JPS61172266A - Front loading disc player - Google Patents

Abstract

PURPOSE:To shorten practical dimensions of a guide mechanism by constituting the guide mechanism of a disc carrying mechanism with a guide means, which supports a disc holding part in two positions in the moving direction in one side of the moving direction, and a supporting body which supports it in the entrance side in the other side of the moving direction. CONSTITUTION:A tray 10 is provided in the front part of a housing so that the tray 10 can be projected out of the housing from a rectangular opening part of a front panel. A subchassis 6 is extended in the longitudinal direction and is arranged and fixed on the upper face in the right end part of a main chassis 5. A V groove 6a as a guide path is formed on the upper face of the chassis 6. A V groove 12a facing the groove 6a is formed on a slide base 12 which is fixed on the tray 10 in accordance with the chassis 6. A bearing member 14a held freely turnably by a retainer 14 is inserted between grooves 6a and 12a. A supporting body 9 arranged near the opening part of the front panel supports the left part of the tray 10 in one position so that it can be moved freely only in the longitudinal direction. Thus, practical dimensions of the guide supporting mechanism are shortened.

Description

DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a disc player, and more particularly, to a disc player equipped with a disc transport mechanism that automatically transports a disc to a playing position.
] Item 1 - Concerning loading disc player.

91 Audio disc or p CI with sound grooves on the surface
Storage port 7 protrudes from the housing of the play V for storing digital audio discs that record VI signals.
The so-called front [1-ding] is designed so that the disc is held in the disc holding part provided on the disc in the housing and is completely stored in the housing. A disk play λ) is already known.

Recently, such front loading disc play 17
A device has been developed that includes the above-mentioned disk holder and includes a disk transport mechanism that automatically transports the disk to the performance position, thereby eliminating the trouble of disk loading. When positioning the disc placed on the disc holder outside the player housing on the playing position, that is, on the turntable, the disc is placed in two directions, for example, in a direction parallel to the rotating surface of the turntable and in a direction perpendicular thereto. It is moved and transported.

Specifically, the disc transport mechanism (1) has a guide support mechanism, and the disc carrying portion is movably guided by the guide support III in a direction parallel to the rotation surface of the turntable. In front-loading disc players, the guiding support structure is
It consists of a support member fixedly installed in the play 17 housing, and a guide part such as a rail interposed between the support member and the disk li1 holding part. However,
The above-mentioned support member is made of K811 material with a very large area and consists of almost a single plate, whose length is larger than the movement stroke of the disk holder, and whose length is larger than the movement stroke of the disk holder. [The dimension, that is, the width dimension, is larger than the width 31 of the holding part of the disc 10.Incorporating a large-area member into the interior becomes an obstacle when trying to downsize the disc plate 17 as a whole. Not only that, but it also caused the cost to increase to 1.

In addition, the internal members (Railte, ') in 7 described in -1- are all installed in pairs (J) in order to support both sides of the disk holding part in a completely symmetrical structure, and there are many parts, and the old
The structure was multi-tll, and the distance to S1 was even higher than 4.

Summary of Defense The present invention has been developed in view of the above points, and includes:
The purpose and purpose of this invention is to provide a front disk player in which the overall size of the player 17 can be reduced and the speed can be easily reduced.

A loading disc player according to the present invention includes a housing, a playing means provided in the housing, and a disc transport mechanism that carries a disc to be played and transports it to a playing position, the disc transport mechanism a guide support mechanism, which is movably inserted into the housing via the guide support mechanism, and a disk carrier protruding and retractable through an opening formed in the housing; The guide and support mechanism includes a guide means for supporting and guiding the disc holder at at least two locations on one side in the direction of movement of the disc holder and movably only in the direction of movement; l! is provided nearby to move the disk supporting section in the moving direction. It is characterized by comprising a support member supported at at least one location on the other side thereof so as to be movable only in the movement direction.

Embodiment Hereinafter, a front loading disc player as an embodiment of the present invention will be explained with reference to the accompanying drawings.

In the figure, reference numeral 1 indicates the entire front-loading disc player.

As shown in FIG. 1, the front surface of the housing 2, that is, the front panel 1 to the panel 3, is provided with a rectangular opening 3ah extending in the left-right direction so that a disk supporting section, which will be described later, can protrude outside the housing. c) It is being done. However, the left and right referred to here (the forward direction indicated by the arrow Y): J-
τ, and the direction of arrow X is to the left. Also, arrow 7
Direction indicates upward. Although not shown, a group of switches for operating the disc player is provided on the rear panel 3.

As shown in FIGS. 2 and 4, a main chassis 5 as a support member is provided within the housing 2. As shown in FIGS. As is clear from FIGS. 2 to 5, a longitudinal subchassis 6 serving as a support member is arranged on the upper surface of the right end of the main chassis 5 and extends in the front-rear direction, and is fixed to the main chassis 5 with screws. has been done. The upper surface of this sub-chassis 6 has a V-groove 6 as a guide path extending in the front-rear direction.
a is formed. Further, a longitudinal pressing member 7 formed by bending a steel plate or the like is screwed onto the sub-chassis 6 so as to face the V-groove 6a.

On the other hand, in the vicinity of the opening 3a formed in the front panel 3 for housing the protruding disk holder, a support 9 made of resin, etc. is disposed.
Take screw 41 and J- to main chassis 5 and install fst
IJ is being used. A tray 10 is provided between the support member 9 and the pressing member 7. The tray 10 includes a cover member 11 made of resin or the like, and a cover member 11 made of a steel plate or the like. A guideway is formed on the right side of the leaf chassis 6 and a slide base 12 etc. fixed to correspond to it. VtFf12
For example, two first bearing portions 4, 14a, which are rotatably held by a retainer 14, are interposed between the two V-grooves. Also, V fM 6 a
For example, two second bearing members 111 are disposed near 12a and 12a, and are in contact with the surface of the slide base 12 opposite to the 4J bush chassis 6. The second bearing member is also rotatably held by the retainer 14. The above-mentioned pressing member 7 is the first bearing member 14a.
and the second bearing member 141) toward the V bushing chassis 6.

The one-knob chassis 6 described above and a pair of ViM6a.

12a, etc., first and second bearing parts Ui4a.

1. Regarding '111, the retainer 14, and the presser member 7, the right side of the lay 10 (part of the disk supporting part to be covered later) consisting of the cover part vJ11 and the slide base 12 cap is 11ii and the rear IJ. A slide guide mechanism is configured as a guide means that can freely reciprocate only in the direction and supports and guides at at least two locations.

Further, the support body 9 disposed near the frontage part 3a formed in the front panel 1-panel 3 is movable only in the front-back direction on the left side of the front panel 10 (therefore, the above-mentioned disk supporting part). It is supported at one place at least, and is slidably engaged with the slide plays 1 to 15 fixed to the cover member 11 (+a part of the tray 10).

These slide guide mechanisms and the support body 9 constitute a guide support mechanism that supports the entire tray 10 (therefore, the disk supporting portion) so as to be movable relative to the housing 2. In addition, a separation panel 16 that fits into and closes the opening 3a of the Freon panel 3 is cut at the front end of the Ray 10.

Here, as shown in FIG. 5, projections 7a and 7b which can be engaged with a retainer 14 (for example, shown in FIG. 4) are provided at both front and rear ends of the presser member 7, which forms a part of the slide guide mechanism.
is provided. In the slide guide mechanism described above, when the tray 10 reciprocates on the sub chassis 6, the first
The retainer 14 moves with the transfer of the second bearing parts +41/Ia and 14b, and the movement stroke of the retainer is actually half the movement stroke of the tray 10. The protrusions 7a and 7b act as a regulating means for regulating the movement of the retainer at two positions corresponding to the ends of the movement stroke (a), that is, the ends of the movement stroke of the tray 10, respectively.

As shown in FIG. 5, the presser member 7 has a bearing pressing force at a portion of the presser member that approximately corresponds to the rearward movement restriction position of the retainer 14, which is smaller than the bearing pressing force at the center portion. The slit 7C is formed so that As a means to make the bearing pressing force of one part 9 of the presser member 7 smaller than the bearing pressing force of other parts, it is conceivable to provide a special mechanism for this purpose, but in this way, the sleeve If J: is added to 1 to 7C, the cost can be kept extremely low. In addition to the sleeves 1 to 7C, a second bearing member 7 is attached to the holding member 7 corresponding to the positions of the first and second bearing members 14a and 14b when the retainer 14 reaches the rearward movement restriction position.
A similar effect can be obtained by forming a recess into which the bearing member 14 b can be fitted.

As is clear from FIGS. 1, 4 and 6, the tray 0 includes a disc 18 which can project out of the housing 2 together with the tray and is to be played in cooperation with the tray.
A pair of eldest supporting members 19 and 20 are provided for holding the disc (for example, as shown in the first figure) in one mouth and moving the disc in the vertical direction (in the direction of arrow Z and in the opposite direction). The pair of support members 19 and 20 are collectively referred to as a container, and together with the containers 1 to 10, they constitute a disk holding section. The support members 19 and 20 extend parallel to each other in the front-rear direction, and have an A5 length in the short direction.
At one end of the LJ, take the 1-lay 10 swingably (
= J (pulled. 1) The cover member 11, which is a constituent member of the helay 10, has a cylindrical recess 11a l/J bow QIJ whose axial center coincides with the vertical direction.The four cylindrical parts 11a Openings 11b are formed at the four corners, and each part 19a of the free end of the pair of support parts + A19.20 is formed.
, 20a protrude from the opening 11;) into the cylindrical recess. As is particularly clear from FIG. 7, one of the portions 19a and 2Qa protruding from the opening 111), for example 19a, has a support portion 191) that supports the main surface of the disk 18, and a support portion 191) that is continuous to the support portion. and disk 18
A tapered disk guide portion 190 that can be engaged with the outer periphery of the disk is formed. Also, the part 2Qa of the other support member 20 includes a support part 201) which is symmetrical to the part 19a of one support member, and a tapered disk guide part 20C.
is formed. In addition, a pair of support members 19 and 20
The swinging support shaft 19 (1 and '20d) is the free rotation of the turntable when the swinging support shaft 19 (1 and '20d swings in the direction approaching the turntable, which will be described later). They are arranged so that they move toward the center.In other words, place the disc '+8 on the turntable.
The swinging support shaft 19 (
1 and 20 (1 is placed, so d can be done.

The supporting parts 19t) and 20b, which are bent upward (-), are designed to support the outer circumferential edge of the main surface of the disk 18, a portion where no information is recorded.

As is clear from the above, the disk 18 inserted into the cylindrical recess 11a of the I-lay 10 (of which the cover part (formed in A11) C, exactly support part 1
9b, 201+,,l-, so
In this way, the information on the back of the main surface of the disc is recorded.
It is possible to support the disk only by the thin part, and therefore there is no fear that the disk recording surface will be damaged by contact with particles or the like.

J shown in Figure 3 4th stone to Figure 6: Sea urchin, 1 to Ray 1
On the right side of the slide base 12, which is a component of the slide base 12, a longitudinal moving member 23 that extends in the front-rear direction is disposed and is mounted on the slide base so as to be movable in the front-rear direction. This movable member 2311 is made of resin or the like, and the rack portion 23
a is formed.

As shown in FIGS. 3 and 4, on the right side of the front end of the sub-chassis 6, there is a moving section! ′; A pulley 2 having a coaxial gear 24 that meshes with a rack portion 23a formed on A23.
5 is rotatably attached. Behind the pulley 25 is a motor 2 with a small pulley 26a fitted on its output shaft.
6 is arranged, and this small pulley 26a and pulley 25
A belt 27 is installed between the two. Gear 24 mentioned above
Driving force is applied to the moving member 23 by the pulley 25, the motor 26 including the small pulley 26a, and the bells 1 to 27. A cylinder mechanism is constructed with a "shrinking drive mechanism".

As shown in FIG. 3 and FIG.
30 are arranged. A bottle 30a extending in the rightward direction is provided on both left and right ends of the lever member 30, and the lever member 30 is rotatable from 1 to 10 (cover member 11) by the bottle. installed. One end of the lever member 30, in this case the lower end, is pivoted to the moving member 23. Specifically, a bin 30b extending to the right is provided at the bottom of the right end of the lever member 30, and this bin 30b is connected to the U-shape formed at the rear end of the movable member 23. It is slidably fitted into the fourth part 231). As is clear from FIG. 6, the one flange member 30 has its other pivoted end, that is, the free end of the support member 19, 20 serving as a container at the *i; portion on the opposite side of the bin 30b with respect to the bin 3Qa. It is in contact with the lower surface. On the other hand, J: sea urchin, both support members 19 also shown in FIG.
A coil spring 31 is interposed between the coil spring 31 and 20, and both support members are supported by the coil spring.
It is being pushed in the direction of arrow P in the figure. 2, the moving member 23 is driven backwards (in the opposite direction of the arrow Y direction) with respect to the tray 10, so that the lever member 30 serving as the interlocking means is rotated in the direction of the arrow Qtr shown in FIG. 3. (mouth) and each support part 4Δ19 and 20
is swung in the direction of arrow P (&!'1 shown) by the 191 force of the coil spring 31.

Next, until the 1 to 1 nodes 10 reach the storage position in the housing 2, the container 1, = both supporting members 19 and 20
is locked to 1 to 10, and 1 to ray 1
0 reaches the storage position, one support member is removed.

The locking state of the rays 1 to 20 of 20 is released and the rays 1 to 10 are locked to the rib sills which are supporting members.

As shown in FIGS. 2 to 5, the rib chassis 6
A slide portion 6C extending parallel to the V vortex is formed on the upper surface of the V i* 6 a to the right. However, this slide portion 60 is simply a planar portion and is not distinguishable in shape from other portions. Further, as shown in FIG. 6, a projecting portion 23dh' is provided on the left side surface of the moving member 23 in correspondence with the sliding portion 6C. Opposed to each of the moving parts 4Δ23, therefore, the rays 10 to 1
The first four parts 6d and the second four parts 230 are formed so as to face each other when they are in the storage position in the housing 2.

Note that FIGS. 5f and 5 show a state in which the l-ray 10 is housed in the housing 2, and FIGS. 1 to 4 show a state in which the ray 10 protrudes outside the housing 2. There is. On the other hand, at the rear end of the slide base 12, which is a part of the 1.1 noise 10, there is a small protrusion 121 that protrudes to the right.
is formed. This protrusion 121) is located between the slide part 6C and the protrusion 23 [1], and the protrusion has a round opening that can face the first recess 6d and the second fourth part 23e. (No reference numeral) is provided. A spherical rotatable member 33 that engages with the first fourth portion 6d and the second recess 23e is disposed within the opening. Here, the dimensions indicated by J'3 and da in FIG. The distance 1!11 between the opposing surfaces is smaller than the outer diameter dimension of the rotatable member 33. Also, 1 indicated by db in FIG.
In other words, the separation distance between any one of the opposing surfaces of the overhanging portion 23d and the slide portion 6C and the bottom surfaces of the four portions of the first four portions 66 and the second four portions 23e that are opposite to the negative surface is rotatable 33.
It is slightly larger than the outer diameter of the .

First fourth part 6d, second fourth part 23e and slide base 12
When the openings (no reference numerals) provided in the protrusion 12b of the tray 10 coaxially face each other, the front bent portion 12G (shown in the third figure) of the slide base 12, which is a component of the tray 10, is connected to the front end of the sub-chassis 6. When engaged, movement of the tray 10 relative to the sub-chassis 6 in the tray storage direction (rearward) is restricted. Also, Part 14 6d,
When the second fourth portion 23e and the opening provided in the protruding portion 12b of the slide base 12 face each other, the moving member 23
movement in the tray protrusion direction (forward) relative to the tray 10 is restricted.

The above-mentioned first fourth part 6d, second recess 23e, and protrusion 1
21+, the rotatable part 33, the first fourth part 6d, the second fourth part 23e, and the above-mentioned space [when the 1 parts face each other, the 1-ray storage direction of the 1-ray 10 with respect to the leaf chassis 6] By regulating the movement of the moving member 23 relative to the tray 10 in the direction of protruding the tray 10, the support part IJ19.11, which is a container, is held until the tray 10 reaches the storage position in the housing 2. 20
are locked to the trays 10, and when the trays 10 reach the storage position, the trays 10 of both support members are locked.
release the locked state and hold the ray 10 at the support part l.
A locking/releasing means for locking the barrel sub-chassis 6 is configured.

In addition, the above-mentioned guide support mechanism including the lock/release means, the four-knob chassis 6, etc., the i-ray 10 and the support member 1,
9.20 or the like, and the moving member 2.
3, a driving force applying mechanism consisting of a motor 26, etc., and peripheral small members related thereto, support the disc 18 to be played and move it in a first predetermined direction (back and forth direction; the direction of arrow Y and the direction opposite thereto). and a second predetermined direction perpendicular to this (
A disk conveying mechanism is configured to move the disk in the vertical direction (direction of arrow Z and its opposite direction) and convey it to a performance position and onto four turntables, which will be described later.

Next, a description will be given of the playing means installed in the housing 2 for playing the -C disc.

As shown in FIGS. 2, 4, and 5, a mechanical chassis 35 including a mounting plate for mounting equipment is disposed between the sub-chassis 6 and the support body 9. The mechanical chassis 35 has four legs 36, which are clearly shown in FIG.
1(), which is attached to the main chassis 5 as a support member by the legs via an insulator 37 as a vibration isolating member.
It is being The insulation 37 is formed into a substantially cylindrical shape (1-shaped leg member 38) and a split bamboo column-shaped leg member 38 which is screwed and fixed to the main chassis 5, which is a support member, through a screw portion formed in the lower width (portion). (a viscoelastic member 39 fitted onto C at a predetermined distance from Δ38 and fixed to the leg member at the lower end)
The viscoelastic part +439 is located near the upper end of the circular opening 36a formed at the lower end of the leg 36 of the mechanical chassis 35 serving as the mounting plate. Arrival 1! It is closed. Also, the columnar leg member 3
8 protrudes from the t*i1 portion of the viscoelastic member 39, and the upper end of the viscoelastic member is attached to the protruding portion together with the edge of the opening 36a. ′! The flange portions 38a sandwiched by a slight gap are RfJt-J.

As is clear from FIGS. 8-4r to 10, the mechanical chassis 35 has a substantially rectangular groove extending from its center to its rear end.
] portion 35a is formed, and a carriage 42 is fitted into the space 35a. The carriage/12 is equipped with optical pickup means (not shown) for reading information from the disk 18. carriage 42
A wooden guide shirt 1 to 43 extending in the front-rear direction is arranged on the right side of the guide shirt 35, and one of the guide shirts 1 to 43 is attached to the mechanical chassis 35 at both ends thereof. Carriage 4
The right end portion of 2 is fitted around the guide shirt 1-43 so as to be movable. On the other hand, it is clear from FIG. 11(a) and the ridges that an adjustment screw 44 made of resin such as nylon is screwed into the left end of the carriage 42. The tip of the section is slidably in contact with the upper surface of the mechanical chassis 35. The carriage 42 is guided by guide means consisting of a guide shaft 43 and an adjustment screw 44.

Here, the adjustment screw 44 will be explained in detail.

This adjustment screw 44 is provided not only as a part of the guide means for guiding the carriage 42, but also for adjusting the optical pickup means built into the carriage 42, for example, in the tangential direction. It is. Therefore, the adjustment screw 44 is fixed with a screw so that it does not loosen after adjustment. Figure 14 (a) or C)
As shown in , the adjustment screw has a sleeve l-4,"la formed on the outer periphery of the screw portion along the axial direction of the screw, and the adjustment screw is connected to the normal screw that is screwed into it. Glue is filled between the slits.

The slit 44a reaches the screw head 44b, and passes through the screw 1Itr portion in the axial direction of the screw. This J, sea urchin, penetrates the screw head with the sleeve l-448 [! By closing, it becomes possible to fill the adhesive material from the first part between the screw heads 44b-1 and the slots t-44a after the adjustment work is completed, which simplifies the screw fixing work. If the slot h 44 a does not pass through the screw head 44, the threads 1 to b screws 44 will have to be screwed into the carriage 42 in advance.
In this case, there is a risk that the adhesive will overflow outward as the screws are screwed together, making the work extremely complicated.

Further, the outer diameter of the threaded portion of the adjustment screw 44 is slightly larger than the root diameter of the group screw to which it is screwed. What is the difference between setting the outer diameter of the thread part in this way? IF slit-
Coupled with the setting of 448, the adjustment screw 7I/
L is screwed into the female thread with a predetermined elastic force. Therefore, even if some external force is applied between the adjustment operation and the adhesive filling operation, the adjustment screw will not loosen and the adjustment state will not fluctuate. Note that the same effect can be obtained even if the root diameter of the threaded portion of the adjustment screw 44 is made slightly larger than the inner diameter of the female thread.

Restore description. Figures 9 and 10 and Figure 11+
a+, (as shown in b+, the mechanical chassis 35 carrying the carriage 42 in a reciprocating manner has a screw 46 attached to the screw shirt 1 which is disposed in the vicinity of the guide shaft 71I3 and parallel to the guide shirt 1. It is rotatably removed at both ends.

In front of the screw shaft 46 is a drive source 7-.
/I7 is provided, and the scricoshaft 1-46
This motor 47 drives the pulley 47a.

471) and the bells 1 to 47c.

As shown in FIGS. 10, 11(a) and (1), an arm member 49 is attached at one end to the right end of the carriage 42. As shown in FIGS. At the other end of the arm member 49, a pair of half nuts 50a, 5Qt) are provided in one direction.
6 and -C. Each half oak 1-50a, 501
) are arranged to sandwich the screw shaft 46 from each other, and are spaced apart by a predetermined distance a3 in a direction parallel to the axial center of the screw shirt I-/I6.

The above-mentioned arm member 49, half nuts 1 to 50a as female screw members integrally installed with the arm member,
50b constitutes a converter groove for converting the rotational force of the screw shaft 46 into a carriage moving force. In addition, the conversion mechanism, screw shaft 46
The motor 47 and the like constitute means for applying a driving force to the carriage 42.

Here, the above conversion 1111i will be explained in detail.

It is particularly clear from FIG. 12 (as shown in FIG. 2, when the arm member 49 is attached to the carriage 42), at the end thereof, there are a pair of 11 projecting in opposite directions to the screw shirt 1 in the direction parallel to the axial center of the screw shirt 46. Protrusion 49a.

49b is set (). The protrusions 49a and 49b have a substantially O-shaped cross-sectional shape perpendicular to their respective extension directions and a C shape.
F3, as is particularly clear from FIG. 13, the respective protrusions are located within a pair of grooves 428 and 4.2b formed on the upper surface of the right end of the main 11 ridge 42 in a direction parallel to the axial center of the screw shaft 46. An arm member 49 is attached to the carriage 42 when the two are fitted together. In addition, J shown in FIG. 11(a): Sea urchin, carriage 4
2, there are protrusions 49a, 4 from each U groove 42a and 421).
! A number removal screw retaining member 51 is provided to prevent i from escaping from #.

As described above, by fitting and tightening the protrusions 49a and 49b having an O-shaped cross section into the grooves 42a and 42b, the four arm members are attached to the carriage 42, and the screw shaft 46 is attached to the carriage 42 with the end thereof as the center. The arm member 49 can be rotated in a plane perpendicular to the axis. Various other configurations are possible in which the arm member 49 can be rotated relative to the carriage 42, but the U groove 428, 4211
This is achieved by the projections 49a and 49b, making the structure extremely simple.

Moreover, the separation distance between the pair of U grooves 42a and 42b: Sa
(Illustrated in Figure 13) is the width dimension of the arm member 49: Sb
(shown in FIG. 12), thereby allowing the arm member /I9 to move within a range of 5a-8b in a direction parallel to the axial center of the screw shirt 1-46. However, a protrusion 420 formed on the carriage 42 is elastically sandwiched between a tongue-shaped portion 49c protruding from the arm member 49, and the arm member 49 is screwed. There is no wobbling in the direction parallel to the axial center of the shaft 46.

For example, as shown in FIGS. 8 and 9, a turntable 54 that supports the disk 18 is disposed in front of the carriage 42 in the moving direction. The turntable 5 i4 is fixed to the mechanical chassis 35 and is directly rotationally driven by a human spindle motor 551. As is clear from FIG. 9, the turntable 54 has a tapered guide portion 54a that fits into the center hole 18a (shown in the first figure) of the disk 18 to align the center of the disk with the rotation center of the turntable. It is formed.

The above-mentioned turntable 54 etc., spindle motor 55
Carriage 42, screw kosha = 26 - including 71 to 46, 4 - drive force to carriage 42 ffJ
A playing means for playing a disc is constituted by a driving means for tightening, a guiding means consisting of a guide shirt, etc., and surrounding small members related to these.

As is clear from the above, the performance means is installed on the mechanical chassis 35, which is the mounting plate.
It is separated from the disk transport mechanism described above, and is installed separately in the housing 2. Although it will be explained in detail later, there is a small While the disc is being played, the mechanical connection between the playing means and the disc transport machine is released.

In addition, as mentioned above, the mechanical chassis 35 on which the above-mentioned performance means is mounted is equipped with an anti-photography member and an insulator 37.
It is fixed to the main chassis 5 and therefore to the housing 2 via. Thanks to this arrangement, almost no external vibrations are transmitted to the playing means, including the optical pickup means, and smooth playing can be performed.

Next, performance II t)', i.e. turntable b4
Clamp l! which clamps the disk 18 conveyed to 1-! ! +: I will explain about 4.

As shown in FIG. 2, FIG. 3, and FIG.
3. A swinging section extending in the front-rear direction (the direction of the arrow YIj and the opposite direction of the
~1 Noi At the end (rear end) on the storage direction side, the support shaft 58a
The 4SI (
-J is being treated. The support shaft 58a extends parallel to the rotating portion of the turntable 54, in this case in the left-right direction (the direction of the arrow X and the opposite direction).

Here, the position of the swinging member 58 shown in FIG. What's the name J? The swinging member 58 swings between the clamped position and the unclamped position. The swinging portion 4458 is biased toward the lamp position (=J) by a coil spring 59 disposed behind the support shaft 58a.

A disk-shaped pressing member 60 is attached to the front end, that is, the free end, of the swinging member 58 so as to be rotatable about its axis via a spherical bearing member 60a. The member 60 cooperates with the turntable 54 to perform a disk clamping action.As is particularly clear from FIG.
A portion of the suppressing member is held so as to protrude from the free end in a direction from the swing support end to the free end. In this case, the suppressing member 60 has a diameter of about 3
1/2 is made to protrude from the end of the oriented peak. Also, as shown in FIG. 15, the swinging member 58 has a pair of claws 581 at both ends of the pressing member 60 in the direction parallel to the support shaft 58a, that is, in the left-right direction.
held by. This allows the suppressing member 60 to rotate within a predetermined range in a plane perpendicular to the support shaft 58a (indicated by arrow R in FIG. 3).

As shown in FIGS. 3 and 15, a lever member 63 is installed at the swinging portion of the swinging member 58 and extending parallel to the swinging member. The lever member 63 has a swinging member 58 disposed at a position approximately one-fourth of its total length from the rear end of the lever member.
A shaft 63a extending parallel to the support shaft 58a of the swinging member 58 is protruded, and when the shaft 63a engages with the engaging pawl 58 (1) formed on the swinging member 58, the lever member 63 swings. It is attached to the moving member 58. Therefore, the lever member 6
3 is rotatable around a shaft 63a.

One end of the lever member 63, in this case the rear end, is pivotally attached to the support shaft 58a.

More specifically, as shown in FIGS. 8 to 10, a bracket portion 64 is provided at the rear end of the mechanical chassis 35, extending toward the road and having its tip bent forward.
), and a lever member 63 is attached to a shaft 64a formed at the tip of the bracket portion to extend parallel to the support shaft 58a.
The rear ends of the two are pivotally engaged. More specifically, a bracket portion 64 is provided at the rear end of the lever portion 4163.
631) and 630 are formed to sandwich the shaft 64a in the vertical direction J3. On the other hand, the other rotating end of the lever part 63, that is, the front end 63 [1] is in contact with the peripheral edge of the surface of the pressing member 60 facing the turntable 54.

By providing the above-described lever member 63, when the swinging member 58 is in the -11 non-clamping position, the pressing member 63
0 is held parallel to the rotating surface of the turntable 54.

As shown in FIG. 3, when the swinging member 58 reaches the ramp position marked with a - mark, the lever part IJ
A restricting portion 58e is provided that engages with an engaging protrusion 63e formed at the front end of the lever member 63 to restrict rotation of the lever member. Further, although the story goes back and forth, an engaging claw 58d formed on the swinging member 58 and engaging the shaft 63a of the lever member 63
has flexibility. Further, a clamping portion 63b is formed on the lever member 63 and engages with the shaft 64a of the bracket 1-64.

630 also has flexibility. That is, the lever member 6
The rotation center portion and rear end portion of No. 3 are elastically attached to the swinging member 58 and the brackets 1 to 64 (therefore, to the support shaft 58a).

When the swinging member 58 reaches the first ramp position, the front end 63d of the lever member 63 separates from the outer peripheral edge of the pressing member 60, but at the same time, the lever member 63 also becomes freely movable. . As described above, by providing the control part b8e ( ) and elastically supporting the lever member 63, the lever member is restrained with a predetermined elastic force 41,
Resonance of the lever member due to external vibration can be suppressed.

In addition, since the lever member 63 can be attached to the swinging member 58 by simply inserting the lever member 63 into the platform while bending the engagement claw 58d mentioned above, the installation work can be done in a short time. There's a roar inside. Also, lever part 6301! End bracket 1
The platform connecting the shaft 64a of the ~ section 64 is also connected to the clamping section 63h.
, 630 and insert the shaft 64a between them.This completes the connection.

As is particularly clear from FIG. 3, the lever member 30 for swinging the pair of support members 19 and 20, which are TI antennas, in accordance with the reciprocating motion of the moving member 23 is located at its other pivoting end, that is, A3 is located at the upper end and engaged with the swinging member 58. Specifically, a linear cam portion 58o is formed on the lower surface of the swinging member 58 along the 1-ray movement direction (back and forth direction), and the upper end portion of the lever member 30 is formed on the linear cam portion 58o. They are movably engaged. After 1 to 10 reach the storage position H in the housing 2, the lever portion 4A30 rotates in the direction of the arrow Q due to the backward movement of the moving member 23, and the swinging member 58 returns to the clamping position. It is designed to oscillate toward.

Here, the upper end of the lever member 30, that is, the swinging member 5
8 linear cam portion 58g Which engaging portion is the roller member 30d
It becomes. In this way, the roller member 30d is installed ().
As a result, mutual sliding between the upper end of the lever member 30 and the linear cam portion 580 is smooth.

Further, even after the swinging member 58 reaches the above-mentioned clamping position, the lever part +430 continues to rotate by a predetermined angle in the direction of the arrow Qh.
The roller portion 44' 30d of the lever member 30 is spaced apart from the linear cam portion 58g. With this configuration, the state of mechanical connection between the playing means (described above) mounted on the mechanical chassis 35 together with the swinging member 58 and the moving member 23 which is a part of the side of the disc 1) 0 feeder is improved. cannot be completely released while the disc is playing. Therefore, there is no concern that external vibrations will be transmitted from the disk transport mechanism to the performance means, and smooth performance can be achieved.

J A clamping mechanism is constructed to clamp the disc 18 that is conveyed to the turntable 54 at the first stage of the performance.

As shown in FIG. 3, FIG. 5, and FIG. 6, on the upper surface of the right rear end of the cover member 11, which is a component of the 992 pull mechanism, there is a A roller portion 4465 is provided on the linear cam portion 580 that engages when the tray protrudes outside the housing. This bracket member 65 acts on the retaining means for retaining the movable member 58 in the unclamped position.

As shown in FIG. 3, a detection switch 68 is fixedly provided below the front end of the sub-chassis 6.

This detection switch 68 is activated by engagement of protrusions (no reference numerals) protruding between predetermined positions of the moving member 23. ~Emits a signal to detect completion of protrusion of the ray 10 out of the housing. Further, as shown in FIG. 10, a part of the =1-year ridge 42 carrying an optical pickup means is engaged with the lower surface of the mechanical V-y 35, so that the carriage reaches the movement limit position. A detection switch 69 is provided for detecting the occurrence of an abnormality.

Incidentally, the detection signals emitted from each of the detection switches 68 and 69 described above are transmitted to a control section (not shown) provided within the housing 2. In addition, the motor 26 is activated by an operation signal sent from the control section in response to each of these detection signals.
and 47 and spindle l: part 55 performs C movement f1 at a predetermined timing to be described later.

Next, the operation of the playing disk player 17 having the above-described structure will be explained in accordance with the playing procedure, with reference also to FIGS. 18 to 20.

First, as shown in FIG. 1, the disk 18 is inserted 197 into the cylindrical recess 11a of 1 to 100 protruding from the housing 2, and the supporting members 19 and 20 (=1 antenna) are inserted (see FIG. 6). ” Placed on the second page.

It should be noted that the operation of protruding the disk carrying portion consisting of the tray 10, supporting members 19, 20, etc. out of the housing is performed by following the exact opposite of the storage operation described below, and therefore will not be described in detail.

After placing the disk 18, press the front panel of the housing 2 and the switch group installed on the panel 3 (not shown).
When you press the loading switch J0, motor 2
6 begins to rotate, the gear 24 rotates (), and the moving member 23 is driven backward. However, as shown in FIG. 3, for example, the rotatable member 33 fitted into the opening (no reference numeral) formed in the protrusion 12b of the slide base 12 is inserted into the protrusion 23d of the movable member 23. By engaging with the formed M224 23e, the movable member 23 cannot move relative to the ray 10 including the slide base 12, and therefore the supporting members 19 and 20 cannot move relative to the ray 10. is locked. Therefore, by the rotation of the gear 24, only the moving members 23, etc. 1 to the ray 10 are moved rearward.

Note that, as the tray 10 moves backward, the rotatable member 33 moves over the slide portion 6C of the sub chassis 6 while being engaged with the second fourth portion 23e.

When rays 1 to 10 reach the storage position in the housing 2,
The front bent portion 120 of the slide base 12, which is a component of the tray 10, comes into contact with the front end portion of the sub-chassis 6, and the first
The state shown in Figure 6 is reached.

Note that FIG. 17 is a plan view of this state. As is clear from FIG. 16, at this time, the first four portions 6d.

The second fourth portion 23e and the opening (no reference numeral) of the protrusion 12b coaxially oppose each other. Since the movable member 23 is still being given a rearward driving force of =37-, the front end bent portion 120 of the slide base 12 is aligned with the front p of the subchassis 6.
Coupled with the fact that the backward movement of the slide base is stopped when it comes into contact with the Mj section, the rotatable 33 moves to the second fourth section 2.
30 and enters into the first fourth part 6d. As a result, the 1-lay 10 including the slide base 12 is locked to the sub-chassis 6, and the 1-lay 10 including the slide base 12 is locked to the sub-chassis 6. Moving part '4A to Y
The locked state of the container 23 with respect to the tray 10, and therefore the locked state of the supporting member 19, 20, which is a container, with respect to the h1 soy 10 is released. Thus, the moving member 23
The rearward movement of the needle continues until the state shown in FIGS. 18 and 19 is reached. That is, as only the transfer member 23 moves backward, the lever part +J 30 rotates around the bin 30a, and as a result, the support members 10 and 20 carrying the disk 18 are moved as shown in FIG. oscillate.

Therefore, the center hole 18a (shown in the first figure) of the disk 18 fits into the tapered guide portion 54a of the turntable 57I, and the disk 18 is placed on the turntable.

Moreover, as shown in FIG. 20, the support member 1
The support portions 19b (and 20b) of 9 (and 20) are separated from the disk 18, and the disk 18 becomes rotatable together with the turntable 54.

On the other hand, as shown in FIG. 18, as the support members 19 and 20 swing downward, the lever member 30
- The swinging member 58 engaged with the part A, f130d with a linear force 11 part 58Q is caused by the coil spring 59
The horn moves downward by Δ:6, and the suppressing member 60 installed at the free end of the swinging portion H is pushed against the upper surface of the disk 18, thereby clamping the disk 18. .

Moving part +: When A23 reaches the backward movement limit position, a protrusion (not shown) protruding from a predetermined position on the front end of the moving member engages with the detection switch 68, and the detection switch is activated. do. The aforementioned control section (not shown) includes a detection switch 6
8 operates and a detection signal is emitted, and 1-ray 1
Considering that 0 is being driven in the storage direction, the 1
- When the disk holding portion including the ray reaches the storage position in the housing 2, it is determined that the disk clamping is completed and the motor 26 is stopped. In this state, the disc can be played.

C゛, if the listener notices that the disc 18 has been inserted incorrectly and stops the storing operation of rays 1 to 10 by hand, or due to other reasons in ii. This section explains the case where an abnormal load is applied that prevents storage.

If the storing operation of the I-ray 10, therefore, the disk holding section is stopped midway through C111, the above-mentioned detection switch 6
8 will never change its operation. The storage operation requires almost a certain amount of time, but the control section
If the detection switch 68 does not operate even after a certain period of time has elapsed since the rotation of the motor 6 starts rotating, it is determined that the above-mentioned abnormal load has been applied. And in this case, motor 2
6 is reversed to drive the first helay 10 in the projecting direction.

When the loading of the disc 18 is completed without any abnormal load being applied, the spindle motor 55 rotates, and at the same time, the motor/I7 rotates, the carriage 42 (for example, see FIG. 10) begins to move, and disc play begins. Ru.

When the performance is finished, the carriage 42 reaches the movement limit fi/j.
When the detection switch 69 detects that the work has been done, the carriage/I2 and the turntable 54 are stopped, and at the same time the motor 26 starts the reverse operation f). Therefore, as previously mentioned, tray 10 and support member 19.
The disk carrier including 20 protrudes out of the housing 2 through a process that is completely reverse to the above. 1-When the ray 10 reaches the protruding position outside the housing 2, a protrusion (not shown) protruding from a predetermined position on the rear end of the moving member 23 touches the detection switch 6.
8, the detection switch operates. The control unit (described above) detects that the detection switch 68 is activated and a detection signal is issued, and that the rays 1 to 10 are being driven in the ejection direction, and determines that the disk carrying tray including the tray is The motor 26 is stopped upon determining that the motor 26 has reached the protruding position outside the housing 2.

In this way, the disc is recovered.

As described in detail above, in the fluorocarbon disk player according to the present invention, the disk holding portion (1
A guide support mechanism that supports the disk holding part in the direction parallel to the rotating surface of the turntable moves the disk holding part in the direction parallel to the rotating surface of the turntable. It is supported and guided in at least two places on one side so that it can move freely only in the direction of movement.
A guide means (slide guide mechanism - consisting of V grooves 6a, 12a, etc.) is provided near the opening (3a) formed in the player housing for protruding and storing the disc holder, and the disc holder is guided in the above-mentioned moving direction. The other side τ related to η
In addition, the support body (9) is movably supported at at least one location only in the movement direction.

With this configuration, a part of the guide support mechanism and a part of the fluorocarbon containing an extremely large support member ([]
-Compared to a disc player, the actual size of the guide support mechanism can be reduced, and the surplus space 1711 created by this can be used for pickup, turntable (
5/I) etc., the performance means A5 control circuit etc. are arranged, 1q,
This makes it difficult to downsize the player as a whole. As is clear from the above, in the front t-coding disc according to the present invention, the guide support device 14 is formed by combining 27 relatively small members, and each of these members is It can be manufactured on a small scale machine and is inexpensive.

Further, in the 31st aspect of the present invention, in the front 1 to 1 - ding disk plate (), behind the guide support mechanism, a bearing part +A (14a, 14b) and a retainer (
14) etc., the only part that supports one side of the disc holder in a movable manner is the part that supports the disc holder in a movable manner, and the other side of the disc holder is supported by the support member (9) of 11-. Supported in a movable manner. Therefore, a guide mechanism is installed on both sides of the disk holding part (J da fron 1 ~ [
Compared to the 1-ding disc play X7, the 21st disc is cheaper.

[Brief explanation of the drawing]

Fig. 1 is a perspective view showing the whole of the loading disc player 17 according to the present invention, and Figs. 2 to 4 are related to the internal structure of the loading disc player. A plan view showing a part and including a partial cross section, II
I! I in'i diagram and front view, Figures 5 and 6 are plan views of peripheral members of 1 to ray, and Figure 7 is a cross-sectional view of \/l- to /fl related to Figure 6. , Figures 8 to 10 show the plan view, side sectional view, bottom view, Figure 11 (a), Figure 12, Figure 13, and Figure 10 of the equipment mounted on the fuselage 1, respectively. Fig. 14 (a+ to fc) is a partial detailed view of the device, Fig. 15 is a plan view including a partial cross section of the mechanical seat and the clamping mechanism that is attached to it, Fig. 16 FIG. 20 is a diagram for explaining the operation of the fan loading disc player. Explanation of symbols of main parts 2...Housing 3...) 1] Front panel 3a, 11h, 3jia, 36a---
-Opening part 5...Main chassis 6C...Slide part 6...Sub chassis 6a, 12a...V groove 6G...Slide part 6 (1...first fourth part 7...pressing member 7a, 711, /19a, 491+...
Protrusion 7C...Slit 9...Support 10...i to Ray 11...Cover member 11a...Cylindrical four parts 12. ...Slide base 12b...Protrusion portion 12c...Front end bent portion 14...Retainer 14a...First bearing member 14b...
...Second bearing member 15...Slide plate 16...Decorative panel 18...Disc 18a...Center hole 19.20... Supporting member 1')a, 20a...Part 19b, 20h...Supporting part 190.200...Tapered disk guide part 1
9d, 20d... Swing support shaft 23...
Moving member 23a...Rack part 231)...U-shaped four parts 23d...Protrusion part 23e...Second fourth part 24... Gears 25, 47a, 47b...-Pulley 2
6.47...Motor 26a...Small pulley 27...Belt 30...Lever member 30a, 30h...Bin 30d, 65 ...Roller member 31.59...Coil spring 33...
... Movable piece 35 ... Mekashi V-shi 36 ... Leg section 37 ... Insulator 38 ... Company-like leg member 38a ... Flange portion 39... Viscoelastic 1 (1 part (Δ 42...Kireridge 112a, 4 2+1 -------L)
)-~42c...Protrusion 43...Guide shaft 71~ /I4...Adjustment screw 44a...To sleeve 1 4=1b... ...screw head 46...screw 1771~/I9...
...Arm member 49c...Tangular portions 50a, 50b...Half nut 51...
...Ejection 1 stopper member 5/I...Turntable 5/Ia...Tapered guide portion 55...
・Spindle motor 58... Swinging member 58a... Support shaft 581)... Claw 58 (1... Engaging claw 580... Regulation part 58g... Linear cam part 60... Pressing member 60a... Spherical bearing member 63...
- Lever members 63a, 648...shafts 63b, 63c...grip portion 63d...front end 63e...engaging protrusion

Claims (1)

[Claims] The disc transport mechanism includes a housing, a playing means provided in the housing, and a disc transport mechanism that carries a disc to be played and transports it to a performance position, and the disc transport mechanism includes a guide support mechanism and a disc transport mechanism that supports a disc to be played. a disc holder movably attached to the housing and protruding from and retractable through an opening provided in the housing; a guide means that supports and guides the disk holding part at at least two places on one side and movably in the moving direction; 1. A front-loading disc player comprising: a support member that is movably supported at at least one location.