CN216210220U - Simple infrared light supplementing and zooming structure - Google Patents
Simple infrared light supplementing and zooming structure Download PDFInfo
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- CN216210220U CN216210220U CN202122522438.4U CN202122522438U CN216210220U CN 216210220 U CN216210220 U CN 216210220U CN 202122522438 U CN202122522438 U CN 202122522438U CN 216210220 U CN216210220 U CN 216210220U
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Abstract
The utility model discloses a cylindrical infrared light supplementing and zooming structure, which comprises a zooming infrared lens assembly arranged at the front part of a shell of a night vision device, wherein the zooming infrared lens assembly comprises a second base arranged at the front side of the shell of the night vision device, a second lens front shell which penetrates through the front and the back is fixedly arranged in the second base, a second lens assembly and an infrared assembly are respectively arranged in the second lens front shell from front to back, the infrared assembly can move back and forth relative to the second lens front shell to adjust the infrared focal length, the infrared focal length of an IR LED can be adjusted, the night vision observation capability can be enhanced, the power of the IR LED is amplified through an electronic technology, an ideal night vision effect is achieved, and compared with the traditional structure, the novel structure is simpler and more practical, and the cost is lower.
Description
Technical Field
The utility model relates to a cylindrical infrared light supplementing and zooming structure.
Background
Night vision devices play an important role in night vision. An infrared light supplementing and zooming structure is added in the existing night vision device, but the existing infrared light supplementing and zooming structure is complex in overall structure, difficult to operate and high in production cost, and cannot meet the requirements of production and use;
therefore, an easy infrared light-supplementing zoom structure is urgently needed to solve the problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a cylindrical infrared light supplementing and zooming structure;
the cylindrical infrared light supplementing and zooming structure designed according to the purpose comprises a zoom infrared lens component arranged at the front part of a night vision device shell;
the zoom infrared lens assembly comprises a second base arranged on the front side of the night vision device shell, a second lens front shell which penetrates through the second base in the front-back direction is fixedly arranged in the second base, a second lens assembly and an infrared assembly are respectively arranged in the second lens front shell from front to back, and the infrared assembly can move back and forth relative to the second lens front shell to adjust the infrared focal length;
preferably, a second adjusting hand wheel is sleeved on the outer wall of the front second lens shell, a limiting ring is arranged on the outer wall of the rear side of the front second lens shell, a second annular side cover is mounted on the front side of the front second lens shell, the second adjusting hand wheel moves between the limiting ring and the second annular side cover, a second guide groove which penetrates through the inner wall of the second adjusting hand wheel from front to back is formed in the left side and the right side of the inner wall of the second adjusting hand wheel, arc-shaped grooves are formed in the left side and the right side of the side wall of the front second lens shell respectively, the infrared assembly comprises an infrared base, pin holes are formed in the outer walls of the left side and the right side of the infrared base, guide pins are arranged in the pin holes and are inserted into the arc-shaped grooves and the second guide groove in sequence, and an infrared lamp is arranged at the axis of the infrared base;
preferably, the second annular side cover is in threaded connection with the second lens front housing;
preferably, the second lens front housing is mounted on the second base by screws;
the utility model has the advantages of simple and reasonable structure, simpler structure, reduced cost, integrated design and improved efficiency, compared with the prior art, the variable-focus infrared lens component comprises a second base arranged on the front side of the shell of the night vision device, a second lens front shell which penetrates through the front and the back is fixedly arranged in the second base, a second lens component and an infrared component are respectively arranged in the second lens front shell from front to back, namely, the infrared component can move back and forth relative to the second lens front shell to adjust the infrared focal length, the IR LED infrared focal length can be adjusted, the night vision observation capability can be enhanced, the IR LED power can be amplified through an electronic technology, the ideal night vision effect can be achieved, compared with the traditional structure, the novel structure is simpler and more practical, and the cost is lower.
Drawings
FIG. 1 is a third schematic cross-sectional view of the present invention;
FIG. 2 is an enlarged view of the structure at B in FIG. 1 according to the present invention;
fig. 3 is an exploded sectional view of the present invention.
Detailed Description
The utility model is further described with reference to the accompanying drawings and embodiments;
referring to fig. 1-3, a cylindrical easy infrared fill-in zoom structure includes a variable focus infrared lens assembly 20 mounted at the front of a night vision device housing 10;
the variable focus infrared lens assembly 20 comprises a second base 210 mounted on the front side of the night vision device housing 10, a second lens front housing 220 penetrating in the front-back direction is fixedly mounted in the second base 210, a second lens assembly 240 and an infrared assembly 280 are respectively arranged in the second lens front housing 220 from front to back, and the infrared assembly 280 can move back and forth relative to the second lens front housing 220 to adjust the infrared focal length;
the infrared focal length of the IR LED can be adjusted by moving the infrared assembly 280 back and forth, the night vision observation capability can be enhanced, the power of the IR LED is amplified by an electronic technology, and an ideal night vision effect is achieved;
specifically, a second adjusting handwheel 230 is sleeved on the outer wall of the second lens front housing 220, a stopper ring 222 is provided on the rear outer wall of the second front lens housing 220, a second annular edge cover 250 is installed on the front side of the second front lens housing 220, the second adjustment handwheel 230 moves between the stop collar 222 and the second annular rim cover 250, the inner wall of the second adjusting handwheel 230 is provided with a second guide groove 231 which penetrates through the inner wall of the second adjusting handwheel from front to back, arc-shaped grooves 221 are respectively formed on the left and right of the side wall of the second front lens housing 220, the infrared assembly 280 includes an infrared base 260, the outer walls of the left side and the right side of the infrared base 260 are provided with pin holes 261, guide pins are arranged in the pin holes 261, the guide pin is inserted into the arc-shaped groove 221 and the second guide groove 231 in sequence, and an infrared lamp 270 is disposed at the axis of the infrared base 260;
the adjusting principle is as follows:
the guide pin can be driven to move along the arc-shaped groove by rotating the second adjusting hand wheel 230, so that the back and forth movement of the infrared base 260 is realized, the infrared lamp 270 is driven to move back and forth, namely, the infrared focal length of the IR LED is adjusted, the night vision observation capability can be enhanced, the power of the IR LED is amplified through an electronic technology, an ideal night vision effect is achieved, and compared with the traditional structure, the novel structure is simpler and more practical, and the cost is lower;
the second annular edge cover 250 is screw-coupled to the second front lens housing 220;
the second lens front housing 220 is mounted on the second base 210 by screws;
in the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used only for the convenience of description and simplicity of description, rather than to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the utility model, the terms "first" and "second" are used for descriptive purposes only, but not as indicating or implying relative importance or implicitly indicating the number of technical features indicated;
the foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the utility model as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (4)
1. A cylindrical easy infrared light supplementing zoom structure comprises a zoom infrared lens component (20) arranged at the front part of a night vision device shell (10);
the method is characterized in that: the zoom infrared lens assembly (20) comprises a second base (210) installed on the front side of the night vision device shell (10), a second lens front shell (220) penetrating through the second base (210) is fixedly installed in the second base, a second lens assembly (240) and an infrared assembly (280) are arranged in the second lens front shell (220) from front to back respectively, and the infrared assembly (280) can move back and forth relative to the second lens front shell (220) to adjust the infrared focal length.
2. The cylindrical easy infrared light supplementing zoom structure according to claim 1, wherein: a second adjusting hand wheel (230) is sleeved on the outer wall of the second lens front shell (220), a limit ring (222) is arranged on the outer wall of the rear side of the second lens front shell (220), a second annular side cover (250) is installed on the front side of the second lens front shell (220), the second adjusting hand wheel (230) moves between the limit ring (222) and the second annular side cover (250), second guide grooves (231) penetrating through the front and the rear are respectively formed in the left and the right sides of the inner wall of the second adjusting hand wheel (230), arc-shaped grooves (221) are respectively formed in the left and the right sides of the side wall of the second lens front shell (220), the infrared assembly (280) comprises an infrared base (260), pin holes (261) are formed in the outer walls of the left and the right sides of the infrared base (260), guide pins are arranged in the pin holes (261), and are sequentially inserted into the arc-shaped grooves (221) and the second guide grooves (231), an infrared lamp (270) is arranged at the axis of the infrared base (260).
3. The cylindrical easy infrared light supplementing zoom structure according to claim 2, wherein: the second annular side cover (250) is in threaded connection with the second front lens shell (220).
4. The cylindrical easy infrared light supplementing zoom structure according to claim 2, wherein: the second lens front housing (220) is mounted on the second base (210) by screws.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122522438.4U CN216210220U (en) | 2021-10-19 | 2021-10-19 | Simple infrared light supplementing and zooming structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122522438.4U CN216210220U (en) | 2021-10-19 | 2021-10-19 | Simple infrared light supplementing and zooming structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216210220U true CN216210220U (en) | 2022-04-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122522438.4U Active CN216210220U (en) | 2021-10-19 | 2021-10-19 | Simple infrared light supplementing and zooming structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216210220U (en) |
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2021
- 2021-10-19 CN CN202122522438.4U patent/CN216210220U/en active Active
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