CN206186834U - Long sliding rail used for automobile seat - Google Patents

Abstract

The utility model provides a long sliding rail used for automobile seat, includes upper and lower guide rail, locking mechanism, the crack piece that disappears and go up the rail and seal and the dust excluder, the lower guideway including raceway down, go up plane, locking round, installation face and spacer pin down, go up the guide rail and include rail on first, the second, establish on the first inboard hem of going up the rail and establish the locked groove on square hole and last installation face, the outside hem, the primary shaft is consigned and the crack support no. 1 that disappears, have the secondary shaft to consign and disappear crack support no. 2 on having incision, outside hem on the inboard hem of rail on the second, locking mechanism is including lock claw, pivot and spring, the bearing housing is located on first, secondary shaft consigns, the crack piece that disappears is installed on the crack support, two of disappearing, upward the rail seals the cover and establishes the both ends at last guide rail length direction, the upper surface at the lower guideway is fixed to the dust excluder. Locking intensity height, good, the no auto -lock of synchronism, clearance are little, good, the no abnormal sound of slip uniformity, dustproof effectual, adjust that the stride is little, to adjust the stroke long, simple structure, small, handling ease is makeed, application scope is wide.

Description

For the long track of automotive seat

Technical field

The utility model belongs to vehicle body fittingses technical field, and in particular to a kind of long track for automotive seat, mainly Arranged suitable for commercial vehicle, for the lengthwise position adjustment to automotive seat, and to the position locking after adjustment.

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 slide rail being applied on automobile seat that in the market is relatively conventional, the overwhelming majority is applied to In kart, because its length is shorter, thus cannot be used on commercial vehicle, if simply simple add original slide rail Long, then intensity aspect cannot obtain satisfied effect.In order to adapt to the demand in market, long track knot is also disclosed in prior art Structure, the one kind " long slide rail system of car seat " as involved by Chinese utility model patent Authorization Notice No. CN201792762U, It mainly has three big parts to constitute, i.e. upper rail, lower guideway and lockable mechanism, by the way of it is using bottom locking, sliding type Worked simultaneously using bearing and roller.It is in place of the achievement of the art solutions：Frictional resistance is small, and sliding is good.But Problems with is exposed in actual use：Structure is small compared with the complicated, scope of application, high to slide rail bottom requirements of installation space, Rock gap big, there is abnormal sound in adjustment, and slide rail peeling strength is poor.

In view of above-mentioned prior art, it is necessary to which the slide rail to existing automotive seat is reasonably improved.Therefore, this Shen Ask someone to have made beneficial design, technical scheme described below is produced under this background.

The content of the invention

Task of the present utility model is to provide for a kind of long track for automotive seat, it not only locking intensity it is high, same Step property is good, without self-locking, gap it is small, slide that uniformity is good, slide and locking has no abnormal sound, good dustproof effect, regulation step pitch is small, adjust Section stroke is long；Simple structure, small volume, is easy to processing and fabricating, slide rail itself to be not take up bottom space simultaneously, applied widely.

What task of the present utility model was performed by, a kind of long track for automotive seat, it is characterised in that bag Including one is used for the lower guideway, one that are connected with car floor for being connected with automobile seat frame and by bearing slide fit on lower guideway Upper rail, one are used to lock the lockable mechanism of upper rail, one group of gap block and for dust-proof of disappearing for being used to eliminate slide rail gap Upper rail is sealed and dust excluder, and the section of described lower guideway is in concave shape and extends along its length, and the lower guideway includes lower rolling Road, upper plane, locking round, lower mounting surface and spacer pin, described lower raceway and upper plane respectively have a pair and symmetrical set Put, plane is located at the top of a pair of sidewalls of lower guideway in one pair of which, a pair lower raceways are located at the bottom of lower guideway a pair of sidewalls Portion, described lower mounting surface is connected between a pair lower raceways, and its section is concave, is spaced along its length on lower mounting surface Mounting hole under opening up one group, interval opens up multiple locks along its length on the wherein side wall of a pair of sidewalls of the lower guideway Determine round, a spacer pin is separately installed between the two ends end of the length direction of a pair of sidewalls of the lower guideway, it is described Spacer pin extend transversely through whole cross section in lower guideway；Described upper rail includes the first upper rail and the second upper rail, described The section of the first upper rail takes the shape of the letter U, and is spaced on the inner fold of the first upper rail and on the length direction of nearly medium position and offers Multiple square holes, offer the lock that quantity matches with square hole on the outer one of the first upper rail and on position corresponding with square hole Groove, convex is provided with a first axle respectively at the two ends close end position of the length direction of the outer one of first upper rail Consign, one has been respectively constituted on the outer one between described locked groove and a pair of first axles are consigned and has been disappeared gap support one, in institute Outside side edgefold direction is bent with mounting surface on respectively to state the top at two ends of the length direction of the inner fold of the first upper rail, Upper installing hole is offered on described upper mounting surface, the second described upper rail equally takes the shape of the letter U, in the inner fold of the second upper rail The length direction of upper and nearly medium position is provided with a kerf, and the otch is convexly equipped with a pair of fixed supports to trackside on first, Convex is provided with a second bearing pin respectively at the two ends close end position of the length direction of the outer one of the second upper rail, in institute State on the outer one of the second upper rail and offset gap support two corresponding to having respectively constituted one at a position for offseting gap support one； Described lockable mechanism is arranged between a pair of fixed supports, and it includes lock claw, rotating shaft and spring, and described lock claw is in height side To bottom fold have with described square hole, locked groove and locking round match lock tooth, top constitute have a spanner, it is described Rotating shaft hub setting is arranged with spring thereon in the middle part of lock claw short transverse；Described bearing has two groups, and it is sheathed on first respectively On bearing pin and second bearing pin；The described gap block that disappears has four pieces, is separately mounted to one and offsets gap support one and to offset gap branch On frame two；Described upper rail sealing has a pair, is respectively sleeved at the two ends of upper rail length direction；Described dust excluder is covered in On the upper surface of lower guideway, both structures are to be fixedly connected.

In a specific embodiment of the present utility model, on the lower mounting hole of the lower mounting surface of described lower guideway point One group of lower mounting leg being connected with vehicle body for slide rail is not provided with, in the upper installing hole of the upper mounting surface of described upper rail One group is provided with for the connecting bolt that slide rail is connected with seat frame, to realize the fixed installation of slide rail.

In another specific embodiment of the present utility model, be also equipped with the position of described spanner one with its Unlocking mechanism with connection.

In another specific embodiment of the present utility model, the length of described lower guideway for 600mm and more than.

In another specific embodiment of the present utility model, described spacer pin is straight pin.

In an of the present utility model and then specific embodiment, the quantity of described lock tooth is at least four.

Of the present utility model more and in a specific embodiment, described square hole, the quantity of locked groove are at least four, Described square hole, the quantity of locked groove match with the quantity of described lock tooth, and slot pitch between adjacent locked groove and adjacent lock tooth, Spacing between adjacent square hole and adjacent locking round is equal, the minimum 10mm of slot pitch recited above, spacing.

It is of the present utility model and and then a specific embodiment in, the described gap block that disappears for nonmetal parts, the gap that disappears block One side in use state under simultaneously has a groove along slide rail length direction, is embedded at respectively by the groove gap block that will disappear One offsets gap support one and offsets on gap support two, and make to disappear gap block with a pair of lower guideway on plane and a pair of sidewalls phase Contact.

Bearing of the present utility model and more and in a specific embodiment, described in a state of use with it is described under The lower raceway structure of a pair of guide rail is rolling sliding fit.

Of the present utility model more and then in a specific embodiment, the end face outside of described upper rail sealing is in arc Shape.

The utility model using the side for one of after said structure, having the advantage that, being locked at due to lock tooth guide rail, and Passed sequentially through during locking square hole, locking round and locked groove, meanwhile, spring all the time with lock claw keep contact, this lock mode with Bottom locking direction in prior art compares, it is ensured that locking dynamic balance, it is ensured that the reliability of locking；Two, due to Two groups of bearings are rolled in the plane that lower raceway is formed, while when upper rail is slided, its end face outside is cambered surface, can ensure that cunning Rail slide balance and resistance to sliding is small；Three, the one of lower guideway two ends are directly arranged in using cylinder due to spacer pin Between offside wall, can ensure that slide rail has catch point intensity high；Four, due to being provided with the nonmetallic gap block that disappears on upper rail, and The gap that disappears block is in contact with the upper plane of lower guideway and side, therefore can ensure that slide rail gap is small；Five, the length due to lower guideway More long, so effective adjustment length of slide rail is more long, the spacing that tooth and locking round are locked again is small, therefore the regulation spacing of slide rail（Again Claim step pitch）It is small；Six, lower guideway high precision, and rolled in lower raceway plane by bearing, while be provided with slide rail die cavity disappearing The gap block that disappears in gap, therefore slide rail has no abnormal sound in slip and locking process；Seven, dust excluder is provided with due to slide rail top, The both sides of upper rail have upper rail to seal, therefore slide rail inside is in closed state, preferably plays dust-proof effect；Eight, zero Part is few, simple structure, small volume, easy to assembly, is easy to processing and fabricating；Nine, the slide rail locking mode be inner side locking, Slide rail bottom is set there are enough installing spaces, it is applied widely, it is capable of achieving and the connection between any seat.

Brief description of the drawings

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

Fig. 2 is three-dimensional exploded view of Fig. 1 embodiments on other direction.

Fig. 3 is sectional view of the utility model in lockup state.

Fig. 4 is sectional view of the utility model in released state.

Fig. 5 is sectional view of the utility model in sliding mode.

Fig. 6 is the utility model in the sectional view of gap state that disappears.

Fig. 7 is a pair of connection diagrams of automotive seat long track being applied on automotive seat.

In figure：1. lower guideway, 11. times raceways, plane on 12., 13. locking rounds, 14. time mounting surfaces, install for 141. times Hole, 15. spacer pins；2. upper rail, 21. first upper rails, 211. square holes, 212. locked grooves, 213. disappear gap support one, 214. first axles Consign, mounting surface on 215., 2151. upper installing holes, 22. second upper rails, 221. otch, 222. fixed supports, 223. disappear gap branch Frame two, 224. second bearing pins；3. teeth, 312. spanners, 32. rotating shafts, 33. springs are locked in lockable mechanism, 31. lock claw, 311.；4. axle Hold；5. the gap that disappears block；6. upper rail sealing, 61. end face outsides；7. dust excluder；8. mounting leg is descended；9. unlocking mechanism；10. spiral shell is connected Bolt.

Specific embodiment

Applicant will elaborate with reference to accompanying drawing by way of example below, but to the description of embodiment not It is the limitation to the utility model scheme, done by any foundation the utility model design is only formal and insubstantial The equivalent transformation of property is regarded as the technical solution of the utility model category.

Refer to Fig. 1, Fig. 2 and combine Fig. 3, Fig. 4, Fig. 5, Fig. 6, Fig. 7, the utility model is related to a kind of for automotive seat Long track, including one be used for the lower guideway 1, that be connected with car floor for being connected with automobile seat frame and being slided by bearing 4 3, one group of lockable mechanism for being used to lock upper rail 2 assigned in the upper rail 2, on lower guideway 1 is used to eliminate disappearing for slide rail gap Gap block 5 and seal 6 and dust excluder 7 for dust-proof upper rail.The section of described lower guideway 1 is in concave shape and along length side To extension, the length direction of the lower guideway 1 is more long, and specific length is unrestricted, in the present embodiment length be 600mm and More than, preferably 980mm, the lower guideway 1 includes lower raceway 11, upper plane 12, locking round 13, lower mounting surface 14 and spacer pin 15, described lower raceway 11 and upper plane 12 respectively has a pair and is symmetrical set, and plane 12 is located at lower guideway 1 in one pair of which A pair of sidewalls top, a pair lower raceways 11 are located at the bottom of a pair of sidewalls of lower guideway 1, and described lower mounting surface 14 is connected to Between a pair lower raceways 11, its section is concave, is spaced mounting hole under opening up a group along its length on lower mounting surface 14 141, interval opens up multiple locking rounds 13 along its length on the wherein side wall of a pair of sidewalls of the lower guideway 1, The spacer pin 15 of a cylinder, institute are separately installed between the two ends end of the length direction of a pair of sidewalls of the lower guideway 1 The spacer pin 15 stated is extended transversely through in the whole cross section of lower guideway 1.Described upper rail 2 includes the first upper rail 21 and the second upper rail 22, the section of the first described upper rail 21 takes the shape of the letter U, on the inner fold of the first upper rail 21 and nearly medium position length direction Upper interval offers multiple square holes 211, is offered on the outer one of the first upper rail 21 and with the corresponding position of square hole 211 The locked groove 212 that quantity matches with square hole 211, in the two ends close end of the length direction of the outer one of first upper rail 21 Convex is provided with a first axle and consigns 214 respectively at position, is consigned between 214 in described locked groove 212 and a pair of first axles Respectively constitute one on outer one to disappear gap support 1, the two of the length direction of the inner fold of first upper rail 21 Outside side edgefold direction is bent with mounting surface 215 on respectively on the top at end, and peace is offered on described upper mounting surface 215 Dress hole 2151, the second described upper rail 22 equally takes the shape of the letter U, on the inner fold of the second upper rail 22 and nearly medium position length Direction is provided with a kerf 221, and the otch 221 is convexly equipped with a pair of fixed supports 222 to the side of the first upper rail 21, in the second upper rail 22 Outer one length direction two ends close end position at respectively convex be provided with a second bearing pin 224, described Gap support two is offseted on the outer one of two upper rails 22 and corresponding to having respectively constituted one at a position for offseting gap support 1 223.Described lockable mechanism 3 is arranged between a pair of fixed supports 222, and it includes lock claw 31, rotating shaft 32 and spring 33, described Lock claw 31 have and described square hole 211, locked groove 212 and the locking lock tooth that matches of round 13 in the bottom fold of short transverse 311st, top constitutes the quantity for having a spanner 312, described lock tooth 311 and is at least four, can be five, six etc., preferably Be four, quantity of its quantity respectively with locked groove 212 and square hole 211 matches, and slot pitch between adjacent locked groove 212 with it is adjacent Spacing between lock tooth 311, adjacent locking round 13 and adjacent square hole 211 is equal, and slot pitch recited above, spacing are minimum 10mm, the described hub setting of rotating shaft 32 is arranged with spring 33 thereon in the middle part of the short transverse of lock claw 31.Described bearing 4 has two Group, it is sheathed on first axle and consigns on 214 and second bearing pin 224 respectively.The described gap block 5 that disappears has four pieces, is separately mounted to One offsets gap support one 213 and is offseted on gap support 2 223, and the gap that disappears block 5 is made of nonmetallic materials, such as working of plastics, One side of the gap that the disappears block 5 in use state under simultaneously has a groove along slide rail length direction, will be disappeared 5 points of gap block by groove Be not embedded at one and offset gap support one 213 and and offset on gap support 2 223, and make to disappear gap block 5 with a pair of lower guideway 1 on Plane 12 and a pair of sidewalls are in contact.Described upper rail sealing 6 has a pair, is respectively sleeved at the two ends of the length direction of upper rail 2, The end face outside 61 of upper rail sealing 6 is curved.Described dust excluder 7 is covered on the upper surface of lower guideway 1, and both structures are fixation Connection.One group is respectively arranged with the lower mounting hole 141 of the lower mounting surface 14 of described lower guideway 1 to be connected with vehicle body for slide rail Lower mounting leg 8, be provided with the upper installing hole 2151 of the upper mounting surface 215 of described upper rail 2 one group for slide rail with The connecting bolt 10 of seat frame connection, to realize the fixed installation of slide rail.Be also equipped with the position of described spanner 312 one with The unlocking mechanism 9 of its matching connection, described unlocking mechanism 9 is conventional known technology on slide rail, is repeated no more herein.

Please continue to refer to Fig. 1 to Fig. 7, operation principle of the present utility model is described：According to general knowledge, automotive seat is needed by scheming A pair of automotive seat long tracks shown in 7, are connected by unlocking mechanism 9 between the two, in the upper installing hole 2151 of usual upper rail 2 Connecting bolt 10 is installed with, lower mounting leg 8, described connecting bolt 10 and vapour have been installed with the lower mounting hole 141 of lower guideway 1 Vehicle seats seat frame is connected, and described lower mounting leg 8 is connected with car floor.Under normal circumstances, before and after seat to be made When location-appropriate changes, then active force is applied upwards to unlocking mechanism 9, it is right because unlocking mechanism 9 is by inconsistent with spanner 312 The lock claw 31 of the lockable mechanism 3 transmits downward active force, described lock claw 31 with rotating shaft 32 for fulcrum rotates, Spring 33 is driven by rotating shaft 32 during this, makes spring 33 in stress, at the same lock tooth 311 because of the rotation of lock claw 31 according to Secondary to be spun off from locked groove 212, locking round 13, slide rail is in released state, and now the front and back position of slide rail can be carried out Regulation.Once seat fore-aft position regulation is finished, when unclamp be applied to the active force in unlocking mechanism 9 when, then the solution lock machine Structure 9 departs from spanner 312 and coordinates, the down force pop-off on lockable mechanism 3, and now the restoring force of the spring 33 makes Lock claw 31, for pivot point starts work and previous rightabout rotary motion, makes lock tooth 311 be locked into again with rotating shaft 32 Determine in round 13 and locked groove 212, the released state that slide rail becomes previous is lockup state, now slide rail is in complete lockup state.

Claims (10)

1. a kind of long track for automotive seat, it is characterised in that including one be used to being connected with car floor lower guideway (1), One is used to be connected with automobile seat frame and be used to lock in the upper rail (2) on lower guideway (1), one by bearing (4) slide fit to lead The lockable mechanism (3) of rail (2), one group be used to eliminating disappearing for slide rail gap and gap block (5) and seal (6) for dust-proof upper rail With dust excluder (7), described lower guideway (1) section is in concave shape and extends along its length, the lower guideway (1) includes lower rolling Road (11), upper plane (12), locking round (13), lower mounting surface (14) and spacer pin (15), described lower raceway (11) and upper Plane (12) respectively has a pair and is symmetrical set, and plane (12) is positioned at the top of a pair of sidewalls of lower guideway (1) in one pair of which Portion, positioned at the bottom of lower guideway (1) a pair of sidewalls, described lower mounting surface (14) is connected to a pair lower rollings to a pair lower raceways (11) Between road (11), its section is concave, is spaced mounting hole (141) under opening up a group along its length on lower mounting surface (14), Interval opens up multiple lockings round (13) along its length on the wherein side wall of a pair of sidewalls of the lower guideway (1), A spacer pin (15) is separately installed between the two ends end of the length direction of a pair of sidewalls of the lower guideway (1), it is described Spacer pin (15) is extended transversely through in the whole cross section of lower guideway (1)；Described upper rail (2) includes the first upper rail (21) and second Upper rail (22), the section of described the first upper rail (21) takes the shape of the letter U, on the inner fold of the first upper rail (21) and nearly medium position Length direction on interval offer multiple square holes (211), it is on the outer one of the first upper rail (21) and right with square hole (211) The locked groove (212) that quantity matches with square hole (211) is offered on the position answered, in the outer one of first upper rail (21) Length direction two ends close end position at respectively convex be provided with a first axle and consign (214), in described locked groove (212) To consign respectively constituted on the outer one between (214) with a pair of first axles and one disappear gap support one (213), on described first Outside side edgefold direction is bent with mounting surface on respectively on the top at the two ends of the length direction of the inner fold of rail (21) (215) upper installing hole (2151), is offered on described upper mounting surface (215), described the second upper rail (22) is equally in U Shape, a kerf (221), the otch are provided with the inner fold of the second upper rail (22) and on the length direction of nearly medium position (221) a pair of fixed supports (222) are convexly equipped with to the first upper rail (21) side, in the length side of the outer one of the second upper rail (22) To two ends close end position at respectively convex be provided with a second bearing pin (224), in the outside of second upper rail (22) Gap support two (223) is offseted on flanging and corresponding to having respectively constituted one at a position for offseting gap support one (213)；Described Lockable mechanism (3) is between a pair of fixed supports (222), and it includes lock claw (31), rotating shaft (32) and spring (33), described Lock claw (31) the bottom fold of short transverse have and described square hole (211), locked groove (212) and locking round (13) phase The lock tooth (311) matched somebody with somebody, top is constituted a spanner (312), and described rotating shaft (32) hub setting is in lock claw (31) short transverse Portion, is arranged with spring (33) thereon；Described bearing (4) has two groups, and it is sheathed on first axle and consigns (214) and the second axle respectively Consign on (224)；The described gap block (5) that disappears has four pieces, is separately mounted to one and offsets gap support one (213) and to offset gap support On two (223)；Described upper rail sealing (6) has a pair, is respectively sleeved at the two ends of upper rail (2) length direction；Described is anti- Dirt bar (7) is covered on the upper surface of lower guideway (1), and both structures are to be fixedly connected.

2. the long track for automotive seat according to claim 1, it is characterised in that the lower peace of described lower guideway (1) One group is respectively arranged with the lower mounting hole (141) in dress face (14) for the lower mounting leg (8) that slide rail is connected with vehicle body, it is described Upper rail (2) upper mounting surface (215) upper installing hole (2151) on be provided with one group of company being connected with seat frame for slide rail Connecting bolt (10), to realize the fixed installation of slide rail.

3. the long track for automotive seat according to claim 1, it is characterised in that the position of described spanner (312) Place is also equipped with the unlocking mechanism (9) of a matched connection.

4. the long track for automotive seat according to claim 1, it is characterised in that the length of described lower guideway (1) For 600mm and more than.

5. the long track for automotive seat according to claim 1, it is characterised in that described spacer pin (15) is circle Pin.

6. the long track for automotive seat according to claim 1, it is characterised in that the quantity of described lock tooth (311) At least four.

7. the long track for automotive seat according to claim 1 or 6, it is characterised in that described square hole (211), lock The quantity of groove (212) is at least four, the number of described square hole (211), the quantity of locked groove (212) and described lock tooth (311) Amount matches, and the slot pitch between adjacent locked groove (212) and adjacent lock tooth (311), adjacent square hole (211) and adjacent locking row Spacing between hole (13) is equal, the minimum 10mm of slot pitch recited above, spacing.

8. the long track for automotive seat according to claim 1, it is characterised in that the described gap block (5) that disappears is non-gold Category part, the gap that disappears block (5) use state towards under one side and along slide rail length direction have a groove, will be disappeared by groove Gap block (5) is embedded at one and offsets gap support one (213) and and offsets on gap support two (223) respectively, and make to disappear gap block (5) with Plane (12) and a pair of sidewalls are in contact in a pair of lower guideway (1).

9. the long track for automotive seat according to claim 1, it is characterised in that described bearing (4) is using shape Raceway (11) structures are descended to roll sliding fit with a pair of the lower guideway (1) under state.

10. the long track for automotive seat according to claim 1, it is characterised in that described upper rail sealing (6) End face outside (61) is curved.