Optical fiber quick connection joint and optical fiber distribution frame

Abstract

The utility model relates to an optical fiber quick connection joint and an optical fiber distribution frame, the optical fiber quick connection joint comprises an optical fiber joint and an optical fiber interface, the optical fiber interface comprises a connection housing, the outer surface of the connection housing is annularly and uniformly provided with a plurality of holes communicated with a groove, the inner wall of each hole is provided with an elastic sheet, and the surface of one side of each elastic sheet is provided with a pressed block. An extrusion block is arranged on the other side surface; the outer surface of the connecting shell is in threaded connection with a locking adjusting ring which synchronously extrudes the multiple pressed slopes. During installation, an optical fiber connector is inserted into the groove, an input optical fiber of the optical fiber connector is initially opposite to an optical fiber core in the groove, then the locking adjusting ring is rotated to synchronously extrude the plurality of pressed inclined planes, so that the elastic sheet is pressed and deformed, and the plurality of pressed blocks synchronously extrude the optical fiber connector shell for locking; and the input optical fiber and the optical fiber core in the groove are further aligned and corrected, so that the connection can be completed, the influence caused by the size difference of the connecting shell can be well reduced while the connection is rapid, and the communication quality is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of optical fiber communication equipment, and more specifically to an optical fiber quick connection joint and an optical fiber distribution frame. Background Art

[0002] Optical fiber distribution frame (ODF) is used for the termination and distribution of trunk optical cables at the central office in optical fiber communication systems, and can easily realize the connection, distribution and scheduling of optical fiber lines. With the increasing degree of network integration, optical-digital hybrid distribution frames integrating ODF, DDF and power distribution units have emerged, which are suitable for small and medium-sized distribution systems of fiber to the community, fiber to the building, remote modules and wireless base stations.

[0003] At present, most of the multiple fiber optic quick-connect connectors configured on the fiber optic distribution frame use grooves of fixed size. After the external optical fiber is inserted, it is locked by components such as locks. In order to ensure smooth insertion, the size of the groove is usually slightly larger than the size of the connection shell of the external optical fiber. This makes it possible for the risk of looseness after insertion, affecting the communication quality. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide an optical fiber quick connection joint and an optical fiber distribution frame in view of the above-mentioned defects of the prior art.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A fiber optic quick-connect connector is constructed, including a fiber optic connector and a fiber optic interface, wherein the fiber optic interface includes a connecting shell, one end of the connecting shell is provided with a groove for the fiber optic connector to be connected, and an optical fiber core is arranged in the groove, wherein the outer surface of the connecting shell is evenly distributed in an annular shape and has a plurality of openings connected to the groove, the inner wall of the opening is provided with a spring sheet, one end of the spring sheet is fixedly connected to the inner wall of the opening, and the other end is suspended; a pressure block is provided on one side surface of the spring sheet, and an extrusion block for extruding the outer surface of the fiber optic connector is provided on the other side surface; a pressure inclined surface is provided on the surface of the pressure block; and a locking adjustment ring for synchronously extruding the plurality of pressure inclined surfaces is threadedly connected to the outer surface of the connecting shell.

[0007] In the optical fiber quick-connect connector of the utility model, the spring piece is in the shape of an elongated strip, and the length direction of the spring piece is consistent with the access direction of the optical fiber connector.

[0008] In the optical fiber quick-connect connector of the utility model, the inner wall of the groove is provided with a plurality of arc-shaped rubber protrusions, and the outer shell of the optical fiber connector is provided with positioning grooves matched with the rubber protrusions.

[0009] The optical fiber quick connection connector of the utility model has a positioning protrusion on the outer shell of the optical fiber connector, and a positioning groove matched with the positioning protrusion is provided on the connection outer shell.

[0010] In the optical fiber quick connection joint of the utility model, a buffer layer is arranged on the outer surface of the extrusion block.

[0011] In the optical fiber quick connection joint of the utility model, the cross section of the pressure block is in a triangular shape.

[0012] The optical fiber quick connection connector of the utility model, wherein the outer shell of the optical fiber connector and the connection outer shell are both cylindrical.

[0013] An optical fiber distribution frame, wherein the optical fiber distribution frame is provided with a plurality of optical fiber quick-connect connectors as described above.

[0014] The beneficial effect of the utility model is that during installation, the optical fiber connector is inserted into the groove, the input optical fiber of the optical fiber connector is initially aligned with the optical fiber core in the groove, and then the locking adjustment ring is rotated to synchronously extrude multiple compressed inclined surfaces, so that the spring piece is compressed and deformed, and multiple compressed blocks synchronously extrude the optical fiber connector shell to lock it, and the input optical fiber and the optical fiber core in the groove are further aligned and corrected to complete the connection. The connection is fast and the influence caused by the difference in the size of the connection shell can be well reduced, thereby improving the communication quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the present invention will be further described below in conjunction with the accompanying drawings and embodiments. The drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work:

[0016] Figure 1 It is a cross-sectional view of an optical fiber quick-connect connector according to a preferred embodiment of the utility model. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the following will be combined with the technical solution in the embodiments of the utility model for a clear and complete description. Obviously, the described embodiments are partial embodiments of the utility model, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0018] The optical fiber quick connect connector of the preferred embodiment of the utility model is as follows Figure 1As shown, it includes an optical fiber connector 1 and an optical fiber interface 2, wherein the optical fiber interface 2 includes a connecting shell 20, wherein a groove 21 for the optical fiber connector 1 to be connected is provided at one end of the connecting shell 20, an optical fiber core 22 is arranged in the groove 21, and a plurality of openings 23 connected to the groove 21 are evenly distributed in an annular shape on the outer surface of the connecting shell 20, an elastic sheet 24 is arranged on the inner wall of the opening 23, one end of the elastic sheet 24 is fixedly connected to the inner wall of the opening 23, and the other end is suspended; a pressure block 240 is arranged on one side surface of the elastic sheet 24, and an extrusion block 241 for extruding the outer surface of the optical fiber connector 1 is arranged on the other side surface; a pressure inclined surface 2400 is arranged on the surface of the pressure block 240; a locking adjustment ring 25 for synchronously extruding the plurality of pressure inclined surfaces 2400 is threadedly connected to the outer surface of the connecting shell 20;

[0019] During installation, the optical fiber connector 1 is inserted into the groove 21, and the input optical fiber 10 of the optical fiber connector 1 is initially aligned with the optical fiber core 22 in the groove 21. Then the locking adjustment ring is rotated to synchronously extrude multiple compressed inclined surfaces, so that the spring piece is compressed and deformed, and multiple compressed blocks synchronously extrude the optical fiber connector shell to lock it. The input optical fiber and the optical fiber core in the groove are further aligned and corrected to complete the connection. The connection is fast and can well reduce the impact caused by the difference in the size of the connection shell, thereby improving the communication quality.

[0020] Preferably, the spring piece 24 is in the shape of an elongated strip and the length direction of the spring piece is consistent with the access direction of the optical fiber connector 1. The cross-section of the pressure block 240 is in a triangular shape. This shape and structural design makes the overall appearance smoother and facilitates the locking adjustment ring 25 to synchronously squeeze multiple pressure blocks 240.

[0021] Preferably, the inner wall of the groove 21 is provided with a plurality of arc-shaped rubber bumps 210, and the outer shell of the optical fiber connector 1 is provided with a positioning groove 11 that cooperates with the rubber bumps 210; this part of the design is added to perform rough positioning when the optical fiber connector 1 is just inserted to prevent it from loosening.

[0022] Preferably, in order to ensure the accuracy of coarse positioning, a positioning protrusion 12 may be provided on the outer shell of the optical fiber connector 1, and a positioning groove 200 cooperating with the positioning protrusion 12 may be provided on the connecting outer shell 20 to facilitate accurate access.

[0023] Preferably, in order to avoid damage to the surface of the optical fiber connector, a buffer layer may be provided on the outer surface of the extrusion block 231 .

[0024] Preferably, the outer shell of the optical fiber connector 1 and the connecting outer shell 20 are both cylindrical.

[0025] A fiber optic distribution frame, wherein a plurality of fiber optic quick connect connectors as described above are arranged on the fiber optic distribution frame; of course, it is understandable that in addition to fiber optic distribution frame type products, the above fiber optic quick connect connectors can also be arranged on other fiber optic products, and there can be many application scenarios.

[0026] It should be understood that those skilled in the art can make improvements or changes based on the above description, and all these improvements and changes should fall within the scope of protection of the claims attached to the utility model.

Claims

1. An optical fiber quick-connect connector, comprising an optical fiber connector and an optical fiber interface, wherein the optical fiber interface comprises a connecting shell, one end of the connecting shell is provided with a groove for the optical fiber connector to be connected, and an optical fiber core is arranged in the groove, characterized in that: The outer surface of the connecting shell is evenly distributed in a ring shape with multiple openings connected to the groove, and the inner wall of the opening is provided with a spring sheet, one end of the spring sheet is fixedly connected to the inner wall of the opening, and the other end is suspended; a pressure block is provided on one side surface of the spring sheet, and an extrusion block for extruding the outer surface of the optical fiber connector is provided on the other side surface; a pressure inclined surface is provided on the surface of the pressure block; the outer surface of the connecting shell is threadedly connected with a locking adjustment ring that synchronously extrudes the multiple pressure inclined surfaces.

2. The optical fiber quick connect connector according to claim 1, characterized in that: The spring piece is in the shape of an elongated strip, and the length direction of the spring piece is consistent with the access direction of the optical fiber connector.

3. The optical fiber quick connect connector according to claim 1, characterized in that: The inner wall of the groove is provided with a plurality of arc-shaped rubber protrusions, and the outer shell of the optical fiber connector is provided with positioning grooves matched with the rubber protrusions.

4. The optical fiber quick connect connector according to claim 3, characterized in that: The outer shell of the optical fiber connector is provided with a positioning protrusion, and the connection outer shell is provided with a positioning groove matched with the positioning protrusion.

5. The optical fiber quick connect connector according to claim 1, characterized in that: The outer surface of the extrusion block is provided with a buffer layer.

6. The optical fiber quick connect connector according to claim 1, characterized in that: The cross section of the pressure block is triangular.

7. The optical fiber quick connect connector according to claim 1, characterized in that: The outer shell of the optical fiber connector and the connecting outer shell are both cylindrical.

8. An optical fiber distribution frame, characterized in that: The optical fiber distribution frame is provided with a plurality of optical fiber quick connect connectors as described in any one of claims 1-7.

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