CN213526340U

CN213526340U - Fascia gun

Info

Publication number: CN213526340U
Application number: CN202021698386.5U
Authority: CN
Inventors: 王聪辉; 李晓彬
Original assignee: Ogawa Intelligent Health Technology Group Co Ltd; Zhangzhou Easepal Industrial Co Ltd
Current assignee: Ogawa Intelligent Health Technology Group Co Ltd; Zhangzhou Easepal Industrial Co Ltd
Priority date: 2020-08-14
Filing date: 2020-08-14
Publication date: 2021-06-25
Anticipated expiration: 2030-08-14

Abstract

The utility model relates to a massage equipment field discloses a manadesma rifle, include: the fascia gun comprises a fascia gun body, a driving module and a massage rod, wherein an installation cavity is arranged inside the fascia gun body, an installation opening communicated with the installation cavity is formed in the fascia gun body, and a power supply module and a control circuit module are arranged in the installation cavity; the driving module comprises a driving motor, an eccentric wheel, a driving connecting rod and a sliding shaft; a linear bearing is arranged on the mounting opening, and the sliding shaft penetrates through the linear bearing; the driving motor drives the sliding shaft to reciprocate along the axial direction of the linear bearing through the eccentric wheel and the driving connecting rod; the massage portion includes connecting portion and massage head, and the one end sliding shaft of connecting portion can be dismantled the connection, and the other end of connecting portion is fixed with the massage head, and the inside of massage head is equipped with the cold and hot piece, and the cold and hot piece is connected with the control circuit module electricity, the utility model discloses in set up a cold and hot piece at the massage head, the massage effect of effectual improvement manadesma rifle has improved the travelling comfort that uses the manadesma rifle.

Description

Fascia gun

Technical Field

The utility model relates to a massage equipment field, especially a manadesma rifle.

Background

The fascia is distributed throughout the body and is divided into three types, namely superficial fascia, middle fascia and deep fascia, wherein the superficial fascia is positioned under the skin, namely subcutaneous fascia and is composed of loose connective tissue, fat, superficial veins, cutaneous nerves, superficial lymph nodes, lymphatic vessels and the like are contained in the fascia, the middle fascia refers to the fascia wrapping the muscles, and the deep fascia is positioned on the deep surface of the superficial fascia and is also called inherent fascia and is composed of dense connective tissue.

After people exercise, when needing to recover and prevent looseness of muscles, the fascia gun can be used for relaxing the muscles, however, the existing fascia gun is simple in mechanical vibration massage and single in function, the curative effect is general, the head of the massage head generally does not have the function of switching different cold and hot effects, the cold and hot effects of the massage head cannot be adjusted according to different seasonal temperatures, time or occasions, and the comfort of the fascia gun is reduced.

SUMMERY OF THE UTILITY MODEL

Therefore, a fascia gun is needed, which solves the problem that the fascia gun has a single function and cannot switch different cold and hot effects.

To achieve the above object, the present invention provides a fascia gun, comprising:

the fascia gun comprises a fascia gun body, wherein an installation cavity is arranged inside the fascia gun body, an installation opening communicated with the installation cavity is formed in the fascia gun body, a power supply module and a control circuit module are arranged in the installation cavity, and the control circuit module is electrically connected with the power supply module;

the driving module comprises a driving motor, an eccentric wheel, a driving connecting rod and a sliding shaft; a linear bearing is arranged on the mounting opening, and the sliding shaft penetrates through the linear bearing; the driving motor is arranged in the mounting cavity and drives the eccentric wheel to rotate, one end of the driving connecting rod is connected with the sliding shaft, and the other end of the driving connecting rod is connected with the eccentric wheel; the driving connecting rod drives the sliding shaft to reciprocate along the axial direction of the linear bearing;

the massage part comprises a connecting part and a massage head, one end of the connecting part is detachably connected with one end of the sliding shaft, which is far away from the driving connecting rod, and the other end of the connecting part is connected with the massage head; the sliding shaft is provided with a power transmission end which is electrically connected with the control circuit module; the massage head is characterized in that the connecting portion is provided with a power receiving end, the power receiving end is electrically connected with the power transmission end, and the massage head is internally provided with a cold and hot sheet and is electrically connected with the power receiving end.

Further, a matching groove is formed in the side wall of the linear bearing and penetrates through the inner side surface and the outer side surface of the linear bearing, and the matching groove extends along the axis direction of the linear bearing and penetrates through two ends of the linear bearing. Offer the problem of solution sliding shaft and linear bearing cooperation precision that the cooperation groove can be fine on linear bearing's lateral wall, the linear bearing who offers the cooperation groove has certain tension, can the fit clearance of auto-match and sliding shaft for the cooperation of support bearing and sliding shaft can not exist the cooperation too pine, the noise is big or the cooperation is too tight power high, influence product life's the condition, the effectual use that improves the device is experienced, and guarantee having longer life of product.

Further, the driving module further comprises a bearing sleeve, the bearing sleeve is fixed on the mounting opening, the linear bearing is a flange bearing, and the linear bearing is sleeved in the bearing sleeve. The bearing sleeve facilitates the installation of the linear bearing, so that the device is more stable in operation.

Further, the massage head includes lower cover, upper cover and massage apron, and the lower cover is with the one end fixed connection of connecting portion, upper cover and lower cover are each other covered and are closed and inside formation places the chamber, the cold and hot piece is fixed and is placed the intracavity, cover on and be equipped with the heat transfer mouth, the position of heat transfer mouth is corresponding with the position of cold and hot piece, and massage apron lid closes and sets up on the heat transfer mouth and contact with cold and hot piece. When the massage fascia gun operates, the massage cover plate directly hits and contacts the body part, one side surface of the cold and hot sheet directly contacts with the massage cover plate, and the cold and hot effects of the cold and hot sheet are conducted to the massage part through the massage cover plate.

Further, a heat-conducting aluminum seat is arranged in the placing cavity, a mounting seat is arranged on the heat-conducting aluminum seat, the cold and hot fins are fixed on the mounting seat, heat-radiating fins surrounding the mounting seat are arranged on the heat-conducting aluminum seat, and a plurality of heat-radiating holes are formed in the upper cover and the lower cover.

When the peltier effect takes place for cold and hot piece, partly will produce the heat for refrigeration effect another part, when cold and hot piece produced refrigeration effect to the massage apron, cold and hot piece another part will produce the heat, and the heat that can produce cold and hot piece of heat conduction aluminium seat is derived fast, and the design of radiating fin and louvre is also for deriving the heat from placing the intracavity for the operation that cold and hot piece can be stable.

Further, the lateral wall on the connecting portion is equipped with annular fixed recess, the cover is equipped with the flexible rubber sleeve on the fixed recess, be equipped with convex annular cooperation circle on the side of flexible rubber sleeve, be equipped with annular cooperation recess on the inside wall of the fixed orifices of sliding shaft, cooperation circle and cooperation recess looks block. When connecting portion were embedded into the fixed orifices of sliding shaft, with the cooperation circle on the flexible glue cover and cooperation recess looks block, strengthened the fixed action of connecting portion with the sliding shaft, prevent the motion in-process, massage portion breaks away from with the sliding shaft for the operation of device is more stable.

Further, a limiting block is arranged on the fixed groove, a limiting hole is formed in the soft rubber sleeve, the limiting hole corresponds to the limiting block in position, a limiting groove is formed in one end, close to the massage head, of the sliding shaft, the limiting block penetrates through the limiting hole, and the limiting block is clamped with the limiting groove. After the limiting block penetrates through the limiting hole and is clamped with the limiting groove in the sliding shaft, the effect of fixing the soft rubber sleeve can be achieved, the position of the soft rubber sleeve is prevented from changing, and the effect of limiting the connecting portion can be achieved.

Further, the sliding shaft is provided with a fixing hole, the opening of the fixing hole is an arc chamfer, and the connecting part is embedded into the fixing hole. The arc chamfer design can conveniently make the more smooth and easy entering fixed orifices of massage head, prevents that the massage head from being scraped to leading to wearing and tearing by the sharp limit of fixed orifices.

Furthermore, the power receiving end is an elastic needle seat, the power receiving end is two conductive elastic sheets, a connecting hole is formed in the connecting portion, the elastic needle seat is fixed in a fixing hole of the sliding shaft and comprises two connecting terminals, one ends of the two conductive elastic sheets are fixedly connected with the two connecting terminals respectively, the other ends of the two conductive elastic sheets are electrically connected with the positive electrode and the negative electrode of the cold and hot sheet respectively, a lead connecting hole is formed in the side wall of the sliding shaft, and the connecting terminals are electrically connected with the control circuit module.

Furthermore, a wire connecting hole is formed in the side wall of the sliding shaft, the wiring terminal is connected with a wire, and the wire penetrates through the wire connecting hole to be electrically connected with the control circuit module. The interior concealed inside at connecting portion of electrically conductive shell fragment for the product is more succinct from the outward appearance, and vibrations are most violent at the junction of during operation connecting portion and sliding shaft, compare in the wire with play the connection of needle file, and electrically conductive shell fragment is more firm with the fixed connection's of play needle file junction, is favorable to the stable operation of cold and hot piece.

The technical scheme has the following beneficial effects:

in the utility model, the driving motor drives the massage part to continuously reciprocate through the sliding shaft, so that the massage head continuously hits the massage part to realize the massage effect on human fascia; in addition, when the cold and hot pieces are heated, the massage heads can effectively promote blood circulation, play a role in relaxing tendons and activating collaterals and relieving muscle stiffness, and when the cold and hot pieces are cooled, the massage heads contact with the pain or inflammation swelling and pain part of the body, so that pain and local inflammation reaction can be effectively relieved.

Drawings

Fig. 1 is an overall structure view of a massage fascia gun according to an embodiment.

Fig. 2 is a schematic view of the internal structure of the fascial gun body according to an embodiment.

Fig. 3 is a schematic structural diagram of the driving module and the massage part according to the embodiment.

Fig. 4 is a structural diagram illustrating the installation of the internal structure of the fascial gun body according to the embodiment.

Fig. 5 is a schematic view of an internal structure of the sliding shaft according to the embodiment.

Fig. 6 is a schematic structural diagram of a linear bearing according to an embodiment.

Fig. 7 is a cross-sectional view of the drive module and massage portion according to an embodiment.

Fig. 8 is an exploded view of the massage part according to the embodiment.

Fig. 9 is a schematic diagram of a circuit connection diagram according to an embodiment.

Description of reference numerals:

1. a fascia gun body; 11. a mounting cavity; 12. an installation port; 13. a control circuit module; 14. a heat dissipation area; 15. a heat dissipating through hole; 16. a power supply module; 17. a switch module;

2. a massage part;

21. a connecting portion; 211. fixing the groove; 212. a soft rubber sleeve; 2121. a mating ring; 2122. a limiting hole; 213. a limiting block;

22. a massage head; 221. a lower cover; 222. a heat conductive aluminum base; 2221. a heat dissipating fin; 2222. a mounting seat; 223. a cold-hot plate; 224. an upper cover; 225. a massage cover plate; 226. heat dissipation holes; 227. a heat transfer port; 228. a placement chamber;

23. a needle ejecting seat; 231. a wiring terminal; 232. a conductive spring plate;

3. a drive module; 31. a drive motor; 32. a drive link; 33. a sliding shaft; 331. a fixing hole; 332. a limiting groove; 333. a wire connection hole; 334. a mating groove; 335. chamfering with an arc; 34. a linear bearing; 341. a mating groove; 35. a bearing housing; 36. an eccentric wheel.

Detailed Description

To explain technical contents, structural features, and objects and effects of the technical solutions in detail, the following detailed description is given with reference to the accompanying drawings in conjunction with the embodiments.

Referring to fig. 1-9, the present embodiment provides a fascial gun, comprising: the fascia gun comprises a fascia gun body 1, a driving module 3 and a massage part 2, wherein the fascia gun body 1 is internally provided with an installation cavity 11, the fascia gun body 1 is provided with an installation opening 12 communicated with the installation cavity 11, the installation cavity 11 is internally provided with a power supply module 16, a control circuit module 13 and a switch module 17, and the control circuit module 13 is respectively and electrically connected with the power supply module 16 and the switch module 17; specifically, the fascia gun body 1 is provided with a handheld grab handle, one side surface of the fascia gun body 1 is a heat dissipation area 14, the control circuit module 13 in the installation cavity 11 corresponds to the heat dissipation area 14, the heat dissipation area 14 is provided with a heat dissipation through hole 15, and further, the position of the fascia gun body 1 surrounding the installation opening 12 is also provided with the heat dissipation through hole 15. The heat dissipation through hole 15 is beneficial to the discharge of heat in the mounting cavity 11 and the smooth and stable operation of the control circuit module 13, and a fixing clamping column is arranged in the mounting cavity 11 and used for fixing the power module 16.

The driving module 3 comprises a driving motor 31, a driving connecting rod 32, a sliding shaft 33, an eccentric wheel 36 and a bearing sleeve 35, wherein the bearing sleeve 35 is fixed on the mounting opening 12, a linear bearing 34 is arranged in the bearing sleeve 35, and the bearing sleeve 35 can enable the linear bearing 34 to be mounted more conveniently.

The driving motor 31 is arranged in the mounting cavity 11, an output shaft of the driving motor 31 is connected with the eccentric wheel 36, one end of the driving connecting rod 32 is connected with the eccentric wheel 36, the other end of the driving connecting rod 32 is connected with one end of the sliding shaft 33, the other end of the sliding shaft 33 is embedded in the linear bearing 34, one end of the sliding shaft 33 embedded in the linear bearing 34 is provided with a fixing hole 331, the driving motor 31 drives the sliding shaft 33 to reciprocate along the axial direction of the linear bearing 34, and the driving motor 31 is electrically connected with the control circuit module 13 through a conducting wire.

When the fascia gun works, the sliding shaft 33 does piston telescopic motion in the linear bearing 34 under the drive of the drive motor 31, so the operation noise of the fascia gun is greatly determined by the precision of the fit clearance of the sliding shaft 33 and the flange bearing, and in practice, due to the influence of various conditions such as machining errors, thermal expansion and cold contraction of materials and the like, the fit clearance is difficult to control within the required tolerance, the large noise during operation can occur when the fit is too loose, and the abnormal sound is accompanied, thereby bringing poor massage experience to users; the power is too high when the matching is too tight, and even the motor generates heat and generates smoke due to overload, and other major potential safety hazards are caused. In this embodiment, an annular engaging groove 341 is formed in a side wall of the linear bearing 34, the engaging groove 341 penetrates through an inner side surface and an outer side surface of the linear bearing 34, and the engaging groove 341 extends along an axial direction of the linear bearing 34 and penetrates through both ends of the linear bearing 34. Specifically, the width of cooperation groove 341 is 1.5mm, set up the problem of solution sliding shaft 33 and the 34 cooperation precision of linear bearing that cooperation groove 341 can be fine on linear bearing 34's lateral wall, the linear bearing 34 of seting up cooperation groove 341 has certain tension, can automatic fitting and sliding shaft 33's cooperation clearance, make support bearing and sliding shaft 33's cooperation can not exist the too loose noise of cooperation big or the too tight power of cooperation is high or influence the defect that influences product life, the effectual use experience that improves the device, the life of product has been promoted.

The massage part 2 comprises a connecting part 21 and a massage head 22, one end of the connecting part 21 is embedded and fixed in a fixing hole 331 of the sliding shaft 33, the other end of the connecting part 21 is fixed with the massage head 22, and an opening of the fixing hole 331 of the sliding shaft 33 is an arc chamfer 335. The arc chamfer 335 is designed to facilitate the smooth entering of the massage head 22 into the fixing hole 331, preventing the massage head 22 from being scraped by the sharp edge of the fixing hole 331 to cause abrasion.

The massage head 22 includes a lower cover 221, an upper cover 224 and a massage cover plate 225, the lower cover 221 is fixedly connected with one end of the connecting portion 21, the upper cover 224 and the lower cover 221 are mutually covered and the inside forms a placing cavity 228, a heat conducting aluminum seat 222 is arranged in the placing cavity 228, a mounting seat 2222 is arranged on the heat conducting aluminum seat 222, a cold and hot sheet 223 is fixed on the mounting seat 2222, the cold and hot sheet 223 is a semiconductor cold and hot sheet, a heat radiating fin 2221 surrounding the mounting seat 2222 is arranged on the heat conducting aluminum seat 222, a plurality of heat radiating holes 226 are arranged on the upper cover 224 and the lower cover 221, a heat transfer port 227 is arranged on the upper cover 224, the position of the heat transfer port 227 corresponds to the position of the cold and hot sheet 223, the massage cover plate 225 is covered on the heat transfer port 227 and is in contact with the cold and hot sheet 223, and the. The specific cold-hot piece 223 is a rectangular plate-shaped structure, one side of the cold-hot piece 223 is fixed on the fixing seat, the other side of the cold-hot piece 223 is in contact with the massage cover plate 225, two sides of the cold-hot piece 223 are respectively the positive and negative electrodes of the cold-hot piece 223, when the cold-hot piece 223 generates peltier effect, one side is refrigeration effect, the other side generates heating effect, when the cold-hot piece 223 generates heat absorption to the massage cover plate 225 to generate refrigeration effect, the other part of the cold-hot piece 223 radiates heat, the heat generated by the cold-hot piece 223 can be rapidly conducted out by the heat conduction aluminum seat 222, the heat radiation fins 2221 and the heat radiation holes 226 are also designed to conduct the heat out from the placing cavity 228, so that the cold-hot piece 223 can stably run, the massage cover plate 225 can be made of materials with high heat transfer, such as stainless steel or aluminum alloy materials.

Because the cold-hot plate 223 is arranged on the massage head 22, the weight of the massage head 22 is increased, when the sliding shaft 33 drives the massage part 2 to move at high speed, the massage part 2 is easily separated from the mounting hole of the sliding shaft 33, in this embodiment, the outer side wall of the connecting part 21 is provided with the annular fixing groove 211, the fixing groove 211 is arranged at one end of the connecting part 21 close to the massage head 22, the fixing groove 211 is sleeved with the soft rubber sleeve 212, the side surface of the soft rubber sleeve 212 is provided with the convex annular matching ring 2121, the soft rubber sleeve 212 and the matching ring 2121 are of an integrated structure, the inner side wall of the fixing hole 331 of the sliding shaft 33 is provided with the annular matching groove 334, and the matching ring 2121 is clamped with the matching groove 334. When the connecting portion 21 is inserted into the fixing hole 331 of the sliding shaft 33, the fitting ring 2121 on the soft rubber sleeve 212 is engaged with the fitting groove 334, so that the fixing function of the connecting portion 21 and the sliding shaft 33 is enhanced, the massage portion 2 is prevented from being separated from the sliding shaft 33 in the movement process, and the operation of the device is more stable.

The fixed groove 211 is provided with a limit block 213, the soft rubber sleeve 212 is provided with a limit hole 2122, the position of the limit hole 2122 corresponds to the position of the limit block 213, one end of the sliding shaft 33 close to the massage head 22 is provided with a limit groove 332, the limit block 213 passes through the limit hole 2122, and the limit block 213 is clamped with the limit groove 332. After the limiting block 213 passes through the limiting hole 2122 and is engaged with the limiting groove 332 on the sliding shaft 33, the function of fixing the soft rubber sleeve 212 can be achieved, the position of the soft rubber sleeve 212 is prevented from changing, and the function of limiting the connecting portion 21 can also be achieved.

Massage portion 2 is equipped with the portion of receiving electricity, be equipped with the end of transmitting electricity on sliding shaft 33, the end of receiving electricity links to each other with the end of transmitting electricity, the end of transmitting electricity is connected with control circuit module 13 wire, the end of receiving electricity is connected with cold and hot piece 223 wire, the end of transmitting electricity is bullet needle file 23 in this embodiment, the end of receiving electricity is two electrically conductive shell fragments 232, connecting portion 21 inside is equipped with the connecting hole, bullet needle file 23 is fixed in sliding shaft 33's fixed orifices 331, include two binding post 231 on the bullet needle file 23, the one end of two electrically conductive shell fragments 232 and two binding post 231 fixed connection respectively, the other end of two electrically conductive shell fragments 232 passes through the wire and is connected with the positive negative pole electricity of cold and hot piece 223 respectively, wire connecting hole 333 has been seted up on sliding. The connection circuit between the cold-hot plate 223 and the control circuit module 13 can be divided into three parts, the first part is from the cold-hot plate 223 to the conductive elastic sheet 232, the second part is from the conductive elastic sheet 232 to the connection terminal 231 of the elastic needle seat 23, and the third part is from the elastic needle seat 23 to the control circuit module 13. In this scheme, hide in first portion and the second part inside massage portion 2, make the product more succinct from the outward appearance, in addition, first portion and third part are the wire connection, can reserve some reserves when the installation more, in order to adapt to the motion of sliding shaft 33, can set up the through-hole on the heat conduction aluminium seat 222, make things convenient for the wire of first portion to pass and connect cold and hot piece 223 and electrically conductive shell fragment 232, the second part is hidden in the inside of connecting portion 21, vibrations are most violent at the during operation, compare in the wire joint with bullet needle holder 23's being connected, electrically conductive shell fragment 232 is more firm with the fixedly connected junction of bullet needle holder 23, make things convenient for the circular telegram of connecting circuit.

In this embodiment, the switch module 17 includes a motor switch, a refrigeration switch and a heating switch, which respectively controls the on/off of the driving motor 31, the on/off of the refrigeration state of the cold/hot plate 223 and the on/off of the heating state of the cold/hot plate 223, the power module 16 is a storage battery, the control circuit module 13 is used for controlling the on/off of the driving motor 31 and the cold/hot plate 223, wherein the control circuit module 13 controls the refrigeration and heating states of the cold/hot plate 223 by controlling the change of the on current of the cold/hot plate 223, the control circuit module 13 can use the control circuit module 13 of the STM32 series, and the specific model can be STM32H743IIT 6.

The driving motor 31 drives the massage part 2 to do continuous reciprocating motion through the sliding shaft 33, so that the massage head 22 continuously strikes the massage part to realize the massage effect on human fascia, in the massage process, the cold and hot sheets 223 control the direction of the electrified current through the control circuit module 13, according to the Peltier effect, the current directions are different, the cold and hot sheets 223 can respectively generate the cooling and heat releasing effects, so that the massage head 22 has the cooling and heating functions, and when the cold and hot sheets 223 heat, the massage head 22 can effectively promote blood circulation, play a role in relaxing tendons and activating collaterals and relieving muscle stiffness; when the cold and hot sheet 223 cools, the massage head 22 can effectively relieve pain and local inflammatory reaction when contacting with the pain or inflammation swelling and pain part of the body.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or terminal that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or terminal. Without further limitation, an element defined by the phrases "comprising … …" or "comprising … …" does not exclude the presence of additional elements in a process, method, article, or terminal that comprises the element. Further, herein, "greater than," "less than," "more than," and the like are understood to exclude the present numbers; the terms "above", "below", "within" and the like are to be understood as including the number.

Although the embodiments have been described, once the basic inventive concept is known, other changes and modifications can be made to the embodiments by those skilled in the art, so that the above embodiments are only examples of the present invention, and not intended to limit the scope of the present invention, and all the modifications of the equivalent structure or equivalent flow path using the contents of the specification and the drawings of the present invention, or directly or indirectly using other related technical fields are also included in the scope of the present invention.

Claims

1. A fascial gun, comprising:

2. The fascia gun as claimed in claim 1, wherein the linear bearing has a side wall formed with a fitting groove extending through the inner and outer side surfaces of the linear bearing, the fitting groove extending along the axial direction of the linear bearing and extending through both ends of the linear bearing.

3. The fascial gun of claim 1 or claim 2, wherein the drive module further comprises a bearing sleeve, the bearing sleeve is fixed on the mounting opening, the linear bearing is a flange bearing, and the linear bearing is sleeved in the bearing sleeve.

4. The fascia gun as claimed in claim 1, wherein the massage head comprises a lower cover, an upper cover and a massage cover plate, the lower cover is fixedly connected with one end of the connecting part, the upper cover and the lower cover are mutually covered and form a placing cavity inside, the cold-hot sheet is fixed in the placing cavity, the upper cover is provided with a heat transfer port, the position of the heat transfer port corresponds to the position of the cold-hot sheet, and the massage cover plate is covered on the heat transfer port and is contacted with the cold-hot sheet.

5. The fascial gun of claim 4, wherein a heat-conducting aluminum seat is further arranged in the placing cavity, a mounting seat is arranged on the heat-conducting aluminum seat, the cold and hot sheets are fixed on the mounting seat, heat-radiating fins surrounding the mounting seat are arranged on the heat-conducting aluminum seat, and a plurality of heat-radiating holes are arranged on the upper cover and the lower cover.

6. The fascia gun as claimed in claim 1, wherein the outer side wall of the connecting portion is provided with an annular fixing groove, the fixing groove is sleeved with a soft rubber sleeve, the side surface of the soft rubber sleeve is provided with a convex annular matching ring, the inner side wall of the fixing hole of the sliding shaft is provided with an annular matching groove, and the matching ring is engaged with the matching groove.

7. The fascia gun as claimed in claim 6, wherein the fixing groove is provided with a limiting block, the soft rubber sleeve is provided with a limiting hole, the limiting hole corresponds to the limiting block, one end of the sliding shaft close to the massage head is provided with a limiting groove, the limiting block passes through the limiting hole, and the limiting block is engaged with the limiting groove.

8. The fascial gun of claim 1, wherein the sliding shaft is provided with a fixing hole, the opening of the fixing hole is a circular arc chamfer, and the connecting part is embedded in the fixing hole.

9. The fascial gun of claim 8, wherein the power receiving end is a bullet needle holder, the power receiving end is two conductive elastic pieces, and a connecting hole is formed in the connecting part; the elastic pin seat is fixed in a fixing hole of the sliding shaft and comprises two wiring terminals, one ends of the two conductive elastic pieces are fixedly connected with the two wiring terminals respectively, the other ends of the two conductive elastic pieces are electrically connected with the positive electrode and the negative electrode of the cold and hot piece respectively, and the wiring terminals are electrically connected with the control circuit module.

10. The fascia gun as claimed in claim 9, wherein a wire connecting hole is formed on a side wall of the sliding shaft, the wire connecting terminal is connected with a wire, and the wire passes through the wire connecting hole to be electrically connected with the control circuit module.