JPS6222266A - Magnetic recording device - Google Patents

Abstract

PURPOSE:To simplify the structure by providing a means for deviating in the ascending/descending direction of a disc cartridge holder and for giving a force energizing the holder to the movement of a position capable of magnetic recording and reproduction. CONSTITUTION:A disc cartridge 2 enclosed by the disc cartridge holder 1 contacts a flat face of a disc cartridge positoining pin 4b projected from a frame 4, receives an energizing force to the holder 1 by an energizing spring 7 via the holder 1 and is stuck to the frame 4. In moving a disc cartridge elevating/descending member 5 to the right as shown in the arrow, a slide pin 3 provided to the holder 1 slides on a lower wall slope 5a of the opening part of the member 5, the holder 1 goes upward attended with the sliding of a slide pin 3 on the slope while the horizontal movement is limited by the engagement between a positioning pin 6 and a frame side face opening 4a, and when the pin 3 reaches a position shown in hatched lines, the holder 1 is arranged at the disc cartridge loading/ejection position to load/eject the disc cartridge enclosed by the holder 1 at the inside and the outside of a magnetic recording device.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a mechanism for sticking a disk cartridge to a main body of a magnetic recording device in a magnetic recording device.

[Summary of the invention]

The present invention provides a #0 disk cartridge sticking mechanism for a magnetic recording device, including a disk cartridge holder that can freely move between a disk cartridge insertion/removal position of the magnetic recording device and a recording/playback enabled position, and a disk cartridge holder for the disk cartridge holder. Parallel to the plane, the disk cartridge holder is in contact with the disk cartridge holder at least approximately in the center, and both ends are rotatably held in the magnetic recording device main body, and the disk is deviated in the vertical direction of the disk cartridge holder. The structure of the groove is simplified by means of providing a force for urging the cartridge holder to move to a position where magnetic recording and reproduction are possible.

[Conventional technology]

In order to ensure the read/write operation of magnetic recording, which is the basic performance of a magnetic recording device, during magnetic recording and reproduction, the disk cartridge covering the magnetic medium is inserted into the read/write operation of the magnetic recording device. It is necessary to accurately place and stick with good reproducibility.

FIG. 4(α) is a schematic plan view of a disk cartridge adhesion mechanism in a conventional magnetic recording device, FIG. 4(6) is a schematic side view, and FIG. 4(C) is a schematic front sectional view.

The disk cartridge holder 1u holding the disk cartridge 2 is attached to the side surface of the disk cartridge elevating member 15 which is slidable on the frame 14 in the direction of the arrow shown in FIG. A side opening 14cL of the frame 14, which slidably engages with the through opening 15c and is disposed on the side surface of the disk cartridge holder IHD. : Can freely move within the range regulated by the positioning pin 16 that is slidably engaged.

The coil spring 17 has one end engaged with the disk cartridge holder 11 and the other end engaged with the frame 14, and always pulls the disk nine-tridge holder 11' in one direction.

Figure 4 (6) shows the disc cartridge holder 11 standing upright with the disc cartridge inserted and removed.

The disk cartridge holder 11c and the slide pin 13 disposed on the disk cartridge holder 11 come into contact with the lower wall 15b of the side opening of the disk cartridge lifting member 15 shown in FIG. This maintains the insertion/extraction position of the disk cartridge in the magnetic recording device.

FIG. 4(b) of the disk cartridge lifting member 15
9, by moving the slide bin 13 to the left, the slide bin 13 slides on the opening lower wall 15b of the elevating member 15 and reaches the opening lower part 15c. When the slide bin 13 reaches the opening 15c, the disk cartridge 2 is placed in a position where magnetic recording and reproduction are possible. The spring force of the coil spring 17 causes the magnetic recording device to stick to the main body.

The disk cartridge holder 11 can be returned to the disk cartridge insertion/extraction position by moving the elevating member 15 in the direction of the inner fabric (FIG. 4(6)).
3 is pushed up to position 15 b (7) in the figure.

[Problems and Objectives to be Solved by the Invention] In a device using a conventional disk cartridge sticking mechanism having the above-mentioned structure, the fill spring must be placed on the side of the device due to restrictions on the shape of the coil spring. First, the shape of the spring locking part is complicated, and in order to obtain a stable spring load, two coil springs must be installed on the left and right sides of the disk cartridge holder O, resulting in a complicated structure. Oh.

Therefore, the present invention solves the above problems.
The object is to provide a magnetic recording device having a simple structure and a disk cartridge sticking mechanism.

[Means for solving problems]

The disk cartridge sticking mechanism of the magnetic recording device of the present invention has means for receiving and inserting the disk cartridge into the magnetic recording device, and the disk can be freely moved between the disk cartridge insertion/extraction position and the magnetic recording/reproducing position of the magnetic recording device. a cartridge holder; parallel to the plane of the disk cartridge holder, at least approximately in the center of the disk car; The present invention is characterized by comprising means for generating a force that biases the disk cartridge holder in the vertical direction and urges the disk cartridge holder to move to a position where magnetic recording and reproduction are possible.

[Effect]

According to the above configuration of the present invention, the disk cartridge inserted into the magnetic recording device moves up and down in accordance with the movement of the disk cartridge elevating member Q of the disk cartridge holder, thereby adjusting the disk cartridge insertion/removal position of the magnetic recording device and recording/playback. At the recording/reproducing position, the disc cartridge is fixed to the main body of the magnetic recording apparatus by the spring force of the substantially arc-shaped spring transmitted through the disc cartridge holding member.

〔Example〕

FIG. 1(CL) is a schematic plan view of -IIu of the disc cartridge sticking mechanism according to the invention, FIG. 1(b) is a schematic side view, and FIG. 1(C) is a schematic front sectional view.

Is 1 the disk cartridge of 2? It is a disk cartridge holder that has a substantially sheet metal bending groove for guiding, and is attached to a frame 4, which is the shell of the main body of the device, through a slide pin 3 provided on the side surface of the disk cartridge holder (see Fig. 1). The side opening of the frame 4 is movably engaged with the side through-hole of the disk cartridge elevating member 5 which is slidable in the direction of the arrow shown in 6), and the side opening of the frame 4 is disposed on the side of the disk cartridge holder l. The range regulated by the portion 4a and the positioning pin 6 that slidably engages with the opening 4α? You can move freely.

7 is the disk cartridge holder 1 and FIG.
) A biasing spring abuts at the middle 7α, and a hook-shaped arm 7b extending from the substantially arc-shaped portion to both sides is rotatably engaged with a groove provided on the side surface of the frame 4 about 7b as a fulcrum, A biasing force is constantly applied to the disk cartridge holder 1 in the direction of the arrow in FIG. 1(C).

Figures 1 (α), (b) and (c) show the disk cartridge holder 1 in a magnetic recording and reproducing state.

The disk cartridge 2 held in the disk cartridge holder 1 comes into contact with the holding surface of the disk cartridge positioning pin 4b protruding from the frame 4, and the disk cartridge is held by the biasing spring 7 via the disk cartridge holder 1t. The body 1 receives the biasing force and is stuck to the frame 4.

By moving the disc cartridge elevating member 5 in the right direction as indicated by the arrow in FIG. Sliding on wall slope 5α,
The disk cartridge holder 1 is restrained from moving in the left-right direction in FIG. 1<b> by engagement between the positioning pin 6 and the frame side opening 4a, and is raised as the slide pin 3 slides on the slope. When the slide pin 3 reaches the vertical position shown by the hatched area in FIG. It becomes possible to insert and remove a disc cartridge into and out of a magnetic recording device.

FIG. 2 is a schematic front sectional view of the disc cartridge holder 1 when the disc cartridge is inserted and removed.

The biasing spring 7 that comes into contact with the disk cartridge holder 1 at 7α in FIG. 1 and 2 come into contact at 71α in the figure, and due to the deviation of the contact point from 7α to 7°α, the biasing spring 7 has a hook-shaped arm extending from the above-mentioned substantially arc shape to both sides. The spring 7 is bent in the longitudinal direction about a point rotatably engaged with a groove provided on the side surface of the frame as a fulcrum.

FIG. 3 (IL) is a schematic diagram of the biasing spring 7 in a deflected state due to the positional displacement of the disk cartridge holding si. In Fig. 3 (α), the free state shape of the biasing spring 7't
A dashed line, a full solid line showing the spring shape when the disk cartridge holder 1 is in the magnetic recording/reproducing position, and a broken line showing the spring shape when the disk cartridge holder 1 is in the disk cartridge insertion/extraction position. Further, in the actual embodiment, the contact point 7α between the biasing spring 7 and the disk cartridge holder 1 changes its position in accordance with each of the above-mentioned states, but for convenience, the contact point 7α is shown in FIG. The relative deflection of the spring with respect to 7α is expressed by the deviation of the hook-shaped arms extending from the substantially arc shape to both sides.

When the disk cartridge holder 1 is in the magnetic recording/reproducing position in the magnetic recording device, the adhesion force of the disk cartridge 2 to the frame 4 by the biasing spring 7 is equal to the force of the biasing spring 7 shown in Figure 3 (cL). It is given by the deflection force generated by the deviation δl of the substantially arc-shaped portion from the free state shape. Furthermore, when the disc cartridge holder 1 is at the disc cartridge insertion/extraction position, the deflection force of the biasing spring 7 generated by the deviation of δ1 plus δ2 causes the disc cartridge holding member l to move through the slide bin 3. Opening lower wall 5b of disk cartridge elevating member 5
It is held in place by being pressed against it.

FIG. 3(6) is a schematic diagram of the force relationship at each position of the biasing spring 7 in the deflected state. Due to the reaction force XP1 of the deflection force of the urging spring 7 generated at the center portion 7α of the approximately arc-shaped portion of the urging spring 7 via the disk cartridge holder 1, the approximately circular arc-shaped portion and the A force F2 is generated at the contact point 7C with the hook-shaped arm portion 7d extending from the substantially arc-shaped portion to both sides. Further, at the spring fulcrum position 7b where the hooked arm 7d rotatably engages with the groove provided on the side surface of the frame 4, a force F3 is generated as a force F and Q couple at the point 7G. , this force Il'3 becomes a force that presses the biasing spring 7 into a fixed position in the groove provided on the side surface of the frame 4.

The movement of the disk cartridge holder 1 to the position where magnetic recording and reproduction is possible is carried out by the disk cartridge elevating member 5.
This can be achieved by moving in the direction of the arrow in Figure 1 (6).

〔Effect of the invention〕

As described above, according to the present invention, the disk cartridge sticking means of the magnetic recording device can
A disk cartridge holder having means for receiving insertion into a magnetic recording device and capable of freely moving between a disk cartridge insertion/extraction position of the magnetic recording device and a position where magnetic recording and reproduction is possible, and a flat surface of the disk cartridge holder. In parallel with this, the disk cartridge holder is brought into contact with the disk cartridge holder at least approximately at the center, and both ends are rotatably held by the magnetic recording device main body, and the disk is deviated in the vertical direction of the disk cartridge holder. By composing the cartridge holder with a means for composing a force that urges the movement of the cartridge holder to a position where magnetic recording and reproduction is possible, the structure is made into a multiline structure, and the assembly is easy and compact.

[Brief explanation of drawings]

FIG. 1(α) is a schematic plan view showing an implementation ψ11 of the disk cartridge and sticking mechanism of the present invention, FIG. 1 (bt is a schematic side view, and FIG. 1(c) is a schematic front sectional view. Figure 2 is a schematic front sectional view when the disc cartridge holding member is in the disc cartridge insertion/extraction state. Figure 3 (cL) is a schematic diagram showing changes in the deflection state of the biasing spring. , FIG. 3(b) is a schematic diagram of the force relationship at each position of the biasing spring in the deflected state, and FIG. 4(b) is a schematic plan view showing the conventional disk cartridge sticking device 111. Figure (6) is a schematic side view, and Figure 4 (
c) is a schematic front sectional view. 1--Disc cartridge holder 2--Disc cartridge 4--Frame 7--Biasing spring or higher Figure 1 (in front of H and J at the signal) (Tanesuzu January Figure 3 (α)) 4th (b) Busy Sen's DeA Matagun-Torisi Stalemate Narayoshi's Ilo in front W1 Rhyme 1 Yo Figure 4

Claims (1)

[Claims] A disk cartridge is used which is characterized in that a magnetic medium capable of magnetic recording and reproduction is covered with a solid shell having a part of the opening through which a magnetic recording device and the magnetic medium can come into contact. In a magnetic recording device, the disk cartridge is inserted into the magnetic recording device, and the disk cartridge is inserted into the magnetic recording device. a disk cartridge holder that can freely move between a disk cartridge insertion/removal position of a magnetic recording device and a position where magnetic recording and reproduction are possible;
Parallel to the plane of the disk cartridge holder, it abuts the disk cartridge holder at least approximately in the center, and both ends are rotatably held by the magnetic recording device main body, in the upward and downward direction of the disk cartridge holder. 1. A magnetic recording device comprising means for generating a force that deflects and urges the disk cartridge holder to move to a position where magnetic recording and reproduction are possible.