CN209471276U - A kind of fiber optic connector parts - Google Patents

Abstract

The utility model provides an optical fiber connector spare part, which relates to the field of connectors, and includes a plug and a socket that cooperate with each other. , the plugging surface of the socket is provided with a first slot matching the first base and a second slot matching the second base; the second slot is provided with a first ferrule and a surrounding first socket The second ferrule set by the ferrule, the second base end face is provided with the third slot matching the first ferrule, the fourth slot matching the second ferrule, and the second base is covered with a spring Two installation grooves are symmetrically arranged on the circumferential side wall of the second base, and telescopic sleeves are provided in each installation groove, and the end of the telescopic sleeve exposed to the installation groove is provided with a buckle head, and the outer peripheral sleeve of the telescopic sleeve is provided with a spring; Two buckle channels are symmetrically arranged on the side wall of the second slot, and a limit hole is arranged on the outer periphery of the socket; the utility model has the advantages of good connection and sealing performance, and realizes stable and fast signal transmission.

Description

A kind of fiber optic connector parts

technical field

The utility model relates to the field of connectors, in particular to an optical fiber connector component.

Background technique

Optical fiber connectors are necessary components to connect two optical signals. Determined by the transmission characteristics of the optical signal itself, the two mated plugs and sockets in the optical fiber connector must have high positioning accuracy to achieve the normal transmission of the optical signal and reduce the attenuation of the optical signal at the connection between the two lines. However, the existing ordinary optical fiber connectors have the disadvantage of poor connection sealing. They are prone to loosening when subjected to external vibrations, which may easily cause dust to enter the connector, affect the normal operation of internal components, and then interfere with the normal transmission of optical fiber signals.

Utility model content

In order to overcome the defects of the prior art, the utility model provides a fiber optic connector component, which has the advantages of good connection sealing and realizes stable and fast signal transmission.

For reaching this purpose, the utility model adopts following technical scheme:

The utility model provides an optical fiber connector spare part, which includes a plug and a socket that are mated with each other, and a cylindrical first base is fixed on the plugging surface of the plug and the socket. A base is fixed with a cylindrical second base on the end face away from the plug, the center line of the first base and the center line of the second base coincide with the center line of the plug, The radius of the first base is smaller than the radius of the end face of the plug, the radius of the second base is smaller than the radius of the first base, and the insertion surface of the socket and the plug is recessed inwardly. A first slot matching the first base, the bottom of the first slot is inwardly recessed to form a second slot matching the second base; There is a first ferrule and a second ferrule arranged around the first ferrule, the first ferrule is cylindrical, the second ferrule is circular, and the center line of the first ferrule The center line of the second ferrule coincides with the center line of the second socket, and the end surface of the second base away from the first base is recessed inwardly and is provided with the first ferrule. The matching third slot, the fourth slot matching the second ferrule, the outer periphery of the second base is sheathed with a second spring, and the outer diameter of the second spring is smaller than that of the first The diameter of the two slots, one end of the second spring is fixed on the second base, and the other end is free to move; two mounting grooves are symmetrically arranged on the circumferential side wall of the second base, and the two The installation slots are all located at the end of the second base away from the first base, each of the installation slots is provided with a telescopic sleeve, one end of the telescopic sleeve is fixed at the bottom of the installation slot, and the telescopic sleeve The other end protrudes from the installation groove, and one end of the telescopic sleeve exposed to the installation groove is fixedly provided with a connecting plate, and the side of the connecting plate away from the telescopic sleeve is fixedly provided with a buckle head, and the telescopic sleeve The outer circumference is provided with a first spring, one end of the first spring is fixed on the bottom of the installation groove, and the other end is fixed on the connecting plate; two symmetrically arranged on the peripheral side wall of the second slot are used for The buckle head enters the buckle channel inside the socket, the buckle channel extends to the end face of the socket and communicates with the outside, and the outer peripheral edge of the socket is provided with a limit position that communicates with the buckle channel hole, and the limiting hole is matched with the buckle head.

In a preferred technical solution of the utility model, the sum of the original length of the second spring and the length of the first base is greater than the depth of the first slot, and the length of the first base is less than the length of the first base. The depth of a slot.

In a preferred technical solution of the utility model, the top of the buckle head is hemispherical, and the buckle channel is provided with a chamfer close to the end face of the socket.

In a preferred technical solution of the utility model, the plug is covered with a protective cover, and the circumferential side walls of the plug and the socket are provided with threads suitable for the protective cover, and the The protective sleeve can move along the central line of the plug.

In a preferred technical solution of the utility model, the outer periphery of the protective cover is provided with anti-skid lines.

The beneficial effects of the utility model are:

The utility model provides an optical fiber connector spare part, which has the advantages of simple structure, good connection sealing, and quick installation and disassembly, wherein the plug can be buckled on the limit hole of the socket through the buckle heads on both sides, In addition, the connection between the plug and the socket is covered by the protective sleeve, which changes the simple mating of the traditional optical fiber connector, making the connection between the plug and the socket tighter and less prone to loosening, and achieving stable and fast signal transmission.

Description of drawings

Fig. 1 is a schematic diagram of the structure of an optical fiber connector provided by a specific embodiment of the present invention when the parts are not plugged in;

Fig. 2 is an enlarged view of part A of an optical fiber connector spare part provided by the specific embodiment of the utility model;

Fig. 3 is a schematic diagram of the structure when the buckle head of an optical fiber connector part provided by the specific embodiment of the utility model enters the buckle channel;

Fig. 4 is a schematic structural diagram of an optical fiber connector provided by a specific embodiment of the present invention when the loose parts are plugged in;

Fig. 5 is a left view of a plug of an optical fiber connector component provided in a specific embodiment of the present invention;

Fig. 6 is a right view of a socket of an optical fiber connector component provided in a specific embodiment of the present invention;

Fig. 7 is a cross-sectional view along the line B-B of a socket of an optical fiber connector loose part provided by a specific embodiment of the present invention.

In the picture:

100, plug; 110, first base; 120, second base; 121, third slot; 122, fourth slot; 123, installation slot; 200, socket; 210, first slot; 220, The second slot; 221, the first ferrule; 222, the second ferrule; 230, the buckle channel; 231, the limit hole; 300, the telescopic sleeve; 310, the connecting plate; 320, the buckle head; 410, the first A spring; 420, the second spring; 500, the protective cover.

Detailed ways

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the accompanying drawings and technical solutions that need to be used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, in the following description The accompanying drawings are only some embodiments of the utility model, and those skilled in the art can also obtain other drawings according to these drawings without creative work.

The technical solutions of the present utility model will be further described below in conjunction with the accompanying drawings and through specific embodiments. It should be noted that the drawings in the specific embodiments are only schematic diagrams and do not limit the size. The actual size is subject to the actual object.

As shown in Figures 1 to 7, it includes a plug 100 and a socket 200 that are plugged and mated with each other, and a cylindrical first base 110 is fixed on the plugging surface of the plug 100 and the socket 200. The end surface of the first base 110 away from the plug 100 is fixed with a cylindrical second base 120, the centerline of the first base 110 and the centerline of the second base 120 are both in line with the The center line of the plug 100 coincides, the radius of the first base 110 is smaller than the radius of the end face of the plug 100, the radius of the second base 120 is smaller than the radius of the first base 110, and the socket 200 and The insertion surface of the plug 100 is inwardly recessed with a first slot 210 matching the first base 110 , and the bottom of the first slot 210 is inwardly recessed to form a connection with the second base 120 . A matched second slot 220; the second slot 220 is fixed with a first ferrule 221 and a second ferrule 222 surrounding the first ferrule 221, and the first ferrule 221 is Cylindrical, the second ferrule 222 is annular, the centerline of the first ferrule 221 and the centerline of the second ferrule 222 coincide with the centerline of the second slot 220, The end surface of the second base 120 away from the first base 110 is recessed inwardly to provide a third slot 121 matching with the first ferrule 221 and a third slot 121 matching with the second ferrule 222 . The fourth slot 122, the outer periphery of the second base 120 is covered with a second spring 420, the outer diameter of the second spring 420 is smaller than the diameter of the second slot 220, one end of the second spring 420 It is fixed on the second base 120, and the other end is free to move; two installation grooves 123 are symmetrically arranged on the circumferential side wall of the second base 120, and the two installation grooves 123 are located on the second One end of the base 120 away from the first base 110, each of the installation grooves 123 is provided with a telescopic sleeve 300, one end of the telescopic sleeve 300 is fixed at the bottom of the installation groove 123, and the other end of the telescopic sleeve 300 is One end protrudes from the installation groove 123, and one end of the telescopic sleeve 300 exposed to the installation groove 123 is fixedly provided with a connecting plate 310, and the side of the connecting plate 310 away from the telescopic sleeve 300 is fixedly provided with a buckle head 320, the outer circumference of the telescopic sleeve 300 is provided with a first spring 410, one end of the first spring 410 is fixed on the bottom of the installation groove 123, and the other end is fixed on the connecting plate 310; the second slot 220 Two snapping passages 230 are arranged symmetrically on the circumferential side wall for the snapping head 320 to enter the inside of the socket 200 , and the snapping passages 230 extend to the end face of the socket 200 to communicate with the outside. The outer periphery of the socket 200 is provided with a limit hole 231 communicating with the buckle channel 230 , and the limit hole 231 is matched with the buckle head 320 .

Further, the sum of the original length of the second spring 420 and the length of the first base 110 is greater than the depth of the first slot 210, and the length of the first base 110 is smaller than the length of the first slot 210 The depth is set so that when the buckle head 320 is buckled to the limit hole 231 through the buckle channel 230, the second spring 420 is on the end surface of the first base 110 and the The bottom of the first slot 210 is constantly compressed under the mutual clamping action of the bottom of the first slot 210. When the buckle head 320 is snapped into the limiting hole 231, the second spring 420 is in a compressed state. When the buckle head 320 is pressed inward by the outer periphery of the 200, under the elastic action of the second spring 420, the plug 100 can be quickly disengaged from the socket 200, which is convenient for the staff to separate the plug 100 from the socket 200 .

Further, the top of the buckle head 320 is hemispherical, and the top spherical surface of the buckle head 320 is upward, and the buckle channel 230 is provided with a chamfer near the end surface of the socket 200 (not shown in the figure), That is, the entrance of the snap channel 230 is provided with a chamfer, and the setting of the chamfer and the hemispherical snap head 320 makes it easier for the snap head 320 to enter the snap channel from the outside. 230, making it more convenient for staff to dock the plug 100 and the socket 200.

Further, the plug 100 is covered with a protective sleeve 500, the peripheral side wall of the plug 100 and the peripheral side wall of the socket 200 are provided with threads that are compatible with the protective sleeve 500, and the protective sleeve 500 can move along the central line of the plug 100, and the setting of the protective cover 500 can not only further strengthen the connection between the plug 100 and the socket 200, but also prevent foreign dust from coming from the plug 100 and the socket 200. The connection part of the socket 200 enters into the inside of the connector, preventing external dust from damaging the internal components of the connector.

Further, the outer periphery of the protective cover 500 is provided with anti-slip lines, the setting of the anti-slip lines makes it easier for the staff to grasp the protective cover 500, so that the staff can rotate and move the protective cover 500, so that the protective cover 500 The sleeve 500 wraps the connection between the plug 100 and the socket 200 .

Working process: (1) When the plug 100 needs to be plugged into the socket 200, first press the buckle heads 320 on both sides into the installation groove 123, so that the buckle heads 320 on both sides can respectively enter into a As shown in Figure 3 in the buckle channel 230, then push the whole plug 100 to the inside of the socket 200 until the buckle head 320 moves to the right below the limit hole 231, and under the elasticity of the first spring 410, the buckle The head 320 is buckled in the limit hole 231, and then the protective cover 500 is rotated so that the protective cover 500 moves in a direction close to the socket 200, so that the protective cover 500 covers the connection between the plug 100 and the socket 200, and the plug 100 and the socket are completed. 200; (2) When the plug 100 needs to be disengaged from the socket 200, first rotate the protective cover 500 so that the protective cover 500 moves away from the socket 200 until the protective cover 500 is completely separated from the socket 200, and then pass Press the buckle heads 320 on both sides to the inside of the socket 200 at the same time, under the elastic action of the second spring 420, and pull the entire plug 100 to the outside of the socket 200, the buckle heads 320 on both sides are out of the limit The hole 231 realizes quick separation of the plug 100 and the socket 200 .

The utility model provides a kind of optical fiber connector spare parts, which has the advantages of simple structure, good connection sealing, and quick installation and disassembly, wherein the plug 100 can be buckled in the limit position of the socket 200 through the buckle heads 320 on both sides On the hole 231, the connection between the plug 100 and the socket 200 is covered by the protective sleeve 500, which changes the simple mating of the traditional optical fiber connector, making the connection between the plug 100 and the socket 200 tighter and less difficult. Loose for stable and fast signal transmission.

The utility model is described through preferred embodiments, and those skilled in the art know that various changes or equivalent replacements can be made to these features and embodiments without departing from the spirit and scope of the utility model. The utility model is not limited by the specific embodiments disclosed here, and other embodiments falling within the claims of the application all belong to the protection scope of the utility model.

Claims (5)

1. A fiber optic connector component, characterized in that: It includes a plug (100) and a socket (200) that are mated with each other, and a cylindrical first base (110) is fixed on the plugging surface of the plug (100) and the socket (200). The end surface of the first base (110) away from the plug (100) is fixed with a cylindrical second base (120), the centerline of the first base (110) and the second base The center line of the seat (120) coincides with the center line of the plug (100), the radius of the first base (110) is smaller than the radius of the end face of the plug (100), and the second base (120) ) radius is smaller than the radius of the first base (110), the insertion surface of the socket (200) and the plug (100) is recessed inwardly to match the first base (110) the first slot (210), the bottom of the first slot (210) is inwardly recessed to form a second slot (220) matching the second base (120); A first ferrule (221) and a second ferrule (222) arranged around the first ferrule (221) are fixed in the second slot (220), and the first ferrule (221) It is cylindrical, the second ferrule (222) is circular, and the centerline of the first ferrule (221) and the centerline of the second ferrule (222) are both in line with the second ferrule (222). The centerlines of the grooves (220) are coincident, and the end surface of the second base (120) away from the first base (110) is recessed inwardly and provided with a third socket matching the first ferrule (221). A slot (121), a fourth slot (122) matching the second ferrule (222), a second spring (420) is sheathed on the outer periphery of the second base (120), the The outer diameter of the second spring (420) is smaller than the diameter of the second slot (220), one end of the second spring (420) is fixed on the second base (120), and the other end is free to move; Two installation grooves (123) are symmetrically arranged on the circumferential side wall of the second base (120), and the two installation grooves (123) are located on the second base (120) away from the first One end of the base (110), each of the installation grooves (123) is provided with a telescopic sleeve (300), one end of the telescopic sleeve (300) is fixed at the bottom of the installation groove (123), and the telescopic sleeve The other end of (300) protrudes from the installation groove (123), and one end of the telescopic sleeve (300) exposed to the installation groove (123) is fixedly provided with a connecting plate (310), and the connecting plate (310) is away from One side of the telescopic sleeve (300) is fixed with a buckle head (320), the outer circumference of the telescopic sleeve (300) is provided with a first spring (410), and one end of the first spring (410) is fixed to the The bottom of the mounting groove (123) and the other end are fixed on the connecting plate (310); two symmetrically arranged on the peripheral side wall of the second slot (220) are used to attach the buckle head (320) Enter the buckle channel (230) inside the socket (200), the buckle channel (230) extends to the end face of the socket (200) and communicates with the outside, and the outer periphery of the socket (200) is provided with The buckle channel (230) is connected to a limit hole (231), and the limit hole (231) matches the buckle head (320). 2. A fiber optic connector component according to claim 1, characterized in that: The sum of the original length of the second spring (420) and the length of the first base (110) is greater than the depth of the first slot (210), and the length of the first base (110) is less than the The depth of the first slot (210). 3. A fiber optic connector component according to claim 1, characterized in that: The buckle head (320) has a hemispherical top, and the buckle channel (230) is provided with a chamfer close to the end face of the socket (200). 4. A fiber optic connector component according to claim 1, characterized in that: The plug (100) is covered with a protective cover (500), and the peripheral side wall of the plug (100) and the peripheral side wall of the socket (200) are all provided with a protective cover (500). threads, and the protective sleeve (500) can move along the central line of the plug (100). 5. A fiber optic connector component according to claim 4, characterized in that: The outer periphery of the protective cover (500) is provided with anti-skid lines.