CN107960772A - A kind of intelligence backrest - Google Patents
A kind of intelligence backrest Download PDFInfo
- Publication number
- CN107960772A CN107960772A CN201711177530.3A CN201711177530A CN107960772A CN 107960772 A CN107960772 A CN 107960772A CN 201711177530 A CN201711177530 A CN 201711177530A CN 107960772 A CN107960772 A CN 107960772A
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- gear
- movable plate
- worm
- main
- intelligent
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Classifications
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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
- A47C3/00—Chairs characterised by structural features; Chairs or stools with rotatable or vertically-adjustable seats
- A47C3/20—Chairs or stools with vertically-adjustable seats
- A47C3/24—Chairs or stools with vertically-adjustable seats with vertical spindle
-
- 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
- A47C7/36—Support for the head or the back
- A47C7/40—Support for the head or the back for the back
- A47C7/46—Support for the head or the back for the back with special, e.g. adjustable, lumbar region support profile; "Ackerblom" profile chairs
-
- 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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- Chairs For Special Purposes, Such As Reclining Chairs (AREA)
Abstract
The present invention provides a kind of intelligent backrest, belong to intelligence and adjust chair parts technical field.It solves the problems, such as that existing intelligence adjusts chair inconvenience people's rest.In the present invention, main drive gear is controlled by pressure sensor, so that main drive gear drives main worm gear to rotate, so that winner's worm gear promotes driving screw and seat board to rise or fall, simultaneously, main drive gear drives geared worm to rotate by being driven hose, so that it drives back of the body screw rod to rotate, realize that back of the body screw rod promotion activity cylinder is moved to away from fixed plate direction, when some movable plate props up people back, the corresponding back of the body screw rod of the movable plate is disconnected with corresponding back of the body shaft coupling, so that corresponding transmission worm gear only drives back of the body shaft coupling to rotate, and when all back of the body shaft couplings are disconnected with corresponding back of the body screw rod, the curve of all movable plate compositions, just it is identical with the curve of human body back, so, during so that people are sitting on seat board, the intelligence backrest can loosen human body back, so as to be convenient for people to rest.
Description
Technical field
The invention belongs to intelligence to adjust chair parts technical field, is related to a kind of intelligent backrest.
Background technology
It is the height that chair can be automatically adjusted according to people's height that intelligence, which adjusts chair, so that the seat that people can be more comfortable
On the chair, it is convenient for people to rest.
In the prior art, for example, Publication No. CN 105877248A a kind of chair that intelligently adjusts of height, it includes
Seat, is fixedly connected with vertical rectangular conduit on the bottom surface of seat, and the bottom of rectangular conduit is fixed with connecting seat, on connecting seat
Stud is bolted with, the upper end of stud is plugged in rectangular conduit, and the lower end of stud is plugged in vertical rectangular tube, rectangular tube
The lower end of column is plugged in rectangular tube, and boss is formed on the inner wall of rectangular tube, and the lower end of stud forms round platform, round platform
It is resisted against on boss, fulcrum is formed on the lower face of round platform, fulcrum is plugged in boss and by shaft coupling and driving motor
Shaft be fixed together, driving motor is fixed on boss, and the bottom of rectangular tube is fixed on chassis, rectangular tube it is outer
Control box is fixed with wall, circuit control panel is provided with control box, camera and sensor are fixed with control box, although should
Scheme realizes the automatic rising of chair by sensor, camera, computer server and the mating reaction for driving motor, but
The backrest of seat is solid shape, and when people is sitting on seat, backrest cannot be changed according to the curve of human body back, be caused
The chair cannot loosen human body back, it has not been convenient to which people rest.
The content of the invention
The purpose of the present invention is for existing technology, there are the above problem, it is proposed that one kind is simple in structure, is convenient for people to
The intelligent backrest of rest.
The purpose of the present invention can be realized by following technical proposal：A kind of intelligence backrest, including：
Chair leg, in leg activity be inserted with driving screw, one end of the driving screw is equipped with seat board, is set in leg
There is a support base, active card is equipped with the actuator for being used for driving driving screw axial rotation on the support base, on the support base also
Equipped with the main drive gear engaged with actuator；
Stent, arranged on the one side of seat board, the stent is equipped with multiple fixed plates, activity in each fixed plate
Equipped with movable plate, piston cylinder is equipped with each movable plate, in the piston cylinder activity be inserted with back of the body screw rod, it is each described
The back of the body shaft coupling that back of the body screw rod is set for active card is movably equipped with fixed plate, is arranged with transmission worm gear on the back of the body shaft coupling, institute
State and at least two detent mechanisms are equipped between movable plate and fixed plate；
Geared worm, is actively located in fixed plate, and each transmission worm gear is engaged with geared worm；
Hose is driven, between main drive gear and geared worm；
Pressure sensor, on seat board, the pressure sensor is electrically connected to main drive gear.
In a kind of above-mentioned intelligent backrest, the geared worm is equipped with the travelling gear engaged with transmission worm gear.
In a kind of above-mentioned intelligent backrest, the piston cylinder is equipped with piston block, the activity close to one end of movable plate
Plate is equipped with the movable block for Hinged piston block.
In a kind of above-mentioned intelligent backrest, the first spring and second spring are equipped with the back of the body shaft coupling, carries on the back shaft coupling
Device is provided with multiple three along its center axis circular array and connects block, and the back of the body screw rod is equipped with multiple correspondences the 3rd and connects block
4th connects block.
In a kind of above-mentioned intelligent backrest, the detent mechanism includes positioning tube and activity is inserted in positioning tube
Locating rod, the positioning tube are equipped with positioning protrusion, and the movable plate is equipped with the locating piece for being used for hinged positioning protrusion, described
The one end of locating rod away from movable plate is fixed on fixed plate.
In a kind of above-mentioned intelligent backrest, two are equipped with each fixed plate and is used for movable installation geared worm
Installation set, the travelling gear is between two installation sets.
In a kind of above-mentioned intelligent backrest, each fixed plate and each movable plate are each perpendicular to stent
It is central axial.
In a kind of above-mentioned intelligent backrest, the main drive gear includes the main worm screw engaged with actuator and is used for
The motor of main worm screw axial rotation is driven, one end of the main worm screw is fixed on transmission hose.
In a kind of above-mentioned intelligent backrest, the support base is equipped with drive shell, and the motor is removably connected to biography
Dynamic shell, the motor are equipped with first gear, and the main worm screw is equipped with the second gear engaged with first gear.
In a kind of above-mentioned intelligent backrest, the actuator includes the main worm gear with main worm engaging, the main worm gear
The number of teeth be more than transmission worm gear the number of teeth.
Compared with prior art, the invention has the advantages that：
1st, in the present invention, main drive gear is controlled by pressure sensor so that main drive gear drives main worm gear to turn
Dynamic, so that winner's worm gear promotes driving screw and seat board to rise or fall, simultaneously, main drive gear is by being driven hose
Geared worm is driven to rotate, at this time, back of the body shaft coupling is fastened in the 3rd company's block by the 4th company's block so that it drives back of the body screw rod to turn
It is dynamic, realize that back of the body screw rod promotion activity cylinder is moved to away from fixed plate direction, and when some movable plate props up people back, the activity
The corresponding back of the body screw rod of plate will be disconnected with corresponding back of the body shaft coupling so that and corresponding transmission worm gear only drives back of the body shaft coupling to rotate, and
When all back of the body shaft couplings are disconnected with corresponding back of the body screw rod, the curve of all movable plates composition, just with the curve of human body back
It is identical, so so that when people are sitting on seat board, which can loosen human body back, so as to be convenient for people to rest.
2nd, main worm screw is fixed on by being driven hose one end, the other end is fixed on geared worm so that when main worm screw rotates,
It can drive geared worm to rotate at the same time, so that seat board and movable plate work asynchronously, embody the intelligence of the design herein
Energyization, secondly, the number of teeth of main worm gear are more than the number of teeth of transmission worm gear so that transmission worm gear drives the speed of back of the body screw rod to be more than main snail
Wheel promotes the speed of driving screw, and when each movable block is close to human body back, seat board continues to rise, at this time, the 4th connect block with
3rd connects block separation, and the first spring is had elastic force, promotes the 4th company's block to be fastened in the 3rd company's block again, when each movable block
When completing to reset, seat board continues to reset, and at this time, the 4th company's block is separated with the 3rd company's block, and second spring is had elastic force, is promoted
4th company block is fastened in again the 3rd company block, so, it is ensured that the back of the body screw rod can active card be arranged on the back of the body shaft coupling, embody and originally set
The flexibility of meter.
Brief description of the drawings
Fig. 1 is the structure diagram of a preferred embodiment of the present invention.
Fig. 2 is the structure diagram of main drive gear.
Fig. 3 is the structure diagram of intelligent backrest.
Fig. 4 is movable plate, detent mechanism, piston cylinder and the constitutional diagram for carrying on the back shaft coupling.
Fig. 5 is the internal structure schematic diagram for carrying on the back shaft coupling.
Fig. 6 is the structure diagram for carrying on the back screw rod.
Fig. 7 is the sectional view at C-C in Fig. 1.
Fig. 8 is the enlarged structure schematic diagram at A in Fig. 4.
Fig. 9 is the enlarged structure schematic diagram at B in Fig. 4.
Embodiment
It is the specific embodiment of the present invention and with reference to attached drawing below, technical scheme is further described,
But the present invention is not limited to these embodiments.
As shown in Fig. 1-Fig. 9, a kind of intelligent backrest of the present invention includes chair leg 100, driving screw 110, seat board 111, support base
120th, actuator 121, main drive gear 200, stent 300, fixed plate 310, movable plate 320, piston cylinder 321, the back of the body screw rod 3211,
Carry on the back shaft coupling 400, transmission worm gear 410, detent mechanism 500, geared worm 311, transmission hose 330 and pressure sensor 130.
In the present invention, transmission hose 330 includes overcoat 332 and the less steel wire rope 331 of diameter, the steel wire rope 331
Activity is inserted in overcoat 332, and two bearings (not marked in figure) are provided between overcoat 332 and steel wire rope 331, the two
Bearing is located at the both ends of overcoat 332 respectively, and one end of steel wire rope 331 is fixed on main worm screw 210, the other end of steel wire rope 331
Geared worm 311 is fixed on, when main drive gear 200 rotates, steel wire rope 331 also rotates therewith, and drives geared worm 311
Rotate synchronously, simultaneously, overcoat 332 is static with respect to support base 120, in this way, overcoat 332 just can protect steel wire rope 331, it is ensured that
331 steady operation of steel wire rope, secondly, steel wire rope 331 can arbitrarily be bent so that steel wire rope 331 is in rotation process, even if touching
300 steel wire rope 331 of stent can still work normally, and the design flexibility be embodied herein, in addition, the less steel wire rope of diameter
It is small shared by 331, it is convenient for people to use.
Activity is inserted with driving screw 110 in chair leg 100, and one end of driving screw 110 is equipped with seat board 111, and chair leg 100 is equipped with
Support base 120, active card is equipped with the actuator 121 for being used for driving 110 axial rotation of driving screw, support base 120 on support base 120
On be additionally provided with the main drive gear 200 engaged with actuator 121, pressure sensor 130 is arranged on seat board 111, the pressure sensing
Device 130 is electrically connected to main drive gear 200, and when people is sitting on seat board 111, pressure sensor 130 produces electric signal, and by electricity
Signal passes to main drive gear 200 so that main drive gear 200 operates, and drives actuator 121 to work so that actuator
121 promote driving screw 110 to be axially moved along it, realize that driving screw 110 promotes seat board 111 to rise；
Stent 300 is arranged on the one side of seat board 111, which is equipped with multiple fixed plates 310, each fixed plate 310
On be movably equipped with movable plate 320, piston cylinder 321 is equipped with each movable plate 320, in piston cylinder 321 activity be inserted with the back of the body
Screw rod 3211, the back of the body shaft coupling 400 that back of the body screw rod 3211 is set for active card is movably equipped with each fixed plate 310, carries on the back shaft coupling
Be arranged with transmission worm gear 410 on 400, geared worm 311 is actively located in fixed plate 310, each transmission worm gear 410 with transmission
Worm screw 311 engages, and transmission hose 330 is arranged between main drive gear 200 and geared worm 311, when geared worm 311 rotates
When, steel wire rope 331 will also rotate therewith, so as to drive geared worm 311 to rotate, and geared worm 311 with each transmission snail
The engagement of wheel 410 so that each transmission worm gear 410 rotates at the same time, and when the back of people does not come to movable plate 320, at this time
All back of the body screw rods 3211 are fastened in corresponding back of the body shaft coupling 400, and are carried on the back shaft coupling 400 and be fixed on transmission worm gear 410 so that are passed
Dynamic worm gear 410 drives back of the body shaft coupling 400 and back of the body screw rod 3211 to rotate synchronously at the same time, and piston cylinder 321 at this time is relatively movable
Plate 320 is static so that and the back of the body 3211 promotion activity cylinder of screw rod is moved to away from 310 direction of fixed plate, and when some movable plate 320 supports
Firmly during people back, the corresponding back of the body screw rod 3211 of the movable plate 320 will be disconnected with corresponding back of the body shaft coupling 400 so that corresponding biography
Dynamic worm gear 410 only drives back of the body shaft coupling 400 to rotate, and when all back of the body shaft couplings 400 are disconnected with corresponding back of the body screw rod 3211, institute
The curve being made of movable plate 320, it is just identical with the curve of human body back, so so that when people are sitting on seat board 111,
The intelligence backrest can loosen human body back, so as to be convenient for people to rest；When people leaves seat board 111, all back of the body screw rods
3211 reconnect with corresponding back of the body shaft coupling 400, and simultaneously, the task again of main drive gear 200, passes through steel wire rope
331 and the gearing of geared worm 311, drive transmission worm gear 410 to invert, so that back of the body shaft coupling 400 drives back of the body spiral shell
Bar 3211 inverts, so that back of the body screw rod 3211 drives piston cylinder 321 and movable plate 320 to reset；Movable plate 320 and fixed plate
At least two detent mechanisms 500, the setting of the detent mechanism 500 so that movable plate 320 is in opposing fixed plate are equipped between 310
During 310 movement, movable plate 320 is in the same plane in fixed plate 310 all the time, so, it is ensured that two neighboring movable plate 320
It is parallel to each other, so that the stability that Support activity plate 320 works.
As shown in Fig. 3-Fig. 9, geared worm 311 is equipped with the travelling gear 311a engaged with transmission worm gear 410, and often
Two installation sets 312 for being used for movable installation geared worm 311 are equipped with a fixed plate 310, travelling gear 311a is positioned at two
Between a installation set 312, when geared worm 311 rotates, all travelling gear 311a will also be rotated therewith, because of all transmissions
Gear 311a is engaged with corresponding transmission worm gear 410, realizes that all transmission worm gears 410 also rotate synchronously therewith, and the installation set
312 setting so that all travelling gear 311a are movably installed in corresponding fixed plate 310, it is ensured that travelling gear 311a
With corresponding transmission worm gear 410 can stable engagement, so that it is guaranteed that transmission worm gear 410 work stability.
Piston cylinder 321 is equipped with piston block 3212 close to one end of movable plate 320, and movable plate 320, which is equipped with, to be used to hingedly live
The movable block 322 of chock 3212, in this way, when movable plate 320 props up human body back, movable plate 320 is according to the reality of human body back
Border shape, piston block 3212 is articulated with by movable block 322 so that movable plate 320 is overturn around piston block 3212, in this way, can make
Obtain movable plate 320 and adapt to the human body back with different shape curve, so that movable plate 320 can be close to human body back,
In this way, the comfort of increase people.
The first spring 420 and second spring 430 are equipped with back of the body shaft coupling 400, back of the body shaft coupling 400 is in along its center axis
Annular array is provided with multiple three and connects block 440, and back of the body screw rod 3211 is equipped with the 4th company's block that multiple correspondences the 3rd connect block 440
3211a, in 320 opposing fixed plate of movable plate, 310 moving process, each 4th company block 3211a is inserted in adjacent two
Between 3rd company's block 440 so that the 3rd, which connects block 440 and the 4th, connects block 3211a one entirety of composition, and at this time, geared worm 311
Transmission worm gear 410 is driven to rotate by travelling gear 311a, transmission worm gear 410 is fixed on back of the body shaft coupling 400 so that transmission worm gear
410 drive back of the body screw rod 3211 to rotate, so that back of the body screw rod 3211 promotes piston cylinder 321 and movable plate 320 at the same time to remote
310 direction of fixed plate is moved, and when movable plate 320 props up human body back, human body back barrier activity plate 320 continues to move,
And travelling gear 311a at this time still drives transmission worm gear 410 and back of the body screw rod 3211 to rotate synchronously so that back of the body screw rod 3211
The one end for connecting block 3211a close to the 4th extrudes the first spring 420, so as to allow the first spring 420 to obtain elastic force, and works as the 4th and connects block
For 3211a from when departing from away between the 3rd company's block 440, transmission worm gear 410 drives back of the body shaft coupling 400 to dally；When people leave seat
During plate 111, back of the body screw rod 3211 is only subject to the elastic force of the first spring 420 so that each 4th company block 3211a is inserted in phase again
Between adjacent two the 3rd connect block 440, i.e., the 4th company block 3211a and the 3rd company's block 440 reconstitute an entirety, same in this
When, geared worm 311 drives transmission worm gear 410 to invert, so so that back of the body shaft coupling 400 drives back of the body screw rod 3211 to overturn so that
Piston cylinder 321 and movable plate 320 do resetting movement to 310 direction of fixed plate, in this way, just can realize movable plate 320 and seat board
111 synchronous reset, and when piston cylinder 321 props up back of the body shaft coupling 400, the 4th company block 3211a divides with the 3rd company's block 440 again
From, and extruding second spring 430 so that back of the body shaft coupling 400 dallies again, i.e., movable plate 320 is completed to reset, and when base declines
During to precalculated position, motor 220 stops operating, and at this time, seat board 111 is completed to reset, when people is sitting on seat board 111 again, the
Two springs 430 promote the 4th company block 3211a again so that the 4th company block 3211a is arranged in the 3rd company's block 440.
As shown in figures 4 and 9, detent mechanism 500 includes positioning tube 510 and activity is inserted in positioning tube 510 and determines
Position bar 520, positioning tube 510 are equipped with positioning protrusion 511, and movable plate 320 is equipped with the locating piece for being used for hinged positioning protrusion 511
323, the one end of locating rod 520 away from movable plate 320 is fixed on fixed plate 310, when back of the body screw rod 3211 promotes piston cylinder 321 axial
When mobile, positioning tube 510 will also be synchronized with the movement along the track of locating rod 520 and piston cylinder 321, so, it is ensured that movable plate 320
During the motion, it is in the same plane with fixed plate 310 all the time, secondly, when movable plate 320 props up human body back,
Movable plate 320 carries out appropriate upset according to the true form of human body back, and at this time, locating piece 323 will be with movable plate 320
Rotated synchronously around positioning protrusion 511 so that the upset that movable plate 320 can be more stable, secondly, is articulated with by movable block 322
3212, two locating pieces 323 of piston block are articulated with corresponding positioning protrusion 511, and human body back is just given to the pressure of movable plate 320
Power is divided into three points, in this way, reducing back of the body screw rod 3211 and carrying on the back the active force between shaft coupling 400, so as to protect back of the body screw rod
3211 and the back of the body shaft coupling 400.
Each fixed plate 310 and each movable plate 320 are each perpendicular to the central axial of stent 300 so that adjacent two
A fixed plate 310 is parallel to each other, and is moved by positioning tube 510 along the track of locating rod 520 so that two adjacent movable plates
320 are parallel to each other, in this way, avoid two neighboring movable plate 320 during exercise, situation about colliding, it is ensured that movable plate 320
The stability of work.
As shown in Fig. 1-Fig. 2, main drive gear 200 includes the main worm screw 210 engaged with actuator 121 and for driving
The motor 220 of main 210 axial rotation of worm screw is moved, pressure sensor 130 is electrically connected to motor 220, and one end of main worm screw 210 is connected
In steel wire rope 331, support base 120 is equipped with drive shell 122, which is removably connected to drive shell 122, on motor 220
Equipped with first gear 221, main worm screw 210 is equipped with the second gear 211 that engage with first gear 221, actuator 121 including with
The main worm gear 121a that main worm screw 210 engages, and the main worm gear 121a active cards are arranged on support base 120, and the activity of driving screw 110
It is inserted in main worm gear 121a, when people is sitting on seat board 111, pressure sensor 130 produces electric signal, and passes to motor
220 so that motor 220 drives first gear 221 to rotate, and second gear 211 is engaged with first gear 221 so that the second tooth
Wheel 211 is rotated synchronously with main worm screw 210, so that drive main worm gear 121a to rotate, and main worm gear 121a active cards are arranged on supporting shell
Interior, driving screw 110 is fixed on seat board 111 so that and main worm gear 121a promotes seat board 111 to rise, simultaneously, main 210 band of worm screw
Dynamic steel wire rope 331 is driven so that steel wire rope 331 drives geared worm 311 to rotate synchronously, so as to fulfill movable plate 320 to human body
Back-moving.
In the present invention, the number of teeth of main worm gear 121a be more than transmission worm gear 410 the number of teeth, in this way, by main worm screw 210 with
And the effect of geared worm 311, realize that back of the body screw rod 3211 promotes the speed of movable plate 320 to be more than main worm gear 121a and promotes driving screw
110 speed risen, in this way, before motor 220 is stopped, movable plate 320 all props up human body back, so that it is guaranteed that
The stability of intelligence backrest work.
It is the operation principle of the present invention below：
When people is sitting on seat board 111, pressure sensor 130 produces electric signal, and electric signal is passed to motor 220,
So that motor 220 drives second gear 211 by first gear 221 and main worm screw 210 is synchronous operates, because main worm screw 210 with
Main worm gear 121a engagements so that main worm screw 210 drives main worm gear 121a to rotate, so that winner worm gear 121a promotes driving screw
110 and seat board 111 rise, simultaneously, steel wire rope 331 will also be rotated synchronously with main worm screw 210, so as to drive geared worm
311 rotate, and geared worm 311 is engaged with each transmission worm gear 410 so that and each transmission worm gear 410 rotates at the same time, and
Have between the back of people and movable plate 320 apart from when, at this time, due to the effect of second spring 430, the 4th connects block 3211a cards
It is fixed in the 3rd company's block 440 so that transmission worm gear 410 drives back of the body shaft coupling 400 and back of the body screw rod 3211 to rotate synchronously at the same time, and this
When piston cylinder 321 with respect to movable plate 320 it is static so that the back of the body 3211 promotion activity cylinder of screw rod to away from 310 direction of fixed plate move
It is dynamic, and when some movable plate 320 props up people back, which connects block 3211a will be with the corresponding 3rd
Even block 440 disconnects, i.e., the corresponding back of the body screw rod 3211 of the movable plate 320 is disconnected with corresponding back of the body shaft coupling 400 so that corresponding biography
Dynamic worm gear 410 only drives back of the body shaft coupling 400 to rotate, and when all back of the body shaft couplings 400 are disconnected with corresponding back of the body screw rod 3211, institute
The curve being made of movable plate 320 is just identical with the curve of human body back；
When people leaves seat board 111, due to the effect of the first spring 420 in each back of the body shaft coupling 400 so that each activity
Plate 320 the corresponding 4th connect block 3211a be fastened in again the 3rd company block 440, i.e., all back of the body screw rods 3211 with the corresponding back of the body
Shaft coupling 400 reconnects, and simultaneously, the task again of main drive gear 200, passes through steel wire rope 331 and geared worm 311
Gearing, drive transmission worm gear 410 invert so that transmission worm gear 410 drive the back of the body screw rod 3211 invert so that
Back of the body screw rod 3211 drives piston cylinder 321 and movable plate 320 to reset, because transmission worm gear 410 drives the back of the body 3211 velocity of rotation of screw rod
More than the speed that main worm gear 121a promotes the rotation of driving screw 110 so that when movable plate 320 is completed to reset, seat board 111 is also multiple
Position, and when seat board 111 is reset to predetermined altitude, motor 220 stops operating.
Specific embodiment described herein is only to spirit explanation for example of the invention.Technology belonging to the present invention is led
The technical staff in domain can do various modifications or additions to described specific embodiment or replace in a similar way
Generation, but without departing from spirit of the invention or beyond the scope of the appended claims.
Claims (10)
- A kind of 1. intelligence backrest, it is characterised in that including：Chair leg, in leg activity be inserted with driving screw, one end of the driving screw is equipped with seat board, and leg is equipped with branch Seat is supportted, active card is equipped with the actuator for being used for driving driving screw axial rotation on the support base, is additionally provided with the support base The main drive gear engaged with actuator；Stent, arranged on the one side of seat board, the stent is equipped with multiple fixed plates, is movably equipped with each fixed plate Movable plate, is equipped with piston cylinder on each movable plate, in the piston cylinder activity be inserted with back of the body screw rod, each fixation The back of the body shaft coupling that back of the body screw rod is set for active card is movably equipped with plate, transmission worm gear, the work are arranged with the back of the body shaft coupling At least two detent mechanisms are equipped between movable plate and fixed plate；Geared worm, is actively located in fixed plate, and each transmission worm gear is engaged with geared worm；Hose is driven, between main drive gear and geared worm；Pressure sensor, on seat board, the pressure sensor is electrically connected to main drive gear.
- 2. a kind of intelligent backrest according to claim 1, it is characterised in that the geared worm is equipped with and transmission worm gear The travelling gear of engagement.
- 3. a kind of intelligent backrest according to claim 1, it is characterised in that the piston cylinder is set close to one end of movable plate There is piston block, the movable plate is equipped with the movable block for Hinged piston block.
- A kind of 4. intelligent backrest according to claim 1, it is characterised in that be equipped with the back of the body shaft coupling the first spring with And second spring, back of the body shaft coupling are provided with multiple three along its center axis circular array and connect block, the back of the body screw rod is equipped with Multiple correspondences the 3rd connect the 4th company's block of block.
- 5. a kind of intelligent backrest according to claim 1, it is characterised in that the detent mechanism includes positioning tube and work The dynamic locating rod being inserted in positioning tube, the positioning tube are equipped with positioning protrusion, and the movable plate, which is equipped with, to be used to hingedly determine The raised locating piece in position, the one end of the locating rod away from movable plate is fixed on fixed plate.
- 6. a kind of intelligent backrest according to claim 1, it is characterised in that be equipped with two use in each fixed plate In the installation set of activity installation geared worm, the travelling gear is between two installation sets.
- 7. a kind of intelligent backrest according to claim 1, it is characterised in that each fixed plate and each work Movable plate is each perpendicular to the central axial of stent.
- 8. a kind of intelligent backrest according to claim 1, it is characterised in that the main drive gear includes nibbling with actuator The main worm screw closed and the motor for driving main worm screw axial rotation, one end of the main worm screw is fixed on transmission hose.
- 9. a kind of intelligent backrest according to claim 8, it is characterised in that the support base is equipped with drive shell, described Motor is removably connected to drive shell, and the motor is equipped with first gear, and the main worm screw is equipped with and is engaged with first gear Second gear.
- 10. a kind of intelligent backrest according to claim 8, it is characterised in that the actuator includes and main worm engaging Main worm gear, the number of teeth of the main worm gear is more than the number of teeth of transmission worm gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711177530.3A CN107960772B (en) | 2017-11-23 | 2017-11-23 | A kind of intelligence backrest |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711177530.3A CN107960772B (en) | 2017-11-23 | 2017-11-23 | A kind of intelligence backrest |
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| CN107960772A true CN107960772A (en) | 2018-04-27 |
| CN107960772B CN107960772B (en) | 2019-11-08 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201711177530.3A Active CN107960772B (en) | 2017-11-23 | 2017-11-23 | A kind of intelligence backrest |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108741857A (en) * | 2018-07-02 | 2018-11-06 | 佛山职业技术学院 | A kind of full adjustable back chair |
| CN110292269A (en) * | 2019-08-06 | 2019-10-01 | 朱逸君 | Adjustable seat backrest structure |
| CN113768311A (en) * | 2021-10-16 | 2021-12-10 | 深圳市西昊智能家具有限公司 | Full-automatic human back intelligence seat of laminating |
| CN113876224A (en) * | 2021-10-11 | 2022-01-04 | 温州职业技术学院 | Posture-adjustable auxiliary appliance for nursing and bathing for aged people |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108741857A (en) * | 2018-07-02 | 2018-11-06 | 佛山职业技术学院 | A kind of full adjustable back chair |
| CN108741857B (en) * | 2018-07-02 | 2023-09-19 | 佛山职业技术学院 | Fully-adjustable backrest chair |
| CN110292269A (en) * | 2019-08-06 | 2019-10-01 | 朱逸君 | Adjustable seat backrest structure |
| CN113876224A (en) * | 2021-10-11 | 2022-01-04 | 温州职业技术学院 | Posture-adjustable auxiliary appliance for nursing and bathing for aged people |
| CN113768311A (en) * | 2021-10-16 | 2021-12-10 | 深圳市西昊智能家具有限公司 | Full-automatic human back intelligence seat of laminating |
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|---|---|
| CN107960772B (en) | 2019-11-08 |
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