CN210454548U

CN210454548U - Automobile seat framework structure

Info

Publication number: CN210454548U
Application number: CN201920838220.XU
Authority: CN
Inventors: 倪晋尚; 孙海波; 于瑞
Original assignee: Changzhou Vocational Institute of Engineering
Current assignee: Changzhou Vocational Institute of Engineering
Priority date: 2019-06-05
Filing date: 2019-06-05
Publication date: 2020-05-05
Anticipated expiration: 2029-06-05

Abstract

The utility model discloses an automobile seat framework structure, which comprises a headrest, a rotary damper, a neck supporting block and an installation pillar; the rotary damper is installed inside the headrest through a screw; neck supporting shoe embedding is installed in the inboard of headrest, and installation pillar fixed mounting is at the both ends of neck supporting shoe, and installation pillar and rotary damper pass through grafting mode fixed connection. The utility model discloses a to car seat skeleton texture's improvement, it is reasonable to have structural design, and buttock bearing structure stability is strong, and the fastness is strong, and the supporting effect is good, and bearing capacity is strong, is difficult for taking place deformation, and the headrest comfort level is high, and is functional strong, the advantage that the practicality is strong.

Description

Automobile seat framework structure

Technical Field

The utility model relates to an automobile manufacturing technical field, especially a car seat skeleton texture.

Background

With the vigorous development of national economy, automobiles become very important transportation vehicles at present, the automobile industry is taken as one of allergic economy pillar industries in developed countries of foreign industries, automobile seats are one of indispensable accessories in automobiles, so-called automobile seats are seats for sitting when the automobile seats are used, the comfort of the seats is very important in the personalized design of the automobiles and also are one part for guaranteeing the safety performance of the automobiles, the automobile seats with reasonable design can provide safe, comfortable, convenient to operate and fatigue-resistant driving feelings for drivers and passengers, the rapid development of automobile technology and the improvement of various performance requirements of people on the automobiles and the requirements on the automobile seats are continuously improved.

The inside support skeleton that car seat skeleton referred to car seat, form by the steel material welding usually, the seat skeleton must be able to bear certain load, the holistic travelling comfort of seat simultaneously also closely relates to the structure of seat skeleton, the buttock bearing structure of current seat skeleton comprises many S-shaped springs that are array form distribution usually, only play simple supporting effect, its structural soundness, stability and travelling comfort are all comparatively general, and because the buttock is not even to seat pressure, cause the deformation of spring easily after the live time is longer, the spring deformation of mid portion is especially serious, influence the holistic aesthetic property and the travelling comfort of seat, and the headrest of current car seat is less with the contact position of passenger' S head, the effect is also not too big.

In view of this, research and improvement are made to solve the existing problems, and an object of the present invention is to provide a car seat frame structure, which can solve the problems and improve the practical value.

Disclosure of Invention

To the problem that exists among the prior art, the utility model provides a have structural design rationally, buttock bearing structure stability is strong, and the fastness is strong, and the supporting effect is good, and bearing capacity is strong, is difficult for taking place deformation, and the headrest comfort level is high, and is functional strong, the car seat skeleton texture that the practicality is strong.

The purpose of the utility model is realized through the following technical scheme.

A car seat framework structure comprises a headrest, a rotary damper, a neck supporting block and a mounting strut; the rotary damper is installed inside the headrest through a screw; neck supporting shoe embedding is installed in the inboard of headrest, and installation pillar fixed mounting is at the both ends of neck supporting shoe, and installation pillar and rotary damper pass through grafting mode fixed connection.

The technical scheme is further optimized to include a slide rail, a slide rail rear mounting seat, a slide rail front mounting seat, a pull rod, a connecting beam, a slide seat, a stroke adjusting handle, a connecting hinged seat and an inner supporting seat, wherein the slide rail is mounted at two ends of the connecting beam, and the slide rail is connected with the connecting beam through a bolt; the rear mounting seat of the slide rail is mounted at the bottom of the rear side of the slide rail through a bolt; the slide rail front mounting seat is mounted at the bottom of the front side of the slide rail through a bolt; the pull rod mounting seat is mounted on the rear side of the front mounting seat of the slide rail through a bolt, and two ends of the pull rod are embedded in the pull rod mounting seat; the sliding seat is arranged on the sliding rail and is movably connected with the sliding rail in a sliding mode; the two ends of the stroke adjusting handle are connected with the front end of the sliding seat in a hinged mode, and the stroke adjusting handle is clamped with the sliding seat; the inner supporting seat is arranged above the sliding seat, and two ends of the inner supporting seat are connected with the sliding seat through the connecting hinged support.

The technical scheme is further optimized to include a height adjuster, a cushion framework and a height adjusting hand wheel, wherein the height adjuster is arranged at the joint of the inner supporting seat and the front side of the connecting hinged support; the cushion framework is buckled and installed on the outer side of the inner supporting seat, and the cushion framework is connected with the inner supporting seat through bolts; the height adjusting hand wheel is installed on the outer wall of the left cushion framework through bolts, and the end part of the height adjusting hand wheel is meshed with the height adjuster.

The technical scheme is further optimized to include a front cross beam and a rear cross beam, wherein the front cross beam is arranged above the front side of the sliding seat, and two ends of the front cross beam are connected with the connecting hinged support in a penetrating manner; the rear cross beam is arranged above the rear side of the sliding seat, and two ends of the rear cross beam are connected with the connecting hinged support in a penetrating mode.

The hip support mechanism is arranged between the front cross beam and the rear cross beam through the hanging ring; the buttock supporting mechanism comprises a first connecting piece, a second connecting piece, a third connecting piece and a second supporting spring; the first connecting piece is positioned in the middle of the buttock supporting mechanism, the second connecting piece is arranged on the front side and the rear side of the first connecting piece, and the third connecting piece is arranged on the left side and the right side of the first connecting piece; the first connecting piece, the second connecting piece and the third connecting piece are connected through a second supporting spring; the hanging ring is sleeved on the outer walls of the front cross beam and the rear cross beam, and the second connecting sheet and the third connecting sheet are connected with the front cross beam and the rear cross beam through second supporting springs; the backrest base is installed on the inner side of the rear end of the cushion framework in a hinged mode.

The seat cushion is further optimized to comprise a backrest base, a backrest angle adjuster, an angle adjusting handle, a waist supporting framework, a backrest framework, a first supporting spring, a backrest supporting plate and a fixing spring, wherein the backrest angle adjuster is installed on the outer wall of the backrest base through a bolt, and the seat cushion framework is connected with the backrest base through the backrest angle adjuster; the angle adjusting handle is arranged on the outer wall of the left cushion framework in a hinged mode and is connected with the backrest angle adjuster in a hinged mode; the waist support framework is arranged above the cushion framework and is connected with the cushion framework through bolts; the fixed spring is installed between the two waist support frameworks in a hanging manner, and the backrest angle adjuster is installed on the fixed spring in a hanging manner; the backrest framework is arranged above the lumbar support framework and is connected with the lumbar support framework in a welding mode; the first supporting spring is installed on the backrest framework in a welding mode.

The headrest tube is arranged on the outer wall of the front side of the top end of the backrest framework in a welding mode; the headrest rod is fixedly arranged inside the headrest, and the headrest rod penetrates through the headrest and extends to the outside of the headrest rod; the headrest is connected with the headrest tube through the headrest rod in an inserting mode.

As a further optimization of the technical scheme, a groove for accommodating the neck support block is formed in the bottom of the front side of the headrest, circular grooves for accommodating rotary dampers are formed in the inner walls of the two sides of the groove, and the rotary dampers are embedded and installed on the inner walls of the groove through bolts.

As a further optimization of the technical scheme, the rotary damper is symmetrically arranged at two positions in the headrest, and the mounting groove of the rotary damper is rectangular.

As a further optimization of the technical scheme, the mounting support is of a quadrangular prism structure, the neck support block is connected with the rotary damper in an inserting manner through the mounting support, the neck support block is arranged as the rotary mechanism, the rotation angle of the neck support block is 0-70 degrees, the quadrangular prism mounting support block is more firmly connected with the rotary damper, the connection part is effectively prevented from slipping, and the neck support block is unfolded and folded through rotation.

As the further optimization of the technical scheme, the neck supporting block is of a cylindrical structure with a side view in a circular arc shape, circular arc transition is arranged at two ends of the neck supporting block, the neck supporting block is composed of an internal circular arc cylindrical framework, a core and a skin, the core and the skin are wrapped outside, the degree of fitting with the neck is high, and the comfort level is improved.

As a further optimization of the technical scheme, the hip supporting mechanism is a frame type supporting structure consisting of a first connecting piece, a second connecting piece, a third connecting piece and a second supporting spring, and the first connecting piece, the second connecting piece and the third connecting piece are distributed in the hip supporting mechanism in a diamond shape.

As a further optimization of the technical scheme, the first connecting piece, the second connecting piece and the third connecting piece are all composed of a supporting disc on the upper portion and an arc-shaped supporting block at the bottom, and an arc-shaped groove for fixing the second supporting spring is formed in the inner wall of the arc-shaped supporting block.

As further optimization of the technical scheme, the first supporting spring and the second supporting spring both adopt S-shaped springs.

Compared with the prior art, the utility model has the advantages of:

①, the utility model discloses rotary damper installs two places at the inside symmetry of headrest, and rotary damper's mounting groove is the rectangle form, the installation pillar is quadrangular column structure, and the neck supporting shoe passes through the installation pillar and is connected through the grafting mode with rotary damper, the neck supporting shoe sets up to rotary mechanism, the rotation angle of neck supporting shoe is 0-70 degrees setting, the installation pillar of quadrangular column is more firm with rotary damper's connection, and effectively prevent that the junction from taking place to skid, and the neck supporting shoe has realized expansion and folding through the rotation, can regard as the neck to hold in the palm the use after expanding, improve holistic comfort level.

② the utility model discloses the recess that is used for holding the neck supporting shoe is offered to the bottom of headrest front side, just all offer the circular recess that is used for holding rotary damper on the inner wall of recess both sides, rotary damper passes through the bolt embedding to be installed setting on the inner wall of recess, hidden installation can not see connecting piece and installation vestige from the outside, has improved holistic aesthetic measure.

③, the utility model discloses buttock supporting mechanism passes through the second supporting spring and fixes at the front beam, between the rear beam, and buttock supporting mechanism is by first connection piece, the second connection piece, the third connection piece, the frame-type bearing structure that the second supporting spring constitutes, first connection piece, the second connection piece, the third connection piece is the rhombus and distributes in buttock supporting mechanism, and first connection piece, the second connection piece, through second supporting spring interconnect's setting between the third connection piece, the support nature is good, stable in structure, the fastness is strong, can disperse the pressure that receives, the bearing capacity is improved, be difficult for taking place to warp.

The utility model discloses a to car seat skeleton texture's improvement, it is reasonable to have structural design, and buttock bearing structure stability is strong, and the fastness is strong, and the supporting effect is good, and bearing capacity is strong, is difficult for taking place deformation, and the headrest comfort level is high, and is functional strong, the advantage that the practicality is strong.

Drawings

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

FIG. 2 is a side view of the neck support block of the present invention;

fig. 3 is a schematic top view of the present invention;

FIG. 4 is an enlarged view of the structure at A in FIG. 1;

FIG. 5 is a schematic structural view of the hip support mechanism of the present invention;

fig. 6 is a schematic view of the explosion structure of the headrest of the present invention;

fig. 7 is a schematic structural view of a first connecting piece of the present invention;

FIG. 8 is a schematic view of a second connecting piece of the present invention;

FIG. 9 is a schematic view of a third connecting sheet of the present invention;

fig. 10 is a schematic sectional view of the headrest of the present invention.

In the figure: the device comprises a slide rail 1, a slide rail rear mounting seat 2, a slide rail front mounting seat 3, a pull rod mounting seat 4, a pull rod 5, a connecting beam 6, a slide seat 7, a stroke adjusting handle 8, a connecting hinged seat 9, an inner supporting seat 10, a height adjuster 11, a seat cushion framework 12, a height adjusting hand wheel 13, a front cross beam 14, a rear cross beam 15, a hip supporting mechanism 16, a hanging ring 17, a backrest base 18, a backrest angle adjuster 19, an angle adjusting handle 20, a lumbar supporting framework 21, a backrest framework 22, a first supporting spring 23, a backrest supporting plate 24, a fixing spring 25, a headrest pipe 26, a headrest 27, a headrest rod 28, a rotary damper 29, a neck supporting block 30, a mounting support 31, a first connecting piece 1601, a second connecting piece 1602, a third 1603 and a second supporting spring 1604.

Detailed Description

The invention is described in detail below with reference to the drawings and specific examples.

As shown in fig. 1 to 10, a vehicle seat frame structure includes: the device comprises a slide rail 1, a slide rail rear mounting seat 2, a slide rail front mounting seat 3, a pull rod mounting seat 4, a pull rod 5, a connecting beam 6, a slide seat 7, a stroke adjusting handle 8, a connecting hinged seat 9, an inner supporting seat 10, a height adjuster 11, a seat cushion framework 12, a height adjusting hand wheel 13, a front cross beam 14, a rear cross beam 15, a hip supporting mechanism 16, a hanging ring 17, a backrest base 18, a backrest angle adjuster 19, an angle adjusting handle 20, a lumbar supporting framework 21, a backrest framework 22, a first supporting spring 23, a backrest supporting plate 24, a fixing spring 25, a headrest pipe 26, a headrest 27, a headrest rod 28, a rotary damper 29, a neck supporting block 30, a mounting support 31, a first connecting piece 1601, a second connecting piece 1602, a third 1603 and a second supporting spring 1604; the sliding rails 1 are arranged at two ends of the connecting beam 6, and the sliding rails 1 are connected with the connecting beam 6 through bolts; the slide rail rear mounting seat 2 is mounted at the bottom of the rear side of the slide rail 1 through a bolt; the slide rail front mounting seat 3 is mounted at the bottom of the front side of the slide rail 1 through a bolt; the pull rod mounting seat 4 is mounted on the rear side of the slide rail front mounting seat 3 through a bolt, and two ends of the pull rod 5 are embedded in the pull rod mounting seat 4; the sliding seat 7 is arranged on the sliding rail 1, and the sliding seat 7 is movably connected with the sliding rail 1 in a sliding mode; two ends of the stroke adjusting handle 8 are connected with the front end of the sliding seat 7 in a hinged mode, and the stroke adjusting handle 8 is clamped with the sliding seat 7; the inner supporting seat 10 is arranged above the sliding seat 7, and two ends of the inner supporting seat 10 are connected with the sliding seat 7 through the connecting hinged support 9; the height adjuster 11 is arranged at the joint of the inner supporting seat 10 and the front side of the connecting hinged support 9; the cushion framework 12 is buckled and installed at the outer side of the inner supporting seat 10, and the cushion framework 12 is connected with the inner supporting seat 10 through bolts; a height adjusting hand wheel 13 is mounted on the outer wall of the left cushion framework 12 through a bolt, and the end part of the height adjusting hand wheel 13 is meshed with the height adjuster 11; the front beam 14 is arranged above the front side of the sliding seat 7, and two ends of the front beam 14 are connected with the connecting hinged support 9 in a penetrating way; the rear cross beam 15 is arranged above the rear side of the sliding seat 7, and two ends of the rear cross beam 15 are connected with the connecting hinged support 9 in a penetrating way; the hip supporting mechanism 16 is arranged between the front cross beam 14 and the rear cross beam 15 through a hanging ring 17; the buttocks support mechanism 16 is composed of a first connecting piece 1601, a second connecting piece 1602, a third connecting piece 1603 and a second support spring 1604; the first connecting piece 1601 is located in the middle of the hip support mechanism 16, the second connecting piece 1602 is installed on the front and back sides of the first connecting piece 1601, and the third connecting piece 1603 is installed on the left and right sides of the first connecting piece 1601; the first connecting piece 1601, the second connecting piece 1602 and the third connecting piece 1603 are connected through a second supporting spring 1604; the hanging ring 17 is sleeved on the outer walls of the front cross beam 14 and the rear cross beam 15, and the second connecting piece 1602 and the third connecting piece 1603 are connected with the front cross beam 14 and the rear cross beam 15 through the second supporting spring 1604; the backrest base 18 is installed inside the rear end of the seat cushion frame 12 in a hinged manner; the backrest angle adjuster 19 is installed on the outer wall of the backrest base 18 through bolts, and the seat cushion frame 12 is connected with the backrest base 18 through the backrest angle adjuster 19; the angle adjusting handle 20 is installed on the outer wall of the left cushion framework 12 in a hinged mode, and the angle adjusting handle 20 is connected with the backrest angle adjuster 19 in a hinged mode; the lumbar support framework 21 is arranged above the seat cushion framework 12, and the lumbar support framework 21 is connected with the seat cushion framework 12 through bolts; the fixed spring 25 is arranged between the two waist supporting frameworks 21 in a hanging way, and the backrest angle adjuster 19 is arranged on the fixed spring 25 in a hanging way; the backrest framework 22 is arranged above the lumbar support framework 21, and the backrest framework 22 is connected with the lumbar support framework 21 in a welding mode; the first support spring 23 is mounted on the backrest frame 22 by welding; the headrest tube 26 is mounted on the outer wall of the front side of the top end of the backrest frame 22 by welding; the headrest rods 28 are fixedly mounted inside the headrest 27, and the headrest rods 28 extend through the headrest 27 to the outside of the headrest rods 28; the headrest 27 is connected with the headrest tube 26 through a headrest rod 28 in a plugging manner; a rotary damper 29 is installed inside the headrest 27 by screws; the neck support block 30 is embedded in the inner side of the headrest 27, and the mounting posts 31 are fixedly mounted at two ends of the neck support block 30, and the mounting posts 31 are fixedly connected with the rotary damper 29 in an inserting manner.

As shown in fig. 2, the neck support block 30 is unfolded to form an arc-shaped protrusion, which effectively supports the neck of the passenger and improves the riding comfort.

As shown in fig. 10, the lower end of the neck support block 30 is expanded to abut against the bottom of the recess in the headrest 27, thereby serving as a stopper.

The method comprises the following specific implementation steps:

the integral outer part is coated with an inner core and a skin, then the slide rail rear mounting seat 2 and the slide rail front mounting seat 3 are fixed in a frame through bolts, the hip support mechanism 16 adopts a frame type support structure consisting of a first connecting sheet 1601, a second connecting sheet 1602, a third connecting sheet 1603 and a second support spring 1604, the first connecting sheet 1601, the second connecting sheet 1602 and the third connecting sheet 1603 are distributed in the hip support mechanism 16 in a diamond shape, and the first connecting sheet 1601, the second connecting sheet 1602 and the third connecting sheet 1603 are mutually connected through the second support spring 1604, when the hip support mechanism 16 bears pressure, the pressure can be effectively transmitted and dispersed through the connecting sheets and the support springs, and stronger bearing capacity and support effect are improved for the seat framework; present headrest is less with passenger's head contact position, and consequently the effect is less relatively, and follow-up arc headrest of installing additional is selected to many car owners, and this problem has effectively been solved in setting up of neck supporting shoe 30, can expand neck supporting shoe 30 (as the state shown in fig. 2) through pulling, plays effectual support to passenger's neck, has improved the travelling comfort of taking, still can fold to hide, has stronger practicality.

In summary, the following steps: according to the automobile seat framework structure, two positions are symmetrically arranged in a headrest 27 through a rotary damper 29, the mounting groove of the rotary damper 29 is rectangular, a mounting pillar 31 is of a quadrangular prism structure, a neck supporting block 30 is connected with the rotary damper 29 through the mounting pillar 31 in an inserting mode, the neck supporting block 30 is arranged as a rotary mechanism, the rotating angle of the neck supporting block 30 is 0-70 degrees, the connection between the quadrangular prism mounting pillar 31 and the rotary damper 29 is firmer, the slip of the connection position is effectively prevented, the neck supporting block 30 is unfolded and folded through rotation, and the unfolded neck supporting block can be used as a neck support, so that the integral comfort level is improved; the bottom of the front side of the headrest 27 is provided with a groove for accommodating the neck support block 30, the inner walls of the two sides of the groove are provided with circular grooves for accommodating the rotary damper 29, the rotary damper 29 is embedded and mounted on the inner wall of the groove through bolts, the connecting piece and mounting traces can not be seen from the outside due to hidden mounting, and the overall aesthetic degree is improved; the hip supporting mechanism 16 is fixed between the front cross beam 14 and the rear cross beam 15 through the second supporting spring 1604, the hip supporting mechanism 16 is a frame type supporting structure consisting of a first connecting sheet 1601, a second connecting sheet 1602, a third connecting sheet 1603 and a second supporting spring 1604, the first connecting sheet 1601, the second connecting sheet 1602 and the third connecting sheet 1603 are distributed in the hip supporting mechanism 16 in a diamond shape, and the first connecting sheet 1601, the second connecting sheet 1602 and the third connecting sheet 1603 are connected with one another through the second supporting spring 1604, so that the support performance is good, the structure is stable, the firmness is strong, the received pressure can be dispersed, the bearing capacity is improved, and deformation is not easy to occur; through the improvement to car seat skeleton texture, it is reasonable to have a structural design, and 16 stability of buttock bearing structure are strong, and the fastness is strong, and the supporting effect is good, and bearing capacity is strong, difficult emergence deformation, the headrest comfort level is high, and is functional strong, advantage that the practicality is strong to effectual the current device of having solved go wrong with not enough.

Claims

1. A car seat framework structure is characterized by comprising a headrest, a rotary damper, a neck supporting block and a mounting strut; the rotary damper is installed inside the headrest through a screw; neck supporting shoe embedding is installed in the inboard of headrest, and installation pillar fixed mounting is at the both ends of neck supporting shoe, and installation pillar and rotary damper pass through grafting mode fixed connection.

2. The automobile seat framework structure according to claim 1, characterized by comprising a slide rail, a slide rail rear mounting seat, a slide rail front mounting seat, a pull rod, a connecting beam, a slide seat, a stroke adjusting handle, a connecting hinged seat and an inner supporting seat, wherein the slide rail is mounted at two ends of the connecting beam, and the slide rail is connected with the connecting beam through a bolt; the rear mounting seat of the slide rail is mounted at the bottom of the rear side of the slide rail through a bolt; the slide rail front mounting seat is mounted at the bottom of the front side of the slide rail through a bolt; the pull rod mounting seat is mounted on the rear side of the front mounting seat of the slide rail through a bolt, and two ends of the pull rod are embedded in the pull rod mounting seat; the sliding seat is arranged on the sliding rail and is movably connected with the sliding rail in a sliding mode; the two ends of the stroke adjusting handle are connected with the front end of the sliding seat in a hinged mode, and the stroke adjusting handle is clamped with the sliding seat; the inner supporting seat is arranged above the sliding seat, and two ends of the inner supporting seat are connected with the sliding seat through the connecting hinged support.

3. The automobile seat framework structure as claimed in claim 2, characterized by comprising a height adjuster, a cushion framework and a height adjusting hand wheel, wherein the height adjuster is arranged at the joint of the inner supporting seat and the front side of the connecting hinged support; the cushion framework is buckled and installed on the outer side of the inner supporting seat, and the cushion framework is connected with the inner supporting seat through bolts; the height adjusting hand wheel is installed on the outer wall of the left cushion framework through bolts, and the end part of the height adjusting hand wheel is meshed with the height adjuster.

4. The automobile seat framework structure as claimed in claim 3, characterized by comprising a front cross beam and a rear cross beam, wherein the front cross beam is arranged above the front side of the sliding seat, and two ends of the front cross beam are connected with the connecting hinged support in a penetrating manner; the rear cross beam is arranged above the rear side of the sliding seat, and two ends of the rear cross beam are connected with the connecting hinged support in a penetrating mode.

5. The automobile seat framework structure as claimed in claim 4, characterized by comprising a hanging ring and a hip supporting mechanism, wherein the hip supporting mechanism is arranged between the front cross beam and the rear cross beam through the hanging ring; the buttock supporting mechanism comprises a first connecting piece, a second connecting piece, a third connecting piece and a second supporting spring; the first connecting piece is positioned in the middle of the buttock supporting mechanism, the second connecting piece is arranged on the front side and the rear side of the first connecting piece, and the third connecting piece is arranged on the left side and the right side of the first connecting piece; the first connecting piece, the second connecting piece and the third connecting piece are connected through a second supporting spring; the hanging ring is sleeved on the outer walls of the front cross beam and the rear cross beam, and the second connecting piece and the third connecting piece are connected with the front cross beam and the rear cross beam through second supporting springs.

6. The automobile seat framework structure according to claim 5, characterized by comprising a backrest base, a backrest angle adjuster, an angle adjusting handle, a lumbar support framework, a backrest framework, a first support spring, a backrest support plate and a fixing spring, wherein the backrest angle adjuster is installed on the outer wall of the backrest base through a bolt, and the cushion framework is connected with the backrest base through the backrest angle adjuster; the angle adjusting handle is arranged on the outer wall of the left cushion framework in a hinged mode and is connected with the backrest angle adjuster in a hinged mode; the waist support framework is arranged above the cushion framework and is connected with the cushion framework through bolts; the fixed spring is installed between the two waist support frameworks in a hanging manner, and the backrest angle adjuster is installed on the fixed spring in a hanging manner; the backrest framework is arranged above the lumbar support framework and is connected with the lumbar support framework in a welding mode; the first supporting spring is installed on the backrest framework in a welding mode; the backrest base is installed on the inner side of the rear end of the cushion framework in a hinged mode.

7. The automobile seat framework structure according to claim 6, characterized by comprising a headrest tube and a headrest rod, wherein the headrest tube is installed on the outer wall of the front side of the top end of the backrest framework in a welding manner; the headrest rod is fixedly arranged inside the headrest, and the headrest rod penetrates through the headrest and extends to the outside of the headrest rod; the headrest is connected with the headrest tube through the headrest rod in an inserting mode.

8. The car seat framework structure according to claim 1, wherein a groove for accommodating the neck support block is formed at the bottom of the front side of the headrest, circular grooves for accommodating the rotary dampers are formed on the inner walls of both sides of the groove, and the rotary dampers are embedded and mounted on the inner walls of the groove through bolts.

9. The car seat frame structure according to claim 1, wherein the rotary damper is symmetrically installed at two positions inside the headrest, and the installation groove of the rotary damper is rectangular.

10. The car seat frame structure according to claim 1, wherein the mounting posts are quadrangular prism-shaped structures, the neck support blocks are connected with the rotary dampers in a plugging manner through the mounting posts, the neck support blocks are arranged as rotary mechanisms, the rotation angle of the neck support blocks is 0-70 degrees, the quadrangular prism-shaped mounting posts are more firmly connected with the rotary dampers, the connection parts are effectively prevented from slipping, and the neck support blocks are unfolded and folded through rotation.

11. The car seat skeleton texture of claim 1, characterized in that the neck support block is a cylindrical structure with a circular arc-shaped side view, both ends of the neck support block are provided with circular arc transitions, and the neck support block is composed of an internal circular arc-shaped cylindrical skeleton, a core and a skin wrapping the outside, and has high degree of fitting with the neck, thereby improving comfort.

12. The vehicle seat frame structure of claim 5, wherein the buttocks support mechanism is a frame type support structure composed of a first connecting piece, a second connecting piece, a third connecting piece and a second support spring, and the first connecting piece, the second connecting piece and the third connecting piece are distributed in the buttocks support mechanism in a diamond shape.

13. The car seat framework structure according to claim 5 or 12, wherein the first connecting piece, the second connecting piece and the third connecting piece are all composed of an upper supporting disc and a bottom arc-shaped supporting block, and an arc-shaped groove for fixing the second supporting spring is formed in the inner wall of the arc-shaped supporting block.

14. The vehicle seat frame structure according to claim 6, wherein the first support spring and the second support spring are S-shaped springs.