CN109717652A - A kind of cushion tilt adjustable section office seating structure - Google Patents

A kind of cushion tilt adjustable section office seating structure Download PDF

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Publication number
CN109717652A
CN109717652A CN201910179576.1A CN201910179576A CN109717652A CN 109717652 A CN109717652 A CN 109717652A CN 201910179576 A CN201910179576 A CN 201910179576A CN 109717652 A CN109717652 A CN 109717652A
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CN
China
Prior art keywords
cushion
component
lower component
support column
adjustable section
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Granted
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CN201910179576.1A
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Chinese (zh)
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CN109717652B (en
Inventor
肖洁
鲁雷
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College Of Technology Hubei Engineering University
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College Of Technology Hubei Engineering University
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Priority to CN201910179576.1A priority Critical patent/CN109717652B/en
Publication of CN109717652A publication Critical patent/CN109717652A/en
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Publication of CN109717652B publication Critical patent/CN109717652B/en
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Abstract

The present invention provides a kind of cushion tilt adjustable section office seating structure applied to mechanical the technical field of the seat, the upper module back (7) of component (5) is connected with lower component rear portion (8) hinges of cushion lower component (6) on the cushion of the Chain cushion (1) of the cushion tilt adjustable section office seating structure, the cylinder body (10) of the telescopic cylinder (9) of lower component rear portion (8) upper surface is connect with cylinder mounting base (11) hinges on lower component rear portion (8) upper surface, regulating member (12) is cylindrical shape structure, regulating member (12) side is fixedly connected with telescopic rod (13) front end of telescopic cylinder (9), cushion tilt adjustable section office seating structure of the present invention, it being capable of convenient and efficient adjusting cushion tilt angle, cushion frequent progress is inclined Rake angle adjusting is not easy seat damage problem occur, and frequency of maintenance is effectively reduced, improves service life, meets people's health and comfort requirement.

Description

A kind of cushion tilt adjustable section office seating structure
Technical field
The invention belongs to mechanical the technical field of the seat, are to be related to a kind of cushion tilt adjustable section more specifically Office seating structure.
Background technique
Office seating is a kind of currently used extensive office appliance.Since problems faced of currently handling official business is, when office Between it is long, lead to physical fatigue, and requirement of the people to health and comfort is also continuously improved.Therefore, there have been backrests Tilt angle and cushion tilt angle can be with the office seatings of angular adjustment.But backrest inclination angle in the prior art and Cushion tilt angle can be with the office seating of angular adjustment or structure is complicated or is easy for damaging after a period of use, Service life is low.Especially latter problem seriously affects people's demand.
Summary of the invention
The technical problems to be solved by the present invention are: can facilitate in view of the shortcomings of the prior art, to provide a kind of structure simple It is quick to adjust cushion tilt angle, and the adjusting of cushion frequent progress tilt angle is not easy seat damage problem occur, effectively Frequency of maintenance is reduced, is improved service life, the cushion tilt adjustable section office of people's health and comfort requirement is met Armchair structure.
Solve the problems, such as techniques discussed above, the technical scheme adopted by the invention is as follows:
The present invention is a kind of cushion tilt adjustable section office seating structure, and the cushion tilt adjustable section is done Public armchair structure includes Chain cushion, and the Chain cushion lower surface is connect with seat base, and the setting of seat base bottom is more Backrest is arranged in a movable pulley, Chain cushion rear portion, and Chain cushion includes component and cushion lower component on cushion, group on cushion The upper module back of part is connected with the lower component rear living hinge of cushion lower component, and lower component rear upper surface activity installation is stretched Contracting cylinder, the cylinder body of telescopic cylinder are connect with the cylinder mounting base hinges in lower component rear upper surface, adjustment portion Part is cylindrical shape structure, and regulating member side is fixedly connected with the telescopic rod front end of telescopic cylinder, and regulating member is installed in seat Position between component and cushion lower component on pad, regulating member upside are fitted in component lower surface on cushion, regulating member downside It is fitted in cushion lower component upper surface, the telescopic cylinder control unit flexible with that can control telescopic cylinder is connect, group on cushion The upper forward portion of part is connected with the lower component front of cushion lower component by limit spring.
The seat base includes pedestal support column, pedestal movable stand, installs multiple movable pulleys, seat on pedestal movable stand The cylindric spacing collar of the cushion lower component lower surface installation of cushion, pedestal upper end of support column are sleeved in spacing collar, pedestal Multiple pit parts are arranged in upper end of support column end face, and a ball is placed in activity in each pit part, act against cushion on the upside of ball Lower component lower surface, is arranged bearing between spacing collar and pedestal support column, backrest lower end is connect with upper module back.
The pedestal support column includes support column ontology and extending column, and extending column is arranged at support column ontology upper end end Face, the support column ontology and extending column of pedestal support column are an integral structure, and multiple pit parts are arranged in extending column upper end end face, often A ball is placed in activity in a pit part, acts against cushion lower component lower surface on the upside of ball.
The support column ontology of the pedestal support column and extending column engaging portion form boss portion, and bearing movable set is prolonging It stretches on column, when bearing holder (housing, cover) is mounted in extending column, bearing lower end surface is resisted against in the boss face of boss portion, and bearing outer ring is fitted in limit Enclose medial surface.
The pedestal movable stand includes movable stand ontology and branch bar, this body side surface of movable stand is along this body side surface of movable stand The multiple branch bars by isogonism gap arrangement of setting in one week, each branch bar are disposed as the arcuate structure bent downward, each Branch bar lower end is installed by one movable pulley.
Setting one armrest part in inverted T-shaped structure on the left of component, Chain cushion on the cushion of the Chain cushion Cushion on the right side of component setting one be in inverted T-shaped structure armrest part.
Using technical solution of the present invention, can obtain it is below the utility model has the advantages that
Cushion tilt adjustable section office seating structure of the present invention, due to upper module back and lower component rear portion Hinges connection, closes up in this way, can open between component and cushion lower component on cushion, realizes change in location.And cushion Lower component is connect with seat base, is in horizontality, and position is fixed, and change of pitch angle problem is not present.When needing to adjust cushion When tilt angle, operator presses the regulation button on control unit, when need Chain cushion layback (i.e. from anterior posterior height Spend same state and be anteriorly highly higher than rearward height state change) when, the telescopic rod of telescopic cylinder is controlled by control unit It shrinking, telescopic rod, which is shunk, drives regulating member mobile to close cylinder body direction, at this moment, regulating member force group on cushion Between part and cushion lower component, so that component and cushion lower component are opened on cushion, and since cushion lower component will not change position It sets and angle, and upper module back is connected with lower component rear living hinge, in this way, forward portion on cushion just can only occur It is lifted up, so that component realizes layback on cushion, completes Chain cushion layback and adjust.And seat seat is needed to lean forward (i.e. in the past Portion's height is higher than rearward height state, and anteriorly rearward height same state changes) when, telescopic cylinder is controlled by control unit Telescopic rod stretch out, telescopic rod, which stretches out, drives regulating member to mobile far from cylinder body direction, at this moment, regulating member position Variation, so that component and cushion lower component are closed up on cushion, forward portion is close to cushion lower component rear portion on cushion, and due to Cushion lower component will not change position and angle, and upper module back is connected with lower component rear living hinge, in this way, just only Forward portion on cushion can occur to move down, so that component realization is leaned forward on cushion, complete Chain cushion and lean forward adjusting.And it limits The setting of position spring, so that the limit spring moment applies pulling force in upper forward portion position, in this way, component is in the tune that leans forward on cushion In section and layback adjustment process, the constraint that component all can be subject to downward force on cushion, without departing from the company with cushion lower component It connects, in this way, the state after enabling cushion to adjust reliably is kept, meets seat comfort requirement calmly.Importantly, this The structure of invention, even if frequently adjusting, associated components will not be damaged easily, effectively avoid office seat in the prior art The problem of chair regulatory function is easily damaged.In this way, seat cost is effectively reduced, ease of use is improved.Seat of the present invention Pad tilt adjustable section office seating structure, structure is simple, can convenient and efficient adjusting cushion tilt angle, cushion frequently into Line tilt angular adjustment is not easy seat damage problem occur, and frequency of maintenance is effectively reduced, improves service life, meets people's Health and comfort requirement.
Detailed description of the invention
Brief description is made to content expressed by each attached drawing of this specification and the label in figure below:
Fig. 1 is the structural schematic diagram of cushion tilt adjustable section office seating structure of the present invention;
Attached drawing acceptance of the bid note is respectively as follows: 1, Chain cushion;2, seat base;3, movable pulley;4, backrest;5, group on cushion Part;6, cushion lower component;7, upper module back;8, lower component rear portion;9, telescopic cylinder;10, cylinder body;11, cylinder is installed Seat;12, regulating member;13, telescopic rod;14, control unit;15, pedestal support column;16, pedestal movable stand;17, spacing collar; 18, pit part;19, ball;20, bearing;21, support column ontology;22, extending column;23, boss portion;24, movable stand ontology;25, Branch bar;26, armrest part;27, upper forward portion;28, lower component front;29, limit spring.
Specific embodiment
Below against attached drawing, by the description of the embodiment, to for example related each structure of a specific embodiment of the invention The works such as the shape of part, construction, the mutual alignment between each section and connection relationship, the effect of each section and working principle are further Detailed description:
As shown in Fig. 1, the present invention is a kind of cushion tilt adjustable section office seating structure, the cushion inclination Angle adjustable office seating structure includes Chain cushion 1, and 1 lower surface of Chain cushion is connect with seat base 2, seat Multiple movable pulleys 3 are arranged in 2 bottom of pedestal, and backrest 4 is arranged in 1 rear portion of Chain cushion, and Chain cushion 1 includes component 5 on cushion With cushion lower component 6, the upper module back 7 of component 5 is connected with 8 hinges of lower component rear portion of cushion lower component 6 on cushion, Telescopic cylinder 9 is installed in the 8 upper surface activity of lower component rear portion, on the cylinder body 10 of telescopic cylinder 9 and 8 upper surface of lower component rear portion The connection of 11 hinges of cylinder mounting base, regulating member 12 is cylindrical shape structure, 12 side of regulating member and telescopic cylinder 9 13 front end of telescopic rod be fixedly connected, regulating member 12 is installed on cushion position between component 5 and cushion lower component 6, adjust It is fitted in 5 lower surface of component on cushion on the upside of component 12,6 upper surface of cushion lower component is fitted on the downside of regulating member 12, stretches The control unit 14 flexible with that can control telescopic cylinder 9 of cylinder 9 is connect, the upper forward portion 27 and cushion of component 5 on cushion The lower component front 28 of lower component 6 is connected by limit spring 29.Above structure, due to upper module back 7 and lower component rear portion 8 Hinges connection, closes up in this way, can open between component 5 and cushion lower component 6 on cushion, realizes change in location.And it sits Pad lower component is connect with seat base 2, is in horizontality, and position is fixed, and change of pitch angle problem is not present.It is sat when needing to adjust Pad tilt angle when, operator presses the regulation button on control unit, when need Chain cushion layback (i.e. from anterior posterior Height same state is anteriorly highly higher than rearward height state change) when, the flexible of telescopic cylinder is controlled by control unit Bar is shunk, and telescopic rod, which is shunk, drives regulating member to close to the movement of cylinder body direction, and at this moment, regulating member exerts a force on cushion Between component and cushion lower component, so that component and cushion lower component are opened on cushion, and since cushion lower component will not change Position and angle, and upper module back 7 is connected with 8 hinges of lower component rear portion, in this way, component on cushion just can only occur Front is lifted up, so that component realizes layback on cushion, is completed Chain cushion layback and is adjusted.And seat seat is needed to lean forward (i.e. Being higher than rearward height state from front height, anteriorly rearward height same state changes) when, it is controlled by control unit flexible The telescopic rod of cylinder stretches out, and telescopic rod, which stretches out, drives regulating member to far from the movement of cylinder body direction, at this moment, regulating member position The variation set, so that component and cushion lower component are closed up on cushion, forward portion is close to cushion lower component rear portion on cushion, and Since cushion lower component will not change position and angle, and upper module back 7 is connected with 8 hinges of lower component rear portion, this Sample just only can occur forward portion on cushion and move down, so that component realization is leaned forward on cushion, complete Chain cushion and lean forward tune Section.And the setting of limit spring, so that the limit spring moment applies pulling force in upper forward portion position, in this way, component on cushion Lean forward adjusting and layback adjustment process in, the constraint that component all can be subject to downward force on cushion, without departing from under cushion The connection of component meets calmly seat comfort requirement in this way, the state after enabling cushion to adjust reliably is kept.It is heavier It wants, structure of the invention, even if frequently adjusting, associated components will not be damaged easily, effectively avoid the prior art In office seating regulatory function the problem of being easily damaged.In this way, seat cost is effectively reduced, ease of use is improved.This hair The bright cushion tilt adjustable section office seating structure, structure is simple, can convenient and efficient adjusting cushion tilt angle, And the adjusting of cushion frequent progress tilt angle is not easy seat damage problem occur, and frequency of maintenance is effectively reduced, improves and uses Service life meets people's health and comfort requirement.In cushion tilt adjustable section office seating structure of the invention, control Component and extensible member are all mature technologies in the prior art, as long as can be realized flexible extensible member can directly answer With.As long as and can control the flexible control unit of extensible member can directly apply.
The seat base 2 includes pedestal support column 15, pedestal movable stand 16, installs multiple shiftings on pedestal movable stand 16 Driving wheel 3, the cylindric spacing collar 17 of 6 lower surface of the cushion lower component installation of Chain cushion 1,15 upper end of pedestal support column is sleeved on In spacing collar 17, multiple pit parts 18 are arranged in 15 upper end end face of pedestal support column, and a rolling is placed in activity in each pit part 18 Pearl 19 acts against 6 lower surface of cushion lower component on the upside of ball 19, and bearing 20 is arranged between spacing collar 17 and pedestal support column 15, 4 lower end of backrest is connect with upper module back 7.Above structure can be realized seat on the ground random by movable pulley It is mobile.And spacing collar and the cooperation of pedestal support column, realize the two connection and limit.Moreover, Chain cushion can be relative to pedestal Support column rotation.And the cooperation of pit part and ball, realize support of the pedestal support column to the vertical direction of cushion seat bottom, And the two is contacted by ball, is rotated frequently in Chain cushion or when load-bearing, be can be effectively reduced friction, reduces and wear, mention High life.Closure member is set between 5 front of component and vehicle side and 6 front of cushion lower component and side on cushion, closure member is The plastic material of pleated structure is made, in this way, it is outer to avoid the component on cushion between component and cushion lower component from being exposed to, plays Closing and buffer action.
The pedestal support column 15 includes support column ontology 21 and extending column 22, and extending column 22 is arranged in support column ontology 21 upper ends end face, the support column ontology 21 and extending column 22 of pedestal support column 15 are an integral structure, 22 upper end end face of extending column Multiple pit parts 18 are set, and a ball 19 is placed in activity in each pit part 18, acts against cushion lower component 6 on the upside of ball 19 Lower surface.The support column ontology 21 of the pedestal support column 15 and 22 engaging portion of extending column form boss portion 23, and bearing 20 is living Dynamic to be sleeved on extending column 22, when bearing 20 is sleeved on extending column 22,20 lower end surface of bearing is resisted against the boss face of boss portion 23 On, 20 outer ring of bearing is fitted in 17 medial surface of spacing collar.Above structure, by being arranged bearing on extension, bearing lower end It face can be to realize the limit of vertical direction in supporting table boss face, it is ensured that bearing reliable arrangement is on the inside of extending column and spacing collar Between face, it is ensured that the two is flexibly connected.
The pedestal movable stand 16 includes movable stand ontology 24 and branch bar 25, and 24 side of movable stand ontology is along movable stand The multiple branch bars 25 by isogonism gap arrangement of the setting of 24 side of ontology one week, what each branch bar 25 was disposed as bending downward A movable pulley 3 is installed in arcuate structure, each 25 lower end of branch bar.Above structure, branch bar are arranged three or more, realize the bottom of to The gentle support of seat movable stand, when using seat convenient for user, seat will not topple over.
One armrest part 26 in inverted T-shaped structure, seat are set on the left of component 5 on the cushion of the Chain cushion 1 One armrest part 26 in inverted T-shaped structure is set on the right side of component 5 on the cushion of cushion 1.Above structure, armrest part are easy to use Person's support, improves convenience.
Using technical solution of the present invention, can obtain it is below the utility model has the advantages that
Cushion tilt adjustable section office seating structure of the present invention, due to upper module back and lower component rear portion Hinges connection, closes up in this way, can open between component and cushion lower component on cushion, realizes change in location.And cushion Lower component is connect with seat base, is in horizontality, and position is fixed, and change of pitch angle problem is not present.When needing to adjust cushion When tilt angle, operator presses the regulation button on control unit, when need Chain cushion layback (i.e. from anterior posterior height Spend same state and be anteriorly highly higher than rearward height state change) when, the telescopic rod of telescopic cylinder is controlled by control unit It shrinking, telescopic rod, which is shunk, drives regulating member mobile to close cylinder body direction, at this moment, regulating member force group on cushion Between part and cushion lower component, so that component and cushion lower component are opened on cushion, and since cushion lower component will not change position It sets and angle, and upper module back is connected with lower component rear living hinge, in this way, forward portion on cushion just can only occur It is lifted up, so that component realizes layback on cushion, completes Chain cushion layback and adjust.And seat seat is needed to lean forward (i.e. in the past Portion's height is higher than rearward height state, and anteriorly rearward height same state changes) when, telescopic cylinder is controlled by control unit Telescopic rod stretch out, telescopic rod, which stretches out, drives regulating member to mobile far from cylinder body direction, at this moment, regulating member position Variation, so that component and cushion lower component are closed up on cushion, forward portion is close to cushion lower component rear portion on cushion, and due to Cushion lower component will not change position and angle, and upper module back is connected with lower component rear living hinge, in this way, just only Forward portion on cushion can occur to move down, so that component realization is leaned forward on cushion, complete Chain cushion and lean forward adjusting.And it limits The setting of position spring, so that the limit spring moment applies pulling force in upper forward portion position, in this way, component is in the tune that leans forward on cushion In section and layback adjustment process, the constraint that component all can be subject to downward force on cushion, without departing from the company with cushion lower component It connects, in this way, the state after enabling cushion to adjust reliably is kept, meets seat comfort requirement calmly.Importantly, this The structure of invention, even if frequently adjusting, associated components will not be damaged easily, effectively avoid office seat in the prior art The problem of chair regulatory function is easily damaged.In this way, seat cost is effectively reduced, ease of use is improved.Seat of the present invention Pad tilt adjustable section office seating structure, structure is simple, can convenient and efficient adjusting cushion tilt angle, cushion frequently into Line tilt angular adjustment is not easy seat damage problem occur, and frequency of maintenance is effectively reduced, improves service life, meets people's Health and comfort requirement.
Above in conjunction with attached drawing, an exemplary description of the invention, it is clear that concrete implementation of the present invention is not by above-mentioned The limitation of mode, as long as using the various improvement that the inventive concept and technical scheme of the present invention carry out, or not improved by this The conception and technical scheme of invention directly apply to other occasions, are within the scope of the invention.

Claims (6)

1. a kind of cushion tilt adjustable section office seating structure, it is characterised in that: the cushion tilt adjustable section Office seating structure includes Chain cushion (1), and the Chain cushion (1) lower surface is connect with seat base (2), seat base (2) multiple movable pulleys (3) are arranged in bottom, and backrest (4) are arranged in Chain cushion (1) rear portion, and Chain cushion (1) includes on cushion Component (5) and cushion lower component (6), on cushion after the upper module back (7) of component (5) and the lower component of cushion lower component (6) Telescopic cylinder (9) are installed in the connection of portion's (8) hinges, lower component rear portion (8) upper surface activity, the cylinder sheet of telescopic cylinder (9) Body (10) is connect with cylinder mounting base (11) hinges on lower component rear portion (8) upper surface, and regulating member (12) is cylinder Body shape structure, regulating member (12) side are fixedly connected with telescopic rod (13) front end of telescopic cylinder (9), regulating member (12) folder The position between component on cushion (5) and cushion lower component (6), regulating member (12) upside are fitted in component on cushion (5) Lower surface, is fitted in cushion lower component (6) upper surface on the downside of regulating member (12), telescopic cylinder (9) and can control flexible gas The flexible control unit (14) of cylinder (9) connects, on cushion under the upper forward portion (27) and cushion lower component (6) of component (5) Forward portion (28) is connected by limit spring (29).
2. cushion tilt adjustable section office seating structure according to claim 1, it is characterised in that: the seat Pedestal (2) includes pedestal support column (15), pedestal movable stand (16), installs multiple movable pulleys (3), seat on pedestal movable stand (16) The cylindric spacing collar (17) of cushion lower component (6) the lower surface installation of cushion (1), pedestal support column (15) upper end is sleeved on In spacing collar (17), multiple pit parts (18) are arranged in pedestal support column (15) upper end end face, and the interior activity of each pit part (18) is put A ball (19) is set, acts against cushion lower component (6) lower surface, spacing collar (17) and pedestal support column on the upside of ball (19) (15) bearing (20) are set between, backrest (4) lower end is connect with upper module back (7).
3. cushion tilt adjustable section office seating structure according to claim 2, it is characterised in that: the pedestal Support column (15) includes support column ontology (21) and extending column (22), and extending column (22) is arranged at support column ontology (21) upper end end Face, the support column ontology (21) and extending column (22) of pedestal support column (15) are an integral structure, extending column (22) upper end end face It is arranged multiple pit parts (18), a ball (19) is placed in activity in each pit part (18), acts against seat on the upside of ball (19) Pad lower component (6) lower surface.
4. cushion tilt adjustable section office seating structure according to claim 2 or 3, it is characterised in that: described The support column ontology (21) of pedestal support column (15) and extending column (22) engaging portion form boss portion (23), bearing (20) movable sleeve On extending column (22), when bearing (20) is sleeved on extending column (22), bearing (20) lower end surface is resisted against boss portion (23) In boss face, bearing (20) outer ring is fitted in spacing collar (17) medial surface.
5. cushion tilt adjustable section office seating structure according to claim 1 or 2, it is characterised in that: described Pedestal movable stand (16) includes movable stand ontology (24) and branch bar (25), and movable stand ontology (24) side is along movable stand ontology (24) the multiple branch bars (25) by isogonism gap arrangement of side setting in one week, each branch bar (25) are disposed as bending downward Arcuate structure, a movable pulley (3) is installed in each branch bar (25) lower end.
6. cushion tilt adjustable section office seating structure according to claim 1 or 2, it is characterised in that: described Setting one armrest part (26) in inverted T-shaped structure on the left of component (5) on the cushion of Chain cushion (1), Chain cushion (1) Setting one armrest part (26) in inverted T-shaped structure on the right side of component (5) on cushion.
CN201910179576.1A 2019-03-11 2019-03-11 Office chair structure with adjustable cushion inclination angle Active CN109717652B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910179576.1A CN109717652B (en) 2019-03-11 2019-03-11 Office chair structure with adjustable cushion inclination angle

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Application Number Priority Date Filing Date Title
CN201910179576.1A CN109717652B (en) 2019-03-11 2019-03-11 Office chair structure with adjustable cushion inclination angle

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CN109717652B CN109717652B (en) 2023-11-14

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111887636A (en) * 2020-06-01 2020-11-06 安徽钜将家具制造有限公司 Adjustable seat
CN113475886A (en) * 2021-08-25 2021-10-08 南通市久正人体工学股份有限公司 Seat forward-leaning air spring mounting structure and air spring model selection method
CN113952043A (en) * 2021-11-19 2022-01-21 康辉医疗科技(苏州)有限公司 Seat adjusting structure of doctor seat

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980045357A (en) * 1996-12-10 1998-09-15 김영귀 Automotive seats with seat cushion height adjustment
JP2004147670A (en) * 2002-10-28 2004-05-27 Delta Tooling Co Ltd Mechanism for adjusting angle of inclination of cushion of seat
CN107713452A (en) * 2017-10-10 2018-02-23 当阳星畅万机械科技有限公司 A kind of anti-down height-adjustable office chair
CN213429211U (en) * 2019-03-11 2021-06-15 湖北工程学院新技术学院 Office chair structure with adjustable cushion inclination angle

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR19980045357A (en) * 1996-12-10 1998-09-15 김영귀 Automotive seats with seat cushion height adjustment
JP2004147670A (en) * 2002-10-28 2004-05-27 Delta Tooling Co Ltd Mechanism for adjusting angle of inclination of cushion of seat
CN107713452A (en) * 2017-10-10 2018-02-23 当阳星畅万机械科技有限公司 A kind of anti-down height-adjustable office chair
CN213429211U (en) * 2019-03-11 2021-06-15 湖北工程学院新技术学院 Office chair structure with adjustable cushion inclination angle

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111887636A (en) * 2020-06-01 2020-11-06 安徽钜将家具制造有限公司 Adjustable seat
CN111887636B (en) * 2020-06-01 2024-05-28 安徽钜将家具制造有限公司 Adjustable seat
CN113475886A (en) * 2021-08-25 2021-10-08 南通市久正人体工学股份有限公司 Seat forward-leaning air spring mounting structure and air spring model selection method
CN113952043A (en) * 2021-11-19 2022-01-21 康辉医疗科技(苏州)有限公司 Seat adjusting structure of doctor seat

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