CN2408763Y - Spring back chair with adjustable elevation angle - Google Patents
Spring back chair with adjustable elevation angle Download PDFInfo
- Publication number
- CN2408763Y CN2408763Y CN 99257017 CN99257017U CN2408763Y CN 2408763 Y CN2408763 Y CN 2408763Y CN 99257017 CN99257017 CN 99257017 CN 99257017 U CN99257017 U CN 99257017U CN 2408763 Y CN2408763 Y CN 2408763Y
- Authority
- CN
- China
- Prior art keywords
- seat
- chair
- backrest
- elasticity
- pin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 230000006835 compression Effects 0.000 claims abstract description 12
- 238000007906 compression Methods 0.000 claims abstract description 12
- 239000002184 metal Substances 0.000 claims abstract description 10
- 229910052751 metal Inorganic materials 0.000 claims abstract description 10
- 238000005452 bending Methods 0.000 claims description 4
- 238000000465 moulding Methods 0.000 claims description 3
- 230000004323 axial length Effects 0.000 claims description 2
- 238000004026 adhesive bonding Methods 0.000 claims 1
- 239000011121 hardwood Substances 0.000 claims 1
- 230000037396 body weight Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 241000567030 Ampulloclitocybe clavipes Species 0.000 description 1
- 208000031648 Body Weight Changes Diseases 0.000 description 1
- 206010043101 Talipes Diseases 0.000 description 1
- 230000004579 body weight change Effects 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 201000011228 clubfoot Diseases 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The utility model relates to an elastic backrest chair with an adjustable elevation angle. The utility model is characterized in that the whole chair is separated between a seat board and chair feet, and the seat board and the chair feet are combined into a whole chair in an elastic way via a horizontal transverse shaft (4) which is additionally arranged in the middle of the bottom surface of the seat board and a vertical compression spring (5) on the front side of the transverse shaft (4). The back of a person sitting on the chair is pressed on a backrest, the elevation angle is enlarged after the backrest (1) and the seat board (2) are rotated around the transverse shaft (4), and the elastic counterforce of the compression spring (5) enables the elevation angle to restore. The person sitting on the chair obtains the forward and backward elastic swinging feeling of sitting poses, and the seat board (2) is enabled to swing or stop via an operating handle (6). The chair feet can be independent bodies with metal pipe frame structures of various forms. The structure is suitable for enabling the existing various portable chairs to become elastic chairs.
Description
The utility model relates to seat, depends on the variable elasticity chair in the back of the body elevation angle especially.
Existing backrest seat, during use, the backrest seat immobilizes to the angle on ground, and the body weight of upper half of human body is bordering on vertical carrying by lumbar vertebrae, and centre of body weight is difficult for changing displacement, sits susceptible of a specified duration and " aches all over ".The seat sense of soft chair, couch, folding seat is also like this, can only improve the skin tactility, structurally can not provide seat person center of gravity to do instantaneous drift, change the function that waist carries.Chaise longue allows end user's waist unloading, upper body body weight change by the back and presses chair back carrying, lies but sit during only for rest.The height-adjusting swivel chair that generally adopts in recent decades, its structural principle has been broken through fixedly chair of four traditional pin, seat face height can lift adjustment, when people's trunk bending backwards, by the spring counter-force of seat below, the angle over the ground of seat one backrest can be made elastics wing, and lumbar vertebrae carries momentary variation thereupon, the seat people is sat feel comfortable, and handsome in appearance, but the height-adjusting swivel chair complex structure, quick-wear part is more, useful life longevity is poor, the valency height, it is big to take up room, and mainly is applicable to office and production station, even socio-economic development also is difficult to the general family that enters and replaces traditional seat to higher level; And, for concrete seat individual human, seat ground level is not had the needs of frequent adjusting yet.Up to the present, in reported in literature or market product, do not see as yet by shaft-like (tubulose) chair pin and land the traditional structure seat of carrying, sitting the time spent, the structure thought that seat, backrest can change repeatedly to the ground angle.
The seat structure that provides a kind of bearing structure principle brand-new is provided the purpose of this utility model---the elasticity chair that the elevation angle is variable.It has the seat backrest layback elasticity of identical seat sense with height-adjusting swivel chair, but few quick-wear part; Take up an area of space, outward appearance, moulding, cost price, all be bordering on four traditional pin chairs, its firm and durable then with tradition four pin seats at a low price much at one.This structure is applicable to four pin chairs of existing all styles, and tripod chair, bend pipe land chair, the couch of low seat face.
The utility model purpose is achieved in that in the chair of being made up of backrest, seat, chair pin, seat is separated with the chair pin, between on seat (2) one chair pin (3), a horizontal cross shaft parallel with the backrest face (4) is set, the front side of transverse axis (4) is provided with 1～2 vertical compression spring (5), and backrest (1) and seat (2) are rigidly connected; Chair pin (3) is the desk-top braced frame of metal tube combination; Also can be at the front side or the rear side of horizontal cross shaft (4), add one and control seat (2) and whether chair pin (3) is needed the joystick (6) swung.Also can go up between plane and seat (2) bottom surface, be solded into the seat " pallet " of a height-adjusting swivel chair, replace horizontal cross shaft (4) and vertical compression spring (5) at chair pin (3).
Set horizontal cross shaft (4) is a thin minor axis of hinge type that the two ends axle bed is arranged, and axial length 7--25cm is preferably 8--15cm; Each one pair of axle bed of axle (4) two ends is formed by two coaxial lines perforation axle bed sheets up and down, and the sheet of axle bed up and down of every pair of axle bed is fixed with the last plane following, chair pin (3) of seat (2) respectively, and carefully minor axis (4) is worn two pairs of axle bed sheets and closed.Transverse axis (4) is located at the middle part of seat (2) bottom surface, and the central axis of the vertical compression spring (5) of axle (4) front side (seat people sight line forward) and the center line of transverse axis (4) are orthogonal, and the two axial lines spacing is 50--90mm.It can be that the 3--4 root lands the straight tube combination independently by the desk-top braced frame of metal tube combination that chair pin (3) is one,
Shape cantilever load-bearing bend pipe combination, or the combination of various moulding inclined tube, but they all should have plane on the shaped as frame that a pipe bar forms.
The top pressure end of spring (5) prop up plane on chair pin (3) pipe frame metal tube (or plate) below, the below counter-force end of spring (5) is through nut (10) plus-pressure of spring center screw rod (7), the compression counter-force of regulating spring (5), the spiral shell tail of spring center screw rod (7) is connected with the bottom surface of seat (2).By spring (5), spring center screw rod (7), nut (10) seat (2) and chair pin (3) are done the elasticity pressing.
The utility model is separated between the seat one chair pin of original secure bond owing to just having chair, a horizontal cross shaft (4) and vertical spring (5) have been added betwixt, seat (2) is formed chair pin (3) can be around the elasticity combination of axle (4) rotation, thereby structure is very simple, and when the pressured backrest in seat people back, driving seat (2) rotates around horizontal cross shaft (4) backward at the seat middle part, elastic reaction trend by vertical compression spring (5) resets simultaneously, like this, elastics wing sense when the seat people just obtains the body back pressure by seat back, centre of body weight is shifted repeatedly, it is comfortable to sit sense, and the material consumption of chair pin (3), stability in use, firmness, all identical with existing fixed structure chair, thereby can reach the purpose of this utility model fully.
Accompanying drawing 1 is a kind of subcombinations schematic diagram that does not have handrail elasticity chair of the utility model typical structure.
Accompanying drawing 2 is for adding the bend pipe pin elasticity conference chair of joystick (6).
Accompanying drawing 3 is for independent handrail is linked to be the elasticity chair that rigidity is sat people top with split plate backrest, seat.
Below, be described with reference to the accompanying drawings exemplary embodiments.
In the structure of accompanying drawing 1, backrest (1) and seat (2) fuse with whole counter-bending metal tube rigidity, become the seat people carrier of chair; Four straight tubes that land are the bottom of chair pin (3), its top horizontal transverse tube of 2--4 root, welding or be threaded becomes to have on the pipe frame four pin on plane to land desk-top chair pin separate component (3), axle bed under the stamping forming steel plate (9) is welded on the top table top transverse tube of chair pin (3), axle bed on the steel plate (8) is screwed in seat (2) bottom surface, short horizontal (4) is worn the left and right sides axle bed sheet of the lower shaft seat board that closes, lower shaft seat board (9) the elasticity pressing on plane on last axle bed plate (8) that the spiral shell tail of spring center screw rod (7) is following with seat (2) and the chair pin.When seat people back compressed backrest (1), the elevation angle increased behind the backrest, moves behind the gravity center of human body, back pressure produces the pressure square to axle (4), and seat (2) becomes big with the leading angle on ground, and the bounce of spring (5) increases, make every effort to make seat (2) to reset, the seat people produces the sense of sitting posture elastics wing thus.Four are landed the straight tube pin also can be the tripod chair in 1 in 2 the place aheads, rear.
Accompanying drawing 2 is another embodiment of the utility model,
The shape cantilever carries two-tube clubfoot top weldering transverse tube forms plane on the chair pin pipe frame, one of welding is assembled into the seat " pallet " of whole height-adjusting swivel chair on it, " pallet " lower plate and the solid welding of chair pin, " pallet " upper plate and seat (2) bottom surface is fixed, should " pallet " horizontal cross shaft (4) and vertical compression spring (5) be combined in one, substitute transverse axis (4) and spring (5) in the accompanying drawing 1, and added one at transverse axis (4) rear side and can change control handle (6), plate is changed hands (6) 90 ° of angles of handle, the buting iron of handle (6) withstands the seat bottom surface, seat (2) and backrest (1) just can not rotate around axle (4), and seat just becomes common hard chair.Seat among the figure (2) backboard (1) is the disjunctor glued board of hot forming.
Accompanying drawing 3 makes up manned body for using the shaped as frame plastic handrail with seat-backrest that the backboard and the seat of split is linked to be rigidity, become seat top, the structure of seat below can be with shown in accompanying drawing 1 or the accompanying drawing 2 any, and whole structure of chair principle is the utility model structure, repeats no more.
Claims (7)
1. elasticity chair that the elevation angle is variable, it is made up of backrest, seat and chair pin, it is characterized in that seat (2) and chair pin (3) are the discrete group zoariums, be provided with a horizontal cross shaft parallel with the backrest face (4) between seat (2) and chair pin (3), transverse axis (4) front side is provided with 1～2 vertical compression spring (5); Backrest (1) is rigidly connected with seat (2); Chair pin (3) is the desk-top braced frame of metal tube combination; Also can add a seat swing joystick (6) at the front side or the rear side of transverse axis (4).
2. according to the elasticity chair of claim 1, it is characterized in that chair pin (3) go up the plane below seat (2) between, be solded into the seat " pallet " of a height-adjusting swivel chair, replace the horizontal cross shaft (4) and the vertical compression spring (5) of independent setting.
3. according to the elasticity chair of claim 1, it is characterized in that horizontal cross shaft (4) is located at the middle part of seat (2) bottom surface, the vertical center line of the compression spring (5) of its front side (seat people sight line forward) is vertical each other with transverse axis (4) axis, and the two axial lines spacing is 50--90mm.
4. according to the elasticity chair of claim 1 or 2, it is characterized in that horizontal cross shaft (4) is a thin minor axis of hinge type that two ends axle bed (9) is arranged, length is 7--25cm, axial length 8--15cm preferably, every pair of axle bed is gone up the plane and is fixed with seat (2) bottom surface, chair pin (3) respectively, thin minor axis) 4) two pairs of axle beds are worn close.
5. according to the elasticity chair of claim 1, it is characterized in that chair pin (3) is the desk-top braced frame of metal tube combination, can be that the 3--4 root lands the straight tube combination,
The combination of shape cantilever load-bearing bend pipe, or the combination of various moulding inclined tube, their top all have plane on the pipe frame.
6. according to the elasticity chair of claim 1, it is characterized in that vertical compression spring (5) pressure end (top) plane on the pipe frame of chair pin (3) metal tube (or plate) below, counter-force end (below) is through the nut plus-pressure of spring center screw rod (7), and spring center screw rod (7) is connected with seat (2) bottom surface.
7. according to the elasticity chair of claim 1, it is characterized in that backrest (3) and seat (2) can be the multilayer gluing disjunctor plates of hot-forming integral body, also can be with the seat of split, rigidity backrest-seat assembly that backrest connects with screw with metal handrail pipe, hardwood handrail, plastic handrail, can also be 80～90 ° of high bending resistance metal tube bendings, or the backrest that is welded-seat combination rigid body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99257017 CN2408763Y (en) | 1999-12-04 | 1999-12-04 | Spring back chair with adjustable elevation angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 99257017 CN2408763Y (en) | 1999-12-04 | 1999-12-04 | Spring back chair with adjustable elevation angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2408763Y true CN2408763Y (en) | 2000-12-06 |
Family
ID=34040020
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 99257017 Expired - Fee Related CN2408763Y (en) | 1999-12-04 | 1999-12-04 | Spring back chair with adjustable elevation angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2408763Y (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1615769B (en) * | 2003-11-13 | 2010-11-24 | 国誉株式会社 | Backrest for chair |
| CN101925318B (en) * | 2008-01-23 | 2012-12-26 | 完美有限公司 | Pelvis protection chair |
| CN103340525A (en) * | 2013-07-19 | 2013-10-09 | 浙江利帆家具有限公司 | Swivel chair with convenient adjustment |
| CN105496080A (en) * | 2015-12-09 | 2016-04-20 | 海宁佳联沙发有限公司 | Portable, foldable and environment- friendly sofa |
| CN105725569A (en) * | 2016-04-01 | 2016-07-06 | 浙江工业职业技术学院 | Self-locking steplessly adjusting device for backrest swivel chair forward and backward swinging initial opposite force |
-
1999
- 1999-12-04 CN CN 99257017 patent/CN2408763Y/en not_active Expired - Fee Related
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1615769B (en) * | 2003-11-13 | 2010-11-24 | 国誉株式会社 | Backrest for chair |
| CN101925318B (en) * | 2008-01-23 | 2012-12-26 | 完美有限公司 | Pelvis protection chair |
| CN103340525A (en) * | 2013-07-19 | 2013-10-09 | 浙江利帆家具有限公司 | Swivel chair with convenient adjustment |
| CN105496080A (en) * | 2015-12-09 | 2016-04-20 | 海宁佳联沙发有限公司 | Portable, foldable and environment- friendly sofa |
| CN105725569A (en) * | 2016-04-01 | 2016-07-06 | 浙江工业职业技术学院 | Self-locking steplessly adjusting device for backrest swivel chair forward and backward swinging initial opposite force |
| CN105725569B (en) * | 2016-04-01 | 2018-11-09 | 浙江工业职业技术学院 | The self-locking stepless adjusting apparatus of the initial counter-force of backrest swivel chair swing |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C19 | Lapse of patent right due to non-payment of the annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |