JP2010266540A - Imaging apparatus - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide an imaging apparatus accurately adjusting a turning position of an imaging device so that a picked-up image is erected in the case where a housing is attached conforming to a direction of an attaching surface of an installation base when installing the housing on the installation base. <P>SOLUTION: A monitor camera 1 (imaging apparatus) is equipped with: the housing 2; and a front unit 10 attached to the front of the housing 2 to be turnable relative to the housing 2. The front unit 10 includes: a front panel 11 turning relative to the housing 2 by turning operation by a user; a CCD 14 turning as the front panel 11 turns; and one triangular mark 11b enabling the user to visually confirm the turning positions of the front panel 11 and the CCD 14. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

  The present invention relates to an imaging apparatus, and more particularly, to an imaging apparatus including a rotation unit that rotates with respect to a housing.

  2. Description of the Related Art Conventionally, there is known an imaging device including a rotation unit that rotates with respect to a housing (for example, Patent Document 1). In Patent Document 1, a cabinet (housing), a housing attached to a front portion of the cabinet so as to be rotatable with respect to the cabinet, and fixed to the housing, are rotated with the rotation of the housing. And a camera angle adjusting mechanism including a camera including a CCD (imaging device) inside. The housing is configured to rotate with respect to the cabinet by a user operation. Further, the housing functions as an anti-slip when the user performs a rotation operation, and is provided with an operation grip that can be visually recognized by the user, and a pair of operation grips are provided symmetrically on the left and right side surfaces of the housing. Yes.

Japanese Patent Application Laid-Open No. 11-284887

  However, in the camera angle adjustment mechanism of Patent Document 1, when a pair of operation grips visible by the user is used as a mark for identifying the rotation angle position of the camera, the operation grips Since the pair is provided symmetrically, when the housing is rotated 180 degrees or more with respect to the cabinet, the rotation angle from the initial position of the housing with respect to the cabinet is identified using the pair of operation grips as a mark. It is difficult. Therefore, when the cabinet of the camera (imaging device) is installed on the installation base, the direction in which the image to be captured stands upright when the camera casing is installed in accordance with the direction of the installation surface of the installation base Thus, there is a problem that it is difficult to accurately adjust the rotational position of the image sensor.

  The present invention has been made in order to solve the above-described problems, and one object of the present invention is to provide a housing in accordance with the direction of the mounting surface of the installation table when the case is installed on the installation table. An object of the present invention is to provide an imaging apparatus capable of accurately adjusting the rotational position of an imaging element so that an image to be captured is in an upright direction when a body is attached.

Means for Solving the Problems and Effects of the Invention

  An imaging apparatus according to an aspect of the present invention includes a housing and a rotation unit that is rotatably attached to the front portion of the housing, and the rotation unit can be rotated by a user. A rotating operation unit that rotates with respect to the housing, an imaging element that rotates with the rotation of the rotating operation unit, and a rotation operation unit and a rotation position of the imaging element that can be visually recognized by the user. A rotation position identification unit.

  In the imaging apparatus according to one aspect of the present invention, as described above, the rotation unit that rotates with respect to the casing by the rotation operation by the user is attached to the rotation unit that is rotatably attached to the casing. And an imaging element that rotates as the rotation operation unit rotates, and a single rotation position identification unit that allows the user to visually recognize the rotation position of the rotation operation unit and the imaging element. When the rotation operation unit is rotated with respect to the casing by the rotation operation unit, a rotation position identification unit that indicates a rotation position of the imaging device that rotates with the rotation of the rotation operation unit. Since one is provided, the rotation position identification unit can indicate the exact rotation position of the rotation operation unit regardless of the rotation operation amount of the rotation operation unit. Thus, when the housing of the imaging device is installed on the installation base, when the housing of the imaging device is attached in accordance with the direction of the mounting surface of the installation base, imaging is easily performed using one rotational position identification unit. The rotational position of the image sensor can be accurately adjusted so that the image to be erected is in the upright direction.

  In the imaging apparatus according to the one aspect described above, preferably, a predetermined part of the casing is provided with one installation base attaching portion for attaching the casing to the installation base. It is composed of a rotation position identification mark that indicates the direction in which the image captured by the element stands upright. When the installation base mounting portion of the housing is attached to the installation base, the imaging element picks up an image based on the rotation position identification mark. The rotation operation unit can be rotated and adjusted so that the image to be moved is in an upright direction. If comprised in this way, an imaging device is operated by rotating operation of a rotation operation part, confirming a rotation position identification mark visually so that a rotation identification mark may be located in a predetermined direction (for example, upward). When installing on the installation base, the rotation position of the image sensor can be easily adjusted so that an image captured by the image sensor is upright.

  In the imaging device according to the above aspect, preferably, the housing is provided on the front surface and integrally includes a stopper portion that can be visually recognized by the user, and the rotation operation portion of the rotation unit is visible by the user. And the protrusion part which regulates the rotation range of a rotation unit by contact | abutting with the stopper part of a housing | casing is included. If comprised in this way, since a rotation operation part can be rotated while confirming the rotation positional relationship between the stopper part of a housing | casing and the projection part of a rotation operation part visually, a rotation unit Can be easily understood by the user.

  In this case, preferably, the housing further includes a concave portion, and the rotation unit has a convex portion for positioning the rotation position of the rotation operation unit by engaging with the concave portion of the housing, and the rotation unit The stopper further includes a plate portion fixed to the operation portion, and the stopper portion is configured to contact the protrusion portion of the rotation operation portion at a position where the convex portion of the plate portion and the concave portion of the housing are engaged. . If comprised in this way, when installing an imaging device in an installation stand, a rotation part is made by engaging the convex part provided in the plate part fixed to a rotation operation part, and the recessed part of a housing | casing. The rotation position of the image pickup device (the rotation position of the image sensor) can be easily determined, and the rotation of the rotation unit can be easily performed at the rotation position where the protrusion of the rotation operation portion and the stopper portion abut. The moving position (rotating position of the image sensor) can be positioned.

  In the imaging device in which the casing includes a concave portion and the plate portion includes a convex portion, preferably, the convex portion of the plate portion is configured to be elastically deformable and other than an engagement position with the concave portion of the casing. It is configured to be elastically deformed at the rotational position. If comprised in this way, when rotating the area other than the engaging position of the convex part of a plate part and the recessed part of a housing | casing, a rotational operation part is rotated with respect to a housing | casing. Resistance can be reduced. Thereby, when adjusting the rotation position of an image pick-up element, a rotation operation part can be made easy to rotate.

  In the imaging device in which the housing includes a concave portion and the plate portion includes a convex portion, preferably, four concave portions of the housing are provided at intervals of 90 degrees, and the convex portion of the plate portion has an interval of 90 degrees of the housing. Four are provided at intervals of 90 degrees so as to correspond to each of the four concave portions provided in FIG. With this configuration, when the imaging device is attached to the installation base, the mounting surface of the installation base (mounting direction) can be easily attached to the housing even when the orientation (mounting direction) is upward, downward, rightward, or leftward. On the other hand, it is possible to adjust the rotation position of the rotation operation unit at intervals of 90 degrees so that the image picked up by the image pickup device is in the upright direction.

It is the perspective view which showed the whole structure of the surveillance camera by 1st Embodiment of this invention. It is the front view which showed the installation state of the surveillance camera by 1st Embodiment shown in FIG. It is the perspective view which showed the structure of the housing | casing and front unit of the surveillance camera by 1st Embodiment shown in FIG. It is a rear view for demonstrating the internal structure of the surveillance camera by 1st Embodiment shown in FIG. It is a disassembled perspective view for demonstrating the internal structure of the surveillance camera by 1st Embodiment shown in FIG. It is the perspective view which showed the front panel of the surveillance camera by 1st Embodiment shown in FIG. It is sectional drawing along the 100-100 line shown in FIG. It is the perspective view which showed the surveillance camera by 2nd Embodiment of this invention. It is a rear view for demonstrating the surveillance camera internal structure by 2nd Embodiment shown in FIG. It is the front view which showed the installation state of the surveillance camera by 2nd Embodiment shown in FIG.

  DESCRIPTION OF EXEMPLARY EMBODIMENTS Embodiments of the invention will be described below with reference to the drawings.

(First embodiment)
With reference to FIGS. 1-7, the structure of the surveillance camera 1 by 1st Embodiment of this invention is demonstrated. In the first embodiment, a monitoring camera 1 will be described as an example of an imaging apparatus of the present invention.

  As shown in FIG. 1, the surveillance camera 1 according to the first embodiment of the present invention includes a housing 2 and a front unit 10 attached to the front portion of the housing 2. The front unit 10 is rotatably attached to the housing 2. The front unit 10 is an example of the “rotating unit” in the present invention.

  Moreover, the housing | casing 2 is comprised by the upper side housing | casing 2a and the lower side housing | casing 2b. The housing 2 is configured to support the front unit 10 by sandwiching the front unit 10 between the upper housing 2a and the lower housing 2b. The upper housing 2a is provided with a mount portion 2c provided so as to protrude upward. The mount portion 2c is an example of the “installation base mounting portion” in the present invention. As shown in FIG. 2, the mount portion 2c is configured to be attached to an arm (installation base) 50 installed on a wall, ceiling, floor or the like. In addition, the monitoring camera 1 is configured to be installed on the arm (installation base) 50 so that the image captured by the monitoring camera 1 stands upright when the front unit 10 rotates with respect to the housing 2. Has been. This will be described in detail later. Further, as shown in FIG. 1, a stopper 2e that comes into contact with a projection 11c of a front panel 11 described later is integrally provided on the front surface 2d of the lower housing 2b.

  Further, the housing 2 has an opening 2 f for mounting the front unit 10. As shown in FIG. 3, the opening 2f is provided with four recesses 2g. Specifically, one recess 2g is provided in the upper housing 2a, one recess 2g is provided in the lower housing 2b, and the upper housing 2a and the lower housing 2b are fixed. When this is done, two recesses 2g are provided at the boundary between the upper housing 2a and the lower housing 2b. As shown in FIG. 4, these four concave portions 2g are provided at intervals of about 90 degrees, and are configured to engage with convex portions 17c of a pressing plate 17 described later.

  As shown in FIG. 5, the front unit 10 (see FIG. 1) images a front panel 11 that can be rotated by a user, a compression coil spring 12, a resin-made CCD support member 13, and an image. It comprises a CCD 14, a printed circuit board 15 that supplies power to the CCD 14, an operation ring 16, and a presser plate 17. The front panel 11 is an example of the “rotating operation unit” of the present invention, and the CCD 14 is an example of the “imaging device” of the present invention. The holding plate 17 is an example of the “plate portion” in the present invention.

  Here, in the first embodiment, the front panel 11 is made of a metal made of an aluminum alloy for mounting a lens unit (not shown), and has a cylindrical lens mount portion 11a and a CCD 14 imaging correct. It includes a triangular mark 11b indicating a standing direction (a direction in which an image captured by the CCD 14 is erected) and a protrusion 11c provided so as to protrude outward from the outer surface so as to be visible by the user. . The triangular mark 11b is an example of the “rotation position identification unit” and “rotation position identification mark” of the present invention. The triangular mark 11b is printed on the front surface of the front panel 11 so that the user can easily see it. Further, the triangular mark 11b is configured to indicate the imaging erecting direction of the CCD 14 when the apex thereof faces upward. Further, the protrusion 11c is configured to function as a detent for the front panel 11 by contacting the stopper 2e of the lower casing 2b when the front panel 11 rotates with respect to the casing 2. Has been. Since the triangle mark 11b, the protruding portion 11c, and the stopper portion 2e are all visible by the user, the user turns the front panel 11 while checking the positions of the triangular mark 11b, the protruding portion 11c, and the stopper portion 2e. Can be operated.

  Further, as shown in FIG. 6, the rear surface of the front panel 11 is provided with three boss portions 11 d for supporting the pressing plate 17 (see FIG. 5) and fixing the pressing plate 17. The three boss portions 11d also have a function of preventing the CCD support member 13 (see FIG. 5) from rotating. Further, the boss portion 11d has a screw hole portion 11e. As shown in FIG. 7, the lens mount portion 11a of the front panel 11 is configured such that the outer peripheral surface 11f supports the CCD support member 13 so as to be slidable in the front-rear direction (X direction).

  Further, as shown in FIGS. 1 and 6, a protrusion 16 a (see FIG. 1) described later of the operation ring 16 (see FIG. 1) protrudes from the outer surface of the front panel 11 beyond the outer surface of the front panel 11. It has four notches 11g for making it. As shown in FIG. 1, these four cutout portions 11 g also function as a detent for the operation ring 16 by abutting with a protrusion 16 a described later of the operation ring 16 when the operation ring 16 is rotated. Have. As shown in FIG. 7, the compression coil spring 12 is disposed between the rear surface of the front panel 11 and the CCD support member 13, and is configured to urge the CCD support member 13 rearward (in the direction of the arrow X2). ing.

  Further, as shown in FIG. 5, the CCD support member 13 is formed so as to surround the three arc-shaped notches 13a provided in the outer peripheral portion, the opening 13b into which the CCD 14 is fitted, and the opening 13b. And a circular groove 13c. The three arc-shaped notches 13a are arranged at positions corresponding to the three bosses 11d (see FIG. 6) of the front panel 11, and when the CCD support member 13 is attached to the front panel 11, the CCD The support member 13 is configured to function as a relief portion for the boss portion 11d so as not to interfere with the boss portion 11d (see FIG. 6) of the front panel 11. Further, the three arc-shaped cutout portions 13a are configured to engage with the three boss portions 11d (see FIG. 6), respectively. As a result, when the front panel 11 is rotated by the user, the CCD support member 13 and the CCD 14 can be rotated as the front panel 11 rotates.

  Further, as shown in FIG. 7, the groove 13c of the CCD support member 13 is arranged so that the CCD support member 13 can slide in the front-rear direction (X direction) with respect to the lens mount portion 11a of the front panel 11. Eleven lens mount portions 11a are inserted. Further, as shown in FIGS. 5 and 7, the CCD support member 13 is provided on the outer peripheral portion thereof, and integrally includes three cam portions 13d inclined at a predetermined angle in a direction orthogonal to the front-rear direction (X direction). Including. These three cam portions 13d are configured to come into contact with a later-described claw portion 16b of the operation ring 16.

  An operation ring 16 made of resin and having a cylindrical shape is disposed outside the cam portion 13 d of the CCD support member 13 so as to surround the CCD support member 13. The operation ring 16 is provided to move the CCD support member 13 in the front-rear direction (X direction) by being rotated by the user. Specifically, as shown in FIG. 5, the operation ring 16 integrally includes four protrusions 16 a rotated by the user and three claw portions 16 b provided so as to protrude inward. Have. Further, as shown in FIG. 7, the claw portions 16 b are configured to contact the rear end surface of the cam portion 13 d of the CCD support member 13. When the projection 16a is turned counterclockwise by the user, the CCD support member 13 moves forward (in the direction of the arrow X1) according to the inclination of the cam portion 13d. Configured to be moved to. Further, the CCD support member 13 is configured to be moved rearward (in the direction of the arrow X2) by the urging force of the compression coil spring 12 when the protrusion 16a is rotated clockwise by the user. . As a result, the flange back (the distance between the lens unit (not shown) and the CCD 14) is adjusted.

  Further, as shown in FIG. 5, the holding plate 17 is disposed behind the CCD support member 13 (in the direction of the arrow X <b> 2). The pressing plate 17 is provided to prevent the CCD support member 13 and the CCD 14 from falling backward. Specifically, three pressing plates 17 are provided on the contact surface 17a so as to correspond to the contact surface 17a that contacts the boss portion 11d (see FIG. 6) of the front panel 11 and each of the three boss portions 11d. And a screw insertion hole 17b provided. The presser plate 17 is screwed into the screw hole portions 11e (see FIG. 6) of the three boss portions 11d (see FIG. 6) while the screw member 40 is inserted into each of the three screw insertion holes 17b. By this, it is configured to be fixed to the front panel 11. At this time, the CCD support member 13 is disposed between the rear end portion of the lens mount portion 11 a of the front panel 11 and the contact surface 17 a of the press plate 17, and the front panel 11 and the press plate 17 are arranged. Since it is fixed, the CCD support member 13 can be configured not to drop off from the front panel 11.

  In the first embodiment, as shown in FIG. 4, the holding plate 17 is provided between each of the four convex portions 17 c provided on the outer side of each of the four convex portions 17 c at about 90 degrees. And a flange portion 17d to be integrated. The four convex portions 17c are configured to engage with the four concave portions 2g of the housing 2, and by engaging with the four concave portions 2g of the housing 2, the front unit 10 and the front panel 11 is configured to function as a positioning of the rotational position with respect to the housing 2. As a result, the front unit 10 can be positioned at a rotational position approximately every 90 degrees, and as shown in FIG. 2, the mounting direction of the surveillance camera 1 is upward, leftward, rightward, and downward. In either case, the surveillance camera 1 can be arranged in a state where the image to be captured is positioned at a position where the image is upright.

  Specifically, when the monitoring camera 1 is installed on the ceiling 200 (when the mounting direction of the monitoring camera 1 is upward), the front panel 11 is placed with respect to the housing 2 so that the triangular mark 11b faces upward. By rotating, the surveillance camera 1 can be arranged in a state where the image to be picked up is positioned at an upright position. When the monitoring camera 1 is installed on the wall 300 (when the mounting direction of the monitoring camera 1 is leftward), the triangular mark 11b faces upward from when the mounting direction of the monitoring camera 1 is upward. By rotating the front panel 11 about 90 degrees clockwise with respect to the housing 2, the surveillance camera 1 can be arranged in a state where the image to be captured is positioned at an upright position. Further, when the monitoring camera 1 is installed on the wall 400 (when the mounting direction of the monitoring camera 1 is rightward), the triangular mark 11b faces upward from when the mounting direction of the monitoring camera 1 is upward. By rotating the front panel 11 about 90 degrees counterclockwise with respect to the housing 2, the surveillance camera 1 can be arranged in a state where the image to be picked up is positioned at an upright position. When the surveillance camera 1 is installed on the floor 500 (when the attachment direction of the surveillance camera 1 is downward), the triangle mark 11b faces upward from the case where the attachment direction of the surveillance camera 1 is upward. Further, by rotating the front panel 11 about 180 degrees clockwise with respect to the housing 2, the monitoring camera 1 can be arranged in a state where the image to be picked up is positioned at an upright position. When the surveillance camera 1 is installed on the floor 500, when the front panel 11 is further rotated clockwise with respect to the housing 2, the stopper portion 2e of the housing 2 is in a position where it abuts on the protruding portion 11c. The triangle mark 11b is positioned upward.

  Further, the stopper portion 2e of the housing 2 is configured to come into contact with the protruding portion 11c of the front panel 11 when the monitoring camera 1 is attached to the arm 50 so that the mount portion 2c is positioned below. . That is, the stopper portion 2e is disposed so as to abut on the protruding portion 11c at a position where the concave portion 2g (see FIG. 4) of the housing 2 and the convex portion 17c of the pressing plate 17 are engaged.

  Further, as shown in FIG. 5, the four convex portions 17c are configured to be elastically deformable in the radial direction. As a result, when the front panel 11 is rotated and the rotation position of the convex portion 17c deviates from the engagement position with the concave portion 2g of the housing 2, the front panel 11 is rotated by elastic deformation of the convex portion 17c. Accordingly, it is possible to reduce the resistance generated between the convex portion 17 c and the opening 2 f of the housing 2 when the pressing plate 17 rotates, and therefore the front panel 11 is moved relative to the housing 2. And can be rotated smoothly.

  Further, the flange portion 17d of the holding plate 17 has the front surface of the flange portion 17d hooked (contacted) with the rear surface of the housing 2 when the front unit 10 is sandwiched between the upper housing 2a and the lower housing 2b. It is configured as follows. Thereby, it becomes possible to suppress the front unit 10 from moving forward (in the direction of the arrow X1) with respect to the housing 2.

  In the first embodiment, as described above, the front unit 10 that is rotatably attached to the housing 2 is provided with a front panel 11 that rotates relative to the housing 2 by a user operation, and the front panel 11. By providing the CCD 14 that rotates with the rotation and one triangular mark 11 b that allows the user to visually recognize the rotation position of the front panel 11 and the CCD 14, the user rotates the front panel 11 with respect to the housing 2. When the front panel 11 is moved, one triangular mark 11b that can visually recognize the rotation position of the CCD 14 that rotates with the rotation of the front panel 11 is provided. Regardless of the amount, the triangular mark 11b can indicate the exact rotation position of the front panel 11 and the CCD 14. Thus, when the housing 2 of the monitoring camera 1 is installed on the arm 50, when the housing 2 of the monitoring camera 1 is attached in accordance with the direction of the arm 50, imaging is easily performed using one triangular mark 11b. The rotational position of the CCD 14 can be accurately adjusted so that the image to be projected is in an upright direction.

  Further, in the first embodiment, as described above, one mount portion 2c for attaching the housing 2 to the arm 50 is provided on the upper portion of the housing 2, and the image captured by the CCD 14 is upright on the triangular mark 11b. When the mounting portion 2c of the housing 2 is attached to the arm 50 so as to indicate that the direction to perform is upward, the image captured by the CCD 14 is upright by turning the triangular mark 11b upward. By rotating the front panel 11 so that the triangle mark 11b faces upward, the front panel 11 is rotated while visually confirming the triangle mark 11b. Thus, when the surveillance camera 1 is installed on the arm 50, the rotational position of the CCD 14 is easily adjusted so that the image captured by the CCD 14 is upright. Can.

  Moreover, in 1st Embodiment, while providing the stopper part 2e which can be visually recognized by the user in the front surface of the housing | casing 2 as mentioned above, it can be visually recognized by the user on the front panel 11 of the front unit 10, and a housing | casing By providing a protrusion 11c that restricts the rotation range of the front unit 10 by abutting against the stopper 2e of the second, the rotational position relationship between the stopper 2e of the housing 2 and the protrusion 11c of the front panel 11 is provided. Since the front panel 11 can be turned while visually confirming the above, the turning range of the front unit 10 can be easily understood by the user.

  Further, in the first embodiment, as described above, the housing 2 is provided with the recess 2g, and the front unit 10 is engaged with the recess 2g of the housing 2 to position the rotation position of the front panel 11. A pressing plate 17 having a convex portion 17c and fixed to the front panel 11 is provided, and the stopper portion 2e is disposed at a position where the convex portion 17c of the pressing plate 17 and the concave portion 2g of the housing 2 are engaged with each other. By making contact with the protrusion 11c, the protrusion 17c provided on the holding plate 17 fixed to the front panel 11 and the recess 2g of the housing 2 are engaged with each other. The rotation position (the rotation position of the CCD 14) can be easily positioned, and the protrusion 11c and the stopper of the front panel 11 In 2e and abuts pivot position, easily, the rotational position of the front panel 11 can be positioned.

  In the first embodiment, as described above, the convex portion 17c of the pressing plate 17 is configured to be elastically deformable, and elastically deformed at a rotational position other than the engagement position with the concave portion 2g of the housing 2. With this configuration, when the front panel 11 is rotated in a region other than the engagement position between the convex portion 17 c of the holding plate 17 and the concave portion 2 g of the housing 2, the front panel 11 is moved with respect to the housing 2. The resistance when rotating can be reduced. Thereby, the front panel 11 can be easily rotated when adjusting the rotation position of the CCD 14.

  In the first embodiment, as described above, four concave portions 2g of the housing 2 are provided at intervals of about 90 degrees, and the convex portions 17c of the pressing plate 17 are provided at intervals of about 90 degrees of the housing 2. By providing four at 90 degree intervals so as to correspond to each of the four recesses 2g, when the surveillance camera 1 is attached to the arm 50, the attachment direction of the arm 50 is any one of upward, downward, rightward, and leftward. Also in this case, the rotation position of the front panel 11 can be easily adjusted at intervals of about 90 degrees with respect to the housing 2 so that the image picked up by the CCD 14 can be adjusted upright.

(Second Embodiment)
Next, with reference to FIGS. 8-10, the surveillance camera 101 by 2nd Embodiment of this invention is demonstrated. In the second embodiment, unlike the first embodiment, an example in which the front unit 10 is positioned with respect to the housing 102 at an arbitrary rotation angle position will be described.

  In the monitoring camera 101 according to the second embodiment, as shown in FIG. 8, the front unit 10 is rotatably attached to the housing 102. The housing 102 includes an upper housing 102a and a lower housing 102b, and the front unit 10 is attached to the housing 102 by being sandwiched between the upper housing 102a and the lower housing 102b.

  Here, in the second embodiment, the opening 102c of the housing 102 has a sawtooth shape including a plurality of recesses 102d. As shown in FIG. 9, the recesses 102 d are configured to be engageable with the protrusions 17 c of the pressing plate 17. As a result, it is possible to engage the convex portion 17c of the holding plate 17 for each angular position of the concave portion 102d of the housing 102, so that the front unit 10 can be positioned at the rotational position at an arbitrary angular position. Become. As a result, as shown in FIG. 10, even when the housing 102 is disposed obliquely, it is possible to erect an image captured by the monitoring camera 101.

  Other configurations and effects of the second embodiment are the same as those of the first embodiment.

  The embodiment disclosed this time should be considered as illustrative in all points and not restrictive. The scope of the present invention is shown not by the above description of the embodiments but by the scope of claims for patent, and further includes all modifications within the meaning and scope equivalent to the scope of claims for patent.

  For example, in the first and second embodiments, the surveillance camera is shown as an example of the imaging apparatus of the present invention. However, the present invention is not limited to this, and a rotation operation unit that rotates an imaging element that captures an image. If it is an imaging device provided with, it is applicable also to imaging devices other than a surveillance camera, such as a digital camera and a video camera.

  In the first and second embodiments, the CCD is shown as an example of an image pickup device that picks up an image of the present invention. However, the present invention is not limited to this, and other images such as CMOS (Complementary Metal Oxide Semiconductor) are used. A sensor may be used.

  In the first and second embodiments, the triangular mark printed on the front panel is shown as an example of the rotational position identification unit of the present invention. However, the present invention is not limited to this, and the imaging upright of the CCD is not limited. If the direction is clearly visible, a rotational position identifying unit other than a triangular mark such as an arrow may be provided.

  Moreover, although the example which prints a triangular mark on a front panel was shown in the said 1st and 2nd embodiment, this invention is not restricted to this, You may provide a triangular mark separately from a front panel. Moreover, you may provide in parts other than a front panel.

  Moreover, although the said 1st Embodiment showed the example which provides four recessed parts of the housing | casing which function as positioning of the rotation position of a front unit by engaging with the convex part of a holding | suppressing plate about 90 degree | times. However, the present invention is not limited to this, and many recesses may be provided at intervals of about 90 degrees, such as eight at intervals of about 45 degrees. In this case, the rotational position of the front unit can be finely adjusted.

1, 101 surveillance camera (imaging device)
2,102 Case 2c Mount part (installation base mounting part)
2e Stopper part 2g, 102d Concave part 10 Front unit (rotating unit)
11 Front panel (rotation operation part)
11b Triangular mark (rotation position identification part, rotation position identification mark)
11c Projection 14 CCD (imaging device)
17 Presser plate (plate part)
17c Convex part
50 arms (installation base)

Claims (6)

A housing,
A rotation unit attached to the front of the housing so as to be rotatable with respect to the housing;
The rotating unit is
A rotation operation unit that rotates with respect to the housing by a rotation operation by a user;
An imaging device that rotates in accordance with the rotation of the rotation operation unit;
An imaging apparatus including: the rotation operation unit and a single rotation position identification unit that allows a user to visually recognize the rotation position of the imaging element. The predetermined part of the housing is provided with one installation base mounting portion for attaching the housing to the installation base,
The rotation position identification unit is configured by a rotation position identification mark indicating a direction in which an image captured by the imaging element is upright,
In a state where the installation base mounting portion of the housing is attached to the installation base, the rotation operation unit is arranged so that an image captured by the imaging element is in an upright direction based on the rotation position identification mark. The imaging apparatus according to claim 1, wherein the imaging apparatus is configured to be adjustable by rotating. The housing is provided on the front surface, and integrally includes a stopper portion visible by the user,
The rotation operation unit of the rotation unit includes a protrusion that can be visually recognized by a user and that regulates a rotation range of the rotation unit by abutting with a stopper of the housing. 2. The imaging device according to 2. The housing further includes a recess,
The rotation unit further includes a plate portion that has a convex portion that positions the rotation position of the rotation operation unit by engaging with the recess of the housing, and is fixed to the rotation operation unit. 4. The stopper according to claim 3, wherein the stopper portion is configured to come into contact with a protruding portion of the rotation operation portion at a position where the convex portion of the plate portion and the concave portion of the housing are engaged. Imaging device.   The convex part of the said plate part is comprised so that elastic deformation is possible, and it is comprised so that it may elastically deform in rotation positions other than the engagement position with the recessed part of the said housing | casing. Imaging device. Four concave portions of the housing are provided at intervals of 90 degrees,
6. The imaging device according to claim 4, wherein four convex portions of the plate portion are provided at intervals of 90 degrees so as to correspond to four concave portions provided at intervals of 90 degrees of the casing. .

Images