KR20180066514A - Apparatus for skin care - Google Patents

Abstract

According to the present invention, a skin care tool comprises: a body part; a needle part including a needle and a cartridge for accommodating at least a part of the needle therein; a movable part including a ram connected to the needle, and generating movement of the needle by driving the ram; a grip part connected between the needle part and the body part, and accommodating at least a part of the movable part in an internal hollow; a needle adjusting part for adjusting a length of the needle; and an elastic body elastically compressed/restored. The needle adjusting part includes: a pitch ring which has a ram penetrating the center part thereof and has a first screw thread; a second thread which is formed on an inner circumferential surface of the grip part and is engaged with the first screw thread; a pressing piece which is formed on a ram region in front of the pitch ring; and a housing which has a pitch ring movably connected to one end and a body part coupled to the other end.

Description

{APPARATUS FOR SKIN CARE}

BACKGROUND OF THE INVENTION 1. Field of the Invention [0001] The present invention relates to a beauty appliance, and more particularly, to a skin care appliance that allows cosmetic products to infiltrate skin and make semi-permanent makeup.

BACKGROUND ART [0002] In general, a device equipped with a semi-permanent makeup or a needle for tattooing (hereinafter collectively referred to as a nail device) penetrates a skin of a person using a needle suitable for a surgical procedure, Means a device for engraving.

The conventional needle device can be divided into an eccentric drive system using an eccentric shaft (see the prior patent 1) and a gear drive system using a plurality of gears (see the prior patent 2), and an eccentric drive system is widely used.

In the case of the eccentric drive system, the drive motor and the cam surface coupled to the rotation axis of the drive motor in a sloping manner are used to generate the forward and backward movements of the needle. In the case of the gear drive system, To cause the forward and backward movement of the needle.

However, in the conventional needle apparatus, since the linear bar is linearly reciprocated by using the height at which the cam surface of the inclined shape is rotated and displaced, friction and wear occur between the members and the linear reciprocating path of the needle changes during long- .

In addition, when the cam unit is used for a long time, a clearance is generated in the driving unit to cause a swinging phenomenon. Accordingly, even in a direction deviating from a direction in which the needle must move (that is, a vertical direction) So that there is a problem that the needle is tilted right and left.

Therefore, the conventional needle device has a problem that it is difficult to perform elaborate and stable operations due to a change in the motion path of the needle or a shaking phenomenon when the needle device is used for a long period of time, and in order to solve this problem, there has been an ineffective aspect.

Further, as the abrasion and clearance described above progresses, the output of the driving motor is lowered to cause a decrease in the moving speed of the needle, and noise is increasingly increased due to an abnormal impact between the parts.

On the other hand, the needle device may have a length adjusting means for adjusting the length of the needle. In the case of the conventional needle device, needle length adjusting means (hereinafter, referred to as 'adjusting ring') having a ring structure surrounding the outer surface of the body Quot;).

In particular, the needle length adjusting means is arranged in the central region of the apparatus in a structure that the forward and backward movement of the needle must be generated in conjunction with the turning operation of the needle. In this case, The adjustment ring forms a step with respect to the body portion, which causes the operator's grip feeling and the stability of the operation to be deteriorated.

Previous Patent 1. Korean Registered Utility Model No. 20-0466520 (April 15, 2013) Prior Patent 2. Korean Utility Model Patent No. 20-2010-0008054 (Aug. 12, 2010)

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems and it is an object of the present invention to provide a new drive system which replaces the eccentric shaft or the gear system in the prior art, And to provide a skin care device capable of preventing needle swinging phenomenon which has occurred in a conventional eccentric shaft or gear system.

It is a further object of the present invention to provide a knitting machine which can adjust a needle length according to a user's need and can omit a needle length adjusting ring which is separately provided on the outer surface of a conventional body to provide a more convenient and stable grip feeling, And to provide a skin care device having a structure that can be further increased.

According to an aspect of the present invention, there is provided a skin beauty device comprising: a body; A needle portion including a needle and a cartridge for receiving at least a portion of the needle therein; A movable portion including a ram connected to the needle, the movable portion driving the ram to generate motion of the needle; A grip portion connected between the needle portion and the body portion, the grip portion receiving at least a part of the movable portion in the hollow interior; A needle adjuster for adjusting the length of the needle; And an elastic body for elastic compression / restoration operation.

The needle adjustment portion includes a pitch ring in which a ram passes through a center portion and a first thread is formed; A second screw thread formed on an inner peripheral surface of the grip portion and engaged with the first screw thread; A pressing piece formed on the ram region in front of the pitch ring; And a housing at one end of which a pitch ring is fluidly connected and the other end of which is coupled to the body portion.

According to the above configuration, when rotating the body part in the clockwise direction, the pitch ring is rotated clockwise by the first screw thread and the second screw thread to move forward, thereby pushing the pushing piece in one direction, 1 < / RTI >

When the body part is rotated in the counterclockwise direction, the pitch ring is rotated counterclockwise by the first screw thread and the second screw thread to move backward. By pushing the ram in the other direction by the elastic restoring force of the elastic body, And an operation is generated.

According to the skin beauty device of the present invention, it is possible to prevent the shaking phenomenon of the needle, thereby ensuring an elaborate and stable operation, and fundamentally eliminating the friction / wear phenomenon of the conventional device, There is no problem, and the service life of the parts is increased, and the inefficiency due to the frequent replacement of the parts of the conventional apparatus can be solved.

In addition, according to the skin beauty device of the present invention, the length of the needle can be adjusted by rotating the body part clockwise or counterclockwise, and the needle length adjusting ring separately provided on the outer surface of the body, The device grip feeling and the stability of the operation can be greatly improved.

1 is an exploded perspective view of a skin care device according to the present invention;
Fig. 2 is a perspective view of the coupling of Fig. 1; Fig.
3 is a sectional view of a skin care device according to the present invention;
4 is a cross-sectional view of a movable portion received in a housing according to the present invention;
5 (a), 5 (b) and 5 (c) are views for explaining the needle reciprocating motion of the skin care apparatus according to the present invention.
6 (a) and 6 (b) are an exploded view and a combined view of a grip portion and a check valve according to the present invention.
7 is a perspective view of a pitch ring according to the present invention;
FIG. 8 is a side view showing a state where a pitch ring is coupled to a ram according to the present invention; FIG.
9 is a perspective view of a housing according to the present invention;
10 is an exploded perspective view of the moving part and the needle adjusting part according to the present invention.
11 (a) and 11 (b) are views for explaining the adjustment of the length of the needle according to the present invention.
12 is an exploded perspective view of a bobbin and a stopper in which a coil is wound according to the present invention.
13 is an assembled sectional view of Fig.

The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. The singular expressions include plural expressions unless the context clearly dictates otherwise. In this specification, the terms "comprises" or "having" and the like refer to the presence of stated features, integers, steps, operations, elements, components, or combinations thereof, But do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or combinations thereof.

Also, in the present specification, the term " above or above "means to be located above or below the object portion, and does not necessarily mean that the object is located on the upper side with respect to the gravitational direction. It will also be understood that when an element such as a region, plate, or the like is referred to as being "above or above another portion ", this applies not only to the presence or spacing of another portion & And the like.

Also, in this specification, when an element is referred to as being "connected" or "connected" with another element, the element may be directly connected or directly connected to the other element, It should be understood that, unless an opposite description is present, it may be connected or connected via another element in the middle.

Also, in this specification, the terms first, second, etc. may be used to describe various components, but the components should not be limited by the terms. The terms are used only for the purpose of distinguishing one component from another.

Hereinafter, preferred embodiments, advantages and features of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 2 is a perspective view of the skin beauty device according to the present invention. FIG. 2 is a perspective view of the skin cosmetic device according to the present invention. Fig.

1 to 4, a skin care apparatus according to the present invention includes a body 10, a controller 17, a needle unit, a movable unit 20, a grip unit 40, a needle control unit, an elastic body 54, A link 35, a power supply unit 13 and a power switch 15, and may further include an adapter 50, a backflow prevention film 45, and a light setting unit 19.

A power supply unit 13, a light control unit 19, a power switch 15, and a control unit 17. The power supply unit 13, the light control unit 19, the power switch 15, And so on. At one end of the body portion 10, a coupling means such as a fitting groove to be coupled with the housing 29 is formed.

The control unit 17 of the present invention is a circuit unit for generating a first operation and a second operation to be described later by controlling the movable unit 20 and can be mounted in the form of a controller such as an MCU (Micro Controller Unit).

Specifically, the control unit 17 controls the coil 25 of the movable unit 20 so as to generate the first operation through the control of applying the current to the coil 25 and turn off the current applied to the coil 25 To cause the reciprocating movement of the needle 31 by the repetitive driving of the first and second motions. Details of the first operation and the second operation will be described later.

The needle portion of the present invention includes a needle (31) having a sharp tip and a cartridge (33) accommodating therein at least a part of the needle (31).

The needle portion is a replaceable consumable item and is hidden inside the cartridge 33 so that the needle 31 is not exposed to the external environment to prevent contamination of the needle 31 before the operation, A part including the pointed tip may be exposed to the outside by the first operation to be performed.

Needless to say, however, it is also possible to adjust the tip of the needle 31 to be exposed to the outside of the cartridge 33 before the operation (that is, power off) Can be determined. Here, the 'user need' may refer to the case of using the needle 31 protruding to the outside of the cartridge 33 for a longer time.

The cartridge 33 of the needle part is formed in a substantially cone shape and has a through hole through which the needle 31 can penetrate at its tip end. It is once in a state of being connected with wealth.

The moving part 20 of the present invention is a driving device for generating a linear reciprocating motion of the needle 31 so as to be able to perform a procedure and includes a bobbin 23, a coil 25, a magnetic body 27 and a ram 21 .

The bobbin 23 of the movable portion 20 is a tubular member having an inner hollow portion. The coil 25 is wound on the outer surface of the bobbin 23 and the magnetic body 27 is accommodated in the hollow portion. Respectively.

The outer surface of the bobbin 23 may be formed to have a circular or polygonal cross-sectional shape, and the hollow may be formed to have a circular or polygonal cross-sectional shape. Preferably, however, It is preferable to constitute a circular cross section.

The coil 25 of the movable part 20 is wound on the outer surface of the bobbin 23 at a pitch that is narrower than that of the coil 25. When a current is supplied to the coil 25, a magnetic flux is generated, As shown in FIG.

The coil 25 is configured to form a magnetic field in the first direction in the hollow of the bobbin 23 and refers to the magnetic flux direction in which the magnetic field magnetic body 27 in the first direction is forced to move toward the needle 31 .

The coil 25 is repeatedly driven at a unit time interval in which a current application (On) and an unapplication (Off) operation are repeatedly performed in order to realize repetitive reciprocating motion of the needle 31. This repetitive operation is performed by the control unit 17 Control.

The magnetic body 27 of the movable portion 20 can be made of, for example, a permanent magnet, which is magnetically responsive to the magnetic field, and is arranged to be able to flow in the hollow interior of the bobbin 23.

Specifically, the magnetic body 27 quickly moves toward the needle 31 during the on-operation of the coil 25 to strike a ram 21 disposed on the front side (hereinafter, referred to as a 'first motion'), (Hereinafter, referred to as a "second movement") by an elastic restoring force of the elastic body 54 in an off operation of the coil 25. [

Therefore, it is preferable that the magnetic body 27 is formed to have a smaller cross-sectional area than the hollow of the bobbin 23, and is formed in a cylindrical shape so as to minimize frictional force with the inner surface of the bobbin 23.

The ram 21 of the moving part 20 receives energy corresponding to the first movement of the magnetic body 27 to move the needle 31 forward to the outside of the cartridge 33 and the elastic recovery force of the elastic body 54 is used to move the needle 31 31 and the second movement of the magnetic body 27. [0053]

One end of the ram 21 is configured to face the magnetic body 27 and the other end is configured to be connected to the needle 31. According to a preferred embodiment, the ram 21 is formed in an elongated bar shape, and one end portion, which is substantially struck by the magnetic body 27, is formed with an outward flange-shaped striking portion 22, 27 can more effectively hit the ram 21 to transmit kinetic energy. The ram (21) is connected to the needle (31) via a link (35).

In another embodiment, the ram 21 may be formed integrally with the magnetic body 27. In this case, the magnetic body 27 may be integrally provided at one end of the ram 21 through a double injection or the like. 3, the ram 21 is connected to the needle 31 through the link 35. However, the ram 21 may be connected to the needle 31 directly at the tip of the ram 21 Of course it is.

The link 35 of the present invention is an intermediate member for interconnecting the ram 21 and the needle 31 and is preferably formed in a rod shape so that one end is engaged with the needle 31 and the other end is connected to the ram 21, Lt; / RTI >

The link 35 transmits the first kinetic energy generated by the magnetic body 27 to the needle 31 together with the ram 21 and the elastic restoring energy of the elastic body 54 is transmitted to the magnetic body 27 together with the ram 21 It serves as an intermediary for delivery.

It is preferable that the ram 21, the link 35, and the needle 31 are constructed so as to have a connection structure arranged on the same axis with each other with the magnetic body 27. [ This is because the vibration of the needle 31 can be minimized when the direction of the force due to the first motion of the magnetic body 27 coincides with the arrangement and movement direction of the ram 21, the link 35 and the needle 31 Because. For reference, the shaking phenomenon of the needle 31 refers to a phenomenon in which a force perpendicular to the direction of motion of the needle 31 (that is, forward and backward movement for the operation) acts to cause the axis of motion of the needle 31 to deviate from the center do.

The elastic body 54 of the present invention is resiliently compressed when an external force is applied and resiliently restored when the external force is removed. The resilient body 54 is made of an elastic material tube having a spiral or bellows- 21 in a one-directional movement.

In one embodiment, the elastic body 54 may be formed of an elastic tube having a wrinkle-like concave-convex portion as shown in Fig. 1, so that the link 35 penetrates the inner hollow of the elastic body 54.

One end of the elastic body 54 may be supported by a stopper 34 formed in the cartridge 33 and the other end may be configured to face the pressing piece 36 protruding from the link 35. [

According to one embodiment of the present invention, the link 35 is moved in one direction together with the ram 21 when the current is applied. At this time, the one end of the elastic body 54 is fixed to the link 35 pushes one end of the elastic body 54, so that an elastic compression operation is generated.

The elastic body 54 may be arranged inside the cartridge 33 and elastically compressed by the link 35 or may be arranged inside the grip portion 40 and elastically compressed by the ram 21 Of course.

As a result, the elastic body 54 of the present invention may be provided at any position as long as it can be elastically compressed by the ram 21.

Hereinafter, the automatic reciprocating operation of the needle 31 implemented by the above-described configuration will be described in detail.

5 (a), 5 (b) and 5 (c) are operation diagrams for explaining needle reciprocating motion of the skin care apparatus according to the present invention.

Referring to FIG. 5, the reciprocating motion of the needle 31 is driven by controlling the coil 25 so as to repeat the first operation according to the current application and the second operation according to the current ratio.

(1) First operation

The magnetic body 27 is stopped inside the bobbin 23 when the skin beauty device of the present invention is not driven off and the magnetic body 27 is held at one end of the ram 21 (The striking portion 22) by a predetermined distance K2.

In this state, when the current is applied to the coil 25, the magnetic body 27 is linearly moved to the side of the ram 21 by the magnetic flux in the first direction formed inside the bobbin 23, The striking portion 22 of the ram 21 is hit.

The ram 21 is forced to move toward the needle 31 by receiving the kinetic energy due to the impact of the magnetic body 27 and the needle 31 connected to the ram 21 is also moved forward An operation occurs.

As a result, the needle 31 hidden inside the cartridge 33 instantaneously protrudes to the outside of the cartridge 33 by 'K1' as shown in FIG. 5 (c), and the cosmetic can penetrate the skin.

On the other hand, when the ram 21 is hit by the magnetic body 27 in this manner, forced movement of the ram 21 is caused, and at the same time, the compression action of the elastic body 54 is generated. 3 and 5, the link 35 is moved in one direction together with the ram 21 when the current is applied. At this time, one end of the elastic body 54 is moved in a state in which the link is blocked by the stopper 34 35 pushes one end of the elastic body 54, so that an elastic compression operation is generated.

(2) Second operation

The current supplied to the coil 25 is shut off after the advancing operation of the needle 31 or simultaneously with the generation of the advancing operation of the needle 31 (i.e., immediately after the striking of the ram 21 by the magnetic body 27) The elastic body 54 compressed by the first operation pushes the ram 21 toward the body portion 10 by the elastic restoring force and forcibly moves it.

The backward movement of the needle 31 connected to the ram 21 also moves to the rear of the cartridge 33 (that is, the side of the body 10) in conjunction with the movement of the ram 21 toward the body 10 And the magnetic body 27 near the ram 21 also moves back into the bobbin 23 due to the movement of the ram 21. As a result,

When the retracting operation of the needle 31 and the returning operation of the magnetic body 27 are completed, the RAM 21, the magnetic body 27 and the needle 31 return to the state shown in Fig. 5 (a) The current is again applied to the coil 25 in the same state to generate the first operation again.

As a result, the skin-beauty device of the present invention repeats the above-described first operation and the second operation, that is, the reciprocating motion of the needle 31, continuously by repeatedly applying the on and off operations at a very short unit time interval So that it can be repeatedly generated.

6 (a) and 6 (b) are an exploded view and a combined view of a grip portion and a check valve according to the present invention. 6, the grip portion 40 of the present invention is a connecting port for connecting the body portion 10 and the needle portion, and has one end connected to the needle portion and the other end connected to the body portion 10, (For example, the bobbin 23 and a part of the area of the ram 21) in the inner hollow. If the skin-beauty device of the present invention further includes the adapter 50, the grip portion 40 may be connected to the needle portion via the adapter 50. [

According to a preferred embodiment, the grip portion 40 corresponds to a portion where a practitioner grasps the skin-beauty apparatus by hand when using the apparatus, so that the grip portion 40 can be formed in a cylindrical shape or a cylindrical shape having a convex central portion so as to provide a convenient and stable grip feeling.

The grip portion 40 can be engaged with the needle portion or the adapter 50 using at least one of various known fastening methods such as interference fit, hook engagement, screw fastening, and the like.

A second thread 49 is formed in the grip portion 40 to engage with the first thread 130 of the pitch ring 100. The second thread 49 is formed in a part of the entire area of the inner peripheral surface of the grip part 40, and the part of the area is preferably the center part. The lateral length K3 of the second thread 49 of the grip portion 40 functions as an element for determining the adjustable range of the needle 31. [

The needle adjuster of the present invention includes a pitch ring 100, a pressing piece 200 and a housing 29 as a means for adjusting the length of the needle 31 according to the user's desire. Quot; needle length "controlled by the needle adjuster means the length of the leading end of the needle 31 protruding out of the cartridge 33 before the procedure (i.e., power off) Adjustment of the needle length "as used herein means to adjust the amount of the needle 31 protruding out of the cartridge 33 to be exposed.

FIG. 7 is a perspective view of a pitch ring according to the present invention, FIG. 8 is a side view showing a pitch ring coupled to a ram according to the present invention, FIG. 9 is a perspective view of a housing according to the present invention, Fig. 7 is an exploded perspective view of a moving part and a needle adjusting part according to the invention.

The pitch ring 100 of the needle adjuster has a configuration for generating a first length adjusting operation of the needle 31 through a forward movement by a user operation and a second length adjusting operation of the needle 31 through a backward movement And includes a ring body 110, a first thread 130, and a rail groove 140 in detail.

The ring body 110 of the pitch ring 100 is preferably formed in an annular shape and a through hole 120 through which the ram 21 can penetrate is formed in the center portion. The inner diameter of the through hole 120 is formed to be larger than the outer diameter of the ram 21 so that the ram 21 disposed to penetrate the ring body 110 can freely move with respect to the ring body 110 .

On the other hand, it is preferable that the ram 21 is configured to have at least an elongated cylindrical portion, and the cylindrical portion is configured to pass through the through hole 120 of the ring body 110. This is to allow the ram 21 to be moved more easily in the through hole 120, so that the length adjusting operation of the needle 31 can smoothly occur.

The first thread 130 is arranged to engage with the second thread 49 of the grip portion 40 such that forward movement of the pitch ring 100 upon clockwise thread rotation occurs and the pitch ring 100 To be generated.

The first screw thread 130 may be formed directly on the outer circumferential surface of the ring body 110 but may be formed on the screw joint 135 formed on the ring body 110 as shown in FIG.

In this case, the screw fastening part 135 is formed to have a protruding structure on one side of the annular ring body 110, and the first screw thread 130 is formed on the outer circumferential surface thereof.

7, the screw coupling part 135 may be formed in an annular shape (annular trapezoid) so as to protrude from the side surface of the ring body 110. [ More preferably, a plurality of screw coupling portions 135 may be provided so as to be spaced apart from each other.

7, when the pitch ring 100 is engaged with the ring body 110, a guide rail 220, which will be described later, is engaged with the upper end of the screw coupling part 135 A portion where the thread 130 is formed) is formed to protrude above the guide rail 220. This is because the guide rail 220 does not come into contact with the inner circumferential surface of the grip portion 40 during rotation of the guide rail 220 but only the first screw thread 130 of the screw thread portion 135 is engaged with the second screw thread 49 of the inner circumferential surface of the grip portion 40 So that the screw can be rotated.

The rail groove 140 of the pitch ring 100 is configured to interconnect the pitch ring 100 and the guide rail 220 and in particular the rail groove 140 is engaged with the guide rail 220, 100 are attached to the guide rail 220 so as to be able to flow.

Therefore, the shape and structure of the rail groove 140 and the guide rail 220 are not particularly limited as long as the guide rail 220 and the rail groove 140 can be coupled to each other to be capable of flowing. For example, the rail groove 140 and the guide rail 220 may be coupled to each other by at least one of known engaging methods such as engaging, inserting, and engaging.

According to the preferred embodiment of FIG. 7, the rail groove 140 may be formed in the shape of an annular sector, such as a threaded portion 135. In this case, the rail groove 140 is provided in a groove structure between the plurality of screw fastening portions 135. For example, a spacing space between the plurality of screw fastening portions 135 can function as the rail groove 140.

In another embodiment, the rail groove 140 may be formed in the form of a through hole formed on the concentric circle of the ring body 110. In this case, the guide rails 220 are arranged to pass through the through holes.

The pressing piece 200 of the needle adjusting part is provided in front of the pitch ring 100 and is pressed by the pitch ring 100 when the body part 10 is operated for adjusting the length of the needle 31, So that an operation can be generated.

According to a preferred embodiment, the pressing piece 200 can be formed to protrude on the outer circumferential surface of the ram 21, the forming position of which is such that the ram 21 passes through the through hole 120 of the pitch ring 100 And is formed in front of the pitch ring 100 on the basis of the coupled state. Here, the "front of the pitch ring 100" refers to the direction in which the pitch ring 100 looks toward the needle 31 side.

8, the pressing piece 200 is formed to protrude outwardly in the form of an outward flange at a portion of the ram 21 corresponding to the front of the pitch ring 100 in the entire area of the ram 21.

The housing 29 of the needle control unit is configured to mediate the rotational movement of the body 10 by a user operation so as to be interlocked with the forward and backward movement of the pitch ring 100. At least a part of the movable unit 20 A guide rail 220 is formed at one end thereof, and a body coupling means 28 is provided at the other end thereof.

The housing 29 is constituted by a tubular frame which can house the bobbin 23 and the ram 21 in the inner space so that the bobbin 23 is entirely housed inside the housing 29, Only a part of the end portion is accommodated in the housing 29 and the remaining portion is provided in a structure protruding outside the housing 29.

At one end of the housing 29, a guide rail 220 is formed so as to protrude forward, and is connected to the pitch ring 100. More specifically, the guide rail 220 is connected to the pitch ring 100 by being coupled to the rail groove 140 of the pitch ring 100. When the external force is applied, the pitch ring 100 moves forward and backward on the guide rail 220 Respectively.

For example, when the rail groove 140 is formed as a plurality of annular fan-like recesses formed between a plurality of screw fastening portions 135 as in the embodiment of FIG. 7, It may be formed into a columnar shape, preferably a columnar shape having an annular sectoral cross-sectional shape.

In this case, the first guide rail is seated in the first rail groove and protrudes forward of the first rail groove, and the second guide rail is seated in the second rail groove and protrudes forward of the second rail groove, Lt; / RTI >

In this state, the pitch ring 100 is configured to be freely movable forward and backward along the guide rail 220 along the longitudinal direction of the guide rail 220.

In another embodiment, when the rail groove 140 is formed in the form of a plurality of through holes formed on a concentric circle of the ring body 110, the guide rail 220 has a cross section having the same shape as the through hole And may be formed in a rod-like or columnar shape so as to penetrate the through-hole.

The body engaging means 28 of the housing 29 interconnects the housing 29 and the body 10. 9, the body fitting means 28 is formed in the form of a fitting protrusion 28 protruding in the longitudinal direction at the other end of the housing 29, and the fitting protrusion 28 is formed in the body portion 10 so that the housing 29 is engaged with the body 10.

The housing 29 is engaged with the grip portion 40 and the grip portion 40 is engaged with the needle portion so that the body portion 10, the housing 29, the grip portion 40, .

When the user rotates the body 10 in the clockwise direction, the housing 29 rotates in the clockwise direction. When the body 10 is rotated in the counterclockwise direction, The housing 29 is also rotated counterclockwise.

On the other hand, an O-ring 230 made of rubber may be wrapped around the outer surface of the housing 29. This is to prevent the length of the needle 29 from fluctuating by allowing the housing 29 to stay in a stable stop state after the adjustment of the length of the needle through the rotation of the housing 29 by vibration or shaking.

Hereinafter, the length adjusting operation of the needle 31 implemented by the above-described configuration will be described in detail.

11 (a) and 11 (b) are operation diagrams for explaining the adjustment of the length of the needle according to the present invention. Referring to FIG. 11, the length adjusting operation of the needle 31 includes a first length adjusting operation according to a clockwise rotation operation of the body 10 and a second length adjusting operation according to a counterclockwise rotation operation.

(1) the first length adjusting operation

When the user rotates the body 10 in the clockwise direction, the following linking operations occur continuously and the first length adjusting operation in which the length of the needle 31 is changed to the state shown in FIG. 11 (a) to 11 (b) Lt; / RTI >

(a) Clockwise rotation of the body 10 → (b) The housing 29 connected to the body 10 rotates clockwise in the clockwise direction → (c) the guide rail 220 is connected to the pitch ring (D) The first thread 130 is engaged with the second thread 49 and the pitch ring 100 is moved forward in a clockwise direction. The pitch ring 100 advancing along the rail 220 pushes the pressing piece 200 located in the front side in one direction (that is, on the needle 31 side) to cause forward movement of the ram 21 → (f) The needle 31 connected to the needle 31 is moved forward to increase the length of the needle 31 (i.e., the needle 33 is extended outwardly of the cartridge 33)

On the other hand, when the operation (e) of the first length adjusting operation is caused, a compression operation of the elastic body 54 is generated at the same time. 3, the link 35 is moved forward to the needle 31 side together with the ram 21, and one end of the elastic body 54 is moved by the stopper 34 The pressing piece 36 formed on the link 35 presses the one end of the elastic body 54 in the state where the movement is blocked, thereby generating the elastic compression action.

(2) the second length adjusting operation

When the user rotates the body 10 in the counterclockwise direction, the following linking operations occur continuously and the second length adjustment in which the length of the needle 31 is changed to the state shown in FIG. 11 (b) An action occurs.

(a ') Rotation of the body 10 in the counterclockwise direction → (b') The housing 29 connected to the body 10 rotates counterclockwise in the clockwise direction → (c ') the guide rail 220 The pitch ring 100 is rotated in the counterclockwise direction by rotating the pitch ring 100 in the counterclockwise direction. (D ') The first thread 130 is engaged with the second thread 49, The elastic body 54 is gradually restored and the resilient restoring force pushes the ram 21 in the other direction (that is, the side of the body 10) to move the ram 21 backward (I.e., the needle 31 is reduced in the degree of protrusion of the cartridge 33) is generated by the backward movement of the needle 31 connected to the ram 21,

As a result, according to the skin beauty device of the present invention, when the body 10 is rotated clockwise or counterclockwise, the length of the needle 31 can be adjusted. Accordingly, It is possible to omit the needle length adjusting ring, thereby greatly improving the apparatus grip feeling and the stability of the operation.

The power supply unit 13 of the present invention is configured to supply a current to the coil 25 and when a current is supplied from the power supply unit 13 to the coil 25 through the control of the control unit 17, (27) is induced.

According to a preferred embodiment, the power supply unit 13 may be configured in the form of a battery and be embedded in the body 10, and the battery may be constructed of, for example, a rechargeable and reusable secondary battery.

In addition, when the battery is constituted by a secondary battery, the charging port 12 may be further provided. The charging port 12 may be mounted on the circuit board 17 electrically connected to the battery or in a separate area connected to the circuit board 17. [

2 and 3, the charging port 12 is mounted on the circuit board 17 so as to be positioned at one end of the inside of the body 10. An open mouth is formed at one end of the body portion 10, and the open mouth is structured such that the stopper 11 is detachably coupled. The plug 11 is formed with a connection hole at a position facing the charging port 12 so that the charging port 12 can be exposed to the outside through the connection hole to be connected to the charging unit.

The power switch 15 of the present invention is not limited in particular as long as it is a means for inputting an On / Off signal of the electric device as means for operating the operation and stop of the skin care device. For example, the power switch 15 may be configured by a touch method such as a touch pad, a pressing method such as an elastic button, or a toggle switch method. According to a preferred embodiment, the power switch 15 may comprise a touch sensor and may be provided in the interior space of the body part 10 together with the control part 17. In this case, the touch sensor can be closely disposed on the inner surface of the body 10 for smooth reception of the touch signal.

According to a preferred embodiment, the skin care device of the present invention may further include an adapter 50, a backflow preventing film 45, and a light setting portion 19. [

The adapter 50 according to the present invention is configured so as to correspond to various kinds of needle parts used as consumables. For example, in the case of a needle part having a needle 31 of a first type, a first adapter having a suitable structure is used So that the needle portion can be coupled to the skin-beauty device, and in the case of the needle portion having the second-type needle 31, a second adapter having a suitable structure can be used to couple the needle portion to the skin-

One end of the adapter 50 is coupled with the cartridge 33 and the other end is coupled with the grip portion 40 so that the needle portion can be connected to the body portion 10. According to a preferred embodiment, the adapter 50 can be configured to be detachably coupled to the cartridge 33 and the grip portion 40 through an interference fit, a screw tightening, or the like.

Both ends of the adapter 50 are formed to be open and hollow so that at least a part of the ram 21 and the link 35 are arranged in the hollow interior of the adapter 50.

In the skin-beauty apparatus of the present invention, blood, mucus, and other contaminants discharged from the skin of the subject can be introduced into the cartridge 33 through the needle 31 in the course of penetration of the needle 31 into the skin of the subject .

The backflow prevention membrane 45 of the present invention is configured to block the case where the contaminant that flows into the needle portion flows to the body portion 10 side and flows into the movable portion 20 to the body portion 10 as described above.

The backflow prevention film 45 is provided in the form of a film which is tightly bonded to the inner circumferential surface of the grip portion 40 so as to block the hollow of the grip portion 40 in the vertical direction. (47) are formed. Therefore, the inner hollow of the grip portion 40 is physically shielded from the left side region (i.e., the needle side side) and the right side region (i.e., the side of the body portion 10) with reference to the backflow prevention film 45 .

Even if the contaminant flows into the apparatus through the needle 31, the contaminant can not be further moved toward the body 10 due to the blocking of the reverse blocking film 45, Lt; / RTI >

The illuminating unit 19 of the present invention includes a light source for emitting light and a fixture for fixing the light source to a predetermined position when the skin beauty apparatus is on.

According to a preferred embodiment, the light source may employ a light emitting element such as an LED, and the light emitting elements may be arranged so that a plurality of the light emitting elements are arranged along the edge of the fixture. The light setting unit 19 may be disposed and fixed to the front end of the power supply unit 13 and may be embedded in the body unit 10 together with the power supply unit 13. [

When the light-directing part 19 is built in the body 10, the body 10 is made of plastic or the like so that at least a part of the light emitted from the light- . For example, the body 10 may be formed of a synthetic resin material such as PET, PE, PMMA, PS, PC, or the like.

According to the above structure, the light source of the light control unit 19 is turned on when the skin beauty apparatus is turned on, and a part of the light emitted from the light source passes through the body and is transmitted to the outside. Whereby the practitioner or the user can visually recognize immediately that the skin care apparatus is in the current operating state.

The inventors of the present invention have discovered a phenomenon in which a forward motion of a magnetic body can not be generated even when a current is applied to a coil in a predetermined forward movement of the magnetic body for the above first operation of the apparatus. A stopper provided satisfactorily was designed.

Specifically, when the rear end of the magnetic body is positioned out of the critical position by free flow before the skin-beauty apparatus is driven or by returning the magnetic body by the second operation, even if a current is applied to the coil, Which is a phenomenon that can not occur. Hereinafter, the term "rear end of the magnetic body" refers to terminations at both ends of the magnetic body, that is, opposite ends facing the needle 31 side and opposite ends of the other termination end facing the body 10, Quot; critical point " refers to a second final stage to be described later.

FIG. 12 is an exploded perspective view of a bobbin and a stopper in which a coil is wound according to the present invention, and FIG. 13 is an assembled cross-sectional view of FIG.

The coil 25 is wound from one end to the other end of the bobbin 23 along the longitudinal direction thereof. Hereinafter, a final end closer to the needle 31 side on both ends of the coil 25 will be referred to as a first end And the final end closer to the body 10 side will be referred to as a " second final end 25b ".

12 and 13, the stopper 250 of the present invention is provided on the first final end 25a side and the second final end 25b side of the second final end 25b side, At least the front end of the stopper 250 is located in front of the second final end 25b or at least a part of the region of the stopper 250 is protruded forward of the second final end 25b. Here, the 'forward end of the second final end 25b' refers to the direction from the second final end 25b toward the needle 31 side.

With such a configuration, the flowable range of the magnetic body 27 is limited to the front of the second final stage 25b. That is, the magnetic body 27 can be moved to the second final stage 25b side by the free flow during the power off state or upon the return by the second operation. At this time, The point of maximum movement to the end 25b corresponds to the front region of the second final end 25b. In other words, the magnetic body 27 is prevented from being moved by the stopper 250 at a position spaced from the second final stage 25b by a predetermined distance K5 from the second final stage 25b toward the needle 31 and reaches the second final stage 25b I will not.

According to a preferred embodiment, the stopper 250 is provided such that its tip is located 2 to 6 mm forward from the second final stage 25b, or protrudes 2 to 6 mm forward of the second final stage 25b. Thus, the flowable range of the magnetic body 27 is limited to a point 2 to 6 mm ahead of the second final stage 25b.

12, the stopper 250 may be formed of a tubular member and configured to be inserted into the hollow of the bobbin 23 through an opening formed at one end of the bobbin 23. And a stopper 252 for allowing the stopper 250 to be inserted and fixed in place in the bobbin 23 cavity.

The stopper 252 is formed in the shape of an outward flange on the periphery of the stopper 250 as shown in Fig. 12 and the stopper 252 is engaged with one end of the bobbin 23, So that they can be placed. Here, the 'right position' means that the tip of the stopper 250 is positioned 2 to 6 mm forward from the second final stage 25b.

According to the configuration of the stopper 250 as described above, the flowable range of the magnetic body 27 is restricted to the front of the second final stage 25b, whereby even if a current is applied to the coil 25, It is possible to eliminate the phenomenon that the motion is not generated. Accordingly, it is possible to ensure that the needle 31 normally reciprocates without any malfunction of the apparatus.

While the preferred embodiments of the present invention have been described and illustrated above using specific terms, such terms are used only for the purpose of clarifying the invention, and it is to be understood that the embodiment It will be obvious that various changes and modifications can be made without departing from the spirit and scope of the invention. Such modified embodiments should not be understood individually from the spirit and scope of the present invention, but should be regarded as being within the scope of the claims of the present invention.

10: body part 11: stopper
12: Charging port 13: Power supply
15: power switch 17:
19: roughing part 21: ram
22: striking part 23: bobbin
25: coil 27: magnetic body
28: insertion projection 29: housing
31: Needle 33: Cartridge
34: stopper 35: link
36: compression piece 40: grip part
45: reflux preventing film 49: second thread
50: adapter 54: elastomer
100: pitch ring 110: ring body
130: first screw thread 140: rail groove
135: screw fastening part 200:
220: guide rail 230: O-ring
250: Stopper

Claims (10)

A body portion; A needle portion including a needle and a cartridge for receiving at least a portion of the needle therein; A movable portion including a ram connected to the needle, the movable portion driving the ram to generate motion of the needle; A grip portion connected between the needle portion and the body portion, the grip portion receiving at least a part of the movable portion in the hollow interior; A needle adjuster for adjusting the length of the needle; And an elastic body for elastic compression / restoration operation,
Wherein,
A pitch ring through which the ram passes through the center and in which a first thread is formed; A second threaded portion formed on an inner peripheral surface of the grip portion and engaged with the first threaded portion; A pressing piece formed on the ram region in front of the pitch ring; And a housing in which the pitch ring is fluidly connected at one end and the body is coupled at the other end,
When the body part is rotated in a clockwise direction, the pitch ring rotates clockwise by the first screw thread and the second screw thread to push forward the pushing piece in one direction to generate a first length adjusting operation of the needle,
The pitch ring is rotated counterclockwise by the first screw thread and the second screw thread to move backward when the body part is rotated counterclockwise and the ram is pushed in the other direction by the elastic restoring force of the elastic body, Wherein the second length adjusting operation of the second length adjusting mechanism is performed.
The method according to claim 1,
Wherein the housing includes a guide rail protruding toward the front of the housing,
The pitch ring includes a ring body having a through hole formed therethrough; A rail groove movably coupled to the guide rail; And a screw fastening portion formed on the ring body to form the first screw thread,
Wherein the pitch ring is provided to be movable forward and backward on the guide rail in the longitudinal direction of the guide rail by the rail groove,
Wherein the housing rotates clockwise in the clockwise direction of the body portion and the guide rail rotates the pitch ring in a clockwise direction so that the pitch ring is moved forward,
Wherein when the body rotates counterclockwise, the housing rotates counterclockwise in place, and the guide rail rotates the pitch ring in a counterclockwise direction so that the pitch ring is moved backward. .
3. The method of claim 2,
The screw fastening portion is formed in an annular shape and protrudes from a side surface of the ring body, and a plurality of the screw fastening portions are spaced apart from each other,
Wherein the rail groove is provided in a groove structure between the plurality of screw fastening portions,
Wherein the guide rail is formed in a columnar shape and is configured to be seated in the rail groove.
The method according to claim 1,
The elastic body may be,
Wherein the elastic member is formed of a tubular body of elastic material having a spiral or bellows-like concavo-convex portion, or is constituted by a spring, and is operated to be compressed when the pressing member is moved in one direction.
The method according to claim 1,
Wherein,
A bobbin having a hollow; A coil wound around the bobbin; A magnetic body disposed to be flowable in the hollow; And the ram having one end opposite to the magnetic body and the other end connected to the needle,
The movement of the needle,
A first operation when a current is applied to the coil and a second operation when no current is turned on,
Wherein the first operation comprises:
The ram is pushed in one direction by the motion of the magnetic body by the application of the current, so that the advance operation of the needle and the compression operation of the elastic body are generated,
The second operation may include:
The retracting operation of the needle and the returning operation of the magnetic body are generated by pushing the ram in the other direction by the elastic restoring force of the elastic body.
The method according to claim 1,
Wherein the pressing piece is formed to protrude outwardly in the form of an outward flange at a portion of the ram corresponding to the front of the pitch ring.
The method according to claim 1,
Further comprising a backflow preventing layer for preventing the treatment contaminant introduced into the needle portion from moving toward the body portion,
Wherein the backflow prevention membrane is provided in the form of a membrane for blocking the hollow of the grip portion, and a through hole through which the ram penetrates is formed in a center portion thereof.
The method according to claim 1,
Wherein the one end portion is coupled to the needle and the other end portion is coupled to the ram, thereby linking the ram and the needle.
The method according to claim 1,
Wherein the body is formed of a material through which at least a part of light is transmitted,
And a dimmer unit provided in the body and illuminated when the needle is reciprocatingly driven.
The method according to claim 1,
A control unit provided in the body part;
A charging port provided in the body part;
A battery provided inside the body portion and electrically connected to the charging port; And
Further comprising a connection hole formed in one end of the body portion or in a plug detachably coupled to the one end portion of the body portion, the connection hole being formed to penetrate the charging port in opposition to the charging port.

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