JP4204261B2 - Recording or playback device to / from which a recording medium is attached / detached - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a recording or reproducing apparatus in which a recording medium is automatically inserted and a connector that fits into the recording medium is provided therein.
[0002]
[Prior art]
FIGS. 13 (a) and 13 (b) are plan views schematically showing a conventional recording or reproducing apparatus (see Japanese Patent Laid-Open No. 7-244711). This is a device in which an IC card is automatically inserted as a recording medium. In the following description, the direction in which the recording medium is inserted is defined as the front, and the direction in which the recording medium is ejected is defined as the rear. A first connector (60) is provided at the front end of the recording medium (6), and a second connector (7) that fits into the first connector (60) is provided at the front end of the chassis (1) of the apparatus. ing. The chassis (1) is provided with a tray (4) on which a recording medium (6) is placed. The tray (4) is provided on the chassis (1) and is driven by a motor, and the drive cam. The lever (97) fitted in the cam groove (33) of (3) moves back and forth. The tray (4) advances while supporting the recording medium (6), and the first connector (60) is fitted into the second connector (7) to be electrically connected. In this state, information is recorded on the recording medium (6) through the second connector (7), or information is reproduced from the recording medium (6).
[0003]
[Problems to be solved by the invention]
In order to record or reproduce information accurately, both connectors (60) and (7) need to be accurately fitted. However, in the conventional apparatus, one connector (60) is connected to the other connector (7) due to vertical play in the tray (4) of the recording medium (6), vertical play in the chassis (1) of the tray (4), and the like. There is a risk that the connectors (60) and (7) will not be correctly fitted.
An object of the present invention is to accurately fit a recording medium and a connector on a chassis.
[0004]
[Means for solving the problems]
The tray (4) is provided with a spring member that urges the front end portion of the recording medium (6) upward or downward. At least one of the recording medium (6) and the connector (7) is provided with the recording medium (6). A guide mechanism such as chamfering that leads to the connector (7) is provided while correcting the posture of the recording medium, and the recording medium (6) is centered on the protruding shaft (48) or lifted before it is fitted to the connector (7). The fitting to the connector (7) is guided by the guide mechanism while keeping the front end pivotable up and down with the portion (49) as a fulcrum.
[0005]
[Action and effect]
With the recording medium (6) inserted into the tray (4), even if the front end of the recording medium (6) and the connector (7) are misaligned, The front end can be turned up and down with the lifting protrusion (49) as a fulcrum. Therefore, the front end portion of the recording medium (6) swings upward or downward by the guide mechanism before the recording medium (6) is fitted to the connector (7), and smoothly fits into the connector (7). Thereby, the recording medium (6) and the connector (7) on the chassis (1) can be accurately fitted.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
(First embodiment)
Hereinafter, an example of the present invention will be described in detail with reference to the drawings.
FIG. 7 is a perspective view of the recording medium (6), and a first connector (60) is provided at one end. The first connector (60) is provided with a series of contact pieces (61) and (61) in which a large number of electrical contact pieces are arranged horizontally, and a gap H is provided between the contact piece rows (61) and (61). Is formed.
On the side surface of the recording medium (6), a guide groove (63) having an open end on the first connector (60) side is formed to extend in the front-rear direction. The recording medium (6) may be a box (see FIG. 4) capable of recording information such as video and music, or an IC card on which identification information is recorded.
FIG. 9 is a perspective view of the second connector (7) into which the first connector (60) is fitted. The second connector (7) is provided in a box (73) attached to the circuit board (72). A horizontal plate (71) is provided in the second connector (7). The horizontal plate (71) is fitted in the gap H of the first connector (60), and both the connectors (60) (7) are fitted. . A gap H may be provided in the second connector (7), and a horizontal plate (71) may be provided in the first connector (60). A guide mechanism such as chamfering may be provided at the fitting portion entrance of both the connectors (60) and (7).
[0007]
FIG. 1 is an exploded plan view of an apparatus according to this example. A pair of side plates (10) and (10) are erected from the chassis (1), and a tray (4) and an auxiliary tray (5) are provided between the side plates (10) and (10). The second connector (7) and the circuit board (72) are provided at the front end of the chassis (1). The restricting pieces (11) and (11) protrude inward from the side plates (10) and (10). As described later, the tray (4) is placed in a state where the recording medium (6) is not placed on the tray (4). ) Prevent it from moving forward.
The tray (4) has side walls (41) and (41) provided upright on both sides of a bottom plate (40) on which the recording medium (6) is placed, and a first protrusion (42) and a rear end from the front end of the side wall (41) The second protrusions (43), which are step axes, protrude outwardly from the portions. A stopper (44) is provided at the front end of the bottom plate (40) to prevent the recording medium (6) from moving too far forward. A window hole (45) is formed in the bottom plate (40), and a rack (46) and a push shaft (47) are provided in the window hole (45) so as to be lowered by one step. Plate springs (65) and (65) for pressing the recording medium (6) are provided at the upper end portions of the side walls (41) and (41), and the recording medium (6) is disposed inside the rear end of the side wall (41). A protruding shaft (48) that fits into the guide groove (63) is provided.
The auxiliary tray (5) has side walls (51) and (51) provided upright on both sides of the bottom plate (50) for receiving the recording medium (6), and a third protrusion (a step axis) from the front end of the side wall (51). 52) and the fourth protrusions (53) protrude outward from the rear end. A push piece (54) for pushing the rear end of the recording medium (6) is provided at the rear end of the bottom plate (50), and a fitting shaft (55) projects from the lower surface of the bottom plate (50). .
[0008]
On the back side of the bottom surface of the chassis (1), a circular drive cam (3) having a tooth surface (30) formed on the periphery is rotatably provided. The drive cam (3) is provided with an intermediate gear (95) and a worm (95). The motor (M) is driven via 96). The tooth surface (30) of the drive cam (3) meshes with the rack (46) of the tray (4).
FIG. 2 is a right side view of the side plate (10) of the chassis (1). The side plate (10) has a horizontal groove (12) into which the first protrusion (42), the second protrusion (43) of the tray (4) and the third protrusion (52) of the auxiliary tray (5) are fitted, and the auxiliary tray. A guide groove (13) into which the fourth protrusion (53) of (5) is fitted is provided. The second protrusion (43) is located behind the third protrusion (52). The guide groove (13) is provided with a first guide part (13a) inclined upward toward the front and a second guide part (13b) extending horizontally forward from the upper end of the first guide part (13a). It is.
[0009]
3A is a perspective view of the drive cam 3 as viewed from above, and FIG. 3B is a back view of the drive cam 3. A part of the drive cam (3) is formed in two steps over the thickness direction, the tooth surface (30) is in the lower half of the step portion (31), and the pitch circle of the tooth surface (30) is in the upper half. A cylindrical portion (32) having the same diameter as that of the cylindrical portion is formed. A tooth surface (30) is formed over the entire length in the thickness direction of the drive cam (3) at locations other than the step portion (31) of the drive cam (3). A cam groove (33) having an open end is formed on the upper surface of the drive cam (3), and the other end of the cam groove (33) forms an arc portion (34) concentric with the drive cam (3). is doing. A large tooth (35) and a recess (36) adjacent to the large tooth (35) are formed at one end of the cylindrical portion (32).
Projection pieces (37), (37), and (37) are formed on a part of the back surface of the drive cam (3), and the projection pieces (37) correspond to the rotation angle of the drive cam (3). 3) A detection switch (not shown) disposed below is pushed, and the recording medium (6) is completely ejected from the tray (4). The recording medium (6) is inserted into the second connector (7). The inserted insertion completion state is detected.
[0010]
(Recording medium insertion operation)
4 (a) to 4 (d) are right side views showing the operation of the tray (4) and the auxiliary tray (5) from the EJECT state to the insertion completion state, and FIGS. 5 (a) and 5 (b). FIG. 6 is a plan view of the above. In FIGS. 4B to 4D, the recording medium 6 is not shown for convenience of illustration. As shown in FIGS. 4 (a) to 4 (d), the auxiliary tray (5) is urged rearward by a tension spring (9) suspended between the side plate (10) of the chassis (1). Yes.
In the EJECT state shown in FIGS. 5 (a) and 4 (a), the rear end portion of the auxiliary tray (5) escapes downward from the transition path of the tray (4). Thereby, the recording medium (6) can be inserted into the tray (4) without being disturbed by the auxiliary tray (5). In the standby state of the tray (4), since the tray (4) and the auxiliary tray (5) are overlapped, the space for storing the tray (4) and the auxiliary tray (5) can be small.
[0011]
As shown in FIG. 4 (a), when the recording medium (6) is inserted into the tray (4) in the EJECT state, the recording medium (6) is inserted into the tray (4) and an insertion detection switch (not shown). Press to energize the motor (M). The guide groove (63) of the recording medium (6) is fitted into the protruding shaft (48) of the tray (4), and the recording medium (6) is guided to advance.
When the drive cam (3) rotates clockwise by energization of the motor (M), the tooth surface (30) of the drive cam (3) meshes with the rack (46), so the tray (4) moves forward. To do. As shown in FIG. 4 (b), as the tray (4) advances, the second protrusion (43) of the tray (4) pushes the third protrusion (52) of the auxiliary tray (5), and the auxiliary tray ( 5) is advanced against the tension spring (9). As shown in FIG. 4C, the auxiliary tray (5) is corrected so that the posture inclined with respect to the tray (4) is substantially horizontal, and the second guide portion (13b) of the guide groove (13) is corrected. ) Follow along.
[0012]
As shown in FIG. 5 (b), when the rack 46 and the drive cam 3 are disengaged, the push shaft 47 is fitted in the recess 36 of the drive cam 3, and the tray 4 ) Move forward. At this time, the opening of the cam groove (33) faces the fitting shaft (55) of the auxiliary tray (5).
Further, when the drive cam (3) rotates, the fitting shaft (55) is fitted into the cam groove (33), and the auxiliary tray (5) advances along the cam groove (33). The tray (4) is not moved by the drive cam (3) because the push shaft (47) is disengaged from the drive cam (3). The push piece (54) of the auxiliary tray (5) pushes the rear end of the recording medium (6), and the first connector (60) of the recording medium (6) and the second connector (7 on the chassis (1)). ). Since the recording medium (6) also pushes the stopper (44), the tray (4) is pushed forward.
[0013]
As shown in FIG. 4 (d), the third protrusion (52) of the auxiliary tray (5) is disengaged from the second protrusion (43) of the tray (4). The push piece (54) of the auxiliary tray (5) pushes the rear end of the recording medium (6), and the first connector (60) of the recording medium (6) and the second connector (7 on the chassis (1)). ) (See FIG. 1). Thereby, both the connectors (60) and (7) are securely fitted, and the possibility that the recording medium (6) is inadvertently detached from the connector (7) is eliminated. Further, as shown in FIG. 6, the fitting shaft (55) is fitted in the arc portion (34) of the cam groove (33) of the drive cam (3), and the rotational load applied to the drive cam (3) is varied. Therefore, even if the rotation angle of the drive cam (3) varies, the position of the auxiliary tray (5) does not shift. Furthermore, when the connectors (60) and (7) are pressure-bonded, the load for moving the auxiliary tray (5) increases, but the fitting shaft (55) is fitted in the cam groove (33), and the fitting shaft ( Since the distance from 55) to the center of the drive cam (3) is shorter than the radius of the drive cam (3), the auxiliary tray (5) can be easily moved by the drive cam (3). In particular, if the pressure angle with the cam groove (33) is reduced and the distance from the fitting shaft (55) to the center of the drive cam (3) is set short, the auxiliary tray (5) can be moved easily.
In this example, the tray (4) and the tooth surface (30) of the drive cam (3) are engaged, and the recording medium (6) is conveyed to the front end of the chassis (1). Next, the auxiliary tray (5) is pushed by the cam groove (33) of the drive cam (3), and the first connector (60) of the recording medium (6) and the second connector (7) on the chassis (1). Crimp the. That is, when the tray (4) is simply transported, the load applied to the drive cam (3) is small, so that the tray (4) and the tooth surface (30) of the drive cam (3) are engaged. When both connectors (60) and (7) are pressure-bonded, since the load applied to the drive cam (3) is large, the auxiliary tray (5) is moved using the cam groove (33). As a result, it is possible to switch between the operation of quickly moving the recording medium (6) with a light load by one drive cam (3) and the operation of moving the recording medium (6) powerfully even at a low speed. Appropriate operation according to the load during transportation can be performed. Further, if the tray (4) is moved only by the cam groove (33), the moving stroke of the tray (4) cannot be made larger than the radius of the drive cam (3), but the tray (4) at the tooth surface (30). By moving the auxiliary tray (5) with the cam groove (33), the stroke for conveying the recording medium (6) can be increased.
[0014]
When the recording medium (6) and the second connector (7) are disengaged, the tray (4) is retracted, and the recording medium (6) is ejected from the apparatus, the reverse operation is performed. That is, the cam groove (33) drives the auxiliary tray (5), the auxiliary tray (5) drives the tray (4), and the stopper (44) fits the recording medium (6) and the second connector (7). After removing the rack, the rack (46) of the tray (4) and the tooth surface (30) of the drive cam (3) mesh with each other to retract the tray (4). The auxiliary tray (5) is lowered along the guide groove (13) and does not disturb the backward movement of the tray (4).
[0015]
As shown in FIG. 8, a regulating member (8) that prevents the tray (4) on which the recording medium (6) is not placed from moving forward as it is may be provided at the front end of the tray (4) so as to be able to be raised and lowered. . The regulating member (8) is a kick that contacts the bottom plate (40) of the tray (4) at the lower end of the vertical plate (80) having a long hole (81) that fits into the first protrusion (42) of the tray (4). A piece (82) is provided and is biased upward by a spring (83). When the recording medium (6) is not placed on the tray (4), the upper end of the vertical plate (80) is located above the upper edge of the side plate (10), and the kicked piece (82) is placed on the tray (4). ) Protrudes from the bottom plate (40). If the tray (4) advances in this state, the upper end of the vertical plate (80) comes into contact with the restricting piece (11) (see FIG. 1) of the side plate (10), and the advance is restricted.
When the recording medium (6) is placed on the tray (4), the lower surface of the recording medium (6) is kicked and the piece (82) is pushed down against the spring (83) to lower the upper end of the vertical plate (80). The part retracts from the upper edge of the side plate (10). The tray (4) can move forward without being obstructed by the restricting piece (11).
[0016]
(Connector crimping)
FIG. 10 is a side sectional view showing a state immediately before the first connector (60) of the recording medium (6) placed on the tray (4) is fitted to the second connector (7). The projecting shaft (48) is fitted into the guide groove (63) of the recording medium (6), and the projecting shaft (48) is located at the rear end of the recording medium (6). The front end of the recording medium (6) is pressed downward by a leaf spring (65). That is, the front end of the recording medium (6) can fluctuate up and down around the protruding shaft (48). In the state shown in FIG. 10, the first connector (60) is located below the second connector (7).
When the tray (4) moves forward and the first connector (60) of the recording medium (6) contacts the second connector (7), the front end of the recording medium (6) faces upward by a guide mechanism such as chamfering of the inlet. And is smoothly fitted into the second connector (7) while correcting the deviation of the vertical position. The lower surface of the recording medium (6) is substantially parallel to the chassis (1), and the recording medium (6) is installed substantially horizontally. That is, the recording medium (6) fits smoothly into the second connector (7) by the configuration in which the front end of the recording medium (6) can move up and down around the protruding shaft (48).
[0017]
In the above example, the first connector (60) is initially positioned below the second connector (7), and the front end of the recording medium (6) is corrected upward by the positioning protrusion (70). However, the first connector (60) may initially be positioned on the upper side of the second connector (7), and the front end of the recording medium (6) may be corrected downward by the positioning protrusion (70).
Further, the recording medium (6) is guided upward or downward by a chamfering guide mechanism or the like, but this guiding structure is provided with a guide hole in the recording medium (6) and the second on the chassis (1). Positioning pins (not shown) that fit into the recording medium (6) may be provided at a location different from the connector (7). Further, a guide mechanism may be provided on the external shape of the recording medium (6) itself and the box (73) of the second connector (7).
[0018]
(Second embodiment)
In this example, as shown in FIGS. 11 (a) and 11 (b), a lifting protrusion (49) is provided on the rear bottom of the tray (4), and the front end of the recording medium (6) is faced downward. Tilt. The center part of the 1st connector (60) of the up-down direction is located below the center part of the up-down direction of the 2nd connector (7).
FIG. 11 (a) shows a state immediately before the first connector (60) of the recording medium (6) placed on the tray (4) is fitted to the second connector (7) in this example. It is side surface sectional drawing shown, Auxiliary tray (5) is not illustrated. FIG. 11B is a side sectional view showing a state in which the first connector 60 of the recording medium 6 is fitted to the second connector 7 in this example.
The front end of the recording medium (6) is pressed downward by a leaf spring (65). A lifting protrusion (49) is provided at the rear part of the tray (4), whereby the front end of the recording medium (6) is inclined downward.
When the tray (4) advances and the first connector (60) of the recording medium (6) comes into contact with the second connector (7), the recording medium (6) is guided by a guide mechanism by chamfering the inlet of the second connector (7). ) Is smoothly fitted into the second connector (7) as shown in FIG. 11 (b) while the front end is guided upward and the displacement of the vertical position is corrected. The lower surface of the recording medium (6) is substantially parallel to the chassis (1), and the recording medium (6) is installed substantially horizontally.
As shown in FIG. 12, the applicant has conceived that the two lifting protrusions (49) and (49) are provided on the tray (4) so as to be separated from each other right and left. One lifting protrusion (49) may be formed extending left and right. In this example, the guide groove (63) of the recording medium (6) and the projecting shaft (48) that fits into the guide groove (63) may not be provided.
[0019]
The above description of the embodiments is for explaining the present invention, and should not be construed as limiting the invention described in the claims or reducing the scope thereof. In addition, the configuration of each part of the present invention is not limited to the above embodiment, and various modifications can be made within the technical scope described in the claims.
[Brief description of the drawings]
FIG. 1 is an exploded plan view of an apparatus according to the present embodiment.
FIG. 2 is a right side view of a side plate of the chassis.
FIG. 3A is a perspective view of the drive cam as viewed from above, and FIG. 3B is a back view of the drive cam.
4A to 4D are right side views showing the operation of the tray and the auxiliary tray from the EJECT state to the insertion completion state. FIG.
FIGS. 5A and 5B are plan views showing operations of the tray and the auxiliary tray. FIGS.
FIG. 6 is a plan view showing the operation of the tray and the auxiliary tray.
FIG. 7 is a perspective view of a recording medium.
FIG. 8 is a perspective view in which a tray is partially broken.
FIG. 9 is a perspective view of a second connector.
FIG. 10 is a side sectional view showing a state immediately before the first connector of the recording medium placed on the tray is fitted to the second connector.
FIG. 11A is a side sectional view showing a state immediately before the first connector is fitted to the second connector in another embodiment, and FIG. 11B is a side view showing the first connector; It is side surface sectional drawing which shows the state fitted to the 2nd connector.
12 is a plan view of the tray in FIG. 11. FIG.
FIGS. 13A and 13B are plan views schematically showing a conventional recording or reproducing apparatus. FIGS.
[Explanation of symbols]
(1) Chassis
(4) Tray
(6) Recording medium
(7) Second connector
(10) Side plate
(48) Projection shaft
(49) Lifting protrusion
(60) First connector
(62) Mating hole
(63) Guide groove
(70) Positioning protrusion

Claims (2)

On the chassis (1), a connector (7) fitted to the front end of the recording medium (6), and a tray (4) for conveying the recording medium (6) in a direction approaching or separating from the connector (7). Is provided with a spring member for urging the front end of the recording medium (6) upward or downward on the tray (4), and the recording medium (6) or connector ( At least one of 7) is provided with a guide mechanism such as chamfering that leads to the connector (7) while correcting the orientation of the recording medium (6) before the recording medium (6) is fitted to the connector (7). And
From the tray (4) upright sidewall (41), from the side wall (41), is recessed in the side surface of the recording medium (6), the guide groove front end portion extending in the longitudinal opening (63) A projecting shaft (48) to be fitted is provided, and the recording medium ( 6 ) is kept in a state in which the front end portion can be rotated up and down around the projecting shaft (48) before being fitted to the connector ( 7 ) . A recording or reproducing apparatus characterized in that the fitting to the connector ( 7 ) is guided by a guide mechanism .  A lifting protrusion (49) for tilting the front end of the recording medium (6) downward is formed on the rear bottom of the tray (4), and the spring member urges the front end of the recording medium (6) downward. The recording medium (6) is tilted by the guide mechanism substantially horizontally while keeping the front end pivotable with the lifting projection (49) as a fulcrum before being fitted to the connector (7). The recording or reproducing device according to claim 1, wherein the fitting to the connector (7) is guided while being corrected.

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