CN219266654U

CN219266654U - Micro-focusing device for microscope objective lens

Info

Publication number: CN219266654U
Application number: CN202222696597.0U
Authority: CN
Inventors: 陈谦; 严程; 张凡
Original assignee: Wuhan Oe Bio Co ltd
Current assignee: Wuhan Oe Bio Co ltd
Priority date: 2022-10-13
Filing date: 2022-10-13
Publication date: 2023-06-27
Anticipated expiration: 2032-10-13

Abstract

The utility model belongs to the technical field of microscopes, and discloses a micro-focusing device for a microscope objective lens, which comprises a microscope base, wherein an auxiliary block is connected above the microscope base, and one side of the auxiliary block is connected with a microscope main body; the storage mechanism is positioned in the microscope main body, and one side of the storage mechanism is provided with the adjusting mechanism. According to the micro-motion focusing device for the microscope objective lens, the driving screw rod and the holding block are arranged on one side of the objective lens main body, and the driving screw rod and the threaded block are driven to conduct threaded motion through the holding block, so that the objective lens main body is driven to move up and down, focusing is achieved, the self-locking function of the driving screw rod and the threaded block is utilized, the use of the locking mechanism is eliminated, the parts for adjusting the objective lens are reduced, and the space of the internal parts of the microscope main body is saved.

Description

Micro-focusing device for microscope objective lens

Technical Field

The utility model relates to the technical field of microscopes, in particular to a micro-focusing device for a microscope objective lens.

Background

In many research fields, many objects cannot be observed by naked eyes, so that a microscope is required to be used for observation, the microscope mainly comprises a base, a main body and a lens, wherein a sample is placed above the base, the observation work is performed through the lens, and the focal length needs to be adjusted when the microscope is used for observation, so that the lens can be aligned to the sample for observation, and the subsequent research work is performed, but the microscope on the market still has the following problems:

1. the focal length of the microscope in the current market is mostly adjusted through a gear rack, and the gear rack does not have a self-locking function, so that an additional locking mechanism is required to be arranged, the area of a microscope main body is increased, and the microscope main body is not beneficial to use;

2. the microscope main body is small in size, so that internal parts are compact, and once parts are in a problem during objective lens replacement, maintenance and disassembly are very troublesome, trouble is brought to maintenance work of staff, and the operation of the staff is not facilitated.

Aiming at the problems, innovative design is carried out on the basis of the original microscope.

Disclosure of Invention

The utility model aims to provide a micro-motion focusing device for a microscope objective lens, which aims to solve the problems that the focal length of a microscope in the prior market, which is proposed in the background technology, is mainly adjusted through a gear rack, the gear rack does not have a self-locking function, so that an additional locking mechanism is required to be arranged, the area of a microscope main body is increased, the microscope main body is not beneficial to use, the volume of the microscope main body is smaller, internal parts are compact, once the parts are in a problem during the replacement of the objective lens, the maintenance and the disassembly are very troublesome, and the trouble is brought to the maintenance work of staff, and the operation of the staff is not beneficial.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a micro-focusing device for microscope objective lens comprises

The microscope base is connected with the auxiliary block above the microscope base, and one side of the auxiliary block is connected with the microscope main body;

the storage mechanism is positioned in the microscope main body, and one side of the storage mechanism is provided with the adjusting mechanism.

Preferably, the storage mechanism further comprises a supporting block, an objective main body, a sealing cover, an insertion block, an adjusting rod, a sliding groove, a limiting block, a connecting torsion spring and an insertion groove, wherein the two sides of the supporting block are connected with the connecting torsion spring, one side of the connecting torsion spring is connected with the limiting block, the objective main body is arranged in the supporting block, the supporting block and the limiting block form a rotating structure through the connecting torsion spring, and the limiting blocks are symmetrically distributed on the two sides of the objective main body.

Preferably, the insertion groove is formed above the sealing cover, the sealing cover is located inside the sliding groove, the insertion block is arranged above the insertion groove, one side of the insertion block is connected with the adjusting rod, the sealing cover is in sliding connection with the sliding groove, the insertion groove is in sliding connection with the insertion block, and the insertion block is in sliding connection with the adjusting rod.

Preferably, the adjusting mechanism further comprises a holding block, a thread block, a driving rod and a connecting groove, the driving screw is connected to the lower portion of the holding block, the connecting groove is connected to the lower portion of the driving screw, the holding block and the driving screw are integrally rotated, the driving screw and the connecting groove are connected in a rotating mode, and a dial gauge is arranged on the surface of the holding block.

Preferably, one side of the driving screw is connected with the threaded block, the driving screw is connected with the threaded block in a threaded manner, and the threaded block is connected with the microscope main body in a sliding manner.

Preferably, the microscope body and the auxiliary block are integrally mounted, and a center point of the microscope body coincides with a center point of the objective lens body.

Compared with the prior art, the utility model has the beneficial effects that: the micro-focusing device for the microscope objective lens,

1. the driving screw rod and the holding block are arranged on one side of the objective main body, and the holding block drives the driving screw rod and the threaded block to perform threaded movement, so that the objective main body is driven to move up and down, focusing is completed, and the self-locking function of the driving screw rod and the threaded block is utilized, so that the use of a locking mechanism is eliminated, the parts for adjusting the objective are reduced, and the space of the internal parts of the microscope main body is saved;

2. through being provided with at the inside of microscope main part and depositing the mechanism to utilize the stopper to objective main part, but whole supporting shoe can directly be taken out when objective main part changes, thereby no matter change or overhaul objective main part all very convenient, be convenient for improve staff's maintenance efficiency to the objective.

Drawings

FIG. 1 is a schematic diagram of the overall front view of the present utility model;

FIG. 2 is a schematic elevational view of the storage mechanism of the present utility model;

FIG. 3 is a schematic top view of a microscope body of the present utility model;

FIG. 4 is a schematic top view of the seal cap of the present utility model;

fig. 5 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

In the figure: 1. a microscope base; 2. a storage mechanism; 201. a support block; 202. an objective main body; 203. sealing cover; 204. an insert block; 205. an adjusting rod; 206. a sliding groove; 207. a limiting block; 208. connecting a torsion spring; 209. an insertion groove; 3. an adjusting mechanism; 301. holding blocks; 302. a screw block; 303. driving a screw rod; 304. a connection groove; 4. an auxiliary block; 5. a microscope body.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to FIGS. 1-5, a micro-focusing device for a microscope objective lens includes

The microscope comprises a microscope base 1, wherein an auxiliary block 4 is connected above the microscope base 1, and one side of the auxiliary block 4 is connected with a microscope main body 5;

the storage mechanism 2, the storage mechanism 2 is located in the microscope main body 5, and one side of the storage mechanism 2 is provided with the adjustment mechanism 3.

The storage mechanism 2 further comprises a supporting block 201, an objective main body 202, a sealing cover 203, an inserting block 204, an adjusting rod 205, a sliding groove 206, a limiting block 207, a connecting torsion spring 208 and an inserting groove 209, wherein the connecting torsion spring 208 is connected to two sides of the supporting block 201, the limiting block 207 is connected to one side of the connecting torsion spring 208, the objective main body 202 is arranged in the supporting block 201, the supporting block 201 and the limiting block 207 form a rotating structure through the connecting torsion spring 208, the limiting blocks 207 are symmetrically distributed on two sides of the objective main body 202, the inserting groove 209 is formed in the upper portion of the sealing cover 203, the sealing cover 203 is located in the sliding groove 206, the inserting block 204 is arranged above the inserting groove 209, the adjusting rod 205 is connected to one side of the inserting block 204, the sealing cover 203 and the sliding groove 206 are connected in a sliding mode, the inserting groove 209 and the inserting block 204 are connected in a sliding mode, the inserting block 204 and the adjusting rod 205 are connected in a sliding mode, the objective main body 202 is limited through the limiting block 207, and the objective main body 202 is supported through the detachable supporting block 201, and the objective main body 202 can be rapidly overhauled.

The adjusting mechanism 3 further comprises a holding block 301, a threaded block 302, a driving screw rod 303 and a connecting groove 304, the driving screw rod 303 is connected to the lower portion of the holding block 301, the connecting groove 304 is connected to the lower portion of the driving screw rod 303, the holding block 301 and the driving screw rod 303 integrally rotate, the driving screw rod 303 is connected with the connecting groove 304 in a rotating mode, a scale table is arranged on the surface of the holding block 301, one side of the driving screw rod 303 is connected with the threaded block 302, the driving screw rod 303 is connected with the threaded block 302 in a threaded mode, the threaded block 302 is connected with the microscope main body 5 in a sliding mode, the objective main body 202 is adjusted by utilizing the intrinsic self-locking function of the driving screw rod 303, therefore, the space of the locking mechanism is saved, and the part structure inside the microscope main body 5 is reduced conveniently.

Working principle: according to fig. 1-5, when the focal length of the objective main body 202 needs to be adjusted, firstly, the holding block 301 is grasped, the holding block 301 is rotated afterwards, the holding block 301 drives the driving screw 303 to rotate in the rotating process, the driving screw 303 and the threaded block 302 perform threaded movement in the rotating process, and the threaded block 302 starts to lift up and down due to the limit of the microscope main body 5, so that the threaded block 302 and the supporting block 201 are integrally lifted, and the threaded block 302 drives the supporting block 201 to lift up and down, so that the objective main body 202 changes position, and the focusing adjustment work is completed;

according to fig. 1-5, when the objective main body 202 needs to be disassembled and overhauled, the insertion block 204 is withdrawn, the limit on the sealing cover 203 is released, then the sealing cover 203 is slid into the sliding groove 206, the gripping block 301 is grasped, the driving screw 303 is lifted, the driving screw 303 drives the threaded block 302 to lift the supporting block 201, the objective main body 202 is taken out, and overhauling is performed, which is the working process of the whole device, and the details which are not described in detail in the specification are all in the prior art known to those skilled in the art.

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

Claims

1. Micro-focusing device for microscope objective lens, which is characterized by comprising

The microscope comprises a microscope base, wherein an auxiliary block is connected above the microscope base, and one side of the auxiliary block is connected with a microscope main body;

the storage mechanism is positioned in the microscope main body, and one side of the storage mechanism is provided with an adjusting mechanism.

2. The micro-focusing device for the objective lens of a microscope according to claim 1, wherein: the storage mechanism further comprises a supporting block, an objective main body, a sealing cover, an inserting block, an adjusting rod, a sliding groove, a limiting block, a connecting torsion spring and an inserting groove, wherein the two sides of the supporting block are connected with the connecting torsion spring, one side of the connecting torsion spring is connected with the limiting block, the objective main body is arranged in the supporting block, the supporting block and the limiting block form a rotating structure through the connecting torsion spring, and the limiting blocks are symmetrically distributed on the two sides of the objective main body.

3. The micro-focusing device for the objective lens of the microscope according to claim 2, wherein: the sealing cover is characterized in that the inserting groove is formed in the upper portion of the sealing cover, the sealing cover is located inside the sliding groove, the inserting block is arranged above the inserting groove, one side of the inserting block is connected with the adjusting rod, the sealing cover is connected with the sliding groove in a sliding mode, the inserting groove is connected with the inserting block in a sliding mode, and the inserting block is connected with the adjusting rod in a sliding mode.

4. The micro-focusing device for the objective lens of a microscope according to claim 1, wherein: the adjusting mechanism further comprises a holding block, a thread block, a driving screw rod and a connecting groove, wherein the driving screw rod is connected to the lower portion of the holding block, the connecting groove is connected to the lower portion of the driving screw rod, the holding block and the driving screw rod rotate integrally, the driving screw rod is connected with the connecting groove in a rotating mode, and a dial gauge is arranged on the surface of the holding block.

5. The micro-focusing device for the objective lens of the microscope according to claim 4, wherein: one side of the driving screw rod is connected with the threaded block, the driving screw rod is connected with the threaded block in a threaded mode, and the threaded block is connected with the microscope main body in a sliding mode.

6. The micro-focusing device for the objective lens of the microscope according to claim 2, wherein: the microscope main body and the auxiliary block are integrally installed, and the center point of the microscope main body coincides with the center point of the objective main body.