JPH0724744U - Lock device such as lid - Google Patents

Abstract

(57) [Summary] [Purpose] Lock the lid firmly without any gaps. [Structure] A lock device 1 for locking a lid 13 is provided in a rear cabinet 11. In the lock device 1, with the lid 13 closed, the convex portion 18 provided on the edge of the lid 13
Pushes the tip 32 of the operating plate 30 to determine the position of the operating plate 30. At that position, the operating plate 30 pushes the second lock portion 43 provided on the lock lever 40 by the locking portion 38, moves the lock lever 40 to the right, and determines the position of the lock lever 40. At that position, the lock lever 40 locks the lock piece 22 provided on the lid 13 by urging the lock piece 22 provided on the lid 13 by the taper portion 44 of the first lock portion 42 provided on the upper portion thereof. In the above state, the lid 13 is firmly locked to the rear cabinet 11 without any gap.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a locking device such as a lid for preventing the lid from accidentally opening when the lid such as a storage case is closed.

[0002]

[Prior art]

 In order to prevent the stored items and cassette tapes from falling off, there is a lid that opens and closes on the storage case for storing and transporting items and so-called portable cassette tape recorders. And a locking device for locking the closed state of the lid with respect to the main body. 5 and 6 show a locking device such as a lid used in a portable tape recorder.

In a first example of a conventional locking device of this type shown in FIG. 5, a tape recorder 10 is for housing a rear cabinet 11 and a cassette tape (not shown) provided in the rear cabinet 11. It comprises a storage chamber 12 and a lid 13 for preventing the stored cassette tape from falling out of the storage chamber 12. The rear end of the lid 13 is joined to the rear cabinet 11 by a hinge 14 or the like so that the lid 13 can be opened and closed in the direction indicated by the arrow A with respect to the rear cabinet 11. Further, in order to prevent the lid 13 from being opened accidentally when the lid 13 is closed, the lock device 17 including the lock lever 15 provided on the rear cabinet 13 and the lock piece 16 provided on the lid 13 is provided in the tape recorder 10. It is provided at one end.

In the lock device 17, the lid 13 is opened and closed by moving the lock lever 16 in the direction indicated by the arrow B. That is, since the lock piece 16 of the lid 13 presses the taper surface of the lock lever 15 of the rear cabinet 11 in response to the closing operation of the lid 13 from the open state, the lock lever 15 moves to the arrow front side, and then the biasing force not shown Since it returns to the original position by the force, the lock piece 16 is locked by the lock lever 15. Therefore, the lid 13 is in a closed state in which it is locked to the rear cabinet 11. Further, in this closed state, the lock lever 15 is moved to the arrow front side by an operation button (not shown) to release the engagement between the lock lever 15 and the lock piece 16, and the lid 13 is moved in the opening direction. An open state can be obtained.

FIG. 7 shows a second example of the conventional locking device. In this second example, the lock device 17 shown in the above-mentioned first example is provided in the central portion of the entire surface of the tape recorder 10, and a detailed description thereof will be omitted. Can be opened and closed with respect to the rear cabinet 11.

[0006]

[Problems to be solved by the device]

 In the lock device 17 described above, in the first example, since the lock device 17 is provided only on one end side of the tape recorder 10, the other end side where the lock device is not provided may float. . Further, in the second example, since the lock device 17 is provided in the central portion of the tape recorder 10, the lid 13 does not float unlike the first example. However, since the lock lever 15 simply moves parallel to the lid 13, when the lock piece 17 is locked by the lock lever 15, the lock lever 15 has no action of pulling the lid 13 toward the rear cabinet 11. I don't have it. Therefore, a gap may occur between the lid 13 and the rear cabinet 11 due to variations in the dimensions and shapes of the locking device 17, the lid 13 and the rear cabinet 11 and mounting errors.

The present invention relates to a locking device for solving the above-mentioned problems, and it is possible to close the lid even if there are variations in the dimensions or shapes of the parts or mounting errors in the locking device, the lid and the rear cabinet. An object of the present invention is to provide a locking device such as a lid capable of preventing a gap generated between the storage case body and the lid in the state.

[0008]

[Means for Solving the Problems]

 In order to solve the above-mentioned problems, in the present invention, in order to lock the lid that is openable and closable with respect to the main body of the storage case or the like in a closed state, the lock of the lid or the like that is provided at approximately the center of the storage case In the device, a lock piece provided on the lid, an actuating plate provided on the main body and moving in association with a closing operation of the lid, and a lock lever controlled by the actuating plate are included. It is characterized in that the lid is locked in the closed state by locking the lock piece with the lock lever.

[0009]

[Action]

 In the closed state of the lid 13 shown in FIGS. 1 and 2, the distal end portion 32 of the actuating plate 30 is pressed by the convex portion 18 provided on the edge of the lid 13, and the locking portion 38 of the lock portion 35 of the actuating plate 30. Since the second lock portion 43 of the lock lever 40 is regulated by the lock lever 40, the lock lever 43 is urged to the right through the flexible portion 45, and the first lock portion 42 locks the lock piece 22 of the lid 13 to the rear cabinet 11. The action of pulling to the side can be maintained to maintain a strong locked state, and it is possible to prevent a gap from being generated between the rear cabinet 11 and the lid 13.

[0010]

【Example】

 Next, an embodiment of a lock device such as a lid according to the present invention will be described in detail with reference to the drawings. The same parts as those described above are designated by the same reference numerals, and detailed description thereof will be omitted.

FIG. 1 shows a portable cassette tape recorder 10 to which a lock device such as a lid according to the present invention is applied, and the lock device 1 is provided substantially at the center of the front surface of the tape recorder 10. The lock device 1 includes an operating plate 30, a lock lever 40 and a torsion spring 50 arranged on a rectangular plate-shaped chassis 21 fixed to the inside of a rear cabinet 13, a lock piece 22 and a lid 13 arranged on the lid 13. And the convex portion 18 provided on the.

The operating plate 30 is made of, for example, a plate-shaped material, and is attached to the chassis 21 so as to be rotatable about a shaft 61. The operating plate 30 is always urged in the clockwise direction by the torsion spring 50, and for this reason, a support portion 31 that supports one end of the torsion spring 50 is provided. The tip 32 of the actuating plate 30 is pushed by the convex portion 18 provided on the edge of the lid 13 in association with the closing operation of the lid 13. The operating plate 30 rotates about the shaft 61, and the clockwise rotation due to the bias of the torsion spring 50 is restricted by the operating portion 39 hitting the convex portion 23.

Further, the operating plate 30 is provided with a lock portion 35, and the lock portion 35 is provided with a pair of taper portions 36 and 37 provided so as to face each other and a locking portion sandwiched by the taper portions 36 and 37. 38. The locking portion 38 is a part of a circle centered on the shaft 61, and its radius or length is appropriately determined. The operating plate 30 is provided with an operating portion 39 for operating the operating plate 30 from the outside of the rear cabinet 11, and the operating portion 39 is provided with a slide knob for operating via a slit 24 provided in the rear cabinet 11. 25 is attached. Therefore, the operation plate can be operated by operating the slide knob 25.

The lock lever 40 is also made of, for example, a plate-shaped material, and is always urged in the counterclockwise direction by the torsion spring 50. Therefore, the support portion 41 that supports the other end of the torsion spring 50 is provided. Has been. The lock lever 40 is provided with a long hole 47 and a cutout 48, and the shafts 61 and 61a fixed to the chassis 21 are inserted into the long hole 47 and the cutout 48, respectively, and the lock lever 40 overlaps with the operating plate 30. It is arranged so that it can slide to the left and right in the closed state. The lock lever 40 has a first lock portion 42 arranged in the direction of the lock piece 22 and a second lock portion 43 arranged near the lock portion 35. That is, the first lock portion 42 provided at one end of the lock lever 40 is for locking the lock piece 22 provided on the lid 13 to lock the closed state of the lid 13. A taper portion 44 is provided on the side of the portion 42 that locks the lock piece 22.

Further, the second lock portion 43 provided on a part of the lock lever 40 via the bending portion 45 is for controlling the lock lever 40 in cooperation with the lock portion 35 of the operating plate 30. . Since the lock lever 40 overlaps the operating plate 30, a step 46 is provided on the bending portion 45, and the second locking portion 43 is provided at a position where the step 46 engages with the locking portion 35 of the operating plate 30. Are arranged.

Heads 62, 62a having a diameter slightly larger than those of the shafts 61, 61a are provided at the tips of the shafts 61, 61a so that the operating plate 30 and the lock lever 40 do not come off. Further, the coil portion 51 of the torsion spring 50 is hooked on the head portion 62 of the shaft 61. The head portion 62 of the shaft 61 is provided with an edge 63 having a diameter larger than that of the head portion 62 so that the coil portion 51 does not come off. As described above, the torsion spring 50 has one end hooked on the support portion 31 of the actuating plate 30 and the other end hooked on the support portion 41 of the lock lever 40. Bias each counterclockwise.

The lock device for the lid or the like according to the present invention is configured as described above, and the operation of the lock device 1 for the lid or the like according to the present invention will be described below with reference to FIGS. 2, 3, and 4. FIG. 4 is a diagram showing an open state of the lid 13. In this open state, the operating plate 30 is biased in the clockwise direction by the biasing force of the torsion spring 50, but its position is regulated at the position where the operating portion 39 contacts the convex portion 23 provided on the chassis 21. At that time, the front end portion 32 of the operating plate 30 is in a position protruding from the rear cabinet 11.

The lock lever 40 is positioned to the left by the biasing force of the torsion spring 50, and at that time, the second lock portion 43 is positioned above the lock portion 35 of the operating plate. As described above, the lateral movement of the lock lever 40 is restricted by the elongated hole 47, the notch 48 and the shafts 61 and 61a. In this case, therefore, the lock lever 40 is pushed to the left side and the elongated hole 47 moves. It stops at the position where the edge hits the shaft 61.

In order to close the lid 13 from the opened state of the lid 13 shown in FIG. 4 to the closed state of the lid 13 shown in FIG. 2, the lid 13 is provided on the edge of the lid 13 as the lid 13 is closed. This is performed by the convex portion 18 pressing the tip portion 32 of the operating plate 30 and the operating plate 30 rotating counterclockwise. That is, when the lock piece 22 of the lid 13 is positioned below the taper portion 44 of the first lock portion 42 of the lock lever 40 due to the counterclockwise rotation of the operating plate 30 accompanying the closing operation of the lid 13. The second lock portion 43 of the lock lever 40 contacts the taper portion 37 of the lock portion 35 provided on the operating plate 30. When the lid 13 is further closed, the operating plate 30 further rotates counterclockwise and the second lock portion 43 moves from the taper portion 37 of the lock portion 35 toward the locking portion 38, so that the lock lever as a whole is moved. Move 40 to the right. When the lock lever 40 moves to the right, the first lock portion 42 of the lock lever 40 starts locking the lock piece 22.

Further, the lid 13 is closed, and when the lid 16 comes into contact with the rear cabinet 13, the rotation of the operating plate 30 is stopped. At this time, the position of the second lock portion 43 is restricted by the locking portion 38 of the lock portion 35, and the lock piece 22 is pressed toward the rear cabinet 11 side by the component force generated by the taper portion 44 of the first lock portion 42. To be Further, even when an unreasonable force is applied to the lock piece 22 by the taper portion 44 due to variations in the dimensions of each component or mounting error, the force of the bending portion 45 provided on the lock lever 40 can absorb the force. it can. Therefore, even if there are variations in the dimensions and shapes of the locking device, the lid, and the rear cabinet and mounting errors, it is possible to prevent the gap between the rear cabinet 11 and the lid 13 when the lid is closed. Becomes 1 and 2 show the closed state of the lid 13.

Next, the operation of unlocking the lock device 2 from the closed state of the lid 13 will be described. When the slide knob 25 shown in FIG. 1 is slid to the right, the operating plate 30 further rotates counterclockwise from the positions shown in FIGS. 1 and 2. Then, the second lock portion 43 of the lock lever 40 moves from the locking portion 38 of the lock portion 35 of the operating portion 30 to the taper portion 36, so that the lock lever 40 moves leftward by the torsion spring 50. Therefore, as shown in FIG. 3, the first lock portion 42 of the lock lever 40 separates from the locking piece 22 and the lock of the lid 13 in the closed state is released.

After that, when the leftward movement of the slide knob 25 is released, the operating plate 30 is rotated clockwise by the biasing force of the torsion spring 50. At that time, the second lock portion 43 of the lock lever 40 moves over the lock portion 35 of the actuating plate 30 to move, and the lid 13 shown in FIG. 4 is opened. When the second lock portion 43 of the lock lever 40 moves over the lock portion 35 of the operating plate 30, a load is applied to the operating plate 30, but the load is reduced by smoothing the taper portion 36. can do.

Further, in the present embodiment, the tip portion 32 of the actuating plate 30 is pushed by the convex portion 18 provided on the edge of the lid 13, but the method of pushing the tip portion 32 is not limited to this. For example, the edge of the lid 13 may be used and the shape of the tip portion 32 may be appropriately changed and used accordingly.

[0024]

[Effect of device]

 As described above, when the locking device such as the lid according to the present invention is used, the lid can be firmly locked when the lid of the storage case or the like is closed, so that the lid can be prevented from being opened accidentally. Since the biasing force that pulls the lid toward the rear cabinet acts, it is possible to eliminate the gap between the lid and the rear cabinet.

[Brief description of drawings]

FIG. 1 is a configuration diagram of a tape recorder to which a locking device such as a lid according to the present invention is applied.

FIG. 2 is a diagram for explaining the operation of the embodiment.

FIG. 3 is a diagram for explaining the operation of the embodiment.

FIG. 4 is a diagram for explaining the operation of the embodiment.

FIG. 5 is a configuration diagram of a tape recorder showing a first example of a conventional locking device such as a lid.

FIG. 6 is a configuration diagram of a tape recorder showing a second example of a conventional locking device such as a lid.

[Explanation of symbols]

 1, 17 Lock device 10 Tape recorder 11 Rear cabinet 12 Storage chamber 13 Lid 14 Hinges 15, 40 Lock lever 16, 22 Lock piece 30 Operating plate 50 Torsion spring

Claims (1)

[Scope of utility model registration request] 1. A locking device, such as a lid, provided at a substantially central portion of a storage case for locking a lid, which is arranged to be openable and closable with respect to a main body of the storage case, in a closed state. The lock piece is composed of an operating plate provided on the main body and moving in association with the closing operation of the lid, and a lock lever controlled by the operating plate, and the locking piece is locked by the lock lever via the operating plate. A locking device such as a lid, which locks the lid in a closed state by locking, wherein the operating plate makes a rotational movement and the lock lever makes a linear movement. Locking device.