JPH0233687Y2 - - Google Patents

Description

[Detailed Description of the Invention] (Technical Field of the Invention) The present invention relates to a reciprocating nail polishing machine, and more particularly to the structure of a polishing section that allows easy attachment of polishing pieces.

(Background of the invention) A technique disclosed in US Pat. No. 3,240,966 is known as a nail polishing machine that reciprocates the polishing pieces. In such a reciprocating nail polishing machine, a variety of polishing pieces with different roughness of the polishing surface are prepared so that they can be easily replaced according to rough polishing, semi-finish polishing, finish polishing, etc. It is desirable to leave it there. In addition, in such a reciprocating nail polishing machine, it is advantageous in terms of design and handling if the main body case also serves as a grip, and in this case, it is better to form the polishing piece into a long plate shape that extends in the reciprocating direction. However, it is easy to brush your nails by sliding it into contact with the nail surface.

(Purpose and Summary) The present invention has been made in consideration of the above points, and the purpose of the present invention is to provide a means for attaching the polishing piece of a reciprocating nail polishing machine that is easy to attach. . To this end, the present invention has a main body case that also serves as a grip part, a base part that is elongated in the reciprocating direction driven by a reciprocating drive part housed in the main body case, and a base part that is elongated in the reciprocating direction and that is attached to the lower part of the base part. The polishing section is composed of a long plate-shaped polishing piece and a long plate-shaped polishing piece. As a means for connecting the base part and the polishing piece, locking bodies are provided on both sides of the polishing piece, and are fitted loosely along both side walls of the base part, and are fitted on both sides of the base part. By sliding the abrasive piece in the length direction of the base portion, a locking portion to which the locking body is locked is formed. By configuring such a coupling means, the locking body of the abrasive piece is loosely fitted to the side wall of the base portion, and the locking body is locked to the locking portion by sliding in the length direction of the base portion. The polishing piece can be detachably attached to the lower part of the base. According to such a connecting means, the abrasive piece can be easily attached and detached from the base part with a short sliding stroke, and the abrasive piece can be firmly supported by the base part directly above the abrasive piece in the installed state, so that the abrasive piece can be firmly supported by the base part directly above the abrasive piece when it is attached, so that the abrasive piece can be firmly supported by the base part directly above the abrasive piece when it is attached, so that the abrasive piece can be easily attached and detached from the base part with a short sliding stroke. It can fully resist the force.

(Example) Next, an example of the present invention will be described with reference to the drawings.

FIG. 1 is a perspective view of a reciprocating nail polishing machine according to the present invention, and the main body case 1 of this nail polishing machine includes a cylindrical main body part 2 which also serves as a grip part, and this main body part 2.
It consists of a tapered cover part 3 extending slightly upward from the front part of the cover part 3, and a polishing part 4 is attached to the lower part of the cover part 3. Reference numeral 5 designates a slide switch button, and when it is operated with the fingertip of the hand holding the main body 2, the abrasive part 4 reciprocates in the front-rear direction Q by a drive means to be described later.

FIG. 2 shows a cross section of the nail polishing machine, in which 6 and 7 are power units that are housed in the main body 2 and are comprised of a power battery and a motor, and 29 is a conductive power unit that slides integrally with the switch button 5. It is a board. 10 is a reciprocating drive unit that converts the rotational motion of the power unit 7 into reciprocating motion; 8 is a gear driven by the power unit 7;
A gear 11 meshes with the gear 8, and an eccentric cam 12 is integrally formed on the upper part of the gear 11. 13 is a holder with a U-shaped cross section for fixing the gear 11 and cam 12; 16 is a holder 13;
This is a reinforcing member. 18 is a drive shaft, and a rear end ring portion 20 is attached to the cam 12.

In FIG. 3, reference numeral 21 denotes a fixed board mounted on the lower part of the cover part 3, and a rib 24 is protruded from the upper surface of the board 21. Two wire rods 2 attached to section 3
By fitting between 5 and 25, the substrate 21
is detachably attached to the lower part of the cover part 3. 26
is a positioning rib and is fitted into the tip groove portion 28 of the cover portion 3. The polishing section 4 is connected to the fixed substrate 2
1, and a polishing piece 23 that is detachably attached to the lower part of the base part 22. The base portion 22 mainly includes a long plate body 31 that is elongated in the reciprocating direction. Reference numeral 33 denotes two locking claws protruding from the front and rear of the upper surface thereof, and receiving portions 38 formed in the two openings 27 and 27 provided in the fixed base plate 21.
is slidably attached to. The length of the openings 27, 27 in the front-rear direction is longer than that of the locking pawl 33, so when the locking pawl 33 is locked in the openings 27, 27, the base portion 22 can slide in the front-back direction. It can move, and its sliding movement is guided by the receiving part 38. Reference numeral 34 denotes an engaging portion protruding from the rear of the long plate body 31, which is connected to the distal end protrusion 19 of the drive shaft 18.
The engaging portion 34 exposed from the rear opening 27
is inserted into the recess 34a. Reference numeral 42 designates a recessed portion recessed in the front bottom of the long plate body 31, and reference numerals 41, 41 designate locking portions partially protruding from the center portions of the side wall portions 311, 311.

The abrasive piece 23 is a long plate-like body elongated in the reciprocating direction, and the lower surface of the main substrate 35 is coated with an abrasive material to form an abrasive surface 37, and its front end surface is coated with perilla. The circularly curved surface portion 23a makes it easy to crush. Reference numeral 36 denotes a vertical wall portion erected at the peripheral edge of the substrate 35, and locking bodies 39, 39, which are locked to the locking portions 41, 41, are partially protruding from inside the center portions on both sides. A protrusion 40 is provided on the upper surface of the substrate 35 to fit into the recess 42 . The locking bodies 39, 39 can be loosely fitted into the side walls 311, 311 of the base portion 22, and can slide along the side walls 311, 311.

When attaching the polishing piece 23 to the base portion 22, as shown in FIG.
Apply approximately the rear half of the base part 22 from below to the approximately front half of the base part 22, and then slide the rear part of the locking body 3.
9 and 39 are loosely fitted into the side wall parts 311 and 311, and the locking body 3 is slid further rearward along the side wall parts 311 and 311 while being guided by them.
9 and 39 are engaged with the locking parts 41 and 41, and the protrusion 40 is fitted and positioned in the recess 42 (see figure b). Reference numeral 41a is an inclined surface for fastening the locking body 39. According to this mounting means, the polishing piece 23 can be mounted on the base portion 22 with a sliding stroke L that is shorter than its entire length, and in the mounted state, the locking force between the locking bodies 39, 39 and the locking portions 41, 41 and the protrusion are reduced. Since the fitting positioning force between the portion 40 and the recess 42 and the vertical wall portion 36 regulate the position of the polishing piece 23, the polishing piece 23 can be firmly attached to the base portion 22 without wobbling, and the polishing piece 23 can be firmly attached to the base portion 22 without wobbling.
can be easily removed by sliding them forward.

This reciprocating nail polishing machine has the above-mentioned configuration, and when the main body part 2 is held and the switch button 5 is operated, the power part 7 is driven and its rotational motion is converted into a reciprocating motion by the drive part 10. , an abrasive section 4 connected to the drive section 10 via a drive shaft 18
reciprocates in the front and back direction. If the polishing surface 37 is then pressed against the claw a, the surface of the claw a will be polished. In this case, the polishing piece 23 is attached to the base portion 2 directly above it.
Since the polishing piece 2 is supported from above by the cover part 3, the polishing piece 23 can sufficiently resist the pressing force P (see Fig. 2) received from the nail a during nail polishing, and prevents it from unnecessarily bending or wobbling. There's nothing to do. Further, due to this pressing force P, the protrusion 40 is strongly fitted into the recess 42, and the polishing piece 23 is moved to the base portion 2.
It is firmly attached to 2 and does not wobble,
Allows for stable nail polishing. Further, as shown in FIG. 1, the tip of the abrasive part 4 is easily pressed against the claw a, but as described above, the protrusion 40 and the recess 4
2 is formed on the front part of the abrasive piece 23 and the base part 22, so that the pressing force P acts directly above the protrusion 40 and makes it possible to firmly fit the protrusion 40 into the recess 42. can. Of course, according to this nail polishing machine, the tip curved portion 23a of the polishing piece 23 can also crush the cuticle existing at the proximal end of the nail a.

(Other Embodiments) In FIG.
2 is partially recessed, and locking portions 53, 53 are secured in series with this recessed notch 52. Reference numeral 56 denotes a locking groove portion recessed on the locking portion 53. Also, at both ends of the substrate 54 of the polishing piece 23, locking bodies 55 that are locked to the locking portions 53 are provided.
Two ribs are protruded from each other, and a positioning rib 57 that fits into the groove 56 is protruded from the inner wall of the locking body 55. 53a is an inclined surface of the locking portion 53. When attaching the abrasive piece 23 to the base portion 22, as shown in FIG.
Loosely fit the locking body 55 of No. 3 into the recessed notch 52 from below,
Slide the locking body 5 backward along this line.
5 to the locking body 53, and the sliding stroke L in this case is smaller than the length of the recessed notch 52.

(Effects of the Invention) As explained above, according to the invention, the polishing piece 23 can be easily attached to and removed from the base portion 22 with a short sliding stroke L. In addition, since the polishing piece 23 is firmly supported from above by the base portion 22 directly above it, it can sufficiently resist the pressing force P received during nail polishing, and the base portion will not unnecessarily bend or wobble. 22 and can be driven back and forth without rattling.

[Brief explanation of the drawing]

The figure shows an embodiment of the present invention.
The figure is a perspective view of the reciprocating nail polisher, Figure 2 is a sectional view, Figure 3 is a partially exploded view, Figures 4a and b are side views of the machine being installed, and Figure 5 is a part of another embodiment. The exploded view, FIG. 6, is a side view during installation. DESCRIPTION OF SYMBOLS 1... Main body case, 4... Polishing part, 10... Reciprocating drive part, 22... Base part, 23... Polishing piece, 311, 511... Side wall part, 39, 55...
Locking body, 41, 53...Lock portion.

Claims (1)

[Scope of utility model registration request] A base portion 22 elongated in the reciprocating direction driven by the reciprocating drive portion 10 housed in the main body case 1 which also serves as a grip portion, and a long plate elongated in the above direction attached to the lower part of the base portion 22. The abrasive section 4 is composed of the abrasive piece 23 and the abrasive piece 23 is provided with side walls 311, 31 of the base section 22 on both sides thereof.
Locking bodies 39, 3 are fitted loosely and slidably along 1.
9, and the both side wall portions 311, 3
11, the polishing piece 23 is attached to the base portion 22.
A reciprocating nail polishing machine characterized in that locking portions 41, 41 are partially formed to which the locking bodies 39, 39 are locked by sliding in the length direction.