A fast optical fiber connector

Abstract

The present invention relates to a quick optical fiber connector, comprising a ferrule assembly, wherein a pre-buried optical fiber is inserted into the head portion of the ferrule assembly, and an external optical fiber is inserted into the tail portion to connect the pre-buried optical fiber and the external optical fiber; a tail cap is arranged at the tail portion of the ferrule assembly and is used to fix the external optical fiber; and further comprises a tail clamp assembly arranged in the tail cap and capable of clamping the external optical fiber; a locking component is located between the tail clamp assembly and the ferrule assembly and can be pivotally locked with the tail cap; the ferrule assembly can be positioned and locked with the tail cap. The beneficial effects of the present invention are: 1. Compared with the prior art, the present invention provides a clamping assembly and a locking component. The operator only needs to insert the optical fiber into the quick plug assembly and extend it to a certain length, and rotate or twist the tail cap to fix the optical fiber in the connector and connect it to the pre-buried optical fiber in the ferrule assembly. The optical fiber can be clamped without the aid of tools, which greatly speeds up the plug-in efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of optical fiber connectors, and in particular to a fast optical fiber connector. Background Art

[0002] With the development of communication technology, fiber optic transmission is increasingly being used in communication systems. As the use of optical fibers increases, the ability to repeatedly and quickly connect two optical fibers becomes increasingly important. Currently, optical fibers are generally connected via optical fiber connectors, which consist of an optical fiber adapter and two optical fiber connector plugs. The optical fiber connector plug is connected to one end of the optical fiber, and the two optical fibers are each connected to a fiber optic adapter via a fiber optic connector plug.

[0003] Each end of the fiber optic adapter is provided with an opening adapted for a fiber optic connector plug. The two fiber optic connector plugs are respectively inserted into the two openings of the fiber optic adapter, so that the ferrules of the two fiber optic connector plugs are docked in the fiber optic adapter, that is, the two optical fiber ends to be connected are docked, so that the optical signal output by the transmitting optical fiber can be coupled to the receiving optical fiber to the maximum extent.

[0004] Existing fiber optic connectors typically consist of a ferrule assembly and an outer frame. The outer frame is mounted on the outside of the ferrule assembly. A pre-buried optical fiber is inserted into the head of the ferrule assembly. An external optical fiber must be inserted from the rear of the ferrule assembly to connect with the pre-buried optical fiber. When inserting the optical fiber into the ferrule assembly, the operator must confirm that the external optical fiber is firmly inserted and that the connection between the external optical fiber and the pre-buried optical fiber is stable. This requires considerable effort when plugging multiple connectors into an adapter, resulting in low assembly efficiency. Summary of the Invention

[0005] In order to solve the above problems existing in the prior art, the present invention provides a fast optical fiber connector that can ensure a stable connection between an external optical fiber and a pre-buried optical fiber. Users can blindly connect the external optical fiber to improve installation efficiency.

[0006] A fast optical fiber connector, comprising:

[0007] The ferrule assembly has a pre-buried optical fiber inserted into its head and an external optical fiber inserted into its tail to connect the pre-buried optical fiber and the external optical fiber;

[0008] The tail cap is provided at the tail of the ferrule assembly and is used to fix the external optical fiber;

[0009] Also included are,

[0010] The tail clip assembly is arranged in the tail cap and can clamp the external optical fiber;

[0011] The locking component is located between the tail clip assembly and the ferrule assembly and can be pivotally locked with the tail cap;

[0012] The ferrule assembly can be positioned and locked with the tail cap.

[0013] The above technical solution is further configured as follows: a first locking column is provided on the locking component, and a second locking column is provided on the core assembly; the first locking column and the second locking column enable the tail cap to have a positioning stroke and a locking stroke when being pivotally connected to the core assembly; during the positioning stroke, the tail cap and the second locking column cooperate to position so that they are sleeved onto the tail of the core assembly; during the locking stroke, the tail cap is rotated, and the first locking column and the second locking column rotate simultaneously in the tail cap and are locked with the tail cap.

[0014] The above technical solution is further configured as follows: the second locking column is located on the outer end face of the tail of the plug assembly; a positioning groove is provided on the inner wall of the tail cap near the opening, and the end of the positioning groove is connected with a second locking groove; during the positioning stroke, the second locking column slides into the positioning groove; during the locking stroke, the second locking column rotates in the second locking groove.

[0015] The above technical solution is further configured as follows: the locking component is a lock buckle, the head of the lock buckle is a sleeve, which can be sleeved into the core assembly, and a locking strip is formed on the sleeve, and the first locking column is protruded on the outer end surface of the locking strip; the first locking column is exposed to the outside of the core assembly; a first locking groove that cooperates with the first locking column is provided inside the tail cap; during the locking stroke, the first locking column slides in the first locking groove.

[0016] The above technical solution is further configured as follows: the first locking groove is a threaded groove.

[0017] The above technical solution is further configured as follows: the tail clip assembly includes a tail sleeve, a clamping groove is provided on the circumferential surface of the tail sleeve, and the tail portion of the clamping groove is hollowed out and communicates with the inner cavity of the tail sleeve; a clamping plate is embedded in the clamping groove; when the tail cap is inserted into the outside of the tail clip assembly, the tail portion of the clamping groove is squeezed to bend toward the inner cavity of the tail sleeve.

[0018] The above technical solution is further configured as follows: an extrusion protrusion is provided on the outer end surface of the clamping piece close to the tail.

[0019] The above technical solution is further configured as follows: clamping teeth are provided on the inner end surface of the clamping piece.

[0020] The above technical solution is further configured as follows: a spring is further provided in the ferrule assembly, one end of the spring is held against the ferrule assembly, and the other end is held against the tail clip assembly; when the tail cap is screwed onto the ferrule assembly, the tail cap squeezes the tail clip assembly and the locking component toward the ferrule assembly, and the spring is compressed.

[0021] The above technical solution is further configured as follows: the tail clamp assembly also includes a fiber guide tube and a positioning sleeve, the positioning sleeve is arranged on the outside of the fiber guide tube, and a connecting groove that can cooperate with the head of the tail sleeve is provided on the circumferential surface, and the tail sleeve is fixedly arranged in the connecting groove; the outer end surface of the fiber guide tube is provided with positioning columns corresponding to the number of the clamping plates, the head of the clamping plate is provided with a positioning hole, and the head of the clamping plate is positioned on the outside of the fiber guide tube.

[0022] The beneficial effects of the present invention are:

[0023] 1. Compared with the existing technology, the present invention provides a clamping assembly and a locking component. The operator only needs to insert the optical fiber into the quick-connect assembly to a certain length, rotate or twist the end cap, and the optical fiber can be fixed in the connector and connected to the optical fiber embedded in the ferrule assembly. The optical fiber can be clamped without the need for tools, greatly improving the plug-in efficiency.

[0024] 2. Setting two points for simultaneous locking improves the locking effect between the tail cap and the ferrule assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the explosion structure of the present invention.

[0026] Figure 2 It is a schematic diagram of the cross-sectional structure of the present invention.

[0027] Figure 3 This is an isometric cross-sectional view of the tail cap.

[0028] Figure 4 This is a schematic diagram of the exploded structure of the tail clip assembly.

[0029] Figure 5 This is a schematic diagram of the installation structure of the tail clip assembly and locking components.

[0030] In the accompanying drawings, 100 is marked as the ferrule assembly; 110 is the ferrule body; 120 is the ferrule sleeve; 121 is the second locking column; 130 is the outer frame sleeve;

[0031] 200, tail cap; 201, positioning slot; 202, second locking slot; 203, first locking slot;

[0032] 300, tail clip assembly; 310, tail sleeve; 311, clamping groove; 320, clamping piece; 321, extrusion protrusion; 322, clamping teeth; 330, fiber guide tube; 340, positioning sleeve; 341, connecting groove; 323, positioning hole; 3411, positioning groove; 312, positioning protrusion; 331, positioning column;

[0033] 400, locking component; 410, first locking column;

[0034] 500. Spring. DETAILED DESCRIPTION

[0035] In order to further illustrate the technical means and effects adopted by the present invention to achieve the predetermined purpose of the invention, the specific implementation methods, structures, features and effects of the present invention are described in detail below in conjunction with the accompanying drawings and preferred embodiments.

[0036] Reference Figure 1 and Figure 2 As described above, this embodiment discloses a fast optical fiber connector, comprising:

[0037] The ferrule assembly 100 has a pre-buried optical fiber inserted into its head and an external optical fiber inserted into its tail, so that the pre-buried optical fiber and the external optical fiber are connected;

[0038] The tail cap 200 is provided at the tail of the ferrule assembly 100 and is used to fix the external optical fiber;

[0039] Also included are,

[0040] The tail clip assembly 300 is disposed in the tail cap 200 and is capable of clamping the external optical fiber;

[0041] The locking component 400 is located between the tail clip assembly 300 and the ferrule assembly 100 and can be pivotally locked with the tail cap 200;

[0042] The ferrule assembly 100 can be positioned and locked with the tail cap 200 .

[0043] The above is the basic solution of the present invention. The external optical fiber is inserted into the rear end of the ferrule assembly 100, and then the tail cap 200 is screwed into the rear end of the ferrule assembly 100. During the screwing process, the tail cap 200 is first inserted and positioned between the ferrule assembly 100. Then, the tail cap 200 is rotated, locking the ferrule assembly 100 and the tail cap 200. Simultaneously, the locking component 400 and the tail cap 200 are also locked. During the screwing process of the tail cap 200, the tail clamp assembly 300 clamps the external optical fiber.

[0044] In this embodiment, the ferrule assembly 100 includes a ferrule body 110 , a ferrule sleeve 120 and an outer frame sleeve 130 which are sequentially sleeved.

[0045] Specifically, a first locking column 410 is provided on the locking component 400, and a second locking column 121 is provided on the core assembly 100; the first locking column 410 and the second locking column 121 enable the tail cap 200 to have a positioning stroke and a locking stroke when it is pivoted to the core assembly 100; during the positioning stroke, the tail cap 200 and the second locking column 121 cooperate to position so that they are sleeved on the tail of the core assembly 100; during the locking stroke, the tail cap 200 is rotated, and the first locking column 410 and the second locking column 121 rotate simultaneously in the tail cap 200 and are locked with the tail cap 200.

[0046] Furthermore, the second locking column 121 is located on the outer end face of the tail of the core assembly 100; a positioning groove 201 is provided on the inner wall of the tail cap 200 near the opening, and the end of the positioning groove 201 is connected with a second locking groove 202; during the positioning stroke, the second locking column 121 slides into the positioning groove 201; during the locking stroke, the second locking column 121 rotates in the second locking groove 202.

[0047] Preferably, in this embodiment, the second locking column 121 is located on the outer peripheral surface of the tail portion of the ferrule body 110 .

[0048] Preferably, the second locking groove 202 is an arc-shaped hollow groove arranged along the circumference of the tail cap 200, and the outer surface of the tail cap 200 is marked with "on" and "off" at the two ends of the second locking groove 202, and "on" is located at the connection position between the second locking groove 202 and the positioning slide groove 201.

[0049] Reference Figure 3 As shown, when the tail cap 200 is inserted, the second locking post 121 slides into the positioning groove 201, and the tail cap 200 enters the positioning stroke. When the tail cap 200 is pushed in, the second locking post 121 slides to the end of the positioning groove 201, i.e., the starting end of the second locking groove 202. At this point, the tail cap 200 is rotated, and the second locking post 121 slides within the second locking groove 202, i.e., the tail cap 200 enters the locking stroke. The second locking post 121 slides to the end of the second locking groove 202, and the tail cap 200 is locked.

[0050] Reference Figure 4 and Figure 5 As shown, further, the locking component 400 is a lock, the head of the lock is a sleeve, which can be inserted into the core assembly 100, and a locking strip is formed on the sleeve, and the first locking column 410 is protruded on the outer end face of the locking strip; the first locking column 410 is exposed to the outside of the core assembly 100; the tail cap 200 is internally provided with a first locking groove 203 that cooperates with the first locking column 410; during the locking stroke, the first locking column 410 slides in the first locking groove 203.

[0051] In this embodiment, the sleeve is disposed within the ferrule sleeve 120 and is pressed against the ferrule body 110. A locking strip extends from the side of the ferrule body 110 to the exterior of the ferrule assembly 100, allowing the first locking post 410 to extend outside the ferrule sleeve 120 and lock with the tail cap 200.

[0052] Preferably, the first locking groove 203 is a thread groove.

[0053] When the tail cap 200 completes its positioning stroke, that is, the second locking post 121 is located at the starting end of the second locking groove 202, and the first locking post 410 is also located at the starting end of the first locking groove 203. Rotating the tail cap 200 causes the second locking post 121 to slide within the second locking groove 202, while the first locking post 410 simultaneously slides along the first locking groove 203. During the locking stroke, the first locking post 410 slides toward the interior of the tail cap 200 as the tail cap 200 rotates, continuously pushing the tail cap 200 toward the ferrule assembly 100 and squeezing the locking component 400 and tail clip assembly 300 within the tail cap 200.

[0054] A spring 500 is further provided in the ferrule assembly 100 , one end of the spring 500 being in contact with the ferrule assembly 100 , and the other end being in contact with the tail clip assembly 300 ; when the tail cap 200 is screwed onto the ferrule assembly 100 , the tail cap 200 squeezes the tail clip assembly 300 and the locking component 400 toward the ferrule assembly 100 , and the spring 500 is compressed.

[0055] Specifically, the tail clip assembly 300 includes a tail sleeve 310, a clamping groove 311 is formed on the circumference of the tail sleeve 310, and the tail portion of the clamping groove 311 is hollowed out and communicates with the inner cavity of the tail sleeve 310; a clamping piece 320 is embedded in the clamping groove 311; when the tail cap 200 is inserted into the outside of the tail clip assembly 300, the tail portion of the clamping groove 311 is squeezed, causing it to bend toward the inner cavity of the tail sleeve 310.

[0056] Preferably, in order to better enable the clamping piece 320 to bend and deform, an extrusion protrusion 321 is provided on the outer end surface of the clamping piece 320 near the tail.

[0057] Preferably, clamping teeth 322 are provided on the inner end surface of the clamping piece 320 .

[0058] When the tail cap 200 is pushed toward the ferrule assembly 100, an interference fit is generated between the tail cap 200 and the extrusion protrusion 321 on the clamping piece 320, and the extrusion protrusion 321 is pushed toward the inner cavity of the tail sleeve 310, so that the clamping teeth 322 on the clamping piece 320 extend into the inner cavity of the tail sleeve 310, squeezing the external optical fiber and clamping it.

[0059] In other embodiments, other clamping structures capable of increasing friction may also be provided on the inner end surface of the clamping piece 320 .

[0060] Specifically, the tail clip assembly 300 also includes a fiber guide tube 330 and a positioning sleeve 340. The positioning sleeve 340 is sleeved on the outside of the fiber guide tube 330, and a connecting groove 341 that can cooperate with the head of the tail sleeve 310 is provided on the circumference. The tail sleeve 310 is fixedly set in the connecting groove 341; the outer end surface of the fiber guide tube 330 is provided with positioning columns 331 corresponding to the number of the clamping pieces 320, and the head of the clamping piece 320 is provided with a positioning hole 323, and the head of the clamping piece 320 is positioned on the outside of the fiber guide tube 330.

[0061] Preferably, the connecting groove 341 is a straight groove arranged on the circumference of the positioning sleeve 340. In order to prevent the tail sleeve 310 from sliding in the straight groove, a positioning groove 3411 is provided on the groove wall of the connecting groove 341, and a positioning protrusion 312 that cooperates with the positioning groove 3411 is provided on the tail sleeve 310. The positioning protrusion 312 is inserted into the positioning groove 3411, so that the tail sleeve 310 cannot move relative to the positioning sleeve 340.

[0062] The above description is merely a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as above in terms of a preferred embodiment, it is not intended to limit the present invention. Any person skilled in the art can, without departing from the scope of the technical solution of the present invention, make some changes or modifications to equivalent embodiments using the technical contents disclosed above. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A fast optical fiber connector, comprising: A ferrule assembly (100) is provided with a pre-buried optical fiber inserted into its head portion and an external optical fiber inserted into its tail portion, so that the pre-buried optical fiber and the external optical fiber are connected; A tail cap (200) is provided at the tail of the ferrule assembly (100) and is used to fix the external optical fiber; Its characteristics are: Also included are, A tail clamp assembly (300) is arranged in the tail cap (200) and is capable of clamping the external optical fiber; A locking component (400) is located between the tail clip assembly (300) and the ferrule assembly (100), and is capable of achieving pivotal locking with the tail cap (200); The ferrule assembly (100) can be positioned and locked with the tail cap (200); The locking component (400) is provided with a first locking column (410), and the ferrule assembly (100) is provided with a second locking column (121); the first locking column (410) and the second locking column (121) enable the tail cap (200) to have a positioning stroke and a locking stroke when the tail cap (200) is pivotally connected to the ferrule assembly (100); during the positioning stroke, the tail cap (200) and the second locking column (121) cooperate to be positioned so as to be sleeved on the tail of the ferrule assembly (100); during the locking stroke, the tail cap (200) is rotated, and the first locking column (410) and the second locking column (121) are simultaneously rotated in the tail cap (200) to be locked with the tail cap (200); The second locking column (121) is located on the outer end surface of the insert assembly (100) near the tail; a positioning slot (201) is provided on the inner wall of the tail cap (200) near the opening, and the end of the positioning slot (201) is connected with a second locking slot (202); during the positioning stroke, the second locking column (121) slides into the positioning slot (201); during the locking stroke, the second locking column (121) rotates in the second locking slot (202); The locking component (400) is a lock buckle, the head of the lock buckle is a sleeve that can be sleeved into the core plug assembly (100), and a locking strip is formed on the sleeve. The first locking column (410) is protruded on the outer end surface of the locking strip; the first locking column (410) is exposed to the outside of the core plug assembly (100); the tail cap (200) is provided with a first locking groove (203) that cooperates with the first locking column (410); during the locking stroke, the first locking column (410) slides in the first locking groove (203).

2. The fast optical fiber connector according to claim 1, characterized in that: The first locking groove (203) is a threaded groove.

3. The fast optical fiber connector according to claim 1, wherein: The tail clip assembly (300) includes a tail sleeve (310), a clamping groove (311) is provided on the circumference of the tail sleeve (310), and the tail of the clamping groove (311) is hollowed out and communicated with the inner cavity of the tail sleeve (310); a clamping piece (320) is embedded in the clamping groove (311); when the tail cap (200) is inserted into the outside of the tail clip assembly (300), the tail of the clamping piece (320) is squeezed to bend toward the inner cavity of the tail sleeve (310).

4. The fast optical fiber connector according to claim 3, characterized in that: An extrusion protrusion (321) is provided on the outer end surface of the clamping piece (320) close to the tail.

5. The fast optical fiber connector according to claim 3, characterized in that: The inner end surface of the clamping piece (320) is provided with clamping teeth (322).

6. The fast optical fiber connector according to claim 2, characterized in that: A spring (500) is further provided in the ferrule assembly (100), one end of the spring (500) being in contact with the ferrule assembly (100), and the other end being in contact with the tail clip assembly (300); when the tail cap (200) is screwed onto the ferrule assembly (100), the tail cap (200) presses the tail clip assembly (300) and the locking component (400) toward the ferrule assembly (100), and the spring (500) is compressed.

7. The fast optical fiber connector according to claim 3, characterized in that: The tail clamp assembly (300) further includes a fiber guide tube (330) and a positioning sleeve (340), wherein the positioning sleeve (340) is sleeved on the outside of the fiber guide tube (330) and is provided with a connecting groove (341) on the circumference thereof, which can cooperate with the head of the tail sleeve (310), and the tail sleeve (310) is fixedly arranged in the connecting groove (341); the outer end surface of the fiber guide tube (330) is provided with positioning columns (331) corresponding to the number of the clamping pieces (320), the head of the clamping piece (320) is provided with a positioning hole (323), and the head of the clamping piece (320) is positioned and arranged on the outside of the fiber guide tube (330).

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