CN110934729B - Novel rocker mechanism of muscle massage gun - Google Patents
Novel rocker mechanism of muscle massage gun Download PDFInfo
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- CN110934729B CN110934729B CN201911241258.XA CN201911241258A CN110934729B CN 110934729 B CN110934729 B CN 110934729B CN 201911241258 A CN201911241258 A CN 201911241258A CN 110934729 B CN110934729 B CN 110934729B
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- rocker
- hammer head
- head assembly
- bearing
- connecting rod
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- 210000003205 muscle Anatomy 0.000 title claims abstract description 31
- 230000005540 biological transmission Effects 0.000 claims abstract description 21
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 238000005096 rolling process Methods 0.000 claims description 2
- 230000009347 mechanical transmission Effects 0.000 claims 1
- 230000009286 beneficial effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 208000000112 Myalgia Diseases 0.000 description 3
- 208000015001 muscle soreness Diseases 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 125000006850 spacer group Chemical group 0.000 description 2
- 206010049565 Muscle fatigue Diseases 0.000 description 1
- 230000017531 blood circulation Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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
- 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
- A61H2201/00—Characteristics of apparatus not provided for in the preceding codes
- A61H2201/14—Special force transmission means, i.e. between the driving means and the interface with the user
-
- 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
- A61H2201/14—Special force transmission means, i.e. between the driving means and the interface with the user
- A61H2201/1436—Special crank assembly
Landscapes
- 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)
- Percussion Or Vibration Massage (AREA)
Abstract
The invention discloses a novel rocker mechanism of a muscle massage gun, which comprises: the driving device, install on the output shaft of driving device front end and be used for converting rotary motion into rectilinear reciprocating motion's rocker bearing and at least one connect on the rocker bearing rocking arm and do rectilinear reciprocating motion's hammer head subassembly along with the rocker bearing, the rocker bearing be provided with symmetrical first rocking arm and second rocking arm, the hammer head subassembly connect on first rocking arm and/or the second rocking arm. According to the invention, the rocker bearing is arranged at the output end of the driving device and used as a transmission part, so that the rotary motion output by the driving device is converted into linear reciprocating motion, and the hammer head assembly is driven to move back and forth through the first connecting rod, so that hammering massage on muscles is realized, a gear mechanism is omitted, and transmission noise is low; meanwhile, the driving device and the hammer head assembly are arranged in a manner of overlapping the central line, so that the traditional protruding part at the upper end of the machine shell is omitted, and the machine shell is more concise and attractive.
Description
Technical field:
The invention relates to the technical field of muscle massage guns, in particular to a novel rocker mechanism of a muscle massage gun.
The background technology is as follows:
Along with the popularization of sports fitness, more and more people recognize the importance of sports fitness and start to take a sports exercise, in order to increase the core strength of the body and promote physical quality in the process of sports exercise, a certain amount of strength exercises or high-strength exercises are usually required, after the body is subjected to exercise, the condition of muscle soreness often occurs, and the simplest and effective method for eliminating the muscle soreness is to relax and massage the muscle, so that the muscle soreness and fatigue can be eliminated, the blood flow can be improved, and the physical condition can be improved.
The muscle massage gun is a device for massaging muscles, and the existing muscle massage gun is not compact in structure, large in size, attractive in appearance, unstable in transmission, poor in dynamic balance, noisy and capable of affecting the experience effect of users.
In view of this, the present inventors have proposed the following means.
The invention comprises the following steps:
the invention aims to overcome the defects of the prior art and provides a novel rocker mechanism of a muscle massage gun.
In order to solve the technical problems, the invention adopts the following technical scheme: this novel rocker mechanism of muscle massage rifle includes: the driving device, install on the output shaft of driving device front end and be used for converting rotary motion into rectilinear reciprocating motion's rocker bearing and at least one connect on the rocker bearing rocking arm and do rectilinear reciprocating motion's hammer head subassembly along with the rocker bearing, the rocker bearing be provided with symmetrical first rocking arm and second rocking arm, the hammer head subassembly connect on first rocking arm and/or the second rocking arm.
In the above technical scheme, a first connecting rod is arranged between the first rocker arm and the hammer head assembly, and two ends of the first connecting rod are respectively connected with the first rocker arm and the hammer head assembly in a rotating way; the side of the rocker bearing is provided with a limit groove, and the second rocker arm passes through the limit groove.
In the above technical solution, the hammer head assembly is provided with a first hammer head assembly and a second hammer head assembly in parallel, two ends of the first connecting rod are respectively connected with the first rocker arm and the first hammer head assembly in a rotating way, a second connecting rod is arranged between the second hammer head assembly and the second rocker arm, and two ends of the second connecting rod are respectively connected with the second rocker arm and the second hammer head assembly in a rotating way; the first hammer head assembly and the second hammer head assembly alternately do linear reciprocating motion along with the first rocker arm and the second rocker arm respectively.
In the above technical scheme, a first rotating connection mechanism is arranged between the first connecting rod and the first rocker arm, the first rotating connection mechanism comprises a connector sleeved on the first rocker arm, a first bearing and a second bearing sleeved on two ends of the connector, and a first snap spring retainer ring and a second snap spring retainer ring which are arranged on two ends of the connector and are respectively used for fixing the first bearing and the second bearing, and one end of the first connecting rod is formed with a first shaft sleeve part and a second shaft sleeve part which are respectively arranged on the first bearing and the second bearing; and a second rotating connection mechanism is arranged between the second connecting rod and the second rocker arm, and the second rotating connection mechanism has the same structure as the first rotating connection mechanism.
In the above technical solution, a T-shaped crank assembly is disposed between the first connecting rod and the rocker arm bearing, the T-shaped crank assembly includes a T-shaped crank hinged to one end of the first connecting rod, a third connecting rod with two ends respectively hinged to the first rocker arm and the T-shaped crank, a fourth connecting rod with two ends respectively hinged to the second rocker arm and the T-shaped crank, and a support column fixed on the casing and hinged to the T-shaped crank, the T-shaped crank is provided with a first hinge portion, a second hinge portion, a third hinge portion and a fourth hinge portion, wherein the first connecting rod is hinged to the first hinge portion, the third connecting rod is hinged to the second hinge portion, the fourth connecting rod is hinged to the third hinge portion, and the fourth hinge portion is hinged to the support column; a third rotary connecting mechanism is arranged between the third connecting rod and the first rocker arm, and a fourth rotary connecting mechanism is arranged between the fourth connecting rod and the second rocker arm.
In the above technical scheme, the rear part of the hammer head assembly is formed with a connecting rod part which is inclined to one side and is connected with the rocker bearing, the rear end of the connecting rod part is rotationally connected with the rocker bearing through a third pin shaft, and the first rocker arm and the second rocker arm penetrate through the third pin shaft.
Furthermore, in the above technical scheme, the device further comprises a casing, a battery installed in the casing and used for providing power for the driving device, a first opening arranged at the front end of the upper part of the casing and used for allowing the hammer head assembly to pass through, and a piston sleeve arranged in the first opening, wherein the hammer head assembly is installed in the piston sleeve, the driving device is installed at the rear end of the upper part of the casing, and the battery is installed in the handle part of the lower part of the casing.
Furthermore, in the above technical scheme, the output shaft at the front end of the driving device is provided with a transmission shaft, the rocker bearing is mounted on the transmission shaft, a U-shaped box is sleeved on the transmission shaft, the front end of the U-shaped box is mounted on the transmission shaft through a third bearing, the rear end of the U-shaped box is fixed with the driving device, the lower end of the U-shaped box is fixed with the casing, and the limiting groove is formed in the side surface of the U-shaped box.
Furthermore, in the above technical scheme, the hammer head assembly comprises a piston which is installed in the piston sleeve and hinged with the first connecting rod, and a hammer head which is installed at the front end of the piston, and a fifth rotary connecting mechanism is arranged between the first connecting rod and the piston.
Furthermore, in the above technical scheme, the rear end of the piston is formed with a U-shaped groove, the other end of the first connecting rod is formed with a third shaft sleeve portion inserted into the U-shaped groove, and the fifth rotating and connecting mechanism comprises a first pin shaft penetrating through the U-shaped groove and the third shaft sleeve portion, a fourth bearing arranged between the third shaft sleeve portion and the first pin shaft, and a third snap spring retainer ring and a fourth snap spring retainer ring arranged at two ends of the first pin shaft and used for fixing the first pin shaft.
By adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:
1. According to the invention, the rocker bearing is arranged at the output end of the driving device and used as a transmission part, the rotary motion output by the driving device is converted into the reciprocating swing of the first rocker arm, and the first connecting rod drives the hammer head assembly to do linear reciprocating motion back and forth, so that hammering massage on muscles is realized, and a gear transmission structure is not needed, so that the transmission noise is low.
2. In the invention, the driving device and the hammer head assembly are arranged in a manner of overlapping central lines, but not vertically arranged, so that the traditional bulge at the upper end of the machine shell is omitted, and the machine shell is more concise and beautiful; and the swing plane of the rocker bearing is perpendicular to the axis of the handle part of the shell, so that the battery has more installation space in the vertical direction, the handle part can be shorter, and the whole structure is more compact.
3. The first hammer head assembly and the second hammer head assembly are symmetrically arranged in parallel, the first hammer head assembly and the second hammer head assembly are respectively connected with the first rocker arm and the second rocker arm of the rocker bearing through the first connecting rod and the second connecting rod, and the first hammer head assembly and the second hammer head assembly are driven to do alternate reciprocating linear motion through the rocker bearing through the driving device, so that two parts of muscles are simultaneously massaged, and the massage frequency is increased; and the whole motion mechanism is designed symmetrically, so that the dynamic balance is good, the rocker bearing is more stable in the working process, and the vibration and noise are smaller.
4. According to the invention, the T-shaped crank assembly is added between the first connecting rod and the rocker bearing, and the T-shaped crank assembly can double the massage frequency of the hammer head assembly on muscles, so that the massage efficiency is improved.
5. The first hammer head assembly and the second hammer head assembly are symmetrically arranged in parallel, the first hammer head assembly and the second hammer head assembly are respectively connected with the first rocker arm and the second rocker arm of the rocker bearing through the inclined connecting rod parts, and the first hammer head assembly and the second hammer head assembly are driven to do alternate reciprocating linear motion through the rocker bearing by the driving device, so that two parts of muscles are massaged simultaneously, and the massage frequency is increased; and the whole motion mechanism is designed symmetrically, so that the dynamic balance is good, the rocker bearing is more stable in the working process, and vibration and noise are smaller.
Description of the drawings:
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a schematic view of a first embodiment of the present invention;
FIG. 3 is a cross-sectional view of a first embodiment of the invention;
FIG. 4 is an exploded view of a first embodiment of the present invention;
FIG. 5 is an exploded view of a fifth rotary joint mechanism according to the present invention;
FIG. 6 is an exploded view of the first rotary connection of the present invention;
FIG. 7 is a perspective view of a rocker bearing of the present invention;
FIG. 8 is a perspective view of a first link of the present invention;
FIG. 9 is a schematic diagram of a second embodiment of the present invention;
FIG. 10 is a cross-sectional view of a second embodiment of the present invention;
FIG. 11 is an exploded view of a second embodiment of the present invention;
FIG. 12 is a schematic view of a third embodiment of the present invention;
FIG. 13 is a cross-sectional view of a third embodiment of the invention;
FIG. 14 is a cross-sectional view of section B-B of FIG. 13;
FIG. 15 is an exploded view of a third embodiment of the present invention;
FIG. 16 is an exploded view of the rocker bearing of the present invention;
FIG. 17 is an exploded view of a sixth rotary joint mechanism according to the present invention;
Fig. 18 is a schematic structural view of a fourth embodiment of the present invention;
Fig. 19 is a cross-sectional view of a fourth embodiment of the present invention.
Reference numerals illustrate:
11 housing 12 battery 13 first opening
14 Piston sleeve 2 driving device 21 output shaft
3 Inner race of screw thread 31 of rocker bearing 30
311 Rollaway nest 32 outer ring 321 first rocker arm
322 Second rocker arm 33 ball 34 support frame
4 Hammer head Assembly 41 first hammer head Assembly 42 second hammer head Assembly
43 Piston 431U-shaped groove 44 hammer
45 Connecting rod portion 451 third pin 51 first connecting rod
511 First sleeve portion 512 second sleeve portion 513 third sleeve portion
52 Second connecting rod 6U-shaped box 61 limit groove
62 Third bearing 71 first rotary connecting mechanism 711 connector
712 First bearing 713 second bearing 714 first snap spring retainer ring
715 Second snap spring retainer 716 and nut 717 first C-shaped snap spring
718 Second C-shaped clamp spring 72 second rotary connecting mechanism 73 third rotary connecting mechanism
74 Fourth rotational connection 75 and fifth rotational connection 751 first pin
752 Fourth bearing 753 third snap spring retainer 754 fourth snap spring retainer
755 First washer 756 second washer 76 sixth rotational coupling mechanism
761 Second pin 762 fifth bearing 763 fifth snap spring retainer ring
764 Sixth snap spring retainer 765 third gasket 766 fourth gasket
77 Seventh rotational connecting mechanism 78 eighth rotational connecting mechanism 79 ninth rotational connecting mechanism
8T-crank Assembly 81T-crank 811 first hinge
812 Second hinge 813 third hinge 814 fourth hinge
82 Third connecting rod 821 third bushing portion 822 fourth bushing portion
823 Fifth boss 824, sixth boss 83 fourth link
85 Support column 851 base 852 convex column
853 Sixth bearing 854 seventh snap spring retainer 9 transmission shaft
The specific embodiment is as follows:
The invention will be further described with reference to specific examples and figures.
Referring to fig. 1 to 19, a novel rocker mechanism of a muscle massage gun comprises: the driving device 2, a rocker bearing 3 which is arranged on an output shaft 21 at the front end of the driving device 2 and is used for converting rotary motion into linear reciprocating motion, and at least one hammer head assembly 4 which is connected to the rocker arm of the rocker bearing 3 and moves linearly and reciprocally along with the rocker bearing 3, wherein the rocker bearing 3 is provided with a first rocker arm 321 and a second rocker arm 322 which are symmetrical, and the hammer head assembly 4 is connected to the first rocker arm 321 and/or the second rocker arm 322. The rocker bearing 3 comprises an inner ring 31 sleeved on the output shaft 21, an outer ring 32 mounted on the inner ring 31, balls 33 arranged between the inner ring 31 and the outer ring 32, and a supporting frame 34 arranged between the inner ring 31 and the outer ring 32 and used for fixing the balls 33, the first rocker 321 and the second rocker 322 are formed on the outer ring 32, and the inner ring 31 is provided with an elliptic roller path 311 used for rolling the balls 33. The rocker bearing 3 is arranged at the output end of the driving device 2 to serve as a transmission part, so that the rotary motion output by the driving device 2 is converted into reciprocating swing of the first rocker 321 and the second rocker 322, and the hammer head assembly 4 is driven to reciprocate back and forth through the first connecting rod 51, so that hammering massage on muscles is realized, and the structure is simple and compact, and no transmission noise exists.
Also comprises a housing 11, a battery 12 installed in the housing 11 for supplying power to the driving device 2, a first opening 13 provided at the front end of the upper portion of the housing 11 for the hammer head assembly 4 to pass through, and a piston sleeve 14 provided in the first opening 13, the hammer head assembly 4 is installed in the piston sleeve 14, the driving device 2 is installed at the rear end of the upper part of the housing 11, and the battery 12 is installed in the handle part of the lower part of the housing 11. The shell 11 is T-shaped.
The driving device is characterized in that a transmission shaft 9 is arranged on an output shaft 21 at the front end of the driving device 2, the rocker bearing 3 is arranged on the transmission shaft 9, a U-shaped box body 6 is sleeved on the transmission shaft 9, the front end of the U-shaped box body 6 is arranged on the transmission shaft 9 through a third bearing 62, the rear end of the U-shaped box body 6 is fixed with the driving device 2, the lower end of the U-shaped box body 6 is fixed with the shell 11, and a limiting groove 61 is formed in the side surface of the U-shaped box body 6. The driving device 2 is a motor.
The hammer head assembly 4 comprises a piston 43 arranged in the piston sleeve 14 and hinged with the first connecting rod 51, and a hammer head 44 arranged at the front end of the piston 43, and a fifth rotary connecting mechanism 75 is arranged between the first connecting rod 51 and the piston 43.
The rear end of the piston 43 is formed with a U-shaped groove 431, the other end of the first connecting rod 51 is formed with a third shaft sleeve portion 513 inserted into the U-shaped groove 431, and the fifth rotary connecting mechanism 75 includes a first pin 751 penetrating through the U-shaped groove 431 and the third shaft sleeve portion 513, a fourth bearing 752 disposed between the third shaft sleeve portion 513 and the first pin 751, and a third snap ring retainer 753 and a fourth snap ring retainer 754 disposed at two ends of the first pin 751 and used for fixing the first pin 751. A first gasket 755 is disposed between the third clamping spring retainer 753 and the upper end surface of the U-shaped groove 431, and a second gasket 756 is disposed between the fourth clamping spring retainer 754 and the lower end surface of the U-shaped groove 431.
Fig. 2 to 6 show a first embodiment of the present invention, in which: a first connecting rod 51 is arranged between the first rocker 321 and the hammer head assembly 4, and two ends of the first connecting rod 51 are respectively and rotatably connected with the first rocker 321 and the hammer head assembly 4; a limiting groove 61 is arranged beside the rocker bearing 3, and the second rocker arm 322 passes through the limiting groove 61. The end of the first rocker arm 321 is provided with a thread 30.
The first connecting rod 51 and the first rocker arm 321 are provided with a first rotating connecting mechanism 71, the first rotating connecting mechanism 71 comprises a connector 711 sleeved on the first rocker arm 321, a first bearing 712 and a second bearing 713 sleeved on two ends of the connector 711, and a first snap spring retainer 714 and a second snap spring retainer 715 mounted on two ends of the connector 711 and used for fixing the first bearing 712 and the second bearing 713 respectively, one end of the first connecting rod 51 is provided with a first shaft sleeve part 511 and a second shaft sleeve part 512 mounted on the first bearing 712 and the second bearing 712 respectively, the first bearing 712 and the second bearing 713 are fixed on the first shaft sleeve part 511 and the second shaft sleeve part 512 respectively by a first C-shaped clamp spring 717 and a second C-shaped clamp spring 718, and the connector 711 is fixed on the first rocker arm 321 by a nut 716.
In the first working embodiment, the driving device 2 drives the inner ring 31 of the rocker bearing 3 to rotate through the driving shaft 9, and the limiting groove 61 limits the outer ring 32 of the rocker bearing 3 to rotate, so that when the inner ring 31 rotates, the outer ring 32 swings back and forth along the limiting groove 61, and next, the hammer head assembly 4 is driven to reciprocate back and forth in the piston sleeve 14 through the first connecting rod 51 by the first rotating connection mechanism 71 of the first rocker arm 321 of the rocker bearing 3, thereby realizing the massage of the hammer head assembly 4 on muscles.
After the technical scheme is adopted, compared with the prior art, the first embodiment has the following beneficial effects: in the first embodiment, the driving device 2 and the hammer head assembly 4 are arranged in a manner of overlapping central lines, so that the traditional protruding part at the upper end of the casing 11 is omitted, and the casing 11 is concise and beautiful; and the swing plane of the rocker bearing 3 is perpendicular to the axis of the handle part of the shell 11, so that the battery 12 has more installation space in the vertical direction, the handle part is shorter, and the whole structure is more compact.
Fig. 7 to 9 show a second embodiment of the present invention, in which: the hammer head assembly 4 is provided with a first hammer head assembly 41 and a second hammer head assembly 42 in parallel, two ends of the first connecting rod 51 are respectively connected with the first rocker arm 321 and the first hammer head assembly 41 in a rotating way, a second connecting rod 52 is arranged between the second hammer head assembly 42 and the second rocker arm 322, and two ends of the second connecting rod 52 are respectively connected with the second rocker arm 322 and the second hammer head assembly 42 in a rotating way; the first ram assembly 41 and the second ram assembly 42 alternately reciprocate linearly with the first swing arm 321 and the second swing arm 322, respectively. The ends of the first rocker arm 321 and the second rocker arm 322 are provided with threads 30.
A first rotating connection mechanism 71 is disposed between the first connecting rod 51 and the first rocker arm 321, the first rotating connection mechanism 71 includes a connector 711 sleeved on the first rocker arm 321, a first bearing 712 and a second bearing 713 sleeved on two ends of the connector 711, and a first snap spring retainer ring 714 and a second snap spring retainer ring 715 mounted on two ends of the connector 711 and used for fixing the first bearing 712 and the second bearing 713, respectively, one end of the first connecting rod 51 is formed with a first shaft sleeve portion 511 and a second shaft sleeve portion 512 mounted on the first bearing 712 and the second bearing 712, respectively; a second rotary connection mechanism 72 is disposed between the second link 52 and the second rocker arm 322, and the second rotary connection mechanism 72 has the same structure as the first rotary connection mechanism 71. The first and second rotational linkages 71 and 72 are secured to the first and second swing arms 321 and 322, respectively, by nuts 716.
The first connecting rod 51 is connected with the first hammer head assembly 41 through a fifth rotating connecting mechanism 75, a ninth rotating connecting mechanism 79 is arranged between the second connecting rod 52 and the second hammer head assembly 41, and the ninth rotating connecting mechanism 79 has the same structure as the fifth rotating connecting mechanism 75.
The rear end of the piston 43 is formed with a U-shaped groove 431, the other end of the first connecting rod 51 is formed with a third shaft sleeve portion 513 inserted into the U-shaped groove 431, and the fifth rotary connecting mechanism 75 includes a first pin 751 penetrating through the U-shaped groove 431 and the third shaft sleeve portion 513, a fourth bearing 752 disposed between the third shaft sleeve portion 513 and the first pin 751, and a third snap ring retainer 753 and a fourth snap ring retainer 754 disposed at two ends of the first pin 751 and used for fixing the first pin 751. A first gasket 755 is disposed between the third clamping spring retainer 753 and the upper end surface of the U-shaped groove 431, and a second gasket 756 is disposed between the fourth clamping spring retainer 754 and the lower end surface of the U-shaped groove 431.
In the second embodiment, the driving device 2 drives the inner ring 31 of the rocker bearing 3 to rotate through the driving shaft 9, and the limiting groove 61 limits the outer ring 32 of the rocker bearing 3 to rotate, so that when the inner ring 31 rotates, the outer ring 32 swings back and forth along the limiting groove 61, and next, the first rotating connecting mechanism 71 passing through the first rocker arm 321 of the rocker bearing 3 drives the first hammer head assembly 41 to reciprocate back and forth in the piston sleeve 14 through the first connecting rod 51, and meanwhile, the second rotating connecting mechanism 72 passing through the second rocker arm 322 of the rocker bearing 3 drives the second hammer head assembly 42 to reciprocate back and forth in the piston sleeve 14 through the second connecting rod 52, so that the first hammer head assembly 41 and the second hammer head assembly 42 alternately massage muscles.
After the technical scheme is adopted, the second embodiment has the following beneficial effects on the basis of the first embodiment: in the second embodiment, the first hammer head assembly 41 and the second hammer head assembly 42 which are symmetrically arranged in parallel are adopted, the first hammer head assembly 41 and the second hammer head assembly 42 are respectively connected with the first rocker 321 and the second rocker 322 of the rocker bearing 3 through the first connecting rod 51 and the second connecting rod 52, and the driving device 2 drives the first hammer head assembly 41 and the second hammer head assembly 42 to alternately and reciprocally swing through the rocker bearing 3, so that two parts of muscles are simultaneously massaged, and the massage frequency is increased; and the first rocker arm 321 and the second rocker arm 322 of the rocker bearing 3 are respectively connected to the first hammer head assembly 41 and the second hammer head assembly 42, so that the whole motion mechanism is designed symmetrically, the dynamic balance is good, and the vibration and the noise are smaller.
Fig. 10 to 13 show a third embodiment of the present invention, in which: a T-shaped crank assembly 8 is disposed between the first link 51 and the rocker bearing 3, the T-shaped crank assembly 8 includes a T-shaped crank 81 hinged to one end of the first link 51, a third link 82 with two ends respectively hinged to the first rocker 321 and the T-shaped crank 81, a fourth link 83 with two ends respectively hinged to the second rocker 322 and the T-shaped crank 81, and a support column 85 fixed to the casing 11 and hinged to the T-shaped crank 81, the T-shaped crank 81 is provided with a first hinge 811, a second hinge 812, a third hinge 813 and a fourth hinge 814, wherein the first link 51 is hinged to the first hinge 811, the third link 82 is hinged to the second hinge 812, the fourth link 83 is hinged to the third hinge 813, and the fourth hinge 814 is hinged to the support column 85; the support column 85 comprises a base 851 fixed on the housing 11 and a boss 852 formed at the upper end of the base 851, the fourth hinge part 814 is sleeved on the boss 852, sixth bearings 853 are arranged on the boss 852 and the fourth hinge part 814, and the sixth bearings 853 are fixed on the boss 852 through seventh snap springs and check rings 854. The T-shaped crank 81 is T-shaped.
A sixth rotational connection mechanism 76 is disposed between the first link 51 and the first hinge portion 811, and the sixth rotational connection mechanism 76 includes a second pin shaft 761 penetrating the first hinge portion 811 and the first shaft sleeve portion 511 and the second shaft sleeve portion 512 of the first link 51, a fifth bearing 762 disposed between the first hinge portion 811 and the second pin shaft 761, a fifth snap spring retainer ring 763 and a sixth snap spring retainer ring 764 disposed at both ends of the second pin shaft 761 and used for fixing the second pin shaft 761, a third spacer 765 disposed between the fifth snap spring retainer ring 763 and the upper end surface of the first shaft sleeve portion 511, and a fourth spacer 766 disposed between the sixth snap spring retainer ring 764 and the lower end surface of the second shaft sleeve portion 512; a seventh rotation connection mechanism 77 is disposed between the third link 82 and the second hinge 812, and the seventh rotation connection mechanism 77 has the same structure as the sixth rotation connection mechanism 76; an eighth rotational connection 78 is provided between the fourth link 83 and the third hinge 813, and the eighth rotational connection 78 has the same structure as the sixth rotational connection 76.
A third rotary connecting mechanism 73 is arranged between the third connecting rod 82 and the first rocker arm 321, and a fourth rotary connecting mechanism 74 is arranged between the fourth connecting rod 83 and the second rocker arm 322. The ends of the first rocker arm 321 and the second rocker arm 322 are provided with threads 30. The third rotary connecting mechanism 73 is the same as the first rotary connecting mechanism 71 in the second embodiment, and the fourth rotary connecting mechanism 74 is the same as the second rotary connecting mechanism 72 in the second embodiment. The third and fourth rotational linkages 73 and 74 are secured to the first and second swing arms 321 and 322, respectively, by nuts 716.
One end of the third connecting rod 82 is provided with a third shaft sleeve part 821 and a fourth shaft sleeve part 822 which are arranged in a U shape, the third shaft sleeve part 821 and the fourth shaft sleeve part 822 are connected with the first rocker arm 321 through the third rotation connecting mechanism 73, the other end of the third connecting rod 82 is also provided with a fifth shaft sleeve part 823 and a sixth shaft sleeve part 824 which are arranged in a U shape, and the fifth shaft sleeve part 823 and the sixth shaft sleeve part 824 are connected with the second hinging part 812 of the T-shaped crank 81 through the seventh rotation connecting mechanism 77; the fourth link 83 has the same structure as the third link 82, and one end of the fourth link 83 is connected to the second swing arm 322 through the fourth rotational connection mechanism 74, and the other end of the fourth link 83 is connected to the third hinge portion 813 of the T-shaped crank 81 through the eighth rotational connection mechanism 78. The fourth rotary connecting mechanism 74 is identical in structure to the third rotary connecting mechanism 73. The eighth rotary connecting mechanism 78 is identical in structure to the seventh rotary connecting mechanism 77.
In the third embodiment, when the driving device 2 drives the inner ring 31 of the rocker bearing 3 to rotate through the driving shaft 9, the limiting groove 61 limits the outer ring 32 of the rocker bearing 3 to rotate, so that when the inner ring 31 rotates, the outer ring 32 swings back and forth along the limiting groove 61, and next, the first rocker 321 of the rocker bearing 3 drives the T-shaped crank 81 to rotate around the supporting seat 85 through the third connecting rod 82 through the third rotating connecting mechanism 73, then the T-shaped crank 81 drives the hammer head assembly 4 to reciprocate back and forth in the piston sleeve 14 through the first connecting rod 51, meanwhile, the fourth rotating connecting mechanism 74 through the second rocker 322 of the rocker bearing 3 drives the T-shaped crank 81 to rotate around the supporting seat 85 through the fourth connecting rod 83, and then the T-shaped crank 81 drives the hammer head assembly 4 to reciprocate back and forth in the piston sleeve 14 through the first connecting rod 51, so that the T-shaped crank 81 drives the hammer head assembly 4 to move in two cycles in one rotation cycle of the rocker bearing 3 in the piston sleeve 14, and the frequency of the hammer head assembly 4 is doubled.
After the technical scheme is adopted, the third embodiment has the following beneficial effects on the basis of the first embodiment: in the third embodiment, a T-shaped crank assembly 8 is added between the first connecting rod 51 and the rocker bearing 3, and the frequency of massaging the muscle by the hammer head assembly 4 can be doubled through the T-shaped crank assembly 8, so that the massaging efficiency is improved.
Fig. 17 to 19 show a fourth embodiment of the present invention, in which: the rear part of the hammer head assembly 4 is formed with a connecting rod part 45 which is inclined to one side and is connected with the rocker bearing 3, the rear end of the connecting rod part 45 is rotatably connected with the rocker bearing 3 through a third pin 451, and the first rocker 321 and the second rocker 322 penetrate through the third pin 451. The hammer head assembly 4 is provided with a first hammer head assembly 41 and a second hammer head assembly 42 in parallel.
In the fourth working procedure of this embodiment, the driving device 2 drives the inner ring 31 of the rocker bearing 3 via the driving shaft 9 to rotate, and because the first hammer head assembly 41 and the second hammer head assembly 42 limit the rotation of the outer ring 32 of the rocker bearing 3 together, when the inner ring 31 rotates, the outer ring 32 can only reciprocate back and forth, and next, the first rocker arm 321 of the rocker bearing 3 drives the first hammer head assembly 41 to reciprocate back and forth in the piston sleeve 14, and meanwhile, the second rocker arm 322 of the rocker bearing 3 drives the second hammer head assembly 42 to reciprocate back and forth in the piston sleeve 14, and because the rear ends of the first hammer head assembly 41 and the second hammer head assembly 42 are respectively connected with the first rocker arm 321 and the second rocker arm 322 through the inclined connecting rod portion 45, the first rocker arm 321 can ensure that the first hammer head assembly 41 is pushed to reciprocate linearly in the piston 14 and the second rocker arm 322 is pushed to reciprocate linearly in the piston 14, so that the first hammer head assembly 41 and the second hammer head assembly 42 can alternately massage muscles.
After the technical scheme is adopted, compared with the prior art, the fourth embodiment has the following beneficial effects: in the fourth embodiment, the first hammer head assembly 41 and the second hammer head assembly 42 which are symmetrically arranged in parallel are adopted, the first hammer head assembly 41 and the second hammer head assembly 42 are respectively connected with the first rocker arm 321 and the second rocker arm 322 of the rocker bearing 3 through the inclined connecting rod part 45, and the driving device 2 drives the first hammer head assembly 41 and the second hammer head assembly 42 to alternately and reciprocally swing through the rocker bearing 3 so as to massage two parts of muscles simultaneously; and connect the first rocking arm 321 and the second rocking arm 322 of rocker bearing 3 to first tup subassembly 41 and second tup subassembly 42 respectively for rocker bearing 3 is more steady in the course of the work, and the operation is smooth and easy, and vibrations and noise are littleer, simultaneously, because connect the connecting rod portion 45 that the tup subassembly 4 rear end was inclined directly with rocker bearing 3, connection structure is simpler, and whole volume is littleer.
It is understood that the foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, but rather is to be accorded the full scope of all such modifications and equivalent structures, features and principles as set forth herein.
Claims (7)
1. A novel rocker mechanism for a muscle massage gun, comprising: the device comprises a shell (11), a driving device (2) arranged in the shell (11), a rocker bearing (3) arranged on an output shaft (21) at the front end of the driving device (2) and used for converting rotary motion into linear reciprocating motion, and at least one hammer head assembly (4) connected to the rocker bearing (3) and performing linear reciprocating motion along with the rocker bearing (3), wherein the rocker bearing (3) is provided with a first rocker arm (321) and a second rocker arm (322) which are symmetrical, and the hammer head assembly (4) is connected to the first rocker arm (321) and/or the second rocker arm (322); The rocker bearing (3) comprises an inner ring (31) sleeved on the output shaft (21), an outer ring (32) mounted on the inner ring (31), balls (33) arranged between the inner ring (31) and the outer ring (32) and a supporting frame (34) arranged between the inner ring (31) and the outer ring (32) and used for fixing the balls (33), wherein the first rocker arm (321) and the second rocker arm (322) are formed on the outer ring (32), and the inner ring (31) is provided with an elliptic raceway (311) used for rolling the balls (33); a first connecting rod (51) is arranged between the first rocker arm (321) and the hammer head assembly (4), and two ends of the first connecting rod (51) are respectively and rotatably connected with the first rocker arm (321) and the hammer head assembly (4); A limiting groove (61) is formed at the side of the rocker bearing (3), and the second rocker arm (322) penetrates through the limiting groove (61); A T-shaped crank assembly (8) is arranged between the first connecting rod (51) and the rocker bearing (3), the T-shaped crank assembly (8) comprises a T-shaped crank (81) hinged at one end of the first connecting rod (51), a third connecting rod (82) with two ends respectively hinged on the first rocker arm (321) and the T-shaped crank (81), a fourth connecting rod (83) with two ends respectively hinged on the second rocker arm (322) and the T-shaped crank (81), and a support column (85) fixed on the shell (11) and hinged with the T-shaped crank (81), wherein the T-shaped crank (81) is provided with a first hinge part (811), A second hinge portion (812), a third hinge portion (813), and a fourth hinge portion (814), wherein the first link (51) is hinged to the first hinge portion (811), the third link (82) is hinged to the second hinge portion (812), the fourth link (83) is hinged to the third hinge portion (813), and the fourth hinge portion (814) is hinged to the support column (85); A third rotary connecting mechanism (73) is arranged between the third connecting rod (82) and the first rocker arm (321), and a fourth rotary connecting mechanism (74) is arranged between the fourth connecting rod (83) and the second rocker arm (322); the novel mechanical transmission device is characterized in that a transmission shaft (9) is arranged on an output shaft (21) at the front end of the driving device (2), the rocker bearing (3) is arranged on the transmission shaft (9), a U-shaped box body (6) is sleeved on the transmission shaft (9), the front end of the U-shaped box body (6) is arranged on the transmission shaft (9) through a third bearing (62), the rear end of the U-shaped box body (6) is fixed with the driving device (2), the lower end of the U-shaped box body (6) is fixed with the casing (11), and the limiting groove (61) is formed in the side face of the U-shaped box body (6).
2. The novel rocker mechanism of a muscle massage gun of claim 1, wherein: the hammer head assembly (4) is provided with a first hammer head assembly (41) and a second hammer head assembly (42) in parallel, two ends of the first connecting rod (51) are respectively connected with the first rocker arm (321) and the first hammer head assembly (41) in a rotating way, a second connecting rod (52) is arranged between the second hammer head assembly (42) and the second rocker arm (322), and two ends of the second connecting rod (52) are respectively connected with the second rocker arm (322) and the second hammer head assembly (42) in a rotating way; the first hammer head assembly (41) and the second hammer head assembly (42) respectively do linear reciprocating motion along with the first rocker arm (321) and the second rocker arm (322) alternately.
3. The novel rocker mechanism of a muscle massage gun of claim 2, wherein: a first rotating connection mechanism (71) is arranged between the first connecting rod (51) and the first rocker arm (321), the first rotating connection mechanism (71) comprises a connector (711) sleeved on the first rocker arm (321), a first bearing (712) and a second bearing (713) sleeved on two ends of the connector (711), and a first snap spring retainer ring (714) and a second snap spring retainer ring (715) which are respectively arranged on two ends of the connector (711) and used for fixing the first bearing (712) and the second bearing (713), one end of the first connecting rod (51) is formed with a first shaft sleeve part (511) and a second shaft sleeve part (512) which are respectively arranged on the first bearing (712) and the second bearing (713); a second rotary connecting mechanism (72) is arranged between the second connecting rod (52) and the second rocker arm (322), and the second rotary connecting mechanism (72) has the same structure as the first rotary connecting mechanism (71).
4. The novel rocker mechanism of a muscle massage gun of claim 1, wherein: the rear part of the hammer head assembly (4) is provided with a connecting rod part (45) which is inclined to one side and is connected with the rocker bearing (3), the rear end of the connecting rod part (45) is rotationally connected with the rocker bearing (3) through a third pin shaft (451), and the first rocker arm (321) and the second rocker arm (322) penetrate through the third pin shaft (451).
5. The novel rocker mechanism of a muscle massage gun according to any one of claims 1-4, wherein: the hammer head assembly is characterized by further comprising a battery (12) which is arranged in the casing (11) and is used for providing power for the driving device (2), a first opening (13) which is arranged at the front end of the upper part of the casing (11) and is used for allowing the hammer head assembly (4) to pass through, and a piston sleeve (14) which is arranged in the first opening (13), wherein the hammer head assembly (4) is arranged in the piston sleeve (14), the driving device (2) is arranged at the rear end of the upper part of the casing (11), and the battery (12) is arranged in a handle part of the lower part of the casing (11).
6. The novel rocker mechanism of a muscle massage gun of claim 5, wherein: the hammer head assembly (4) comprises a piston (43) arranged in the piston sleeve (14) and hinged with the first connecting rod (51) and a hammer head (44) arranged at the front end of the piston (43), and a fifth rotary connecting mechanism (75) is arranged between the first connecting rod (51) and the piston (43).
7. The novel rocker mechanism of a muscle massage gun of claim 6, wherein: the rear end of the piston (43) is provided with a U-shaped groove (431), the other end of the first connecting rod (51) is provided with a third shaft sleeve part (513) inserted into the U-shaped groove (431), and the fifth rotary connecting mechanism (75) comprises a first pin shaft (751) penetrating through the U-shaped groove (431) and the third shaft sleeve part (513), a fourth bearing (752) arranged between the third shaft sleeve part (513) and the first pin shaft (751), and a third snap spring retainer ring (753) and a fourth snap spring retainer ring (754) which are arranged at two ends of the first pin shaft (751) and used for fixing the first pin shaft (751).
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| CN111840046B (en) * | 2020-08-06 | 2024-11-08 | 厦门鑫奥力电器有限公司 | Fascia rifle bolt core |
| CN112237537A (en) * | 2020-09-15 | 2021-01-19 | 浙江博来工具有限公司 | Reciprocating transmission mechanism for fascia gun |
| CN112237538A (en) * | 2020-10-15 | 2021-01-19 | 永康市永承工贸有限公司 | Fascia gun impact structure and fascia gun |
| CN112641618A (en) * | 2020-12-20 | 2021-04-13 | 永康市泰琪健身器材有限公司 | Multi-drive multi-head fascia gun |
| CN114652472B (en) * | 2022-03-18 | 2024-07-05 | 深圳瑞科时尚电子有限公司 | Multiple piston drive assembly for an oral care device and oral care device |
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| CN101836932B (en) * | 2009-03-19 | 2012-09-05 | 林彬 | Cassette mechanism structure of massage chair |
| US10314762B1 (en) * | 2018-11-12 | 2019-06-11 | Hyper Ice, Inc. | Battery-powered percussive massage device with pressure sensor |
| CN110478222A (en) * | 2019-09-19 | 2019-11-22 | 郭芳芳 | A kind of flesh muscle rehabilitation impact messaging device |
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