CN221149039U - Precise displacement mechanism applied to optical microscope - Google Patents

Abstract

The utility model relates to a precise displacement mechanism applied to an optical microscope, which comprises a stand column and a sliding seat arranged on the stand column, wherein the sliding seat vertically moves on one side of the stand column, a spiral gear shaft is transversely arranged in the sliding seat, the spiral gear shaft penetrates through the sliding seat and drives the sliding seat to synchronously move, a driving knob is arranged on the spiral gear shaft in a penetrating manner, the driving knob and the spiral gear shaft synchronously rotate, a fine tuning knob is arranged on one side of the driving knob, the fine tuning knob is inserted at two ends of the spiral gear shaft, the fine tuning knob and the spiral gear shaft synchronously rotate, a duplex gear set is arranged on one side of the driving knob, the duplex gear set is meshed with the spiral gear shaft, the driving knob drives the duplex gear set and the spiral gear shaft to synchronously rotate, a main gear is sleeved on the spiral gear shaft, the duplex gear set is meshed with the main gear, and the fine tuning knob drives the spiral gear shaft and the main gear shaft to synchronously rotate.

Description

Precise displacement mechanism applied to optical microscope

Technical Field

The application relates to the field of optical microscopes, in particular to a precise displacement mechanism applied to an optical microscope.

Background

An Optical Microscope (OM) is a microscope (microscope), which uses the optical principle to magnify and image tiny objects which cannot be resolved by naked eyes, so that people can extract tiny structure information, and different operators can observe different heights of the ocular on the optical microscope, so that the height of the ocular needs to be adjusted, and the operator can observe better, while the adjusting device of the existing optical microscope can only adjust the height of the ocular greatly, but after adjusting the height of the ocular greatly, the height of the ocular does not necessarily accord with the observation height of the operator, namely, the height of the ocular needs to be finely adjusted.

Disclosure of utility model

In view of the shortcomings of the prior art, the application aims to provide a precision displacement mechanism applied to an optical microscope, which comprises a stand column and a sliding seat arranged on the stand column, wherein the sliding seat vertically moves on one side of the stand column, a spiral gear shaft is transversely arranged in the sliding seat and penetrates through the sliding seat, the spiral gear shaft drives the sliding seat to synchronously move, a driving knob is arranged on the spiral gear shaft in a penetrating manner and is positioned on the side edge of the sliding seat, the driving knob synchronously rotates with the spiral gear shaft, a fine tuning knob is arranged on one side of the driving knob and is inserted at two ends of the spiral gear shaft, the fine tuning knob synchronously rotates with the spiral gear shaft, a duplex gear set is arranged on one side of the driving knob and is meshed with the spiral gear shaft, the driving knob drives the duplex gear set to synchronously rotate with the spiral gear shaft, a main gear is sleeved on the spiral gear shaft, the duplex gear set is meshed with the main gear, and the fine tuning knob drives the spiral gear shaft to synchronously rotate with the main gear shaft.

Preferably, a fixed seat is arranged between the sliding seat and the spiral gear shaft, the fixed seat is sleeved on the spiral gear shaft, the fixed seat and the spiral gear shaft synchronously rotate, a bearing is transversely arranged between the fixed seat and the spiral gear shaft, the bearing is sleeved on the spiral gear shaft, and the bearings are distributed at two ends of the fixed seat.

Preferably, a rack is arranged between the upright post and the sliding seat, the rack is vertically arranged on one side of the upright post, and the rack is meshed with the helical gear shaft.

Preferably, a pressing ring is sleeved on one side of the driving knob, the pressing ring is in threaded engagement with the fixing seat, and the pressing ring is in threaded engagement with the fixing seat through the pressing ring, so that the pressing ring transversely moves on the driving knob, a plurality of friction rings are arranged between the pressing ring and the fixing seat, the friction rings are sleeved on the fixing seat, and the friction rings transversely move on the fixing seat through the pressing ring.

Preferably, the rack is arranged on one side of the upright post, the sliding components are arranged on two sides of the rack, the upright post and the sliding components are in moving fit, the sliding seat and the sliding components move in the same direction, and the sliding seat moves on the upright post more stably through the sliding components and the mutual fit between the upright post and the sliding seat.

In summary, the application has the following beneficial effects:

Through rotating the fine tuning knob, the power potential energy is transmitted to the upper main gear through the spiral gear shaft when the fine tuning knob rotates, so that the main gear drives the duplex gear set to synchronously rotate on the upright post together with the sliding seat, the gear number of the duplex gear set is driven by the number of teeth of the main gear to rotate, the spiral gear shaft drives the sliding seat to vertically fine tune on one side of the upright post, and the fine tuning knob, the spiral gear shaft, the main gear and the duplex gear set are mutually matched, so that the technical problem that the adjusting device of the conventional optical microscope can only adjust the height of the ocular greatly, but after the height of the ocular is adjusted greatly, the height of the ocular does not necessarily meet the observation height of an operator is effectively solved.

Drawings

FIG. 1 is a schematic diagram of the whole structure of a precision displacement mechanism applied to an optical microscope;

FIG. 2 is another schematic diagram of a precision displacement mechanism for use with an optical microscope;

Fig. 3 is a schematic view of a precise displacement mechanism applied to an optical microscope.

Reference numerals: 1. a column; 2. a slide; 3. a helical gear shaft; 4. a fine tuning knob; 5. driving a knob; 6. a duplex gear set; 7. a main gear; 8. a fixing seat; 9. a bearing; 10. a rack; 11. a pressing ring; 12. a friction ring; 13. a sliding assembly.

Detailed Description

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly or indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The utility model provides a be applied to precision displacement mechanism on optical microscope, see fig. 1 through 3, including stand 1 and the slide 2 of setting on stand 1, and slide 2 is in the vertical removal of stand 1 one side, the inside horizontal spiral gear shaft 3 that is provided with of slide 2, and spiral gear shaft 3 runs through slide 2, and spiral gear shaft 3 drive slide 2 synchronous motion, the cover is equipped with drive knob 5 on the spiral gear shaft 3, and drive knob 5 is located slide 2 side, and drive knob 5 and spiral gear shaft 3 synchronous rotation, drive knob 5 one side is provided with fine setting knob 4, fine setting knob 4 cartridge is in spiral gear shaft 3 both ends, and fine setting knob 4 and spiral gear shaft 3 synchronous rotation, drive knob 5 inside one side is provided with duplex gear set 6, and duplex gear set 6 and spiral gear shaft 3 intermesh, and drive knob 5 drive duplex gear set 6 and spiral gear shaft 3 synchronous rotation, the cover is equipped with master gear 7 on the spiral gear shaft 3, and duplex gear set 6 and master gear 7 intermesh, and fine setting knob 4 drive spiral gear shaft 3 and master gear 7 synchronous rotation.

A fixed seat 8 is arranged between the sliding seat 2 and the spiral gear shaft 3, the fixed seat 8 is sleeved on the spiral gear shaft 3, the fixed seat 8 and the spiral gear shaft 3 synchronously rotate, a bearing 9 is transversely arranged between the fixed seat 8 and the spiral gear shaft 3, the bearing 9 is sleeved on the spiral gear shaft 3, the bearings 9 are distributed at two ends of the fixed seat 8, a rack 10 is arranged between the upright post 1 and the sliding seat 2, the rack 10 is vertically arranged on one side of the upright post 1, and the rack 10 is meshed with the spiral gear shaft 3;

In this embodiment, the gear number of the duplex gear set 6 is greater than the gear number of the main gear 7 and the gear number of the spiral gear shaft 3, so when the height of the sliding seat 2 on the upright post 1 needs to be greatly adjusted in this embodiment, only the driving knob 5 needs to be rotated, the power potential energy is transferred to the duplex gear set 6 when the driving knob 5 rotates, so that the duplex gear set 6 drives the spiral gear shaft 3 to synchronously rotate on the upright post 1 together with the sliding seat 2, the gear number of the duplex gear set 6 is utilized to drive the gear number of the spiral gear shaft 3 to rotate, and further the spiral gear shaft 3 drives the sliding seat 2 to vertically and quickly move on one side of the upright post 1, when the height of the sliding seat 2 on the upright post 1 needs to be finely adjusted in this embodiment, only the fine tuning knob 4 needs to be rotated, and the power potential energy is transferred to the main gear 7 through the spiral gear shaft 3 when the fine tuning knob 4 rotates, so that the main gear 7 drives the duplex gear set 6 and the sliding seat 2 to synchronously rotate on the upright 1, the gear teeth of the duplex gear set 6 are driven to rotate by the tooth number of the main gear 7, the spiral gear shaft 3 drives the sliding seat 2 to vertically fine-tune on one side of the upright 1, the problem that the height of an eyepiece can only be greatly adjusted by the adjusting device of the traditional optical microscope, but after the height of the eyepiece is greatly adjusted, the height of the eyepiece does not necessarily accord with the technical problem of the observation height of an operator is solved, the implementation force can rotate the single-side fine-tuning knob 4 to finely tune the sliding seat 2, and simultaneously rotate the double-side fine-tuning knob 4 to finely tune the sliding seat 2, bilateral fine setting knob 4 rotates simultaneously and can be more laborsaving when finely setting slide 2, and this embodiment can effectively eliminate the axial clearance of this embodiment through single-ended fixed mode, and the positioning accuracy of fine setting of this embodiment can reach 0.001mm to the design of duplex gear train 6 and bearing 9 can make this implementation power more steady when transmitting power potential energy.

A pressing ring 11 is sleeved on one side of the driving knob 5, the pressing ring 11 is in threaded engagement with the fixed seat 8, the pressing ring 11 transversely moves on the driving knob 5 through the threaded engagement of the pressing ring 11 and the fixed seat 8, a plurality of friction rings 12 are arranged between the pressing ring 11 and the fixed seat 8, the friction rings 12 are sleeved on the fixed seat 8, and the friction rings 12 transversely move on the fixed seat 8 through the pressing ring 11;

After the height of the sliding seat 2 is determined, the pressing ring 11 can be driven to rotate, and the pressing ring 11 is in threaded engagement with the fixing seat 8, so that the pressing ring 11 drives the friction ring 12 to synchronously approach the driving knob 5, and the height of the sliding seat 2 is fixed by utilizing the friction resistance of the friction ring 12.

The stand 1 one side is provided with slip subassembly 13, and slip subassembly 13 arranges the rack 10 both sides in to remove the cooperation between stand 1 and the slip subassembly 13, the syntropy removes between slide 2 and the slip subassembly 13, and through the mutual cooperation between slip subassembly 13 and stand 1 and slide 2, make slide 2 more steady when moving on stand 1.

The above-described embodiments are merely illustrative of the present application and are not intended to be limiting, and modifications may be made to the embodiments by those skilled in the art without creative contribution as required after reading the present specification, but are protected by patent laws within the scope of the appended claims.

Claims (5)

1. The utility model provides a be applied to precision displacement mechanism on optical microscope, its characterized in that includes the stand and sets up the slide on the stand, and the slide is in stand one side vertical movement, the inside spiral gear axle that transversely is provided with of slide, and spiral gear axle runs through the slide to spiral gear axle drive slide synchronous motion, run through the cover on the spiral gear axle and be equipped with the drive knob, and the drive knob is located the slide side to drive knob and spiral gear axle synchronous rotation, drive knob one side is provided with the fine setting knob, and the fine setting knob cartridge is in spiral gear axle both ends to fine setting knob and spiral gear axle synchronous rotation, drive knob inside one side is provided with duplex gear group, and duplex gear group and spiral gear axle intermeshing to drive duplex gear group and spiral gear axle synchronous rotation, the cover is equipped with the master gear on the spiral gear axle, and duplex gear group and master gear intermeshing, and fine setting knob drive spiral gear axle and master gear synchronous rotation.

2. The precise displacement mechanism for the optical microscope according to claim 1, wherein a fixed seat is arranged between the sliding seat and the spiral gear shaft, the fixed seat is sleeved on the spiral gear shaft, the fixed seat and the spiral gear shaft synchronously rotate, a bearing is transversely arranged between the fixed seat and the spiral gear shaft, the bearing is sleeved on the spiral gear shaft, and the bearings are distributed at two ends of the fixed seat.

3. The precise displacement mechanism for the optical microscope according to claim 1, wherein a rack is arranged between the upright post and the sliding seat, the rack is vertically arranged on one side of the upright post, and the rack is meshed with the screw gear shaft.

4. The precise displacement mechanism for the optical microscope according to claim 1, wherein the pressing ring is sleeved on one side of the driving knob, is in threaded engagement with the fixing seat, and is in threaded engagement with the fixing seat through the pressing ring, so that the pressing ring moves transversely on the driving knob, a plurality of friction rings are arranged between the pressing ring and the fixing seat, the friction rings are sleeved on the fixing seat, and the friction rings move transversely on the fixing seat through the pressing ring.

5. The precise displacement mechanism for the optical microscope according to claim 3, wherein the sliding assembly is arranged on one side of the upright post, the sliding assembly is arranged on two sides of the rack, the upright post and the sliding assembly are in moving fit, the sliding seat and the sliding assembly move in the same direction, and the sliding seat moves on the upright post more stably through the mutual fit between the sliding assembly and the upright post and the sliding seat.