WO2023213013A1 - 一种结构改良的座椅架 - Google Patents

一种结构改良的座椅架 Download PDF

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Publication number
WO2023213013A1
WO2023213013A1 PCT/CN2022/106230 CN2022106230W WO2023213013A1 WO 2023213013 A1 WO2023213013 A1 WO 2023213013A1 CN 2022106230 W CN2022106230 W CN 2022106230W WO 2023213013 A1 WO2023213013 A1 WO 2023213013A1
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WO
WIPO (PCT)
Prior art keywords
hinged
linkage rod
frame
linkage
connecting rod
Prior art date
Application number
PCT/CN2022/106230
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English (en)
French (fr)
Inventor
谭长明
Original Assignee
东莞市瑞豪家具制造有限公司
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Application filed by 东莞市瑞豪家具制造有限公司 filed Critical 东莞市瑞豪家具制造有限公司
Publication of WO2023213013A1 publication Critical patent/WO2023213013A1/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
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • 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
    • A47C7/02—Seat parts
    • A47C7/029—Seat parts of non-adjustable shape adapted to a user contour or ergonomic seating positions
    • 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
    • A47C7/02—Seat parts
    • A47C7/14—Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions
    • A47C7/144—Seat parts of adjustable shape; elastically mounted ; adaptable to a user contour or ergonomic seating positions with array of movable supports
    • 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
    • A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
    • A47C7/462—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs adjustable by mechanical means

Definitions

  • the present invention relates to the technical field of seat frames, and in particular, to a structurally improved seat frame.
  • connection structure between the armrest frame and the base of the existing seat frame is complex.
  • the connection structure is prone to problems such as getting stuck or not moving smoothly; the connecting rod structure of the existing seat frame is complex, and the expansion and contraction of the armrest frame and backrest assembly require different driving mechanisms to adjust, and the production and installation costs are high.
  • the seat frame is inconvenient to disassemble and assemble. Therefore, the flaws are obvious and a solution is urgently needed.
  • the object of the present invention is to provide a structurally improved seat frame.
  • a seat frame with an improved structure which includes a base, an armrest frame, a driving mechanism that is rotationally provided on the base, an armrest frame adjustment component that is slidably provided on the base, and a drive mechanism.
  • the leg support component is rotatably connected to the output end of the mechanism, the backrest component is hinged to the armrest frame and the base respectively, a linkage rod is provided on the side of the armrest frame adjustment assembly close to the leg support assembly, and a linkage rod is provided on the armrest frame adjustment assembly.
  • the adjustment component is hinged, and the other end of the linkage rod two is hinged with the armrest frame; one end of the linkage rod one is hinged with the armrest frame adjustment assembly, and the other end of the linkage rod one is hinged with the armrest frame;
  • the driving mechanism can drive The armrest adjustment assembly slides relative to the base and causes an end of the armrest adjustment assembly away from the backrest assembly to tilt upward relative to the base.
  • the armrest frame adjustment assembly includes a seat side panel and a linkage assembly.
  • the linkage assembly is hinged with one end of the seat side panel away from the backrest assembly, and the other end of the seat side panel is slidingly connected to the base;
  • the linkage rod one and the linkage rod two are respectively hinged with the seat side panels.
  • the linkage assembly includes linkage rod four, linkage rod five and linkage rod six.
  • One end of the linkage rod four is hinged with the base, and the other end of the linkage rod four is hinged with the middle part of the linkage rod five.
  • One end of the linkage rod 5 is hinged to the seat side panel, the other end of the linkage rod 5 is hinged to one end of the linkage rod 6, and the other end of the linkage rod 6 is hinged to the base.
  • the armrest frame adjustment assembly further includes a sliding guide provided on the base and a pulley slidably connected to the sliding guide.
  • the pulley is rotatably provided on the seat side panel.
  • the leg support assembly includes leg support frame one, leg support frame two, support frame connecting rod one, connecting rod one, connecting rod two, connecting rod three, and connecting rod four.
  • the connecting rod one One end is hinged to one end of the leg support frame one, the other end of the connecting rod one is hinged to one end of the connecting rod two, the other end of the connecting rod two is hinged to the armrest frame, and the output end of the driving mechanism is connected to the connecting rod
  • the middle part of the two is connected; the middle part of the leg support frame one is hinged with one end of the support frame connecting rod one, the other end of the support frame connecting rod one is hinged with one end of the leg support frame two, the leg support frame
  • the other end of connecting rod 2 is hinged with one end of connecting rod 3, the other end of connecting rod 3 is hinged with one end of connecting rod 4, the other end of connecting rod 4 is hinged with armrest frame and linkage rod 3 respectively.
  • the middle part of the connecting rod three is hinged to the middle part of the connecting rod two; the middle part of the connecting rod one is hinged to the leg support frame two.
  • the leg support assembly also includes a leg support frame three and a support frame connecting rod two.
  • One end of the support frame connecting rod two is hinged with one end of the leg support frame three.
  • the two support frame connecting rods are The other end is hinged to the middle part of connecting rod one; the other end of the leg support frame three is hinged to the middle part of connecting rod three.
  • the backrest assembly includes linkage rods seven, eight, nine and a backrest.
  • One end of the linkage rod seven is hinged to the middle of the backrest.
  • the other end of the linkage rod seven is connected to the linkage rod seven.
  • One end of the linkage rod eight is hinged, the other end of the linkage rod eight is hinged with one end of the linkage rod nine, the other end of the linkage rod nine is hinged with the base; the middle part of the linkage rod eight and one end of the backrest are respectively connected with the armrest Frame hinged.
  • the driving mechanism of the present invention can provide power for the adjustment of the leg support assembly, armrest frame, armrest frame adjustment assembly and backrest assembly respectively, saving the power source required for seat frame adjustment; through the linkage rod 1.
  • Linkage rod three and linkage rod two connect the armrest frame and the armrest frame adjustment assembly, simplifying the connection structure of the armrest frame adjustment assembly and the armrest frame; the posture conversion of the seat frame is convenient and smooth, improving the user's experience.
  • Figure 1 is a schematic three-dimensional structural diagram of the invention in a sitting position.
  • Figure 2 is an exploded view of the invention in a zero-gravity state.
  • Figure 3 is a schematic three-dimensional structural diagram of the invention in a lying state.
  • Figure 4 is a partial three-dimensional structural diagram of the present invention.
  • Figure 5 is a schematic diagram of the three-dimensional structure of the present invention in a zero-gravity state.
  • the present invention provides a structurally improved seat frame, which includes a base 1, an armrest frame 5, a driving mechanism 2 that is rotatably mounted on the base 1, and an armrest that is slidably mounted on the base 1.
  • the frame adjustment assembly 3 the leg support assembly 4 that is rotatably connected to the output end of the driving mechanism 2, the backrest assembly 6 that is hinged with the armrest frame 5 and the base 1 respectively, and the armrest adjustment assembly 3 located close to the leg support assembly 4
  • the linkage rod one 7 on one side, the linkage rod two 8 provided on the other side of the armrest frame adjustment assembly 3 and the linkage rod three 9 with one end hinged to the middle of the linkage rod two 8, the leg support components 4 are respectively connected with the linkage rod 7
  • the other end of rod three 9 is hinged to the armrest frame 5; one end of the linkage rod two 8 is hinged to the armrest frame adjustment assembly 3, and the other end of the linkage rod two 8 is hinged to the armrest frame 5; the linkage rod one 7 One end
  • the leg support assembly 4 is in a retracted state
  • the armrest frame 5 is in a flat state
  • the backrest assembly 6 is in a retracted or upright state
  • the driving mechanism 2 is in a retracted state
  • the driving mechanism 2 is started, and the length of the output end of the driving mechanism 2 extending out of the body of the driving mechanism 2 gradually increases.
  • the driving mechanism 2 drives the leg support assembly 4 to rotate relative to the armrest frame 5 and the linkage rod 3 9 , thereby unfolding the leg support assembly 4 ; while the leg support assembly 4 is unfolding, it can drive the linkage rod 3 9 and the linkage rod 2 8 Relative to the rotation of the armrest adjustment assembly 3 and the armrest frame 5, the driving mechanism 2 can drive the armrest frame 5 toward the leg support assembly 4 through the leg support assembly 4, linkage rod three 9, linkage rod two 8 and linkage rod one 7.
  • the driving mechanism 2 of the present invention can provide power for the adjustment of the leg support assembly 4, the armrest frame 5, the armrest frame adjustment assembly 3 and the backrest assembly 6 respectively, saving the power source required for seat frame adjustment; through the linkage rod 7.
  • Linkage rod three 9 and linkage rod two 8 connect the armrest frame 5 and the armrest frame adjustment assembly 3, simplifying the connection structure of the armrest frame adjustment assembly 3 and the armrest frame 5; the posture conversion of the seat frame is convenient and smooth, which improves the user's usage experience.
  • the armrest frame adjustment assembly 3 includes a seat side panel 31 and a linkage assembly 32.
  • the linkage assembly 32 is hinged with one end of the seat side panel 31 away from the backrest assembly 6, and the other end of the seat side panel 31 is hinged. It is slidingly connected to the base 1; the linkage rod 7 and the linkage rod 2 8 are respectively hinged with the seat side plate 31.
  • the linkage assembly 32 includes linkage rod four 34, linkage rod five 35 and linkage rod six 36.
  • One end of the linkage rod four 34 is hinged with the base 1, and the other end of the linkage rod four 34 is connected with the linkage rod five.
  • the middle part of the linkage rod 35 is hinged.
  • One end of the linkage rod 35 is hinged to the seat side panel 31.
  • the other end of the linkage rod 535 is hinged to one end of the linkage rod 636.
  • the other end of the linkage rod 36 is connected to the base. 1 is hinged; the linkage rod 5 35 is in an arc shape; the armrest frame 5 is provided with a friction piece 33 that can conflict with the linkage rod 2 8 .
  • the driving mechanism 2 drives the linkage rod 1 7 and the linkage rod 2 8 to rotate relative to the seat side plate 31 in a direction closer to the leg support assembly 4.
  • the linkage rod 7 collides with the friction piece 33 on the armrest frame 5
  • the linkage rod 7 is limited by the friction piece 33, and the linkage rod 7 no longer rotates relative to the seat side plate 31 and the armrest frame 5, and the seat
  • the chair frame is converted to a reclining state; the output end of the driving mechanism 2 extends out of the body of the driving mechanism 2 and continues to extend, and the driving mechanism 2 is driven by linkage rod one 7, linkage rod two 8, linkage rod three 9 and armrest frame 5
  • the seat side plate 31 slides relative to the base 1 in a direction away from the leg support assembly 4.
  • the seat side plate 31 drives the linkage rod five 35 to rotate in a direction away from the backrest assembly 6.
  • the linkage rod five 35 drives the linkage rod four 34 and
  • the linkage rod six 36 rotates relative to the base 1 respectively.
  • the linkage rod four 34 and the linkage rod six 36 provide guidance for the movement of the linkage rod five 35 and the seat side plate 31.
  • the directionality of the linkage rod four 34 and the linkage rod six 36 when they rotate is Good, there is less movement resistance; through the coordinated rotation of the linkage lever four 34 and the linkage lever six 36, the height of the connection between the linkage lever five 35 and the seat side panel 31 gradually increases in the vertical direction, and the seat side panel 31 and the armrest
  • the end of the frame 5 away from the backrest assembly 6 tilts upward during the sliding process, thereby facilitating the transition of the seat frame from the reclining state to the zero-gravity state.
  • a linkage component 32 is added. When the seat side panel 31 slides relative to the base 1, the linkage component 32 makes the tilting movement of the other end of the seat side panel 31 smoother, which is beneficial to the smooth adjustment of the seat side panel 31 and the armrest frame 5. In the tilted state, the linkage component 32 has a simple structure and is convenient for production and processing.
  • the armrest frame adjustment assembly 3 also includes a sliding guide 37 provided on the base 1 and a pulley 38 slidably connected to the sliding guide 37.
  • the pulley 38 is rotatably provided on the seat side panel 31.
  • the base 1 is provided with a collision piece 10 that can resist the pulley 38; the linkage rods 17, 28 and 9 are respectively provided on the seat side panel 31 close to the armrest frame 5.
  • the linkage component 32, the sliding guide 37 and the pulley 38 are respectively provided on the other side of the seat side panel 31.
  • the pulley 38 slides in the direction close to the leg support assembly 4 in the sliding guide 37.
  • the sliding guide 37 provides guidance for the sliding of the pulley 38.
  • the pulley 38 can interact with the The second resisting member 10 resists, and the second resisting member 10 can prevent the pulley 38 from protruding from the sliding guide 37, thereby improving the accuracy and stability of the seat frame adjustment.
  • leg support assembly 4 includes leg support frame one 45, leg support frame two 46, support frame connecting rod one 47, connecting rod one 41, connecting rod two 42, connecting rod three 43, and connecting rod four. 44.
  • One end of the connecting rod 41 is hinged to one end of the leg support frame 45, the other end of the connecting rod 41 is hinged to one end of the connecting rod 2 42, and the other end of the connecting rod 42 is connected to the armrest.
  • the frame 5 is hinged, and the output end of the driving mechanism 2 is rotationally connected to the middle part of the connecting rod 42; the middle part of the leg support frame 45 is hinged to one end of the support frame connecting rod 47, and the support frame connecting rod 1
  • the other end of 47 is hinged with one end of leg support frame two 46.
  • leg support frame two 46 is hinged with one end of connecting rod three 43.
  • the other end of connecting rod three 43 is connected with the connecting rod four 44.
  • One end is hinged, and the other end of the connecting rod 44 is hinged with the armrest frame 5 and the linkage rod 39 respectively.
  • the middle part of the third connecting rod 43 is hinged to the middle part of the second connecting rod 42; the middle part of the first connecting rod 41 is hinged to the second leg support frame 46; the leg support assembly 4 also includes a leg support frame.
  • Three 48 and support frame connecting rod two 49 one end of the support frame connecting rod two 49 is hinged with one end of the leg support frame three 48, and the other end of the support frame connecting rod two 49 is hinged with the middle part of the connecting rod one 41 ;
  • the other end of the leg support frame three 48 is hinged with the middle part of the connecting rod three 43.
  • the driving mechanism 2 drives the second connecting rod 42 to rotate relative to the armrest frame 5.
  • the second connecting rod 42 drives the connecting rods 1, 41 and 41 respectively.
  • Connecting rod three 43, leg support frame one 45, supporting frame connecting rod one 47, leg supporting frame two 46, connecting rod four 44, supporting frame connecting rod two 49, leg supporting frame three 48 outwards away from the armrest frame 5 direction, thereby realizing the deployment of the leg support assembly 4.
  • the first leg support frame 45, the second leg support frame 46 and the third leg support frame 48 can respectively provide support for the user's legs, thereby improving the user's comfort.
  • the support frame connecting rod 47 is added, so that the leg support frame 45 can be further folded in the direction closer to the armrest frame 5 relative to the support frame connecting rod 47 and the leg support frame 2 46, which improves the folding time of the seat frame. space utilization.
  • the backrest assembly 6 includes a linkage rod seven 61, a linkage rod eight 62, a linkage rod nine 63 and a backrest piece 64.
  • One end of the linkage rod seven 61 is hinged to the middle of the backrest piece 64.
  • the other end of rod seven 61 is hinged to one end of linkage rod eight 62, the other end of linkage rod eight 62 is hinged to one end of linkage rod nine 63, the other end of linkage rod nine 63 is hinged to base 1;
  • the middle part of the pole 62 and one end of the backrest 64 are hinged with the armrest frame 5 respectively.
  • the linkage rod 62 is L-shaped; the armrest frame 5 is provided with a connector 11; the backrest 64 is hinged to one end of the connector 11, and the middle part of the linkage rod 62 is connected to the connector 11. The other end of 11 is hinged.
  • the armrest frame 5 can drive the connecting member 11 to tilt in a direction away from the backrest assembly 6 movement, the connecting piece 11 drives the backrest 64 to tilt, and the backrest 64 drives the linkage rods seven 61, eight 62, and nine 63 to rotate, and the linkage rods seven 61, eight 62, and nine 63 can tilt
  • the rear backrest member 64 is used to limit and guide the backrest assembly 6 to unfold or tilt.
  • the backrest assembly 6 has good stability when expanded or contracted, the connection structure between the backrest component 64, the armrest frame 5 and the base 1 is simple, and the tilting or upright movement of the backrest component 64 is smooth.

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Abstract

一种结构改良的座椅架，包括底座（1）、扶手架（5）、转动设置于底座（1）上的驱动机构（2）、滑动设置于底座（1）上的扶手架调节组件（3）、与驱动机构（2）的输出端转动连接的腿部支撑组件（4）、分别与扶手架（5）和底座（1）铰接的背靠组件（6）、设置于扶手架调节组件（3）的一侧的联动杆一（7）、设置于扶手架调节组件（3）的另一侧的联动杆二（8）及一端与联动杆二（8）的中部铰接的联动杆三（9），腿部支撑组件（4）分别与联动杆三（9）的另一端和扶手架（5）铰接。驱动机构（2）能分别为腿部支撑组件（4）、扶手架（5）、扶手架调节组件（3）和背靠组件（6）的调节提供动力，节约了座椅架调节所需的动力源；通过联动杆一（7）、联动杆三（9）和联动杆二（8）连接扶手架（5）和扶手架调节组件（3），简化了扶手架调节组件（3）和扶手架（5）的连接结构。

Description

一种结构改良的座椅架 技术领域
本发明涉及座椅架技术领域，尤其是指一种结构改良的座椅架。
 背景技术
随着时代的发展和科技的不断进步，人们的消费水平和居住要求不断提高，人们对功能性家具产品的要求越来越高。现有的座椅架的扶手架与底座的连接结构复杂，将扶手架倾斜使得座椅架从坐姿状态转换成零重力状态时，扶手架与底座的连接结构的运动动作复杂，扶手架与底座的连接结构容易出现卡死或移动不顺等问题；现有的座椅架的连杆结构复杂，扶手架和背靠组件的伸展和收缩需要不同的驱动机构进行调节，生产和安装成本高，座椅架的拆装不便。因此，缺陷十分明显，亟需提供一种解决方案。
 技术问题
为了解决上述技术问题，本发明的目的在于提供一种结构改良的座椅架。
 技术解决方案
为了实现上述目的，本发明采用如下技术方案：一种结构改良的座椅架，其包括底座、扶手架、转动设置于底座上的驱动机构、滑动设置于底座上的扶手架调节组件、与驱动机构的输出端转动连接的腿部支撑组件、分别与扶手架和底座铰接的背靠组件、设置于扶手架调节组件靠近腿部支撑组件的一侧的联动杆一、设置于扶手架调节组件的另一侧的联动杆二及一端与联动杆二的中部铰接的联动杆三，所述腿部支撑组件分别与联动杆三的另一端和扶手架铰接；所述联动杆二的一端与扶手架调节组件铰接，所述联动杆二的另一端与扶手架铰接；所述联动杆一的一端与扶手架调节组件铰接，所述联动杆一的另一端与扶手架铰接；所述驱动机构能带动扶手架调节组件相对于底座滑动并使得扶手架调节组件远离背靠组件的一端相对于底座向上倾斜。
进一步地，所述扶手架调节组件包括座椅侧板和联动组件，所述联动组件与座椅侧板远离背靠组件的一端铰接，所述座椅侧板另一端与底座滑动连接；所述联动杆一和联动杆二分别与座椅侧板铰接。
进一步地，所述联动组件包括联动杆四、联动杆五和联动杆六，所述联动杆四的一端与底座铰接，所述联动杆四的另一端与联动杆五的中部铰接，所述联动杆五的一端与座椅侧板铰接，所述联动杆五的另一端与联动杆六的一端铰接，所述联动杆六的另一端与底座铰接。
进一步地，所述扶手架调节组件还包括设置于底座上的滑动导向件及与滑动导向件滑动连接的滑轮，所述滑轮转动设置于座椅侧板上。
进一步地，所述腿部支撑组件包括腿部支撑架一、腿部支撑架二、支撑架连接杆一、连杆一、连杆二、连杆三、连杆四，所述连杆一的一端与腿部支撑架一的一端铰接，所述连杆一的另一端与连杆二的一端铰接，所述连杆二的另一端与扶手架铰接，所述驱动机构的输出端与连杆二的中部连接；所述腿部支撑架一的中部与支撑架连接杆一的一端铰接，所述支撑架连接杆一的另一端与腿部支撑架二的一端铰接，所述腿部支撑架二的另一端与连杆三的一端铰接，所述连杆三的另一端与连杆四的一端铰接，所述连杆四的另一端分别与扶手架和联动杆三铰接。
进一步地，所述连杆三的中部与连杆二的中部铰接；所述连杆一的中部与腿部支撑架二铰接。
进一步地，所述腿部支撑组件还包括腿部支撑架三及支撑架连接杆二，所述支撑架连接杆二的一端与腿部支撑架三的一端铰接，所述支撑架连接杆二的另一端与连杆一的中部铰接；所述腿部支撑架三的另一端与连杆三的中部铰接。
进一步地，所述背靠组件包括联动杆七、联动杆八、联动杆九及背靠件，所述联动杆七的一端与背靠件的中部铰接，所述联动杆七的另一端与联动杆八的一端铰接，所述联动杆八的另一端与联动杆九的一端铰接，所述联动杆九的另一端与底座铰接；所述联动杆八的中部和背靠件的一端分别与扶手架铰接。
 有益效果
本发明的有益效果：本发明的驱动机构能分别为腿部支撑组件、扶手架、扶手架调节组件和背靠组件的调节提供动力，节约了座椅架调节所需的动力源；通过联动杆一、联动杆三和联动杆二连接扶手架和扶手架调节组件，简化了扶手架调节组件和扶手架的连接结构；座椅架的姿态转换方便流畅，提高了使用者的使用体验。
 附图说明
图1为本发明的坐姿状态下的立体结构示意图。
图2为本发明的零重力状态下的爆炸图。
图3为本发明的躺靠状态下的立体结构示意图。
图4为本发明的局部立体结构示意图。
图5为本发明的零重力状态下的立体结构示意图。
附图标记说明：1、底座；2、驱动机构；3、扶手架调节组件；4、腿部支撑组件；5、扶手架；6、背靠组件；7、联动杆一；8、联动杆二；9、联动杆三；10、抵触件二；11、连接件；31、座椅侧板；32、联动组件；33、抵触件一；34、联动杆四；35、联动杆五；36、联动杆六；37、滑动导向件；38、滑轮；41、连杆一；42、连杆二；43、连杆三；44、连杆四；45、腿部支撑架一；46、腿部支撑架二；47、支撑架连接杆一；48、腿部支撑架三；49、支撑架连接杆二；61、联动杆七；62、联动杆八；63、联动杆九；64、背靠件。
 本发明的实施方式
为了便于本领域技术人员的理解，下面结合实施例与附图对本发明作进一步的说明，实施方式提及的内容并非对本发明的限定。
如图1至图5所示，本发明提供的一种结构改良的座椅架，其包括底座1、扶手架5、转动设置于底座1上的驱动机构2、滑动设置于底座1上的扶手架调节组件3、与驱动机构2的输出端转动连接的腿部支撑组件4、分别与扶手架5和底座1铰接的背靠组件6、设置于扶手架调节组件3靠近腿部支撑组件4的一侧的联动杆一7、设置于扶手架调节组件3的另一侧的联动杆二8及一端与联动杆二8的中部铰接的联动杆三9，所述腿部支撑组件4分别与联动杆三9的另一端和扶手架5铰接；所述联动杆二8的一端与扶手架调节组件3铰接，所述联动杆二8的另一端与扶手架5铰接；所述联动杆一7的一端与扶手架调节组件3铰接，所述联动杆一7的另一端与扶手架5铰接；所述驱动机构2能带动扶手架调节组件3相对于底座1滑动并使得扶手架调节组件3远离背靠组件6的一端相对于底座1向上倾斜。
在实际使用过程中，座椅架位于坐姿状态时，腿部支撑组件4处于收缩状态、扶手架5处于平放状态、背靠组件6处于收缩或直立状态、驱动机构2处于收缩状态（驱动机构2的输出端基本位于驱动机构2的本体内）；当需要调节座椅架至躺靠状态时，驱动机构2启动，驱动机构2的输出端伸出驱动机构2的本体的长度逐渐增长，通过驱动机构2带动腿部支撑组件4相对于扶手架5和联动杆三9转动，从而展开腿部支撑组件4；腿部支撑组件4在展开的同时，能带动联动杆三9和联动杆二8相对于扶手架调节组件3和扶手架5转动，驱动机构2能通过腿部支撑组件4、联动杆三9、联动杆二8和联动杆一7带动扶手架5向靠近腿部支撑组件4的方向转动，从而使得扶手架5靠近腿部支撑组件4的一端略微向上倾斜，背靠组件6在扶手架5的带动下能相对于底座1转动，背靠组件6相对于底座1初步展开或倾斜，完成座椅架躺靠状态的调节。当需要将座椅架从躺靠状态调节至零重力状态时，驱动机构2的输出端继续伸出驱动机构2的本体，驱动机构2能通过腿部支撑组件4、扶手架5、联动杆一7、联动杆二8和联动杆三9带动扶手架调节组件3相对于底座1滑动，在滑动过程中扶手架调节组件3远离背靠组件6的一端相对于底座1向上倾斜，扶手架调节组件3的另一端相对于底座1滑动并带动背靠组件6相对于底座1转动，扶手架5带动腿部支撑组件4同步倾斜、背靠组件6相对于底座1转动，从而实现背靠组件6的彻底展开或倾斜，完成了座椅架从躺靠状态到零重力状态的调节。本发明的驱动机构2能分别为腿部支撑组件4、扶手架5、扶手架调节组件3和背靠组件6的调节提供动力，节约了座椅架调节所需的动力源；通过联动杆一7、联动杆三9和联动杆二8连接扶手架5和扶手架调节组件3，简化了扶手架调节组件3和扶手架5的连接结构；座椅架的姿态转换方便流畅，提高了使用者的使用体验。
进一步地，所述扶手架调节组件3包括座椅侧板31和联动组件32，所述联动组件32与座椅侧板31远离背靠组件6的一端铰接，所述座椅侧板31另一端与底座1滑动连接；所述联动杆一7和联动杆二8分别与座椅侧板31铰接。
具体地，所述联动组件32包括联动杆四34、联动杆五35和联动杆六36，所述联动杆四34的一端与底座1铰接，所述联动杆四34的另一端与联动杆五35的中部铰接，所述联动杆五35的一端与座椅侧板31铰接，所述联动杆五35的另一端与联动杆六36的一端铰接，所述联动杆六36的另一端与底座1铰接；所述联动杆五35呈圆弧形；所述扶手架5上设置有能与联动杆二8抵触的抵触件一33。在实际使用过程中，座椅架从坐姿状态转变为躺靠状态时，驱动机构2带动联动杆一7和联动杆二8相对于座椅侧板31向靠近腿部支撑组件4的方向转动，直至联动杆一7与扶手架5上的抵触件一33抵触后，联动杆一7经由抵触件一33限位，联动杆一7不再相对于座椅侧板31和扶手架5转动，座椅架转换为躺靠状态；驱动机构2的输出端伸出驱动机构2的本体的长度继续伸长，驱动机构2经由联动杆一7、联动杆二8、联动杆三9和扶手架5带动座椅侧板31相对于底座1向远离腿部支撑组件4的方向滑动，座椅侧板31带动联动杆五35向远离背靠组件6的方向转动，联动杆五35带动联动杆四34和联动杆六36分别相对于底座1转动，联动杆四34和联动杆六36为联动杆五35和座椅侧板31的运动提供导向，联动杆四34和联动杆六36转动时的方向性好，运动阻力少；通过联动杆四34和联动杆六36配合转动，使得联动杆五35与座椅侧板31的连接处在竖直方向上的高度逐渐增高，座椅侧板31和扶手架5远离背靠组件6的一端的在滑动的过程中向上倾斜，从而便于座椅架从躺靠状态向零重力状态的转变。增设联动组件32，当座椅侧板31相对于底座1滑动时，联动组件32使得座椅侧板31的另一端的倾斜运动更为顺畅，有利于座椅侧板31和扶手架5顺畅调节至倾斜状态，联动组件32的结构简单，生产和加工方便。
进一步地，所述扶手架调节组件3还包括设置于底座1上的滑动导向件37及与滑动导向件37滑动连接的滑轮38，所述滑轮38转动设置于座椅侧板31上。
具体地，所述底座1上设置有能与滑轮38抵触的抵触件二10；所述联动杆一7、联动杆二8和联动杆三9分别设置于座椅侧板31靠近扶手架5的一侧，所述联动组件32、滑动导向件37和滑轮38分别设置于座椅侧板31的另一侧。在实际使用过程中，滑轮38在滑动导向件37内向靠近腿部支撑组件4的方向滑动，滑动导向件37为滑轮38的滑动提供导向，当座椅调节至零重力状态时，滑轮38能与抵触件二10抵触，抵触件二10能避免滑轮38从滑动导向件37内脱出，提高了座椅架调节时的精度和稳定性。
进一步地，所述腿部支撑组件4包括腿部支撑架一45、腿部支撑架二46、支撑架连接杆一47、连杆一41、连杆二42、连杆三43、连杆四44，所述连杆一41的一端与腿部支撑架一45的一端铰接，所述连杆一41的另一端与连杆二42的一端铰接，所述连杆二42的另一端与扶手架5铰接，所述驱动机构2的输出端与连杆二42的中部转动连接；所述腿部支撑架一45的中部与支撑架连接杆一47的一端铰接，所述支撑架连接杆一47的另一端与腿部支撑架二46的一端铰接，所述腿部支撑架二46的另一端与连杆三43的一端铰接，所述连杆三43的另一端与连杆四44的一端铰接，所述连杆四44的另一端分别与扶手架5和联动杆三9铰接。
具体地，所述连杆三43的中部与连杆二42的中部铰接；所述连杆一41的中部与腿部支撑架二46铰接；所述腿部支撑组件4还包括腿部支撑架三48及支撑架连接杆二49，所述支撑架连接杆二49的一端与腿部支撑架三48的一端铰接，所述支撑架连接杆二49的另一端与连杆一41的中部铰接；所述腿部支撑架三48的另一端与连杆三43的中部铰接。在实际使用过程中，驱动机构2的输出端伸出驱动机构2的本体的长度不断增长，驱动机构2带动连杆二42相对于扶手架5转动，连杆二42分别带动连杆一41、连杆三43、腿部支撑架一45、支撑架连接杆一47、腿部支撑架二46、连杆四44、支撑架连接杆二49、腿部支撑架三48向外远离扶手架5的方向转动，从而实现腿部支撑组件4的展开。腿部支撑架一45、腿部支撑架二46和腿部支撑架三48能分别为使用者的腿部提供支撑，提高了使用者的舒适度。增设支撑架连接杆一47，使得腿部支撑架一45能相对于支撑架连接杆一47和腿部支撑架二46进一步向靠近扶手架5的方向收折，提高了座椅架收折时的空间利用率。
进一步地，所述背靠组件6包括联动杆七61、联动杆八62、联动杆九63及背靠件64，所述联动杆七61的一端与背靠件64的中部铰接，所述联动杆七61的另一端与联动杆八62的一端铰接，所述联动杆八62的另一端与联动杆九63的一端铰接，所述联动杆九63的另一端与底座1铰接；所述联动杆八62的中部和背靠件64的一端分别与扶手架5铰接。
具体地，所述联动杆八62呈L形；所述扶手架5上设置有连接件11；所述背靠件64与连接件11的一端铰接，所述联动杆八62的中部与连接件11的另一端铰接。在实际使用过程中，当座椅侧板31和扶手架5相对于底座1滑动向远离背靠组件6的方向滑动时，扶手架5能带动连接件11倾斜并向远离背靠组件6的方向运动，连接件11带动背靠件64倾斜，背靠件64带动联动杆七61、联动杆八62和联动杆九63转动，联动杆七61、联动杆八62和联动杆九63能对倾斜后的背靠件64进行限位和导向，从而实现背靠组件6的展开或倾斜。背靠组件6展开或收缩时的稳定性好，背靠件64与扶手架5和底座1的连接结构简单，背靠件64的倾斜或直立动作流畅。
本实施例中的所有技术特征均可根据实际需要而进行自由组合。
上述实施例为本发明较佳的实现方案，除此之外，本发明还可以其它方式实现，在不脱离本技术方案构思的前提下任何显而易见的替换均在本发明的保护范围之内。

Claims (8)

  1. 一种结构改良的座椅架，其特征在于：包括底座(1)、扶手架(5)、转动设置于底座(1)上的驱动机构(2)、滑动设置于底座(1)上的扶手架调节组件(3)、与驱动机构(2)的输出端转动连接的腿部支撑组件(4)、分别与扶手架(5)和底座(1)铰接的背靠组件(6)、设置于扶手架调节组件(3)靠近腿部支撑组件(4)的一侧的联动杆一(7)、设置于扶手架调节组件(3)的另一侧的联动杆二(8)及一端与联动杆二(8)的中部铰接的联动杆三(9)，所述腿部支撑组件(4)分别与联动杆三(9)的另一端和扶手架(5)铰接；所述联动杆二(8)的一端与扶手架调节组件(3)铰接，所述联动杆二(8)的另一端与扶手架(5)铰接；所述联动杆一(7)的一端与扶手架调节组件(3)铰接，所述联动杆一(7)的另一端与扶手架(5)铰接；所述驱动机构(2)能带动扶手架调节组件(3)相对于底座(1)滑动并使得扶手架调节组件(3)远离背靠组件(6)的一端相对于底座(1)向上倾斜。
  2. 根据权利要求1所述的一种结构改良的座椅架，其特征在于：所述扶手架调节组件(3)包括座椅侧板(31)和联动组件(32)，所述联动组件(32)与座椅侧板(31)远离背靠组件(6)的一端铰接，所述座椅侧板(31)另一端与底座(1)滑动连接；所述联动杆一(7)和联动杆二(8)分别与座椅侧板(31)铰接。
  3. 根据权利要求2所述的一种结构改良的座椅架，其特征在于：所述联动组件(32)包括联动杆四(34)、联动杆五(35)和联动杆六(36)，所述联动杆四(34)的一端与底座(1)铰接，所述联动杆四(34)的另一端与联动杆五(35)的中部铰接，所述联动杆五(35)的一端与座椅侧板(31)铰接，所述联动杆五(35)的另一端与联动杆六(36)的一端铰接，所述联动杆六(36)的另一端与底座(1)铰接。
  4. 根据权利要求2所述的一种结构改良的座椅架，其特征在于：所述扶手架调节组件(3)还包括设置于底座(1)上的滑动导向件(37)及与滑动导向件(37)滑动连接的滑轮(38)，所述滑轮(38)转动设置于座椅侧板(31)上。
  5. 根据权利要求1所述的一种结构改良的座椅架，其特征在于：所述腿部支撑组件(4)包括腿部支撑架一(45)、腿部支撑架二(46)、支撑架连接杆一(47)、连杆一(41)、连杆二(42)、连杆三(43)、连杆四(44)，所述连杆一(41)的一端与腿部支撑架一(45)的一端铰接，所述连杆一(41)的另一端与连杆二(42)的一端铰接，所述连杆二(42)的另一端与扶手架(5)铰接，所述驱动机构(2)的输出端与连杆二(42)的中部连接；所述腿部支撑架一(45)的中部与支撑架连接杆一(47)的一端铰接，所述支撑架连接杆一(47)的另一端与腿部支撑架二(46)的一端铰接，所述腿部支撑架二(46)的另一端与连杆三(43)的一端铰接，所述连杆三(43)的另一端与连杆四(44)的一端铰接，所述连杆四(44)的另一端分别与扶手架(5)和联动杆三(9)铰接。
  6. 根据权利要求5所述的一种结构改良的座椅架，其特征在于：所述连杆三(43)的中部与连杆二(42)的中部铰接；所述连杆一(41)的中部与腿部支撑架二(46)铰接。
  7. 根据权利要求5所述的一种结构改良的座椅架，其特征在于：所述腿部支撑组件(4)还包括腿部支撑架三(48)及支撑架连接杆二(49)，所述支撑架连接杆二(49)的一端与腿部支撑架三(48)的一端铰接，所述支撑架连接杆二(49)的另一端与连杆一(41)的中部铰接；所述腿部支撑架三(48)的另一端与连杆三(43)的中部铰接。
  8. 根据权利要求1-7任意一项所述的一种结构改良的座椅架，其特征在于：所述背靠组件(6)包括联动杆七(61)、联动杆八(62)、联动杆九(63)及背靠件（64），所述联动杆七(61)的一端与背靠件（64）的中部铰接，所述联动杆七(61)的另一端与联动杆八(62)的一端铰接，所述联动杆八(62)的另一端与联动杆九(63)的一端铰接，所述联动杆九(63)的另一端与底座（1）铰接；所述联动杆八(62)的中部和背靠件（64）的一端分别与扶手架（5）铰接。
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