JP4317053B2 - Recording medium mounting device - Google Patents

Description

  The present invention relates to a recording medium mounting apparatus loaded with a recording medium having a connector such as a removable hard disk, and more particularly to a recording medium mounting apparatus having an autoloading mechanism.

  In recent years, as broadband networks are rapidly spreading, high-performance PCs are becoming cheaper, digital still cameras and digital video cameras are becoming more popular in the home, and broadcasts are being digitized. Digitization of information is progressing. Moreover, in terms of devices that handle information, such as PCs that can record TV and TVs and telephones that can be connected to the Internet, they are entering a new stage beyond conventional categories such as information devices and home appliances.

  Currently, in the field of AV equipment and the like, 3.5 type fixed hard disk drives are used as recording media for recording a large amount of information, but such fixed hard disk drives can cope with a rapidly increasing capacity year after year. It's in a situation that can't be done.

  On the other hand, recent high-density technologies have developed 2.5-inch and 1.8-inch removable hard disk drives that can store large amounts of data.

  In such a removable hard disk, a drive mechanism for rotating the disk and a magnetic head for recording / reproducing are built in the removable hard disk. Therefore, the transfer of signals and the like between a removable hard disk and an external device (recording medium mounting apparatus) loaded with the removable hard disk is generally performed exclusively via a connector.

Therefore, when the removable hard disk is mounted on the recording medium mounting apparatus, the removable hard disk side connector must be mounted on the recording medium mounting apparatus side connector, and when the removable hard disk is removed, the recording medium mounting apparatus side connector is mounted. It is necessary to detach the connector on the removable hard disk side, and such a technique is described in, for example, Patent Document 1 below.
JP-A-4-47554

  However, although Patent Document 1 includes an eject mechanism for inserting and removing a recording medium such as a removable hard disk, the user has to insert the recording medium manually. In this regard, in the technical field of disk-type recording media such as FD and CD-R, for example, various loading devices capable of automatically transporting the FD and the like have been developed.

  However, in a recording medium that requires connector connection, it is necessary to reliably connect the connector on the recording medium side and the connector on the equipment side with a larger mounting force, so that the loading device in the above technical field can be used as it is. There is a problem that you can not.

  In addition, it is necessary to enhance the insertion feel when the user inserts the recording medium and to ensure that the recording medium is inserted.

  The present invention is for solving the above-described conventional problems, and can automatically transport a recording medium having a connector, and between the recording medium and a recording medium mounting apparatus loaded with the recording medium. It is an object of the present invention to provide a recording medium mounting apparatus having an autoloading mechanism in which the connectors are securely connected to each other.

The present invention is a recording medium mounting apparatus to which a recording medium provided with an external connection portion is attached and detached,
An insertion portion into which the recording medium is inserted, a connector to which the external connection portion is connected, and the recording medium are conveyed in the insertion direction from the insertion portion to a mounting completion position at which the external connection portion and the connector are connected. With a loading mechanism,
The loading mechanism includes a cam member rotatably provided on a fixed portion, a motor that rotates the cam member, a sliding groove formed in the cam member, and the recording medium inserted from the insertion portion. A moving member to be held, and a sliding pin that is moved in the insertion direction by the sliding groove when the cam member is rotated in the first direction and moves the moving member in the insertion direction by the moving force. And
The sliding groove moves the moving member by a rotational force in the first direction of the cam member to move the recording medium from the insertion portion to a position where the external connection portion and the connector approach each other. A first cam groove portion, and a second cam groove portion that further moves the moving member by a rotational force in the first direction of the cam member to connect the external connection portion and the connector. And
Both the first cam groove and the second cam groove have a shape that gradually approaches the rotation center of the cam member as it goes in the rotation direction opposite to the first direction, and the second cam The radius of curvature at any position of the groove is smaller than the radius of curvature at any position of the first cam groove,
The distance by which the moving member is moved by each of the second groove portions is shorter than the distance by which the moving member is moved by the first cam groove portion .

  In the present invention, when the external connection portion of the recording medium is fitted to the connector on the apparatus side, a force larger than the force for moving the recording medium from the insertion portion to the back direction can be generated. It becomes possible to reliably perform the fitting between the portion and the connector.

Further , since the characteristic of the rotating cam member that the second cam groove on the inner peripheral side generates a larger torque than the first cam groove on the outer peripheral side can be used, the recording medium of the recording medium can be configured with a simple configuration. It is possible to reliably move and connect. In addition, since the first cam groove and the second cam groove are formed as continuous sliding grooves, it is possible to quickly shift from the recording medium conveying operation to the connecting operation between the connectors.

In the above, a slide member which moves into the sliding pin the insertion direction together, and a biasing member is provided for biasing said slide member to said insertion direction opposite to the direction,
Wherein the farthest end from the rotation center of the first of said cam member in the cam groove portion, the moving member is pushed in the insertion direction via the moving member in the inserted said recording medium to the insertion portion It is preferable that a wide portion that allows movement of the sliding pin when the sliding pin is pushed in the insertion direction is formed.

  In the above means, the biasing member functions as a damper, and the moving member can move in the insertion direction in accordance with the insertion force of the recording medium, so that the insertion feeling given to the user can be improved. it can.

In the above, the first switch member that detects whether or not the recording medium is held by the moving member, and the cam that determines whether or not the moving member has moved to the insertion standby position on the insertion portion side. third switch for detecting the second switch member that detects the amount of rotation of members, whether the recording medium inserted into the insertion portion is moved to the attachment completing position from the rotational amount of the cam member What is provided with the member is preferable.

  With this means, the control unit can grasp the operation status of the entire apparatus. Therefore, the occurrence of a failure can be prevented in advance.

In the present invention , when the external connection portion of the recording medium is fitted to the connector on the apparatus side, it is possible to generate a force larger than the force when moving the recording medium from the insertion portion to the back direction. It is possible to reliably connect the external connection portion and the connector.

  1 is an external perspective view showing a recording medium mounted on the recording medium mounting apparatus, FIG. 2 is an exploded perspective view showing an internal structure of the recording medium mounting apparatus according to the embodiment of the present invention, and FIG. 3 is a lower chassis and a cam. FIG. 4 is a cross-sectional view mainly taken along line A1-A1 of FIG.

First, a recording medium mounted on the recording medium mounting apparatus will be described.
A detachable recording medium 1 as shown in FIG. 1 is mounted on the recording medium mounting apparatus shown in FIG. The recording medium 1 has a thin cube-shaped cartridge 2, for example, a 1.8 inch type (small size) indicated by a solid line in FIG. 1 and a 2.5 inch type that is longer than that and indicated by a one-dot chain line. Removable hard disks etc. that are standardized (large). The 1.8-inch removable hard disk has a storage capacity of 40 GB, for example, and the 2.5-inch removable hard disk has a storage capacity of 80 GB, for example.

  The cartridge 2 is made of, for example, a synthetic resin material. An opening 2a is formed in the front surface 2A on the Y1 side of the cartridge 2, and a plug-in connector (external connection portion) 3 for connection is provided in the opening 2a. Guide grooves 2b and 2b extending in the Y direction are formed in front of the side surfaces 2B and 2B in the X1 and X2 directions of the cartridge 2 on the Y1 side. Further, step portions 2c and 2c extending in the Y direction are formed above the guide grooves 2b and 2b (on the Z1 side). The step portions 2c and 2c are recessed portions 2d that function as locked portions. 2d is formed.

  As shown in FIG. 1, a magnetic disk 4 and a rotation driving means 5 such as a spindle motor that rotationally drives the magnetic disk 4 are provided inside the cartridge 2.

  A magnetic head device 6 is built in the cartridge 2. The magnetic head device 6 includes a magnetic head chip 6a that faces the magnetic recording surface of the magnetic disk 4, a load beam 6b that applies a predetermined load pressure to the magnetic head chip 6a, and the load beam 6b that rotates about a shaft 6d. And an access actuator 6c to be moved.

  The magnetic head chip 6a is provided with a slider facing the recording surface of the magnetic disk 4, a reading unit using a magnetoresistive effect element attached to the slider, and a writing unit using a thin film inductive head. In the recording operation of the digital signal to the recording medium 1 or the reproducing operation of the digital signal from the recording medium 1, the magnetic head chip 6a is slightly lifted by the air bearing on the surface of the magnetic disk 4 rotating at high speed. Then, the load beam 6b is swung by the access actuator 6c, the sector of the recording surface of the magnetic disk 4 is searched, and the reading unit and the writing unit track to perform the reading operation and the writing operation.

  In addition, a circuit board is mounted inside the cartridge 2, and a control circuit for driving and controlling the rotation driving means 5, a control circuit for controlling the operation of the magnetic head device 6, and a write signal are formatted on the circuit board. A digital signal processing circuit for deformatting the read signal, an interface unit, and the like are mounted.

  The plug-in connector 3 shown in this embodiment is of a slot-in type in which, for example, a plurality of conductive portions 3a extending in the Y direction are arranged on the front and back surfaces of the substrate at predetermined intervals in the X direction. However, the plug connector 3 may be of a type provided with a plurality of connection pins.

Next, the recording medium mounting apparatus of the present invention will be described.
Figure 5 a stone Figure 9 shows the various operations of the recording medium mounting apparatus. 5 is a plan view of the recording medium mounting apparatus showing an initial state before the recording medium is inserted, FIG. 6 is a partial side view of the recording medium mounting apparatus in the initial state of FIG. 5, and FIG. 6 is a partial side view similar to FIG. 6 showing a state of being locked by a member, and FIG. 8 is a plan view similar to FIG. 5 showing a state immediately before the internal connector on the apparatus side and the plug-in connector on the recording medium side are connected. FIG. 9 is a plan view similar to FIG. 5 showing a state in which the recording medium side connector is connected to the internal connector on the apparatus side. 5, 8, and 9, the guide member 3 and various elongated holes are omitted.

  The recording medium mounting apparatus 10 of the present invention is mounted on, for example, a computer or an apparatus main body (not shown) such as an indoor or in-vehicle AV apparatus, and the recording medium 1 and the apparatus are connected via the recording medium mounting apparatus 10. Digital data is played back and recorded with the main unit.

  As shown in FIG. 2, the recording medium mounting apparatus 10 is provided with a lower chassis 11 on the lower side (Z2 side) and a base chassis (base member) 20 on the upper side (Z1 side). , 20 are opposed to each other in a parallel state.

  A shaft 11a is provided on the bottom plate 11A of the lower chassis 11, and a large disk-shaped cam member 12 is rotatably supported on the shaft 11a. As shown in FIGS. 3 and 4, a first sliding groove 12a is formed on the front surface (Z1 side surface) of the cam member 12, and a second sliding surface is formed on the back surface (Z2 side surface). A moving groove 12b and a sliding rib 12c are formed. Further, teeth 12d are provided on the outer peripheral side surface of the cam member 12.

As shown in FIG. 3, the first sliding groove 12a is formed by connecting two types of arc-shaped grooves connecting the outer peripheral side and the inner peripheral side. That is, a large arc groove (first cam groove) 12a1 having a large radius of curvature is formed on the outer peripheral side of the surface of the cam member 12 over almost ½ circumference, and the large arc groove on the inner peripheral side. A small arc groove (second cam groove) 12a2 having a radius of curvature smaller than 12a1 is formed over almost half of the circumference. And the part which switches from the said large circular groove 12a1 to the small circular groove 12a2 is the connection part 12a4.

  The groove width on the outer peripheral side of the first sliding groove 12a (the outer peripheral side of the large arc groove 12a1) is wider than the groove width on the inner peripheral side and the groove width of the small arc groove 12a2. 12a3. The innermost peripheral portion (the innermost periphery of the small arc groove 12a2) 12a5 of the first sliding groove 12a is formed at a position close to the shaft 11a.

  The second sliding groove 12b is formed on the back surface (the surface on the Z2 side) of the cam member 12 over a substantially ¼ circumference with a predetermined diameter centered on the axis. However, the outer peripheral end 12b1 which is one end of the second sliding groove 12b is formed with a diameter slightly larger than the predetermined diameter, and the inner peripheral end which is the other end. 12b2 is formed with a diameter slightly smaller than the predetermined diameter. And the wide part 12a3 which forms the outer peripheral side of the said 1st sliding groove 12a is provided between the outer peripheral end part 12b1 and the inner peripheral end part 12b2 of the 2nd sliding groove 12b.

  The sliding rib 12c is formed in a ring shape inside the second sliding groove 12b, and its cross section has a convex shape protruding in the Z2 direction as shown in FIG. That is, the cam member 12 is configured to rotate around the shaft 11a while the sliding rib 12c slides on the bottom plate 11A of the lower chassis 11, and the sliding rib 12c is a friction during sliding. The resistance is reduced.

  A transmission gear 14 having a cylindrical shape is rotatably provided on the bottom plate 11A of the lower chassis 11 and in the vicinity of the cam member 12, and teeth 14a formed on the lower side of the transmission gear 14 are provided on the lower side of the transmission gear 14. It is engaged with the teeth 12d of the cam member 12. A gear 14b having a large diameter is integrally formed at the upper end of the transmission gear 14, and meshes with a worm gear M1 of a drive motor fixed on the base chassis 20 as shown in FIG. Therefore, when the power generated by the drive motor M is transmitted through the transmission gear 14, the cam member 12 is rotated in the clockwise direction and the counterclockwise direction.

  As shown in FIGS. 1 and 3, a swing shaft 11b is provided on the bottom plate 11A of the lower chassis 11 and in the vicinity of the outer peripheral portion of the cam member 12, and the swing shaft 11b swings. The member 15 is supported in a swingable manner. One end of the swing member 15 is inserted into a gap between the bottom plate 11A and the cam member 12. One end of the swing member 15 is provided with a control pin 15a projecting in the Z1 direction shown in the drawing. The control pin 15a is inserted into a second sliding groove 12b provided on the back surface side of the cam member 12. ing. The other end of the swing member 15 is provided with a pressing portion 15b formed by being bent in the Z1 direction shown in the drawing.

  As shown in FIGS. 1, 3 and 4, a substrate 16 is provided at a front position on the Y1 side of the lower chassis 11, and a first switch member 17 a is provided on the upper surface of the substrate 16. A second switch member 17b and a third switch member 17c are provided on the lower surface of the substrate 16. The first switch member 17a is provided with an actuator 17a1 that protrudes in the Z1 direction in the drawing and is provided so as to be movable back and forth in the Z direction. The first switch member 17a switches the state of the switch each time the actuator 17a1 is pressed. On the other hand, the second switch member 17b and the third switch member 17c are arranged side by side in the X direction on the edge of the substrate 16 on the Y1 side. The second and third switch members 17b and 17c have actuators 17b1 and 17c1 protruding in the Y1 direction from the edge of the substrate 16, and the actuators 17b1 and 17c1 are operated in the X1 and X2 directions. Each time the switch is operated, the state of the switch is switched. And it arrange | positions so that the press part 15b of the said rocking | swiveling member 15 may oppose the position ahead of these actuators 17b1 and 17c1.

  When the cam member 12 rotates the maximum amount in the clockwise direction in FIG. 3 and the control pin 15a reaches the outer peripheral end 12b1 of the second sliding groove 12b, the swing member 15 moves the swing shaft 11b. It is swung counterclockwise about the center. At this time, since the pressing portion 15b presses the actuator 17b1 of the second switch member 17b in the X1 direction in the drawing, the switch state of the second switch member 17b is switched.

  When the cam member 12 rotates the maximum amount in the counterclockwise direction and the control pin 15a reaches the inner peripheral end 12b2 of the second sliding groove 12b, the swing member 15 swings in the clockwise direction. Is done. At this time, since the pressing portion 15b presses the actuator 17c1 of the third three switch member 17c in the direction X2 in the drawing, the switch state of the third switch member 17c is switched. When the control pin 15a is positioned in the second sliding groove 12b other than the outer peripheral end portion 12b1 and the inner peripheral end portion 12b2, the pressing portion 15b of the swing member 15 is moved to the second switch member 17b. And the third switch member 17c are set at neutral positions that do not come into contact with any of them.

  Therefore, is the control unit in an initial state in which the cam member 12 is rotated the maximum amount in the clockwise direction (see FIG. 5) or in a mounting completion state in which the cam member 12 is rotated the maximum amount in the counterclockwise direction (see FIG. 9)? Alternatively, it is possible to detect whether there is a loading state other than these (see FIG. 8).

  A switch signal indicating the state of each switch of the first to third switch members 17a, 17b, 17c is sent to a control unit (not shown) provided in the device body.

  As shown in FIG. 2, the base chassis 20 is formed by pressing or punching a metal plate. An opening hole 21 that opens in a substantially oval shape is formed in the center of the base chassis 20, and a first rack portion 21 a is formed at the edge of the opening hole 21 on the X1 side. At both ends of the base chassis 20 in the width direction (X1 and X2 directions), elongated holes 22a and 22b extending in the Y direction are formed at symmetrical positions. Pressed portions 52a and 52a formed in the moving member 50 described later are inserted into the long holes 22a and 22b. Further, guide long holes 23a and 23b extending in the Y direction are formed on both sides of the opening hole 21, and a long hole 24 extending in the Y direction is also formed between the one long hole 22b and the one guide long hole 23b. Is formed.

  A pair of guide members 30, 30 formed of synthetic resin or the like are fixed to both ends of the base chassis 20 in the width direction. The guide member 30 is formed in a U-shaped cross section so as to surround the three surfaces of the bottom surface 31, the side surface 32, and the top surface 33, and the side surface 32 and the top surface 33 are formed to extend in the Y direction in the drawing. . The side portions of the cartridge 2 in the X1 and X2 directions are inserted into the space surrounded by these three surfaces. Inclined surfaces 31a, 32a, and 33a are formed at the front ends of the three surfaces of the bottom surface 31, the side surface 32, and the upper surface 33, respectively, and a portion surrounded by the inclined surfaces 31a, 32a, and 33a is formed in the recording medium mounting apparatus 10. The insertion part 10A is configured.

  The bottom surface 31 is formed with elongated holes 31b extending in the Y direction and mounting holes 31c, 31d. The mounting holes 31c, 31d are aligned with the fixing holes 25a, 25b formed in the base chassis 20 and screwed. Then, the long holes 22a and 22b of the base chassis 20 and the long holes 31b and 31b overlap.

  An extended side surface 32A protruding from the side surface 32 in the Z1 direction is integrally formed at a position in front of the side surface 32. The side surface 32 is formed with a guide long hole 32c extending along the Y direction. An inclined portion 32d is formed at the front end of the guide long hole 32c in the Y2 direction so as to be inclined upward (Z1 direction) continuously from the guide long hole 32c. Further, a rectangular support hole 32e continuous with the inclined portion 32d is formed at a position across the side surface 32 and the extended side surface 32A. The lower end on the Y2 side of the support hole 32e is the support portion 32f, and the edge on the Y1 side is the restricting portion 32g. A guide projection 32h that protrudes inward in the figure and extends in the Y direction in the figure is formed on the Y1 side of the inner wall of the side surface 32.

The base chassis 20 is provided with an internal connector 40 serving as a receiving side fixed on a substrate 39. The internal connector 40 has an insulating exterior cover 41 that covers the whole . The front side (Y1 side) of the exterior cover 41 is a connection portion 42, and an opening 43 is formed inside the connection portion 42.

  In the internal connector 40, for example, a plurality of conductive connection terminals having elasticity are arranged in the width direction on the upper and lower surfaces of the opening 43, and the insertion connector 3 on the recording medium 1 side is connected to the opening. When the connector is inserted into the connector 43, the connection terminals come into contact with the conductive portions 3 a formed on both the front and back surfaces of the board of the plug-in connector 3 while being pressed. Alternatively, when the plug-in connector 3 on the recording medium 1 side is a connection pin, this is a connector of a type in which a plurality of receivables into which the connection pin can be inserted are arranged.

  Screw holes 39a and 39a are formed at both ends of the substrate 39 in the width direction, and the substrate 39 is illustrated in a state where the screw holes 39a and 39a are overlapped with the mounting holes 31d and 31d of the guide member 30. It is fastened and fixed together by a screw member that does not.

As shown in FIG. 2 , a moving member 50 and a movable member 60 are provided between the lower chassis 11 and the base chassis 20. The moving member 50 has a base portion 50A formed into a plane T shape by bending a metal plate, and side portions 50B and 50B formed by vertically bending both ends of a wide portion of the base portion 50A. Yes. In the center of the base portion 50A, an opening hole 51 that is opened in a substantially oval shape is formed. Further, notches 52 and 52 are formed in the vicinity of the side portions 50B and 50B on the base 50A, and a pressed portion 52a obtained by vertically bending a part of the notches 52 and 52 at the edge thereof. , 52a are formed. Further, the moving member 50 is provided with a pressing portion 53 formed by sinking a part of the base portion 50A in the Z2 direction in the drawing. As shown in FIG. 6, the pressing portion 53 is disposed to face the first switch member 17a.

  In the vicinity of the opening hole 51 of the moving member 50, guide pins 54 and 55 are provided that protrude in the vertical direction from the base 50A. The function of the guide pins 54 and 55 will be described later.

  Windows 56 and 56 are formed in the side portions 50 </ b> B and 50 </ b> B of the moving member 50, and retracting members 70 and 70 are provided in the vicinity of the windows 56 and 56. The retracting member 70 is made of synthetic resin or the like, and is rotatably supported on a shaft 71 provided at a position on the Y1 side of the side portion 50B.

  The retracting member 70 has an arm portion 72 extending in the Y2 direction shown in the drawing and a latching piece 73 extending in the Z1 direction shown in the drawing. A locking portion 74 that protrudes inwardly is formed on the inner surface of the tip of the arm portion 72. Further, a regulation projection 75 projecting outward is formed on the outer surface of the arm portion 72 and is inserted into the window 56. Accordingly, the retracting member 70 is supported so as to be swingable in the vertical direction around the shaft 71 within a range in which the restricting protrusion 75 contacts the upper and lower edges of the window 56. At the front ends in the Y2 direction of the side portions 50B and 50B of the moving member 50, latching pieces 57 and 57 extending in the Z1 direction are integrally formed. The latching pieces 57, 57 are bent slightly inward, and a biasing member made of a coil spring or the like is provided between the latching pieces 57, 57 and the latching pieces 73, 73 of the retracting member 70. S1 and S1 are installed in a compressed state. Accordingly, the retracting member 70 is urged in a direction in which the distal end portion of the arm portion 72 is rotated downward in the figure (Z2 direction).

  The movable member 60 is formed of a metal plate, and an opening 61 is formed at the center of the movable member 60. The opening 61 opens in a substantially oval shape. A second rack portion 62 is formed at the edge portion of the opening portion 61 on the X2 side in the drawing.

  The dimension of the movable member 60 in the width direction (X direction) is substantially the same as the width dimension of the narrow portion of the base 50A of the moving member 50, and the movable member 60 is formed on the bottom surface of the base 50A (see FIG. Z2 side surface). Guide long holes 63 and 64 extending in the Y direction are formed on both sides of the opening 61 of the movable member 60, and the guide long holes 63 and 64 have the guide provided in the moving member 50. The lower ends of the pins 54 and 55 are inserted. The movable member 60 is supported on the lower surface of the moving member 50 by the guide pins 54 and 55 and can be moved in the Y direction along the guide elongated holes 63 and 64.

  A hooking portion 65 protruding in the X2 direction is formed on the Y1 side and X2 side edge of the movable member 60. An urging member (first urging member) S2 made of a coil spring or the like is constructed between the latching portion 65 and the latching portion 58 provided on the side surface of the base 50A of the moving member 50. Yes. Therefore, the movable member 60 and the moving member 50 are attracted to each other in the Y direction in an overlapping state. Therefore, normally, the lower ends of the guide pins 54 and 55 provided on the moving member 50 are in contact with the end portions on the Y1 side of the guide long holes 63 and 64 of the movable member 60.

As shown in FIG. 1, on the surface of the base chassis 20 and in a region between the one guide member 30 and the other guide member 30, a slide member 80 made of a metal plate formed in a rectangular shape is provided. Is provided. A shaft 81 is provided at the center of the slide member 80, and its tip extends in the Z2 direction from the lower surface of the slide member 80. A moving gear 90 is rotatably provided at the tip of the shaft 81. The moving gear 90 is formed of a two-stage gear having a small-diameter pinion gear 92 fixedly provided on an upper portion of a large-diameter pinion gear 91, and a sliding pin protruding in the Z2 direction shown in the figure on the lower surface of the large-diameter pinion gear 91. 93 is provided. Incidentally, the number of teeth of the large-diameter pinion gear 91 N1, and the number of teeth of the small-diameter pinion gear 92 and N 2, is N1> N2.

  Two guide elongated holes 82 and 83 extending in the Y direction are formed at both edges in the width direction of the slide member 80, and the guide elongated holes 82 and 83 are provided in the guide provided in the moving member 50. The tips of the pins 54 and 55 are inserted. That is, the guide pins 54 and 55 are inserted into the guide long holes 23 a and 23 b of the base chassis 20, and the tips thereof are inserted into the guide long holes 82 and 83 of the slide member 80. Therefore, the slide member 80 can be moved in the Y direction in the figure by the guide pins 54 and 55 and the guide long holes 82 and 83. The slide member 80 can move on the surface of the base chassis 20 in the Y direction, and moves in the gap between the base chassis 20 and the substrate 39 when moving in the Y1 direction.

  In the vicinity of the guide slot 83, a projecting piece 84 is formed from the edge of the slide member 80 in a substantially triangular shape in the illustrated X1 and bent in the Z2 direction. The protruding piece 84 is inserted into a long hole 24 formed in the base chassis 20, and the tip thereof reaches the lower surface of the base chassis 20. A hooking portion 85 is formed at the tip of the protruding piece 84, and a coil spring or the like is formed between the hooking portion 85 and the hooking portion 26 provided at a position in front of the base chassis 20. The urging member (second urging member) S3 is installed in a compressed state. Therefore, the slide member 80 is always urged forward (Y2 direction in the drawing) on the base chassis 20.

  In a state where the slide member 80 is mounted on the surface of the base chassis 20, the small-diameter pinion gear 92 of the moving gear 90 meshes with the first rack portion 21 a formed in the opening hole 21 of the base chassis 20. ing. Further, the large-diameter pinion gear 91 of the moving gear 90 enters the opening hole 51 of the moving member 50 and the opening 61 of the movable member 60, and the second rack portion 62 provided on the movable member 60 Biting. That is, the moving gear 90 is engaged with the first rack portion 21a and the second rack portion 62 from both sides in the X direction.

  A sliding pin 93 provided on the moving gear 90 is inserted into the first sliding groove 12a formed on the surface of the cam member 12, and freely moves in the first sliding groove 12a. It is possible to move to.

Hereinafter, the operation of the recording medium mounting apparatus 10 will be described.
(initial state)
5 and 6 show an initial state before the hard disk is inserted, FIG. 5 is a plan view of the recording medium mounting device, and FIG. 6 is a side view showing an enlarged front portion of the recording medium mounting device. .

  As shown in FIG. 5, the cartridge 2 of the recording medium 1 is inserted into the insertion portion 10 </ b> A of the recording medium mounting apparatus 10 surrounded by the inclined surfaces 31 a, 32 a, 33 a formed on the pair of guide members 30, 30. In the previous initial state, the cam member 12 is rotated clockwise in FIG. For this reason, the sliding pin 93 of the moving gear 90 is located on the Y2 side (the side away from the shaft 11a) in the wide portion 12a3 of the first sliding groove 12a formed in the cam member 12. .

  At this time, the moving member 50 and the movable member 60 are moved to a front position in the Y2 direction in a substantially integrated state by the urging force of the urging member S2. Similarly, the slide member 80 is also moved to the front insertion portion side position (insertion standby position) by the urging force of the urging member S3.

  As shown in FIG. 6, in the initial state, as the moving member 50 is moved to the insertion standby position, the arm portion 72 of the retracting member 70 resists the urging force of the urging member S1 in FIG. It is rotated counterclockwise. That is, the locking portion 74 of the retracting member 70 is supported by the support portion 32f in the support hole 32e that climbs the inclined portion 32d of the guide member 30.

  Further, the actuator 17a1 of the first switch member 17a is pressed by the pressing portion 53 of the moving member 50, and the switch state of the first switch member 17a is set to OFF. Therefore, the control unit can detect that the recess 2 d of the cartridge 2 is not yet locked by the retracting member 70.

  Further, as shown in FIG. 5, the swing member 15 swings counterclockwise, the actuator 17b1 of the second switch member 17b is pressed by the pressing portion 15b, and the second switch member 17b is ON and the third switch member 17c are set to OFF. Therefore, the control unit can detect from the rotation amount of the cam member that the moving member 50 is located at the insertion standby position.

(Insertion operation)
In this initial state, the cartridge 2 of the recording medium 1 is inserted into the insertion portion 10A. When the cartridge 2 is inserted into the insertion portion 10A, both side surfaces 2B, 2B of the cartridge 2 are placed between the bottom surface 31, the side surface 32, and the top surface 33 of the guide members 30, 30 provided at both ends in the X direction. It is guided in the insertion direction (Y1 direction) while being sandwiched.

  When the cartridge 2 is further inserted in the insertion direction, the front surface 2A of the cartridge 2 comes into contact with the pressed portions 52a and 52a provided on the moving member 50, and the moving member 50 is biased by the biasing member S3. The cartridge 2 is moved together with the cartridge 2 in the insertion direction. When the cartridge 2 is inserted, the elastic force of the urging member S3 functions as a damper of the moving member 50. Therefore, it is possible to provide the recording medium mounting apparatus 10 with an enhanced insertion feeling and excellent operability.

  Here, when the moving member 50 is moved in the insertion direction, the lower ends of the guide pins 54 and 55 of the moving member 50 cause the Y1 side ends of the guide long holes 63 and 64 of the movable member 60 in the insertion direction. In order to press, the moving member 50 and the movable member 60 are moved in the insertion direction in an integrated state. At this time, the moving gear 90 having the large-diameter pinion gear 91 that meshes with the second rack portion 62 of the movable member 60 is also moved in the insertion direction. Since it is located in the wide part 12a3 of the member 12, it is possible to move the inside of this wide part 12a3 in the insertion direction (see FIG. 7). Therefore, it is possible to avoid that the damper function by the urging member S3 is hindered by the moving gear 90.

  As shown in FIG. 7, when the moving member 50 is moved in the insertion direction, the retracting member 70 is also moved in the insertion direction together with the moving member 50. When the engaging portion 74 of the retracting member 70 moves from the support portion 32f of the guide member 30 and reaches the inclined portion 32d, the retracting member 70 is urged clockwise in the figure by the urging member S1. Therefore, the locking portion 74 can descend the inclined portion 32d. However, since the locking portion 74 is supported by the stepped portion 2c provided on the side surface 2B of the cartridge 2 at the initial stage of insertion, the rotation of the retracting member 70 is restricted, and the locking portion 74 has the guide long hole 32c. It is regulated so that it cannot reach. Then, when the cartridge 2 is further inserted and the recess 2d provided on the side surface 2B reaches a position where it overlaps the inclined portion 32d of the guide member 30, the retracting member 70 is allowed to rotate. The locking portion 74 descends the stepped portion 2c to reach the guide long hole 32c and locks the concave portion 2d.

  Thus, in this invention, since the recessed part 2d of the cartridge 2 can be latched when the latching | locking part 74 descend | falls to a height direction (Y direction), when latching the cartridge 2 from a horizontal direction In comparison, the overall width of the recording medium mounting apparatus 10 can be reduced. Therefore, the width direction of the recording medium mounting device 10 can be reduced particularly.

  At this time, since the pressing portion 53 provided on the moving member 50 is disengaged from the actuator 17a1 of the first switch member 17a, the switch state of the first switch member 17a is switched from the OFF state to the ON state. Therefore, the control unit on the apparatus main body side detects that the cartridge 2 is inserted into the insertion portion 10A of the recording medium mounting apparatus 10 and the concave portion 2d of the cartridge 2 is locked by the locking portion 74 of the drawing member 70. Is possible.

  Further, when the cartridge 2 is erroneously inserted into the insertion portion 10A in an abnormal state, for example, when the rear surface 2D side of the cartridge 2 is inserted toward the insertion portion 10A, or the cartridge 2 is turned upside down. When inserted in a state, the locking portions 74, 74 of the retracting member 70 cannot lock the recesses 2d, 2d of the cartridge 2. Therefore, the retraction member 70 is not allowed to rotate, and the retraction member 70 is maintained in the state shown in FIG.

  Further, when the cartridge 2 in an abnormal direction is pushed in the insertion direction, the retracting member 70 is slightly moved in the insertion direction in the state shown in FIG. 6, but the locking portion 74 is formed in the support hole 32e. It can abut against the restricting portion 32g and prohibit any further movement of the retracting member 70 in the insertion direction. As a result, the pressing portion 53 can maintain the pressing state of the actuator 17a1 of the first switch member 17a and prevent the switch state of the first switch member 17a from being switched. Therefore, it is possible to prevent the cartridge 2 in an abnormal direction from being automatically conveyed in the insertion direction by a loading operation as will be described later. That is, it is possible to prevent the cartridge 2 in an abnormal orientation from being conveyed to the back of the apparatus.

(Cartridge loading operation)
When the control unit detects that the cartridge 2 is inserted in a normal state and the first switch member 17a is switched to the ON state, the control unit starts the drive motor M and causes the cam member 12 to counterclockwise. Rotate around.

  When the cam member 12 is rotated counterclockwise, the slide pin 93 provided on the moving gear 90 is moved in the insertion direction along the first slide groove 12a. At this time, the small-diameter pinion gear 92 rolls clockwise while meshing with the first rack portion 21a, so that the moving gear 90 is moved in the insertion direction. The slide member 80 on which the moving gear 90 is mounted is moved in the insertion direction while resisting the biasing member S3.

  At the same time, since the second rack portion 62 that meshes with the large-diameter pinion gear 91 is sent in the insertion direction by the clockwise rotation of the moving gear 90, the movable member 60 having the second rack portion 62 is inserted. Moved in the direction. When the movable member 60 is moved in the insertion direction, the moving member 50 is pulled in the insertion direction via the biasing member S <b> 2, so that the moving member 50 is also moved in the insertion direction together with the movable member 60. When the moving member 50 is moved in the insertion direction, the cartridge 2 locked by the locking portion 74 of the drawing member 70 mounted on the moving member 50 is automatically set to the recording medium mounting device 10. It is conveyed to the back of the. That is, the cam member 12, the moving gear 90, the moving member 50, the retracting member 70, and the like constitute a loading mechanism that conveys the cartridge 2 in the insertion direction.

  The cartridge 2 is moved in the insertion direction with its two side surfaces 2B, 2B being held on the three surfaces of the bottom surface 31, the side surface 32, and the top surface 33 of the guide members 30, 30, but the cartridge 2 is guided. When reaching the back side of the members 30, 30, the guide protrusions 32h, 32h provided on the inner walls of the guide members 30, 30 are inserted into the guide grooves 2b, 2b formed in the side surfaces 2B, 2B. Therefore, the cartridge 2 can be moved in the insertion direction with a more stable posture.

  As shown in FIG. 8, when the cartridge 2 is loaded, the control pin 15a of the swing member 15 is connected to the outer peripheral end portion 12b1 and the inner peripheral end in the second sliding groove 12b of the cam member 12. It is located in parts other than the part 12b2, and the rocking | swiveling member 15 is set to the neutral position. Therefore, since the second switch member 17b and the third switch member 17c are not operated, the control unit can grasp that the cam member 12 is in a loading state.

(Connector connection operation)
As shown in FIG. 8, when the sliding pin 93 passes the connecting portion 12a4 of the first sliding groove 12a, the sliding pin 93 is moved in the insertion direction by the small arc groove 12a2. As shown in FIG. 9, when the sliding pin 93 reaches the innermost peripheral portion 12a5 of the first sliding groove 12a, the cartridge 2 locked to the retracting member 70 as the sliding pin 93 moves. The connecting portion 42 of the internal connector 40 is inserted into the opening 2a provided on the front surface 2A.

  When the insertion connector 3 of the cartridge 2 and the opening 43 of the internal connector 40 are attached to each other, an insertion load due to frictional resistance or the like is generated between them. For this reason, even if the movable member 60 meshing with the large-diameter pinion gear 91 of the moving gear 90 moves in the insertion direction, the movement of the moving member 50 provided with the retracting member 70 for locking the cartridge 2 is restricted. The insertion connector 3 and the internal connector 40 are fitted in an incomplete state. However, since the movable member 60 is moved to the mounting completion position, the urging member S2 provided between the movable member 60 and the movable member 50 is extended with the movement of the movable member 60, The pulling force of the urging member S2 is gradually increased. When the pulling force of the biasing member S2 exceeds the insertion load between the insertion connector 3 and the internal connector 40, the moving member 50 is moved to the mounting completion position by the pulling force. The insert connector 3 and the internal connector 40 can be completely fitted.

  When the insertion connector 3 on the cartridge 2 side is completely fitted into the opening 43 of the internal connector 40, each conductive portion 3 a provided in the insertion connector 3 and the opening 43 of the internal connector 40 are inserted. Each provided connection terminal is electrically connected. As a result, digital data can be reproduced and recorded between the recording medium 1 and the main body equipped with the recording medium mounting device 10.

  As shown in FIG. 9, when the mounting (complete fitting) between the plug-in connector 3 and the internal connector 40 is completed, the control pin 15 a of the swinging member 15 is inserted into the second sliding groove 12 b of the cam member 12. In order to enter the inner peripheral end 12b2, the swing member 15 is swung clockwise in FIG. At this time, since the pressing portion 15b of the swinging member 15 presses the actuator 17b1 of the second switch member 17b, the control portion can grasp that the cam member 12 has reached the state where the connector is completely attached. it can.

  In the initial stage of the loading operation, the sliding pin 93 of the moving gear 90 is moved in the insertion direction by the large arc groove 12a1 of the first sliding groove 12a. As shown in FIG. When the pin 93 passes the connecting portion 12a4 of the first sliding groove 12a, it is now moved in the insertion direction by the small arc groove 12a2.

Here, since the large arc groove 12a1 is formed with a larger radius of curvature than the small arc groove 12a2, the sliding pin 93 is shown in FIG. The moving distance L1 from the position a1 of the wide part 12a3 to the position a2 of the connecting part 12a4 shown in FIG. 8 is moved. At this time, as shown in FIG. 8, the moving amount of the locking portion 74 of the retracting member 70, that is, the moving distance of the cartridge 2 in the inserting direction is L0.

  The relationship between the moving distance L0 of the cartridge 2 and the moving distance L1 of the sliding pin 93 is L0 ≦ 2 · L1. That is, in the recording medium mounting apparatus 10, when the large arc groove 12a1 is used, the movement of the cartridge 2 is less than about half the moving distance L1 of the sliding pin 93 (that is, the sliding member 80 on which the moving gear 90 is mounted). The distance L1 can be moved.

  On the other hand, in the process from FIG. 8 to FIG. 9, that is, until the sliding pin 93 reaches the position a3 from the connecting portion 12a4 to the innermost peripheral portion 12a5 from the position a2, the sliding pin 93 is in the small arc groove. It is moved by 12a2. Since the small arc groove 12a2 has a small radius of curvature, the sliding pin 93 is moved by the moving distance L2 from the position a2 to the position a3 while the cam member 12 makes a half turn. At this time, as shown in FIG. 9, the moving amount of the locking portion 74 of the retracting member 70, that is, the moving distance of the cartridge 2 in the inserting direction is L3. That is, in the recording medium mounting apparatus 10, when the small arc groove 12a2 is used, the moving distance L2 of the sliding pin 93 (that is, the sliding member 80 on which the moving gear 90 is mounted) and the moving distance L3 of the cartridge 2 are almost equal. The same (L2≈L3).

  Further, as described above, the number of teeth N1 of the large-diameter pinion gear 91 and the number of teeth N2 of the small-diameter pinion gear 92 are in a relationship of N1> N2. Therefore, when the small-diameter pinion gear 92 rotates the first rack portion 21a by, for example, the number of teeth n, the second rack portion 62 that meshes with the large-diameter pinion gear 91 has the number of teeth (N1 / N2) · n (> n). ) Can be moved as much as possible. That is, the amount of movement in the Y direction of the movable member 60 having the second rack portion 62 and the movable member 50 connected to the movable member 60 via the biasing member S2 is determined as the movable gear 90, that is, the movable gear 90. It is possible to make it larger than the amount of movement in the Y direction of the slide member 80 on which is mounted.

  That is, in the recording medium mounting apparatus 10 of the present invention, it is possible to move the cartridge 2 by a moving distance that is at least twice as long as the moving distance of the slide member 80. Therefore, since the moving distance of the slide member 80 in the Y direction can be reduced, the recording medium mounting apparatus 10 can be reduced in size.

  If the rotation speed of the cam member 12 is constant, the cartridge 2 moves by the moving distance L0 while the cam member 12 first makes a half turn (while the sliding pin 93 moves in the large arc groove 12a1). Then, during the remaining 1/2 turn (while the sliding pin 93 moves in the small arc groove 12a2), it is moved by the moving distance L3. That is, most of the movement of the cartridge 2 is performed by the large arc groove 12a1, and the large arc groove 12a1 functions as a moving feed portion that moves the cartridge 2 in the insertion direction.

  Further, since the relationship between the movement distance L0 and the movement distance L3 is L0> L3, the large arc groove 12a1 can convey the cartridge 2 at a higher speed than the small arc groove 12a2. Therefore, when the cartridge 2 is inserted into the insertion portion 10 </ b> A, the cartridge 2 can be quickly drawn into the recording medium mounting apparatus 10. For this reason, even if the outer diameter of the recording medium 1 is long in the Y direction as in the case of the large-sized (2.5 inch type) hard disk, the time required to pull the recording medium 1 into the recording medium mounting apparatus 10 is reduced. Can be shortened.

  When the insertion connector 3 of the cartridge 2 is mounted on the internal connector 40 on the recording medium mounting apparatus 10 side, the sliding pin 93 reaches the small circular groove 12a2 provided on the inner peripheral side of the cam member 12. Therefore, the sliding pin 93 is driven with a larger torque than that of the large circular groove 12a1 on the outer peripheral side. Therefore, since a large pulling force is generated in the pulling member 70, the plug-in connector 3 and the internal connector 40 can be fitted and connected with a stronger force. That is, the small circular groove 12a2 of the cam member 12 functions as a connecting portion for mounting the plug-in connector 3 and the internal connector 40 with a stronger force.

  Moreover, when the sliding pin 93 is moving in the small arc groove 12a2, the biasing force of the biasing member S2 as described above exceeds the insertion load between the plug-in connector 3 and the internal connector 40, and the The plug-in connector 3 is inserted into the opening 43 of the internal connector 40.

  Therefore, in the recording medium mounting apparatus 10 of the present invention, in addition to the large pulling force by the pulling member 70, the pulling force of the biasing member S2 acts as an auxiliary, and the plug connector 3 is connected to the inside with a larger mounting force. Since the connector 40 can be completely fitted, the insertion connector 3 and the internal connector 40 can be securely attached.

  Further, since the large arc groove 12a1 for moving the cartridge 2 and the small arc groove 12a2 for connecting the connectors are formed by a continuous first sliding groove 12a, the connectors are separated from each other by a moving operation for moving the cartridge 2. It is possible to quickly shift to a connection operation for connection.

  When the mounting operation of the cartridge 2 in the recording medium mounting apparatus 10 is completed, the entire cartridge 2 is the recording medium mounting apparatus regardless of whether the recording medium 1 is a small recording medium 1 or a large recording medium 1. 10 can be completely retracted. Therefore, an external force does not act on a part of the cartridge 2 during operation, and the possibility of causing a data error or data destruction can be eliminated.

  In the above embodiment, a removable hard disk has been described as an embodiment of a recording medium having a connector. However, the present invention is not limited to this, and for example, an IC memory in the cartridge 2 instead of a magnetic disk. May be a recording medium containing the.

  In the above embodiment, the movable member 60 is configured separately from the moving member 70. However, the present invention is not limited to this, and the second rack portion 62 is opened to the moving member 50. It is also possible to adopt a configuration in which the edge of the hole 51 is formed integrally. However, the separate configuration as described above is advantageous in that the insertion connector 3 and the internal connector 40 can be completely fitted using the pulling force of the biasing member S2.

  Furthermore, in the above embodiment, the moving gear 90 is shown as a two-stage gear composed of two types of pinion gears having different numbers of teeth. However, the present invention is not limited to this, and the moving gear 90 composed of one pinion gear is not limited to this. It is also possible to adopt a configuration in which the first rack portion 21a and the second rack portion 62 are engaged with each other. However, when the two-stage gear is used as described above, the moving amount of the moving member 50 and the moving member 60 is increased with respect to the moving amount of the slide member 80 on which the moving gear 90 is mounted using the gear ratio. This is advantageous in that it can.

An external perspective view showing a recording medium mounted on the recording medium mounting apparatus; 1 is an exploded perspective view showing an internal structure of a recording medium mounting device according to an embodiment of the present invention; A plan view showing the lower chassis and the cam member, A cross-sectional view mainly taken along line A1-A1 of FIG. The top view of the recording medium mounting apparatus which shows the initial state before a recording medium is inserted, Partial side view of the recording medium mounting device in the initial state, FIG. 7 is a partial side view similar to FIG. 6 showing a state in which the recording medium is inserted and locked by the retracting member; FIG. 5 is a plan view similar to FIG. 5 showing a state immediately before the internal connector on the apparatus side and the plug-in connector on the recording medium side are connected; FIG. 5 is a plan view similar to FIG. 5 showing a state in which the recording medium side plug connector is connected to the internal connector on the apparatus side;

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Recording medium 2 Cartridge 2a Opening part 2d Recessed part 3 Plug-in connector (external connection part)
DESCRIPTION OF SYMBOLS 10 Recording medium mounting apparatus 11 Lower chassis 12 Cam member 12a 1st sliding groove 12a1 Large circular groove (1st cam groove)
12a2 Small arc groove (second cam groove)
12a3 Wide portion 12a4 Connection portion 12a5 Innermost peripheral portion 12b1 Outer peripheral end portion 12b2 Inner peripheral end portion 15 Swing member 15a Control pin 17a First switch member 17b Second switch member 17c Third switch member 20 Base chassis (base) Element)
21 opening hole 21a first rack part 30 guide member 32c guide long hole 32d inclined part 32e support hole 32f support part 32g regulating part 40 internal connector 42 connection part 43 opening part 50 moving member 51 opening hole 52a pressed part 53 pressing part 56 Window 60 Movable member 61 Opening portion 62 Second rack portion 70 Retraction member 72 Arm portion 74 Locking portion 75 Restriction projection 80 Slide member 90 Moving gear 91 Large diameter pinion gear 92 Small diameter pinion gear 93 Sliding pin M Drive motor S1 , S2, S3 Biasing member

Claims (5)

A recording medium mounting apparatus to which a recording medium provided with an external connection unit is attached and detached,
An insertion portion into which the recording medium is inserted, a connector to which the external connection portion is connected, and the recording medium are conveyed in the insertion direction from the insertion portion to a mounting completion position at which the external connection portion and the connector are connected. With a loading mechanism,
The loading mechanism includes a cam member rotatably provided on a fixed portion, a motor that rotates the cam member, a sliding groove formed in the cam member, and the recording medium inserted from the insertion portion. A moving member to be held, and a sliding pin that is moved in the insertion direction by the sliding groove when the cam member is rotated in the first direction and moves the moving member in the insertion direction by the moving force. And
The sliding groove moves the moving member by a rotational force in the first direction of the cam member to move the recording medium from the insertion portion to a position where the external connection portion and the connector approach each other. A first cam groove portion, and a second cam groove portion that further moves the moving member by a rotational force in the first direction of the cam member to connect the external connection portion and the connector. And
Both the first cam groove and the second cam groove have a shape that gradually approaches the rotation center of the cam member as it goes in the direction of rotation opposite to the first direction, and the second cam The radius of curvature at any position of the groove is smaller than the radius of curvature at any position of the first cam groove,
A recording medium mounting apparatus , wherein a distance by which the moving member is moved by each of the second groove portions is shorter than a distance by which the moving member is moved by the first cam groove portion . The recording medium mounting device according to claim 1 , wherein the curvature of the first cam groove and the second curvature are discontinuous at a boundary portion between the first cam groove portion and the second cam groove portion . The rotation angle of the cam member in a range where the first cam groove portion is formed is substantially equal to the rotation angle of the cam member in a range where the second cam groove portion is formed. 3. A recording medium mounting apparatus according to 2. Wherein a slide member which moves together with the sliding pin to the insertion direction, and a biasing member is provided for biasing said slide member to said insertion direction opposite to the direction,
Wherein the farthest end from the rotation center of the first of said cam member in the cam groove portion, the moving member is pushed in the insertion direction via the moving member in the inserted said recording medium to the insertion portion 4. The recording medium mounting device according to claim 1 , wherein a wide portion is formed to allow movement of the sliding pin when the sliding pin is pushed in the insertion direction . A first switch member that detects whether or not the recording medium is held by the moving member, and a rotation of the cam member that determines whether or not the moving member has moved to an insertion standby position on the insertion portion side. a second switch member that detects the amount, and the third switch member in which the recording medium inserted into the insertion portion to detect whether or not moved in the attachment completing position from the rotational amount of the cam member, The recording medium mounting apparatus according to claim 1, wherein the recording medium mounting apparatus is provided.

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