JPS6114792Y2 - - Google Patents

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a stand for fixing a camera on a tripod, that is, a pan head.

[Conventional technology]

A conventional camera head has a configuration that combines a universal joint that can freely rotate in a horizontal plane and a universal joint that can freely rotate in a vertical plane, and allows the camera to be set in the direction of an arbitrary subject. Ta.
Moreover, the two universal joints had to be fixed by screwing one operating handle.

[Problem that the invention attempts to solve]

Therefore, the combination structure of the universal joint becomes complicated,
Moreover, the number of parts had to be increased. Furthermore,
Since each of these parts is dependent on machining using a machine tool, there are drawbacks such as high manufacturing costs, increased assembly man-hours, and an increase in overall size and weight. Furthermore, there was also a functional drawback in that the range of camera angle settings was narrow. For this reason, it is not practical because it imposes a heavy burden on people who have to move when taking photographs or when transporting equipment to the photographing location, and the photographing range of the subject is limited.

[Purpose of invention]

The present invention has been developed to improve and eliminate the above-mentioned problems of conventional pan heads, and allows for easy and quick movement of the camera in any direction (setting of camera angle) with a single universal joint. It is an object of the present invention to provide a compact pan head that is lightweight and excellent in size reduction, allowing a wide range of camera angles to be set.

[Means for solving problems]

The means of the present invention for solving the above problems are as follows:
a base that is fixedly supported on a part of the outer peripheral surface of the lower side of the sphere and can be freely attached to the base of the tripod; an upper outer shell member that is provided with a recess that fits into the upper outer peripheral surface of the sphere; and the base. A lower outer shell member with a fitting hole that passes through and fits into the lower outer peripheral surface of the sphere, and a screw that fits into a dovetail provided on the upper surface of the upper outer shell member and screws into a screw hole for mounting a camera. The fixing means includes a camera seat provided with a member, and a fixing means provided with a push piece that is attached to the tip of a threaded member of the handle via a joint ball and projects into a spherical recess of an upper outer shell member.

[Effect]

As is clear from the embodiments shown in FIGS. 1 to 6, by rotating the handle 16, the push piece 15 is
can be moved forward and backward relative to the outer circumferential surface 4a of the sphere 4, and the upper and lower outer shell members 5 and 6 are fixed at any position on the sphere 4 by bringing them into surface contact with the outer circumferential surface 4a of the sphere 4 as necessary. can do. That is, even with one universal joint, the camera 25 attached to the camera sheet 7 can be directed straightly and instantaneously toward the intended subject. Further, the postures that the upper and lower outer shell members 5 and 6 can take with respect to the sphere 4 are as follows. The camera angle can be set over a wide range of angles.

The configuration of the present invention will be explained below based on the embodiments shown in the drawings.

〔Example〕

As shown in the drawings, the pan head A of the present invention includes a base 3 fixed to the bed 2 of a tripod 1, a sphere 4 fixedly supported by the base 3, and fitted to the outer peripheral surface of the sphere 4.
Upper and lower outer shell members 5 and 6 are fixed to the upper and lower shell members 5 and 6 as necessary, a camera sheet 7 is attached to the upper shell member 5 in a dovetail fitting manner, and a fixing member is attached to the upper shell member 5. It is composed of means 13. Among these, at least the members 3 to 7
is formed by molding a polymer compound such as plastic, or by die-gas casting.

When the base 3 is molded from a polymer compound, a reinforcing core bar 8 is buried inside the base 3 as shown in FIG. A portion of the lower outer peripheral surface of the sphere 4 is fixedly supported. In this case, the base 3 and the sphere 4 are integrally molded. The outer peripheral surface 4a of the sphere 4 is finished with a satin finish. A screw member 9 is attached to the metal core 8 and embedded in the base 3 so as to protrude from below the bottom surface of the base 3. The base 3 is fixed to the bed 2 of the tripod 1 via this screw member 9.

The upper outer shell member 5 has a spherical recess (inner peripheral wall) 10 that fits into the outer peripheral surface 4a of the sphere 4, as shown in FIGS. 2 and 3, and the lower end of the recess 10 It is located on the equator of the sphere 4. Further, the lower outer shell member 6 has a donut shape when viewed from above,
The center portion thereof has a fitting hole 11 that passes through the base 3 and has a spherical surface portion (fitting hole wall) that fits into the outer circumferential surface 4a of the spherical body 4. Similar to the lower end of the recess 10, the upper end of this fitting hole 11 is connected to the spherical body 4 in the state shown in the figure.
It is located on the equator. That is, the abutting end surfaces of the upper and lower outer shell members 5 and 6 are located on the equator of the sphere 4. Therefore, the upper and lower outer shell members 5 and 6 are screwed together via the circumferential screw portion 12 provided on the sides of the abutting end surfaces of these members, so that more than half of the sphere 4 can be screwed together. It will be held in place and supported in a rotatable manner. That is, it constitutes a universal joint (ball joint) using the sphere 4.

In the figure, reference numeral 13 denotes fixing means provided on the upper outer shell member 5 in order to fix the upper and lower outer shell members 5 and 6 at arbitrary positions on the sphere 4. Fixing means 1
3 is a screw member 14 that is screwed into the upper outer shell member 5;
It consists of a push piece 15 that moves forward and backward with respect to the sphere 4 by the screw member 14, and a handle 16 for rotating the screw member 14. The handle 16 is restrained from moving relative to the screw member 14 by a lock pin 17, and the rotation of the screw member 14 is prevented from being transmitted to the pusher piece 15 by the joint ball 18. Therefore, by rotating the handle 16, the push piece 15 can be moved forward and backward with respect to the outer circumferential surface 4a of the sphere 4, and if necessary, it can be brought into surface contact with the outer circumferential surface 4a of the sphere 4, and Shell member 5
and 6 can be fixed at any position on the sphere 4. The contact surface 15a of the push piece 15 is provided with a sphere 4.
The outer peripheral surface 4a has a satin finish similar to that of the outer peripheral surface 4a.
Care is taken to increase the mutual contact resistance so that complete fixation of the sphere 4 and the upper and lower outer shell members 5 and 6 can be obtained.

19 is a dovetail foot provided on the upper surface of the upper outer shell member 5. This dovetail leg 19 has different widths at both ends, as is clear from the dovetail groove 20 (see FIG. 5) that fits into the dovetail leg 19. Reference numeral 21 denotes a stopper for the camera sheet 7 that is pivotally attached to the narrow end face side of the dovetail leg 19. As shown in FIGS. 4 and 5, the camera sheet 7 has a dovetail groove 20 on the bottom surface that fits into the dovetail foot 19, and a screw member 22 on the top surface for attaching and removing the camera case as shown in FIG. Screw hole 2 provided in
3 has a screw member 24 that is screwed into the screw member 3. Then, this camera sheet 7 is attached to the upper outer shell member 5 by dovetail fitting.
It is attached to the upper surface of and fixed thereto by a retainer 21.

Next, how the pan head A configured as described above is used will be explained.

The pan head A is used by fixing the base 3 to the bed 2 of the tripod 1 via a screw member 9, and fixing the camera 25 onto the camera sheet 7 via the screw members 22 and 24. The camera 25 may be fixed by directly screwing the screw member 24 into the screw hole of the camera 25, or the camera 25 may be fixed in a dark place.
5 to the camera sheet 7, and then attaching the camera sheet 7 to the upper shell member 5 by dovetail fitting, it is easy to attach and detach the camera sheet 7. When it is desired to point the camera 25 in the direction of the intended subject, the handle 16 of the fixing means 13 is rotated to move the pusher piece 15 backward, and the contact surface 15a of the pusher piece 15 is aligned with the outer peripheral surface of the sphere.
If it is separated from a, the upper and lower outer shell members 5 and 6
is released, and the upper and lower outer shell members 5 and 6 can be freely rotated in any direction relative to the sphere 4. That is, the camera 25 fixedly mounted on the camera sheet 7 can be directed toward the desired subject. After that, in this position, the handle 16 is rotated in the opposite direction and the pusher piece 15 is advanced and the sphere 4 is brought into pressure contact with the pusher piece 15.
The sphere 4 can be held between the upper and lower outer shell members 5 and 6 on the opposite side from the pressing piece 15, and the upper and lower outer shell members 5 and 6 are fixed to the sphere 4. be able to.

In this way, since the pan head A is configured to change the direction of the camera 25 with one universal joint using the sphere 4, the camera 25 can be directed straightly and instantaneously toward the desired subject. It can be turned with a smooth motion and is extremely easy to operate. Further, the postures that the upper and lower outer shell members 5 and 6 can take with respect to the sphere 4 are possible until a part of the lower outer shell member 6 comes into contact with the sphere support part of the base 3, and therefore the camera angle is In the range of approximately 300 degrees in the condition shown in Figure 2, and in the range of Figures 1, 3, and 6.
In the state shown in the figure, it is possible to set the angle within a range of approximately 340 degrees. Furthermore, when the main component of the pan head A is made of a polymer compound, its weight can be significantly reduced compared to the conventional case made of metal, making it easy to move from one shooting location to another. Even if the tripod 1 is moved with the pan head 1 attached, it does not become a burden. Furthermore, the pan head A includes a base 3, a sphere 4, and upper and lower outer shell members 5 and 6.
It is convenient because it can be stored separately from the camera seat 7 and the camera seat 7.

In the above-mentioned embodiment, the push piece 15 was used as a means for fixing the upper and lower outer shell members 5 and 6 to the sphere 4, but the upper and lower outer shell members 5 and 6 It is also possible to provide a groove (not shown) in one or both of the two, and to fix the groove by tightening the groove with a screw or the like via a lever.

[Effect of idea]

As explained above, in the present invention, a sphere is fixedly supported on a base that can be attached to the base of a tripod, and the upper part of the outer shell member, which is divided into upper and lower halves, fits on the outer peripheral surface of the sphere. Since the camera sheet is detachably attached to the outer shell member and the pan head is configured with one universal joint, it is possible to provide a compact pan head that is lightweight and compact. Furthermore, since one universal joint is used, moving the camera in any direction (setting the camera angle) is easy and quick. In addition, almost the entire circumference of the sphere can be used, allowing a wide range of camera angles to be set. Furthermore, the upper and lower outer shell members can be fixed to the sphere by rotating one handle to move the push piece forward and backward toward the sphere, and the sphere will not be damaged when setting the camera angle. Furthermore, the camera can be fixed by removing the camera sheet from the upper shell member, fixing the camera to the camera seat, and then fitting the camera sheet into the dovetails of the upper shell member. In this case, It has many advantages, such as being easy to operate even in the dark.

[Brief explanation of the drawing]

The drawings are all related to the present invention and are
The figure is a side view showing the relationship between the tripod, base and sphere,
Figure 2 is a front view of the pan head, Figure 3 is a partial cross-sectional side view of the pan head, Figure 4 is a side view of the camera seat, Figure 5 is a bottom view of the camera seat, and Figure 6 is the pan head. FIG. 3 is a side view showing a state in which a camera is attached. 4...Sphere, 1...Tripod, 2...Bed, 3...
... Base, 10 ... Spherical recess, 11 ... Fitting hole, 5
...Upper outer shell member, 6...Lower outer shell member, 19...
...Dovetail foot, 24...Screw member, 7...Camera sheet, 16...Handle, 14...Screw member, 18
... joint ball, 15 ... push piece, 13 ... fixing means.

Claims (1)

[Scope of utility model registration request] It is fixedly supported on a part of the outer peripheral surface of the lower side of the sphere,
a base that can be freely attached to the base of the tripod; an upper outer shell member that has a recess that fits into the upper outer peripheral surface of the sphere;
A lower outer shell member having a fitting hole that passes through the base and fits into the lower outer peripheral surface of the sphere, and a dovetail foot provided on the upper surface of the upper outer shell member, and a screw hole for mounting the camera. The camera seat is comprised of a camera seat equipped with a screw member to be screwed together, and a fixing means equipped with a pusher piece that is attached to the tip of the screw member of the handle via a joint ball and projects into the spherical recess of the upper outer shell member. Features a pan head.