Transmission and reflection high-isolation wavelength division multiplexer

By designing a transmission component and spring structure in the wavelength division multiplexer, slight compression of the optical fiber is achieved, solving the problem of fiber bending caused by frequent insertion and removal and vibration, and ensuring stable transmission of optical signals.

CN223857441UActive Publication Date: 2026-01-30YANCHENG JIANXING COMM TECH CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202520537467.3
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-26
Publication Date
2026-01-30
Estimated Expiration
2035-03-26

AI Technical Summary

Technical Problem

In wavelength division multiplexers, optical fibers can be bent due to frequent insertion and removal and external vibrations, leading to optical signal loss and interruption, which affects normal operation.

Method used

A high-isolation wavelength division multiplexer for transmission and reflection was designed. By using the sliding connection of the transmission component and the spring structure, the optical fiber is slightly compressed to avoid bending.

Benefits of technology

This effectively prevents optical fibers from bending during equipment movement and vibration, ensuring stable transmission of optical signals and reducing losses and the risk of interruption.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN223857441U_ABST
    Figure CN223857441U_ABST
Patent Text Reader

Abstract

The utility model discloses a transmission and reflection high-isolation wavelength division multiplexer, which relates to the technical field of optical fibers and comprises a wavelength division multiplexer body and a transmission assembly, the transmission assembly is arranged in the wavelength division multiplexer body and comprises a second built-in plate slidably connected in the wavelength division multiplexer body, and the second built-in plate is arranged in the wavelength division multiplexer body. A second transmission block is slidably connected to the second built-in plate, an inclined hole is formed in the second transmission block, a fourth transmission rod is slidably connected to the inclined hole in the second transmission block, a fifth transmission rod is fixedly connected to the fourth transmission rod, a transmission disc is slidably connected to the fifth transmission rod, and a rotary disc is slidably connected to the transmission disc; in the rotating process of the transmission disc, a fifth transmission rod in sliding connection with the transmission disc is pushed, the fifth transmission rod drives a fourth transmission rod fixedly connected with the fifth transmission rod to slide on a second transmission block, and finally the second transmission rod is driven to slide downwards in a small range, so that the optical fiber tube is slightly pressed. Bending caused by factors such as equipment movement, vibration or frequent plugging in the use process is avoided.
Need to check novelty before this filing date? Find Prior Art

Description

TECHNICAL FIELD

[0001] The utility model relates to optical fiber technical field, concretely is a kind of transmission and reflection high-isolation wave division multiplexer. BACKGROUND

[0002] In the field of optical communication, wavelength division multiplexing technology is to combine multiple different wavelength optical signals together and couple them into the same optical fiber for data transmission to improve the transmission capacity and utilization efficiency of optical fiber. With the development of information technology, data traffic has increased dramatically, especially in the case of 5G communication popularization and the growing demand for bandwidth and speed in data centers, higher requirements are put forward for the performance of wavelength division multiplexer;

[0003] In practical application, the optical fiber insertion part of the wavelength division multiplexer needs to be frequently plugged or affected by external factors such as equipment movement and vibration. Since the optical fiber itself is relatively fragile, it is easy to bend at the insertion site under such long-term environment. Once the optical fiber is bent, the internal light path of the optical fiber will change, causing additional loss of optical signals during transmission. In severe cases, it may even cause interruption of optical signals, affecting the normal operation of the wavelength division multiplexer. SUMMARY

[0004] The purpose of the utility model is to provide a kind of transmission and reflection high-isolation wave division multiplexer, to solve the problems raised in the above background technology.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: a kind of transmission and reflection high-isolation wave division multiplexer, comprising:

[0006] Wave division multiplexer body;

[0007] The transmission assembly is arranged in the WDM body, the transmission assembly comprises a second built-in plate which is slidably connected in the WDM body, a second transmission block is slidably connected to the second built-in plate, an inclined hole is formed in the second transmission block, a fourth transmission rod is slidably connected to the inclined hole in the second transmission block, a fifth transmission rod is fixedly connected to the fourth transmission rod, a transmission disc is slidably connected to the fifth transmission rod, a rotating disc is slidably connected to the transmission disc, a second rotating shaft is rotatably connected to the transmission disc, a third transmission rod is fixedly connected to the second rotating shaft, a sliding column is fixedly connected to the third transmission rod, an inclined hole is formed in the sliding column, a second transmission rod is slidably connected to the inclined hole in the sliding column, a first built-in plate is fixedly connected to the second transmission rod, a first transmission block is fixedly connected to the first built-in plate, an inclined hole is formed in the first transmission block, a first transmission rod is slidably connected to the inclined hole in the first transmission block, a pressing block is fixedly connected to the first transmission rod, a first spring is fixedly connected to the bottom of the first built-in plate, a bottom disc is fixedly connected to the bottom of the first spring, and an opening is formed in the second transmission block.

[0008] Further, an opening is formed in the first built-in plate, a first rotating shaft is rotatably connected to the opening in the first built-in plate, the bottom of the first rotating shaft is rotatably connected to the bottom disc, an opening is formed in the rotating disc, and the first rotating shaft is rotatably connected to the opening in the rotating disc, and the transmission disc is fixedly connected to the first rotating shaft.

[0009] The above technical scheme has the following advantages: the opening is formed in the rotating disc, so that the first rotating shaft can rotate in the opening during use, and when the sliding column drives the third transmission rod to displace, the rotating disc moves on the transmission disc.

[0010] Further, the first transmission block is fixedly connected to a fixed rod at the bottom, and the first built-in plate is fixedly connected to the fixed rod.

[0011] The above technical scheme has the following advantages: the first transmission block is fixedly connected to the fixed rod at the bottom, so that the first transmission block and the first built-in plate can be connected during use, the first built-in plate is arranged in the WDM body, and the first built-in plate limits the first transmission block to move only in the vertical direction.

[0012] Further, a second spring is fixedly connected to the fifth transmission rod, and the second spring is fixedly connected to the second spring away from the fifth transmission rod.

[0013] The above technical scheme has the following advantages: the second spring is arranged, so that the fifth transmission rod and the rotating disc can be fixedly connected.

[0014] Further, the transmission disc is provided with a slot, and the fifth transmission rod is slidably connected in the slot of the transmission disc.

[0015] The technical scheme has the following beneficial effects: the slot in the transmission disc is used to limit the sliding of the fifth transmission rod.

[0016] Further, the first built-in plate is provided with a hole, and the sliding column is slidably connected in the hole of the first built-in plate.

[0017] The technical scheme has the following beneficial effects: the hole in the first built-in plate is used to slide the sliding column, so that the sliding column is not stuck.

[0018] Further, the bottom disc is fixedly connected with a fixing sheet, and the fixing sheet is fixedly connected to the inner wall bottom of the WDM body.

[0019] The technical scheme has the following beneficial effects: the fixing sheet is used to fix the bottom disc to the bottom of the WDM body, and the bottom disc can be fixed by using bolts during use, so that the bottom disc can be easily disassembled.

[0020] Compared with the prior art, the utility model has the advantages and positive effects that:

[0021] In the utility model, the staff slightly pushes the pressing block inward. The movement of the pressing block drives the first transmission rod fixedly connected thereto, and the first transmission rod slides in the inclined hole in the first transmission block. Due to the guiding effect of the inclined hole, the first transmission block slides downward along the vertical direction. The first transmission block drives the first built-in plate fixedly connected thereto to move downward synchronously, and the first built-in plate drives the second transmission rod to slide downward in the inclined hole in the sliding column. The force generated by the downward sliding of the second transmission rod is converted into a force for pushing the sliding column to move horizontally through the inclined hole. The movement of the sliding column drives the third transmission rod fixedly connected thereto, and the third transmission rod drives the transmission disc to rotate slightly through the second rotating shaft. The fifth transmission rod slidably connected to the transmission disc is pushed during the rotation of the transmission disc. The fifth transmission rod drives the fourth transmission rod fixedly connected thereto to slide on the second transmission block, and finally drives the second transmission rod to slide slightly downward, so that the optical fiber tube is slightly pressed, and the optical fiber tube is prevented from being bent due to the movement, vibration or frequent plugging of the equipment during use. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a schematic diagram of the overall structure of a high-isolation wave division multiplexer.

[0023] Figure 2 It is a schematic diagram of the bottom structure of a high-isolation wave division multiplexer.

[0024] Figure 3It is a schematic view of the second built-in plate position of a transmissive and reflective high-isolation wave division multiplexer.

[0025] Figure 4 It is a schematic view of the first built-in plate position of a transmissive and reflective high-isolation wave division multiplexer.

[0026] Figure 5 It is a schematic view of the rotating disc position of a transmissive and reflective high-isolation wave division multiplexer.

[0027] Figure 6 It is a schematic view of the fixed rod position of a transmissive and reflective high-isolation wave division multiplexer.

[0028] Figure 7 It is a schematic view of the sliding column position of a transmissive and reflective high-isolation wave division multiplexer.

[0029] Reference numerals in the drawings:

[0030] 1, wave division multiplexer body;

[0031] 2, transmission assembly; 21, second built-in plate; 22, pressing block; 23, first transmission block; 24, first transmission rod; 25, fixed rod; 26, first built-in plate; 27, sliding column; 28, second transmission rod; 29, third transmission rod; 210, transmission disc; 211, rotating disc; 212, first spring; 213, first rotating shaft; 214, second spring; 215, second transmission block; 216, fourth transmission rod; 217, fifth transmission rod;

[0032] 3, base plate; 31, fixed sheet;

[0033] 4, second rotating shaft. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. EMBODIMENT

[0035] As shown in the drawings, the present application provides a technical solution: a transmissive and reflective high-isolation wave division multiplexer, comprising: Figures 1-7 Wave division multiplexer body 1;

[0036]

[0037] ​The transmission assembly 2 is arranged in the WDM body 1, the transmission assembly 2 comprises a second built-in plate 21 slidably connected in the WDM body 1, a second transmission block 215 is slidably connected on the second built-in plate 21, an inclined hole is formed on the second transmission block 215, a fourth transmission rod 216 is slidably connected on the inclined hole of the second transmission block 215, a fifth transmission rod 217 is fixedly connected on the fourth transmission rod 216, a transmission disc 210 is slidably connected on the fifth transmission rod 217, a rotating disc 211 is slidably connected on the transmission disc 210, a second rotating shaft 4 is rotatably connected on the transmission disc 210, a third transmission rod 29 is fixedly connected on the second rotating shaft 4, a sliding column 27 is fixedly connected on the third transmission rod 29, an inclined hole is formed on the sliding column 27, a second transmission rod 28 is slidably connected in the inclined hole of the sliding column 27, a first built-in plate 26 is fixedly connected on the second transmission rod 28, a first transmission block 23 is fixedly connected on the first built-in plate 26, an inclined hole is formed on the first transmission block 23, a first transmission rod 24 is slidably connected in the inclined hole of the first transmission block 23, a pressing block 22 is fixedly connected on the first transmission rod 24, a first spring 212 is fixedly connected on the bottom of the first built-in plate 26, a bottom disc 3 is fixedly connected on the bottom of the first spring 212, and an opening is formed on the second transmission block 215.

[0038] In the utility model, the staff gently pushes the pressing block 22 inwards. The movement of the pressing block 22 drives the first transmission rod 24 fixedly connected therewith, the first transmission rod 24 slides in the inclined hole of the first transmission block 23, and due to the guiding effect of the inclined hole, the first transmission block 23 slides downwards along the vertical direction. The first transmission block 23 drives the first built-in plate 26 fixedly connected therewith to move downwards synchronously, the first built-in plate 26 drives the second transmission rod 28 to slide downwards in the inclined hole of the sliding column 27, the force generated by the second transmission rod 28 sliding downwards is converted into the force for pushing the sliding column 27 to displace horizontally through the inclined hole, the sliding column 27 drives the third transmission rod 29 fixedly connected therewith to displace, and the third transmission rod 29 drives the transmission disc 210 to rotate slightly through the second rotating shaft 4. The fifth transmission rod 217 is pushed during the rotation of the transmission disc 210, the fifth transmission rod 217 drives the fourth transmission rod 216 fixedly connected therewith to slide on the second transmission block 215, and finally drives the second transmission rod 28 to slide downwards slightly, so that the optical fiber tube is slightly pressed, and bending of the optical fiber tube due to factors such as movement, vibration or frequent plugging of equipment during use is avoided.

[0039] Further, as Figures 1-7As shown, the first built-in plate 26 is provided with an opening, and the first rotating shaft 213 is rotatably connected in the opening of the first built-in plate 26. The bottom of the first rotating shaft 213 is rotatably connected to the chassis 3. The rotating disc 211 is provided with an opening, and the first rotating shaft 213 is rotatably connected in the opening of the rotating disc 211. The transmission disc 210 is fixedly connected with the first rotating shaft 213. By providing the opening in the rotating disc 211, the first rotating shaft 213 can rotate in the opening during use. When the sliding column 27 drives the third transmission rod 29 to displace, the rotating disc 211 will move on the transmission disc 210.

[0040] The first transmission block 23 is fixedly connected with the fixed rod 25 at the bottom. The first built-in plate 26 is fixedly connected with the fixed rod 25. By fixing the first transmission block 23 with the fixed rod 25 at the bottom, the first transmission block 23 and the first built-in plate 26 can be connected during use. The first built-in plate 26 is abutted against the WDM body 1, thereby limiting the first transmission block 23 to move only in the vertical direction.

[0041] The fifth transmission rod 217 is fixedly connected with the second spring 214. The second spring 214 is fixedly connected to the second spring 214 away from the fifth transmission rod 217. By providing the second spring 214, the fifth transmission rod 217 can be fixedly connected with the rotating disc 211.

[0042] The transmission disc 210 is provided with a slot, and the fifth transmission rod 217 is slidably connected in the slot of the transmission disc 210. The rotating disc 211 is fixedly connected to the first built-in plate 26. By providing the slot in the transmission disc 210, the sliding of the fifth transmission rod 217 can be limited.

[0043] The first built-in plate 26 is provided with an opening, and the sliding column 27 is slidably connected in the opening of the first built-in plate 26. By providing the opening in the first built-in plate 26, the sliding column 27 can slide in the opening, thereby avoiding being stuck.

[0044] The above scheme still has the problem of how to fix the chassis 3, such as Figure 2 As shown, the chassis 3 is fixedly connected with the fixed sheet 31, and the fixed sheet 31 is fixedly connected to the inner wall of the WDM body 1 at the bottom. By providing the fixed sheet 31, the chassis 3 can be fixed at the bottom of the WDM body 1. During use, the chassis 3 can be fixed by bolts, and the chassis 3 can be easily disassembled.

[0045] As shown in Figures 1-7As shown, in use, first, the optical fiber tube is inserted into the opening of the second transmission block 215, then the staff pushes the pressing block 22 inward, the first transmission block 23 is driven to slide down by the first transmission rod 24, the first built-in plate 26 is driven to slide down, the second transmission rod 28 is driven to slide down in the inclined hole of the sliding column 27 by the first built-in plate 26, the sliding column 27 is driven to displace, the third transmission rod 29 is driven to rotate the transmission disc 210 by the second transmission rod 29, the fifth transmission rod 217 is pushed by the transmission disc 210, the fourth transmission rod 216 is driven to slide on the second transmission block 215 by the fifth transmission rod 217, the second transmission block 215 is driven to slide down slightly, the optical fiber tube is slightly pressed, so that the possibility of bending of the optical fiber tube in use is reduced.

[0046] Then, the first transmission block 23 is fixed by screwing the bolt from the outer wall of the wavelength division multiplexer body 1, and the limiting of the first transmission block 23 is completed.

[0047] The above is only the preferred embodiment of the present application, and does not limit the present application in any form. Although the preferred embodiment of the present application has been disclosed above, it is not intended to limit the present application. Any skilled person in the art can make some changes or modifications to the above-mentioned technical content without departing from the scope of the present application, and equivalent embodiments with equivalent changes can be obtained. The implementation solutions in the above-mentioned embodiments can be further combined or replaced. Any simple modification, equivalent change and modification of the above-mentioned embodiments according to the technical essence of the present application still belong to the scope of the present application.

Claims

1. A high-isolation wavelength division multiplexer for both transmission and reflection, characterized in that, Include: Wavelength division multiplexer body (1); Transmission assembly (2), the transmission assembly (2) is placed in wavelength division multiplexer body (1), the transmission assembly (2) includes the second built-in plate (21) of sliding connection in wavelength division multiplexer body (1), the second built-in plate (21) is slidably connected with the second transmission block (215), the second transmission block (215) is provided with inclined hole, the inclined hole of the second transmission block (215) is slidably connected with the fourth transmission rod (216), the fourth transmission rod (216) is fixedly connected with the fifth transmission rod (217), the fifth transmission rod (217) is slidably connected with the transmission disc (210), the transmission disc (210) is slidably connected with the rotating disc (211), the transmission disc (210) is rotatably connected with the second rotating shaft (4), the second rotating shaft (4) is fixedly connected with the third transmission rod (29), the third transmission rod (29) is fixedly connected with the sliding column (27), the sliding column (27) is provided with inclined hole, the inclined hole of the sliding column (27) is slidably connected with the second transmission rod (28), the second transmission rod (28) is fixedly connected with the first built-in plate (26), the first built-in plate (26) is fixedly connected with the first transmission block (23), the first transmission block (23) is provided with inclined hole, the inclined hole of the first transmission block (23) is slidably connected with the first transmission rod (24), the first transmission rod (24) is fixedly connected with the pressing block (22), the first built-in plate (26) bottom is fixedly connected with the first spring (212), the first spring (212) bottom is fixedly connected with the base (3), the second transmission block (215) is provided with aperture.

2. A high-isolation wavelength division multiplexer according to claim 1, characterized in that: The first built-in plate (26) is provided with aperture, the first built-in plate (26) is rotatably connected with the first rotating shaft (213) in the aperture, the first rotating shaft (213) bottom is rotatably connected in the base (3), the rotating disc (211) is provided with aperture, the first rotating shaft (213) is rotatably connected in the aperture of rotating disc (211), the transmission disc (210) is fixedly connected with the first rotating shaft (213).

3. A high-isolation wavelength division multiplexer according to claim 2, characterized in that: The first transmission block (23) bottom is fixedly connected with the fixed rod (25), and the first built-in plate (26) is fixedly connected with the fixed rod (25).

4. The high-isolation wavelength division multiplexer of claim 1, wherein: The fifth transmission rod (217) is fixedly connected with the second spring (214), and the second spring (214) is fixedly connected on the side away from the fifth transmission rod (217) of the second spring (214).

5. A high-isolation wavelength division multiplexer according to claim 4, characterized in that: The transmission disc (210) is provided with slot, the fifth transmission rod (217) is slidably connected in the slot of transmission disc (210), and the rotating disc (211) is fixedly connected on the first built-in plate (26).

6. A high-isolation transmissive and reflective wavelength division multiplexer according to claim 3, characterized in that: The first built-in plate (26) is provided with aperture, and the sliding column (27) is slidably connected in the aperture of the first built-in plate (26).

7. The high-isolation transmissive and reflective wavelength division multiplexer of claim 1, wherein: The base (3) is fixedly connected with the fixed sheet (31), and the fixed sheet (31) is fixedly connected on the inner wall bottom of wavelength division multiplexer body (1).