JP3240202U - Positioning device for camera suspension - Google Patents

Abstract

A positioning device for a camera suspension device capable of positioning a camera. A positioning device 14 for a camera hanging device is a resin molded product, and includes a body portion 15, a passage portion 21 formed by partially opening a tubular portion 29 of the body portion 15, and the passage portion 21. a gripping hole 24 formed in the center of the main body 15 and connected to the main body 15; a knob 27 extending laterally from the cylindrical portion 29; Attached to the fixer's joints, it stops the movement of the joints. [Selection drawing] Fig. 5

Description

The present invention relates to a positioning device for a camera suspension attached to a camera suspension.

Conventionally, as a device that can adjust a camera suspended from the ceiling in an arbitrary direction, for example, an imaging device equipped with a ball joint mechanism described in Patent Document 1 below (hereinafter referred to as "publicly known document 1 invention") ). According to the first invention disclosed in the document, a spherical shaft is attached to the rear end of a camera as an imaging device, and the spherical shaft is sandwiched between supporting members fixed to the ceiling. With this configuration, the camera can be directed in any direction up, down, left, or right.

JP 2018-77370 A

However, while the spherical axis allows the camera to be oriented in any direction, it is difficult to position it horizontally. The camera does not need to be oriented in any direction, and if it is positioned horizontally, the camera will inevitably be horizontal if it is fixed directly to the ceiling, so there is no need for a support member to adjust the orientation. becomes. For example, since a dome camera has a flat installation surface on the ceiling, it is inevitably horizontal when fixed to the ceiling. In other words, on the premise that the dome camera is installed horizontally, the lens pans and tilts with respect to the horizontal.

In recent years, there are cases where the camera is fixed on a duct rail that is separated from the ceiling and is suspended in the air. In that case, the spherical axis makes it difficult to position the camera horizontally. It is conceivable to separately prepare supporting members for dome cameras and non-dome cameras, but this is complicated.

The present invention has been proposed in view of such circumstances. That is, it is an object of the present invention to provide a positioning device for a camera suspension device that can position the camera by being attached to the camera suspension device that can adjust the camera in any direction.

In order to achieve the above object, a positioning device for a camera suspension device according to the present invention includes an attachment/detachment portion to which a camera is attached and detached, and a support portion connected to the attachment/detachment portion via a joint to suspend the camera. of the camera hanging device having a rod-shaped part connected to the detachable part, and a shaft part connected to the rod-shaped part and connected to the support part. a main body portion attached to the rod-shaped portion from the side; and a flange portion that abuts against.

A positioning device for a camera suspension device according to the present invention is characterized in that it has a knob projecting laterally from an outer surface of the main body.

The positioning device for a camera hanging device according to the present invention is characterized in that the knob portion has a knob end portion at an outward end thereof which is flush with an outer edge of the attachment/detachment portion.

In the positioning device for a camera hanging device according to the present invention, the main body is formed in a cylindrical shape along the longitudinal direction of the rod-shaped part, and the rod-shaped part passes through from the outer surface of the main body toward the inside. A passage is formed, and a grasping hole is formed inside the main body so as to communicate with the passage, and the rod-shaped portion is arranged inside the main body.

The camera suspension device positioning device according to the present invention is characterized in that the body portion has a height corresponding to the distance between the detachable portion and the tip of the support portion.

In the positioning device for a camera hanging device according to the present invention, the main body portion is disk-shaped, and a passage portion through which the rod-shaped portion passes is formed inwardly from the outer surface portion of the main body portion, and communicates with the passage portion. A gripping hole in which the rod-shaped portion is arranged is formed in the center of the main body portion, and a groove portion is formed from the gripping hole in a direction perpendicular to the axial direction of the gripping hole, and the passage portion and The two grooves are arranged at regular intervals and radially extend from the gripping hole.

A positioning device for a camera suspension device according to the present invention is a camera suspension device that includes a detachable part to which a camera is attached and detached, and a support part that is connected to the detachable part via a joint and suspends the camera. A positioning device for a camera hanging device attached to and detached from a joint having a rod-shaped portion connected to a portion and a shaft portion connected to the rod-shaped portion and to a support portion, the positioning device being lateral to the rod-shaped portion. and a flange portion that protrudes from the end of the main body on the support side in a direction orthogonal to the main body and is brought into contact with the tip of the support. The detachable part can be oriented in any direction with respect to the support part by means of the joint part, but when the present invention is attached to the rod-shaped part and the flange part comes into contact with the tip of the support part, the joint part stops functioning. The detachable part is in the vertical direction of the support part, and the support part is fixed in a direction perpendicular to the ceiling surface, which is generally horizontal. and is horizontal. Therefore, the camera can be positioned horizontally. If camera positioning is not required, the present invention can be removed from the bar, and the articulated portion will function again and can be adjusted in any direction with respect to the support.

A positioning device for a camera suspension device according to the present invention has a knob projecting laterally from an outer surface of a main body. With this configuration, the user can work while holding the knob. Therefore, the present invention is easy to handle.

In the positioning device for a camera hanging device according to the present invention, the knob portion has a knob end portion flush with the outer edge of the detachable portion at the tip facing outward. With this configuration, when the user attaches or detaches the present invention to or from the joint, the user can easily attach the present invention by pressing the knob end portion, and on the other hand, can easily remove it by pinching and pulling the knob end portion. .

In the positioning device for a camera hanging device according to the present invention, the main body is formed in a cylindrical shape along the longitudinal direction of the rod-shaped part, and a passage through which the rod-shaped part passes is formed inwardly from the outer surface of the main body. A grasping hole is formed inside the main body portion to communicate with the passage portion and in which the rod-shaped portion is arranged. With this configuration, the main body fits and fits into the rod-like portion.

In the positioning device for a camera suspension device according to the present invention, the body portion has a height corresponding to the distance between the detachable portion and the tip of the support portion. When the present invention is attached to the rod-like portion, the present invention is sandwiched between the detachable portion and the support portion, and the joint portion does not function. Therefore, the camera can be positioned horizontally.

The positioning device for a camera hanging device according to the present invention has a disk-shaped main body, and a passage through which the rod-shaped part passes is formed from the outer surface of the main body toward the inside, and communicates with the main body. A gripping hole in which the rod-shaped portion is arranged is formed in the center of the main body, a groove is formed from the gripping hole in a direction orthogonal to the axial direction of the gripping hole, and the passage and the two grooves are equally spaced. They are arranged and extend radially around the gripping hole. That is, the evenly arranged grooves cause the main body to elastically deform uniformly. In addition, since the main body portion is disk-shaped, the present invention fits well when worn.

FIG. 1 is an external view showing how a camera suspension device positioning device according to a first embodiment of the present invention is attached to a camera suspension device. FIG. 2 is a schematic top view showing how the camera suspension device positioning device according to the first embodiment of the present invention is attached to the camera suspension device. FIG. 3 is an external view showing a state in which the camera suspension device positioning device according to the first embodiment of the present invention is attached to the camera suspension device. It is a plan view. FIG. 4 is a schematic top view showing a state in which the camera suspension device positioning device according to the first embodiment of the present invention is attached to the camera suspension device. FIG. 5 is an external perspective view of the positioning device for the camera suspension device according to the first embodiment of the present invention. FIG. 6 is an external top view of the positioning device for the camera suspension device according to the first embodiment of the present invention. FIG. 7 is an external front view of the positioning device for the camera suspension device according to the first embodiment of the present invention. FIG. 8 is an external bottom view of the positioning device for the camera suspension device according to the first embodiment of the present invention. FIG. 9 is an external side view of the positioning device for the camera suspension device according to the first embodiment of the present invention. FIG. 10 is a cross-section taken along line XX of FIG. 7, which is a side cross-sectional view of the positioning device for the camera suspension device according to the first embodiment of the present invention. FIG. 11 is an external view showing how the positioning device for the camera suspension device according to the second embodiment of the present invention is attached to the camera suspension device. FIG. 12 is a schematic top view showing how the camera suspension device positioning device according to the second embodiment of the present invention is attached to the camera suspension device. FIG. 13 is an external view showing a state in which the positioning device for the camera suspension device according to the second embodiment of the present invention is attached to the camera suspension device. It is a plan view. FIG. 14 is a schematic top view showing a state in which the positioning device for the camera suspension device according to the second embodiment of the present invention is attached to the camera suspension device. FIG. 15 is an external perspective view of a positioning device for a camera suspension device according to a second embodiment of the present invention; FIG. 16 is an external top view of the positioning device for the camera suspension device according to the second embodiment of the present invention. FIG. 17 is an external front view of a positioning device for a camera suspension device according to a second embodiment of the present invention; FIG. 18 is an external bottom view of the positioning device for the camera suspension device according to the second embodiment of the present invention. FIG. 19 is an external side view of a positioning device for a camera suspension device according to a second embodiment of the present invention; FIG. 20 is a cross-section taken along line XX-XX of FIG. 17, which is a side cross-sectional view of a positioning device for a camera suspension device according to a second embodiment of the present invention.

A camera suspension device positioning device (hereinafter simply referred to as "positioning device") according to a first embodiment of the present invention will be described below with reference to the drawings. A camera suspension device (hereinafter referred to as "fixer") according to the present embodiment is attached to, for example, a ceiling or a duct rail (hereinafter referred to as "ceiling etc.") to suspend a camera. However, in the following description, in order to facilitate understanding of the configuration, the fixer is placed on the flat ground instead of on the ceiling or the like. 1 to 4 show the appearance of the fixer 1 and how the positioning device 14 is attached to the fixer 1. FIG. The vertical direction is defined as Up or Down, and the directions perpendicular to the vertical direction are defined as Left Side, Right Side, Front and Back (Fig. 1 and 2).

As shown in FIGS. 1 to 4, the fixer 1 includes a detachable section 2 to which a camera (including a camera case; not shown) is detachable, and a joint section 6 connected to the detachable section 2 to mount the camera. It has a support part 9 to hang. The support portion 9 includes a disc-shaped base portion 10 fixed to the ceiling or the like, a columnar support body portion 11 extending upward from the base portion 10, and an upper end of the support body portion 11. and an adjusting lever 13 attached to the side surface of the support body 11 . The bearing portion 12 is a portion to which the joint portion 6 is connected. The adjustment lever 13 stops or releases the movement of the joint portion 6 . The shape of the base portion 10 is arbitrary as long as it can be vertically fixed to the ceiling or the like and is easy to attach to the ceiling or the like. Therefore, for example, the shape of the base portion 10 may be rectangular, polygonal, or the like. The shape of the support body portion 11 is also arbitrary, and the support body portion 11 may be configured to freely expand and contract.

The joint portion 6 has a spherical shaft portion 7 connected to the bearing portion 12 of the support portion 9 and a columnar rod portion 8 connected to the shaft portion 7 . Since the shaft portion 7 is spherical, the joint portion 6 can be tilted in any direction with respect to the support portion 9 and can rotate about the vertical direction. The detachable portion 2 is connected to the bar-shaped portion 8 . Note that the shaft portion may have a columnar shape extending to the left and right sides. In this case, the joint part falls down only in two directions in which the cylindrical shaft rotates.

The attachment/detachment part 2 is disc-shaped, and the outer peripheral edge part 3 is formed with projections and depressions on which a finger can be hooked. A protruding portion 4 is formed on the lower surface of the attaching/detaching portion 2 such that the central portion protrudes downward, and a rod-shaped portion is connected to the center. A connecting portion 5 is formed in the center of the upper surface of the attaching/detaching portion 2 . The connecting portion 5 is formed with a groove of a male screw, and a camera is connected thereto.

The positioning device 14 is attached to the joint portion 6 to prevent the joint portion 6 from being retracted. The positioning device 14 will now be described in detail with reference to the drawings. 5-10 show the exterior and cross-section of the positioning device 14. FIG.

The positioning tool 14 is, for example, a molded article made of resin such as polypropylene. As shown in FIGS. 5 to 10, the positioning device 14 includes a body portion 15 to be attached to and detached from the rod-shaped portion 8 of the joint portion 6, a passage portion 21 through which the rod-shaped portion 8 is passed, and passage portions 21 through which the rod-shaped portion 8 is passed. and a gripping hole 24 in which the rod-shaped portion 8 is disposed, and a knob portion 27 projecting outward from the outer surface portion of the main body portion 15 toward the side. The body portion 15 includes a tubular portion 29 extending along the longitudinal direction of the rod-shaped portion 8 and a flange portion 31 projecting outward from a lower end portion 30 of the tubular portion 29 perpendicularly to the body portion 15 . have. The knob portion 27 has a knob end portion 28 at the tip directed to the side.

A part of the cylindrical portion 29 is opened inward from the outer surface portion, and the passage portion 21 is formed. The passage portion 21 is formed narrower than the diameter of the rod portion 8 of the joint portion 6 . The gripping hole 24 extends vertically through the center of the tubular portion 29 and communicates with the passage portion 21 . The gripping hole 24 is cylindrical, and the diameter of the gripping hole 24 is formed to be the same as the diameter of the rod-shaped portion 8 of the joint portion 6 or slightly smaller than the diameter of the rod-shaped portion 8 . The tubular portion 29 is formed in a C shape when viewed from above (see FIG. 6).

The flange portion 31 extends laterally from the lower end portion 30 of the cylindrical portion 29 and is formed in a disc shape. The diameter of the flange portion 31 is the same as or substantially the same as the diameter of the bearing portion 12 .

The knob portion 27 is connected to the outer peripheral surface of the cylindrical portion 29 on the side opposite to the passage portion 21 and is formed in a plate shape. The knob end 28 is connected to the tip of the knob 27 and extends in a direction orthogonal to the knob 27 . Therefore, the knob portion 27 and the knob end portion 28 are formed in a T shape when viewed from above (see FIG. 6).

A positioning device 14 is formed as described above. Next, how to use the positioning device 14 will be described together with the action and effect of the positioning device 14. FIG.

As shown in FIGS. 1-4, the positioning device 14 is attached to and detached from the bar 8 of the articulation 6 . Specifically, the rod-shaped portion 8 is arranged on the side of the passage portion 21 in the positioning device 14 . Since the passage portion 21 is narrower than the diameter of the rod-shaped portion 8 , when the passage portion 21 is pressed against the rod-shaped portion 8 , the tubular portion 29 of the positioning device 14 is bent and widened at the passage portion 21 . The rod-shaped portion 8 passes through the passage portion 21 and is arranged in the grasping hole 24 . The tubular portion 29 is restored and the positioning device 14 is restored to its original state. The upper end portion 32 of the positioning device 14 faces the lower surface of the detachable portion 2 with a gap therebetween. The flange portion 31 of the positioning device 14 is brought into contact with the upper surface of the bearing portion 12 and aligned flush with the outer peripheral edge of the bearing portion 12 . A picking end portion 28 of the positioning tool 14 is flush with the outer peripheral edge portion 3 of the detachable portion 2 .

The detachable part 2 of the fixer 1 can be oriented in any direction with respect to the support part 9 by the spherical shaft part 7 of the joint part 6. Since the angle formed by the tubular portion 29 and the flange portion 31 is a right angle, the rod portion 8 also maintains a posture perpendicular to the upper surface of the bearing portion 12 . Therefore, the joint part 6 becomes non-functional. If the attachment/detachment part 2 is horizontal, the camera will also be horizontal. When the camera does not need to be leveled, the positioning device 14 can be removed from the bar 8 so that the articulation 6 can again function and can be adjusted to any orientation with respect to the support 9 .

Since the upper end portion 32 of the positioning device 14 faces the lower surface of the detachable portion 2 with a gap, the length of the rod-shaped portion 8 of the joint portion 6 and the distance between the detachable portion 2 and the bearing portion 12 of the support portion 9 The positioning device 14 can be properly attached to and detached from the rod-like portion 8 even if there is a tolerance for such things.

Since the positioning tool 14 has a knob portion 27 projecting outward from the body portion 15, a user (not shown) can grip the knob portion 27 for work. Therefore, the positioning device 14 is easy to handle.

The knob portion 27 has a knob end portion 28 at the tip facing outward, and the knob end portion 28 is aligned with the outer peripheral edge portion 3 of the detachable portion 2 on the same plane. With this configuration, when the user attaches and detaches the positioning device 14 to and from the joint portion 6, the user can easily attach the positioning device 14 by pressing the knob end portion 28, and it fits well. On the other hand, it can be easily removed by pinching the pick end 28 and pulling.

Next, a positioning device 214 according to a second embodiment of the present invention will be described with reference to the drawings.

The positioning tool 214 is attached to the joint part 6 to fill the gap between the detachable part 2 and the bearing part 12 of the support part 9, and is a molded product made of resin such as polyoxymethylene, for example. As shown in FIGS. 15 to 20, the positioning device 214 includes a disk-shaped main body 15, a passage 21 through which the rod-shaped portion 8 of the joint 6 is passed, and a rod-shaped portion passed through the passage 21. 8, two grooves 25 extending laterally from the gripping hole 24, and a hinge 26 formed in the main body 15 by the grooves 25. As shown in FIG. The passage portion 21 and the groove portion 25 are arranged at regular intervals in the circumferential direction of the body portion 15 and extend radially around the gripping hole 24 .

The height in the vertical direction of the body portion 15 , which is the length between the upper surface portion 17 and the lower surface portion 20 , corresponds to the distance between the lower surface of the detachable portion 2 and the upper surface of the bearing portion 12 . Edges between the outer surface portion 16 and the upper surface portion 17 and edges between the outer surface portion 16 and the lower surface portion 20 of the main body portion 15 are chamfered. The upper surface portion 17 of the body portion 15 has a flat upper surface portion 18 and a depressed portion 19 . The upper flat portion 18 has an annular shape following the shape of the main body portion 15 . The recessed portion 19 is recessed inside the upper flat portion 18 and formed in a funnel shape toward the center following the shape of the raised portion 4 of the attachment/detachment portion 2 . A lower surface portion 20 of the main body portion 15 is flat. The vertical thickness of the body portion 15 , which is the length between the upper flat portion 18 and the lower surface portion 20 , corresponds to the distance between the lower surface of the detachable portion 2 and the upper surface of the bearing portion 12 . The outer side surface portion 16 is partially open on the front surface, and a passage portion 21 is formed.

The passage portion 21 is formed in the body portion 15 from the outer side surface portion 16 toward the inside, and penetrates the body portion 15 in the vertical direction. The passage portion 21 has a wide portion 22 connected to the outer side portion 16 and a narrow portion 23 connected to the wide portion 22 and reaching the gripping hole 24 . The wide portion 22 is formed to be wider than the diameter of the rod-shaped portion 8 of the joint portion 6 and gradually narrows toward the narrow portion 23 . The width of the narrow portion 23 is formed narrower than the diameter of the rod-shaped portion 8 .

The gripping hole 24 extends vertically through the center of the body portion 15 and communicates with the passage portion 21 . The gripping hole 24 is cylindrical, and the diameter of the gripping hole 24 is formed to be the same as the diameter of the rod-shaped portion 8 of the joint portion 6 or slightly smaller than the diameter of the rod-shaped portion 8 . The groove portion 25 is formed by cutting the body portion 15 from the gripping hole 24 toward the side orthogonal to the vertical direction, which is the axial direction of the gripping hole 24 . The groove portion 25 vertically penetrates the body portion 15 . The width of the groove portion 25 is formed smaller than the diameter of the rod-shaped portion 8 . A portion of the body portion 15 at the side end of the groove portion 25 is formed thin by the groove portion 25 , and a hinge portion 26 is formed on a portion of the body portion 15 .

A positioning device 214 is formed as described above. Next, how to use the positioning device 214 will be described together with the action and effect of the positioning device 214. FIG.

As shown in FIGS. 1-4, the positioning device 214 is attached to and detached from the bar portion 8 of the articulation portion 6 . Specifically, the rod-shaped portion 8 is arranged in the wide portion 22 of the passage portion 21 in the positioning device 214 . Since the narrow portion 23 of the passage portion 21 is narrower than the diameter of the rod-shaped portion 8 , when the narrow portion 23 is pressed against the rod-shaped portion 8 , the hinge portion 26 of the positioning device 214 bends, and the narrow portion 23 is spread out. The rod-shaped portion 8 passes through the narrow portion 23 and is arranged in the gripping hole 24 . The hinge portion 26 is restored and the positioning device 214 is restored to its original state. The upper flat portion 18 of the positioning tool 214 contacts the lower surface of the detachable portion 2 , and the depressed portion 19 accommodates the raised portion 4 of the detachable portion 2 . The lower surface portion 20 of the positioning device 214 contacts the upper surface of the bearing portion 12 on the support portion 9 . The outer side surface portion 16 of the positioning tool 214 is arranged inside the outer peripheral edge portion 3 of the detachable portion 2 .

The detachable part 2 of the fixer 1 can be oriented in any direction with respect to the support part 9 by the spherical shaft part 7 of the joint part 6. Since the positioning tool 214 is sandwiched between the detachable portion 2 and the bearing portion 12 of the support portion 9, the joint portion 6 ceases to function. If the attachment/detachment part 2 is horizontal, the camera will also be horizontal. If the camera does not need to be leveled, the positioning device 214 can be removed from the bar 8 so that the articulation 6 can resume its function and can be adjusted to any orientation with respect to the support 9 .

The positioning tool 214 is made of resin, and has two grooves 25 extending sideways from the gripping holes 24 arranged at equal intervals. A hinge portion 26 is formed in the body portion 15 by forming the hinge portion 25 thin. With this configuration, the body portion 15 lacks the thickness corresponding to the groove portion 25, and is easily elastically deformed. Since the two grooves 25 are evenly arranged, the main body 15 is elastically deformed uniformly. Therefore, the positioning tool 214 can be easily attached to and detached from the rod-like portion 8 by elastically deforming the body portion 15 .

Since the body portion 15 is disk-shaped, the positioning tool 214 fits well when attached to the fixer 1 , and the outer side surface portion 16 of the positioning tool 214 is located inside the outer peripheral edge portion 3 of the attaching/detaching portion 2 . Since it is arranged, it is easy to handle.

It should be noted that other embodiments of the present invention have a knob portion but do not have a knob end.
Other embodiments do not have knobs. Other embodiments have one or more grooves.
In another embodiment, the intervals between the grooves may be uneven as long as the elastic deformation is easy.
Other embodiments may not have grooves as long as they are easily elastically deformable.
In other embodiments, the outer surface of the positioning device is aligned with or outboard of the outer perimeter of the detachable portion.
In other embodiments, the shape of the body portion is arbitrary. For example, the shape of the main body is elliptical or polygonal.
In other embodiments, the shape of the body portion is arbitrary following the shape of the detachable portion.
In other embodiments, the position of the gripping hole is offset from the center of the body.
Other embodiments do not have recesses. In this case, it is compatible with a detachable part that does not have a protuberance.

Although the embodiments of the present invention have been described in detail above, the present invention is not limited to the above embodiments. Various design changes can be made to the present invention without departing from the scope of the claims of the utility model registration.

1 Fixer (camera hanging device)
2 Detachable part 3 Peripheral edge part 4 Protuberant part 5 Connecting part 6 Joint part 7 Shaft part 8 Rod-shaped part 9 Support part 10 Base part 11 Support body part 12 Bearing part 13 Adjusting lever 14, 214 Positioning device (positioning device for camera suspension device) equipment)
15 main body 16 outer surface 17 upper surface 18 flat upper surface 19 depressed portion 20 lower surface 21 passage 22 wide portion 23 narrow portion 24 gripping hole 25 groove 26 hinge 27 knob 28 knob end 29 cylindrical portion 30 lower end Part 31 Flange part 32 Upper end part

Claims (6)

A rod-shaped portion of a camera suspension device having an attachment/detachment portion to which a camera is attached and detached, and a support portion connected to the attachment/detachment portion via a joint to suspend the camera, and a shaft connected to the rod-shaped part and connected to the support part.
a body portion attached to the rod-shaped portion from the side;
a flange portion projecting in a direction orthogonal to the main body portion from an end portion of the main body portion on the side of the supporting portion and abutted against a tip end of the supporting portion;
A positioning device for a camera hanging device, characterized by: having a knob projecting laterally from the outer surface of the main body,
A positioning device for a camera suspension device according to claim 1, characterized in that: The knob portion has a knob end portion flush with an outer edge of the detachable portion at an outward tip,
3. A positioning device for a camera suspension device according to claim 2, characterized in that: The main body is
formed in a cylindrical shape along the longitudinal direction of the rod-shaped portion,
A passage portion through which the rod-shaped portion passes is formed from the outer surface portion of the main body portion toward the inside,
a gripping hole in which the rod-shaped portion is arranged is formed inside the body portion and communicates with the passage portion;
4. The positioning device for a camera suspension device according to any one of claims 1 to 3, characterized in that: The body portion has a height corresponding to the distance between the detachable portion and the tip of the support portion,
A positioning device for a camera suspension device according to claim 1, characterized in that: The main body is disc-shaped,
A passage portion through which the rod-shaped portion passes is formed from the outer surface portion of the main body portion toward the inside,
a gripping hole in which the rod-shaped portion is disposed inside the body portion and which communicates with the passage portion is formed in the center of the body portion;
A groove is formed from the gripping hole in a direction perpendicular to the axial direction of the gripping hole,
The passage portion and the two groove portions are arranged at equal intervals and radially extend around the gripping hole,
6. A positioning device for a camera suspension device according to claim 5, characterized in that:

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