CN217484572U

CN217484572U - Reticle adjusting mechanism

Info

Publication number: CN217484572U
Application number: CN202221594746.6U
Authority: CN
Inventors: 宫文; 陈蓓曦; 范顺学; 刘晓冬
Original assignee: Luoyang Fanyu Photoelectric Technology Co ltd
Current assignee: Luoyang Fanyu Photoelectric Technology Co ltd
Priority date: 2022-06-24
Filing date: 2022-06-24
Publication date: 2022-09-23
Anticipated expiration: 2032-06-24

Abstract

The utility model discloses a reticle adjusting mechanism, which comprises a reticle and a reticle frame, wherein one end of the reticle frame is provided with an annular groove, the reticle is arranged in the annular groove, the reticle adjusting mechanism also comprises a bushing and a first sleeve, the bushing is arranged outside the reticle frame, the first sleeve is arranged outside the bushing, an annular adjusting cavity is arranged between the inner wall of the first sleeve and the outer wall of the bushing, and the first sleeve is provided with a first threaded hole which runs through the inner wall and the outer wall of the first sleeve; be equipped with the second screw hole that link up its inner wall and outer wall on the partition sheet frame, all be equipped with the breach that corresponds the setting with this second screw hole on bush and the first sleeve pipe. The utility model discloses can independently adjust reticle radial position, can also independently adjust reticle circumferential direction position.

Description

Reticle adjusting mechanism

Technical Field

The utility model relates to the field of photoelectric technology, concretely relates to reticle guiding mechanism.

Background

The photoelectric observation instrument mainly undertakes the observation and aiming tasks of multiple spectrums and multiple optical axes such as visible light observation and aiming, infrared distance measurement, thermal image importing and the like. The visible light observation aiming system realizes the searching, observation, tracking and aiming of the target. The visible light part of the photoelectric observation instrument consists of an objective lens, a spectroscope, a reticle and an ocular lens. The reticle is one of important tools for assembling, correcting and detecting optical instruments, is generally arranged on a focal plane of a right ocular of a telescope, is an extremely thin piece of thin glass with a scribed dense bit line on the surface, and theoretically participates in imaging, so that the focal length of an objective lens is prolonged, and the length of the right ocular is influenced to a greater or lesser extent. The accuracy requirement of the mounting position of the reticle is extremely high.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a reticle guiding mechanism.

The utility model discloses the technical scheme who adopts does: a reticle adjusting mechanism comprises a reticle and a reticle frame, wherein one end of the reticle frame is provided with an annular groove, the reticle is installed in the annular groove, the reticle adjusting mechanism further comprises a lining and a first sleeve, the lining is installed outside the reticle frame, the first sleeve is installed outside the lining, an annular adjusting cavity is arranged between the inner wall of the first sleeve and the outer wall of the lining, and the first sleeve is provided with a first threaded hole penetrating through the inner wall and the outer wall of the first sleeve; be equipped with the second screw hole that link up its inner wall and outer wall on the partition sheet frame, all be equipped with the breach that corresponds the setting with this second screw hole on bush and the first sleeve pipe.

The reticle adjusting mechanism further comprises a second sleeve, the lower end of the second sleeve is mounted outside the upper end of the first sleeve, and a light homogenizing plate located above the reticle is mounted in the second sleeve.

As a further optimization of the reticle adjusting mechanism, the upper end of the second sleeve is provided with an LED light source.

Preferably, three second threaded holes are uniformly distributed in the dividing plate frame.

Preferably, four first threaded holes are uniformly distributed in the first sleeve.

Wherein, all be equipped with on bush and the first sleeve pipe and correspond the breach that sets up with at least one second screw hole.

As a further optimization of the reticle adjustment mechanism: the lower extreme of first sleeve pipe is equipped with external connection screw thread, can make this mechanism connect on optical system through this external connection screw thread, and the screw hole that is connected through it adds the gasket, and then adjusts the axial position of graticule.

The first adjustment method comprises the following steps: an annular adjusting cavity is arranged between the inner wall of the first sleeve and the outer wall of the lining, a first threaded hole is formed in the first sleeve, and the lining, the dividing plate frame and the dividing plate move forwards, backwards, leftwards and rightwards in the radial direction by abutting a screw arranged in the first threaded hole against the lining;

the second adjustment mode: through the breach on bush and the first sleeve pipe, stretch into the second screw hole on the reticle frame with the screw, make reticle frame, reticle at circumferential direction.

The utility model discloses can the independent adjustment graticule radial position, can also the independent adjustment graticule circumferential direction position.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a longitudinal cross-sectional view of FIG. 1;

fig. 3 is a cross-sectional view of fig. 1.

Reference numerals are as follows: 1. the light source comprises a reticle, 2, a reticle frame, 20, a second threaded hole, 3, a bushing, 4, a first sleeve, 40, a first threaded hole, 5, a second sleeve, 50, an annular boss, 6, an annular adjusting cavity, 7, an LED light source, 8, a notch, 9, external connecting threads, 10, a pressing ring, 11 and a light homogenizing plate.

Detailed Description

In order to more clearly describe the present invention, the present invention will be further described with reference to the accompanying drawings.

A reticle adjusting mechanism is shown in figures 1, 2 and 3 and comprises a reticle 1 and a reticle frame 2, wherein one end of the reticle frame 2 is provided with an annular groove, and the reticle 1 is installed in the annular groove.

As shown in fig. 2, one end of the reticle frame 2 is further provided with a pressing ring 10 for pressing the reticle 1.

This mechanism still includes bush 3 and first sleeve 4, and bush 3 installs outside dividing the reticle frame 2, and first sleeve 4 installs outside bush 3, and is equipped with annular adjustment chamber 6 between the inner wall of first sleeve 4 and the outer wall of bush 3.

The first sleeve 4 is provided with a first threaded hole 40 penetrating the inner wall and the outer wall thereof. As a preferred embodiment: as shown in fig. 3, four first threaded holes 40 are uniformly distributed in the first sleeve 4.

The partition plate frame 2 is provided with a second threaded hole 20 penetrating through the inner wall and the outer wall thereof, as a preferred embodiment: as shown in fig. 3, three second threaded holes 20 are uniformly distributed on the reticle frame 2.

The bush 3 and the first sleeve 4 are both provided with notches corresponding to the second threaded holes 20. As a preferred embodiment: all be equipped with the breach that can correspond the setting with at least one second screw hole on bush and the first sleeve pipe.

As shown in fig. 1 and 2, the reticle adjusting mechanism further includes a second sleeve 5, a lower end of the second sleeve 5 is mounted outside an upper end of the first sleeve 4, an LED light source 7 is mounted at an upper end of the second sleeve 5, and a light homogenizing plate 11 located above the reticle 1 is mounted in the second sleeve 5.

As shown in fig. 1, the inner wall of the lower end 5 of the second sleeve is provided with an annular boss 50, so that the upper end of the first sleeve 4 abuts against the annular boss 50.

One of the adjustment methods is as follows: be equipped with annular adjustment chamber between the outer wall of first sheathed tube inner wall and bush, be equipped with first screw hole on the first sleeve pipe, through the screw butt bush of the downthehole installation of first screw thread, make bush, reticule frame, reticule move around radial direction. I.e. independently adjusting the reticle radial position.

The second adjustment method: through the breach on bush and the first sleeve pipe, stretch into the second screw hole on the reticle frame with the screw, make reticle frame, reticle at circumferential direction, its rotation range does not exceed the scope of breach restriction. Namely, the circumferential rotation position of the reticle is independently adjusted.

The third adjustment method: as shown in fig. 1, the lower end of the first sleeve is provided with an external connection thread, the mechanism can be connected to the optical system through the external connection thread, and the axial position of the reticle is adjusted by adding a gasket to a threaded hole connected with the mechanism. I.e. independently adjusting the focal plane position of the reticle.

Claims

1. The utility model provides a graticule guiding mechanism, includes graticule and graticule frame, and the one end of graticule frame is equipped with the annular groove, and the graticule is installed in this annular groove, its characterized in that: the partition plate frame is characterized by also comprising a lining and a first sleeve, wherein the lining is arranged outside the partition plate frame, the first sleeve is arranged outside the lining, an annular adjusting cavity is arranged between the inner wall of the first sleeve and the outer wall of the lining, and a first threaded hole penetrating through the inner wall and the outer wall of the first sleeve is formed in the first sleeve; be equipped with the second screw hole that link up its inner wall and outer wall on the division sheet frame, all be equipped with the breach that corresponds the setting with this second screw hole on bush and the first sleeve pipe.

2. A reticle adjustment mechanism according to claim 1, wherein: the lower end of the second sleeve is arranged outside the upper end of the first sleeve, and the second sleeve is internally provided with a light homogenizing plate positioned above the reticle.

3. A reticle adjustment mechanism according to claim 2, wherein: and the upper end of the second sleeve is provided with an LED light source.

4. A reticle adjustment mechanism according to claim 1, wherein: the lower end of the first sleeve is provided with external connecting threads.

5. A reticle adjustment mechanism according to claim 1, wherein: three second threaded holes are uniformly distributed on the dividing plate frame.

6. A reticle adjustment mechanism according to claim 4, wherein: all be equipped with the breach that can correspond the setting with at least one second screw hole on bush and the first sleeve pipe.

7. A reticle adjustment mechanism according to claim 1, wherein: four first threaded holes are uniformly distributed in the first sleeve.