CN109171279A - Foot-operated flexible intelligent chair - Google Patents
Foot-operated flexible intelligent chair Download PDFInfo
- Publication number
- CN109171279A CN109171279A CN201811250848.4A CN201811250848A CN109171279A CN 109171279 A CN109171279 A CN 109171279A CN 201811250848 A CN201811250848 A CN 201811250848A CN 109171279 A CN109171279 A CN 109171279A
- Authority
- CN
- China
- Prior art keywords
- foot
- frame body
- grapple
- latch hook
- operated
- 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.)
- Pending
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Classifications
-
- 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
-
- 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
- A47C7/50—Supports for the feet or the legs coupled to fixed parts of the chair
-
- 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
- A47C7/50—Supports for the feet or the legs coupled to fixed parts of the chair
- A47C7/506—Supports for the feet or the legs coupled to fixed parts of the chair of adjustable type
Landscapes
- Special Chairs (AREA)
Abstract
The invention discloses the foot-operated flexible intelligent chairs of one kind.The foot-operated flexible intelligent chair includes frame body, the footstep mechanism and switching mechanism that are rotatably arranged on frame body, footstep mechanism includes the adjustable shelf being rotatably arranged on frame body, first crossbar is provided on adjustable shelf, switching mechanism includes regulation handle, bull stick, connecting rod, latch hook and grapple, regulation handle is rotatably provided on frame body and is fixedly connected with bull stick, one end of connecting rod and bull stick are hinged, the other end of connecting rod is slidably connected with latch hook, latch hook and grapple is rotatably arranged on frame body and latch hook and grapple mutually support.The present invention on frame body by being arranged switching mechanism, the regulation handle and latch hook and grapple being arranged on switching mechanism, make frame body in the extended state, first crossbar on frame body is hooked in latch hook, frame body is in contraction state, first crossbar on frame body is hooked in grapple, facilitates fixed footstep mechanism, reduces occupied area.
Description
Technical field
The present invention relates to chair technology fields, particularly, are related to a kind of foot-operated flexible intelligent chair.
Background technique
There are four stabilizer blades for conventional chair tool to fix chair, as comfort requirement is gradually increased in people, has
Foot-operated chair is liked by people, and when being sitting in people on chair with foot-operated chair, two feet are convenient for placing, still
Foot-operated setting uses inconvenience so that the occupied area of chair increases.
Summary of the invention
The technical problems to be solved by the present invention are: now providing one to overcome the above-mentioned problems in the prior art
The foot-operated flexible intelligent chair of kind.
The present invention solves its technical problem technical solution to be taken: the foot-operated flexible intelligent chair of one kind, described foot-operated
Flexible intelligent chair includes frame body, the footstep mechanism being rotatably arranged on frame body and setting in the frame body and described foot-operated
Switching mechanism between mechanism, the footstep mechanism include the adjustable shelf being rotatably arranged on the frame body, the activity
First crossbar is provided on frame, the switching mechanism includes the regulation handle being rotatably provided on the frame body and the tune
Grapple handle hinged latch hook and supported with the latch hook is saved, the latch hook and the grapple are rotatably arranged in institute
State on frame body, the grapple is hooked in the first crossbar, the regulation handle be able to drive the latch hook be rotated up into
And the grapple is driven to be rotated up, it is detached from the grapple and the first crossbar.
Further, telescoping mechanism is additionally provided between the frame body and the footstep mechanism, the telescoping mechanism includes
The sleeve being hinged on the frame body and the telescopic rod being arranged in the sleeve, the telescopic rod stretch out the sleeve
One end be hinged on the adjustable shelf.
Further, elastic component is provided between the telescopic rod and the bottom of the sleeve.
Further, it is provided with connection frame on the frame body, first rotating shaft and the second shaft are provided on the connection frame,
The latch hook is rotatably sleeved in the first rotating shaft, and the grapple is rotatably sleeved in second shaft.
Further, it is provided with torsional spring in the first rotating shaft and second shaft, be arranged in the first rotating shaft
On the torsional spring prevent the latch hook to be rotated up, the torsional spring being arranged in second shaft prevent the grapple to
Upper rotation.
Further, it is provided with connecting rod between the regulation handle and the latch hook, sliding slot, institute are provided on the connecting rod
State the slide bar for being provided with and capable of being slided on latch hook in the sliding slot.
Further, it is convexly equipped with the first link block at the top of the latch hook, is provided on the grapple and connects with described first
Connect the second link block that block supports.
Further, the adjustable shelf is bent to form bending frame far from one end of the frame body, the adjustable shelf with it is described
Accommodating chamber is formed between bending frame.
Further, the footstep mechanism further includes that riding on the adjustable shelf is arranged in, and described ride is hinged on institute
It states on bending frame, it is described foot-operated to be housed in the accommodating chamber when the foot-operated rotation around the bending frame.
Further, rotation axis is provided on the connection frame, the adjustable shelf is rotatably sleeved on the rotation axis
On.
The beneficial effects of the present invention are: foot-operated flexible intelligent chair provided by the invention, by the way that switching machine is arranged on frame body
Structure, the regulation handle being arranged on switching mechanism and the latch hook and grapple hinged with regulation handle, make frame body in the extended state,
First crossbar on frame body is hooked in latch hook, and in contraction state, the first crossbar on frame body is hooked in grapple frame body, side
Just footstep mechanism is fixed, it is compact-sized, reduce occupied area.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the stretching state diagram of foot-operated flexible intelligent chair of the invention；
Fig. 2 is the top view that flexible intelligent chair is ridden shown in Fig. 1；
Fig. 3 is another viewing angle constructions schematic diagram that flexible intelligent chair is ridden shown in Fig. 1；
Fig. 4 is the partial enlarged view ridden in flexible intelligent chair at A shown in Fig. 3；
Fig. 5 is the structural schematic diagram that the torsional spring in flexible intelligent chair is ridden shown in Fig. 4；
Fig. 6 is the another viewing angle constructions schematic diagram that flexible intelligent chair is ridden shown in Fig. 1；
Fig. 7 is the contraction state schematic diagram that flexible intelligent chair is ridden shown in Fig. 1；
Fig. 8 is the top view that flexible intelligent chair is ridden shown in Fig. 7.
In figure: 10, frame body, 11, seating pad, 111, support rod, 112, connection frame, 1121, first rotating shaft, 1122, second
Shaft, 113, rotation axis, 114, connector, 115, torsional spring, 1151, torsional spring ontology, the 1152, first support foot, the 1153, second support
Foot, 12, support frame, 13, movable pulley, 20, footstep mechanism, 21, adjustable shelf, 211, first crossbar, 212, second crossbar, 22, foot
It steps on, 221, link block, 23, bending frame, 24, accommodating chamber, 30, telescoping mechanism, 31, fixed link, 32, sleeve, 33, telescopic rod, 40,
Switching mechanism, 41, regulation handle, 42, bull stick, 43, connecting rod, 431, sliding slot, 44, latch hook, 441, slide bar, the 442, first connection
Block, 45, grapple, the 451, second link block.
Specific embodiment
Presently in connection with attached drawing, the present invention is described in detail.This figure is simplified schematic diagram, is only illustrated in a schematic way
Basic structure of the invention, therefore it only shows the composition relevant to the invention.
Fig. 1 and Fig. 2 are please referred to, the present invention provides the foot-operated flexible intelligent chairs of one kind, which includes frame
Body 10, the footstep mechanism 20 being rotatably arranged on frame body 10 and it is arranged in flexible between frame body 10 and footstep mechanism 20
Mechanism 30 and switching mechanism 40.
Frame body 10 includes seating pad 11 and the support frame 12 being arranged on seating pad 11, and seating pad 11 is horizontally disposed, cushion
One end of plate 11 bends downward to form support rod 111, in order to keep the center of gravity of frame body 10, between support rod 111 and seating pad 11
Angle be greater than 90 degree, support rod 111 is supported on level ground far from one end of seating pad 11.
The lower section of seating pad 11 is arranged in support frame 12, and one end of support frame 12 is supported on level ground, support frame 12
The other end be folded upward at and be connected on support rod 111, support frame 12 and support rod 111 are supported on level ground simultaneously,
To enhance the stability of strutting system between frame body 10 and ground.It is to be appreciated that support frame 12 can be with plate-like structure or length
Square ring structure, in present embodiment, in order to mitigate the weight of frame body 10, support frame 12 uses U-shaped structure.
In addition, for convenience with footstep mechanism intelligent health chair movement, support frame 12 close to ground one end and
Support rod 111 is provided with movable pulley 13 close to the one end on ground.
Footstep mechanism 20 includes adjustable shelf 21 and be arranged on adjustable shelf 21 foot-operated 22, and frame body 10 is far from support rod 111
One end be convexly equipped with connection frame 112, rotation axis 113 is provided on connection frame 112, one end of adjustable shelf 21 is rotatably sleeved on
In rotation axis 113, the other end of adjustable shelf 21 is bent to form bending frame 23, forms accommodating chamber between adjustable shelf 21 and bending frame 23
24.Foot-operated 22 bottom is convexly equipped with link block 221, and link block 221 is hinged on the one end of bending frame 23 far from adjustable shelf 21, when even
When connecing block 221 around the rotation of bending frame 23, foot-operated 22 are housed in accommodating chamber 24.It is to be appreciated that in other embodiment,
Connection frame 112 can also be integrally formed with frame body 10.
Fig. 2 and Fig. 6 are please referred to, first crossbar 211 and second crossbar 212 are provided on adjustable shelf 21, first crossbar 211
Both ends and the both ends of second crossbar 212 are both connected to the two sides of adjustable shelf 21.
Referring to Fig. 1, telescoping mechanism 30 is arranged below seating pad 11, telescoping mechanism 30 includes fixed link 31, is hinged on
Sleeve 32 in fixed link 31 and the telescopic rod 33 being arranged in sleeve 32.
One end of fixed link 31 is fixedly connected on the bottom of seating pad 11, and the other end of fixed link 31 inclines with respect to seating pad 11
It is arranged obliquely, one end of sleeve 32 is hinged on the one end of fixed link 31 far from seating pad 11, and the other end of sleeve 32 is provided with
Open end (not shown go out), telescopic rod 33 is protruded into sleeve 32 by the open end and is connect with the bottom of sleeve 32, flexible
One end that bar 33 stretches out sleeve 32 is hinged in second crossbar 212, is arranged between telescopic rod 33 and the bottom of sleeve 32 flexible
Part (not shown go out).
Fig. 1, Fig. 2, Fig. 7 and Fig. 8 are please referred to, firmly tramples foot-operated 22,22 is ridden to the direction movement far from frame body 10, stretches
Contracting bar 33 pulls the elastic component and moves in sleeve 32.When external force disappears, telescopic rod 33 is made in the recovery of the elastic component
With lower to foot-operated 22 movement of the mobile and drive close to the direction of frame body 10, after telescopic rod 33 is housed in sleeve 32, foot-operated
22 rotate around adjustable shelf 21 and are housed in accommodating chamber 24.
Please refer to Fig. 1, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, switching mechanism 40 include regulation handle 41, bull stick 42, connecting rod 43,
Latch hook 44 and grapple 45.
The bottom of seating pad 11 is convexly equipped with connector 114, and one end of regulation handle 41 is hinged on connector 114, adjusts
Handle 41 passes through connector 114 with the hinged one end of connector 114 and is fixedly connected with one end of bull stick 42.
First rotating shaft 1121 and the second shaft 1122 are provided on connection frame 112, latch hook 44 is rotatably sleeved on first
In shaft 1121, one end of latch hook 44 forms hook-shaped, and the other end of latch hook 44 is provided with slide bar 441, and connecting rod 43 is arranged in bull stick
Between 42 and latch hook 44, one end of connecting rod 43 is hinged on the one end of bull stick 42 far from regulation handle 41, and the other end of connecting rod 43 is set
It is equipped with sliding slot 431, slide bar 441 is slidably disposed in sliding slot 431, and the top of latch hook 44 is convexly equipped with the first link block 442.
Grapple 45 is rotatably sleeved in the second shaft 1122, is convexly equipped on grapple 45 corresponding with the first link block 442
The second link block 451, the first link block 442 can support on the second link block 451.
In addition, being provided with torsional spring 115 in first rotating shaft 1121 and the second shaft 1122, torsional spring 115 includes torsional spring ontology
1151, the first support foot 1152 among torsional spring ontology 1151 is set and second support foot at 1151 both ends of torsional spring ontology is set
1153.The first support foot 1152 that the torsional spring 115 in first rotating shaft 1121 is arranged in is arranged on latch hook 44, and the second support foot 1153 supports
It holds on connection frame 112, latch hook 44 is prevented to be rotated up, the first support foot of the torsional spring 115 in the second shaft 1122 is set
1152 are arranged on grapple 45, and the second support foot 1153 supports on connection frame 112, and grapple 45 is prevented to be rotated up.
Connecting rod 43 plays buffer function in switching mechanism 40, when avoiding regulation handle 41 that mild action occurs, will lead
Latch hook 44 and grapple 45 is caused to act.Specifically, regulation handle 41 is pressed or is promoted up to the cell wall of slide bar 441 and sliding slot 431
When offseting, it can be acted, be risen by further pressing or being promoted 41 action control latch hook 44 of regulation handle and grapple 45
Function of safety protection has been arrived, maloperation is avoided.
Illustrate the use process of foot-operated flexible intelligent chair of the invention with reference to the accompanying drawing.
When foot-operated 22 in retraction, the first crossbar 211 on adjustable shelf 21 is hooked on grapple 45, due to torsional spring 115
To the suppressing action of adjustable shelf 21, hook 45 can be prevented to be detached from easily with first crossbar 211.When user needs to stretch out foot-operated 22,
Regulation handle 41 is rotated down, regulation handle 41 drives bull stick 42 to upward deflect far from one end of regulation handle 41,42 band of bull stick
Dynamic connecting rod 43 is mobile to the direction far from frame body 10, slides slide bar 441 with respect to the sliding slot 431 on connecting rod 43, when slide bar 441 moves
It moves to when supporting with sliding slot 431 close to one end of frame body 10, continuing to push regulation handle 41, and then makes connecting rod 43 with moveable lock hook 44
It is rotated up around first rotating shaft 1121, the first link block 442 overcomes the elastic force of corresponding torsional spring 115 to be rotated up and pushes
Two link blocks 451, so that the second link block 451 be made to be rotated up, i.e., grapple 45 is rotated up, until grapple 45 and first crossbar
211 are mutually disengaged.At this point, firmly trampling foot-operated 22,22 are ridden to the direction movement far from frame body 10, telescopic rod 33 is in sleeve 32
It inside gradually stretches out, adjustable shelf 21 is mobile to the direction far from frame body 10, until first crossbar 211 is hooked in latch hook 44, rides
Mechanism 20 is in stretching state.
When needing foot-operated 22 to shrink, it is lifted up regulation handle 41, regulation handle 41 drives bull stick 42 to rotate down, and turns
The direction that bar 42 drives connecting rod 43 to close frame body 10 is mobile, when slide bar 441 is moved to one end with sliding slot 431 far from frame body 10
When offseting, and then continue to push regulation handle 41, be able to drive connecting rod 43 and rotate down, thus mutual with first crossbar 211
Separation, at this point, it is mobile to the direction of close frame body 10 under the reset response of the elastic component of the adjustable shelf 21 in sleeve 32, directly
It is hooked in grapple 45 to first crossbar 211, footstep mechanism 20 is in contraction state, then foot-operated 22 around 21 turns of adjustable shelf
It moves and is housed in accommodating chamber 24.
Foot-operated flexible intelligent chair of the invention is arranged on switching mechanism 40 by the way that switching mechanism 40 is arranged on frame body 10
Regulation handle 41 and the latch hook 44 and grapple 45 hinged with regulation handle 41, make frame body 10 in the extended state, frame body 10
On first crossbar 211 be hooked in latch hook 44, in contraction state, the first crossbar 211 on frame body 10 is hooked on frame body 10
In grapple 45, facilitate fixed footstep mechanism 20, it is compact-sized, it is easy to operate, it is suitable for promoting the use of.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff
Various changes and amendments can be carried out without departing from the scope of the present invention completely.The technical scope of this invention is not
The content being confined on specification, it is necessary to which the technical scope thereof is determined according to the scope of the claim.
Claims (10)
1. the foot-operated flexible intelligent chair of one kind, it is characterised in that: it includes frame body, is rotatably arranged in riding on the frame body
Mechanism and the switching mechanism being arranged between the frame body and the footstep mechanism, the footstep mechanism include rotationally setting
The adjustable shelf on the frame body is set, first crossbar is provided on the adjustable shelf, the switching mechanism includes regulation handle, turns
Bar, connecting rod, latch hook and grapple, the regulation handle are rotatably provided on the frame body and are fixedly connected with the bull stick,
One end of the connecting rod and the bull stick are hinged, and the other end of the connecting rod is slidably connected with the latch hook, the latch hook and institute
State that grapple is rotatably arranged on the frame body and the latch hook and the grapple mutually support, the grapple is hooked on institute
It states in first crossbar, presses the regulation handle, the latch hook is driven to be rotated up, the latch hook supports the grapple and then band
It moves the grapple to be rotated up, is detached from the grapple and the first crossbar, the adjustable shelf rotation hooks the latch hook
In the first crossbar.
2. foot-operated flexible intelligent chair as described in claim 1, it is characterised in that: connection frame is provided on the frame body, it is described
First rotating shaft and the second shaft are provided on connection frame, the latch hook is rotatably sleeved in the first rotating shaft, described to grab
Hook is rotatably sleeved in second shaft.
3. foot-operated flexible intelligent chair as claimed in claim 2, it is characterised in that: in the first rotating shaft and second shaft
It is provided with torsional spring, the torsional spring being arranged in the first rotating shaft supports the latch hook, is arranged in second shaft
The torsional spring support the grapple.
4. foot-operated flexible intelligent chair as described in claim 1, it is characterised in that: be provided with sliding slot, the lock on the connecting rod
The slide bar that can be slided in the sliding slot is provided on hook.
5. foot-operated flexible intelligent chair as described in claim 1, it is characterised in that: between the frame body and the footstep mechanism also
It is provided with telescoping mechanism, the telescoping mechanism includes the sleeve being hinged on the frame body and the institute that is arranged in the sleeve
Telescopic rod is stated, one end that the telescopic rod stretches out the sleeve is hinged on the adjustable shelf.
6. intelligent chair as claimed in claim 5 foot-operated flexible, it is characterised in that: the bottom of the telescopic rod and the sleeve it
Between be provided with elastic component.
7. foot-operated flexible intelligent chair as described in claim 1, it is characterised in that: be convexly equipped with the first connection at the top of the latch hook
Block is provided with the second link block supported with first link block on the grapple.
8. foot-operated flexible intelligent chair as described in claim 1, it is characterised in that: the one end of the adjustable shelf far from the frame body
It is bent to form bending frame, forms accommodating chamber between the adjustable shelf and the bending frame.
9. foot-operated flexible intelligent chair as claimed in claim 8, it is characterised in that: the footstep mechanism further includes being arranged described
It is foot-operated on adjustable shelf, it is described it is foot-operated be hinged on the bending frame, when the foot-operated rotation around the bending frame, the foot
It steps on and is housed in the accommodating chamber.
10. foot-operated flexible intelligent chair as claimed in claim 2, it is characterised in that: be provided with rotation axis, institute on the connection frame
Adjustable shelf is stated to be rotatably sleeved in the rotation axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811250848.4A CN109171279A (en) | 2018-10-25 | 2018-10-25 | Foot-operated flexible intelligent chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811250848.4A CN109171279A (en) | 2018-10-25 | 2018-10-25 | Foot-operated flexible intelligent chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109171279A true CN109171279A (en) | 2019-01-11 |
Family
ID=64943564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811250848.4A Pending CN109171279A (en) | 2018-10-25 | 2018-10-25 | Foot-operated flexible intelligent chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109171279A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3334995A1 (en) * | 1983-09-28 | 1985-04-18 | Stanzwerk Peitz & Co, 5802 Wetter | Adjustable chair |
| CN1806720A (en) * | 2005-01-19 | 2006-07-26 | 爱信精机株式会社 | Ottoman device |
| CN102935281A (en) * | 2012-11-29 | 2013-02-20 | 浙江纺织服装职业技术学院 | Multifunctional fitness chair |
| CN203244516U (en) * | 2013-03-29 | 2013-10-23 | 广东康柏力电子科技有限公司 | Electric folding bed chair |
| CN107139782A (en) * | 2017-05-27 | 2017-09-08 | 长春富维安道拓汽车饰件系统有限公司 | A kind of selection handle mechanism with self-locking and reset function |
| CN107467933A (en) * | 2017-09-21 | 2017-12-15 | 浙江好习惯科技有限公司 | A kind of seat rate pressure acquisition module and Intelligent seat |
| CN207323123U (en) * | 2017-04-24 | 2018-05-08 | 浙江陀曼精密机械有限公司 | A kind of intelligent health chair Foldable foot leans on mechanism |
| CN209377131U (en) * | 2018-10-25 | 2019-09-13 | 浙江好习惯科技有限公司 | Foot-operated flexible intelligent chair |
-
2018
- 2018-10-25 CN CN201811250848.4A patent/CN109171279A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3334995A1 (en) * | 1983-09-28 | 1985-04-18 | Stanzwerk Peitz & Co, 5802 Wetter | Adjustable chair |
| CN1806720A (en) * | 2005-01-19 | 2006-07-26 | 爱信精机株式会社 | Ottoman device |
| CN102935281A (en) * | 2012-11-29 | 2013-02-20 | 浙江纺织服装职业技术学院 | Multifunctional fitness chair |
| CN203244516U (en) * | 2013-03-29 | 2013-10-23 | 广东康柏力电子科技有限公司 | Electric folding bed chair |
| CN207323123U (en) * | 2017-04-24 | 2018-05-08 | 浙江陀曼精密机械有限公司 | A kind of intelligent health chair Foldable foot leans on mechanism |
| CN107139782A (en) * | 2017-05-27 | 2017-09-08 | 长春富维安道拓汽车饰件系统有限公司 | A kind of selection handle mechanism with self-locking and reset function |
| CN107467933A (en) * | 2017-09-21 | 2017-12-15 | 浙江好习惯科技有限公司 | A kind of seat rate pressure acquisition module and Intelligent seat |
| CN209377131U (en) * | 2018-10-25 | 2019-09-13 | 浙江好习惯科技有限公司 | Foot-operated flexible intelligent chair |
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