CN222713356U - Adjustable automobile seat - Google Patents

Abstract

The utility model relates to an adjustable car seat, comprising a cushion wall panel and a backrest frame installed on a base, wherein the cushion wall panel and the backrest frame are linked to each other and move relative to each other through a locking mechanism; when the locking mechanism is in an unlocked state, the backrest frame can be flipped backward relative to the cushion wall panel, at which time, the cushion wall panel is in a low position and remains stationary; or the cushion wall panel can be lifted from a low position relative to the base while driving the backrest frame to flip forward through a limiting mechanism. The utility model realizes the linkage and relative movement of the cushion wall panel and the backrest frame through a locking mechanism, which can reduce the number of driving components (such as motors) and thus save costs.

Description

Adjustable automobile seat

Technical Field

The utility model relates to the technical field of vehicles, in particular to an adjustable automobile seat.

Background

Along with the continuous development of the automobile industry, the intelligent degree is continuously improved, and the comfort requirements of terminal clients and automobile host factories on automobile seats are increasingly improved. With the growth promotion of new scenes, zero gravity seats are increasingly being mentioned. The aim of the 'zero gravity' posture seat adjustment is to meet the requirements of the supporting force of three main parts of the feet, thighs and trunk of the passenger, so that the three main parts are fully and properly supported, the back and leg pressures are dispersed, the whole body muscles are in a relaxed state, and the extremely relaxed state of the passenger is achieved.

In order to meet the inclination angle adjusting range and the cushion height adjusting range of the zero gravity seat, the applicant provides a seat five-link structure (application number: 202110648638.6, the invention is named: a seat five-link structure), which is provided with one motor and two angle adjusters for backrest adjustment, two motors and two racks for cushion height adjustment, and one motor and two angle adjusters for cushion front lifting adjustment, so that the number of driving parts is more and the cost is higher.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art, provide an adjustable automobile seat and solve the problem that the cost is high due to the fact that the existing zero-gravity seat is provided with a large number of driving parts for meeting adjustment requirements.

The technical scheme for achieving the purpose is as follows:

The utility model provides an adjustable automobile seat, which comprises a cushion wall plate and a backrest framework which are arranged on a base, wherein the cushion wall plate and the backrest framework realize mutual linkage and relative movement through a lock mechanism, and a limiting mechanism is arranged between the cushion wall plate (2) and the backrest framework (1);

When the lock mechanism is in an unlocking state, the backrest framework can turn backwards relative to the cushion wall plate, at the moment, the cushion wall plate is in a low position and keeps static, or the cushion wall plate can lift from the low position relative to the base and drive the backrest framework to turn forwards through the limiting mechanism.

The adjustable automobile seat is further improved in that when the lock mechanism is in an unlocking state, the backrest framework can be turned backwards relative to the cushion wall plate through manpower or gravity of the backrest framework, and the cushion wall plate can be lifted from a low position relative to the base through electric power and meanwhile, the backrest framework is driven to turn forwards through the limiting mechanism.

The utility model further improves the adjustable automobile seat, which comprises a pair of rear connecting rods, one ends of the rear connecting rods are rotatably connected with the rear part of the cushion wallboard, the other ends of the rear connecting rods are rotatably connected with the base, the backrest framework comprises a pair of lower brackets, when the lock mechanism is in an unlocking state, the lower brackets can turn backwards relative to the rear connecting rods, and the rear connecting rods can drive the lower brackets to turn forwards synchronously.

A further improvement of the adjustable car seat of the present utility model is that the pair of lower brackets are arranged coaxially with the pair of rear links.

The adjustable automobile seat is further improved in that the adjustable automobile seat further comprises a pair of angle adjusters, and the angle adjusters are arranged between the lower bracket and the rear connecting rod and are connected through a synchronous rod.

The utility model further improves the adjustable automobile seat in that the lock mechanism comprises a lock tongue rotatably arranged on the lower bracket and a blocking protrusion matched with the lock tongue.

The utility model further improves the adjustable automobile seat in that when the locking mechanism is in a locking state, the blocking protrusion is blocked by the lock tongue so as to limit the backrest framework to turn backwards relative to the cushion wall plate.

The utility model further improves the adjustable automobile seat, wherein the backrest framework is provided with a rear stop block corresponding to the blocking protrusion, and the rear stop block is arranged so that when the backrest framework is driven to turn forwards, the rear stop block can be blocked by the blocking protrusion to limit the angle of the backrest framework to turn forwards.

The adjustable automobile seat is further improved in that the adjustable automobile seat further comprises a linkage ring arranged between the angle adjuster and the lower bracket, one side of the linkage ring penetrates through the lower bracket to be fixedly connected with the cushion wall plate, the other side of the linkage ring is fixedly connected with a fixed disc of the angle adjuster, and the baffle protrusion is arranged on the linkage ring.

The utility model further improves the adjustable automobile seat, wherein one side of the rear connecting rod is fixedly connected with the rotating disc of the angle adjuster, and the other side of the rear connecting rod is fixedly connected with the rear pipe.

The utility model further improves the adjustable automobile seat, wherein the limiting mechanism comprises an arc-shaped groove arranged on one of the rear connecting rod and the lower bracket and a limiting pin arranged on the other of the rear connecting rod and the lower bracket, the limiting pin can move in the arc-shaped groove so that when the locking mechanism is in an unlocking state, the backrest framework can be turned backwards relative to the seat cushion wallboard, or when the rear connecting rod is turned forwards, the limiting pin drives the lower bracket to synchronously rotate forwards.

A further improvement of the adjustable car seat according to the utility model is that the adjustable car seat further comprises an unlocking lever driving the locking mechanism to switch between an unlocked state and a locked state.

A further improvement of the adjustable car seat according to the utility model is that the unlocking lever is rotatably arranged on the lower bracket.

The adjustable automobile seat is further improved in that the unlocking rod can push the lock tongue to rotate, so that the lock tongue is far away from the baffle protrusion, and the backrest framework is allowed to turn backwards relative to the cushion wall plate.

The adjustable automobile seat has the beneficial effects that:

The adjustable automobile seat realizes the mutual linkage and the relative movement of the cushion wall plate and the backrest framework through the lock mechanism, so that the number of driving parts (such as a motor) can be reduced, and the cost is saved.

The adjustable automobile seat provided by the utility model has the physical limiting characteristics of the blocking convex block, the rear stop block, the arc-shaped groove and the limiting pin, so that the number of sensors is correspondingly reduced, and the cost can be further saved.

The adjustable automobile seat provided by the utility model can be designed into a light framework, the number of components (such as a motor and a sensor) is reduced, the weight of the seat can be reduced, and the competitiveness of products is improved.

The adjustable automobile seat has the advantage of saving space and can optimize the foot space of the rear row because the angle adjusters are coaxially arranged through the synchronous rods.

Drawings

Fig. 1 is a schematic structural view of an adjustable car seat of the present utility model.

Fig. 2 is a schematic structural view of a back skeleton portion of the adjustable automobile seat of the present utility model.

Fig. 3 is a schematic view of an exploded structure of the structure shown in fig. 1.

Fig. 4 is a schematic exploded view of the structure of fig. 2.

Fig. 5 to 8 are schematic structural views of an adjustable car seat according to the present utility model, which is adjusted from an initial position to a first rest position, a zero pressure position and a second rest position in a parking mode.

Fig. 9 to 11 are schematic structural views of the lock mechanism of the adjustable car seat of the present utility model during adjustment from the initial position to the zero pressure posture in the parking mode.

Fig. 12 to 14 are schematic structural views of a seat cushion wall, a backrest frame and a lock mechanism in the process of adjusting the adjustable car seat from a zero-pressure posture to a second rest posture in a parking mode.

Fig. 15 to 17 are schematic structural views of the adjustable car seat of the present utility model adjusted from an initial position to a raised posture and a second rest posture in a driving mode.

Fig. 18 to 20 are schematic structural views of a seat cushion wall and a back frame during adjustment of the adjustable car seat from an initial position to a raised position and a second rest position in a driving mode.

Fig. 21 to 23 are flowcharts of the adjustment of the adjustable car seat of the present utility model.

Reference numerals illustrate:

1-backrest framework, 2-cushion wallboard, 3-driving motor, 4-slide rail, 41-rear connecting seat, 5-front lifting bracket, 6-first angle adjuster, 7-front connecting rod, 8-front lifting connecting rod, 9-front pipe, 10-first synchronizing rod, 11-upper frame, 12-torsion spring, 13-unlocking rod, 14-lower bracket, 141-through opening, 15-synchronizing rod, 16-lock tongue mounting ring, 17-rear stop dog, 18-linkage ring, 181-blocking protrusion, 19-angle adjuster, 20-rear connecting rod, 201-arc groove, 202-pin hole, 21-lock tongue, 22-limiting pin, 23-rear pipe and 24-front lifting motor.

Detailed Description

The utility model will be further described with reference to the drawings and the specific examples.

Referring to fig. 1, the utility model provides an adjustable automobile seat, wherein the linkage and the relative movement of a seat cushion wallboard and a backrest framework are realized through a lock mechanism, and two adjusting functions, namely the lifting of the seat cushion wallboard and the rotation of the backrest framework, are realized through one motor, so that the number of driving parts can be reduced, the cost can be saved, and the weight of the seat can be reduced. The structure of the adjustable car seat of the present utility model will be described with reference to the accompanying drawings.

Referring to fig. 1, a schematic structural view of an adjustable car seat of the present utility model is shown. Referring to fig. 3, there is shown a schematic exploded view of the structure of fig. 1 of the present utility model. Referring to fig. 4, there is shown a schematic exploded view of the structure of fig. 2 of the present utility model. The structure of the adjustable car seat of the present utility model will be described with reference to fig. 1, 3 and 4.

As shown in fig. 1, 3 and 4, the adjustable car seat of the present utility model includes a seat cushion wall plate 2 and a back frame 1 mounted on a base, and the seat cushion wall plate 2 and the back frame 1 are interlocked and moved relative to each other by a lock mechanism.

Further, the lock mechanism comprises a lock tongue 21 rotatably arranged on the backrest framework 1 and a blocking protrusion 181 connected with the cushion wall plate 2, the blocking protrusion 181 is matched with the lock tongue 21, the lock tongue 21 can block the blocking protrusion 181 to realize a locking state of the lock mechanism, the backrest framework 1 and the cushion wall plate 2 can be linked with each other in the locking state, the lock tongue 21 is far away from the blocking protrusion 181 through rotating the lock tongue 21, and the unlocking state of the lock mechanism is realized, and the backrest framework 1 and the cushion wall plate 2 can relatively move in the unlocking state.

Thus, the number of driving components of the cushion wall plate 2 and the backrest framework 1 can be reduced due to the arrangement of the lock mechanism, and the driving components are not required to be arranged for the cushion wall plate 2 and the backrest framework 1 respectively, so that the cost can be saved.

In one embodiment of the present utility model, as shown in fig. 1 and 4, the adjustable car seat includes a pair of rear links 20, one ends of the rear links 20 being rotatably connected to the rear portion of the cushion pan 2, and the other ends of the rear links 20 being rotatably connected to the base. The rear link 20 is rotatably adjustable about a rotational connection with the base so that the rear portion of the cushion pan 2 can be lifted upwardly from a low position or lowered from a high position to a low position. As shown in fig. 12 to 14, the process of the rotational adjustment of the rear link 20 to raise the rear portion of the cushion pan 2 from the low position to the high position is shown.

Further, as shown in fig. 2, the back frame 1 includes a pair of lower brackets 14, the lower brackets 14 being provided between the rear links 20 of the cushion pan 2, a through-hole 141 being provided in a lower portion of the lower brackets 14, and the cushion pan 2 and the rear links 20 being rotatably connected through the through-hole 141. Thus, in the unlocked state of the lock mechanism, the lower bracket 14 is relatively movable with respect to the cushion pan 2 and the rear link 20, including backward and forward tipping. Preferably, the back frame 1 or the lower bracket 14 can be flipped backward with respect to the cushion pan 2 and the rear link 20 by a manual force (such as pushing the back frame backward by hand or leaning backward by force) or the weight of the back frame 1, and can be flipped forward with respect to the cushion pan 2 and the rear link 20 by a manual force.

Still further, a limiting mechanism is provided between the lower bracket 14 and the rear link 20, the limiting mechanism limits the backward tilting angle of the lower bracket 14 relative to the rear link 20, the locking mechanism is in an unlocked state, and after the lower bracket 14 is tilted backward relative to the rear link 20, the limiting mechanism generates a limiting effect, so that the lower bracket 14 cannot be tilted backward relative to the rear link 20 any more. Meanwhile, under the action of the limiting mechanism, when the rear connecting rod 20 rotates around the rotation connection part with the base to be adjusted, the rear part of the cushion wall plate 2 is driven to be lifted from a low position relative to the base, and at the moment, the cushion wall plate 2 and the rear connecting rod 20 can drive the backrest framework 1 and the lower bracket 14 to turn forwards due to the limiting effect of the limiting mechanism. Thus, the backrest framework 1 is driven to turn forward by lifting the cushion wall plate 2, and the backrest framework 1 is prevented from being turned forward and reset by manpower.

As shown in fig. 7, the adjustable automobile seat provided by the utility model has the advantages that by arranging the lock mechanism and the limiting mechanism, when the lock mechanism is in an unlocking state, the backrest framework 1 can be turned backwards relative to the cushion wall plate 2, and at the moment, the cushion wall plate 2 is in a low position and kept stationary, and the backrest framework 1 can be driven to turn forwards while the cushion wall plate 2 is lifted from the low position relative to the base, as shown in fig. 12-14.

In a preferred embodiment, as shown in fig. 2 and 4, the limiting mechanism includes an arc-shaped slot 201 and a limiting pin 22, wherein the arc-shaped slot 201 is provided on the rear link 20, the limiting pin 22 is provided on the lower bracket 14, the limiting pin 22 passes through the arc-shaped slot 201, and the limiting pin 22 can move in the arc-shaped slot 201.

As shown in fig. 9 to 11, initially, the stopper pin 22 is at the lowermost end of the arc-shaped groove 201, and in the unlocked state of the lock mechanism, the lower bracket 14 can be turned backward relative to the cushion pan 2 and the rear link 20, at which time the stopper pin 22 moves upward in the arc-shaped groove 201, and when the stopper pin 22 moves to the uppermost end of the arc-shaped groove 201, the angle at which the lower bracket 14 is turned backward is restricted. Referring to fig. 12 and 13, in the locked state of the lock mechanism, the rear link 20 rotates counterclockwise around the rotational connection with the base, the rear portion of the cushion wall plate 2 is lifted and adjusted upward from a low position, and the stopper pin 22 abuts against the uppermost groove wall of the arc-shaped groove 201, so that the lower bracket 14 is driven to synchronously turn forward.

It is contemplated that the arcuate slot 201 may be provided on the lower bracket 14 and the stop pin 22 may be provided on the rear link 20. Initially, the limiting pin 22 is at the uppermost end of the arc-shaped groove 201, and in the unlocked state of the lock mechanism, the lower bracket 14 can be turned backwards relative to the cushion wall plate 2 and the rear connecting rod 20, at this time, the limiting pin 22 moves downwards in the arc-shaped groove 201, and when the limiting pin 22 moves to the lowermost end of the arc-shaped groove 201, the backward turning angle of the lower bracket 14 is limited. When the lock mechanism is in a locking state, the rear connecting rod 20 rotates anticlockwise around the rotating connection part with the base, the rear part of the cushion wall plate 2 is lifted and adjusted upwards from a low position, the limiting pin 22 abuts against the groove wall at the lowest end of the arc-shaped groove 201, and the lower bracket 14 is driven to synchronously turn forwards.

In another preferred embodiment, the limiting mechanism includes a limiting structure such as a limiting blocking piece or a limiting protrusion, and when the lock mechanism is in the unlocked state, the lower bracket 14 is turned backwards relative to the cushion wall plate 2 and the rear link 20 until the limiting structure such as the limiting blocking piece or the limiting protrusion contacts, so that the backward turning angle of the lower bracket 14 is limited. And the rear connecting rod 20 rotates around the rotation connection part with the base, the rear part of the cushion wall plate 2 is lifted and adjusted from a low position, and the lower bracket 14 can be driven to synchronously turn forwards by limiting the limiting structures such as a limiting baffle or a limiting bulge. Preferably, the limiting structures such as the limiting baffle or the limiting protrusion can be arranged at the upper end and the lower end of the arc-shaped groove 201 shown in fig. 2, so that the backward overturning angle of the lower bracket can be limited, the forward overturning angle of the lower bracket can be limited, and the lower bracket 14 can be driven to synchronously overturn forward when the rear part of the cushion wall plate 2 is lifted upwards from a low position.

In one embodiment of the present utility model, the adjustable car seat of the present utility model further comprises a drive assembly drivingly connected to the pair of rear links 20 for driving the rear links 20 to rotate about the pivotal connection with the base to effect lifting of the rear portion of the seat cushion pan 2 from a low position to a raised position or dropping from a raised position to a low position. Thus, the lifting adjustment of the cushion wall plate 2 of the present utility model can be achieved by electric power.

Further, as shown in fig. 3 and 4, the driving assembly comprises a pair of angle adjusters 19, a synchronizing rod 15 and a driving motor 3, wherein the angle adjusters 19 are arranged corresponding to the rear connecting rod 20, the angle adjusters 19 are arranged between the lower bracket 14 and the rear connecting rod 20, the synchronizing rod 15 is connected with the pair of angle adjusters 19 so that the pair of angle adjusters 19 can synchronously rotate, the driving motor 3 is in driving connection with one angle adjuster 9 and is used for driving the angle adjusters 9 to rotate, and further the synchronizing rod 15 drives the other angle adjusters 9 to synchronously rotate, and the rotation of the angle adjusters 9 drives the rear connecting rod 20 to rotate, so that the lifting adjustment or the falling adjustment of the rear part of the driving cushion wall plate 2 is realized. Preferably, the driving motor 3 is disposed outside one of the cushion wall plates 2.

Still further, the recliner 19 is connected to the seat cushion wall plate 2 through the through-hole 141 of the lower bracket 14, and the fixed plate of the recliner 19 is fixedly connected to one side of the rear link 20, for example, by welding. The bolt 21 of the lock mechanism is rotatably arranged on the lower bracket 14, and the blocking boss 181 is arranged on the fixed disk of the angle adjuster 19. As shown in fig. 9, the lock tongue 21 blocks the blocking projection 181, and the lock mechanism is in the locked state. As shown in fig. 10, the locking bolt 21 does not block the blocking protrusion 181, and the lock mechanism is in an unlocked state, wherein unlocking can be achieved by rotating the locking bolt 21 away from the blocking protrusion 181.

Still further, as shown in fig. 2 and 4, the adjustable car seat of the present utility model further includes a linkage ring 18, wherein the linkage ring 18 is disposed between the recliner 18 and the lower bracket 14, and one side of the linkage ring 18 passes through the through-hole 141 of the lower bracket 14 to be fixedly connected with the cushion wall plate 2, for example, may be fixed by welding. The other side of the linkage ring 18 is fixedly connected with a fixed disc of the angle adjuster 19, for example, the linkage ring can be fixed by welding. After the linkage ring 18 is provided, the blocking protrusion 181 may be provided on the linkage ring 18.

Still further, as shown in fig. 2 to 4, a pair of the lower brackets 14 are arranged coaxially with a pair of the rear links 20, a pair of the recliner 19 and the synchronizing lever 15 are also arranged coaxially, and the lower brackets 14, the rear links 20 and the recliner 19 are also arranged coaxially. Preferably, the adjustable car seat of the present utility model further comprises a rear tube 23, the rear tube 23 is sleeved on the synchronizing rod 15, the rear tube 23 is disposed between the pair of rear links 20, and the rear tube 23 is fixedly connected to a side of the rear links 20 away from the recliner 19, for example, by welding.

Still further, as shown in fig. 2 and 4, a rear stopper 17 is provided on the lower bracket 14 of the back frame 1 corresponding to the blocking protrusion 181, and the rear stopper 17 is configured such that when the back frame 1 is driven to turn forward, the rear stopper 17 can be blocked by the blocking protrusion 181 to define an angle at which the back frame 1 turns forward. In the locked state shown in fig. 9, the rear stopper 17 and the lock tongue 21 are located at both sides of the blocking protrusion 181, after the lock tongue 21 is unlocked, the lower bracket 14 can be turned backward relative to the cushion wall plate 2, the lower bracket 14 rotates clockwise in fig. 9, at this time, the rear stopper 17 is far away from the blocking protrusion 181, the state is as shown in fig. 11, and when the cushion wall plate 2 drives the backrest frame 1 to turn forward while lifting and adjusting, the angle of the backrest frame 1 to turn forward is limited by the abutment of the rear stopper 17 and the blocking protrusion 181.

In one embodiment of the present utility model, as shown in fig. 1 to 4, the adjustable car seat of the present utility model further includes an unlocking lever 13 that drives the lock mechanism to switch between an unlocked state and a locked state. The unlocking lever 13 can be manually operated to switch the drive lock mechanism between the unlocked state and the locked state, or can be electrically operated to switch the drive lock mechanism between the unlocked state and the locked state.

Further, the unlocking lever 13 is rotatably disposed on the lower bracket 14, and by rotating the unlocking lever 13, the unlocking lever 13 can push the lock tongue 21 to rotate, so that the lock tongue 21 is far away from the blocking protrusion 181, and unlocking is achieved, that is, the backrest frame 1 is allowed to turn backwards relative to the cushion wall plate 2. The unlocking rod 13 can also be rotated to enable the unlocking rod 13 to push the lock tongue 21 to rotate to be attached to the blocking protrusion 181, so that locking is achieved.

Still further, as shown in fig. 2, 4 and 9, the lock tongue 21 is rotatably mounted on the lower bracket 14 through the lock tongue mounting ring 16, the lock tongue 21 includes a first support portion and a second support portion which are disposed at an intersecting angle, wherein the first support portion can be abutted against the blocking protrusion 181, one end of the unlocking rod 13 is rotatably mounted on the lower bracket 14, the other end of the unlocking rod extends between the first support portion and the second support portion, and the rod body of the unlocking rod 13 is attached to the second support portion, so that when the unlocking rod 13 is rotated, the unlocking rod 13 can push the second support portion to further rotate the lock tongue 21 to unlock, or the unlocking rod 13 pushes the first support portion to rotate to lock the lock tongue 21.

Still further, be provided with torsional spring 12 in the rotation installation department of release lever 13, this torsional spring 12 exerts the elasticity under the natural state and lets release lever 13 promote first branch portion and let spring bolt 21 and keep off protruding 181 offset realization locking state, when rotating release lever 13 and unblock, need overcome the elasticity of torsional spring 12 and let spring bolt 21 rotate to keeping away from keeping off protruding 181, when removing the unblock effort that exerts on release lever 13, torsional spring 12 can let release lever 13 reset, and then make spring bolt 21 rotate to offset with keeping off protruding 181, realized the locking state that lock mechanism is in.

In one embodiment of the present utility model, as shown in fig. 1 to 4, the adjustable car seat of the present utility model further includes a pair of front links 7, one ends of the front links 7 are rotatably connected to the front portion of the cushion pan 2, and the other ends of the front links 7 are rotatably connected to the base. The front connecting rod 7 can drive the front part of the cushion wall plate 2 to be lifted upwards from a low position or fall back downwards from a high position, namely, the lifting adjustment and the falling adjustment of the front part of the cushion wall plate 2 are realized.

Further, the base may be an automobile chassis, and may also be a sliding rail 4 fixed on the automobile chassis. The sliding rail 4 is arranged on the automobile chassis, and the movement adjusting function of the automobile seat can be realized through the sliding rail.

Still further, the adjustable automobile seat of the utility model further comprises another driving component which is in driving connection with the front connecting rod 7, the driving component comprises a pair of first angle adjusters 6, a pair of front lifting connecting rods 8, a first synchronizing rod 10 and a front lifting motor 24, a fixed disc of the first angle adjusters 6 is connected with the front lifting connecting rods 8, the other side of each first angle adjuster 6 is connected with the sliding rail 4 through the front lifting bracket 5, or the other side of each first angle adjuster 6 can be connected with the base, the first synchronizing rod 18 is in supporting connection with two first angle adjusters 6 so as to realize synchronous rotation of the two first angle adjusters 6, the front lifting motor 24 is in driving connection with one first angle adjuster 6 and is used for driving the first angle adjusters 6 to rotate, and the other first angle adjusters 6 are driven to synchronously rotate through the first synchronizing rod 10, so that the front lifting connecting rods 8 are driven to rotate. The front part of the front lifting link 8 is hinged with the front link 7, as shown in fig. 19 and 20, the rotation of the front lifting link 8 drives the front link 7 to be upward, and then the front part of the cushion wall plate 2 is lifted upward for adjustment.

The adjustable car seat of the utility model further comprises a front pipe 9, which front pipe 9 is supportingly connected between the two front lifting links 8, and the arrangement of the front pipe 9 improves the structural stability of the front lifting links 8.

Still further, a rear connecting seat 41 is provided at the rear of the slide rail 4, the rear connecting seat 41 is rotatably connected with the rear connecting rod 20, a pin hole 202 is provided on the rear connecting rod 20, and a pin shaft is inserted into the pin hole 202 to realize rotatable connection of the rear connecting rod 20 to the base.

The back frame 1 of the adjustable automobile seat of the present utility model further includes an upper frame 11, and the bottom of the upper frame 11 is connected to a pair of lower brackets 14.

The adjusting function of the adjustable car seat of the present invention will be described below.

As shown in fig. 15 to 20, the adjustable car seat is adjusted from an initial position to a raised posture and a second rest posture in the driving mode, and the state shown in fig. 15 is the initial position where the seat cushion wall plate height is 0mm, the seat cushion wall plate angle is 0 °, and the back frame is at a certain inclination angle. Fig. 16 shows a state of a lifting posture where the cushion wall plate has a height h1 and the angle between the seatback frame and the cushion wall plate is unchanged. Fig. 17 shows a second resting posture in which the seat cushion wall plate has a height h1, the seat cushion wall plate has an angle a2, the back frame has an angle b3, and the angle between the back frame and the seat cushion wall plate is unchanged.

The adjustment process of the adjustable car seat is described below in connection with the control logic of the adjustable car seat shown in fig. 21. The car starts, and the adjustable car seat is in the initial position that fig. 15 shows, and the user can carry out the seat according to self needs this moment and adjusts including the altitude mixture control of cushion wallboard and cushion wallboard's angular adjustment.

As shown in fig. 18 and 19, the adjustable car seat is from the initial position shown in fig. 15 to the lifting posture shown in fig. 16, and in combination with fig. 1 to 4, 21 and 22, the height adjustment of the cushion panel can enable the cushion panel to be in the lifting posture by the reverse driving of the driving motor 3, specifically, the driving motor 3 drives the recliner 19 to rotate, the recliner 19 drives the rear link 20 to rotate counterclockwise about the axis of the recliner 19 (i.e., the axis of the synchronizing rod 15) (the arrow method shown in fig. 19), the end portion of the rear link 20 is hinged on the rear connecting seat 41 of the slide rail 4, the rear link 20 rotates counterclockwise about the hinge point, so that the cushion panel 2 is lifted, the backrest frame 1 is lifted along with the cushion panel 2, but the backrest frame 1 is not driven to rotate. On the contrary, through the forward drive of driving motor 3, can let the height of cushion wallboard reduce, cushion wallboard returns initial gesture from the lifting gesture.

As shown in fig. 19 and 20, from the raised position shown in fig. 16 to the second rest position shown in fig. 17 (i.e., the rest position (high position)), the angle adjustment of the cushion panel is performed by the forward driving of the front end motor (i.e., the front lift motor 24), so that the angle of the cushion panel becomes larger, specifically, the front lift motor 24 drives the first recliner 6 to rotate, and the first recliner 6 rotates clockwise with the front lift link 8 (arrow method shown in fig. 20), thereby driving the front link 7 so that the angle of the cushion panel 2 becomes larger. Conversely, by driving the front motor (i.e., the front lift motor 24) in a reverse direction, the angle of the cushion panel becomes smaller, and the cushion panel returns to the raised position from the second resting position. As shown in fig. 5 to 8, the adjustable car seat is shown in the park mode adjusted from the initial position to the first rest position, the zero-pressure position, and the second rest position. The state shown in fig. 5 is an initial position where the cushion wall plate is 0mm in height, the cushion wall plate is 0 ° in angle, and the back frame is inclined at a certain angle. The state shown in fig. 6 is a first resting posture where the seat cushion wall plate height is 0mm, the seat cushion wall plate angle is a1, and the back frame angle is b1. The state shown in fig. 7 is a zero pressure posture where the cushion pan height is 0mm, the cushion pan angle is a1, the back frame angle is b2, and the angle b2 is greater than the angle b1 because the back frame is rotated rearward from relative to the cushion pan. Fig. 8 shows a second resting posture, where the seat cushion wall plate has a height h1, the seat cushion wall plate has an angle a2, the angle a2 is smaller than the angle a1, the backrest frame has an angle b3, and the angle b3 is smaller than the angle b1.

From the initial position shown in fig. 5 to the first rest posture shown in fig. 6, in combination with fig. 21 to 23, the angle adjustment of the cushion wall plate can be driven forward by the front motor (i.e. the front lifting motor 24), so that the angle of the cushion wall plate can be increased, specifically, the front lifting motor 24 drives the first angle adjuster 6 to rotate, the first angle adjuster 6 drives the front lifting connecting rod 8 to rotate clockwise, and then drives the front connecting rod 7 to change the angle of the cushion wall plate 2. At this time, since the cushion pan 2 is not lifted, the first rest posture may be referred to as a rest posture (low position). Conversely, by the reverse drive of the front motor (i.e., the front lift motor 24), the angle of the cushion wall becomes smaller, and the cushion wall returns to the initial posture from the first resting posture.

As shown in fig. 9 to 11, from the first rest posture shown in fig. 6 to the zero pressure posture shown in fig. 7, the angle of the back frame can be increased by the unlocked state of the lock mechanism and the backward turning adjustment of the back frame, specifically, the unlocking lever 13 is rotated clockwise, the lock tongue 21 is away from the blocking boss 181, the lock mechanism is in the unlocked state, the back frame 1 is turned backward relative to the cushion wall plate 2 by an external force (manpower or the gravity of the back frame), and the stopper pin 22 moves to the uppermost end in the arc groove 201, so that the turning angle of the back frame 1 is restricted.

As shown in fig. 12 to 14, from the zero-pressure posture shown in fig. 7 to the second rest posture shown in fig. 8, by driving the rear end motor (i.e., the driving motor 3) in a reverse direction, the seat cushion wall plate is lifted, the backrest frame rotates in a linkage manner, specifically, the driving motor 3 drives the recliner 19 to rotate, the recliner 19 drives the rear link 20 to rotate counterclockwise around the axis of the recliner 19 (i.e., the axis of the synchronizing rod 15), the hinge point of the lower end of the rear link 20 is arranged on the slide rail 4, the rear link 20 rotates counterclockwise around the hinge point of the lower end, meanwhile, the limiting pin 22 of the lower bracket 14 of the backrest frame 1 is pushed by the wall of the arc-shaped groove 201 on the rear link 20, so that the lower bracket 14 rotates counterclockwise around the axis of the recliner 19, the rotation angle of the rear link 20 and the lower bracket 14 is limited by the rear stop 17, when the rear stop 17 contacts with the stop 181, the lower bracket 14 rotates to a proper position, the unlocking lever 13 rotates counterclockwise (as shown in fig. 14), the locking mechanism is in a clockwise rotation mode or a clockwise rotation mode, the locking mechanism is reached, and the locking mechanism is locked or the locking mechanism is in a clockwise rotation mode, or the locking mechanism is reached in a clockwise direction, and the locking mechanism is reached in a clockwise rotation as shown in fig. 14.

As shown in fig. 22, the adjustable car seat can be adjusted from a rest position (high position), i.e., a second rest position, to a rest position (low position), i.e., a first rest position, and the cushion wall plate is adjusted in height by forward driving of the rear end motor (i.e., the driving motor 3), so that the cushion wall plate is in the rest position (low position), and then the cushion wall plate angle can be adjusted by reverse driving of the front end motor (i.e., the front lifting motor 24), so that the cushion wall plate is adjusted to the initial position.

As shown in fig. 23, the adjustable car seat can be adjusted from the initial position to a rest posture (high position), namely, a second rest posture, specifically, the back-end motor (namely, the driving motor 3) is driven in a reverse direction and the front-end motor (namely, the front lifting motor 24) is driven in a forward direction, so that the height lifting of the seat cushion wall plate and the angle of the seat cushion wall plate are simultaneously increased. On the contrary, through the forward drive of the rear end motor (namely the driving motor 3) and the reverse drive of the front end motor (namely the front lifting motor 24), the height reduction of the seat cushion wall plate and the angle reduction of the seat cushion wall plate are realized at the same time, and the adjustable automobile seat is adjusted to the initial position from the second rest posture.

The present utility model has been described in detail with reference to the embodiments of the drawings, and those skilled in the art can make various modifications to the utility model based on the above description. Accordingly, certain details of the illustrated embodiments are not to be taken as limiting the utility model, which is defined by the appended claims.

Claims (14)

1. The adjustable automobile seat comprises a cushion wall plate (2) and a backrest framework (1) which are arranged on a base, and is characterized in that the cushion wall plate (2) and the backrest framework (1) realize linkage and relative movement through a lock mechanism, and a limiting mechanism is arranged between the cushion wall plate (2) and the backrest framework (1);

When the lock mechanism is in an unlocking state, the backrest framework (1) can be turned backwards relative to the cushion wall plate (2), at the moment, the cushion wall plate (2) is in a low position and keeps static, or the cushion wall plate (2) can be lifted from the low position relative to the base and drives the backrest framework (1) to turn forwards through the limiting mechanism.

2. The adjustable automobile seat according to claim 1, wherein when the lock mechanism is in an unlocked state, the back frame (1) can be turned back relative to the cushion wall plate (2) by manpower or gravity of the back frame (1), and the cushion wall plate (2) can be lifted from a low position relative to the base by electric power while driving the back frame (1) to turn forward by the limit mechanism.

3. The adjustable car seat according to claim 1, characterized in that the adjustable car seat comprises a pair of rear links (20), one ends of the rear links (20) are rotatably connected to the rear portion of the cushion pan (2), the other ends of the rear links (20) are rotatably connected to the base, the back frame (1) comprises a pair of lower brackets (14), when the lock mechanism is in the unlocked state, the lower brackets (14) can be turned backward relative to the rear links (20), and the rear links (20) can drive the lower brackets (14) to be turned forward synchronously.

4. An adjustable car seat according to claim 3, wherein the pair of lower brackets (14) are arranged coaxially with the pair of rear links (20).

5. An adjustable car seat according to claim 3, characterized in that the adjustable car seat further comprises a pair of recliner (19), the recliner (19) being arranged between the lower bracket (14) and the rear link (20) and being connected by a synchronizing rod (15).

6. The adjustable car seat according to claim 5, characterized in that the lock mechanism comprises a locking tongue (21) rotatably arranged on the lower bracket (14), and a stop protrusion (181) cooperating with the locking tongue (21).

7. The adjustable car seat according to claim 6, characterized in that the blocking projection (181) is blocked by the lock tongue (21) when the lock mechanism is in the locked state, to restrict the back frame (1) from turning backward relative to the cushion wall (2).

8. An adjustable car seat according to claim 6, characterized in that a rear stop (17) is provided on the back frame (1) corresponding to the blocking projection (181), the rear stop (17) being arranged such that when the back frame (1) is brought to turn forward, the rear stop (17) is blocked by the blocking projection (181) to define the angle at which the back frame (1) turns forward.

9. The adjustable car seat according to claim 6, further comprising a linkage ring (18) disposed between the recliner (19) and the lower bracket (14), wherein one side of the linkage ring (18) is fixedly connected with the seat cushion wall plate (2) through the lower bracket (14), the other side of the linkage ring (18) is fixedly connected with a fixed disc of the recliner (19), and the blocking protrusion (181) is disposed on the linkage ring (18).

10. The adjustable car seat according to claim 9, characterized in that one side of the rear link (20) is fixedly connected with the rotating disc of the recliner (19), and the other side of the rear link (20) is fixedly connected with the rear tube (23).

11. The adjustable car seat according to claim 6, wherein the stopper mechanism includes an arc-shaped groove (201) provided on one of the rear link (20) and the lower bracket (14), and a stopper pin (22) provided on the other of the rear link (20) and the lower bracket (14), the stopper pin (22) being movable within the arc-shaped groove (201) so that the seatback frame (1) is turned backward with respect to the cushion pan (2) or the lower bracket (14) is synchronously rotated forward by the stopper pin (22) when the rear link (20) is turned forward when the lock mechanism is in the unlocked state.

12. The adjustable car seat according to claim 11, characterized in that the adjustable car seat further comprises an unlocking lever (13) driving the locking mechanism to switch between an unlocked state and a locked state.

13. Adjustable car seat according to claim 12, characterized in that the unlocking lever (13) is rotatably arranged on the lower bracket (14).

14. The adjustable car seat according to claim 12, characterized in that the unlocking lever (13) can push the lock tongue (21) to rotate so that the lock tongue (21) is away from the blocking projection (181) to allow the back frame (1) to be flipped backward relative to the cushion wall plate (2).