CN104546399B - The magnetic force 3D cassette mechanism structure of massage armchair - Google Patents
The magnetic force 3D cassette mechanism structure of massage armchair Download PDFInfo
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- CN104546399B CN104546399B CN201410701137.XA CN201410701137A CN104546399B CN 104546399 B CN104546399 B CN 104546399B CN 201410701137 A CN201410701137 A CN 201410701137A CN 104546399 B CN104546399 B CN 104546399B
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Abstract
nullThe invention discloses a kind of massage chair，Can according to requirements select to carry out kneading to human body back、Beating type is massaged，And the magnetic force 3D cassette mechanism structure of the self-adjustable massage armchair of massage force，Solve structure complexity present in prior art，Bulky，Affect the technical problem of the normal use etc. of massage armchair，It includes the square core framework that longitudinal sliding motion is connected on the chair back，The lower frame of described core framework is rotationally connected one end of movement fixed plate,Movement fixed plate is provided with the first gear train，First gear train is connected to massage roller wheels and massage roller wheels can be driven to carry out reciprocal rubbing type or beating type operation，It is provided with the rackwork that movement fixed plate can be driven to rotate at the movement fixed plate other end，Rackwork is connected to the second gear train，And second gear train can be automatically adjusted movement fixed plate according to massage roller wheels Resistance Value and carry out swing relative to core framework.
Description
Technical field
The present invention relates to a kind of massage chair, particularly relate to a kind of compact conformation, assemble simple, human body back can select to carry out kneading, beating type massage according to requirements, and the magnetic force 3D cassette mechanism structure of the self-adjustable massage armchair of massage force.
Background technology
Massage armchair be a kind of simulate staff to the human body back of the body by etc. the health care facility massaged of position, user is without going to special massaging and physiotherapeutical clinic to relax one's muscles anywhere or anytime, thus realizes allaying tiredness, blood circulation promoting, improves the purposes such as subhealth state.Massage armchair in early days promotes the massage roller on the chair back to carry out rolling massage by using mechanism's link gear, in order to make massage effect closer to manual massage, further through the improvement of mechanism make massage roller can before and after springing and inwardly extrude kneading, simulate artificial massage the most completely, beat, the massage operations such as kneading, variation due to massaging action, generally structure is extremely complex, not only make massage armchair bulky, and various due to component parts, to assembling product, maintenance brings certain difficulty, assembly precision cannot ensure, thus affect the normal use of massage armchair.
Summary of the invention
The present invention mainly provides a kind of compact conformation, assembles simple, assembly precision height, can according to requirements select human body back to carry out kneading, beating type massage, and the magnetic force 3D cassette mechanism structure of the self-adjustable massage armchair of massage force, solve structure complexity present in prior art, bulky, assembling product, maintenance difficulty are big, and assembly precision cannot ensure, affects the technical problem of the normal use etc. of massage armchair.
The above-mentioned technical problem of the present invention is mainly addressed by following technical proposals: the magnetic force 3D cassette mechanism structure of a kind of massage armchair, the square core framework being connected on the chair back including longitudinal sliding motion, the lower frame of described core framework is rotationally connected one end of movement fixed plate, movement fixed plate is provided with the first gear train, first gear train is connected to massage roller wheels and massage roller wheels can be driven to carry out reciprocal rubbing type or beating type operation, it is provided with the rackwork that movement fixed plate can be driven to rotate at the movement fixed plate other end, rackwork is connected to the second gear train, and second gear train can be automatically adjusted movement fixed plate according to massage roller wheels Resistance Value and carry out swing relative to core framework.The mechanical transmission mechanism of massage roller wheels is driven to be divided into two gear trains by being used for, drive massage roller wheels to carry out reciprocal rubbing type by the first gear train or beating type runs, rackwork is driven by the second gear train, driven the first gear train together with massage roller wheels relative to core framework swing by rackwork, Resistance Value when i.e. human body back being implemented massage according to massage roller wheels is automatically adjusted amplitude of fluctuation, relative to traditional structure, owing to movement have employed local integration mode, i.e. first gear train and the second gear train, therefore local positioning installation can first be carried out during assembling, the unified mode assembled again, not only assembly precision is guaranteed, and improve efficiency of installing software, make complete machine layout more compact and reasonable simultaneously, easy disassembly, improve the stability of overall mass.
As preferably, described first gear train includes the first housing being fixed in movement fixed plate, it is provided with a pair intermeshing worm gear and worm screw in first housing of close rackwork one end, one end of worm screw is extended to towards rackwork side outside the first housing and is connected on the output shaft of kneading motor by the first belt pulley, worm gear is interspersed with oblique cambered axle, the two ends of oblique cambered axle extend to outside the first housing and are rotationally connected massage roller wheels, and kneading driven by motor massage roller wheels carry out reciprocal rubbing type and run；In first housing relative with rackwork, level is provided with torque-transmitting axle, torque-transmitting axle is connected to beat on the output shaft of motor by the second belt pulley, the two ends of torque-transmitting axle extend to outside the first housing and are rotationally connected one end of universal cue stick components respectively, the other end of universal cue stick components is rotatably connected on massage roller wheels, beats driven by motor massage roller wheels and carries out reciprocal beating type operation.nullBy arranging the first housing in movement fixed plate，The power of kneading motor by the worm gear in the first housing and worm-drive to oblique cambered axle，Owing to the end of oblique cambered axle is outward-dipping relative to shaft core，Tiltedly cambered axle drives the massage roller wheels synchronous axial system of its end when rotating，And produce similar reciprocal rubbing type operation in backrest plane，I.e. it is similar to the rubbing type massage effect that staff inwardly extrudes，Beating motor drives torque-transmitting axle to rotate further through belt transmission，Owing to the end of torque-transmitting axle is rotatably connected on the massage roller wheels of respective side by universal cue stick components，When torque-transmitting axle rotates, the connection end of universal cue stick components carries out circle swing around torque-transmitting axle center，I.e. it is similar to the motion of bicycle pedal，It is rotatably connected on massage roller wheels due to the other end of universal cue stick components again，The rotating shaft of universal cue stick components and massage roller wheels with for fixing the spacing that the oblique cambered axle center of massage roller wheels keeps certain，When the most universal cue stick components swings up and down，Massage roller wheels produce the massage effect that similar staff is beaten up and down，I.e. massage roller wheels are relative to springing before and after backrest，Two kinds of massaging ways are respectively adopted worm gear、Worm-drive and belt transmission，Operation moment is big，Good stability.
As it is further preferred that described kneading motor and beat motor and be fixed on outside the first housing.Kneading motor and beat motor and be respectively positioned on outside the first housing, makes drive disk assembly concentrate on outside the first housing, compact conformation, it is easy to ensure assembly precision.
As it is further preferred that described massage roller wheels include that the carriage assembly of triangle, oblique cambered axle vertical rotation are connected on a corner of carriage assembly, two other corner of carriage assembly horizontally rotates respectively and is connected to massage wheels.Arranging two massage wheels on the carriage assembly of triangle, the i.e. unilateral double massage wheels of employing is massaged, and adds massage area, improves massage effect.
As preferably, described second gear train includes the second housing being fixed on core framework, in second housing relative with rackwork, level is provided with disk power shaft, one end of disk power shaft is connected to intensity motor by belt transmission, the other end of disk power shaft is provided with coupling magnetic disk group, coupling magnetic disk group on be rotationally connected one-stage gear group from dynamic magnetic induction dish further through belt, one-stage gear group engages again and is connected to secondary gear wheels, and the driven gear rotating shaft of secondary gear wheels is the most bonded on rackwork.nullBe integrated in the second housing coupling magnetic disk group include coaxial package active magnetic inductive disks on disk power shaft and be coaxially folded in active magnetic inductive disks both sides from dynamic magnetic induction dish，It is rotatably connected on disk power shaft by bearing from dynamic magnetic induction dish，When intensity driven by motor disk power shaft rotates，When disk power shaft drives active magnetic inductive disks synchronous rotary again，Active magnetic inductive disks produces relative motion with from dynamic magnetic induction dish，Alternating magnetic field produces eddy current by air gap on the copper sheet inside dynamic magnetic induction dish，Eddy current produces induced field and the permanent magnet interaction in active magnetic inductive disks，Thus drive from dynamic magnetic induction dish relative to active magnetic inductive disks rotating in same direction，I.e. magnetic induction transmission，Magnetic induction transmission rotates further through belt and is sequentially output to one-stage gear group、Secondary gear wheels also export to rackwork，Therein one、Secondary gear wheels are the speed adjusting gears being made up of several interworking meshed gears，When magnetic induction transmission drives rackwork and drives massage roller wheels forward，Massage roller wheels resistance increases，Massage force increases，When resistance exceedes setting value，Massage roller wheels be obstructed to stop move ahead，Rackwork stops，One、Secondary gear wheels stall，From dynamic magnetic induction dish stall，Now also keep rotation status due to active magnetic inductive disks，Therefore from dynamic magnetic induction dish holding torque and by one、Secondary gear wheels etc. export to rackwork，Rackwork also maintains constant thrust while stall，And this thrust makes massage roller wheels maintain a certain equilibrium point，The most neither advancing nor retreating poised state，Massage roller wheels are made with constant massage force, human body to be massaged under this poised state.Thus when massage roller wheels lean forward, massage force increases, and the massage roller wheels amount of leaning forward depends on magnetic induction output torque, owing to intensity motor is orientation constant-speed operation, can carry out rotational speed regulation for this by the speed adjusting gear being made up of I and II gear train.
As it is further preferred that described intensity motor is fixed on outside the second housing.When intensity motor is positioned at outside the second housing, drive disk assembly is made to concentrate on outside the second housing, compact conformation, it is easy to ensure assembly precision.
As it is further preferred that be provided with supporting plate on the core framework corresponding with described second housing, the second housing is fixed on supporting plate.Supporting plate is used for fixing and support the second housing.
As preferably, described rackwork includes the fluted disc body being vertically fixed in movement fixed plate, being provided with tooth bar on the fluted disc outside relative with movement fixed plate rotating shaft, on tooth bar, interworking engagement is connected to turning gear, and the rotating shaft of turning gear is connected on the second gear train.The gear of interworking and rackwork, operate steadily, moment big.
As it is further preferred that on described fluted disc body parallel integral type be connected to two tooth bars.Two tooth bars are integrated on same fluted disc body, simple in construction, and driving torque is big, and are prone to ensure rotation precision.
As it is further preferred that extend inwardly to form horizontal fixed plate in the upper end level of described fluted disc body, horizontal fixed plate is fixed on the end face on the first gear train.Fluted disc body is fixed on the end face on the first gear train by horizontal fixed plate, it is ensured that being fixed in movement fixed plate of fluted disc body firm stable, it is ensured that complete machine runs smoothly.
Therefore, the magnetic force 3D cassette mechanism structure of the massage armchair of the present invention has an advantage that and drive disk assembly is integrated into two gear trains, carry out reciprocal rubbing type by the first gear set drive massage roller wheels or beating type runs, by the second gear set drive rackwork, driven the first gear train together with massage roller wheels relative to core framework swing by rackwork again, Resistance Value when human body back being implemented massage according to massage roller wheels is automatically adjusted amplitude of fluctuation, the complete analog manual operation of whole massage processes, massage efficiency is high, comfortableness is good, owing to movement have employed local integration mode, therefore can first carry out local positioning installation to carry out again unifying to assemble, assembly precision easily ensures, also improve efficiency of installing software simultaneously, make complete machine layout more compact and reasonable, easy disassembly, and improve the stability of overall mass.
Accompanying drawing illustrates:
Fig. 1 is the structural representation of the magnetic force 3D cassette mechanism structure of massage armchair of the present invention；
Fig. 2 is the rearview shown in Fig. 1；
Fig. 3 is the cut-away view of the first gear train in the present invention；
Fig. 4 is the internal structure schematic diagram of the second gear train in the present invention.
Detailed description of the invention:
Below by embodiment, and combine accompanying drawing, technical scheme is described in further detail.
Embodiment:
nullAs depicted in figs. 1 and 2，A kind of magnetic force 3D cassette mechanism structure of the massage armchair of the present invention，Including square core framework 1，Consistent with the framework of massage armchair backrest and by both sides the pulley longitudinal sliding motion of the shapes and sizes of core framework 1 is connected in groove corresponding on the chair back，It is rotationally connected one end of rectangular movement fixed plate 2 by horizontal rotating shaft in the middle part of the lower frame of core framework 1,At movement fixed plate 2 other end equipped with the rackwork 7 that movement fixed plate 2 can be driven to rotate along horizontal rotating shaft，Rackwork 7 includes the fluted disc body 71 being vertically fixed in movement fixed plate 2，It is circular arc towards fluted disc body 71 surface outside movement fixed plate 2，Both sides, fluted disc body 71 surface integral molding respectively at arc has a tooth-arranging strip 72，Two tooth-arranging strips 72 are parallel and the symmetrical distribution of median plane of relative movement fixed plate 2，Horizontally rotate on the upper side frame of the core framework 1 corresponding with tooth bar 72 and be connected to rotary gear shaft，This rotary gear shaft is bonded then two turning gears 73 engaged with tooth bar 72 interworking，Fixed first gear train 3 in movement fixed plate 2 inside fluted disc body 71，As shown in Figure 3，First gear train 3 includes carrying over the length direction of movement fixed plate 2 and is fixed on first housing 31 on its surface，At the first housing 31 near rackwork 7 one end built with a pair intermeshing worm gear 32 and worm screw 33，Rotating shaft one end of worm screw 33 extends to towards rackwork 7 side be connected on the output shaft of kneading motor 35 outside the first housing 31 and by the first belt pulley 34，Kneading motor 35 is fixed on outside the first housing 31 of respective side，Worm gear 32 interts and is bonded then tiltedly cambered axle 36，The two ends of oblique cambered axle 36 extend respectively to outside the first housing 31 and are rotationally connected massage roller wheels 4 respectively，Massage roller wheels 4 therein include the carriage assembly 41 of triangle，Tiltedly cambered axle 36 vertical rotation is connected on a corner of carriage assembly 41，Two other corner horizontally rotates respectively and is connected to a massage wheels 42，In first housing 31 relative with rackwork 7, level is rotationally connected torque-transmitting axle 37，The two ends of torque-transmitting axle 37 extend to outside the first housing 31，It is connected to beat the output shaft of motor 39 corresponding to the torque-transmitting axle 37 on the right side of the first housing 31 by the second belt pulley 38，Beat the output shaft of motor 39 through the first housing 31，Beat motor 39 and be fixed on the left side of the first housing 31，One end of universal cue stick components 6 it is rotationally connected respectively at the two ends of torque-transmitting axle 37，The other end of universal cue stick components 6 is rotatably connected on massage roller wheels 4 corresponding on the downside of oblique cambered axle 36，Kneading motor 35 drives massage roller wheels 4 to carry out reciprocal rubbing type by oblique cambered axle 36 and runs，Beating motor 39 drives massage roller wheels 4 to carry out reciprocal beating type operation by torque-transmitting axle 37 and universal cue stick components 6，In order to make fluted disc body 71 be firmly fixed in movement fixed plate 2，Upper end level at fluted disc body 71 extends inwardly to form horizontal fixed plate 74，Horizontal fixed plate 74 is fixed on the end face of the first housing 31；nullAs shown in Figure 2，On core framework 1 corresponding on the right side of movement fixed plate 2、Fixed one block of supporting plate 57 between lower frame，With the second gear train 5 fixed on supporting plate 57 surface of the first gear train 3 homonymy，As shown in Figure 4，Second gear train 5 includes the second housing 51 being fixed on core framework 1，Horizontally rotate in the second housing 51 relative with rackwork 7 and be connected to disk power shaft 52，One end of disk power shaft 52 is connected to the output shaft of intensity motor 56 by belt transmission，Intensity motor 56 is fixed on outside the second housing 51 of core framework 1 rotating shaft side，The other end of disk power shaft 52 is equipped with coupling magnetic disk group 53，Magnetic disk group 53 include coaxial package active magnetic inductive disks on disk power shaft 52 and be coaxially folded in active magnetic inductive disks both sides not shown in the dynamic magnetic induction dish 531(figure)，It is rotatably connected on disk power shaft 52 by bearing from dynamic magnetic induction dish 531 and is rotationally connected one-stage gear group 54 by belt，One-stage gear group 54 engages again and is connected to secondary gear wheels 55，The most bonded rotary gear shaft being used for fixing turning gear 73 on rackwork 7 of the driven gear rotating shaft 551 of secondary gear wheels 55，When intensity motor 56 band movable magnetic disc power shaft 52 rotates、When disk power shaft 52 drives active magnetic inductive disks synchronous rotary again，Active magnetic inductive disks with produce relative motion from dynamic magnetic induction dish 531，Alternating magnetic field produces eddy current by air gap on the copper sheet inside dynamic magnetic induction dish 531，Eddy current produces induced field and the permanent magnet interaction in active magnetic inductive disks，Thus drive from the relative active magnetic inductive disks rotating in same direction of dynamic magnetic induction dish 531，I.e. magnetic induction transmission，Magnetic induction transmission rotates further through belt and is sequentially output to one-stage gear group 54、Secondary gear wheels 55 also export to rackwork 7，Therein one、Secondary gear wheels are the speed adjusting gears being made up of several interworking meshed gears，When magnetic induction transmission drives rackwork 7 and drives massage roller wheels 4 forward (towards human body back direction)，Massage roller wheels 4 resistance increases，Massage force increases，When resistance exceedes setting value，Massage roller wheels 4 be obstructed to stop move ahead，Rackwork 7 stops，One、Secondary gear wheels stall，From dynamic magnetic induction dish 531 stall，Now also keep rotation status due to active magnetic inductive disks，Therefore from dynamic magnetic induction dish 531 holding torque and by one、Secondary gear wheels etc. export to rackwork 7，Rackwork 7 also maintains constant thrust while stall，And this thrust makes massage roller wheels 4 maintain a certain equilibrium point，The most neither advancing nor retreating poised state，Massage roller wheels 4 are made with constant massage force, human body back to be massaged under this poised state，It can thus be appreciated that massage force increases when massage roller wheels 4 lean forward，And massage roller wheels 4 amount of leaning forward depends on magnetic induction output torque，Owing to intensity motor 56 is orientation constant-speed operation，For this by by one、The speed adjusting gear that secondary gear wheels are constituted can carry out rotational speed regulation.Therefore according to massage roller wheels 4 Resistance Value, swing before and after massage roller wheels 4 can being automatically adjusted by the linkage of the second gear train 5 with rackwork 7, be i.e. automatically adjusted massage force.
Specific embodiment described herein is only the design explanation for example to the present invention.Described specific embodiment can be made various amendment or supplements or use similar mode to substitute by those skilled in the art, but without departing from the spirit of the present invention or surmount scope defined in appended claims.
Claims (10)
1. the magnetic force 3D cassette mechanism structure of a massage armchair, the square core framework (1) being connected on the chair back including longitudinal sliding motion, it is characterized in that: on the lower frame of described core framework (1), be rotationally connected one end of movement fixed plate (2), movement fixed plate (2) is provided with the first gear train (3), first gear train (3) is connected to massage roller wheels (4) and massage roller wheels (4) can be driven to carry out reciprocal rubbing type or beating type operation, the rackwork (7) that movement fixed plate (2) can be driven to rotate it is provided with at movement fixed plate (2) other end, rackwork (7) is connected to the second gear train (5), and second gear train (5) movement fixed plate (2) relatively core framework (1) can be automatically adjusted according to massage roller wheels (4) Resistance Value and carry out swing.
The magnetic force 3D cassette mechanism structure of massage armchair the most according to claim 1, it is characterized in that: described first gear train (3) includes the first housing (31) being fixed in movement fixed plate (2), it is provided with a pair intermeshing worm gear (32) and worm screw (33) in first housing (31) of close rackwork (7) one end, one end of worm screw (33) is extended to the first housing (31) and outward and is connected on the output shaft of kneading motor (35) by the first belt pulley (34) towards rackwork (7) side, worm gear (32) is interspersed with oblique cambered axle (36), tiltedly the two ends of cambered axle (36) extend to the first housing (31) and outward and are rotationally connected massage roller wheels (4), kneading motor (35) drives massage roller wheels (4) to carry out reciprocal rubbing type and runs；In first housing (31) relative with rackwork (7), level is provided with torque-transmitting axle (37), torque-transmitting axle (37) is connected to beat on the output shaft of motor (39) by the second belt pulley (38), the two ends of torque-transmitting axle (37) extend to the first housing (31) and are rotationally connected outward and respectively one end of universal cue stick components (6), the other end of universal cue stick components (6) is rotatably connected on massage roller wheels (4), beats motor (39) and drives massage roller wheels (4) to carry out reciprocal beating type operation.
The magnetic force 3D cassette mechanism structure of massage armchair the most according to claim 2, it is characterised in that: described kneading motor (35) and beat motor (39) and be fixed on the first housing (31) outward.
The magnetic force 3D cassette mechanism structure of massage armchair the most according to claim 2, it is characterized in that: described massage roller wheels (4) include the carriage assembly (41) of triangle, tiltedly cambered axle (36) vertical rotation is connected on a corner of carriage assembly (41), horizontally rotates respectively and be connected to massage wheels (42) on two other corner of carriage assembly (41).
null5. according to the magnetic force 3D cassette mechanism structure of the massage armchair described in Claims 1-4 any one，It is characterized in that: described second gear train (5) includes the second housing (51) being fixed on core framework (1)，In second housing (51) relative with rackwork (7), level is provided with disk power shaft (52)，One end of disk power shaft (52) is connected to intensity motor (56) by belt transmission，The other end of disk power shaft (52) is provided with coupling magnetic disk group (53)，It is rotationally connected one-stage gear group (54) from dynamic magnetic induction dish (531) further through belt in coupling magnetic disk group (53)，One-stage gear group (54) engages again and is connected to secondary gear wheels (55)，The driven gear rotating shaft (551) of secondary gear wheels (55) is bonded on rackwork (7).
The magnetic force 3D cassette mechanism structure of massage armchair the most according to claim 5, it is characterised in that: described intensity motor (56) is fixed on the second housing (51) outward.
The magnetic force 3D cassette mechanism structure of massage armchair the most according to claim 5, it is characterised in that: being provided with supporting plate (57) on the core framework (1) corresponding with described second housing (51), the second housing (51) is fixed on supporting plate (57).
8. according to the magnetic force 3D cassette mechanism structure of the massage armchair described in Claims 1-4 any one, it is characterized in that: described rackwork (7) includes the fluted disc body (71) being vertically fixed in movement fixed plate (2), fluted disc body (71) lateral surface relative with movement fixed plate (2) rotating shaft is provided with tooth bar (72), being connected to turning gear (73) in tooth bar (72) upper interworking engagement, the rotating shaft of turning gear (73) is connected on the second gear train (5).
The magnetic force 3D cassette mechanism structure of massage armchair the most according to claim 8, it is characterised in that: it is connected to two tooth bars (72) in the upper parallel integral type of described fluted disc body (71).
The magnetic force 3D cassette mechanism structure of massage armchair the most according to claim 8, it is characterized in that: the upper end level described fluted disc body (71) extends inwardly to form horizontal fixed plate (74), horizontal fixed plate (74) is fixed on the end face on the first gear train (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410701137.XA CN104546399B (en) | 2014-11-28 | 2014-11-28 | The magnetic force 3D cassette mechanism structure of massage armchair |
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| CN201410701137.XA CN104546399B (en) | 2014-11-28 | 2014-11-28 | The magnetic force 3D cassette mechanism structure of massage armchair |
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| CN104546399A CN104546399A (en) | 2015-04-29 |
| CN104546399B true CN104546399B (en) | 2016-09-28 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105105998B (en) * | 2015-10-08 | 2017-06-23 | 苏州春天印象健身器材有限公司 | The spring contraction device of 3D movements |
| CN107296722A (en) * | 2017-06-23 | 2017-10-27 | 台聪 | A kind of leg massager |
| CN107456351A (en) * | 2017-08-30 | 2017-12-12 | 贺国平 | A kind of magnetic induction massage armchair |
| CN114224110B (en) * | 2021-12-27 | 2023-07-28 | 和也健康科技有限公司 | Gyromagnetic chair capable of generating rotating steady-state magnetic field |
| CN115670888B (en) * | 2022-10-09 | 2023-08-25 | 慕思健康睡眠股份有限公司 | Massage armchair movement and massage armchair |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR101144813B1 (en) * | 2010-05-11 | 2012-05-11 | 엘지전자 주식회사 | Massage chair |
| US8480603B2 (en) * | 2011-04-08 | 2013-07-09 | Hsin Hao Health Materials Co., Ltd. | Driving mechanism for a massage chair |
| US9149409B2 (en) * | 2012-07-17 | 2015-10-06 | Daito Electric Machine Industry Company Limited | Back kneading device and chair-type massage apparatus equipped with the back kneading device |
| CN102860911B (en) * | 2012-09-29 | 2014-03-12 | 林彬 | Three-dimensional massage device of massage armchair |
| CN204364379U (en) * | 2014-11-28 | 2015-06-03 | 宁波奥森健身器材科技有限公司 | The magnetic force 3D cassette mechanism structure of massage armchair |
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