JP3982207B2 - Sliding door moving mechanism and audio device equipped with sliding door moving mechanism - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a slide door moving mechanism for slidably moving a slide door in, for example, a vertical CD player, and an audio apparatus including such a slide door moving mechanism.
[0002]
[Prior art]
For example, a vertical CD player is provided with a slide door so as to cover the disc rotating portion, and the slide door can be opened and closed by being moved up and down along the vertical direction.
[0003]
11 and 12 are explanatory diagrams for explaining a conventional mechanism for moving the slide door. In particular, FIG. 11 is a cross-sectional view with the slide door closed, and FIG. 12 is a cross-sectional view with the slide door open, with some members shown in a transparent manner to better understand the internal structure. As shown in these drawings, a rack 200 and a pinion 300 are generally used as a slide door moving mechanism for moving the slide door 100. The sliding door 100 closes the disk rotating unit 110 at a position where the lower end 200A of the rack 200 meshes with the pinion 300, while the disk rotating unit 110 moves at a position where the upper end 200B of the rack 200 meshes with the pinion 300. Open state. That is, the moving stroke S of the slide door 100 is uniquely determined according to the length R of the rack 200.
[0004]
Incidentally, since the lower end portion 200A and the upper end portion 200B of the rack 200 require the allowances R1 and R1 with the pinion 300, the length R of the rack 200 is more than the moving stroke S of the slide door 100. The dimensions are slightly longer. Therefore, an internal space having a vertical dimension H in the vertical direction is secured in the housing 120 in consideration of the moving stroke S of the slide door 100 and the length R of the rack 200 that moves up and down.
[0005]
[Problems to be solved by the invention]
However, in the sliding door moving mechanism using the rack 200 and the pinion 300, as described above, it is necessary to secure an internal space having a vertical dimension H corresponding to the length R of the rack 200, and is subject to such dimensional restrictions. In the above, the size of the casing 120 cannot be reduced in the sliding direction, and the entire apparatus cannot be reduced in size.
[0006]
Further, since the rack 200 and the pinion 300 do not have a lock mechanism, the user can forcibly push down the slide door 100 by hand. Then, there is a possibility that the disk rotating unit 110 is opened and the disk D that is rotating at high speed may be touched by hand.
[0007]
Furthermore, in order to make the movement of the sliding door 100 excellent in quality, for example, after starting to move at a certain speed, a method of gradually decelerating from a middle position and finally stopping is used. However, of course, the rack 200 and the pinion 300 can consistently move only at a constant speed. Therefore, in order to change the movement of the slide door 100, in addition to the switch for detecting the movement stop position, a switch for detecting the deceleration position must be provided to change the rotation speed of the pinion 300 in the middle. In adopting such a configuration, an increase in cost could not be avoided.
[0008]
DISCLOSURE OF THE INVENTION
The present invention has been conceived under the circumstances described above, and enables downsizing of the entire apparatus, and realizes the movement of a sliding door that changes in quality and a reliable door lock at low cost. It is an object of the present invention to provide a slide door moving mechanism that can be used, and an audio device including the slide door moving mechanism.
[0009]
In order to solve the above problems, the present invention takes the following technical means.
[0010]
In other words, according to the first aspect of the present invention, there is provided a sliding door moving mechanism for moving the sliding door along a predetermined sliding direction, which is integrated with the sliding door and extends along the sliding direction of the sliding door. A slider frame that is freely movable, a guide groove that is provided on the slider frame and is formed in an elongated shape along a direction orthogonal to the sliding direction of the sliding door, and a distal end portion is guided by the guide groove. There is provided a slide door moving mechanism characterized by having a swinging arm that is rotatable around a part and a drive system that transmits a rotational driving force to the base end of the swinging arm.
[0011]
According to a preferred embodiment, the guide groove is formed by arranging two grooves that are followers for the respective tip portions of the two swing arms in series along the same straight line. The two oscillating arms are substantially half-rotated in opposite directions in accordance with the rotational driving force from the drive system while their respective tip portions are guided by the two guide grooves.
[0012]
According to another preferred embodiment, the two oscillating arms are arranged so that the rotation centers of their respective base ends are located on the same straight line parallel to the two guide grooves.
[0013]
According to another preferred embodiment, the guide groove is formed by arranging two grooves that are followers for the respective distal end portions of the two swing arms in an oblique manner with a certain parallel interval therebetween. Yes, the two swing arms are rotated approximately half in opposite directions in accordance with the rotational driving force from the drive system while their respective tip portions are guided by the two guide grooves.
[0014]
According to another preferred embodiment, the two oscillating arms are arranged such that a straight line connecting the rotation centers of the respective base ends forms an acute angle with a straight line parallel to the two guide grooves.
[0015]
According to another preferred embodiment, the guide groove is formed with a suitable end fold portion that is bent at the outer end portion as viewed as a whole.
[0016]
According to another preferred embodiment, the drive system includes an arm gear provided at each base end of two swing arms, a synchronous gear that connects the arm gears to each other and rotates in opposite directions, and rotates in both forward and reverse directions. A drive motor that freely generates a rotational drive force, and a reduction gear train that transmits the rotational drive force from the drive motor to either the synchronous gear or the arm gear while reducing the speed.
[0017]
According to another preferred embodiment, the slide door is reciprocated vertically up and down in conjunction with the rotation of the swing arm.
[0018]
According to the second aspect of the present invention, the audio device includes a slide door moving mechanism for moving the slide door along a predetermined sliding direction, and is integrated with the slide door. A slider frame that is movable along a direction, a guide groove that is provided on the slider frame and is formed in an elongated shape along a direction intersecting the sliding direction of the sliding door, and a leading end is guided by the guide groove, Sliding door movement characterized in that it has a swing door moving mechanism comprising a swing arm that is rotatable about a base end portion and a drive system that transmits a rotational driving force to the base end portion of the swing arm. An audio device with the mechanism is provided.
[0019]
According to a preferred embodiment, the sliding door is for covering a vertical disk rotating portion that rotates the audio disk in the vertical plane, and is vertically moved in conjunction with the rotational movement of the swing arm. It can be moved back and forth.
[0020]
According to the present invention, when the two swing arms are rotated, the distal ends of the swing arms are displaced in a circular arc while being guided by the guide grooves, and the slide door is moved together with the slider frame with the guide grooves as followers. Move in the sliding direction. In short, the rotational motion of the swing arm is converted into the linear motion of the slide door via the guide groove. For example, if the rotation radius from the base end portion to the tip end portion of the swing arm is substantially equivalent to half of the moving stroke of the slide door, the slide door moves to the uppermost position as the swing arm rotates approximately half. Move up and down in a straight line from At this time, the movement of the moving sliding door changes between a fast state and a slow state according to the relative positional relationship between the tip of the swing arm and the guide groove.
[0021]
Therefore, as the internal space, in addition to the moving space of the slider frame and the like, a space size that can rotate the swing arm is required. Since the entire mechanism including the moving arm can be sufficiently accommodated, the housing size can be reduced in the sliding direction without being restricted by dimensions, and the entire apparatus can be reduced in size.
[0022]
In addition, when the swing arm is stopped almost straight along the slide direction, the slide door is fixed by the degree of engagement between the guide groove and the tip of the swing arm, so it moves even if the slide door is moved by hand. There is no such thing, and a reliable door lock can be realized. In particular, when a good end fold is formed by bending the outer end portion of the guide groove as a whole, by positioning the tip of the swing arm along the end fold, The sliding door can be surely fixed.
[0023]
Furthermore, even if the rotation speed of the swing arm is constant, the movement of the sliding door changes depending on the relative positional relationship between the tip and the guide groove, so that the movement changes in the middle. The movement of a sliding door can be realized at low cost.
[0024]
Other features and advantages of the present invention will become more apparent from the following description of embodiments of the present invention with reference to the accompanying drawings.
[0025]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the drawings.
[0026]
FIG. 1 is an external perspective view showing an example of an audio apparatus according to the present invention. The audio apparatus A illustrated in this figure is configured as a vertical CD player, and includes a vertical disk rotating unit 11 for rotating the compact disk 1 in a vertical plane. A flat slide door 10 that can be opened and closed by moving up and down along the vertical direction is provided on the front surface of the disk rotating unit 11. The slide door 10 is entirely or partially transparent so that the compact disk 1 can be seen from the outside in the disk rotating part 11. Of course, the sliding door 10 may be opaque and does not have characteristics in its own characteristics or structure. In order to move the slide door 10 up and down along the vertical direction, a slide door moving mechanism (not shown) is built in the housing 12 of the audio apparatus A. The slide door 10 is a rail along the vertical direction. The slide door moving mechanism is assembled through the grooves 13 and 13. Hereinafter, the sliding door moving mechanism will be described in detail with reference to the drawings.
[0027]
One embodiment of the sliding door moving mechanism according to the present invention is shown in FIGS. 2 and 3. FIG. 2 is a side sectional view showing the internal structure of the sliding door moving mechanism from the side, and FIG. It is the back sectional view showing the internal structure of a slide door moving mechanism from back. In FIGS. 2 and 3, some members are shown in a transparent manner so that the internal structure can be clearly understood, and some members or parts are omitted for convenience. As shown in these drawings, the sliding door moving mechanism is configured with respect to the sliding door 10, the slider frame 20, the two guide grooves 21 and 22, the two swing arms 31 and 32, and the two swing arms 31 and 32. And a drive system 40 that transmits a rotational drive force.
[0028]
The slider frame 20 is integrated with the slide door 10 and is movable along the slide direction in which the slide door 10 moves up and down. More specifically, the slider frame 20 is fixed to the left and right side portions of the slide door 10 through rail grooves 13 and 13 (not shown in FIGS. 2 and 3), and further, the slider frame 20 does not interfere with the disk rotating portion 11 without interfering with it. It has a frame center portion 20A that is integrally formed extending in the left-right direction at the back.
[0029]
The two guide grooves 21 and 22 are formed in the frame center portion 20A of the slider frame 20 so as to be elongated in the left-right direction, and are arranged in series along the same straight line. Further, the guide grooves 21 and 22 are formed with end-folded portions 21A and 22A that are slightly bent downward at the outer end portion as viewed as a whole. Note that the guide grooves 21 and 22 are not formed with openings, but may be formed with flanges.
[0030]
The two swinging arms 31 and 32 are connected to the guide grooves 21 and 22 so that the tip portions 31A and 32A follow the crank pins 31B and 32B, and the base ends 31C and 32C are connected to the rotation centers 31D and 32D. It is supported rotatably as a fulcrum. More specifically, the two swing arms 31 and 32 are separated from the drive system 40 while the crank pins 31B and 32B fixed to the tip portions 31A and 32A slide along the two guide grooves 21 and 22, respectively. They are arranged symmetrically so that they can be rotated approximately half in opposite directions according to the rotational driving force. Therefore, the rotation centers 31D and 32D of the base end portions 31C and 32C in the swing arms 31 and 32 are located on the same straight line parallel to the two guide grooves 21 and 22. The rotation radius of the swing arms 31 and 32 extending from the rotation centers 31D and 32D of the base end portions 31C and 32C to the crank pins 31B and 32B of the distal end portions 31A and 32A is almost half of the moving stroke of the slide door 10. It is considered to be considerable. Further, the bent end portions 21A and 22A of the guide grooves 21 and 22 are set to have a rotation radius of the swing arms 31 and 32 so as to coincide with a locus drawn by the crank pins 31B and 32B when the swing arms 31 and 32 rotate. It is partially curved with almost the same radius of curvature. Thereby, in a state where the crank pins 31B and 32B are positioned along the end bent portions 21A and 22A, the slider frame 20 does not move up and down even when an external force is applied to the slide door 10. In particular, with reference to FIG. 3, the left swing arm 31 is substantially half-clockwise rotated from the state in which the distal end portion 31A is positioned at the uppermost position and the distal end portion 31A is positioned at the lowermost position. On the other hand, the swing arm 32 on the right side is from the state in which the tip end portion 32A is positioned at the uppermost position to the state in which the tip end portion 32A is positioned at the lowermost position by rotating approximately half counterclockwise. It can be rotated. The swing arms 31 and 32 on both the left and right sides have different rotation directions, but the rotation speed and the rotation angle are the same.
[0031]
The drive system 40 includes base end portions 31C of the swing arms 31 and 32, 32C Arm gears 41 and 42 formed on the outer periphery of the motor, two synchronous gears 43 and 44 that connect these arm gears 41 and 42 to each other and rotate in opposite directions, and a drive motor that generates rotational driving force so as to be rotatable in both forward and reverse directions. M, and a belt 45, a pulley gear 46, two reduction gears 47, 48, and the like as a reduction gear train that transmits the rotational driving force from the drive motor M to one of the synchronous gears 43 while decelerating. In particular, with reference to FIG. 3, in the drive system 40, when the drive motor M rotates clockwise, the pulley gear 46 also rotates clockwise via the belt 45, and the reduction gear 47 meshing with the pulley gear 46 is provided. The other reduction gear 48 that rotates counterclockwise and meshes with the reduction gear 47 rotates clockwise, and the left synchronization gear 43 that meshes with the reduction gear 48 rotates counterclockwise. The left swing arm 31 rotates clockwise by engaging 41. At the same time, the right synchronization gear 44 rotates clockwise by meshing with the left synchronization gear 43, and the right swing arm 32 rotates counterclockwise by meshing the synchronization gear 44 and the arm gear 42. Designed to be Of course, when the drive motor M rotates counterclockwise, the swing arms 31 and 32 on both the left and right sides rotate simultaneously in the opposite direction. The rotation direction of the drive motor M is switched according to a signal from a switch (not shown) that detects the movement stop position of the slide door 10.
[0032]
Next, the operation of the sliding door moving mechanism will be described with reference to FIGS. 2 and 3 as well as other drawings.
[0033]
4 to 7 are explanatory views for explaining a series of movements in the sliding door moving mechanism. 2 and 3 described above correspond to the state in which the slide door 10 is closed, and FIGS. 4 and 5 correspond to the state in which the slide door 10 is opened almost halfway during the movement, FIG. 6 and FIG. FIG. 7 is a view corresponding to a state in which the slide door 10 is fully opened. Of these figures, FIG. 3, FIG. 5 and FIG.
[0034]
First, as shown in FIG. 3, when the slide door 10 is in a state in which the disk rotating unit 11 is completely closed, the swing arms 31 and 32 on both the left and right sides are respectively 11:55 on a watch. The drive motor M is in a state where it has stopped at a position generally indicating 12: 5, and the drive motor M has stopped rotating. At this time, since the crank pins 31B and 32B enter the end bent portions 21A and 22A of the guide grooves 21 and 22, the swing arms 31 and 32 are securely held.
[0035]
That is, the sliding door 10 is moved downward by hand, for example, from the degree of engagement between the end bent portions 21A and 22A of the guide grooves 21 and 22 and the crank pins 31B and 32B at the end portions 31A and 32A of the swing arms 31 and 32. Even if it does so, the rocking | fluctuating arms 31 and 32 will not move in the state which the slide door 10 was fixed, without rotating.
[0036]
Next, when the drive motor M rotates clockwise from the state of FIG. 3, a driving force that rotates in a predetermined direction is applied to the swing arms 31 and 32 on both the left and right sides, and the tips of the swing arms 31 and 32 are applied. The portions 31A and 32A try to move obliquely downward. Then, the crank pins 31B and 32B at the tip portions 31A and 32A begin to gradually slide along the guide grooves 21 and 22, and the slider frame 20 starts to move downward using the guide grooves 21 and 22 as followers. Therefore, the slide door 10 integrated with the slider frame 20 also starts to move downward.
[0037]
Immediately after the start of such movement, the amount of movement in the left and right direction along the guide grooves 21 and 22 of the crank pins 31B and 32B is larger than the amount of movement in the up and down direction. Then, the slide door 10 starts to descend slowly.
[0038]
Further, when the drive motor M rotates clockwise and the swing arms 31 and 32 on the left and right sides are in the middle of rotation at the passing positions indicating 3 o'clock and 9 o'clock, respectively, as shown in FIG. , 32A, the crank pins 31B, 32B are brought closest to each other along the guide grooves 21, 22. At this time, the swing arms 31 and 32 rotate at a constant rotational speed. However, since the amount of movement of the crank pins 31B and 32B in the vertical direction is maximized, the travel speed of the slide door 10 is also maximized. The slide door 10 descends at the fastest speed.
[0039]
When the drive motor M further rotates clockwise and the swing arms 31 and 32 on the left and right sides rotate, the amount of movement of the crank pins 31B and 32B gradually decreases, so the moving speed of the slide door 10 gradually increases. The sliding door 10 descends while slowly decelerating.
[0040]
Finally, as shown in FIG. 7, when the swing arms 31 and 32 on both the left and right sides reach a position indicating approximately 6 o'clock, the crank pins 31B and 32B again become the end bent portions 21A and 21A of the guide grooves 21 and 22, respectively. The movement of the slide door 10 stops in a state where the swing arms 31 and 32 are securely held. Thereby, the slide door 10 will be in the state which opened the disk rotation part 11 completely.
[0041]
The series of operations described above is accompanied by lowering the slide door 10 from the closed state to the open state. Conversely, when the slide door 10 is raised from the open state to the closed state. Therefore, the above-described series of operations may be reversed.
[0042]
Therefore, according to the sliding door moving mechanism, as clearly shown in FIGS. 2 to 7, the space in which the slider frame 20 can move and the installation space such as the drive system 40 are included in the internal space of the housing 12. In addition, a sufficient space for the swing arms 31 and 32 to rotate can be secured. Therefore, even if the internal space is cut as much as possible in the vertical direction and the minimum dimension H1 (see FIG. 3) is obtained, all the parts including the swing arms 31 and 32 can be sufficiently accommodated in the internal space, which is subject to size restrictions. Therefore, the size of the housing 12 can be reduced in the vertical direction, and the audio device A as a whole can be reduced in size.
[0043]
Further, when the swing arms 31 and 32 are stopped, the slide door 10 is fixed due to the engagement between the end bent portions 21A and 22A of the guide grooves 21 and 22 and the crank pins 31B and 32B. Even if the door 10 is moved up and down by hand, it does not move, and a reliable door lock can be realized.
[0044]
Further, even if the rotational speed of the drive motor M is kept constant so that the rotational speeds of the swing arms 31 and 32 are kept constant, the moving speed of the slide door 10 becomes low immediately after the start of movement or immediately before the movement is stopped. In the state of moving almost in the middle of the stroke, the moving speed becomes high. That is, since the moving speed of the slide door 10 fluctuates according to the relative positional relationship between the swing arms 31 and 32 and the guide grooves 21 and 22, the motion of the slide door 10 having a change in quality is controlled by the swing arm. It can be realized at low cost only by a mechanical mechanism such as 31, 32.
[0045]
Furthermore, another embodiment of the sliding door moving mechanism according to the present invention will be described.
[0046]
As another embodiment of the slide door moving mechanism according to the present invention, a basic form is shown in FIG. 8, but the slide door moving mechanism shown in this figure is similar to the previous embodiment in the audio device A of FIG. It shall be built in. FIG. 8 is a rear sectional view showing the internal structure of the sliding door moving mechanism from the rear as another embodiment of the present invention. In FIG. 8, some members are shown in a transparent manner so that the internal structure can be clearly understood, and some members or portions are omitted for convenience. Further, members or portions that are the same as those of the previous embodiment are denoted by the same reference numerals and description thereof is omitted.
[0047]
As shown in FIG. 8, the sliding door moving mechanism according to another embodiment includes a sliding door 10, a slider frame 20, two guide grooves 51 and 52, two swing arms 31, 32, and two swing arms. A drive system 60 that transmits a rotational driving force to the motors 31 and 32 is schematically configured.
[0048]
The two guide grooves 51 and 52 are formed in the frame center portion 20A of the slider frame 20 so as to be elongated in the left-right direction, but obliquely upper left and lower right with a certain parallel interval P between each other. The form is arranged side by side. Further, the guide grooves 51 and 52 are formed with end-folded portions 51A and 52A that are slightly bent toward the lower side at the outer end portions as a whole. These end bent portions 51A and 52A are also partially set to have the same radius of curvature as the rotation radius of the swing arms 31 and 32 so as to coincide with the locus drawn by the crank pins 31B and 32B when the swing arms 31 and 32 rotate. Is curved. Thus, in a state where the crank pins 31B and 32B are positioned along the end bent portions 51A and 52A, the slider frame 20 does not move up and down even when an external force is applied to the slide door 10.
[0049]
The two swing arms 31 and 32 are substantially the same as in the previous embodiment, but a straight line L1 connecting the rotation centers 31D and 32D of the base end portions 31C and 32C is a straight line parallel to the guide grooves 51 and 52. They are arranged so as to be biased toward the upper left side and the lower right side so as to form an acute angle with L2.
[0050]
The drive system 60 partially corresponds to the previous embodiment, but the base end portions 31C of the swing arms 31 and 32, 32C Arm gears 61 and 62 formed on the outer periphery of the motor, two synchronous gears 63 and 64 that connect the arm gears 61 and 62 to each other and rotate in opposite directions, and a drive motor that generates rotational driving force so as to be rotatable in both forward and reverse directions. M, and a belt 45, a pulley gear 46, and two reduction gears 47 and 48 as a reduction gear train that transmits the rotational driving force from the drive motor M to the one arm gear 61 while reducing the rotational driving force. More specifically, in the drive system 60, when the drive motor M rotates counterclockwise, the pulley gear 46 also rotates counterclockwise via the belt 45, and the reduction gear 47 meshing with the pulley gear 46 is rotated clockwise. The other reduction gear 48 meshing with the reduction gear 47 rotates counterclockwise, and when the reduction gear 48 meshes with the left arm gear 61, the left swing arm 32 rotates clockwise. To do. At the same time, the left synchronization gear 63 meshing with the arm gear 61 rotates counterclockwise, the right synchronization gear 64 meshing with the synchronization gear 63 rotates clockwise, and the synchronization gear 64 and the right arm gear 62 Is designed so that the right swing arm 32 rotates counterclockwise.
[0051]
In the other embodiments, the series of movements are substantially the same as those in the previous embodiment except that the rotation direction of the drive motor M is reversed. Therefore, in addition to FIG. Is simply shown and its description is omitted.
[0052]
Therefore, according to the sliding door moving mechanism according to another embodiment, FIGS. clearly As shown, the two swing arms 31 and 32 can be rotated without interfering with each other, and the same effect as in the previous embodiment can be obtained.
[0053]
In particular, as shown in FIG. 10, with respect to the rotation centers 31D and 32D of the base ends 31C and 32C of the swing arms 31 and 32, the center-to-center distance C1 separated along the left-right direction is the same as that of the previous embodiment. Is shorter than the center-to-center distance C shown in FIG. 6, the internal space can be cut down in the left-right direction to reduce the size of the housing 12, and the audio device A as a whole can be further reduced in size.
[0054]
The present invention is not limited to the above-described embodiments.
[0055]
The audio device A is not limited to a CD player, and may be a player such as a DVD or MD. Broadly speaking, the slide door moving mechanism is not limited to the audio device A, and the front surface of an operation unit of another electronic device. It is good also as a thing for opening and closing the sliding door provided.
[0056]
The sliding door moving mechanism may be designed to move the sliding door 10 not only in the vertical direction but also in the horizontal direction or the horizontal direction. Of course, contrary to the above embodiments, the sliding door 10 may be configured to be opened when it is raised and closed when it is lowered.
[0057]
The two guide grooves 21 and 22 shown in FIG. 3, FIG. 5 and FIG. 7 are arranged in series along the same straight line as each other, but as one guide groove in a form in which these are continuous. Also good.
[Brief description of the drawings]
FIG. 1 is an external perspective view showing an example of an audio apparatus according to the present invention.
FIG. 2 is a side sectional view showing the internal structure of the sliding door moving mechanism from the side as an embodiment of the present invention.
FIG. 3 is a rear sectional view showing the internal structure of the sliding door moving mechanism from the rear as an embodiment of the present invention.
FIG. 4 is an explanatory diagram for explaining a series of movements in a sliding door moving mechanism.
FIG. 5 is an explanatory diagram for explaining a series of movements in the sliding door moving mechanism.
FIG. 6 is an explanatory diagram for describing a series of movements in the sliding door moving mechanism.
FIG. 7 is an explanatory diagram for explaining a series of movements in the sliding door moving mechanism.
FIG. 8 is a rear sectional view showing the internal structure of the sliding door moving mechanism as another embodiment, as another embodiment of the present invention.
FIG. 9 is a state diagram showing an operation state according to another embodiment.
FIG. 10 is a state diagram showing an operation state according to another embodiment.
FIG. 11 is an explanatory diagram for explaining a conventional mechanism for moving a sliding door.
FIG. 12 is an explanatory diagram for explaining a conventional mechanism for moving a sliding door.
[Explanation of symbols]
A Audio device
1 Compact disc
10 Sliding door
11 Disc rotating part
12 Case
20 Slider frame
21, 22 guide groove
21A, 22A Folded part
31, 32 Swing arm
31A, 32A Tip
31B, 32B Crank pin
31C, 32C Base end
31D, 32D Center of rotation
40 Drive system
41, 42 Arm gear
43,44 Synchronous gear
M drive motor
45 belts
46 pulley gear
47, 48 Reduction gear
51, 52 Guide groove
51A, 52A Folded part
60 Drive system
61, 62 Arm gear
63,64 Synchronous gear

Claims (10)

A sliding door moving mechanism for moving the sliding door along a predetermined sliding direction,
A slider frame integrated with the sliding door and movable along the sliding direction of the sliding door;
A guide groove provided in the slider frame and formed in an elongated shape along a direction intersecting the sliding direction of the sliding door;
A rocking arm whose distal end is guided in the guide groove and rotatable about the proximal end;
A drive system for transmitting a rotational drive force to the base end of the swing arm;
A sliding door moving mechanism characterized by comprising: The guide groove is formed by arranging two grooves that are followers for the respective tip portions of the two swing arms in series along the same straight line, and the two swing arms are The sliding door moving mechanism according to claim 1, wherein each of these front end portions is guided by the two guide grooves and is substantially half-rotated in opposite directions in accordance with a rotational driving force from the driving system. The slide door moving mechanism according to claim 2, wherein the two swing arms are arranged such that the rotation centers of the respective base end portions are located on the same straight line parallel to the two guide grooves. The guide groove is formed by arranging two grooves, which are followers for respective tip portions of the two swing arms, in an oblique manner with a certain parallel interval between the two swing arms. The slide door moving mechanism according to claim 1, wherein each of these front end portions is substantially half-rotated in opposite directions according to a rotational driving force from the drive system while being guided by the two guide grooves. 5. The sliding door movement according to claim 4, wherein the two swing arms are arranged such that a straight line connecting the rotation centers of the respective base end portions forms an acute angle with a straight line parallel to the two guide grooves. mechanism. The sliding door moving mechanism according to any one of claims 1 to 5, wherein the guide groove is formed with an end bent portion that is bent at an outer end portion as viewed as a whole. The drive system generates an arm gear provided at each base end portion of the two swing arms, a synchronous gear that connects the arm gears to each other and rotates in opposite directions, and a rotational drive force that is rotatable in both forward and reverse directions. The sliding door moving mechanism according to any one of claims 2 to 6, comprising a drive motor and a reduction gear train that transmits a rotational driving force from the drive motor to either the synchronous gear or the arm gear while reducing the speed. The slide door moving mechanism according to any one of claims 1 to 7, wherein the slide door is reciprocated vertically in the vertical direction in conjunction with the rotation operation of the swing arm. An audio device including a sliding door moving mechanism for moving the sliding door along a predetermined sliding direction,
A slider frame integrated with the sliding door and movable along the sliding direction of the sliding door;
A guide groove provided in the slider frame and formed in an elongated shape along a direction intersecting the sliding direction of the sliding door;
A rocking arm whose distal end is guided in the guide groove and rotatable about the proximal end;
A drive system for transmitting a rotational drive force to the base end of the swing arm;
An audio apparatus provided with a sliding door moving mechanism, characterized in that the sliding door moving mechanism is included. The sliding door is for covering a vertical disk rotating unit that rotates an audio disk in a vertical plane, and is reciprocated vertically up and down in conjunction with the rotation operation of the swing arm. An audio device comprising the sliding door moving mechanism according to Item 9.

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