WO2022241965A1 - 座椅架及座椅 - Google Patents

座椅架及座椅 Download PDF

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Publication number
WO2022241965A1
WO2022241965A1 PCT/CN2021/114117 CN2021114117W WO2022241965A1 WO 2022241965 A1 WO2022241965 A1 WO 2022241965A1 CN 2021114117 W CN2021114117 W CN 2021114117W WO 2022241965 A1 WO2022241965 A1 WO 2022241965A1
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WO
WIPO (PCT)
Prior art keywords
rods
pivotally connected
rod
support
transmission
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PCT/CN2021/114117
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English (en)
French (fr)
Inventor
李龙
杨利明
王国伟
沈斌
陶康明
叶琦琦
张广娇
Original Assignee
德沃康科技集团有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 德沃康科技集团有限公司 filed Critical 德沃康科技集团有限公司
Priority to EP21940414.2A priority Critical patent/EP4342335A1/en
Priority to US18/562,143 priority patent/US20240215726A1/en
Publication of WO2022241965A1 publication Critical patent/WO2022241965A1/zh

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    • 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
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/034—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest
    • A47C1/035—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movably coupled seat and back-rest, i.e. the seat and back-rest being movably coupled in such a way that the extension mechanism of the foot-rest is actuated at least by the relative movements of seat and backrest
    • A47C1/0355—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movably coupled seat and back-rest, i.e. the seat and back-rest being movably coupled in such a way that the extension mechanism of the foot-rest is actuated at least by the relative movements of seat and backrest actuated by linkages, e.g. lazy-tongs mechanisms
    • 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
    • A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/034—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest
    • A47C1/0342—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movable backrest-seat unit or back-rest
    • A47C1/0345—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts including a leg-rest or foot-rest in combination with movable backrest-seat unit or back-rest characterised by foot-rests actuated by lazy-tongs

Definitions

  • the present application relates to the technical field of furniture, for example, to a seat frame and a seat.
  • the zero-gravity seat is designed by combining the zero-gravity principle and the seat technology.
  • the ergonomic design of the seat and the zero-gravity technology are used to make the calf level of the occupant higher than the heart position, so that it is in a natural state and can resist The discomfort caused by the gravity of the earth, at the same time, the center of gravity of the human body is placed on the fat of the buttocks, and other body parts are not under pressure, so that the body can relax.
  • the application provides a seat frame, which can increase the opening angle of the backrest, realize zero-gravity effect, and have higher comfort.
  • the present application also provides a seat, and the comfort of the seat is improved by using the above-mentioned seat frame.
  • a seat frame including a cushion support, a transmission assembly, a lumbar support assembly, and a footrest assembly arranged on the cushion support;
  • the lumbar support assembly is pivotally connected to the first end of the transmission assembly;
  • the lumbar support assembly includes a lumbar support bracket and a lumbar support rod set, and the lumbar support rod set includes a support rod and a support rod and three supporting rods, the first ends of the three supporting rods are pivotally connected to the cushion bracket, the second ends of the three supporting rods are pivotally connected to the waist support bracket, the first ends of the two supporting rods are connected to the
  • the transmission assembly is connected by transmission, the second end of the second supporting rod is pivotally connected to the third end of the third supporting rod, and the first end of the first supporting rod is pivotally connected to the third end of the second supporting rod , the second end of the support rod is pivotally connected to the waist support bracket;
  • the lumbar support assembly is set such that: when the lumbar support assembly is unfolded, driven by the two support rods, the second end of the first support rod can connect with the first end of the first support rod.
  • the connection point of the two supporting rods is that the center of rotation swings toward the direction of the footrest assembly;
  • the footrest assembly is pivotally connected to the second end of the transmission assembly, the footrest assembly is also connected to an external driving device, and is configured to be folded or unfolded under the drive of the external driving device and Drive the transmission assembly and the lumbar support assembly to fold or unfold.
  • a seat including the above-mentioned seat frame.
  • Fig. 1 is the structural representation when the seat frame is deployed in the embodiment of the present application
  • Fig. 2 is a structural schematic diagram of the lumbar support rod group in the embodiment of the present application.
  • Fig. 3 is a structural schematic diagram of the lumbar connecting rod group in the embodiment of the present application.
  • Fig. 4 is a schematic diagram of the connection relationship between the lumbar support connecting rod group and the seat cushion support from a perspective in the embodiment of the present application;
  • Fig. 5 is a schematic diagram of the connection relationship between the lumbar support connecting rod group and the cushion bracket from another perspective in the embodiment of the present application;
  • Fig. 6 is a schematic structural view of the seat frame in the embodiment of the present application when it is folded;
  • Fig. 7 is a schematic structural view of a seat frame provided by an embodiment when it is unfolded.
  • Waist support bracket 311. Waist support section;
  • Lumbar support rod group 321. One support rod; 322. Two support rods; 323. Three support rods;
  • the lumbar transmission rod group 331. The first transmission rod; 332. The second transmission rod; 333. The third transmission rod;
  • Lumbar connecting rod group 341. Connecting one rod; 342. Connecting two rods; 343. Connecting three rods; 344. Connecting four rods; 345. Connecting five rods; 346. Connecting six rods; 347. Connecting seven rods; 348, connect eight rods; 349, connect nine rods;
  • Foot stool assembly 41. One foot rod; 42. Two foot rods; 43. Three foot rods; 431. Middle stool attachment platform; 44. Four foot rods; 45. Five foot rods Rod; 46, pedal bracket; 461, pedal attachment platform; 47, six rods of the foot.
  • a first feature being "on” or “under” a second feature may include direct contact between the first and second features, and may also include the first and second features Not in direct contact but through another characteristic contact between them.
  • “above”, “above” and “above” the first feature on the second feature include that the first feature is directly above and obliquely above the second feature, or simply means that the first feature is horizontally higher than the second feature.
  • “Below”, “beneath” and “under” the first feature to the second feature include that the first feature is directly below and obliquely below the second feature, or simply means that the first feature has a lower level than the second feature.
  • this embodiment provides a seat frame, including a cushion support 1, a transmission assembly 2 arranged on the cushion support 1, a lumbar support assembly 3, a foot stool assembly 4, and a lumbar support assembly.
  • 3 is pivotally connected to the first end of the transmission assembly 2;
  • the footrest assembly 4 is pivotally connected to the second end of the transmission assembly 2, and the footrest assembly 4 is also connected to an external driving device so that the footrest assembly 4 It can be folded or unfolded under the drive of an external driving device and drives the transmission assembly 2 and the lumbar support assembly 3 to be folded or unfolded;
  • the lumbar support assembly 3 includes a lumbar support bracket 31 and a lumbar support rod group 32, as shown in Figure 2 combined with Figure 1
  • the lumbar support rod group 32 includes a support rod 321, a support rod 322 and a support rod 323.
  • the first end of the support rod 323 is pivotally connected with the cushion support 1, and the second end of the support rod 323 is connected to the waist support bracket.
  • 31 is pivotally connected, the first end of the second support bar 322 is connected to the transmission assembly 2, the second end of the second support bar 322 is pivotally connected with the third end of the third support bar 323, and the first end of the first support bar 321 is connected to the second support bar 321.
  • the third end of the rod 322 is pivotally connected, and the second end of the supporting rod 321 is pivotally connected with the lumbar support bracket 31; It can swing toward the direction of the footrest assembly 4 with the connection point of the first end of the first support bar 321 and the second support bar 322 as the rotation center.
  • the angle range between the upper end surface of the cushion support 1 and the horizontal plane is 16°-28°.
  • the lumbar support bracket 31 includes a lumbar support section 311 for supporting the waist, and the angle range between the lumbar support section 311 and the upper end surface of the seat cushion support 1 is 135°-150°, which increases the lumbar support support 31 opening angle.
  • the waist support assembly 3 is used to support the back of the human body
  • the foot stool assembly 4 is used to support the legs and feet of the human body.
  • the second end of the first rod 321 can swing in the direction of the foot stool assembly 4 with the connection point between the first end of the first rod 321 and the second rod 322 as the center of rotation, so as to increase the size of the lumbar support bracket 31 and the seat cushion bracket 1
  • the included angle between them increases the opening angle of the backrest to achieve zero-gravity effect.
  • the lumbar support assembly 3 also includes a lumbar support transmission rod group 33 and a lumbar support connection rod group 34 that are pivotally connected to the seat cushion bracket 1 respectively, and the lumbar support transmission rod group 33 is pivotally connected to the transmission assembly 2 and the lumbar support connection rod group.
  • the lumbar support connecting rod set 34 is pivotally connected between the lumbar support transmission rod set 33 and the lumbar support support rod set 32 .
  • the transmission assembly 2 is a transfer transmission rod, and the two ends of the transfer transmission rod 2 are pivotally connected with the waist support transmission rod group 33 and the foot stool assembly 4 respectively, and the external driving device directly drives the foot stool assembly 4 action, then transfer the driving force through the transfer transmission rod 2, drive the lumbar support transmission rod group 33 to drive the lumbar support connecting rod group 34 and the lumbar support rod group 32 linkage.
  • the lumbar support transmission rod group 33 includes a first transmission rod 331 , a second transmission rod 332 and a third transmission rod 333 , and the first transmission rod 331 is pivotally connected to the first end of the transfer transmission rod 2 ;
  • the first end of the second transmission rod 332 is pivotally connected to the first end of the first transmission rod 331, and the second end of the second transmission rod 332 is pivotally connected to the cushion bracket 1;
  • the first end of the third transmission rod 333 is connected to the second end of the first transmission rod 331 Pivot connection, the second end of the three transmission rods 333 is pivotally connected to the cushion support 1 .
  • FIGS. Rod 346, connecting seven rods 347 and connecting eight rods 348 the first end of connecting one rod 341 is pivotally connected with supporting two rods 322; the first end of connecting two rods 342 is pivotally connected with the second end of connecting one rod 341; The first end of three bars 343 is pivotally connected to the second end of connecting two bars 342; the first end of connecting four bars 344 is pivotally connected to the middle part of connecting three bars 343, and the second end of connecting four bars 344 is pivotally connected to transmission one On the bar 331; the first end connecting the five bars 345 is pivotally connected with the second end connecting the three bars 343; The two ends are pivotally connected to the middle part of the second bar 342; the first end of the seven bar 347 is pivotally connected to the first transmission bar 331, and the second end of the seven bar 347 is pivotally connected to the middle part of the six bar 346; the eight bar is connected The first end of 348 is pivotally connected to the middle part of connecting seven rods 347
  • the footrest couch assembly 4 includes one foot bar 41, two foot bars 42, three foot bars 43, four foot bars 44, five foot bars 45, pedal bracket 46 and six foot bars 47.
  • the first end of the first leg 41 is pivotally connected to the cushion bracket 1, and is pivotally connected to the second end of the transfer transmission rod 2; the first end of the second leg 42 is connected to the first end of the first leg 41 The two ends are pivotally connected; the first end of the three legs 43 is pivoted with the second end of the two legs 42; the first end of the four legs 44 is pivoted with the second end of the three legs 43;
  • the first end of the five rods 45 of the feet is pivotally connected to the second end of the four rods 44 of the feet, the second end of the five rods 45 of the feet is pivotally connected to the cushion support 1, and the five rods 45 of the feet are connected to the external drive through the adapter.
  • the device is fixedly connected; the first end of the pedal bracket 46 is pivotally connected to the three rods 43 of the foot, and the second end of the pedal bracket 46 is provided with a pedal attachment platform 461, which is set to attach the pedal; the six rods of the foot
  • the first end of 47 is pivotally connected with the four legs 44 , and the second end of the six legs 47 is pivotally connected with the pedal bracket 46 .
  • an intermediate couch attachment platform 431 is provided on the three legs 43 for attaching the intermediate couch.
  • the transfer transmission rod 2 may also be shaped as a strip, and the shape of the three transmission rods 333 may be curved.
  • the first end of the three transmission rods 333 is pivotally connected with the second end of the first transmission rod 331
  • the second end of the three transmission rods 333 is pivotally connected with the seat cushion support 1
  • the third end of the three transmission rods 333 is connected with the transfer transmission.
  • the first end of the rod 2 is pivotally connected.
  • the lumbar connecting rod group 34 also includes nine connecting rods 349, and the first end of the nine connecting rods 349 is pivotally connected to the second end of the first connecting rod 341, and the second end of the connecting nine rods 349 is connected to the second end of the second connecting rod 342.
  • the first end is pivotally connected, that is, the first connecting rod 341 and the second connecting rod 342 are pivotally connected through the connecting nine rods 349 .
  • This embodiment also provides a seat, including the above-mentioned seat frame.
  • a seat including the above-mentioned seat frame.

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  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Passenger Equipment (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Abstract

一种座椅架及座椅，座椅架利用腰靠组件(3)对人体腰背进行支撑，利用脚部凳榻组件(4)对人体腿部及脚部进行支撑，同时当腰靠组件(3)展开时，在支撑二杆(322)的带动下，支撑一杆(321)的第二端能以支撑一杆(321)的第一端与支撑二杆(322)的连接点为转动中心朝向脚部凳榻组件(4)的方向摆动，以增大腰靠支架(31)与坐垫支架(1)之间的夹角，即增大了靠背打开的角度，实现零重力效果。本座椅通过应用上述座椅架，提高了座椅舒适度。

Description

座椅架及座椅
本申请要求申请日为2021年5月18日、申请号为202121058656.0的中国专利申请的优先权，该申请的全部内容通过引用结合在本申请中。
技术领域
本申请涉及家具技术领域，例如涉及一种座椅架及座椅。
背景技术
零重力座椅是将零重力原理和座椅技术结合在一起设计而成，利用座椅的人体工学设计和零重力技术以使乘坐人员的小腿水平线高于心脏位置，进而处于自然状态，可抵制地球引力所带来的不适，同时将人体的重心放在臀部脂肪，其他身体部位不受压力，以使身体放松。
但是，目前市面上的零重力座椅的靠背打开角度不够大，舒适度低。
发明内容
本申请提供一种座椅架，能增大靠背打开的角度，实现零重力效果，舒适度更高。
本申请还提供一种座椅，通过应用上述座椅架，提高了座椅舒适度。
一方面，提供了一种座椅架，包括坐垫支架和设置于所述坐垫支架上的传动组件、腰靠组件以及脚部凳榻组件；
其中，所述腰靠组件枢接于所述传动组件的第一端；所述腰靠组件包括腰靠支架和腰靠支撑杆组，所述腰靠支撑杆组包括支撑一杆、支撑二杆和支撑三杆，所述支撑三杆的第一端与所述坐垫支架枢接，所述支撑三杆的第二端与所述腰靠支架枢接，所述支撑二杆的第一端与所述传动组件传动连接，所述支撑二杆的第二端与所述支撑三杆的第三端枢接，所述支撑一杆的第一端与所述支撑二杆的第三端枢接，所述支撑一杆的第二端与所述腰靠支架枢接；
所述腰靠组件设置为成：当所述腰靠组件展开时，在所述支撑二杆的带动下，所述支撑一杆的第二端能以所述支撑一杆的第一端与所述支撑二杆的连接点为转动中心朝向所述脚部凳榻组件的方向摆动；
所述脚部凳榻组件枢接于所述传动组件的第二端，所述脚部凳榻组件还与 外部驱动装置连接，且设置成能在所述外部驱动装置的驱动下收拢或展开并带动所述传动组件及所述腰靠组件收拢或展开。
另一方面，提供了一种座椅，包括上述座椅架。
附图说明
图1为本申请实施例中座椅架展开时的结构示意图；
图2为本申请实施例中腰靠支撑杆组的结构示意图；
图3为本申请实施例中腰靠连接杆组的结构示意图；
图4为本申请实施例中一个视角的腰靠连接杆组与坐垫支架的连接关系示意图；
图5为本申请实施例中另一个视角的腰靠连接杆组与坐垫支架的连接关系示意图；
图6为本申请实施例中座椅架收拢时的结构示意图；
图7为一实施例提供的座椅架展开时的结构示意图。
附图标记：
1、坐垫支架；
2、传动组件；
3、腰靠组件；
31、腰靠支架；311、腰靠段；
32、腰靠支撑杆组；321、支撑一杆；322、支撑二杆；323、支撑三杆；
33、腰靠传动杆组；331、传动一杆；332、传动二杆；333、传动三杆；
34、腰靠连接杆组；341、连接一杆；342、连接二杆；343、连接三杆；344、连接四杆；345、连接五杆；346、连接六杆；347、连接七杆；348、连接八杆；349、连接九杆；
4、脚部凳榻组件；41、脚部一杆；42、脚部二杆；43、脚部三杆；431、中间凳榻附接平台；44、脚部四杆；45、脚部五杆；46、脚踏支架；461、脚踏附接平台；47、脚部六杆。
具体实施方式
应注意到：相似的标号和字母在下面的附图中表示类似项，因此，一旦某一项在一个附图中被定义，则在随后的附图中不需要对其进行进一步定义和解 释。
在本申请的描述中，需要说明的是，术语“上”、“下”、“左”、“右”、“竖直”、“水平”、“内”、“外”等指示的方位或位置关系为基于附图所示的方位或位置关系，或者是该申请产品使用时惯常摆放的方位或位置关系，仅是为了便于描述本申请和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本申请的限制。此外，术语“第一”、“第二”、“第三”等仅用于区分描述，而不能理解为指示或暗示相对重要性。在本申请的描述中，除非另有说明，“多个”的含义是两个或两个以上。
在本申请的描述中，还需要说明的是，除非另有明确的规定和限定，术语“设置”、“连接”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或一体地连接；可以是机械连接，也可以是电连接。对于本领域的普通技术人员而言，可以具体情况理解上述术语在本申请中的具体含义。
在本申请中，除非另有明确的规定和限定，第一特征在第二特征之“上”或之“下”可以包括第一和第二特征直接接触，也可以包括第一和第二特征不是直接接触而是通过它们之间的另外的特征接触。而且，第一特征在第二特征“之上”、“上方”和“上面”包括第一特征在第二特征正上方和斜上方，或仅仅表示第一特征水平高度高于第二特征。第一特征在第二特征“之下”、“下方”和“下面”包括第一特征在第二特征正下方和斜下方，或仅仅表示第一特征水平高度小于第二特征。
下面详细描述本申请的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，仅用于解释本申请，而不能理解为对本申请的限制。
如图1-图6所示，本实施例提供一种座椅架，包括坐垫支架1和设置于坐垫支架1上的传动组件2、腰靠组件3和脚部凳榻组件4，腰靠组件3枢接于传动组件2的第一端；脚部凳榻组件4枢接于传动组件2的第二端，脚部凳榻组件4还与外部驱动装置连接，以使脚部凳榻组件4能在外部驱动装置的驱动下收拢或展开并带动传动组件2及腰靠组件3收拢或展开；腰靠组件3包括腰靠支架31和腰靠支撑杆组32，如图2结合图1所示，腰靠支撑杆组32包括支撑一杆321、支撑二杆322和支撑三杆323，支撑三杆323的第一端与坐垫支架1枢接，支撑三杆323的第二端与腰靠支架31枢接，支撑二杆322的第一端与传动组件2传动连接，支撑二杆322的第二端与支撑三杆323的第三端枢接，支 撑一杆321的第一端与支撑二杆322的第三端枢接，支撑一杆321的第二端与腰靠支架31枢接；当腰靠组件3展开时，在支撑二杆322的带动下，支撑一杆321的第二端能以支撑一杆321的第一端与支撑二杆322的连接点为转动中心朝向脚部凳榻组件4的方向摆动。
可选地，坐垫支架1的上端面与水平面之间的夹角范围为16°-28°。
可选地，腰靠支架31包括用于支撑腰部的腰靠段311，腰靠段311与坐垫支架1的上端面之间的夹角范围为135°-150°，增大了腰靠支架31的打开角度。
其中，利用腰靠组件3对人体腰背进行支撑，利用脚部凳榻组件4对人体腿部及脚部进行支撑，同时当腰靠组件3展开时，在支撑二杆322的带动下，支撑一杆321的第二端能以支撑一杆321的第一端与支撑二杆322的连接点为转动中心朝向脚部凳榻组件4的方向摆动，以增大腰靠支架31与坐垫支架1之间的夹角，即增大了靠背打开的角度，实现零重力效果。
可选地，腰靠组件3还包括分别与坐垫支架1枢接的腰靠传动杆组33和腰靠连接杆组34，腰靠传动杆组33枢接于传动组件2与腰靠连接杆组34之间，腰靠连接杆组34枢接于腰靠传动杆组33与腰靠支撑杆组32之间。
可选地，传动组件2为一个转接传动杆，转接传动杆2的两端分别与腰靠传动杆组33和脚部凳榻组件4枢接，外部驱动装置直接驱动脚部凳榻组件4动作，再通过转接传动杆2传递驱动力，驱动腰靠传动杆组33带动腰靠连接杆组34及腰靠支撑杆组32联动。
可选地，参考图1和图4，腰靠传动杆组33包括传动一杆331、传动二杆332和传动三杆333，传动一杆331与转接传动杆2的第一端枢接；传动二杆332第一端与传动一杆331的第一端枢接，传动二杆332的第二端与坐垫支架1枢接；传动三杆333第一端与传动一杆331的第二端枢接，传动三杆333的第二端与坐垫支架1枢接。
可选地，如图3-图5结合图1所示，腰靠连接杆组34包括连接一杆341、连接二杆342、连接三杆343、连接四杆344、连接五杆345、连接六杆346、连接七杆347和连接八杆348，连接一杆341的第一端与支撑二杆322枢接；连接二杆342的第一端与连接一杆341的第二端枢接；连接三杆343的第一端与连接二杆342的第二端枢接；连接四杆344的第一端枢接于连接三杆343的中部，连接四杆344的第二端枢接于传动一杆331上；连接五杆345的第一端与连接三杆343的第二端枢接；连接六杆346的第一端与连接五杆345的第二端枢接， 连接六杆346的第二端枢接于连接二杆342的中部；连接七杆347的第一端枢接于传动一杆331上，连接七杆347的第二端枢接于连接六杆346的中部；连接八杆348的第一端枢接于连接七杆347的中部，连接八杆348的第二端枢接于连接五杆345的中部。连接七杆347为十字形结构，其中，连接八杆348连接于连接七杆347十字结构的第三端。
可选地，脚部凳榻组件4包括脚部一杆41、脚部二杆42、脚部三杆43、脚部四杆44、脚部五杆45、脚踏支架46和脚部六杆47，脚部一杆41的第一端枢接于坐垫支架1上，并与转接传动杆2的第二端枢接；脚部二杆42的第一端与脚部一杆41的第二端枢接；脚部三杆43的第一端与脚部二杆42的第二端枢接；脚部四杆44的第一端与脚部三杆43的第二端枢接；脚部五杆45的第一端与脚部四杆44的第二端枢接，脚部五杆45的第二端枢接于坐垫支架1上，脚部五杆45通过转接件与外部驱动装置固定连接；脚踏支架46的第一端枢接于脚部三杆43上，脚踏支架46的第二端设有脚踏附接平台461，设置为附接脚踏；脚部六杆47的第一端与脚部四杆44枢接，脚部六杆47的第二端枢接于脚踏支架46上。
可选地，脚部三杆43上设有中间凳榻附接平台431，设置为附接中间凳榻。
在一实施例中，如图7所示，还可以将转接传动杆2的形状设为长条状，将传动三杆333的形状设为弯曲状。此时传动三杆333的第一端与传动一杆331的第二端枢接，传动三杆333的第二端与座垫支架1枢接，传动三杆333的第三端与转接传动杆2的第一端枢接。此外，腰靠连接杆组34还包括连接九杆349，且连接九杆349的第一端与连接一杆341的第二端枢接，连接九杆349的第二端与连接二杆342的第一端枢接，即连接一杆341和连接二杆342通过连接九杆349进行枢接。其余结构以及相互之间的连接关系不变，可参考图1-图6及上文相关描述。
本实施例还提供了一种座椅，包括如上述的座椅架。通过应用上述座椅架，提高了座椅舒适度。

Claims (12)

  1. 一种座椅架，包括坐垫支架(1)和设置于所述坐垫支架(1)上的传动组件(2)、腰靠组件(3)以及脚部凳榻组件(4)；
    其中，所述腰靠组件(3)枢接于所述传动组件(2)的第一端；所述腰靠组件(3)包括腰靠支架(31)和腰靠支撑杆组(32)，所述腰靠支撑杆组(32)包括支撑一杆(321)、支撑二杆(322)和支撑三杆(323)，所述支撑三杆(323)的第一端与所述坐垫支架(1)枢接，所述支撑三杆(323)的第二端与所述腰靠支架(31)枢接，所述支撑二杆(322)的第一端与所述传动组件(2)传动连接，所述支撑二杆(322)的第二端与所述支撑三杆(323)的第三端枢接，所述支撑一杆(321)的第一端与所述支撑二杆(322)的第三端枢接，所述支撑一杆(321)的第二端与所述腰靠支架(31)枢接；
    所述腰靠组件(3)设置成：当所述腰靠组件(3)展开时，在所述支撑二杆(322)的带动下，所述支撑一杆(321)的第二端能以所述支撑一杆(321)的第一端与所述支撑二杆(322)的连接点为转动中心朝向所述脚部凳榻组件(4)的方向摆动；
    所述脚部凳榻组件(4)枢接于所述传动组件(2)的第二端，所述脚部凳榻组件(4)还与外部驱动装置连接，且设置成能在所述外部驱动装置的驱动下收拢或展开并带动所述传动组件(2)及所述腰靠组件(3)收拢或展开。
  2. 根据权利要求1所述的座椅架，其中，所述腰靠组件(3)还包括分别与所述坐垫支架(1)枢接的腰靠传动杆组(33)和腰靠连接杆组(34)，所述腰靠传动杆组(33)枢接于所述传动组件(2)与所述腰靠连接杆组(34)之间，所述腰靠连接杆组(34)枢接于所述腰靠传动杆组(33)与所述腰靠支撑杆组(32)之间。
  3. 根据权利要求2所述的座椅架，其中，所述传动组件(2)为一个转接传动杆，所述转接传动杆(2)的两端分别与所述腰靠传动杆组(33)和所述脚部凳榻组件(4)枢接。
  4. 根据权利要求3所述的座椅架，其中，所述腰靠传动杆组(33)包括：
    传动一杆(331)，与所述转接传动杆(2)的第一端枢接；
    传动二杆(332)，传动二杆(332)的第一端与所述传动一杆(331)的第一端枢接，传动二杆(332)的第二端与所述坐垫支架(1)枢接；
    传动三杆(333)，传动三杆(333)的第一端与所述传动一杆(331)的第二端枢接，传动三杆(333)的第二端与所述坐垫支架(1)枢接。
  5. 根据权利要求3所述的座椅架，其中，所述腰靠传动杆组(33)包括：
    传动一杆(331)；
    传动二杆(332)，传动二杆(332)的第一端与所述传动一杆(331)的第一端枢接， 传动二杆(332)的第二端与所述坐垫支架(1)枢接；
    传动三杆(333)，传动三杆(333)的第一端与所述传动一杆(331)的第二端枢接，传动三杆(333)的第二端与所述坐垫支架(1)枢接；传动三杆(333)的第三端与所述转接传动杆(2)的第一端枢接。
  6. 根据权利要求5所述的座椅架，其中，所述腰靠连接杆组(34)包括：
    连接一杆(341)，连接一杆(341)的第一端与所述支撑二杆(322)枢接；
    连接二杆(342)；
    连接三杆(343)，连接三杆(343)的第一端与所述连接二杆(342)的第二端枢接；
    连接四杆(344)，连接四杆(344)的第一端枢接于所述连接三杆(343)上，连接四杆(344)的第二端枢接于所述传动一杆(331)上；
    连接五杆(345)，连接五杆(345)的第一端与所述连接三杆(343)的第二端枢接；
    连接六杆(346)，连接六杆(346)的第一端与所述连接五杆(345)的第二端枢接，连接六杆(346)的第二端枢接于所述连接二杆(342)上；
    连接七杆(347)，连接七杆(347)的第一端枢接于所述传动一杆(331)上，连接七杆(347)的第二端枢接于所述连接六杆(346)上；
    连接八杆(348)，连接八杆(348)的第一端枢接于所述连接七杆(347)上，连接八杆(348)的第二端枢接于所述连接五杆(345)上；
    连接九杆(349)，连接九杆(349)的第一端与连接一杆(341)的第二端枢接，连接九杆(349)的第二端与连接二杆(342)的第一端枢接。
  7. 根据权利要求4所述的座椅架，其中，所述腰靠连接杆组(34)包括：
    连接一杆(341)，连接一杆(341)的第一端与所述支撑二杆(322)枢接；
    连接二杆(342)，连接二杆(342)的第一端与所述连接一杆(341)的第二端枢接；
    连接三杆(343)，连接三杆(343)的第一端与所述连接二杆(342)的第二端枢接；
    连接四杆(344)，连接四杆(344)的第一端枢接于所述连接三杆(343)上，连接四杆(344)的第二端枢接于所述传动一杆(331)上；
    连接五杆(345)，连接五杆(345)的第一端与所述连接三杆(343)的第二端枢接；
    连接六杆(346)，连接六杆(346)的第一端与所述连接五杆(345)的第二端枢接，连接六杆(346)的第二端枢接于所述连接二杆(342)上；
    连接七杆(347)，连接七杆(347)的第一端枢接于所述传动一杆(331)上，连接七杆(347)的第二端枢接于所述连接六杆(346)上；
    连接八杆(348)，连接八杆(348)的第一端枢接于所述连接七杆(347)上，连接 八杆(348)的第二端枢接于所述连接五杆(345)上。
  8. 根据权利要求3所述的座椅架，其中，所述脚部凳榻组件(4)包括：
    脚部一杆(41)，其第一端枢接于所述坐垫支架(1)上，并与所述转接传动杆(2)的第二端枢接；
    脚部二杆(42)，其第一端与所述脚部一杆(41)的第二端枢接；
    脚部三杆(43)，其第一端与所述脚部二杆(42)的第二端枢接；
    脚部四杆(44)，其第一端与所述脚部三杆(43)的第二端枢接；
    脚部五杆(45)，脚部五杆(45)的第一端与所述脚部四杆(44)的第二端枢接，脚部五杆(45)的第二端枢接于所述坐垫支架(1)上，所述脚部五杆(45)通过转接件与所述外部驱动装置固定连接；
    脚踏支架(46)，脚踏支架(46)的第一端枢接于所述脚部三杆(43)上，脚踏支架(46)的第二端设有脚踏附接平台(461)；
    脚部六杆(47)，脚部六杆(47)的第一端与所述脚部四杆(44)枢接，脚部六杆(47)的第二端枢接于所述脚踏支架(46)上。
  9. 根据权利要求8所述的座椅架，其中，所述脚部三杆(43)上设有中间凳榻附接平台(431)。
  10. 根据权利要求1-9任一项所述的座椅架，其中，所述坐垫支架(1)的上端面与水平面之间的夹角范围为16°-28°。
  11. 根据权利要求1-9任一项所述的座椅架，其中，所述腰靠支架(31)包括用于支撑腰部的腰靠段(311)，所述腰靠段(311)与所述坐垫支架(1)的上端面之间的夹角范围为135°-150°。
  12. 一种座椅，包括如权利要求1-11任一项所述的座椅架。
PCT/CN2021/114117 2021-05-18 2021-08-23 座椅架及座椅 WO2022241965A1 (zh)

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