WO2014025143A1 - Mécanisme de verrouillage de chemin de roulement pour siège de véhicule - Google Patents

Mécanisme de verrouillage de chemin de roulement pour siège de véhicule Download PDF

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Publication number
WO2014025143A1
WO2014025143A1 PCT/KR2013/006413 KR2013006413W WO2014025143A1 WO 2014025143 A1 WO2014025143 A1 WO 2014025143A1 KR 2013006413 W KR2013006413 W KR 2013006413W WO 2014025143 A1 WO2014025143 A1 WO 2014025143A1
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WO
WIPO (PCT)
Prior art keywords
track
locking
movable track
holes
locking mechanism
Prior art date
Application number
PCT/KR2013/006413
Other languages
English (en)
Inventor
Dong-Il Kim
Jae-Won Sim
Original Assignee
Daewon Precision Industrial Co., Ltd.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Daewon Precision Industrial Co., Ltd. filed Critical Daewon Precision Industrial Co., Ltd.
Priority to CN201380036020.8A priority Critical patent/CN104428161B/zh
Publication of WO2014025143A1 publication Critical patent/WO2014025143A1/fr

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/08—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable characterised by the locking device
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/07—Slide construction
    • B60N2/0702—Slide construction characterised by its cross-section
    • B60N2/0705—Slide construction characterised by its cross-section omega-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/07—Slide construction
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/07—Slide construction
    • B60N2/0702—Slide construction characterised by its cross-section
    • B60N2/0715—C or U-shaped
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/07—Slide construction
    • B60N2/0722—Constructive details
    • B60N2/0727—Stop members for limiting sliding movement
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/08—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable characterised by the locking device
    • B60N2/0812—Location of the latch
    • B60N2/0818—Location of the latch inside the rail
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
    • B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
    • B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
    • B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
    • B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
    • B60N2/08—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable characterised by the locking device
    • B60N2/0831—Movement of the latch
    • B60N2/0837—Movement of the latch pivoting
    • B60N2/0856—Movement of the latch pivoting about a vertical axis

Definitions

  • the present invention relates, in general, to a track locking mechanism for a vehicle seat which couples a movable track which is engaged with a seat to a stationary track fixed to a vehicle body, or decouples the movable track which has been fastened to the stationary track from the stationary track, in such a manner that is capable of quickly and precisely locking and unlocking a plurality of locking elements and of obtaining simplified construction and easy assembly of parts, and therefore a reduction in cost.
  • Vehicle seats have a variety of adjustment functions such as being fitted to an occupant’s body type or being position-adjusted for in-vehicle space application.
  • vehicle seats For the position adjustment function, vehicle seats have a motion mechanism to allow them to move back and forth in the vehicle.
  • the vehicle seats are coupled to a vehicle body by means of a track mechanism.
  • a conventional track locking mechanism of a vehicle seat includes a stationary track which is fixedly mounted to a vehicle body, a movable track which is movably coupled to the stationary track while being mounted to the vehicle seat such that the movable track is movable along the stationary track together with the vehicle seat, a lock assembly which is mounted to the movable track so as to selectively lock or unlock the movable track with respect to the stationary track while moving along with the movable track so that the movable track is stopped at a position in a locked state or the locked movable track is unlocked, and a manipulating lever which manipulates the lock assembly to perform a locking or unlocking action.
  • the locking holes of the stationary track into which the locking elements of the lock assembly are inserted are formed at regular intervals in the longitudinal direction of the stationary track.
  • locking elements of the lock assembly may not be in the locked state, but may often be positioned between the adjoining locking holes, thereby being in the unlocked state.
  • the locking elements can be moved into a fully-locked state by softly moving the unlocked seat in the linear direction so that the locking elements can be inserted into the adjoining locking holes with a click.
  • FIG. 1 is a conceptual diagram showing a track locking mechanism having such a half-locking function.
  • the improved track locking mechanism includes, in addition to the above-known construction including the stationary track, the movable track, and lock assembly, a plurality of locking elements 6a, 6b, and 6c (three or more locking elements) which are spaced at regular intervals in the longitudinal direction of the tracks in such a manner that the locking elements are each resiliently supported by a return spring, and locking holes 5 which are provided on the stationary track 10 and into which the locking elements 6a, 6b, and 6c are inserted.
  • the respective locking holes have a larger length than a longitudinal length of the respective locking elements such that a particular locking hole has a certain longitudinally-remaining space when a particular locking element 6a, 6b, or 6c is inserted into that locking hole.
  • two locking elements are inserted into adjoining locking holes 5, respectively, such that a front side of one locking element and a rear side of the other locking element simultaneously come into contact with a front side and a rear side of the adjoining locking holes, respectively, thereby entering the fully-locked state in which the linear motion of the vehicle seat is blocked.
  • the locking elements 6a, 6b, and 6c are moved towards the locking holes 5 with the spring forces of the respective springs.
  • the movable track is stopped at an arbitrary position that is out of the fully-locked position of FIG. 1A, at least one locking element 6b is maintained in a state of being inserted into a locking hole 5.
  • the locking mechanism having such a half-locking function should have the plurality of locking elements (at least three elements) which are resiliently supported by return springs, respectively, many complicated bracket members are required in order to mount the locking elements and the return springs and to guide the locking and unlocking operation, which causes an increase in the cost.
  • bracket members constituting the locking mechanism should be designed taking account of securing sufficient strength to resist the reaction transferred from the locking elements.
  • the locking mechanism should satisfy allowable safety strength according to the types of vehicles, seats, seat belts, or the like, and at the same time, the locking mechanism should be designed to be built-in in a restricted space between the vehicle body and the seat.
  • an object of the present invention is to provide a track locking mechanism for a vehicle seat capable of obtaining simplified construction and easy assembly of parts, and therefore a reduction in cost.
  • Another object of the present invention is to provide a track locking mechanism for a vehicle seat capable of performing quick, precise locking or unlocking operation of locking elements even with simplified construction of parts, and thus improving operability responsive to the manipulation of the mechanism.
  • a further object of the present invention is to provide a track locking mechanism for a vehicle seat capable of accomplishing excellent strength in a half-locked state or a fully-locked state.
  • the present invention provides a track locking mechanism for a vehicle seat including a lock assembly, including: a guide member coupled to one lateral side of a movable track and having, at different levels, a plurality of first and second guide holes; a fixing member coupled to the lateral side of the movable track that is opposite the guide member and having, on an upper part thereof located above an upper side of the movable track, a plurality of assembly holes; a plurality of locking elements each vertically inserted into and held in the movable track through the assembly hole and the first and second guide holes; a spring holder member inserted between the upper side of the movable track and the upper part of the fixing member and fitted into the assembly holes; a plurality of return springs each connected between the spring holder member and an upper end of the locking element so as to resiliently separate the spring holder member and the locking element; and an operating member coupled with the fixing member through a rotary axis and configured to, when applied with a manipulating force, rotate about the rotary axis
  • the guide member may include: a vertical plate part abutted against and coupled to the lateral side of the movable track; a first plate part horizontally formed from the vertical plate part adjacent to and parallel with a bottom plate part of the stationary track on which the locking holes are formed, and having the plurality of the first guide holes through which the locking elements are vertically guided; and a second plate part horizontally formed from the vertical plate part above and parallel with the first plate part and having the second guide holes through which the locking elements are vertically guided.
  • the first plate part may have stopper grooves to be engaged with stopper protrusions formed at front and rear sides, respectively, of the stationary track so as to restrict a longitudinal movement section of the movable track.
  • the fixing member may have: a pair of lateral bracket parts each coupled to the lateral side of the movable track and having a hook-type bearing hole through which the rotary axis of the operating member is coupled; and an upper bracket part horizontally formed from the lateral bracket parts and coupled around the upper side of the movable track, the upper bracket part having a plate portion having the assembly holes and separated upward from the upper side of the movable track such that the spring holder member is inserted through a lateral side of the upper bracket part.
  • the spring holder member may have a cut part configured to, when inserted into the space between the upper side of the movable track and the fixing member, prevent interference from an assembly tool for compressing the return springs from the upper ends thereof.
  • the lock assembly may include a spring member connected between the fixing member and the operating member so as to return the operating member to the locked state about the rotary axis.
  • the locking mechanism can be easily assembled and operated, which ensures increased productivity and cost reduction due to simplified parts.
  • the locking elements, the spring member, and the operating member are easily assembled, thereby reducing the number of assembly steps.
  • the locking elements can be constantly vertically guided such that particularly insertion sides and lower sides thereof can be stably reinforced, and the entire longitudinal section has constant strength, thereby considerably improving the durability of the locking elements.
  • FIGS. 1A, 1B and 1C are conceptual diagrams showing a track locking mechanism for a vehicle seat having a half-locking function.
  • FIGS. 2 and 3 are perspective views showing a track locking mechanism for a vehicle seat according to an embodiment of the present invention.
  • FIG. 4 is a front view showing an assembled state between a stationary track and a movable track.
  • FIG. 5 is a plan view showing the construction of the stationary track.
  • FIG. 6 is a perspective view showing the construction of the movable track.
  • FIGS. 7 and 8 are exploded perspective views showing the construction of the track locking mechanism for a vehicle seat.
  • FIG. 9 is a perspective view showing the construction of a guide member.
  • FIG. 10 is a partial perspective view showing the reaction around a locking element in a locked state.
  • FIG. 11 is a partial plan view showing a stopper-coupled state between the guide member and the stationary track.
  • FIG. 12 is a perspective view showing the construction of a fixing member.
  • FIG. 13 is a perspective view showing the construction of the locking element.
  • FIG. 14 is a perspective view showing the construction of a spring holder member.
  • FIG. 15 is a perspective view showing the construction of an operating member.
  • FIG. 16 is an exploded perspective view showing an assembled state between the operating member and the movable track.
  • FIG. 17 is a perspective view showing an assembling process of the spring holder member.
  • FIGS. 18 and 19 are front cross-sectional views showing a locked state and an unlocked stage of the locking mechanism.
  • FIG. 20 is a partial perspective view showing the construction of a track locking mechanism for a vehicle seat according to another embodiment of the present invention.
  • a track locking mechanism for a vehicle seat includes a stationary track 10, a movable track 20, and a lock assembly 30.
  • the stationary track 10 is a member that is fixedly mounted to a vehicle body, and has a certain length having the same sectional area in the longitudinal direction of a vehicle seat.
  • the stationary track 10 has a flat bottom part 11, left and right lateral sides bent upward from the left and right sides of the bottom part, and hook parts 12 bent downward from the left and right lateral sides.
  • the bottom part 11 has a plurality of locking holes 15 which are provided at regular intervals in the longitudinal direction of the track.
  • the locking hole 15 has a larger longitudinal length than width (i.e. diameter) of an insertion-side end 63 of a locking element in the longitudinal direction of the track in order to satisfy a half-locking function of the movable track 20 relative to the stationary track 10.
  • the size, shape, and spacing of the locking holes are precisely designed, entirely into taking account the size, shape, and spacing of the locking element 60.
  • the movable track 20 is a member that is fixedly mounted to a seat, and also has a certain length having the same sectional area in the longitudinal direction of the seat.
  • the movable track has a flat upper plate part 21, left and right lateral sides bent downward from the left and right sides of the upper plate part, and hook parts 22 bent upward from the left and right lateral sides.
  • the upper plate part 21 has a plurality of through-holes 23 through which respective locking elements 60 and return springs 80 of the lock assembly 30, which will be described later, are inserted.
  • One lateral side bent from the upper plate part 21 is provided with through-slots 25 which are provided in order to prevent interference by the operating member 90 of the lock assembly 30 when the operating member is assembled and operated.
  • Reference numeral 27, which is not indicated in FIG. 6, denotes a fastening hole through which a fixing element is fastened.
  • the stationary track 10 and the movable track 20 can be separated by a distance and can be linearly slidable by means of retainer assemblies R which are provided between the left and right hook parts 12 and 22.
  • the retainer assembly R may have a variety of known structures in the types of ball, roller, etc.
  • the stationary track 10 and the movable track 20 are laterally asymmetric with a central line extending through the bottom part 11 and the upper plate part 21 that are opposite each other. That is, the left and right lateral sides of the stationary track 10 and the movable track 20 have different lengths so that the left and right hook parts 12 and 22, which are formed at end portions of the lateral sides, have different heights.
  • the lock assembly 30 which will be described below, can also be adapted to a laterally-symmetric track structure.
  • the lock assembly 30 that is a major element of the locking mechanism will now be described.
  • the lock assembly 30 includes a guide member 40, a fixing member 50, a locking element 60, a spring holder member 70, a return spring 80, and an operating member 90.
  • the guide member 40 is a member that serves to both guide a vertical movement of the locking element 60 and support the reaction applied to the locking element 60 in a locked state.
  • the guide member 40 has a pair of vertical plate parts 41, a first horizontal plate part 43, and a second horizontal plate part 45.
  • Each vertical plate part 41 is coupled to one lateral side of the movable track 20 by means of a fixing element 401.
  • the vertical plate part has a through-hole 411 through which the fixing element 401 is coupled, and abuts against and comes into contact with the lateral side of the movable track 20.
  • a guide member 400 may be coupled to the lateral side of a movable track 200 by means of laser welding.
  • the first plate part 43 is horizontally bent from the vertical plate part 41 parallel with the bottom part 11 of the stationary track 10 on which the locking holes 15 are formed, and has a plurality of first guide holes 430 through which the respective locking elements 60 are vertically guided.
  • a diameter of the first guide hole 430 corresponds to that of a body part 61 (see FIG. 13) of the locking element 60.
  • the second plate part 45 is also horizontally bent from the vertical plate part 41 parallel with the bottom part 11 of the stationary track 10 on which the locking holes 15 are formed, and has a plurality of second guide holes 450 through which the respective locking elements 60 are vertically guided. Similar to the first guide hole 430, a diameter of the second guide hole 450 corresponds to that of the body part 61 (see FIG. 13) of the locking element 60.
  • first and second plate parts 43 and 45 have different heights from the bottom part 11 of the stationary track 10.
  • the first plate part 43 is positioned adjacent the bottom part 11 of the stationary track 10, on which the locking holes 15 are formed, such that the first guide holes 430 vertically guide lower portions of the respective locking elements 60.
  • the second plate part 45 is separated upward from the first plate part 43 such that the second guide holes 450 vertically guide upper portions of the respective locking elements 60.
  • the first guide hole 430 of the first plate part 43 which supports the lower portion of the locking element 60, supports and resists the load in the opposite direction, thereby securing excellent support with respect to the insertion end 63 and the lower portion of the locking element 60.
  • the second guide hole 450 of the second plate part 45 which supports the upper portion of the locking element 60, supports and resists a moment that is caused from a slight height difference between the reaction acting from the locking hole 15 and the reaction acting from the first guide hole 430, and is applied to the upper portion of the locking element 60.
  • the insertion end 63 and the lower portion of the locking element 60 which may be easily bent or damaged can be reinforced, and at the same time, the reaction can be uniformly distributed over the locking element from the insertion end 63 to the upper portion thereof.
  • the guide member 40 may have a stopper function to restrict a longitudinal movement section of the movable track 20 with the contact with stopper protrusions 19 which are mounted on both front and rear sides of the stationary track 10.
  • the first plate part 43 is provided on both front and rear edges thereof with stopper grooves 47 so as to engage with the stopper protrusions 19 formed on the lateral side of the stationary track 10.
  • the stopper groove 47 extends at an oblique angle (a) at the front or rear edge of the first plate part 43 with respect to the movement direction of the track, and the stopper 19 of the stationary track 10 also extends at the same oblique angle (a).
  • the stopper protrusion 19 protrudes vertically with respect to the movement direction of the movable track 20
  • the stopper protrusion may be bent or damaged by an impact transmitted from the guide member 40, or the coupling part of the guide member 40 may be damaged because the vertical plate part 41 of the guide member 40 is separated from the stopper groove 47.
  • a direction of the moment acting on the stopper protrusion 19 or the guide member 40 is turned towards a reinforced part, thereby improving the strength of the stopper protrusion 19 and the guide member 40.
  • the fixing member 50 is a member to which the locking elements 60, the spring holder member 70, the return springs 80, and the operating member 90 are mounted.
  • the fixing member is fixedly coupled to the lateral side of the movable track 20 opposite the guide member 4o coupled to the opposite lateral side.
  • the fixing member has a pair of lateral bracket parts 51 each of which is coupled to one lateral side of the movable track 20, and an upper bracket part 53 which is horizontally formed from an upper end of the lateral bracket parts 51 and is coupled around the upper side 21 of the movable track 20.
  • the lateral bracket part 51 has a through-hole 511 through which the fixing element 401 is coupled, and comes into surface contact with the lateral side of the movable track 20 when coupled thereto using the fixing element 401. Further, the lateral bracket part 51 has, on an outer side thereof (inside the seat), a hook-type bearing hole 510 through which a rotary axis 91 of the operating member 90, which will be described later, is coupled.
  • a fixing member 500 may be coupled to one lateral side of a movable track 200 by means of laser welding.
  • the middle portion of the upper bracket part 53 has a plurality of assembly holes 530.
  • the locking element 60 is a member that maintains a locked or unlocked state of the movable track according to whether the locking element is inserted into the locking hole 15 or not.
  • the locking element basically has a pin structure.
  • the locking element has a cylindrical body part 61, an insertion end 63 which is formed at a lower portion of the body part 61 and is inserted into the locking hole 15, and an engaging flange part 65 which is formed on an upper circumference of the body part 61.
  • the insertion end 63 of the locking element 60 has a tapered structure in which a diameter thereof gradually decreases towards a tip portion thereof facing the locking hole 15, in order to satisfy a feature of being fitted into the locking hole 15 without a gap.
  • locking elements 60 As described before, although the present embodiment has illustrated four locking elements 60 in order to provide a half-locking function, tree or five or more locking elements may also be employed.
  • the locking element 60 is inserted into and assembled with the track through the assembly hole 530 of the fixing member 50 and the through-hole 23 of the movable track 20, and maintains a vertical posture by the first and second guide holes 430 and 450 of the guide member 40.
  • the spring holder member 70 is a member that is inserted into the assembly hole 530 of the fixing member 50 so as to block the upward separation of the return springs 80 and the locking elements 60 which are arranged therebelow.
  • the spring holder member 790 when coupled, the spring holder member 790 is inserted into a space between the upper side of the movable track 20 and the fixing member 50 and seats on the bottom of the assembly hole 530 of the fixing member 50.
  • the spring holder member 70 has a sectional shape like a right-angled frame, and is laterally inserted into the space between the upper side of the movable track 20 and the middle portion of the upper bracket part 51.
  • the spring holder member 70 is provided, on an upper surface thereof, with a plurality of fitting protrusions 71 which seat in the assembly holes 530, respectively, of the upper bracket part 51. The position of the spring holder member is fixed when the fitting protrusions 71 are inserted into and seat in the assembly holes 530 of the fixing member 50.
  • the spring holder member is provided, on a lower surface thereof, with a plurality of return spring-guide protrusions 73 on which the upper ends of the return springs 80 are inserted and seat.
  • the lower surface of the spring holder member 70, on which the protrusions 73 are formed, is provided with a plurality of reinforcing ribs 75 that are not subjected to interference of the return springs 80.
  • the spring holder member 70 has a plurality of cut parts 71a that extend across the fitting protrusions 71 and the guide protrusions. The function of the cut part 71 will be described later.
  • the return springs 80 are arranged such that the upper ends thereof are coupled with the guide protrusions of the spring holder member 70 and the lower ends thereof are seated on the engaging flanges 65 of the locking elements 60 so as to resiliently support the locking elements 60 downwards from the spring holder member 70, thereby maintaining a locked state in which the insertion ends 63 of the locking elements 60 are locked in the locking holes 15.
  • the operating member 90 is a member that transmits a user’s manipulating action.
  • the user’s manipulating action move the plurality of locking elements 60 upwards against the spring force of the return springs 80.
  • the operating member 90 is coupled with the lateral bracket part 51 of the fixing member 50 through a rotary axis 91.
  • the operating member also has a fork-type engaging end side 93 at one side thereof extending through a through slot 25 of the movable track 20 relative to the rotary axis 91 in order to support the engaging flange 65.
  • the other side of the operating member relative to the rotary axis 91 is provided with an operating end side 92 to be coupled with another hole bar (not shown).
  • the operating member 90 is operated such that the operating member returns to its initial position about the rotary axis 91 by a spring member 95 connected between the fixing member 50 and the operating member 90.
  • Unexplained reference numeral ‘925’ in FIG. 15 denotes a ‘coupling hole’ through which the spring member 95 is coupled.
  • the operating member 90 is assembled with the lateral bracket part 51 of the fixing member 50 by laterally inserting the rotary axis through the hook-type bearing holes 510 formed on the lateral bracket part.
  • the rotary axis 91 of the operating member 90 can be missed from the bearing holes 510.
  • one or more 25” of the through slots 25 of the movable track 20 are integrally provided with engaging grooves 250” to prevent the unlocked operating member 90 from being separated, and an engaging end side 93” of the operating member 90 passing through the through slot 25” is integrally provided with an engaging step 930” which is engaged with and supported by the engaging groove 250” during an unlocking operation.
  • the user’s manipulating force is transmitted through the hole bar, and the engaging end side 93 of the operating member 90 rotates upwards about the rotary axis 91 so that the engaging step 930” of the engaging end side 93” is engaged with the engaging groove 250”, which extends upwards from the through slot 25” of the movable track 20, thereby completely preventing the engaging step from being separated outwards (inwards the seat) from the engaging groove.
  • the guide member 40 and the fixing member 50 Prior to the coupling of the movable track 20 to the stationary track 10, the guide member 40 and the fixing member 50 are pushed against opposite faces of one lateral side of the movable track 20, and then are assembled using a single fitting element 401.
  • the stationary track 10 and the movable track 20 are assembled together by means of the retainer assemblies R, and a linear sliding operation between the tracks is tested.
  • the rotary axis 91 of the operating member 90 is pushed into hook-type the bearing holes 510 formed on the lateral bracket part 51 of the fixing member 50 and then is completely axis-coupled therewith. Then, the fixing member 50 and the operating member 90 are connected by the spring member 95, thereby completing the assembly of the operating member 90.
  • the locking elements 60 are inserted through the assembly holes 530 formed on the upper bracket part 53 of the fixing member 50.
  • the locking elements 60 are inserted through the through holes 23 and are supported by the first and second guide holes 430 and 450, thereby maintaining a vertical posture.
  • the return springs 80 are inserted through the assembly holes 530 so that the return springs 80 are seated on the engaging flanges 65 of the locking elements 60.
  • the upper ends of the return springs 80 are simultaneously pushed down and compressed using a bar-type assembly tool T shown in FIG. 17, and then the spring holder member 70 is laterally inserted into the space formed between the upper bracket part 53 of the fixing member 50 and the movable track 20.
  • the bar-type assembly tool T which has being compressed the return springs 80, induces the insertion of the spring holder member 70 while maintaining the action of compressing the return springs 80.
  • the bar-type assembly tool T which has being compressed the return springs 80, is separated, and at the same time, the upper ends of the return springs 80 are inserted around and seated on the guide protrusions 73 of the spring holder member 70.
  • the fitting elements 71 formed on the spring holder member 70 are seated and assembled in the assembly holes 530 of the fixing member 50 with a continuously applied spring force.
  • the operating member 90 rotates reversely and returns to the initial position (the locked state), and the locking elements among the plurality of locking elements, which are positioned above the locking holes 15, are inserted into the locking holes 15, entering the fully-locked or half-locked state.
  • the half-locked state If the half-locked state is maintained, it can be quickly switched to the fully-locked state with a click by a linear motion of the seat exerted by a user.

Landscapes

  • Engineering & Computer Science (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Seats For Vehicles (AREA)

Abstract

La présente invention concerne un mécanisme de verrouillage de chemin de roulement pour un siège de véhicule. Le mécanisme de verrouillage comprend un ensemble verrou comprenant un élément de guidage accouplé à un côté latéral d'un chemin de roulement mobile, un élément de fixation accouplé au côté latéral du chemin de roulement mobile qui est opposé à l'élément de guidage, une pluralité d'élément de verrouillage, chacun étant inséré verticalement dans le chemin de roulement, un élément de retenue de ressort inséré entre le chemin de roulement mobile et l'élément de fixation, une pluralité de ressorts de rappel, chacun étant raccordé entre l'élément de retenue de ressort et l'élément de verrouillage, et un élément d'actionnement configuré pour se mettre en rotation autour de l'axe rotatif contre la force de ressort des ressorts de rappel.
PCT/KR2013/006413 2012-08-06 2013-07-18 Mécanisme de verrouillage de chemin de roulement pour siège de véhicule WO2014025143A1 (fr)

Priority Applications (1)

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CN201380036020.8A CN104428161B (zh) 2012-08-06 2013-07-18 一种车辆座椅的轨道锁定机构

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KR10-2012-0085613 2012-08-06
KR1020120085613A KR101201654B1 (ko) 2012-08-06 2012-08-06 시트 트랙 록킹장치

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KR101576338B1 (ko) 2013-12-30 2015-12-09 현대다이모스(주) 차량용 시트레일 록킹장치
KR101518649B1 (ko) * 2013-12-30 2015-05-07 현대다이모스(주) 차량용 시트레일 록킹장치
KR101518650B1 (ko) * 2013-12-30 2015-05-11 현대다이모스(주) 차량용 시트레일 록킹장치
KR101634297B1 (ko) * 2015-06-02 2016-07-01 대원정밀공업(주) 차량용 시트 트랙 록킹장치
KR101671644B1 (ko) * 2015-08-25 2016-11-01 주식회사다스 시트 레일의 록킹 장치
DE102016208364B4 (de) * 2016-05-17 2021-11-18 Lear Corporation Sitzschienenanordnung und Verfahren zur Herstellung einer Sitzschienenanordnung
KR101986137B1 (ko) 2017-10-31 2019-06-05 주식회사 다스 시트 레일의 록킹 장치
KR102428021B1 (ko) * 2017-11-21 2022-08-03 주식회사 다스 매뉴얼 쿠션 익스텐션 장치의 힌지 구조
KR102001505B1 (ko) * 2017-12-26 2019-07-18 현대트랜시스(주) 차량용 시트레일
FR3093036B1 (fr) * 2019-02-26 2021-03-19 Faurecia Sieges Dautomobile Glissière renforcée pour siège
KR102197169B1 (ko) 2019-06-13 2020-12-31 대원정밀공업(주) 이음발생이 방지되는 비대칭형 시트트랙

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JP2011079370A (ja) * 2009-10-05 2011-04-21 Delta Kogyo Co Ltd 車両用シートスライドロック装置のロックユニット取付構造
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CN104428161B (zh) 2016-09-14
KR101201654B1 (ko) 2012-11-14

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