JPH0614691U - Tripod head with one-touch mounting plate - Google Patents

Abstract

(57) [Summary] [Purpose] To provide a tripod platform with a one-touch mounting plate that can be quickly attached / detached to / from a camera mounting block. [Structure] On the upper surface of the camera mount block 12 of the platform, a dovetail groove 24 is formed in which a notch portion 28 is formed at a part of one groove edge. A sliding rib 31 that engages with the dovetail groove 24 slidably in the groove direction is formed on the bottom surface of the one-touch mounting plate 30 provided with a mounting screw 36 for fixing the camera.
A slide bayonet mechanism is formed by cutting out a part of the notch 32 corresponding to the notch 28 of the dovetail groove 24. Fastening screw 3 protruding from the bottom surface of the dovetail groove 24 on the bottom surface of the camera mounting block 12
7 is pivotally provided to constitute a fastening release means for the one-touch mounting plate.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to improvement of a tripod head that is used by attaching it to a tripod for a camera, and particularly to a tripod platform with a one-touch mounting plate that has excellent operability when attaching and detaching the camera.

[0002]

[Prior art]

 Various tripod heads are used as a structure that is fixed to the top of a camera tripod and stably holds the camera at a predetermined angle. A camera attachment / detachment attachment as shown in FIG. 5 is conventionally known as a structure for easily attaching / detaching the camera to / from the platform. That is, this type of camera attachment / detachment attachment 50 has a fixed plate 53 fastened to the camera mount plate 51 of the platform with bolts 52 and locking edges 55, 56 of a dovetail structure on the upper surface of the movable plate 54. At the same time, the movable plate 53 is tightened with the screw 57 in the direction of narrowing the groove width with respect to the fixed plate 54, and the engaging edges 55 and 56 are engaged with the bottom surface of the mounting plate 59 fixed to the camera 58. It has a structure in which the sliding ribs 60, 60 to be fitted are formed.

[0003]

[Problems to be solved by the device]

 However, in the above configuration, when replacing the mounting plate 59 to which the camera 58 is mounted, the screw 57 must be loosened and re-tightened each time it is mounted from the surface side, which is very troublesome. Therefore, when the sliding ribs 60, 60 of the mounting plate 59 are inserted into both the locking edges 55, 56 of the dovetail groove structure from the side, not only is there a problem that it becomes difficult to perform alignment and insertion from the groove end, but also the end direction There was a defect that the camera etc. was damaged because it fell out.

The present invention has been made in view of the above problems, and can be quickly attached / detached to / from a camera mounting block with one touch, and is excellent in operability such as not being accidentally pulled out. The purpose is to provide a tripod platform with a new structure and a one-touch mounting plate.

[0005]

[Means for Solving the Problems]

 The tripod platform with the one-touch mounting plate according to the present invention enables the camera mounting block to be adjusted in the swivel angle and the tilt angle with respect to the support block having the screw fixing means fixed to the tripod platform receiver on the bottom. In the pivoting platform, a dovetail groove is formed on the upper surface of the camera mounting block with a notch formed in a part of one groove edge, and the above-mentioned is formed on the bottom surface of the one-touch mounting plate provided with a camera mounting means. Forming a slide rib that engages with the dovetail groove so as to be slidable in the groove direction, and constructing a slide bayonet mechanism in which a part of the slide rib is notched corresponding to the notch part of the dovetail groove so as to be removable. The gist is that the one-touch mounting plate is released from the bottom surface of the dovetail groove on the bottom surface of the camera mounting block by means of a fastening screw to release the one-touch mounting plate. Further, it is preferable to configure a collision structure in which one end of the dovetail groove collides with the one-touch mounting plate at the sliding limit position and stops sliding.

[0006]

[Action]

 In the above structure, the one-touch mounting plate can be attached to and detached from the surface side of the camera mounting block by the slide bayonet mechanism. That is, by sliding the one-touch mounting plate into the dovetail groove from the state where the one-touch mounting plate not-cut sliding rib is engaged with one edge of the dovetail groove, the opposite sliding rib is notched. Can be inserted into the dovetail so as to intersect with the notch of the dovetail. Next, the one-touch mounting plate can be engaged by sliding in the groove direction, the fixing screw can be projected from the groove surface, and the one-touch mounting plate can be pressed to completely fix it.

[0007]

【Example】

 An embodiment of a tripod platform with a one-touch mounting plate according to the present invention will be described below with reference to FIGS. Reference numeral 1 is a main body block of the platform, and a hemispherical journal bearing 2 formed at the central axis CL position on the bottom surface of the main body block 1 is formed with a slot 3 extending in the radial direction, and A bolt portion 5 of a fastening shaft that constitutes a swing turning fastening handle 4 is screwed between opposite end portions, and the slit 3 is expanded and contracted. Into the journal bearing 2, a spherical journal projection 7 projecting at the central axis position on the upper surface side of the disk-shaped support block 6 is rotatably fitted, and is pivotally attached by a holding plate 8 so as not to prevent the rotation. It becomes. A tripod mounting female screw 9 is screwed on the center axis of the support block 6 on the bottom surface side, and a detent screw 10 that moves forward and backward toward the bottom surface is screwed into the support block 6.

Above the body block 1, one end of a rectangular plate-shaped camera mounting block 12 is rotatably pivoted in the vertical direction (arrow C) via a support shaft 11 that is horizontally installed at one end of the body block 1. The main body block 1 and the swing end of the camera mounting block 12 are connected to each other via a pantograph type angle adjusting mechanism 13. The pan tag rough type angle adjusting mechanism 13 is rotatably pivotally attached at one end thereof to a bearing projection 14 projecting at an end of the main body block 1 through a pin shaft 16 to a plurality of first series rods 15, 15. At the same time, one end of each of the plurality of second connecting rods 18, 18, ... Is pivotally attached to the bearing protrusion 17 protruding from the end portion of the camera mounting block 12 via the first fastening shaft 19, and both connecting rods 15 are connected. , 18 are connected to each other by a second fastening shaft 20. Further, in the present embodiment, the first series of rods 15, 15 ... And the second connecting rods 18, 18 ... Are constituted by a combination of two sheets on each side, a total of four sheets. The rotary knobs 21 and 22 are fixed to the ends of the two fastening shafts 20, respectively, and a spacer 23 is inserted between the two connecting rods 15 and 15 of the second fastening shaft 20 to fix both rotary knobs 21 and 22. 22 is rotated to tighten or release the first fastening shaft 19 and the second fastening shaft 20 to change and adjust the connecting angle of the two connecting rods 15 and 18.

In addition, a dovetail groove 24 extending in the longitudinal direction is formed on the upper surface of the camera mounting block 12, and a fixing screw 26 having a push head 25 at the groove bottom is screwed into the central axis position, and the dowel groove 24 is screwed to the camera mounting block 12. 12 is pivotally provided so as to be able to move in and out in the surface direction (arrow D) by operating a fastening lever 27 protrudingly provided on the bottom surface side end portion of 12. The dovetail groove 24 has a notch 28 at the center of one groove edge, and has a fitting structure for a one-touch mounting plate 30 described later.

The one-touch mounting plate 30 has a rectangular flat plate shape, and has sliding ribs 31 and 31 on both sides of the lower surface which slidably engage with the dovetail groove 24 of the camera mounting block 12 in the longitudinal direction (arrow E). In addition to the above structure, a rib notch 32 corresponding to the notch 28 of the dovetail groove 24 is formed at the center of one sliding rib 31. The width W1 of the front sliding rib 31 formed by the rib cutout 32 is smaller than the width W2 of the cutout 28 of the dovetail groove 24 (W1 <W2). By aligning the end (arrow F) of the one-touch mounting plate 30 with the line 29, at this position, a slide bayonet mechanism that can be fitted from the surface direction (arrow G) is configured. Reference numeral 33 denotes a retaining protrusion protruding from one side of the one-touch mounting plate 30, and the retaining protrusion 33 includes a stop pin 34 protruding at an end of the camera mounting block 12 and a sliding rib 31. It collides within the range where it does not fall from 24.

The one-touch mounting plate 30 is always used by being fixedly mounted on the camera by using an accessory mounting female screw formed on the bottom surface of the body of the camera a. Screw shaft holes 35, 35 are respectively formed at the sides, and a mounting screw 36 is inserted from the bottom surface side and screwed and fixed to the bottom surface of the camera a. Further, reference numeral 37 is a fastening screw that is screwed on the bottom surface of the one-touch mounting plate 30 in the vicinity of the mounting screw 36. The fastening screw 37 has an end portion protruding and retreating to the upper surface side and fixed by the mounting screw 36. The tip end is pressed against the bottom surface of a, and the rotation of the camera about the mounting screw 36 is prevented.

In the tripod platform with the one-touch mounting plate having the above-described configuration, the bolt b2 protruding from the platform receiver b1 of the tripod b is screwed and fastened to the tripod mounting female screw 9, and the detent screw 10 is fastened. It is possible to press firmly against the surface of the platform support b1 and securely fasten the rotating direction. Further, the one-touch mounting plate 30 is fixed to the bottom surface of each camera a by using a mounting screw 36, and a fastening screw 37 is further screwed to fix the rotation of the camera a. As shown in FIG. 4, the one-touch mounting plate 30 engages the slide rib 31 with the dovetail groove 24 of the camera mounting block 12 from the surface side by utilizing the slide bayonet mechanism, as shown in (a). As described above, the one-touch mounting plate 30 is moved from the state in which the sliding rib 31 without the rib notch 32 is engaged with the groove so that the end of the one-touch mounting plate 30 is aligned with the mounting reference line 29 of the dovetail groove 24. Drop into the groove 24. By this operation, the sliding rib 31 on the opposite side is positioned so that the rib cutout 32 intersects with the cutout 28 of the dovetail groove 24 and is fitted into the dovetail groove. Next, as shown in (b), the one-touch mounting plate 30 is slid in the groove direction to engage with the slide bayonet mechanism. Therefore, the fastening lever 27 is swung to move the push head 25 of the fixed screw 26. The one-touch mounting plate 30 can be pressed so as to project from the groove surface and be completely fixed.

When the one-touch mounting plate 30 is removed from the camera mounting block 12, the fastening head 27 is swung to loosen the fixing screw 26, so that the push head 25 retracts from the groove surface and slides from the dovetail groove 24. The moving ribs 31, 31 are easily pulled out. In this case as well, the slide bayonet mechanism can be used to disengage it to the surface side.

[0014]

[Effect of device]

 As described above, the tripod platform with a one-touch mounting plate according to the present invention has a structure in which the one-touch mounting plate is attached to and detached from the camera mounting block via the slide bayonet mechanism, so that the positions of both members can be aligned. It is simple and can be quickly attached to and detached from the camera mounting block with one touch, and it does not fall out accidentally.It has excellent operability. The effect is extremely large.

[Brief description of drawings]

FIG. 1 is a partially cutaway front view showing a position embodiment of the present invention.

FIG. 2 is a side view of the same.

FIG. 3 is an exploded perspective view of a camera mounting block and a one-touch mounting plate.

4 (1) and (2) are explanatory views showing a mounting operation of the one-touch mounting plate, respectively.

FIG. 5 is a partially cutaway side view showing a conventional camera attachment / detachment attachment.

[Explanation of symbols]

 1 main body block 2 journal bearing 6 support block 7 journal protrusion 12 camera mounting block 13 pantograph type angle adjusting mechanism 24 dovetail groove 26 fixed screw 27 fastening lever 28 notch 30 mounting plate 31 sliding rib 32 rib notch 33 stop protrusion 34 stop Pin 36 Mounting screw 37 Fastening screw a Camera b Tripod

Claims (2)

[Scope of utility model registration request] 1. A camera mount block in which a camera mount block is pivotally mounted so that a turning angle and an inclination angle can be adjusted with respect to a support block having a screw fixing means fixed to a tripod platform receiver on a bottom surface thereof. A dovetail groove in which a notch is formed in a part of one groove edge on the upper surface of the dovetail, and sliding that engages with the dovetail groove slidably in the groove direction on the bottom surface of a one-touch attachment plate provided with a camera attachment means. A slide bayonet mechanism is formed by forming a rib, and a part of the sliding rib is cut out corresponding to the cutout portion of the dovetail groove so as to be detachable, and protrudes from the bottom surface of the dovetail groove on the bottom surface of the camera mounting block. A tripod tripod head with a one-touch mounting plate, characterized by constituting a means for releasing the one-touch mounting plate from the fastening screw. 2. The one-touch mounting according to claim 1, wherein a one-touch mounting structure is provided at one end of the dovetail so as to stop the sliding by abutting against the one-touch mounting plate at a sliding limit position of the plate. Tripod head with plate.