CN112155985A

CN112155985A - Fascia gun

Info

Publication number: CN112155985A
Application number: CN202010954270.1A
Authority: CN
Inventors: 仇非
Original assignee: Ningbo Feiting Trading Co ltd
Current assignee: Ningbo Feiting Trading Co ltd
Priority date: 2020-09-11
Filing date: 2020-09-11
Publication date: 2021-01-01

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; 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; and 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. The fascia gun disclosed by the invention optimizes the transmission structure and avoids the influence of the vibration amplitude on the appearance of the shell.

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, which adopts the transmission structure of the traditional reciprocating saw, and comprises 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, namely, the driving mechanism and the transmission mechanism of the existing fascia gun adopt a vertical arrangement scheme, when the vibration amplitude of the fascia gun needs to be improved, the radial movement width of the eccentric wheel needs to be increased to ensure that the reciprocating distance of the massage head is increased, and meanwhile, the width of the shell needs to be increased to increase the space for swinging the crank joint bearing retainer, so that the appearance of the shell is difficult to be simplified, and the beauty and the use feeling of the product are greatly reduced.

Disclosure of Invention

The invention aims to provide a fascia gun, which optimizes a transmission structure and avoids the influence of vibration amplitude on the appearance of a shell.

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;

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, the connecting assembly comprises a cam arranged on the driving shaft and a first roller follower arranged at the proximal end of the transmission shaft, an annular groove which changes along an axis track is formed in the cam, and the first roller follower is arranged in the annular groove in a sliding mode.

Preferably, the first roller follower slides along the annular groove for one revolution, and the transmission assembly performs at least one reciprocating motion.

Preferably, the transmission assembly further comprises a guide sleeve sleeved outside the transmission shaft, the guide sleeve is provided with a guide groove, and the transmission shaft is provided with a second roller follower which can slide in the guide groove to limit the transmission shaft to move linearly along the transverse axis.

Preferably, the fascia gun further comprises a massage component, wherein a mounting groove is formed in the distal end face of the transmission shaft, and the massage component is detachably mounted in the mounting groove.

Preferably, the massage component is at least partially exposed out of the first cylindrical hole.

Preferably, the drive assembly includes a motor, and the drive shaft is a power output shaft of the motor.

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 controller and a battery assembly are installed in the second cylindrical hole.

Preferably, the controller is electrically connected with the driving assembly to control the working state of the driving assembly.

Preferably, the battery assembly comprises a charging module and a battery electrically connected with the charging module, and the battery is electrically connected with the driving assembly and the controller respectively to provide electric energy.

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

the fascia gun is characterized in that a connecting component is arranged between a driving component and a transmission component which are arranged in parallel, the rotating motion of the driving component is converted into the reciprocating motion of the transmission component, the transmission structure is optimized, a first roller follower arranged on a transmission shaft is arranged in an annular groove of a cam arranged on the driving shaft in a sliding manner by the connecting component, the first roller follower slides along the annular grooves with different tracks, the reciprocating motion of the transmission shaft is realized, when the vibration amplitude of the fascia gun needs to be improved, the vibration amplitude can be changed by changing the track of the annular groove, at the moment, the reciprocating motion distance of the transmission shaft can be increased by rotating the cam for one circle, the shell is simplified, and the use feeling of a user is improved.

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 perspective view of a fascial gun of the present invention;

FIG. 2 is an exploded view of a fascia gun of the present invention;

FIG. 3 is an internal cross-sectional view of a fascial gun of the present invention;

FIG. 4 is an assembled schematic view of the drive assembly, the connecting assembly and the transmission assembly of the present invention;

FIG. 5 is a schematic structural view of a propeller shaft according to the present invention;

FIG. 6 is a schematic view of the structure of the guide sleeve according to the present invention;

FIG. 7 is a schematic view of the configuration of the annular groove of the cam of the present 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; 191. a top cover; 192. a bottom cover; 193. an end cap; 1931. a shoulder portion; 1932. a housing portion; 1933. avoiding holes; 194. a side cover; 2. a drive assembly; 21. a motor; 22. a drive shaft; 3. a transmission assembly; 31. a drive shaft; 311. a recess; 312. a convex portion; 313. mounting grooves; 32. a guide sleeve; 321. a guide groove; 322. a second roller follower; 4. a connecting assembly; 41. a cam; 411. an annular groove; 42. a first roller follower; 5. a massage assembly; 51. a massage head; 52. a connecting rod; 6. a controller; 7. a battery assembly; 71. a charging module; 72. a battery; 8. 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.

As shown in fig. 1 to 3, 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. The second cylindrical bore 14 is covered at both ends by a top cover 191 and a bottom cover 192, respectively, the top cover 191 and the bottom cover 192 clamping the first housing part 11 and the second housing part 12 together, preferably by means of a rotational snap-fit. An end cover 193 and a side cover 194 are provided on both end surfaces of the first cylindrical hole 18 by engaging or screwing, and preferably, the end cover 193 is provided on the opening of the third housing portion 15, and the side cover 194 is provided on the opening of the fourth housing portion 16. The top cover 191, the bottom cover 192, the end cover 193, and the side covers 194 cover the remaining components except the massage unit 5 in the housing 1.

As shown in fig. 4, the driving assembly 2, the transmission assembly 3 and the connecting assembly 4 disposed between the driving assembly 2 and the transmission assembly 3 are disposed in the first cylindrical hole 18, and the connecting assembly 4 converts the rotary motion of the driving assembly 2 into the reciprocating motion of the transmission assembly 3.

Specifically, the drive assembly 2 includes a motor 21 mounted within the first cylindrical bore 18, a power output shaft of the motor 21 serving as a rotatable drive shaft 22 of the drive assembly 2 to power the fascial gun, the drive shaft 22 being disposed parallel to the transverse axis 17. Preferably, the motor 21 is mounted within the fourth housing portion 16 and is covered by a side cover 194. The side cover 194 is provided with a plurality of through holes for allowing air to pass through, which is beneficial to heat dissipation of the motor 21 in the use process.

As shown in fig. 5 and 6, the transmission assembly 3 includes a transmission shaft 31 installed in the first cylindrical hole 18, the transmission shaft 31 is disposed parallel to the driving shaft 22, the transmission shaft 31 includes a proximal end and a distal end, an end close to the driving assembly 2 is defined as the proximal end, an end far from the driving assembly 2 is defined as the distal end, the proximal end of the transmission shaft 31 is provided with a concave portion 311 for installing the connecting assembly 4, and a portion of the transmission shaft 31 other than the concave portion 311 is defined as a convex portion 312. The convex part 312 is sleeved with a guide sleeve 32, the guide sleeve 32 is provided with a guide groove 321, the convex part 312 is provided with a second roller follower 322 matched with the guide groove 321, and the second roller follower 322 slides in the guide groove 321 to limit the direction of the linear motion of the transmission shaft 31 along the transverse axis. Preferably, the convex portion 312 of the transmission shaft 31 is completely disposed in the third housing portion 15, the end cover 193 is a hollow structure and is sleeved outside the convex portion 312, the end cover 193 includes a shoulder 1931 and a sleeved portion 1932 connected to the shoulder 1931, when the end cover 193 is covered on the opening of the third housing portion 15, the sleeved portion 1932 is located between the third housing portion 15 and the guide sleeve 32, and an avoiding hole 1933 facilitating the movement of the second roller follower 322 is further formed in the sleeved portion 1932; the shoulder 1931 abuts the opening of the third housing portion 15, covering the transmission assembly 3 within the third housing portion 15.

The connecting assembly 4 includes a cam 41 mounted on the driving shaft 22 and a first roller follower 42 mounted in a recess 311 of the driving shaft 31, the cam 41 being slidably connected with the first roller follower 42. Specifically, the cam 41 is provided with an annular groove 411 having a track change along the axial direction, the first roller follower 42 is embedded in the annular groove 411, the first roller follower 42 is made to move along the track of the annular groove 411 by rotating the cam 41, the transmission shaft 31 is driven to move linearly along the track change of the annular groove 411, and the track of the annular groove 411 is preferably designed such that the transmission assembly 3 completes at least one reciprocating motion after the first roller follower 42 slides for one circle along the annular groove 411. In the process of completing at least one reciprocating motion, the inner side wall of at least one side of the annular groove 411 is in contact with the first roller follower 42, so that power is provided for the driving shaft 22 when the driving shaft is pushed out, restoring force is provided for the driving shaft when the driving shaft is retracted, subsequent troubles caused by arranging a spring or pushing back the driving shaft by a human body are eliminated, and the use experience is improved. Further, the amplitude of the reciprocating motion of the transmission shaft 31 is related to the track of the annular groove 411, taking the cam shown in fig. 7 as an example, the track of the annular groove 411 is defined by the distance D from the end surface of the cam 41 at the end far away from the motor 21 to the inner side wall of the annular groove 411, in this view, the minimum distance D1 (the distance from the lowest point of the inner side wall of the annular groove to the end surface of the cam at the end far away from the motor) and the maximum distance D2 (the distance from the highest point of the inner side wall of the annular groove to the end surface of the cam at the end far away from the motor) are provided, and the difference between the maximum distance D2 and the minimum distance D1 is the. The vibration amplitude can be changed by only changing the track of the annular groove 411 on the cam 41, at the moment, the cam 41 still only needs to rotate for one circle to increase the reciprocating distance of the transmission shaft 31 without increasing the space of a shell, so that the swinging space is provided for the eccentric wheel and the crank joint bearing retainer, the motion curve of the transmission rod is optimized, and the shell is greatly simplified.

The fascial gun also comprises a massage component 5 which is directly contacted with a human body, the end surface of the far end of the transmission shaft 31 is provided with a mounting groove 313, the massage component 5 is detachably mounted in the mounting groove 313, and at least part of the massage component 5 is exposed out of the first cylindrical hole 18. Specifically, the massage assembly 5 includes a massage head 51 and a connection rod 52 connected to the massage head 51, the connection rod 52 is installed in the installation slot 313 by screw connection or snap connection, and the massage head 51 is exposed out of the housing 1.

The fascia gun also comprises a controller 6 which is arranged in the second column hole 14 and is used for controlling the starting, the stopping and the function selection of the whole fascia gun, and the controller 6 is electrically connected with the motor 21, and the working state of the whole fascia gun is adjusted mainly by controlling the working state of the motor 21. The controller 6 can be preferably arranged on the top cover 191, and a plurality of through holes capable of exposing the operating keys and the state prompt lamps of the controller 6 are formed in the top cover 191, 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 7 installed in the second cylindrical hole 14, the battery assembly 7 comprises a charging module 71 and a battery 72 electrically connected with the charging module 71, the charging module 71 is connected with an external power supply through a charging wire and charges the battery 72, and the battery 72 is respectively and electrically connected with the motor 21 and the controller 6 to provide electric energy for the operation of the whole fascia gun. Preferably, the charging module 71 can be mounted on the bottom cover 192, 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 8 to improve the stability and comfort of the user holding the fascial gun.

When the fascial gun is used, a user controls the motor 21 to work through the controller 6 to drive the cam 41 to rotate, the first roller follower 42 moves along the track of the annular groove 411 and drives the transmission shaft 31 to linearly move along with the change of the track of the annular groove 411, after the first roller follower 42 slides for a circle along the annular groove 411, the transmission shaft 31 drives the massage head 51 to complete one or more times of reciprocating motion, the cam 41 continuously rotates, so that the massage head 51 continuously reciprocates, and the effect of massaging a 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 drive assembly completes at least one reciprocation as the first roller follower slides one revolution along the annular slot.

3. The fascial gun of claim 1, wherein the transmission assembly further comprises a guide sleeve sleeved on the transmission shaft, the guide sleeve is provided with a guide groove, and the transmission shaft is provided with a second roller follower which can slide in the guide groove to limit the transmission shaft to move linearly along the transverse axis.

4. The fascia gun as recited in claim 1, further comprising a massage assembly, wherein the distal end surface of the transmission shaft defines a mounting slot, and the massage assembly is detachably mounted in the mounting slot.

5. The fascial gun of claim 4, wherein the massage assembly is at least partially exposed outside the first cylindrical aperture.

6. The fascial gun of claim 1, wherein the drive assembly comprises a motor, and the drive shaft is a power take-off shaft of the motor.

7. The fascial gun of claim 1, wherein a second cylindrical hole extending along the longitudinal axis and communicating with the first cylindrical hole is further formed in the housing, and a controller and a battery assembly are installed in the second cylindrical hole.

8. The fascial gun of claim 7, wherein the controller is electrically connected to the drive assembly to control an operating state of the drive assembly.

9. The fascial gun of claim 7, wherein the battery assembly comprises a charging module and a battery electrically connected to the charging module, the battery being electrically connected to the drive assembly and the controller, respectively, to provide electrical power.