Optical fiber quick connector

By combining the design of the screw ring, threaded ring and compression ring, the problem of unstable connection and dust ingress caused by frequent plugging and unplugging of fiber optic connectors is solved, thereby improving the stability and sealing of fiber optic connections.

CN224500982UActive Publication Date: 2026-07-14YUEYANG SHUOSHENG COMM TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
YUEYANG SHUOSHENG COMM TECH CO LTD
Filing Date
2025-10-14
Publication Date
2026-07-14

AI Technical Summary

Technical Problem

Traditional fiber optic connectors are prone to wear and tear on the connector and interface spring contacts during frequent plugging and unplugging, leading to connection instability and the risk of dust ingress, which affects the stability of signal transmission.

Method used

The design employs a combination of a screwing ring, a threaded ring, and a compression ring. The screwing ring drives the threaded ring and the compression ring, pushing the sealing sleeve into tight contact with the inner wall of the wiring interface, forming a stable connection and preventing wear and dust ingress.

Benefits of technology

It improves the stability and reliability of fiber optic connections, reduces the risk of loose connections and dust ingress caused by frequent plugging and unplugging, and ensures the stability of signal transmission.

✦ Generated by Eureka AI based on patent content.

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  • Figure CN224500982U_ABST
    Figure CN224500982U_ABST
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Abstract

The utility model relates to optical fiber joint technical field especially relates to a kind of optical fiber quick connector.The kind of optical fiber quick connector includes: wiring interface, annular groove, tightening assembly, the inner wall of wiring interface is inserted with connecting body, the end of connecting body away from wiring interface is fixedly connected with anti-buckling cover, the inner wall of anti-buckling cover is fixedly connected with optical fiber cover, one end of optical fiber cover is fixedly connected with cover head, the outside of connecting body starts with annular groove, the inner wall of annular groove is sleeved with sealing sleeve, the inner wall of annular groove is slidably connected with extrusion ring on the left side of sealing sleeve, the outside of annular groove is equipped with tightening assembly, and tightening assembly includes screw ring.The utility model effectively solves the problem that connector is caused by long-term plugging and leads to the wear of connector and interface spring piece, cannot be closely combined, avoids the unstable situation of signal transmission caused by connection slackening, and greatly reduces the risk of dust entry, can better guarantee the reliability of optical fiber connection.
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Description

Technical Field

[0001] This utility model relates to the field of optical fiber connector technology, and in particular to an optical fiber quick connector. Background Technology

[0002] Optical fiber is a thin cable with a glass or plastic core that can efficiently transmit data through optical signals. Due to its high transmission speed and large capacity, it has become the core carrier of modern communication. Quick connectors are designed to solve the needs of field connections for optical fibers.

[0003] Traditional fiber optic connectors are typically plugged into optical communication equipment with corresponding interfaces, using spring clips on the inner wall of the interface for clamping. However, in some scenarios, fiber optic connections are not fixed and require frequent plugging and unplugging of connectors to establish the connection as needed. Long-term plugging and unplugging can wear down the connector and the spring clips on the inner wall of the interface, making it impossible for the connector and interface to fit tightly, reducing connection stability, and increasing the risk of dust ingress.

[0004] Therefore, it is necessary to provide a new fiber optic quick connector to solve the above-mentioned technical problems. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a fiber optic quick connector.

[0006] The present invention provides a fiber optic quick connector comprising: a wiring interface, an annular groove, and a tightening assembly. A connecting body is inserted into the inner wall of the wiring interface. An anti-bending sleeve is fixedly connected to the end of the connecting body away from the wiring interface. An optical fiber sleeve is fixedly connected to the inner wall of the anti-bending sleeve. A sleeve head is fixedly connected to one end of the optical fiber sleeve. An annular groove is formed at the outer side of the connecting body. A sealing sleeve is fitted on the inner wall of the annular groove. A compression ring is slidably connected to the inner wall of the annular groove on the left side of the sealing sleeve. A tightening assembly is installed on the outer side of the annular groove.

[0007] Preferably, the tightening assembly includes a tightening ring, the inner wall of which is slidably connected to the inner wall of the annular groove on the left side of the compression ring, and a threaded ring fixedly connected to the right end of the tightening ring away from the axis.

[0008] Preferably, the outer side of the sealing sleeve contacts the inner wall of the wiring interface when it expands.

[0009] Preferably, the right end of the compression ring contacts the left end of the sealing sleeve.

[0010] Preferably, the outer side of the threaded ring is threaded to the inner wall of the left side of the wiring interface away from the axis, and the right side of the ring away from the axis is in contact with the left side of the wiring interface when tightened.

[0011] Preferably, the right side of the twisting ring contacts the left side of the extrusion ring.

[0012] Compared with related technologies, the fiber optic quick connector provided by this utility model has the following beneficial effects:

[0013] Improved connection stability: By cooperating with the screw ring, threaded ring, compression ring, and sealing sleeve, a stable connection can be formed, effectively solving the problem of wear and tear on the connector and interface spring plate caused by long-term plugging and unplugging, and avoiding signal transmission instability caused by loose connection. In addition, the compression ring pushes the sealing sleeve to deform, so that it makes tight contact with the inner wall of the wiring interface, filling the gap and greatly reducing the risk of dust ingress, thus better ensuring the reliability of fiber optic connection. Attached Figure Description

[0014] Figure 1 A schematic diagram of the structure of a fiber optic quick connector provided by this utility model;

[0015] Figure 2 for Figure 1 The diagram shown is a structural schematic of the sealing sleeve before it expands.

[0016] Figure 3 for Figure 2 The diagram shows the structure of the expanding sealing sleeve.

[0017] Figure 4 for Figure 3 Enlarged view of point A in the image.

[0018] The following are the labels in the diagram: 1. Wiring interface; 2. Connecting body; 3. Anti-bending sleeve; 4. Fiber optic sleeve; 5. Sleeve head; 6. Annular groove; 7. Sealing sleeve; 8. Compression ring; 9. Tightening ring; 10. Threaded ring. Detailed Implementation

[0019] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0020] The specific implementation of this utility model will be described in detail below with reference to specific embodiments.

[0021] Please see Figures 1 to 4A fiber optic quick connector includes: a wiring interface 1, which is a key component for the fiber optic quick connector to interface with optical communication equipment. A connecting body 2 is inserted into the inner wall of the wiring interface 1. The connecting body 2 is responsible for the transmission of optical fiber signals and structural connection. An anti-bending sleeve 3 is installed at the end away from the wiring interface 1 by means of a fixed connection. The anti-bending sleeve 3 is made of materials with certain flexibility and bending resistance, which can provide reliable protection for the optical fiber access area. An optical fiber sleeve 4 is also fixedly connected to the inner wall of the anti-bending sleeve 3. The optical fiber sleeve 4 is used to accommodate and initially fix the optical fiber to be connected. A sleeve head 5 is also fixedly connected to one end of the optical fiber sleeve 4. The sleeve head 5 can assist the optical fiber to be smoothly inserted and held in the position inside the optical fiber sleeve 4.

[0022] An annular groove 6 is machined on the outside of the connecting body 2. A sealing sleeve 7 is fitted on the inner wall of the annular groove 6. When the sealing sleeve 7 is compressed and expands, it can tightly contact the inner wall of the wiring interface 1, thereby filling the gap between the two and achieving a sealing effect. On the inner wall of the annular groove 6, a compression ring 8 is slidably connected to the left side of the sealing sleeve 7. The compression ring 8 can slide smoothly in the annular groove 6. The right end of the compression ring 8 contacts the left end of the sealing sleeve 7 and can apply force to the sealing sleeve 7 during the sliding process.

[0023] To achieve the fastening and sealing operation of the connection, a tightening assembly is installed on the outside of the annular groove 6. The tightening assembly includes a tightening ring 9. The inner wall of the tightening ring 9 is slidably connected to the inner wall of the annular groove 6 in the left area of ​​the compression ring 8. The tightening ring 9 can rotate and slide axially around the annular groove 6. When the tightening operation is in place, its right side, away from the axis, will contact the left side of the wiring interface 1 to form a limit. At the same time, the right side of the tightening ring 9 contacts the left side of the compression ring 8 and can push the compression ring 8 by its own movement. At the right end of the tightening ring 9, away from the axis, a threaded ring 10 is fixedly connected. The outside of the threaded ring 10 is threadedly connected to the inner wall of the left side of the wiring interface 1 away from the axis. With the help of the threaded engagement, the rotation of the tightening ring 9 can be converted into axial movement.

[0024] The working principle of the fiber optic quick connector provided by this utility model is as follows:

[0025] When fiber optic connection is required, first, the fiber optic sleeve 4 is pre-fitted onto the outside of the fiber to be connected. The anti-bending sleeve 3 protects the fiber optic access point and prevents the fiber optic from being damaged due to bending. Then, the connecting body 2 is aligned with the wiring interface 1 and the connecting body 2 is inserted into the inner wall of the wiring interface 1.

[0026] At this time, to achieve sealing and fastening, operate the tightening component: rotate the tightening ring 9. The rotation of the tightening ring 9 will drive the threaded ring 10 to rotate synchronously. Since the outer side of the threaded ring 10 is connected to the inner wall of the left side of the wiring interface 1 away from the axis by threads, under the meshing action of the threads, the tightening ring 9 will gradually move towards the wiring interface 1. As the tightening ring 9 moves, its right side will contact the left side of the compression ring 8. Continue to rotate the tightening ring 9, and the tightening ring 9 will push the compression ring 8 to slide towards the sealing sleeve 7 on the inner wall of the annular groove 6.

[0027] During the sliding process of the compression ring 8, its right end contacts the left end of the sealing sleeve 7 and applies pressure. Under the action of the compression force, the sealing sleeve 7 deforms. When the outer side of the sealing sleeve 7 expands, it comes into close contact with the inner wall of the wiring interface 1, thereby filling the gap between the connecting body 2 and the wiring interface 1, achieving a good sealing effect and reducing the risk of dust ingress. When the right side of the ring 9, away from the axis, contacts the left side of the wiring interface 1 during tightening, it indicates that the tightening operation is in place. At this time, a stable connection is formed between the connecting body 2 and the wiring interface 1 through the sealing of the sealing sleeve 7 and the fastening of the tightening assembly. This effectively avoids connection instability caused by prolonged plugging and unplugging. If disconnection is required later, the screw ring 9 is rotated in the opposite direction, and the threaded ring 10 rotates in the opposite direction as well. The screw ring 9 gradually moves away from the connector 1, and the compression ring 8 is no longer pushed by the screw ring 9. The deformation of the sealing sleeve 7 gradually recovers, and then the connector body 2 can be pulled out from the connector 1 to complete the disconnection operation. The entire process, through the orderly cooperation of each component, achieves stable connection and convenient plugging and unplugging of the fiber optic quick connector, effectively improving the shortcomings of traditional connectors and adapting to the requirements of connection stability and sealing in frequent plugging and unplugging scenarios.

[0028] The above description is merely an embodiment of this utility model and does not limit the patent scope of this utility model. Any equivalent structural or procedural transformations made based on the content of this utility model specification and drawings, or direct or indirect applications in other related technical fields, are similarly included within the patent protection scope of this utility model.

Claims

1. A fiber optic quick connector, characterized in that, include: Wiring interface (1), the inner wall of the wiring interface (1) is connected to a connecting body (2), the end of the connecting body (2) away from the wiring interface (1) is fixedly connected to an anti-bending sleeve (3), the inner wall of the anti-bending sleeve (3) is fixedly connected to an optical fiber sleeve (4), and one end of the optical fiber sleeve (4) is fixedly connected to a sleeve head (5). An annular groove (6) is formed at the outer part of the connecting body (2). A sealing sleeve (7) is fitted on the inner wall of the annular groove (6). A compression ring (8) is slidably connected to the inner wall of the annular groove (6) on the left side of the sealing sleeve (7). Tightening assembly: A tightening assembly is installed on the outside of the annular groove (6).

2. The fiber optic quick connector according to claim 1, characterized in that, The tightening assembly includes a tightening ring (9), the inner wall of the tightening ring (9) and the inner wall of the annular groove (6) are slidably connected to the left side of the compression ring (8), and a threaded ring (10) is fixedly connected to the right end of the tightening ring (9) away from the axis.

3. The fiber optic quick connector according to claim 1, characterized in that, When the outer part of the sealing sleeve (7) expands, it comes into contact with the inner wall of the wiring interface (1).

4. The fiber optic quick connector according to claim 1, characterized in that, The right end of the compression ring (8) is in contact with the left end of the sealing sleeve (7).

5. A fiber optic quick connector according to claim 2, characterized in that, The outer side of the threaded ring (10) is threaded to the inner wall of the left side of the wiring interface (1) away from the axis. When the right side of the rotating ring (9) away from the axis is tightened, it is in contact with the left side of the wiring interface (1).

6. A fiber optic quick connector according to claim 2, characterized in that, The right side of the twisting ring (9) comes into contact with the left side of the squeezing ring (8).