WO2022188631A1 - 一种老人椅支架及老人椅 - Google Patents

一种老人椅支架及老人椅 Download PDF

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Publication number
WO2022188631A1
WO2022188631A1 PCT/CN2022/077555 CN2022077555W WO2022188631A1 WO 2022188631 A1 WO2022188631 A1 WO 2022188631A1 CN 2022077555 W CN2022077555 W CN 2022077555W WO 2022188631 A1 WO2022188631 A1 WO 2022188631A1
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WO
WIPO (PCT)
Prior art keywords
support
rod
pivot point
elderly
support plate
Prior art date
Application number
PCT/CN2022/077555
Other languages
English (en)
French (fr)
Inventor
李龙
叶琦琦
杨利明
周炜尧
沈斌
陶康明
王国伟
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 US18/281,361 priority Critical patent/US20240148144A1/en
Priority to CN202290000331.3U priority patent/CN220916959U/zh
Publication of WO2022188631A1 publication Critical patent/WO2022188631A1/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
    • A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
    • A47C1/024—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination
    • A47C1/0242—Reclining or easy chairs having independently-adjustable supporting parts the parts, being the back-rest, or the back-rest and seat unit, having adjustable and lockable inclination by electric motors
    • 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
    • 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
    • A47C7/5062—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type rectilinearly
    • 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
    • A47C7/5066—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type by rotation

Definitions

  • the present application relates to the technical field of mechanical devices, for example, to an elderly chair support and an elderly chair.
  • the health of the elderly has also been gradually paid attention to, and product design suitable for the elderly will become the focus of services in an aging society.
  • Most of the elderly have poor legs and feet, and it will be more difficult to stand for a long time.
  • the sitting and lying time is much longer than the standing time.
  • the elderly chair is aimed at the elderly.
  • the elderly chair in the related art has poor stability and complex structure.
  • the present application provides an elderly chair bracket and an elderly chair to solve the problems of poor stability and complex structure of the elderly chair in the related art.
  • the present application provides a support for an elderly chair, comprising: a base, a first drive assembly, a power rod, a support assembly, a leg assembly, a first lift rod, and a second lift rod;
  • the support assembly includes a support plate and an anti-torsion tube fixedly connected to the support plate; both ends of the first lift rod are pivotally connected to the support plate and the base, respectively, and two ends of the second lift rod are pivotally connected to the support plate and the base respectively. The ends are pivotally connected with the support plate and the base respectively;
  • the first drive assembly can drive the power rod to rotate relative to the support plate to have a first position and a second position, and when the power rod is in the first position, the leg assembly is extended and The anti-torsion tube is abutted against the base, and when the power rod is in the second position, the leg assembly is retracted and the anti-torsion tube is a first distance from the base, and at the When the power rod is located at the second position, the first driving component can drive the power rod to drive the support plate to move synchronously, so that the support plate is a second distance from the base.
  • the present application further provides a chair for the elderly, including the above-mentioned chair support for the elderly.
  • FIG. 1 is a schematic structural diagram of an elderly chair support provided by a specific embodiment of the present application.
  • FIG. 2 is a schematic structural diagram of a base of a support for an elderly chair provided by a specific embodiment of the present application;
  • FIG. 3 is a schematic structural diagram along a first direction of a leg assembly and a support assembly of a chair support for the elderly provided by a specific embodiment of the present application;
  • FIG. 4 is a schematic structural diagram along the second direction of the leg assembly and the support assembly of the elderly chair support provided by the specific embodiment of the present application;
  • FIG. 5 is a schematic structural diagram of a leg assembly of an elderly chair support provided by a specific embodiment of the present application.
  • FIG. 6 is a schematic structural diagram of a support assembly of an elderly chair bracket provided by a specific embodiment of the present application.
  • the base 11. The first support rod; 12, The second support rod; 13, The third support rod; 14, The fourth support rod; 15, The support seat; 16, The support plate;
  • connection should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between the two elements.
  • connection may be a fixed connection, a detachable connection, or an integrated ; It can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, and it can be the internal connection of two elements or the interaction relationship between the two elements.
  • a first feature "on” or “under” a second feature may include direct contact between the first and second features, or may include the first and second features Not directly but through additional features between them.
  • the first feature being “above”, “over” and “above” the second feature includes the first feature being directly above and obliquely above the second feature, or simply means that the first feature is level higher than the second feature.
  • the first feature is “below”, “below” and “below” the second feature includes the first feature being directly below and diagonally below the second feature, or simply means that the first feature has a lower level than the second feature.
  • the present application provides an elderly chair bracket and an elderly chair.
  • the elderly chair bracket has high stability and a simple structure.
  • the elderly chair bracket includes a base 1 , a first drive assembly, a power rod 3 , a support assembly, a leg assembly 5 , a first lift rod 6 and a second lift rod 7
  • the support assembly includes a support plate 41 and a torsion tube 42 fixedly connected to the support plate 41
  • the two ends of the first lift rod 6 are pivotally connected to the support plate 41 and the base 1, respectively
  • the two ends of the second lift rod 7 are respectively connected to the support
  • the plate 41 is pivotally connected to the base 1, and the first drive assembly can drive the power rod 3 to rotate relative to the support plate 41 to have a first position and a second position.
  • the leg assembly 5 When the power rod 3 is in the first position, the leg assembly 5 is stretched and is resistant to torsion The tube 42 abuts against the base 1, when the power rod 3 is in the second position, the leg assembly 5 is retracted, and the anti-torsion tube 42 is at a first distance from the base 1, and when the power rod 3 is in the second position, the first drive assembly can
  • the driving power rod 3 drives the supporting plate 41 to move synchronously, so that the supporting plate 41 is a second distance away from the base 1 .
  • the first drive assembly drives the power rod 3 to rotate relative to the support plate 41 to have a first position and a second position.
  • the leg assembly 5 is stretched, and the anti-torsion tube 42 is in contact with the base 1 .
  • the leg assembly 5 is retracted, and the anti-torsion tube 42 is at a first distance from the base 1, and when the power rod 3 is in the second position, the first drive assembly continues to drive the power away from the first position.
  • the rod 3 can drive the power rod 3 to drive the support plate 41 to move synchronously, so that the support plate 41 is a second distance away from the base 1 .
  • the power rod 3 can drive the leg assembly 5 to move to have a retracted state and an extended state.
  • the support plate 41 will move relative to the base 1 under the driving of the power rod 3 and be lifted to a second distance, so that the support of the elderly chair has a sitting state and a lifting state.
  • the support assembly includes a support plate 41 and an anti-torsion tube 42 fixedly connected to the support plate 41 .
  • the anti-torsion tube 42 abuts against the base 1 when the leg assembly 5 is stretched, which can improve the stability of the chair support for the elderly.
  • the elderly chair support has high stability and simple structure.
  • the first drive assembly includes a first electric push rod 21 and a first connecting rod 22, one end of the first electric push rod 21 is hinged with the base 1, and the other end is hinged with the first connecting rod 22,
  • the first connecting rod 22 is connected with the power rod 3 .
  • the first electric push rod 21 drives the power rod 3 to rotate relative to the support plate 41 through the first connecting rod 22 .
  • the support plate 41 is provided with a guide groove
  • the power rod 3 is provided with a guide column 31
  • the guide column 31 slides through the guide groove
  • the guide column 31 is connected with the first connecting rod 22 .
  • the first electric push rod 21 drives the first connecting rod 22 to drive the power rod 3 to move.
  • the power rod 3 is also provided with a connecting column 32 , the connecting column 32 rotates in the connecting hole on the support plate 41 , and the auxiliary power rod 3 rotates relative to the support plate 41 .
  • the leg assembly 5 includes a first extension piece 51 , a second extension piece 52 , a third extension piece 53 , a fourth extension piece 54 , a fifth extension piece 55 , and a sixth extension piece 56, the seventh extending member 57 and the supporting member 58, the first extending member 51 and the support plate 41 are pivotally connected to the first pivot point, and the second extending member 52 is connected to the first extending member 51, the third extending member 53 and the The power rod 3 is pivotally connected to the second pivot point, the third pivot point and the fourth pivot point. The third pivot point is located between the second pivot point and the fourth pivot point.
  • the fourth extension member 54 is connected to the third extension member 53 in turn.
  • the support plate 41 and the fifth extension piece 55 are pivotally connected to the fifth pivot point, the sixth pivot point and the seventh pivot point, the fifth pivot point is located between the sixth pivot point and the seventh pivot point, and the fifth extension piece 55 It is pivotally connected with the support member 58, one end of the sixth extension member 56 is pivotally connected with the support plate 41 at the eighth pivot point, and the other end is pivotally connected with the seventh extension member 57, and the seventh extension member 57 is pivotally connected with the support member 58, The sixth pivot point is located between the first pivot point and the eighth pivot point.
  • a guide block 561 is provided on the sixth extension piece 56 , and the guide block 561 can abut against the fifth extension piece 55 .
  • the power rod 3 rotates relative to the support plate 41 , the power rod 3 drives the second stretch piece 52 to move, the second stretch piece 52 drives the fourth stretch piece 54 to move through the third stretch piece 53 , and the fourth stretch piece 54 drives the fifth stretch piece 54 to move.
  • 55 moves, the guide block 561 provided on the sixth extension 56 abuts against the fifth extension 55, the fifth extension 55 can drive the sixth extension 56 to move, and the sixth extension 56 drives the seventh extension 57 to move , the fifth extension member 55 and the seventh extension member 57 together drive the support member 58 to move, so as to realize the extension or contraction of the leg assembly 5 .
  • FIG. 1 optionally, it also includes a second drive assembly and an angle adjustment member 9 , the angle adjustment member 9 is hinged with the backrest link 10 , the backrest link 10 is hinged with the support plate 41 , and the second drive assembly can drive the angle The adjusting member 9 rotates relative to the support plate 41 .
  • the angle adjusting member 9 is driven to rotate relative to the support plate 41 by the second driving assembly, so as to realize the adjustment of the backrest angle of the elderly chair.
  • the second drive assembly includes a second electric push rod 81 and a second connecting rod 82, one end of the second electric push rod 81 is hinged with the third connecting rod 20, and the other end of the second electric push rod 81 is connected with the second electric push rod 81.
  • the rod 82 is hinged, the second connecting rod 82 is fixedly connected with the support plate 41 , and the third connecting rod 20 is fixedly connected with the angle adjusting member 9 .
  • the electric push rod has the characteristics of small size, high precision and good self-locking performance.
  • the base 1 includes a first support rod 11 , a second support rod 12 , a third support rod 13 and a fourth support rod 14 , which are fixedly connected end to end in sequence and are enclosed in a rectangle.
  • a support base 15 is fixed on the rod 11 and the third support rod 13
  • a support plate 16 is fixed on the support base 15
  • the anti-torsion tube 42 can abut against the support plate 16 .
  • a buffer pad is provided on the support plate 16 .
  • the bumper can cushion the collision between the anti-torsion tube 42 and the support plate 16 .
  • the number of the support plates 41 and the leg assemblies 5 is two, the two support plates 41 and the two leg assemblies 5 are connected in a one-to-one correspondence, and the two ends of the anti-torsion tube 42 are fixedly connected to the two supports respectively. plate 41 to make the chair support more stable.
  • An elderly chair comprising the above-mentioned elderly chair bracket.

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  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs Characterized By Structure (AREA)
  • Rehabilitation Tools (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Abstract

一种老人椅支架及老人椅，老人椅支架的支撑组件包括支撑板(41)和与支撑板(41)固定连接的抗扭管(42)；第一抬升杆(6)的两端分别与支撑板(41)和底座(1)枢接，第二抬升杆(7)的两端分别与支撑板(41)和底座(1)枢接，第一驱动组件能驱动动力杆(3)相对支撑板(41)转动而具有第一位置和第二位置，在动力杆(3)位于第一位置的情况下，腿部组件(5)伸张且抗扭管(42)抵接于底座(1)，在动力杆(3)位于第二位置的情况下，腿部组件(5)收缩且抗扭管(42)距底座(1)第一距离，并且在动力杆(3)位于第二位置的情况下，第一驱动组件能驱动动力杆(3)带动支撑板(41)同步运动，以使支撑板(41)距底座(1)第二距离。老人椅支架及老人椅稳定性高且结构简单。

Description

一种老人椅支架及老人椅
本申请要求在2021年3月11日提交中国专利局、申请号为202120515358.3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
本申请涉及机械装置技术领域，例如涉及一种老人椅支架及老人椅。
背景技术
随着人们生活水平的不断提高，老年人的健康也被逐渐重视，适合老年人的产品设计将成为老龄化社会的服务重点，随着年龄逐渐增大，老年人的骨质逐渐酥松，导致大多数老年人的腿脚不好，长时间站立会比较吃力，坐和躺的时间远大于站立时间，由此，老人椅的需求会与日俱增，在国内市场有很大的开拓空间，老人椅是针对老年人身体情况设计的机械装置，具有帮助老年人调整坐姿和辅助站立等功能。但相关技术中的老人椅稳定性不好且结构复杂。
发明内容
本申请提供一种老人椅支架及老人椅，以解决相关技术中的老人椅稳定性不好且结构复杂的问题。
第一方面，本申请提供一种老人椅支架，包括：底座、第一驱动组件、动力杆、支撑组件、腿部组件、第一抬升杆和第二抬升杆；
所述支撑组件包括支撑板和与所述支撑板固定连接的抗扭管；所述第一抬升杆的两端分别与所述支撑板和所述底座枢接，所述第二抬升杆的两端分别与所述支撑板和所述底座枢接；
所述第一驱动组件能驱动所述动力杆相对所述支撑板转动而具有第一位置和第二位置，在所述动力杆位于所述第一位置的情况下，所述腿部组件伸张且所述抗扭管抵接于所述底座，在所述动力杆位于所述第二位置的情况下，所述 腿部组件收缩且所述抗扭管距所述底座第一距离，并且在所述动力杆位于所述第二位置的情况下，所述第一驱动组件能驱动所述动力杆带动所述支撑板同步运动，以使所述支撑板距所述底座第二距离。
第二方面，本申请还提供一种老人椅，包括上述的老人椅支架。
附图说明
图1是本申请具体实施例提供的老人椅支架的结构示意图；
图2是本申请具体实施例提供的老人椅支架的底座的结构示意图；
图3是本申请具体实施例提供的老人椅支架的腿部组件和支撑组件的沿第一方向结构示意图；
图4是本申请具体实施例提供的老人椅支架的腿部组件和支撑组件的沿第二方向结构示意图；
图5是本申请具体实施例提供的老人椅支架的腿部组件的结构示意图；
图6是本申请具体实施例提供的老人椅支架的支撑组件的结构示意图。
图中：
1、底座；11、第一支撑杆；12、第二支撑杆；13、第三支撑杆；14、第四支撑杆；15、支撑座；16、支板；
21、第一电推杆；22、第一连接杆；
3、动力杆；31、导向柱；32、连接柱；
41、支撑板；42、抗扭管；
5、腿部组件；51、第一伸展件；52、第二伸展件；53、第三伸展件；54、第四伸展件；55、第五伸展件；56、第六伸展件；57、第七伸展件；58、承托件；561、导向块；
6、第一抬升杆；
7、第二抬升杆；
81、第二电推杆；82、第二连接杆；
9、角度调节件；
10、靠背连杆；
20、第三连接杆。
具体实施方式
下面结合附图和实施例对本申请作详细说明。
在本申请的描述中，除非另有明确的规定和限定，术语“相连”、“连接”、“固定”应做广义理解，例如，可以是固定连接，也可以是可拆卸连接，或成一体；可以是机械连接，也可以是电连接；可以是直接相连，也可以通过中间媒介间接相连，可以是两个元件内部的连通或两个元件的相互作用关系。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。
在本实施例的描述中，术语“上”、“下”、“右”等方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述和简化操作，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”仅仅用于在描述上加以区分，并没有特殊的含义。
本申请提供一种老人椅支架及老人椅，该老人椅支架的稳定性高且结构简单。
如图1、图4和图6所示，该老人椅支架包括底座1、第一驱动组件、动力杆3、支撑组件、腿部组件5、第一抬升杆6和第二抬升杆7，其中，支撑组件包括支撑板41和与支撑板41固定连接的抗扭管42；第一抬升杆6的两端分别与支撑板41和底座1枢接，第二抬升杆7的两端分别与支撑板41和底座1枢接，第一驱动组件能驱动动力杆3相对支撑板41转动而具有第一位置和第二位置，当动力杆3位于第一位置时腿部组件5伸张，且抗扭管42抵接于底座1，当动力杆3位于第二位置时腿部组件5收缩，且抗扭管42距底座1第一距离，并且当动力杆3位于第二位置，第一驱动组件能驱动动力杆3带动支撑板41同步运动，以使支撑板41距底座1第二距离。
第一驱动组件驱动动力杆3相对支撑板41转动而具有第一位置和第二位置，当动力杆3位于第一位置时腿部组件5伸张，且抗扭管42抵接于底座1，当动力杆3位于第二位置时腿部组件5收缩，且抗扭管42距底座1第一距离，并且当动力杆3位于第二位置，第一驱动组件继续向远离第一位置的方向驱动动力杆3，则能驱动动力杆3带动支撑板41同步运动，以使支撑板41距底座1第二距离。在第一驱动组件的驱动下，动力杆3能带动腿部组件5运动而具有收缩状态和伸张状态，并且由于第一抬升杆6、第二抬升杆7、支撑板41和底座1组成四连杆机构，支撑板41会在动力杆3的带动下相对底座1运动，抬升至第二距离，以使该老人椅支架具有坐姿状态和抬升状态。支撑组件包括支撑板41和与支撑板41固定连接的抗扭管42，抗扭管42会在腿部组件5伸张时抵接于底座1，能够提高老人椅支架的稳定性。该老人椅支架的稳定性高且结构简单。
如图1所示，可选地，第一驱动组件包括第一电推杆21和第一连接杆22，第一电推杆21一端与底座1铰接，另一端与第一连接杆22铰接，第一连接杆22与动力杆3连接。第一电推杆21通过第一连接杆22驱动动力杆3相对支撑板41转动。
如图4所示，可选地，支撑板41上设置有导向槽，动力杆3上设置有导向柱31，导向柱31滑动穿设于导向槽，导向柱31与第一连接杆22连接。第一电 推杆21驱动第一连接杆22带动动力杆3运动，动力杆3上设置的导向柱31在支撑板41上的导向槽内滑动，以使动力杆3相对支撑板41转动。动力杆3上还设置有连接柱32，连接柱32在支撑板41上的连接孔里转动，辅助动力杆3相对支撑板41转动。
如图3-5所示，可选地，腿部组件5包括第一伸展件51、第二伸展件52、第三伸展件53、第四伸展件54、第五伸展件55、第六伸展件56、第七伸展件57和承托件58，第一伸展件51与支撑板41枢接于第一枢接点，第二伸展件52依次与第一伸展件51、第三伸展件53和动力杆3枢接于第二枢接点、第三枢接点和第四枢接点，第三枢接点位于第二枢接点和第四枢接点之间，第四伸展件54依次与第三伸展件53、支撑板41和第五伸展件55枢接于第五枢接点、第六枢接点和第七枢接点，第五枢接点位于第六枢接点和第七枢接点之间，第五伸展件55与承托件58枢接，第六伸展件56一端与支撑板41枢接于第八枢接点，另一端与第七伸展件57枢接，第七伸展件57与承托件58枢接，第六枢接点位于第一枢接点和第八枢接点之间，第六伸展件56上设有导向块561，导向块561能抵靠于第五伸展件55。当动力杆3相对支撑板41转动时，动力杆3带动第二伸展件52运动，第二伸展件52通过第三伸展件53带动第四伸展件54运动，第四伸展件54带动第五伸展件55运动，第六伸展件56上设置的导向块561抵靠于第五伸展件55，第五伸展件55能带动第六伸展件56运动，第六伸展件56带动第七伸展件57运动，第五伸展件55和第七伸展件57共同带动承托件58运动，以实现腿部组件5的伸张或收缩。
如图1所示，可选地，还包括第二驱动组件和角度调节件9，角度调节件9与靠背连杆10铰接，靠背连杆10与支撑板41铰接，第二驱动组件能驱动角度调节件9相对支撑板41转动。通过第二驱动组件驱动角度调节件9相对支撑板41转动，以实现老人椅的靠背角度的调节。
可选地，第二驱动组件包括第二电推杆81和第二连接杆82，第二电推杆81一端与第三连接杆20铰接，第二电推杆81的另一端与第二连接杆82铰接， 第二连接杆82与支撑板41固定连接，第三连接杆20与角度调节件9固定连接。电推杆具有体积小、精度高及自锁性能好的特点。
如图2所示，可选地，底座1包括首尾依次固定连接且围设成矩形的第一支撑杆11、第二支撑杆12、第三支撑杆13和第四支撑杆14，第一支撑杆11和第三支撑杆13上均固设有支撑座15，支撑座15上固设有支板16，抗扭管42能抵接于支板16。
可选地，支板16上设置有缓冲垫。缓冲垫能够缓解抗扭管42与支板16之间的碰撞。
可选地，支撑板41和腿部组件5的数量均为两个，两个支撑板41和两个腿部组件5一一对应地连接，抗扭管42的两端分别固定连接两个支撑板41，以使老人椅支架具有更高的稳定性。
一种老人椅，包括上述的老人椅支架。

Claims (10)

  1. 一种老人椅支架，包括：底座(1)、第一驱动组件、动力杆(3)、支撑组件、腿部组件(5)、第一抬升杆(6)和第二抬升杆(7)；
    所述支撑组件包括支撑板(41)和与所述支撑板(41)固定连接的抗扭管(42)；所述第一抬升杆(6)的两端分别与所述支撑板(41)和所述底座(1)枢接，所述第二抬升杆(7)的两端分别与所述支撑板(41)和所述底座(1)枢接；
    所述第一驱动组件能驱动所述动力杆(3)相对所述支撑板(41)转动而具有第一位置和第二位置，在所述动力杆(3)位于所述第一位置的情况下，所述腿部组件(5)伸张且所述抗扭管(42)抵接于所述底座(1)，在所述动力杆(3)位于所述第二位置的情况下，所述腿部组件(5)收缩且所述抗扭管(42)距所述底座(1)第一距离，并且在所述动力杆(3)位于所述第二位置的情况下，所述第一驱动组件能驱动所述动力杆(3)带动所述支撑板(41)同步运动，以使所述支撑板(41)距所述底座(1)第二距离。
  2. 根据权利要求1所述的老人椅支架，其中，所述第一驱动组件包括第一电推杆(21)和第一连接杆(22)，所述第一电推杆(21)一端与所述底座(1)铰接，另一端与所述第一连接杆(22)铰接，所述第一连接杆(22)与所述动力杆(3)连接。
  3. 根据权利要求2所述的老人椅支架，其中，所述支撑板(41)上设置有导向槽，所述动力杆(3)上设置有导向柱(31)，所述导向柱(31)滑动穿设于所述导向槽，所述导向柱(31)与所述第一连接杆(22)连接。
  4. 根据权利要求1所述的老人椅支架，其中，所述腿部组件(5)包括第一伸展件(51)、第二伸展件(52)、第三伸展件(53)、第四伸展件(54)、第五伸展件(55)、第六伸展件(56)、第七伸展件(57)和承托件(58)，所述第一伸展件(51)与所述支撑板(41)枢接于第一枢接点，所述第二伸展件(52)依次与所述第一伸展件(51)、所述第三伸展件(53)和所述动力杆(3)枢接于第二枢接点、第三枢接点和第四枢接点，所述第三枢接点位于所述第二枢接点和所述第四枢接点之间，所述第四伸展件(54)依次与所述第三伸展件(53)、所述支撑板(41)和所述第五伸展件(55)枢接于第五枢接点、第六枢接点和第七枢接点，所述第五枢接点位于所述第六枢接点和 所述第七枢接点之间，所述第五伸展件(55)与所述承托件(58)枢接，所述第六伸展件(56)一端与所述支撑板(41)枢接于第八枢接点，另一端与所述第七伸展件(57)枢接，所述第七伸展件(57)与所述承托件(58)枢接，所述第六枢接点位于所述第一枢接点和所述第八枢接点之间，所述第六伸展件(56)上设有导向块(561)，所述导向块(561)能抵靠于所述第五伸展件(55)。
  5. 根据权利要求1所述的老人椅支架，还包括第二驱动组件和角度调节件(9)，所述角度调节件(9)与靠背连杆(10)铰接，所述靠背连杆(10)与所述支撑板(41)连接，所述第二驱动组件能驱动所述角度调节件(9)相对所述支撑板(41)转动。
  6. 根据权利要求5所述的老人椅支架，其中，所述第二驱动组件包括第二电推杆(81)和第二连接杆(82)，所述第二电推杆(81)一端与第三连接杆(20)铰接，所述第二电推杆(81)的另一端与所述第二连接杆(82)铰接，所述第二连接杆(82)与所述支撑板(41)固定连接，所述第三连接杆(20)与所述角度调节件(9)固定连接。
  7. 根据权利要求1所述的老人椅支架，其中，所述底座(1)包括首尾依次固定连接且围设成矩形的第一支撑杆(11)、第二支撑杆(12)、第三支撑杆(13)和第四支撑杆(14)，所述第一支撑杆(11)和所述第三支撑杆(13)上均固设有支撑座(15)，所述支撑座(15)上固设有支板(16)，所述抗扭管(42)能抵接于所述支板(16)。
  8. 根据权利要求7所述的老人椅支架，其中，所述支板(16)上设置有缓冲垫。
  9. 根据权利要求1-8任一项所述的老人椅支架，其中，所述支撑板(41)和所述腿部组件(5)的数量均为两个，两个所述支撑板(41)和两个所述腿部组件(5)一一对应地连接，所述抗扭管(42)的两端分别固定连接两个所述支撑板(41)。
  10. 一种老人椅，包括权利要求1-9任一项所述的老人椅支架。
PCT/CN2022/077555 2021-03-11 2022-02-24 一种老人椅支架及老人椅 WO2022188631A1 (zh)

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