Multi-port polarization maintaining optical fiber splitter

Abstract

The utility model discloses a multi-port polarization-maintaining optical fiber splitter, and relates to the field of optical fiber communication devices, the multi-port polarization-maintaining optical fiber splitter comprises a polarization-maintaining optical fiber splitter main body, the front surface of the polarization-maintaining optical fiber splitter main body is fixedly connected with an output port, and the front surface of the polarization-maintaining optical fiber splitter main body is provided with a port protection mechanism. Through the elastic force of the elastic piece in the initial state, thrust can be applied to the clamping blocks, the two clamping blocks are promoted to be closed on the front face of the output port, an opening in the front face of the output port is closed, the dustproof protection function on the output port is achieved, the service life of the output port is prolonged, and when a plug is connected to the output port, the plug is not prone to falling off. When the plug is connected, the clamping block needs to be pulled in advance to open the output port, meanwhile, the elastic piece is compressed, after the plug is connected, the clamping block can be driven to be tightly attached to the side face of the plug through the reset elastic force of the elastic piece, and therefore the stability of the connecting position of the plug and the output port can be improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of optical fiber communication devices, in particular to a multi-port polarization maintaining optical fiber splitter. BACKGROUND

[0002] The multi-port polarization maintaining optical fiber splitter is a passive device that uses polarization maintaining optical fiber technology to achieve efficient distribution of optical signals. It can strictly maintain the polarization state stability of optical signals while distributing input light to multiple output ports in proportion. It is designed through planar waveguide or fusion taper process, with characteristics such as high extinction ratio, low loss and channel consistency, and is widely used in optical fiber communication, optical sensing, quantum communication and precision optical testing, effectively solving the signal distortion problem in polarization-sensitive scenarios, and optimizing system cost and deployment efficiency through multi-port light splitting.

[0003] A plurality of output ports are provided on the multi-port polarization maintaining optical fiber splitter. The output ports of the existing splitter are mostly open structures. In the idle process of the output ports, dust in the air is easy to enter the inside of the output ports. The dust will interfere with the normal operation of the output ports and affect the service life of the output ports. CONTENT OF THE UTILITY MODEL

[0004] In order to solve the problem that dust in the air easily enters the inside of the output port in the idle process of the output port, the present application provides a multi-port polarization maintaining optical fiber splitter.

[0005] The multi-port polarization maintaining optical fiber splitter provided by the present application adopts the following technical scheme:

[0006] The multi-port polarization maintaining optical fiber splitter comprises a polarization maintaining optical fiber splitter body, an output port fixedly connected to the front surface of the polarization maintaining optical fiber splitter body, a port protection mechanism provided on the front surface of the polarization maintaining optical fiber splitter body, and a convenient maintenance mechanism provided on the polarization maintaining optical fiber splitter body.

[0007] Preferably, the end of the sliding rod is fixedly connected to a limiting gasket, the side surface of the limiting gasket is movably connected to the side surface of the side support arm, and the end of the sliding rod away from the limiting gasket is fixedly connected to a clamping block.

[0008] Preferably, the outer wall of the clamping block is fixedly connected to a handle, the outer wall of the clamping block is fixedly connected to an elastic member, and the end of the elastic member away from the clamping block is fixedly connected to the side surface of the side support arm.

[0009] Preferably, the convenient maintenance mechanism comprises a protruding block fixedly installed on the side surface of the polarization maintaining fiber splitter body, a rotating shaft member rotatably connected to the inner wall of the protruding block, a left cover plate fixedly installed on the end of the rotating shaft member on the left side, and a right cover plate fixedly installed on the end of the rotating shaft member on the right side.

[0010] Preferably, the back surface of the left cover plate is fixedly connected with a cooling fan, the back surface of the cooling fan is detachably connected with a dustproof screen, and the inner wall of the right cover plate is fixedly installed with a strip-shaped screen.

[0011] Preferably, the back surface of the left cover plate and the back surface of the right cover plate are both fixedly installed with a handle, and the inner wall of the left cover plate and the inner wall of the right cover plate are both fixedly installed with a movable magnetic attraction member.

[0012] Preferably, the convenient maintenance mechanism further comprises a partition plate fixedly installed on the inner wall of the polarization maintaining fiber splitter body, a support sleeve fixedly installed on the side surface of the partition plate, a fixed magnetic attraction member fixedly installed on the inner wall of the support sleeve, reinforcing feet fixedly connected to the top and bottom of the partition plate, and a strip-shaped slot formed on the front surface of the partition plate.

[0013] To sum up, the present application has at least one of the following beneficial technical effects:

[0014] By the elastic force of the elastic member in the initial state, a pushing force can be applied to the clamping blocks to promote the two clamping blocks to close on the front surface of the output port, to close the opening on the front surface of the output port, to realize the dustproof protection function of the output port, to prolong the service life of the output port, and to pull the clamping blocks in advance when the plug is connected to the output port to open the output port, and at the same time, the elastic member is compressed. After the plug is connected, the reset elastic force of the elastic member can drive the clamping blocks to tightly adhere to the side surface of the plug, thereby increasing the stability of the connection between the plug and the output port. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a whole structure schematic view of the multi-port polarization maintaining fiber splitter of the embodiment of the present application.

[0016] Figure 2 It is a schematic view of the embodiment of the present application mainly embodying the port protection mechanism structure.

[0017] Figure 3 It is a schematic view of the embodiment of the present application mainly embodying the convenient maintenance mechanism structure.

[0018] Figure 4 It is a schematic view of the embodiment of the present application mainly embodying the left cover plate structure.

[0019] Figure 5 It is a schematic view of the embodiment of the present application mainly embodying the partition plate structure.

[0020] Fig. 1 is a polarization maintaining optical fiber splitter body; 11, output port; 2, port protection mechanism; 21, side support arm; 22, lightening slot; 23, slide bar; 24, limiting gasket; 25, elastic member; 26, clamping block; 27, handle; 3, convenient maintenance mechanism; 31, protruding block; 32, rotating shaft; 33, left cover plate; 331, cooling fan; 332, dust screen; 34, right cover plate; 341, strip screen; 35, grip; 36, movable magnetic attraction member; 37, partition; 371, support sleeve; 372, fixed magnetic attraction member; 373, reinforcing foot; 374, strip slot. DETAILED DESCRIPTION

[0021] The following will be described in detail in combination with the accompanying drawings Figures 1-5 The application is further described in detail.

[0022] The embodiment of the application discloses a multi-port polarization maintaining optical fiber splitter.

[0023] Embodiment 1

[0024] Referring to Figures 1-5 , the multi-port polarization maintaining optical fiber splitter comprises a polarization maintaining optical fiber splitter body 1, the front surface of the polarization maintaining optical fiber splitter body 1 is fixedly connected with an output port 11, the front surface of the polarization maintaining optical fiber splitter body 1 is provided with a port protection mechanism 2, and the polarization maintaining optical fiber splitter body 1 is provided with a convenient maintenance mechanism 3.

[0025] Referring to Figure 1 , Figure 2The port protection mechanism 2 comprises a side support arm 21 fixedly installed on the front face of the polarization maintaining optical fiber splitter main body 1, a weight reduction groove 22 is formed on the side face of the side support arm 21, a sliding rod 23 is slidingly connected to the inner wall of the side support arm 21, a limiting washer 24 is fixedly connected to the end of the sliding rod 23, the side face of the limiting washer 24 is movably connected to the side face of the side support arm 21, a clamping block 26 is fixedly connected to the end of the sliding rod 23 away from the limiting washer 24, a handle 27 is fixedly connected to the outer wall of the clamping block 26, an elastic element 25 is fixedly connected to the outer wall of the clamping block 26, one end of the elastic element 25 away from the clamping block 26 is fixedly connected to the side face of the side support arm 21, the elastic element 25 can apply a pushing force to the clamping block 26 under the initial state of the elastic element 25, so as to maintain the state that the two clamping blocks 26 are closed on the front face of the output port 11, the opening on the front face of the output port 11 is closed, the function of dustproof protection of the output port 11 is realized, the problem that dust in the air easily invades the inside of the output port 11 in the idle process is avoided, if it is necessary to connect a plug on the output port 11, the clamping block 26 is pulled from the handle 27 in advance, so that the clamping block 26 is withdrawn from the front face of the output port 11 to open the output port 11, the clamping block 26 is compressed when it is moved to open, after the plug is connected, the handle 27 can be released, the clamping block 26 can be tightly attached to the side face of the plug under the reset elastic force of the elastic element 25, the stability of the connection between the plug and the output port 11 is increased, and the transmission effect of the structure is increased.

[0026] Referring to Figure 3 , Figure 4 , Figure 5The convenient maintenance mechanism 3 comprises a protruding block 31 fixedly installed on the side surface of the polarization maintaining optical fiber splitter body 1, a rotating shaft piece 32 rotatably connected to the inner wall of the protruding block 31, a left cover plate 33 fixedly installed at the end of the rotating shaft piece 32 on the left side, a right cover plate 34 fixedly installed at the end of the rotating shaft piece 32 on the right side, a cooling fan 331 fixedly connected to the back surface of the left cover plate 33, a dust screen 332 detachably connected to the back surface of the cooling fan 331, a strip-shaped screen 341 fixedly installed on the inner wall of the right cover plate 34, a handle 35 fixedly installed on the back surface of the left cover plate 33 and the right cover plate 34, a movable magnetic attraction piece 36 fixedly installed on the inner wall of the left cover plate 33 and the right cover plate 34, and the convenient maintenance mechanism 3 further comprises a partition plate 37 fixedly installed on the inner wall of the polarization maintaining optical fiber splitter body 1, a support sleeve 371 fixedly installed on the side surface of the partition plate 37, a fixed magnetic attraction piece 372 fixedly installed on the inner wall of the support sleeve 371, a reinforcing foot 373 fixedly connected to the top and bottom of the partition plate 37, and a strip-shaped slot 374 formed in the front surface of the partition plate 37.

[0027] The implementation principle of the multi-port polarization-maintaining optical fiber splitter of the embodiment of the application is as follows: when in use, in the initial state, the elastic member 25 can exert a pushing force on the clamping blocks 26 to maintain the state that the two clamping blocks 26 are closed on the front face of the output port 11, and the opening on the front face of the output port 11 is closed, thereby realizing the function of dustproof protection of the output port 11; if it is necessary to connect a plug on the output port 11, the clamping blocks 26 are pulled from the handle 27 in advance, so that the clamping blocks 26 are withdrawn from the front face of the output port 11; after the plug is connected, the handle 27 can be released, and the reset elastic force of the elastic member 25 can drive the clamping blocks 26 to tightly adhere to the side face of the plug, thereby increasing the stability of the connection between the plug and the output port 11; in the use process of the polarization-maintaining optical fiber splitter main body 1, the cooling fan 331 is controlled to work, absorbs the air filtered by the dust screen 332, and delivers the air to the inside of the polarization-maintaining optical fiber splitter main body 1; the air flows on the left side of the partition plate 37, then passes through the strip-shaped groove 374 to flow on the right side of the partition plate 37, and then passes through the strip-shaped net 341 to be discharged, thereby realizing the function of heat dissipation protection of the internal devices of the polarization-maintaining optical fiber splitter main body 1; and in the maintenance process, the user can rotate the left cover plate 33 or the right cover plate 34 on the back face of the polarization-maintaining optical fiber splitter main body 1 to open, and then the maintenance work can be performed.

[0028] The above are preferred embodiments of the application, and do not limit the protection scope of the application; therefore, equivalent changes made on the basis of the structure, shape, principle of the application should be covered within the protection scope of the application.

Claims

1. A multi-port polarization maintaining optical fiber splitter, characterized by: Including polarization maintaining optical fiber splitter body (1), the front of the polarization maintaining optical fiber splitter body (1) is fixedly connected with an output port (11), the front of the polarization maintaining optical fiber splitter body (1) is provided with a port protection mechanism (2), and the polarization maintaining optical fiber splitter body (1) is provided with a convenient maintenance mechanism (3); The port protection mechanism (2) includes a side support arm (21), the side support arm (21) is fixedly installed on the front of the polarization maintaining optical fiber splitter body (1), the side surface of the side support arm (21) is provided with a lightening groove (22), and the inner wall of the side support arm (21) is slidably connected with a slide rod (23).

2. The multi-port polarization maintaining optical fiber splitter of claim 1, wherein: The end of the slide rod (23) is fixedly connected with a limiting washer (24), the side surface of the limiting washer (24) is movably connected with the side surface of the side support arm (21), and the end of the slide rod (23) away from the limiting washer (24) is fixedly connected with a clamping block (26).

3. The multi-port polarization maintaining optical fiber splitter of claim 2, wherein: The outer wall of the clamping block (26) is fixedly connected with a handle (27), the outer wall of the clamping block (26) is fixedly connected with an elastic element (25), and one end of the elastic element (25) away from the clamping block (26) is fixedly connected with the side surface of the side support arm (21).

4. The multi-port polarization maintaining optical fiber splitter of claim 1, wherein: The convenient maintenance mechanism (3) includes a protruding block (31), the protruding block (31) is fixedly installed on the side surface of the polarization maintaining optical fiber splitter body (1), the inner wall of the protruding block (31) is rotatably connected with a rotating shaft element (32), the end of the rotating shaft element (32) on the left side is fixedly installed with a left cover plate (33), and the end of the rotating shaft element (32) on the right side is fixedly installed with a right cover plate (34).

5. The multi-port polarization maintaining optical fiber splitter of claim 4, wherein: The back of the left cover plate (33) is fixedly connected with a cooling fan (331), the back of the cooling fan (331) is detachably connected with a dust screen (332), and the inner wall of the right cover plate (34) is fixedly installed with a strip-shaped screen (341).

6. The multi-port polarization maintaining optical fiber splitter of claim 5, wherein: The back of the left cover plate (33) and the right cover plate (34) is fixedly installed with a handle (35), and the inner wall of the left cover plate (33) and the right cover plate (34) is fixedly installed with a movable magnetic attraction element (36).

7. The multi-port polarization maintaining optical fiber splitter of claim 6, wherein: The convenient maintenance mechanism (3) further includes a partition plate (37), the partition plate (37) is fixedly installed on the inner wall of the polarization maintaining optical fiber splitter body (1), the side surface of the partition plate (37) is fixedly installed with a supporting sleeve (371), the inner wall of the supporting sleeve (371) is fixedly installed with a fixed magnetic attraction element (372), the top and bottom of the partition plate (37) are fixedly connected with a reinforcing foot (373), and the front of the partition plate (37) is provided with a strip-shaped groove (374).

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