CN218938570U - Optical fiber plug mandrel protection structure - Google Patents

Abstract

The utility model relates to an optical fiber plug mandrel protection structure which comprises a wire harness, a shell and a mandrel assembly, wherein the mandrel assembly comprises a cylindrical mandrel, a spring and a cone sleeve, the shell is cylindrical, a base is arranged at the rear end of the shell, a dust cover is arranged at the front end of the shell, the mandrel is vertically inserted on the base, the wire harness penetrates through the shell and is connected with the mandrel, a through hole is formed in the dust cover corresponding to the mandrel, the spring and the cone sleeve are sleeved on the mandrel, one end of the spring is connected with the base, the other end of the spring is connected with the cone sleeve, and the outer side of the cone sleeve is movably abutted with the through hole. Utilize the elasticity that the spring provided to make cone headgear shutoff through-hole, when preventing that the plug from vacant, in the dust got into the plug, by the dabber absorption, avoid producing the electrical connection trouble, improve the reliability of plug, and need not to use rope connection cone headgear, avoid the pencil to knot, improve user's use experience.

Description

Optical fiber plug mandrel protection structure

Technical Field

The utility model relates to the technical field of communication plugs, in particular to a core shaft protection structure of an optical fiber plug.

Background

In the modern communications industry, optical fibers are widely used for the connection between optical fibers and optical devices with low signal loss and high transmission efficiency. When in use, the optical fiber conveying plug is inserted into the plug bush, and the optical fiber in the optical fiber conveying line is arranged in the plug core in a penetrating way, so that the optical fiber conveying plug has the advantage of simple structure. When the existing optical fiber plug is not used, the plug is directly exposed, dust is easily adsorbed on a copper core of the plug in a static manner for a long time, and the direct connection is easy to influence to generate electrical faults, so that the communication quality is influenced. The existing treatment mode is to integrate a dustproof cap on the plug, for example, application number 201721062264.5 discloses a scheme for protecting the plug by using the dustproof cap, and the method needs to integrate ropes on the plug, so that the method is inconvenient to use, and in some office occasions, the ropes are easy to tie with other wire harnesses, so that the use experience is poor, and therefore, improvement is needed.

Disclosure of Invention

Accordingly, it is desirable to provide a fiber optic plug mandrel protection structure that addresses the above-described issues.

The utility model provides an optic fibre plug dabber protection architecture, includes pencil, casing and dabber subassembly, dabber subassembly includes cylindric dabber, spring and cone cover, the casing is cylindric, the casing rear end is provided with the base, the casing front end is provided with the shield, the dabber is pegged graft perpendicularly on the base, the pencil runs through the casing and is connected with the dabber, correspond on the shield the dabber is provided with the through-hole, spring and cone cover all overlap and establish at the spindle, spring one end is connected with the base, and the other end is connected with the cone cover, cone cover outside and through-hole activity butt.

Preferably, the shell comprises an outer shell and an inner lining, the inner lining is arranged in the outer shell, a gap exists between the inner lining and the inner wall of the outer shell, and the dust cover is arranged in the inner lining.

Preferably, the cone sleeve is provided with an elastic strip on the outer side, a sliding groove is formed in the inner side wall of the lining along the axial direction, and the tail end of the elastic strip is movably clamped with the sliding groove.

Preferably, a sealing ring is sleeved on the inner liner outer ring.

Preferably, a buckle is arranged on the outer side of the shell.

The utility model has the advantages that: utilize the elasticity that the spring provided to make cone headgear shutoff through-hole, when preventing that the plug from vacant, in the dust got into the plug, by the dabber absorption, avoid producing the electrical connection trouble, improve the reliability of plug, and need not to use rope connection cone headgear, avoid the pencil to knot, improve user's use experience.

Drawings

FIG. 1 is a schematic perspective view of a protecting structure for a fiber optic plug mandrel according to one embodiment;

fig. 2 is an exploded view of a fiber optic plug mandrel protection structure.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1-2, an optical fiber plug core shaft protection structure comprises a wire harness 1, a shell 2 and a core shaft assembly 3, wherein the core shaft assembly 3 comprises a cylindrical core shaft 31, a spring 32 and a cone sleeve 33, the shell 2 is cylindrical, a base 4 is arranged at the rear end of the shell 2, a dust cover 5 is arranged at the front end of the shell 2, the core shaft 31 is vertically inserted on the base 4, the wire harness 1 penetrates through the shell 2 and is connected with the core shaft 31, a through hole 51 is formed in the dust cover 5 corresponding to the core shaft 31, the spring 32 and the cone sleeve 33 are sleeved on the core shaft 31, one end of the spring 32 is connected with the base 4, the other end of the spring 32 is connected with the cone sleeve 33, and the outer side of the cone sleeve 33 is movably abutted to the through hole 51. Specifically, the wire harness 1 runs through the casing 2 made of plastic and then is connected with the core shaft 31 made of copper, in the design, two core shafts 31 are arranged in the casing 2 side by side and extend along the axial direction of the casing 2, the dustproof cover 5 is arranged at the port of the casing 2, the end part of the core shaft 31 is flush with the dustproof cover 5, when the plug is separated from the socket, the spring 32 is not stressed, the cone head sleeve 33 is clamped with the through hole 51 under the action of the spring 32, the gap between the core shaft 31 and the through hole 51 is blocked, so that the core shaft 31 only leaks out of one end surface, further, the situation that the plug is not used is avoided, dust is adsorbed by static electricity, the core shaft 31 is electrically failed in normal connection, the reliability of the plug is improved, a flip type dustproof cap is not required, when the socket is connected with the plug, the metal sleeve corresponding to the core shaft 31 directly acts on the cone head sleeve 33, the spring 32 is compressed, the sleeve is contacted with the periphery of the core shaft 31, the electric connection is completed, the use is very convenient, and the use experience of a user is enhanced.

As shown in fig. 2, the housing 2 includes an outer shell 21 and an inner liner 22, the inner liner 22 is sleeved in the outer shell 21, a gap is formed between the inner liner 22 and the inner wall of the outer shell 21, and the dust cover 5 is installed in the inner liner 22. Specifically, the shell 21 and the liner 22 are made of plastic, a gap is reserved between the shell 21 and the liner 22, so that the socket is convenient to insert, a sleeve made of metal is arranged in the socket corresponding to the mandrel 31, and the dust cover 5 is arranged in the liner 22, so that the socket is not affected to insert correspondingly.

As shown in fig. 2, an elastic strip 331 is disposed on the outer side of the cone sleeve 33, a sliding groove 221 is disposed on the inner side wall of the liner 22 along the axial direction, and the end of the elastic strip 331 is movably clamped with the sliding groove 221. Specifically, the elastic strip 331 is limited by the chute 221, so that the elastic strip can only move back and forth along the direction of the chute 221, so as to prevent the stress from deviating, the taper sleeve 33 is dislocated with the through hole 51, the through hole 51 cannot be effectively blocked, and dust is led to enter from the through hole 51 and is electrostatically adsorbed by the mandrel 31, so that electrical faults are easy to occur during use.

As shown in fig. 2, a sealing ring 222 is sleeved on the outer ring of the liner 22. Specifically, the sealing performance of the joint is improved when the device is connected with the socket, and dust and water are prevented from entering.

As shown in fig. 1 to 2, a buckle 211 is provided on the outer side of the housing 21. Specifically, the buckle 211 is connected by a torsion spring, can be turned over, and is connected with the socket by the buckle 211 to prevent false pulling.

The above examples illustrate only a few embodiments of the utility model, which are described in detail and are not to be construed as limiting the scope of the utility model. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the utility model, which are all within the scope of the utility model. Accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims (5)

1. The utility model provides an optic fibre plug dabber protection architecture which characterized in that: including pencil, casing and dabber subassembly, dabber subassembly includes cylindric dabber, spring and cone headgear, the casing is cylindric, the casing rear end is provided with the base, the casing front end is provided with the shield, the dabber is pegged graft perpendicularly on the base, the pencil runs through the casing and is connected with the dabber, correspond on the shield the dabber is provided with the through-hole, spring and cone headgear all overlap and establish at the spindle, spring one end is connected with the base, and the other end is connected with the cone headgear, cone headgear outside and through-hole activity butt.

2. A fiber optic plug mandrel protection structure according to claim 1, wherein: the shell comprises a shell and a lining, the lining is arranged in the shell, a gap exists between the lining and the inner wall of the shell, and the dust cover is arranged in the lining.

3. A fiber optic plug mandrel protection structure according to claim 2, wherein: the inner liner is characterized in that an elastic strip is arranged on the outer side of the cone sleeve, a sliding groove is formed in the inner side wall of the inner liner along the axial direction, and the tail end of the elastic strip is movably clamped with the sliding groove.

4. A fiber optic plug mandrel protection structure according to claim 2, wherein: and a sealing ring is sleeved on the outer ring of the lining.

5. A fiber optic plug mandrel protection structure according to claim 2, wherein: the outer side of the shell is provided with a buckle.

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