JP2010035807A - Electric hairbrush - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an electric hairbrush having a vibration isolation structure serving as a waterproofing structure around electricity, capable of efficiently transmitting vibration to firmly upright bristles with flexible tips, and excellent in brushing and massage effects. <P>SOLUTION: The electric hairbrush A includes a battery housing portion 10, a casing 50, and an intermediate connection portion 40 which connects the lower portion of the battery housing portion and the upper portion of the casing. A battery box 20 and a power switch 30 connected to the battery box are disposed inside the battery housing portion. A vibration base 60 with a built-in driving portion in the casing is mounted in the casing via vibration-proof rubber 70. The driving portion 80 is connected to the battery box and the power switch, and has a vibrator 85 to vibrate when driven by the driving portion. Bristles 100 are detachably attached or fixed to the vibration base. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to an electric hair brush capable of performing head massage while brushing.

Conventionally, electric brushes as shown in the following Patent Documents 1 to 4 are known. The electric brushes shown in Patent Documents 1 and 2 have a handle having a long axis, and a bristle is attached to the tip thereof, and the axis of the bristle is orthogonal to the axis of the handle. It is. In Patent Documents 3 and 4, a handle is provided above the bristle.
JP 2001-258974 A Utility Model Registration No. 2570990 Japanese Patent No. 399360 JP 2004-65914 A

  However, the electric brushes shown in Patent Documents 1 and 2 have the disadvantage that the electric brush becomes longer in one direction and is difficult to store, and even if the grip part is gripped and the bristle is pressed against the scalp or the like, Since the force applied to the scalp is reduced by the length, there is an inconvenience that the force is not effectively applied to the scalp, which is difficult to use. In addition, the electric brushes disclosed in Patent Documents 3 and 4 do not consider the seismic isolation for the handle, and the vibration generated from the electric brush is the same as or larger than that of the scalp. It is communicated to and makes you feel uncomfortable. Also, the waterproofing around the electricity was not sufficient.

  Therefore, in view of the above problems, the present inventor has a seismic isolation structure that suppresses as much as possible the vibration generated from the electric hairbrush from being transmitted to the hand holding the electric hairbrush, and efficiently converts the vibration into a bristle. In addition, an electric hair brush has been developed in which the seismic isolation structure is also used for waterproofing around electricity, and the bristle is firmly upright and its tip is flexible.

  An electric hairbrush according to the present invention includes a battery storage unit, a casing, and an intermediate connection unit that connects a lower part of the battery storage unit and an upper part of the casing, and a battery box is provided inside the battery storage unit. And a power base connected to the battery box, wherein the casing is provided with a vibration base provided with a drive unit built in the casing via a vibration-proof rubber, and the drive The unit is connected to the battery box and the power switch, and has a vibrator that vibrates when driven by a drive unit, and a bristle is attached to the vibration base in a detachable or fixed manner. It is what.

  With the configuration described above, when a battery is inserted into the battery box and the power switch is turned on, the vibrator vibrates with the drive of the drive unit, and this vibration is transmitted to the bristle through the vibration base provided with the drive unit. Although it is transmitted directly, the casing is connected to the vibration base provided with the drive unit via the anti-vibration rubber, so the casing, the intermediate connection unit connected to the casing and the battery storage unit are generated from the drive unit. The vibration to be transmitted is isolated and transmitted to the bristle efficiently.

  In addition to the above configuration, the anti-vibration rubber has a hollow portion that forms a watertight space other than the upper and lower openings, and the upper opening of the hollow portion is waterproof to the casing and free from the casing. In addition, the lower opening of the hollow part is attached so as to have a waterproof structure with respect to the vibration base, and the drive part is built in the watertight space of the hollow part. Good.

  With the above configuration, in addition to the seismic isolation effect on the casing by the above-mentioned anti-vibration rubber and the application of efficient vibration to the bristle, the drive unit and the electrically connected wiring are compact and waterproof with a simple structure. It arrange | positions so that it may be in a state.

  Furthermore, in addition to the above configuration, the inside of the battery housing portion is waterproof to the outside of the battery housing portion, and the battery housing portion has an opening / closing lid for taking in and out the battery when the battery box is closed. It is good also as a structure comprised so that it may be attached so that it may become watertight and ON / OFF of a power switch may be switched by the press from the battery storage part outside.

  With the above configuration, the battery box, the power switch, the drive unit, and the wiring that electrically connects them are arranged in a waterproof state.

  In addition to the above configuration, the bristle body includes a bristle substrate made of a hard resin material having a protruding bristle trunk, and a bristle tip made of a soft resin material protruding from the tip of the bristle trunk. It is good also as composition which consists of.

  Due to the above construction, in addition to the above-mentioned anti-vibration action and waterproof structure by the anti-vibration rubber, the bristle is firmly upright due to its base being hard and flexible because its tip is soft. Therefore, a comfortable brushing effect can be obtained without giving excessive vibration to the scalp and excessively stimulating the scalp.

  As described above, the electric hair brush according to the present invention has a compact and simple structure and can suppress the vibration generated from the electric hair brush from being transmitted to the hand holding the electric hair brush as much as possible. Can be efficiently transmitted to the bristle. In addition, since it is completely waterproof, it can be used perfectly as a hair brush for hair washing, and it is not excessively irritating to the scalp, imparts moderate vibration and has an excellent brushing effect and massage effect. be able to.

  Now, preferred embodiments of the present invention will be described in detail with reference to the annexed drawings.

  1 is a perspective view of the electric hair brush according to the present embodiment as viewed from above, FIG. 2 is a perspective view of the electric hair brush according to the present embodiment as viewed from below, and FIG. 3 is according to the present embodiment. 4 is a front view of the electric hair brush, FIG. 4 is a sectional view taken along line IV-IV in FIG. 3, FIG. 5 is an exploded sectional perspective view of the electric hair brush according to the present embodiment, and FIG. It is a disassembled cross-sectional perspective view of the vibration-proof rubber periphery in the electric hair brush which concerns.

  1 to 3, A denotes an electric hair brush, 10 is a battery storage portion having a disk shape, 50 is a hemispherical casing, 40 is a lower portion of the battery storage portion 10 and the casing 50. It is an intermediate connection part that connects the upper part in a watertight manner. In this case, the watertight connection means that the lower part of the battery storage part 10 and the upper part of the casing 50 and the intermediate connection part 40 between them are integrally formed, or the battery storage part 10 is bonded with an adhesive without any gap. The configuration is such that moisture does not enter the casing 50 and the intermediate connecting portion 40 from the connecting portion of the intermediate connecting portion 40. The intermediate connecting portion 40 has a constricted shape between the disc-shaped battery housing portion 10 and the hemispherical casing 50, and when operating the electric hair brush A, the disc-shaped battery housing portion 10. Is gripped by hand, or the constricted intermediate connecting portion 40 is sandwiched between fingers. The casing 50 is provided with a vibration base 60, and the bristle 100 is detachably fitted into the vibration base 60. The bristle 100 may be fixedly attached to the vibration base 60.

  As shown in FIGS. 4 and 5, the battery storage part 10 is formed of a tray-shaped container part 11 that communicates with the intermediate connection part 40 in a hollow shape, and an opening / closing lid 12, and the battery box 20 and the battery are formed therein. A power switch 30 connected to the box 20 is provided, and the inside of the battery housing portion 10 has a waterproof structure with respect to the outside of the battery housing portion. In other words, the opening / closing lid 12 provided in the battery housing portion 10 for inserting / removing the battery into / from the battery box 20 is closed by screwing the screw on the inner peripheral surface thereof and the screw on the outer peripheral portion of the container portion 11. An elastic annular packing 13 is fitted on the inner periphery of the opening / closing lid 12, and when the opening / closing lid 12 is closed with respect to the container portion 11, the top portion 11 a of the container portion 11 When the annular packing 13 is in pressure contact with each other, there is no gap between the container portion 11 and the opening / closing lid 12 and a watertight state is obtained. In addition, a circular hole is formed at the top of the opening / closing lid 12, and the circular hole is sealed with a circular resin sheet 14 to enable operation of a power switch 30 described later. The battery box 20 has a disk shape and is fixed to the container part 11 of the battery storage part 10 by screws 20a. The battery storage grooves 21 and 22 are provided on both sides except for the center part, and the battery storage groove is provided. Electrical contact terminals 21a, 21b, 22a, 22b are provided at both ends in the longitudinal direction of 21 and 22, and when the battery B is stored in the battery storing grooves 21, 22, the positive and negative electrodes of the battery B are The contact terminals 21a, 21b, 22a, and 22b are brought into contact with each other. In addition, the recesses 23 provided on both sides of the battery housing grooves 21 and 22 in the battery box 20 are provided to facilitate removal of the battery from the battery box 20. The power switch 30 is incorporated in the battery box 20, has a push-down lever 31 protruding at the center of the battery box 20, and has a structure in which ON and OFF are alternately switched by pressing the push-down lever 31. is there. The top of the push-down lever 31 is close to the lower surface of the circular resin sheet 14 provided on the opening / closing lid 12, and the push-down lever 31 is pressed by pressing the circular resin sheet 14, and the power switch 30 is turned on and off. And can be switched. One contact of the power switch 30 is connected to a contact terminal (not shown) in the battery box 20.

  The intermediate connecting portion 40 has a hollow cylindrical shape that communicates with the casing 50, and wirings a and b for connecting the battery box 20 and the power switch 30 to a motor 80 that is a driving portion described later are provided therein. Has been passed.

  The casing 50 has a hole 51 that communicates with the intermediate connecting portion 40 and has a hemispherical shape that expands downward. As described above, the casing 50 is provided with the vibration base 60 in the casing 50. The vibration base 60 has a disc shape, and a vibration isolating rubber 70 is inserted through the center of the casing 50. A hole 61 is formed.

  Further, as shown in FIGS. 4 and 5, the vibration base 60 is attached to the casing 50 via an anti-vibration rubber 70. That is, as shown in FIG. 6, the anti-vibration rubber 70 has a cylindrical shape having a hollow portion 71 that is open at the top and bottom and forms a watertight space except for the upper and lower openings 72 and 73. An upper flange 72a is extended to the periphery of the lower opening 73, and a lower flange 73a is extended to the periphery of the lower opening 73. The outer surface portion 70 'of the anti-vibration rubber 70 is formed of a bellows-like uneven surface. Yes. The anti-vibration rubber 70 is connected to the upper flange 72a of the anti-vibration rubber 70 via the ring-shaped elastic packing 52 so that the hollow portion 71 of the anti-vibration rubber 70 and the hole 51 of the casing 50 communicate with each other. The pressing ring 53 is placed on the upper flange 72a and fixed with screws 54, being applied to the inner upper surface. By this fixing, the casing 50 and the upper flange 72 a of the vibration isolating rubber 70 are waterproofed by the ring-shaped elastic packing 52. The anti-vibration rubber 70 is inserted into the hole 61 of the vibration base 60, and the lower flange 73 a of the anti-vibration rubber 70 is positioned around the hole 61 on the back surface of the vibration base 60 through the ring-shaped elastic packing 62. At the same time, a pressing disc 63 is overlapped on the lower flange 73a via a ring-shaped elastic packing 62 'and fixed with screws 64. By this fixing, the casing 50 and the lower flange 73a of the vibration isolating rubber 70 are waterproofed by the ring-shaped elastic packings 62 and 62 '. As described above, the casing 50 is directly fixed to the upper flange 72a of the vibration isolating rubber 70, and the vibration base 60 is directly fixed to the lower flange 73a of the vibration isolating rubber 70. Therefore, the casing 50 is a vibration generating source. The vibration base 60 to which the motor 80 is attached is connected in a free state via the anti-vibration rubber 70. Therefore, the vibration of the motor 80 is transmitted to the casing 50 after being seismically isolated, so that the vibration transmitted to the battery housing part 10 and the intermediate connecting part 40 that are connected to the casing 50 and grip the electric hair brush A is weak. Therefore, the discomfort to the hand caused by the conventional electric hair brush is eliminated, and the brushing operation can be comfortably performed. On the other hand, since the vibration base 60 is directly attached with a motor 80 as a vibration generation source, it can achieve a brushing effect for efficiently applying vibrations to the scalp and a sufficient massage effect. There are advantages. Further, the hollow portion 71 of the anti-vibration rubber 70 has a waterproof structure, and the inside of the intermediate connecting portion 40 communicating with the hollow portion 71 and the inside of the battery housing portion 10 all have a waterproof structure.

  A motor 80 is accommodated in the hollow portion 71 of the vibration isolating rubber 70 so that the rotating shaft 81 faces downward. The motor 80 has a mounting frame 83 screwed to the motor 80 with screws 82. And is fixed to the holding disc 63 with screws 84. The rotating shaft 81 of the motor 80 is attached with a weight 85 as a vibrator at a position eccentric with respect to the rotating shaft 81, and when the motor 80 rotates, the motor 80 vibrates due to the rotation of the weight 85. Is transmitted to the vibration base 60 through the holding plate 63.

  As described above, the bristle 100 is detachably fitted to the vibration base 60, and the bristle 100 includes a disc-shaped bristle substrate 101 fitted to the vibration base 60 and a bristle body 102. The bristle main body 102 includes a plurality of projecting bristle trunks 103 formed on the bristle substrate 101 and a bristle tip 104 protruding from the tip of the bristle trunk 103. The bristle substrate 101 and the bristle trunk 103 are integrally formed from a hard resin material, and the through hole 105 is formed in the bristle trunk 103 in the axial direction, and the through hole 105 is filled with the soft resin material from the bristle substrate 101 side. The bristle tip 104 is formed by mold forming such as double molding or simultaneous molding of soft synthetic resin flowing out from the through hole 105. The bristle tip 104 has a tapered conical shape with a rounded tip. Therefore, even if force is applied to the bristle tip 104 in the direction in which it is tilted, the bristle stem 103 does not fall down, and the bristle tip 104 that contacts the scalp has flexibility made of a soft synthetic resin. In addition, since the tip thereof is round, even if the bristle tip 104 is strongly pressed against the scalp, no excessive stimulation is applied.

  Since the electric hair brush A in this embodiment is configured as described above, when the battery B is inserted into the battery box 20 and the power switch 30 is turned on, the weight 85 rotates and vibrates as the motor 80 rotates. Since the vibration base 60 is directly fixed to the casing 50, this vibration is directly transmitted to the bristle 100 through the vibration base 60 provided with the motor 80, but the casing 50 is transmitted to the vibration base 60 provided with the motor 80. On the other hand, since it is connected via the vibration isolating rubber 70, vibration generated from the motor 80 is transmitted to the casing 50, the intermediate connecting portion 40 connected to the casing 50, and the battery storage portion 10 after being isolated. Become. Therefore, vibrations to the hand are alleviated regardless of whether the intermediate connecting portion 40 or the battery storage portion 10 is gripped. Further, the electric hair brush A in this embodiment can be used satisfactorily as a hair washing brush because the battery box 20, the power switch 30, the motor 80, and the wiring that electrically connects them become waterproof.

  In addition, the electric hair brush A according to the present embodiment has the bristle 100 that is firmly upright due to the bristle trunk 103 that is the base of the bristle 100 being hard, and that the bristle tip 104 is flexible. Therefore, a comfortable brushing effect and a massage effect can be obtained without giving excessive vibration to the scalp and excessively stimulating the scalp.

It is the perspective view which looked at the electric hair brush which concerns on a present Example from upper direction. It is the perspective view which looked at the electric hairbrush which concerns on a present Example from the downward direction. It is a front view of the electric hair brush which concerns on a present Example. It is the IV-IV sectional view taken on the line in FIG. It is a disassembled cross-sectional perspective view of the electric hair brush which concerns on a present Example. It is a disassembled cross-sectional perspective view of the vibration-proof rubber periphery in the electric hair brush which concerns on a present Example.

Explanation of symbols

A ... Electric hair brush B ... Battery a ... Wiring b ... Wiring 10 ... Battery storage 11 ... Container 11a ... Top of container 12 ... Opening / closing part 13 ... Elastic annular packing 14 ... Circular resin sheet 20 ... Battery box 20a ... Screw 21 ... Battery storage groove 21a ... Contact terminal 21b ... Contact terminal 22 ... Battery housing groove 22a..Electrical contact terminal 22b..Electrical contact terminal 23... Depression 30... Power switch 31 .. Push-down lever 40. 52 ... Ring-shaped elastic packing 53 ... Holding ring 54 ... Screw 60 ... Vibrating base 61 ... Vibrating base hole 62 ... Ring-shaped elastic packing 62 '... Ring Elastic packing 63 ... Pressing Rotating disc 64... Screw 70... Anti-vibration rubber 70 ′ .. Outer surface portion of anti-vibration rubber 71... Hollow portion of anti-vibration rubber 72. Anti-vibration rubber lower opening 72a ... Anti-vibration rubber upper flange 73a ... Anti-vibration rubber lower flange 80 ... Motor 81 ... Rotary shaft 82 ... Screw 83 ... Mounting frame 84 ... Screw 85 ... Weight 100 ... Bristle 101 ... Bristle substrate 102 ... Bristle body 103 ... Bristle trunk 104 ... Bristle tip 105 ... Bristle trunk through-hole

Claims (4)

A battery storage unit, a casing, and an intermediate connection unit for connecting the lower part of the battery storage unit and the upper part of the casing,
The battery storage unit includes a battery box and a power switch connected to the battery box,
In the casing, a vibration base provided with a drive unit built in the casing is attached to the casing via a vibration isolating rubber,
The drive unit is connected to the battery box and the power switch, and has a vibrator that vibrates when the drive unit is driven,
An electric hair brush characterized in that a bristle is detachably or fixedly attached to the vibration base.   The anti-vibration rubber has a hollow part that forms a watertight space other than the upper and lower openings, and is attached so that the upper opening of the hollow part has a waterproof structure with respect to the casing, and the lower opening of the hollow part 2. The device according to claim 1, wherein the portion is attached to the vibration base so as to be waterproof and free from the casing, and the drive portion is built in the watertight space of the hollow portion. Electric hair brush.   The inside of the battery storage part is waterproof to the outside of the battery storage part, and the battery storage part is attached so that the opening / closing lid for inserting / removing the battery to / from the battery box is watertight when the cover is closed, The electric hair brush according to claim 1 or 2, wherein the electric hair brush is configured to be switched between ON and OFF of a power switch by pressing from outside the battery storage unit.   The bristle includes a bristle substrate made of a hard resin material having a protruding bristle trunk, and a bristle body that protrudes from the tip of the bristle trunk and has a bristle tip made of a soft resin material. The electric hair brush according to claim 1 or 2.

Images