CN206192880U - Eyepiece the magnification adjustable refractometer - Google Patents
Eyepiece the magnification adjustable refractometer Download PDFInfo
- Publication number
- CN206192880U CN206192880U CN201621243603.5U CN201621243603U CN206192880U CN 206192880 U CN206192880 U CN 206192880U CN 201621243603 U CN201621243603 U CN 201621243603U CN 206192880 U CN206192880 U CN 206192880U
- Authority
- CN
- China
- Prior art keywords
- eyepiece
- refractometer
- multiplication factor
- handle
- lens barrel
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model relates to an eyepiece the magnification adjustable refractometer, including refractometer body and eyepiece adjusting device, eyepiece adjusting device includes the fixed block, pivot and a plurality of eyepieces of being connected with the pivot rotation, the eyepiece outside sets up protective barrel, the fixed lock of protective barrel is on the lens cone lateral wall, and eyepiece adjusting device all is located protective barrel, set up opening I on the protective barrel lateral wall, set up opening II on the lens cone lateral wall, the eyepiece free end stretches out the handle, in the eyepiece screw in lens cone of turning handle with a certain the magnification, and it is fixed through the arc -shaped clamping block joint that sets up on the handle, with the observation that realizes different the magnification, set up black light absorbing material on the section of thick bamboo wall of opening between II, the refractometer through setting up eyepiece adjusting device for the the magnification of eyepiece can be adjusted to the refractometer when using, simple structure, convenient to use, refracting index reading accurate, detectivity are high, has increased the life of eyepiece, has increased work efficiency.
Description
Technical field
The utility model is related to gemstone testing equipment design field, more particularly to a kind of eyepiece multiplication factor is adjustable
Refractometer.
Background technology
Refractometer is the most frequently used instrument during Gemstone Identification, the incidence that its principle for determining refractive index sends for light source
Light is projeced on the interface that refractive prism is contacted with jewel, when the incidence angle of incident ray is less than critical angle, incident ray
Reflected on interface, when the incidence angle of incident ray is more than critical angle, total reflection phenomenon occurs on interface, reflected light is led to
Superrefraction prism is projected on scale and speculum successively, and reflected mirror is reflected into eyepiece, and jewel is observed by eyepiece
Refractive index.Chemical composition, crystal structure difference due to different jewels, its refractive index are different, it is sometimes necessary to multiplication factor
Larger eyepiece is further looked at, but because the multiplication factor of existing refractometer eyepiece is not high, the reading of refractometer has
Certain difficulty, easily causes error, and the multiplication factor of eyepiece is non-adjustable, reduces the accuracy of refractive index.
Utility model content
In order to solve the above problems, the purpose of this utility model is to propose a kind of adjustable refractometer of eyepiece multiplication factor,
By setting the eyepiece of different amplification, the multiple of amplification can be adjusted, simple structure, easy to use, refractive index reading are accurate
Really, detection sensitivity is high, increases the service life of eyepiece, increases operating efficiency.
The utility model is for the taken technical scheme that solves the above problems：A kind of adjustable folding of eyepiece multiplication factor
Penetrate instrument, including refractometer body and the eyepiece adjusting means being arranged on the wall of refractometer lens barrel side, described eyepiece adjusting means
What is be connected including the fixed block being fixedly installed along optical tube length direction, the rotating shaft being located in fixed block and with axis of rotation is more
Individual eyepiece, and the multiplication factor of each eyepiece differs, eyepiece outside sets the protection cylinder of protective ocular, protection cylinder clip
Close on the wall of lens barrel side, and eyepiece adjusting means is respectively positioned in protection cylinder, and corresponding with eyepiece opening is set on the wall of protection cylinder side
Mouth I, sets the opening II corresponding with eyepiece on the wall of lens barrel side, eyepiece free end is stretched out handle, put a certain with rotating handle
The eyepiece of big multiple is screwed in lens barrel, and is connected and fixed by being arranged on the arc fixture block of sealing lens barrel on handle, to realize not
With the observation of multiplication factor, the black light-absorbing material for eliminating dispersion is set on the barrel between opening II；
Described eyepiece includes the concave-convex lens for being fixedly installed on upper and lower ends and the biconvex lens being disposed there between；
Described eyepiece is vertically arranged with fixed block；
The baffle plate for being provided with sealing and dustproof is slided in described opening II；
Eyepiece multiplication factor mark is set on the handle, to facilitate the multiplication factor of regulation eyepiece.
The beneficial effects of the utility model：
1st, the utility model, can be according to the specific of jewel by setting eyepiece adjusting means so that refractometer is in reading
Situation, is adjusted, and is observed with different multiples, finds suitable most accurate eyepiece so that refractometer reading is more
Plus it is accurate, sensitivity is high, achieve simple structure, easy to use, multiplication factor is adjustable, refractive index accuracy of reading, detection spirit
Sensitivity is high, increases the beneficial effect of operating efficiency.
2nd, the utility model is set to upper and lower ends concave-convex lens by by eyepiece, the structure of middle setting biconvex lens,
By being used in conjunction for two kinds of camera lenses, by refraction of light path, aberration and difference are effectively eliminated, while on barrel between opening II
The black light-absorbing material for eliminating dispersion is set, achieves that refractive index accuracy of reading, detection sensitivity be high, increase operating efficiency has
Beneficial effect.
3rd, the utility model sets baffle plate by being slided in the opening of lens barrel, can be according to situation about using, push-and-pull gear
Plate, by the sealing of eyepiece precession lens barrel, and sets the arc fixture block for sealing lens barrel on handle, and eyepiece is fixed on into lens barrel
Interior, good airproof performance, when eyepiece is changed or not used time, can retract baffle plate, and lens barrel is sealed, effective dust-proof, achieve increasing
The beneficial effect of big eyepiece service life.
4th, the utility model is clear that the multiplication factor of eyepiece by setting reading on handle, facilitates mesh
The selection of mirror, can change at any time, achieve simple structure, beneficial effect easy to use.
Brief description of the drawings
Fig. 1 is the utility model structural representation；
Fig. 2 is the structural representation of eyepiece of the present utility model；
Fig. 3 is the top view of eyepiece adjusting means of the present utility model；
Marked in figure：1st, body, 2, lens barrel, 201, opening II, 202, baffle plate, 3, eyepiece adjusting means, 301, fixed block,
302nd, rotating shaft, 303, eyepiece, 3031, concave-convex lens, 3032, biconvex lens, 304, handle, 305, arc fixture block, 4, protection cylinder,
401st, opening I.
Specific embodiment
The utility model is elaborated with specific embodiment below in conjunction with the accompanying drawings, the present embodiment is with the utility model skill
Premised on art scheme, detailed implementation method and specific operating process is given, but protection domain of the present utility model is not limited
In following embodiments.
As described in Figure, the utility model is a kind of adjustable refractometer of eyepiece multiplication factor, including refractometer body 1 and is set
The eyepiece adjusting means 3 on the side wall of refractometer lens barrel 2 is put, described eyepiece adjusting means 3 includes solid along the length direction of lens barrel 2
The fixed fixed block 301 for setting, the rotating shaft 302 being located in fixed block 301 and the multiple eyepieces being connected with the rotation of rotating shaft 302
303, and the multiplication factor of each eyepiece 303 differs, the outside of eyepiece 303 sets the protection cylinder 4 of protective ocular 303, protection
Cylinder 4 is fixed and is fastened on the side wall of lens barrel 2, and eyepiece adjusting means 3 is respectively positioned in protection cylinder 4, is set and mesh on the side wall of protection cylinder 4
The corresponding opening I 401 of mirror 303, protection cylinder 4 may be configured as stainless steel, explain durable, set on the side wall of lens barrel 2 with
Handle 304 is stretched out in the corresponding opening II 201 of eyepiece 303, the free end of eyepiece 303, to rotate handle 304 by a certain multiplication factor
Eyepiece 303 screw in lens barrel 2 in, and by be arranged on handle 304 seal lens barrel 2 arc fixture block 305 connect and fix, with reality
The observation of existing different amplification, sets the black light-absorbing material for eliminating dispersion on the barrel between opening II 201.
Be above basic embodiment of the present utility model, can more than on the basis of further improved, optimized
And restriction：
Such as：Described eyepiece 303 includes being fixedly installed on the concave-convex lens 3031 of upper and lower ends and is disposed there between
Biconvex lens 3032, and three is fixedly connected, so as to color difference eliminating and difference, refractive index accuracy of reading, detection sensitivity is high,
Increase operating efficiency.
And for example：Described eyepiece 303 is vertically arranged with fixed block 301, convenient that eyepiece is screwed into the middle of lens barrel, facilitates mesh
The selection of mirror, can change at any time, increase operating efficiency.
And for example：The baffle plate 202 for being provided with sealing and dustproof is slided in described opening II 201, prevents dust from falling into, while with
Arc fixture block 305 on handle 304 is used cooperatively, better tightness, fixation, good dustproof effect, simple structure, user
Just.
And for example：Eyepiece multiplication factor mark is set on the handle 304, to facilitate the multiplication factor of regulation eyepiece 303, knot
Structure is simple, easy to use.
The utility model when in use, jewel is placed into refractometer, is turned on the power switch, as needed from difference
The eyepiece 303 of multiple is screwed in lens barrel 2 successively by handle 304, finds the eyepiece 303 being best suitable for, and reads refractive index, and reading is complete
Bi Hou, eyepiece 303 is screwed in protection cylinder 4, takes out jewel, you can complete to determine.
Refractometer described in the utility model is by setting eyepiece adjusting means 3 so that refractometer can be adjusted when in use
The multiplication factor of program mirror 303, simple structure, easy to use, refractive index accuracy of reading, detection sensitivity are high, increase eyepiece
303 service life, increases operating efficiency.
Claims (5)
1. a kind of adjustable refractometer of eyepiece multiplication factor, including refractometer body（1）Be arranged on refractometer lens barrel（2）Side wall
On eyepiece adjusting means（3）, it is characterised in that：Described eyepiece adjusting means（3）Including along lens barrel（2）Length direction is fixed
The fixed block of setting（301）, be located in fixed block（301）Interior rotating shaft（302）And and rotating shaft（302）Rotate the multiple of connection
Eyepiece（303）, and each eyepiece（303）Multiplication factor differ, eyepiece（303）Outside sets protective ocular（303）'s
Protection cylinder（4）, protection cylinder（4）Fixation is fastened on lens barrel（2）On the wall of side, and eyepiece adjusting means（3）It is respectively positioned on protection cylinder（4）
It is interior, protection cylinder（4）Set and eyepiece on the wall of side（303）Corresponding opening I（401）, lens barrel（2）Set and eyepiece on the wall of side
（303）Corresponding opening II（201）, eyepiece（303）Handle is stretched out in free end（304）, to rotate handle（304）Put a certain
The eyepiece of big multiple（303）Screw in lens barrel（2）In, and by being arranged on handle（304）Upper sealing lens barrel（2）Arc fixture block
（305）Connect and fix, to realize the observation of different amplification, opening II（201）Between barrel on set and eliminate dispersion
Black light-absorbing material.
2. a kind of adjustable refractometer of eyepiece multiplication factor as claimed in claim 1, it is characterised in that：Described eyepiece
（303）Concave-convex lens including being fixedly installed on upper and lower ends（3031）With the biconvex lens being disposed there between（3032）.
3. a kind of adjustable refractometer of eyepiece multiplication factor as claimed in claim 1, it is characterised in that：Described eyepiece
（303）With fixed block（301）It is vertically arranged.
4. a kind of adjustable refractometer of eyepiece multiplication factor as claimed in claim 1, it is characterised in that：Described opening II
（201）It is interior to slide the baffle plate for being provided with sealing and dustproof（202）.
5. a kind of adjustable refractometer of eyepiece multiplication factor as claimed in claim 1, it is characterised in that：The handle（304）
Upper setting eyepiece multiplication factor mark, to facilitate regulation eyepiece（303）Multiplication factor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621243603.5U CN206192880U (en) | 2016-11-21 | 2016-11-21 | Eyepiece the magnification adjustable refractometer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621243603.5U CN206192880U (en) | 2016-11-21 | 2016-11-21 | Eyepiece the magnification adjustable refractometer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206192880U true CN206192880U (en) | 2017-05-24 |
Family
ID=58726971
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621243603.5U Expired - Fee Related CN206192880U (en) | 2016-11-21 | 2016-11-21 | Eyepiece the magnification adjustable refractometer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206192880U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111856702A (en) * | 2020-07-22 | 2020-10-30 | 江苏普世祥光电技术有限公司 | Anti-dazzle optical prism |
-
2016
- 2016-11-21 CN CN201621243603.5U patent/CN206192880U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111856702A (en) * | 2020-07-22 | 2020-10-30 | 江苏普世祥光电技术有限公司 | Anti-dazzle optical prism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170524 Termination date: 20171121 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |