CN110456496B

CN110456496B - Adjustable microscope

Info

Publication number: CN110456496B
Application number: CN201910624381.3A
Authority: CN
Inventors: 冯振; 王磊; 刘涵; 王玉香; 孙式运
Original assignee: Bozhou Vocational and Technical College
Current assignee: Bozhou Vocational and Technical College
Priority date: 2019-07-11
Filing date: 2019-07-11
Publication date: 2021-05-28
Anticipated expiration: 2039-07-11
Also published as: CN110456496A

Abstract

The invention discloses an adjustable microscope, which relates to the field of microscopes and comprises a base station, a lens mechanism and an objective table, wherein the base station comprises a bearing shell, a base plate and a fixed rotating shaft, the bearing shell is fixedly connected to the base plate, the fixed rotating shaft is fixedly connected to the bearing shell, an objective turntable is arranged to bear a plurality of groups of objective lenses for switching use, the requirements of magnification precision and multiple are met, a handheld rotating ring capable of rotating relative to the objective turntable is arranged to play a role in protecting the objective lenses, the liftable objective table is arranged to replace the lifting of a lens barrel, a light source is arranged in the objective table body to replace a reflector, the lighting is better, the adjustment is more convenient, the magnification precision and the multiple are improved, the objective lenses can be protected, and the observation is facilitated by the light.

Description

Adjustable microscope

Technical Field

The invention relates to the field of microscopes, in particular to an adjustable microscope.

Background

At present, the use of microscopes is more and more extensive, and the microscopes become necessary equipment in various laboratories, particularly chemical and biological enterprises, research institutes and the like.

Moreover, scientific researchers and experimenters have higher and higher requirements on microscopes and the magnification times and the magnification precision; however, the conventional optical microscope is generally provided with only two or three objective lenses, generally 10X, 40X and 100X, and the magnification precision and magnification factor of the object are not enough, so that the requirements of users are difficult to meet, and the high-end electron microscope is too expensive.

In general, the larger the magnification of the objective lens, the longer the length of the objective lens, and the objective lens is easily touched and knocked by a slide or a stage when used.

And the lighting of the ordinary optical microscope is troublesome and difficult to adjust.

Disclosure of Invention

The invention aims to provide an adjustable microscope, which can meet the requirements of magnification precision and multiple times by arranging an objective turntable to bear a plurality of groups of objectives for switching use, a handheld rotating ring which can rotate relative to the objective turntable is arranged to play a role of protecting the objectives, a liftable objective table is arranged to replace the lifting of a lens barrel, a light source is arranged in an objective box body to replace a reflector, the lighting is better, and the adjustment is more convenient.

An adjustable microscope comprises a base station, a lens mechanism and an object stage, wherein the base station comprises a bearing shell, a substrate and a fixed rotating shaft, the bearing shell is fixedly connected to the substrate, and the fixed rotating shaft is fixedly connected to the bearing shell;

the lens mechanism comprises an objective lens turntable, an objective lens, a handheld rotating ring, a protective cover, a refraction lens barrel and an eyepiece lens, wherein the eyepiece lens is arranged at the upper end of the refraction lens barrel, the refraction lens barrel is fixedly connected with the protective cover, the protective cover is fixedly connected to a fixed rotating shaft and is rotationally connected with the objective lens turntable, the handheld rotating ring is rotationally connected outside the objective lens turntable, the objective lens is provided with a plurality of the objective lenses and is arranged at the lower end of the objective lens turntable at equal angles, and the objective lens turntable is rotationally connected with the fixed rotating;

the objective table includes year thing box, lift knob, flat shot-light, year thing board, front and back slide, left and right sides slide and spacing piece, it with bear shell sliding connection to carry the thing box, the lift knob rotates with bearing the shell to be connected to can control the lift of carrying the thing box, flat shot-light sets up the bottom in carrying the thing box, it is internal at the thing box to carry thing board fixed connection, front and back slide sliding connection is on carrying the thing board, left and right sides slide sliding connection is on front and back slide, spacing piece rotates to be connected on left and right sides slide.

Preferably, fixed rotating shaft upper end is equipped with protruding pivot, be equipped with marble and marble groove in the protruding pivot, the marble is located the marble inslot and is connected with the marble groove through the marble spring, the top in marble groove is equipped with the stopper.

Preferably, be equipped with button head slider, button head slider inside groove, ejector pin and ejector pin on the objective carousel and lead to the groove, button head slider sliding connection is in button head slider inside groove and through slider spring and button head slider inside groove connection, the ejector pin is located the logical inslot of ejector pin and fixed connection on button head slider, the ejector pin leads to the groove and cooperatees with the marble for the rotation of restriction objective carousel.

Preferably, the inboard of holding the circle is equipped with carousel groove and button head slider outer tank, the objective carousel is located the carousel inslot, and the button head slider outer tank cooperatees with the button head slider for the relative rotation of restriction objective carousel and holding the circle.

Preferably, be equipped with connecting rod, action wheel, drive wheel, ring gear, rotation sleeve and screw rod in bearing the shell, connecting rod fixed connection in the bottom of lift knob and with bear the shell and rotate and be connected, action wheel fixed connection in the connecting rod bottom and with the base plate rotate and be connected, action wheel and drive wheel meshing, drive wheel and ring gear meshing, ring gear fixed connection is outside rotating the sleeve, it is connected with the base plate rotation to rotate sleeve and drive wheel, screw rod threaded connection is in rotating the sleeve and the top fixed connection of screw rod is at the lower extreme of carrying the thing box.

Preferably, the object carrying plate is provided with a front and rear slide block groove and an object carrying plate lighting hole, the front and rear slide block lighting hole, the left and right slide block groove and the left and right slide block groove are arranged on the front and rear slide block, the front and rear slide block is positioned in the front and rear slide block groove and is in sliding connection with the front and rear slide block groove, the left and right slide block is provided with a left and right slide block and a left and right slide block lighting hole, and the left and right slide block is positioned in the left and right slide block groove.

Preferably, a brightness adjusting knob capable of adjusting the brightness of the flat spotlight is further arranged on the bearing shell.

Preferably, a layer of buffer cotton is arranged on the outer side of the carrying box body.

The invention has the advantages that: the objective turntable is arranged to bear multiple groups of objectives for switching use, the requirements of amplification precision and multiple are met, the handheld rotating ring capable of rotating relative to the objective turntable is arranged to play a role of protecting the objectives, the liftable objective table is arranged to replace the lifting of the lens barrel, the light source is arranged in the objective box body to replace the reflector, the lighting is better, and the adjustment is more convenient.

Drawings

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

FIG. 2 is a schematic view of the structure of the lens mechanism of the apparatus of the present invention;

FIG. 3 is a schematic diagram of the objective turntable of the apparatus of the present invention;

FIG. 4 is a schematic structural view of a fixed shaft in the apparatus of the present invention;

FIG. 5 is a cross-sectional view of the objective turret in the apparatus of the present invention;

FIG. 6 is a schematic view of a hand-held swivel in the apparatus of the present invention;

FIG. 7 is a schematic view of the structure of the carrier stage of the apparatus of the present invention;

FIG. 8 is a schematic view of the structure of the carrier case of the apparatus of the present invention;

FIG. 9 is an internal cross-sectional view of the carrier housing of the apparatus of the present invention;

FIG. 10 is an exploded view of the carrier plate, front and rear slides, and left and right slides of the apparatus of the present invention;

FIG. 11 is a schematic view of the structure of the ball portion of the device of the present invention;

wherein, 1, base station, 10, bearing shell, 11, base plate, 12, fixed rotating shaft, 120, protruding rotating shaft, 121, marble, 122, marble groove, 123, marble spring, 124, limit block, 2, lens mechanism, 20, objective turntable, 200, round-head slider, 201, round-head slider inner groove, 202, slider spring, 203, ejector rod, 204, ejector rod through groove, 21, objective lens, 22, hand-held rotating ring, 220, turntable groove, 221, round-head slider outer groove, 23, shield, 24, refraction lens barrel, 25, eyepiece 3, objective table, 30, carrying box, 31, lifting knob, 310, connecting rod, 311, driving wheel, 312, driving wheel, 313, gear ring, 314, rotating sleeve, 315, screw, 32, flat spotlight, 320, brightness adjusting knob, 33, carrying plate, 330, front and back slider groove, 331, carrying plate lighting hole, 34, front and back, sliding plate, 340, front and back slider, 341, and front and back slider, Front and back slide lighting holes 342, left and right slide grooves 343, left and right slide grooves 35, left and right slides 350, left and right slides 351, left and right slide lighting holes 36, and a limit piece.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.

As shown in fig. 1 to 11, an adjustable microscope includes a base 1, a lens mechanism 2 and an object stage 3, wherein the base 1 includes a bearing housing 10, a substrate 11 and a fixed rotating shaft 12, the bearing housing 10 is fixedly connected to the substrate 11, and the fixed rotating shaft 12 is fixedly connected to the bearing housing 10;

the lens mechanism 2 comprises an objective lens turntable 20, an objective lens 21, a handheld rotating ring 22, a shield 23, a refraction lens barrel 24 and an eyepiece lens 25, wherein the eyepiece lens 25 is arranged at the upper end of the refraction lens barrel 24, the refraction lens barrel 24 is fixedly connected with the shield 23, the shield 23 is fixedly connected to a fixed rotating shaft 12 and is rotatably connected with the objective lens turntable 20, the handheld rotating ring 22 is rotatably connected outside the objective lens turntable 20, the objective lens 21 is provided with a plurality of lenses and is arranged at the lower end of the objective lens turntable 20 at equal angles, and the objective lens turntable 20 is rotatably connected with the fixed rotating shaft 12; the bottom of the objective turntable 20 is provided with several groups of objective lenses 21, including but not limited to 4X, 10X, 20X, 40X, 100X, 200X, the positions of the ocular lens 25 and the refraction lens barrel 24 are fixed, and the objective lenses 21 are switched to be used according to the needs.

Objective table 3 is including carrying thing box 30, lift knob 31, flat shot lamp 32, year thing board 33, front and back slide 34, controlling slide 35 and spacing piece 36, carry thing box 30 and bearing housing 10 sliding connection, lift knob 31 rotates with bearing housing 10 to can control the lift of carrying thing box 30, flat shot lamp 32 sets up the bottom in carrying thing box 30, carry thing board 33 fixed connection in carrying thing box 30, front and back slide 34 sliding connection is on carrying thing board 33, control slide 35 sliding connection is on front and back slide 34, spacing piece 36 rotates to be connected on controlling slide 35. The lifting knob 31 controls the lifting of the object carrying box body 30 to replace the lifting of the lens barrel; the carrying box body 30 is internally provided with a flat spot lamp 32 serving as a light source; the front and rear sliding plates 34, the left and right sliding plates 35 and the limiting pieces 36 can horizontally adjust the position of the slide glass, so that the slide glass is convenient to observe.

Fixed shaft 12 upper end is equipped with protruding pivot 120, be equipped with marble 121 and marble groove 122 on the protruding pivot 120, marble 121 is located marble groove 122 and is connected with marble groove 122 through marble spring 123, the top in marble groove 122 is equipped with stopper 124. The marble 121 plays a role in positioning and limiting the objective turntable 20, when the objective turntable 2 is rotated to switch the objective lens 21, when a certain objective lens 21 is positioned on the left and right sliding plates 35 on the object loading box 30, the marble 121 can be clamped into the ejector rod through groove 204 to clamp the objective turntable 20 (can be separated by force), and at the moment, the position of the objective lens 21 can be fixed and cannot swing.

The objective turntable 20 is provided with a round-head slider 200, a round-head slider inner groove 201, a push rod 203 and a push rod through groove 204, the round-head slider 200 is connected in the round-head slider inner groove 201 in a sliding manner and is connected with the round-head slider inner groove 201 through a slider spring 202, the push rod 203 is located in the push rod through groove 204 and is fixedly connected to the round-head slider 200, and the push rod through groove 204 is matched with the marble 121 and used for limiting the rotation of the objective turntable 20. The round-head slider 200 is matched with the round-head slider outer groove 221, so that the objective turntable 20 and the handheld rotating ring 22 are relatively fixed (can be separated under stress), and the objective turntable 20 can be rotated to switch the objective 21 by rotating the handheld rotating ring 22 by hands;

meanwhile, when the marble 121 is clamped in the ejector rod through groove 204, the marble 121 itself plays a role of ejecting the ejector rod 203, the objective turntable 20 is rotated to switch the objective 21, and when the marble 121 does not slide into the marble groove 122, the ball slider 200 cannot slide into the ball slider internal groove 201, that is, the objective turntable 20 and the hand-held rotating ring 22 cannot rotate relatively (when switching the objective, the objective turntable 20 is clamped by the marble 121, and the hand-held rotating ring 22 rotates relatively). After the marble 121 slides into the marble groove 122, the objective lens turntable 20 can rotate again, and at this time, the round-head slider 200 still does not slide into the round-head slider inner groove 201 under the action of the slider spring 202, that is, the objective lens turntable 20 and the hand-held turret 22 still do not rotate relatively.

Hold the inboard of circle 22 and be equipped with carousel groove 220 and button head slider outer tank 221, objective carousel 20 is located carousel groove 220, and button head slider outer tank 221 cooperatees with button head slider 200 for the relative rotation of restriction objective carousel 20 with hold circle 22. Because the objective lenses 21 are different in length, when the objective lenses 21 are switched, if the objective lenses 21 are accidentally touched with the object carrying box body 30, the ball-end slider 200 slides into the ball-end slider inner groove 201 under stress, at the moment, the holding rotating ring 22 rotates relative to the objective lens rotating disc 20, and the objective lenses 21 are prevented from being seriously collided with the object carrying box body 30 (the objective lenses 21 are prevented from being damaged by excessive force).

A connecting rod 310, a driving wheel 311, a driving wheel 312, a gear ring 313, a rotating sleeve 314 and a screw 315 are arranged in the bearing shell 10, the connecting rod 310 is fixedly connected to the bottom of the lifting knob 31 and rotatably connected with the bearing shell 10, the driving wheel 311 is fixedly connected to the bottom of the connecting rod 310 and rotatably connected with the base plate 11, the driving wheel 311 is meshed with the driving wheel 312, the driving wheel 312 is meshed with the gear ring 313, the gear ring 313 is fixedly connected to the outside of the rotating sleeve 314, the rotating sleeve 314 and the driving wheel 312 are rotatably connected with the base plate 11, the screw 315 is in threaded connection with the rotating sleeve 314, and the top of the screw 315 is fixedly connected to the lower end. The elevation knob 31 controls the elevation of the carrier case 30 instead of the elevation of the lens barrel.

The loading plate 33 is provided with a front and rear slider groove 330 and a loading plate lighting hole 331, the front and rear sliding plate 34 is provided with a front and rear slider 340, a front and rear sliding plate lighting hole 341, a left and right sliding plate groove 342 and a left and right slider groove 343, the front and rear slider 340 is positioned in the front and rear slider groove 330 and is slidably connected with the front and rear slider groove 330, the left and right sliding plate 35 is provided with a left and right slider 350 and a left and right sliding plate lighting hole 351, and the left and right slider 350 is positioned in the left and right sliding plate groove 342 and is slidably connected with the left and right sliding plate. The object plate lighting hole 331 on the object plate 33 is largest; the lighting holes 341 of the front and rear sliding plates are oval, and the area is the second order; the area of the lighting hole 351 of the left and right sliding plates is the smallest. The front and rear sliding plates 34 move backwards, and the left and right sliding plates 35 move leftwards and rightwards (the static friction is large, and the glass slide cannot shake without external force), so that the horizontal position of the glass slide is adjusted.

The bearing housing 10 is further provided with a brightness adjusting knob 320 capable of adjusting the brightness of the flat lamp 32. The brightness adjusting knob 320 adjusts the brightness of the flat spot lamp 32, so that the lighting is more suitable and the observation is clearer.

A layer of buffer cotton is arranged on the outer side of the carrying box body 30. The buffer cotton plays a role of buffer protection when the objective lens 21 collides with the carrying case body 30.

The specific implementation mode and principle are as follows:

when the product is used, a proper objective lens 21 is selected, the object carrying box body 30 is lowered to the minimum (the objective lens 21 is prevented from colliding with the object carrying box body 30) through the lifting knob 31, the objective lens rotating disc 20 is rotated through the handheld rotating ring 22, the selected objective lens 21 is rotated to the position right above the object carrying box body 30, the marble 121 is clamped into the ejector rod through groove 204 at the moment, the objective lens rotating disc 20 is clamped (the marble is separated with force), and the position of the objective lens 21 is fixed and cannot swing at the moment;

then will carry thing box body 30 to rise the position of being convenient for observe through lift knob 31 and observe, simultaneously, can be through the back-and-forth movement of front and back slide 34, left and right sides slide 35 moves about (static friction is great, can not rock when having no external force), carries out the horizontal position control of slide glass, adjusts the luminance of flat shot lamp 32 through luminance adjust knob 320 at last, and daylighting is more suitable, observes more clearly.

When switching the objective lens 21, the marble 121 slides into the marble groove 122 under force, the objective lens turntable 20 can rotate again, and when the marble 121 is clamped into the ejector rod through groove 204, the marble 121 itself plays a role of ejecting the ejector rod 203, at this time, the objective lens turntable 20 is rotated to switch the objective lens 21, when the marble 121 does not slide into the marble groove 122, the round-head slider 200 cannot slide into the round-head slider inner groove 201, that is, the objective lens turntable 20 and the hand-held rotating ring 22 cannot rotate relatively (when switching the objective lens is avoided, the objective lens turntable 20 is clamped by the marble 121, and the hand-held rotating ring 22 rotates relatively). When the marble 121 slides into the marble groove 122, the objective turntable 20 can rotate again, and at this time, the round-head slider 200 still cannot slide into the round-head slider inner groove 201 under the action of the slider spring 202, that is, the objective turntable 20 and the hand-held rotating ring 22 still cannot rotate relatively;

due to the fact that the length of the objective lens 21 is different, when the objective lens 21 is switched, if the objective lens 21 is accidentally touched with the object carrying box body 30 (the object carrying box body 30 is not lowered to the minimum as required), the round-head slider 200 slides into the round-head slider inner groove 201 under stress, at the moment, the hand-held rotating ring 22 rotates relative to the objective lens rotating disc 20, and the objective lens 21 is prevented from being seriously collided with the object carrying box body 30 (the objective lens 21 is prevented from being damaged by excessive force).

Based on the above, the objective turntable is arranged to bear multiple groups of objectives for switching use, the requirements of amplification precision and multiple times are met, the handheld rotating ring capable of rotating relative to the objective turntable is arranged to play a role in protecting the objectives, the liftable objective table is arranged to replace the lifting of the lens barrel, the light source is arranged in the objective box body to replace the reflector, the lighting is better, and the adjustment is more convenient.

It will be appreciated by those skilled in the art that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The embodiments disclosed above are therefore to be considered in all respects as illustrative and not restrictive. All changes which come within the scope of or equivalence to the invention are intended to be embraced therein.

Claims

1. An adjustable microscope is characterized by comprising a base platform (1), a lens mechanism (2) and an object stage (3), wherein the base platform (1) comprises a bearing shell (10), a base plate (11) and a fixed rotating shaft (12), the bearing shell (10) is fixedly connected to the base plate (11), and the fixed rotating shaft (12) is fixedly connected to the bearing shell (10);

the lens mechanism (2) comprises an objective turntable (20), an objective lens (21), a handheld rotating ring (22), a protective cover (23), a refraction lens barrel (24) and an ocular lens (25), wherein the ocular lens (25) is arranged at the upper end of the refraction lens barrel (24), the refraction lens barrel (24) is fixedly connected with the protective cover (23), the protective cover (23) is fixedly connected onto a fixed rotating shaft (12) and is rotatably connected with the objective turntable (20), the handheld rotating ring (22) is rotatably connected outside the objective turntable (20), the objective lens (21) is provided with a plurality of lenses and is arranged at the lower end of the objective turntable (20) at equal angles, and the objective lens turntable (20) is rotatably connected with the fixed rotating shaft (12);

the object carrying platform (3) comprises an object carrying box body (30), a lifting knob (31), a flat spot lamp (32), an object carrying plate (33), a front sliding plate, a rear sliding plate (34), a left sliding plate, a right sliding plate (35) and a limiting sheet (36), wherein the object carrying box body (30) is in sliding connection with the bearing shell (10), the lifting knob (31) is in rotating connection with the bearing shell (10) and can control the lifting of the object carrying box body (30), the flat spot lamp (32) is arranged at the inner bottom of the object carrying box body (30), the object carrying plate (33) is fixedly connected in the object carrying box body (30), the front sliding plate and the rear sliding plate (34) are in sliding connection with the object carrying plate (33), the left sliding plate and the right sliding plate (35) are in sliding connection with the front sliding plate and the rear sliding plate (34), and;

the utility model discloses a marble lifting device, including fixed pivot (12), protruding pivot (120) is equipped with on protruding pivot (120), be equipped with marble (121) and marble groove (122) on protruding pivot (120), marble (121) are located marble groove (122) and are connected with marble groove (122) through marble spring (123), the top in marble groove (122) is equipped with stopper (124), be equipped with connecting rod (310), action wheel (311), drive wheel (312), ring gear (313), rotating sleeve (314) and screw rod (315) in bearing shell (10), connecting rod (310) fixed connection is in the bottom of lift knob (31) and is connected with bearing shell (10) rotation, action wheel (311) fixed connection is in connecting rod (310) bottom and is connected with base plate (11) rotation, action wheel (311) and drive wheel (312) meshing, drive wheel (312) and ring gear (313) meshing, the gear ring (313) is fixedly connected outside the rotating sleeve (314), the rotating sleeve (314) and the driving wheel (312) are rotatably connected with the base plate (11), the screw (315) is in threaded connection with the inside of the rotating sleeve (314), and the top of the screw (315) is fixedly connected with the lower end of the carrying case body (30).

2. The adjustable microscope of claim 1, wherein: be equipped with button head slider (200), button head slider inside groove (201), ejector pin (203) and ejector pin through groove (204) on objective carousel (20), button head slider (200) sliding connection is connected with button head slider inside groove (201) in button head slider inside groove (201) and through slider spring (202), ejector pin (203) are located ejector pin through groove (204) and fixed connection on button head slider (200), ejector pin through groove (204) cooperate with marble (121) for the rotation of restriction objective carousel (20).

3. The adjustable microscope of claim 2, wherein: hold the inboard of circle (22) and be equipped with carousel groove (220) and button head slider outer groove (221), objective carousel (20) are located carousel groove (220), and button head slider outer groove (221) cooperatees with button head slider (200) for the relative rotation of restriction objective carousel (20) and hand circle (22).

4. The adjustable microscope of claim 1, wherein: slide block groove (330) and year thing board daylighting hole (331) around being equipped with on year thing board (33), be equipped with slider (340) around on preceding and following slide plate (34), slide plate daylighting hole (341) around, slide plate groove (342) and control slide block groove (343), slider (340) are located around and slide block groove (330) and with slide block groove (330) sliding connection around, be equipped with slider (350) and slide plate daylighting hole (351) about and on the slide plate (35) about and, slider (350) are located about and slide plate groove (342) sliding connection about and.

5. The adjustable microscope of claim 1, wherein: the bearing shell (10) is also provided with a brightness adjusting knob (320) capable of adjusting the brightness of the flat spotlight (32).

6. The adjustable microscope of claim 1, wherein: a layer of buffer cotton is arranged on the outer side of the carrying box body (30).