CN113749450A - Follow-up bending seat - Google Patents
Follow-up bending seat Download PDFInfo
- Publication number
- CN113749450A CN113749450A CN202110929998.3A CN202110929998A CN113749450A CN 113749450 A CN113749450 A CN 113749450A CN 202110929998 A CN202110929998 A CN 202110929998A CN 113749450 A CN113749450 A CN 113749450A
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- support
- frame
- rotating
- seat
- chair
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- 238000005452 bending Methods 0.000 title claims abstract description 13
- 230000008093 supporting effect Effects 0.000 claims abstract description 52
- 230000005540 biological transmission Effects 0.000 claims abstract description 20
- 230000000694 effects Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000033001 locomotion Effects 0.000 description 3
- 244000309464 bull Species 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
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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
-
- 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
Abstract
The invention discloses a follow-up bending chair, which comprises a chair seat, a chair back frame and a chair back assembly, wherein the chair back assembly comprises a waist supporting piece and a back supporting piece, the back supporting piece is rotationally connected with the chair back frame through a first connecting rod, the waist supporting piece is rotationally connected with the chair seat through a second connecting rod, a first transmission mechanism with the swinging direction same as the leaning direction of a human body is formed among the back supporting piece, the waist supporting piece, the chair back frame and the chair back frame, 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 chair back frame and the chair seat.
Description
Technical Field
The invention relates to the field of seats, in particular to a follow-up bending seat.
Background
The existing seat with double-back structure gradually appears in the market, the chair back of the upper and lower double-back seat is generally divided into a back supporting piece and a waist supporting piece, the back supporting piece is used for supporting the back of the user, and the waist supporting piece is used for supporting the waist of the user. However, in the existing upper and lower double-back structure, the supporting piece is separated from the waist of the human body when lying on the back, and the waist of the user cannot be sufficiently supported, so that the use comfort is reduced, and the waist fatigue and discomfort are easily caused.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art. Therefore, the invention provides the follow-up bending seat which has good waist support part supporting performance and can rotate along with the leaning of a human body.
A follow-up bending seat of an embodiment of the present invention includes:
a chair seat;
the chair back frame is rotatably arranged on the chair seat;
the chair back component 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 connected with the back frame in a rotating mode through the first connecting rod, the waist support piece is connected with the seat in a rotating mode through the second connecting rod, the back support piece, the waist support piece, the first connecting rod and a first transmission mechanism with the swinging direction being the same as the leaning direction of a human body is formed between the back frame, and the waist support piece, the second connecting rod, the back frame and a second transmission mechanism with the rotating direction being opposite to the leaning direction of the human body is formed between the seat.
According to the embodiment of the first aspect of the invention, the following beneficial effects are achieved: the following bending chair comprises a chair seat, a chair back frame and a chair back assembly, wherein the chair back assembly comprises a waist supporting piece and a back supporting piece, the back supporting piece is rotatably connected with the chair back frame through a first connecting rod, the waist supporting piece is rotatably connected with the chair seat 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 chair back frame and the chair seat, and a second transmission mechanism with the swinging direction being opposite to the leaning direction of the human body is formed among the back supporting piece, the chair back frame and the chair seat.
According to some embodiments of the invention, the back support comprises a first connection portion and a second connection portion, the first connection portion being rotatably connected with the first link, the second connection portion being rotatably connected with the lumbar support.
According to some embodiments of the present invention, the back support further includes a support frame and a plurality of support rods supporting the support frame, one end of each support rod is fixed on the support frame, the other end of each support rod is fixed on the first connecting portion, the second connecting portion is disposed on the support frame, and the support frame is rotatably connected to the lumbar support through the second connecting portion.
According to some embodiments of the invention, the support frame is provided as a frame body having a cavity, the support rod is provided in the cavity, the support rod includes two upward first support arms and two downward second support arms, and the first support arms and the second support arms cooperate to support the frame body.
According to some embodiments of the invention, the lumbar support includes a first rotation portion, a second rotation portion and a third rotation portion, the first rotation portion is rotatably connected with the back support, the second rotation portion is rotatably connected with the seat back frame, and the third rotation portion is rotatably connected with the second link.
According to some embodiments of the invention, the lumbar support includes a frame and a connecting arm provided in the frame, the first rotating portion is provided on the frame, and the second rotating portion and the third rotating portion are provided on the connecting arm.
According to some embodiments of the present invention, the first rotating part includes two rotating seats arranged in parallel, the rotating seats being provided with rotating shaft holes; the second rotating part comprises a convex part which is convexly arranged 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 formed in the middle of the connecting arm, and the second connecting rod is rotatably installed in the through groove.
According to some embodiments of the invention, the backrest frame is provided with a pillar having a shape suitable for leaning of a human body, the middle part of the backrest frame is provided with a limiting groove for limiting the second connecting rod, 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 manner.
According to some embodiments of the invention, the seat comprises a seat cushion and a base plate disposed below the seat cushion, and the back frame is rotatably mounted to the base plate.
According to some embodiments of the invention, the chassis comprises a fixed frame and a mounting bracket arranged below the fixed frame, the mounting bracket is provided with a connecting hole and a limiting hole, the backrest frame is provided with a positioning 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 above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 is a schematic view of a follow up bend seat according to an embodiment of the present invention;
FIG. 2 is a side view of a follow up flex seat shown in FIG. 1;
FIG. 3 is a schematic view of the internal structure of a follow up flex chair shown in FIG. 1.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.
In the description of the present invention, it should be understood that the orientation or positional relationship referred to the orientation description, such as the upper, lower, front, rear, left, right, inner, outer, etc., is the orientation or positional relationship shown on the drawings, only for convenience of description and simplification of description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
In the description of the present invention, the meaning of a plurality of means is one or more, the meaning of a plurality of means is two or more, and larger, smaller, larger, etc. are understood as excluding the number, and larger, smaller, inner, etc. are understood as including the number. If the first and second are described for the purpose of distinguishing technical features, they are not to be understood 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 otherwise explicitly defined, terms such as set, mounted, connected, assembled, matched and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the terms in the present invention by combining the specific contents of the technical solutions.
A follow up flex seat of an embodiment of the present invention is described below with reference to fig. 1-3.
Referring to fig. 1 to 3, the follow-up bending chair according to the embodiment of the present invention includes a chair seat, a chair back frame 200 and a chair back assembly, wherein the chair back frame 200 is used for supporting the chair back assembly, the chair back frame 200 is disposed on the chair seat, and the chair back assembly is disposed on the chair back frame 200. The chair back component comprises a waist supporting piece and a back supporting piece, 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, the back supporting piece is rotationally connected with the chair back frame 200 through a first connecting rod 400, the waist 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 between 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 being opposite to the leaning direction of the human body is formed between the waist supporting piece, the second connecting rod 500, the chair back frame 200 and the chair seat. Referring to fig. 1, when a human body lies after leaning on a chair back component, the leaning direction of the human body is the lower right direction in fig. 1, a chair back frame 200 and the chair back component rotate relative to a chair seat under the action of the weight of the human body, the chair back frame 200 is rotatably connected with a back support through a first connecting rod 400, the chair back component is rotatably connected with the chair seat through a second connecting rod 500, the rotation of the chair back frame 200 and the chair back component can drive a first transmission mechanism and a second transmission mechanism to move, the first transmission mechanism drives the back support to swing, and at the moment, the swinging direction of the back support swings towards the lower right direction, which is the same as the leaning direction of the human body; the second transmission mechanism drives the waist support piece to swing, and the swinging direction of the waist support piece swings towards the upper left direction at the moment, which is opposite to the leaning direction of the human body. The waist support piece swings towards the upper left direction, can support the waist of a human body, prevents the waist from being hollow when the human body lies backwards, and keeps good support performance for the human body.
Specifically, the waist support piece of second drive mechanism, second connecting rod 500, back of the chair frame 200 and seat support form four-bar linkage, when lying behind the human body, human effort acts on back of the chair frame 200 and back of the chair subassembly, make back of the chair frame 200 and the relative seat support of back of the chair subassembly rotate, when the relative seat support of back of the chair frame 200 rotates, because second drive mechanism's effect, back of the chair frame 200 drives the waist support piece and rotates, the waist support piece lower extreme perk that makes progress this moment, waist when lying behind the human body can be supported, human waist cavity when lying behind can be avoided, comfort level when lying behind the human body 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-bar linkage mechanism, the back frame 200 is fixed relative to the chair seat in the process of lying behind the human body, due to the effect of the first transmission mechanism, the upper end of the back support piece can be driven to upwarp when the lower end of the back support piece upwarps upwards and rotates, the upper end of the back support piece upwarps to support the back of the human body, the back support piece rotates and swings along with the lying behind the human body to support the back in the process of lying behind the human body, and good support performance is kept.
The following bending chair comprises a chair seat, a chair back frame 200 and a chair back assembly, wherein the chair back assembly comprises a waist support piece and a back support piece, the back support piece is rotatably connected with the chair back frame 200 through a first connecting rod 400, the waist support piece is rotatably connected with the chair seat through a second connecting rod 500, a first transmission mechanism with the swinging direction 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 chair 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 chair back frame 200 and the chair seat, when the human body lies after leaning, under the action of the first transmission mechanism and the second transmission mechanism, the waist support piece and the back support piece can rotate at different angles along with the leaning of the human body to form different support states, so that the waist support piece and the back support piece can both keep good support for the human body in the whole back lying process.
In some embodiments, the back support comprises a first connecting portion 330 and a second connecting portion 340, the first connecting portion 330 is rotatably connected to the first link 400, and the second connecting portion 340 is rotatably connected to the lumbar support. Specifically, first connecting portion 330 sets up in the middle part of back support piece, and second connecting portion 340 sets up the lower extreme at back support piece, and first connecting portion 330 rotates with first bull stick to be connected, and second connecting portion 340 rotates with the waist support portion to be connected, makes back support piece can rotate and drive the relative back of the chair frame 200 motion of first connecting rod 400 for the waist support piece, and back support piece can lean on rotatory different angles along with the human body in the process of lying behind, keeps good support nature to the human body.
In some embodiments, the back support further includes a support frame 310 and a plurality of support rods for supporting the support frame 310, wherein 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 up of bracing piece can support and fill support frame 310, makes the support effect of back of the body support piece to the human body better. 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-seat frame 200 through the first connection rod 400, so that the support frame 310 can be fixed on the back-seat frame 200, and the support frame 310 can be fixed. The second connecting portion 340 is disposed on the supporting frame 310, and the supporting frame 310 is rotatably connected to the lumbar support member through the second connecting portion 340, so that the supporting frame 310 can rotate relative to the lumbar support member, thereby achieving a good supporting effect. Specifically, in some embodiments, the supporting frame 310 is configured as a frame body having a cavity, the supporting rod is disposed in the cavity, the supporting rod includes two upward first supporting arms 321 and two downward second supporting arms 322, and the first supporting arms 321 cooperate with the second supporting arms 322 to support the frame body. Two ascending first support arms 321 and two decurrent second support arms 322 cooperate and form the X-shaped, and the bracing piece of X-shaped can support frame 310 in a plurality of positions, improves the support effect to support frame 310, can improve back of the body support piece's bearing effect under the prerequisite of save material. It is understood that, in some embodiments, the first connecting portion 330 and the second connecting portion 340 are configured as a connecting base having a through hole, and the corresponding connecting portions of the first link 400 and the lumbar support are configured as a rotating shaft, and the rotating connection is realized by the cooperation of the rotating shaft and the through hole. In some other embodiments, the first connecting portion 330 and the second connecting portion 340 can be configured as a connecting base having a rotation axis, and the corresponding connecting parts of the first connecting rod 400 and the lumbar support are configured as through holes, so that the rotation connection can be realized.
In some embodiments, the lumbar support includes a first rotating portion 230, a second rotating portion 240 and a third rotating portion 250, the first rotating portion 230 is rotatably connected with the back support, the second rotating portion 240 is rotatably connected with the seatback frame 200, and the third rotating portion 250 is rotatably connected with the second link 500. The waist support piece passes through first rotation portion 230, second rotation portion 240, third rotation portion 250 respectively with back support piece, back of the chair frame 200 and second bull stick rotate to be connected, waist support piece, second connecting rod 500, back of the chair frame 200 and seat support form four-bar linkage, when lying behind the human body, waist support piece has the trend that the lower extreme perk makes progress, waist when can lying behind the human body supports, human waist cavity when can avoiding lying behind, the comfort level when lying behind the human body is improved.
Specifically, in some embodiments, the lumbar support includes a frame 210 and a connecting arm 220 disposed within the frame 210, the first rotating portion 230 is disposed on the frame 210, and the second and third rotating portions 240 and 250 are disposed on the connecting arm 220. The connecting arm 220 is arranged 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 part 230 is disposed on the frame 210, and the first rotating part 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 rotatably connected with the chair back frame 200, the third rotating part 250 is rotatably 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 chair back frame 200 can be transmitted to the frame 210 of the waist supporting piece, the waist supporting piece can rotate at different angles along with the leaning of the human body, so that different supporting states are formed, and the whole back lying process can keep good support for the human body.
In some embodiments, the first rotating part 230 includes two rotating seats arranged in parallel, the rotating seats being provided with rotating shaft holes; the second rotating portion 240 includes a convex portion protruding toward the back frame 200, the back frame 200 is provided with a groove for accommodating the convex portion, the convex portion is provided with a first jack, and the groove is provided with a second jack matched with the first jack; the third rotating portion 250 is a through groove provided at the middle portion of the connecting arm 220, and the second link 500 is rotatably installed in the through groove. 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 rotatably connected with the back support piece through the rotating seats. The rotating seats are arranged into two, and the two rotating seats arranged in parallel can be used for connecting the frame 210 and the back support piece at two ends, so that the connection between the frame 210 and the back support piece is more stable. It will be appreciated that in other embodiments, the number of the rotating seats may be one, three or other, and the rotating connection between the frame 210 and the back support may be realized. The second rotating portion 240 is a protruding portion protruding toward the back frame 200, the back frame 200 is provided with a groove for accommodating the protruding portion, the protruding portion 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 portion 240 are rotatably connected through the matching of the first jack, the second jack and the rotating shaft. The matching of the groove and the convex part can save the space of the chair back frame 200, save materials and lead the connecting structure of the chair back frame 200 and the waist supporting piece to be more concise and beautiful.
In some embodiments, the back frame 200 is configured as a pillar with a shape suitable for leaning of a human body, a limit groove for limiting the second link 500 is disposed in the middle of the back frame 200, the second link 500 is disposed in the limit groove, and two ends of the second link 500 are respectively rotatably connected with the seat and the waist support. The back of the chair frame 200 sets up to the pillar, and the pillar stretches out and upwards extends from the seat support and forms the shape that is suitable for the human body to lean on, and back of the chair frame 200 middle part is provided with holds and spacing groove to second connecting rod 500, and the spacing groove is spacing and is held second connecting rod 500, can make the structure of seat succinct compacter.
In some embodiments, the seat includes a seat cushion 110 and a base disposed below the seat cushion 110, and the back frame 200 is rotatably mounted to the base. The cushion 110 is arranged on the chassis, and a lifting cylinder 120 and five-star feet 130 are arranged below the chassis. The lifting cylinder 120 can drive the chassis to lift, and the height of the chair seat is adjusted. The five-pointed star 130 is provided with rollers to facilitate movement of the follow-up curved seat. The backrest frame 200 is rotatably mounted on the chassis and can rotate relative to the chassis with the back lying of the human body. 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 connecting hole 114 and a limiting hole 113, the seat back frame 200 is provided with a positioning hole matched with the connecting 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 chair back frame 200 is rotatably connected with the mounting frame through the matching of the positioning holes and the connecting holes 114, the chair back frame 200 is further provided with a rotating rod, the mounting frame 112 is further provided with limiting holes 113, the rotating rod is slidably mounted in the limiting holes 113 and can limit the rotation of the chair back frame 200 relative to the chassis, so that the chair back frame 200 can only rotate in the limiting stroke of the limiting holes 113 to protect a human body lying behind.
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 those skilled in the art without departing from the gist of the present invention.
Claims (10)
1. A follow up bend seat, comprising:
a chair seat;
the chair back frame is rotatably arranged on the chair seat;
the chair back component 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 connected with the back frame in a rotating mode through the first connecting rod, the waist support piece is connected with the seat in a rotating mode through the second connecting rod, the back support piece, the waist support piece, the first connecting rod and a first transmission mechanism with the swinging direction being the same as the leaning direction of a human body is formed between the back frame, and the waist support piece, the second connecting rod, the back frame and a second transmission mechanism with the rotating direction being opposite to the leaning direction of the human body is formed between the seat.
2. A follow up bend seat according to claim 1, wherein the back support includes a first connection portion and a second connection portion, the first connection portion being pivotally connected to the first link, the second connection portion being pivotally connected to the lumbar support.
3. The follow-up bending seat according to claim 2, wherein the back support further comprises a support frame and a plurality of support rods for supporting the support frame, one end of each support rod is fixed on the support frame, the other end of each support rod is fixed on the first connecting portion, the second connecting portion is arranged on the support frame, and the support frame is rotatably connected with the waist support through the second connecting portion.
4. A follow up bend seat according to claim 3 wherein the support frame is provided as a frame having a cavity in which the support bar is disposed, the support bar including two first upwardly directed support arms and two second downwardly directed support arms, the first support arms cooperating with the second support arms to support the frame.
5. The follow-up bending seat according to claim 1, wherein the lumbar support includes a first rotating portion, a second rotating portion and a third rotating portion, the first rotating portion is rotatably connected to the back support, the second rotating portion is rotatably connected to the seat back frame, and the third rotating portion is rotatably connected to the second link.
6. The follow-up bending seat according to claim 5, wherein the lumbar support includes a frame and a connecting arm provided in the frame, the first rotating portion is provided on the frame, and the second rotating portion and the third rotating portion are provided on the connecting arm.
7. The follow up bend seat according to claim 6, wherein the first rotating portion includes two rotating seats arranged in parallel, the rotating seats being provided with rotating shaft holes; the second rotating part comprises a convex part which is convexly arranged 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 formed in the middle of the connecting arm, and the second connecting rod is rotatably installed in the through groove.
8. The follow-up bending seat according to claim 1, wherein the back frame is provided with a pillar having a shape suitable for leaning of a human body, the middle part of the back frame is provided with a limiting groove for limiting the second connecting rod, the second connecting rod is arranged in the limiting groove, and two ends of the second connecting rod are respectively rotatably connected with the seat and the waist support.
9. A follow up bend seat according to claim 1, wherein the seat base comprises a seat cushion and a base pan disposed below the seat cushion, the back frame being rotatably mounted on the base pan.
10. The follow-up bend seat according to claim 9, wherein the base plate comprises a fixing frame and a mounting bracket disposed below the fixing frame, the mounting bracket is provided with a connecting hole and a limiting hole, the seat back frame is provided with a positioning hole engaged with the connecting hole and a rotating rod engaged with the limiting hole, and the rotating rod is slidably mounted in the 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 true CN113749450A (en) | 2021-12-07 |
| CN113749450B CN113749450B (en) | 2024-04-09 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110929998.3A Active CN113749450B (en) | 2021-08-13 | 2021-08-13 | Follow-up bending seat |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113749450B (en) |
Citations (6)
| 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 |
| US20190313802A1 (en) * | 2018-04-12 | 2019-10-17 | Zhejiang Motostuhl Furniture Co.,Ltd | Ergonomic 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 |
-
2021
- 2021-08-13 CN CN202110929998.3A patent/CN113749450B/en active Active
Patent Citations (6)
| 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 |
| US20190313802A1 (en) * | 2018-04-12 | 2019-10-17 | Zhejiang Motostuhl Furniture Co.,Ltd | Ergonomic 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 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN113749450B (en) | 2024-04-09 |
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