CN113671686A - Infrared sighting telescope lightweight diopter adjustable eyepiece - Google Patents
Infrared sighting telescope lightweight diopter adjustable eyepiece Download PDFInfo
- Publication number
- CN113671686A CN113671686A CN202110804039.9A CN202110804039A CN113671686A CN 113671686 A CN113671686 A CN 113671686A CN 202110804039 A CN202110804039 A CN 202110804039A CN 113671686 A CN113671686 A CN 113671686A
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- CN
- China
- Prior art keywords
- eyepiece
- diopter
- lightweight
- limiting
- pressing ring
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B25/00—Eyepieces; Magnifying glasses
- G02B25/001—Eyepieces
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B7/00—Mountings, adjusting means, or light-tight connections, for optical elements
- G02B7/02—Mountings, adjusting means, or light-tight connections, for optical elements for lenses
- G02B7/023—Mountings, adjusting means, or light-tight connections, for optical elements for lenses permitting adjustment
Abstract
The invention provides a lightweight eyepiece with adjustable diopter of an infrared sighting telescope. The parts in the ocular lens are made of carbon fiber reinforced polyetheretherketone materials instead of traditional alloy materials, and compared with the alloy materials, the ocular lens is light in structural weight by 30%. Similarly, the structure of the eyepiece of the invention has the advantages of high strength, light weight, corrosion resistance, low friction coefficient and good self-lubricating structure. The eyepiece of the invention has simple design and easy processing, and the visual degree is convenient to adjust. The limiting column arranged in the eyepiece is matched with the guide limiting groove, so that the rotation problem of the eyepiece in the process of adjusting the visibility is avoided.
Description
Technical Field
The invention relates to the technical field of photoelectricity, in particular to an eyepiece with an adjustable light-weight visibility of an infrared sighting telescope.
Background
The infrared sighting telescope system is suitable for operators with different visual degrees, and the mature solution is to match an eyepiece assembly with adjustable visual degrees to realize the presentation of different visual degrees of a display device of the infrared sighting telescope system.
The eyepiece structure with adjustable visibility mainly adopts the following two adjusting modes. One is to realize the movement of the whole ocular lens group through the rotation of a thread structure, thereby realizing the adjustment of the visibility. The adjusting mode can drive the eyepiece lens group to rotate, and after the eye mask is added, the eye mask rotates to rub the eyes of an operator, so that discomfort is brought; one is to design a cam mechanism to drive the ocular lens group to move axially, but the mechanism is complex and the sealing performance cannot be guaranteed.
The infrared sighting telescope system pays more and more attention to the light weight of products, and has high requirements on environmental adaptability under complex environmental conditions. In consideration of machinability and strength, most of the conventional eyepiece structure materials are alloy materials such as aluminum alloy, magnesium alloy and the like; and the corrosion resistance of the whole metal structure is realized by matching with a surface treatment mode. However, the alloy material is heavy, the weight is not easily reduced due to the limitation of the structure, and once the alloy surface treatment layer is damaged, the structure is easily corroded and damaged.
Therefore, there is a need for a lighter eyepiece that can maintain the adjustability of the visibility and the structural stability of the infrared telescope system in a complex environment.
Disclosure of Invention
In view of this, the invention provides a lightweight eyepiece with adjustable visibility of an infrared sighting telescope, which can still maintain the adjustability of the visibility and the structural stability of an infrared sighting telescope system in a complex environment.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides an infrared sighting telescope lightweight diopter adjustable eyepiece, includes frame, diopter adjusting hand wheel, eyepiece lens cone, spacing post, clamping ring, spacing clamping ring, space ring and eyepiece lens.
The outer circumferential surface of the eyepiece lens barrel is matched with the inner circumferential surface of the outer frame, the limiting column is fixedly connected with the outer frame and extends into the guide limiting groove of the eyepiece lens barrel of the inner barrel, and a movable range is reserved in the guide limiting groove.
The visibility adjusting handwheel is sleeved on the outer circumferential surface of the outer frame and is fixedly connected with the eyepiece lens barrel; the limiting pressing ring is fixedly connected with the pressing ring, so that the limiting pressing ring is matched with a limiting boss of the visibility adjusting hand wheel to limit the axial movement of the visibility adjusting hand wheel.
The eyepiece lens realizes axial limit in the eyepiece lens barrel through the pressing ring and the spacing ring; the outer frame and the pressing ring are hermetically arranged.
The outer frame, the visibility adjusting hand wheel, the eyepiece lens barrel, the limiting column, the pressing ring, the limiting pressing ring and the spacing ring are made of carbon fiber reinforced polyether-ether-ketone materials.
Furthermore, a limiting pressing ring is in threaded connection with the pressing ring.
Further, an internal thread is processed at one end of the pressing ring, a sealing groove is processed at the outer side of the pressing ring, and an external thread is processed at the other end of the pressing ring; the limiting pressing ring is provided with an internal thread and a limiting boss on the outer side.
Furthermore, the visibility adjusting hand wheel is in threaded connection with the eyepiece lens barrel.
Furthermore, the appearance of the visibility adjusting hand wheel is of a cylindrical structure, hand threads for increasing friction are uniformly distributed on the outer circumferential surface, threads are machined on one section of the inner circumferential surface, and a limiting boss is machined at the other end of the inner circumferential surface.
Furthermore, the limiting column is fixed in a threaded hole of the outer frame through top threads.
Furthermore, one end of the eyepiece lens barrel is provided with two waist-shaped blind holes which are guiding limit grooves; and the outer circumferential surface of the other end is provided with an external thread.
Further, the frame integrated into one piece, for a hollow cylinder, install square boss on the one end terminal surface, it has the screw installation through-hole to open on the four corners of boss, and annular seal groove and screw thread through-hole are processed to the middle-end outside of the face of cylinder of hollow cylinder, and the external screw thread is processed to the face of cylinder outer end.
Furthermore, the space ring is of a circular ring-shaped structure.
Furthermore, the outer sides of the outer frame and the pressing ring are provided with silicon rubber sealing rings and coated with sealing grease.
Has the advantages that: the invention provides a lightweight eyepiece with adjustable diopter of an infrared sighting telescope. The carbon fiber reinforced polyether-ether-ketone material is adopted to replace the traditional alloy material, and compared with the alloy material, the carbon fiber reinforced polyether-ether-ketone material has the advantages of light structural weight of 30%, high structural strength, light weight, corrosion resistance, low friction coefficient, good self-lubricating property, simple structural design, easiness in processing and convenience in visual degree adjustment; the matching of the built-in limiting column and the guide limiting groove avoids the rotation problem of the ocular lens in the process of adjusting the visibility.
Drawings
FIG. 1 is a diagram of the apparatus of the present invention;
the visual acuity adjusting mechanism comprises an outer frame 1, a visual acuity adjusting hand wheel 2, an eyepiece lens barrel 3, a limiting column 4, a pressing ring 5, a limiting pressing ring 6, a spacing ring 7 and an eyepiece lens 8.
Detailed Description
The invention is described in detail below by way of example with reference to the accompanying drawings.
As shown in figure 1, the invention provides an infrared sighting telescope lightweight eyepiece with adjustable diopter, which comprises an outer frame 1, a diopter adjusting hand wheel 2, an eyepiece lens barrel 3, a limiting column 4, a pressing ring 5, a limiting pressing ring 6, a spacing ring 7 and an eyepiece lens 8.
In order to reduce the weight of the eyepiece, the carbon fiber reinforced PEEK (polyetheretherketone) material is adopted to replace an alloy material, and the structural design of the eyepiece is carried out. Compared with alloy materials, the carbon fiber reinforced PEEK material has the advantages of high structural strength, light weight, corrosion resistance, low friction coefficient and good self-lubricating property. The same structural design, the PEEK material quality of carbon fibre reinforcing is light 30%.
One end of the eyepiece lens barrel 3 is provided with two waist-shaped blind holes which are guiding limit grooves; the outer circumference of the other end is provided with an external thread; the outer frame 1 is integrally formed and is a hollow cylinder, a square boss is mounted on the end face of one end of the outer frame, 4 screw mounting through holes are formed in four corners of the boss, an annular sealing groove and two threaded holes are formed in the outer side of the middle end of the cylindrical surface of the hollow cylinder, and external threads are formed in the outer end of the cylindrical surface; the visibility adjusting hand wheel 2 is of a cylindrical structure, hand threads for increasing friction are uniformly distributed on the outer circumferential surface, threads are machined at one end of the inner circumferential surface, and a limiting boss is machined at the other end of the inner circumferential surface. And one end of the pressing ring 5 is provided with an internal thread, the outer side of the pressing ring is provided with a sealing groove, and the other end of the pressing ring is provided with an external thread. The limiting pressing ring 6 is provided with an internal thread, and a limiting boss is processed on the outer side. The space ring 7 is in a circular ring structure.
The connection between the parts of the eyepiece is: the outer circumferential surface of the eyepiece lens barrel 3 is matched with the inner circumferential surface of the outer frame 1, and the guide limit groove of the eyepiece lens barrel 3 is opposite to the threaded hole of the outer frame 1; the limiting column 4 is fixed in a threaded hole of the outer frame 1 through top threads and extends into a guiding limiting groove of the inner barrel eyepiece lens barrel 3, and a movable range is reserved in the guiding limiting groove; the visibility adjusting hand wheel 2 is sleeved on the outer circumferential surface of the outer frame 1 and is in threaded fit with the eyepiece lens barrel 3; the inner circumference of one end of the pressing ring 5 is fixedly connected with the eyepiece lens barrel 3 through threads, and the outer circumference of the other end of the pressing ring 5 is connected with the limiting pressing ring 6 through threads, so that the limiting pressing ring 6 compresses a limiting boss of the visibility adjusting hand wheel 2. In the embodiment of the present invention, 3 eyepiece lenses 8 are used. Two adjacent eyepiece lenses 8 realize axial spacing in eyepiece barrel 3 through space ring 7, and the eyepiece lens 8 outer end on the outermost side is spacing by clamping ring 5. And silicone rubber sealing rings are arranged on the outer sides of the outer frame 1 and the pressing ring 5 and are coated with sealing grease.
And (3) a visibility adjusting principle: rotating the visibility adjusting hand wheel 2 to drive the limiting pressing ring 6 to axially and linearly move; the limiting pressing ring 6 is fixedly connected with the pressing ring 5 through threads, and the pressing ring 5 is fixedly connected with the eyepiece lens barrel 3 through threads; then the visual degree adjusting hand wheel 2 is rotated to drive the eyepiece lens barrel 3 to do axial linear motion; the limiting column 4 on the outer frame 1 is matched with the guiding limiting groove on the ocular lens cone 3 to limit the movement direction and the movement amount of the ocular lens cone 3, and finally, the adjustment of the visibility range is realized.
In summary, the above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention. 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 (10)
1. An infrared sighting telescope lightweight eyepiece with adjustable diopter is characterized by comprising an outer frame (1), a diopter adjusting hand wheel (2), an eyepiece lens barrel (3), a limiting column (4), a pressing ring (5), a limiting pressing ring (6), a spacing ring (7) and an eyepiece lens (8);
the outer circumferential surface of the eyepiece lens barrel (3) is matched with the inner circumferential surface of the outer frame (1), the limiting column (4) is fixedly connected with the outer frame (1) and extends into a guiding limiting groove of the eyepiece lens barrel (3) of the inner barrel, and a movable range is reserved in the guiding limiting groove;
the visibility adjusting hand wheel (2) is sleeved on the outer circumferential surface of the outer frame (1) and is fixedly connected with the eyepiece lens barrel (3); the limiting pressing ring (6) is fixedly connected with the pressing ring (5), so that the limiting pressing ring (6) is matched with a limiting boss of the visibility adjusting hand wheel (2) to limit the axial movement of the visibility adjusting hand wheel (2);
the eyepiece lens (8) realizes axial limit in the eyepiece lens barrel (3) through the pressing ring (5) and the spacing ring (7); the outer frame (1) and the pressing ring (5) are hermetically arranged;
the material of frame (1), diopter adjusting hand wheel (2), eyepiece lens cone (3), spacing post (4), clamping ring (5), spacing clamping ring (6), spacer ring (7) is carbon fibre reinforcing polyether ether ketone material.
2. The infrared telescope lightweight diopter adjustable eyepiece of claim 1 wherein said limiting clamping ring (6) is threadably connected to clamping ring (5).
3. The infrared sighting telescope lightweight eyepiece with adjustable diopter as defined in claim 2, wherein one end of the clamping ring (5) is provided with an internal thread, the outer side thereof is provided with a sealing groove, and the other end thereof is provided with an external thread; the limiting pressing ring (6) is provided with an internal thread, and a limiting boss is arranged on the outer side of the limiting pressing ring.
4. The infrared sighting telescope lightweight diopter adjustable eyepiece according to claim 1, wherein the diopter adjusting hand wheel (2) is in threaded connection with the eyepiece barrel (3).
5. The infrared telescope lightweight diopter adjustable eyepiece according to claim 4, wherein the diopter adjusting hand wheel (2) is of a cylindrical structure, hand threads for increasing friction are uniformly distributed on the outer circumferential surface, a thread is processed on one section of the inner circumferential surface, and a limit boss is processed on the other end.
6. The infrared telescope lightweight diopter adjustable eyepiece according to any of claims 1 to 5, wherein the limiting post (4) is fixed in a threaded hole of the outer frame (1) by a top thread.
7. The infrared sighting telescope lightweight eyepiece with adjustable diopter of claim 1, wherein one end of the eyepiece barrel (3) is provided with two waist-shaped blind holes which are guiding limit grooves; and the outer circumferential surface of the other end is provided with an external thread.
8. The infrared telescope lightweight eyepiece with adjustable diopter according to claim 1, wherein the outer frame (1) is formed by integral processing and is a hollow cylinder, a square boss is installed on one end face, screw installation through holes are opened on four corners of the boss, an annular sealing groove and a threaded through hole are processed on the outer side of the middle end of the cylindrical surface of the hollow cylinder, and an external thread is processed on the outer end of the cylindrical surface.
9. The infrared telescope lightweight diopter adjustable eyepiece according to claim 1, wherein said spacer ring (7) is of annular configuration.
10. The infrared telescope lightweight diopter adjustable eyepiece according to claim 1, wherein the outer frame (1) and the outer side of the pressing ring (5) are provided with silicone rubber sealing rings and coated with sealing grease.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110804039.9A CN113671686A (en) | 2021-07-16 | 2021-07-16 | Infrared sighting telescope lightweight diopter adjustable eyepiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110804039.9A CN113671686A (en) | 2021-07-16 | 2021-07-16 | Infrared sighting telescope lightweight diopter adjustable eyepiece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113671686A true CN113671686A (en) | 2021-11-19 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110804039.9A Pending CN113671686A (en) | 2021-07-16 | 2021-07-16 | Infrared sighting telescope lightweight diopter adjustable eyepiece |
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| CN (1) | CN113671686A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1150654A (en) * | 1994-12-05 | 1997-05-28 | 株式会社尼康 | Eyepiece cover for optical device |
| JPH09262203A (en) * | 1996-03-29 | 1997-10-07 | Fuji Photo Optical Co Ltd | Eye-piece apparatus of endoscope |
| JPH1010441A (en) * | 1996-06-27 | 1998-01-16 | Nikon Corp | Microscope eyepiece |
| JP2000139819A (en) * | 1998-09-01 | 2000-05-23 | Olympus Optical Co Ltd | Endoscope |
| CN205210392U (en) * | 2015-12-01 | 2016-05-04 | 河北汉光重工有限责任公司 | Accommodation degree structure of back -and -forth movement eyepiece |
| US20170293135A1 (en) * | 2016-04-11 | 2017-10-12 | Mitaka Kohki Co., Ltd. | Eyepiece structure for surgical microscope |
| CN112099183A (en) * | 2020-09-30 | 2020-12-18 | 湖北华中光电科技有限公司 | Ultra-light continuous zoom lens based on PEEK |
| CN213021221U (en) * | 2020-06-05 | 2021-04-20 | 河北汉光重工有限责任公司 | Focusing limiting waterproof eyepiece |
-
2021
- 2021-07-16 CN CN202110804039.9A patent/CN113671686A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1150654A (en) * | 1994-12-05 | 1997-05-28 | 株式会社尼康 | Eyepiece cover for optical device |
| JPH09262203A (en) * | 1996-03-29 | 1997-10-07 | Fuji Photo Optical Co Ltd | Eye-piece apparatus of endoscope |
| JPH1010441A (en) * | 1996-06-27 | 1998-01-16 | Nikon Corp | Microscope eyepiece |
| JP2000139819A (en) * | 1998-09-01 | 2000-05-23 | Olympus Optical Co Ltd | Endoscope |
| CN205210392U (en) * | 2015-12-01 | 2016-05-04 | 河北汉光重工有限责任公司 | Accommodation degree structure of back -and -forth movement eyepiece |
| US20170293135A1 (en) * | 2016-04-11 | 2017-10-12 | Mitaka Kohki Co., Ltd. | Eyepiece structure for surgical microscope |
| CN213021221U (en) * | 2020-06-05 | 2021-04-20 | 河北汉光重工有限责任公司 | Focusing limiting waterproof eyepiece |
| CN112099183A (en) * | 2020-09-30 | 2020-12-18 | 湖北华中光电科技有限公司 | Ultra-light continuous zoom lens based on PEEK |
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