JPH02179170A - Prism support device - Google Patents

Abstract

PURPOSE:To adjust the prism into two directions nearly orthogonal to each other and to avoid the effect of mounting accuracy by providing a relay block to fit a mount plate to a mount block. CONSTITUTION:Positioning pins 3, 11 and positioning holes 17, 21 for a mount plate 2 of a prism 1, one relay plate 15 of a relay block 14 and other relay plate 16 of the mount block 6 and the relay block are used base points respectively, positioning pins 4, 12 for the mount plate 2 and one relay plate 15 of the relay block and other relay plate 16 of the relay block and the mount block 6, and long holes 18, 23 for position adjustment are utilized to turn the prism 1 and the mount plate 2 with respect to the relay plate 15 and to turn the relay plate 16 to the mount block 6. Thus, the angle is adjusted in two directions nearly orthogonal to the block mounting the prism, that is, a mount object, then the effect of the mount accuracy is prevented.

Description

DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to a prism support device used in video cameras, prism block assembly and adjustment devices, and the like.

2. Description of the Related Art Conventionally, as this type of prism support device, a configuration as shown in FIG. 2 has been known. The conventional prism support device will be described below with reference to the drawings.

As shown in FIG. 2, a mounting plate 52 is integrally provided with the prism 51. Positioning pins 53 and 54 are protruded from both sides of the mounting plate 520, and a screw hole 55 is provided at the center.
is formed. These positioning pins 53, 54,
The screw holes 55 are arranged in a straight line. prism 5
1 is a video camera.

The mounting block 56 that is attached to an object to be attached such as a prism block assembly and adjustment device has a mounting plate 57 for the object to be attached and a mounting plate 52 for the prism 51.
and the mounting plate 58 are formed in an L-angle shape. Screw mounting holes 59 are formed on both sides of the mounting plate 570, and positioning holes 60 corresponding to the positioning pins 53 are formed at positions on the mounting plate 58 closer to the mounting plate 57, so that the mounting plate 58 and the mounting plate 57 are connected to each other. A long hole 6 for position adjustment corresponding to the positioning pin 54 on the remote side
1 is formed, and this elongated hole 61 for position adjustment is set to be slightly wider than the diameter of the positioning pin 54.

A screw attachment hole 62 is formed in the center of the attachment plate 58 in correspondence with the screw hole 55, and the screw attachment hole 62 is set to have a slightly larger diameter than the outer diameter of the screw shaft of the screw 63. Next, the installation operation of the above-mentioned conventional example will be explained.

First, insert the positioning pins 53 and 54 of the mounting plate 52 into the positioning hole 60 and the elongated hole 61 for position adjustment of the mounting block 56, screw the screw 63 from the screw mounting hole 62 into the screw hole 55, and screw the prism 51. Mounting block 56
Temporarily fasten. Next, a screw (not shown) is screwed into the screw hole of the object to be attached through the screw attachment hole 59 of the attachment block 56 and fitted. After that, loosen the screw 63 and set the positioning pin 53 of the mounting plate 52 and the positioning hole 60 of the mounting block 56 as the base point.
rotates the prism 51 and the mounting plate 52 so as to follow the elongated hole 61 for position adjustment of the mounting block 56,
Adjust the prism 51 in the direction of arrow α. After adjustment, screw 6
By tightening 3, the adjustment work is completed.

Problems to be Solved by the Invention However, the conventional prism support device described above has a problem in that the prism can only be adjusted in one direction, which is insufficient.

The present invention solves these conventional problems, and provides a prism support device that can adjust the prism in two substantially orthogonal directions and is not affected by mounting accuracy. The purpose is to provide the following.

Means for Solving the Problems In order to achieve the above object, the present invention includes a mounting plate provided integrally with a prism, a mounting block for mounting the prism to an object to be mounted, and a relay plate in a right angle direction. a relay block for attaching the mounting plate to the mounting block; a relay block selectively provided to correspond to the mounting plate and one of the relay plates; and the mounting block and the other relay plate. It has a positioning pin and a positioning hole on one side, a positioning pin and a long hole for position adjustment on the other side, and a screw hole and a screw mounting hole in the center.

Effects The present invention has the following effects due to the above configuration. In other words, one relay plate of the prism mounting plate and the relay block, and the positioning pins and positioning holes of the other relay plate of the mounting plate and the relay block are used as base points, respectively, and the relay plate of one of the mounting plate and the relay block and the mounting block are By rotating the prism and the mounting plate relative to one of the relay plates using the positioning pins and elongated holes for position adjustment on the other relay plate of the relay block, and rotating the relay plate relative to the mounting block. , the prism can be angularly adjusted in two directions approximately orthogonal to the mounting block or object to which it is mounted.

EMBODIMENT MU 2 An embodiment of the present invention will be described with reference to the drawings.

FIG. 1 is an exploded perspective view showing a prism support device in one embodiment of the present invention.

As shown in FIG. 1, a mounting plate 2 is integrally provided with a prism 1. Positioning pins 3 and 4 are provided protruding from both sides of the mounting plate 20, and a screw hole 5 is formed in the center. These positioning pins 3.4 and screw holes 5 are arranged in a straight line.

A mounting block 6 for attaching the prism 1 to an object to be attached, such as a video camera or a prism block assembly/adjustment device, includes a mounting plate 7 for the object to be attached;
Prism 1″lI: Installed relay block 14 (described later)
The mounting surface 8 is formed in a right angle direction. The mounting plate 7 has an optical path hole 9 in the center, is formed in an annular shape, has screw mounting holes 10 formed in a plurality of places, and has a mounting surface 8.
Positioning pins 11 and 12 are provided protruding from both sides, and a screw hole 13 is formed in the center. These positioning pins 11. 12 and the screw hole 13 are arranged in a straight line. A relay block 14 for attaching the prism 1 to the mounting block 6 is formed into an angular shape with relay plates 15 and 16 connected in a perpendicular direction.

Positioning holes 17 corresponding to the positioning pins 3 and 4 of the mounting plate 2 and elongated holes 18 for position adjustment are formed on both sides of one relay plate 150.
is set slightly wider than the diameter of the upright pin 4. A screw attachment hole 19 is formed in the center of the relay plate 15 in correspondence with the screw hole 5, and the screw attachment hole 19 is set to have a slightly larger diameter than the outer diameter of the screw shaft of the screw 20. Positioning pins 11 and 12 for the mounting surface 8 of the mounting block 6 are provided on both sides of the other relay plate 16, respectively.
A vertical positioning hole 21 and a long hole 22 for position adjustment are formed corresponding to the positioning pin 12.
It is set slightly wider than the diameter of the A screw attachment hole 23 is formed in the center of the relay plate 16 in correspondence with the screw hole 13 of the attachment surface 8, and the screw attachment hole 23 is set to have a slightly larger diameter than the outer diameter of the screw shaft of the screw 24. has been done. Each relay plate 15.1 of the relay block 14
The positioning holes 17.21 formed in the mounting block 6 are set so as to be located on the mounting plate 7 side when the relay block 14 is mounted on the mounting surface of the mounting block 6.

Next, the @ sign attaching operation of the above embodiment will be explained.

First, insert the positioning pins 3 and 4 of the mounting plate 2 into the vertical positioning hole 17 and the elongated hole 18 for vertical position adjustment of one relay plate 15 of the relay block 14, and then insert the screw 20 into the screw mounting hole 19.
screw into the screw hole 5, and temporarily fix the prism 1 to the mounting block 14. Next, the vertical positioning pins 11 and 12 on the mounting surface 8 of the mounting block 6, the vertical positioning hole 21 on the other relay plate 16 of the relay block 14, and the elongated hole 2 for position adjustment.
2, screw the screw 24 into the screw hole 13 from the screw attachment hole 23, attach the prism 51 and the relay block 14, and temporarily fasten it to the block 6. Next, screw the screw (not shown) from the screw hole 10 of the mounting block 6 into the screw hole of the object to be sprayed, and then insert the screw into the mounting block 6.
That is, the prism 1 is attached to an object.

After that, loosen the screws 20, and move the prism 1 and the mounting plate 2 so that the positioning pin 4 is aligned with the elongated hole 18 for position adjustment of the relay block 14, using the positioning ben 3 of the mounting plate 2 and the positioning hole 17 of the relay block 14 as the reference point. , and adjust the prism l in the direction of arrow α. After adjustment,
Tighten 20 screws. Next, loosen the screw 24, install the mounting block 60, vertical positioning pin 11, and relay block 1.
4, the prism 1, the mounting plate 2, and the relay block 14 are rotated so that the elongated hole 22 for position adjustment of the relay block 14 is aligned with the positioning pin 12 of the mounting block 6, and the prism 1 is adjusted in the direction of arrow β, which is substantially orthogonal to the direction of arrow α. After adjustment, the adjustment work is completed by tightening the screw 24.

Note that the β direction may be adjusted first, and then the α direction may be adjusted. In addition, the positioning pins 3 and 4 are connected to the relay block 14.
The positioning hole 17 and the long hole 18 for position adjustment may be formed on the mounting plate 2 side, and either the positioning pin 3 or 4 may be attached to the positioning hole 17 or It may be replaced with the elongated hole 18 for adjustment. Alternatively, the positioning pins 11 and 12 may be attached to the relay plate 16 side of the relay block 14, and the positioning holes 21 and elongated holes 22 for position adjustment may be formed on the mounting surface 8 side of the mounting block 6. I
Either one of I or 12"f: Positioning hole 21
, or may be replaced with the elongated hole 22 for position adjustment.

Effects of the Invention As described above, according to the present invention, the positioning pins and positioning holes of one relay plate of the prism mounting plate and the relay block and the other relay plate of the mounting block and the relay block are used as base points, and the mounting plate and Rotate the prism and the mounting plate relative to one relay plate using the vertical positioning pins and elongated holes for vertical adjustment on one of the relay plates and mounting blocks of the relay block and the other relay plate of the relay block. By rotating the relay plate f: 1ffl with respect to the mounting block, the angle of the prism can be adjusted in two directions substantially perpendicular to the mounting block, that is, the object to be mounted.

Therefore, the influence of mounting accuracy can be prevented.

[Brief explanation of the drawing]

FIG. 1 is an exploded perspective view showing a prism support device according to an embodiment of the present invention, and FIG. 2 is an exploded perspective view showing a conventional prism support device. 1... Prism, 2... Mounting plate, 3, 4...
Vertical positioning pin, 5...Screw hole, 6...Mounting block, 8...Mounting surface, 11.12...Positioning pin, 13...Screw hole, 14...Relay block, 1
5.16... Relay plate, 17... Positioning hole, 18.
...Elongated hole for position adjustment, 19...Screw @ hole, 2
1... Vertical fixing hole, 22... Long hole for position adjustment, 2
3...Screw mounting hole.

Claims (1)

[Claims] a mounting plate provided integrally with the prism, a mounting block for mounting the prism to an object to be mounted, a relay block for connecting a relay plate in a perpendicular direction and mounting the mounting plate to the mounting block; Locating pins and locating holes on one side, locating pins and position adjustment lengths on the other side are selectively provided for the mounting plate and one of the relay plates, the mounting block and the other relay plate, respectively. Prism support device with hole, center threaded hole and threaded mounting hole.