JP2012093501A - Universal head - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a universal head capable of changing three leg bodies of a tripod in a desired state.SOLUTION: A universal head 20 includes a universal head body 25 having a notch 23. The universal head body 25 includes a first operation body 26, a second operation body 27, and a support body 28. The support body 28 includes: a ball section 31 held by the universal head body 25, a support section 32 on which a camera is mounted, and a connecting section 33 for connecting the ball section 31 and the support section 32. The three leg bodies of the tripod 21 can be positioned between the first operation body 26 and the second operation body 27, between the second operation body 27 and the support body 28, and between the support body 28 and the first operation body 26.

Description

  The present invention relates to a free pan head used by attaching to a tripod.

  Conventionally, for example, a free pan head described in Non-Patent Document 1 and a free pan head as shown in FIGS. 11 and 12 are known.

  This free pan head includes a pan head body 2 having a notch 1, a pan lock first operating body 3 provided on the pan head body 2, and a ball lock second head provided on the pan head body 2. The operating body 4, the ball part 5 rotatably held by the pan head main body 2, the support part 6 to which an attached object (for example, a camera or a video camera) is attached, and the ball part 5 and the support part 6 are connected. And a support 8 having a shaft-like connecting portion 7. Moreover, the notch part 1, the 1st operation body 3, and the 2nd operation body 4 of the pan head main body 2 are arrange | positioned at intervals of 60 degree | times, 120 degree | times, and 180 degree | times, respectively, for example in the circumferential direction.

[online], Horsbenne, [October 21, 2010 search], Internet <URL: http://horusbennu.pr1.prshop.com/product/product_view.html?product_id=1816>

  However, in the conventional free pan head, for example, when the tripod 10 is carried, if the leg 11 of the tripod 10 is folded, the leg 11 interferes with the first operating body 3 and the second operating body 4. There is a problem that folding of the body 11 becomes insufficient and the leg 11 cannot be brought into a desired state.

  This invention is made in view of such a point, and it aims at providing the free pan head which can make the three legs of a tripod into a desired state.

  A free pan head according to claim 1 is attached to a tripod and has a pan head main body having a notch, a first operating body provided on the pan head main body, and a second operating body provided on the pan head main body. And a support unit having a ball part rotatably held by the head unit, a support part to which an attachment object is attached, and a connecting part that connects the ball part and the support part. When the main body is attached to the tripod and the connecting portion is inserted into the notch, the three legs of the tripod are connected between the first operating body and the second operating body. It is possible to position between two operation bodies and the support body and between the support body and the first operation body.

  The free pan head according to claim 2 is the free pan head according to claim 1, wherein the notch portion of the pan head main body, the first operating body and the second operating body are arranged at equal intervals of 120 degrees in the circumferential direction. It is what.

  The free pan head according to claim 3 is the free pan head according to claim 1 or 2, wherein the pan head main body is provided with a base body attached to a tripod, and is provided rotatably on the base body in the horizontal direction. A pan rotating body that rotatably holds the ball portion of the body, and the first rotating body is fixed to and unlocked from the base body by the operation of the first operating body, and the second operating body is operated by the operation of the second operating body. The ball portion is fixed to and released from the pan rotating body.

  According to the present invention, when the pan head is attached to the tripod and the connecting portion is inserted into the notch, the three legs of the tripod are arranged between the first operating body and the second operating body. Since it can be located between the two operating bodies and the support body and between the support body and the first operating body, the three legs of the tripod can be in a desired state.

It is a side view of the free pan head which concerns on one embodiment of this invention. It is a perspective view of a free pan head same as the above. It is a perspective view of a free pan head same as the above. It is a perspective view of a free pan head same as the above. It is a top view of a free pan head same as the above. It is a perspective view which shows the use condition which attached the free pan head same as the above to the tripod. It is a perspective view which shows the non-use state which made the leg of the tripod same as the above in the vertical state. It is a side view which shows the non-use state which made the leg of the tripod same as the above in the vertical state. It is a top view which shows the non-use state which made the leg of the tripod same as the above into the perpendicular state. It is a perspective view which shows the middle of folding of the leg of a tripod same as the above. It is a top view which shows the non-use state in the case of using the conventional free pan head. It is a side view which shows the non-use state at the time of using the conventional free pan head same as the above.

  An embodiment of the present invention will be described with reference to FIGS.

  In the figure, reference numeral 20 denotes a free pan head. The free pan head 20 supports, for example, an optical device that is an attached object, that is, a camera (not shown), for example, and is attached to a tripod 21 that is a leg device. To do.

  As shown in FIGS. 1 to 5, the free pan head 20 includes a pan head body 25 having a notch 23 that is detachably attached to an upper end portion of a tripod 21, and a horizontal outer side on the pan head body 25. A first operating body 26 provided so as to protrude toward the head, and a second operation provided on the pan head body 25 so as to protrude outward in a horizontal direction different from the protruding direction of the first operating body 26. The body 27, the spherical ball portion 31 held rotatably by the pan head body 25, the plate-like support portion 32 to which the camera is detachably attached, and the ball portion 31 and the support portion 32 are connected. And a support 28 having a connecting portion 33 having a round shaft shape.

  Further, as shown in FIG. 5, the first operating body 26 is provided, for example, by a pan-lock knob so as to be rotatable about a first rotation center axis a that is horizontal to the pan head body 25. The second operating body 27 is, for example, a ball lock knob, and is provided so as to be rotatable about a second rotation center axis b that is horizontal to the pan head body 25. Further, the ball portion 31 is rotated with respect to the pan head body 25 so that the support portion 32 of the support body 28 is in a vertical state (camera vertical position state) along the vertical direction, so that the connecting portion 33 is notched. When inserted into 23, the central axis c passing through the axis of the connecting portion 33 having a round shaft shape is in a horizontal state along the horizontal direction.

  In this state, the first rotation center axis a of the first operation body 26, the second rotation center axis b of the second operation body 27, and the center axis c of the support body 28 are balls in plan view. It extends radially from the center point P of the portion 31. An angle α1 formed by the first rotation center axis a and the second rotation center axis b, an angle α2 formed by the second rotation center axis b and the center axis c, and the center axis c and the first rotation center. The angle α3 formed by the axis a is 120 degrees in all cases.

  In other words, the notch 23, the first operating body 26, and the second operating body 27 of the pan head main body 25 are arranged in a circumferential direction (circumferential direction) around the center point P of the ball portion 31 of the support 28 in plan view. ) Are arranged at equal intervals of 120 degrees (including approximately 120 degrees). Therefore, the leg of the tripod 21 is provided between the first operating body 26 and the second operating body 27, between the second operating body 27 and the support body 28, and between the support body 28 and the first operating body 26. There are space portions (intervals) 30 that can be inserted into the body 22. That is, the size of each space portion 30 is larger than the cross-sectional area of one leg body 22, and the leg body 22 enters the space section 30 when the leg body 22 is folded.

  The height positions of the first rotation center axis a, the second rotation center axis b, and the center axis c are not the same, but are different from each other, and the second rotation center axis b is the first rotation center axis. The center axis line c is positioned above the second rotation center axis line b.

  Here, the pan head main body 25 is a disc-shaped base body 41 that is detachably attached to the upper end of the tripod 21, and is mounted on the base body 41 so as to be rotatable in the horizontal direction (left-right direction). A cylindrical pan rotating body 42 that holds the ball portion 31 of the support 28 so as to be rotatable in an arbitrary direction is provided. The pan rotation body 42 is provided on the base body 41 so as to be rotatable about a center point P of the ball portion 31, that is, a rotation center axis X in the vertical direction passing through the center of the camera platform body 25.

  Then, the panning body 42 is fixed and released from the base body 41 by the turning operation about the first turning center axis a of the first operating body 26, and the second turning of the second operating body 27 is performed. The ball portion 31 is fixed and released from the pan rotating body 42 by a rotation operation about the central axis b.

  A screw hole portion 43 that is screwed with a screw shaft portion (not shown) at the upper end portion of the tripod 21 is formed at the center portion of the base body 41.

  A substantially cylindrical ball holding portion 44 that holds the ball portion 31 of the support 28 so as to be rotatable in an arbitrary direction is formed on the upper portion of the pan rotating body 42. The ball holding portion 44 is formed with a notch 23 that opens upward, and the connecting portion 33 of the support 28 is removably inserted into the notch 23. A portion of the pan rotating body 42 that faces the lower end of the notch 23 is formed with an arcuate contact receiving portion 45 that positions the connecting portion 33 in a horizontal state by contacting the connecting portion 33.

  Further, the first operating body holding portion 47 protrudes outward from the outer peripheral surface of the main body portion 46 of the pan rotating body 42, and the first operating body 26 is moved to the first rotation center by the first operating body holding portion 47. It is held so as to be rotatable about the axis a. The first operation body 26 includes a horizontal shaft portion 48 that is rotatably held by a first operation body holding portion 47, and a knob portion 49 that is fixed to the shaft portion 48 and is picked by a finger with an operator. Have. The knob 49 is formed in a cylindrical shape centered on the first rotation center axis a.

  When the operator picks the knob 49 and rotates the first operating body 26 in one direction (tightening direction) with respect to the pan rotating body 42, the pan rotating body 42 is fixed to the base body 41. The When the operator picks the knob 49 and rotates the first operating body 26 in the other direction (tightening release direction) with respect to the pan rotating body 42, the fixing of the pan rotating body 42 to the base body 41 is released. Is done. When releasing the fixation, the operator can change and adjust the orientation of the camera on the support 28 by rotating the pan rotating body 42 with respect to the base body 41.

  Further, the second operating body holding portion 51 protrudes outward from the outer peripheral surface of the main body portion 46 of the pan rotating body 42, and the second operating body 27 is moved to the second rotation center by the second operating body holding portion 51. It is held so as to be rotatable about the axis b. The second operating body 27 includes a horizontal shaft portion 52 that is rotatably held by the second operating body holding portion 51, and a knob portion 53 that is fixed to the shaft portion 52 and is picked by a finger with an operator. Have. The knob 53 is formed in a cylindrical shape centered on the second rotation center axis b. The outer diameter of the knob 53 of the second operating body 27 is larger than the outer diameter of the knob 49 of the first operating body 26, for example, at least twice as large.

  Then, when the operator picks the knob 53 and rotates the second operating body 27 in one direction (tightening direction) with respect to the pan rotating body 42, the ball portion 31 of the support 28 is moved to the pan rotating body 42. It is fixed with respect to the ball holding part 44. Further, when the operator picks the knob 53 and rotates the second operating body 27 in the other direction (tightening release direction) with respect to the pan rotating body 42, the fixing of the ball part 31 to the ball holding part 44 is released. Is done. At the time of releasing the fixation, the operator can change and adjust the orientation of the camera on the support 28 by rotating the support 28 with respect to the pan rotating body 42.

  Further, the support 28 is constituted by, for example, a ball part 31, a connecting part 33, and a support part 32. The support portion 32 includes a support body member 55 to which a quick shoe (not shown) is detachably attached, and an operation lever that is rotatably attached to the support body member 55 and fixes and unfixes the quick shoe to the support body member 55. Member 56.

  The support main body member 55 has a substantially rectangular plate-like support plate portion 57, and upright plate portions 58 are erected on three sides of the support plate portion 57. On both ends in the width direction of the lower surface of the support plate portion 57, inclined surfaces 59 are formed along the moving direction of the leg body 22 when the leg body 22 is folded (when the leg body 22 is in the upward vertical state). Note that the upper surface of the support plate portion 57 is a flat support surface 32a that supports the camera via a quick shoe.

  On the other hand, as shown in FIGS. 6 to 10 and the like, the tripod 21 is extendable and retractable so as to be pivotable in the vertical direction around the base 61 and the base 61 in the horizontal direction. Three round rod-like legs 22 having the same configuration, and one support rod 62 in the form of a stretchable round bar fixed to the central portion of the base body 61 and projecting upward from the central portion. ing.

  The base body 61 has three leg attachment parts 63 arranged at equal intervals of 120 degrees in the circumferential direction, and the base end part of the leg body 22 is attached to each leg attachment part 63 so as to be rotatable. Thus, the tip of the leg 22 is a free end.

  The leg 22 can be rotated 180 degrees with respect to the leg attachment portion 63 of the base 61, and can be selectively set in an upward vertical state, a downward vertical state, and a downward inclined state.

  That is, for example, in the downward inclined state when the tripod is used as shown in FIG. 6, the three legs 22 protrude outwardly and obliquely downward from the leg attachment portion 63 of the base 61, and the set inclination angle with respect to the vertical direction. It is located along the direction of tilting. However, in the upward vertical state when the tripod is not used (for example, when it is carried) as shown in FIG. 7 and the like, in order to make the tripod 21 compact, the three legs 22 are separated from the leg attachment portion 63 of the base 61. It protrudes upward and is located along the vertical direction (including the substantially vertical direction). Note that the inclination angle of the downwardly inclined state of the leg 22 can be changed by, for example, an operation of an operation setting unit (not shown).

  The lower end portion of the support rod 62 is fixed to the center portion of the base 61, and the screw shaft portion (not shown) of the upper end portion is screwed into the screw hole portion 43 of the base body 41 of the free pan head 20. Yes. That is, the pan head body 25 of the free pan head 20 is detachably attached to the upper end portion of the support rod 62 of the tripod 21. The length dimension of the support bar 62 in the minimum contracted state is shorter than the length dimension of the leg body 22 in the minimum contracted state. The free pan head 20 and the tripod 21 constitute a tripod 19 with a pan head.

  Next, the operation and the like of the tripod 19 with a pan head will be described.

  When the subject is photographed with a camera or the like using the tripod 19 with a pan head, as shown in FIG. 6, the three legs 22 of the tripod 21 are set to be inclined downward, and the tripod 21 The camera is attached to the support part 32 of the free pan head 20 attached to the upper end part of the support bar 62.

  The operator (user) who is a photographer takes a picture of the subject while adjusting the direction of the camera by rotating the pan rotating body 42 relative to the base body 41 and rotating the support 28 relative to the pan rotating body 42. Do.

  When the camera is removed from the support portion 32 of the free pan head 20 after the photographing is completed and the tripod 19 with the pan head is made into a compact state suitable for carrying, the tripod 21 3 is mounted as shown in FIGS. The leg 22 of the book is folded upward so as to be parallel to the support bar 62, and all the three legs 22 are set in the upward vertical state (folding non-use state) which is a desired state.

  That is, for example, the operator first releases the fixation of the ball part 31 with respect to the pan rotating body 42 by operating the second operating body 27 and then rotates the ball part 31 with respect to the pan rotating body 42. The connecting portion 33 is inserted into the cutout portion 23 from above to bring the support portion 32 into a vertical state in which the support surface 32a is located along the vertical surface.

  Thereafter, the operator inserts each leg 22 into each space 30 by rotating the three legs 22 toward the space 30 with respect to the base 61 as shown in FIG.

  Then, the three legs 22 of the tripod 21 are all in the upward vertical state shown in FIGS. 7 to 9, and the four rod-shaped members including the support bar 62 are in a parallel state in which they are close to each other. At this time, as is apparent from FIG. 8, the upper end 28 a of the support 28 of the free pan head 20 is located below the upper end 22 a of the leg 22.

  When the three legs 22 of the tripod 21 are all folded up to the vertical state in this way, the tripod 21 becomes compact.

  According to such a free pan head 20, the base body 41 of the pan head body 25 is attached to the upper end portion of the tripod 21, and the connecting portion 33 of the support body 28 is inserted into the notch portion 23 of the pan rotating body 42. In this state, the three legs 22 of the tripod 21 are connected to the space 30 between the first operating body 26 and the second operating body 27, and the support section 32 of the second operating body 27 and the support body 28. Since these can be positioned by being inserted into the space portion 30 between them and the space portion 30 between the support portion 32 of the support body 28 and the first operating body 26, these three legs 22 are vertically directed upward. Therefore, the tripod 21 can be made compact, for example, the tripod 19 with a pan head can be easily carried.

  Further, since the notch 23, the first operating body 26, and the second operating body 27 of the camera platform body 25 are arranged at equal intervals of 120 degrees in the circumferential direction around the ball portion 31 in plan view, 3 Not only can the leg 22 of the book be appropriately upwardly oriented vertically, but also the first operating body 26 and the second operating body 27 can be easily operated, and the weight balance is good.

  The attached object supported by the free pan head 20 is not limited to a camera or a video camera, and may be, for example, a measuring device or an inspection device.

  Further, for example, the pan head body 25 has a plurality of notches 23, and one of the notches 23, the first operating body 26, and the second operating body 27 are arranged at intervals of 120 degrees in the circumferential direction, etc. But you can.

  The notch 23, the first operating body 26, and the second operating body 27 are not limited to the configuration in which the notch 23, the first operating body 26, and the second operating body 27 are arranged at intervals of 120 degrees in the circumferential direction. Any configuration may be used.

20 Free pan head
21 Tripod
22 legs
23 Notch
25 head
26 First operation body
27 Second control body
28 Support
31 Ball
32 Support
33 Connection
41 Base body
42 Pan rotating body

Claims (3)

A pan head attached to a tripod and having a notch,
A first operating body provided on the pan head body;
A second operating body provided on the pan head body;
A ball part rotatably held in the pan head body, a support part to which an attachment object is attached, and a support body having a connecting part that connects the ball part and the support part;
When the pan head is attached to the tripod and the connecting portion is inserted into the notch, the three legs of the tripod are connected between the first operating body and the second operating body. The free pan head can be located between the second operation body and the support body and between the support body and the first operation body. The free pan head according to claim 1, wherein the notch portion of the pan head body, the first operating body, and the second operating body are arranged at equal intervals of 120 degrees in the circumferential direction. The pan head is
A base body attached to a tripod;
The base body is provided so as to be rotatable in the horizontal direction, and has a pan rotating body that rotatably holds the ball portion of the support body,
By the operation of the first operating body, the pan rotating body is fixed and released from the base body,
The free pan head according to claim 1 or 2, wherein the ball unit is fixed and released from the pan rotating body by an operation of a second operating body.

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