JP4212265B2 - 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]
11 (a) and 11 (b) are plan views showing simplified conventional recording or reproducing devices (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]
If the first connector (60) and the second connector (7) are inadvertently disconnected, information cannot be recorded or reproduced on the recording medium (6), so that both the connectors (60) and (7) are securely fitted. It is necessary. For this reason, it is necessary that the fitting force of both the connectors (60) and (7) is strong.
An object of the present invention is to securely fit a connector of a recording medium to a connector inside the apparatus.
[0004]
[Means for solving the problems]
An auxiliary tray (5) is connected to the tray (4) that conveys the recording medium (6) toward or away from the connector (7), and the auxiliary tray (5) is connected to the tray (4). A pressing piece (54) for pressing the recording medium (6) toward the connector (7) is provided.
The chassis (1) has a pressure-bonding mechanism that moves the auxiliary tray (5) toward the connector (7) in a state where the recording medium (6) is conveyed to the position facing the connector (7) by the tray (4). The recording medium (6) is pushed into the connector (7) by the pressing piece (54) by the pressure-bonding mechanism.
The chassis (1) is provided with a guide mechanism for allowing the auxiliary tray (5) to escape below the transition path of the tray (4) without the recording medium (6) being inserted into the tray (4).
[0005]
[Action and effect]
When the recording medium (6) is conveyed to a position facing the connector (7) by the tray (4), the pressure-bonding mechanism is activated, and the recording medium (6) is pushed by the pushing piece (54) of the auxiliary tray (5). Is pressed against the connector (7) with a strong force. As a result, the recording medium (6) is securely connected to the connector (7).
Further, the auxiliary tray (5) escapes downward from the transition path of the tray (4) in a state where the recording medium (6) is not inserted into the tray (4) by the guide mechanism. Thus, the recording medium (6) can be inserted into the tray (4) without being disturbed by the auxiliary tray (5), and the tray (4) and the auxiliary tray (5) overlap in the standby state of the tray (4). Therefore, the space for storing the tray (4) and the auxiliary tray (5) can be small.
[0006]
DETAILED DESCRIPTION OF THE INVENTION
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 contact piece row (61) in which a large number of electrical contact pieces are arranged side by side. 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).
[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 ends of the side walls (41) and (41).
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).
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. Further, since both connectors (60) and (7) are pressure-bonded, the load for moving the tray (4) is increased, but the fitting shaft (55) is fitted in the cam groove (33). Since the distance from 55) to the center of the drive cam (3) is shorter than the radius of the drive cam (3), the load applied to the drive cam (3) can be reduced.
In this example, the tray (4) and 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) has only to be transported, the load applied to the drive cam (3) is small, so the tray (4) and the tooth surface (30) of the drive cam (3) are engaged. When the connectors (60) and (7) are pressure-bonded, the cam groove (33) is used because the load applied to the drive cam (3) is large. As a result, the operation of quickly moving the tray (4) with a light load by one drive cam (3) and the operation of moving the tray (4) powerfully even at a low speed can be switched. Can work properly. If the tray (4) is moved only by the cam groove (33), the moving stroke of the tray (4) cannot be increased beyond the radius of the drive cam (3), but the tooth surface (30) and the cam groove (33) The moving stroke of the tray (4) can be increased by moving the tray (4).
[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 third protrusion (52) of the auxiliary tray (5) pushes the second protrusion (43) of the tray (4), and the stopper (44) After the recording medium (6) and the second connector (7) are disengaged, the rack (46) of the tray (4) and the tooth surface (30) of the drive cam (3) are engaged to disengage the tray (4). Retreat. 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]
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.
FIGS. 11A and 11B are plan views schematically showing a conventional recording or reproducing apparatus. FIGS.
[Explanation of symbols]
(1) Chassis
(3) Drive cam
(4) Tray
(5) Auxiliary tray
(6) Recording medium
(7) Second connector
(10) Side plate
(54) Push piece

Claims (3)

On the chassis (1), a connector (7) that is electrically engaged with the recording medium (6), and a tray (4) that conveys the recording medium (6) toward or away from the connector (7). In a recording or reproducing apparatus provided with
The auxiliary tray (5) is connected to the tray (4), and the auxiliary tray (5) has a pressing piece (54) for pressing the recording medium (6) on the tray (4) toward the connector (7). Provided,
The chassis (1) has a pressure-bonding mechanism that moves the auxiliary tray (5) toward the connector (7) in a state where the recording medium (6) is conveyed to the position facing the connector (7) by the tray (4). The recording or reproducing apparatus is characterized in that the recording medium (6) is pushed into the connector (7) by the pressing piece (54) by the pressure-bonding mechanism. The chassis (1) is provided with a guide mechanism for escaping the auxiliary tray (5) downward from the transition path of the tray (4) without the recording medium (6) being inserted into the tray (4). The recording or reproducing device described. The guide mechanism comprises a guide groove (13) established in a side plate (10) erected from the chassis (1), and the crimping mechanism comprises a drive cam (3) for driving the auxiliary tray (5). 2. The recording or reproducing apparatus according to 2.

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