CN106619014B - Massage armchair for preventing spine from micro-deformation - Google Patents
Massage armchair for preventing spine from micro-deformation Download PDFInfo
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- CN106619014B CN106619014B CN201611261485.5A CN201611261485A CN106619014B CN 106619014 B CN106619014 B CN 106619014B CN 201611261485 A CN201611261485 A CN 201611261485A CN 106619014 B CN106619014 B CN 106619014B
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- 230000007246 mechanism Effects 0.000 claims abstract description 145
- 230000001965 increasing effect Effects 0.000 claims description 3
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- 206010039722 scoliosis Diseases 0.000 abstract description 45
- 230000000694 effects Effects 0.000 abstract description 24
- 238000012937 correction Methods 0.000 abstract description 12
- 238000000034 method Methods 0.000 abstract description 6
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- 238000009826 distribution Methods 0.000 description 6
- 230000004323 axial length Effects 0.000 description 5
- 238000005452 bending Methods 0.000 description 5
- 238000000554 physical therapy Methods 0.000 description 5
- 238000011282 treatment Methods 0.000 description 5
- 238000003825 pressing Methods 0.000 description 4
- 230000000399 orthopedic effect Effects 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 3
- 230000003068 static effect Effects 0.000 description 3
- 210000000689 upper leg Anatomy 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 239000011436 cob Substances 0.000 description 2
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- 210000001202 rhombencephalon Anatomy 0.000 description 2
- 238000001356 surgical procedure Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 206010010214 Compression fracture Diseases 0.000 description 1
- 206010010356 Congenital anomaly Diseases 0.000 description 1
- 206010058907 Spinal deformity Diseases 0.000 description 1
- 230000002159 abnormal effect Effects 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
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- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
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- 238000012148 non-surgical treatment Methods 0.000 description 1
- 230000001144 postural effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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Classifications
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- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H15/00—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains
- A61H15/0078—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains power-driven
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F5/00—Orthopaedic methods or devices for non-surgical treatment of bones or joints; Nursing devices; Anti-rape devices
- A61F5/01—Orthopaedic devices, e.g. splints, casts or braces
- A61F5/04—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints
- A61F5/042—Devices for stretching or reducing fractured limbs; Devices for distractions; Splints for extension or stretching
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H1/00—Apparatus for passive exercising; Vibrating apparatus; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
- A61H1/02—Stretching or bending or torsioning apparatus for exercising
- A61H1/0218—Drawing-out devices
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H1/00—Apparatus for passive exercising; Vibrating apparatus; Chiropractic devices, e.g. body impacting devices, external devices for briefly extending or aligning unbroken bones
- A61H1/02—Stretching or bending or torsioning apparatus for exercising
- A61H1/0292—Stretching or bending or torsioning apparatus for exercising for the spinal column
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H15/00—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains
- A61H2015/0007—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains with balls or rollers rotating about their own axis
- A61H2015/0042—Balls or spheres
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/01—Constructive details
- A61H2201/0119—Support for the device
- A61H2201/0138—Support for the device incorporated in furniture
- A61H2201/0149—Seat or chair
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/16—Physical interface with patient
- A61H2201/1602—Physical interface with patient kind of interface, e.g. head rest, knee support or lumbar support
- A61H2201/1623—Back
- A61H2201/1626—Holding means therefor
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61H—PHYSICAL THERAPY APPARATUS, e.g. DEVICES FOR LOCATING OR STIMULATING REFLEX POINTS IN THE BODY; ARTIFICIAL RESPIRATION; MASSAGE; BATHING DEVICES FOR SPECIAL THERAPEUTIC OR HYGIENIC PURPOSES OR SPECIFIC PARTS OF THE BODY
- A61H2205/00—Devices for specific parts of the body
- A61H2205/08—Trunk
- A61H2205/081—Back
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- Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Veterinary Medicine (AREA)
- Public Health (AREA)
- General Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Rehabilitation Therapy (AREA)
- Physical Education & Sports Medicine (AREA)
- Pain & Pain Management (AREA)
- Epidemiology (AREA)
- Orthopedic Medicine & Surgery (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Nursing (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Neurology (AREA)
- Massaging Devices (AREA)
Abstract
The utility model relates to a massage armchair for preventing spine micro-deformation, which comprises a backrest (1), wherein a mounting base (8) is fixedly arranged on the backrest (1), two groups of rotating wheel mechanisms are symmetrically arranged on the two sides of the central axis of the mounting base (8) and correspond to the upper and lower positions on the two sides around the human spine, and each group of rotating wheel mechanisms comprises a first rotating wheel mechanism (3), a second rotating wheel mechanism (4), a third rotating wheel mechanism (5) and a fourth rotating wheel mechanism (6). Compared with the prior art, the utility model has the beneficial effects that: the optimal effect on scoliosis correction is realized through the combined load of axial traction and transverse stretching generated by two groups of rotating wheel mechanisms which are symmetrically arranged; meanwhile, the rotating wheel mechanism can indirectly increase traction force so as to enhance the comfort of a human body in the massaging process of preventing the micro-deformation of the spine.
Description
Technical Field
The utility model relates to a massage armchair, in particular to a massage armchair for preventing spine micro-deformation.
Background
Scoliosis is a spinal deformity with a high incidence of scoliosis, including scoliosis caused by sequence abnormalities in the coronal, sagittal, and axial positions. There are various causes of scoliosis, including structural scoliosis (e.g., idiopathic, congenital, neuromuscular, etc.) and non-structural scoliosis (e.g., postural scoliosis, hysterical scoliosis, etc.). Scoliosis has a great influence on respiratory system, functions of internal organs, trunk morphology and the like. Treatment of scoliosis is divided into surgical and non-surgical treatments. Because of the complex etiology of scoliosis, the treatment means need to be considered from the aspects of the characteristics of scoliosis, the age of the patient, the development of bone age and the like. Three-dimensional orthopedic techniques and pedicle screw fixation techniques are the more common surgical treatment, but their safety remains a number of issues. Non-operative treatment, i.e. conservative treatment methods, are common among suspension exercises, orthopedic gymnastics, braces and physiotherapy. In order to obtain the characteristics of scoliosis, a mechanism research is developed on the aspect of the mechanical characteristics of scoliosis. B Zhang, DM Sun, JM Xie et al used finite element analysis software to simulate scoliosis by applying a load, analyzing the effect of lateral forces on scoliosis and pelvic tilt while Cobb angle remained unchanged. Wang Xuesong et al have used finite element software to create a three-dimensional finite element model of scoliosis, which simulates the characteristics of scoliosis. Yang Yonghong et al set up a scoliosis three-dimensional finite element model, calculated the stress distribution of the spinal activity, intervertebral discs, vertebral bodies and other parts, and analyzed the mechanical characteristics of degenerative scoliosis. Wei Jianxin A scoliosis finite element model after the semi-vertebral body is resected is established, and biomechanical influence of the transverse connection device on the posterior of the spine is analyzed. In order to correct and recover scoliosis, sun Shoulin and Zhu Linjian design a traction orthosis for scoliosis, which is connected between the waist and the shoulders by a multi-section bearing frame, and when the multi-section bearing frame is pressed, the spine is caused to bend to the convex side for correcting. Xu Ziyin A spinal rehabilitation bed is designed for the old, and the back lifting function of the rehabilitation bed swings and rotates the spinal column, so that the mobility and flexibility of each joint of the spinal column are enhanced. Zhang Hongzhu A device for treating the compression fracture of thoracic vertebrae and correcting the scoliosis is disclosed, which uses a traction cylinder to push a thrust plate to carry out traction treatment on the scoliosis of patients. Ren Hailong and Wang Jixing are directed to a scoliosis corrector in which the curved guide posts can generate elastic forces that return to a linear shape and thereby apply corrective forces to the spine to assist in the correction of the spine in the teenagers during their development. Liang Hanji the utility model discloses a vertebra rehabilitation traction mechanism, which adopts a nut screw device as motion transformation to realize tension output and vertebra traction correction. The prior orthopedic equipment for scoliosis mainly carries out physiotherapy in physical modes such as pressing or hammering, has limited effect on correcting scoliosis, and has unclear long-term effect. Scoliosis is a common disease with great harm, and no physical therapy device has a prevention effect on the scoliosis at present. The massage mechanisms of the massage chairs in the market at present mostly consist of pulley structures, the force application modes to the spine are generally axial or radial, and the motion tracks of the structures can not well prevent or correct the micro-deformation of the spine.
The Chinese patent of utility model with patent number ZL02123544.9 discloses a head, back and foot massager driven by a massager. The massage person sits on the massage chair, the back and the hindbrain spoons lean against the rollers, the hands and the feet (the shoes are taken off and the massage casters are stepped on) alternately drive the four-component rod mechanism behind the massage person, the compound lever mechanism and the back roller group on the massage person, and the back of the massage person is massaged in a rolling way up and down; the floating cervical vertebra roller set which is driven by elastic force and consists of a lever mechanism is driven to flexibly massage the acupoints on two sides of the cervical vertebra and hindbrain spoon of the masseur; each back roller can be horizontally moved and adjusted, the cervical vertebra roller group and the back roller group can be respectively moved and adjusted up and down, and the length of the rope can be manually and rapidly adjusted. However, the utility model still performs physical therapy in a pressing physical mode, has limited effect on preventing the micro-deformation of the spine, and therefore cannot realize the technical effect of preventing the micro-deformation of the spine, and needs to be improved.
The Chinese patent No. ZL201120276322.0 discloses a massage chair capable of massaging the thigh from the head and simulating the zero gravity state, which is provided with a seat frame, a seat rest part, an armrest, an electric push rod of the seat rest part, a walking massage machine core and a control circuit; the sitting and leaning part comprises a backrest part and a sitting position part, the sitting and leaning part is provided with a shell and a guide rail frame, the guide rail frame is arranged in the shell, the length and the shape of the guide rail frame are similar to the shape of a natural curve from the head to the thigh when a human body sits, and the guide rail frame is rotationally connected with the seat frame; the bottom end of the electric push rod of the seat rest is connected with the seat frame, and the output end of the electric push rod of the seat rest is hinged with the bottom of the guide rail frame; the walking type massage machine core is arranged in the shell of the backrest frame, and the walking wheels of the walking type massage machine core are in rolling fit with the guide rails of the guide rail frame; the control circuit is arranged on the seat frame. The best effect of massage from the head to the thigh and zero gravity massage can be achieved. Simple structure, the connecting piece is few, reducible preparation and assembly error, reliable operation, convenient operation. However, the utility model still carries out physical therapy in a pressing physical mode, has limited effect on preventing the micro-deformation of the spine, cannot realize the technical effect of preventing the micro-deformation of the spine, and needs to be improved.
The utility model patent No. ZL201210309532.4 discloses a massage chair movement massage structure, including core skeleton and core, set up the recess in the core skeleton, the core sets up in the recess, and both sides are articulated respectively about the core surface have the massage arm, and the massage arm includes with the articulated support arm of core surface, fixed the iron massage ball cover that sets up in the support arm both ends and overlap joint on the massage ball cover, the inwards sunken hemisphere recess that has in massage ball cover surface, hemisphere recess and massage ball surface cooperation are provided with strong magnet in the massage ball, and the massage ball is connected with the hemisphere recess surface adsorption of massage ball cover through strong magnet. According to the utility model, through the structural arrangement of the massage ball, random rolling in any different angle directions can be realized, the massage comfort is ensured, and the massage effect is improved. However, because the massage ball of the utility model rolls randomly, the massage ball is still physically treated by pressing, the effect of preventing the micro-deformation of the spine is limited, and the technical effect of preventing the micro-deformation of the spine cannot be realized, so that the improvement is needed.
The utility model patent number ZL201210469981.5 Chinese patent discloses a hydraulic body-building massage chair, comprising a chair seat support, a chair back support, a pedal, a driving large sprocket, a hydraulic pump, a hydraulic motor, a gear box and a back massage disk, wherein the chassis of the chair seat support is provided with the driving large sprocket connected with the pedal, the driving large sprocket is connected with a driven sprocket with a one-way overrunning clutch through a chain, the driven sprocket is connected with the hydraulic pump, the hydraulic pump is connected with the hydraulic motor arranged in the gear box at the back through an oil pipe, the hydraulic motor drives more than 1 gear to be connected with the back massage disk on the back through a gear shaft, and the back massage disk is provided with a plurality of massage wheels; the pedal is provided with a massage wheel. The utility model can massage the fatigue part of the body while realizing indoor body building so as to achieve the effect of achieving two purposes at one time; the energy-saving and environment-friendly type electric vehicle has the advantages of energy conservation, environment friendliness, simplicity in operation, no need of electric drive, low cost, small occupied area, easiness in movement and the like. The back massage device is characterized in that the gears 24 are driven to move by the rotation of the hydraulic motor 22 to drive a group of back massage discs 5 arranged in the middle of the back to rotate, so that back massage is realized. Obviously, the effect of preventing the micro-deformation of the spine is limited, the technical effect of preventing the micro-deformation of the spine cannot be achieved, and improvement is needed.
Disclosure of Invention
In order to solve the technical defects of the prior massage armchair, the utility model takes biomechanical characteristics of scoliosis as the basis, obtains the conclusion that the combined load of axial traction and transverse stretching has the best correcting effect on the scoliosis from the analysis of the static stress of the spine, and provides the massage armchair with the function of preventing the micro-deformation of the spine aiming at adult population preventing the micro-deformation of the spine, and the specific technical scheme is as follows:
the utility model provides a prevent little massage armchair of warp of backbone, includes the back, set firmly the installation base on the back the axis both sides of installation base and respectively the symmetry is provided with two sets of runner mechanisms corresponding to the upper and lower position of the both sides around human backbone, two sets of runner mechanisms include first runner mechanism, second runner mechanism, third runner mechanism and fourth runner mechanism.
Preferably, the mounting base is symmetrically provided with two groups of mounting holes along the upper and lower positions of the two sides of the central axis, and the two groups of mounting holes are respectively a first rotating wheel mechanism mounting hole, a second rotating wheel mechanism mounting hole, a third rotating wheel mechanism mounting hole and a fourth rotating wheel mechanism mounting hole.
In any of the above schemes, preferably, the rotating wheel mechanism comprises a rotating bracket of the rotating wheel mechanism, one end of the rotating bracket of the rotating wheel mechanism is connected with the motor, the other end of the rotating bracket of the rotating wheel mechanism is provided with a three-jaw bracket, three ball supports are arranged on the three-jaw bracket, the ball supports are provided with concave grooves, ball rotating shafts are arranged in the concave grooves, and balls are sleeved on the ball rotating shafts.
In any of the above aspects, it is preferable to include an armrest.
In any of the above schemes, preferably, a lifting mechanism is arranged between the mounting base and the top of the backrest, so that the mounting base can realize the movement adjustment of the up-down position.
In any of the above embodiments, it is preferable that the lifting mechanism is of a hydraulic type.
In any of the above embodiments, it is preferable that the lifting mechanism adopts a telescopic structure.
In any of the above embodiments, preferably, the lifting mechanism is of a telescopic structure.
In any of the above embodiments, preferably, the lifting mechanism adopts a telescopic arm structure.
In any of the above embodiments, preferably, the lifting mechanism adopts a folding arm type structure.
In any of the above embodiments, it is preferable that the wheel mechanism mounting hole is formed with a guide slot in a horizontal direction.
In any of the above embodiments, preferably, a back angle adjusting device is provided at a lower portion of the backrest.
In any of the above aspects, preferably, the back angle adjusting device adopts a crank link mechanism.
In any of the above aspects, it is preferable to include a seat height adjustment device.
In any of the above aspects, it is preferable that the seat height adjusting means employs a manual adjusting mechanism.
In any of the above aspects, it is preferable that the seat height adjusting device employs an electric adjusting mechanism.
In any of the above aspects, it is preferable that the seat height adjusting device employs a pneumatic adjusting mechanism.
Compared with the prior art, the utility model has the beneficial effects that: the utility model realizes the technical effect of preventing the micro-deformation of the spine by the combined load of axial traction and transverse stretching generated by two groups of rotating wheel mechanisms which are respectively and symmetrically arranged at the upper and lower positions corresponding to the two sides around the spine of the human body; simultaneously, the rotating wheel mechanism not only provides transverse force and longitudinal force, but also indirectly increases traction force so as to increase comfort of a human body in the process of preventing the micro-deformation of the spine.
Drawings
FIG. 1 is a perspective view of a preferred embodiment of a massage chair for preventing spinal micro-deformity, according to the present utility model;
FIG. 2 is a front view of the embodiment of the massage armchair of FIG. 1 for preventing micro-deformations of the spine according to the present utility model;
FIG. 3 is a right side view of the embodiment of the massage armchair of FIG. 1 for preventing micro-deformation of the spinal column according to the present utility model;
FIG. 4 is a perspective view of the wheel mechanism assembly mounting base of the embodiment of FIG. 1 of the massage chair for preventing micro-deformation of the spine in accordance with the present utility model;
FIG. 5 is a front view of the wheel mechanism assembly mounting base of the embodiment of FIG. 4 of the massage chair for preventing micro-deformation of the spine in accordance with the present utility model;
FIG. 6 is a top view of the wheel mechanism assembly mounting base of the embodiment of FIG. 4 of the massage chair for preventing micro-deformation of the spine in accordance with the present utility model;
FIG. 7 is a bottom view of the wheel mechanism assembly mounting base of the embodiment of FIG. 4 of the massage chair for preventing micro-deformation of the spine in accordance with the present utility model;
FIG. 8 is a perspective view of the wheel mechanism of the embodiment of FIG. 1 of the chair according to the present utility model for preventing micro-deformation of the spine;
FIG. 9 is a front view of the wheel mechanism of the embodiment of FIG. 1 of the chair according to the present utility model for preventing micro-deformation of the spine;
FIG. 10 is a right side view of the wheel mechanism of the embodiment of FIG. 1 of the chair according to the present utility model for preventing micro-deformation of the spine;
FIG. 11 is a schematic view of the rotational direction of the four wheel mechanisms of the embodiment of FIG. 1 of a sitting-posture ridge-correcting massage chair according to the present utility model;
FIG. 12 is a schematic view of a force analysis of the spinal column when subjected to axial forces;
FIG. 13 is a schematic view of a force analysis of the spinal column when subjected to lateral forces;
FIG. 14 is a schematic view of a force analysis of the spinal column as it is subjected to a combination of axial and transverse forces;
fig. 15 is a perspective view of a conventional massage chair provided with a pulley mechanism.
Reference numerals illustrate:
1 a backrest; 2 armrests; 3 a first runner mechanism; 4, a second rotating wheel mechanism; 5 a third runner mechanism; 6 a fourth wheel mechanism; 8, mounting a base; 9 a first rotating mechanism mounting hole; 10 a second runner mechanism mounting hole; 11 a third runner mechanism mounting hole; 12 fourth wheel mechanism mounting holes; 13 rotating the bracket by a rotating wheel mechanism; 14 ball support; 15 ball spindle; 16 balls; 21 pulley mechanism.
Detailed Description
The present embodiment is merely a preferred embodiment, and the arrangement and connection of the respective constituent components in the preferred embodiment are not limited to the following embodiments described in the present embodiment, and may be any arrangement and combination of the constituent components to form a complete embodiment.
As shown in figures 1-11, the massage armchair for preventing the micro-deformation of the spine comprises a backrest 1, wherein a mounting base 8 is fixedly arranged on the backrest 1, two groups of rotating wheel mechanisms are symmetrically arranged on the two sides of the central axis of the mounting base 8 and correspond to the upper and lower positions of the two sides around the spine of a human body, and each group of rotating wheel mechanisms comprises a first rotating wheel mechanism 3, a second rotating wheel mechanism 4, a third rotating wheel mechanism 5 and a fourth rotating wheel mechanism 6. Two groups of mounting holes are symmetrically formed in the upper and lower positions of the mounting base 8 along the two sides of the central axis, and the two groups of mounting holes are respectively a first rotating wheel mechanism mounting hole 9, a second rotating wheel mechanism mounting hole 10, a third rotating wheel mechanism mounting hole 11 and a fourth rotating wheel mechanism mounting hole 12. The rotating wheel mechanism comprises a rotating wheel mechanism rotating support 13, one end of the rotating wheel mechanism rotating support 13 is connected with a motor, a three-jaw support is arranged at the other end of the rotating wheel mechanism rotating support, three ball supports 14 are arranged on the three-jaw support, concave grooves are formed in the ball supports 14, ball rotating shafts 15 are arranged in the concave grooves, and balls 16 are sleeved on the ball rotating shafts 15. Including the armrest 2. A lifting mechanism is arranged between the mounting base 8 and the top of the backrest 1, so that the mounting base 8 can realize the movement adjustment of the up-down position, and the lifting mechanism can adopt any one of a hydraulic structure, a telescopic arm structure and a folding arm structure. The runner mechanism mounting hole is provided with a guide slot in the horizontal direction. The lower part of the backrest 1 is provided with a backrest angle adjusting device, and the backrest angle adjusting device adopts a crank connecting rod mechanism. The device comprises a seat height adjusting device, wherein the seat height adjusting device can adopt any one of a manual adjusting mechanism, an electric adjusting mechanism and a pneumatic adjusting mechanism.
The utility model starts from the stress analysis of scoliosis correction, on the basis of simplifying the spine into a two-dimensional model, the axial load, the transverse load and the composite load statics of the two in the scoliosis correction are compared, and a massage chair for preventing the micro-deformation of the spine is provided based on the comparison, on one hand, the biomechanical property of the massage chair for preventing the micro-deformation of the spine for applying force to the spine is obtained through the mechanical analysis of the rotating mechanism; on the other hand, the effect of the massage chair for preventing the micro deformation of the spine is simulated and demonstrated by adopting ANSYS software, and the influence of the rotating wheel mechanism on the micro deformation of the spine is further analyzed by changing the size of the transverse load and the longitudinal load provided by the rotating mechanism.
The working principle of the utility model is as follows: as shown in fig. 11, two sets of rotating wheel mechanisms are symmetrically arranged along two sides of a central axis of the mounting base 8 and correspond to upper and lower positions of two sides around a human spine, three balls 16 are uniformly distributed on a three-jaw support of each rotating wheel mechanism, the balls 16 perform circumferential rotation with a certain frequency under the driving of a motor and roll on a back, and tangential force applied to the back is transmitted to the spine, so that the functions of traction and stretching the spine are realized. The rotation directions of the four rotating wheel mechanisms are specifically as follows: the first rotating wheel mechanism 3 rotates from the outer side of the spine to the inner side of the spine, the rotating direction of the second rotating wheel mechanism 4 is opposite to the rotating direction of the first rotating wheel mechanism 3, the third rotating wheel mechanism 5 rotates from the inner side of the spine to the outer side of the spine, and the rotating direction of the fourth rotating wheel mechanism 6 is opposite to the rotating direction of the third rotating wheel mechanism 5. Although the rotation directions of the four rotating wheel mechanisms are different, the rotation friction force and the rotation torque applied by the four rotating wheel mechanisms on the back of a human body are the same in magnitude. The rotating wheel mechanism not only provides transverse force, but also provides longitudinal force, thereby indirectly increasing traction force, and properly adjusting traction weight in a small range can realize the technical effect of enhancing human comfort.
The force analysis for scoliosis correction is specifically as follows:
the mechanics of scoliosis are defined as abnormal deformations (excessive bending or excessive rotation) between or within the vertebrae. In the correction of scoliosis, axial and lateral forces have been used in many applications. Axial forces are commonly applied to skeletal muscle traction, milwaukee's frame, harrington's system, and the like. Lateral forces are commonly applied at Milwaukee shelves and Risser tables. To compare the hydrostatic behavior of axial forces, lateral forces, and a combination of both in scoliosis correction, the spine is reduced to a two-dimensional model.
It is assumed that only axial forces are exerted on the spine, as shown in fig. 12. Axial forces act on two points a and B of the spinal column segment, the axial force at point a being upward and the axial force at point B being downward. The axial forces at points a and B have a traction straightening effect on the spine. Notably, the pulling mechanism employed in practice acts on each disc. Point C is the center of torsion, moving on the same frontal plane. The AC and BC segments simulate the deformity of the scoliosis Cobb angle. The corrective moment created by the axial force (i.e., bending moment) is defined as the force F times the perpendicular distance from the apex to the force. For the case where only axial forces are applied to the spine, the corrective moment Ma is:
Ma = FLsin(β) （1）
the length of the AC section and the length of the BC section are L, the axial force is F, and an included angle formed by the AC section and the AB section is beta.
It is assumed that only lateral forces are exerted on the spine, as shown in fig. 13. The transverse force F acts at point C, creating a force of 0.5F at both points a and B to balance. The lateral forces at points a and B have a push-straightening effect on the spine. The corrective moment created by the lateral force (i.e., bending moment) is defined as the force F times the perpendicular distance from the apex to the end vertebrae. A corrective moment is formed at point C which acts on the different discs to form the corrective action. For the case where only lateral forces are applied to the spine, the corrective moment Ma is:
Ma = 0.5FLcos(β) （2）
from the above analysis, the greater the severity of the lateral curvature, the longer the vertical distance from the apex to the applied force, and the shorter the vertical distance from the apex to the end, i.e., the corrective moment developed by the axial force increases with the increase in the degree of deformity, while the corrective moment developed by the transverse force decreases with the increase in the degree of deformity. It can be seen that the axial and lateral forces play different roles during correction of scoliosis. The axial force is exerted more significantly in the case of severe lateral bending, while the lateral force is exerted more significantly in the case of lighter lateral bending. If both axial and transverse forces are applied to the spine, the correction should be optimal.
It is assumed that axial and lateral forces are applied together on the spine as shown in fig. 14. For the case of simultaneous axial and lateral forces applied to the spine, the corrective moment Ma is:
Ma = FLsin(β) + 0.5FLcos(β) （3）
the analysis of the stress during the recovery of scoliosis shows that no matter how much the deformation degree of the spine is, the combined stress mode of axial traction and transverse extrusion has the best correction effect on the slight change of the spine.
Stress analysis and test data of the utility model:
in order to compare the effect of the lateral and longitudinal loads provided by the rotating mechanism on preventing spinal micro-deformations, both the lateral and longitudinal loads provided by the rotating mechanism were set as static forces in ANSYS.
The lateral and longitudinal load changes provided by the rotating mechanism affect spinal micro-variability. Wherein, when the transverse load is 0N and the longitudinal load is 5N, the distribution characteristics of the total deformation of the spine along with the axial length of the spine are as follows: the total deformation of the spine reaches the maximum value at the scoliosis, and the maximum total deformation gradually decreases along with the increase of the upward or downward distance at the maximum scoliosis. The longitudinal load provided by the rotating mechanism produces a higher deformation in the upper portion of the spine than in the lower portion of the spine. The distribution characteristics of the total deformation of the spine along with the axial length of the spine when the transverse load is 5N and the longitudinal load is 0N are as follows: the total deformation of the spine peaks at the spinal deformation, which is close to the maximum total deformation that would occur to the spine if the runner mechanism only provided a longitudinal load of 5N. It can be seen that the lateral load provided by the runner mechanism produces a higher overall deformation of the upper portion of the spine and a lower overall deformation of the lower portion of the spine.
The impact on spinal micro-variation when changing the compound load provided by the rotating wheel mechanism. The combined load of the wheel mechanism was set to 5N, 10N and 15N, respectively. The distribution characteristics of the total deformation of the spine along with the axial length of the spine when the composite load is 5N are as follows: the maximum value of the total deformation of the spine occurs at the maximum of the deformation of the spine. The distribution characteristics of the total deformation of the spine along with the axial length of the spine when the composite load is 10N are as follows: the maximum value of the total deformation of the spine still occurs at the position with the most serious scoliosis. The distribution characteristics of the total deformation of the spine along with the axial length of the spine when the composite load is 15N are as follows: the maximum value of the total deformation of the spine is positioned at the position of the maximum deformation of the spine. It can be seen that the magnitude of the increase in total spinal column deflection reaches about 70% as the combined load of the wheel mechanism changes from 5N to 10N. And when the composite load of the rotating wheel mechanism is increased from 10N to 15N, the increase of the total deformation of the spine is about 60%. Obviously, the deformation of the upper part of the spine caused by the composite load of the rotating wheel mechanism is higher than that of the lower part of the spine.
The impact analysis of the composite force of the rotating wheel mechanism on the spine micro-transformation is integrated, and the axial and transverse loads provided by the rotating wheel mechanism can make up for the deficiency of traction load, so that the comfort of patients in the rehabilitation and health care process is improved.
Through the mechanical analysis on the massage armchair for preventing the micro-deformation of the spine, which is related to the utility model, the utility model is proved to realize the consistency of the theoretical basis and the test data of the spine correction.
As shown in fig. 15, in the prior art, the force application manner of the massage armchair provided with the pulley mechanism is generally that the force application manner of the technical scheme to the spine is carried out by adopting axial force alone or radial force alone, so that the micro-deformation of the spine cannot be well prevented by the movement tracks of the structures, and the function of preventing the micro-deformation of the spine cannot be realized.
Claims (16)
1. The massage chair for preventing the spine from micro deformation comprises a backrest (1), and is characterized in that a mounting base (8) is fixedly arranged on the backrest (1), two groups of rotating wheel mechanisms are symmetrically arranged on the two sides of the central axis of the mounting base (8) and correspond to the upper and lower positions on the two sides around the spine of a human body, and each group of rotating wheel mechanisms comprises a first rotating wheel mechanism (3), a second rotating wheel mechanism (4), a third rotating wheel mechanism (5) and a fourth rotating wheel mechanism (6); the rotating wheel mechanism comprises a rotating wheel mechanism rotating bracket (13), one end of the rotating wheel mechanism rotating bracket (13) is connected with a motor, the other end of the rotating wheel mechanism rotating bracket is provided with a three-jaw bracket, three ball supports (14) are arranged on the three-jaw bracket, the ball supports (14) are provided with concave grooves, ball rotating shafts (15) are arranged in the concave grooves, and balls (16) are sleeved on the ball rotating shafts (15); the rotation directions of the four rotating wheel mechanisms are specifically as follows: the first rotating wheel mechanism (3) rotates from the outer side of the spine to the inner side of the spine, the rotating direction of the second rotating wheel mechanism (4) is opposite to the rotating direction of the first rotating wheel mechanism (3), the third rotating wheel mechanism (5) rotates from the inner side of the spine to the outer side of the spine, and the rotating direction of the fourth rotating wheel mechanism (6) is opposite to the rotating direction of the third rotating wheel mechanism (5); the rotating directions of the four rotating wheel mechanisms are different, and the values of the rotating friction force and the rotating torque applied to the back of the human body are the same; the wheel mechanism provides not only a lateral force but also a longitudinal force, thereby indirectly increasing traction.
2. The massage armchair for preventing the micro-deformation of the spine according to claim 1, wherein the mounting base (8) is symmetrically provided with two groups of mounting holes along the upper and lower positions of the two sides of the central axis, namely a first rotating wheel mechanism mounting hole (9), a second rotating wheel mechanism mounting hole (10), a third rotating wheel mechanism mounting hole (11) and a fourth rotating wheel mechanism mounting hole (12).
3. Massage armchair for preventing micro-deformations of the spine according to claim 1, characterized in that it comprises armrests (2).
4. A massaging chair for preventing micro-deformation of the spine as claimed in claim 1, characterized in that a lifting mechanism is arranged between the mounting base (8) and the top of the backrest (1).
5. The massage armchair for preventing vertebral column micro-deformation according to claim 4, wherein the lifting mechanism adopts a hydraulic structure.
6. The massage armchair for preventing vertebral column micro-deformation according to claim 4, wherein the lifting mechanism adopts a telescopic structure.
7. The massage armchair for preventing vertebral column micro-deformation according to claim 4, wherein the lifting mechanism adopts a sleeve type structure.
8. The massage armchair for preventing vertebral column micro-deformation according to claim 4, wherein the lifting mechanism adopts a telescopic arm type structure.
9. The massage armchair for preventing vertebral column micro-deformation according to claim 4, wherein the lifting mechanism adopts a folding arm type structure.
10. The massage armchair for preventing micro-deformation of the vertebral column according to claim 2, wherein the installation hole of the rotating wheel mechanism is provided with a guide slot in the horizontal direction.
11. A massaging chair for preventing micro-deformation of spine according to claim 1, characterized in that the lower part of the backrest (1) is provided with a chair back angle adjusting device.
12. The massage armchair for preventing vertebral column micro-deformation according to claim 11, wherein the chair back angle adjusting device adopts a crank-link mechanism.
13. A massaging chair for preventing micro-deformation of the spine as claimed in claim 1, comprising a chair height adjusting device.
14. The massage armchair for preventing vertebral column micro-deformation according to claim 13, wherein the seat height adjusting means adopts a manual adjusting mechanism.
15. The massage armchair for preventing vertebral column micro-deformation according to claim 13, wherein the seat height adjusting device adopts an electric adjusting mechanism.
16. The massage armchair for preventing vertebral column micro-deformation according to claim 13, wherein the seat height adjusting device adopts a pneumatic adjusting mechanism.
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| CN107823795A (en) * | 2017-09-28 | 2018-03-23 | 北京联合大学 | A kind of physiotherapy equipment |
| CN107854291A (en) * | 2017-11-04 | 2018-03-30 | 杭州同筹网络科技有限公司 | A kind of dependence mechanism applied to automatic massage chair and a kind of massage armchair |
| CN107661204A (en) * | 2017-11-04 | 2018-02-06 | 杭州同筹网络科技有限公司 | A kind of framework coordinated control system applied to massage armchair and a kind of massage armchair |
| CN107661205A (en) * | 2017-11-04 | 2018-02-06 | 杭州同筹网络科技有限公司 | A kind of frame mechanism applied to automatic massage chair and a kind of automatic massage chair |
| CN107693299A (en) * | 2017-11-04 | 2018-02-16 | 杭州同筹网络科技有限公司 | A kind of automatic massage chair |
| CN107928847A (en) * | 2017-12-18 | 2018-04-20 | 天津医科大学 | A kind of multi-pose spinal three-dimensional corrects robot |
| CN109124847B (en) * | 2018-07-23 | 2020-07-03 | 河南省中医院（河南中医药大学第二附属医院） | Multifunctional trainer for spinal column and limbs |
| CN112842874A (en) * | 2019-11-12 | 2021-05-28 | 吕雪峰 | Foot massager |
| CN113349552A (en) * | 2021-07-08 | 2021-09-07 | 河北科技师范学院 | Convenient-to-store computer desk |
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