CN114670723A - Seat and have its car - Google Patents

Abstract

The invention relates to the technical field of automobile seats, and discloses a seat and an automobile with the seat, wherein the seat comprises a seat body, a clamping column, an electric driving mechanism, an auxiliary device and two supporting parts, wherein the seat body comprises a seat cushion and a backrest hinged with the seat cushion; the clamping column is arranged on the vehicle bottom plate; the electric driving mechanism is arranged on the vehicle bottom plate and is hinged with the rear end of the cushion to drive the cushion to turn over; the auxiliary device is arranged on the vehicle bottom plate and is hinged with the rear end of the cushion so as to assist the electric driving mechanism to drive the cushion to turn over; each supporting component comprises a first end and a second end, the first end is hinged with the front end of the seat cushion, and the second end is provided with a locking hook which is matched and locked with the clamping column; the invention can realize the torque compensation of the electric driving mechanism in the process of overturning the seat and reduce the output torque of the electric driving mechanism.

Description

Seat and have its car

Technical Field

The invention relates to the technical field of automobile seats, in particular to a seat and an automobile with the seat.

Background

In order to further improve the utilization rate of the internal space of a vehicle, the current automobile industry gradually designs an automobile seat into a foldable and storable form, and the automobile foldable seat in the prior art generally adopts a mode that an electric driving mechanism is arranged on one side of a seat cushion, and the electric driving mechanism is matched with a reduction gearbox to drive the seat cushion to automatically rotate so as to realize that the seat cushion automatically rotates into a storage groove; in the rotation process of the electric driving mechanism, before the cushion rotates to 90 degrees, the electric driving mechanism needs to give a positive traction force to the cushion to drive the cushion to rotate, and after the cushion rotates to 90 degrees, a supporting force in one direction needs to be given to the cushion to support the cushion to be slowly folded into the accommodating groove; however, the seat is often too heavy, the electric driving mechanism needs a large output torque, and further the reduction gearbox and the driving motor need to be made large, so that a large arrangement space of the vehicle body needs to be occupied in the actual matching process with the vehicle body, and meanwhile, the driving assembly needs a large input power and consumes a large amount of vehicle-mounted energy.

Meanwhile, the existing supporting device is complex in structure, low in flexibility, large in overall size, large in installation space, complex in structure and occupies a large vehicle bottom plate.

Disclosure of Invention

The invention aims to provide a seat and an automobile with the seat, which can reduce the power consumption of an electric driving mechanism when the electric driving mechanism drives the seat to rotate, have a smaller overall structure, reduce the occupied space and have flexible and reliable supporting parts.

In order to solve the technical problem, the invention provides a seat, which comprises a seat body, a clamping column, an electric driving mechanism, an auxiliary device and two supporting parts, wherein the seat body comprises a seat cushion and a backrest hinged with the seat cushion; the clamping column is arranged on the vehicle bottom plate; the electric driving mechanism is arranged on the vehicle bottom plate and is hinged with the rear end of the cushion to drive the cushion to overturn; the auxiliary device is arranged on the vehicle bottom plate and is hinged with the rear end of the cushion so as to assist the electric driving mechanism to drive the cushion to turn over; each support component comprises a first end and a second end, the first end is hinged with the front end of the seat cushion, and the second end is provided with a lock hook matched and locked with the clamp column.

Preferably, the auxiliary device comprises an actuating mechanism, a first transmission cable and a power mechanism; the actuating mechanism comprises a first support frame, a connecting shaft and a crank, and the first support frame is arranged on the vehicle bottom plate; one end of the connecting shaft is rotatably arranged on the first support frame, the other end of the connecting shaft is connected with the seat, and the connecting shaft rotates along with the seat; the crank is sleeved with the connecting shaft and rotates along with the connecting shaft; one end of the first transmission inhaul cable is connected with the crank, and the other end of the first transmission inhaul cable is connected with the power mechanism; when the seat is turned over, the gravity of the seat generates a first torque on the connecting shaft, and the power mechanism pulls the first transmission inhaul cable, so that the crank receives a second torque opposite to the first torque.

Preferably, the power mechanism comprises a shell and a first elastic piece, the shell is arranged on the vehicle bottom plate, and one end of the first elastic piece is connected with the other end of the first transmission inhaul cable; the other end of the first elastic piece is arranged on the shell or the vehicle bottom plate.

Preferably, the power mechanism further comprises a sliding block, the sliding block is slidably mounted inside the housing, and the sliding block is connected with the other end of the first transmission cable; one end of the first elastic piece is connected with the sliding block, and the other end of the first elastic piece is connected with the shell or the vehicle bottom plate.

Preferably, the first elastic member is a coil spring, the coil spring is disposed inside the housing, and one end of the coil spring abuts against the housing; the other end of the first transmission inhaul cable penetrates through the spiral spring and is fixed on the sliding block; the other end of the sliding block is abutted against the other end of the spiral spring.

Preferably, the power mechanism comprises a shell, a first support shaft, a first torsion spring and a support ring, wherein the first support shaft is arranged on the shell; the support ring is arranged on the shell and provided with a lap joint groove; the first torsion spring is provided with a first support arm and a second support arm, the first torsion spring is sleeved on the first support shaft, and the first support arm is inserted into the overlapping groove; the second support arm is connected with the other end of the first transmission inhaul cable.

Preferably, the auxiliary device comprises a third support frame, a rack, a rotating shaft, and a gear, a third torsion spring and a rotating plate which are sequentially sleeved on the rotating shaft; the third support frame is arranged on the vehicle bottom plate and is provided with a front plate and a rear plate which are oppositely arranged, and the rear plate extends towards the direction of the front plate to form a limiting fixture block; one end of the rotating shaft is rotatably arranged on the front plate, and the other end of the rotating shaft is rotatably arranged on the rear plate; the gear rotates along with the rotating shaft; the rack is perpendicular to the axis of the rotating shaft; the rack is provided with a strip body and a sliding part, the strip body is provided with a slide way, the top of the strip body is provided with a meshing tooth, the meshing tooth is meshed with the gear, and the bottom of one end, away from the limiting clamping block, of the strip body extends to form a first clamping position; the sliding piece is slidably mounted on the slideway and connected with the front plate; the rotating plate rotates along with the rotating shaft, and is provided with a first movable clamping block and a second movable clamping block which is axially symmetrical to the first movable clamping block; one end of the third torsion spring extends to form a fifth support arm matched with the first movable clamping block, and the other end of the third torsion spring extends to form a sixth support arm matched with the second movable clamping block.

Preferably, the clamping device further comprises two sliding rails arranged oppositely, and the clamping column is slidably arranged on the sliding rails.

Preferably, the auxiliary device further comprises a positioning sleeve, the rotating shaft is sleeved with the positioning sleeve, one end of the positioning sleeve abuts against the rotating plate, and the other end of the positioning sleeve abuts against the gear.

Preferably, the support component comprises a mounting plate, a first rivet, a pawl, a connecting piece, a second rivet, a lock hook, a shifting piece, a second elastic piece and a driving mechanism; the first rivet is arranged on the mounting plate; the pawl is sleeved on the first rivet; the pawl is provided with a limiting part, the top of the limiting part is provided with a riveting hole, and the bottom of the limiting part is provided with an unlocking deflector rod; the top of the connecting piece is provided with a buckle, the bottom of the connecting piece is provided with a riveting shaft, and one end of the riveting shaft is inserted into the riveting hole; the second rivet is arranged on the mounting plate; the lock hook is sleeved on the second rivet, and a clamping groove matched with the clamping column is formed in the bottom of the lock hook; the top of the lock hook abuts against the limiting part; an unlocking hole is formed in the top of the shifting piece and is sleeved with the unlocking shifting rod; the bottom of the plectrum is rotatably arranged on the lock hook; the top of the second elastic piece is connected with the riveting shaft, and the bottom of the second elastic piece is connected with the bottom of the shifting piece; the driving mechanism is arranged on the seat and connected with the buckle and used for pulling the connecting piece to separate the clamping groove from the clamping column.

Preferably, the support member further comprises a second support bracket rotatably coupled to the top of the mounting plate.

Preferably, the support component further comprises a second torsion spring, the second torsion spring comprises a third support arm and a fourth support arm, the second support frame is provided with a lap joint groove, the third support arm is arranged in the lap joint groove, and the fourth support arm is connected to the mounting plate.

The invention also provides an automobile which comprises an automobile bottom plate and the seat, wherein the seat storage groove is formed in the rear part of the automobile bottom plate, and the seat body is rotatably stored in the seat storage groove through an electric driving mechanism.

The invention has the following beneficial effects:

(1) the conventional seat electric driving mechanism can rotate the rotary seat only when the output torque of the conventional seat electric driving mechanism is larger than the seat gravity torque; the auxiliary device and the electric driving mechanism of the invention act together, so that the output torque of the electric driving mechanism is greatly reduced, the power and the size of the electric driving mechanism can be smaller, and the electric driving mechanism has obvious advantages in structural volume, structural cost and energy loss.

(2) By adopting the seat, the volume of the electric driving mechanism is reduced, so that the electric driving has enough space for solving the self-locking problem, and when a power supply or a circuit has a fault, a person can manually rotate the seat to enable the seat to rotate to a required position state.

Drawings

FIG. 1 is a schematic view of an automobile according to embodiment 1 of the present invention;

fig. 2 is a structural diagram illustrating a seating state of a seat according to embodiment 1 of the present invention;

fig. 3 is a schematic structural view of a storage state of a seat provided in embodiment 1 of the present invention;

fig. 4 is a schematic structural view of a fishing state of the seat provided in embodiment 1 of the present invention;

fig. 5 is a schematic view of the internal structure of a seat provided in embodiment 1 of the present invention;

FIG. 6 is a schematic structural diagram of an auxiliary device provided in embodiment 2 of the present invention;

fig. 7 is an exploded view of an auxiliary device provided in embodiment 2 of the present invention;

fig. 8 is an exploded view of an auxiliary device provided in embodiment 3 of the present invention;

fig. 9 is a schematic structural view of an electric drive mechanism provided in embodiment 4 of the present invention;

fig. 10 is an exploded view of the electric drive mechanism provided in embodiment 4 of the present invention;

fig. 11 is a schematic view of an internal structure of a housing according to embodiment 4 of the present invention;

FIG. 12 is a schematic structural view of a driving wheel provided in embodiment 4 of the present invention;

fig. 13 is an exploded view of an auxiliary device provided in embodiment 5 of the present invention;

FIG. 14 is a schematic cross-sectional view of an auxiliary device provided in embodiment 5 of the present invention;

fig. 15 is a schematic view of a seat rotation state structure provided in embodiment 5 of the present invention;

fig. 16 is a schematic structural view of an auxiliary device in a sitting state of a third torsion spring according to embodiment 5 of the present invention;

fig. 17 is a schematic structural diagram of an auxiliary device when a third torsion spring provided by the embodiment 5 of the invention is in a balanced overturning state;

FIG. 18 is a structural view of an auxiliary device when a third torsion spring is in a compressed and reversed state according to embodiment 5 of the present invention;

fig. 19 is a schematic structural view of an auxiliary device when a third torsion spring provided in embodiment 5 of the present invention is in a storage state;

fig. 20 is a schematic view of a seat structure provided in embodiment 6 of the present invention;

fig. 21 is a schematic structural view of an electric drive mechanism provided in embodiment 6 of the present invention;

fig. 22 is a schematic structural view of a locked state of a support member according to embodiment 7 of the present invention;

fig. 23 is an exploded view schematically showing a support member provided in example 7 of the present invention;

fig. 24 is a structural view of an unlocked state of the support member provided in embodiment 7 of the present invention;

FIG. 25 is a structural view showing a support member in a folded state according to embodiment 7 of the present invention;

fig. 26 is a schematic structural view of a mounting plate provided in embodiment 7 of the present invention;

fig. 27 is a schematic structural view of a pawl provided in embodiment 7 of the present invention;

fig. 28 is a schematic structural view of a paddle according to embodiment 7 of the present invention;

fig. 29 is a schematic structural diagram of a latch hook provided in embodiment 7 of the present invention.

Reference numerals:

10. an automobile;

20. a vehicle bottom plate;

30. a seat body;

301. a cushion; 3011. connecting a bracket; 302. a backrest; 303. a headrest; 304. a first rotating electric machine; 305. a second rotating electric machine;

40. a sliding mechanism;

401. a slide rail; 402. clamping the column;

50. an electric drive mechanism;

501. a frame; 502. a housing; 5021. a seating position switch; 5022. a fishing position switch; 5023. a storage position switch; 503. a drive motor; 504. a drive shaft; 505. a drive wheel; 5051. a shifting block; 506. a connecting rod; 507. mounting a support plate; 508. a frame; 509. a support plate; 510. a rotating shaft; 511. an umbrella wheel;

60. an auxiliary device;

601. an actuator; 6011. a first support frame; 60111. a side plate; 6012. a connecting shaft; 6013. a crank;

602. a power mechanism; 6021. a housing; 6022. a first elastic member; 60221. a coil spring; 6023. a slider; 6024. a first support shaft; 6025. a first torsion spring; 60251. a first support arm; 60252. a second support arm; 6026. a support ring; 60261. a lap joint groove; 6027. a rotating ring; 6028. a lube ring;

603. a first drive cable; 6031. a drive rope; 60311. a T-shaped joint; 6032. a cable cover;

604. a third support frame; 6041. a front plate; 60411. a first annular bushing; 6042. a back plate; 60421. a limiting clamping block; 60422. a second annular bushing; 60423. fastening a nut;

605. a rack; 6051. a strip body; 60511. a slideway; 60512. a first clamping position; 60513. a second card position; 6052. a slider; 60521. a gear shaft;

606. a rotating shaft; 6061. a rotation stopping section;

607. a gear; 608. a third torsion spring; 6081. a fifth support arm; 6082. a sixth support arm;

609. rotating the plate; 6091. a first movable fixture block; 6092. a second movable fixture block;

6010. mounting a bottom plate; 6020. a shield; 6030. a positioning sleeve;

6040. a riding state; 6050. releasing the turning state; 6060. balancing the turning state; 6070. compressing the turned state; 6080. a storage state;

70. a support member;

701. mounting a plate; 7011. a clamping groove; 7012. a boss portion; 7013. a second limiting part; 7014. an avoidance part; 7015. a travel switch;

702. a first rivet;

703. a pawl; 7031. a restricting section; 7032. riveting holes; 7033. unlocking a deflector rod; 7034. a height limiting bulge;

704. a connecting member; 7041. buckling; 7042. riveting a shaft;

705. a second rivet;

706. a latch hook; 7061. a card slot; 7062. a raised structure; 7063. an avoidance groove;

707. a shifting sheet; 7071. unlocking the hole;

708. a second elastic member;

709. a drive member; 7091. a second drive cable;

7010. a folding mechanism; 70101. a second support shaft; 70102. a transmission member; 70103. a sliding sleeve;

7020. a second support frame; 70201. a first limiting part;

7030. a second torsion spring; 70301. a third support arm; 70302. a fourth support arm;

80. a receiving groove.

Detailed Description

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

In the description of the present application, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a particular orientation, be constructed in a particular orientation, and be operated, and thus should not be construed as limiting the present application.

In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in this application will be understood to be a specific case for those of ordinary skill in the art.

Example 1:

referring to fig. 2 and 5, a preferred embodiment of the present invention provides a seat, which is configured to be mounted on a floor 20 of an automobile 10 and provides a seating function, and includes a seat body 30, a sliding mechanism 40, an electric driving mechanism 50, an auxiliary device 60, and two support members 70, wherein the seat body 30 includes a seat cushion 301 and a backrest 302 hinged to the seat cushion 301; the sliding mechanism 40 comprises two opposite sliding rails 401 and a clamping column 402 arranged on the sliding rails 401 in a sliding manner; the electric driving mechanism 50 is arranged on one of the slide rails 401, and the electric driving mechanism 50 is hinged with the rear end of the seat cushion 301 and used for driving the seat cushion 301 to turn over; the auxiliary device 60 is arranged on the other sliding rail 401, and the auxiliary device 60 is hinged with the rear end of the seat cushion 301 and used for assisting the electric driving mechanism 50 to drive the seat cushion 301 to overturn; each support member 70 includes a first end hinged to the front end of the seat cushion 301 and a second end provided with a locking hook 706 for locking with the locking engagement of the locking post 402.

The seat body 30 includes a seat cushion 301, a backrest 302, and a headrest 303, the backrest 302 is provided with a first rotating motor 304 and a second rotating motor 305, the first rotating motor 304 is used to drive the backrest 302 to rotate, and the second rotating motor 305 is used to drive the headrest 303 to ascend and descend.

Referring to fig. 2-4, the seat has a seating position, a stowed position and a fishing position, wherein when the seat is in the fishing position, the backrest 302 of the seat serves as the seat cushion 301 and the seat cushion 301 serves as the backrest 302.

The electric drive mechanism 50 and the assist device 60 are respectively located on both sides of the seat cushion 301.

Referring to fig. 1, the embodiment further provides an automobile 10, which includes a vehicle bottom plate 20 and any one of the seats, wherein the slide rail 401 is fixedly mounted on the vehicle bottom plate and extends along the front-rear direction of the automobile, a seat accommodating groove 80 is formed in the rear portion of the vehicle bottom plate 20, and the seat body is rotatably accommodated in the seat accommodating groove 80 through an electric driving mechanism 50.

Example 2:

referring to fig. 6, the preferred embodiment of the present invention provides an auxiliary device 60 for rotatably connecting a seat to a floor 20, comprising an actuator 601, a first transmission cable 603 and a power mechanism 602; the actuating mechanism 601 comprises a first support 6011, a connecting shaft 6012 and a crank 6013, wherein the first support 6011 is arranged on the vehicle bottom plate 20; one end of the connecting shaft 6012 is rotatably mounted on the first support 6011, the other end is connected with the seat, and the connecting shaft 6012 rotates along with the seat; the crank 6013 is sleeved with the connecting shaft 6012, and the crank 6013 rotates along with the connecting shaft 6012; one end of the first transmission cable 603 is connected with the crank 6013, and the other end is connected with the power mechanism 602; when the seat is turned over, the gravity of the seat generates a first torque on the connecting shaft 6012, and the power mechanism 602 pulls the first transmission cable 603, so that the crank 6013 receives a second torque opposite to the first torque, and the second torque is smaller than the first torque.

The floor panel 20 is provided with a storage groove 80 for storing seats; the seat turning direction to the storage groove 80 is defined as a forward direction, and vice versa; the crank 6013 is a crank 6013 of the prior art, the crank 6013 of this embodiment is a cylinder-like structure with one end protruding radially, and the protruding end of the crank 6013 is connected with a first transmission cable 603; the seat has a seating state 6040, a tilted state, and a retracted state 6080;

when the seat is in the seating state 6040, the first torque is reverse, and the protruding end of the crank 6013 faces a direction away from the power mechanism 602, the power mechanism 602 will pull the protruding end of the crank 6013, so that the crank 6013 receives a second forward torque, and further the connecting shaft 6012 receives a second forward torque, because the second torque is always smaller than the first torque, and the electric driving mechanism 50 stops operating, the seat is always in the seating state 6040;

when the seat is in a turnover state:

when the electric driving mechanism 50 drives the seat to rotate forwards by an angle smaller than about 90 degrees, the direction of the first torque is reverse; the protruding end of the crankshaft is gradually close to the power mechanism 602, the power mechanism 602 pulls the protruding end of the crank 6013, the pulling force is gradually reduced, the crank 6013 is subjected to a forward second torque, and the connecting shaft 6012 is subjected to a forward second torque, so that the output torque of the electric driving mechanism 50 at the moment is only slightly larger than a difference value obtained by subtracting the second torque from the first torque, the output torque direction of the electric driving mechanism 50 is a forward direction, and the electric driving mechanism 50 is used for driving the seat to slowly turn over;

when the electric driving mechanism 50 drives the seat to rotate forward by an angle equal to about 90 degrees, the first torque is basically zero, the protruding end of the crank 6013 faces the power mechanism 602, the power mechanism 602 basically has no pulling force on the protruding end of the crank 6013, and the second torque is basically zero, so that the output torque of the electric driving mechanism 50 at this time is only slightly larger than zero;

when the electric driving mechanism 50 drives the seat to turn forwards by an angle larger than about 90 degrees, the direction of the first torque is the forward direction; the protruding end of the crankshaft is gradually far away from the power mechanism 602, the power mechanism 602 pulls the protruding end of the crank 6013, the pulling force is gradually reduced, the crank 6013 is subjected to a second reverse torque, and the connecting shaft 6012 is subjected to the second reverse torque, so that the output torque of the electric driving mechanism 50 at the moment is only slightly smaller than the difference value between the first torque and the second torque, the output torque direction of the electric driving mechanism 50 is reverse, and the seat slowly overturns under the action of the gravity of the seat;

when the seat is in the stowed state 6080, the first torque is positive, the protruding end of the crank 6013 faces the direction away from the power mechanism 602, the power mechanism 602 pulls the protruding end of the crank 6013, the crank 6013 receives the second reverse torque, and the connecting shaft 6012 receives the second reverse torque, because the second torque is always smaller than the first torque, and the electric driving mechanism 50 stops operating, the seat is always in the stowed state 6080.

In some preferred embodiments of the present invention, the actuator 601 has a side plate 60111, the side plate 60111 is opened with a first through hole, the first transmission cable 603 has a transmission rope 6031 and a cable sleeve 6032 sleeved on the transmission rope 6031, one end of the transmission rope 6031 passes through the first through hole, one end of the transmission rope 6031 is connected to the crank 6013, and one end of the cable sleeve 6032 abuts against the side plate 60111. So, when the one end of driving rope 6031 was dragged, driving rope 6031 can slide at first through-hole, and cable cover 6032 is blocked by curb plate 60111, and then realizes that driving rope 6031 slides in cable cover 6032, protects driving rope 6031, also can avoid outside people or thing touching driving rope 6031, prevents to scratch people or thing.

Further, the transmission rope 6031 is a transmission steel wire. The hardness of transmission steel wire is higher, and has certain elasticity, and easy reconversion after warping further plays the compensation moment of torsion, reduces the effect of electric drive mechanism 50 power.

Furthermore, one end of the transmission steel wire is provided with a T-shaped joint 60311, two cranks 6013 are provided, the two cranks 6013 are arranged oppositely, each crank 6013 is provided with a mounting hole, and two ends of the T-shaped joint 60311 are inserted into the mounting holes in a one-to-one correspondence manner.

Referring to fig. 7, in some preferred embodiments of the invention, the power mechanism 602 includes a housing 6021 and a first elastic member 6022, the housing 6021 is disposed on the underbody panel 20, and the first elastic member 6022 is disposed on the housing 6021; the housing 6021 is provided with a second through hole, the other end of the transmission rope 6031 passes through the second through hole, and the other end of the transmission rope 6031 is connected with the first elastic part 6022. Specifically, when driving rope 6031 slides in the second through-hole, cable housing 6032 can be blocked outside casing 6021, and then realize that driving rope 6031 slides in cable housing 6032, protects driving rope 6031, also can avoid outside people or thing touching driving rope 6031, prevents to scratch people or thing.

Referring to fig. 7, in some preferred embodiments of the present invention, the power mechanism 602 includes a housing 6021 and a first elastic member 6022, wherein the housing 6021 is disposed on the underbody panel 20, and one end of the first elastic member 6022 is connected to the other end of the first transmission cable 603; the other end of the first elastic member 6022 is disposed at the housing 6021 or the floor panel 20.

Specifically, the first elastic member 6022 may pull the transmission cable, so as to pull the crank 6013, so that the connecting shaft 6012 receives a second torque.

Further, the first elastic member 6022 is a cylindrical coil spring, a plate spring, an arc spring, a rubber spring, or a coil spring 60221.

In some preferred embodiments of the present invention, the power mechanism 602 further includes a sliding block 6023, the sliding block 6023 is of a cylindrical structure, the housing 6021 is of a cylindrical structure, the sliding block 6023 is slidably mounted inside the housing 6021, and the sliding block 6023 is connected to the other end of the first transmission cable 603; one end of the first elastic member 6022 is coupled to the slide block 6023, and the other end of the first elastic member 6022 is coupled to the housing 6021 or the floor pan 20.

Specifically, the first elastic member 6022 may be positioned between the slide block 6023 and the housing 6021 or between the slide block 6023 and the underbody plate 20, and if the first elastic member 6022 is positioned between the slide block 6023 and the housing 6021, it supports the slide block 6023 mainly by the first elastic member 6022; if the first elastic member 6022 is positioned between the slide block 6023 and the floor panel 20, the slide block 6023 is primarily pulled by the first elastic member 6022.

When the first elastic member 6022 is positioned between the sliding block 6023 and the chassis 20, the first elastic member 6022 needs to be partially exposed outside the housing 6021, or the housing 6021 needs to be enlarged to protect the first elastic member 6022, so that the seat turnover assisting device 60 becomes larger in size and occupies more space; therefore, in some preferred embodiments of the present invention, the first elastic member 6022 is located between the sliding block 6023 and the housing 6021, specifically, the first elastic member 6022 is a coil spring 60221, the coil spring 60221 is disposed inside the housing 6021, and one end of the coil spring 60221 abuts against the housing 6021; the other end of the first transmission cable 603 passes through the coil spring 60221 and is fixed to the slide block 6023; the other end of the slide block 6023 abuts against the other end of the coil spring 60221. In this manner, the housing 6021 may protect the coil spring 60221 and the sliding block 6023, and the sliding block 6023 may slide along the inner cavity of the housing 6021, so that the overall operation of the seat tumble assisting apparatus 60 is more stable and reliable.

Example 3:

referring to fig. 8, in the present embodiment, a different power mechanism 602 is adopted compared to the present embodiment, where the power mechanism 602 of the present embodiment includes a housing 6021, a first support shaft 6024, a first torsion spring 6025, and a support ring 6026, and the first support shaft 6024 is disposed on the housing 6021; the support ring 6026 is disposed in the housing 6021, the support ring 6026 is disposed coaxially with the first support shaft 6024, and the support ring 6026 is provided with an overlapping groove 60261; the first torsion spring 6025 has a first support arm 60251 and a second support arm 60252, the first torsion spring 6025 is fitted over the first support shaft 6024, and the first support arm 60251 is inserted into the overlapping groove 60261; the second arm 60252 is connected to the other end of the first transmission cable 603.

Specifically, the first arm 60251 is locked and immovable within the overlapping groove 60261, so that the first torsion spring 6025 cannot rotate; when the seat is flipped, the second arm 60252 may pull the first drive cable 603 such that the connecting shaft 6012 is subjected to a second torque.

In some preferred embodiments of the present invention, the inner diameter of the support ring 6026 is greater than the outer diameter of the first support shaft 6024, the power mechanism 602 further includes a rotating ring 6027, the rotating ring 6027 is provided with an annular groove along the outer peripheral wall thereof, the rotating ring 6027 is sleeved on the support ring 6026, and the other end of the first transmission cable 603 is inserted into the annular groove. Therefore, when the first transmission cable 603 is pulled, the rotating ring 6027 can be driven to rotate, the first transmission cable 603 can be wound in the annular groove, the first transmission cable 603 is positioned, and the sliding trend of the first transmission cable 603 is avoided.

In some preferred embodiments of the present invention, the power mechanism 602 further includes a lubrication ring 6028, the lubrication ring 6028 is sleeved on the support ring 6026, and the rotation ring 6027 is sleeved on the lubrication ring 6028. As such, lube ring 6028 may assist lube ring 6028 in rotating the sleeve.

Example 4:

the embodiment of the invention provides a seat, which comprises a connecting bracket 3011 and an auxiliary device 60 as in any embodiment 2 or 3, wherein one end of a connecting shaft 6012 is connected with the connecting bracket 3011.

Further, the seat further comprises an electric driving mechanism 50, and the electric driving mechanism 50 and the auxiliary device 60 are respectively disposed on two sides of the seat.

Referring to fig. 9 and 10, the electric driving mechanism 50 includes a frame 501, a housing 502, a driving motor 503, a driving shaft 504, a driving wheel 505, and a connecting rod 506, wherein the frame 501 is disposed on the vehicle bottom plate 20, the housing 502 is mounted on the frame 501, the driving motor 503 is mounted on the housing 502, the driving shaft 504 is mounted inside the housing 502, and the driving shaft 504 is connected to the driving motor 503; one end of the connecting rod 506 is connected with the cushion 301, and the other end is inserted into the shell 502; a drive wheel 505 is mounted on the other end of the connecting rod 506 and is in meshing engagement with the drive shaft 504.

Specifically, the driving motor 503 drives the driving shaft 504 to rotate, and further drives the driving wheel 505 to rotate, the driving wheel 505 drives the connecting rod 506 to rotate, and the connecting rod 506 drives the cushion 301 to rotate.

Referring to fig. 11 and 12, further, a toggle block 5051 is provided at one side of the driving wheel 505, and the housing 502 is provided with a plurality of limit switches corresponding to the toggle block 5051.

Further, the limit switch includes a seating position switch 5021, a fishing position switch 5022, and a storage position switch 5023.

The driving motor 503 and the limit switch are connected to an external control mechanism, respectively, and the external control mechanism controls the driving motor 503 to rotate, and when the driving wheel 505 rotates to a predetermined position, the driving wheel contacts with the corresponding limit switch, and the external control mechanism controls the driving motor 503 to stop rotating.

Example 5:

referring to fig. 13 and 14, the preferred embodiment of the present invention provides an auxiliary device 60 for rotatably connecting a seat with a floor 20, which comprises a third support frame 604, a rack 605, a rotating shaft 606, and a gear 607, a third torsion spring 608 and a rotating plate 609 sequentially sleeved on the rotating shaft 606.

The third support frame 604 is mounted on the vehicle bottom plate 20, the third support frame 604 is provided with a front plate 6041 and a rear plate 6042 which are arranged oppositely, and the rear plate 6042 extends to the direction of the front plate 6041 to form a limit fixture block 60421; one end of the rotating shaft 606 is rotatably mounted on the front plate 6041, and the other end is rotatably mounted on the rear plate 6042; the gear 607 rotates along with the rotating shaft 606; the rack 605 is perpendicular to the axis of the shaft 606; the rack 605 is provided with a strip 6051 and a sliding part 6052, the strip 6051 is provided with a slide 60511, the top of the strip 6051 is provided with a meshed part, the meshed part is meshed with the gear 607, and the bottom of one end of the strip 6051 far away from the limit clamping block 60421 is extended with a first clamping position 60512; a sliding part 6052 is slidably mounted on the slide 60511, and the sliding part 6052 is connected to the front plate 6041; the rotating plate 609 rotates along with the rotating shaft 606, and the rotating plate 609 is provided with a first movable clamping block 6091 and a second movable clamping block 6092 which is axially symmetrical with the first movable clamping block 6091; the minimum distance from the limiting fixture 60421 to the rotating shaft 606 is greater than the minimum distance from the first movable fixture 6091 to the rotating shaft 606; one end of the third torsion spring 608 extends to form a fifth arm 6081 engaged with the first movable block 6091, and the other end extends to form a sixth arm 6082 engaged with the second movable block 6092.

The seat is provided with a seat cushion 301, any end of a rotating shaft 606 penetrates through a third supporting frame 604 and then is connected with the seat cushion 301, when the electric driving mechanism 50 drives the seat cushion 301 to turn, the rotating shaft 606 rotates along with the seat cushion 301, further drives a rotating plate 609 and a gear 607 to rotate, in the rotating process of the rotating plate 609, the fifth supporting arm 6081 of a third torsion spring 608 is switched back and forth with a first movable clamping block 6091 on a limit clamping block 60421, and the sixth supporting arm 6082 is switched back and forth between a second movable clamping block 6092, a rack 605 and a first clamping block 60512, so that the output torque of the electric driving mechanism 50 is compensated, the output torque of the electric driving mechanism 50 is reduced, and further the occupied space of the electric driving mechanism 50 is reduced.

Referring to fig. 15, in some preferred embodiments of the present invention, the third torsion spring 608 includes a riding condition 6040, a flipped condition, and a stowed condition 6080; the direction of rotation of the seat cushion 301 toward the storage groove 80 is the forward direction, and vice versa;

referring to fig. 16, when the seat cushion 301 is in the horizontal state, that is, the third torsion spring 608 is in the sitting state 6040, the rotating plate 609 rotates to a certain angle to abut the second movable latching block 6092 against the sixth arm 6082, and the limiting latching block 60421 abuts against the fifth arm 6081, so that the third torsion spring 608 generates a forward torque, the gravity of the seat cushion 301 is in the reverse direction, and the torque generated by the third torsion spring 608 can be used for offsetting a part of the gravity of the seat cushion 301, thereby reducing the output torque of the electric driving mechanism 50; at this time, the gear 607 is engaged with the tooth teeth at one end of the rack 605;

the upset state includes a release upset state 6050, a balanced upset state 6060, and a compression upset state 6070;

referring to fig. 15, when the seat cushion 301 is turned over by less than a certain angle, that is, the third torsion spring 608 is in a released turned state 6050, the rotating plate 609 rotates along with the seat cushion 301, the fifth arm 6081 abuts against the limit block 60421, the sixth arm 6082 abuts against the second movable block 6092, the second movable block 6092 rotates along with the rotating plate 609 in the forward direction, the third torsion spring 608 gradually releases a torque, overcomes a part of reverse gravity of the seat cushion 301 in the rotation process, and reduces the output torque of the electric driving mechanism 50; and the gear 607 rotates following the seat cushion 301, so that the rack 605 moves, and the gear 607 is engaged with the partial middle part of the rack 605;

referring to fig. 17, when the seat cushion 301 is turned over by a certain angle, i.e. close to 90 °, the third torsion spring 608 is in a balanced turning state 6060, the rotating plate 609 rotates along with the seat cushion 301, the fifth arm 6081 abuts against the first movable block 6091, the sixth arm 6082 abuts against one end of the top of the rack 605 close to the first block 60512, the third torsion spring 608 has completely released torque, and is in a balanced state, and the gravity torque of the seat cushion 301 is at a minimum stage; at the moment, the rack 605 continues to move, and the gear 607 is meshed with the middle part of the rack 605;

referring to fig. 18, when the seat cushion 301 is turned more than a certain angle, the third torsion spring 608 is in a compressed and turned state 6070, the rotating plate 609 rotates along with the seat cushion 301, the first movable clamping block 6091 abuts and presses the fifth supporting arm 6081, and the sixth supporting arm 6082 is limited on the top surface of the rack 605, so that the third torsion spring 608 generates a reverse torque which can be used for offsetting the pressure of the seat cushion 301 in the forward direction and reducing the output torque of the electric driving mechanism 50; at this time, the rack 605 also continues to move, so that the contact point of the sixth arm 6082 and the top of the rack 605 approaches the first detent 60512;

referring to fig. 19, when the seat cushion 301 is completely folded into the receiving groove 80 and the third torsion spring 608 is in the receiving state 6080, the fifth arm 6081 abuts against the first movable block 6091, the sixth arm 6082 slides off from the top of the rack 605 and abuts against the first block 60512, and the third torsion spring 608 completely releases the torque.

Further, one end of the rack 605 near the first detent 60512 is provided with an arc sliding surface, which facilitates the sixth arm 6082 to slowly slide from the bottom of the rack 605 to the first detent 60512.

In some preferred embodiments of the present invention, a second detent 60513 is disposed at an end of the top of the rack 605 close to the first detent 60512, when the third torsion spring 608 is in a reversed state, the fifth arm 6081 abuts against the limit detent 60421 or the first movable detent 6091, and the sixth arm 6082 abuts against the second movable detent 6092 or the second detent 60513. Specifically, when the third torsion spring 608 is in the equilibrium flipped state 6060 and the compressed flipped state 6070, the sixth arm 6082 abuts against the second detent 60513, and the sixth arm 6082 slides continuously on the second detent 60513 as the rack 605 moves.

In some preferred embodiments of the present invention, the vehicle further includes a mounting base plate 6010, the mounting base plate 6010 is mounted on the vehicle bottom plate 20, and the third supporting frame 604 is mounted on the mounting base plate 6010. Thus, the third support frame 604 is mounted on the vehicle bottom plate 20 through the mounting bottom plate 6010, so that subsequent disassembly or assembly is facilitated.

In some preferred embodiments of the present invention, a shield 6020 is further included, and the shield 6020 covers the third support frame 604. As such, the shield 6020 may protect the internal structure of the third support frame 604.

In some preferred embodiments of the present invention, the rotating shaft 606 has a rotation stopping section 6061, a cross section of the rotation stopping section 6061 perpendicular to the axis is a polygonal structure, and the gear 607 and the rotating plate 609 have a through hole matching with the rotation stopping section 6061. In this way, the gear 607 and the rotating plate 609 can be ensured to rotate along with the rotating shaft 606.

Further, the maximum diameter of the end of the rotation stopping shaft 606 is smaller than the diameter of the first rotation hole and the second rotation hole. Therefore, the third supporting frame 604 can be conveniently disassembled and assembled subsequently.

In some preferred embodiments of the present invention, the rotating plate 609 and the gear 607 are coaxially welded to the rotating shaft 606 to realize synchronous rotation.

In some preferred embodiments of the present invention, the front plate 6041 defines a first rotation hole, the first rotation hole is provided with a first annular bushing 60411, and one end of the rotation shaft 606 is inserted into the first annular bushing 60411. In this way, one end of the rotating shaft 606 can rotate in the first annular bushing 60411 without wearing the first rotating hole of the front plate 6041.

Further, the rotating shaft 606 further includes a bushing shaft section, a cross section of the bushing shaft section perpendicular to the axis is a circular structure, and the bushing shaft section is inserted into the first annular sleeve.

In some preferred embodiments of the present invention, the back plate 6042 defines a second rotation hole, the second rotation hole is provided with a second annular bushing 60422, the second annular bushing 60422 is provided with a fastening nut 60423, and the other end of the rotating shaft 606 is in threaded connection with the fastening nut 60423. In this manner, the fastening nut 60423 protects the other end of the shaft 606, and as the shaft 606 rotates, the fastening nut 60423 may follow the shaft 606 to rotate within the second annular bushing 60422.

Further, the fastening nut 60423 is of an annular structure, the inner wall of which is provided with threads, the other end of the rotating shaft 606 is provided with a threaded shaft section, the outer surface of the threaded shaft section is provided with threads, and the threaded shaft section is in threaded connection with the fastening nut 60423.

Furthermore, one end of the fastening nut 60423 abuts against the rotating plate 609, and the other end is provided with a clamping plate which abuts against the outer wall of the back plate 6042.

In some preferred embodiments of the present invention, the present invention further includes a positioning sleeve 6030, the positioning sleeve 6030 is sleeved on the rotating shaft 606, one end of the positioning sleeve 6030 abuts against the rotating plate 609, and the other end abuts against the gear 607. In this way, the positioning sleeve 6030 can limit the rotating plate 609 and the gear 607 to prevent the rotating plate 609 and the gear 607 from sliding along the rotating shaft 606.

In some preferred embodiments of the present invention, the sliding part 6052 includes two toothed shafts 60521 located on the same horizontal line, one end of the toothed shaft 60521 is connected to the front plate 6041, and the other end is inserted into the slide 60511. Thus, the two gear shafts 60521 can ensure that the rack 605 always moves on the horizontal line and the rack 605 does not rotate.

Further, the gear shaft 60521 is a cylindrical structure, the front plate 6041 is provided with a shaft hole, the gear shaft 60521 is provided with two annular grooves along the radial direction, one of the annular grooves is clamped in the shaft hole, and the other annular groove is clamped in the slide 60511, and does not hinder the rack 605 from sliding.

In some preferred embodiments of the present invention, the rotating plate 609 has a circular structure, the first movable block 6091 and the second movable block 6092 are disposed at an edge of the rotating plate 609, and an arc-shaped connecting plate extends from the edge of the rotating plate 609, and the connecting plate is connected to the first movable block 6091 and the second movable block 6092 respectively.

Further, the distance from the first moving block 6091 to the front plate 6041 is greater than the distance from the second moving block 6092 to the front plate 6041.

Example 6:

referring to fig. 20, the invention further provides a seat comprising a seat cushion 301 and the auxiliary device 60 according to embodiment 5, wherein one end of the rotating shaft 606 extends out of the third supporting frame 604 and is connected with the seat cushion 301. The seat cushion 301 is provided on the bottom surface of the seat cushion 301.

Specifically, the seat is mainly constituted by a seat cushion 301, a seatback 302, and a headrest 303 that is provided above the seatback 302 in a foldable or telescopic manner. The bottom of the backrest 302 is rotatably connected to the rear end of the seat cushion 301 via a rotary hinge. The swivel hinge allows the backrest 302 to fold over the seat cushion 301.

Further, the seat cushion 301 is provided with a connecting hole, and one end of the rotating shaft 606 is fixed to the connecting hole.

Referring to fig. 21, the electric driving mechanism 50 includes a mounting plate 507, a frame 508 fixed on the mounting plate 507, a bushing mounted on a hole of a rotating shaft 606 of the frame 508, a supporting plate 509 connected and supported with a rear side portion of the seat cushion 301 on the swivel seat, a rotating shaft 510 connected with the supporting plate 509, and a group of a bevel wheel 511 mounted on a rotation stopping section 6061 of the rotating shaft 510 and a driving motor 503 driving the bevel wheel 511 to rotate. Wherein the mounting support plate 507, the frame 508, the bushing, the support plate 509, the connecting plate cover, the frame 508 cover, and the fastening nut 60423 are assembled in the same manner as the auxiliary device 60 of the embodiment. The bevel gears on the group of the driving motor 503 are engaged with the teeth on the bevel gears. The anti-rotation groove on the bevel gear is matched with the anti-rotation section 6061 on the rotating shaft 606, and the limiting surface on the rotating shaft 606 is abutted against the end surface of the bevel gear. The mounting surface of the driving motor 503 group is fixed with the mounting surface of the frame 508 in a screwed manner. The internal thread of the nut is in threaded connection with the external thread on the rotating shaft 606, the outer shaft section is matched with the inner diameter wall of the bushing, and the outer end face is tightly pressed on the end face of the bevel gear through threads, so that the bevel gear, the rotating shaft 606, the seat support and the nut are rigidly connected. The driving motor 503 is energized to rotate, and outputs torque to the bevel gear, and then transmits torque to the rotating shaft 510 through the gear engagement between the bevel gear and the bevel gear, and then transmits torque to the supporting plate 509 through the rotating shaft 510, and then transmits torque to the cushion 301 on the seat through the supporting plate 509, so that the seat rotates around the rotating shaft 510. Through the meshing of the bevel gears and the bevel gears, the main shaft and the rotating shaft 510 of the driving motor 503 set are arranged in an axially crossed manner, so that the driving motor 503 set can be randomly arranged on a YZ plane. And simultaneously, the self-locking of the main shaft of the driving motor 503 group and the rotating shaft 606 is avoided.

Example 7:

referring to fig. 22 and 23, a preferred embodiment of the present invention provides a support member 70 for supporting a seat to a floor 20, the floor 20 being provided with a catch 402; comprises a mounting plate 701, a first rivet 702, a pawl 703, a connecting piece 704, a second rivet 705, a locking hook 706, a pulling sheet 707, a second elastic piece 708 and a driving part 709; the first rivet 702 is provided to the mounting plate 701; the pawl 703 is sleeved on the first rivet 702; the pawl 703 is provided with a limiting part 7031, the top of the limiting part 7031 is provided with a riveting hole 7032, and the bottom of the limiting part 7031 is provided with an unlocking shift lever 7033; the top of the connecting piece 704 is provided with a buckle 7041, the bottom of the connecting piece 704 is provided with a riveting shaft 7042, and one end of the riveting shaft 7042 is inserted into the riveting hole 7032; the second rivet 705 is disposed on the mounting plate 701; the locking hook 706 is sleeved on the second rivet 705, and a locking groove 7061 matched with the locking column 402 is arranged at the bottom of the locking hook 706; the top of the latch hook 706 abuts against the limiter 7031; the top of the shifting piece 707 is provided with an unlocking hole 7071, and the unlocking hole 7071 is sleeved on the unlocking shift lever 7033; the bottom of the pulling sheet 707 is rotatably arranged on the locking hook 706; the top of the second elastic member 708 is connected with the riveting shaft 7042, and the bottom of the second elastic member 708 is connected with the bottom of the shifting sheet 707; the driver 709 sets up in the seat, and the buckle 7041 is connected to driver 709 for pull the connecting piece 704, realize that draw-in groove 7061 breaks away from card post 402.

The top of the latch hook 706 is provided as a raised structure 7062.

Referring to fig. 22, when the supporting member 70 is in the locked state, the locking slot 7061 is locked in the locking post 402, and one side of the protruding structure 7062 of the locking hook 706 abuts against the pawl 703, so as to limit the movement of the locking hook 706; the unlocking shift lever 7033 abuts against one side of the unlocking hole 7071 to limit the movement of the shift block 707, and under the action of the second elastic element 708, the shift block 707 abuts against the first rivet 702 to limit the rotation of the shift block 707;

referring to fig. 24, when the support member 70 is in the unlocked state, the driving member 709 pulls the connecting member 704, and the connecting member 704 pulls the restricting portion 7031 of the pawl 703, so that the pawl 703 rotates, so that the unlocking lever 7033 does not abut against the unlocking hole 7071; meanwhile, the connecting piece 704 pulls the second elastic piece 708, the second elastic piece 708 pulls the shifting piece 707, the shifting piece 707 pulls the locking hook 706, and the locking hook 706 rotates, so that the limiting part 7031 abuts against the other side of the protruding mechanism of the locking hook 706, the clamping groove 7061 is separated from the clamping column 402, and unlocking is achieved.

Referring to fig. 25, in some preferred embodiments of the present invention, the folding mechanism 7010 further comprises a second support shaft 70101, a transmission member 70102, and a sliding sleeve 70103, wherein the sliding sleeve 70103 is disposed on the seat, the sliding sleeve 70103 is sleeved on the transmission member 70102, one end of the transmission member 70102 is connected to the first support frame, and the other end of the transmission member 70102 is connected to the mounting plate 701; the second support shaft 70101 is provided to the floor panel 20. The transmission part 70102 is made of a flexible material.

Further, a transmission second transmission cable 7091 may be employed instead of the transmission member 70102 and the sliding sleeve 70103.

When the supporting member 70 is in the folded state, the supporting member 70 rotates along with the seat, and the transmission part 70102 abuts against the second supporting shaft 70101 along with the rotation, so that the mounting plate 701 is continuously pulled by the transmission part 70102, and the mounting plate 701 is folded towards the bottom surface of the seat.

In some preferred embodiments of the present invention, the driving part 709 is connected with the buckle 7041 through a second transmission cable 7091. Specifically, adopt second transmission cable 7091, can be so that the installation of each structure is more nimble, reduce the limitation.

Referring to fig. 26, in some preferred embodiments of the present invention, the mounting plate 701 is provided with a catching groove 7011 for restricting the second transmission cable 7091 from deviating. Specifically, the second drive cable 7091 is an existing second drive cable 7091, which has an outer sleeve and an inner steel wire, and the clamping groove 7011 is used to fix the outer sleeve, so that the second drive cable 7091 is prevented from deviating, the overall structure of the device is compact, and the device is stable and reliable in operation.

In some preferred embodiments of the present invention, the top of the connecting member 704 is provided with a jack for inserting the second transmission cable 7091. Therefore, the second transmission cable 7091 can be fixed through the buckle 7041 and then one end of the second transmission cable is inserted into the jack, so that the connection stability is further improved.

In some preferred embodiments of the present invention, the mounting plate 701 further comprises a second support 7020, and the second support 7020 is rotatably connected to the top of the mounting plate 701. Specifically, the second support frame 7020 is disposed on the bottom surface of the seat, and the mounting plate 701 is rotatably connected to the second support frame 7020, so that when the mounting plate 701 is folded or unfolded, friction between the mounting plate 701 and the seat can be avoided, and loss to the seat is reduced.

In some preferred embodiments of the present invention, the second torsion spring 7030 is further included, the second torsion spring 7030 includes a third arm 70301 and a fourth arm 70302, the second support 7020 is provided with a lap slot 60261, the third arm 70301 is provided with a lap slot 60261, and the fourth arm 70302 is connected to the mounting plate 701. Specifically, when the seat is in the folded state, the mounting plate 701 and the second support frame 7020 compress the two arms of the second torsion spring 7030, so that the second torsion spring 7030 maintains an outward expanding force, and when the seat is in the seating state 6040, the mounting plate 701 is automatically straightened due to the action of the second torsion spring 7030, which is flexible and fast.

In some preferred embodiments of the present invention, the second supporting rack 7020 is provided with a first position-limiting portion 70201, the mounting plate 701 is provided with a protruding portion 7012 engaged with the first position-limiting portion 70201, and when the mounting plate 701 supports the seat, the protruding portion 7012 abuts against the first position-limiting portion 70201. Thus, the mounting plate 701 can be limited, and the expansion angle of the mounting plate 701 can be limited.

Referring to fig. 27, in some preferred embodiments of the present invention, the unlocking hole 7071 of the paddle 707 has a diamond structure, and the unlocking lever 7033 abuts against a corner of the unlocking hole 7071.

Referring to fig. 28, in some preferred embodiments of the invention, the limiter 7031 of the pawl 703 is provided with a height-limiting projection 7034. The inner side of the pick 707 abuts against the height-limiting protrusion 7034, so that direct friction between the pawl 703 and the pick 707 can be avoided.

Referring to fig. 29, in some preferred embodiments of the present invention, a second position-limiting portion 7013 for limiting the moving range of the locking hook 706 is disposed on one side of the bottom of the mounting plate 701. Thus, the second limit portion 7013 can limit the locking hook 706, so as to prevent the locking hook 706 from rotating too much to affect the subsequent storage of the seat.

In some preferred embodiments of the present invention, the other side of the bottom of the mounting plate 701 is provided with an avoiding portion 7014, and the locking hook 706 is provided with an avoiding groove 7063 which is matched with the avoiding portion 7014.

In some preferred embodiments of the present invention, a travel switch 7015 is further included, and the travel switch 7015 is disposed on the mounting plate 701.

In some preferred embodiments of the present invention, the second resilient member 708 is a spring.

A preferred embodiment of the present invention also provides a seat comprising a seat cushion 301 and a support member 70 as defined in any one of the preceding claims, the support member 70 being rotatably connected to the seat cushion 301.

The supporting component 70 of the embodiment 7 has a compact structure, the seat is supported stably by clamping the clamping groove 7061 of the locking hook 706 on the clamping column 402 on the vehicle bottom plate 20, and the vehicle bottom plate 20 only needs to be provided with the clamping column 402, so that the occupation of the vehicle bottom plate 20 is reduced; meanwhile, a driving part 709 is arranged, the driving part 709 pulls the connecting piece 704, the connecting piece 704 moves upwards, the top of the pawl 703 is pulled, the pawl 703 rotates, the unlocking shift lever 7033 releases the abutting limit of the unlocking hole 7071, the abutting position of the lock hook 706 and the pawl 703 changes, the abutting position of the pull tab 707 and the first rivet 702 changes, the second elastic piece 708 pulls the pull tab 707, the pull tab 707 pulls the lock hook 706 to rotate, the clamping groove 7061 is separated from the clamping column 402, and unlocking is achieved; the whole process is compact and smooth, and the disordered manual intervention is flexible and convenient.

In summary, a preferred embodiment of the present invention provides a seat, which is comparable to the prior art:

(1) the conventional seat electric driving mechanism 50 needs to have an output torque larger than a seat gravity torque to rotate the rotary seat; the auxiliary device 60 and the electric driving mechanism 50 of the present invention act together to greatly reduce the output torque of the electric driving mechanism 50, so that the power and size of the electric driving mechanism 50 can be reduced, and the present invention has obvious advantages in structural volume, structural cost and energy consumption.

(2) With the seat of the present invention, the volume of the electric drive mechanism 50 is reduced, so that the electric drive has enough space for solving the self-locking problem, and when a power supply or a line fails, a person can manually rotate the seat to a required position.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and substitutions can be made without departing from the technical principle of the present invention, and these modifications and substitutions should also be regarded as the protection scope of the present invention.

Claims (13)

1. A seat mounted to a floor (20) of an automobile; it is characterized by comprising:

a seat body (30) comprising a seat cushion (301) and a backrest (302) articulated to said seat cushion (301);

a clamp column (402) provided with the floor (20);

an electric drive mechanism (50) provided to the floor (20); the electric driving mechanism (50) is hinged with one side of the rear end of the seat cushion (301) and used for driving the seat cushion (301) to overturn;

an auxiliary device (60) provided to the floor (20); the auxiliary device (60) is hinged with the other side of the rear end of the seat cushion (301) and is used for assisting the electric driving mechanism (50) to drive the seat cushion (301) to overturn; and

two support members (70), each support member (70) includes first end and second end, first end with the front end of cushion (301) is articulated, the second end is equipped with block post (402) cooperation locking latch hook (706).

2. The seat of claim 1, wherein: the auxiliary device (60) comprises an actuating mechanism (601), a first transmission cable (603) and a power mechanism (602); the actuating mechanism (601) comprises a first support frame (6011), a connecting shaft (6012) and a crank (6013); one end of the connecting shaft (6012) is rotatably mounted on the first support frame (6011), the other end of the connecting shaft is connected with the seat, and the connecting shaft (6012) rotates along with the seat; the crank (6013) is sleeved with the connecting shaft (6012), and the crank (6013) rotates along with the connecting shaft (6012); one end of the first transmission cable (603) is connected with the crank (6013), and the other end of the first transmission cable is connected with the power mechanism (602); when the seat is overturned, the gravity of the seat generates a first torque on the connecting shaft (6012), and the power mechanism (602) pulls the first transmission cable (603), so that the crank (6013) receives a second torque opposite to the first torque.

3. The seat of claim 2, wherein: the power mechanism (602) comprises a shell (6021) and a first elastic piece (6022), the shell (6021) is arranged on the vehicle bottom plate (20), and one end of the first elastic piece (6022) is connected with the other end of the first transmission cable (603); the other end of the first elastic part (6022) is arranged on the shell (6021) or the chassis (20).

4. The seat of claim 3, wherein: the power mechanism (602) further comprises a sliding block (6023), the sliding block (6023) is slidably mounted inside the shell (6021), and the sliding block (6023) is connected with the other end of the first transmission cable (603); one end of the first elastic member (6022) is connected to the sliding block (6023), and the other end of the first elastic member (6022) is connected to the housing (6021) or the floor (20).

5. The seat of claim 4, wherein: the first elastic member (6022) is a coil spring (60221), the coil spring (60221) is arranged inside the housing (6021), and one end of the coil spring (60221) is abutted against the housing (6021); the other end of the first transmission cable (603) passes through the spiral spring (60221) and is fixed on the sliding block (6023); the other end of the slide block (6023) abuts against the other end of the coil spring (60221).

6. The seat of claim 5, wherein: the power mechanism (602) comprises a shell (6021), a first support shaft (6024), a first torsion spring (6025) and a support ring (6026), wherein the first support shaft (6024) is arranged on the shell (6021); the support ring (6026) is arranged on the shell (6021), and the support ring (6026) is provided with a lap joint groove (60261); the first torsion spring (6025) is provided with a first support arm (60251) and a second support arm (60252), the first torsion spring (6025) is sleeved on the first support shaft (6024), and the first support arm (60251) is inserted into the overlapping groove (60261); the second support arm (60252) is connected with the other end of the first transmission cable (603).

7. The seat of claim 1, wherein: the auxiliary device (60) comprises a third support frame (604), a rack (605), a rotating shaft (606), a gear (607) sleeved on the rotating shaft (606), a third torsion spring (608) and a rotating plate (609) in sequence; the third supporting frame (604) is provided with a front plate (6041) and a rear plate (6042) which are arranged oppositely, and the rear plate (6042) extends towards the direction of the front plate (6041) to form a limit fixture block (60421); one end of the rotating shaft (606) is rotatably installed on the front plate (6041), and the other end of the rotating shaft is rotatably installed on the rear plate (6042); the gear (607) rotates along with the rotating shaft (606); the rack (605) is perpendicular to the axis of the rotating shaft (606); the rack (605) is provided with a bar body (6051) and a sliding piece (6052), the bar body (6051) is provided with a slide way (60511), the top of the bar body (6051) is provided with a meshed tooth, the meshed tooth is meshed with the gear (607), and the bottom of one end, away from the limiting clamping block (60421), of the bar body (6051) extends to form a first clamping position (60512); the sliding part (6052) is slidably mounted on the slideway (60511), and the sliding part (6052) is connected with the front plate (6041); the rotating plate (609) rotates along with the rotating shaft (606), and the rotating plate (609) is provided with a first movable clamping block (6091) and a second movable clamping block (6092) which is axially symmetrical with the first movable clamping block (6091); one end of the third torsion spring (608) extends to form a fifth support arm (6081) matched with the first movable clamping block (6091), and the other end of the third torsion spring extends to form a sixth support arm (6082) matched with the second movable clamping block (6092).

8. The seat of claim 7, wherein: the auxiliary device (60) further comprises a positioning sleeve (6030), the rotating shaft (606) is sleeved with the positioning sleeve (6030), one end of the positioning sleeve (6030) is abutted to the rotating plate (609), and the other end of the positioning sleeve (6030) is abutted to the gear (607).

9. The seat of claim 1, wherein: the supporting component (70) comprises a mounting plate (701), a first rivet (702), a pawl (703), a connecting piece (704), a second rivet (705), a locking hook (706), a shifting piece (707), a second elastic piece (708) and a driving mechanism; the first rivet (702) is arranged on the mounting plate (701); the pawl (703) is sleeved on the first rivet (702); the pawl (703) is provided with a limiting part (7031), the top of the limiting part (7031) is provided with a riveting hole (7032), and the bottom of the limiting part (7031) is provided with an unlocking deflector rod (7033); a buckle (7041) is arranged at the top of the connecting piece (704), a riveting shaft (7042) is arranged at the bottom of the connecting piece (704), and one end of the riveting shaft (7042) is inserted into the riveting hole (7032); the second rivet (705) is arranged on the mounting plate (701); the locking hook (706) is sleeved on the second rivet (705), and a clamping groove (7061) matched with the clamping column (402) is formed in the bottom of the locking hook (706); the top of the lock hook (706) abuts against the limiting part (7031); an unlocking hole (7071) is formed in the top of the shifting piece (707), and the unlocking hole (7071) is sleeved on the unlocking shifting rod (7033); the bottom of the plectrum (707) is rotatably arranged on the lock hook (706); the top of the second elastic piece (708) is connected with the riveting shaft (7042), and the bottom of the second elastic piece (708) is connected with the bottom of the shifting sheet (707); the driving mechanism is arranged on the seat and connected with the buckle (7041) and used for pulling the connecting piece (704) to realize that the clamping groove (7061) is separated from the clamping column (402).

10. The seat of claim 9, wherein: the support component (70) further comprises a second support bracket (7020), and the second support bracket (7020) is rotatably connected with the top of the mounting plate (701).

11. The seat of claim 10, wherein: the support component (70) still includes second torsional spring (7030), second torsional spring (7030) includes third support arm (70301) and fourth support arm (70302), second support frame (7020) is provided with overlap joint groove (60261), third support arm (70301) set up in overlap joint groove (60261), fourth support arm (70302) connect in mounting panel (701).

12. The seat of claim 9, wherein: the clamping device further comprises a sliding mechanism (40) which comprises two opposite sliding rails (401), and the clamping column can be slidably arranged on the sliding rails (401).

13. An automobile (10), characterized in that: the vehicle seat comprises a vehicle bottom plate (20) and the seat as claimed in any one of claims 1 to 12, wherein a seat accommodating groove (80) is formed in the rear portion of the vehicle bottom plate (20), and the seat body (30) is rotatably accommodated in the seat accommodating groove (80) through an electric driving mechanism (50).

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