CN220534141U

CN220534141U - Electron microscope workstation

Info

Publication number: CN220534141U
Application number: CN202322074369.4U
Authority: CN
Inventors: 张鑫
Original assignee: Harbin Zhengzheng Technology Co ltd
Current assignee: Harbin Zhengzheng Technology Co ltd
Priority date: 2023-08-03
Filing date: 2023-08-03
Publication date: 2024-02-27
Anticipated expiration: 2033-08-03

Abstract

The utility model discloses an electron microscope workbench, which comprises a fixed base, wherein a workbench body is arranged above the fixed base, a first height adjusting component is arranged in the middle of the upper surface of the fixed base, the first height adjusting component comprises a connecting column, a threaded rod and a first stepping motor, a second height adjusting component is arranged between the first height adjusting component and the workbench body, and comprises a mounting seat, a second stepping motor, a rack and a gear.

Description

Electron microscope workstation

Technical Field

The utility model relates to the technical field of chemical equipment, in particular to an electron microscope workbench.

Background

The microscope is mainly used for amplifying an instrument which can be seen by the naked eyes of a person as a tiny object, and the existing microscope is often arranged on a workbench, so that the microscope is convenient for workers to use.

The prior patent (publication number: CN 213946352U) proposes a work bench for a measuring microscope, which comprises a placing platform, wherein four corners of the bottom surface of the placing platform are fixedly connected with a group of lifting rods, the bottom ends of the four groups of lifting rods are respectively connected with a group of L-shaped rods through rotating shafts, the inner sides of the middle parts of the four groups of L-shaped rods are respectively connected with a group of base ejector rods through rotating shafts, and the two inner sides of the L-shaped rods are connected with another group of parallel rods. In the utility model, the height of the table body can be raised when needed, and the placing table can be lowered when not used, but the table has the following defects:

the L-shaped rod and the arc-shaped limiting frame are additionally arranged through the stabilizing bolts after the height is selected in the installation process, so that the support piece is fixed to the required height, the height adjustment method can only be carried out before the assembly, the limitation is high, the height adjustment is carried out in the use process, and the microscope still needs to be taken down to detach the L-shaped rod and the arc-shaped limiting frame for protecting the microscope, and then the height is changed.

Accordingly, one skilled in the art would provide an electron microscope stage that solves the problems set forth in the background art above.

Disclosure of Invention

The present utility model is directed to an electron microscope table for solving the above-mentioned problems.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides an electron microscope workstation, includes unable adjustment base, unable adjustment base top is provided with the workstation body, unable adjustment base upper surface middle part is provided with first altitude mixture control subassembly, first altitude mixture control subassembly includes spliced pole, threaded rod and first step motor, be provided with second altitude mixture control subassembly between first altitude mixture control subassembly and the workstation body, second altitude mixture control subassembly includes mount pad and second step motor, the through-hole has been seted up respectively in the mount pad four corners, and swing joint has the gag lever post in the through-hole, mount pad upper surface middle part vertical fixation has the rack, rack one side meshing has the gear, second step motor output fixed connection is in gear one side, fixed mounting has the installation piece between second step motor lateral wall and the workstation body.

As still further scheme of the utility model, the upper surface of the fixed base is fixedly provided with a support ring body, and one side of the support ring body, which is close to the workbench body, is provided with a plurality of groups of limiting holes.

As still further scheme of the utility model, a plurality of groups of limit posts are fixed on the lower surface of the workbench body, and the size of the limit posts is matched with the size of the limit holes.

As still further scheme of the utility model, the lower surface of the workbench body is fixedly provided with a connecting ring body, the inner diameter of the connecting ring body is larger than the outer diameter of the supporting ring body, and an elastic membrane is connected between the bottom end of the connecting ring body and the top end of the supporting ring body.

As a still further scheme of the utility model, a threaded hole is formed in the middle of the connecting column, and the threaded hole is matched with the threaded rod.

As still further scheme of the utility model, the output end of the first stepping motor is fixedly connected with one end of the threaded rod, and the bottom of the first stepping motor is fixedly arranged on the lower surface of the mounting seat.

As a still further proposal of the utility model, the limiting rod is positioned on the upper side and the lower side of the mounting seat, and limiting rings are respectively fixed on the upper side and the lower side of the mounting seat, and the distance between the two limiting rings is smaller than the length of the rack.

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

according to the utility model, the height of the workbench body is respectively adjusted through the first height adjusting component and the second height adjusting component, the first height adjusting component drives the workbench body to adjust the height quickly by a larger distance through the mutual matching between the threaded rod and the connecting column, the second height adjusting component drives the rack to move by a small distance up and down under the driving of the gear by starting the second stepping motor, and then the workbench body is driven to adjust the height finely by a small distance under the supporting effect between the first height adjusting component and the mounting seat, and the support can be kept stable continuously in the height adjusting process, so that the height of the workbench can be adjusted after the microscope is mounted.

Drawings

FIG. 1 is a perspective view of an electron microscope stage;

FIG. 2 is a schematic view of the internal structure of an electron microscope stage;

FIG. 3 is an enlarged view of FIG. 2 at A;

fig. 4 is a schematic structural view of a second height adjustment assembly in an electron microscope stage.

In the figure: 1. a fixed base; 101. a support ring body; 102. a limiting hole; 2. a workbench body; 201. a connecting ring body; 202. a limit column; 203. an elastic film; 3. a first height adjustment assembly; 301. a connecting column; 302. a threaded hole; 303. a threaded rod; 304. a first stepping motor; 4. a second height adjustment assembly; 401. a mounting base; 402. a limit rod; 403. a limiting ring; 404. a rack; 405. a second stepping motor; 406. a gear; 407. and (5) installing a block.

Detailed Description

Referring to fig. 1 to 4, in an embodiment of the present utility model, an electron microscope workbench includes a fixed base 1, a workbench body 2 is disposed above the fixed base 1, a first height adjusting component 3 is disposed in the middle of the upper surface of the fixed base 1, the first height adjusting component 3 includes a connecting post 301, a threaded rod 303 and a first stepper motor 304, a second height adjusting component 4 is disposed between the first height adjusting component 3 and the workbench body 2, the second height adjusting component 4 includes a mounting seat 401 and a second stepper motor 405, through holes are respectively formed in four corners of the mounting seat 401, a limiting rod 402 is movably connected in the through holes, a rack 404 is vertically fixed in the middle of the upper surface of the mounting seat 401, a gear 406 is meshed on one side of the rack 404, the gear 406 rotates to drive the rack 404 to perform a small distance displacement of an up-down height, an output end of the second stepper motor 405 is fixedly connected to one side of the gear 406, the second stepper motor 405 is driven to rotate by starting the second stepper motor 405, and a mounting block 407 is fixedly mounted between a side wall of the second stepper motor 405 and the workbench body 2.

As shown in fig. 2, the upper surface of the fixing base 1 is fixedly provided with a support ring body 101, one side of the support ring body 101, which is close to the workbench body 2, is provided with a plurality of groups of limiting holes 102, the lower surface of the workbench body 2 is fixedly provided with a plurality of groups of limiting columns 202, the sizes of the limiting columns 202 are matched with the sizes of the limiting holes 102, the lower surface of the workbench body 2 is fixedly provided with a connecting ring body 201, the inner diameter of the connecting ring body 201 is larger than the outer diameter of the support ring body 101, an elastic membrane 203 is connected between the bottom end of the connecting ring body 201 and the top end of the support ring body 101, and the elastic membrane 203 can effectively prevent dust from entering the support ring body 101 and avoid the influence of internal threaded connecting members.

As shown in fig. 2, a threaded hole 302 is formed in the middle of the connecting column 301, the threaded hole 302 is matched with the threaded rod 303, the output end of the first stepper motor 304 is fixedly connected to one end of the threaded rod 303, the bottom of the first stepper motor 304 is fixedly mounted on the lower surface of the mounting seat 401, the first stepper motor 304 is started, the first stepper motor 304 operates to drive the threaded rod 303 to rotate, the connecting column 301 which is connected to the threaded rod 303 through the threaded hole 302 is fixed on the fixed base 1, the first stepper motor 304 ascends along with the threaded rod, limiting rings 403 are respectively fixed on the upper side and the lower side of the limiting rod 402, and the distance between the two limiting rings 403 is smaller than the length of the rack 404.

The working principle of the utility model is as follows: the first height adjusting component 3 is matched with the connecting column 301 through the threaded rod 303, the first stepping motor 304 is started, the first stepping motor 304 operates to drive the threaded rod 303 to rotate, the connecting column 301 which is connected with the threaded rod 303 through the threaded hole 302 is fixed on the fixed base 1, the first stepping motor 304 ascends along with the threaded rod, the workbench body 2 is driven to conduct larger-distance and faster height adjustment, the second stepping motor 405 is started, the second stepping motor 405 operates to drive the gear 406 to rotate, the rack 404 is driven to conduct small-distance displacement of the upper and lower heights, and the workbench body 2 is driven to conduct fine height adjustment of the small distances under the supporting action between the first height adjusting component 3 and the mounting seat 401.

The foregoing description is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical solution of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. Electron microscope workstation, including unable adjustment base (1), its characterized in that: the utility model discloses a workbench, including fixed base (1), fixed base (1) upper surface middle part is provided with first altitude mixture control subassembly (3), first altitude mixture control subassembly (3) are including spliced pole (301), threaded rod (303) and first step motor (304), be provided with second altitude mixture control subassembly (4) between first altitude mixture control subassembly (3) and workbench body (2), second altitude mixture control subassembly (4) include mount pad (401) and second step motor (405), the through-hole has been seted up respectively in mount pad (401) four corners, and swing joint has gag lever post (402) in the through-hole, mount pad (401) upper surface middle part is fixed with rack (404) perpendicularly, rack (404) one side meshing has gear (406), fixed mounting has mount pad (407) between second step motor (405) lateral wall and workbench body (2) output fixed connection in gear (406) one side.

2. An electron microscope workbench according to claim 1, wherein a support ring body (101) is fixed on the upper surface of the fixed base (1), and a plurality of groups of limiting holes (102) are formed in one side, close to the workbench body (2), of the support ring body (101).

3. An electron microscope working table according to claim 2 characterized in that a plurality of groups of limiting posts (202) are fixed on the lower surface of the working table body (2), and the size of the limiting posts (202) is matched with the size of the limiting holes (102).

4. An electron microscope workbench according to claim 2, wherein a connecting ring body (201) is fixed on the lower surface of the workbench body (2), the inner diameter of the connecting ring body (201) is larger than the outer diameter of the supporting ring body (101), and an elastic membrane (203) is connected between the bottom end of the connecting ring body (201) and the top end of the supporting ring body (101).

5. An electron microscope stage according to claim 1, characterized in that the middle of the connecting column (301) is provided with a threaded hole (302), the threaded hole (302) being matched with a threaded rod (303).

6. The electron microscope workbench according to claim 1, wherein the output end of the first stepping motor (304) is fixedly connected to one end of the threaded rod (303), and the bottom of the first stepping motor (304) is fixedly arranged on the lower surface of the mounting seat (401).

7. An electron microscope working table according to claim 1, characterized in that the limit rods (402) are respectively fixed with limit rings (403) on the upper and lower sides of the mounting seat (401), and the distance between the two limit rings (403) is smaller than the length of the rack (404).