CN209746264U

CN209746264U - Novel microscope for high school biology experiments

Info

Publication number: CN209746264U
Application number: CN201920256867.1U
Authority: CN
Inventors: 吴立杰; 吕辉
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-02-28
Filing date: 2019-02-28
Publication date: 2019-12-06
Anticipated expiration: 2029-02-28

Abstract

The utility model discloses a novel microscope for high school's biological assay, including eyepiece, objective table and regulation carousel, the lower extreme of eyepiece is connected with the lens cone, and the lower extreme of lens cone installs the converter, the objective table is installed in the lower extreme of slide clamp, and the front of objective table is provided with the slide rail, adjust the carousel and install in the inside of inner chamber, and the lower extreme of adjusting the carousel is connected with first gear. This novel microscope for high school's biological experiments sets up the sawtooth and installs on the fly leaf, form one section microscler rack, the sawtooth meshes with the second gear again simultaneously, and the second gear still meshes with first gear mutually, therefore when control regulation carousel rotated, can make and take place the meshing effect between sawtooth and the second gear, again because the objective table is fixed on the fly leaf, thereby can drive and remove about the objective table, so as to adjust the position of the relative objective of objective table, thereby be favorable to observing sliced different regions on the objective table, and such regulative mode is more meticulous, the error is less.

Description

Novel microscope for high school biology experiments

Technical Field

The utility model relates to a teaching aid technical field specifically is a novel microscope for biological assay of high school.

Background

Since the microscope has been developed for over 300 years, people see many tiny organisms and cells which form the basic units of the organisms, which cannot be seen in the past, the microscope not only has an optical microscope capable of amplifying thousands of times, but also has an electronic microscope capable of amplifying hundreds of thousands of times, so that people have further knowledge on the life activity rule of the organisms.

When using, especially in the use to the objective table, because the objective table surface is smooth, does not set up the recess, the user makes the section drop from the objective table easily when adjusting sliced position and angle, leads to the section damage to when wanting to observe the form of the different positions of section sample, the error that manual regulation section position caused is big, adjusts the problem that the time that consumes, for this reason, we propose a novel microscope for high school's biological experiments.

Disclosure of Invention

An object of the utility model is to provide a novel microscope for high school's biology experiments to solve the current microscope in the market that proposes in the above-mentioned background art when using, especially in the use to the objective table, because the objective table surface is smooth, do not set up the recess, the user makes the section drop from the objective table easily when adjusting sliced position and angle, lead to the section damage, and when wanting to observe the form of the different positions of section sample, the error that manual regulation section position caused is big, adjust the long problem of time that consumes.

In order to achieve the above object, the utility model provides a following technical scheme: a novel microscope for high school biology experiments comprises an eyepiece, an objective table and an adjusting turntable, wherein the lower end of the eyepiece is connected with a lens barrel, the lower end of the lens barrel is provided with a converter, the lower end of the converter is fixed with an objective lens, the lower left corner of the objective lens is provided with a wafer holder, the objective table is installed at the lower end of the wafer holder, the front surface of the objective table is provided with a slide rail, the front surface of the slide rail is provided with a movable block, a reflector is installed below the objective table, the left end of the lens barrel is fixed with a lens arm, the inside of the lens arm is provided with an inner cavity, the adjusting turntable is installed inside the inner cavity, the lower end of the adjusting turntable is connected with a first gear, the lower end of the first gear is fixed with a bearing, a base is installed below the bearing, the left side of the adjusting turntable is provided with a second gear, sawteeth are arranged above, the intermediate position of objective table is provided with logical unthreaded hole, and leads to the outside of unthreaded hole and be provided with the movable groove, splint are all installed at both ends about the movable groove, the internal connection of slide rail has the slider.

Preferably, the first gear penetrates through the bearing, and a rotating structure is formed between the adjusting turntable and the bearing and between the first gear and the bearing.

Preferably, the saw teeth are uniformly and equidistantly distributed at the lower end of the movable plate, and the saw teeth are connected with the second gear in a meshing manner.

preferably, the clamping plates are bilaterally symmetrical about the vertical center line of the movable groove, and the clamping plates are U-shaped.

Preferably, the vertical central lines of the sliding block and the clamping plate are overlapped with the central lines of the movable block, and the movable block is connected with the sliding block in a welding mode.

Preferably, the size between slider and the slide rail is supporting each other, and splint pass through to constitute sliding structure between slider and slide rail and the objective table.

Compared with the prior art, the beneficial effects of the utility model are that:

1. The novel microscope for the high school biology experiment is provided with the sawteeth which are arranged on the movable plate to form a section of long rack, the sawteeth are meshed with the second gear, and the second gear is meshed with the first gear, so that when the adjustment turntable is controlled to rotate, the sawteeth and the second gear can be meshed, and the objective table is fixed on the movable plate, so that the objective table can be driven to move left and right, the position of the objective table relative to an objective lens can be adjusted, different areas of slices on the objective table can be observed conveniently, the adjustment mode is more precise, the error is smaller, and the consumed time is shorter;

2. the lower bottom end of the first gear is arranged in the bearing, the upper end of the first gear is fixed with the adjusting turntable, and the diameter of the adjusting turntable is larger than that of the first gear, so that the first gear can be arranged in the inner cavity, the adjusting turntable can extend out of the mirror arm, the adjusting turntable is convenient to operate to control the rotation of the first gear, and the movable block, the sliding block and the clamping plate are welded together, so that the sliding of the sliding block and the movement of the clamping plate can be controlled through the movable block;

3. set up the objective table and have an embedded movable groove to splint are still being installed to the inside in movable groove, splint can fix a position the section and fix, avoid when adjustment section position, make the section drop from the objective table, be favorable to preventing to cause certain economic loss, it can slide each other to set up between slider and the slide rail, consequently can drive splint and move at the inside back-and-forth movement of movable groove, so that adjust the position of the relative objective of section, thereby be favorable to the user to observe sliced different regions.

Drawings

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

FIG. 2 is a schematic top view of the objective table of the present invention;

Fig. 3 is the schematic view of the cross-sectional structure of the connection between the slide block and the slide rail of the present invention.

in the figure: 1. an eyepiece; 2. a lens barrel; 3. a converter; 4. an objective lens; 5. pressing the sheet clamp; 6. an object stage; 7. a slide rail; 8. a movable block; 9. a reflective mirror; 10. a scope arm; 11. an inner cavity; 12. adjusting the turntable; 13. a first gear; 14. a bearing; 15. a base; 16. a second gear; 17. saw teeth; 18. a movable plate; 19. a light through hole; 20. a movable groove; 21. a splint; 22. a slide block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a novel microscope for high school biology experiments comprises an eyepiece 1, a lens cone 2, a converter 3, an objective lens 4, a lens pressing clamp 5, an objective table 6, a slide rail 7, a movable block 8, a reflective mirror 9, a lens arm 10, an inner cavity 11, an adjusting turntable 12, a first gear 13, a bearing 14, a base 15, a second gear 16, a sawtooth 17, a movable plate 18, a light through hole 19, a movable groove 20, a clamping plate 21 and a slide block 22, wherein the lower end of the eyepiece 1 is connected with the lens cone 2, the converter 3 is arranged at the lower end of the lens cone 2, the objective lens 4 is fixed at the lower end of the converter 3, the lens pressing clamp 5 is arranged at the lower left corner of the objective lens 4, the objective table 6 is arranged at the lower end of the lens pressing clamp 5, the slide rail 7 is arranged on the front of the objective table 6, the movable block 8 is arranged on the front of the slide rail 7, the reflective mirror 9 is arranged below the objective table 6, the adjusting rotary table 12 is arranged in the inner cavity 11, the lower end of the adjusting rotary table 12 is connected with a first gear 13, the lower end of the first gear 13 is fixed with a bearing 14, a base 15 is arranged below the bearing 14, the first gear 13 penetrates through the bearing 14, a rotating structure is formed among the adjusting rotary table 12, the first gear 13 and the bearing 14, the lower bottom end of the first gear 13 is arranged in the bearing 14, the upper end of the first gear 13 is fixed with the adjusting rotary table 12, and the diameter of the adjusting rotary table 12 is larger than that of the first gear 13, so that the adjusting rotary table 12 can extend out of the mirror arm 10 while the first gear 13 can be arranged in the inner cavity 11, and the adjusting rotary table 12 can be operated to control the rotation of the first gear 13;

The left side of the adjusting turntable 12 is provided with a second gear 16, the upper side of the second gear 16 is provided with saw teeth 17, the upper end of the saw teeth 17 is fixed with a movable plate 18, the saw teeth 17 are uniformly and equidistantly distributed at the lower end of the movable plate 18, the saw teeth 17 are connected with the second gear 16 in a meshing manner, the saw teeth 17 are arranged on the movable plate 18 to form a section of long rack, meanwhile, the saw teeth 17 are meshed with the second gear 16, and the second gear 16 is also meshed with the first gear 13, so that when the adjusting turntable 12 is controlled to rotate, the saw teeth 17 and the second gear 16 can be meshed, and because the objective table 6 is fixed on the movable plate 18, the objective table 6 can be driven to move left and right, so as to adjust the position of the objective table 6 relative to the objective 4, thereby being beneficial to observe different regions of slices on the objective table 6, and the adjusting manner is, the error is small, and the consumed time is short;

The middle position of the objective table 6 is provided with a light through hole 19, the outer side of the light through hole 19 is provided with a movable groove 20, the left end and the right end of the movable groove 20 are both provided with clamping plates 21, the clamping plates 21 are bilaterally symmetrical about the vertical central line of the movable groove 20, the clamping plates 21 are of a U-shaped structure, the objective table 6 is provided with an embedded movable groove 20, the clamping plates 21 are also arranged inside the movable groove 20, the clamping plates 21 can fix the slices, the slices are prevented from falling off the objective table 6 when the slice position is adjusted, certain economic loss is favorably prevented, the slide rail 7 is internally connected with a slide block 22, the vertical central lines of the slide block 22 and the clamping plates 21 are superposed with the central line of the movable block 8, the movable block 8 is connected with the slide block 22 in a welding manner, and the movable block 8 is arranged, the slide block 22 is welded with the clamping plates 21, therefore, can control the slip of slider 22 and the removal of splint 21 through movable block 8, the size between slider 22 and the slide rail 7 is supporting each other, and splint 21 passes through and constitutes sliding structure between slider 22 and slide rail 7 and the objective table 6, sets up and can slide each other between slider 22 and the slide rail 7, consequently can drive splint 21 and move in the inside back-and-forth movement of activity groove 20 to adjust the position of the relative objective 4 of section, thereby be favorable to the user to observe the different regions of section.

The working principle is as follows: for the novel microscope for high school biology experiments, firstly holding the microscope arm 10, moving the whole microscope to a horizontal table surface, making the base 15 contact with the horizontal table surface, then placing the section to be observed between two clamping plates 21 on the objective table 6, pressing the pressing sheet clamp 5 on the section, then rotating the converter 3, making the objective lens 4 align with the section, holding the lens barrel 2 and the microscope arm 10 by hand, looking from the eyepiece 1 inwards, adjusting the reflection angle of the reflector 9, making the reflector 9 reflect the light into the light-passing hole 19, illuminating the section, and seeing the biology condition in the enlarged section passing through the objective lens 4 in the eyepiece 1, if the observation area of the section needs to be adjusted leftwards and rightwards, slightly rotating the adjusting turntable 12, the adjusting turntable 12 driving the first gear 13 in the inner cavity 11 to rotate in the bearing 14, because the first gear 13 is meshed with the second gear 16, the first gear 13 drives the second gear 16 to rotate, because the second gear 16 is meshed with the saw teeth 17 on the movable plate 18, the second gear 16 drives the movable plate 18 to move left and right, if the movable block 8 is pushed when the front and back adjustment is needed, the movable block 8 drives the sliding block 22 to slide in the sliding rail 7, meanwhile, the sliding block 22 drives the clamping plate 21 to move back and forth in the movable groove 20, so that the front and back positions of the section are adjusted, then the operation steps are repeated for observation, and the using process of the microscope for the whole novel high school biology experiment is completed.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a novel microscope for biological assay of high school, includes eyepiece (1), objective table (6) and regulation carousel (12), its characterized in that: the lower end of the eyepiece (1) is connected with a lens barrel (2), the lower end of the lens barrel (2) is provided with a converter (3), the lower end of the converter (3) is fixed with an objective (4), the lower left corner of the objective (4) is provided with a wafer pressing clamp (5), an objective table (6) is installed at the lower end of the wafer pressing clamp (5), the front of the objective table (6) is provided with a slide rail (7), the front of the slide rail (7) is provided with a movable block (8), a reflector (9) is installed below the objective table (6), the left end of the lens barrel (2) is fixed with a lens arm (10), the inside of the lens arm (10) is provided with an inner cavity (11), an adjusting turntable (12) is installed inside the inner cavity (11), the lower end of the adjusting turntable (12) is connected with a first gear (13), the lower end of the first gear (13) is fixed with a bearing (, and base (15) are installed to the below of bearing (14), adjust the left side of carousel (12) and install second gear (16), and the top of second gear (16) is provided with sawtooth (17), the upper end of sawtooth (17) is fixed with fly leaf (18), the intermediate position of objective table (6) is provided with logical unthreaded hole (19), and the outside of leading to unthreaded hole (19) is provided with movable groove (20), splint (21) are all installed at both ends about movable groove (20), the internal connection of slide rail (7) has slider (22).

2. The microscope of claim 1, wherein: the first gear (13) penetrates through the bearing (14), and a rotating structure is formed among the adjusting rotary disc (12), the first gear (13) and the bearing (14).

3. The microscope of claim 1, wherein: the saw teeth (17) are uniformly distributed at the lower end of the movable plate (18) at equal intervals, and the saw teeth (17) are connected with the second gear (16) in a meshing manner.

4. the microscope of claim 1, wherein: the clamping plates (21) are bilaterally symmetrical about the vertical center line of the movable groove (20), and the clamping plates (21) are of U-shaped structures.

5. The microscope of claim 1, wherein: the vertical central lines of the sliding block (22) and the clamping plate (21) are overlapped with the central lines of the movable block (8) until the central lines are overlapped, and the movable block (8) is connected with the sliding block (22) in a welding mode.

6. The microscope of claim 1, wherein: the size between the sliding block (22) and the sliding rail (7) is matched, and the clamping plate (21) forms a sliding structure with the objective table (6) through the sliding block (22) and the sliding rail (7).