CN203882007U - Dark field objective lens used for metallographical microscope - Google Patents
Dark field objective lens used for metallographical microscope Download PDFInfo
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- CN203882007U CN203882007U CN201420280408.4U CN201420280408U CN203882007U CN 203882007 U CN203882007 U CN 203882007U CN 201420280408 U CN201420280408 U CN 201420280408U CN 203882007 U CN203882007 U CN 203882007U
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- object lens
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Abstract
The utility model discloses a dark field objective lens used for a metallographical microscope. The dark field objective lens includes a tubular objective lens jacket, a dark field objective lens body and a physical curved surface reflector, wherein the objective lens jacket is fixed at the exterior of the dark field objective lens body, the physical curved surface reflector is arranged below the dark field objective lens body, and the dark field objective lens body is provided with an annular light beam irradiation cavity used for enabling light beams to enter the dark field objective lens. The dark field objective lens used for the metallographical microscope is characterized in that an annular cavity is formed between the outer wall of the dark field objective lens body and the inner wall of the objective lens jacket; the light beam irradiation cavity is communicated with the annular cavity; an annular honeycomb lens is arranged in the annular cavity; and the honeycomb lens is arranged above the physical curved surface reflector. According to the dark field objective lens, annular light beams which enter the annular cavity can form a plurality of intersecting light beams through the honeycomb lens; after being reflected by the physical curved surface reflector, each intersecting light beam irradiates in a circular area of a test specimen; a plurality of divergent light beams are stacked in the area, so that a uniform lighting area can be formed; and therefore, a better dark field effect can be realized.
Description
Technical field
The utility model relates to a kind of object lens, especially relates to a kind of metaloscope details in a play not acted out on stage, but told through dialogues object lens.
Background technology
The common details in a play not acted out on stage, but told through dialogues object lens for metaloscope are to make annular beam pass the outer shroud of object lens, then shine directly on the curved reflector of object lens, finally pool a circle of specimen surface.The problem that this details in a play not acted out on stage, but told through dialogues object lens exist is, because annular beam illumination on each point in practical operation cannot ensure its homogeneity, also can not accomplish not have completely angle, therefore will produce inhomogeneous illumination, affect details in a play not acted out on stage, but told through dialogues effect, and need on this basis to obtain good details in a play not acted out on stage, but told through dialogues effect, and the curved reflector of these details in a play not acted out on stage, but told through dialogues object lens is had relatively high expectations, give and manufacture the certain difficulty of processing increase.
Summary of the invention
Technical problem to be solved in the utility model is to provide one can be by dark ground illumination beam uniformity and the good metaloscope of details in a play not acted out on stage, but told through dialogues effect details in a play not acted out on stage, but told through dialogues object lens.
The utility model solves the problems of the technologies described above adopted technical scheme:
A kind of metaloscope details in a play not acted out on stage, but told through dialogues object lens, comprise the object lens overcoat of tubulose, details in a play not acted out on stage, but told through dialogues object lens body and physics optical reflector of curved surface, described object lens overcoat is fixedly installed on the outside of described details in a play not acted out on stage, but told through dialogues object lens body, described physics optical reflector of curved surface is arranged on the bottom of details in a play not acted out on stage, but told through dialogues object lens body, on described details in a play not acted out on stage, but told through dialogues object lens body, be provided with for making light beam enter into the light beam irradiates chamber of the ring-type of details in a play not acted out on stage, but told through dialogues object lens, between the inwall of the outer wall of described details in a play not acted out on stage, but told through dialogues object lens body and described object lens overcoat, form toroidal cavity, described light beam irradiates chamber communicates with described toroidal cavity, in described toroidal cavity, be provided with the honeycomb lens of ring-type, described honeycomb lens are arranged on described physics optical reflector of curved surface, described honeycomb lens comprise upper surface and lower surface, described upper surface is planar end surface, on described lower surface, be provided with multiple lenslets, when assembling, described upper surface upward, described lower surface is down just to described physics optical reflector of curved surface.
On described honeycomb lens, be provided with the position adjusting mechanism that can regulate the upper-lower position of honeycomb lens.By position adjusting mechanism, the upper-lower position of honeycomb lens is regulated, the focal position of light beam can be adjusted according to actual needs, thereby expanded microscopical usable range.
Described honeycomb lens jacket is located on the outer wall of described details in a play not acted out on stage, but told through dialogues object lens body bottom, the internal diameter of described honeycomb lens is slightly larger than the external diameter of described details in a play not acted out on stage, but told through dialogues object lens body bottom, described honeycomb lens are fixedly installed on described position adjusting mechanism, and described position adjusting mechanism can be arranged on to up-down adjustment on the inwall of described object lens overcoat.The internal diameter of honeycomb lens is slightly larger than the external diameter of details in a play not acted out on stage, but told through dialogues object lens body bottom, honeycomb lens are carrying out upper and lower position while adjusting, its inwall can't produce direct contact with the outer wall of details in a play not acted out on stage, but told through dialogues object lens body, thereby avoid the wearing and tearing of the outer wall of honeycomb lens inwall and details in a play not acted out on stage, but told through dialogues object lens body, extended the serviceable life of product.
Described position adjusting mechanism comprises columniform adjustment seat, in described adjustment seat, be provided with inverted T shape through hole, described inverted T shape through hole comprises the second through hole that is arranged on described adjustment seat lower surface that is arranged on the first through hole of described adjustment seat upper surface and is connected with the first described through hole, the diameter of the first described through hole is less than the diameter of the second described through hole, the diameter of the first described through hole is greater than the external diameter of described details in a play not acted out on stage, but told through dialogues object lens body bottom, described honeycomb lens are fixedly installed in the second described through hole, on the outer wall of described adjustment seat, be provided with external thread, on the inwall of described object lens overcoat, be provided with the internal thread matching with described external thread, described adjustment seat is fixed in described toroidal cavity by described external thread and internal thread, when adjusting, keep adjustment seat to maintain static, rotation object lens overcoat just can complete the adjusting to honeycomb lens upper-lower position.This position adjusting mechanism is simple in structure, easily manufactured and with low cost, is convenient to install and regulate, and the through hole of inverted T shape, is convenient to the installation of honeycomb lens, fixing reliable, can be used to honeycomb lens to large extent simultaneously, raises the efficiency.
The external diameter of described toroidal cavity is greater than the external diameter in described light beam irradiates chamber, and the internal diameter in described light beam irradiates chamber is slightly larger than the external diameter of described details in a play not acted out on stage, but told through dialogues object lens body bottom.So arrange, make the light beam that enters into light beam irradiates chamber can all enter into toroidal cavity, avoided the waste of energy.
The diameter of the first described through hole is greater than the external diameter in described light beam irradiates chamber.So arrange, all light beams that make to enter in light beam irradiates chamber all can converge by honeycomb lens, have avoided the waste of energy.
The upper end of described physics optical reflector of curved surface is screwed onto the bottom of described object lens overcoat.Adopt this mode that is fixedly connected with, simple in structure, easy installation and removal.
Compared with prior art, the utility model has the advantage of: owing to being provided with honeycomb lens in toroidal cavity, and these honeycomb lens are arranged on physics optical reflector of curved surface, the annular beam that makes to enter into toroidal cavity can form the multi beam light beam that crosses by these honeycomb lens, and every bundle crosses light beam after the reflection of object lens optical reflector of curved surface, all can impinge upon in a border circular areas of sample, overlapping through multi beam divergent beams in this border circular areas, just can form a uniform field of illumination, thereby obtain details in a play not acted out on stage, but told through dialogues effect preferably.
Brief description of the drawings
Fig. 1 is sectional structure schematic diagram of the present utility model;
Fig. 2 is the structure for amplifying schematic diagram at A place in Fig. 1;
Fig. 3 is the sectional structure schematic diagram of honeycomb lens in the utility model;
Fig. 4 is the plan structure schematic diagram of honeycomb lens in the utility model;
Fig. 5 is the sectional structure schematic diagram of adjustment seat in the utility model;
Fig. 6 is the sectional structure schematic diagram of details in a play not acted out on stage, but told through dialogues object lens body in the utility model;
Fig. 7 is the schematic diagram of the utility model under light beam irradiates.
Embodiment
Below in conjunction with accompanying drawing, embodiment is described in further detail the utility model.
As shown in the figure, a kind of metaloscope details in a play not acted out on stage, but told through dialogues object lens, comprise the object lens overcoat 1 of tubulose, details in a play not acted out on stage, but told through dialogues object lens body 2 and physics optical reflector of curved surface 3, object lens overcoat 1 is fixedly installed on the outside of details in a play not acted out on stage, but told through dialogues object lens body 2, physics optical reflector of curved surface 3 is arranged on the bottom of details in a play not acted out on stage, but told through dialogues object lens body 2, on details in a play not acted out on stage, but told through dialogues object lens body 2, be provided with for making light beam enter into the light beam irradiates chamber 21 of the ring-type of details in a play not acted out on stage, but told through dialogues object lens, between the outer wall of details in a play not acted out on stage, but told through dialogues object lens body 2 and the inwall of object lens overcoat 1, form toroidal cavity 4, light beam irradiates chamber 21 communicates with toroidal cavity 4, in toroidal cavity 4, be provided with the honeycomb lens 5 of ring-type, honeycomb lens 5 are arranged on physics optical reflector of curved surface 3, honeycomb lens 5 comprise upper surface 51 and lower surface 52, upper surface 51 is planar end surface, on lower surface 52, be provided with multiple lenslets, when assembling, upper surface 51 upward, lower surface 52 is down just to physics optical reflector of curved surface 3.
In this specific embodiment, on honeycomb lens 5, be provided with the position adjusting mechanism that can regulate the upper-lower position of honeycomb lens 5.By position adjusting mechanism, the upper-lower position of honeycomb lens 5 is regulated, the focal position of light beam can be adjusted according to actual needs, thereby expanded microscopical usable range.
In this specific embodiment, honeycomb lens 5 are set on the outer wall of details in a play not acted out on stage, but told through dialogues object lens body 2 bottoms, the inner diameter D of honeycomb lens 5
1be slightly larger than the outer diameter D of details in a play not acted out on stage, but told through dialogues object lens body 2 bottoms
2, honeycomb lens 5 are fixedly installed on position adjusting mechanism, and position adjusting mechanism can be arranged on to up-down adjustment on the inwall of object lens overcoat 1.The inner diameter D of honeycomb lens 5
1be slightly larger than the outer diameter D of details in a play not acted out on stage, but told through dialogues object lens body 2 bottoms
2, honeycomb lens 5 are carrying out upper and lower position while adjusting, and its inwall can't produce direct contact with the outer wall of details in a play not acted out on stage, but told through dialogues object lens body 2, thereby has avoided the wearing and tearing of the inwall of honeycomb lens 5 and the outer wall of details in a play not acted out on stage, but told through dialogues object lens body 2, has extended the serviceable life of product.
In this specific embodiment, position adjusting mechanism comprises columniform adjustment seat 6, in adjustment seat 6, be provided with inverted T shape through hole, inverted T shape through hole comprises the diameter d of the second through hole 62, the first through holes 61 that are arranged on adjustment seat 6 lower surfaces that are arranged on the first through hole 61 of adjustment seat 6 upper surfaces and be connected with the first through hole 61
1be less than the diameter d of the second through hole 62
2, the diameter d of the first through hole 61
1be greater than the outer diameter D of details in a play not acted out on stage, but told through dialogues object lens body bottom
2honeycomb lens 5 are fixedly installed in the second through hole 62, on the outer wall of adjustment seat 6, be provided with external thread 63, on the inwall of object lens overcoat 1, be provided with the internal thread 11 matching with this external thread, adjustment seat 6 is fixed in toroidal cavity 4 by external thread 63 and internal thread 11, when adjusting, keep adjustment seat 6 to maintain static, rotation object lens overcoat 1 just can complete the adjusting to honeycomb lens 5 upper-lower positions.This position adjusting mechanism is simple in structure, easily manufactured and with low cost, is convenient to install and regulate, and the through hole of inverted T shape, is convenient to the installation of honeycomb lens 5, fixing reliable, can be used to honeycomb lens 5 to large extent simultaneously, raises the efficiency.
In this specific embodiment, the outer diameter D of toroidal cavity 4
3be greater than the outer diameter D in light beam irradiates chamber 21
4, the inner diameter D in light beam irradiates chamber 21
5be slightly larger than the outer diameter D of details in a play not acted out on stage, but told through dialogues object lens body 2 bottoms
2.So arrange, make the light beam that enters into light beam irradiates chamber 21 can all enter into toroidal cavity 4, avoided the waste of energy.
In this specific embodiment, the diameter d of the first through hole
1be greater than the outer diameter D in light beam irradiates chamber 21
4.So arrange, all light beams that make to enter in light beam irradiates chamber 21 all can converge by honeycomb lens 5, have avoided the waste of energy.
In this specific embodiment, the upper end of physics optical reflector of curved surface 3 is screwed onto the bottom of object lens overcoat 1.Adopt this mode that is fixedly connected with, simple in structure, easy installation and removal.
Principle of work is: in the time of light beam irradiates, form annular beam by light beam irradiates chamber 21 and enter into toroidal cavity 4, annular beam is by after honeycomb lens 5, form the multi beam light beam that crosses, every a branch of light beam that crosses, after 3 reflections of physics optical reflector of curved surface, is all looked in a border circular areas 8 of sample, this border circular areas 8 is overlapping through multi beam divergent beams, form a uniform field of illumination, and then enter in details in a play not acted out on stage, but told through dialogues object lens through the irreflexive light of sample, form imaging optical path.
Claims (7)
1. metaloscope details in a play not acted out on stage, but told through dialogues object lens, comprise the object lens overcoat of tubulose, details in a play not acted out on stage, but told through dialogues object lens body and physics optical reflector of curved surface, described object lens overcoat is fixedly installed on the outside of described details in a play not acted out on stage, but told through dialogues object lens body, described physics optical reflector of curved surface is arranged on the bottom of details in a play not acted out on stage, but told through dialogues object lens body, on described details in a play not acted out on stage, but told through dialogues object lens body, be provided with for making light beam enter into the light beam irradiates chamber of the ring-type of details in a play not acted out on stage, but told through dialogues object lens, between the inwall of the outer wall of the details in a play not acted out on stage, but told through dialogues object lens body described in it is characterized in that and described object lens overcoat, form toroidal cavity, described light beam irradiates chamber communicates with described toroidal cavity, in described toroidal cavity, be provided with the honeycomb lens of ring-type, described honeycomb lens are arranged on described physics optical reflector of curved surface, described honeycomb lens comprise upper surface and lower surface, described upper surface is planar end surface, on described lower surface, be provided with multiple lenslets, when assembling, described upper surface upward, described lower surface is down just to described physics optical reflector of curved surface.
2. a kind of metaloscope details in a play not acted out on stage, but told through dialogues object lens as claimed in claim 1, is characterized in that being provided with the position adjusting mechanism that can regulate the upper-lower position of honeycomb lens on described honeycomb lens.
3. a kind of metaloscope details in a play not acted out on stage, but told through dialogues object lens as claimed in claim 2, it is characterized in that described honeycomb lens jacket is located on the outer wall of described details in a play not acted out on stage, but told through dialogues object lens body bottom, the internal diameter of described honeycomb lens is slightly larger than the external diameter of described details in a play not acted out on stage, but told through dialogues object lens body bottom, described honeycomb lens are fixedly installed on described position adjusting mechanism, and described position adjusting mechanism can be arranged on to up-down adjustment on the inwall of described object lens overcoat.
4. a kind of metaloscope details in a play not acted out on stage, but told through dialogues object lens as claimed in claim 3, it is characterized in that described position adjusting mechanism comprises columniform adjustment seat, in described adjustment seat, be provided with inverted T shape through hole, described inverted T shape through hole comprises the second through hole that is arranged on described adjustment seat lower surface that is arranged on the first through hole of described adjustment seat upper surface and is connected with the first described through hole, the diameter of the first described through hole is less than the diameter of the second described through hole, the diameter of the first described through hole is greater than the external diameter of described details in a play not acted out on stage, but told through dialogues object lens body bottom, described honeycomb lens are fixedly installed in the second described through hole, on the outer wall of described adjustment seat, be provided with external thread, on the inwall of described object lens overcoat, be provided with the internal thread matching with described external thread, described adjustment seat is fixed in described toroidal cavity by described external thread and internal thread, when adjusting, keep adjustment seat to maintain static, rotation object lens overcoat just can complete the adjusting to honeycomb lens upper-lower position.
5. a kind of metaloscope details in a play not acted out on stage, but told through dialogues object lens as described in claim 1 or 4, it is characterized in that the external diameter of described toroidal cavity is greater than the external diameter in described light beam irradiates chamber, the internal diameter in described light beam irradiates chamber is slightly larger than the external diameter of described details in a play not acted out on stage, but told through dialogues object lens body bottom.
6. a kind of metaloscope details in a play not acted out on stage, but told through dialogues object lens as claimed in claim 4, is characterized in that the diameter of the first described through hole is greater than the external diameter in described light beam irradiates chamber.
7. a kind of metaloscope details in a play not acted out on stage, but told through dialogues object lens as described in claim 1 or 4, is characterized in that the upper end of described physics optical reflector of curved surface is screwed onto the bottom of described object lens overcoat.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420280408.4U CN203882007U (en) | 2014-05-28 | 2014-05-28 | Dark field objective lens used for metallographical microscope |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420280408.4U CN203882007U (en) | 2014-05-28 | 2014-05-28 | Dark field objective lens used for metallographical microscope |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203882007U true CN203882007U (en) | 2014-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420280408.4U Expired - Fee Related CN203882007U (en) | 2014-05-28 | 2014-05-28 | Dark field objective lens used for metallographical microscope |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203882007U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105022150A (en) * | 2015-07-31 | 2015-11-04 | 梧州奥卡光学仪器有限公司 | Dry type dark field condenser |
| CN105022151A (en) * | 2015-07-31 | 2015-11-04 | 梧州奥卡光学仪器有限公司 | Wet type dark field condenser |
| CN112903694A (en) * | 2021-01-18 | 2021-06-04 | 苏州华兴源创科技股份有限公司 | Flying shoot detection system and method |
| CN113406842A (en) * | 2021-06-23 | 2021-09-17 | 湘潭大学 | Ultramicro stacked dark field photography system and method |
-
2014
- 2014-05-28 CN CN201420280408.4U patent/CN203882007U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105022150A (en) * | 2015-07-31 | 2015-11-04 | 梧州奥卡光学仪器有限公司 | Dry type dark field condenser |
| CN105022151A (en) * | 2015-07-31 | 2015-11-04 | 梧州奥卡光学仪器有限公司 | Wet type dark field condenser |
| CN112903694A (en) * | 2021-01-18 | 2021-06-04 | 苏州华兴源创科技股份有限公司 | Flying shoot detection system and method |
| CN113406842A (en) * | 2021-06-23 | 2021-09-17 | 湘潭大学 | Ultramicro stacked dark field photography system and method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141015 Termination date: 20190528 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |