CN109730466A - Library's tables and chairs system - Google Patents
Library's tables and chairs system Download PDFInfo
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- CN109730466A CN109730466A CN201910008818.0A CN201910008818A CN109730466A CN 109730466 A CN109730466 A CN 109730466A CN 201910008818 A CN201910008818 A CN 201910008818A CN 109730466 A CN109730466 A CN 109730466A
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- chair
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- rod
- seat board
- control system
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Abstract
The invention discloses a kind of library tables and chairs systems, including chair body, desk ontology, the chair position regulating and controlling mechanism and control system for being located at desk bottom or desk side for regulating and controlling chair；The chair body includes chair rack, is driven folding seat back arm mechanism；Set-up of control system is in desk bottom, campus card inductor is provided on desk, campus card inductor is connect with control system, control system is also connect with server, when work, the campus card account information that campus card inductor is read is sent to server by control system, since server carries out authentication to account information, and authentication result is fed back into control system, control system controls chair position regulating and controlling mechanism according to authentication result and is driven folding seat back arm mechanism action, if authenticated successfully, then control system controls the movement of chair position regulating and controlling mechanism first, chair is set to stretch out desk.
Description
Technical field
The invention belongs to library apparatus technical fields, and in particular to a kind of library's tables and chairs system.
Background technique
As serious hope of the mankind to knowledge is more and more stronger, thus be just born library this kind of books are all concentrated on one
The place risen, all at least libraries, present almost all of university, but there is also one for the library in university now
A little problems, such as superior eigenvalue are serious, and student after finishing watching book is disinclined to stool to withdraw, and there are also the incorrect sitting postures for being exactly student to ask
Topic.
Summary of the invention
It is an object of the invention to overcome the deficiencies of the prior art and provide a kind of library tables and chairs systems, with net
The characteristics of upper reservation, scanning are taken a seat, automatic deploying and retracting stool and automatic straightening sitting posture.
The present invention is achieved by the following technical solutions:
A kind of library's tables and chairs system, including chair body, desk ontology, for regulate and control chair be located at desk bottom or
It is the chair position regulating and controlling mechanism and control system of desk side；
The chair body includes chair rack and is driven folding seat back arm mechanism, it is described be driven it is foldable
Seat back arm mechanism include backrest, arm rest cross bar, handrail upright bar, first motor, rotating disk, telescopic device, the bottom of backrest
It is rotatably installed in chair rack by shaft, the tail end of arm rest cross bar is hinged on by back, the front end of arm rest cross bar and handrail
One end of upright bar is hinged, and the other end and chair rack of handrail upright bar are hinged, and the first motor is mounted on chair rack side,
Rotating disk is fixedly mounted on the output shaft of first motor, and telescopic device includes sleeve and is slidably arranged in flexible in sleeve
The sleeve of bar, telescopic device is fixedly mounted on the rotating pan, and the top of the telescopic rod of telescopic device and backrest are hinged；
For the set-up of control system in desk bottom, control system can control the movement of chair position regulating and controlling mechanism and chair
Seat back arm mechanism action；Campus card inductor is provided on desk, campus card inductor is connect with control system, control
System is also connect with server, and when work, the campus card account information that campus card inductor is read is sent to clothes by control system
Authentication result since server carries out authentication to account information, and is fed back to control system, control system root by business device
According to authentication result control chair position regulating and controlling mechanism and it is driven folding seat back arm mechanism action, if authenticated successfully,
Then control system controls the movement of chair position regulating and controlling mechanism first, and chair is made to stretch out desk, and it is dynamic then to control seat back arm mechanism
Make, opens seat back arm；
Server can also be communicated with User cell phone application, and student is registered as user by cell phone application, in use,
Student sends the request of reservation seating assignments by cell phone application to server, and after reserving successfully, server retains a timing for it
Between, interior during detention, if server receives the card using information for the other users that control system is sent, certification cannot lead to
It crosses.
In the above-mentioned technical solutions, control system is also connected with the control switch that desk bottom is withdrawn for controlling chair,
The switch is arranged on desk, when people leaves, presses the control switch, control system controls seat back arm mechanism and folds, so
Control chair position regulating and controlling mechanism makes chair return afterwards.
In the above-mentioned technical solutions, the chair position regulating and controlling mechanism comprising sliding block, the connection for connecting chair
Bar, guide rail, screw rod, the second motor and position detecting switch；Guide rail level is fixed at desk bottom, screw rod water
Flat to be rotatably installed in desk bottom, guide rail and screw rod are parallel to each other, one end connection of second motor and screw rod, sliding block
It is mounted in guide rail and screw rod, is rotated by the second motor driven screw rod, screw rod drives sliding block translational motion, connecting rod
One end is connect with sliding block, and the other end of connecting rod is connect with chair, to realize that sliding block drives chair motion by connecting rod；Institute
The quantity for stating position detecting switch is two, is separately positioned on the both ends of screw rod, for detecting whether sliding block moves in place, works as cunning
After block trigger position detection switch, the second motor stops.
In the above-mentioned technical solutions, the chair position regulating and controlling mechanism include slider, the connecting rod for connecting chair,
Sliding channel, coil column, locking device and position detecting switch, the sliding channel are a hollow cylinder, and the slider is sliding
Dynamic to be mounted in hollow cylinder, one end of connecting rod is connect with slider, and the other end of connecting rod is connect with chair, and in cunning
The hollow cylinder surface in dynamic channel is grown along it to the through slot passed through for connecting rod is provided with, and the coil column is a cylinder,
Wound around coil on cylinder, the quantity of coil column are four, are distributed in outside sliding channel, the center of circle of four coil columns just constitutes one
A square；Slider middle section is cylindrical shape, and both ends are truncated conical shapes, and there is a groove in the centre of rotary table and cylinder,
Groove effect is to mutually carve with the clamp in locking device, and slider also has a layer line circle, is to generate with coil column
Magnetic field interaction, so as to movement；The sliding channel, coil column are that level is fixed at desk bottom, described
Locking device includes two, and two locking devices are symmetricly set on the rear and front end of sliding channel, the locking device by clamp,
Permanent magnet, spring composition, the front end of clamp are inwardly projecting clamp, are hinged on desk in the middle part of clamp, and in hinged place
Return spring is set, and for keeping the inside snap action of clamp, the end of clamp is connect by spring with permanent magnet, utilizes electromagnetism
Effect controls the opening and tightening of clamp, and when permanent magnet and the mutual magneticaction of slider, permanent magnet, which will drive spring, to be made
The end of clamp is inwardly tightened, so that the clamp end of clamp is flared out, unclamps slider；The quantity of the position detecting switch
It is two, the both ends of sliding channel is separately positioned on, for detecting whether slider is caught in clamp.
In the above-mentioned technical solutions, chair further includes correcting sitting posture mechanism, is provided in chair rack for installing sitting posture
The cavity of correction mechanism, correcting sitting posture mechanism are located in the cavity；The correcting sitting posture mechanism includes seat board, pedestal, wheel, wheel
Axis, driving motor；The seat board is arranged at the top of pedestal by elastic supporting member for supporting optical member, and the bottom of seat board also passes through shaft and pedestal connects
It connects, the shaft is longitudinally disposed along chair；Gyrosensor is set on seat board, for detecting the inclination conditions of seat board；Outside seat board
It encloses and is connect by spring with chair rack, and cover dirt-proof boot on spring and seat board；Wheel shaft is disposed longitudinally on base along chair
In frame, wheel is mounted on wheel shaft both ends, and the driving motor is arranged inside pedestal, and the output shaft of driving motor and wheel shaft are logical
Cross transmission mechanism connection.
In the above-mentioned technical solutions, chair further includes correcting sitting posture mechanism, is provided in chair rack for installing sitting posture
The cavity of correction mechanism, correcting sitting posture mechanism are 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, the bottom centre position of seat board
It sets and is connected with clutch driving sphere；Gyrosensor is provided on seat board, for detecting the inclination conditions of seat board；Seat board periphery
It is connect by spring with chair rack, and covers dirt-proof boot on spring and seat board；8 walking mechanisms are between circumference etc.
Away from being evenly arranged on pedestal, each walking mechanism includes traveling wheel, transmission belt, belt wheel, belt wheel clutch drive rod, spring, outer sleeve
Equal components, wherein the traveling wheel is rotatably installed on pedestal, and belt wheel is rotatably installed on pedestal, and belt wheel is located at traveling wheel
Pass through transmission band connection before the shaft of surface, belt wheel and traveling wheel, the belt wheel clutch drive rod is horizontally arranged at pedestal
On, the driving cog that can be mutually twisted is provided on the inside of the outer end of belt wheel clutch drive rod and belt wheel, clutch drives on sphere
It is provided with protruding portion corresponding with belt wheel clutch drive rod inner end, the quantity of protruding portion is 8, and 8 protruding portions are between circumference etc.
Away from distribution, corresponded with the inner end of 8 belt wheel clutch drive rods；The outer sleeve and pedestal are rotatablely installed, and belt wheel clutch is driven
Lever is mounted in outer sleeve, is arranged along its length in outer sleeve lining fluted, is arranged on belt wheel clutch drive rod
There is the boss being slidably matched with the groove, so that belt wheel clutch drive rod can slide axially along outer sleeve, and outer sleeve energy
Enough synchronous drive belt wheel clutch drive rod rotations；The spring pocket is mounted in the belt wheel clutch drive rod rod segment of outer sleeve outer end,
Inside restoring force is provided for belt wheel clutch drive rod by spring, the inner end of belt wheel clutch drive rod and clutch is made to drive sphere
Contact, the toothed disc are connect with motor output shaft；Correcting sitting posture mechanism further includes the gear driving knot for driving outer sleeve rotation
The gear drive structure of structure, the driving outer sleeve rotation is divided into two kinds, one is: bevel gear is fixedly mounted on outer sleeve,
The bevel gear engages with toothed disc, realizes the rotation of gear dish driving outer sleeve；Another kind is: including the cone being fixed on outer sleeve
Gear and two-sided bevel gear and the Intermediate bevel gears being rotatably installed on pedestal, the two-sided bevel gear inner conical surface and gear
Disk engagement, the male cone (strobilus masculinus) of two-sided bevel gear are engaged with Intermediate bevel gears, Intermediate bevel gears and the bevel gear being packed on outer sleeve
Engagement, is commutated by Intermediate bevel gears, makes the steering for the bevel gear being fixed on outer sleeve and the steering of two-sided bevel gear
On the contrary；Described two gear drive structures are arranged symmetrically, and the direction of travel to guarantee two opposite walking mechanisms is consistent.Into one
Step, dirt-proof boot is made of the cortical material folded, so that dirt-proof boot has certain retractility.
In the above-mentioned technical solutions, the structure of the traveling wheel is: including central axis, driving wheel, housing, connection bullet
Spring, support rod, wheel valve, the driving wheel is fixedly mounted on center shaft, puts on be uniformly arranged 8 radial through-hole outside, described
The quantity of support rod is also 8, is separately mounted on outer set in 8 radial through-hole, and support rod can be logical along the radial direction of housing
Hole sliding, is provided with radial groove slideway in housing, and the strip boss with the cooperation of groove slideway is provided on support rod, is passed through
Groove slideway and the cooperation of strip boss, to limit the relative rotation between support rod and housing；The outer end of each support rod is fixed
Valve is taken turns in connection one, is connected between two adjacent support rods by connecting spring, is provided inwardly by connecting spring for support rod
Restoring force, contact support rod inner end with driving wheel；The driving wheel outer profile is evenly distributed with a wave crest, and traveling wheel is not transported
When dynamic, 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 by
The wave crest of driving wheel to outside force, make the support rod radially protruding lower section distance of through-hole, to expand traveling wheel
Wheel footpath, thereby realize the traveling wheel wheel footpath that is only driven and expand, entire correcting sitting posture mechanism is slightly promoted, thus
Reduce remaining traveling wheel and walking surface friction.
Further, the top center of wave crest is provided with protrusion, for limiting support rod, prevents from supporting
Bar slips over wave crest.
Further, sub- wheel is provided on the wheel valve, the wheel face of sub- wheel protrudes 1mm than taking turns the wheel face of valve.
The advantages and benefits of the present invention are:
Library of the invention tables and chairs system has online booking, swipes the card and take a seat, automatic deploying and retracting stool, automatic straightening
The functions such as sitting posture.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of library's tables and chairs system of the embodiment of the present invention one.
Fig. 2 is the seat back arm mechanism folded state diagram of the chair of the embodiment of the present invention one.
Fig. 3 is that the seat back arm mechanism of the chair of the embodiment of the present invention one props state diagram.
Fig. 4 is the structural schematic diagram of the wheeled support legs with self-locking function of the chair of the embodiment of the present invention one.
Fig. 5 is the A of Fig. 4 to cross-sectional view.
Fig. 6 is the control principle schematic diagram of library's tables and chairs system of the embodiment of the present invention one.
Fig. 7 is the control principle schematic diagram of library's tables and chairs system of the embodiment of the present invention one.
Fig. 8 is the structural schematic diagram of library's tables and chairs system of the embodiment of the present invention two.
Fig. 9 is the structural schematic diagram of the chair position regulating and controlling mechanism of the embodiment of the present invention two.
Figure 10 is the cross-sectional structure schematic diagram of the chair position regulating and controlling mechanism of the embodiment of the present invention two.
Figure 11 is the partial structurtes enlarged diagram of the chair position regulating and controlling mechanism of the embodiment of the present invention two.
Figure 12 is the further partial structurtes enlarged diagram of the chair position regulating and controlling mechanism of the embodiment of the present invention two.
Figure 13 is the structural schematic diagram of the chair of the embodiment of the present invention three.
Figure 14 is the structural schematic diagram of the correcting sitting posture mechanism of the chair of the embodiment of the present invention three.
Figure 15 is the elevational schematic view of the correcting sitting posture mechanism of the embodiment of the present invention three.
Figure 16 is the structural schematic diagram of the traveling wheel of the embodiment of the present invention four.
Figure 17 is the partial structural diagram of the traveling wheel of the embodiment of the present invention four.
Figure 18 is the partial structural diagram of the traveling wheel of the embodiment of the present invention four.
Figure 19 is the structural schematic diagram of the traveling wheel of the embodiment of the present invention five.
Figure 20 is the partial structural diagram of the traveling wheel of the embodiment of the present invention five.
Figure 21 is the structural schematic diagram of the chair of the embodiment of the present invention six.
Figure 22 is the structural schematic diagram of the correcting sitting posture mechanism of the chair of the embodiment of the present invention six.
Figure 23 is the schematic side view of the correcting sitting posture mechanism of Figure 21.
Figure 24 is the schematic top plan view of Figure 23.
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 1-7, a kind of library's tables and chairs system, including chair body 1, desk ontology 2, for regulating and controlling chair
Chair position regulating and controlling mechanism 4 and control system positioned at desk bottom or desk side.
The chair body 1 includes chair rack 11, is driven folding seat back arm mechanism 12 and has self-locking
The wheeled support legs 13 of function, specifically:
It is described be driven folding seat back arm mechanism 12 include backrest 121, arm rest cross bar 122, handrail upright bar 123,
The bottom of first motor, rotating disk 124, telescopic device 125, backrest 121 is rotatably installed in chair rack 11 by shaft, is helped
The tail end of hand cross bar 122 is hinged on backrest 121, and the front end of arm rest cross bar 122 and one end of handrail upright bar 123 are hinged, handrail
The other end and chair rack 11 of upright bar 123 are hinged, and the first motor is mounted on 11 side of chair rack, and rotating disk 124 is solid
On the output shaft of first motor, telescopic device 125 includes sleeve and the telescopic rod being slidably arranged in sleeve for Dingan County, stretches
The sleeve of device is fixedly mounted in rotating disk 124, and the top of the telescopic rod of telescopic device and backrest 121 are hinged.First motor
When movement, drive rotating disk rotation, rotating disk drive telescopic device rotation, telescopic device while rotating, telescopic rod
Bar length changes, and then telescopic rod will drive backrest decentralization or prop, and backrest transfers or can drive handrail horizontal while propping
Bar and handrail upright bar decentralization are propped, to complete the decentralization of backrest and handrail or prop state control.
Four wheeled support legs 13 with self-locking function are arranged in the bottom of the chair body comprising supporting leg 131,
Sleeve 132, support spring 133, wheel 134, wheel shaft 135, axle bracket 136, interior bar 137, the bottom of supporting leg 131, which has, to be expanded
Diameter section 1311, the extension diameter section are slidably mounted in sleeve 132, and are arranged in sleeve upper port for preventing the expanding of supporting leg
Section is detached from the locating part 138 of sleeve, which has inner edge, and the internal diameter of inner edge is less than the outer diameter of extension diameter section, to play resistance
Only the extension diameter section of supporting leg is detached from the effect of sleeve；The extension diameter section bottom end of supporting leg, the diameter of interior bar 137 is arranged in interior bar 137
Less than 1311 diameter of extension diameter section, the support spring set 133 has in the bottom nozzle of sleeve for limiting in the interior bar 137
The limit inner edge 1321 of position support spring, so that support spring 133 be made to be limited in supporting leg bottom extension diameter section 1311 and sleeve
Between the limit inner edge 1321 of bottom nozzle；The axle bracket 136 is fixed at sleeve bottom, and wheel shaft 135 is mounted on wheel shaft
On bracket, wheel 134 is mounted on wheel shaft, the bottom end of interior bar is provided with the fixed plug 139 of rubber material, when chair bears to carry
When lotus, supporting leg bottom extension diameter section compresses support spring, and interior bar moves down, and makes the 139 contact wheel 134 of fixed plug of interior bar bottom,
To realize to the self-locking of wheel；When chair is unmanned to be taken, due to the elastic force of support spring, so the fixed plug of interior bar bottom
Wheel will not be contacted, wheel can be freely rotated.
The chair position regulating and controlling mechanism 4 comprising sliding block 41, the connecting rod 42 for connecting chair, guide rail 43,
Screw rod 44, the second motor 45 and position detecting switch 46；43 level of guide rail is fixed at desk bottom, and screw rod 44 is horizontal
It is rotatably installed in desk bottom, guide rail 43 and screw rod 44 are parallel to each other, and one end of second motor 45 and screw rod 44 connects
It connects, sliding block 41 is mounted in guide rail 43 and screw rod 44, drives screw rod 44 to rotate by the second motor 45, and the driving of screw rod 44 is slided
One end of 41 translational motion of block, connecting rod 42 is connect with sliding block 41, and the other end of connecting rod 42 is connect with chair, to realize cunning
Block 41 drives chair motion by connecting rod 42；The quantity of the position detecting switch 46 is two, is separately positioned on screw rod 44
Both ends, for detecting whether sliding block moves in place, behind sliding block trigger position detection switch 46, the second motor 45 stop.
Referring to attached drawing 6, the set-up of control system is in desk bottom, the position of control system and chair position regulating and controlling mechanism 4
It sets detection switch to connect with the second motor, and is electrically connected with the first motor for being driven folding seat back arm mechanism 12,
Realize that control system can control the movement of chair position regulating and controlling mechanism 4 and seat back arm mechanism 12 acts；Further, in desk
On be provided with campus card inductor, campus card inductor is connect with control system, and control system is also connect with server, work
When, the campus card account information that campus card inductor is read is sent to server by control system, since server is to the account
Information carries out authentication, and authentication result is fed back to control system, and control system controls chair position according to authentication result
Regulating and controlling mechanism 4 is acted with folding seat back arm mechanism 12 is driven, if authenticated successfully, control system controls chair first
Sub- situation monitoring mechanism 4 acts, make chair stretch out desk (sliding block in place after, trigger position detection switch, control system is according to position
The signal that detection switch is sent is set, the second motor is stopped), the first motor movement of seat back arm mechanism 12 is then controlled, makes to lean on
Handrail is carried on the back to open.Further, control system is also connected with the control switch that desk bottom is withdrawn for controlling chair, this is opened
It closes and is arranged on desk, when people leaves, press the control switch, control system controls seat back arm mechanism 12 and folds, then
Control chair position regulating and controlling mechanism 4 makes chair return.
Further, control system uses ARM embedded system.
Further, referring to attached drawing 7, server can also be communicated with User cell phone application, and student passes through cell phone application
It is registered as user (using the student number of student as login account), is referred in use, student sends reservation to server by cell phone application
The request (each user can only reserve a seat) of reservation position, after reserving successfully, server for its retain certain time (such as
10min), in during detention, if server receives the card using information for the other users that control system is sent, certification cannot
Pass through.
Embodiment two
Referring to attached drawing 8-12, the present embodiment and embodiment one the difference is that, provide another chair position tune
Control mechanism 3, the chair position regulating and controlling mechanism 3 include slider 31, the connecting rod 32 for connecting chair, sliding channel 33,
Coil column 34, locking device 35 and position detecting switch 36, the sliding channel 33 are a hollow cylinder, and the slider 31 is sliding
Dynamic to be mounted in hollow cylinder, one end of connecting rod 32 is connect with slider 31, and the other end of connecting rod 32 is connect with chair, and
And it is grown along it to being provided with the through slot 331 passed through for connecting rod, the coil column on the hollow cylinder surface of sliding channel 33
34 be a cylinder, wound around coil on cylinder, and the quantity of coil column is four, is distributed in outside sliding channel, four coil columns
The center of circle just constitutes a square, and effect is for centered magnetic field；Further, 31 middle section of slider is cylindrical
Shape, both ends are truncated conical shapes, and there is a groove 311 in the centre of rotary table and cylinder, groove effect be in order to in locking device
Clamp is mutually carved, and it is the magnetic field interaction in order to generate with coil column, so as to movement that slider, which also has a layer line circle 312,.
Further, the sliding channel, coil column are that level is fixed at desk bottom, and the locking device 35 includes two
A, two locking devices are symmetricly set on the rear and front end of sliding channel, and further, the locking device 35 is by clamp
351, permanent magnet 352, spring 353 form, and the front end of clamp is inwardly projecting clamp, are hinged on desk in the middle part of clamp, and
And in hinged place, return spring 354 is set, for keeping the inside snap action of clamp, the end of clamp 351 by spring 353 with
Permanent magnet 352 connects, and the opening and tightening of clamp is controlled using galvanomagnetic-effect, when permanent magnet and the mutual magneticaction of slider
When, permanent magnet 352, which will drive spring 353, tightens the end of clamp inwardly, so that the clamp end of clamp is flared out, unclamps and slides
Dynamic device.The quantity of the position detecting switch 36 is two, is separately positioned on the both ends of sliding channel, for detecting whether sliding
Device is caught in clamp.
Embodiment three
Referring to attached drawing 13-15, on the basis of example 1, chair further includes correcting sitting posture mechanism 6, is set in chair rack
It is equipped with the cavity for installing correcting sitting posture mechanism 6, correcting sitting posture mechanism 6 is located in the cavity；The correcting sitting posture mechanism 6 is wrapped
Include 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.
Example IV
Referring to attached drawing 16-18, further, the structure of traveling wheel described in embodiment three is: including central axis a,
Driving wheel b, housing c, connecting spring d, support rod e, wheel valve f, the driving wheel b is fixedly mounted on central axis a, on housing c
8 radial through-hole are uniformly arranged, the quantity of the support rod e is also 8, is separately mounted to 8 radial through-hole on outer set
In, support rod can be slided along the radial through-hole of housing, further, radial groove slideway c1 is provided in housing, be propped up
It is provided with the strip boss e1 with the cooperation of groove slideway on strut, is cooperated by groove slideway and strip boss, to limit support
Relative rotation between bar and housing；The outer end of each support rod e is fixedly connected with a wheel valve f, between two adjacent support rods
It is connected by connecting spring d, provides inside restoring force for support rod by connecting spring, make support rod inner end and driving wheel b
Contact；The driving wheel b approximation flower type, driving wheel outer profile is evenly distributed with 8 wave crests, when traveling wheel does not move, support
The inner end of bar is in the cavity between wave crest, and when the central axis of traveling wheel is driven, the inner end of support rod is driven driving wheel
Wave crest to outside force, make the support rod radially protruding lower section distance of through-hole, to expand the wheel footpath of traveling wheel, this
Sample is achieved that the traveling wheel wheel footpath being only driven expands, and entire correcting sitting posture mechanism is slightly promoted, to reduce remaining
Traveling wheel and walking surface friction.
Further, referring to attached drawing 18, the top center of wave crest is provided with raised a1, for carrying out to support rod
Limit, prevents support rod from slipping over wave crest.
Embodiment five
Referring to attached drawing 19-20, further, the structure of traveling wheel described in embodiment three is: including central axis a,
Driving wheel b, housing c, connecting spring d, support rod e, wheel valve f, the driving wheel b is fixedly mounted on central axis a, on housing c
8 radial through-hole are uniformly arranged, the quantity of the support rod e is also 8, is separately mounted to 8 radial through-hole on outer set
In, support rod can be slided along the radial through-hole of housing, further, radial groove slideway c1 is provided in housing, be propped up
It is provided with the strip boss e1 with the cooperation of groove slideway on strut, is cooperated by groove slideway and strip boss, to limit support
Relative rotation between bar and housing；The outer end of each support rod e is fixedly connected on wheel valve a f, the wheel valve f and is provided with sub- wheel
The wheel face of f1, sub- wheel f1 protrude 1mm than taking turns the wheel face of valve f；It is connected, is led to by connecting spring d between two adjacent support rods
It crosses connecting spring and inside restoring force is provided for support rod, contact support rod inner end with driving wheel b；The driving wheel b is approximate
Flower type, 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 between wave crest
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 to prop up
Radially the protruding lower section distance of through-hole is thereby realized and is only driven to expand the wheel footpath of traveling wheel strut
Traveling wheel wheel footpath expand, entire correcting sitting posture mechanism is slightly promoted, remaining traveling wheel and walking surface friction are reduced, even if
Remaining traveling wheel and walking face contact can make remaining traveling wheel have certain axial rolling using the son wheel f1 on wheel valve f
Ability.
Embodiment six
Referring to attached drawing 21-24, unlike embodiment three, another correcting sitting posture mechanism 7 is present embodiments provided,
Correcting sitting posture mechanism 7 includes seat board 71, pedestal 72, wheel 73, wheel shaft 74, driving motor 75.
The seat board 71 is arranged by elastic supporting member for supporting optical member 711 at 72 top of pedestal, turns in addition, the bottom of seat board 71 also passes through
Axis 712 is connect with pedestal 72, and along chair, longitudinally disposed (i.e. shaft is arranged the shaft 712 along the longitudinal direction, enables seat board in this way
It tilts, but not tilts forward and back on chair)；Gyrosensor is set on seat board 71, for detecting the inclination of seat board
Situation；
71 periphery of seat board is connect by spring 76 with chair rack, and covers dirt-proof boot on spring and seat board, dust-proof
Set is made of the cortical material folded, so that dirt-proof boot has certain retractility, and first effect of dirt-proof boot is anti-
Only dust enters in correcting sitting posture mechanism, and second effect is preferably to cooperate the fortune of correcting sitting posture mechanism using its retractility
Make, when people leaves chair, spring can make seat board keep in the center.
Wheel shaft 74 is disposed longitudinally in pedestal 72 along chair, and wheel 73 is mounted on 74 both ends of wheel shaft, the driving motor 75
It is arranged inside pedestal 72, and the output shaft of driving motor 75 is connect with wheel shaft 74 by transmission mechanism, further, wheel shaft
74 quantity at least two.
Further, slideway is provided with below wheel 73, slideway is arranged along chair left and right directions, so that wheel is along a slideway left side
Right (left and right directions of chair) movement.
The working principle of this 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, control
The data that device is detected according to gyrosensor judge the left and right inclined direction of seat board, and then controller starts motor, pass through control
The positive and negative rotation of motor keeps seat board adipping mobile, thus reach correcting sitting posture purpose (for example, when seat board is moved to the left, seat
Plate makes one buttocks 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).
Further, correcting sitting posture mechanism has individual control system, and control system can be set in seat board.
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 (10)
1. a kind of library tables and chairs system, it is characterised in that: be located at including chair body, desk ontology, for regulating and controlling chair
The chair position regulating and controlling mechanism and control system of desk bottom or desk side；
The chair body includes chair rack and is driven folding seat back arm mechanism, described to be driven folding lean on
Carrying on the back armrest mechanism includes backrest, arm rest cross bar, handrail upright bar, first motor, rotating disk, telescopic device, and the bottom of backrest passes through
Shaft is rotatably installed in chair rack, and the tail end of arm rest cross bar is hinged on by back, the front end of arm rest cross bar and handrail upright bar
One end it is hinged, the other end and chair rack of handrail upright bar are hinged, and the first motor is mounted on chair rack side, rotation
Disk is fixedly mounted on the output shaft of first motor, and telescopic device includes sleeve and the telescopic rod that is slidably arranged in sleeve, is stretched
The sleeve of compression apparatus is fixedly mounted on the rotating pan, and the top of the telescopic rod of telescopic device and backrest are hinged；
The set-up of control system is in desk bottom, and control system can control the movement of chair position regulating and controlling mechanism and chair leans on
Carry on the back armrest mechanism movement；Campus card inductor is provided on desk, campus card inductor is connect with control system, control system
Also it is connect with server, when work, the campus card account information that campus card inductor is read is sent to server by control system,
Since server carries out authentication to account information, and authentication result is fed back into control system, control system is according to recognizing
Card result controls chair position regulating and controlling mechanism and is driven folding seat back arm mechanism action and controls if authenticated successfully
System processed controls the movement of chair position regulating and controlling mechanism first, and chair is made to stretch out desk, then controls seat back arm mechanism action, makes
Seat back arm is opened.
Server can also be communicated with User cell phone application, and student is registered as user by cell phone application, in use, student
The request for sending reservation seating assignments to server by cell phone application, after reserving successfully, server retains certain time for it,
During detention, if server receives the card using information for the other users that control system is sent, certification cannot pass through.
2. library according to claim 1 tables and chairs system, it is characterised in that: control system is also connected with for controlling
Chair withdraws the control switch of desk bottom, which is arranged on desk, when people leaves, presses the control switch, controls
System controls seat back arm mechanism and folds, and then controlling chair position regulating and controlling mechanism makes chair return.
3. library according to claim 1 tables and chairs system, it is characterised in that: the chair position regulating and controlling mechanism,
Connecting rod, guide rail, screw rod, the second motor and position detecting switch including sliding block, for connecting chair；Guide rail water
Flat to be fixed at desk bottom, screw rod, which horizontally rotates, is mounted on desk bottom, and guide rail and screw rod are parallel to each other, and described the
The connection of one end of two motors and screw rod, sliding block are mounted in guide rail and screw rod, are rotated by the second motor driven screw rod, silk
Bar drives sliding block translational motion, and one end of connecting rod is connect with sliding block, and the other end of connecting rod is connect with chair, to realize cunning
Block drives chair motion by connecting rod.The quantity of the position detecting switch is two, is separately positioned on the both ends of screw rod, is used
Whether moved in place in detection sliding block, after sliding block trigger position detection switch, the second motor stops.
4. library according to claim 1 tables and chairs system, it is characterised in that: the chair position regulating and controlling mechanism includes
Slider, the connecting rod for connecting chair, sliding channel, coil column, locking device and position detecting switch, the sliding are logical
Road is a hollow cylinder, and the slider is slidably mounted in hollow cylinder, and one end of connecting rod is connect with slider, connecting rod
The other end connect with chair, and grow on the hollow cylinder surface of sliding channel along it and pass through for connecting rod to being provided with
Through slot, the coil column are a cylinders, and wound around coil on cylinder, the quantity of coil column is four, are distributed in outside sliding channel,
The center of circle of four coil columns just constitutes a square；Slider middle section is cylindrical shape, and both ends are truncated conical shapes, circle
There is a groove in the centre of platform and cylinder, and groove effect is to mutually carve with the clamp in locking device, and slider also has one layer
Coil is the magnetic field interaction in order to generate with coil column, so as to movement；The sliding channel, coil column are water
Flat to be fixed at desk bottom, the locking device includes two, before two locking devices are symmetricly set on sliding channel
Both ends afterwards, the locking device are made of clamp, permanent magnet, spring, and the front end of clamp is inwardly projecting clamp, clamp middle part
It is hinged on desk, and return spring is set in hinged place, for keeping the inside snap action of clamp, the end of clamp passes through
Spring is connect with permanent magnet, and the opening and tightening of clamp are controlled using galvanomagnetic-effect, when permanent magnet and the mutual magnetic force of slider
When effect, permanent magnet, which will drive spring, tightens the end of clamp inwardly, so that the clamp end of clamp is flared out, unclamps sliding
Device；The quantity of the position detecting switch is two, the both ends of sliding channel is separately positioned on, for detecting whether slider card
Enter in clamp.
5. library according to claim 1 tables and chairs system, it is characterised in that: chair further includes correcting sitting posture mechanism,
The cavity for installing correcting sitting posture mechanism is provided in chair rack, correcting sitting posture mechanism is located in the cavity；The sitting posture
Correction mechanism includes seat board, pedestal, wheel, wheel shaft, driving motor；The seat board is arranged by elastic supporting member for supporting optical member on pedestal top
Portion, the bottom of seat board also pass through shaft and connect with pedestal, and the shaft is longitudinally disposed along chair；Gyro is arranged on seat board to sense
Device, for detecting the inclination conditions of seat board；Seat board periphery is connect by spring with chair rack, and is covered on spring and seat board
Lid dirt-proof boot；Wheel shaft is disposed longitudinally in pedestal along chair, and wheel is mounted on wheel shaft both ends, and the driving motor is arranged in pedestal
Inside, and the output shaft of driving motor is connect with wheel shaft by transmission mechanism.
6. library according to claim 1 tables and chairs system, it is characterised in that: chair further includes correcting sitting posture mechanism,
The cavity for installing correcting sitting posture mechanism is provided in chair rack, correcting sitting posture mechanism is located in the cavity；The sitting posture
Correction mechanism includes seat board, toothed disc, driving motor, pedestal and 8 walking mechanisms；The seat board is arranged by elastic supporting member for supporting optical member
At the top of pedestal, the bottom centre position of seat board is connected with clutch driving sphere；It is provided with gyrosensor on seat board, is used for
Detect the inclination conditions of seat board；Seat board periphery is connect by spring with chair rack, and is covered on spring and seat board dust-proof
Set；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 is also wrapped
The gear drive structure of driving outer sleeve rotation is included, the gear drive structure of the driving outer sleeve rotation is divided into two kinds, one kind
It is: bevel gear is fixedly mounted on outer sleeve, which engages with toothed disc, realizes the rotation of gear dish driving outer sleeve；Separately
One is: including the bevel gear being fixed on outer sleeve and the two-sided bevel gear being rotatably installed on pedestal and middle cone tooth
Wheel, 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 engaged with Intermediate bevel gears, middle cone
Gear is engaged with the bevel gear being packed on outer sleeve, is commutated by Intermediate bevel gears, and the cone being fixed on outer sleeve is made
The steering of gear is opposite with the steering of two-sided bevel gear；Described two gear drive structures are arranged symmetrically, to guarantee opposite two
The direction of travel of a walking mechanism is consistent.
7. library's tables and chairs system according to one of claim 5 or 6, it is characterised in that: dirt-proof boot is by the skin that folds
Material composition.
8. library according to claim 6 tables and chairs system, it is characterised in that: the structure of the traveling wheel is: packet
Central axis, driving wheel, housing, connecting spring, support rod, wheel valve are included, the driving wheel is fixedly mounted on center shaft, puts on outside
8 radial through-hole are uniformly arranged, the quantity of the support rod is also 8, is separately mounted to 8 radial through-hole on outer set
In, support rod can be slided along the radial through-hole of housing, and radial groove slideway is provided in housing, be provided on support rod with
The strip boss of groove slideway cooperation, is cooperated by groove slideway and strip boss, to limit the phase between support rod and housing
To rotation；The outer end of each support rod is fixedly connected with a wheel valve, is connected, is led to by connecting spring between two adjacent support rods
It crosses connecting spring and inside restoring force is provided for support rod, contact support rod inner end with driving wheel；The driving wheel outer profile
It is evenly distributed with a wave crest, when traveling wheel does not move, the inner end of support rod is in the cavity between wave crest, when in traveling wheel
When mandrel is driven, the inner end of support rod be driven the wave crest of driving wheel to outside force, make support rod radially through-hole to overhanging
A lower section distance out thereby realizes the traveling wheel wheel footpath being only driven and expands to expand the wheel footpath of traveling wheel, will be whole
A correcting sitting posture mechanism is slightly promoted, to reduce remaining traveling wheel and walking surface friction.
9. library according to claim 8 tables and chairs system, it is characterised in that: be arranged in the top center of wave crest
There is protrusion, for limiting to support rod, prevents support rod from slipping over wave crest.
10. library according to claim 8 tables and chairs system, it is characterised in that: be provided with sub- wheel on the wheel valve, son
The wheel face of wheel protrudes 1mm than taking turns the wheel face of valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910008818.0A CN109730466A (en) | 2019-01-04 | 2019-01-04 | Library's tables and chairs system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910008818.0A CN109730466A (en) | 2019-01-04 | 2019-01-04 | Library's tables and chairs system |
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| CN109730466A true CN109730466A (en) | 2019-05-10 |
Family
ID=66363570
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910008818.0A Pending CN109730466A (en) | 2019-01-04 | 2019-01-04 | Library's tables and chairs system |
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| CN110584369A (en) * | 2019-08-30 | 2019-12-20 | 杭州临安赛美家具有限公司 | Bar table chair capable of improving service quality |
| CN110932948A (en) * | 2019-12-04 | 2020-03-27 | 郝琳 | Intelligent home system based on 5G + AI wireless sensor network |
| CN112603075A (en) * | 2020-11-27 | 2021-04-06 | 江门市新会区博上科技有限公司 | Consulting table for business information consultation |
| CN115222004A (en) * | 2022-05-25 | 2022-10-21 | 广东爱尚游互联网科技有限公司 | Method for calculating number of people in low-power-consumption wireless cushion based on amusement equipment |
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Application publication date: 20190510 |
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