CN111231784B - Easy-to-enter mechanism for unlocking floor lock under driving of sliding rail - Google Patents
Easy-to-enter mechanism for unlocking floor lock under driving of sliding rail Download PDFInfo
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- CN111231784B CN111231784B CN202010047845.1A CN202010047845A CN111231784B CN 111231784 B CN111231784 B CN 111231784B CN 202010047845 A CN202010047845 A CN 202010047845A CN 111231784 B CN111231784 B CN 111231784B
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- unlocking
- floor lock
- driving
- piece
- assembly
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
- B60N2/07—Slide construction
- B60N2/0722—Constructive details
- B60N2/0727—Stop members for limiting sliding movement
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60N—SEATS SPECIALLY ADAPTED FOR VEHICLES; VEHICLE PASSENGER ACCOMMODATION NOT OTHERWISE PROVIDED FOR
- B60N2/00—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles
- B60N2/02—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable
- B60N2/04—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable
- B60N2/06—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable
- B60N2/08—Seats specially adapted for vehicles; Arrangement or mounting of seats in vehicles the seat or part thereof being movable, e.g. adjustable the whole seat being movable slidable characterised by the locking device
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention relates to an easy-entry mechanism for unlocking a floor lock by driving of a sliding rail, which is arranged on a cushion framework, wherein an upper sliding rail and a lower sliding rail which can slide relatively are arranged at the bottom of the cushion framework, the front part of the cushion framework is rotatably connected with the upper sliding rail, and the easy-entry mechanism comprises: a locking member mounted on the upper slide rail; the floor lock is arranged at the rear part of the cushion framework and corresponds to the locking piece, and the floor lock can be locked on the locking piece; an unlocking assembly connected to the floor lock; the driving assembly is rotatably arranged on the cushion framework and is connected with the unlocking assembly; and the stop piece is arranged on the lower sliding rail and corresponds to the driving assembly. The invention realizes the function of firstly sliding and then lifting, vacates enough avoidance space and realizes the largest easy-entry space of the vehicle type with the sliding back modeling.
Description
Technical Field
The invention relates to the technical field of automobile seats, in particular to an easy-entry mechanism for unlocking a floor lock by driving of a sliding rail.
Background
For some SUV and MPV type cars, three rows of seats are usually arranged in the car, and the middle row of seats has an avoidance function, that is, the middle row of seats has a front-rear position adjustment function and a backrest angle adjustment function so as to vacate enough space for passengers in and out at the rear row, which is also called as EASY entry. When driving, in order to facilitate passengers to enter the third row of seats or place articles in the seats, the middle row of seats are provided with the easy-entry unlocking mechanism so as to achieve the purpose of abdicating.
Generally, a pitch slide function seat (a cushion rotates forwards, lifts and adjusts the whole chair to move) can bring larger entering space than a Tip slide function seat (a backrest rotates forwards, adjusts the whole chair to move), but the pitch slide function is higher in the Z-direction space in a vehicle, and the pitch function that two rows of seats lift firstly and then slide is difficult to realize for the more and more popular back sliding modeling in the market. The unblock direction of the floor lock of seat bottom receives the influence that hasp intensity was arranged, and unblock direction often can only follow top or rear unblock, and cable (rope) is walked the molding face that surpasss the cushion rear easily, and cable's length is longer, and the outward appearance is unsightly.
Disclosure of Invention
The invention aims to overcome the defects of the prior art, provides an easy-entry mechanism for unlocking a floor lock by driving a slide rail, and solves the problems that an existing pitch slide functional seat is difficult to adapt to a vehicle type with a back sliding model due to lifting and sliding, and the appearance is difficult to see due to the fact that cable wiring easily exceeds the rear part of a cushion.
The technical scheme for realizing the purpose is as follows:
the invention provides an easy-entry mechanism for unlocking a floor lock by driving of a sliding rail, which is arranged on a cushion framework, wherein the bottom of the cushion framework is provided with an upper sliding rail and a lower sliding rail which can slide relatively, the front part of the cushion framework is rotatably connected with the upper sliding rail, and the easy-entry mechanism comprises:
the locking piece is arranged on the upper slide rail and corresponds to the rear part of the cushion framework;
the floor lock is arranged at the rear part of the cushion framework and corresponds to the locking piece, and the floor lock can be locked on the locking piece;
an unlocking assembly connected to the floor lock;
the driving assembly is rotatably arranged on the cushion framework and is connected with the unlocking assembly; and
the stop piece is arranged on the lower sliding rail and corresponds to the driving assembly;
during the unblock, promote the cushion skeleton along with go up the slide rail along the lower slide rail moves along, the stopper is spacing drive assembly is so that drive assembly rotates and drives the unblock assembly is in order to right the floor lock unblock, and then the rear portion of cushion skeleton with go up the slide rail and remove to be connected and can wind the front portion of cushion skeleton rotates.
The easy-entry mechanism adopts the slide rail to drive the unlocking floor lock, when the cushion framework moves forwards along the lower slide rail along with the upper slide rail, the stop part limits the driving assembly and then drives the assembly to drive the unlocking assembly to unlock the floor lock, so that the function of sliding firstly and then lifting is realized, enough avoidance space is vacated, the easy-entry mechanism is suitable for vehicle models with a sliding back shape, and the maximum easy-entry space of the vehicle models with the sliding back shape is realized. Floor lock and drive assembly all install on the cushion skeleton, and the unblock assembly is connected between floor lock and drive assembly, and this unblock assembly can arrange the below of cushion skeleton in completely, can not expose from the cushion rear, has solved and has exposed cable trend and make the problem that the outward appearance is unsightly in the current seat.
The invention further improves the easy-entry mechanism for unlocking the floor lock by driving the sliding rail, wherein the driving assembly comprises an upper driving sheet and a lower driving sheet which are rotatably arranged on the cushion framework through a connecting shaft;
the upper driving piece is connected with the unlocking assembly, and a clamping plate abutting against the lower driving piece is arranged on one side, close to the floor lock, of the upper driving piece;
the end part of the lower driving sheet is arranged corresponding to the stop piece;
when the floor lock is unlocked, the stop piece limits the lower driving piece to enable the lower driving piece to rotate, and the clamping plate drives the upper driving piece to rotate together to further pull the unlocking assembly to unlock the floor lock.
The easy-entry mechanism for unlocking the floor lock by driving the sliding rail is further improved in that the driving assembly further comprises a limiting piece arranged on the cushion framework, the limiting piece is arranged on one side, close to the floor lock, of the upper driving sheet, and the limiting piece abuts against the side part of the upper driving sheet;
and a tension spring is connected between the limiting piece and the upper driving piece in a pulling mode.
The easy-entry mechanism for unlocking the floor lock driven by the sliding rail is further improved in that the driving assembly further comprises a torsion spring which is sleeved on the connecting shaft and is positioned between the upper driving sheet and the driving sheet;
one end of the torsion spring is connected with the upper driving sheet, and the other end of the torsion spring is connected with the lower driving sheet;
when the lower driving piece rotates towards the direction far away from the clamping plate, the torsion spring generates elastic force for driving the lower driving piece to reset.
The easy-entry mechanism for unlocking the floor lock driven by the sliding rail is further improved in that the end part of the lower driving sheet is provided with a roller capable of freely rotating.
The invention further discloses an easy-entry mechanism for unlocking a floor lock by driving of a sliding rail, which is characterized in that the floor lock comprises a rotatable locking hook;
the easy entry mechanism further comprises an unlocking sheet which is arranged opposite to the lock hook, the unlocking sheet is rotatably arranged on the cushion framework, the unlocking sheet is fixedly connected with the lock hook through a connecting piece, and the connecting piece is connected with the unlocking assembly.
The easy-entry mechanism for unlocking the floor lock driven by the sliding rail is further improved in that the easy-entry mechanism further comprises a pull rod, the pull rod is arranged at the top of the floor lock, one end of the pull rod is hinged with the floor lock, and the other end of the pull rod is hinged with the unlocking piece.
The easy-entry mechanism for unlocking the floor lock driven by the sliding rail is further improved in that the upper sliding rail is fixedly connected with a connecting rod, the end part of the connecting rod is sleeved with a force-assisting spring, and one end of the force-assisting spring is fixedly connected with the upper sliding rail;
the cushion framework is rotatably connected to the end part of the connecting rod through a shaft member, and the cushion framework is fixedly connected with the other end of the boosting spring;
when the cushion framework rotates, the boosting spring applies elastic force for driving the cushion framework to rotate and lift around the front part of the cushion framework to the cushion framework.
The easy-entry mechanism for unlocking the floor lock by driving the sliding rail is further improved in that a front support is fixedly arranged on the upper sliding rail corresponding to the front part of the cushion framework, and the front support is fixedly connected with the connecting rod;
one end of the boosting spring is fixedly connected with the front bracket.
The easy-entry mechanism for unlocking the floor lock by driving the sliding rail is further improved in that the unlocking assembly comprises a first rope, a second rope and a third rope, wherein one end of the first rope is connected with the driving assembly, and the second rope and the third rope are connected to the other end of the first rope;
two floor locks are arranged on two sides of the cushion framework;
the second rope is connected to one floor lock and the third rope is connected to the other floor lock.
Drawings
Fig. 1 is a schematic structural view of an easy entry mechanism of a slide rail driven unlocking floor lock of the invention mounted on a seat cushion frame.
Fig. 2 is an exploded view of the structure of fig. 1 without the floor lock, the unlocking assembly and the driving assembly.
Fig. 3 is an exploded view of the rotational connection structure between the seat cushion frame and the upper slide rail.
Fig. 4 is a schematic structural diagram of the connection of the floor lock, the unlocking assembly and the driving assembly in the easy entry mechanism for unlocking the floor lock by driving of the slide rail according to the invention.
FIG. 5 is a top view of a floor lock, an unlocking assembly and a drive assembly linkage in the slide rail driven easy entry mechanism for unlocking the floor lock of the present invention.
Fig. 6 is a side view of the easy entry mechanism of the slide rail driven unlocking floor lock of the present invention mounted to a seat cushion frame.
Fig. 7 is a schematic structural view of the structure shown in fig. 6, in which the seat cushion frame, the upper slide rail, and the lower slide rail are omitted.
Fig. 8 is a side view of the other side in the state shown in fig. 6.
Fig. 9 is a schematic structural view of the structure shown in fig. 8, in which the seat cushion frame, the upper slide rail, and the lower slide rail are omitted.
Fig. 10 is an exploded view of the drive assembly of the easy entry mechanism for a track drive unlocking floor lock of the present invention.
Fig. 11 is an exploded view of the connecting structure of the easy entry mechanism floor lock of the slide rail driven unlocking floor lock of the present invention.
Fig. 12 is a schematic structural diagram of the easy entry mechanism of the slide rail driven unlocking floor lock according to the present invention, wherein the drive assembly drives the unlocking assembly to unlock the floor lock.
Fig. 13 is a schematic structural view of the structure shown in fig. 12, in which the seat cushion frame, the upper slide rail, and the lower slide rail are omitted.
Fig. 14 is a schematic structural view of the easy entry mechanism for unlocking the floor lock driven by the slide rail according to the present invention, wherein the floor lock is locked to the locking member.
Fig. 15 is a schematic structural view illustrating the unlocking of the floor lock from the locking member in the slide rail driven easy entry mechanism for unlocking the floor lock according to the present invention.
Fig. 16 is a schematic structural view of the cushion frame in a rotationally raised state around the front portion after unlocking.
Fig. 17 is a structural schematic view of the seat cushion frame rotating to the maximum angle around the front portion.
Fig. 18 to 20 are schematic exploded views illustrating the easy entry mechanism of the slide rail driven unlocking floor lock of the present invention returning to the locked state.
Fig. 21 to 22 are schematic views showing a change state of the unlocking assembly from the unlocking state to the locking state of the floor lock.
Fig. 23 to 24 are schematic exploded views illustrating the driving assembly falling on the stopper to return to the locked state when the easy entry mechanism of the slide rail driven unlocking floor lock of the present invention returns.
Detailed Description
The invention is further described with reference to the following figures and specific examples.
Referring to fig. 1, the invention provides an easy-entry mechanism for unlocking a floor lock by driving of a sliding rail, which is used for realizing the function of firstly sliding and then lifting an automobile seat and realizing the maximum easy-entry space of an automobile with a sliding back model. The easy-entry mechanism is used for realizing the unlocking function of the floor lock by utilizing the driving of the sliding rail, namely, the driving assembly and the unlocking assembly are used for unlocking the floor lock by the movement of the sliding rail, and after the floor lock is unlocked, the cushion framework can rotate and lift around the front part to realize avoidance. In the return process, after the floor lock is locked, the movable slide rail cannot unlock the floor lock, so that the cushion framework is firm and stable in the return process. The easy entry mechanism for the slide rail driven unlocking floor lock of the present invention will be described with reference to the accompanying drawings.
Referring to fig. 1, a schematic structural diagram of the easy entry mechanism for unlocking the floor lock driven by the sliding rail according to the present invention is shown installed on the seat cushion frame. The easy entry mechanism for a slide rail driven unlocking floor lock of the present invention will now be described with reference to fig. 1.
As shown in fig. 1, the easy entry mechanism 20 of the slide rail driven unlocking floor lock of the present invention is mounted on a seat cushion frame 11, an upper slide rail 12 and a lower slide rail 13 which can slide relative to each other are provided at the bottom of the seat cushion frame 11, and the upper slide rail 12 can slide along the lower slide rail 13. The front part of the seat cushion framework 11 is rotatably connected with the upper sliding rail 12, and the rear part of the seat cushion framework 11 can rotate and lift around the rotating connection part of the front part, so that the avoiding function of the automobile seat is realized. The easy entry mechanism 20 of the present invention comprises a locking member 21, a floor lock 23, an unlocking assembly 25, a driving assembly 27, and a stopper 29; as shown in fig. 2, the locking member 21 is mounted on the upper slide rail 12, and the locking member 21 is disposed corresponding to the rear portion of the seat cushion frame 11; referring to fig. 4 and 8, the floor lock 23 is mounted at the rear portion of the seat cushion frame 11 and is disposed corresponding to the locking member 21, and the floor lock 23 can be locked on the locking member 21, so as to lock the rear portion of the seat cushion frame 11 to the upper slide rail 12, and further, when the upper slide rail 12 is movably adjusted along the lower slide rail 13, the seat cushion frame 11 can be movably adjusted along with the upper slide rail 12. As shown in fig. 4 and 5, the unlocking assembly 25 is connected to the floor lock 23, and the unlocking assembly 25 is used for unlocking the floor lock 23 and unlocking the locked state between the floor lock 23 and the locking member 21; the driving assembly 27 is rotatably mounted on the seat cushion framework 11, the driving assembly 27 is connected with the unlocking assembly 25, and the driving assembly 27 is used for driving the unlocking assembly 25 to unlock the floor lock 23; as shown in fig. 1 and 6, a stop 29 is mounted on the lower slide rail 13, and the stop 29 is disposed corresponding to the driving assembly 27 for stopping the driving assembly 27. When unlocking, the cushion frame 11 is pushed to move forward along the lower slide rail 13 along with the upper slide rail 12, the stop member 29 limits the driving assembly 27 so that the driving assembly 27 rotates, the driving assembly 27 drives the unlocking assembly 25 to unlock the floor lock 23 by rotating, and then the rear portion of the cushion frame 11 is disconnected from the upper slide rail 12 so that the cushion frame 11 can rotate around the front portion thereof.
The front portion of the seat cushion frame 11 is a side of the vehicle seat on which the seat cushion is to be seated, and the rear portion is a side opposite to the side on which the seat cushion is to be seated, and the rear portion is connected to a seatback of the vehicle seat. The upper slide rail 12 and the lower slide rail 13 are combined to form a slide rail mechanism, the lower slide rail 13 is fixed on a bottom plate of an automobile, and the upper slide rail 12 moves back and forth along the lower slide rail 13 to adjust the position of an automobile seat. All be equipped with the stop part in order to realize spacing upper slide rail 12 at lower slide rail 13's front end and rear end, prevent upper slide rail 12 roll-off lower slide rail 13.
The easy-entry mechanism 20 realizes that the cushion framework 11 moves forwards along the lower slide rail 13 and triggers the driving assembly 27 to drive the unlocking assembly 25 to unlock the floor lock 23, the rear part of the cushion framework 11 can be lifted in a rotating way around the front part after being unlocked, the functions of sliding and lifting are realized, the easy-entry mechanism is suitable for vehicle models with a back sliding model, and the maximum easy-entry space of the vehicle models with the back sliding model is realized.
In one embodiment of the present invention, as shown in fig. 6 to 10, the driving assembly 27 includes a connecting shaft 271, an upper driving plate 272 and a lower driving plate 273, the upper driving plate 272 and the lower driving plate 273 are rotatably mounted on the seat cushion frame 11 through the connecting shaft 271, the upper driving plate 272 is connected to the unlocking assembly 25, and a clamping plate 2721 abutting against the lower driving plate 273 is disposed on one side of the upper driving plate 272 close to the floor lock 23; the end of the lower driving piece 273 is disposed corresponding to the stopper 29; in unlocking, as shown in fig. 12 and 13, when the driving assembly 27 moves to the stopper 29, the stopper 29 limits the lower driving piece 273 of the driving assembly 27, the lower driving piece 273 rotates, and the locking plate 2721 drives the upper driving piece 272 to rotate together to pull the unlocking assembly 25 to unlock the floor lock 23.
Preferably, the stop member 29 is disposed at the front portion of the lower slide rail 13, the driving assembly 27 is disposed at the side portion of the seat cushion frame 11 and is disposed near the front portion of the seat cushion frame 11, when the driving assembly 27 moves forward, the stop member 29 is encountered, and when the driving assembly 27 encounters the stop member 29, the unlocking assembly 25 is pulled to unlock the floor lock 23, and after unlocking, the seat cushion frame 11 can rotate and lift around the front portion thereof.
Specifically, the upper driving plate 272 of the driving assembly 27 of the present invention is provided with an engaging plate 2721 on a side thereof adjacent to the floor lock 23, so that when the lower driving plate 273 is rotated toward the side where the engaging plate 2721 is located, the upper driving plate 272 is carried along with the rotation, and thus the rotation of the upper driving plate 272 pulls the unlocking assembly 25 connected thereto. When the lower driving plate 273 is rotated towards the other side (i.e. the side of the upper driving plate 272 not provided with the card 2721), the lower driving plate 273 does not drive the upper driving plate 272 to rotate, so that the unlocking assembly 25 is not driven, and the state of the floor lock 23 is not affected.
Further, as shown in fig. 10 and fig. 6, the driving assembly 27 further includes a limiting member 274, the limiting member 274 is mounted on the seat cushion frame 11, the limiting member 274 is disposed on one side of the upper driving plate 272 close to the floor lock 23, and the limiting member 274 abuts against a side portion of the upper driving plate 272, and the limiting member 274 limits the rotation direction of the upper driving plate 272, so that the upper driving plate 272 can only rotate in the direction away from the floor lock 23. A tension spring 275 is connected between the stopper 274 and the upper driving piece 272 in a pulling manner, and when the tension spring 275 is in a natural state, the upper driving piece 272 abuts against the stopper 274. By providing the tension spring 275, as shown in fig. 12 and 16, when the lower driving piece 273 meets the stopper 29, the lower driving piece 273 rotates to drive the upper driving piece 272 to rotate in a direction away from the stopper 274, and the tension spring 275 is stretched to generate a return elastic force; when the lower driving piece 273 passes over the stopper 29, the lower driving piece 273 loses its urging force for driving rotation, and the upper driving piece 272 is rotationally restored to abut against the stopper 274 by the urging force of the tension spring 275.
Specifically, the limiting member 274 includes a limiting plate, and a first wing plate and a second wing plate vertically connected to the limiting plate, the first wing plate and the second wing plate are disposed on two sides of the limiting plate, and the first wing plate is attached to and fixedly connected to the cushion frame 11; the second wing plate is provided with a through hole for connecting the tension spring 275. One end of the tension spring 275 is hooked on the through hole of the second wing plate, and the other end is hooked on the through hole of the upper driving plate 272. Preferably, the connecting shaft 271 is a stepped bolt which penetrates the upper driving plate 272 and the lower driving plate 273 and is threadedly coupled to the seat cushion frame 11, and the upper driving plate 272 and the lower driving plate 273 are rotatable around the stepped bolt.
Still further, the driving assembly 27 further includes a torsion spring 276 sleeved on the connecting shaft 271 and located between the upper driving plate 272 and the lower driving plate 273, one end of the torsion spring 276 is connected with the upper driving plate 272, and the other end of the torsion spring 276 is connected with the lower driving plate 273; the torsion spring 276 provides a spring force that urges the lower driving piece 273 to return when the lower driving piece 273 rotates away from the card plate 2721. As shown in fig. 12 and 16 in conjunction with fig. 12, when the lower driving piece 273 passes over the stopper 29, the upper driving piece 272 is reset by the tension spring 275, and the torsion spring 276 drives the lower driving piece 273 to be reset. As shown in fig. 18 to 20, when the lower driving piece 273 rotates away from the card plate 2721, the torsion spring 276 generates an elastic force, the upper driving piece 272 does not rotate due to the blocking of the limiting member 274, and when the lower driving piece 273 passes over the blocking member 29, the elastic force of the torsion spring 276 resets the lower driving piece 273.
Still further, as shown in FIGS. 6 and 7, a roller 2731 is mounted at an end of the lower driving piece 273 to be freely rotatable. By providing the roller 2731, when the lower driving piece 273 meets the stopper 29, the lower driving piece 273 can rotate around or pass over the stopper 29, and when the lower driving piece 273 passes the stopper 29, as shown in fig. 12, the roller 2731 can roll along the surface of the stopper 29, so that the lower driving piece 273 can pass the stopper 29 smoothly, the resistance when the lower driving piece 273 passes the stopper 29 is reduced, and the movement adjustment of the seat cushion frame 11 is more labor-saving.
In an embodiment of the present invention, as shown in fig. 7 to 9 and 11, the floor lock 23 includes a rotatable locking hook 231, and the locking hook 231 can be hooked on the locking member 21 to lock the seat cushion frame 11 to the upper slide rail 12. The easy entry mechanism 20 further includes an unlocking piece 241 disposed opposite to the locking hook 231, the unlocking piece 241 is rotatably mounted on the seat cushion frame 11, the unlocking piece 241 is fixedly connected to the locking hook 231 through a connecting piece 242, and the connecting piece 242 is connected to the unlocking assembly 25. When unlocking, the unlocking assembly 25 is driven by the driving assembly 27, and the unlocking piece 241 and the locking hook 231 are pulled through the connecting piece 242, so that the unlocking piece 241 and the locking hook 231 rotate, as shown in fig. 12, and the locking hook 231 is separated from the locking piece 21, and the floor lock 23 is in an unlocking state.
As shown in fig. 13, when the upper driving plate 272 of the driving assembly 27 rotates in a direction away from the floor lock 23, the unlocking assembly 25 is pulled, so that the unlocking assembly 25 pulls the locking hook 231 in a rotating direction of the upper driving plate 272, so that the locking hook 231 rotates to achieve unlocking.
Further, as shown in fig. 11, the easy entry mechanism 20 further includes a pull rod 243, as shown in fig. 7 and 9, the pull rod 243 is disposed on the top of the floor lock 23, one end of the pull rod 243 is hinged to the floor lock 23, and the other end is hinged to the unlocking piece 241. As shown in fig. 14 and 15, the locking hook 231 is hooked on the locking member 21, and the floor lock 23 is in the locked state; the unlocking assembly 25 pulls the locking hooks 231 to rotate the appropriate locking hook 231 to disengage from the locking member 21, while the panel lock 23 is in the unlocked state. During the pulling rotation of the locking hook 231 by the unlocking assembly 25, the unlocking piece 241 and the pulling rod 243 rotate synchronously.
When the floor lock 23 is installed, as shown in fig. 11 and 1, the floor lock 23 is disposed inside the seat cushion frame 11, and specifically, the seat cushion frame 11 includes two opposite wall plates disposed on the two opposite upper slide rails 12, respectively. The number of the floor locks 23 is two, the two floor locks 23 are arranged on the inner side surfaces of the rear parts of the two wall plates, and the floor locks 23 are fixedly arranged on the wall plates corresponding to the cushion framework 11 through two mounting bolts. During installation, the unlocking sheet 241 is sleeved on the installation bolt located on the side where the lock hook 231 is located, the unlocking sheet 241 can rotate around the installation bolt, and a gasket is arranged between the unlocking sheet 241 and the floor lock 23 in a cushioning mode in order to avoid friction between the unlocking sheet 241 and the floor lock 23 during rotation. The bottom of the unlocking piece 241 is provided with a connecting hole, and the connecting piece 242 passes through the connecting hole and is fixedly connected with the locking hook 231. Preferably, the connecting member 242 is a connecting bolt, which can be screwed into the locking hook 231 to achieve a fixed connection.
In one embodiment of the present invention, as shown in fig. 1, 4 and 5, the unlocking assembly 25 includes a first rope 251 connected at one end to the driving assembly 27, a second rope 253 and a third rope 255 connected to the other end of the first rope 251; two floor locks 23 are arranged on two sides of the cushion framework 11; the second rope 253 is connected to one floor latch 23 and the third rope 255 is connected to the other floor latch 23. This achieves a two-for-one operation, i.e. a drive assembly 27 can simultaneously unlock the two floor latches 23.
Preferably, a first pulling head 252 is connected to one end of the first rope 251; the second end of the first rope 251 is connected to the ends of the second rope 253 and the third rope 255 through a wire divider, so that when the first rope 251 is pulled by pulling the first slider 252, the second rope 253 and the third rope 255 can be pulled synchronously. A second slider 254 is connected to the ends of the second and third cords 253, 255, and the second slider 254 is connected to the connecting member 241 at the corresponding floor lock 23. Referring to fig. 9, the second slider 254 is a circular piece and is disposed on the connecting member 241. Referring to fig. 10, the first slider 252 is a cylindrical tube, an installation post is vertically connected to the upper driving plate 272 of the driving assembly 27, a through hole is opened at an end of the installation post, an end of the first rope 251 passes through the through hole and is fixedly connected with the first slider 252, and the diameter of the first slider 252 is larger than that of the through hole, so that the first slider 252 is attached to the installation post. As shown in fig. 6, an arc-shaped slot is formed in a side wall plate of the seat cushion frame 11, and the arc-shaped slot is used for the installation column to pass through and provides a rotation space for the installation column.
In an embodiment of the present invention, as shown in fig. 1 to 3, a connecting rod 262 is fixedly connected to the upper sliding rail 12, an assisting spring 263 is sleeved on an end of the connecting rod 262, and one end of the assisting spring 263 is fixedly connected to the upper sliding rail 12; the seat cushion frame 11 is rotatably connected to an end of the link 262 by a shaft member 264, and the seat cushion frame 11 is fixedly connected to the other end of the assist spring 263. In the initial state, the urging spring 263 has an elastic force larger than the weight of the seat, and when the seat cushion frame 11 is rotated, the urging spring 273 applies an elastic force to the seat cushion frame 11 to rotatably lift the seat cushion frame 11 around the front portion thereof. As shown in fig. 16 and 17, after the floor lock 23 is unlocked, the elastic force of the assist spring 263 acts on the seat cushion frame 11, so that the seat cushion frame 11 can be rotated around the front portion thereof and lifted, the cushion frame 11 rotates around the shaft 264 in cooperation with the urging force acting on the seat cushion frame 11, and the assist spring 263 is arranged to assist in lifting the seat cushion frame 11, so that the cushion frame 11 is more labor-saving when the cushion frame 11 is pushed to rotate and lift.
Preferably, a plug 265 is fixedly connected to an end of the connecting rod 262, and a threaded hole is formed in the end of the plug 265; the shaft 264 is a stepped bolt, which is inserted through the corresponding side wall plate of the seat cushion frame 11 and screwed into the threaded hole of the plug 265, and the seat cushion frame 11 can rotate around the stepped bolt. Further, a shaft sleeve 266 is sleeved on the side wall plate of the seat cushion framework 11 corresponding to the hole position through which the step bolt passes, and the shaft sleeve 266 can play a role in noise reduction, so that noise is prevented from being generated when the seat cushion framework is rotated.
Further, a front bracket 261 is arranged on the upper slide rail 12 corresponding to the front part of the seat cushion frame 11, the front bracket 261 is fixedly connected with a connecting rod 262, the front bracket 261 is vertically fixed on the upper slide rail 12, the connecting rod 262 is supported between the front brackets 261 on the two upper slide rails 12, and the end part of the connecting rod 262 passes through the corresponding front bracket 261; one end of the power spring 263 is fixedly connected to the front bracket 261. As shown in fig. 1 and 2, the seat cushion frame 11 is fitted around the two front brackets 261, a power spring 263 is interposed between the side wall plate of the seat cushion frame 11 and the corresponding front bracket 261, and when the seat cushion frame 11 is seated on the upper slide rail 12, the power spring 263 generates an elastic force for driving the seat cushion frame 11 to rotate around the front thereof and lift.
Referring to fig. 2 and 12, the locking member 21 is U-shaped, and includes two wing rods and end rods connected to the two wing rods, the portions of the wing rods connected to the end rods are inclined, the other portions are flat, the portions of the wing rods that are flat are fixedly connected to the upper slide rail 12, the inclined portions are supported on the upper slide rail 12 and form U-shaped latches with the end rods, which are matched with the locking hooks 231 on the floor lock 23, and the locking hooks 231 of the floor lock 23 are hooked on the locking member 21 to achieve locking in cooperation with fig. 7 and 8.
The process of adjusting the seat by the easy entry mechanism of the slide rail driven unlocking floor lock of the present invention is described below.
Although fig. 1 shows only the seat cushion frame 11, the seat cushion frame 11 is further provided with a seat cushion foam for seating, and a seat back is further pivotally connected to a rear portion of the seat cushion frame 11, thereby forming the vehicle seat. Fig. 1 shows an automobile seat in an initial state, when the automobile seat needs to be moved and turned over, the automobile seat is pushed forward, as shown in fig. 6, a seat cushion frame 11 and an upper slide rail 12 move forward along a lower slide rail 13, when a driving assembly 27 meets a stop member 29, the stop member 29 stops to enable a lower driving piece 273 to rotate, as shown in fig. 12 and 13, the lower driving piece 273 rotates clockwise, the lower driving piece 273 pushes a catch plate 2721 to enable an upper driving piece 272 to rotate clockwise, the rotation of the upper driving piece 272 pulls a first pull head 252, the first pull head 252 pulls two second pull heads 254 to further pull a lock hook 231 of a floor lock 23 to enable the floor lock 23 to be separated from a locking piece 21 to achieve unlocking, as shown in fig. 16 and 17, after the floor lock 23 is unlocked, the seat cushion frame 11 and the upper slide rail 12 can slide forward to a limit position, at this time, the driving assembly 27 crosses the stop member 29, the upper driving plate 272 and the lower driving plate 273 are reset. After the floor lock 23 is unlocked, the seat cushion frame 11 can be lifted up by rotating about the shaft member 264 at the front portion thereof to provide an escape space for the rear seat. And the sliding and rotating lifting are carried out firstly, so that the sliding back modeling vehicle can be suitable for vehicle types with sliding backs, and the largest space for vehicles with sliding back modeling to enter is realized.
When the seat cushion frame 11 is reset, as shown in fig. 18, the seat cushion frame 11 is rotated downward, and the driving assembly 27 is located in front of the stopper 29, so that the floor lock 23 on the seat cushion frame 11 is directly locked to the locking member 21, as shown in fig. 21 and 22, the locking hook 231 of the floor lock 23 is unlocked and then unlocked, and when the floor lock 23 is engaged with the locking member 21, the locking hook 231 locks the locking member 21, and the floor lock 23 is locked. Then, as shown in fig. 19, the seat cushion frame 11 is moved backward, the driving unit 27 passes the stopper 29, and the lower driving piece 273 is rotated counterclockwise while the upper driving piece 272 is not moved, and the floor lock 23 is not affected, and as shown in fig. 20, after the lower driving piece 273 passes the stopper 29, the lower driving piece 273 is returned, and the seat cushion frame 11 is moved to its initial position. As shown in fig. 23, if the lower driving piece 273 of the driving assembly 27 is just placed on the stopper 29 when the seat cushion frame 11 is rotated downward, the floor lock 23 is not engaged with the locking member 21, and the seat cushion frame 11 can be moved backward, and as shown in fig. 24, after the lower driving piece 273 passes the stopper 29, the floor lock 23 is locked to the locking member 21, and then the seat cushion frame 11 is moved backward to the initial position. Thus, the returning operation of the seat is completed.
While the present invention has been described in detail and with reference to the embodiments thereof as illustrated in the accompanying drawings, it will be apparent to one skilled in the art that various changes and modifications can be made therein. Therefore, certain details of the embodiments are not to be interpreted as limiting, and the scope of the invention is to be determined by the appended claims.
Claims (9)
1. The utility model provides an easy access mechanism of slide rail drive unblock floor lock installs on the cushion skeleton, the bottom of cushion skeleton is equipped with relative slip's last slide rail and lower slide rail, the front portion of cushion skeleton with go up the slide rail and rotationally connect its characterized in that, easy access mechanism includes:
the locking piece is arranged on the upper slide rail and corresponds to the rear part of the cushion framework;
the floor lock is arranged at the rear part of the cushion framework and corresponds to the locking piece, and the floor lock can be locked on the locking piece;
an unlocking assembly connected to the floor lock;
the driving assembly is rotatably arranged on the cushion framework and is connected with the unlocking assembly; and
the stop piece is arranged on the lower sliding rail and corresponds to the driving assembly;
when the floor lock is unlocked, the cushion framework is pushed to move forwards along the upper sliding rail along the lower sliding rail, the driving assembly is limited by the stop piece to enable the driving assembly to rotate and drive the unlocking assembly to unlock the floor lock, and then the rear part of the cushion framework is disconnected with the upper sliding rail and can rotate around the front part of the cushion framework; the driving assembly comprises an upper driving sheet and a lower driving sheet which are rotatably arranged on the cushion framework through a connecting shaft;
the upper driving piece is connected with the unlocking assembly, and a clamping plate abutting against the lower driving piece is arranged on one side, close to the floor lock, of the upper driving piece;
the end part of the lower driving sheet is arranged corresponding to the stop piece;
when the floor lock is unlocked, the stop piece limits the lower driving piece to enable the lower driving piece to rotate, and the clamping plate drives the upper driving piece to rotate together to further pull the unlocking assembly to unlock the floor lock.
2. The easy entry mechanism of claim 1, wherein the drive assembly further comprises a limiting member mounted on the seat cushion frame, the limiting member is disposed on a side of the upper driving plate close to the floor lock, and the limiting member abuts against a side portion of the upper driving plate;
and a tension spring is connected between the limiting piece and the upper driving piece in a pulling mode.
3. The easy entry mechanism of a slide rail driven unlocking floor lock of claim 1, wherein the drive assembly further comprises a torsion spring sleeved on the connecting shaft and located between the upper driving plate and the lower driving plate;
one end of the torsion spring is connected with the upper driving sheet, and the other end of the torsion spring is connected with the lower driving sheet;
when the lower driving piece rotates towards the direction far away from the clamping plate, the torsion spring generates elastic force for driving the lower driving piece to reset.
4. The easy entry mechanism for a slide actuated unlocking floor lock of claim 1 wherein the lower driving plate is mounted at its end with a freely rotatable roller.
5. The slide actuated easy entry mechanism for unlocking a floor latch of claim 1, wherein said floor latch includes a rotatable latch hook;
the easy entry mechanism further comprises an unlocking sheet which is arranged opposite to the lock hook, the unlocking sheet is rotatably arranged on the cushion framework, the unlocking sheet is fixedly connected with the lock hook through a connecting piece, and the connecting piece is connected with the unlocking assembly.
6. The easy entry mechanism for a track driven unlock floor latch of claim 5 further comprising a pull rod disposed at a top of the floor latch, one end of the pull rod being hinged to the floor latch and the other end being hinged to the unlock tab.
7. The easy entry mechanism of a track driven unlocking floor lock of claim 1, wherein a connecting rod is fixedly connected to the upper track, and a power spring is sleeved on an end of the connecting rod, and one end of the power spring is fixedly connected to the upper track;
the cushion framework is rotatably connected to the end part of the connecting rod through a shaft member, and the cushion framework is fixedly connected with the other end of the boosting spring;
when the cushion framework rotates, the boosting spring applies elastic force for driving the cushion framework to rotate and lift around the front part of the cushion framework to the cushion framework.
8. The easy entry mechanism of a slide rail driven unlocking floor lock of claim 7, wherein a front bracket is fixedly arranged at the front part of the upper slide rail corresponding to the seat cushion framework, and the front bracket is fixedly connected with the connecting rod;
one end of the boosting spring is fixedly connected with the front bracket.
9. The slide actuated easy entry mechanism for unlocking a floor lock of claim 1, wherein said unlocking assembly comprises a first cable connected at one end to said actuating assembly, a second cable connected to the other end of said first cable, and a third cable;
two floor locks are arranged on two sides of the cushion framework;
the second rope is connected to one floor lock and the third rope is connected to the other floor lock.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010047845.1A CN111231784B (en) | 2020-01-16 | 2020-01-16 | Easy-to-enter mechanism for unlocking floor lock under driving of sliding rail |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010047845.1A CN111231784B (en) | 2020-01-16 | 2020-01-16 | Easy-to-enter mechanism for unlocking floor lock under driving of sliding rail |
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| Publication Number | Publication Date |
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| CN111231784A CN111231784A (en) | 2020-06-05 |
| CN111231784B true CN111231784B (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010047845.1A Active CN111231784B (en) | 2020-01-16 | 2020-01-16 | Easy-to-enter mechanism for unlocking floor lock under driving of sliding rail |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN116176372A (en) * | 2022-12-21 | 2023-05-30 | 中国第一汽车股份有限公司 | Motor signal trigger mechanism, car seat assembly and car |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106985711A (en) * | 2017-03-28 | 2017-07-28 | 延锋安道拓座椅有限公司 | It is a kind of that there is the seat for easily entering linkage structure |
| CN110329118A (en) * | 2019-07-10 | 2019-10-15 | 富卓汽车内饰（安徽）有限公司 | A kind of connecting rod drive-type seat fast moves unlocking mechanism |
| CN110466396A (en) * | 2019-09-19 | 2019-11-19 | 上海国琻汽车科技有限公司 | Automotive seat easily into the sliding rail stroke switching mechanism of seat and comprising it |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9399409B2 (en) * | 2012-02-08 | 2016-07-26 | Faurecia Automotive Seating, Llc | Easy-entry vehicle seat with cover assembly |
| US10442322B2 (en) * | 2017-11-17 | 2019-10-15 | Brose Fahrzeugteile Gmbh & Co. Kommanditgesellschaft | Easy-entry vehicle seat |
-
2020
- 2020-01-16 CN CN202010047845.1A patent/CN111231784B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106985711A (en) * | 2017-03-28 | 2017-07-28 | 延锋安道拓座椅有限公司 | It is a kind of that there is the seat for easily entering linkage structure |
| CN110329118A (en) * | 2019-07-10 | 2019-10-15 | 富卓汽车内饰（安徽）有限公司 | A kind of connecting rod drive-type seat fast moves unlocking mechanism |
| CN110466396A (en) * | 2019-09-19 | 2019-11-19 | 上海国琻汽车科技有限公司 | Automotive seat easily into the sliding rail stroke switching mechanism of seat and comprising it |
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| CN111231784A (en) | 2020-06-05 |
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Address after: 201315 No. 669 Kang'an Road, Kangqiao Industrial Zone, Pudong New District, Shanghai Patentee after: Yanfeng international Seat System Co.,Ltd. Address before: 201315 No. 669 Kang'an Road, Kangqiao Industrial Zone, Pudong New District, Shanghai Patentee before: YANFENG ADIENT SEATING Co.,Ltd. |