Infrared fast-assembly lens

Abstract

The utility model provides an infrared fast-assembly lens, which comprises a fixed lens cone, one end of the fixed lens cone is fixedly provided with an installation sleeve, the inner wall of the installation sleeve is provided with a first thread matched with the connecting end of an infrared equipment lens, and the other end of the fixed lens cone is provided with a movable lens cone; the movable lens cone comprises an outer lens cone and an inner lens cone detachably installed in the outer lens cone, the opposite ends of the inner lens cone and the outer lens cone are provided with a first limiting groove and a second limiting groove respectively, and a lens is placed between the two limiting grooves. According to the utility model, when dust or water mist on the lenses affects the use, the lenses can be independently detached and cleaned; the fixed lens cone and the movable lens cone can perform relative displacement, so that the overall length of the device can be controlled, and zooming is realized.

Description

Technical Field

[0001] The utility model mainly relates to the technical field of infrared equipment, in particular to an infrared quick-install lens. Background Art

[0002] Infrared equipment is mainly used to capture infrared radiation emitted or reflected by objects, usually in the wavelength range of 0.7 to 1000 microns. It is particularly suitable for infrared photography and infrared imaging technology, and can be used for night observation to capture scenes that human eyes cannot see.

[0003] Infrared equipment needs to switch different lenses to achieve focusing effect according to different shooting targets, but the lens inside the lens sometimes has water mist or dust, which affects the shooting effect. The infrared equipment lens in the prior art is mostly integrated with the lens and cannot be disassembled, which makes it inconvenient to clean the lens. Utility Model Content

[0004] 1. Technical problems to be solved by the utility model:

[0005] The utility model provides an infrared quick-install lens, which is used to solve the technical problems existing in the above-mentioned background technology.

[0006] 2. Technical solution:

[0007] To achieve the above object, the utility model provides a technical solution: an infrared quick-release lens, comprising a fixed lens barrel, a mounting sleeve is fixedly mounted on one end of the fixed lens barrel, a first thread matching the lens connection end of the infrared device is arranged on the inner wall of the mounting sleeve, and a movable lens barrel is arranged on the other end of the fixed lens barrel;

[0008] The movable lens barrel comprises an outer lens barrel and an inner lens barrel detachably mounted therein. The facing ends of the inner lens barrel and the outer lens barrel are respectively provided with a first limiting groove and a second limiting groove, and a lens is placed between the two limiting grooves.

[0009] Furthermore, the outer wall of the inner lens barrel is provided with a second thread, and the second thread matches the third thread provided on the inner wall of the outer lens barrel.

[0010] Furthermore, rubber rings are provided in the first limiting groove and the second limiting groove, and the lens is located between the two rubber rings.

[0011] Furthermore, sliding blocks are fixedly installed on both sides of the outer wall of the outer lens barrel, and the sliding blocks are slidably connected to the sliding grooves provided on the inner wall of the fixed lens barrel, and the sliding grooves extend along the axial direction of the fixed lens barrel.

[0012] Furthermore, one of the sliders is threadedly connected with a screw rod, which is rotatably installed in the slide groove and has the same extension direction as the slide groove. One end of the screw rod extends to the outside in a direction away from the mounting sleeve, and a shifting post is fixedly installed at the end.

[0013] 3. Beneficial effects:

[0014] Compared with the prior art, the technical solution provided by the utility model has the following beneficial effects: when there is dust or water mist on the lens that affects the use, the lens can be disassembled and cleaned separately;

[0015] The fixed lens barrel and the movable lens barrel can be relatively displaced, so that the overall length of the device can be controlled, thereby achieving zooming. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall axial side structure of the utility model;

[0017] Figure 2 It is a schematic diagram of the overall cutaway structure of the utility model;

[0018] Figure 3 It is a schematic diagram of the explosion structure of the movable lens barrel of the utility model.

[0019] Reference numerals:

[0020] 1. Fixed lens barrel; 11. Slide groove; 2. Mounting sleeve; 21. First thread; 3. Movable lens barrel; 31. Inner lens barrel; 311. First limiting groove; 312. Second thread; 32. Outer lens barrel; 321. Second limiting groove; 322. Third thread; 4. Lens; 5. Rubber ring; 6. Slider; 7. Screw rod; 8. Shifting post. DETAILED DESCRIPTION

[0021] To facilitate the understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thorough and comprehensive.

[0022] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "page", "bottom", "inside", "outside", "clockwise", "counterclockwise" and the like indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0023] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0024] In the present invention, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed", "provided with", etc. should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. Example

[0025] Refer to the attached Figure 1-3 An infrared quick-release lens comprises a fixed lens barrel 1, a mounting sleeve 2 is fixedly mounted on one end of the fixed lens barrel 1, a first thread 21 matching the lens connection end of the infrared device is arranged on the inner wall of the mounting sleeve 2, and a movable lens barrel 3 is arranged on the other end of the fixed lens barrel 1;

[0026] The movable lens barrel 3 comprises an outer lens barrel 32 and an inner lens barrel 31 detachably mounted therein. The inner lens barrel 31 and the outer lens barrel 32 are respectively provided with a first limiting groove 311 and a second limiting groove 321 at the facing ends thereof, and a lens 4 is placed between the two limiting grooves.

[0027] In this embodiment, after the installation sleeve 2 is connected to the infrared device lens connection end through the first thread 21, the installation of the device can be realized. Similarly, the entire device can be disassembled and replaced.

[0028] The inner lens barrel 31 can be detachably installed in the outer lens barrel 32, and the lens 4 placed between the two limiting grooves is limited and fixed. Similarly, the inner lens barrel 31 and the outer lens barrel 32 can be disassembled, and the lens 4 can be taken out for cleaning;

[0029] In summary, the device can not only realize the quick disassembly and installation of the entire lens in a simple and fast manner, but also can disassemble and clean the lens 4 separately when there is dust or water mist on the lens 4 that affects the use.

[0030] The outer wall of the inner lens barrel 31 is provided with a second thread 312 , which matches with the third thread 322 provided on the inner wall of the outer lens barrel 32 , that is, the inner lens barrel 31 and the outer lens barrel 32 are threadedly connected, and the disassembly and installation between the two are simple and quick.

[0031] Rubber rings 5 ​​are provided in the first limiting groove 311 and the second limiting groove 321 , and the lens 4 is located between the two rubber rings 5 ​​, which can prevent the lens 4 from directly abutting against the first limiting groove 311 and the second limiting groove 321 and causing damage thereto, and the rubber ring 5 can also play a buffering and protective role for the lens 4 .

[0032] Slide blocks 6 are fixedly mounted on both sides of the outer wall of the outer lens barrel 32 . The slide blocks 6 are slidably connected to the slide grooves 11 provided on the inner wall of the fixed lens barrel 1 . The slide grooves 11 extend along the axial direction of the fixed lens barrel 1 .

[0033] In this embodiment, after the outer lens barrel 32 slides in the slide groove 11 through the slider 6, the relative displacement of the fixed lens barrel 1 and the movable lens barrel 3 can be achieved, so that the overall length of the device can be controlled, thereby achieving zooming.

[0034] A screw rod 7 is threadedly connected to one of the sliders 6. The screw rod 7 is rotatably installed in the slide groove 11 and has the same extension direction as the slide groove 11. One end of the screw rod 7 extends to the outside in a direction away from the installation sleeve 2, and a shifting post 8 is fixedly installed on the end.

[0035] In this embodiment, after the finger moves the lever 8 to rotate, the screw rod 7 rotates synchronously, and the slider 6 threadedly connected thereto can slide in the slide groove 11, and the other slider 6 keeps sliding synchronously.

[0036] The above-described embodiments only express a certain implementation method of the utility model, and the description thereof is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model. Therefore, the protection scope of the patent of the utility model shall be based on the attached claims.

[0037] It should be noted that the above contents belong to the technical cognition scope of the inventor. Since the technical contents in this field are vast and too complicated, the above contents of this application do not necessarily constitute prior art.

Claims

1. An infrared quick-release lens, characterized in that: It comprises a fixed lens barrel (1), one end of which is fixedly mounted with a mounting sleeve (2), the inner wall of which is provided with a first thread (21) matching with a lens connection end of an infrared device, and the other end of which is provided with a movable lens barrel (3); The movable lens barrel (3) comprises an outer lens barrel (32) and an inner lens barrel (31) detachably mounted therein, wherein the inner lens barrel (31) and the outer lens barrel (32) are respectively provided with a first limiting groove (311) and a second limiting groove (321) at their facing ends, and a lens (4) is placed between the two limiting grooves.

2. The infrared quick-release lens according to claim 1, characterized in that: The outer wall of the inner lens barrel (31) is provided with a second thread (312), and the second thread (312) matches with a third thread (322) provided on the inner wall of the outer lens barrel (32).

3. The infrared quick-release lens according to claim 1, characterized in that: Rubber rings (5) are provided in both the first limiting groove (311) and the second limiting groove (321), and the lens (4) is located between the two rubber rings (5).

4. The infrared quick-release lens according to claim 1, characterized in that: Slide blocks (6) are fixedly mounted on both sides of the outer wall of the outer lens barrel (32), the slide blocks (6) are slidably connected to a slide groove (11) provided on the inner wall of the fixed lens barrel (1), and the slide groove (11) extends along the axial direction of the fixed lens barrel (1).

5. The infrared quick-release lens according to claim 4, characterized in that: A screw rod (7) is threadedly connected to one of the sliders (6), and the screw rod (7) is rotatably mounted in the slide groove (11) and has the same extension direction as the slide groove (11). One end of the screw rod (7) extends to the outside in a direction away from the mounting sleeve (2), and a shifting post (8) is fixedly mounted on the end thereof.

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