CN101750727B - Image rotating and erecting device of stereomicroscope - Google Patents
Image rotating and erecting device of stereomicroscope Download PDFInfo
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- CN101750727B CN101750727B CN2010100396759A CN201010039675A CN101750727B CN 101750727 B CN101750727 B CN 101750727B CN 2010100396759 A CN2010100396759 A CN 2010100396759A CN 201010039675 A CN201010039675 A CN 201010039675A CN 101750727 B CN101750727 B CN 101750727B
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Abstract
The invention relates to an image rotating and erecting device of a stereomicroscope, which comprises a base (1), an objective lens group (2) and an ocular lens group (3) and is characterized in that the image rotating and erecting device further comprises an adjusting shell (4), a substrate (5), a first gear (6), a gear shaft (7) and a second gear (10); the ocular lens group (3) is installed at the front part of the adjusting shell one end of which is rotatably connected on the base through a rotating shaft; the objective lens group (2) is installed on the substrate which is rotatably installed on the rotating shaft; the first gear (6) is fixed with the inner wall of one side of the adjusting shell; two ends of the gear shaft (7) are rotatably installed in the base (1), a gear wheel (8) meshed with the first gear is fixed at one end of the gear shaft, and a pinion (9) is fixed at the other end of the gear shaft; and the second gear (10) is fixed with one side of the substrate and is meshed with the pinion. The image rotating and erecting device is capable of steplessly adjusting the inclination angle of the visual observation (the stereo observation angle) until the inclination angle of the visual observation is matched with the ocular height of the observer per se, so that the observer can keep a comfortable observation angle, thus reducing the fatigue of the vertebrae of the observer.
Description
Technical field
The present invention relates to a kind of stereomicroscope, be specifically related to a kind of image rotation, erect image device of stereomicroscope.
Background technology
Stereomicroscope can be described as stereomicroscope again or claims operation or dissecting microscope, is a kind ofly to have the relief visual instrument of erect image with visible light as light source, and microscope is observed by object images that member amplified such as object lens through eyepiece.Its optical texture principle is by shared elementary object lens; Also claimed that by two groups of middle object lens varifocal mirror separately to two light beams behind the object image-forming; And the group have a certain degree be called stereoscopic angle be generally 12 the degree～15 the degree; Warp eyepiece imaging separately again, it is to obtain by changing the distance between the intermediate mirror group that its multiplying power changes.It comes down to two monocular tube microscopes and places side by side, and the optical axis of two lens barrels constitutes formed visual angle when being equivalent to people with object of binocular vision, forms three-dimensional 3 D visual image with this.Its characteristics are: whole aspects that field number is big, depth of focus is convenient to observe object to be detected greatly like this; Though magnification is not as conventional microscope, its operating distance is very long; Similarly be upright, be convenient to practical operation, this is because the prism handle below eyepiece resembles cause the other way around.Request for utilization according to reality; Present stereomicroscope can be matched abundant annex; Such as matching higher eyepiece of enlargement ratio and attachment objective if expect bigger enlargement factor; Can form digital imaging system access computing machine through various digital interfaces and digital camera, camera, electronic eyepiece and image analysis software and carry out analyzing and processing, illuminator also has reflected light, transillumination, and light source has Halogen lamp LED, annular lamp, fluorescent light, cold light source or the like.Determined its widespread use in commercial production and scientific research according to these optical principles of stereomicroscope and characteristics.Such as being used for sectioning and microsurgery at biological, medical domain; In industry, be used for the work such as observation, assembling, inspection of micro parts and integrated circuit.
Like a patent No. is the microscopic structure of Chinese utility model patent " said three-dimensional body stereomicroscope " disclosure of ZL200420034038.2 (notification number is CN2716854Y); And as a patent No. be the mentioned microscopic structure of Chinese utility model patent " stereo microscope LED cold light source illuminator " of ZL200620004024.5 (notification number is CN2914118Y), basic identical with traditional stereomicroscope.
The visualization angle of inclination (stereoscopic angle) of the various stereomicroscopes that use at present immobilizes; The observer of so different heights can only adapt to the needs of observation through the visual height of adjusting self, and it is tired that therefore this view mode is prone to cause observer's observation.
Summary of the invention
Technical matters to be solved by this invention is image rotation, the erect image device that the adjustable stereomicroscope in a kind of visualization angle of inclination (stereoscopic angle) is provided to above-mentioned prior art present situation.
The present invention solves the problems of the technologies described above the technical scheme that is adopted: a kind of image rotation of stereomicroscope, erect image device, include the base that the bottom has light hole, and be located at the objective lens in the base, be located at the eyepiece group on the base; It is characterized in that: also comprise adjustment housings, said eyepiece group is installed in the front portion of adjustment housings, the both sides of this adjustment housings one end be rotatably connected between two madial walls of base through the rotating shaft part and relatively base rotate; Substrate, said objective lens are installed on this substrate, and this substrate is positioned at adjustment housings, and the both sides of substrate are rotatably installed on the said rotating shaft part and can be around this rotating shaft part rotation; First gear, its inwall with said adjustment housings one side is fixed and can be with adjustment housings part deflection around the shaft; Gear shaft, its two ends are rotatably installed in the base and can rotate around self axis, and an end of this gear shaft is fixed with gear wheel, this gear wheel and said first gearing mesh, and the other end of gear shaft is fixed with pinion wheel; Second gear, its side with said substrate is fixed and can be with substrate part deflection around the shaft, this second gear and said pinion.
Top in the above-mentioned adjustment housings is fixed with stationary shaft; Bottom in the said base is fixed with brace; The top of this brace is fixed with limit shaft; Be arranged with the limiting plate that has bar hole on it on the said stationary shaft, said bar hole is passed in said limit shaft activity also can slippage relatively in bar hole.Spacing through limit shaft and bar hole; Can carry out spacing to the rotational angle of adjustment housings and the relative base of substrate; Promptly carry out spacing to eyepiece group visualization angle of inclination (stereoscopic angle); Prevent that effectively transition from rotating the eyepiece group and damaging this stereomicroscope, generally we are limited to visualization angle of inclination (stereoscopic angle) between 0～30 ° rationally.
Collude on the said fixing axle and be provided with first extension spring, the other end of this first extension spring colludes and is being fixed on first spring base of base inner bottom part.Such first extension spring has a damping action to the rotation of the relative base of adjustment housings, increases the feel of rotating, and prevents that the adjustment housings rotation is too quickly.
In like manner, collude on the said gear axle and be provided with second extension spring, the other end of this second extension spring colludes and is being fixed on second spring base of substrate back.Such second extension spring has a damping action to the rotation of the relative base of substrate that is fixed with objective lens, prevents that substrate rotating is too quickly.
Above-mentioned rotating shaft part is a thimble; This thimble is installed in the joint flange; The coupling shaft activity in the joint flange outside plugs and is spacing in the axis hole of base side wall and can be around self axis rotation; And the lateral wall of this joint flange and said adjustment housings is fixed, and said substrate both sides are fixed with bearing respectively, and said thimble one end inserts and withstand said bearing after passing joint flange; Said first gear is fixed therein on the medial surface of a side joint flange, and said second geared sleeve is located on the bearing with the corresponding side of this second gear and with the lateral surface of substrate and fixes.This structure is convenient to the rotating shaft part on request in the base, is convenient to simultaneously first gear is installed on the base relatively, and second gear is installed in the substrate sidepiece.Certainly the rotating shaft part also can be plain shaft.
The installed surface of above-mentioned joint flange is fixed through screw and adjustment housings; The outer face of said first gear is fixed through the screw and the inner face of corresponding joint flange; The inner face of said second gear is fixed through screw and the corresponding lateral surface of this substrate.
Respectively have a threaded hole on the above-mentioned base bilateral wall; Each threaded hole internal thread is connected with a movable resistance silk; The inner face of each movable resistance silk is a concave surface; Outer face, said gear shaft both sides also is a concave surface, is provided with ball between the concave surface of the concave surface of gear shaft and movable resistance silk, and one of them movable resistance silk is fixed in the threaded hole.It is rotatably installed in the concrete structure in the base with gear shaft for a kind of, through rotating the elasticity that one of them movable resistance silk just can the regulating tooth wheel shaft rotates.
Compared with prior art, the invention has the advantages that: the eyepiece group is installed on the adjustment housings, and adjustment housings base rotation relatively; Objective lens is installed on the substrate; And equally also base rotation relatively of substrate, and substrate is coaxial rotation with adjustment housings, again the gear set effect through first gear, gear wheel, pinion wheel and second gear composition; Make adjustment housings and substrate to rotate by synchronous differential; Guarantee effectively no matter what angle is the eyepiece group turn to, make the emergent light axis that reflects through objective lens coaxial, guarantee accurately to observe object through the eyepiece group with the mechanical axis hole of eyepiece group; Therefore image rotation, the erect image device of this stereomicroscope can be in the certain angle scopes step-less adjustment visualization angle of inclination (stereoscopic angle); This visualization angle of inclination (stereoscopic angle) and observer's self visual height are matched, and the observer can keep comfortable height of observation like this, alleviates cervical vertebra fatigue.
Description of drawings
Fig. 1 is the partial cut-away view of embodiment of the invention side direction;
Fig. 2 overlooks the partial sectional view of state for the embodiment of the invention;
Fig. 3 is that the A-A of Fig. 2 is to cut-open view;
Fig. 4 is that the B-B of Fig. 2 is to cut-open view;
Fig. 5 is the stereographic map of the embodiment of the invention;
Fig. 6 drives the stereographic map that removes after part of base and the adjustment housings for the embodiment of the invention;
Fig. 7 removes the three-dimensional exploded view after base and the eyepiece group for the embodiment of the invention.
Embodiment
Embodiment describes in further detail the present invention below in conjunction with accompanying drawing.
Shown in Fig. 1～7, be a preferred embodiment of the present invention.
A kind of image rotation of stereomicroscope, erect image device include the base 1 that the bottom has light hole 11, and base 1 is made up of upper casing and lower casing two parts; Be located at the objective lens 2 in the base 1; Be located at the eyepiece group 3 on the base 1, the housing internal fixation of eyepiece group 3 has rhombic prism 31, and optical axis incides objective lens 2 from light hole 11; Through secondary reflecting on the rhombic prism 31 of objective lens 2 upper reflectors; After rhombic prism 31 penetrates from the eyepiece group, reach erect image, erect image purpose, it be the conventional microscopical light path principle of pointing out.
One end of gear shaft 7 is fixed with gear wheel 8, this gear wheel 8 and 6 engagements of said first gear, and the other end of gear shaft 7 is fixed with pinion wheel 9, and gear wheel 8 can be with gear shaft 7 rotations with pinion wheel 9.
After supposing that eyepiece group 3 rotates 30 ° of angles with adjustment housings; The axis of the mechanical axis hole of eyepiece group 3 and the angle between the incident light axis are to reduce by 30 ° of angles; According to the light path principle of reflection, 3 of objective lens need reduce 30 ° with the angle of incident light axis and reflection optical axis, could guarantee through the emergent light axis of objective lens 3 reflections coaxial with the mechanical axis hole of eyepiece group 3; Therefore 3 need of objective lens rotate 15 ° of angles with substrate; Promptly to make adjustment housings 4 and substrate 5 synchronously differential rotate, therefore the ratio of gear of the gear set formed of first gear 6, gear wheel 8, pinion wheel 9 and second gear 10 is 2: 1, the velocity of rotation of adjustment housings 4 is the twice of the velocity of rotation of substrate 5; So no matter eyepiece group 3 turns to any angle, can both guarantee through the emergent light axis of objective lens 3 reflections coaxial with the mechanical axis hole of eyepiece group 3.Certainly ratio of gear neither 2: 1, if light hole 11 enough greatly also can employings and 2: 1 close ratio of gear.
Top in the adjustment housings 4 is fixed with stationary shaft 12; Bottom in the base 1 is fixed with brace 13; This brace 13 is roughly L-shaped, and the top of this brace 13 is fixed with limit shaft 14, is arranged with the limiting plate 15 that has bar hole 151 on it on the stationary shaft 12; It is spacing with nut 27 at the opposite side of limiting plate that bar hole 151 is passed in limit shaft 14 activities, makes that limit shaft can only be along slippage relatively on the length direction of bar hole 151.
Collude on the stationary shaft 12 and be provided with first extension spring 16, the other end of this first extension spring 16 colludes and is being fixed on first spring base 17 of base 1 inner bottom part, and first extension spring has a damping action to the rotation of the relative base of adjustment housings, increases adjustment housings and rotates the feel that makes.Collude on the gear shaft 7 and be provided with second extension spring 18, the other end of this second extension spring 18 colludes and is being fixed on second spring base 51 at substrate 5 back sides, and second extension spring has a damping action to the rotation of the relative base of substrate that is fixed with objective lens, prevents that substrate rotating is too quickly.
Principle of work of the present invention and process are following:
When the observer need adjust the observation angle of inclination, pull the eyepiece group with hand, adjustment housings is axis tilt with the thimble with the eyepiece group; Thereby drive first gear also is axis tilt with the thimble; Gear wheel on the first gear driven gear shaft rotates, thus gear shaft and on pinion wheel around self axis rotation, pinion wheel drives the second gear rotation fixing with substrate; Substrate also this drive rotates around the thimble axis; Because the ratio of gear of the gear set that first gear 6, gear wheel 8, pinion wheel 9 and second gear 10 are formed is 2: 1, so adjustment housings rotates with the synchronous differential of substrate, i.e. the angle of eyepiece group rotation is the twice of objective lens rotational angle; Thereby make the emergent light axis of objective lens reflection coaxial, guarantee accurately to observe object through the eyepiece group with the mechanical axis hole of eyepiece group.
Claims (7)
1. the image rotation of a stereomicroscope, erect image device include the base (1) that the bottom has light hole (11), are located at the objective lens (2) in the base (1), are located at the eyepiece group (3) on the base (1); It is characterized in that: also comprise
Adjustment housings (4), said eyepiece group (3) is installed in the front portion of adjustment housings (4), the both sides of these adjustment housings (4) one ends be rotatably connected between two madial walls of base (1) through the rotating shaft part and relatively base (1) rotate;
Substrate (5), said objective lens (3) are installed on this substrate (5), and this substrate (5) is positioned at adjustment housings (4), and the both sides of substrate (5) are rotatably installed on the said rotating shaft part and can be around this rotating shaft part rotation;
First gear (6), its inwall with said adjustment housings (4) one sides is fixed and can be with adjustment housings (4) part deflection around the shaft;
Gear shaft (7), its two ends are rotatably installed in the base (1) and can rotate around self axis, and an end of this gear shaft (7) is fixed with gear wheel (8), this gear wheel (8) and said first gear (6) engagement, and the other end of gear shaft (7) is fixed with pinion wheel (9);
Second gear (10), its side with said substrate (5) is fixed and can be with substrate (5) part deflection around the shaft, this second gear (10) and said pinion wheel (9) engagement.
2. the image rotation of stereomicroscope according to claim 1, erect image device; It is characterized in that: the top in the said adjustment housings (4) is fixed with stationary shaft (12); Bottom in the said base (1) is fixed with brace (13); The top of this brace (13) is fixed with limit shaft (14), is arranged with the limiting plate (15) that has bar hole (151) on it on the said stationary shaft (12), and said bar hole (151) is passed in said limit shaft (14) activity also can slippage relatively in bar hole (151).
3. the image rotation of stereomicroscope according to claim 2, erect image device; It is characterized in that: collude on the said stationary shaft (12) and be provided with first extension spring (16), the other end of this first extension spring (16) colludes on first spring base (17) that is fixed in base (1) inner bottom part.
4. the image rotation of stereomicroscope according to claim 3, erect image device, it is characterized in that: collude on the said gear shaft (7) and be provided with second extension spring (18), the other end of this second extension spring (18) colludes on second spring base (51) that is fixed in substrate (5) back side.
5. according to image rotation, the erect image device of the described stereomicroscope of arbitrary claim in the claim 1～4; It is characterized in that: said rotating shaft part is thimble (19); This thimble (19) is installed in the joint flange (20); Coupling shaft (201) activity in joint flange (20) outside plugs also also can rotate around self axis in the spacing axis hole at base side wall (21); And this joint flange (20) is fixed with the lateral wall of said adjustment housings (4), and said substrate (5) both sides are fixed with bearing (22) respectively, insert and withstand said bearing (22) after said thimble (19) one ends pass joint flange (20); Said first gear (6) is fixed therein on the medial surface of a side joint flange (20), and said second gear (10) is set in the bearing (22) of the corresponding side of this second gear (10) and goes up and fix with the lateral surface of substrate (5).
6. the image rotation of stereomicroscope according to claim 5, erect image device is characterized in that: the installed surface of said joint flange (20) is fixed through screw and adjustment housings (4); The outer face of said first gear (6) is fixed through the screw and the inner face of corresponding joint flange (20); The inner face of said second gear (10) is fixed through screw and the corresponding lateral surface of this substrate (5).
7. according to image rotation, the erect image device of the described stereomicroscope of arbitrary claim in the claim 1～4; It is characterized in that: said base (1) respectively has a threaded hole (23) on the two side; Each threaded hole (23) internal thread is connected with a movable resistance silk (24); The inner face of each movable resistance silk (24) is a concave surface; Said gear shaft (7) outer face, both sides also is a concave surface, is provided with ball (25) between the concave surface of the concave surface of gear shaft (7) and movable resistance silk (24), and one of them movable resistance silk (24) is fixed in the threaded hole (23).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100396759A CN101750727B (en) | 2010-01-12 | 2010-01-12 | Image rotating and erecting device of stereomicroscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010100396759A CN101750727B (en) | 2010-01-12 | 2010-01-12 | Image rotating and erecting device of stereomicroscope |
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| Publication Number | Publication Date |
|---|---|
| CN101750727A CN101750727A (en) | 2010-06-23 |
| CN101750727B true CN101750727B (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010100396759A Active CN101750727B (en) | 2010-01-12 | 2010-01-12 | Image rotating and erecting device of stereomicroscope |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102261986B (en) * | 2011-06-16 | 2013-04-10 | 宁波永新光学股份有限公司 | Zoom-stereo microscope detection device and method |
| CN106483648B (en) * | 2016-12-30 | 2020-02-04 | 北京理工大学 | Large-view-field long-working-distance continuous zoom operation microscope optical system |
| CN107966800B (en) * | 2017-11-20 | 2020-12-15 | 天津津航技术物理研究所 | Hand-assistant mirror optical system for surgical microscope |
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| CN101750727A (en) | 2010-06-23 |
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Owner name: NINGBO HUAGUANG PRECISION INSTRUMENT CO., LTD. Free format text: FORMER OWNER: KONG YANBO Effective date: 20130306 |
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Effective date of registration: 20130306 Address after: 315161 Zhejiang city of Ningbo province Yinzhou District Village revitalization Road chapter Patentee after: Ningbo Huaguang Precision Instrument Co., Ltd. Address before: 315161 Huaguang Precision Instrument Co., Ltd., No. 70, Zhenxing East Road, Yinzhou District chapter, Ningbo, Zhejiang Patentee before: Kong Yanbo |