CN212789103U

CN212789103U - Driving mechanism, massage mechanism and fascia gun

Info

Publication number: CN212789103U
Application number: CN202022136526.6U
Authority: CN
Inventors: 卢军
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2021-03-26
Anticipated expiration: 2030-09-25

Abstract

The utility model is suitable for a power transmission technical field provides an actuating mechanism, massage mechanism and manadesma rifle, and actuating mechanism includes: a drive motor; one end face of the first eccentric wheel is fixedly connected with an output shaft of the driving motor, and the other end face of the first eccentric wheel is provided with a first eccentric shaft; the driving rod is arranged on one side, away from the driving motor, of the first eccentric wheel, and one end of the driving rod is assembled with the first eccentric shaft through a first bearing; the second eccentric shaft is assembled at one end, far away from the first eccentric shaft, of the driving rod; the second eccentric wheel is assembled with the second eccentric shaft through a second bearing, and a fixed mounting part is arranged at one end, far away from the second eccentric shaft, of the second eccentric wheel; and a transmission piston pivoted with the driving rod. The utility model discloses can reduce rocking of transmission piston for be difficult to appear the noise when actuating mechanism uses in the manadesma rifle, can not lead to the fact the mechanism to damage because the transmission piston rocks for a long time and takes place the friction with manadesma rifle inner structure simultaneously.

Description

Driving mechanism, massage mechanism and fascia gun

Technical Field

The utility model belongs to the technical field of power transmission, especially, relate to an actuating mechanism, massage mechanism and manadesma rifle.

Background

Professional athletes or common leisure sports enthusiasts have experience of muscular soreness after sports, and at present, a fascia gun is a good tool for assisting stretching recovery after exercise. The fascia gun can relieve muscle spasm, increase blood flow and greatly shorten muscle recovery time by applying vibration frequency.

Most fascia guns in the prior art comprise a knocking ball and a single eccentric wheel connecting rod mechanism, and the knocking ball is driven by the eccentric wheel connecting rod mechanism to perform reciprocating linear motion, so that the knocking massage effect is realized. However, the conventional eccentric wheel connecting rod mechanism is easy to shake in the transmission process, so that noise is easy to occur when the eccentric wheel connecting rod mechanism is installed in the fascia gun, and even the eccentric wheel connecting rod mechanism shakes for a long time and rubs with the internal structure of the fascia gun to cause mechanism damage.

SUMMERY OF THE UTILITY MODEL

The utility model provides an actuating mechanism, massage mechanism and manadesma rifle aims at solving conventional eccentric wheel link mechanism and takes place to rock easily in transmission process, leads to appearing the noise easily when eccentric wheel link mechanism installs in the manadesma rifle, even because eccentric wheel link mechanism rocks for a long time and takes place the problem that the friction caused the mechanism to damage with manadesma rifle inner structure.

The utility model discloses a realize like this, provide a drive mechanism on the one hand, include: a drive motor; one end face of the first eccentric wheel is fixedly connected with an output shaft of the driving motor, and the other end face of the first eccentric wheel is provided with a first eccentric shaft; the driving rod is arranged on one side, away from the driving motor, of the first eccentric wheel, and one end of the driving rod is assembled with the first eccentric shaft through a first bearing; the second eccentric shaft is assembled at one end, far away from the first eccentric shaft, of the driving rod; the second eccentric wheel is assembled with the second eccentric shaft through a second bearing, and a fixed mounting part is arranged at one end, far away from the second eccentric shaft, of the second eccentric wheel; and a transmission piston pivoted with the driving rod.

Preferably, the edge of the first eccentric wheel is provided with a marking part, the first eccentric wheel and the second eccentric wheel have the same structure, and the marking part of the first eccentric wheel and the marking part of the second eccentric wheel face the same direction.

Preferably, the first eccentric and the second eccentric are disposed on opposite sides of the drive rod.

Preferably, a mounting base for fixing the driving motor is arranged between the driving motor and the first eccentric wheel.

Preferably, a plurality of hollow mounting sleeves are arranged at intervals along the circumferential direction on the outer edge of the mounting base, and rubber rings are arranged at two ends of each hollow mounting sleeve.

Another aspect provides a massage mechanism driven by the driving mechanism as described above, comprising: a first housing; the sliding rod is arranged in the first shell, the two mounting plates are arranged on two opposite sides of one end face of the first shell, and the two mounting plates are arranged on two opposite sides of one end face of the first shell; and locate two a pair of massage subassembly between the mounting panel, each massage subassembly all includes head rod, second connecting rod and arm lock, the one end of head rod with the slide bar is kept away from transmission piston one end is articulated, the one end of second connecting rod with the mounting panel is articulated, the other end of second connecting rod with the head rod is kept away from the one end of slide bar is articulated, and with arm lock fixed connection.

Preferably, the sliding rod is driven by a driving mechanism to do linear reciprocating motion in the first shell;

actuating mechanism includes the transmission piston, the transmission piston is close to the assembly chamber has been seted up to the one end of slide bar, the cover is equipped with the diameter and is greater than on the outer wall of slide bar the rubber sleeve of assembly chamber internal diameter, in order to realize the slide bar with detachable assembly between the transmission piston.

Preferably, the two opposite sides of the outer wall of the sliding rod are respectively provided with a sliding strip, and the inner wall of the mounting plate is provided with a sliding groove in sliding fit with the sliding strip.

The utility model also provides a fascia rifle, include: the driving mechanism is arranged in the second shell, a plurality of positioning columns matched with the mounting sleeve of the driving mechanism are arranged on the inner wall of one side of the second shell, and an embedding groove for mounting the fixing part of the driving mechanism is formed in the inner wall of the other side of the second shell; and the mounting seat is connected with one end of the second shell, and a guide sleeve which is communicated with the inside of the second shell and is assembled with the transmission piston of the driving mechanism in a sliding manner is arranged on the mounting seat.

Preferably, the fascia gun further comprises the massage mechanism which is detachably connected with the mounting seat and is described above; can be used in combination with muscle holding for massage. Of course, the massage mechanism can be installed in a plugging mode, and can be replaced by other types of massage mechanisms, for example, a round hammer, a clipper and the like, so that different massage requirements can be met conveniently.

Preferably, the electric toothbrush further comprises a control circuit board which is arranged inside the second shell and electrically connected with a driving motor of the driving mechanism and used for controlling the rotating speed of the driving motor, and a control panel which is electrically connected with the control circuit board is arranged on the outer wall of the second shell or the outer wall of the handle.

Compared with the prior art, the embodiment of the application mainly has the following beneficial effects:

the utility model has the advantages that:

(1) in the driving motor provided by the utility model, one end surface is fixedly connected with the output shaft of the driving motor, and the other end surface is provided with the first eccentric wheel of the first eccentric shaft; the driving rod is arranged on one side, away from the driving motor, of the first eccentric wheel, and one end of the driving rod is assembled with the first eccentric shaft through a first bearing; the second eccentric shaft is assembled at one end, far away from the first eccentric shaft, of the driving rod; the second eccentric wheel is assembled with the second eccentric shaft through a second bearing, and a fixed mounting part is arranged at one end, far away from the second eccentric shaft, of the second eccentric wheel; and a transmission piston pivoted with the driving rod. The utility model discloses can reduce the transmission piston from top to bottom, control and rock for when actuating mechanism uses in the manadesma rifle, be difficult to influence manadesma rifle internal structure stability, reduce noise, loss appear because of the massage mechanism receives the thrust of muscle, especially can not because the transmission piston rocks for a long time and takes place the friction with manadesma rifle internal structure and cause the mechanism to damage, prolong the life of manadesma rifle greatly and promote the use experience.

(2) The utility model provides a massage mechanism is different from the massage piece that current form is simple and easy, massage action is single, the utility model discloses a massage mechanism can realize holding between the fingers, pushing and wait muscle massage function, has filled the blank of this aspect of functional requirement of manadesma rifle, has richened the usage and the adaptation width of manadesma rifle for the manadesma rifle has wider prospect.

The fascia gun of the utility model optimizes the structure of the driving motor and the massage mechanism, and can be used in combination by optimizing one of the two aspects.

Drawings

Fig. 1 is a schematic view of an internal structure of a fascia gun provided by the present invention;

fig. 2 is a schematic view of the overall structure of a driving mechanism provided by the present invention;

fig. 3 is a schematic view of the overall structure of a massage mechanism provided by the present invention;

fig. 4 is a schematic view of the overall structure of the fascial gun according to the present invention.

Reference numerals: 1. a drive motor; 2. a first eccentric shaft; 3. a first eccentric wheel; 4. a drive rod; 5. a first bearing; 6. a second eccentric shaft; 7. a second bearing; 8. a second eccentric wheel; 9. a fixed mounting portion; 10. a drive piston; 11. a marking section; 12. mounting a base; 13. a hollow mounting sleeve; 14. a rubber ring; 15. a first housing; 16. a slide bar; 17. mounting a plate; 18. a massage assembly; 181. a first connecting rod; 182. a second connecting rod; 183. clamping arms; 19. an assembly chamber; 20. a rubber sleeve; 21. a slide bar; 22. a chute; 23. a second housing; 24. a positioning column; 25. a mounting seat; 26. a guide sleeve; 27. a handle; 28. a control circuit board; 29. a control panel.

Detailed Description

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the application herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application; the terms "including" and "having," and any variations thereof, in the description and claims of this application and the description of the above figures are intended to cover non-exclusive inclusions. The terms "first," "second," and the like in the description and claims of this application or in the above-described drawings are used for distinguishing between different objects and not for describing a particular order.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

An aspect of the present invention provides a driving mechanism, as shown in fig. 1 to 4, including: a drive motor 1; one end surface is fixedly connected with an output shaft of the driving motor 1, and the other end surface is provided with a first eccentric wheel 3 of a first eccentric shaft 2; the driving rod 4 is arranged on one side, away from the driving motor 1, of the first eccentric wheel 3, and one end of the driving rod 4 is assembled with the first eccentric shaft 2 through a first bearing 5; a second eccentric shaft 6 which is assembled at one end of the driving rod 4 far away from the first eccentric shaft 2; a second eccentric wheel 8 assembled with the second eccentric shaft 6 through a second bearing 7, wherein a fixed mounting part 9 is arranged at one end of the second eccentric wheel 8 far away from the second eccentric shaft 6; and a transmission piston 10 pivoted to the driving rod 4.

In the present embodiment, the driving mechanism includes a driving motor 1, a first eccentric wheel 3, a driving rod 4, a first eccentric shaft 2, and a transmission piston 10. Specifically, one end face of the first eccentric wheel 3 is fixedly connected with an output shaft of the driving motor 1, the other end face is provided with a first eccentric shaft 2, and a first bearing 5 is sleeved on the first eccentric shaft 2. The driving rod 4 is arranged on one side of the first eccentric wheel 3 far away from the driving motor 1, and the first eccentric shaft 2 is fixedly assembled with one end of the driving rod 4 through a first bearing 5. The transmission piston 10 is pivotally connected to one end of the drive rod 4. When the driving motor 1 is started, the output shaft of the driving motor 1 rotates towards one direction, so that the first eccentric wheel 3 assembled with the output shaft rotates, and because the first eccentric wheel 3 is assembled with the driving rod 4 through the first eccentric shaft 2 to form an eccentric wheel connecting rod mechanism, when the first eccentric wheel 3 rotates, the driving rod 4 can be driven to do linear reciprocating motion on a plane perpendicular to the first eccentric shaft 2, and then the driving piston 10 pivoted with one end of the driving rod 4 is driven to do linear reciprocating motion together with the driving rod 4, so that the conversion from the rotating motion to the linear motion is realized. In one embodiment, the driving mechanism can be installed in a fascial gun, a massage mechanism (such as a hitting ball) capable of performing a massage function is installed at one end of the transmission piston 10, and the driving mechanism of the present scheme is installed at the other end, so that the massage function of the fascial gun is realized through the rotation of the motor.

However, since the conventional eccentric wheel link mechanism is easily shaken during the driving process, noise is easily generated when the driving mechanism is installed in, for example, the fascial gun, and even the mechanism is damaged due to the friction of the driving piston 10 against the internal structure of the fascial gun caused by long-time shaking.

Therefore, in the present embodiment, the driving mechanism further comprises a second eccentric shaft 6, a second eccentric 8, a stationary mounting 9. Specifically, a second eccentric shaft 6 is fitted to an end of the driving rod 4 remote from the first eccentric shaft 2, and a second bearing 7 is fitted over the second eccentric shaft 6. The second eccentric 8 is fixedly mounted with the second eccentric shaft 6 via a second bearing 7. And a fixed mounting part 9 is arranged at one end of the second eccentric wheel 8 far away from the second eccentric shaft 6. In one embodiment, the transmission piston 10, the first eccentric 3 and the second eccentric 8 are arranged in a straight line on the drive rod 4. When first eccentric wheel 3 drives actuating lever 4 and is the straight reciprocating motion on the plane of the first eccentric shaft 2 of perpendicular to, owing to under the effect of second eccentric wheel 8, make actuating lever 4 can keep linear motion for the other end of second eccentric wheel 8 stably, reduce rocking of actuating lever 4, and then reduce rocking of transmission piston 10, make the actuating mechanism when this scheme be difficult to appear the noise when using in the manadesma rifle, can not take place to rub with manadesma rifle inner structure because transmission piston 10 rocks for a long time simultaneously and cause the mechanism to damage.

In a further preferred embodiment of the present invention, as shown in fig. 1-4, the edge of the first eccentric wheel 3 is provided with a marking portion 11, the first eccentric wheel 3 and the second eccentric wheel 8 have the same structure, and the marking portion 11 of the first eccentric wheel 3 and the marking portion 11 of the second eccentric wheel 8 face the same direction.

In the present embodiment, in order to keep the driving rod 4 in a stable motion track under the action of the first eccentric 3 and the second eccentric 8, it is therefore necessary to define the motion process angular velocities of the first eccentric 3 and the second eccentric 8 to be equal, and at the same time, in order to ensure that the relative positions between the first eccentric 3 and the second eccentric 8 can achieve the same angular velocities, by providing a marking 11, for example a notch, at the edge of the first eccentric 3, the first eccentric 3 and the second eccentric 8 are configured in the same way, and the marking 11 of the first eccentric 3 and the marking 11 of the second eccentric 8 face in the same direction.

In a further preferred embodiment of the present invention, as shown in fig. 1-4, the first eccentric 3 and the second eccentric 8 are disposed on opposite sides of the driving rod 4.

In the embodiment, the first eccentric wheel 3 and the second eccentric wheel 8 are respectively arranged at two opposite sides of the driving rod 4, so that the installation area of the driving rod 4 is fully utilized, and parts on the driving rod 4 are prevented from being mounted too crowded.

In a further preferred embodiment of the present invention, as shown in fig. 1-4, a mounting base 12 for fixing the driving motor 1 is disposed between the driving motor 1 and the first eccentric wheel 3.

In the present exemplary embodiment, the drive motor 1 is fixed inside the fascial gun, for example, by means of a mounting base 12 between the drive motor 1 and the first eccentric 3.

In a further preferred embodiment of the present invention, as shown in fig. 1-4, the outer edge of the mounting base 12 is provided with a plurality of hollow mounting sleeves 13 at intervals along the circumferential direction, and rubber rings 14 are provided at two ends of the hollow mounting sleeves 13.

In this embodiment, a plurality of hollow mounting sleeves 13 are circumferentially spaced at an outer edge of the mounting base 12, and rubber rings 14 are provided at both ends of the hollow mounting sleeves 13, so as to provide a shock-proof effect, and when the driving mechanism is applied to the fascial gun, the rubber rings 14 can reduce the transmission of the shock generated by the rotation of the driving motor 1 to the handle 27 of the fascial gun.

Another aspect of the present invention provides a massage mechanism, which can be driven by the above-mentioned driving mechanism, as shown in fig. 1-4, comprising: a first housing 15; a sliding rod 16 installed inside the first housing 15, wherein one end of the sliding rod 16 is detachably assembled with the transmission piston 10 of the driving mechanism, and the driving mechanism can drive the sliding rod 16 to make linear reciprocating motion inside the first housing 15; two mounting plates 17 arranged on two opposite sides of one end face of the first shell 15; and a pair of massage assemblies 18 arranged between the two mounting plates 17, each massage assembly 18 comprises a first connecting rod 181, a second connecting rod 182 and a clamping arm 183, one end of the first connecting rod 181 is hinged to one end of the sliding rod 16 far away from the transmission piston 10, one end of the second connecting rod 182 is hinged to the mounting plate 17, and the other end of the second connecting rod 182 is hinged to one end of the first connecting rod 181 far away from the sliding rod 16 and fixedly connected to the clamping arm 183.

In this embodiment, the massage mechanism includes a first housing 15, a slide bar 16, a mounting plate 17, and a massage assembly 18. Specifically, a slide rod 16 is installed inside the first housing 15, and one end of the slide rod 16 is detachably fitted to the transmission piston 10 of the driving mechanism, by which the slide rod 16 can be driven to linearly reciprocate inside the first housing 15. In one embodiment, an assembly cavity 19 is formed at one end of the transmission piston 10 close to the sliding rod 16, a rubber sleeve 20 with a diameter larger than the inner diameter of the assembly cavity 19 is sleeved on the outer wall of the sliding rod 16, and the sliding rod 16 and the transmission piston 10 are detachably assembled through the rubber sleeve 20. The mounting plates 17 are provided in two pieces, respectively, on opposite sides of one end surface of the first housing 15. The massage assemblies 18 are provided with a pair of massage assemblies and are arranged between the two mounting plates 17, each massage assembly 18 comprises a first connecting rod 181, a second connecting rod 182 and a clamping arm 183, one end of the first connecting rod 181 is hinged with one end of the sliding rod 16 far away from the transmission piston 10, one end of the second connecting rod 182 is hinged with the mounting plate 17, and the other end of the second connecting rod 182 is hinged with one end of the first connecting rod 181 far away from the sliding rod 16 and is fixedly connected with the clamping arm 183. When the driving mechanism drives the transmission piston 10 to do linear reciprocating motion, the transmission piston 10 drives the sliding rod 16 to do linear reciprocating motion in the first housing 15, and drives the two clamping arms 183 of the massage assembly 18 to approach or separate from each other. When the massage mechanism is applied to the fascial gun, the two clamping arms 183 can simulate the action of manual massage, so as to achieve the effect of massage.

In a further preferred embodiment of the present invention, as shown in fig. 1-4, the sliding bars 21 are respectively disposed on two opposite sides of the outer wall of the sliding rod 16, and the mounting plate 17 is provided with a sliding groove 22 slidably engaged with the sliding bars 21 on the inner wall thereof.

In this embodiment, the sliding bars 21 are respectively disposed on two opposite sides of the outer wall of the sliding rod 16, and the sliding grooves 22 in sliding fit with the sliding bars 21 are disposed on the inner wall of the mounting plate 17, so that the sliding rod 16 can be guided to slide, and the stability of the movement is improved.

Another aspect of the present invention provides a fascia gun, as shown in fig. 1-4, comprising: the driving mechanism is installed in the second casing 23, a plurality of positioning columns 24 matched with the installation sleeve of the driving mechanism are arranged on the inner wall of one side of the second casing 23, and an embedding groove for installing the fixing part of the driving mechanism is arranged on the inner wall of the other side of the second casing 23; a mounting seat 25 connected with one end of the second housing 23, wherein a guide sleeve 26 which is communicated with the inside of the second housing 23 and is slidably assembled with the transmission piston 10 of the driving mechanism is mounted on the mounting seat 25; the massage mechanism is detachably connected with the mounting seat 25; and a handle 27 connected to an outer wall of the second housing 23.

In this embodiment, the fascial gun comprises a second housing 23, a driving mechanism, a positioning post 24, an embedding groove (not shown), a mounting seat 25, a massage mechanism and a handle 27. Specifically, the drive mechanism is mounted inside the second housing 23. A plurality of positioning columns 24 are provided, and the plurality of positioning columns 24 are arranged on the inner wall of one side of the second housing 23 and are matched with the mounting sleeve of the driving mechanism. The caulking groove is arranged on the other side inner wall of the second shell 23 for installing the fixing part of the driving mechanism. The mounting seat 25 is connected with one end of the second casing 23, and a guide sleeve 26 which is communicated with the inside of the second casing 23 and is slidably assembled with the transmission piston 10 of the driving mechanism is mounted on the mounting seat 25. The massage mechanism is fixed on the mounting base 25 through a screw thread or a clamping position or a hoop sleeve or a soft rubber structure, so as to realize detachable connection. A handle 27 is attached to the outer wall of the second housing 23. In one embodiment, the massage mechanism may be a clamp arm 183 as described above, which can perform a function of simulating a human hand massage, and in another embodiment, the massage mechanism may be a conventional knock ball which can perform a knock massage function, as selected by the user.

In a further preferred embodiment of the present invention, as shown in fig. 1-4, the present invention further comprises a control circuit board 28 disposed inside the second housing 23 and electrically connected to the driving motor 1 of the driving mechanism for controlling the rotation speed of the driving motor 1, and a control panel 29 electrically connected to the control circuit board 28 is disposed on the outer wall of the second housing 23 or the outer wall of the handle 27.

In this embodiment, the device further includes a control circuit board 28 disposed inside the second casing 23 and electrically connected to the driving motor 1 of the driving mechanism, for controlling the rotation speed of the driving motor 1, and a control panel 29 disposed on the outer wall of the second casing 23 or the handle 27 and electrically connected to the control circuit board 28 includes buttons for controlling the rotation speed and the on/off of the driving motor 1.

It should be noted that, for the sake of simplicity, the foregoing embodiments are described as a series of combinations of acts, but it should be understood by those skilled in the art that the present invention is not limited by the described order of acts, as some steps may be performed in other orders or simultaneously according to the present invention. Further, those skilled in the art should also appreciate that the embodiments described in the specification are preferred embodiments and that acts and modules referred to are not necessarily required by the invention.

In the embodiments provided in the present application, it should be understood that the disclosed apparatus may be implemented in other manners. For example, the above-described embodiments of the apparatus are merely illustrative, and for example, the above-described division of the units is only one type of division of logical functions, and other divisions may be realized in practice, for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed mutual coupling or communication connection may be an indirect coupling or communication connection between devices or units through some interfaces, and may be in a telecommunication or other form.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

The above embodiments are only used to illustrate the technical solution of the present invention, and do not limit the protection scope of the present invention. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from these embodiments without any inventive step, are within the scope of the present invention. Although the present invention has been described in detail with reference to the above embodiments, those skilled in the art can still make no creative work on the condition of conflict, and make mutual combination, addition and deletion, or other adjustments according to the features in the embodiments of the present invention, thereby obtaining other technical solutions which are different and do not depart from the concept of the present invention, and these technical solutions also belong to the scope to be protected by the present invention.

Claims

1. A drive mechanism, comprising:

a drive motor;

one end face of the first eccentric wheel is fixedly connected with an output shaft of the driving motor, and the other end face of the first eccentric wheel is provided with a first eccentric shaft;

the driving rod is arranged on one side, away from the driving motor, of the first eccentric wheel, and one end of the driving rod is assembled with the first eccentric shaft through a first bearing;

the second eccentric shaft is assembled at one end, far away from the first eccentric shaft, of the driving rod;

the second eccentric wheel is assembled with the second eccentric shaft through a second bearing, and a fixed mounting part is arranged at one end, far away from the second eccentric shaft, of the second eccentric wheel; and

and the transmission piston is pivoted with the driving rod.

2. The drive mechanism as recited in claim 1, wherein the first eccentric has markings on an edge thereof, the first eccentric being configured to conform to the second eccentric, the markings of the first eccentric facing in the same direction as the markings of the second eccentric.

3. The drive mechanism of claim 2, wherein the first eccentric and the second eccentric are disposed on opposite sides of the drive rod.

4. The drive mechanism as recited in claim 1, wherein a mounting base is disposed between the drive motor and the first eccentric for securing the drive motor.

5. A drive mechanism according to claim 4, wherein the outer edge of the mounting base is provided with a plurality of hollow mounting sleeves at circumferentially spaced intervals, the hollow mounting sleeves being provided with rubber rings at each end.

6. A massage mechanism, comprising:

a first housing;

the sliding rod is arranged in the first shell, and the two mounting plates are arranged on two opposite sides of one end face of the first shell; and

a pair of massage components arranged between the two mounting plates, each massage component comprises a first connecting rod, a second connecting rod and a clamping arm, one end of the first connecting rod is hinged with one end of the sliding rod far away from the transmission piston according to any one of claims 1-5, one end of the second connecting rod is hinged with the mounting plate, and the other end of the second connecting rod is hinged with one end of the first connecting rod far away from the sliding rod and fixedly connected with the clamping arm.

7. The massage mechanism of claim 6,

the sliding rod is driven by a driving mechanism to do linear reciprocating motion in the first shell;

8. The massage mechanism as recited in claim 6 or 7, wherein the sliding rod is provided with sliding bars on opposite sides of an outer wall thereof, and the mounting plate is provided with sliding grooves on an inner wall thereof for sliding engagement with the sliding bars.

9. A fascial gun, comprising:

a second housing;

the driving mechanism as claimed in claim 1 is installed in the second casing, a plurality of positioning columns matched with the installation sleeve of the driving mechanism are arranged on the inner wall of one side of the second casing, and an embedding groove for installing the fixing part of the driving mechanism is formed in the inner wall of the other side of the second casing;

and the mounting seat is connected with one end of the second shell, and a guide sleeve which is communicated with the inside of the second shell and is assembled with the transmission piston of the driving mechanism in a sliding manner is arranged on the mounting seat.

10. The fascial gun of claim 9, further comprising a massage mechanism removably coupled to the mount, the massage mechanism comprising:

a first housing;

the sliding rod is arranged in the first shell, one end of the sliding rod is movably assembled with the transmission piston of the driving mechanism, and the driving mechanism drives the sliding rod to do linear reciprocating motion in the first shell;

the two mounting plates are arranged on two opposite sides of one end face of the first shell; and

locate two a pair of massage subassembly between the mounting panel, each massage subassembly all includes head rod, second connecting rod and arm lock, the one end of head rod with the slide bar is kept away from transmission piston one end is articulated, the one end of second connecting rod with the mounting panel is articulated, the other end of second connecting rod with the head rod is kept away from the one end of slide bar is articulated, and with arm lock fixed connection.

11. The fascial gun of claim 10, wherein an assembly cavity is formed at one end of the transmission piston, which is close to the sliding rod, and a rubber sleeve with a diameter larger than the inner diameter of the assembly cavity is sleeved on the outer wall of the sliding rod so as to realize the detachable assembly between the sliding rod and the transmission piston.

12. The fascial gun of claim 10, wherein the sliding rod is provided with sliding strips on two opposite sides of the outer wall, and the mounting plate is provided with sliding grooves on the inner wall for sliding fit with the sliding strips.

13. The fascia gun according to claim 9 or 10, further comprising a handle attached to the second housing outer wall.

14. The fascial gun of claim 13, further comprising a control circuit board disposed inside the second casing and electrically connected to a driving motor of the driving mechanism for controlling a rotation speed of the driving motor, wherein a control panel electrically connected to the control circuit board is disposed on an outer wall of the second casing or the handle.