JPH08102879A - Housing for video camera - Google Patents

Abstract

PURPOSE: To facilitate the assembling of a housing for a video camera and to obtain interchangeability of parts. CONSTITUTION: This housing for the video camera is constituted of a front panel 3, upper and lower cases 4 and 5. A pair of upper and lower parts 6 and 7 to be held are provided at the upper and lower parts of the front panel 3. Holding parts 8 and 9 for holding the parts 6 and 7 are provided in the upper and lower cases 4 and 5. Positioning recessed and projecting parts 11, 12 are provided to be engaged with each other on the superimposing faces of the parts 6 and 7 and the parts 8 and 9. The upper and lower cases 4 and 5 are provided with screwing parts 14 and 15 for combining the upper and lower cases 4 and 5 with screws 13 in the state of holding the parts 6 and 7 by the parts 8 and 9 and engaging the recessed and projecting parts 11 and 12 with each other.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention
The present invention relates to a casing (outer casing) of a video camera used for capturing an image of participants in a conference.

[0002]

2. Description of the Related Art A video camera (television camera) used for a video conference or the like is generally placed on a monitor and used to capture an image of a face of a conference participant sitting in front of the monitor. ing.

The image picked up by the video camera is displayed on the monitor of the other party by a communication system using a workstation, a telephone line, etc., so that people at remote places can hold a meeting while looking at each other's faces. You can do it.

[0004]

By the way, the video camera used for the above-mentioned video conference is very convenient when it is mounted on a monitor or the like if it has a stand and a tilt mechanism. Therefore, a user demands a video camera equipped with the above stand and tilt mechanism.

However, a video camera equipped with a stand and a tilt mechanism is rather inconvenient when used as an ordinary portable video camera.

Further, from the manufacturer's point of view, it is difficult to use a housing of a video camera equipped with a stand or a tilt mechanism as a housing of an ordinary video camera, which causes a problem of cost increase. there were.

The present invention solves the above-mentioned conventional problems and can be used not only as a housing of a video camera for a video conference having a stand, a tilt mechanism, etc., but also as a housing of an ordinary video camera. Moreover, the object is to provide a housing for a video camera that can be easily assembled in the same manner.

[0008]

According to a first aspect of the present invention, there is provided a front panel, comprising: a front panel; and an upper case and a lower case for sandwiching and supporting the upper and lower parts of the front panel, and a lower case. A pair of upper and lower clamped portions are provided on the upper and lower cases, and a pair of lower and upper clamped portions are sandwiched between the upper and lower cases. The overlapping surfaces of the attachment portion and the attachment portion are provided with positioning recesses and protrusions that are fitted to each other when these are overlapped, and the upper and lower cases are provided with the attached portion. And a plurality of screw threaded portions for connecting the upper case and the lower case with screws in a state where the positioning concave and convex portions are fitted to each other.

According to a second aspect of the present invention, in the housing of the video camera according to the first aspect, a recess for mounting a stand formed by recessing the bottom surface upward in the lower case, and the above-mentioned recess above the recess. A control board supporting member for supporting the control board was provided.

According to a third aspect of the present invention, in the housing of the video camera according to the second aspect, the control board supporting member includes a large diameter shaft portion on which the control board is mounted on the upper end surface, and an upper end surface of the large diameter shaft portion. And a small-diameter shaft portion that is loosely fitted in a bearing hole formed in the control board.

[0011]

In the housing of the video camera according to claim 1, the upper and lower attached portions of the front panel are sandwiched by the attached portions of the upper and lower cases, and the overlapping surfaces of the attached portions and the attached portions are overlapped with each other. By fitting the concave and convex parts for positioning provided on the upper part to each other and screwing the screw-engaged parts provided on the upper and lower cases, the front panel and the upper and lower cases are integrally combined to form a housing. Assembled.

In the housing of the video camera according to the second aspect, the control board is supported by the control board support member provided on the lower case above the stand mounting recess provided on the lower case.

According to the third aspect of the present invention, the housing of the video camera is moved within the range of the bearing hole by loosely fitting the small diameter shaft portion provided at the upper end of the control substrate support member into the bearing hole provided in the control substrate. Support the control board in an allowed state.

[0014]

The present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view of a video camera using the housing of the first embodiment, and FIG. 2 is a perspective view seen from the back side.

Housing 2 of video camera 1 for video conference
Is composed of a front panel (bezel) 3, upper and lower parts of the front panel 3 which are fixedly supported, and lower cases 4 and 5.

The front panel 3 as shown in FIG.
Has a pair of upper and lower adherends 6, 7 on the upper and lower parts.

The upper and lower cases 4 and 5 have a pair of upper and lower clamped portions 8 and 9 for holding a pair of lower clamped portions 6 and 7 on the front panel 3.

The adhered portions 6 and 7 and the attached portions 8 and 9 have positioning concave and convex portions 11 ... 11, 12 ... 12 which are fitted to each other when these are superposed. .

In the upper and lower cases 4 and 5, the portions 6 and 7 to be held are held by the holding portions 8 and 9, and the concave and convex portions 11 ... 11, 12 ... First and second screw threaded portions 14 ... 14, 1 for connecting the upper and lower cases 4 and 5 with screws 13 ... 13 in a state in which 12 are fitted to each other.
5 ... 15.

The first screw-threaded portions 14 ... 14 are provided at the four corners of the inner surface of the upper case 4.

The second screw-threaded portions 15 ... 15 are formed at the four corners of the inner surface of the lower case 4 and the first screw-threaded portion 1 is formed.
It is provided at a position corresponding to 4 ... 14.

Then, as described above, the attached portions 6, 7 of the front panel 3 are attached to the upper and lower portions 4, 5 of the lower case 4, 5, respectively.
9 is attached, and the concave and convex portions for positioning 11 ... 11, 12 ...
When the two 12 are fitted together, the tips of the first screw threaded portions 14 ... 14 and the second screw threaded portions 15
The tips of 15 are brought into abutment with each other.

Then, the second screw engaging portions 15 ... 15
Insert the screws 13 ... 13 from the side and insert these screws 13 ... 13
The upper and lower cases 4 and 5 are attached to the front panel 3 by screwing the ends of the upper and lower cases into the first screw engaging portions 14 ...
It is designed to be attached in a clasped state.

Numerals 16 and 17 project from both side surfaces of the upper case 4, and positioning projections abutting on both inner surfaces of the front panel 3 and 18, 19 project from both side surfaces of the lower case 5. Positioning protrusions that come into contact with the inner surfaces of both sides of the front panel 3.

The lower case 5 has a recess 21 for mounting the stand on the lower surface side.

The lower case 5 is provided with the recess 21.
The tilt mechanism 31 is attached to the arm portion 23 of the stand 22 inserted therein so as to be vertically rotatable.

Reference numeral 24 is an objective lens mounted in a lens housing recess 25 provided in the front panel 3.

As shown in FIGS. 4 to 6, the tilt mechanism 31 includes the first and second pivot plates 32 and 33 provided on the lower case 5 and the arm portion 23 of the stand 22. The third and fourth pivotal support plates 34 and 35, which are provided and arranged in an overlapping manner inside the first and second pivotal support plates 32 and 33, are overlapped with each other. Rubber or plastic O-rings 36 and 37 for friction generation interposed between the first and third pivot plates 32 and 34 and between the second and fourth pivot plates 33 and 35; Bearing holes 3 provided in the first to fourth pivot plates 32 to 35
2a to 35a, the lower case 4 is rotatably attached to the arm portion 23, and the interval between the first and second pivot support plates 32, 33 is narrowed to reduce the first case. , The second pivot plates 32, 33 through the O-rings 36, 37, and the third, fourth pivot plates 34, 35.
And a pivot shaft 38 to be crimped to.

The first pivot support plate 32 is formed by one side plate which constitutes the recess 21 for mounting the stand of the lower case 5.

As shown in FIG. 3, the second pivot support plate 3 is provided.
3 is formed by providing a notch 41 in a part of the side plate facing the one side plate of the recess 21 and attaching an L-shaped sheet metal to the notch 41.

The second pivot support plate 33 is made of an L-shaped metal plate so that the second pivot support plate 33 can be bent toward the first pivot support plate 32 side. This is because
(Because the first pivotal support plate 32 is composed of one side plate that constitutes the recess 21 for mounting the stand of the lower case 5, it is difficult to bend it. Therefore, the first pivotal support plate 3
The second pivot support plate 33 facing 2 is formed of an L-shaped metal plate so as to have flexibility, so that the distance between the first and second pivot support plates 32, 33 can be adjusted. ).

The third and fourth pivot plates 34, 35 are composed of left and right side plates of the arm portion 23 of the stand 22.

Ring-shaped O-ring fitting grooves 42, 43 are formed on the outer surfaces of the third and fourth pivot plates 34, 35 centering on the bearing holes 34a, 35a.
The O-rings 36 and 37 are attached to the ring fitting grooves 42 and 43.

Then, with the O-rings 36 and 37 mounted in the O-ring fitting grooves 42 and 43, the stand 2 is
When the second arm portion 23 is inserted into the recess 21 for mounting the stand of the lower case 5, the first and second pivot support plates 32, 3 are inserted.
3rd and 4th pivot support plates 34, 35 are located inside 3,
The O-rings 36 and 37 attached to the O-ring fitting grooves 42 and 43 on the outer surfaces of the third and fourth pivot plates 34 and 35 are the inner side surfaces of the first and second pivot plates 32 and 33. It comes in contact with.

As shown in FIG. 3, the pivot shaft 38 is
A head portion 38a, a shaft portion 38b continuously connected to one end portion of the head portion 38a and having a smaller diameter than the head portion 38a, and a screw portion smaller than the shaft portion 38b continuously provided at one end portion of the shaft portion 38b. And 38c, it is formed in a so-called stepped screw shape.

The pivot shaft 38 serves as the first pivot plate 32.
From the side of the bearing hole 32a of the first pivot plate 32, the third
The shaft portion 38b is sequentially inserted into the bearing hole 34a of the pivot plate 34 and the bearing hole 35a of the fourth pivot plate 35, and the screw portion 38c at the tip serves as the bearing hole 33a of the second pivot plate 33. It is screwed into the screw hole.

The pivot shaft 38 pivotally supports the lower case 5 on the arm portion 23 by a shaft portion 38b, and a bearing hole 33a as a screw hole of the screw portion 38c.
The distance between the first pivotal support plate 32 and the second pivotal support plate 33 is adjusted by adjusting the screwing degree to the first pivotal support plate 32 and the third pivotal support plate 32, and the O-rings 36 and 37 are used. Pivot plate 3
4 and between the second pivot plate 33 and the fourth pivot plate 35 to adjust the frictional force to rotate the lower case 5 or the housing 2 of the video camera. Or the lower case 5 or the housing 2 of the video camera rotated to a predetermined position.
The holding force necessary to hold the position at that position can be set to a desired value.

Numerals 51 and 52 are a spring washer and a washer attached to the pivot 38.

The spring washer 51 and the washer 52 are composed of the head portion 38a of the pivot 38 and the first pivot plate 32.
Is clasped between.

On the inside of the front panel 3,
A CCD (not shown) and a CCD substrate (BI substrate) 53 are arranged.

A control board (UC board) 54 is connected to the CCD board 53.

The CCD substrate 53 and the control substrate 5
4 is electrically and mechanically connected by fitting a connector 55 provided at the center of the upper end of the CCD substrate 53 and a connector 56 provided at the center of the control substrate 54 at one end. It has become.

First and second bearing holes 57 and 58 are provided at both ends on the other end side (opposite side of the connector 56) of the control board 54.

On the other hand, the lower case 5 is provided with first and second control board supporting members 59 and 60 for supporting the vicinity of the bearing holes 57 and 58 of the control board 54.

The first and second control board supporting members 59, 60 have a large-diameter shaft portion 61 having a substantially cross shape in plan view for mounting the control board 54 on the upper end surface thereof, and the large-diameter shaft portion 61. And a small-diameter shaft portion 62 that is protrudingly provided at the center of the upper end surface thereof and that is loosely fitted in the bearing hole 57 or 58.

The first and second control board support members 59, 60 have the small-diameter shaft portion 62 loosely fitted in the bearing hole 57 or 58 and the upper end surface of the large-diameter shaft portion 61. With the peripheral portions of the bearing holes 57 and 58 placed,
Both end portions of the control plate 54 on one end side are provided with the recesses 2
It is designed to be supported above 1.

As described above, the connector 5 is attached to one end side.
It is connected to the CCD substrate 53 via 6, 55, and the other end side is the first and second control substrate supporting members 59, 60.
The control board 54 supported by the upper and lower movements by the upper case 4 coupled to the lower case 5 with the screws 13 ... 13 does not move the bearing hole 57 or 58 from the small diameter shaft portion 62. In a regulated state, it is mounted in a state of being sandwiched between the upper and lower cases 4 and 5.

As shown in FIG. 2, the stand 22
A connector 71 is provided on the back side of the.

The connector 71 has a power source pin jack 71a, an audio pin jack 71b, a video pin jack 71c and the like.

The connector 71 is connected to the CN substrate 72 in the stand 22.

The CN substrate 72 is adapted to be connected to the control substrate 54 and the like via lead wires 73, 74 and 75 as shown in FIG.

The video camera of the first embodiment is constructed as described above and is assembled by the following steps.

The front panel 3 has an objective lens 24 and a CC.
The D or CCD substrate 53 is assembled to form the front panel assembly.

The stand 2 is attached to the lower case 5 by the tilt mechanism 31.
Assemble 2 to form the lower case and stand assembly.

Next, the attached portion 7 of the lower part of the front panel 3 is superposed on the attached portion 9 of the lower case 5, and the attaching portion 9 and the recessed portion for positioning provided on the attached portion 7. , Convex portion 11
... 11, 12, ... 12 are fitted to each other and the front panel 3 and the lower case 5 are positioned.

Next, the connector 56 provided with the control board 54 on the connector 55 provided on the upper end of the CCD board 53.
Is inserted and one end of the control board 54 is connected to the upper end of the CCD board 53.

Next, in the bearing holes 57 and 58 provided on the other end side of the control board 54, the small-diameter shaft portions 62 of the first and second control board support members 59 and 60 provided on the lower case 5, 62 is loosely fitted, and the large-diameter shaft portion 61,
The bearing hole 5 of the control board 54 at the upper end surface of
7, 58 support the peripheral portions of the lead wires 73, 74,
75 is connected to the control board 54 or the like.

Next, the gripping portion 6 of the upper case 4 is superposed on the gripping portion 6 on the upper part of the front panel 3 and the positioning recesses formed in the gripping portion 6 and the gripping portion 8 are overlapped. , Convex 1
The front panel 3 and the upper case 4 are positioned by fitting 1 ... 11, 12 ... 12 to each other.

Due to the above-mentioned positioning, the tip surfaces of the first screw-threaded portions 14 ... 14 provided at the four corners of the upper case 4 and the second screw-threaded portions 15 ... 15 provided at the four corners of the lower case 4. Are struck against each other.

Therefore, the second screw engaging portions 15 ... 15
Insert the screws 13 ... 13 from the bottom of the
By screwing the tip of 13 into the side of the first screw-threaded portion 14 ... 14, the upper and lower cases 4 and 5 are integrally connected, and the front panel 3 is also raised. It is sandwiched between the lower panels 4 and 5 so that they are integrally connected to the upper and lower panels 4 and 5.

7 to 8 show a second embodiment of the present invention.

The difference between the second embodiment and the first embodiment lies in the lower case 81.

The lower case 81 of the second embodiment includes the stand 2
2 and the tilt mechanism 31 are not provided. Therefore, the recess 2 for mounting the stand of the lower case 5 of the first embodiment is not provided.
1 is not provided.

In the first embodiment, the connector 71 provided on the back side of the arm portion 23 of the stand 22 is provided on the back side of the lower case 81.

Further, in the first embodiment, the stand 22
The CN substrate 72 provided inside is also provided inside the lower case 81.

Except for the main differences described above, the lower case 81 of the second embodiment is also formed in substantially the same manner as the lower case 5 of the first embodiment.

The front panel 3 and the upper case 4 are formed in the same manner as in the first embodiment. That is, the front panel 3 and the upper case 4 of the first embodiment are used.

Then, as in the case of the first embodiment, the attached parts 6, 7 of the front panel 3 are attached to the upper and lower cases 4, 81.
, And the positioning concaves and convexes 11 ... 11, 12 ... provided on the to-be-attached portions 6 and 7 and the attached portions.
14 are fitted to each other, and the tips of the first screw-threaded portions 14 ... 14 and the second screw-threaded portions 15 ... 15 provided at the four corners of the upper and lower cases 4 and 81 are butted against each other. 14 and the second screw threaded portions 15 ... 15 are coupled by screws 13 ...
The upper and lower cases 4 and 81 are integrally connected.

Therefore, by selectively using the lower case 5 or 81, the housing 2 of the video camera of the first embodiment having the stand 22 and the housing of the video camera of the second embodiment not having the stand 22 can be mounted on the front panel 3 or the upper panel. The case 4 can be used as a common part and can be efficiently manufactured by the same assembling method.

[0071]

The housing of the video camera of the present invention has the following effects.

(1) The housing of the video camera according to claim 1 is
The upper and lower attached parts of the front panel are sandwiched by the attached parts of the upper and lower cases, and the positioning concaves and convexes provided on the overlapping surfaces of the attached part and the attached part are fitted together. In the assembled state, the upper and lower cases are joined with screws to enable easy and easy assembly.

When assembling a video camera having a stand or a tilt mechanism and a video camera not having the same in the lower case, only the lower case needs to be changed. Also, CC
If D or the lens is changed, the front panel can be replaced and other parts can be used in common.

(2) The housing of the video camera according to claim 2 is
The control board is supported by the control board support member above the recess for mounting the stand provided in the lower case, and the control board should be placed in a space-free manner even when the stand etc. is provided in the lower case. You can

(3) The housing of the video camera according to claim 3 is
The control board is placed on the upper end surface of the large-diameter shaft portion of the control board support member, and the small-diameter shaft portion provided on the upper-end surface of the large-diameter shaft portion is loosely fitted in the bearing hole provided on the control board to form the small-diameter shaft. Since there is a play gap between the part and the bearing hole,
Since the control board is allowed to move within the play gap, even if the housing is temporarily deformed due to external pressure applied to the housing, it is impossible for the connector etc. connecting the control board and the CCD board. Can be prevented, and the connector can be prevented from being damaged.

[Brief description of drawings]

FIG. 1 is a perspective view of a first embodiment.

FIG. 2 is a perspective view of the back side of the first embodiment.

FIG. 3 is an exploded perspective view.

FIG. 4 is a sectional view of a main part.

FIG. 5 is a sectional view of a main part.

FIG. 6 is a sectional view of a main part.

FIG. 7 is a rear view of the second embodiment.

FIG. 8 is a side view of the second embodiment.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Video camera 2 ... Housing 3 ... Front panel (bezel) 4 ... Upper case 5 ... Lower case 6,7 ... Attached portion 8, 9 ... Attached portion 11, 12 ... Positioning concave / convex portion 13 ... Screw 14 ... First screw threaded portion 15 ... Second screw threaded portion 21 ... Stand mounting recess 54 ... Control board 59, 60 ... Control board support member

Claims (3)

[Claims] 1. A front panel, and an upper and lower case for sandwiching and supporting the upper and lower portions of the front panel, wherein the front panel includes a pair of upper and lower portions to be attached. The upper and lower cases have a pair of upper and lower gripping portions for holding the upper and lower pair of attached portions on the front panel, the upper and lower cases having the attached portion and the attached portion. The overlapping surface has a concave portion for positioning and a convex portion that are fitted to each other when these are superposed, and the upper and lower cases hold the attached portion with the attached portion and A housing for a video camera, comprising a plurality of screw threaded portions for connecting the upper case and the lower case with screws in a state where the concave and convex portions for positioning are fitted to each other. 2. The lower case according to claim 1, wherein the lower case has a recess for mounting a stand formed by recessing the bottom surface upward, and a control board support member for supporting the control board above the recess. A video camera housing characterized by having. 3. The control board supporting member according to claim 2, wherein the control board support member is provided with a large-diameter shaft portion on which the control board is mounted on an upper end surface, and a projection provided on an upper end surface of the large-diameter shaft portion. And a small-diameter shaft portion that is loosely fitted in a bearing hole formed in the housing of the video camera.