JPH021483B2 - - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a beauty device that uses a rotating brush to cleanse, massage, and exfoliate the skin of hands and feet.

Conventionally, a device with a motor installed in the main body, a drive shaft provided in the opening of the main body, and an attachment attached to the drive shaft (for example, the Utility Model No.
JP-A No. 56-97411, Utility Model Application No. 56-53425), a switch operator is usually provided in the grip, which poses a risk of erroneous operation when gripping, and also has the disadvantage that the appearance of the grip is not clear. be.

On the other hand, it is conceivable to provide a switch operator in the opening.

However, there is a drawback that the amount of protrusion of the attachment increases as the amount of protrusion of the opening increases.

Therefore, an object of the present invention is to avoid increasing the amount of protrusion of the opening and the attachment.
An object of the present invention is to provide a beauty device in which a switch operator can be provided in an opening.

An embodiment of the invention is shown in FIGS. 1 to 13. That is, in this beauty device, a main body 1 is composed of a main body cover 2 which also serves as a handle, and a battery cover 3, both of which are approximately cylindrical in shape and are detachably connected to each other through threaded portions 5a and 5b via an accent ring 4 which also serves as a seal. (Figure 4). The battery cover 3 has a battery holding rib 3a on the inside, a lower cover 6 is welded and fixed to the rear end (Fig. 3), a cathode spring 7 is provided inside the lower cover 6, and a cathode spring 7 is provided along the inside surface of the battery cover 3. A current-carrying metal fitting 8 integrally formed with the cathode spring 7 is provided. Then, two dry cells 9a and 9b are loaded in series through the female threaded portion 5b of the battery cover 3. At the joint between the main body cover 2 and the battery cover 3, the accent ring 4 is made of a sealing member such as a gasket, and has an L-shaped cross section as shown in FIG. protrudes radially outward by a predetermined amount a so that it is easy to get caught. A battery fitting 10 is attached to the male threaded portion 5a of the main body cover 2 at the connecting portion (fifth
Fig. 6). The battery fitting 10 has a cylindrical shape with a flange 10a, and has a cathode energizing dowel 10b formed at the bottom, an anode insertion portion 10c of the dry batteries 9a, 9b, and a switch side wiring portion 10d. Further, a plurality of locking protrusions 10e are cut and raised on the circumferential body portion, and correspondingly, a hooking hole 11 is formed in the male threaded portion 5a. To attach the battery fitting 10, insert the battery fitting 10 into the male threaded portion 5a, and press the locking protrusion 10e.
is locked in the hook hole 11. At this time, the brim 10a
is located at the end face of the male threaded portion 5a. As a result, the battery fitting 10 is fixed and does not have the role of supporting the motor 12 loaded on the main body cover 2, and when the main body cover 2 is connected to the battery cover 3, the folded part 8a at the tip of the battery fitting 8 is electrically connected to the brim 10a. Contact.

An opening 13 is formed on the side opposite to the connection side of the main body cover 2 so as to slightly protrude toward the circumferential side, and the back wall of the opening 13 is curved in an arc shape to express an L-shape. A forward/reverse motor 12 is installed inside this main body cover 2.
and the gearbox 14 is installed. The gearbox 14 consists of a cover part 15 and a flat main body part 16, and has three mounting parts 17a to 17 on the main body part 16.
c from the opening 13 of the main body cover 2 to the mounting boss 1.
8 with a screw (not shown) (7th
figure). 19 is a positioning section. gearbox 1
4, a shaft 23 having a crown gear 21 and a pinion 22 coaxially is supported near the motor insertion port 20 of the cover part 15, and a drive shaft 24 extending from the main body part 16 parallel to this shaft 23 is supported. A spur gear 25 integrally formed on the drive shaft 24 meshes with the pinion 22. On the other hand, the motor 12 has a small gear 26 fixed to the motor shaft 12a, and is inserted through the male threaded part 5a of the main body cover 2, and the small gear 26 enters the motor insertion opening 20 of the cover part 15 and meshes with the crown gear 21. , the front end surface of the motor 12 is pressed against the surface of the cover part 15 via the buffer ring 27. As shown in FIG. 6, this motor 12 has motor terminals 28a and 28b protruding from the rear end surface, and mounting holes 30a and 30b of a motor board 29 are press-fitted into these motor terminals 28a and 28b to support the motor board 29. , an anode contact portion 31 is formed in the center of the outer surface of this motor board 29, and mounting holes 30a,
Contact parts 32a and 32b are provided to contact the motor terminals at the same time as 30b is press-fitted, and an arcuate cathode contact part 33 is formed on the peripheral edge of the substrate 29, and terminals are electrically connected to these contact parts 31, 32a, 32b, and 33. The portions 34a to 34d are gathered together at one edge of the substrate 29 via the conductive portion 35. The motor 12 is supported by the battery fitting 10 via the motor board 29 so as not to be removed, and its cathode energizing dowel 10b contacts the cathode contact portion 33 of the motor board 29. Further, a plurality of protrusions 36 are formed around the drive shaft 24 on the outer surface of the main body 16 of the gearbox 14, and a switch board 8 is attached to the main body, which has a hole 37 into which the drive shaft 24 is loosely inserted and a mounting hole 39 into which the protrusion 36 is press-fitted. The switch board 38 is held in the main body part 16 by press-fitting into the protrusion 36 of the section 16 and the drive shaft insertion rib 36a (Fig. 7), and the four fixed contacts 40a to 40a around the drive shaft 24 are connected to the surface of the switch board 38. 40b are arranged in an annular shape, and their lead wires 41a to 41d are placed between the side of the motor 12 and the inner surface of the main body cover 2, and are connected to the terminal portions 34a to 34d of the motor board 29.

In the opening 13 of the main body cover 2, the upper cover 42 that constitutes the opening of the main body 1 has two screws 43a,
43b, and an accent ring 44 that also serves as a seal is interposed at the joint, and the upper cover 42 is a cylindrical body with an inner flange 45 formed at the bottom (FIG. 10). The drive shaft 24 is passed through the hole 46 that has been formed, and a switch operator mounting groove 46 is formed on the edge of the hole on the side of the switch board 38.
It forms a. Furthermore, a notch 42a is formed at the edge of the upper cover 42, which is a cylindrical opening (FIG. 8). The switch operator 47 has a loosely fitting part 47a that fits into the upper cover 42 as shown in FIG. A handle 47c for use is integrally formed. Loose fitting part 47a
It is formed in a cylindrical shape, and has a hole 48 formed in the center of its bottom part through which the drive shaft 24 passes, and a retaining protrusion 49 protruding in the radial direction with a semicircular cross section as shown in FIG. 10 on the outer peripheral edge of the bottom part. The fixed contact 40a is on the bottom surface.
Two pairs of contact bridging springs 50a that contact ~40d,
50b is heat-sealed, and a regulating protrusion 51 of a predetermined height is formed at a predetermined position on the bottom surface. The switch operator 47 is installed by passing the drive shaft 24 through the hole 48 and fitting the loosely fitting part 47a into the upper cover 42, and then pushing it into the hole 46 of the upper cover 42 to close the retaining protrusion 47.
is fitted into the groove 46a to rotatably support the switch operator 47 (FIG. 11). At this time, the cross section V
When the sealing member 52, which is an example of a letter-shaped O-ring, is tightly fitted to the outer periphery of the loose fitting portion 47a and attached to the upper cover 42, the inner brim 45 of the upper cover 42
and is tightly sealed to the inner surface of the upper cover 42.
Also, in this fitted state, the bridging springs 50a, 5
0b is 2 between each fixed contact 40a to 40d
In addition, the protrusion 51 faces the switch board 38 at a predetermined distance b (FIGS. 9 and 10). That is, this gap b is caused by the switch board 38 floating up from the main body part 6 of the gearbox 14 due to vibration etc.
Even if you press a and 50b more than necessary, the bridging spring 50
The floating of the switch board 8 is restricted so that a and 50b are within the elastic deformation range, and at the same time, the switch board 38 is prevented from coming off (within this range, it is prevented from coming off due to the dimensional relationship). When the switch operator 47 is installed, a sealing member 53 with an M-shaped cross section is attached to the inner bottom of the loose fitting portion 47a on the drive shaft 24.
The seal members 53, 52, and accent ring 44 make the opening 13 waterproof. Further, the arm 47b of the switch operator 47 is positioned to cover the head of one of the screws 43b to prevent the upper cover 42 from being accidentally removed. As shown in FIG. 8, a spring arm 55 with a click protrusion 54 projecting from the center is formed on the inside of the handle 47c of the switch operator 47, and a groove is formed on the outer peripheral surface of the upper cover 42 corresponding to the click protrusion 54. 56, and click grooves 57a to 57a are formed at predetermined positions at predetermined intervals on the bottom surface thereof.
57c are provided, and the protrusion 54 engages with these. 58 is an upper cover sliding part, and 59 is a handle hook part.

As shown in FIG. 13, a circumferential groove 60 is formed in the inner cylindrical portion of the upper cover 42 above the loose fitting portion 47a of the operator 47 fitted therein, and a fixed brush 61 is attached to this circumferential groove 60. The fixed brush 61 is the 12th
As shown in the figure, an annular projection 62 formed on the outer periphery of the mounting tube 61a is fitted into the circumferential groove 60 for installation. The rotating brush 63 is located inside the fixed brush 61, and its mounting portion 63a is fitted onto the drive shaft 24, and its tip is close to the loose fitting portion 47a of the operator 47 inside the upper cover 42. There is. The coupling portion between the drive shaft 24 and the brush 63 is a rectangular cylindrical fitting, and the drive shaft 24 is
A split 64 is formed in the radial direction, and an uneven portion 65 is formed in the radial direction (FIG. 3).

FIG. 4 shows a file attachment 66 for removing calluses from hands and feet, which is attached to the drive shaft 24 in place of the brushes 61 and 63. This file is formed into the shape shown in the figure using a lightweight foam concrete molding.

In this beauty device, when the switch operator 47 is operated, the operator 47 rotates around the drive shaft 24,
As a result, power is supplied to the motor 12, and the motor 12
operates, the pinion 26 rotates, which is transmitted to the crown gear 21, pinion 22, and spur gear 25 to rotate the drive shaft 24, and the rotating brush 63 rotates within the fixed brush 61 (in the case of a file, the file attachment 6
6 rotates). On the other hand, electrically, the cathode side of the dry battery 9b is connected to the cathode spring 7, the current-carrying metal fitting 8, and the battery metal fitting 1.
0, dowel 10b, cathode contact portion 3 of motor board 29
3. It is connected to the rotating contact 40d of the switch board 38 through its terminal part 34d and lead wire 41d, and the anode side of the dry battery 9a is connected to the anode contact part 3 of the motor board 9.
1. The motor terminals 28a and 28b are connected to the contact 40b which is located symmetrically to the fixed contact 40d via the terminal portion 34b and the lead wire 41b, and the motor terminals 28a and 28b are connected to the contact portions 32a and 32b, the terminal portions 34a and 34c, and the lead wire 41a, 41c and the remaining fixed contact 40
a, 40c. When the click projection 54 is located in the central groove 57a, the switch operator 47 connects the bridge springs 50a and 50b to the pair of fixed contacts 4.
0a to 40d are in the OFF state when they are not bridged, and when the click protrusion 54 is fitted into one click groove 57b by rotation of the switch operator 47, the bridge springs 50a and 50b connect to the pair of fixed contacts. The motor 12 is energized in one direction. When the switch operator 47 is operated in the opposite direction and the click protrusion 54 engages with the other click groove 57c, the contact bridging relationship between the bridging springs 50a and 50b changes, and the motor 12 is energized in the opposite direction. Ru. As a result, the motor 12 rotates forward or reverse.

When the rotary brush 63 rotates to wash the face or massage the body, the cleaning liquid does not scatter around because it is a fixed brush 61 and does not stain the surrounding area.

With this configuration, this beauty device has the following effects. That is, (1) a main body 1 having a notch 42 extending from the inner circumferential side to the outer circumferential side at the edge of a cylindrical opening and having a drive shaft 24 for attaching an attachment within the opening; The loose fitting part 4 has a hole 48 that is inserted into the hole 48 and allows the drive shaft 24 to protrude.
7a and a notch 4 from the loose fitting portion 47a.
A switch operator 47 having a handle 47c for external operation with an arm 47b extending outside through 2a, and between the inner circumferential surface of the loose fitting portion 47a and the drive shaft 24 and the outer circumferential surface of the loose fitting portion 47a. Since the seal members 52 and 53 are interposed between the inner circumferential surface of the opening of the main body 1, the seal member 5
2 and 53 can be brought into close contact with each other in a perfect circular shape without being affected by the shape of the handle of the switch operator 47 or the notch 42a of the opening.
Fixed contacts 40a to 40d and bridge springs 50a and 50b
It is possible to ensure waterproofing of the contact parts such as the motor 12 and the like, the drive source of the motor 12, etc., the grip part of the main body 1 is smooth and has a good appearance, and there is no possibility of accidentally operating the switch operator 47 when gripping the main body 1. Furthermore, by passing the arm 47b through the notch 42a, the amount of protrusion of the opening from the main body 1 can be reduced, and since the attachment can be brought closer to the opening, the amount of protrusion of the attachment can be reduced. In this case, since the mounting portion 63a of the attachment can be fitted into the upper cover 42, the amount of protrusion of the attachment can be further reduced and the overall size can be made smaller.

(2) The attachment includes a rotating brush 63 and a fixed brush 61 that surrounds the rotating brush 63 in an annular manner.
The fixed brush 61 is connected to the loose fitting portion 47a.
Since the fixed brush 61 is fitted into the inner surface of the sunken opening, there is no need to attach the fixed brush 61 to the switch operating element 47, and the operating element 47 can be moved separately from the fixed brush 61. That is, the 15th
If the operator 47 is not sunk into the opening as shown in FIG. Therefore, the fixed brush 61 rotates every time the switch is operated.

(3) Click protrusion 54 and click grooves 57a to 57
c), it is easy to operate, and since it is far from the center of rotation, it has a good feel.

(4) The upper cover 42 is provided in the opening 13, the switch operator 47 is supported by the upper cover 42 to prevent it from coming off, and the switch operator 47 covers one or more of the mounting screws 43a, 43b of the upper cover 42, so that the upper cover 42 will not be removed carelessly.

(5) Attach the switch board 38 to the main body 16 of the gearbox 14, which is the bottom of the opening 13, by press-fitting the gear box 14, and form a protrusion 51 for regulating the floating of the switch board 38 on the loose fitting part 47a facing this. Since the switch board 38 is held down within the elastic deformation of the contact spring between the loose fitting part 47a, the switch board 38 can be easily installed and will not come off even if subjected to shocks such as dropping, and the switch operation can be controlled easily. Does not interfere. Note that the protrusion 51 may be provided on the switch board 38 side.

As described above, the beauty device of the present invention includes a main body, which has a notch extending from the inner circumferential side to the outer circumferential side at the edge of the cylindrical opening, and has a drive shaft for attaching an attachment in the opening; The switch has a loosely fitting part that is rotatably fitted into the part and forms a hole through which the drive shaft projects, and has a handle for external operation having an arm that extends from the loosely fitting part to the outside through the notch. and a sealing member interposed between the inner circumferential surface of the loosely fitting portion and the drive shaft and between the outer circumferential surface of the loosely fitting portion and the inner circumferential surface of the opening of the main body. , has the following effects.

That is, since the switch operator is provided in the opening of the main body, the grip of the main body is smooth and has a good appearance, and there is no possibility of accidentally operating the switch operator when gripping the main body. Furthermore, since the loose fitting part is passed through the opening and the arm is passed through the notch, the amount of protrusion of the opening can be reduced, and since the attachment can be brought close to the opening, the amount of protrusion of the attachment from the opening can be reduced. Furthermore, since the sealing member is interposed between the drive shaft and the inner circumferential surface of the loose fitting part and between the outer circumferential surface of the loose fitting part and the inner circumferential surface of the opening, Since it can be closely attached to a position away from the arm and the handle, and the sealing member can be formed into a perfect circular shape, it has the effect of ensuring waterproofing.

[Brief explanation of drawings]

Fig. 1 is a perspective view of an embodiment of the present invention, Fig. 2 is a cross-sectional view taken along the - line, Fig. 3 is a cross-sectional view taken along the line - Fig. 1, and Fig. 4 shows the connecting portion between the main body cover and the battery cover. Fig. 5 is an exploded perspective view of the connecting part, Fig. 6 is an exploded perspective view of the motor and its surroundings, Fig. 7 is an exploded perspective view of the head, and Fig. 8 shows the switch operator and upper cover. An exploded perspective view, FIG. 9 is a sectional view showing the switch contact, FIG. 10 is a partial sectional view of the head, FIG. 11 is a sectional view showing the connection between the upper cover and the operator, and FIG. Fig. 13 is an enlarged perspective view of the upper cover with the operator fitted, Fig. 14 is a perspective view of the file attachment attached, Fig. 15 is an exploded perspective view showing the installation.
The figure is a partial perspective view of an example in which a fixed brush is attached to a switch operator, and FIG. 16 is a sectional view thereof. DESCRIPTION OF SYMBOLS 1... Main body, 24... Drive shaft, 42... Upper cover forming an opening, 42a... Notch, 47...
Switch operator, 47a... Loose fitting part, 47b...
Arm, 47c...handle, 48...hole, 52,5
3... Seal member, 63... Rotating brush of attachment.

Claims (1)

[Scope of Claims] 1. A main body having a notch extending from the inner circumferential side to the outer circumferential side at the edge of the cylindrical opening and having a drive shaft for attaching an attachment in the opening, and a main body that is rotatable in the opening. a switch operator having a handle for external operation having a loosely fitting part forming a hole that is fitted into the loosely fitting part and forming a hole through which the drive shaft protrudes, and an arm extending from the loosely fitting part to the outside through the notch; A beauty device comprising: a sealing member interposed between an inner circumferential surface of the loosely fitting portion and the drive shaft and between an outer circumferential surface of the loosely fitting portion and an inner circumferential surface of the opening of the main body. 2 The attachment attached to the drive shaft is
The beauty device according to claim 1, comprising a rotating brush fitted to the drive shaft and a fixed brush fixed to the opening of the main body. 3. The beauty device according to claim 1, wherein the handle has a click portion.