CN209004569U - Back recovery chair - Google Patents
Back recovery chair Download PDFInfo
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- CN209004569U CN209004569U CN201721864122.0U CN201721864122U CN209004569U CN 209004569 U CN209004569 U CN 209004569U CN 201721864122 U CN201721864122 U CN 201721864122U CN 209004569 U CN209004569 U CN 209004569U
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- chair
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Abstract
The utility model discloses a kind of back recovery chairs comprising chair back plate, lower end are connect with ground, and middle part and one end of chair cushion plate are fixed, and chair cushion plate is L-type, and chair cushion plate lower end is connect with ground；Seat bottom portion comprising cover, the first supporting beam, the second supporting beam, first axle, the second axis, the first spring, second spring, connecting rod, slide bar, back pad；The utility model supports user by the first supporting beam of above-mentioned interlaced arrangement, the second supporting beam, when user sits down, rotation after being pressed by the first supporting beam by first axle, connecting rod, slide bar drives back pad horizontally to move forward, to abut against the back of user.
Description
Technical field
The utility model relates to a kind of medical instruments at back, may act on cervical vertebra, chest cone, waist more particularly to one kind
Vertebra, rumpbone, coccyx, the massage of rib cage, seating instrument.
Background technique
Many bones such as the back of human body, including cervical vertebra, thoracic vertebrae, lumbar vertebrae, rumpbone, coccyx, rib cage and joint.
Above-mentioned Bones and joints are in the case where occurring ailing, it usually needs massage.And there are many kinds of the gimmicks massaged, but therefrom
It cures, said in the principle of doctor trained in Western medicine, be the blood circulation for playing movable muscles and bones to promote channels and collaterals mostly, and dispelling disease, or help
User loosens, to relieve stress.
Therefore, a kind of recovery chair for capableing of automatic massage human body back is needed at present.
Utility model content
The technical problem to be solved by the present invention is to provide the recovery chairs that one kind is capable of automatic massage human body back.
To achieve the goals above, one aspect according to the present utility model provides a kind of back recovery chair, including chair
Backboard, lower end are connect with ground, and middle part and one end of chair cushion plate are fixed, and the chair cushion plate is L-type, chair cushion plate lower end and ground
Face connection；Seat bottom portion comprising cover, the first supporting beam, the second supporting beam, first axle, the second axis, the first spring, the second bullet
Spring, connecting rod, slide bar, back pad；The first axle is mounted on the close chair back plate of the upper surface of the chair cushion plate by bearing
Place, second axis by bearing be mounted on the chair cushion plate upper surface far from the chair back plate, the first axle and
One end of at least three first supporting beams is fixed, and the second axis and one end of at least three second supporting beams are fixed, the first supporting beam,
Second supporting beam interlaced arrangement is equipped with the first spring, institute between the lower surface of first supporting beam and the upper surface of chair cushion plate
State between the lower surface of the second supporting beam and the upper surface of chair cushion plate be equipped with second spring, wherein the first supporting beam by lower-left extremely
Upper right is arranged obliquely, and the second supporting beam is arranged obliquely by bottom right to upper left, and one end of first axle and connecting rod is fixed, connecting rod it is another
End offers the first slotted hole, and the first bayonet lock being moved along it is equipped in the first slotted hole, and the first bayonet lock is configured in the side of slide bar
Face, the first slide bar are moved along the lateral guide hole of chair back plate, and one end far from the first bayonet lock of slide bar is fixed with back pad, and cover is surround
Outside the first supporting beam and the second supporting beam.
Preferably, the back recovery chair of the utility model further includes longitudinal movement portion, and longitudinal movement portion includes generator,
One motor, lead screw, the first bar, chair back plate offer first through hole along longitudinal direction, and the top of chair back plate offers along the longitudinal direction
Two through-holes, the lower part of first through hole are fixed with the first motor, and the output shaft of first motor and the bottom of lead screw are fixed, and first
The bottom of bar offers inner bolt hole along its axial direction, and the first bar is connect by inner bolt hole with the threads of lead screw, and the first bar is along first
Through-hole is mobile, lateral guide hole is offered in the middle part of the first bar, lateral guide hole configuration is in the second through-hole.
Preferably, one end of the second axis is fixed with generator, and generator is connect by the first conducting wire with resistance, the first conducting wire
It is connected with current tester, current tester is connect with first communication module, and first communication module is electrically connected with second communication module
It connects, the power module connection of second communication module and first motor, first communication module leads to the current indication of current tester
Cross the power module that second communication module is sent to first motor, the power module of first motor is according to the electric current of current tester
The power of reading driving first motor and working time.
Preferably, the back recovery chair of the utility model further includes longitudinal movement portion, and longitudinal movement portion includes generator, branch
Support seat, the first electromagnet and the second electromagnet, chair back plate offer first through hole along longitudinal direction, and the top of chair back plate is along the longitudinal direction
The second through-hole is offered, lower part and the support base of first through hole are fixed, and the top of support base and the bottom of the first electromagnet are fixed,
The bottom of first bar and the second electromagnetism ferropexy, the first bar are moved along first through hole, and lateral guide hole is offered in the middle part of the first bar,
Lateral guide hole configuration is in the second through-hole；One end of second axis is fixed with generator, and generator is connected by the first conducting wire and resistance
It connects, the first conducting wire is connected with current tester, and current tester is connect with first communication module, and first communication module and second leads to
Believe module electrical connection, second communication module is connect with the power module of the first electromagnet, the second electromagnet, and first communication module will
The current indication of current tester is sent to the power module of the first electromagnet, the second electromagnet by second communication module, the
One, the power module of the second electromagnet drives the current strength of the first, second electromagnet according to the current indication of current tester
And current direction.
Preferably, the chair cushion plate of the back recovery chair of the utility model includes the first plate and the second plate, the middle part of chair back plate
It is connect with one end hinge of the first plate, the other end of the first plate is connect with the upper end hinge of the second plate, and the lower end of the second plate is equipped with
Running part, the first plate and first axle, the second axis connection, lower end and the ground of chair back plate are fixed, the connection of chair back plate and the first plate
Place is equipped with the first stop collar, and the first stop collar is looped around on the outside of the first plate, and the junction of the first plate and the second plate is equipped with the second limit
Position ring, the second stop collar are looped around on the outside of the second plate, and the second plate lower part is equipped with running part.
Preferably, the back recovery chair of the utility model further includes driving portion, the driving portion include pedal, the first sprocket wheel,
Sprocket wheel bar, the second sprocket wheel, chain and cam；The rear end of sprocket wheel bar and the front surface of chair cushion plate are fixed, and the leading portion of sprocket wheel bar passes through
Bearing is equipped with the first sprocket wheel, and the first sprocket wheel is fixed with pedal, and the first sprocket wheel is connect by chain with the second sprocket wheel chain, and second
Sprocket wheel is connect by bearing with the top of chair cushion plate, and the second sprocket wheel is connect with cam, and cam is located at the first supporting beam and/or second
The underface of supporting beam.
The utility model has the beneficial effects that
Back recovery chair provided by the utility model is supported by the first supporting beam and the second supporting beam of interlaced arrangement
User, when user sits down, rotation after being pressed by the first supporting beam drives back pad water to pass through first axle, connecting rod, slide bar
Level land moves forward, to abut against the back of user.On the one hand it says, back pad, which withstands back, family sitting can be used not tire out, another party
Say that user often has certain fluctuating or inclination, this faint movement is transferred to back by the first supporting beam at this time when sitting down in face
The massage at back can be realized in pad.The massage at back can be realized in the case where being not suitable for any extra power for the utility model
With the continued support at back, and physiotherapy function can be played to the patient of back pain, while the device does not need extra power, save
It can environmental protection.
The back recovery chair of the utility model is described further with reference to the accompanying drawing.
Detailed description of the invention
Fig. 1 is the schematic front view according to a kind of back recovery chair of embodiment of the utility model；
Fig. 2 is a kind of schematic front view of distressed structure of back recovery chair in Fig. 1；
Fig. 3 is the schematic front view of another distressed structure of the back recovery chair in Fig. 1；
Fig. 4 is the top view of the back recovery chair in Fig. 1；
Fig. 5 is the schematic front view of another distressed structure of Fig. 1；
Fig. 6 is the schematic front view of another motion state of Fig. 5；
Fig. 7 is the schematic front view of another distressed structure of Fig. 1.
Specific embodiment
As shown in Fig. 1~7, referring to Fig. 1,4, a kind of back recovery chair of the utility model includes
Chair back plate 110, lower end is connect with ground, and middle part and one end of chair cushion plate 120 are fixed, the chair cushion plate 120
For L-type, 120 lower end of chair cushion plate is connect with ground；
Seat bottom portion 200 comprising cover 201, the first supporting beam 210, the second supporting beam 220, first axle 211, the second axis
221, the first spring 212, second spring 222, connecting rod 230, slide bar 240, back pad 250.First axle 211 is mounted on chair by bearing
At the close chair back plate 110 of the upper surface of backing plate 120, the second axis 221 by bearing be mounted on chair cushion plate 120 upper surface it is remote
At chair back plate 110.First axle 211 and one end of at least three first supporting beams 210 are fixed, the second axis 221 and at least three
One end of second supporting beam 220 is fixed, the first supporting beam 210,220 interlaced arrangement of the second supporting beam, under the first supporting beam 210
The first spring 212, lower surface and the chair cushion plate 120 of the second supporting beam 220 are equipped between surface and the upper surface of chair cushion plate 120
Second spring 222 is equipped between upper surface, wherein the first supporting beam 210 is arranged obliquely by lower-left to upper right, the second supporting beam
220 are arranged obliquely by bottom right to upper left, and first axle 211 and one end of connecting rod 230 are fixed, and the other end of connecting rod 230 offers
One slotted hole 231, the first slotted hole 231 is interior equipped with the first bayonet lock 241 being moved along it, and the first bayonet lock 241 is configured in slide bar 240
Side, the first slide bar 240 moves along the lateral guide hole 111 of chair back plate 110, one end far from the first bayonet lock 241 of slide bar 240
Fixed with back pad 250, the cover 201 is looped around first supporting beam 210, outside the second supporting beam 220.
The utility model supports user by the first supporting beam 210 of above-mentioned interlaced arrangement, the second supporting beam 220,
When user sits down, the rotation after being pressed by the first supporting beam 210 is carried on the back to be driven by first axle 211, connecting rod 230, slide bar 240
Pad 250 horizontally moves forward, to abut against the back of user.On the one hand it says, back pad 250, which withstands back, can be used family sitting not
It is tired, it on the other hand says, user often has certain fluctuating or inclination, the first supporting beam 210 is faint by this at this time when sitting down
Movement is transferred to back pad 250 and the massage at back can be realized.Or when user is seated, when body is moved or is tilted, the
These movements can be also transferred to back pad 250 by one supporting beam 210, and the massage at same achievable back, back pad 250 presses back
It rubs and is equivalent to the back for oneself being sitting in oneself and is massaged to the back of oneself.The utility model is being not suitable for any extra power
In the case where can be realized the massage at back and the continued support at back, energy conservation and environmental protection, and the patient of back pain being risen
To the effect of physical therapy.
Wherein, massage manipulation a part of the utility model has used for reference the gimmick that back is stepped in safe formula massage.That is, a people steps on
In the back of another person, such massage effect is although good, but place, personnel are had to require.Use this reality
With novel, oneself can the mobile buttocks in the first supporting beam 210 by a small margin, or significantly in 210 scend of the first supporting beam,
It can all realize the effect at massage back.
Wherein, the first spring 212,222 one side of second spring are answered as the first supporting beam 210, second supporting beam 220
Position effect, makes the buttocks ride comfort of user, on the other hand can play the position-limiting action of 250 transverse shifting of back pad, in case it is horizontal
And impaired user joint excessive to movement.
Wherein, connecting rod 230 can be linear or arc, the more material saving of connecting rod 230 of linear, but occupy chair cushion plate
The space of the left and right sides on 120 top, that is, the left and right hipbone of user can push up the connecting rod 230 of linear.And the connecting rod of arc
230, the connecting rod 230 of major arc shape especially as shown in Figure 1 can bypass the space of the left and right sides on the top of chair cushion plate 120,
To which user will not encounter connecting rod 230, the practicality is increased.
In addition, the connecting rod 230 of arc can open up the first slotted hole of linear first slotted hole 231 or arc line shaped.
Wherein, in one embodiment of the utility model, the first supporting beam 210, the second supporting beam 220 can be convex
The rhabodoid or plate body of arcuate shape.It in another embodiment of the utility model, is not shown in the figure, the first supporting beam
210, the second supporting beam 220 can also be the rhabodoid or plate body of recessed arcuate shape.In other figures of the utility model
In unshowned embodiment, the first supporting beam 210 and the second supporting beam 220 can also be the rhabodoid or plate body of linear.
Wherein, lateral guide hole 111 can be provided on chair back plate 110.
Preferably, referring to fig. 2, the utility model further includes longitudinal movement portion 300, and longitudinal movement portion 300 includes generator
310, first motor 311, lead screw 312, the first bar 320.Chair back plate 110 offers first through hole 112, chair back plate 110 along longitudinal direction
Top offer the second through-hole 113 along the longitudinal direction, the lower part of first through hole 112 and first motor 311 are fixed, first motor
The bottom of 311 output shaft and lead screw 312 is fixed, and the bottom of the first bar 320 offers inner bolt hole 321, the first bar along its axial direction
320 are threadedly coupled by inner bolt hole 321 with lead screw 312, and the first bar 320 is moved along first through hole 112, the middle part of the first bar 320
Lateral guide hole 111 is offered, the lateral configuration of guide hole 111 is in the second through-hole 113；
One end of second axis 221 and generator 310 are fixed, and generator 310 is connect by the first conducting wire with resistance, and first leads
Line is connected with current tester, and current tester is connect with first communication module, first communication module and second communication module electricity
Connection, second communication module are connect with the power module of first motor 311, and first communication module reads the electric current of current tester
Number is sent to the power module of first motor 311 by second communication module, and the power module of first motor 311 is surveyed according to electric current
Try power and the working time of the current indication driving first motor 311 of instrument.
The utility model drives the rotation of the second axis 221, to drive power generation by the rotation of above-mentioned second supporting beam 220
Machine 310 generates electricity.Wherein, the rotation direction difference of the second axis 221 will lead to the current direction difference of generator 310.Pass through electricity again
Current test instrument measures the current direction and current strength of its power generation, is sent to the power module of first motor 311, and according to its control
The rotating cycle of first motor 311 processed, thus the height of the first bar 320 of control, to control the height of back pad 250.Also, due to
It is the first bar 320 of screw structure connection, it can be quiet by the self-locking holding of lead screw 312 when the second supporting beam 220 is remain stationary
Only.
In use, can run up and down since user is when needing to massage and be sitting in the first supporting beam 210, the second supporting beam 220
On, the first supporting beam 210 will drive the back-and-forth motion of back pad 250, and the second supporting beam 220 will drive back pad 250 and move up and down, that is,
Realize the multi-angle massage and multi-angle support at back.
Wherein, the side of the first bar 320 is equipped with dovetail slide block, and the inner peripheral surface of first through hole 112 is equipped with dovetail groove, dovetail
Sliding block is moved along dovetail groove, rotates the first bar 320 not, and can only be moved up and down.
Wherein, when user is pressed downward the second supporting beam 220, the power module of first motor 311 can determine that first motor 311
Rotation drive the first bar 320 move upwards.
The utility model passes through movement side opposite between it by above-mentioned more downward seat, the mode at more upward top back
To the massage for realizing bigger efficiency.
Wherein, the second through-hole 113 is for can run through entire chair back plate 110 when slide bar 240 vertically moves.
It preferably, further include longitudinal movement portion 300 in another embodiment of the utility model referring to Fig. 3, it is longitudinal
Moving portion 300 includes generator 310, support base 330, the first electromagnet 331 and the second electromagnet 332.Chair back plate 110 is along longitudinal direction
Offer first through hole 112, the top of chair back plate 110 offers the second through-hole 113 along the longitudinal direction, under first through hole 112
Portion and support base 330 are fixed.The top of support base 330 and the bottom of the first electromagnet 331 are fixed, the bottom of the first bar 320 with
Second electromagnet 332 is fixed.First bar 320 is moved along first through hole 112, and the middle part of the first bar 320 offers lateral guide hole
111, the lateral configuration of guide hole 111 is in the second through-hole 113.
One end of second axis 221 and generator 310 are fixed.Generator 310 is connect by the first conducting wire with resistance, and first leads
Line is connected with current tester, and current tester is connect with first communication module, first communication module and second communication module electricity
Connection, second communication module are connect with the power module of the first electromagnet 331, the second electromagnet 332.First communication module is used for
The current indication of current tester is sent to the power supply of the first electromagnet 331, the second electromagnet 332 by second communication module
Module, the first electromagnet 331, the power module of the second electromagnet 332 are electric according to the current indication of current tester driving first
The current strength and current direction of magnet 331, the second electromagnet 332.
The utility model drives the rotation of the second axis 221 by the rotation of above-mentioned second supporting beam 220, recycles generator
310 detect its rotational steps and direction of rotation, thus repulsion and suction between the first electromagnet 331 of control, the second electromagnet 332
Draw, so that the first electromagnet 331,332 band of the second electromagnet can be made when user sits down or when the second supporting beam 220 of upper and lower top
Dynamic first bar 320 moves up and down, and achievees the effect that back pad moves up and down.That is, passing through the first supporting beam 210, the second supporting beam 220
Simultaneously pushing on lift and realize the movement of the front-rear direction of back pad 250, up and down direction, thus realize user back massage and
Support.
Wherein, when 310 no signal current of generator, the power module guarantor of the first electromagnet 331, the second electromagnet 332
Hold its original current strength and current direction, to keep back pad 250 to obtain longitudinal state, thus constantly for user into
Row support.
The utility model has used for reference lumbar support more popular in Hyundai Motor, the adjustable principle of back-supported, benefit
Use cushion as its movement switch, and front and back support can complete in the absence of a power supply, thus reach it is lasting massage,
The effect of support, and in the case where its shake realize back massage.In addition, above-mentioned two magnet attracts each other and repels
And the up and down motion effect caused, it is more flexible for the massage at back, traditional mechanical connection driving that is not had
It is stiff, it is not easy to accidentally injure user.
Preferably, referring to Fig. 5,6, chair cushion plate 120 includes the first plate 121, the second plate 122, the middle part of chair back plate 110 and the
One end hinge of one plate 121 connects, and the other end of the first plate 121 is connect with the upper end hinge of the second plate 122, the second plate 122
Lower end is equipped with running part 133, and the first plate 121 is connect with first axle 211, the second axis 221, and the lower end and ground of chair back plate 110 are solid
Fixed, the junction of chair back plate 110 and the first plate 121 is equipped with the first stop collar 131, and the first stop collar 131 is looped around the first plate 121
The junction of outside, the first plate 121 and the second plate 122 is equipped with the second stop collar 132, and the second stop collar 132 is looped around the second plate
122 outsides, 122 lower part of the second plate are equipped with running part 133.
The utility model drives the inclination of the first plate 121, to make to take by the back-and-forth motion of above-mentioned running part 133
User constantly obliquely realize and automatically run the first supporting beam 210, the effect of the second supporting beam 220 simultaneously in the first plate 121
Fruit to realize automatic massage, also, since the back of human body also follows the first plate 121 constantly to tilt, and makes back and back
The massage or support of more different angles, dynamics are generated between pad 250, so that automatic massage or adjusting sitting posture support.First limit
Position ring 131, the second stop collar 132 can limit the maximum tilt angle of the first plate 121, the second plate 122.
Wherein, running part 133 is the structure of the second motor-driven idler wheel, and the second motor and the second plate 122 are fixed, walking
Portion 133 is the prior art, is not repeated herein.
Preferably, referring to Fig. 7, the utility model further includes driving portion 400, and driving portion 400 includes pedal 410, the first chain
Take turns 411, sprocket wheel bar 401, the second sprocket wheel 412, chain 420, cam 430；The rear end of sprocket wheel bar 401 and the preceding table of chair cushion plate 120
Face is fixed, and the leading portion of sprocket wheel bar 401 is equipped with the first sprocket wheel 411 by bearing, and the first sprocket wheel 411 and pedal 410 are fixed, and first
Sprocket wheel 411 is connect by chain 420 with 412 chain of the second sprocket wheel, and the second sprocket wheel 412 passes through the top of bearing and chair cushion plate 120
Connection, the second sprocket wheel 412 are connect with cam 430, and cam 430 is being located at the first supporting beam 210 and/or the second supporting beam 220 just
Lower section.
The utility model drives cam 430 to rotate by above-mentioned pedal 410 and chain structure, to lift the first supporting beam
210 and/or second supporting beam 220, to assist the upper underlay of user, to realize that user with one kind more easily realize by mode
Oneself massages oneself.
Embodiment described above is only that preferred embodiments of the present invention are described, not practical to this
Novel range is defined, and under the premise of not departing from the spirit of the design of the utility model, those of ordinary skill in the art are to this
The various changes and improvements that the technical solution of utility model is made should all fall into the protection that the utility model claims book determines
In range.
Claims (5)
1. a kind of back recovery chair, it is characterised in that: including
Chair back plate (110), lower end is connect with ground, and middle part and one end of chair cushion plate (120) are fixed, the chair cushion plate
It (120) is L-type, chair cushion plate (120) lower end is connect with ground；
Seat bottom portion (200) comprising cover (201), the first supporting beam (210), the second supporting beam (220), first axle (211),
Second axis (221), the first spring (212), second spring (222), connecting rod (230), slide bar (240), back pad (250)；Described
One axis (211) by bearing be mounted on the chair cushion plate (120) upper surface at the chair back plate (110), described the
Two axis (221) by bearing be mounted on the chair cushion plate (120) upper surface far from the chair back plate (110), described the
One axis (211) and one end of at least three first supporting beams (210) are fixed, the second axis (221) and at least three second supporting beams
(220) one end is fixed, the first supporting beam (210), the second supporting beam (220) interlaced arrangement, first supporting beam (210)
The first spring (212) are equipped between lower surface and the upper surface of chair cushion plate (120), the lower surface of second supporting beam (220)
Second spring (222) are equipped between the upper surface of chair cushion plate (120), wherein first supporting beam (210) is by lower-left to the right side
On be arranged obliquely, second supporting beam (220) is arranged obliquely by bottom right to upper left, the first axle (211) and the connecting rod
(230) one end is fixed, and the other end of the connecting rod (230) offers the first slotted hole (231), first slotted hole
(231) the first bayonet lock (241) being moved along it, side of the first bayonet lock (241) configuration in the slide bar (240) are equipped in
Face, the first slide bar (240) is mobile along the lateral guide hole (111) of the chair back plate (110), the slide bar (240) far from described
One end and the back pad (250) of first bayonet lock (241) are fixed, and the cover (201) is looped around first supporting beam
(210), the second supporting beam (220) is external.
2. back recovery chair according to claim 1, it is characterised in that: further include longitudinal movement portion (300), the longitudinal direction
Moving portion (300) includes generator (310), first motor (311), lead screw (312) and the first bar (320), the chair back plate
(110) it is offered along longitudinal direction on first through hole (112), the top of chair back plate (110) offers the second through-hole along the longitudinal direction
(113), the lower part Yu the first motor (311) of the first through hole (112) are fixed, the output of the first motor (311)
Axis and the bottom of the lead screw (312) are fixed, and the bottom of first bar (320) offers inner bolt hole (321), institute along its axial direction
It states the first bar (320) to be threadedly coupled by inner bolt hole (321) with the lead screw (312), first bar (320) is along described first
Through-hole (112) is mobile, offers lateral guide hole (111) in the middle part of first bar (320), and the transverse direction guide hole (111) configures
In second through-hole (113)；
One end and generator (310) of second axis (221) are fixed, and the generator (310) passes through the first conducting wire and resistance
Connection, first conducting wire are connected with current tester, and the current tester is connect with first communication module, and described first is logical
Letter module is electrically connected with second communication module, and the second communication module is connect with the power module of first motor (311), described
The current indication of the current tester is sent to the electricity of first motor (311) by first communication module by second communication module
The power module of source module, the first motor (311) drives first motor according to the current indication of the current tester
(311) power and working time.
3. back recovery chair according to claim 2, it is characterised in that: further include longitudinal movement portion (300), the longitudinal direction
Moving portion (300) includes generator (310), support base (330), the first electromagnet (331), the second electromagnet (332), the chair
Backboard (110) offers first through hole (112) along longitudinal direction, and the top of chair back plate (110) offers the second through-hole along the longitudinal direction
(113), the lower part Yu the support base (330) of the first through hole (112) are fixed, the top of the support base (330) and institute
The bottom for stating the first electromagnet (331) is fixed, and the bottom of the first bar (320) and second electromagnet (332) are fixed, and described the
Two communication modules are connect with the power module of the first electromagnet (331), the second electromagnet (332), and the first communication module will
The current indication of the current tester is sent to the first electromagnet (331), the second electromagnet (332) by second communication module
Power module, first electromagnet (331), the second electromagnet (332) power module according to the current tester
Current indication drives the current strength and current direction of the first electromagnet (331), the second electromagnet (332).
4. back recovery chair according to claim 1, it is characterised in that: the chair cushion plate (120) includes the first plate
(121), the second plate (122), the middle part of the chair back plate (110) are connect with one end hinge of first plate (121), the first plate
(121) the other end is connect with the upper end hinge of second plate (122), and the lower end of second plate (122) is equipped with running part
(133), first plate (121) connect with the first axle (211), the second axis (221), the lower end of the chair back plate (110)
It is fixed with ground, the junction of the chair back plate (110) and first plate (121) is equipped with the first stop collar (131), and described the
One stop collar (131) is looped around on the outside of first plate (121), the connection of first plate (121) and second plate (122)
Place is equipped with the second stop collar (132), and second stop collar (132) is looped around on the outside of the second plate (122), second plate
(122) lower part is equipped with running part (133).
5. back recovery chair according to claim 1, it is characterised in that: further include driving portion (400), the driving portion
It (400) include pedal (410), the first sprocket wheel (411), sprocket wheel bar (401), the second sprocket wheel (412), chain (420), cam
(430)；The rear end of the sprocket wheel bar (401) and the front surface of the chair cushion plate (120) are fixed, before the sprocket wheel bar (401)
End is equipped with the first sprocket wheel (411) by bearing, and first sprocket wheel (411) and the pedal (410) are fixed, first chain
Wheel (411) is connect by chain (420) with the second sprocket wheel (412) chain, and second sprocket wheel (412) passes through bearing and the chair
The top of backing plate (120) connects, and second sprocket wheel (412) connect with cam (430), and the cam (430) is positioned at described the
The underface of one supporting beam (210) and/or the second supporting beam (220).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721864122.0U CN209004569U (en) | 2017-12-27 | 2017-12-27 | Back recovery chair |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721864122.0U CN209004569U (en) | 2017-12-27 | 2017-12-27 | Back recovery chair |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209004569U true CN209004569U (en) | 2019-06-21 |
Family
ID=66827608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721864122.0U Expired - Fee Related CN209004569U (en) | 2017-12-27 | 2017-12-27 | Back recovery chair |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209004569U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108066105A (en) * | 2017-12-27 | 2018-05-25 | 陈岩 | Back recovery chair |
-
2017
- 2017-12-27 CN CN201721864122.0U patent/CN209004569U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108066105A (en) * | 2017-12-27 | 2018-05-25 | 陈岩 | Back recovery chair |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190621 Termination date: 20191227 |
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| CF01 | Termination of patent right due to non-payment of annual fee |