CN212090185U - Novel rocker mechanism of muscle massage rifle - Google Patents

Abstract

The utility model discloses a novel rocker mechanism of muscle massage rifle, it includes: the hammer comprises a driving device, a rocker bearing and at least one hammer head assembly, wherein the rocker bearing is arranged on an output shaft at the front end of the driving device and is used for converting rotary motion into linear reciprocating motion, the at least one hammer head assembly is connected to a rocker arm of the rocker bearing and does linear reciprocating motion along with the rocker bearing, the rocker bearing is provided with a first rocker arm and a second rocker arm which are symmetrical, and the hammer head assembly is connected to the first rocker arm and/or the second rocker arm. In the utility model, the output end of the driving device is provided with the rocker bearing as a driving medium, the rotary motion output by the driving device is converted into the linear reciprocating motion, and the hammer head component is driven by the first connecting rod to move back and forth, so that the hammering massage to the muscle is realized, and the driving device has no gear mechanism and low driving noise; meanwhile, the driving device and the hammer head assembly are arranged in a manner of overlapping center lines, so that the traditional protruding part at the upper end of the casing is omitted, and the casing is simpler and more attractive.

Description

Novel rocker mechanism of muscle massage rifle

The technical field is as follows:

the utility model relates to the technical field of a muscle massage gun, in particular to a novel rocker mechanism of the muscle massage gun.

Background art:

with the gradual popularization of sports and fitness, more and more people realize the importance of sports and fitness and start to love sports, some strength exercises or high-strength exercises are usually required in the process of sports and exercise to increase the core strength of the body and improve the physical quality, muscle soreness often occurs after the body is exercised, and the simplest and most effective method for eliminating the muscle soreness is to carry out relaxation massage on muscles, wherein the relaxation massage can not only eliminate the muscle soreness and fatigue, but also improve the blood flow and improve the physical condition.

The muscle massage rifle is a equipment that is used for massaging muscle, and current muscle massage rifle structure is compact bulky, and the appearance is pleasing to the eye inadequately, and the transmission is unstable, and dynamic balance is poor, has the noise, influences the experience effect that the user used.

In view of the above, the present inventors propose the following.

The utility model has the following contents:

the utility model aims to overcome the defects of the prior art and provide a novel rocker mechanism of a muscle massage gun.

In order to solve the technical problem, the utility model discloses a following technical scheme: this novel rocker mechanism of muscle massage rifle includes: the hammer comprises a driving device, a rocker bearing and at least one hammer head assembly, wherein the rocker bearing is arranged on an output shaft at the front end of the driving device and is used for converting rotary motion into linear reciprocating motion, the at least one hammer head assembly is connected to a rocker arm of the rocker bearing and does linear reciprocating motion along with the rocker bearing, the rocker bearing is provided with a first rocker arm and a second rocker arm which are symmetrical, and the hammer head assembly is connected to the first rocker arm and/or the second rocker arm.

Further, in the above technical solution, a first connecting rod is disposed between the first rocker arm and the hammer head assembly, and two ends of the first connecting rod are respectively connected to the first rocker arm and the hammer head assembly in a rotating manner; a linear limiting groove is formed beside the rocker bearing, and the second rocker arm penetrates through the linear limiting groove.

Furthermore, in the above technical solution, the hammer head assembly is provided with two first hammer head assemblies and two second hammer head assemblies 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 manner, 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 manner; 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.

Further, in the above technical solution, a first rotating connection mechanism is disposed between the first connecting rod and the first rocker arm, the first rotating connection mechanism includes 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 mounted on two ends of the connector and used for fixing the first bearing and the second bearing respectively, and a first sleeve portion and a second sleeve portion which are mounted on the first bearing and the second bearing respectively are formed at one end of the first connecting rod; and a second rotary connecting mechanism is arranged between the second connecting rod and the second rocker arm, and the second rotary connecting mechanism has the same structure as the first rotary connecting mechanism.

Furthermore, in the above technical solution, a T-shaped crank assembly is disposed between the first connecting rod and the rocker bearing, the T-shaped crank assembly includes a T-shaped crank hinged to one end of the first connecting rod, a third connecting rod having two ends hinged to the first rocker arm and the T-shaped crank, a fourth connecting rod having two ends hinged to the second rocker arm and the T-shaped crank, and a support pillar fixed to 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 pillar; and 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.

Furthermore, in the above technical scheme, the rear portion of the hammer head assembly is formed with a connecting rod portion which inclines to one side and is connected with the rocker bearing, the rear end of the connecting rod portion is rotatably 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.

Further, in the above technical solution, the hammer head assembly further includes a housing, a battery installed in the housing and used for providing power to the driving device, a first opening provided at a front end of an upper portion of the housing and used for the hammer head assembly to pass through, and a piston sleeve provided in the first opening, the hammer head assembly is installed in the piston sleeve, the driving device is installed at a rear end of the upper portion of the housing, and the battery is installed in a handle portion of a lower portion of the housing.

Furthermore, in the above technical solution, an 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, the transmission shaft is sleeved with a U-shaped box, 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 linear limiting groove is formed in the side surface of the U-shaped box.

Furthermore, in the above technical solution, the hammer head assembly includes a piston installed in the piston sleeve and hinged to the first connecting rod, and a hammer head installed at a front end of the piston, and a fifth rotation connecting mechanism is disposed between the first connecting rod and the piston.

Furthermore, in the above technical scheme, the piston rear end shaping have a U type groove, the shaping of the first connecting rod other end have and insert the third axle sleeve portion in the U type groove, fifth rotation coupling mechanism including run through U type groove with the first round pin axle of third axle sleeve portion, set up in fourth bearing between third axle sleeve portion and the first round pin axle and set up in first round pin axle both ends are used for fixed first round pin axle's third jump ring retaining ring and fourth jump ring retaining ring.

After the technical scheme is adopted, compared with the prior art, the utility model has following beneficial effect:

1. the utility model discloses in set up the rocker bearing as the driving medium at drive arrangement's output, change the rotary motion of drive arrangement output into the reciprocating swing of first rocking arm to be straight reciprocating motion around the drive hammer subassembly of first connecting rod, realize not needing the gear drive structure to the hammering massage of muscle, consequently, the transmission noise is little.

2. In the utility model, the driving device and the hammer head component are arranged by adopting the center line superposition instead of the vertical arrangement of the center lines of the driving device and the hammer head component, thereby saving the traditional convex part at the upper end of the casing and leading the casing to be 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 mounting space in the vertical direction, the handle part is shorter, and the whole structure is more compact.

3. The utility model adopts the first hammer head component and the second hammer head component which are symmetrically arranged in parallel, and the first connecting rod and the second connecting rod are respectively connected with the first rocker arm and the second rocker arm of the rocker bearing, and the first hammer head component and the second hammer head component are driven by the driving device through the rocker bearing to do alternate reciprocating linear motion, thereby realizing the simultaneous massage of two parts of muscles, which is equivalent to increasing the massage frequency; 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 the noise are less.

4. The utility model discloses in increase a T type crank assembly between first connecting rod and rocker bearing, can make the tup subassembly increase one time to the massage frequency of muscle through this T type crank assembly to improve massage efficiency.

5. The utility model adopts the first hammer head component and the second hammer head component which are symmetrically arranged in parallel, and the first hammer head component and the second hammer head component are respectively connected with the first rocker arm and the second rocker arm of the rocker bearing through the inclined connecting rod part, and the first hammer head component and the second hammer head component are driven by the driving device through the rocker bearing to do alternate reciprocating linear motion, thereby realizing the simultaneous massage of two parts of muscles, which is equivalent to increasing the massage frequency; and whole motion is whole to be the design of symmetry formula, and dynamic balance is good, makes the rocking bar bearing more steady in the course of the work, and vibrations and noise are littleer, simultaneously, owing to directly connect the connecting rod portion with tup subassembly rear end slope to the rocking bar bearing for the structure is simpler, and whole volume is littleer.

Description of the drawings:

fig. 1 is a perspective view of the present invention;

fig. 2 is a schematic structural diagram of a first embodiment of the present invention;

fig. 3 is a cross-sectional view of a first embodiment of the present invention;

fig. 4 is an exploded view of a first embodiment of the present invention;

fig. 5 is an exploded view of a fifth rotating link according to the present invention;

fig. 6 is an exploded view of a first rotating link mechanism of the present invention;

fig. 7 is a perspective view of the 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 structural diagram of a second embodiment of the present invention;

fig. 10 is a 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 structural diagram of a third embodiment of the present invention;

fig. 13 is a sectional view of a third embodiment of the present invention;

FIG. 14 is a cross-sectional view of section B-B of FIG. 11;

fig. 15 is an exploded view of a third embodiment of the present invention;

fig. 16 is an exploded view of a rocker bearing according to the present invention;

fig. 17 is an exploded view of a sixth rotating link according to the present invention;

fig. 18 is a schematic structural diagram of a fourth embodiment of the present invention;

fig. 19 is a sectional view of a fourth embodiment of the present invention.

Description of reference numerals:

11 casing 12 battery 13 first opening

14 piston sleeve 2 driving device 21 output shaft

3 inner ring of screw thread 31 of rocker bearing 30

311 raceway 32 outer ring 321 first rocker arm

322 second swing arm 33 ball 34 support

4-ram assembly 41-first ram assembly 42-second ram assembly

43 piston 431U-shaped groove 44 hammer

45 connecting rod part 451 third pin shaft 51 first connecting rod

511 first bushing portion 512 second bushing portion 513 third bushing portion

52 second connecting rod 6U-shaped box body 61 straight line limiting groove

62 the third bearing 71 first rotating connecting mechanism 711 connects the head

712 first bearing 713 second bearing 714 first circlip retainer

715 second clamp spring retaining ring 716 nut 717 first C-shaped clamp spring

718 second C-shaped clamp spring 72, second rotary connecting mechanism 73 and third rotary connecting mechanism

74 fourth rotating connecting mechanism 75 fifth rotating connecting mechanism 751 first pin

752 fourth bearing 753 third circlip retainer 754 fourth circlip retainer

755 first shim 756 sixth rotational connection of second shim 76

761 second hinge pin 762 fifth bearing 763 fifth circlip retainer ring

764 sixth circlip retainer ring 765 third washer 766 fourth washer

77 seventh rotating connecting mechanism 78 eighth rotating connecting mechanism 79 ninth rotating connecting mechanism

First hinge part of 8T-shaped crank component 81T-shaped crank 811

812 second hinge 813 third hinge 814 fourth hinge

82 third link 821 third hub portion 822 fourth hub portion

823 th fifth shaft sleeve portion 824 sixth shaft sleeve portion 83 fourth connecting rod

85 support column 851 base 852 boss

853 sixth bearing 854 seventh circlip retainer ring 9 transmission shaft

The specific implementation mode is as follows:

the present invention will be further described with reference to the following specific embodiments and accompanying drawings.

As shown in fig. 1 to 19, a new rocker mechanism of a muscle massage gun comprises: the hammer comprises a driving device 2, a rocker bearing 3 and at least one hammer head assembly 4, wherein the rocker bearing 3 is installed 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, the hammer head assembly 4 is connected to a rocker arm of the rocker bearing 3 and does linear reciprocating motion along with the rocker bearing 3, 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 arranged on the inner ring 31, balls 33 arranged between the inner ring 31 and the outer ring 32, and a support 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 oval raceway 311 used for rolling the balls 33. Through set up rocker bearing 3 as the driving medium at drive arrangement 2's output, change the rotary motion of drive arrangement 2 output into for the reciprocating swing of first rocking arm 321 and second rocking arm 322 to drive tup subassembly 4 reciprocating motion back and forth through first connecting rod 51, realize the hammering massage to muscle, consequently, simple structure is compact, no transmission noise.

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 machine shell 11, and the battery 12 is arranged in a handle part at the lower part of the machine shell 11. The casing 11 is T-shaped.

The output shaft 21 of 2 front ends of drive arrangement on be provided with a transmission shaft 9, rocker bearing 3 installs on this transmission shaft 9, the cover is equipped with a U type box 6 on the transmission shaft 9, this U type box 6 front end pass through third bearing 62 install in on the transmission shaft 9, this U type box 6 rear end with drive arrangement 2 rigid, this U type box 6 lower extreme with casing 11 rigid, sharp spacing groove 61 set up in on the U type box 6 side. The driving device 2 is a motor.

The hammer head assembly 4 comprises a piston 43 installed in the piston sleeve 14 and hinged to the first connecting rod 51, and a hammer head 44 installed at the front end of the piston 43, wherein a fifth rotating connecting mechanism 75 is arranged between the first connecting rod 51 and the piston 43.

A U-shaped groove 431 is formed at the rear end of the piston 43, a third shaft sleeve portion 513 inserted into the U-shaped groove 431 is formed at the other end of the first connecting rod 51, and the fifth rotating 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 arranged between the third shaft sleeve portion 513 and the first pin 751, and a third snap spring retainer ring 753 and a fourth snap spring retainer ring 754 arranged at both ends of the first pin 751 and used for fixing the first pin 751. A first gasket 755 is arranged between the third clamp spring retainer ring 753 and the upper end face of the U-shaped groove 431, and a second gasket 756 is arranged between the fourth clamp spring retainer ring 754 and the lower end face of the U-shaped groove 431.

Fig. 2 to fig. 6 show a first embodiment of the present invention, in which: 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 connected with the first rocker arm 321 and the hammer head assembly 4 in a rotating manner; a straight line limiting groove 61 is arranged beside the rocker bearing 3, and the second rocker 322 passes through the straight line limiting groove 61. The end of the first swing arm 321 is provided with a thread 30.

The 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 connecting head 711 sleeved on the first rocker arm 321, a first bearing 712 and a second bearing 713 sleeved at two ends of the connecting head 711, and a first clamp spring retaining ring 714 and a second clamp spring retaining ring 715 which are installed at two ends of the connecting head 711 and are respectively used for fixing the first bearing 712 and the second bearing 713, a first sleeve portion 511 and a second sleeve portion 512 which are respectively installed on the first bearing 712 and the second bearing 713 are formed at one end of the first connecting rod 51, the first bearing 712 and the second bearing 713 are respectively fixed on the first sleeve portion 511 and the second sleeve portion 512 by a first C-shaped clamp spring 717 and a second C-shaped clamp spring 718, and the connecting head 711 is fixed on the first rocker arm 321 through a nut 716.

In the first embodiment, the driving device 2 drives the inner ring 31 of the rocker bearing 3 to rotate through the transmission shaft 9, and the linear limit 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 linear limit groove 61 in a reciprocating manner, and on the next step, the first rotating connecting mechanism 71 through which the first rocker arm 321 of the rocker bearing 3 passes drives the hammer head assembly 4 to move back and forth in the piston sleeve 14 through the first connecting rod 51, thereby massaging muscles by the hammer head assembly 4.

After adopting above-mentioned technical scheme, this embodiment one compares with prior art and has following beneficial effect: in the first embodiment, the driving device 2 and the hammer head assembly 4 are arranged in a manner of overlapping center lines, so that the traditional protruding part at the upper end of the casing 11 is omitted, and the casing 11 is simple and beautiful; and the swing plane of the rocker bearing 3 is perpendicular to the axis of the handle part of the casing 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 manner, 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 manner; the first ram assembly 41 and the second ram assembly 42 alternately perform linear reciprocating motions with the first rocker arm 321 and the second rocker 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 arranged between the first link 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 which are installed on two ends of the connector 711 and are respectively used for fixing the first bearing 712 and the second bearing 713, and a first sleeve portion 511 and a second sleeve portion 512 which are respectively installed on the first bearing 712 and the second bearing 713 are formed at one end of the first link 51; 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. The first rotation connecting mechanism 71 and the second rotation connecting mechanism 72 are fixed to the first swing arm 321 and the first swing arm 322 by nuts 716, respectively.

The first link 51 is connected to the first ram assembly 41 through a fifth rotating link mechanism 75, a ninth rotating link mechanism 79 is provided between the second link 52 and the second ram assembly 41, and the ninth rotating link mechanism 79 and the fifth rotating link mechanism 75 have the same structure.

A U-shaped groove 431 is formed at the rear end of the piston 43, a third shaft sleeve portion 513 inserted into the U-shaped groove 431 is formed at the other end of the first connecting rod 51, and the fifth rotating 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 arranged between the third shaft sleeve portion 513 and the first pin 751, and a third snap spring retainer ring 753 and a fourth snap spring retainer ring 754 arranged at both ends of the first pin 751 and used for fixing the first pin 751. A first gasket 755 is arranged between the third clamp spring retainer ring 753 and the upper end face of the U-shaped groove 431, and a second gasket 756 is arranged between the fourth clamp spring retainer ring 754 and the lower end face 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 transmission shaft 9, and the linear 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 linear limiting groove 61, and next, the first rotating connecting mechanism 71 through which the first rocker arm 321 of the rocker bearing 3 passes drives the first hammer head assembly 41 to move back and forth in the piston sleeve 14 through the first connecting rod 51, and meanwhile, the second rotating connecting mechanism 72 through which the second rocker arm 322 of the rocker bearing 3 passes drives the second hammer head assembly 42 to move 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 massage muscles alternately.

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 are symmetrically arranged in parallel, the first connecting rod 51 and the second connecting rod 52 are respectively used for connecting the first hammer head assembly 41 and the second hammer head assembly 42 with the first rocker arm 321 and the second rocker arm 322 of the rocker bearing 3, and the driving device 2 drives the first hammer head assembly 41 and the second hammer head assembly 42 to alternately swing in a reciprocating manner through the rocker bearing 3, so that two parts of muscles are massaged simultaneously, namely, 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 in a symmetrical mode, the dynamic balance is good, and the vibration and the noise are smaller.

Fig. 10 to fig. 13 show a third embodiment of the present invention, in which: a T-shaped crank component 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 to one end of the first connecting rod 51, a third connecting rod 82 with two ends respectively hinged to the first rocker arm 321 and the T-shaped crank 81, a fourth connecting rod 83 with two ends respectively hinged to the second rocker arm 322 and the T-shaped crank 81, and a supporting column 85 fixed on the casing 11 and hinged to the T-shaped crank 81, the T-shaped crank 81 is provided with a first hinge portion 811, a second hinge portion 812, a third hinge portion 813 and a fourth hinge portion 814, wherein the first link 51 is hinged with the first hinge 811, the third link 82 is hinged with 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 supporting column 85 includes a base 851 fixed on the housing 11 and a boss 852 formed on an upper end of the base 851, the fourth hinge portion 814 is sleeved on the boss 852, a sixth bearing 853 is disposed on the boss 852 and the fourth hinge portion 814, and the sixth bearing 853 is fixed on the boss 852 through a seventh snap ring 854. The T-shaped crank 81 is T-shaped.

A sixth rotation connecting mechanism 76 is disposed between the first link 51 and the first hinge portion 811, and the sixth rotation connecting mechanism 76 includes a second pin 761 penetrating through the first hinge portion 811 and the first bushing portion 511 and the second bushing portion 512 of the first link 51, a fifth bearing 762 disposed between the first hinge portion 811 and the second pin 761, fifth and sixth snap spring retaining rings 763 and 764 retaining rings disposed at both ends of the second pin 761 for fixing the second pin 761, a third gasket 765 disposed between the fifth snap spring retaining ring 763 and the upper end surface of the first bushing portion 511, and a fourth gasket 766 disposed between the sixth snap spring retaining ring 764 and the lower end surface of the second bushing portion 512; a seventh rotating connecting mechanism 77 is arranged between the third connecting rod 82 and the second hinge portion 812, and the seventh rotating connecting mechanism 77 has the same structure as the sixth rotating connecting mechanism 76; an eighth rotation connecting mechanism 78 is disposed between the fourth link 83 and the third hinge portion 813, and the eighth rotation connecting mechanism 78 has the same structure as the sixth rotation connecting mechanism 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 rotating link mechanism 73 is identical in structure to the first rotating link mechanism 71 in the second embodiment, and the fourth rotating link mechanism 74 is identical in structure to the second rotating link mechanism 72 in the second embodiment. The third rotary connecting mechanism 73 and the fourth rotary connecting mechanism 74 are fixed to the first swing arm 321 and the first swing arm 322 by nuts 716, respectively.

A third shaft sleeve part 821 and a fourth shaft sleeve part 822 which are arranged in a U shape are arranged at one end of the third connecting rod 82, the third shaft sleeve part 821 and the fourth shaft sleeve part 822 are connected with the first rocker arm 321 through the third rotating connecting mechanism 73, a fifth shaft sleeve part 823 and a sixth shaft sleeve part 824 which are arranged in a U shape are also arranged at the other end of the third connecting rod 82, and the fifth shaft sleeve part 823 and the sixth shaft sleeve part 824 are connected with a second hinge part 812 of the T-shaped crank 81 through the seventh rotating connecting mechanism 77; the fourth link 83 has the same structure as the third link 82, one end of the fourth link 83 is connected to the second swing arm 322 via the fourth pivot connecting 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 via the eighth pivot connecting mechanism 78. The fourth rotary connecting mechanism 74 is identical in structure to the third rotary connecting mechanism 73. The eighth rotating link 78 is identical in structure to the seventh rotating link 77.

In the third embodiment, the driving device 2 drives the inner ring 31 of the rocker bearing 3 to rotate through the transmission shaft 9, and the linear 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 linear limiting groove 61, 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 via the third rotating connecting mechanism 73, the T-shaped crank 81 drives the hammer assembly 4 to reciprocate back and forth in the piston sleeve 14 via the first connecting rod 51, meanwhile, the fourth rotating connecting mechanism 74 of the second rocker 322 of the rocker bearing 3 drives the T-shaped crank 81 to rotate around the supporting seat 85 via the fourth connecting rod 83, the T-shaped crank 81 drives the hammer assembly 4 to reciprocate back and forth in the piston sleeve 14 via the first connecting rod 51, and the T-shaped crank 81 drives the hammer assembly 4 to move back and forth in the piston sleeve 14 in two periods within one rotation period of the rocker bearing 3 Thereby realizing that the massage frequency of the hammer head component 4 to the muscle 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 link 51 and the rocker bearing 3, and the massage frequency of the hammer head assembly 4 to the muscle can be doubled by the T-shaped crank assembly 8, so that the massage efficiency is improved.

Fig. 17 to fig. 19 show a fourth embodiment of the present invention, in which: the rear part of the hammer head component 4 is formed with a connecting rod part 45 which inclines 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 shaft 451, and the first rocker arm 321 and the second rocker arm 322 penetrate through the third pin shaft 451. The two hammer head assemblies 4 are arranged in parallel, and the two hammer head assemblies are a first hammer head assembly 41 and a second hammer head assembly 42.

In the fourth embodiment, the inner ring 31 of the rocker bearing 3 is driven to rotate by the driving device 2 through the transmission shaft 9, 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 swing back and forth in a reciprocating manner, next, the first rocker arm 321 of the rocker bearing 3 drives the first hammer head assembly 41 to move back and forth in the piston sleeve 14 in a reciprocating manner, and meanwhile, the second rocker arm 322 of the rocker bearing 3 drives the second hammer head assembly 42 to move back and forth in the piston sleeve 14 in a reciprocating manner, 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 swing 322 through the inclined connecting rod part 45, the first rocker arm 321 can be ensured to drive the first hammer head assembly 41 to move linearly in a reciprocating manner in the piston 14 and the second rocker arm 322 to drive the second hammer head assembly 42 to move linearly in a reciprocating manner in the piston sleeve 14 through the inclined angle of, thereby achieving the massage of the muscles alternately by the first ram assembly 41 and the second ram assembly 42.

After adopting above-mentioned technical scheme, this embodiment four compares with prior art and has following beneficial effect: in the fourth embodiment, the first hammer head assembly 41 and the second hammer head assembly 42 are symmetrically arranged in parallel, 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 first hammer head assembly 41 and the second hammer head assembly 42 are driven by the driving device 2 through the rocker bearing 3 to alternately and reciprocally swing, so that two parts of muscles are massaged simultaneously; and be connected to first tup subassembly 41 and second tup subassembly 42 respectively with first rocking arm 321 and second rocking arm 322 of rocking rod bearing 3 for rocking rod 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, owing to directly connect in rocking rod bearing 3 with the connecting rod portion 45 of tup subassembly 4 rear end slope, connection structure is simpler, and whole volume is littleer.

Of course, the above description is only an exemplary embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent changes and modifications made by the constructions, features, and principles of the present invention in accordance with the claims of the present invention are intended to be included in the scope of the present invention.

Claims (10)

1. The utility model provides a novel rocker mechanism of muscle massage rifle which characterized in that includes: the hammer head assembly comprises a driving device (2), a rocker bearing (3) and at least one hammer head assembly (4), wherein the rocker bearing (3) is installed 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, the at least one hammer head assembly (4) is connected to a rocker arm of the rocker bearing (3) and does linear reciprocating motion along with the rocker bearing (3), 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).

2. The novel rocker mechanism of a muscle massage gun of claim 1, wherein: 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 in rotating connection with the first rocker arm (321) and the hammer head assembly (4); a straight line limiting groove (61) is formed in the side of the rocker bearing (3), and the second rocker arm (322) penetrates through the straight line limiting groove (61).

3. The new rocker mechanism of a muscle massage gun as claimed in claim 2, 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 mode, 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 mode; 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.

4. The novel rocker mechanism of a muscle massage gun of claim 3, 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 connecting head (711) sleeved on the first rocker arm (321), a first bearing (712) and a second bearing (713) sleeved on two ends of the connecting head (711), and a first clamp spring retaining ring (714) and a second clamp spring retaining ring (715) which are arranged at two ends of the connecting head (711) and used for fixing the first bearing (712) and the second bearing (713) respectively, and a first sleeve part (511) and a second sleeve part (512) which are arranged on the first bearing (712) and the second bearing (713) respectively are formed at one end of the first connecting rod (51); a second rotating connecting mechanism (72) is arranged between the second connecting rod (52) and the second rocker arm (322), and the second rotating connecting mechanism (72) and the first rotating connecting mechanism (71) have the same structure.

5. The new rocker mechanism of a muscle massage gun as claimed in claim 2, wherein: a T-shaped crank component (8) is arranged between the first connecting rod (51) and the rocking rod bearing (3), the T-shaped crank component (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 rocking arm (321) and the T-shaped crank (81), a fourth connecting rod (83) with two ends respectively hinged on the second rocking arm (322) and the T-shaped crank (81), and a supporting column (85) fixed on the machine shell (11) and hinged with the T-shaped crank (81), the T-shaped crank (81) is provided with a first hinged part (811), a second hinged part (812), a third hinged part (813) and a fourth hinged part (814), wherein the first connecting rod (51) is hinged with the first hinged part (811), and the third connecting rod (82) is hinged with the second hinged part (812), the fourth connecting rod (83) is hinged with the third hinge part (813), and the fourth hinge part (814) is hinged on the supporting 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).

6. The new rocker mechanism of a muscle massage gun as claimed in claim 2, wherein: the rear part of the hammer head component (4) is provided with a connecting rod part (45) which inclines 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 shaft (451), and the first rocker arm (321) and the second rocker arm (322) penetrate through the third pin shaft (451).

7. The novel rocker mechanism of a muscle massage gun as claimed in any one of claims 2 to 6, wherein: the hammer head assembly is characterized by further comprising a machine shell (11), a battery (12) which is arranged in the machine shell (11) and used for providing electric power for the driving device (2), a first opening (13) which is formed in the front end of the upper portion of the machine shell (11) and used for allowing the hammer head assembly (4) to penetrate 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 portion of the machine shell (11), and the battery (12) is arranged in a handle portion of the lower portion of the machine shell (11).

8. The novel rocker mechanism of a muscle massage gun of claim 7, wherein: drive arrangement (2) output shaft (21) of front end on be provided with transmission shaft (9), rocker bearing (3) are installed on this transmission shaft (9), the cover is equipped with a U type box (6) on transmission shaft (9), this U type box (6) front end through third bearing (62) install in on transmission shaft (9), this U type box (6) rear end with drive arrangement (2) are immovable, this U type box (6) lower extreme with casing (11) are immovable, sharp spacing groove (61) set up in on U type box (6) side.

9. The novel rocker mechanism of a muscle massage gun of claim 7, wherein: the hammer head assembly (4) comprises a piston (43) which is arranged in the piston sleeve (14) and is hinged with the first connecting rod (51) and a hammer head (44) which is arranged at the front end of the piston (43), and a fifth rotating connecting mechanism (75) is arranged between the first connecting rod (51) and the piston (43).

10. The novel rocker mechanism of a muscle massage gun of claim 9, wherein: 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 part (513) inserted into the U-shaped groove (431), and the fifth rotating 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 clamp spring retainer ring (753) and a fourth clamp 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).

Images