JPS6262667A - Video recording and reproducing device - Google Patents

Abstract

PURPOSE:To prevent a large load from being applied to an electrical connector part even when only a camera part or a magnetic video recording and reproducing device is raised by engaging and holding the camera part and the magnetic video recording and reproducing device by a protruding slit and a hollow groove. CONSTITUTION:During connecting a camera part 1 and a magnetic video recording and reproducing device 3, the second connecting surface 1b of the camera part and the fourth connecting surface 3b of the magnetic video recording and reproducing device 3 are contacted and when under a protruding slit 12 engaged with a hollow groove 14, the first connecting surface 1a is slid and moved in the first direction (vertical direction to the connecting surface 1a) until it contacts the third connecting surface 3a, an engaging protrusion 5 is inserted into an engaging hole 11, and the separation opposite to the first direction is prevented. At the same time, an engaging protrusion 13 provided in the protruding slit 12 is inserted into an engaging hole 15 disposed in the hollow groove 14 and by this engagement, the separation of the second connecting surface 1b and the fourth connecting surface 3b is avoided. Further, more by the engagement of the protruding slit 12 and the hollow groove 14, the second connecting surface 1b and the fourth connecting surface 3b are prevented from sliding in a direction at right angles with the first direction.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a video recording and reproducing device in which a video camera unit and a magnetic recording and reproducing device for recording and reproducing the output thereof are configured to be mechanically and electrically detachable. be.

BACKGROUND OF THE INVENTION FIG. 4 shows an example of a conventional video recording and reproducing device in which a video camera unit and a magnetic recording and reproducing device are detachably attached.

It is shown in FIG.

In FIGS. 4 and 5, 1 is a video camera unit having a lens barrel 2, and 3 is a magnetic recording/reproducing device.

A male connector 4 for transmitting and receiving electrical signals is fixed to the joint surface 1a of the video camera section 1, and an engaging protrusion 5 having an engaging portion 5a at its tip slides in the direction of arrow A-B. It is provided to protrude as much as possible, and is always elastically biased in the input direction by a spring 6.

Further, an operation button 7 is fixed to this engagement protrusion 5, and this operation button γ is protruded from the side surface of the camera unit 1. By operating this operation button 7, the engagement protrusion 5 is configured to be movable in the direction of arrow B against the spring 6. Furthermore, a guide bin 8 that is longer than the connection bin of the male connector 4 is provided near the male connector 4 .

On the other hand, the joint surface 3a of the magnetic recording/reproducing device 3 is provided with a female connector 1Q into which the guide bin 8 and the connection bin of the male connector 4 are inserted, and an engagement hole 11 into which the engagement protrusion 5 is inserted. There is one.

That is, when engaging, when the engagement protrusion 6 is inserted into the engagement hole 11 and the connecting pin of the male connector 4 is inserted into the female connector 10 using the guide pin 8 as a guide, the spring 6 causes the tip of the engagement protrusion 6 to be inserted. The provided engaging claw 6a is
It engages with the inside of the engagement hole 11 to mechanically and electrically connect the camera section 1 and the magnetic recording/reproducing device section 3.

Problems to be Solved by the Invention However, in the above-described configuration, the camera section and the magnetic recording/reproducing device section are engaged and held by an engagement portion disposed on one joint surface where they contact each other. When only the camera section or the magnetic recording/playback device section is held due to the shooting conditions during recording, the load due to its own weight on the engagement portion increases, and a large force is applied to the electrical connector section, causing the connector to If the mechanical connection is broken due to damage to the unit or the operation button is pressed carelessly, there is a risk that the camera unit or the magnetic recording/playback unit may fall off.

Means for Solving the Problems In order to solve the above-mentioned problems, the video recording and reproducing apparatus of the present invention has a first bonding surface and a second bonding surface orthogonal to each other provided in the camera section. a first engaging portion and a second engaging portion; third and fourth engaging portions which are provided in the magnetic recording/reproducing device and are perpendicular to each other and are in contact with the first and second joining surfaces, respectively;
third and fourth engaging parts that engage with the first engaging part and the second engaging part, respectively, are provided on the joining surfaces of the first engaging part and the third engaging part. One of the engaging portions is connected to the first and third engaging portions.
an engaging protrusion extending from one of the joining surfaces in a first direction perpendicular to that surface and having an engaging claw at the tip, the other engaging portion being between the first and third joining surfaces. The engagement hole is provided on the other joint surface of the second joint, into which the engagement protrusion is inserted, and which prevents separation in a direction opposite to the first direction by engagement with the engagement claw; One of the fourth engaging parts is a convex strip that protrudes from one of the second and fourth joining surfaces and extends in the first direction, and the other engaging part is a concave groove provided on the other joint surface of the second and fourth joint surfaces and extending in the first direction, and provided at the end of the concave groove at the tip of the convex strip. An engagement hole is provided into which the engaged protrusion is inserted.

Effects According to the above configuration, when the camera unit and the magnetic recording/reproducing device are coupled, the third joining surface of the magnetic recording/reproducing device is moved in the direction close to the first joining surface of the camera section.
The first and third engaging parts and the second and fourth engaging parts are engaged, and the engaging operation is also simple.
Even if the second and third engaging parts are disengaged, one of them will fall because the camera part and the magnetic recording/playback device are still engaged due to the engagement of the second and fourth engaging parts. There is no such thing.

Embodiment FIG. 1 is a perspective view showing a separated state of the camera section and the magnetic recording and reproducing device of one embodiment of the video recording and reproducing apparatus of the present invention, and is different from the conventional example shown in FIGS. 4 and 6. Similar components are given the same reference numerals.

The major difference from the conventional example is that the bonding surfaces of the camera unit 1 are two surfaces, a first bonding surface 1a and a second bonding surface 1b orthogonal to the first bonding surface 1a, and magnetic recording and playback. The bonding surfaces of the device 3 also include a third bonding surface 3a and a fourth bonding surface that are orthogonal to each other and are bonded to the first and second bonding surfaces 1a and 1b, respectively.
The joint surface 3b consists of the joint surface 3b.

As in the conventional example, the first joint surface 1a and the third joint surface 3b have a groove extending in a direction perpendicular to the first joint surface 1a (hereinafter referred to as the direction of the frame 1). An engagement protrusion 6 is provided, and an engagement hole 11 into which the engagement protrusion 6 is inserted is provided in the second joint surface 3b.

Further, a substantially rectangular parallelepiped-shaped convex strip 12 extending in the first direction is provided on the second joint surface 1b, and its tip is located at a position slightly away from the second joint surface 1b. An engaging protrusion 13 extending in the first direction is formed on the engaging protrusion 13 .

On the other hand, the fourth joint surface 3b is provided with a groove 14 extending in the first direction, with which the convex strip 12 is slidably engaged, and the terminal end of the groove 14 is formed on the fourth joint surface 3b. As shown in FIGS. 2 and 3, an engagement hole 16 into which the engagement protrusion 13 is inserted is provided.

In the above configuration, the camera section 1 and the magnetic recording/playback device 3
When coupled with the camera section, the second bonding surface 1b of the camera section and the fourth bonding surface 3b of the magnetic recording/reproducing device 3 are in contact with each other, and the protrusion 12 and the groove 14 are engaged with each other. When the first joint surface 12L and the third joint surface 3+a are slid in the first direction until they come into contact with each other, the engagement protrusion 6 is inserted into the engagement hole 11, and the same as in the conventional structure. , separation in the opposite direction to the first direction is prevented.

At the same time, the engagement protrusion 13 provided on the convex strip 12 is inserted into the engagement hole 15 provided in the groove 14, and through this engagement, the second joint surface 1b and the fourth joint surface Separation from 3b is prevented.

Furthermore, the engagement between the protruding strip 12 and the groove 14 prevents the second joint surface 1b and the fourth joint surface 3b from sliding in a direction perpendicular to the first direction. There is.

In the above-mentioned state, the camera section 1 and the magnetic recording/reproducing device section 3 are coupled together in such a way that they cannot be separated in any direction.To break this coupling, lower the operation button 7 as in the conventional case. Disengaging the engagement protrusion 6 and the engagement hole 11,
In this state, it is sufficient to move the magnetic recording/reproducing device in the opposite direction to the first direction.

In addition, in the above embodiment, the engaging protrusion 5 and the engaging hole 11 provided on the first joining surface and the third joining surface may be provided on the third joining surface and the first joining surface, respectively. , convex striations 12
may be provided on the fourth joint surface 3b, and the groove 14 may be provided on the second joint surface 1b.

Effects of the Invention As described above, according to the present invention, since the camera section and the magnetic recording/playback device section are engaged and held by the protruding stripes and the grooves, it is not necessary to lift only the camera section or the magnetic recording/playback device section. Also, it does not place a large load on the electrical connector section.

[Brief explanation of drawings]

Fig. 1 is a perspective view showing one embodiment of the video recording and reproducing device of the present invention, Fig. 2 is a perspective view of the main part, Fig. 3 is a sectional view of the main part, and Fig. 4 is a conventional video recording device. A perspective view of the playback device, and FIG. 6 is a sectional view of the main parts thereof. DESCRIPTION OF SYMBOLS 1...Camera part, 3...Magnetic recording/playback device, 4...Male connector, 5...Engaging protrusion, 10... Male connector, 11...
...Engagement hole, 12...Convex stripe, 13-...
・Engagement protrusion, 14...concave groove 515...
・Engagement hole. Name of agent: Patent attorney Satoshi Nakao, male and 1 other person. -concave groove

Claims (1)

[Claims] A first joint surface and a second joint surface provided in the camera section are orthogonal to each other.
a first engaging part and a second engaging part are provided on the joining surfaces of the magnetic recording and reproducing apparatus, and third and fourth engaging parts are provided at right angles to each other and are in contact with the first and second joining surfaces, respectively, provided on the magnetic recording and reproducing apparatus. third and fourth engaging portions that engage with the first and second engaging portions, respectively, are provided on the joint surface of the The mating part is an engaging protrusion that extends from one of the first and third joint surfaces in a first direction perpendicular to that surface and has an engaging pawl at the tip, and is provided on the other joint surface of the first and third joint surfaces, into which the engagement protrusion is inserted, and prevents separation in a direction opposite to the first direction by engagement with the engagement pawl. One of the second and fourth engaging portions has a protrusion that protrudes from one of the second and fourth joint surfaces and extends in the first direction. The other engaging portion is provided on the other joint surface of the second and fourth joint surfaces, and extends in the first direction in which the convex strip is slidably engaged. A video recording and reproducing device that is a concave groove and has an engagement hole at the end of the concave groove into which an engagement protrusion provided at the tip of the convex strip is inserted.