CN211528813U - Objective lens protection device - Google Patents
Objective lens protection device Download PDFInfo
- Publication number
- CN211528813U CN211528813U CN202020477100.4U CN202020477100U CN211528813U CN 211528813 U CN211528813 U CN 211528813U CN 202020477100 U CN202020477100 U CN 202020477100U CN 211528813 U CN211528813 U CN 211528813U
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- Prior art keywords
- objective lens
- protection device
- objective
- main tube
- responsible
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- 239000011521 glass Substances 0.000 claims abstract description 33
- 230000001012 protector Effects 0.000 claims description 15
- 238000007789 sealing Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 22
- 239000008367 deionised water Substances 0.000 abstract description 18
- 229910021641 deionized water Inorganic materials 0.000 abstract description 18
- 239000007788 liquid Substances 0.000 abstract description 12
- 230000003287 optical effect Effects 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 7
- 238000012360 testing method Methods 0.000 abstract description 6
- 238000007654 immersion Methods 0.000 description 8
- 239000000463 material Substances 0.000 description 7
- 238000013461 design Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000010030 laminating Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 238000004806 packaging method and process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000004611 spectroscopical analysis Methods 0.000 description 1
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Abstract
The utility model discloses an objective protection device, including being responsible for the body and glass piece, the glass piece is sealed to set firmly in the lower tip of being responsible for the body, be responsible for body upper end and be equipped with a plurality of locking Assembly, during the use protection device passes through locking Assembly joint fixed mounting in the objective lower extreme outside. When the objective lens protection device is used, the locking assembly is clamped and fixedly arranged at the outer side of the lower end of the objective lens, and a proper amount of deionized water or oil phase substances are poured into the main tube, so that the lens of the objective lens is immersed into the deionized water or oil phase substances in the protection device, and the glass sheet of the protection device is immersed into a measured object medium, so that the objective lens is isolated from the external measured object medium; meanwhile, the lens of the objective lens is immersed in the deionized water or the oil phase substance in the main tube, so that the consistency of the refractive indexes of the liquid medium where the objective lens is positioned and the medium of the object to be tested is ensured, the optical signal loss caused by the change of the refractive index is avoided, and the accuracy of the test result of the objective lens is ensured.
Description
Technical Field
The utility model relates to a microscope auxiliary component technical field, concretely relates to objective protection device.
Background
An Optical Microscope (abbreviated as OM) is an Optical instrument that uses Optical principles to magnify and image tiny objects that cannot be resolved by human eyes, so as to extract fine structure information. The objective lens is the most important component for determining the performance of the microscope, and is mounted on an objective lens changer and close to an object to be observed, and is called an objective lens or an objective lens.
The objective lens can be divided into a dry objective lens and an immersion objective lens according to different use conditions; the immersion objective can be divided into a water immersion objective and an oil immersion objective (the common magnification is 90-100 times). In the field of spectroscopic analysis detection, a water immersion objective lens is often used, and if a detected solution contains corrosive substances, the corrosion of the water immersion objective lens is easily caused. Therefore, the present invention is directed to a protection device for a water immersion or oil immersion objective.
SUMMERY OF THE UTILITY MODEL
The objective of the utility model is to overcome the defects in the prior art and provide an objective lens protection device, which is fixedly arranged outside the lower end of the objective lens by clamping the locking component when in use, and deionized water or oil phase materials are filled into the main pipe body to isolate the objective lens from external test object media; meanwhile, the lens of the objective lens is immersed in the deionized water or the oil phase substance in the main tube, so that the consistency of the refractive indexes of the liquid medium where the objective lens is positioned and the liquid medium of the object to be tested is ensured, the optical signal loss caused by the change of the refractive index is avoided, and the accuracy of the test result of the objective lens is ensured; the protection device is simple and reasonable in structural design, simple in mounting or dismounting process with the objective lens and high in practicability.
In order to achieve the above object, the technical scheme of the utility model is to design an objective protection device, including being responsible for the body and glass piece, the glass piece is sealed to set firmly in being responsible for the lower tip of the body, be responsible for the body upper end and be equipped with a plurality of locking Assembly, during the use protection device passes through locking Assembly joint fixed mounting in the objective lower extreme outside.
When the utility model is used, the objective lens protector is fixedly arranged at the outer side of the lower end of the objective lens through the locking component in a clamping way, and a proper amount of deionized water or oil phase materials are filled into the main pipe body, so that the lens of the objective lens is immersed into the deionized water or oil phase materials in the protector, and the glass sheet of the protector is immersed into a measured object medium, so that the objective lens is isolated from the external measured object medium; meanwhile, the lens of the objective lens is immersed in the deionized water or the oil phase substance in the main tube, so that the consistency of the refractive indexes of the liquid medium where the objective lens is positioned and the medium of the object to be tested is ensured, the optical signal loss caused by the change of the refractive index is avoided, and the accuracy of the test result of the objective lens is ensured; the protection device is simple and reasonable in structural design, simple in mounting or dismounting process with the objective lens and high in practicability.
In order to ensure the firm convenience of the fixed clamping connection with the objective lens when the protection device is used, the preferred technical scheme is that a plurality of radial screw holes are arranged at the upper end of the main pipe body at circumferential intervals, locking bolts are screwed in the radial screw holes, an arc-shaped clamping joint is rotatably installed at one end of each locking bolt, which is positioned inside the main pipe body, and a handle is fixedly arranged at one end of each locking bolt, which is positioned outside the main pipe body. The locking bolt is in threaded connection with a radial threaded hole in the upper end of the main pipe body, the locking bolt is abutted to the outer side of the objective lens through the arc-shaped clamping joint, the locking bolt is fixedly connected with the main pipe body of the protection device and the outer side wall of the objective lens in a clamping mode through the rotating handle, the firm stability of the fixed clamping connection of the protection device and the objective lens is guaranteed, the fixing mode is simple, and the installation or disassembly efficiency of the protection device and the objective lens is guaranteed.
In order to guarantee the firm convenience of this protection device fixed joint with objective when using, further preferred technical scheme is in addition, be responsible for body upper end hoop interval and be equipped with a plurality of radial through-holes, radial through-hole internalization is pegged graft and is had the round pin post, the one end that the round pin post is located to be responsible for internal portion has set firmly the arc joint, the one end that the round pin post is located to be responsible for external portion has set firmly the handle, still includes the spring, the spring cup joints in the round pin post is located to be responsible for one of internal portion and serves, and the spring is located between the inner wall of arc joint and the main pipe body, and the spring is in compression state. The pin post activity is pegged graft in being responsible for the radial through-hole of body upper end, and the body of being responsible for with this protection device cup joints in objective lower extreme outside through pulling handle, loosens the handle, and the pin post passes through the elastic restoring force of spring and is responsible for body and objective lateral wall joint fixed connection with this protection device, and fixed mode is simple, has ensured the installation or the dismantlement efficiency of this protection device and objective.
According to the technical scheme, the main pipe body is composed of an inner pipe and an outer pipe, the inner pipe is fixedly connected with the inner portion of the outer pipe in a sleeved mode, a circumferential supporting table extending to the inner portion of the pipe body in a radial horizontal mode is arranged at the lower end of the outer pipe, and the outer periphery of the glass sheet is fixedly compressed in a gap between the lower end face of the inner pipe and the upper end face of the circumferential supporting table on the outer pipe. The glass sheet compresses tightly and is fixed in the gap between terminal surface under the inner tube and the last terminal surface of the annular brace table on the outer tube, and the mounting means of glass sheet is simple promptly, has ensured this protection device's production packaging efficiency.
In order to ensure the sealing performance of the protection device, a sealing gasket is further preferably arranged between the lower end surface of the outer periphery of the glass sheet and the upper end surface of the annular support platform on the outer tube. During the use, this protection device joint is fixed in the lower extreme outside of objective to pour into appropriate amount of liquid medium (deionized water or oil) in to this protection device, seal ring makes the outer peripheral edges of glass piece and the interior pipe between the terminal surface laminating leakproofness higher, can prevent effectively that the liquid medium of the inside splendid attire of protection device from taking place to reveal, ensured this protection device's safety in utilization.
In order to facilitate smooth preparation of the main pipe body, the upper end of the inner pipe is provided with a first horizontal flanging extending towards the outer circumferential direction, the upper end of the outer pipe is provided with a second horizontal flanging extending towards the outer circumferential direction, the first horizontal flanging of the inner pipe and the second horizontal flanging of the outer pipe are correspondingly provided with mounting holes, and the first horizontal flanging of the inner pipe and the second horizontal flanging of the outer pipe are fixedly connected through bolts. The outer pipe and the inner pipe are fixedly connected in a simple manner, so that the production and processing efficiency of the protection device is ensured; the glass sheet is a quick-wear part, the glass sheet is easy to scrape with the increase of the use times, the detachable fixed connection mode of the outer tube and the inner tube is simple, and the replacement of the glass sheet is convenient.
The utility model has the advantages and the beneficial effects that:
1. when the utility model is used, the objective lens protector is fixedly arranged at the outer side of the lower end of the objective lens through the locking component in a clamping way, and a proper amount of deionized water or oil phase materials are filled into the main pipe body, so that the lens of the objective lens is immersed into the deionized water or oil phase materials in the protector, and the glass sheet of the protector is immersed into a measured object medium, so that the objective lens is isolated from the external measured object medium; meanwhile, the lens of the objective lens is immersed in the deionized water or the oil phase substance in the main tube, so that the consistency of the refractive indexes of the liquid medium where the objective lens is positioned and the medium of the object to be tested is ensured, the optical signal loss caused by the change of the refractive index is avoided, and the accuracy of the test result of the objective lens is ensured; the protection device is simple and reasonable in structural design, simple in mounting or dismounting process with the objective lens and high in practicability.
2. The locking bolt is in threaded connection with a radial threaded hole in the upper end of the main pipe body, the locking bolt is abutted to the outer side of the objective lens through the arc-shaped clamping joint, the locking bolt is fixedly connected with the main pipe body of the protection device and the outer side wall of the objective lens in a clamping mode through the rotating handle, the firm stability of the fixed clamping connection of the protection device and the objective lens is guaranteed, the fixing mode is simple, and the installation or disassembly efficiency of the protection device and the objective lens is guaranteed.
3. The pin post activity is pegged graft in being responsible for the radial through-hole of body upper end, and the body of being responsible for with this protection device cup joints in objective lower extreme outside through pulling handle, loosens the handle, and the pin post passes through the elastic restoring force of spring and is responsible for body and objective lateral wall joint fixed connection with this protection device, and fixed mode is simple, has ensured the installation or the dismantlement efficiency of this protection device and objective.
4. The main pipe body comprises inner tube and outer tube, the inner tube cup joints the inside that the laminating was fixed in the outer tube, the lower extreme of outer tube is equipped with the hoop brace table to the inside radial level extension of body, the outer peripheral edges of glass piece are fixed to compress tightly under the inner tube in the gap between terminal surface and the outer tube on the hoop brace table up end. The glass sheet compresses tightly and is fixed in the gap between terminal surface under the inner tube and the last terminal surface of the annular brace table on the outer tube, and the mounting means of glass sheet is simple promptly, has ensured this protection device's production packaging efficiency.
5. And a sealing gasket is arranged between the lower end surface of the outer periphery of the glass sheet and the upper end surface of the annular supporting table on the outer tube. During the use, this protection device joint is fixed in the lower extreme outside of objective to pour into appropriate amount of liquid medium (deionized water or oil) in to this protection device, seal ring makes the outer peripheral edges of glass piece and the interior pipe between the terminal surface laminating leakproofness higher, can prevent effectively that the liquid medium of the inside splendid attire of protection device from taking place to reveal, ensured this protection device's safety in utilization.
6. The outer pipe is characterized in that a first horizontal flanging extending towards the outer direction is arranged at the upper end of the inner pipe, a second horizontal flanging extending towards the outer direction is arranged at the upper end of the outer pipe, mounting holes are correspondingly formed in the first horizontal flanging of the inner pipe and the second horizontal flanging of the outer pipe, and the first horizontal flanging of the inner pipe and the second horizontal flanging of the outer pipe are fixedly connected through bolts. The outer pipe and the inner pipe are fixedly connected in a simple manner, so that the production and processing efficiency of the protection device is ensured; the glass sheet is a quick-wear part, the glass sheet is easy to scrape with the increase of the use times, the detachable fixed connection mode of the outer tube and the inner tube is simple, and the replacement of the glass sheet is convenient.
Drawings
FIG. 1 is a sectional view showing the structure of an objective lens protection device according to embodiment 1;
FIG. 2 is a plan view of an objective lens protection device of example 1;
fig. 3 is a sectional view showing the structure of an objective lens protection device according to embodiment 2.
In the figure: 1. an inner tube; 2. an outer tube; 3. a glass sheet; 4. a sealing gasket; 5. a bolt; 6. locking the bolt; 7. a pin; 8. an arc-shaped clamping joint; 9. a handle; 10. a spring; 1-1, first horizontal flanging; 2-1, second horizontal flanging; 2-2, and a circular support platform.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Example 1
As shown in fig. 1-2, an objective lens protection device comprises a main tube body and a glass sheet 3, wherein the glass sheet 3 is fixedly arranged at the lower end of the main tube body in a sealing manner, a plurality of locking assemblies are arranged at the upper end of the main tube body, and the protection device is fixedly arranged at the outer side of the lower end of an objective lens in a clamping manner through the locking assemblies during use.
Preferably, a plurality of radial screw holes are formed in the upper end of the main pipe body at intervals in the circumferential direction, locking bolts 6 are screwed in the radial screw holes, an arc-shaped clamping joint 8 is rotatably installed at one end, located inside the main pipe body, of each locking bolt 6, and a handle 9 is fixedly arranged at one end, located outside the main pipe body, of each locking bolt 6.
Preferably, the main pipe body comprises an inner pipe 1 and an outer pipe 2, the inner pipe 1 is fixedly sleeved and attached inside the outer pipe 2, a circumferential support table 2-2 extending radially and horizontally towards the inside of the pipe body is arranged at the lower end of the outer pipe 2, and the outer periphery of the glass sheet 3 is fixedly compressed in a gap between the lower end face of the inner pipe 1 and the upper end face of the circumferential support table 2-2 on the outer pipe 2.
More preferably, a sealing gasket 4 is further provided between a lower end surface of the outer periphery of the glass sheet 3 and an upper end surface of the annular support base 2-2 of the outer tube 2.
Preferably, the upper end of the inner pipe 1 is provided with a first horizontal flanging 1-1 extending outwards in a circumferential direction, the upper end of the outer pipe 2 is provided with a second horizontal flanging 2-1 extending outwards in a circumferential direction, the first horizontal flanging 1-1 of the inner pipe 1 and the second horizontal flanging 2-1 of the outer pipe 2 are correspondingly provided with mounting holes, and the first horizontal flanging 1-1 of the inner pipe 1 and the second horizontal flanging 2-1 of the outer pipe 2 are fixedly connected through bolts 5.
Principle of use of an objective lens protection device in embodiment 1:
when the device is used, the protection device is sleeved at the lower end part of the objective lens, and the arc-shaped clamping joint 8 on the locking bolt 6 is fixedly clamped with the outer side wall of the objective lens by rotating the handle 9, so that the main pipe body (the inner pipe 1 and the outer pipe 2) of the protection device is fixedly clamped with the objective lens; according to the property of the tested object, pouring a proper amount of liquid medium (deionized water or oil) into the protection device; the objective lens and the objective lens protector are immersed into the measured object medium, the measured object medium is measured, after the measurement is finished, the handle 9 is rotated to separate the arc-shaped clamping head 8 on the locking bolt 6 from the objective lens, and the protector is detached from the objective lens.
Example 2
As shown in fig. 3, an objective lens protection device is different from embodiment 1 in that a plurality of radial through holes are arranged at circumferential intervals at the upper end of a main tube body, a pin 7 is movably inserted into each radial through hole, an arc-shaped clamping joint 8 is fixedly arranged at one end of the pin 7 located inside the main tube body, a handle 9 is fixedly arranged at one end of the pin 7 located outside the main tube body, the objective lens protection device further comprises a spring 10, the spring 10 is sleeved at one end of the pin 7 located inside the main tube body, the spring 10 is located between the arc-shaped clamping joint 8 and the inner wall of the main tube body, and the spring 10 is in a compressed state.
Use principle of an objective lens protection device in embodiment 2:
when the protective device is used, the protective device is sleeved at the lower end part of the objective lens, the objective lens is arranged at the inner side of the pin column 7 of the main tube body (the inner tube 1 and the outer tube 2) of the protective device by pulling the handle 9, the handle 9 is loosened, and the elastic restoring force of the spring 10 drives the arc-shaped clamping joint 8 on the pin column 7 to be fixedly clamped with the outer side wall of the objective lens; according to the property of the tested object, pouring a proper amount of liquid medium (deionized water or oil) into the protection device; the objective lens and the objective lens protector are immersed in the medium to be measured, the medium to be measured is measured, and after the measurement is completed, the handle 9 is pulled and the protector is detached from the objective lens.
When the utility model is used, the objective lens protector is fixedly arranged at the outer side of the lower end of the objective lens through the locking component in a clamping way, and a proper amount of deionized water or oil phase materials are filled into the main pipe body, so that the lens of the objective lens is immersed into the deionized water or oil phase materials in the protector, and the glass sheet of the protector is immersed into a measured object medium, so that the objective lens is isolated from the external measured object medium; meanwhile, the lens of the objective lens is immersed in the deionized water or the oil phase substance in the main tube, so that the consistency of the refractive indexes of the liquid medium where the objective lens is positioned and the medium of the object to be tested is ensured, the optical signal loss caused by the change of the refractive index is avoided, and the accuracy of the test result of the objective lens is ensured; the protection device is simple and reasonable in structural design, simple in mounting or dismounting process with the objective lens and high in practicability.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (6)
1. The utility model provides an objective protection device, its characterized in that includes and is responsible for the body and glass piece (3), glass piece (3) seal set firmly in the lower tip of being responsible for the body, be responsible for the body upper end and be equipped with a plurality of locking Assembly, during the use protection device passes through locking Assembly joint fixed mounting in the objective lower extreme outside.
2. The objective lens protection device according to claim 1, wherein a plurality of radial screw holes are circumferentially arranged at intervals at the upper end of the main tube body, a locking bolt (6) is threaded in each radial screw hole, an arc-shaped clamping joint (8) is rotatably installed at one end of the locking bolt (6) located inside the main tube body, and a handle (9) is fixedly arranged at one end of the locking bolt (6) located outside the main tube body.
3. The objective lens protection device according to claim 1, wherein a plurality of radial through holes are circumferentially arranged at an interval at the upper end of the main tube body, a pin (7) is movably inserted into each radial through hole, an arc-shaped clamping joint (8) is fixedly arranged at one end of the pin (7) located inside the main tube body, a handle (9) is fixedly arranged at one end of the pin (7) located outside the main tube body, the objective lens protection device further comprises a spring (10), the spring (10) is sleeved at one end of the pin (7) located inside the main tube body, the spring (10) is located between the arc-shaped clamping joint (8) and the inner wall of the main tube body, and the spring (10) is in a compressed state.
4. The objective lens protection device according to claim 2 or 3, wherein the main tube body is composed of an inner tube (1) and an outer tube (2), the inner tube (1) is sleeved, attached and fixed inside the outer tube (2), a circumferential support table (2-2) extending horizontally and radially inside the tube body is arranged at the lower end of the outer tube (2), and the outer periphery of the glass sheet (3) is fixedly pressed in a gap between the lower end face of the inner tube (1) and the upper end face of the circumferential support table (2-2) on the outer tube (2).
5. An objective lens protector as claimed in claim 4, characterized in that a sealing gasket (4) is provided between the lower end face of the outer periphery of the glass plate (3) and the upper end face of the annular support (2-2) on the outer tube (2).
6. The objective lens protector according to claim 5, wherein a first horizontal flanging (1-1) extending outward in a circumferential direction is arranged at the upper end of the inner tube (1), a second horizontal flanging (2-1) extending outward in a circumferential direction is arranged at the upper end of the outer tube (2), the first horizontal flanging (1-1) of the inner tube (1) and the second horizontal flanging (2-1) of the outer tube (2) are correspondingly provided with mounting holes, and the first horizontal flanging (1-1) of the inner tube (1) and the second horizontal flanging (2-1) of the outer tube (2) are fixedly connected through bolts (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020477100.4U CN211528813U (en) | 2020-04-03 | 2020-04-03 | Objective lens protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020477100.4U CN211528813U (en) | 2020-04-03 | 2020-04-03 | Objective lens protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211528813U true CN211528813U (en) | 2020-09-18 |
Family
ID=72460618
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020477100.4U Expired - Fee Related CN211528813U (en) | 2020-04-03 | 2020-04-03 | Objective lens protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211528813U (en) |
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2020
- 2020-04-03 CN CN202020477100.4U patent/CN211528813U/en not_active Expired - Fee Related
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200918 |