CN109124120B - An iron frame for a standing-assisted recliner and its working method - Google Patents

Abstract

The invention relates to an iron frame for a standing-assisting deck chair and a working method thereof, wherein the iron frame for the standing-assisting deck chair comprises an inclined bracket, a bottom bracket, a telescopic bracket, a rotary rod, an upper bracket component and a first electric push rod, wherein two sides of the middle part of the inclined bracket are hinged and matched with the bottom bracket so that the tail end of the inclined bracket is overlapped at the tail end of the bottom bracket, and the front end of the bottom bracket is overlapped at the front end of the inclined bracket; the tail end of the upper frame component is hinged to the tail end of the underframe, the rotating rod is arranged above the front portion of the upper frame, the two ends of the rotating rod are in transmission fit with the telescopic support, the front end of the upper frame component is provided with a stop-assisting block, the lower side of the end of the rotating rod is provided with a stop-assisting support which is matched with the stop-assisting block, the tail portion of the upper frame component is further provided with a rotating rod limit stop, the front end of the first electric push rod is hinged to the middle of the rotating rod, the tail end of the first electric push rod is hinged to the tail end of the inclined support, and accordingly the first electric push rod is obliquely arranged between the rotating rod and the inclined support.

Description

An iron frame for a standing-assisted recliner and its working method

Technical field

The present invention relates to the technical field of sofa accessories, in particular to an iron frame for a standing-assisted recliner and a working method thereof.

Background technique

Recliners have become necessary furniture for many families. With the continuous improvement of people's living standards, electric recliners and sofas have gradually entered ordinary people's homes. The electric recliner sofa is a powered sofa that can automatically lie down. The surface is generally covered with high-grade genuine cowhide, and the middle is filled with high-grade sponge. The main structure is supported by a retractable iron frame of the recliner. It is fashionable and beautiful. Widely used in homes, companies and other places. The emergence of electric sofas and recliners can be said to have opened up a new chapter in the leisure industry and furniture industry. Electric sofas and recliners have the practicality of furniture and the leisure style of the leisure industry. The high-tech automated design can perfectly combine the three. combined together.

Existing iron frames for recliners generally have positions such as lying flat, legs crossed, and sitting upright. There are many iron frames for recliners with the above functions, such as Chinese Patent Authorization Announcement No. CN202892335U, CN203538831U, CN203314481U, etc. The iron frames for recliners recorded in the above patent documents The frame does not have the function of assisting standing. For some elderly and disabled people, there is a lot of inconvenience when using it. In order to improve the above defects, China Authorized Patent Announcement No. CN203986974U discloses a dual-motor driven recliner mechanism, including: a base, The base is provided with a first driving head, a second driving head, a tail adjustment bracket assembly and a middle adjustment bracket assembly. The first driving head drives the tail adjustment bracket to a vertical state, a flat state or an inclined state, so The middle adjusting bracket assembly is connected with a front adjusting link part, and the second driving head drives the middle adjusting bracket assembly to rise and lower so that it is in an upright or lying state, and drives the front adjusting link part to open. state or contracted state, the front adjusting link part is locked by the tail adjusting bracket assembly in the contracted state, and is released by the tail adjusting bracket assembly in the open state. The dual-motor driven recliner mechanism can realize various functions such as extending and contracting the recliner footrest, raising and lowering the recliner frame, and tilting and erecting the backrest. For some special users, it is necessary to lie flat on the recliner with the head down and the feet up, so that the blood from the feet can flow to the head faster, or to achieve corresponding other purposes. The existing recliner structure cannot achieve the above functions.

Contents of the invention

The technical problem to be solved by the present invention is to provide an iron frame for a standing-assisted reclining chair that has a simple structure and can realize the function of lowering the head and raising the feet and a working method thereof.

In order to solve the above technical problems, the invention provides an iron frame for a standing-assisted recliner, including: a tilt bracket, a bottom frame, a telescopic bracket, a rotating rod, an upper frame assembly, and a first electric push rod. The two sides of the middle part of the tilt bracket are connected to The bottom frame is hingedly matched so that the rear end of the tilt bracket overlaps the rear end of the bottom frame, and the front end of the bottom frame overlaps the front end of the tilt bracket; the tail end of the upper shelf component and the tail end of the bottom frame Hingedly coupled, the rotating rod is arranged above the front of the upper shelf assembly, the two ends of the rotating rod are transmission matched with the telescopic bracket, the front end of the upper shelf assembly is provided with a standing stop, and the rotating rod is The lower side of the end is provided with a standing assist bracket that is adapted to the standing assist stop. The tail of the upper rack assembly is also provided with a rotating rod limit stop. The front end of the first electric push rod is connected to the middle part of the rotating rod. The tail end of the first electric push rod is hingedly matched with the tail end of the tilt bracket, so that the first electric push rod is tilted between the rotating rod and the tilt bracket; during assembly, the first electric push rod is in In the initial state, the footrest telescopic assembly is in a contracted state, and the tilt bracket and the chassis are set horizontally; when the first electric push rod contracts, the rotating rod moves toward the rotation rod limit stop, and the rotating rod drives the footrest telescopic assembly to expand, forming a flat Lying state; when the rotating rod moves to contact the rotating rod limit stop, the telescopic component of the footrest no longer extends, and the first electric push rod continues to contract, and the first electric push rod pulls the tail end of the tilt bracket upward, causing the tilt bracket to rise. The front end of the base frame forms a support, and the front end of the chassis is tilted up, forming an upturned lying position; when the first electric push rod is extended, the tilt bracket and the footrest telescopic assembly are reset, and the first electric push rod continues to extend diagonally upward to make the assist The standing bracket is in contact with the standing-assist stop block, and the standing-assist bracket drives the upper shelf component to rotate around its rear end to form the standing-assist posture.

Further, the upper shelf component includes an H-shaped bracket, a tilt link, and a standing link. Bottom brackets are fixed on both sides of the rear end of the chassis. The H-shaped bracket includes H-shaped bracket transverse braces and fixed settings. There are H-shaped bracket side supports at both ends of the H-shaped bracket cross braces. The tail ends of the H-shaped bracket side braces are hingedly matched with the bottoms of the chassis upright supports. The tail ends of each assisting station connecting rods are fixedly equipped with supporting standing supports. The front end of the side support of the H-shaped bracket is hingedly matched with the bottom of the standing support, the tail end of each tilting link is hingedly matched with the top end of the corresponding chassis support, and the front end of the tilting link is hingedly matched with the middle part of the standing support. The H-shaped bracket side supports, auxiliary support supports, tilt connecting rods, and chassis upright supports form a quadrilateral structure.

Further, the telescopic bracket includes symmetrically arranged two side supports, a retractable footrest assembly is provided at the front end of each side support, a retractable backrest assembly is provided at the tail end of each side support, and a side support driving assembly is provided in the middle of each side support. , the front end of each side support is also provided with a bracket connecting rod, the top end of the bracket connecting rod is hingedly matched with the side bracket, and the bottom end of the bracket connecting rod is hingedly matched with the standing support; both ends of the rotating rod are fixed respectively A rotating connecting rod is provided, and a fixed connecting rod is fixed 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 distributed in a triangle. The rotating connecting end is connected to the fixed connecting rod. The bottom is hingedly matched, and the front connecting end is drivingly matched with the footrest telescopic assembly, so that when the rotating rod rotates, the front connecting end can drive the footrest telescopic assembly to telescope.

Furthermore, the iron frame for the standing-assisted recliner also includes an armrest bracket. The armrest bracket includes a horizontal brace of the armrest bracket and a side brace of the armrest bracket fixed at both ends of the horizontal brace of the armrest bracket. An armrest is provided on the inside of the front of the side brace of the armrest bracket. Connecting rod, one end of the armrest connecting rod is hingedly matched with the side support of the armrest bracket, and the other end is hingedly matched with the outer side of the side support. The two ends of the armrest bracket transverse support are placed below the middle part of the side support. , the two ends of the armrest support cross brace are fixedly connected to the standing assist link, the armrest support cross brace is in transmission cooperation with the side support drive assembly, and the side support drive assembly is connected to the rear connection end of the rotation link. The transmission fit is such that when the rotating rod rotates, the rear connecting end can drive the side support driving assembly to move.

Further, the side support driving assembly includes a first connecting rod and a second connecting rod distributed in an inverted A shape. Pushing connecting rods are fixed at both ends of the armrest bracket transverse support. The top end of the first connecting rod is connected to the first connecting rod. The side supports are hingedly matched, the tail end of the first connecting rod is hingedly matched with the bottom end of the second connecting rod, the top end of the second connecting rod is hingedly matched with the rear connecting end, and the first connecting rod is hingedly matched with the rear connecting end. The middle part of the connecting rod is hingedly matched with the tail end of the pushing connecting rod, so that the rotating rod can drive the side support driving assembly and the telescopic bracket to move.

Further, the footrest telescopic assembly includes a first footrest link and a second footrest link arranged in parallel, a third footrest link and a fourth footrest link arranged in parallel, a front footrest support, and a footrest. The transmission rod, the tail end of the first connecting rod of the footrest and the second connecting rod of the footrest are hingedly matched with the front end of the side support, and the tail end of the third connecting rod of the footrest is hingedly connected with the first connecting rod of the footrest. The front end of the rod is hingedly matched, the tail end of the fourth connecting rod of the footrest is hingedly matched with the front end of the second connecting rod of the footrest, and the front ends of the third connecting rod of the footrest and the fourth connecting rod of the footrest are connected with the front end of the second connecting rod of the footrest. The front support of the footrest is hingedly matched, the middle part of the first link of the footrest is provided with a footrest rotation pin, the middle part of the fourth link of the footrest is hingedly matched with the footrest rotation pin, and the footrest transmission link is The rear end is hingedly matched with the front connecting end of the rotating link, and the front end of the footrest transmission link is hingedly matched with the footrest second link, so that the rotating link can drive the footrest transmission. The connecting rod and the footrest rotating pin move to realize the deformation and expansion of the first link of the footrest, the second link of the footrest, the third link of the footrest and the fourth link of the footrest.

Further, 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 link is hingedly matched with the front end of the second link of the backrest, and the rear end of the second link of the backrest is hingedly matched with the top end of the third link of the backrest. A backrest cross brace is fixedly provided. When the backrest cross brace moves, it can drive the backrest first link, the backrest second link, and the backrest third link to expand and contract.

Furthermore, the iron frame for the standing-assisted recliner also includes a second electric push rod, the front end of the second electric push rod is hingedly matched with the middle part of the rotating rod, and the tail end of the second electric push rod is connected with the backrest. The middle part of the cross brace is hingedly matched so that the second electric push rod can drive the backrest telescopic assembly to telescope.

Further, pads are provided on both sides of the rear end of the chassis and on both sides of the front end of the chassis, and rollers are provided on both sides of the front end of the tilt bracket.

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

A. Upright sitting posture: The first electric push rod is in the initial state, the tilt bracket and the bottom frame are in a horizontal state, and the footrest telescopic component is in a contracted state, allowing you to sit upright.

B. Lying down position: Activate the first electric push rod to shrink the first electric push rod. The contraction of the first electric push rod drives the rotating rod to move in the direction of the rotating rod limit stop. The rotating rod drives the rotating connecting rod to rotate. The rotating connecting rod rotates. The rod drives the telescopic component of the footrest to expand, forming a lying state; when the rotating rod moves to contact the limit stop of the rotating rod, the telescopic component of the footrest no longer extends.

C. Upturned lying position: The first electric push rod continues to shrink, and the limit stop of the rotating rod prevents the rotating rod from continuing to move. The first electric push rod pulls the tail end of the tilt bracket to tilt upward, so that the front end of the tilt bracket forms a support. The front end of the chassis is tilted up, forming an upturned lying position.

D. Standing assistance posture: When the first electric push rod is extended, the tilt bracket and the footrest telescopic assembly are reset, and the first electric push rod continues to extend diagonally upward so that the standing assistance bracket contacts the standing assistance block. Drive the upper shelf assembly to rotate around its tail end to form a standing posture.

Technical effects of the invention: (1) Compared with the existing technology, the iron frame for a standing-assisted recliner of the present invention is provided with an inclined bracket, so that after the telescopic bracket is deployed, the front end of the chassis can be raised by being driven by the first electric push rod. , the user can realize the function of lowering the head and raising the feet after lying down, which enriches the functions of the iron frame; (2) The setting of the rollers allows the front end of the tilting bracket to slide and cooperate with the ground to reduce frictional resistance; (3) It has three The rotating link at the connecting end enables three operating modes of lying down, lying down, and standing with assistance using only one electric push rod. It has a simple structure and rich functions.

Description of the drawings

The present invention will be further described in detail below in conjunction with the accompanying drawings:

Figure 1 is a schematic three-dimensional structural diagram of an iron frame for a standing-assisted recliner of the present invention;

Figure 2 is a schematic structural diagram of the iron frame for the standing-assisted recliner of the present invention in a sitting position;

Figure 3 is a schematic structural diagram of the iron frame for the standing-assisted recliner of the present invention in a lying state;

Figure 4 is a schematic structural diagram of the iron frame for the standing-assisted recliner of the present invention in an upturned lying position.

Figure 5 is a schematic structural diagram of the iron frame for a standing-assisted recliner of the present invention in a standing-assisted state;

Figure 6 is a schematic diagram of the exploded structure of the iron frame for the standing-assisted recliner of the present invention;

Figure 7 is a schematic three-dimensional structural diagram of the telescopic bracket and the rotating rod;

Figure 8 is a side view of the telescopic bracket;

Figure 9 is a schematic diagram of the assembly structure of the H-shaped bracket, tilt bracket, bottom frame, tilt link, and standing assist link.

Figure 10 is a schematic diagram of the exploded structure of the H-shaped bracket, tilt bracket, bottom frame, tilt link, and standing assist link.

In the picture:

Telescopic bracket 1, side support 11,

The first backrest link 121, the second backrest link 122, the third backrest link 123, the backrest cross brace 124, and the backrest connecting bracket 125;

Rotate connecting rod 13, rotate connecting end 131, front connecting end 132, rear connecting end 133,

The first connecting rod 141, the second connecting rod 142,

Fixed link 15, bracket link 16, armrest link 17,

Footrest first link 181, footrest second link 182, footrest third link 183, footrest fourth link 184, footrest front support 185, footrest rotation pin 186, footrest transmission rod 187,

Rotating rod 2, first connecting frame 21, second connecting frame 22, standing support bracket 23, first electric push rod 24, second electric push rod 25,

Armrest bracket 3, armrest bracket cross brace 31, armrest bracket side brace 32, push link 33,

H-shaped bracket 4, H-shaped bracket cross brace 41, H-shaped bracket side brace 42,

Tilting bracket 5, tilting bracket front support 51, tilting bracket back support 52, tilting bracket side support 53, hinged bracket 54, roller 55, limit stop 56,

Bottom frame 6, bottom frame front support 61, bottom frame back support 62, bottom frame side support 63, bottom frame vertical support 64, pad 65,

Tilt link 7, stand-assist link 8, rotating rod limit stop 81, stand-assist support 82, stand-assist stop 83.

Detailed ways

Example 1

As shown in Figures 1 and 6, the iron frame for a standing-assisted recliner in this embodiment includes a tilt bracket 5, a bottom frame 6, a telescopic bracket 1, a rotating rod 2, an upper frame assembly, a first electric push rod 24, a second Push rod 25, armrest bracket 3.

As shown in Figures 9 and 10, the chassis 6 includes a chassis front brace 61, a chassis back brace 62 and two chassis side braces 63 placed on both sides. The two ends of the chassis front brace 61 are connected to the two chassis respectively. The front ends of the side supports 63 are welded and fixed, and the two ends of the chassis back support 62 and the rear parts of the two chassis side supports 63 are welded and fixed to form a rectangular chassis frame. The two ends of the chassis back support 62 and the chassis front support Pads 65 are respectively provided at both ends of 61 so that the chassis 6 can contact the ground through the pads 65; upwardly extending chassis uprights 64 are respectively provided at the rear of the two chassis side supports 63.

As shown in Figures 9 and 10, the tilting bracket 5 includes a tilting bracket front support 51, a tilting bracket back support 52 and two tilting bracket side supports 53 placed on both sides. The two ends of the tilting bracket front support 51 They are welded and fixed with the front ends of the two inclined bracket side supports 53 respectively. The two ends of the inclined bracket back support 52 are welded and fixed with the rear parts of the two inclined bracket side supports 53 to form a rectangular inclined bracket frame. The two ends of the inclined bracket front support 51 Rollers 55 are provided, the outer middle part of each tilt bracket side support 53 is hingedly matched with the inner middle part of the chassis side support 63, and limit stops 56 are protruding from both ends of the tilt bracket back support 52, so that the tilt bracket 5 ends The limit stop 56 at the end of the chassis 6 overlaps with the chassis back support 62 at the rear end of the chassis 6, and the chassis front support 61 at the front end of the chassis 6 overlaps with the front of the tilt bracket side brace 53 of the tilt bracket 5. A hinged bracket 54 is provided in the middle of the tilt bracket back support 52 .

As shown in Figures 9 and 10, the upper rack assembly includes an H-shaped bracket 4, a pair of tilt links 7, and a pair of standing aid links 8. The H-shaped bracket 4 includes an H-shaped bracket cross brace 41 and a H-shaped bracket fixedly installed on the H-shaped bracket. There are H-shaped bracket side supports 42 at both ends of the H-shaped bracket cross brace 41. The tail ends of the H-shaped bracket side braces 42 are hingedly matched with the bottoms of the corresponding chassis upright braces 64. The tail ends of each standing aid connecting rod 8 are fixedly provided with standing aid supports. 82. The front end of the H-shaped bracket side support 42 is hingedly matched with the bottom of the standing support 82. The tail end of each tilting link 7 is hingedly matched with the top of the corresponding bottom frame support 64. The front end of the tilting link 7 is hingedly matched with the standing support 82. The middle part of the bracket is hingedly matched, so that the H-shaped bracket side supports 42, the auxiliary support support 82, the tilt link 7, and the bottom chassis support support 64 form a quadrilateral structure.

As shown in Figures 7 and 8, the telescopic bracket 1 includes symmetrically arranged two side supports 11. The front end of each side support 11 is provided with a retractable footrest assembly, and the rear end of each side support 11 is provided with a retractable backrest assembly. The side support driving assembly is arranged in the middle of the side support 11, the rotating rod 2 is arranged on the upper side of the front part of the standing assist link 8, the two ends of the rotating rod 2 are respectively fixed with rotating links 13, and the inner sides of each side support 11 are fixedly arranged. The connecting rod 15 and the rotating link 13 include a front connecting end 132, a rear connecting end 133 and a rotating connecting end 131 distributed in a triangle. The rotating connecting end 131 is hingedly matched with the bottom of the corresponding fixed link 13. The front end of each side support 11 is also provided with a bracket connecting rod 16. The top end of the bracket connecting rod 16 is hingedly matched with the side bracket 11, and the bottom end of the bracket connecting rod 16 is hingedly matched with the standing support 82.

The footrest telescopic assembly includes a first footrest link 181 and a second footrest link 182 arranged in parallel, a third footrest link 183 and a fourth footrest link 184 arranged in parallel, a footrest front support 185, and a footrest front support 185. The rear end of the footrest transmission rod 187, the first linkage 181 of the footrest and the second linkage 182 of the footrest are hingedly matched with the front end of the side support 11, and the rear end of the third linkage 183 of the footrest is hingedly matched with the first linkage 181 of the footrest. The front end of the footrest link 184 is hingedly matched with the front end of the footrest second link 182, and the front ends of the footrest third link 183 and the footrest fourth link 184 are with the footrest front support. 185 hingedly cooperates, the middle part of the footrest first connecting rod 181 is provided with a footrest rotating pin 186, the middle part of the footrest fourth connecting rod 184 is hingedly matched with the footrest rotating pin 186, and the tail end of the footrest transmission link 187 is connected with the rotating pin 186. The front connecting end 132 of the rod 13 is hingedly matched, and the front end of the footrest transmission link 187 is hingedly matched with the middle part of the footrest second link 182, so that the rotating rod 2 and the rotating link 13 can drive the footrest transmission link 187, The footrest rotation pin 186 moves to realize the deformation and expansion of the footrest first link 181, the footrest second link 182, the footrest third link 183, and the footrest fourth link 184.

As shown in Figure 6, the iron frame for the standing-assisted recliner also includes an armrest bracket 3. The armrest bracket 3 includes an armrest bracket cross brace 31 and armrest bracket side braces 32 fixed at both ends of the armrest bracket cross brace 31. The armrest bracket side braces 32 An armrest link 17 is provided on the inside of the front part of the armrest link 17. One end of the armrest link 17 is hingedly matched with the armrest bracket side brace 32, and the other end is hingedly matched with the outside of the side brace 11. The two ends of the armrest bracket cross brace 31 are placed in the middle of the side brace 11. Below, the two ends of the handrail bracket cross brace 31 are welded and fixed with the standing assist link 8, and the two ends of the handrail bracket cross brace 31 are fixedly provided with push links 33. The side brace drive assembly includes a first inverted A-shaped distribution. Connecting rod 141 and second connecting rod 142. The top end of the first connecting rod 141 is hingedly matched with the side support 11. The tail end of the first connecting rod 141 is hingedly matched with the bottom end of the second connecting rod 142. The top end is hingedly matched with the rear connecting end 133, the middle part of the first link 141 is hingedly matched with the bottom end of the push link 33, and the armrest bracket cross brace 31 is placed between the push link 33 and the first link 141 to allow rotation. The connecting rod 13 can drive the second connecting rod 142 to move, so that the rotating rod 2 drives the side support driving assembly and the telescopic bracket 1 to move.

The first connecting frame 21 and the second connecting frame 22 are arranged in the middle of the rotating rod 2. The front end of the first electric push rod 24 is hingedly matched with the first connecting frame 21, and the rear end of the first electric push rod 24 is connected with the tilt bracket back support 52. The hinged bracket 54 on the upper body is hingedly matched so that the first electric push rod is tilted between the rotating rod and the tilting bracket. The standing supporting block 83 is provided on the inside of the standing supporting support 82, and the lower end of the rotating rod 2 is arranged with the standing supporting bracket The stop 83 is adapted to the standing assist bracket 23, and the tail of the standing assist connecting rod 8 is also provided with a rotation rod limit stop 81. The rotation rod is limited by the assistance stop 83 and the rotation rod limit stop 81.

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 hingedly matched with the tail end of the side support 11. The first backrest link 121 The top end of the backrest second link 122 is hingedly matched with the front end of the backrest second link 122. The rear end of the backrest second link 122 is hingedly matched with the top end of the backrest third link 123. A backrest cross brace 124 is fixed between the two backrest third links 123. , a backrest connection bracket 125 is provided in the middle of the backrest cross brace 124, the front end of the second electric push rod 25 is hingedly matched with the second connection frame 22, and the rear end of the second electric push rod 25 is connected to the backrest connection bracket 125 in the middle of the backrest cross brace 124. The hinged fit enables the second electric push rod to drive the backrest telescopic component to telescope when the second electric push rod telescopes.

During assembly, the first electric push rod 24 is in the initial state, the footrest telescopic assembly is in a retracted state, the tilt bracket 5 and the chassis 6 are set horizontally; when the first electric push rod 24 contracts, the rotating rod 2 moves toward the rotating rod limit stop 81 direction, the rotating rod 2 drives the footrest telescopic assembly to expand, forming a flat state; when the rotating rod 2 moves to the point where the rotating rod 2 contacts the rotating rod limit stop 81, the footrest telescopic assembly no longer extends, and the first electric push When the rod 24 continues to shrink, the first electric push rod 24 pulls the rear end of the tilt bracket 5 to rise, so that the front end of the tilt bracket 5 forms a support and the front end of the chassis 6 rises, forming an upturned lying position; the first electric push rod When 24 is extended, the tilt bracket 5 and the footrest telescopic assembly are reset, and the first electric push rod 24 continues to extend obliquely upward so that the standing assist bracket 23 contacts the standing assist stop 83, and the standing assist bracket 23 drives the upper shelf assembly to rotate around it. Turn the tail end to form a standing position.

Example 2

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

A. Sitting posture: the first electric push rod 24 is in the initial state, the tilt bracket 5 and the bottom frame 6 are in a horizontal state, and the footrest telescopic assembly is in a contracted state, allowing sitting upright, as shown in Figure 2.

B. Lying down position: Activate the first electric push rod 24 to shrink the first electric push rod 24. The contraction of the first electric push rod 24 drives the rotating rod 2 to move toward the rotating rod limit stop 81. The rotating rod 2 drives the rotating link. The rod 13 rotates, and the rotating link 13 drives the footrest telescopic assembly to expand, forming a lying state; when the rotating rod 2 moves to contact the rotating rod limit stop 81, the footrest telescopic assembly no longer extends.

C. Upturned lying position: The first electric push rod 24 continues to shrink, and the rotation rod limit stop 81 prevents the rotation rod 2 from continuing to move. The first electric push rod 24 pulls the tail end of the tilt bracket 5 to tilt up, making the tilt bracket The front end of 5 forms a support, and the front end of the chassis 6 is tilted up, forming an upturned lying position.

D. Standing assistance posture: When the first electric push rod 24 is extended, the tilt bracket 5 and the footrest telescopic assembly are reset, and the first electric push rod 24 continues to extend diagonally upward so that the standing assistance bracket 23 and the standing support 82 are connected. When the stand-assist stop 83 comes into contact, the stand-assist bracket 23 drives the tilt link 7 and the H-shaped bracket 4 in the upper shelf assembly to rotate upward around the bottom of the chassis support 64. At the same time, the rotating link 13 pulls the first link 141 and the first link 141. The movement of the second link 142 drives the armrest bracket 3, the side supports 11, and the standing aid link 8 to move, causing the rear end of the armrest bracket 3 to rise, the side supports 11 to rotate around the bracket link 16, the backrest assembly to rise, and the standing aid link 8 to move. Lift up to form a standing position.

Obviously, the above-mentioned embodiments are only examples to clearly illustrate the present invention, but are not intended to limit the implementation of the present invention. For those of ordinary skill in the art, other different forms of changes or modifications can be made based on the above description. An exhaustive list of all implementations is neither necessary nor possible. However, these obvious changes or modifications derived from the spirit of the present invention are still within the protection scope of the present invention.

Claims (1)

1. An iron frame for a standing-assisted recliner, characterized in that it includes: a tilting bracket, a bottom frame, a telescopic bracket, a rotating rod, an upper frame assembly, and a first electric push rod. The two sides of the middle part of the tilting bracket are in contact with the said The bottom frame is hingedly matched so that the rear end of the tilt bracket is overlapped with the rear end of the bottom frame, and the front end of the bottom frame is overlapped with the front end of the tilt bracket; the tail end of the upper shelf assembly is hingedly matched with the tail end of the bottom frame , the rotating rod is arranged above the front of the upper shelf assembly, the two ends of the rotating rod are driven and matched with the telescopic bracket, the bottom of the front end of the upper shelf assembly is provided with a standing block, and the end of the rotating rod The lower side of the base is provided with a standing assist bracket that is adapted to the standing assist stop. The tail of the upper rack assembly is also provided with a rotating rod limit stop. The front end of the first electric push rod is hingedly connected to the middle part of the rotating rod. Cooperating, the tail end of the first electric push rod is hingedly matched with the tail end of the tilt bracket, so that the first electric push rod is tilted and arranged between the rotating rod and the tilt bracket; The telescopic bracket includes symmetrically arranged two side supports. The front end of each side support is provided with a telescopic footrest telescopic assembly, the tail end of each side support is provided with a retractable backrest assembly, and the middle part of each side support is provided with a side support driving assembly. The front end of each side support is also provided with a bracket connecting rod, the top end of the bracket connecting rod is hingedly matched with the side bracket, and the bottom end of the bracket connecting rod is hingedly matched with the standing support; the two ends of the rotating rod are respectively fixed. Rotating connecting rod, a fixed connecting rod is fixed 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 distributed in a triangle. The rotating connecting end is connected to the bottom of the fixed connecting rod. The front connecting end is hingedly matched with the footrest telescopic assembly, so that when the rotating rod rotates, the front connecting end can drive the footrest telescopic assembly to telescope.