CN211477404U - Reflection-type spectrometer objective lens extension ring - Google Patents
Reflection-type spectrometer objective lens extension ring Download PDFInfo
- Publication number
- CN211477404U CN211477404U CN202020131288.7U CN202020131288U CN211477404U CN 211477404 U CN211477404 U CN 211477404U CN 202020131288 U CN202020131288 U CN 202020131288U CN 211477404 U CN211477404 U CN 211477404U
- Authority
- CN
- China
- Prior art keywords
- semicircular ring
- ring
- objective lens
- semicircular
- extension
- 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.)
- Active
Links
Images
Landscapes
- Microscoopes, Condenser (AREA)
Abstract
The utility model provides a reflection-type spectrometer objective lens extension ring, in particular to the field of photoelectric detection devices, which comprises an objective lens, a fixed sleeve and an extension ring, wherein the periphery of the upper end of the fixed sleeve is provided with a thread, the inner periphery of the lower end of the fixed sleeve is provided with a thread, the periphery of the upper end of the objective lens is provided with a thread, and the upper end of the objective lens is connected with the lower end of the fixed sleeve through a thread; the lower end of the fixed sleeve is also provided with an extension ring, the extension ring comprises a first semicircular ring and a second semicircular ring, one end of the first semicircular ring is hinged with one end of the second semicircular ring, the upper end of the first semicircular ring or the upper end of the second semicircular ring is connected with the side part of the fixed sleeve, and one end of the first semicircular ring is hinged with one end of the second semicircular ring, and the other end of the first semicircular ring is connected with the other end of the second semicircular ring through a bolt; the periphery of the upper part of the objective lens is arranged in the first semicircular ring and the second semicircular ring. The utility model discloses can ensure that objective is fixed stable firm.
Description
Technical Field
The utility model belongs to the photoelectric detection device field, concretely relates to reflection type spectrometer objective extension ring.
Background
The objective lens used by the reflective spectrometer is 10 times and 20 times, different lenses with different times are selected for measuring different products, (10 times for plastic and 20 times for glass), and in the process of long-time disassembly and assembly of different products, the screw teeth of the lens are worn and can not be fixed and fall off, so that the spectral measurement is not accurate.
In view of the above disadvantages, there is a need for an extension ring for a reflective spectrometer objective lens, which can ensure stable and reliable fixation of the objective lens.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a reflection type spectrometer objective extension ring can ensure that objective is fixed stable firm.
The utility model provides a following technical scheme:
an objective lens extension ring of a reflection type spectrometer comprises an objective lens, a fixing sleeve and an extension ring, wherein threads are arranged on the periphery of the upper end of the fixing sleeve, threads are arranged on the inner periphery of the lower end of the fixing sleeve, threads are arranged on the periphery of the upper end of the objective lens, and the upper end of the objective lens is connected with the lower end of the fixing sleeve through the threads;
the lower end of the fixed sleeve is also provided with an extension ring, the extension ring comprises a first semicircular ring and a second semicircular ring, one end of the first semicircular ring is hinged with one end of the second semicircular ring, the upper end of the first semicircular ring or the upper end of the second semicircular ring is connected with the side part of the fixed sleeve, and one end of the first semicircular ring is hinged with one end of the second semicircular ring, and the other end of the first semicircular ring is connected with the other end of the second semicircular ring through a bolt;
the periphery of the upper part of the objective lens is arranged in the first semicircular ring and the second semicircular ring;
preferably, the end parts of the first semicircular ring and the second semicircular ring are provided with protrusions, and the protrusions are connected through bolts.
Preferably, the protruding thickness of the first semicircular ring is smaller than the protruding thickness of the second semicircular ring.
Preferably, the first semicircular ring and the second semicircular ring are hinged through a hinge, and the upper end of the hinge is connected with the side wall of the fixing sleeve.
Preferably, the first semicircular ring, the second semicircular ring and the protrusions are of an integrally formed structure.
The utility model has the advantages that:
the periphery of the upper end of the fixing sleeve is provided with threads, the periphery of the lower end of the fixing sleeve is provided with threads, the periphery of the upper end of the objective lens is provided with threads, and the upper end of the objective lens is connected with the lower end of the fixing sleeve through the threads; the lower end of the fixed sleeve is also provided with an extension ring, the extension ring comprises a first semicircular ring and a second semicircular ring, one end of the first semicircular ring is hinged with one end of the second semicircular ring, the upper end of the first semicircular ring or the upper end of the second semicircular ring is connected with the side part of the fixed sleeve, and one end of the first semicircular ring is hinged with one end of the second semicircular ring, and the other end of the first semicircular ring is connected with the other end of the second semicircular ring through a bolt; the periphery of the upper part of the objective lens is arranged in the first semicircular ring and the second semicircular ring, so that the objective lens can be fixed stably and firmly.
Drawings
The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention. In the drawings:
FIG. 1 is a view of the structure of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a rear view of the present invention;
reference numerals: 1. fixing a sleeve; 2. an objective lens; 3. a first semicircular ring; 4. a second midnight ring; 5. a protrusion; 6. a bolt; 7. and (7) a hinge.
Detailed Description
Referring to fig. 1 to 3, an objective lens extension ring of a reflection spectrometer comprises an objective lens 2, a fixing sleeve 1 and an extension ring, wherein a thread is arranged on the periphery of the upper end of the fixing sleeve 1, a thread is arranged on the inner periphery of the lower end of the fixing sleeve 1, a thread is arranged on the periphery of the upper end of the objective lens 2, and the upper end of the objective lens 2 is connected with the lower end of the fixing sleeve 1 through the thread; the lower end of the fixed sleeve 1 is also provided with an extension ring, the extension ring comprises a first semicircular ring 3 and a second semicircular ring 4, one end of the first semicircular ring 3 is hinged with one end of the second semicircular ring 4, the upper end of the first semicircular ring 3 or the upper end of the second semicircular ring 4 is connected with the side part of the fixed sleeve 1, and one end of the first semicircular ring 3 is hinged with one end of the second semicircular ring 4, and the other end of the first semicircular ring 3 is connected with the other end of the second semicircular ring 4 through a bolt 6; the periphery of the upper part of the objective lens 2 is arranged in the first semicircular ring 3 and the second semicircular ring 4; the first semicircular ring 3 and the second semicircular ring 4 form an open-close type hoop, the end parts of the first semicircular ring 3 and the second semicircular ring 4 are locked through bolts 6, the periphery of the upper end of the objective lens 2 is tightly held, and even if threads of the objective lens 2 are damaged, the objective lens 2 can be ensured to be firm and stable;
the end parts of the first semicircular ring 3 and the second semicircular ring 4 are provided with protrusions 5, and the protrusions 5 are connected through bolts 6. The protruding thickness of the first semicircular ring 3 is smaller than the protruding thickness of the second semicircular ring 4. The first semicircular ring 3 is hinged to the second semicircular ring 4 through a hinge 7, and the upper end of the hinge 7 is connected with the side wall of the fixing sleeve 1. The first semicircular ring 3, the second semicircular ring 4 and the bulge 5 are of an integrally formed structure; the bulges have the functions of being convenient to fix through the bolts 6, one bulge is large in thickness, the bolts 6 are prevented from penetrating through, and how to realize fixation more conveniently; the hinge 7 is a traditional hinge, but how to avoid the separation of the first semicircular ring 3 and the second semicircular ring 4 from the fixed sleeve 1 by ensuring that the upper end of the hinge 7 is connected with the side wall of the fixed sleeve 1 is specifically provided with the related structure shown in fig. 2 and fig. 3;
the utility model discloses a working method:
as shown in fig. 1 to 3, the periphery of the upper end of the fixing sleeve 1 is provided with threads, the inner periphery of the lower end of the fixing sleeve 1 is provided with threads, the periphery of the upper end of the objective lens 2 is provided with threads, and the upper end of the objective lens 2 is connected with the lower end of the fixing sleeve 1 through threads; the lower end of the fixed sleeve 1 is also provided with an extension ring, the extension ring comprises a first semicircular ring 3 and a second semicircular ring 4, one end of the first semicircular ring 3 is hinged with one end of the second semicircular ring 4, the upper end of the first semicircular ring 3 or the upper end of the second semicircular ring 4 is connected with the side part of the fixed sleeve 1, and one end of the first semicircular ring 3 is hinged with one end of the second semicircular ring 4, and the other end of the first semicircular ring 3 is connected with the other end of the second semicircular ring 4 through a bolt 6; the upper portion periphery of objective 2 is located in first semicircle ring 3 and the second semicircle ring 4, first semicircle ring 3 and second semicircle ring 4 constitute an open-close type clamp, through bolt 6 first semicircle ring 3 and the 4 tip locks of second semicircle ring are died, hold objective 2 upper end periphery tightly, even objective 2's screw thread damage, also can ensure objective 2 firm and firm.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. An objective lens extension ring of a reflection type spectrometer is characterized in that: the device comprises an objective lens, a fixed sleeve and an extension ring, wherein the periphery of the upper end of the fixed sleeve is provided with threads, the inner periphery of the lower end of the fixed sleeve is provided with threads, the periphery of the upper end of the objective lens is provided with threads, and the upper end of the objective lens is connected with the lower end of the fixed sleeve through the threads;
the lower end of the fixed sleeve is also provided with an extension ring, the extension ring comprises a first semicircular ring and a second semicircular ring, one end of the first semicircular ring is hinged with one end of the second semicircular ring, the upper end of the first semicircular ring or the upper end of the second semicircular ring is connected with the side part of the fixed sleeve, and one end of the first semicircular ring is hinged with one end of the second semicircular ring, and the other end of the first semicircular ring is connected with the other end of the second semicircular ring through a bolt;
the periphery of the upper part of the objective lens is arranged in the first semicircular ring and the second semicircular ring.
2. A reflective spectrometer objective extension ring according to claim 1, wherein: the end parts of the first semicircular ring and the second semicircular ring are provided with bulges which are connected through bolts.
3. A reflective spectrometer objective extension ring according to claim 2, wherein: the protruding thickness of the first semicircular ring is smaller than the protruding thickness of the second semicircular ring.
4. A reflective spectrometer objective extension ring according to claim 3, wherein: the first semicircular ring is hinged to the second semicircular ring through a hinge, and the upper end of the hinge is connected with the side wall of the fixing sleeve.
5. A reflective spectrometer objective extension ring according to claim 4, characterized in that: the first semicircular ring, the second semicircular ring and the protrusions are of an integrally formed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020131288.7U CN211477404U (en) | 2020-01-20 | 2020-01-20 | Reflection-type spectrometer objective lens extension ring |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020131288.7U CN211477404U (en) | 2020-01-20 | 2020-01-20 | Reflection-type spectrometer objective lens extension ring |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211477404U true CN211477404U (en) | 2020-09-11 |
Family
ID=72380147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020131288.7U Active CN211477404U (en) | 2020-01-20 | 2020-01-20 | Reflection-type spectrometer objective lens extension ring |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211477404U (en) |
-
2020
- 2020-01-20 CN CN202020131288.7U patent/CN211477404U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101859011B (en) | Lens module | |
| CN211477404U (en) | Reflection-type spectrometer objective lens extension ring | |
| CN107147834B (en) | A kind of monitoring product imaging modules device | |
| EP1662295A3 (en) | Screw-less hinge for eyeglasses | |
| CN209215612U (en) | A kind of liquid lens | |
| CN201583716U (en) | Collimation lens positioning mechanism | |
| CN211699631U (en) | Advertisement sign thin-wall plate connecting fastener | |
| US7722250B2 (en) | Probe cover for ear thermometer | |
| CN208236186U (en) | A kind of infrared temperature measurement window protection hanging locking device | |
| CN101419846A (en) | Card type lens cap device | |
| CN201909903U (en) | Micro-pin used on spectacles | |
| CN211426955U (en) | Low-loss insert optical splitter | |
| CN206470461U (en) | A kind of focus control of camera lens | |
| CN210323524U (en) | Adapter structure of integrated isolator, lens | |
| CN221377662U (en) | Quartz glass light transmittance detection device | |
| CN210469984U (en) | Novel bluetooth debugging instrument device | |
| CN105758823B (en) | A kind of retroreflective marking measuring instrument | |
| CN215180887U (en) | Laser ranging probe structure | |
| CN208044944U (en) | A kind of spectrometer | |
| CN219413911U (en) | Screw-free mounting corrugated pipe quick-insertion type fixing head | |
| CN202661199U (en) | Point temperature measuring instrument with double-light-path sighting system | |
| CN219434905U (en) | Photoelectric sampler | |
| CN216619472U (en) | Angle customized combined light source for optical detection equipment | |
| CN212059305U (en) | Fixing device for preventing position deviation of light and shade cut-off line after vibration | |
| CN212963384U (en) | Photoelectric measuring instrument convenient to fix |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |