CN203646820U - Office chair with backrest capable of being adjusted at angle of 90 degrees - Google Patents
Office chair with backrest capable of being adjusted at angle of 90 degrees Download PDFInfo
- Publication number
- CN203646820U CN203646820U CN201420044412.0U CN201420044412U CN203646820U CN 203646820 U CN203646820 U CN 203646820U CN 201420044412 U CN201420044412 U CN 201420044412U CN 203646820 U CN203646820 U CN 203646820U
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- Prior art keywords
- backrest
- fixed
- body frame
- seat body
- office chair
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- 230000007246 mechanism Effects 0.000 claims abstract description 39
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 230000003028 elevating effect Effects 0.000 claims description 11
- 210000002683 foot Anatomy 0.000 description 15
- 230000000694 effects Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model discloses an office chair with a backrest capable of being adjusted at an angle of 90 degrees. The office chair comprises the backrest (1), a seat cushion (2), a backrest adjustment mechanism (4), a foot stand (8) and a chair main frame (11), wherein the backrest adjustment mechanism (4) comprises a knob (5), a rotary shaft (13), an inner baffle (15), an eccentric gear (16), an inner toothed disc (17), a backrest fixing plate (18), a backrest fixing pin (19) and an outer baffle (21); the rotary shaft (13) is arranged on a left side plate (14) of the chair main frame (11); the eccentric gear (16) is fixed on an eccentric wheel of the rotary shaft (13); the backrest fixing plate (18) and the backrest fixing pin (19) are fixed on the eccentric gear (16) in sequence; the inner baffle (15), the inner toothed disc (17) and the outer baffle (21) are fixed together with the left side plate (14) in sequence; the eccentric gear (16) is engaged with the inner toothed disc (17). The office chair adopting the structure has the advantages of simple and compact structure, flexibility and portability in operation, stability and reliability in adjustment, capabilities of being used for offices and being used as a deck chair, and the like.
Description
Technical field
The utility model relates to a kind of office chair, particularly a kind of office chair that can backrest can regulate within the scope of 90 degree.
Background technology
Office chair is the essential product of routine office work, style has varied, general office chair bag backrest, cushion, backrest regulating mechanism, backrest rotating mechanism, elevating mechanism, foot rest, seat body frame, elevating mechanism is fixedly connected between seat body frame and foot rest, cushion is fixed on seat body frame, backrest can regulate layback angle by backrest regulating mechanism, office chair not only can regulate height by elevating mechanism, but also can rotate, give clerical workforce adjusting sitting posture fatigue-relieving and mobile bringing convenience at any time.But in use there is following problem: the one, when nooning, because road is far away or the time of having a rest is short, most of clerical workforce cannot go home to lie up, can only lie prone and have a rest on desk, or recline and have a rest on the backrest of office seating, what now health can not really obtain loosens, and can not have good rest, directly affects people's rest effect.The 2nd, the flexible foot pad of existing office seating, in the time reclining on office seating rest, both feet are suspended on cushion, also can affect rest effect.For this reason, many manufacturers and knowledgeable people develop and manufacture experimently for the problems referred to above, but not yet have so far comparatively desirable product to emerge.
Summary of the invention
For overcoming existing office chair above shortcomings, the purpose of this utility model be to provide a kind of simple and compact for structure, flexible operation is light, regulate steadily reliably, not only can be for office but also can be used as the office chair that the backrest lying low that chaise longue uses can 90 degree regulates.
The utility model solves the problems of the technologies described above adopted technical scheme, it comprises backrest, cushion, backrest regulating mechanism, backrest rotating mechanism, elevating mechanism, foot rest, seat body frame, elevating mechanism is fixedly connected between seat body frame and foot rest, cushion is fixed on seat body frame, described backrest regulating mechanism comprises knob, turning cylinder, Internal baffle, eccentric gear, interior fluted disc, backrest fixed head, backrest steady pin, outer baffle, turning cylinder is arranged on the left plate of seat body frame rotationally, eccentric gear is fixed on the eccentric wheel of turning cylinder, backrest fixed head and backrest steady pin are fixed on eccentric gear successively, Internal baffle, interior fluted disc and outer baffle are fixed with left plate successively, eccentric gear engages with interior fluted disc, eccentric gear and backrest fixed head can relatively rotate between Internal baffle and outer baffle.
Between interior fluted disc and outer baffle, be provided with the angle limiting plate being fixedly connected with, backrest fixed head matches with angle limiting plate, and backrest fixed head is subject to the spacing of the upper and lower two ends of angle limiting plate while rotation.
Described backrest rotating mechanism comprise backrest connecting pin and with the fixing fixed connecting plate of backrest connecting pin, fixed connecting plate is hinged on the right plate of seat body frame, backrest is fixed on backrest steady pin and backrest connecting pin.
The both sides of described seat body frame are provided with handrail.
Described backrest regulating mechanism is provided with left cover seat and left cover, and left cover seat is fixed on seat body frame, and left cover is fixed on backrest steady pin, and left cover can be rotated relative to left cover seat; Backrest rotating mechanism is provided with right cover seat and right cover, and right cover seat is fixed on seat body frame, and right cover is fixed on backrest connecting pin, and right cover can be rotated relative to right cover seat.
Described seat body frame is provided with expansion link, is fixed with flexible foot pad on expansion link.
Adopt after said structure, have the following advantages compared with the prior art or effect: the one, backrest regulating mechanism is simple and practical, backrest flip angle is large, can between 90 °-180 °, all can regulate arbitrarily, can recline and also can lie low, coordinate adjusting simple and convenient, steadily reliable by eccentric gear with interior fluted disc, mechanical strength is high, long service life.The 2nd, seat body frame arranges movably expansion link, is fixed with flexible foot pad on expansion link, more comfortable when making to recline or lying low rest, while use, can be accommodated in cushion below, does not affect normal use.
Brief description of the drawings
Fig. 1 is perspective view of the present utility model.
Fig. 2 is the utility model backrest regulating mechanism and rotating mechanism decomposition texture schematic diagram.
Wherein 1 backrest, 2 cushions, 3 handrails, 4 backrest regulating mechanisms, 5 knobs, 6 backrest rotating mechanisms, 7 elevating mechanisms, 8 foot rests, 9 flexible foots pad, 10 expansion links, 11 seat body frames, 12 left cover seats, 13 turning cylinders, 14 left plates, 15 Internal baffles, 16 eccentric gears, 17 interior fluted discs, 18 backrest fixed heads, 19 backrest steady pins, 20 angle limiting plates, 21 outer baffles, 22 left covers, 23 right covers, 24 backrest connecting pins, 25 right plates, 26 right cover seats.
Detailed description of the invention
Shown in Fig. 1 and Fig. 2, for the utility model backrest can 90 the specific embodiments of the office chair that regulates of degree, it comprises backrest 1, cushion 2, backrest regulating mechanism 4, backrest rotating mechanism 6, elevating mechanism 7, foot rest 8, seat body frame 11, elevating mechanism 7 is fixedly connected between seat body frame 11 and foot rest 8, and cushion 2 is fixed on seat body frame 11, the both sides of described seat body frame 11 are provided with handrail 3, can regulate height by elevating mechanism 7, but also can rotate, described backrest regulating mechanism 4 comprises knob 5, turning cylinder 13, Internal baffle 14, eccentric gear 16, interior fluted disc 17, backrest fixed head 18, backrest steady pin 19, outer baffle 21, turning cylinder 13 is arranged on the left plate 14 of seat body frame 11 rotationally, and eccentric gear 16 is fixed on the eccentric wheel of turning cylinder 13, and backrest fixed head 18 and backrest steady pin 19 are fixed on eccentric gear 16 successively, Internal baffle 15, interior fluted disc 17 and outer baffle 21 are fixing with left plate 14 successively, and eccentric gear 16 engages with interior fluted disc 17, and eccentric gear 16 and backrest fixed head 18 can relatively rotate between Internal baffle 15 and outer baffle 21.In order effectively to control backrest 1 adjusting angle that overturns, between interior fluted disc 17 and outer baffle 21, be provided with the angle limiting plate 20 being fixedly connected with, backrest fixed head 18 matches with angle limiting plate 20, backrest fixed head 18 is subject to angle limiting plate two ends spacing Shang Xia 20 while rotation, when backrest fixed head 18 is during with spacing contact the in angle limiting plate 20 upper ends, backrest 1 is in vertical position, when backrest fixed head 18 is during with spacing contact the in angle limiting plate 20 lower ends, backrest 1, in bed flat position, can be used as chaise longue and uses.Described backrest rotating mechanism 6 comprise backrest connecting pin 24 and with the fixing fixed connecting plate of backrest connecting pin 24, fixed connecting plate is hinged on the right plate 25 of seat body frame 11, backrest 1 is fixed on backrest steady pin 19 and backrest connecting pin 24.
In order to make product elegant in appearance, safe and reliable, described backrest regulating mechanism 4 is provided with left cover seat 12 and left cover 22, and left cover seat 12 is fixed on seat body frame 11, and left cover 22 is fixed on backrest steady pin 19, and left cover 22 can be rotated relative to left cover seat 12; Backrest rotating mechanism 6 is provided with right cover seat, and (26 and right cover 23, right cover seat 26 is fixed on seat body frame 11, and right cover 23 is fixed on backrest connecting pin 24, and right cover 23 can be rotated relative to right cover seat 26.
More comfortable when making to recline or lie low rest, described seat body frame 11 is provided with expansion link 10, is fixed with flexible foot pad 9 on expansion link 10.When use, flexible foot pad 9 pull-outs can be put pin; While use, the foot pad 9 that will stretch back into cushion below, does not affect the use of normal sitting position.
In the time that the utility model regulates backrest 1 to swing back angle, turning knob 5, knob 5 drives eccentric gear 16 to rotate by turning cylinder 13, and eccentric gear 16 drives backrest fixed head 17 and the backrest steady pin 18 fixing with it to rotate, thereby realizes backrest 1 angular adjustment; Due to eccentric gear 16 in rotating around interior fluted disc 17, so when stop operating knob 5, eccentric gear 16 and interior fluted disc 17 positive engagement, interior fluted disc 17 is fixing with left plate 14 by Internal baffle 15, guarantee backrest 1 angular adjustment is steadily reliable.
The above; just specific embodiment of the utility model, not makes any pro forma restriction to the utility model, is not departing from the technical solution of the utility model basis; simple modification, equivalent variations or the modification done, all fall into protection domain of the present utility model.
Claims (6)
- Backrest can 90 the office chair that regulates of degree, comprise backrest (1), cushion (2), backrest regulating mechanism (4), backrest rotating mechanism (6), elevating mechanism (7), foot rest (8), seat body frame (11), elevating mechanism (7) is fixedly connected between seat body frame (11) and foot rest (8), it is upper that cushion (2) is fixed on seat body frame (11), it is characterized in that: described backrest regulating mechanism (4) comprises knob (5), turning cylinder (13), Internal baffle (14), eccentric gear (16), interior fluted disc (17), backrest fixed head (18), backrest steady pin (19), outer baffle (21), turning cylinder (13) is arranged on the left plate (14) of seat body frame (11) rotationally, eccentric gear (16) is fixed on the eccentric wheel of turning cylinder (13), it is upper that backrest fixed head (18) and backrest steady pin (19) are fixed on eccentric gear (16) successively, Internal baffle (15), interior fluted disc (17) and outer baffle (21) are fixing with left plate (14) successively, eccentric gear (16) engages with interior fluted disc (17), and eccentric gear (16) and backrest fixed head (18) can relatively rotate between Internal baffle (15) and outer baffle (21).
- Backrest according to claim 1 can 90 the office chair that regulates of degree, it is characterized in that: between interior fluted disc (17) and outer baffle (21), be provided with the angle limiting plate (20) being fixedly connected with, backrest fixed head (18) matches with angle limiting plate (20), and backrest fixed head (18) is subject to the spacing of the upper and lower two ends of angle limiting plate (20) while rotation.
- Backrest according to claim 1 and 2 can 90 the office chair that regulates of degree, it is characterized in that: described backrest rotating mechanism (6) comprise backrest connecting pin (24) and with the fixing fixed connecting plate of backrest connecting pin (24), fixed connecting plate is hinged on the right plate (25) of seat body frame (11), and backrest (1) is fixed on backrest steady pin (19) and backrest connecting pin (24).
- Backrest according to claim 3 can 90 the office chair that regulates of degree, it is characterized in that: the both sides of described seat body frame (11) are provided with handrail (3).
- Backrest according to claim 4 can 90 the office chair that regulates of degree, it is characterized in that: described backrest regulating mechanism (4) is provided with left cover seat (12) and left cover (22), left cover seat (12) is fixed on seat body frame (11), it is upper that left cover (22) is fixed on backrest steady pin (19), and left cover (22) can be rotated relative to left cover seat (12); Backrest rotating mechanism (6) is provided with right cover seat (26) and right cover (23), right cover seat (26) is fixed on seat body frame (11), it is upper that right cover (23) is fixed on backrest connecting pin (24), and right cover (23) can be rotated relative to right cover seat (26).
- Backrest according to claim 4 can 90 the office chair that regulates of degree, it is characterized in that: described seat body frame (11) is provided with expansion link (10), is fixed with flexible foot pad (9) on expansion link (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420044412.0U CN203646820U (en) | 2014-01-24 | 2014-01-24 | Office chair with backrest capable of being adjusted at angle of 90 degrees |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420044412.0U CN203646820U (en) | 2014-01-24 | 2014-01-24 | Office chair with backrest capable of being adjusted at angle of 90 degrees |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203646820U true CN203646820U (en) | 2014-06-18 |
Family
ID=50913271
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420044412.0U Expired - Fee Related CN203646820U (en) | 2014-01-24 | 2014-01-24 | Office chair with backrest capable of being adjusted at angle of 90 degrees |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203646820U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107960769A (en) * | 2017-11-28 | 2018-04-27 | 彭思璇 | A kind of campus multifunctional chair |
| CN111700420A (en) * | 2020-06-24 | 2020-09-25 | 曾海龙 | Adjustable office chair |
-
2014
- 2014-01-24 CN CN201420044412.0U patent/CN203646820U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107960769A (en) * | 2017-11-28 | 2018-04-27 | 彭思璇 | A kind of campus multifunctional chair |
| CN111700420A (en) * | 2020-06-24 | 2020-09-25 | 曾海龙 | Adjustable office chair |
| CN111700420B (en) * | 2020-06-24 | 2023-08-11 | 浙江名江南家居有限公司 | Adjustable office chair |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20140618 Termination date: 20160124 |
|
| EXPY | Termination of patent right or utility model |