CN101731861B - Seat capable of adjusting tilting angle of back - Google Patents
Seat capable of adjusting tilting angle of back Download PDFInfo
- Publication number
- CN101731861B CN101731861B CN2009102145131A CN200910214513A CN101731861B CN 101731861 B CN101731861 B CN 101731861B CN 2009102145131 A CN2009102145131 A CN 2009102145131A CN 200910214513 A CN200910214513 A CN 200910214513A CN 101731861 B CN101731861 B CN 101731861B
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- fork
- chassis
- torsion
- glue
- backrest
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Abstract
The invention relates to a seat capable of adjusting the tilting angle of a back. The seat comprises seat legs, a chassis, a support, the back and a cushion, wherein the back is arranged on the back end of the support, the front supporting point of the cushion is arranged in the middle part of the support, the back supporting point is supported by a connecting rod hinged on the chassis; the inside of the chassis is provided with a torsion mechanism and a shifting fork mechanism; the torsion mechanism comprises a hexagon bar; the front end of the support is sleeved on the two ends of the hexagon bar, the hexagon bar is arranged in the chassis and is sleeved with a main torque rubber, an auxiliary torsion rubber, a left locating block and a right locating block, the main torque rubber and the auxiliary torsion rubber are separately provided with a front lug and a back lug, the left and right locating blocks are separately provided with a stop lever, the back lug in the initial position of the torsion rubber is against the stop lever, the front lug of the main torque rubber is provided with a strutting piece; the shifting fork mechanism comprises a rotatory handle and a shifting fork composed of a fixed shifting fork and a movable shifting fork; and movable shifting fork is provided with a stop piece which can be separably butted with the bottom of the front lug of the auxiliary torsion rubber; and the backward tilting angle of the back of the seat adopting the above structure can be adjusted.
Description
Technical field
The invention belongs to furniture and make the field, be specifically related to the adjustable seat of a kind of backrest inclination angle.
Background technology
Present seat; Generally form by chair pin, chassis, support and the cushion and the backrest that are installed on the chassis; In order to improve comfort level; The general adjusting device of regulating the riding angle that all can on the chassis, be provided with is to regulate the angle of inclination of backrest, such as the adjusting device of common easy to operate employing pullswitch control.Adopt the seat of this structure, with respect to backrest fixed installation mode, because of regulating at its angle of inclination, the user can be adjusted to a position that is fit to own angle as required, improves comfort level.But present seat, the dynamics of leaning on is backward fixed basically, can't regulate, and the user that seat was directed against is unfixing; The people that child, adult, the male sex, women and stature vary in size is sitting on the seat, and employed dynamics difference of leaning on backward is very big, for the little people of strength; When wanting to let the backrest hypsokinesis, possibly comparatively painstakingly even can't regulate, it is very uncomfortable to be seated; And for a fat person's people, might lean against a little on the backrest, backrest is just toward hypsokinesis; Even might be excessive because of the angle of inclination, the chair center of gravity is taken place than about-face, destroy Chair structure or topple over.In addition, present seat, backrest and cushion can not produce interlock, and during backrest inclination, cushion generally all is fixed, the seat of this structure, when the backrest inclination angle changed, shank is being put can be very uncomfortable.
Summary of the invention
The object of the present invention is to provide a kind of reasonable in design, the adjustable seat of backrest inclination angle of the dynamics scalable of backrest leans back and comfort for sitting posture.
The objective of the invention is to realize like this: the adjustable seat of a kind of backrest inclination angle; Comprise chair pin 1, chassis 2, be installed in support 3 and backrest 4 and cushion 5 on the chassis 2; It is characterized in that: said backrest 4 is installed in support 3 rear ends; The strong point 50 is installed in the middle part of support 3 before the cushion 5, and the back strong point 51 supports through the connecting rod 6 that is hinged on the chassis 2, is provided with torsion mechanism 7, fork mechanism 8 in the said chassis 2; Wherein, Torsion mechanism 7 comprises that one is supported on the hexagonal bar 70 of both sides, chassis, and the front end sleeve of support 3 is connected on the both ends that hexagonal bar 70 stretches out the chassis outside, and hexagonal bar 70 is positioned at chassis 2 and is socketed with the left and right sides locating piece 73 that has a main torsion glue 71 and an auxiliary torsion glue 72 at least and be positioned at torsion glue both sides; Said main torsion glue 71, auxiliary torsion glue 72 have first vestibule 710 and second vestibule 720 and the first back ear 711 and the second back ear 721 respectively on same angle; One pin 74 is installed on the left and right sides locating piece 73, and the back ear of torsion glue withstands on when initial position on this pin 74, and first vestibule 710 of said main button power glue 71 is provided with support member 75; Said fork mechanism 8 comprises rotary handle 80, be socketed in the fork of being made up of fixedly fork 81 and movable fork 82 on the rotary handle 80; Movable fork 82 is provided with block 820; When rotary handle 80 rotates, but the clutch action that movable fork 82 produces makes second vestibule, 720 bottoms that are resisted against said auxiliary torsion glue 72 of block 820 clutches.
Said auxiliary torsion glue 72 is two, lays respectively at the both sides of main torsion glue 71, about the fork of said fork mechanism 8 has two groups, is connected with auxiliary torsion glue 72 respectively.
Two groups of forks about said fork mechanism 8, its movable fork 82 is positioned at the fixedly inboard of fork 81, between movable fork 82, is provided with the back-moving spring 83 that two movable forks 82 are resetted to fixing fork 81 directions.
Two groups of forks about said, it drives the different rotary angle position that inclined-plane 810 is positioned at rotary handle 80, makes the angle of its clutch action inconsistent.
The width of said auxiliary torsion glue 72 is inequality.
Said support member 75 is regulated the initial position stress intensity of backrest 4 for being located at the adjusting screw(rod) on the chassis 2 through adjusting screw(rod) 75.
Good effect of the present invention is: through torsion mechanism, fork mechanism are set in the chassis; Support is installed in the hexagonal bar both ends of torsion mechanism, drives the fork mechanism action through rotary handle, makes selectable the playing a supportive role of auxiliary torsion glue of torsion mechanism; Thereby change the torque magnitude of torsion mechanism; When realizing regulating the backrest inclination angle, change the dynamics size of leaning on backward, be fit to different people and use.In addition, cushion, backrest are installed on the support, and during the backrest hypsokinesis, backrest is hypsokinesis thereupon also, remains comfortable sitting posture.
The width of each auxiliary torsion glue 72 is inequality, and the gear of seat adjustment torque magnitude is many more.
Description of drawings
Fig. 1 is the adjustable seat front view of backrest inclination angle of the present invention;
Fig. 2 is the adjustable seat left view of backrest inclination angle of the present invention;
Seat left view when Fig. 3 is the backrest hypsokinesis;
Fig. 4 is a chassis internal structure sketch map;
Fig. 5 is a fork mechanism stereogram;
Fig. 6 is a fork mechanism cutaway view;
Fig. 7 is fork mechanical work principle figure;
Fig. 8 is the torsion mechanism stereogram;
Fig. 9 is support member and main torsion glue syndeton sketch map;
Figure 10 is fork and auxiliary torsion glue syndeton sketch map.
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the adjustable seat of backrest inclination angle of the present invention is done further explain.
Embodiment: like Fig. 1-shown in Figure 10, the adjustable seat of backrest inclination angle according to the invention mainly is made up of chair pin 1, chassis 2, support 3 and the backrest 4 and the cushion 5 that are installed on the chassis 2; Backrest 4 is installed in support 3 rear ends, and the strong point 50 is installed in the middle part of support 3 before the cushion 5, and the back strong point 51 supports through the connecting rod 6 that is hinged on the chassis 2; Cushion 5 can produce interlock with the angle variation of backrest 4, improves comfort level, changes the preceding strong point 50 installation sites of cushion 5; During backrest 4 hypsokinesis; The angle of inclination of its cushion 5 varies in size, and it is forward more that the strong point 50 is installed in the position of support 3, and cushion 5 angles change more little.Be provided with torsion mechanism 7 and fork mechanism 8 in the chassis 2; Wherein, Torsion mechanism 7 has the hexagonal bar 70 that is supported on 2 both sides, chassis; The front end sleeve of support 3 is connected on the both ends that hexagonal bar 70 stretches out the outside, chassis; Hexagonal bar 70 is positioned at chassis 2 and is socketed with the left and right sides locating piece 73 that has a main torsion glue 71 and an auxiliary torsion glue 72 at least and be positioned at torsion glue both sides, and present embodiment has adopted two auxiliary torsion glue 72 and 71, two auxiliary torsion glue 72 of a main torsion glue to be positioned at the both sides of main torsion glue 71.Main torsion glue 71 has first vestibule 710 and the first back ear 711; Auxiliary torsion glue 72 has second vestibule 720 and the second back ear 721; First back ear 711 of main torsion glue 71 and the second back ear 721 of auxiliary torsion glue 72 are on same angle; One pin 74 is installed on the left and right sides locating piece 73, and the back ear of torsion glue withstands on when initial position on this pin 74, makes backrest 4 when initial position, have a primary stress.On first vestibule 710 of main button power glue 71, be provided with support member 75, the torsion that produces deformation through main button power glue 71 makes backrest 4 have the dynamics of leaning on after the initial minimum.Fork mechanism 8 uses comparatively common on the automatic clutch device; Mainly by rotary handle 80, be socketed in the fork of forming by fixedly fork 81 and movable fork 82 on the rotary handle 80, movable fork 82 is provided with block 820, during rotary handle 80 rotations; When fixedly the driving inclined-plane 810 of fork 81 contacts with the pushing block of movable fork 82; Driving activity fork 82 is away from fixing fork 81, and the block 820 on the movable fork 82 is resisted against second vestibule, 720 bottoms of auxiliary torsion glue 72, increases the torsion of torsion glue; Because auxiliary torsion glue 72 has two tools, so also two groups of needs of the fork that cooperates with auxiliary torsion glue 72.Movable fork 82 is positioned at the fixedly inboard of fork 81, between movable fork 82, is provided with the back-moving spring 83 that two movable forks 82 are resetted to fixing fork 81 directions.In order to make seat have the torsion of many grades of different sizes; The width of two auxiliary torsion glue 72 is not of uniform size; The auxiliary torsion glue 72 in left side is bigger than auxiliary torsion glue 72 width on right side; About two groups of forks, it drives the different rotary angle position that inclined-plane 810 is positioned at rotary handle 80, makes the angle of its clutch action inconsistent.As shown in Figure 7, when rotary handle 80 is positioned at initial position, be one grade, movable fork 82 is under the effect of back-moving spring 83 about this moment, and block 820 does not all contact with auxiliary torsion glue 72, has only main torsion glue 71 to produce torsion.Rotate rotary handle 80 certain angles; Not being given in the right side among the pushing block figure of the movable fork 82 in right side fixedly is moved to the left under acting on the driving inclined-plane 810 of fork 81; Block 820 is resisted against second vestibule, 720 bottoms of the auxiliary torsion glue 72 in right side, and be second gear this moment, and torsion increases; Rotate to an angle again; The movable fork 82 on right side resets down in back-moving spring 83 effect, and block 820 leaves auxiliary torsion glue 72 positions, right side, and the pushing block of left side activity fork 82 fixedly moves right under the effect on the driving inclined-plane 810 of fork 81 in the left side; Block 820 is resisted against second vestibule, 720 bottoms of the auxiliary torsion glue 72 in the left side; Be third gear torsion this moment, because the auxiliary torsion glue 72 in left side is bigger than the width of the auxiliary torsion glue 72 in right side, so the relative second gear of torsion also wants big; Be rotated further rotary handle 80, the bottom of two auxiliary torsion glue 72 second vestibules 720 about the pushing block of two movable forks 82 all is against about making, at this moment, three torsion glue all work, and torsion is maximum, is the fourth gear structure.In order to regulate the initial position stress intensity of backrest 4, support member 75 of the present invention adopts the adjusting screw(rod) 75 that is installed on the chassis 2 to regulate.
The hexagonal bar 70 that patent of the present invention adopted can also be non-revolution structures such as four angular poles, triangle pole, adopts these structures, all belongs to equivalent technical solutions of the present invention, falls into protection scope of the present invention.
Claims (6)
1. seat that the backrest inclination angle is adjustable; Comprise chair pin (1), chassis (2), be installed in support (3) and backrest (4) and cushion (5) on the chassis (2); It is characterized in that: said backrest (4) is installed in support (3) rear end; The preceding strong point of cushion (5) (50) is installed in the middle part of support (3); The back strong point (51) supports through the connecting rod (6) that is hinged on the chassis (2); Be provided with torsion mechanism (7), fork mechanism (8) in the said chassis (2), wherein, torsion mechanism (7) comprises that one is supported on the hexagonal bar (70) of both sides, chassis; The front end sleeve of support (3) is connected on the both ends that hexagonal bar (70) stretches out the outside, chassis (2); Hexagonal bar (70) is positioned at chassis (2) and is socketed with the left and right sides locating piece (73) that has main torsion glue (71) and an auxiliary torsion glue (72) at least and be positioned at torsion glue both sides, and said main torsion glue (71), auxiliary torsion glue (72) have first vestibule (710) and second vestibule (720) and the first back ear (711) and the second back ear (721) respectively on same angle, and left and right sides locating piece (73) is gone up a pin (74) is installed; The back ear of torsion glue withstands on when initial position on this pin (74), and first vestibule (710) of said main button power glue (71) is provided with support member (75); Said fork mechanism (8) comprises rotary handle (80), be socketed in the fork of being made up of fixedly fork (81) and movable fork (82) on the rotary handle (80); Movable fork (82) is provided with block (820); When rotary handle (80) rotated, the clutch action that movable fork (82) produces made block (820) but second vestibule (720) bottom that is resisted against said auxiliary torsion glue (72) of clutch.
2. the adjustable seat of backrest inclination angle according to claim 1; It is characterized in that: said auxiliary torsion glue (72) is two; Lay respectively at the both sides of main torsion glue (71), about the fork of said fork mechanism (8) has two groups, be connected with auxiliary torsion glue (72) respectively.
3. the adjustable seat of backrest inclination angle according to claim 2; It is characterized in that: two groups of forks about said fork mechanism (8); Its movable fork (82) is positioned at the fixedly inboard of fork (81), between movable fork (82), is provided with the back-moving spring (83) that two movable forks (82) are resetted to fixing fork (81) direction.
4. according to claim 2 or the adjustable seat of 3 described backrest inclination angles, it is characterized in that: two groups of forks about said, it drives the different rotary angle position that inclined-plane (810) is positioned at rotary handle (80), makes the angle of its clutch action inconsistent.
5. the adjustable seat of backrest inclination angle according to claim 2 is characterized in that: the width of said auxiliary torsion glue (72) is inequality.
6. the adjustable seat of backrest inclination angle according to claim 1 is characterized in that: said support member (75) is regulated the initial position stress intensity of backrest (4) for being located at the adjusting screw(rod) on the chassis (2) through adjusting screw(rod) (75).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102145131A CN101731861B (en) | 2009-12-30 | 2009-12-30 | Seat capable of adjusting tilting angle of back |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102145131A CN101731861B (en) | 2009-12-30 | 2009-12-30 | Seat capable of adjusting tilting angle of back |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101731861A CN101731861A (en) | 2010-06-16 |
| CN101731861B true CN101731861B (en) | 2012-05-30 |
Family
ID=42456269
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102145131A Expired - Fee Related CN101731861B (en) | 2009-12-30 | 2009-12-30 | Seat capable of adjusting tilting angle of back |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101731861B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NO336920B1 (en) * | 2012-12-19 | 2015-11-23 | Scandinavian Business Seating Ab | Rocker control device and method |
| NO335007B1 (en) * | 2012-12-19 | 2014-08-25 | Scandinavian Business Seating AS | Device for tilting chair for chair |
| CN106473489B (en) * | 2015-08-25 | 2023-08-01 | 宁波天孜椅业有限公司 | Chair seat |
| DE102016102557A1 (en) * | 2016-02-15 | 2017-08-17 | Interstuhl Büromöbel GmbH & Co. KG | Seating furniture with a backrest stop |
| GB2553750B (en) * | 2016-06-28 | 2019-06-05 | Posturite Ltd | Seat tilting mechanism |
| CN110353544B (en) * | 2019-07-17 | 2024-05-28 | 江苏理工学院 | Multifunctional bathroom |
| CN111643081B (en) * | 2020-06-15 | 2021-06-25 | 山东奥新医疗科技有限公司 | Angle-adjustable movable seat |
| KR102359635B1 (en) * | 2020-07-27 | 2022-02-08 | 윤욱 | Lumbar support seat angle adjustment device |
| CN112205810A (en) * | 2020-09-24 | 2021-01-12 | 南通馨宇诺家居用品有限公司 | Rotation-controllable multifunctional cushion |
-
2009
- 2009-12-30 CN CN2009102145131A patent/CN101731861B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101731861A (en) | 2010-06-16 |
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| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120530 Termination date: 20121230 |