Optical fiber head with protection structure

Abstract

The utility model discloses an optical fiber head with a protection structure, relates to the field of optical fibers, and provides the following scheme aiming at the problems that the existing optical fiber head is relatively unstable when being installed, is likely to be loosened due to collision and the like, the optical fiber head comprises an optical fiber head body and a cold connector shell, a dustproof cap is arranged on the outer side of the optical fiber head body, and a protective cover is arranged on the outer side of the cold connector shell. A switch sleeve buckle is arranged on the cold connector shell, a shell sheath is arranged on the outer side of the cold connector shell, a fixing mechanism is arranged at the bottom of the cold connector shell, a tail sleeve is arranged at the bottom of the fixing mechanism, and the tail sleeve is connected with the fixing mechanism. According to the utility model, the structure is novel, the optical fiber cable is fixed through the pressing ring on the inner sides of the fixing part and the fixing arc plate, and the bottoms of the fixing part and the fixing arc plate are attached to the limiting table, so that the device can be precisely attached after being operated, the looseness during use is avoided, the cold connector and a plurality of structures on the cold connector shell are protected through the shell sheath, and the service life of the cold connector is prolonged. Therefore, the optical fiber head is effectively protected.

Description

Technical Field

[0001] The utility model relates to the field of optical fibers, in particular to an optical fiber head with a protective structure. Background Art

[0002] The fiber optic interface is a physical interface used to connect fiber optic cables. There are usually several types such as SC, ST, and FC. The SC interface is commonly used in life. The shell is rectangular, and the structure and dimensions of the pin and coupling sleeve are exactly the same as the FC type. The end face of the pin is mostly ground with PC or APC properties; the fastening method is a plug-in latch type, without rotation. SC also has a 2.5 mm ferrule. Unlike ST / FC, it is a plug-in device and is widely used because of its excellent performance.

[0003] Since the optical fiber head is relatively small, it is often accidentally bumped when it is placed. The existing installation of the optical fiber head is also relatively unstable, and bumping may cause it to become loose. Utility Model Content

[0004] The utility model provides an optical fiber head with a protective structure, which solves the existing problems.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A fiber optic head with a protective structure comprises a fiber optic head body and a cold connector shell. A dust cap is arranged on the outside of the fiber optic head body to protect the fiber optic head body. A switch buckle is arranged on the cold connector shell. A shell sheath is arranged on the outside of the cold connector shell to protect the cold connector. A fixing mechanism is arranged at the bottom of the cold connector shell to fix the optical fiber line connected to the cold connector. A tail sleeve is arranged at the bottom of the fixing mechanism to connect the tail sleeve to the fixing mechanism.

[0007] As a further solution of the utility model, the fixing mechanism includes a fixing member and a fixing arc plate, the fixing member is connected to the bottom of the cold connector shell, an opening is provided on the outside of the fixing member, and a clamping ring is provided on the inside of the fixing member and the fixing arc plate.

[0008] As a further solution of the utility model, a rotating tube is provided on one side of the bottom of the fixing member, and a rotating rod is provided on one side of the fixed arc plate, and the rotating rod is movably connected to the rotating tube.

[0009] As a further solution of the utility model, a connecting port is provided on the other side of the fixing member, and a connecting bolt is provided on the other side of the fixing arc plate, and the connecting bolt is connected to the connecting port.

[0010] As a further solution of the utility model, a thread strip is arranged above the fixing piece, a thread groove is arranged above the tail sleeve, and the thread strip is threadedly connected to the thread groove.

[0011] As a further solution of the utility model, a limiting platform is provided at the inner bottom of the tail sleeve, and the fixing member and the bottom of the fixed arc plate are attached to the limiting platform.

[0012] The beneficial effects of the utility model are:

[0013] 1. The fiber optic head body is protected by a dust cap to prevent dust from forming on the fiber optic head. The cold connector and multiple structures on the cold connector shell are protected by the shell sheath. The dust cap can be removed during testing or use.

[0014] 2. When connecting the optical fiber to the cold connector, you can observe through the opening to reduce the possibility of mistakes. After the optical fiber is installed, turn it to the fixing part through the fixing arc plate, connect the connecting port with the connecting bolt, and then fix the optical fiber through the fixing part and the clamping ring on the inner side of the fixing arc plate. The clamping ring is made of rubber to avoid damaging the optical fiber.

[0015] 3. After the optical fiber is fixed, screw the tail sleeve onto the fixing part to fix the arc plate and the internal optical fiber. Stick the fixing part and the bottom of the arc plate to the limit table so that the device can fit precisely after operation to avoid looseness during use.

[0016] In summary, the optical fiber is fixed by the fixing part and the clamping ring on the inner side of the fixing arc plate, and the fixing part and the bottom of the fixing arc plate are attached to the limit table, so that the device can be precisely fitted after operation to avoid looseness during use, and the cold connector and multiple structures on the cold connector shell are protected by the shell sheath, thereby effectively protecting the optical fiber head. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the main structure of the utility model.

[0018] Figure 2 It is a schematic diagram of dismantling the protective structure of the utility model.

[0019] Figure 3 It is a schematic diagram of the fixing mechanism of the utility model.

[0020] Figure 4 It is a schematic diagram of the tail sleeve structure of the utility model.

[0021] Numbers in the figure: 1. Fiber optic head body; 11. Cold connector housing; 12. Switch buckle; 13. Housing sheath; 14. Dust cap; 2. Fixing piece; 21. Threaded strip; 22. Rotating tube; 23. Connecting port; 24. Opening; 3. Fixed arc plate; 31. Clamping ring; 32. Rotating rod; 33. Connecting bolt; 4. Tail sleeve; 41. Threaded groove; 42. Limiting platform. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0023] Reference Figure 1-Figure 4 A fiber optic head with a protective structure includes a fiber optic head body 1 and a cold connector shell 11. The fiber optic head body 1 is used as the main body of the fiber optic head for connecting an optical modem and a fiber optic transceiver. The cold connector shell 11 is provided with a cold connector inside for connecting an optical fiber line. A dust cap 14 is provided on the outside of the fiber optic head body 1 to protect the fiber optic head body 1 and to prevent dust from entering the fiber optic head. A switch buckle 12 is provided on the cold connector shell 11 to fix the cold connector when it is connected to the optical fiber line. A shell sheath 13 is provided on the outside of the cold connector shell 11 to slide into the cold connector shell 11 to protect the cold connector and multiple structures on the cold connector shell 11.

[0024] A fixing mechanism is provided at the bottom of the cold connector housing 11, and the fixing mechanism is used to fix the optical fiber connected to the cold connector. The fixing mechanism includes a fixing member 2 and a fixing arc plate 3. A clamping ring 31 is provided on the inner side of the fixing member 2 and the fixing arc plate 3. The fixing member 2 is connected to the bottom of the cold connector housing 11. A rotating tube 22 is provided on one side of the bottom of the fixing member 2. A rotating rod 32 is provided on one side of the fixing arc plate 3. The rotating rod 32 is movably connected to the rotating tube 22, so that the fixing arc plate 3 can rotate on the fixing member 2. By rotating the fixing arc plate 3 to the outside of the fixing member 2, In order to facilitate the operation of the optical fiber line, an opening 24 is provided on the outer side of the fixing part 2. When the optical fiber line is connected to the cold connector, it can be observed through the opening 24, thereby reducing the possibility of mistakes. A connecting port 23 is provided on the other side of the fixing part 2, and a connecting bolt 33 is provided on the other side of the fixed arc plate 3. The fixed arc plate 3 is rotated to the fixing part 2, and the connecting bolt 33 is connected to the connecting port 23. Then, the optical fiber line is fixed by the clamping ring 31 on the inner side of the fixing part 2 and the fixed arc plate 3. The clamping ring 31 is made of rubber to avoid damaging the optical fiber line.

[0025] A tail sleeve 4 is provided at the bottom of the fixing mechanism, and the tail sleeve 4 is connected to the fixing mechanism. A threaded strip 21 is provided above the fixing part 2, and a threaded groove 41 is provided above the tail sleeve 4. The threaded strip 21 is threadedly connected with the threaded groove 41, so that after the optical fiber is fixed, the tail sleeve 4 is screwed on the fixing part 2, so as to fix the fixed arc plate 3 and the internal optical fiber. A limiting platform 42 is provided at the bottom of the inner side of the tail sleeve 4, and the fixing part 2 and the bottom of the fixed arc plate 3 are attached to the limiting platform 42, so that the device can be precisely fitted after operation to avoid loosening during use.

[0026] Working principle: When in use, insert the tail sleeve 4 into the optical fiber line in advance, perform the required operation on the optical fiber line, and after the optical fiber line is cut, align the front end of the optical fiber line with the cold connector inside the cold connector shell 11, and observe it through the opening 24 to reduce errors. After insertion, fix it through the switch buckle 12, turn the fixed arc plate 3 to the fixing part 2, connect the connecting bolt 33 to the connecting port 23, and then fix the optical fiber line through the fixing part 2 and the clamping ring 31 on the inner side of the fixed arc plate 3, and then slide the pre-inserted tail sleeve 4 onto the fixing part 2, and thread the threaded connection between the threaded strip 21 and the threaded groove 41, and screw the tail sleeve 4 on the fixing part 2, so as to fix the fixed arc plate 3 and the internal optical fiber line, protect the optical fiber head body 1 through the dust cap 14, and protect the cold connector and multiple structures on the cold connector shell 11 through the shell sheath 13. When testing or using, the dust cap 14 can be removed.

[0027] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. An optical fiber head with a protective structure, comprising an optical fiber head body (1) and a cold connector housing (11), characterized in that: A dust cap (14) is arranged on the outside of the optical fiber head body (1), and the dust cap (14) protects the optical fiber head body (1); a switch buckle (12) is arranged on the cold connector shell (11); a shell sheath (13) is arranged on the outside of the cold connector shell (11), and the shell sheath (13) protects the cold connector; a fixing mechanism is arranged at the bottom of the cold connector shell (11), and the fixing mechanism is used to fix the optical fiber line connected to the cold connector; a tail sleeve (4) is arranged at the bottom of the fixing mechanism, and the tail sleeve (4) is connected to the fixing mechanism.

2. The optical fiber head with a protective structure according to claim 1, characterized in that: The fixing mechanism comprises a fixing part (2) and a fixing arc plate (3); the fixing part (2) is connected to the bottom of the cold connector shell (11); an opening (24) is arranged on the outside of the fixing part (2); and a clamping ring (31) is arranged on the inside of the fixing part (2) and the fixing arc plate (3).

3. The optical fiber head with a protective structure according to claim 2, characterized in that: A rotating tube (22) is provided on one side of the bottom of the fixing member (2), and a rotating rod (32) is provided on one side of the fixing arc plate (3), wherein the rotating rod (32) is movably connected to the rotating tube (22).

4. The optical fiber head with a protective structure according to claim 2, characterized in that: A connection port (23) is provided on the other side of the fixing member (2), and a connection bolt (33) is provided on the other side of the fixing arc plate (3), wherein the connection bolt (33) is connected to the connection port (23).

5. The optical fiber head with a protective structure according to claim 2, characterized in that: A thread strip (21) is arranged above the fixing member (2), a thread groove (41) is arranged above the tail sleeve (4), and the thread strip (21) and the thread groove (41) are threadedly connected.

6. The optical fiber head with a protective structure according to claim 2, characterized in that: A limiting platform (42) is provided at the inner bottom of the tail sleeve (4), and the bottoms of the fixing member (2) and the fixing arc plate (3) are attached to the limiting platform (42).

Images