CN110187488A - A kind of optical microscopy - Google Patents
A kind of optical microscopy Download PDFInfo
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- CN110187488A CN110187488A CN201910483628.4A CN201910483628A CN110187488A CN 110187488 A CN110187488 A CN 110187488A CN 201910483628 A CN201910483628 A CN 201910483628A CN 110187488 A CN110187488 A CN 110187488A
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- 238000000399 optical microscopy Methods 0.000 title claims abstract description 18
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 48
- 230000003287 optical effect Effects 0.000 claims abstract description 40
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 28
- 229910052802 copper Inorganic materials 0.000 claims description 28
- 239000010949 copper Substances 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 4
- 238000006243 chemical reaction Methods 0.000 claims description 3
- 241001465754 Metazoa Species 0.000 claims description 2
- 238000005286 illumination Methods 0.000 claims description 2
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 3
- 230000009466 transformation Effects 0.000 description 2
- 241001124569 Lycaenidae Species 0.000 description 1
- 235000014987 copper Nutrition 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/02—Objectives
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/36—Microscopes arranged for photographic purposes or projection purposes or digital imaging or video purposes including associated control and data processing arrangements
- G02B21/361—Optical details, e.g. image relay to the camera or image sensor
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/36—Microscopes arranged for photographic purposes or projection purposes or digital imaging or video purposes including associated control and data processing arrangements
- G02B21/364—Projection microscopes
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- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
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- Microscoopes, Condenser (AREA)
- Lens Barrels (AREA)
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Abstract
A kind of optical microscopy belongs to optical technical field, including Microscope base, microscope handel, objective table, objective optic, head housing, projection screen, focusing handwheel, reflective mirror A, reflective mirror B, ratch;Objective optic fixed group objective holder, rear fixed group objective lenses, preceding group of objective lenses A, preceding group of objective lenses B, preceding group of objective lenses C, preceding group of objective lenses D, the big pedestal object lens seat of honour, objective changer, rotating mask, screw after including;The beneficial effects of the present invention are: microscope height is reduced to 2/5 original height, easy to carry;The angle of projection screen and horizontal plane is 72 degree, is watched convenient for observer;30X, 40X, 60X, 80X object lens share the same rear fixed group eyeglass, are equivalent to 30X, 40X, 60X, 80X object lens and constitute the same object lens, this makes it possible to guarantee between multiplying power switching, the consistency at object lens center and accuracy, the stability of parfocalization.
Description
Technical field
The present invention is a kind of optical microscopy, in particular to a kind of optical microscopy belongs to optical technical field.
Background technique
Projection microscope generally uses one piece of reflective mirror, causes microscope whole height excessively high, and projection plate can only be in
Horizontal plane is parallel, is not easy to observer's viewing.
Microscopical object lens, the object lens of different multiplying are separately single parts, are switched by this component of converter again
Rate, thus it is difficult to ensure that the consistency at center and the accuracy of object lens parfocalization, stability, will improve components accordingly
Machining accuracy, promoted difficulty of processing.
Summary of the invention
The purpose of the present invention is for it is above-mentioned in the prior art, projection microscope excessive height, microscopical object lens are difficult
The consistency at guarantee center and accuracy, the defect of stability of object lens parfocalization, provide a kind of optical microscopy, can achieve
Make microscope height be reduced to 2/5 original height and object lens to guarantee between multiplying power switching, the consistency at object lens center and
Accuracy, the purpose of stability of parfocalization.
To achieve the goals above the technical solution adopted by the present invention is that: a kind of optical microscopy, abbreviation microscope, including
Microscope base, microscope handel, objective table, objective optic, head housing, projection screen and focusing handwheel;It is described micro-
The setting of mirror handel is fixedly connected in Microscope base rear upper, with Microscope base rear portion, and the objective table is arranged micro-
Above mirror pedestal front;Microscope handel includes lead arm, and the head housing is arranged on microscope top, microscope handel
Side, the projection screen are arranged in front of the housing of head, and the focusing handwheel is arranged in objective optic two sides;The object lens light
It learns and fixes group objective holder, rear fixed group objective lenses, preceding group of objective lenses after device includes, before the preceding group objective lenses include
Group objective lenses A, preceding group of objective lenses B, preceding group of objective lenses C, preceding group of objective lenses D;Fixed group objective holder setting after described
Above position, be arranged downward, rear fixed group objective lenses after being mounted below fixed group objective holder are fixedly connected, object lens light
Device is learned to be arranged below lead arm;
It further include reflective mirror A, reflective mirror B and ratch;Reflective mirror A, reflective mirror B and projection screen are rectangle, projection screen
Area be greater than the area of reflective mirror B, the area of reflective mirror B is greater than the area of reflective mirror A;Reflective mirror A is angularly disposed in object lens
Above Optical devices, the reflective mirror B setting is arranged in head housing rear, vertical direction, the projection screen it is angularly disposed
Microscope front upper place;
Objective optic further includes the big pedestal object lens seat of honour, objective changer, rotating mask and screw;The big pedestal object
The mirror seat of honour is structure as a whole, including plush copper under big pedestal, objective tube, center;The big pedestal is circle, and big pedestal includes annular
Groove and through-hole;The annular groove setting is in big pedestal lower part, and the through-hole setting is in big pedestal side, rear fixed group object lens
Below eyeglass, rear fixed group objective lenses and through-hole upper and lower corresponding;The objective tube is arranged above big pedestal side, object lens
Cylinder lower end is connected with big pedestal;Fixed group objective holder periphery is provided with external screw thread afterwards, and objective tube upper end inside is provided with and object lens
The internal screw thread that seat outer periphery threads match, rear fixed group objective holder are threadedly coupled mutually with objective tube upper end;
The objective changer is structure as a whole including objective changer main body, annular plush copper, centre bore, preceding group of rotation
Objective holder A, preceding group of rotation objective holder B, preceding group of rotation objective holder C, preceding group of rotation objective holder D;The objective changer main body is in
Circle, the annular plush copper setting match in objective changer body top, annular plush copper and the annular groove of big pedestal, greatly
Pedestal by annular groove, be movably socketed in annular plush copper, make big pedestal and objective changer pass through annular tongue and
Annular groove can mutually rotate;Plush copper matches under the size of the centre bore and center, and plush copper is plugged on centre bore under center
Interior, clearance fit each other, objective changer can be using plush coppers under center as axis rotation by centre bore;By preceding group of objective lenses A,
Preceding group of objective lenses B, preceding group of objective lenses C, preceding group of objective lenses D are separately mounted to preceding group of rotation objective holder A, preceding group of rotation object
Microscope base B, preceding group of rotation objective holder C, in preceding group of rotation objective holder D;
Group objective lenses are arranged below objective changer before described, are the working position of preceding group of objective lenses below through-hole
It sets, by the rotation of objective changer, any one objective lenses of preceding group of objective lenses can be transferred to operating position;Preceding group of object lens
It is provided with object plane below the operating position of eyeglass, the object plane, the operating position of preceding group of objective lenses and a rear fixed group object lens mirror
Piece designs in same vertical direction;
The object lens multiplying power handover operation process of objective optic: when turning rotating mask by hand clockwise, preceding group
Rotation objective holder A, preceding group of rotation objective holder B, preceding group of rotation objective holder C, preceding group of rotation objective holder D successively pass through preceding group of object lens mirror
Piece operating position, when counterclockwise turning rotating mask by hand, preceding group of rotation objective holder D, preceding group of rotation objective holder C, preceding group
Rotation objective holder B, preceding group of rotation objective holder A successively pass through preceding group of objective lenses operating position, make preceding group of objective lenses A, preceding group
Objective lenses B, preceding group of objective lenses C, preceding group of objective lenses D respectively with rear fixed group objective lenses composition A objective lens optical system,
B objective lens optical system, C objective lens optical system, D objective lens optical system;Fixed group objective lenses become general eyeglass afterwards, as long as
Objective lenses are organized before transformation, can achieve the purpose that preceding group of objective lenses conversion and the switching of object lens multiplying power;
It is placed with object plane on objective table, forms image planes on projection screen;From object plane reflection light vertically upward, pass sequentially through before
Group objective lenses and rear fixed group objective lenses, are further continued for up to reflective mirror A;Reflective mirror A again diagonally backward on reflect, arrive
Up to reflective mirror B;Reflective mirror B oblique reflection upper forward, arrival projection screen again, and full of the entire projection plate on projection screen;Rotation
Cover is fixedly connected with objective changer.
The reflective mirror A is tilted backwards and the angle of horizontal direction is 57 °, the angle of the reflective mirror B and horizontal direction
It is 90 °, the projection screen tilts backwards and the angle of horizontal direction is 72 °.
Angle of the center line of object plane reflection light on reflective mirror A, between incident ray and reflected ray is 114 °, and object plane is anti-
Penetrating angle of the center line of light on reflective mirror B, between incident ray and reflected ray is 42 °, the center line of object plane reflection light
Angle on projection screen, between incident ray and projection panel is 90 °.
Side is fixedly installed eyeglass folder in the middle part of the reflective mirror A and reflective mirror B, can play to reflective mirror A and reflective mirror B
Grip effect.
The ratch side is provided with ratch cutting ferrule, can play positioning action to ratch.
Lighting source, battery settling groove, light source switch are provided in the Microscope base, the lighting source setting exists
Below object plane, the light source switch is electrically connected with lighting source and battery settling groove.
The effective reflecting surface of the reflective mirror A is 45mmX62mm, and reflective mirror B effective reflecting surface is 80mmX110mm, projection
The effective perspective plane of plate is 122mmX164mm.
Spring eye is provided below in the big pedestal object lens seat of honour side, is provided with annular concave platform above objective changer,
Spring and locking ball are provided in the spring eye, the locking ball is arranged below spring, above annular concave platform;Work as object
When mirror changeover panel is rotated relative to the big pedestal object lens seat of honour, locking ball is rolled along annular concave platform.
Preceding group of objective lenses A, preceding group of objective lenses B, preceding group of objective lenses C, preceding group of objective lenses D are respectively group before 30X
Objective lenses are organized before organizing objective lenses, 80X before group objective lenses, 60X before objective lenses, 40X;Preceding group of rotation objective holder A, preceding group
Rotation objective holder B, preceding group of rotation objective holder C, preceding group of rotation objective holder D are respectively that group turns before group rotation objective holder, 40X before 30X
Group rotation objective holder before group rotation objective holder, 80X before animal microscope base, 60X;A objective lens optical system, B objective lens optical system, C object
Mirror optical system, D objective lens optical system are respectively 30X objective lens optical system, 40X objective lens optical system, 60X object lens optical system
System, 80X objective lens optical system;
Group objective lenses are in through-hole before organizing objective lenses, 80X before group objective lenses, 60X before group objective lenses, 40X before 30X
The high and low position of lower section is not identical, is followed successively by before 30X from low to high before organizing objective lenses, 60X before organizing objective lenses, 40X and organizes object
Objective lenses are organized before mirror eyeglass, 80X.
The rotating mask is structure as a whole, and rotating mask top is cylinder, and lower part is cone, and rotating mask side is provided with
It is fastenedly connected platform, described be fastenedly connected on platform is provided with threaded hole;The screw is screwed in threaded hole, rotating mask and object lens
Changeover panel by being fixedly connected of screw and threaded hole, tighten together;The cylinder outside design of the rotating mask rubs
Screw thread is wiped, convenient for manual operations, turns rotating mask;The objective tube leans under center and is provided with rack gear at the upper side of plush copper, described
The setting of rack gear vertical direction, the ratch are horizontally installed in lead arm, and ratch is engaged with rack, and ratch can drive in ratch
Under, it moves up and down, so that entire switchable type objective optic be driven to move up and down.
Compared with prior art, the beneficial effects of the present invention are:
1 ﹚ microscope height of ﹙ is reduced to 2/5 original height, easy to carry;The angle of projection screen and horizontal plane is 72
Degree is watched convenient for observer;
2 ﹚ 30X of ﹙, 40X, 60X, 80X object lens share the same rear fixed group eyeglass, and fixed group eyeglass is fixed after this
It on the object lens seat of honour, is maintained in complete machine optical path that position is constant, is equivalent to 30X, 40X, 60X, 80X object lens and constitutes the same object
Mirror, this makes it possible to guarantee between multiplying power switching, the consistency at object lens center and accuracy, the stability of parfocalization.
Detailed description of the invention
Fig. 1 is: main view of the present invention;
Fig. 2 is: left view cross-sectional view of the present invention;
Fig. 3 is: index path of the present invention;
Fig. 4 is: objective apparatus front sectional view;
Fig. 5 is: objective apparatus bottom view;
Fig. 6 is: big pedestal object lens seat of honour front sectional view;
Fig. 7 is: big pedestal object lens seat of honour bottom view;
Fig. 8 is: objective changer front sectional view;
Fig. 9 is: objective changer bottom view;
Figure 10 is: rotating mask front sectional view;
Figure 11 is: rotating mask bottom view;
Figure 12 is: the portion the A enlarged drawing of Fig. 4.
Description of symbols: rear fixed group objective holder 1, external screw thread 101, rear fixed group objective lenses 2, preceding group of objective lenses
A 3, preceding group of objective lenses B 4, preceding group of objective lenses C 5, preceding group of objective lenses D 6, the big pedestal object lens seat of honour 7, big pedestal
701, plush copper 703, annular groove 704, through-hole 705, objective changer 8, objective changer main body under objective tube 702, center
801, annular plush copper 802, preceding group of rotation objective holder A 803, preceding group of rotation objective holder B 804, preceding group of rotation objective holder C 805,
Preceding group of rotation objective holder D 806, centre bore 807, rotating mask 9, cone 901, platform 902, threaded hole 903, spiral shell are fastenedly connected
Nail 10, rack gear 11, spring 12, locking ball 13, Microscope base 14, microscope handel 15, lead arm 1501, objective table 16,
Object plane 1601, head housing 17, projection screen 18, image planes 1801, focusing handwheel 19, reflective mirror A 20, reflective mirror B 21, ratch
22, eyeglass presss from both sides 23, lighting source 24, battery settling groove 25, light source switch 26.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings and specific examples, but not as a limitation of the invention.
As shown in Figures 1 to 12, a kind of optical microscopy, abbreviation microscope, including Microscope base 14, microscope handel
15, objective table 16, objective optic, head housing 17, projection screen 18 and focusing handwheel 19;The microscope handel 15 is arranged
It is fixedly connected in 14 rear upper of Microscope base, with 14 rear portion of Microscope base, the objective table 16 is arranged at microscope bottom
Above 14 fronts of seat;Microscope handel 15 includes lead arm 1501, and the head housing 17 is arranged on microscope top, microscope
15 top of handel, the setting of projection screen 18 are arranged in 17 front of head housing, the focusing handwheel 19 in objective optic
Two sides;The objective optic fixed group objective holder 1, rear fixed group objective lenses 2, preceding group of objective lenses after including;It is described
Preceding group of objective lenses include preceding group of objective lenses A 3, preceding group of objective lenses B 4, preceding group of objective lenses C5, preceding group of objective lenses D
6;Fixed group objective holder 1 is disposed over position, is arranged downward after described, and rear fixed group objective lenses 2 fix group after being mounted on
1 lower section of objective holder is fixedly connected, and objective optic is arranged below lead arm 1501;
It further include reflective mirror A 20, reflective mirror B 21 and ratch 22;Reflective mirror A 20, reflective mirror B 21 and projection screen 18 are equal
For rectangle, the area of projection screen 18 is greater than the area of reflective mirror B 21, and the area of reflective mirror B 21 is greater than reflective mirror A's 20
Area;Reflective mirror A 20 is angularly disposed above objective optic, the reflective mirror B 21 setting 17 rear of head housing,
Vertical direction setting, the projection screen 18 are angularly disposed in microscope front upper place;
Objective optic further includes the big pedestal object lens seat of honour 7, objective changer 8, rotating mask 9 and screw 10;It is described big
The pedestal object lens seat of honour 7 is structure as a whole, including plush copper 703 under big pedestal 701, objective tube 702, center;The big pedestal 701 is
Circle, big pedestal 701 include annular groove 704 and through-hole 705;The annular groove 704 is arranged in big 701 lower part of pedestal, institute
The setting of through-hole 705 is stated below big 701 side of pedestal, rear fixed group objective lenses 2, rear fixed group objective lenses 2 and through-hole 705
Upper and lower corresponding;The objective tube 702 is arranged in big 701 1 upper side of pedestal, and 702 lower end of objective tube is connected with big pedestal 701;
Fixed group 1 periphery of objective holder is provided with external screw thread 101 afterwards, is provided with and objective holder outer periphery threads phase on the inside of 702 upper end of objective tube
Matched internal screw thread, rear fixed group objective holder 1 are threadedly coupled mutually with 702 upper end of objective tube;
The objective changer 8 is structure as a whole including objective changer main body 801, annular plush copper 802, centre bore
807, preceding group of rotation objective holder A 803, preceding group of rotation objective holder B 804, preceding group of rotation objective holder C 805, preceding group of rotation object lens
Seat D 806;The objective changer main body 801 is rounded, and the annular plush copper 802 is arranged in objective changer main body 801
Portion, annular plush copper 802 and the annular groove 704 of big pedestal 701 match, and big pedestal 701 passes through annular groove 704, movable
Ground is socketed in annular plush copper 802, and big pedestal 701 is enable to pass through annular tongue and annular groove 704 mutually with objective changer 8
Rotation;Plush copper 703 matches under the size of the centre bore 807 and center, under center plush copper 703 be plugged in centre bore 807,
Clearance fit each other, objective changer 8 can be axis rotation with plush copper 703 under center by centre bore 807;By preceding group of object lens mirror
Piece A 3, preceding group of objective lenses B 4, preceding group of objective lenses C5, preceding group of objective lenses D 6 are separately mounted to preceding group of rotation objective holder A
803, preceding group of rotation objective holder B 804, preceding group of rotation objective holder C 805, in preceding group of rotation objective holder D 806;
The setting of group objective lenses is the work of preceding group of objective lenses below objective changer 8, below through-hole 705 before described
Any one objective lenses of preceding group of objective lenses can be transferred to operating position by the rotation of objective changer 8 by position;Preceding group
It is provided with object plane below the operating positions of objective lenses, the object plane, the operating position of preceding group of objective lenses and a rear fixed group object
Mirror eyeglass 2 designs in same vertical direction;
The object lens multiplying power handover operation process of objective optic: when turning rotating mask 9 by hand clockwise, preceding group
Rotate objective holder A 803, preceding group of rotation objective holder B 804, preceding group of rotation objective holder C 805, preceding group of rotation objective holder D 806 according to
It is secondary to pass through preceding group of objective lenses operating position, when counterclockwise turning rotating mask 9 by hand, preceding group of rotation objective holder D 806,
Preceding group of rotation objective holder C 805, preceding group of rotation objective holder B 804, preceding group of rotation objective holder A 803 successively pass through preceding group of object lens mirror
Piece operating position divides preceding group of objective lenses A 3, preceding group of objective lenses B 4, preceding group of objective lenses C5, preceding group of objective lenses D 6
A objective lens optical system, B objective lens optical system, C objective lens optical system, D object lens optics are not formed with rear fixed group objective lenses 2
System;Fixed group objective lenses 2 become general eyeglass afterwards, as long as organizing objective lenses before transformation, can reach preceding group of object lens mirror
The purpose of piece conversion and the switching of object lens multiplying power;
It is placed with object plane 1601 on objective table 16, forms image planes 1801 on projection screen 18;From object plane reflection light vertically to
Above, preceding group of objective lenses and a rear fixed group objective lenses 2 are passed sequentially through, are further continued for up to reflective mirror A 20;Reflective mirror A
20 upper reflections, arrival reflective mirror B 21 diagonally backward again;The oblique reflection upper forward, arrival projection screen 18 again of reflective mirror B 21, and
Full of the entire projection plate on projection screen 18, achieve the effect that large screen projection.
Rotating mask 9 is fixedly connected with objective changer 8.
The reflective mirror A 20 is tilted backwards and the angle α of horizontal direction is 57 °, the reflective mirror B 21 and level side
To angle β be 90 °, the projection screen 18 tilts backwards, is 72 ° with the angle γ of horizontal direction.
Angle theta of the center line of object plane reflection light on reflective mirror A 20, between incident ray and reflected ray is 114 °, object
Angle δ of the center line of face reflection light on reflective mirror B 21, between incident ray and reflected ray is 42 °, object plane reflection light
Angle ε of the center line on projection screen 18, between 18 face of incident ray and projection screen be 90 °.
The reflective mirror A 20 and the 21 middle part side reflective mirror B are fixedly installed eyeglass folder 23, can play to reflective mirror A
20 and reflective mirror B's 21 grips effect.
22 side of ratch is provided with 22 cutting ferrule of ratch, can play positioning action to ratch 22.
Lighting source 24, battery settling groove 25, light source switch 26, the illumination light are provided in the Microscope base 14
Source 24 is arranged below object plane, and the light source switch 26 is electrically connected with lighting source 24 and battery settling groove 25.
The effective reflecting surface of the reflective mirror A 20 is 45mmX62mm, and 21 effective reflecting surface of reflective mirror B is
80mmX110mm, the effective perspective plane of projection plate are 122mmX164mm.
12 hole of spring is provided below in big 7 side of the pedestal object lens seat of honour, and it is recessed that objective changer 8 is provided with annular above
Platform, is provided with spring 12 and locking ball 13 in 12 hole of spring, and the locking ball 13 is arranged below spring 12, annular
Above concave station;When objective changer 8 is rotated relative to the big pedestal object lens seat of honour 7, locking ball 13 is rolled along annular concave platform, bullet
Spring 12 can play a buffer role in.
Group objective lenses A 3, preceding group of objective lenses B 4, preceding group of objective lenses C5, preceding group of objective lenses D 6 divide before described
It Wei not organize before 30X and organize objective lenses before organizing objective lenses, 80X before organizing objective lenses, 60X before objective lenses, 40X;Preceding group of rotation
Objective holder A 803, preceding group of rotation objective holder B 804, preceding group of rotation objective holder C 805, preceding group of rotation objective holder D 806 are respectively
Group organizes group rotation objective holder before rotation objective holder, 80X before rotating objective holder, 60X before group rotation objective holder, 40X before 30X;A object lens
Optical system, B objective lens optical system, C objective lens optical system, D objective lens optical system are respectively 30X objective lens optical system, 40X object
Mirror optical system, 60X objective lens optical system, 80X objective lens optical system;
Group objective lenses are in through-hole before organizing objective lenses, 80X before group objective lenses, 60X before group objective lenses, 40X before 30X
The high and low position of 705 lower sections is not identical, is followed successively by before 30X from low to high before organizing objective lenses, 40X and organizes group before objective lenses, 60X
Objective lenses are organized before objective lenses, 80X.
The rotating mask 9 is structure as a whole, and 9 top of rotating mask is cylinder, and lower part is cone 901,9 side of rotating mask
It is provided with and is fastenedly connected platform 902, described be fastenedly connected on platform 902 is provided with threaded hole 903;The screw 10 is screwed in screw thread
In hole 903, rotating mask 9 and objective changer 8 by being fixedly connected of screw 10 and threaded hole 903, tighten together;Described turn
The cylinder outside design of dynamic cover 9 has friction screw thread, convenient for manual operations, turns rotating mask 9;During the objective tube 702 leans on
Rack gear 11,11 vertical direction of the rack gear setting, before the ratch 22 is horizontally installed on are provided under the heart at the upper side of plush copper 703
In semi-girder 1501, ratch 22 is engaged with rack gear 11, and ratch 22 can move up and down, entirely may be used to drive under the drive of ratch 22
Suitching type objective optic moves up and down.
Embodiment described above, the only present invention more preferably embodiment, those skilled in the art is in the present invention
The usual variations and alternatives carried out in technical proposal scope should be all included within the scope of the present invention.
Claims (10)
1. a kind of optical microscopy, abbreviation microscope, including Microscope base, microscope handel, objective table, object lens optics dress
It sets, head housing, projection screen and focusing handwheel;The microscope handel is arranged in Microscope base rear upper and microscope
Base rear portion is fixedly connected, and the objective table is arranged on Microscope base front;Microscope handel includes lead arm, described
Head housing is arranged above microscope top, microscope handel, and the projection screen is arranged in front of the housing of head, the focusing
Handwheel is arranged in objective optic two sides;The objective optic fixed group objective holder, rear fixed group object lens mirror after including
Piece, preceding group of objective lenses, organizing objective lenses before described includes preceding group of objective lenses A, preceding group of objective lenses B, preceding group of objective lenses
C, preceding group of objective lenses D;Fixed group objective holder is disposed over position, is arranged downward after described, rear fixed group objective lenses peace
It fixes below group objective holder, be fixedly connected after being mounted in, objective optic is arranged below lead arm, it is characterised in that:
It further include reflective mirror A, reflective mirror B and ratch;Reflective mirror A, reflective mirror B and projection screen are rectangle, the face of projection screen
Product is greater than the area of reflective mirror B, and the area of reflective mirror B is greater than the area of reflective mirror A;Reflective mirror A is angularly disposed in object lens optics
Above device, the reflective mirror B setting is arranged in head housing rear, vertical direction, and the projection screen is angularly disposed micro-
Mirror front upper place;
Objective optic further includes the big pedestal object lens seat of honour, objective changer, rotating mask and screw;The big pedestal object lens master
Seat is structure as a whole, including plush copper under big pedestal, objective tube, center;The big pedestal is circle, and big pedestal includes annular groove
And through-hole;The annular groove setting is in big pedestal lower part, and the through-hole setting is in big pedestal side, rear fixed group objective lenses
Lower section, rear fixed group objective lenses and through-hole upper and lower corresponding;The objective tube is arranged above big pedestal side, under objective tube
End is connected with big pedestal;A fixed group objective holder periphery is provided with external screw thread afterwards, be provided on the inside of objective tube upper end with outside objective holder
The internal screw thread that screw thread matches is enclosed, rear fixed group objective holder is threadedly coupled mutually with objective tube upper end;
The objective changer is structure as a whole including objective changer main body, annular plush copper, centre bore, preceding group of rotation object lens
Seat A, preceding group of rotation objective holder B, preceding group of rotation objective holder C, preceding group of rotation objective holder D;The objective changer main body is rounded,
The annular plush copper setting matches in objective changer body top, annular plush copper and the annular groove of big pedestal, big pedestal
It by annular groove, is movably socketed in annular plush copper, big pedestal and objective changer is made to pass through annular tongue and annular
Groove can mutually rotate;Plush copper matches under the size of the centre bore and center, and plush copper is plugged in centre bore, mutually under center
For clearance fit, objective changer can be using plush copper under center as axis rotation by centre bore;By preceding group of objective lenses A, preceding group
Objective lenses B, preceding group of objective lenses C, preceding group of objective lenses D are separately mounted to preceding group of rotation objective holder A, preceding group of rotation objective holder
B, in preceding group of rotation objective holder C, preceding group of rotation objective holder D;
Group objective lenses are arranged below objective changer before described, are the operating position of preceding group of objective lenses below through-hole, lead to
The rotation of objective changer is crossed, any one objective lenses of preceding group of objective lenses can be transferred to operating position;Preceding group of objective lenses
Operating position below be provided with object plane, the object plane, the operating position of preceding group of objective lenses and a rear fixed group objective lenses are set
Meter is in same vertical direction;
The object lens multiplying power handover operation process of objective optic: when turning rotating mask by hand clockwise, preceding group of rotation
Objective holder A, preceding group of rotation objective holder B, preceding group of rotation objective holder C, preceding group of rotation objective holder D successively pass through preceding group of objective lenses work
Make position, when counterclockwise turning rotating mask by hand, preceding group of rotation objective holder D, preceding group of rotation objective holder C, preceding group of rotation
Objective holder B, preceding group of rotation objective holder A successively pass through preceding group of objective lenses operating position, make preceding group of objective lenses A, preceding group of object lens
Eyeglass B, preceding group of objective lenses C, preceding group of objective lenses D form A objective lens optical system, B object with rear fixed group objective lenses respectively
Mirror optical system, C objective lens optical system, D objective lens optical system;Fixed group objective lenses become general eyeglass afterwards, as long as becoming
Preceding group of objective lenses are changed, can achieve the purpose that preceding group of objective lenses conversion and the switching of object lens multiplying power;
It is placed with object plane on objective table, forms image planes on projection screen;From object plane reflection light vertically upward, pass sequentially through preceding group of object
Mirror eyeglass and rear fixed group objective lenses, are further continued for up to reflective mirror A;Upper reflection, arrival are anti-diagonally backward again by reflective mirror A
Light microscopic B;Reflective mirror B oblique reflection upper forward, arrival projection screen again, and full of the entire projection plate on projection screen;Rotating mask and
Objective changer is fixedly connected.
2. a kind of optical microscopy according to claim 1, it is characterised in that: the reflective mirror A is tilted backwards and level
The angle in direction is 57 °, and the angle of the reflective mirror B and horizontal direction is 90 °, and the projection screen tilts backwards and level side
To angle be 72 °.
3. a kind of optical microscopy according to claim 1, it is characterised in that: the center line of object plane reflection light is reflective
Angle on mirror A, between incident ray and reflected ray is 114 °, the center line of object plane reflection light on reflective mirror B, incident ray with
Angle between reflected ray is 42 °, folder of the center line of object plane reflection light on projection screen, between incident ray and projection panel
Angle is 90 °.
4. a kind of optical microscopy according to claim 1, it is characterised in that: one in the middle part of the reflective mirror A and reflective mirror B
Side is fixedly installed eyeglass folder, can play the role of gripping reflective mirror A and reflective mirror B.
5. a kind of optical microscopy according to claim 1, it is characterised in that: the ratch side is provided with ratch card
Set, can play positioning action to ratch.
6. a kind of optical microscopy according to claim 1, it is characterised in that: be provided with illumination in the Microscope base
Light source, battery settling groove, light source switch, the lighting source are arranged below object plane, the light source switch and lighting source and
Battery settling groove electrical connection.
7. a kind of optical microscopy according to claim 1, it is characterised in that: the effective reflecting surface of the reflective mirror A is
45mmX62mm, reflective mirror B effective reflecting surface are 80mmX110mm, and the effective perspective plane of projection plate is 122mmX164mm.
8. a kind of optical microscopy according to claim 1, it is characterised in that: below the big pedestal object lens seat of honour side
It is provided with spring eye, annular concave platform is provided with above objective changer, spring and locking ball, institute are provided in the spring eye
Locking ball is stated to be arranged below spring, above annular concave platform;When objective changer is rotated relative to the big pedestal object lens seat of honour,
Locking ball is rolled along annular concave platform.
9. a kind of optical microscopy according to claim 1, it is characterised in that: preceding group of objective lenses A, preceding group of objective lenses
B, preceding group of objective lenses C, preceding group of objective lenses D are respectively to organize object before organizing objective lenses, 60X before organizing objective lenses, 40X before 30X
Objective lenses are organized before mirror eyeglass, 80X;Preceding group of rotation objective holder A, preceding group of rotation objective holder B, preceding group of rotation objective holder C, preceding group turn
Animal microscope base D is respectively group before group rotation objective holder, 80X before group rotation objective holder, 60X before group rotation objective holder, 40X before 30X
Rotate objective holder;A objective lens optical system, B objective lens optical system, C objective lens optical system, D objective lens optical system are respectively 30X object
Mirror optical system, 40X objective lens optical system, 60X objective lens optical system, 80X objective lens optical system;
Group objective lenses are below through-hole before organizing objective lenses, 80X before group objective lenses, 60X before group objective lenses, 40X before 30X
High and low position it is not identical, be followed successively by before 30X from low to high before organizing objective lenses, 60X before organizing objective lenses, 40X and organize object lens mirror
Objective lenses are organized before piece, 80X.
10. a kind of optical microscopy according to claim 1, it is characterised in that: the rotating mask is structure as a whole, rotation
Cover top is cylinder, and lower part is cone, and rotating mask side, which is provided with, is fastenedly connected platform, and described be fastenedly connected on platform sets
It is equipped with threaded hole;The screw is screwed in threaded hole, rotating mask and objective changer by being fixedly connected of screw and threaded hole,
It tightens together;The cylinder outside design of the rotating mask has friction screw thread, convenient for manual operations, turns rotating mask;Institute
It states objective tube and is provided with rack gear, the rack gear vertical direction setting at the upper side of plush copper under center, the ratch is laterally arranged
In lead arm, ratch is engaged with rack, and ratch can move up and down, under ratch drive to drive entire switchable type object
Mirror Optical devices move up and down.
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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KR19990002482A (en) * | 1997-06-20 | 1999-01-15 | 이대원 | An image microscope |
JP2003043374A (en) * | 2001-07-30 | 2003-02-13 | Olympus Optical Co Ltd | Microscope apparatus |
CN102591002A (en) * | 2012-03-17 | 2012-07-18 | 扬州骄逸科技实业有限公司 | Microscope with function of protecting objective lenses |
CN103913830A (en) * | 2014-03-16 | 2014-07-09 | 陈琳琳 | Cassette microscope |
CN209962003U (en) * | 2019-06-05 | 2020-01-17 | 宁波湛京光学仪器有限公司 | Optical microscope |
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2019
- 2019-06-05 CN CN201910483628.4A patent/CN110187488B/en active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR19990002482A (en) * | 1997-06-20 | 1999-01-15 | 이대원 | An image microscope |
JP2003043374A (en) * | 2001-07-30 | 2003-02-13 | Olympus Optical Co Ltd | Microscope apparatus |
CN102591002A (en) * | 2012-03-17 | 2012-07-18 | 扬州骄逸科技实业有限公司 | Microscope with function of protecting objective lenses |
CN103913830A (en) * | 2014-03-16 | 2014-07-09 | 陈琳琳 | Cassette microscope |
CN209962003U (en) * | 2019-06-05 | 2020-01-17 | 宁波湛京光学仪器有限公司 | Optical microscope |
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