JPH0814963B2 - Disk cleaner - Google Patents

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a disc cleaner for removing dirt adhering to a disc rotatably incorporated in a cartridge case, a digital audio disc (trade name: compact disc), or the like.

[0002]

2. Description of the Related Art Conventionally, as a cleaner for a digital audio disc, for example, the Japanese Utility Model Laid-Open No. 59-168878.
Housing the disk within the main body case, as shown in JP-openable closing the pivotally mounted lid with respect to the main body case, manually rotate the disc soil on the board surface There is one that is wiped off with a cleaning member. The opening / closing lid is required for ensuring dustproofness and safety during cleaning of the disc.

[0003]

However, the opening / closing lid must be securely closed and locked so as not to accidentally open and damage the disc during cleaning.
Also, when opening the lid, it is convenient for handling to open it easily. In this case, as an opening structure of the opening / closing lid, for example, it is conceivable to incorporate a spring for constantly urging the opening / closing lid so that the opening / closing lid is automatically fully opened in one opening operation at the same time when the closing lock is released. However, if the opening / closing lid is opened all at once by incorporating the spring in that way, the reaction may cause the main body case on which the disc is placed to vibrate easily, and the vibration may cause the disc to float up from the main body case and be damaged. There is a problem that you may receive it. Particularly in the case of an expensive optical disk, it is necessary to pay attention to such a damage accident. The object of the present invention is to solve such a problem, and to prevent accidental opening of the opening / closing lid during cleaning, and to open the lid semi-automatically without adversely affecting the disk. This is to protect the disk by doing.

[0004]

According to the present invention, as shown in the illustrated example, a main body case 8 having an upper surface 9 on which a disk 3 is placed, an opening / closing lid 10 covering the upper surface 9 above, and a disk 3 surface. Assuming a disk cleaner including a cleaning member 16 for cleaning the upper part, and further, closing lock means for locking the closed state of the opening / closing lid 10 between the main body case 8 and the opening / closing lid 10 and unlocking of the closing locking means. provided with a means, and characterized in that the main body of the case 8 side, are provided with opening means for stopping have open press lid 10 conjunction with the operation of the unlocking means of half-open state position or in <br/> To do.

Here, the disk 3 means a drive shaft insertion window 4
In addition to the so-called case-loaded disk in which the disk 3 is rotatably housed in the cartridge case 1 having the head window 5, a digital audio disk or an optical disk not housed in the case is also included. When applying such a digital audio disc or optical disc, that this disc is placed directly on the upper surface 9, it will clean the dirt attached thereto by sliding rotation of the cleaning member on the disk surface. The opening / closing lid 10 can be opened / closed by attaching / detaching to / from the main body case 8 in addition to a form in which a part of the open / close lid 10 is pivotally connected to the main body case 8 with a shaft 11 or the like and is rotated around the shaft 11. Including those that open and close. Open / close lid 10
The closing lock means may be, for example, provided between the facing surfaces of the opening / closing lid 10 and the body case 8 facing the opening / closing lid 10 with a convex portion on one side and a detachable concave portion on the convex portion on the other side, or opening / closing It is considered that one of the lid 10 and the main body case 8 is provided with a concave portion or a convex portion, and a lock lever separate from the opening / closing lid 10 and the main body case 8 can be engaged and disengaged with the concave portion or the convex portion. . Also, the opening / closing lid 1
It is optional that the unlocking means of No. 0 is integrated with the closing locking means, or is formed separately. The means for rotationally driving the disk 3 or the cleaning member 16 may be a manual type or an electric type.

[0006]

In this case, the closing lock means of the opening / closing lid 10 can prevent the opening / closing lid 10 from being opened accidentally during cleaning. After cleaning, when the lock is released by the lock release means, the opening / closing lid 10 is interlocked with this.
Is in a half-opened state in which it is slightly opened by the push-opening action of the opening means, and it is easy to confirm the unlocked state of the close lock.
Less vibration.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of a disk cleaner according to the present invention will be described below with reference to the drawings. First, a disk cartridge, which is an example of an object to be cleaned, will be described. In this disk cartridge D, as shown in FIG. 2, a disk 3 having a hub 2 in the center is rotatably mounted inside a hard plastic cartridge case 1. It is housed. Cartridge case 1 is the drive shaft receiving opening 4 to expose the hub 2 in the substantially central portion of the upper and lower surfaces, respectively opening the head window 5 for exposing a part of the board surface of the disc 3 at a location that is polarized from the center There is. The hub 2 is formed with a shaft hole 6 at the center of the end face, into which a drive-side rotating shaft is inserted, and a drive hole 7 into which a drive-side drive pin is inserted at an eccentric position, in a vertically penetrating manner.

[0008] Next, the present invention disk cleaner, as shown in FIGS. 2 and 7, the body case 8 having an upper surface 9 of the disc cartridge D is positioned mounted horizontally constant orientation, the upper surface 9 it and a lid 10 for covering the upper opening and closing lid 10 is pivotally secured to the front end portion of the upper surface 9 rotatably around the rotation shaft 11.

[0009] In FIG. 2, on the upper surface 9 of the body case 8 provided so as positioning ribs 12 for regulating movement of the longitudinal and lateral direction of the disc cartridge D matches the respective four corners of the disc cartridge D There is. A substantially central portion of the upper surface <br/> 9 is deployed fixed to the hub receiving body 13 which supports receiving the lower end surface of the hub 2 of the disc cartridge D is slightly projected from the upper surface 9. The upper end surface of the hub receiver 13 is provided with a protrusion 13 a that is inserted into the central shaft hole 6 of the hub 2.

[0010] The front lower side of the upper surface 9 a recess 15 is formed, the tape-like in the recess 15 in the cleaning member 1
A cleaning cartridge 14 having a built-in 6 is detachably accommodated. A push-out protrusion 17 having a chevron-shaped cross section for pushing out the cleaning member 16 in the cleaning cartridge 14 is provided at a substantially central portion of the recess 15 in the left-right direction. The left and right central portion of the rear end portion of the upper <br/> surface 9 recess 38 for facilitating out gripping the rear end portion of the disc cartridge D to be placed on the upper surface 9 is formed.

In FIG. 4, the cleaning cartridge 14 accommodates a tape-shaped cleaning member 16 in a cartridge case 18.
The cleaning member 16 is wound around a feeding shaft 19 and a take-up shaft 20 in the inside, and both shafts 19.2 of the cartridge case 18 are
An extrusion port 21 of the cleaning member 16 and a protrusion inlet 22 of the extrusion protrusion 17 are opened vertically opposite to each other at a position corresponding to 0. Thus, when the cleaning cartridge 14 is dropped into the recess 15 and mounted, the extrusion protrusion 17 on the body case 8 side protrudes into the protrusion inlet 22 on the cartridge 14 side, and a part of the cleaning member 16 is extruded upward from the extrusion port 21. To be done. Also, the cleaning cartridge 1
When 4 is loaded in the recess 15, the cleaning member 16 can be wound up. That is, as shown in FIGS. 2 and 3, the take-up roller 25 is rotatably supported only on the front wall of the main body case 8 only in the take-up direction, and the eccentric pin 25a is provided at the shaft end of the take-up roller 25. On the other hand, the claws 20a are radially provided on the shaft end of the winding shaft 20 of the cleaning cartridge 14.
Is loaded in the recess 15, the eccentric pin 25a is engaged between the claws 20a and 20a, and the cleaning member 16 is wound on the winding shaft 20 by a predetermined length by the rotation operation of the winding roller 25.

2 and 7, the central portion of the opening / closing lid 10, that is, the main body case 8 when the opening / closing lid 10 is closed.
The rotary shaft portion 23 for rotating the disk 3 is attached to a position facing the hub receiver 13 on the side, and the manual handle 24 is supported on the upper surface side of the lid 10 so as to be horizontally rotatable around the rotary shaft portion 23. To do. From the center of the lower end surface of the rotating shaft portion 23, a center shaft 26 that fits into the center hole 13b of the protrusion 13a of the hub receiver 13 is provided so as to project, and from the eccentric position, an eccentricity that fits into the drive hole 7 of the hub 2 is formed. The shaft 27 is urged downward by a spring 28.

As shown in FIGS. 2 and 4, a receiving pad 29 moves up and down at a predetermined position on the inner surface of the opening / closing lid 10, that is, at a position facing the extrusion protrusion 17 on the main body case 8 side when the opening / closing lid 10 is closed. It is supported freely and is constantly urged by being pushed down via a spring 30.

As shown in FIGS. 2 and 3, the opening / closing lid 10
The inner surface, is provided on the upper surface of the four corners of the disc cartridge D to be placed on the upper surface 9 of the main body casing 8 recess 3
And projecting the presser pin 32 to press on the upper surface 9 of the cartridge D is fitted to one.

An opening / closing lid 1 is provided between the main body case 8 and the opening / closing lid 10.
A closing lock means for locking the closed state of 0 and a means for unlocking the closing lock means are provided. The closing lock means specifically shown here and the releasing means are integrally formed. Closing cover 10 is formed in a shape having side walls 10a and right and left side walls 10b · 10c after fitted to the outer peripheral surface of the positioning ribs 12 of the front, rear, left and right projecting from above into the upper surface 9 of the main body casing 8, in particular lid 10 On the rear free end side opposite to the front fixed end pivotally supported by the shaft 11 of the right and left side walls 10b and 10c, rear left and right positioning ribs 12 are formed.
A small protrusion 33 that slidably contacts the inner surfaces of the left and right sidewalls 10b and 10c on the outer peripheral surface of the ribs 12 and 12 so that the outer peripheral surface of the rib 12 is firmly slidably fitted to prevent rattling. Is provided.

As shown in FIGS. 5, 6 and 7, the closing lock means and the releasing means of the opening / closing lid 10 are the engaged piece 34 provided on the opening / closing lid 10 side and the above-mentioned covered piece on the main body case 8 side. A lock lever 35 is provided so as to be engageable with and disengageable from the engagement piece 34, and the lock lever 35 is provided with an operating portion 37. The engaged piece 34 is protruded from slightly anterior position closer than the side wall 10a after the inner surface of the lid 10 has a concave portion 34a downward. The lock lever 35 includes an engaging claw 36 that engages with and disengages from the recess 34 a of the engaged piece 34, and an operating portion 37 that is integrally formed at a right angle to the engaging claw 36. protrudes from the rear of the upper surface 9 upwardly, the operation unit 3
7, while supporting freely swing vertically about the shaft 39 to the inner bottom portion of the rear recess 38 of the upper surface 9 so as to be positioned within the contour of the body case 8, between the inner bottom surface of the operating portion 37 and the main body casing 8 An interposing spring 40 constantly urges upward swinging.

As shown in FIG. 9, in the recess 38,
A space is formed between the operating portion 37 of the lock lever 35 and the rear end portion of the disk cartridge D located above the lock lever 35 so that a finger can be inserted from the rear of the main body case 8 when operating the lock lever 35. There is. Further, a part of the rear side wall 10a, which is located above the recess 38 when the opening / closing lid 10 is closed, is cut out to form a notch 41 so that a finger can be easily put in and out of the recess 38.

As shown in FIG. 8, lid as the cartridge D is not to cause a positional deviation on the upper surface 9 the finger is touching the rear portion of the disc cartridge D when inserting a finger in the recess 38 A shield wall piece 42 is provided so as to project from the inner surface of 10 so as to block the direction of the rear end portion of the disk cartridge D and the notch portion 41.

In FIGS. 1 and 2, there is provided an opening means for pushing the opening / closing lid 10 to a half-open state in association with the operation of the unlocking means. The opening means, the opening 12a provided on the upper surface portion of the rear of the positioning ribs 12 on the upper surface 9 of the main body casing 8, the push-up pin 4 in the opening 12a
3 is installed by a spring 44 so as to always push upward and bias the same, while a pin pressing protrusion 45 is provided on the inner surface side of the opening / closing lid 10 so as to face the push-up pin 43, and the opening / closing lid 10 is completely closed. The pressing projection 45 pushes down the push-up pin 43 against the spring 44. The push-up pin 43 has a collar 43a at its intermediate portion, and the collar 43a abuts against the lower end of the opening 12a to prevent the push-up pin 43 from being pushed further up by the spring 44. The tip of 43 does not protrude from the upper surface of the positioning rib 12. This prevents the disk 3 from touching the tip of the push-up pin 43 and being damaged when the disk 3 is attached or detached.

Now, as shown in FIGS. 5 and 6, when the opening / closing lid 10 is closed, the tip of the engaged piece 34 slides on the taper 36a of the engaging claw 36 of the lock lever 35, and the lever 3 moves.
5 is slightly swung around the shaft 39, and at the same time a closed lock state in which the engaging claw 36 is engaged with the recess 34a is obtained,
The pin pressing protrusion 45 on the opening / closing lid 10 side pushes down the push-up pin 43 against the spring 44, and the push-up pin 43 pushes the open / close lid 10 to urge it open.

In order to open the opening / closing lid 10, as shown in FIG. 9, put a finger in the recess 38 of the main body case 8 to lock the lock lever 3.
When the operating portion 37 of 5 is pushed down against the spring 40, the lever 35 swings around the shaft 39 to disengage the engaging claw 36 from the recess 34a of the engaged piece 34, and the push-up pin 43 presses the pin. By pushing up the protrusion 45, the opening / closing lid 10 is forcibly pushed open to the half-opened state (see FIG. 1).

Next, the procedure for cleaning the disk 3 of the disk cartridge D will be described. Open / close lid 1
When 0 is opened and the cleaning cartridge 14 is accommodated in the recess 15 of the main body case 8, as shown in FIG. 4, a part of the cleaning member 16 is pushed upward by the pushing protrusion 17 from the pushing port 21 of the cartridge case 18.

Next, when positioning mounting the disc cartridge D on the upper surface 9, under the hub 2 of the disc 3 enters hub receiving body 13 is in its lower surface side of the drive shaft receiving opening 4 as shown in FIG. 7 support receiving the end faces, also contains extruded portion of the cleaning member 16 is pressed in contact with the radial direction of the board surface of the disk 3 to the head window 5.

Then, when the opening / closing lid 10 is closed, as shown in FIG. 7, the opening / closing lid 10 is automatically closed and locked by the lock lever 35 as described above.
The disc cartridge D is pressed onto the upper surface 9 by the pressing pin 32 as shown in. Further, the rotary shaft portion 23 on the lid 10 side enters into the drive shaft insertion window 4 on the upper surface side of the disc cartridge D, and the central shaft 26 is fitted into the central hole 13b of the hub receiver 13 to receive the hub 2 from the hub. It is connected to the hub 2 by pressing it horizontally against the body 13. The receiving pad 29, enters the head window 5 on the upper surface side of the disk cartridge D, it is pressed in contact with the cleaning member 16 presses the panel surface of the disc 3.

Thus, as shown in FIG. 10, when the fingertip is inserted into the recess 24a of the manual handle 24 and the manual handle 24 is horizontally rotated around the rotary shaft portion 23 on the lid 10, the rotary shaft portion 23 rotates. Then, when the eccentric shaft 27 reaches the drive hole 7 of the hub 2, as shown in FIG.
The disk 3 is rotated by the force of the spring 28. Dirt adhering to the board surface with the rotation of the disc 3 is wiped by the cleaning member 16.

At this time, since the opening / closing lid 10 is closed and locked, it cannot be opened accidentally, and the rotating shaft portion 23 and the hub 2 cannot be opened.
The state of connection with the disc 3, and the cleaning member 1
6, the contact state with 6 is reliably maintained, and since the operating portion 37 of the lock lever 35 is located inside the recess 38 and inside the outer casing of the main body case 8, the manual handle 24
Even if the opening / closing lid 10 and the main body case 8 are supported by the hand opposite to the holding hand, the hand accidentally accidentally operates the operation portion 37.
There is no need to touch the lid, and in this respect also the opening / closing lid 10
It can prevent accidental opening and can perform cleaning safely.

After cleaning, the disk cartridge D
In order to take out the lock lever 35, the operation portion 37 of the lock lever 35 is pushed down by a hand which is inserted from the recess 38, the engaging claw 36 of the lever 35 is disengaged from the engaged piece 34 on the opening / closing lid 10 side, and the push-up pin 43 is used. The opening / closing lid 10 is forcibly pushed upward in a half-open state. The unlocked state can be confirmed by this half-opening, and then the opening / closing lid 10 in the half-opened state.
The disk cartridge D can be taken out by easily opening the disk.

[0028]

As described above, according to the disc cleaner of the present invention, since the closing / locking means for the opening / closing lid 10 is provided, it is possible to prevent the opening / closing lid 10 from being opened accidentally during cleaning, and the disc 3 is protected. It can be safely cleaned without damage. After cleaning, since the opening / closing lid 10 is in the half-opened state in response to the push-opening action of the opening means in conjunction with the operation of closing and unlocking the lock by the lock releasing means, it is possible to easily confirm the unlocked state. The opening / closing lid 10 in the half-opened state can be easily opened by hand. Moreover, according to the half-opening operation of the opening / closing lid 10, the recoil of the opening / closing lid 10 is small and the main body case 8 is unlikely to vibrate, so that the disc 3 can be prevented from being lifted or damaged, and the lid can be safely opened. Further, when the opening / closing lid 10 is in the half-opened position, the opening means is pushed.
The opening action is stopped. Therefore, open
Between the half-open position and the fully-open position of the lid 10.
Is not affected by the opening force of the opening means,
On the contrary, when closing to the half-open state, from the half-open state to the full-open state
Easy to operate because it requires only a small amount of manual operation when opening
It is. Also, when closing from the fully open state to the half open state,
Since the disk 3 is closed by the
Close while observing whether it is correctly set in the specified position.
It is possible to protect the disc 3 in this respect as well.
Is advantageous. Furthermore, the opening / closing lid 10 is in the half-opened position.
Simple structure without the need for a special structure
can do.

[Brief description of drawings]

FIG. 1 is a vertical cross-sectional front view showing a closed lock mechanism portion in an unlocked state.

FIG. 2 is a perspective view of a disc cleaner, a disc cartridge, and a cleaning cartridge.

FIG. 3 is a plan view showing a state in which an opening / closing lid is removed.

FIG. 4 is a sectional view of a cleaning portion.

FIG. 5 is a vertical cross-sectional side view showing a locked state in which a closing lock mechanism portion is partially broken.

FIG. 6 is a vertical sectional front view showing a closed lock mechanism portion in a locked state.

FIG. 7 is a vertical cross-sectional side view in a closed state.

FIG. 8 is a vertical sectional side view showing a closed lock mechanism portion in a locked state.

FIG. 9 is a vertical cross-sectional side view showing a closed lock mechanism portion in an unlocked state.

FIG. 10 is an external perspective view of a usage state.

[Explanation of symbols]

3 disc 8 main case 9 on surface 10 close lid 16 cleaning member 35 locking lever 37 operating portion 43 push-up pin 44 spring

Claims (1)

[Claims] 1. A disk cleaner comprising: a main body case 8 having an upper surface 9 on which the disk 3 is placed; an opening / closing lid 10 covering the upper surface 9; and a cleaning member 16 for cleaning the surface of the disk 3. In addition, a closing lock means for locking the closed state of the opening / closing lid 10 and a means for unlocking the closing lock means are provided between the main body case 8 and the opening / closing lid 10, and the main body case 8 side
The disk Gree Na, characterized in that are provided with opening means for stopping have open press lid 10 in conjunction with the operation of the unlocking means to the position of the half-open state.