CN109602203A - A kind of chair with multi-faceted correcting sitting posture function - Google Patents
A kind of chair with multi-faceted correcting sitting posture function Download PDFInfo
- Publication number
- CN109602203A CN109602203A CN201910009381.2A CN201910009381A CN109602203A CN 109602203 A CN109602203 A CN 109602203A CN 201910009381 A CN201910009381 A CN 201910009381A CN 109602203 A CN109602203 A CN 109602203A
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- wheel
- sitting posture
- seat board
- spring
- belt wheel
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C9/00—Stools for specified purposes
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/002—Chair or stool bases
- A47C7/006—Chair or stool bases with castors
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C7/00—Parts, details, or accessories of chairs or stools
- A47C7/62—Accessories for chairs
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Abstract
The invention discloses a kind of chair with multi-faceted correcting sitting posture function, the cavity for installing correcting sitting posture mechanism is provided in chair body, correcting sitting posture mechanism is located in the cavity；The correcting sitting posture mechanism includes seat board, toothed disc, driving motor, pedestal and 8 walking mechanisms；The seat board is arranged at the top of pedestal by elastic supporting member for supporting optical member, and the bottom centre position of seat board is connected with clutch driving sphere；Gyrosensor is provided on seat board, for detecting the inclination conditions of seat board；Seat board periphery is connect by spring with chair body, and covers dirt-proof boot on spring and seat board；8 walking mechanisms are equidistantly evenly arranged on pedestal at circumference, after people's sitting posture deflection, seat board meeting run-off the straight, clutch when seat board tilts by its bottom drives sphere and 8 walking mechanisms that clutch action occurs, keep seat board adipping mobile, and then the moving buttocks of seat board band is also displaced to the direction, the body of people is then blocked by handrail, so that the sitting posture of people be made to align.
Description
Technical field
The invention belongs to chair technology fields, and in particular to a kind of chair with multi-faceted correcting sitting posture function.
Background technique
Currently, with the development of the society, mental labour human lives work in accounting it is increasing, bend over the desk in people
During work or study, it is very universal and the problem of people compare attention that whether sitting posture, which is rectified, especially long
Time bends over one's desk working and learns, and the proper of sitting posture is particularly important.If sitting posture is not rectified, it is easy to cause bow-backed, waist
The diseases such as discomfort, how to correct the sitting posture that people bend over one's desk working is current urgent problem to be solved.
In addition, existing chair is divided into provided with wheels and not provided with wheels two types, the chair of provided with wheels is easy to remove, still
It is not sufficiently stable.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of chairs with multi-faceted correcting sitting posture function
Son.
The present invention is achieved by the following technical solutions:
A kind of chair with multi-faceted correcting sitting posture function, including chair body are provided with for pacifying in chair body
The cavity of correcting sitting posture mechanism is filled, correcting sitting posture mechanism is located in the cavity；The correcting sitting posture mechanism includes seat board, gear
Disk, driving motor, pedestal and 8 walking mechanisms；
The seat board is arranged at the top of pedestal by elastic supporting member for supporting optical member, and the bottom centre position of seat board is connected with clutch drive
Dynamic sphere；Gyrosensor is provided on seat board, for detecting the inclination conditions of seat board；Seat board periphery passes through spring and chair sheet
Body connection, and dirt-proof boot is covered on spring and seat board；
8 walking mechanisms are equidistantly evenly arranged on pedestal at circumference, and each walking mechanism includes traveling wheel, transmission
The components such as band, belt wheel, belt wheel clutch drive rod, spring, outer sleeve, wherein the traveling wheel is rotatably installed on pedestal, belt wheel
It being rotatably installed on pedestal, belt wheel is located at the surface of traveling wheel, pass through transmission band connection before the shaft of belt wheel and traveling wheel,
The belt wheel clutch drive rod is horizontally arranged on pedestal, and being provided on the inside of the outer end of belt wheel clutch drive rod and belt wheel can
The driving cog being mutually twisted, clutch drive and are provided with protruding portion corresponding with belt wheel clutch drive rod inner end, protruding portion on sphere
Quantity be 8,8 protruding portions are corresponded with the inner end of 8 belt wheel clutch drive rods at circumference equidistantly distributed；It is described
Outer sleeve and pedestal are rotatablely installed, and belt wheel clutch drive rod is mounted in outer sleeve, sets along its length in outer sleeve lining
It is equipped with groove, is provided with the boss being slidably matched with the groove on belt wheel clutch drive rod, so that belt wheel clutch drive rod energy
It is enough to slide axially along outer sleeve, and outer sleeve being capable of the rotation of synchronous drive belt wheel clutch drive rod；The spring pocket is mounted in outer
In the belt wheel clutch drive rod rod segment of sleeve outer end, inside restoring force is provided for belt wheel clutch drive rod by spring, makes band
The inner end for taking turns clutch drive rod is contacted with clutch driving sphere, and the toothed disc is connect with motor output shaft；
Correcting sitting posture mechanism further includes the gear drive structure for driving outer sleeve rotation, the tooth of the driving outer sleeve rotation
Wheel drive structure is divided into two kinds, one is: bevel gear is fixedly mounted on outer sleeve, which engages with toothed disc, realizes
The rotation of gear dish driving outer sleeve；Another kind is: including the bevel gear being fixed on outer sleeve and being rotatably installed on pedestal
Two-sided bevel gear and Intermediate bevel gears, the two-sided bevel gear inner conical surface engaged with toothed disc, the male cone (strobilus masculinus) of two-sided bevel gear
It is engaged with Intermediate bevel gears, Intermediate bevel gears are engaged with the bevel gear being packed on outer sleeve, are changed by Intermediate bevel gears
To, make the bevel gear being fixed on outer sleeve steering it is opposite with the steering of two-sided bevel gear；Described two gear drive structures
It is arranged symmetrically, the direction of travel to guarantee two opposite walking mechanisms is consistent；
The structure of the traveling wheel is: described including central axis, driving wheel, housing, connecting spring, support rod, wheel valve
Driving wheel is fixedly mounted on center shaft, puts on be uniformly arranged 8 radial through-hole outside, and the quantity of the support rod is also 8,
It is separately mounted on outer set in 8 radial through-hole, support rod can be slided along the radial through-hole of housing, be provided in housing
Radial groove slideway is provided with the strip boss with the cooperation of groove slideway on support rod, is matched by groove slideway and strip boss
It closes, to limit the relative rotation between support rod and housing；The outer end of each support rod is fixedly connected with a wheel valve, and adjacent two
It is connected between support rod by connecting spring, provides inside restoring force for support rod by connecting spring, make support rod inner end
It is contacted with driving wheel；The driving wheel outer profile is evenly distributed with a wave crest, and when traveling wheel does not move, the inner end of support rod is located at
In cavity between wave crest, when the central axis of traveling wheel is driven, the inner end of support rod is driven the outside drive of the wave crest of driving wheel
Power makes the support rod radially protruding lower section distance of through-hole, to expand the wheel footpath of traveling wheel, thereby realizes only
There is the traveling wheel wheel footpath being driven expansion, entire correcting sitting posture mechanism is slightly promoted, to reduce remaining traveling wheel and row
Walk face friction.
In the above-mentioned technical solutions, dirt-proof boot is made of the cortical material folded.
In the above-mentioned technical solutions, rotating member is set on belt wheel clutch drive rod, and one end of spring is contacted with pedestal, bullet
The other end of spring is contacted with the rotating member, guarantees opposite to turn between spring and belt wheel clutch drive rod by the rotating member
It is dynamic, avoid spring and pedestal and belt wheel clutch drive rod friction.
In the above-mentioned technical solutions, toothed disc is rotatably installed on pedestal, and the shaft of toothed disc and the output shaft of motor are logical
Bevel-gear sett connection is crossed, realizes the rotation of motor-driven gear disk.
In the above-mentioned technical solutions, the top center of the wave crest of driving wheel is provided with protrusion, for support rod
It is limited, prevents support rod from slipping over wave crest.
In the above-mentioned technical solutions, sub- wheel is provided on the wheel valve, the wheel face of sub- wheel protrudes 1mm than taking turns the wheel face of valve.
In the above-mentioned technical solutions, four wheeled support legs with self-locking function, packet is arranged in the bottom of chair body
Supporting leg, sleeve, support spring, wheel, wheel shaft, axle bracket, interior bar are included, the bottom of supporting leg has extension diameter section, this is expanding
Section is slidably mounted in sleeve, and in the setting of sleeve upper port for preventing the extension diameter section of supporting leg from being detached from the limit of sleeve
Part, the locating part have inner edge, and the internal diameter of inner edge is less than the outer diameter of extension diameter section, prevent the extension diameter section of supporting leg from being detached to play
The effect of sleeve；The extension diameter section bottom end of supporting leg is arranged in interior bar, and the diameter of interior bar is less than extension diameter section diameter, the support spring
It is sleeved in the interior bar, there is the limit inner edge for limited support spring in the bottom nozzle of sleeve, to make support spring quilt
It is limited between supporting leg bottom extension diameter section and the limit inner edge of sleeve bottom end mouth；The axle bracket is fixed at sleeve bottom
Portion, wheel shaft are mounted on axle bracket, and wheel is mounted on wheel shaft, and the bottom end of interior bar is provided with the fixed plug of rubber material,
When chair bears load, supporting leg bottom extension diameter section compresses support spring, and interior bar moves down, and makes the fixed plug contact of interior bar bottom
Wheel, to realize to the self-locking of wheel；When chair is unmanned to be taken, due to the elastic force of support spring, so interior bar bottom
Fixed plug will not contact wheel, and wheel can be freely rotated.
The advantages and benefits of the present invention are:
Chair of the invention has the function of correcting sitting posture, can carry out multi-faceted correction by the sitting posture to people automatically.In addition, this
The chair of invention also has self-locking function, when chair bears load, can lock wheel, guarantee the stabilization of chair.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the chair with multi-faceted correcting sitting posture function of the invention.
Fig. 2 is the structural schematic diagram of correcting sitting posture mechanism.
Fig. 3 is the elevational schematic view of correcting sitting posture mechanism.
Fig. 4 is the structural schematic diagram of the traveling wheel in embodiment one.
Fig. 5 is the partial structural diagram of the traveling wheel in embodiment one.
Fig. 6 is the partial structural diagram of the traveling wheel in embodiment one.
Fig. 7 is the structural schematic diagram of the traveling wheel in embodiment two.
Fig. 8 is the partial structural diagram of the traveling wheel in embodiment two.
Fig. 9 is the structural schematic diagram of the wheeled support legs with self-locking function in embodiment three.
Figure 10 is the A of Fig. 9 to cross-sectional view.
It for those of ordinary skill in the art, without creative efforts, can be according to above attached
Figure obtains other relevant drawings.
Specific embodiment
In order to enable those skilled in the art to better understand the solution of the present invention, combined with specific embodiments below furtherly
Bright technical solution of the present invention.
Embodiment one
Referring to attached drawing 1-6, a kind of chair with multi-faceted correcting sitting posture function, including chair body.
The cavity for installing correcting sitting posture mechanism 6 is provided in chair body, correcting sitting posture mechanism 6 is located at the cavity
In；The correcting sitting posture mechanism 6 includes seat board 61, toothed disc 62, driving motor 63, pedestal 64 and 8 walking mechanism 65.
The seat board 61 is arranged by elastic supporting member for supporting optical member 611 at 64 top of pedestal, and the bottom centre position of seat board is connected with
One clutch drives sphere 66；Gyrosensor is provided on seat board, for detecting the inclination conditions of seat board；61 periphery of seat board passes through
Spring 69 is connect with chair rack, and dirt-proof boot is covered on spring and seat board, and dirt-proof boot is made of the cortical material folded,
Make dirt-proof boot that there is certain retractility in this way, first effect of dirt-proof boot is to prevent dust from entering correcting sitting posture mechanism
In, second effect is preferably to cooperate the running of correcting sitting posture mechanism, when people leaves chair, spring meeting using its retractility
Seat board is set to keep in the center.
8 walking mechanisms 65 are equidistantly evenly arranged on pedestal at circumference, each walking mechanism include traveling wheel 651,
The components such as transmission belt 652, belt wheel 653, belt wheel clutch drive rod 654, spring 655, outer sleeve 656, wherein the traveling wheel
651 are rotatably installed on pedestal, and belt wheel 653 is rotatably installed on pedestal, and belt wheel is located at the surface of traveling wheel, belt wheel and walking
Pass through transmission belt 652 before the shaft of wheel to connect, the belt wheel clutch drive rod 654 is horizontally arranged on pedestal, belt wheel clutch
The outer end of drive rod 654 and the inside of belt wheel 653 are provided with the driving cog that can be mutually twisted, and are arranged on clutch driving sphere 66
There is protruding portion 661 corresponding with belt wheel clutch drive rod inner end, the quantity of protruding portion 661 is 8, and 8 protruding portions are at circumference etc.
Spacing distribution is corresponded with the inner end of 8 belt wheel clutch drive rods；The outer sleeve 656 is rotatablely installed with pedestal, belt wheel from
It closes drive rod to be mounted in outer sleeve, in outer sleeve lining, (axial direction) setting is fluted along its length, drives in belt wheel clutch
The boss being slidably matched with the groove is provided in lever, so that belt wheel clutch drive rod can slide axially along outer sleeve, and
And outer sleeve being capable of the rotation of synchronous drive belt wheel clutch drive rod；The spring 655 is sleeved on the belt wheel clutch of outer sleeve outer end
In drive rod rod segment, inside restoring force is provided for belt wheel clutch drive rod by spring, makes the inner end of belt wheel clutch drive rod
It is contacted with clutch driving sphere, further, rotating member 6551, one end of spring and base is set on belt wheel clutch drive rod
Bridge joint touching, the other end of spring are contacted with the rotating member, guarantee energy between spring and belt wheel clutch drive rod by the rotating member
It is enough to relatively rotate, avoid spring and pedestal and belt wheel clutch drive rod friction.
The toothed disc 62 and motor 63 export axis connection (toothed disc is rotatably installed on pedestal, the shaft of toothed disc with
The output shaft of motor is connected by bevel-gear sett, realizes the rotation of motor-driven gear disk).
Further, correcting sitting posture mechanism 6 further includes the gear drive structure for driving outer sleeve rotation, the driving housing
The gear drive structure of cylinder rotation is divided into two kinds, one is: bevel gear 671, the bevel gear and tooth are fixedly mounted on outer sleeve
Wheel disc 62 engages, and realizes the rotation of gear dish driving outer sleeve；Another kind is: including be fixed on outer sleeve bevel gear 681, with
And the two-sided bevel gear 682 on pedestal and Intermediate bevel gears 683 are rotatably installed in, two-sided 682 inner conical surface of bevel gear and tooth
Wheel disc 62 engages, and the male cone (strobilus masculinus) of two-sided bevel gear 682 engages with Intermediate bevel gears 683, Intermediate bevel gears 683 be packed in housing
Bevel gear 681 on cylinder engages, and is commutated by Intermediate bevel gears, makes the steering of the bevel gear being fixed on outer sleeve and double
The steering of face cone gear is opposite；Described two gear drive structures are arranged symmetrically, i.e., two kinds of gear drive structures are separately positioned on
On two opposite outer sleeves, it can guarantee that the direction of travel of two opposite walking mechanisms is consistent in this way.
The working principle of correcting sitting posture mechanism is as follows:
When people is just sitting on seat board, seat board not run-off the straight substantially, correcting sitting posture mechanism is failure to actuate at this time；When people's sitting posture
After deflection, seat board meeting run-off the straight, after being tilted beyond given threshold, controller thinks that the sitting posture of user needs to adjust, at this point,
Seat board inclination drive clutch driving sphere movement, when seat board inclination to a certain extent after, clutch drive sphere protruding portion due to
Position changes, and will lead to belt wheel clutch drive rod and moves inward under the action of the spring, makes belt wheel clutch drive rod outer end
It is separated with belt wheel；But the two belt wheel clutch drive rod positions perpendicular with seat board inclined direction are substantially motionless, so when electricity
When machine starts, only the two belt wheel clutch drive rods can driving pulley rotation, and then entire correcting sitting posture mechanism can be made
Adipping is mobile, to reach correcting sitting posture purpose.Such as: after user's sitting posture deviates to a certain degree to the left, seat board by
Power is tilted to the left, and seat board drives clutch driving sphere movement, and (this tilt angle is preset as opening for motor after inclination to a certain extent
Dynamic threshold value), remaining belt wheel clutch drive rod other than former and later two opposite belt wheel clutch drive rods inwardly acts and band
Wheel separation makes former and later two opposite belt wheel clutch drive rod driving pulleys, makes seat board to the left at this point, controller starts motor
Movement is (it should be noted that will also realize seat board to the left in conjunction with the positive and negative rotation of motor or move right, for example, motor rotates forward
When seat board be moved to the left, then seat board then moves right when motor reversal, that is to say, that controller is according to the inspection of gyrosensor
Inclined direction is surveyed, the positive/negative steering of motor is controlled, finally makes seat board adipping mobile), when seat board is moved to the left, seat board
Buttocks is made one also to left dislocation, and the body of people is then blocked by handrail, so that the sitting posture of people be made to align.It should be noted that work
When, seat board is not to movement in front of seat, i.e., when seat board turns forward (the buttocks center of people is immediately ahead of seat board), controller is not
Start motor, this is because even if seat board travels forward, then the function of correcting sitting posture is not had yet, because chair front does not have
Stop the body of energy righting people.
Further, correcting sitting posture mechanism has individual control system, and control system can be set in seat board.
Referring to attached drawing 4-6, the structure of the traveling wheel is: including central axis a, driving wheel b, housing c, connecting spring d,
Support rod e, valve f is taken turns, the driving wheel b is fixedly mounted on central axis a, and 8 radial through-hole, institute have been uniformly arranged on housing c
The quantity for stating support rod e is also 8, is separately mounted on outer set in 8 radial through-hole, support rod can be along the radial direction of housing
Through-hole sliding, further, is provided with radial groove slideway c1 in housing, is provided on support rod and cooperates with groove slideway
Strip boss e1, cooperated by groove slideway and strip boss, to limit the relative rotation between support rod and housing；Each
The outer end of support rod e is fixedly connected with a wheel valve f, is connected between two adjacent support rods by connecting spring d, by connecting bullet
Spring provides inside restoring force for support rod, contacts support rod inner end with driving wheel b；The driving wheel b approximation flower type drives
Driving wheel outer profile is evenly distributed with 8 wave crests, and when traveling wheel does not move, the inner end of support rod is in the cavity between wave crest,
When the central axis of traveling wheel is driven, the inner end of support rod be driven the wave crest of driving wheel to outside force, make support rod along diameter
The traveling wheel being only driven is thereby realized to the protruding lower section distance of through-hole to expand the wheel footpath of traveling wheel
Wheel footpath expands, and entire correcting sitting posture mechanism is slightly promoted, to reduce remaining traveling wheel and walking surface friction.
Further, the top center of wave crest is provided with raised a1, for limiting support rod, prevents from propping up
Strut slips over wave crest.
Embodiment two
Referring to attached drawing 7-8, further, sub- wheel f1 is additionally provided on the wheel valve f of traveling wheel, the wheel face of sub- wheel f1 is than wheel
The wheel face of valve f protrudes 1mm；It can make traveling wheel that there is certain axial rolling ability using the son wheel f1 on wheel valve, it is such
Benefit is: when correcting sitting posture mechanism kinematic, even if the traveling wheel being not driven and walking face contact, then it takes turns the son on valve
Wheel can also reduce the frictional force between walking surface.
Embodiment three
Referring to attached drawing 9-10, there are four the wheeled support legs 2 with self-locking function, each tools for the bottom setting of chair body
The wheeled support legs 2 for having self-locking function include supporting leg 21, sleeve 22, support spring 23, wheel 24, wheel shaft 25, axle bracket
26, the bottom of interior bar 27, the supporting leg 21 has extension diameter section 211, which is slidably mounted in sleeve 22, and is covering
The setting of cylinder upper port is for preventing the extension diameter section of supporting leg from being detached from the locating part 28 of sleeve, which has inner edge, inner edge
Internal diameter is less than the outer diameter of extension diameter section, to play the role of preventing the extension diameter section of supporting leg to be detached from sleeve；The interior bar 27 is arranged
In the extension diameter section bottom end of supporting leg, the diameter of interior bar 27 is less than 211 diameter of extension diameter section, and the support spring set 23 is mounted in the interior bar
On 27, there is the limit inner edge 221 for limited support spring in the bottom nozzle of sleeve, so that support spring 23 be made to be limited in
Between supporting leg bottom extension diameter section 211 and the limit inner edge 221 of sleeve bottom end mouth；The axle bracket 26 is fixed at sleeve
Bottom, wheel shaft 25 are mounted on axle bracket, and wheel 24 is mounted on wheel shaft, and the bottom end of interior bar is provided with consolidating for rubber material
Surely 29 are filled in, when chair bears load, supporting leg bottom extension diameter section compresses support spring, and interior bar moves down, and makes consolidating for interior bar bottom
Surely 29 contact wheel 24 of plug, to realize to the self-locking of wheel；When chair is unmanned to be taken, due to the elastic force of support spring, institute
Wheel will not be contacted with the fixed plug of interior bar bottom, wheel can be freely rotated.
Illustrative description has been done to the present invention above, it should explanation, the case where not departing from core of the invention
Under, any simple deformation, modification or other skilled in the art can not spend the equivalent replacement of creative work equal
Fall into protection scope of the present invention.
Claims (7)
1. a kind of chair with multi-faceted correcting sitting posture function, it is characterised in that: including chair body, be arranged in chair body
There is the cavity for installing correcting sitting posture mechanism, correcting sitting posture mechanism is located in the cavity；The correcting sitting posture mechanism includes seat
Plate, toothed disc, driving motor, pedestal and 8 walking mechanisms；
The seat board is arranged at the top of pedestal by elastic supporting member for supporting optical member, and the bottom centre position of seat board is connected with clutch driving ball
Body；Gyrosensor is provided on seat board, for detecting the inclination conditions of seat board；Seat board periphery is connected by spring and chair body
It connects, and covers dirt-proof boot on spring and seat board；
8 walking mechanisms are equidistantly evenly arranged on pedestal at circumference, and each walking mechanism includes traveling wheel, transmission belt, band
The components such as wheel, belt wheel clutch drive rod, spring, outer sleeve, wherein the traveling wheel is rotatably installed on pedestal, belt wheel rotation
It is mounted on pedestal, belt wheel is located at the surface of traveling wheel, passes through transmission band connection before the shaft of belt wheel and traveling wheel, described
Belt wheel clutch drive rod is horizontally arranged on pedestal, and being provided on the inside of the outer end of belt wheel clutch drive rod and belt wheel can be mutual
The driving cog of occlusion, clutch drive and are provided with protruding portion corresponding with belt wheel clutch drive rod inner end, the number of protruding portion on sphere
Amount is 8, and 8 protruding portions are corresponded at circumference equidistantly distributed with the inner end of 8 belt wheel clutch drive rods；The housing
Cylinder is rotatablely installed with pedestal, and belt wheel clutch drive rod is mounted in outer sleeve, is provided with along its length in outer sleeve lining
Groove is provided with the boss being slidably matched with the groove on belt wheel clutch drive rod, so that belt wheel clutch drive rod being capable of edge
Outer sleeve slides axially, and outer sleeve being capable of the rotation of synchronous drive belt wheel clutch drive rod；The spring pocket is mounted in outer sleeve
In the belt wheel clutch drive rod rod segment of outer end, provide inside restoring force by spring for belt wheel clutch drive rod, make belt wheel from
The inner end for closing drive rod is contacted with clutch driving sphere, and the toothed disc is connect with motor output shaft；
Correcting sitting posture mechanism further includes the gear drive structure for driving outer sleeve rotation, and the gear of the driving outer sleeve rotation drives
Dynamic structure is divided into two kinds, one is: bevel gear is fixedly mounted on outer sleeve, which engages with toothed disc, realizes gear
The rotation of dish driving outer sleeve；Another kind is: including the bevel gear being fixed on outer sleeve and being rotatably installed in double on pedestal
Face cone gear and Intermediate bevel gears, the two-sided bevel gear inner conical surface are engaged with toothed disc, and the male cone (strobilus masculinus) of two-sided bevel gear is in
Between bevel gear engage, Intermediate bevel gears engage with the bevel gear being packed on outer sleeve, are commutated by Intermediate bevel gears, made
The steering for being fixed on the bevel gear on outer sleeve is opposite with the steering of two-sided bevel gear；Described two symmetrical cloth of gear drive structure
It sets, the direction of travel to guarantee two opposite walking mechanisms is consistent.
The structure of the traveling wheel is: including central axis, driving wheel, housing, connecting spring, support rod, wheel valve, the driving
Wheel is fixedly mounted on center shaft, puts on be uniformly arranged 8 radial through-hole outside, and the quantity of the support rod is also 8, respectively
In 8 radial through-hole of installation on the coat, support rod can be slided along the radial through-hole of housing, and radial direction is provided in housing
Groove slideway is provided with the strip boss with the cooperation of groove slideway on support rod, is cooperated by groove slideway and strip boss, with
Limit the relative rotation between support rod and housing；The outer end of each support rod is fixedly connected with a wheel valve, two adjacent supports
It is connected between bar by connecting spring, provides inside restoring force for support rod by connecting spring, make support rod inner end and driven
Driving wheel contact；The driving wheel outer profile is evenly distributed with a wave crest, and when traveling wheel does not move, the inner end of support rod is located at wave crest
Between cavity in, when the central axis of traveling wheel is driven, the inner end of support rod be driven the wave crest of driving wheel to outside force,
Make the support rod radially protruding lower section distance of through-hole, to expand the wheel footpath of traveling wheel, thereby realize only by
The traveling wheel wheel footpath of driving expands, and entire correcting sitting posture mechanism is slightly promoted, to reduce remaining traveling wheel and walking surface
Friction.
2. the chair according to claim 1 with multi-faceted correcting sitting posture function, it is characterised in that: dirt-proof boot is by folding
Cortical material composition.
3. the chair according to claim 1 with multi-faceted correcting sitting posture function, it is characterised in that: driven in belt wheel clutch
Rotating member is set in lever, and one end of spring is contacted with pedestal, and the other end of spring is contacted with the rotating member, passes through the rotating member
Guarantee to be relatively rotatable to each other between spring and belt wheel clutch drive rod, avoids spring and pedestal and belt wheel clutch drive rod friction.
4. the chair according to claim 1 with multi-faceted correcting sitting posture function, it is characterised in that: toothed disc rotation peace
On pedestal, the shaft of toothed disc and the output shaft of motor are connected by bevel-gear sett, realize that motor-driven gear disk turns
It is dynamic.
5. the chair according to claim 1 with multi-faceted correcting sitting posture function, it is characterised in that: in the wave of driving wheel
The top center at peak is provided with protrusion, for limiting to support rod, prevents support rod from slipping over wave crest.
6. the chair according to claim 1 with multi-faceted correcting sitting posture function, it is characterised in that: set on the wheel valve
It is equipped with sub- wheel, the wheel face of sub- wheel protrudes 1mm than taking turns the wheel face of valve.
7. the chair according to claim 1 with multi-faceted correcting sitting posture function, it is characterised in that: the bottom of chair body
Four wheeled support legs with self-locking function are arranged in portion comprising supporting leg, sleeve, support spring, wheel, wheel shaft, wheel shaft
The bottom of bracket, interior bar, supporting leg has extension diameter section, which is slidably mounted in sleeve, and sets in sleeve upper port
The locating part for preventing the extension diameter section of supporting leg from being detached from sleeve is set, which has inner edge, and the internal diameter of inner edge is less than expanding
The outer diameter of section, to play the role of preventing the extension diameter section of supporting leg to be detached from sleeve；The extension diameter section bottom of supporting leg is arranged in interior bar
The diameter at end, interior bar is less than extension diameter section diameter, and the support spring is sleeved in the interior bar, has in the bottom nozzle of sleeve and is used for
The limit inner edge of limited support spring, so that support spring be made to be limited in the limit of supporting leg bottom extension diameter section and sleeve bottom end mouth
Between the inner edge of position；The axle bracket is fixed at sleeve bottom, and wheel shaft is mounted on axle bracket, and wheel is mounted on wheel shaft
On, the bottom end of interior bar is provided with the fixed plug of rubber material, when chair bears load, supporting leg bottom extension diameter section compression branch
Spring is supportted, interior bar moves down, and makes the fixed plug contact wheel of interior bar bottom, to realize to the self-locking of wheel；When chair, nobody multiplies
When seat, due to the elastic force of support spring, so the fixed plug of interior bar bottom will not contact wheel, wheel can be freely rotated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910009381.2A CN109602203A (en) | 2019-01-04 | 2019-01-04 | A kind of chair with multi-faceted correcting sitting posture function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910009381.2A CN109602203A (en) | 2019-01-04 | 2019-01-04 | A kind of chair with multi-faceted correcting sitting posture function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109602203A true CN109602203A (en) | 2019-04-12 |
Family
ID=66015615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910009381.2A Withdrawn CN109602203A (en) | 2019-01-04 | 2019-01-04 | A kind of chair with multi-faceted correcting sitting posture function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109602203A (en) |
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Application publication date: 20190412 |