JPH09303332A - Attachment device of television camera - Google Patents

Abstract

PROBLEM TO BE SOLVED: To eliminate the need of screwing work thereby facilitating an attachment work of a television camera and to prevent the detachment of a holding member of a television camera from an attachment base. SOLUTION: An attachment device of a television camera comprises an attachment base 30 which is attached on a ceiling surface or a wall surface and a television camera holding member 32 which is fixed to this attachment base 30. The attachment base 30 has a small column part 34 which is smaller than the surface of the attachment base 30, a projecting piece 36 on both ends in the direction of a diameter of the column part 34, and a projecting part 38 is provided on a surface of an attachment base 30 in an outside direction of these projecting pieces 36. The television camera holding member 32 has a circular hole 40 to which the column part of the attachment base 30 is fit, and is provided with a circular ring base part 42 having a notch part 44 to which the projecting piece 36 of the attachment base 30 is fit, an arm part 46 for holding a television camera main body on both ends in the diameter direction of the circular ring base part 42a and a notch groove 48 with which the projecting part 38 of the attachment base 30 provided on the outside of the surface on the side of the attachment base 30 of the circular ring base part 42.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a device for mounting a television camera on a ceiling or a wall surface.

[0002]

2. Description of the Related Art A television camera may be attached to a ceiling surface or a wall surface for crime prevention. To mount the television camera on the ceiling surface or the like, first, as shown in FIG. 9, the mounting base 10 is mounted on the ceiling surface 12 or the like, and then the mounting base 10 is mounted.
Then, the TV camera body 16 is attached via the TV camera holding member 14. Although not shown in FIG. 9, a nut is fixed to the back side of the hole 18 of the mounting base 10. By screwing a screw 22 that penetrates the base portion 20 of the television camera holding member 14 to this nut,
The television camera holding member 14 is attached to the mount 10. At this time, the screws 22 are tightened so that the television camera holding member 14 can be manually turned. The TV camera body 16 is held by the two arm portions 24 of the TV camera holding member 14. 26 is a screw and 28 is a hole.

[0003]

However, in the above-mentioned conventional technique, it is difficult to turn the screw 22 with the mounting base 10 fixed to the ceiling surface 12 facing upward.
Also, in order to approach the height of the ceiling, it is common for the person doing the installation work to work on a stepladder, etc., but in such an unstable place, if you do not screw upwards Since it does not happen, the screw 22 is often dropped during the mounting work, and the work did not proceed.

The present invention has been made in view of the above points, and an object of the present invention is to install a television camera on a ceiling or a wall without screwing the television camera. Moreover, it is an object of the present invention to provide a TV camera mounting device in which the TV camera holding member does not fall off from the mounting base.

[0005]

In order to achieve the above object, a television camera mounting apparatus of the present invention comprises a mounting base mounted on a ceiling surface or a wall surface, and a television camera holding member fixed to the mounting base. The mounting base has a cylindrical portion smaller than the surface of the mounting base on the surface, and has protruding pieces at both ends of the cylindrical portion in the diametrical direction. The TV camera holding member has a projection on the surface of the base, the TV camera holding member has a circular hole into which the cylindrical portion of the mounting base fits, and a notch into which the protruding piece of the mounting base fits. A ring-shaped base, arms for holding the TV camera body at both ends of the ring-shaped base in the diametrical direction, and protrusions of the mounting base provided outside the mounting base side surface of the circular base. And a notch groove with which is engaged.

In the above apparatus of the present invention, it is desirable that the television camera holding member is made of a flexible material. In the above device of the present invention, it is preferable that the notch groove of the annular base portion is provided in the annular base portion excluding the connecting portion of the arm portion. Further, in the above-mentioned device of the present invention, the arm portion and the annular base portion are strongly sandwiched from the outside, the circular hole portion is fitted to the cylindrical portion, and the arm portion is rotated by a predetermined angle. Therefore, it is preferable that the annular base portion and the notch groove are engaged with the protruding piece and the protrusion portion.

[0007]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to FIGS. The present invention is not limited to the embodiments described below. FIG. 1 shows an outline of an attachment device for a television camera according to an embodiment of the present invention. In FIG. 1, 30
Is a mounting base for mounting on the ceiling surface 12 or the wall surface, and the television camera holding member 32 is mounted on the mounting base 30. FIG. 2 shows a state where the television camera holding member shown in FIG. 1 is viewed obliquely from above.

As shown in FIG. 1, a cylindrical portion 34 having a diameter smaller than that of the surface of the mounting base 30 is provided on the surface of the mounting base 30, and the cylindrical portion 34 has diametrically opposite ends. A protruding piece 36 is provided. Then, a protrusion 38 is provided on the surface of the mounting base 30 of these protruding pieces 36 in the outward direction. On the other hand, as shown in FIGS. 1 and 2, the television camera holding member 32 is provided with a circular hole portion 40 into which the cylindrical portion 34 of the mounting base 30 is fitted. Further, the television camera holding member 32 is provided with an annular base portion 42, and the annular base portion 42 is the protruding piece 3 of the mounting base 30.
It has a notch 44 into which 6 is fitted. The mounting base 30 is provided outside the surface of the annular base portion 42 on the mounting base 30 side.
A notch groove 48 with which the protruding portion 38 of FIG.
Reference numeral 46 is an arm portion for holding the television camera body. In addition, as a material of the television camera holding member 32,
A flexible material such as plastic (for example, ABS resin) is used. The cutout groove 48 of the annular base portion 42 is provided, for example, in the annular base portion 42 excluding the connecting portion of the arm portion 46.

Next, the procedure for mounting the television camera holding member on the mounting base will be described with reference to FIGS. First, the television camera holding member 32 in the direction shown in FIG.
And the mounting base 30 are aligned. Next, the circular hole portion 40 of the television camera holding member 32 is attached to the cylindrical portion 3 of the mounting base 30.
However, if it is left as it is, the annular base 42 abuts on the protrusion 38, and the two cannot be fitted to a sufficient depth. Therefore, as shown in FIG. 4, the arm portion 46 is strongly pinched by the hand 50 from the outside, and the arm portion 46 and the annular base portion 42 are bent. When the circular hole portion 40 is fitted into the cylindrical portion 34 in such a bent state, the protrusion 38 does not get in the way, and the peripheral edge portion of the circular hole portion 40 is deeper than the protruding piece 36 of the cylindrical portion 34. (Ceiling surface 12
Side). Then, with the hand 50 sandwiching the arm portion 46 so as to bend it,
When is rotated by a predetermined angle, for example, 90 degrees, and the hand 50 is released, the television camera holding member 32 is attached to the attachment base 30, as shown in FIG. FIG. 6 shows A- in FIG.
FIG. 3 is a sectional view taken along line A.

As can be seen from FIG. 5, the annular base portion 42 of the television camera holding member 32 engages with the protruding piece 36 of the columnar portion 34 of the mounting base 30 and the annular shape of the television camera holding member 32. The cutout groove 48 in the base portion 42 is engaged with the protrusion portion 38 in the mounting base 30. Further, as can be seen from FIG. 6, the annular base portion 42 of the television camera holding member 32 is the protrusion portion 38 of the mounting base 30.
The rotatable angle is restricted by. Therefore, unless a force for bending the arm portion 46 is applied, the protruding piece 36 in the columnar portion 34 of the mounting base 30 and the cutout portion 4 in the annular base portion 42 of the television camera holding member 32.
Since the state of 4 and 4 does not coincide with each other, the television camera holding member 32 does not fall off from the mounting base 30. In particular, as shown in FIG. 8, when the TV camera main body 16 is attached to the TV camera holding member 32, the TV camera main body 16 prevents the arm portion 46 from bending. Mounting base 30
It is reliably prevented from falling off. FIG. 7 shows the mounting base 3.
The arm portion 4 of the television camera holding member 32 fixed to 0
6 shows a state in which the television camera body 16 is attached. 26 is a screw and 28 is a hole. In the above example, the procedure for attaching the TV camera holding member 32 to the attachment base 30 after the attachment base 30 is attached to the ceiling surface 12 or the wall surface has been described.
The mounting base 30 may be mounted on the ceiling surface 12 or the wall surface after the mounting.

[0011]

As described above, the present invention has the following effects. (1) When installing the TV camera on the ceiling or wall,
Since the TV camera holding member does not fall off the mounting base, the TV camera can be securely mounted. (2) The TV camera can be securely attached to the ceiling or the like by a simple procedure of rotating the TV camera holding member after the arm portion of the TV camera holding member is sandwiched by the hand or the like. (3) When installing the TV camera on the ceiling or wall surface,
Installation work of the TV camera is extremely easy because no screwing work is required. (4) Since the screwing work is unnecessary, there is no need to worry about dropping the screw, and it is not necessary to screw the screw in an unstable place such as on a stepladder.

[Brief description of drawings]

FIG. 1 is a perspective view showing an outline of an attachment device for a television camera according to an embodiment of the present invention.

FIG. 2 is a perspective view of the television camera holding member shown in FIG. 1 when viewed obliquely from above.

FIG. 3 is a vertical cross-sectional view showing a first procedure in the procedure of attaching the television camera attachment apparatus according to the embodiment of the present invention.

FIG. 4 is a vertical cross-sectional view showing a second step in the mounting procedure of the mounting device for the television camera according to the embodiment of the present invention.

FIG. 5 is a vertical cross-sectional view showing a state where the mounting is completed in the mounting procedure of the mounting device for the television camera according to the embodiment of the present invention.

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

FIG. 7 is a schematic perspective view showing a state in which the television camera main body is attached to the television camera holding member fixed to the attachment base in the embodiment of the present invention.

FIG. 8 is a front view showing a state where the television camera main body is attached to the television camera holding member fixed to the attachment base in the embodiment of the present invention.

FIG. 9 is a schematic perspective view showing a mounting state in a conventional television camera mounting device.

[Explanation of symbols]

 10, 30 Mounting base 12 Ceiling surface 14, 32 Television camera holding member 16 Television camera body 18, 28 hole 20 Base portion 22, 26 Screw 24, 46 Arm portion 34 Cylindrical portion 36 Projecting piece 38 Projecting portion 40 Circular hole portion 42 Toroidal base 44 Notch 48 Notch 50 Hand

Claims (4)

[Claims] 1. A mounting base mounted on a ceiling surface or a wall surface, and a television camera holding member fixed to the mounting base, the mounting base having a cylindrical portion smaller than the surface of the mounting base on the surface. However, it has projecting pieces on both ends in the diametrical direction of this columnar portion, and has projections on the surface of the mounting base in the outward direction of these projecting pieces. A ring-shaped base having a circular hole into which the portion fits and a notch into which the protruding piece of the mounting base fits, and the television camera body is held at both ends in the diameter direction of the ring-shaped base. An attachment device for a television camera, comprising: an arm portion and a cutout groove with which a protrusion of the attachment base provided on the outside of the surface of the annular base portion on the attachment base side engages. 2. The television camera mounting device according to claim 1, wherein the television camera holding member is formed of a flexible material. 3. The television camera mounting device according to claim 1, wherein the notch groove of the annular base portion is provided in the annular base portion excluding the connecting portion of the arm portion. 4. The annular base is fitted by tightly sandwiching the arm from the outside and fitting the circular hole into a columnar part with the arm and the annular base flexed, and rotating the arm by a predetermined angle. The mounting device for a television camera according to claim 1, wherein the portion and the cutout groove are engaged with the protruding piece and the protrusion.