Optical fiber adapter capable of shielding interference signals
By setting up a shield made of metal material at the connection of the fiber optic adapter, the problem of optical fiber optic connectors being susceptible to external electromagnetic interference in practical applications is solved, and the signal quality improvement and transmission performance stability are achieved.
Patent Information
- Application Number
- CN202421582035.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-05
- Publication Date
- 2025-04-22
- Estimated Expiration
- 2034-07-05
AI Technical Summary
In practical applications, existing fiber optic connectors are susceptible to interference from external electronic devices, resulting in poor signal quality.
An optical fiber adapter that can shield interference signals is designed. By providing a shield at the connection between the optical fiber and the adapter body, a shielding member made of metal material is arranged at the connection between the connector and the first interface to prevent electromagnetic interference.
It effectively blocks external electromagnetic interference, ensures the stability and overall quality of optical fiber transmission signals, and improves the stability of transmission performance.
Smart Images

Figure CN222784593U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of optical fiber assembly, in particular to an optical fiber adapter capable of shielding interference signals. Background Art
[0002] Optical fiber has the advantages of high bandwidth and low loss. In recent years, it has been widely used as a signal transmission medium. Fiber optic connector is a mechanical device installed at the end of the optical fiber, which can be used as a connecting part of the optical path when the optical fiber is connected. When two optical fiber connectors are to be docked, it can be achieved through a fiber optic adapter.
[0003] There are many types of fiber optic connectors. According to the different transmission media, they can be divided into common single-mode and multi-mode connectors of silicon-based optical fibers, and other fiber optic connectors such as plastic as the transmission medium; according to the structure of the connector, they can be divided into various forms such as FC, SC, ST, LC, D4, DIN, MU, MT, etc. Among them, ST connectors are usually used at the wiring equipment end, such as fiber distribution frames, fiber modules, etc.; while SC and MT connectors are usually used at the network equipment end. According to the shape of the fiber end face, there are FC, PC (including SPC or UPC) and APC; according to the number of optical fiber cores, there are single-core and multi-core (such as MT-RJ). Fiber optic connectors are widely used and come in many varieties.
[0004] However, although most of the fiber optic connectors on the market can meet the normal connection between optical fibers, in actual application, due to the influence of external electronic devices or mutual interference between signals with other electronic devices, the quality of the transmitted signal is poor, so it is necessary to improve it on this basis. Utility Model Content
[0005] In order to achieve the purpose of the utility model, the utility model provides a fiber optic adapter that can shield interference signals, including an adapter body, a connector and a shielding member, the adapter body is provided with a connection chamber and a fiber optic connector arranged in the connection chamber, the fiber optic connector is provided with a fiber optic channel, and the two ends of the fiber optic connector are provided with a first interface and a second interface, the first interface and the second interface are connected through the fiber optic channel; the connector is connected to the adapter body through the first interface, and the shielding member is sleeved on the outside of the adapter body and is located at the connection between the connector and the first interface.
[0006] Preferably, the shielding member is made of metal material; the shielding member comprises a first shell and a second shell that are matched and connected to each other, the first shell comprises a top plate and two first side plates, one end of the two first side plates are connected to the top plate, and the other end is protruded outward relative to the top plate, a first area is formed between the two first side plates, and the two first side plates are provided with a first connecting groove;
[0007] The second shell includes a bottom plate and two second side plates, one end of each of the two second side plates is connected to the bottom plate, and the other end is protruding outward relative to the bottom plate, a second area is formed between the two second side plates, and each of the two second side plates is also provided with a first connecting block that matches and connects to the first connecting groove; when the first shell and the second shell are matched and connected, the first area and the second area are connected to form a accommodating area, and the adapter main body is located in the accommodating area.
[0008] Preferably, the adapter body is provided with a first side surface, and the first side surface is provided with a fixing column; the first side plate is provided with a first arc-shaped portion, and the second side plate is provided with a second arc-shaped portion, the first arc-shaped portion and the second arc-shaped portion are connected to form a first circular groove, and the fixing column is matched and connected with the first circular groove.
[0009] Preferably, extension portions are provided at both ends of the adapter body, and a first through hole is provided on the extension portion. The first shell includes a first baffle, and one of the first side plates is connected to the first baffle. The second shell includes a second baffle, and one of the second side plates is connected to the second baffle. Second through holes are provided on the first baffle and the second baffle. When the shielding member is connected to the adapter body, the first baffle and the second baffle are both connected to the side wall of the extension portion, and the first through hole is matched and connected with the second through hole.
[0010] Preferably, the first shell further includes a first connecting plate, both ends of which are respectively connected to the two first side plates, and a third arc-shaped portion is provided on the first connecting plate; the second shell further includes a second connecting plate, both ends of which are respectively connected to the two second side plates, and a fourth arc-shaped portion is also provided on the second connecting plate; the third arc-shaped portion and the fourth arc-shaped portion are connected to form a second circular groove, and the second circular groove is connected to the connector.
[0011] Preferably, the shielding member includes a second circular groove, the connector includes a connecting part and a connecting head connected to each other, one end of the connecting head is also connected to the first interface of the optical fiber connector, and when the shielding member is matched and connected with the adapter body, the second circular groove is matched and connected with the connecting part.
[0012] Preferably, a fixing plate is provided in the adapter body, the fixing plate is located in the connecting chamber and divides the connecting chamber into a first chamber and a second chamber, the first interface is located in the first chamber, and the second interface is located in the second chamber.
[0013] Preferably, the adapter body further comprises a dust cover, wherein the dust cover is located in the second chamber and is matched and connected with the second interface.
[0014] Preferably, the fixing plate is also provided with a first inverted hook portion and a second inverted hook portion, and the first inverted hook portion and the second inverted hook portion are both located in the first chamber and are respectively located at both ends of the optical fiber connector, and when the connector is connected to the first interface, the first inverted hook portion and the second inverted hook portion are both connected to the connector.
[0015] Preferably, a fixing plate is provided inside the adapter body, the optical fiber connector is connected to the fixing plate, and the adapter body also includes a sleeve matched with the connecting portion, and when the connector is connected to the adapter body, the sleeve is located in the optical fiber channel.
[0016] The beneficial effects of the utility model are as follows: the optical fiber adapter capable of shielding interference signals provided by the utility model ensures that the optical fiber will not be interfered by electromagnetic equipment during signal transmission by setting a shielding member at the connection between the optical fiber and the adapter body, thereby ensuring the overall quality of the transmitted signal and making the transmission performance more stable. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] The above and other purposes, features and advantages of the present invention will become clearer through a more specific description of the preferred embodiments of the present invention shown in the accompanying drawings. The same reference numerals indicate the same parts in all the accompanying drawings, and the accompanying drawings are not deliberately scaled to the actual size, but the focus is on illustrating the main purpose of the present invention.
[0018] Figure 1 An exploded schematic diagram of the specific structure of the optical fiber adapter provided by an embodiment of the utility model;
[0019] Figure 2 A schematic diagram of the specific structure of the optical fiber adapter provided by an embodiment of the utility model;
[0020] Figure 3 An exploded schematic diagram of a specific structure of a shielding member provided in an embodiment of the utility model;
[0021] Figure 4 A schematic diagram of the specific structure of the adapter body provided by an embodiment of the utility model;
[0022] Figure 5 A schematic cross-sectional view of an adapter body provided by an embodiment of the utility model;
[0023] In the figure: 1-adapter body, 100-second chamber, 101-first interface, 102-second interface, 103-optical fiber channel, 11-sleeve, 12-first through hole, 13-fixing column, 14-extension portion, 15-first side, 16-first hook portion, 17-second hook portion, 18-first chamber, 2-first shell, 21-first side plate, 22-first connecting groove, 23-first connecting plate, 24-top plate, 25-second through hole, 26-first baffle, 3-second shell, 31-first connecting block, 32-second side plate, 33-second connecting plate, 34-second baffle, 35-bottom plate, 4-connector, 41-connecting portion, 5-optical fiber, 6-dust cover. DETAILED DESCRIPTION
[0024] In order to facilitate the understanding of the present invention, a more comprehensive description of the present invention will be given below with reference to the relevant drawings.
[0025] It should be noted that when an element is considered to be "connected" to another element, it may be directly connected to another element and integrated therewith, or there may be an intermediate element at the same time. The terms "installed", "one end", "the other end" and similar expressions used herein are for illustrative purposes only.
[0026] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which the present invention pertains. The terms used in the specification herein are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.
[0027] Please refer to Figure 1-5 The embodiment of the utility model provides a fiber optic adapter capable of shielding interference signals, including an adapter body 1, a connector and a shielding member. The adapter body 1 is provided with a connection chamber and a fiber optic connector 11 disposed in the connection chamber. The fiber optic connector 11 is provided with a fiber optic channel 103. The two ends of the fiber optic connector 11 are provided with a first interface 101 and a second interface 102, and the first interface 101 and the second interface 102 are connected through the fiber optic channel 103; the connector is connected to the adapter body 1 through the first interface 101, and the shielding member is sleeved on the outside of the adapter body 1 and is located at the connection between the connector and the first interface 101 (the connection here specifically refers to the outside of the adapter body 1 where the connection between the connector and the first interface 101 is located).
[0028] Please refer to Figure 1In a preferred embodiment, the shielding member includes a second circular groove, and the connector includes a connecting portion 41 and a connector 4 that are connected to each other. One end of the connector 4 is also connected to the first interface 101 of the optical fiber connector 11. When the shielding member is matched and connected to the adapter body 1, the second circular groove is matched and connected to the connecting portion 41.
[0029] In a preferred embodiment, the connector 4 and the connecting part 41 are both hollow structures, and the optical fiber is connected to the connector through the hollow holes of the connector 4 and the connecting part 41, and then the matching connection between the connector 4 and the adapter body 1 is achieved through the first barb portion 16 and the second barb portion 17. At this time, one end of the optical fiber 5 is located in the optical fiber channel 103.
[0030] Please refer to Figure 1-5 The optical fiber adapter capable of shielding interference signals provided by the utility model only needs to be placed into the connector after stripping the optical fiber 5 and other steps, and then the connector and the first interface 101 of the adapter body 1 are connected; at the same time, a shielding member is arranged outside the connection between the connector and the first interface 101, thereby ensuring the stability of the transmission signal of the optical fiber 5 during actual use and avoiding interference from external electronic equipment or electromagnetic waves.
[0031] The beneficial effects of the utility model are as follows: by setting the shielding part, the stability of the transmission signal of the optical fiber 5 during actual use is guaranteed to avoid interference from external electronic equipment or electromagnetic waves. At the same time, the optical fiber 5 is connected through the connector. Compared with the traditional card connection or other connection methods (card connection method between the connector and the adapter body 1), the structure is simpler and more precise.
[0032] Please refer to Figure 3 In a preferred embodiment, the shielding member includes a first shell 2 and a second shell 3 that are matched and connected to each other, the first shell 2 includes a top plate 24 and two first side plates 21, one end of the two first side plates 21 is connected to the top plate 24, and the other end is protruded outward relative to the top plate 24, a first area is formed between the two first side plates 21, and the two first side plates 21 are provided with a first connecting groove 22;
[0033] The second shell 3 includes a bottom plate 35 and two second side plates 32, one end of the two second side plates 32 are connected to the bottom plate 35, and the other end is protruded outward relative to the bottom plate 35, and a second area is formed between the two second side plates 32. The two second side plates 32 are also provided with a first connecting block 31 that matches and connects to the first connecting groove 22; when the first shell 2 and the second shell 3 are matched and connected, the first area and the second area are connected to form an accommodating area, and a part of the adapter body 1 is located in the accommodating area.
[0034] The first shell 2 and the second shell 3 are assembled with the adapter body 1 in a detachable manner, so the structure is simpler and the installation is more convenient. At the same time, the first shell 2 and the second shell 3 are arranged close to the adapter body 1. Compared with the traditional structure of adding a shielding member, the overall structure is more sophisticated. At the same time, combined with the overall structure of the connector, the overall structure of the optical fiber adapter is more compact and can be used on smaller devices. It has a wider applicability and can be installed in a small space.
[0035] Please refer to Figure 2-3 In a preferred embodiment, the adapter body 1 is provided with a first side surface 15, and a fixing column 13 is provided on the first side surface 15; a first arc portion is provided on the first side plate 21, and a second arc portion is provided on the second side plate 32. The first arc portion and the second arc portion are connected to form a first circular groove, and the fixing column 13 is matched and connected with the first circular groove. Through the matching arrangement of the fixing column 13, the first arc portion and the second arc portion, the shielding member can be more stably connected to the adapter body 1, thereby avoiding the possibility of falling off.
[0036] Please refer to Figure 2-3 In a further preferred embodiment, the adapter body 1 is provided with extensions 14 at both ends, the extensions 14 are provided with first through holes 12, the first housing 2 includes a first baffle 26, one of the first side plates 21 is connected to the first baffle 26, the second housing 3 includes a second baffle 34, one of the second side plates 32 is connected to the second baffle 34, the first baffle 26 and the second baffle 34 are both provided with second through holes 25, when the shielding member is connected to the adapter body 1, the first baffle 26 and the second baffle 34 are both connected to the side wall of the extension 14, and the first through hole 12 is matched and connected with the second through hole 25. In this embodiment, by setting the first through hole 12 and the second through hole 25, the first housing 2 and the second housing 3 can be better positioned during the installation process, and the through holes are also fixedly connected by parts to ensure the connection stability between the shielding member and the adapter body 1.
[0037] Please refer to Figure 3 In a further preferred embodiment, the first shell 2 also includes a first connecting plate 23, both ends of the first connecting plate 23 are respectively connected to the two first side plates 21, and a third arc-shaped portion is provided on the first connecting plate 23. The second shell 3 also includes a second connecting plate 33, both ends of the second connecting plate 33 are respectively connected to the two second side plates 32, and a fourth arc-shaped portion is also provided on the second connecting plate 33. The third arc-shaped portion and the fourth arc-shaped portion are connected to form a second circular groove, and the second circular groove is connected to the connector.
[0038] In the above embodiment, the shielding member can be perfectly connected to the adapter body 1 and the connector without taking up a large space. Compared with the structure of traditional technology, the structure is simpler, and the overall structure occupies less space and is more convenient to install.
[0039] In a preferred embodiment, the connection chamber, the first interface 101 and the second interface 102 can be set to multiple, and the specific number is not limited here. In order to be applicable to multiple optical fibers 5, at least two connection chambers, the first interface 101 and the second interface 102 structures can be set.
[0040] Please refer to Figure 5 In a further preferred embodiment, a fixing plate is provided in the adapter body 1, the fixing plate is located in the connection chamber and divides the connection chamber into a first chamber 18 and a second chamber 100, the first interface 101 is located in the first chamber 18, and the second interface 102 is located in the second chamber 100. By dividing the connection chamber into the first chamber 18 and the second chamber 100, it is ensured that there is no interference between the use of the first interface 101 and the second interface 102, and the independent operation of the first interface 101 and the second interface 102 is guaranteed.
[0041] Please refer to Figure 1-2 In a preferred embodiment, the adapter body 1 further includes a dust cover 6, which is located in the second chamber 100 and is matched and connected with the second interface 102; the shielding member is made of metal material. When the second interface 102 is not in use, the dust cover 6 can prevent dust or other debris from entering the adapter body 1, thereby affecting the normal operation of the adapter body 1. When the second interface 102 (which can be used with network equipment, etc.) is used, the dust cover 6 only needs to be taken out.
[0042] Please refer to Figure 4-5 In a preferred embodiment, the fixing plate is further provided with a first barb 16 and a second barb 17, both of which are located in the first chamber 18 and at both ends of the optical fiber connector 11. When the connector is connected to the first interface 101, both of the first barb 16 and the second barb 17 are connected to the connector 4. The matching connection between the connector and the adapter body 1 is achieved by setting the first barb 16 and the second barb 17, and the connection between the two is achieved inside the adapter body 1. Compared with the connection method of the traditional technology, the arrangement method between the components is more convenient and the space is wider.
[0043] Please refer to Figure 5 In a preferred embodiment, a fixing plate is provided in the adapter body 1, and the optical fiber connector is connected to the fixing plate. The adapter body 1 also includes a sleeve 11 matched with the connecting portion 4. When the connector is connected to the adapter body 1, the sleeve 11 is located in the optical fiber channel 103. The setting of the sleeve can ensure that the optical fiber 5 will not loosen or shake due to other factors during the installation process, and can also ensure the stability of signal transmission.
[0044] The beneficial effects of the utility model are as follows: the utility model provides an optical fiber adapter capable of shielding interference signals, and by arranging a shielding member at the connection between the optical fiber and the adapter body, it is ensured that the optical fiber will not be interfered by electromagnetic equipment during the signal transmission process, thereby ensuring the overall quality of the transmitted signal and making the transmission performance more stable;
[0045] At the same time, based on the matching connection structure between the connector structure, the shielding structure and the adapter body, the overall structure of the fiber optic adapter is more precise, the overall footprint is smaller, and it is suitable for installation in a small space. Compared with the fiber optic adapters of traditional technology, it is more applicable.
[0046] In this specification, unless otherwise clearly specified and limited, a first feature being "above" or "below" a second feature may mean that the first and second features are in direct contact, or the first and second features are in indirect contact through an intermediate medium. Moreover, a first feature being "above", "above" or "above" a second feature may mean that the first feature is directly above or obliquely above the second feature, or simply means that the first feature is higher in level than the second feature. A first feature being "below", "below" or "below" a second feature may mean that the first feature is directly below or obliquely below the second feature, or simply means that the first feature is lower in level than the second feature.
[0047] In the description of this specification, the description with reference to the terms "preferred embodiment", "further embodiment", "other embodiments" or "specific example" etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In this specification, the schematic representations of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described may be combined in any one or more embodiments or examples in a suitable manner. In addition, those skilled in the art may combine and combine the different embodiments or examples described in this specification and the features of the different embodiments or examples, unless they are contradictory.
[0048] Although the embodiments of the present application have been shown and described above, it can be understood that the above embodiments are exemplary and cannot be understood as limitations on the present application. Ordinary technicians in this field can change, modify, replace and modify the above embodiments within the scope of the present application.
Claims
1. An optical fiber adapter capable of shielding interference signals, characterized in that: The invention comprises an adapter body, a connector and a shielding member, wherein the adapter body is provided with a connection chamber and an optical fiber connector arranged in the connection chamber, the optical fiber connector is provided with an optical fiber channel, and a first interface and a second interface are provided at both ends of the optical fiber connector, and the first interface and the second interface are connected through the optical fiber channel; the connector is connected to the adapter body through the first interface, and the shielding member is sleeved on the outside of the adapter body and is located at the connection between the connector and the first interface.
2. The optical fiber adapter capable of shielding interference signals according to claim 1, characterized in that: The shielding member is made of metal material; the shielding member comprises a first shell and a second shell that are matched and connected to each other, the first shell comprises a top plate and two first side plates, one end of the two first side plates are connected to the top plate, and the other end is protruded outward relative to the top plate, a first area is formed between the two first side plates, and the two first side plates are provided with a first connecting groove; The second shell includes a bottom plate and two second side plates, one end of each of the two second side plates is connected to the bottom plate, and the other end is protruding outward relative to the bottom plate, a second area is formed between the two second side plates, and each of the two second side plates is also provided with a first connecting block that matches and connects to the first connecting groove; when the first shell and the second shell are matched and connected, the first area and the second area are connected to form a accommodating area, and the adapter main body is located in the accommodating area.
3. The optical fiber adapter capable of shielding interference signals as claimed in claim 2, characterized in that: The adapter body is provided with a first side surface, and the first side surface is provided with a fixing column; the first side plate is provided with a first arc-shaped portion, and the second side plate is provided with a second arc-shaped portion, the first arc-shaped portion and the second arc-shaped portion are connected to form a first circular groove, and the fixing column is matched and connected with the first circular groove.
4. The optical fiber adapter capable of shielding interference signals as claimed in claim 2, characterized in that: Extensions are provided at both ends of the adapter body, and a first through hole is provided on the extension. The first shell includes a first baffle, and one of the first side plates is connected to the first baffle. The second shell includes a second baffle, and one of the second side plates is connected to the second baffle. Second through holes are provided on the first baffle and the second baffle. When the shielding member is connected to the adapter body, the first baffle and the second baffle are both connected to the side wall of the extension, and the first through hole is matched and connected with the second through hole.
5. The optical fiber adapter capable of shielding interference signals as claimed in claim 2, characterized in that: The first shell also includes a first connecting plate, the two ends of which are respectively connected to the two first side plates, and a third arc-shaped portion is provided on the first connecting plate. The second shell also includes a second connecting plate, the two ends of which are respectively connected to the two second side plates, and a fourth arc-shaped portion is also provided on the second connecting plate. The third arc-shaped portion and the fourth arc-shaped portion are connected to form a second circular groove, and the second circular groove is connected to the connector.
6. The optical fiber adapter capable of shielding interference signals according to claim 1, characterized in that: The shielding member includes a second circular groove, and the connector includes a connecting portion and a connecting head that are connected to each other. One end of the connecting head is also connected to the first interface of the optical fiber connector. When the shielding member is matched and connected to the adapter body, the second circular groove is matched and connected to the connecting portion.
7. The optical fiber adapter capable of shielding interference signals as claimed in claim 6, characterized in that: A fixing plate is provided in the adapter body, and the fixing plate is located in the connecting chamber and divides the connecting chamber into a first chamber and a second chamber. The first interface is located in the first chamber, and the second interface is located in the second chamber.
8. The optical fiber adapter capable of shielding interference signals as claimed in claim 7, characterized in that: The adapter body also includes a dust cover, which is located in the second chamber and is matched and connected with the second interface.
9. The optical fiber adapter capable of shielding interference signals as claimed in claim 7, characterized in that: The fixing plate is also provided with a first inverted hook portion and a second inverted hook portion, both of which are located in the first chamber and respectively located at the two ends of the optical fiber connector, and when the connector is connected to the first interface, the first inverted hook portion and the second inverted hook portion are both connected to the connector.
10. The optical fiber adapter capable of shielding interference signals as claimed in claim 6, characterized in that: A fixing plate is provided inside the adapter body, and the optical fiber connector is connected to the fixing plate. The adapter body also includes a sleeve that is matched and connected to the connecting portion. When the connector is connected to the adapter body, the sleeve is located in the optical fiber channel.