CN114748781A

CN114748781A - Needle head assembly and microneedle drum-type skin physiotherapy instrument

Info

Publication number: CN114748781A
Application number: CN202210395207.8A
Authority: CN
Inventors: 张彧
Original assignee: Individual
Current assignee: Individual
Priority date: 2021-06-02
Filing date: 2022-04-14
Publication date: 2022-07-15
Anticipated expiration: 2042-04-14
Also published as: CN113350684A; CN114748782A; CN114748781B; CN114748782B

Abstract

The invention discloses a needle head component and a microneedle drum-type skin physiotherapy instrument, wherein the needle head component comprises: the neck support comprises a support body, a first power supply part and a second power supply part; the micro-needle roller comprises a roller body, a first mounting piece and a second mounting piece, a plurality of first micro-needles and a plurality of second micro-needles are arranged on the outer peripheral surface of the roller body, the first micro-needles and the second micro-needles are arranged at intervals, the first mounting piece and the second mounting piece are respectively mounted on the support body, the first end of the roller body is rotatably mounted on the first mounting piece, the second end of the roller body is rotatably mounted on the second mounting piece, the first micro-needle electric connection first power supply portion and the second micro-needle electric connection second power supply portion are respectively arranged on the outer peripheral surface of the roller body. The needle assembly can apply a pulsed micro-current to the skin to improve muscle and tissue conditions.

Description

Needle head assembly and microneedle drum-type skin physiotherapy instrument

Technical Field

The application relates to the technical field of microneedle physiotherapy, in particular to a needle head assembly and a microneedle drum-type skin physiotherapy instrument.

Background

The beauty equipment is one of the most popular medical instruments in the market, so that the beauty equipment is always concerned by consumers, particularly skin physiotherapy instruments for improving skin, and most of the skin physiotherapy instruments in the market at present are skin physiotherapy instruments for promoting skin regeneration and recovery by penetrating micro needles with nutrient solution into the surface layer of the skin.

Chinese patent CN112691012A discloses a three-dimensional integrative autologous prosthetic devices of micropin, including taking to put, micropin rolling device, heating device, small-size power and humidification device, the micropin rolling device is located on the device of taking, heating device locates on the micropin rolling device, humidification device links to each other with the device of taking. Although the device is provided with the small power supply, the small power supply heats the small micro-needle through the heating device, the touch feeling of the face of a user is better after the small micro-needle is heated, the device is still a traditional physiotherapy instrument, and the physiotherapy effect is to be further improved.

The existing micro-needle physiotherapy instrument can not realize deeper and more effective physiotherapy and needs to be improved.

Disclosure of Invention

The invention provides the needle head assembly and the microneedle drum-type skin physiotherapy instrument for solving the problems, and the microneedle drum-type skin physiotherapy instrument can effectively stimulate the skin and realize better physiotherapy effect by improving the microneedle drum.

The invention is realized by adopting the following technical scheme:

a needle assembly comprising:

the neck support comprises a support body, a first power supply part and a second power supply part, wherein the first power supply part and the second power supply part are arranged on the support body;

The micro-needle roller comprises a roller body, a first mounting piece and a second mounting piece, wherein the roller body is provided with a first end and a second end which are opposite, a plurality of first micro-needles and a plurality of second micro-needles are arranged on the outer peripheral surface of the roller body, the first micro-needles and the second micro-needles are arranged at intervals, the first mounting piece and the second mounting piece are respectively arranged on the bracket body, the first end of the roller body is rotatably arranged on the first mounting piece, the second end of the roller body is rotatably arranged on the second mounting piece, the first micro-needles are electrically connected with the first power supply part, and the second micro-needles are electrically connected with the second power supply part.

In one embodiment, the needle assembly further comprises a first contact member and a second contact member, the first contact member is mounted in the roller body, the first micro-needle is electrically connected with the first power supply portion through the first contact member, and the second micro-needle is electrically connected with the second power supply portion through the second contact member.

In one embodiment, the microneedle roller comprises a plurality of first microneedle pieces and a plurality of second microneedle pieces, the first microneedle pieces and the second microneedle pieces are respectively in a wafer shape, the first microneedles are uniformly distributed on the outer peripheral surface of the first microneedle pieces, the second microneedles are uniformly distributed on the outer peripheral surface of the second microneedle pieces, the first microneedle pieces and the second microneedle pieces are arranged at intervals in the extending direction from the first end to the second end of the roller body, and the first microneedle pieces and the second microneedle pieces are arranged in an insulating mode.

In one embodiment, the first micro-needle sheets and the second micro-needle sheets are alternately arranged at equal intervals in the extending direction from the first end to the second end of the roller body.

In one embodiment, the first microneedle sheet is provided with a first perforation and a second perforation which penetrate through two sides of the first microneedle sheet, the first perforation of the first microneedle sheet is used for allowing the first contact piece to penetrate through and enabling the first contact piece to be electrically connected with the first microneedle on the first microneedle sheet through the first microneedle sheet, and the second perforation of the first microneedle sheet is used for allowing the second contact piece to penetrate through and enabling the second contact piece and the first microneedle sheet to be arranged in an insulating mode;

the second micro-needle sheet is provided with a third perforation and a fourth perforation which penetrate through two sides of the second micro-needle sheet, the third perforation of the second micro-needle sheet is used for enabling the second contact piece to penetrate through and enabling the second contact piece to be electrically connected with a second micro-needle on the second micro-needle sheet through the second micro-needle sheet, and the fourth perforation of the second micro-needle sheet is used for enabling the first contact piece to penetrate through and enabling the first contact piece and the second micro-needle sheet to be arranged in an insulating mode.

In one embodiment, the roller body comprises a first outer flange, a second outer flange and a plurality of inner flanges positioned between the first outer flange and the second outer flange, the first microneedle is sandwiched between the first outer flange and the inner flanges, or between the second outer flange and the inner flanges, or between adjacent inner flanges, and the second microneedle is sandwiched between the first outer flange and the inner flanges, or between the second outer flange and the inner flanges, or between adjacent inner flanges.

In one embodiment, the microneedle roller further comprises a first pin shaft and a first fixing block which are connected, and a second pin shaft and a second fixing block which are connected, wherein the first pin shaft is rotatably installed on the first installation part, the second pin shaft is rotatably installed on the second installation part, the first contact element is installed on the first fixing block, the second contact element is installed on the second fixing block, the first end of the roller body is rotatably installed on the first installation part through the first pin shaft and the first fixing block, and the second end of the roller body is rotatably installed on the second installation part through the second pin shaft and the second fixing block.

In one embodiment, the microneedle roller comprises two first contacts and two second contacts,

the first fixed block comprises two first fan-shaped blocks with opposite inner sides and a first ring block connected with the two first fan-shaped blocks, a first mounting hole used for mounting one end of a first contact element is formed in each first fan-shaped block, the first ring block is used for being connected with a first pin shaft, and a hole between the two opposite first fan-shaped blocks is used for avoiding one end of a second contact element;

the second fixed block comprises two second fan-shaped blocks with opposite inner sides and a second ring block connected with the two second fan-shaped blocks, a second mounting hole used for mounting one end of a second contact element is formed in each second fan-shaped block, the second ring block is used for being connected with a second pin shaft, and a hole between the two opposite second fan-shaped blocks is used for avoiding one end of the first contact element.

In one embodiment, the first contact is electrically connected with the first power supply portion through the first segment, the first pin shaft and the first mounting piece in sequence, and the second contact is electrically connected with the second power supply portion through the second segment, the second pin shaft and the second mounting piece in sequence.

In one embodiment, the roller body includes a first outer flange, a second outer flange, and a plurality of inner flanges between the first outer flange and the second outer flange, a side of the first outer flange facing the inner flange is provided with a hole for mounting one end of the first fixing block and the second contact member, and a side of the second outer flange facing the inner flange is provided with a hole for mounting one end of the second fixing block and the first contact member.

In one embodiment, a first conductive plating layer and a second conductive plating layer are disposed on the microneedle roller, the first microneedles are electrically connected to the first power supply portion through the first conductive plating layer, and the second microneedles are electrically connected to the second power supply portion through the second conductive plating layer.

In one embodiment, the first conductive plating layer is disposed on the surface of or embedded in the microneedle roller, and the second conductive plating layer is disposed on the surface of or embedded in the microneedle roller;

Defining a plurality of first microneedles which are positioned on the same radial plane as a first circumferential microneedle set and a plurality of second microneedles which are positioned on the same radial plane as a second circumferential microneedle set in the circumferential direction of the microneedle drum, wherein the microneedle drum is provided with a plurality of first circumferential microneedle sets and a plurality of second circumferential microneedle sets, the first circumferential microneedle sets and the second circumferential microneedle sets are alternately arranged at intervals, or the plurality of first circumferential microneedle sets are adjacently arranged at intervals, the plurality of second circumferential microneedle sets are adjacently arranged at intervals, and the plurality of first circumferential microneedle sets and the plurality of second circumferential microneedle sets are arranged at intervals; or,

in the axial direction of the microneedle roller, a plurality of first microneedles on the same axial plane are defined as a first axial microneedle set, a plurality of second microneedles on the same axial plane are defined as a second axial microneedle set, the microneedle roller is provided with a plurality of first axial microneedle sets and a plurality of second axial microneedle sets, the first axial microneedle sets and the second axial microneedle sets are alternately arranged at intervals, or the plurality of first axial microneedle sets are arranged at intervals, the plurality of second axial microneedle sets are arranged at intervals, and the plurality of first axial microneedle sets and the plurality of second axial microneedle sets are arranged at intervals.

A microneedle drum-type skin physiotherapy instrument comprises the needle head assembly.

In one embodiment, the neck support further comprises an electrode elastic sheet and a circuit board, the circuit board is provided with an identification module and a power supply module, the circuit board and the electrode elastic sheet are accommodated in the neck support, and the electrode elastic sheet, the first power supply portion and the second power supply portion are electrically connected with the power supply module of the circuit board.

In one embodiment, the neck support comprises two electrode elastic sheets, two accommodating grooves for fixedly accommodating the electrode elastic sheets are respectively arranged on two sides of the inner wall of the neck support, and elastic limiting protrusions are arranged on the electrode elastic sheets.

In one embodiment, the microneedle roll-type skin physiotherapy apparatus further comprises:

a housing;

the liquid filling device is positioned in the shell and is used for containing and atomizing a solution;

the control assembly is used for driving the liquid filling device to atomize the solution, the atomized solution is discharged out of the shell through the atomizing conduction channel of the neck support, and the control assembly is also used for supplying pulse alternating electric signals to the first power supply part and the second power supply part of the neck support.

In one embodiment, the liquid filling apparatus includes:

the liquid storage bin is used for pre-loading liquid, the solution storage bin is provided with a liquid outlet, and the piston rod is used for driving the solution in the solution storage bin to move towards the liquid outlet;

the atomization assembly comprises an atomization upper cover, an atomization sheet and a conductive block, the atomization upper cover is fixedly arranged at the liquid outlet, a liquid supply channel communicated with the liquid outlet is formed in the atomization upper cover, the atomization sheet is arranged on the liquid supply channel, and the atomization sheet is used for atomizing a solution; the conducting block holds in the atomizing upper cover and be used for supplying power for the atomizing piece, the atomizing upper cover is provided with runs through inside and outside spacing hole, the syringe needle subassembly with liquid filling device pairs the use, neck support mounting is back on micropin drum-type skin physiotherapy equipment, some holding of electrode shell fragment is in the spacing downthehole of atomizing upper cover, the conducting block is connected through electrode shell fragment electricity to the power module of circuit board, micropin drum-type skin physiotherapy equipment passes through the identification module of circuit board acquires the information of liquid filling device and carries out the physiotherapy mode that corresponds with the information of liquid filling device.

In one embodiment, the neck support comprises two electrode elastic sheets, and two accommodating grooves for fixedly accommodating the electrode elastic sheets are respectively arranged on two sides of the inner wall of the neck support;

two limiting holes are formed in two sides of the atomization upper cover, the atomization assembly comprises two conductive blocks, the neck support is mounted on the microneedle drum-type skin physiotherapy instrument, and each limiting protrusion of the electrode elastic sheet is respectively accommodated in one limiting hole of the atomization upper cover and electrically connected with one conductive block.

In one embodiment, the microneedle drum-type skin physiotherapy instrument further comprises a fixed seat, a switching circuit board and a switching terminal, wherein the fixed seat, the switching circuit board and the switching terminal are accommodated in the shell, the liquid filling device is detachably accommodated in the fixed seat, the switching circuit board and the switching terminal are arranged on the fixed seat, and the switching circuit board is used for electrically connecting the circuit board and the control component through the switching terminal.

In one embodiment, an opening is formed in one end, close to the piston rod, of the fixing seat, a bearing is arranged on the inner edge of the opening of the fixing seat, and a power adapter is arranged in the bearing and used for being coupled with the piston rod and the driving shaft and transmitting the power of the driving shaft to the piston rod.

In one embodiment, the control assembly comprises:

the main control circuit board is positioned in the shell and is provided with an induction module matched with the identification module;

the driving motor is provided with a driving shaft, and the driving shaft is used for driving the piston rod to move;

the switch button is arranged on the shell and connected with the main control circuit board, and the switch button is used for controlling the operation of the driving motor through the main control circuit board.

Compared with the prior art, the invention has the beneficial effects that at least:

according to the needle head assembly of the microneedle drum-type skin physiotherapy instrument, the neck support and the microneedle drum are arranged, the first power supply part and the second power supply part can provide pulse alternating electric signals for the microneedle drum, pulse micro-current with opposite polarities is applied to skin, the skin is stimulated, pores are enlarged, the blood flow speed is accelerated, and the skin absorbs nutrient solution and physiotherapy solution, so that microneedles on the microneedle drum are reused as elements which are matched with the pulse micro-current and apply the pulse micro-current with opposite polarities, the physiotherapy performance of the electric microneedle drum-type skin physiotherapy instrument is remarkably improved, the muscle and tissue states are improved through the stimulation of the micro-current, and the body function can be well maintained.

Drawings

The present application is further described below with reference to the drawings and examples.

Fig. 1A is a schematic structural view of a microneedle drum-type skin physiotherapy apparatus according to an embodiment of the present invention.

Fig. 1B is a schematic structural view of a microneedle roll-type skin physiotherapy apparatus removing protective case according to an embodiment of the present invention.

Fig. 2 is a schematic view of the liquid filling apparatus and the needle assembly of the embodiment of the present invention in a mated configuration.

Fig. 3 is a schematic view of a needle assembly of an embodiment of the present invention.

Fig. 4 is a schematic view of the needle assembly of the embodiment of the present invention with a portion of the structure omitted.

FIG. 5 is a schematic view of another perspective view of the needle assembly of the present invention.

Fig. 6 is an exploded schematic view of a microneedle roller of an embodiment of the present invention.

Fig. 7 is a schematic structural view of a liquid filling apparatus according to an embodiment of the present invention.

Fig. 8 is a schematic structural view of a liquid filling apparatus according to an embodiment of the present invention.

Fig. 9 is a partial cross-sectional schematic view of a liquid tube and a holder as mated in accordance with an embodiment of the invention.

Fig. 10 is a schematic structural view of a microneedle roller according to an embodiment of the present invention.

Fig. 11 is another schematic structural view of a microneedle roller according to an embodiment of the present invention.

Fig. 12 is a schematic view of yet another structure of a microneedle roller according to an embodiment of the present invention.

In the figure: 1. a housing; 11. a switch button; 12. a protective shell; 2. a neck support; 21. a stent body; 221. a first power supply unit; 222. a second power supply unit; 23. an electrode spring; 24. a circuit board; 25. a containing groove; 3. a microneedle drum; 31. a drum body; 311. a first microneedle; 312. a second microneedle; 313. a first outer flange; 314. a second outer flange; 315. an inner flange; 321. a first mounting member; 322. a second mount; 331. a first contact member; 332. a second contact member; 341. a first microneedle sheet; 3411. a first perforation; 3412. a second perforation; 342. a second microneedle sheet; 3421. a third perforation; 3422. a fourth perforation; 351. a first pin shaft; 352. a first fixed block; 3521. a first segment; 3522. a first annular block; 361. a second pin shaft; 362. a second fixed block; 3621. a second segment; 3622. a second annular block; 37. a pin; 41. a liquid pipe; 42. a piston rod; 43. an atomizing upper cover; 431. a limiting hole; 432. a bevel; 44. an atomizing sheet; 45. a conductive block; 51. a fixed seat; 52. a bearing; 53. a power adapter.

Detailed Description

The present application is further described with reference to the accompanying drawings and the detailed description, and it should be noted that, in the present application, the embodiments or technical features described below may be arbitrarily combined to form a new embodiment without conflict.

Referring to fig. 1A to 12, the present embodiment provides a microneedle drum-type skin physiotherapy apparatus including a housing 1, a needle assembly, a liquid filling device, and a control assembly. The needle assembly comprises a neck support 2 and a microneedle roller 3.

Neck support 2's one end setting is at the one end opening part of shell 1, and micropin cylinder 3 rotationally sets up on neck support 2 and is located the shell 1 outside, and neck support 2 has the atomizing passageway that switches on.

Referring to fig. 4, in a specific embodiment, the neck brace 2 includes a brace body 21 and first and second

power supply parts

221 and 222 mounted on the brace body 21. The holder body 21 is made of, for example, a plastic material, the first power supply part 221 and the second power supply part 222 are, for example, pogo pins disposed on the neck holder 2, the first power supply part 221 and the second power supply part 222 are used for supplying a pulse alternating electrical signal to the microneedle cylinder 3, specifically, at the same time, the first power supply part 221 supplies a micro-current of a first electrical polarity (for example, a positive electrode) to the microneedle cylinder 3, and the second power supply part 222 supplies a micro-current of an opposite second electrical polarity (for example, a negative electrode) to the microneedle cylinder 3; at the next moment, the first power supply part 221 supplies the micro-current of the second electric polarity (for example, the negative electrode) to the microneedle drum 3, and the second power supply part 222 supplies the micro-current of the first electric polarity (for example, the positive electrode) to the microneedle drum 3, so that the supply of the pulse alternating electric signal is realized in a cyclic reciprocating manner. As an example, the voltage of the pulse current is approximately 5 volts, and the current intensity is less than 1mA by adopting a current supply mode of direct current pulse square waves.

Referring to fig. 3 to 6, the microneedle roller 3 includes a roller body 31, first and second mounting

parts

321 and 322, and may further include first and

second contact members

331 and 332, first and second

microneedle chips

341 and 342, first and

second pins

351 and 352, and

second pins

361 and 362.

The roller body 31 has opposite first end and second end, be provided with a plurality of first micropins 311 and a plurality of second micropins 312 on the outer peripheral face of roller body 31, first micropins 311 and second micropins 312 set up at interval, micropins length dimension can set for 0.3-1.5mm, can also be equipped with a detachable protective housing 12 on the neck support 2, and the roller body 31 outside is located to protective housing 12 cover, and protective housing 12 is used for protecting the micropins.

The first mounting member 321 and the second mounting member 322 are respectively mounted on the bracket body 21, and the first mounting member 321 and the second mounting member 322 are respectively made of metal members capable of conducting electricity, the first end of the roller body 31 is rotatably mounted on the first mounting member 321, the second end of the roller body 31 is rotatably mounted on the second mounting member 322, the first micro-needle 311 is electrically connected to the first power supply part 221, the second micro-needle 312 is electrically connected to the second power supply part 222, for example, the first contact 331 is installed in the drum body 31, the first micro-needle 311 may be electrically connected to the first power supply portion 221 through the first contact 331, the first contact 331 may be connected to the first micro-needle 311 and the first power supply portion 221 through a wire, the second contact 332 is installed in the roller body 31, the second micro-needle 312 may be electrically connected to the second power supply portion 222 through the second contact 332, and the second contact 332 may be connected to the second micro-needle 312 and the second power supply portion 222 through a wire.

From this, through exert the pulse microcurrent that the electric polarity is opposite to skin, skin receives the stimulation, the pore is enlarged, the blood velocity of flow accelerates, skin accelerates to nutrient solution and physiotherapy liquid's absorption, reuse the micropin on the micropin cylinder 3 for the component of exerting the pulse microcurrent that the electric polarity is opposite with the little electric current matched with of pulse from this, both combine, show the physiotherapy performance that has improved electronic micropin cylinder formula skin physiotherapy equipment, through the stimulation of microcurrent, muscle and tissue state are improved, thereby can better keep organism function.

In a specific embodiment, the microneedle cylinder 3 includes a plurality of first microneedle pieces 341 and a plurality of second microneedle pieces 342, the first microneedle pieces 341 and the second microneedle pieces 342 are respectively in a disc shape, the plurality of first microneedles 311 are uniformly distributed on an outer circumferential surface of the first microneedle pieces 341, the plurality of second microneedles 312 are uniformly distributed on an outer circumferential surface of the second microneedle pieces 342, the plurality of first microneedle pieces 341 and the plurality of second microneedle pieces 342 are arranged at intervals in an extending direction from a first end to a second end of the cylinder body 31, and the first microneedle pieces 341 and the second microneedle pieces 342 are arranged in an insulating manner. Therefore, by arranging the plurality of first micro-needle sheets 341 and the plurality of second micro-needle sheets 342, the first micro-needles 311 and the second micro-needles 312 are conveniently arranged, the first micro-needles 341 and the second micro-needle sheets 342 can be made of metal materials, the first micro-needles 311 can be electrically connected with the first contact pieces 331 through the first micro-needle sheets 341, the second micro-needles 312 can be electrically connected with the second contact pieces 332 through the second micro-needle sheets 342, the first micro-needle sheets 341 and the second micro-needle sheets 342 are not required to be connected through electric wires, the structural design is simplified, the conduction of the first micro-needles 311 and the second micro-needles 312 can be effectively avoided, and the reliability of the electric micro-needle drum type skin physiotherapy instrument is improved.

As a preferable mode, the plurality of first microneedle pieces 341 and the plurality of second microneedle pieces 342 are alternately arranged at equal intervals in the extending direction from the first end to the second end of the roller body 31, so that the first microneedles 311 and the second microneedles 312 can be uniformly distributed on the roller body 31, the stimulation concentration of micro-current is avoided, the alternating micro-current applied to the skin in contact by the first microneedles 311 and the second microneedles 312 is more uniform, the uniform micro-current acts on the skin, the user experience is better, and the user experience can be effectively improved.

In one embodiment, the first microneedle sheet 341 is provided with a first through hole 3411 and a second through hole 3412 penetrating through two sides of the first microneedle sheet 341, the first through hole 3411 of the first microneedle sheet 341 is used for the first contact 331 to pass through and electrically connecting the first contact 331 with the first microneedle 311 on the first microneedle sheet 341 through the first microneedle sheet 341, an inner diameter of the first through hole 3411 of the first microneedle sheet 341 may match an outer diameter of the first contact 331 so that the first microneedle sheet 341 can be electrically connected with the first contact 331, the second through hole 3412 of the first microneedle sheet 341 is used for the second contact 332 to pass through and electrically insulating the second contact 332 from the first microneedle sheet 341, the inner diameter of the second through hole 3412 of the first microneedle sheet 341 may be larger than the outer diameter of the second contact 332, and the second contact 332 does not contact with the first microneedle sheet 341 when passing through the second through hole 3412 of the first microneedle sheet 341, so that the first micro-needle chip 341 is not in contact with the second contact 332 and is kept insulated, or an insulating material is provided on an outer surface of the second contact 332 at a position corresponding to the second perforation 3412 of the first micro-needle chip 341 so that the first micro-needle chip 341 is kept insulated from the second contact 332.

The second micro-needle plate 342 has a similar structure to the first micro-needle plate 341, the second micro-needle plate 342 is provided with a third perforation 3421 and a fourth perforation 3422 penetrating through two sides of the second micro-needle plate 342, the third perforation 3421 of the second micro-needle plate 342 is used for the second contact 332 to penetrate and electrically connect the second contact 332 to the second micro-needle 312 of the second micro-needle plate 342 through the second micro-needle plate 342, an inner diameter of the third perforation 3421 of the second micro-needle plate 342 may be matched with an outer diameter of the second contact 332 so that the second micro-needle plate 342 can be electrically connected to the second contact 332, the fourth perforation 3422 of the second micro-needle plate 342 is used for the first contact 331 to penetrate and electrically connect the first contact 331 to the second micro-needle plate 342, an inner diameter of the fourth perforation 3422 of the second micro-needle plate 342 may be larger than the outer diameter of the first contact 331, and the first contact 331 does not contact the second micro-needle plate 342 when the first contact 331 penetrates through the fourth perforation 3422 of the second micro-needle plate 342, thereby the second micro-needle blade 342 is not contacted with the first contact 331 and is kept insulated, or an insulating material is provided on the outer surface of the first contact 331 at a position corresponding to the fourth perforation 3422 of the second micro-needle blade 342 to keep the second micro-needle blade 342 insulated from the first contact 331.

Therefore, by using the first micro-needle chip 341 and the second micro-needle chip 342 having the above-described structure, it is possible to effectively connect the first contact 331 and the first micro-needle chip 341 and effectively connect the second contact 332 and the second micro-needle chip 342, and to simultaneously achieve the insulating arrangement between the first contact 331 and the second micro-needle chip 342 and the insulating arrangement between the second contact 332 and the first micro-needle chip 341, and also facilitate the mounting of the first contact 331 and the second contact 332.

In a specific embodiment, the drum body 31 includes a first outer flange 313, a second outer flange 314, and a plurality of inner flanges 315 located between the first outer flange 313 and the second outer flange 314, the first micro-needle sheet 341 is sandwiched between the first outer flange 313 and the inner flanges 315, or between the second outer flange 314 and the inner flanges 315, or between adjacent inner flanges 315, and the second micro-needle sheet 342 is sandwiched between the first outer flange 313 and the inner flanges 315, or between the second outer flange 314 and the inner flanges 315, or between adjacent inner flanges 315. By adopting the above structure, the first micro-pin sheet 341 and the second micro-pin sheet 342 are coaxially disposed with the first outer flange 313, the second outer flange 314 and the plurality of inner flanges 315, and are sandwiched between the flanges, which not only facilitates installation, but also facilitates the insulation of the first micro-pin sheet 341 and the second micro-pin sheet 342, and facilitates the first contact member 331 and the second contact member 332 to pass through and be fixed on the roller body 31 by disposing through holes on the first outer flange 313, the second outer flange 314 and the plurality of inner flanges 315.

In one embodiment, the microneedle cylinder 3 further includes a first pin 351 and a first fixing block 352 connected to each other, and a second pin 361 and a second fixing block 362 connected to each other, the first fixing block 352 and the second fixing block 362 are similar in structure, the first pin 351 is rotatably mounted to the first mounting member 321, the second pin 361 is rotatably mounted to the second mounting member 322, for example, the first mounting part 321 and the second mounting part 322 are respectively provided with a pin hole, one end of the first pin 351 is rotatably installed in the pin hole of the first mounting part 321, one end of the second pin 361 is rotatably installed in the pin hole of the second mounting part 322, thereby realizing the rotational connection, alternatively, a pin 37 is respectively arranged in the pin holes of the first mounting part 321 and the second mounting part 322, one end of the first pin 351 is rotatably mounted on the pin 37 corresponding to the first mounting part 321, and one end of the second pin 361 is rotatably mounted on the pin 37 corresponding to the second mounting part 322.

The first contact member 331 is mounted on the first fixing block 352, for example, fixedly connected thereto, the second contact member 332 is mounted on the second fixing block 362, for example, fixedly connected thereto, the first end of the drum body 31 is rotatably mounted on the first mounting member 321 through the first pin 351 and the first fixing block 352, and the second end of the drum body 31 is rotatably mounted on the second mounting member 322 through the second pin 361 and the second fixing block 362. Therefore, when the microneedle drum-type skin physiotherapy apparatus is used, the drum body 31 rolls on the skin by using the first pin 351 and the second pin 361 as rotating shafts, and applies an alternating micro-current to the skin to improve the state of muscles and tissues.

In a specific embodiment, referring to fig. 6, the microneedle roller 3 comprises two first contacts 331 and two second contacts 332, and a line between the two first contacts 331 and a line between the two second contacts 332 intersect, preferably perpendicularly.

The first fixing block 352 comprises two first fan-shaped blocks 3521 with opposite inner sides and a first ring-shaped block 3522 connecting the two first fan-shaped blocks 3521, the first fan-shaped blocks 3521 are approximately fan-shaped, one end of a short arc of each of the two first fan-shaped blocks 3521 is connected with the first ring-shaped block 3522 and is arranged oppositely, a first mounting hole (not shown) for mounting one end of the first contact piece 331 is formed in each of the first fan-shaped blocks 3521, the first ring-shaped block 3522 is used for connecting the first pin 351, the first pin 351 can be electrically connected with the first contact piece 331 through the first fixing block 352, and an aperture between the two opposite first fan-shaped blocks 3521 is used for avoiding one end of the second contact piece 332, so that the second contact piece 332 is prevented from being electrically connected with the first fixing block 352.

The second fixing block 362 includes two second fan-shaped blocks 3621 opposite to each other at the inner side and a second ring block 3622 connecting the two second fan-shaped blocks 3621, the second fan-shaped blocks 3621 are approximately fan-shaped, the short arc ends of the two second fan-shaped blocks 3621 are respectively connected with the second ring block 3622 and are oppositely arranged, a second mounting hole (not shown) for mounting one end of a second contact element 332 is formed in the second fan-shaped block 3621, the second ring block 3622 is used for connecting a second pin shaft 361, the second pin shaft 361 can be electrically connected with the second contact element 332 through the second fixing block 362, and a hole between the two opposite second fan-shaped blocks 3621 is used for avoiding one end of the first contact element 331, so that the first contact element 331 is prevented from being electrically connected with the second fixing block 362.

Therefore, the reliability of the connection between the first contact 331 and the first microneedle 311 and the reliability of the connection between the second contact 332 and the second microneedle 312 can be improved by using the two first contact 331 and the two second contact 332, and the first fixing block 352 and the second fixing block 362 adopting the above structure not only facilitate the installation of the two first contact 331 and the two second contact 332, the first pin 351 and the second pin 361, but also effectively avoid the electrical connection between the first contact 331 and the second fixing block 362 and the electrical connection between the second contact 332 and the first fixing block 352, and effectively ensure that the pulse alternating electrical signals supplied by the first power supply part 221 and the second power supply part 222 are accurately transmitted to the first microneedle 311 and the second microneedle 312.

In one embodiment, the first contact 331 is electrically connected to the first power supply portion 221 sequentially through the first segment 3521, the first pin 351 and the first mounting element 321, the second contact 332 is electrically connected to the second power supply portion 222 sequentially through the second segment 3621, the second pin 361 and the second mounting element 322, and all the above components may be made of conductive metal, so that it is not necessary to electrically connect the first contact 331 and the first power supply portion 221 and electrically connect the second contact 332 and the second power supply portion 222 through wires, the structural design is simplified, and the reliability of the electric microneedle drum-type skin physiotherapy apparatus is improved.

In one embodiment, the roller body 31 includes a first outer flange 313, a second outer flange 314, and a plurality of inner flanges 315 between the first outer flange 313 and the second outer flange 314, a side of the first outer flange 313 facing the inner flange 315 is provided with holes for mounting one ends of a first fixing block 352 and a second contact member 332, a side of the second outer flange 314 facing the inner flange 315 is provided with holes for mounting one ends of a second fixing block 362 and a first contact member 331, whereby the first fixing block 352 may be pressed into the holes of the first outer flange 313, the second fixing block 362 may be pressed into the holes of the second outer flange 314, and synchronous rotation of the first pin 351 and the second pin 361 and the first outer flange 313 and the second outer flange 314 is achieved, and simultaneously, both ends of the first contact member 331 are respectively mounted in the holes of the first fixing block 352 and the second outer flange 314, both ends of the second contact member 332 are respectively mounted in the holes of the second fixing block 362 and the first outer flange 313, one end of the first contact member 331 and one end of the second contact member 332 are no longer suspended, so that the first contact member 331 and the second fixed block 362 are effectively prevented from being electrically connected, the second contact member 332 and the first fixed block 352 are prevented from being electrically connected, and the pulse alternating electrical signals supplied by the first power supply portion 221 and the second power supply portion 222 are effectively ensured to be accurately transmitted to the first micro-needle 311 and the second micro-needle 312.

In another embodiment, a first conductive plating layer (not shown) and a second conductive plating layer (not shown) are disposed on the microneedle cylinder 3, wherein the first conductive plating layer and the second conductive plating layer may be copper metal layers, the first conductive plating layer may be disposed on the surface of the microneedle cylinder 3 or embedded in the microneedle cylinder 3, the second conductive plating layer may be disposed on the surface of the microneedle cylinder 3 or embedded in the microneedle cylinder 3, the first conductive plating layer and the second conductive plating layer may be formed on the microneedle cylinder 3 by a metal coating method, such as electroplating, evaporation, and the like, the first microneedles 311 are electrically connected to the first power supply portion 221 through the first conductive plating layer, and the second microneedles 312 are electrically connected to the second power supply portion 222 through the second conductive plating layer.

Therefore, the first power supply part 221 can apply pulse micro-current with opposite electric polarity to the first micro-needle 311 and the second micro-needle 312 through the first conductive plating layer and the second power supply part 222 can apply pulse micro-current with opposite electric polarity to the first micro-needle 311 and the second micro-needle 312 through the second conductive plating layer, the skin is stimulated, pores are enlarged, the blood flow rate is increased, the skin can absorb nutrient solution and physiotherapy solution quickly, therefore, micro-needles on the micro-needle roller 3 are multiplexed into elements which are matched with the pulse micro-current and apply the pulse micro-current with opposite electric polarity, the micro-needle roller type skin physiotherapy instrument and the skin physiotherapy instrument are combined, the physiotherapy performance of the electric micro-needle roller type skin physiotherapy instrument is remarkably improved, muscle and tissue states are improved through stimulation of the micro-current, and body functions can be kept well.

In a specific embodiment, in the circumferential direction of the microneedle roller 3, a plurality of first microneedles 311 located on the same radial plane are defined as a first circumferential microneedle set, for example, a plurality of first microneedles 311 located on a first microneedle sheet 341 are defined as a first circumferential microneedle set, a plurality of second microneedles 312 located on the same radial plane are defined as a second circumferential microneedle set, for example, a plurality of second microneedles 312 located on a second microneedle sheet 342 are defined as a second circumferential microneedle set, and the microneedle roller 3 is provided with a plurality of first circumferential microneedle sets and a plurality of second circumferential microneedle sets, as shown in fig. 10, the first circumferential microneedle sets and the second circumferential microneedle sets are alternately arranged at intervals, so that the microneedle roller can perform a skin treatment in a Radio Frequency (RF) mode and also can perform an EMS micro-current treatment on the skin. Alternatively, as shown in fig. 11, the plurality of first circumferential microneedle sets are disposed adjacent to each other at intervals, the plurality of second circumferential microneedle sets are disposed adjacent to each other at intervals, and the plurality of first circumferential microneedle sets and the plurality of second circumferential microneedle sets are disposed at intervals, in other words, all the microneedles located on the left half of the microneedle drum 3 may be disposed as the first microneedles 311, and all the microneedles located on the right half of the microneedle drum 3 may be disposed as the second microneedles 312, so that the microneedle drum 3 can perform a physical therapy on the skin in an EMS micro-current mode, and also can perform a physical therapy on the skin in a Radio Frequency (RF) mode, and the microneedle drum 3 shown in fig. 11 has higher safety when used in the radio frequency mode than a structure in which the first circumferential microneedle sets and the second circumferential microneedle sets are alternately disposed at intervals.

Alternatively, in the axial direction of the microneedle cylinder 3, a plurality of first microneedles 311 located on the same axial plane are defined as a first axial microneedle set, a plurality of second microneedles 312 located on the same axial plane are defined as a second axial microneedle set, in other words, in the axial direction of the microneedle cylinder 3, a row of the plurality of first microneedles 311 is defined as a first axial microneedle set, a row of the plurality of second microneedles 312 is defined as a second axial microneedle set, and the microneedle cylinder 3 is provided with the plurality of first axial microneedle sets and the plurality of second axial microneedle sets, as shown in fig. 12, the first axial microneedle sets and the second axial microneedle sets are alternately disposed at intervals, so that the microneedle cylinder 3 can perform a physical therapy on the skin in a Radio Frequency (RF) mode, and also can perform a physical therapy on the skin in an EMS micro-current mode. Or, the plurality of first axial micro-needle groups are arranged adjacently and at intervals, the plurality of second axial micro-needle groups are arranged adjacently and at intervals, and the plurality of first axial micro-needle groups and the plurality of second axial micro-needle groups are arranged at intervals, so that the micro-needle roller 3 can perform physical therapy on skin in an EMS micro-current mode, and also can perform physical therapy on skin in a Radio Frequency (RF) mode, and compared with a structure in which the first axial micro-needle groups and the second axial micro-needle groups are alternately arranged at intervals, the micro-needle roller 3 in which the plurality of first axial micro-needle groups are arranged adjacently and the plurality of second axial micro-needle groups are arranged adjacently and at intervals is higher in safety when being used in the radio frequency mode.

Referring to fig. 4 and 5, the neck support 2 further includes an electrode spring 23 and a circuit board 24. The neck support 2 is used for being installed on the shell 1 of the microneedle drum-type skin physiotherapy instrument, and the neck support 2 is connected with an opening of the shell 1 of the microneedle drum-type skin physiotherapy instrument in a buckling mode.

An identification module and a power supply module (not shown) are arranged on the circuit board 24, and after the neck support 2 is installed on the microneedle drum-type skin physiotherapy instrument, the circuit board 24 is electrically connected with the control component through a switching circuit board and a switching terminal (not shown) which are accommodated in the shell 1. The needle head assembly is used in pair with the liquid filling device, the control assembly obtains information of a solution of the liquid filling device and working parameters of the atomizing sheet 44, and the driving motor is driven and the atomizing sheet 44 is controlled according to host control parameters, so that automatic identification and control of the liquid filling device are achieved.

The circuit board 24 and the electrode spring 23 are accommodated in the neck support 2, the electrode spring 23, the first power supply portion 221 and the second power supply portion 222 are electrically connected to the power supply module of the circuit board 24, wherein the neck support 2 has an inner cavity, the circuit board 24 can be substantially in an annular structure and is embedded in the neck support 2, the circuit board 24 is arranged in the neck support 2 in the embodiment, and the neck support 2 can be reused, so that the cost can be further reduced. Neck support 2 corresponds liquid canning device that the cooperation is connected can be the device of canning in advance, and the liquid pipe 41 non-detachable connection of atomizing upper cover 43 and bottom promptly, and the user is when using, and after the liquid of liquid pipe 41 inside used, need not to pack by oneself, only need purchase fill in advance liquid canning device after finishing change can, guarantee when the change that the liquid kind in the liquid pipe 41 and the kind that identification module on the neck support 2 corresponds the same can. The microneedle drum-type skin physiotherapy instrument acquires information of the liquid filling device through the identification module of the circuit board 24 and executes a physiotherapy mode corresponding to the information of the liquid filling device.

A power supply module (not shown) is disposed on the circuit board 24, and the power supply module can be used for supplying power to the atomizing sheet 44, the first power supply portion 221 and the second power supply portion 222.

Specifically, micropin drum-type skin physiotherapy equipment has multiple atomizing mode, multiple atomizing mode can be taken notes in embedded software in advance, can be called at any time by the host computer, liquid filling device installs back on micropin drum-type skin physiotherapy equipment, micropin drum-type skin physiotherapy equipment passes through power module according to the selected atomizing mode and provides different power supply modes for atomizing piece 44, for example the host computer drives driving motor and control atomizing piece 44's electric current and voltage according to the control parameter that the selected mode corresponds, through setting up multiple atomizing mode, the main control circuit board will control driving motor and atomizing piece 44 and work according to appointed power and mode, can guarantee when using, the nutrient solution is even sprays on the micropin, better result of use has.

The power supply module may be electrically connected to the first power supply portion 221 and the second power supply portion 222 for supplying power, the microneedle drum-type skin physiotherapy apparatus controls specific parameters, such as the magnitude and frequency of a pulse alternating electrical signal, provided to the first power supply portion 221 and the second power supply portion 222 through the circuit board 24 according to a selected working mode, and in a time period, provides a micro-current of a first polarity (for example, a positive electrode) to the first microneedles 311 of the microneedle drum 3 through the power supply module and the first power supply portion 221, and provides a micro-current of an opposite second polarity (for example, a negative electrode) to the second microneedles 312 of the microneedle drum 3 through the power supply module and the second power supply portion 222; in the next time period, a micro-current of a second polarity (for example, a negative electrode) is provided to the first micro-needle 311 of the micro-needle roller 3 through the power supply module and the first power supply part 221, and a micro-current of a first polarity (for example, a positive electrode) is provided to the second micro-needle 312 of the micro-needle roller 3 through the power supply module and the second power supply part 222, and the steps are repeated in this way, so as to provide a pulse alternating electrical signal.

In a specific embodiment, the neck support 2 includes two electrode elastic pieces 23, two sides of an inner wall of the neck support 2 are respectively provided with a receiving groove 25 for fixedly receiving the electrode elastic pieces 23, and the electrode elastic pieces 23 are provided with elastic limiting protrusions, where the elasticity may mean that the limiting protrusions have elasticity in a thickness direction of the electrode elastic pieces 23.

Referring to fig. 5 and 7, the both sides of atomizing upper cover 43 are provided with two spacing holes 431, the atomizing subassembly includes two conducting blocks 45, neck support 2 installs back on micropin drum-type skin physiotherapy equipment, every spacing protruding holding respectively of electrode shell fragment 23 is in a spacing hole 431 of atomizing upper cover 43 and an conducting block 45 of electricity connection, through setting up two electrode shell fragments 23 and set up two spacing holes 431 in the both sides of atomizing upper cover 43, can be when installing neck support 2, make neck support 2 both sides receive limiting displacement simultaneously, when using micropin drum-type skin physiotherapy equipment, micropin drum 3 on neck support 2 can not rock, and user experience feels good.

In one embodiment, referring to fig. 5 and 7, the limit protrusion of the electrode spring 23 is substantially in a hump bridge structure and extends along the installation direction of the neck support 2, the wall of the limit hole 431 of the atomizing upper cover 43 along the installation direction of the neck support 2 is an inclined surface 432, the limit hole 431 of the atomizing upper cover 43 of the structure can guide the movement in and out of the limit protrusion of the electrode spring 23, the limit protrusion of the structure can smoothly slide into the limit hole 431 of the atomizing upper cover 43 when being matched with the limit hole 431 of the atomizing upper cover 43, and when the neck support 2 is separated from the atomizing upper cover 43, opposite acting forces are respectively applied to the neck support 2 and the atomizing upper cover 43, so that the limit protrusion of the electrode spring 23 can be moved out of the limit hole 431 of the atomizing upper cover 43, and when the neck support 2 is installed, the limit protrusion of the electrode spring 23 is matched with the limit hole 431 of the atomizing upper cover 43, so that the atomizing upper cover 43 can relatively firmly installs the electrode spring 2 on the atomizing upper cover 43, when the neck support 2 needs to be removed, the neck support 2 can be removed by applying appropriate force.

A liquid filling device is located within the housing 1 for containing and atomizing solutions, such as various therapeutic liquids. In one embodiment, a liquid filling apparatus includes: liquid tube 41, piston rod 42 and atomization component, atomization component includes atomization upper cover 43, atomization piece 44 and conductive block 45.

Specifically, the liquid tube 41 is provided with a solution storage bin, the solution storage bin is used for pre-filling liquid, the solution storage bin is provided with a liquid outlet, and the piston rod 42 is used for driving the solution in the solution storage bin to move towards the liquid outlet. The atomizing upper cover 43 is fixedly arranged at the liquid outlet, a liquid supply channel communicated with the liquid outlet is arranged on the atomizing upper cover 43, the atomizing plate 44 is arranged on the liquid supply channel, the atomizing plate 44 is preferably an ultrasonic atomizing plate 44, and the atomizing plate 44 is used for atomizing the solution. The liquid tube 41 fixedly arranged on the atomizing upper cover 43 is a product in a pre-filling state, under the pre-filling state, nutrient solution or skin physiotherapy solution pre-filled when leaving a factory is filled in the liquid tube 41, the physiotherapy solution is manufactured by a specified manufacturer, and in use, a user does not need to manually fill the liquid tube 41, so that certain steps and links are saved. And when the liquid canning device of type of irritating in advance is using, the liquid canning device passes through the one-to-one use of the syringe needle subassembly at top, gives the host computer with the information transfer of liquid type to the host computer adopts control atomizing piece 44 to adopt the frequency work that corresponds, can effectually exert the result of use of nutrient solution or physiotherapy liquid to the biggest.

The atomizing assembly further comprises a conductive block 45, the conductive block 45 is accommodated in the atomizing upper cover 43 and used for supplying power to the atomizing sheet 44, the atomizing upper cover 43 is provided with a limiting hole 431 penetrating through the inside and the outside, the needle head assembly and the liquid filling device are used in a matched manner, the neck support 2 is installed on the microneedle drum-type skin physiotherapy instrument, a part of the electrode elastic sheet 23 is accommodated in the limiting hole 431 of the atomizing upper cover 43, the power supply module of the circuit board 24 is electrically connected with the conductive block 45 through the electrode elastic sheet 23, the neck support 2 and the atomizing assembly adopting the structure are matched, after the neck support 2 is installed, the electrode elastic sheet 23 in the neck support 2 is automatically electrically connected with the conductive block 45 through the limiting hole 431 of the atomizing upper cover 43 and can supply power to the atomizing sheet 44, meanwhile, a part of the electrode elastic sheet 23 is accommodated in the limiting hole 431 of the atomizing upper cover 43 and can limit the neck support 2, prevent that neck support 2 from droing, play the preferred effect to the stable installation of neck support 2. When a user buys and uses the device, the user can buy a plurality of liquid tubes 41 pre-filled with physiotherapy liquid or nutrient solution at one time, each liquid tube 41 is provided with an atomization component, the liquid tubes 41 can be matched with a needle head component, the circuit board 24 arranged on the neck support 2 of the needle head component stores information of each batch of liquid tubes 41 pre-filled with a jar, the information comprises product batch, production place, time, internal solution components and the like, when the device is used at each time, the drum-type liquid filling device is arranged on the microneedle skin physiotherapy instrument, after an identification module of the circuit board 24 is communicated with a host of the drum-type microneedle skin physiotherapy instrument through a contact on the neck support 2, the host reads the information of the identification module, the optimized physiotherapy mode is automatically matched, and atomization ultrasonic conditions and the like are further controlled.

The control assembly is used for driving the liquid filling device to atomize the solution, the atomized solution is discharged out of the shell 1 through the atomization conducting channel of the neck support 2, and the control assembly is further used for supplying pulse alternating electric signals to the first power supply portion 221 and the second power supply portion 222 of the neck support 2, and specifically supplying the pulse alternating electric signals to the first power supply portion 221 and the second power supply portion 222 through the circuit board 24 of the neck support 2.

In one embodiment, the control assembly includes a main control circuit board (not shown), a power module (not shown), a driving motor (not shown), and a switch button 11, wherein the driving motor is preferably a stepping motor. The main control circuit board and the power module are fixed in the housing 1, the power module is, for example, a rechargeable lithium battery, the main control circuit board is provided with a sensing module matched with the identification module, and the information of the solution and the parameters of the atomizing sheet 44 are recorded through the matching of the identification module and the sensing module. Wherein the solution information includes: solution composition, solution brand and product model; the main parameters of the atomizing sheet 44 are the number of micropores and the micropore size (<100 microns) on the atomizing sheet 44.

Through the solution information and the main parameters of the atomizing plate 44 sensed by the sensing module, the driving motor is driven and the current and the voltage of the atomizing plate 44 are controlled according to the host control parameters. The identification module and the induction module identify the type of the liquid, and the main control circuit board controls the driving motor and the atomizing sheet 44 to work according to the designated power and mode, so that the nutrient solution can be uniformly sprayed on the micro-needle when the micro-needle is used, and the micro-needle has a better using effect.

The main control circuit board is matched with the circuit board 24 of the neck support 2 to atomize the solution through the atomizing sheet 44, the driving motor is provided with a D-shaped rotating shaft, the piston rod 42 is provided with a D-shaped driving groove matched with the D-shaped rotating shaft, and the D-shaped rotating shaft of the driving motor drives the piston rod 42 to be in threaded fit with the liquid pipe 41. The switch button 11 is arranged on the shell 1 and connected with the main control circuit board, and the switch button 11 is used for controlling the operation of the driving motor through the main control circuit board.

The host control parameters may include: driving voltage, electric power, pulse current waveform, duty ratio of pulse signal, and the like.

In one embodiment, referring to fig. 9, the microneedle drum-type skin physiotherapy apparatus further includes a fixing base 51 accommodated in the housing 1, an adapter circuit board and an adapter terminal (not shown), the liquid filling device is detachably accommodated in the fixing base 51, specifically, the liquid tube 41 and the piston rod 42 are detachably accommodated in the fixing base 51, the adapter circuit board and the adapter terminal are disposed on the fixing base 51, and the adapter circuit board is used for electrically connecting the circuit board 24 and the control assembly through the adapter terminal. By adopting the structure, after the replaced liquid tube 41 and the piston rod 42 are installed in the fixing seat 51 and the needle head assembly is installed on the liquid filling device, the circuit board 24 of the needle head assembly can be automatically connected with the control assembly through the switching circuit board and the switching terminal, and the host machine control parameters drive the driving motor and control the atomizing sheet 44, so that the automatic control of the liquid filling device is realized.

In one embodiment, one end of the fixed seat 51 close to the piston rod 42 is provided with an opening, a bearing 52 is arranged at the inner edge of the opening of the fixed seat 51, and a power adapter 53 is arranged in the bearing 52, wherein the power adapter 53 is used for being coupled with the piston rod 42 and a driving shaft of a driving motor and transmitting the power of the driving shaft to the piston rod 42. Compared with the existing microneedle drum-type skin physiotherapy instrument, the bearing 52 and the power adapter 53 are arranged on the fixing seat 51, so that the power output and transmission of the driving shaft of the driving motor are more stable and smooth, mechanical faults can be effectively reduced, and the service life is prolonged.

Although embodiments of the present invention have been shown and described, it will be understood that the above embodiments are exemplary and not to be construed as limiting the present invention, and that those skilled in the art may make changes, modifications, substitutions and alterations to the above embodiments without departing from the spirit and scope of the present invention, all such changes being within the scope of the appended claims.

Claims

1. A needle assembly, comprising:

The micro-needle roller comprises a roller body, a first installation part and a second installation part, wherein the roller body is provided with a first end and a second end which are opposite to each other, a plurality of first micro-needles and a plurality of second micro-needles are arranged on the outer peripheral surface of the roller body, the first micro-needles and the second micro-needles are arranged at intervals, the first installation part and the second installation part are respectively installed on the bracket body, the first end of the roller body is rotatably installed on the first installation part, the second end of the roller body is rotatably installed on the second installation part, the first micro-needles are electrically connected with the first power supply part, and the second micro-needles are electrically connected with the second power supply part.

2. The needle assembly of claim 1, further comprising a first contact mounted within the roller body and a second contact, the first microneedle being electrically connected to the first power supply portion via the first contact and the second microneedle being electrically connected to the second power supply portion via the second contact.

3. The needle head assembly according to claim 2, wherein the microneedle roller comprises a plurality of first microneedle pieces and a plurality of second microneedle pieces, the first microneedle pieces and the second microneedle pieces are respectively in a disc shape, the plurality of first microneedles are uniformly distributed on the outer peripheral surface of the first microneedle pieces, the plurality of second microneedles are uniformly distributed on the outer peripheral surface of the second microneedle pieces, the plurality of first microneedle pieces and the plurality of second microneedle pieces are arranged at intervals in the extending direction from the first end to the second end of the roller body, and the first microneedle pieces and the second microneedle pieces are arranged in an insulating manner.

4. The needle assembly of claim 3, wherein the first plurality of microneedle patches and the second plurality of microneedle patches are alternately spaced at equal intervals in a direction extending from the first end of the roller body to the second end of the roller body.

5. The needle assembly of claim 3, wherein the first microneedle sheet is provided with a first perforation and a second perforation which penetrate through two sides of the first microneedle sheet, the first perforation of the first microneedle sheet is used for allowing the first contact member to penetrate through and enabling the first contact member to be electrically connected with the first microneedle on the first microneedle sheet through the first microneedle sheet, and the second perforation of the first microneedle sheet is used for allowing the second contact member to penetrate through and enabling the second contact member and the first microneedle sheet to be arranged in an insulating mode;

6. The needle assembly of claim 3, wherein the roller body comprises a first outer flange, a second outer flange, and a plurality of inner flanges between the first outer flange and the second outer flange, the first microneedle sheet being sandwiched between the first outer flange and the inner flange, or between the second outer flange and the inner flange, or between adjacent inner flanges, and the second microneedle sheet being sandwiched between the first outer flange and the inner flange, or between the second outer flange and the inner flange, or between adjacent inner flanges.

7. The needle assembly of claim 2, wherein the microneedle roller further comprises a first pin and a first mounting block coupled to each other, a second pin and a second mounting block coupled to each other, the first pin being rotatably mounted to the first mounting block, the second pin being rotatably mounted to the second mounting block, the first contact member being mounted to the first mounting block, the second contact member being mounted to the second mounting block, the first end of the roller body being rotatably mounted to the first mounting block via the first pin and the first mounting block, the second end of the roller body being rotatably mounted to the second mounting block via the second pin and the second mounting block.

8. The needle assembly of claim 7, wherein the microneedle roller comprises two first contacts and two second contacts,

9. The needle assembly of claim 8, wherein the first contact is electrically connected to the first power supply portion sequentially via the first segment, the first pin, and the first mounting element, and the second contact is electrically connected to the second power supply portion sequentially via the second segment, the second pin, and the second mounting element.

10. The needle assembly of claim 9, wherein the roller body comprises a first outer flange, a second outer flange, and a plurality of inner flanges positioned between the first outer flange and the second outer flange, wherein a side of the first outer flange facing the inner flange is provided with holes for mounting an end of the first retainer block and the second contact member, and a side of the second outer flange facing the inner flange is provided with holes for mounting an end of the second retainer block and the first contact member.

11. The needle assembly of claim 1, wherein the microneedle cylinder is provided with a first conductive coating and a second conductive coating, the first microneedle is electrically connected to the first power supply portion through the first conductive coating, and the second microneedle is electrically connected to the second power supply portion through the second conductive coating.

12. The needle assembly of claim 11, wherein the first conductive plating is disposed on a surface of or embedded within a microneedle cylinder and the second conductive plating is disposed on a surface of or embedded within a microneedle cylinder;

13. A microneedle roller skin physiotherapy apparatus comprising a needle assembly according to any one of claims 1 to 12.

14. The microneedle drum-type skin physiotherapy instrument as claimed in claim 13, wherein the neck support further comprises an electrode spring and a circuit board, the circuit board is provided with an identification module and a power supply module, the circuit board and the electrode spring are accommodated in the neck support, and the electrode spring, the first power supply portion and the second power supply portion are electrically connected with the power supply module of the circuit board.

15. The microneedle drum-type skin physiotherapy instrument as claimed in claim 14, wherein the neck support comprises two electrode clips, two sides of the inner wall of the neck support are respectively provided with a containing groove for fixedly containing the electrode clips, and the electrode clips are provided with elastic limiting protrusions.

16. The microneedle drum-type skin physiotherapy apparatus according to claim 14, further comprising:

a housing;

control assembly, control assembly is used for the drive liquid filling device atomizes solution, and the solution after the atomizing passes through the atomizing of neck support switches on the passageway and discharges outside the shell towards the shell, control assembly still is used for supplying pulse alternating signal to the first power supply portion and the second power supply portion of neck support.

17. A microneedle drum-type skin physiotherapy instrument according to claim 16, wherein said liquid filling device comprises:

the atomization assembly comprises an atomization upper cover, an atomization sheet and a conductive block, the atomization upper cover is fixedly arranged at the liquid outlet, a liquid supply channel communicated with the liquid outlet is arranged on the atomization upper cover, the atomization sheet is arranged on the liquid supply channel, and the atomization sheet is used for atomizing a solution; the conducting block holds in the atomizing upper cover and be used for supplying power for the atomizing piece, the atomizing upper cover is provided with runs through inside and outside spacing hole, the syringe needle subassembly with the liquid filling device pairs the use, neck support mounting is back on micropin drum-type skin physiotherapy equipment, some holding of electrode shell fragment is in the spacing downthehole of atomizing upper cover, the conducting block is connected through electrode shell fragment electricity to the power module of circuit board, micropin drum-type skin physiotherapy equipment passes through the identification module of circuit board acquires the information of liquid filling device and carries out the physiotherapy mode that corresponds with the information of liquid filling device.

18. The microneedle drum-type skin physiotherapy instrument according to claim 17, wherein the neck support comprises two electrode shrapnels, and two accommodating grooves for fixedly accommodating the electrode shrapnels are respectively arranged on two sides of the inner wall of the neck support;

19. The microneedle drum-type skin physiotherapy instrument according to claim 17, further comprising a fixing base, a switching circuit board and a switching terminal, wherein the fixing base, the switching circuit board and the switching terminal are accommodated in the housing, the liquid filling device is detachably accommodated in the fixing base, the switching circuit board and the switching terminal are arranged on the fixing base, and the switching circuit board is used for electrically connecting the circuit board and the control component through the switching terminal.

20. The microneedle drum-type skin physiotherapy apparatus according to claim 19, wherein an opening is formed in one end of the fixing base close to the piston rod, a bearing is arranged on the inner edge of the opening of the fixing base, and a power adapter is arranged in the bearing and used for being connected with the piston rod and the driving shaft and transmitting the power of the driving shaft to the piston rod.

21. A microneedle drum-type skin physiotherapy apparatus according to claim 17, wherein the control assembly comprises: