CN210502412U - Self-adaptive adjusting structure for side wing of automobile seat backrest - Google Patents

Abstract

The utility model discloses a self-adaptive adjusting structure for a backrest side wing of an automobile seat, which comprises a backrest and a seat cushion, wherein the backrest side wing is arranged on two sides of the backrest, adjusting mechanisms A are arranged on the backrest corresponding to the positions of the backrest side wings on two sides, the adjusting mechanisms A are used for adjusting an included angle A between the backrest side wing and the backrest, each adjusting mechanism A comprises a rotating support plate A and a motor, and the rotating support plate A is positioned on the front side of a backrest framework of the seat; the motor drives the rotating support plate A to rotate through the screw rod and slider transmission mechanism, and the rotating support plate A rotates to drive the backrest side wings to rotate relative to the backrest. The self-adaptive adjustment of the side wings of the backrest can be realized, so that the side wings of the backrest can be quickly adapted to the sitting posture of passengers and the road surface condition, the user experience is improved, and the adjusting structure is comfortable, stable, reliable, simple and feasible.

Description

Self-adaptive adjusting structure for side wing of automobile seat backrest

Technical Field

The utility model relates to a vehicle seat technical field, concretely relates to car seat back flank self-adaptation adjustment structure.

Background

The comfort level of the automobile seat is one of the key factors of the design of the automobile seat, and mainly comprises a framework, a spring and a foam core, wherein the spring and the foam core are matched to provide good support for the waist back and the hip of a driver and passengers, and simultaneously ensure the comfort and the stability of sitting, two sides of the existing seat back and the seat cushion are generally provided with side wing support pads for laterally surrounding and supporting the driver and the passengers, so that the influence of centrifugal action on the driver and the passengers is weakened, but because the connection angle between the side wings and the back or the seat cushion is fixed, the effect of the same seat is different for people with different body sizes, in view of the above, some seats with adjustable back side wings are also appeared in the market, but the adjustable back side wings are complex in adjusting structure, and the stability and the reliability are poor, so how to improve the stability and the reliability of the adjustment of the back side wings, the supporting performance is fully exerted, and the problem to be solved at present is formed.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a car seat back flank self-adaptation adjustment structure through the automatic adjustment of flank angle, makes it suit with the personnel's of taking gesture, improves the seat travelling comfort, improves user experience and feels.

In order to achieve the above purpose, the utility model discloses technical scheme as follows:

the utility model provides a car seat back flank self-adaptation adjustment structure, includes back and seatpad, wherein the back both sides are equipped with the back flank, and its key lies in: the backrest is provided with adjusting mechanisms A corresponding to the positions of the backrest side wings at the two sides, the adjusting mechanisms A are used for adjusting an included angle A between the backrest side wings and the backrest, each adjusting mechanism A comprises a rotating support plate A and a motor, and the rotating support plate A is positioned on the front side of a backrest framework of the seat;

the motor drives the rotating support plate A to rotate through the screw rod and slider transmission mechanism, and the rotating support plate A rotates to drive the backrest side wings to rotate relative to the backrest.

Structure more than adopting can realize the angle modulation of back flank, carries out more comprehensive support parcel to driver and crew's back, prevents the horizontal tilt, improves and takes the travelling comfort, has good user experience and feels, adopts lead screw slider drive mechanism to the regulation of back flank simultaneously, can provide bigger rotational support power, and its stability and reliability are better.

Preferably, the method comprises the following steps: the position that the back corresponds both sides adjustment mechanism A all is equipped with the mount pad, lead screw slider drive mechanism includes screw rod and slide of screw-thread fit each other, and wherein the lead screw links to each other with the motor, and the vertical setting of back is followed to the slide, and slide and mount pad sliding fit, install the gangbar with rotatable mode on the slide, the gangbar extends towards the outer fringe that corresponds the back flank, its distal end and rotation backup pad A fixed connection, works as when the motor drive lead screw rotates, the slide slides along the lead screw, and the gangbar takes place to rotate as the center of rotation with its installation center with the slide, drives rotation backup pad A rotates. The mode that the linkage rod drives the rotating support plate A to rotate is favorable for simplifying a rotating drive structure and facilitating production and installation.

Preferably, the method comprises the following steps: the two ends of the sliding seat are provided with symmetrically arranged mounting holes, the mounting holes are arranged along the length direction of the sliding seat, the sliding seat is provided with a abdicating groove connected with the mounting holes, the bottom of the abdicating groove is open and penetrates through the two sides of the sliding seat in the thickness direction;

the linkage rod comprises an installation part, a transmission part, an adjusting part and a connecting part which are sequentially arranged, wherein the installation part is vertical to the transmission part, the installation part is in running fit with the installation hole, the transmission part penetrates out of the open side of the abdicating groove and extends towards one side of the backrest flank in an inclined manner, the adjusting part is arc-shaped, and the circle center of the corresponding circle of the adjusting part is positioned on the inner side of the backrest;

the installation seat is characterized in that a limiting guide seat arranged along the width direction of the installation seat is arranged at the end part of one end, close to the backrest side wing, of the installation seat, a guide surface in a smooth arc surface structure is arranged on one side, facing the sliding seat, of the guide seat, and the adjusting part is in contact with the guide surface.

Through special gangbar structure and guide holder and mutually support, because the gangbar is rotated with the slide and is connected, when the regulation part moves forward and receives the hindrance of spigot surface, then the gangbar can take place to rotate relative to the slide, reach the purpose of converting rectilinear motion into circular motion through mutually supporting structure promptly, the guide holder still can provide great holding power to the gangbar simultaneously, relative through axle direct drive pivoted structure, such structure more is favorable to guaranteeing its pivoted stability and the holding power that can provide to rotating support plate A, thereby further improved rotating support plate A's bearing capacity and rotational stability.

Preferably, the method comprises the following steps: the motor is fixedly arranged on the mounting seat and arranged along the length direction of the backrest. By adopting the scheme, the whole adjusting mechanism is more compact, the occupied space is reduced, the seat can be integrally installed on the seat after being independently assembled, the modular assembly of the seat is realized, and the assembly efficiency is improved.

Preferably, the method comprises the following steps: the rotating support plate A is a guard plate which is rotatably arranged, and a pressure sensor is arranged between the rotating support plate A and the guard plate. Can detect the pressure that comes from the transmission of back flank through pressure sensor, because the backplate rotates backup pad A relative and sets up, so can not hinder pressure sensor's detection, still can play certain guard action to it simultaneously.

Preferably, the method comprises the following steps: the rotating support plate A is provided with a support arm extending outwards, a connecting shaft is arranged at the tail end of the support arm, and the guard plate is hinged to the rotating support plate A through the connecting shaft. Scheme more than adopting, it is articulated with the backplate through epitaxial support arm to reduce the turned angle of backplate, ensure simultaneously that it has great face contact with pressure sensor between, with this improvement pressure sensor's response degree of accuracy.

Preferably, the method comprises the following steps: the position of the mounting seat corresponding to the guide seat is provided with a limiting beam, the limiting beam is positioned on one side of the mounting seat far away from the backrest framework, the limiting beam and the guide seat surround to form a limiting opening, and the linkage rod penetrates out of the limiting opening. By adopting the scheme, the limiting beam can play a role in protecting the other side of the linkage rod, the interference caused by the rotation of the linkage rod by left and right parts outside is avoided, meanwhile, the maximum rotation range of the linkage rod can be limited, and the phenomenon that the linkage rod rotates too much to cause foam fatigue damage or surface cover pulling damage of the side wing of the backrest and the like is prevented.

Preferably, the method comprises the following steps: the motor passes through the motor support and can dismantle with the mount pad and be connected, the motor has the reduction gears who links to each other with it, motor support one side both ends have the first draw-in groove of symmetry setting, the tip of first draw-in groove is uncovered, have on the mount pad first draw-in groove complex first block tongue, the top of motor support is equipped with the arc spacing groove, the reduction gears bottom with the arc spacing groove suits each other. By adopting the scheme, the modular assembly of the adjusting mechanism A is facilitated, the whole assembly is completed and then the backrest framework is installed together through the installation seat, the installation efficiency is improved, and meanwhile the disassembly, assembly and maintenance of the motor in the later period are facilitated.

Preferably, the method comprises the following steps: the motor support is provided with two sinking grooves between two first clamping grooves, a second clamping groove is arranged below the middle of the arc-shaped limiting groove, the second clamping groove is provided with an open end opposite to the first clamping groove, the mounting seat is provided with a second clamping groove matched limiting piece, and the bottom of the speed reducing mechanism is provided with a second clamping groove matched second clamping tongue. By adopting the scheme, after the installation is completed, the first clamping tongue and the second clamping tongue apply force to the motor support in opposite directions and extrude each other, so that the stability of the motor support is ensured, the vibration is reduced, and the normal work of the motor or the speed reducing mechanism is facilitated.

Compared with the prior art, the beneficial effects of the utility model are that:

adopt the utility model provides a self-adaptation adjustment structure of car seat back flank can realize the self-adaptation adjustment of back flank, makes its and the personnel's of taking position of sitting and the road surface condition quick adaptation to improve user experience and feel, and adjust comfortable reliable and stable of structure, simple and easy.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the mounting structure of the adjustment mechanism A;

FIG. 3 is an enlarged view of a portion A of FIG. 2;

FIG. 4 is a bottom view of the seat cushion;

FIG. 5 is a partial enlarged view of FIG. 4 at B;

FIG. 6 is a schematic structural diagram of an adjustment mechanism A;

FIG. 7 is a schematic view of the linkage rod mounting structure of FIG. 6;

FIG. 8 is an isometric view of FIG. 7;

FIG. 9 is a schematic view of a slider structure;

FIG. 10 is a schematic view of the internal structure of the slider;

FIG. 11 is a schematic view of a linkage rod structure;

FIG. 12 is a side view of FIG. 11;

FIG. 13 is a schematic view of the mounting base structure;

FIG. 14 is an isometric view of FIG. 13;

FIG. 15 is a schematic view of a motor base structure;

FIG. 16 is another schematic view of the structure of FIG. 15;

FIG. 17 is a side view of FIG. 15;

FIG. 18 is a schematic view of a motor mounting structure;

fig. 19 is a schematic view of a motor mount mounting structure.

Detailed Description

The present invention will be further described with reference to the following examples and accompanying drawings.

Referring to fig. 1 to 19, the self-adaptive adjusting structure for the side wings of the car seat backrest mainly includes a backrest 1, the two sides of the backrest 1 are provided with the side wings 10, an included angle a is formed between the side wings 10 and the backrest 1, the two sides of the backrest 1 corresponding to the side wings 10 are provided with adjusting mechanisms A3, the size of the included angle a can be adjusted through the adjusting mechanisms A3, more appropriate lateral supporting force and wrapping force are provided for the back of a passenger, and the sitting posture of a driver and a passenger is stable.

Referring to fig. 2 to 17, the adjusting mechanism A3 in the present application mainly includes a rotating support plate a30 and a driving mechanism 31, wherein the rotating support plate a30 and the backrest flap 10 are fixedly connected to each other, either in a foaming body at a corresponding position or in a direct connection and fixing manner, a backrest frame 11 is provided at a position corresponding to the backrest flap 10 on the backrest 1, the rotation of the rotating support plate a30 does not affect the backrest frame 11, the driving mechanism 31 is fixedly installed on the backrest frame 11, the rotating support plate a30 is located at the front side of the backrest frame 11 (the orientation of the seat in the embodiment when the seat is normally installed in a uniform manner in the front-back and left-right directions is taken as a reference), the driving mechanism 31 mainly includes a motor 33, in order to improve the stability of the adjusting mechanism, in the embodiment, the motor 33 drives the rotating support plate a30 to rotate through a screw slider transmission mechanism, which can bear, and has a long service life.

The adjusting mechanism A3 further mainly comprises an installation seat 36 and a linkage rod 35, the driving mechanism 31 further mainly comprises a sliding seat 34, and the specific structure is as follows, wherein the installation seat 36 is substantially rectangular frame structure, an open slot 365 is arranged along the length direction of the installation seat, two ends of the open slot 365 are provided with sliding rails 360 symmetrically arranged, the sliding rails 360 are formed by flanging the side walls of the sliding rails upwards, the bottom of one end of the installation seat 36 is provided with a fixing support lug 366 obliquely arranged, the inclination of the fixing support lug 366 is adapted to the backrest frame 11 at the corresponding position, the installation seat 36 is fixedly installed on the backrest frame 11 through the fixing support lug 366, the installation seat 36 is forward and extends outwards, and the two installation seats 36 are substantially in a splayed shape when viewed from above the seat, so that the arrangement is favorable for ensuring the stability of the initial posture of the rotating support plate A30, and simultaneously the initial motive force during the rotating can be reduced, reducing the power requirements of the motor 33.

Referring to fig. 6 to 10, the sliding seat 34 is movably disposed in the open slot 365, sliding grooves 340 slidably engaged with the sliding rails 360 are disposed at two ends of the sliding seat 34, the sliding grooves 340 slidably engage with the sliding rails 360, so that the sliding seat 34 can slide in the open slot 365 along a length direction thereof, a threaded hole 344 is disposed at a middle portion of the sliding seat 34, the motor 33 is detachably disposed at an end of the mounting seat 36 far away from the fixed support lug 366, the motor 33 is connected with the lead screw 32 through a steering and speed reducing mechanism, the lead screw 32 extends into the open slot 365 and is threadedly engaged with the threaded hole 344 on the sliding seat 34, an extending direction of the lead screw 32 is parallel to the sliding rails 360, and when the motor 33 works, the lead screw 32 rotates to drive the sliding seat 34 to slide along the sliding rails 360.

The two ends of the sliding seat 34 are provided with symmetrically arranged mounting holes 342, the mounting holes 342 are arranged along the length direction of the sliding seat 34, if the backrest flank 10 is used as a reference, the axis of the mounting holes 342 is parallel to the rotation center of the backrest flank 10, the two ends of the sliding seat 34 are also provided with a yielding groove 343 which is mutually communicated with the mounting holes 342, the bottom of the yielding groove 343 is open, namely, one side which is just opposite to the backrest framework 11 is open, and meanwhile, the inner side and the outer side of the yielding groove 343 facing the rotation support plate A30 are also open.

In this embodiment, the linkage rod 35 is hinged to the sliding seat 34, and the specific structure of the linkage rod 35 is as shown in fig. 11 and 12, and it is a substantially rod-shaped symmetrical body, and as for its length direction, it can be divided into a mounting portion 350, a transmission portion 351, an adjusting portion 352 and a connecting portion 353 in sequence, wherein the two mounting portions 350 of the linkage rod 35 extend in opposite directions, the connecting portions 353 at both sides bend and turn in opposite directions to each other and are connected to each other, and a fixing notch 354 is formed at the bending portion, wherein the transmission portion 351 extends toward the outer edge of the backrest 1 and is substantially perpendicular to the mounting portion 350 and smoothly transits to each other, the adjusting portion 352 extends obliquely outward and is substantially in the shape of an arc rod, the extending direction of the connecting portion 353 is substantially parallel to the transmission portion 351, and when the linkage rod 35 is in the mounting state, the circle center corresponding to the arc of the adjusting portion 352 is located at, i.e. radially inwards.

The size of the mounting portion 350 is adapted to the mounting hole 342, and the linkage rod 35 is hinged to the slide seat 34 just through the two mounting portions 350, so that the linkage rod 35 can rotate within the open range of the abdicating groove 343 by using the mounting portions 350 as a rotation center due to the open structure of the abdicating groove 343.

The end of the mounting seat 36 near the fixed lug 366 is provided with a guide seat 361, one side of the guide seat 361 facing the slide seat 34 is a smooth cambered surface structure, which forms a guide surface 362, and the arc of the guide surface 362 corresponds to the center of circle and faces the backrest 1

The installation seat 36 is provided with an n-shaped limiting beam 363 at the outer side of one end provided with the guide seat 361, the limiting beam 363 is relatively closer to the sliding seat 34, the limiting beam 363 and the guide seat 361 surround to form a limiting opening 364, the limiting opening 364 is a three-dimensional opening, a height difference exists, when the linkage rod 35 is installed on the sliding seat 34 after installation is completed, the linkage rod 35 penetrates out from the limiting opening 364, meanwhile, within the range of the sliding stroke of the sliding seat 34, the adjusting part 352 of the linkage rod 35 is always attached to the guide surface 362, that is, when the sliding seat 34 slides along the guide rail 360, the linkage rod 35 is pushed to move outwards and simultaneously receives the effect of the guide surface 362, the linkage rod 35 rotates towards the front side of the backrest 1, and the backrest flank 10 can be driven to rotate.

Referring to fig. 6 to 8 and 11, the rotation support plate a30 in this embodiment mainly includes a main body portion in the shape of a strip plate, the main body portion is disposed along the width direction of the mounting seat 36 and is fixedly connected to the fixing notch 354 on the linkage rod 35 through a locking screw 302, a portion of the main body portion corresponding to the linkage rod 35 has a groove adapted thereto, the linkage rod 35 at the position is embedded into the groove, and then the locking screw 302 is used to fixedly lock the main body portion and the linkage rod 35.

In order to realize the automatic induction adjustment of the adjusting mechanism A3, a pressure sensor 37 is disposed on the rotating support plate a30, the pressure sensor 37 is disposed on the front side, and can sense the pressure transmitted from the backrest side wing 10, and at the same time, to protect the pressure sensor 37 and ensure the sensing accuracy, in this embodiment, a protective plate 38 is further disposed on the rotating support plate a30, as shown in the figure, both ends of the rotating support plate a30 are provided with a support arm 300 extending toward the rear end of the mounting seat 36, the distal end of the support arm 300 is provided with a connecting shaft 301, the structure of the protective plate 38 is similar to that of the rotating support plate a30, the two are hinged to each other through the connecting shaft 301, and the main body portion of the protective plate 38 is provided with a through hole corresponding to the position of the locking screw 302, the locking screw 302 is connected to the rotating support plate a30 through the linkage rod 35 after passing through the through hole, the pressure sensor 37, but the movable range is limited by the locking screw 302, so that the pressure on the backrest lateral wings 10 can be transmitted to the pressure sensor 37 through the protective plate 38, thereby achieving the purpose of protecting the pressure sensor 37, simultaneously leading the backrest lateral wings to bear force as positive as possible and improving the sensing accuracy.

In addition, in consideration of the overall structure compactness and stability of the adjustment structure a3, the modular combination installation, and other factors, the motor 33 in this embodiment is detachably connected to the mounting seat 36 through the motor support 39, referring to fig. 6, 13 to 17, the motor support 39 is substantially "S" shaped and has a certain elastic recovery capability, the motor support 39 has first slots 390 symmetrically arranged at both ends of one side, the first slots 390 are arranged along the width direction, two sunken slots 393 symmetrically arranged at the middle part where the first slots 390 are arranged, the motor support 39 has an arc-shaped limiting slot 391 at the top, the arc-shaped limiting slot 391 has limiting ribs arranged along the width direction, the second slot 392 is arranged below the middle part of the arc-shaped limiting slot 391 at the other side of the motor support 39, a buffer slot 394 is arranged below the side where the second slot 392 is arranged, the buffer slot is arranged obliquely relative to the first slot 390, the installation device mainly provides buffering pre-pressure for installation, initial external force is compressed and installed, and after the installation is completed, when the external force disappears, reaction pressure can be provided for the clamping position, so that the connection firmness is improved.

The tail end of the mounting seat 36 is provided with a connecting plate extending obliquely backwards, the connecting plate is provided with a first clamping tongue 367 matched with the first clamping groove 390 and a limiting sheet 368 matched with the sunk groove 393, the motor 33 is provided with a speed reducing mechanism 330 fixedly connected with the motor, the bottom profile of the speed reducing mechanism 330 is matched with the arc-shaped limiting groove 391, the bottom of the speed reducing mechanism 330 is provided with a second clamping tongue 331 matched with the second clamping groove 392, during mounting, the two first clamping tongues 367 are respectively embedded into the corresponding first clamping grooves 390, the limiting sheet 368 is embedded into the opposite sunk groove 393, the speed reducing mechanism 330 is directly seated into the arc-shaped limiting groove 39, the second clamping tongue 331 on the speed reducing mechanism is hooked into the second clamping groove 392, and the pressure directions applied to the motor support 39 by the second clamping tongue 331 and the first clamping tongues 367 are opposite, so that the motor 33 and the speed reducing mechanism 330 are mounted and fixed in a mutual extrusion manner, thereby realizing the integral mounting of the motor 33 and the speed reducing, the backrest is stable and reliable in structure, has good compactness, occupies less space, is convenient to integrally assemble and then is installed on the backrest 1, and is favorable for improving the integral assembly efficiency.

Referring to fig. 1 to 19, in order to improve the adaptive capacity of the seat, a central control module 6, similar to a seat ECU module, is added to the seat, as shown in fig. 4 and 5, the central control module 6 is located below the seat cushion 2, the pressure sensor 37 is connected to the central control module 6, and the motor 33 is in communication connection with the central control module 6, so that after a pressure sensor 37 sends a pressure reduction sensing signal to the central control module 6, the central control module 6 can send a working instruction to the motor 33, thereby controlling the action amplitude of the adjustment mechanism a3 and achieving the purpose of adjusting the included angle a of the backrest side flap 10.

In addition, an angle sensor 7 is arranged below the seat cushion 2, the angle sensor 7 can detect the inclination angle of the seat in the left and right directions during the driving process, namely the relative inclination angle of the vehicle body and the width direction of the ground, the angle sensor 7 is also connected with the central control module 6, when the angle sensor 7 detects that the vehicle body inclines left and right, namely, the central control module 6 sends out instructions to the motor 33 to make it work, so as to realize the pre-adjustment of the backrest lateral wings 10, the adjusting process is that the seat is actively adjusted according to the driving environment, when the driver and the passengers are influenced by the inclination, the sitting posture is changed, when pressure is generated on the corresponding backrest lateral wings 10, the pressure sensed by the pressure sensor 37 is fed back to the central control module 6 in a centralized manner, the central control module 6 calculates the amplitude to be adjusted, and controls the operation of the motor 33 in a command manner, and the adjustment process is a passive adjustment process.

Finally, it should be noted that the above description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and the scope of the present invention.

Claims (10)

1. The utility model provides a car seat back flank self-adaptation adjustment structure, includes back (1) and seatpad (2), wherein back (1) both sides are equipped with back flank (10), its characterized in that: adjusting mechanisms A (3) are arranged on the backrest (1) corresponding to the positions of the backrest side wings (10) on the two sides, the adjusting mechanisms A (3) are used for adjusting an included angle A between the backrest side wings (10) and the backrest (1), each adjusting mechanism A (3) comprises a rotating support plate A (30) and a motor (33), and the rotating support plate A (30) is located on the front side of a backrest framework (11) of the seat;

the motor (33) drives the rotating support plate A (30) to rotate through the screw rod slider transmission mechanism, and the rotating support plate A (30) rotates to drive the backrest flank (10) to rotate relative to the backrest (1).

2. The adaptive adjusting structure for the side wings of the backrest of the automobile seat as claimed in claim 1, wherein: the positions of the backrest (1) corresponding to the adjusting mechanisms A (3) on the two sides are both provided with mounting seats (36), the screw rod slide block transmission mechanism comprises a screw rod (32) and a slide seat (34) which are mutually matched in a threaded manner, wherein the screw rod (32) is connected with the motor (33), the sliding seat (34) is arranged along the vertical direction of the backrest (1), the sliding seat (34) is in sliding fit with the mounting seat (36), a linkage rod (35) is rotatably mounted on the sliding seat (34), the linkage rod (35) extends towards the outer edge of the corresponding backrest side wing (10), the far end of the rotary support plate is fixedly connected with a rotary support plate A (30), when the motor (33) drives the screw rod (32) to rotate, the sliding seat (34) slides along the screw rod (32), and the linkage rod (35) rotates by taking the installation center of the linkage rod and the sliding seat (34) as a rotation center to drive the rotation support plate A (30) to rotate.

3. The adaptive adjusting structure for the side wings of the automobile seat backrest according to claim 2, characterized in that: the two ends of the sliding seat (34) are provided with symmetrically arranged mounting holes (342), the mounting holes (342) are arranged along the length direction of the sliding seat (34), the sliding seat (34) is provided with a yielding groove (343) connected with the mounting holes (342), and the bottom of the yielding groove (343) is open and penetrates through the two sides of the sliding seat (34) in the thickness direction;

the linkage rod (35) comprises an installation part (350), a transmission part (351), an adjusting part (352) and a connecting part (353), wherein the installation part (350) is perpendicular to the transmission part (351), the installation part (350) is in running fit with the installation hole (342), the transmission part (351) penetrates out of the opening side of the abdicating groove (343) and extends towards one side of the backrest side wing (10) in an inclined mode, the adjusting part (352) is arc-shaped, and the circle center of a circle corresponding to the adjusting part is located on the inner side of the backrest (1);

the installation seat (36) is close to the spacing guide holder (361) that sets up along its width direction in the one end tip of back flank (10), guide holder (361) have the spigot surface (362) that is smooth cambered surface structure towards one side of slide (34), regulation portion (352) with spigot surface (362) contact.

4. The adaptive adjusting structure for the side wings of the backrest of the automobile seat as claimed in claim 2 or 3, wherein: the motor (33) is fixedly arranged on the mounting seat (36) and is arranged along the length direction of the backrest (1).

5. The self-adaptive adjusting structure for the side wings of the backrest of the automobile seat as claimed in any one of claims 1 to 3, wherein: and a guard plate (38) which is rotatably mounted on the rotating support plate A (30), wherein a pressure sensor (37) is arranged between the rotating support plate A (30) and the guard plate (38).

6. The adaptive adjusting structure for the side wings of the automobile seat backrest according to claim 5, characterized in that: the rotary supporting plate A (30) is provided with a supporting arm (300) extending outwards, a connecting shaft (301) is arranged at the tail end of the supporting arm (300), and the protective plate (38) is hinged to the rotary supporting plate A (30) through the connecting shaft (301).

7. The adaptive adjusting structure for the side wings of the backrest of the automobile seat as claimed in claim 3, wherein: the position, corresponding to the guide seat (361), of the mounting seat (36) is provided with a limiting beam (363), the limiting beam (363) is located on one side, far away from the backrest framework (11), of the mounting seat (36), the limiting beam (363) and the guide seat (361) surround to form a limiting opening (364), and the linkage rod (35) penetrates out of the limiting opening (364).

8. The adaptive adjusting structure for the side wings of the automobile seat backrest according to claim 2, characterized in that: the motor (33) is detachably connected with the mounting seat (36) through a motor support (39), the motor (33) is provided with a speed reducing mechanism (330) connected with the motor, two ends of one side of the motor support (39) are provided with first clamping grooves (390) which are symmetrically arranged, the end part of each first clamping groove (390) is open, the mounting seat (36) is provided with a first clamping tongue (367) matched with the first clamping groove (390), the top of the motor support (39) is provided with an arc-shaped limiting groove (391), and the bottom of the speed reducing mechanism (330) is matched with the arc-shaped limiting groove (391).

9. The adaptive adjusting structure for the side wings of the backrest of the automobile seat as claimed in claim 8, wherein: two sinking grooves (393) are formed in the motor support (39) between the two first clamping grooves (390), a second clamping groove (392) is arranged below the middle of the arc-shaped limiting groove (391), the second clamping groove (392) is provided with an opening end opposite to the first clamping groove (390), a limiting piece (368) matched with the second clamping groove (392) is arranged on the mounting seat (36), and a second clamping tongue (331) matched with the second clamping groove (392) is arranged at the bottom of the speed reducing mechanism (330).

10. The adaptive adjusting structure for the side wings of the backrest of the automobile seat as claimed in claim 1, wherein: the utility model discloses a seat cushion (2) is equipped with interconnect's maincenter control module (6) and angle sensor (7) below seatpad (2), wherein maincenter control module (6) and adjustment mechanism A (3) communication connection, angle sensor (7) are used for detecting the relative ground's of seatpad (2) left and right sides direction inclination.

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