CN213814127U

CN213814127U - Novel microscope for student biological experiment

Info

Publication number: CN213814127U
Application number: CN202022460137.9U
Authority: CN
Inventors: 李怀昌; 蒲文强; 罗建
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-07-27
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses a novel microscope for biological experiment of students, which comprises an objective table and a lens cone component, wherein the objective table is provided with a light transmission hole, and the lens cone component comprises an objective lens positioned above the objective table, a lens cone connected with the objective lens and an eyepiece arranged on the lens cone; the glass slide moving device is characterized in that a first moving assembly moving back and forth is arranged on the objective table, one end, close to the light transmission hole, of the first moving assembly is connected with a second moving assembly moving left and right, a rotary disc is installed on the second moving assembly and can rotate along the axis of the rotary disc, a plurality of placing grooves for placing glass slides are formed in the periphery of the rotary disc, when the glass slide moving device is used, the glass slides are located below an objective lens when the first moving assembly and the second moving assembly are adjusted, and different glass slides are switched by rotating the rotary disc. The utility model discloses can adjust the position of slide glass, avoid the slide glass to be infected with the fingerprint, once only can install a plurality of slide glasses simultaneously, improve the detection efficiency to the sample.

Description

Novel microscope for student biological experiment

Technical Field

The utility model belongs to the experimental facilities field, concretely relates to novel microscope that student's biological assay was used.

Background

The Chinese microscope is an optical instrument formed by one lens or a combination of several lenses, and is a sign for human beings to enter the atomic era. The device is mainly used for amplifying the visual effect of the naked eyes of the adults on the tiny objects. Microscope spectroscopic microscope and electron microscope optical microscopy was pioneered in 1590 by jensen father in the netherlands. The existing optical microscope can magnify an object by 1600 times, the minimum limit of resolution reaches 1/2 of wavelength, the length of a domestic microscope mechanical barrel is generally 160 millimeters, and the human Levenshoke and Netherlands which have great contribution to the development and microbiology of the microscope are considered. As shown in fig. 1, when observing a biological section or a specimen with a microscope, the section or the specimen is usually required to be placed on a glass slide, and then the glass slide is clamped by a spring clamp on a stage, so that the glass is easily damaged in this way, and once the glass slide is fixed on the stage, when the position of the glass slide needs to be adjusted, the glass slide is moved by hand, so that the glass slide is easily stained with fingerprints, which affects the observation of the specimen.

Disclosure of Invention

The utility model aims to solve the technical problem that overcome not enough among the prior art, aim at provides a novel microscope that student's biological assay was used, can adjust the position of slide glass, avoids the slide glass to be infected with the fingerprint, and disposable can install a plurality of slide glass simultaneously, improves the detection efficiency to the sample.

The utility model discloses a following technical scheme realizes:

a novel microscope for biological experiment of students comprises an object stage and a lens cone component, wherein the object stage is provided with a light transmission hole, and the lens cone component comprises an objective lens positioned above the object stage, a lens cone connected with the objective lens and an ocular lens arranged on the lens cone; the glass slide moving device is characterized in that a first moving assembly moving back and forth is arranged on the objective table, one end, close to the light transmission hole, of the first moving assembly is connected with a second moving assembly moving left and right, a rotary disc is installed on the second moving assembly and can rotate along the axis of the rotary disc, a plurality of placing grooves for placing glass slides are formed in the periphery of the rotary disc, when the glass slide moving device is used, the glass slides are located below an objective lens when the first moving assembly and the second moving assembly are adjusted, and different glass slides are switched by rotating the rotary disc.

Further, first removal subassembly includes fixed plate of fixed mounting on the objective table, the fixed plate wholly is the U-shaped, it has the guide way to open on the wall of U-shaped both sides, be equipped with the movable plate in the guide way, be equipped with the rack on the movable plate, the lateral wall of U-shaped is equipped with the dwang, the dwang level alternates on the fixed plate, and the dwang can be at the fixed plate internal rotation, be equipped with on the dwang with rack toothing's gear and gear can follow the dwang and rotate together, drive gear revolve in the dwang through the effort, and then drive the movable plate and remove towards the light trap direction in the guide way.

Further, the second removes the backup pad that the subassembly includes fixed mounting on the movable plate that is close to light trap one end, and the backup pad is whole to be the U-shaped, is equipped with the lead screw parallel with the dwang on the lateral wall of U-shaped, has the slider through threaded connection on the lead screw, and rotatory lead screw can drive the slider and remove along lead screw length direction.

Further, the top of slider is equipped with the bearing, has the bracing piece rather than normal running fit in the bearing, and the bracing piece top is connected with the bottom of carousel, can rotate the carousel through effort and carousel.

Furthermore, one end of the screw rod is connected with a rotating handle which is positioned on the outer side of the supporting plate; one end of the rotating rod is connected with an adjusting handle, and the adjusting handle is located on the outer side of the fixing plate.

Furthermore, a locking rod is further arranged on the sliding block, an elastic piece is arranged at the top end of the locking rod, and a locking ball is arranged on the elastic piece; the bottom of carousel still is equipped with the identical locked groove of quantity and standing groove quantity, and the lock ball is located arbitrary locked groove.

Furthermore, mounting grooves matched with the glass slides are formed in two side walls of the placing groove, and the glass slides are horizontally inserted into the mounting grooves.

Compared with the prior art, the utility model discloses following advantage and beneficial effect have:

1. the arranged rotary disc can be used for fixing a plurality of glass slides at the same time, so that students can observe a plurality of specimens in sequence, and the observation efficiency of the plurality of specimens is improved;

2. the arranged moving plate and the slide block can adjust the position of the rotary table, so that a sample on the rotary table can be quickly aligned with the objective lens, the sample observation efficiency is improved, and meanwhile, in the process of adjusting the position of the slide glass, the hands of students are prevented from directly contacting the slide glass, so that the slide glass is effectively prevented from being stained with fingerprints;

3. the lock ball that sets up can be fixed the carousel, guarantees that the carousel can not take place to rotate easily when observing the slide glass sample on the carousel to guaranteed that the student can stabilize the sample to the slide and observed.

Drawings

Fig. 1 is a schematic diagram of a microscope in the prior art.

Fig. 2 is a top view of the objective table of the present invention.

Fig. 3 is a front view of the objective table of the present invention.

Fig. 4 is a schematic structural view of the fixing table and the supporting plate of the present invention.

Fig. 5 is a side view of the fixing table of the present invention.

Fig. 6 is a bottom view of the turntable of the present invention.

Fig. 7 is a schematic structural view of the locking lever of the present invention.

The labels in the figure are: 101. an object stage; 102. a reflective mirror; 103. a scope arm; 104. a light-transmitting hole; 121. a lens barrel; 122. an eyepiece; 123. an objective lens; 201. a fixing plate; 202. moving the plate; 203. a rack; 204. rotating the rod; 205. a gear; 206. adjusting the handle; 208. a guide groove; 301. a support plate; 302. A screw rod; 303. a slider; 304. rotating the handle; 500. a turntable; 501. a placement groove; 502. mounting grooves; 503. locking the groove; 510. a support bar; 511. a bearing; 520. a locking lever; 521. an elastic member; 522. locking the ball; 600. a slide.

Detailed Description

The novel microscope for student biological experiment application is characterized in that a slide glass 600 adjusting device is additionally arranged on a stage 101 in the prior art, a plurality of slides 600 can be simultaneously installed through the slide glass 600 adjusting device, and the slide glass 600 can be observed through the microscope through the cooperation of a first moving assembly, a second moving assembly and a turntable 500.

The novel microscope comprises an object stage 101 and a lens barrel 121 assembly, as shown in fig. 1, the object stage 101 is provided with a light hole 104, a reflective mirror 102 is arranged below the light hole 104, the lens barrel 121 assembly comprises an objective lens 123 positioned above the object stage 101, a lens barrel 121 connected with the objective lens 123, and an eyepiece 122 mounted on the lens barrel 121, the lens barrel 121 is connected with the object stage 101 through a lens arm 103, the structure of the part is the same as that of a microscope in the prior art, and the embodiment is not repeated.

As shown in fig. 2 to 4, a first moving assembly moving forward and backward is disposed on the stage 101, one end of the first moving assembly, which is close to the light-transmitting hole 104, is connected with a second moving assembly moving left and right, a turntable 500 is mounted on the second moving assembly, the turntable 500 is rotatable along an axis thereof, a plurality of placing grooves 501 for placing the slide glass 600 are formed on the turntable 500 along a circumference, when the slide glass is used, the slide glass 600 is located below the objective lens 123 by adjusting the first moving assembly and the second moving assembly, and different slide glasses are switched by rotating the turntable 500.

When observing samples on different glass slides 600, sequentially placing the glass slides 600 in the placing groove 501 of the turntable 500, rotating the different glass slides 600 to the upper side of the light transmission hole 104 through the cooperation of the first moving assembly, the second moving assembly and the turntable 500 due to the rotation of the turntable 500 around the axis of the turntable 500, observing the samples on the different glass slides 600 by using the lens barrel 121 assembly, and avoiding repeatedly replacing the different glass slides 600, thereby improving the efficiency of observing different samples by students; meanwhile, in the process of adjusting the position of the turntable 500, the students are effectively prevented from being in direct contact with the glass slide 600, so that the condition that the glass slide 600 is stained with fingerprints and the observation accuracy of the specimen is influenced is avoided.

First removal subassembly includes fixed plate 201 of fixed mounting on objective table 101, as shown in fig. 5, fixed plate 201 wholly is the U-shaped, it has guide way 208 to open on the two side walls of U-shaped, as shown in fig. 4, be equipped with movable plate 202 in the guide way 208, be equipped with rack 203 on the movable plate 202, the lateral wall of U-shaped is equipped with dwang 204, dwang 204 horizontal interlude is on fixed plate 201, and dwang 204 can rotate on fixed plate 201, be equipped with on the dwang 204 with gear 205 and gear 205 of rack 203 meshing can follow dwang 204 and rotate together, the one end of dwang 204 is connected with adjustment handle 206, adjustment handle 206 is located the outside of fixed plate 201, through effort in adjustment handle 206, dwang 204 drives gear 205 and rotates, and then drives movable plate 202 and removes or keeps away from towards light trap 104 in guide way 208.

The movable plate 202 is limited and guided by the U-shaped fixing plate 201, and then the gear 205 and the rack 203 are meshed with each other, and the movable plate 202 is driven to move back and forth by controlling the rotation of the gear 205, that is, the movable plate 202 can move linearly or far away from the light hole 104, so that the position of the turntable 500 in the front and back directions can be accurately adjusted.

As shown in fig. 3, the second moving assembly includes a supporting plate 301 fixedly mounted on the moving plate 202 near one end of the light hole 104, the supporting plate 301 is integrally U-shaped, a screw rod 302 parallel to the rotating rod 204 is disposed on a side wall of the U-shape, as shown in fig. 4, a slider 303 is connected to the screw rod 302 through a thread, one end of the screw rod 302 is connected to a rotating handle 304, the rotating handle 304 is located outside the supporting plate 301, the rotating handle 304 is rotated through an acting force, the rotating screw rod 302 can drive the slider 303 to move along the length direction of the screw rod 302, the top of the slider 303 is provided with the turntable 500, and then the turntable 500 is driven to move left and right.

As shown in fig. 4, a bearing 511 is disposed on the top of the sliding block 303, a supporting rod 510 is rotatably fitted in the bearing 511, the top end of the supporting rod 510 is connected to the center of the bottom of the turntable 500, and the turntable 500 can be rotated by acting force on the supporting rod 510 and the turntable 500; the support rods 510, in cooperation with the bearings 511, enable the turntable 500 to rotate about the axis of the turntable 500, thereby enabling the slides 600 mounted on the turntable 500 to be respectively rotated to the light transmission holes 104, and facilitating the observation of the slides 600 at the light transmission holes 104.

The slide block 303 is further provided with a locking rod 520, the locking rod 520 is close to the light hole 104, as shown in fig. 6 and 7, an elastic member 521 is arranged at the top end of the locking rod 520, locking balls 522 are arranged on the elastic member 521, the bottom of the turntable 500 is further provided with locking grooves 503, the number of the locking grooves is the same as that of the placing grooves 501, and the locking balls 522 are located in any one of the locking grooves 503; the number one-to-one correspondence of the arranged locking grooves 503 and the placing grooves 501 is that when the slide glass 600 in any one of the placing grooves 501 on the rotary disc 500 rotates to the light transmission hole 104, the locking balls 522 can be inserted into the locking groove 503 corresponding to the placing groove 501 under the action of the elastic element 521, the rotary disc 500 is fixed, the rotary disc 500 is not easy to rotate, when the slide glass 600 in the other placing groove 501 needs to be moved to the upper side of the light transmission hole 104, a student only needs to rotate the rotary disc 500, and the locking balls 522 are forced to compress the elastic element 521, so that the locking balls 522 can be smoothly moved out of the locking groove 503.

Open on the both sides wall of standing groove 501 has the mounting groove 502 that matches with slide glass 600, mounting groove 502 communicates with standing groove 501, as shown in fig. 3 and fig. 6, slide glass 600 is located standing groove 501 simultaneously when inserting the mounting groove 502 horizontally, the mounting groove 502 that utilizes to be equipped with on the inner wall of standing groove 501 plays the fixed action to slide glass 600, during the use, only need with slide glass 600 from carousel 500 side horizontal insertion to standing groove 501 and mounting groove 502 in, just can stably place slide glass 600 on carousel 500, guarantee simultaneously that slide glass 600 can follow carousel 500 and remove or rotate together.

The above is only the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any modification and replacement based on the technical solution and the utility model should be covered in the protection scope of the present invention.

Claims

1. A novel microscope for student biological experiment application comprises an object stage (101) and a lens cone (121) assembly, wherein a light transmission hole (104) is formed in the object stage (101), and the lens cone (121) assembly comprises an objective lens (123) positioned above the object stage (101), a lens cone (121) connected with the objective lens (123), and an eyepiece (122) installed on the lens cone (121); the method is characterized in that: the slide glass moving mechanism is characterized in that a first moving assembly moving back and forth is arranged on the objective table (101), one end, close to the light hole (104), of the first moving assembly is connected with a second moving assembly moving left and right, a rotary disc (500) is installed on the second moving assembly, the rotary disc (500) is rotatable along the axis of the rotary disc, a plurality of placing grooves (501) for placing slide glass (600) are formed in the rotary disc (500) along the circumference, when the slide glass moving mechanism is used, the slide glass (600) is located below an objective lens (123) when the first moving assembly and the second moving assembly are adjusted, and different slide glass slides (600) are switched through rotation of the rotary disc (500).

2. The novel microscope of claim 1, wherein the microscope further comprises: first removal subassembly includes fixed plate (201) of fixed mounting on objective table (101), fixed plate (201) wholly is the U-shaped, it has guide way (208) to open on the U-shaped both sides wall, be equipped with movable plate (202) in guide way (208), be equipped with rack (203) on movable plate (202), the lateral wall of U-shaped is equipped with dwang (204), dwang (204) level interlude is on fixed plate (201), and dwang (204) can be at fixed plate (201) internal rotation, be equipped with on dwang (204) with gear (205) and gear (205) of rack (203) meshing can follow dwang (204) and rotate together, drive gear (205) rotation in dwang (204) through the effort, and then drive movable plate (202) move towards light trap (104) direction in guide way (208).

3. The novel microscope of claim 2, wherein the microscope further comprises: the second removes the subassembly and includes backup pad (301) on movable plate (202) that fixed mounting is close to light trap (104) one end, and backup pad (301) wholly is the U-shaped, is equipped with lead screw (302) parallel with dwang (204) on the lateral wall of U-shaped, has slider (303) through threaded connection on lead screw (302), and rotatory lead screw (302) can drive slider (303) and remove along lead screw (302) length direction.

4. The novel microscope of claim 3, wherein the microscope further comprises: the top of slider (303) is equipped with bearing (511), has bracing piece (510) rather than normal running fit in bearing (511), and bracing piece (510) top is connected with the bottom of carousel (500), can rotate carousel (500) through effort and carousel (500).

5. The novel microscope of claim 3, wherein the microscope further comprises: one end of the screw rod (302) is connected with a rotating handle (304), and the rotating handle (304) is positioned on the outer side of the supporting plate (301); one end of the rotating rod (204) is connected with an adjusting handle (206), and the adjusting handle (206) is located on the outer side of the fixing plate (201).

6. The novel microscope of claim 4, wherein the microscope further comprises: the sliding block (303) is also provided with a locking rod (520), the top end of the locking rod (520) is provided with an elastic part (521), and the elastic part (521) is provided with a locking ball (522); the bottom of the turntable (500) is also provided with lock grooves (503) the number of which is the same as that of the placing grooves (501), and the lock balls (522) are positioned in any one of the lock grooves (503).

7. The novel microscope of claim 4, wherein the microscope further comprises: mounting grooves (502) matched with the glass slides (600) are formed in two side walls of the placing groove (501), and the glass slides (600) are horizontally inserted into the mounting grooves (502).