CN108037566B

CN108037566B - FC type optical fiber connector convenient to plug and pull and operation method thereof

Info

Publication number: CN108037566B
Application number: CN201711221774.7A
Authority: CN
Inventors: 朱哲然; 雷炜卿; 郭莎莎; 刘哲睿; 董奥冬; 胡丹丹
Original assignee: State Grid Corp of China SGCC; Jiaozuo Power Supply Co of State Grid Henan Electric Power Co Ltd
Current assignee: State Grid Corp of China SGCC; Jiaozuo Power Supply Co of State Grid Henan Electric Power Co Ltd
Priority date: 2017-11-29
Filing date: 2017-11-29
Publication date: 2023-07-25
Anticipated expiration: 2037-11-29
Also published as: CN108037566A

Abstract

The invention discloses a convenient-to-plug FC type optical fiber connector, which comprises a rubber sheath, a fixed protective sleeve, a connecting assembly, an inner frame sleeve and a connector section, wherein the rubber sheath is arranged on the inner frame sleeve; the invention also discloses an operation method of the FC type optical fiber connector convenient to plug. The invention achieves the following beneficial effects: the invention has simple structure and can effectively improve the installation efficiency of the optical fiber connector; the method adopts a plugging mode to replace a threaded connection mode, and is completely compatible with the traditional FC type optical matching flange; corresponding inner frame sleeves or elastic clamping sleeves can be selected according to the use environment and requirements, so that stable or sealed optical fiber connection is ensured; the operation method is simple and easy to learn, the operation is convenient, quick and comfortable, the operation time is saved, and the working efficiency of operators is improved.

Description

FC type optical fiber connector convenient to plug and pull and operation method thereof

Technical Field

The invention belongs to the technical field of optical fiber connection, and particularly relates to an FC type optical fiber connector convenient to plug and pull and an operation method thereof.

Background

At present, optical fiber communication has been widely applied to public networks such as China Mobile, unicom, telecom and the like, private networks such as electric power, railways and the like by virtue of the advantages of large capacity, stable performance and the like, and an optical fiber connector is used as a physical component of an optical fiber communication system to complete the functions of connection between various optical fibers (pigtails), optical fiber test and the like. Currently, commonly used optical fiber (pigtail) connectors include ST type, SC type, LC type, FC type and the like, wherein the FC type connector is a metal connector, can be plugged and unplugged more times than plastic, has the advantages of firmness, dust prevention and the like, and is widely applied in practice.

Compared with the SC type and LC type connectors, the traditional FC type connector in practical application and the optical flange are fixed by adopting threads, so that the defects that the installation is time-consuming are overcome, the working efficiency is lower particularly when a large number of operations such as optical fiber testing are carried out or the operations are repeated, and the operator is easy to feel uncomfortable when rotating the threads for a long time.

Disclosure of Invention

The invention aims to overcome the prior art and provides an FC type optical fiber connector convenient to plug and pull and a use method thereof.

In order to achieve the above purpose, the invention is implemented according to the following technical scheme:

the FC type optical fiber connector convenient to plug comprises a rubber sheath, a fixed protective sleeve, a connecting component, an inner frame sleeve and a connector section; the rubber sheath is connected with the fixed protective sleeve; the optical fiber connector is matched with an FC type optical matching flange;

the fixing protective sleeve is a cylinder with a rectangular boss; the rectangular boss is positioned on the upper outer surface and the lower outer surface of the right end of the fixed protective sleeve; the right side surface of the rectangular boss is provided with a slot;

the connecting component comprises a U-shaped locking clamp and a V-shaped spring clamp; the U-shaped locking clamp comprises two half-arc spring plates; a baffle is fixedly connected to the outer cambered surface of the half-arc elastic sheet; the V-shaped spring clip comprises two V-shaped elastic sheets; the V-shaped elastic pieces are respectively and fixedly arranged in the slots of the rectangular bosses; the half-arc elastic sheet is arranged on the right end face of the fixed protective sleeve; the installation position of the half-arc elastic sheet corresponds to the V-shaped elastic sheet; the baffle is tightly attached to the V-shaped elastic sheet;

the inner frame sleeve is connected with the right end face of the fixed protective sleeve; the lower end of the inner frame sleeve is provided with a lower boss; the lower boss is contacted with the inner wall of the optical flange; the joint section is positioned inside the inner frame sleeve and is connected with the fixed protective sleeve.

Preferably, the upper end of the inner frame sleeve is provided with an upper boss; the upper boss is matched with a notch on the light matching flange.

Preferably, the inner cambered surface of the half-arc spring plate is provided with threads, waves and other textures

Preferably, the device further comprises an elastic clamping sleeve; the elastic clamping sleeve is sleeved outside the inner frame sleeve; the upper end of the elastic clamping sleeve is provided with a clamping table, and the lower end of the elastic clamping sleeve is provided with a clamping groove; the clamping groove is matched with the lower boss of the inner frame sleeve; the clamping table is matched with the notch on the optical flange.

Preferably, the V-shaped elastic sheet is made of metal or plastic.

Preferably, the half-arc spring plate is made of hard metal or hard plastic.

Preferably, the inner frame sleeve is made of metal.

The operation method of the portable pluggable FC type optical fiber connector provided by the invention comprises the following steps:

step one, checking whether a V-shaped spring clamp on an optical fiber connector is attached to a baffle plate on a U-shaped locking clamp or not, and timely replacing if damage is found;

step two, pressing two elastic sheets on the V-shaped spring clamp to enable the U-shaped locking clamp to be outwards opened, aligning the inner frame sleeve with the FC optical matching flange, and inserting the inner frame sleeve into the FC optical matching flange;

step three, adjusting the position of the optical fiber connector to enable a lower boss on the inner frame sleeve to be in contact with the inner wall of the optical matching flange, and enabling the upper boss or the clamping platform to be aligned with a notch on the optical matching flange if the optical fiber connector is provided with the upper boss or the clamping platform;

releasing the V-shaped spring clamp, and locking the U-shaped locking clamp inwards at the moment, and tightly hooping the U-shaped locking clamp on the optical flange;

step five, checking that the optical fiber connector is connected with the optical flange after the optical fiber connector is firmly connected;

and step six, pressing the V-shaped spring clamp when the optical fiber connection is disconnected, enabling the U-shaped locking clamp to be outwards opened, and stably pulling out the optical fiber connector from the optical matching flange according to the opposite direction.

The invention has the action principle that:

the connecting component comprises a V-shaped spring clamp and a U-shaped locking clamp, wherein the V-shaped spring clamp is connected with the U-shaped locking clamp through a baffle plate, when pressure is applied to the V-shaped spring clamp, the V-shaped spring plate deforms and drives the baffle plate, and the baffle plate drives the U-shaped locking clamp to open. When the V-shaped spring clamp is loosened, the U-shaped locking clamp is restored to the original structure and clamped on the optical flange. The connecting component can be directly pulled out and plugged in for use, reduces the installation time, and is more convenient and comfortable to operate than threaded connection.

The lower boss on the inner frame sleeve is contacted with the inner wall of the optical matching flange, so that the stability of the optical fiber connector in connection with the optical matching flange can be improved. The part of the left side of the lower boss on the inner frame sleeve is used for being embedded into the fixed protective sleeve, so that the connection strength of the inner frame sleeve and the fixed protective sleeve is increased.

The inner frame sleeve can be further provided with an upper boss, the shape of the upper boss is matched with a notch on the light distribution flange, the height of the upper boss is flush with the outer wall of the flange joint, and the notch is just complemented when the joint is connected with the light distribution flange. On one hand, the stability of joint connection is improved by matching with the lower boss, and bending is reduced; on one hand, the sealing and dustproof effects are achieved. The boss on the inner frame sleeve and the inner frame sleeve are integrally formed metal parts.

An elastic clamping sleeve can be arranged outside the inner frame sleeve without the upper boss, the upper clamping table of the clamping sleeve can be matched with the notch of the optical flange, and the clamping groove on the clamping sleeve is matched with the lower boss of the inner frame sleeve. The sealing effect of the elastic material is better than that of the inner frame sleeve, so that the elastic material can be effectively waterproof and dustproof, and can be applied to the state with severe environment or high requirement on optical fiber connection.

The invention achieves the following beneficial effects:

the invention has simple structure and can effectively improve the installation efficiency of the optical fiber connector; the method adopts a plugging mode to replace a threaded connection mode, and is completely compatible with the traditional FC type optical matching flange; corresponding inner frame sleeves or elastic clamping sleeves can be selected according to the use environment and requirements, so that stable or sealed optical fiber connection is ensured; the operation method is simple and easy to learn, the operation is convenient, quick and comfortable, the operation time is saved, and the working efficiency of operators is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a schematic view of a connection assembly according to the present invention;

FIG. 3 is a schematic view of the inner casing of the present invention;

FIG. 4 is a schematic view of the elastic ferrule of the present invention;

FIG. 5 is a schematic structural view of a mating flange;

FIG. 6 is a schematic diagram illustrating the operation of step two of the present invention;

FIG. 7 is a schematic diagram of the connection completion of the present invention.

In the figure: 1. a rubber sheath; 2. fixing the protective sleeve; 3. a connection assembly; 4. an inner frame sleeve; 5. an elastic clamping sleeve; 6. rectangular bosses; 7. a slot; 8. a U-shaped locking clamp; 9. v-shaped spring clips; 10. a half-arc spring plate; 11. a baffle; 12. a V-shaped elastic piece; 13. a lower boss; 14. a clamping table; 15. a clamping groove; 16. a light distribution flange; 17. an optical fiber; 18. the joint cross section.

Detailed Description

The invention will be further described with reference to the accompanying drawings and specific embodiments, wherein the exemplary embodiments and descriptions of the invention are for purposes of illustration, but are not intended to be limiting.

An FC-type optical fiber connector with convenient plugging as shown in fig. 1, 2, 3, 4 and 5 is matched with an FC-type mating flange 16 for use, and comprises a rubber sheath 1, a fixed protective sheath 2, a connecting component 3, an inner frame sleeve 4, an elastic clamping sleeve 5 and a connector section 18. The rubber sheath 1 is connected with the fixed protective sleeve 2, the fixed protective sleeve 2 is a cylinder with a rectangular boss 6, the rectangular boss 6 is positioned on the upper outer surface and the lower outer surface of the right end of the fixed protective sleeve 2, and a slot 7 is arranged on the right side face of the rectangular boss 6.

The connecting assembly 3 comprises a U-shaped locking clamp 8 and a V-shaped spring clamp 9. The U-shaped locking clamp 8 comprises two half arc spring plates 10, and a baffle 11 is fixedly connected to the outer arc surface of the half arc spring plates 10. The V-shaped spring clamp 9 comprises two V-shaped elastic pieces 12, and the V-shaped elastic pieces 12 are respectively and fixedly arranged in the slots 7 of the rectangular boss 6. The half arc spring plate 10 is arranged on the right end face of the fixed protective sleeve 2, wherein the installation position of the half arc spring plate 10 corresponds to the V-shaped spring plate 12, and the baffle 11 is tightly attached to the V-shaped spring plate 12.

The inner frame sleeve 4 is connected with the right end face of the fixed protective sleeve 2, the lower end of the inner frame sleeve 4 is provided with a lower boss 13, and the height of the lower boss 13 is contacted with the inner wall of the optical flange 16.

The elastic clamping sleeve 5 is sleeved outside the inner frame sleeve 4, the upper end of the elastic clamping sleeve 5 is provided with a clamping table 14, and the lower end of the elastic clamping sleeve 5 is provided with a clamping groove 15. The clamping groove 15 is matched with the lower boss 13 of the inner frame sleeve 4, and the clamping table 14 is matched with a notch on the optical flange 16.

The V-shaped elastic sheet 12 and the inner frame sleeve 4 are made of metal materials, the half-arc elastic sheet 10 is made of hard metal materials, and the V-shaped elastic sheet 12 and the half-arc elastic sheet 10 are elastic enough to lock the light matching flange 16.

The tail of the rubber sheath 1 is connected with an optical fiber 17, and the center of the inner frame sleeve 4 is provided with a joint section 18.

As shown in fig. 6 and 7, the method of operating the portable pluggable FC-type optical fiber connector includes the steps of:

step one, checking whether a V-shaped spring clamp 9 on an optical fiber connector is attached to a baffle piece 11 on a U-shaped locking clamp 8 or not, and timely replacing if damage is found;

step two, pressing two elastic sheets on the V-shaped spring clamp 9 to enable the U-shaped locking clamp 8 to be outwards opened, aligning the inner frame sleeve 4 with the FC optical matching flange 16, and inserting the FC optical matching flange 16;

step three, adjusting the position of the optical fiber connector, enabling the lower boss 13 on the inner frame sleeve 4 to be in contact with the inner wall of the optical matching flange 16, and enabling the clamping table 14 to be aligned with a notch on the optical matching flange 16;

releasing the V-shaped spring clamp 9, and locking the U-shaped locking clamp 8 inwards at the moment, and tightly hooping the V-shaped spring clamp on the optical flange 16;

step five, checking that the optical fiber connector is connected with the optical flange 16 after the optical fiber connector is firmly connected;

and step six, when the optical fiber connection is disconnected, the V-shaped spring clamp 9 is pressed, the U-shaped locking clamp 8 is outwards opened, and the optical fiber connector is smoothly pulled out of the optical matching flange 16 according to the opposite direction.

The technical scheme of the invention is not limited to the specific embodiment, and all technical modifications made according to the technical scheme of the invention fall within the protection scope of the invention.

Claims

1. The FC type optical fiber connector convenient to plug comprises a rubber sheath, a fixed protective sleeve, a connecting component, an inner frame sleeve and a connector section; the rubber sheath is connected with the fixed protective sleeve; the optical fiber connector is matched with an FC type optical matching flange, and is characterized in that:

2. A plug-and-play FC-type optical fiber connector as in claim 1 wherein: an upper boss is arranged at the upper end of the inner frame sleeve; the upper boss is matched with a notch on the light matching flange.

3. A plug-and-play FC-type optical fiber connector as in claim 1 wherein: the inner cambered surface of the half-arc elastic sheet is provided with threads, waves and other textures.

4. A plug-and-play FC-type optical fiber connector as in claim 1 wherein: the device also comprises an elastic clamping sleeve; the elastic clamping sleeve is sleeved outside the inner frame sleeve; the upper end of the elastic clamping sleeve is provided with a clamping table, and the lower end of the elastic clamping sleeve is provided with a clamping groove; the clamping groove is matched with the lower boss of the inner frame sleeve; the clamping table is matched with the notch on the optical flange.

5. A plug-and-play FC-type optical fiber connector as in claim 1 wherein: the V-shaped elastic sheet is made of metal or plastic.

6. A plug-and-play FC-type optical fiber connector as in claim 1 wherein: the half-arc elastic sheet is made of hard metal or hard plastic.

7. A plug-and-play FC-type optical fiber connector as in claim 1 wherein: the inner frame sleeve is made of metal.

8. A method of operating a plug-and-play FC-type optical fibre connector as claimed in any one of claims 1 to 7, comprising the steps of: