CN112263460A

CN112263460A - Fascia gun

Info

Publication number: CN112263460A
Application number: CN202011256463.6A
Authority: CN
Inventors: 仇非
Original assignee: Ningbo Feiting Trading Co ltd
Current assignee: Ningbo Feiting Trading Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-01-26
Also published as: WO2022099943A1

Abstract

The invention discloses a fascia gun, which comprises: the device comprises a shell, a first connecting piece and a second connecting piece, wherein a first cylindrical hole extending along a transverse axis is formed in the shell; the driving assembly is arranged in the first cylindrical hole and comprises a rotatable driving shaft, and the driving shaft is arranged in parallel with the transverse axis; the transmission assembly is arranged in the first cylindrical hole and comprises a transmission shaft, and the transmission shaft and the driving shaft are arranged in parallel; the connecting assembly is arranged between the driving shaft and the transmission shaft and converts the rotary motion of the driving assembly into the reciprocating motion of the transmission assembly, and the connecting assembly comprises an eccentric wheel arranged on the driving shaft, a swing rod rotatably connected to the shell, a double-rotational-freedom connecting rod connected between one end of the swing rod and the eccentric wheel and a connecting rod rotatably connected between the other end of the swing rod and the transmission shaft. The fascia gun disclosed by the invention is stable and reliable in transmission structure, and ensures the product performance and the service life.

Description

Fascia gun

Technical Field

The invention relates to the technical field of massage equipment, in particular to a fascia gun.

Background

The fascial gun is a massage device for relaxing muscles used by people after sports, and the structure of the fascial gun generally comprises a transverse shell and a longitudinal handle, wherein the front end of the shell is provided with a massage head which can vibrate back and forth. When the massager is used, the massage head is pressed at the muscle to vibrate the muscle, the muscle adhesion is broken through the accurate, high-frequency and deep vibration of the massage head, the muscle is heated, cells are activated, and the blood circulation is smoother, so that the muscle is accelerated to recover, the lactic acid is reduced, and the effects of relaxing the muscles and stimulating the blood circulation are achieved.

The existing fascia gun structure is shown in patent publication No. CN110179646A, and adopts the transmission structure of the traditional reciprocating saw, which includes a motor connected to an eccentric wheel, a crank joint bearing retainer hinged with the eccentric wheel, a piston hinged at the front end of the crank joint bearing retainer, the piston is limited on a shell, and a massage head connected with the piston.

Disclosure of Invention

The invention aims to provide a fascia gun which is stable and reliable in transmission structure and ensures product performance and service life.

In order to solve the technical problems, the technical scheme of the invention is as follows:

a fascial gun, comprising:

the device comprises a shell, a first connecting piece and a second connecting piece, wherein a first cylindrical hole extending along a transverse axis is formed in the shell;

a drive assembly disposed within the first cylindrical bore, the drive assembly including a rotatable drive shaft disposed parallel to the transverse axis;

the transmission assembly is arranged in the first cylindrical hole and comprises a transmission shaft, and the transmission shaft and the driving shaft are arranged in parallel;

coupling assembling, coupling assembling sets up between drive shaft and the transmission shaft, will drive assembly's rotary motion turns into drive assembly's reciprocating motion, coupling assembling is including installing epaxial eccentric wheel of drive, rotate to be connected pendulum rod, connection on the casing pendulum rod one end with two rotational degrees of freedom connecting rods between the eccentric wheel and rotate to be connected the pendulum rod other end with connecting rod between the transmission shaft.

Preferably, the double-rotational-freedom connecting rod comprises a first part and a second part connected with the first part, the first part is rotationally connected with one end of the swing rod, and the second part is connected with the eccentric wheel.

Preferably, the first part is formed integrally with a second part, which is rotatably connected to the eccentric.

Preferably, the first part is provided with a first ball joint bearing, one end of the swing rod is arranged in the first ball joint bearing, the second part is provided with a second ball joint bearing, and the eccentric shaft of the eccentric wheel is arranged in the second ball joint bearing.

Preferably, the first part is rotationally connected to a second part, which is fixedly connected to the eccentric.

Preferably, the first part is provided with a first ball joint bearing, one end of the swing rod is arranged in the first ball joint bearing, the second part is provided with a bearing, and the eccentric shaft of the eccentric wheel is arranged in the bearing.

Preferably, the connecting assembly further comprises a bracket fixed in the housing, and the swing rod is rotatably connected with the bracket.

Preferably, the fascia gun further comprises a massage component, wherein an installation groove is formed in the end face of the transmission shaft, and the massage component is detachably installed in the installation groove.

Preferably, a controller electrically connected with the driving assembly to control the working state of the driving assembly is further installed in the first cylindrical hole.

Preferably, a second cylindrical hole which extends along the longitudinal axis and is communicated with the first cylindrical hole is formed in the shell, and a battery assembly which is electrically connected with the driving assembly and the controller to provide electric energy is installed in the second cylindrical hole.

Compared with the prior art, the invention has the following advantages:

the fascia gun comprises a driving component, a transmission component and a connecting component, wherein the driving component and the transmission component are arranged in parallel, the connecting component is arranged between the driving component and the transmission component and converts the rotating motion of the driving component into the reciprocating motion of the transmission component, the connecting component adopts an eccentric wheel, a swing rod rotatably connected to a shell, a double-rotational-freedom connecting rod connected between one end of the swing rod and the eccentric wheel and a connecting rod rotatably connected between the other end of the swing rod and a transmission shaft, the reciprocating motion of the transmission shaft is realized through the rotation of the eccentric wheel, the swing of the double-rotational-freedom connecting rod, the rotation of the swing rod and the rotation of the connecting rod in a rotating and swinging matching mode, the rotating motion is converted into the reciprocating motion by the rotation and swinging matching of mechanical parts, the fascia gun replaces an.

Drawings

The drawings described herein are for illustration purposes only and are not intended to limit the scope of the present disclosure in any way. In addition, the shapes, the proportional sizes, and the like of the respective members in the drawings are merely schematic for facilitating the understanding of the present invention, and do not specifically limit the shapes, the proportional sizes, and the like of the respective members of the present invention. Those skilled in the art, having the benefit of the teachings of this invention, may choose from the various possible shapes and proportional sizes to implement the invention as a matter of case. In the drawings:

FIG. 1 is a schematic view of a fascial gun of the present invention;

FIG. 2 is an exploded view of a fascia gun according to an embodiment of the invention;

FIG. 3 is a cross-sectional view of a fascia gun according to an embodiment of the invention;

FIG. 4 is a schematic structural diagram of a driving assembly, a connecting assembly and a transmission assembly according to a first embodiment of the present invention;

fig. 5 is a schematic structural diagram of a driving assembly, a connecting assembly and a transmission assembly in the second embodiment of the invention.

Shown in the figure: 1. a housing; 11. a first housing portion; 12. a second housing portion; 13. a longitudinal axis; 14. a second cylindrical hole; 15. a third housing portion; 16. a fourth housing portion; 17. a transverse axis; 18. a first cylindrical bore; 21. a bottom cover; 22. an end cap; 221. a shoulder portion; 222. a guide portion; 23. a side cover; 31. a motor; 32. a drive shaft; 41. a drive shaft; 411. a first embedding part; 412. mounting grooves; 51. an eccentric wheel; 52. a swing rod; 521. a second embedding part; 53. a dual rotational degree of freedom link; 531. a first portion; 532. a second portion; 533. a first ball joint bearing; 534. a second ball joint bearing; 535. a first rotating shaft; 536. a bearing; 54. a connecting rod; 55. a bracket; 56. a second rotating shaft; 6. a massage assembly; 61. a massage head; 62. a connecting rod; 7. a controller; 8. a battery assembly; 81. a charging module; 82. a battery; 9. and (4) soft rubber sleeves.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, shall fall within the scope of protection of the present invention.

It will be understood that when an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a single embodiment.

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 invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.

The first embodiment is as follows:

as shown in fig. 1 to 4, the fascial gun according to a preferred embodiment of the invention comprises a housing 1, the housing 1 comprising a first housing portion 11 and a second housing portion 12, the first housing portion 11 and the second housing portion 12 being spliced to form an enclosure with a second cylindrical aperture 14 extending around a longitudinal axis 13. The first housing part 11 extends outwardly with a third housing part 15, the second housing part 12 extends outwardly with a fourth housing part 16, the centre axis of the third housing part 15 being arranged parallel to the centre axis of the fourth housing part 16 to form a housing for a first cylindrical bore 18 extending around a transverse axis 17, the first cylindrical bore 18 and the second cylindrical bore 14 communicating with each other. One end face of the second cylindrical hole 14 is spliced and covered by the first shell part 11 and the second shell part 12, the other end face is covered by a bottom cover 21, and the bottom cover 21 tightly clamps the first shell part 11 and the second shell part 12 together preferably through a rotating clamping mode. An end cap 22 and a side cap 23 are respectively provided on both end surfaces of the first cylindrical hole 18 by means of engagement or screwing, and preferably, the end cap 22 is provided on the opening of the third housing portion 15, and the side cap 23 is provided on the opening of the fourth housing portion 16. The bottom cover 21, the end cover 22, and the side covers 23 cover the remaining components except the massage component 6 in the housing 1.

A driving assembly, a transmission assembly and a connecting assembly arranged between the driving assembly and the transmission assembly are arranged in the first cylindrical hole 18, and the connecting assembly converts the rotary motion of the driving assembly into the reciprocating motion of the transmission assembly.

Specifically, the drive assembly includes a motor 31 mounted within the first cylindrical bore 18, a power output shaft of the motor 31 serving as a rotatable drive shaft 32 of the drive assembly to power the fascial gun, the drive shaft 32 being disposed parallel to the transverse axis 17. Preferably, the motor 31 is mounted within the fourth housing portion 16 and is covered by the side cover 23.

The transmission assembly comprises a transmission shaft 41 installed in the first cylindrical hole 18, the transmission shaft 41 is arranged in parallel with the driving shaft 32, the transmission shaft 41 comprises a near end and a far end, one end of the transmission shaft 41 close to the driving assembly is defined as the near end, one end of the transmission shaft far away from the driving assembly is defined as the far end, the near end of the transmission shaft 41 is provided with a first embedding part 411 used for installing the connection assembly, and the far end face of the transmission shaft 41 is provided with an installation groove 412 used for installing the massage assembly 6. Preferably, the transmission shaft 41 is completely disposed in the third housing portion 15, the end cap 22 is hollow and is sleeved outside the transmission shaft 41 to guide the movement of the transmission shaft 41, the end cap 22 includes a shoulder 221 and a guide portion 222 connected to the shoulder 221, when the end cap 22 is covered on the opening of the third housing portion 15, the guide portion 222 is disposed between the third housing portion 15 and the transmission shaft 41 and is fixedly connected to the housing 1 through a thread, and the transmission shaft 41 reciprocates in the guide portion 222. The shoulder 221 abuts the opening of the third housing portion 15 to enclose the drive assembly within the third housing portion 15.

The connecting assembly comprises an eccentric 51 mounted on the drive shaft 32, a rocker 52 rotatably connected to the housing 1, a dual rotational degree of freedom connecting rod 53 connected between one end of the rocker 52 and the eccentric 51, and a connecting rod 54 rotatably connected between the other end of the rocker 52 and the drive shaft 41. The driving shaft 32 rotates to drive the eccentric wheel 51 to rotate, so as to drive the dual rotational freedom connecting rod 53 to move up and down and swing back and forth, and the moving dual rotational freedom connecting rod 53 drives the oscillating rod 52 to rotate around the shaft, so as to drive the connecting rod 54 to move and drive the transmission shaft 41 to reciprocate.

The dual rotational degree of freedom link 53 includes a first portion 531 and a second portion 532 coupled to the first portion 531, the first portion 531 being rotatably coupled to one end of the rocker 52, and the second portion 532 being coupled to the eccentric 51. In this embodiment, as shown in fig. 4, the first portion 531 is integrally formed with the second portion 532, and the second portion 532 is rotatably connected to the eccentric 51. Specifically, one end of the swing link 52 is approximately perpendicular to the first portion 531, the first portion 531 is provided with a first ball joint bearing 533, one end of the swing link 52 is installed in the first ball joint bearing 533, the eccentric wheel 51 is approximately perpendicular to the second portion 532, the second portion 532 is provided with a second ball joint bearing 534, an eccentric shaft of the eccentric wheel 51 is installed in the second ball joint bearing 534, and the eccentric wheel 51, the double-rotational-freedom connecting rod 53 and one end of the swing link 52 are connected to form an inverse Z-shaped structure. The double-rotational-freedom connecting rod 53 moves up and down under the driving of the eccentric wheel 51 and swings back and forth through the cooperation of the first ball joint bearing 533 and the second ball joint bearing 534, and in the process that the eccentric shaft of the eccentric wheel 51 moves from the lowest end to the highest end or from the highest end to the lowest end, the double-rotational-freedom connecting rod 53 overcomes the transverse movement of the eccentric shaft through the back and forth swinging, so that the swinging rod 52 is ensured to only rotate around the shaft.

The connecting assembly further comprises a bracket 55 fixed in the shell 1 through threaded connection, the swing rod 52 is partially embedded in the bracket 55 and fixedly arranged through a second rotating shaft 56 in a penetrating manner, the swing rod 52 can rotate around the second rotating shaft 56, the second rotating shaft 56 penetrates through the middle of the swing rod 52, the preferred swing rod 52 is designed to be L-shaped, the connecting rod 54 is connected to the higher end of the swing rod 52, the double-rotation-freedom-degree connecting rod 53 is connected to the lower end of the swing rod 52, and the second rotating shaft 56 penetrates through the bent part of the swing rod 52. One end of the connecting rod 54 is embedded in the first embedding portion 411 of the transmission shaft 41 and fixed through the rotation shaft, the other end of the connecting rod 54 is embedded in the second embedding portion 521 arranged at the other end of the swing rod 52 and fixed through the rotation shaft, and both ends of the connecting rod 54 can rotate around the rotation shaft.

The fascial gun also comprises a massage component 6 which is directly contacted with the human body, the massage component 6 is detachably arranged in the mounting groove 412, and the massage component 6 is at least partially exposed out of the first cylindrical hole 18. Specifically, the massage assembly 6 includes a massage head 61 and a connecting rod 62 connected to the massage head 61, the connecting rod 62 is installed in the installation groove 412 by a screw connection or a snap connection, and the massage head 61 is exposed out of the housing 1.

The fascia gun also comprises a controller 7 which is arranged in the first cylindrical hole 18 and is used for controlling the starting, the stopping and the function selection of the whole fascia gun, the controller 7 is electrically connected with the motor 31, and the working state of the whole fascia gun is adjusted mainly by controlling the working state of the motor 31. Preferably, the controller 7 can be mounted on the side cover 23, and a plurality of through holes capable of exposing the operating keys and the state prompt lamps of the controller 7 are formed in the side cover 23, so that the operation and the reminding are convenient, and the use feeling of the product is improved.

The fascia gun further comprises a battery assembly 8 installed in the second cylindrical hole 14, the battery assembly 8 comprises a charging module 81 and a battery 82 electrically connected with the charging module 81, the charging module 81 is connected with an external power supply through a charging wire and charges the battery 82, and the battery 82 is respectively electrically connected with the motor 31 and the controller 7 to provide electric energy for the operation of the whole fascia gun. The charging module 81 can be preferably installed on the bottom cover 21, so that the fixing is convenient, and meanwhile, the connection with a charging wire is also convenient.

In this embodiment, it is also preferable to coat the second housing portion 12 below the fourth housing portion 16 and the first housing portion 11 below the third housing portion 15 with a soft rubber sleeve 9 to improve the stability and comfort of the user holding the fascial gun.

When the fascial gun in the embodiment is used, a user controls the motor 31 to start working through the controller 7 to drive the eccentric wheel 51 to rotate, the double-rotational-freedom-degree connecting rod 53 moves up and down under the driving of the eccentric wheel 51 and swings back and forth through the cooperation of the first ball joint bearing 533 and the second ball joint bearing 534, and the up-and-down movement of the double-rotational-freedom-degree connecting rod 53 drives the swing rod 52 to rotate back and forth around the second rotating shaft 56, so that the connecting rod 54 is driven to slightly rotate and the transmission shaft 41 is driven to do linear reciprocating motion under the guiding action of the end cover 22. When the eccentric wheel rotates for a circle, the transmission shaft 41 drives the massage head 61 to complete a reciprocating motion, and the motor 31 continues to work, so that the massage head 61 continues to do reciprocating motion, and the effect of massaging the human body is achieved.

Example two:

in the present embodiment, as shown in fig. 5, the first portion 531 is rotatably connected to the second portion 532, and the second portion 532 is fixedly connected to the eccentric 51. Specifically, the first portion 531 is partially embedded in the second portion 532 and fixed by the first rotation shaft 535, and the first portion 531 can rotate around the first rotation shaft 535. One end of the swing link 52 is approximately vertically arranged with the first part 531, the first part 531 is provided with a first ball joint bearing 533, one end of the swing link 52 is arranged in the first ball joint bearing 533, the eccentric wheel 51 is approximately vertically arranged with the second part 532, the second part 532 is provided with a bearing 536, the eccentric shaft of the eccentric wheel 51 is arranged in the bearing 536, and the eccentric wheel 51, the double-rotational-freedom connecting rod 53 and one end of the swing link 52 are connected to form an inverse Z shape. The second part 532 of the double-rotational-freedom connecting rod 53 moves along the motion trail of the eccentric shaft under the driving of the eccentric wheel 51, the first part 531 moves up and down under the driving of the second part 532, and swings back and forth and slightly rotates through the cooperation of the first ball joint bearing 533 and the first rotating shaft 535, in the process that the eccentric shaft of the eccentric wheel 51 moves from the lowest end to the highest end or moves from the highest end to the lowest end, the first part 531 overcomes the transverse movement of the eccentric shaft through swinging back and forth and rotating, and therefore the swing rod 52 is ensured to only rotate around the shaft. The rest of the structure is the same as the first embodiment

When the fascial gun in the embodiment is used, a user controls the motor 31 to work through the controller 7 to drive the eccentric wheel 51 to rotate, the double-rotational-freedom-degree connecting rod 53 moves up and down under the driving of the eccentric wheel 51, the first part 531 swings back and forth and slightly rotates through the cooperation of the first ball joint bearing 533 and the first rotating shaft 535, and the up and down movement of the double-rotational-freedom-degree connecting rod 53 drives the swinging rod 52 to rotate back and forth around the second rotating shaft 56, so that the connecting rod 54 is driven to slightly rotate and the transmission shaft 41 is driven to do linear reciprocating motion under the guiding action of the end cover 22. When the eccentric wheel rotates for a circle, the transmission shaft 41 drives the massage head 61 to complete a reciprocating motion, and the motor 31 continues to work, so that the massage head 61 continues to do reciprocating motion, and the effect of massaging the human body is achieved.

It is to be understood that the above description is intended to be illustrative, and not restrictive. Many embodiments and many applications other than the examples provided would be apparent to those of skill in the art upon reading the above description. The scope of the present teachings should, therefore, be determined not with reference to the above description, but should instead be determined with reference to the appended claims, along with the full scope of equivalents to which such claims are entitled. The disclosures of all articles and references, including patent applications and publications, are hereby incorporated by reference for all purposes. The omission in the foregoing claims of any aspect of subject matter that is disclosed herein is not intended to forego such subject matter, nor should the applicant consider that such subject matter is not considered part of the disclosed subject matter.

Claims

1. A fascial gun, comprising:

2. The fascial gun of claim 1, wherein the dual rotational degree of freedom linkage comprises a first portion rotatably coupled to one end of the swing link and a second portion coupled to the eccentric.

3. The fascial gun of claim 2, wherein the first portion is integrally formed with a second portion, the second portion being rotatably coupled to the eccentric.

4. The fascial gun of claim 3, wherein the first portion is mounted with a first ball joint bearing, the swing link is mounted with one end in the first ball joint bearing, the second portion is mounted with a second ball joint bearing, and the eccentric shaft of the eccentric is mounted in the second ball joint bearing.

5. The fascial gun of claim 2, wherein the first portion is rotatably coupled to a second portion, and wherein the second portion is fixedly coupled to the eccentric.

6. The fascial gun of claim 5, wherein the first portion is mounted with a first ball joint bearing, the swing link is mounted with one end in the first ball joint bearing, the second portion is mounted with a bearing, and the eccentric shaft of the eccentric wheel is mounted in the bearing.

7. The fascial gun of claim 1, wherein the coupling assembly further comprises a bracket secured within the housing, and wherein the swing link is pivotally coupled to the bracket.

8. The fascia gun as recited in claim 1, further comprising a massage assembly, wherein the end surface of the transmission shaft is provided with a mounting groove, and the massage assembly is detachably mounted in the mounting groove.

9. The fascial gun of claim 1, wherein a controller electrically connected with the driving assembly for controlling the working state of the driving assembly is further installed in the first cylindrical hole.

10. The fascia gun as claimed in claim 8, wherein a second cylindrical hole is further defined in the housing, the second cylindrical hole extending along the longitudinal axis and communicating with the first cylindrical hole, and a battery module electrically connected to the driving module and the controller for supplying electric energy is installed in the second cylindrical hole.