JPH042440Y2 - - Google Patents

Description

[Detailed Description of the Invention] <Industrial Application Field> The present invention relates to a cassette holder device provided for mounting the tape cassette in a tape recorder using a tape cassette.

<Background Art and its Problems> Conventionally, as a cassette holder device installed in a tape recorder using a tape cassette, the tape cassette is formed by injection molding, for example, of synthetic resin so that the tape cassette can be freely removed from an opening at one end. The cassette holder has a frame-like cassette holder, and the cassette holder is attached to the tape recorder main body so as to be rotatable within a predetermined range, one end of the cassette holder protrudes from the outside of the tape recorder main body, and the opening is The tape cassette is stored or taken out at the first rotational position in the open state, and the tape cassette is stored in the tape recorder main body at the first rotational position in which the opening is in the closed state. A tape recorder is known in which the tape cassette is placed in a predetermined mounting state at the second rotational position and recording or reproduction is performed by the tape recorder.

In such a cassette holder device,
In order to provide the cassette holder rotatably within a predetermined range, that is, within a range from the first rotational position to the second rotational position, a first fitting is provided at the other end of both sides of the cassette holder. A shaft is provided protrudingly, and a second fitting shaft is protrusively provided in the middle of the both sides, and is provided on the tape recorder main body, for example, on a cassette holder mounting board constituting a mechanical chassis,
A first fitting that rotatably supports the first fitting shaft is provided, and a second fitting that supports the second fitting shaft movably within a predetermined range is provided. There is. That is, the first
The fitting has a fitting hole into which the first fitting shaft is rotatably fitted, and the second fitting has a second fitting which moves in an arc shape as the cassette holder rotates. The fitting shaft has an elongated hole into which the fitting shaft is fitted, and the elongated hole restricts the movement range of the fitting shaft, and the cassette holder is moved between a first rotational position and a second rotational position. It is something to keep.

By the way, each of these mounting brackets is formed by sheet metal processing, and one pair is provided corresponding to each fitting shaft provided on both sides of the cassette holder, and each is attached to the cassette holder mounting board with a fixing screw. It is something that Furthermore, in the cassette holder device in which the cassette holder is formed by injection molding from synthetic resin as described above, each of the fitting shafts mentioned above is also integrally formed during injection molding. When the mating shafts are fitted into the fitting holes or elongated holes of the respective mounting fittings, these fitting shafts directly slide into contact with the edges of the fitting holes or elongated holes, resulting in significant wear. Therefore, it is necessary to provide these fitting shafts with protective caps made of hard synthetic resin to prevent wear.

Therefore, such a cassette holder device requires the above-mentioned protective cap and fixing screw, has a large number of parts, and has a disadvantage that the structure is complicated.

In such a cassette holder device, the work of assembling the cassette holder to the cassette holder mounting board involves fitting the first fitting shaft of the cassette holder into the first mounting fitting via a protective cap. In this state, the first mounting bracket is screwed, and then the second fitting shaft is screwed into the second fitting.
It is extremely complicated to screw the second mounting fitting into the second mounting fitting.

Furthermore, in the case of a cassette holder device with a complicated structure as mentioned above, each component such as the above-mentioned mounting brackets and fitting shaft must be made smaller than the other, which increases the strength of each component. As a result, it is easy to cause damage, deformation, or looseness, making it difficult to obtain excellent durability and quality stability.

<Purpose of the invention> Therefore, in view of the above-mentioned circumstances, the present invention has a small number of parts, a simple structure, and is strong and durable.Moreover, the cassette holder is easy to assemble and remove, easy to manufacture, and easy to maintain. It is an object of the present invention to provide a cassette holder device that is also excellent in serviceability.

<Means for Achieving the Object> In order to achieve the above-mentioned object, the cassette holder device for a tape recorder according to the present invention includes a cassette holder formed by molding a synthetic resin into which the tape cassette is inserted and held. The first engaging portion for rotating the holder and the second engaging portion for regulating the amount of rotation of the cassette holder are integrally formed, and at least a tape running mechanism is provided on the tape recorder main body side. a third engaging part with which the first engaging part rotatably engages with the cassette holder mounting board; a fourth engaging part with which the second engaging part relatively engages; are integrally formed by outsert molding, and by engaging the first engaging part with the third engaging part, the cassette holder is rotatably supported by the cassette holder mounting board. Additionally, the amount of rotation of the cassette holder is regulated by relatively engaging the second engaging portion and the fourth engaging portion.

<Function> The cassette holder device for a tape recorder according to the present invention allows the cassette holder to be attached to the cassette holder by engaging the first engaging portion formed on the cassette holder with the third engaging portion formed on the cassette holder mounting board. is rotatably mounted on the cassette holder mounting board.

Further, the relative engagement between the second engaging portion formed on the cassette holder and the fourth engaging portion formed on the cassette holder mounting board achieves regulation of the amount of rotation of the cassette holder.

<Examples> Hereinafter, specific examples of the present invention will be described in detail with reference to the drawings.

As shown in FIG. 1, the cassette holder device according to the present invention has a cassette holder mounting board 1 that is attached to a tape recorder body and constitutes a mechanical chassis of the tape recorder, and a cassette holder mounting board 1 that is mounted within a predetermined range. The cassette holder 2 is mounted so as to be able to rotate. The cassette holder 2 is integrally formed by injection molding synthetic resin, and as shown in FIGS. 2 and 3, an opening 3 is formed at one end that can be rotated. The tape cassette is formed into a substantially frame shape into which a tape cassette can be freely inserted and stored, and the opening 3 protrudes from the outer casing 4 constituting the tape recorder main body when placed in the open state. At the first rotational position shown in FIG. The tape cassette is placed in a predetermined mounting state in the second rotating position shown in FIG. etc. are recorded or played back. That is, on the side of the cassette holder mounting board 1, there are a pair of reel drive shafts (not shown) that run the magnetic tape of the tape cassette, a pinch roller, and a magnetic head such as a capstan that performs recording or reproduction on the magnetic tape. Various members are arranged to perform various operations on the tape cassette placed in the second rotational position.

In this cassette holder device, the cassette holder 2 is rotatable relative to the cassette holder mounting board 1 within a predetermined range, that is, within a range from the first rotation position to the second rotation position. For this purpose, the cassette holder 2 is provided with first engaging parts 5, 5 and second engaging parts 6, 6 on both sides thereof, and the cassette holder mounting board 1 is provided with the above-mentioned engaging parts 5, 5 and second engaging parts 6, 6, respectively. Third engaging parts 7, 7 that engage with each of the first engaging parts 5, 5 and fourth engaging parts 8, 8 that engage with each of the second engaging parts 6, 6 are provided. It is being the first engaging portion 5;
5 and the second engaging portions 6, 6 are integrally formed when the cassette holder 2 is molded, and the third engaging portions 7, 7 and the fourth engaging portions 8, 8 are integrally formed. teeth,
It is integrally formed on the cassette holder mounting board 1 by outsert injection molding of synthetic resin.

The third engaging portions 7, 7 provided on the cassette holder mounting board 1 rotatably support the cassette holder 2, and for example, as shown in FIG. an engaging shaft portion 10 having a pair of flat guide plate portions 9, 9 along the rotating direction of the holder 2, and provided to connect these guide plate portions 9, 9;
A receiving portion 11 is formed at the base end of each of the guide plate portions 9, 9 at a predetermined distance from the engaging shaft portion 10.

Further, the first
The engaging parts 5, 5 are provided for rotation of this cassette holder 2, and are respectively
The cassette holder 2 is formed into a flat plate shape in the rotating direction of the cassette holder 2 so that it can be inserted between the guide plate parts 9, 9 of the engaging parts 7, 7, and as shown in FIG. It is formed into a substantially V-shaped hook shape with a tapered insertion part 5a at the tip so that it can be rotatably engaged with the mating shaft part 10 and slidably received in the receiving part 11. be. That is,
When the rotational position of the cassette holder 2 is within a predetermined range, the first engaging portion 5 has a hook-like curved middle portion that engages the engaging shaft portion 10 and the receiving portion 1.
1, and is supported so that it can be displaced only in the rotational direction.

As shown in FIG. 6, the engaging shaft portion 10 has a burr 10a formed at the joint portion of the mold during the above-mentioned outsert injection molding, such as the tip of the first engaging portion 5. In order to prevent the first engaging portion 5 from interfering with the smooth rotation of the first engaging portion 5, the portion of the engaging shaft portion 10 where the burr 10a is formed is partially reduced in diameter. , the burr 10a is prevented from coming into contact with the first engaging portion 5.

Further, the fourth engaging portions 8, 8 provided on the cassette holder mounting board 1 are rectangular column parts 12 having a length corresponding to the rotation range of the cassette holder 2 that is erected on the cassette holder mounting board 1. and the seventh
As shown in the figure, at the tip of this rectangular column portion 12, there is provided a rod which is bent toward the opposing surface of each of the fourth engaging portions 8, 8 and engages with the second engaging portion 6 of the cassette holder 2. A locking piece 13 is provided to fit the cassette holder mounting board 1 at the tip of the locking piece 13.
A claw portion 14 for preventing slippage is formed by folding back to the side. Each of the rectangular pillar parts 12, 12 has mutually opposing surfaces serving as guide surfaces 12a, 12a for guiding the rotation of the cassette holder 2, and is formed to be elastically deformable, for example, by mutually expanding them. , the cassette holder 2 can be attached and detached. and,
As shown in FIG. 3, the base end portions of the fourth engaging portions 8, 8 are provided with the second engaging portions when the cassette holder 2 moves to the first rotating position. A hole is formed to allow the tips of the mating parts 6, 6 to escape to the back side of the cassette holder mounting board 1, and cover recesses 15, 15 are provided in this hole. These cover recesses 15, 15 are integrally formed with the respective fourth engaging portions 8, 8,
It has a depth corresponding to the amount of protrusion of the second engaging portions 6, 6 when the cassette holder 2 is placed in the first rotational position, and protrudes toward the back side of the cassette holder mounting board 1. The distal end portions of the second engaging portions 6, 6 are covered to prevent the distal end portions from engaging with other members or the like.

In addition, a second
The engaging parts 6, 6 each have an arm part 16 disposed inside each of the fourth engaging parts 8, 8,
An engaging piece 17 is provided at the tip of this arm portion 16, and is bent toward the guide surface 12a of each of the fourth engaging portions 8, 8, and engages with the locking piece 13. A claw portion 18 is formed at the tip of the arm portion 17 to prevent the arm from coming off, which is folded back toward the base end side of the arm portion 16. The distal end surfaces 17a of the respective engaging pieces 17, 17 are adapted to come into sliding contact with the guide surfaces 12a formed on the fourth engaging portions 8, 8,
The cassette holder 2 is guided by this guide surface 12a and can rotate.

In addition, the cassette holder mounting board 1 includes:
When the cassette holder 2 moves to the second rotational position, a pair of regulating pieces 19, 19 abut against the tip of the cassette holder 2 and position and hold the cassette holder 2 in the second rotational position. It is provided.

In the cassette holder device configured as described above, when the cassette holder 2 is attached to the cassette holder mounting board 1, first, as shown in FIG. is engaged with the engagement shaft portion 10 of the third engagement portion 7 from above the cassette holder mounting board 1. Then, the cassette holder 2 is rotated in the direction of the arrow A in FIG. Each second engaging portion 6.6 is engaged. Then, the first engaging parts 5, 5 are inserted between the engaging shaft 10 and the receiving part 11 of the third engaging parts 7, 7 as the cassette holder 2 rotates. Therefore, it is engaged and held by the third engaging portions 7, 7. The cassette holder 2 mounted in this manner is rotatable around the first engaging parts 5, 5, and the second engaging parts 6, 6 are connected to the fourth engaging parts 5, 5. The cassette holder 2 can be freely rotated from a first rotational position where it engages with the parts 8, 8 to a second rotational position where the distal end of the cassette holder 2 is received by the regulation pieces 19, 19. become. When the second engaging portion 6 and the fourth engaging portion 8 are engaged, the claw portions 14 and 1 of each other are engaged with each other.
8 are engaged and placed in a firmly engaged state, and will not come off even if, for example, the cassette holder 2 is rotated with a large force.

Also, during maintenance of such a cassette holder device, the fourth engaging portions 8, 8 are expanded to avoid engagement with the second engaging portions 6, 6. By rotating the cassette holder 2, the cassette holder 2 can be easily removed.

Note that there is a space between the cassette holder 2 and the cassette holder mounting board 1 that are installed as described above.
A coil spring or the like is interposed, and the cassette holder 2
It is designed to automatically rotate by operating a switch or the like.

Although the embodiments of the present invention have been described above, the present invention is not limited to the above embodiments and can be modified in various ways. For example, the third engaging portion 7 may be formed into a hook shape, and the first engaging portion 5 may be provided with an engaging shaft portion 10 and a receiving portion 10, so that they are rotatably engaged with each other. . Further, the tip surfaces of the second engaging portion 6 and the fourth engaging portion 8 are formed into inclined surfaces, and the tip portions of the engaging portions 6 and 8 are abutted against each other. The engaging portions 6, 6 or the fourth engaging portions 8, 8 may be deformed and automatically engaged. In this way, the assembly of the cassette holder 2 can be further facilitated.

Further, the first cassette holder 2 is provided with a
The engaging portion 5 and the second engaging portion 6 may be formed integrally with each other depending on the type of material forming the cassette holder 2. For example, if the cassette holder 2 is made of metal, the engaging portion 5 and the second engaging portion 6 may be Alternatively, if the cassette holder 2 is made of synthetic resin, a metal plate integrally formed on the cassette holder 2 by insert molding may be used. It may be something like this.

Further, in the above embodiment, each pair of the first engaging portion 5, the second engaging portion 6, the third engaging portion 7, and the fourth engaging portion
However, by separately providing a means for preventing the cassette holder 2 from wobbling, the cassette holder 2 can be connected to a single engaging portion 5,
6, 7, and 8 may be used.

<Effects of the Invention> As is clear from the description of the embodiments described above, according to the present invention, the component for rotatably attaching the cassette holder to the cassette holder mounting board is the first component provided on the cassette holder. There are only an engaging part, a second engaging part, and a third engaging part and a fourth engaging part that are integrally provided on the cassette holder mounting board by outsert molding, and there are no mounting hardware, fixing screws, Furthermore, there is no need to provide a large number of separately formed parts such as protective caps and the like to the cassette holder and the cassette holder mounting board. Therefore, the cassette holder device can have a small number of parts and a simple structure. Further, it is not necessary to construct the cassette holder device with a large number of parts as described above, and each of the above-mentioned engaging portions can be formed with sufficient strength, making it possible to obtain a cassette holder device that is sturdy and has excellent durability. . Furthermore, since each of the above-mentioned engaging parts is formed of a synthetic resin molded body, it can be easily elastically deformed, and the operations for attaching and detaching the cassette holder to and from the cassette holder mounting board can be performed extremely easily. , assembly, maintenance, etc. become easier.
In particular, an engaging part formed by outsert molding is provided on the cassette holder mounting board on which a mechanical part such as a tape running mechanism is arranged, and the cassette holder to which the tape cassette is attached is attached using this engaging part. This not only simplifies the configuration of the cassette holder mounting board and facilitates the assembly of mechanical parts such as the tape running mechanism, but also allows the cassette holder to be mounted on the cassette holder mounting board, making it possible to use the cassette holder as a tape recorder. Since all functions are configured, the ease of assembly of the tape recorder itself can be improved.

[Brief explanation of the drawing]

FIG. 1 is a schematic exploded perspective view showing an embodiment of the cassette holder device according to the present invention, FIG. 2 is a schematic side view showing the cassette holder placed in the first rotating position, and FIG. A schematic side view showing the cassette holder placed in the second rotational position;
The figure is a schematic front view showing the third engaging part, FIG. 5 is a schematic side view showing the engaged state of the third engaging part and the first engaging part, and FIG. 6 is the engaging shaft. FIG. 7 is a front view of the main part showing the state of engagement between the second engaging part and the fourth engaging part, and FIG. 8 is a schematic diagram illustrating the installation work of the cassette holder. FIG. DESCRIPTION OF SYMBOLS 1...Cassette holder mounting board, 2...Cassette holder, 4...Outer casing constituting the tape recorder main body, 5...First engaging part, 6...Second engaging part, 7... Third engaging part 3 an engaging portion, 8...a fourth engaging portion.

Claims (1)

[Claims for Utility Model Registration] A cassette holder formed by molding synthetic resin into which a tape cassette is inserted and held has a first engaging portion for rotating the cassette holder and a second engaging portion for regulating the amount of rotation of the cassette holder. The first engaging part is rotatably engaged with a cassette holder mounting board, which is disposed on the tape recorder main body and is provided with at least a tape running mechanism. A third engaging part that engages with the second engaging part and a fourth engaging part that engages with the second engaging part are integrally formed by outsert molding, and the first engaging part By engaging with the third engaging part, the cassette holder is rotatably supported by the cassette holder mounting board, and the second engaging part and the fourth engaging part are brought into relative engagement. A cassette holder device for a tape recorder, wherein the cassette holder is mounted so as to restrict the amount of rotation of the cassette holder.