CN206644678U - Automotive seat long sliding rail mechanism - Google Patents

Abstract

A kind of automotive seat long sliding rail mechanism, including one the fixation guide rail for being connected with car floor, one is used to be connected with automobile seat frame and by bearing slide fit in the rail plate on fixed guide rail, one is arranged on rail plate, the lockable mechanism that rail plate can be locked in a latched condition on fixed guide rail appropriate location, one group is arranged on rail plate and acts on fixed guide rail, for eliminating between rail plate and fixed guide rail in the anti-backlash mechanism in the gap present in upper and lower and left and right directions, it is arranged on rail plate length direction both ends and is used for dust-proof end cap one for a pair, a pair installed in fixed rail length direction both ends for dust-proof end cap two and the dust excluder being located above fixed rail height direction.Ensure the reliability of locking；Slide rail is unlikely to deform, and locking intensity is high；Slide rail is set to ensure small―gap suture in upper and lower and left and right both direction；Have no abnormal sound；Slide rail catch point intensity is high；Slide rail resistance to sliding is small；Good dustproof effect；It is applied widely.

Description

Automotive seat long sliding rail mechanism

Technical field

The utility model belongs to technical field of a vehicle accessory, and in particular to a kind of automotive seat long sliding rail mechanism, it is main suitable For public commercial MPV second, third row, the adjustment of automotive seat lengthwise position can be achieved, and the position after adjustment is entered Row locking.

Background technology

Sliding rail of automobile seat takes on the function for changing seat fore-aft position and locking, and this device is on automotive seat One of device that must match somebody with somebody.At present, the relatively conventional slide rail being applied on automobile seat of in the market, slide rail regulation is met The requirement of length, but there is no more satisfied effect in terms of gap and intensity.Can be by previously disclosed to this Detailed understanding is obtained in state's patent document, such as " a kind of seat disclosed in Chinese invention patent Authorization Notice No. CN102923020B Chair sliding track mechanism ", it is in place of its achievement：Gap is small, noise is light, intensity is high up and down.It is but also sudden and violent in actual use Expose problems with：Structure compared with it is complicated, left and right gap is big, requirement on machining accuracy is high, and when by enormous impact force, slip is led Rail easily deforms.

In view of above-mentioned prior art, it is necessary to reasonably improved the rail structure of existing automotive seat.Therefore, The applicant has made beneficial design, and technical scheme described below is caused under this background.

The content of the invention

Task of the present utility model is to provide for a kind of automotive seat long sliding rail mechanism, and not only locking intensity is high for it, synchronous Property good, no self-locking, up and down and left and right gap it is small, slide uniformity it is good, slip and locking have no abnormal sound, good dustproof effect, Gap is small；And it is simple in construction, it is easy to processing and fabricating, it is applied widely.

What task of the present utility model was performed by, a kind of automotive seat long sliding rail mechanism, it is characterised in that including The one fixation guide rail for being used to be connected with car floor, one are used to be connected with automobile seat frame and by bearing slide fit in fixed guide rail Rail plate, one be arranged on rail plate on, rail plate can be locked to fixed guide rail appropriate location in a latched condition On lockable mechanism, one group be arranged on rail plate on and act on fixed guide rail, for eliminate rail plate with fix lead Between rail the gap present in upper and lower and left and right directions anti-backlash mechanism, be arranged on rail plate length direction both ends a pair It is used to dust-proof end cap two and is located at fixation lead installed in fixed rail length direction both ends for dust-proof end cap one, a pair Dust excluder above rail short transverse.

In a specific embodiment of the present utility model, the section of described fixation guide rail is in the character cut in bas-relief for removing upper bottom Shape and extend along its length, the fixation guide rail includes lower alignment pin, raceway, side wall, lower mounting hole, spacer pin, limited block, end Lid support, upper surface, side and dust excluder support, described lower alignment pin is placed in the lower mounting surface of fixed guide rail, for slide rail Positioning is connected with car floor, the lower mounting hole for being connected with car floor is further opened with lower mounting surface, lower mounting hole Quantity is several, is set in distance, and described raceway has a pair, and a pair of raceways are located at the lower end in fixed rail height direction and edge Length direction extends, and described upper surface equally has a pair and positioned at the upper end in fixed rail height direction, a pair of upper surfaces with A pair of raceways are correspondingly set up and down, and a pair of sides are connected between a pair of raceways and a pair of upper surfaces, a pair of sides are each other It is arranged in parallel face-to-face, in the side away from side, side is bent with side wall, a pair of sidewalls and one respectively inwards for described upper surface Side is set in parallel, multiple locking rounds are arranged at intervals with wherein in a side wall and along its length in a pair of sidewalls, A spacer pin is separately installed with through a pair of sides in the both ends end in the fixed rail length direction, described limited block has A pair, a pair of limited blocks are placed between a pair of sides of the both ends end in fixed rail length direction, in the upper of the limited block The stopper slot for supplying described spacer pin to fix is provided with end face.

In another specific embodiment of the present utility model, the upper surface of described limited block is nonmetallic materials Layer, the section of stopper slot thereon takes the shape of the letter U；Described fixation guide rail forms for roll-in, is provided with its bottom interval multiple anti- Dirt bar support, described dust excluder support are provided with bracket buckle.

In another specific embodiment of the present utility model, described rail plate is including on the first upper rail, second Rail, upper rail hog frame, upper connector, connection rivet and upper alignment pin, the section of the first described upper rail takes the shape of the letter U, on first Middle part on the outside of rail is provided with reinforcement one along whole length direction, in the upper end edge whole length side of the first upper rail short transverse There is the first folding wall to bending inwards, being bent inwards along its length respectively in the both sides of the lower end of the first upper rail short transverse has Two folding walls, the first described upper rail short transverse lower end both side ends respectively along the first outer one length direction to extension Set out one to disappear gap end one, the described gap end one that disappears is relative with the first outer one formed with certain angle, is formed respectively thereon Have and disappear gap end face one up and down and left and right disappears gap end face one, the first described upper rail offers the first slot to make way in nearly centre position； The second described upper rail equally takes the shape of the letter U, and the middle part on the outside of the second upper rail is provided with reinforcement two along whole length direction, The upper end of two upper rail short transverses bends inwards along whole length direction and has the 3rd folding wall, under the second upper rail short transverse The both sides of end bend inwards along its length respectively the 4th folding wall, and the second described upper rail is in the both sides of short transverse lower end End goes out to have one to disappear gap end two along the second outer one length direction is outwards extended respectively, on the outside of the described gap end two and second that disappears Flanging is relative formed with certain angle, is respectively formed with disappears gap end face two up and down and left and right disappears gap end face two thereon, and described the Two upper rails offer the second slot to make way and square hole in nearly centre position, and locked groove is provided with the centre position of the second outer one；Institute The first upper rail and the second described upper rail stated are respectively arranged with the inside of both ends in the centre of short transverse and along its length Upper rail hog frame, described upper rail hog frame are respectively to be fixedly connected with the first upper rail, the second upper rail structure by connection rivet； 3rd folding wall institute's enclosure of the first folding wall of first upper rail and the second upper rail into cavity volume both ends be installed with one and connected respectively Fitting, the upper connecting hole for being fixed with seat frame is offered on described upper connector；The upper end of the rail plate, is provided with One is used to be connected the upper alignment pin positioned with seat frame.

In another specific embodiment of the present utility model, the second folding wall of the first described upper rail lower end both sides with It is fixedly connected between 4th folding wall of the second described upper rail lower end both sides by welding manner, the first described upper rail upper end two Welding side is used between the 3rd folding wall and upper connector three of first folding wall of side and the second described upper rail upper end both sides Formula is fixedly connected；What is formed on the pair of gap end one that disappears upper and lower disappears gap end face one and the left and right gap end face one and one that disappears offsets gap What is formed on end two upper and lower disappears gap end face two and left and right disappears gap end face two so that rail plate forms two groups and is in the longitudinal direction The inclined-plane of both ends high, middle low, it is in toed-out type inclined-plane to form two groups in the direction of the width.

In an of the present utility model and then specific embodiment, described lockable mechanism includes lock claw, fixed support First, fixed support two and torsion spring, described lock claw the bottom fold of short transverse have multiple lock teeth equally set, in Portion is formed with the gap solution locking face that disappears, and in the both sides for the gap solution locking face that disappears and with lock, tooth is equidirectional is bent with a doubling ear, in the doubling ear It is upper to offer the first connecting hole and the second connecting hole respectively, it is bent with spring to lock flank in the nearly middle position for the gap solution locking face that disappears Hook groove；One bending part of described fixed support one is convexly equipped with that the first connection is convex to inner side, distinguishes in the both sides of fixed support one Offer the first fixing hole；It is convex that one bending part of described fixed support two to inner side is convexly equipped with the second connection, in fixed support Two both sides offer the second fixing hole respectively, and spring is offered on the upper surface of the fixed support two and hooks hole, described first connects Connect hole and be connected convex phase scarf with first, the second connecting hole is connected convex phase scarf with second；Described torsion spring is arranged in lock claw, fixation Between support one and fixed support two, the first spring of the one end, which hooks, is placed in that spring is hooked in groove, the second spring of the other end is hooked and is placed in Spring is hooked in hole.

Of the present utility model more and in a specific embodiment, described anti-backlash mechanism is placed in the interior of rail plate Portion, and be fixedly arranged in by fixing axle together with lockable mechanism on rail plate, the anti-backlash mechanism includes disappear gap block, contiguous block and drawing Spring, the described gap block that disappears have two, are respectively symmetrically sheathed on the both ends of rail plate, and the one end in the gap that disappears block length direction is right respectively Claim ground provided with two disappear lyriform pore, disappear on two gap face and both sides Xiao Xi faces, the other end in the gap that disappears block length direction offers the appearance of a U-shaped Groove, is convexly equipped with that a connection is convex on the side side of the tank, and the top of the lyriform pore that disappears is formed with upper contact surface；Described company Connecing block has a pair, and the lower end of contiguous block is provided with the connecting hole with being connected convex phase scarf, and the upper end of contiguous block is provided with extension spring hole, described Contiguous block is inwardly extended blocked ear；Described extension spring both ends hook with a pair of extension springs, and a pair of extension springs hook and are connected to a pair of companies Connect in the extension spring hole of block upper end.

It is of the present utility model and and then a specific embodiment in, two gap block slide fits that disappear on rail plate, and It is driven to be moved in slide rail length direction by a pair of contiguous blocks, when slide rail be in lockup state, the gap that disappears block and rail plate, Formed with contact surface a1, contact surface a2, contact surface b1 and contact surface b2 between fixed guide rail, eliminate rail plate and led with fixation Rail is in the gap present in upper and lower and left and right directions；When slide rail is in released state, the gap that disappears block and rail plate, fixed guide rail Do not contact, form enough gaps.

Of the present utility model and more and in a specific embodiment, described side Xiao Xi faces are curved.

Described bearing has two groups more and then in a specific embodiment of the present utility model, and it is respectively rotationally It is arranged on the bearing pin that rail plate front and rear sides bottom is installed with.

After the utility model uses said structure, one of have the advantage that, due to passing sequentially through square hole, lock during lock tooth locking Determine round and locked groove, meanwhile, torsion spring keeps contacting with lock claw all the time, and this lock mode can ensure to lock dynamic balance, it is ensured that The reliability of locking, when slide rail is by impulsive force, lock tooth is not easy to jump out lockhole；Advantage two, have due to rail plate One upper rail and the second upper rail composition, and many places are provided with reinforcement and folding wall, while first, second upper rail is above and below short transverse End is fixedly connected using welding manner, is respectively arranged with the inside of both ends in the centre of short transverse and along its length Rail hog frame, therefore, when slide rail lockup state is by impulsive force, slide rail is unlikely to deform, and locking intensity is high；Advantage three, by Anti-backlash mechanism is provided with slide rail, and disappearing with the gap function that disappears and disappears gap end when slide rail is in lockup state at gap block, upper and lower And left and right both direction realizes that matching forms contact surface, slide rail is set to ensure small―gap suture in upper and lower and left and right both direction；Advantage Four, when slide rail is in released state, disengaging is realized at the gap that disappears block and the gap end that disappears in the presence of contiguous block, ensures that slide rail only has Two groups of bearings roll in the plane that raceway is formed, it is ensured that the balance and resistance to sliding that slide rail slides are small, and sliding process In there is no abnormal sound；Advantage five, realized using spacer pin due to the spacing of slide rail, therefore slide rail catch point intensity is high；Advantage it 6th, because limited block end is nonmetallic setting, therefore when slide rail is most preceding and last spacing state, slide rail does not have abnormal sound； Advantage seven, due to slide rail unblock and locking during, the blocked ear of anti-backlash mechanism and the gap solution locking face that disappears of lockable mechanism are located always In contact condition, i.e. slide rail while locking, anti-backlash mechanism synchronization onwards disappear gap effect, slide rail unblock while, between disappearing Gap function synchronously disappears, and slide rail slip is smooth, and resistance to sliding is small；Advantage eight, be provided with due to fixed guide upper dust excluder, End cap two, therefore guide rail interior is in closed state, preferably plays dust-proof effect, meanwhile, rail plate is provided with end cap one, It can ensure that dust excluder is not easy to damage under conditions of fatigue；The nine of advantage, the slide rail locking mode are inner side locking, are made Enough installing spaces are arranged at slide rail bottom, applied widely, and the connection between any seat can be achieved.

Brief description of the drawings

Fig. 1 is the three-dimensional exploded view of the embodiment of the utility model one.

Fig. 2 is part-structure three-dimensional exploded view of Fig. 1 embodiments in lockup state.

Fig. 3 is part-structure three-dimensional exploded view of Fig. 1 embodiments in released state.

Fig. 4 is the partial view of fixed guide rail described in the utility model.

Fig. 5 is the stereogram of lockable mechanism described in the utility model.

Fig. 6 is the three-dimensional exploded view of lockable mechanism described in the utility model.

Fig. 7 is fore-and-aft plane sectional view of Fig. 1 embodiments in lockup state.

Fig. 8 is fore-and-aft plane sectional view of Fig. 1 embodiments in released state.

Fig. 9 is the three-dimensional exploded view of anti-backlash mechanism described in the utility model.

Figure 10 is fore-and-aft plane sectional view of Fig. 1 embodiments in the gap state that disappears.

Figure 11 is fore-and-aft plane sectional view of Fig. 1 embodiments in gap state.

Figure 12 is transverse plane sectional view of Fig. 1 embodiments in the gap state that disappears.

Figure 13 is transverse plane sectional view of Fig. 1 embodiments in gap state.

Figure 14 is the connection diagram applied to a pair of automotive seat long tracks on automotive seat.

In figure：1. fix guide rail, 10. time alignment pins, 11. raceways, 12. side walls, 121. lock rounds, 13. times mounting holes, 14. spacer pin, 15. limited blocks, 151. stopper slots, 16. end cover brackets, 17. upper surfaces, 18. sides, 19. dust excluder supports, 191. bracket buckle；2. rail plate, 21. first upper rails, 211. reinforcements one, 212. first folding walls, 213. disappear gap end one, About the 2131. gap end faces one, 2132. or so that disappear disappear gap end face one, 214. second folding walls, 215. first slots to make way, 216, first Outer one, 22. second upper rails, 221. reinforcements two, 222. the 3rd folding walls, the 223. gap ends two, about 2231. that disappear disappear gap end Face two, 2232. or so disappears the folding wall of gap end face two, 224. the 4th, 225. second slots to make way, 226. locked grooves, 227. square holes, 228. Two outer ones, 23. upper rail hog frames, 24. upper connectors, connecting hole on 241., 25. connection rivets, alignment pin on 26.；3. Lockable mechanism, 31. lock claw, 311. lock teeth, 312. first connecting holes, 313. second connecting holes, 314. springs hook groove, 315. disappeared gap solution Locking face, convex, 322. first fixing holes of 32. fixed supports one, 321. first connection, the connection of 33 fixed supports two, 331. second be convex, 332. second fixing holes, 333. springs hook hole, 34. torsion springs, 341. first springs hook, 342. second springs hook, 35. fixing axles；4. bearing； 5. anti-backlash mechanism, 51. disappear gap block, the gap face that disappears on 511., 512. side Xiao Xi faces, 513. disappear lyriform pore, contact surface, 514. on 5131. Tank, 515. connect convex, 52. contiguous blocks, 521. connecting holes, 522. extension spring holes, 523. blocked ears, 53. extension springs, 531. extension springs hook； 6. unlocking mechanism；7. end cap one；8. end cap two；9. dust excluder.

Embodiment

Applicant will elaborate by way of examples below, but the description to embodiment is not to this reality It is any according to only formal rather than substantial made by the utility model design with the limitation of new technique scheme Equivalent transformation is regarded as the technical solution of the utility model category.

The concept of the every directionality for being related to upper, lower, left, right, front and rear or directionality is all in the following description On the basis of the position shown in Fig. 1, thus the special limit to technical scheme provided by the utility model can not be understood as It is fixed.

It refer to Fig. 1, Fig. 2, Fig. 3 and combine Fig. 4 to Figure 14, the utility model is related to a kind of automotive seat long track machine Structure, including one be used for the fixation guide rail 1, one that be connected with car floor for be connected with automobile seat frame and by the slide fit of bearing 4 in Rail plate 2, one on fixed guide rail 1 is arranged on rail plate 2, in a latched condition can be locked at rail plate 2 solid 3, one groups of the lockable mechanism determined on the appropriate location of guide rail 1 is arranged on rail plate 2 and acted on fixed guide rail 1, for disappearing Except the anti-backlash mechanism 5 between rail plate 2 and fixed guide rail 1 in the gap present in upper and lower and left and right directions, it is arranged on for a pair The use for being used for dust-proof end cap 1, being arranged on the fixed length direction both ends of guide rail 1 for a pair at the length direction both ends of rail plate 2 In dust-proof end cap 28 and the dust excluder 9 being located above the fixed short transverse of guide rail 1.

Further, the section of described fixation guide rail 1 is in remove the concave shape at upper bottom and extend along its length, and this is solid Determine guide rail 1 include lower alignment pin 10, raceway 11, side wall 12, lower mounting hole 13, spacer pin 14, limited block 15, end cover bracket 16, Upper surface 17, side 18 and dust excluder support 19.Described lower alignment pin 10 is placed in the lower mounting surface of fixed guide rail 1, for sliding Rail is connected positioning with car floor, and the lower mounting hole 13 for being connected with car floor, lower installation are further opened with lower mounting surface The quantity in hole 13 is several, is set in distance.Described raceway 11 has a pair, and a pair of raceways 11 are located at the fixed height side of guide rail 1 To lower end and extend along its length, described upper surface 17 equally has a pair and positioned at the upper of the fixed short transverse of guide rail 1 End, a pair of upper surfaces 17 are correspondingly set up and down with a pair of raceways 11, connected between a pair of raceways 11 and a pair of upper surfaces 17 There are a pair of sides 18, a pair of sides 18 face each other and be arranged in parallel, and described upper surface 17 is in the side point away from side 18 Not inside side is bent with side wall 12, and a pair of sidewalls 12 is set in parallel with a pair of sides 18, in a wherein side wall of a pair of sidewalls Multiple locking rounds 121 are arranged at intervals with 12 and along its length, the hole shape of the locking round 121 is unrestricted, It is preferably rectangular in the present embodiment, pacify respectively through a pair of sides 18 in the both ends end of the fixed length direction of guide rail 1 Equipped with a spacer pin 14, described limited block 15 has a pair, and a pair of limited blocks 15 are placed in the both ends end of the fixed length direction of guide rail 1 Between a pair of sides 18 in portion, the limit for supplying described spacer pin 14 to fix is provided with the upper surface of the limited block 15 Position groove 151.The upper surface of described limited block 15 in the present embodiment be preferably the non-metallic material bed of material, stopper slot 151 thereon Section take the shape of the letter U；Described fixation guide rail 1 is provided with multiple dust excluder supports 19, described dust excluder support in bottom interval 19 are provided with bracket buckle 191, and described bracket buckle 191 is used to fix dust excluder 9.Described fixation guide rail 1 forms for roll-in, While ensureing dimensional accuracy, length could be arranged to the regulation stroke length of long enough, i.e. slide rail.

Further, described rail plate 2 includes the first upper rail 21, the second upper rail 22, upper rail hog frame 23, upper connection Part 24, connection rivet 25 and upper alignment pin 26, the section of the first described upper rail 21 take the shape of the letter U, in the outside of the first upper rail 21 Portion is provided with reinforcement 1 along whole length direction, the upper end edge whole length direction of the short transverse of the first upper rail 21 to Inner bending has the first folding wall 212, and being bent inwards along its length respectively in the both sides of the lower end of the short transverse of the first upper rail 21 has Second folding wall 214, the first described upper rail 21 short transverse lower end both side ends respectively along the length of the first outer one 216 Direction is outwards extended to be gone out to have one to disappear gap end 1, and the described outer one 216 of gap end one 213 and first that disappears is with respect to formed with one Determine angle, be respectively formed with disappear gap end face 1 up and down and left and right disappears gap end face 1, the first described upper rail 21 thereon The first slot to make way 215 is offered in nearly centre position；The second described upper rail 22 equally takes the shape of the letter U, in the outside of the second upper rail 22 Middle part is provided with reinforcement 2 221 along whole length direction, in the upper end of the short transverse of the second upper rail 22 along whole length side There is the 3rd folding wall 222 to bending inwards, it is inside along its length respectively in the both sides of the bottom of the short transverse of the second upper rail 22 Be bent with the 4th folding wall 224, the second described upper rail 22 short transverse lower end both side ends respectively along the second outer one 228 length directions are outwards extended to be gone out to have one to disappear gap end 2 223, and the described outer one 228 of gap end 2 223 and second that disappears is with respect to shape Into there is certain angle, it is respectively formed with disappears gap end face 2 2231 up and down and left and right disappears gap end face 2 2232 thereon, described second Upper rail 22 offers the second slot to make way 225 and square hole 227 in nearly centre position, is installed in the interposition of the second outer one 228 There is locked groove 226；Described first upper rail 21 and the second described upper rail 22 in the centre of short transverse and along its length two End inner side is respectively arranged with upper rail hog frame 23, described upper rail hog frame 23 by connection rivet 25 respectively with the first upper rail 21st, the structure of the second upper rail 22 is to be fixedly connected；In the first folding wall 212 of first upper rail 21 and the 3rd folding wall of the second upper rail 22 222 enclosures into cavity volume both ends be installed with a upper connector 24 respectively, offered on described upper connector 24 for and seat The upper connecting hole 241 that frame is fixed；The upper end of the rail plate 2, it is used to be connected the upper alignment pin positioned with seat frame provided with one 26。

Further, the second folding wall 214 of the described lower end both sides of the first upper rail 21 and the described lower end of the second upper rail 22 It is fixedly connected between 4th folding wall 224 of both sides by welding manner, the first folding wall of the described upper end both sides of the first upper rail 21 Welding manner is used between 212 and the 3rd folding wall 222 of the described upper end both sides of the second upper rail 22 and the three of upper connector 24 It is fixedly connected；Formed on the pair of gap end 1 that disappears it is upper and lower disappear gap end face 1 and left and right disappear gap end face 1 with And one offset that formed on gap end 2 223 upper and lower disappears gap end face 2 2231 and left and right disappears gap end face 2 2232 so that rail plate 2 Two groups of inclined-planes in both ends high, middle low are formed in the longitudinal direction, and it is in toed-out type inclined-plane to form two groups in the direction of the width.

Further, described lockable mechanism 3 includes lock claw 31, fixed support 1, fixed support 2 33 and torsion spring 34, First slot to make way 215 of the first described upper rail 21 is corresponding with the second slot to make way 225 in the second upper rail 22, the lock claw 31 Be placed in one motion, and the lock claw 31 has multiple lock teeth 311 equally set, middle part to be formed in the bottom fold of short transverse Have a gap solution locking face 315 that disappears, described lock tooth 311 be used to coordinate with foregoing square hole 227, locked groove 226 and locking round 121 and incite somebody to action Rail plate 2 is locked on fixed guide rail 1, both sides of the gap solution locking face 315 that disappears and tooth 311 is equidirectional is bent with a pair with lock Roll over ear, offer the first connecting hole 312 and the second connecting hole 313 respectively on the doubling ear, the gap solution locking face 315 that disappears it is near in Between opening position be bent with spring to lock tooth 311 side and hook groove 314；One bending part of described fixed support 1 is convexly equipped with to inner side One connection convex 321, the first fixing hole 322 is offered in the both sides of fixed support 1 respectively；Described fixed support 2 33 One bending part is convexly equipped with the second connection convex 331 to inner side, and the second fixing hole is offered respectively in the both sides of fixed support 2 33 332, spring is offered on the upper surface of the fixed support 2 33 and hooks hole 333, first connecting hole 312 is connected convex with first 321 phase scarves, the second connecting hole 313 are connected convex 331 phase scarf with second；Described torsion spring 34 is arranged in lock claw 31, fixed branch Between frame 1 and fixed support 2 33, the first spring of the one end of torsion spring 34 hook 341 be placed in spring hook in groove 314, the of the other end Two springs hook 342 and are placed in spring hook hole 333.

Further, described bearing 4 has two groups, and it is rotationally arranged the front and rear sides bottom of rail plate 2 and consolidated respectively On the bearing pin put, bearing 4 is set relative to rail plate 2 in rolling, and the lower surface of two groups of bearings 4 is in same plane On.

Further, described anti-backlash mechanism 5 is placed in the inside of rail plate 2, and passes through fixing axle 35 and lockable mechanism 3 It is fixedly arranged in together on rail plate 2, the anti-backlash mechanism 5 includes disappear gap block 51, contiguous block 52 and extension spring 53, the described gap block 51 that disappears There are two, be nonmetal parts, be respectively symmetrically sheathed on the both ends of rail plate 2, one end of the length direction of the gap that disappears block 51 is right respectively Ground is claimed to disappear gap face 511 and the both sides Xiao Xi faces 512 of disappearing on lyriform pore 513, two provided with two, two lyriform pores 513 that disappear gap end 1 and disappear with disappearing Gap end 2 223 matches, that is, the gap that disappears end 1, the gap that disappears end 2 223 are respectively placed in two and disappeared in lyriform pore 513, and both structures is slide Coordinate, the top of the lyriform pore 513 that disappears formed with respectively with gap end face 1 and the upper and lower phase of gap end face 2 2231 that disappears of disappearing up and down The upper contact surface 5131 of matching；The other end of the length direction of the gap that disappears block 51 offers the tank 514 of a U-shaped, the tank 514 A connection convex 515 is convexly equipped with the side of side；Described contiguous block 52 has a pair, the lower end of contiguous block 52 be provided be connected it is convex The connecting hole 521 of 515 phase scarves, the upper end of contiguous block 52 are provided with extension spring hole 522, and the contiguous block 52 is inwardly extended blocked ear 523, described blocked ear 523 is used to coordinate with the described gap solution locking face 315 that disappears；The described both ends of extension spring 53 hook with a pair of extension springs 531, a pair of extension springs hook 531 and are connected in the extension spring hole 522 of a pair of upper ends of contiguous block 52；Described fixing axle 35 is led to successively It is solid to cross hole, the first fixing hole 322 on fixed support 1, second on fixed support 2 33 that the interposition of contiguous block 52 installs Lockable mechanism 3, anti-backlash mechanism 5 are fixed on rail plate 2 after determining hole 332.

Further, described two slide fits of gap block 51 that disappear drive it on rail plate 2, and by a pair of contiguous blocks 52 Moved in slide rail length direction.When slide rail is in lockup state, formed between the gap that disappears block 51 and rail plate 2, fixed guide rail 1 There are contact surface a1, contact surface a2, contact surface b1 and contact surface b2, eliminate rail plate 2 with fixed guide rail 1 in upper and lower and left and right Gap present in direction；When slide rail is in released state, the gap that disappears block 51 does not contact with rail plate 2, fixed guide rail 1, Form enough gaps.

Please continue to refer to Fig. 1 to Figure 14, operation principle of the present utility model is described：According to general knowledge, automotive seat need by A pair of automotive seat long tracks shown in Figure 14, are connected by unlocking mechanism 6 between the two, and generally described automotive seat seat frame is used Connecting bolt is connected with the upper connecting hole 241 of the both sides of rail plate 2, and described car floor connection connecting bolt is led with fixation The lower mounting hole 13 of rail 1 connects.Under normal circumstances, when the front and back position of seat to be made is fitted when change, then to unlocking mechanism 6 Apply active force upwards, because unlocking mechanism 6 is connected with the lock claw 31 of lockable mechanism 3, the lock claw 31 of the lockable mechanism 3 is transmitted Downward active force, described lock claw 31 are rotated with the first connection convex 321 and the second connection convex 331 for fulcrum, herein During torsion spring 34 driven by lock claw 31, it is in stress to make torsion spring 34, at the same lock tooth 311 because of the rotation of lock claw 31 and successively Spun off from locked groove 226, locking round 121, square hole 227, slide rail is in released state, now can be to the anteroposterior position of slide rail Put and be adjusted；Because lockable mechanism 3 and anti-backlash mechanism 5 are placed on rail plate 2 by fixing axle 35, and blocked ear 523 and the gap that disappears Solution locking face 315 is constantly in contact condition in the presence of extension spring 53, when applying downward active force to lock claw 31, the gap that disappears solution Locking face 315 transmits a upward power to blocked ear 523, extension spring 53 be in stress, and contiguous block 52 will disappear gap block 51 to slide rail length Middle the direction drawing in direction is spent, produces gap between the gap that now disappears end 1, the gap that disappears end 2 223 and the lyriform pore 513 that disappears, slide rail can be with Have no sliding back and forth for interference.Once seat fore-aft position regulation finishes, the active force being applied to when release in unlocking mechanism 6 When, then the down force pop-off on lockable mechanism 3, now the restoring force of the torsion spring 34 make lock claw 31 start to make with first The rotary motion of preceding opposite direction, lock tooth 311 is set to be locked into again in square hole 227, locking round 121 and locked groove 226, slide rail becomes Previous released state is lockup state, and now slide rail is in complete lockup state, and slide rail is while locking, with locking machine The disappearance of external force added by structure 3, the external force suffered by anti-backlash mechanism 5 disappear simultaneously, 53 previous stored energy of extension spring release, by contiguous block 52 drive the both ends of disappear gap block 51 to slide rail length direction to slide, now because the gap end 1 that disappears, the gap that disappears end 2 223 are with disappearing Lyriform pore 513 contacts, and make to disappear between gap block 51 and fixed guide rail 1 produces contact surface a1, a2 in above-below direction, is produced in left and right directions Raw contact surface b1, b2, ensure during slide rail locking in the gap state that disappears.

Claims (10)

1. A kind of 1. automotive seat long sliding rail mechanism, it is characterised in that including one be used for be connected with car floor fixation guide rail (1), One is used to be connected with automobile seat frame and is arranged on cunning in the rail plate (2) on fixed guide rail (1), one by bearing (4) slide fit Move on guide rail (2), the lockable mechanism that rail plate (2) can be locked in a latched condition on fixed guide rail (1) appropriate location (3), one group is arranged on rail plate (2) and acts on fixed guide rail (1), is led for eliminating rail plate (2) with fixation Between rail (1) the gap present in upper and lower and left and right directions anti-backlash mechanism (5), be arranged on rail plate (2) length a pair Direction both ends are used for dust-proof end cap one (7), are used for dust-proof end installed in fixed guide rail (1) length direction both ends a pair Lid two (8) and the dust excluder (9) being located above fixed guide rail (1) short transverse.
2. 2. automotive seat long sliding rail mechanism according to claim 1, it is characterised in that the section of described fixation guide rail (1) Extend in the concave shape for removing upper bottom and along its length, the fixation guide rail (1) includes lower alignment pin (10), raceway (11), side Wall (12), lower mounting hole (13), spacer pin (14), limited block (15), end cover bracket (16), upper surface (17), side (18) and Dust excluder support (19), described lower alignment pin (10) is placed in the lower mounting surface of fixed guide rail (1), for slide rail and car floor Connection is positioned, and the lower mounting hole (13) for being connected with car floor, the number of lower mounting hole (13) are further opened with lower mounting surface Measure to be several, be set in distance, described raceway (11) has a pair, and a pair of raceways (11) are located at fixed guide rail (1) short transverse Lower end and extend along its length, described upper surface (17) equally have a pair and positioned at fixed guide rail (1) short transverses Upper end, a pair of upper surfaces (17) are correspondingly set up and down with a pair of raceways (11), in a pair of raceways (11) and a pair of upper surfaces (17) a pair of sides (18) are connected between, a pair of sides (18) face each other and be arranged in parallel, and described upper surface (17) exist Side is bent with side wall (12) respectively inwards for side away from side (18), and a pair of sidewalls (12) is set with a pair of sides (18) in parallel Put, multiple locking rounds (121) are arranged at intervals with a wherein side wall (12) of a pair of sidewalls and along its length, described The both ends end of fixed guide rail (1) length direction is separately installed with a spacer pin (14), described limit through a pair of sides (18) Position block (15) has a pair, and a pair of limited blocks (15) are placed in a pair of sides (18) of the both ends end of fixed guide rail (1) length direction Between, the stopper slot (151) for supplying described spacer pin (14) to fix is provided with the upper surface of the limited block (15).
3. 3. automotive seat long sliding rail mechanism according to claim 2, it is characterised in that the upper end of described limited block (15) Face is the non-metallic material bed of material, and the section of stopper slot (151) thereon takes the shape of the letter U；Described fixation guide rail (1) forms for roll-in, Its bottom interval is provided with multiple dust excluder supports (19), and described dust excluder support (19) is provided with bracket buckle (191).
4. 4. automotive seat long sliding rail mechanism according to claim 1, it is characterised in that described rail plate (2) includes the One upper rail (21), the second upper rail (22), upper rail hog frame (23), upper connector (24), connection rivet (25) and upper alignment pin (26), the section of described the first upper rail (21) is taken the shape of the letter U, and the middle part on the outside of the first upper rail (21) is set along whole length direction There is reinforcement one (211), being bent inwards in the upper end edge whole length direction of the first upper rail (21) short transverse has the first folding wall (212), being bent inwards along its length respectively in the both sides of the lower end of the first upper rail (21) short transverse has the second folding wall (214), described the first upper rail (21) in the both side ends of short transverse lower end respectively along the first outer one (216) length side Go out to there is one to disappear gap end one (213) to outwards extended, the described gap end one (213) that disappears is relative with the first outer one (216) to be formed Have certain angle, be respectively formed with thereon disappear up and down gap end face one (2131) and or so disappear gap end face one (2132), described the One upper rail (21) offers the first slot to make way (215) in nearly centre position；Described the second upper rail (22) equally takes the shape of the letter U, Middle part on the outside of two upper rails (22) is provided with reinforcement two (221) along whole length direction, in the second upper rail (22) short transverse Upper end bent inwards along whole length direction and have the 3rd folding wall (222), in the bottom of the second upper rail (22) short transverse Both sides bend inwards along its length have the 4th folding wall (224) respectively, described the second upper rail (22) is in short transverse lower end Both side ends go out to there is one to disappear gap end two (223) along the second outer one (228) length direction is outwards extended respectively, described disappears Gap end two (223) is relative formed with certain angle with the second outer one (228), is respectively formed with the gap end face two that disappears up and down thereon (2231) disappear gap end face two (2232) with left and right, described the second upper rail (22) offers the second slot to make way in nearly centre position (225) and square hole (227), it is provided with locked groove (226) in the centre position of the second outer one (228)；The first described upper rail (21) with being respectively arranged with upper rail on the inside of described the second upper rail (22) both ends in the centre of short transverse and along its length Hog frame (23), described upper rail hog frame (23) by connection rivet (25) respectively with the first upper rail (21), the second upper rail (22) structure is to be fixedly connected；In the 3rd folding wall of the first folding wall (212) and the second upper rail (22) of first upper rail (21) (222) institute's enclosure into cavity volume both ends be installed with a upper connector (24) respectively, described upper connector offers use on (24) In the upper connecting hole (241) fixed with seat frame；The upper end of the rail plate (2), it is used to be connected positioning with seat frame provided with one Upper alignment pin (26).
5. 5. automotive seat long sliding rail mechanism according to claim 4, it is characterised in that described the first upper rail (21) lower end Pass through welding side between the second folding wall (214) of both sides and the 4th folding wall (224) of described the second upper rail (22) lower end both sides Formula is fixedly connected, first folding wall (212) of described the first upper rail (21) upper end both sides and described the second upper rail (22) upper end It is fixedly connected between 3rd folding wall (222) of both sides and upper connector (24) three using welding manner；The pair of gap that disappears Formed on one (213) of end it is upper and lower disappear gap end face one (2131) and or so disappear and gap end face one (2132) and one offset gap end two (223) what is formed on upper and lower disappears gap end face two (2231) and left and right disappears gap end face two (2232) so that rail plate (2) is in length Side is upwardly formed two groups of inclined-planes in both ends high, middle low, and it is in toed-out type inclined-plane to form two groups in the direction of the width.
6. 6. automotive seat long sliding rail mechanism according to claim 1, it is characterised in that described lockable mechanism (3) includes lock Pawl (31), fixed support one (32), fixed support two (33) and torsion spring (34), described lock claw (31) is in the bottom of short transverse Multiple lock teeth (311) equally set, middle part are bent with formed with the gap solution locking face (315) that disappears, in the gap solution locking face (315) that disappears Both sides and with lock tooth (311) it is equidirectional be bent with a doubling ear, offer the first connecting hole (312) respectively on the doubling ear With the second connecting hole (313), it is bent with spring to lock tooth (311) side in the nearly middle position for the gap solution locking face (315) that disappears and hooks groove (314)；It is convex (321) that one bending part of described fixed support one (32) to inner side is convexly equipped with the first connection, in fixed support one (32) both sides offer the first fixing hole (322) respectively；One bending part of described fixed support two (33) is to inner side projection There is the second connection convex (331), offer the second fixing hole (332), the fixed branch respectively in the both sides of fixed support two (33) Spring is offered on the upper surface of frame two (33) and hooks hole (333), it is mutually embedding that first connecting hole (312) with first is connected convex (321) Match somebody with somebody, the second connecting hole (313) is connected convex (331) phase scarf with second；Described torsion spring (34) is arranged in lock claw (31), fixed branch Between frame one (32) and fixed support two (33), the first spring of torsion spring (34) one end hook (341) be placed in spring hook in groove (314), Second spring of the other end hooks (342) and is placed in spring hook hole (333).
7. 7. automotive seat long sliding rail mechanism according to claim 1, it is characterised in that described anti-backlash mechanism (5) is placed in cunning The inside of dynamic guide rail (2), and be fixedly arranged in by fixing axle (35) together with lockable mechanism (3) on rail plate (2), the gap machine that disappears Structure (5) includes disappear gap block (51), contiguous block (52) and extension spring (53), and the described gap block (51) that disappears has two, is respectively symmetrically arranged In the both ends of rail plate (2), one end of the gap that disappears block (51) length direction respectively symmetrically provided with two disappear lyriform pore (513), on two The gap that disappears face (511) and both sides Xiao Xi faces (512), the other end of the gap that disappears block (51) length direction offer the tank of a U-shaped (514), it is convexly equipped with that a connection is convex (515) on the side side of the tank (514), the top of the lyriform pore that disappears (513) is formed There is upper contact surface (5131)；Described contiguous block (52) has a pair, and the lower end of contiguous block (52) is provided with and to be connected convex (515) mutually embedding The connecting hole (521) matched somebody with somebody, the upper end of contiguous block (52) are provided with extension spring hole (522), and the contiguous block (52) is inwardly extended blocked ear (523)；There is a pair of extension springs to hook (531) at described extension spring (53) both ends, and a pair of extension springs hook (531) and are connected to a pair of connections In the extension spring hole (522) of block (52) upper end.
8. 8. automotive seat long sliding rail mechanism according to claim 7, it is characterised in that two gap block (51) slide fits that disappear are in cunning On dynamic guide rail (2), and it is driven to be moved in slide rail length direction by a pair of contiguous blocks (52), when slide rail is in lockup state When, between the gap that disappears block (51) and rail plate (2), fixed guide rail (1) formed with contact surface a1, contact surface a2, contact surface b1 and Contact surface b2, rail plate (2) is eliminated with fixed guide rail (1) in the gap present in upper and lower and left and right directions；At slide rail When released state, the gap that disappears block (51) does not contact with rail plate (2), fixed guide rail (1), forms enough gaps.
9. 9. automotive seat long sliding rail mechanism according to claim 7, it is characterised in that described side Xiao Xi faces (512) are in arc Shape.
10. 10. automotive seat long sliding rail mechanism according to claim 1, it is characterised in that described bearing (4) has two groups, its Rotationally it is arranged respectively on the bearing pin that rail plate (2) front and rear sides bottom is installed with.