WO2022183997A1 - 一种座椅支架及座椅 - Google Patents

一种座椅支架及座椅 Download PDF

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Publication number
WO2022183997A1
WO2022183997A1 PCT/CN2022/078154 CN2022078154W WO2022183997A1 WO 2022183997 A1 WO2022183997 A1 WO 2022183997A1 CN 2022078154 W CN2022078154 W CN 2022078154W WO 2022183997 A1 WO2022183997 A1 WO 2022183997A1
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WO
WIPO (PCT)
Prior art keywords
rod
transmission
connecting rod
footrest
link
Prior art date
Application number
PCT/CN2022/078154
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 US18/548,742 priority Critical patent/US20240148145A1/en
Priority to EP22762462.4A priority patent/EP4302654A1/en
Priority to CN202290000258.XU priority patent/CN220494648U/zh
Publication of WO2022183997A1 publication Critical patent/WO2022183997A1/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
    • A47C1/0342—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
    • 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
    • A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03205—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination
    • A47C1/03211—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination by electric motors

Definitions

  • the present application relates to the field of seat manufacturing, for example, to a seat bracket and a seat.
  • sofa seats can be applied in different styles and structures of automated functional sofa seats in different environments such as theaters, massages, high-speed trains, and airplanes, in addition to home leisure.
  • the sofa seat in the related art is often provided with a motor, a transmission mechanism and a telescopic mechanism in order to realize the rotation of the backrest and the footrest to facilitate the human body to lie down, so as to adjust the inclination angle of the sofa backrest and the protruding length and height of the sofa footrest, which is convenient for users.
  • the use of the sofa seat improves the comfort of use, but the structure of the sofa seat bracket transmission mechanism and the telescopic mechanism in the related art is relatively complex, and the space occupied is relatively large.
  • the present application provides a seat bracket and a seat with simple structure and strong stability.
  • a seat bracket comprising:
  • a base mechanism, a motor, a transmission mechanism and a telescopic mechanism the transmission mechanism includes a transmission sheet, a transmission rod and a connecting rod, the transmission sheet and the transmission rod are rotatably connected by the connecting rod, and the transmission sheet is rotatably connected to the
  • the transmission rod is rotatably connected to the base mechanism
  • the motor is arranged in the base mechanism, the output end of the motor is connected to the transmission rod, and the motor can drive the transmission rod to make
  • the transmission rod drives the transmission sheet and the connecting rod to rotate, so that the telescopic mechanism can be extended and retracted.
  • the present application further provides a seat, comprising a support base and the above-mentioned seat bracket, the support base abutting against the outside of the base mechanism.
  • FIG. 1 is a schematic diagram of the overall structure of a seat bracket provided by an embodiment of the present application
  • FIG. 2 is a schematic diagram of a TV posture structure of a seat bracket provided by an embodiment of the present application
  • Fig. 3 is a partial enlarged view of Fig. 2 at A;
  • FIG. 4 is a schematic diagram of a lying position structure of a seat support provided by an embodiment of the present application.
  • Base mechanism 11. Side plate; 12. Bracket; 121. Fixing frame; 13. Mounting plate;
  • Backrest mechanism 51. Backrest main rod; 52. Backrest rotation rod.
  • connection should be understood in a broad sense, for example, it may be a fixed connection, a detachable connection, or a 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 an internal connection between two elements or an interaction relationship between the two elements.
  • connection may be a fixed connection, a detachable connection, or a 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 an internal connection between two elements or an interaction relationship between the two elements.
  • the first feature "on” or “under” the second feature may include direct contact between the first and second features, or may include the first and second features The features are not in direct contact 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 seat bracket includes a base mechanism 1 , a motor 2 , a transmission mechanism 3 and a telescopic mechanism 4 , and the transmission mechanism 3 includes a transmission mechanism.
  • the plate 31, the transmission rod 32 and the connecting rod 33, the transmission plate 31 and the transmission rod 32 are rotatably connected by the connecting rod 33, the transmission plate 31 is rotatably connected to the telescopic mechanism 4, the transmission rod 32 is rotatably connected to the base mechanism 1, and the motor 2 is arranged on the base In the mechanism 1, the output end of the motor 2 is connected to the transmission rod 32, and the motor 2 can drive the transmission rod 32 so that the transmission rod 32 drives the transmission sheet 31 and the connecting rod 33 to rotate, so that the telescopic mechanism 4 can expand and contract.
  • the transmission rod 32 and the transmission piece 31 are rotatably connected by the connecting rod 33, the transmission piece 31 is respectively connected to the telescopic mechanism 4 and one end of the connecting rod 33, the transmission rod 32 is respectively connected to the base mechanism 1 and the other end of the connecting rod 33, and then The output end of the motor 2 is connected to the transmission rod 32, and the motor 2 pushes the transmission rod 32 to move, so that the transmission sheet 31 and the connecting rod 33 rotate to drive the telescopic mechanism 4 to expand or contract.
  • the seat bracket provided in this embodiment utilizes the transmission mechanism 3 to drive the movement of the telescopic mechanism 4, and has a simple structure, convenient installation and stable transmission.
  • the telescopic mechanism 4 includes a connecting assembly 41 , a connecting rod assembly 42 and a footrest assembly 43 , and the connecting assembly 41 includes a first connecting rod 411 and a first connecting rod 411 .
  • Two connecting rods 412 , the connecting rod assembly 42 is a cross-connected four-link structure, and the first connecting rod 421 is connected to the first connecting rod 411 .
  • the transmission piece 31 is provided with a connecting rod 311 , the connecting rod 311 is connected to the first connecting rod 411 , and the third connecting rod 423 and the fourth connecting rod 424 are respectively connected to the footrest assembly 43 .
  • the second connecting rod 422 is connected to the second connecting rod 412 through the transmission piece 31.
  • the transmission piece 31 is connected to the first connecting rod 411 through the connecting strut 311, and the first connecting rod 411 is connected to the second connecting rod 412.
  • the motor 2 drives the transmission mechanism 3 to rotate
  • the transmission piece 31 drives the first connecting rod 411 and the second connecting rod 412 to rotate, thereby extending or shortening the link assembly 42 .
  • the motor 2 drives the transmission mechanism 3 to rotate the transmission piece 31 counterclockwise (as shown in the right direction in FIG. 2 ), and the transmission piece 31 drives the first connecting rod 411 and the second connecting rod 412 to rotate, so that the connecting rod assembly 42 rotates to the right ( That is, the right side as shown in Figure 2) is extended to adjust the seat support to the TV position or the lying position.
  • the motor 2 drives the transmission mechanism 3 to rotate the transmission piece 31 clockwise, so that the link assembly 42 and the footrest assembly 43 are retracted, so that the seat bracket is adjusted to the sitting position.
  • the footrest assembly 43 includes a first footrest link 431 , a second footrest link 432 , a main footrest 433 and a secondary footrest 434 , the second footrest
  • the connecting rod 432 is connected to the first footrest link 431
  • the main footrest 433 is respectively connected to the fourth link 424 and the first footrest link 431
  • the auxiliary footrest 434 is respectively connected to the main footrest 433 and the first footrest link 431.
  • There are two footrest links 432 and the second footrest link 432 is connected to the third link 423 .
  • the first footrest link 431 and the second footrest link 432 are used to extend the main footrest 433 and the auxiliary footrest 434 .
  • the seat bracket further includes a backrest mechanism 5
  • the backrest mechanism 5 includes a backrest main rod 51 and a backrest rotation rod 52 connected to the backrest main rod 51
  • the backrest main rod 51 is connected to the first connecting rod 411
  • the backrest lever 52 is connected to the base mechanism 1 .
  • the base mechanism 1 includes two symmetrically arranged side plates 11 , a bracket 12 connected to the two side plates 11 , and a mounting plate 13 arranged on the bracket 12 (as shown in FIG. 1 ) ), the transmission rod 32 and the backrest turning rod 52 are both connected to the mounting plate 13 .
  • the mounting plate 13 is arranged on the bracket 12, and both the transmission rod 32 and the backrest turning rod 52 are connected to the mounting plate 13, the structure is simple, the installation is convenient, and the occupied space of the base mechanism 1 is not increased.
  • the second connecting rod 412 is connected to one end of the first connecting member 44
  • the other end of the first connecting member 44 is connected to the mounting plate 13
  • the first connecting member 44 is provided with a limiting protrusion 441
  • the mounting plate 13 is correspondingly provided with a limiting groove
  • the limiting protrusion 441 is clamped in the limiting groove.
  • the backrest mechanism 5 and the telescopic mechanism 4 are both extended but not fully unfolded, which is convenient for users to watch TV.
  • 441 is snapped on the lower surface of the limiting groove (as shown in Figure 2), the backrest mechanism 5 and the telescopic mechanism 4 in the second posture (lying position) are fully deployed (as shown in Figure 4), and the limiting protrusions
  • the upward movement of 441 abuts against the upper surface of the limiting groove, which improves the user's comfort.
  • the transmission rod 32 has an L-shaped structure, one end of the transmission rod 32 is connected to the mounting plate 13 , the other end is connected to the connecting rod 33 , and the middle of the transmission rod 32 is connected to the output end of the motor 2 .
  • Setting the transmission rod 32 to an L-shaped structure increases the structural strength of the transmission rod 32 and enhances the stability of transmission.
  • One end of the transmission rod 32 is connected to the mounting plate 13, and the other end is connected to the connecting rod 33 to realize the connection with the transmission piece 31, which is convenient for transmission. Then, the middle part of the transmission rod 32 is connected to the output end of the motor 2 , so that the motor 2 can drive the transmission rod 32 to rotate.
  • the transmission mechanism 3 further includes a driving tube 34, the output end of the motor 2 is connected to the driving tube 34, and the end of the driving tube 34 is connected to the transmission rod 32 (as shown in FIG. 1).
  • a single motor 2 to drive by setting the drive tube 34, the motor 2 is arranged on the lower side of the base mechanism 1, the output end of the motor 2 is connected to the drive tube 34, and then the drive tube 34 is connected to the transmission rod 32, so as to realize the transmission .
  • the bracket 12 is provided with a fixing frame 121 , and the motor 2 is fixed on the fixing frame 121 .
  • the motor 2 is fixed on the lower end of the bracket 12 (as shown in FIG. 1), which saves the space occupied by the motor 2, has a simple structure, and is practical and convenient.
  • the motor 2 drives the drive tube 34, so that the drive tube 34 drives the transmission mechanism 3 to rotate, the transmission plate 31 rotates counterclockwise and drives the connecting assembly 41 to rotate (as shown in Figure 2), so that the connecting rod assembly 42 is elongated, and then the foot rests
  • the assembly 43 is connected to the link assembly 42, so that the main footrest 433 and the auxiliary footrest 434 rotate counterclockwise to increase the footrest area, and the backrest mechanism 5 also rotates with the rotation of the first connecting rod 411, so that the The seat support changes from the sitting position first to the TV position and then to the lying position.
  • the process that the transmission piece 31 rotates clockwise to shrink the link assembly 42 and the footrest assembly 43 is similar to the unfolding of the seat bracket, and will not be repeated here.
  • This embodiment also provides a seat, which includes a support base and the above-mentioned seat bracket, the support base abuts on the outside of the base mechanism of the seat bracket, and the seat is conveniently installed.

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  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Abstract

一种座椅支架及座椅，座椅支架包括底座机构(1)、电机(2)、传动机构(3)以及伸缩机构(4)，传动机构(3)包括传动片(31)、传动杆(32)以及连杆(33)，传动片(31)和传动杆(32)通过连杆(33)转动连接，传动片(31)转动连接于伸缩机构(4)，传动杆(32)转动连接于底座机构(1)，电机(2)设置在底座机构(1)内，电机(2)的输出端连接于传动杆(32)，电机(2)能够驱动传动杆(32)使驱动传动杆(32)带动传动片(31)和连杆(33)转动，以使伸缩机构(4)进行伸缩。

Description

一种座椅支架及座椅
本申请要求在2021年3月2日提交中国专利局、申请号为202120450536.9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
本申请涉及座椅制造领域，例如涉及一种座椅支架及座椅。
背景技术
随着人们生活水平的提高，在不同的生活场景中自动化家具的使用也更加广泛。沙发座椅作为生活中普遍应用的家具，除了家用休闲，影院、按摩、高铁、飞机等不同环境都可以应用不同款式和结构的自动化功能性沙发座椅。相关技术中的沙发座椅为了实现靠背和垫脚的转动方便人体躺下，常设置电机、传动机构以及伸缩机构，以调节沙发靠背的倾斜角度，以及沙发垫脚的伸出长度和高度，方便了用户对沙发座椅的使用并且提升了使用的舒适性，但是相关技术中的沙发座椅支架传动机构和伸缩机构的结构较为复杂，占用的空间较大。
发明内容
本申请提供一种座椅支架及座椅，结构简单，稳定性强。
第一方面，本申请提供了一种座椅支架，包括：
底座机构、电机、传动机构以及伸缩机构，所述传动机构包括传动片、传动杆以及连杆，所述传动片和所述传动杆通过所述连杆转动连接，所述传动片转动连接于所述伸缩机构，所述传动杆转动连接于所述底座机构，所述电机设置在所述底座机构内，所述电机的输出端连接于所述传动杆，所述电机能够驱动所述传动杆使所述传动杆带动所述传动片和所述连杆转动，以使所述伸缩机构进行伸缩。
第二方面，本申请还提供了一种座椅，包括支撑基底和上述所述的座椅支 架，所述支撑基底抵接于所述底座机构的外部。
附图说明
图1是本申请实施例提供的座椅支架的整体结构示意图；
图2是本申请实施例提供的座椅支架的TV姿结构示意图；
图3是图2在A处的局部放大图；
图4是本申请实施例提供的座椅支架的躺姿结构示意图。
图中：
1、底座机构；11、侧板；12、支架；121、固定架；13、安装板；
2、电机；
3、传动机构；31、传动片；311、连接支杆；32、传动杆；33、连杆；34、驱动管；
4、伸缩机构；41、连接组件；411、第一连接杆；412、第二连接杆；42、连杆组件；421、第一连杆；422、第二连杆；423、第三连杆；424、第四连杆；43、搁脚组件；431、第一搁脚连杆；432、第二搁脚连杆；433、主搁脚件；434、副搁脚件；44、第一连接件；441、限位凸起；
5、靠背机构；51、靠背主杆；52、靠背转杆。
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。
在本实施例的描述中，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。
在本实施例中，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。
本实施例提供了一种座椅支架，涉及座椅制造领域，如图1至图4所示，座椅支架包括底座机构1、电机2、传动机构3以及伸缩机构4，传动机构3包括传动片31、传动杆32以及连杆33，传动片31和传动杆32通过连杆33转动连接，传动片31转动连接于伸缩机构4，传动杆32转动连接于底座机构1，电机2设置在底座机构1内，电机2的输出端连接于传动杆32，电机2能够驱动传动杆32使传动杆32带动传动片31和连杆33转动，以使伸缩机构4进行伸缩。
利用连杆33将传动杆32和传动片31转动连接起来，传动片31分别连接于伸缩机构4和连杆33的一端，传动杆32分别连接于底座机构1和连杆33的另一端，再将电机2的输出端连接于传动杆32，电机2推动使传动杆32发生移动，从而使传动片31和连杆33转动带动伸缩机构4进行展开或者收缩。本实施例提供的座椅支架，利用了传动机构3带动伸缩机构4的运动，结构简单，安装方便，传动稳定。
可选地，如图1至图4所示，伸缩机构4包括连接组件41、连杆组件42以 及搁脚组件43，连接组件41包括第一连接杆411和连接于第一连接杆411的第二连接杆412，连杆组件42为交叉连接的四连杆结构，第一连杆421连接于第一连接杆411。传动片31上设置有连接支杆311，连接支杆311连接于第一连接杆411，第三连杆423和第四连杆424分别连接于搁脚组件43。第二连杆422通过传动片31连接于第二连接杆412，示例性的，传动片31通过连接支杆311连接于第一连接杆411，第一连接杆411连接于第二连接杆412，当电机2驱动传动机构3转动时，传动片31带动第一连接杆411和第二连接杆412转动，从而使连杆组件42伸长或者缩短。电机2驱动传动机构3使传动片31逆时针(如图2所示的右方)转动，传动片31带动第一连接杆411和第二连接杆412转动，从而使连杆组件42向右(即如图2所示的右方)伸长，使座椅支架调节至TV姿或躺姿位置。电机2驱动传动机构3使传动片31顺时针转动，从而使连杆组件42和搁脚组件43收缩，使座椅支架调节至坐姿位置。
可选地，如图3和图4所示，搁脚组件43包括第一搁脚连杆431、第二搁脚连杆432、主搁脚件433以及副搁脚件434，第二搁脚连杆432连接于第一搁脚连杆431，主搁脚件433分别连接于第四连杆424和第一搁脚连杆431，副搁脚件434分别连接于主搁脚件433和第二搁脚连杆432，第二搁脚连杆432连接于第三连杆423。当连杆组件42伸长以后，利用第一搁脚连杆431和第二搁脚连杆432使主搁脚件433和副搁脚件434伸展。
特别地，如图4所示，座椅支架还包括靠背机构5，靠背机构5包括靠背主杆51和连接于靠背主杆51的靠背转杆52，靠背主杆51连接于第一连接杆411，靠背转杆52连接于底座机构1。通过将靠背主杆51连接于第一连接杆411，靠背转杆52连接于底座机构1，当传动片31驱动第一连接杆411转动时，靠背主杆51和靠背转杆52也发生相应转动，提高座椅支架的使用舒适度。
特别地，如图1和4所示，底座机构1包括两个对称设置的侧板11、连接于两个侧板11的支架12以及设置于支架12上的安装板13(如图1所示)，传动杆32和靠背转杆52均连接于安装板13。在支架12上设置安装板13，将传 动杆32和靠背转杆52均连接于安装板13，结构简单，安装方便，而且不会增大底座机构1的占用空间大小。
特别地，如图4所示，第二连接杆412与第一连接件44的一端连接，第一连接件44的另一端与安装板13连接，第一连接件44上设置有限位凸起441，安装板13上对应开设有限位凹槽，限位凸起441卡接于限位凹槽。当座椅机构调节至躺姿位置时，限位凸起441沿限位凹槽向上移动，当座椅机构从躺姿调节至坐姿位置时，限位凸起441沿限位凹槽向下移动。本实施例还提供除坐姿以外的两种形式的姿势，第一种姿势(TV姿)的靠背机构5和伸缩机构4均伸长但没有完全展开，方便使用者观看电视，其中限位凸起441卡接于限位凹槽的下表面(如图2所示)，第二种姿势(躺姿)的靠背机构5和伸缩机构4完全展开(如图4所示)，其中限位凸起441向上运动抵接于限位凹槽的上表面，提高使用者的使用舒适度。
特别地，如图4所示，传动杆32为L型结构，传动杆32一端连接于安装板13，另一端连接于连杆33，传动杆32中部连接于电机2的输出端。将传动杆32设置为L型结构，增大了传动杆32的结构强度，增强了传动的稳定性。将传动杆32一端连接于安装板13，另一端连接于连杆33实现和传动片31的连接，方便传动。再将传动杆32中部连接于电机2的输出端，从而使电机2能够驱动传动杆32转动。
特别地，传动机构3还包括驱动管34，电机2的输出端连接于驱动管34，驱动管34的端部连接于传动杆32(如图1所示)。使用单个电机2驱动，通过设置驱动管34，使电机2设置在底座机构1的下侧，将电机2的输出端连接于驱动管34，再将驱动管34连接于传动杆32，从而实现传动。
特别地，支架12上设置有固定架121，电机2固定于固定架121上。通过在支架12上设置固定架121，使电机2固定于支架12下端(如图1所示)，节省了电机2占用空间的大小，结构简单，实用方便。
本实施例还提供了座椅支架的工作过程：
电机2驱动驱动管34，使驱动管34带动传动机构3转动，传动片31逆时针转动并带动连接组件41转动(如图2所示)，从而使连杆组件42伸长，再将搁脚组件43连接于连杆组件42，使主搁脚件433和副搁脚件434发生逆时针转动，增大搁脚面积，靠背机构5随着第一连接杆411的转动也发生转动，从而使座椅支架从坐姿位置先变成TV姿，再变成躺姿位置。传动片31顺时针转动从而使连杆组件42和搁脚组件43收缩的过程与座椅支架的展开类似，在此不再赘述。
本实施例还提供了一种座椅，包括支撑基底和上述的座椅支架，支撑基底抵接于座椅支架的底座机构的外部，方便安装座椅。

Claims (10)

  1. 一种座椅支架，包括：
    底座机构(1)、电机(2)、传动机构(3)以及伸缩机构(4)，所述传动机构(3)包括传动片(31)、传动杆(32)以及连杆(33)，所述传动片(31)和所述传动杆(32)通过所述连杆(33)转动连接，所述传动片(31)转动连接于所述伸缩机构(4)，所述传动杆(32)转动连接于所述底座机构(1)，所述电机(2)设置在所述底座机构(1)内，所述电机(2)的输出端连接于所述传动杆(32)，所述电机(2)能够驱动所述传动杆(32)使所述传动杆(32)带动所述传动片(31)和所述连杆(33)转动，以使所述伸缩机构(4)进行伸缩。
  2. 根据权利要求1所述的座椅支架，其中，所述伸缩机构(4)包括：
    连接组件(41)，所述连接组件(41)包括第一连接杆(411)和连接于所述第一连接杆(411)的第二连接杆(412)；
    连杆组件(42)和搁脚组件(43)，所述连杆组件(42)为交叉连接的四连杆结构，所述连杆组件(42)包括第一连杆(421)、第二连杆(422)、第三连杆(423)和第四连杆(424)，第一连杆(421)连接于所述第一连接杆(411)，第二连杆(422)通过所述传动片(31)连接于所述第二连接杆(412)，所述传动片(31)上设置有连接支杆(311)，所述连接支杆(311)连接于所述第一连接杆(411)，第三连杆(423)和第四连杆(424)分别连接于所述搁脚组件(43)。
  3. 根据权利要求2所述的座椅支架，其中，所述搁脚组件(43)包括第一搁脚连杆(431)、第二搁脚连杆(432)、主搁脚件(433)以及副搁脚件(434)，所述第二搁脚连杆(432)连接于所述第一搁脚连杆(431)，所述主搁脚件(433)分别连接于所述第四连杆(424)和所述第一搁脚连杆(431)，所述副搁脚件(434)分别连接于所述主搁脚件(433)和所述第二搁脚连杆(432)，所述第二搁脚连杆(432)连接于所述第三连杆(423)。
  4. 根据权利要求2所述的座椅支架，还包括靠背机构(5)，所述靠背机构(5)包括靠背主杆(51)和连接于所述靠背主杆(51)的靠背转杆(52)，所述靠背主杆(51)连接于所述第一连接杆(411)，所述靠背转杆(52)连接于所述底 座机构(1)。
  5. 根据权利要求4所述的座椅支架，其中，所述底座机构(1)包括两个对称设置的侧板(11)、连接于两个所述侧板(11)的支架(12)以及设置于所述支架(12)上的安装板(13)，所述传动杆(32)和所述靠背转杆(52)均连接于所述安装板(13)。
  6. 根据权利要求5所述的座椅支架，其中，所述第二连接杆(412)与第一连接件(44)的一端连接，且所述第一连接件(44)的另一端与安装板(13)连接，所述第一连接件(44)上设置有限位凸起(441)，所述安装板(13)上对应所述限位凸起(441)开设有限位凹槽，所述限位凸起(441)卡接于所述限位凹槽内。
  7. 根据权利要求5所述的座椅支架，其中，所述支架(12)上设置有固定架(121)，所述固定架(121)设置为固定所述电机(2)。
  8. 根据权利要求5所述的座椅支架，其中，所述传动杆(32)为L型结构，所述传动杆(32)一端连接于所述安装板(13)，另一端连接于所述连杆(33)，所述传动杆(32)中部连接于所述电机(2)的输出端。
  9. 根据权利要求8所述的座椅支架，其中，所述传动机构(3)还包括驱动管(34)，所述电机(2)的输出端连接于所述驱动管(34)，所述驱动管(34)的端部连接于所述传动杆(32)。
  10. 一种座椅，包括支撑基底和权利要求1-9任一项所述的座椅支架，所述支撑基底抵接于所述底座机构(1)的外部。
PCT/CN2022/078154 2021-03-02 2022-02-28 一种座椅支架及座椅 WO2022183997A1 (zh)

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