EP4613151A1 - Höhenverstellbarer klappstuhl - Google Patents

Höhenverstellbarer klappstuhl

Info

Publication number
EP4613151A1
EP4613151A1 EP23884740.4A EP23884740A EP4613151A1 EP 4613151 A1 EP4613151 A1 EP 4613151A1 EP 23884740 A EP23884740 A EP 23884740A EP 4613151 A1 EP4613151 A1 EP 4613151A1
Authority
EP
European Patent Office
Prior art keywords
support
seat plate
cross rod
height
upper cross
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.)
Pending
Application number
EP23884740.4A
Other languages
English (en)
French (fr)
Other versions
EP4613151A4 (de
Inventor
Wei Chen
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.)
Guangzhou Gisili Baby Products Co Ltd
Original Assignee
Guangzhou Gisili Baby Products 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.)
Filing date
Publication date
Application filed by Guangzhou Gisili Baby Products Co Ltd filed Critical Guangzhou Gisili Baby Products Co Ltd
Publication of EP4613151A1 publication Critical patent/EP4613151A1/de
Publication of EP4613151A4 publication Critical patent/EP4613151A4/de
Pending legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C4/00—Foldable, collapsible or dismountable chairs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C4/00—Foldable, collapsible or dismountable chairs
    • A47C4/02—Dismountable chairs
    • A47C4/021—Dismountable chairs connected by slotted joints
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C4/00—Foldable, collapsible or dismountable chairs
    • A47C4/28—Folding chairs with flexible coverings for the seat or back elements
    • A47C4/30—Attachment of upholstery or fabric to frames
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
    • A47C3/20—Chairs or stools with vertically-adjustable seats
    • A47C3/36—Chairs or stools with vertically-adjustable seats with means, or adapted, for inclining the legs of the chair or stool for varying height of seat
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C4/00—Foldable, collapsible or dismountable chairs
    • A47C4/02—Dismountable chairs
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C4/00—Foldable, collapsible or dismountable chairs
    • A47C4/04—Folding chairs with inflexible seats
    • 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
    • A47C7/02—Seat parts
    • 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—Supports for the head or the back
    • A47C7/40—Supports for the head or the back for the back
    • A47C7/407—Supports for the head or the back for the back of collapsible type
    • 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—Supports for the head or the back
    • A47C7/40—Supports for the head or the back for the back
    • A47C7/42—Supports for the head or the back for the back of detachable or loose type
    • 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
    • A47C7/54—Supports for the arms
    • A47C7/541—Supports for the arms of adjustable type
    • 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
    • A47C7/54—Supports for the arms
    • A47C7/546—Supports for the arms of detachable type

Definitions

  • the present application relates to the field of furniture, and particularly to a height-adjustable folding chair.
  • a folding chair is an indispensable kind of furniture in modern life.
  • a folding chair with a height adjustable function comes into being.
  • Such folding chair is provided with a special height adjustment structure.
  • the structure of such folding chair is not complex, the cost thereof is increased due to the addition of a height adjustment mechanism.
  • the present application provides a height-adjustable folding chair, for solving the technical problems of relatively complex structure and relatively high cost of the existing height-adjustable folding chair due to the provision of a special height adjustment mechanism.
  • a height-adjustable folding chair comprises a first support, a second support, and a seat plate, wherein a middle section of the first support is connected to a middle section of the second support by means of a hinge shaft, a lower section of the first support and a lower section of the second support each have a bending angle, and two ends of the seat plate are pivotally secured with a first support upper cross rod and a second support upper cross rod respectively.
  • the seat plate has a side A and a side B facing away from the side A.
  • a bent section of the first support and a bent section of the second support are bent facing each other, in which case the side B of the seat plate faces upwards; or the bent section of the first support and the bent section of the second support are bent facing away from each other, in which case the side A of the seat plate faces upwards.
  • the seat plate is a soft-body seat plate comprising two tubes and a soft connecting body, wherein the two tubes are pivotally secured with the first support upper cross rod and the second support upper cross rod respectively, and two ends of the soft connecting body are connected to the two tubes respectively.
  • the seat plate is a hinge seat plate comprising a front plate and a rear plate, wherein a front end of the front plate is pivotally secured with the first support upper cross rod, a rear end of the rear plate is pivotally secured to the second support upper cross rod, a rear end of the front plate and a front end of the rear plate have square wave shapes engaging each other, and engaging portions are connected to each other by means of a transverse hinge shaft.
  • the seat plate is a sliding seat plate which is a rigid plate.
  • the sliding seat plate is provided with a slotted hole at a front side portion for pivotal secure with the first support upper cross rod, allowing the first support upper cross rod to slide within the sliding seat plate, and the sliding seat plate is provided with a round hole at a rear side portion for pivotal secure with the second support upper cross rod.
  • the first support comprises two parallel first support connecting rods and the first support upper cross rod, wherein the first support connecting rods each comprise a first support first connecting rod and a first support second connecting rod, two ends of the first support upper cross rod are connected to upper ends of the two first support first connecting rods respectively, a lower section of the first support first connecting rod is movably inserted into an upper end of the first support second connecting rod, a pin hole is provided at a side portion of a lower end of the first support first connecting rod, two pin holes are provided at a side portion of an insertion-receiving section of the first support second connecting rod, and relative positions of the first support first connecting rod and the first support second connecting rod are secured by inserting a pin into the corresponding pin holes.
  • the first support connecting rods each comprise a first support first connecting rod and a first support second connecting rod
  • two ends of the first support upper cross rod are connected to upper ends of the two first support first connecting rods respectively
  • a lower section of the first support first connecting rod is movably inserted into
  • the second support comprises two parallel second support connecting rods and the second support upper cross rod
  • the second support connecting rods each comprise a second support first connecting rod and a second support second connecting rod
  • two ends of the second support upper cross rod are connected to upper ends of the two second support first connecting rods respectively
  • a lower section of the second support first connecting rod is movably inserted into an upper end of the second support second connecting rod
  • a slotted hole is provided at a side portion of an inserted section of the second support first connecting rod
  • a pin hole is provided at a side portion of an upper end of the second support second connecting rod
  • a pin passing through the slotted hole is provided in the pin hole.
  • the second support comprises two second support connecting rods, two fixing sleeves, and one second support upper cross rod, wherein the two second support connecting rods are disposed in parallel, the two fixing sleeves are fixed to two ends of the second support upper cross rod respectively, the two fixing sleeves are slidably sleeved on upper ends of the two second support connecting rods respectively, and a fixing point is provided at the upper end of each of the second support connecting rods to prevent the corresponding fixing sleeve from slipping, thereby ensuring the lowest position of the corresponding fixing sleeve.
  • the height-adjustable folding chair further comprises a backrest support and a backrest fixing plate, wherein a lower end of the backrest support is pivotally secured with an upper section of the second support, a snap point is provided above a portion of the second support hinged to the backrest support, one end of the backrest fixing plate is pivotally secured to a lower section of the backrest support, and a snap opening fitting with the snap point is provided at the other end of the backrest fixing plate.
  • the height-adjustable folding chair further comprises an armrest support and a backrest support, wherein a lower end of the armrest support is pivotally secured with an upper end of the first support, an upper end of the backrest support is pivotally secured to an upper end of the armrest support, a snap point is provided at an upper end of the second support, and a snap opening fitting with the snap point is provided at a lower end of the backrest support.
  • the seat plate When the two supports are unfolded in an X shape, the seat plate is also unfolded and prevents the two supports from being excessively unfolded, the seat plate serves as a seat to bear pressure from the hip, and the two supports serve as chair legs to support the seat.
  • the chair legs formed by the supports are lower, and accordingly, the seat plate is at a lower position, forming a low-position folding chair (in this case, the side A of the seat plate faces upwards); and if the bent sections of the two supports in the unfolded state are bent facing each other, the chair legs formed by the supports are higher, and accordingly, the seat plate is at a higher position, forming a high-position folding chair (in this case, the side B of the seat plate faces upwards).
  • the height-adjustable folding chair achieves height adjustment and switch between the side A and the side B of the seat plate just by arranging the supports at a bending angle, omitting a special adjustment structure, resulting in a simpler structure and reduced production costs.
  • Embodiment 1 provides a height-adjustable folding chair, including a first support 1, a second support 2, and a seat plate 3.
  • the first support 1 and the second support 2 are each in a rectangle-like shape, the first support 1 is smaller and is nested in the second support 2, and middle sections of the two supports are connected to each other by means of a hinge shaft.
  • the rectangle-like shape means that a lower section of the first support 1 and a lower section of the second support 2 each have a bending angle.
  • the first support 1 has a bending angle of 29°
  • the second support 2 has a bending angle of 35°.
  • first support upper cross rod 11 and a second support upper cross rod 21 Two ends of the seat plate 3 are pivotally secured with a first support upper cross rod 11 and a second support upper cross rod 21 respectively.
  • first support 1 and the second support 2 are unfolded in an X shape, a bent section of the first support 1 and a bent section of the second support 2 are bent facing each other (also referred to as being bent inwards) or are bent facing away from each other (also referred to as being bent outwards).
  • the seat plate 3 is a soft-body seat plate 31 including two tubes 311 and a soft connecting body 312, wherein the two tubes 311 are pivotally secured to the first support upper cross rod 11 and the second support upper cross rod 21 respectively, and two ends of the soft connecting body 312 are connected to the two tubes 311 respectively.
  • the soft connecting body 312 may be fabric or a rope net.
  • the seat plate 3 is a hinge seat plate 32 including a front plate 321 and a rear plate 322 that are rigid, wherein a front end of the front plate 321 is pivotally secured with the first support upper cross rod 11, a rear end of the rear plate 322 is pivotally secured to the second support upper cross rod 21, a rear end of the front plate 321 and a front end of the rear plate 322 have square wave shapes engaging each other, and engaging portions are connected to each other by means of a transverse hinge shaft.
  • the seat plate 3 is a sliding seat plate 33 which is a rigid plate
  • the sliding seat plate 33 is provided with a slotted hole 7 at a front side portion for pivotal secure with the first support upper cross rod 11, allowing the first support upper cross rod to slide within the sliding seat plate
  • the sliding seat plate 33 is provided with a round hole (not shown in the figures) at a rear end for pivotal secure with the second support upper cross rod 21.
  • the seat plate 3 has a front side and a back side, which are a side A and a side B, respectively.
  • the seat plate 3 is also unfolded and prevents the two supports from being excessively unfolded, the seat plate 3 serves as a seat to bear pressure from the hip, and the two supports serve as chair legs to support the seat.
  • the chair legs formed by the supports are lower, and accordingly, the seat plate 3 is at a lower position, forming a low-position folding chair, in which case the side A of the seat plate 3 faces upwards; and if the bent sections of the two supports in the unfolded state are bent facing each other, the chair legs formed by the supports are higher, and accordingly, the seat plate 3 is at a higher position, forming a high-position folding chair, in which case the side B of the seat plate 3 faces upwards.
  • the height-adjustable folding chair achieves height adjustment and switch between the side A and the side B of the seat plate 3 just by arranging the supports at a bending angle, omitting a special adjustment structure, resulting in a simpler structure and reduced production costs.
  • the first support 1 includes two parallel first support connecting rods 12 and the first support upper cross rod 11, wherein each of the first support connecting rods 12 includes a first support first connecting rod 121 and a first support second connecting rod 122, two ends of the first support upper cross rod 11 are connected to upper ends of the two first support first connecting rods 121 respectively, a lower section of the first support first connecting rod 121 is movably inserted into an upper end of the first support second connecting rod 122, a pin hole 8 is provided at a side portion of a lower end of the first support first connecting rod 121, two pin holes 8 are provided at a side portion of an insertion-receiving section of the first support second connecting rod 122, and relative positions of the first support first connecting rod 121 and the first support second connecting rod 122 are secured by inserting a pin 9 into the pin holes 8.
  • the height of the first support connecting rod 12 is reduced, so that the first support upper cross rod 11 can pass underneath the second support upper cross rod 21, to exchange positions of the two supports, thereby adjusting the heights of the supports and the seat plate 3, and completing the height adjustment of the folding chair.
  • the position of the first support first connecting rod 121 is restored, and the pin 9 is inserted into the pin holes.
  • the second support 2 includes two parallel second support connecting rods 22 and the second support upper cross rod 21, wherein each of the second support connecting rods 22 includes a second support first connecting rod 221 and a second support second connecting rod 222, two ends of the second support upper cross rod 21 are connected to upper ends of the two second support first connecting rods 221 respectively, a lower section of the second support first connecting rod 221 is movably inserted into an upper end of the second support second connecting rod 222, a slotted hole 7 is provided at a side portion of an inserted section of the second support first connecting rod 221, a pin hole 8 is provided at a side portion of an upper end of the second support second connecting rod 222, and a pin 9 passing through the slotted hole 7 is provided in the pin hole 8.
  • the second support upper cross rod 21 can cross over the first support upper cross rod 11, to exchange positions of the two supports, thereby adjusting the heights of the supports and the seat plate 3, and completing the height adjustment of the folding chair.
  • the second support 2 includes two second support connecting rods 22, two fixing sleeves 23, and one second support upper cross rod 21, wherein the two second support connecting rods 22 are disposed in parallel, the two fixing sleeves 23 are fixed to two ends of the second support upper cross rod 21 respectively, the two fixing sleeves 23 are slidably sleeved on upper ends of the two second support connecting rods 22 respectively, and a fixing point 24 is provided at the upper end of each of the second support connecting rods 22 to prevent the corresponding fixing sleeve 23 from slipping, thereby ensuring the lowest position of the corresponding fixing sleeve 23.
  • the second support upper cross rod 21 may be lifted to a height to cause the second support upper cross rod 21 to be higher than the first support upper cross rod 11, ensuring that the first support upper cross rod 11 can pass underneath the second support upper cross rod 21, to exchange positions of the two supports, thereby adjusting the heights of the supports and the seat plate 3, and completing the height adjustment of the folding chair.
  • the height-adjustable folding chair further includes a backrest support 4 and a backrest fixing plate 5, wherein a lower end of the backrest support 4 is pivotally secured with an upper section of the second support 2, a snap point 25 is provided above a portion of the second support 2 hinged to the backrest support 4, one end of the backrest fixing plate 5 is pivotally secured with a lower section of the backrest support 4, and a snap opening 10 fitting with the snap point 25 is provided at the other end of the backrest fixing plate 5.
  • the foldable backrest support 4 may be added to the folding chair of Embodiment 1 as a backrest of the chair, to improve comfortableness for a user.
  • the height-adjustable folding chair further includes an armrest support 6 and a backrest support 4, wherein a lower end of the armrest support 6 is pivotally secured with an upper end of the first support 1, an upper end of the backrest support 4 is pivotally secured with an upper end of the armrest support 6, a snap point 25 is provided at an upper end of the second support 2, and a snap opening 10 fitting with the snap point 25 is provided at a lower end of the backrest support 4.
  • the foldable backrest support 4 may be added to the folding chair of Embodiment 1 as a backrest of the chair and the foldable armrest support 6 may be added as armrests, to improve comfortableness for a user.
  • the illustration is provided in a situation where the first support is smaller than the second support, and on the basis of the inventive concept of the present application, those skilled in the art may design the second support[YX1] to be larger than the second support, which still falls into the scope of protection of the present application.

Landscapes

  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)
  • Chairs Characterized By Structure (AREA)
  • Special Chairs (AREA)
EP23884740.4A 2022-11-03 2023-10-27 Höhenverstellbarer klappstuhl Pending EP4613151A4 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202211373752.3A CN115486650B (zh) 2022-11-03 2022-11-03 一种高低折叠椅
PCT/CN2023/126979 WO2024093808A1 (zh) 2022-11-03 2023-10-27 一种高低折叠椅

Publications (2)

Publication Number Publication Date
EP4613151A1 true EP4613151A1 (de) 2025-09-10
EP4613151A4 EP4613151A4 (de) 2026-03-04

Family

ID=85115472

Family Applications (1)

Application Number Title Priority Date Filing Date
EP23884740.4A Pending EP4613151A4 (de) 2022-11-03 2023-10-27 Höhenverstellbarer klappstuhl

Country Status (6)

Country Link
US (1) US20250143465A1 (de)
EP (1) EP4613151A4 (de)
JP (1) JP2025535525A (de)
KR (1) KR20250123778A (de)
CN (1) CN115486650B (de)
WO (1) WO2024093808A1 (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115486650B (zh) * 2022-11-03 2026-02-27 广州吉嗣利婴儿用品有限公司 一种高低折叠椅
CN117481477A (zh) * 2023-10-24 2024-02-02 中山世镁乐日用品有限公司 一种多功能的家具

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KR20200007615A (ko) * 2018-07-14 2020-01-22 주명준 높이 조절이 가능한 접이식 의자
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JP3230730U (ja) * 2020-12-03 2021-02-18 森川産業株式会社 携帯用椅子
CN113876131B (zh) * 2021-11-09 2024-08-23 广州吉嗣利婴儿用品有限公司 一种折叠椅
CN216454170U (zh) * 2021-12-16 2022-05-10 深圳市欣达网络科技有限公司 一种靠背角度可调的木质折叠椅
CN218683085U (zh) * 2022-11-03 2023-03-24 广州吉嗣利婴儿用品有限公司 一种高低折叠椅
CN115486650B (zh) * 2022-11-03 2026-02-27 广州吉嗣利婴儿用品有限公司 一种高低折叠椅

Also Published As

Publication number Publication date
WO2024093808A1 (zh) 2024-05-10
CN115486650A (zh) 2022-12-20
KR20250123778A (ko) 2025-08-18
US20250143465A1 (en) 2025-05-08
EP4613151A4 (de) 2026-03-04
JP2025535525A (ja) 2025-10-24
CN115486650B (zh) 2026-02-27

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