CN106073251B - Office chair mechanism with adjustable posture - Google Patents
Office chair mechanism with adjustable posture Download PDFInfo
- Publication number
- CN106073251B CN106073251B CN201610636253.7A CN201610636253A CN106073251B CN 106073251 B CN106073251 B CN 106073251B CN 201610636253 A CN201610636253 A CN 201610636253A CN 106073251 B CN106073251 B CN 106073251B
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- Prior art keywords
- frame
- seat
- keel
- chair
- chassis
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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
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
- A47C1/03205—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/022—Reclining or easy chairs having independently-adjustable supporting parts
- A47C1/03—Reclining or easy chairs having independently-adjustable supporting parts the parts being arm-rests
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C1/00—Chairs adapted for special purposes
- A47C1/02—Reclining or easy chairs
- A47C1/031—Reclining or easy chairs having coupled concurrently adjustable supporting parts
- A47C1/032—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
- A47C1/03294—Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest slidingly movable in the base frame, e.g. by rollers
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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
- A47C3/18—Chairs or stools with rotatable seat
-
- 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
- A47C7/004—Chair or stool bases for chairs or stools with central column, e.g. office chairs
-
- 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
- A47C7/006—Chair or stool bases with castors
-
- 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
- A47C7/38—Support for the head or the back for the head
-
- 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
Landscapes
- Health & Medical Sciences (AREA)
- Dentistry (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chairs Characterized By Structure (AREA)
Abstract
The invention discloses an office chair mechanism with adjustable posture, which comprises: a chassis; a seat frame disposed on the chassis; the keel seat is hinged to one end of the chassis; the seat back frame is arranged on the keel seat in a sliding manner; the linkage adjusting mechanism is arranged at the lower end of the chassis and used for connecting the seat frame and the keel seat and controlling the linkage of the seat frame and the keel seat; and a chair leg mechanism arranged at the lower part of the linkage adjusting mechanism and used for supporting the office chair. The office chair mechanism with the adjustable posture can automatically and cooperatively adjust the angle between the chair seat and the chair back along with the change of the posture of a human body, thereby providing a comfortable chair angle for a user, facilitating rest and use and providing convenience for the user.
Description
Technical Field
The invention relates to the field of office chairs, in particular to an office chair mechanism with an adjustable posture.
Background
The existing office chair generally considers the material and the shape of the chair so as to meet the requirements of reducing the pressing area of the buttocks and the back, pressing acupuncture points at the stress part, promoting the blood circulation of the buttocks and the back and avoiding the strain of the neck, the shoulder and the waist, and the basic shape is not changed; at present, urban office workers generally have noon break in companies at noon, but often or because the office position is limited, the workers cannot lie down for rest, or because the time is not sufficient, the workers do not want to lay sleepers, the workers are easy to fatigue, and the working efficiency is influenced.
Accordingly, the prior art is yet to be improved and developed.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide an office chair mechanism with an adjustable posture, so that the problems that the office chair in the prior art is inconvenient to adjust the posture, is inconvenient to rest and use and is easy to cause fatigue are solved.
The technical scheme of the invention is as follows:
an adjustable-posture office chair mechanism comprising: a chassis; a seat frame disposed on the chassis; the keel seat is hinged at one end of the chassis; the seat back frame is arranged on the keel seat in a sliding mode; the linkage adjusting mechanism is arranged at the lower end of the chassis and used for connecting the seat frame and the keel seat and controlling the linkage of the seat frame and the keel seat; and the chair leg mechanism is arranged at the lower part of the linkage adjusting mechanism and is used for supporting the office chair.
The office chair mechanism of adjustable gesture, wherein, linkage adjustment mechanism includes: the fixing frame is fixedly arranged at the lower end of the chassis; the swinging frame is hinged at one end of the fixing frame and used for driving linkage adjustment; two chassis supporting rods hinged at the other end of the fixing frame and used for driven linkage adjustment; the two ends of the connecting frame are respectively hinged on the swing frame and the chassis supporting rod; and two keel seat supporting rods with two ends respectively hinged on the chassis supporting rod and the keel seat and used for supporting and pulling down the keel seat.
The office chair mechanism of adjustable gesture, wherein, linkage adjustment mechanism still includes: two ends of the two chair back frame supporting frames are respectively hinged to the keel seat supporting rod and the chair back frame and used for pulling down and pushing up the chair back frame.
The office chair mechanism with the adjustable posture is characterized in that a through channel is arranged on the keel seat, one end of the back of the chair frame supporting frame is hinged to the keel seat supporting rod, and the other end of the back of the chair frame supporting frame penetrates through the through channel and is hinged to the lower end of the back of the chair frame through a rotating shaft.
The office chair mechanism with the adjustable posture is characterized in that the keel seat and the chassis supporting rod are hinged to the same end of the fixing frame.
The office chair mechanism with adjustable posture, wherein the chair foot mechanism comprises: the air rod is fixedly arranged at the lower end of the connecting frame and is used for adjusting the height and the rotating angle of the chair; the chair legs are fixedly arranged at the lower end of the air rod and used for supporting an office chair; and casters provided on the legs for moving the office chair.
The office chair mechanism with the adjustable posture, wherein a clamping groove is formed in the chair back frame, a protrusion is arranged on the keel seat, and the chair back frame is arranged on the keel seat in a sliding mode through the cooperation of the protrusion and the clamping groove.
The office chair mechanism with the adjustable posture is characterized in that the chair seat frame is fixedly arranged on the chassis through a plurality of screws.
The office chair mechanism with the adjustable posture comprises a keel seat, a keel seat and a handrail, wherein the height of the keel seat can be adjusted, and the handrail is fixedly arranged on two sides of the keel seat.
The office chair mechanism with the adjustable posture further comprises a headrest frame arranged at the upper end of the keel seat.
The invention has the beneficial effects that: the invention provides an office chair mechanism capable of adjusting postures, which comprises: a chassis; a seat frame disposed on the chassis; the keel seat is hinged to one end of the chassis; the seat back frame is arranged on the keel seat in a sliding mode; the linkage adjusting mechanism is arranged at the lower end of the chassis and used for connecting the seat frame and the keel seat and controlling the linkage of the seat frame and the keel seat; and a chair leg mechanism arranged at the lower part of the linkage adjusting mechanism and used for supporting the office chair. The office chair mechanism with the adjustable posture can automatically and cooperatively adjust the angle between the chair seat and the chair back along with the change of the posture of a human body, thereby providing a comfortable chair angle for a user, facilitating rest and use and providing convenience for the user.
Drawings
FIG. 1 is a schematic diagram of a preferred embodiment of the adjustable-posture office chair mechanism of the present invention.
FIG. 2 is a partial schematic structural view of a preferred embodiment of the adjustable-posture office chair mechanism of the present invention.
FIG. 3 is a partial schematic view of another angle of the preferred embodiment of the adjustable position office chair mechanism of the present invention.
FIG. 4 is a partial schematic view of a preferred embodiment of the linkage adjustment mechanism of the present invention.
FIG. 5 is a schematic angular structure of a preferred embodiment of the adjustable position office chair mechanism of the present invention.
Detailed Description
The invention provides an office chair mechanism with adjustable posture, which is further described in detail below by referring to the attached drawings and embodiments in order to make the purpose, technical scheme and effect of the invention clearer and clearer. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The office chair mechanism with adjustable posture of the preferred embodiment of the invention, as shown in fig. 1, comprises: a chassis 1; a seat frame 2 provided on the chassis 1; a keel base 3 hinged at one end of the chassis 1; a chair back frame 4 arranged on the keel seat 3 in a sliding manner; a linkage adjusting mechanism 5 which is arranged at the lower end of the chassis 1 and is used for connecting the chair seat frame 2 and the keel seat 3 and controlling the linkage of the chair seat frame 2 and the keel seat 3; and a chair leg mechanism 6 which is arranged at the lower part of the linkage adjusting mechanism 5 and is used for supporting the office chair. It will be appreciated that the seat frame 2 is for providing a seat for a user to sit on, and the back frame 4 is for providing a back for a user to rest on.
Further, referring to fig. 2 to 4 together, the linkage adjusting mechanism 5 includes: a fixed mount 51 fixedly arranged at the lower end of the chassis 1; a swing frame 52 hinged at one end of the fixed frame 51 and used for driving linkage adjustment; two chassis supporting rods 53 hinged at the other end of the fixed frame 51 and used for driven linkage adjustment; a connecting frame 54 with two ends respectively hinged on the swinging frame 52 and the chassis supporting rod 53; and two keel base support rods 55 with two ends respectively hinged on the chassis support rod 53 and the keel base 3 and used for supporting and pulling down the keel base 3.
Further, as shown in fig. 2 to 4, in the embodiment of the present invention, the linkage adjusting mechanism 5 further includes: two ends of the two chair back frame supporting frames 56 are respectively hinged on the keel supporting frame 55 and the chair back frame 4 and are used for pulling down and pushing up the chair back frame 4. That is, one end of the back frame support frame 56 is hinged to the keel support frame 55, and the other end is hinged to the back frame 4.
Specifically, referring to fig. 2 to 4 together, in the embodiment of the present invention, a through channel 31 is disposed on the keel base 3, one end of the backrest frame support 56 is hinged to the two keel base support rods 55, and the other end of the backrest frame support is hinged to the lower end of the backrest frame 4 through the through channel 31 and a rotating shaft 41.
Preferably, as shown in fig. 2 and 3, in the embodiment of the present invention, the keel base 3 and the chassis supporting rod 53 are hinged to the same end of the fixing frame 51, so as to better achieve the linkage adjustment effect of the office chair.
Further, referring to fig. 3 and fig. 5, in an embodiment of the present invention, the chair leg mechanism includes: an air rod 61 fixedly provided on the lower end of the link 54 for adjusting the height and rotation angle of the chair; a chair leg 62 fixedly arranged at the lower end of the air rod 61 for supporting the office chair; caster 63 provided on the leg 62 for moving the office chair.
Further, as shown in fig. 5, in the embodiment of the present invention, a slot 42 is disposed on the back frame, a protrusion 32 is disposed on the keel base 3, and the protrusion 32 cooperates with the slot 42 to slidably dispose the back frame 4 on the keel base 3.
Preferably, as shown in fig. 3 and 4, in the embodiment of the present invention, the seat frame 2 is fixedly disposed on the chassis 1 by a plurality of screws 11.
Further, as shown in fig. 5, in the embodiment of the present invention, the office chair mechanism further includes height-adjustable armrests 39 fixedly disposed on both sides of the keel base 3. Preferably, the armrest 39 is sleeved with an armrest sleeve for protecting the left and right armrests.
Further, as shown in fig. 2, 3 and 5, in the embodiment of the present invention, the office chair mechanism further includes a headrest frame 38 disposed at an upper end of the keel base 3. The headrest frame 38 is used for placing a headrest for the user to lean against the head.
Preferably, the office chair mechanism with adjustable posture of the present invention further comprises a release locking mechanism (not shown in the figure) for locking the linkage adjusting mechanism 5, and the release locking mechanism is opened, so that the rocking bar 52 can rock back and forth, thereby driving the whole linkage adjusting mechanism 5 to operate, and adjusting the posture of the office chair.
Further preferably, the backrest frame 4 and the armrests 39 are further provided with a limiting mechanism for limiting the upper and lower limit adjusting positions of the backrest frame 4 and the armrests 39.
The principle of the posture adjusting mechanism of the office chair with the adjustable posture is as follows: after the locking mechanism is released, when the swinging rod 52 swings forwards, the seat frame 2 moves forwards, the chassis supporting rod 53 swings forwards, the keel seat supporting rod 55 swings downwards, the keel seat 3 is pulled down, the keel seat 3 swings downwards, the seat back frame supporting frame 56 moves downwards, the seat back frame 4 is pulled, and the seat back frame 4 moves downwards (slides downwards) relative to the keel seat 3; when the rocking bar 52 rocks backward, the seat frame 2 moves backward, the chassis support bar 53 swings backward, the keel base support bar 55 swings upward, the keel base 3 is supported, the keel base 3 swings upward, the backrest frame support 56 is supported, and the backrest frame 4 moves upward (slides upward) relative to the keel base 3.
In summary, the present invention provides an office chair mechanism with adjustable posture, comprising: a chassis; a seat frame disposed on the chassis; the keel seat is hinged at one end of the chassis; the seat back frame is arranged on the keel seat in a sliding manner; the linkage adjusting mechanism is arranged at the lower end of the chassis and used for connecting the seat frame and the keel seat and controlling the linkage of the seat frame and the keel seat; and the chair leg mechanism is arranged at the lower part of the linkage adjusting mechanism and is used for supporting the office chair. The office chair mechanism with the adjustable posture can automatically and cooperatively adjust the angle between the chair seat and the chair back along with the change of the posture of a human body, thereby providing a comfortable chair angle for a user, facilitating rest and use and providing convenience for the user.
It is to be understood that the invention is not limited to the examples described above, but that modifications and variations may be effected thereto by those of ordinary skill in the art in light of the foregoing description, and that all such modifications and variations are intended to be within the scope of the invention as defined by the appended claims.
Claims (8)
1. An adjustable-posture office chair mechanism, comprising:
a chassis;
a seat frame disposed on the chassis;
the keel seat is hinged to one end of the chassis;
the seat back frame is arranged on the keel seat in a sliding mode;
the linkage adjusting mechanism is arranged at the lower end of the chassis and used for connecting the seat frame and the keel seat and controlling the linkage of the seat frame and the keel seat;
the chair leg mechanism is arranged at the lower part of the linkage adjusting mechanism and is used for supporting the office chair;
the linkage adjustment mechanism includes:
the fixing frame is fixedly arranged at the lower end of the chassis;
the swinging frame is hinged to one end of the fixed frame and used for driving linkage adjustment;
two chassis supporting rods hinged at the other end of the fixing frame and used for driven linkage adjustment;
the two ends of the connecting frame are respectively hinged on the swing frame and the chassis supporting rod;
two keel base supporting rods with two ends respectively hinged on the chassis supporting rod and the keel base and used for supporting and pulling down the keel base;
the keel seat is provided with a through channel, one end of the back frame supporting frame is hinged on the two keel seat supporting rods, and the other end of the back frame supporting frame passes through the through channel and is hinged at the lower end of the back frame through a rotating shaft;
the office chair mechanism further comprises a locking and loosening mechanism arranged on the rocking frame, the locking and loosening mechanism is used for locking the linkage adjusting mechanism, and when the locking and loosening mechanism is opened, the rocking frame swings back and forth to drive the whole linkage adjusting mechanism to operate.
2. The adjustable-posture office chair mechanism of claim 1, wherein the coordinated adjustment mechanism further comprises: two ends of the two back-of-chair frame supporting frames are respectively hinged on the keel seat supporting rod and the back-of-chair frame and used for pulling down and pushing up the back-of-chair frame.
3. The adjustable positioning office chair mechanism of claim 1, wherein the keel base and the chassis support bar are hinged on the same end of the mount.
4. The adjustable-posture office chair mechanism of claim 1, wherein the chair foot mechanism comprises:
the air rod is fixedly arranged at the lower end of the connecting frame and is used for adjusting the height and the rotating angle of the chair;
the chair legs are fixedly arranged at the lower end of the air rod and used for supporting an office chair;
and casters provided on the legs for moving the office chair.
5. A posture-adjustable office chair mechanism as claimed in claim 1, wherein the back frame is provided with a slot, the keel base is provided with a projection, and the projection cooperates with the slot to slidably mount the back frame on the keel base.
6. An adjustable position office chair mechanism as claimed in claim 1, wherein the seat frame is fixedly secured to the chassis by a plurality of screws.
7. The adjustable-posture office chair mechanism of claim 1, further comprising height-adjustable armrests fixedly disposed on either side of the keel base.
8. The adjustable positioning office chair mechanism of claim 1 further comprising a headrest frame disposed at an upper end of the keel base.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610636253.7A CN106073251B (en) | 2016-08-05 | 2016-08-05 | Office chair mechanism with adjustable posture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610636253.7A CN106073251B (en) | 2016-08-05 | 2016-08-05 | Office chair mechanism with adjustable posture |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106073251A CN106073251A (en) | 2016-11-09 |
| CN106073251B true CN106073251B (en) | 2023-02-28 |
Family
ID=57454295
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610636253.7A Active CN106073251B (en) | 2016-08-05 | 2016-08-05 | Office chair mechanism with adjustable posture |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106073251B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107581811A (en) * | 2017-09-28 | 2018-01-16 | 大康控股集团有限公司 | One kind back of the body crankshaft base coordinated type seat |
| CN108835989B (en) * | 2018-08-02 | 2023-10-17 | 佛山职业技术学院 | Sofa chair capable of lying flat |
| CN110063604A (en) * | 2019-06-03 | 2019-07-30 | 叶传龙 | A kind of seat can the office chair that adjusts of wing drop |
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| JP2003289984A (en) * | 2002-03-29 | 2003-10-14 | Kokuyo Co Ltd | Chair |
| JP2007050121A (en) * | 2005-08-18 | 2007-03-01 | Itoki Corp | Chair with backrest |
| CN101242756A (en) * | 2005-08-18 | 2008-08-13 | 伊藤喜有限公司 | Chair |
| CN2889004Y (en) * | 2006-03-03 | 2007-04-18 | 卢顺接 | Handle interlocked office chair |
| JP2007325689A (en) * | 2006-06-07 | 2007-12-20 | Quali:Kk | Backrest structure of chair |
| CN101172001A (en) * | 2006-10-18 | 2008-05-07 | 赛杜斯施托尔股份公司 | Chair with tilting seat |
| WO2008146887A1 (en) * | 2007-05-29 | 2008-12-04 | Itoki Corporation | Rocking chair |
| CN104486971A (en) * | 2012-05-02 | 2015-04-01 | 株式会社冈村制作所 | Height adjustment device in fixture, and armrest device for chair provided with height adjustment device |
| CN202739305U (en) * | 2012-07-24 | 2013-02-20 | 泰桦家具股份有限公司 | Adjusting device of seat |
| WO2015109413A1 (en) * | 2014-01-21 | 2015-07-30 | Stoll Giroflex Ag | Seating furniture, in particular a chair |
| CN204273919U (en) * | 2014-11-24 | 2015-04-22 | 杭州博志家具设计有限公司 | A kind of lifting regulation mechanism of back of child growth chair |
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| Publication number | Publication date |
|---|---|
| CN106073251A (en) | 2016-11-09 |
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