Detachable optical fiber adapter
By designing a detachable fiber optic adapter and using a limiting structure and spring fixation, the fiber optic contact components can be quickly replaced and stably connected, solving the signal instability problem caused by fiber optic contactor wear and reducing maintenance costs.
Patent Information
- Application Number
- CN202520467659.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-18
- Publication Date
- 2026-02-17
- Estimated Expiration
- 2035-03-18
AI Technical Summary
Existing fiber optic contactors are prone to damage after frequent use, resulting in unstable signal transmission, high maintenance costs, and difficulty in replacement.
Design a detachable fiber optic adapter that separates the fiber optic assembly from the adapter assembly and fixes them with a limiting structure and spring. The spring pushes the pressure block to rotate, enabling quick removal and removal of the fiber optic contact assembly. Combined with an open ring design, a stable connection is achieved.
This enables easy replacement of fiber optic contact components, reduces maintenance costs, extends product lifespan, and ensures stable transmission of fiber optic signals.
Smart Images

Figure CN223926662U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of connectors, and more specifically to a detachable fiber optic adapter. Background Technology
[0002] Fiber optic contactors are a very common type of signal transmission connector in today's society, widely used in many electrical appliances in daily life. During use, due to the characteristics of fiber optic contactors, damage to the optical connectors can occur after frequent use, leading to unstable optical signal transmission.
[0003] Common solutions include directly replacing the entire fiber optic assembly or using specialized equipment for on-site repair. However, replacement is not easy and can lead to excessively high maintenance costs for the entire equipment, which can significantly impact operational efficiency. Utility Model Content
[0004] The purpose of this invention is to improve the structure of existing optical fiber assemblies by using physical structures to separate and fix the optical fiber assembly and the adapter assembly, so as to ensure that when the optical fiber assembly fails, it can be quickly repaired by replacing the adapter assembly.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A detachable fiber optic adapter includes a fiber optic assembly and an adapter assembly. The fiber optic assembly includes an optical fiber, the end of which is configured as a contact portion. A limiting post is connected to the contact portion along the fiber optic direction. A sliding stop is fitted onto the optical fiber, and a spring fitted onto the optical fiber is disposed between the stop and the limiting post.
[0007] The adapter assembly includes a housing that extends through both ends. One end of the housing is configured as a contact cavity. Inside the housing, there is a limiting structure consisting of a stop block and a limiting post that defines the optical fiber assembly. The contact portion of the optical fiber is located inside the insertion cavity.
[0008] In the above technical solution, a first boss and a second boss are sequentially provided inside the housing of the adapter assembly, and the stop block and the limiting post are limited between the first boss and the second boss.
[0009] In the above technical solution, a hollow locking groove is provided on the shell wall between the first boss and the second boss, and a locking post is provided on the stop block, with the locking post disposed in the locking groove.
[0010] In the above technical solution, the limiting post is in contact with the second protrusion, and the contact portion of the optical fiber passes through the second protrusion and extends into the contact cavity.
[0011] In the above technical solution, a sliding groove is provided on the inner wall along the opening of the housing to the second boss.
[0012] In the above technical solution, the contact cavity of the adapter component is provided with an open ring, and the contact portion of the optical fiber extends into the open ring.
[0013] In the above technical solution, the outer diameter of one end of the opening ring is smaller than the inner diameter of the contact cavity.
[0014] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:
[0015] This solution utilizes a spring in the fiber optic contact assembly to push the pressure block to the bottom, rotate the pressure block, and then use a tool to push out the fiber optic contact assembly from the mating end, thus achieving the removal and removal of the fiber optic contact assembly. This solves the problem of easy replacement due to wear or damage to the fiber optic contact assembly or adapter, greatly improves product lifespan, reduces maintenance costs, and facilitates on-site work.
[0016] The open-ring design of the connector cavity allows for the mating of the male and female ends, enabling stable transmission of fiber optic signals by utilizing the characteristics of the open ring. Attached Figure Description
[0017] This utility model will be described by way of example and with reference to the accompanying drawings, wherein:
[0018] Figure 1 This is a schematic diagram of the external structure of the male terminal of the adapter component;
[0019] Figure 2 yes Figure 1 A cross-sectional schematic diagram;
[0020] Figure 3 This is a schematic diagram of the fiber optic assembly.
[0021] Figure 4 This is a schematic diagram of the external structure of the female end of the adapter component;
[0022] Figure 5 yes Figure 4 This is a cross-sectional diagram;
[0023] Wherein: 1 is a sleeve, 2 is a locking groove, 3 is a first contact cavity, 4 is an annular stop, 5 is a first boss, 6 is a second boss, 7 is a sliding groove, 8 is an optical fiber, 9 is a stop, 10 is a locking pin, 11 is a spring, 12 is a limiting pin, 13 is a positioning key, 14 is a contact end, and 15 is a second contact cavity. Detailed Implementation
[0024] All features disclosed in this specification, or all steps in all disclosed methods or processes, may be combined in any way, except for mutually exclusive features and / or steps.
[0025] Any feature disclosed in this specification (including any appended claims, abstract, and drawings) may be replaced by other equivalent or similar features for a similar purpose, unless specifically stated otherwise. That is, unless specifically stated otherwise, each feature is merely one example of a series of equivalent or similar features.
[0026] In this embodiment, the corresponding fiber optic converter includes a male adapter and a female adapter, as detailed below:
[0027] like Figure 1 and Figure 2 The diagram shows the structure of the male adapter, which is machined from a single part, forming a cavity structure with both ends connected. Specifically, it includes a sleeve 1, a first contact cavity 3 at one end of the sleeve 1, a locking groove 2 on the surface of the sleeve 1, and two consecutive steps inside the sleeve 1: a first step 5 near the opening and a second step 6 near the first contact cavity 3. A sliding groove 7 is provided on the inner wall along the axial direction of the sleeve 1, extending to the second boss 6. The locking groove 2 is located on the wall surface between the first step 5 and the second step 6, and one end of the locking groove 2 communicates with the sliding groove 7.
[0028] In this embodiment, the optical fiber assembly is as follows: Figure 3 As shown, the device includes an optical fiber 8, with a contact end 14 made of ceramic at one end. A limiting post 12 is connected to the contact end 14, and the entire optical fiber 8 passes through the limiting post 12. A sliding stop 9 is fitted onto the optical fiber 8, and a spring 11 is positioned between the stop 9 and the limiting post 12. The spring 11 is compressed between the stop 9 and the limiting post 12. A positioning key 13 is provided on the limiting post 12 to position the optical fiber, and a locking post 10 is provided on the stop 9 to limit its position.
[0029] When assembling the fiber optic assembly and the adapter, the entire fiber optic assembly is inserted into the sleeve 1, the positioning key 13 is placed in the slide groove 7, and the connector 14 is slid along the slide groove 7 through the sleeve 1. The second boss 6 is used to limit the position of the limiting post 12 and the positioning key 13 until the stop block 9 coincides with the locking groove 2. Then, the stop block 9 is rotated so that the locking post 10 on the stop block 9 slides in the locking groove 2. Under the elastic force of the spring 11, the locking post 10 is limited in the locking groove 2, thereby limiting the entire fiber optic assembly in the adapter. And because of the presence of the spring 11, the contact end 14 of the fiber optic can move axially under force.
[0030] In this embodiment, the locking groove 2 is set along the circumferential direction of the adapter. In order to have a better locking effect, two locking grooves can be set on the adapter. The two locking grooves are symmetrically distributed. One of the locking grooves can open along the end of the sleeve 1. Similarly, two locking pins 10 on the stop block 9 are also symmetrically arranged. One locking pin 10 locks one locking groove 2.
[0031] like Figure 3 and Figure 4 As shown, the structure of the female adapter is the same as that of the male adapter. The improvement in this embodiment is only in the first contact cavity 3. The first contact cavity 3 is assumed to be an annular block 4. An open ring is connected to the annular block 4, and the inner cavity of the open ring constitutes the second contact cavity 15.
[0032] When the male and female ends are connected, by designing a second contact cavity 15 of different sizes, the second contact cavity 15 can be inserted into the first contact cavity 3, so that the contact end 14 of the male optical fiber can make contact and squeeze with the contact end 14 of the female optical fiber in the second contact cavity 15. Because of the presence of the spring 11, the two contact ends 14 can be tightly contacted together in the open ring, thereby realizing the optical fiber docking.
[0033] This invention is not limited to the specific embodiments described above. This invention extends to any new feature or combination disclosed in this specification, as well as any new method or process step or combination disclosed herein.
Claims
1. A detachable optical fiber adapter, comprising an optical fiber assembly and an adapter assembly, characterized in that: the optical fiber assembly comprises an optical fiber, an end of the optical fiber is provided as a contact portion, a limiting post is connected to the contact portion along the direction of the optical fiber, a sliding block is sleeved on the optical fiber, a spring is provided between the limiting post and the sliding block and sleeved on the optical fiber, the adapter assembly comprises a shell with a through hole at two ends, one end of the shell is provided as a contact cavity, a limiting structure for limiting the sliding block and the limiting post of the optical fiber assembly is arranged in the shell, and the contact portion of the optical fiber is arranged in the contact cavity.
2. The detachable fiber optic adapter of claim 1, wherein: The shell of the adapter assembly is sequentially provided with a first boss and a second boss, and the sliding block and the limiting post are limited between the first boss and the second boss.
3. A detachable fiber optic adapter according to claim 2, wherein: A hollow locking groove is arranged on the wall surface of the shell between the first boss and the second boss, and a locking post is arranged on the sliding block and arranged in the locking groove.
4. The detachable fiber optic adapter of claim 2, wherein The limiting post and the second boss are in contact with each other, and the contact portion of the optical fiber extends into the contact cavity through the second boss.
5. A detachable fiber optic adapter according to any of claims 2-4, wherein A sliding groove is arranged on the inner wall of the shell along the opening to the second boss.
6. The detachable fiber optic adapter of claim 1, wherein: An open ring is arranged on the contact cavity of the adapter assembly, and the contact portion of the optical fiber extends into the open ring.
7. A detachable fiber optic adapter according to claim 6, wherein: The outer diameter of one end of the open ring is smaller than the inner diameter of the contact cavity.