CN109730480A - A kind of chair of adjustment sitting posture - Google Patents
A kind of chair of adjustment sitting posture Download PDFInfo
- Publication number
- CN109730480A CN109730480A CN201910010347.7A CN201910010347A CN109730480A CN 109730480 A CN109730480 A CN 109730480A CN 201910010347 A CN201910010347 A CN 201910010347A CN 109730480 A CN109730480 A CN 109730480A
- Authority
- CN
- China
- Prior art keywords
- pressure
- chair
- liquid capsule
- liquid
- leg
- 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.)
- Granted
Links
Landscapes
- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
- Mattresses And Other Support Structures For Chairs And Beds (AREA)
Abstract
The present invention relates to office chairs, disclose a kind of chair of adjustment sitting posture, including chair plate, chair leg, handrail and backrest, multiple flexible liquid capsules are provided on backrest, chair plate and handrail, pressure sensor is crimped between liquid capsule and chair, it is connected between liquid capsule by one-way pump, pressure sensor and the equal signal of one-way pump are connected with controller;Controller receives the pressure signal of pressure sensor, sends control signal to one-way pump;Position of the liquid capsule far from chair leg is thick wall portion, and liquid capsule is thinner wall section close to the position of chair leg;In real time after the intracapsular pressure of uniform multiple adjacent liquids, multiple liquid bag pressure power are gradually reduced controller along the direction far from chair legs;After user, which reclines, to be write on chair, liquid intraluminal pressure is greater than leg liquid intraluminal pressure under thigh, it allows controller to adjust the pressure that the intracapsular pressure of adjacent liquid keeps liquid intracapsular at this time to be gradually reduced along the direction far from chair leg, realizes the sitting posture for correcting user, make user more comfortable.
Description
Technical field
The present invention relates to office chairs, more specifically, it relates to a kind of chair of adjustment sitting posture.
Background technique
With the competition in market and the development of society, household industry also improves constantly, wherein office chair also produces
Many continuous styles, such as the office chair that the office chair with backrest, backrest are bent.But in view of people for a long time in computer
The situation of preceding work, people not merely rest on the pursuit to aesthetics, and the requirement to its comfort level is also higher and higher.
Traditional office chair includes chair plate, chair leg, handrail and backrest, and chair leg is fixed on the lower end of chair plate, and handrail is fixed
In the side of chair plate, backrest is fixed on the upper end of chair plate.
But user is sitting on chair plate when handling official business, under the action of upper body trunk gravity, body can be along the surface of backrest
Run-off the straight vertically downwards, lumbar flexion amplitude become larger, and body keeps appearance of reclining in posture of reclining, user for a long time
After gesture, tired degree and the damage degree of body can be increased considerably.
Summary of the invention
Problem in view of the prior art, the present invention provide a kind of chair of adjustment sitting posture, use with adjust automatically
Family sitting posture, allows the advantage that user is more comfortable.
To achieve the above object, the present invention provides the following technical scheme that
A kind of chair of adjustment sitting posture, including chair plate, chair leg, handrail and backrest, the backrest, the chair plate and institute
It states and is provided with multiple soft and flexible liquid capsule on handrail, crimped between the position that the liquid capsule is contacted with chair
There is pressure sensor, is connected between the adjacent liquid capsule by one-way pump, the pressure sensor is believed with the one-way pump
Number it is connected with controller;
The controller is used to receive the pressure signal that the pressure sensor issues, and sends control signal control to one-way pump
The state of a control of one-way pump processed, wherein the one-way pump has three kinds of pressurization, cut-off and conducting states;
Position of the liquid capsule far from leg is thick wall portion, and the liquid capsule is thin-walled close to the position of leg
Portion, the wall thickness dimension of the thick wall portion are greater than the wall thickness dimension of the thinner wall section;
The controller is in real time after the intracapsular pressure of uniform multiple adjacent liquids, and multiple liquid bag pressure power are along far from institutes
The direction for stating chair leg is gradually reduced.
Through the above technical solutions, under the self weight of people, leg liquid intraluminal pressure is greater than thigh when user's normal sitting position
Liquid intraluminal pressure, after user, which reclines, to be write on chair, liquid intraluminal pressure is greater than leg liquid intraluminal pressure under thigh, at this time
It allows controller to adjust the pressure that the intracapsular pressure of adjacent liquid keeps liquid intracapsular to be gradually reduced along the direction far from chair leg, liquid capsule
Interior pressure is bigger, and its volume is bigger, realizes the sitting posture for correcting user, makes user more comfortable.
Further, pass through two one-way pump not being connected to directly mutually connections, two institutes between the liquid capsule
The pressurization for stating one-way pump is contrary.
Through the above technical solutions, two reversed and in parallel one-way pumps can allow liquid capsule to realize bidirectional booster, than unidirectional
The adjustment mode of pressurization is more flexible, and adjustment time is also shorter.
Further, when being located at pressure of the intracapsular pressure of the intermediate liquid greater than its adjacent liquid capsule, institute
The one-way pump of the big liquid capsule connection of controller control internal pressure is stated, internally by the big liquid capsule of pressure
And close to the intracapsular pressurization of the liquid of leg;
The intracapsular pressure of the intermediate liquid is reduced again, and the pressure for keeping the intermediate liquid intracapsular is minimum;
Then the intracapsular pressure of the intermediate liquid capsule, the liquid far from leg is successively increased, multiple institutes are formed
The intracapsular pressure of liquid is stated to be gradually reduced along the direction far from leg.
Through the above technical solutions, multiple liquid capsule adjustment are under the pressure regulation of two one-way pumps in parallel, realizing will be oblique
The movement that the trunk lain mentions upwards corrects for the posture of user.
Further, described to be reduced in the intracapsular pressure of the intermediate liquid again:
The intracapsular pressurization of the liquid to separate leg of the intermediate liquid capsule.
Through the above technical solutions, the volume of intermediate liquid capsule is minimum, the liquid capsule volume of two sides is maximum, secures at that time
The posture of user is ready for subsequent change user's posture.
Further, the liquid capsule that is described and then successively increasing centre, the liquid far from leg are intracapsular
Pressure in:
It is located remotely from by the liquid capsule of leg and the liquid capsule that pressure is unchanged is to described in separate leg
The intracapsular pressurization of liquid.
Through the above technical solutions, the intracapsular pressurization of liquid for allowing adjacent liquid capsule to be pressurized to needs, the liquid capsule being pressurized
Volume becomes larger, adjacent liquid capsule volume reduces, so that the body gesture more block of user be allowed to move up, correction is reclined posture.
Further, multiple liquid capsules are uniformly distributed in matrix.
Through the above technical solutions, matrix equally distributed multiple liquid capsules can adjust the everywhere of people and chair contacts
The posture at position makes the posture more standard of people.
Further, the wall thickness of the liquid capsule is in the horizontal direction along gradually thinning far from the backrest center.
Through the above technical solutions, identical interior pressure, its thinner volume of the wall thickness of liquid capsule is also big, and multiple liquid capsules exist
Backrest is centrally formed recess, conducive to making the posture of user in the horizontal direction will not skew.
Further, the one-way pump is connected on the thick wall portion.
Through the above technical solutions, the wall of thick wall portion is thicker, the structure that can enhance junction is slight, while pressure change
When it is small compared with the volume change of thinner wall section, reduce liquid capsule drive one-way pump displacement amplitude.
Compared with prior art, the beneficial effects of the present invention are: under the self weight of people, leg liquid when user's normal sitting position
Intraluminal pressure is greater than thigh liquid intraluminal pressure, and after user, which reclines, to be write on chair, liquid intraluminal pressure is greater than leg under thigh
Liquid intraluminal pressure allows controller to adjust side of the pressure edge far from chair leg that the intracapsular pressure of adjacent liquid keeps liquid intracapsular at this time
To being gradually reduced, multiple liquid capsule adjustment realize the trunk that will be reclined and mention upwards under the pressure regulation of two one-way pumps in parallel
Movement, correct for the posture of user, the intracapsular pressure of liquid is bigger, and its volume is bigger, multiple liquid capsules on chair in centre
Recess and pyramid ascending-type realize the sitting posture for correcting user, make user more comfortable.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the embodiment of the present invention;
Fig. 2 is the control principle drawing of the embodiment of the present invention;
Fig. 3 is the vertical section schematic diagram of liquid of embodiment of the present invention capsule.
Appended drawing reference: 1, chair plate;2, chair leg;3, handrail;4, backrest;5, liquid capsule;6, pressure sensor;7, one-way pump;
8, controller;9, thick wall portion;10, thinner wall section.
Specific embodiment
With reference to the accompanying drawings and examples, the present invention will be described in detail.
Embodiment
A kind of chair of adjustment sitting posture, as shown in Figure 1, including chair plate 1, chair leg 2, handrail 3 and backrest 4, backrest
4, it is provided with multiple in the equally distributed liquid capsule 5 of matrix on chair plate 1 and handrail 3, liquid capsule 5 can be by soft and have bullet
The material of property is made, and material can be soft rubber.The wall thickness of liquid capsule 5 gradually becomes along far from 4 center of backrest in the horizontal direction
Thin, when people leans against liquid capsule 5, liquid capsule 5 is easier deformation far from the position at 4 center of backrest and protrudes, to be conducive to people's
Trunk is retained at 4 center of backrest.Identical interior pressure, its thinner volume of the wall thickness of liquid capsule 5 is also big, and multiple liquid capsules 5 exist
Backrest 4 is centrally formed recess, conducive to making the posture of user in the horizontal direction will not skew.The equally distributed multiple liquid capsules of matrix
5 can adjust the everywhere of people and the posture at position that chair contacts, make the posture more standard of people.
In conjunction with shown in Fig. 2 and Fig. 3, pressure sensor 6 is crimped between the position that liquid capsule 5 is contacted with chair, pressure passes
Sensor 6 is adhesive on liquid capsule 5 and experiences the pressure that liquid capsule 5 is applied on chair surface, generates pressure signal and to outgoing
Pressurization pressure signal.It is connected between adjacent liquid capsule 5 by one-way pump 7, one-way pump 7 controls the one-way pump 7 that Electromagnetic Control can be used, and uses
In reception from extraneous control signal, and the on off operating mode between adjacent liquid capsule 5 is controlled according to control signal.Pressure sensing
Device 6 and the equal signal of one-way pump 7 are connected with controller 8, and single-chip microcontroller commonly used in the prior art and its periphery electricity can be used in controller 8
Road or PLC and its peripheral circuit send control for receiving the pressure signal of the sending of pressure sensor 6, and to one-way pump 7
The state of a control of signal control one-way pump 7, wherein one-way pump 7 has three kinds of pressurization, cut-off and conducting states.Between liquid capsule 5
The one-way pump 7 not being connected to directly mutually by two connects, and the pressurization of two one-way pumps 7 is contrary.
As shown in figure 3, position of the liquid capsule 5 far from chair leg 2 is thick wall portion 9, liquid capsule 5 is thin close to the position of chair leg 2
Wall portion 10, the wall thickness dimension of thick wall portion 9 is greater than the wall thickness dimension of thinner wall section 10, at the same pressure, after thinner wall section 10 is than heavy wall
It is easier to swell, while the volume after swelling is also bigger, after 5 internal pressure of liquid capsule increases, the volume of thinner wall section 10 more also becomes greatly
Change ground faster.One-way pump 7 is connected on thick wall portion 9, and the wall of thick wall portion 9 is thicker, and the structure that can enhance junction is slight, simultaneously
Volume change when pressure change compared with thinner wall section 10 is small, reduces the amplitude that liquid capsule 5 drives one-way pump 7 to shift.
After pressure in the real-time uniformly multiple adjacent liquid capsules 5 of controller 8, multiple 5 pressure of liquid capsule are along separate chair legs 2
Direction is gradually reduced.When the pressure being located in intermediate liquid capsule 5 is greater than the pressure of its adjacent liquid capsule 5, controller 8 controls interior
The one-way pump 7 that pressure big liquid capsule 5 in portion's is connected to, internally by the big liquid capsule 5 of pressure and in the liquid capsule 5 of chair leg 2
Pressurization.The pressure in intermediate liquid capsule 5 is reduced again, keeps the pressure in intermediate liquid capsule 5 minimum.Wherein, intermediate liquid capsule 5
To far from chair leg 2 liquid capsule 5 in be pressurized.Then intermediate liquid capsule 5 is successively increased, in the liquid capsule 5 far from chair leg 2
Pressure.Wherein, the liquid capsule 5 that by the liquid capsule 5 of chair leg 2 and pressure is unchanged is located remotely to increase into the liquid capsule 5 far from chair leg 2
Pressure, the pressure formed in multiple liquid capsules 5 are gradually reduced along the direction far from chair leg 2.
When the chair of adjustment sitting posture uses: under the self weight of people, pressure in leg liquid capsule 5 when user's normal sitting position
Greater than pressure in thigh liquid capsule 5, after user, which reclines, to be write on chair, pressure is greater than leg liquid capsule 5 in liquid capsule 5 under thigh
Interior pressure, allowing controller 8 to adjust the pressure in adjacent liquid capsule 5 at this time makes the pressure in liquid capsule 5 along the direction far from chair leg 2
It is gradually reduced, the pressure in liquid capsule 5 is bigger, and its volume is bigger.Adjacent liquid capsule 5 is allowed to increase into the liquid capsule 5 that needs are pressurized
Pressure, 5 volume of liquid capsule being pressurized becomes larger, and adjacent 5 volume of liquid capsule reduces, thus allow user body gesture more block it is upward
It is mobile, correct posture of reclining.The volume of intermediate liquid capsule 5 is minimum, and 5 volume of liquid capsule of two sides is maximum, secures user at that time
Posture, be ready for subsequent change user's posture.Wherein when controlling the volume of liquid capsule 5, multiple adjustment of liquid capsule 5 exist
Under the pressure regulation of two one-way pumps 7 in parallel, the movement that the trunk that will be reclined proposes upwards is realized, the posture of user is corrected for.Two
The reversed and in parallel one-way pump 7 of platform can allow liquid capsule 5 to realize bidirectional booster, and the adjustment mode than being unidirectionally pressurized is more flexible, adjustment
Time is also shorter.It realizes the sitting posture for correcting user, makes user more comfortable.
The above is only a preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-mentioned implementation
Example, all technical solutions belonged under thinking of the present invention all belong to the scope of protection of the present invention.It should be pointed out that for the art
Those of ordinary skill for, several improvements and modifications without departing from the principles of the present invention, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (8)
1. a kind of chair of adjustment sitting posture, including chair plate (1), chair leg (2), handrail (3) and backrest (4), the backrest
(4), multiple soft and flexible liquid capsule (5), feature are provided on the chair plate (1) and the handrail (3)
Be, be crimped with pressure sensor (6) between the position that the liquid capsule (5) contacts with chair, the adjacent liquid capsule (5) it
Between be connected to by one-way pump (7), the pressure sensor (6) and the one-way pump (7) signal are connected with controller (8);
The controller (8) is used to receive the pressure signal of the pressure sensor (6) sending, and sends to one-way pump (7)
Control the state of a control of signal control one-way pump (7), wherein the one-way pump (7) has three kinds of pressurization, cut-off and conducting shapes
State;
Position of the liquid capsule (5) far from leg (2) is thick wall portion (9), and the liquid capsule (5) is close to leg
(2) position is thinner wall section (10), and the wall thickness dimension of the thick wall portion (9) is greater than the wall thickness dimension of the thinner wall section (10);
After pressure in the real-time uniformly multiple adjacent liquid capsules (5) of the controller (8), multiple liquid capsules (5) pressures
Power is gradually reduced along the direction far from leg (2).
2. the chair of adjustment sitting posture according to claim 1, which is characterized in that pass through between the liquid capsule (5)
Two one-way pump (7) connections not being connected to directly mutually, the pressurization of two one-way pumps (7) are contrary.
3. the chair of adjustment sitting posture according to claim 2, which is characterized in that when positioned at the intermediate liquid capsule
(5) when pressure in is greater than the pressure of its adjacent liquid capsule (5), big described of controller (8) the control internal pressure
The one-way pump (7) of liquid capsule (5) connection, internally the big liquid capsule (5) of pressure is other and close to leg (2)
Pressurization in the liquid capsule (5);
The pressure in the intermediate liquid capsule (5) is reduced again, keeps the pressure in the intermediate liquid capsule (5) minimum;
Then the intermediate liquid capsule (5), the pressure in the liquid capsule (5) far from leg (2), shape are successively increased
It is gradually reduced at the pressure in multiple liquid capsules (5) along the direction far from leg (2).
4. the chair of adjustment sitting posture according to claim 3, which is characterized in that described to reduce the intermediate stream again
In pressure in matter capsule (5):
The pressurization into the liquid capsule (5) far from leg (2) of the intermediate liquid capsule (5).
5. the chair of adjustment sitting posture according to claim 4, which is characterized in that described and then successively increase intermediate
In pressure in the liquid capsule (5), the liquid capsule (5) far from leg (2):
The liquid capsule (5) for being located remotely from leg (2) is other and the liquid capsule (5) that pressure is unchanged is to far from the chair
Pressurization in the liquid capsule (5) of leg (2).
6. the chair of adjustment sitting posture according to claim 1, which is characterized in that multiple liquid capsules (5) are in square
Battle array is uniformly distributed.
7. the chair of adjustment sitting posture according to claim 6, which is characterized in that the wall thickness of the liquid capsule (5) exists
Along gradually thinning far from the backrest (4) center in horizontal direction.
8. the chair of adjustment sitting posture according to claim 1, which is characterized in that the one-way pump (7) is connected to institute
It states on thick wall portion (9).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910010347.7A CN109730480B (en) | 2019-01-05 | 2019-01-05 | Chair of intelligent adjustment position of sitting |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910010347.7A CN109730480B (en) | 2019-01-05 | 2019-01-05 | Chair of intelligent adjustment position of sitting |
Publications (2)
Publication Number | Publication Date |
---|---|
CN109730480A true CN109730480A (en) | 2019-05-10 |
CN109730480B CN109730480B (en) | 2021-10-01 |
Family
ID=66363451
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910010347.7A Active CN109730480B (en) | 2019-01-05 | 2019-01-05 | Chair of intelligent adjustment position of sitting |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109730480B (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114176342A (en) * | 2021-12-24 | 2022-03-15 | 南京理工大学 | Multifunctional office chair |
Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2137111Y (en) * | 1992-10-13 | 1993-06-30 | 伊兹赖尔·什皮尔特 | Mattress with supporting parts |
CN2140177Y (en) * | 1992-08-11 | 1993-08-18 | 王建国 | Inflatable health-care headrest |
CN2222091Y (en) * | 1994-02-10 | 1996-03-13 | 周涷鈤 | Collision-damping air bag |
CN2301921Y (en) * | 1997-03-23 | 1998-12-30 | 王锐光 | Hydraulic health chair cushion |
JP2000245579A (en) * | 1999-03-04 | 2000-09-12 | Fujikura Rubber Ltd | Self-supporting air mat |
CN102423208A (en) * | 2011-11-15 | 2012-04-25 | 陆致迎 | Portable seat cushion capable of generating alternating supporting force |
CN202269678U (en) * | 2011-08-15 | 2012-06-13 | 辛卫康 | Novel chair |
CN202858514U (en) * | 2012-07-18 | 2013-04-10 | 上海创始实业(集团)有限公司 | Pressure sore preventing cushion with manual pressure adjustment and partitioned airbags |
CN203016338U (en) * | 2011-07-02 | 2013-06-26 | 张宇飞 | Multi-arch comfortable chair |
CN104605672A (en) * | 2015-02-13 | 2015-05-13 | 昆山市铁鹰橡胶制品有限公司 | Cushion with self-adjusting air bag |
CN107259871A (en) * | 2017-08-23 | 2017-10-20 | 海门市月彩纺织科技有限公司 | A kind of adjustable lumbar air cushion |
CN107307645A (en) * | 2017-08-22 | 2017-11-03 | 京东方科技集团股份有限公司 | The intelligent waist pillow system of a kind of seat and seat |
CN108887977A (en) * | 2018-06-26 | 2018-11-27 | 浙江圣奥家具制造有限公司 | A kind of adjustable office seating of bi-lateral support comfort level |
-
2019
- 2019-01-05 CN CN201910010347.7A patent/CN109730480B/en active Active
Patent Citations (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2140177Y (en) * | 1992-08-11 | 1993-08-18 | 王建国 | Inflatable health-care headrest |
CN2137111Y (en) * | 1992-10-13 | 1993-06-30 | 伊兹赖尔·什皮尔特 | Mattress with supporting parts |
CN2222091Y (en) * | 1994-02-10 | 1996-03-13 | 周涷鈤 | Collision-damping air bag |
CN2301921Y (en) * | 1997-03-23 | 1998-12-30 | 王锐光 | Hydraulic health chair cushion |
JP2000245579A (en) * | 1999-03-04 | 2000-09-12 | Fujikura Rubber Ltd | Self-supporting air mat |
CN203016338U (en) * | 2011-07-02 | 2013-06-26 | 张宇飞 | Multi-arch comfortable chair |
CN202269678U (en) * | 2011-08-15 | 2012-06-13 | 辛卫康 | Novel chair |
CN102423208A (en) * | 2011-11-15 | 2012-04-25 | 陆致迎 | Portable seat cushion capable of generating alternating supporting force |
CN202858514U (en) * | 2012-07-18 | 2013-04-10 | 上海创始实业(集团)有限公司 | Pressure sore preventing cushion with manual pressure adjustment and partitioned airbags |
CN104605672A (en) * | 2015-02-13 | 2015-05-13 | 昆山市铁鹰橡胶制品有限公司 | Cushion with self-adjusting air bag |
CN107307645A (en) * | 2017-08-22 | 2017-11-03 | 京东方科技集团股份有限公司 | The intelligent waist pillow system of a kind of seat and seat |
CN107259871A (en) * | 2017-08-23 | 2017-10-20 | 海门市月彩纺织科技有限公司 | A kind of adjustable lumbar air cushion |
CN108887977A (en) * | 2018-06-26 | 2018-11-27 | 浙江圣奥家具制造有限公司 | A kind of adjustable office seating of bi-lateral support comfort level |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN114176342A (en) * | 2021-12-24 | 2022-03-15 | 南京理工大学 | Multifunctional office chair |
CN114176342B (en) * | 2021-12-24 | 2024-09-13 | 南京理工大学 | Multifunctional office chair |
Also Published As
Publication number | Publication date |
---|---|
CN109730480B (en) | 2021-10-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN104306117A (en) | Multifunctional seat with body-lifting function | |
CN209950806U (en) | Waist is leaned on and seat | |
CN109730480A (en) | A kind of chair of adjustment sitting posture | |
CN206303522U (en) | A kind of intelligent sofa with air bag | |
CN213720949U (en) | Back following supporting device and office chair | |
CN205513570U (en) | Sofa with massage function | |
CN210696761U (en) | Comfortable seat | |
CN210077132U (en) | Intelligent chair is maintained to correct position of sitting of self-adaptation formula | |
CN107242695A (en) | A kind of Intelligent office desk and chair | |
CN113974364B (en) | Intelligent sofa with digital home terminal conforming to human body stress | |
CN108926154B (en) | Seat capable of correcting sitting posture automatically | |
CN209748627U (en) | Arm rest convenient for browsing mobile phone in side lying | |
CN208524220U (en) | A kind of chaise longue automatically adjusting angle | |
CN113749453A (en) | Controlled support unit array self-adaptive sleeping posture bed | |
CN213757511U (en) | Chair cushion and office chair of adjustable soft or hard degree | |
CN207270149U (en) | A kind of adaptive adjustment ergonomics Lumbar | |
CN210611627U (en) | Leisure sofa | |
CN211269596U (en) | Height-adjustable's technology back cushion | |
CN105266442B (en) | A kind of computer chair with adjustable lumbar support | |
CN209018211U (en) | A kind of mattress that drawing effect is good | |
CN216534583U (en) | External pressure induction type back following supporting device and office chair | |
CN110638241A (en) | Comfortable seat | |
CN216494411U (en) | Chair with computer control function | |
CN219613442U (en) | Back cushion | |
CN216166406U (en) | Seat backrest with good supporting effect |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant |