Optical filter structure

Abstract

The utility model relates to the technical field of optical fiber network transmission, and discloses an optical filter structure, a butt joint device is composed of a rotating ring, a connecting rod, a limiting block, a fixed block, an arc-shaped rod, a first sliding block, a first spring, a moving ring, a second spring, a second sliding block and a fixed rod, the connecting rod is fixedly mounted on the side face of the rotating ring, the limiting block is fixedly mounted on the side face of the connecting rod, the fixing block is fixedly mounted on the surface of the rotating ring, the arc-shaped rod is fixedly mounted on the side face of the fixing block, and the first sliding block is slidably mounted in the second socket. And the first spring is fixedly mounted in the second socket. According to the optical filter structure, by rotating the fixing block, inserting the limiting block into the annular groove in the side face of the first socket through the moving groove and loosening the fixing block, stable butt joint of the first socket and the second socket can be kept, and the optical filter structure is convenient to disassemble and assemble and high in practicability.

Description

Technical Field

[0001] The utility model relates to the technical field of optical fiber network transmission, in particular to an optical filter structure. Background Art

[0002] Optical filter is an instrument used for wavelength selection. It can select the required wavelength from a large number of wavelengths, and light other than this wavelength will be rejected. It can be used for wavelength selection, noise filtering of optical amplifiers, and gain equalization.

[0003] The patent with application number 201922300032.4 discloses an optical filter plug-in structure, which includes a first socket and a second socket, the first socket is plugged into the second socket and forms an axial optical fiber channel inside; the first socket is provided with a clamping piece of the optical filter core and a snap-fitting groove that snaps with the second socket; the second socket is provided with an elastic buckle that diverges in a direction perpendicular to the axial direction and a threaded sleeve that locks with the outer shell of the first socket, and the elastic buckle cooperates with the snap-fitting groove; a spring is provided on the optical fiber channel, the spring is sleeved on the optical filter core, and one end of the spring touches the first socket and the other end touches the second socket.

[0004] The optical filter plug-in structure is scientifically and reasonably designed. It not only achieves simple and quick installation and plug-in, but also avoids the influence of vibration, sound waves and bending. It has high reliability, stable operation and more stable data transmission. However, there are still some areas that can be improved. For example, the first socket and the second socket of the device are difficult to separate after being connected together, and the practicality is poor, which cannot meet current needs. Utility Model Content

[0005] The purpose of the utility model is to provide an optical filter structure to solve the problems raised in the above background technology.

[0006] To achieve the above objectives, the utility model provides the following technical solutions: an optical filter structure, comprising a first socket, a second socket, and a docking device, wherein the second socket is arranged on the side of the first socket, and the docking device is arranged inside the second socket.

[0007] The docking device consists of a rotating ring, a connecting rod, a limit block, a fixed block, an arc rod, a first slider, a first spring, a movable ring, a second spring, a second slider, and a fixed rod. The rotating ring is rotatably installed inside the second socket, the connecting rod is fixedly installed on the side of the rotating ring, the limit block is fixedly installed on the side of the connecting rod, the fixed block is fixedly installed on the surface of the rotating ring, the arc rod is fixedly installed on the side of the fixed block, the first slider is slidably installed inside the second socket, the first spring is fixedly installed inside the second socket, the movable ring is slidably installed inside the first socket, the second spring is fixedly installed inside the first socket, the second slider is slidably installed inside the first socket, and the fixed rod is fixedly installed on the side of the movable ring.

[0008] Preferably, the surface of the second socket is provided with a first arc groove matching the fixed block, one end of the first slider is connected to the arc rod, and the other end of the first slider is connected to the first spring. The first arc groove is provided to facilitate the rotation of the fixed block on the surface of the second socket, and the first spring is provided for resetting the first slider.

[0009] Preferably, a second arc-shaped groove matching the connecting rod is formed on the side of the second socket, and this arrangement facilitates the connecting rod to rotate on the side of the second socket.

[0010] Preferably, a third arc groove matching with the connecting rod is provided on the side of the first socket, a movable groove matching with the limit block is provided on the side of the first socket, an annular groove matching with the movable ring is provided inside the first socket, and the third arc groove is connected with the movable groove and the annular groove. The third arc groove is provided to facilitate the rotation of the connecting rod on the side of the first socket, the movable groove is provided to facilitate the movement of the limit block on the side of the first socket, and the annular groove is provided to facilitate the movement of the movable ring inside the first socket.

[0011] Preferably, one end of the second slider is connected to the second spring, and the other end of the second slider is connected to the fixing rod, and a second spring is provided for resetting the second slider.

[0012] Preferably, the connecting rods and the limiting blocks are arranged in a group and are distributed in a circular array on the side of the rotating ring. A plurality of groups of such components are provided to better enable the first socket and the second socket to dock.

[0013] Preferably, the second spring, the second slider and the fixing rod are all grouped together and distributed on the side of the moving ring in a circular array. A plurality of groups of such components are provided to better enable the moving ring to move.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the optical filter structure can rotate the fixed block, insert the limit block into the annular groove on the side of the first socket through the movable groove, and loosen the fixed block to maintain the stability of the docking between the first socket and the second socket, and the disassembly and assembly are convenient and practical. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the internal structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the structure of the connecting rod, the limiting block and the fixing block of the utility model;

[0018] Figure 4 This is a schematic diagram of the structure of the arc rod, the first slider and the first spring of the utility model;

[0019] Figure 5 This is a schematic diagram of the overall structure of the first socket of the utility model;

[0020] Figure 6 This is a schematic diagram of the structure of the first socket and the movable ring of the utility model;

[0021] Figure 7 It is a schematic diagram of the structure of the second spring, the second sliding block and the fixing rod of the utility model.

[0022] In the figure: 1, first socket; 2, second socket; 3, docking device; 301, rotating ring; 302, connecting rod; 303, limit block; 304, fixed block; 305, arc rod; 306, first slider; 307, first spring; 308, moving ring; 309, second spring; 310, second slider; 311, fixed rod. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-7 The utility model provides a technical solution: an optical filter structure, including a first socket 1, a second socket 2, and a docking device 3, the second socket 2 is arranged on the side of the first socket 1, and the docking device 3 is arranged inside the second socket 2.

[0025] The docking device 3 is composed of a rotating ring 301, a connecting rod 302, a limit block 303, a fixed block 304, an arc rod 305, a first slider 306, a first spring 307, a movable ring 308, a second spring 309, a second slider 310, and a fixed rod 311. The rotating ring 301 is rotatably installed inside the second socket 2, the connecting rod 302 is fixedly installed on the side of the rotating ring 301, and a second arc groove matching the connecting rod 302 is provided on the side of the second socket 2. This arrangement facilitates the connecting rod 302 to rotate on the side of the second socket 2. The limit block 303 is fixedly installed on the side of the connecting rod 302. The connecting rod 302 and the limit block 303 are both one. A group is distributed in a circular array on the side of the rotating ring 301. A plurality of groups of the components are provided to better enable the first socket 1 and the second socket 2 to dock. The fixed block 304 is fixedly installed on the surface of the rotating ring 301. The arc rod 305 is fixedly installed on the side of the fixed block 304. The first slider 306 is slidably installed inside the second socket 2. The first spring 307 is fixedly installed inside the second socket 2. The surface of the second socket 2 is provided with a first arc groove matching the fixed block 304. One end of the first slider 306 is connected to the arc rod 305, and the other end of the first slider 306 is connected to the first spring 307. The first arc groove is provided to facilitate the fixed block 304 to be in the second The surface of the socket 2 is rotated, and a first spring 307 is provided for resetting the first slider 306. The movable ring 308 is slidably installed inside the first socket 1. A third arc groove matching the connecting rod 302 is provided on the side of the first socket 1. A movable groove matching the limit block 303 is provided on the side of the first socket 1. An annular groove matching the movable ring 308 is provided inside the first socket 1, and the third arc groove is connected with the movable groove and the annular groove. The third arc groove is provided to facilitate the rotation of the connecting rod 302 on the side of the first socket 1, the movable groove is provided to facilitate the movement of the limit block 303 on the side of the first socket 1, and the annular groove is provided to facilitate the movement. The ring 308 moves inside the first socket 1, the second spring 309 is fixedly installed inside the first socket 1, the second slider 310 is slidably installed inside the first socket 1, and the fixing rod 311 is fixedly installed on the side of the moving ring 308. One end of the second slider 310 is connected to the second spring 309, and the other end of the second slider 310 is connected to the fixing rod 311. The second spring 309 is provided for resetting the second slider 310. The second spring 309, the second slider 310 and the fixing rod 311 are all grouped together and distributed in a circular array on the side of the moving ring 308. A plurality of groups of such components are provided to better enable the moving ring 308 to move.

[0026] When in use, the fixed block 304 is rotated to rotate the rotating ring 301, which squeezes the first spring 307, so that the connecting rod 302 drives the limit block 303 to rotate in the second arc groove on the side of the second socket 2, and the limit block 303 is inserted into the annular groove on the side of the first socket 1 through the movable groove, and the fixed block 304 is loosened. Under the action of the first spring 307, the rotating ring 301 is reset, so that the connecting rod 302 can rotate in the third arc groove on the side of the first socket 1, and at the same time, it can drive the limit block 303 to rotate in the annular groove. Under the action of the second spring 309, the movable ring 308 can abut against the side of the limit block 303 to maintain the stability of the docking between the first socket 1 and the second socket 2.

[0027] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0028] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that many changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention.

Claims

1. An optical filter structure, comprising a first socket (1), a second socket (2), and a docking device (3), characterized in that: The second socket (2) is arranged on a side of the first socket (1), and the docking device (3) is arranged inside the second socket (2); The docking device (3) comprises a rotating ring (301), a connecting rod (302), a limiting block (303), a fixed block (304), an arc rod (305), a first slider (306), a first spring (307), a movable ring (308), a second spring (309), a second slider (310), and a fixed rod (311); the rotating ring (301) is rotatably mounted inside the second socket (2); the connecting rod (302) is fixedly mounted on a side of the rotating ring (301); the limiting block (303) is fixedly mounted on a side of the connecting rod (302); and the fixed block (304) is The first slider (306) is slidably mounted inside the second socket (2), the first spring (307) is fixedly mounted inside the second socket (2), the movable ring (308) is slidably mounted inside the first socket (1), the second spring (309) is fixedly mounted inside the first socket (1), the second slider (310) is slidably mounted inside the first socket (1), and the fixed rod (311) is fixedly mounted on the side of the movable ring (308).

2. An optical filter structure according to claim 1, characterized in that: A first arc-shaped groove matching the fixed block (304) is provided on the surface of the second socket (2); one end of the first slider (306) is connected to the arc-shaped rod (305); and the other end of the first slider (306) is connected to the first spring (307).

3. An optical filter structure according to claim 1, characterized in that: A second arc-shaped groove matching the connecting rod (302) is provided on the side surface of the second socket (2).

4. An optical filter structure according to claim 1, characterized in that: A third arc groove matching the connecting rod (302) is provided on the side of the first socket (1), a movable groove matching the limit block (303) is provided on the side of the first socket (1), an annular groove matching the movable ring (308) is provided inside the first socket (1), and the third arc groove is connected to the movable groove and the annular groove.

5. An optical filter structure according to claim 1, characterized in that: One end of the second sliding block (310) is connected to the second spring (309), and the other end of the second sliding block (310) is connected to the fixing rod (311).

6. An optical filter structure according to claim 1, characterized in that: The connecting rods (302) and the limiting blocks (303) are arranged in a group and are distributed on the side of the rotating ring (301) in a circular array.

7. An optical filter structure according to claim 1, characterized in that: The second spring (309), the second slider (310) and the fixing rod (311) are all grouped together and are distributed on the side of the moving ring (308) in a circular array.

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