CN212905694U

CN212905694U - Optical microscope with conveniently-adjusted eyepiece

Info

Publication number: CN212905694U
Application number: CN202021839809.0U
Authority: CN
Inventors: 宋美亭
Original assignee: Fuzhou Meitai Photoelectric Co ltd
Current assignee: Fuzhou Meitai Photoelectric Co ltd
Priority date: 2020-08-28
Filing date: 2020-08-28
Publication date: 2021-04-06
Anticipated expiration: 2030-08-28

Abstract

The utility model discloses a conveniently adjust optical microscope of eyepiece, including objective table, extension board and base, the bottom welding of base one side has the extension board, and the below of extension board is provided with fixture, one side that the extension board was kept away from on the base top articulates through the articulated elements has the mirror handle, and the mirror rotates the bottom of one side and is connected with the reflector, the objective table is installed to one side of mirror handle on the reflector, and the intermediate position department on objective table top runs through there is the through-hole, the one end of objective table bottom is rotated and is connected with the light ring, and the bottom of objective table is provided with adjustment mechanism, the lens cone is installed on the top of mirror handle, and the bottom of lens cone rotates and is connected with objective, the inside one end of lens cone rotates and is connected with the worm. The utility model discloses a rotate the knob and can make the worm drive the turbine and make it rotate to make its inside eyepiece follow lens cone direction translation, convenient operation adjusts accurately, has realized the eyepiece regulatory function of device.

Description

Optical microscope with conveniently-adjusted eyepiece

Technical Field

The utility model relates to an optical microscope technical field specifically is an optical microscope of eyepiece conveniently adjusts.

Background

Medical science is a very basic subject of development in modern society, and the most basic tool in various researches is a microscope, wherein a microscope is generally used for observing a tiny object so as to obtain an experimental result for further research, and an optical microscope is most widely used in the microscope.

The conventional optical microscope has the following disadvantages:

(1) the ocular lens is troublesome to adjust and inconvenient to use;

(2) the aperture needs to be manually adjusted, and is not accurate and rapid enough;

(3) the device is not stable enough and is easy to fall.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a conveniently adjust optical microscope of eyepiece to the eyepiece that proposes in solving above-mentioned background adjusts more troublesome, uses not convenient enough problem.

In order to achieve the above object, the utility model provides a following technical scheme: an optical microscope convenient for adjusting an eyepiece comprises an object stage, an extension plate and a base, wherein the extension plate is welded at the bottom end of one side of the base, a clamping mechanism is arranged below the extension plate, a mirror handle is hinged at one side of the top end of the base, far away from the extension plate, through an articulated element, a reflective mirror is rotatably connected at the bottom end of one side of the mirror handle, the object stage is installed at one side of the mirror handle above the reflective mirror, a through hole penetrates through the middle position of the top end of the object stage, one end of the bottom end of the object stage is rotatably connected with an aperture, an adjusting mechanism is arranged at the bottom end of the object stage, a lens barrel is installed at the top end of the mirror handle, an objective lens is rotatably connected at the bottom end of the lens barrel, a worm is rotatably connected at one end inside the lens barrel, one end of the worm extends to one end of, the inside cover of turbine is equipped with the eyepiece shell, and the top of eyepiece shell extends to the top of lens-barrel.

Preferably, adjustment mechanism's inside has set gradually carousel, dead lever, shifting block, recess, runner and knob, runner fixed mounting is in the bottom of light ring, and the outer wall of runner evenly sets up flutedly, the carousel rotates to be connected in the objective table bottom and keeps away from one side of light ring, and the bottom fixedly connected with dead lever of carousel, one side fixedly connected with shifting block on dead lever top, and the bottom of shifting block extends to the inside of recess, the opposite side fixedly connected with knob of dead lever bottom.

Preferably, four groups of grooves are arranged, and the grooves are distributed at equal angles relative to the center of the rotating wheel.

Preferably, fixture's inside has set gradually splint, clamp splice, lead screw, adjusting knob, guide arm, splint all weld in the both sides of extension board bottom, and the both sides of splint bottom all evenly run through there is the guide arm, and the top of guide arm all installs the clamp splice, the bottom intermediate position department of splint all runs through there is the lead screw, and the top of lead screw all extends to the below of clamp splice, the bottom of lead screw all extends to the below of splint, and the bottom of lead screw all welds there is the adjusting knob.

Preferably, the connection mode between splint and the lead screw is threaded connection, and the length of splint is greater than the length of lead screw.

Preferably, the outer wall of the eyepiece shell is provided with external threads, the inner wall of the worm wheel is provided with internal threads matched with the internal threads, and the worm is meshed with the worm wheel.

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

(1) the rotation knob, the lens cone, the eyepiece shell, the worm and the worm wheel are arranged, and the worm can drive the worm wheel to rotate by rotating the rotation knob, so that the eyepiece in the eyepiece shell can translate along the direction of the lens cone, the operation is convenient, the adjustment is accurate, and the eyepiece adjusting function of the device is realized;

(2) the rotary table can be driven to rotate by rotating the knob through the arrangement of the object stage, the aperture, the adjusting mechanism and the through hole, so that the rotating wheel rotates by a fixed angle each time, the light holes with different sizes on the aperture can be aligned to the through hole, the adjustment is accurate, the operation is convenient, and the aperture adjusting function of the device is realized;

(3) through being provided with extension board, fixture and base, thereby can make clamp splice and splint press from both sides the edge of test bench tightly to cause the device fixed through rotatory lead screw, the design of extension board makes the device needn't be in the mesa edge simultaneously, satisfies the operating condition of experiment, reduces the accident to the lowest possibility, has realized the firm function of device.

Drawings

Fig. 1 is a schematic front view of the present invention;

fig. 2 is a schematic view of a top view cross-sectional structure of the lens barrel of the present invention;

FIG. 3 is a schematic side view of the clamping mechanism of the present invention;

fig. 4 is a schematic top view of the adjusting mechanism of the present invention;

fig. 5 is a schematic side view of the adjusting mechanism of the present invention.

In the figure: 1. an objective lens; 2. an object stage; 3. an aperture; 4. an adjustment mechanism; 401. a turntable; 402. fixing the rod; 403. shifting blocks; 404. a groove; 405. a rotating wheel; 406. a knob; 5. an extension plate; 6. a clamping mechanism; 601. a splint; 602. a clamping block; 603. a screw rod; 604. an adjusting knob; 605. a guide bar; 7. a base; 8. a reflective mirror; 9. a mirror handle; 10. a rotation knob; 11. a lens barrel; 12. an eyepiece housing; 13. a worm; 14. a turbine; 15. and a through hole.

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. 1-5, the present invention provides a technical solution: an optical microscope convenient for adjusting an eyepiece comprises an object stage 2, an extension plate 5 and a base 7, wherein the extension plate 5 is welded at the bottom end of one side of the base 7, and a clamping mechanism 6 is arranged below the extension plate 5;

the clamping mechanism 6 is internally provided with a clamping plate 601, a clamping block 602, a screw rod 603, an adjusting button 604 and a guide rod 605 in sequence, the clamping plate 601 is welded on two sides of the bottom end of the extension plate 5, the guide rod 605 penetrates through two sides of the bottom end of the clamping plate 601 uniformly, the clamping block 602 is installed at the top end of the guide rod 605, the screw rod 603 penetrates through the middle position of the bottom end of the clamping plate 601, the top end of the screw rod 603 extends to the lower part of the clamping block 602, the bottom end of the screw rod 603 extends to the lower part of the clamping plate 601, and the adjusting button 604 is welded at the bottom end of the screw rod 603;

specifically, as shown in fig. 1 and fig. 3, the rotation of the adjusting knob 604 drives the screw 603 to rotate so as to move and push the clamping block 602, and the clamping block 602 moves towards the direction of the extension plate 5 due to the guiding of the guide rod 605 and cooperates with the extension plate 5 to clamp the experiment table, which has the advantage of being convenient for clamping the experiment table;

the connection mode between the clamping plate 601 and the screw rod 603 is threaded connection, and the length of the clamping plate 601 is greater than that of the screw rod 603;

specifically, as shown in fig. 1 and 3, the design can accurately control the feeding amount of the screw 603, and has the advantage of tight clamping;

a mirror handle 9 is hinged to one side, far away from the extension plate 5, of the top end of the base 7 through a hinge piece, a reflective mirror 8 is rotatably connected to the bottom end of one side of the mirror handle 9, an objective table 2 is mounted on one side of the mirror handle 9 above the reflective mirror 8, a through hole 15 penetrates through the middle position of the top end of the objective table 2, an aperture 3 is rotatably connected to one end of the bottom end of the objective table 2, and an adjusting mechanism 4 is arranged at the bottom end of the objective table 2;

the adjusting mechanism 4 is internally provided with a turntable 401, a fixed rod 402, a shifting block 403, a groove 404, a rotating wheel 405 and a knob 406 in sequence, the rotating wheel 405 is fixedly arranged at the bottom end of the aperture 3, the groove 404 is uniformly formed in the outer wall of the rotating wheel 405, the turntable 401 is rotatably connected to one side, far away from the aperture 3, of the bottom end of the object stage 2, the fixed rod 402 is fixedly connected to the bottom end of the turntable 401, the shifting block 403 is fixedly connected to one side of the top end of the fixed rod 402, the bottom end of the shifting block 403 extends into the groove 404, and the knob 406 is fixedly connected to;

specifically, as shown in fig. 1, 4 and 5, the knob 406 is rotated, the knob 406 drives the turntable 401 to rotate, so that the fixing rod 402 rotates, the rotation of the fixing rod 402 enables the shifting block 403 to be clamped into the groove 404 to be driven to rotate by a certain angle and then to be disengaged, and the rotating wheel 405 can rotate by a certain angle when the knob 406 rotates by one turn, so that the aperture 3 rotates in a small range, which is advantageous in that the aperture 3 can be adjusted conveniently;

the grooves 404 are provided with four groups, and the grooves 404 are distributed in an equal angle mode relative to the center of the rotating wheel 405;

specifically, as shown in fig. 1, 4 and 5, such a design can enable the rotating wheel 405 to drive the aperture 3 to rotate by a fixed angle, which has the advantage of precisely adjusting the aperture 3;

a lens barrel 11 is mounted at the top end of the lens handle 9, an objective lens 1 is rotatably connected to the bottom end of the lens barrel 11, a worm 13 is rotatably connected to one end inside the lens barrel 11, one end of the worm 13 extends to one end of the lens barrel 11, a rotating button 10 is fixedly mounted at one end of the worm 13, a worm wheel 14 is rotatably connected to one side of the worm 13 inside the lens barrel 11, and an objective lens shell 12 is sleeved inside the worm wheel 14;

the outer wall of the eyepiece shell 12 is provided with external threads, the inner wall of the worm wheel 14 is provided with internal threads matched with the internal threads, and the worm 13 is meshed with the worm wheel 14;

in particular, as shown in fig. 1 and 2, such a design can irreversibly adjust the eyepiece housing 12, which has the advantage of stable adjustment and prevention of movement;

and the tip of the eyepiece case 12 extends above the lens barrel 11.

The working principle is as follows: when using this device, at first, place the base 7 of device on the laboratory bench, extend board 5 and place at the edge, remove base 7 and make splint 601 to laboratory bench below, rotate adjusting knob 604 this moment, thereby the rotation of adjusting knob 604 can drive lead screw 603 and rotate and remove promotion clamp splice 602, clamp splice 602 because the direction of guide arm 605 removes and presss from both sides the clamp with the laboratory bench edge with the cooperation of extending board 5 to the direction of extending board 5, make the device can stabilize and place.

Then, when adjusting light ring 3, rotatable knob 406, knob 406 drives carousel 401 and rotates to make dead lever 402 rotate, the rotation of dead lever 402 can make shifting block 403 block go into recess 404 with it drive rotate certain angle back break away from, knob 406 every turn can make runner 405 rotate certain angle, thereby cause light ring 3 to carry out the rotation of minizone, make the center of suitable clear opening and through-hole 15 on same vertical line.

Finally, the slide is placed on the objective table 2, the proper objective lens 1 is adjusted, and finally the rotating button 10 is rotated to drive the worm 13 to rotate, so that the worm 13 drives the worm wheel 14 to rotate in a single direction, and the position of the worm wheel 14 in the vertical direction is fixed, so that the eyepiece shell 12 in threaded fit with the worm wheel can move along the direction of the inner wall of the eyepiece shell, the purpose of adjusting the eyepiece lens is achieved, and observation can be better performed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a conveniently adjust optical microscope of eyepiece, includes objective table (2), extension board (5) and base (7), its characterized in that: the bottom welding of base (7) one side has extension board (5), and the below of extension board (5) is provided with fixture (6), one side of extension board (5) is kept away from on base (7) top is articulated through the articulated elements has mirror (9), and the bottom of mirror (9) one side rotates and is connected with reflector (8), objective table (2) is installed to one side of mirror (9) above reflector (8), and the intermediate position department on objective table (2) top has run through-hole (15), the one end of objective table (2) bottom rotates and is connected with light ring (3), and the bottom of objective table (2) is provided with adjustment mechanism (4), lens cone (11) is installed to the top of mirror (9), and the bottom of lens cone (11) rotates and is connected with objective (1), the inside one end of lens cone (11) rotates and is connected with worm (13), and the one end of worm (13) extends to the one end of lens cone (11), the one end fixed mounting of worm (13) has knob (10), and one side of the inside worm (13) of lens cone (11) is rotated and is connected with turbine (14), the inside cover of turbine (14) is equipped with eyepiece shell (12), and the top of eyepiece shell (12) extends to the top of lens cone (11).

2. An optical microscope with conveniently adjustable eyepiece as claimed in claim 1 wherein: the inside of adjustment mechanism (4) has set gradually carousel (401), dead lever (402), shifting block (403), recess (404), runner (405) and knob (406), runner (405) fixed mounting is in the bottom of light ring (3), and the outer wall of runner (405) evenly sets up recess (404), carousel (401) rotate connect in objective table (2) bottom keep away from one side of light ring (3), and the bottom fixedly connected with dead lever (402) of carousel (401), one side fixedly connected with shifting block (403) on dead lever (402) top, and the bottom of shifting block (403) extends to the inside of recess (404), opposite side fixedly connected with knob (406) of dead lever (402) bottom.

3. An optical microscope with conveniently adjustable eyepiece as claimed in claim 2 wherein: the grooves (404) are provided with four groups in total, and the grooves (404) are distributed in an equal angle mode relative to the center of the rotating wheel (405).

4. An optical microscope with conveniently adjustable eyepiece as claimed in claim 1 wherein: the inside of fixture (6) has set gradually splint (601), clamp splice (602), lead screw (603), adjusting button (604), guide arm (605), splint (601) all weld in the both sides of extension board (5) bottom, and the both sides of splint (601) bottom all evenly run through guide arm (605), and the top of guide arm (605) all installs clamp splice (602), the bottom intermediate position department of splint (601) all runs through lead screw (603), and the top of lead screw (603) all extends to the below of clamp splice (602), the bottom of lead screw (603) all extends to the below of splint (601), and the bottom of lead screw (603) all welds adjusting button (604).

5. An optical microscope with conveniently adjustable eyepiece as claimed in claim 4 wherein: the clamping plate (601) is connected with the screw rod (603) in a threaded mode, and the length of the clamping plate (601) is larger than that of the screw rod (603).

6. An optical microscope with conveniently adjustable eyepiece as claimed in claim 1 wherein: the outer wall of the eyepiece shell (12) is provided with external threads, the inner wall of the worm wheel (14) is provided with internal threads matched with the internal threads, and the worm (13) is meshed with the worm wheel (14).