JP2005323427A - Motor and disc recorder and/or reproducer - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To eliminate the need for fixing a motor to a chassis using a motor supporting plate, and to enhance precision in the fixing position of the motor to the chassis. <P>SOLUTION: A chassis 103 for mounting a motor 151 is formed with a hole 141 for forming a stator substrate and a synthetic resin stator substrate 161 is outsert-molded at the hole 141. A tubular bearing 161a is formed integrally when the stator substrate 161 is molded. A core coil 165 and a rotor assembly 167 are assembled by utilizing the tubular bearing 161a. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a motor used by being mounted on a chassis, and a disk recording and / or reproducing apparatus equipped with the motor.

A motor mounted on the chassis and used, for example, a spindle motor or a sled motor of a disk recording and / or reproducing apparatus, is assembled as a part independent of the chassis to which the motor is mounted and then attached to the chassis via a motor support plate. In some cases, the stator substrate of the motor also serves as the motor support plate. (For example, see Patent Document 1)
JP-A-11-273276

  By the way, a motor that is attached to the chassis via the motor support plate as described above (1) requires man-hours and equipment for attaching the motor to the chassis, which causes an increase in cost. (2) When mounting the motor to the chassis, variations in mounting position are likely to occur, and it is difficult to improve the mounting position accuracy of the motor. And so on.

  An object of the present invention is to eliminate the need to attach a motor to a chassis with a motor support plate.

  Another object of the present invention is to improve the mounting position accuracy of the motor.

  The present invention is a motor mounted on a chassis, and a stator support plate is resin-molded integrally with the chassis by outsert molding. In particular, a hole for forming a stator substrate was provided in the chassis, and a stator support plate was formed in the hole by outsert molding. In addition, a cylindrical bearing portion is integrally formed on the stator support plate. And the bearing which rotatably supports the rotating shaft of a rotor was attached to the inner periphery of the said cylindrical bearing part, and the iron core coil was attached to the outer periphery of the said cylindrical bearing part.

  Further, in the disk recording and / or reproducing apparatus, the stator support plate of the spindle motor and / or the thread motor for rotating the disk-shaped recording medium is resin-molded integrally with the chassis by outsert molding.

  Because the stator support plate of the motor is resin-molded integrally with the chassis by outsert molding, there is no need to attach it to the chassis via the stator support plate as in the conventional motor, and the number of steps for mounting the motor to the chassis is reduced. The mounting position accuracy can be improved. In particular, by providing a hole for forming a stator substrate in the chassis and forming a stator support plate in the hole, the thickness of the stator support plate can be absorbed by the thickness of the chassis to reduce the height of the motor. it can.

  A bearing that rotatably supports the rotating shaft of the rotor is attached to the inner periphery of the cylindrical bearing portion, and an iron core coil, a wiring board, or the like is attached to the outer periphery of the cylindrical bearing portion. Assembly and mounting to the chassis can be done in parallel at the same time.

  In the disk recording and / or reproducing apparatus, since the stator support plate of the spindle motor and / or thread motor for rotating the disk-shaped recording medium is resin-molded integrally with the chassis by outsert molding, assembly of the disk recording and / or reproducing apparatus Becomes easier.

Hereinafter, the present invention includes (1) a schematic configuration of a disk recording and / or reproducing device, (2) a configuration of recording and / or reproducing means (spindle motor, sled motor, optical pickup), (3) a configuration of a recording medium cartridge, (4) Configuration of cartridge holder, (5) Configuration of chassis, (6) Configuration of eject lever, (7) Configuration of urging means and eject lever locking means, (8) Configuration of unlocking means, (9 ) Other configurations will be described in this order.
(1) Schematic configuration of the entire device,
FIG. 1 is a perspective view of a disk recording and / or reproducing apparatus according to the present invention, FIG. 2 is a plan view seen from the back side, and FIG. 3 is an exploded perspective view. The disc recording and / or reproducing apparatus 101 includes a cartridge holder 102 for inserting and holding the disc cartridge 1, and a chassis 103 that supports the cartridge holder 102 so as to be movable between a cartridge insertion / extraction position and a recording / reproducing position, Recording and / or reproducing means 104 provided on the chassis 103 for recording and / or reproducing the disk cartridge 1, rotatable in the insertion / extraction direction of the disk cartridge 1 with respect to the chassis 103, and mounted on the chassis 103 The eject lever 105 is provided so as to be movable in the contact / separation direction and is rotated by being pushed by the disc cartridge 1 inserted into the cartridge holder 102. The eject lever 105 has a rotational force in the disc cartridge ejection direction and the eject lever 105. Above shear An urging means 106 that imparts an urging force in a direction approaching 103, an eject lever locking means 107 that locks the eject lever 105 rotated by the insertion of the disk cartridge 1 to the chassis 103, And an unlocking means for releasing the locking of the eject lever 105 by the eject lever locking means 107 when the cartridge holder 102 is rotated from the recording / reproducing position to the cartridge insertion / extraction position.
(2) Configuration of recording and / or reproducing means (spindle motor, sled motor, optical pickup),
As shown in FIG. 3, the recording and / or reproducing means 104 records and / or reproduces information on the spindle motor 151 that rotates the disk-shaped recording medium 2 of the disk cartridge 1 and information on the disk-shaped recording medium 2. An optical pickup 152 to be performed and a thread motor 153 for driving the optical pickup 152 are provided.

  As shown in FIG. 18, the spindle motor 151 is outsert-molded into a spindle motor stator board forming hole (hereinafter referred to as a first stator board forming hole) 141 provided in the chassis 103. A synthetic resin stator substrate 161, a cylindrical bearing 161a integrally formed on the upper surface of the stator substrate 161, a bearing 162 attached to the inner periphery of the bearing 161a, and the cylindrical bearing The wiring board 164 placed on the stator substrate 161 with the 161a inserted into the central hole 163, the iron core coil 165 attached to the outer peripheral portion of the cylindrical bearing portion 161a, and the bearing 162 rotate. And a rotor 167 that is rotatably attached with the tip of the central shaft 166 inserted. A rotor magnet 168 that is paired with the iron core coil 165 is attached to the inner peripheral surface of the rotor assembly 167, and a disk table that magnetically chucks the hub 22 of the disk-shaped recording medium 2 by a chucking magnet 169 on the upper surface. 170 is attached.

  As shown in FIG. 3, the optical pickup 152 includes an objective lens driving device 171 and a moving table 172 that moves the objective lens driving device 171 in the radial direction of the disk-shaped recording medium 2 of the disk-shaped recording medium 2. I have.

  The moving table 172 includes a first bearing portion 173 and a second bearing portion 174. A lead screw 175 is attached to the first bearing portion 173. A guide portion 176 is attached to the second bearing portion 174.

  The lead screw 174 is rotatably supported by a pair of bearings 177 on the lower surface side of the chassis 103. The guide portion 176 is integrally formed with the chassis 103 by outsert molding.

  A worm gear 181 is attached to one end of the lead screw 175. As shown in FIG. 2, the worm gear 181 meshes with a third gear 183 that is rotatably attached to the lower surface of the chassis 103 by a shaft 182.

  The third gear 183 has a second gear 184 having a diameter larger than that of the third gear 183 and coaxial with the third gear 183 at the lower end. The second gear 184 is rotationally driven by a thread motor 153 via a first gear 185 described below.

  As shown in FIG. 19, the thread motor 153 is outsert-molded into a hole for forming a stator substrate for a thread motor (hereinafter referred to as a second stator substrate forming hole) 142 provided in the chassis 103. A synthetic resin stator substrate 191, a cylindrical bearing 191a integrally formed on the upper surface of the stator substrate 191, a bearing 192 attached to the inner periphery of the bearing 191a, and the cylindrical bearing The wiring board 194 placed on the stator substrate 191 with the 191a inserted into the central hole 193, the iron core coil 195 attached to the outer peripheral portion of the cylindrical bearing portion 191a, and the bearing 192 rotate. And a rotor assembly 197 that is rotatably mounted with the tip of the central shaft 196 inserted. A rotor magnet 198 that is paired with the iron core coil 195 is attached to the inner peripheral surface of the rotor assembly 197, and the first gear 185 is attached to the lower surface.

When the lead screw 175 is rotated by the thread motor 153 via the first gear 185, the second gear 184, the third gear 183, and the worm gear 181, the moving table 172 is moved to the guide portion 176. The objective lens driving device 171 is moved in the radial direction of the disk-shaped recording medium 2 of the disk-shaped recording medium 2 while moving in the pickup arrangement hole 143 while being guided by the above-mentioned.
(3) Disc cartridge configuration,
9 is a perspective view of the disk cartridge 1 as viewed from the upper half side, FIG. 10 is a perspective view of the disk cartridge 1 as viewed from the lower half side, and FIG. 11 is a recording and / or reproducing opening by sliding the shutter member. It is a perspective view of the open state.

  The disc cartridge 1 has a disc-shaped recording medium 2 and a recording in which the disc-shaped recording medium 2 is rotatably accommodated in a circular disc accommodating portion and a part of the disc-shaped recording medium 2 is exposed to the outside. And / or attached to the cartridge body 3 so as to be movable between a cartridge body 3 provided with a reproduction opening 34 and a position where the recording and / or reproduction opening 34 is closed and opened. When the shutter member 4 and the shutter member 4 are in a position to close the recording and / or reproducing opening 34, the shutter member 4 is engaged with the movement restricting portion 3 e provided in the cartridge body 3. A shutter movement restricting member 5 that restricts movement of the recording and / or reproducing opening 34 in the opening direction, and the shutter movement restricting member 5 is connected to the cart. A biasing member 6 biased in a direction to engage with a movement restricting portion 3e provided in the wedge main body 3 and a deformation preventing portion 7 for preventing the biasing member 6 from being deformed by an external force are provided. .

  The biasing member 6 is folded back so as to overlap the inside of the extension piece 6a via an extension piece 6a extended from one side of the shutter member 4 and a folding portion 6b provided at the tip of the extension piece 6a. And the elastic displacement piece 6c formed by this.

  The deformation preventing member 7 is disposed behind the urging member 6 and supports the urging member 6 from behind, thereby preventing the urging member 6 from being deformed by an external force.

  As shown in FIG. 12, in a state where the shutter member 4 closes the recording and / or reproducing opening 34, the urging member 6 is the tip of the elastic displacement piece 6c and the shutter. The pressed portion 57 provided on one end side of the movement restricting member 5 is pressed, and the shutter movement restricting member 5 is rotated clockwise about the mounting shaft 8, so that the other end side of the shutter movement restricting member 5 is rotated. The engaging portion 58 provided on the cartridge main body 3 is positioned at a position where it can engage with the movement restricting portion 3 a provided on the cartridge main body 3. In this state, when the shutter member 4 is moved in the direction to open the recording and / or reproducing opening 34, the engaging portion 58 provided on the other end side of the shutter movement restricting member 5 becomes the cartridge main body. 3 is engaged with a movement restricting portion 3e provided in the position 3, and the movement of the shutter member 4 is prevented. Then, when the disc cartridge 1 is inserted into a cartridge holder 102 described below, as shown in FIG. 13, the convex portion 117 of the shutter lock release member 116 made of a leaf spring provided on the side surface of the cartridge holder becomes the shutter member 4. The first movement guide piece 46 is introduced into a pressing operation opening 48 provided at the center of the first movement guide piece 46, and the pressed portion 57 of the shutter movement restricting member 5 is moved against the urging force of the elastic displacement piece 6c. When pressed, the shutter movement restricting member 5 rotates counterclockwise about the mounting shaft 8 to release the engaging portion 58 to a position where it cannot be engaged with the movement restricting portion 3e. The shutter member 4 is movable in the direction in which the recording and / or reproducing opening 43 is opened.

  Next, each part of the disk-shaped recording medium 2, the cartridge main body 3, the shutter member 4, the shutter movement restricting member 5, the urging member 6, and the deformation preventing member 7 will be described in detail.

  As shown in FIG. 9, the disc-shaped recording medium 2 is configured by attaching a chucking hub 22 to the center of an optical disc 21 on which game software or the like is recorded. The optical disk 21 has a small diameter of about 50 mm. The chucking hub 22 is formed of a magnetic metal such as stainless steel attracted by a magnet.

  The cartridge body 3 is formed by abutting the peripheral walls 31 a and 32 a of the upper and lower halves 31 and 32. As shown in FIG. 12, arc-shaped ribs 31b and 32b constituting a disk storage portion are provided inside the peripheral walls 31a and 32a.

  As shown in FIG. 11, the cartridge body 3 has an arcuate surface (semicircle) whose front surface 3a (a side surface on the insertion end side to a disk recording and / or reproducing device described later) has substantially the same radius of curvature as the optical disk 21. The left and right side surfaces 3b and 3c that are formed in a shape surface and are continuous with the front surface 3a are formed in flat surfaces parallel to each other, and the back surface 3d that faces the front surface 3a is the left and right side surfaces (hereinafter referred to as first and second side surfaces). (Referred to as a second side surface) 3b and 3c are formed on a curved surface which is continuously continuous.

  A driving opening 33 is provided at the center of the lower half 32 so that the hub 22 of the disc-shaped recording medium 2 faces the outside. Further, a recording and / or reproducing opening 34 is provided so that the information recording surface of the optical disk 21 of the disk-shaped recording medium 2 faces the outside from the vicinity of the driving opening 33 to the second side surface 3c. It has been.

  The hub 22 of the disc-shaped recording medium 2 is magnetically chucked on the disc table of the disc recording and / or reproducing apparatus through the driving opening 33. Further, information recording and / or reproduction is performed on the optical disc 21 of the disc-shaped recording medium 2 through the recording and / or reproducing opening 34 by an optical pickup of the disc recording and / or reproducing device.

  A concave step portion (hereinafter referred to as a first recess portion) 35 is provided from the outer surface 32b of the lower half 32 to the peripheral wall of the second side surface 3c. More specifically, the first recess 35 does not project the shutter member 4 described below from the outer surface 32b and the second side surface 3c of the lower half 32, and more specifically, the shutter member 4 is disposed on the outer surface 32b of the lower half 32 and It is for mounting in a state where it is flush with the outer surface of the peripheral wall on the second side surface 3c side, and restricts the movement range of the shutter member 4.

  The end of the first recess 35 on the drive opening 33 side is a second recess 36 that is deeper than the first recess 35. A bent portion 44 a provided at the tip of an opening opening / closing portion 44 of the shutter member 4 to be described below is inserted into the second recess portion 36. The second recess 36 is closed above the bent portion 4 a by a shutter guide plate 37 attached to the lower half 32. The shutter guide plate 37 prevents the bent portion 44a at the tip of the opening opening / closing portion 44 from rolling up. The shutter guide plate 37 is also attached to the lower half 32 so as to be flush with the outer surface of the lower half 32.

  As shown in FIG. 14, the upper half 31 includes a guide groove 38 extending in the moving direction of the shutter member 4 on the peripheral wall 31 a on the second side surface 3 c side. Further, the peripheral wall 32a on the side surface 3c side of the lower half 32 is removed, and an opening 39 for shutter member guide is formed between the peripheral wall 31a on the side surface 3b side of the upper half 31. Yes.

  Further, a shutter opening member introduction groove 40 that is continuous with the opening 39 for guiding the shutter member is formed from the second side surface 3c to the front surface 3a of the cartridge body 3, and the first side surface 3b of the cartridge body 3 is formed. Is provided with a function expansion groove 41. Further, as shown in FIG. 11, a pair of positioning holes 42 and 43 are provided on the outer surface of the lower half 32 on the front surface 3 a side.

  As shown in FIG. 14, the shutter member 4 includes a flat plate-shaped opening / closing portion 44 that opens and closes the recording / reproducing opening 34, and the opening / closing portion 44 is formed in a first recess of the lower half 32. An assembling portion 45 for assembling the cartridge main body 3 so as to be movable between a position where the recording and / or reproducing opening 34 is opened and a position where the recording and / or reproducing opening 34 is closed. I have.

  The assembly portion 45 includes a first moving guide piece 46 formed by bending one end side of the opening opening / closing portion 44 at a substantially right angle, and a distal end portion of the first moving guide piece 46 as the opening opening / closing portion. 44, and a second moving guide piece 47 formed by being bent substantially at a right angle in the same direction.

  The first movement guide piece 46 includes an opening 48 for pressing operation at which a pressed portion 57 of the shutter movement restricting member 5, which will be described in detail below, faces the central portion. On both sides of the first moving guide piece 46 in the shutter moving direction and at substantially the center in the thickness direction of the cartridge main body 3, the third and fourth moving guide pieces 47 are substantially parallel to the second moving guide piece 47. Movement guide pieces 49, 50 are provided, and retaining pieces 51a, 51b extending in a direction away from the opening opening / closing portion 44 are provided at the distal ends of the third and fourth movement guide pieces 49, 50. ing. A boss-like shaft portion 52 for rotatably mounting the shutter movement restricting member 5 is provided on the lower surface of the fourth movement guide piece 50. Further, a bent-up portion 44a is provided at the end portion of the opening opening / closing portion 44 on the side opposite to the assembly portion 45 to prevent the rolling-up. The shutter member 4 is formed by bending a metal plate punched into a predetermined shape.

  As shown in FIG. 16, the shutter member 4 has the first movement guide piece 46 overlapped with the shutter opening member introduction groove 40 on the side surface 3 b of the cartridge body 3, and the second movement guide piece 47. Is inserted into the guide groove 38 provided in the upper half 31, and the third and fourth movement guide pieces 49 and 50 are inserted into the cartridge body 3 from the opening 39 for the shutter member guide, A retaining piece 51 a provided at the tip of the third moving guide piece 49 is engaged with a groove 31 e provided on the bottom surface of the peripheral wall 31 a of the upper half 31, and the retaining piece provided at the tip of the fourth moving guide piece 50. The piece 51 b is slidably attached to the side surface 3 b of the cartridge body 3 by engaging the inner surface 32 f of the peripheral wall 31 a of the upper half 31.

  As shown in FIG. 10, when the shutter member 4 is slid to the front surface 3 a side of the cartridge body 3, the opening / closing portion 44 closes the recording / reproducing opening 34. Further, as shown in FIG. 11, when the shutter member 4 is slid to the back surface 3d side of the cartridge body 3, the recording and / or reproducing opening 34 is opened.

  As shown in FIGS. 14 and 15, the shutter movement restricting member 5 includes a flat plate-like main body portion 56 having a bearing hole 55 in the central portion, and a pressed portion 57 provided at one end portion of the main body portion 56. And an engaging portion 58 provided at the other end of the main body portion 56, and a protrusion 59 for preventing rotation at the end of the main body portion 56 on the pressed portion 57 side. The pressed portion 57 and the engaging portion 58 are formed by bending one end portion and the other end portion of the main body portion 56 in the same direction at a substantially right angle. The shutter movement restricting member 5 is formed by bending a metal plate punched into a predetermined shape.

  The shutter movement regulating member 5 is rotatably attached to the fourth movement guide piece 50 of the shutter member 4 by inserting the boss-shaped shaft portion 52 into the bearing hole 55. Then, when the shutter movement restricting member 5 is rotated until the rotation preventing convex portion 59 comes into contact with the inner surface of the first movement guide piece 46 of the shutter member 4, as shown in FIG. The pressed portion 56 faces a pressing operation opening 48 provided at the center of the first movement guide piece 46 of the shutter member 4 and, as shown in FIG. The movement restricting portion 3e provided in the main body 3 can be engaged with the shutter member 4 to prevent the movement of the shutter member 4.

As described above, the biasing member 6 is elastically displaced by the extension piece 6a extended from one side of the shutter member 4 and the folding portion 6b provided at the tip of the extension piece 6a. And a piece 6c. (See Figure 14)
The extension piece 6a is formed to be curved so as to enter the cartridge body 3 from the shutter member guide opening 39 when the shutter member 4 is assembled to the cartridge body 3. The elastic displacement piece 6c is folded back so as to be overlapped with the inner surface of the extension piece 6c, and a pressed portion 57 provided on one end side of the shutter movement restricting member 5 at the tip thereof. Is pressed so that the pressed portion 57 faces the opening 48 for pressing operation provided at the center of the first moving guide piece 46 of the shutter member 4. The extension piece 6a adjusts the length of the elastic displacement piece 6c to enable adjustment of the elasticity of the biasing member 6.

FIG. 17 shows another embodiment of the disk cartridge. In this embodiment, the disk cartridge 1A does not include the shutter member 4. The other configuration is substantially the same as the configuration of the disk cartridge 1 having the shutter member 4, and a duplicate description is omitted.
(4) Configuration of cartridge holder,
As shown in FIG. 3, the cartridge holder 102 has a substantially square top plate (top plate) 102a and left and right sides formed by bending the left and right sides of the top plate 102a downward at a substantially right angle. Side plates (hereinafter referred to as first and second side plates) 102b, 102c and the lower ends of the first and second side plates 102b, 102c are bent inward at substantially right angles. A pair of left and right cartridge support portions 102d and 102e that support the left and right side portions of the lower surface of the inserted disc cartridge 1, and a receiving surface portion 102f formed by bending the front edges of these cartridge support portions 102d and 102e downward. , 102g.

  The upper surface plate 102a, the first and second side plates 102b and 102c, the pair of left and right cartridge support portions 102d and 102e, and the like form an insertion slot 102k of the disk cartridge 1 and a storage portion continuous therewith. A bridge plate 102m is attached to a position near the insertion opening of the pair of left and right cartridge support portions 102d and 102e so as to straddle both. The bridge plate 102m reinforces the pair of cartridge support portions 102d and 102e so as not to be easily deformed, and prevents the disc cartridge 1 from jumping out between the pair of cartridge support portions 102d and 102e. It has a function.

  A turtle shell-shaped opening 111 is formed by punching at the center of the upper surface plate 102a. The opening 111 is for reducing the weight of the cartridge holder 102.

  A pair of left and right first and second leaf springs 112 and 113 are provided on the left and right sides of the opening 111. The first and second leaf springs 112 and 113 are bent so as to enter the storage portion, and press the upper surface of the disk cartridge 1 inserted into the storage portion to support the disk cartridge 1 with the cartridge. It presses against the parts 102d and 102e. A pair of left and right third and fourth leaf springs 114 and 115 are provided on the front end side of the opening 111. The third and fourth leaf springs 114 and 115 are bent toward the upper side of the upper surface plate 102a, so that the cartridge holder 102 can be easily inserted and assembled into a cartridge holder storage portion or the like of an electronic device. Makes it possible to do. The first to fourth leaf springs 112 to 115 are formed by punching a part of the upper surface plate 102 a of the disk cartridge 1.

  Between the second leaf spring 113 and the second side plate 102 c of the cartridge holder 102, and the arc-shaped front surface 3 a of the disc cartridge 1 inserted into the cartridge holder 102 and the second side of the cartridge holder 102. The concave locking release means mounting portion 102h is formed in a space portion between the side plate 102c, so-called dead space. As shown in FIG. 5, two cylindrical boss-like protrusions 102n are formed on the second side face plate 102c of the cartridge holder 102 facing the locking release means attaching portion 102h. The lock release means 108 inserts the boss-like protrusion 102n into the protrusion fitting hole 108g provided in the attachment portion 108a, and superimposes the overlapping portion 108b on the upper surface of the lock release means attachment portion 102h. The elastic piece portion 108c and the eject lever operating portion 108d are inserted into the cartridge holder 102, and the tip end portion of the boss-like projection 102m is expanded, whereby the disc cartridge 1 inserted into the cartridge holder 102 and the cartridge The main body 3 is attached to a substantially triangular dead space formed between the arc-shaped front surface 3a and the side surface 3c.

  Further, as shown in FIG. 3, a shutter lock release member 116 for releasing the lock of the shutter member 4 by the shutter movement restricting member 5 of the disk cartridge 1 is attached to the second side plate 102c of the cartridge holder 102. Yes.

  The shutter lock release member 116 is formed of a leaf spring material, and is elongated by a boss-like protrusion 102n provided on the second side plate 102c of the cartridge holder 102 in the same manner as the attachment portion 108a of the lock release means 108. One end side in the vertical direction is fixed to the second side plate 102 c of the cartridge holder 102. The unlocking member 116 extends to the vicinity of the cartridge insertion opening along the second side plate 102c of the cartridge holder 102, and a convex portion 117 having a substantially V-shape in plan view is provided at the tip thereof. ing. The protrusion 117 enters the cartridge holder 102 through a notch window (opening) 118 provided in the second side plate 102 c of the cartridge holder 102.

  A pair of positioning holes 119 are formed in the pair of left and right cartridge support portions 102d and 102e of the cartridge holder 102, and positioning pins 120 provided on the chassis 103 described below are provided in the pair of positioning holes 119. Inserted.

In addition, the cartridge holder 102 is rotatably attached to a chassis 103 described below at the end of the cartridge holder 102 opposite to the cartridge insertion opening of the first and second side plates 102b and 102c. Bearing holes 121 and 122 are provided.
(5) Chassis configuration,
The chassis 103 is formed in a substantially square shape by a metal plate. Damper attachment portions 131 are provided at the four corners of the chassis 103, and rubber dampers 132 are attached to the damper attachment portions 131. Left and right side walls 133, 134 positioned outside the first and second side plates 102 b, 102 c of the cartridge holder 102 are provided on the left and right sides of the chassis 103. A pair of bearing portions 135 and 136 for rotatably mounting the cartridge holder 102 are provided on one end side of 134, and bearing holes 121 and 122 of the cartridge holder 102 are formed in the bearing portions 135 and 136. The cartridge holder 102 is supported so as to be rotatable between the cartridge insertion / extraction position and the recording / reproducing position by overlapping and connecting with a shaft 137.

The chassis 103 includes positioning pins 120 that enter the positioning holes 119 provided in the pair of left and right cartridge support portions 102d and 102e of the cartridge holder 102 when the cartridge holder 102 is moved to the recording / reproducing position. .
(6) Ejector lever configuration,
When the disc cartridge 1 is inserted, the eject lever 105 is pushed by the front surface 3a of the cartridge body 3 and rotates against the urging force of the urging means 106 described below, and the eject lever locking means described later. 107 is locked so that it cannot be rotated back and after recording and / or reproduction is finished, the locking by the eject lever locking means 107 is released by the locking releasing means 108 described above, and the biasing means 106 The disk cartridge 1 is ejected from the cartridge holder 102 by rotating back by the urging force.

  As shown in FIG. 3, the eject lever 105 is provided with a substantially V-shaped flat plate-shaped main portion 105a that overlaps the upper surface of the chassis 103, and an arm portion 105b provided at one end of the flat plate-shaped main portion 105a. The pressed portion 105c pressed by the front surface 3a of the cartridge body 3, the bearing hole 105d provided on the other end side of the flat plate-like main portion 105a, and the eject lever operating portion 108d of the locking release means 108. An operated portion 105e to be unlocked.

  The eject lever 105 is rotatably mounted on the chassis 103 by a shaft 105f, and the center portion of the front surface 3a of the cartridge body 3 of the disc cartridge 1 inserted into the cartridge holder 102 is pressed. It comes into contact with the portion 105c. The eject lever 105 is mounted on the chassis 103 so that the flat plate main portion 105a can be lifted to a position where the locking by the eject lever locking means 107 can be released by the shaft 105f. Yes.

The eject lever 105 is configured as described above, and as shown in FIG. 20, the cartridge holder is in the cartridge insertion / extraction position (the cartridge holder 102 is inclined at a predetermined inclination angle θ with respect to the chassis 103). When the disk cartridge 1 is inserted into 102, as shown in FIG. 21, the pressed portion 105c is pushed on the front surface 3a of the cartridge body 3 and rotates against the urging force of the urging means 106 described below. When the disk cartridge 1 is completely stored in the cartridge holder 102, as shown in FIG. 22, an eject lever locking means 107 described below is engaged with the outer surface 105j of the pressed portion 105e. When the cartridge holder 102 is rotated to the recording / reproducing position when the cartridge holder 102 is locked so that it cannot rotate and return. Also maintains impossible rotated back to the cartridge holder 102. When the cartridge holder 102 is rotated from the recording / reproducing position to the cartridge insertion / removal position after the recording and / or reproduction is finished, as shown in FIG. The locking of the eject lever 105 is released. Accordingly, the eject lever 105 is rotated back by the urging force of the urging means 106 to eject the disc cartridge 1 from the cartridge holder 102.
(7) Configuration of urging means and eject lever locking means,
The urging means 106 applies a turning force in the disc cartridge ejection direction to the eject lever 105 and an urging force that pulls the eject lever 105 in a direction approaching the chassis 103.

  As shown in FIGS. 6 to 8, a coil spring is used for the urging means 106 and is arranged on the lower surface side of the chassis 103, and one end side is provided on the chassis 103 with a first spring locking portion. The other end side is locked to a second spring locking portion 202 provided on the eject lever 105. The second spring locking portion 202 protrudes from the notch hole portion 203 provided in the chassis 103 to the lower surface side of the chassis 103.

  When the eject lever locking means 107 rotates the eject lever 105 to a position where it abuts against the first stopper projection 105g against the biasing means 106, the ejector lever 105 has a flat main portion 105a. The eject lever 105 is engaged with the outer side surface 105j so that it cannot return and rotate.

The eject lever locking means 107 is formed by providing a boss-like convex portion on the upper surface of the chassis 103. The eject lever locking means 107 is disengaged from the outer surface 105j when the flat plate-like main portion 105a of the eject lever 105 is lifted from the chassis 103 against the urging force of the urging means 106. It is like that. The eject lever 105, which is disengaged from the eject lever locking means 107, rotates with the flat plate-like main portion 105 a riding on the eject lever locking means 107 and ejects the disc cartridge 1 from the cartridge holder 102. . The eject lever locking means 107 causes the outer surface 105j of the flat plate main portion 105a of the eject lever 105 to float from the chassis 103 against the biasing force of the biasing means 106. The locking release means 108.
(8) Configuration of locking release means,
The locking release means 108 is formed separately from the cartridge holder 102 by a leaf spring material and is attached to the cartridge holder 102.

  As shown in FIGS. 1, 4, and 5, the unlocking means 108 includes an attaching portion (fastening portion) 108a attached and fixed (fastened) to the side surface of the cartridge holder 102, and the attaching portion 108a. An overlapping portion 108b that is continuous with the upper surface 102a of the cartridge holder 102 formed by recessing the upper surface 102a of the cartridge holder 102 and is superimposed on the upper surface of the locking release means mounting portion 102h. An elastic piece portion 108c that continuously and continuously bends in an acute angle θ1 (approximately 80 °) and enters the cartridge holder 102 through a notch window portion 102i provided on the upper surface 102a of the cartridge holder 102 and extends toward the chassis 103. An eject lever operating portion 108d that is continuous with the elastic piece 108c being bent at an obtuse angle θ2 (approximately 160 °). Eteiru.

  The eject lever operating portion 108d is pressed by the side surface 105m of the operated portion 105e of the eject lever 105, which will be described in detail later, and the inclined surface portion 108e that bends the elastic piece portion 108c, and the side surface 105m of the operated portion 105e. An engaging portion 108f that engages with the lower surface 105n of the operated portion 105e when the pressing of the inclined surface portion 108e is released and the elastic piece portion 108c moves back is provided.

  As shown in FIG. 5, the elastic piece portion 186c is pressed against an elastic piece positioning portion 102j provided on the lower surface of the locking release means mounting portion 102h and bent so as to be substantially at a right angle so that a so-called preload is applied. And is positioned at a predetermined position. The locking release means 108 is formed by bending a spring plate material punched into a predetermined shape.

  As shown in FIG. 6, the eject lever operating portion 108d moves on the side surface 105m of the operated portion 105e of the eject lever 105, which will be described in detail later, in the process of moving the cartridge holder 102 from the cartridge insertion / extraction position to the recording / reproducing position. The inclined surface portion 108e is pressed and moves in the escape direction. When the cartridge holder 102 moves to the cartridge recording / reproducing position, as shown in FIG. 7, the pressing of the inclined surface portion 108e by the side surface 105m of the operated portion 105e is released, and the elastic piece portion 108c moves back, that is, is elastic. Returning, the engaging portion 108f engages with the lower surface 105n of the operated portion 105e.

  When the cartridge holder 102 is moved from the cartridge insertion / removal position to the recording / reproducing position, the lower surface 105n of the operated portion 105e of the eject lever 105 is lifted as shown in FIG. The locking of the eject lever 105 is released, and the eject lever 105 is rotated by the urging force of the urging means 106 to push the disc cartridge 1 out of the cartridge holder 102.

The unlocking means 108 is a substantially triangular dead space composed of an arc-shaped front surface 3a of the cartridge main body 3 of the disk cartridge 1 inserted into the cartridge holder 102, one side surface of the cartridge holder 102, and the front surface. It is arranged in the play space as. The cartridge holder 102 is rotatably attached to the chassis 103.
(9) Other configurations,
23 to 25 show an electronic device 301 such as a game machine equipped with the disk recording and / or reproducing apparatus 101 of the present invention. The electronic device 301 is formed in a flat horizontally long shape, and as shown in FIG. 23, a display portion 303 such as a liquid crystal is disposed at the center of the outer casing 302 of the electronic device 301 on the front surface 302a side. A plurality of control keys 304 are arranged on both sides. Further, as shown in FIG. 24, a lid 305 that can be opened and closed is provided at the center of the rear side 302b of the outer casing 302 of the electronic device 301. As shown in FIG. 25, the cartridge holder 102 of the disk recording and / or reproducing apparatus 101 is attached to the lid 305, and the chassis 103 of the disk recording and / or reproducing apparatus 101 is attached to the outer casing 302 side. When the lid 305 is opened, the cartridge holder 102 is also rotated together and moved to the cartridge insertion / removal position.

The perspective view of a disk recording and / or reproducing | regenerating apparatus. The perspective view which looked at the disc recording and / or reproducing | regenerating apparatus from the back side. The disassembled perspective view of a disc recording and / or reproducing device. The perspective view of a latch release means. Sectional drawing of the state which attached the latch release means. A is a side view showing a state where the side surface of the operated portion of the eject lever is in contact with the inclined surface portion of the locking release means, B is the front view, and C is the perspective view. A is a side view showing a state in which an elastic piece is elastically restored and an engaging portion is engaged with a lower surface of an operated portion of an eject lever, B is a front view, and C is a perspective view. A is a side view showing a state where the lower surface of the operated portion of the eject lever is lifted by the engaging portion, and the eject lever is unlocked by the eject lever locking means, B is the front view, and C is the perspective view. . The perspective view of a disk cartridge. (Shutter closed). The perspective view which looked at the disk cartridge from the back side. (Shutter closed). The perspective view which looked at the disk cartridge from the back side. (Shutter open state). The top view of the state which has locked the shutter. The top view of the state which canceled the lock | rock of the shutter. The exploded perspective view of the state before attaching a shutter. The perspective view of the state which attached the shutter movement control member to the shutter. Sectional drawing of the attachment state of a shutter. The perspective view of the disc cartridge which does not have a shutter. The exploded sectional view of a spindle motor. The exploded sectional view of a thread motor. The side view of the state which set the cartridge holder to the cartridge insertion / extraction position. The top view which shows the state before an eject lever is pushed. The top view which shows the state after the eject lever was pushed. The perspective view of an electronic device. The perspective view which looked at the electronic device from the back side. The perspective view of the state which opened the cover part.

Explanation of symbols

DESCRIPTION OF SYMBOLS 101 ... Disc recording and / or reproducing | regenerating apparatus, 102 ... Cartridge holder, 103 ... Chassis, 104 ... Recording and / or reproducing means, 105 ... Eject lever, 106 ... Energizing means, 107 ... Eject lever locking means, 108 ... Engagement Stop releasing means, 1141, 142... Stator substrate forming hole, 151... Spindle motor, 152. Optical pickup, 153... Thread motor, 161... Stator substrate, 161 a. Assy.

Claims (6)

  A motor mounted on a chassis, wherein a stator substrate is resin-molded integrally with the chassis by outsert molding.   The motor according to claim 1, wherein the stator substrate is formed in a hole for forming a stator substrate provided in the chassis in the chassis.   The motor according to claim 1, wherein a cylindrical bearing portion is integrally formed on the stator substrate.   The inner periphery of the cylindrical bearing portion is attached with a bearing that rotatably supports a rotating shaft of a rotor, and an iron core coil is attached to the outer periphery of the cylindrical bearing portion. 3. The motor according to 3.   The disk recording and / or reproducing apparatus, wherein the motor is a spindle motor that rotates a disk-shaped recording medium and / or a thread motor that moves an optical pickup. A cartridge holder for inserting and holding a disc cartridge;
A chassis supporting the cartridge holder so as to be movable between a cartridge insertion / extraction position and a recording / reproducing position;
A recording and / or reproducing means mounted on the chassis for recording and / or reproducing the disk cartridge;
The recording and / or reproducing means includes a spindle motor that rotates a disk-shaped recording medium, and a thread motor that moves an optical pickup,
A disk recording and / or reproducing apparatus, wherein a spindle motor and / or a stator substrate of an optical pickup is resin-molded integrally with the chassis by outsert molding.

Images