JPH07147083A - On-vehicle disk device - Google Patents

Abstract

PURPOSE:To miniaturize a disk device body without providing the inside of the disk device with an elastic supporting mechanism for supporting a disk driving section and to prevent the influence that the vibrations of a car body exerts on the disk driving section when the disk device body is installed in the car. CONSTITUTION:A fixing box 10 is fixed to the car body by a bracket 11 and a supporting frame 20 is elastically supported by means of coil springs 24 and dampers 22 in the fixing box 10. A changer body 30 is housed in the supporting frame 20. A mechanism for elastically supporting the disk driving section is not disposed in a changer body 30 and the outside dimensions of the changer body 30 are minimized. The inside of the fixing box 10 is provided with a restraining link mechanism 40 for restraining the supporting frame 20 when the changer body 30 is not inserted therein. The supporting frame 20 is held locked at the time of attaching and detaching the changer body 30. The supporting frame 20 is held in an elastically supporting state when the changer body 30 is mounted at the supporting frame 20.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a vehicle-mounted disk device, and more particularly to a vehicle-mounted disk device that does not require an elastic support mechanism for elastically supporting an internal mechanism in the disk device body and can cope with vehicle body vibration.

[0002]

2. Description of the Related Art FIG. 5 is a perspective view showing a disk changer as an example of a conventional vehicle-mounted disk device, and FIG.
3 is a cross-sectional view showing the internal structure of the disc changer shown in FIG. A conventional vehicle-mounted disc changer 1 shown in FIG.
The casing 2 is directly fixed by the bracket 4 in the vehicle body, for example, in the trunk room. A slidable door 2c is provided at the front nose portion of the housing 2, and a disc storage chamber 7 for storing a magazine containing a plurality of discs is provided inside the door 2c. A disk drive unit 3 is provided in the housing 2 at a position aligned with the disk storage chamber 7. The disc drive unit 3 includes a disc selection mechanism for selecting and extracting a disc from a magazine, a turntable on which the disc is installed, a spindle motor for rotating the turntable, a clamp mechanism for clamping the disc on the turntable, and an optical pickup. Etc. are stored.

The disk drive section 3 is easily affected by external vibration while reproducing a signal recorded on the disk. Therefore, conventionally, as shown in FIG. 6, the disk drive unit 3 is suspended from the inner upper surface 2a of the housing 2 by the coil springs 5 and 5, and the side surface of the disk drive unit 3 is the inner side surface 2b of the housing 2. It is elastically supported by dampers 6 and 6 in which oil or air is enclosed. By providing the coil springs 5 and 5 and the dampers 6 and 6, the disk drive unit 3 during the reproducing operation is less likely to be affected by the vibration of the vehicle body.

[0004]

In the conventional disc changer described above, since the disc drive portion 3 is elastically supported in the housing 2, the coil springs 5 and 5 and the dampers 6 and 6 for elastically supporting the disc drive portion 3 are provided. A space for housing is required in the housing 2, and the outer dimension of the housing 2 is large. In an actual device, when the disc is pulled out from the magazine stored in the disc storage chamber 7 and clamped in the disc drive unit 3, and when the disc drive unit 3 is used.
When the disc whose clamp has been released inside is returned to the magazine, the disc drive unit 3 must be fixed to the housing 2. Since the restraint lock mechanism for that purpose must be provided in the housing 2, the mechanism in the housing 2 becomes complicated, and the housing space for this restraint lock mechanism must be provided in the housing. Further size increases are inevitable.

Therefore, for example, when the above-mentioned disc changer is detached from the inside of the vehicle body and used for home use, the housing 2 does not need the housing 2 because it contains an elastic supporting member which is unnecessary for home installation. Will have a size. Further, when the housing 2 of the disc changer is fixed in the vehicle body by using the bracket 4 as shown in FIG. 5, the disc changer may be easily removed from the trunk room or the like and taken home. Have difficulty. Nevertheless, the disc changer may be stolen if the trunk room or the like is forcibly opened during parking at night.

The present invention is to solve the above-mentioned conventional problems, and it is not necessary to provide a mechanism for elastic support or a restraint lock mechanism in the disk device body, so that the device body can be downsized, and the vehicle body can be made compact. When installed in the body, it is less susceptible to vibration of the vehicle body, and the disk device body can be easily taken out from the vehicle body and taken home, so that it is possible to prevent theft during parking. Is intended to provide.

[0007]

In a vehicle-mounted disc device according to the present invention, a frame member is elastically supported by a fixing member fixed to a vehicle body, and the disc device body is detachably attached to the frame member. It is characterized by.

Further, in the above, between the fixing member and the frame body, when the disk device body is taken out of the frame body, the frame body is restrained with respect to the fixing member, and the disk device body is attached to the frame body. It is preferable to provide a restraint mechanism that releases the restraint when the restraint is performed.

[0009]

According to the first means, it is not necessary to provide an elastic support mechanism for elastically supporting the internal mechanism in the housing of the disk device body, and when the disk device body is attached to the frame body, the frame body itself is provided. Is elastically supported with respect to the vehicle body. Therefore, when mounted on the vehicle body, the disk drive portion in the disk device body is less likely to be affected by vehicle body vibration. Since the elastic support mechanism is not provided inside the disk device body, the external dimensions of the housing of the device body can be reduced. Also, by removing the disk device body from the frame, it is possible to take the disk device body home or the like and connect it to a home audio device. Therefore, it is possible to prevent the disc device body from being stolen from the parked vehicle body.

In the second means, when the disc device body is attached to or detached from the frame body, the frame body is restrained with respect to the fixing member, so that the disc device body can be easily attached and detached. . Further, when the disk device main body is attached or detached, the elastic supporting mechanism such as the damper supporting the frame is not damaged by giving an unnecessary external force.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view showing a disc changer as one embodiment of a vehicle-mounted disc device of the present invention, and FIG. 2 is a side sectional view for explaining the structure of a restraint link mechanism. The vehicle-mounted disc changer shown in FIG. 1 includes a fixed box 10, a support frame 20, and a changer body 30.
The fixed box 10 is fixed to a luggage compartment of an automobile by brackets 11 and 11. An opening 12 is formed on the front surface of the fixed box 10.
Can be opened and closed by a rotatable front lid 13. As shown in FIG. 2, the restraint protrusions 10b and 10b and restraint recesses 10c and 10c are formed on the inner upper surfaces 10a on both sides of the fixed box 10, and the restraint protrusions 1 are formed on the lower surface 10d.
0e, 10e and restraint recesses 10f, 10f are formed. On the upper surface 10a, the restraint protrusion 10b is formed on the front side (the opening 12) side, and the restraint recess 10c is formed behind the restraint protrusion 10b. On the lower surface 10d, the restraint recess 10f is formed on the front side, and the restraint protrusion 10e is formed on the rear side.
Are formed.

An opening 21 is formed on the front surface of the support frame 20. The support frame 20 is provided below the opening 21.
Is formed with a guide plate portion 20a protruding from the lower surface thereof, and a stopper 20b protruding downward is formed on the central lower surface of the guide plate portion 20a. Dampers 22 and 22 filled with oil or air are provided on the inner surfaces of both side plates of the fixed box 10.
, And fixed shafts 22a, 22a provided on both side surfaces of the support frame 20 are supported by the dampers 22, 22. Further, pins 23, 2 are provided on both side surfaces of the support frame 20, respectively.
3 is fixed, the ceiling of the fixed box 10 and the pins 23, 2
Coil springs 24, 24 are hooked between the two. The support frame 20 is elastically supported by the fixed box 10 by the dampers 22, 22, ... And the coil springs 24, 24.

Restraint link mechanisms 40, 40 are provided on both side surfaces of the support frame 20. In the restraint link mechanisms 40, 40, engaging pieces 41 rotatably supported by a shaft 42 as a fulcrum are provided at front ends of both side surfaces of the support frame 20. The engagement arm 41a of the engagement piece 41 is oriented so as to project to the front of the side surface of the support frame 20 in a state where the changer body 30 is not housed, and the engagement arm 41a has a recess 41b.
Are formed. The connecting arm portion 43 of the engaging piece 41 is shown in FIG.
Is formed long in the downward direction of the paper, and the sliding hole 43 is formed in the center thereof.
a is formed. One pin 4 of the transmission piece 44 for transmitting the operation of the engagement piece 41 to the rear stage is provided in the sliding hole 43a.
4a are connected. The other pin 44b of the transmission piece 44
Is connected to the first vertical piece 45a. A second vertical piece 45b is arranged in parallel behind the first vertical piece 45a. The central portion of both vertical pieces 45a and 45b is the fixed shaft 2
It is rotatably supported by 2a and 22a. The first vertical piece 45a and the second vertical piece 45b are connected by a first horizontal piece 46a and a second horizontal piece 46b that are parallel to each other in the horizontal direction. These vertical pieces 45a, 45b and horizontal pieces 46a,
46b is connected by pins 44b and 47a, 47b, 47c to form a parallel link mechanism. The parallel link mechanism performs a link operation centering on the fixed shafts 22a, 22a connected to the air damper 22.

Further, as shown in FIG. 2, for example, a second vertical piece 45b is urged against the support frame 20 by a spring 49 in a counterclockwise direction, and a vertical piece 45b is provided on a side surface of the support frame 20.
Is provided with a stopper 50 that contacts the vertical posture, and as a result, the vertical pieces 45a and 45b are always urged to be in the vertical posture. The spring may be connected to the engagement piece 41 to urge the engagement piece 41 in the clockwise direction, and a stopper may be arranged to stop the engagement piece 41 in the position shown in FIG. The restraint link mechanism 40 and restraint convex portions 10b, 10b, 10e, 10e formed on the inner upper surface 10a and the inner lower surface 10d of the fixed box 10.
The restraint recesses 10c, 10c, 10f, and 10f form a restraint mechanism that restrains the support frame 20 with respect to the fixed box 10.

The changer body 30 includes the support frame 2
It is removable inside 0. Changer body 30
A magazine insertion port 30a is formed on the front surface of the casing of the device, and a sliding door is provided at the insertion port 30a.
Inside the housing of the changer body 30, the inside of the insertion port 30a is a magazine storage chamber A, and the side thereof is a storage chamber B of the disk drive unit. The disk drive unit installed in the storage chamber B has a disk selection mechanism for loading / unloading the selected disk into / from the magazine, a turntable on which the selected disk is installed, a spindle motor for driving the turntable, and a disk for the turntable. It has a clamp mechanism for clamping and an optical pickup. The disk drive unit is installed in the housing of the changer body 30 without being elastically supported. Since the mechanism for elastic support and the restraint mechanism for restraining the elastically supported disk drive unit are not provided inside, the outer dimensions of the housing of the changer body 30 are the smallest.

As shown in FIG. 2, a connector 31a is fixed to the rear end surface of the support frame 20, and a changer body 30 is provided.
A plug 31b is provided on the rear end surface of the casing of the plug 3 when the changer body 30 is inserted into the support frame 20.
1b is to be inserted into the connector 31a. A U-shaped handle 32 is rotatably supported by pins 32a and 32a on the front side of the housing of the changer body 30. As shown in FIG. 1, the handle 32 extends in the front direction of the housing of the changer main body 30.
As shown in (A), the changer body 30 can be rotated in such a direction as to be folded up on the lower surface of the front side of the housing.
Engaging pins 33 projecting outward are provided on both sides of the handle 32, and when the changer body 30 is inserted into the support frame 20, the engaging pins 33 are engaged with the engaging pieces 41.
It is adapted to be fitted into the recess 41b. An elastic hook member 34 is fitted to the center of the front portion of the handle 32. As shown in FIG. 3A, when the changer body 30 is inserted into the support frame 20 and the handle 32 is rotated downward, an elastic hook member 34 is provided on the lower surface of the front end of the support frame 20. It is elastically engaged with the stopper 20b. This locks the handle 32,
At the same time, the changer body 30 is locked to the support frame 20.

Next, the attachment / detachment operation of the disc changer having the above structure will be described. The changer body 30 is the support frame 2.
When not inserted into 0, the engaging piece 41 of the restraint link mechanism 40 is recessed 41b at the side of the opening 21 of the support frame 20 by the biasing force of the coil spring 49 shown in FIG.
Is directed to the front, and the first vertical piece 45
The a and the second vertical piece 45b are rotated about the fixed shafts 22a, 22a in an upright state. At this time, the vertical pieces 45a, 4
The upper and lower ends of 5b are engaged with the restraining convex portion 10b, the restraining convex portion 10e, and the restraining concave portion 10c and the restraining concave portion 10f of the fixed box 10. In this engaged state, the support frame 20 in the fixed box 10 does not move in the vertical and front-rear directions and is in a substantially fixed state. In this state, the changer body 30
However, the opening 12 of the fixed box 10 and the opening 21 of the support frame 20
Then, when the housing of the changer body 30 is deeply inserted into the support frame 20, the plug 31b provided on the rear end surface of the changer body 30 is fixed to the support frame 20. It is fitted to the connector 31a. Since the support frame 20 is restrained in the fixed box 10 by the restraint link mechanism 40, the changer body 30 is supported by the support frame 2.
The support frame 20 does not move even if it is strongly pushed into 0,
Therefore, the plug 31b and the connector 31a can be easily fitted to each other.

When the changer body 30 is inserted into the support frame 20, the engaging pin 33 provided on the side surface of the handle 32 is fitted into the recess 41b of the engaging piece 41. When the handle 32 is rotated downward after the changer body 30 is completely housed inside the support frame 20,
As shown in FIG. 3A, the engagement pin 41 causes the engagement piece 41 to rotate counterclockwise in the drawing. This engagement piece 4
The pin 44a inserted into the sliding hole 43a by the rotation of 1
The transmission piece 44 is pushed to the rear side through the vertical piece 45a,
The restraining link mechanism composed of 45b and horizontal pieces 46a and 46b moves in parallel, and as shown in FIG.
The upper and lower ends of 45b are the constraining protrusions 10b, 10 of the fixed box 10.
e and the restraint recesses 10c and 10f. When the handle 32 is completely rotated downward, the hook member 34 is engaged with the stopper 20b. At this point, the support frame 20
The restraint in the fixed box 10 is released, and the support frame 20 accommodating the changer main body 30 is elastically supported by the coil spring 24 and the damper 22 in the fixed box 10.

When the handle 32 rotates downward,
Since the hook member 34 is engaged with the stopper 20b and the recess 41b of the engaging piece 41 is slightly downward to restrain the engaging pin 33, the changer main body 30 is supported by the support frame 20.
It has been locked inside. Further, by closing the front lid 13 provided on the fixed box 10, the changer body 3
Since 0 is shielded from the outside area such as the inside of the trunk room, dust does not reach the portion of the changer body 30. In this state, the disc is clamped by the disc drive unit in the changer body 30 to perform the reproducing operation. However, since the support frame 20 accommodating the changer body 30 is elastically supported in the fixed box 10, the vibration of the vehicle body changes. It does not affect the disk drive section in the main body 30.

Further, the changer body 3 is provided from the inside of the support frame 20.
When the 0 is taken out, the downward handle 32 shown in FIG. 3 (A) is rotated forward. As a result, the restraint link mechanism 40 operates in the state shown in FIG. 2, and the first and second vertical pieces 45a and 45b cause the restraint projection 10 of the fixed box 10.
It is locked by engaging with b, 10e and the restraining recesses 10c, 10f. The changer body 30 is pulled out from the support frame 20 in the locked state. In the above embodiment, when the magazine in the changer body 30 mounted in the support frame 20 is replaced, the fixed box 10
Of the changer body 30 by opening the front lid 13 of the
Although the replacement work will be performed by opening the door a, for example, even if the front lid 13 is provided with a door that can be opened and closed, and this door and the door of the insertion port 30a of the changer body 30 are linked and opened and closed together. Good.

In the embodiment shown in FIG. 1, the support frame 20 has a box shape. However, the support frame 20 does not have to have a box shape that completely covers the top, bottom, left and right, as long as the changer body 30 can be held. It may have any structure. Further, it is not necessarily a disc changer into which a magazine is inserted, the disc device body can insert one disc, and the fixed box 10 is embedded in a mounting position such as a car radio on a console panel in the vehicle. It may be one.

Further, it is not always necessary to provide the fixed frame 10 for covering the support frame 20 as in the above-mentioned embodiment. For example, as shown in FIG. 4, the damper 22 is attached to the fixed bracket 11 fixed in the trunk of the automobile. The structure may be such that the support frame 20 is supported via the support frame 20, and the changer body 30 and the like are attached to and detached from the support frame 20. In this case, when the changer body 30 or the like is attached or detached, the support frame 20
If is fixed by hand, no unnecessary external force is applied to the damper 22. Further, the disk device main body is not limited to one used as a single disk such as a compact disk, but may be one using a recording medium in which an optical disk, a magneto-optical disk or the like is housed in a cartridge.

[0023]

According to the first aspect of the invention, since the frame body to which the disk device body is attached is elastically supported by the fixed member, an elastic support mechanism for elastically supporting the disk drive portion in the disk device body is provided. Even if it is not provided, the disk device body is elastically supported with respect to the vehicle body, and the vehicle body vibration does not affect the disk drive portion. Since the disk device main body does not have an elastic support mechanism inside, the internal mechanism is simplified and the external dimensions can be minimized. It is also possible to connect to home audio equipment by removing the disk device body from the frame body, and by removing the disk device body from the frame body, the disk device body is stolen from the inside of the parked car. Can be prevented.

According to the second aspect of the present invention, since the restraint mechanism for restraining the frame body with respect to the fixed portion is provided, the disk device main body can be attached to and detached from the restrained frame body, and this attaching and detaching operation is easy. It is possible to prevent applying unnecessary external force to the elastic support mechanism such as the damper.

[Brief description of drawings]

FIG. 1 is a perspective view of a vehicle-mounted disc device in which a changer body is used as the disc device body according to an embodiment of the present invention;

FIG. 2 is a side view showing the structure of a restraint link mechanism,

FIG. 3A is a partial side view showing the operation of the engagement piece when the changer body is inserted, and FIG. 3B is a side view showing the operation of the restraint link mechanism when the changer body is inserted;

FIG. 4 is a perspective view showing another embodiment of the elastic support structure of the support frame,

FIG. 5 is a perspective view showing a conventional mounting structure for a vehicle-mounted disc changer,

6 is a cross-sectional view showing the internal structure of the disc changer shown in FIG.

[Explanation of symbols]

 10 Fixed Box 10a Inner Upper Surface 10b Restraint Convex 10c Restraint Recess 10d Inner Lower Side 10e Restraint Convex 10f Restraint Recess 20 Support Frame 20b Stopper 21 Opening 22 Damper 22a Fixed Shaft 23 Pin 24 Coil Spring 30 Changer Body 30a Insertion Port 32 Handle 34 Hook member 40 Restraint link mechanism 41 Engagement piece 41a Engaging arm 41b Recess 42 Shaft 43 Connecting arm 43a Sliding hole 44 Transmission piece 45a, 45b Vertical piece 46a, 46b Horizontal piece

Claims (2)

[Claims] 1. A vehicle-mounted disc device, wherein a frame is elastically supported by a fixing member fixed to a vehicle body, and the disc device main body is detachably attached to the frame. 2. The frame body is attached between the fixing member and the frame body such that the frame body is restrained with respect to the fixing member when the disk device body is taken out of the frame body. The vehicle-mounted disk device according to claim 1, further comprising a restraint mechanism for releasing the restraint at times.