WO2020088552A1 - 一种双电机驱动助站躺椅用铁架及其工作方法 - Google Patents

一种双电机驱动助站躺椅用铁架及其工作方法 Download PDF

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Publication number
WO2020088552A1
WO2020088552A1 PCT/CN2019/114516 CN2019114516W WO2020088552A1 WO 2020088552 A1 WO2020088552 A1 WO 2020088552A1 CN 2019114516 W CN2019114516 W CN 2019114516W WO 2020088552 A1 WO2020088552 A1 WO 2020088552A1
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WO
WIPO (PCT)
Prior art keywords
link
bracket
plate
leg plate
motor
Prior art date
Application number
PCT/CN2019/114516
Other languages
English (en)
French (fr)
Inventor
朱黎明
张直行
Original Assignee
常州泽辉机械有限公司
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Filing date
Publication date
Application filed by 常州泽辉机械有限公司 filed Critical 常州泽辉机械有限公司
Priority to EP19878296.3A priority Critical patent/EP3777612A4/en
Publication of WO2020088552A1 publication Critical patent/WO2020088552A1/zh

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C1/00—Chairs adapted for special purposes
    • A47C1/02—Reclining or easy chairs
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/14—Standing-up or sitting-down aids
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/002—Chair or stool bases
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/50—Supports for the feet or the legs coupled to fixed parts of the chair
    • A47C7/506—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/54—Supports for the arms
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/1056—Arrangements for adjusting the seat
    • A61G5/1067—Arrangements for adjusting the seat adjusting the backrest relative to the seat portion
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61G—TRANSPORT, PERSONAL CONVEYANCES, OR ACCOMMODATION SPECIALLY ADAPTED FOR PATIENTS OR DISABLED PERSONS; OPERATING TABLES OR CHAIRS; CHAIRS FOR DENTISTRY; FUNERAL DEVICES
    • A61G5/00—Chairs or personal conveyances specially adapted for patients or disabled persons, e.g. wheelchairs
    • A61G5/10—Parts, details or accessories
    • A61G5/12—Rests specially adapted therefor, e.g. for the head or the feet
    • A61G5/128—Rests specially adapted therefor, e.g. for the head or the feet for feet
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E10/00—Energy generation through renewable energy sources
    • Y02E10/50—Photovoltaic [PV] energy

Definitions

  • the invention relates to the technical field of sofa accessories and equipment, in particular to an iron frame for a double motor-driven auxiliary station recliner and its working method.
  • the recliner is already a necessary furniture for many families. With the continuous improvement of people's living standards, electric recliner sofas have gradually entered ordinary families.
  • the electric recliner sofa is a sofa that can lie down automatically with electricity.
  • the surface is generally covered with high-quality real cowhide, filled with high-grade sponge in the middle, and the main structure is supported by the retractable iron frame of the recliner, which is fashionable and beautiful. Widely used in homes, companies and other places.
  • the emergence of the electric sofa recliner can be said to have opened up a new chapter in the leisure industry and the furniture industry.
  • the electric sofa recliner has the practicality of furniture and the leisure type of the leisure industry. The design of high-tech automation can perfect these three Combined together.
  • the existing recliner iron frame generally has a lying, tilting, and sitting posture.
  • recliner iron frames with the above functions, such as the Chinese patent authorization announcement number CN202892335U, CN203538831U, CN203314481U, etc.
  • the recliner iron described in the above patent documents The frame does not have the function of assisting standing. For some elderly people and people with disabilities, there are many inconveniences in use.
  • China ’s authorized patent announcement number 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 adjusting bracket assembly and a middle adjusting bracket assembly.
  • the first driving head drives the tail adjusting bracket to be in a vertical state, a lying state or an inclined state.
  • the middle adjustment bracket assembly is connected with a front adjustment link part
  • the second drive head drives the middle adjustment bracket assembly to move up and down to be upright or lying, and drives the front adjustment link part to open State or retracted state
  • the front adjustment link part is retracted by the tail adjustment bracket assembly when in the retracted state Tight, in the opened state is released aft adjustable bracket assembly.
  • the double-motor-driven recliner mechanism can realize the functions of extending and contracting the footrest of the recliner, raising and lowering the recliner frame, and tilting and erecting the backrest. For some special users, it is necessary to realize a lying state with the head down and the foot high on the recliner, so as to accelerate the blood flow from the feet to the head, or to achieve other corresponding purposes.
  • the existing recliner structure cannot achieve the above functions.
  • the technical problem to be solved by the present invention is to provide an iron frame for a double-motor-driven auxiliary station recliner with a simple structure and capable of realizing head-to-foot and foot-high functions and a working method thereof.
  • the iron frame for a double-motor-driven auxiliary station recliner includes a telescopic power mechanism, a telescopic bracket, a base, a motor bracket, a tilt bracket, a rack assembly, a tilt link, and the tilt bracket has two The middle part of the side is spliced with the middle parts of the two sides of the base, and the tail end of the inclined bracket is upwardly arranged; One end of the tilt link is hingedly engaged with the rotating rod bracket, and the other end of the tilt link is hingedly engaged with the tail end of the tilt bracket to drive the tilt bracket to move when the rotating rod rotates
  • the motor bracket is placed above the upper frame assembly, the rear end of the telescopic power mechanism cooperates with the rotating rod, and the front end of the telescopic power mechanism is in transmission coordination with the motor bracket.
  • the two ends are respectively driven to cooperate with the telescopic support, so that when the power telescopic mechanism is telescopic, the motor support and the upper rack component can be
  • the telescopic bracket includes a seat board assembly, a leg board telescopic assembly, a foot board telescopic assembly, and a backrest telescopic assembly.
  • a retractable backrest telescopic assembly is provided on both sides of the tail end of the seat board assembly, and two front ends of the seat board assembly.
  • the side is respectively provided with a telescopic leg plate telescopic component, and the front end of the leg plate telescopic component is provided with a telescopic foot plate telescopic component; the tail ends on both sides of the motor bracket are in driving cooperation with the backrest telescopic component, and the motor bracket has two The front end of the side is drive-fitted with the leg plate telescopic component, so that the backrest telescopic component and the leg plate telescopic component can be driven to expand and contract when the motor bracket moves.
  • the upper shelf assembly includes an H-shaped bracket and a connecting rod
  • a seat plate bracket is provided on both sides of a front end of the seat plate assembly downward, and a bottom end of the seat plate bracket is hingedly engaged with the front of the H-shaped bracket
  • the tail ends on both sides of the base are upwardly provided with base brackets, the tail ends on both sides of the H-shaped bracket are hingedly fitted with the bottom of the base bracket, and the front end of the connecting rod is hingedly fitted with the middle of the seat plate bracket,
  • the tail end of the connecting rod is hingedly matched with the top of the base bracket;
  • the power telescopic mechanism is a slider-type electric push rod, and the slider-type electric push rod includes a drive-fitted electric push rod and a slider.
  • the rear end of the push rod is hingedly matched with the middle of the rotating rod, the front end of the electric push rod is set toward the backrest telescopic assembly, the slider is fixedly arranged on the motor bracket; the slider is placed on the electric push rod during assembly At the middle of this, the front end of the tilt bracket does not exceed the base at this time.
  • the electric push rod When in use, the electric push rod is activated so that the slider moves to the front end of the electric push rod to drive the motor bracket to the retractable component of the backrest, and the leg is driven by the motor bracket
  • the telescopic component and the foot plate telescopic component are unfolded, and the motor bracket moves to the preset position after the leg plate telescopic component and the foot plate telescopic component are fully deployed, and the motor bracket no longer moves.
  • the seat board assembly further includes a seat board horizontal brace and a seat board longitudinal brace placed on both sides.
  • the seat board bracket is fixedly disposed on the lower side of the front of the seat board longitudinal brace.
  • a rotating link is hingedly arranged at the front end, and the rotating link includes a first connecting end, a second connecting end, and a third connecting end, and a middle part of the second connecting end is hingedly engaged with the longitudinal support of the seat board, and the third connection And the front end of the motor bracket are driven to cooperate, a limit protrusion is provided between the second connection end and the third connection end, and a limit rivet is fixedly arranged on the longitudinal support of the seat plate to make the motor
  • the bracket can drive the rotation link to rotate, and the limit protrusion and the limit rivet cooperate to limit the rotation angle of the rotation link.
  • the motor support includes a motor support cross brace and a motor support side brace fixedly arranged on both sides of the motor support brace.
  • the third connecting end of the rotating connecting rod is hingedly fitted, and the slider is fixedly arranged at the middle of the transverse support of the motor support, so that the electric push rod can drive the motor support to move.
  • a motor connecting frame is fixedly arranged in the middle of the rotating rod, and the tail end of the electric push rod is hingedly matched with the motor connecting frame, so that the electric push rod can drive the rotating rod to rotate for easy manipulation.
  • the base includes a base front brace, a base rear brace, and a base side brace placed on both sides.
  • the inner side of the base side brace is provided with a hinged bracket
  • the tilted bracket includes a tilted bracket cross brace and a tilted bracket cross brace
  • Side supports of the inclined brackets on both sides a front end of the side supports of the inclined brackets is provided with a rotatable roller, a middle part of the side supports of the inclined supports is hingedly matched with the hinged bracket, and a limit stop is fixedly arranged at the front end of the hinged bracket , So that after the tilting bracket is rotated to a preset position, the limit stopper can contact the side support of the tilting bracket to limit the tilting bracket.
  • the leg plate telescopic assembly includes a leg plate drive link, a leg plate front support, a first leg plate first link and a second leg plate second link, a parallel leg plate third link and a fourth leg plate Connecting rod, the tail end of the first link of the leg plate is hingedly matched with the second connecting end of the rotating link, and the tail end of the second link of the leg plate is hinged with the upper part of the front end of the longitudinal support of the seat plate Cooperate, the tail end of the third link of the leg plate is hingedly engaged with the front end of the first link of the leg plate, the front end of the third link of the leg plate is hingedly engaged with the front support of the leg plate, the leg plate The tail end of the fourth link is hingedly engaged with the front end of the second link of the leg plate, the front end of the fourth link of the leg plate is hingedly engaged with the front support of the leg plate, and the middle of the second link of the leg plate A leg plate rotation pin is provided, the middle of the third link of the leg plate
  • the footboard telescopic assembly includes a first footboard connecting rod, a second footboard connecting rod, a third footboard connecting rod, a fourth footboard connecting rod, a footboard support, a tail end of the first footboard connecting rod and the legboard
  • the middle part of the third link is hingedly engaged, the front end of the first link of the footboard is hingedly engaged with the tail end of the third link of the footboard, and the front end of the third link of the footboard is hingedly engaged with the support of the footboard.
  • the tail end of the second link of the foot board is fixedly connected with the front support of the leg board, the front end of the second link of the foot board is hingedly fitted with the tail end of the fourth link of the foot board, and the front end of the fourth link of the foot board Hingedly cooperate with the footboard support, the middle part of the second link of the footboard is provided with a footboard rotating pin, and the middle part of the third link of the footboard is articulated with the footboard rotating pin to make the third link of the legboard
  • the first link of the footboard, the third link of the footboard, and the support movement of the footboard can be driven.
  • the backrest telescopic assembly includes a first backrest link, a second backrest link, a third backrest link, and a fourth backrest link, and the bottom end of the first backrest link is hinged to the seat plate longitudinal brace
  • the top end of the first link of the backrest is hingedly engaged with the front end of the second link of the backrest, and the upper end of the rear end of the second link of the backrest is hingedly engaged with the top end of the third link of the backrest.
  • the second link of the backrest is fixedly connected to the tail end of the side support of the motor support, and the bottom end of the third link of the backrest is fixedly connected to the fourth link of the backrest, so that the motor support can drive the The backrest first link, the backrest second link, the backrest third link, and the backrest fourth link move.
  • universal wheels are provided on both sides of the tail end of the base, and cushion blocks are provided on both sides of the front end of the base.
  • the working method of the iron frame for the double-motor-driven auxiliary station recliner includes the following steps:
  • the rotating rod drives the tilting link to move forward in the direction of the leg plate telescopic assembly, the tilting link drives the tilting bracket to rotate, the roller at the front of the tilting bracket descends, and the front of the base is higher than the rear of the base by the roller and the ground, ie the legs
  • the board telescopic component and the foot board telescopic component are higher than the backrest telescopic component, so as to achieve a casual lying position with the head down and the foot high.
  • the electric push rod drives the rotating rod to rotate in the direction of the backrest telescopic assembly
  • the rotating rod drives the tilt link to move in the direction of the backrest telescopic assembly.
  • the lever drives the tilting bracket to rotate and reset the tilting bracket.
  • the roller at the front of the tilting bracket is raised and the front end of the base is lowered.
  • the base and the ground form a support.
  • the tilting bracket rotates until the side support of the tilting bracket comes into contact with the limit stop.
  • the block restricts the tilting bracket, the tilting bracket is stationary, the rotating rod stops rotating, the electric push rod stops moving, the slider moves along the electric push rod to the direction of the leg plate telescopic component, and the slider drives the motor bracket to move toward the leg plate retracting component ,
  • the motor bracket drives the rotation link to rotate in the direction of the leg plate telescopic assembly, and the rotation link drives the leg plate drive link to move backward, and the leg plate drive link drives the first link of the leg plate, the second link of the leg plate, and the leg plate
  • the third link and the fourth link of the leg plate contract, and the third link of the leg plate drives the first link of the foot plate, the second link of the foot plate, the third link of the foot plate, and the fourth of the foot plate
  • E. Station posture Start the electric push rod, so that the electric push rod moves in the direction of the slider, the electric push rod drives the rotating rod to rotate in the direction of the slider, the rotating rod drives the front end of the H-shaped bracket and the connecting rod up, and the rotating rod passes The rotating rod bracket drives the front end of the tilting link up, causing the seat plate assembly to rise, forming a standing posture.
  • the iron frame for the double motor-driven auxiliary station reclining chair of the present invention can be realized by the combination of the tilt link and the electric push rod after the expansion bracket is deployed The front end of the base is lifted, and the user can realize the function of lowering the head and height when lying down, which enriches the function of the iron frame;
  • the setting of the slider-type electric push rod makes the electric push rod can rotate when the motor bracket is locked The lever rotates to realize the continuous operation of the expansion of the telescopic bracket and the lifting of the front end of the base.
  • the structure is simple and easy to operate; (3) the setting of the roller makes the front end of the tilt bracket slidingly cooperate with the ground to reduce frictional resistance; (4) has three connections The rotating connecting rod at the end makes it possible to realize three operating modes of a flat lying posture, a casual lying posture, and a standing posture with only one electric push rod.
  • the structure is simple and the functions are rich.
  • FIG. 1 is a three-dimensional structural schematic diagram of an iron frame for a double-motor-driven auxiliary station recliner of the present invention
  • FIG. 2 is a schematic diagram of the explosion structure of the iron frame for the reclining chair of the double-motor-driven auxiliary station of the present invention
  • Figure 3 is a schematic view of the stereoscopic structure of the telescopic support
  • FIG. 4 is a schematic diagram of the assembly structure of the H-shaped bracket, the base, the tilt bracket, the motor bracket, the transmission mechanism, the tilt link, and the connecting rod;
  • FIG. 5 is a schematic diagram of the assembly structure of the H-shaped bracket, the motor, and the tilt link;
  • FIG. 6 is a schematic diagram of the assembly structure of the base, the inclined bracket, and the connecting rod;
  • FIG. 7 is a schematic diagram of the structure of the iron frame for a double-motor-driven auxiliary station reclining chair of the present invention in a relaxed lying state;
  • FIG. 8 is a schematic structural view of the iron frame for a reclining chair driven by a dual-motor drive station of the present invention in a sitting position;
  • FIG. 9 is a schematic diagram of the structure of the iron frame for the reclining chair of the double-motor-driven auxiliary station of the present invention in the state of the auxiliary station;
  • FIG. 10 is a three-dimensional structure schematic diagram of an iron stand for a double-motor-driven auxiliary station recliner according to the present invention.
  • FIG. 11 is a partial enlarged view of the area A in FIG. 10;
  • FIG. 12 is a schematic view of the structure of the rotating link.
  • Motor bracket 1 motor bracket side brace 11, motor bracket cross brace 12, motor hinge bracket 13,
  • Telescopic bracket 2 front support 2-1,
  • Rotating connecting rod 2-2 first connecting end 2-2-1, second connecting end 2-2-2, third connecting end 2-2-3, rotating pin mounting hole 2-2-4, curved portion 2-2-5, limit protrusion 2-2-6,
  • Leg plate driving link 2-3 leg plate first link 2-4, leg plate second link 2-5, leg plate third link 2-6, leg plate fourth link 2-7, leg Front support 2-8,
  • Base 5 base side support 51, base front support 52, base rear support 53, universal caster 54, pad 55, base bracket 56, hinge bracket 57, limit stop 58,
  • Rotating rod 6 motor connecting frame 61, rotating rod bracket 62,
  • the iron frame for a double-motor-driven auxiliary station recliner of this embodiment uses a power retractable mechanism as a slider-type electric push rod 9, which includes a transmission fit
  • the electric push rod 91 and the slider 92 also include a motor bracket 1 for mounting the slider 92, an extendable telescopic bracket 2, a rack assembly, a rotatable tilt bracket 8 and a pair of tilt links 7, when used, and
  • the base 5 includes a base front support 52, a base rear support 53, and two base side supports 51 placed on both sides.
  • the two ends of the base front support 52 are welded to the front ends of the two base side supports 51, respectively.
  • the two ends of the base back support 53 are welded and fixed to the rear of the two base side supports 51 to form a rectangular base frame, the bottom of the two ends of the base front support 52 is provided with cushion blocks 55, and the tail ends of the two base longitudinal supports 51 are respectively provided with universal
  • the caster 54 allows the base 5 to be in contact with the ground by the universal caster 54 and the pad 55; the inside of the middle of the two base side supports 51 is provided with hinge brackets 57, and the two ends of the base rear support 53 are provided with base supports 56 extending upward, respectively.
  • the tilting bracket 8 includes a tilting bracket cross brace 82 and two tilting bracket side braces 81 placed on both sides of the tilting bracket cross brace 82.
  • the front end of 81 is welded and fixed to form a U-shaped inclined bracket 8.
  • the rear ends of the two inclined bracket side stays 81 are upturned.
  • the front ends of the two inclined bracket side stays 81 are provided with rotatable rollers 83.
  • the outer side of the middle part is hingedly engaged with the hinge bracket 57 respectively, and the front end of the hinge bracket 57 is fixedly provided with a limit stop 58 so that after the tilt bracket 8 is rotated to a preset position, the limit stop 58 can be contacted with the tilt bracket side stay 81, To define the rotation angle of the tilt bracket 8.
  • the H-shaped bracket 4 includes an H-shaped bracket cross brace 42 and two H-shaped bracket side braces 41.
  • the middle parts of the two H-shaped bracket braces 41 are welded and fixed to both ends of the H-shaped bracket cross brace 42.
  • the front end of the H-shaped bracket 4 is provided with a rotatable rotating rod 6, two ends of the rotating rod 6 are respectively provided with a rotating rod bracket 62, one end of the tilt link 7 is hingedly matched with the rotating rod bracket 62, and the other end of the tilt link 7 is
  • the upturned tail end of the tilting bracket side support 81 is hingedly matched to drive the tilting bracket 8 to rotate when the rotating rod 6 rotates;
  • the motor connecting frame 61 is fixedly arranged in the middle of the rotating rod 6 and the tail end of the electric push rod 91 is connected to the motor connecting frame 61 is articulated, the front end of the electric push rod 9 is set toward the backrest telescopic assembly, so that the electric push rod 91 can drive the rotating rod 6 to rotate.
  • the motor support 1 includes a motor support cross 12 and two motor support side supports 11 fixed on both sides of the motor support cross 12.
  • the two ends of the motor support cross 12 are respectively connected to the two motor support side supports
  • the inner side of the middle of 11 is welded and fixed, and the slider 92 of the slider-type electric push rod 9 is fixedly arranged at the middle of the motor support crossbar 12, and the slider 92 is in transmission cooperation with the electric push rod 91 so that the electric push rod 91 can drive the motor bracket 1 Move.
  • the telescopic support 2 includes a seat plate component, a leg plate telescopic component, a foot plate telescopic component, and a backrest telescopic component, wherein a retractable backrest telescopic component is provided on both sides of the rear end of the seat plate component, and two front ends of the seat plate component
  • the sides are respectively provided with telescopic leg plate telescopic components, and the front ends of the leg plate telescopic components are provided with telescopic foot plate telescopic components; the rear ends of the two sides of the motor support 1 are in driving cooperation with the backrest telescopic components, and the front ends of both sides of the motor support 1 and the leg plates
  • the telescopic components are driven to cooperate so that when the motor bracket 1 moves, the backrest telescopic components and the leg plate telescopic components can be driven to contract.
  • the sitting board assembly includes a sitting board horizontal support 2-21, a sitting board longitudinal support 2-20 on both sides, two ends of the sitting board horizontal support 2-21 and two sitting board longitudinal supports 2-
  • the front part of 20 is welded and fixed, and the front ends of the two seat plate longitudinal supports 2-20 are respectively fixed downward to set the seat plate brackets 2-22, the front parts of the two H-shaped bracket side supports 41 of the H-shaped bracket 4 are respectively connected to the seat plate bracket 2
  • the bottom end of -22 is hingedly fitted.
  • the top of each base bracket 56 is hingedly fitted with the top of the corresponding seat plate bracket 2-22 via the connecting rod 3, that is, the front end of the connecting rod 3 is hingedly fitted with the top of the seat plate bracket 2-22.
  • the rear end of the connecting rod 3 is hingedly fitted with the top of the base bracket 56, so that the seat plate bracket 2-22, the H-shaped bracket side support 41, the base bracket 56, and the connecting rod 3 form a quadrilateral mechanism.
  • each motor support side support 11 is fixedly provided with a seat plate front support 2-1, as shown in FIGS. 10 to 12, the front end of each seat plate longitudinal support 2-20 is hingedly provided with a rotatable rotation link 2-2,
  • the lever 2-2 includes a first connection end 2-2-1, a second connection end 2-2-2, a third connection end 2-2-3, a seat plate front support 2-1 and a rotation link 2-2
  • the three connecting ends 2-2-3 are hinged and matched, and the rotating pins 2-25 are fixedly arranged on the longitudinal supports 2-20 of the seat plate, and the middle of the second connecting end 2-2-2 is provided with a rotation adapted to the rotating pins 2-25
  • the pin mounting hole 2-2-4 so that the rotating link 2-2 can be rotatably provided on the seat board longitudinal support 2-20, and the third connecting end 2-2-3 is hingedly engaged with the seat board front support 2-1, so that The front end of the side bracket 11 of the motor support is driven to cooperate with the rotating connecting rod 2-2, and a limit protrusion
  • each leg plate telescopic assembly includes a leg plate driving link 2-3, a leg plate front support 2-8, a parallel leg plate first link 2-4 and a leg plate second link 2-5 3.
  • the third link 2-6 of the leg plate and the fourth link 2-7 of the leg plate are provided in parallel, and the rear end of the second link 2-5 of the leg plate is hingedly matched with the upper part of the front end of the longitudinal support 2-20 of the seat plate.
  • the tail end of the first link 2-4 of the leg plate is hinge-fitted with the second connection end 2-2-2 of the rotation link 2-2, and the tail end of the third link 2-6 of the leg plate is first connected with the leg plate
  • the front end of the rod 2-4 is hingedly matched, the front end of the third link 2-6 of the leg plate is hingedly matched with the front support 2-8 of the leg plate, the rear end of the fourth link 2-7 of the leg plate is matched with the second link 2 of the leg plate
  • the front end of -5 is hinged, the front end of the fourth link 2-7 of the leg plate is hinged to the front support 2-8 of the leg plate, and the middle of the second link 2-5 of the leg plate is provided with a leg plate rotation pin 2-23,
  • the middle part of the third link 2-6 is hingedly engaged with the leg plate rotation pin 2-23, and the tail end of the leg plate transmission link 2-3 is hingedly engaged with the first connection end 2-2-1 of the rotation link 2-2 ,
  • Each footboard telescopic assembly includes footboard first link 2-9, footboard second link 2-10, footboard third link 2-11, footboard fourth link 2-12, footboard support 2-13, footboard first
  • the tail end of the connecting rod 2-9 is hingedly engaged with the middle of the third link 2-6 of the leg plate
  • the front end of the first link 2-9 of the foot plate is hingedly engaged with the tail end of the third link 2-11 of the foot plate
  • the foot plate is
  • the front end of the three-link 2-11 is hingedly matched with the foot support 2-13
  • the rear end of the second link 2-10 of the foot is fixedly connected to the front support 2-8 of the leg
  • the front end of the second link 2-10 of the foot is connected to the foot
  • the rear end of the fourth link 2-12 is hingedly engaged
  • the front end of the fourth link 2-12 of the foot plate is hingedly engaged with the foot plate support 2-13
  • the middle portion of the second link 2-10 of the foot plate is provided with a foot plate rotation pin 2-24
  • Backrest telescopic assembly includes backrest first link 2-14, backrest second link 2-15, backrest third link 2-16, backrest fourth link 2-17, bottom of backrest first link 2-14
  • the end is hingedly fitted with the bottom of the tail end of the seatboard longitudinal support 2-20
  • the top end of the first backrest link 2-14 is hingedly fitted with the front end of the second backrest link 2-15
  • the rear end of the second backrest link 2-15 The upper part is hingedly engaged with the top end of the third link 2-16 of the backrest
  • the second link 2-15 of the backrest is fixedly connected to the tail end of the side bracket 11 of the motor bracket
  • the bottom end of the third link 2-16 of the backrest is connected with the backrest first
  • the four connecting rods 2-17 are fixedly connected so that the motor support 1 can drive the first backrest connecting rod 2-14, the second backrest connecting rod 2-15, the third backrest connecting rod 2-16, and the fourth backrest connecting rod 2-17 moves.
  • the slider 92 is placed in the middle of the electric push rod 91 during assembly. At this time, the front end of the tilt bracket 8 does not exceed the setting of the base 5.
  • the electric push rod 91 is activated so that the slider 92 moves toward the electric push rod 91
  • the motor bracket 1 drives the leg plate telescopic component and the foot plate telescopic component to expand, and the motor bracket 1 moves to the preset position after the leg plate telescopic component and the foot plate telescopic component are fully deployed, and
  • the motor support 1 no longer moves, and the electric push rod 91 continues to be activated to move the electric push rod 91 relative to the slider 92, that is, the electric push rod 91 moves in the direction of the leg plate telescopic assembly, driving the rotating rod 6 to rotate forward, and the rotating rod 6 drives
  • the tilt link 7 moves forward, the tilt link 7 drives the tilt bracket 8 to rotate, and the tilt bracket 8 supports the ground,
  • the arc-shaped portion 2-2-5 is provided between the rotation link limit protrusion 2-2-6 and the second connecting end 2-2-2, and the limit post 2 is provided on the seat plate cross 2-21 -26, when the rotating link 2-2 rotates, rotating friction is formed between the arc-shaped part 2-2-5 and the limit post 2-26 to control the rotating angle of the rotating link 2-2.
  • -2 Perform rotation limit.
  • a motor hinge bracket 13 is also provided on the motor support cross brace 12, a backrest cross brace 2-18 and a backrest cross brace 2-18 are fixedly arranged between the two backrest fourth links 2-17
  • the backrest cross brace bracket 2-27 is provided in the middle of the machine, and a retractable second power mechanism (not shown) is provided between the motor hinge bracket 13 and the backrest cross brace bracket 2-27, which is used to separately drive the expansion and contraction of the backrest telescopic assembly , To ensure the expansion and contraction efficiency of the backrest assembly, to achieve dual motor drive.
  • the working method of the iron frame for the double-motor-driven auxiliary station recliner includes the following steps:
  • the ground forms a support so that the front end of the base 5 is higher than the rear end of the base 5, that is, the leg board telescopic components and the foot board telescopic components are higher than the backrest telescopic components, so as to achieve a head-to-foot-relief posture, as shown in FIG. 7.
  • the fourth link of the leg plate 2-7 contracts, and the third link of the leg plate 2-6 drives the foot plate first
  • the connecting rod 2-9, the second connecting rod 2-10, the third connecting rod 2-11, the fourth connecting rod 2-12, and the supporting plate 2-13 are retracted to restore the sitting posture.

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Abstract

一种双电机驱动助站躺椅用铁架及其工作方法，双电机驱动助站躺椅用铁架包括滑块式电动推杆（9）、电机支架（1）、伸缩支架（2）、H型支架（4）、底座（5）、倾斜支架（8）、连接杆（3）、倾斜连杆（7），通过设置倾斜支架（8），使得伸缩支架（2）展开后，由倾斜连杆（7）、电动推杆（9）相配合可实现底座（5）前端的抬升，使用者平躺后可实现头低脚高的功能，丰富了铁架的功能，滑块式电动推杆（9）的设置，使得电机支架（1）锁定时，电动推杆（9）可驱动旋转杆（6）转动，实现伸缩支架（2）展开、底座（5）前端抬升的连续操作。

Description

一种双电机驱动助站躺椅用铁架及其工作方法 技术领域
本发明涉及沙发配件设备技术领域，特别是一种双电机驱动助站躺椅用铁架及其工作方法。
背景技术
躺椅已是许多家庭必须的家具，随着人们生活水平的不断提高，电动躺椅沙发已经逐步进入普通百姓家庭。电动躺椅沙发就是一个带电的可以自动躺卧的沙发，表面一般都是采用高级真牛皮覆盖，中间采用高档海绵填充，主体结构由可伸缩设置的躺椅铁架进行支撑，具有时尚型和美观性，广泛应用在家庭、公司等场所。电动沙发躺椅的出现，可以说是开拓了休闲行业和家具行业的新篇章，电动沙发躺椅具有家具的实用性，也具有休闲行业的休闲型，高科技自动化的设计，能够将这三者完美的结合到一起。
现有的躺椅铁架，一般具备平躺、翘腿、正坐等姿势，具备上述功能的躺椅铁架很多，例如中国专利授权公告号CN202892335U、CN203538831U、CN203314481U等等，上述专利文献中记载的躺椅铁架，不具备辅助站立的功能，对于一些老年人和残障人士来说，使用时存在很多不便，为改进上述缺陷，中国授权专利公告号CN203986974U公开了一种双电机驱动躺椅机构，包括：底座，所述底座上设置有第一驱动头、第二驱动头、尾部调节支架总成和中部调节支架总成，第一驱动头驱动尾部调节支架使其呈垂直状态、平躺状态或者倾斜状态，所述中部调节支架总成上配合连接有前部调节连杆部，所述第二驱动头驱动中部调节支架总成升降使其呈直立状态或者平躺状态，并且驱动前部调节连杆部呈打开状态或者收缩状态，所述前部调节连杆部在收缩状态时被尾部调节支架总成锁紧，在打开状态是被尾部调节支架总成释放。该双电机驱动躺椅机构能够实现躺椅搁脚板的伸展和收缩，躺椅架的抬升和下降，靠背的倾斜和竖起多种功能。对于一些特殊的使用者，需要在躺椅上实现头低脚高的平躺状态，以使其脚部血液加快流向头部，或实现相应其他目的，现有的躺椅结构，并不能实现上述功能。
发明内容
本发明要解决的技术问题是提供一种结构简单、可实现头低脚高功能的双电 机驱动助站躺椅用铁架及其工作方法。
为解决上述技术问题，本发明提供的双电机驱动助站躺椅用铁架，包括伸缩动力机构、伸缩支架、底座，还包括电机支架、倾斜支架、上架组件、倾斜连杆，所述倾斜支架两侧的中部与所述底座两侧的中部绞接配合，所述倾斜支架的尾端上翘设置；所述上架组件的前端设置可转动的旋转杆，旋转杆的两端分别设置旋转杆支架，所述倾斜连杆的一端与所述旋转杆支架铰接配合，所述倾斜连杆的另一端与所述倾斜支架的尾端铰接配合，以使所述旋转杆转动时可驱动所述倾斜支架移动；所述电机支架置于所述上架组件的上方，所述伸缩动力机构的尾端与所述旋转杆较配合，所述伸缩动力机构的前端与所述电机支架传动配合，所述电机支架的两端分别与所述伸缩支架传动配合，以使所述动力伸缩机构伸缩时，可带动电机支架、上架组件移动，电机支架驱动所述伸缩支架伸缩。
进一步，所述伸缩支架包括坐板组件、腿板伸缩组件、脚板伸缩组件、靠背伸缩组件，所述坐板组件尾端的两侧分别设置可伸缩的靠背伸缩组件，所述坐板组件前端的两侧分别设置可伸缩的腿板伸缩组件，所述腿板伸缩组件的前端设置可伸缩的脚板伸缩组件；所述电机支架两侧的尾端与所述靠背伸缩组件传动配合，所述电机支架两侧的前端与所述腿板伸缩组件传动配合，以使所述电机支架移动时可驱动所述靠背伸缩组件、腿板伸缩组件伸缩。
进一步，所述上架组件包括H型支架、连接杆，所述坐板组件的前端两侧向下设置坐板支架，所述坐板支架的底端与所述H型支架的前部铰接配合，所述底座两侧的尾端向上设置底座支架，所述H型支架两侧的尾端与所述底座支架的底部铰接配合，所述连接杆的前端与所述坐板支架的中部铰接配合，所述连接杆的尾端与所述底座支架的顶部铰接配合；所述动力伸缩机构为滑块式电动推杆，滑块式电动推杆包括传动配合的电动推杆和滑块，所述电动推杆的尾端与所述旋转杆的中部铰接配合，所述电动推杆的前端朝向靠背伸缩组件设置，所述滑块固定设置在所述电机支架上；装配时滑块置于电动推杆的中部，此时倾斜支架的前端不超过所述底座，使用时，启动电动推杆使得滑块向电动推杆的前端移动时带动电机支架向靠背伸缩组件移动，由电机支架驱动腿板伸缩组件、脚板伸缩组件展开，电机支架移动至预设位置后腿板伸缩组件、脚板伸缩组件完全展开，且电机支架不再移动，继续启动电动推杆使得电动推杆相对于滑块移动，即电动推杆向 腿板伸缩组件方向移动，带动旋转杆正向转动，旋转杆带动倾斜连杆前移，倾斜连杆带动倾斜支架转动，由倾斜支架对地面进行支撑，使得底座的前端高于底座的后端，即腿板伸缩组件、脚板伸缩组件高于靠背伸缩组件。
进一步，所述坐板组件还包括坐板横撑、置于两侧的坐板纵撑，所述坐板支架固定设置在所述坐板纵撑前部的下侧，各坐板纵撑的前端铰接设置转动连杆，所述转动连杆包括第一连接端、第二连接端、第三连接端，所述第二连接端的中部与所述坐板纵撑铰接配合，所述第三连接端与所述电机支架的前端传动配合，所述第二连接端与所述第三连接端之间设置限位凸起，所述坐板纵撑上固定设置限位铆钉，以使所述电机支架可驱动所述转动连杆转动，且由限位凸起和限位铆钉相配合以限制转动连杆的转动角度。
进一步，所述电机支架包括电机支架横撑和固定设置于所述电机支架横撑两侧的电机支架侧撑，所述电机支架侧撑的前端固定设置坐板前撑，所述坐板前撑与所述转动连杆的第三连接端铰接配合，所述滑块固定设置在所述电机支架横撑的中部，以使所述电动推杆可驱动所述电机支架移动。
进一步，所述旋转杆的中部固定设置电机连接架，所述电动推杆的尾端与所述电机连接架铰接配合，以使所述电动推杆可带动所述旋转杆转动，便于操控。
进一步，所述底座包括底座前撑、底座后撑和置于两侧的底座侧撑，所述底座侧撑的内侧设置铰接支架，所述倾斜支架包括倾斜支架横撑和置于倾斜支架横撑两侧的倾斜支架侧撑，所述倾斜支架侧撑的前端设置可转动的滚轮，所述倾斜支架侧撑的中部与所述铰接支架铰接配合，所述铰接支架的前端固定设置限位挡块，以使所述倾斜支架转动至预设位置后，可由限位挡块与倾斜支架侧撑接触，对倾斜支架进行限位。
进一步，所述腿板伸缩组件包括腿板传动连杆、腿板前撑、平行设置的腿板第一连杆和腿板第二连杆、平行设置的腿板第三连杆和腿板第四连杆，所述腿板第一连杆的尾端与所述转动连杆的第二连接端铰接配合，所述腿板第二连杆的尾端与所述坐板纵撑前端的上部铰接配合，所述腿板第三连杆的尾端与所述腿板第一连杆的前端铰接配合，所述腿板第三连杆的前端与所述腿板前撑铰接配合，所述腿板第四连杆的尾端与所述腿板第二连杆的前端铰接配合，所述腿板第四连杆的前端与所述腿板前撑铰接配合，所述腿板第二连杆的中部设置腿板转动销，所 述腿板第三连杆的中部与所述腿板转动销铰接配合，所述腿板传动连杆的尾端与所述转动连杆的第一连接端铰接配合，所述腿板传动连杆的前端与所述腿板转动销铰接配合，以使所述转动连杆可带动所述腿板传动连杆、腿板转动销移动，实现腿板第一连杆和腿板第二连杆、腿板第三连杆和腿板第四连杆的变形伸缩。
进一步，所述脚板伸缩组件包括脚板第一连杆、脚板第二连杆、脚板第三连杆、脚板第四连杆、脚板支撑，所述脚板第一连杆的尾端与所述腿板第三连杆的中部铰接配合，所述脚板第一连杆的前端与所述脚板第三连杆的尾端铰接配合，所述脚板第三连杆的前端与所述脚板支撑铰接配合，所述脚板第二连杆的尾端与所述腿板前撑固定相连，所述脚板第二连杆的前端与所述脚板第四连杆的尾端铰接配合，所述脚板第四连杆的前端与所述脚板支撑铰接配合，所述脚板第二连杆的中部设置脚板转动销，所述脚板第三连杆的中部与所述脚板转动销铰接配合，以使所述腿板第三连杆可驱动所述脚板第一连杆、脚板第三连杆、脚板支撑移动。
进一步，所述靠背伸缩组件包括靠背第一连杆、靠背第二连杆、靠背第三连杆、靠背第四连杆，所述靠背第一连杆的底端与所述坐板纵撑铰接配合，所述靠背第一连杆的顶端与所述靠背第二连杆的前端铰接配合，所述靠背第二连杆的尾端上部与所述靠背第三连杆的顶端铰接配合，所述靠背第二连杆与所述电机支架侧撑的尾端固定相连，所述靠背第三连杆的底端与所述靠背第四连杆固定相连，以使所述电机支架移动时可驱动所述靠背第一连杆、靠背第二连杆、靠背第三连杆、靠背第四连杆移动。
进一步，所述底座尾端的两侧设置万向轮，所述底座前端的两侧设置垫块。
上述双电机驱动助站躺椅用铁架的工作方法，包括如下步骤：
A、正坐姿势：滑块置于电动推杆的中部，倾斜支架的前端与所述底座的底端齐平，底座、坐板组件处于水平状态，腿板伸缩组件、脚板伸缩组件处于收缩状态，可实现正坐。
B、平躺姿势：启动电动推杆使得滑块向电动推杆的前端移动，滑块带动电机支架向靠背伸缩组件方向移动，电机支架带动转动连杆向靠背伸缩组件方向转动，转动连杆带动腿板传动连杆向前移动，腿板传动连杆驱动腿板第一连杆、腿板第二连杆、腿板第三连杆、腿板第四连杆展开，腿板第三连杆驱动脚板第一连杆、脚板第二连杆、脚板第三连杆、脚板第四连杆、脚板支撑展开，转动连杆转 动至限位凸起与限位铆钉卡接时，由限位铆钉对转动连杆进行限位，电机支架静止，腿板伸缩组件、脚板伸缩组件处于展开状态，可实现平躺。
C、休闲躺姿：继续启动电动推杆，由于转动连杆无法转动、电机支架锁定，滑块带动电动推杆向腿板伸缩组件方向移动，电动推杆带动旋转杆向腿板伸缩组件方向转动，旋转杆带动倾斜连杆向腿板伸缩组件方向前移，倾斜连杆带动倾斜支架转动，倾斜支架前端的滚轮下降，由滚轮与地面形成支撑使得底座的前端高于底座的后端，即腿板伸缩组件、脚板伸缩组件高于靠背伸缩组件，实现头低脚高的休闲躺姿。
D、恢复正坐姿势：启动电动推杆使得滑块复位至电动推杆的中部，电动推杆带动旋转杆向靠背伸缩组件方向转动，旋转杆带动倾斜连杆向靠背伸缩组件方向移动，倾斜连杆带动倾斜支架转动使得倾斜支架复位，倾斜支架前端的滚轮抬起、底座的前端下降，由底座与地面形成支撑，倾斜支架转动至倾斜支架侧撑与限位挡块接触后，由限位挡块对倾斜支架进行限位，倾斜支架静止，旋转杆停止转动、电动推杆停止移动，滑块沿电动推杆向腿板伸缩组件方向移动，滑块带动电机支架向靠腿板缩组件方向移动，电机支架带动转动连杆向腿板伸缩组件方向转动，转动连杆带动腿板传动连杆向后移动，腿板传动连杆驱动腿板第一连杆、腿板第二连杆、腿板第三连杆、腿板第四连杆收缩，腿板第三连杆驱动脚板第一连杆、脚板第二连杆、脚板第三连杆、脚板第四连杆、脚板支撑收缩，恢复正坐姿势。
E、助站姿势：启动电动推杆，使得电动推杆向滑块方向移动，电动推杆带动旋转杆向滑块方向转动，旋转杆带动H型支架、连接杆的前端上翘，旋转杆通过旋转杆支架带动倾斜连杆的前端上翘，使得坐板组件上升，形成助站姿势。
发明的技术效果：(1)本发明的双电机驱动助站躺椅用铁架，相对于现有技术，通过设置倾斜支架，使得伸缩支架展开后，由倾斜连杆、电动推杆相配合可实现底座前端的抬升，使用者平躺后可实现头低脚高的功能，丰富了铁架的功能；(2)滑块式电动推杆的设置，使得电机支架锁定时，电动推杆可驱动旋转杆转动，实现伸缩支架展开、底座前端抬升的连续操作，结构简单，易于操作；(3)滚轮的设置使得倾斜支架的前端可与地面滑动配合，以减少摩擦阻力；(4)具有三个连接端的转动连杆，使得仅采用一个电动推杆即可实现平躺坐姿、休闲躺姿、 助站姿势三种操作模式，结构简单，功能丰富。
附图说明
下面结合说明书附图对本发明作进一步详细说明：
图1是本发明双电机驱动助站躺椅用铁架的立体结构示意图；
图2是本发明双电机驱动助站躺椅用铁架的***结构示意图；
图3是伸缩支架的立体结构示意图；
图4是H型支架、底座、倾斜支架、电机支架、传动机构、倾斜连杆、连接杆的装配结构示意图；
图5是H型支架、电机、倾斜连杆的装配结构示意图；
图6是底座、倾斜支架、连接杆的装配结构示意图；
图7是本发明双电机驱动助站躺椅用铁架处于休闲躺姿状态的结构示意图；
图8是本发明双电机驱动助站躺椅用铁架处于坐姿状态的结构示意图；
图9是本发明双电机驱动助站躺椅用铁架处于助站状态的结构示意图；
图10是本发明双电机驱动助站躺椅用铁架的立体结构示意图；
图11是图10中的A区域的局部放大图；
图12是转动连杆的结构示意图。
图中：
电机支架1，电机支架侧撑11，电机支架横撑12，电机铰接支架13，
伸缩支架2，坐板前撑2-1，
转动连杆2-2，第一连接端2-2-1，第二连接端2-2-2，第三连接端2-2-3，转动销安装孔2-2-4，弧形部2-2-5，限位凸起2-2-6，
腿板传动连杆2-3，腿板第一连杆2-4，腿板第二连杆2-5，腿板第三连杆2-6，腿板第四连杆2-7，腿板前撑2-8，
脚板第一连杆2-9，脚板第二连杆2-10，脚板第三连杆2-11，脚板第四连杆2-12，脚板支撑2-13，
靠背第一连杆2-14，靠背第二连杆2-15，靠背第三连杆2-16，靠背第四连杆2-17，靠背横撑2-18，
限位铆钉2-19，坐板纵撑2-20，坐板横撑2-21，坐板支架2-22，
腿板转动销2-23，脚板转动销2-24，转动销2-25，限位柱2-26，靠背横撑支架2-27，
连接杆3，H型支架4，H型支架侧撑41，H型支架横撑42，
底座5，底座侧撑51，底座前撑52，底座后撑53，万向脚轮54，垫块55，底座支架56，铰接支架57，限位挡块58，
旋转杆6，电机连接架61，旋转杆支架62，
倾斜连杆7，倾斜支架8，倾斜支架侧撑81，倾斜支架横撑82，滚轮83，滑块式电动推杆9，电动推杆91，滑块92。
具体实施方式
实施例1如图1至图2所示，本实施例的双电机驱动助站躺椅用铁架，采用的动力伸缩机构为滑块式电动推杆9，滑块式电动推杆9包括传动配合的电动推杆91和滑块92，还包括用于安装滑块92的电机支架1、可伸展的伸缩支架2、上架组件、可转动的倾斜支架8和一对倾斜连杆7、使用时和地面接触的底座5，其中上架组件包括H型支架4、一对连接杆3。
如图6所示，底座5包括底座前撑52、底座后撑53和置于两侧的2根底座侧撑51，底座前撑52的两端分别与两底座侧撑51的前端焊接固定，底座后撑53的两端与两底座侧撑51的后部焊接固定，以形成矩形的底座框架，底座前撑52两端的底部设置垫块55，两底座纵撑51的尾端分别设置万向脚轮54，使得底座5可由万向脚轮54和垫块55与地面接触；两底座侧撑51中部的内侧设置铰接支架57，底座后撑53的两端分别设置向上延伸的底座支架56。
如图6所示，倾斜支架8包括倾斜支架横撑82和置于倾斜支架横撑82两侧的2根倾斜支架侧撑81，倾斜支架横撑82的两端分别与2根倾斜支架侧撑81的前端焊接固定，以形成U型的倾斜支架8，两倾斜支架侧撑81的尾端上翘设置，两倾斜支架侧撑81的前端设置可转动的滚轮83，各倾斜支架侧撑81的中部外侧分别与铰接支架57铰接配合，且铰接支架57的前端固定设置限位挡块58，以使倾斜支架8转动至预设位置后，可由限位挡块58与倾斜支架侧撑81接触，以限定倾斜支架8的转动角度。
如图5所示，H型支架4包括H型支架横撑42和2根H型支架侧撑41，2根H型支架侧撑41的中部分别与H型支架横撑42的两端焊接固定，H型支架4的前端设置可转动的旋转杆6，旋转杆6的两端分别设置旋转杆支架62，倾斜连杆7的一端与旋转杆支架62铰接配合，倾斜连杆7的另一端与倾斜支架侧撑81的上翘尾端铰接配合，以使旋转杆6转动时可驱动倾斜支架8转动；旋转杆6 的中部固定设置电机连接架61，电动推杆91的尾端与电机连接架61铰接配合，电动推杆9的前端朝向靠背伸缩组件设置，以使电动推杆91可带动旋转杆6转动。
如图2所示，电机支架1包括电机支架横撑12和固定设置于电机支架横撑12两侧的2根电机支架侧撑11，电机支架横撑12的两端分别与两电机支架侧撑11的中部内侧焊接固定，滑块式电动推杆9的滑块92固定设置在电机支架横撑12的中部，滑块92与电动推杆91传动配合，以使电动推杆91可驱动电机支架1移动。
如图3所示，伸缩支架2包括坐板组件、腿板伸缩组件、脚板伸缩组件、靠背伸缩组件，其中坐板组件尾端的两侧分别设置可伸缩的靠背伸缩组件，坐板组件前端的两侧分别设置可伸缩的腿板伸缩组件，腿板伸缩组件的前端设置可伸缩的脚板伸缩组件；电机支架1两侧的尾端与靠背伸缩组件传动配合，电机支架1两侧的前端与腿板伸缩组件传动配合，以使电机支架1移动时可驱动靠背伸缩组件、腿板伸缩组件伸缩。
具体的，如图3，坐板组件包括坐板横撑2-21、置于两侧的坐板纵撑2-20，坐板横撑2-21的两端与两坐板纵撑2-20的前部焊接固定，两坐板纵撑2-20的前端分别向下固定设置坐板支架2-22，H型支架4的两H型支架侧撑41的前部分别与坐板支架2-22的底端铰接配合，各底座支架56的顶部分别经连接杆3与相应坐板支架2-22的顶部铰接配合，即连接杆3的前端与坐板支架2-22的顶部铰接配合，连接杆3的尾端与底座支架56的顶部铰接配合，以使坐板支架2-22、H型支架侧撑41、底座支架56、连接杆3形成四边形机构。
各电机支架侧撑11的前端固定设置坐板前撑2-1，如图10至图12所示，各坐板纵撑2-20的前端铰接设置可转动的转动连杆2-2，转动连杆2-2包括第一连接端2-2-1、第二连接端2-2-2、第三连接端2-2-3，坐板前撑2-1与转动连杆2-2的第三连接端2-2-3铰接配合，坐板纵撑2-20上固定设置转动销2-25，第二连接端2-2-2的中部设置与转动销2-25相适配的转动销安装孔2-2-4，以使转动连杆2-2可转动设置在坐板纵撑2-20上，第三连接端2-2-3与坐板前撑2-1铰接配合，使得电机支架侧撑11的前端与转动连杆2-2传动配合，第二连接端2-2-2与第三连接端2-2-3之间设置限位凸起2-2-6，坐板纵撑2-20上固 定设置限位铆钉2-19，以使电机支架1可驱动转动连杆2-2转动，且由限位凸起2-2-6和限位铆钉2-19相配合以限制转动连杆2-2的转动角度。
如图2所示，各腿板伸缩组件包括腿板传动连杆2-3、腿板前撑2-8、平行设置的腿板第一连杆2-4和腿板第二连杆2-5、平行设置的腿板第三连杆2-6和腿板第四连杆2-7，腿板第二连杆2-5的尾端与坐板纵撑2-20前端的上部铰接配合，腿板第一连杆2-4的尾端与转动连杆2-2的第二连接端2-2-2铰接配合，腿板第三连杆2-6的尾端与腿板第一连杆2-4的前端铰接配合，腿板第三连杆2-6的前端与腿板前撑2-8铰接配合，腿板第四连杆2-7的尾端与腿板第二连杆2-5的前端铰接配合，腿板第四连杆2-7的前端与腿板前撑2-8铰接配合，腿板第二连杆2-5的中部设置腿板转动销2-23，腿板第三连杆2-6的中部与腿板转动销2-23铰接配合，腿板传动连杆2-3的尾端与转动连杆2-2的第一连接端2-2-1铰接配合，腿板传动连杆2-3的前端与腿板转动销2-23铰接配合，以使转动连杆2-2可带动腿板传动连杆2-3、腿板转动销2-23移动，实现腿板第一连杆2-4和腿板第二连杆2-5、腿板第三连杆2-6和腿板第四连杆2-7的变形伸缩。
各脚板伸缩组件包括脚板第一连杆2-9、脚板第二连杆2-10、脚板第三连杆2-11、脚板第四连杆2-12、脚板支撑2-13，脚板第一连杆2-9的尾端与腿板第三连杆2-6的中部铰接配合，脚板第一连杆2-9的前端与脚板第三连杆2-11的尾端铰接配合，脚板第三连杆2-11的前端与脚板支撑2-13铰接配合，脚板第二连杆2-10的尾端与腿板前撑2-8固定相连，脚板第二连杆2-10的前端与脚板第四连杆2-12的尾端铰接配合，脚板第四连杆2-12的前端与脚板支撑2-13铰接配合，脚板第二连杆2-10的中部设置脚板转动销2-24，脚板第三连杆2-11的中部与脚板转动销2-24铰接配合，以使腿板第三连杆2-6可驱动脚板第一连杆2-9、脚板第三连杆2-11、脚板支撑2-13移动。
靠背伸缩组件包括靠背第一连杆2-14、靠背第二连杆2-15、靠背第三连杆2-16、靠背第四连杆2-17，靠背第一连杆2-14的底端与坐板纵撑2-20尾端的底部铰接配合，靠背第一连杆2-14的顶端与靠背第二连杆2-15的前端铰接配合，靠背第二连杆2-15的尾端上部与靠背第三连杆2-16的顶端铰接配合，且靠背第二连杆2-15与电机支架侧撑11的尾端固定相连，靠背第三连杆2-16的底端与 靠背第四连杆2-17固定相连，以使电机支架1移动时可驱动靠背第一连杆2-14、靠背第二连杆2-15、靠背第三连杆2-16、靠背第四连杆2-17移动。
如图4所示，装配时滑块92置于电动推杆91的中部，此时倾斜支架8的前端不超过底座5设置，使用时，启动电动推杆91使得滑块92向电动推杆91的前端移动时带动电机支架1向靠背伸缩组件移动，由电机支架1驱动腿板伸缩组件、脚板伸缩组件展开，电机支架1移动至预设位置后腿板伸缩组件、脚板伸缩组件完全展开，且电机支架1不再移动，继续启动电动推杆91使得电动推杆91相对于滑块92移动，即电动推杆91向腿板伸缩组件方向移动，带动旋转杆6正向转动，旋转杆6带动倾斜连杆7前移，倾斜连杆7带动倾斜支架8转动，由倾斜支架8对地面进行支撑，使得底座6的前端高于底座5的后端，即腿板伸缩组件、脚板伸缩组件高于靠背伸缩组件，实现头低脚高的功能。
作为优选，转动连杆限位凸起2-2-6与第二连接端2-2-2之间设置弧形部2-2-5，坐板横撑2-21上设置限位柱2-26，转动连杆2-2转动时由弧形部2-2-5和限位柱2-26之间形成转动摩擦，以控制转动连杆2-2的转动角度，对转动连杆2-2进行转动限位。
为确保靠背伸缩组件的伸展效果，电机支架横撑12上还设有电机铰接支架13，两根靠背第四连杆2-17之间固定设置靠背横撑2-18，靠背横撑2-18的中部设置靠背横撑支架2-27，电机铰接支架13和靠背横撑支架2-27之间设置可伸缩的第二动力机构(图中未示出)，用于单独驱动靠背伸缩组件的伸缩，以确靠背组件的保伸缩效率，实现双电机驱动。
实施例2
上述双电机驱动助站躺椅用铁架的工作方法，包括如下步骤：
A、正坐姿势：滑块92置于电动推杆91的中部，倾斜支架8的前端与底座5的底端齐平，底座5、坐板组件处于水平状态，腿板伸缩组件、脚板伸缩组件处于收缩状态，可实现正坐，如图8所示。
B、平躺姿势：启动电动推杆91使得滑块92向电动推杆91的前端移动，滑块92带动电机支架1向靠背伸缩组件方向移动，电机支架1带动转动连杆2-2向靠背伸缩组件方向转动，转动连杆2-2带动腿板传动连杆2-3向前移动，腿板传动连杆2驱动腿板第一连杆2-4、腿板第二连杆2-5、腿板第三连杆2-6、腿 板第四连杆2-7展开，腿板第三连杆2-6驱动脚板第一连杆2-9、脚板第二连杆2-10、脚板第三连杆2-11、脚板第四连杆2-12、脚板支撑2-13展开，转动连杆2-2转动至限位凸起2-2-6与限位铆钉2-19卡接时，由限位铆钉2-19对转动连杆2-2进行限位，电机支架1静止，腿板伸缩组件、脚板伸缩组件处于展开状态，可实现平躺，如图1所示。
C、休闲躺姿：继续启动电动推杆91，由于转动连杆2-2无法转动、电机支架1锁定，滑块92带动电动推杆91向腿板伸缩组件方向移动，电动推杆91带动旋转杆6向腿板伸缩组件方向转动，旋转杆6带动倾斜连杆7向腿板伸缩组件方向前移，倾斜连杆7带动倾斜支架8转动，倾斜支架8前端的滚轮83下降，由滚轮83与地面形成支撑使得底座5的前端高于底座5的后端，即腿板伸缩组件、脚板伸缩组件高于靠背伸缩组件，实现头低脚高的休闲躺姿，如图7所示。
D、恢复正坐姿势：启动电动推杆91使得滑块92复位至电动推杆91的中部，电动推杆91带动旋转杆6向靠背伸缩组件方向转动，旋转杆6带动倾斜连杆7向靠背伸缩组件方向移动，倾斜连杆7带动倾斜支架8转动使得倾斜支架复位，倾斜支架8前端的滚轮抬起、底座5的前端下降，由底座5与地面形成支撑，倾斜支架8转动至倾斜支架侧撑81与限位挡块58接触后，由限位挡块58对倾斜支架8进行限位，倾斜支架8静止，旋转杆6停止转动、电动推杆91停止移动，滑块92沿电动推杆91向腿板伸缩组件方向移动，滑块92带动电机支架1向靠腿板缩组件方向移动，电机支架1带动转动连杆2-2向腿板伸缩组件方向转动，转动连杆2-2带动腿板传动连杆2-3向后移动，腿板传动连杆2-3驱动腿板第一连杆2-4、腿板第二连杆2-5、腿板第三连杆2-6、腿板第四连杆2-7收缩，腿板第三连杆2-6驱动脚板第一连杆2-9、脚板第二连杆2-10、脚板第三连杆2-11、脚板第四连杆2-12、脚板支撑2-13收缩，恢复正坐姿势。
E、助站姿势：启动电动推杆91，使得电动推杆91向滑块92方向移动，电动推杆92带动旋转杆6向滑块92方向转动，旋转杆6带动H型支架4、连接杆3的前端上翘，旋转杆6通过旋转杆支架62带动倾斜连杆7的前端上翘，使得坐板组件上升，形成助站姿势，如图9所示。
显然，上述实施例仅仅是为清楚地说明本发明所作的举例，而并非是对本发明的实施方式的限定。对于所属领域的普通技术人员来说，在上述说明的基础上 还可以做出其它不同形式的变化或变动。这里无需也无法对所有的实施方式予以穷举。而这些属于本发明的精神所引申出的显而易见的变化或变动仍处于本发明的保护范围之中。

Claims (10)

  1. 一种双电机驱动助站躺椅用铁架，包括伸缩动力机构、伸缩支架、底座，其特征在于，还包括电机支架、倾斜支架、上架组件、倾斜连杆，所述倾斜支架两侧的中部与所述底座两侧的中部绞接配合，所述倾斜支架的尾端上翘设置；所述上架组件的前端设置可转动的旋转杆，旋转杆的两端分别设置旋转杆支架，所述倾斜连杆的一端与所述旋转杆支架铰接配合，所述倾斜连杆的另一端与所述倾斜支架的尾端铰接配合，以使所述旋转杆转动时可驱动所述倾斜支架移动；所述电机支架置于所述上架组件的上方，所述伸缩动力机构的尾端与所述旋转杆较配合，所述伸缩动力机构的前端与所述电机支架传动配合，所述电机支架的两端分别与所述伸缩支架传动配合，以使所述动力伸缩机构伸缩时，可带动电机支架、上架组件移动，电机支架驱动所述伸缩支架伸缩。
  2. 根据权利要求1所述的双电机驱动助站躺椅用铁架，其特征在于，所述伸缩支架包括坐板组件、腿板伸缩组件、脚板伸缩组件、靠背伸缩组件，所述坐板组件尾端的两侧分别设置可伸缩的靠背伸缩组件，所述坐板组件前端的两侧分别设置可伸缩的腿板伸缩组件，所述腿板伸缩组件的前端设置可伸缩的脚板伸缩组件；所述电机支架两侧的尾端与所述靠背伸缩组件传动配合，所述电机支架两侧的前端与所述腿板伸缩组件传动配合，以使所述电机支架移动时可驱动所述靠背伸缩组件、腿板伸缩组件伸缩。
  3. 根据权利要求2所述的双电机驱动助站躺椅用铁架，其特征在于，所述上架组件包括H型支架、连接杆，所述坐板组件的前端两侧向下设置坐板支架，所述坐板支架的底端与所述H型支架的前部铰接配合，所述底座两侧的尾端向上设置底座支架，所述H型支架两侧的尾端与所述底座支架的底部铰接配合，所述连接杆的前端与所述坐板支架的中部铰接配合，所述连接杆的尾端与所述底座支架的顶部铰接配合；所述动力伸缩机构为滑块式电动推杆，滑块式电动推杆包括传动配合的电动推杆和滑块，所述电动推杆的尾端与所述旋转杆的中部铰接配合，所述电动推杆的前端朝向靠背伸缩组件设置，所述滑块固定设置在所述电机支架上；装配时滑块置于电动推杆的中部。
  4. 根据权利要求2或3所述的双电机驱动助站躺椅用铁架，其特征在于，所述坐板组件还包括坐板横撑、置于两侧的坐板纵撑，所述坐板支架固定设置在所述坐板纵撑前部的下侧，各坐板纵撑的前端铰接设置转动连杆，所述转动连杆包括 第一连接端、第二连接端、第三连接端，所述第二连接端的中部与所述坐板纵撑铰接配合，所述第三连接端与所述电机支架的前端传动配合，所述第二连接端与所述第三连接端之间设置限位凸起，所述坐板纵撑上固定设置限位铆钉，以使所述电机支架可驱动所述转动连杆转动，且由限位凸起和限位铆钉相配合以限制转动连杆的转动角度。
  5. 根据权利要求4所述的双电机驱动助站躺椅用铁架，其特征在于，所述电机支架包括电机支架横撑和固定设置于所述电机支架横撑两侧的电机支架侧撑，所述电机支架侧撑的前端固定设置坐板前撑，所述坐板前撑与所述转动连杆的第三连接端铰接配合，所述滑块固定设置在所述电机支架横撑的中部。
  6. 根据权利要求5所述的双电机驱动助站躺椅用铁架，其特征在于，所述底座包括底座前撑、底座后撑和置于两侧的底座侧撑，所述底座侧撑的内侧设置铰接支架，所述倾斜支架包括倾斜支架横撑和置于倾斜支架横撑两侧的倾斜支架侧撑，所述倾斜支架侧撑的前端设置可转动的滚轮，所述倾斜支架侧撑的中部与所述铰接支架铰接配合，所述铰接支架的前端固定设置限位挡块。
  7. 根据权利要求6所述的双电机驱动助站躺椅用铁架，其特征在于，所述旋转杆的中部固定设置电机连接架，所述电动推杆的尾端与所述电机连接架铰接配合。
  8. 根据权利要求5至7之一所述的双电机驱动助站躺椅用铁架，其特征在于，所述腿板伸缩组件包括腿板传动连杆、腿板前撑、平行设置的腿板第一连杆和腿板第二连杆、平行设置的腿板第三连杆和腿板第四连杆，所述腿板第一连杆的尾端与所述转动连杆的第二连接端铰接配合，所述腿板第二连杆的尾端与所述坐板纵撑前端的上部铰接配合，所述腿板第三连杆的尾端与所述腿板第一连杆的前端铰接配合，所述腿板第三连杆的前端与所述腿板前撑铰接配合，所述腿板第四连杆的尾端与所述腿板第二连杆的前端铰接配合，所述腿板第四连杆的前端与所述腿板前撑铰接配合，所述腿板第二连杆的中部设置腿板转动销，所述腿板第三连杆的中部与所述腿板转动销铰接配合，所述腿板传动连杆的尾端与所述转动连杆的第一连接端铰接配合，所述腿板传动连杆的前端与所述腿板转动销铰接配合，以使所述转动连杆可带动所述腿板传动连杆、腿板转动销移动；
    所述脚板伸缩组件包括脚板第一连杆、脚板第二连杆、脚板第三连杆、脚板 第四连杆、脚板支撑，所述脚板第一连杆的尾端与所述腿板第三连杆的中部铰接配合，所述脚板第一连杆的前端与所述脚板第三连杆的尾端铰接配合，所述脚板第三连杆的前端与所述脚板支撑铰接配合，所述脚板第二连杆的尾端与所述腿板前撑固定相连，所述脚板第二连杆的前端与所述脚板第四连杆的尾端铰接配合，所述脚板第四连杆的前端与所述脚板支撑铰接配合，所述脚板第二连杆的中部设置脚板转动销，所述脚板第三连杆的中部与所述脚板转动销铰接配合，以使所述腿板第三连杆可驱动所述脚板第一连杆、脚板第三连杆、脚板支撑移动；
    所述靠背伸缩组件包括靠背第一连杆、靠背第二连杆、靠背第三连杆、靠背第四连杆，所述靠背第一连杆的底端与所述坐板纵撑铰接配合，所述靠背第一连杆的顶端与所述靠背第二连杆的前端铰接配合，所述靠背第二连杆的尾端上部与所述靠背第三连杆的顶端铰接配合，所述靠背第二连杆与所述电机支架侧撑的尾端固定相连，所述靠背第三连杆的底端与所述靠背第四连杆固定相连，以使所述电机支架移动时可驱动所述靠背第一连杆、靠背第二连杆、靠背第三连杆、靠背第四连杆移动。
  9. 根据权利要求5至7之一所述的双电机驱动助站躺椅用铁架，其特征在于，所述底座尾端的两侧设置万向轮，所述底座前端的两侧设置垫块。
  10. 根据权利要求8所述的双电机驱动助站躺椅用铁架的工作方法，其特征在于，包括如下步骤：
    A、正坐姿势：滑块置于电动推杆的中部，倾斜支架的前端与所述底座的底端齐平，底座、坐板组件处于水平状态，腿板伸缩组件、脚板伸缩组件处于收缩状态，可实现正坐；
    B、平躺姿势：启动电动推杆使得滑块向电动推杆的前端移动，滑块带动电机支架向靠背伸缩组件方向移动，电机支架带动转动连杆向靠背伸缩组件方向转动，转动连杆带动腿板传动连杆向前移动，腿板传动连杆驱动腿板第一连杆、腿板第二连杆、腿板第三连杆、腿板第四连杆展开，腿板第三连杆驱动脚板第一连杆、脚板第二连杆、脚板第三连杆、脚板第四连杆、脚板支撑展开，转动连杆转动至限位凸起与限位铆钉卡接时，由限位铆钉对转动连杆进行限位，电机支架静止，腿板伸缩组件、脚板伸缩组件处于展开状态，可实现平躺；
    C、休闲躺姿：继续启动电动推杆，由于转动连杆无法转动、电机支架锁定， 滑块带动电动推杆向腿板伸缩组件方向移动，电动推杆带动旋转杆向腿板伸缩组件方向转动，旋转杆带动倾斜连杆向腿板伸缩组件方向前移，倾斜连杆带动倾斜支架转动，倾斜支架前端的滚轮下降，由滚轮与地面形成支撑使得底座的前端高于底座的后端，即腿板伸缩组件、脚板伸缩组件高于靠背伸缩组件，实现头低脚高的休闲躺姿；
    D、恢复正坐姿势：启动电动推杆使得滑块复位至电动推杆的中部，电动推杆带动旋转杆向靠背伸缩组件方向转动，旋转杆带动倾斜连杆向靠背伸缩组件方向移动，倾斜连杆带动倾斜支架转动使得倾斜支架复位，倾斜支架前端的滚轮抬起、底座的前端下降，由底座与地面形成支撑，倾斜支架转动至倾斜支架侧撑与限位挡块接触后，由限位挡块对倾斜支架进行限位，倾斜支架静止，旋转杆停止转动、电动推杆停止移动，滑块沿电动推杆向腿板伸缩组件方向移动，滑块带动电机支架向靠腿板缩组件方向移动，电机支架带动转动连杆向腿板伸缩组件方向转动，转动连杆带动腿板传动连杆向后移动，腿板传动连杆驱动腿板第一连杆、腿板第二连杆、腿板第三连杆、腿板第四连杆收缩，腿板第三连杆驱动脚板第一连杆、脚板第二连杆、脚板第三连杆、脚板第四连杆、脚板支撑收缩，恢复正坐姿势；
    E、助站姿势：启动电动推杆，使得电动推杆向滑块方向移动，电动推杆带动旋转杆向滑块方向转动，旋转杆带动H型支架、连接杆的前端上翘，旋转杆通过旋转杆支架带动倾斜连杆的前端上翘，使得坐板组件上升，形成助站姿势。
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