CN114947435A

CN114947435A - Self-adaptive office chair

Info

Publication number: CN114947435A
Application number: CN202210819257.4A
Authority: CN
Inventors: 金华强
Original assignee: Anhui Aigekang Home Furnishing Technology Co ltd
Current assignee: Anhui Aigekang Home Furnishing Technology Co ltd
Priority date: 2022-07-11
Filing date: 2022-07-11
Publication date: 2022-08-30
Anticipated expiration: 2042-07-11
Also published as: CN114947435B

Abstract

The invention discloses a self-adaptive office chair, and particularly relates to the field of office chairs.

Description

Self-adaptive office chair

Technical Field

The invention relates to the field of office chairs, in particular to a self-adaptive office chair.

Background

Through iterative updating, the office chair is developed from an initial conventional chair to the current situation with functions of comfort, health, adjustability and the like, and partial office chairs also have the effects of heating, ventilation and the like, so that the risks caused by long-time sitting are reduced for long-time sitting office workers.

For example, the application document with the patent number CN108851710B discloses an intelligent office chair with ventilation function, which comprises a chair back, a chair seat and chair legs, wherein at least one first ventilation through hole is arranged on a second elastic object on the upper surface of the middle part of the chair seat, and a third elastic object is arranged in the second ventilation through hole; the chair seat frame forms an accommodating space, the accommodating space comprises a circular plate, at least one first groove is arranged on the circular plate and corresponds to the first ventilation through hole in position, a vertical connecting piece is limited in the groove, and the other end of the vertical connecting piece is fixedly connected with a third elastic object; the center of the circular plate is provided with a first connecting hole, and the circular plate is connected with a first motor through the first connecting hole; a second groove is formed in the side face of the circular plate, a steel wire rope is arranged in the second groove, the steel wire rope is an annular rope and also encircles the side face of a first pulley, and the first pulley is fixedly connected with the second motor; still include power module, power module connects controller, temperature-sensing ware, humidity inductor, fan and heats the piece respectively.

But because the ventilation of the prior office chair ignores that dust easily enters the ventilation channel inside the office chair to block the channel, the ventilation function of the office chair has the problems of poor ventilation or poor ventilation quality after being used for a period of time.

Disclosure of Invention

The invention aims to provide a self-adaptive office chair to solve the technical problem of poor ventilation of the office chair capable of ventilating, which is proposed in the background art and is used for a long time.

In order to achieve the purpose, the invention provides the following technical scheme:

the utility model provides a self-adaptation office chair, which comprises a bracket, the support includes a supporting disk, a supporting disk middle part sets up the through-hole, a supporting disk and branch fixed connection, fixed connection motor in the branch, the output shaft and the flabellum fixed connection of motor, it is provided with to strain a section of thick bamboo to be located the flabellum top, it is connected with a heating section of thick bamboo to strain to rotate on the section of thick bamboo, the branch top is fixed and communicates with lift bobbin base end, lift bobbin base end is fixed with the frame of cushion below, the frame is including the many hack levers that are provided with the gas pocket, including a motor, the flabellum sets up in branch, and set up in branch and strain a section of thick bamboo, the air that enters into in the branch gets into gets off through straining the dust filtration in the air, with the dust content of air among the reduction entering ventilation passageway, thereby reduce the probability that ventilation passageway blockked up.

Preferably, the heating cylinder sets up the rotary drum in branch including rotating, the rotary drum outside is provided with the slot fixed with the interior plug of branch, the rotary drum inboard is fixed with outer end and the fixed spiral heating plate of guide vane in the slot, including a motor, the plug is connected with the wire, the heating cylinder sets up to rotate and connects in the inside rotary drum of branch fixed connection spiral heating plate, can rotate the guide vane that makes the rotary drum connect and peg graft or separate with the plug according to the demand, thereby whether control heats, compare in adopting relevant control system to adjust the cost lower, it is more convenient to adjust, and spiral heating plate sets up in straining a section of thick bamboo top, reduce the probability of adhering to dust on the spiral heating plate, guarantee heating efficiency, spiral heating plate increase and the contact surface of air, make the air current fully contact with the heating plate when the spiral heating plate, guarantee heating temperature.

Preferably, be located spiral heating plate top in the rotary drum and be provided with the appearance chamber, leave the clearance between appearance chamber outside and the rotary drum inner wall, hold the chamber and communicate through the interpolation hole that adds pipe and branch side, set up the appearance chamber and hold the chamber and add the hole through adding union coupling in the rotary drum inside, accessible adds the hole, adds the pipe and is used for improving air humidity or refreshing to holding intracavity water injection, essential oil etc..

Preferably, a plurality of air holes are formed in the side face of the support rod and located between the motor and the fan blades, a plurality of spiral filter screens are fixedly connected in the filter cylinder, the air holes are formed between the motor and the fan blades, the filter screens in the filter cylinder are spiral, and the fan blades send airflow into the filter cylinder in rotation and then enter the ventilation channel after being filtered by the spiral filter screens.

Preferably, filter screen middle part fixed connection montant, montant top and clearance pole fixed connection, the clearance pole runs through the spacing pull ring of through-hole fixed connection on the branch, the clearance pole slides in the through-hole, the montant is connected at spiral helicine filter screen middle part and the montant rotates with spacing pull ring to be connected, can make spiral helicine filter screen deformation through the pull ring, make spiral helicine filter screen can vibrate after loosening spacing pull ring, and then make the filter screen on filter screen filter the dust that gets off shake and fall in order to reach the effect of clearance filter screen.

Preferably, the lift section of thick bamboo includes the fixed section of thick bamboo with the coaxial fixed connection of branch, the fixed inner tube of coaxial fixed connection in the fixed section of thick bamboo, sliding connection sliding cylinder in the fixed section of thick bamboo, the sliding inner tube of coaxial fixed connection in the sliding cylinder, sliding inner tube and fixed inner tube laminating sliding connection, set up the compression spring that the top contradicted with the sliding cylinder in the fixed section of thick bamboo, sliding inner tube and the inside intercommunication of frame, connecting pad and frame fixed connection are passed through to the sliding cylinder bottom, be connected through locking mechanical system between fixed section of thick bamboo and the sliding cylinder, fixed inner tube of fixed section of thick bamboo internal connection in the lift section of thick bamboo, connect the sliding inner tube in the sliding cylinder, fixed inner tube and the sliding inner tube laminating slip and form airflow channel, still keep the channel intercommunication after adjustment seat height.

Preferably, fixed connection cushion, handrail, back, neck pad on the frame, frame are located back rear side sliding connection horizontal pole, sliding connection waist support on the horizontal pole, and the waist holds in the palm the slip to be set up on the horizontal pole, makes the waist hold in the palm the position and can change, adjusts the waist according to different position of sitting and holds in the palm the position, is contradicted the waist by the rear portion.

Preferably, the waist holds in the palm the cross-section for the circular arc radius by descending the arc from bottom to top, and waist holds in the palm side fixed connection slide, and the slide slides on the horizontal pole, and the waist holds in the palm inboard and contradicts with the intraductal gliding slide bar of pressure of fixing on the horizontal pole, and the pressure pipe passes through pipeline in the frame and the inside gasbag intercommunication of cushion, and the pressure pipe that the drive waist held in the palm and the inside gasbag intercommunication of cushion are held in the palm and are removed according to gasbag atress drive waist, and the drive waist that distributes according to the seat is promptly held in the palm and is removed.

Preferably, the gasbag has two and two gasbags to set up respectively in the cushion left and right both sides, is provided with the spring in the pressure pipe, and the gasbag sets up to left and right two on the cushion, makes the waist support position correspond the change according to controlling two gasbag atress sizes.

Preferably, the neck pad rotates to be connected on another horizontal pole that the frame top is fixed, and the inboard intraductal slide bar that slides in the pressure of fixing on this horizontal pole conflicts of neck pad, and this pressure pipe and gasbag pass through the pipeline intercommunication in the frame, thereby the pressure pipe of connecting on the horizontal pole that the neck pillow belongs to makes the neck pillow rotate under the gasbag drive and makes the suggestion sit personnel adjustment position of sitting on the chair.

Compared with the prior art, the invention has the beneficial effects that:

1. the filter cartridge is arranged above the fan blades to filter dust in the air flow, so that the problem of channel blockage or poor ventilation quality caused by dust accumulation in the ventilation channel is solved;

2. a plurality of spiral filter screens are overlapped in the filter cylinder and used for blocking dust in the air, the middle part of each filter screen is connected with a vertical rod, the vertical rod is connected with a limiting pull ring penetrating through the filter cylinder and the side surface of each support rod, and the filter screens vibrate by loosening after the limiting pull rings are pulled, so that dust accumulated on the filter screens is vibrated down to clean the filter screens;

3. the heating cylinder is rotatably arranged in the supporting rod, the guide vane is inserted into the plug by rotating the heating cylinder so as to be electrified to achieve the heating effect, and the spiral heating sheet adopts a spiral structure, so that the airflow is fully contacted with the heating sheet to heat the flowing airflow in a short time;

4. a structure that the sliding inner cylinder and the fixed inner cylinder are communicated and are relatively attached and slide is arranged in the lifting cylinder, so that the lifting cylinder keeps the communication of the channels after the height of the seat is adjusted;

5. waist holds in the palm, the neck pad is connected with the pressure pipe, and the gasbag intercommunication on pressure pipe and the cushion confirms waist support, neck pillow position according to the gravity distribution condition on the cushion, and the waist holds in the palm is contradicted in the waist by the rear, and the neck pillow warp so that personnel adjust the position of sitting.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic rear side view of the present invention;

FIG. 3 is a connection diagram of the tray, the support rod and the lifting cylinder of the present invention;

FIG. 4 is a cross-sectional view of a strut of the present invention;

FIG. 5 is a cross-sectional view of a filter cartridge of the present invention;

FIG. 6 is a cross-sectional view of a heating cartridge of the present invention;

FIG. 7 is a cross-sectional view of a lift cylinder of the present invention;

FIG. 8 is a cross-sectional view of the lumbar support of the present invention;

figure 9 is a cross-sectional view of a seat cushion of the present invention.

In the figure: 1. a support; 11. supporting a disc; 111. a universal wheel; 12. a strut; 121. an air inlet; 122. a motor; 123. a fan blade; 124. a filter cartridge; 1241. a limiting pull ring; 1242. a pulley; 1243. a rope; 1244. a vertical rod; 1245. filtering with a screen; 125. a heating cylinder; 1251. a limiting rod; 1252. an addition hole; 1253. a housing chamber; 1254. a spiral heating plate; 1255. a slot; 126. a limiting groove; 127. rotating the sleeve; 13. a lifting cylinder; 131. a fixed cylinder; 1311. fixing the inner cylinder; 132. a sliding cylinder; 1321. sliding the inner cylinder; 133. a compression spring; 2. a frame; 21. a cushion; 211. an air bag; 3. a backrest; 31. a backing; 4. a neck pad; 5. a waist support; 51. a cross bar; 511. a pressure pipe; 52. a slide plate; 53. and (7) a supporting plate.

Detailed Description

Example 1

As shown in fig. 1-4, a self-adaptive office chair includes a support 1, the support 1 includes a supporting disk 11, a through hole is provided in the middle of the supporting disk 11, the supporting disk 11 is fixedly connected to a supporting rod 12, a motor 122 is fixedly connected to the inside of the supporting rod 12, an output shaft of the motor 122 is fixedly connected to a fan blade 123, a filter cartridge 124 is provided above the fan blade 123, the filter cartridge 124 is rotatably connected to a heating cylinder 125, the top end of the supporting rod 12 is fixed and communicated with the bottom end of a lifting cylinder 13, the top end of the lifting cylinder 13 is fixed to a frame 2 below a cushion 21, the frame 2 includes a plurality of frame rods provided with air holes, and a universal wheel 111 is connected to the bottom end of the supporting disk 11.

The supporting disc 11 is fixedly connected with a supporting rod 12, an air inlet hole 121 is formed in the side face of the supporting rod 12 and located between a fan blade 123 and a motor 122, under the condition of being hot, a lead connected with the motor 122 is connected with a power supply to drive the motor 122 to rotate, so that the fan blade 123 rotates to send air flow into the supporting rod 12 through the air inlet hole 121, the air flow enters a heating cylinder 125 after being filtered by a filter cylinder 124, whether the air flow is heated or not is selected according to requirements, the air flow enters the frame 2 through a lifting cylinder 13 and is discharged from air holes distributed in the frame 2, the air flow acts on the body of a person sitting on the seat, the ventilation effect is achieved, the amount of dust in the air filtered by the filter cylinder 124 is small, and the possibility that a ventilation channel is blocked by the air flow can be reduced.

Example 2

As shown in fig. 1-5, a self-adaptive office chair, including support 1, support 1 includes a tray 11, a through hole is provided in the middle of tray 11, tray 11 and branch 12 fixed connection, fixed connection motor 122 in branch 12, the output shaft and the flabellum 123 fixed connection of motor 122, it is provided with a filter cartridge 124 to be located the flabellum 123 top, it is connected with heating cylinder 125 to rotate on the filter cartridge 124, branch 12 top and 13 bottom fixings and intercommunication of a lift cylinder, 13 top of a lift cylinder is fixed with frame 2 below cushion 21, frame 2 is including the many hack levers that are provided with the gas pocket, filter screen 1245 middle part fixed connection montant 1244, montant 1244 top and clearance pole fixed connection, clearance pole runs through the spacing pull ring 1241 of through hole fixed connection on branch 12, clearance pole slides in the through hole.

The airflow enters the filter cartridge 124, the airflow enters the heating cylinder 125 after being filtered by a plurality of layers of vertical linear array filter screens 1245, the filter screens 1245 adopt a spiral structure, so that the airflow flows from gaps among spirals, when the airflow flows through the filter screens 1245, the filter screens 1245 have a filtering effect on dust in the airflow, the airflow enters the heating cylinder 125 after being filtered layer by layer, so that the heating effect can be prevented from being influenced by dust adsorbed in the heating cylinder 125, the middle parts of the spiral filter screens 1245 are fixedly connected through vertical rods 1244, the top ends of the vertical rods 1244 are connected with limiting pull rings 1 outside the support rods 12 through ropes 1243 which bypass the pulleys 1242 and penetrate through the filter cartridge 124 and the support rods 12, after being used for a period of time, the ropes 1243 move on the pulleys 1242 which are rotatably connected in the filter cartridge 124 by pulling the limiting pull rings 1241, meanwhile, the vertical rods 1244 move upwards, and meanwhile, the middle parts of the filter screens 5 connected with the vertical rods 1244 are pulled upwards to form conical spirals, the spiral filter screen 1245 accumulates elastic potential energy, and after the limiting pull ring 1241 is loosened, the filter screen 1245 is restored and vibrates, so that the dust attached to the filter screen 1245 vibrates and falls to keep the permeability of the filter cartridge 124, and for discharging the dust in time, the inner side of the air inlet hole 121 can be connected with the inclined air inlet pipe and the center of the air inlet pipe is connected with the cone frustum, so that the vibrated dust slides out along the air inlet hole 121.

Example 3

As shown in fig. 1-5, a self-adaptive office chair comprises a support 1, the support 1 comprises a support 11, a through hole is arranged in the middle of the support 11, the support 11 is fixedly connected with a support rod 12, a motor 122 is fixedly connected in the support rod 12, an output shaft of the motor 122 is fixedly connected with a fan blade 123, a filter cartridge 124 is arranged above the fan blade 123, a heating cartridge 125 is rotatably connected to the filter cartridge 124, the top end of the support rod 12 is fixed and communicated with the bottom end of a lifting cartridge 13, the top end of the lifting cartridge 13 is fixed with a frame 2 below a cushion 21, the frame 2 comprises a plurality of frame rods with air holes, the heating cartridge 125 comprises a rotary drum rotatably arranged in the support rod 12, a slot 1255 fixed with an inner plug of the support rod 12 is arranged outside the rotary drum, a spiral heating piece 1254 fixed with an inner guide piece of the slot 1255 is fixed on the inner side of the rotary drum, the motor 122 and the plug are connected with a lead, a cavity 1253 is arranged above the spiral heating piece 1254 in the rotary drum, a gap is reserved between the outer side of the cavity 1253 and the inner wall of the rotary drum, and the cavity 1253 is communicated with the adding hole 1252 on the side surface of the support rod 12 through an adding pipe.

The filtered air flow enters the heating cylinder 125, when heating is needed, the rotating sleeve 127 is rotated to enable the heating cylinder 125 connected with the rotating sleeve 127 through the limiting rod 1251 to rotate in the supporting rod 12 to the slot 1255 to be inserted into the plug fixed in the supporting rod 12, in the process, the limiting rod 1251 slides in the limiting groove 126, the plug is connected with a power supply through a lead, a spiral heating plate fixed in the heating cylinder 125 is electrified to be heated, the air flow enters the frame 2 after passing through the spiral heating plate and flows through a ventilation flow channel in the frame 2 to be discharged from an exhaust hole, the air flow is heated for the condition of low winter environment or the condition of low indoor air conditioning temperature in summer, at the moment, the adding hole 1252 on the heating cylinder 125 is staggered with the adding water 1252 on the supporting rod 12, when humidity ventilation is needed to be improved, the rotating sleeve 127 is rotated until the adding hole 1252 on the heating cylinder 125 is aligned with the adding hole 1252 on the supporting rod 12, water or volatile refreshing substance such as volatile essential oil is injected into the addition hole 1252, and can be volatilized at normal temperature or accelerated under heating state, so that the air flow discharged from the exhaust hole has essential oil molecules or water molecules, and the moisture content of the air flow can be refreshed or increased.

Example 4

As shown in fig. 1-7, a self-adaptive office chair comprises a support 1, the support 1 comprises a support tray 11, a through hole is arranged in the middle of the support tray 11, the support tray 11 is fixedly connected with a support rod 12, a motor 122 is fixedly connected in the support rod 12, an output shaft of the motor 122 is fixedly connected with fan blades 123, a filter cartridge 124 is arranged above the fan blades 123, a heating cartridge 125 is rotatably connected to the filter cartridge 124, the top end of the support rod 12 is fixedly connected and communicated with the bottom end of a lifting cartridge 13, the top end of the lifting cartridge 13 is fixed with a frame 2 below a cushion 21, the frame 2 comprises a plurality of frame rods with air holes, the lifting cartridge 13 comprises a fixed cartridge 131 coaxially and fixedly connected with the support rod 12, a fixed inner cartridge 1311 is coaxially and fixedly connected in the fixed cartridge 131, a sliding cartridge 132 is slidably connected in the fixed cartridge 131, a sliding inner cartridge 1321 is coaxially and fixedly connected in the sliding cartridge 132, the sliding inner cartridge 1321 is attached and slidably connected with the fixed inner cartridge 1311, a compression spring 133 with the sliding cartridge 132 is arranged in the fixed cartridge 131, the sliding inner cylinder 1321 is communicated with the inside of the frame 2, the bottom end of the sliding cylinder 132 is fixedly connected with the frame 2 through a connecting disc, and the fixed cylinder 131 is connected with the sliding cylinder 132 through a locking mechanism.

The fixed inner cylinder 1311 is coaxially and fixedly connected in the fixed cylinder 131 in the lifting cylinder 13, the fixed inner cylinder 1311 is attached and slidably connected with the sliding inner cylinder 1321 coaxially fixed in the sliding cylinder 132, the end parts of the fixed inner cylinder 1311 and the sliding inner cylinder 1321 are communicated, the supporting rod 12 and the frame 2 can be always communicated in the process of adjusting lifting, namely ventilation can be realized after the height of the seat is adjusted, and the locking mechanism adopts a locking mode of lifting the seat in the prior art.

Example 5

As shown in fig. 1-9, a self-adaptive office chair comprises a support 1, the support 1 comprises a support 11, a through hole is arranged in the middle of the support 11, the support 11 is fixedly connected with a support rod 12, a motor 122 is fixedly connected in the support rod 12, an output shaft of the motor 122 is fixedly connected with a fan blade 123, a filter drum 124 is arranged above the fan blade 123, a heating drum 125 is rotatably connected on the filter drum 124, the top end of the support rod 12 is fixed and communicated with the bottom end of a lifting drum 13, the top end of the lifting drum 13 is fixed with a frame 2 below a cushion 21, the frame 2 comprises a plurality of frame rods provided with air holes, the frame 2 is fixedly connected with a cushion 21, armrests, a backrest 3 and a neck cushion 4, the frame 2 is positioned at the back side of the backrest 3 and is slidably connected with a cross rod 51, the cross rod 51 is slidably connected with a lumbar support 5, the cross section of the lumbar support 5 is in an arc shape with an arc radius decreasing from bottom to top, a sliding plate 52 is fixedly connected with the side of the lumbar support 5, the sliding plate 52 slides on the cross rod 51, the inboard pressure pipe 511 gliding slide bar of fixing contradicts on the waist holds in the palm 5 with horizontal pole 51, pressure pipe 511 passes through the inside pipeline of frame 2 and the inside gasbag 211 intercommunication of cushion 21, gasbag 211 has two and two gasbags 211 to set up respectively in the cushion 21 left and right both sides, be provided with the spring in the pressure pipe 511, the rotation of neck pad 4 is connected on another horizontal pole 51 of frame 2 top fixed, the inboard pressure pipe 511 gliding slide bar of this horizontal pole 51 of the last fixed pressure pipe 511 of neck pad 4 contradicts, this pressure pipe 511 and gasbag 211 pass through the pipeline intercommunication in the frame 2.

The cushion 21 is set as a structure of filling the air bag 211 inside, so that the cushion 21 is softer, the air bag 211 is communicated with the pressure pipe 511 fixed and communicated on the cross bar 51 through a pipeline, after the air bag 211 on one side of the cushion 21 is compressed, the internal pressure of the pressure pipe 511 connected with the air bag 211 can be changed, so that the interference acting force of the pressure pipe 511 on the inner side of the arc supporting plate 53 is larger, as the supporting plate 53 is connected with the cross bar 51 through the sliding plate 52, the sliding plate 52 and the supporting plate 53 can rotate relative to the cross bar 51, so that the partial acting force of the supporting plate 53 rotating to abut against the waist is larger, both sides can be used for supporting the waist simultaneously, under the condition that the stress of two air bags 211 is not uniform due to incorrect sitting posture, one half of the supporting plates 53 rotates to cause larger stress on one side, so as to remind the personnel on the seat to adjust the sitting posture, the neck cushion 4 is set into two sections and adopts the same mode as the waist support 5, 4 turned angle of neck pads are adjusted through the atress of gasbag 211, personnel remind this personnel to adjust the position of sitting under the condition of leaning against the seat on the seat, under the condition that gasbag 211 all is not atress in both sides, the air current in pressure pipe 511 in with pressure pipe 511 is forced feed to gasbag 211 again to make cushion 21 be full, for adapting to personnel's demand, can connect the valve in pipeline middle part, the switching through control flap is in order to open or close the warning function, 3 inboard fixed back lining 31 of back are the elasticity cloth, cushion 21 is located the gasbag 211 outside and adopts ventilative cloth cladding.

Claims

1. An adaptive office chair, includes support, its characterized in that: the support includes a supporting disk, and a supporting disk middle part sets up the through-hole, a supporting disk and branch fixed connection, the interior fixed connection motor of branch, the output shaft and the flabellum fixed connection of motor are located the flabellum top and are provided with and strain a section of thick bamboo, strain and rotate on the section of thick bamboo and be connected with a heating section of thick bamboo, the branch top is fixed and communicate with the lifting cylinder bottom, the lifting cylinder top is fixed with the frame of cushion below, the frame is including the many hack levers that are provided with the gas pocket.

2. An adaptive office chair as claimed in claim 1, wherein: the heating cylinder comprises a rotating cylinder which is rotatably arranged in the supporting rod, a slot which is fixed with the plug in the supporting rod is arranged on the outer side of the rotating cylinder, a spiral heating plate of which the outer end is fixed with the guide plate in the slot is fixed on the inner side of the rotating cylinder, and the motor and the plug are connected with a lead.

3. An adaptive office chair as claimed in claim 2, wherein: and a containing cavity is arranged above the spiral heating sheet in the rotary drum, a gap is reserved between the outer side of the containing cavity and the inner wall of the rotary drum, and the containing cavity is communicated with the adding hole in the side surface of the support rod through an adding pipe.

4. An adaptive office chair as claimed in claim 1, wherein: a plurality of air holes are formed in the side face of the supporting rod and located between the motor and the fan blades, and a plurality of spiral filter screens are fixedly connected in the filter cylinder.

5. An adaptive office chair as claimed in claim 4, wherein: filter screen middle part fixed connection montant, montant top and clearance pole fixed connection, the spacing pull ring of through-hole fixed connection on the clearance pole runs through branch, and the clearance pole slides in the through-hole.

6. An adaptive office chair according to claim 5, wherein: the lift cylinder comprises a fixed cylinder and a fixed cylinder, the fixed cylinder is coaxially and fixedly connected with the supporting rod, a sliding cylinder is slidably connected with the fixed cylinder, the sliding cylinder is coaxially and fixedly connected with the sliding cylinder, the sliding cylinder is attached to the fixed cylinder and slidably connected with the fixed cylinder, a compression spring with the top end abutting against the sliding cylinder is arranged in the fixed cylinder, the sliding cylinder is communicated with the inside of the frame, the bottom end of the sliding cylinder is fixedly connected with the frame through a connecting disc, and the fixed cylinder is connected with the sliding cylinder through a locking mechanism.

7. An adaptive office chair as claimed in claim 1, wherein: the frame is fixedly connected with a cushion, a handrail, a backrest and a neck pad, the frame is positioned at the rear side of the backrest and is connected with a cross rod in a sliding manner, and the cross rod is connected with a waist support in a sliding manner.

8. An adaptive office chair as claimed in claim 7, wherein: the waist holds in the palm the cross-section and descends the arc for the circular arc radius from bottom to top, and waist holds in the palm side fixed connection slide, and the slide slides on the horizontal pole, and the waist holds in the palm inboard and contradicts with the intraductal slide bar of the pressure pipe of fixing on the horizontal pole, and the pressure pipe passes through pipeline and the inside gasbag intercommunication of cushion in the frame.

9. An adaptive office chair as claimed in claim 8, wherein: the gasbag has two and two gasbags to set up respectively in the cushion left and right both sides, is provided with the spring in the pressure pipe.

10. An adaptive office chair as claimed in claim 9, wherein: the neck pad rotates to be connected on another fixed horizontal pole at frame top, and the inboard intraductal sliding slide bar in pressure that is fixed on this horizontal pole conflicts with the horizontal pole, and this pressure pipe and gasbag pass through the pipeline intercommunication in the frame.