Optical fiber connector with push-pull unlocking and polarity replacement functions

Abstract

The invention relates to the technical field of optical fiber connectors, and particularly provides an optical fiber connector with push-pull unlocking and polarity replacement functions, which comprises a connector main body, a lever execution piece and a tail sleeve, and is characterized in that the connector main body is provided with a first elastic arm and a second elastic arm which extend along the length direction of the connector main body; the first elastic arm and the second elastic arm are symmetrically distributed; the connector rear body is rotationally connected with the connector main body, the two opposite sides of the connector rear body are provided with a rotating fulcrum and a buckling position respectively, and the first elastic arm or the second elastic arm is connected with the buckling position; the lever executing part is arranged on the rotating fulcrum, the two ends of the lever executing part can rotate around the rotating fulcrum, and the first elastic arm or the second elastic arm abuts against the lever executing part; the tail sleeve is in sliding connection with the connector rear body, a first inclined plane structure is arranged on the side, close to the lever execution piece, of the tail sleeve, and the tail sleeve is pushed and pulled to enable the first inclined plane structure to drive the lever execution piece to rotate so as to achieve locking or unlocking with the adapter.

Description

Technical Field

[0001] This application relates to the field of fiber optic connector technology, and more particularly to a fiber optic connector with push-pull unlocking and polarity reversal functions. Background Technology

[0002] Miniature multi-core connectors are widely used in high-density fiber optic cabling scenarios such as data centers and 5G communications. However, existing fiber optic connectors require pressing the connector body or latches directly to unlock after connecting the adapter, which is difficult to operate in confined spaces. During installation, it is necessary to ensure that the signal is transmitted on the correct fiber; otherwise, the polarity needs to be changed. Existing reversible polarity connectors often have a polarity-changing locking mechanism that is an additional, independent functional module. This not only increases the overall number of parts and structural complexity but also occupies valuable equipment space.

[0003] Therefore, there is an urgent need for a fiber optic connector with higher integration and easier operation. Summary of the Invention

[0004] In view of the shortcomings of the prior art, the purpose of this application is to provide a fiber optic connector with push-pull unlocking and polarity reversal functions, which aims to solve the problems of difficult unlocking operation of fiber optic connectors and complex equipment structure when using push-pull unlocking mechanism and polarity reversal locking mechanism in the prior art.

[0005] The technical solution adopted by this application to solve the technical problem is as follows: A fiber optic connector with push-pull unlocking and polarity reversal functions, comprising: A connector body for connecting an adapter, wherein the connector body is provided with a first elastic arm and a second elastic arm extending along the length direction of the connector body, and the first elastic arm and the second elastic arm are symmetrically distributed. The connector rear body is rotatably connected to the connector body. Rotation fulcrum and buckle for polarity change are respectively provided on opposite sides of the connector rear body. The first elastic arm or the second elastic arm is connected to the buckle to lock the connector rear body and the connector body. A lever actuator is disposed on the pivot point, and both ends of the lever actuator are rotatable around the pivot point. The first elastic arm or the second elastic arm abuts against the lever actuator. The tail sleeve is slidably connected to the rear body of the connector. A first inclined structure is provided on the side of the tail sleeve near the lever actuator. Pushing or pulling the tail sleeve causes the first inclined structure to drive the lever actuator to rotate, thereby locking or unlocking with the adapter.

[0006] Furthermore, the lever actuator includes a first end near the connector body and a second end near the tail sleeve. The second end has a second inclined structure on the side facing the first inclined structure. The second inclined structure abuts against the first inclined structure and forms a high pair mechanism, which converts the axial linear motion of the tail sleeve into the rotational motion of the lever actuator.

[0007] Furthermore, the first inclined structure is configured as a protrusion protruding from the outer wall of the tail sleeve, and the second inclined structure is configured as an inclined groove, inclined surface, or cam protruding from the outer wall of the lever actuator.

[0008] Furthermore, the connector body includes: Precursor; An intermediate body is connected to the front body by a snap-fit ​​connection. The front body and the intermediate body together form a hollow mounting cavity. The mounting cavity is provided with a core and a pin, and the core is connected to the pin. The first elastic arm and the second elastic arm are disposed on one side of the intermediate body.

[0009] Optionally, the rear wall of the connector is provided with a pair of side plates extending outward and arranged opposite each other. The two side plates are provided with the rotation fulcrum. The rotation fulcrum is configured as a through hole. The lever actuator is symmetrically provided with a protruding rotation shaft. The rotation shaft is provided with a chamfer. The rotation shaft is disposed in the through hole so that the lever actuator is rotatably disposed on the rear body of the connector.

[0010] Furthermore, both the ends of the first elastic arm and the second elastic arm are provided with locking buckles, and the locking buckles are provided with locking planes that abut against the buckle positions.

[0011] Furthermore, a central shaft extending toward the tail sleeve is provided on one side of the intermediate body, one end of the central shaft is movably disposed inside the tail sleeve, and the connector body can be displaced along the axial direction of the central shaft and rotated around the axis of the central shaft.

[0012] Optionally, at least one pair of auxiliary latches for locking polarity changes are provided on the outer side wall of the centerline shaft. The auxiliary latches are symmetrically arranged, and the rear body of the connector is provided with an auxiliary slot that matches the auxiliary latches. The auxiliary latches are engaged in the auxiliary slot to connect the connector body and the rear body of the connector.

[0013] Optionally, the mounting cavity is further provided with an ejection spring, which is in a compressed state and abuts against the front body and the intermediate body respectively, so as to make the front body pop out quickly.

[0014] Furthermore, the connector rear body is provided with at least one pair of limiting buckles on the side near the tail sleeve, and the tail sleeve is provided with a limiting groove that extends along the length direction of the tail sleeve. The limiting buckles are disposed in the limiting groove to keep the tail sleeve moving axially.

[0015] Compared with existing technologies, this application embodiment provides a symmetrical first and second elastic arms on the connector body. These arms, together with the connector rear body, form a push-pull unlocking mechanism and a polarity-changing mechanism, respectively, achieving a high degree of integration of the two functions and effectively reducing cost and assembly complexity. Specifically, a lever actuator is rotatably mounted on a pivot point on the side of the connector rear body. The elastic force of the first elastic arm supports the front end of the lever actuator, allowing it to engage with the adapter when connected. When unlocking is required, pushing or pulling the slidable tail sleeve converts its axial linear motion into rotational motion through the cooperation of the first inclined surface structure and the lever actuator, causing the front end of the lever actuator to disengage from the adapter. When polarity needs to be changed, pressing the second elastic arm in the latching position unlocks the connector body, making it movable. By flipping the connector body, the polarity-changing function is achieved. This application embodiment solves the problems of inconvenient insertion and removal of traditional connectors, complex reset mechanisms, and the independent polarity-changing locking mechanism in existing replaceable polarity connectors, which leads to an uncompact overall structure. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of a fiber optic connector with push-pull unlocking and polarity reversal functions according to an embodiment of this application; Figure 2 This is an exploded view of an optical fiber connector with push-pull unlocking and polarity reversal functions according to an embodiment of this application. Figure 3 This is a side view of an optical fiber connector with push-pull unlocking and polarity reversal functions according to an embodiment of this application; Figure 4 It is along Figure 3 Sectional view of AA; Figure 5 yes Figure 4 A magnified view of a portion of point B in the middle; Figure 6 yes Figure 5 A magnified view of a portion of point C in the middle; Figure 7 This is a schematic diagram of the connection state according to an embodiment of this application; Figure 8 This is a schematic diagram of the unlocked state according to an embodiment of this application; Figure 9 This is a schematic diagram of polarity reversal in an embodiment of this application; Figure 10 This is a schematic diagram of the structure of the connector rear body according to an embodiment of this application; Figure 11 This is a schematic diagram of the structure of an intermediate in an embodiment of this application.

[0017] Explanation of reference numerals in the attached figures: 10. Connector body; 11. Front body; 12. Intermediate body; 121. First elastic arm; 122. Second elastic arm; 123. Locking buckle; 13. Insert core; 14. Insert pin; 15. Central shaft; 151. Auxiliary buckle; 16. Exit spring; 20. Connector rear body; 21. Rotation fulcrum; 22. Buckle position; 23. Side plate; 24. Auxiliary slot; 25. Limiting buckle; 30. Lever actuator; 31. Second inclined surface structure; 32. Rotating shaft; 40. Tail sleeve; 41. First inclined surface structure; 42. Limiting slot. Detailed Implementation

[0018] The embodiments of this application are described in detail below. Examples of these embodiments are shown in the accompanying drawings, wherein the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain this application, and should not be construed as limiting this application.

[0019] In the description of this application, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are used only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation on this application. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of this application, unless otherwise stated, "a plurality of" means two or more.

[0020] In the description of this application, it should be noted that, unless otherwise expressly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection between two components. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0021] In existing technologies, fiber optic connectors require pressing the connector body or latch directly to unlock after connecting to the adapter, which is difficult to operate in narrow spaces. Therefore, related technologies usually set a push-pull unlocking structure on the top of the connector to achieve the effect of quick unlocking of the connector.

[0022] Secondly, multi-fiber connectors can terminate multiple optical fibers within a single interface, with one end used for transmitting signals and the other for receiving signals. During connection, it is necessary to ensure that the correct polarity of the optical fibers is connected in order to achieve a connection. Existing fiber connectors with polarity switching mechanisms achieve polarity switching by flipping the front end of the connector. However, polarity switching mechanisms and push-pull unlocking mechanisms are usually quite complex and have many parts, making it difficult to integrate the two into the same fiber connector, which cannot meet the user's need for convenience.

[0023] In this regard, such as Figure 1 As shown in the embodiments of this application, a fiber optic connector with push-pull unlocking and polarity reversal functions is proposed, including a connector body 10, a connector rear body 20, a lever actuator 30, and a tail sleeve 40. The fiber optic connector proposed in this application is convenient and reliable to operate. The push-pull unlocking structure allows for insertion and removal with a single hand push and pull, and the self-resetting mechanism ensures reliable locking. The polarity reversal locking mechanism is not added independently, but is derived from a symmetrical elastic structure and is highly integrated with the push-pull unlocking mechanism, achieving functional integration, greatly reducing the number of parts in the fiber optic connector, and lowering assembly costs.

[0024] like Figures 1 to 3 as well as Figure 11 As shown, the connector body 10 is used to connect an adapter and has at least two optical fibers inside. The connector body has a first elastic arm 121 and a second elastic arm 122 extending along the length of the connector body 10. The first elastic arm 121 and the second elastic arm 122 are symmetrically distributed. The first elastic arm 121 and the second elastic arm 122 are symmetrically arranged along the narrow side of the optical fiber connector. This makes the internal structure of the connector compact and reduces the volume of the optical fiber connector. The first elastic arm 121 and the second elastic arm 122 are integrally formed with the connector body 10 through injection molding, and are configured as long plates, giving the first elastic arm 121 and the second elastic arm 122 the elasticity of the plastic parts themselves.

[0025] like Figure 5 and Figure 6As shown, the connector rear body 20 is rotatably connected to the connector body 10. The connector rear body 20 has a rotation fulcrum 21 and a buckle 22 for polarity reversal on opposite sides. The first elastic arm 121 or the second elastic arm 122 is connected to the buckle 22, so that the connector rear body 20 and the connector body 10 are in a locked state. The locked state means that the connector body 10 and the connector rear body 20 cannot rotate relative to each other.

[0026] The rotating pivot 21 and the latch 22 are both located on both sides of the narrow side of the connector and are integrally formed with the rear body 20 of the connector. This effectively reduces the thickness of the fiber optic connector and the complexity of its internal components.

[0027] like Figure 4 As shown, the lever actuator 30 is disposed on the rotation fulcrum 21, and both ends of the lever actuator 30 can rotate around the rotation fulcrum 21. The first elastic arm 121 or the second elastic arm 122 abuts against the lever actuator 30. Specifically, the lever actuator 30 is located outside the first elastic arm 121 or the second elastic arm 122, and the two elastic arms support the side of the lever actuator 30 closest to the connector body 10. When the first elastic arm 121 abuts against the inner side of the lever actuator 30, the first elastic arm 121... The elastic force of the first elastic arm 121 keeps the lever actuator 30 firmly locked inside the adapter. The second elastic arm 122 is connected to the latch 22, keeping the connector body 10 and the connector rear body 20 fixed. Conversely, after the polarity is reversed, the middle part and the tail sleeve 40 rotate 180°, and the second elastic arm 122 abuts against the inside of the lever actuator 30. The elastic force of the second elastic arm 122 keeps the lever actuator 30 firmly locked inside the adapter. At this time, the first elastic arm 121 is connected to the latch 22, realizing the locking of the polarity reversal structure.

[0028] like Figure 5 and Figure 8 As shown, the tail sleeve 40 is slidably connected to the rear body 20 of the connector. A first inclined surface structure 41 is provided on the side of the tail sleeve 40 near the lever actuator 30. Pushing or pulling the tail sleeve 40 causes the first inclined surface structure 41 to drive the lever actuator 30 to rotate, thereby locking or unlocking it with the adapter. The first inclined surface structure 41 converts the axial linear motion of the tail sleeve 40 into the rotational motion of the lever actuator 30, resulting in a shorter transmission path, faster action response, more direct and efficient force transmission, and higher operating efficiency.

[0029] In the initial state, the first inclined structure 41 and the elastic arm are located on both sides of the rotation fulcrum 21, and the first inclined structure 41 is set close to the connector body. When the tail sleeve 40 is pulled back, the first inclined structure 41 contacts the lever actuator 30, lifts the rear end of the lever actuator 30, and the front end of the lever actuator 30 overcomes the elastic force of the first elastic arm 121 and rotates inward, thereby disengaging from the adapter.

[0030] The working principle of the push-pull unlocking mechanism of the fiber optic connector in this embodiment is as follows: Figure 7 and Figure 8 As shown, when the tail sleeve 40 is pulled axially backward, the first inclined structure 41 on the tail sleeve 40 pushes one side of the lever actuator 30, causing the lever actuator 30 to rotate around the pivot point 21. Its front end disengages from the adapter, while simultaneously compressing and deforming the first elastic arm 121. When connecting the adapter, the tail sleeve 40 is released, the first elastic arm 121 recovers its deformation, and pushes the lever actuator 30 to rotate in the opposite direction and reset. Its front end engages with the adapter, while its rear end pushes the first inclined structure 41 inward, causing the tail sleeve 40 to automatically reset. This achieves push-pull locking, unlocking, and self-resetting functions without the need for spring components. The first inclined structure 41 and the rotatable lever actuator 30 directly convert the axial movement of the tail sleeve 40 into the rotational torque of the lever actuator 30, thus efficiently realizing the push-pull-rotation action and greatly accelerating the efficiency of workers installing and disassembling fiber optic connectors.

[0031] The working principle of the polarity switching mechanism of the fiber optic connector in this embodiment is as follows: Figure 9 As shown, pressing the end of the second elastic arm 122 in the latch 22 disengages it from the latch 22, causing the fiber optic connector to change from the locked state to the active state. This allows the connector body 20 and tail sleeve 40 to be pulled out and rotated 180°, thus reversing the position of the optical fiber in the connector body 10 and completing the polarity change. The second elastic arm 122 is the core and hub for realizing the polarity change operation.

[0032] This application innovatively incorporates a symmetrical elastic structure on the intermediate body 12. The first elastic arm 121 serves as a push-pull reset component, while the second elastic arm 122 is dedicated to constructing the locking latch 123 required for polarity switching. This allows the core structural component to not only perform the insertion / removal function but also become the supporting structure for the polarity switching function. During polarity switching, even if the front connector body 10 is flipped, the symmetrical arrangement of the first and second elastic arms 121 allows the first elastic arm 121 to directly engage the latch 22, locking the polarity switching function. The elasticity of the second elastic arm 122 also provides elasticity to the lever actuator 30, enabling push-pull unlocking and self-resetting functions. This significantly improves the versatility of the internal components of the fiber optic connector, greatly reducing the number of parts and lowering costs and assembly complexity while maintaining multiple functions.

[0033] like Figure 4 and Figure 5 As shown, the lever actuator 30 includes a first end near the connector body 10 and a second end near the tail sleeve 40. A second inclined structure 31 is provided on the side of the second end facing the first inclined structure 41. The second inclined structure 31 abuts against the first inclined structure 41 and forms a higher pair mechanism, converting the axial linear motion of the tail sleeve 40 into the rotational motion of the lever actuator 30. Specifically, the higher pair mechanism can be a cam mechanism, such as... Figure 5 As shown, the first inclined structure 41 is configured as a protrusion protruding from the outer wall of the tail sleeve 40, and the second inclined structure 31 is configured as an inclined groove, inclined surface, or cam protruding from the outer wall of the lever actuator 30.

[0034] The inclined plane can be a planar inclined plane or an arc-shaped inclined plane. The first inclined plane structure 41 and the second inclined plane structure 31 can be interchanged. It is understood by those skilled in the art that different operating forces and strokes can be satisfied by changing the angles of the first inclined plane structure 41 and the second inclined plane structure 31.

[0035] like Figure 2 As shown, the connector body 10 includes a front body 11 and an intermediate body 12. The front body 11 is a rectangular shell with a through-hole in its middle. The intermediate body 12 is connected to the front body 11 by a snap-fit ​​connection. The front body 11 and the intermediate body 12 together form a hollow mounting cavity. The mounting cavity contains a ferrule 13 and a pin 14, and the ferrule 13 is connected to the pin 14. The first elastic arm 121 and the second elastic arm 122 are disposed on one side of the intermediate body 12.

[0036] like Figure 1 and Figure 10 As shown, the sidewall of the connector rear body 20 is provided with a pair of outwardly extending and oppositely arranged side plates 23. Each of the two side plates 23 is provided with a rotation fulcrum 21, which is configured as a through hole. The lever actuator 30 is symmetrically provided with protruding rotating shafts 32, which are chamfered. The rotating shafts 32 are disposed in the through holes, allowing the lever actuator 30 to be rotatably mounted on the connector rear body 20. The chamfer facilitates the installation of the rotating shafts 32 in the through holes. The rotating shafts 32 are integrally formed protrusions on the lever actuator 30, and their low friction allows the lever actuator 30 to rotate.

[0037] like Figure 2As shown, both the first elastic arm 121 and the second elastic arm 122 are provided with locking buckles 123 at their ends. Each locking buckle 123 has a locking surface that abuts against the latch 22. The locking buckle 123 can cooperate with the corresponding latch 22 inside the tail sleeve 40. When changing polarity, the user presses the corresponding position of the second elastic arm 122, causing its locking buckle 123 to disengage from the latch 22 of the tail sleeve 40. This allows the tail sleeve 40 and the connector rear body 20 to be pulled out and rotated 180°, then pushed back in and locked, thus achieving rapid switching of the fiber optic connector polarity.

[0038] To enhance structural guidance and connection stability, such as Figure 2 As shown, the intermediate body 12 is also provided with a central shaft 15 extending toward the tail sleeve 40. One end of the central shaft 15 is movably disposed inside the tail sleeve 40, so that the connector body 10 or the connector rear body 20 can be displaced along the axial direction of the central shaft 15 and rotated around its axis, thereby changing the polarity.

[0039] In order to Figure 1 and Figure 2 As shown, at least one pair of auxiliary buckles 151 for locking polarity changes are also provided on the outer wall of the centerline shaft. The auxiliary buckles 151 are symmetrically arranged. The connector rear body 20 is provided with an auxiliary slot 24 that matches the auxiliary buckles 151. The auxiliary buckles 151 are fastened in the auxiliary slot 24 to connect the connector body 10 and the connector rear body 20, thereby enhancing the connection strength between the connector body 10 and the connector rear body 20 in the locked state.

[0040] To quickly replace and maintain the ferrule 13 and optical fiber in the precursor 11, such as Figure 4 As shown, the mounting cavity is also provided with a release spring 16. The release spring 16 is in a compressed state and abuts against the front body 11 and the intermediate body 12 respectively. Since the front body 11 and the intermediate body 12 are fastened together, when the buckle is pressed, the elastic force of the release spring 16 can quickly push out the front body 11, so as to realize quick replacement.

[0041] like Figure 2 As shown, the connector rear body 20 is provided with at least one pair of limiting buckles 25 on the side near the tail sleeve 40. The tail sleeve 40 is provided with a limiting groove 42, which extends along the length direction of the tail sleeve 40. The limiting buckles 25 are disposed in the limiting groove 42 to keep the tail sleeve 40 moving axially. The limiting buckles 25 on the connector rear body 20 are disposed in the limiting groove 42, so that the tail sleeve 40 can move along its axial direction without falling out, making the structure more compact. Specifically, the limiting buckles 25 are disposed on the side of the connector rear body 20 with a larger area.

[0042] This embodiment of the application provides symmetrical first elastic arms 121 and second elastic arms 122 on the connector body 10. The first elastic arms 121 and second elastic arms 122 on both sides, together with the connector rear body 20, constitute a push-pull unlocking mechanism and a polarity switching mechanism, respectively. This highly integrates the two functions, effectively reducing costs and assembly complexity. The second elastic arm 122 is not an independently added component, but is symmetrically designed with the first elastic arm 121 and integrally formed on the intermediate body 12. This design allows the same elastic structure to perform both the reset function and the polarity switching locking mechanism, realizing the functional reuse of core structural components, significantly reducing the number of parts, and improving the overall structural compactness and reliability.

[0043] Specifically, the lever actuator 30, located on the side of the connector rear body 20, is rotatably mounted on the rotation fulcrum 21. The elastic force of the first elastic arm 121 supports the front end of the lever actuator 30. When connected to the adapter, it can be fastened into the adapter. When unlocking is required, pushing and pulling the slidable tail sleeve 40 converts the axial linear movement of the tail sleeve 40 into the rotational movement of the lever actuator 30 through the cooperation of the first inclined structure 41 and the lever actuator 30, causing the front end of the lever actuator 30 to exit the adapter. When changing the polarity, pressing the second elastic arm 122 in the latch 22 unlocks the connector body 10, making the connector body 10 movable. By flipping the connector body 10, the polarity changing function is realized. This embodiment solves the problems of inconvenient insertion and removal of traditional connectors, complex reset mechanisms, and the independent polarity changing locking mechanism in existing replaceable polarity connectors, which leads to an uncompact overall structure.

[0044] In summary, this embodiment integrates a symmetrically integrally formed double elastic arm, a rotatable lever actuator 30, and a tail sleeve 40 with an inclined plane transmission structure. This allows the same set of core structural components to simultaneously and in a time-sharing manner perform the self-resetting function of push-pull unlocking and the locking function of polarity reversal. While achieving core advantages such as convenient operation, reliable locking, and rapid polarity reversal, this design also achieves the overall technical effect of extremely simplified structure, significantly reduced number of parts, and significantly reduced assembly costs. It is especially suitable for fiber optic cabling scenarios with high density and high flexibility requirements.

[0045] It should be understood that the application of this application is not limited to the examples above. Those skilled in the art can make improvements or modifications based on the above description, and all such improvements and modifications should fall within the protection scope of the appended claims.

Claims

1. A fiber optic connector with push-pull unlocking and polarity reversal functions, characterized in that, include: A connector body for connecting an adapter, the connector body having a first elastic arm and a second elastic arm extending along the length direction of the connector body, the first elastic arm and the second elastic arm being symmetrically distributed; The connector rear body is rotatably connected to the connector body. Rotation fulcrum and buckle for polarity change are respectively provided on opposite sides of the connector rear body. The first elastic arm or the second elastic arm is connected to the buckle to lock the connector rear body and the connector body. A lever actuator is disposed on the pivot point, and both ends of the lever actuator are rotatable around the pivot point. The first elastic arm or the second elastic arm abuts against the lever actuator. The tail sleeve is slidably connected to the rear body of the connector. A first inclined structure is provided on the side of the tail sleeve near the lever actuator. Pushing or pulling the tail sleeve causes the first inclined structure to drive the lever actuator to rotate, thereby locking or unlocking with the adapter.

2. The fiber optic connector with push-pull unlocking and polarity reversal functions according to claim 1, characterized in that, The lever actuator includes a first end near the connector body and a second end near the tail sleeve. A second inclined structure is provided on the side of the second end facing the first inclined structure. The second inclined structure abuts against the first inclined structure and forms a high pair mechanism, which converts the axial linear motion of the tail sleeve into the rotational motion of the lever actuator.

3. The fiber optic connector with push-pull unlocking and polarity reversal functions according to claim 2, characterized in that, The first inclined structure is configured as a protrusion protruding from the outer wall of the tail sleeve, and the second inclined structure is configured as an inclined groove, inclined surface, or cam protruding from the outer wall of the lever actuator.

4. The fiber optic connector with push-pull unlocking and polarity reversal functions according to claim 1, characterized in that, The connector body includes: Precursor; An intermediate body is connected to the front body by a snap-fit ​​connection. The front body and the intermediate body together form a hollow mounting cavity. The mounting cavity is provided with a core and a pin, and the core is connected to the pin. The first elastic arm and the second elastic arm are disposed on one side of the intermediate body.

5. The fiber optic connector with push-pull unlocking and polarity reversal functions according to claim 1, characterized in that, The rear body of the connector has a pair of side plates that extend outward and are arranged opposite each other. The two side plates are provided with the rotation fulcrum. The rotation fulcrum is configured as a through hole. The lever actuator is symmetrically provided with a protruding rotation shaft. The rotation shaft is provided with a chamfer. The rotation shaft is disposed in the through hole so that the lever actuator is rotatably disposed on the rear body of the connector.

6. The fiber optic connector with push-pull unlocking and polarity reversal functions according to claim 1, characterized in that, Both the first elastic arm and the second elastic arm are provided with locking buckles at their ends, and the locking buckles are provided with locking surfaces that abut against the buckles.

7. The fiber optic connector with push-pull unlocking and polarity reversal functions according to claim 4, characterized in that, One side of the intermediate body is provided with a central shaft extending toward the tail sleeve. One end of the central shaft is movably disposed inside the tail sleeve. The connector body can be displaced along the axial direction of the central shaft and rotated around the axis of the central shaft.

8. The fiber optic connector with push-pull unlocking and polarity reversal functions according to claim 7, characterized in that, The outer wall of the central shaft is also provided with at least one pair of auxiliary buckles for locking polarity change. The auxiliary buckles are symmetrically arranged. The rear body of the connector is provided with an auxiliary slot that matches the auxiliary buckles. The auxiliary buckles are fastened in the auxiliary slot to connect the connector body and the rear body of the connector.

9. The fiber optic connector with push-pull unlocking and polarity reversal functions according to claim 4, characterized in that, The mounting cavity is also equipped with a release spring, which is in a compressed state and abuts against the front body and the intermediate body respectively, so that the front body can be ejected quickly.

10. The fiber optic connector with push-pull unlocking and polarity reversal functions according to claim 1, characterized in that, The connector rear body is provided with at least one pair of limiting buckles on the side near the tail sleeve. The tail sleeve is provided with a limiting groove, which extends along the length direction of the tail sleeve. The limiting buckles are disposed in the limiting groove to keep the tail sleeve moving axially.

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