JP3585079B2 - Tray positioning method and device in tray-equipped device - Google Patents

Description

[0001]
TECHNICAL FIELD OF THE INVENTION
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a method and a device for positioning a tray in a device with a tray such as a CD player, and more particularly to a method and a device for positioning a tray in a device with a tray capable of accurately positioning the tray entrance / exit and the tray. It is.
[0002]
[Prior art]
FIG. 5 is a perspective view of a conventional single CD player 90 before the tray assembly 22 is attached to the player main body 12. In the single CD player 90, elements corresponding to the elements of the embodiment of the present invention described later are designated by the same reference numerals, and the description will focus on the main points. The tray assembly 22 includes components such as a mechanical chassis 24 and a tray 26, and the main body panel 16 has a tray access opening 18 and is fixed to a front end of the main body chassis 14. A total of four circular bosses 92 are protruded at predetermined locations on the upper surface of the main body chassis 14, and the tray assembly 22 is mounted on the main body chassis 14 such that each circular hole 94 of the mechanical chassis 24 fits into each circular boss 92. After being placed, it is fastened to the main body chassis 14 by screws 64.
[0003]
[Problems to be solved by the invention]
Since the tray 26 needs to move in the front-back direction and enter and exit through the tray access opening 18, the positioning between the tray access opening 18 and the tray 26 requires accuracy. However, in the conventional single CD player 90, a large number of components are interposed between the mechanical chassis 24 and the tray 26 in the tray assembly 22, and the component dimensional errors and assembly errors are accumulated. The position of each other is getting worse.
[0004]
SUMMARY OF THE INVENTION It is an object of the present invention to provide a tray positioning method and apparatus in a tray-equipped device that can accurately position the tray access opening and the tray with respect to each other.
[0005]
[Means for Solving the Problems]
In the tray-equipped device (10) to which the tray positioning method of the present invention is applied, the main body (12) includes a main body chassis (14) and a main body panel (16) fixed to each other. The tray assembly (22) has a tray (26) that can be freely protruded out of the tray access opening (18) of the main body panel (16) by moving in a predetermined linear direction, and a tray (26) extending in the tray moving direction. And a guide member (32, 34) fixed to the mechanical chassis (24) and guiding the shaft member (28, 30) in the tray moving direction. The mechanical chassis (24) is fixed to the main body (12). And in the tray positioning method of this invention,
Protrusions (42) and recesses (46) that can be fitted to each other by relative movement in the tray movement direction are provided in advance on one and the other of the facing portions of the guide member (32, 34) and the main body panel (16). Every
The convex portion (42) is fitted into the concave portion (46),
The mechanical chassis (24) is fixed to the main body (12) while maintaining this fitting.
[0006]
The tray-equipped device (10) moves a tray, such as an LD player, a multi-CD player, an MD player, a CD-ROM drive, and a horizontal loading cassette, in a linear direction such as a horizontal direction and a vertical direction, in addition to a single CD player. And any device with a tray that can be put in and out through the tray entry and exit opening. Further, providing the convex portion (42) and the concave portion (46) on one and the other of the opposing portions of the guide member (32, 34) and the main body panel (16) means that the convex portion (42) and the concave portion (46) are provided. , May be provided on the guide member (32, 34) and the main body panel (16), respectively, or may be provided on the main body panel (16) and the guide member (32, 34), respectively. The cross-sectional shapes of the protrusion (42) and the recess (46) include circular and non-circular. If the cross-sectional shape of the convex portion (42) and the concave portion (46) is circular, positioning in the circumferential direction is not performed, so that two or more pairs of the convex portion (42) and the concave portion (46) are required. . When the number of pairs of the projections (42) and the depressions (46) is two or more, the projections (42) and the depressions (46) of the first pair are provided on the guide members (32, 34) and the main body panel (16), respectively. The second pair of convex portions (42) and concave portions (46) may be provided on the main body panel (16) and the guide members (32, 34), respectively.
[0007]
According to the tray positioning method in another tray-equipped device (10) of the present invention, the opposing portions of the guide members (32, 34) provided with the convex portions (42) or the concave portions (46) and the main body panel (16) are flat. The mechanical chassis (24) is fixed to the main body (12) by mutually abutting the planes in the tray moving direction.
[0008]
According to the tray-equipped device (10) to which the tray positioning device of the present invention is applied, the main body (12) includes the main body chassis (14) and the main body panel (16) fixed to each other. The tray assembly (22) has a tray (26) that can be freely protruded out of the tray access opening (18) of the main body panel (16) by moving in a predetermined linear direction, and a tray (26) extending in the tray moving direction. And a guide member (32, 34) fixed to the mechanical chassis (24) and guiding the shaft member (28, 30) in the tray moving direction. The mechanical chassis (24) is fixed to the main body (12). The tray positioning device of the present invention has the following elements (a) and (b).
(A) A convex portion (42) and a concave portion (46) which are respectively provided on one and the other of the facing portions of the guide member (32, 34) and the main body panel (16) and are fitted to each other by relative movement in the tray moving direction.
(B) fixing means (56, 64) for fixing the mechanical chassis (24) to the main body (12) while maintaining the fitting of the convex portion (42) and the concave portion (46).
[0009]
According to the tray positioning device of the tray-equipped device (10) of the present invention, the guide member (32, 34) provided with the convex portion (42) or the concave portion (46) and the opposing portion of the main body panel (16) are flat. It is. The fixing means (56, 64) fixes the mechanical chassis (24) to the main body (12) while maintaining the flat surfaces of the opposing portions of the guide member (32, 34) and the main body panel (16) against each other. Things.
[0010]
The guide members (32, 34) and the main body panel (16) are accurately positioned relative to each other in a direction perpendicular to the tray moving direction due to the fitting of the protrusions (42) and the recesses (46). Since the shaft member (28, 30) is integral with the tray (26), the result, the positioning between each other for the direction perpendicular to the tray out opening (18) and the tray (26) is a tray movement direction Be accurate. Further, the guide members (32, 34) and the main body panel (16) are accurately positioned relative to each other in the tray moving direction by abutting the opposing flat surfaces. Since the shaft members (28, 30) are integral with the tray (26), as a result, the tray access opening (18) and the tray (26) in the tray movement direction can accurately position each other in the tray movement direction. Is done.
[0011]
According to the tray positioning device in the tray-equipped device (10) of the present invention, the fool holes (52, 66) and the screw holes (60, 70) are provided on one and the other of the mechanical chassis (24) and the main body (12), respectively. Provided. A screw member (56, 64) serving as a fixing means (56, 64) is inserted into the idiot hole (52, 66) and screwed into the screw hole (60, 70) at the tip end, and the mechanical chassis (24) And the body (12) are fastened together.
[0012]
When the fool holes (52, 66) are provided in the mechanical chassis (24), the screw members (56, 64) pass through the fool holes (52, 66), and then the main body (12) at the distal end. and screwed into the threaded holes (60, 70), mutually securing the mechanical chassis (24) and body (12). When the fool holes (52, 66) are provided in the main body (12), the screw members (56, 64) pass through the fool holes (52, 66), and then the mechanical chassis (24) at the distal end portion. And the mechanical chassis (24) and the main body (12) are mutually fastened.
[0013]
An error in the relative positions of the main body (12) and the mechanical chassis (24) due to the positioning between the tray entrance / exit opening (18) and the tray (26) is caused by the screw member (56) in the stupid hole (52, 66). , 64).
[0014]
According to the tray positioning device in the tray-equipped device (10) of the present invention, the shaft members (28, 30) further include two shafts (28) extending along the left and right sides of the tray (26). , 30), and the guide members (32, 34) are bearings (32, 34) for slidably supporting the shafts (28, 30) in the tray moving direction.
[0015]
The two guide members (32, 34) are present at the positions of the tray (26) that are maximally opened in the width direction, and the guide members (32, 34) and the main body panel (32) are located at the positions of the guide members (32, 34). Since the mutual positioning of 16) is performed, the positioning accuracy is improved.
[0016]
BEST MODE FOR CARRYING OUT THE INVENTION
Hereinafter, embodiments of the present invention will be described with reference to the drawings.
FIGS. 1, 2, 3, and 4 are a plan view, a front view, a left side view, and a right side view of the single CD player 10, respectively. The player main body 12 includes a main body chassis 14 as a bottom plate, a main body panel 16 fixed to a front end of the main body chassis 14 and standing upright, and an upper end mounted at four corners on the lower surface side of the main body panel 16 to form a single CD player 10. It has four legs 20 that support the weight of the vehicle.
[0017]
The tray assembly 22 includes components such as a mechanical chassis 24 as a substrate and a tray 26 assembled to the mechanical chassis 24. The main shaft 28 and the sub shaft 30 extend in the front-rear direction parallel to each other along left and right sides of the tray 26, and are fixed to the tray 26 at both ends. The main shaft bearing 32 and the sub shaft bearing 34 are fitted to the main shaft 28 and the sub shaft 30, respectively, and guide the main shaft 28 and the sub shaft 30 in the axial direction. The tray 26 is provided with a CD surrounding wall portion 38 for placing a CD 36 at an appropriate position on the upper surface, and is capable of projecting outward from the tray access opening 18 by moving forward. When the tray 26 is stored in the main body chassis 14, the front surface 40 of the tray 26 is substantially the same in shape and size as the tray access opening 18 so as to substantially cover the tray access opening 18. ing. The main shaft bearing 32 is fixed to the front end of the mechanical chassis 24 by screws 41 at two locations in the front-rear direction, and the countershaft bearing 34 is fixed to the front end of the mechanical chassis 24 at one location. The front ends of the main shaft bearing 32 and the counter shaft bearing 34 are defined on a vertical plane in accordance with the vertical plane of the rear surface (= inner surface) of the main body panel 16 and have a circular boss 42 protruding forward. The circular hole 46 is drilled slightly below the left and right ends of the tray access opening 18 on the inner surface (= rear surface) side of the main body panel 16, so that the circular boss 42 is fitted almost tightly. The left and right screws 56 are inserted into the washer 58, and then into the fool holes 52 in the front end standing wall portion of the mechanical chassis 24, and screwed into the screw holes 60 on the inner surface side of the main body panel 16. The part is fastened to the inner surface of the main body panel 16. The boring hole 52 has a diameter larger than the diameter of the shaft portion of the screw 56 and smaller than the outer diameter of the washer 58. After the screw 64 is inserted through a washer (not shown), the screw 64 is inserted into the fool hole 66 of the laterally extending portion at the left and right rear ends of the mechanical chassis 24, and further screwed into the screw hole 70 of the main body chassis 14. The lateral overhangs of the left and right rear ends of the mechanical chassis 24 are fastened to the main chassis 14. The boring hole 66 has a diameter larger than the diameter of the shaft of the screw 64 and smaller than the diameter of the washer for the screw 64.
[0018]
A procedure for attaching the tray assembly 22 to the player main body 12 will be described. First, the circular bosses 42 of the main shaft bearing 32 and the counter shaft bearing 34 of the tray assembly 22 are fitted into the circular holes 46 on the inner surface side of the main body panel 16. Then, the front surfaces of the vertical planes of the main shaft bearing 32 and the sub shaft bearing 34 are brought into contact with the vertical plane of the inner surface of the main body panel 16 to be in a plane contact state. As a result, the tray access opening 18 and the tray 26 are accurately positioned relative to each other in the vertical plane direction and the horizontal plane direction. At the front end side of the tray 26, the screw 56 is inserted into the tray 26 while maintaining the fitting of the circular boss 42 in the circular hole 46 and the planar contact between the main shaft bearing 32 and the sub shaft bearing 34 and the main body panel 16. After being inserted into the right and left fool holes 52 at the front end of the tray 26, it is screwed into the left and right screw holes 60 on the inner surface of the tray access opening 18. After being inserted through the fool holes 66 on the left and right ends, it is screwed into the right and left screw holes 70 of the chassis 14. An error in the relative position between the mechanical chassis 24 and the main body panel 16 and the main body chassis 14 at the screws 56 and 64 due to the positioning of the main shaft bearing 32 and the sub shaft bearing 34 with respect to the main body panel 16 The change in the relative position of the screw 56 and the change in the relative position of the screw 64 in the fool hole 66 are absorbed, and the screws 56 and 64 are screwed into the screw holes 60 and 70 without any trouble.
[Brief description of the drawings]
FIG. 1 is a plan view of a single CD player.
FIG. 2 is a front view of a single CD player.
FIG. 3 is a left side view of the single CD player.
FIG. 4 is a right side view of the single CD player.
FIG. 5 is a perspective view of a conventional single CD player before a tray assembly is attached to a player main body.
[Explanation of symbols]
10 Single CD player (device with tray)
12 Player body (body)
14 Body chassis 16 Body panel 18 Tray access opening 22 Tray assembly 24 Mechanical chassis 26 Tray 28 Main shaft (shaft member, shaft)
30 counter shaft (shaft member, shaft)
32 Spindle bearings (guide members, bearings)
34 Bearing for countershaft (guide member, bearing)
42 circular boss 46 circular hole 52 fool hole 56 screw (fixing means, screw member)
60 screw hole 64 screw (fixing means, screw member)
66 Fool hole 70 Screw hole

Claims (6)

The main body (12) includes a main body chassis (14) and a main body panel (16) which are fixed to each other, and the tray assembly (22) is moved in a predetermined linear direction so that a tray entrance / exit opening of the main body panel (16). (18) A tray (26) that can freely protrude outside, a shaft member (28, 30) extending in the tray moving direction and integrally provided on the tray (26), and fixed to a mechanical chassis (24). And a guide member (32, 34) for guiding the shaft members (28, 30) in the tray moving direction, wherein the mechanical chassis (24) is fixed to the main body (12). In the tray positioning method,
A convex portion (42) and a concave portion (46) that can be fitted to each other by relative movement in the tray moving direction are previously formed on one of the opposing portions of the guide member (32, 34) and the main body panel (16), respectively. Set it up,
The convex portion (42) is fitted into the concave portion (46),
Fixing the mechanical chassis (24) to the main body (12) while maintaining this fitting;
A tray positioning method in a device with a tray, characterized by comprising: An opposing portion of the guide member (32, 34) provided with the convex portion (42) or the concave portion (46) and the main body panel (16) is a plane,
The mechanical chassis (24) is fixed to the main body (12) by abutting the planes with each other in the tray moving direction.
2. A tray positioning method according to claim 1, wherein said tray mounting device comprises a tray. The main body (12) includes a main body chassis (14) and a main body panel (16) which are fixed to each other, and the tray assembly (22) is moved in a predetermined linear direction so that a tray entrance / exit opening of the main body panel (16). (18) A tray (26) that can freely protrude outside, a shaft member (28, 30) extending in the tray moving direction and integrally provided on the tray (26), and fixed to a mechanical chassis (24). And a guide member (32, 34) for guiding the shaft members (28, 30) in the tray moving direction, wherein the mechanical chassis (24) is fixed to the main body (12). In the tray positioning device,
(A) Protrusions (42) and recesses (42) provided on one and the other of the opposing portions of the guide members (32, 34) and the main body panel (16), and fitted with each other by relative movement in the tray movement direction. 46), and (b) fixing means (56, 64) for fixing the mechanical chassis (24) to the main body (12) while maintaining the fitting of the convex portion (42) and the concave portion (46) with each other;
A tray positioning device in a device with a tray, comprising: Opposing portions of the guide member (32, 34) provided with the convex portion (42) or the concave portion (46) and the main body panel (16) are flat, and the fixing means (56, 64) is provided with the guide member. The mechanical chassis (24) is fixed to the main body (12) while maintaining the flat surfaces of the members (32, 34) and the main body panel (16) facing each other. The tray positioning device in the device with a tray according to claim 3. A fool hole (52, 66) and a screw hole (60, 70) are provided in one and the other of the mechanical chassis (24) and the main body (12), respectively, and a screw member (56, 64) as the fixing means (56, 64) 56, 64) are inserted through the fool holes (52, 66) and screwed into the screw holes (60, 70) at the distal ends, thereby fastening the mechanical chassis (24) and the main body (12) to each other. The tray positioning device in the device with a tray according to claim 3 or 4, wherein: The shaft members (28, 30) are two shafts (28, 30) extending along right and left side portions of the tray (26 ), and the guide members (32, 34) are each shaft (28, 30). The tray positioning device according to any one of claims 3 to 5, wherein the bearing (32, 34) slidably supports the tray (28, 30) in the tray moving direction.

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