Multi-gear lying and headrest translation turnover type ergonomic chair

Abstract

The invention relates to the technical field of ergonomic chairs, and discloses a multi-gear lying and headrest translation turnover type ergonomic chair, which comprises a seat plate and a backrest plate rotationally arranged at the end part of the seat plate, the adjusting assembly comprises two rotating blocks which are symmetrically and fixedly arranged at the bottom end of the backrest plate, and the adjusting assembly further comprises a driving motor which is used for driving the backrest plate to rotate around the rotating column through the rotating blocks; the driving assembly comprises a strip-shaped groove formed in the surface of the backrest plate and a first threaded column rotationally arranged on the inner wall of the strip-shaped groove. By arranging the driving assembly, in the process that the backrest plate rotates around the rotating column through the rotating block, the first threaded column can be automatically driven to rotate, the rotation of the first threaded column can drive the sliding block to move, and the movement of the sliding block drives the headrest to automatically get close to the head of a person; furthermore, the headrest can automatically translate in the lying process of the backrest plate, so that the headrest can always correspond to the head of a person.

Description

Technical Field

[0001] The present invention relates to the technical field of ergonomic chairs, and particularly to a multi-gear reclining and headrest translation and flipping ergonomic chair. Background Art

[0002] The design of ergonomic chairs is based on the principles of ergonomics, aiming to provide dynamic support through the coordinated action of multiple components to reduce sedentary fatigue. Ergonomic chairs are designed in a generous, unique, fashionable, and lightweight manner, and are a new type of environmentally friendly and healthy chair commonly used in modern families, entertainment venues, Internet cafes, hotels, leisure areas, meeting rooms, and office computer desks. The design principle is to release nature and adjust humanely, suitable for various body types; mainly environmentally friendly materials are used in terms of materials.

[0003] Currently, most of the headrests of existing ergonomic chairs are of a fixed structure. When the ergonomic chair reclines, manual adjustment of the position of the headrest towards the direction close to the user's head is required before the user's head can fully rest on the headrest, which is very inconvenient to operate. In view of this, the present invention proposes a multi-gear reclining and headrest translation and flipping ergonomic chair. Summary of the Invention

[0004] In order to make up for the deficiencies of the prior art and solve at least one of the technical problems proposed in the background art.

[0005] The present invention provides a multi-gear reclining and headrest translation and flipping ergonomic chair, including: A seat plate and a backrest plate rotatably provided at the end of the seat plate. The upper surface of the seat plate is provided with a groove conforming to ergonomics. An elastic pad conforming to ergonomics is fixedly provided on the surface of the backrest plate, and a headrest is provided on the surface of the backrest plate; An adjusting assembly for adjusting the angle of the backrest plate. The adjusting assembly includes two rotating blocks symmetrically fixedly provided at the bottom end of the backrest plate, and a rotating frame fixedly provided at the end of the seat plate. A rotating column is fixedly provided on the inner wall of the rotating frame, and rotating holes rotatably connected to the surface of the rotating column are provided on the surfaces of the two rotating blocks. The adjusting assembly further includes a driving motor for driving the backrest plate to rotate around the rotating column through the rotating blocks; A driving assembly for driving the headrest to automatically approach the user's head during the reclining process of the backrest plate. The driving assembly includes a strip-shaped groove provided on the surface of the backrest plate, and a first threaded column rotatably provided on the inner wall of the strip-shaped groove. A slider is slidably provided on the inner wall of the strip-shaped groove, and a threaded hole threadedly connected to the outer surface of the first threaded column is provided on the surface of the slider. The headrest is fixedly provided on the surface of the slider.

[0006] Preferably, a fixing frame is fixedly arranged on the lower surface of the seat board. An installation groove is formed in the inner wall of the fixing frame. The driving motor is fixedly arranged on the inner wall of the installation groove, and a lead screw is fixedly arranged at the output end of the driving motor. A rectangular plate is slidably arranged on the inner wall of the fixing frame, and a threaded hole threadedly connected with the outer surface of the lead screw is formed in the surface of the rectangular plate.

[0007] By adopting the above technical solution, the rectangular plate can be automatically moved by the rotation of the lead screw.

[0008] Preferably, two limiting rods are symmetrically and fixedly arranged on the inner wall of the fixing frame, and two limiting holes respectively slidably connected with the surfaces of the two limiting rods are formed in the surface of the rectangular plate.

[0009] By adopting the above technical solution, the stability of the rectangular plate during movement can be effectively ensured under the action of the two limiting rods.

[0010] Preferably, a plurality of first rotation grooves are equidistantly formed in the surface of the rectangular plate, and a top plate is rotatably arranged in the inner wall of the first rotation groove through a first rotating shaft. A fixing strip is fixedly arranged on the back surface of the backrest plate, a second rotation groove corresponding to the top plate is formed in the surface of the fixing strip, and the top end of the top plate is rotatably connected with the inner wall of the second rotation groove through a second rotating shaft.

[0011] By adopting the above technical solution, during the movement of the rectangular plate, the backrest plate can be pulled or pushed by the top plate to automatically adjust the angle of the backrest plate.

[0012] Preferably, the bottom end of the first threaded column penetrates through the inside of the backrest plate and extends to the bottom surface of the backrest plate, and a connecting shaft is fixedly arranged at the bottom end of the first threaded column. A first bevel gear is fixedly arranged on the surface of the connecting shaft.

[0013] By adopting the above technical solution, the connecting shaft can be rotated by the rotation of the first bevel gear, so that the first threaded column can be automatically rotated.

[0014] Preferably, a rotating rod is rotatably arranged on the opposite surfaces of the two rotating blocks, and a second bevel gear meshing with the first bevel gear is fixedly arranged on the surface of the rotating rod.

[0015] By adopting the above technical solution, the second bevel gear can be rotated by the rotation of the rotating rod, so that the first bevel gear can be automatically rotated by the rotation of the second bevel gear, and the first bevel gear can be driven to rotate at an accelerated speed.

[0016] Preferably, two symmetrical fixed toothed discs are fixedly arranged on the surface of the rotating column, and a rotating toothed disc corresponding to the fixed toothed disc and meshing with the fixed toothed disc is fixedly arranged on the surface of the rotating rod.

[0017] By adopting the above technical solution, it is possible to drive the rotating gear disk to accelerate rotation through the rotation of the backrest plate and the rotation of the fixed gear disk.

[0018] Preferably, a support assembly is provided on the lower surface of the seat plate. The support assembly includes a mounting disk provided on the lower surface of the seat plate and a fixed cylinder fixed on the upper surface of the mounting disk. Four support rods are fixedly arranged on the outer surface of the mounting disk in a circumferential array, and universal wheels are provided on the surfaces of the four support rods.

[0019] By adopting the above technical solution, it is possible to effectively support the seat plate through the four support rods and the universal wheels, and at the same time facilitate the movement of the ergonomic chair.

[0020] Preferably, the support assembly further includes an internally threaded cylinder slidably arranged on the inner wall of the fixed cylinder, and the top end of the internally threaded cylinder is fixedly connected to the lower surface of the seat plate. A rotary motor is fixedly arranged on the inner bottom wall of the fixed cylinder, a second threaded column is fixedly arranged at the output end of the rotary motor, the outer surface of the second threaded column is threadedly connected to the inner wall of the internally threaded cylinder, two symmetrical limiting blocks are fixedly arranged on the bottom surface of the lower end of the internally threaded cylinder, and a limiting sliding groove for the limiting blocks to slide is opened on the inner wall of the fixed cylinder.

[0021] By adopting the above technical solution, it is possible to drive the second threaded column to rotate through the rotation of the rotary motor, so as to drive the internally threaded cylinder to automatically lift.

[0022] Preferably, two symmetrical armrests are fixedly arranged on the surface of the seat plate, a charging power supply is fixedly arranged on the lower surface of the seat plate, and button switches are arranged at the ends of the two armrests. The two button switches are electrically connected to the drive motor and the rotary motor respectively through wires.

[0023] By adopting the above technical solution, it is possible to conveniently control the drive motor through one button switch, and at the same time facilitate the control of the rotary motor through the other button switch.

[0024] The beneficial effects of the present invention are as follows: For the multi-gear reclining and headrest translation and flipping type ergonomic chair of the present invention, by setting the adjustment assembly, during the actual use of the ergonomic chair, when a person needs to recline to rest, the drive motor can be started. The rotation of the drive motor drives the lead screw to rotate, and the rotation of the lead screw drives the rectangular plate to move to the right. The rightward movement of the rectangular plate pulls the backrest plate through the top plate, so that the backrest plate rotates around the rotating column through the rotating block, thereby achieving the purpose of automatically adjusting the angle of the backrest plate, facilitating the person to quickly recline to rest, and during the reclining process of the backrest plate, the drive motor can be turned off at any time according to the actual situation, so as to achieve the purpose of multi-gear adjustment of the backrest plate, and facilitate the ergonomic chair to be suitable for people with different habits.

[0025] A multi-gear reclining and headrest translation and flipping ergonomic chair according to the present invention, by setting a driving component, during the process of the backrest plate rotating around the rotating column through the rotating block, since the rotating column is fixed, when the backrest plate rotates, it can drive the rotating gear and the rotating rod to rotate under the action of the fixed gear disk. The rotation of the rotating rod drives the second bevel gear to rotate, and the rotation of the second bevel gear drives the first bevel gear and the connecting shaft to rotate, thereby driving the first threaded column to rotate. The rotation of the first threaded column can drive the slider to move, and the movement of the slider drives the headrest to automatically approach the head of the person. Furthermore, during the process of the backrest plate reclining, the headrest can be automatically translated, so that the headrest can always correspond to the head of the person.

[0026] A multi-gear reclining and headrest translation and flipping ergonomic chair according to the present invention, by setting a support component, it is convenient to move the ergonomic chair, and at the same time, the height of the seat plate can be quickly and conveniently adjusted according to the actual situation by driving the second threaded column to rotate through the rotating motor, and the rotation of the second threaded column drives the internal threaded cylinder to move up or down. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 is a three-dimensional structural schematic diagram of the present invention; Figure 2 is a rear structural schematic diagram of the present invention; Figure 3 is a side structural schematic diagram of the present invention; Figure 4 is a top structural schematic diagram of the present invention; Figure 5 is a sectional structural schematic diagram of the present invention; Figure 6 is the present invention Figure 5 an enlarged structural schematic diagram at position A in; Figure 7 is the present invention Figure 5 an enlarged structural schematic diagram at position B in.

[0028] Description of the reference numerals: 100, seat plate; 200, backrest plate; 300, groove; 400, elastic pad; 500, headrest; 600, adjustment component; 601, rotating block; 602, rotating frame; 603, rotating column; 604, driving motor; 605, fixed frame; 606, lead screw; 607, rectangular plate; 608, limiting rod; 609, top plate; 6010, fixing strip; 700. Driving component; 701. First threaded post; 702. Slide block; 703. Connecting shaft; 704. First bevel gear; 705. Rotating rod; 706. Second bevel gear; 707. Fixed gear disc; 708. Rotating gear disc; 800. Support component; 801. Mounting plate; 802. Fixed cylinder; 803. Support rod; 804. Universal wheel; 805. Internal threaded cylinder; 806. Rotary motor; 807. Second threaded post; 808. Limiting block; 900. Armrest; 1000. Charging power supply; 1100. Button switch. Detailed implementation manner

[0029] Now, the subject matter described herein will be discussed with reference to exemplary embodiments. It should be understood that discussing these embodiments is only to enable those skilled in the art to better understand and thus implement the subject matter described herein. Without departing from the scope of protection of the content of this specification, changes can be made to the functions and arrangements of the elements discussed. Each example can omit, substitute, or add various processes or components as needed. Additionally, the features described relative to some examples can also be combined in other examples.

[0030] Embodiment The following further elaborates on the technical solution of the present invention in conjunction with the accompanying drawings of the specification and specific embodiments. Please refer to Figures 1 to 7 A multi - gear reclining and headrest translation - flipping ergonomic chair provided by this application. Please pay particular attention to Figures 1 to 6 , including: A seat board 100 and a backrest board 200 rotatably arranged at the end of the seat board 100. An ergonomic groove 300 is provided on the upper surface of the seat board 100. An ergonomic elastic pad 400 is fixedly provided on the surface of the backrest board 200, and a headrest 500 is provided on the surface of the backrest board 200; An adjusting component 600, which is used to adjust the angle of the backrest board 200. The adjusting component 600 includes two rotating blocks 601 symmetrically and fixedly provided at the bottom end of the backrest board 200, and a rotating frame 602 fixedly provided at the end of the seat board 100. A rotating column 603 is fixedly provided on the inner wall of the rotating frame 602, and rotating holes for rotatably connecting with the surface of the rotating column 603 are provided on the surfaces of the two rotating blocks 601. The adjusting component 600 further includes a driving motor 604 for driving the backrest board 200 to rotate around the rotating column 603 through the rotating blocks 601; Please pay particular attention to Figure 1 and Figure 3, a fixing frame 605 is fixedly arranged on the lower surface of the seat board 100. An installation groove is formed on the inner wall of the fixing frame 605. A driving motor 604 is fixedly arranged on the inner wall of the installation groove, and a lead screw 606 is fixedly arranged at the output end of the driving motor 604. A rectangular plate 607 is slidably arranged on the inner wall of the fixing frame 605, and a threaded hole threadedly connected with the outer surface of the lead screw 606 is formed on the surface of the rectangular plate 607.

[0031] Specifically, by adopting the above technical solution, the rotation of the lead screw 606 can drive the rectangular plate 607 to automatically move.

[0032] Please refer specifically to Figure 1 and Figure 3 , two limiting rods 608 are symmetrically and fixedly arranged on the inner wall of the fixing frame 605, and two limiting holes respectively slidably connected with the surfaces of the two limiting rods 608 are formed on the surface of the rectangular plate 607.

[0033] Specifically, by adopting the above technical solution, the stability of the rectangular plate 607 during movement can be effectively ensured under the action of the two limiting rods 608.

[0034] Please refer specifically to Figure 1 and Figure 3 , a number of first rotation grooves are equidistantly formed on the surface of the rectangular plate 607, and a top plate 609 is rotatably arranged on the inner wall of the first rotation groove through a first rotating shaft. A fixing strip 6010 is fixedly arranged on the back surface of the backrest plate 200. A second rotation groove corresponding to the top plate 609 is formed on the surface of the fixing strip 6010, and the top end of the top plate 609 is rotatably connected with the inner wall of the second rotation groove through a second rotating shaft.

[0035] Specifically, by adopting the above technical solution, during the movement of the rectangular plate 607, the backrest plate 200 can be pulled or pushed by the top plate 609 to realize the automatic adjustment of the angle of the backrest plate 200.

[0036] Among them, in the present invention, by arranging the adjusting assembly 600, during the actual use of the ergonomic chair, when a person needs to lie down to rest, the driving motor 604 can be started. The rotation of the driving motor 604 drives the lead screw 606 to rotate. The rotation of the lead screw 606 drives the rectangular plate 607 to move to the right. The rightward movement of the rectangular plate 607 pulls the backrest plate 200 through the top plate 609, so that the backrest plate 200 rotates around the rotating column 603 through the rotating block 601, thereby realizing the purpose of automatically adjusting the angle of the backrest plate 200, so as to facilitate the person to quickly lie down to rest. Moreover, during the lying-down process of the backrest plate 200, the driving motor 604 can be closed at any time according to the actual situation, thereby realizing the purpose of multi-stage adjustment of the backrest plate 200 and facilitating the ergonomic chair to be suitable for people with different habits.

[0037] A driving assembly 700, which is used to drive the headrest 500 to automatically approach the head of a person during the reclining process of the backrest plate 200. The driving assembly 700 includes a strip-shaped groove formed on the surface of the backrest plate 200, and a first threaded column 701 rotatably arranged on the inner wall of the strip-shaped groove. A slider 702 is slidably arranged on the inner wall of the strip-shaped groove, and a threaded hole threadedly connected to the outer surface of the first threaded column 701 is formed on the surface of the slider 702. The headrest 500 is fixedly arranged on the surface of the slider 702.

[0038] Please refer particularly to Figure 5 and Figure 6 , the bottom end of the first threaded column 701 penetrates through the inside of the backrest plate 200 and extends to the bottom surface of the backrest plate 200, and a connecting shaft 703 is fixedly arranged at the bottom end of the first threaded column 701. A first bevel gear 704 is fixedly arranged on the surface of the connecting shaft 703.

[0039] Specifically, by adopting the above technical solution, the rotation of the first bevel gear 704 can drive the rotation of the connecting shaft 703, so as to drive the first threaded column 701 to rotate automatically.

[0040] Please refer particularly to Figure 5 and Figure 6 , a rotating rod 705 is rotatably arranged on the opposite surfaces of the two rotating blocks 601, and a second bevel gear 706 meshing with the first bevel gear 704 is fixedly arranged on the surface of the rotating rod 705.

[0041] Specifically, by adopting the above technical solution, the rotation of the rotating rod 705 can drive the rotation of the second bevel gear 706, so as to automatically drive the rotation of the first bevel gear 704 through the rotation of the second bevel gear 706, and can drive the first bevel gear 704 to rotate at an accelerated speed.

[0042] Please refer particularly to Figure 5 and Figure 6 , two symmetrical fixed gear disks 707 are fixedly arranged on the surface of the rotating column 603, and a rotating gear disk 708 corresponding to the fixed gear disk 707 and meshing with the fixed gear disk 707 is fixedly arranged on the surface of the rotating rod 705.

[0043] Specifically, by adopting the above technical solution, the rotation of the backrest plate 200 can drive the rotation of the rotating gear disk 708 at an accelerated speed through the rotation of the fixed gear disk 707.

[0044] Among them, in the present invention, by setting the driving component 700, during the process of the backrest plate 200 rotating around the rotating column 603 through the rotating block 601, since the rotating column 603 is fixed, when the backrest plate 200 rotates, it can drive the rotating gear 708 and the rotating rod 705 to rotate under the action of the fixed gear disk 707. The rotation of the rotating rod 705 drives the second bevel gear 706 to rotate, and the rotation of the second bevel gear 706 drives the first bevel gear 704 and the connecting shaft 703 to rotate, thereby driving the first threaded column 701 to rotate. The rotation of the first threaded column 701 can drive the slider 702 to move, and the movement of the slider 702 drives the headrest 500 to automatically approach the head of the person. Furthermore, during the process of the backrest plate 200 reclining, the headrest 500 can be automatically translated, so that the headrest 500 can always correspond to the head of the person.

[0045] Please refer specifically to Figure 5 and Figure 7 , a support component 800 is provided on the lower surface of the seat plate 100. The support component 800 includes a mounting disk 801 provided on the lower surface of the seat plate 100, and a fixed cylinder 802 fixed on the upper surface of the mounting disk 801. Four support rods 803 are fixedly arranged on the outer surface of the mounting disk 801 in a circumferential array, and universal wheels 804 are provided on the surfaces of the four support rods 803.

[0046] Specifically, by adopting the above technical solution, the seat plate 100 can be effectively supported by the four support rods 803 and the universal wheels 804, and at the same time, it is convenient to move the ergonomic chair.

[0047] Please refer specifically to Figure 5 and Figure 7 , the support component 800 further includes an internally threaded cylinder 805 slidably arranged on the inner wall of the fixed cylinder 802, and the top end of the internally threaded cylinder 805 is fixedly connected to the lower surface of the seat plate 100. A rotary motor 806 is fixed on the inner bottom wall of the fixed cylinder 802, and a second threaded column 807 is fixed to the output end of the rotary motor 806. The outer surface of the second threaded column 807 is threadedly connected to the inner wall of the internally threaded cylinder 805. Two symmetric limiting blocks 808 are fixed on the bottom surface of the internally threaded cylinder 805, and a limiting chute for the limiting blocks 808 to slide is opened on the inner wall of the fixed cylinder 802.

[0048] Specifically, by adopting the above technical solution, the rotation of the rotary motor 806 can drive the second threaded column 807 to rotate, thereby driving the internally threaded cylinder 805 to automatically lift and lower.

[0049] Please refer specifically to Figure 4, two symmetrical armrests 900 are fixedly arranged on the surface of the seat board 100, a charging power supply 1000 is fixedly arranged on the lower surface of the seat board 100, and button switches 1100 are arranged at the ends of the two armrests 900. The two button switches 1100 are electrically connected to the driving motor 604 and the rotating motor 806 respectively through wires.

[0050] Specifically, by adopting the above technical solution, the driving motor 604 can be conveniently controlled through one button switch 1100, and at the same time, the rotating motor 806 can be conveniently controlled through the other button switch 1100.

[0051] Among them, by setting the support assembly 800 in the present invention, it is convenient to move the ergonomic chair. At the same time, the second threaded column 807 can be driven to rotate by the rotating motor 806 according to the actual situation. The rotation of the second threaded column 807 drives the internal threaded cylinder 805 to move up or down, so as to realize the quick and convenient adjustment of the height of the seat board 100.

[0052] Working principle: During the actual use of the ergonomic chair, when a person needs to lie down and rest, the driving motor 604 can be started. The rotation of the driving motor 604 drives the lead screw 606 to rotate. The rotation of the lead screw 606 drives the rectangular plate 607 to move to the right. The rightward movement of the rectangular plate 607 pulls the backrest plate 200 through the top plate 609, so that the backrest plate 200 rotates around the rotating column 603 through the rotating block 601, so as to realize the purpose of automatically adjusting the angle of the backrest plate 200, so that it is convenient for people to lie down quickly and rest. Moreover, during the process of the backrest plate 200 lying down, the driving motor 604 can be turned off at any time according to the actual situation, so as to realize the purpose of multi-stage adjustment of the backrest plate 200, which is convenient for the ergonomic chair to be suitable for people with different habits. Moreover, during the process of the backrest plate 200 rotating around the rotating column 603 through the rotating block 601, because the rotating column 603 is fixed, when the backrest plate 200 rotates, it can drive the rotating gear disk 708 and the rotating rod 705 to rotate under the action of the fixed gear disk 707. The rotation of the rotating rod 705 drives the second bevel gear 706 to rotate. The rotation of the second bevel gear 706 drives the first bevel gear 704 and the connecting shaft 703 to rotate, so as to drive the first threaded column 701 to rotate. The rotation of the first threaded column 701 can drive the slider 702 to move. The movement of the slider 702 drives the headrest 500 to automatically approach the person's head. Furthermore, during the process of the backrest plate 200 lying down, the headrest 500 can be automatically translated, so that the headrest 500 can always correspond to the person's head.

[0053] The above-described embodiments of the specific implementation manners have been described, but these embodiments are not limited to the above specific implementation manners. The above specific implementation manners are merely illustrative rather than restrictive. Under the inspiration of these embodiments, those of ordinary skill in the art can also make many forms, all of which fall within the protection scope of these embodiments.

Claims

1. An ergonomic chair with multiple reclining positions and headrest translation and flipping, characterized in that: include: A seat plate (100) and a backrest plate (200) rotatably arranged at the end of the seat plate (100), wherein an ergonomic groove (300) is provided on the upper surface of the seat plate (100), an ergonomic elastic pad (400) is fixedly arranged on the surface of the backrest plate (200), and a headrest (500) is arranged on the surface of the backrest plate (200); An adjustment component (600) for adjusting the angle of a backrest board (200), the adjustment component (600) comprising two rotating blocks (601) symmetrically fixed at the bottom end of the backrest board (200), and a rotating frame (602) fixed at the end of the seat board (100), a rotating column (603) fixedly arranged on the inner wall of the rotating frame (602), and rotating holes rotatably connected to the surface of the rotating column (603) are arranged on the surfaces of the two rotating blocks (601), and the adjustment component (600) further comprises a driving motor (604) for driving the backrest board (200) to rotate around the rotating column (603) via the rotating blocks (601); A driving assembly (700) is used to drive a headrest (500) to automatically approach a person's head when a backrest board (200) is reclined, the driving assembly (700) comprising a strip groove formed on the surface of the backrest board (200), and a first threaded column (701) rotatably disposed on the inner wall of the strip groove, a slider (702) being slidably disposed on the inner wall of the strip groove, and a threaded hole threadedly connected to the outer surface of the first threaded column (701) being formed on the surface of the slider (702), and the headrest (500) being fixedly disposed on the surface of the slider (702).

2. The ergonomic chair with multiple reclining positions and headrest translation and flipping function according to claim 1, characterized in that: A fixing frame (605) is fixedly provided on the lower surface of the seat plate (100), a mounting groove is provided on the inner wall of the fixing frame (605), the driving motor (604) is fixedly provided on the inner wall of the mounting groove, and a lead screw (606) is fixedly provided on the output end of the driving motor (604), a rectangular plate (607) is slidably provided on the inner wall of the fixing frame (605), and a threaded hole is provided on the surface of the rectangular plate (607) and is threadedly connected to the outer surface of the lead screw (606).

3. The ergonomic chair with multiple reclining positions and headrest translation and flipping function according to claim 2, characterized in that: Two limiting rods (608) are symmetrically fixed on the inner wall of the fixed frame (605), and two limiting holes are opened on the surface of the rectangular plate (607) and are respectively slidably connected to the surfaces of the two limiting rods (608).

4. The ergonomic chair with multiple reclining positions and headrest translation and flipping function according to claim 3, characterized in that: The surface of the rectangular plate (607) is provided with a plurality of first rotation grooves at equal intervals, and the inner wall of the first rotation groove is provided with a top plate (609) rotatably arranged via a first rotation shaft. A fixing strip (6010) is fixedly arranged on the back of the backrest plate (200), and the surface of the fixing strip (6010) is provided with a second rotation groove corresponding to the top plate (609), and the top end of the top plate (609) is rotatably connected to the inner wall of the second rotation groove via a second rotation shaft.

5. The ergonomic chair with multiple reclining positions and headrest translation and flipping function according to claim 1, characterized in that: The bottom end of the first threaded column (701) passes through the interior of the backrest plate (200) and extends to the bottom surface of the backrest plate (200), and a connecting shaft (703) is fixedly provided at the bottom end of the first threaded column (701), and a first bevel gear (704) is fixedly provided on the surface of the connecting shaft (703).

6. The multi-level lying and headrest translation and flipping ergonomic chair according to claim 5, characterized in that: The opposite surfaces of the two rotating blocks (601) are rotatably provided with rotating rods (705), and the surface of the rotating rods (705) is fixedly provided with second bevel gears (706) that mesh with the first bevel gears (704).

7. The ergonomic chair with multiple reclining positions and headrest translation and flipping function according to claim 6, characterized in that: Two symmetrical fixed toothed discs (707) are fixedly provided on the surface of the rotating column (603), and a rotating toothed disc (708) corresponding to the fixed toothed discs (707) and meshing with the fixed toothed discs (707) is fixedly provided on the surface of the rotating rod (705).

8. The ergonomic chair with multiple reclining positions and headrest translation and flipping function according to claim 1, characterized in that: A support assembly (800) is provided on the lower surface of the seat plate (100), and the support assembly (800) comprises a mounting plate (801) disposed on the lower surface of the seat plate (100), and a fixing cylinder (802) fixedly mounted on the upper surface of the mounting plate (801); four support rods (803) are fixedly mounted on the outer surface of the mounting plate (801) in a circular array, and universal wheels (804) are provided on the surfaces of the four support rods (803).

9. The multi-level lying and headrest translation and flipping ergonomic chair according to claim 8, characterized in that: The support assembly (800) further comprises an internally threaded cylinder (805) slidably arranged on the inner wall of the fixed cylinder (802), and the top end of the internally threaded cylinder (805) is fixedly connected to the lower surface of the seat plate (100), the inner bottom wall of the fixed cylinder (802) is fixedly provided with a rotating motor (806), the output end of the rotating motor (806) is fixedly provided with a second threaded column (807), the outer surface of the second threaded column (807) is threadedly connected to the inner wall of the internally threaded cylinder (805), two symmetrical limit blocks (808) are fixedly provided on the bottom end surface of the internally threaded cylinder (805), and the inner wall of the fixed cylinder (802) is provided with a limit sliding groove for the limit blocks (808) to slide.

10. The ergonomic chair with multiple reclining positions and headrest translation and flipping function according to claim 9, characterized in that: Two symmetrical armrests (900) are fixedly provided on the surface of the seat plate (100), a charging power source (1000) is fixedly provided on the lower surface of the seat plate (100), and button switches (1100) are provided at the ends of the two armrests (900), and the two button switches (1100) are electrically connected to the driving motor (604) and the rotating motor (806) respectively through wires.

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