JPH06243670A - Device for locking opening/closing cap of disk player - Google Patents

Abstract

PURPOSE:To attain releasing the lock of an opening/closing cap by depressing a button easy for operation according to the dominant arm of a user and a foundation condition, etc., by providing two pieces of door open buttons on left and right sides of the opening/closing cap. CONSTITUTION:When the door open button 4-1 of right side is depressed, a rotational arm 10-1 is depressed by a rod 4a, and the arm 10-1 is rotated around a supporting shaft 9-1, and whose other end is raised. Then, the tip of a driving lever 7 is thrusted up, and an engaging lever 6 is rotated through the supporting shaft 5, and the engagement between the engaging lever 6 and the engaging part 103a of the opening/closing cap 103 is released, and the cap is opened. Further, when the door open button 4-2 is depressed, the cap 103 is opened by similar operation. That is, the cap is opened by using the dominant arm regardless of a right dominant arm and a left dominant arm, and operability is improved.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an opening / closing lid locking device for a disc player, for example, holding the opening / closing lid of the disc player in a locked state with the lid closed and releasing the locked state as necessary to open / close the lid. The present invention relates to an opening / closing lid locking device that allows a user to open.

[0002]

2. Description of the Related Art Generally, in a conventional disc player, an opening / closing lid is rotatably attached to one side of a disc player body via a support shaft, and the opening / closing lid is opened / closed to set a disc at a predetermined position. Or, there is one that is designed to be taken out. The opening / closing lid is locked at this position in a closed state, and when the locked state is released, the opening / closing lid is automatically opened by a spring or the like acting on the opening / closing lid.

[0003]

However, in such a conventional disc player, the release button (eject button) for releasing the locked state of the opening / closing lid is located on the left side or the right side of the opening / closing lid. 1 on one side
Usually, only one is provided. When the opening button is provided on the right side of the opening / closing lid, it is easy for a right-handed user to operate, but it is difficult for a left-handed user to operate. Further, when the opening button is provided on the left side of the opening / closing lid, on the contrary, there is a problem that it is difficult for a right-handed user to operate. Further, if there are two opening buttons on the opening / closing lid, they may be erroneously pressed during reproduction of the disc, causing the disc to pop out and damage the disc. In addition, if a fixing member for fixing the opening button of the opening / closing lid is separately provided, the opening button and the fixing member are separate parts, which increases the number of parts inspections.

The present invention has been made in view of the problems of the prior art as described above. Opening buttons are provided on the left and right sides of the opening / closing lid, and the lock state is released from either the left or right side of the main body to open the opening / closing lid. It is an object of the present invention to be opened and easy to use for both left-handed and right-handed users, to prevent erroneous operation, and also to enable opening and closing and fixing with one button.

[0005]

According to a first aspect of the present invention, there is provided an opening / closing lid for a disc player, which is provided for locking the opening / closing lid at a closed position in a disc player having an opening / closing lid attached to a main body so as to be openable / closable. In the locking device, an engaging lever that is rotatably attached to the main body and engages with an engaging portion of the opening / closing lid, a lock release mechanism that moves the engaging lever to a position that does not engage with the opening / closing lid, and the lock. It is characterized in that it is provided with door open buttons arranged on both left and right sides of the main body for operating the release mechanism.

According to a second aspect of the present invention, in addition to the structure according to the first aspect, the lock release mechanism includes a rotating arm that is rotated by the movement of the door open button, and a rotating arm of the rotating arm. And a drive lever that is rotated by movement to move the engagement lever to a position where it does not engage with the opening / closing lid.

The present invention as set forth in claim 3 is characterized in that, in addition to the constitution of the present invention as set forth in claim 1 or 2, a regulating mechanism for preventing movement of the door open button is provided. .

[0008]

According to the first aspect of the present invention, door open buttons are provided on the left and right sides of the opening / closing lid, so that opening / closing or locking is performed by pressing the button on the side that is easy to operate according to the dominant arm of the user or the installation conditions. It is possible to cancel, and the operability is significantly improved.

According to the second aspect of the present invention, when the door open button moves, the rotation lever rotates, the drive lever rotates, and the engagement lever does not engage with the opening / closing lid due to the rotation of the drive lever. It moves to the position and the open / close lid can be opened and closed.

According to the third aspect of the present invention, since the restriction mechanism is provided, the movement of the door open button is prevented by the operation of the restriction mechanism, and the engagement lever remains engaged with the opening / closing lid. .

[0011]

Embodiments of the present invention will be described below with reference to the drawings. 1 to 4 are views showing a first embodiment of a disc player opening / closing lid lock device according to the present invention as defined in claims 1 and 2. First, the configuration will be described. In FIG. 1, 10
0 is a disc player, and the disc player 100
Has a main body 101 and an opening / closing lid 103 attached to the main body 101 via a support shaft 102, and a chucking unit 104 is supported by the opening / closing lid 103. Further, the main body 101 is provided with a turntable 105 on which the disc D is placed, and when the opening / closing lid 103 is closed, the disc D is held between the turntable 105 and the chuck unit 104. There is. This opening / closing lid 103 is operated by a spring (not shown) to
It is urged to rotate to the open position shown in
Door lock device 110 which is a lid lock device to be described later
It is adapted to be retained in the closed position only when engaged with.

On the front side of the main body 101, a disc D
An operation section 3 is provided in which an operation button 1 for selecting functions such as reproduction and stop of recorded information, a display 2, and the like are arranged. Door open buttons (eject buttons) 4-1 and 4-2 (hereinafter, representatively referred to as 4) that are urged toward the upper end of the movement range are arranged so as to move to. In this embodiment, regardless of whether the right door open button 4-1 or the left door open button 4-2 is pressed, the door lock device 11 is pressed.
The locked state of 0 is released by a lock release mechanism 115 described later, and the opening / closing lid 103 is opened.

The structure of the door lock device 110 is shown in FIGS.
Shown in. The door lock device 110 includes a support shaft 5 rotatably supported by the main body 101, an engagement lever 6 integrally attached to the support shaft 5, and a support shaft 5 formed integrally with the support shaft 5.
It is provided with a character-shaped drive lever 7 and a leaf spring 8 which engages with the upper plate of the main body 101 and urges the engaging lever 6 to engage with the engaging portion 103a of the opening / closing lid 103. Engage lever
6 is an action of the leaf spring 8, and an opening / closing lid 10 is provided via the support shaft 5.
3 is held at a position where it engages with an engaging portion 103a provided on the free end side. Further, when the drive lever 7 is rotated against the biasing force of the leaf spring 8, the engaging lever 6 is also rotated in the direction in which the engaging lever 6 is disengaged from the engaging portion 103a of the opening / closing lid 103, whereby the engaging portion 103a is rotated. The opening and closing cover 103 is opened by releasing the engagement with.

The lock release mechanism 115 includes a drive lever 7 and
The drive lever 7 is provided so as to be engaged with the side far from the support shaft and to be connected to each of the right door open button 4-1 and the left door open button 4-2. Further, the lock release mechanism 115 includes a rotating arm 10-1 which is rotatably supported by a support shaft 9-1.
One end of -1 reaches below the free end of the drive lever 7, and the other end reaches below the rod 4a of the right door open button 4-1. Reference numeral 4b is a door open button 4
-1 shows a retaining hook provided in -1. Also for the left door open button 4-2, the support shaft 9-2 and the pivot arm 10-2 (representatively referred to as 10).
A similar mechanism consisting of

Next, the operation will be described. Now, when the door open button 4-1 on the right side is moved downward so as to be pushed down, the rod 4a is positioned below the pivoting arm 1
When 0-1 is pressed, the rotating arm 10-1 rotates about the support shaft 9-1 and the other end rises. By this rotation, the free tip of the drive lever 7 located above the other end is pushed up, and the engagement lever 6 is rotated via the support shaft 5 accordingly, so that the engagement lever 6 is opened and closed. The lid 103 is disengaged from the engaging portion 103a and the opening / closing lid 103 is opened. Further, when the left door open button 4-2 is pushed down, the tip of the drive lever 7 is pushed up by the turning arm 10-2 turning, and the opening / closing lid 103 is opened by the same operation.
That is, the opening / closing lid 103 can be opened by using the right-handed arm with either the right-handed person or the left-handed person, and the operability can be greatly improved.

5 to 8 show an opening / closing lid lock device according to a second embodiment of the present invention. The same components as those in the first embodiment described above are designated by the same reference numerals. In this embodiment, a restricting mechanism 117 for restricting the movement of the door open button according to claim 3 is provided. This regulation mechanism 11
As shown in FIG. 5, 7 includes a disc-shaped regulating member 11 provided at a corresponding position of the main body 101 in order to regulate the movement of the door open button 41 in relation to the rod 4a and the hook 4b. ing. The regulation member 11 has a circular hole 12 through which the rod 4a penetrates and a fan-shaped notch 13 through which the hook 4b penetrates.

Further, the restricting member 11 has a structure shown in FIGS.
As shown in, a rib 14 is formed at one end of the fan-shaped notch 13, and a protrusion 14a is preferably formed at the tip of the rib 14. The rib 14 is provided in a position so as to form a space for accommodating the tip portion of the hook 4b between the rib 14 and the lower surface of the restriction member 11, and the door open button 41 is rotated clockwise in FIG. sometimes,
The door open button 4 is engaged with the tip of the hook 4b.
1 is restricted from moving below that position. The protrusion 14a provides a click action when the hook 4b enters this engaging position and acts to hold the hook 4b in this position. In order to facilitate the rotation of the door open button 41, a groove 4c for facilitating the rotation with a driver or a coin is provided on the top surface thereof.

That is, when the tip of the hook 4b is in a position where it does not engage with the rib 14, the door open button 4 is pressed.
1 can move downward. When the door open button 41 is pushed downward to open the opening / closing lid 103, the engagement between the engaging lever 6 and the engaging portion 103a is released by the above-described operation, and the opening / closing lid 103 is opened. However, when the door open button 41 is rotated clockwise in FIG. 6 to one end of its rotation range, the door open button 41 cannot move downward due to the engagement of the hook 4b and the rib 14. The opening / closing lid 103 is never opened. A similar mechanism is provided for the other door open button.

Therefore, if the door open button on the right side or the left side is turned clockwise to one end of its turning range according to the use condition of the dominant arm of the user, even if the door open button on that side is pushed. The opening / closing lid 103 cannot be opened. Further, the door open button 41 can be easily opened and the door open button 41 can be fixed by moving the door open button 41 downward and pivoting to one end, and the number of parts is small and the cost can be reduced. The door open button 41 can also be used by providing a projection or the like for hanging a finger on the top. Its shape is, for example, like a door open button 51 shown in FIG. 9 described later, and in this case, there is an advantage that the door open button can be rotated with a fingertip without using a driver or a coin.

9 to 12 show an opening / closing lid locking device 130 according to the third embodiment of the present invention. The same components as those in the first and second embodiments described above are designated by the same reference numerals. The open / close lid lock device 130 of the third embodiment is used for the door open button 5
This is a case where one is provided at the center of the main body 101. It is intended to prevent an accident in which the door open button 51 is erroneously pressed during the reproduction of the disc to open and close the opening / closing lid 103, and the disc D pops out and is damaged. The regulating mechanism 117 used in the second embodiment is provided with the engagement lever 6 of the engaging lever 6. The number of parts provided in the vicinity is reduced. The drive lever 57 is provided on the opposite side of the support shaft 5 from the leaf spring 8 so that the free end of the drive lever 57 can be directly pressed by the lower end of the rod 4a of the door open button 51. For this reason, two rotating arms are unnecessary, the number of parts is reduced, and the cost can be reduced.

13 and 14 show a mechanism for restricting the door open button 43 of the fourth embodiment to which the opening / closing lid locking device of the present invention is applied. The same components as those in the above-described embodiment are designated by the same reference numerals. In this regulation mechanism 119, the drive lever is
57 allows the rod 4a to rotate about its axis,
In addition, it is supported so as to be movable in a predetermined range in the axial direction, and a door open button 43 is fixed to the tip of this rod 4a. Further, a rectangular plate member 15 extending along a plane substantially orthogonal to the axis of the rod 4a is fixed, and the plate member 15 is provided on the body 101 on both sides of the end of the drive lever 57 together with the rod 4a. It is possible to rotate between the engaged position and the disengaged position of the engaged plate 16. Incidentally, 45 is a spring. The plate member 15 and the engagement plate 16 form a regulation mechanism 119.

FIG. 13 shows a state in which the plate member 15 is in a position where it engages with the engagement plate 16. In this state, since the plate member 15 is engaged with the engagement plate 16, it cannot move downward even if the door open button 43 is pressed,
Therefore, the operating force does not act on the drive lever 57, and the opening / closing lid 103 does not open. However, when the door open button 43 is rotated by about 90 degrees, the plate member 15 moves to a position where it does not come into contact with the engagement plate 16, so that the door open button 43 can be pushed in and a predetermined opening operation of the opening / closing lid 103 is performed. Is performed.

[0023]

As described above, according to the present invention, the door open buttons are provided on the left and right sides of the opening / closing lid, so that the button on the side that is easy to operate according to the dominant arm of the user or the installation conditions can be provided. It is possible to release the lock of the open / close lid by pushing, and the operability can be greatly improved.

Of the left and right door open buttons, the one that is not normally used is fixed so that it cannot be pushed in, and the opening and closing lid is not unlocked even if the button on the fixed side is pushed. By providing the mechanism, it is possible to prevent an erroneous operation such as a disc being damaged by being operated by mistake with another operation button. Further, the door open button can be fixed easily by rotating the door open button, and the operability can be further improved.

[Brief description of drawings]

FIG. 1 is a perspective view showing a state in which an opening / closing lid of an opening / closing lid locking device for a disc player according to a first embodiment of the present invention is opened.

FIG. 2 is a plan view of the opening / closing lid lock device of the embodiment shown in FIG.

FIG. 3 is a cross-sectional view of the opening / closing lid locking device shown in FIG.

FIG. 4 is a perspective view of the opening / closing lid locking device of FIG.

FIG. 5 is an exploded perspective view showing a main part of an opening / closing lid locking device according to a second embodiment of the present invention.

6 is a plan view of the restriction mechanism of the embodiment shown in FIG.

7 is a cross-sectional view taken along the line AA of the embodiment shown in FIG.

8 is a sectional view taken along the line BB of the embodiment shown in FIG.

FIG. 9 is an exploded perspective view of an opening / closing lid lock device according to a third embodiment of the present invention.

10 is a plan view of a restriction member of the opening / closing lid lock device shown in FIG.

11 is a sectional view taken along the line AA of the embodiment shown in FIG.

12 is a sectional view taken along the line BB of the embodiment shown in FIG.

FIG. 13 is a perspective view of an opening / closing lid lock device for a door open button according to a fourth embodiment of the present invention.

FIG. 14 is a sectional view of an essential part of an opening / closing lid locking device according to a fourth embodiment of the present invention.

[Explanation of symbols]

4-1, 4-2, 41, 43, 51 Door open button 5 Support shaft 6 Engaging lever 7,57 Drive lever 8 Leaf spring 10-1, 10-2 Rotating arm 11 Restricting member (restricting mechanism) 15 Plate Member (regulation mechanism) 16 Engagement plate (regulation mechanism) 100 Disc player 101 Main body 102 Spindle 103 Opening / closing lid 103a Engaging portion 110 Door lock device (opening / closing lid lock device) 115 Lock release mechanism 117, 119 Regulation mechanism

Claims (3)

[Claims] 1. An opening / closing lid locking device for a disc player, which is provided for locking a closing position of the opening / closing lid to a disc player having an opening / closing lid attached to the body so as to be opened / closed, rotatably attached to the body. An engaging lever that engages with an engaging portion of the lid, a lock releasing mechanism that moves the engaging lever to a position that does not engage with the opening / closing lid, and both left and right sides of the main body for operating the lock releasing mechanism. An opening / closing lid lock device for a disc player, comprising: a door open button arranged. 2. The lock releasing mechanism comprises a rotating arm that rotates when the door open button moves, and a rotating arm that rotates when the rotating arm rotates so that the engaging lever opens and closes. 2. The opening / closing lid lock device for a disc player according to claim 1, further comprising a drive lever for moving to a position that does not engage with. 3. The opening / closing lid locking device for a disc player according to claim 1, further comprising a regulation mechanism for preventing movement of the door open button.