JP5553274B2 - Electric eyelash brush - Google Patents

Description

  The present invention relates to an electric eyelash brush, and more particularly to an electric eyelash brush that can vibrate and rotate forward and backward.

  Since some conventional electric eyelash brushes are provided with a vibration motor, the electric eyelash brush can vibrate, and since the vibration motor is provided with an eccentric block on its shaft, it is provided on the shaft during rotation. The electric eyelash brush can be vibrated by the centrifugal force generated by the eccentric block.

  Meanwhile, a brush rod of a conventional electric eyelash brush is inserted into a bottle filled with cosmetic liquid, and the cosmetic liquid leaks from the opening of the bottle, and the spiral provided in the bottle opening, or the brush rod and the brush rod There was a problem of solidification between the bodies.

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  The main object of the present invention is to provide an electric eyelash brush that can vibrate and can rotate forward and backward, and in which the cosmetic liquid to be filled does not leak from the opening of the bottle.

According to the electric eyelash brush of the present invention, there is an accommodation space, and the accommodation space is provided with a power supply unit and a DC motor that is electrically connected to the power supply unit and can rotate forward and backward. Includes a rotor and a shaft, and the rotor can go around the shaft, has at least one weight, and has a main body whose center of gravity deviates from the axis of the shaft, and one end Is connected directly or indirectly to the shaft, and has a brush rod provided with a brush head at the other end, a liquid storage chamber, and an opening. The opening communicates with the liquid storage chamber, and the brush rod extends from the opening. A bin that is inserted into the liquid storage chamber, and a sealing bush is provided on the brush rod, and when the main body and the bin are coupled, the sealing bush Ri said opening Ri Do in the sealed state the liquid storage chamber is sealed, the brush rod is West stage is formed, the sealing bush has a coupling stage, and Hamagodan, wherein the bond The step has a hole diameter corresponding to the waist step, the outer diameter of the fitting step is larger than the hole diameter of the coupling step, and the coupling step is fitted into the waist step .

  According to the electric eyelash brush of the present invention, a speed reduction mechanism is further provided between the shaft and the brush rod, and a connector is further provided between the speed reduction mechanism and the brush rod. And

  According to the electric eyelash brush of the present invention, a changeover switch is further provided between the power supply unit and the DC motor, and the changeover switch controls the current flow direction so as to rotate the DC motor forward and backward. It can be switched.

  According to the electric toothbrush brush of the present invention, it further includes a bush with an inner thread, the bush with the inner thread is provided at the front end of the main body, has an inner thread, and an outer thread is provided on the outer surface of the opening, The outer screw is screwed with the inner screw of the bush with inner thread, a resin bush is provided on the inner surface of the opening, the brush rod is inserted into the liquid storage chamber from the resin bush, and the main body and the bottle are In the case of coupling, the front edge of the sealing bush is in close contact with the resin bush.

  According to the electric eyelash brush of the present invention, it further includes a rotating bush, the rotating bush is rotatably fitted on the peripheral surface of the main body, two restriction blocks are provided on the inner surface of the rotating bush, and the main body A lateral rail is provided on a side surface of the lateral rail, the changeover switch is slidably provided on the lateral rail, the changeover switch is provided between the two restriction blocks, and when rotating the rotating bush, Two restriction blocks drive the changeover switch, and the changeover switch slides along the lateral rail, so that the changeover switch controls the current flow direction to switch the forward / reverse rotation of the DC motor. It is characterized by being able to.

  According to the electric eyelash brush of the present invention, the rotor includes three coil units, and any two coil units have an opening angle of 120 degrees, a gap is provided therebetween, and at least one weight is provided. It is characterized by being provided in one or two of these gaps.

  According to the electric eyelash brush of the present invention, the brush head is further provided with a small diameter step, and the small diameter step is located between the waist step and the brush head.

  According to the electric eyelash brush of the present invention, an automatic electric interruption integrated circuit is further provided between the power supply unit and the DC motor.

  According to the electric eyelash brush of the present invention, it can vibrate and can rotate forward and backward, and has an effect that the cosmetic liquid to be filled does not leak from the opening of the bottle.

It is a disassembled perspective view of the electric eyelash brush of one Embodiment of this invention. It is a perspective view of the combination state of the electric eyelash brush of one Embodiment of this invention. It is sectional drawing of the combined state of the electric eyelash brush of one Embodiment of this invention. It is sectional drawing of the main body which concerns on this invention. It is sectional drawing of the DC motor which concerns on this invention.

  Hereinafter, embodiments of the present invention will be described with reference to the drawings.

  First, FIG. 1 to FIG. 3 will be referred to. The electric eyelash brush according to an embodiment of the present invention includes a main body 1, a brush rod 2, a bottle 3, a bush 4 with an internal thread, and a rotating bush 5 and further includes the main body 1 and the internal thread. A grip bush 8 that is fitted on the outer surface of the bush 4 is included.

  The main body 1 has a housing space 11, and a power source unit 14 and a DC motor 12 that is electrically connected to the power source unit 14 and can be rotated forward and backward are provided in the housing space 11. A changeover switch 13 is preferably provided between the power supply unit 14 and the DC motor 12. The forward / reverse rotation of the DC motor 12 can be switched by controlling the current flow direction by the changeover switch 13. The changeover switch 13 preferably has at least three changeover positions. The three switching positions are an off position, a normal rotation position, and a reverse rotation position. The DC motor 12 includes a rotor 121 and a shaft 122, and further includes members such as a stator, an electric brush, and a rectifier. The rotor 121 can go around the shaft 122, has at least one weight 123, and the center of gravity of the rotor 121 deviates from the axis of the shaft 122. Refer to FIG. 3C. In this embodiment, the rotor 121 includes three coil units 124, and any two coil units 124 have an opening angle of 120 degrees, a gap 125 is provided therebetween, and the two weights 123 are provided. Are provided in two of the gaps, so that the center of gravity of the rotor 121 deviates from the axis of the shaft 122. Meanwhile, the main body 1 includes an upper portion 101 and a lower portion 102 pivotally attached to the upper portion 101, and the accommodation space 11 is formed between the upper portion 101 and the lower portion 102. When the user wants to replace the battery, the battery can be replaced simply by pulling out the rotating bush 5 and opening the upper part 101 and the lower part 102. Further, as shown in FIG. 3A, the annular convex edge may extend from the front end of the main body 1 to the bin 3 along the axial direction of the bin 3, or as shown in FIG. 4 may extend from the inside of the bottle 4 to the bin 3.

  The brush rod 2 has a first end 21 and a second end 22. The first end 21 is connected to the shaft 122 directly or indirectly, and when the shaft 122 rotates, the brush rod 2 also rotates. A brush head 23 is provided at the second end 22. A speed reduction mechanism 6 is further provided between the shaft 122 and the brush rod 2, and a speed ratio between the shaft 122 and the brush rod 2 can be changed by the speed reduction mechanism 6. Further, a connector 7 is provided between the brush rod 2 and the brush rod 2. In this embodiment, although the said connector 7 is integrally molded with the said brush rod 2, you may make them separate. The speed reduction mechanism 6 is provided with a geometric cross-section shaft 61, and a geometric hole 71 is provided at the end of the connector 7 (or the end of the brush rod 2). Inserted into the geometric hole 71, so that the geometric cross-section shaft 61 can rotate synchronously with the brush rod 2. When the brush rod 2 is provided with a sealing bush 24 and the main body 1 and the bin 3 are coupled, the opening 32 of the bin 3 is sealed by the sealing bush 24 so that the liquid storage chamber 31 is sealed. Become. Further, the brush rod 2 is formed with a waist step 25, the sealing bush 24 has a coupling step 241 and a fitting step 242, and the coupling step 241 has a hole corresponding to the waist step 25. The fitting step 242 has an outer diameter larger than the hole diameter of the coupling step 241, and the coupling step 241 is fitted in the waist step 25, so that the sealing bush 24 is connected to the brush rod 2. Cannot slide against. On the other hand, the brush head 2 is further provided with a small diameter step 26, and the small diameter step 26 is located between the waist step 25 and the brush head 23.

  The bin 3 has a liquid storage chamber 31 and an opening 32 provided at one end of the bin 3, the opening 32 communicates with the liquid storage chamber 31, and the brush rod 2 passes through the opening 32 to store the liquid. Insert into chamber 31. Specifically, a resin bush 33 is provided on the inner surface of the opening 32, and the brush rod 2 is inserted into the liquid storage chamber 31 from the resin bush 33. When the main body 1 and the bin 3 are coupled, the front edge of the sealing bush 24 is in close contact with the resin bush 33. The sealing bush 24 and the resin bush 33 are made of a material having elasticity, and the hardness of the sealing bush 24 is preferably harder than the hardness of the resin bush 33. As a result, the sealing effect is further improved. The resin bush 33 has a hole diameter corresponding to the outer diameter of the brush rod 2, thereby removing the cosmetic liquid adhering to the brush rod 2. When the brush rod is pulled out from the liquid storage chamber 31 by the small diameter step 26, air enters the liquid storage chamber 31 via the small diameter step 26. Thereby, the brush rod can be easily pulled out from the liquid storage chamber 31.

  The electric eyelash brush according to one embodiment of the present invention further includes an internally threaded bush 4, and the internally threaded bush 4 is provided at the front end of the main body 1 and has an internal thread. An external thread is provided on the outer surface of the opening 32, and the external thread is screwed with the internal thread of the bush 4 with the internal thread. Specifically, the internal threaded bush 4 has a large-diameter groove 41 and a small-diameter through hole 42, and the through hole 42 is away from the bin 3 of the internal threaded bush 4. Provided on the inner surface 43, communicated with the groove 41, and the internally threaded bush 4 has an annular convex edge 44. The annular convex edge 44 surrounds the through-hole 42 and extends from the inside of the inner surface 43 to the bin. And the fitting step 242 of the sealing bush 24 is fitted to the annular convex edge 44, so that the possibility of cosmetic liquid entering the housing space 11 of the main body 1 is further reduced.

  The electric eyelash brush according to an embodiment of the present invention further includes a rotating bush 5, the rotating bush 5 is rotatably fitted on the peripheral surface of the main body 1, and two restrictions are provided on the inner surface of the rotating bush 5. A block 51 is provided, a lateral rail 15 is provided on a side surface of the main body 1, and the selector switch 13 is slidably provided on the lateral rail 15. The selector switch 13 is configured as shown in FIG. 3B. When the rotary bush 5 is rotated between the two restricting blocks 51, the two restricting blocks 51 drive the changeover switch 13, and the changeover switch 13 slides along the lateral rail 15. Accordingly, the changeover switch 13 can control the current flow direction to switch the forward / reverse rotation of the DC motor 12. An inner surface of the rotating bush 5 is slightly provided with a circular recess, and an outer surface of the main body 1 is provided with one protrusion (not shown), and the protrusion is fitted to any of the recesses. When the protrusion engages with one of the recesses, the changeover switch 13 is located at the off position, the forward rotation position, or the reverse rotation position. A connecting means for connecting the rotary bush 5 and the main body 1 may be added.

  On the other hand, an automatic electrical interruption integrated circuit is further provided between the power supply unit 14 and the DC motor 12. The automatic electrical interruption integrated circuit is for measuring whether the DC motor 12 is operating normally. In particular, when the bin 3 and the body 1 are coupled, the sealing bush 24 and the resin bush 33 is in close contact with the brush rod 2 due to its frictional force. At this time, it is measured by the automatic electrical interruption integrated circuit that the DC motor 12 is idling, The electric circuit of the power supply unit 14 and the DC motor 12 is cut off, and damage due to idling of the DC motor 12 can be prevented.

  Thus, although the present invention has been described with reference to specific examples, the examples are for illustrative purposes only and are not intended to limit the invention, and have ordinary knowledge in the art. Those skilled in the art will recognize that changes, additions, or deletions may be made to the embodiments disclosed herein without departing from the spirit and scope of the present invention.

  The present invention can be applied to an electric eyelash brush.

DESCRIPTION OF SYMBOLS 1 Main body 2 Brush rod 3 Bin 4 Bush with internal screw 5 Rotating bush 6 Deceleration mechanism 7 Connecting tool 8 Grip bush 11 Housing space 12 DC motor 13 Changeover switch 14 Power supply unit 15 Rail 21 First end 22 Second end 23 Brush head 24 Sealing bush 25 West stage 26 Small diameter stage 31 Liquid storage chamber 32 Opening 33 Resin bush 41 Groove 42 Through hole 43 Inner surface 44 Annular convex edge 51 Restriction block 61 Geometric cross section shaft 71 Geometric hole 101 Upper part 102 Lower part 121 Rotor 122 Shaft 123 Weight 124 Coil unit 125 Gap 241 Coupling stage 242 Mating stage

Claims (8)

The housing space is provided with a power supply unit and a DC motor that is electrically connected to the power supply unit and is capable of rotating forward and reverse. The DC motor includes a rotor, a shaft, The rotor is capable of circulating around the shaft, has at least one weight, and a body whose center of gravity deviates from the axis of the shaft;
A brush rod having one end directly or indirectly connected to the shaft and a brush head provided at the other end;
A liquid storage chamber and an opening, wherein the opening communicates with the liquid storage chamber, and the brush rod is inserted into the liquid storage chamber from the opening, and
The brush rod sealing bush is provided, when coupling the body and the bottle, Ri Do the by sealing bush the opening is sealed the liquid storage chamber is sealed,
The brush rod is formed with a waist step, and the sealing bush has a coupling step and a fitting step, the coupling step has a hole diameter corresponding to the waist step, and the fitting step. The electric eyelash brush is characterized in that the outer diameter of the joint stage is larger than the hole diameter of the joint stage, and the joint stage is fitted to the waist stage .   The speed reduction mechanism is further provided between the shaft and the brush rod, and a connector is further provided between the speed reduction mechanism and the brush rod. Electric eyelash brush.   Further, a changeover switch is provided between the power supply unit and the DC motor, and the changeover switch can control a current flow direction to switch forward and reverse rotation of the DC motor. The electric eyelash brush according to claim 1. And further including an internally threaded bush, wherein the internally threaded bush is provided at a front end of the body and has an interior thread,
An external screw is provided on the outer surface of the opening, the external screw is engaged with an internal screw of the bush with the internal screw, a resin bush is provided on the inner surface of the opening, and the brush rod is supplied from the resin bush to the liquid storage. 2. The electric eyelash brush according to claim 1 , wherein a front edge of the sealing bush is in close contact with the resin bush when the body is inserted into the chamber and the main body and the bin are coupled.   The electric eyelash brush further includes a rotating bush, the rotating bush is rotatably fitted on the peripheral surface of the main body, two restriction blocks are provided on the inner surface of the rotating bush, and the side surface of the main body is provided. A transverse rail is provided, and the changeover switch is slidably provided on the transverse rail. The changeover switch is provided between the two restriction blocks. When the rotary bush is rotated, the two restriction A block drives the changeover switch, and the changeover switch slides along the lateral rail, so that the changeover switch can control the current flow direction to switch forward / reverse rotation of the DC motor. The electric eyelash brush according to claim 3, wherein:   In the electric eyelash brush, the rotor includes three coil units, and any two coil units have an opening angle of 120 degrees, a gap is provided therebetween, and at least one of the weights is one of these. The electric eyelash brush according to claim 1, wherein the electric eyelash brush is provided in one or two of the gaps. 5. The electric eyelash brush according to claim 4 , wherein the brush head is further provided with a small-diameter step, and the small-diameter step is located between the waist step and the brush head. The electric eyelash brush according to any one of claims 1 to 7 , further comprising an automatic electric cutoff integrated circuit between the power supply unit and the DC motor.