CN216052301U

CN216052301U - General type fiber connector

Info

Publication number: CN216052301U
Application number: CN202122393650.5U
Authority: CN
Inventors: 柳红雷
Original assignee: CIXI HUIZHONG COMMUNICATION TECHNOLOGY CO LTD
Current assignee: CIXI HUIZHONG COMMUNICATION TECHNOLOGY CO LTD
Priority date: 2021-09-30
Filing date: 2021-09-30
Publication date: 2022-03-15
Anticipated expiration: 2031-09-30

Abstract

The utility model relates to a universal optical fiber connector, which comprises a ferrule assembly fixedly connected with an optical fiber, an outer frame sleeve and a tail cover pivoted with one end of the ferrule assembly; the outer frame sleeve is provided with an opening and closing device, the opening and closing device is connected to the outer frame sleeve in a limiting mode and can drive the outer frame sleeve to slide on the ferrule assembly, and the head of the ferrule assembly is exposed out of the front end of the outer frame sleeve or retracts into the outer frame sleeve. The utility model has the beneficial effects that: 1. the opening and closing device is arranged, a user can operate with a single hand and push the opening and closing device against the light adapter, the outer frame sleeve can be opened, double-hand operation is not needed, the use is convenient, and the working efficiency is high; 2. set up the fixation clamp, press from both sides the aramid fiber silk tight between the chuck of fixation clamp and inside casing cover, do not receive the influence of aramid fiber silk when the wire in the optic fibre inserts in the lock pin subassembly, simple to operate.

Description

General type fiber connector

Technical Field

The utility model relates to the technical field of optical fiber communication, in particular to a universal optical fiber connector.

Background

As communication technology develops, optical fiber transmission is increasingly used in communication systems, and as the use of optical fibers increases, it becomes more and more important to interface two optical fibers repeatedly and quickly. Currently, optical fibers are generally connected to each other by a fiber connector, which includes a fiber adapter and two fiber connector plugs, wherein the fiber connector plug is connected to one end of the optical fiber, and each of the two optical fibers is connected to one fiber adapter by one fiber connector plug.

The two ends of the optical fiber adapter are respectively provided with an opening matched with the optical fiber connector plug, and the two optical fiber connector plugs are respectively inserted into the two openings of the optical fiber adapter, so that the inserting cores of the two optical fiber connector plugs are butted in the optical fiber adapter, namely, the butt joint of the end faces of two optical fibers needing to be connected is realized, and the optical signal output by the transmitting optical fiber can be coupled into the receiving optical fiber to the maximum extent.

The conventional optical fiber connector is generally provided with a ferrule assembly and an outer frame sleeve, wherein the outer frame sleeve is sleeved outside the ferrule assembly and can slide relative to the ferrule assembly, when the optical fiber connector is used, one hand is required to hold the tail part of the ferrule assembly, the other hand is required to slide the outer frame sleeve, and the head part of the ferrule assembly is exposed so as to be spliced into an optical fiber adapter. When a plurality of optical fiber connectors are required to be plugged into the optical fiber adapter, the operation is inconvenient, and the working efficiency is low.

Simultaneously, when inserting optic fibre in the fiber connector, need peel open the outside insulating layer of optic fibre, still be equipped with the aramid fiber silk in the insulating layer, the aramid fiber silk is thin again soft, if not fixed, influences the connection of the wire in the optic fibre.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems in the prior art, the utility model provides a universal optical fiber connector which is convenient to plug in an optical fiber adapter and can fix aramid fibers.

A general optical fiber connector comprises a ferrule assembly fixedly connected with an optical fiber, an outer frame sleeve and a tail cover pivoted with one end of the ferrule assembly; the outer frame sleeve is provided with an opening and closing device, the opening and closing device is connected to the outer frame sleeve in a limiting mode and can drive the outer frame sleeve to slide on the ferrule assembly, and the head of the ferrule assembly is exposed out of the front end of the outer frame sleeve or retracts into the outer frame sleeve.

By adopting the technical scheme, the opening and closing device is arranged to drive the outer frame sleeve to slide, and a user only needs to move the opening and closing device to drive the outer frame sleeve to move.

The technical scheme is further set as follows: the opening and closing device comprises an end wall and a shell body connected with two side walls, wherein a limiting protrusion is arranged on the inner end surface of the end wall, and the limiting protrusion extends into the ferrule assembly through the hollow part of the outer frame sleeve; and when the side walls are arranged on the outer side of the outer frame sleeve, the guide sliding parts extend out of the side part of the outer frame sleeve.

Through adopting above-mentioned technical scheme, set up the portion of sliding of leading on opening and close the ware, the user only needs to lead the portion of sliding butt on the terminal surface of light adapter, promotes the lock pin subassembly, can stretch out the outside of outer frame cover with the head of lock pin subassembly, and one hand can be operated, need not to use both hands to carry out relative movement to outer frame cover and lock pin subassembly.

The technical scheme is further set as follows: the ferrule assembly is provided with a sliding groove matched with the limiting protrusion, and the length of the sliding groove is greater than that of the limiting protrusion.

The technical scheme is further set as follows: the ferrule assembly comprises a ferrule and an inner frame sleeve, and the sliding groove is arranged on the outer wall of the ferrule.

The technical scheme is further set as follows: the inner end face of the guide sliding part is higher than the side wall and can be buckled with the concave part of the outer frame sleeve.

The technical scheme is further set as follows: the lower end of the opening and closing device extends inwards to form a stop table, and the lower end of the outer frame sleeve is erected on the stop table.

The technical scheme is further set as follows: the ferrule assembly is provided with a fixing clamp; the tail part of the ferrule assembly is provided with a chuck consisting of two symmetrical arc-shaped walls, and the optical fiber extends into the ferrule assembly from the space between the two chucks; the fixing clip is disposed inside the chuck and is clamped by the chuck.

Through adopting above-mentioned technical scheme, set up the fixation clamp, wire and aramid fiber silk pass in the clearance of fixation clamp together, buckle aramid fiber silk from the mount top downwards again, hug closely the outside of fixation clamp, insert again and clip in the chuck, make aramid fiber silk can not remove at will, disturb the insertion of wire.

The technical scheme is further set as follows: the fixing clamp comprises two arc-shaped walls matched with the chuck, the end parts of the arc-shaped walls are provided with hook parts and hook grooves, and the hook parts and the hook grooves on the two arc-shaped walls are correspondingly arranged.

The technical scheme is further set as follows: a wire clamping groove is formed in the outer end face of the arc-shaped wall of the fixing frame, and a plurality of clamping protrusions are arranged in the wire clamping groove; the aramid fiber filaments on the optical fibers are stripped and are tightly attached to the wire clamping grooves downwards and then are pressed tightly through the clamping heads.

Through adopting above-mentioned technical scheme, set up and press from both sides tight protruding, press from both sides the aramid fiber silk tight between tight protruding and chuck inner wall, increase frictional force, place the aramid fiber silk roll-off.

The technical scheme is further set as follows: the fixing clamp is arranged at the tail end of the inner frame sleeve of the ferrule assembly.

The utility model has the beneficial effects that:

1. the opening and closing device is arranged, a user can operate with a single hand and push the opening and closing device against the light adapter, the outer frame sleeve can be opened, double-hand operation is not needed, the use is convenient, and the working efficiency is high;

2. set up the fixation clamp, press from both sides the aramid fiber silk tight between the chuck of fixation clamp and inside casing cover, do not receive the influence of aramid fiber silk when the wire in the optic fibre inserts in the lock pin subassembly, simple to operate.

Drawings

Fig. 1 is a schematic diagram of an explosive structure of the present invention.

Fig. 2 is a schematic structural view of the opening and closing device.

Fig. 3 is a schematic view of a connection structure of the opening and closing device on the outer frame sleeve.

Fig. 4 is a schematic structural view of the fixing clip.

Fig. 5 is a schematic cross-sectional structure of the present invention.

Fig. 6 is a schematic cross-sectional view of the present invention in use.

The attached drawings are marked with: 100. an optical fiber; 200. a ferrule assembly; 201. inserting a core; 202. an inner frame sleeve; 300. an outer frame sleeve; 400. a tail cover; 500. an opening and closing device; 501. an end wall; 502. A side wall; 5011. a limiting protrusion; 503. a slide guide part; 2022. a chute; 504. a stopping table; 2021. a chuck; 600. a fixing clip; 601. a hook part; 602. hooking a groove; 603. a wire clamping groove; 6031. a clamping boss; 700. and a wire protecting sleeve.

Detailed Description

To further illustrate the technical means and effects of the present invention for achieving the intended purpose of the utility model, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.

As shown in fig. 1 to 5, the present invention provides a universal optical fiber connector.

Specifically, fig. 1 includes a ferrule 201 assembly 200 fixedly connected to an optical fiber 100, an outer frame 300, and a tail cap 400 pivotally connected to an end of the ferrule assembly 200. The tail cover 400 is provided with a wire sheath 700. When the optical fiber 100 is inserted into the ferrule 201 assembly 200, an external insulating layer needs to be stripped, aramid fibers are arranged in the insulating layer, the aramid fibers are downward carded, and then a lead is inserted into the ferrule 201 assembly 200. The tail part of the ferrule assembly 200 is provided with a fixing clamp 600, the aramid fiber wires are combed and clamped by the fixing clamp 600, and the aramid fiber wires are fixed at the tail part of the ferrule assembly 200 through a tail cover 400. The ferrule assembly 200 includes a ferrule 201 and an inner frame 202, the ferrule 201 is inserted into the inner frame 202, and the outer frame 300 is sleeved outside the inner frame 202 and can slide up and down relative to the inner frame 202. As shown in fig. 6, the outer frame 300 is provided with an opening/closing device 500, and a user slides the outer frame 300 by pulling the opening/closing device 500. When the outer frame sleeve 300 slides downwards, the upper end of the ferrule 201 assembly 200 is exposed outside the outer frame sleeve 300 and can be plugged with external equipment; when the outer frame 300 slides up, the upper end of the ferrule assembly 200 is retracted into the outer frame 300.

As shown in fig. 2, the open/close device 500 includes a housing having an end wall 501 and two side walls 502, wherein the two side walls 502 are connected to two sides of the end wall 501, one end of the side wall 502 is connected to the end wall 501, and the other end is provided with a guiding portion 503. As shown in fig. 3, when the opening/closing device 500 is coupled to the outer frame case 300, the sliding guide 503 extends to the side of the outer frame case 300 and is higher than the end of the outer frame case 300. As shown in fig. 5, a limiting protrusion 5011 is arranged on the inner side of the end wall 501 of the opener 500, a hollow capable of accommodating the limiting protrusion 5011 to pass through is arranged on the outer frame sleeve 300, the limiting protrusion 5011 extends into the ferrule 201 assembly 200 through the hollow and is slidably connected with the ferrule 201 of the ferrule 201 assembly 200, a sliding groove 2022 matched with the limiting protrusion 5011 is arranged on the ferrule 201, and the length of the sliding groove 2022 is greater than that of the limiting protrusion 5011.

When the limit bump 5011 is positioned at the uppermost end of the sliding groove 2022, the head of the ferrule 201 assembly 200 retracts into the outer frame sleeve 300; when the limit projection 5011 is located at the lowermost end of the sliding groove 2022, the head of the ferrule assembly 200 is exposed to the upper end of the outer frame 300 and can be plugged into a device.

In this embodiment, the inner end surface of the sliding guide 503 is higher than the sidewall 502 of the opener 500, and can catch the concave portion of the outer frame sleeve 300. The structure of the outer frame 300 is the same as that of the outer frame of the optical fiber connector in the prior art, and will not be described herein.

In this embodiment, the lower end of the opener 500 is provided with a stop 504 extending inward, and the lower end of the outer frame 300 is mounted on the stop 504.

As shown in fig. 4, the fixing clip 600 includes two arc-shaped walls, a hook 601 and a hook 602 are disposed at the end of each arc-shaped wall, and the hook 601 and the hook 602 on the two arc-shaped walls are disposed correspondingly. The outer end face of the arc-shaped wall of the fixing frame is provided with a wire clamping groove 603, a plurality of clamping protrusions 6031 are arranged in the wire clamping groove 603, and the aramid fiber wires are bent downwards and tightly attached to the wire clamping groove 603. The two arc-shaped walls are combined, the hook part 601 is connected with the hook groove 602 in a matched mode, the conducting wire without the insulating layer and the aramid fiber yarn penetrate through a gap between the two arc-shaped walls, and the aramid fiber yarn penetrates and then bends downwards to be tightly attached to the wire clamping groove 603.

The tail of the ferrule 201 assembly 200 is a clamping head 2021 composed of two arc walls symmetrically arranged, the fixed frame is inserted into the clamping head 2021, and the two arc walls of the clamping head 2021 are tightly attached to the outer side of the wire clamping groove 603 to clamp the aramid fiber wires.

In this embodiment, the retaining clip 600 is disposed at the end of the inner frame 202.

When the optical fiber connector is used, a user only needs to hold the inner frame sleeve, then the front end of the sliding guide part of the opening and closing device is abutted to the end face of the optical fiber adapter and is pushed forwards gently, the sliding guide part can drive the outer frame sleeve to slide backwards relative to the ferrule assembly, and the upper end of the ferrule assembly is exposed and can be spliced.

When the storage box is used for storing, only the inner frame sleeve needs to be held, the rear end of the sliding guide part on the opening and closing device is abutted and pushed to move the sliding guide part, so that the opening and closing device moves forwards to drive the outer frame sleeve to move, and the upper end of the inserting core assembly retracts into the outer frame sleeve.

Although the present invention has been described with reference to the preferred embodiments, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the utility model as defined by the appended claims.

Claims

1. A general optical fiber connector comprises a ferrule assembly (200) fixedly connected with an optical fiber (100), an outer frame sleeve (300) and a tail cover (400) pivoted with one end of the ferrule (201) assembly (200); the method is characterized in that: the outer frame sleeve (300) is provided with an opening and closing device (500), the opening and closing device (500) is connected to the outer frame sleeve (300) in a limiting mode and can drive the outer frame sleeve (300) to slide on the inserting core (201) assembly (200), and the head of the inserting core assembly (200) is exposed out of the front end of the outer frame sleeve (300) or retracts into the outer frame sleeve (300).

2. The universal fiber optic connector of claim 1, wherein: the open-close device (500) comprises a shell body with an end wall (501) and two side walls (502) connected, wherein a limiting protrusion (5011) is arranged on the inner end face of the end wall (501), and the limiting protrusion (5011) extends into the insertion core (201) assembly (200) through the hollow of the outer frame sleeve (300); the two side walls (502) of the open-close device (500) are provided with guide sliding parts (503) in an extending mode, and when the side walls (502) are arranged on the outer side of the outer frame sleeve (300), the guide sliding parts (503) extend out of the side parts of the outer frame sleeve (300).

3. The universal fiber optic connector of claim 2, wherein: the plug core assembly (200) is provided with a sliding groove (2022) matched with the limit protrusion (5011), and the length of the sliding groove (2022) is greater than that of the limit protrusion (5011).

4. The universal fiber optic connector of claim 3, wherein: the ferrule assembly (200) comprises a ferrule (201) and an inner frame sleeve (202), and the sliding groove (2022) is arranged on the outer wall of the ferrule (201).

5. The universal fiber optic connector of claim 2, wherein: the inner end surface of the sliding guide part (503) is higher than the side wall (502) and can be buckled with the concave part of the outer frame sleeve (300).

6. The universal fiber optic connector of claim 1, wherein: the lower end of the opening and closing device (500) extends inwards to form a stop table (504), and the lower end of the outer frame sleeve (300) is erected on the stop table (504).

7. The universal fiber optic connector of claim 1, wherein: the ferrule assembly (200) is provided with a fixing clamp (600); the tail part of the ferrule assembly (200) is provided with a clamping head (2021) consisting of two symmetrical arc walls, and the optical fiber (100) extends into the ferrule assembly (200) from the space between the two clamping heads (2021); the fixing clip (600) is arranged inside the collet (2021) and is clipped by the collet (2021).

8. The universal fiber optic connector of claim 7, wherein: the fixing clamp (600) comprises two arc-shaped walls matched with the clamping head (2021), a hook part (601) and a hook groove (602) are arranged at the end part of each arc-shaped wall, and the hook parts (601) and the hook grooves (602) on the two arc-shaped walls are correspondingly arranged.

9. The universal fiber optic connector of claim 8, wherein: a wire clamping groove (603) is formed in the outer end face of the arc-shaped wall of the fixing clamp (600), and a plurality of clamping protrusions (6031) are arranged in the wire clamping groove (603); the aramid fiber filaments on the optical fibers (100) are stripped and tightly attached to the wire clamping grooves (603) downwards, and then are pressed tightly through the clamping heads (2021).

10. The universal fiber optic connector of claim 8, wherein: the retaining clip (600) is disposed at a distal end of an inner frame sleeve (202) of the ferrule assembly (200).