CN110772408A - Double-eccentric link rod structure and application thereof in massage chair - Google Patents
Double-eccentric link rod structure and application thereof in massage chair Download PDFInfo
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- CN110772408A CN110772408A CN201911198957.0A CN201911198957A CN110772408A CN 110772408 A CN110772408 A CN 110772408A CN 201911198957 A CN201911198957 A CN 201911198957A CN 110772408 A CN110772408 A CN 110772408A
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- 239000003638 chemical reducing agent Substances 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims description 11
- 238000009434 installation Methods 0.000 claims description 7
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 210000001364 upper extremity Anatomy 0.000 abstract description 16
- 210000003205 muscle Anatomy 0.000 abstract description 15
- 210000003414 extremity Anatomy 0.000 abstract description 10
- 210000003141 lower extremity Anatomy 0.000 abstract description 9
- 206010049565 Muscle fatigue Diseases 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 6
- 238000010586 diagram Methods 0.000 description 3
- 238000007664 blowing Methods 0.000 description 2
- 210000000988 bone and bone Anatomy 0.000 description 2
- 230000009977 dual effect Effects 0.000 description 2
- 210000001087 myotubule Anatomy 0.000 description 2
- 210000001367 artery Anatomy 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000001125 extrusion Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
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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
- A61H7/00—Devices for suction-kneading massage; Devices for massaging the skin by rubbing or brushing not otherwise provided for
- A61H7/007—Kneading
-
- 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
- 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
- A61H23/00—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms
- A61H23/006—Percussion or tapping massage
-
- 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
- A61H23/00—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms
- A61H23/02—Percussion or vibration massage, e.g. using supersonic vibration; Suction-vibration massage; Massage with moving diaphragms with electric or magnetic drive
-
- 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
- A61H9/00—Pneumatic or hydraulic massage
- A61H9/005—Pneumatic massage
- A61H9/0078—Pneumatic massage with intermittent or alternately inflated bladders or cuffs
-
- 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
- A61H2015/0028—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains with balls or rollers rotating about their own axis disc-like, i.e. diameter substantially greater than width
- A61H2015/0035—Massage by means of rollers, balls, e.g. inflatable, chains, or roller chains with balls or rollers rotating about their own axis disc-like, i.e. diameter substantially greater than width multiple on the same axis
-
- 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
- A61H2201/50—Control means thereof
- A61H2201/5002—Means for controlling a set of similar massage devices acting in sequence at different locations on a patient
-
- 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
- A61H2205/06—Arms
-
- 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
- A61H2205/06—Arms
- A61H2205/062—Shoulders
-
- 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
- A61H2205/10—Leg
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- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Pain & Pain Management (AREA)
- Physical Education & Sports Medicine (AREA)
- Rehabilitation Therapy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Dermatology (AREA)
- Massaging Devices (AREA)
Abstract
The technical scheme of the invention discloses a double-eccentric link rod structure and application thereof in a massage chair, comprising a motor, a speed reducer, a rotating shaft, a massage wheel, an eccentric frame, an air bag mounting plate and an air bag; and the fixed shaft penetrates through the eccentric frames and is parallel to the rotating shaft space. The double-eccentric link structure of the massage chair provided by the invention has the advantages that the upper limbs and the lower limbs of a human body are massaged through the wavy eccentric massage wheels, the eccentric frame and the air bags arranged on the eccentric frame, the massage wheels sequentially and circularly flap the limb muscles from front to back to relieve fatigue and relax the muscles, the eccentric frame rotates in a reciprocating and flexible manner, meanwhile, the air bags which are greatly expanded and elastic are added to circularly press the limb muscles, the massage wheels and the air bags work simultaneously, the massage experience that a person close to a real person pinches the limb and rotates up and down in a reciprocating manner is realized, the massage comfort level is obviously improved, and the muscle fatigue is further effectively relieved.
Description
Technical Field
The invention relates to the technical field of massage chairs, in particular to a double-eccentric link rod structure and application thereof in a massage chair.
Background
The ideal way to massage the limbs is to take the massage of the upper limbs as an example, and take the massage of the upper limbs as an example: one method is that the two hands alternately grip the muscle of the arm from one end to the other end and relax in turn to gradually press the muscle to the other end, and the centripetal method (heart finding method) or the centrifugal method (telecentric method) in the theory of traditional Chinese medicine has the effect of promoting blood circulation along veins/arteries; the second is to hold the muscle of the arm with hands and press/knead the muscle on the axis perpendicular to the bone of the arm, and since the muscle fiber of the arm grows in the same direction as the bone of the arm, it is conventionally considered that the massage at 90 ° (other 2 axes in the three-dimensional space) to the growth direction of the muscle fiber can relax the muscle to the maximum. The massage mechanism of the existing massage chair for massaging the side of the body, the limbs and the like generally realizes the massage effect only through a simple massage part in a single form of vertically extruding muscles in an opening and closing mode, the body feeling of the massage is general, the action is single, and the massage mechanism is far away from an ideal massage mode. Therefore, it is very important to improve the massage structure of the massage chair to more closely approach the body feeling of "real massage".
Disclosure of Invention
The invention solves the technical problem that the existing massage chair only performs massage in a simple opening and closing extrusion mode, and the massage experience is general.
In order to solve the above technical problem, a technical solution of the present invention provides a double eccentric link structure, including:
a motor;
the speed reducing part is connected with the shaft end of the motor;
the rotating shaft is connected with the speed reducer;
the massage wheels are sequentially eccentrically fixed on the rotating shaft and are arranged in a wavy manner in the axial direction of the rotating shaft;
an eccentric frame is eccentrically arranged on the rotating shaft between every two massage wheels, an air bag mounting plate is movably arranged between every two eccentric frames through a link rod, and air bags are respectively arranged on the front side and the rear side of the air bag mounting plate relative to the link rod;
and the fixed shaft penetrates through the eccentric frames and is parallel to the rotating shaft space.
Optionally, the motor is a single-head motor or a double-head motor.
Optionally, the motor is a single-head motor, and a motor shaft of the single-head motor is connected with a group of the double-eccentric link structures.
Optionally, the motor is a double-headed motor, and motor shafts at two ends of the double-headed motor are respectively connected with a group of double-eccentric link rod structures.
Optionally, the speed reduction part is a speed reducer, the speed reducer includes a speed reduction housing, and a plurality of driving gears and driven gears installed in the speed reduction housing, a primary gear engaged with the driving gears is installed at an end of a motor shaft of the motor, and any driven gear is fixed to the rotating shaft.
Optionally, the plurality of massage wheels and the fixed position of the rotating shaft are the same, and the installation angle of the plurality of massage wheels relative to the rotating shaft is changed from a position close to the motor to a position far away from the motor in sequence, so that the plurality of massage wheels are installed in a wavy manner when viewed from one side of the rotating shaft.
Optionally, a bearing is installed between each eccentric frame and the rotating shaft, a waist-shaped hole penetrating through the eccentric frame in the thickness direction is formed in a position connected with the fixed shaft, and the eccentric frames flexibly rotate with the fixed shaft as an origin in the rotating process of the rotating shaft.
Optionally, the air bag has an air tap that extends through the air bag securing plate, the air tap being connected to an air source through an air tube. And a massage plate is arranged above each massage wheel, a mounting hole is formed by curling edges at one end of the massage plate and is sleeved on the fixed shaft, and the bottom surface of each massage plate is in contact with the corresponding massage wheel. The outer circumference of each massage wheel is provided with a massage ball, and the installation angle of the massage balls relative to the corresponding massage wheel is changed from the position close to the motor to the position far away from the motor in sequence, so that the massage balls are installed in a wavy manner when being observed from one side of the rotating shaft.
In order to solve the technical problem, the invention further provides a massage chair with the double eccentric link structure according to any item above.
In order to solve the technical problem, the invention further provides an application of the double eccentric link structure in a massage chair.
The technical scheme of the invention has the beneficial effects that:
the double-eccentric link structure of the massage chair provided by the invention massages the positions of limbs such as upper limbs, lower limbs and the like of a human body through the wavy eccentric massage wheel, the eccentric frame and the air bag arranged on the eccentric frame, the massage wheel sequentially and circularly patts the limb muscles from front to back to relieve fatigue and relax the muscles, the eccentric frame rotates in a reciprocating flexible manner and meanwhile is added with the air bag which is greatly expanded and elastic to circularly press the limb muscles, the massage wheel and the air bag structure work simultaneously, so that the massage experience that the hands of a person close to the real person pinch the limbs and rotate up and down in a reciprocating manner is realized, the comfort level of massage is obviously improved, and the muscle fatigue is further effectively relieved.
Meanwhile, the double-eccentric link structure is simultaneously suitable for massaging the positions of the upper limbs, the lower limbs, the waist, the shoulders and the like, the universality is high, different massage structures do not need to be manufactured aiming at each massage part, and the comfort level of the massage chair is effectively improved.
Drawings
FIG. 1 is a schematic structural diagram of a double eccentric link structure of a single-head motor according to an embodiment of the present invention;
fig. 2 is a schematic structural diagram of a double eccentric link structure of a single-head motor in the second embodiment of the present invention;
fig. 3 is a schematic structural diagram of a double eccentric link structure of a single-head motor in the third embodiment of the present invention;
FIG. 4 is a bottom view of a dual eccentric link configuration of a dual head motor in accordance with an embodiment of the present invention;
fig. 5 is a perspective view of a double eccentric link structure of a double-head motor according to an embodiment of the present invention.
In the drawings: the massage device comprises a single-head motor 1, a double-head motor 1', a speed reducer 2, a rotating shaft 3, a massage wheel 4, an eccentric frame 5, a fixed shaft 6, a waist-shaped hole 7, a bearing 8, a connecting rod 9, an airbag mounting plate 10, an airbag 11, an air nozzle 12, a wave plate 13, a massage ball 14 and a mounting frame 15.
The specific implementation mode is as follows:
the invention is further described with reference to the following drawings and specific examples, which are not intended to be limiting.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the present invention, unless otherwise expressly stated or limited, "above" or "below" a first feature means that the first and second features are in direct contact, or that the first and second features are not in direct contact but are in contact with each other via another feature therebetween. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly above and obliquely above the second feature, or simply meaning that the first feature is at a lesser level than the second feature.
Example one
Referring to fig. 1, a double eccentric link structure of an embodiment is shown, where the double eccentric link structure includes a motor 1, a speed reducer 2 connected to a shaft end of the motor 1, and a rotating shaft 3 connected to the speed reducer 2, the motor 1 drives the speed reducer 2 to operate and simultaneously drives the rotating shaft 3 to rotate, and the speed reducer 2 reduces a rotating speed of the motor 1 to a proper rotating speed of the rotating shaft 3. The speed reducer 2 includes a speed reduction housing (not shown), a plurality of driving gears (not shown) and driven gears (not shown) installed in the speed reduction housing, a primary gear (not shown) engaged with the driving gears is installed at an end of a motor shaft (not shown) of the motor 1, and any driven gear is fixed to the rotating shaft 3 (not shown). Since the structures and the installations of the reduction casing, the driving gear, the driven gear, the primary gear and the motor shaft are not within the protection scope of the present application and all belong to the prior art, they are not shown in fig. 1 to 3 and are not described in detail, but do not hinder the understanding of those skilled in the art. Note that, in other embodiments, the reduction gear 2 may have other reduction structures, for example, a reduction mechanism that transmits power transmitted through a crawler belt, and the like, and is not limited to the reduction gear having the gear structure in the present embodiment.
In this embodiment, the motor is a single-head motor or a double-head motor.
As shown in fig. 1, in this embodiment, when the motor is a single-head motor 1, a motor shaft of the single-head motor 1 is connected to a set of double eccentric link structures, and the double eccentric link structures of the single-head motor 1 are as described above and are not described again.
As shown in fig. 4 and 5, when the motor is a double-head motor 1 ', two end motor shafts of the double-head motor 1' are respectively connected with a set of double eccentric link structures, and the double eccentric link structures of the double-head motor are integrally installed in a mounting frame 15. The double eccentric link structure of the double-headed motor 1 ' is improved on the basis of the double eccentric link structure of the single-headed motor 1, namely, a pair of double eccentric link structures are symmetrically arranged at two sides of the double-headed motor 1 ', motor shafts at two ends of the double-headed motor 1 ' are respectively connected to the speed reducers 2 of the corresponding double eccentric link structures, and the rest structures are basically the same as the double eccentric link structure of the single-headed motor 1 and are not repeated. The double eccentric link structure of the double-headed motor 1' can achieve the same technical effects as the double eccentric link structure of the single-headed motor 1, and can be applied to massaging various parts of the human body such as lower limbs, the waist, shoulders, and the like. In the double-head motor double eccentric link structure shown in fig. 4 and 5, massage members of various structures can be used in place of the massage wheels 4 (including the massage wheels 4 themselves in the structure) to achieve various different massage feelings and effects (such as adding massage wheels, massage plates, etc. in the length direction of the rotating shaft 3).
A plurality of massage wheels 4 which are sequentially eccentrically fixed on the rotating shaft 3, wherein the plurality of massage wheels 4 are arranged in a wavy manner in the axial direction of the rotating shaft 3; when the massage device works, the massage wheels 4 arranged in a wavy manner can sequentially flap the human body from front to back, and the sequential beating from front to back has comfortable massage effect; of course, in other embodiments, the plurality of massage wheels 4 can be uniformly arranged on the rotating shaft 3, but the massage effect is much worse. The plurality of massage wheels 4 are fixed at the same position as the rotating shaft 3, and the installation angle of the plurality of massage wheels 4 relative to the rotating shaft 3 is changed from a position close to the motor 1 to a position far away from the motor 1 in sequence, so that the plurality of massage wheels 4 are installed in a wave shape when viewed from one side of the rotating shaft 3.
An eccentric frame 5 is eccentrically arranged on the rotating shaft 3 between every two massage wheels 4, an air bag mounting plate 10 is movably arranged between every two eccentric frames 5 through a link rod 9, and air bags 11 are respectively arranged on the left side and the right side of the air bag mounting plate 10 relative to the link rod 9; and a fixing shaft 6 penetrating the plurality of eccentric frames 5 and being spatially parallel to the rotation shaft 3. A bearing 8 is arranged between each eccentric frame 5 and the rotating shaft 3, a waist-shaped hole 7 penetrating through the thickness direction of the eccentric frame 5 is arranged at the position connected with the fixed shaft 6, and the eccentric frame 5 flexibly rotates by taking the fixed shaft 6 as the original point in the rotating process of the rotating shaft 3.
A connecting rod 9 which is rotatably arranged between the two eccentric frames 5 is additionally arranged, an air bag mounting plate 10 is directly arranged on the connecting rod 9, air bags 11 are respectively arranged on the front side and the rear side of the air bag mounting plate 10 relative to the connecting rod 9, the left side and the right side of the air bag mounting plate are respectively provided with the air bags 11, and air nozzles 12 are respectively connected with the two air bags 11 and are connected to an air source through air pipes.
Taking the massage arm as an example, during operation, the motor 1 drives the rotating shaft 3 to rotate, the wavy massage wheels 4 sequentially flap the arm from front to back, the eccentric frame 5 flexibly rotates by taking the fixed shaft 6 as an original point in the rotating process of the rotating shaft 3, the left and right air bags 11 are operated by an external air source, the front air bags 11 and the rear air bags 11 simultaneously inflate, and the front air bags 11 in the inflated state flexibly rotate along with the eccentric frame 5 and extrude the arm of the human body. It should be noted that, the rear airbag 11 may be configured to move, that is, when the rear airbag 11 inflates, the front airbag 11 moves downward due to the increase of the volume, and when the rear airbag 11 deflates, the front airbag 11 moves upward due to the decrease of the volume, so that, based on the movement of the eccentric frame 5, and in addition, the rear airbag moves up and down in the direction indicated by the arrow in fig. 1, the moving track of the whole airbag 11 is more variable, and the massage comfort is further increased. And the air bag 11 is flexibly rotated along with the eccentric frame 5 in an air blowing state and extrudes the arm part of the human body, when the soft air bag 11 extrudes the skin of the human body, the discomfort caused by hard body feeling or the larger body feeling difference caused by different thicknesses of limbs of a user when the skin is extruded by solid bodies can not be caused, but the soft and comfortable feeling can be realized, the compatibility of applicable people is higher, almost consistent body feeling can be obtained when most of body type people use the massage chair, and the comfort level of the massage chair and the applicable people are increased.
Example two
As shown in fig. 2, the basic structure of the massage chair of the present embodiment is the same as that of the first embodiment, except that a massage plate 13 is mounted above each massage wheel 4, one end of the massage plate 13 is curled to form a mounting hole (not shown) and is sleeved on the fixed shaft 6, and the bottom surface of each massage plate 13 is in contact with the corresponding massage wheel 4. When the inflatable massager works, the wavy massage wheels 4 sequentially drive the massage plates 13 to flap the human body from front to back, the eccentric frame 5 flexibly rotates by taking the fixed shaft 6 as an original point in the rotating process of the rotating shaft 3, and the air bag 11 flexibly rotates along with the eccentric frame 5 in an inflating state and extrudes the human body.
EXAMPLE III
As shown in fig. 3, the basic structure of the massage chair in this embodiment is the same as that in the first embodiment, the only difference is that a massage ball 14 is mounted at the outer circumference of each massage wheel 4, and the mounting angles of the plurality of massage balls 14 with respect to the corresponding massage wheels 4 are sequentially changed from a position close to the motor 1 to a position far from the motor 1, so that the plurality of massage balls 14 are mounted in a wavy shape as viewed from the side of the rotating shaft 3. When the massage device works, the massage wheels 4 arranged in a wavy manner sequentially drive the massage balls 14 to sequentially flap the human body from front to back, the eccentric frame 5 flexibly rotates by taking the fixed shaft 6 as an original point in the rotating process of the rotating shaft 3, and the air bag 11 flexibly rotates along with the eccentric frame 5 in an air blowing state and extrudes the human body.
The double eccentric link structures of the first to third embodiments can be applied to massage chairs.
The double eccentric link rod structures in the first to third embodiments can be applied to the upper limbs, the lower limbs or other massage parts in the massage chair, that is, the double eccentric link rod structure of the embodiment can be commonly used in various massage positions of the upper limb massage part, the lower limb massage part, the waist massage part, the shoulder massage part and the like of the massage chair, and can be commonly used only by changing the reserved space among the massage wheel 4, the eccentric frame 5 and the air bag 11 to a certain extent; when the massage device is applied to upper limb massage, the reserved space can be made as small as possible; when the massage device is used for massaging lower limbs, the reserved space can be larger than that of the massage device for massaging upper limbs; when the massage chair is applied to the shoulder or the waist, the reserved space can be further expanded until the massage chair can massage the shoulder or the waist.
It should be noted that the double eccentric link structure in the first to third embodiments is explained by taking the massage of the upper limbs as an example, but does not hinder the massage effectiveness of the structure at other positions.
In conclusion, the double-eccentric link structure of the massage chair provided by the invention massages upper limbs and lower limbs of a human body through the wavy eccentric massage wheel, the eccentric frame and the air bag arranged on the eccentric frame, the massage wheel sequentially and circularly beats lower muscles of the upper limbs from front to back to relieve fatigue and relax the muscles, the eccentric frame rotates in a reciprocating and flexible manner and is added with the air bag which is greatly expanded and elastic to circularly press upper muscles of the upper limbs, the massage wheel and the air bag structure work simultaneously, the massage experience that the upper limbs are pinched by hands close to a real person and the upper limbs are rotated in a reciprocating manner is realized, the massage comfort level is obviously improved, and the muscle fatigue is further effectively relieved. Meanwhile, the double-eccentric link structure is simultaneously suitable for massaging the positions of the upper limbs, the lower limbs, the waist, the shoulders and the like, the universality is high, different massage structures do not need to be manufactured aiming at each massage part, and the comfort level of the massage chair is effectively improved.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
While the invention has been described with reference to a preferred embodiment, it will be understood by those skilled in the art that various changes in form and detail may be made therein without departing from the spirit and scope of the invention.
Claims (10)
1. A double eccentric link structure, comprising:
a motor;
the speed reducing part is connected with the shaft end of the motor;
the rotating shaft is connected with the speed reducer;
the massage wheels are sequentially eccentrically fixed on the rotating shaft and are arranged in a wavy manner in the axial direction of the rotating shaft;
an eccentric frame is eccentrically arranged on the rotating shaft between every two massage wheels, an air bag mounting plate is movably arranged between every two eccentric frames through a link rod, and air bags are respectively arranged on the front side and the rear side of the air bag mounting plate relative to the link rod;
and the fixed shaft penetrates through the eccentric frames and is parallel to the rotating shaft space.
2. The double eccentric link structure of claim 1, wherein the motor is a single-head motor or a double-head motor.
3. The double eccentric link structure of claim 2, wherein the motor is a single-head motor, and a motor shaft of the single-head motor is connected to a set of the double eccentric link structure.
4. The double eccentric link structure of claim 2, wherein the motor is a double-headed motor, and motor shafts at two ends of the double-headed motor are respectively connected with a set of the double eccentric link structure.
5. The double eccentric link structure of claim 1, wherein the speed reduction part is a speed reducer, the speed reducer includes a speed reduction housing, a plurality of driving gears and driven gears installed in the speed reduction housing, a primary gear engaged with the driving gears is installed at an end of a motor shaft of the motor, and any of the driven gears is fixed to the rotation shaft.
6. The double eccentric link structure as set forth in claim 1, wherein a plurality of said massage wheels are fixed to the same position as the rotary shaft, and an installation angle of the plurality of said massage wheels with respect to the rotary shaft is sequentially changed from a position close to the motor to a position far from the motor to form a wave-like installation of the plurality of said massage wheels as viewed from a side of the rotary shaft.
7. The structure of double eccentric link rods as claimed in claim 1, wherein a bearing is installed between each eccentric frame and the rotating shaft, a waist-shaped hole penetrating through the eccentric frame in the thickness direction is formed at a position connected with the fixed shaft, and the eccentric frame flexibly rotates with the fixed shaft as an origin in the rotation process of the rotating shaft.
8. The double eccentric link structure of claim 1, wherein each air bag has an air tap that extends through the air bag securing plate, the air tap being connected to an air supply via an air tube;
a massage plate is arranged above each massage wheel, one end of each massage plate is curled to form a mounting hole and is sleeved on the fixed shaft, and the bottom surface of each massage plate is in contact with the corresponding massage wheel;
the outer circumference of each massage wheel is provided with a massage ball, and the installation angle of the massage balls relative to the corresponding massage wheel is changed from the position close to the motor to the position far away from the motor in sequence, so that the massage balls are installed in a wavy manner when being observed from one side of the rotating shaft.
9. A massage chair having the double eccentric link structure according to any one of claims 1 to 8.
10. Use of a double eccentric link structure according to any of claims 1-8 in a massage chair.
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| CN201911198957.0A CN110772408A (en) | 2019-11-27 | 2019-11-27 | Double-eccentric link rod structure and application thereof in massage chair |
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| CN201911198957.0A CN110772408A (en) | 2019-11-27 | 2019-11-27 | Double-eccentric link rod structure and application thereof in massage chair |
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| CN110772408A true CN110772408A (en) | 2020-02-11 |
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| CN201911198957.0A Pending CN110772408A (en) | 2019-11-27 | 2019-11-27 | Double-eccentric link rod structure and application thereof in massage chair |
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| CN112603748A (en) * | 2020-12-18 | 2021-04-06 | 艾的平方健康科技（上海）有限公司 | Foot mirror image massage structure and massage chair thereof |
| CN112603746A (en) * | 2020-12-18 | 2021-04-06 | 艾的平方健康科技（上海）有限公司 | Single-motor comprehensive massage structure for crus and feet and massage chair thereof |
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Application publication date: 20200211 |