CN218220585U - Double-end fascia rifle - Google Patents

Abstract

The utility model relates to a double-end manadesma rifle, include: a housing; a drive assembly located within the housing; the transmission assembly is in transmission connection with the driving assembly and is positioned in the shell; the double-massage head assembly is in transmission connection with the transmission assembly and comprises a first massage head and a second massage head which are vertically arranged, and the first massage head and the second massage head alternately reciprocate under the action of the transmission assembly. The double-end fascia rifle that provides among the above-mentioned technical scheme sets up first massage head and the second massage head of arranging from top to bottom to make first massage head and second massage head make reciprocating motion in turn through drive assembly and drive assembly, promote massage efficiency, utilize drive assembly's operation efficiency maximize, and change into effectual massage output, just can reach the massage effect of traditional fascia rifle with half the time.

Description

Double-end fascia rifle

Technical Field

The utility model relates to a massage equipment field especially relates to a double-end manadesma rifle.

Background

The fascia gun is a good tool for assisting stretching recovery after exercise, and can be used by professional athletes and amateur fitness people. The operating principle of the fascia gun is that the fascia gun can massage large muscle groups by external physical vibration, relax the fascia, reduce the pain and make the training more effective.

The head of the traditional fascia gun is mostly a single-head massage head, and the fascia gun needs to be moved continuously if large-area massage is needed; if the stimulation area is too small, a high simulation level cannot be achieved.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model lies in overcoming the defect among the prior art to provide a double-end manadesma rifle.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a double-headed fascia gun, comprising:

a housing;

a drive assembly located within the housing;

the transmission assembly is in transmission connection with the driving assembly and is positioned in the shell;

the double-massage head assembly is in transmission connection with the transmission assembly and comprises a first massage head and a second massage head which are vertically arranged, and the first massage head and the second massage head alternately reciprocate under the action of the transmission assembly.

Preferably, the housing has a first cavity opened along a transverse axis, the driving assembly is at least partially located in the first cavity, and the setting direction is perpendicular to the transverse axis; alternatively, the direction of arrangement is parallel to the transverse axis;

the driving assembly is installed at one end of the mounting rack, and the transmission assembly is installed at the other end of the mounting rack.

Preferably, the mounting frame is of a flat plate structure; or the mounting frame comprises a first part, a second part and a connecting part for connecting the first part and the second part, the first part and the second part are distributed in a staggered manner, a space is arranged below or above the second part, the driving assembly is positioned in the space and is upwards or downwards fixed below or above the second part, and at least part of the transmission assembly is positioned on the first part; the first portion has a support column, and the transmission assembly is connected with the support column rotation.

Preferably, the transmission assembly comprises an eccentric part, a main connecting rod, an upper auxiliary connecting rod, a lower auxiliary connecting rod and a conversion connecting rod, the eccentric part is arranged on an output shaft of the driving assembly, one end of the main connecting rod is rotatably connected with the eccentric part, the other end of the main connecting rod is rotatably connected with the upper auxiliary connecting rod, the conversion connecting rod is rotatably connected with the mounting frame, and two ends of the conversion connecting rod are respectively connected with the upper auxiliary connecting rod and the lower auxiliary connecting rod; the upper auxiliary connecting rod is connected with the first massage head, and the lower auxiliary connecting rod is connected with the second massage head.

Preferably, the double massage head assembly further comprises a first piston and a second piston, the first massage head is in transmission connection with the upper auxiliary connecting rod through the first piston, and the upper auxiliary connecting rod is in rotary connection with the first piston; the second massage head is in transmission connection with the upper auxiliary connecting rod through the second piston, and the upper auxiliary connecting rod is in rotary connection with the second piston.

Preferably, the housing comprises an upper piston hole and a lower piston hole, the upper piston hole corresponds to the first piston, and the first piston reciprocates in the upper piston hole under the action of the transmission assembly; the lower piston hole corresponds to the second piston, and the second piston reciprocates in the lower piston hole under the action of the transmission assembly.

Preferably, the conversion connecting rod includes three stiff end, first stiff end with go up vice connecting rod and rotate and connect, the second stiff end with casing or mounting bracket rotate and connect, the third stiff end with vice connecting rod rotates down and connects.

Preferably, the housing further comprises a handle having a second cavity at an angle to the transverse axis, the second cavity having a battery assembly therein, the battery assembly comprising a battery and a battery wafer, the battery wafer being positioned above the battery;

the charging assembly comprises a battery circuit board, a charging head and a charging switch, the battery assembly is electrically connected with the battery circuit board, the driving assembly is electrically connected with the battery circuit board, and the battery circuit board comprises a charging circuit and a battery management circuit;

the charging assembly is located at the rear end of the shell or at the lower end of the handle of the shell.

Preferably, the housing has a heat dissipation hole at a position corresponding to the driving assembly.

Preferably, the double-headed fascia gun further comprises a display assembly and an operating assembly, wherein the display assembly comprises a display piece and a display circuit board; the operating assembly comprises an operating piece and a main control board;

the display assembly is positioned on the rear cover of the shell or on the side surface of the main body of the shell or on the top surface of the hump of the shell or on the side surface of the handle of the shell or on the bottom of the handle of the shell;

the operating assembly is positioned on the rear cover of the shell or positioned on the side surface of the main body of the shell or positioned on the hump top surface of the shell or positioned on the side surface of the handle of the shell or positioned at the bottom of the handle of the shell.

Compared with the prior art, the beneficial effects of the utility model reside in that:

according to the double-head fascia gun provided by the technical scheme, the first massage heads and the second massage heads which are vertically arranged are arranged, and the first massage heads and the second massage heads alternately reciprocate through the driving assembly and the transmission assembly, so that the massage efficiency is improved, the running efficacy of the driving assembly is maximally utilized and converted into effective massage output, and the massage effect of the traditional fascia gun can be achieved within half of the time, or the massage effect is twice as long as that of the traditional fascia gun within the same using time; the design of two massage heads has increaseed the amazing muscle area of massage, the vibrations muscle in turn of double-end, two fist massages of anthropomorphic dummy, and the massage mode accords with ergonomic more for massage effect promotes, lets the user have better use to experience, can effectively satisfy the higher user demand of user.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the technical solutions in the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a double-headed fascia gun provided in an embodiment of the present invention.

Fig. 2 is a schematic cross-sectional view of the double-headed fascial gun of fig. 1.

Fig. 3 is a schematic diagram of an exploded structure of the double-headed fascia gun shown in fig. 1.

Description of reference numerals:

10. a housing; 11. a first cavity; 111. a positioning column; 112. an upper piston bore; 113. a lower piston hole; 12. a handle; 13. a second cavity; 14. a transverse axis; 15. a mounting frame; 151. a shock pad; 152. a first part; 153. a second section; 154. a connecting portion; 155. a support column; 16. a main body; 17. heat dissipation holes; 18. a bottom cover; 181. a charging mounting post; 182. fastening holes; 183. a charging hole; 184. a switch gap; 20. a drive assembly; 21. a drive motor; 22. an output shaft; 30. a transmission assembly; 31. an eccentric member; 311. connecting columns; 32. a main link; 321. a third bearing; 322. a third bearing mounting hole; 33. an upper auxiliary connecting rod; 331. a first connecting column; 34. a lower auxiliary connecting rod; 341. a second connecting column; 35. a conversion connecting rod; 351. a first fixed end; 352. a second fixed end; 353. a third fixed end; 3531. a second bearing; 3532. a second bearing mounting hole; 40. a dual massage head assembly; 41. a first massage head; 42. a second massage head; 43. a first piston; 44. a second piston; 50. a battery assembly; 51. a battery; 52. pressing the battery into a sheet; 521. a notch; 53. a charging assembly; 531. a battery circuit board; 532. a charging head; 533. and a charging switch.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as a specific case by those skilled in the art.

As shown in fig. 1 to 3, the embodiment of the present invention provides a double-headed fascia gun, which includes a housing 10, a driving assembly 20, a transmission assembly 30, and a double-massaging head assembly 40. The drive assembly 20 and the transmission assembly 30 are located within the housing 10.

Specifically, the housing 10 has a first cavity 11 opening along a transverse axis 14, defining an end of the housing 10 for disposing the dual massage head assembly 40 as a front end and an end away from the dual massage head assembly 40 as a rear end. The transmission assembly 30 and the driving assembly 20 are both positioned in the first cavity 11, the driving assembly 20 is arranged at the rear end of the first cavity 11, and the axis of the output shaft 22 of the driving assembly 20 is parallel to, collinear with or perpendicular to the transverse axis 14; the transmission assembly 30 is positioned between the driving assembly 20 and the dual massage head assembly 40, and transmits the rotational motion of the driving assembly 20 to the dual massage head assembly 40, and the first massage head 41 and the second massage head 42 are alternately reciprocated by the transmission assembly 30.

Still be equipped with mounting bracket 15 in the first cavity 11, mounting bracket 15 and casing 10 fixed connection, drive assembly 30 and drive assembly 20 are all installed on mounting bracket 15, have reduced the vibration error, have guaranteed drive assembly 30 and drive assembly 20's stability. Preferably, four corners of the mounting frame 15 are fixedly connected with the inside of the casing 10 through the shock-absorbing pads 151, the shock-absorbing pads 151 are of a hollow structure, the inside of the casing 10 is provided with the positioning column 111, the end portion of the positioning column 111 is provided with a threaded hole, the fastening piece penetrates through the hollow shock-absorbing pads 151 and is fixedly connected with the positioning column 111 to fix the mounting frame 15 inside the casing 10, and the shock-absorbing pads 151 reduce the vibration transmitted to the casing 10 by the transmission assembly 30 and the driving assembly 20.

Preferably, the shock pad 151 is a hollow structure made of soft material and having two ends expanded, the hollow area inside the shock pad can be used for being connected and fixed with the housing positioning column 111, the inner surfaces of the two ends expanded areas are used for being abutted against the upper and lower surfaces of the mounting frame 15, the thickness of the connecting area between the expanded areas depends on the distance between the inner surfaces of the two sides expanded areas, and preferably, the thickness of the connecting area is equal to or slightly greater than that of the mounting frame, so that the shock pad 151 can be more firmly connected with the mounting frame 15. The positioning column 111 is arranged inside the housing 10, the positioning column 111 is adapted to the central control area inside the shock absorption pad 151, preferably, the positioning column 111 can be a cylinder, the hollow area of the corresponding shock absorption sleeve 151 is also a cylinder structure, and the outer diameter of the positioning column 111 is slightly smaller than the inner diameter of the shock absorption sleeve 151, so as to enhance the connection friction force between the two. After the positioning post 111 is sleeved in the hollow area of the shock pad 15, the positioning post 111 and the shock pad 151 are fixed by a fastener or a combination of the fastener and a gasket or by using a crimping mode of the upper shell, so that the mounting frame 15 and the shell 10 are fixed.

In some embodiments, the mounting frame 15 is a flat plate structure, the height of the output shaft 22 of the driving assembly 20 is the same as the height of the transmission assembly 30, the driving assembly 20 includes a driving motor 21, and the axis of the output shaft 22 of the driving motor 21 is perpendicular to the transverse axis 14, and is arranged upwards or downwards.

In other embodiments, the mounting frame 15 includes a second portion 152, a first portion 153, and a connecting portion 154 connecting the second portion 152 and the first portion 153, the second portion 152 and the first portion 153 are distributed in staggered layers, and a space is provided below or above the second portion 152, and the driving assembly 20 is located in the space.

Specifically, as shown in fig. 3, the mounting frame 15 is in an inverted "Z" shape, the second portion 152 is located at the upper side, a space is provided below the second portion 152, the driving assembly 20 is fixed upward below the second portion 152, and the transmission assembly 30 is at least partially located on the first portion 153; the driving assembly 20 includes a driving motor 21, and the output shaft 22 of the driving motor 21 passes through the second portion 152 upward to be connected with the transmission assembly 30 in a transmission manner.

In addition, the mounting bracket is Z-shaped, the second part is located the downside, the top of second portion has the space, drive assembly is fixed in the top of second portion downwards, drive assembly is at least partly located the below of first portion, drive assembly includes driving motor, driving motor's output shaft passes second portion downwards, is connected with the transmission assembly transmission.

Preferably, as shown in fig. 1, the casing 10 has heat dissipation holes 17 at positions corresponding to the driving assembly 20, so as to facilitate heat dissipation of the driving motor 21, and avoid the fascia gun from being overheated to affect normal operation of the fascia gun.

As shown in fig. 3, one end of the transmission assembly 30 is connected to the driving assembly 20, and the other end is in transmission connection with the double-massage head assembly 40, the transmission assembly 30 includes an eccentric member 31, a main connecting rod 32, an upper auxiliary connecting rod 33, a lower auxiliary connecting rod 34 and a conversion connecting rod 35, the eccentric member 31 is disposed on the output shaft 22 of the driving assembly 20, one end of the main connecting rod 32 is rotatably connected to the eccentric member 31, the other end is rotatably connected to the upper auxiliary connecting rod 33, the conversion connecting rod 35 is rotatably connected to the mounting frame 15, and both ends are respectively connected to the upper auxiliary connecting rod 33 and the lower auxiliary connecting rod 34; the upper sub link 33 is connected to the first massage head 41, and the lower sub link 34 is connected to the second massage head 42.

The switching link 35 includes three side-by-side fixed ends, a first fixed end 351 rotatably connected to the upper sub link 33, a second fixed end 352 rotatably connected to the housing 10 or the mounting bracket 15, and a third fixed end 353 rotatably connected to the lower sub link 34. Specifically, mounting holes with bearings are arranged at two ends of the conversion connecting rod 35, namely a first bearing and a first bearing mounting hole, and a second bearing 3531 and a second bearing mounting hole 3532; the end of the main link 32 close to the upper auxiliary link 33 is provided with a third bearing mounting hole 322 with a third bearing 321, the upper and lower surfaces of the end of the upper auxiliary link 33 far from the double massage head assembly 40 are provided with first connecting columns 331, and the two first connecting columns 331 can be concentrically arranged or non-concentrically arranged.

The first connecting column can be arranged in various ways, such as: the first connecting column 331 is located at one end of the main link close to the upper secondary link 33 and extends toward the upper secondary link 33 and penetrates the upper secondary link 33 and the converting link 35, or the first connecting column 331 is located at one end of the converting link 35 close to the upper secondary link 33 and extends toward the upper secondary link 33 and penetrates the upper secondary link 33 and the main link 32; or, the first connecting column 331 located on the lower surface is rotatably connected with the first bearing, and the first connecting column 331 located on the upper surface is rotatably connected with the third bearing 321; the outer surface of the first connecting column 331 abuts against the inner surfaces of the first bearing and the third bearing 321, and the first connecting column 331 may be a solid cylinder or a hollow cylinder. Preferably, when the first connecting post 331 is a hollow post, a snap bolt or the like may be used for fixing.

Or, the upper auxiliary link 33 is not provided with the first connection column, and one end of the upper auxiliary link 33 far away from the double massage head assembly 40 is provided with a first rotation hole penetrating through the upper and lower surfaces, or the main link 32 is close to one end of the double massage head assembly 40 and extends to the upper auxiliary link 33 and penetrates through the first rotation holes of the upper auxiliary link 32 and the conversion link 35; or one end of the conversion connecting rod 35 close to the upper auxiliary connecting rod 33 is provided with a first rotating hole which extends to the upper auxiliary connecting rod 33 and penetrates through the upper auxiliary connecting rod 35 and the main connecting rod 32; or the first rotating shaft passes through the first bearing, the third bearing 321 and the first rotating hole, so that the upper auxiliary link 33 is rotatably connected with the main link 32 and the converting link 35, respectively.

Similarly, the upper surface of one end of the lower auxiliary link 34 far away from the double massage head assembly 40, or the lower surface of one end of the conversion link 35 close to the lower auxiliary link 34 is provided with a second connecting column 341, the second connecting column 341 is rotatably connected with a second bearing 3531, the second connecting column 341 may be a solid column or a hollow column, and when the second connecting column 341 is a hollow column, the second connecting column can be fixed by using a structure such as a snap bolt; alternatively, a second rotation hole penetrating the upper and lower surfaces is formed at an end of the lower sub-link 34 far from the dual massage head assembly 40, and the second rotation shaft penetrates the second bearing 3531 to rotatably connect the lower sub-link 34 and the conversion link 35. The end of the main link 32 adjacent to the driving assembly 20 has a fourth bearing and a fourth bearing mounting hole, and the connecting shaft 311 of the eccentric member 31 is rotatably connected to the main link 32 through the fourth bearing.

The second fixing end 352 is located between the first fixing end 351 and the third fixing end 353, preferably, the first fixing end 351 and the second fixing end 352 are respectively located at two ends of the conversion link 35, and the second fixing end 352 is located at the center of the conversion link 35, so as to ensure that the reciprocating displacement of the first massage head 41 and the second massage head 42 is the same. As shown in fig. 3, the mounting frame 15 is provided with a supporting column 155, the second fixing end 352 is a circular hole, and an end of the cylindrical supporting column 155 is located in the circular hole and rotatably connected to the second fixing end 352. The second fixed end 352 and the support post 155 may also be coupled by a bearing to reduce friction and noise during operation.

The two ends of the conversion connecting rod 35 are connected with the upper auxiliary connecting rod 33 and the lower auxiliary connecting rod 34, the power of the driving assembly 20 can be transmitted to the upper auxiliary connecting rod 33 and the lower auxiliary connecting rod 34, the front ends of the upper auxiliary connecting rod 33 and the lower auxiliary connecting rod 34 are respectively connected with the first massage head 41 and the second massage head 42, the power of the driving assembly 20 can be output to the first massage head 41 and the second massage head 42, the first massage head 41 and the second massage head 42 which are arranged side by side up and down can do front-to-back periodic motion, and the working massage of multiple massage heads is realized.

In order to ensure that the first massage head 41 and the second massage head 42 do linear reciprocating motion, the dual massage head assembly 40 further comprises a first piston 43 and a second piston 44, the first massage head 41 is in transmission connection with the upper auxiliary connecting rod 33 through the first piston 43, and the upper auxiliary connecting rod 33 is in rotational connection with the first piston 43; the second massage head 42 is in transmission connection with the upper auxiliary connecting rod 33 through a second piston 44, and the upper auxiliary connecting rod 33 is in rotary connection with the second piston 44; correspondingly, the housing 10 includes an upper piston hole 112 and a lower piston hole 113, the upper piston hole 112 and the lower piston hole 113 are vertically arranged and communicated with the first cavity 11, the upper piston hole 112 corresponds to the first piston 43, and the first piston 43 reciprocates in the upper piston hole 112 under the action of the transmission assembly 30; the lower piston hole 113 corresponds to the second piston 44, and the second piston 44 reciprocates in the lower piston hole 113 by the transmission assembly 30.

Specifically, the first piston 43 is rotatably connected to the upper sub link 33 via a bearing, and the second piston 44 is rotatably connected to the lower sub link 34 via a bearing.

As shown in fig. 1, the housing 10 further includes a handle 12, and when the housing 10 includes an upper shell and a lower shell, the handle 12 may be a part of the lower shell. As shown in fig. 2, the handle 12 has a second cavity 13 perpendicular to the transverse axis 14, the second cavity 13 communicating with the first cavity 11, the second cavity 13 having a battery assembly 50 therein. The battery assembly 50 includes a battery 51 and a battery pressing sheet 52, and the battery 51 is integrally located in the second cavity 13 and serves as a power source of the fascial gun to supply power to the driving assembly 20 and other auxiliary structures. The battery pressing piece 52 is located above the battery 51, and the battery pressing piece 52 may be fixed in the first cavity 11 and close to the second cavity 13, may also be fixed in the second cavity 13 and close to the first cavity 11, and may also be located at the connection between the first cavity 11 and the second cavity 13. The inner wall of the lower shell is provided with a mounting edge platform (not shown), the edge of the battery pressing sheet 52 is abutted against the mounting edge platform and fixed with the mounting edge platform, and the specific fixing mode can be bonding or welding. The battery pressing sheet 52 mainly functions to fix the battery 51 in the second cavity 13, so as to prevent the battery from loosening under the influence of vibration during the use of the fascial gun, so that the normal use of the fascial gun is influenced, and the electricity utilization safety is ensured. In some embodiments, the battery wafer 52 also serves to separate the transmission assembly 30 from the battery 51, and also reduces heat transfer between the battery and the motor, ensuring that both are in proper operation. As shown in fig. 3, the battery blade 52 has a plurality of notches 521 for passing a wire harness inside the housing 10 to electrically connect components at different positions. Of course, the mounting frame 15 and the first cavity 11 have a gap, so that on one hand, the vibration transmitted to the housing 10 by the driving assembly 20 and the transmission assembly 30 is reduced, and on the other hand, the wiring of the internal wiring harness is also facilitated.

The upper part of the upper casing and the lower casing form a main body 16, the lower part of the lower casing forms a handle 12, and the handle 12 and the main body 16 are arranged at an angle. The junction smooth transition of the first half of inferior valve and the latter half is the arc structure, can reduce the remaining of outside casing 10 spot, increases pleasing to the eye degree, promotes and holds the sense. The latter half of inferior valve has the polygon district of polygon protruding structure, and the tip of polygon protruding structure is chamfer or fillet design, increases factor of safety and promotes handheld sense of holding, and preferentially, the polygon district can select sweat-absorbing shock attenuation material.

In some embodiments, the upper case and the lower case may be fixed in a manner of: the outer surface of the upper half part of the lower shell is provided with at least one groove, a second locking hole penetrating through the outer wall of the lower shell is formed in the groove, a second mounting column extending towards the first cavity is arranged on the inner surface of the lower shell corresponding to the second locking hole, a first mounting column extending towards the first cavity is formed on the inner surface of the upper shell, and the first mounting column corresponds to the second mounting column; the end of the second mounting column is provided with a limiting protrusion distributed in the circumferential direction, the limiting protrusion is internally provided with a concave limiting groove, the inner diameter of the limiting groove is gradually reduced, and the limiting protrusion is internally provided with a structure with a large outer part and a small inner part, so that the pre-mounting is more convenient. The end of first erection column has the first locking hole that corresponds with the second mounting hole, and first locking hole and second locking hole can be the screw. The bottom in spacing groove has the mount table, and the mount table has the hole that runs through, and with second locking hole intercommunication, the screw penetrates second locking hole and first locking hole thread tightening in proper order. The length sum of the first mounting column and the second mounting column corresponds to the inner diameter of the first cavity, so that the shell can be perfectly attached when being connected, and the limiting and pre-fixing are realized during the mounting. After the screw fixation is completed, the groove on the outer side of the second locking hole can be sealed by using the sealing plug, so that the waterproof, dustproof and protective effects are achieved.

The edge of the upper shell is provided with a segmented or continuous sealing edge, and the corresponding edge of the lower shell is provided with a sealing groove used for being embedded into the sealing edge. The location of the sealing rim and the sealing groove can be interchanged. When the two parts of shells are installed, the sealing edge can be embedded into the sealing groove, so that sealing is realized, and the limitation and pre-fixation before screw fixation can be realized through the sealing groove and the sealing edge. In other embodiments, the sealing groove and the sealing edge can also be arranged in a stepped manner, so that the sealing performance is further improved.

In order to facilitate the operation of the fascial gun by a user, the auxiliary structure of the fascial gun comprises a display component and an operation component.

In one embodiment, the display assembly and the operating assembly are both located at the rear end of the housing. The display assembly is mainly used for displaying the residual capacity and the motor rotating speed grade of the battery, comprises a display piece and a display circuit board, the operating assembly is used for controlling the rotating speed of the motor and comprises an operating piece and a main control board, the main control board is provided with a wiring port, and the wiring port is used for leading out a signal wire and is electrically connected with other auxiliary structures such as the display circuit board. In this embodiment, the operation switch is a push switch with elasticity, and the corresponding operating logic of the fascial gun can be realized by pressing the operation switch. In this embodiment, the display circuit board and the main control board may be the same circuit board.

Specifically, the casing includes the back lid, and the front end inboard of back lid has the joint groove, and the rear end edge of epitheca and inferior valve has the joint strip, and after epitheca and inferior valve foldd, the back lid passes through joint groove and joint strip joint, fixes the rear end at epitheca and inferior valve. The display component and the operation component are positioned on the inner side of the back cover, and the position of the back cover corresponding to the display component is provided with a light-transmitting part, so that the content of the display component can be exposed out of the back cover or the display surface of the display component per se is exposed out of the back cover. The inner side of the rear cover and the position of the operation switch are provided with pressing blocks, the rear cover can be made of elastic materials, and when a user presses the corresponding position of the rear cover, the pressing blocks press the operation buttons to operate. The outside of back lid has the sign of plus sign and subtracting the number, and the sign position corresponds with the position of pressing the briquetting, convenience of customers discerns the operation.

In another embodiment, the display assembly is located on a side of the housing and the operating assembly is located on the handle. The display component comprises a display part and a display circuit board, the display circuit board comprises a control chip, the display part, a plug connector and other related equipment, and the display part can be an LED display screen, a nixie tube, a liquid crystal screen and other elements capable of displaying information and is used for displaying the running state of the fascial gun.

Specifically, for the convenience of installation, a portion of the housing provided with the first cavity is defined as a main body. The side of host computer body has a display mounting groove for the installation shows the piece, and display circuit board is located first cavity, is connected with the display module electricity, and display circuit board's fixed mode can be for one or more combinations of modes such as joint, butt, fastener connection, bonding, also can be other fixed modes. The outer side of the display piece is further provided with a protective cover which is of a light-transmitting structure, the edge of the first display mounting groove is provided with a first mounting edge distributed in the circumferential direction, the thickness of the first mounting edge is slightly smaller than the thickness of the surrounding shell and slightly lower than the surface where the first display mounting groove is located, the edge of the protective cover is abutted to the first mounting edge of the first display mounting groove, or the edge of the protective cover is provided with a first mounting edge distributed in the circumferential direction, during mounting, the protective cover is mounted from the inside of the first cavity, and then the outer surface of the first mounting edge is abutted to the inner surface of the first display mounting groove. The joint of the two can be provided with a sealing ring to enhance the sealing performance of the joint, and can be fixed in one or more modes such as bonding, clamping and the like, so that the sealing performance of the joint is better ensured.

The operating assembly comprises an operating piece, a main control panel and operating buttons, wherein the operating buttons can be one or more and can be arranged at any position of the handle, such as the side edge, the upper edge and the lower edge, and preferably can be arranged at the position of the handle close to the main body. And is located on the underside of the tail cap.

The operating button corresponds to the operating piece, and the main control board comprises a wiring port, and the wiring port is used for leading out a signal wire and is electrically connected with other auxiliary structures such as a display circuit board and the like. In this embodiment, the operating element is a key switch with elasticity, and the operating element is pressed to realize corresponding operating logic of the fascial gun. One of the operating logics is as follows: when the fascia gun is not in operation, the switch is pressed to activate the fascia gun, and the fascia gun is pressed again to adjust the strength or frequency of the fascia gun and move between the set gears until the fascia gun is turned off. A plurality of operating button can also have different functions to realize functions such as speed regulation, switching on and shutting down, cold and hot compress.

The operating member needs to interact with a user through an operating button located outside the operating member. The side of handle has the operating button mounting groove, and the orientation of operating button mounting groove is unanimous with the rear end face orientation of casing, and convenience of customers operates. The operating button is concentric round platform, corresponds key cap and annular border respectively, and key cap and annular border fixed connection, annular border are close to the border circumference distribution of main control board one side along the key cap. The diameter on annular border is greater than the diameter of key cap, and the external diameter on annular border is greater than the diameter of operating button mounting groove. In addition, the diameter of the keycap should be smaller than that of the operating button mounting groove, so that the annular edge of the operating button can move on the inner surfaces of the operating piece and the operating button mounting groove to prevent falling off.

In this embodiment, in order to implement the interaction function, the inner surface of the operation button should further have an abutting member, the abutting member may be one or more parallel or crossed strip-shaped structures, or may be a columnar structure, and the extreme end of the abutting member abuts against the surface of the operation switch, so that when pressed, the force acting on the surface of the operation button is indirectly applied to the operation switch through the action of the abutting member, thereby implementing the interaction.

In this embodiment, the butt piece that adopts is two mutually perpendicular's butt strips to extend to the internal surface of key cap, be equivalent to the strengthening rib, can increase the intensity of key cap when realizing alternately.

In another embodiment, the difference from the above embodiment is that the display assembly and the operation assembly are both located on the handle, the display assembly is located on the front side of the handle, and the operation assembly is located on the rear side of the handle. Of course, in other embodiments, the display assembly and the operating assembly may both be disposed on the left or right side of the handle, and it is preferable to dispose the display assembly and the operating assembly on the right side of the handle in view of the abundance of right-handed users. The front, rear, left and right sides of this are all described with reference to the orientation of the transverse axis. The specific structure of the display assembly and the operation assembly is unchanged. The display assembly comprises a display part and a display circuit board, the display circuit board comprises a control chip, the display part, a plug connector and other related devices, the display part can be an LED display screen, a nixie tube, a liquid crystal screen and other elements capable of displaying information and used for displaying the running state of the fascia gun, the operation assembly comprises an operation part and a main control board, and the operation part can be a touch switch, a mechanical switch and other switch devices. In this embodiment, when display module and operating element set up at same side face, display circuit board and main control board can be same circuit board, and the visor in the display circuit board outside can correspond the operating parts and be equipped with mutual position, and mutual position can adopt the interactive piece, and the interactive piece can be sheet metal, metal spring, optical sensor, pressure sensor isotructure. In other embodiments, the operation element herein may be a mechanical switch instead of a touch switch, or a combination of the two may be used to implement different functions.

When the display assembly and the operation assembly are arranged on different side faces, the display circuit board and the main control board can be two independent circuit boards and are electrically connected through a wiring harness.

In one embodiment, taking the case that the display component is located at the front side of the handle and the operation component is located at the rear side of the handle as an example, the front side of the handle is provided with a second display installation groove which penetrates through the front side of the handle, the inner edge of the outer side of the second display installation groove is provided with second installation edges which are distributed circumferentially, and the thickness of each second installation edge is slightly thinner than that of the surrounding handle and the height of each second installation edge is slightly lower than that of the outer surface where the second display installation groove is located. The display circuit board is located in the second cavity, the display part is located in the second display mounting groove, a protective cover is further fixed on the outer side of the second display mounting groove, the protective cover is of a light-transmitting structure, the inner surface edge of the protective cover is abutted to the second mounting edge of the second display mounting groove, or the inner surface edge of the protective cover is provided with the second mounting edge which is circumferentially distributed, during mounting, the protective cover is mounted from the inside of the first cavity, and then the outer surface of the second mounting edge is abutted to the inner surface of the second display mounting groove. The joint of the two can be provided with a sealing ring to enhance the sealing performance of the joint, and can be fixed by one or more modes such as bonding, clamping and the like, so that the sealing performance of the joint is better ensured.

In this embodiment, the operating element is a push switch with elasticity, and the corresponding operating logic of the fascial gun can be realized by pressing the operating element. One of the operating logics is as follows: when the fascia gun is not in operation, the switch is pressed to activate the fascia gun, and the fascia gun is pressed again to adjust the strength or frequency of the fascia gun and move between the set gears until the fascia gun is turned off.

The back flank of handle has the operating button mounting groove, and the orientation of operating button mounting groove is unanimous with the rear end face orientation of casing, and convenience of customers operates. The operating button is a concentric round table and respectively corresponds to the keycap and the annular edge, the keycap is fixedly connected with the annular edge, and the annular edge is circumferentially distributed along the edge of one side of the keycap close to the main control board. The diameter on annular border is greater than the diameter of key cap, and the external diameter on annular border is greater than the diameter of operating button mounting groove. In addition, the diameter of the keycap should be smaller than that of the operation button installation groove, so that the annular edge of the operation button can move on the inner surfaces of the operation piece and the operation button installation groove to prevent falling off.

In other embodiments, the display module and the operation module are both located on the side of the main body and at the junction of the upper casing and the lower casing, and the structures of the display module and the operation module may be specifically referred to the structures of the embodiments, and the installation structure may be adjusted correspondingly according to the embodiments, which is not described herein again.

In some embodiments, the housing has a hump, the display component and the operation component are both located on the upper surface of the hump, the structures of the display component and the operation component may refer to the structures of the above embodiments, and the mounting structure may be adjusted correspondingly according to the above embodiments, which is not described herein again.

In other embodiments, the display component and the operation component are both located at the bottom of the handle, the structures of the display component and the operation component may refer to the structures of the above embodiments, and the installation structure may be adjusted correspondingly according to the above embodiments, which is not described herein again.

In order to facilitate charging of a user, the auxiliary structure of the fascial gun further comprises a charging assembly, wherein the charging assembly is electrically connected with a battery and is used for charging the battery, the charging assembly comprises a battery circuit board, a charging head and a charging switch, the battery assembly is electrically connected with the battery circuit board, and the connection mode comprises direct electrical connection or indirect electrical connection; the driving assembly is electrically connected with the battery circuit board in a direct or indirect way, the battery circuit board comprises a charging circuit and a battery management circuit, the charging circuit and the battery management circuit are respectively used for battery charging and electric quantity management and transportation when the fascial gun works normally, and the driving assembly is also electrically connected with an auxiliary structure of the fascial gun in the embodiment, such as one or more of a display assembly, an operation assembly, a light-emitting assembly and a cold and hot compress assembly. The charging switch and the charging head are connected with the battery circuit board.

As shown in the embodiment of fig. 2, the charging assembly 53 is located at the lower end of the handle 12, the lower end of the handle 12 has a bottom cover 18, the bottom cover 18 has a charging mounting post 181 therein, the battery circuit board 531 has a mounting through hole, and the end of the charging mounting post 181 has a positioning step for positioning the battery circuit board 531. The charging head 532 is fixed on the battery circuit board 531 and extends toward the bottom cover 18, and the bottom cover 18 has a charging hole 183 adapted to the charging head 532 for facilitating plug-in charging. The charging mounting post 181 has a fastening hole 182 therein, and a fastener passes through the fastening hole 182 to fix the bottom cover 18 to the lower end of the handle 12. Preferably, the connection between the bottom cover 18 and the lower end of the handle 12 is provided with a step structure or a labyrinth structure to enhance the sealing and waterproof performance of the connection. The bottom cover 18 also has a switch notch 184 for the charging switch 533 to pass through for controlling the start and stop of the charging assembly 53. The charging head 532 is a circular structure with a metal needle in the middle, and the charging switch 533 is a toggle switch to control the main power supply.

In another embodiment, the charging assembly is also located at the lower end of the handle, except that the lower end of the handle is provided with a bottom cover and a charging installation seat, the battery assembly is located above the charging installation seat, the charging assembly is located between the bottom cover and the charging installation seat, the charging installation seat is provided with a fourth installation column and a through groove, the through groove is used for a wiring harness between the charging assembly and the battery assembly to pass through, the end part of the fourth installation column is provided with a fifth step for positioning a battery circuit board, correspondingly, the battery circuit board is provided with an installation through hole for the end part of the fourth installation column to pass through, and the battery circuit board is abutted against the end surface of the fifth step for positioning. The end of the fourth mounting post has a fourth mounting hole. The head that charges is fixed on the battery circuit board to extend towards the bottom, the bottom have with the hole of charging of the first adaptation that charges, conveniently peg graft and charge. The bottom cover is also provided with a fifth mounting hole corresponding to the fourth mounting hole, and during mounting, the fastener penetrates through the fifth mounting hole to be locked and fixed with the fourth mounting hole, so that the bottom cover is fixed at the lower end of the handle. Preferably, a step mechanism or a labyrinth structure is arranged at the joint of the bottom cover and the lower end of the handle, so that the sealing performance and the water resistance of the joint are enhanced.

In another embodiment, the difference from the above embodiment is that the charging assembly is located at the rear end of the housing. Specifically, the charging assembly is located inside a rear cover of the housing. The connection mode of the rear cover and the main body is as shown in the above embodiments, and is not described herein again. The charging assembly is vertical to the first cavity, the battery circuit board is circular or similar to a circle, and chamfers or fillets are arranged on the periphery of the battery circuit board. The head that charges sets up the direction and is on a parallel with horizontal axis to the back lid extends, and the back lid has the hole of charging, corresponds with the head that charges, supplies the head that charges to expose and charge. The back lid has the switch breach simultaneously, supplies the switch that charges to wear out for control charging assembly opens and stops. The charging head is a circular structure with a metal needle in the middle, and the charging switch is a toggle switch to control the main power supply.

In some embodiments, the auxiliary structure of the fascial gun comprises a cold compress assembly.

In some embodiments, the first massage head and/or the second massage head have a fomentation assembly therein. In the present embodiment, for convenience of description, the first massage head and the second massage head are collectively referred to as a massage head. The massage head comprises a massage head cover body, a massage head rod body and a massage head bottom cover, wherein the massage head cover and the massage head rod body are connected and fixed through buckles, and the massage head bottom cover and the massage head rod body are clamped and fixed. The cavity that has the intercommunication between the first lid of massage in the first pole body and the massage, cold and hot compress the subassembly and be arranged in the cavity, and cold and hot compress the subassembly and include temperature control structure, control by temperature change fixed plate, power and temperature switch, and the temperature control structure is the semiconductor refrigeration piece, and this device is small, and can refrigerate or heat through the control of the electric current flow direction control that controls the inflow to can control the size through control current, thereby control temperature variation range. The temperature control structure is attached to the massage head cover body, the massage head cover body is used as a contact surface with a human body, and the temperature is transmitted to the human body. The temperature control fixing plate is positioned in the cavity and is fixedly connected with the massage head cover body or the massage head rod body, the temperature switch is fixed on the side face of the temperature control structure, and a switch notch is formed in the corresponding position of the side edge of the massage head cover body and used for allowing the temperature switch to penetrate out of the massage head cover body, so that the operation of a user is facilitated.

The power along horizontal axis sets up in massage head rod body, and the power can be rechargeable battery, and power charging mouth and power are connected to the charging wire, and the power is charged mouthful and is fixed on massage head bottom cover. The massage head is detachably connected with the reciprocating part, and when the massage head is not used, the massage head can be detached to charge the power supply independently. In this embodiment, the knocking function and the hot and cold compressing function of the massage head can be operated independently.

In other embodiments, the rear end of the housing has a cold compress assembly. The casing is including the back lid that is located the rear end, and cold and hot compress subassembly includes contact piece, temperature control structure, control by temperature change fixed plate and change over switch. The contact piece is fixed on the outermost side of the back cover and is used for contacting with a human body and conducting heat, and preferably, the contact piece adopted here can be made of a material with better heat conductivity and flame retardance. The outside of back lid has first clamping groove, and the contact piece is fixed in first clamping groove, and the contact piece can adopt one or more modes such as bonding, joint, screwed connection to fix in first clamping groove.

The inner side of the rear cover is provided with a plurality of steps which are distributed in the circumferential direction and have different heights, and the steps are respectively abutted against different parts of the cold and hot compress assembly so as to realize the fixation of different parts. Specifically, the temperature control fixing plate is abutted against a first step of the rear cover closest to the first cavity, and the temperature control fixing plate can be fixed with the first step in one or more modes such as bonding, clamping, screw connection and the like; the change-over switch is electrically connected with the temperature control structure and is located on the side face of the temperature control structure, a sunken first limiting platform is arranged on the side face, corresponding to the change-over switch, of the first step, a first switch through hole penetrating through the first limiting platform is formed in the middle of the first limiting platform, and the end portion of the change-over switch can penetrate through the first limiting platform and is exposed out of the rear cover. The change-over switch has three gears for switching on and off and adjusting the temperature control structure, and has the functions of at least having three functions of refrigeration, heating and starting and stopping. The middle of a second step which is far away from the first cavity relative to the first step is provided with a first through hole, and at least part of the temperature control structure is positioned in the first through hole and positioned between the temperature control fixing plate and the contact piece. One side of the temperature control structure is connected with the temperature control fixing plate in a butting and positioning mode, and the other side of the temperature control structure is abutted against the contact piece. In this embodiment, the temperature control structure is a semiconductor cooling plate, which has a small size, can control cooling or heating by controlling the flowing current, and can control the temperature variation range by controlling the current.

The cold and hot compress assembly can be independently provided with a power supply, a battery in the handle can also be used as the power supply, the temperature control structure can also be electrically connected with the main control board or the battery circuit board, and the outgoing line can be led out from the gap between the temperature control fixing plate and the shell. When equipment cold and hot compress subassembly, can be fixed contact piece, temperature control structure and control by temperature change fixed plate in proper order and cover after, then will cover after fixed at the rear end of epitheca and inferior valve, the inside of epitheca or inferior valve has the card wire casing, and the lead-out wire of accomplishing the wiring can be retrained in the card wire casing, avoids the interior pencil confusion of casing.

The connection mode between the rear cover and the upper and lower shells can be as follows: the rear cover mounting seats are arranged on the outer edges of the rear ends of the upper shell and the lower shell and comprise baffle plates and wire passing grooves, the baffle plates are positioned at the rear ends of the first cavities, the wire passing grooves are positioned in the middles of the baffle plates, the baffle plates can realize the isolation of two parts of functions to prevent small parts from falling into the first cavities and influencing the operation of the driving assembly and the transmission assembly, and the wire passing grooves can enable wire harnesses of the cold and hot compress assembly to pass through the wire passing grooves and be connected with a main control board or a battery circuit board; the outer edge of the rear cover mounting seat is provided with a first buckle, and the rear cover mounting seat are fixedly clamped.

In other embodiments, the lower end of the handle has a cold thermal compress assembly.

The cold compress and hot compress assembly at the lower end of the handle has substantially the same structure as the cold compress and hot compress assembly in the third embodiment, except that: the casing is including being located the bottom of handle lower extreme, and cold and hot compress subassembly passes through bottom and handle fixed connection.

Specifically, the contact piece is fixed on the outermost side of the bottom cover and is used for contacting with a human body and conducting heat, and preferably, the contact piece used herein can be made of a material with better heat conductivity and flame retardance. The outer side of the bottom cover is provided with a second clamping groove, the contact piece is fixed in the second clamping groove, and the contact piece can be fixed in the second clamping groove in one or more modes such as bonding, clamping and screw connection.

The inner side of the bottom cover is provided with a plurality of steps which are distributed in the circumferential direction and have different heights, and the steps are respectively abutted with different parts of the cold and hot compress assembly so as to realize the fixation of different parts. Specifically, the temperature control fixing plate is abutted against a third step of the bottom cover closest to the second cavity, and the temperature control fixing plate can be fixed with the third step in one or more modes of bonding, clamping, screw connection and the like; the change-over switch is electrically connected with the temperature control structure and is positioned on the side face of the temperature control structure, a sunken second limiting platform is arranged on the side face, corresponding to the change-over switch, of the third step, a through second switch through hole penetrating through the second limiting platform is formed in the middle of the second limiting platform, and the end portion of the change-over switch can penetrate through the through second switch through hole and is exposed out of the bottom cover. The change-over switch has three gears for switching on and off and adjusting the temperature control structure, and has the functions of at least refrigerating, heating and starting and stopping. And a second through hole is formed in the middle of a fourth step which is far away from the second cavity relative to the third step, and at least part of the temperature control structure is positioned in the second through hole and positioned between the temperature control fixing plate and the contact piece. One side of the temperature control structure is connected with the temperature control fixing plate in a butting and positioning mode, and the other side of the temperature control structure is abutted against the contact piece. In this embodiment, the temperature control structure is a semiconductor cooling plate, which has a small size, can control cooling or heating by controlling the flowing current, and can control the temperature variation range by controlling the current.

The cold and hot compress assembly can be independently provided with a power supply, a battery in the handle can also be used as the power supply, the temperature control structure can also be electrically connected with the main control board or the battery circuit board, and the outgoing line can be led out from the gap between the temperature control fixing plate and the shell. When equipment cold and hot compress subassembly, can fix contact piece, temperature control structure and temperature control fixed plate on the bottom in proper order, then fix the lower extreme at the handle with the bottom, the inside of handle has the card wire casing, and the lead-out wire of accomplishing the wiring can be retrained in the card wire casing, avoids the casing internal wiring harness confusion.

The connection mode between bottom and the handle can be: the outer side edge of the lower end of the handle is provided with a bottom cover mounting seat, the bottom cover mounting seat comprises a baffle plate and a wire passing groove, the baffle plate and the wire passing groove are positioned at the rear end of the second cavity, the wire passing groove is positioned in the middle of the baffle plate, the baffle plate can realize the separation of two functions and prevent small parts from falling into the second cavity to influence the operation of the driving assembly and/or the battery assembly, and the wire passing groove can enable a wire harness of the cold and hot compress assembly to pass through the wire passing groove and be connected with the main control board or the battery circuit board; the outer side edge of the bottom cover mounting seat is provided with a second buckle, and the bottom cover mounting seat are fixedly clamped.

In some embodiments, the auxiliary structure of the fascial gun further comprises a light emitting assembly.

In one embodiment, the light-emitting component is arranged at the rear end of the shell and corresponds to the charging component, the light-emitting component is used for displaying the charging state of the charging component and the electric quantity of the battery, and different lights are displayed according to different electric quantity states when the fascia gun is charged, after charging is completed and in use, so that a user can judge the electric quantity of the fascia gun at the moment. Of course, in other embodiments, the light emitting assembly and the display assembly may also be disposed together at the rear end of the housing, and the light emitting circuit board in the light emitting assembly and the display circuit board are the same circuit board. In this embodiment, a structure and an installation manner of the light emitting device are described by taking a manner of combining the light emitting device and the charging device as an example.

Specifically, the light-emitting assembly comprises a light-emitting ring, a light-emitting element and a light-emitting circuit board, and at the moment, the light-emitting circuit board and the battery circuit board can be the same circuit board and are collectively called as the battery circuit board for convenience of description. The battery circuit board is perpendicular to the first cavity, and the first cavity is close to the cylindrical structure, so that the battery circuit board is also of a similar circular structure, and the periphery of the battery circuit board is provided with chamfers or fillets. Be equipped with control chip, charging circuit and power management circuit etc. on the battery circuit board, its edge circumference distributes at least one illuminating part, and the illuminating part can be devices such as emitting diode, charactron to can send the light of multiple colour and/or produce different bright and go out effects under control chip's control, in addition the light signal that the illuminating part sent should make the user can follow the luminous ring department receipt in the battery circuit board outside, preferably, orientation after the illuminating part installation should be on a parallel with battery circuit board place plane, makes light personally submit 90 right angles with the acceptance of luminous ring, reinforcing display effect.

The installation mode of the luminous ring is as follows: the casing includes the back lid, and the main fuselage fixed connection that back lid and epitheca and inferior valve formed, luminous ring clamp locate between back lid and the main fuselage, and luminous ring adopts transparent material to make, and luminous ring has the extension towards the terminal surface of main fuselage, and the lateral wall edge joint of extension and main fuselage makes luminous ring and the preliminary location of main fuselage, and then, the back lid adopts screw fixed connection, further fixed luminous ring with the main fuselage.

In other embodiments, the light emitting assembly may be disposed at the front end of the housing or at the lower end of the handle.

Specifically, the casing includes skull, epitheca and inferior valve, the skull with the epitheca with inferior valve fixed connection, epitheca and inferior valve form the host computer body, and inferior valve downwardly extending forms the handle, and the handle is the angle setting with the host computer body. The light-emitting component is positioned in the head cover or at the joint of the head cover and the main body. The illuminating part of the illuminating component is arranged towards the head cover, the corresponding position of the head cover is provided with a light hole, and the light hole can transmit light emitted by the illuminating part. The illuminating part can be an LED lamp bead or an infrared physiotherapy lamp. The luminous circuit board is the loop configuration, through the fix with screw in the inside of skull, and luminous piece circumference distributes on luminous circuit board, and simultaneously, luminous circuit board's power supply line penetrates first cavity and is connected or penetrates the second cavity and be connected with the battery circuit board with the main control board. Preferably, the inside of casing has the card wire casing for retraining the power supply line, avoid disturbing structures such as drive assembly, transmission assembly and battery pack in the casing. The connection between the head cover and the main body can refer to the specific structure in other embodiments, and is not described herein.

The above embodiments are only preferred embodiments of the present invention, and the protection scope of the present invention cannot be limited thereby, and any insubstantial changes and substitutions made by those skilled in the art based on the present invention are all within the protection scope of the present invention.

Claims (8)

1. A double-headed fascia gun, comprising:

a housing;

a drive assembly located within the housing;

the transmission assembly is in transmission connection with the driving assembly and is positioned in the shell;

the double massage head assembly is in transmission connection with the transmission assembly and comprises a first massage head and a second massage head which are vertically arranged, and the first massage head and the second massage head do reciprocating motion under the action of the transmission assembly;

the shell is provided with a first cavity which is arranged along a transverse axis, the driving assembly is at least partially positioned in the first cavity, and the arrangement direction of the driving assembly is vertical to the transverse axis; alternatively, the direction of arrangement is parallel to the transverse axis;

a part or all of the mounting rack is arranged in the first cavity, the mounting rack is fixed in the shell, the driving assembly is installed at one end of the mounting rack, and the transmission assembly is installed at the other end of the mounting rack;

the mounting frame comprises a first part, a second part and a connecting part for connecting the first part and the second part, the first part and the second part are distributed in a staggered manner, a space is arranged below or above the second part, the driving assembly is positioned in the space and is upwards or downwards fixed below or above the second part, and at least part of the transmission assembly is positioned on the first part; the first portion has a support column, and the transmission assembly is connected with the support column rotation.

2. The double-headed fascia gun according to claim 1, wherein the transmission assembly comprises an eccentric member, a main connecting rod, an upper sub-connecting rod, a lower sub-connecting rod and a conversion connecting rod, the eccentric member is disposed on the output shaft of the driving assembly, one end of the main connecting rod is rotatably connected with the eccentric member, the other end of the main connecting rod is rotatably connected with the upper sub-connecting rod, the conversion connecting rod is rotatably connected with the mounting frame, and the two ends of the conversion connecting rod are respectively connected with the upper sub-connecting rod and the lower sub-connecting rod; the upper auxiliary connecting rod is connected with the first massage head, and the lower auxiliary connecting rod is connected with the second massage head.

3. The double-headed fascia gun according to claim 2, wherein the double-massaging-head assembly further comprises a first piston and a second piston, the first massaging head is in transmission connection with the upper secondary connecting rod through the first piston, and the upper secondary connecting rod is in rotational connection with the first piston; the second massage head is in transmission connection with the upper auxiliary connecting rod through the second piston, and the upper auxiliary connecting rod is in rotary connection with the second piston.

4. The double-headed fascia gun as recited in claim 3, wherein the housing comprises an upper piston hole and a lower piston hole, the upper piston hole corresponding to the first piston, the first piston reciprocating in the upper piston hole under the action of the transmission assembly; the lower piston hole corresponds to the second piston, and the second piston reciprocates in the lower piston hole under the action of the transmission assembly.

5. The double-ended fascia gun as claimed in claim 3, wherein said transfer link comprises three fixed ends, a first fixed end pivotally connected to said upper secondary link, a second fixed end pivotally connected to said housing or mounting bracket, and a third fixed end pivotally connected to said lower secondary link.

6. The double-headed fascia gun as recited in claim 1, wherein the housing further comprises a handle having a second cavity at an angle to the transverse axis, the second cavity having a battery assembly therein, the battery assembly comprising a battery and a battery tab, the battery tab positioned above the battery;

the charging assembly comprises a battery circuit board, a charging head and a charging switch, the battery assembly is electrically connected with the battery circuit board, the driving assembly is electrically connected with the battery circuit board, and the battery circuit board comprises a charging circuit and a battery management circuit;

the charging assembly is located at the rear end of the shell or at the lower end of the handle of the shell.

7. The double-headed fascia gun according to claim 1, wherein the housing has heat dissipation holes at positions corresponding to the driving assembly.

8. The double-ended fascia gun of claim 1, further comprising a display assembly and an operating assembly, the display assembly comprising a display and a display circuit board; the operating assembly comprises an operating piece and a main control board;

the display assembly is positioned on the rear cover of the shell or on the side surface of the main body of the shell or on the top surface of the hump of the shell or on the side surface of the handle of the shell or on the bottom of the handle of the shell;

the operating assembly is positioned on the rear cover of the shell or positioned on the side surface of the main body of the shell or positioned on the hump top surface of the shell or positioned on the side surface of the handle of the shell or positioned at the bottom of the handle of the shell.

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