CN107997431A - A kind of adjustable chair frame component of sitting posture - Google Patents

A kind of adjustable chair frame component of sitting posture Download PDF

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Publication number
CN107997431A
CN107997431A CN201711420390.8A CN201711420390A CN107997431A CN 107997431 A CN107997431 A CN 107997431A CN 201711420390 A CN201711420390 A CN 201711420390A CN 107997431 A CN107997431 A CN 107997431A
Authority
CN
China
Prior art keywords
backrest
seat board
chair frame
connecting portion
sliding
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
Application number
CN201711420390.8A
Other languages
Chinese (zh)
Inventor
毛华忠
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Anji Richness And Furniture Co Ltd
Original Assignee
Anji Richness And Furniture Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Anji Richness And Furniture Co Ltd filed Critical Anji Richness And Furniture Co Ltd
Priority to CN201711420390.8A priority Critical patent/CN107997431A/en
Publication of CN107997431A publication Critical patent/CN107997431A/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/031Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03294Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest slidingly movable in the base frame, e.g. by rollers
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • A47C1/02Reclining or easy chairs
    • A47C1/031Reclining or easy chairs having coupled concurrently adjustable supporting parts
    • A47C1/032Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest
    • A47C1/03205Reclining or easy chairs having coupled concurrently adjustable supporting parts the parts being movably-coupled seat and back-rest having adjustable and lockable inclination
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C7/00Parts, details, or accessories of chairs or stools
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C7/00Parts, details, or accessories of chairs or stools
    • A47C7/36Support for the head or the back
    • A47C7/40Support for the head or the back for the back
    • A47C7/46Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs

Landscapes

  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Chairs For Special Purposes, Such As Reclining Chairs (AREA)

Abstract

The present invention relates to a kind of adjustable chair frame component of sitting posture.Including chair frame, seat board and backrest, chair frame includes seat board connecting portion and backrest connecting portion;Seat board is hinged with backrest, and backrest is hinged with backrest connecting portion, and seat board is slidably connected with seat board connecting portion.The structure setting of the present invention causes the present invention to control the inclined degree of the backrest by slip of the seat board on seat board connecting portion;Also enable a user to by controlling ratio of the gravitational load of the upper part of the body to the chair back to control the inclined degree of the chair back, so as to adjust the posture sat or lain;Also enable a user to by controlling ratio of the gravitational load of the upper part of the body to the chair back to control the inclined degree of the chair back, coordinate buttocks control seat board sliding on seat board connecting portion to carry out the posture that comprehensive adjustment sits or lies at the same time, really realize with oneself and dynamic regulating effect.

Description

A kind of adjustable chair frame component of sitting posture
Technical field
The present invention relates to technical field of furniture, more particularly to a kind of adjustable chair frame component of sitting posture.
Background technology
Some existing seats lie dual-purpose chair when transforming to chaise longue from seat, on the one hand operate it is not easy enough, separately On the one hand it is not comfortable enough.
A Chinese invention application such as Application No. 201610714615.X discloses a kind of chair, including support base, Backrest, link and the seat board taken for user, backrest are arranged on support base by link, and backrest includes being used to support back Back contact section, be used to support waist waist contact-segment and connection back contact section and waist contact-segment changeover portion, Predeterminated position is rotatably connected on link by rotating mechanism in changeover portion;Under external force, backrest can be around whirler Structure is rotated clockwise from preset state;After external force disappears, backrest returns to preset state.Although the chair can rotate, Stamp is easy in rotation makes it not feel well to the back of user, and user can not use as chaise longue.
The content of the invention
The invention solves the above problem, so as to provide a kind of sitting posture adjustable chair frame component.
Technical solution is as follows used by the present invention solves above-mentioned technical problem:
A kind of adjustable chair frame component of sitting posture, including chair frame, seat board and backrest, the chair frame includes seat board connecting portion and backrest connects Socket part;The seat board is hinged with the backrest, and the backrest is hinged with the backrest connecting portion, and the seat board connects with the seat board Socket part is slidably connected so that user can control the backrest by slip of the seat board on the seat board connecting portion Inclined degree;Also enable a user under sitting posture state by the way that inclining for the chair back will be made on the gravitational load of the upper part of the body to the chair back Oblique degree, which changes, carrys out adjusting sitting posture;Also enable a user under sitting posture state by the way that the gravitational load of the upper part of the body is arrived The inclined degree of the chair back is changed on the chair back, while coordinate slip of the buttocks control seat board on seat board connecting portion to integrate Adjusting sitting posture.
In above-mentioned technical proposal of the present invention, user is when sitting posture is adjusted, on the one hand, user back is leaned against produces by back Raw power causes backrest to rotate based on backrest and being hinged for backrest connecting portion, and the power needed for the rotation is smaller, usually only needs Want user by the part force of gravity of the upper part of the body to leaning on back, and extra need not have an effect;Simultaneously, backrest exists The seat board hinged with backrest can be driven to produce sliding relative to seat board connecting portion during rotation;On the other hand while stance adjustment User can utilize effect of the buttocks to seat board, seat board is produced sliding relative to seat board connecting portion, which also can positive feedback Act on hinged based on backrest and backrest connecting portion of backrest and rotate.As it can be seen that the present invention can utilize back and buttocks Effect at the same time carrys out adjusting sitting posture, and adjusting has the function that mutually to assist between the two while back and buttocks so that this The adjusting of invention is very laborsaving, is convenient to.
As the preferred of above-mentioned technical proposal, connected between the seat board and the seat board connecting portion by the first sliding equipment Connect, first sliding equipment include be arranged on the seat board connecting portion fixing slide carriage, be arranged at the seat board bottom Sliding shoe;It is slidably connected between the fixing slide carriage and the sliding shoe.
As the preferred of above-mentioned technical proposal, the fixing slide carriage is equipped with the first sliding groove, and the sliding shoe is equipped with the One is foxy, and first slippery fellow is slidably fixed in the first sliding groove.
As the preferred of above-mentioned technical proposal, the first sliding groove is an inclined-plane or a curved surface.
As the preferred of above-mentioned technical proposal, the backrest includes backrest body with vacant area and less than described The backrest sliding block in vacant area, the backrest body and backrest sliding block are connected by the second sliding equipment, second sliding equipment The second sliding slot including two opposite inner sides being arranged on the vacant area and it is arranged at the of the outside of the backrest sliding block two Two is foxy, and second slippery fellow is slidably fixed in second sliding slot.
As the preferred of above-mentioned technical proposal, connected between the seat board and the backrest by the first linkwork, institute Stating the first linkwork includes being arranged on the first hinged seat of the seat board bottom and is arranged on first turn of the backrest lower part Dynamic portion;First hinged seat forms fixed angle α with the seat board, and first rotation section forms geometrical clamp with the backrest Angle beta, wherein, 90 ° of 180 ° of < α <, 90 ° of 180 ° of < β <.
As the preferred of above-mentioned technical proposal, the first hinged seat and the first rotation section form hinged angle γ, 90 °≤γ < 180°。
As the preferred of above-mentioned technical proposal, connected between the backrest and the backrest connecting portion by the second linkwork Connect, second linkwork includes the second hinged seat for being arranged on backrest connecting portion and be arranged on the backrest back the Two rotation sections.
As the preferred of above-mentioned technical proposal, locking mechanism, institute are provided between the fixing slide carriage and the sliding shoe Locking mechanism is stated including the latch with sliding shoe linkage and is arranged on corresponding with the latch on the fixing slide carriage The pin hole that multistage is set.
As the preferred of above-mentioned technical proposal, the control mechanism of the latch, the control mechanism bag of the latch are further included Include for accommodating the lock bolt cylinder, being arranged in the pin cylinder for making the spring of the latch reset, controlling latch Bracing wire;When the bracing wire is pulled, the latch is drawn off from the pin hole so that the sliding shoe is relative to the fixation Slide is slidably;When the bracing wire is not drawn, when sliding shoe is moved to suitable position, spring resets latch, latch end It is inserted into the pin hole, sliding shoe is fixed relative to the fixing slide carriage.
The present invention has the advantages that:
1st, seat board and backrest of the present invention are hinged, and backrest is hinged with backrest connecting portion, and seat board is slidably connected with seat board connecting portion, so Structure setting cause the present invention to control inclining for the backrest by slip of the seat board on the seat board connecting portion Oblique degree;Also enable a user to by controlling ratio of the gravitational load of the upper part of the body to the chair back to control the inclination of the chair back Degree, so as to adjust the posture sat or lain;Also enable a user to by controlling the gravitational load of the upper part of the body to the chair back Ratio control the inclined degree of the chair back, while coordinate slip of the buttocks control seat board on the seat board connecting portion to carry out comprehensive adjustment The posture sat or lain, is really realized with oneself and dynamic regulating effect.
2nd, the present invention is hinged especially by the first linkwork and second by optimizing the connection relation between each component The optimization of mechanism so that adjusting of the invention becomes more convenient, it is ensured that user can be achieved with moving with oneself with less power Regulating effect.
3rd, the present invention is by setting the first sliding equipment seat board is slidably connected relative to seat board connecting portion, and by first Sliding slot is arranged to an inclined-plane or a curved surface so that the present invention can not only be adjusted with oneself dynamicly, and be ensured carry-on And dynamic regulating effect meets ergonomics, the seat of user, which lies to switch, not only facilitates but also can experience comfort.
4th, the present invention controls the first sliding equipment by setting locking mechanism, so closes locking mechanism and can be achieved with adjusting Section, opens locking mechanism and can just be adjusted in chair frame component to after in the state of current suitable and fixed.
5th, the present invention is also by setting the second sliding equipment to install backrest sliding block, and backrest sliding block is as user in posture Main stress point during adjusting so that backrest sliding block can follow the upper part of the body of user to be slided, so can be effectively Avoid the friction between backrest and user back, thus avoid the clothes of user after adjustment dorsal area crumple or Shrink.
Brief description of the drawings
Fig. 1 is the front view of the present invention;
Fig. 2 is the side view of the present invention;
Fig. 3 is the backrest structure schematic diagram of the present invention;
Fig. 4 is the structure diagram of the first sliding equipment and locking mechanism of the invention;
In figure, 1- chair frames, 2- seat boards, 3- backrests, the first sliding equipments of 4-, the second sliding equipments of 5-, the 3rd sliding equipments of 6-, 7- Second linkwork, 8- locking mechanisms, 9- control mechanisms;
11- seat board connecting portions, 12- backrest connecting portions;
31- backrest bodies, 32- backrest sliding blocks;
41- fixing slide carriages, 42- sliding shoes, 411- the first sliding grooves, 421- first are foxy;
The second sliding slots of 51-, 52- second are foxy;
The first hinged seats of 61-, the first rotation sections of 62-;
The second hinged seats of 71-, the second rotation sections of 72-;
81- latches, 82- pin holes;
91- sells cylinder, 92- springs, 93- bracing wires.
Embodiment
Explanation is further explained to the present invention below in conjunction with attached drawing.
Present embodiment is only explanation of the invention, is not limitation of the present invention, people in the art Any change that member is made after the specification of the present invention has been read, as long as in the range of claims, will all be subject to The protection of Patent Law.
As shown in Figs. 1-2, the adjustable chair frame component of a kind of sitting posture, including chair frame 1, seat board 2 and backrest 3.Chair frame 1 includes seat Plate connecting portion 11 and backrest connecting portion 12.
As shown in Fig. 2, being connected between seat board 2 and backrest 3 by the first linkwork 6, the first linkwork 6 includes setting 2 bottom of seat board the first hinged seat 61 and be arranged on the first rotation section 62 of 3 lower part of backrest;First hinged seat 61 and seat board 2 Fixed angle α is formed, the first rotation section 62 forms geometrical clamp angle beta with backrest 3, and the first hinged seat 61 is formed with the first rotation section 62 Hinged angle γ, in the present embodiment, α=β=γ=120 °.
As shown in Fig. 1 or 2 or 3, connected between backrest 3 and backrest connecting portion 12 by the second linkwork 7, second is hinged Mechanism 7 includes the second hinged seat 71 being arranged on backrest connecting portion 12 and the second rotation section 72 for being arranged on 3 back of backrest.
As shown in Fig. 2, connected between seat board 2 and seat board connecting portion 11 by the first sliding equipment 4, the first sliding equipment 4 Including be arranged on seat board connecting portion 11 fixing slide carriage 41, be arranged at the sliding shoe 42 of 2 bottom of seat board;Fixing slide carriage 41 It is slidably connected between the sliding shoe 42.As shown in figure 4, fixing slide carriage 41 is equipped with the first sliding groove 411, the slip Block 42 is equipped with the first slippery fellow 421, and first slippery fellow 421 is slidably fixed in the first sliding groove 411.First slides Groove 411 is an inclined-plane or a curved surface, and the first sliding groove 411 is an inclined-plane in the present embodiment.
Based on above-mentioned chair frame component 1, seat board 2,3 and first linkwork 6 of backrest, the second linkwork 7 and first Sliding equipment 4 so that the chair frame component of the present embodiment can be adjusted with oneself dynamicly.As long as user is by by the upper part of the body Part force of gravity is on backrest 3, and with regard to the second linkwork 7 can be made to rotate, this is actual to make use of lever principle, second When linkwork 7 rotates, the first linkwork 6 can be driven at the same time, since seat board 2 is slidably connected on seat board connecting portion 11, because After the first linkwork 6 is driven, seat board 2 can slide for this, and final realize is adjusted.
User can also be adjusted in different ways, as long as such as by by the part force of gravity of the upper part of the body After on to backrest 3, seat board 2 can also be controlled using buttocks at the same time, slide seat board 2;The sliding of seat board 2 and backrest 3 Rotation be linkage;Therefore on the premise of being controlled using buttocks to seat board 2, moreover it is possible to make the adjusting of backrest 3 become more Easily, it is also more convenient.
In the present embodiment, as shown in figure 3, backrest 3 includes backrest body 31 with vacant area and less than the sky Put the backrest sliding block 32 in area, backrest body 31 and backrest sliding block 32 to connect by the second sliding equipment 5, the second sliding equipment 5 wraps Include the second sliding slot 51 of two opposite inner sides for being arranged on the vacant area and be arranged at the second of 32 liang of outsides of backrest sliding block and slide First 52, the second slippery fellow 52 is slidably fixed in the second sliding slot 51.
Based on this, the present embodiment also has more preferable effect.The back of user is contacted with backrest sliding block 32, and sitting posture is adjusted When, although opposite change in location can occur relative to back for backrest 32, since backrest sliding block 32 and backrest body 31 pass through Second sliding equipment 5 connects, therefore, the change of the back of user with relative position hardly occurs between backrest sliding block 32. This relatively-stationary mode, be conducive to adjust is smoothed out, and otherwise this opposite change will occur at back and lean on Between the back of the body, certain obstruction will be produced, it is necessary to which user slightly lifts the upper part of the body or use using waist abdomen strength to adjusting Arm strength is propped up above the waist, could further adjusting sitting posture.
In the present embodiment, as shown in figure 4, being provided with locking mechanism 8 between fixing slide carriage 41 and sliding shoe 42, machine is locked Structure 8 includes the latch 81 to link with sliding shoe 42 and is arranged on the multistage pin set corresponding with latch 81 on fixing slide carriage 41 Hole 82.The control mechanism 9 of latch is further included, the control mechanism 9 of latch includes being used to accommodate lock bolt cylinder 91, be arranged on pin cylinder The interior spring 92 for being used to reset latch and the bracing wire 93 for controlling latch;When bracing wire 93 is pulled, latch 81 is from pin Hole 82 is drawn off so that sliding shoe 42 relative to fixing slide carriage 41 slidably;When bracing wire 93 is not drawn, sliding shoe 42 is moved to During suitable position, spring 92 resets latch, in latch end insertion pin hole 82, makes sliding shoe 42 relative to the fixing slide carriage 41 fix.

Claims (10)

1. a kind of adjustable chair frame component of sitting posture, including chair frame(1), seat board(2)And backrest(3), the chair frame(1)Including seat board Connecting portion(11)With backrest connecting portion(12);It is characterized in that:The seat board(2)With the backrest(3)It is hinged, the backrest (3)With the backrest connecting portion(12)It is hinged, the seat board(2)With the seat board connecting portion(11)It is slidably connected.
A kind of 2. adjustable chair frame component of sitting posture according to claim 1, it is characterised in that:The seat board(2)With it is described Seat board connecting portion(11)Between pass through the first sliding equipment(4)Connection, first sliding equipment(4)Including being arranged at the seat Plate connecting portion(11)On fixing slide carriage(41), be arranged at the seat board(2)The sliding shoe of bottom(42);The fixing slide carriage (41)With the sliding shoe(42)Between be slidably connected.
A kind of 3. adjustable chair frame component of sitting posture according to claim 2, it is characterised in that:The fixing slide carriage(41)On Equipped with the first sliding groove(411), the sliding shoe(42)It is foxy to be equipped with first(421), described first is foxy(421)Slideably It is fixed on the first sliding groove(411)It is interior.
A kind of 4. adjustable chair frame component of sitting posture according to claim 3, it is characterised in that:The first sliding groove(411) For an inclined-plane or a curved surface.
A kind of 5. adjustable chair frame component of sitting posture according to claim 1, it is characterised in that:The backrest(3)Including tool There is the backrest body in a vacant area(31)With the backrest sliding block less than the vacant area(32), the backrest body(31)With by Carry on the back sliding block(32)Pass through the second sliding equipment(5)Connection, second sliding equipment(5)Two including being arranged on the vacant area Second sliding slot of a opposite inner side(51)Be arranged at the backrest sliding block(32)The second of two outsides is foxy(52), described Two is foxy(52)It is slidably fixed to second sliding slot(51)It is interior.
A kind of 6. adjustable chair frame component of sitting posture according to claim 1, it is characterised in that:The seat board(2)With it is described Backrest(3)Between pass through the first linkwork(6)Connection, first linkwork(6)Including being arranged on the seat board(2)Bottom First hinged seat in portion(61)Be arranged on the backrest(3)First rotation section of lower part(62);First hinged seat(61) With the seat board(2)Form fixed angle α, first rotation section(62)With the backrest(3)Geometrical clamp angle beta is formed, wherein, 90 ° of 180 ° of < α <, 90 ° of 180 ° of < β <.
A kind of 7. adjustable chair frame component of sitting posture according to claim 6, it is characterised in that:First hinged seat(61)With One rotation section(62)Form hinged 180 ° of angle γ, 90 °≤γ <.
A kind of 8. adjustable chair frame component of sitting posture according to claim 1, it is characterised in that:The backrest(3)With it is described Backrest connecting portion(12)Between pass through the second linkwork(7)Connection, second linkwork(7)Connect including being arranged on backrest Socket part(12)On the second hinged seat(71)Be arranged on the backrest(3)Second rotation section at back(72).
A kind of 9. adjustable chair frame component of sitting posture according to claim 1, it is characterised in that:The fixing slide carriage(41)With The sliding shoe(42)Between be provided with locking mechanism(8), the locking mechanism(8)Including with the sliding shoe(42)Linkage Latch(81)And it is arranged on the fixing slide carriage(41)The upper and latch(81)The corresponding multistage pin hole set(82).
A kind of 10. adjustable chair frame component of sitting posture according to claim 9, it is characterised in that:Further include the latch Control mechanism(9), the control mechanism of the latch(9)Including for accommodating the lock bolt cylinder(91), be arranged on the pin It is used for the spring for resetting the latch in cylinder(92), control latch bracing wire(93);When the bracing wire(93)When being pulled, institute State latch(81)From the pin hole(82)It is drawn off so that the sliding shoe(42)Relative to the fixing slide carriage(41)It can slide It is dynamic;When the bracing wire(93)Do not drawn, sliding shoe(42)When being moved to suitable position, spring(92)Reset latch, latch The pin hole is inserted into end(82)In, make sliding shoe(42)Relative to the fixing slide carriage(41)It is fixed.
CN201711420390.8A 2017-12-25 2017-12-25 A kind of adjustable chair frame component of sitting posture Pending CN107997431A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711420390.8A CN107997431A (en) 2017-12-25 2017-12-25 A kind of adjustable chair frame component of sitting posture

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711420390.8A CN107997431A (en) 2017-12-25 2017-12-25 A kind of adjustable chair frame component of sitting posture

Publications (1)

Publication Number Publication Date
CN107997431A true CN107997431A (en) 2018-05-08

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711420390.8A Pending CN107997431A (en) 2017-12-25 2017-12-25 A kind of adjustable chair frame component of sitting posture

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109106121A (en) * 2018-10-09 2019-01-01 颐维医疗器械(上海)有限公司 A kind of thing to sit on

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070222265A1 (en) * 2006-03-24 2007-09-27 Hni Corporation Reclining chair with enhanced adjustability
CN201550921U (en) * 2009-10-27 2010-08-18 安育有限公司 Seat chair
CN203195075U (en) * 2013-04-10 2013-09-18 王彩根 Stable chair
CN203852051U (en) * 2014-03-25 2014-10-01 刘良胜 Multifunctional seating and reclining chair
CN205365293U (en) * 2015-09-15 2016-07-06 重庆延锋江森汽车部件***有限公司 Vehicle seat
CN209152725U (en) * 2017-12-25 2019-07-26 安吉富和家具有限公司 A kind of adjustable chair frame component of sitting posture

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070222265A1 (en) * 2006-03-24 2007-09-27 Hni Corporation Reclining chair with enhanced adjustability
CN201550921U (en) * 2009-10-27 2010-08-18 安育有限公司 Seat chair
CN203195075U (en) * 2013-04-10 2013-09-18 王彩根 Stable chair
CN203852051U (en) * 2014-03-25 2014-10-01 刘良胜 Multifunctional seating and reclining chair
CN205365293U (en) * 2015-09-15 2016-07-06 重庆延锋江森汽车部件***有限公司 Vehicle seat
CN209152725U (en) * 2017-12-25 2019-07-26 安吉富和家具有限公司 A kind of adjustable chair frame component of sitting posture

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109106121A (en) * 2018-10-09 2019-01-01 颐维医疗器械(上海)有限公司 A kind of thing to sit on
CN109106121B (en) * 2018-10-09 2023-11-28 颐维医疗器械(上海)有限公司 Seat tool

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