Method of working a stand-assisted deck chair iron frame

Abstract

This invention relates to a working method of an iron frame for a reclining chair that assists in standing. The iron frame includes an inclined support, a base frame, a telescopic support, a rotating rod, an upper frame assembly, and a first electric push rod. The two sides of the middle part of the inclined support are hinged to the base frame so that the tail end of the inclined support overlaps the tail end of the base frame, and the front end of the base frame overlaps the front end of the inclined support. The tail end of the upper frame assembly is hinged to the tail end of the base frame. The rotating rod is located above the front part of the upper frame, and both ends of the rotating rod are driven by the telescopic support. An assisting block is provided at the bottom of the front end of the upper frame assembly, and an assisting support adapted to the assisting block is provided on the lower side of the end of the rotating rod. A rotating rod limiting block is also provided at the tail of the upper frame assembly. The front end of the first electric push rod is hinged to the middle part of the rotating rod, and the tail end of the first electric push rod is hinged to the tail end of the inclined support so that the first electric push rod is inclined between the rotating rod and the inclined support.

Description

Technical Field

[0001] This invention relates to the field of sofa accessory equipment technology, and in particular to a working method for an iron frame for a standing recliner. Background Technology

[0002] Recliners have become essential furniture in many households. With the continuous improvement of people's living standards, electric recliner sofas have gradually entered ordinary homes. An electric recliner sofa is simply a powered sofa that automatically reclines. The surface is typically covered with high-grade genuine cowhide, and the middle is filled with high-quality foam. The main structure is supported by a retractable iron frame. It is stylish and aesthetically pleasing, and widely used in homes, offices, and other places. The emergence of electric recliner sofas can be said to have opened a new chapter in the leisure and furniture industries. Electric recliner sofas combine the practicality of furniture with the leisure features of the leisure industry, and their high-tech automated design perfectly integrates these three elements.

[0003] Existing reclining chair frames generally support lying down, leg-crossing, and sitting upright postures. Many reclining chair frames possess these functions, such as those described in Chinese patent publications CN202892335U, CN203538831U, and CN203314481U. However, the reclining chair frames described in these patent documents lack a function to assist in standing, which poses significant inconvenience for some elderly and disabled individuals. To address this deficiency, Chinese patent publication CN203986974U discloses a dual-motor driven reclining chair mechanism, including: a base, the... The base is equipped with a first drive head, a second drive head, a rear adjustment bracket assembly, and a middle adjustment bracket assembly. The first drive head drives the rear adjustment bracket to a vertical, flat, or tilted position. A front adjustment linkage is connected to the middle adjustment bracket assembly. The second drive head drives the middle adjustment bracket assembly to rise and fall to an upright or flat position, and drives the front adjustment linkage to open or retract. The front adjustment linkage is locked by the rear adjustment bracket assembly when retracted and released when open. This dual-motor driven recliner mechanism enables the extension and retraction of the footrest, the raising and lowering of the recliner frame, and the tilting and uprighting of the backrest. For some users who require a head-down, feet-up reclining position to accelerate blood flow from the feet to the head, or for other purposes, existing recliner structures cannot achieve these functions. Summary of the Invention

[0004] The technical problem to be solved by the present invention is to provide a simple iron frame for a reclining chair that enables the head to be lowered and the feet to be higher, and the working method thereof.

[0005] To solve the above-mentioned technical problems, the present invention provides an iron frame for a reclining chair that assists in standing, comprising: an inclined support, a base frame, a telescopic support, a rotating rod, an upper frame assembly, and a first electric push rod. The two sides of the middle portion of the inclined support are hinged to the base frame, such that the tail end of the inclined support overlaps the tail end of the base frame, and the front end of the base frame overlaps the front end of the inclined support. The tail end of the upper frame assembly is hinged to the tail end of the base frame. The rotating rod is positioned above the front of the upper frame assembly, and both ends of the rotating rod are driven by the telescopic support. An assisting-in-standing block is provided at the bottom of the front end of the upper frame assembly. An assisting-in-standing support adapted to the assisting-in-standing block is provided on the lower side of the end of the rotating rod. A rotating rod limiting block is also provided at the tail of the upper frame assembly. The front end of the first electric push rod is hinged to the middle portion of the rotating rod, and the tail end of the first electric push rod is hinged to the tail end of the inclined support. The components are aligned so that the first electric push rod is tilted between the rotating rod and the tilting bracket. During assembly, the first electric push rod is in its initial state, the footrest telescopic assembly is in its retracted state, and the tilting bracket and base frame are horizontally positioned. When the first electric push rod retracts, the rotating rod moves towards the rotating rod limit stop, driving the footrest telescopic assembly to unfold and form a flat position. When the rotating rod moves to contact the rotating rod limit stop, the footrest telescopic assembly stops extending, and the first electric push rod continues to retract, pulling the tail end of the tilting bracket upward, so that the front end of the tilting bracket forms a support and the front end of the base frame tilts upward, forming an upward-tilted lying position. When the first electric push rod extends, the tilting bracket and footrest telescopic assembly return to their original positions, and the first electric push rod continues to extend obliquely upward, causing the standing support bracket to contact the standing support stop. The standing support bracket then drives the upper frame assembly to rotate around its tail end, forming the standing posture.

[0006] Furthermore, the upper frame assembly includes an H-shaped bracket, inclined connecting rods, and auxiliary standing connecting rods. Base frame uprights are fixedly installed on both sides of the rear end of the base frame. The H-shaped bracket includes an H-shaped bracket horizontal brace and H-shaped bracket side braces fixedly installed at both ends of the H-shaped bracket horizontal brace. The rear end of the H-shaped bracket side brace is hinged to the bottom of the base frame upright. An auxiliary standing support is fixedly installed at the rear end of each auxiliary standing connecting rod. The front end of the H-shaped bracket side brace is hinged to the bottom of the auxiliary standing support. The rear end of each inclined connecting rod is hinged to the top of the corresponding base frame upright, and the front end of the inclined connecting rod is hinged to the middle of the auxiliary standing support, so that the H-shaped bracket side brace, auxiliary standing support, inclined connecting rods, and base frame upright form a quadrilateral structure.

[0007] Furthermore, the telescopic support includes symmetrically arranged side supports, with a telescopic footrest assembly at the front end of each side support, a telescopic backrest assembly at the rear end of each side support, a side support drive assembly in the middle of each side support, and a support connecting rod at the front end of each side support. The top end of the support connecting rod is hinged to the side support, and the bottom end of the support connecting rod is hinged to the standing support. Rotating connecting rods are fixedly arranged at both ends of the rotating rod, and fixed connecting rods are fixedly arranged on the inner side of each side support. The rotating connecting rod includes a front connecting end, a rear connecting end, and a rotating connecting end arranged in a triangle. The rotating connecting end is hinged to the bottom of the fixed connecting rod, and the front connecting end is driven by the footrest telescopic assembly, so that the front connecting end can drive the footrest telescopic assembly to extend and retract when the rotating rod rotates.

[0008] Furthermore, the iron frame for the standing-assisted reclining chair also includes an armrest support. The armrest support includes a horizontal armrest and side armrests fixed at both ends of the horizontal armrest. An armrest connecting rod is provided on the inner front part of the side armrest. One end of the armrest connecting rod is hinged to the side armrest, and the other end is hinged to the outer side of the side armrest. Both ends of the horizontal armrest are located below the middle of the side armrest. Both ends of the horizontal armrest are fixedly connected to the standing-assisted connecting rod. The horizontal armrest is driven by a side armrest drive assembly. The side armrest drive assembly is driven by a rear connecting end of the rotating link, so that when the rotating link rotates, the rear connecting end can drive the side armrest drive assembly to move.

[0009] Furthermore, the side support drive assembly includes a first link and a second link arranged in an inverted A-shape. Pushing links are fixedly installed at both ends of the handrail bracket cross brace. The top end of the first link is hinged to the side support, the tail end of the first link is hinged to the bottom end of the second link, the top end of the second link is hinged to the rear connecting end, and the middle part of the first link is hinged to the tail end of the pushing link, so that the rotating rod can drive the side support drive assembly and the telescopic bracket to move.

[0010] Furthermore, the footrest telescopic assembly includes parallel footrest first and second connecting rods, parallel footrest third and fourth connecting rods, a footrest front support, and a footrest transmission rod. The tail ends of the first and second connecting rods are hinged to the front ends of the side support, the tail end of the third connecting rod is hinged to the front end of the first connecting rod, and the tail end of the fourth connecting rod is hinged to the front end of the second connecting rod. The front ends of the third and fourth connecting rods... The footrest is hinged to the front support of the footrest. A footrest rotating pin is provided in the middle of the first link of the footrest. The middle of the fourth link of the footrest is hinged to the footrest rotating pin. The tail end of the footrest transmission link is hinged to the front connecting end of the rotating link. The front end of the footrest transmission link is hinged to the second link of the footrest. This allows the rotating link to drive the footrest transmission link and the footrest rotating pin to move, thereby realizing the deformation and extension of the first link, the second link, the third link, and the fourth link of the footrest.

[0011] Furthermore, the backrest telescopic assembly includes a first backrest link, a second backrest link, and a third backrest link. The bottom end of the first backrest link is fixedly connected to the tail end of the side support. The top end of the first backrest link is hinged to the front end of the second backrest link. The rear end of the second backrest link is hinged to the top end of the third backrest link. A backrest cross brace is fixedly provided between the two third backrest links. When the backrest cross brace moves, it can drive the first backrest link, the second backrest link, and the third backrest link to extend or retract.

[0012] Furthermore, the iron frame of the reclining chair also includes a second electric push rod. The front end of the second electric push rod is hinged to the middle of the rotating rod, and the tail end of the second electric push rod is hinged to the middle of the backrest cross brace, so that the second electric push rod can drive the backrest telescopic assembly to extend and retract.

[0013] Furthermore, pads are provided on both sides of the rear end of the base frame and on both sides of the front end of the base frame, and rollers are provided on both sides of the front end of the inclined bracket.

[0014] The working method of the iron frame for the above-mentioned standing recliner includes the following steps:

[0015] A. Sitting posture: The first electric push rod is in the initial state, the tilting bracket and the base frame are in the horizontal state, and the footrest telescopic component is in the retracted state, which can achieve sitting posture.

[0016] B. Lying down position: Activating the first electric push rod causes it to retract. The retraction of the first electric push rod drives the rotating rod to move towards the rotating rod limit block. The rotating rod drives the rotating connecting rod to rotate, and the rotating connecting rod drives the footrest telescopic assembly to unfold, forming a lying down position. When the rotating rod moves to contact the rotating rod limit block, the footrest telescopic assembly stops extending.

[0017] C. Upward-curved lying position: The first electric push rod continues to retract, and the rotating rod limit block prevents the rotating rod from moving further. The first electric push rod pulls the tail end of the tilting bracket upward, so that the front end of the tilting bracket forms support and the front end of the base frame tilts upward, forming an upward-curved lying position.

[0018] D. Assisted standing posture: When the first electric push rod extends, the tilting bracket and footrest telescopic assembly return to their original positions. The first electric push rod continues to extend diagonally upwards, causing the assisted standing bracket to contact the assisted standing block. The assisted standing bracket drives the upper frame assembly to rotate around its tail end, forming the assisted standing posture.

[0019] Technical effects of the invention: (1) Compared with the prior art, the iron frame of the standing recliner of the present invention, by setting an inclined support, allows the front end of the base frame to be raised after the telescopic support is unfolded and driven by the first electric push rod, so that the user can achieve the function of head low and feet high when lying flat, which enriches the function of the iron frame; (2) The setting of the rollers allows the front end of the inclined support to slide with the ground to reduce frictional resistance; (3) The rotating linkage with three connecting ends allows three operating modes of lying flat, leisure reclining and standing posture to be realized by using only one electric push rod, which is simple in structure and rich in function. Attached Figure Description

[0020] The present invention will now be described in further detail with reference to the accompanying drawings:

[0021] Figure 1 This is a three-dimensional structural diagram of the iron frame for the standing-assisted reclining chair of the present invention;

[0022] Figure 2 This is a schematic diagram of the iron frame of the standing-assisted reclining chair of the present invention in a sitting position;

[0023] Figure 3 This is a schematic diagram of the iron frame of the standing-assisted reclining chair of the present invention in a flat reclining state;

[0024] Figure 4 This is a schematic diagram of the iron frame of the standing-assisted reclining chair of the present invention in an upward reclining position.

[0025] Figure 5 This is a schematic diagram of the iron frame of the standing-assisted reclining chair of the present invention in the standing-assisted state;

[0026] Figure 6This is an exploded structural diagram of the iron frame for the standing-assisted reclining chair of the present invention;

[0027] Figure 7 This is a three-dimensional structural diagram of the telescopic support and the rotating rod;

[0028] Figure 8 This is a side view of the telescopic support.

[0029] Figure 9 This is a schematic diagram of the assembly structure of the H-type support, inclined support, base frame, inclined connecting rod, and auxiliary connecting rod.

[0030] Figure 10 This is an exploded structural diagram of the H-type support, inclined support, base frame, inclined connecting rod, and auxiliary connecting rod.

[0031] In the picture:

[0032] Telescopic bracket 1, side support 11,

[0033] Backrest first link 121, backrest second link 122, backrest third link 123, backrest cross brace 124, backrest connecting bracket 125;

[0034] Rotate connecting rod 13, rotate connecting end 131, front connecting end 132, and rear connecting end 133.

[0035] First link 141, second link 142

[0036] Fixed link 15, bracket link 16, handrail link 17.

[0037] The footrest has the following links: first link 181, second link 182, third link 183, fourth link 184, front support 185, rotating pin 186, and transmission rod 187.

[0038] Rotating rod 2, first connecting frame 21, second connecting frame 22, auxiliary support bracket 23, first electric push rod 24, second electric push rod 25.

[0039] Handrail support 3, handrail support cross brace 31, handrail support side brace 32, push linkage 33.

[0040] H-type bracket 4, H-type bracket cross brace 41, H-type bracket side brace 42

[0041] Inclined bracket 5, front support of inclined bracket 51, rear support of inclined bracket 52, side support of inclined bracket 53, hinged bracket 54, roller 55, limit stop 56.

[0042] Base frame 6, front support of base frame 61, rear support of base frame 62, side support of base frame 63, vertical support of base frame 64, pad block 65.

[0043] Inclined link 7, standing aid link 8, rotating rod limit stop 81, standing aid support 82, standing aid stop 83. Implementation

[0044] Example 1 Figure 1 and Figure 6 As shown, the iron frame for the reclining chair with standing assistance in this embodiment includes an inclined support 5, a base frame 6, a telescopic support 1, a rotating rod 2, an upper frame assembly, a first electric push rod 24, a second push rod 25, and an armrest support 3.

[0045] like Figure 9 and Figure 10 As shown, the base frame 6 includes a front support 61, a rear support 62, and two side supports 63 on both sides. The two ends of the front support 61 are welded and fixed to the front ends of the two side supports 63, and the two ends of the rear support 62 are welded and fixed to the rear ends of the two side supports 63 to form a rectangular base frame. The two ends of the rear support 62 and the two ends of the front support 61 are respectively provided with pads 65 so that the base frame 6 can contact the ground through the pads 65. The rear parts of the two side supports 63 are respectively provided with upwardly extending base supports 64.

[0046] like Figure 9 and Figure 10 As shown, the inclined support 5 includes a front support 51, a rear support 52, and two side supports 53 on both sides. The two ends of the front support 51 are welded and fixed to the front ends of the two side supports 53, and the two ends of the rear support 52 are welded and fixed to the rear ends of the two side supports 53, forming a rectangular inclined support frame. Rollers 55 are provided at both ends of the front support 51. The outer middle of each side support 53 is hinged to the inner middle of the base frame side support 63. Limiting blocks 56 protrude from both ends of the rear support 52, allowing the limiting blocks 56 at the tail end of the inclined support 5 to overlap the rear support 62 at the tail end of the base frame 6. The front support 61 at the front end of the base frame 6 overlaps the front of the side supports 53 of the inclined support 5. A hinged support 54 is provided in the middle of the rear support 52.

[0047] like Figure 9 and Figure 10As shown, the upper frame assembly includes an H-shaped support 4, a pair of inclined connecting rods 7, and a pair of auxiliary standing connecting rods 8. The H-shaped support 4 includes an H-shaped support cross brace 41 and H-shaped support side braces 42 fixedly installed at both ends of the H-shaped support cross brace 41. The tail ends of the H-shaped support side braces 42 are respectively hinged to the bottom of the corresponding base frame uprights 64. The tail ends of each auxiliary standing connecting rod 8 are fixedly installed with auxiliary standing supports 82. The front ends of the H-shaped support side braces 42 are hinged to the bottom of the auxiliary standing supports 82. The tail ends of each inclined connecting rod 7 are hinged to the top of the corresponding base frame uprights 64, and the front ends of the inclined connecting rods 7 are hinged to the middle of the auxiliary standing supports 82, so that the H-shaped support side braces 42, auxiliary standing supports 82, inclined connecting rods 7, and base frame uprights 64 form a quadrilateral structure.

[0048] like Figure 7 and Figure 8 As shown, the telescopic support 1 includes two symmetrically arranged side supports 11. Each side support 11 has a retractable footrest assembly at its front end and a retractable backrest assembly at its rear end. A side support drive assembly is located in the middle of each side support 11. A rotating rod 2 is positioned on the upper side of the front of the auxiliary standing support link 8. Rotating connecting rods 13 are fixedly installed at both ends of the rotating rod 2. A fixed connecting rod 15 is fixedly installed on the inner side of each side support 11. The rotating connecting rod 13 includes a front connecting end 132, a rear connecting end 133, and a rotating connecting end 131 arranged in a triangular pattern. The rotating connecting end 131 is hinged to the bottom of the corresponding fixed connecting rod 13. Each side support 11 also has a support connecting rod 16 at its front end. The top end of the support connecting rod 16 is hinged to the side support 11, and the bottom end of the support connecting rod 16 is hinged to the auxiliary standing support 82.

[0049] The footrest telescopic assembly includes parallel footrest first link 181 and footrest second link 182, parallel footrest third link 183 and footrest fourth link 184, footrest front support 185, and footrest transmission rod 187. The tail ends of the first link 181 and the second link 182 are hinged to the front end of the side support 11. The tail end of the third link 183 is hinged to the front end of the first link 181. The tail end of the fourth link 184 is hinged to the front end of the second link 182. The front ends of the third link 183 and the fourth link 184 are hinged to the front end of the footrest front support 185. The footrest is hinged with a pivot pin 186 at the middle of the first link 181. The middle of the fourth link 184 is hinged to the pivot pin 186. The tail end of the footrest transmission link 187 is hinged to the front connecting end 132 of the rotating link 13. The front end of the footrest transmission link 187 is hinged to the middle of the second link 182. This allows the rotating rod 2 and the rotating link 13 to move the footrest transmission link 187 and the pivot pin 186, thus enabling the deformation and extension of the first link 181, the second link 182, the third link 183, and the fourth link 184.

[0050] like Figure 6 As shown, the iron frame of the reclining chair also includes an armrest support 3. The armrest support 3 includes an armrest support cross brace 31 and armrest support side braces 32 fixed at both ends of the armrest support cross brace 31. An armrest connecting rod 17 is provided on the inner front part of the armrest support side brace 32. One end of the armrest connecting rod 17 is hinged to the armrest support side brace 32, and the other end is hinged to the outer side of the side brace 11. Both ends of the armrest support cross brace 31 are located below the middle of the side brace 11. Both ends of the armrest support cross brace 31 are welded and fixed to the standing support connecting rod 8, and push connecting rods 33 are fixedly provided at both ends of the armrest support cross brace 31 to drive the side brace. The assembly includes a first link 141 and a second link 142 arranged in an inverted A-shape. The top end of the first link 141 is hinged to the side support 11, the tail end of the first link 141 is hinged to the bottom end of the second link 142, the top end of the second link 142 is hinged to the rear connecting end 133, and the middle part of the first link 141 is hinged to the bottom end of the push link 33. The handrail bracket cross brace 31 is placed between the push link 33 and the first link 141 so that the rotating link 13 can drive the second link 142 to move, thereby realizing the movement of the rotating rod 2 driving the side support drive assembly and the telescopic bracket 1.

[0051] A first connecting frame 21 and a second connecting frame 22 are provided in the middle of the rotating rod 2. The front end of the first electric push rod 24 is hinged to the first connecting frame 21, and the tail end of the first electric push rod 24 is hinged to the hinge bracket 54 on the rear support 52 of the inclined bracket, so that the first electric push rod is inclined between the rotating rod and the inclined bracket. An auxiliary support block 83 is provided at the bottom of the auxiliary support 82. An auxiliary support bracket 23 adapted to the auxiliary support block 83 is provided on the lower side of the end of the rotating rod 2. A rotating rod limiting block 81 is also provided at the tail of the auxiliary connecting rod 8. The auxiliary support block 83 and the rotating rod limiting block 81 limit the rotating rod.

[0052] The backrest telescopic assembly includes a first backrest link 121, a second backrest link 122, and a third backrest link 123. The bottom end of the first backrest link 121 is hinged to the tail end of the side support 11, the top end of the first backrest link 121 is hinged to the front end of the second backrest link 122, and the rear end of the second backrest link 122 is hinged to the top end of the third backrest link 123. A backrest cross brace 124 is fixedly installed between the two third backrest links 123. A backrest connecting bracket 125 is installed in the middle of the backrest cross brace 124. The front end of the second electric push rod 25 is hinged to the second connecting frame 22, and the tail end of the second electric push rod 25 is hinged to the backrest connecting bracket 125 in the middle of the backrest cross brace 124, so that the second electric push rod can drive the backrest telescopic assembly to extend and retract when it extends and retracts.

[0053] During assembly, the first electric push rod 24 is in its initial state, the footrest telescopic assembly is in its retracted state, and the tilting bracket 5 and the base frame 6 are horizontally positioned. When the first electric push rod 24 retracts, the rotating rod 2 moves towards the rotating rod limiting block 81, and the rotating rod 2 drives the footrest telescopic assembly to unfold, forming a flat position. When the rotating rod 2 moves to contact the rotating rod limiting block 81, the footrest telescopic assembly stops extending, and the first electric push rod 24 continues to retract, pulling the tail end of the tilting bracket 5 upward, so that the front end of the tilting bracket 5 forms a support and the front end of the base frame 6 tilts upward, forming an upward-tilted lying position. When the first electric push rod 24 extends, the tilting bracket 5 and the footrest telescopic assembly reset, and the first electric push rod 24 continues to extend obliquely upward, so that the standing aid bracket 23 contacts the standing aid block 83, and the standing aid bracket 23 drives the upper frame assembly to rotate around its tail end, forming a standing posture. Example

[0054] The working method of the iron frame for the above-mentioned standing recliner includes the following steps:

[0055] A. Sitting Posture: The first electric push rod 24 is in its initial state, the tilting bracket 5 and the base frame 6 are in a horizontal state, and the footrest telescopic assembly is in a retracted state, allowing for a sitting posture. Figure 2 As shown.

[0056] B. Lying down position: Activate the first electric push rod 24 to retract the first electric push rod 24. The retraction of the first electric push rod 24 drives the rotating rod 2 to move towards the rotating rod limit block 81. The rotating rod 2 drives the rotating connecting rod 13 to rotate. The rotating connecting rod 13 drives the footrest telescopic assembly to unfold, forming a lying down position. When the rotating rod 2 moves to contact the rotating rod limit block 81, the footrest telescopic assembly no longer extends.

[0057] C. Upward-curved lying position: The first electric push rod 24 continues to retract, and the rotating rod limit block 81 prevents the rotating rod 2 from moving further. The first electric push rod 24 pulls the tail end of the tilting bracket 5 upward, so that the front end of the tilting bracket 5 forms support and the front end of the base frame 6 tilts upward, forming an upward-curved lying position.

[0058] D. Assisted Standing Posture: When the first electric push rod 24 extends, the tilting bracket 5 and the footrest telescopic assembly return to their original positions. The first electric push rod 24 continues to extend obliquely upward, causing the assisted standing bracket 23 to contact the assisted standing block 83 on the assisted standing support 82. The assisted standing bracket 23 drives the assisted standing connecting rod 8, the tilting connecting rod 7, and the H-shaped bracket 4 in the upper frame assembly to rotate upward around the bottom of the base frame support 64. At the same time, the rotating connecting rod 13 pulls the first connecting rod 141 and pushes the connecting rod 143 to move, causing the handrail bracket cross brace 31 to move, so that the tail end of the handrail bracket 3 rises, the side brace 11 rotates around the bracket connecting rod 16, and the backrest assembly rises, forming the assisted standing posture.

[0059] Obviously, the above embodiments are merely examples for clearly illustrating the present invention, and are not intended to limit the implementation of the present invention. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, these obvious variations or modifications derived from the spirit of the present invention are still within the scope of protection of the present invention.

Claims

1. A method of operating an iron stand for a station-assisted deck chair, characterized in that, The iron frame includes: an inclined support, a base frame, a telescopic support, a rotating rod, an upper frame assembly, and a first electric push rod. The two sides of the middle part of the inclined support are hinged to the base frame so that the tail end of the inclined support overlaps the tail end of the base frame, and the front end of the base frame overlaps the front end of the inclined support. The tail end of the upper frame assembly is hinged to the tail end of the base frame. The rotating rod is located above the front part of the upper frame assembly, and both ends of the rotating rod are driven by the telescopic support. An auxiliary stop block is provided at the bottom of the front end of the upper frame assembly. An auxiliary support bracket adapted to the auxiliary stop block is provided on the lower side of the end of the rotating rod. A rotating rod limiting stop block is also provided at the tail of the upper frame assembly. The front end of the first electric push rod is hinged to the middle part of the rotating rod, and the tail end of the first electric push rod is hinged to the tail end of the inclined support so that the first electric push rod is inclined between the rotating rod and the inclined support. The upper frame assembly includes an H-shaped bracket, inclined connecting rods, and auxiliary standing connecting rods. The base frame is fixedly provided with base frame uprights on both sides of its tail end. The H-shaped bracket includes an H-shaped bracket horizontal brace and H-shaped bracket side braces fixedly provided at both ends of the H-shaped bracket horizontal brace. The tail end of the H-shaped bracket side brace is hinged to the bottom of the base frame upright. The tail end of each auxiliary standing connecting rod is fixedly provided with an auxiliary standing support. The front end of the H-shaped bracket side brace is hinged to the bottom of the auxiliary standing support. The tail end of each inclined connecting rod is hinged to the top of the corresponding base frame upright, and the front end of the inclined connecting rod is hinged to the middle of the auxiliary standing support. The telescopic support includes two symmetrically arranged side supports. Each side support has a telescopic footrest assembly at its front end and a telescopic backrest assembly at its rear end. Each side support has a side support drive assembly in its middle section and a support connecting rod at its front end. The top end of the support connecting rod is hinged to the side support, and the bottom end is hinged to the support support. Rotating rods are fixedly installed at both ends of the rotating rod, and fixed connecting rods are fixedly installed on the inner side of each side support. Each rotating connecting rod includes a front connecting end, a rear connecting end, and a rotating connecting end arranged in a triangle. The rotating connecting end is hinged to the bottom of the fixed connecting rod, and the front connecting end is driven by the footrest telescopic assembly, so that the front connecting end can drive the footrest telescopic assembly to extend or retract when the rotating rod rotates. The footrest telescopic assembly includes parallel-arranged first and second footrest links, parallel-arranged third and fourth footrest links, a footrest front support, and a footrest transmission rod. The tail ends of the first and second footrest links are hinged to the front ends of the side support, the tail end of the third footrest link is hinged to the front end of the first footrest link, and the tail end of the fourth footrest link is hinged to the front end of the second footrest link. The front ends of the third connecting rod of the foot plate and the fourth connecting rod of the foot plate are hinged to the front support of the foot plate. The middle part of the first connecting rod of the foot plate is provided with a foot plate rotating pin. The middle part of the fourth connecting rod of the foot plate is hinged to the foot plate rotating pin. The tail end of the foot plate transmission connecting rod is hinged to the front connecting end of the rotating connecting rod. The front end of the foot plate transmission connecting rod is hinged to the middle part of the second connecting rod of the foot plate, so that the rotating connecting rod can drive the foot plate transmission connecting rod and the foot plate rotating pin to move. The described working method includes the following steps: A. Sitting posture: The first electric push rod is in the initial state, the tilting bracket and the base frame are in the horizontal state, and the footrest telescopic component is in the retracted state, which can realize sitting upright; B. Lying down position: Activating the first electric push rod causes it to retract. The retraction of the first electric push rod drives the rotating rod to move towards the rotating rod limit block. The rotating rod drives the rotating connecting rod to rotate, and the rotating connecting rod drives the footrest telescopic assembly to unfold, forming a lying down position. When the rotating rod moves to contact the rotating rod limit block, the footrest telescopic assembly stops extending. C. Upward-curved lying position: The first electric push rod continues to retract, and the rotating rod limit block prevents the rotating rod from moving further. The first electric push rod pulls the tail end of the tilting bracket upward, so that the front end of the tilting bracket forms support and the front end of the base frame tilts upward, forming an upward-curved lying position. D. Assisted standing posture: When the first electric push rod extends, the tilting bracket and footrest telescopic assembly reset. The first electric push rod continues to extend obliquely upward so that the assisted standing bracket contacts the assisted standing block. The assisted standing bracket drives the upper frame assembly to rotate around its tail end, forming the assisted standing posture. The described working method further includes a handrail support, which includes a handrail support cross brace and handrail support side braces fixed at both ends of the handrail support cross brace. A handrail connecting rod is provided on the inner front part of the handrail support side brace. One end of the handrail connecting rod is hinged to the handrail support side brace, and the other end is hinged to the outer side of the side brace. Both ends of the handrail support cross brace are located below the middle of the side brace. Both ends of the handrail support cross brace are fixedly connected to the standing aid connecting rod. The handrail support cross brace is driven by a side brace driving assembly. The side brace driving assembly is driven by a rear connecting end of the rotating connecting rod, so that when the rotating rod rotates, the rear connecting end can drive the side brace driving assembly to move.

2. The method of working according to claim 1, characterized in that, The side support drive assembly includes a first link and a second link arranged in an inverted A-shape. Push links are fixedly installed at both ends of the handrail bracket cross brace. The top end of the first link is hinged to the side support, the tail end of the first link is hinged to the bottom end of the second link, the top end of the second link is hinged to the rear connection end, and the middle part of the first link is hinged to the tail end of the push link, so that the rotating rod can drive the side support drive assembly and the telescopic bracket to move.

3. The method of working according to claim 1, characterized in that, The backrest telescopic assembly includes a first backrest link, a second backrest link, and a third backrest link. The bottom end of the first backrest link is fixedly connected to the tail end of the side brace. The top end of the first backrest link is hinged to the front end of the second backrest link. The rear end of the second backrest link is hinged to the top end of the third backrest link. A backrest cross brace is fixedly provided between the two third backrest links.

4. The method of working according to claim 3, characterized in that, It also includes a second electric push rod, the front end of which is hinged to the middle of the rotating rod, and the tail end of which is hinged to the middle of the backrest cross brace.

5. The method of claim 1, wherein, Pads are provided on both sides of the rear end of the base frame and on both sides of the front end of the base frame, and rollers are provided on both sides of the front end of the inclined bracket.

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