WO2019140776A1 - Functional sofa mechanical stretching device - Google Patents

Functional sofa mechanical stretching device Download PDF

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Publication number
WO2019140776A1
WO2019140776A1 PCT/CN2018/080375 CN2018080375W WO2019140776A1 WO 2019140776 A1 WO2019140776 A1 WO 2019140776A1 CN 2018080375 W CN2018080375 W CN 2018080375W WO 2019140776 A1 WO2019140776 A1 WO 2019140776A1
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WO
WIPO (PCT)
Prior art keywords
assembly
mounting plate
stretching device
frame mounting
mechanical stretching
Prior art date
Legal status (The legal status 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 status listed.)
Ceased
Application number
PCT/CN2018/080375
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French (fr)
Chinese (zh)
Inventor
沈斌
吴林林
李晓鸿
王旭
陈娇
董腾中
庞中
陈晨
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Remacro Machinery and Technology Wujiang Co Ltd
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Remacro Machinery and Technology Wujiang Co Ltd
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Publication date
Application filed by Remacro Machinery and Technology Wujiang Co Ltd filed Critical Remacro Machinery and Technology Wujiang Co Ltd
Publication of WO2019140776A1 publication Critical patent/WO2019140776A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • A47C17/00—Sofas; Couches; Beds
    • A47C17/04—Seating furniture, e.g. sofas, couches, settees, or the like, with movable parts changeable to beds; Chair beds
    • A47C17/16—Seating furniture changeable to beds by tilting or pivoting the back-rest
    • A47C17/163—Seating furniture changeable to beds by tilting or pivoting the back-rest and a foot-rest
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C17/00—Sofas; Couches; Beds
    • A47C17/04—Seating furniture, e.g. sofas, couches, settees, or the like, with movable parts changeable to beds; Chair beds
    • A47C17/16—Seating furniture changeable to beds by tilting or pivoting the back-rest
    • A47C17/17—Seating furniture changeable to beds by tilting or pivoting the back-rest with coupled movement of back-rest and seat
    • A47C17/175—Seating furniture changeable to beds by tilting or pivoting the back-rest with coupled movement of back-rest and seat with tilting or lifting seat-back-rest pivot
    • A47C17/1756—Seating furniture changeable to beds by tilting or pivoting the back-rest with coupled movement of back-rest and seat with tilting or lifting seat-back-rest pivot by pivoted linkages

Definitions

  • This invention relates to the furniture industry, and more particularly to a functional sofa mechanical stretching device.
  • the existing sofa with the stand is not smooth during the posture conversion, and the posture changes slowly.
  • a functional sofa mechanical stretching device comprising a stretching bracket, the stretching bracket comprising a backrest assembly, a seat assembly and a leg assembly, the seat assembly comprising a frame mounting plate and a substrate, the seat assembly further comprising a linkage mechanism
  • the linkage mechanism includes a leg linkage assembly, a backrest linkage assembly, and a connecting rod.
  • the leg assembly is rotatably mounted on a front end of the frame mounting plate, and the backrest assembly is rotatably mounted on the frame mounting plate.
  • the two ends of the leg linkage assembly are respectively rotatably connected to the front end of the frame mounting plate and the substrate, and the two ends of the backrest linkage component respectively rotate with the rear end of the frame mounting plate and the substrate
  • the connecting rod is rotatably mounted on the base plate and the two ends are rotatably connected to the backrest linkage assembly and the leg linkage assembly, respectively.
  • the leg linkage assembly includes a front guide bar and a front lift bar, the front guide bar is rotatably connected to one end of the frame mounting plate, and the other end is rotatably connected to the front lift bar, the front The lifting rod is rotatably coupled to the substrate.
  • the connecting rod is rotatably connected to the front lifting rod.
  • the substrate includes a front limiting protrusion, and the front lifting rod interferes with the front limiting protrusion when the stretching bracket is switched to the sitting position.
  • the backrest linkage assembly includes a rear guide rod and a rear lift rod, and one end of the rear guide rod is rotatably connected to a rear end of the seat frame mounting plate, and the other end is rotatably connected to the rear lift rod,
  • the lifting rod is rotatably coupled to the substrate.
  • the connecting rod is rotatably connected to the rear lifting rod.
  • the substrate includes a rear limiting protrusion, and the rear lifting rod is in contact with the rear limiting protrusion when the stretching bracket is switched to the lying position.
  • the substrate is provided with a sliding slot
  • the rear guiding rod includes a positioning pin, and the positioning pin is received in the sliding slot and slides in the sliding slot as the posture of the extending bracket changes.
  • a functional sofa mechanical stretching device comprises a base, two extension brackets and a driving mechanism, each of the extension brackets comprising a backrest assembly, a seat assembly and a leg assembly, the seat assembly comprising a frame mounting plate and a substrate, One end of the driving mechanism is rotatably mounted on the base, and the other end is rotatably mounted on the frame mounting plate, the substrate is fixedly mounted on the base, and the seat assembly further includes a linkage mechanism, and the linkage mechanism includes a leg portion a linkage assembly, a backrest linkage assembly and a connecting rod, the leg assembly is rotatably mounted on a front end of the frame mounting plate, and the backrest assembly is rotatably mounted on a rear end of the frame mounting plate, the leg linkage assembly
  • the two ends are respectively rotatably connected to the front end of the frame mounting plate and the substrate, and the two ends of the backrest linkage component are respectively rotatably connected to the rear end of the frame mounting plate and the substrate, and the connecting rod is rotat
  • the driving mechanism includes a driving member, a push rod and two driving links, the driving member is rotatably mounted on the base and the push rod, and each of the driving links is rotatably mounted on the substrate And one end is rotatably connected to the frame mounting plate, and the other end is rotatably connected to the push rod.
  • the driving link includes a connecting piece and a crank, and the crank is rotatably mounted on the substrate and is rotatably connected to the push rod and the connecting piece.
  • the connecting piece is rotatably connected to the seat frame mounting plate.
  • crank has a hook shape.
  • the push rod is parallel to the horizontal plane.
  • the leg linkage assembly includes a front guide bar and a front lift bar, the front guide bar is rotatably connected to one end of the frame mounting plate, and the other end is rotatably connected to the front lift bar, the front The lifting rod is rotatably coupled to the substrate.
  • the connecting rod is rotatably connected to the front lifting rod.
  • the backrest linkage assembly includes a rear guide rod and a rear lift rod, and one end of the rear guide rod is rotatably connected to a rear end of the seat frame mounting plate, and the other end is rotatably connected to the rear lift rod,
  • the lifting rod is rotatably coupled to the substrate.
  • the linkage mechanism of the functional sofa mechanical stretching device of the present invention comprises a leg linkage assembly, a backrest linkage assembly and a connecting rod, the leg assembly is rotatably mounted on the front end of the seat frame mounting plate, and the backrest assembly is rotatably mounted on the seat frame.
  • the rear end of the board and the two ends of the leg linkage assembly are respectively rotatably connected to the front end of the frame mounting plate and the substrate, and the two ends of the backrest linkage assembly are respectively rotatably connected with the rear end of the frame mounting plate and the substrate, and the connecting rod is rotatably mounted on the substrate and The two ends are respectively rotatably connected with the backrest linkage assembly and the leg linkage assembly.
  • FIG. 1 is a schematic structural view of a mechanical extension device for a functional sofa according to a preferred embodiment of the present invention
  • Figure 2 is a front elevational view showing the sitting posture of the extension bracket of the functional sofa mechanical stretching device of Figure 1;
  • Figure 3 is a rear elevational view of the sitting posture of the stent of Figure 2;
  • Figure 4 is a front elevational view of the TV posture of the extension bracket of Figure 2;
  • Figure 5 is a rear elevational view of the TV attitude of the extension bracket of Figure 4.
  • Figure 6 is a front elevational view of the reclining position of the stent of Figure 2;
  • Figure 7 is a rear elevational view of the lying posture of the extended stent of Figure 6.
  • extension bracket 10
  • backrest assembly 20, seat assembly; 21, seat frame mounting plate; 22, substrate; 221, front limit protrusion; 222, rear limit protrusion; 223, chute 23, linkage mechanism; 230, leg linkage assembly; 231, front guide bar; 232, front lift bar; 233, backrest linkage assembly; 234, rear guide bar; 2340, positioning pin; 235, rear lift bar;
  • a component when referred to as being “fixed” to another component, it can be directly on the other component or the component can be present.
  • a component When a component is considered to "connect” another component, it can be directly connected to another component or possibly a central component.
  • a component When a component is considered to be “set to” another component, it can be placed directly on another component or possibly with a centered component.
  • the terms “vertical,” “horizontal,” “left,” “right,” and the like, as used herein, are for illustrative purposes only.
  • a functional sofa mechanical stretching device includes two stretching brackets 100, a driving mechanism 200, and a base 300.
  • Each stretch bracket 100 includes a backrest assembly 10, a seat assembly 20, and a leg assembly 30.
  • the seat assembly 20 includes a seat frame mounting plate 21, a base plate 22, and a linkage mechanism 23.
  • the leg assembly 30 is rotatably mounted to the front portion of the frame mounting plate 21, and the backrest assembly 10 is rotatably mounted to the rear portion of the frame mounting plate 21.
  • the substrate 22 includes a front limiting protrusion 221 and a rear limiting protrusion 222.
  • the substrate 22 is further provided with a sliding slot 232 , and the sliding slot 232 is located between the front limiting protrusion 221 and the rear limiting protrusion 222 .
  • the linkage mechanism 23 includes a leg linkage assembly 230, a backrest linkage assembly 233, and a connecting rod 236.
  • the leg linkage assembly 230 includes a front guide bar 231 and a front lift bar 232.
  • One end of the front guide bar 231 is rotatably coupled to the front portion of the frame mounting plate 21, and the other end is rotatably coupled to the front lift bar 232.
  • the front lift lever 232 is rotatably mounted to the base plate 22.
  • the backrest linkage assembly 233 includes a rear guide bar 234 and a rear lift bar 235.
  • the rear guide bar 234 includes a locating pin 2340.
  • the rear guide bar 234 is rotatably mounted at one end to the rear of the frame mounting plate 21, and the other end is rotatably coupled to the rear lift bar 235.
  • the locating pin 2340 is located in the chute 232.
  • the rear lift lever 235 is rotatably mounted to the substrate 22. Both ends of the connecting rod 236 are rotatably connected to the rear lifting rod 235 and the front lifting rod 232, respectively.
  • the driving mechanism 200 includes a driving member 201, a push rod 202 and two driving links 203.
  • Each drive link 203 includes a connecting piece 204 and a crank 205.
  • the crank 205 has a hook shape.
  • each stretching bracket 100 is fixedly mounted to the base 300.
  • the connecting piece 204 is rotatably mounted to the frame mounting plate 21, and the crank 205 is rotatably mounted on the substrate 22.
  • the crank 205 is rotatably coupled to the connecting piece 204.
  • Both ends of the push rod 202 are respectively rotatably mounted to the two cranks 205.
  • the push rod 202 is parallel to the horizontal plane.
  • the driving member 201 is rotatably mounted on the base 300 at one end, and is rotatably mounted on the push rod 202 at the other end.
  • the driving member 201 extends and pushes the push rod 202, and the push rod 202 drives the frame mounting plate 21 of the two stretching brackets 100 through the driving link 203.
  • the frame mounting plate 21 extends the leg assembly 30 through the leg linkage assembly 230 to adjust the functional sofa mechanical extension from the sitting position to the TV attitude.
  • the front lift lever 231 is in contact with the front limit projection 221 .
  • the functional sofa mechanical stretching device is maintained to maintain the TV attitude.
  • the angle between the front guide bar 231 and the front lift bar 232 becomes small.
  • the driving member 201 continues to extend, and the seat frame mounting plate 21 drives the backrest assembly 10 to tilt backward through the backrest linkage assembly 233 to adjust the functional sofa mechanical stretching device from the TV attitude to the lying posture.
  • the rear lift lever 235 is in contact with the rear limit projection 222, so that the functional sofa mechanical stretching device maintains the lying posture.
  • the angle between the rear guide bar 234 and the rear lift bar 235 becomes large.
  • the angle between the connecting rod 236 and the rear lifting rod 235 becomes large.
  • the functional sofa mechanical stretching device has a smoother posture and a faster speed, and is lower in posture and more comfortable when in a lying posture.

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

Abstract

Provided is a functional sofa mechanical stretching device, including a stretching bracket. The stretching bracket comprises a backrest assembly, a seat assembly and a leg assembly. The seat assembly includes a seat frame mounting plate and a base plate, the seat assembly also includes a linkage mechanism. The linkage mechanism includes a leg linkage assembly, a backrest linkage assembly and a connecting rod. The leg assembly is rotatably mounted at the front end of the seat frame mounting plate. The backrest assembly is rotatably mounted at the rear end of the seat frame mounting plate Two ends of the leg linkage assembly are rotatably connected with the front end of the seat frame mounting plate and the base plate respectively. Two ends of the backrest linkage assembly are rotatably connected with the rear end of the seat frame mounting plate and the base plate. The connecting rod is rotatably mounted on the base plate, and two ends of the connecting rod are rotatably connected with the backrest linkage assembly and the leg linkage assembly respectively. Through the design, the functional sofa mechanical stretching device is smoother and has faster speed during posture switching, and has lower posture and is more comfortable when in a lying posture.

Description

一种功能沙发机械伸展装置Functional sofa mechanical stretching device 技术领域Technical field

本发明涉及家具行业，尤其是涉及一功能沙发机械伸展装置。This invention relates to the furniture industry, and more particularly to a functional sofa mechanical stretching device.

背景技术Background technique

随着国内生产力水平的提高和社会经济水平的发展，人们的生活水平越来越高，对家具的要求也越来越高。家具中的沙发、摇椅、座椅等随处可见，有些沙发不仅脚踏能够伸出，靠背也能上升或下降。With the improvement of domestic productivity and the development of social and economic levels, people's living standards are getting higher and higher, and the requirements for furniture are getting higher and higher. Sofas, rocking chairs, seats, etc. in furniture can be seen everywhere. Some sofas can not only extend the pedals, but also raise or lower the backrest.

但是，现有的支架着地的沙发存在以下缺陷：However, the existing sofas with brackets have the following drawbacks:

现有的支架着地的沙发在姿态转换的过程中不顺畅，并且姿态变化速度慢。The existing sofa with the stand is not smooth during the posture conversion, and the posture changes slowly.

发明内容Summary of the invention

为了克服现有技术的不足，本发明的目的在于提供一种姿态转换顺畅并且速度快的功能沙发机械伸展装置。In order to overcome the deficiencies of the prior art, it is an object of the present invention to provide a functional sofa mechanical stretching device that is smooth in posture and fast in speed.

本发明的目的采用以下技术方案实现：The object of the invention is achieved by the following technical solutions:

一种功能沙发机械伸展装置，包括伸展支架，所述伸展支架包括靠背组件、座椅组件及腿部组件，所述座椅组件包括坐框安装板及基板，所述座椅组件还包括联动机构，所述联动机构包括腿部联动组件、靠背联动组件及连接杆，所述腿部组件转动安装于所述坐框安装板的前端，所述靠背组件转动安装于所述坐框安装板的后端，所述腿部联 动组件两端分别与所述坐框安装板的前端及所述基板转动连接，所述靠背联动组件两端分别与所述坐框安装板的后端及所述基板转动连接，所述连接杆转动安装于所述基板并且两端分别与所述靠背联动组件及所述腿部联动组件转动连接。A functional sofa mechanical stretching device comprising a stretching bracket, the stretching bracket comprising a backrest assembly, a seat assembly and a leg assembly, the seat assembly comprising a frame mounting plate and a substrate, the seat assembly further comprising a linkage mechanism The linkage mechanism includes a leg linkage assembly, a backrest linkage assembly, and a connecting rod. The leg assembly is rotatably mounted on a front end of the frame mounting plate, and the backrest assembly is rotatably mounted on the frame mounting plate. The two ends of the leg linkage assembly are respectively rotatably connected to the front end of the frame mounting plate and the substrate, and the two ends of the backrest linkage component respectively rotate with the rear end of the frame mounting plate and the substrate The connecting rod is rotatably mounted on the base plate and the two ends are rotatably connected to the backrest linkage assembly and the leg linkage assembly, respectively.

进一步地，所述腿部联动组件包括前导向杆及前抬升杆，所述前导向杆一端与所述坐框安装板的前端转动连接，另一端与所述前抬升杆转动连接，所述前抬升杆与所述基板转动连接。Further, the leg linkage assembly includes a front guide bar and a front lift bar, the front guide bar is rotatably connected to one end of the frame mounting plate, and the other end is rotatably connected to the front lift bar, the front The lifting rod is rotatably coupled to the substrate.

进一步地，所述连接杆与所述前抬升杆转动连接。Further, the connecting rod is rotatably connected to the front lifting rod.

进一步地，所述基板包括前限位凸起，所述伸展支架转换至坐姿时，所述前抬升杆与所述前限位凸起抵触。Further, the substrate includes a front limiting protrusion, and the front lifting rod interferes with the front limiting protrusion when the stretching bracket is switched to the sitting position.

进一步地，所述伸展支架由坐姿调节至TV姿态时，所述前导向杆与所述前抬升杆之间的夹角变小。Further, when the extension bracket is adjusted from the sitting posture to the TV posture, an angle between the front guide rod and the front lifting rod becomes small.

进一步地，所述靠背联动组件包括后导向杆及后抬升杆，所述后导向杆一端与所述坐框安装板的后端转动连接，另一端与所述后抬升杆转动连接，所述后抬升杆与所述基板转动连接。Further, the backrest linkage assembly includes a rear guide rod and a rear lift rod, and one end of the rear guide rod is rotatably connected to a rear end of the seat frame mounting plate, and the other end is rotatably connected to the rear lift rod, The lifting rod is rotatably coupled to the substrate.

进一步地，所述连接杆与所述后抬升杆转动连接。Further, the connecting rod is rotatably connected to the rear lifting rod.

进一步地，所述基板包括后限位凸起，所述伸展支架转换至躺姿时，所述后抬升杆与所述后限位凸起抵触。Further, the substrate includes a rear limiting protrusion, and the rear lifting rod is in contact with the rear limiting protrusion when the stretching bracket is switched to the lying position.

进一步地，所述基板设有滑槽，所述后导向杆包括定位销，所述定位销收容于所述滑槽并随所述伸展支架姿态的改变在所述滑槽中滑动。Further, the substrate is provided with a sliding slot, and the rear guiding rod includes a positioning pin, and the positioning pin is received in the sliding slot and slides in the sliding slot as the posture of the extending bracket changes.

进一步地，所述伸展支架由TV姿态调节至躺姿时，所述后导向 杆与所述后抬升杆之间的夹角变大。Further, when the stretching bracket is adjusted from the TV posture to the lying posture, an angle between the rear guiding rod and the rear lifting rod becomes large.

进一步地，所述伸展支架由TV姿态调节至躺姿时，所述连接杆与所述后抬升杆之间的夹角变大。Further, when the extension bracket is adjusted from the TV posture to the lying posture, an angle between the connecting rod and the rear lifting rod becomes large.

一种功能沙发机械伸展装置，包括底座、两伸展支架及驱动机构，每一所述伸展支架包括靠背组件、座椅组件及腿部组件，所述座椅组件包括坐框安装板及基板，所述驱动机构一端转动安装于所述底座，另一端转动安装于所述坐框安装板，所述基板固定安装于所述底座，所述座椅组件还包括联动机构，所述联动机构包括腿部联动组件、靠背联动组件及连接杆，所述腿部组件转动安装于所述坐框安装板的前端，所述靠背组件转动安装于所述坐框安装板的后端，所述腿部联动组件两端分别与所述坐框安装板的前端及所述基板转动连接，所述靠背联动组件两端分别与所述坐框安装板的后端及所述基板转动连接，所述连接杆转动安装于所述基板并且两端分别与所述靠背联动组件及所述腿部联动组件转动连接。A functional sofa mechanical stretching device comprises a base, two extension brackets and a driving mechanism, each of the extension brackets comprising a backrest assembly, a seat assembly and a leg assembly, the seat assembly comprising a frame mounting plate and a substrate, One end of the driving mechanism is rotatably mounted on the base, and the other end is rotatably mounted on the frame mounting plate, the substrate is fixedly mounted on the base, and the seat assembly further includes a linkage mechanism, and the linkage mechanism includes a leg portion a linkage assembly, a backrest linkage assembly and a connecting rod, the leg assembly is rotatably mounted on a front end of the frame mounting plate, and the backrest assembly is rotatably mounted on a rear end of the frame mounting plate, the leg linkage assembly The two ends are respectively rotatably connected to the front end of the frame mounting plate and the substrate, and the two ends of the backrest linkage component are respectively rotatably connected to the rear end of the frame mounting plate and the substrate, and the connecting rod is rotatably mounted. The base plate and the two ends are respectively rotatably connected to the backrest linkage assembly and the leg linkage assembly.

进一步地，所述驱动机构包括驱动件、推杆及两驱动连杆，所述驱动件两端转动安装于所述底座及所述推杆，每一所述驱动连杆转动安装于所述基板并且一端与所述坐框安装板转动连接，另一端与所述推杆转动连接。Further, the driving mechanism includes a driving member, a push rod and two driving links, the driving member is rotatably mounted on the base and the push rod, and each of the driving links is rotatably mounted on the substrate And one end is rotatably connected to the frame mounting plate, and the other end is rotatably connected to the push rod.

进一步地，所述驱动连杆包括连接片及曲柄，所述曲柄转动安装于基板并且与推杆及连接片转动连接。Further, the driving link includes a connecting piece and a crank, and the crank is rotatably mounted on the substrate and is rotatably connected to the push rod and the connecting piece.

进一步地，所述连接片与坐框安装板转动连接。Further, the connecting piece is rotatably connected to the seat frame mounting plate.

进一步地，所述曲柄呈勾形。Further, the crank has a hook shape.

进一步地，所述推杆与水平面平行。Further, the push rod is parallel to the horizontal plane.

进一步地，所述腿部联动组件包括前导向杆及前抬升杆，所述前导向杆一端与所述坐框安装板的前端转动连接，另一端与所述前抬升杆转动连接，所述前抬升杆与所述基板转动连接。Further, the leg linkage assembly includes a front guide bar and a front lift bar, the front guide bar is rotatably connected to one end of the frame mounting plate, and the other end is rotatably connected to the front lift bar, the front The lifting rod is rotatably coupled to the substrate.

进一步地，所述连接杆与所述前抬升杆转动连接。Further, the connecting rod is rotatably connected to the front lifting rod.

进一步地，所述靠背联动组件包括后导向杆及后抬升杆，所述后导向杆一端与所述坐框安装板的后端转动连接，另一端与所述后抬升杆转动连接，所述后抬升杆与所述基板转动连接。Further, the backrest linkage assembly includes a rear guide rod and a rear lift rod, and one end of the rear guide rod is rotatably connected to a rear end of the seat frame mounting plate, and the other end is rotatably connected to the rear lift rod, The lifting rod is rotatably coupled to the substrate.

相比现有技术，本发明功能沙发机械伸展装置的联动机构包括腿部联动组件、靠背联动组件及连接杆，腿部组件转动安装于坐框安装板的前端，靠背组件转动安装于坐框安装板的后端，腿部联动组件两端分别与坐框安装板的前端及基板转动连接，靠背联动组件两端分别与坐框安装板的后端及基板转动连接，连接杆转动安装于基板并且两端分别与靠背联动组件及腿部联动组件转动连接，通过上述设计使功能沙发机械伸展装置姿态转换时更加顺畅，速度更快，并且处于躺姿时，姿态更低，更加舒适。Compared with the prior art, the linkage mechanism of the functional sofa mechanical stretching device of the present invention comprises a leg linkage assembly, a backrest linkage assembly and a connecting rod, the leg assembly is rotatably mounted on the front end of the seat frame mounting plate, and the backrest assembly is rotatably mounted on the seat frame. The rear end of the board and the two ends of the leg linkage assembly are respectively rotatably connected to the front end of the frame mounting plate and the substrate, and the two ends of the backrest linkage assembly are respectively rotatably connected with the rear end of the frame mounting plate and the substrate, and the connecting rod is rotatably mounted on the substrate and The two ends are respectively rotatably connected with the backrest linkage assembly and the leg linkage assembly. Through the above design, the functional sofa mechanical stretching device is more smoothly converted and the speed is faster, and when in the lying posture, the posture is lower and more comfortable.

附图说明DRAWINGS

图1为本发明功能沙发机械伸展装置一较佳实施例的结构示意图；1 is a schematic structural view of a mechanical extension device for a functional sofa according to a preferred embodiment of the present invention;

图2为图1功能沙发机械伸展装置的伸展支架的坐姿状态的主视图；Figure 2 is a front elevational view showing the sitting posture of the extension bracket of the functional sofa mechanical stretching device of Figure 1;

图3为图2伸展支架的坐姿状态的后视图；Figure 3 is a rear elevational view of the sitting posture of the stent of Figure 2;

图4为图2伸展支架的TV姿态的主视图；Figure 4 is a front elevational view of the TV posture of the extension bracket of Figure 2;

图5为图4伸展支架的TV姿态的后视图；Figure 5 is a rear elevational view of the TV attitude of the extension bracket of Figure 4;

图6为图2伸展支架的躺姿的主视图；Figure 6 is a front elevational view of the reclining position of the stent of Figure 2;

图7为图6伸展支架的躺姿的后视图。Figure 7 is a rear elevational view of the lying posture of the extended stent of Figure 6.

图中：100、伸展支架；10、靠背组件；20、座椅组件；21、坐框安装板；22、基板；221、前限位凸起；222、后限位凸起；223、滑槽；23、联动机构；230、腿部联动组件；231、前导向杆；232、前抬升杆；233、靠背联动组件；234、后导向杆；2340、定位销；235、后抬升杆；236、连接杆；30、腿部组件；200、驱动机构；201、驱动件；202、推杆；203、驱动连杆；204、连接片；205、曲柄；300、底座。In the figure: 100, extension bracket; 10, backrest assembly; 20, seat assembly; 21, seat frame mounting plate; 22, substrate; 221, front limit protrusion; 222, rear limit protrusion; 223, chute 23, linkage mechanism; 230, leg linkage assembly; 231, front guide bar; 232, front lift bar; 233, backrest linkage assembly; 234, rear guide bar; 2340, positioning pin; 235, rear lift bar; Connecting rod; 30, leg assembly; 200, driving mechanism; 201, driving member; 202, push rod; 203, driving link; 204, connecting piece; 205, crank; 300, base.

具体实施方式Detailed ways

下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those skilled in the art based on the embodiments of the present invention without creative efforts are within the scope of the present invention.

需要说明的是，当组件被称为“固定于”另一个组件，它可以直接在另一个组件上或者也可以存在居中的组件。当一个组件被认为是“连接”另一个组件，它可以是直接连接到另一个组件或者可能同时 存在居中组件。当一个组件被认为是“设置于”另一个组件，它可以是直接设置在另一个组件上或者可能同时存在居中组件。本文所使用的术语“垂直的”、“水平的”、“左”、“右”以及类似的表述只是为了说明的目的。It should be noted that when a component is referred to as being "fixed" to another component, it can be directly on the other component or the component can be present. When a component is considered to "connect" another component, it can be directly connected to another component or possibly a central component. When a component is considered to be "set to" another component, it can be placed directly on another component or possibly with a centered component. The terms "vertical," "horizontal," "left," "right," and the like, as used herein, are for illustrative purposes only.

除非另有定义，本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。本文中在本发明的说明书中所使用的术语只是为了描述具体的实施例的目的，不是旨在于限制本发明。本文所使用的术语“及/或”包括一个或多个相关的所列项目的任意的和所有的组合。All technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs, unless otherwise defined. The terminology used in the description of the present invention is for the purpose of describing particular embodiments and is not intended to limit the invention. The term "and/or" used herein includes any and all combinations of one or more of the associated listed items.

请参阅图1至图7，本发明一较佳实施例中，一种功能沙发机械伸展装置包括两伸展支架100、驱动机构200及底座300。Referring to FIGS. 1-7, in a preferred embodiment of the present invention, a functional sofa mechanical stretching device includes two stretching brackets 100, a driving mechanism 200, and a base 300.

每一伸展支架100包括靠背组件10、座椅组件20及腿部组件30。座椅组件20包括坐框安装板21、基板22及联动机构23。腿部组件30转动安装于坐框安装板21的前部，靠背组件10转动安装于坐框安装板21的后部。基板22包括前限位凸起221及后限位凸起222。基板22还设有滑槽232，滑槽232位于前限位凸起221及后限位凸起222之间。联动机构23包括腿部联动组件230、靠背联动组件233及连接杆236。腿部联动组件230包括前导向杆231及前抬升杆232。前导向杆231一端与坐框安装板21前部转动连接，另一端与前抬升杆232转动连接。前抬升杆232转动安装于基板22。靠背联动组件233包括后导向杆234及后抬升杆235。后导向杆234包括定位销2340。后导向杆234一端转动安装于坐框安装板21后部，另一端与 后抬升杆235转动连接。定位销2340位于滑槽232中。后抬升杆235转动安装于基板22。连接杆236两端分别与后抬升杆235及前抬升杆232转动连接。Each stretch bracket 100 includes a backrest assembly 10, a seat assembly 20, and a leg assembly 30. The seat assembly 20 includes a seat frame mounting plate 21, a base plate 22, and a linkage mechanism 23. The leg assembly 30 is rotatably mounted to the front portion of the frame mounting plate 21, and the backrest assembly 10 is rotatably mounted to the rear portion of the frame mounting plate 21. The substrate 22 includes a front limiting protrusion 221 and a rear limiting protrusion 222. The substrate 22 is further provided with a sliding slot 232 , and the sliding slot 232 is located between the front limiting protrusion 221 and the rear limiting protrusion 222 . The linkage mechanism 23 includes a leg linkage assembly 230, a backrest linkage assembly 233, and a connecting rod 236. The leg linkage assembly 230 includes a front guide bar 231 and a front lift bar 232. One end of the front guide bar 231 is rotatably coupled to the front portion of the frame mounting plate 21, and the other end is rotatably coupled to the front lift bar 232. The front lift lever 232 is rotatably mounted to the base plate 22. The backrest linkage assembly 233 includes a rear guide bar 234 and a rear lift bar 235. The rear guide bar 234 includes a locating pin 2340. The rear guide bar 234 is rotatably mounted at one end to the rear of the frame mounting plate 21, and the other end is rotatably coupled to the rear lift bar 235. The locating pin 2340 is located in the chute 232. The rear lift lever 235 is rotatably mounted to the substrate 22. Both ends of the connecting rod 236 are rotatably connected to the rear lifting rod 235 and the front lifting rod 232, respectively.

驱动机构200包括驱动件201、推杆202及两驱动连杆203。每一驱动连杆203包括连接片204及曲柄205。曲柄205呈勾形。The driving mechanism 200 includes a driving member 201, a push rod 202 and two driving links 203. Each drive link 203 includes a connecting piece 204 and a crank 205. The crank 205 has a hook shape.

组装功能沙发机械伸展装置时，每一伸展支架100的基板22固定安装于底座300。连接片204转动安装于坐框安装板21，曲柄205转动安装于基板22。曲柄205与连接片204转动连接。推杆202两端分别转动安装于两曲柄205。此时推杆202与水平面平行。驱动件201一端转动安装于底座300，另一端转动安装于推杆202。When the functional sofa mechanical stretching device is assembled, the substrate 22 of each stretching bracket 100 is fixedly mounted to the base 300. The connecting piece 204 is rotatably mounted to the frame mounting plate 21, and the crank 205 is rotatably mounted on the substrate 22. The crank 205 is rotatably coupled to the connecting piece 204. Both ends of the push rod 202 are respectively rotatably mounted to the two cranks 205. At this time, the push rod 202 is parallel to the horizontal plane. The driving member 201 is rotatably mounted on the base 300 at one end, and is rotatably mounted on the push rod 202 at the other end.

使用功能沙发机械伸展装置时，驱动件201伸出并推动推杆202，推杆202通过驱动连杆203带动两伸展支架100的坐框安装板21。坐框安装板21通过腿部联动组件230带动腿部组件30伸展，使功能沙发机械伸展装置从坐姿调节至TV姿态。此时前抬升杆231与前限位凸起221抵触。使功能沙发机械伸展装置维持TV姿态。前导向杆231与前抬升杆232之间的夹角变小。驱动件201继续伸出，坐框安装板21通过靠背联动组件233带动靠背组件10后倾，使功能沙发机械伸展装置从TV姿态调节至躺姿。此时后抬升杆235与后限位凸起222抵触，使功能沙发机械伸展装置维持躺姿。后导向杆234与后抬升杆235之间的夹角变大。连接杆236与后抬升杆235之间的夹角变大。When the functional sofa mechanical stretching device is used, the driving member 201 extends and pushes the push rod 202, and the push rod 202 drives the frame mounting plate 21 of the two stretching brackets 100 through the driving link 203. The frame mounting plate 21 extends the leg assembly 30 through the leg linkage assembly 230 to adjust the functional sofa mechanical extension from the sitting position to the TV attitude. At this time, the front lift lever 231 is in contact with the front limit projection 221 . The functional sofa mechanical stretching device is maintained to maintain the TV attitude. The angle between the front guide bar 231 and the front lift bar 232 becomes small. The driving member 201 continues to extend, and the seat frame mounting plate 21 drives the backrest assembly 10 to tilt backward through the backrest linkage assembly 233 to adjust the functional sofa mechanical stretching device from the TV attitude to the lying posture. At this time, the rear lift lever 235 is in contact with the rear limit projection 222, so that the functional sofa mechanical stretching device maintains the lying posture. The angle between the rear guide bar 234 and the rear lift bar 235 becomes large. The angle between the connecting rod 236 and the rear lifting rod 235 becomes large.

通过上述设计，功能沙发机械伸展装置姿态转换时更加顺畅，速 度更快，并且处于躺姿时，姿态更低，更加舒适。Through the above design, the functional sofa mechanical stretching device has a smoother posture and a faster speed, and is lower in posture and more comfortable when in a lying posture.

对本领域的技术人员来说，可根据以上描述的技术方案以及构思，做出其它各种相应的改变以及形变，而所有的这些改变以及形变都应该属于本发明权利要求的保护范围之内。Various other changes and modifications may be made by those skilled in the art in light of the above-described technical solutions and concepts, and all such changes and modifications are intended to fall within the scope of the appended claims.

Claims (20)

一种功能沙发机械伸展装置，包括伸展支架，所述伸展支架包括靠背组件、座椅组件及腿部组件，所述座椅组件包括坐框安装板及基板，其特征在于：所述座椅组件还包括联动机构，所述联动机构包括腿部联动组件、靠背联动组件及连接杆，所述腿部组件转动安装于所述坐框安装板的前端，所述靠背组件转动安装于所述坐框安装板的后端，所述腿部联动组件两端分别与所述坐框安装板的前端及所述基板转动连接，所述靠背联动组件两端分别与所述坐框安装板的后端及所述基板转动连接，所述连接杆转动安装于所述基板并且两端分别与所述靠背联动组件及所述腿部联动组件转动连接。A functional sofa mechanical stretching device comprising a stretching bracket, the stretching bracket comprising a backrest assembly, a seat assembly and a leg assembly, the seat assembly comprising a frame mounting plate and a substrate, wherein the seat assembly The linkage mechanism further includes a leg linkage assembly, a backrest linkage assembly and a connecting rod, the leg assembly is rotatably mounted on a front end of the seat frame mounting plate, and the backrest assembly is rotatably mounted to the seat frame a rear end of the mounting plate, the two ends of the leg linkage assembly are respectively rotatably connected to the front end of the frame mounting plate and the substrate, and the two ends of the backrest linkage component respectively correspond to the rear end of the frame mounting plate and The base plate is rotatably connected, and the connecting rod is rotatably mounted on the base plate and the two ends are respectively rotatably connected to the backrest linkage assembly and the leg linkage assembly. 根据权利要求1所述的功能沙发机械伸展装置，其特征在于：所述腿部联动组件包括前导向杆及前抬升杆，所述前导向杆一端与所述坐框安装板的前端转动连接，另一端与所述前抬升杆转动连接，所述前抬升杆与所述基板转动连接。The functional sofa mechanical stretching device according to claim 1, wherein the leg linkage assembly comprises a front guiding rod and a front lifting rod, and one end of the front guiding rod is rotatably connected to a front end of the seat frame mounting plate. The other end is rotatably coupled to the front lift lever, and the front lift lever is rotatably coupled to the base plate. 根据权利要求2所述的功能沙发机械伸展装置，其特征在于：所述连接杆与所述前抬升杆转动连接。The functional sofa mechanical stretching device according to claim 2, wherein said connecting rod is rotatably coupled to said front lifting rod. 根据权利要求2所述的功能沙发机械伸展装置，其特征在于：所述基板包括前限位凸起，所述伸展支架转换至坐姿时，所述前抬升杆与所述前限位凸起抵触。The functional sofa mechanical stretching device according to claim 2, wherein the substrate comprises a front limiting protrusion, and the front lifting rod is in conflict with the front limiting protrusion when the stretching bracket is switched to the sitting position . 根据权利要求2所述的功能沙发机械伸展装置，其特征在于：所述伸展支架由坐姿调节至TV姿态时，所述前导向杆与所述前抬升杆之间的夹角变小。The functional sofa mechanical stretching device according to claim 2, wherein when the stretching bracket is adjusted from the sitting posture to the TV posture, an angle between the front guiding rod and the front lifting rod becomes small. 根据权利要求1所述的功能沙发机械伸展装置，其特征在于：所述靠背联动组件包括后导向杆及后抬升杆，所述后导向杆一端与所述坐框安装板的后端转动连接，另一端与所述后抬升杆转动连接，所述后抬升杆与所述基板转动连接。The functional sofa mechanical stretching device according to claim 1, wherein the backrest linkage assembly comprises a rear guiding rod and a rear lifting rod, and one end of the rear guiding rod is rotatably connected with a rear end of the seat frame mounting plate. The other end is rotatably coupled to the rear lift lever, and the rear lift lever is rotatably coupled to the base plate. 根据权利要求6所述的功能沙发机械伸展装置，其特征在于：所述连接杆与所述后抬升杆转动连接。The functional sofa mechanical stretching device according to claim 6, wherein the connecting rod is rotatably coupled to the rear lifting rod. 根据权利要求6所述的功能沙发机械伸展装置，其特征在于：所述基板包括后限位凸起，所述伸展支架转换至躺姿时，所述后抬升杆与所述后限位凸起抵触。The functional sofa mechanical stretching device according to claim 6, wherein the substrate comprises a rear limiting protrusion, and the rear lifting rod and the rear limiting protrusion are when the stretching bracket is switched to the lying position. conflict. 根据权利要求6所述的功能沙发机械伸展装置，其特征在于：所述基板设有滑槽，所述后导向杆包括定位销，所述定位销收容于所述滑槽并随所述伸展支架姿态的改变在所述滑槽中滑动。The functional sofa mechanical stretching device according to claim 6, wherein the substrate is provided with a sliding slot, the rear guiding rod comprises a positioning pin, and the positioning pin is received in the sliding slot and extends with the extending bracket The change in attitude slides in the chute. 根据权利要求6所述的功能沙发机械伸展装置，其特征在于：所述伸展支架由TV姿态调节至躺姿时，所述后导向杆与所述后抬升杆之间的夹角变大。The functional sofa mechanical stretching device according to claim 6, wherein when the stretching bracket is adjusted from the TV posture to the lying posture, an angle between the rear guiding rod and the rear lifting rod becomes large. 根据权利要求6所述的功能沙发机械伸展装置，其特征在于：所述伸展支架由TV姿态调节至躺姿时，所述连接杆与所述后抬升杆之间的夹角变大。The functional sofa mechanical stretching device according to claim 6, wherein when the stretching bracket is adjusted from the TV posture to the lying posture, an angle between the connecting rod and the rear lifting rod becomes large. 一种功能沙发机械伸展装置，包括底座、两伸展支架及驱动机构，每一所述伸展支架包括靠背组件、座椅组件及腿部组件，所述座椅组件包括坐框安装板及基板，所述驱动机构一端转动安装于所述 底座，另一端转动安装于所述坐框安装板，所述基板固定安装于所述底座，其特征在于：所述座椅组件还包括联动机构，所述联动机构包括腿部联动组件、靠背联动组件及连接杆，所述腿部组件转动安装于所述坐框安装板的前端，所述靠背组件转动安装于所述坐框安装板的后端，所述腿部联动组件两端分别与所述坐框安装板的前端及所述基板转动连接，所述靠背联动组件两端分别与所述坐框安装板的后端及所述基板转动连接，所述连接杆转动安装于所述基板并且两端分别与所述靠背联动组件及所述腿部联动组件转动连接。A functional sofa mechanical stretching device comprises a base, two extension brackets and a driving mechanism, each of the extension brackets comprising a backrest assembly, a seat assembly and a leg assembly, the seat assembly comprising a frame mounting plate and a substrate, The driving mechanism is rotatably mounted on the base at one end, and the other end is rotatably mounted on the frame mounting plate, and the substrate is fixedly mounted on the base, wherein the seat assembly further includes a linkage mechanism, and the linkage The mechanism includes a leg linkage assembly, a backrest linkage assembly and a connecting rod, the leg assembly is rotatably mounted on a front end of the frame mounting plate, and the backrest assembly is rotatably mounted on a rear end of the frame mounting plate, The two ends of the leg linkage assembly are respectively rotatably connected to the front end of the frame mounting plate and the substrate, and the two ends of the backrest linkage assembly are respectively rotatably connected to the rear end of the frame mounting plate and the substrate, The connecting rod is rotatably mounted on the base plate and the two ends are rotatably coupled to the backrest linkage assembly and the leg linkage assembly, respectively. 根据权利要求12所述的功能沙发机械伸展装置，其特征在于：所述驱动机构包括驱动件、推杆及两驱动连杆，所述驱动件两端转动安装于所述底座及所述推杆，每一所述驱动连杆转动安装于所述基板并且一端与所述坐框安装板转动连接，另一端与所述推杆转动连接。The functional sofa mechanical stretching device according to claim 12, wherein the driving mechanism comprises a driving member, a push rod and two driving links, and the driving member is rotatably mounted on the base and the push rod Each of the driving links is rotatably mounted on the substrate and one end is rotatably coupled to the frame mounting plate, and the other end is rotatably coupled to the push rod. 根据权利要求12所述的功能沙发机械伸展装置，其特征在于：所述驱动连杆包括连接片及曲柄，所述曲柄转动安装于基板并且与推杆及连接片转动连接。The functional sofa mechanical stretching device according to claim 12, wherein the driving link comprises a connecting piece and a crank, and the crank is rotatably mounted on the base plate and is rotatably coupled to the push rod and the connecting piece. 根据权利要求14所述的功能沙发机械伸展装置，其特征在于：所述连接片与坐框安装板转动连接。The functional sofa mechanical stretching device according to claim 14, wherein the connecting piece is rotatably coupled to the seat frame mounting plate. 根据权利要求14所述的功能沙发机械伸展装置，其特征在于：所述曲柄呈勾形。The functional sofa mechanical stretching device according to claim 14, wherein the crank has a hook shape. 根据权利要求13所述的功能沙发机械伸展装置，其特征在于：所述推杆与水平面平行。The functional sofa mechanical stretching device according to claim 13, wherein the push rod is parallel to a horizontal plane. 根据权利要求12所述的功能沙发机械伸展装置，其特征在于：所述腿部联动组件包括前导向杆及前抬升杆，所述前导向杆一端与所述坐框安装板的前端转动连接，另一端与所述前抬升杆转动连接，所述前抬升杆与所述基板转动连接。The functional sofa mechanical stretching device according to claim 12, wherein the leg linkage assembly comprises a front guiding rod and a front lifting rod, and one end of the front guiding rod is rotatably connected to a front end of the frame mounting plate. The other end is rotatably coupled to the front lift lever, and the front lift lever is rotatably coupled to the base plate. 根据权利要求18所述的功能沙发机械伸展装置，其特征在于：所述连接杆与所述前抬升杆转动连接。The functional sofa mechanical stretching device according to claim 18, wherein said connecting rod is rotatably coupled to said front lifting rod. 根据权利要求12所述的功能沙发机械伸展装置，其特征在于：所述靠背联动组件包括后导向杆及后抬升杆，所述后导向杆一端与所述坐框安装板的后端转动连接，另一端与所述后抬升杆转动连接，所述后抬升杆与所述基板转动连接。The functional sofa mechanical stretching device according to claim 12, wherein the backrest linkage assembly comprises a rear guide bar and a rear lift bar, and one end of the rear guide bar is rotatably connected to a rear end of the frame mounting plate. The other end is rotatably coupled to the rear lift lever, and the rear lift lever is rotatably coupled to the base plate.
PCT/CN2018/080375 2018-01-16 2018-03-24 Functional sofa mechanical stretching device Ceased WO2019140776A1 (en)

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