CN217339313U - Rearmounted manadesma rifle of battery - Google Patents

Abstract

The utility model relates to a rearmounted manadesma rifle of battery, include: the shell comprises an upper shell, a lower shell and a lengthened shell, wherein the upper shell is fixedly connected with the lower shell, and the lengthened shell is provided with a containing cavity; and the battery is fixedly arranged in the accommodating cavity. The technical scheme of the utility model be through epitheca and inferior valve fixed connection, add the long shell including shell and inner shell, the rear end fixed connection of shell and epitheca, inferior valve, the inner shell is fixed to be set up inside the shell, and the inner shell is formed with and holds the chamber, and the battery is fixed to be set up in holding the intracavity. When the fascia gun is used, the massage head generally acts on a human body downwards, and the battery is positioned at the upper side of the massage head, so that the massage strength of the massage head can be increased by means of the weight of the battery, and the massage effect is good.

Description

Rearmounted manadesma rifle of battery

Technical Field

The utility model relates to a manadesma rifle field especially relates to a rearmounted manadesma rifle of battery.

Background

The fascia gun is a muscle fascia relaxing massage gun, is used for relieving muscle fatigue caused after exercise, relieving muscle soreness caused by long-term sedentary, relieving muscle tension, dredging channels and collaterals, accelerating blood circulation and the like, and can achieve the effect of massaging different muscle groups of all parts of a human body by replacing different massage heads. The health care massage is a health care behavior based on the theory of traditional Chinese medicine, has the effects of relaxing muscles, relieving fatigue, dredging channels and collaterals, balancing yin and yang and regulating human body functions, and is convenient and labor-saving to massage through a massage apparatus, thereby being more and more popular with people.

At present, the fascia guns in the market cannot play a role in increasing the massage strength of the fascia guns due to the weight of batteries, so that muscles are stressed unevenly in high-frequency movement of the fascia guns, and the massage effect is poor.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a rearmounted manadesma rifle of battery, rearmounted manadesma rifle of battery has that the massage dynamics is great, and characteristics such as massage effect is better have better suitability.

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

a battery-backed fascia gun, comprising: the shell comprises an upper shell, a lower shell and a lengthened shell, wherein the upper shell is fixedly connected with the lower shell, and the lengthened shell is provided with a containing cavity; and the battery is fixedly arranged in the accommodating cavity.

Preferably, the lengthened shell comprises an outer shell and an inner shell, the outer shell is fixedly connected with the rear ends of the upper shell and the lower shell, the inner shell is fixedly arranged in the outer shell, and the accommodating cavity is formed in the inner shell.

Preferably, the upper casing and the lower casing form a first cavity body which is formed along the transverse axis, a wire through hole is formed in the end portion, close to the upper casing, of the inner casing, and the accommodating cavity and the first cavity body are communicated through the wire through hole.

Preferably, a clamping groove is formed in the end part, close to the upper shell, of the shell, and a buckle is arranged at the corresponding part of the upper shell and clamped in the clamping groove; mounting holes are formed in the end part, close to the lower shell, of the shell and corresponding parts of the lower shell, and the shell is detachably connected with the lower shell through fasteners;

or, a clamping groove is arranged at the end part of the shell close to the lower shell, a buckle is arranged at the corresponding part of the lower shell, and the buckle is clamped in the clamping groove; the shell is close to all be equipped with the mounting hole on the tip of epitheca with the epitheca corresponding part, the shell with the epitheca passes through the fastener and can dismantle the connection.

Preferably, the casing further comprises a rear cover, the fascial gun further comprises a charging assembly, the charging assembly is fixedly arranged in the elongated shell, and the rear cover is fixedly arranged on the end, far away from the upper shell, of the elongated shell; the charging assembly comprises a battery circuit board, a charging head and a charging switch, the charging head and the charging switch are arranged on the battery circuit board, a corresponding charging hole and a corresponding switch hole are formed in the rear cover, the charging head is embedded in the charging hole, and the charging switch penetrates through the switch hole and extends to the outer side of the rear cover.

Preferably, the fascia gun further comprises a light emitting assembly located between the rear end of the elongated housing and the rear cover of the housing, and the light emitting assembly is electrically connected to the battery.

Preferably, the casing still includes the handle, the handle with inferior valve integrated into one piece, just have in the handle and be the second cavity of certain contained angle with horizontal axis.

Preferably, the fascia gun further comprises a driving assembly and a transmission assembly, wherein the driving assembly is at least partially fixedly arranged in the second cavity, the transmission assembly is arranged in the upper shell and the lower shell, and one end of the transmission assembly is rotatably connected with the output end of the driving assembly.

Preferably, the driving assembly comprises a motor and a mounting rack, a plurality of fixing columns are arranged at the joint of the handle and the lower shell, the mounting rack is fixedly connected with the fixing columns, and the motor is fixedly arranged on the mounting rack; the axial direction of the output end of the motor is perpendicular to the transverse axis.

Preferably, the outer side surface of the mounting frame is further provided with a heat insulation plate, the heat insulation plate extends for a circle along the outer side surface of the mounting frame and is abutted to the inner side surface of the handle.

Preferably, the transmission assembly comprises an eccentric part and a connecting rod, the eccentric part is fixedly connected with the output end of the motor, and one end of the connecting rod is rotatably connected with the eccentric part; the transmission structure is located on the front side of the battery.

Preferably, the housing further comprises a head cover fixedly connected with the upper case and the lower case; the fascia gun further comprises a piston assembly, the piston assembly comprises a piston, a steel sleeve, a shockproof sleeve and a pressure joint ring, the shockproof sleeve is fixedly arranged in the head cover, the steel sleeve is fixedly arranged in the shockproof plug in a penetrating manner, and the piston is slidably arranged in the steel sleeve; the compression joint ring is positioned at the rear end of the shockproof sleeve, is fixedly connected with the rear end of the head cover and is used for limiting the shockproof sleeve and the steel sleeve in the head cover.

Preferably, the fascia gun further comprises a massage head, one end of the massage head is located outside the head cover of the casing, and the other end of the massage head penetrates through the head cover of the casing and is fixedly connected with the transmission assembly.

Preferably, the fascia rifle still includes cold hot compress subassembly, cold hot compress subassembly set up in the massage head of fascia rifle or set up in the extension shell or set up in on the handle bottom surface of casing.

Preferably, the shell further comprises a hump, and the hump and the upper shell are integrally formed; the fascia gun further comprises a display component and an operation component;

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 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 display component and the operation component are jointly positioned on the rear cover of the shell or positioned on the side surface of the shell or positioned on the hump top surface of the shell or positioned on the handle side surface of the shell or positioned at the handle bottom of the shell.

Preferably, an oil filling groove for placing lubricating oil is formed in the inner surface of the steel sleeve in a concave mode in the thickness direction of the inner surface of the steel sleeve, the surface of the piston is in contact with the lubricating oil in the oil filling groove, and the two end portions of the steel sleeve are covered by the shockproof sleeve.

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

the rearmounted manadesma rifle of battery that provides among the above-mentioned technical scheme, through epitheca and inferior valve fixed connection, the extension shell includes shell and inner shell, and the shell is fixed with the rear end fixed connection of epitheca, inferior valve, and the inner shell is fixed to be set up inside the shell, and the inner shell is formed with and holds the chamber, and the battery is fixed to be set up in holding the intracavity. When the fascia gun is used, the massage head generally acts on a human body downwards, and the battery is positioned at the upper side of the massage head, so that the massage strength of the massage head can be increased by means of the weight of the battery, and the massage effect is good.

Drawings

Fig. 1 is a schematic view of a fascia gun according to an embodiment of the present invention.

Fig. 2 is a schematic view of an elongated shell according to an embodiment of the present invention.

Fig. 3 is another schematic view of the elongated shell according to the embodiment of the present invention.

Fig. 4 is an exploded view of the elongated housing, the battery, the charging assembly, the light-emitting assembly, and the rear cover according to an embodiment of the present invention.

Fig. 5 is a schematic view of the lower shell and the handle according to the embodiment of the present invention.

Fig. 6 is a schematic view of an upper case provided in an embodiment of the present invention.

Fig. 7 is an assembly view of the driving assembly, the transmission assembly, the piston assembly and the massage head according to the embodiment of the present invention.

Fig. 8 is a schematic view of a mounting bracket according to another embodiment.

Fig. 9 is a schematic view of another view angle of the lower shell and the handle according to the embodiment of the present invention.

Fig. 10 is a schematic view of a head cover according to an embodiment of the present invention.

Fig. 11 is an exploded view of a piston assembly according to an embodiment of the present invention.

Fig. 12 is a schematic view of a steel sleeve according to an embodiment of the present invention.

Fig. 13 is an exploded view of the upper case, the hump, the display module, the operation module and the protection cover according to the embodiment of the present invention.

Fig. 14 is a schematic view of a fascia gun according to a third embodiment.

Fig. 15 is an exploded view of the upper case, the lower case, the handle, the protective cover, the display member, and the operation buttons provided in the third embodiment.

FIG. 16 is an exploded view of the operating member, main control panel and operating buttons provided in the third embodiment.

Fig. 17 is a schematic diagram of operation buttons provided in the third embodiment.

Fig. 18 is an exploded view of the fascia gun according to the fourth embodiment.

Fig. 19 is an exploded view of a fascia gun provided with the first embodiment of the cold thermal compress assembly.

Fig. 20 is an exploded view of a massage head provided with the second embodiment of the hot compress and cold compress assembly.

11. An upper shell; 111. buckling; 112. a sealing edge; 113. a first mounting post; 114. a first locking hole; 115. a first display mounting groove; 12. a lower case; 121. mounting holes; 122. a sealing groove; 123. a groove; 124. a second locking hole; 125. a second mounting post; 13. lengthening the shell; 131. a housing; 132. an inner shell; 133. an accommodating chamber; 134. a wire passing hole; 135. a card slot; 14. a rear cover; 141. a charging hole; 142. a switch hole; 15. a handle; 151. fixing the column; 152. heat dissipation holes; 153. an operation button mounting groove; 154. a second display mounting groove; 16. a head cover; 161. a limiting groove; 162. a yielding groove; 163. a third limiting hole; 164. a limiting member; 165. a second limiting hole; 166. a first limit hole; 17. humping; 18. a protective cover; 19. a bottom cover; 2. a battery; 3. a charging assembly; 31. a battery circuit board; 32. a charging head; 33. a charging switch; 4. a light emitting assembly; 5. a drive assembly; 51. a motor; 52. a mounting frame; 53. a heat insulation plate; 6. a transmission assembly; 61. an eccentric member; 62. a connecting rod; 7. a piston assembly; 71. a piston; 72. steel jacket; 721. an oil filling tank; 73. a shockproof sleeve; 74. a crimp ring; 75. a piston sleeve; 8. a massage head; 81. a massage head cover body; 82. a massage head rod body; 83. a massage head bottom cover; 91. a display member; 92. a display circuit board; 93. an operating member; 94. a main control board; 95. an operation button; 951. an abutting member; 96. a contact piece; 97. a temperature control structure; 98. mounting a plate; 99. and (6) switching a switch.

Detailed Description

The present invention will now be described in more detail with reference to the accompanying drawings, and it is to be understood that the following description of the present invention is made only by way of illustration and not by way of limitation with reference to the accompanying drawings. The various embodiments may be combined with each other to form other embodiments not shown in the following description.

Referring to fig. 1, an embodiment of the present invention provides a fascia gun with a rear battery, including: the massage device comprises a shell, a battery 2, a charging assembly 3, a light-emitting assembly 4, a driving assembly 5, a transmission assembly 6, a piston assembly 7 and a massage head 8.

The shell comprises an upper shell 11, a lower shell 12 and an elongated shell 13, wherein the upper shell 11 is fixedly connected with the lower shell 12, the elongated shell 13 comprises an outer shell 131 and an inner shell 132, the outer shell 131 is fixedly connected with the rear ends of the upper shell 11 and the lower shell 12, and the inner shell 132 is fixedly arranged in the outer shell 131 and is formed with an accommodating cavity 133; the battery 2 is fixedly arranged in the accommodating cavity 133.

In a preferred embodiment, the upper shell 11 and the lower shell 12 are both hollow inside, and the upper shell 11 and the lower shell 12 form a first cavity opening along a transverse axis. The elongated housing 13 is located at the rear side of the first cavity.

Referring to fig. 2-3, the elongated housing 13 includes an outer housing 131 and an inner housing 132, and the outer housing 131 is cylindrical and hollow. The inner shell 132 is located inside the outer shell 131, and one end of the inner shell 132, which is far away from the first cavity, is fixedly connected with the inner side wall of the outer shell 131, preferably integrally formed. An accommodating cavity 133 is formed on the side surface of the inner shell 132 far away from the first cavity, the shape of the accommodating cavity 133 is matched with that of the battery 2, and the battery 2 can be fixedly arranged in the accommodating cavity 133. The battery 2 is preferably in the same line with the massage head 8, when the massage head 8 acts on a human body downwards, the weight of the battery 2 can better act on the massage head 8, and the massage force of the massage head 8 is increased.

More preferably, a wire through hole 134 is formed on a side surface of the inner casing 132 close to the upper casing 11, and the first cavity and the accommodating cavity 133 may be communicated through the wire through hole 134. And the inner shell 132 separates first cavity and battery 2, sets up alone battery 2 is more safe and stable, can not receive all the other subassemblies to battery 2's influence, secondly changes battery 2 need not take apart the fascia rifle, consequently changes battery 2 is simple and convenient more.

More preferably, a clamping groove 135 is formed in an inner side wall of one end of the outer shell 131 close to the upper shell 11, and a mounting hole 121 is formed in one end of the outer shell 131 close to the lower shell 12. The locking groove 135 and the mounting hole 121 are preferably symmetrically disposed.

Referring to fig. 4, the charging assembly 3 includes a battery circuit board 31, a charging head 32 and a charging switch 33, wherein the battery circuit board 31 is located in the accommodating cavity 133 and electrically connected to the battery 2. The battery circuit board 31 may be fixedly connected to the sidewall of the accommodating cavity 133, or may be fixedly disposed on the battery 2. The battery circuit board 31 includes a charging circuit and a battery management circuit, which are respectively used for battery charging and power management and transmission during normal operation of the fascial gun. The charging head 32 and the charging switch 33 are both fixedly disposed on a side surface of the battery circuit board 31 away from the battery 2. Correspondingly, the rear cover 14 is provided with a charging hole 141 and a switch hole 142, the charging head 32 is embedded in the charging hole 141, and an external charging device can be directly connected with the charging head 32 to charge the battery 2. The charging switch 33 passes through the switch hole 142 and extends to the outside of the rear cover 14, so that a user can open or close the charging switch 33 conveniently. The charging head 32 is a circular structure with a metal needle in the middle, and the charging switch 33 is a toggle switch control main power supply and is used for controlling the start and stop of the power supply of the whole machine.

In a preferred embodiment, the light emitting assembly 4 is located between the elongated housing 13 and the rear cover 14, and is disposed corresponding to the charging assembly 3. The light-emitting component 4 is used for displaying the charging state of the charging component 3 and the electric quantity of the battery 2, and different lights are displayed according to different electric quantity states when the fascia gun is charged, after the charging is completed and in use, so that a user can judge the electric quantity of the fascia gun at the moment.

Specifically, the light emitting component 4 includes a light emitting ring, a light emitting element, and a light emitting circuit board, and at this time, the light emitting circuit board and the battery circuit board 31 may be the same circuit board, and for convenience of description, they are collectively referred to as a battery circuit board 31. The battery circuit board 31 is perpendicular to the axial direction of the accommodating cavity 133, and because the accommodating cavity 133 is close to a cylindrical structure, the battery circuit board 31 is also of a circular-like structure, and the periphery of the battery circuit board is provided with a chamfer or a fillet. Be equipped with control chip, charging circuit and power management circuit etc. on battery circuit board 31, 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 effect of going out under control chip's control, in addition the light signal that the illuminating part sent should make the user can follow the battery circuit board 31 outside send out the ring department and receive, preferably, orientation after the illuminating part installation should be on a parallel with battery circuit board 31 plane, make light with send out the ring accept and be the right angle of 90, reinforcing display effect.

The installation mode of the luminous ring is as follows: the luminous ring is clamped between the rear cover 14 and the lengthening shell 13, is made of transparent materials, faces towards the end face of the lengthening shell 13 and is provided with an extending portion, the extending portion is clamped with the edge of the side wall of the lengthening shell 13, so that the luminous ring is preliminarily positioned with the lengthening shell 13, and then is provided with three fixing rings, fixing holes are formed in the fixing rings and correspond to the fixing holes of the lengthening shell 13 and the fixing holes of the rear cover 14. The fastening ring also has a fastening effect on the battery 2 or the battery circuit board 31. The rear cover 14, the luminous ring and the elongated shell 13 are fixedly connected through screws, and the luminous ring is further fixed. Therefore, if the battery 2 needs to be replaced, only the rear cover 14 and the light emitting ring need to be removed.

Referring to fig. 5-9, the housing further includes a handle 15, the handle 15 and the lower housing 12 are integrally formed, and a second cavity forming a certain angle with the transverse axial direction is formed in the handle 15, and the second cavity is communicated with the first cavity. The handle 15 with the smooth transition of junction of inferior valve 12 is the arc structure, can reduce the residue of outside casing spot, increases pleasing to the eye degree, promotes and holds the sense. Handle 15 lateral surface 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 sweat-absorbing shock attenuation material can be selected in the polygon district.

In a preferred embodiment, the drive assembly 5 comprises a motor 51 and a mounting frame 52, the motor 51 being located wholly or at least partially within the second cavity. The handle 15 with be equipped with a plurality of fixed posts 151 on the medial surface of the junction of inferior valve 12, preferably four, be the four corners setting of rectangle. The specific structure of the mounting bracket 52 can be various forms, and the mounting bracket 52 is detachably connected with the four fixing posts 151. The battery 2 is fixedly arranged on the mounting frame 52.

In other embodiments, in order to prevent the heat generated by the motor 51 during operation from being transferred to the first cavity, a heat insulation plate 53 is disposed on the mounting bracket 52, the heat insulation plate 53 extends along the outer side surface of the mounting bracket 52 for a circle or the heat insulation plate 53 is fixedly connected to the lower side surface of the mounting bracket 52, and the outer ring of the heat insulation plate 53 can be abutted against the inner side wall of the handle 15. The heat insulation plate 53 and the inner side wall of the handle 15 can form a sealed cavity, so that heat is prevented from being transferred to the inside of the first cavity, and the normal operation of components installed in the first cavity is prevented from being influenced.

In a preferred embodiment, a plurality of heat dissipation holes 152 are further disposed on an end of the handle 15 away from the lower case 12, each of the heat dissipation holes 152 may be circumferentially arranged, and heat generated by the motor 51 may be rapidly discharged through the heat dissipation holes 152.

More preferably, a fan may be disposed in the first cavity and/or the second cavity, the battery 2 supplies power to the fan, and when the fascial gun works, the fan starts to work at the same time, and the heat generated by the motor 51 is rapidly discharged from the first cavity through the heat dissipation hole 152.

More preferably, the end of the lower shell 12 close to the elongated shell 13 is also provided with mounting holes 121, and a fastener can pass through each mounting hole 121 to detachably connect the housing 131 and the lower shell 12.

In a preferred embodiment, the transmission assembly 6 includes an eccentric member 61 and a connecting rod 62, the eccentric member 61 is fixedly connected to the output end of the motor 51, rotates along with the output end of the motor 51, and is responsible for generating an eccentric power output, and the eccentric member 61 may be an eccentric wheel; one end of the connecting rod 62 is rotatably connected with the eccentric part 61, and a bearing is rotatably arranged on the eccentric part 61 for the connecting rod 62 and the eccentric part 61 to rotate more smoothly, and the connecting rod 62 is rotatably connected with the bearing. The eccentric member 61 and the connecting rod 62 may convert the rotational motion of the motor 51 into a linear reciprocating motion. The other end of the connecting rod 62 is connected with the piston assembly 7, and the piston assembly 7 is connected with the massage head 8, so that the massage head 8 can also realize linear reciprocating motion.

In a preferred embodiment, the upper case 11 and the lower case 12 may be fixed in a manner of: the outer surface of the lower shell 12 is provided with at least one groove 123, the groove 123 is internally provided with a second locking hole 124 penetrating through the outer wall of the lower shell 12, and the inner surface of the lower shell 12 is provided with a second mounting column 125 extending towards the first cavity at a position corresponding to the second locking hole 124. The inner surface of the upper shell 11 is provided with a first mounting column 113 formed by extending towards a first cavity, and the first mounting column 113 corresponds to the second mounting column 125; the end of the second mounting post 125 has a limiting protrusion distributed circumferentially, the inside of the limiting protrusion has a concave limiting groove, the inner diameter of the limiting groove gradually decreases, so that the inside of the limiting protrusion forms a structure with a large outside and a small inside, and the pre-mounting is more convenient. The first mounting post 113 has a first locking hole 114 at its end corresponding to the second locking hole 124, and the first locking hole 114 and the second locking hole 124 may be screw holes. The bottom of spacing groove has the mount table, and the mount table has the hole that runs through, with second locking hole 124 intercommunication, the screw penetrates in proper order second locking hole 124 with first locking hole 114 thread tightening. The length of the first mounting column 113 and the second mounting column 125 corresponds to the inner diameter of the first cavity, so that the shell can be perfectly attached during connection, and the limiting and pre-fixing can be realized during installation. After the screw fastening is completed, the groove 123 outside the second locking hole 124 can be sealed by using a sealing plug, so as to play a role in waterproof, dustproof and protection.

The edge of the upper shell 11 has a segmented or continuous sealing rim 112, and correspondingly, the edge of the lower shell 12 has a sealing groove 122 for embedding the sealing rim 112. The positions of the sealing rim 112 and the sealing groove 122 may be interchanged. When the upper shell 11 and the lower shell 12 are installed, the sealing edge 112 can be embedded in the sealing groove 122, so as to achieve sealing, and the position limitation and pre-fixing before screw fixing can be achieved through the sealing groove 122 and the sealing edge 112. In other embodiments, the sealing groove 122 and the sealing rim 112 may be stepped to further increase the sealing performance.

Referring to fig. 10-12, the piston assembly 7 includes a piston 71, a steel sleeve 72, a damping sleeve 73, a crimp ring 74, and a piston sleeve 75. One end of the piston 71 is fixedly connected with the connecting rod 62, and the piston 71 can move linearly and reciprocally along with the connecting rod 62.

In a preferred embodiment, the head cover 16 is fixedly connected with the front ends of the upper shell 11 and the lower shell 12 in a manner that: the rear end outside of skull 16 has the joint groove, epitheca 11 with the front end inboard of inferior valve 12 is equipped with the fixture block, works as epitheca 11 with when inferior valve 12 folds, the rear end of skull 16 is located epitheca 11 with between the inferior valve 12, just the fixture block corresponds embedding joint groove, and then will through the screw epitheca 11 with inferior valve 12 is fixed and is locked, skull 16 with epitheca 11 inferior valve 12 is fixed.

The front end of the main body is used for installing a massage head 8, the massage head 8 is fixedly connected to one end of the transmission assembly 6 through a massage head installation structure, and the other end of the transmission assembly 6 is connected with the driving assembly 5. The massage head mounting structure includes: the head cover 16, the massage head connecting piece, the shockproof sleeve 73, the steel sleeve 72, the crimping ring 74 and the piston 71, wherein the shockproof sleeve 73 and the steel sleeve 72 are nested, pressed into the head cover 16 by the crimping ring 74, and fixed in the head cover 16 through a fastening hole arranged on the surface of the crimping ring 74 through a fastening piece. Wherein the massage head connecting piece is fixedly connected with one end of a connecting sleeve of the transmission component 6. The massage head 8 is detachably connected to the massage head connecting member. The position of the head cover 16 facing the lower case 12 further has a semi-open stopper 164 protruding from the plane where the end of the head cover 16 is located, and the stopper 164 is a bottom-open "mouth" structure. The second limit post of the lower case 12 can pass through the opening, and the mounting hole of the second limit post corresponds to the second limit hole 165. The first position-limiting post corresponds to the first position-limiting hole 166, and the lower case 12 and the head cover 16 can be fixed using a fastener. The side of the head cover 16 has a stopper groove 161, and the stopper groove 161 corresponds to stopper edges of the upper case 11 and the lower case 12. The limiting groove 161 in this embodiment is not communicated with the first limiting hole 166 and the third limiting hole 163.

The head cover 16 has a third position-limiting hole 163 at a position close to the upper case 11, and the third position-limiting hole 163 corresponds to a third position-limiting pillar of the upper case 11. In addition, still have the groove 162 of stepping down, because the bolt that uses when connecting link 62 of transmission assembly 6 and adapter sleeve has certain height, when the link 62 of transmission assembly 6 drove the adapter sleeve reciprocating motion, the existence of the groove 162 of stepping down can provide the space of moving for the bolt.

When the head cover 16 is assembled, the piston 71, the shock-proof sleeve 73, and the steel sleeve 72 need to be pressed into the head cover 16 by the press-fit ring 74, and the press-fit ring 74 needs to have a stopper receiving groove for receiving a stopper of the head cover 16. The location of the crimp ring 74 for mounting fasteners also has fastener receiving slots, and the outer surface of the anti-rattle sleeve 73 also has fastener receiving slots for receiving fasteners.

The anti-vibration sleeve 73 and the steel sleeve 72 are arranged in the head cover 16, the head cover 16 is internally provided with an installation cavity for installing the anti-vibration sleeve 73 and the steel sleeve 72, the steel sleeve 72 is provided with a piston hole, and the piston 71 reciprocates in the piston hole. The front end of the shockproof sleeve 73 is wrapped on the front end of the steel sleeve 72, and the rear end of the shockproof sleeve 73 is wrapped on the rear end of the steel sleeve 72. The inner wall of the piston hole is provided with a longitudinal oil filling groove 721, one function of the shockproof sleeve 73 is to reduce the shock of the piston 71 during reciprocating motion, and the other function is to prevent the solid or paste lubricating oil in the oil filling groove 721 from being carried out of the piston hole during the back and forth movement of the piston body. Specifically, an annular step is arranged inside the front end of the shockproof sleeve 73, the annular step extends inwards, the inner diameter of the shockproof sleeve is equal to or slightly smaller than the inner diameter of the steel sleeve 72, and the front end face of the steel sleeve 72 can be abutted against the rear end face of the annular step, so that the front end face of the steel sleeve 72 can be completely covered by the surface of the annular step; the rear end of the shockproof sleeve 73 is internally provided with an annular groove, the rear end of the steel sleeve 72 is provided with an annular boss, the outer edge of the annular boss is embedded into the annular groove, the inner diameter of the rear end face of the shockproof sleeve 73 is equivalent to that of the steel sleeve 72, even can be slightly smaller than that of the steel sleeve 72, and the rear end face of the shockproof sleeve 73 can completely cover the rear end face of the annular boss.

The piston 71 comprises a piston main body and a connecting block, the piston main body is detachably connected with the connecting block through a screw, the tail end of the connecting block is rotatably connected with the front end of the connecting rod 62, and the piston main body is driven to reciprocate in the piston hole under the action of the connecting rod 62. The piston main body is of a hollow structure, so that the massage head 8 can be conveniently inserted and connected, and meanwhile, a screw connected with the connecting block is exposed. When in use, the massage head 8 is detached to expose the screw, the screw is screwed down by a tool, the piston main body is taken out, oil is injected into the oil injection groove 721, and then the piston main body is reset. The main function of the front and rear ends of the anti-vibration sleeve 73 wrapping the steel sleeve 72 is to prevent the solid or paste lubricating oil in the oil filling groove 721 from being carried out of the piston hole when the piston body moves back and forth, and to prolong the lubricating time.

A press-connection ring 74 is further disposed in the head cover 16, the press-connection ring 74 is located at the rear end of the shockproof sleeve 73 and is fixedly connected with the rear end of the head cover 16, specifically, the press-connection ring 74 is a triangular hollow structure and has three circumferential fixing holes, and a fastener penetrates through the fixing holes to fix the press-connection ring 74 at the rear end of the head cover 16 during implementation. The connecting block and the piston body can pass through the middle gap of the crimp ring 74 to reciprocate, and the main function of the crimp ring 74 is to limit the shockproof sleeve 73 and the steel sleeve 72 in the mounting cavity of the head cover 16.

By adopting the head cover 16 and the piston 71, lubrication can be conveniently added between the piston main body and the piston hole, a certain sealing effect can be achieved on the piston hole, the leakage of lubricating oil is reduced, cleanness and sanitation are realized, and the lubricating oil does not need to be frequently added; the effect of shock attenuation and noise reduction is better.

In another embodiment, the oil groove 721 may not be provided on the inner wall of the steel sleeve 72, but a piston sleeve 75 may be provided in the steel sleeve 72, the piston sleeve 75 may be fixedly provided in the steel sleeve 72, and the piston body may reciprocate in the piston sleeve 75. The piston sleeve 75 may be made of a smooth and wear resistant material.

Referring to fig. 13, the housing further includes a hump 17, and the hump 17 is integrally formed with the upper shell 11. The end part of the lower shell 12 close to the elongated shell 13 is provided with a buckle 111, and the buckle 111 is clamped in the clamping groove 135. The specific installation mode of the elongated shell 13, the upper shell 11 and the lower shell 12 is as follows: the buckle 111 of the upper shell 11 is firstly clamped in the clamping groove 135 of the elongated shell 13, and then a fastener passes through the mounting hole 121 to realize detachable connection. The upper shell 11 with the inferior valve 12 is close to still encircle on the tip of lengthening shell 13 and be equipped with a plurality of strengthening ribs, the strengthening rib with the medial surface butt of lengthening shell 13, in order to increase the upper shell 11 inferior valve 12 with the frictional force between the lengthening shell 13.

In a preferred embodiment, the fascial gun further comprises a display assembly and an operating assembly, which are preferably disposed within the hump 17. The display assembly mainly functions to display the remaining capacity of the battery 2 and the rotation speed level of the motor 51, and includes a display member 91 and a display circuit board 92. The operation assembly is used for controlling the rotating speed of the motor 51, the display assembly comprises an operation piece 93 and a main control board 94, and the main control board 94 is provided with a wiring port which is used for leading out a signal wire and is electrically connected with a display circuit board 92 and other structures. In this embodiment, the operating element 93 is a touch switch with elasticity and integrally formed with the cover plate, and a device (e.g., a metal spring) for transmitting a touch signal is disposed on the surface of the circuit board integrally formed with the cover plate. By pressing the operation member 93, the corresponding fascia gun operation logic can be realized. In this embodiment, the display circuit board 92 and the main control board 94 may be the same circuit board.

In a preferred embodiment, the display member 91 and the operation member 93 are both disposed on an upper side surface of the display circuit board 92. The hump 17 is hollow inside, a threaded hole is formed in the top surface of the hump 17, a threaded hole is also formed in the corresponding part of the display circuit board 92, the display circuit board 92 is fixedly connected with the top surface of the hump 17 through a fastening piece, and the display circuit board 92 is located inside the hump 17.

More preferably, the top surface of the hump 17 is provided with a display opening and an operation opening corresponding to the display member 91 and the operation member 93, and the display member 91 can pass through the display opening, so that the user can clearly see the information displayed by the display member 91 from the outside. The operating member 93 can also pass through the operating opening and extend to the outer side of the top surface of the hump 17, so that a user can press the operating member 93 conveniently.

In order to prevent the display member 91 and the operation member 93 from being damaged and prevent foreign matters such as external dust from entering the first cavity through the display port and the operation port, the housing further includes a protective cover 18, the protective cover 18 is fixedly connected to the uppermost end of the hump 17, and the protective cover 18 is located on the upper side of the top surface of the hump 17. And a display window and an operation button for displaying the display member 91 and pressing the operation member 93 are also provided at corresponding positions on the protective cover 18.

In a second embodiment, both the display assembly and the operating assembly may be located between the elongated housing 13 and the rear cover 14. Specifically, the display component and the operation component are located inside the rear cover 14, and a light-transmitting portion is provided at a position of the rear cover 14 corresponding to the display member 91, so that the content of the display member 91 can be transmitted through the rear cover 14 or the display surface of the display member 91 itself is exposed to the rear cover 14. A touch area is arranged at the position between the inner side of the rear cover 14 and the operating element 93, the rear cover 14 can be made of a hard material with a display area and a touch function, and when a user touches the corresponding position of the rear cover 14, the operating element 93 is pressed by a pressing block for operation. The outside of back lid 14 has the sign of plus sign and subtracting the sign, and the sign position corresponds with the position of pressing the briquetting, and convenience of customers discerns the operation. In a second embodiment, the hump 17 may not be provided, and the charging assembly 3 may be provided in the handle 15, and the lower end surface of the handle 15 may be provided with corresponding holes for charging and pressing switches.

Referring to the third embodiment shown in fig. 14-17, the display component is located on the side of the housing, and the operation component is located on the handle 15. The display assembly comprises a display 91 and a display circuit board 92, wherein the display 91 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 convenient installation, the display module is located at the junction of the upper shell 11 and the lower shell 12, and the part of the shell provided with the first cavity is defined as a main body. The side of main fuselage has first demonstration mounting groove 115 for the installation display element 91, display circuit board 92 is located first cavity, with display element 91 electricity is connected, display circuit board 92'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 display part 91 outside still has visor 18, visor 18 is light-transmitting structure, the outside edge of first display mounting groove 115 has the first installation edge that circumference distributes, the thickness on first installation edge is slightly thin and highly slightly less than the casing thickness on every side first display mounting groove 115 place surface, visor 18's internal surface border with the butt is followed in the first installation of first display mounting groove 115, can set up the leakproofness of sealing washer in order to strengthen the junction at junction between them to can use one or more modes such as bonding, joint to fix, guarantee the leakproofness of junction better.

The operating assembly includes the operating member 93 and the main control board 94, and further includes one or more operating buttons 95, and the operating buttons 95 may be disposed at any position of the handle 15, such as a side edge, an upper edge, and a lower edge, and preferably may be disposed at a position of the handle 15 close to the main body and at a lower side of the rear cover 14. Wherein, the position of the handle 15 close to the main body can be divided into an arc area or a polygonal area at the connection position. The operating button 95 corresponds to the operating element 93, and the main control board 94 includes a wiring port for leading out a signal line and electrically connected to the display circuit board 92 and other structures. In this embodiment, the operating element 93 is a key switch with elasticity, and the corresponding operating logic of the fascial gun can be realized by pressing the operating element 93. 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 plurality of operation buttons 95 may also have different functions, thereby realizing functions such as speed adjustment, power on and off, cold hot compress, and the like.

The operating element 93 is intended to interact with the user via an operating button 95 located on the outside thereof. The side of handle 15 has operating button mounting groove 153, operating button 95 is concentric round platform, corresponds key cap and annular border respectively, the key cap with annular border fixed connection, the annular border is followed the key cap is close to the border circumference distribution of main control board 94 one side. The diameter of the annular edge is larger than that of the keycap, and the outer diameter of the annular edge is larger than that of the operating button mounting groove 153. In addition, the diameter of the key cap should be smaller than that of the operation button mounting groove 153, which enables the annular rim of the operation button 95 to move on the inner surfaces of the operation member 93 and the operation button mounting groove 153, preventing falling off.

In this embodiment, in order to realize the interaction function, the inner surface of the operation button 95 should further have an abutting member 951, where the abutting member 951 may be one or more parallel or crossed strip-shaped structures, or may be a column-shaped structure, and the extreme end of the abutting member 951 abuts against the surface of the operation member 93, and when pressed, the force acting on the surface of the operation button 95 is indirectly applied to the operation member 93 through the action of the abutting member 951, so as to realize the interaction.

In this embodiment, the employed abutting pieces 951 are two mutually perpendicular abutting strips, and extend to the inner surface of the keycap, which is equivalent to a reinforcing rib, so that the strength of the keycap can be increased while the interaction is realized.

Referring to the fourth embodiment shown in fig. 18, the display component and the operation component are both located on the handle 15, the display component is located on the front side of the handle 15, and the operation component is located on the front side or the rear side of the handle 15. If the operating components are located on the front side of the handle 15, the display circuit board 92 and the main control board 94 may be the same circuit board and are collectively referred to as the display circuit board 92. The display element 91 and the operation element 93 are both arranged on the display circuit board 92, the protective cover 18 is of a light-transmitting structure and made of an elastic material, marks of plus signs and minus signs are arranged on the protective cover 18, and a user can press the operation element 93 by pressing the protective cover 18. If the operating assembly is located at the rear side of the handle 15, the display circuit board 92 and the main control board 94 may be two separate circuit boards and electrically connected by a wire harness. And the specific structure of the operation assembly is the same as the installation manner of the operation assembly in the third embodiment, and is not described herein again.

Of course, in other embodiments, the display assembly and the operating assembly may be both disposed on the left or right side of the handle 15, and it is preferable to dispose the display assembly and the operating assembly on the right side of the handle 15 in consideration of the majority 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 structures of the display assembly and the operation assembly are unchanged. The display assembly comprises a display part 91 and a display circuit board 92, the display circuit board 92 comprises a control chip, a plug connector and other related devices, the display part 91 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 fascial gun, the operation assembly comprises an operation part 93 and a main control board 94, and the operation part 93 can be a touch switch, a mechanical switch and other switch devices.

As shown in fig. 18, the display component is located at the front side of the handle 15, the operation component is located at the rear side of the handle 15 as an example, the front side of the handle 15 has a second display installation groove 154 penetrating through, the inner edge of the second display installation groove 154 has second installation edges distributed circumferentially, and the thickness of the second installation edge is slightly thinner than the thickness of the surrounding handle 15 and is slightly lower than the surface where the second display installation groove 154 is located. The display circuit board 92 is located in the second cavity, the display element 91 is located in the second display mounting groove 154, the protective cover 18 is further fixed outside the second display mounting groove 154, the protective cover 18 is of a light-transmitting structure, the protective cover 18 directly covers the second display mounting groove 154 from the outside of the handle 15, the edge of the protective cover is abutted to the second mounting edge of the second display mounting groove 154, or the outer edge of the second display mounting groove 154 is provided with second mounting edges distributed circumferentially, the outer surface edge of the protective cover 18 is provided with edges distributed circumferentially, the protective cover 18 can be mounted from the inside of the handle 15, the outer surface of the second mounting edge is abutted to the inner surface of the mounting edge of the second display mounting groove 154, a sealing ring can be arranged at the joint of the two to enhance the sealing performance of the joint, and can be fixed by using one or more modes such as bonding, clamping and the like, the sealing performance of the connection part is better ensured.

In this embodiment, the operating element 93 is a key switch with elasticity, and the corresponding operating logic of the fascial gun can be realized by pressing the operating element 93. 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.

In other embodiments that are not shown, the display component and the operation component are both located in the handle 15 and are disposed in a manner of being matched with the lower end surface of the handle 15, the specific structures of the display component and the operation component may refer to the above embodiments, and the installation structure may be adjusted correspondingly according to the above embodiments, which is not described again.

In some embodiments, the fascial gun further comprises a cold heat pack. The cold and hot compress component can be arranged in the massage head 8 or the lengthening shell 13 or the lower end of the handle 15.

Referring to the first embodiment shown in fig. 19, the fomentation assembly is disposed at the lower end of the handle 15. The shell further comprises a bottom cover 19 positioned at the lower end of the handle 15, and the cold and hot compress assembly is fixedly connected with the handle 15 through the bottom cover 19.

Specifically, the cold compress assembly includes a contact pad 96, a temperature control structure 97, a mounting plate 98, and a switch 99. The contact piece 96 is fixed on the outermost side of the bottom cover 19 for contacting with the human body and conducting heat, and preferably, the contact piece 96 used herein may be made of a material having good thermal conductivity and flame retardancy. The contact piece 96 is fixed in the bottom cover 19. The inner side of the bottom cover 19 is provided with a plurality of steps which are distributed circumferentially 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.

The switch 99 has three positions for switching and adjusting the temperature control structure 97, and cooperates with the mounting plate 98 to perform at least three functions of turning on, turning off, and switching between the cold and hot modes.

One side of the temperature control structure 97 is fixedly connected with the mounting plate 98, and the other side thereof is abutted against the contact piece 96. In this embodiment, the temperature control structure 97 is a semiconductor cooling plate, which has a small size, and can control cooling or heating by controlling the flowing current, and can control the magnitude of the current, thereby controlling the temperature variation range.

The cold and hot compress pack can independently have power supply, also can utilize battery 2 is as the power, mounting panel 98 also can with battery circuit board 31 is connected, and the lead-out wire can be followed mounting panel 98 with the clearance of casing is drawn forth. During the equipment cold and hot compress subassembly, can in proper order with contact piece 96 temperature control structure 97 with mounting panel 98 is fixed on the bottom 19, then will bottom 19 is fixed the lower extreme of handle 15, the inside of handle 15 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 wiring harness confusion of casing.

Referring to fig. 20, in a second embodiment, the cold and hot compress unit is disposed in the massage head 8. The massage head 8 comprises a massage head cover 81, a massage head rod 82 and a massage head bottom cover 83, the massage head cover 81 and the massage head rod 82 are connected and fixed by a clamping buckle, and the massage head bottom cover 83 and the massage head rod 82 are clamped and fixed. The first body of rod of massage 82 is interior and has the cavity of intercommunication between the first lid 81 of massage, and cold hot compress subassembly is located the cavity, and temperature control structure 97 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 flows in to can control the size through control current, thereby control temperature variation range. The temperature control structure 97 is attached to the massage head cover 81, and transmits the temperature to the human body with the massage head cover 81 as a contact surface with the human body. The mounting plate 98 is located in the cavity and is fixedly connected with the massage head cover 81 or the massage head rod body 82, the temperature switch is fixed on the side surface of the mounting plate 98, and a switch notch is formed in the corresponding position of the side edge of the massage head cover 81 and is used for the temperature switch to penetrate out of the massage head cover 81, so that the operation of a user is facilitated.

The power supply is arranged in the massage head rod body 82 along the transverse axis, the power supply can be a rechargeable battery, the charging wire is connected with a power supply charging port and a power supply, and the power supply charging port is fixed on the massage head bottom cover 83. When the massage head 8 is not used, the massage head 8 can be detached to charge the power supply independently. In this embodiment, the knocking function and the hot compress function of the massage head 8 can be independently operated.

In a third embodiment, the coldness and hotness pack is disposed within the elongated envelope 13. The present embodiment is substantially the same as the hot compress assembly of the first embodiment, except that: the cold and hot compress assembly is arranged between the elongated shell 13 and the rear cover 14.

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 (16)

1. A battery-backed fascia gun, comprising:

the shell comprises an upper shell (11), a lower shell (12) and a lengthened shell (13), wherein the upper shell (11) is fixedly connected with the lower shell (12), and the lengthened shell (13) is provided with an accommodating cavity (133);

and the battery (2) is fixedly arranged in the accommodating cavity (133).

2. The fascial gun of claim 1, wherein the elongated shell (13) comprises an outer shell (131) and an inner shell (132), the outer shell (131) is fixedly connected with the rear ends of the upper shell (11) and the lower shell (12), the inner shell (132) is fixedly arranged in the outer shell (131), and the accommodating cavity (133) is formed in the inner shell (132).

3. The fascia gun as recited in claim 2, wherein the upper casing (11) and the lower casing (12) form a first cavity opened along a transverse axis, a thread passing hole (134) is formed on an end portion of the inner casing (132) close to the upper casing (11), and the accommodating cavity (133) and the first cavity are communicated through the thread passing hole (134).

4. The fascia gun as claimed in claim 3, wherein a slot (135) is provided on the end of the outer shell (131) close to the upper shell (11), a buckle (111) is provided on the corresponding part of the upper shell (11), and the buckle (111) is clamped in the slot (135); mounting holes (121) are formed in the end part, close to the lower shell (12), of the shell (131) and the corresponding part of the lower shell (12), and the shell (131) is detachably connected with the lower shell (12) through fasteners;

or a clamping groove (135) is formed in the end part, close to the lower shell (12), of the shell (131), a buckle (111) is arranged at the corresponding part of the lower shell (12), and the buckle (111) is clamped in the clamping groove (135); the shell (131) is close to the end part of the upper shell (11) and the corresponding part of the upper shell (11) are respectively provided with a mounting hole (121), and the shell (131) is detachably connected with the upper shell (11) through a fastener.

5. Fascia gun according to claim 1, characterized in that the housing further comprises a rear cover (14), the fascia gun further comprising a charging assembly (3), the charging assembly (3) being fixedly arranged in the elongated housing (13), the rear cover (14) being fixedly arranged on the end of the elongated housing (13) remote from the upper housing (11); the charging assembly (3) comprises a battery circuit board (31), a charging head (32) and a charging switch (33), the charging head (32) and the charging switch (33) are arranged on the battery circuit board (31), a corresponding charging hole (141) and a corresponding switch hole (142) are formed in the rear cover (14), the charging head (32) is embedded in the charging hole (141), and the charging switch (33) penetrates through the switch hole (142) and extends to the outer side of the rear cover (14).

6. The fascia gun according to claim 1, wherein the fascia gun further comprises a light emitting assembly (4), wherein the light emitting assembly (4) is located between the rear end of the elongated housing (13) and the rear cover (14) of the housing, and wherein the light emitting assembly (4) is electrically connected to the battery (2).

7. The fascial gun of claim 1, wherein the housing further comprises a handle (15), wherein the handle (15) is integrally formed with the inferior shell (12), and wherein the handle (15) has a second cavity therein at an angle to the lateral axis.

8. The fascia gun as recited in claim 7, further comprising a driving assembly (5) and a transmission assembly (6), wherein the driving assembly (5) is at least partially fixedly disposed in the second cavity, the transmission assembly (6) is disposed in the upper casing (11) and the lower casing (12), and one end of the transmission assembly (6) is rotatably connected to an output end of the driving assembly (5).

9. The fascia gun as claimed in claim 8, wherein the driving assembly (5) comprises a motor (51) and a mounting frame (52), a plurality of fixing columns (151) are arranged at the joint of the handle (15) and the lower shell (12), the mounting frame (52) is fixedly connected with each fixing column (151), and the motor (51) is fixedly arranged on the mounting frame (52); the axial direction of the output end of the motor (51) is perpendicular to the transverse axis.

10. The fascia gun as claimed in claim 9, wherein the outer side of the mounting frame (52) is further provided with a heat insulation plate (53), and the heat insulation plate (53) extends along the outer side of the mounting frame (52) for a circle and is arranged in abutment with the inner side of the handle (15).

11. The fascia gun according to claim 9, wherein the transmission assembly (6) comprises an eccentric member (61) and a connecting rod (62), the eccentric member (61) is fixedly connected with the output end of the motor (51), and one end of the connecting rod (62) is rotatably connected with the eccentric member (61); the transmission assembly (6) is located on the front side of the battery (2).

12. The fascia gun according to claim 1, wherein the housing further comprises a head cover (16), the head cover (16) being fixedly connected with the upper shell (11) and the lower shell (12); the fascial gun further comprises a piston assembly (7), wherein the piston assembly (7) comprises a piston (71), a steel sleeve (72), a shockproof sleeve (73) and a crimping ring (74), the shockproof sleeve (73) is fixedly arranged in the head cover (16), the steel sleeve (72) is fixedly arranged in the shockproof sleeve (73) in a penetrating way, and the piston (71) is arranged in the steel sleeve (72) in a sliding way; the compression joint ring (74) is located at the rear end of the shockproof sleeve (73) and fixedly connected with the rear end of the head cover (16) and used for limiting the shockproof sleeve (73) and the steel sleeve (72) in the head cover (16).

13. Fascia gun according to claim 12, characterized in that the fascia gun further comprises a massage head (8), one end of the massage head (8) is located outside the head cover (16), and the other end passes through the head cover (16) and is fixedly connected with the piston (71).

14. The fascia gun according to claim 1, wherein the fascia gun further comprises a cold heat pack disposed within the massage head (8) of the fascia gun or disposed on the elongated housing (13) or on the bottom surface of the handle (15) of the housing.

15. The fascia gun as recited in claim 1, wherein the housing further comprises a hump (17), the hump (17) being integrally formed with the upper shell (11); the fascia gun further comprises a display component and an operation component;

the display assembly is positioned on a rear cover (14) of the shell or positioned on the side surface of a main body of the shell or positioned on the top surface of a hump (17) of the shell or positioned on the side surface of a handle (15) of the shell or positioned at the bottom of the handle (15) of the shell;

the operating component is positioned on a rear cover (14) of the shell or positioned on the main body side surface of the shell or positioned on the top surface of a hump (17) of the shell or positioned on the handle (15) side surface of the shell or positioned at the bottom of the handle (15) of the shell;

the display component and the operation component are jointly positioned on a rear cover (14) of the shell or positioned on the side surface of the shell or positioned on the top surface of a hump (17) of the shell or positioned on the side surface of a handle (15) of the shell or positioned at the bottom of the handle (15) of the shell.

16. The fascia gun as claimed in claim 12, wherein an oil filling groove (721) for placing lubricating oil is formed on the inner surface of the steel sleeve (72) by recessing along the thickness direction thereof, the surface of the piston (71) is disposed in contact with the lubricating oil in the oil filling groove (721), and the shock-proof sleeves (73) cover both ends of the steel sleeve (72).

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