JP2006108743A - Camera apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a monitoring camera apparatus capable of enhancing positional accuracy between a camera body and a rotary shaft with a simple configuration. <P>SOLUTION: A positioning boss 13 is provided on an axial line A being a turning center of the camera body 10. The boss is integrally formed to the camera body 11. The boss 13 is penetrated through a mating hole 14 formed to a bracket 11b and engages with a shaft 12b. A hole having the turning center axis at an end 15 of the camera body is formed on the shaft 12b and the shaft 12b engages with the positioning boss on the camera body with high accuracy. <P>COPYRIGHT: (C)2006,JPO&NCIPI

Description

  The present invention relates to a camera device that captures an image, and more particularly to a camera rotation mechanism such as a surveillance camera that can arbitrarily move a shooting direction.

2. Description of the Related Art Conventionally, an image capturing apparatus such as a monitoring camera has a rotation mechanism that can move a photographing position in an arbitrary direction. When realizing this rotation mechanism, various ideas are made to improve the assembly accuracy. Specifically, in Patent Document 1, a positioning groove provided in a direction that makes a predetermined angle by retreating from the drive shaft, and a hole provided adjacent to the positioning groove and provided in a direction different from the positioning groove are provided. By providing, the thing which can hold | maintain a drive shaft in an appropriate position accurately is disclosed, without using a special positioning member.
Japanese Patent Laid-Open No. 6-94960 (FIG. 1)

  However, in the conventional bearing structure as described above, the positional accuracy of the shaft and the bearing is improved. However, the improvement of the accuracy of the camera body attached to the bearing and the shaft is not described. Therefore, with respect to the mounting accuracy between the bearing and the camera body, another positioning structure is required, resulting in an increase in cost and a decrease in position accuracy. Therefore, in order to solve the above-described problems, the present invention provides a surveillance camera capable of improving the positional accuracy of the camera body and the rotation shaft with a simple configuration in the rotation mechanism of the camera device attached via the bearing. The object is to provide an apparatus.

  In order to solve the above-described problems, the present invention is a camera device capable of arbitrarily moving an imaging direction, and a camera body having an imaging lens and a camera body that is integrally formed and serves as a rotation center of the camera body. A boss part provided on an axis, a bracket part provided with a fitting hole through which the camera body is fixed and through which the boss part passes, and a shaft part engaged with the boss part It is.

In order to solve the above-described problems, the bracket and the shaft portion are fixed, and the bracket and the camera body are fixed.

  In order to solve the above-described problems, the present invention has an engagement hole in which the boss portion is engaged at the end of the shaft portion.

The positional accuracy between the camera body and the rotation shaft can be improved.

  Hereinafter, an embodiment of the present invention will be described.

  FIG. 1 is a perspective view showing the configuration of a surveillance camera apparatus showing an embodiment of the present invention.

  The camera body 10 of the surveillance camera device 1 shown in the present embodiment has an imaging lens and an image imaging element in a lens barrel structure made of resin, and rotates and shoots in an arbitrary direction by a structure described later. It is a part. The brackets 11a and 11b are fixing members to which the camera body is attached from the left and right sides, and the left and right shafts 12a and 12b are firmly fixed by caulking, respectively. The brackets 11a and 11b are also used for fixing a circuit board (not shown). The shafts 12a and 12b are attached to the brackets 11a and 11b so as to have the same central axis. In this embodiment, it is attached on the central axis A. Therefore, the camera can be rotated together with the camera body 10 and the brackets 11a and 11b with the central axis A as a rotation center. The driving is performed by a motor mechanism (not shown) and the like, and the imaging direction of the camera body can be moved.

  Next, the attachment structure of each component of the present embodiment described in FIG. 1 will be described with reference to FIG. FIG. 2 is an exploded perspective view of the monitoring camera device 1 shown in the present embodiment.

  As shown in FIG. 2, a positioning boss 13 is provided on an axis A that is the rotation center of the camera body 10 of the monitoring camera device 1. The boss is integrally formed with the camera body 11 and is formed of resin together with the camera body. The boss 13 passes through the fitting hole 14 provided in the bracket 11b and engages with the shaft 12b. The shaft 12b is provided with a hole having a rotation center axis at the end 15 on the camera body side, and is accurately engaged with a positioning boss on the camera body.

  The boss 13 formed integrally with the camera body and the shaft 12b are engaged with each other with the bracket 11b interposed therebetween, while the bracket 11b and the camera body 10 are fixed by screws 16a and 16b, so that A rotating structure is realized. That is, the shaft 12b and the bracket 11b are fixed by caulking, the bracket 11b and the camera body 10 are fixed by screws 16a and 16b, and are used for positioning the boss 13 shaft 12b and the body 10.

  Next, the connection structure of the shaft 12b, the bracket 11b, and the boss 13 will be described with reference to FIG.

FIG. 4 is a cross-sectional view vertically penetrating on the central axis A in FIG. 1 and also includes an enlarged view in which the connection structure portion C is enlarged. Like the connection structure portion C, the shaft 12b is provided with a positioning hole 17 so that the boss 13 is engaged, and is engaged through the fitting hole 14 of the bracket 11b. The bracket 11b and the shaft 12b are fixed by caulking, and the bracket 11b and the shaft 12b are fixed while improving the mounting accuracy of the camera body 10 and the shaft 12b.

  As described above, according to the present embodiment, the shaft can be positioned directly with the camera body, and the shaft is fixed to the camera body through a fixing member such as a bracket, so that the position accuracy is strong and stable. Can be provided.

It is a perspective view which shows the structure of the surveillance camera apparatus which shows one Embodiment of this invention. It is a disassembled perspective view for demonstrating the connection condition of the monitoring camera apparatus in the embodiment. It is sectional drawing for demonstrating the joint structure of the camera main body in the same embodiment, a bracket, and a shaft.

Explanation of symbols

DESCRIPTION OF SYMBOLS 10 ... Camera body, 11a, 11b ... Bracket, 12a, 12b ... Shaft, 13 ... Boss, 14 ... Fitting hole, 15 ... Shaft end part, 16a, 16b ... Screw, 17 ... Positioning hole part.

Claims (3)

In a camera device that can rotate the imaging direction arbitrarily,
A camera main body having an imaging lens, a boss formed integrally with the camera main body and provided on an axis that is a rotation center of the camera main body, the camera main body is fixed, and the boss is penetrated. A camera device comprising a bracket portion provided with a fitting hole and a shaft portion engaged with the boss portion.   The camera device according to claim 1, wherein the bracket and the shaft portion are fixed, and the bracket and the camera body are fixed. The camera device according to claim 1, wherein an engagement hole for engaging the boss portion is formed at an end portion of the shaft portion.

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