CN113749450B - Follow-up bending seat - Google Patents
Follow-up bending seat Download PDFInfo
- Publication number
- CN113749450B CN113749450B CN202110929998.3A CN202110929998A CN113749450B CN 113749450 B CN113749450 B CN 113749450B CN 202110929998 A CN202110929998 A CN 202110929998A CN 113749450 B CN113749450 B CN 113749450B
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- frame
- support
- support piece
- seat
- connecting rod
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- 238000005452 bending Methods 0.000 title claims abstract description 10
- 230000007246 mechanism Effects 0.000 claims abstract description 29
- 230000005540 biological transmission Effects 0.000 claims abstract description 26
- 230000008093 supporting effect Effects 0.000 claims description 32
- 238000000034 method Methods 0.000 abstract description 7
- 230000008569 process Effects 0.000 abstract description 7
- 230000009471 action Effects 0.000 abstract description 6
- 230000000694 effects Effects 0.000 description 3
- 238000003780 insertion Methods 0.000 description 3
- 230000037431 insertion Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 1
Classifications
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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
- 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
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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
- 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
- A47C3/30—Chairs or stools with vertically-adjustable seats with vertically-acting fluid cylinder
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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
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The invention discloses a follow-up bending seat which comprises a seat base, a back frame and a back assembly, wherein the back assembly comprises a waist support piece and a back support piece, the back support piece is rotationally connected with the back frame through a first connecting rod, the waist support piece is rotationally connected with the seat base through a second connecting rod, a first transmission mechanism with the swinging direction being the same as the leaning direction of a human body is formed among the back support piece, the waist support piece, the first connecting rod and the back frame, a second transmission mechanism with the swinging direction opposite to the leaning direction of the human body is formed among the waist support piece, the back frame and the seat base, and when the human body leans back, the waist support piece and the back support piece can rotate by different angles along with the leaning of the human body under the action of the first transmission mechanism and the second transmission mechanism, so that the waist support piece and the back support piece can keep good supportability for the human body in the whole back lying process.
Description
Technical Field
The invention relates to the field of seats, in particular to a follow-up bending seat.
Background
Currently, seats with double-back structures gradually appear in the market, the back of an upper and lower double-back seat is generally divided into a back support and a waist support, wherein the back support is used for supporting the back of a user, and the waist support is used for supporting the waist of the user. However, in the existing upper and lower dual-back structure, the supporting member is separated from the waist of the human body when the user lies back, so that the waist of the user cannot be sufficiently supported, the use comfort is reduced, and the fatigue discomfort of the waist is easily caused.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides the follow-up bending seat with good support property of the waist support piece, which can rotate along with leaning of a human body.
A follow-up curved seat of an embodiment of the present invention includes:
a seat;
the chair back frame is rotatably arranged on the chair seat;
the chair back assembly is arranged on the chair back frame and comprises a waist support piece and a back support piece, the waist support piece is rotationally connected with the chair back frame, and the waist support piece is rotationally connected with the back support piece;
the back support piece is rotationally connected with the chair back frame through a first connecting rod, the waist support piece is rotationally connected with the chair seat through a second connecting rod, a first transmission mechanism with the swing direction identical to the leaning direction of a human body is formed between the back support piece, the waist support piece, the first connecting rod and the chair back frame, and a second transmission mechanism with the rotation direction opposite to the leaning direction of the human body is formed between the waist support piece, the second connecting rod, the chair back frame and the chair seat.
According to the embodiment of the first aspect of the invention, the follow-up bending seat has at least the following beneficial effects: the follow-up bending seat comprises a seat, a back frame and a back assembly, wherein the back assembly comprises a waist supporting piece and a back supporting piece, the back supporting piece is rotationally connected with the seat back frame through a first connecting rod, the waist supporting piece is rotationally connected with the seat back through a second connecting rod, a first transmission mechanism with the swinging direction being the same as the leaning direction of a human body is formed among the back supporting piece, the waist supporting piece, the first connecting rod and the back frame, a second transmission mechanism with the swinging direction opposite to the leaning direction of the human body is formed among the waist supporting piece, the back frame and the seat back, and when the human body leans back, the waist supporting piece and the back supporting piece can rotate for different angles along with the leaning of the human body under the action of the first transmission mechanism and the second transmission mechanism to form different supporting states, so that the waist supporting piece and the back supporting piece can keep good supporting performance on the human body in the whole back lying process.
According to some embodiments of the invention, the back support comprises a first connection part and a second connection part, the first connection part being rotatably connected with the first connection rod, the second connection part being rotatably connected with the lumbar support.
According to some embodiments of the invention, the back support further comprises a support frame and a plurality of support rods for supporting the support frame, one ends of the support rods are fixed on the support frame, the other ends of the support rods are fixed on the first connecting portions, the second connecting portions are arranged on the support frame, and the support frame is rotatably connected with the waist support through the second connecting portions.
According to some embodiments of the invention, the support frame is configured as a frame with a cavity, the support bar is disposed in the cavity, the support bar includes two upward first support arms and two downward second support arms, and the first support arms cooperate with the second support arms to support the frame.
According to some embodiments of the invention, the lumbar support comprises a first rotating portion rotatably connected to the back support, a second rotating portion rotatably connected to the back rest, and a third rotating portion rotatably connected to the second link.
According to some embodiments of the invention, the lumbar support comprises a frame and a connecting arm disposed within the frame, the first rotating portion being disposed on the frame, the second rotating portion and the third rotating portion being disposed on the connecting arm.
According to some embodiments of the invention, the first rotating part comprises two rotating seats arranged in parallel, the rotating seats being provided with rotating shaft holes; the second rotating part comprises a convex part protruding towards the chair back frame, the chair back frame is provided with a groove for accommodating the convex part, the convex part is provided with a first jack, and the groove is provided with a second jack matched with the first jack; the third rotating part is a through groove arranged in the middle of the connecting arm, and the second connecting rod is rotatably arranged in the through groove.
According to some embodiments of the invention, the back frame is provided with a pillar with a shape suitable for leaning of a human body, a limiting groove for limiting the second connecting rod is arranged in the middle of the back frame, and two ends of the second connecting rod are respectively connected with the seat and the waist support in a rotating way.
According to some embodiments of the invention, the seat comprises a seat cushion and a chassis disposed below the seat cushion, the back frame being rotatably mounted on the chassis.
According to some embodiments of the invention, the chassis comprises a fixing frame and a mounting bracket arranged below the fixing frame, the mounting bracket is provided with a connecting hole and a limiting hole, the chair back frame is provided with a locating hole matched with the connecting hole and a rotating rod matched with the limiting hole, and the rotating rod is slidably arranged in the limiting hole.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
FIG. 1 is a schematic view of a follow-up curved seat according to an embodiment of the present invention;
FIG. 2 is a side view of a follow-up curved seat shown in FIG. 1;
fig. 3 is a schematic view of the internal structure of a follow-up curved seat shown in fig. 1.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
In the description of the present invention, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, inner, outer, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.
In the description of the present invention, unless explicitly defined otherwise, terms such as arrangement, mounting, connection, assembly, cooperation, etc. should be construed broadly and the specific meaning of the terms in the present invention can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical solution.
A follow-up curved seat according to an embodiment of the present invention is described below with reference to fig. 1 to 3.
A follow-up bending seat according to an embodiment of the present invention, referring to fig. 1 to 3, includes a seat, a back frame 200 and a back assembly, the back frame 200 is used to support the back assembly, the back frame 200 is disposed on the seat, and the back assembly is disposed on the back frame 200. The chair back component comprises a waist supporting piece and a back supporting piece, wherein the waist supporting piece is rotationally connected with the chair back frame 200, the waist supporting piece is rotationally connected with the back supporting piece through a first connecting rod 400, the back supporting piece is rotationally connected with the chair seat through a second connecting rod 500, a first transmission mechanism with the swinging direction being the same as the leaning direction of a human body is formed among the back supporting piece, the waist supporting piece, the first connecting rod 400 and the chair back frame 200, and a second transmission mechanism with the swinging direction opposite to the leaning direction of the human body is formed among the waist supporting piece, the second connecting rod 500, the chair back frame 200 and the chair seat. Referring to fig. 1, when a person leans against the back assembly to lie back, the person leans against the back assembly in a downward right direction in fig. 1, the back frame 200 and the back assembly rotate relative to the seat under the action of the weight of the person, the back frame 200 is rotatably connected to the back support through the first link 400, the back assembly is rotatably connected to the seat through the second link 500, the rotation of the back frame 200 and the back assembly can drive the first transmission mechanism and the second transmission mechanism to move, the first transmission mechanism drives the back support to swing, and at the moment, the swing direction of the back support swings toward the downward right direction and is identical to the leaning direction of the person; the second transmission mechanism drives the waist support to swing, and at the moment, the swing direction of the waist support swings towards the upper left direction and is opposite to the leaning direction of a human body. The waist support piece swings towards the upper left direction, so that the waist of a human body can be supported, the waist is hollow when the human body is prevented from lying backwards, and good support performance is kept for the human body.
Specifically, the lumbar support member of the second transmission mechanism, the second connecting rod 500, the back frame 200 and the seat form a four-bar mechanism, when a human body reclines, the human body acting force acts on the back frame 200 and the seat back component, so that the back frame 200 and the seat back component rotate relative to the seat, and when the back frame 200 rotates relative to the seat, the back frame 200 drives the lumbar support member to rotate due to the action of the second transmission mechanism, at the moment, the lower end of the lumbar support member is tilted upwards, so that the lumbar of the human body when the human body reclines can be supported, the hollow lumbar of the human body when the human body reclines can be avoided, and the comfort level of the human body when the human body reclines is improved.
In addition, the back support piece, the waist support piece, the first connecting rod 400 and the back frame 200 of the first transmission mechanism form a four-connecting rod mechanism, the back frame 200 is fixed relative to the seat in the back lying process of the human body, the lower end of the waist support piece can drive the upper end of the back support piece to tilt upwards when the lower end of the waist support piece rotates due to the action of the first transmission mechanism, the upper end of the back support piece tilts upwards to support the back of the human body, and the back support piece swings along with the back lying rotation of the human body to support the back in the back lying process of the human body, so that good supportability is kept.
The follow-up bending seat comprises a seat body, a back frame 200 and a back assembly, wherein the back assembly comprises a waist support piece and a back support piece, the back support piece is rotationally connected with the back frame 200 through a first connecting rod 400, the waist support piece is rotationally connected with the seat body through a second connecting rod 500, a first transmission mechanism with the swinging direction being the same as the leaning direction of a human body is formed among the back support piece, the waist support piece, the first connecting rod 400 and the back frame 200, a second transmission mechanism with the swinging direction opposite to the leaning direction of the human body is formed among the waist support piece, the back frame 200 and the seat body, and when the human body leans back, the waist support piece and the back support piece can rotate by different angles along with the leaning of the human body under the action of the first transmission mechanism and the second transmission mechanism to form different support states, so that the waist support piece and the back support piece can keep good supporting performance on the human body in the whole back lying process.
In some embodiments, the back support includes a first connection 330 and a second connection 340, the first connection 330 being rotatably connected to the first link 400, and the second connection 340 being rotatably connected to the lumbar support. Specifically, the first connecting portion 330 is disposed in the middle of the back support, the second connecting portion 340 is disposed at the lower end of the back support, the first connecting portion 330 is rotationally connected with the first rotating rod, the second connecting portion 340 is rotationally connected with the waist support, so that the back support can rotate relative to the waist support and drive the first connecting rod 400 to move relative to the back frame 200, and the back support can rotate at different angles along with the leaning of a human body in the back lying process, so that good supportability is maintained for the human body.
In some embodiments, the back support further includes a support frame 310, a plurality of support rods for supporting the support frame 310, one end of each support rod is fixed on the support frame 310, the other end of each support rod is fixed on the first connecting portion 330, the second connecting portion 340 is disposed on the support frame 310, and the support frame 310 is rotatably connected with the lumbar support through the second connecting portion 340. Support frame 310 and bracing piece can support human back, and the setting of bracing piece can support and fill support frame 310, makes back support piece better to the supporting effect of human body. The support rod connects the support frame 310 and the first connection portion 330, and the first connection portion 330 is connected with the back frame 200 through the first connection rod 400, so that the support frame 310 can be fixed on the back frame 200, and the support frame 310 can be fixed. The second connecting portion 340 is disposed on the support frame 310, and the support frame 310 is rotationally connected with the lumbar support through the second connecting portion 340, so that the support frame 310 can rotate relative to the lumbar support, and a good supporting effect is achieved. Specifically, in some embodiments, the support frame 310 is configured as a frame having a cavity, and the support bar is disposed in the cavity, and the support bar includes two upward first support arms 321 and two downward second support arms 322, where the first support arms 321 cooperate with the second support arms 322 to support the frame. The two upward first support arms 321 and the two downward second support arms 322 cooperate to form an X shape, and the X-shaped support rods can support the support frame 310 at a plurality of positions, so that the support effect on the support frame 310 is improved, and the bearing effect of the back support piece can be improved on the premise of saving materials. It will be appreciated that in some embodiments, the first connection portion 330 and the second connection portion 340 are provided as connection seats having through holes, and the corresponding connection parts of the first link 400 and the lumbar support are provided as rotation shafts, and the rotational connection is achieved by the cooperation of the rotation shafts and the through holes. In some other embodiments, the first and second connection parts 330 and 340 may be provided as connection seats having rotation shafts, and the corresponding connection parts of the first link 400 and the lumbar support may be provided as through holes, and the rotational connection may be achieved as well.
In some embodiments, the lumbar support includes a first rotation part 230, a second rotation part 240, and a third rotation part 250, the first rotation part 230 is rotatably connected with the back support, the second rotation part 240 is rotatably connected with the back frame 200, and the third rotation part 250 is rotatably connected with the second link 500. The lumbar support is respectively connected with the back support, the chair back frame 200 and the second rotating rod through the first rotating part 230, the second rotating part 240 and the third rotating part 250, the lumbar support, the second connecting rod 500, the chair back frame 200 and the chair seat form a four-bar mechanism, when a human body reclines, the lumbar support has a tendency that the lower end of the lumbar support is tilted upwards, the lumbar support can support the lumbar part of the human body when the human body reclines, the lumbar part of the human body is hollow when the human body reclines can be avoided, and the comfort level of the human body when the human body reclines is improved.
Specifically, in some embodiments, the lumbar support includes a frame 210 and a connection arm 220 disposed within the frame 210, a first rotation portion 230 is disposed on the frame 210, and a second rotation portion 240 and a third rotation portion 250 are disposed on the connection arm 220. The connecting arm 220 is disposed in the middle of the frame 210, and the connecting arm 220 supports the frame 210, so that the bearing capacity of the frame 210 can be improved, and a better supporting effect can be achieved. The first rotating portion 230 is disposed on the frame 210, and the first rotating portion 230 is rotatably connected to the back support, so that the frame 210 can rotate relative to the back support. The second rotating part 240 and the third rotating part 250 are arranged on the connecting arm 220, the second rotating part 240 is rotationally connected with the back frame 200, the third rotating part 250 is rotationally connected with the second connecting rod 500, the connecting arm 220 is fixedly connected with the frame 210, the movement of the second connecting rod 500 and the back frame 200 can be transmitted to the frame 210 of the waist support member, the waist support member can rotate at different angles along with the leaning of a human body, different support states are formed, and good support performance can be kept on the human body in the whole back lying process.
In some embodiments, the first rotating part 230 includes two rotating seats arranged in parallel, and the rotating seats are provided with rotating shaft holes; the second rotating part 240 includes a protrusion protruding toward the back frame 200, the back frame 200 is provided with a groove accommodating the protrusion, the protrusion is provided with a first insertion hole, and the groove is provided with a second insertion hole matched with the first insertion hole; the third rotating portion 250 is a through slot provided in the middle of the connection arm 220, and the second link 500 is rotatably installed in the through slot. The two rotating seats are arranged at the upper end of the frame 210 in parallel, the rotating seats are provided with rotating shaft holes, and the frame 210 is rotationally connected with the back support piece through the rotating seats. The rotation seat is arranged into two, and two parallel arrangement's rotation seat can be connected frame 210 and back support piece at both ends, makes the connection between frame 210 and the back support piece more firm. It will be appreciated that in other embodiments, the swivel mount may be provided in one, three, or other numbers, each to effect a swivel connection between the frame 210 and the back support. The second rotating part 240 is provided as a protruding part protruding toward the back frame 200, the back frame 200 is provided with a groove for accommodating the protruding part, the protruding part is provided with a first jack, the groove is provided with a second jack matched with the first jack, a rotating shaft is inserted between the first jack and the second jack, and the back frame 200 and the second rotating part 240 are in rotating connection through the cooperation of the first jack, the second jack and the rotating shaft. The cooperation of the grooves and the protrusions can save the space of the back frame 200, save materials, and enable the connection structure of the back frame 200 and the waist support to be more concise and attractive.
In some embodiments, the back frame 200 is configured as a pillar suitable for leaning on by a human body, a limiting groove for limiting the second connecting rod 500 is arranged in the middle of the back frame 200, the second connecting rod 500 is arranged in the limiting groove, and two ends of the second connecting rod 500 are respectively connected with the seat and the waist support in a rotating way. The back frame 200 is provided with a pillar, the pillar extends out from the seat and extends upwards to form a shape suitable for leaning of a human body, the middle part of the back frame 200 is provided with a limiting groove for containing and limiting the second connecting rod 500, and the limiting groove limits and contains the second connecting rod 500, so that the structure of the seat is more concise and compact.
In some embodiments, the seat comprises a seat cushion 110 and a chassis disposed below the seat cushion 110, with the seat back frame 200 rotatably mounted to the chassis. The cushion 110 is arranged on the chassis, and a lifting cylinder 120 and five-star feet 130 are also arranged below the chassis. The lifting cylinder 120 can drive the chassis to lift and adjust the height of the seat. The five-star foot 130 is provided with rollers to facilitate movement of the follow-up curved seat. The back frame 200 is rotatably installed on the chassis and can rotate relative to the chassis as the human body reclines. Specifically, in some embodiments, the chassis includes a fixing frame 111 and a mounting bracket 112 disposed below the fixing frame 111, the mounting bracket 112 is provided with a connection hole 114 and a limiting hole 113, the seat back frame 200 is provided with a positioning hole matched with the connection hole 114 and a rotating rod matched with the limiting hole 113, and the rotating rod is slidably mounted in the limiting hole 113. The seat back frame 200 and the mounting frame are in rotary connection through the cooperation of the locating holes and the connecting holes 114, the seat back frame 200 is further provided with a rotating rod, the mounting bracket 112 is further provided with a limiting hole 113, the rotating rod is slidably arranged in the limiting hole 113, the rotation of the seat back frame 200 relative to the chassis can be limited, the seat back frame 200 can only rotate in the limiting stroke of the limiting hole 113, and a human body lying behind is protected.
The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge of one of ordinary skill in the art without departing from the spirit of the present invention.
Claims (6)
1. A follow-up curved seat, comprising:
a seat;
the chair back frame is rotatably arranged on the chair seat;
the chair back assembly is arranged on the chair back frame and comprises a waist support piece and a back support piece, the waist support piece is rotationally connected with the chair back frame, and the waist support piece is rotationally connected with the back support piece;
the back support piece is rotationally connected with the chair back frame through a first connecting rod, the waist support piece is rotationally connected with the chair seat through a second connecting rod, a first transmission mechanism with the swing direction identical to the leaning direction of a human body is formed among the back support piece, the waist support piece, the first connecting rod and the chair back frame, and a second transmission mechanism with the rotation direction opposite to the leaning direction of the human body is formed among the waist support piece, the second connecting rod, the chair back frame and the chair seat;
the back support comprises a first connecting part and a second connecting part, the first connecting part is rotationally connected with the first connecting rod, and the second connecting part is rotationally connected with the waist support;
the back support piece further comprises a support frame and a plurality of support rods for supporting the support frame, one ends of the support rods are fixed on the support frame, the other ends of the support rods are fixed on the first connecting parts, the second connecting parts are arranged on the support frame, and the support frame is rotationally connected with the waist support piece through the second connecting parts;
the waist support piece comprises a first rotating part, a second rotating part and a third rotating part, the first rotating part is rotationally connected with the back support piece, the second rotating part is rotationally connected with the chair back frame, and the third rotating part is rotationally connected with the second connecting rod;
the waist support comprises a frame and a connecting arm arranged in the frame, the first rotating part is arranged on the frame, and the second rotating part and the third rotating part are arranged on the connecting arm.
2. A follow-up curved seat according to claim 1, wherein said support frame is configured as a frame having a cavity, said support bar is disposed within said cavity, said support bar includes two upward first support arms and two downward second support arms, said first support arms cooperate with said second support arms to support said frame.
3. A follow-up curved seat according to claim 1, wherein said first rotating portion comprises two rotating seats arranged in parallel, said rotating seats being provided with rotating shaft holes; the second rotating part comprises a convex part protruding towards the chair back frame, the chair back frame is provided with a groove for accommodating the convex part, the convex part is provided with a first jack, and the groove is provided with a second jack matched with the first jack; the third rotating part is a through groove arranged in the middle of the connecting arm, and the second connecting rod is rotatably arranged in the through groove.
4. The follow-up bending seat according to claim 1, wherein the back frame is provided with a pillar with a shape suitable for leaning of a human body, a limiting groove for limiting the second connecting rod is formed in the middle of the back frame, the second connecting rod is arranged in the limiting groove, and two ends of the second connecting rod are respectively connected with the seat and the waist support in a rotating mode.
5. A follow-up curved seat according to claim 1, wherein said seat comprises a seat cushion and a chassis disposed below said seat cushion, said back frame being rotatably mounted to said chassis.
6. The follow-up curved seat according to claim 5, wherein said chassis comprises a fixed frame and a mounting bracket disposed below said fixed frame, said mounting bracket being provided with a connecting hole and a limiting hole, said seatback frame being provided with a positioning hole cooperating with said connecting hole and a rotating lever cooperating with said limiting hole, said rotating lever being slidably mounted in said limiting hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110929998.3A CN113749450B (en) | 2021-08-13 | 2021-08-13 | Follow-up bending seat |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110929998.3A CN113749450B (en) | 2021-08-13 | 2021-08-13 | Follow-up bending seat |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN113749450A CN113749450A (en) | 2021-12-07 |
| CN113749450B true CN113749450B (en) | 2024-04-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110929998.3A Active CN113749450B (en) | 2021-08-13 | 2021-08-13 | Follow-up bending seat |
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| Country | Link |
|---|---|
| CN (1) | CN113749450B (en) |
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| CN1277543A (en) * | 1997-10-24 | 2000-12-20 | 斯特尔凯斯公司 | Synchrotilt chair with adjustable seat, back and energy mechanism |
| CN1663503A (en) * | 2005-01-27 | 2005-09-07 | 吴文进 | Waist region adjustable chair |
| CN209528530U (en) * | 2018-12-13 | 2019-10-25 | 上海凯酷实业有限公司 | A kind of strong appearance chair of the back of support waist formula three |
| CN112754208A (en) * | 2020-12-30 | 2021-05-07 | 永艺家具股份有限公司 | Ergonomic seat |
| CN216089697U (en) * | 2021-08-13 | 2022-03-22 | 佛山市精一家具有限公司 | Follow-up bending seat |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109549386B (en) * | 2018-04-12 | 2024-04-12 | 浙江胜途家具科技有限公司 | Ergonomic seat |
-
2021
- 2021-08-13 CN CN202110929998.3A patent/CN113749450B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1277543A (en) * | 1997-10-24 | 2000-12-20 | 斯特尔凯斯公司 | Synchrotilt chair with adjustable seat, back and energy mechanism |
| CN1663503A (en) * | 2005-01-27 | 2005-09-07 | 吴文进 | Waist region adjustable chair |
| CN209528530U (en) * | 2018-12-13 | 2019-10-25 | 上海凯酷实业有限公司 | A kind of strong appearance chair of the back of support waist formula three |
| CN112754208A (en) * | 2020-12-30 | 2021-05-07 | 永艺家具股份有限公司 | Ergonomic seat |
| CN216089697U (en) * | 2021-08-13 | 2022-03-22 | 佛山市精一家具有限公司 | Follow-up bending seat |
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| Publication number | Publication date |
|---|---|
| CN113749450A (en) | 2021-12-07 |
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Address after: No. 3 Tandong Avenue, Dongyong Community, Longjiang Town, Shunde District, Foshan City, Guangdong Province (Jingyi Smart Home Industry Park) Patentee after: Guangdong Jingyi Furniture Co.,Ltd. Country or region after: China Address before: 528318 Foshan, Shunde, Guangdong province Longjiang Town, 8 West Road. Patentee before: FOSHAN SITZONE FURNITURE Co.,Ltd. Country or region before: China |
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