CN114932849A - Electric folding and angle adjusting mechanism for rear-row seat and seat - Google Patents

Electric folding and angle adjusting mechanism for rear-row seat and seat Download PDF

Info

Publication number
CN114932849A
CN114932849A CN202210442130.5A CN202210442130A CN114932849A CN 114932849 A CN114932849 A CN 114932849A CN 202210442130 A CN202210442130 A CN 202210442130A CN 114932849 A CN114932849 A CN 114932849A
Authority
CN
China
Prior art keywords
toothed plate
plate
cable
driving
backrest
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
CN202210442130.5A
Other languages
Chinese (zh)
Inventor
孟庆保
董敏晔
唐勋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yanfeng International Seating Systems Co Ltd
Original Assignee
Yanfeng International Seating Systems 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 Yanfeng International Seating Systems Co Ltd filed Critical Yanfeng International Seating Systems Co Ltd
Priority to CN202210442130.5A priority Critical patent/CN114932849A/en
Publication of CN114932849A publication Critical patent/CN114932849A/en
Priority to PCT/CN2023/077557 priority patent/WO2023207286A1/en
Pending legal-status Critical Current

Links

Images

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
    • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
    • B60N2/235—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by gear-pawl type mechanisms
    • B60N2/2352—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable by gear-pawl type mechanisms with external pawls
    • 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
    • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
    • 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
    • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
    • B60N2/224—Stepwise movement mechanisms, e.g. ratchets
    • 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
    • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
    • B60N2/2245—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable provided with a lock mechanism on the upper part of the back-rest
    • 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
    • B60N2/22—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the back-rest being adjustable
    • B60N2002/2204—Adjustable back-rest height or length

Abstract

The invention discloses an electric folding and angle adjusting mechanism for a back row seat, which comprises: motor assembly, pinion rack driving disk, pinion rack price fixing, restriction piece, cable drive wheel, unblock cable, lock assembly and comfortable type adjustment mechanism, wherein, motor assembly drive cable drive wheel rotates, unlocks the lock assembly through the unblock cable, and after the lock assembly unblock, motor assembly driving motor synchronizing bar gear meshes with pinion rack driving disk and pinion rack price fixing, realizes turning over between user state and the tie position of back skeleton and turns over a book. In addition, after the backrest framework is locked on the comfortable adjusting mechanism by the lock assembly, the backrest framework can be driven to turn over by the driving end of the comfortable adjusting mechanism, and comfort adjustment is carried out. The invention also discloses a seat. According to the backrest angle adjusting device, after the lock assembly is unlocked, the backrest can be turned over and lifted by one key, meanwhile, the lock assembly is unlocked and turned over by one motor, and after the lock assembly is locked, the backrest can be adjusted in a comfortable angle.

Description

Electric folding and angle adjusting mechanism for rear-row seat and seat
Technical Field
The invention relates to the technical field of seats, in particular to an electric folding and angle adjusting mechanism for a rear-row seat and a seat.
Background
In the current back row electric seat, the functions of comfortable adjustment, one-key unlocking, electric turnover and resetting are all independently formed, and the unlocking and the electric turnover resetting of the current electric seat use two motors, so that the structure is complex and the cost is high. At present, a rear seat with three functions existing simultaneously for a split type rear backrest is not found.
Disclosure of Invention
One of the technical problems to be solved by the present invention is to provide an electric folding and angle adjusting mechanism for a back row seat, which can realize that after a lock assembly is unlocked, a backrest is folded and lifted by one key, and simultaneously realize that a motor drives the lock assembly to unlock and fold the backrest, and after the lock assembly is locked, the backrest is adjusted in a comfortable angle, aiming at the problem that no seat has three functions of a split type back backrest. The invention also has the function of hard stop point at the position after the flat-turning.
The second technical problem to be solved by the present invention is to provide a seat comprising a rear seat and an electric folding and angle adjusting mechanism.
In order to achieve the above object, the present invention provides an electric folding and angle adjusting mechanism for a rear seat, comprising:
the motor assembly is arranged on the backrest framework and is provided with a synchronous output shaft, and a motor synchronous rod gear which synchronously rotates along with the synchronous output shaft is fixed at the tail end of the synchronous output shaft;
a toothed plate moving disk axially arranged on the backrest framework, wherein a first toothed ring is arranged on the periphery of the toothed plate moving disk, and an eccentric shaft is arranged on one disk surface of the first toothed plate moving disk;
a toothed plate fixed disc is axially arranged on the backrest framework, a second toothed ring is arranged on the periphery of the toothed plate fixed disc, an eccentric waist-shaped hole is formed in the disc surface of the toothed plate fixed disc, and the toothed plate fixed disc and the toothed plate movable disc are arranged concentrically; the eccentric shaft extends into the eccentric waist-shaped hole and can move in the eccentric waist-shaped hole;
the limiting block is fixed on the toothed plate fixed disc and fixedly connected with a vehicle body so as to limit the toothed plate fixed disc to rotate;
the cable driving wheel is fixed on the synchronous output shaft;
the driving end of the unlocking cable is eccentrically connected with the cable driving wheel;
a lock assembly mounted to the back frame for locking the back; the output end of the unlocking inhaul cable is connected with the lock assembly, and when the unlocking inhaul cable is tensioned, the lock assembly is driven to unlock the backrest.
In a preferred embodiment of the present invention, the method further comprises:
the driving end of the comfortable adjusting mechanism is connected with the lock assembly in a locking way and used for locking the backrest; after the lock assembly is unlocked, the driving end of the comfortable adjusting mechanism can be separated from the lock assembly to unlock the backrest, so that the backrest framework can be folded.
In a preferred embodiment of the invention, before the motor drives the unlocking cable to unlock through the synchronous output shaft and the cable driving output wheel, the motor synchronous rod gear is only meshed with the first gear ring on the toothed plate driving disc and is not meshed with the second gear ring on the toothed plate fixed disc; after the motor drives the unlocking cable to complete the unlocking action through the synchronous output shaft and the cable driving output shaft, the motor synchronizing rod gear is meshed with the first gear ring on the toothed plate driving disc and the second gear ring on the toothed plate fixed disc simultaneously to drive the backrest framework to perform turnover movement.
In a preferred embodiment of the invention, the central angle of the first toothed ring is greater than the central angle of the second toothed ring.
In a preferred embodiment of the present invention, a difference between an arc length of the first gear ring and an arc length of the second gear ring is greater than or equal to an unlocking stroke of the unlocking cable.
In a preferred embodiment of the invention, a shaft sleeve is arranged at the center of the toothed plate fixed plate, and an inner threaded hole is arranged in the end of the shaft sleeve facing the toothed plate driving plate; the centre of a circle of pinion rack driving disk is provided with a first shaft hole be provided with a mounting panel on the back skeleton a second shaft hole has been seted up on the mounting panel, axle sleeve on the pinion rack fixed plate passes behind the shaft hole on the pinion rack driving disk, adopt one to pass the step bolt screw in second shaft hole arrives in the interior screw hole of axle sleeve, make the pinion rack fixed plate with the pinion rack driving disk axle is established on the back skeleton.
In a preferred embodiment of the invention, a first spacing bush is sleeved in the second shaft hole, and the stepped bolt penetrates through the first spacing bush.
In a preferred embodiment of the invention, a second spacing bush is sleeved in the first shaft hole, and the shaft sleeve penetrates through the second spacing bush; the pinion rack fixed plate with carry out axial spacing through the spacing bush of second between the pinion rack driving disk, the pinion rack driving disk with carry out axial spacing through first spacing bush between the mounting panel.
In a preferred embodiment of the present invention, the center of the limiting block and the shaft sleeve of the tooth plate fixed plate are through shafts, and are welded and fixed.
In a preferred embodiment of the invention, the limit block is made in one piece with the toothed plate fixed disk.
In a preferred embodiment of the invention, the synchronous motor further comprises a cover cap, the cover cap is fixed on the mounting plate by adopting a plurality of cover cap mounting bolts, and the cover cap covers the toothed plate fixed plate, the toothed plate movable plate, the synchronous output shaft and the motor synchronous rod gear; the drive ends of the stay rope drive wheel and the unlocking stay rope are positioned outside the cover cap, and the limit block penetrates out of the cover cap.
In a preferred embodiment of the present invention, a cover stop sleeve is sleeved on the cover mounting bolt for limiting the distance between the cover and the mounting plate; one of the cover limiting sleeves serves as a limiting stop point for the backrest framework to be turned between a flat-turning state and a use state, and the limiting stop point is in contact with two limiting positions in the toothed plate driving disc for limiting the flat-turning position and the use state position of the backrest framework.
In a preferred embodiment of the present invention, the comfort adjustment mechanism is an electric multi-stage lock or a manual multi-stage lock.
In a preferred embodiment of the invention, the electric multi-section lock adopts a screw-nut mechanism to drive a lock wire to move, and the lock wire is used as a driving end of the comfortable adjusting mechanism.
The chair comprises the rear backrest one-key turnover and comfortable type integral adjusting mechanism.
By adopting the technical scheme, the backrest can be turned over and lifted by one key after the lock assembly is unlocked, and simultaneously, the lock assembly is unlocked and turned over by one motor, and the backrest can be adjusted in a comfortable angle after the lock assembly is locked. The invention also has the function of hard stop point at the position after the flat-turning.
Drawings
Fig. 1 is a schematic structural view of the electric folding and angle adjusting mechanism of the rear seat of the invention installed on a backrest frame.
Fig. 2 is an exploded view of the electric folding and angle adjusting mechanism for the rear seat of the present invention.
Fig. 3 is an enlarged schematic view at I of fig. 2.
Fig. 4a is a schematic structural diagram (seen from one direction) of the toothed plate driving disk.
Fig. 4b is a schematic structural view (viewed from another direction) of the toothed plate moving disk.
Fig. 5a is a structural schematic diagram (seen from one direction) of the toothed plate and the fixed plate.
Fig. 5b is a structural schematic view of the toothed plate and the fixed plate (seen from the other direction).
Fig. 6 is a schematic structural view of the unlocking cable.
Fig. 7 is a front view of the rear seat electric folding and angle adjusting mechanism of the present invention with the toothed plate fixed plate, the toothed plate movable plate, the cable driving wheel, the synchronous output shaft, the motor synchronous rod gear and the driving end of the unlocking cable in an initial state.
Fig. 8 is a front view of the rear seat electric folding and angle adjusting mechanism of the present invention with the toothed plate fixed plate, the toothed plate movable plate, the cable driving wheel, and the motor synchronizing bar gear in an initial state.
Fig. 9 is a schematic perspective view of the toothed plate fixed plate, the toothed plate movable plate, the cable driving wheel, the synchronous output shaft, the motor synchronous rod gear and the driving end of the unlocking cable in the electric folding and angle adjusting mechanism for the rear seat in the initial state.
Fig. 10 is a rear front view of the electric folding and angle adjusting mechanism for the rear seat of the present invention, after unlocking the unlocking cable, wherein the driving ends of the toothed plate fixed plate, the toothed plate movable plate, the cable driving wheel, the synchronous output shaft, the motor synchronous rod gear and the unlocking cable are located at the unlocking end.
Fig. 11 is a front view of the rear seat electric folding and angle adjusting mechanism of the present invention, after unlocking the cable, wherein the toothed plate fixed plate, the toothed plate movable plate, the cable driving wheel, and the motor synchronizing bar gear are positioned in the unlocking cable.
Fig. 12 is a schematic perspective view of the toothed plate fixed plate, the toothed plate movable plate, the cable driving wheel, the synchronous output shaft, the motor synchronous rod gear and the driving end of the unlocking cable in the electric folding and angle adjusting mechanism for the rear seat of the invention after the unlocking of the unlocking cable is completed.
Fig. 13 is a front view of the back row seat electric folding and angle adjusting mechanism of the present invention, in which the driving ends of the toothed plate fixed plate, the toothed plate movable plate, the cable driving wheel, the synchronous output shaft, the motor synchronous lever gear, and the unlocking cable are located after the backrest frame is flattened.
Fig. 14 is a front view of the back frame of the electric folding and angle adjusting mechanism of the rear seat of the present invention, wherein the toothed plate fixed plate, the toothed plate movable plate, the cable driving wheel, and the motor synchronizing bar gear are disposed on the back frame.
Fig. 15 is a schematic perspective view of the driving ends of the toothed plate fixed plate, the toothed plate movable plate, the cable driving wheel, the synchronous output shaft, the motor synchronous rod gear and the unlocking cable of the electric folding and angle adjusting mechanism for the rear-row seat of the invention after the backrest frame is flattened.
Fig. 16 is a front view of the driving ends of the toothed plate fixed plate, the toothed plate movable plate, the cable driving wheel, the synchronous output shaft, the motor synchronous lever gear and the unlocking cable in the electric folding and angle adjusting mechanism for the rear seat of the invention in the process of returning the backrest frame from the flat-turning position to the use position.
Fig. 17 is a front view of the back frame of the electric folding and angle adjusting mechanism of the rear seat of the present invention, wherein the toothed plate fixed plate, the toothed plate movable plate, the cable driving wheel, and the motor synchronizing bar gear are in a process of returning from the flat position to the position of the use state.
Fig. 18 is a schematic perspective view of the driving ends of the toothed plate fixed plate, the toothed plate movable plate, the cable driving wheel, the synchronous output shaft, the motor synchronous lever gear and the unlocking cable in the electric folding and angle adjusting mechanism for the rear seat of the invention in the process of returning the backrest frame from the flat-turning position to the use position.
Fig. 19 is a schematic view showing comfort adjustment of the electric folding and angle adjusting mechanism for the rear seat according to the present invention.
Fig. 20 is an enlarged schematic view at I of fig. 19.
Fig. 21 is a second schematic view of the comfort adjustment of the electric folding and angle adjusting mechanism for the rear seat of the invention.
Fig. 22 is an enlarged schematic view at I of fig. 21.
Detailed Description
The invention is further described below in conjunction with the appended drawings and detailed description.
Referring to fig. 1 to 6, the electric folding and angle adjusting mechanism for a rear seat shown in the drawings includes: the motor assembly 10, the toothed plate moving disc 20, the toothed plate fixed disc 30, the limiting block 40, the cable driving wheel 50, the unlocking cable 60, the lock assembly 70, the comfortable adjusting mechanism 80 and the cover cap 100.
The motor assembly 10 is fixed on the backrest frame 90, the motor assembly 10 is provided with a synchronous output shaft 11, and a motor synchronous rod gear 12 which rotates synchronously with the synchronous output shaft 11 is fixed at the tail end of the synchronous output shaft 11 and is provided with an inner screw hole 13.
A mounting plate 91 is fixed to a suitable position of the back frame 90, and a second shaft hole 92 is opened in the mounting plate 91 and three nuts 92a, 92b, 92c are anchored.
Three cover mounting bolt holes 110, 120, 130 and a limiting block penetrating hole 140 are formed in the cover 100, and the positions of the three cover mounting bolt holes 110, 120, 130 correspond to the positions of the three nuts 92a, 92b, 92c of the mounting plate 91 one by one.
Referring to fig. 4a and fig. 4b in particular, the toothed plate moving disk 20 is a sector structure, a first gear ring 21 is disposed on the periphery of the toothed plate moving disk 20, a first shaft hole 22 is disposed in the center of the toothed plate moving disk 20, and an eccentric shaft 24 is disposed on a disk surface 23 of the first toothed plate moving disk 20. Two limit positions 25, 26 are provided on the two segment sides of the toothed plate cam 20 to define the flat position and the use position of the backrest frame 90.
Referring to fig. 3, 5a, 5b and 9 in particular, the fixed plate 30 is also in a sector structure, a second ring gear 31 is disposed on the periphery of the fixed plate 30, and a sleeve 32 is fixed at the center of the fixed plate 30. An internal threaded bore 32a is provided in the end of the bushing 32 facing the toothed plate 30. In addition, an eccentric waist-shaped hole 33 is arranged on the disk surface of the toothed plate fixed disk 30. The central angle of the second ring gear 31 is smaller than the central angle of the first ring gear 21.
A center hole 51 and an eccentric cable hole 52 are formed in the cable driving wheel 50.
During assembly, the second spacing bush 25 is sleeved in the first shaft hole 22 of the toothed plate moving disc 20, and the first spacing bush 93 is sleeved in the second shaft hole 92 of the mounting plate 91. Then, the shaft sleeve 32 on the fixed plate 30 is inserted through the second spacing bushing 25 and the eccentric shaft 24 on the movable plate 20 is inserted into the eccentric slot 33 of the fixed plate 30. The eccentric shaft 24 extends into the eccentric kidney-shaped hole 33 and can move in the eccentric kidney-shaped hole 33.
The stepped bolt 94 is then screwed into the inner threaded hole 32a of the bushing 32 through the first limit spacer 93, so that the movable plate 20 and the fixed plate 30 are axially disposed on the mounting plate 91 and the fixed plate 30 and the movable plate 20 are concentrically disposed. After the toothed plate driving disc 20 and the toothed plate fixed disc 30 are installed, the central angle of the second toothed ring 31 is smaller than the central angle of the first toothed ring 21, that is, the arc length of the second toothed ring 31 is smaller than the arc length of the first toothed ring 21, and the difference between the arc lengths is greater than or equal to the unlocking stroke of the unlocking cable 60. The pinion rack fixed plate 30 and the pinion rack movable plate 20 are axially limited through a second limiting and spacing bush 25, and the pinion rack movable plate 20 and the mounting plate 91 are axially limited through a first limiting and spacing bush 93.
When there is no unlocking and before the unlocking process and the unlocking are completed, the motor synchronizing bar gear 12 is engaged only with the first ring gear 21 and not with the second ring gear 31. Only after unlocking, the motor synchronizing bar gear 12 will engage with the first gear ring 21 and the second gear ring 31 at the same time, and drive the backrest frame 90 to perform the folding movement.
Then, a bush 53 is sleeved in a center hole 51 of the cable driving wheel 50, then the center hole 51 of the cable driving wheel 50 and the bush 53 are sleeved on the tail end of the synchronous output shaft 11, then a cable driving wheel mounting bolt 54 penetrates through the bush 53 and is screwed into an inner threaded hole 13 in the tail end of the synchronous output shaft 11, and after fastening, the cable driving wheel 50 can be fixed on the tail end of the synchronous output shaft 11, so that the cable driving wheel 50 can synchronously rotate along with the synchronous output shaft 11.
Then the driving end 61 of the unlocking cable 60 is fixed in the eccentric cable hole 52 of the cable driving wheel 50 so that the driving end 61 of the unlocking cable 60 is eccentrically connected with the cable driving wheel 50.
Fixing a limiting block 40 on one end of the shaft sleeve 32, which is far away from the toothed plate moving plate 30, wherein the center of the limiting block 40 and the shaft sleeve 32 of the toothed plate fixed plate 30 are through shafts and are welded and fixed; the limiter block 40 and the tooth plate stator 30 may also be manufactured as one piece.
Then, the three cover mounting bolts 150, 160, 170 correspondingly pass through the three cover mounting bolt holes 110, 120, 130 and the three cover limiting sleeves 180, 190, 200 and then are screwed into the three nuts 92a, 92b, 92c of the mounting plate 91 in a one-to-one correspondence manner, so that the cover 100 is mounted on the mounting plate 91, and the cover 100 covers the tooth plate fixed plate 30, the tooth plate movable plate 20, the synchronous output shaft 11, and the motor synchronous lever gear 12. The driving end 61 of the cable driving wheel 50 and the unlocking cable 60 is positioned outside the cover 100, and the cover limiting sleeves 180, 190 and 200 are used for limiting the distance between the cover 100 and the mounting plate 91; one of the cover limiting sleeves 200 serves as a limiting stop point for the backrest frame 90 to be folded between the flat-folded state and the use state.
The output 62 of the unlocking cable 60 extends out of the cover 100. After the cover 100 is assembled, the limiting block 40 is fixedly mounted on the body through the limiting block through hole 140 of the cover 100 to limit the rotation of the toothed plate 30.
The lock assembly 70 is fixed to a corner of the upper portion of the back frame 90. the lock assembly 70 may be similar to the floor lock of the prior art.
The output end 62 of the unlocking cable 60 is connected with the lock assembly 70, and when the unlocking cable 60 is tensioned, the lock assembly 70 is driven to unlock.
The comfort adjustment mechanism 80 is mounted on the vehicle body. The comfort adjustment mechanism 80 is an electric multi-stage lock 81 or a manual multi-stage lock 82. The electric multi-stage lock 81 or the manual multi-stage lock 82 is a prior art, wherein the electric multi-stage lock 81 adopts a screw-nut mechanism to drive a lock wire 81a to move, and the lock wire 81a is used as a driving end of the comfortable adjusting mechanism 80.
The driving end of the comfortable adjusting mechanism 80 is connected with the lock assembly 70 in a locking manner, and after the lock assembly 70 is unlocked, the driving end of the comfortable adjusting mechanism 80, namely the lock steel wire 81a, can be separated from the lock assembly 70, so that the backrest framework 90 can be folded.
The chair comprises the back row backrest one-key turnover and comfortable integral adjustment mechanism.
Referring to fig. 7 to 9, in the initial position, since the central angle of the second gear ring 31 on the tooth plate fixed plate 30 is smaller than the central angle of the first gear ring 21 of the tooth plate movable plate 20, that is, the arc length of the second gear ring 31 on the tooth plate fixed plate 30 is smaller than the arc length of the first gear ring 21 of the tooth plate movable plate 20, and the difference between the arc lengths is greater than or equal to the unlocking stroke of the unlocking cable 60, the motor synchronizing bar gear 12 is only engaged with the first gear ring 21, and is not engaged with the second gear ring 31. The unlocking cable 60 is in a relaxed state, and the driving end of the comfort-type adjustment mechanism 80, i.e., the lock wire 81a, is locked by the lock assembly 70. In this state, the seat back can be adjusted to a comfortable position by the comfortable adjustment mechanism 80
Referring to fig. 10 to 12, when the backrest frame 90 needs to be folded, the motor assembly 10 is started, because the motor synchronization rod gear 12 is only meshed with the first toothed ring 21 on the toothed plate moving disc 20 and is not meshed with the second toothed ring 31 on the toothed plate fixed disc 30, the motor synchronization rod gear 12 and the cable driving wheel 50 rotate simultaneously under the driving of the motor assembly 10, the motor synchronization rod gear 12 drives the toothed plate moving disc 20 to rotate through meshing, meanwhile, the cable driving wheel 50 pulls the unlocking cable 60, the unlocking cable 60 gradually changes from a loose state to a tensioned state until an unlocking stroke is completed, the unlocking cable 62 pulls the unlocking lock hook on the lock assembly 70 to unlock the lock assembly 70, and the unlocking lock hook in the lock assembly is separated from the adjusting mechanism 80. During the process of unlocking the lock assembly 70 by the unlocking cable 60, the motor synchronous lever gear 12 drives the gear plate cam plate 20 to rotate. Because the arc length of the second toothed ring 31 on the toothed plate fixed disc 30 is smaller than the arc length of the first toothed ring 21 of the toothed plate movable disc 20 and the difference between the arc lengths is greater than or equal to the unlocking stroke of the unlocking cable 60, when the unlocking cable 60 unlocks the lock assembly 70, the toothed plate movable disc 20 rotates to the limit position 26 to be in contact with the cover limiting sleeve 200, teeth on the first toothed ring 21 of the toothed plate movable disc 20 coincide with teeth on the second toothed ring 31 on the toothed plate fixed disc 30, and meanwhile, the eccentric shaft 24 on the toothed plate movable disc 20 rotates to one end of the eccentric waist-shaped hole 33 on the toothed plate fixed disc 30.
Referring to fig. 13 to 15, after the unlocking of the lock assembly 70 by the unlocking cable 60 is completed, the motor synchronization rod gear 12 continues to rotate, at this time, since the toothed plate moving disk 20 rotates to the limit position 26 to contact with the cover limiting sleeve 200 and the eccentric shaft 24 on the toothed plate moving disk 20 rotates to the end of the eccentric waist-shaped hole 33 on the toothed plate moving disk 30, the toothed plate moving disk 20 does not continue to rotate alone, and the motor synchronization rod gear 12 drives the backrest to rotate around the toothed plate moving disk 30 and the toothed plate moving disk 20, so that the backrest is turned.
At this time, because the toothed plate moving disc 20 and the toothed plate fixed disc 30 are different from the car body fixation, when the first toothed ring 21 on the toothed plate moving disc 20 and the second toothed ring 31 of the toothed plate fixed disc 30 are simultaneously engaged with the motor synchronous rod gear 12, the motor synchronous rod gear 12 drives the backrest framework 90 to turn over through the synchronous output shaft 11 and the motor assembly 10 until the backrest framework 90 is leveled. After the backrest frame 90 is leveled, the limit positions 25 of the toothed plate moving disk 20 contact with the cover limiting sleeve 200, so that the limit positions 25 of the toothed plate moving disk 20 and the cover limiting sleeve 200 form hard stop points of the backrest frame 90 after being leveled.
Referring to fig. 16 to 18, when the backrest frame 90 needs to be turned up to the use state, the motor assembly 10 works in the reverse direction, and the motor synchronizing bar gear 12 is driven to rotate in the reverse direction through the synchronizing output shaft 11. At this time, because the pinion rack movable disk 20 and the pinion rack fixed disk 30 are different from the car body, the motor synchronizing rod gear 12 is engaged with the second gear ring 31 of the pinion rack fixed disk 30 through the first gear ring 21 on the pinion rack movable disk 20, and drives the backrest framework 90 to be turned up to the use state from the flat-turning state.
After the backrest frame 90 is turned up to the use state, the motor-synchronized lever gear 12 returns to a state of being engaged with only the first ring gear 21 and not the second ring gear 31. The unlocking cable 60 gradually goes to a loose state from a tensioned state until the movement stroke of the toothed plate driving disc 20 is completed, the toothed plate driving disc 20 stops rotating under the interaction of the limit position 26 and the cover cap limiting sleeve 200, and meanwhile, the motor drives the unlocking lock hook on the lock assembly lock 70 to be locked and combined with the lock steel wire 81a on the comfortable adjusting mechanism 80 under the action of rotating force to lock the comfortable adjusting mechanism 80. When the lock assembly 70 is in the locked state, the pulled unlocking cable 60 is released from the harness output end 62, and the unlocking cable 60 is in the loose state again.
Referring to fig. 19 to fig. 22, after the driving end of the comfort-type adjusting mechanism 80, i.e. the lock wire 81a, is locked by the lock assembly 70, the comfort-type adjusting mechanism 80 is started, and the driving end of the comfort-type adjusting mechanism 80, i.e. the lock wire 81a, can drive the backrest frame 90 to perform comfort-type adjustment. This comfortable adjustment allows for quick movement of the back frame 90 at any position.
According to the backrest angle adjusting device, after the lock assembly is unlocked, the backrest is turned over and lifted by one key, meanwhile, the lock assembly is unlocked and turned over by one motor, and after the lock assembly is locked, the backrest is adjusted in a comfortable angle. The invention also has the function of hard stop point at the position after the flat-turning.

Claims (15)

1. Electronic book of back row seat turns over and hold concurrently angle regulation mechanism, its characterized in that includes:
the motor assembly is arranged on the backrest framework and is provided with a synchronous output shaft, and a motor synchronous rod gear which synchronously rotates along with the synchronous output shaft is fixed at the tail end of the synchronous output shaft;
a toothed plate moving disk axially arranged on the backrest framework, wherein a first toothed ring is arranged on the periphery of the toothed plate moving disk, and an eccentric shaft is arranged on one disk surface of the first toothed plate moving disk;
the fixed plate of the toothed plate is axially arranged on the backrest framework, a second toothed ring is arranged on the periphery of the fixed plate of the toothed plate, an eccentric waist-shaped hole is formed in the plate surface of the fixed plate of the toothed plate, and the fixed plate of the toothed plate and the movable plate of the toothed plate are arranged concentrically; the eccentric shaft extends into the eccentric waist-shaped hole and can move in the eccentric waist-shaped hole;
the limiting block is fixed on the toothed plate fixed disc and fixedly connected with a vehicle body so as to limit the toothed plate fixed disc to rotate; the cable driving wheel is fixed on the synchronous output shaft;
the driving end of the unlocking cable is eccentrically connected with the cable driving wheel;
a lock assembly mounted to the back frame for locking the back; the output end of the unlocking inhaul cable is connected with the lock assembly, and when the unlocking inhaul cable is tensioned, the lock assembly is driven to unlock so as to unlock the backrest.
2. The electric folding and angle adjusting mechanism for rear seats as claimed in claim 1, further comprising:
the driving end of the comfortable adjusting mechanism is connected with the lock assembly in a locking way and used for locking the backrest; after the lock assembly is unlocked, the driving end of the comfortable adjusting mechanism can be separated from the lock assembly to unlock the backrest, so that the backrest framework can be folded.
3. The electric folding and angle adjusting mechanism for the rear seats as claimed in claim 1 or 2, wherein before the motor drives the unlocking cable to unlock through the synchronous output shaft and the cable driving output wheel, the motor synchronizing bar gear is only engaged with the first gear ring on the toothed plate driving disc, and is not engaged with the second gear ring on the toothed plate fixed disc; after the motor drives the unlocking cable to complete the unlocking action through the synchronous output shaft and the cable driving output shaft, the motor synchronizing rod gear is meshed with the first gear ring on the toothed plate driving disc and the second gear ring on the toothed plate fixed disc simultaneously to drive the backrest framework to perform turnover movement.
4. The rear seat power fold and angle adjustment mechanism of claim 3, wherein the central angle of the first ring gear is larger than the central angle of the second ring gear.
5. The rear seat power fold-over and angle adjustment mechanism of claim 5, wherein the difference between the arc length of the first gear ring and the arc length of the second gear ring is greater than or equal to the unlocking travel of the unlocking cable.
6. The electric folding and angle adjusting mechanism for the rear row seats as claimed in claim 5, wherein a shaft sleeve is disposed at the center of the fixed plate of the toothed plate, and an inner screw hole is disposed at the end of the shaft sleeve facing the movable plate of the toothed plate; the centre of a circle of pinion rack driving disk is provided with a first shaft hole be provided with a mounting panel on the back skeleton a second shaft hole has been seted up on the mounting panel, the axle sleeve on the pinion rack fixed plate passes behind the shaft hole on the pinion rack driving disk, adopt one to pass the step bolt screw in second shaft hole arrives in the interior screw hole of axle sleeve, make the pinion rack fixed plate with the pinion rack driving disk axle is established on the back skeleton.
7. The electric folding and angle adjusting mechanism for rear seats of claim 6, wherein a first spacing bushing is inserted into the second axial hole, and the step bolt passes through the first spacing bushing.
8. The rear seat power folding and angling mechanism of claim 7 wherein a second spacing bushing is nested within the first axial bore, the bushing passing through the second spacing bushing; the pinion rack fixed plate with carry out axial spacing through the spacing bush of second between the pinion rack driving disk, the pinion rack driving disk with carry out axial spacing through first spacing bush between the mounting panel.
9. The electric folding and angle adjusting mechanism for rear seats of claim 8, wherein the center of the limiting block and the shaft sleeve of the toothed plate fixed plate are through shafts and are welded and fixed.
10. The rear seat power fold-over and angle adjustment mechanism of claim 8, wherein the limit block is manufactured as one piece with the toothed plate fixed plate.
11. The electric folding and angle adjusting mechanism for the rear-row seats as claimed in claim 3, further comprising a cover, wherein the cover is fixed on the mounting plate by using a plurality of cover mounting bolts, and covers the toothed plate fixed plate, the toothed plate movable plate, the synchronous output shaft and the motor synchronous rod gear; the driving ends of the stay cable driving wheel and the unlocking stay cable are positioned outside the cover, and the limiting block penetrates out of the cover.
12. The rear seat power fold-over and angle adjustment mechanism of claim 11, wherein a cover stop sleeve is sleeved over said cover mounting bolt, said cover stop sleeve defining a distance between said cover and mounting plate; one of the cover limiting sleeves is used as a limiting stop point for turning the backrest framework between a flat turning state and a using state, and the limiting stop point is in contact with two limiting positions in the toothed plate driving disc for limiting the flat turning position and the using state position of the backrest framework.
13. The rear seat power fold-over and angle adjustment mechanism of claim 3, wherein the comfort adjustment mechanism is a power multi-segment lock or a manual multi-segment lock.
14. The rear seat power fold-over and angle adjustment mechanism of claim 13, wherein the power multi-segment lock uses a lead screw and nut mechanism to drive a lock wire as the driving end of the comfort adjustment mechanism.
15. A seat comprising a rear seat power fold-over and angle adjustment mechanism as claimed in any one of claims 1 to 14.
CN202210442130.5A 2022-04-25 2022-04-25 Electric folding and angle adjusting mechanism for rear-row seat and seat Pending CN114932849A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN202210442130.5A CN114932849A (en) 2022-04-25 2022-04-25 Electric folding and angle adjusting mechanism for rear-row seat and seat
PCT/CN2023/077557 WO2023207286A1 (en) 2022-04-25 2023-02-22 Rear seat electric-folding and angle-adjustment mechanism, and seat

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210442130.5A CN114932849A (en) 2022-04-25 2022-04-25 Electric folding and angle adjusting mechanism for rear-row seat and seat

Publications (1)

Publication Number Publication Date
CN114932849A true CN114932849A (en) 2022-08-23

Family

ID=82862382

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210442130.5A Pending CN114932849A (en) 2022-04-25 2022-04-25 Electric folding and angle adjusting mechanism for rear-row seat and seat

Country Status (2)

Country Link
CN (1) CN114932849A (en)
WO (1) WO2023207286A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023207286A1 (en) * 2022-04-25 2023-11-02 延锋国际汽车技术有限公司 Rear seat electric-folding and angle-adjustment mechanism, and seat

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1422786A (en) * 1972-05-20 1976-01-28 Turner Willenhall Ltd H R Mechanism for reclining seats
WO2018219665A1 (en) * 2017-06-01 2018-12-06 Adient Engineering and IP GmbH Drive device for a vehicle seat, in particular motor vehicle seat, and vehicle seat
CN109823241A (en) * 2019-02-14 2019-05-31 延锋安道拓座椅有限公司 A kind of electronic style turnover mechanism with angular adjustment
CN110539672A (en) * 2019-09-20 2019-12-06 延锋安道拓座椅有限公司 Motor-driven unlocking turnover mechanism
CN111391723A (en) * 2020-03-16 2020-07-10 上海延锋座椅有限公司 Electric integral lifting fast-easy-to-advance automobile seat
DE102020121123A1 (en) * 2019-08-28 2021-03-04 Faurecia (China) Investment Co., Ltd Vehicle seat and angle adjustment device for a backrest of such a vehicle seat

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3608858A1 (en) * 1986-03-17 1987-10-01 Hammerstein Gmbh C Rob Adjustable and lockable joint fitting, in particular for vehicle seats
FR2687621B1 (en) * 1992-02-25 1996-05-31 Europ Sieges Automobiles IMPROVED SEAT FOR TERRESTRIAL MOTOR VEHICLE.
JP6777455B2 (en) * 2016-08-18 2020-10-28 シロキ工業株式会社 Vehicle seat drive
CN114932849A (en) * 2022-04-25 2022-08-23 延锋国际座椅系统有限公司 Electric folding and angle adjusting mechanism for rear-row seat and seat

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1422786A (en) * 1972-05-20 1976-01-28 Turner Willenhall Ltd H R Mechanism for reclining seats
WO2018219665A1 (en) * 2017-06-01 2018-12-06 Adient Engineering and IP GmbH Drive device for a vehicle seat, in particular motor vehicle seat, and vehicle seat
CN109823241A (en) * 2019-02-14 2019-05-31 延锋安道拓座椅有限公司 A kind of electronic style turnover mechanism with angular adjustment
DE102020121123A1 (en) * 2019-08-28 2021-03-04 Faurecia (China) Investment Co., Ltd Vehicle seat and angle adjustment device for a backrest of such a vehicle seat
CN110539672A (en) * 2019-09-20 2019-12-06 延锋安道拓座椅有限公司 Motor-driven unlocking turnover mechanism
CN111391723A (en) * 2020-03-16 2020-07-10 上海延锋座椅有限公司 Electric integral lifting fast-easy-to-advance automobile seat

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2023207286A1 (en) * 2022-04-25 2023-11-02 延锋国际汽车技术有限公司 Rear seat electric-folding and angle-adjustment mechanism, and seat

Also Published As

Publication number Publication date
WO2023207286A1 (en) 2023-11-02

Similar Documents

Publication Publication Date Title
WO2019105387A1 (en) Turnover mechanism
CN114932849A (en) Electric folding and angle adjusting mechanism for rear-row seat and seat
JP2010516553A (en) Vehicle seat
CN105358368A (en) Power seat slide device, and vehicle seat
US20160257223A1 (en) Electrically operated backrest adjuster and vehicle seat with such a backrest adjuster
CN202006739U (en) Electric lift adjusting device for automobile seat
CN101992703A (en) Seat for vehicle
CN113715699A (en) Zero-gravity seat adjusting mechanism for automobile
DE102014205725A1 (en) OPERATING DEVICE FOR A VEHICLE SEAT AND VEHICLE SEAT
EP3615373A1 (en) Electrically rotatable child seat, in particular for securing on a motor vehicle seat
CN111391723B (en) Electric integral lifting fast-easy-to-advance automobile seat
CN110386035A (en) A kind of seat front and rear sliding mechanism driven by motor and drag-line
CN109703420A (en) Shoulder and the seat with the structure may be reversed in a kind of electronic split blade type
US20230406166A1 (en) Modular and electromechanically integrated easy-entry mechanism
CN210707006U (en) Backrest shoulder electric adjusting mechanism with ABTS
CN110103794A (en) Automotive seat flank width electric adjusting mechanism
CN202046215U (en) Vehicle seat with memory function
DE102018117577A1 (en) VEHICLE SEAT, ESPECIALLY MOTOR VEHICLE SEAT
CN210416867U (en) Manual folding telescopic electric scooter
CN213920751U (en) Electric adjustable lock ring mechanism and seat
CN219706774U (en) Prevent dead car leg of reversal lock and hold in palm driver structure
JPH10338065A (en) Folding power seat device
CN218594179U (en) Angle adjusting and limiting mechanism for automobile seat backrest
CN103770667A (en) Unlocking mechanism for automobile middle seat
CN219544569U (en) Electric turnover mechanism

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination