JPH0997441A - Protective cover for pickup part of compact disk player - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the sticking or intrusion of foreign materials to the objective lens of a pickup part and the driving device of the lens by providing a transparent cover part for covering the upper surface of the pickup part with an attaching means. SOLUTION: The transparent cover part 100 in an almost rectangular shape is provided so as to cover the upper surface of the pickup part 30 by the attaching means 200. The attaching means 200 is composed of plural hooks 120 formed on the respective sides of the grounding part 111 of the cover part 100 and plural engaging holes 11 respectively formed at positions around the pickup part 30 on a base so as to be engaged with the respective hooks 120. Thus, the sticking or intrusion of the foreign materials such as dust or the like to the objective lens 31 and the surface or inside of the driving device of the objective lens is prevented and the operation faults and performance decline of a compact disk player are prevented.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a protective cover for a pickup portion of a compact disc player, and in particular, foreign substances such as dust are attached to an objective lens and a lens driving device provided in the compact disc player. The present invention relates to a protective cover for a pickup section of a compact disc player for preventing intrusion.

[0002]

2. Description of the Related Art Generally, a compact disc player, as shown in FIG. 1, includes a base 10 and a frame 20 on which a compact disc is placed by opening and closing by sliding the base 10 freely. , Base 10
And a drive unit 40 for raising the objective lens 31 constituting the pickup unit 30 when the frame 20 is closed and the frame 20 is closed and the compact disc is played. And are provided.

[0003]

However, when the compact disc player configured as described above is used for a long time, foreign substances such as dust and dust adhering to the compact disc drop and the compact disc player There is a problem that foreign substances or the like may adhere to or enter the surface or the inside of the objective lens 31 and the lens driving device 40, which are the most important parts, which may cause an operation failure and performance deterioration of the compact disc player. It was

An object of the present invention is to solve the above-mentioned conventional problems. A transparent protective cover is injection-molded and attached so as to cover the upper surface of the pickup portion of the compact disc player. By installing by means, it is to prevent foreign substances from adhering to or entering the objective lens and the lens driving device provided in the compact disc player.

[0005]

In order to achieve the above object, the protective cover of the pickup portion of the compact disc player of the present invention is opened and closed by sliding the base and the base so as to be separable from and into the compact cover. A frame on which a disc is placed, a pickup unit provided on the base for closing the frame close to the base and playing a compact disc, and a drive device for raising the objective lens of the pickup unit when the frame is closed. In a compact disc player provided with and, a transparent lid part is installed by an attaching means so as to cover the upper surface of the pickup part.

According to the present invention, the transparent lid is installed by using the mounting means so as to cover the upper surface of the pickup of the compact disc player, so that the surface of the objective lens of the pickup and the driving device of the lens. Alternatively, it is possible to prevent foreign substances from adhering to or entering the inside of the compact disc player, thereby preventing an operation failure and performance deterioration of the compact disc player.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION The technical constitution of the present invention will now be described in detail with reference to the accompanying drawings. FIG. 3 is a view showing an installed state of a cover for preventing foreign substances in the pickup portion of the compact disc player of the present invention, and FIG. 4 is a side view of FIG.

As shown in FIGS. 1 and 2, the present invention includes a base 10, a frame 20 on which a compact disc is placed, which is opened and closed by sliding on and off from the base 10, and a base 10. A pickup unit 30 provided to close the frame 20 close to the base 10 and play a compact disc.
When the frame 20 is closed, the pickup unit 30
In a compact disc player provided with a drive device 40 for raising the objective lens 31 constituting
As shown in FIGS. 3 and 4, the transparent lid portion 10 is substantially rectangular in plan view so as to cover the upper surface of the pickup portion 30.
It is a technical configuration that 0 is installed by the attachment means 200.

Further, the lid 100 has an objective lens 31.
Has a height that does not cause interference when the
An antireflection material 110 is integrally formed on the entire inner surface. At this time, the lid 100 and the antireflection material 110 are formed of a transparent material.

Further, the mounting means 20 is provided on the outer peripheral edge of the pickup section 30 which abuts the ground section 111 of the lid section 100.
0, that is, a substance having an excellent adhesive force such as an adhesive or a double-sided tape is provided.

FIG. 5 shows another embodiment of the attachment means of the present invention. The attachment means 200 includes a plurality of hooks 120 formed on each side of the ground portion 111 of the lid portion 100 and each of the hooks 120. It is composed of a plurality of engagement holes 11 formed at positions around the pickup portion 30 of the base 10 so as to be engaged with the hooks 120.

As described above, according to the present invention, the transparent lid 100 is installed in close contact with the upper surface of the pickup unit 30 of the compact disc player by using the mounting means 200, and the objective lens of the pickup unit 30 is installed. Also, by preventing foreign substances such as dust from adhering to or entering the surface or the inside of the lens driving device 40, it is possible to prevent the operation failure and performance deterioration of the compact disc player.

[Brief description of drawings]

FIG. 1 is a diagram schematically showing a general compact disc player.

FIG. 2 is a perspective view showing the compact disc player of FIG. 1 with a part thereof omitted.

FIG. 3 is a view showing an installed state of a protective cover of the pickup section of the present invention.

FIG. 4 is a side view of FIG. 3;

FIG. 5 is a schematic view showing another embodiment of the protective cover of the present invention.

[Explanation of symbols]

10 ... Base, 11 ... Engagement hole, 20 ... Frame,
30 ... Pickup unit, 31 ... Objective lens, 40 ...
.Drive device, 100 ... Lid, 110 ... Anti-reflection material,
111..Grounding part, 200..Mounting means

Claims (4)

[Claims] 1. A compact disc, which is provided on the base and a frame on which the compact disc is placed by opening and closing by sliding freely to and from the base, and which is provided on the base and closes the frame in close proximity to the base. In a compact disc player provided with a pickup unit adapted to play a player and a drive device for raising an objective lens of the pickup unit while the frame is closed, a transparent lid is attached to cover the upper surface of the pickup unit. The protective cover for the pickup section of the compact disc player, which is installed by. 2. The protective cover for a pickup portion of a compact disc player according to claim 1, wherein the mounting means is a double-sided tape. 3. The mounting means is formed at a plurality of hooks formed at a predetermined interval on a ground portion of the lid portion, and at a position close to the pickup portion of the base so as to engage with the hooks. 2. A protective cover for a pickup portion of a compact disc player according to claim 1, wherein the protective cover comprises a plurality of engaged holes. 4. The pickup unit of a compact disc player according to claim 1, wherein an antireflection material is integrally applied to the entire inner surface of the lid portion, and the antireflection material is formed of a transparent material. Protective cover.