CN105842837A - Focusing structure of coarse-fine-tuning coaxial microscope - Google Patents
Focusing structure of coarse-fine-tuning coaxial microscope Download PDFInfo
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- CN105842837A CN105842837A CN201610355883.7A CN201610355883A CN105842837A CN 105842837 A CN105842837 A CN 105842837A CN 201610355883 A CN201610355883 A CN 201610355883A CN 105842837 A CN105842837 A CN 105842837A
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- wheel
- coarse adjustment
- gear
- hand wheel
- adapter sleeve
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B21/00—Microscopes
- G02B21/24—Base structure
- G02B21/241—Devices for focusing
- G02B21/242—Devices for focusing with coarse and fine adjustment mechanism
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- Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Lens Barrels (AREA)
Abstract
The invention relates to a focusing structure of a coarse-fine-adjustment coaxial microscope. The focusing structure comprises a coarse tuning gear wheel (3), a fine tuning shaft (2), a tooth bar sleeve (1), a coarse tuning hand wheel (8), and a fine tuning hand wheel (9), wherein the tooth bar sleeve (1), the coarse tuning hand wheel (8), and the fine tuning hand wheel (9) are installed on a microscope body (14) axially. A fixed center wheel (4) is fixedly connected to one end of the tooth bar sleeve (1) between the tooth bar sleeve (1) and the coarse tuning hand wheel (8); and a connecting sleeve (5) sleeves the outer wall of one end, arranged inside the cavity of the fixed center wheel (4), of the coarse tuning gear wheel (3). A transmission mechanism includes a wave-shaped spring washer (10) and a fixed nut (11); the fixed nut (11) cooperates with a thread formed at the outer side of the end portion of the coarse tuning gear wheel (3); and the wave-shaped spring washer (10) is arranged between the inner wall of the connecting sleeve (5) and the fixed nut (11). A gear wheel is arranged at the outer wall of one end of the fixed center wheel (4); a center wheel (13) is arranged at the outer wall of the fine tuning shaft (2); and the fine tuning hand wheel (9) is fixedly connected with the end portion of the fine tuning shaft (2).
Description
Technical field
The present invention relates to a kind of microscope, the focusing structure of a kind of thick fine setting coaxial microscope.
Background technology
The WW type (structure of double-planetary gear external toothing) that the focusing structure of existing thick fine setting coaxial microscope uses, not only
Structure is complicated, and along with microscope uses the increase of time, its transmission efficiency can constantly reduce；Also have a kind of thick fine setting coaxial aobvious
Micro mirror focusing structure, arranges rolling bearing in inside, and this microscope transmission efficiency is low.
Summary of the invention
The technical problem to be solved: the thick tune finely tuning coaxial microscope of a kind of transmission efficiency height, simple in construction is provided
Close-burning structure.
In order to solve above-mentioned technical problem, the present invention is achieved by the following technical solutions: a kind of thick fine setting coaxial microscope
Focusing structure, it includes coarse adjustment gear, fine adjustment shaft, the rack barrel being axially mounted on microscope body, manually adjustable thick
Adjusting handwheel and trimming hand wheel, coarse adjustment gear is positioned at rack barrel, and fine adjustment shaft is positioned at coarse adjustment gear, and rack barrel one end is positioned at ratch
Being fixedly connected with fixed center wheel between set and coarse adjustment handwheel, coarse adjustment gear is positioned at one end outer wall socket of fixed center wheel cavity
Have and can be provided with drive mechanism, drive mechanism bag between described coarse adjustment gear and adapter sleeve with the adapter sleeve of coarse adjustment handwheel synchronous axial system
Include wave spring washer, fixing nut and three circumferences and be distributed on the planetary gear of adapter sleeve side, fixing nut and coarse adjustment gear
End outside screw coordinates, and wave spring washer is between adapter sleeve inwall and fixing nut and in compressive state；Planetary gear
Center is provided with axle sleeve, and adapter sleeve, axle sleeve and coarse adjustment handwheel pass sequentially through the fixing connection of bolt；
Fixed center is taken turns one end inwall and is provided with and planetary gear one end meshed gears, fine adjustment shaft outer wall be provided with planetary gear another
The centre wheel of end engaged transmission, trimming hand wheel is fixing with fine adjustment shaft end to be connected.
As preferably, between the connection end outer wall of described adapter sleeve and fixed center wheel, it is provided with packing ring.
As preferably, being provided with the cavity volume that can house square nut in described trimming hand wheel, trimming hand wheel outer wall is provided with and is available for clamp screw
Follow closely radially across through hole, through hole connects with cavity volume and the axis of the axis of through hole and cavity volume is on same straight line, trimming hand wheel
It is connected by holding screw and square nut are fixing with fine adjustment shaft.
Using said structure, advantage for present invention is: the present invention uses the structure of NW compound planet gear, transmission efficiency
Significantly improving referring now to existing WW structure, its operation principle is as follows: if during regulation coarse adjustment handwheel, coarse adjustment handwheel drives solid with it
The fixed adapter sleeve connected rotates, and wave spring washer can be made to produce elastic deformation when adapter sleeve rotates so that waveform elastic pad
Produce frictional force between circle and fixing nut side, drive and fix the coarse adjustment pinion rotation that nut thread is connected, so that with
The microscope tooth bar action of coarse adjustment gear engagement, completes coarse adjustment；If during regulation trimming hand wheel, trimming hand wheel drives fine adjustment shaft to rotate,
Rotated by the centre wheel on fine adjustment shaft and drive planetary gear rotation, owing to fixed center wheel is fixedly connected as not kinetoplast with rack barrel,
Planetary gear is driven with axle sleeve and fixes the adapter sleeve rotation being connected, as identical in regulation coarse adjustment handwheel principle, pass through waveform elastic
The frictional force of packing ring drives coarse adjustment pinion rotation, thus realizes fine setting operation；It addition, between wave spring washer and fixing nut
Cooperation also make focusing structure itself have the effect of gear anti-slipping, when accommodating to ultimate attainment, resistance be more than waveform elastic pad
During the frictional force enclosed so that the gear of focusing structure no longer rotates, prevent gear excessive slip from rotating and causing gear wear,
Affect its service life；Packing ring reduces the friction of adapter sleeve so that its rotation is smooth and easy；Accommodating square spiral shell it is provided with in trimming hand wheel
Female cavity volume, then through hole holding screw is connected through being fixed with trimming hand wheel by fine adjustment shaft after square nut, simple in construction, saves
Existing microscopic structure needs additionally to arrange the trouble of other inserts, and square nut low cost, easy for installation.
Accompanying drawing explanation
Fig. 1 is the assembling structural representation of the focusing structure of a kind of thick fine setting coaxial microscope of the present invention.
Fig. 2 is the cross-sectional view of the focusing structure of a kind of thick fine setting coaxial microscope of the present invention.
Fig. 3 is the section structure for amplifying schematic diagram in A-A direction in Fig. 2.
Fig. 4 is the motion principle sketch of the focusing structure of a kind of thick fine setting coaxial microscope of the present invention.
As shown in the figure: 1-rack barrel, 2-fine adjustment shaft, 3-coarse adjustment gear, 4-fixed center wheel, 5-adapter sleeve, 6-planetary gear,
7-axle sleeve, 8-coarse adjustment handwheel, 9-trimming hand wheel, 10-wave spring washer, 11-fixes nut, 12-packing ring, 13-centre wheel,
14-microscope body, 15-holding screw, 16-square nut.
Detailed description of the invention
The present invention is described further below in conjunction with the accompanying drawings.
In the present description, it is to be understood that term " on ", D score, " interior ", the indicating position such as " outward " or position close
System is based on the position relationship described in accompanying drawing, is for only for ease of the description present invention or simplifies description rather than indicate and must have
Specific orientation.
As shown in Figures 1 to 4, the focusing structure of a kind of thick fine setting coaxial microscope, it include coarse adjustment gear 3, fine adjustment shaft 2,
The rack barrel 1 being axially mounted on microscope body 14, manually adjustable coarse adjustment handwheel 8 and trimming hand wheel 9, coarse adjustment gear
3 are positioned at rack barrel 1, and fine adjustment shaft 2 is positioned at coarse adjustment gear 3, and rack barrel 1 one end is positioned at rack barrel 1 and coarse adjustment handwheel 8
Between be fixedly connected with fixed center wheel 4, coarse adjustment gear 3 be positioned at fixed center take turns that one end outer wall of 4 cavitys is socketed with can be with
The adapter sleeve 5 of coarse adjustment handwheel 8 synchronous axial system, is provided with drive mechanism, drive mechanism between described coarse adjustment gear 3 and adapter sleeve 5
The planetary gear 6 of adapter sleeve 5 side, fixing nut it is distributed on including wave spring washer 10, fixing nut 11 and three circumferences
11 coordinate with coarse adjustment gear 3 end outside screw, and wave spring washer 10 is between adapter sleeve 5 inwall and fixing nut 11
And in compressive state；Planetary gear 6 center is provided with axle sleeve 7, and it is solid that adapter sleeve 5, axle sleeve 7 and coarse adjustment handwheel 8 pass sequentially through bolt
Fixed connection；
Fixed center is taken turns 4 one end inwalls and is provided with and planetary gear 6 one end meshed gears, and fine adjustment shaft 2 outer wall is provided with and planet tooth
Taking turns the centre wheel 13 of 6 other end engaged transmission, trimming hand wheel 9 is fixing with fine adjustment shaft 2 end to be connected.
It is provided with packing ring between the connection end outer wall of described adapter sleeve 5 and fixed center wheel 4.
Being provided with the cavity volume that can house square nut 16 in described trimming hand wheel 9, trimming hand wheel 9 outer wall is provided with and is available for holding screw
15 radially across through hole, through hole connects with cavity volume and the axis of the axis of through hole and cavity volume is on same straight line, trimming hand wheel
9 are connected by holding screw 15 and square nut 16 are fixing with trimming hand wheel 2.
The present invention uses the structure of NW compound planet gear, and transmission efficiency significantly improves referring now to existing WW structure, its work
Principle is as follows: if during regulation coarse adjustment handwheel 8, coarse adjustment handwheel 8 drives the adapter sleeve 5 being secured to connect to rotate, at adapter sleeve
5 can make wave spring washer 10 produce elastic deformation when rotating so that wave spring washer 10 and fixing nut 11 side it
Between produce frictional force, drive and fix the coarse adjustment gear 3 that nut 11 threadeds and rotate, so that engage with coarse adjustment gear 3
Microscope tooth bar action, complete coarse adjustment；If during regulation trimming hand wheel 9, trimming hand wheel 9 drives fine adjustment shaft 2 to rotate, passes through
Centre wheel 13 on fine adjustment shaft 2 rotates and drives planetary gear 6 to rotate, owing to fixed center wheel 4 is fixedly connected as with rack barrel 1
Not kinetoplast so that planetary gear 6 drives the adapter sleeve 5 that be connected fixing with axle sleeve 7 to rotate, as identical in regulation coarse adjustment handwheel principle,
Drive coarse adjustment gear 3 to rotate by the frictional force of wave spring washer 10, thus realize fine setting operation；It addition, waveform elastic pad
Circle 10 and fixing nut 11 between coordinate the effect also making focusing structure itself have gear anti-slipping, ultimate attainment when accommodating to
Time, when resistance is more than the frictional force of wave spring washer 10 so that the gear of focusing structure no longer rotates, and prevents gear mistake
Degree skids and rotates and cause gear wear, affects its service life；Packing ring 12 reduces the friction of adapter sleeve 5 so that its rotation is suitable
Freely；In trimming hand wheel 9, it is provided with the cavity volume of accommodating square nut 16, then through hole holding screw 15 is incited somebody to action after square nut 16
Fine adjustment shaft 2 is fixing with trimming hand wheel 9 to be connected, and simple in construction, eliminating existing microscopic structure needs additionally to arrange other inserts
Trouble, and square nut low cost, easy for installation.
Being described the present invention and embodiment thereof above, this description does not has restricted, and shown in accompanying drawing is also this
One of embodiment of invention, actual structure is not limited thereto.If generally speaking those of ordinary skill in the art is by it
Enlightenment, in the case of without departing from the invention objective, designs the structure side similar to this technical scheme without creative
Formula and embodiment, all should belong to protection scope of the present invention.
Claims (3)
1. a focusing structure for thick fine setting coaxial microscope, it includes coarse adjustment gear (3), fine adjustment shaft (2), is axially mounted to
Rack barrel (1) on microscope body (14), manually adjustable coarse adjustment handwheel (8) and trimming hand wheel (9), coarse adjustment gear
(3) being positioned at rack barrel (1), fine adjustment shaft (2) is positioned at coarse adjustment gear (3), it is characterised in that: rack barrel (1)
End is positioned between rack barrel (1) and coarse adjustment handwheel (8) and is fixedly connected with fixed center wheel (4), and coarse adjustment gear (3) is positioned at solid
One end outer wall in wheel (4) cavity that centers be socketed with can with the adapter sleeve (5) of coarse adjustment handwheel (8) synchronous axial system, described slightly
Adjusting and be provided with drive mechanism between gear (3) and adapter sleeve (5), drive mechanism includes wave spring washer (10), fixing nut
(11) and three circumferences are distributed on the planetary gear (6) of adapter sleeve (5) side, fixing nut (11) and coarse adjustment gear (3)
End outside screw coordinates, and wave spring washer (10) is positioned between adapter sleeve (5) inwall and fixing nut (11) and in pressure
Contracting state；Planetary gear (6) center is provided with axle sleeve (7), and adapter sleeve (5), axle sleeve (7) and coarse adjustment handwheel (8) lead to successively
Cross the fixing connection of bolt；
Fixed center wheel (4) one end inwall is provided with and planetary gear (6) one end meshed gears, and fine adjustment shaft (2) outer wall is provided with
With the centre wheel (13) of planetary gear (6) other end engaged transmission, trimming hand wheel (9) is fixing with fine adjustment shaft (2) end even
Connect.
The focusing structure of a kind of thick fine setting coaxial microscope the most according to claim 1, it is characterised in that: described adapter sleeve
(5) it is provided with packing ring (12) between connection end outer wall and fixed center wheel (4).
The focusing structure of a kind of thick fine setting coaxial microscope the most according to claim 1, it is characterised in that: described fine setting hands
Being provided with, in wheel (9), the cavity volume that can house square nut (16), trimming hand wheel (9) outer wall is provided with and is available for holding screw (15)
Radially across through hole, through hole connects with cavity volume and the axis of the axis of through hole and cavity volume is on same straight line, trimming hand wheel (9)
It is connected by holding screw (15) and square nut (16) are fixing with fine adjustment shaft (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610355883.7A CN105842837B (en) | 2016-05-26 | 2016-05-26 | A kind of focusing structure of thick fine setting coaxial microscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610355883.7A CN105842837B (en) | 2016-05-26 | 2016-05-26 | A kind of focusing structure of thick fine setting coaxial microscope |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105842837A true CN105842837A (en) | 2016-08-10 |
| CN105842837B CN105842837B (en) | 2018-05-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610355883.7A Active CN105842837B (en) | 2016-05-26 | 2016-05-26 | A kind of focusing structure of thick fine setting coaxial microscope |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108670375A (en) * | 2018-07-16 | 2018-10-19 | 天津赛德生物制药有限公司 | A kind of prostate radiation seeds implanted system of biplane ultrasonic guiding |
| CN110161672A (en) * | 2019-06-11 | 2019-08-23 | 长春长光辰英生物科学仪器有限公司 | A kind of accurate displacement device that thick fine tuning combines |
| CN112731613A (en) * | 2020-12-30 | 2021-04-30 | 福建省腾恒光电有限公司 | Optical lens assembly convenient for adjusting distance |
| CN112936139A (en) * | 2021-02-25 | 2021-06-11 | 武汉晶芯光电有限公司 | Clamping system of controllable centre gripping thickness of intelligence in sapphire wafer processing process |
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| US20050190437A1 (en) * | 2002-09-10 | 2005-09-01 | Olympus Optical Co., Ltd | Microscopic image capture apparatus and microscopic image capturing method |
| CN101529305A (en) * | 2006-10-25 | 2009-09-09 | 株式会社尼康 | Microscopic device and microscopic image analysis method |
| JP2011242815A (en) * | 2011-09-08 | 2011-12-01 | Olympus Corp | Microscope system, and observation method |
| CN202330827U (en) * | 2011-11-21 | 2012-07-11 | 宁波市教学仪器有限公司 | Coarse-fine coaxial device |
| CN203204233U (en) * | 2012-08-10 | 2013-09-18 | 上海西光实业有限公司 | Automatic detection device applicable to microscope focusing |
| CN103322861A (en) * | 2013-06-08 | 2013-09-25 | 珠海市敏夫光学仪器有限公司 | Gear-driven adjusting hand wheel mechanism |
| CN204790171U (en) * | 2015-07-23 | 2015-11-18 | 重庆奥特光学仪器有限责任公司 | Optical microscope is with coaxial focusing mechanism of thick fine motion |
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2016
- 2016-05-26 CN CN201610355883.7A patent/CN105842837B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20050190437A1 (en) * | 2002-09-10 | 2005-09-01 | Olympus Optical Co., Ltd | Microscopic image capture apparatus and microscopic image capturing method |
| CN101529305A (en) * | 2006-10-25 | 2009-09-09 | 株式会社尼康 | Microscopic device and microscopic image analysis method |
| JP2011242815A (en) * | 2011-09-08 | 2011-12-01 | Olympus Corp | Microscope system, and observation method |
| CN202330827U (en) * | 2011-11-21 | 2012-07-11 | 宁波市教学仪器有限公司 | Coarse-fine coaxial device |
| CN203204233U (en) * | 2012-08-10 | 2013-09-18 | 上海西光实业有限公司 | Automatic detection device applicable to microscope focusing |
| CN103322861A (en) * | 2013-06-08 | 2013-09-25 | 珠海市敏夫光学仪器有限公司 | Gear-driven adjusting hand wheel mechanism |
| CN204790171U (en) * | 2015-07-23 | 2015-11-18 | 重庆奥特光学仪器有限责任公司 | Optical microscope is with coaxial focusing mechanism of thick fine motion |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108670375A (en) * | 2018-07-16 | 2018-10-19 | 天津赛德生物制药有限公司 | A kind of prostate radiation seeds implanted system of biplane ultrasonic guiding |
| CN110161672A (en) * | 2019-06-11 | 2019-08-23 | 长春长光辰英生物科学仪器有限公司 | A kind of accurate displacement device that thick fine tuning combines |
| CN110161672B (en) * | 2019-06-11 | 2022-05-10 | 长春长光辰英生物科学仪器有限公司 | Coarse-fine adjustment combined precise displacement device |
| CN112731613A (en) * | 2020-12-30 | 2021-04-30 | 福建省腾恒光电有限公司 | Optical lens assembly convenient for adjusting distance |
| CN112936139A (en) * | 2021-02-25 | 2021-06-11 | 武汉晶芯光电有限公司 | Clamping system of controllable centre gripping thickness of intelligence in sapphire wafer processing process |
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| Publication number | Publication date |
|---|---|
| CN105842837B (en) | 2018-05-01 |
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