A kind of multi-function ofice chair
Technical field
The present invention relates to office chair field, particularly relate to a kind of multi-function ofice chair.
Background technology
The purposes of general office chair is very limited, although have different types and improvement in various degree, all only for personnel's work and rest.The paces that advance along with the epoch, growth in the living standard, the material becoming increasingly abundant, people are no longer only satisfied with the demand of the daily basic means of subsistence.Thereby turned to higher enter high request and the high material consumption of enjoying of a level.
For the personnel of long-term use computer office, health is sitting in for a long time on office chair and handles official business or other operations by wrist and finger, the small of the back and shoulder neck load are excessive, overlong time, easily cause the occupational diseases such as cervical spondylopathy, lumbar muscular injury, protrusion of lumber intervertebral disc or back muscle strain, directly affect its work and life, be starved of regularly the small of the back and shoulder neck are performed physical exercise and maintained.On the other hand, more existing exercise equipment are often arranged on some special health centers or outdoor exercises place, and these personnel that keep good working hours are difficult to accomplish to carry out regularly for a long time exercise and the health care of the small of the back and shoulder neck in time and efforts.In this case, use computer office for a long time and crowd's quantity of causing the small of the back or shoulder neck to suffer from disease is on the increase, become a ubiquitous health problem.
At present, on market, also have some special health and fitness facilitieses that there are massage armchairs of shoulder back massage function and there is the small of the back exercise function, but existing these product functions are relatively single or and be not suitable for office and use.Though some body-building apparatus can auxiliary exercise, cannot be generalized in operating room because of space, matter of time.
Summary of the invention
The technical problem that the present invention mainly solves is to provide a kind of multi-function ofice chair, can change its requisite space according to individual human body type, even if in the time of work, this chair still can meet the needs of body-building.Can not take the working time, especially can meet the demand of vast indoor clerical workforce's body-building simultaneously.
For solving the problems of the technologies described above, the technical scheme that the present invention adopts is: a kind of multi-function ofice chair is provided, it comprises the cushion, handrail and the chair back that are fixed in chair frame, and the described chair back is provided with cushion below the roller massage device, the back that are being connected and knocks massage machine and back tilting device; Described roller massage device, back are knocked massage machine and are connected with the transmission device of described chair frame bottom with back tilting device, and obtain power from described transmission device; The end of described transmission device relies on backstay and side link to be connected with the step block that receives exterior power; Described step block with step on frame and be connected, and can swing around the described frame of stepping on.
Preferably, described transmission device mainly, take gear-linked and link transmission as main, comprising: interior axle connecting rod, expansion link, lower gear and cog; The power that described interior axle connecting rod obtains described step block reaches described expansion link; In the fixed cover of described expansion link matched in clearance on being fixed on described chair frame; Described expansion link is by the lower gear in a series of connecting rod connection teeth roller boxs; In described gear-box, be also equipped with and the cogging of lower gear engaged transmission.
Preferably, described back tilting device comprises: long connecting rod, pin-and-hole connecting rod and torque spring; Described long connecting rod is connected with the short connecting rod on described cogging by connecting foot lever; Described pin-and-hole connecting rod to the described chair back and the fixing main shaft of chair frame, is closely furnished with torque spring by long connecting rod interlock on described main shaft.
Preferably, on described pin-and-hole connecting rod, have pin-and-hole, described pin-and-hole is corresponding with the pin-and-hole on the described chair back, is coordinated and the described chair back can be fixed by angle of inclination by latch with pin-and-hole.
Preferably, described roller massage device comprises neck wheel, chair back wheel, band wheels, drive pulley, pore area just take turns, extend support and torque spring; Described drive pulley is just taken turns and is obtained power from the pore area of its below, and power is reached to the band wheels of cover poriferous zone, thereby drives described neck wheel and the rotation of chair back wheel; Described pore area just wheel is extended on support described in being fixed on through rotating shaft; Described pore area is just also welded with the short connecting rod that is synchronized with pore area and just takes turns rotation on wheel; Described short connecting rod is connected in described transmission device and is cogged by some connecting rods, described in the rotation that cogs can carry out instant reset by coaxial torque spring.
Preferably, described back is knocked massage machine and is comprised: loosening bar, switching shaft, W shape selector bar and curved rod; The described switching shaft that loosening bar is housed relies on the loosening bar axis at its center to be fixed on the described chair back; Described switching shaft connects the W shape selector bar of being fixed by back support rod by multiple connecting rods; The described W shape selector bar other end is by some curved rods cogging in described transmission device of linking.
Preferably, described loosening bar comprises being contained in and strikes hammer, cotton core and spring in valve jacket; Described loosening bar is connected with described switching shaft by striking bar.
Preferably, described pedal folding device comprises: pedal, slide bar, roller, pole, guide rod and guide bar support; Described pedal is loaded on described slide bar by sliding sleeve; Described slide bar can move forward and backward with its described roller in bottom; Described slide bar and sliding sleeve are by connecting some short connecting rod composition one or four bar linkages and being connected with described pole; On described pole, be equipped with in the guide groove that set bolt is anchored on described guide bar support center; The guide wheel that also sticks described guide rod upper end in described guide groove, lower end of the guide rod is fixed in chair frame; The roller of described guide bar support end can be in the draw-in groove at the bottom of described chair frame Free-rolling, complete the transverse shifting of described guide bar support.
The invention has the beneficial effects as follows: the several functions such as the small of the back exercise that multi-function ofice chair of the present invention is integrated, shoulder neck massaging and office chair, simple and easy to use; Multi-function ofice chair of the present invention has the outward appearance of conventional chair, can be placed in the relative narrow space such as study, office, and be placed in the massage machine at chair back place, start simple and convenient, can in carrying out the small of the back exercise and shoulder neck massaging, also can be taken exercise by shank, effectively save room and time, keep clerical workforce's physical and mental health.
Accompanying drawing explanation
Fig. 1 is that schematic diagram is looked on a kind of multi-function ofice chair of the present invention left side;
Fig. 2 is a kind of multi-function ofice chair front elevational schematic of the present invention;
Overall structure schematic diagram when Fig. 3 is the work of multi-function ofice chair back tilting device;
Overall structure schematic diagram when Fig. 4 is the work of multi-function ofice chair pedal folding device;
In accompanying drawing, the mark of each parts is as follows: 1, the chair back; 2, roller massage device; 3, massage machine is knocked at back; 4, back tilting device; 5, transmission device; 6, pedal folding device; 7, handrail; 8, cushion; 9, chair frame; 10, wheel shaft; 11, baffle plate; 12, step block; 13, backstay; 14, connecting rod; 15, step on frame; 20, neck wheel; 21, chair back wheel; 22, band wheels; 23, pore area; 24, drive pulley; 25, pore area is just taken turns; 26, the support of extending; 27, torque spring I; 28, short connecting rod; 30, strike bar; 31, switching shaft; 32, W shape transaxle; 33, curved rod; 34, loosening bar axis; 35, back support rod; 36, connecting rod; 40, long connecting rod; 41, pin-and-hole connecting rod; 42, torque spring II; 43, main shaft; 44, connect foot lever; 45, latch; 50, interior axle connecting rod; 51, expansion link; 52, lower gear; 53, cog; 54, gear-box; 55, fixed cover; 60, pedal; 61, slide bar; 62, roller; 63, pole; 64, guide rod; 65, guide bar support; 66, sliding sleeve; 67, set bolt; 301, strike hammer; 302, cotton core; 303, spring; 304, strike bar.
The specific embodiment
Below in conjunction with accompanying drawing, preferred embodiment of the present invention is described in detail, thereby so that advantages and features of the invention can be easier to be it will be appreciated by those skilled in the art that, protection scope of the present invention is made to more explicit defining.
Refer to Fig. 1 to Fig. 4, the embodiment of the present invention comprises:
A kind of multi-function ofice chair is provided, and it comprises the cushion 8, handrail 7 and the chair back 1 that are fixed in chair frame 9, and the described chair back 1 is provided with cushion 8 belows the roller massage device 2, the back that are being connected and knocks massage machine 3 and back tilting device 4; Described roller massage device 2, back are knocked massage machine 3 and are connected 5 with back tilting device 4 with the transmission device of described chair frame 9 bottoms, and obtain power from described transmission device 5; The end of described transmission device 5 relies on backstay 13 and side link 14 to be connected with the step block 12 that receives exterior power; Described step block 12 with step on frame 15 and be connected, and can swing around the described frame 15 of stepping on.
Described transmission device 5 mainly, take gear-linked and link transmission as main, comprising: interior axle connecting rod 50, expansion link 51, lower gear 52 and cog 53; The power that described interior axle connecting rod 50 obtains described step block 12 reaches described expansion link 51; In the fixed cover 55 of described expansion link 51 matched in clearance on being fixed on described chair frame 9; Described expansion link 51 is by the lower gear 52 of 54 li of a series of connecting rod connection teeth roller boxs; In described gear-box 54, be also equipped with lower gear 52 engaged transmission cog 53.
Described back tilting device 4 comprises: long connecting rod 40, pin-and-hole connecting rod 41, torque spring II 42 and steady pin 43; Described long connecting rod 40 is connected with the described connecting rod cogging on 53 by connecting foot lever 44; Described pin-and-hole connecting rod 41 links long connecting rod 40 to the fixing main shaft 43 of the described chair back 1 and chair frame 9, on described main shaft 43, is closely furnished with torque spring II 42.On described pin-and-hole connecting rod 41, have pin-and-hole, described pin-and-hole is corresponding with the pin-and-hole on the described chair back 1, coordinates the described chair back 1 can be fixed by angle of inclination by latch 45 with pin-and-hole.
Described roller massage device 2 comprises that neck wheel 20, chair back wheel 21, band wheels 22, drive pulley 24, pore area just take turns 25, extend support 26 and torque spring 27 I; Described drive pulley 24 is just taken turns 25 from the pore area of its below and is obtained power, and power is reached to the band wheels 22 of cover poriferous zone 23, thereby drives described neck wheel 20 and 21 rotations of chair back wheel; Described pore area just wheel 25 is extended on support 26 described in being fixed on through rotating shaft; Described pore area is just also welded with the short connecting rod 28 that is synchronized with just wheel 25 rotations of pore area on wheel 25; Described short connecting rod 28 is connected in described transmission device 5 and is cogged 53 by some connecting rods.Described 53 the rotation of cogging can be carried out instant reset by coaxial torque spring I 27.
Described back is knocked massage machine 3 and is comprised: loosening bar 30, switching shaft 31, W shape selector bar 32 and curved rod 33; The described switching shaft 31 that loosening bar 30 is housed relies on the loosening bar axis 34 at its center to be fixed on the described chair back 1; Described switching shaft 31 is connected and fixed on the W shape selector bar 32 in chair frame 9 by multiple connecting rods; Described W shape selector bar 32 other ends are linked and are cogged 53 in described transmission device 5 by some curved rods 33.Described loosening bar 30 comprises being contained in and striking hammer 301, cotton core 302 and spring 303 in valve jacket; Described loosening bar 30 is connected with described switching shaft 31 by striking bar 304.
Described pedal folding device 6 comprises: pedal 60, slide bar 61, roller 62, pole 63, guide rod 64 and guide bar support 65; Described pedal 60 is loaded on described slide bar 61 by sliding sleeve 66; Described slide bar 61 can move forward and backward with its described roller 62 in bottom; Described slide bar 61 and sliding sleeve 66 are by connecting some short connecting rod composition one or four bar linkages and being connected with described pole 63; On described pole 63, be equipped with in the guide groove that set bolt 67 is anchored on described guide bar support 65 centers; In described guide groove, also stick the guide wheel of described guide rod 64 upper ends, guide rod 64 lower ends are fixed in chair frame 9; The roller of described guide bar support 65 ends can be in the draw-in groove at 9 ends of described chair frame Free-rolling, complete the transverse shifting of described guide bar support 65.
In a kind of multi-function ofice chair use procedure of the present invention, pedal and trample piece by user, step block produces power around stepping on frame reciprocally swinging, by the cooperation of connecting rod in transmission device and gear, power is reached respectively to back tilting and knocks massage machine at, roller massage device and back.Each connecting rod in transfer motion power stretching back tilting device, top connecting rod drives the chair back to rotate around the main shaft of cushion, can use latch that the chair back is fixed after rotating to appropriate location.Extract latch, be subject to the torque spring effect on main shaft can make the chair back recover initial position; When power reaches roller massage device, utilize the rotation of pin joint in four-bar linkage motion just to take turns as powered rotation pore area, through belt wheel transmission, drive neck wheel and chair back wheel; Back knocking device is realized work by multiple connecting rod under power drive.Power is final to rotatable switching shaft through the transmission one by one of connecting rod, and because switching shaft can be around center rotating, that realizes that it strikes bar up and down back and forth beats action, realizes and beats function.
Because the back tilting device of a kind of multi-function ofice chair of the present invention can be adjusted to the chair back multiple angles, therefore the mode that adopts many connecting rods to connect in all transmission process, this many connecting rods connected mode is the distance problem between motivation of adjustment source and response element effectively, ensures that driving-chain also can well complete transmission work in the time that distance changes.Simultaneously multi-function ofice chair of the present invention is integrated several functions such as the small of the back exercise, shoulder neck massaging and office chair, simple and easy to use; It also has the outward appearance of conventional chair, can be placed in the relative narrow space such as study, office, and be placed in the massage machine at chair back place, start simple and convenient, can in carrying out the small of the back exercise and shoulder neck massaging, also can be taken exercise by shank, effectively save room and time, keep clerical workforce's physical and mental health.
The foregoing is only embodiments of the invention; not thereby limit the scope of the claims of the present invention; every equivalent structure or conversion of equivalent flow process that utilizes description of the present invention and accompanying drawing content to do; or be directly or indirectly used in other relevant technical fields, be all in like manner included in scope of patent protection of the present invention.