JPH061629B2 - Disk Cleaner - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to a disc cleaner that effectively wipes off dust such as dust and fingerprints adhering to a digital audio disc (product name compact disc), an optical disc, and the like. Regarding

[Conventional technology]

Conventionally, as a disk cleaner of this type, for example, there is a disk cleaner as shown in FIG. 9 (Shokai 60-60160).
4 publication). There, a mounting surface 2 for mounting the disc 3 on the main body case 1 is provided, while a cleaning body 41 is attached to the lid 6 side, the lid 6 is closed, and the cleaning body 41 revolves on the surface of the disc 3 while revolving. Then, the dirt adhering to the disc surface is wiped off.

[Problems to be Solved by the Invention]

However, in the above-mentioned conventional disk cleaner, the rotary shaft 42 protruding from the upper surface of the cleaning body 41 is provided with the lid 6 and the rotary body 4.
3 is supported by the cleaning member 41.
The movement in the thrust direction (vertical direction) of the is regulated. Therefore, for example, if the rotary shaft 42 is slightly inclined, the parallelism between the cleaning surface 41a of the cleaning body 41 and the surface of the disk 3 cannot be obtained, and the cleaning surface 41a is a uniform surface with respect to the surface of the disk 3. The pressure does not come into contact with the pressure, causing uneven wiping. Also, due to rattling of the lid 6, the cleaning surface 4
The contact pressure of the disc 1a to the disc 3 is insufficient or excessive, so that the wiping unevenness due to the cleaning surface 41a is likely to occur.

Further, the cleaning surface 41a is easily soiled by repeated use,
There is also a problem that the dirt is transferred and adhered to the disk 3 side.

The present invention has been made to solve such a problem, and an object of the present invention is to uniformly stabilize the contact surface pressure of the cleaning body with respect to the disk and eliminate uneven wiping.

Another object of the present invention is to enable replacement of the cleaning member and prevent transfer and adhesion to the disk.

[Means for Solving the Problems]

In order to achieve the above object, according to the present invention, a main body case 1 having a mounting surface 2 on which a disk 3 is mounted, a rotary disk 18 driven by a motor 10, and the rotary disk 18
And a cleaning body 4 mounted so as to face and slidably contact the disk surface of the disk 3 on the mounting surface 2. The cleaning body 4 is separated from the rotating disk 18 between the rotating disk 18 and the cleaning element 4. The first elastic body 26 that urges is interposed.

The cleaning body 4 can be detachably attached to the turntable 18.

The cleaning body 4 may be made of a single body, such as porous urethane having a napped portion or sheep skin, which does not scratch the disk 3 and has excellent cleaning effect and durability. It is advantageous to provide the second elastic body 30 that imparts elasticity by improving the wiping effect.

As the first elastic body 26 and the second elastic body 30, a coil spring, a leaf spring, rubber or the like is used.

[Action]

At that time, the cleaning body 4 mounted on the turntable 18 is moved to the first position.
Through the elasticity of the elastic body 26, the disk 3 is brought into uniform contact with the disk surface at a predetermined surface pressure, and the entire surface of the disk 3 is evenly wiped.

When the cleaning body 4 becomes dirty, it is removed from the rotary disk 18 and replaced with a new cleaning body 4, so that the cleaning of the disk 3 by the cleaning body 4 can be prevented.

〔Example〕

An embodiment of the disk cleaner according to the present invention will be described with reference to FIGS. 1 to 6.

1 to 3, the disc cleaner includes a disc mounting surface 2 recessed in an upper surface of a main body case 1.
The disk 3 is placed on the disk, and the upper surface of the disk 3 is wiped and cleaned with the cleaning body 4 while the disk 3 is stationary and fixed.

The cleaning body 4 covers the entire upper surface of the main body case 1 and is supported on the inner surface of a lid 6 which can be opened and closed about a shaft 5 and is closed by a drive mechanism 7 provided on the main body case 1 side. It is driven to rotate only in the fixed state. That is, the switch button 24 is attached to the lid 6, but the drive switch provided in the main body case 1 can be turned on only after the lid 6 is closed.

The drive mechanism 7 includes a motor 10 that uses a battery 9 as a power source in the main body case 1, and projects a drive gear 8 from the center of the disk mounting surface 2 to transmit the power of the motor 10 to the drive gear 8 by a belt. The belt drive is a worm 1 on the shaft of the motor 10.
A timing belt 13 is stretched over the worm gear 12 and the drive gear 8 meshing with 1. Drive gear 8
Is a gear shaft 14 fixed vertically on the inner surface of the body case 1.
It is rotatably supported around it.

A cleaning member rotating mechanism 15 is provided on the inner surface of the lid 6 to rotate the cleaning member 4 while receiving the rotation from the drive gear 8.

The cleaning body rotation mechanism 15 includes a plastic sun gear 17 fixed to the inner surface of the lid 6 with a screw 16 at a substantially central portion,
A plastic turntable 18, a planetary gear 19 integrally projecting from the center of the upper surface of the turntable 18, a sun gear 17 and a timing belt 20 hung on the planetary gear 19, and the turntable 18 at the center of the sun gear 17. That is, it is composed of a metal support plate 21 which is rotatably supported around the revolution center O ₁ . The revolution center O ₁ is located on the center line of the disc 3 when the lid 6 is closed. The support plate 21 has its base end rotatably inserted on the sun gear 17, and the support pin 2 is attached to the tip thereof.
2 is provided so as to project downward, and the planetary gear 19 of the rotary disk 18 is rotatably inserted and supported by the pin 22.

Since the cleaning body rotating mechanism 15 is driven by the drive gear 8 as described above, the input gear 23 is provided on the outer peripheral edge of the turntable 18.
And the input gear 23 meshes with the drive gear 8 when the lid 6 is closed.

In FIG. 3, when the drive gear 8 rotates in the counterclockwise direction A, the turntable 18 rotates about the support pin 22 in the clockwise direction B. Further, the planetary gear 19 integrated with the turntable 18 also rotates in the clockwise direction B, and revolves the turntable 18 in the counterclockwise direction C while rotating the timing belt 20 relatively. That is, the turntable 18 reverses the direction of rotation and the direction of revolution.

The cleaning body 4 is mounted with the cleaning body mounting body 25 immediately on the lower surface of the turntable 18. The cleaning body mounting body 25 is vertically movably inserted into the lower end of the support pin 22 projecting from the center of the lower surface of the turntable 18 in a rotation preventing manner and supported in a retaining manner. A first elastic body 26, which is a coil spring, is interposed between the cleaning body mounting body 25 and the turntable 18.
The elasticity of the elastic body 26 allows the cleaning body mounting body 25 to support the support pin 22.
It always pushes downward and urges. The cleaning body 4 is
It is mounted on the lower surface side of the mounting body 25, and is set so as to come into contact with the surface of the disk 3 with a predetermined surface pressure under the biasing force of the first elastic body 26 when the lid 6 is closed.

As shown in FIG. 3, the first elastic bodies 26 are arranged at equal intervals in the circumferential direction between the facing surfaces of the rotary table 18 and the cleaning body mounting body 25.

The turntable 18 has the first elastic body 26 along the outer peripheral edge of the lower surface.
While forming the surrounding wall 27 surrounding the outer periphery of the cleaning body mounting body 25, the cleaning body mounting body 25 also forms the surrounding wall 28 along the outer peripheral edge of the upper surface. It is formed to have a diameter smaller than the inner diameter of the above, and is formed so as to fit inside the surrounding wall 27. Even when the cleaning body mounting body 25 is separated from the rotary disk 18 by the elasticity of the first elastic body 26, the upper end 28a of the surrounding wall 28 on the cleaning body mounting body 25 side is the lower end 27a of the surrounding wall 27 of the rotary disk 18. The upper and lower ends 28a and 27a are set so as to be polymerized with each other without coming off. In FIG. 2, the polymerization amount L of the upper and lower ends 28a and 27a is shown.

By configuring the surrounding walls 27 and 28 in this way,
Dust or the like generated when the dust or the like enters between the facing surfaces of the rotary disc 18 and the cleaning body mounting body 25 or the first elastic body 26 rubs the rotary disc 18 or the cleaning body mounting body 25 on the disc 3. It is possible to eliminate problems such as falling. In addition, there is no fear that a driver or the like will pry open the gap between the facing surfaces of the turntable 18 and the cleaning body mounting body 25.

The surrounding wall 27 of the turntable 18 has the input gear 23 on its outer periphery.
Is engraved and also serves as the drive transmission means.

The cleaning body 4 is formed by forming a cleaning layer 31 on the lower surface side of the second elastic body 30 formed in an annular shape. Foamed plastic, sponge rubber, or the like is used as the second elastic body 30, and is set to be stronger than the elasticity of the first elastic body 26. Cleaning layer 31
For example, a porous urethane sheet having a napped portion, sheepskin, or the like is used as the second elastic body 3
It is attached to the bottom surface of 0.

The cleaning body 4 is mounted on the lower surface side of the cleaning body mounting body 25 so as to be directly detachable, and the cleaning body base 3 made of plastic is mounted on the upper surface of the second elastic body 30 so that the detaching operation can be easily performed.
2, the cleaning element base 32 is detachably joined to the lower surface of the cleaning element mounting body 25 by a bayonet coupling means. As shown in FIGS. 3 and 4, the bayonet coupling means has engaging claws 3 on the lower surface of the cleaning body mounting body 25.
3, the cleaning body base 32 is provided with a groove 34 into which the engaging claw 33 is fitted, and the engaging claw 33 is fitted into the groove 34 while rotating the cleaning body base 32. Cleaning body base 3
In order to ensure the rotation stop of 2, the cleaning body mounting body 25 is provided with an elastically deformable moderation arm 35, and the cleaning body base 32 is provided.
The arm 35 is provided with a recess 36 with which the projection 35a at the tip of the arm 35 is engaged at the same time as the bayonet coupling.

The cleaning element 4 thus attached to the cleaning element attachment 25 is
The cleaning body rotating mechanism 15 rotates around the support pin 22 while revolving around the center of the sun gear 17. For example, the gear ratio between the sun gear 17 and the planetary gear 19 is about 2.
By setting the ratio to 3: 1, the cycloid curve of the locus P is drawn as shown in FIG. 5 to wipe off the surface of the disk 3. At this time, as shown in FIG. 6 (a), the cleaning body 4 slidingly contacting the surface of the disk 3 is the second as shown in FIG. 6 (b).
The elastic body 30 bends, causing a time lag between the cleaning layer 31 and the cleaning body mounting body 25 to improve the wiping effect. In particular, when the cleaning body 4 is in a portion R which is turned around in the vicinity of the outer peripheral edge of the disk 3 as shown in FIG. 5, the amount of movement of the cleaning body 4 is small and the cleaning effect tends to be low. The wiping effect can be further enhanced by causing a time lag due to the bending of the body 30.

(Other embodiment) In the above embodiment, a plurality of surrounding walls 27 and 28 are formed along the outer peripheral edges of the rotary disc 18 and the cleaning body mounting body 25 between the facing surfaces of the rotary disc 18 and the cleaning body mounting body 25. The outer circumferences of the individual first elastic bodies 26 are commonly surrounded,
Instead of this, as shown in FIG. 7, each of the first elastic bodies 26 may be provided with surrounding walls 27 and 28 that surround the respective outer circumferences independently of the number of the first elastic bodies 26.

Further, as the first elastic body 26, as shown in FIG. 8, the support pin 2 is provided between the facing surfaces of the turntable 18 and the cleaning body mounting body 25.
It is also possible to provide only one coil spring that surrounds the circumference.

Further, the input gear 23 is provided on the outer circumference of the surrounding wall 27 of the turntable 18.
The surrounding wall 27 is also used as the drive transmission means by directly engaging the drive gear 8 with the drive gear 8. However, instead of this, the rotary disk 18 and the drive gear 8 are transmitted by friction belts. However, in this case, the outer peripheral surface of the surrounding wall 27 of the rotary disk 18 is also used as the drive transmission means that is the belt winding surface.

The lid 6 can be opened / closed by attaching / detaching to / from the main body case 1 in addition to a form in which a part of the lid 6 is pivotally connected to the main body case 1 with a shaft 5 or the like and rotated around the shaft 5 to open and close. Including those that can be opened and closed.

〔The invention's effect〕

As described above, according to the present invention, since the cleaning body 4 is attached to the turntable 18 via the first elastic body 26,
The disk 3 can be pressed against the disk 3 with a predetermined surface pressure in a stable manner, and can be wiped uniformly without uneven wiping. Further, since the cleaning body 4 is detachably attached to the rotary disk 18, there is also an advantage that the cleaning body 4 can be replaced when the cleaning body 4 becomes dirty.

[Brief description of drawings]

1 to 6 show an embodiment of a disk cleaner according to the present invention. FIG. 1 is a vertical sectional view showing a closed state, and FIG. 2 is a vertical sectional view showing an open state. FIG. 3 is a plan view showing the cleaning body with the lid removed, FIG. 4 is an exploded perspective view of the cleaning body and its rotating mechanism, FIG. 5 is a plan view showing the movement trajectory of the cleaning body, and FIGS. 6 (a) (b). [Fig. 4] is a cross-sectional view showing a deformed state of the cleaning body during cleaning. FIG. 7 is a sectional view of an interposed portion of a first elastic body showing another embodiment of the present invention. FIG. 8 is a sectional view of a first elastic body in a state of being interposed, showing still another embodiment of the present invention. FIG. 9 is a sectional view of a conventional disk cleaner. 1 ... Main body case, 2 ... Disc mounting surface, 3 ... Disc, 4 ... Cleaning body, 6 ... Lid, 18 ... Rotating disc, 25 ... Cleaning body mounting body, 26 ... First elastic body, 27.28 ... Surrounding wall, 30 ... Second elastic body, 31 ... Cleaning layer.

Claims (7)

[Claims] 1. A main body case (1) having a mounting surface (2) for mounting a disk (3), a turntable (18) driven by a motor (10), and the turntable (18). , Disc (3) on the mounting surface (2)
The cleaning unit (4) is mounted so as to be in slidable contact with the surface of the cleaning unit (4), and the cleaning unit (4) is placed between the rotating unit (18) and the cleaning unit (4).
A disk cleaner comprising a first elastic body (26) which is biased away from 8). 2. The disk cleaner according to claim 1, wherein the cleaning body (4) is detachably attached to the rotary disk (18). 3. A turntable (18) and a first elastic body (2) on the lower surface side of the turntable (18).
6) Surrounding walls (27, 28) surrounding the outer periphery of the first elastic body (26) project from both of the cleaning body mounting body (25) and the cleaning body mounting body (25) so as to fit each other, and the surrounding wall ( The height of (27 ・ 28) is set so that the upper and lower ends of the surrounding wall (27 ・ 28) overlap with each other even when the cleaning body mounting body (25) is separated from the turntable (18) to the lowest position. The disk cleaner according to claim 1, wherein 4. The disk cleaner according to claim 3, wherein the surrounding walls (27, 28) are formed along the outer peripheral edges of the rotary disc (18) and the cleaning body mounting body (25). 5. The disk cleaner according to claim 4, wherein the surrounding wall (27) of the rotary disk (18) also serves as a drive transmission means. 6. The disk according to claim 1, wherein the cleaning body (4) comprises a second elastic body (30) and a cleaning layer (31) provided on the lower surface of the second elastic body (30). Cleaner. 7. The elasticity of the first elastic body (26) is the second elastic body (30).
Claim 6 which is set weaker than the elasticity of
Disc cleaner as described in paragraph.