WO2020253238A1 - Clutch mechanism of electric sliding rail - Google Patents

Clutch mechanism of electric sliding rail Download PDF

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Publication number
WO2020253238A1
WO2020253238A1 PCT/CN2020/072386 CN2020072386W WO2020253238A1 WO 2020253238 A1 WO2020253238 A1 WO 2020253238A1 CN 2020072386 W CN2020072386 W CN 2020072386W WO 2020253238 A1 WO2020253238 A1 WO 2020253238A1
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WO
WIPO (PCT)
Prior art keywords
clutch
slide rail
transmission
fixed
rotating sleeve
Prior art date
Application number
PCT/CN2020/072386
Other languages
French (fr)
Chinese (zh)
Inventor
翟晓齐
黄正坤
李红超
郝浩帅
Original Assignee
湖北航嘉麦格纳座椅***有限公司
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 湖北航嘉麦格纳座椅***有限公司 filed Critical 湖北航嘉麦格纳座椅***有限公司
Publication of WO2020253238A1 publication Critical patent/WO2020253238A1/en

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    • 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
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/10—Structural association with clutches, brakes, gears, pulleys or mechanical starters

Definitions

  • the invention relates to the technical field of electric sliding rails, in particular to a clutch mechanism of electric sliding rails.
  • the seat slide rail is mainly connected to the seat basin and the vehicle floor to realize the front and rear adjustment of the seat, and passengers can according to their own needs Adjust the seat to the most comfortable position; and for the seven-seat middle-row seat and the single-door front seat, in order to facilitate rear entry, the seat will be required to have a fast front and rear adjustment function.
  • the structure of the existing electric slide rail on the market is mainly composed of an inner slide rail, an outer slide rail, a transmission mechanism and a motor.
  • the transmission mechanism can be driven by the motor to drive the inner slide rail to move forward and backward.
  • the adjustment speed of the slide rail is determined by the speed of the motor and the transmission ratio of the transmission mechanism, but the adjustment speed is a fixed value, and the fast adjustment function cannot be realized.
  • the purpose of the present invention is to provide a clutch mechanism of an electric slide rail, which can realize the matching and disengagement of the transmission connection between the motor and the transmission mechanism, so that the seat adopting the electric slide rail can also be adjusted quickly.
  • the present invention provides a clutch mechanism for an electric slide rail.
  • the electric slide rail includes a motor and two slide rail assemblies.
  • Each of the slide rail assemblies includes an outer slide rail, an inner slide rail and A transmission mechanism
  • the transmission mechanism includes a first transmission member and a second transmission member that are connected in transmission
  • the first transmission member is fixed to the outer slide rail
  • the clutch mechanism includes: a fixing part which is respectively connected to the seat and the seat The inner slide rail is fixed;
  • the driving part is connected to the motor in transmission and can be rotated under the drive of the motor;
  • the clutch part is slidably connected to the driving part to cooperate with or disengage from the second transmission part , And can rotate synchronously with the driving part; in the mating state, the clutch part is drivingly connected with the second transmission part, and the second transmission part cooperates with the first transmission part to drive the The inner slide rail slides relative to the outer slide rail.
  • the drive connection between the motor and the transmission mechanism can be matched or disengaged, so that the seat using the electric slide rail can also be adjusted quickly.
  • the driving part includes a rotating sleeve, and the clutch end of the clutch member can pass through the rotating sleeve and can slide along the axial direction of the rotating sleeve.
  • one end of the rotating sleeve is fixedly provided with a sealing plate, and the other end is provided with a rotating flange, and the sealing plate and the rotating flange are respectively provided with a limiting hole adapted to the clutch member ,
  • the clutch end of the clutch member can sequentially pass through the sealing plate and the limiting hole of the rotating flange and cooperate with the second transmission member, and the driving end of the clutch member is located outside the rotating sleeve
  • the outer wall of the clutch member is also provided with a limiting structure, and a return spring is also provided between the limiting structure and the sealing plate. When the clutch member is in a disengaged state from the second transmission member, the The return spring is in a deformed state.
  • the clutch includes four clutch rods, the second transmission part is provided with a bar-shaped connecting block, the four clutch rods are evenly arranged in the circumferential direction, and the outer walls of the four clutch rods are respectively sleeved There is the return spring; in the mated state, in each of the clutch rods, the clutch ends of two clutch rods are located on one side of the bar-shaped connecting block, and the clutch ends of the other two clutch rods are located on the The other side of the bar-shaped connecting block is used to clamp the bar-shaped connecting block.
  • the clutch mechanism further includes a transmission shaft, one end of the transmission shaft is drivingly connected to the rotating shaft of the motor, and the other end is inserted in the space enclosed by the four clutch rods and is connected to the rotating sleeve Coaxial transmission.
  • the driving part is further provided with a positioning pin
  • the cylinder wall of the rotating sleeve and the side wall of the rotating flange are respectively provided with positioning holes, and the positioning holes are matched with the positioning pins .
  • the fixed portion includes a fixed sleeve
  • the rotating sleeve is sleeved in the fixed sleeve and can rotate relative to the fixed sleeve, the rotating sleeve and the fixed sleeve Lubricating grease is applied between them.
  • it further includes a sliding member, the sliding member is located between the driving end of the clutch and the fixed part, the sliding member can act on the driving end, and at least can be used to drive the clutch Part is separated from the second transmission part.
  • the sliding member is further provided with a guiding structure, and the sliding member can move along the axial direction of the driving part under the action of the guiding structure.
  • both ends of the tension spring are respectively fixed to the sliding member and the fixing portion, and the sliding member can interact with the driving end of the clutch member under the action of the tension spring. Break away.
  • Figure 1 is a schematic structural diagram of a specific embodiment of an electric slide rail
  • Figure 2 is an exploded view of the connecting structure of the slide rail assembly and the clutch mechanism provided by the present invention
  • FIG. 3 is a schematic structural diagram of a specific implementation of the clutch mechanism provided by the present invention.
  • Figure 4 is a cross-sectional view of Figure 3 in the A-A direction;
  • Figure 5 is a cross-sectional view of Figure 3 in the direction B-B;
  • Figure 6 is a view of Figure 3 in the direction of C-C;
  • Figure 7 is a right side view of Figure 3;
  • Figure 8 is an exploded view of Figure 3.
  • 10-drive device 20-outer slide rail; 30-inner slide rail; 40-gear box, 401-bar connecting block, 402-fixed bracket, 403-cover plate; 50-screw, 501-front support, 502-rear bearing;
  • 3-rotating sleeve 31-sealing plate, 32-rotating flange, 321-positioning hole, 322-positioning pin, 33-return spring, 34-shaft hole, 35-limiting hole;
  • Figure 1 is a schematic structural diagram of a specific embodiment of the electric slide rail
  • Figure 2 is an exploded view of the connection structure of the slide rail assembly and the clutch mechanism provided by the present invention
  • Figure 3 is the present invention
  • a schematic structural diagram of a specific embodiment of the clutch mechanism is provided.
  • FIG. 4 is a cross-sectional view in the AA direction of FIG. 3
  • FIG. 5 is a cross-sectional view in the BB direction of FIG. 3
  • FIG. 6 is a view in the CC direction of FIG. 3
  • FIG. 3 is the right view
  • Figure 8 is the exploded view of Figure 3.
  • the embodiment of the present invention provides a clutch mechanism for an electric sliding rail, which is used for adjusting the internal seat of a vehicle.
  • the electric sliding rail of the vehicle seat includes a motor 200 and two sliding rail assemblies.
  • Two slide rail assemblies 100 are symmetrically arranged on both sides of the motor 200.
  • the slide rail assembly 100 includes an outer slide rail 20, an inner slide rail 30, a transmission mechanism and The driving device 10, wherein the driving device 10 includes a clutch mechanism and a locking part 2.
  • the clutch mechanism includes a fixed part 1, a rotating sleeve 3 (that is, a driving part) and a clutch part 4, and the fixed part 1 is respectively connected to the seat basin and inner
  • the slide rail 30 is fixed, and the transmission mechanism includes a first transmission member and a second transmission member that are adapted to each other.
  • the first transmission member is fixed to the outer slide rail 20, and the locking portion 2 is used to lock the inner slide rail 30 and the second transmission member;
  • the member 4 can act between the driving part and the second transmission part, so that the driving part and the second transmission part are matched or disengaged.
  • the fixing part 1 is fixed to the bracket 300 of the seat, and the fixing part 1 is fixed to the inner sliding rail 30 by fixing bolts.
  • the locking part 2 is used to lock the inner sliding rail 30 and the second transmission member.
  • the driving part can act on the second transmission part and pass through the second transmission part.
  • the inner slide rail 30 is driven to slide relative to the outer slide rail 20. That is, the motor 200 drives the seat to slide forward or backward.
  • the sliding speed at this time can be determined according to the rotation speed of the motor 200.
  • the electric slide rail has the function of quickly adjusting the front and rear position of the seat on the basis of the existing electric slide rail. It can be used in special circumstances, such as a seven-seater middle row seat. In vehicles with seats and single-door front seats, the front and rear positions of the seats can be quickly adjusted to facilitate the boarding or getting off of rear passengers to meet the needs of passengers.
  • the driving part includes the rotating sleeve 3, and the clutch 4 includes a clutch end 421 and a driving end 422, wherein the clutch end 421 of the clutch 4 can pass through the rotating sleeve 3 and can run along the axis of the rotating sleeve 3. Move in the axial direction to fit or disengage from the second transmission member.
  • the rotation of the rotating sleeve 3 can drive the second transmission member to rotate through the clutch 4, and when the clutch 4 and the second transmission member are in the disengaged state, the rotation The rotation of the sleeve 3 cannot drive the second transmission member to rotate.
  • the coupling and disengagement of the clutch end 421 and the second transmission member can be realized by pushing and pulling the driving end 422.
  • the driving part can also be configured as a shaft structure, and the end facing the inner slide rail 30 and the outer slide rail 20 is provided with a first gear.
  • the second transmission member is provided with a second gear, and the clutch member 4 is provided with a third gear.
  • the driving part is set as the rotating sleeve 3, and the clutch 4 can move along the axial direction of the rotating sleeve 3 and cooperate with the second transmission member to realize that the rotation of the rotation sleeve 3 can drive the rotation of the second transmission member.
  • the solution can simplify the overall structure without adding a support and movement path for the clutch 4, making the overall structure simpler, occupying less space, and convenient for layout.
  • one end of the rotating sleeve 3 is fixedly provided with a sealing plate 31, and the other end is provided with a rotating flange 32.
  • the sealing plate 31 and the rotating flange 32 are respectively provided with a limit hole adapted to the clutch 4 35.
  • the clutch end 421 of the clutch member 4 can pass through the sealing plate 31 and the limiting hole 35 of the rotating flange 32 in sequence and cooperate with the second transmission member, and the clutch end 421 of the clutch member 4 can be in the rotating sleeve 3 It moves along the axial direction of the rotating sleeve 3, and the driving end 422 of the clutch 4 is located outside the sealing plate 31, that is, outside the rotating sleeve 3.
  • the sealing plate 31 and the limiting hole 35 of the rotating flange 32 can position the clutch 4 to avoid bending or offset during the rotation of the rotating sleeve 3, thereby ensuring the clutch end 421 It can cooperate with the second transmission member.
  • the outer wall of the clutch 4 is provided with a limiting structure 41, and a return spring 33 is also provided between the limiting structure 41 and the sealing plate 31.
  • the clutch member 4 When the seat needs to be moved quickly, the clutch member 4 is moved axially away from the second transmission member by external force until the clutch end 421 is separated from the second transmission member. In this process, the limiting structure 41 is closed The movement of one side of the plate 31 causes the return spring 33 to be compressed, and when the external force on the driving end 422 of the clutch 4 is removed, the return spring 33 in the compressed state will push the clutch 4 to the second transmission through the limiting structure 41 One side of the member moves until the clutch end 421 is matched with the second transmission member. The setting of the return spring 33 enables the clutch member 4 to cooperate with the second transmission member quickly without manual operation after the seat is quickly adjusted. Specifically, there is no restriction on the limiting structure 41.
  • the return spring 33 abuts against the stepped surface, or it can be set as a clip provided on the outer wall of the clutch 4, which is not here.
  • the apertures of the limiting holes 35 of the sealing plate 31 and the rotating flange 32 may be the same or different, which can be set according to the structure of the clutch 4, but the limiting holes 35 of the sealing plate 31 and the rotating flange 32 need one One correspondence and coaxial.
  • the return spring 33 can also be in a stretched state, which is specifically related to the return spring 33 in the rotating sleeve.
  • the setting position in the barrel 3 is related.
  • the clutch 4 includes four clutch levers 42, the second transmission member is provided with a bar-shaped connecting block 401, and the four clutch levers 42 are evenly arranged in the circumferential direction, and the distance between the two adjacent clutch levers 42 The distance is greater than the width of the strip-shaped connecting block 401; the outer walls of the four clutch rods 42 are respectively sleeved with the above-mentioned return spring 33.
  • the sealing plate 31 and the rotating flange 32 are respectively provided with four limiting holes 35 along the circumferential direction, and the aperture of the limiting hole 35 of the sealing plate 31 is smaller than the aperture of the return spring 33.
  • the clutch 4 can also be configured with other numbers of clutch rods 42.
  • the clutch end 421 of the clutch rod 42 is provided with a strip-shaped structure.
  • the engagement and disengagement of the clutch member 4 and the second transmission member can be realized by the fitting and disengagement of the slot and the bar-shaped connecting block 401; when the number of clutch rods 42 is two, The distance between the clutch ends 421 of the two clutch rods 42 is greater than the width of the strip-shaped connecting block 401, so that when the clutch ends 421 of the two clutch rods 42 are located on both sides of the strip-shaped connecting block 401, the rotating sleeve 3 drives When two clutch levers 42 rotate, the second transmission member can be driven to rotate; and when the number of clutch levers 42 is three or more, the distance between two adjacent clutch levers 42 is greater than the width of the bar-shaped connecting block 401. can.
  • the number of clutch rods 42 is set to four, when the clutch end 421 of the clutch 4 is initially fitted with the bar-shaped connecting block 401, it can be ensured that there are two clutch rods 42 respectively located at two of the bar-shaped connecting block 401.
  • the other two clutch rods 42 can be respectively located on both sides of the bar-shaped connecting block 401 or abut against the bar-shaped connecting block 401 (compressing the return spring 33 in the abutting state).
  • the two clutch rods 42 of the block 401 are rotated to be located on both sides of the bar-shaped connecting block 401, so as to ensure that there are two clutch rods 42 on both sides of the bar-shaped connecting block 401, and the cooperation between the second transmission part and the clutch part 4 is more stable .
  • the solution of setting the clutch 4 as four clutch rods 42 is compared with the solution of three or less clutch rods 42, which can ensure that the strip connecting block 401 is initially matched with the strip connecting block 401.
  • At least one clutch rod 42 is provided on both sides of the, and compared to the solution with five or more clutch rods 42, the overall structure can be simplified and the occupied space is reduced.
  • the clutch mechanism may further include a transmission shaft 5, one end of which is used to connect with the motor 200, and the other end passes through the space enclosed by the four clutch rods 42 and is the same as the rotating sleeve 3. Shaft drive.
  • the end of the rotating sleeve 3 away from the second transmission member is provided with a shaft hole 34 (as shown in FIG. 7) capable of coaxial transmission with the transmission shaft 5, and the transmission shaft 5 is connected between the motor 200 and the shaft hole 34, and The rotating sleeve 3 can be driven to rotate under the drive of the motor 200.
  • the coaxial rotation of the transmission shaft 5 and the clutch 4 can be realized, and at the same time, the two do not interfere with each other.
  • the shaft hole 34 may be a non-circular hole.
  • the connecting end of the transmission shaft 5 and the shaft hole 34 may also be a matching non-cylindrical part, so that when the transmission shaft 5 is inserted into the shaft hole 34, the transmission shaft 5 It can be matched with the shaft hole 34 to drive the rotating sleeve 3 to rotate.
  • the driving part is also provided with a positioning pin 322.
  • the cylinder wall of the rotating sleeve 3 and the side wall of the rotating flange 32 are respectively provided with positioning holes 321, and the positioning holes 321 are compatible with the positioning pins 322.
  • the clutch end 421 of the clutch 4 penetrates into the rotating sleeve 3 from one side of the sealing plate 31, the driving end 422 is located outside the sealing plate 31, and the return spring 33 is from the rotating sleeve 3 toward the side of the rotating flange 32
  • the end of the return spring 33 facing the rotating flange 32 is fixed to the limiting structure 41 of the clutch 4, and then the rotating flange 32 is installed and fixed by the positioning pin 322.
  • the positioning pin 322 can be set The rotating flange 32 and the rotating sleeve 3 are made to rotate synchronously, and the clutch levers 42 are driven to rotate synchronously, which facilitates precise control of the rotation of the clutch lever 42.
  • the positioning pin 322 and the positioning hole 321 may be an interference fit, or may also be fixed by welding or the like.
  • the fixed part 1 includes a fixed sleeve 11, and the rotating sleeve 3 is sleeved in the fixed sleeve 11 and can rotate relative to the fixed sleeve 11, and is located between the rotating sleeve 3 and the fixed sleeve 11 Also coated with grease.
  • the fixed sleeve 11 is used to provide radial support for the rotating sleeve 3, so that the rotating sleeve 3 can stably rotate in the fixed sleeve 11, and grease is coated between the two to ensure that the rotating sleeve 3 can slide smoothly And reduce friction and wear, prolong service life.
  • the first transmission member may be a screw rod 50
  • the second transmission member may be a gear box 40 that is adapted to the screw rod 50.
  • the clutch 4 When the clutch 4 is in power engagement with the gear box 40, the rotation of the driving part can drive the gear box 40 along The screw 50 moves in the longitudinal direction.
  • the front end of the screw 50 is provided with a front support 501
  • the rear end is provided with a rear support 502.
  • the front support 501 and the rear support 502 are respectively fixed to the outer slide rail 20.
  • the cooperation between the gear box 40 and the screw 50 is a prior art well known to those skilled in the art. In order to save space, the internal structure of the gear box 40 will not be repeated here.
  • the first transmission member may be configured as a rack and the second transmission member may be configured as a gear structure, and the gear box 40 and the screw rod 50 have better coordination stability, higher strength, and support seat The chair can slide stably and at the same time can guarantee the service life of the electric slide rail.
  • the first transmission member is the screw rod 50 and the second transmission member is the gear box 40 as an example.
  • the locking part 2 includes a locking card 21 and a rotating shaft 22, the gear box 40 is provided with a locking hole or a locking slot (both hole structure or groove structure can be used) adapted to the locking card 21, the rotating shaft 22 and the fixing part 1 Fixed, the lock card 21 can rotate around the rotating shaft 22 so that it passes through the inner slide rail 30 and fits or disengages from the lock hole or lock groove of the gear box 40.
  • the inner sliding rail 30 is provided with a through hole, and the locking clip 21 can pass through the through hole and be matched with the locking hole or the locking groove of the gear box 40.
  • the locking portion 2 When the lock card 21 is matched with the lock hole or groove of the gear box 40, the locking portion 2 is in a locked state, and the inner slide rail 30 and the gear box 40 are fixed. When the lock card 21 is separated from the lock hole or groove of the gear box 40 At this time, the locking portion 2 is in an unlocked state, and the inner slide rail 30 and the gear box 40 are separated.
  • the fixing part 1 is provided with a fixing plate 12, which is fixed to the fixing sleeve 11, and the fixing plate 12 and the lock card 21 are correspondingly provided with mounting holes, the rotating shaft 22 is a bolt, and the bolt passes through the fixing plate 12 and the lock. After the mounting hole of the card 21 is fixed by a nut, the lock card 21 can be rotated around the rotating shaft 22, and the structure is simple and easy to disassemble and assemble.
  • the lock card 21 can also be provided separately.
  • the passenger can directly act on the lock card 21 to make it contact with the lock hole or The lock groove can be separated, and after the position adjustment is completed, the lock card 21 can be passed through the inner slide rail 30 again and matched with the lock hole or the lock groove of the gear box 40.
  • the setting of the rotating shaft 22 is convenient for the locking card 21 to correspond to the through hole of the inner slide rail 30.
  • the locking card 21 rotates around the rotating shaft 22 to avoid the situation that the locking card 21 is separately removed and lost, and the operation is more convenient.
  • the locking portion 2 further includes a torsion spring 23, which is sleeved on the outside of the rotating shaft 22.
  • the torsion spring 23 can act on the lock
  • the card 21 rotates around the rotating shaft 22 to one side of the gear box 40, so that the lock card 21 can cooperate with the lock hole or the lock groove to achieve locking.
  • the arrangement of the compression spring facilitates the realization of the locked state without manual operation of the lock card 21 when the locking portion 2 is in the unlocked state, simplifying manual operation.
  • the side of the gear box 40 facing the inner slide rail 30 is also provided with a guide surface, and the lock card 21 can move to the lock hole or lock groove along the guide surface.
  • the lock card 21 rotates around the shaft 22 under the action of the torsion spring 23 and passes through the through hole of the inner slide rail 30 and the upper surface of the gear box 40 (here on The surface refers to the surface facing the inner slide rail 30) the guide surface abuts. At this time, continue to move the seat so that the lock card 21 can continue to move along the guide surface until it fits the lock hole or lock groove. locking.
  • the setting of the guide surface facilitates precise control of the locking of the locking portion 2 and avoids the situation that the locking card 21 and the locking hole or the locking groove are offset and cannot be locked.
  • the bottom of the gear box 40 is provided with a fixed bracket 402, the top is also fixed with a cover plate 403, the upper surface of the cover plate 403 is provided with the above-mentioned guide surface, the fixed bracket 402 and the cover plate 403 are welded and fixed to form the gear box 40 fixed support; the aforementioned lock holes and lock grooves can actually be set on the cover 403.
  • the locking portion 2 further includes a lock body 24, which is fixed between the sliding rail and the fixing portion 1, and correspondingly, the lock body 24 is provided with a through hole corresponding to the inner sliding rail 30 Through hole, the lock clip 21 can pass through the through hole of the lock body 24 and the through hole of the inner slide rail 30 and fit with the lock hole or the lock groove of the gear box 40.
  • the lock body 24 is welded to the inner slide rail 30 as a whole, and serves as a fixed support for the inner slide rail 30.
  • the arrangement of the lock body 24 can increase the connection between the inner slide rail 30 and the fixed portion 1 and the inner slide rail
  • the strength of the connection between 30 and the lock card 21 avoids damage during use due to the thin side wall of the inner slide rail 30, thereby ensuring the service life of the inner slide rail 30.
  • the clutch mechanism further includes a sliding member 7 and a connecting rod 6, wherein the sliding member 7 is located between the driving end 422 of the clutch 4 and the fixed portion 1, and the sliding member 7 can act on the driving end 422 and drive the clutch The member 4 is moved to disengage it from the gear.
  • the two ends of the connecting rod 6 are respectively hinged with the sliding member 7 and the lock card 21.
  • the sliding member 7 can also pull the connecting rod 6 when it moves to the side away from the gear box 40, so that The connecting rod 6 moves away from the side of the gear box 40, and when the connecting rod 6 moves to the side away from the gear box 40, the locking card 21 can be pulled, so that the locking card 21 can rotate around the rotating shaft 22 to achieve unlocking, that is, through
  • the operating slider 7 can unlock the locking portion 2 while the clutch end 421 of the clutch 4 is disengaged from the gear, so that the inner slide 30 and the gear box 40 are disengaged, and the operation is more convenient.
  • the lock card 21 can rotate around its shaft 22 to fit with the lock hole or lock groove of the gear box 40 , That is, the locking part 2 returns to the locked state, and the rotation of the locking card 21 can drive the sliding member 7 to move to the side of the gear box 40 through the connecting rod 6, thereby releasing its effect on the driving end 422 of the clutch 4, and this
  • the return spring 33 in the compressed state will act on the limiting structure 41 and drive the clutch 4 to move to one side of the gear box 40 until the clutch end 421 matches the gear.
  • the arrangement of the sliding member 7 and the connecting rod 6 can simplify the operation of the seat when the seat moves quickly, and optimize the user experience.
  • the specific structure of the sliding member 7 is not limited, as long as it can act on the driving end 422 of the clutch 4 to drive the clutch 4 to move away from the gear box 40, as shown in Figs. 3-8,
  • the clutch end 421 of the clutch 4 passes through the slider 7, and the drive end 422 of the clutch 4 is provided with a baffle 423, which can abut on the end surface of the slider 7 so that the slider 7 moves away from the gear box 40.
  • the baffle 423 can drive the clutch 4 to move.
  • each clutch lever 42 When the clutch 4 has a structure of four clutch levers 42, the driving end 422 of each clutch lever 42 is provided with a baffle 423 respectively, so as to ensure that the driving end 422 of each clutch lever 42 is located on the sliding member 7 away from the gear box 40. side.
  • the sliding member 7 is further provided with a guiding structure 71, and the sliding member 7 can move along the axis direction of the driving part (the axial direction of the rotating sleeve 3) under the action of the guiding structure 71.
  • the guide structure 71 there is no restriction on the structure of the guide structure 71.
  • the outer wall of the fixed sleeve 11 is parallel to the axial direction of the rotating sleeve 3, and the guide structure 71 is provided with the outer wall of the fixed sleeve 11.
  • the guide groove is close to the outer wall of the fixed sleeve 11, so that the sliding member 7 can only move in the axial direction along the rotating sleeve 3, thereby ensuring the movement of the clutch 4
  • the trajectory avoids the situation that the deviation cannot be matched with the gear; alternatively, the guiding structure 71 can also be cylindrical and cover the fixed sleeve 11.
  • the sliding member 7 can also be guided by a guide rod and a guide hole, wherein the axial directions of the guide rod and the guide hole are parallel to the axis of the rotating sleeve 3, and the guide rod and the guide hole , One is fixed on the fixing portion 1 and the other is arranged on the sliding member 7 to form the aforementioned guiding structure 71.
  • the driving device 10 further includes a pull wire 8 which is fixed to the sliding member 7, that is to say, the passenger can pull the pull wire 8 to disengage the clutch 4 from the gear and unlock the locking portion 2.
  • the pull wire 8 is set Easy to operate manually.
  • the clutch mechanism can also be provided with a tension spring (not shown in the figure), the tension spring is connected between the sliding member 7 and the fixed portion 1, and the setting of the tension spring can pull the sliding member 7 to One side of the fixed part 1 enables the sliding part 7 to abut against the fixed part 1 and disengage from the driving end 422 of the clutch 4 without external force, so as to avoid friction between the driving end 422 and the sliding part 7 when it rotates.
  • the position of the sliding member 7 can be displayed by the action of the above-mentioned connecting rod 6, and the arrangement of the tension spring can provide an auxiliary effect on the position of the sliding member 7 so that it can be separated from the clutch 4.

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

Abstract

Provided is a clutch mechanism of an electric sliding rail, wherein the electric sliding rail comprises a motor (200) and two sliding rail assemblies (100), each sliding rail assembly (100) comprises an outer sliding rail (20), an inner sliding rail (30) and a transmission mechanism, wherein the transmission mechanism comprises a first transmission piece and a second transmission piece, which are in transmission connection, and the first transmission piece is fixed to the outer sliding rail (20); the clutch mechanism comprises: a fixed portion (1), which is respectively fixed to a seat and the inner sliding rail (30); a driving portion, which is in transmission connection with the motor (200) and can rotate under the driving of the motor (200); a clutch (4), which is slidably connected to the driving portion, to be engaged with or disengaged from the second transmission piece, and can rotate synchronously with the driving portion; in the engagement state, the clutch (4) is in transmission connection with the second transmission piece, and the second transmission piece is engaged with the first transmission piece to drive the inner sliding rail (30) to slide relative to the outer sliding rail (20). The structure can realize the engagement and disengagement of the transmission connection between the motor (200) and the transmission mechanism by operating the clutch (4), so that the seat with the electric sliding rail can also be quickly adjusted.

Description

一种电动滑轨的离合机构Clutch mechanism of electric sliding rail
本申请要求于2019年06月18日提交中国专利局、申请号为2019105280533、发明名称为“一种车辆座椅的电动滑轨及滑轨总成”以及于2019年10月31日提交中国专利局、申请号为2019110543632、发明名称为“一种电动滑轨的离合机构”的两件中国专利申请的优先权，其全部内容通过引用结合在本申请中。This application requires that it be submitted to the Chinese Patent Office on June 18, 2019, the application number is 2019105280533, the title of the invention is "An electric slide rail and slide rail assembly for a vehicle seat" and a Chinese patent on October 31, 2019 The priority of the two Chinese patent applications with the application number of 2019110543632 and the invention title of "A clutch mechanism for electric slide rails", the entire contents of which are incorporated into this application by reference.
技术领域Technical field
本发明涉及电动滑轨技术领域，具体涉及一种电动滑轨的离合机构。The invention relates to the technical field of electric sliding rails, in particular to a clutch mechanism of electric sliding rails.
背景技术Background technique
伴随着汽车行业的发展，乘客对于车辆座椅的功能性要求越来越多；座椅滑轨主要是连接座椅的座盆和车底板，实现座椅的前后调节，乘客可根据自身的需求将座椅调节至最舒适位置；且对于七座中排座椅和单门的前排座椅，为了便于后排进入，均会要求座椅具备快速前后调节功能。With the development of the automobile industry, passengers have more and more functional requirements for vehicle seats; the seat slide rail is mainly connected to the seat basin and the vehicle floor to realize the front and rear adjustment of the seat, and passengers can according to their own needs Adjust the seat to the most comfortable position; and for the seven-seat middle-row seat and the single-door front seat, in order to facilitate rear entry, the seat will be required to have a fast front and rear adjustment function.
目前市场上现有电动滑轨的结构，该滑轨主要由内滑轨、外滑轨、传动机构和电机组成，在此方案中，可通过电机驱动传动机构，进而带动内滑轨前后移动，实现滑轨的电动调节；滑轨的调节速度由电机的转速和传动机构的传动比决定，但调节速度是定值，无法实现快速调节功能。At present, the structure of the existing electric slide rail on the market is mainly composed of an inner slide rail, an outer slide rail, a transmission mechanism and a motor. In this solution, the transmission mechanism can be driven by the motor to drive the inner slide rail to move forward and backward. Realize the electric adjustment of the slide rail; the adjustment speed of the slide rail is determined by the speed of the motor and the transmission ratio of the transmission mechanism, but the adjustment speed is a fixed value, and the fast adjustment function cannot be realized.
可以理解，要实现快速调节，就要解除电机与滑轨之间的传动关系，这样，才能够通过手动方式实现座椅的快速位移，而为了不影响电动调节的正常运作，就需要一个能够实现电机与滑轨之间动力接合和分离的离合机构，在不需要快速调节时，通过该离合机构，可以实现电机与滑轨之间的动力连接，而当需要快速调节时，则可以通过该离合机构来解除电机与滑轨之间的动力连接。It is understandable that in order to achieve rapid adjustment, the transmission relationship between the motor and the slide rail must be released, so that the rapid displacement of the seat can be achieved manually, and in order not to affect the normal operation of the electric adjustment, a The clutch mechanism for dynamic coupling and separation between the motor and the slide rail. When quick adjustment is not required, the power connection between the motor and the slide rail can be realized through the clutch mechanism. When quick adjustment is required, the clutch mechanism can be used Mechanism to release the power connection between the motor and the slide rail.
因此，如何提供这样的一种离合机构，仍是本领域技术人员需要解决的技术问题。Therefore, how to provide such a clutch mechanism is still a technical problem to be solved by those skilled in the art.
发明内容Summary of the invention
本发明的目的是提供一种电动滑轨的离合机构，能够实现电机与传动机构之间传动连接的配合和脱离，使得采用了电动滑轨的座椅也能够进行快速调节。The purpose of the present invention is to provide a clutch mechanism of an electric slide rail, which can realize the matching and disengagement of the transmission connection between the motor and the transmission mechanism, so that the seat adopting the electric slide rail can also be adjusted quickly.
为解决上述技术问题，本发明提供一种电动滑轨的离合机构，所述电动滑轨包括电机和两个滑轨总成，各所述滑轨总成均包括外滑轨、内滑轨和传动机构，所述传动机构包括传动连接的第一传动件和第二传动件，所述第一传动件与所述外滑轨固定，所述离合机构包括：固定部，分别与座椅和所述内滑轨固定；驱动部，与所述电机传动连接，并能够在所述电机的带动下进行转动；离合件，滑动连接于所述驱动部，以与所述第二传动件配合或脱离，并能够随所述驱动部进行同步转动；配合状态下，所述离合件与所述第二传动件传动连接，所述第二传动件与所述第一传动件相配合，能够带动所述内滑轨相对所述外滑轨进行滑动。In order to solve the above technical problems, the present invention provides a clutch mechanism for an electric slide rail. The electric slide rail includes a motor and two slide rail assemblies. Each of the slide rail assemblies includes an outer slide rail, an inner slide rail and A transmission mechanism, the transmission mechanism includes a first transmission member and a second transmission member that are connected in transmission, the first transmission member is fixed to the outer slide rail, and the clutch mechanism includes: a fixing part which is respectively connected to the seat and the seat The inner slide rail is fixed; the driving part is connected to the motor in transmission and can be rotated under the drive of the motor; the clutch part is slidably connected to the driving part to cooperate with or disengage from the second transmission part , And can rotate synchronously with the driving part; in the mating state, the clutch part is drivingly connected with the second transmission part, and the second transmission part cooperates with the first transmission part to drive the The inner slide rail slides relative to the outer slide rail.
采用这种结构，通过操作离合件，可以实现电机与传动机构之间传动连接的配合或脱离，使得采用了电动滑轨的座椅也能够进行快速调节。With this structure, by operating the clutch, the drive connection between the motor and the transmission mechanism can be matched or disengaged, so that the seat using the electric slide rail can also be adjusted quickly.
可选地，所述驱动部包括旋转套筒，所述离合件的离合端能够穿过所述旋转套筒，并可沿所述旋转套筒的轴向进行滑动。Optionally, the driving part includes a rotating sleeve, and the clutch end of the clutch member can pass through the rotating sleeve and can slide along the axial direction of the rotating sleeve.
可选地，所述旋转套筒的一端固设有封板，另一端设有旋转法兰，所述封板和所述旋转法兰分别设有与所述离合件相适配的限位孔，所述离合件的离合端能够依次穿过所述封板和所述旋转法兰的限位孔并与所述第二传动件配合，所述离合件的驱动端位于所述旋转套筒外；所述离合件的外壁还设有限位结构，且所述限位结构和所述封板之间还设有复位弹簧，所述离合件与所述第二传动件处于脱离状态时，所述复位弹簧处于变形状态。Optionally, one end of the rotating sleeve is fixedly provided with a sealing plate, and the other end is provided with a rotating flange, and the sealing plate and the rotating flange are respectively provided with a limiting hole adapted to the clutch member , The clutch end of the clutch member can sequentially pass through the sealing plate and the limiting hole of the rotating flange and cooperate with the second transmission member, and the driving end of the clutch member is located outside the rotating sleeve The outer wall of the clutch member is also provided with a limiting structure, and a return spring is also provided between the limiting structure and the sealing plate. When the clutch member is in a disengaged state from the second transmission member, the The return spring is in a deformed state.
可选地，所述离合件包括四根离合杆，所述第二传动件设有条形连接块，四根所述离合杆沿周向均匀设置，四根所述离合杆的外壁分别套设有所述复位弹簧；配合状态下，各所述离合杆中，两根所述离合杆的离合端位于所述条形连接块的一侧，另两根所述离合杆的离合端位于所述条形连接块的另一侧，以夹持所述条形连接块。Optionally, the clutch includes four clutch rods, the second transmission part is provided with a bar-shaped connecting block, the four clutch rods are evenly arranged in the circumferential direction, and the outer walls of the four clutch rods are respectively sleeved There is the return spring; in the mated state, in each of the clutch rods, the clutch ends of two clutch rods are located on one side of the bar-shaped connecting block, and the clutch ends of the other two clutch rods are located on the The other side of the bar-shaped connecting block is used to clamp the bar-shaped connecting block.
可选地，所述离合机构还包括传动轴，所述传动轴的一端与所述电机的转轴传动连接，另一端穿插在四根所述离合杆围合的空间、并与所述旋 转套筒同轴传动。Optionally, the clutch mechanism further includes a transmission shaft, one end of the transmission shaft is drivingly connected to the rotating shaft of the motor, and the other end is inserted in the space enclosed by the four clutch rods and is connected to the rotating sleeve Coaxial transmission.
可选地，所述驱动部还设有定位销，所述旋转套筒的筒壁和所述旋转法兰的侧壁分别对应设有定位孔，所述定位孔与所述定位销相适配。Optionally, the driving part is further provided with a positioning pin, the cylinder wall of the rotating sleeve and the side wall of the rotating flange are respectively provided with positioning holes, and the positioning holes are matched with the positioning pins .
可选地，所述固定部包括固定套筒，所述旋转套筒套设于所述固定套筒内，并能够相对于所述固定套筒转动，所述旋转套筒和所述固定套筒之间涂有润滑油脂。Optionally, the fixed portion includes a fixed sleeve, the rotating sleeve is sleeved in the fixed sleeve and can rotate relative to the fixed sleeve, the rotating sleeve and the fixed sleeve Lubricating grease is applied between them.
可选地，还包括滑动件，所述滑动件位于所述离合件的驱动端和所述固定部之间，所述滑动件能够作用于所述驱动端，并至少能够用于带动所述离合件与所述第二传动件脱离。Optionally, it further includes a sliding member, the sliding member is located between the driving end of the clutch and the fixed part, the sliding member can act on the driving end, and at least can be used to drive the clutch Part is separated from the second transmission part.
可选地，所述滑动件还设有导向结构，所述滑动件在所述导向结构的作用下能够沿所述驱动部的轴线方向移动。Optionally, the sliding member is further provided with a guiding structure, and the sliding member can move along the axial direction of the driving part under the action of the guiding structure.
可选地，还包括拉簧，所述拉簧的两端分别与所述滑动件及所述固定部固定，所述滑动件能够在所述拉簧的作用下与所述离合件的驱动端脱离。Optionally, it further includes a tension spring, both ends of the tension spring are respectively fixed to the sliding member and the fixing portion, and the sliding member can interact with the driving end of the clutch member under the action of the tension spring. Break away.
附图说明Description of the drawings
图1为电动滑轨的一种具体实施方式的结构示意图；Figure 1 is a schematic structural diagram of a specific embodiment of an electric slide rail;
图2为滑轨总成与本发明所提供离合机构的连接结构的***图；Figure 2 is an exploded view of the connecting structure of the slide rail assembly and the clutch mechanism provided by the present invention;
图3为本发明所提供离合机构的一种具体实施方式的结构示意图；3 is a schematic structural diagram of a specific implementation of the clutch mechanism provided by the present invention;
图4为图3在A-A方向的剖视图；Figure 4 is a cross-sectional view of Figure 3 in the A-A direction;
图5为图3在B-B方向的剖视图；Figure 5 is a cross-sectional view of Figure 3 in the direction B-B;
图6为图3在C-C方向的视图；Figure 6 is a view of Figure 3 in the direction of C-C;
图7为图3的右视图；Figure 7 is a right side view of Figure 3;
图8为图3的***图。Figure 8 is an exploded view of Figure 3.
附图1-8中，附图标记说明如下：In Figures 1-8, the reference signs are described as follows:
100-滑轨总成；200-电机；300-支架；100-slide rail assembly; 200-motor; 300-support;
10-驱动装置；20-外滑轨；30-内滑轨；40-齿轮箱，401-条形连接块，402-固定支架，403-盖板；50-丝杆，501-前支座，502-后支座；10-drive device; 20-outer slide rail; 30-inner slide rail; 40-gear box, 401-bar connecting block, 402-fixed bracket, 403-cover plate; 50-screw, 501-front support, 502-rear bearing;
1-固定部，11-固定套筒，12-固定板；1- fixed part, 11- fixed sleeve, 12- fixed plate;
2-锁定部，21-锁卡，22-转轴，23-扭簧，24-锁体；2-locking part, 21-locking card, 22-rotating shaft, 23-torsion spring, 24-lock body;
3-旋转套筒，31-封板，32-旋转法兰，321-定位孔，322-定位销，33-复位弹簧，34-轴孔，35-限位孔；3-rotating sleeve, 31-sealing plate, 32-rotating flange, 321-positioning hole, 322-positioning pin, 33-return spring, 34-shaft hole, 35-limiting hole;
4-离合件，41-限位结构，42-离合杆，421-离合端，422-驱动端，423-挡板；4-clutch, 41-limiting structure, 42-clutch lever, 421-clutch end, 422-drive end, 423-baffle plate;
5-传动轴；5- drive shaft;
6-连杆；6-connecting rod;
7-滑动件，71-导向结构；7-slide, 71-guide structure;
8-拉线。8- Pull the line.
具体实施方式Detailed ways
为了使本领域的技术人员更好地理解本发明的技术方案，下面结合附图和具体实施例对本发明作进一步的详细说明。In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments.
请参考图1-8，图1为电动滑轨的一种具体实施方式的结构示意图，图2为滑轨总成与本发明所提供离合机构的连接结构的***图，图3为本发明所提供离合机构的一种具体实施方式的结构示意图，图4为图3在A-A方向的剖视图，图5为图3在B-B方向的剖视图，图6为图3在C-C方向的视图，图7为图3的右视图，图8为图3的***图。Please refer to Figures 1-8, Figure 1 is a schematic structural diagram of a specific embodiment of the electric slide rail, Figure 2 is an exploded view of the connection structure of the slide rail assembly and the clutch mechanism provided by the present invention, and Figure 3 is the present invention A schematic structural diagram of a specific embodiment of the clutch mechanism is provided. FIG. 4 is a cross-sectional view in the AA direction of FIG. 3, FIG. 5 is a cross-sectional view in the BB direction of FIG. 3, FIG. 6 is a view in the CC direction of FIG. 3, and FIG. 3 is the right view, and Figure 8 is the exploded view of Figure 3.
本发明实施例提供了一种电动滑轨的离合机构，该电动滑轨用于车辆内部座椅的调节，如图1所示，车辆座椅的电动滑轨包括电机200和两个滑轨总成100，其中，两个滑轨总成100对称设于电机200的两侧，具体的，如图2所示，该滑轨总成100包括外滑轨20、内滑轨30、传动机构和驱动装置10，其中，驱动装置10包括离合机构和锁定部2，离合机构包括固定部1、旋转套筒3(即驱动部)和离合件4，固定部1分别与座椅的座盆及内滑轨30固定，传动机构包括相互适配的第一传动件和第二传动件，第一传动件与外滑轨20固定，锁定部2用于锁定内滑轨30和第二传动件；离合件4能够作用于驱动部和第二传动件之间，以使驱动部和第二传动件配合或脱离。The embodiment of the present invention provides a clutch mechanism for an electric sliding rail, which is used for adjusting the internal seat of a vehicle. As shown in FIG. 1, the electric sliding rail of the vehicle seat includes a motor 200 and two sliding rail assemblies. Two slide rail assemblies 100 are symmetrically arranged on both sides of the motor 200. Specifically, as shown in FIG. 2, the slide rail assembly 100 includes an outer slide rail 20, an inner slide rail 30, a transmission mechanism and The driving device 10, wherein the driving device 10 includes a clutch mechanism and a locking part 2. The clutch mechanism includes a fixed part 1, a rotating sleeve 3 (that is, a driving part) and a clutch part 4, and the fixed part 1 is respectively connected to the seat basin and inner The slide rail 30 is fixed, and the transmission mechanism includes a first transmission member and a second transmission member that are adapted to each other. The first transmission member is fixed to the outer slide rail 20, and the locking portion 2 is used to lock the inner slide rail 30 and the second transmission member; The member 4 can act between the driving part and the second transmission part, so that the driving part and the second transmission part are matched or disengaged.
具体的，固定部1与座椅的支架300固定，且固定部1通过固定螺栓 与内滑轨30固定，锁定部2用于锁定内滑轨30和第二传动件，当锁定部2处于锁定状态下，且驱动部与第二传动件配合(动力接合)时，该电动滑轨处于常规状态，电机200驱动驱动部转动时，驱动部能够作用于第二传动件，并通过第二传动件带动内滑轨30相对于外滑轨20滑动。即通过电机200驱动座椅向前或向后滑动，此时的滑动速度可根据电机200的转速等决定，而当锁定部2处于解锁状态下且离合件4与第二传动件脱离(动力断开)时，内滑轨30和驱动装置10完全与外滑轨20和传动机构脱离，使得内滑轨30和驱动装置10的前后移动不受任何限制，即座椅的前后滑动不再受限制，此时，可通过向前或向后推动座椅，以快速地调节座椅的前后位置。Specifically, the fixing part 1 is fixed to the bracket 300 of the seat, and the fixing part 1 is fixed to the inner sliding rail 30 by fixing bolts. The locking part 2 is used to lock the inner sliding rail 30 and the second transmission member. When the locking part 2 is locked In the state and when the driving part is engaged with the second transmission part (power engagement), the electric slide rail is in a normal state. When the motor 200 drives the driving part to rotate, the driving part can act on the second transmission part and pass through the second transmission part. The inner slide rail 30 is driven to slide relative to the outer slide rail 20. That is, the motor 200 drives the seat to slide forward or backward. The sliding speed at this time can be determined according to the rotation speed of the motor 200. When the locking part 2 is in the unlocked state and the clutch 4 is disengaged from the second transmission member (power off) When open), the inner slide rail 30 and the driving device 10 are completely separated from the outer slide rail 20 and the transmission mechanism, so that the front and rear movement of the inner slide rail 30 and the driving device 10 is not restricted, that is, the front and rear sliding of the seat is no longer restricted At this time, you can quickly adjust the front and rear position of the seat by pushing the seat forward or backward.
也就是说，当需要将座椅快速地向前或向后调节时，解锁锁定部2同时使得离合件4与第二传动件脱离，然后推动座椅调节至适当位置即可，当乘客上车或下车后等不再需要快速调节座椅位置时，移动座椅并将锁定部2重新锁定内滑轨30和第二传动件，同时将离合件4与第二传动件配合即可恢复该电动滑轨的常规状态，通过电机200驱动实现座椅的前后位置的调节。That is to say, when the seat needs to be adjusted forward or backward quickly, unlock the locking portion 2 while disengaging the clutch 4 from the second transmission member, and then push the seat to adjust to a proper position. Or when you no longer need to adjust the seat position quickly after getting off the car, move the seat and re-lock the inner slide 30 and the second transmission member with the locking part 2, and at the same time, the clutch member 4 can be restored by matching the second transmission member. In the normal state of the electric slide rail, the adjustment of the front and rear position of the seat is realized by the drive of the motor 200.
通过本实施例所提供的离合机构，使得该电动滑轨在现有的电动滑轨的基础上具有快速调节座椅前后位置的功能，其能够在特殊情况下，如在具有七座中排座椅和单门的前排座椅的车辆中，能够通过快速地调节座椅的前后位置，便于后排乘客的上车入座或下车，以满足乘客的需求。Through the clutch mechanism provided in this embodiment, the electric slide rail has the function of quickly adjusting the front and rear position of the seat on the basis of the existing electric slide rail. It can be used in special circumstances, such as a seven-seater middle row seat. In vehicles with seats and single-door front seats, the front and rear positions of the seats can be quickly adjusted to facilitate the boarding or getting off of rear passengers to meet the needs of passengers.
在上述实施例中，驱动部包括旋转套筒3，离合件4包括离合端421和驱动端422，其中，离合件4的离合端421能够穿过旋转套筒3并可沿旋转套筒3的轴向移动，以与上述第二传动件配合或脱离。当离合件4与第二传动件处于配合状态下时，旋转套筒3的转动能够通过离合件4带动第二传动件转动，而当离合件4与第二传动件处于脱离状态下时，旋转套筒3的转动不能够带动第二传动件转动。具体的，通过推拉驱动端422可实现离合端421与第二传动件的配合和脱离。In the above embodiment, the driving part includes the rotating sleeve 3, and the clutch 4 includes a clutch end 421 and a driving end 422, wherein the clutch end 421 of the clutch 4 can pass through the rotating sleeve 3 and can run along the axis of the rotating sleeve 3. Move in the axial direction to fit or disengage from the second transmission member. When the clutch 4 and the second transmission member are in the mating state, the rotation of the rotating sleeve 3 can drive the second transmission member to rotate through the clutch 4, and when the clutch 4 and the second transmission member are in the disengaged state, the rotation The rotation of the sleeve 3 cannot drive the second transmission member to rotate. Specifically, the coupling and disengagement of the clutch end 421 and the second transmission member can be realized by pushing and pulling the driving end 422.
当然，本实施例中，对于离合件4和驱动部的结构不做限制，如还可将驱动部设置为轴结构，其朝向内滑轨30和外滑轨20的一端设有第一齿轮，第二传动件设有第二齿轮，离合件4设有第三齿轮，当离合件4的第 三齿轮同时与第一齿轮和第二齿轮啮合(离合件4与第二传动件配合)时，驱动部的转动能够带动第二传动件的转动。而将驱动部设置为旋转套筒3，离合件4可沿该旋转套筒3的轴向移动并与第二传动件配合，以实现旋转套筒3的转动可带动第二传动件的转动的方案可简化整体结构，无需增设对于该离合件4的支撑和运动路径，使得整体结构更为简单、占用空间较小，便于布置。Of course, in this embodiment, there is no restriction on the structure of the clutch 4 and the driving part. For example, the driving part can also be configured as a shaft structure, and the end facing the inner slide rail 30 and the outer slide rail 20 is provided with a first gear. The second transmission member is provided with a second gear, and the clutch member 4 is provided with a third gear. When the third gear of the clutch member 4 meshes with the first gear and the second gear at the same time (the clutch member 4 cooperates with the second transmission member), The rotation of the driving part can drive the rotation of the second transmission member. The driving part is set as the rotating sleeve 3, and the clutch 4 can move along the axial direction of the rotating sleeve 3 and cooperate with the second transmission member to realize that the rotation of the rotation sleeve 3 can drive the rotation of the second transmission member. The solution can simplify the overall structure without adding a support and movement path for the clutch 4, making the overall structure simpler, occupying less space, and convenient for layout.
在上述实施例中，旋转套筒3的一端固设有封板31，另一端设有旋转法兰32，封板31和旋转法兰32分别设有与离合件4相适配的限位孔35，离合件4的离合端421能够依次穿过封板31和旋转法兰32的限位孔35并与第二传动件配合，并且该离合件4的离合端421能够在旋转套筒3内沿该旋转套筒3的轴向移动，而离合件4的驱动端422位于封板31的外侧即旋转套筒3的外侧。其中，封板31和旋转法兰32的限位孔35能够对离合件4进行定位，避免其在随旋转套筒3内转动的过程中产生弯曲或偏移的情况，从而够保证离合端421能够与第二传动件配合。离合件4的外壁设有限位结构41，且限位结构41和封板31之间还设有复位弹簧33。In the above-mentioned embodiment, one end of the rotating sleeve 3 is fixedly provided with a sealing plate 31, and the other end is provided with a rotating flange 32. The sealing plate 31 and the rotating flange 32 are respectively provided with a limit hole adapted to the clutch 4 35. The clutch end 421 of the clutch member 4 can pass through the sealing plate 31 and the limiting hole 35 of the rotating flange 32 in sequence and cooperate with the second transmission member, and the clutch end 421 of the clutch member 4 can be in the rotating sleeve 3 It moves along the axial direction of the rotating sleeve 3, and the driving end 422 of the clutch 4 is located outside the sealing plate 31, that is, outside the rotating sleeve 3. Among them, the sealing plate 31 and the limiting hole 35 of the rotating flange 32 can position the clutch 4 to avoid bending or offset during the rotation of the rotating sleeve 3, thereby ensuring the clutch end 421 It can cooperate with the second transmission member. The outer wall of the clutch 4 is provided with a limiting structure 41, and a return spring 33 is also provided between the limiting structure 41 and the sealing plate 31.
当需要快速移动座椅时，通过外力作用使得离合件4沿轴向向远离第二传动件的一侧移动至离合端421与第二传动件脱离，在此过程中，限位结构41向封板31的一侧移动使得复位弹簧33被压缩，而当撤除对离合件4的驱动端422的外力作用时，处于压缩状态的复位弹簧33将通过限位结构41推动离合件4向第二传动件的一侧移动，直至离合端421与第二传动件配合。复位弹簧33的设置使得在对座椅快速调整后，无需人工操作即可快速实现离合件4与第二传动件配合。具体的，对于限位结构41不做限制，如可将其设置为台阶结构，复位弹簧33与台阶面抵接，或者将其设置为设于离合件4外壁的卡件均可，在此不做具体限制。并且，封板31和旋转法兰32的限位孔35的孔径可以相同也可以不同，具体可根据离合件4的结构进行设置，但封板31和旋转法兰32的限位孔35需一一对应并同轴。When the seat needs to be moved quickly, the clutch member 4 is moved axially away from the second transmission member by external force until the clutch end 421 is separated from the second transmission member. In this process, the limiting structure 41 is closed The movement of one side of the plate 31 causes the return spring 33 to be compressed, and when the external force on the driving end 422 of the clutch 4 is removed, the return spring 33 in the compressed state will push the clutch 4 to the second transmission through the limiting structure 41 One side of the member moves until the clutch end 421 is matched with the second transmission member. The setting of the return spring 33 enables the clutch member 4 to cooperate with the second transmission member quickly without manual operation after the seat is quickly adjusted. Specifically, there is no restriction on the limiting structure 41. For example, it can be set as a stepped structure, the return spring 33 abuts against the stepped surface, or it can be set as a clip provided on the outer wall of the clutch 4, which is not here. Make specific restrictions. In addition, the apertures of the limiting holes 35 of the sealing plate 31 and the rotating flange 32 may be the same or different, which can be set according to the structure of the clutch 4, but the limiting holes 35 of the sealing plate 31 and the rotating flange 32 need one One correspondence and coaxial.
需要指出，在推动离合件4远离第二传动件，以解除离合件4与第二传动件之间动力接合关系时，复位弹簧33也可以处于拉伸状态，这具体与复位弹簧33在旋转套筒3内的设置位置有关。It should be pointed out that when the clutch 4 is pushed away from the second transmission member to release the power engagement relationship between the clutch 4 and the second transmission member, the return spring 33 can also be in a stretched state, which is specifically related to the return spring 33 in the rotating sleeve. The setting position in the barrel 3 is related.
在上述实施例中，离合件4包括四根离合杆42，第二传动件设有条形 连接块401，四根离合杆42沿周向均匀设置，且相邻两个离合杆42之间的距离大于条形连接块401的宽度；四根离合杆42的外壁分别套设有上述复位弹簧33。相应的，封板31和旋转法兰32分别沿周向对应设有四个限位孔35，并且封板31的限位孔35的孔径要小于复位弹簧33的孔径。In the above embodiment, the clutch 4 includes four clutch levers 42, the second transmission member is provided with a bar-shaped connecting block 401, and the four clutch levers 42 are evenly arranged in the circumferential direction, and the distance between the two adjacent clutch levers 42 The distance is greater than the width of the strip-shaped connecting block 401; the outer walls of the four clutch rods 42 are respectively sleeved with the above-mentioned return spring 33. Correspondingly, the sealing plate 31 and the rotating flange 32 are respectively provided with four limiting holes 35 along the circumferential direction, and the aperture of the limiting hole 35 of the sealing plate 31 is smaller than the aperture of the return spring 33.
当然，本实施例中，还可以将该离合件4设置为其它数量的离合杆42的结构，如当离合杆42的数量为一根时，该离合杆42的离合端421设有与条形连接块401相适配的卡槽，通过卡槽与条形连接块401的配合和脱离实现离合件4与第二传动件的配合和脱离即可；当离合杆42的数量为两根时，两根离合杆42的离合端421之间的距离大于条形连接块401的宽度，使得当两根离合杆42的离合端421分别位于条形连接块401的两侧时，旋转套筒3带动两根离合杆42转动时即可带动第二传动件转动；而当离合杆42的数量为三根或三根以上时，相邻两根离合杆42之间的距离大于条形连接块401的宽度即可。Of course, in this embodiment, the clutch 4 can also be configured with other numbers of clutch rods 42. For example, when the number of clutch rods 42 is one, the clutch end 421 of the clutch rod 42 is provided with a strip-shaped structure. For the matching slot of the connecting block 401, the engagement and disengagement of the clutch member 4 and the second transmission member can be realized by the fitting and disengagement of the slot and the bar-shaped connecting block 401; when the number of clutch rods 42 is two, The distance between the clutch ends 421 of the two clutch rods 42 is greater than the width of the strip-shaped connecting block 401, so that when the clutch ends 421 of the two clutch rods 42 are located on both sides of the strip-shaped connecting block 401, the rotating sleeve 3 drives When two clutch levers 42 rotate, the second transmission member can be driven to rotate; and when the number of clutch levers 42 is three or more, the distance between two adjacent clutch levers 42 is greater than the width of the bar-shaped connecting block 401. can.
而将离合杆42的数量设置为四根时，在离合件4的离合端421与条形连接块401之间初始配合时，可保证有两根离合杆42分别位于条形连接块401的两侧，另外两根离合杆42可以分别位于条形连接块401的两侧也可以与条形连接块401抵接(抵接状态下压缩复位弹簧33)，当旋转套筒3带动各离合杆42转动时，离合杆42相对于条形连接块401转动，由于已经有两根离合杆42能够带动第二传动件转动，此时，在复位弹簧33的作用下，使得原抵接于条形连接块401的两根离合杆42转动至位于条形连接块401的两侧，从而保证条形连接块401的两侧分别有两根离合杆42，第二传动件与离合件4的配合更稳定。将离合件4设置为四根离合杆42的方案相对于三根或三根以下数量的离合杆42的方案来说，可保证在离合件4与条形连接块401初始配合时，条形连接块401的两侧分别设有至少一根离合杆42，而相对于五根或五根以上数量的离合杆42的方案来说，可简化整体结构，减小占用空间。When the number of clutch rods 42 is set to four, when the clutch end 421 of the clutch 4 is initially fitted with the bar-shaped connecting block 401, it can be ensured that there are two clutch rods 42 respectively located at two of the bar-shaped connecting block 401. On the other hand, the other two clutch rods 42 can be respectively located on both sides of the bar-shaped connecting block 401 or abut against the bar-shaped connecting block 401 (compressing the return spring 33 in the abutting state). When the rotating sleeve 3 drives each clutch lever 42 When rotating, the clutch lever 42 rotates relative to the bar-shaped connecting block 401. Since there are already two clutch levers 42 that can drive the second transmission member to rotate, at this time, under the action of the return spring 33, the original abutting on the bar-shaped connection The two clutch rods 42 of the block 401 are rotated to be located on both sides of the bar-shaped connecting block 401, so as to ensure that there are two clutch rods 42 on both sides of the bar-shaped connecting block 401, and the cooperation between the second transmission part and the clutch part 4 is more stable . The solution of setting the clutch 4 as four clutch rods 42 is compared with the solution of three or less clutch rods 42, which can ensure that the strip connecting block 401 is initially matched with the strip connecting block 401. At least one clutch rod 42 is provided on both sides of the, and compared to the solution with five or more clutch rods 42, the overall structure can be simplified and the occupied space is reduced.
在上述实施例中，离合机构还可以包括传动轴5，该传动轴5的一端用于与电机200连接，另一端穿过上述四根离合杆42围合的空间，并与旋转套筒3同轴传动。也就是说，旋转套筒3远离第二传动件的一端设有能够与传动轴5同轴传动的轴孔34(如图7)，传动轴5连接于电机200和轴 孔34之间，并可在电机200的驱动下带动旋转套筒3转动。如此设置，可实现传动轴5与离合件4的同轴转动，同时，二者互不干涉。轴孔34可以为非圆孔，相应地，传动轴5与轴孔34的连接端部也可以为相匹配的非圆柱部，以在传动轴5与轴孔34相插接时，传动轴5能够与轴孔34相配合，来带动旋转套筒3进行转动。In the above embodiment, the clutch mechanism may further include a transmission shaft 5, one end of which is used to connect with the motor 200, and the other end passes through the space enclosed by the four clutch rods 42 and is the same as the rotating sleeve 3. Shaft drive. In other words, the end of the rotating sleeve 3 away from the second transmission member is provided with a shaft hole 34 (as shown in FIG. 7) capable of coaxial transmission with the transmission shaft 5, and the transmission shaft 5 is connected between the motor 200 and the shaft hole 34, and The rotating sleeve 3 can be driven to rotate under the drive of the motor 200. With this arrangement, the coaxial rotation of the transmission shaft 5 and the clutch 4 can be realized, and at the same time, the two do not interfere with each other. The shaft hole 34 may be a non-circular hole. Correspondingly, the connecting end of the transmission shaft 5 and the shaft hole 34 may also be a matching non-cylindrical part, so that when the transmission shaft 5 is inserted into the shaft hole 34, the transmission shaft 5 It can be matched with the shaft hole 34 to drive the rotating sleeve 3 to rotate.
在上述实施例中，驱动部还设有定位销322，同时，旋转套筒3的筒壁和旋转法兰32的侧壁分别对应设有定位孔321，该定位孔321与定位销322相适配，离合件4的离合端421从封板31的一侧穿入旋转套筒3内，驱动端422位于封板31的外侧，复位弹簧33从旋转套筒3朝向旋转法兰32的一侧装入限位套筒内后，复位弹簧33朝向旋转法兰32的一端与离合件4的限位结构41固定，再安装旋转法兰32，并通过定位销322固定，定位销322的设置能够使得旋转法兰32与旋转套筒3同步转动，并带动各离合杆42同步转动，便于对离合杆42的转动进行精确控制。定位销322与定位孔321之间可以为过盈配合，或者，也可以采用焊接等方式进行固定。In the above-mentioned embodiment, the driving part is also provided with a positioning pin 322. At the same time, the cylinder wall of the rotating sleeve 3 and the side wall of the rotating flange 32 are respectively provided with positioning holes 321, and the positioning holes 321 are compatible with the positioning pins 322. The clutch end 421 of the clutch 4 penetrates into the rotating sleeve 3 from one side of the sealing plate 31, the driving end 422 is located outside the sealing plate 31, and the return spring 33 is from the rotating sleeve 3 toward the side of the rotating flange 32 After being installed in the limiting sleeve, the end of the return spring 33 facing the rotating flange 32 is fixed to the limiting structure 41 of the clutch 4, and then the rotating flange 32 is installed and fixed by the positioning pin 322. The positioning pin 322 can be set The rotating flange 32 and the rotating sleeve 3 are made to rotate synchronously, and the clutch levers 42 are driven to rotate synchronously, which facilitates precise control of the rotation of the clutch lever 42. The positioning pin 322 and the positioning hole 321 may be an interference fit, or may also be fixed by welding or the like.
在上述实施例中，固定部1包括固定套筒11，旋转套筒3套设于固定套筒11内并可相对于固定套筒11转动，并且在旋转套筒3和固定套筒11之间还涂有润滑油脂。该固定套筒11用于对旋转套筒3提供径向支撑，使得旋转套筒3能够稳定地在固定套筒11内转动，二者之间涂有润滑油脂，保证旋转套筒3能够顺利滑动并且减小摩擦磨损，延长使用寿命。In the above embodiment, the fixed part 1 includes a fixed sleeve 11, and the rotating sleeve 3 is sleeved in the fixed sleeve 11 and can rotate relative to the fixed sleeve 11, and is located between the rotating sleeve 3 and the fixed sleeve 11 Also coated with grease. The fixed sleeve 11 is used to provide radial support for the rotating sleeve 3, so that the rotating sleeve 3 can stably rotate in the fixed sleeve 11, and grease is coated between the two to ensure that the rotating sleeve 3 can slide smoothly And reduce friction and wear, prolong service life.
第一传动件可以为丝杆50，第二传动件可以为与丝杆50相适配的齿轮箱40，当离合件4与齿轮箱40动力接合时，驱动部的转动能够带动齿轮箱40沿丝杆50的长度方向移动。具体的，丝杆50的前端设有前支座501、后端设有后支座502，前支座501和后支座502分别与外滑轨20固定。具体的，齿轮箱40和丝杆50之间的配合为本领域技术人员所熟知的现有技术，为节约篇幅，在此不再对齿轮箱40的内部结构进行赘述。The first transmission member may be a screw rod 50, and the second transmission member may be a gear box 40 that is adapted to the screw rod 50. When the clutch 4 is in power engagement with the gear box 40, the rotation of the driving part can drive the gear box 40 along The screw 50 moves in the longitudinal direction. Specifically, the front end of the screw 50 is provided with a front support 501, and the rear end is provided with a rear support 502. The front support 501 and the rear support 502 are respectively fixed to the outer slide rail 20. Specifically, the cooperation between the gear box 40 and the screw 50 is a prior art well known to those skilled in the art. In order to save space, the internal structure of the gear box 40 will not be repeated here.
或者，本实施例中，还可以将第一传动件设置为齿条，第二传动件设置为齿轮的结构，而齿轮箱40和丝杆50的配合稳定性更好，强度更高，保障座椅能够稳定地滑动，同时可保障该电动滑轨的使用寿命。以下以第一传动件为丝杆50，第二传动件为齿轮箱40为例进行说明。Alternatively, in this embodiment, the first transmission member may be configured as a rack and the second transmission member may be configured as a gear structure, and the gear box 40 and the screw rod 50 have better coordination stability, higher strength, and support seat The chair can slide stably and at the same time can guarantee the service life of the electric slide rail. In the following description, the first transmission member is the screw rod 50 and the second transmission member is the gear box 40 as an example.
在上述实施例中，锁定部2包括锁卡21和转轴22，齿轮箱40设有与锁卡21相适配的锁孔或锁槽(孔结构或槽结构均可)，转轴22与固定部1固定，锁卡21能够绕转轴22转动以使其穿过内滑轨30并与齿轮箱40的锁孔或锁槽配合或脱离。也就是说，内滑轨30设有通孔，锁卡21能够穿过该通孔并与齿轮箱40的锁孔或锁槽配合。当锁卡21与齿轮箱40的锁孔或凹槽配合时，该锁定部2处于锁定状态，内滑轨30和齿轮箱40固定，当锁卡21与齿轮箱40的锁孔或凹槽脱离时，该锁定部2处于解锁状态，内滑轨30和齿轮箱40脱离。In the above-mentioned embodiment, the locking part 2 includes a locking card 21 and a rotating shaft 22, the gear box 40 is provided with a locking hole or a locking slot (both hole structure or groove structure can be used) adapted to the locking card 21, the rotating shaft 22 and the fixing part 1 Fixed, the lock card 21 can rotate around the rotating shaft 22 so that it passes through the inner slide rail 30 and fits or disengages from the lock hole or lock groove of the gear box 40. In other words, the inner sliding rail 30 is provided with a through hole, and the locking clip 21 can pass through the through hole and be matched with the locking hole or the locking groove of the gear box 40. When the lock card 21 is matched with the lock hole or groove of the gear box 40, the locking portion 2 is in a locked state, and the inner slide rail 30 and the gear box 40 are fixed. When the lock card 21 is separated from the lock hole or groove of the gear box 40 At this time, the locking portion 2 is in an unlocked state, and the inner slide rail 30 and the gear box 40 are separated.
具体的，固定部1设有固定板12，该固定板12与固定套筒11固定，并且固定板12和锁卡21对应设有安装孔，转轴22为螺栓，螺栓穿过固定板12和锁卡21的安装孔后通过螺母固定，即可实现锁卡21绕转轴22转动的情况，结构简单且便于拆装操作。Specifically, the fixing part 1 is provided with a fixing plate 12, which is fixed to the fixing sleeve 11, and the fixing plate 12 and the lock card 21 are correspondingly provided with mounting holes, the rotating shaft 22 is a bolt, and the bolt passes through the fixing plate 12 and the lock. After the mounting hole of the card 21 is fixed by a nut, the lock card 21 can be rotated around the rotating shaft 22, and the structure is simple and easy to disassemble and assemble.
或者，本实施例中，还可以将该锁卡21单独设置，当需要解锁锁定部2以使内滑轨30和齿轮箱40脱离时，乘客可直接作用于锁卡21使其与锁孔或锁槽分离即可，而位置调节完成后，再将锁卡21重新穿过内滑轨30并与齿轮箱40的锁孔或锁槽配合即可。而转轴22的设置便于锁卡21与内滑轨30的通孔对应，同时，锁卡21绕转轴22转动还可避免锁卡21单独取下后丢失的情况，操作较为方便。Alternatively, in this embodiment, the lock card 21 can also be provided separately. When the locking portion 2 needs to be unlocked to disengage the inner slide 30 from the gear box 40, the passenger can directly act on the lock card 21 to make it contact with the lock hole or The lock groove can be separated, and after the position adjustment is completed, the lock card 21 can be passed through the inner slide rail 30 again and matched with the lock hole or the lock groove of the gear box 40. The setting of the rotating shaft 22 is convenient for the locking card 21 to correspond to the through hole of the inner slide rail 30. At the same time, the locking card 21 rotates around the rotating shaft 22 to avoid the situation that the locking card 21 is separately removed and lost, and the operation is more convenient.
在上述实施例中，锁定部2还包括扭簧23，该扭簧23套设于转轴22的外侧，当锁卡21与锁孔或锁槽处于脱离的状态时，扭簧23能够作用于锁卡21使其绕转轴22向齿轮箱40的一侧转动，以便于锁卡21与锁孔或锁槽配合实现锁定。该压簧的设置，便于在锁定部2处于解锁状态下，无需人工操作锁卡21即可实现锁定状态，简化人工操作。In the above embodiment, the locking portion 2 further includes a torsion spring 23, which is sleeved on the outside of the rotating shaft 22. When the lock card 21 is in a disengaged state from the lock hole or lock groove, the torsion spring 23 can act on the lock The card 21 rotates around the rotating shaft 22 to one side of the gear box 40, so that the lock card 21 can cooperate with the lock hole or the lock groove to achieve locking. The arrangement of the compression spring facilitates the realization of the locked state without manual operation of the lock card 21 when the locking portion 2 is in the unlocked state, simplifying manual operation.
在上述实施例中，齿轮箱40朝向内滑轨30的一侧还设有导向面，锁卡21能够沿该导向面移动至锁孔或锁槽，详细的讲，当将电动滑轨调节至常规状态时，需要将锁定部2重新锁定，此时，锁卡21在扭簧23的作用下绕转轴22转动并穿过内滑轨30的通孔与齿轮箱40的上表面(此处上表面是指朝向内滑轨30的一侧的表面)的导向面抵接，此时，继续移动座椅，使得锁卡21能够沿导向面继续移动直至其与锁孔或锁槽配合即可实现锁定。该导向面的设置便于精确控制该锁定部2的锁定，避免发生锁卡21 与锁孔或锁槽之间发生偏移而无法实现锁定的情况。具体的，该齿轮箱40的底部设有固定支架402，顶端还固设有盖板403，盖板403的上表面设有上述导向面，固定支架402和盖板403焊接固定并形成该齿轮箱40的固定支撑；前述的锁孔、锁槽实际上可以设置在该盖板403上。In the above embodiment, the side of the gear box 40 facing the inner slide rail 30 is also provided with a guide surface, and the lock card 21 can move to the lock hole or lock groove along the guide surface. In detail, when the electric slide rail is adjusted to In the normal state, the locking part 2 needs to be re-locked. At this time, the lock card 21 rotates around the shaft 22 under the action of the torsion spring 23 and passes through the through hole of the inner slide rail 30 and the upper surface of the gear box 40 (here on The surface refers to the surface facing the inner slide rail 30) the guide surface abuts. At this time, continue to move the seat so that the lock card 21 can continue to move along the guide surface until it fits the lock hole or lock groove. locking. The setting of the guide surface facilitates precise control of the locking of the locking portion 2 and avoids the situation that the locking card 21 and the locking hole or the locking groove are offset and cannot be locked. Specifically, the bottom of the gear box 40 is provided with a fixed bracket 402, the top is also fixed with a cover plate 403, the upper surface of the cover plate 403 is provided with the above-mentioned guide surface, the fixed bracket 402 and the cover plate 403 are welded and fixed to form the gear box 40 fixed support; the aforementioned lock holes and lock grooves can actually be set on the cover 403.
在上述实施例中，锁定部2还包括锁体24，该锁体24固设于滑轨和固定部1之间，相应的，该锁体24设有与内滑轨30的通孔对应的通孔，锁卡21能够穿过该锁体24的通孔和内滑轨30的通孔，并与齿轮箱40的锁孔或锁槽配合。具体的，该锁体24与内滑轨30焊接为一体，作为内滑轨30部分的固定支撑体，该锁体24的设置能够增加内滑轨30与固定部1的连接处以及内滑轨30与锁卡21的连接处的强度，避免由于内滑轨30的侧壁较薄在使用过程中发生损坏，进而保证该内滑轨30的使用寿命。In the above embodiment, the locking portion 2 further includes a lock body 24, which is fixed between the sliding rail and the fixing portion 1, and correspondingly, the lock body 24 is provided with a through hole corresponding to the inner sliding rail 30 Through hole, the lock clip 21 can pass through the through hole of the lock body 24 and the through hole of the inner slide rail 30 and fit with the lock hole or the lock groove of the gear box 40. Specifically, the lock body 24 is welded to the inner slide rail 30 as a whole, and serves as a fixed support for the inner slide rail 30. The arrangement of the lock body 24 can increase the connection between the inner slide rail 30 and the fixed portion 1 and the inner slide rail The strength of the connection between 30 and the lock card 21 avoids damage during use due to the thin side wall of the inner slide rail 30, thereby ensuring the service life of the inner slide rail 30.
在上述实施例中，离合机构还包括滑动件7和连杆6，其中，滑动件7位于离合件4的驱动端422和固定部1之间，滑动件7能够作用于驱动端422并带动离合件4移动以使其与齿轮脱离，连杆6的两端分别与滑动件7和锁卡21铰接，当乘客需要快速前后移动座椅时，可通过操作滑动件7向远离齿轮箱40的一侧移动，滑动件7可作用于驱动端422并带动离合件4移动使其离合端421与齿轮脱离，同时，滑动件7向远离齿轮箱40的一侧移动时还能够拉动连杆6，使得连杆6远离齿轮箱40的一侧移动，而连杆6在向远离齿轮箱40的一侧移动时能够拉动锁卡21，使得锁卡21绕转轴22转动以实现解锁，也就是说，通过操作滑动件7能够在实现离合件4的离合端421与齿轮脱离的同时，解锁锁定部2，使得内滑轨30和齿轮箱40脱离，操作较为方便。In the foregoing embodiment, the clutch mechanism further includes a sliding member 7 and a connecting rod 6, wherein the sliding member 7 is located between the driving end 422 of the clutch 4 and the fixed portion 1, and the sliding member 7 can act on the driving end 422 and drive the clutch The member 4 is moved to disengage it from the gear. The two ends of the connecting rod 6 are respectively hinged with the sliding member 7 and the lock card 21. When the passenger needs to move the seat back and forth quickly, the sliding member 7 can be moved away from the gear box 40. Side movement, the sliding member 7 can act on the driving end 422 and drive the clutch 4 to move to disengage the clutch end 421 from the gear. At the same time, the sliding member 7 can also pull the connecting rod 6 when it moves to the side away from the gear box 40, so that The connecting rod 6 moves away from the side of the gear box 40, and when the connecting rod 6 moves to the side away from the gear box 40, the locking card 21 can be pulled, so that the locking card 21 can rotate around the rotating shaft 22 to achieve unlocking, that is, through The operating slider 7 can unlock the locking portion 2 while the clutch end 421 of the clutch 4 is disengaged from the gear, so that the inner slide 30 and the gear box 40 are disengaged, and the operation is more convenient.
而当不需要快速移动座椅时，撤除对滑动件7的作用，此时，由于扭簧23的作用，使得锁卡21能够绕其转轴22转动至与齿轮箱40的锁孔或锁槽配合，即锁定部2回至锁定状态，而锁卡21的转动能够通过连杆6带动滑动件7向齿轮箱40的一侧移动，进而解除其对离合件4的驱动端422的作用，与此同时，处于压缩状态的复位弹簧33将作用于限位结构41并带动离合件4向齿轮箱40的一侧移动直至离合端421与齿轮配合。该滑动件7和连杆6的设置能够简化座椅快速移动时的操作，优化用户体验。When there is no need to move the seat quickly, the effect on the slider 7 is removed. At this time, due to the action of the torsion spring 23, the lock card 21 can rotate around its shaft 22 to fit with the lock hole or lock groove of the gear box 40 , That is, the locking part 2 returns to the locked state, and the rotation of the locking card 21 can drive the sliding member 7 to move to the side of the gear box 40 through the connecting rod 6, thereby releasing its effect on the driving end 422 of the clutch 4, and this At the same time, the return spring 33 in the compressed state will act on the limiting structure 41 and drive the clutch 4 to move to one side of the gear box 40 until the clutch end 421 matches the gear. The arrangement of the sliding member 7 and the connecting rod 6 can simplify the operation of the seat when the seat moves quickly, and optimize the user experience.
具体的，对于滑动件7的具体结构不做限制，只要其能够作用于离合 件4的驱动端422以带动离合件4向远离齿轮箱40的方向移动即可，如图3-8所示，离合件4的离合端421穿过滑动件7，而离合件4的驱动端422设有挡板423，该挡板423能够抵接于滑动件7的端面使得滑动件7在向远离齿轮箱40的一侧移动时，能够通过挡板423带动离合件4移动。当离合件4为四根离合杆42的结构时，各离合杆42的驱动端422分别设有挡板423，从而保证各离合杆42的驱动端422均位于滑动件7远离齿轮箱40的一侧。Specifically, the specific structure of the sliding member 7 is not limited, as long as it can act on the driving end 422 of the clutch 4 to drive the clutch 4 to move away from the gear box 40, as shown in Figs. 3-8, The clutch end 421 of the clutch 4 passes through the slider 7, and the drive end 422 of the clutch 4 is provided with a baffle 423, which can abut on the end surface of the slider 7 so that the slider 7 moves away from the gear box 40. When moving on one side, the baffle 423 can drive the clutch 4 to move. When the clutch 4 has a structure of four clutch levers 42, the driving end 422 of each clutch lever 42 is provided with a baffle 423 respectively, so as to ensure that the driving end 422 of each clutch lever 42 is located on the sliding member 7 away from the gear box 40. side.
在上述实施例中，滑动件7还设有导向结构71，滑动件7能够在导向结构71的作用下沿驱动部的轴线方向(旋转套筒3的轴向)移动。具体的，对于该导向结构71的结构不做限制，如本实施例中，固定套筒11的外壁与旋转套筒3的轴向平行，该导向结构71设有与固定套筒11的外壁相适配的导向槽，滑动件7在滑动时，导向槽贴紧固定套筒11的外壁，使得该滑动件7仅能够在沿旋转套筒3的轴向方向移动，从而保证离合件4的运动轨迹，避免发生偏移无法与齿轮配合的情况；或者，该导向结构71也可以为筒状，并外套于固定套筒11。当然，本实施例中，还可以通过导向杆和导向孔实现滑动件7的导向，其中，导向杆和导向孔的轴向均与旋转套筒3的轴线平行设置，且导向杆和导向孔中，一者固设于固定部1，另一者设于滑动件7以形成上述导向结构71。In the above embodiment, the sliding member 7 is further provided with a guiding structure 71, and the sliding member 7 can move along the axis direction of the driving part (the axial direction of the rotating sleeve 3) under the action of the guiding structure 71. Specifically, there is no restriction on the structure of the guide structure 71. For example, in this embodiment, the outer wall of the fixed sleeve 11 is parallel to the axial direction of the rotating sleeve 3, and the guide structure 71 is provided with the outer wall of the fixed sleeve 11. When the sliding member 7 slides, the guide groove is close to the outer wall of the fixed sleeve 11, so that the sliding member 7 can only move in the axial direction along the rotating sleeve 3, thereby ensuring the movement of the clutch 4 The trajectory avoids the situation that the deviation cannot be matched with the gear; alternatively, the guiding structure 71 can also be cylindrical and cover the fixed sleeve 11. Of course, in this embodiment, the sliding member 7 can also be guided by a guide rod and a guide hole, wherein the axial directions of the guide rod and the guide hole are parallel to the axis of the rotating sleeve 3, and the guide rod and the guide hole , One is fixed on the fixing portion 1 and the other is arranged on the sliding member 7 to form the aforementioned guiding structure 71.
在上述实施例中，驱动装置10还包括拉线8，该拉线8与滑动件7固定，也就是说，乘客可通过拉动拉线8实现离合件4与齿轮脱离并解锁锁定部2，拉线8的设置便于手动操作。In the above embodiment, the driving device 10 further includes a pull wire 8 which is fixed to the sliding member 7, that is to say, the passenger can pull the pull wire 8 to disengage the clutch 4 from the gear and unlock the locking portion 2. The pull wire 8 is set Easy to operate manually.
另外，本实施例中，离合机构还可以设有拉簧(图中未示出)，该拉簧连接于滑动件7和固定部1之间，通过该拉簧的设置能够拉动滑动件7向固定部1的一侧，使得滑动件7在无外力作用下能够紧靠固定部1并与离合件4的驱动端422脱离，避免驱动端422在转动时与滑动件7接触而发生摩擦。当然，本实施例中，通过上述连杆6的作用即可显示滑动件7的位置，而拉簧的设置可对滑动件7的位置提供辅助作用，使其能够与离合件4脱离。In addition, in this embodiment, the clutch mechanism can also be provided with a tension spring (not shown in the figure), the tension spring is connected between the sliding member 7 and the fixed portion 1, and the setting of the tension spring can pull the sliding member 7 to One side of the fixed part 1 enables the sliding part 7 to abut against the fixed part 1 and disengage from the driving end 422 of the clutch 4 without external force, so as to avoid friction between the driving end 422 and the sliding part 7 when it rotates. Of course, in this embodiment, the position of the sliding member 7 can be displayed by the action of the above-mentioned connecting rod 6, and the arrangement of the tension spring can provide an auxiliary effect on the position of the sliding member 7 so that it can be separated from the clutch 4.
以上仅是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润 饰，这些改进和润饰也应视为本发明的保护范围。The above are only the preferred embodiments of the present invention. It should be pointed out that for those of ordinary skill in the art, without departing from the principle of the present invention, several improvements and modifications can be made, and these improvements and modifications should also be considered This is the protection scope of the present invention.

Claims (10)

  1. 一种电动滑轨的离合机构，所述电动滑轨包括电机(200)和两个滑轨总成(100)，各所述滑轨总成(100)均包括外滑轨(20)、内滑轨(30)和传动机构，其特征在于，所述传动机构包括传动连接的第一传动件和第二传动件，所述第一传动件与所述外滑轨(20)固定，所述离合机构包括：A clutch mechanism for an electric slide rail, the electric slide rail includes a motor (200) and two slide rail assemblies (100), each of the slide rail assemblies (100) includes an outer slide rail (20), an inner A sliding rail (30) and a transmission mechanism, characterized in that the transmission mechanism includes a first transmission member and a second transmission member that are connected in transmission, and the first transmission member is fixed to the outer slide rail (20). The clutch mechanism includes:
    固定部(1)，分别与座椅和所述内滑轨(30)固定；The fixing part (1) is respectively fixed to the seat and the inner slide rail (30);
    驱动部，与所述电机(200)传动连接，并能够在所述电机(200)的带动下进行转动；The driving part is in transmission connection with the motor (200) and can rotate under the drive of the motor (200);
    离合件(4)，滑动连接于所述驱动部，以与所述第二传动件配合或脱离，并能够随所述驱动部进行同步转动；The clutch part (4) is slidably connected to the driving part to fit or disengage from the second transmission part and can rotate synchronously with the driving part;
    配合状态下，所述离合件(4)与所述第二传动件传动连接，所述第二传动件与所述第一传动件相配合，能够带动所述内滑轨(30)相对所述外滑轨(20)进行滑动。In the mating state, the clutch part (4) is in transmission connection with the second transmission part, and the second transmission part cooperates with the first transmission part to drive the inner slide rail (30) relative to the The outer slide rail (20) slides.
  2. 根据权利要求1所述电动滑轨的离合机构，其特征在于，所述驱动部包括旋转套筒(3)，所述离合件(4)的离合端(421)能够穿过所述旋转套筒(3)，并能够沿所述旋转套筒(3)的轴向进行滑动。The clutch mechanism of the electric slide rail according to claim 1, characterized in that the driving part comprises a rotating sleeve (3), and the clutch end (421) of the clutch member (4) can pass through the rotating sleeve (3), and can slide along the axial direction of the rotating sleeve (3).
  3. 根据权利要求2所述电动滑轨的离合机构，其特征在于，所述旋转套筒(3)的一端固设有封板(31)，另一端设有旋转法兰(32)，所述封板(31)和所述旋转法兰(32)分别设有与所述离合件(4)相适配的限位孔(35)，所述离合件(4)的离合端(421)能够依次穿过所述封板(31)和所述旋转法兰(32)的限位孔(35)并与所述第二传动件配合，所述离合件(4)的驱动端(422)位于所述旋转套筒(3)外；The clutch mechanism of the electric slide rail according to claim 2, characterized in that, one end of the rotating sleeve (3) is fixedly provided with a sealing plate (31), and the other end is provided with a rotating flange (32), and the sealing The plate (31) and the rotating flange (32) are respectively provided with limit holes (35) adapted to the clutch (4), and the clutch ends (421) of the clutch (4) can be sequentially Passing through the limiting hole (35) of the sealing plate (31) and the rotating flange (32) and mating with the second transmission member, the driving end (422) of the clutch member (4) is located at the The outside of the rotating sleeve (3);
    所述离合件(4)的外壁还设有限位结构(41)，且所述限位结构(41)和所述封板(31)之间还设有复位弹簧(33)，所述离合件(4)与所述第二传动件处于脱离状态时，所述复位弹簧(33)处于变形状态。The outer wall of the clutch (4) is also provided with a limiting structure (41), and a return spring (33) is also provided between the limiting structure (41) and the sealing plate (31), the clutch (4) When the second transmission member is in a disengaged state, the return spring (33) is in a deformed state.
  4. 根据权利要求3所述电动滑轨的离合机构，其特征在于，所述离合件(4)包括四根离合杆(42)，所述第二传动件设有条形连接块(401)，四根所述离合杆(42)沿周向均匀设置，四根所述离合杆(42)的外壁分别套设有所述复位弹簧(33)；The clutch mechanism of an electric slide rail according to claim 3, wherein the clutch member (4) includes four clutch rods (42), and the second transmission member is provided with a bar-shaped connecting block (401), The clutch rods (42) are evenly arranged along the circumferential direction, and the outer walls of the four clutch rods (42) are respectively sleeved with the return springs (33);
    配合状态下，各所述离合杆(42)中，两根所述离合杆(42)的离合端(421)位于所述条形连接块(401)的一侧，另两根所述离合杆(42)的离合端(421)位于所述条形连接块(401)的另一侧，以夹持所述条形连接块(401)。In the mated state, in each of the clutch rods (42), the clutch ends (421) of the two clutch rods (42) are located on one side of the bar-shaped connecting block (401), and the other two clutch rods The clutch end (421) of (42) is located on the other side of the strip-shaped connecting block (401) to clamp the strip-shaped connecting block (401).
  5. 根据权利要求4所述电动滑轨的离合机构，其特征在于，所述离合机构(10)还包括传动轴(5)，所述传动轴(5)的一端与所述电机(200)的转轴传动连接，另一端穿插在四根所述离合杆(42)围合的空间、并与所述旋转套筒(3)同轴传动。The clutch mechanism of the electric slide rail according to claim 4, characterized in that the clutch mechanism (10) further comprises a transmission shaft (5), one end of the transmission shaft (5) and the rotating shaft of the motor (200) Transmission connection, the other end is inserted in the space enclosed by the four clutch rods (42) and coaxially transmitted with the rotating sleeve (3).
  6. 根据权利要求3-5中任一项所述电动滑轨的离合机构，其特征在于，所述驱动部还设有定位销(322)，所述旋转套筒(3)的筒壁和所述旋转法兰(32)的侧壁分别对应设有定位孔(321)，所述定位孔(321)与所述定位销(322)相适配。The clutch mechanism of the electric slide rail according to any one of claims 3-5, characterized in that the driving part is further provided with a positioning pin (322), the cylindrical wall of the rotating sleeve (3) and the The side walls of the rotating flange (32) are respectively provided with positioning holes (321), and the positioning holes (321) are matched with the positioning pins (322).
  7. 根据权利要求2-5中任一项所述电动滑轨的离合机构，其特征在于，所述固定部(1)包括固定套筒(11)，所述旋转套筒(3)套设于所述固定套筒(11)内，并能够相对于所述固定套筒(11)转动，所述旋转套筒(3)和所述固定套筒(11)之间涂有润滑油脂。The clutch mechanism of an electric slide rail according to any one of claims 2-5, wherein the fixed portion (1) includes a fixed sleeve (11), and the rotating sleeve (3) is sleeved on the The fixed sleeve (11) is inside and can rotate relative to the fixed sleeve (11), and lubricating grease is coated between the rotating sleeve (3) and the fixed sleeve (11).
  8. 根据权利要求3-5中任一项所述电动滑轨的离合机构，其特征在于，还包括滑动件(7)，所述滑动件(7)位于所述离合件(4)的驱动端(422)和所述固定部(1)之间，所述滑动件(7)能够作用于所述驱动端(422)，并至少能够用于带动所述离合件(4)与所述第二传动件脱离。The clutch mechanism of the electric slide rail according to any one of claims 3-5, characterized in that it further comprises a sliding member (7), and the sliding member (7) is located at the driving end of the clutch member (4). 422) and the fixed portion (1), the sliding member (7) can act on the driving end (422), and at least can be used to drive the clutch member (4) and the second transmission Pieces detached.
  9. 根据权利要求8所述电动滑轨的离合机构，其特征在于，所述滑动件(7)还设有导向结构(71)，所述滑动件(7)在所述导向结构(71)的作用下能够沿所述驱动部的轴线方向移动。The clutch mechanism of the electric slide rail according to claim 8, wherein the sliding member (7) is further provided with a guide structure (71), and the sliding member (7) plays a role in the guide structure (71) The lower part can move in the axial direction of the driving part.
  10. 根据权利要求8所述电动滑轨的离合机构，其特征在于，还包括拉簧，所述拉簧的两端分别与所述滑动件(7)及所述固定部(1)固定，所述滑动件(7)能够在所述拉簧的作用下与所述离合件(4)的驱动端(422)脱离。The clutch mechanism of an electric slide rail according to claim 8, further comprising a tension spring, both ends of the tension spring are respectively fixed to the sliding member (7) and the fixing part (1), the The sliding member (7) can be separated from the driving end (422) of the clutch member (4) under the action of the tension spring.
PCT/CN2020/072386 2019-06-18 2020-01-16 Clutch mechanism of electric sliding rail WO2020253238A1 (en)

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CN201911054363.2A CN110626223B (en) 2019-06-18 2019-06-18 Clutch mechanism of electric sliding rail
CN201910528053.3A CN110103785B (en) 2019-06-18 2019-06-18 Electric sliding rail and sliding rail assembly of vehicle seat
CN201910528053.3 2019-06-18
CN201911054363.2 2019-06-18

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CN110103785B (en) 2024-01-16
WO2020253611A1 (en) 2020-12-24

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