CN218122352U

CN218122352U - Microscope lens barrel parfocal calibration and detection equipment with integrated eyepiece and lens barrel

Info

Publication number: CN218122352U
Application number: CN202222761636.0U
Authority: CN
Inventors: 尹礼东; 苗强; 章得喜; 施雪峰
Original assignee: ZHANGJIAGANG CITY OPTICAL INSTRUMENT CO Ltd
Current assignee: ZHANGJIAGANG CITY OPTICAL INSTRUMENT CO Ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2022-12-23
Anticipated expiration: 2032-10-20

Abstract

The utility model discloses an eyepiece and lens cone integrated microscope lens cone parfocal calibration detection device, which comprises a base, wherein the base is provided with a base, and the base is internally provided with a light inlet channel which is obliquely arranged, a light reflecting channel which is vertically arranged and a bottom reflector which reflects light in the light inlet channel to the light reflecting channel; a through mounting cylinder is arranged at the upper opening of a vertically arranged light path on the base, a connecting seat is detachably arranged on the mounting cylinder and used for connecting the lens cone assembly to be detected, and one or two eyepieces of the lens cone assembly to be detected are covered with an upper reflector; the base is provided with an installation notch at the upper opening of the light inlet channel, and the bottom of the straight cylinder component is embedded in the installation notch; the straight barrel assembly comprises a barrel body, and an equivalent lens group with the same magnification factor as that of the imaging optical lens group in the lens barrel to be detected is arranged in the lower section of the barrel body; an observation assembly with a light source is detachably arranged at the upper edge of the cylinder body.

Description

Microscope lens barrel parfocal calibration and detection equipment with integrated eyepiece and lens barrel

Technical Field

The utility model relates to a microscope lens cone parfocal calibration check out test set of eyepiece and lens cone integral type.

Background

The microscope lens cone with the integrated eyepiece and lens cone comprises a lens cone seat, wherein a corner lens and an internal field lens are arranged in the lens cone seat, the lens cone seat is connected with an eyepiece lens cone, and three locking screws which are arranged at 120 degrees and used for connecting the eyepiece lens cone and the lens cone seat are arranged on the side surface of the lens cone seat. The tightness of the locking screw directly influences the definition of simultaneous imaging of the two eyepieces, and the center of the two eyepiece barrels is ensured to be in focus through micro-motion correction and adjustment of the focus alignment correction and detection equipment.

Disclosure of Invention

The utility model discloses the technical problem that will solve is: provided is an eyepiece and lens cone integrated microscope lens cone parfocal calibration detection device.

For solving the technical problem, the utility model discloses the technical scheme who adopts does: an eyepiece and lens cone integrated microscope lens cone parfocal calibration detection device comprises a base, wherein a base is arranged on the base, and a light inlet channel which is obliquely arranged, a light reflecting channel which is vertically arranged and a bottom reflector which reflects light rays in the light inlet channel to the light reflecting channel are arranged in the base; a through mounting cylinder is arranged at the upper opening of a vertically arranged light path on the base, a connecting seat is detachably arranged on the mounting cylinder and used for connecting a lens cone component to be detected, and one or two ocular lenses of the lens cone component to be detected are covered with an upper reflector; the base is provided with an installation notch at the upper opening of the light inlet channel, and the bottom of the straight cylinder component is embedded in the installation notch; the straight barrel assembly comprises a barrel body, and an equivalent lens group with the same magnification factor as the imaging optical lens group in the lens barrel to be detected is arranged in the lower section of the barrel body; an observation assembly with a light source is detachably arranged at the upper edge of the cylinder body;

the observation assembly comprises an outer barrel, an inner tube with the lower end embedded into an upper barrel body of the straight barrel assembly is movably arranged in the outer barrel in a penetrating mode, a lower mounting seat is embedded in the lower end of the inner tube, a concave lens gluing assembly is arranged in the lower mounting seat, an upper end seat is arranged at the upper end of the outer tube, a three-piece convex lens assembly with the magnification of more than 5 times is arranged on the upper portion of the upper end seat, an upper differentiation plate lens assembly is arranged on the lower portion of the upper end seat, cross marks and scales are arranged on the upper differentiation plate lens assembly, an inner mounting seat is arranged at the top of the inner tube, two right-angled triangular prisms glued together are arranged on the inner mounting seat, a mounting through hole is formed in the side wall of the outer tube, a side mounting tube is embedded in the mounting through hole, a side differentiation plate lens group is arranged in the side mounting tube, cross marks are arranged on the side differentiation plate lens group, and a lighting lamp bead is arranged at one side of the side differentiation plate assembly, which is far away from the inner tube, in the side mounting tube; the inclined plane of the right-angled triangular prism inclines from bottom to top towards the direction close to the side installation pipe, a rotary disc which rotates along a central line arranged in parallel to the axis direction of the side installation pipe is arranged on one side, opposite to the side installation pipe, of the outer pipe, a transmission steel wire is wound on the periphery of the rotary disc, the lower end of the transmission steel wire is connected with a spring, an axial avoidance long hole is formed in the lower section of the side wall of the outer pipe, the lower end of the spring is connected with a transmission rod penetrating through the avoidance long hole, and the end part of the transmission rod is fixed on the side wall of the inner pipe; the rotary disk is connected with a knob for driving the rotary disk to rotate; the knob is rotated to drive the inner tube to move so that the focus of the whole formed by the observation assembly and the straight tube assembly is just positioned at the mirror surface of the reflector at the bottom.

Preferably, the concave lens gluing assembly comprises a concave lens and a bottom lens, wherein the lower surface of the bottom lens is a plane, and the upper surface of the bottom lens is attached to the surface of the concave lens.

As a preferred scheme, the side wall of the outer tube is provided with a pointer, and the periphery of the knob is provided with a circle of scales matched with the pointer.

As a preferred scheme, the three-piece type convex lens component comprises a first convex lens, a second convex lens and a lower lens, wherein the first convex lens, the second convex lens and the lower lens are sequentially arranged from top to bottom, the curvature of the second convex lens is larger than that of the first convex lens, and the lower surface of the lower lens is a plane and the upper surface of the lower lens is attached to the surface of the second convex lens.

As a preferable scheme, the upper end seat is provided with a threaded through hole with a vertically arranged central line, a movable seat is rotatably arranged in the threaded through hole, and the three-piece convex lens component is embedded in the movable seat; the outer part of the upper end seat is connected with a gland for compressing the movable seat through threads, and the middle part of the gland is provided with a through hole corresponding to the three-piece convex lens component.

As a preferable scheme, the upper edge of the mounting cylinder is provided with a positioning connecting ring, the upper part of the inner side of the positioning connecting ring is provided with two first mounting fixture blocks, and the connecting seat is provided with two second mounting fixture blocks embedded between the mounting fixture blocks and the upper surface of the mounting seat.

As a preferable scheme, a radial threaded through hole is formed in the positioning connecting ring, and a locking bolt for tightly propping against the side wall of the connecting seat is arranged in the threaded through hole.

As a preferable scheme, a plurality of axially arranged telescopic notches are arranged on the side wall of the cylinder body.

The utility model has the advantages that:

the view on the eyepiece of the lens barrel assembly is reflected to the observation assembly by the parfocal calibration detection equipment and is amplified through the observation assembly, so that the view is clearly displayed and the parfocal adjustment is convenient. The observation subassembly provides and is used for the light source and observes the object image that reflects, and can make the formation of image more clear through the position of adjusting the inner tube, overall structure is compact, installation convenient to use, and application scope is wide.

Because the concave lens gluing component comprises the concave lens and the bottom lens, the lower surface of the concave lens is a plane, and the upper surface of the bottom lens is attached to the mirror surface of the concave lens, the concave lens can be protected, and the chromatic aberration generated by the optical lens can be reduced to a certain extent.

Because the pointer is arranged on the side wall of the outer tube, and a circle of scales matched with the pointer are arranged on the periphery of the knob, the adjustment is more visual.

Because three formula convex lens subassemblies include from last first convex lens, second convex lens and the lower lens that down sets gradually, and the camber of second convex lens is greater than first convex lens, and lower lens lower surface is plane and upper surface laminating second convex lens mirror surface, and the colour difference that single optical lens produced can be subtracted betterly to the combination of many lenses.

The upper end seat is provided with a threaded through hole with a vertically arranged central line, a movable seat is rotatably arranged in the threaded through hole, and the three-piece convex lens component is embedded in the movable seat; the upper end base is externally connected with a gland for compressing the movable base through threads, the middle part of the gland is provided with a through hole corresponding to the three-piece type convex lens component, so that the three-piece type convex lens component is convenient to install, the position of the three-piece type convex lens component can be quickly and micro-adjusted, the precision requirement of integral installation is reduced, and the installation efficiency and the convenience in use are greatly improved.

Because the upper edge of the mounting cylinder is provided with the positioning connecting ring, the upper part of the inner side of the positioning connecting ring is provided with two first mounting fixture blocks, and the connecting seat is provided with two second mounting fixture blocks embedded between the mounting fixture blocks and the upper surface of the mounting seat, thereby facilitating the mounting of the connecting seat.

Because the positioning connecting ring is provided with the radial thread through hole, and the locking bolt for tightly pushing the side wall of the connecting seat is arranged in the thread through hole, the installation of the connecting seat is further facilitated.

Because the side wall of the cylinder body is provided with a plurality of axially arranged telescopic notches, the embedding of the observation assembly is facilitated.

Drawings

Fig. 1 is a schematic view of the structure of the present invention.

Fig. 2 is a schematic view of the front view structure of the observation assembly of the present invention.

In fig. 1 to 2: 1, a base, 2 a base and 3 a reflector at the bottom; 4, mounting a cylinder, 5 connecting seats and 6 upper reflectors; 7 straight tube component, 71 tube body, 72 equivalent lens group;

8, an observation component; 81 outer cylinder, 82 inner tube, 83 lower mounting seat, 84 concave lens gluing component; 841 concave lens, 842 bottom lens, 85 upper end seat, 86 three-piece convex lens component, 87 upper differentiation plate lens component, 88 inner mounting seat, 89 right-angled triangular prism, 810 side mounting tube, 811 side differentiation plate lens group and 812 lighting lamp bead; 813 rotating disc, 814 driving steel wire, 815 spring, 816 driving rod, 817 knob, 818 movable seat and 819 gland;

9 positioning connecting rings, 10 locking bolts and 11 lens cone components to be detected.

Detailed Description

Specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

As shown in fig. 1-2, an eyepiece and lens barrel integrated microscope lens barrel parfocal calibration detection device comprises a base 1, wherein a base 2 is arranged on the base 1, and a light inlet channel which is obliquely arranged, a light reflecting channel which is vertically arranged and a bottom reflector 3 which reflects light rays in the light inlet channel to the light reflecting channel are arranged in the base 2; the utility model discloses a setting up the installation section of thick bamboo 4 that link up is equipped with in the light of vertical arrangement department on base 2, detachably is equipped with connecting seat 5 on the installation section of thick bamboo 4, and the edge is equipped with location go-between 9 on the installation section of thick bamboo 4, and the inboard upper portion of location go-between 9 is equipped with two first installation fixture blocks, is equipped with the second installation fixture block between two embedding installation fixture blocks and the installation seat upper surface on the connecting seat 5. The positioning connection ring 9 is provided with a radial threaded through hole, and a locking bolt 10 for tightly propping the side wall of the connection seat 5 is arranged in the threaded through hole.

The connecting seat 5 is used for connecting the lens cone component 11 to be detected, and one or two eyepieces of the lens cone component to be detected are covered with the upper reflector 6; an installation notch is formed in the upper opening of the light inlet channel on the base 2, and the bottom of the straight cylinder component 7 is embedded in the installation notch; the straight barrel assembly 7 comprises a barrel body 71, and an equivalent lens group 72 with the same magnification factor as that of the imaging optical lens group in the lens barrel to be detected is arranged in the lower section of the barrel body 71; an observation assembly 8 with a light source is detachably arranged at the upper edge of the cylinder 71; the side wall of the cylinder 71 is provided with a plurality of axially arranged telescopic notches.

Observe subassembly 8 and include urceolus 81 of barrel 71 on the straight section of thick bamboo subassembly 7 of lower extreme embedding, urceolus 81 internalization is worn to be equipped with inner tube 82, and inner tube 82 lower extreme inlays and is equipped with down mount pad 83, is equipped with concave lens veneer subassembly 84 in the lower mount pad 83, concave lens veneer subassembly 84 includes the lower surface that concave lens and concave lens 841 lower part set up and is the bottom lens 842 of plane and upper surface laminating concave lens 841 mirror surface. The upper end of the outer tube is provided with an upper end seat 85, the upper part of the upper end seat 85 is provided with a three-piece convex lens component 86 with the magnification of 10 times, the upper end seat 85 is provided with a threaded through hole with a central line vertically arranged, a movable seat 818 is rotatably arranged in the threaded through hole, and the three-piece convex lens component 86 is embedded in the movable seat 818; the outer part of the upper end seat 85 is connected with a gland 819 for compressing the movable seat 818 through threads, and the middle part of the gland 819 corresponding to the three-piece convex lens component 86 is provided with a through hole. The three-piece convex lens assembly 86 comprises a first convex lens, a second convex lens and a lower lens, wherein the first convex lens, the second convex lens and the lower lens are sequentially arranged from top to bottom, the curvature of the second convex lens is larger than that of the first convex lens, and the lower surface of the lower lens is a plane and the upper surface of the lower lens is attached to the surface of the second convex lens.

An upper differentiation plate lens assembly 87 is arranged at the lower part of the upper end seat 85, a cross mark and scales are arranged on the upper differentiation plate lens assembly 87, an inner mounting seat 88 is arranged at the top of the inner tube 82, two right-angled triangular prisms 89 glued together are arranged on the inner mounting seat 88, a mounting through hole is arranged on the side wall of the outer tube, a side mounting tube 810 is embedded in the mounting through hole, a side differentiation plate lens group 811 is arranged in the side mounting tube 810, the cross mark is arranged on the side differentiation plate lens group 811, and a lighting lamp bead 812 is arranged in the side mounting tube 810 at one side of the side differentiation plate assembly, which is far away from the inner tube 82; the inclined plane of the right-angled triangular prism 89 inclines from bottom to top towards the direction close to the side mounting tube 810, one side of the outer tube, which is opposite to the side mounting tube 810, is provided with a rotating disc 813 rotating along the central line arranged in parallel with the axial direction of the side mounting tube 810, the periphery of the rotating disc 813 is wound with a transmission steel wire 814, the lower end of the transmission steel wire 814 is connected with a spring 815, the lower section of the side wall of the outer tube is provided with an axial avoidance slotted hole, the lower end of the spring 815 is connected with a transmission rod 816 penetrating through the avoidance slotted hole, and the end part of the transmission rod 816 is fixed on the side wall of the inner tube 82; the rotary disc 813 is connected with a knob 817 for driving the rotary disc 813 to rotate; the side wall of the outer tube is provided with a pointer, and the periphery of the knob 817 is provided with a circle of scales matched with the pointer.

Turning knob 817 moves inner tube 82 so that the focal point of the integral body formed by viewing assembly 8 and straight barrel assembly 7 is located just at the mirror surface of bottom reflector 3.

The calibration and adjustment steps comprise:

A. turning on a power supply, covering one eyepiece barrel by using an upper reflector 6, and screwing three locking screws for fixing the other eyepiece barrel on the adjusting lens barrel until the rice character image observed in the observation component 8 is clear; the upper reflector 6 covers the other eyepiece barrel, and three locking screws for fixing the uncovered eyepiece barrel on the adjusting lens barrel are screwed until the rice character image observed in the observation assembly 8 is clear;

B. the reflector is used for simultaneously covering the two eyepiece barrels, the locking screws of the two eyepiece barrels are simultaneously adjusted until the image of the left eyepiece barrel is on the right of the image of the right eyepiece barrel, and the left eyepiece barrel and the right eyepiece barrel are simultaneously rotated, so that the left-right distance of the two images of the Chinese character 'mi' is always within six grids of the scale, and the up-down distance is within two grids of the scale.

The above embodiments are merely illustrative of the principles and effects of the present invention, and some embodiments may be used, and are not intended to limit the present invention; it should be noted that, for those skilled in the art, without departing from the inventive concept, several changes and modifications can be made, which are within the scope of the present invention.

Claims

1. The utility model provides a microscope lens cone parfocal calibration check out test set of eyepiece and lens cone integral type, includes the base, its characterized in that: the base is provided with a base, and the base is internally provided with a light inlet channel which is obliquely arranged, a light reflecting channel which is vertically arranged and a bottom reflector which reflects light rays in the light inlet channel to the light reflecting channel; a through mounting cylinder is arranged at the upper opening of a vertically arranged light path on the base, a connecting seat is detachably arranged on the mounting cylinder and used for connecting the lens cone assembly to be detected, and one or two eyepieces of the lens cone assembly to be detected are covered with an upper reflector; the base is provided with an installation notch at the upper opening of the light inlet channel, and the bottom of the straight cylinder component is embedded in the installation notch; the straight barrel assembly comprises a barrel body, and an equivalent lens group with the same magnification factor as that of the imaging optical lens group in the lens barrel to be detected is arranged in the lower section of the barrel body; an observation assembly with a light source is detachably arranged at the upper edge of the cylinder body;

the observation assembly comprises an outer barrel with the lower end embedded into an upper barrel body of the straight barrel assembly, an inner tube is movably arranged in the outer barrel in a penetrating manner, a lower mounting seat is embedded at the lower end of the inner tube, a concave lens gluing assembly is arranged in the lower mounting seat, an upper end seat is arranged at the upper end of the outer tube, a three-piece convex lens assembly with the magnification more than 5 times is arranged at the upper part of the upper end seat, an upper differentiation plate lens assembly is arranged at the lower part of the upper end seat, a cross mark line and scales are arranged on the upper differentiation plate lens assembly, an inner mounting seat is arranged at the top of the inner tube, two right-angled triangular prisms glued together are arranged on the inner mounting seat, a mounting through hole is arranged on the side wall of the outer tube, a side mounting tube is embedded in the mounting through hole, a side differentiation plate lens assembly is arranged in the side mounting tube, the cross mark line is arranged on the side differentiation plate lens assembly, and a lighting lamp bead is arranged at one side of the side mounting tube, which is far away from the inner tube, and the side differentiation plate assembly; the inclined plane of the right-angled triangular prism inclines from bottom to top towards the direction close to the side installation pipe, a rotary disc which rotates along a central line arranged in parallel to the axis direction of the side installation pipe is arranged on one side, opposite to the side installation pipe, of the outer pipe, a transmission steel wire is wound on the periphery of the rotary disc, the lower end of the transmission steel wire is connected with a spring, an axial avoidance long hole is formed in the lower section of the side wall of the outer pipe, the lower end of the spring is connected with a transmission rod penetrating through the avoidance long hole, and the end part of the transmission rod is fixed on the side wall of the inner pipe; the rotary disk is connected with a knob for driving the rotary disk to rotate; the knob is rotated to drive the inner tube to move so that the focus of the whole formed by the observation assembly and the straight tube assembly is just positioned at the mirror surface of the reflector at the bottom.

2. An eyepiece and barrel integrated microscope barrel parfocal calibration inspection apparatus according to claim 1 wherein: the concave lens gluing assembly comprises a concave lens and a bottom lens, wherein the lower surface of the lower portion of the concave lens is a plane, and the upper surface of the bottom lens is attached to the surface of the concave lens.

3. An eyepiece and barrel integrated microscope barrel parfocal calibration inspection apparatus according to claim 1 wherein: the outer tube is characterized in that a pointer is arranged on the side wall of the outer tube, and a circle of scales matched with the pointer are arranged on the periphery of the knob.

4. An eyepiece and barrel integrated microscope barrel parfocal calibration inspection apparatus as claimed in claim 1, wherein: the three-piece type convex lens component comprises a first convex lens, a second convex lens and a lower lens, wherein the first convex lens, the second convex lens and the lower lens are sequentially arranged from top to bottom, the curvature of the second convex lens is larger than that of the first convex lens, and the lower surface of the lower lens is a plane and the upper surface of the lower lens is attached to the surface of the second convex lens.

5. An eyepiece and barrel integrated microscope barrel parfocal calibration inspection apparatus as claimed in claim 1, wherein: the upper end seat is provided with a threaded through hole with a vertically arranged central line, a movable seat is rotatably arranged in the threaded through hole, and the three-piece convex lens component is embedded in the movable seat; the outer part of the upper end seat is connected with a gland for compressing the movable seat through threads, and the middle part of the gland is provided with a through hole corresponding to the three-piece convex lens component.

6. An eyepiece and barrel integrated microscope barrel parfocal calibration and inspection apparatus as claimed in any one of claims 1 to 5 wherein: the mounting barrel is provided with a positioning connecting ring at the upper edge, two first mounting fixture blocks are arranged at the upper part of the inner side of the positioning connecting ring, and two second mounting fixture blocks embedded between the mounting fixture blocks and the upper surface of the mounting seat are arranged on the connecting seat.

7. An eyepiece and barrel integrated microscope barrel parfocal calibration inspection apparatus as claimed in claim 6, wherein: the positioning connecting ring is provided with a radial threaded through hole, and a locking bolt for tightly propping the side wall of the connecting seat is arranged in the threaded through hole.

8. An eyepiece and barrel integrated microscope barrel parfocal calibration and inspection apparatus as claimed in any one of claims 1 to 5 wherein: the side wall of the cylinder body is provided with a plurality of axially arranged telescopic notches.