JPH07101549B2 - Magnetic recording device - Google Patents

Description

The present invention relates to a mounting structure for installation in a magnetic recording device.

[Conventional technology]

A mounting structure for installation in a conventional magnetic recording device will be described. 10 and 11 are schematic plan views of a shutter opening / closing mechanism and a position detecting mechanism in a conventional magnetic recording device. Figure 12,
FIG. 13 is a schematic cross-sectional view showing a standby state and a mounted state of a conventional magnetic recording device, FIG. 14 is a schematic perspective view of a mounting portion for installation provided in a frame of the conventional magnetic recording device, and FIG. FIG. 15 is a schematic sectional view of FIG.

In FIGS. 10 and 11, a shutter lever 82 is fixed to a shutter pin 84, and is rotatably supported by a shutter lever pin 83 on a holder 81 holding a disk cartridge 102 in a direction of an arrow 85. Energized by 103. Further, rolling roller pins 81a, which are a plurality of interlocking means, are rotatably fixed to the rolling roller 81b on the side surface of the holding body 81 to engage with the holding body guide groove 95a of the frame 95, and as shown in FIG. Lifting cam portion 86b of the cam body 86 shown in FIG.
Is in contact with. The cam body 86 is a cartridge guide receiving portion which is a disk cartridge supporting means embedded in the frame body 95.
It is supported by 97 and a part of the cartridge receiving pin 96 which is a position restricting means, is arranged slidably in the directions of arrows 90 and 91, and is biased in the direction of arrow 90 by the cam body spring 89. Also the 10th
Cam body stopper 86a provided on a part of the cam body 86 shown in the figure
Engages with the locking portion 87b of the position detecting body 87 that detects the position of the disk cartridge 102, and prevents the cam body 86 from sliding in the direction of arrow 90. Further, the position detecting body 87 constitutes an abutting portion 87a that abuts against a part of the disc cartridge 102, and when the disc cartridge 102 is inserted or removed, the corresponding abutting portion 87a is formed.
The position detecting body 87 rotates in the directions of arrows 92 and 93.
The position detecting body 87 is axially supported by a position detecting body shaft 94 which is a rotation supporting means embedded in a frame 95, and a position detecting body spring 88 is provided.
Is urged in the direction of arrow 93. The eject button 98 shown in FIG. 12 and FIG. 13 is fixed to a part of the cam body 86, and is juxtaposed with the decorative plate 99 arranged on the frame 95.

The operation of the conventional structure as described above will be described. First, in FIG. 12, when the disc cartridge 102 is inserted in the direction of arrow 91 from the insertion port 99a of the decorative plate 99, the shutter pin 84 fixed to the shutter lever 82 in FIG. 10 engages with the shutter portion of the disc cartridge 102. The shutter is rotated in the direction of arrow 85 while the shutter is opened, and the disc cartridge 102 further advances in the direction of arrow 91 as shown in FIG. Then, the contact portion 87a provided in a part of the position detection body 87 contacts the disc cartridge 102, and the position detection body 87 resists the urging force of the position detection body spring 88 and is implanted in the frame 95. Starting to rotate in the direction of arrow 92 about the shaft 94. When it is further rotated, the engagement with the cam body stopper 86a provided on a part of the cam body 86 engaged with the locking portion 87b of the position detection body 87 is released, and the sliding in the direction of the arrow 90 is blocked. Had a cam body
86 starts sliding in the direction of arrow 90 by the cam body spring 89.
At this time, in the holding body 81, as shown in FIG. 12, the plurality of rolling rollers 81b provided on the side surface of the holding body 81 are provided on the lifting cam portion 8 of the cam body 86.
Although contacting with 6b prevents movement in the direction of arrow 100 shown in FIGS. 12 and 13, sliding of the cam body 86 in the direction of arrow 90 also moves the lifting cam portion 86b and the holding portion 86c, Holder 81
The rolling roller 81b provided on the holding body 81 is pushed down by the inclined surface of the holding portion 86c and moves downward in the direction of arrow 100 along the holding body guide groove 95a of the frame body 95. When the descending movement ends, the holding portion 86c of the cam body 86 prevents the holding body 81 from moving in the direction of the arrow 101 as shown in FIG.

On the other hand, the disc cartridge 102 inserted into the holding body 81 is supported by the cartridge guide receiving pin 96 and the cartridge guide receiving portion 97 which are planted in the frame 95, and is positioned in a predetermined manner. , Deposit. Then, recording / reproduction is performed at this position.

Also, the eject button 98 is for the disc cartridge 102.
In the inserted state, as shown in FIG. 12, it does not protrude from the front end of the decorative plate 99 arranged on the frame 95, but when the disk cartridge 102 is in the magnetic recording / reproducible position, the first
As shown in FIG. 3, the decorative plate 99 has a structure protruding from the front end. Next, the ejection operation of the disc cartridge 102 will be described. In FIG. 13, when the eject button 98 fixed to the cam body 86 and protruding from the front end of the decorative plate 99 is pressed in the direction of arrow 91, the elevating cam portion 86b of the cam body 86 comes into contact with the rolling roller 81b of the holding body 81. The holding body 81 holding the disk cartridge 102 by the elevating cam portion 86b slides upward in the direction of arrow 101 according to the holding body guide groove 95a of the frame body 95. Then, as shown in FIG. 11, the cam body stopper 86a of the cam body 86 is re-engaged with the locking portion 87b of the position detecting body 87, and the cam body 86 is locked for returning in the direction of arrow 90. The position detector 87 is rotated in the direction of arrow 93 by the urging force of the position detector spring 88, and the rotation causes the disc cartridge 102 to rotate.
Is discharged in the direction of arrow 90. At this time, the shutter lever 82 is also brought into the state shown in FIGS. 10 and 12 by the shutter spring 103, and the discharging operation is completed.

The eject button 98 fixed to the cam body 86 is locked so as not to project from the decorative plate 99 as shown in FIG.

FIG. 14 is a schematic perspective view of a mounting portion provided for installation on the frame body of the above-described conventional magnetic recording device, and FIG. 15 is a schematic sectional view of FIG. 14 showing a state of installation on the main body. The plurality of mounting portions 103 provided on the frame body 95 are formed by female threads, and when installed on the mounting side body 104, they are deformed by the variation of Δx shown in FIG. It will be greatly deformed. As a result, the above-mentioned structure located inside the frame 95 is affected, and the reliability of the device is low. Further, as for the rotational force in the direction of the arrow 105 due to the screw tightening, the entire frame 95 is twisted and largely deformed, and there is a problem in that the rotational force is affected by strain.

[Problems to be solved by the invention]

As described above, in the conventional mounting structure for installation in the magnetic recording device, when mounting on the mounting side, the variation of the mounting side cannot be absorbed, and the frame body is deformed by tension and compression by tightening with the screw, and the frame body is There is a problem in that the accuracy of the standard device becomes poor, and the rotational force due to the screw tightening causes a force to twist the entire frame, resulting in poor accuracy of the device. Therefore, the present invention solves such a problem,
It is an object of the present invention to provide a magnetic recording device having a simple structure and having a mounting structure that absorbs the deformation due to the tension and compression force of screw tightening and the deformation due to the rotating force of screw tightening.

[Means for solving problems]

The magnetic recording apparatus of the present invention is 1) a magnetic recording apparatus having a plurality of installation mounting portions provided on a frame, wherein at least one of the installation mounting portions has elasticity with respect to tensile force and compression force. Comprised of plane direction elastic means having,
At least one of the other mounting portions for installation is constituted by a torsion direction elastic means having elasticity against a rotational force.

2) The plane direction elastic means is formed on one side surface of the frame body, and the torsion direction elastic means is formed on the other side surface of the frame body.

[Action]

According to the above configuration of the present invention, with a simple structure, it has a mounting structure that absorbs the deformation due to the tension and compression forces of screw tightening and the deformation due to the screw tightening rotational force, and the influence of strain on the device due to screw tightening By reducing the amount, accuracy and reliability can be improved.

〔Example〕

 An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a schematic plan view of the present invention, FIG. 2 is a schematic plan view of the present invention with the holder removed, FIGS. 3 and 4 are schematic side sectional views of the present invention, FIG. 5, and FIG. FIG. 7 is a schematic plan view of a shutter opening / closing mechanism and a position detecting mechanism in the present invention, FIG. 7 is a perspective view of a disk cartridge, and FIG. 8 is a schematic perspective view of a mounting portion provided on a frame body of the magnetic recording apparatus of the present invention for installation. 8 and 9 are schematic sectional views of FIG.

In FIGS. 1 to 4, a carriage 3 having a head for performing magnetic recording and reproduction by sandwiching and moving a medium contained in a disk cartridge 17 is equipped with a second carriage 4 having at least one head, and a drive motor. It is mounted on the frame body 1 so as to be slidable in the directions of the arrows 13 and 14 by two driving means. On the other hand, the holder 6 for holding the disc cartridge 17 having the shutter 17a shown in FIG. 7 has a plurality of protrusions 6a, 6b which are interlocking means with the cam body 7 integrally formed on the side surface. In FIG. 3, the protrusion 6a abuts the elevating cam portion 7b of the cam body 7 to lock the holding body 6. Still another protrusion 6b is in contact with the holder guide groove 1b of the frame 1. The cam body 7 has a structure capable of sliding in the directions of arrows 13 and 14. When the cam body 7 slides in the directions indicated by arrows 13 and 14 in this state, the holder 6 can slide in the directions indicated by arrows 15 and 16. Further, the cam body 7 has a guide portion 1d which is a means for restricting the position for supporting the disk cartridge 17 integrally formed with the frame body 1 at a recordable / reproducible position and a guide receiving portion 1c which is a supporting means, and has an arrow 13, The structure is held so as to be slidable in 14 directions and held by the guide portion 1d and the guide receiving portion 1c so as not to slip out in the direction of arrow 16. Further, a cam body stopper 7a provided on a part of the cam body 7 is engaged with a locking portion 8c of the position detecting body 8 for detecting the position of the disc cartridge 17 and opening / closing the shutter 17a shown in FIGS. However, the cam body 7 is prevented from sliding in the direction of arrow 13. On the other hand, the cam body spring 12 biases the cam body 7 in the direction of arrow 13. The position detection body 8 contacts the shutter 17a of the disk cartridge 17 and opens and closes the shutter 17a.
And a locking portion 8c for locking the cam body 7, and is pivotally supported by the position detecting portion 1a which is a rotation supporting means integrally formed on the frame body 1,
The structure is rotatable in the directions of arrows 19 and 20, and is biased in the direction of arrow 20 by the position detection spring 9. The eject button 10 is fixed to a part of the cam body 7, and is arranged in parallel with the decorative plate 5 arranged on the frame body 1 as shown in FIGS. 3 and 4. As shown in FIGS. 8 and 9, the frame 1 is integrally provided with a mounting portion 1e having elasticity in the direction of arrow 22 and a mounting portion 1f having elasticity in the direction of arrow 23, which is connected to the frame body 1 and the elastic arm portion 1g. Formed by
It has a structure that can be installed on the main body 21 on the mounting side.

The operation of the structure of the present invention having the above structure will be described. First, when mounting the disc cartridge 17 in the mounting standby state shown in FIG. 3, when the disc cartridge 17 is inserted in the direction of the arrow 14 from the insertion port 5a of the decorative plate 5, the position detector 8 of FIG. The contact portion 8 with the provided disk cartridge 17 comes into contact, and when further advanced, the contact portion 8a begins to open in the direction of arrow 11 where it comes into contact with the shutter 17a. On the other hand, the engaging portion 8c of the position detecting body 8 that engages with the cam body stopper 7a of the cam body 7 and engages with the cam body 7 also slides in contact with the cam body stopper 7a and slides in the direction of arrow 19 to detect the position detecting body spring 9 Rotate against the urging force of. The position detecting body 8 has a function of detecting the mounting / inserting position of the disk cartridge 17, and in the mounting / inserting position detecting state, the cam body stopper 7a engages with the locking portion 8c as shown in FIG. Is released, the cam body 7 slides in the direction of arrow 13. At this time, in the position detecting body 8, the contact portion 8a completely opens the shutter 17a, while the urging force of the position detecting spring 9 in the direction of the arrow 20 is caused by the cam body stopper 7a of the cam body 7 and the position detecting body. It is blocked by the detector stopper portion 8b of No. 8.

On the other hand, in FIG. 3, before the cam body 7 slides in the direction of the arrow 13, the protrusion 6a of the holding body 6 is in contact with the elevating cam portion 7b of the cam body 7 and is engaged at the insertion / removal position of the disc cartridge 17. Although stopped, when the cam body 7 starts sliding in the direction of the arrow 13 as described above, the protrusion 6a of the holding body 6 that was in contact with the elevating cam portion 7b of the cam body 7 also follows the elevating cam portion 7b. At this time, the other protruding portion 6b of the holding body 6 contacts the holding body guide groove 1b provided in the frame body 1 as described above, and the cam body 7 moves in the arrow direction.
Sliding in 13 directions, but sliding in 15 directions. Then, the disc cartridge 17 inserted in the holding body is
As shown in the figure, the disc cartridge 17 formed integrally with the frame 1 is supported by the guide portion 1d and the guide receiving portion 1c which support the disc cartridge 17 at the recordable / reproducible position, while the holding body 6 has the protrusion 6a for pressing the cam body 7. The portion 7c is held by the cam body spring 12 via the disc cartridge 17 by the urging force of the cam body spring 12, and is prevented from moving in the arrow 16 direction. At this time, the head of the carriage 3 and at least one head of the second carriage 4 come into contact with the medium housed in the disk cartridge 17, and are driven by the drive means of the drive motor 2 shown in FIGS. The recording / reproduction is performed by sliding to. Meanwhile, the eject button 10
Is located inside the front end of the decorative plate 5 in the mounting standby state of FIG. Further, as shown in FIG. 4, even when the disc cartridge 17 is in the recordable / reproducible position, the structure is such that it coincides with or is located inside the front end of the decorative plate 5. Then the disc cartridge 17
The discharge of will be described. In FIG. 4, when the eject button 10 which is located at or inside the front end of the decorative plate 5 fixed to the cam body 7 is pressed in the arrow 14 direction,
The raising / lowering cam portion 7b of the cam body 7 abuts the protrusion 6a of the holding body 6, and the holding body 6 holding the disc cartridge 17 by the raising / lowering cam portion 7b moves in the direction of arrow 16 to the holding body guide groove 1b of the frame body 1. Follow the sliding movement. On the other hand, as shown in FIG. 6, the cam body stopper 7a of the cam body 7 is slidably in contact with the detection body stopper portion 8b of the position detection body 8 axially supported by the position detection portion 1a formed integrally with the frame body 1 in the arrow 14 direction. Slide on. Then, the contact between the cam stopper 7a and the detector stopper portion 8b is released, and the position detector 8 is rotated in the arrow 20 direction by the biasing force of the position detection spring 9 in the arrow 20 direction. 17 is ejected in the direction of arrow 13, the cam body stopper 7a is again engaged with the engaging portion 8c of the cam body 7 as shown in FIG. 5, and the cam body 7 is prevented from sliding in the direction of arrow 13. As a result, as shown in FIG. 3, the holding body 6 is again locked at the insertion / removal position of the disc cartridge 17 to complete a series of operations, and the eject button 10 fixed to the cam body 7 is
As shown in FIGS. 2, 2 and 3, the decorative plate 5 is located inside the front end thereof.

FIG. 8 is a schematic perspective view of a mounting portion provided on the frame of the magnetic recording apparatus of the present invention for installation, and FIG. 9 is a schematic sectional view of FIG. An arrow 22 integrally formed on one side of the frame 1
The mounting portion 1e having elasticity in the plane direction according to the tensile force and the compressive force in the direction, and the arrow 23 formed integrally with the other side surface of the frame body 1
The mounting portion 1f having elasticity in the twisting direction of the rotational force in the direction is configured. In the installation on the main body 21 shown in FIG. 9, the mounting side 1e having elasticity in the plane direction of the arrow 22 is deformed into the shape of 1e ′ as a result of the variation of Δx on the mounting side. With respect to the rotational force due to screw tightening, the mounting portion 1f, which has elasticity in the twisting direction of arrow 23, is deformed with the elastic arm portion 1g as a fulcrum to reduce the influence of strain, and the rotational force for media tightening is elastic. Part 1g absorbs and eliminates the influence of distortion of the frame 1.

As in the above-described embodiments, the conventional mounting structure for installing the magnetic recording device cannot absorb the variation at the time of mounting and the deformation of the rotational force due to the screw tightening, but it is integrated with the frame body 1 of the present invention. By providing the mounting portion 1e having elasticity in the plane direction and the mounting portion 1f having elasticity in the twisting direction, the entire device is not deformed with a simple structure.

Regarding the deformation of the elastic arm portion 1g due to the above-mentioned screw tightening, the torque of the screw tightening is a mounting part that has elasticity in the torsion direction
It is a result of acting as a torsion moment on the entire 1f, and regarding the arrangement of the elastic arm portion 1g, if the elastic arm portion 1g is formed within the range between the plurality of attachment portions 1e having elasticity in the plane direction, which is formed on one side surface, Regarding the torsion of the frame body 1, the mounting portion 1e having elasticity in the plane direction is rigid, and the elastic arm portion 1g is twisted and deformed. If it is configured in the middle, it is possible to further reduce the twisting deformation of the frame body 1. Further, although FIG. 8 has a structure having two mounting portions on one side surface and two mounting portions on the other side surface, even if each mounting portion has one or three or more mounting portions, an approximate action is achieved. Further, although FIG. 8 shows a structure in which different mounting structures are formed on different side surfaces, they may be structured on the same side surface.

〔The invention's effect〕

As described above, according to the present invention, at least one of the installation mounting portions of the magnetic recording device is configured by the plane direction elastic means having elasticity with respect to the tension force and the compression force of screw tightening,
At least one of them is composed of the torsion direction elastic means having elasticity with respect to the rotational force of screw tightening, so that the variation at the time of installation at the time of mounting is elastic with respect to the tensile force and the compression force. Is absorbed by the mounting portion configured by and the rotational force generated at the time of screw tightening is absorbed by the mounting portion configured by the twist direction elastic means having elasticity with respect to the rotational force of screw tightening, so that a simple structure can be achieved. It is possible to reduce the effect of strain due to the screw tightening, improve accuracy, and provide a highly reliable magnetic recording device, and the present invention has a large practical effect.

[Brief description of drawings]

FIG. 1 is a schematic plan view of a magnetic recording apparatus of the present invention. FIG. 2 is a schematic plan view of the magnetic recording apparatus of the present invention, excluding the holder. FIG. 3 is a schematic sectional view of the magnetic recording apparatus of the present invention in a standby state. FIG. 4 is a schematic cross-sectional view of a mounted state of the magnetic recording apparatus of the present invention. 5 and 6 are schematic plan views of the shutter opening / closing mechanism and the position detecting mechanism of the magnetic recording apparatus of the present invention. FIG. 7 is a perspective view of a disc cartridge. FIG. 8 is a schematic perspective view of a mounting portion for installation provided on the frame body of the magnetic recording apparatus of the present invention. FIG. 9 is a schematic sectional view of a mounting portion for installation provided on the frame body of the magnetic recording apparatus of the present invention. 10 and 11 are schematic plan views of a shutter opening / closing mechanism and a position detecting mechanism in a conventional magnetic recording device. FIG. 12 is a schematic sectional view showing a standby state of a conventional magnetic recording device. FIG. 13 is a schematic cross-sectional view showing a mounted state of a conventional magnetic recording device. FIG. 14 is a schematic perspective view of a mounting portion provided for installation on a frame of a conventional magnetic recording device. FIG. 15 is a schematic cross-sectional view of a mounting portion provided on a frame of a conventional magnetic recording device for installation. 1 ... Frame 1e ... Mounting part that has elasticity in the plane direction 1f ... Mounting part that has elasticity in the twisting direction 5 ... decorative plate 6 ... holding body 7 ... cam body 8 ... position detection body 10 ... … Eject button 17 …… Disk cartridge 21 …… Main body

Claims (2)

[Claims] 1. A magnetic recording device having a plurality of mounting attachments provided on a frame, wherein at least one of the mounting attachments has a planar elastic means having elasticity with respect to a tensile force and a compressive force. Consists of,
At least one of the other installation mounting portions is constituted by a torsion direction elastic means having elasticity with respect to a rotational force, and the magnetic recording apparatus. 2. A magnetic recording apparatus characterized in that the plane direction elastic means is formed on one side surface of the frame body, and the torsion direction elastic means is formed on the other side surface of the frame body.