LC connector assembly with interchangeable polarity and cable sheath release
By setting up a flip assembly between the front and rear housings of the LC connector, the ferrule position switching is achieved, which solves the problems of inconvenient operation and complex polarity exchange of existing LC connectors in high-density application scenarios, improves the flexibility and adaptability of the connector, and simplifies the operation process.
Patent Information
- Application Number
- CN202520566404.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-28
- Publication Date
- 2025-05-06
- Estimated Expiration
- 2035-03-28
AI Technical Summary
In high-density application scenarios, existing LC connectors have problems such as inconvenience in operation and complex polarity swap, resulting in increased space occupation and waste of resources.
An LC connector assembly with interchangeable polarity and cable sheath release is designed, and the ferrule position switching is achieved by providing a flip assembly between the front and rear housings, thereby quickly switching polarity.
The design improves connector flexibility and adaptability, simplifies operational processes, reduces time and costs, and avoids waste of resources.
Smart Images
Figure CN222838226U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a transmission cable, in particular to an LC connector component with interchangeable polarity and optical cable sheath release. Background Art
[0002] LC connectors are widely used in the field of fiber-optic communications due to their small size, stable performance, and reliable plugging and unplugging, especially in scenarios such as data centers, telecommunications rooms, local area networks (LANs), and fiber-to-the-home (FTTH). In high-density wiring environments such as data centers, the compact design of LC connectors makes them an ideal solution, which can effectively save space and support high-density port layout. In addition, LC connectors are also commonly used in equipment such as fiber jumpers, optical modules, and fiber distribution frames to provide reliable optical connection support for high-speed data transmission. With the rapid development of 5G communications, cloud computing, and big data technologies, the demand for high-density wiring continues to increase, and the importance of LC connectors has become increasingly prominent.
[0003] However, existing LC connectors still have significant defects in high-density application scenarios. First, in small spaces such as data centers, due to inconvenient operation, it is usually necessary to use unlocking accessories with pull rods to achieve connector removal. However, this design with a push-pull rod increases the overall thickness of the connector, which may even exceed the height of the adapter, further aggravating the problem of space congestion and making it difficult to meet the needs of high-density environments. Secondly, during the use of traditional LC duplex connectors, if the polarity is reversed, the entire connector needs to be disassembled before it can be interchanged again, which is complicated and time-consuming. In actual work, technicians often choose to directly cut off the connector and replace it with a new one, which not only increases material costs, but also causes waste of resources. Improvements are urgently needed to improve operational convenience and economy. Utility Model Content
[0004] In view of the deficiencies of the prior art, the utility model provides an LC connector assembly with interchangeable polarity and optical cable sheath release.
[0005] To achieve the above-mentioned purpose, the technical solution of the utility model is as follows: an LC connector assembly with interchangeable polarity and cable sheath release, comprising a front shell and a rear shell that are fixed to each other in a detachable manner, a flip assembly is arranged between the front shell and the rear shell, a limit member and a reset member are arranged on the front shell, the flip assembly is locked with the front shell through the limit member, a locking member is arranged on the side of the rear shell facing the front shell, the rear shell is detachably connected with the rear shell, the flip assembly and the front shell at the same time through the locking member, when the locking member releases the locking of the flip assembly and the front shell, the limit member releases the locking state between the flip assembly and the front shell under the action of the reset member, the flip assembly is flipped 180° when in the disassembled state and the rear shell, the flip assembly and the front shell are locked again through the locking member to achieve polarity exchange.
[0006] The beneficial effects of the utility model are as follows: by arranging a flip assembly between the front and rear shells, and two plugs are arranged at one end of the flip assembly facing the front shell, when the polarity needs to be interchanged, the locking member on the rear shell can be used to release the lock on the flip assembly and the front shell, and at the same time, the limit member on the front shell releases the locking state between the flip assembly and the front shell under the action of the reset member, so that the flip assembly can be flipped 180° when in the split state, and then the locking member is used again to achieve the locking between the rear shell, the flip assembly and the front shell, so as to conveniently adjust the position of the two plugs inserted into the front shell, thereby achieving rapid switching of polarity and improving the flexibility and adaptability of the connector. In addition, the design of the above-mentioned flip assembly makes the operation more convenient, without the need to replace the connector or rewire, reducing the relevant operation process, thereby saving time and cost.
[0007] As a preferred method, the parts in the flip assembly can be manually rotated to complete the position change. During the specific operation, the user only needs to unlock the locking part on the rear shell and then rotate the flip assembly to the desired position. The operation is simple and easy to use.
[0008] In another preferred embodiment, the limit member and the reset member of the flip assembly are designed with a spring structure. When the locking member is unlocked, the reset member can automatically push the limit member out of the locked state. No additional manual operation is required to unlock the limit member, which further simplifies the operating steps and improves the convenience of use.
[0009] Furthermore, the locking member includes a first hook portion and a push-to-unlock portion that can be abutted against the limiting member, a conduction rod is arranged between the first hook portion and the push-to-unlock portion, and a lever action between the first hook portion and the push-to-unlock portion is realized through the conduction rod, the first hook portion and the reset member respectively abut against the upper and lower sides of the limiting member and the force exerted by the first hook portion on the limiting member is greater than the force exerted by the reset member on the limiting member.
[0010] By providing a first hook and a push-to-unlock portion, and utilizing the lever principle to realize the locking and unlocking functions, not only is the reliability of the locking enhanced, but the unlocking operation is also made more labor-saving. This design is particularly suitable for scenarios where frequent switching of polarity is required, and can significantly improve the user experience. As a preferred embodiment, an elastic conduction rod can be provided between the first hook and the push-to-unlock portion. When the unlocking portion is pressed, the conduction rod is deformed and transmits force to the first hook, causing it to quickly disengage from the limiter. In another preferred embodiment, the end of the first hook can be designed to be in the shape of a slope, so that it is easier to slide out of the limiter when unlocking, thereby reducing friction and improving unlocking efficiency.
[0011] Furthermore, the locking member also includes a second hook that can form a locking relationship with the front shell body, and the front shell body includes a control rod that is arranged corresponding to the number of plug cores and is used to form a stable connection between the plug cores and the external adapter. The side of the control rod close to the rear shell body can rotate relatively and a locking rod is arranged between the two control rods, and the locking rod can form a locking relationship with the second hook portion.
[0012] By increasing the locking relationship between the second hook and the front shell, the overall stability of the connector is further improved, especially in a high-vibration environment, which can effectively prevent accidental unlocking. At the same time, the matching design of the control rod and the locking rod makes the connection between the plug and the external adapter more stable, reducing the risk of signal transmission interruption. As a preferred embodiment, the locking rod can be designed as a threaded structure, and the second hook is placed on it to achieve locking with the locking rod, thereby effectively preventing the second hook from falling out. In another preferred embodiment, a rubber gasket can be provided at the end of the control rod to enhance the sealing and anti-slip performance when in contact with the external adapter.
[0013] Furthermore, the stop shell and the front shell are respectively provided with a first limit groove and a second limit groove for placing the limit member, the first limit groove is provided with a locking boss that makes the opening of the first limit groove smaller, the limit member includes a locking part and an unlocking part and only the unlocking part can pass through the opening between the first limit grooves shortened by the locking boss, and after the first hook part releases the abutment relationship with the limit member, the reset member pushes the locking part and the locking boss to be displaced from each other.
[0014] By providing the first limiting groove and the second limiting groove, combined with the design of the locking boss, the stability of the limiting member in the locked state is ensured, and misoperation caused by external force is avoided. In addition, this design also makes the installation and removal of the limiting member more convenient, which is helpful for maintenance and replacement of parts. As a preferred embodiment, the unlocking portion of the limiting member can be designed as an arc surface to reduce resistance when entering the first limiting groove and improve the smoothness of operation.
[0015] Furthermore, the reset member is a reset spring abutting against the limiting member, and an abutting groove is provided at one end of the limiting member corresponding to the reset member abutting against it, and one end of the reset member is fixed on the front shell body and the other end abuts against the abutting groove.
[0016] In the above structure, by setting the reset member as a reset spring that abuts against the limit member, and correspondingly setting an abutment groove on the limit member, one end of the reset spring is fixed on the front shell, and the other end stably abuts against the abutment groove, thereby achieving compactness and stability of the structure. This design can not only effectively reduce the looseness and wear between components and improve the service life of the overall device, but also provide more precise positioning and reliable elastic support during the reset process, ensuring the stability and consistency of the limit member during movement. In addition, the design of the abutment groove further enhances the contact reliability between the reset spring and the limit member, avoids the misalignment problem caused by external force or vibration, thereby improving the performance and user experience of the product, while facilitating assembly and maintenance and reducing production costs.
[0017] Furthermore, the flip assembly also includes an insert sleeve for sleeve the insert inside the insert sleeve, and the insert sleeve has a gradually narrowing aperture from one end connected to the stopper shell toward one end of the front shell; the inside of the insert sleeve is in a dodecagonal shape on one side close to the front shell to prevent the insert from shrinking.
[0018] By providing the ferrule sleeve, not only can the ferrule be protected from the influence of the external environment, but also the ferrule can be accurately inserted into the front housing through the design of the tapered aperture, thereby improving the assembly accuracy. In addition, the dodecagonal design inside the ferrule sleeve further enhances the positioning ability of the ferrule and reduces the possibility of the ferrule being offset during use. As a preferred embodiment, the tapered portion of the ferrule sleeve can be polished to reduce the friction when the ferrule is inserted. In another preferred embodiment, the dodecagonal inner wall of the ferrule sleeve can be coated with a wear-resistant coating to extend its service life and maintain long-term positioning accuracy. BRIEF DESCRIPTION OF THE DRAWINGS
[0019] Figure 1 It is an axonometric diagram of an embodiment of the utility model;
[0020] Figure 2 This is a disassembly diagram of an embodiment of the utility model;
[0021] Figure 3 This is a disassembly diagram of the flip assembly, the limiter and the resetter of the embodiment of the utility model;
[0022] Figure 4 This is a partial enlarged view of the locking member of the embodiment of the utility model;
[0023] Figure 5This is a schematic diagram of the cooperation between the stop housing and the limiting member in the embodiment of the utility model when they are in a locked state;
[0024] Figure 6 This is a schematic diagram of the cooperation between the stop housing and the limiting member in the unlocked state according to the embodiment of the utility model;
[0025] Figure 7 This is an internal view of the ferrule sleeve of the embodiment of the utility model;
[0026] Figure 8 The present invention is a schematic diagram of a core insert position replacement process according to an embodiment of the present invention. DETAILED DESCRIPTION
[0027] The utility model embodiment provides an LC connector assembly with interchangeable polarity and cable sheath release. Figure 1-8 As shown: it includes a heat shrink tube 1, a front shell 2 and a rear shell 3, wherein the front shell 2 is used to connect to an external adapter, and the rear shell 3 is fixed to the front shell 2 in a detachable manner. A flip assembly 4 is arranged between the front shell 2 and the rear shell 3, and the function of the flip assembly 4 is to achieve the polarity exchange of the plug 41. Specifically, two plugs 41 are arranged at one end of the flip assembly 4 facing the front shell 2, and the two plugs 41 will be exposed outside the front shell 2 after assembly. When the polarity needs to be changed, the positions of the two plugs 41 can be exchanged by the flip assembly 4.
[0028] The flip assembly 4 includes a stop housing 42, a limiter 24 and a reset member 25. The stop housing 42 can rotate relative to the heat shrink tube 1, and is locked with the front housing 2 through the limiter 24. A locking member 5 is provided on the side of the rear housing 3 facing the front housing 2, and the locking member 5 is detachably connected with the stop housing 42 and the front housing 2 through its first hook 51 and second hook 54. When unlocking is required, the press-unlocking portion 52 on the locking member 5 is pressed, and the first hook 51 releases the abutment relationship with the limiter 24 through the action of the conduction rod 53. At this time, the reset member 25 pushes the limiter 24 to move, thereby releasing the locking state between the stop housing 42 and the front housing 2. This design allows users to easily disassemble and reassemble the front housing 2 and the rear housing 3.
[0029] In the specific structure of the locking member 5, the first hook 51 and the push-to-unlock part 52 form a lever effect through the conductive rod 53, the first hook 51 and the reset member 25 are respectively located on the upper and lower sides of the limit member 24, and the force of the first hook 51 on the limit member 24 is greater than the force of the reset member 25, so as to ensure that the locking state is maintained under normal conditions. In addition, the locking member 5 also includes a second hook 54, which can form a locking relationship with the lock rod 23 on the front housing 2. Two control rods 22 are arranged inside the front housing 2, and the side of these control rods 22 close to the rear housing 3 can rotate relatively, and the locking function is realized by the lock rod 23, which is also arranged on the side close to the rear housing 3 and located between the two control rods 22, cooperating with the second hook 54.
[0030] The first limiting groove 421 and the second limiting groove 21 are respectively provided on the stopper housing 42 and the front housing 2 of the flip assembly 4, for placing the limiting member 24. The first limiting groove 421 is also provided with a locking boss 422 for limiting the moving range of the limiting member 24. The limiting member 24 includes a locking portion 241 and an unlocking portion 242, and only the unlocking portion 242 can pass through the shortened opening of the locking boss 422. When the first hook portion 51 releases the abutment relationship with the limiting member 24, the reset member 25 pushes the locking portion 241 and the locking boss 422 to be misaligned, thereby releasing the locked state. The reset member 25 is a reset spring fixed to the front housing 2, which always abuts against the abutment groove 243 of the limiting member 24 to provide a restoring force.
[0031] The flip assembly 4 also includes an ferrule sleeve 43, and the ferrule 41 is installed in the ferrule sleeve 43. The ferrule sleeve 43 has a gradually decreasing aperture from one end connected to the stopper housing 42 toward one end of the front housing 2, and the inner side close to the front housing 2 is designed in a dodecagonal shape to better fix the ferrule 41 and reduce shaking.
[0032] The working principle of the above embodiment is as follows: when the polarity of the plug 41 needs to be changed, the user first presses the push-to-unlock portion 52 of the locking member 5, and through the action of the conduction rod 53, the first hook 51 releases the lock on the limit member 24. At this time, the reset member 25 pushes the limit member 24 to move, so that the locking portion 241 and the locking boss 422 are misaligned, thereby releasing the locking state between the stop shell 42 and the front shell 2; and the two control rods 22 need to be pressed at the same time to release the locking state between the locking rod 23 and the second hook 54. Then, the user pulls out the front shell 2 and the rear shell 3 respectively, so that the stop shell 42 is partially exposed, and then the stop shell 42 can be rotated to drive the plug 41 to change position. The above process can be reversed to achieve locking. The whole process is easy to operate and can quickly achieve the polarity change of the plug 41.
[0033] The above embodiment is only one of the preferred specific embodiments of the present invention. Common changes and substitutions made by those skilled in the art within the technical solution of the present invention are all included in the protection scope of the present invention.
Claims
1. An LC connector assembly with interchangeable polarity and cable sheath release, comprising a front housing (2) and a rear housing (3) fixed to each other in a detachable manner, characterized in that: A flip assembly (4) is arranged between the front shell (2) and the rear shell (3); a limiting member (24) and a reset member (25) are arranged on the front shell (2); the flip assembly (4) is locked with the front shell (2) through the limiting member (24); a locking member (5) is arranged on a side of the rear shell (3) facing the front shell (2); the rear shell (3) is detachably connected with the rear shell (3), the flip assembly (4) and the front shell (2) through the locking member (5); when the locking member (5) releases the locking of the flip assembly (4) and the front shell (2), the limiting member (24) releases the locking state between the flip assembly (4) and the front shell (2) under the action of the reset member (25); when the flip assembly (4) is in a disassembled state, it flips 180 degrees and again locks the rear shell (3), the flip assembly (4) and the front shell (2) through the locking member (5) to achieve polarity exchange.
2. The LC connector assembly with interchangeable polarity and cable jacket release according to claim 1, characterized in that: The locking member (5) comprises a first hook portion (51) and a push-release portion (52) which can be pressed against the limiting member (24); a transmission rod (53) is provided between the first hook portion (51) and the push-release portion (52); a lever action between the first hook portion (51) and the push-release portion (52) is achieved through the transmission rod (53); the first hook portion (51) and the reset member (25) respectively press against upper and lower sides of the limiting member (24); and a force exerted by the first hook portion (51) on the limiting member (24) is greater than a force exerted by the reset member (25) on the limiting member (24).
3. The LC connector assembly with interchangeable polarity and cable jacket release according to claim 2, characterized in that: The locking member (5) further comprises a second hook portion (54) capable of forming a locking relationship with the front housing (2); the front housing (2) comprises a control rod (22) arranged in a corresponding number to the number of the plug cores (41) and used to form a stable connection between the plug cores (41) and the external adapter; a side of the control rod (22) close to the rear housing (3) is relatively rotatable and a locking rod (23) is arranged between the two control rods (22); the locking rod (23) can form a locking relationship with the second hook portion (54).
4. The LC connector assembly with interchangeable polarity and cable jacket release according to claim 2, characterized in that: The flip assembly (4) comprises a stopper housing (42); a first limit groove (421) and a second limit groove (21) for placing a limiter (24) are respectively provided on the stopper housing (42) and the front housing (2); a locking boss (422) is provided on the first limit groove (421) for reducing the opening of the first limit groove (421); the limiter (24) comprises a locking portion (241) and an unlocking portion (242); and only the unlocking portion (242) can pass through the opening of the first limit groove (421) shortened by the locking boss (422); and after the first hook portion (51) releases the abutment relationship with the limiter (24), the reset member (25) pushes the locking portion (241) and the locking boss (422) to be displaced from each other.
5. The LC connector assembly with interchangeable polarity and cable jacket release according to claim 4, characterized in that: The reset member (25) is a reset spring that abuts against the limiting member (24); an end of the limiting member (24) corresponding to the reset member (25) abutting against it is provided with an abutting groove (243); one end of the reset member (25) is fixed to the front housing (2) and the other end abuts against the abutting groove (243).
6. The LC connector assembly with interchangeable polarity and cable jacket release according to claim 1, characterized in that: The flip assembly (4) further comprises an insert sleeve (43) for sleeve-mounting the insert (41) therein, the insert sleeve (43) having a gradually decreasing aperture from one end connected to the stop shell (42) toward one end of the front shell (2); the inside of the insert sleeve (43) is arranged in a dodecagonal shape on one side close to the front shell (2) to prevent the insert (41) from shrinking.