JPH04344380A - Door structure of cartridge inserting mouth - Google Patents

Abstract

PURPOSE:To prevent deflection of the door at the time of a inserting a cartridge by fixing a film-like member being freely bendably from the one side face of the door of a cartridge inserting mouth to over the front side panel and attaching both. CONSTITUTION:The door 33 of the cartridge inserting mouth 32a is supported both edge parts of the one side face to the front side panel 32 and further the film-like member 37 being freely bendably is fixed from the one side face thereof to the front side panel 32 to attach both. Since the one side face of the door 33 is fixed with the film-like member 37 to the front side panel 32 side like this, bending of the door 33 is eliminated at the time of inserting cartridge. Also since the door 33 is not reinforced with other material, deformation due to temp. change does not generate. Also a door mechanism can be arranged in the narrow space, since it unnecessitates a special fixing tool.

Description

[Detailed description of the invention]

0001

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a door mechanism for a cartridge insertion slot in various cartridge-type disk drive devices.

0002

2. Description of the Related Art Magnetic disk drives and optical disk drives are well known in which a cartridge containing a disk serving as an information storage medium can be inserted into and removed from a disk drive at will.

In such a disk device, as shown in FIG. 5, a cartridge insertion port 11a is formed in the front panel 11 of the disk drive device 1, and the operator inserts the cartridge 2 through the cartridge insertion port 11a. It has become. And cartridge insertion slot 1
1, a door 12 is usually attached. This door 12 is, for example, a plate made of synthetic resin, and both ends of its upper side are pivotally supported by the cartridge insertion slot 11, so that when the cartridge 2 is inserted, it is pushed and rotated to open.

By the way, in such devices, as part of efforts to reduce the size of the device, attempts have been made to make the device box body thinner. Due to this thinning, the height of the cartridge insertion port 11a is
The door 12 is disposed as low as possible, and the upper chassis of the device box is directly above the door 12.

Therefore, when the cartridge 2 is inserted and the door 12 rotates, the distance d from the fulcrum to the point of force pushed up by the cartridge 2 becomes very short. Therefore, when the door 12 opens, a rather large force is applied to the door 12.
It takes 2. Due to this force, when inserting the cartridge 2, the door 12 may be bent or the support mechanisms at both ends may be damaged, as shown in FIG.

[0006] In order to prevent the door 12 from being bent or damaged, it is conceivable to form the door 12 itself from a high-strength member such as metal or to provide a robust support mechanism. However, if the door 12 is made of metal, static electricity may be discharged when the operator touches the door 12 during operation. In that case, there was a risk that the discharge current would introduce noise into the electronic circuitry inside the device, causing the circuitry to malfunction.

[0007] Further, in order to provide a robust support mechanism, a large space is required to form the support mechanism. However, due to the thinness of the device box, the upper chassis of the device box is located directly above the door 12, making it impossible to secure sufficient space.

[0008] Conventionally, therefore, in order to prevent the door 12 from bending, a metal plate was pasted to the inside of the box body of the door 12 for reinforcement. However, in this case, since the synthetic resin and the metal plate that are the materials of the door 12 have different coefficients of thermal expansion, warping may occur due to fluctuations in the environmental temperature.

[0009]

As described above, in the past, when attempting to form a sturdy door that does not deform, a large installation space is required, resulting in an increase in the size of the device.

SUMMARY OF THE INVENTION An object of the present invention is to solve the above-mentioned problems and provide a door mechanism for a cartridge insertion slot that can be installed in a narrow space and is robust and does not undergo deformation.

[0011]

[Means for Solving the Problems] In order to solve the problem, the present invention provides that the door of the cartridge insertion slot is pivotally connected to the front panel at both ends of one side, and further extends from the one side to the front panel. This is characterized in that a bendable film-like member is fixed to connect the two.

0012

[Operation] Since one side of the pivotally mounted door is fixed to the front panel side by the membrane member, the door does not bend when a cartridge is inserted. Additionally, since the door is not reinforced with another material, it will not deform due to temperature changes. Furthermore, the door can be made of ordinary synthetic resin, etc., and only requires fixing the membrane member and does not require any special fittings, so the door mechanism can be installed in a narrow space.

[0013]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the present invention will be described in detail with reference to the accompanying drawings.

FIG. 1 shows an external perspective view of a magnetic disk drive device according to an embodiment of the present invention. In the figure, the magnetic disk drive 3 has a front panel 32 fixed to the front side of a chassis 31 to form a device box. The front panel 32 has a cartridge insertion opening 32a into which a magnetic disk cartridge (not shown) is inserted, and a door 33 is attached to the opening 32a. Moreover, a display 34 and an operation switch 35 are arranged below it.

FIGS. 2(a) and 2(b) are views of the door mechanism viewed from the rear of the front panel 32, and FIG. 3 is a sectional view taken along the line A--A in FIG. 2(a). As shown in these figures, the door 33 is rotatably supported at both ends of its upper side by pins 32b formed on the front panel 32. Further, a spring 36 is attached to the supporting portion and biased in one direction. In addition, in the center of the upper side of the door 33,
A slightly thin part is formed in the shape of a step, and a membrane member 37 is fixed to the front panel 32 from this part.

The door 33 is made of various known synthetic resins, and has a slightly raised thick portion 33a formed on its front surface. Further, the membrane member 37 is a bendable thin membrane made of the same material as described above, and is fixed to the front panel 32 and the door 33 by welding or the like.

With the above configuration, in the magnetic disk drive 3 of this embodiment, when the magnetic disk cartridge is not installed, the door 33 is opened by the spring 3 as shown in FIG.
6, the cartridge insertion port 32a is closed by being pressed toward the front panel 32 side.

When using this magnetic disk drive 3, the operator inserts the magnetic disk cartridge 4 through the cartridge insertion slot 32a, as shown in FIG. As a result, the front panel 32 is pushed up by the magnetic disk cartridge 4 and rotated about the pin 32b as a fulcrum. As a result, the cartridge insertion port 32a opens and the magnetic disk cartridge 4 enters the device housing.

By the way, when the magnetic disk cartridge 4 is inserted, a force is applied to the front panel 32 in the direction of insertion. However, in this embodiment, the front panel 3
Since the center portion of the upper side of 2 is supported by the front panel 32 rather than the membrane member 37, the occurrence of bending as explained in FIG. 2 is prevented.

Further, in this case, the membrane member 37 is a mere membrane member and does not require a large installation space, unlike, for example, a hinge fitting. In addition, since the surface of the door 33 to which the membrane member 37 is fixed is formed thin with a step, when the door 33 rotates, the membrane member 37 is attached to the fulcrum of rotation, that is, the pin 32b. Bend near the center of. This prevents excessive mechanical load from being placed on the membrane member 37.

Furthermore, since the membrane member 37 and the door 33 are made of the same material, their expansion coefficients are the same, and the joint portion between them will not deform due to temperature changes.

[0022] In the above embodiment, the membrane member 37 is
Although it is fixed only to the center portion of the upper side of the door 33, it may be fixed to the entire side. In addition, the material is the door 33
We decided to use a synthetic resin similar to that of , but if it has a certain strength and can be bent, such as cloth made of various fibers,
Other materials can optionally be used.

Furthermore, it goes without saying that the present invention is applicable not only to magnetic disk devices but also to optical disk devices.

[0024]

As described above, according to the present invention, the cartridge insertion slot door has both ends of one side pivoted to the front panel, and can be bent freely from the one side to the front panel. Since the membrane member is fixed and the two are connected, the door is prevented from bending when the cartridge is inserted or deformed due to temperature changes, and since no mounting tools are used, it can be installed in narrow spaces. become.

[Brief explanation of drawings]

FIG. 1 is an external perspective view of a magnetic disk drive device according to an embodiment of the present invention.

FIG. 2 is a front view of the door mechanism seen from the rear of the front panel.

FIG. 3 is a sectional view of the door mechanism when the magnetic disk cartridge is not installed.

FIG. 4 is a sectional view of the door mechanism when the magnetic disk cartridge is installed.

FIG. 5 is a sectional view of a conventional door mechanism.

FIG. 6 is a sectional view of the door mechanism showing the door in a bent state.

[Explanation of symbols]

1 Disk drive device 2 Cartridge 3 Magnetic disk drive 4 Magnetic disk cartridge 31 Chassis 32 Front panel 32a Cartridge insertion slot 32b pin 33 Door 33a Thick part 34 Display 35 Operation switch 36 Spring 37 Membrane member

Claims (3)

[Claims] Claim 1: In a door mechanism for a cartridge insertion slot in which a square door opens and closes a cartridge insertion slot formed in a front panel of an apparatus, both ends of one side of the door are pivotally connected to the front panel. A cartridge insertion slot comprising: a door support mechanism that supports the door so that it can be opened and closed; and a bendable membrane member that is fixed from one side of the door to the front panel and connects the two. door mechanism. 2. The door mechanism for a cartridge insertion slot according to claim 1, wherein the membrane member is made of the same material as the door. 3. A door mechanism for a cartridge insertion slot according to claim 1, wherein a fixed portion of said membrane member of said door is formed thin.