JPH09259580A - Mounting device for cassette door - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mounting device, for a cassette door, by which the operability of the mounting operation and that of the removal operation of a cassette door spring are enhanced and which can miniaturize an apparatus. SOLUTION: In a mounting device, a cassette door 11 which closes an opening part for tape-cassette replacement is attached to a body part 3 so as to be freely rotatable, and an urging member 23 which urges the cassette door 11 to an open direction is installed. In this case, the urging member 23 is supported, by its own urging force, at coupling parts 6c, 6d which are formed at least at one out of the body part 3 and the cassette door 11.

Description

Detailed Description of the Invention

[0001]

The present invention relates to a camera-integrated VT.
A biasing member suitable for use in R (Video Tape Recorder) and the like, rotatably attached to the main body part of a cassette door that closes the opening for tape cassette replacement, and biases the cassette door in the opening direction. The present invention relates to a mounting device for a cassette door provided with.

[0002]

2. Description of the Related Art A conventional cassette door mounting apparatus of this type, for example, a cassette door mounting apparatus in a camera-integrated VTR with a liquid crystal monitor, will be described below with reference to FIGS. Here, FIG. 10 is a camera integrated type V with a liquid crystal monitor using a conventional cassette door mounting device.
FIG. 11 is a partially transparent front view showing TR, and FIG. 11 is a camera-integrated VT with a liquid crystal monitor using a conventional cassette door mounting device.
FIG. 12 is a partially transparent side view showing the closed state of the cassette door in R, FIG. 12 is a partially transparent side view showing the opened state of the cassette door in the camera integrated VTR with a liquid crystal monitor using the conventional cassette door mounting device, FIG. 13 is an assembly perspective view showing a conventional cassette door mounting device.

In FIGS. 10 to 13, 1 is a camera unit, 2 is a camera lens, 3 is a main body unit, 4 is a rotary shaft for rotatably coupling the camera unit 1 and the main body unit 3, and 5 is a main body unit 3.
An LCD (liquid crystal display) provided in the VTR frame, 6 is a VTR frame (cabinet) that constitutes a part of the external appearance of the main body unit, 7 is a bottom cover that covers the bottom of the VTR frame 6, and 8
Is a mechanical chassis to which a VTR drive mechanism (not shown) is attached, 9 is a mechanical attachment frame that supports the VTR drive mechanism (not shown), and 10 is a mechanical attachment angle.

Further, 11 is a tape cassette (not shown)
A cassette door that closes the opening for replacement, 12 is a rotation shaft of the cassette door 11, and 13 is a cassette door spring that is provided so as to be wound around the cassette door rotation shaft 12 and biases the cassette door 11 in the opening direction. .

In the conventional cassette door mounting device, a through hole 6a is provided in the lower portion of the VTR frame 6 of the main body 3, and the VT is also provided in the lower portion of the cassette door 11.
By providing a through hole 11a at a position different from the through hole 6a of the R frame 6 and inserting a single cassette door rotating shaft 12 into both through holes 6a, 11a, the cassette door 11 can be connected to the cassette door rotating shaft 12a. You can turn around the center as a fulcrum.

Further, the cassette door rotary shaft 12 is provided with a retaining portion 12a, and the retaining portion 12a is fitted and locked to the convex portion 6b of the VTR frame 6.
The cassette door rotating shaft 12 is prevented from being pulled out. The retaining portion 12a of the cassette door rotation shaft 12 is provided so as to be hidden inside the main body portion 3 so as not to appear in the appearance due to design restrictions.

[0007]

However, in the cassette door mounting device described above, since the retaining portion 12a of the cassette door rotating shaft 12 is provided so as to be hidden inside the main body portion 3, the cassette door spring 13 is provided. To remove the cassette door rotary shaft 12, first remove the cassette door 11, the cassette door rotary shaft 12, the cassette door spring 13 and the VTR frame 6 from the main body 3 in a combined state, and then disassemble them. Therefore, there is a problem that the workability of removing and attaching the cassette spring 13 is poor.

Further, since the cassette door spring 13 is provided so as to be wound around the cassette door rotating shaft 12, the winding diameter (outer diameter) of the coil portion of the cassette door spring 13 is increased, and the size of the device is reduced. There was a problem that it was an obstacle in trying.

The present invention has been made in view of the above points, and improves the workability of mounting and removing the cassette door spring, and at the same time, the cassette door mounting is capable of downsizing the device. The purpose is to provide a device.

[0010]

SUMMARY OF THE INVENTION A cassette door mounting apparatus according to the present invention rotatably mounts a cassette door for closing a tape cassette exchange opening with respect to a main body portion, and the cassette door in the opening direction. In a cassette door attachment device provided with a biasing member for biasing, the biasing member is supported by a locking portion formed on at least one of the main body portion and the cassette door by its own biasing force. It is composed of.

That is, in the cassette door mounting apparatus of the present invention, the locking portion formed on at least one of the main body portion and the cassette door without winding and attaching the biasing member around the rotary shaft of the cassette door. In addition, since it is configured to be supported by its own biasing force, it is possible to easily attach and detach only the biasing member to and from the main body, which can improve workability and also the biasing member. It is possible to reduce the outer diameter of the coil portion and reduce the size of the device.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a cassette door mounting apparatus according to the present invention will be described with reference to, for example, a camera integrated type V with a liquid crystal monitor.
A cassette door mounting device in the TR will be described below with reference to FIGS. 1 to 7. However, the same parts as those in the conventional example described above are denoted by the same reference numerals, and the description thereof will be omitted. here,
FIG. 1 is a partially transparent front view showing a main body of a camera-integrated VTR with a liquid crystal monitor using the cassette door mounting apparatus of the present embodiment, and FIG. 2 is a liquid crystal monitor using the cassette door mounting apparatus of the present embodiment. FIG. 6 is a partially transparent bottom view showing a main body of the camera-integrated VTR.

FIG. 3 is a plan view showing the cassette door spring in the cassette door mounting apparatus of this embodiment, FIG. 4 is a side view showing the cassette door spring in the cassette door mounting apparatus of this embodiment, and FIG. 5 is this embodiment. FIG. 6 is a bottom view showing the cassette door mounting device of the embodiment, FIG. 6 is a sectional view taken along line AA in FIG. 5, and FIG.

As shown in FIGS. 3 and 4, the cassette door spring 23 in the cassette door mounting apparatus of the present embodiment has a terminal portion 23a curled to slide the inner surface of the cassette door 11 and a pair of coils. Bent portion 23c bent in an arc shape between the portion 23b and the coil portion 23b
And the pair of coil portions 23b are open at an angle θ.

On the other hand, as shown in FIG. 5, the bottom of the VTR frame 6 has a horseshoe-shaped groove 6c having a curvature substantially equal to the curvature of the arc-shaped bent portion 23c of the cassette door spring 23.
And a pair of L-shaped hook portions 6d.
The horseshoe-shaped groove 6c is formed on an inclined surface provided on the bottom surface of the VTR frame 6.

Next, the attachment of the cassette door spring 23 to the VTR frame 6 will be described. The bent portion 23c of the cassette door spring 23 is connected to the groove portion 6 of the VTR frame 6.
c of the VTR frame 6 and the substantially intermediate portions of the bent portion 23c and the coil portion 23b.
Hang on.

At this time, the opening angle θ of the cassette door spring 23 becomes approximately 0 °, and as shown in FIG.
The bent portion 23c of the cassette door spring 23 fitted in the groove 6c formed on the bottom slope of the R frame 6 and the coil portion 23b warp in a bow shape, and the cassette door spring 23 is moved by the repulsive force. It will not come off from the hook 6d. The position of the cassette door spring 23 is also determined by fitting the bent portion 23c of the cassette door spring 23 and the groove portion 6c of the VTR frame 6.

As described above, since the cassette door spring 23 in this embodiment is not wound around the cassette door rotating shaft 12, the cassette door spring 23 is attached to the camera-integrated VT.
When removing from the R main body 3, the bottom cover 7 that covers the bottom of the main body 3 is removed, and the VTR of the cassette door spring 23 is removed.
By removing the hook on the hook 6d of the frame 6 with a flathead screwdriver or the like, the cassette door spring 23
Can be removed from the VTR frame 6 and removed from the main body 3. That is, the VTR frame 6 is attached to the main body 3
The cassette door spring 23 can be easily removed without removing the cassette door spring 23.

Further, since the guide shaft for winding the cassette door spring 23 is unnecessary, the cassette door rotating shaft 12 at the portion where the cassette door spring 23 is mounted is eliminated and the cassette door rotating shaft 12 is divided into two. And cassette door spring 2
It can be provided at two places on both sides where the 3 is mounted. Therefore, the outer diameter of the coil portion 23b of the cassette door spring 23 can be reduced, and the camera-integrated VTR can be downsized.

Another embodiment of the cassette door mounting apparatus of the present invention will be described below with reference to FIGS. 8 and 9. The same parts as those of the above-described embodiment of the present invention are designated by the same reference numerals and the description thereof will be omitted. Is omitted. Here, FIG. 8 is a bottom view showing a cassette door spring insertion state in the cassette door mounting apparatus of the present embodiment, and FIG. 9 is a sectional view taken along line CC of FIG.

The VTR frame 6 in the cassette door mounting apparatus of this embodiment is provided with a guide slope 6e having substantially no step inside the arcuate groove 6c. Thereby, the cassette door spring 23 in the present embodiment
The installation procedure of is as follows. First, as shown in FIG. 8A, the coil portion 23b of the cassette door spring 23 is squeezed from both sides so that the bent portion 23c is separated from the VTR frame 6.
It is inserted inside the hook portion 6d.

When the cassette door spring 23 is further inserted, as shown in FIG. 8B, the bent portion 23c rides on the guide slope 6e of the VTR frame 6 and is guided by the guide slope 6e. As shown in FIG. 8 (c), the bent portion 23c of the cassette door spring 23 falls into the groove 6c of the VTR frame 6, and the mounting of the cassette door spring 23 is completed.

As described above, in the cassette door mounting apparatus of the present embodiment, the cassette door spring 23 can be mounted only by inserting the cassette door spring 23 in one direction, so that even in a narrow space. It is possible to easily improve the workability of attaching the cassette door spring 23.

[0024]

Since the cassette door mounting apparatus of the present invention is constructed as described above, it is possible to easily mount and remove only the biasing member to and from the main body, thereby improving workability. In addition, the outer diameter of the coil portion of the biasing member can be reduced, and the device can be downsized.

Further, by providing the locking portion with an insertion guide portion for guiding the insertion of the biasing member while maintaining the biasing force of the biasing member, the biasing member can be inserted from one direction even in a narrow space. Only by doing so, it becomes possible to easily attach the biasing member to the main body.

[Brief description of drawings]

FIG. 1 is a partially transparent front view showing a main body of a camera-integrated VTR with a liquid crystal monitor using an embodiment of a cassette door attachment device of the present invention.

FIG. 2 is a partially transparent bottom view showing a main body of a camera-integrated VTR with a liquid crystal monitor using an embodiment of a cassette door mounting device of the present invention.

FIG. 3 is a plan view showing a cassette door spring in one embodiment of the cassette door attachment device of the present invention.

FIG. 4 is a side view showing a cassette door spring in an embodiment of the cassette door attaching apparatus of the present invention.

FIG. 5 is a bottom view showing an embodiment of the cassette door attachment device of the present invention.

FIG. 6 is a sectional view taken along line AA in FIG.

FIG. 7 is a view taken in the direction of arrow B in FIG. 5;

FIG. 8 is a bottom view showing a cassette door spring insertion state in another embodiment of the cassette door attachment device of the present invention.

9 is a sectional view taken along line CC in FIG.

FIG. 10 is a partially transparent front view showing a camera-integrated VTR with a liquid crystal monitor using a conventional cassette door mounting device.

FIG. 11 is a partially transparent side view showing a closed state of a cassette door in a camera-integrated VTR with a liquid crystal monitor using a conventional cassette door mounting device.

FIG. 12 is a partially transparent side view showing an opened state of a cassette door in a camera-integrated VTR with a liquid crystal monitor using a conventional cassette door mounting device.

FIG. 13 is an assembly perspective view showing a conventional cassette door mounting device.

[Explanation of symbols]

 1 Camera Part 2 Camera Lens 3 Body Part 4 Rotating Axis 5 LCD 6 VTR Frame 7 Bottom Cover 11 Cassette Door 12 Cassette Door Rotating Axis 23 Cassette Door Spring

Claims (2)

[Claims] 1. A cassette door mounting device, wherein a cassette door that closes an opening for replacing a tape cassette is rotatably mounted to a main body, and a biasing member that biases the cassette door in an opening direction is provided. The attachment device for a cassette door according to claim 1, wherein the biasing member is supported by a locking portion formed on at least one of the main body portion and the cassette door by its own biasing force. 2. The cassette door mounting device according to claim 1, wherein the locking portion has an insertion guide portion that guides the insertion of the biasing member while maintaining the biasing force of the biasing member. A device for mounting a cassette door, which is characterized in that