JPH0527884U - Information recording disk cleaning device - Google Patents

Abstract

(57) [Summary] [Purpose] The information recording disk is rotated in a state of being immersed in a cleaning liquid to easily and effectively clean the information recording disk. [Structure] A rotating member 9 having a cylindrical outer shape that is inserted into a disk mounting hole 8a of a CD 8 and holds the CD 8 along an inner peripheral edge of the mounting hole 8a, and a circumferential surface of the rotating member 9 is an axis of the rotating member 9. The rotation member 9 by the projections 12 and 13 which are linearly supported parallel to the axis at two locations that are asymmetric with respect to the horizontal plane passing through.
And a support table 5 for supporting the CD 8 on both sides of the CD 8. The cleaning table 10 is provided on the support table 5 to store at least C
The concave portion 3 in which the information recording portion of D8 is dipped, and the eccentric motor 4 for applying vibration to the support base 5 and converting the vibration through the projections 12 and 13 into the force in the rotation direction of the rotating member 9,
The rotating member 9 is rotated by the vibration generated by the eccentric motor 4,
With this rotation, the surface of the CD 8 is cleaned while rotating the CD 8.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a cleaning device for cleaning a compact disc or the like with a cleaning liquid, and more specifically, it is for cleaning an information recording disc in which the entire surface of the disc is cleaned by sequentially immersing it in the cleaning liquid while rotating the disc by vibration. Related to sweepers.

[0002]

[Prior Art]

 Information recording discs such as compact discs and laser discs record audio, video, characters, and numerical information on the disc surface or the surface layer, and read and reproduce the recorded information as appropriate. Therefore, if there is dirt or scratches on the surface, the reproduction of information becomes uncertain and a read error may occur. When such a reading error occurs, noise or image distortion may occur, or the character or number information may not be read at all, or the wrong character or number may be read, making it useless as information. Can also happen.

Therefore, when the surface of the information recording disk becomes dirty, it needs to be cleaned. As a cleaning method, a primitive method of wiping with a cloth soaked with a cleaning liquid is generally widely used, but an ultrasonic cleaning device is also provided as a device for reliably removing dirt. In this ultrasonic cleaning device, an information recording disk is immersed in a cleaning liquid to apply ultrasonic vibration to the cleaning liquid, and the vibration energy cleans the disk surface.

[0004]

[Problems to be solved by the device]

 However, in the ultrasonic cleaning device, the disk is housed in a plane for cleaning, so if a laser disk with a large diameter such as 30 cm can be cleaned, the floor area of the device will be wide. However, it is currently used for cleaning compact discs at best. Further, there is a drawback that the ultrasonic generator is relatively expensive and cannot be provided at a low cost.

The object of the present invention is made in view of such a technical background, and an object thereof is to have a simple structure and to effectively clean an information recording disk, even if the disk has a large diameter. It is to provide a cleaning device that can be cleaned without increasing its size.

[0006]

[Means for Solving the Problems]

 This invention is an information recording disk cleaning device that cleans the surface of an information recording disk with a liquid cleaning liquid. The information recording disk is inserted into a disk mounting hole formed in the center of the information recording disk. A cylindrical rotating member that holds an information recording disk along it, and a circumferential surface of this disk rotating member are formed into two asymmetrical axes with respect to a plane parallel to the gravity passing through the axis of the disk rotating member. It has support projections that linearly support in parallel, and a support base that supports the disk rotating member on both sides of the information recording disk by these support projections, and at least the information recording portion of the information recording disk provided on this support base. A cleaning liquid reservoir that can be stored so that it is immersed in the cleaning liquid, and vibration is applied to the support base, and the rotation of the vibration disk rotation member is performed via the support protrusions. It has a configuration in which a vibration means for converting the direction of the force.

[0007]

[Action]

 According to the above-mentioned means, the vibrating means vibrates the entire support base, and this vibration causes a force in the rotational direction to be generated in the rotating member via the protrusion. This force is generated by the difference in the direction of the component force of the force acting on the rotating member from the two protrusions. That is, although the protrusion supports the rotating member, the weight of the rotating member and the information recording disk is added to the protrusion, and the rotation direction is defined by the moment generated by the reaction force applied to the two protrusions of this weight. Each time the rotating member separates from the protrusion due to the vibration of the support base due to, the rotating member will rotate a little according to the moment, and as long as the vibration continues, the rotation also continues. As a result, the information recording disk rotates while being immersed in the cleaning liquid, and the cleaning liquid cleans the surface of the information recording disc while it is rotating.

[0008]

【Example】

 An embodiment of the present invention shown in the drawings will be described below.

FIG. 1 is a sectional view of a cleaning device according to the embodiment. In FIG. 1, the cleaning device 1 includes a first support 2 having a first recess 2 for storing water, a second recess 3 for storing cleaning fluid, and an eccentric motor 4 as a vibrating means. , A second support base 7 that elastically supports the first support base 5 via elastic support columns 6 made of a rubber material, and a substantially columnar shape as shown in the sectional view of FIG. It has a rotating member 9 which holds a compact disc (hereinafter referred to as a CD) 8 as an information recording disc by being screwed in the central portion.

The first and second recesses 2 and 3 of the first support base 5 are each substantially V-shaped in cross section, and the information recording area of the CD 8 is immersed in the cleaning liquid 10, and the label sticking portion is not immersed. It is set to such a depth. At the side of the first support base 5 adjacent to the first and second recesses 2 and 3 and at the boundary between the first and second recesses 2 and 3, the rotating member 9 is provided in the first or second recess. Three support parts 11a, 11b, 11c for passing between any two or three are provided. As shown in FIG. 2, the supporting portions 11a, 11b, 11c pass from the center O of the rotary member 9 to the supporting portions 11a, 11b, 11c, respectively. First and second protrusions 12 and 13 are formed at positions lower than the horizontal line H by angles θ1 and θ2, respectively, in a direction perpendicular to the plane of the drawing.

The second support base 7 is provided with a battery holder 14 for holding a power source for driving the eccentric motor 4 and a support leg 15 made of a rubber material or the like.

As shown in detail in FIG. 3, the rotary member 9 includes a first member 9a provided with a male screw 16a and a second member 9b provided with a female screw 16b. The ends 17a, 17b on the side where the screws 16a, 16b are not formed have a slightly larger diameter, so that the movement in the axial direction when mounted on the support parts 11a, 11b, 11c can be restricted. It has become. The base portion 16c of the male screw 16a is formed to have a diameter such that the central mounting hole 8a of the CD 8 can be externally fitted, and the CD 8 is inserted into the base portion 16c, and the second member 9b is screwed into the two members 9a, The CD 8 is held between the edges 18a and 18b of 9b. The small diameter portions 19a and 19b of the rotary member 9 which holds the CD 8 in this manner are supported by the adjacent support portions 11b and 11c which sandwich the second concave portion 3 therebetween. As a result, the rotation member 9 applies a reaction force W1 from the first protrusion 12 toward the center O side to the weight W of the rotation member 9 and the CD 8 and a gravity reaction force W2 from the second protrusion 13 toward the center O side. Will be received respectively.

In the cleaning device 1 thus roughly configured, the water 20 is stored in the first recess 2 and the cleaning liquid 10 is stored in the second recess 3 up to the position shown by the alternate long and short dash line in the figure, and the rotating member 9 holding the CD 8 is held. Is placed on the second and third support portions 11b and 11c, and the information recording portion of the CD 8 is dipped in the cleaning liquid 10 stored in the second concave portion 3. Next, when a switch (not shown) for driving the motor is pressed, the eccentric motor 4 rotates and the first support 5 vibrates. This causes the rotating member 9 to separate from or contact one or both of the first and second protrusions 12, 13. As described above, the rotating member 9 receives the reaction forces W1 and W2 from these projections 12 and 13, and these reaction forces are further divided into the horizontal component force and the vertical component force depending on the angles θ1 and θ2. Has a component force. In the case of this embodiment, the angle θ1 is set to 15 ° and the angle θ2 is set to 45 °. Therefore, a force of W1cos45 of 5 ° from the first protrusion 12 and a force of W1sin15 ° of vertical action act on the rotating member 9 respectively, and a force of W2cos45 ° from the second protrusion 13 horizontally. , And a force of W2sin45 ° acts in the vertical direction. Then, these forces cause a moment when the rotating member 9 floats from one of the projections 12 or 13 due to vibration, and in this embodiment, the rotating member 9 rotates counterclockwise in FIG. The rotation direction and the rotation speed are defined by the difference between the angles of both protrusions from the horizontal. That is, when the angle θ2 is equal to the angle θ1, the moments are balanced and rotation does not occur. In this embodiment, if the angle θ2 is less than 45 °, the rotation speed decreases. Therefore, it is important to set the angles such that the angles θ1 and θ2 are not equal and to set the difference between the two so that the rotation speed is optimum. The rotation speed can also be adjusted by the mass of the rotating member 9.

By rotating the CD 8 at least once in this way, all the recording areas of the CD 8 are sequentially dipped in the cleaning liquid 10, and the entire peripheral surface of the recording area is cleaned. When the cleaning of the recording area is completed, the CD 8 is immersed in the first concave portion 2 in which water 20 is stored in the same manner, and the rotating member 9 is supported by the first and second supporting portions 11a and 11b. The cleaning liquid 10 can be drained by rotating the cleaning liquid 10. The cleaning work is completed if the CD 8 thus cleaned is taken out and dried.

Since the cleaning liquid 10 and the water 20 are contained in the first supporting table 5 which is vibrated by the eccentric motor 4, the cleaning liquid 10 and the water 20 are also vibrated, so that the cleaning effect is extremely high. .. Moreover, the same cleaning effect can be achieved with a very simple mechanism compared to the one using ultrasonic vibration.

In the above-mentioned embodiments, the description has been made by taking the laser disc or the compact disc as an example, but it is needless to say that the present invention can be applied to the cleaning of the sound groove of the analog record in which the sound is recorded by adjusting the depth of the groove. Is. Further, the members 9a and 9b of the rotating member 9 are connected by screwing, but the ends of one member 9a are press-fitted to the ends of the other member 9b, or the ends of one member 9a are connected. The end of the other member 9b may be fitted to the part and the one may be slightly rotated to connect the two, or the two may be connected so that the CD8 does not come off due to vibration or rotation.

[0017]

[Effect of the device]

 As is clear from the above description, the disk rotation of the outer cylindrical shape is inserted into the disk mounting hole formed in the central portion of the information recording disk and holds the information recording disk along the inner peripheral edge of this hole. Member, a support base for supporting the disk rotating member on both sides of the information recording disk by a horizontal plane passing through the axis of the disk rotating member, and at least the information recording disk. Excitation that applies vibration to the cleaning liquid reservoir and the support table that can store the information recording part of the disk so that it is immersed in the cleaning liquid, and converts the vibration into force in the direction of rotation of the disk rotation member via the support protrusions. According to the present invention, the vibrating means vibrates the support base to generate a vibration energy through the support protrusions to the rotating member. The information recording portion can be immersed and cleaned while the information recording disc is rotated while the cleaning liquid and the information recording disc are vibrated after being converted. Therefore, the information recording disc can be easily and effectively cleaned. Cleaning can be performed. Further, since the information recording disc is held in an upright state, the area occupied by the device can be reduced even in the case of a cleaning device for a large-diameter disc.

Further, as described in claim 2, the cleaning water is stored in the support base, and the cleaning water reservoir having the supporting protrusions is formed at the upper end portion thereof to wash the disc cleaned with the cleaning liquid with water. You can also do it.

[Brief description of drawings]

FIG. 1 is a sectional view of an information recording disk cleaning device according to an embodiment of the present invention.

FIG. 2 is a side view of the information recording disk cleaning device according to this embodiment.

FIG. 3 is a cross-sectional view of a rotating member that holds an information recording disk.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Cleaning device 3 2nd recessed part 4 Eccentric motor 5 1st support stand 6 2nd support stand 7 CD 9 Rotating member 11a, 11b, 11c Support part 12 1st protrusion 13 2nd protrusion

Claims (2)

[Scope of utility model registration request] 1. An information recording disk cleaning device for cleaning the surface of an information recording disk with a liquid cleaning liquid, wherein the information recording disk is inserted into a disk mounting hole formed in a central portion of the information recording disk. A disk rotating member having an outer cylindrical shape that holds the information recording disk along a peripheral edge, and a circumferential surface of the disk rotating member is lined in parallel with the axis at two points asymmetrical to a horizontal plane passing through the axis of the disk rotating member. Supporting pedestals for supporting the disk rotating member on both sides of the information recording disk by these supporting projections, and at least the information recording portion of the information recording disk is provided with the cleaning table. A cleaning liquid reservoir that can be stored so as to be immersed in a liquid, and vibration are applied to the support base, and the vibration is generated through the support protrusion. An apparatus for cleaning an information recording disk, comprising: a vibrating means that is converted into a force in the rotational direction of the disk rotating member. 2. The information recording disk according to claim 1, wherein the support table is capable of storing cleaning water, and the upper end of the support table further has a cleaning water reservoir formed with the support protrusion. Cleaning device.