CN112046345B - Vehicle rear seat backrest adjusting device, backrest adjusting method and vehicle rear seat assembly - Google Patents
Vehicle rear seat backrest adjusting device, backrest adjusting method and vehicle rear seat assembly Download PDFInfo
- Publication number
- CN112046345B CN112046345B CN202010793321.7A CN202010793321A CN112046345B CN 112046345 B CN112046345 B CN 112046345B CN 202010793321 A CN202010793321 A CN 202010793321A CN 112046345 B CN112046345 B CN 112046345B
- Authority
- CN
- China
- Prior art keywords
- backrest
- adjustment mode
- piece
- locking
- shaft
- 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.)
- Active
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000007246 mechanism Effects 0.000 claims abstract description 60
- 230000001360 synchronised effect Effects 0.000 claims abstract description 42
- 230000000903 blocking effect Effects 0.000 claims description 20
- 230000009471 action Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- B60N2/0224—Non-manual adjustments, e.g. with electrical operation
- B60N2/02246—Electric motors therefor
-
- 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
- B60N2/0224—Non-manual adjustments, e.g. with electrical operation
- B60N2/02246—Electric motors therefor
- B60N2/02253—Electric motors therefor characterised by the transmission between the electric motor and the seat or seat parts
-
- 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
- B60N2/90—Details or parts not otherwise provided for
- B60N2/919—Positioning and locking mechanisms
-
- 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
- B60N2/90—Details or parts not otherwise provided for
- B60N2/919—Positioning and locking mechanisms
- B60N2002/952—Positioning and locking mechanisms characterised by details of the locking system
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention provides a vehicle backseat backrest adjusting device, an adjusting method and a vehicle backseat assembly, which relate to the field of vehicles and comprise a rotating shaft, a shaft cylinder, a first backrest, a second backrest and a locking mechanism, wherein the rotating shaft comprises a first rotating shaft and a second rotating shaft which are concentrically arranged along the axial direction; the shaft barrel is concentrically sleeved on the outer ring of the second rotating shaft; the first backrest is rotatably connected with the first rotating shaft; the second backrest is rotationally connected with the shaft cylinder; the locking structure is sleeved on the outer ring of the shaft barrel and arranged between the first backrest and the second backrest; the locking mechanism is configured to reversibly mechanically shift the first backrest and the second backrest between an unlocked state and a locked state to switch the second backrest between an independent adjustment mode and a synchronized adjustment mode that is adjusted in synchronization with the first backrest. The vehicle rear seat backrest adjusting device, the adjusting method and the vehicle rear seat assembly provided by the invention can enable the second backrest to be freely switched between an independent adjusting mode and a synchronous adjusting mode.
Description
Technical Field
The invention relates to the field of vehicles, in particular to a vehicle rear seat backrest adjusting device, a backrest adjusting method and a vehicle rear seat assembly.
Background
With the continuous development of economy in recent years, vehicles are widely popularized in various cities, more and more families select the vehicles as travel tools, the vehicles become more and more indispensable transportation tools in daily life of people, and the comfort level and the use convenience of the vehicles become important influence factors when people select to buy the vehicles. The rear seat of the vehicle can be used for placing luggage items in addition to passengers. However, the existing vehicle rear seat backrest cannot be adjusted; or the backrest of the rear seat of the vehicle can only be adjusted as a whole, and the use requirements cannot be met when the rear seat needs to carry passengers and luggage at the same time; or the angle adjuster is mounted and fixed with the vehicle body hinge support to adjust, so that the occupied space is large, and the adjusting operation method is complex.
Therefore, it is desirable to design a backrest adjusting device, a backrest adjusting method and a rear seat assembly for a vehicle to solve the problems of the backrest adjustment of the conventional rear seat.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the vehicle rear seat backrest adjusting device which has the advantages of multiple adjusting modes, simple structure, small occupied space, convenience in use and high comfort level.
The invention provides a vehicle backseat backrest adjusting device which comprises a rotating shaft, wherein the rotating shaft comprises a first rotating shaft and a second rotating shaft which are concentrically arranged along the axial direction; the shaft barrel is concentrically sleeved on the outer ring of the second rotating shaft; the first backrest is rotatably connected with the first rotating shaft; the second backrest is rotatably connected with the shaft cylinder; the locking mechanism is sleeved on the outer ring of the shaft barrel and arranged between the first backrest and the second backrest; the locking mechanism is configured to reversibly mechanically shift the first backrest and the second backrest between an unlocked state and a locked state to switch the second backrest between an independent adjustment mode and a synchronized adjustment mode that is adjusted in synchronization with the first backrest.
Further, the shaft barrel is provided with a first shaft barrel end part and a second shaft barrel end part which are oppositely arranged; the first backrest comprises a first end part and a second end part which are oppositely arranged, and the second end part is fixedly connected with the end part of the first shaft barrel; the second backrest comprises a third end portion and a fourth end portion which are arranged oppositely, the third end portion is sleeved on the outer ring of the end portion of the first shaft barrel, and the fourth end portion is sleeved on the outer ring of the end portion of the second shaft barrel.
Further, the locking mechanism comprises a locking piece and a sliding piece, an inner ring of the locking piece is fixedly connected with an outer ring of the end portion of the first shaft cylinder, the sliding piece is sleeved on the outer ring of the locking piece, and the sliding piece can axially move relative to the shaft cylinder to be in locking fit with the locking piece or unlocked, so that the second backrest can be switched between the synchronous adjustment mode and the independent adjustment mode.
Furthermore, the outer ring of the locking piece is provided with meshing teeth, and the inner ring of the sliding piece is provided with tooth grooves matched with the meshing teeth; when the sliding piece slides relative to the shaft barrel along the axial direction, the engaging teeth are engaged with the tooth grooves for locking or unlocking; when the second backrest is in a synchronous adjusting mode, the sliding piece slides along the axial direction to a direction close to the locking piece, the meshing teeth are meshed with the tooth grooves, and the sliding piece is in locking fit with the locking piece; when the second backrest is in an independent adjusting mode, the sliding piece slides in the direction away from the locking piece along the axial direction, and the meshing teeth and the tooth grooves are unlocked.
Furthermore, the locking mechanism further comprises a first blocking piece, an elastic piece and a second blocking piece, and the first blocking piece, the meshing teeth, the sliding piece, the elastic piece and the second blocking piece are sequentially arranged on the outer ring of the locking piece along the axial direction.
Furthermore, the locking mechanism further comprises a guide piece, the guide piece and the third end part are fixedly connected and then sleeved on the outer ring of the sliding piece, and the guide piece, the third end part and the second baffle are sequentially arranged along the axial direction; the outer ring of the sliding piece is provided with an operating piece, and the sliding piece can move along the axial direction along with the operating piece so as to be locked and matched with or unlocked from the locking piece;
the operating part comprises a connecting part and an operating part connected with the connecting part, one end of the connecting part is fixedly connected with the outer ring of the sliding part, a through hole for the other end of the connecting part to pass through is formed in the second baffle, and the connecting part sequentially passes through the inner ring of the guide part, the inner ring of the third end part and the through hole along the axial direction; or
The operating part comprises a connecting part and an operating part connected with the connecting part, the connecting part comprises a shifting lever, a shifting lever rotating shaft and an adjusting plate, the adjusting plate is rotatably connected with the shifting lever rotating shaft, two ends of the adjusting plate are respectively connected with the shifting lever and the operating part, the connecting part is fixedly connected with one side of the third end part through the shifting lever rotating shaft, and the operating part penetrates through the other side of the third end part from one side of the third end part (401).
Further, the first backrest further comprises a driving motor, the driving motor is arranged at the first end portion, and the first backrest rotates relative to the first rotating shaft under the driving of the driving motor.
By adopting the technical scheme, the vehicle rear seat backrest adjusting device realizes two adjusting modes of the second backrest through the shaft cylinder and the locking mechanism arranged on the outer ring of the shaft cylinder, namely an independent adjusting mode and a synchronous adjusting mode synchronously adjusted with the first backrest, can meet various use requirements of drivers and passengers, and obviously improves the use comfort and convenience. Meanwhile, the locking mechanism can realize reversible transformation between the unlocking state and the locking state of the first backrest and the second backrest through a mechanical structure, and has the advantages of simple structure, convenience in operation and small occupied space.
Based on the same inventive concept, the invention also provides a vehicle rear seat assembly, wherein the vehicle comprises a seat cushion component and the vehicle rear seat backrest adjusting device, wherein the seat cushion component is connected with the rotating shaft.
By adopting the technical scheme, the vehicle rear seat assembly has the advantages of simple structure, high space utilization rate, low operation cost and simplicity and convenience in operation, and the maneuverability, the reliability and the user experience of the vehicle rear seat assembly are effectively ensured.
Based on the same inventive concept, the present invention also provides an adjusting method, based on the vehicle rear seat backrest adjusting device of any one of the above, the adjusting method comprising: determining a current adjustment mode and a target adjustment mode of a second backrest, the current adjustment mode being an independent adjustment mode or a synchronous adjustment mode, the target adjustment mode being one of the independent adjustment mode and the synchronous adjustment mode that is different from the current adjustment mode; controlling a state of a locking mechanism to switch a current adjustment mode of the second backrest to a target adjustment mode.
Further, when the current adjustment mode is the independent adjustment mode and the target adjustment mode is the synchronous adjustment mode, adjusting a locking mechanism to a locking state, locking the second backrest and the first backrest, and switching the second backrest from the independent adjustment mode to the synchronous adjustment mode; when the current adjustment mode is the synchronous adjustment mode and the target adjustment mode is the independent adjustment mode, adjusting the locking mechanism to an unlocked state, unlocking the second backrest and the first backrest, and switching the second backrest from the synchronous adjustment mode to the independent adjustment mode.
By adopting the technical scheme, the adjusting method can quickly switch the adjusting mode of the second backrest and quickly switch the current adjusting mode of the second backrest into the target adjusting mode, the operation method is simple and quick, and the use experience of a user is improved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural view of a vehicle rear seat back adjustment device in an embodiment of the invention;
FIG. 2 is a schematic structural view of a vehicle rear seat back adjustment device in an embodiment of the present invention;
FIG. 3 is a schematic structural view of a vehicle rear seat back adjustment device in an independent adjustment mode according to an embodiment of the present invention;
FIG. 4 is a schematic structural view of a vehicle rear seat back adjustment device in a synchronous adjustment mode according to an embodiment of the present invention;
FIG. 5 is a schematic structural view of a vehicle rear seat back adjustment device in a synchronous adjustment mode according to an embodiment of the present invention;
FIG. 6 is a schematic structural view of a vehicle rear seat back adjustment device in an embodiment of the present invention;
FIG. 7 is an enlarged view of a portion of FIG. 6 at A;
FIG. 8 is a schematic view of the lock mechanism in the embodiment of the present invention;
FIG. 9 is an exploded perspective view of the locking mechanism in an embodiment of the present invention;
FIG. 10 is a schematic structural view of a lock mechanism in a locked state according to an embodiment of the present invention;
FIG. 11 is a schematic structural view of a locking mechanism in a locked state according to an embodiment of the present invention;
FIG. 12 is a schematic structural view of a lock mechanism in a locked state according to an embodiment of the present invention;
FIG. 13 is a schematic structural view of the locking mechanism in an unlocked state in an embodiment of the present invention;
FIG. 14 is a schematic structural view of the locking mechanism in an unlocked state according to the embodiment of the present invention;
FIG. 15 is a schematic view of a handrail in an embodiment of the present invention;
FIG. 16 is a schematic view of the structure of a driving motor in the embodiment of the present invention;
FIG. 17 is a schematic view of an operating member according to an embodiment of the present invention;
in the figure, the position of the upper end of the main shaft,
10-shaft, 101-first shaft, 102-second shaft;
20-shaft, 201-first shaft end, 202-second shaft end;
30-first backrest, 301-first end, 302-second end, 31-drive motor;
40-second back, 401-third end, 402-fourth end, 41-arm rest;
50-locking mechanism, 51-first baffle sheet, 511-first clamping part, 512-second clamping part, 52-locking piece, 521-meshing tooth, 53-elastic piece, 54-sliding piece, 541-tooth space, 55-second baffle sheet, 550-through hole, 56-guiding piece, 561-bulge, 57-operating piece, 571-connecting part, 5711-deflector rod, 5712-deflector rod rotating shaft, 5713-regulating plate and 572-operating part;
x-axial direction.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. 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 invention. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
Reference herein to "one embodiment," "some embodiments," "an embodiment," "one example," "some examples," or "an example" means that a particular feature, structure, or characteristic may be included in at least one implementation of the invention. In the description of the present invention, it is to be understood that the terms "upper", "top", "bottom", "inside", "outside", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like 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 may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items. Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," and the like are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein.
The invention is further described with reference to the following figures and examples.
Referring to fig. 1 to 16, a vehicle rear seat back adjustment device according to an embodiment of the present invention will be described in detail. The vehicle rear seat backrest adjusting device comprises a rotating shaft 10, a shaft cylinder 20, a first backrest 30, a second backrest 40 and a locking mechanism 50, wherein the locking mechanism 50 is sleeved on the outer ring of the shaft cylinder 20, and the locking mechanism 50 is arranged between the first backrest 30 and the second backrest 40. The rotating shaft 10 comprises a first rotating shaft 101 and a second rotating shaft 102 which are concentrically arranged along the axial direction X, the first backrest 30 is rotatably connected with the first rotating shaft 101, the shaft tube 20 is concentrically sleeved on the outer ring of the second rotating shaft 102, and the second backrest 40 is rotatably connected with the shaft tube 20; the locking mechanism 50 is sleeved on the outer ring of the shaft tube 20, and the locking mechanism 50 is arranged between the first backrest 30 and the second backrest 40; the locking mechanism 50 is capable of reversibly mechanically shifting the first backrest 30 and the second backrest 40 between an unlocked state and a locked state to switch the second backrest 40 between an independent adjustment mode and a synchronized adjustment mode that is adjusted in synchronization with the first backrest 30.
Two adjusting modes of the second backrest 40 are realized through the shaft barrel 20 and the locking mechanism 50 arranged on the outer ring of the shaft barrel 20, the two adjusting modes are an independent adjusting mode and a synchronous adjusting mode synchronously adjusted with the first backrest 30, the independent adjusting mode corresponds to the unlocking state of the locking mechanism 50, the synchronous adjusting mode corresponds to the locking state of the locking mechanism 50, the requirements of various seats of drivers and passengers on adjustment and use can be met, and the use comfort and convenience are obviously improved.
It should be noted that, in the embodiment of the present invention, only the case where one locking mechanism 50 is provided between one first backrest 30 and one second backrest 20 is exemplified, but the present invention is not limited to this, and other number of combinations of the first backrest 30, the second backrest 40, and the locking mechanism 50 may be implemented by the same implementation method as the embodiment of the present invention to achieve the same advantageous effects.
The number of the first rotating shafts 101 may be two, and the two first rotating shafts 101 are respectively disposed at two ends of the second rotating shaft 102. Correspondingly, the number of the first backrest 30 may also be two, and two first backrests 30 are respectively provided at two ends of the second backrest 40. At this time, the number of the locking mechanisms 50 may be two, one locking mechanism 50 is respectively disposed between both ends of the second backrest 40 and the two first backrests 30, and the second backrest 40 and the first backrests 40 at both ends are controlled to be switched among the independent adjustment mode of the second backrest 40, the synchronous adjustment mode of the second backrest 40 and one of the first backrests 30, and the synchronous adjustment mode of the second backrest 40 and the two first backrests 30 by reversibly switching between the unlocked state and the locked state of the corresponding locking mechanism 50.
Alternatively, when the number of the first rotating shafts 101 is two and the number of the first backrests 30 is two, the number of the locking mechanisms 50 is one, one locking mechanism 50 is provided between one end of the second backrest 40 and one of the first backrests 30, and the locking mechanism 50 is reversibly switched between the unlocked state and the locked state to control the second backrest 40 and the first backrest 40 provided with the locking mechanism 50 to be switched between the second backrest 40 independent adjustment mode and the second backrest 40 and the first backrest 30 provided with the locking mechanism 50 synchronous adjustment mode.
In some embodiments of the present invention, as shown in fig. 1 and 2, the shaft 20 has a first shaft end 201 and a second shaft end 202, the first shaft end 201 and the second shaft end 202 being oppositely disposed. The first backrest 30 has a first end 301 and a second end 302, the first end 301 and the second end 302 are disposed opposite to each other, and the second end 302 is fixedly connected to the first shaft end 201. The second backrest 40 includes a third end portion 401 and a fourth end portion 402, which are oppositely disposed, the third end portion 401 is sleeved on the outer ring of the first shaft end portion 201, and the fourth end portion 402 is sleeved on the outer ring of the second shaft end portion 202.
The locking mechanism 50 includes a locking member 52 and a slider 54, an inner ring of the locking member 52 is fixedly connected with an outer ring of the first shaft end 201, the slider 54 is sleeved on the outer ring of the locking member 52, and the slider 54 can move along the axial direction X relative to the shaft 20 to be locked with or unlocked from the locking member 52. When the slider 54 is in locking engagement with the lock 52, the second backrest 40 is in a synchronous adjustment mode for synchronous adjustment with the first backrest 30; when the slider 54 is unlocked from the latch 52, the second backrest 40 is in the independent adjustment mode. The locking mechanism 50 can reversibly switch the first backrest 30 and the second backrest 40 between the unlocking state and the locking state through a mechanical mode, and has the advantages of simple structure, convenience in operation, small occupied space and good synchronism.
In some embodiments of the present invention, as shown in fig. 6-13, the locking member 52 is provided with engaging teeth 521 on the outer ring thereof, and the sliding member 54 is provided with teeth slots 541 on the inner ring thereof, the teeth slots 541 being adapted to cooperate with the engaging teeth 521; when the slider 54 slides in the axial direction X relative to the shaft cylinder 20, the engagement teeth 521 engage with and unlock from the tooth grooves 541. Specifically, when the second backrest 40 is in the synchronous adjustment mode, the slider 54 slides in the axial direction X in a direction approaching the lock member 52, the engaging teeth 521 engage with the tooth grooves 541, and the slider 54 is in locking engagement with the lock member 52; when the second backrest 40 is in the independent adjustment mode, the slider 54 slides in the axial direction X in a direction away from the lock member 52, and the meshing teeth 521 are unlocked from the tooth grooves 541.
The locking mechanism 50 further includes a first blocking piece 51, an elastic member 53 and a second blocking piece 55, and the first blocking piece 51, the meshing teeth 521, the slider 54, the elastic member 53 and the second blocking piece 55 are sequentially arranged on the outer ring of the locking member 52 along the axial direction X. One end of the elastic member 53 abuts on one end of the slider 54 away from the engaging tooth 521, and the other end of the elastic member 53 abuts on the second stopper 55. The elastic member 53 may be a spring as shown in fig. 8 to 14, both ends of which are abutted with the slider 54 and the second stopper 55, respectively. The elastic member 53 may be a spring plate or other element capable of providing an elastic force to the sliding member 54, which is not illustrated herein.
In some embodiments of the present invention, the locking mechanism 50 further includes a guiding element 56, and the guiding element 56 is fixedly connected to the third end 401 of the second backrest 40 and then sleeved on the outer ring of the sliding element 54. The guide 56, the third end 401 of the second backrest 40, and the second stopper 55 are disposed in this order along the axial direction X. As shown in fig. 9 and 10, a projecting portion 561 extending in the direction of the first blocking piece 51 is provided at one end of the guide member 56 close to the first blocking piece 51; the first retaining piece 51 has an outer ring provided with a first engaging portion 511 and a second engaging portion 512. When the second backrest 40 is located at the vertical position, the projection 561 of the guide 56 engages with the first click portion 511; when the second backrest 40 is in the laid-down position, the projection 561 of the guide 56 engages with the second click portion 512. An operating member 57 is provided on an outer ring of the slider 54, and the slider 54 is moved in the axial direction X by the operating member 57, and is locked with or unlocked from the lock member 52.
In some embodiments of the present invention, as shown in fig. 9 to 14, the operating member 57 includes a connecting portion 571 and an operating portion 572, and the operating portion 572 is connected to the connecting portion 571. One end of the connection portion 571 is fixedly connected to the outer ring of the sliding member 54, and the second blocking plate 55 is provided with a through hole 550 through which the other end of the connection portion 571 passes. The connection portion 571 passes through the inner ring of the guide 56, the inner ring of the third end portion 401, and the through hole 550 in this order along the axial direction X. When an operating force is applied to the operating portion 572, the operating portion 572 moves in the axial direction X, the connecting portion 571 and the slider 54 whose outer ring is fixedly connected to the connecting portion 571 also move in the axial direction X along with the operating portion 572, and the slider 54 is locked or unlocked with the lock member 52 by the movement of the slider 54 in the axial direction X.
In some embodiments of the present invention, as shown in fig. 17, the operating element 57 includes a connecting portion 571 and an operating portion 572, the connecting portion 571 includes a lever 5711, a lever rotating shaft 5712 and an adjusting plate 5713, the connecting portion 571 is fixedly connected to one side of the third end 401 of the second backrest 40 through the lever rotating shaft 5712; the operation portion 572 is a draw tape that passes from one side of the third end portion 401 to the other side of the third end portion 401. One end of the shifting lever 5711 is fixedly connected with the outer ring of the sliding part 54, the other end of the shifting lever 5711 is fixedly connected with the adjusting plate 5713, and the adjusting plate 5713 is rotatably connected with the shifting lever rotating shaft 5712. The shift lever 5711, the adjustment plate 5713, and the operating portion 572 are arranged in this order in a direction perpendicular to the axial direction X. When an operating force is applied to the operating portion 572, the operating portion 572 moves in the axial direction X, the adjusting plate 5713 and the lever 5711 are driven to move, the slider 54 moves in the axial direction X by the lever 5711, and the slider 54 moves in the axial direction X, so that the slider 54 is locked with or unlocked from the lock member 52. The operation part 572 is mounted on the third end 401, the height of the mounting position of the operation part 572 is higher, that is, the mounting position of the operation part 572 is closer to the arm of the passenger, so that when the manual adjustment control is performed, the operation force can be applied to the operation part 572 more easily and conveniently, the ergonomic principle is more satisfied, and the riding comfort and the operation convenience of the passenger are improved.
It will be appreciated that the operating force applied to the operating member 57 may be directly manually controlled by the occupant; the operation portion 572 may be connected to another driving device, and then electrically controlled by the other driving device, and specifically, how to apply the operation force is not described here.
As shown in fig. 10 and 11, when the locking mechanism 50 is in the unlocked state, the sliding member 54 moves in the axial direction X to a position closest to the second stopper 55, the elastic member 53 is in a compressed state, the outer race of the sliding member 54 is engaged with the inner race of the guide member 56, the sliding member 54 is fixedly connected with the guide member 56, the tooth groove 541 on the sliding member 54 is misaligned and disengaged from the engagement tooth 521 on the locking member 52, and the first backrest 30 and the second backrest 40 are in the unlocked state.
As shown in fig. 12 and 13, when the locking mechanism 50 is in the locked state, the sliding member 54 moves to the position farthest from the second stopper 55 in the axial direction X, the elastic member 53 is in the natural state, the tooth groove 541 is locked in engagement with the engaging tooth 521, and the first backrest 30 and the second backrest 40 are in the locked state.
In some embodiments of the present invention, as shown in fig. 16, a driving motor 31 is further provided on the first backrest 30, and the driving motor 31 is provided at the first end 301 of the first backrest 30. The driving motor 31 provides a driving force to the first backrest 30 so that the first backrest 30 can rotate relative to the first rotating shaft 101 under the driving of the driving motor 31. The degree of automation of the adjustment of the vehicle rear seat adjusting device can be improved by arranging the driving motor 31, the adjusting function of the first backrest 30 can be realized by controlling the driving motor 31, and the use comfort of the vehicle rear seat adjusting device is improved.
In some embodiments of the present invention, as shown in fig. 15, the second backrest 40 is externally wrapped with an armrest 41 made of a flexible material. A cup holder and/or a storage compartment is provided on the side of the armrest 41 facing away from the shaft sleeve 20. When the rear seat passenger has only two or less than two positions, the second backrest 40 can be adjusted to be in an independent adjusting mode, then the second backrest 40 is laid down, and articles such as water cups are placed in the cup holders or the storage bins, so that the use convenience and the comfort of the vehicle rear seat adjusting device are improved.
The second backrest 40 of the vehicle rear seat backrest adjusting apparatus of the present invention has two modes of an independent adjusting mode and a synchronous adjusting mode, and the adjusting mode can be switched according to the actual use condition when actually used. If a long object such as a ski board needs to be placed in the trunk, the second backrest 40 can be switched to the independent adjustment mode, and when the second backrest 40 is laid down, the passenger sitting on the first backrest 30 is not affected by the colleague who realizes the placement of the long object such as the ski board; when the luggage is more and the rear seat does not have a passenger to take, the second backrest 40 can be switched to the synchronous adjustment mode, the first backrest 30 and the second backrest 40 are both laid down, the luggage placement space of the rear seat of the vehicle can be increased, and more luggage can be placed. Therefore, the vehicle rear seat adjusting device can meet various use requirements of passengers, and the use convenience is greatly improved.
According to a second aspect of the present invention there is provided a vehicle rear seat assembly comprising a seat cushion member and a vehicle rear seat back adjustment device as described in any of the above embodiments, the seat cushion member being connected to the pivot shaft 10 of the vehicle rear seat back adjustment device. The seat cushion assembly is provided with a plurality of seat cushions corresponding to the first and second backs 30 and 40, respectively.
According to the vehicle rear seat assembly of the second aspect of the present invention, since the vehicle rear seat backrest adjusting device according to the above embodiment of the present invention has the advantages of multiple adjusting modes, simple structure, small occupied space, convenience in use, and high comfort, the vehicle according to the embodiment of the present invention also has corresponding technical effects, and the maneuverability, reliability, and user experience of the vehicle rear seat assembly are effectively improved.
Other constructions and operations of the vehicle rear seat assembly according to the embodiments of the present invention are known to those of ordinary skill in the art and will not be described in detail herein.
According to a third aspect of the present invention, there is provided an adjustment method based on the vehicle rear seat back adjustment device of any of the above embodiments, the adjustment method including determining a current adjustment mode of the second back 40, which is either an independent adjustment mode or a synchronized adjustment mode, and a target adjustment mode, which is one of the independent adjustment mode and the synchronized adjustment mode different from the current adjustment mode; the second backrest is switched from the current adjustment mode to the target adjustment mode by controlling the state of the lock mechanism 50. Specifically, when the current adjustment mode is the independent adjustment mode and the target adjustment mode is the synchronous adjustment mode, the locking mechanism 50 is adjusted to the locked state, the second backrest 40 and the first backrest 30 are locked, and the second backrest 40 is switched from the independent adjustment mode to the synchronous adjustment mode; when the current adjustment mode is the synchronous adjustment mode and the target adjustment mode is the independent adjustment mode, the locking mechanism 50 is adjusted to the unlocked state, the second backrest 40 and the first backrest 30 are unlocked, and the second backrest 40 is switched from the synchronous adjustment mode to the independent adjustment mode.
Referring to fig. 2 to 4, a detailed adjustment operation of the vehicle rear seat back adjustment device will be described.
The adjustment action of the independent adjustment mode of the second backrest 40 is explained:
as shown in fig. 2 and 3, by applying a force in the direction of the second stopper 55 in the axial direction X to the operating portion 571 of the operating member 57, the slider 54 is moved in the direction of the second stopper 55 in the axial direction X by the connecting portion 571 of the operating member 57, the slider 54 is unlocked from the lock member 52, the second backrest 40 is unlocked from the first backrest 30, the second backrest 40 can rotate relative to the shaft tube 20, at this time, the elastic member 53 is in a compressed state, the outer ring of the slider 54 is engaged with the inner ring of the guide member 56, the slider 54 rotates along with the guide member 56 and the third end portion 401 of the second backrest 40, the tooth groove 541 in the slider 54 is misaligned with the engaging tooth 521 in the lock member 52, and the slider 54 does not move in a direction away from the second stopper 55.
When the second backrest 40 rotates relative to the shaft tube 20, when the second backrest 40 is located at the falling position (as shown in fig. 3, the first backrest 30 is located at the vertical position, and the second backrest 40 is located at the falling position), the protruding portion 561 of the guiding element 56 is in snap fit with the second latching portion 512 of the first blocking piece 51, the second backrest 40 cannot rotate downwards, the first spline (not labeled) is located opposite to the first engaging tooth (not labeled) and the second spline (not labeled) is located opposite to the second engaging tooth (not labeled), the sliding element 54 moves in a direction axially away from the second blocking piece 55 under the elastic force of the elastic element 53, the spline 541 is in engagement with the engaging tooth 521, and the sliding element 54 is in locking fit with the locking element 52.
When the second backrest 40 is rotated relative to the shaft tube 20, when the second backrest 40 is in the vertical position (as shown in fig. 2, the first backrest 30 is in the vertical position, and the second backrest 40 is also in the vertical position), the protrusion 561 of the guide member 56 is in snap fit with the first latching portion 511 of the first blocking piece 51, the second backrest 40 cannot rotate upwards any more, the second spline (not labeled) is opposite to the first engaging tooth (not labeled) at this time, the first spline (not labeled) is opposite to the second engaging tooth (not labeled) at this time, the sliding member 54 moves in a direction away from the second blocking piece 55 in the axial direction under the elastic force of the elastic member 53, the spline 541 is in engagement with the engaging tooth 521, and the sliding member 54 is in locking fit with the locking member 52.
The adjustment action of the synchronous adjustment mode of the second backrest 40 is explained as follows:
as shown in fig. 4 and 5, at this time, the sliding member 54 of the locking mechanism 50 is locked with the locking member 52, the first backrest 30 and the second backrest 40 are locked by the locking mechanism 50, when the first backrest 30 rotates relative to the first rotating shaft 101 under the action of the driving motor 31, the second backrest 40 rotates relative to the second rotating shaft 102 together with the shaft cylinder 20 under the drive of the first backrest 30, and the second backrest 40 and the first backrest 30 are synchronously adjusted together. As shown in fig. 4, the first backrest 30 and the second backrest 40 are simultaneously in the reclined position; as shown in fig. 5, the first backrest 30 and the second backrest 40 are simultaneously in the upright position. The first backrest 30 and the second backrest 40 can realize a synchronous adjustment mode through the locking mechanism 50, and the structure is simple, the operation is convenient, and the synchronism is good.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and should not be taken as limiting the scope of the present invention, which is intended to cover any modifications, equivalents, improvements, etc. within the spirit and scope of the present invention.
Claims (9)
1. A vehicle rear seat back adjustment device, comprising:
the rotating shaft (10), the rotating shaft (10) comprises a first rotating shaft (101) and a second rotating shaft (102) which are concentrically arranged along the axial direction (X);
the shaft barrel (20), the outer ring of the second rotating shaft (102) is concentrically sleeved with the shaft barrel (20);
the first backrest (30), the first backrest (30) is rotatably connected with the first rotating shaft (101);
a second backrest (40), wherein the second backrest (40) is rotatably connected with the shaft barrel (20);
the locking mechanism (50) is sleeved on the outer ring of the shaft barrel (20), and the locking mechanism (50) is arranged between the first backrest (30) and the second backrest (40); said locking mechanism (50) being able to reversibly transform said first backrest (30) and said second backrest (40) mechanically between an unlocked state and a locked state, so as to switch said second backrest (40) between an independent adjustment mode and a synchronized adjustment mode, adjusted synchronously with said first backrest (30);
the shaft barrel (20) is provided with a first shaft barrel end part (201) and a second shaft barrel end part (202) which are oppositely arranged; the first backrest (30) comprises a first end part (301) and a second end part (302) which are oppositely arranged, and the second end part (302) is fixedly connected with the first shaft cylinder end part (201); the second backrest (40) comprises a third end portion (401) and a fourth end portion (402) which are arranged oppositely, the third end portion (401) is sleeved on the outer ring of the first shaft tube end portion (201), and the fourth end portion (402) is sleeved on the outer ring of the second shaft tube end portion (202).
2. A vehicle rear seat back adjustment device according to claim 1, wherein: the locking mechanism (50) comprises a locking piece (52) and a sliding piece (54), an inner ring of the locking piece (52) is fixedly connected with an outer ring of the first shaft cylinder end portion (201), the sliding piece (54) is sleeved on the outer ring of the locking piece (52), and the sliding piece (54) can move relative to the shaft cylinder (20) along the axial direction (X) to be in locking fit with or unlocked from the locking piece (52), so that the second backrest (40) is switched between the synchronous adjustment mode and the independent adjustment mode.
3. A vehicle rear seat back adjustment device according to claim 2, wherein: the outer ring of the locking piece (52) is provided with meshing teeth (521), and the inner ring of the sliding piece (54) is provided with tooth grooves (541) matched with the meshing teeth (521); when the sliding piece (54) slides relative to the shaft barrel (20) along the axial direction (X), the meshing teeth (521) are meshed with the tooth grooves (541) for locking or unlocking;
when the second backrest (40) is in a synchronous adjusting mode, the sliding piece (54) slides along the axial direction (X) to a direction close to the locking piece (52), the engaging teeth (521) are engaged with the tooth grooves (541), and the sliding piece (54) is in locking fit with the locking piece (52);
when the second backrest (40) is in an independent adjusting mode, the sliding piece (54) slides along the axial direction (X) in a direction away from the locking piece (52), and the meshing teeth (521) are unlocked from the tooth grooves (541).
4. A vehicle rear seat back adjustment device according to claim 3, wherein: the locking mechanism (50) further comprises a first blocking piece (51), an elastic piece (53) and a second blocking piece (55), and the first blocking piece (51), the meshing teeth (521), the sliding piece (54), the elastic piece (53) and the second blocking piece (55) are sequentially arranged on the outer ring of the locking piece (52) along the axial direction (X).
5. A vehicle rear seat back adjustment device according to claim 4, wherein: the locking mechanism (50) further comprises a guide piece (56), the guide piece (56) and the third end portion (401) are fixedly connected and then sleeved on the outer ring of the sliding piece (54), and the guide piece (56), the third end portion (401) and the second blocking piece (55) are sequentially arranged along the axial direction (X); the outer ring of the sliding piece (54) is provided with an operating piece (57), and the sliding piece (54) can move along the axial direction (X) along with the operating piece (57) to be locked and matched with or unlocked from the locking piece (52);
the operating part (57) comprises a connecting part (571) and an operating part (572) connected with the connecting part (571), one end of the connecting part (571) is fixedly connected with the outer ring of the sliding part (54), the second baffle plate (55) is provided with a through hole (550) for the other end of the connecting part (571) to pass through, and the connecting part (571) sequentially passes through the inner ring of the guide part (56), the inner ring of the third end part (401) and the through hole (550) along the axial direction (X); or
The operating part (57) comprises a connecting part (571) and an operating part (572) connected with the connecting part (571), the connecting part (571) comprises a shifting rod (5711), a shifting rod rotating shaft (5712) and an adjusting plate (5713), the adjusting plate (5713) is rotatably connected with the shifting rod rotating shaft (5712), two ends of the adjusting plate (5713) are respectively connected with the shifting rod (5711) and the operating part (572), the connecting part (571) is fixedly connected with one side of the third end part (401) through the shifting rod rotating shaft (5712), and the operating part (572) penetrates through the other side of the third end part (401) from one side of the third end part (401).
6. A vehicle rear seat back adjustment device according to claim 1, wherein: the first backrest (30) further comprises a driving motor (31), the driving motor (31) is arranged at the first end portion (301), and the first backrest (30) is driven by the driving motor (31) to rotate relative to the first rotating shaft (101).
7. A vehicle rear seat assembly characterized by: comprising a seat cushion assembly and a vehicle rear seat back adjustment device according to any one of claims 1-6, the seat cushion assembly being connected to the rotary shaft (10).
8. An adjustment method based on the vehicle rear seat back adjustment device according to any one of claims 1 to 6, characterized in that:
determining a current adjustment mode and a target adjustment mode of a second backrest (40), the current adjustment mode being an independent adjustment mode or a synchronized adjustment mode, the target adjustment mode being one of the independent adjustment mode and the synchronized adjustment mode different from the current adjustment mode;
controlling a state of a lock mechanism (50) to switch a current adjustment mode of the second backrest (40) to a target adjustment mode.
9. The adjustment method according to claim 8, characterized in that:
when the current adjustment mode is the independent adjustment mode and the target adjustment mode is the synchronous adjustment mode, adjusting a locking mechanism (50) to a locking state, locking the second backrest (40) and the first backrest (30), and switching the second backrest (40) from the independent adjustment mode to the synchronous adjustment mode;
when the current adjustment mode is the synchronous adjustment mode and the target adjustment mode is the independent adjustment mode, the locking mechanism (50) is adjusted to an unlocked state, the second backrest (40) and the first backrest (30) are unlocked, and the second backrest (40) is switched from the synchronous adjustment mode to the independent adjustment mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010793321.7A CN112046345B (en) | 2020-08-07 | 2020-08-07 | Vehicle rear seat backrest adjusting device, backrest adjusting method and vehicle rear seat assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010793321.7A CN112046345B (en) | 2020-08-07 | 2020-08-07 | Vehicle rear seat backrest adjusting device, backrest adjusting method and vehicle rear seat assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112046345A CN112046345A (en) | 2020-12-08 |
| CN112046345B true CN112046345B (en) | 2022-08-09 |
Family
ID=73601187
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010793321.7A Active CN112046345B (en) | 2020-08-07 | 2020-08-07 | Vehicle rear seat backrest adjusting device, backrest adjusting method and vehicle rear seat assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112046345B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020112459A1 (en) * | 2020-05-07 | 2021-11-11 | Faurecia Autositze Gmbh | Vehicle seat fittings and vehicle seat |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103448580A (en) * | 2013-08-23 | 2013-12-18 | 浙江吉利汽车研究院有限公司 | Automobile rear seat |
| WO2014026752A1 (en) * | 2012-08-14 | 2014-02-20 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg | Seat arrangement with two drive devices for pivoting two adjusting parts |
| CN106627260A (en) * | 2015-11-02 | 2017-05-10 | 北汽福田汽车股份有限公司 | Backrest seat cushion linkage and unlocking mechanism and vehicle seat |
| CN208006771U (en) * | 2018-01-16 | 2018-10-26 | 浙江吉利汽车研究院有限公司 | A kind of seat linkage |
| CN108883714A (en) * | 2016-04-04 | 2018-11-23 | 大众汽车有限公司 | For carrying out leaning on the manipulation device of part unlock and for showing the indicator for leaning on part locking with two operating elements |
-
2020
- 2020-08-07 CN CN202010793321.7A patent/CN112046345B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014026752A1 (en) * | 2012-08-14 | 2014-02-20 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft, Coburg | Seat arrangement with two drive devices for pivoting two adjusting parts |
| CN103448580A (en) * | 2013-08-23 | 2013-12-18 | 浙江吉利汽车研究院有限公司 | Automobile rear seat |
| CN106627260A (en) * | 2015-11-02 | 2017-05-10 | 北汽福田汽车股份有限公司 | Backrest seat cushion linkage and unlocking mechanism and vehicle seat |
| CN108883714A (en) * | 2016-04-04 | 2018-11-23 | 大众汽车有限公司 | For carrying out leaning on the manipulation device of part unlock and for showing the indicator for leaning on part locking with two operating elements |
| CN208006771U (en) * | 2018-01-16 | 2018-10-26 | 浙江吉利汽车研究院有限公司 | A kind of seat linkage |
Also Published As
| Publication number | Publication date |
|---|---|
| CN112046345A (en) | 2020-12-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2109553B1 (en) | Vehicle seat | |
| US8167348B2 (en) | Cable activated latch pawl for floor console armrest | |
| US10086732B2 (en) | Operable tray tables for a vehicular armrest | |
| US6250729B1 (en) | Dual opening sliding console for use with a vehicle | |
| EP1728677B1 (en) | A seat assembly provided with a tip-down backrest for a motor vehicle | |
| GB2417197A (en) | Vehicle seat with folding and sliding action | |
| CN112046345B (en) | Vehicle rear seat backrest adjusting device, backrest adjusting method and vehicle rear seat assembly | |
| KR101884741B1 (en) | Rear-seat sliding apparatus of latch rotating type | |
| EP1728673B1 (en) | A configurable seat assembly for a vehicle | |
| CN111746366B (en) | Vehicle structure | |
| JP4094406B2 (en) | Vehicle seat walk-in device | |
| CN108357402B (en) | Reversible writing surface for soft hand applications | |
| CN113306468A (en) | Sliding locking mechanism of headrest support and automobile seat headrest support | |
| CN208585121U (en) | Vehicle seat and compartment including seat | |
| US11377053B2 (en) | Extended slide vehicle seat with low profile adjustment control | |
| CN110949211B (en) | Seat device of automobile and automobile | |
| CN219969465U (en) | Vehicle seat and vehicle | |
| JP4156872B2 (en) | Vehicle seat group | |
| CN217705572U (en) | Foldable seat basin, seat and vehicle | |
| CN218343319U (en) | Vehicle seat, vehicle interior trim part and vehicle | |
| CN218640710U (en) | Vehicle with multimode conversion seat | |
| US11833936B2 (en) | Set of seats for vehicle, vehicle equipped with the set of seats and method for arranging the set of seats | |
| CN217705580U (en) | Seat armrest, seat assembly and vehicle | |
| CN218558641U (en) | Vehicle with multimode conversion seat | |
| US11241987B2 (en) | Multi-height rotatable vehicle console |
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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |