Optical fiber connector

Abstract

The utility model discloses an optical fiber connector, relates to the optical fiber communication technology field, the optical fiber connector comprises a connector body, a dustproof cover, a dustproof door and an elastic sheet, one end of the connector body is provided with an insertion core, the dustproof cover is sleeved outside the connector body and is in sliding connection with the connector body, the dustproof cover shields the insertion core, and the dustproof door is arranged on the insertion core. A first opening for the connector body and the insertion core to extend out is formed in the dustproof cover; the dustproof door is rotatably arranged in the dustproof cover; the elastic piece is connected with the dustproof cover and the dustproof door and is configured to drive the dustproof door to rotate so as to seal the first opening. When the connector body slides close to the first opening, the connector body can push open the dustproof door and extend out of the first opening, and when the connector body slides in the opposite direction, the connector body can retract into the dustproof cover, and at the moment, the elastic sheet drives the dustproof door to reset through the elasticity of the elastic sheet to close the first opening, so that the dustproof performance of the optical fiber connector is improved; and the dust cover is not easy to lose and forget.

Description

Technical Field

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

[0002] With the rapid development of optical communication technology, fiber optic connectors are increasingly widely used in communication systems and have become an indispensable key component of communication networks. Fiber optic connectors can be plugged into fiber optic adapters to terminate two optical fibers. However, during use, the ferrules of existing fiber optic connectors often face contamination problems such as dust, and the ferrule end faces are easily damaged by impacts. This seriously affects the transmission performance of the optical fiber and has become a major bottleneck restricting the improvement of fiber optic connector performance.

[0003] In related technologies, the solution involves placing a removable dust cover on the ferrule at the front end of the fiber optic connector to prevent dust from entering. However, this design has significant drawbacks: firstly, the dust cover is easily lost, leaving the fiber optic connector exposed to the external environment without dust protection, allowing dust to still infiltrate; secondly, users may forget to install the dust cover during installation, rendering the dust protection ineffective and compromising the performance of the fiber optic connector. Utility Model Content

[0004] The main purpose of this invention is to provide an optical fiber connector that aims to improve and ensure the dustproof performance of the optical fiber connector.

[0005] To achieve the above objectives, the fiber optic connector proposed in this utility model includes a connector body, a dust cover, a dustproof door, and an elastic sheet. One end of the connector body is provided with a ferrule. The dust cover is sleeved on the connector body and slidably connected to the connector body. The dust cover shields the ferrule, and a first opening is formed on the dust cover for the connector body and the ferrule to extend out. The dustproof door is rotatably disposed inside the dust cover. The elastic sheet connects the dust cover and the dustproof door, and the elastic sheet is configured to drive the dustproof door to rotate to close the first opening.

[0006] In one embodiment, the dust cover has a shaft hole, and the dust door has a pivot, which is rotatably inserted into the shaft hole.

[0007] In one embodiment, the dust cover also has a second opening and a clearance notch, the second opening communicating with the first opening, and the clearance notch communicating with the shaft hole and the second opening; the fiber optic connector further includes a limiting cover, the limiting cover being disposed on the second opening and detachably connected to the dust cover, and the pivot being limited between the limiting cover and the inner wall of the shaft hole.

[0008] In one embodiment, the elastic sheet is provided with a first insertion hole, and the dust cover is provided with a first insertion protrusion on the side facing the limiting cover. The first insertion protrusion is inserted into the inner wall of the first insertion hole, and the elastic sheet is limited between the limiting cover and the dust cover.

[0009] In one embodiment, the dustproof door is provided with a mounting hole, and the elastic sheet extends into the mounting hole and elastically abuts against the inner wall of the mounting hole.

[0010] In one embodiment, a second insertion hole is formed on the inner wall of the second opening, and a second insertion protrusion is formed on the limiting cover, the second insertion protrusion being inserted into the inner wall of the second insertion hole.

[0011] In one embodiment, the fiber optic connector further includes a reset spring and a spring sleeve; the spring sleeve is disposed on the outer wall of the connector body and slidably connected to the inner wall of the dust cover, a guide post is formed inside the dust cover, and the guide post extends into the inner cavity of the spring sleeve; the reset spring is sleeved on the guide post, one end of the reset spring abuts against the dust cover, and the other end of the reset spring abuts against the inner wall of the spring sleeve.

[0012] In one embodiment, the outer wall of the spring sleeve is provided with a hook, and the connector body is provided with a locking hole, wherein the hook engages with the periphery of the locking hole.

[0013] In one embodiment, the elastic sheet has a first elastic segment and a second elastic segment connected to each other, the first elastic segment and the second elastic segment being arranged at an angle; the first elastic segment is connected to the dust cover, and the second elastic segment is connected to the dust door.

[0014] In one embodiment, the outer wall of the connector body is provided with a guide groove, and the inner wall of the dust cover is provided with a guide protrusion. The guide protrusion is slidably connected to the inner wall of the guide groove. A limiting protrusion is formed on the inner wall of the guide groove. The limiting protrusion is located inside the dust cover, and the guide protrusion is limited to the side of the limiting protrusion facing away from the first opening.

[0015] The fiber optic connector proposed in this utility model includes a connector body, a dust cover, a dustproof door, and an elastic piece. One end of the connector body has a ferrule. The dust cover is fitted onto the connector body and slidably connected to it, shielding the ferrule. A first opening is formed on the dust cover for the connector body and the ferrule to extend out. The dustproof door is rotatably disposed inside the dust cover. The elastic piece connects the dust cover and the dustproof door, and is configured to drive the dustproof door to rotate and close the first opening. Specifically, when the connector body slides near the first opening, it can push open the dustproof door and extend out of the first opening, thereby connecting with a fiber optic adapter, etc. When the connector body slides in the opposite direction, it can retract into the dust cover. At this time, the elastic piece, through its own elasticity, drives the dustproof door to reset and close the first opening. Therefore, this utility model can automatically close the first opening through the elasticity of the elastic sheet, which improves the dustproof performance of the fiber optic connector and can also prevent the end face of the ferrule on the connector body from being damaged by collision. Furthermore, by covering the dust cover outside the connector body, the dust cover is not easy to lose or forget, thus ensuring the dustproof performance of the fiber optic connector. In addition, the design of the ferrule being located inside the dust cover and the dust door being able to automatically reset can effectively prevent laser leakage from causing damage to the eyes of the staff. Attached Figure Description

[0016] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without creative effort.

[0017] Figure 1 A schematic diagram of a structural embodiment of the optical fiber connector provided by this utility model;

[0018] Figure 2 for Figure 1 Exploded view of a fiber optic connector;

[0019] Figure 3 for Figure 1 Bottom view of the fiber optic connector;

[0020] Figure 4 for Figure 3 A sectional view along line A-A'.

[0021] Figure 5 for Figure 3 A sectional view along line B-B' in the middle;

[0022] Figure 6 for Figure 5 A magnified view of a section at point C;

[0023] Figure 7 for Figure 1 Side view of the fiber optic connector;

[0024] Figure 8 for Figure 7 A sectional view along line D-D' in the middle;

[0025] Figure 9 for Figure 2 Schematic diagram of the structure of the dust cover;

[0026] Figure 10 for Figure 2 Schematic diagram of the structure of the dustproof door;

[0027] Figure 11 for Figure 2 Schematic diagram of the structure of the middle limiting cover;

[0028] Figure 12 for Figure 2 Assembly diagram of the connector body and spring sleeve;

[0029] Figure 13 for Figure 12 Exploded view of the connector body and spring sleeve.

[0030] Explanation of icon numbers:

[0031] 100. Fiber optic connectors;

[0032] 1. Connector body; 1a. Snap-in hole; 1b. Guide groove; 1c. Molded core mounting hole; 11. Limiting protrusion;

[0033] 2. Dust cover; 21. First insertion protrusion; 22. Guide post; 23. Guide protrusion; 2a. First opening; 2b. Shaft hole; 2c. Second opening; 2d. Alignment notch; 2f. Second insertion hole; 2g. Snap-fit ​​groove;

[0034] 3. Dustproof door; 31. Spindle; 3a. Mounting hole;

[0035] 4. Elastic sheet; 41. First elastic segment; 41a. First insertion hole; 42. Second elastic segment;

[0036] 5. Limiting cover; 51. Second insertion protrusion; 52. Buckle protrusion;

[0037] 6. Return spring;

[0038] 7. Spring sleeve; 71. Hook.

[0039] The realization of the purpose, functional features and advantages of this utility model will be further explained in conjunction with the embodiments and with reference to the accompanying drawings. Detailed Implementation

[0040] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the scope of protection of the present utility model.

[0041] It should be noted that if the embodiments of this utility model involve directional indicators (such as up, down, left, right, front, back, etc.), the directional indicators are only used to explain the relative positional relationship and movement of the components in a specific posture. If the specific posture changes, the directional indicators will also change accordingly.

[0042] Furthermore, if the embodiments of this utility model involve descriptions such as "first" or "second," these descriptions are for descriptive purposes only and should not be construed as indicating or implying their relative importance or implicitly specifying the number of technical features indicated. Therefore, a feature defined with "first" or "second" may explicitly or implicitly include at least one of those features. Additionally, the use of "and / or" or "and / or" throughout the text includes three parallel solutions. For example, "A and / or B" includes solution A, solution B, or a solution where both A and B are satisfied simultaneously. Furthermore, the technical solutions of the various embodiments can be combined with each other, but this must be based on the ability of those skilled in the art to implement them. When the combination of technical solutions is contradictory or impossible to implement, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection claimed by this utility model.

[0043] This utility model proposes an optical fiber connector 100.

[0044] Please see Figures 1 to 4 In one embodiment of the present invention, the fiber optic connector 100 includes a connector body 1, a dust cover 2, a dust door 3, and an elastic piece 4. One end of the connector body 1 is provided with a ferrule. The dust cover 2 is sleeved on the outside of the connector body 1 and slidably connected to the connector body 1. The dust cover 2 covers the ferrule. A first opening 2a is formed on the dust cover 2 for the connector body 1 and the ferrule to extend out. The dust door 3 is rotatably disposed inside the dust cover 2. The elastic piece 4 connects the dust cover 2 and the dust door 3. The elastic piece 4 is configured to drive the dust door 3 to rotate to close the first opening 2a.

[0045] In this embodiment, the fiber optic connector 100 includes a connector body 1, a dust cover 2, a dust door 3, and an elastic sheet 4. The components cooperate with each other to achieve the dustproof function.

[0046] The connector body 1 is the core component of the fiber optic connector 100, enabling fiber optic connection. One end has a ferrule for insertion into a fiber optic adapter, terminating the fiber optic connection. It should be noted that one end of the connector body 1 has a ferrule mounting hole 1c, and the other end has a through hole for the fiber optic cable to pass through. For clarity of other structural details, the ferrule is not shown in the accompanying drawings; only the ferrule mounting hole 1c is shown. The structural design of the connector body 1 must meet the basic requirements of fiber optic transmission. The dimensions and shape of the end with the ferrule are designed according to the standard interface requirements of fiber optic communication systems to ensure compatibility with existing fiber optic adapters and other equipment.

[0047] The dust cover 2 is fitted over the connector body 1 and slidably connected to it. Its main function is to shield the ferrule, preventing dust and other contaminants from directly contacting it. The structural design of the dust cover 2 must consider its sliding fit with the connector body 1, ensuring smooth relative movement of the dust cover 2 during the sliding of the connector body 1. The inner wall contour of the dust cover 2 matches the outer wall contour of the connector body 1, allowing for sliding contact between the inner and outer walls of the dust cover 2. The overall dimensions of the dust cover 2 can be slightly larger than the connector body 1 to completely enclose it. A first opening 2a is formed on the dust cover 2 for the connector body 1 and the ferrule to extend. The size and shape of the first opening 2a match the outer diameter of the connector body 1, ensuring smooth passage of the connector body 1. This design not only effectively blocks dust intrusion but also ensures flexible switching between a shielded and exposed state for the connector body 1.

[0048] The dustproof door 3 is rotatably disposed inside the dustproof cover 2. Its main function is to close or open the first opening 2a when the connector body 1 extends or retracts. The structural design of the dustproof door 3 needs to consider its rotational fit with the dustproof cover 2, as well as its connection with the elastic sheet 4. In this embodiment, the dustproof door 3 is made of lightweight, high-strength materials, such as aluminum alloy or high-strength plastic, to ensure its reliability and durability during frequent rotation. The shape and size of the dustproof door 3 match the first opening 2a, completely covering it to effectively protect the ferrule. A circular hole can be provided on the dustproof door 3, and a circular protrusion can be provided inside the dustproof cover 2 to fit with the circular hole, allowing the dustproof door 3 to rotate around the circular protrusion. Alternatively, through holes can be provided on both the dustproof door 3 and the dustproof cover 2, with a shaft passing through the dustproof cover 2 and the dustproof door 3 sequentially, allowing the dustproof door 3 to rotate around the shaft.

[0049] The elastic sheet 4 connects the dust cover 2 and the dust door 3. Its main function is to use its elasticity to drive the dust door 3 to rotate, thereby automatically closing the first opening 2a. The structural design of the elastic sheet 4 needs to consider its elastic performance and connection method to ensure that when the connector body 1 retracts, it can drive the dust door 3 to reset through its own elasticity. In this embodiment, the elastic sheet 4 is made of a metal material with excellent elasticity, such as spring steel, or it can be made of an elastic plastic with good elasticity and fatigue resistance. The shape and size of the elastic sheet 4 are designed according to the structure of the dust cover 2 and the dust door 3 to ensure that it can stably connect the dust cover 2 and the dust door 3 and provide sufficient elastic force. This elastic design not only ensures that the dust door 3 can reset quickly, but also improves the reliability and stability of the entire dustproof system. In addition, the design that the ferrule on the connector body 1 is located inside the dust cover 2 and that the dust door 3 can reset automatically can effectively prevent laser leakage from causing damage to the eyes of workers.

[0050] This embodiment utilizes the elasticity of the elastic piece 4 to automatically close the dustproof door 3 around the first opening 2a, effectively solving the problem of existing fiber optic connector dust covers being easily lost or forgotten, thus improving the dustproof performance of the fiber optic connector. Simultaneously, the design of placing the dustproof cover 2 outside the connector body 1 makes it less prone to loss, further ensuring the dustproof performance of the fiber optic connector. In summary, this embodiment of the fiber optic connector 100, through the ingenious cooperation between the connector body 1, dustproof cover 2, dustproof door 3, and elastic piece 4, effectively protects the ferrule inside the fiber optic connector 100, improves the dustproof performance of the fiber optic connector 100, and also prevents damage to the end face of the ferrule on the connector body 1 from impacts.

[0051] Further, please refer to Figure 2 , Figure 9 and Figure 10 In one embodiment of the present invention, a shaft hole 2b is formed on the dust cover 2, and a rotating shaft 31 is formed on the dust door 3, the rotating shaft 31 being rotatably inserted into the shaft hole 2b.

[0052] In this embodiment, the rotating connection structure between the dustproof door 3 and the dustproof cover 2 is further optimized to enhance its stability and reliability. Specifically, a shaft hole 2b is formed on the dustproof cover 2, and a rotating shaft 31 is formed on the dustproof door 3. The rotating shaft 31 is rotatably inserted into the shaft hole 2b, thereby enabling the dustproof door 3 to rotate flexibly. This structural design allows the dustproof door 3 to smoothly open or close the first opening 2a when the connector body 1 extends or retracts. The mating relationship between the shaft hole 2b and the rotating shaft 31 not only ensures the rotational accuracy of the dustproof door 3 but also reduces friction during rotation, extending the service life of the components. In addition, the integrated design of the rotating shaft 31 and the dustproof door 3 facilitates disassembly and assembly for replacement and maintenance of the dustproof door 3.

[0053] Furthermore, please refer to Figure 2 , Figure 9 and Figure 11 In one embodiment of the present invention, the dust cover 2 is further provided with a second opening 2c and a clearance notch 2d. The second opening 2c is connected to the first opening 2a, and the clearance notch 2d is connected to the shaft hole 2b and the second opening 2c. The fiber optic connector 100 also includes a limiting cover 5, which is disposed over the second opening 2c and detachably connected to the dust cover 2. The rotating shaft 31 is limited between the limiting cover 5 and the inner wall of the shaft hole 2b.

[0054] In this embodiment, during installation, the operator only needs to insert the dustproof door 3 into the dustproof cover 2 through the second opening 2c, allowing the rotating shaft 31 to smoothly enter the shaft hole 2b through the clearance notch 2d. Subsequently, by installing the limiting cover 5, the rotating shaft 31 is securely restrained within the shaft hole 2b, thus completing the installation of the dustproof door 3. The detachable connection between the limiting cover 5 and the dustproof cover 2 can take various forms, such as snap-fit ​​connection or screw connection. In this embodiment, a snap-fit ​​connection is preferred, such as... Figure 9 and Figure 11 The limiting cover 5 has a U-shaped design and a buckle protrusion 52 inside. The side wall of the dust cover 2 has a buckle groove 2g. The limiting cover 5 can cover the second opening 2c and fit tightly against the side wall of the dust cover 2, so that the buckle protrusion 52 is engaged with the inner wall of the buckle groove 2g. The limiting cover 5 can be made of engineering plastics or metals with certain structural strength and elasticity.

[0055] This embodiment makes the installation and maintenance of the dustproof door 3 more convenient by providing a second opening 2c and a clearance notch 2d on the dustproof cover 2. When maintenance or replacement of the dustproof door 3 is required, the dustproof door 3 can be easily removed by simply removing the limiting cover 5. This structure not only improves the installation efficiency of the dustproof door 3 but also reduces maintenance costs, making the operation of the fiber optic connector 100 simpler in actual use.

[0056] Furthermore, please refer to Figure 2 and Figure 6 In one embodiment of the present invention, the elastic sheet 4 is provided with a first insertion hole 41a, and the dust cover 2 is provided with a first insertion protrusion 21 on the side facing the limiting cover 5. The first insertion protrusion 21 is inserted into the inner wall of the first insertion hole 41a, and the elastic sheet 4 is limited between the limiting cover 5 and the dust cover 2.

[0057] In this embodiment, optionally, the insertion hole can be a strip-shaped hole, and correspondingly, the shape of the insertion protrusion is also a strip shape that matches the insertion hole. This can prevent the elastic sheet 4 from rotating relative to the dust cover 2. Alternatively, the rotation of the elastic sheet 4 relative to the dust cover 2 can also be prevented by providing two or more insertion holes and insertion protrusions.

[0058] In this embodiment, the elastic sheet 4 is fixed between the dust cover 2 and the limiting cover 5 by a plug-in connection, which not only improves the installation accuracy of the elastic sheet 4 but also enhances its stability during use. During installation, the operator only needs to align the first plug-in hole 41a on the elastic sheet 4 with the first plug-in protrusion 21 on the dust cover 2, and then install the limiting cover 5 to firmly fix the elastic sheet 4 in the designated position. This plug-in connection method is not only simple to operate and effectively prevents the elastic sheet 4 from shifting or loosening during use, but it also facilitates the disassembly and replacement of the elastic sheet 4.

[0059] Furthermore, please refer to Figures 3 to 6 In one embodiment of this utility model, the dustproof door 3 is provided with a mounting hole 3a, and the elastic piece 4 extends into the mounting hole 3a and elastically abuts against the inner wall of the mounting hole 3a.

[0060] In this embodiment, to improve the ease of installation and maintenance efficiency of the elastic piece 4, the elastic piece 4 is connected to the dustproof door 3 by a plug-in connection. The shape and size of the elastic piece 4 are adapted to the shape of the mounting hole 3a to ensure that the elastic piece 4 can be smoothly inserted into the mounting hole 3a. Specifically, the dustproof door 3 is provided with a flat mounting hole 3a that matches the shape of the elastic piece 4. The elastic piece 4 extends into the mounting hole 3a, and the part of the elastic piece 4 extending into the mounting hole 3a is set at a preset angle with the inner wall of the dust cover 2 to ensure that under the action of the elastic piece 4 itself, the elastic piece 4 always has the tendency to drive the dustproof door 3 to close the first opening 2a. Therefore, under the action of the elastic piece 4 itself, the elastic piece 4 elastically abuts against the inner wall of the mounting hole 3a on the side opposite to the limiting cover 5.

[0061] During installation, the operator simply inserts the elastic piece 4 into the mounting hole 3a of the dustproof door 3, and then fixes the elastic piece 4 onto the first insertion protrusion 21 by plugging it in. When maintaining or replacing the elastic piece 4, the operator only needs to remove the limiting cover 5 to easily remove the elastic piece 4 for operation, greatly improving maintenance efficiency.

[0062] In this embodiment, the elastic piece 4 is inserted into the mounting hole 3a of the dustproof door 3. The elasticity of the elastic piece 4 makes it fit tightly against the inner wall of the mounting hole 3a, thereby achieving a stable connection between the elastic piece 4 and the dustproof door 3. In combination with the previous embodiment, the elastic piece 4 is connected to the dust cover 2 and the dustproof door 3 by plugging. This connection method is not only simple to operate, but also facilitates the replacement of the elastic piece 4 that has aged or lost its elasticity after long-term use. This can improve the service life of the fiber optic connector 100 and ensure the dustproof effect.

[0063] Furthermore, please refer to Figure 6 , Figure 9 and Figure 11 In one embodiment of the present invention, a second insertion hole 2f is formed on the inner wall of the second opening 2c, and a second insertion protrusion 51 is formed on the limiting cover 5, and the second insertion protrusion 51 is inserted into the inner wall of the second insertion hole 2f.

[0064] In this embodiment, the limiting cover 5 is engaged with the snap-fit ​​groove 2g provided on the dust cover 2 by the snap-fit ​​protrusion 52. In order to strengthen the connection between the limiting cover 5 and the dust cover 2 and prevent the cover from easily detaching from the dust cover 2 when the fiber optic connector 100 falls, which would cause the dust door 3 and the elastic sheet 4 to fall off, a second insertion hole 2f is formed on the inner wall of the second opening 2c, and a second insertion protrusion 51 is provided on one side of the limiting cover 5. Understandably, the limiting cover 5 can detach from the dust cover 2 in a direction away from the second opening 2c. Therefore, after the second insertion hole 2f is formed on the inner wall of the second opening 2c and is inserted into the second insertion protrusion 51, a constraint force is applied to the limiting cover 5 in a direction perpendicular to the direction in which the limiting cover 5 detaches from the dust cover 2. To remove the limiting cover 5, after the buckle protrusion 52 is disengaged from the buckle groove 2g, the limiting cover 5 needs to be further rotated around the second insertion protrusion 51 and the second insertion protrusion 51 pulled out of the second insertion hole 2f. This step is not easy to occur during drops or collisions and requires manual operation, thus ensuring that the limiting cover 5 will not detach from the dust cover 2 due to collisions, drops, or other reasons. Preferably, to facilitate rotation, the end of the second insertion protrusion 51 away from the limiting cover 5 can be rounded or chamfered to prevent interference with the inner wall of the second insertion hole 2f.

[0065] Further, please refer to Figure 4 , Figure 12 and Figure 13In one embodiment of the present invention, the fiber optic connector 100 further includes a reset spring 6 and a spring sleeve 7; the spring sleeve 7 is disposed on the outer wall of the connector body 1 and slidably connected to the inner wall of the dust cover 2, a guide post 22 is formed inside the dust cover 2, and the guide post 22 extends into the inner cavity of the spring sleeve 7; the reset spring 6 is sleeved on the guide post 22, one end of the reset spring 6 abuts against the dust cover 2, and the other end of the reset spring 6 abuts against the inner wall of the spring sleeve 7.

[0066] In this embodiment, when the connector body 1 extends from the dust cover 2 and connects to the fiber optic adapter, the return spring 6 is compressed, storing elastic potential energy. At this time, the spring force is set insufficient to disengage the connector body 1 from the fiber optic adapter. When the connector body 1 is pulled out of the adapter, the return spring 6 releases its elastic potential energy, pushing the spring sleeve 7 and the dust cover 2 to slide in opposite directions, thereby allowing the ferrule on the connector body 1 to retract smoothly into the dust cover 2. The guide post 22 ensures the stability of the spring during the sliding process, preventing it from shifting or jamming.

[0067] Specifically, the extension direction of the spring sleeve 7 and the guide post 22 is consistent with the sliding direction of the dust cover 2 relative to the connector body 1, and the outer contours of the spring sleeve 7 and the connector body 1 are consistent with the shape of the inner cavity of the dust cover 2 to ensure sealing performance. To improve structural strength, the guide post 22 and the dust cover 2 are designed as an integral molding structure, and the spring sleeve 7 and the connector body 1 can also be designed as an integral molding structure, for example, by integral casting using the same mold. The material selection of the return spring 6 needs to consider its elastic performance and durability, and it is usually made of high-strength spring steel to ensure its stability in long-term use. The material of the spring sleeve 7 needs to have good wear resistance and sliding performance, and can be made of engineering plastics or metal alloys. The shape and length of the guide post 22 are designed according to the inner cavity of the spring sleeve 7. Preferably, during the entire process of the insert extending and retracting the dust cover 2, the guide post 22 always remains at least partially inserted into the spring sleeve 7. In this way, the spring compression or rebound is always guided by the guide post 22, preventing the spring from deviating and affecting the rebound force.

[0068] This optimized design makes the reset process of connector body 1 smoother and more reliable, reducing the risk of connector body 1 failing to fully retract due to improper manual operation. Simultaneously, after connector body 1 is removed from the adapter, it ensures that the ferrule retracts into the dust cover 2 and closes the dust door 3 immediately, reducing the risk of ferrule contamination and improving the dustproof performance of fiber optic connector 100.

[0069] Further, please refer to Figures 12 to 13 In one embodiment of this utility model, the outer wall of the spring sleeve 7 is provided with a hook 71, and the connector body 1 is provided with a locking hole 1a, and the hook 71 is engaged with the periphery of the locking hole 1a.

[0070] In another embodiment of this utility model, the connector body 1 has a locking hole 1a at its top. The spring sleeve 7 is located at the top of the connector body 1 and at the end of the connector body 1 furthest from the ferrule mounting hole 1c. The bottom of the spring sleeve 7 has a hook 71, which is bent away from the ferrule mounting hole 1c. During installation, the operator only needs to align the spring sleeve 7 with the connector body 1, align the hook 71 with the locking hole 1a, and then press down the spring sleeve 7 and slide it away from the ferrule mounting hole 1c. The hook 71 will then be tightly engaged with the periphery of the locking hole 1a, thereby achieving a detachable connection between the spring sleeve 7 and the connector body 1. This detachable connection method allows the spring sleeve 7 to be replaced, thus allowing for the replacement of spring sleeves 7 with different inner diameters, and consequently, springs with different elastic forces, to meet different usage requirements. For example, when using a spring with high elastic force, the dust cover 2 resets quickly; conversely, when using a spring with low elastic force, the dust cover 2 resets slowly. Furthermore, this connection method is simple to operate, requires no additional tools, has high disassembly and assembly efficiency, and is easy to maintain.

[0071] Further, please refer to Figure 2 In one embodiment of the present invention, the elastic sheet 4 has a first elastic segment 41 and a second elastic segment 42 connected to each other, the first elastic segment 41 and the second elastic segment 42 are arranged at an angle; the first elastic segment 41 is connected to the dust cover 2, and the second elastic segment 42 is connected to the dust door 3.

[0072] In this embodiment, the elastic sheet 4 is divided into two elastic segments, which are set at an angle to better accommodate the rotation requirements of the dustproof door 3. Specifically, when the elastic sheet 4 is installed inside the dustproof cover 2, the first elastic segment 41 is parallel to the inner wall of the dustproof cover 2. Since the second elastic segment 42 is set at an angle to the first elastic segment 41, the second elastic segment 42 can use its own elastic force to drive the dustproof door 3 to close the first opening 2a. It can be understood that the angle between the first elastic segment 41 and the second elastic segment 42 can be adjusted according to the requirements. For example, the angle can be set as an acute angle, an obtuse angle, or even a right angle. Preferably, in order to prevent stress concentration or excessive deformation of the elastic sheet 4 from causing cracking, the angle between the first elastic segment 41 and the second elastic segment 42 can be set as an obtuse angle.

[0073] The two elastic segments can be connected to the dust cover 2 by various methods such as riveting, screw connection, or snap-fit. In conjunction with the aforementioned embodiments, in this embodiment, the first elastic segment 41 is provided with a first insertion hole 41a and is inserted into the first insertion protrusion 21 through the first insertion hole 41a, and the second elastic segment 42 extends into the mounting hole 3a on the dust door 3.

[0074] When the dustproof door 3 is opened, the elastic sheet 4 undergoes elastic deformation as the dustproof door 3 rotates, changing the angle between the first elastic segment 41 and the second elastic segment 42, thereby storing elastic potential energy. When the dustproof door 3 is closed, the second elastic segment 42 releases the elastic potential energy, causing the dustproof door 3 to return to its original position. This design not only improves the elastic performance of the elastic sheet 4 but also enhances its stability and reliability during use.

[0075] Further, please refer to Figure 7 , Figure 8 and Figure 12 In one embodiment of the present invention, the outer wall of the connector body 1 is provided with a guide groove 1b, and the inner wall of the dust cover 2 is provided with a guide protrusion 23. The guide protrusion 23 is slidably connected to the inner wall of the guide groove 1b. A limiting protrusion 11 is formed on the inner wall of the guide groove 1b. The limiting protrusion 11 is located inside the dust cover 2, and the guide protrusion 23 is limited to the side of the limiting protrusion 11 facing away from the first opening 2a.

[0076] In this embodiment, the smooth sliding between the connector body 1 and the dust cover 2 is ensured by the cooperation of the guide groove 1b and the guide protrusion 23. The shapes and sizes of the guide groove 1b and the guide protrusion 23 are matched, allowing the dust cover 2 to slide smoothly along the outer wall of the connector body 1, reducing friction and wear during the sliding process. At the same time, the purpose of the limiting protrusion 11 is to prevent the dust cover 2 from accidentally detaching from the connector body 1 due to external force or improper operation during use.

[0077] Specifically, considering wear resistance and strength, the connector body 1 and the dust cover 2 can be made of high-strength, wear-resistant materials, such as engineering plastics or metal alloys. The extension direction of the guide groove 1b is consistent with the sliding direction of the dust cover 2 relative to the connector body 1 and is located on the outer side wall of the connector body 1. The guide protrusion 23 is located on the inner side wall of the dust cover 2 and is adapted to the cross-sectional shape of the guide groove 1b. The limiting protrusion 11 is located at one end of the guide groove 1b near the ferrule mounting hole 1c. The shape and size of the limiting protrusion 11 are designed according to the structure of the guide protrusion 23 to ensure that the guide protrusion 23 can be accurately limited to the side of the limiting protrusion 11 facing away from the first opening 2a. Furthermore, the dust cover 2 can be made of engineering plastic with a certain degree of elastic deformation capability. Under normal circumstances, the deformation of the dust cover 2 is small under the action of the spring force and slight tensile force, which is insufficient to allow the guide protrusion 23 to cross the limiting protrusion 11. When the dust cover 2 is subjected to a larger tensile force, the dust cover 2 undergoes a larger deformation, thereby allowing the guide protrusion 23 to cross the limiting protrusion 11, so that the dust cover 2 is detached from the connector body 1. Thus, the connector body 1 can be used alone for fiber optic connection. That is, the dust cover 2 can be removed for use as a regular fiber optic connector. Removing the dust cover 2 reduces the size, which can meet the needs of high-density application scenarios and improves the applicability of the fiber optic connector 100.

[0078] The above description is merely an exemplary embodiment of the present utility model and does not limit the patent scope of the present utility model. Any equivalent structural transformations made based on the technical concept of the present utility model and the contents of the present utility model specification and drawings, or direct / indirect applications in other related technical fields, are included within the patent protection scope of the present utility model.

Claims

1. An optical fiber connector, characterized in that, The fiber optic connector includes: A connector body (1) is provided with a ferrule at one end; Dust cover (2), the dust cover (2) is sleeved on the outside of the connector body (1) and slidably connected to the connector body (1), the dust cover (2) covers the ferrule, and a first opening (2a) is formed on the dust cover (2) for the connector body (1) and the ferrule to extend out; A dustproof door (3), which is rotatably disposed within the dustproof cover (2); and An elastic sheet (4) connects the dust cover (2) and the dust door (3), and the elastic sheet (4) is configured to drive the dust door (3) to rotate to close the first opening (2a).

2. The fiber optic connector as described in claim 1, characterized in that, The dust cover (2) has a shaft hole (2b) and the dust door (3) has a rotating shaft (31) which is rotatably inserted into the shaft hole (2b).

3. The fiber optic connector as described in claim 2, characterized in that, The dust cover (2) also has a second opening (2c) and a clearance notch (2d), the second opening (2c) is connected to the first opening (2a), and the clearance notch (2d) is connected to the shaft hole (2b) and the second opening (2c); The fiber optic connector also includes a limiting cover (5), which covers the second opening (2c) and is detachably connected to the dust cover (2). The rotating shaft (31) is located between the limiting cover (5) and the inner wall of the shaft hole (2b).

4. The fiber optic connector as described in claim 3, characterized in that, The elastic sheet (4) is provided with a first insertion hole (41a), and the dust cover (2) is provided with a first insertion protrusion (21) on the side facing the limiting cover (5). The first insertion protrusion (21) is inserted into the inner wall of the first insertion hole (41a), and the elastic sheet (4) is limited between the limiting cover (5) and the dust cover (2).

5. The fiber optic connector as described in claim 4, characterized in that, The dustproof door (3) is provided with a mounting hole (3a), and the elastic sheet (4) extends into the mounting hole (3a) and elastically abuts against the inner wall of the mounting hole (3a).

6. The fiber optic connector as described in claim 3, characterized in that, The inner wall of the second opening (2c) is formed with a second insertion hole (2f), and the limiting cover (5) is formed with a second insertion protrusion (51), which is inserted into the inner wall of the second insertion hole (2f).

7. The fiber optic connector as described in claim 1, characterized in that, The fiber optic connector also includes a reset spring (6) and a spring sleeve (7); The spring sleeve (7) is disposed on the outer wall of the connector body (1) and is slidably connected to the inner wall of the dust cover (2). A guide post (22) is formed inside the dust cover (2), and the guide post (22) extends into the inner cavity of the spring sleeve (7). The reset spring (6) is sleeved on the guide post (22), one end of the reset spring (6) abuts against the dust cover (2), and the other end of the reset spring (6) abuts against the inner wall of the spring sleeve (7).

8. The fiber optic connector as described in claim 7, characterized in that, The outer wall of the spring sleeve (7) is provided with a hook (71), and the connector body (1) is provided with a locking hole (1a). The hook (71) engages with the periphery of the locking hole (1a).

9. The fiber optic connector as described in any one of claims 1 to 8, characterized in that, The elastic sheet (4) has a first elastic segment (41) and a second elastic segment (42) connected to each other, and the first elastic segment (41) and the second elastic segment (42) are arranged at an angle. The first elastic segment (41) is connected to the dust cover (2), and the second elastic segment (42) is connected to the dust door (3).

10. The fiber optic connector as described in any one of claims 1 to 8, characterized in that, The outer wall of the connector body (1) is provided with a guide groove (1b), and the inner wall of the dust cover (2) is provided with a guide protrusion (23). The guide protrusion (23) is slidably connected to the inner wall of the guide groove (1b). The inner wall of the guide groove (1b) forms a limiting protrusion (11), the limiting protrusion (11) is located inside the dust cover (2), and the guide protrusion (23) is limited to the side of the limiting protrusion (11) facing away from the first opening (2a).

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