EP3718438B1 - Sofatragstruktur und sofa dafür - Google Patents

Sofatragstruktur und sofa dafür Download PDF

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Publication number
EP3718438B1
EP3718438B1 EP19020405.7A EP19020405A EP3718438B1 EP 3718438 B1 EP3718438 B1 EP 3718438B1 EP 19020405 A EP19020405 A EP 19020405A EP 3718438 B1 EP3718438 B1 EP 3718438B1
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EP
European Patent Office
Prior art keywords
link
pivotally connected
bracket
sofa
assembly
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.)
Active
Application number
EP19020405.7A
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English (en)
French (fr)
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EP3718438A1 (de
Inventor
Zhongqiang Fei
Xiqi Sun
Shaoqiang Fei
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.)
Haining My Home Mechanism Co Ltd
Original Assignee
Haining My Home Mechanism Co Ltd
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.)
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Publication date
Application filed by Haining My Home Mechanism Co Ltd filed Critical Haining My Home Mechanism Co Ltd
Priority to PL19020405T priority Critical patent/PL3718438T3/pl
Publication of EP3718438A1 publication Critical patent/EP3718438A1/de
Application granted granted Critical
Publication of EP3718438B1 publication Critical patent/EP3718438B1/de
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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • 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
    • 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
    • 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
    • A47C17/86—Parts or details for beds, sofas or couches only not fully covered in a single one of the sub-groups A47C17/02, A47C17/04, A47C17/38, A47C17/52, A47C17/64, or A47C17/84; Drawers in or under beds
    • 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
    • A47C7/002—Chair or stool bases
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C7/00—Parts, details, or accessories of chairs or stools
    • A47C7/36—Support for the head or the back
    • A47C7/40—Support for the head or the back for the back
    • A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
    • A47C7/462—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs adjustable by mechanical means

Definitions

  • the present disclosure relates to smart furniture and in particular to a sofa support structure and a sofa having the sofa support structure.
  • An adjustable sofa can be adjusted its own inclination by an inner sofa bracket structure.
  • the inner sofa bracket structure includes many elements and is more complicated, and its stability is poor.
  • CN 103 622 360 A discloses a multifunctional sofa which comprises a sofa main body and a sofa bracket connected with the sofa main body in a matched way, wherein the sofa main body comprises a seat cushion, a pedal, a backrest and armrests; the sofa bracket comprises a seat cushion bracket, a connecting rod assembly which is arranged below the seat cushion bracket and is hinged with the seat cushion bracket, a pedal bracket which is hinged with the seat cushion bracket and the connecting rod assembly respectively and can be stretched and folded, an arc-shaped supporting plate which is hinged to the bottom of the connecting rod assembly and is used for supporting the seat cushion bracket, a slide rod slidably arranged on the arc-shaped supporting plate, and a backrest bracket arranged at the rear end of the seat cushion bracket; the back surface of the backrest is arc-shaped and is connected with the backrest bracket in a matched way; one side of the backrest bracket is hinged with the slide rod, and the other side of the backrest bracket is hinged with the seat cushion bracket.
  • CN 104 720 419 A discloses a mechanical stretching device for a movable sofa and provides the mechanical stretching device for the movable sofa and with a connecting rod device.
  • the connecting rod design is adopted; parts are connected through rivets.
  • the present disclosure provides a sofa support structure according to claim 1 and a sofa, which is simpler and has good stability. Further advantageous embodiments are the subject-matter of the dependent claims.
  • the sofa support structure includes according to the invention a footrest link set, a lumbar support set, a transmission rod set and a cushion bracket.
  • the footrest link set, the lumbar support set and the transmission rod set are disposed on the cushion bracket.
  • the transmission rod set is configured for driving the lumbar support set to be gathered and extended.
  • the transmission rod set is a transmission rod.
  • a first end of the transmission rod is rotatably connected to the lumbar support set and a second end of the transmission rod is pivotally connected to the footrest link set.
  • the lumbar support set includes according to the invention a first link assembly, a second link assembly, a third link assembly and a lumbar bracket.
  • the first link assembly is pivotally connected to the transmission rod and the cushion bracket, respectively.
  • the second link assembly is pivotally connected to the cushion bracket and the lumbar bracket, respectively.
  • the third link assembly is pivotally connected to the first link assembly and the second link assembly, respectively.
  • the footrest link set includes according to the invention a fifth link, a sixth link, a seventh link, an eighth link, a ninth link, a footrest bracket, and a tenth link.
  • a first end of the fifth link is pivotally connected to the cushion bracket and the transmission rod.
  • a first end of the sixth link is pivotally connected to a second end of the fifth link.
  • a first end of the seventh link is pivotally connected to a second end of the sixth link.
  • a first end of the eighth link is pivotally connected to a second end of the seventh link.
  • a first end of the ninth link is pivotally connected to a second end of the eighth link.
  • a second end of the ninth link is pivotally connected to the cushion bracket.
  • the ninth link is fixedly connected to an external driving device by a first fastener.
  • the footrest bracket is pivotally connected to the seventh link.
  • a first end of the tenth link is pivotally connected to the first end of the eighth link, and a second end of the tenth link is further pivotally connected to the footrest bracket.
  • the first link assembly can include a second link, a third link, and a fourth link.
  • a first end of the second link can be pivotally connected to the transmission rod.
  • a first end of the third link can be pivotally connected to the first end of the second link, and a second end of the third link can be pivotally connected to the cushion bracket.
  • a first end of the fourth link can be pivotally connected to a second end of the second link, and a second end of the fourth link can be pivotally connected to the cushion bracket.
  • the second link assembly can include an eleventh link, a twelfth link, and a thirteenth link.
  • a first end of the eleventh link can be pivotally connected to the lumbar bracket.
  • a first end of the twelfth link can be pivotally connected to a second end of the eleventh link by a first pivot.
  • a first end of the thirteenth link is pivotally connected to the first end of the twelfth link by a second pivot.
  • a middle part of the thirteenth link can be pivotally connected to the cushion bracket.
  • a second end of the thirteenth link can be pivotally connected to the lumbar bracket.
  • the lumbar bracket can include a limiting element configured for limiting the eleventh link.
  • the third link assembly can include a fourteenth link, a fifteenth link, a sixteenth link, a seventeenth link, an eighteenth link, a nineteenth link, a twentieth link, and a twenty-first link.
  • a first end of the fourteenth link can be pivotally connected to a second end of the twelfth link.
  • a first end of the fifteenth link can be pivotally connected to a second end of the fourteenth link.
  • a first end of the sixteenth link can be pivotally connected to a second end of the fifteenth link.
  • a first end of the seventeenth link can be pivotally connected to a second end of the sixteenth link.
  • a first end of the eighteenth link can be pivotally connected to a second end of the seventeenth link.
  • a first end of the nineteenth link can be pivotally connected to a second end of the eighteenth link and a second end of the nineteenth link can be pivotally connected to the fifteenth link.
  • a first end of the twentieth link can be pivotally connected to the eighteenth link and a second end of the twentieth link can be pivotally connected to the fifteenth link.
  • a first end of the twenty-first link can be pivotally connected to the twentieth link and a second link of the twenty-first link can be pivotally connected to the seventeenth link.
  • the sofa support structure can further include a second fastener disposed on the fifteenth link and fixedly connected to the external driving device.
  • the first link assembly can further include a twenty-second link.
  • a first end of the twenty-second link can be pivotally connected to the second link, and a second end of the twenty-second link can be pivotally connected to the sixteenth link.
  • a sofa including the sofa support structure is further provided.
  • the provided sofa support structure and the sofa have following advantages.
  • the transmission rod set can be driven by the footrest link set, and further drive the lumbar support set to rotate through the transmission rod set. So that the sofa support structure can be adjusted to be at a folded state or an unfolded state.
  • the lumbar support set can be driven to rotate and unfolded only by the single transmission rod, which effectively simplifies the driving process of the lumbar support set and the structure of the sofa support structure and resulting in it has better stability.
  • the sofa support structure 100 can be used in a sofa, a deck chair and other furniture similar to the sofa.
  • the sofa support structure 100 includes a footrest link set 10, a lumbar support set 20, a transmission rod set and a cushion bracket 40.
  • the footrest link set 10, the lumbar support set 20 and the transmission rod set are disposed on the cushion bracket 40.
  • the transmission rod set is configured for driving the lumbar support set 20 to be gathered and extended.
  • the transmission rod set only includes a single transmission rod 30.
  • a first end of the transmission rod 30 is rotatably connected to the lumbar support set 20.
  • a second end of the transmission rod 30 is pivotally connected to the footrest link set 10.
  • the footrest link set 10 can be pivotally connected to an external driving device configured for driving the footrest link set 10.
  • the sofa support structure 100 can be at a folded state.
  • the transmission rod 30 will be driven by the footrest link set 10 to make the lumbar support set 20 rotate and unfold.
  • the lumbar support set 20 can be driven to unfold only by the single transmission rod 30, which effectively simplifies the driving process of the lumbar support set 20 and the structure of the sofa support structure 100 and resulting in it has better stability.
  • the lumbar support set 20 includes a first link assembly 21, a second link assembly 22, a third link assembly 23 and a lumbar bracket 24.
  • the first link assembly 21 is pivotally connected to the transmission rod 30 and the cushion bracket 40, respectively.
  • the second link assembly 22 is pivotally connected to the cushion bracket 40 and the lumbar bracket 24, respectively.
  • the third link assembly 23 is pivotally connected to the first link assembly 21 and the second link assembly 22, respectively.
  • the first link assembly 21 can move under the driving of the footrest link set 10, resulting in the second link assembly 22 and the third link assembly 23 move.
  • the lumbar bracket 24 will move together under the moving of the second link assembly 22, resulting in being unfolded.
  • the lumbar bracket 24 can be altered between the unfolded state and the folded state.
  • the lumbar bracket 24 can have a first unfolded angle in the driving process of the footrest link set 10. The first unfolded angle and the height of the lumbar bracket 24 are adjustable.
  • the first link assembly 21 can include a second link 211, a third link 212 and a fourth link 213.
  • a first end of the second link 211 is pivotally connected to the transmission rod 30.
  • a first end of the third link 212 is pivotally connected to the first end of the second link 211.
  • a second end of the third link 212 is pivotally connected to the cushion bracket 40.
  • a first end of the fourth link 213 is pivotally connected to a second end of the second link 211, and a second end of the fourth link 213 is pivotally connected to the cushion bracket 40.
  • the transmission rod 30 can be configured for driving the first link assembly 21 and be able to move under the driving of the footrest link set 10. Under the driving of the transmission rod 30, the second link 211, the third link 212 and the fourth link 213 will correspondingly move, resulting in the first link assembly 21 being unfolded.
  • the first link assembly 21 can be altered between the unfolded state and the folded state.
  • a plurality of through holes can be disposed on the second link 211, so that one skilled in the art can install other elements such as pipe fittings, if they are needed.
  • the first end of the transmission rod 30 can be curved, and the first end of the transmission rod 30 is pivotally connected to the first end of the second link 211 by a pivot which is about one third from the first end of the second link 211. It is understood that, the first end of the transmission rod 30 can be pivotally connected to other parts of the second link 211 according to needs.
  • the footrest link set 10 can include a fifth link 11, a sixth link 12, a seventh link 13, an eighth link 14, and a ninth link 15.
  • a first end of the fifth link (11) is pivotally connected to the cushion bracket 40 and the transmission rod 30.
  • a first end of the sixth link 12 is pivotally connected to a second end of the fifth link 11.
  • a first end of the seventh link 13 is pivotally connected to a second end of the sixth link 12.
  • a first end of the eighth link 14 is pivotally connected to a second end of the seventh link 13.
  • a first end of the ninth link 15 is pivotally connected to a second end of the eighth link 14.
  • a second end of the ninth link 15 is pivotally connected to the cushion bracket 40.
  • the footrest link set 10 can further include a first fastener 16.
  • the first fastener 16 can be disposed on the ninth link 15.
  • the first fastener 16 can be connected to an external driving device, like a motor, a pneumatic driving device. That is, the ninth link 15 is fixedly connected to the external driving device by the first fastener 16.
  • the first fastener 16 can be driven to move by the external driving device, resulting in the ninth link 15 moves and the fifth link 11, the sixth link 12, the eighth link 14, and the seventh link 13 correspondingly moves. Thereby, the footrest link set 10 will be unfolded or folded.
  • the footrest link set 10 can be altered between the unfolded state and the folded state.
  • the seventh link 13 can have a triangular shape.
  • the seventh link 13 can have a third end besides the first end of the seventh link 13 and the second end of the seventh link 13.
  • the footrest link set 10 can further include a footrest bracket 17 and a footrest bracket 18.
  • the footrest bracket 17 is pivotally connected to the third end of the seventh link 13.
  • a first end of the tenth link 18 is pivotally connected to the first end of the eighth link 14, and a second end of the tenth link 18 is further pivotally connected to the footrest bracket 17.
  • the footrest bracket 17 can be driven to move and rotate under a synergy of each link of the footrest link set 10, in order to facilitate adjusting a second unfolded angle of the footrest bracket 17. It can effectively improve the comfort of the user using the sofa having the sofa support structure 100.
  • each link of the footrest groups 10 can cooperate with each other to support the footrest bracket 17, thereby improving the stability of the footrest bracket 17 in use.
  • the second link assembly 22 can include an eleventh link 221, a twelfth link 222, and a thirteenth link 223.
  • a first end of the eleventh link 221 is pivotally connected to the lumbar bracket 24.
  • a first end of the twelfth link 222 is pivotally connected to a second end of the eleventh link 221 by a first pivot.
  • a first end of the thirteenth link 223 is pivotally connected to the first end of the twelfth link 222 by a second pivot, a middle part of the thirteenth link 223 is pivotally connected to the cushion bracket 40, and a second end of the thirteenth link 223 is pivotally connected to the lumbar bracket 24.
  • the lumbar bracket 24 can include a limiting element 241 configured for limiting the eleventh link 221, especially a rotating angle of the first end of the eleventh link 221. That is, when the second link assembly 22 is at the unfolded state, the rotating angle of the first end of the eleventh link 221 can be limited by the limiting element 241, in order to limit the first unfolded angle of the lumbar bracket 24.
  • the lumbar bracket 24 can be supported by the synergistic action of the limiting element 241 and the second link assembly 22.
  • the lumbar support 24 can have an "L" shape, so that the lumbar support 24 can adapt to the structure of a sofa back of the sofa.
  • the thirteenth link 223 has a "U” shape. The thirteenth link 223 has the first end, the second end and the middle part between the first end and the second end.
  • the third link assembly 23 can include a fourteenth link 231, a fifteenth link 232, a sixteenth link 233, a seventeenth link 234, an eighteenth link 235, a nineteenth link 236, a twentieth link 237, and a twenty-first link 238.
  • a first end of the fourteenth link 231 is pivotally connected to a second end of the twelfth link 222.
  • a first end of the fifteenth link 232 is pivotally connected to a second end of the fourteenth link 231.
  • a first end of the sixteenth link 233 is pivotally connected to a second end of the fifteenth link 232.
  • a first end of the seventeenth link 234 is pivotally connected to a second end of the sixteenth link 233.
  • a first end of the eighteenth link 235 is pivotally connected to a second end of the seventeenth link 234.
  • a first end of the nineteenth link 236 is pivotally connected to a second end of the eighteenth link 235, and a second end of the nineteenth link 236 is pivotally connected to the fifteenth link 232.
  • a first end of the twentieth link 237 is pivotally connected to the eighteenth link 235, and a second end of the twentieth link 237 is pivotally connected to the fifteenth link 232.
  • a first end of the twenty-first link 238 is pivotally connected to the twentieth link 237, and a second end of the twenty-first link 238 is pivotally connected to the seventeenth link 234.
  • a second fastener 50 can be disposed on the fifteenth link 232 and fixedly connected to the external driving device. The first fastener 16 and the second fastener 50 can be located on two ends of the external driving device, respectively.
  • the first link assembly 21 further comprises a twenty-second link 214.
  • a first end of the twenty-second link 214 is pivotally connected to the second link 211, and a second end of the twenty-second link 214 is pivotally connected to the sixteenth link 233. So that the twenty-second link 214 is driven by the second link 211 to drive the sixteenth link 233 to move, and further drive the other links of the third link assembly 23 to move.
  • the third link assembly 23 can be altered from the folded state to the unfolded state or from the unfolded state to the folded state.
  • the third link assembly 23 can be movable under driving of the twenty-second link 214 of the first link assembly 21 and cooperate with the second link assembly 22 to dynamically adjust the lumbar bracket 24.
  • each of the links can be connected by means of hinge, riveting or the like.
  • the external driving device mounted on the first fastener 16 and the second fastener 50 can be a motor, and a moving process of the sofa support structure 100 can be described as follows.
  • the sofa support structure 100 is initially folded (as shown in FIG. 4 ). Then, the motor will drive the first fastener 16, then the ninth link 15 will be driven to move, leading to the fifth link 11, the sixth link 12, the seventh link 13, the eighth link 14, and the tenth link 18 move together. That is, the footrest link set 10 will be adapted to the unfolded state from the folded state. At the same time, the footrest bracket 17 will rotate and move far away from the cushion bracket 40 when the fifth link 11, the sixth link 12, the seventh link 13, the eighth link 14, the ninth link 15, and the tenth link 18 move together. That is, the footrest bracket 17 will be adapted to the unfolded state from the folded state (as shown in FIG. 3 ).
  • the transmission rod 30 When the fifth link 11 is moving, the transmission rod 30 will be driven to move and rotate by the fifth link 11, then the second link 211, the third link 212, the fourth link 213, the twenty-second link 214 will move together.
  • the first link assembly will be adapted to the unfolded state from the folded state (as shown in FIG. 4 ).
  • the second end of the twenty-second link 214 is pivotally connected to the sixteenth link 233, so that when the twenty-second link 214 is moving, the sixteenth link 233 will be moving together.
  • the fourteenth link 231, the fifteenth link 232, the sixteenth link 233, the seventeenth link 234, the eighteenth link 235, the nineteenth link 236, the twentieth link 237, and the twenty-first link 238 will move together.
  • the third link assembly 23 will be adapted to the unfolded state from the folded state (as shown in FIG. 1 ).
  • the lumbar bracket 24 can have a first unfolded angle in the driving process of the footrest link set 10 (as shown in FIG. 1 ). The first unfolded angle and the height of the lumbar bracket 24 are adjustable.
  • the present disclosure further provides a sofa (not shown).
  • the sofa includes the sofa support structure 100.
  • the sofa support structure 100 and the sofa have following advantages.
  • the footrest link set 10 can be driven by the external driving device.
  • the transmission rod 30, the first link assembly 21, the second link assembly 22, the third link assembly 23, and the lumbar bracket 24 can be driven by the footrest link set 10. So that the sofa support structure 100 can be adjusted to be at the folded state or the unfolded state.
  • the first link assembly 21 can be driven to rotate and unfold only by the transmission rod 30, which effectively simplifies the driving process of the first link assembly 21 and the structure of the sofa support structure 100 and resulting in it has better stability.

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  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Nursing (AREA)
  • Dentistry (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Chair Legs, Seat Parts, And Backrests (AREA)

Claims (8)

  1. Sofastützstruktur (100), umfassend: einen Fußstützenverbindungsgliedsatz (10), einen Lendenwirbelstützsatz (20), einen Übertragungsstangensatz und eine Polsterhalterung (40), wobei der Fußstützenverbindungsgliedsatz (10), der Lendenwirbelstützsatz (20) und der Übertragungsstangensatz an der Polsterhalterung (40) angeordnet sind, der Übertragungsstangensatz dazu konfiguriert ist, den Lendenwirbelstützsatz (20) einfahren und ausfahren zu lassen, wobei der Übertragungsstangensatz eine Übertragungsstange (30) ist, ein erstes Ende der Übertragungsstange (30) drehbar mit dem Lendenwirbelstützsatz (20) verbunden ist und ein zweites Ende der Übertragungsstange (30) schwenkbar mit dem Fußstützenverbindungsgliedsatz (10) verbunden ist;
    wobei der Lendenwirbelstützsatz (20) eine erste Verbindungsgliedbaugruppe (21), eine zweite Verbindungsgliedbaugruppe (22), eine dritte Verbindungsgliedbaugruppe (23) und eine Lendenwirbelhalterung (24) umfasst,
    wobei die erste Verbindungsgliedbaugruppe (21) jeweils schwenkbar mit der Übertragungsstange (30) und der Polsterhalterung (40) verbunden ist;
    die zweite Verbindungsgliedbaugruppe (22) jeweils schwenkbar mit der Polsterhalterung (40) und der Lendenwirbelhalterung (24) verbunden ist;
    die dritte Verbindungsgliedbaugruppe (23) jeweils schwenkbar mit der ersten Verbindungsgliedbaugruppe (21) und der zweiten Verbindungsgliedbaugruppe (22) verbunden ist;
    dadurch gekennzeichnet, dass der Fußstützenverbindungsgliedsatz (10) umfasst:
    ein fünftes Verbindungsglied (11), wobei ein erstes Ende des fünften Verbindungsglieds (11) schwenkbar mit der Polsterhalterung (40) und der Übertragungsstange (30) verbunden ist;
    ein sechstes Verbindungsglied (12), wobei ein erstes Ende des sechsten Verbindungsglieds (12) schwenkbar mit einem zweiten Ende des fünften Verbindungsglieds (11) verbunden ist;
    ein siebtes Verbindungsglied (13), wobei ein erstes Ende des siebten Verbindungsglieds (13) schwenkbar mit einem zweiten Ende des sechsten Verbindungsglieds (12) verbunden ist;
    ein achtes Verbindungsglied (14), wobei ein erstes Ende des achten Verbindungsglieds (14) schwenkbar mit einem zweiten Ende des siebten Verbindungsglieds (13) verbunden ist;
    ein neuntes Verbindungsglied (15), wobei ein erstes Ende des neunten Verbindungsglieds (15) schwenkbar mit einem zweiten Ende des achten Verbindungsglieds (14) verbunden ist, ein zweites Ende des neunten Verbindungsglieds (15) schwenkbar mit der Polsterhalterung (40) verbunden ist und das neunte Verbindungsglied (15) durch einen ersten Befestiger (16) fest mit einer externen Antriebsvorrichtung verbunden ist;
    eine Fußstützenhalterung (17), die schwenkbar mit dem siebten Verbindungsglied (13) verbunden ist; und ein zehntes Verbindungsglied (18), wobei ein erstes Ende des zehnten Verbindungsglieds (18) schwenkbar mit dem ersten Ende des achten Verbindungsglieds (14) verbunden ist und ein zweites Ende des zehnten Verbindungsglieds (18) schwenkbar mit der Fußstützenhalterung (17) verbunden ist.
  2. Sofastützstruktur (100) nach Anspruch 1, wobei die erste Verbindungsgliedbaugruppe (21) umfasst:
    ein zweites Verbindungsglied (211), wobei ein erstes Ende des zweite Verbindungsglieds (211) schwenkbar mit der Übertragungsstange (30) verbunden ist;
    ein drittes Verbindungsglied (212), wobei ein erstes Ende des dritten Verbindungsglieds (212) schwenkbar mit dem ersten Ende des zweiten Verbindungsglieds (211) verbunden ist und ein zweites Ende des dritten Verbindungsglieds (212) schwenkbar mit der Polsterhalterung (40) verbunden ist; und
    ein viertes Verbindungsglied (213), wobei ein erstes Ende des vierten Verbindungsglieds (213) schwenkbar mit einem zweiten Ende des zweiten Verbindungsglieds (211) verbunden ist und ein zweites Ende des vierten Verbindungsglieds (213) schwenkbar mit der Polsterhalterung (40) verbunden ist.
  3. Sofastützstruktur (100) nach Anspruch 1 oder 2, dadurch gekennzeichnet, dass die zweite Verbindungsgliedbaugruppe (22) umfasst:
    ein elftes Verbindungsglied (221), wobei ein erstes Ende des elften Verbindungsglieds (221) schwenkbar mit der Lendenwirbelhalterung (24) verbunden ist;
    ein zwölfte Verbindungsglied (222), wobei ein erstes Ende des zwölften Verbindungsglieds (222) durch einen ersten Schwenkzapfen (222a) schwenkbar mit einem zweiten Ende des elften Verbindungsglieds (221) verbunden ist; und
    ein dreizehntes Verbindungsglied (223), wobei ein erstes Ende des dreizehnten Verbindungsglieds (223) durch einen zweiten Schwenkzapfen (222b) schwenkbar mit dem erste Ende des zwölften Verbindungsglieds (222) verbunden ist, ein mittlerer Teil des dreizehnten Verbindungsglieds (223) schwenkbar mit der Polsterhalterung (40) verbunden ist und ein zweites Ende des dreizehnten Verbindungsglieds (223) schwenkbar mit der Lendenwirbelhalterung (24) verbunden ist.
  4. Sofastützstruktur (100) nach Anspruch 3, dadurch gekennzeichnet, dass die Lendenwirbelhalterung (24) ein Begrenzungselement (241) umfasst, das zum Begrenzen des elften Verbindungsglieds (221) konfiguriert ist.
  5. Sofastützstruktur (100) nach Anspruch 3, dadurch gekennzeichnet, dass die dritte Verbindungsgliedbaugruppe (23) umfasst:
    ein vierzehntes Verbindungsglied (231), wobei ein erstes Ende des vierzehnten Verbindungsglieds (231) schwenkbar mit einem zweiten Ende des zwölften Verbindungsglieds (222) verbunden ist;
    ein fünfzehntes Verbindungsglied (232), wobei ein erstes Ende des fünfzehnten Verbindungsglieds (232) schwenkbar mit einem zweiten Ende des vierzehnten Verbindungsglieds (231) verbunden ist;
    ein sechzehntes Verbindungsglied (233), wobei ein erstes Ende des sechzehnten Verbindungsglieds (233) schwenkbar mit einem zweiten Ende des fünfzehnten Verbindungsglieds (232) verbunden ist;
    ein siebzehntes Verbindungsglied (234), wobei ein erstes Ende des siebzehnten Verbindungsglieds (234) schwenkbar mit einem zweiten Ende des sechzehnten Verbindungsglieds (233) verbunden ist;
    ein achtzehntes Verbindungsglied (235), wobei ein erstes Ende des achtzehnten Verbindungsglieds (235) schwenkbar mit einem zweiten Ende des siebzehnten Verbindungsglieds (234) verbunden ist;
    ein neunzehntes Verbindungsglied (236), wobei ein erstes Ende des neunzehnten Verbindungsglieds (236) schwenkbar mit einem zweiten Ende des achtzehnten Verbindungsglieds (235) verbunden ist und ein zweites Ende des neunzehnten Verbindungsglieds (236) schwenkbar mit der fünfzehnten Verbindungsglied (232) verbunden ist;
    ein zwanzigstes Verbindungsglied (237), wobei ein erstes Ende des zwanzigsten Verbindungsglieds (237) schwenkbar mit dem achtzehnten Verbindungsglied (235) verbunden ist und ein zweites Ende des zwanzigsten Verbindungsglieds (237) schwenkbar mit dem fünfzehnten Verbindungsglied (232) verbunden ist; und
    ein einundzwanzigstes Verbindungsglied (238), wobei ein erstes Ende des einundzwanzigsten Verbindungsglieds (238) schwenkbar mit dem zwanzigsten Verbindungsglied (237) verbunden ist und ein zweites Ende des einundzwanzigsten Verbindungsglieds (238) schwenkbar mit dem siebzehnten Verbindungsglied (234) verbunden ist.
  6. Sofastützstruktur (100) nach Anspruch 5, ferner gekennzeichnet durch einen zweiten Befestiger (50), der am fünfzehnten Verbindungsglied (232) angeordnet ist und fest mit der externen Antriebsvorrichtung verbunden ist.
  7. Sofastützstruktur (100) nach Anspruch 5, dadurch gekennzeichnet, dass die erste Verbindungsgliedbaugruppe (21) ferner ein zweiundzwanzigstes Verbindungsglied (214) umfasst, wobei ein erstes Ende des zweiundzwanzigsten Verbindungsglieds (214) schwenkbar mit dem zweite Verbindungsglied (211) verbunden ist und ein zweites Ende des zweiundzwanzigsten Verbindungsglieds (214) schwenkbar mit dem sechzehnten Verbindungsglied (233) verbunden ist.
  8. Sofa, dadurch gekennzeichnet, dass das Sofa eine Sofastützstruktur (100) nach einem der Ansprüche 1 bis 7 umfasst.
EP19020405.7A 2019-04-02 2019-06-26 Sofatragstruktur und sofa dafür Active EP3718438B1 (de)

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CN201910263301.6A CN111759120B (zh) 2019-04-02 2019-04-02 沙发支架结构及沙发

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CN (1) CN111759120B (de)
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CN214258669U (zh) 2021-01-19 2021-09-24 德沃康科技集团有限公司 一种可调节支架和高脚沙发

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US8419122B2 (en) * 2010-01-25 2013-04-16 L & P Property Management Company Zero-wall clearance linkage mechanism for a high-leg seating unit
US8616626B2 (en) * 2011-03-14 2013-12-31 L & P Property Management Company Linkage mechanism for a high-leg seating unit
CN102657449B (zh) * 2012-05-21 2014-12-31 锐迈机械科技（吴江）有限公司 一种活动沙发机械伸展装置
CN103381031B (zh) * 2013-07-09 2016-04-13 安吉县盛信办公家具有限公司 一种沙发伸展装置
CN103622360B (zh) * 2013-12-17 2016-03-23 广东联邦家私集团有限公司 多功能沙发
CN104720419A (zh) * 2014-11-04 2015-06-24 泰州市奥德家具配件有限公司 一种活动沙发机械伸展装置
CN106377110B (zh) * 2016-11-28 2019-03-05 沃曼家居（浙江）有限公司 沙发
CN207693293U (zh) * 2017-05-12 2018-08-07 东莞市捷科五金有限公司 一种双电机驱动的折叠沙发架

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HUE055486T2 (hu) 2021-11-29
CN111759120B (zh) 2022-05-31
CN111759120A (zh) 2020-10-13
DK3718438T3 (da) 2021-08-16
PL3718438T3 (pl) 2021-12-06
EP3718438A1 (de) 2020-10-07

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