CN219799881U - Condensing lens adjusting mechanism of microscope - Google Patents
Condensing lens adjusting mechanism of microscope Download PDFInfo
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- CN219799881U CN219799881U CN202321114463.1U CN202321114463U CN219799881U CN 219799881 U CN219799881 U CN 219799881U CN 202321114463 U CN202321114463 U CN 202321114463U CN 219799881 U CN219799881 U CN 219799881U
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- screw
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- condensing lens
- plate
- microscope
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- 230000007246 mechanism Effects 0.000 title claims abstract description 26
- 230000001105 regulatory effect Effects 0.000 claims abstract 9
- 125000003003 spiro group Chemical group 0.000 claims abstract 3
- 230000000694 effects Effects 0.000 description 3
- 230000008093 supporting effect Effects 0.000 description 3
- 230000003287 optical effect Effects 0.000 description 2
- 238000003384 imaging method Methods 0.000 description 1
Abstract
The utility model provides a microscope's condensing lens adjustment mechanism, includes the fixed plate, the top of fixed plate be provided with the regulating plate, the upside of regulating plate is provided with the condensing lens, is provided with the through-hole in the fixed plate, is provided with first screw hole in the regulating plate, is provided with first screw in the through-hole, the cover is equipped with a spring on the first screw, is provided with the second screw hole in the periphery of through-hole in the fixed plate, the spiro union has the second screw in the second screw hole. The first screw is screwed to drive the adjusting plate to move up and down, so that the condensing lens moves up and down; and the first screw is moved along the horizontal direction, and drives the adjusting plate to move along the horizontal direction to adjust the horizontal centering position of the condensing lens. And moving a plurality of second screws to adjust the perpendicularity of the light rays of the condensing lens and the sample. In summary, the condensing lens adjusting mechanism of the microscope combines two adjusting functions into one, has a simple structure and occupies a small space.
Description
Technical Field
The utility model relates to the field of physics, in particular to an optical microscopic imaging device, and particularly relates to a condensing lens adjusting mechanism of a microscope.
Background
The condenser lens is a very important component part of the optical microscope, and is used for focusing the light rays emitted by the microscope light source onto the sample to be observed through the combined convex lens so as to enhance the brightness and contrast of the sample and facilitate the better observation of the details of the sample. The optimal focusing effect is obtained by adjusting the distance between the focusing lens and the sample to be observed within the focal length range of the focusing lens so that the focal length provided by the focusing lens plays a role to the maximum extent. In order to achieve the best condensing effect, the condensing lens needs to be adjusted from two directions: 1. adjusting the distance between the condenser and the sample in the vertical up-down direction; 2. the perpendicularity of the light of the condenser lens with the sample is adjusted, and the centering of the condenser lens in the field of view is adjusted in the horizontal direction. The adjusting mechanisms of the condensing lenses in the prior art respectively comprise two independent mechanisms: one is an up-down adjusting mechanism and the other is a verticality and horizontal centering adjusting mechanism. The up-down adjusting mechanism usually adopts a structure such as a lifting frame or a sliding table, and the distance between the collecting lens and the sample is controlled by the collecting lens through the lifting frame to adjust the height. And the horizontal centering adjusting mechanism adjusts the annular ring fixing table through two nuts, and adjusts the condensing lens horizontally through mutual coordination of advancing and retreating of the rotating adjusting nuts. Therefore, the existing condensing lens adjusting mechanism comprises two independent adjusting mechanisms, more structural parts, more complexity and larger occupied space.
Disclosure of Invention
The utility model aims to provide a condensing lens adjusting mechanism of a microscope, which aims to solve the technical problems of more and more complex structure and larger occupied space of the condensing lens adjusting mechanism in the prior art.
The utility model relates to a condensing lens adjusting mechanism of a microscope, which comprises a fixed plate, wherein an adjusting plate is arranged above the fixed plate, a condensing lens is arranged on the upper side of the adjusting plate, a through hole is arranged in the fixed plate, a first threaded hole is arranged in the adjusting plate, the first threaded hole is positioned above the through hole, a first screw is arranged in the through hole, the diameter of the through hole is larger than that of the first screw, the upper end of the first screw is in threaded connection with the first threaded hole, a spring is sleeved on the first screw, two ends of the spring are respectively connected with the upper surface of the fixed plate and the lower surface of the adjusting plate, the spring upwards biases the adjusting plate, at least three second threaded holes are arranged in the periphery of the through hole in the fixed plate, a second screw is in threaded connection with each of the second threaded holes, and the upper end of the second screw is in contact with the lower surface of the adjusting plate.
Further, a diaphragm and a light source are arranged between the condenser and the adjusting plate, and the diaphragm is positioned on the upper side of the light source.
Further, the number of the second threaded holes is three, and the second threaded holes are respectively positioned at the left front, the right front and the rear of the through hole.
Further, the first screw is a cylindrical head screw, the diameter of the cylindrical head of the first screw is larger than that of the through hole, and the cylindrical head of the first screw is positioned at the lower side of the fixing plate.
Further, the second screw is a set screw.
Compared with the prior art, the utility model has positive and obvious effects. The first screw is screwed to drive the adjusting plate to move up and down, so that the condensing lens moves up and down, the spring plays a supporting role, the adjusting plate is biased upwards by the spring, the influence of a thread gap on the distance is eliminated, and the purpose of adjusting the distance between the condensing lens and a sample to be observed is achieved; the first screw can be moved along the horizontal direction to drive the condenser to move, and the horizontal centering position of the condenser is adjusted. And three second screws are respectively screwed, so that the perpendicularity between the light of the collecting lens and the sample, namely the angle of the collecting lens, can be adjusted. In summary, the utility model combines the vertical adjusting function, the horizontal centering position adjusting function and the verticality adjusting function into a whole, and has simple structure and small occupied space.
Drawings
Fig. 1 is a schematic view of a condensing lens adjusting mechanism of a microscope according to the present utility model.
Fig. 2 is a schematic view of a fixed plate in a condensing lens adjusting mechanism of a microscope according to the present utility model.
Fig. 3 is a schematic view of an adjusting plate in a condensing lens adjusting mechanism of a microscope according to the present utility model.
Detailed Description
The present utility model is further described below with reference to the drawings and examples, but the present utility model is not limited to the examples, and all the similar structures and similar variations using the present utility model should be included in the protection scope of the present utility model. The use of the directions of up, down, front, back, left, right, etc. in the present utility model is only for convenience of description, and is not a limitation of the technical scheme of the present utility model.
As shown in fig. 1-3, the condensing lens adjusting mechanism of the microscope of the utility model comprises a fixed plate 1, an adjusting plate 2 is arranged above the fixed plate 1, a condensing lens 3 is arranged on the upper side of the adjusting plate 2, a through hole 4 is arranged in the fixed plate 1, a first threaded hole 5 is arranged in the adjusting plate 2, the first threaded hole 5 is positioned above the through hole 4, a first screw 6 is arranged in the through hole 4, the diameter of the through hole 4 is larger than that of the first screw 6, the upper end of the first screw 6 is screwed in the first threaded hole 5, a spring 7 is sleeved on the first screw 6, two ends of the spring 7 are respectively connected with the upper surface of the fixed plate 1 and the lower surface of the adjusting plate 2, the spring 7 upwardly biases the adjusting plate 2, at least three second threaded holes 8 are arranged in the periphery of the through hole 4 in the fixed plate 1, a second screw 11 is respectively screwed in any one of the second threaded holes 8, and the upper end of the second screw 11 is contacted with the lower surface of the adjusting plate 2.
Further, a diaphragm 9 and a light source 10 are arranged between the condenser lens 3 and the adjusting plate 2, and the diaphragm 9 is positioned on the upper side of the light source 10.
Further, the number of the second threaded holes 8 is three, and the second threaded holes are respectively positioned at the left front, the right front and the rear of the through hole 4.
Further, the first screw 6 is a cylindrical head screw.
Further, the second screw 11 is a set screw.
Specifically, in this embodiment, the collecting lens 3, the diaphragm 9, the light source 10, and the connection structures between the collecting lens 3, the diaphragm 9, and the light source 10, the cylindrical head screw, the set screw, and the like all adopt the known schemes in the prior art, and those skilled in the art will understand that the description is omitted herein.
The working principle of the embodiment is as follows: the sample to be observed is placed above the condenser 3. The first screw 6 is screwed to drive the adjusting plate 2 to move up and down, so that the collecting lens 3 moves up and down, the spring 7 plays a supporting role, the spring 7 biases the adjusting plate 2 upwards, the influence of a thread gap on the distance is eliminated, and the purpose of adjusting the distance between the collecting lens 3 and a sample to be observed is achieved; and under the supporting effect of the spring 7, the first screw 6 can be moved along the horizontal direction, and the first screw 6 drives the adjusting plate 2 to move along the horizontal direction, so that the condensing lens 3 is driven to move, and the horizontal centering position of the condensing lens 3 is adjusted. The second screws 11 can support the adjusting plate 2, and three second screws 11 are respectively screwed, so that the perpendicularity between the light of the collecting lens 3 and the sample, namely the angle of the collecting lens 3, can be adjusted. In summary, the condensing lens adjusting mechanism of the microscope combines the vertical up-down adjusting function, the horizontal centering position adjusting function and the verticality adjusting function into a whole, and has the advantages of simple structure and small occupied space.
Claims (5)
1. A microscope's condensing lens adjustment mechanism, its characterized in that: including a fixed plate, the top of fixed plate be provided with an regulating plate, the upside of regulating plate is provided with a condensing lens, be provided with a through-hole in the fixed plate, be provided with a first screw hole in the regulating plate, first screw hole is located the top of through-hole, be provided with a first screw in the through-hole, the diameter of through-hole is greater than the diameter of first screw, the upper end spiro union of first screw is in first screw hole, the cover is equipped with a spring on the first screw, the upper surface of fixed plate and the lower surface of regulating plate are connected respectively at the both ends of spring, the spring upwards biases the regulating plate, be provided with at least three second screw hole at the periphery of through-hole in the fixed plate, all the spiro union has a second screw in any one second screw hole respectively, the upper end and the regulating plate lower surface contact of second screw.
2. A microscope's collection optic adjustment mechanism according to claim 1, wherein: and a diaphragm and a light source are arranged between the condenser and the adjusting plate, and the diaphragm is positioned on the upper side of the light source.
3. A microscope's collection optic adjustment mechanism according to claim 1, wherein: the number of the second threaded holes is three, and the second threaded holes are respectively positioned at the left front, the right front and the rear of the through hole.
4. A microscope's collection optic adjustment mechanism according to claim 1, wherein: the first screw is a cylindrical head screw, the diameter of the cylindrical head of the first screw is larger than that of the through hole, and the cylindrical head of the first screw is positioned at the lower side of the fixing plate.
5. A microscope's collection optic adjustment mechanism according to claim 1, wherein: the second screw is a set screw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321114463.1U CN219799881U (en) | 2023-05-10 | 2023-05-10 | Condensing lens adjusting mechanism of microscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321114463.1U CN219799881U (en) | 2023-05-10 | 2023-05-10 | Condensing lens adjusting mechanism of microscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219799881U true CN219799881U (en) | 2023-10-03 |
Family
ID=88178710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321114463.1U Active CN219799881U (en) | 2023-05-10 | 2023-05-10 | Condensing lens adjusting mechanism of microscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219799881U (en) |
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2023
- 2023-05-10 CN CN202321114463.1U patent/CN219799881U/en active Active
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