阅读说明：本技术 一种ftth用室外预连接光纤连接器 (FTTH is with outdoor optical fiber connector that connects in advance ) 是由 谭少文 于 2020-12-28 设计创作，主要内容包括：本发明提供了一种FTTH用室外预连接光纤连接器,包括连接器本体,连接器本体的内部左右水平向中央位置开设有连接通道,连接通道的内部左右两端位置均固定安装有挡板,挡板的内端相对位置一侧均固定安装有限位板,挡板和限位板之间均嵌合连接有回字形气囊；连接通道的顶侧外表面左右两端位置均分别贯穿固定连通有辅助组件,辅助组件的尾端上下垂直向位置均贯穿固定安装有第一管道,第一管道的尾端均与回字形气囊的首端贯穿连通。该种FTTH用室外预连接光纤连接器,可以起到使光纤连接器具备防尘的功能,避免连接器安装在室外长久使用后光纤的端面上粘有污染物的可能发生,降低光纤连接器的插入损耗值,保证光信号传输的作用。(The invention provides an outdoor pre-connected optical fiber connector for FTTH, which comprises a connector body, wherein a connecting channel is arranged in the connector body in the left-right horizontal direction towards the center, baffle plates are fixedly arranged at the left-right ends in the connecting channel, a limiting plate is fixedly arranged at one side of the opposite position of the inner end of each baffle plate, and a rectangular-shaped air bag is connected between each baffle plate and the corresponding limiting plate in an embedded manner; the positions of the left end and the right end of the outer surface of the top side of the connecting channel are respectively penetrated and fixedly communicated with an auxiliary assembly, the vertical position of the tail end of the auxiliary assembly is penetrated and fixedly provided with a first pipeline, and the tail end of the first pipeline is penetrated and communicated with the head end of the rectangular air bag. This kind of FTTH is with outdoor pre-connection fiber connector can play and make fiber connector possess dirt-proof function, avoids the connector to install and glues the probably emergence that has the pollutant on the terminal surface of outdoor permanent back optic fibre of using, reduces fiber connector's insertion loss value, guarantees optical signal transmission's effect.)

1. The utility model provides a FTTH is with outdoor pre-connection fiber connector, includes connector body (1), its characterized in that: a connecting channel (2) is arranged in the connector body (1) in the left-right horizontal direction towards the center, baffles (201) are fixedly arranged at the left end and the right end of the inside of the connecting channel (2), limiting plates (204) are fixedly arranged at one sides of the opposite positions of the inner ends of the baffles (201), and a rectangular-shaped air bag (202) is embedded and connected between the baffles (201) and the limiting plates (204);

the left end and the right end of the outer surface of the top side of the connecting channel (2) are respectively and fixedly communicated with an auxiliary assembly (6) in a penetrating manner, the vertical position of the tail end of the auxiliary assembly (6) is fixedly provided with a first pipeline (601) in a penetrating manner, the tail end of the first pipeline (601) is communicated with the head end of the clip-shaped air bag (202) in a penetrating manner, the head part of the top end of the first pipeline (601) is fixedly provided with an upper arc-shaped slide way (6014), the tail end of the first pipeline (601) is communicated with a second pipeline (602) in a penetrating manner, the tail part of the bottom end of the inner wall of the second pipeline (602) is rotatably provided with an upper rotating shaft (6021) in a left-right horizontal direction, one end of the outer surface of the upper rotating shaft (6021) is fixedly provided with an upper baffle plate (6022), and the outer surface of the top side of the upper baffle plate (, lower arc-shaped slideways (6023) are fixedly arranged at the head part of the bottom end of the second pipeline (602), lower rotating shafts (6024) are rotatably arranged at the left and right horizontal positions of the head part of the top end of the inner wall of the second pipeline (602), lower baffle plates (6025) are fixedly arranged at one end of the outer surface of each lower rotating shaft (6024), and the outer surface of the bottom side of each lower baffle plate (6025) is movably jointed with the inner surface of the bottom side of each lower arc-shaped slideway (6023).

2. An outdoor pre-connectorized fiber optic connector for an FTTH subscriber according to claim 1, wherein: the outer surfaces of the opposite sides of the baffle (201) and the limiting plate (204) are provided with a plurality of slots (2011).

3. An outdoor pre-connectorized fiber optic connector for an FTTH subscriber according to claim 1, wherein: the outer surfaces of the left side and the right side of the rectangular air bag (202) are fixedly provided with a plurality of plug-in bags (2021) in a penetrating way.

4. An outdoor pre-connectorized fiber optic connector for an FTTH subscriber according to claim 1, wherein: the inside of the rectangular air bag (202) is filled with inert gas (203), and inner holes with equal apertures are formed in the left and right horizontal central positions of the inner parts of the baffle plate (201), the rectangular air bag (202) and the limiting plate (204).

5. An outdoor pre-connectorized fiber optic connector for an FTTH subscriber according to claim 1, wherein: the connector comprises a connector body (1), wherein a ferrule (3) is fixedly mounted at the central position inside the connector body (1), and a first optical fiber sleeve (4) and a second optical fiber sleeve (5) are respectively inserted at the left end and the right end of the connector body (1) in the left-right horizontal direction.

6. An outdoor pre-connectorized fiber optic connector for an FTTH according to claim 5, wherein: the optical fiber connector is characterized in that a first optical fiber (401) and a second optical fiber (501) are fixedly connected to the inner positions of the first optical fiber sleeve (4) and the second optical fiber sleeve (5) respectively, and the right end of the first optical fiber (401) and the left end of the second optical fiber (501) are connected with each other through the ferrule (3).

7. An outdoor pre-connectorized fiber optic connector for an FTTH subscriber according to claim 1, wherein: the outer portion of the bottom end of the first pipeline (601) is horizontally and rotatably provided with a rotating rod (6011) in the left-right direction, and an air outlet plate (6012) is fixedly arranged at one end of the outer surface of the rotating rod (6011).

8. An outdoor pre-connectorized fiber optic connector for an FTTH subscriber according to claim 1, wherein: the lower part of one end of the inner surface of the first pipeline (601) is fixedly provided with a limiting block (6013), and the limiting block (6013) is located right above the air outlet plate (6012).

9. An outdoor pre-connectorized fiber optic connector for an FTTH subscriber according to claim 1, wherein: the auxiliary components (6) are composed of a plurality of first pipelines (601) and second pipelines (602) which are communicated with each other in a replacing and penetrating mode.

10. An outdoor pre-connectorized fiber optic connector for an FTTH subscriber according to claim 1, wherein: the vertical position all runs through fixed mounting from top to bottom at the head end of auxiliary assembly (6) has gas injection pipe (603), the equal movable mounting in top right part position of gas injection pipe (603) has valve cock (6031).

Technical Field

The invention relates to the field of optical fiber connectors, in particular to an outdoor pre-connected optical fiber connector for FTTH.

Background

FTTH (fiber To the Home), which means fiber To the home, is a transmission method of fiber communication; specifically, FTTH refers to an application type of an optical access network, which is installed at a home subscriber or an enterprise subscriber and is closest to a subscriber except FTTD (fiber to the desktop) in an optical access series; the significant technical characteristics of FTTH are that not only a larger bandwidth is provided, but also the transparency of the network to data format, rate, wavelength and protocol is enhanced, the requirements on environmental conditions, power supply and the like are relaxed, and the maintenance and installation are simplified; the optical fiber connector is connected with the end faces of the two optical fibers through the adapter, and when the two optical fibers are inserted into the sleeve of the adapter, the end faces of the two optical fibers are in direct contact with and transmit optical signals; the conventional common optical fiber connector or the optical fiber fusion is externally connected by additionally arranging special materials, and the optical fiber connector which can be used under the harsh condition is called a prefabricated optical fiber connector.

The optical fiber connector with the patent number of CN202010830636.4 comprises an optical fiber inserting core and a tail sheath, wherein the optical fiber inserting core comprises an optical fiber leading-out head part, an axial limiting part, a radial limiting part and a connecting part, the optical fiber inserting core is a metal integrated part, a through hole for an optical fiber to pass through is formed in the optical fiber inserting core along the axial direction, the connecting part is provided with at least two split grooves to divide the connecting part into at least two fastening parts, and the outer wall of each fastening part is provided with inclined convex teeth; the tail sheath comprises a tail sheath body and a limiting part arranged at the end part of the tail sheath body, an axial through hole is arranged in the tail sheath body, a radial limiting section is arranged in the axial through hole of the tail sheath body, a conical connecting section is arranged in the axial through hole, and the connecting part of the optical fiber ferrule is connected with the connecting section of the tail sheath in an interference fit manner; according to the optical fiber connector, the optical fiber inserting core and the tail sheath are in interference connection in an inserting connection mode, glue is not used for fixation, explosion caused by contact of laser and glue and high temperature caused by contact of the laser and a metal material can be avoided, however, the technical scheme provided by the invention does not have a dustproof function for the optical fiber connector, when the optical fiber connector is installed outside for long-term use, pollutants are easily adhered to the end face of the optical fiber, the pollutants can increase the insertion loss value of the optical fiber connector, optical signal transmission is influenced, and even optical signals cannot be transmitted.

Therefore, there is a need for further research based on the existing fiber optic connectors to provide a new outdoor pre-connectorized fiber optic connector for FTTH.

Disclosure of Invention

The present invention is directed to solve the technical problems of the background art, and provides an outdoor pre-connectorized fiber optic connector for FTTH.

In order to achieve the purpose, the invention provides the following technical scheme: an outdoor pre-connected optical fiber connector for FTTH comprises a connector body, wherein a connecting channel is arranged in the connector body in the left and right horizontal direction towards the center, baffles are fixedly arranged at the left and right ends in the connecting channel, a limiting plate is fixedly arranged at one side of the opposite position of the inner end of each baffle, and a rectangular-square-shaped air bag is connected between each baffle and the corresponding limiting plate in an embedded manner;

the left end and the right end of the top outer surface of the connecting channel are respectively and fixedly communicated with an auxiliary assembly in a penetrating way, the tail end of the auxiliary assembly vertically penetrates through and is fixedly provided with a first pipeline, the tail end of the first pipeline is communicated with the head end of the rectangular air bag in a penetrating way, the top head of the first pipeline is fixedly provided with an upper arc-shaped slideway, the tail end of the first pipeline is communicated with a second pipeline in a penetrating way, the left horizontal position and the right horizontal position of the tail end of the bottom end of the inner wall of the second pipeline are respectively and rotatably provided with an upper rotating shaft, one end of the outer surface of the upper rotating shaft is fixedly provided with an upper baffle, the top outer surface of the upper baffle is movably jointed with the inner surface of the top side of the upper arc-shaped slideway, the bottom head of the second pipeline is fixedly provided with a lower arc-shaped slideway, and the left horizontal position and the right, the outer surface of the lower rotating shaft is fixedly provided with a lower baffle at one end, and the outer surface of the bottom side of the lower baffle is movably attached to the inner surface of the bottom side of the lower arc-shaped slide way.

Further preferred embodiments: and a plurality of slots are formed in the outer surfaces of the opposite sides of the baffle and the limiting plate.

Further preferred embodiments: and a plurality of plug-in bags are fixedly arranged on the outer surfaces of the left side and the right side of the rectangular air bag in a penetrating manner.

Further preferred embodiments: the inside of the rectangular shape gasbag that returns is filled with inert gas, the inside of baffle, rectangular shape gasbag and limiting plate is controlled the level and is all seted up the hole that the aperture equals each other to central position.

Further preferred embodiments: the connector comprises a connector body and is characterized in that a ferrule is fixedly mounted in the center of the interior of the connector body, and a first optical fiber sleeve and a second optical fiber sleeve are respectively inserted in the left end and the right end of the connector body in the left-right horizontal direction.

Further preferred embodiments: the optical fiber connector comprises a first optical fiber sleeve, a second optical fiber sleeve, a ferrule and a connecting piece, wherein the first optical fiber sleeve and the second optical fiber sleeve are fixedly connected at the inner positions respectively, and the right end of the first optical fiber and the left end of the second optical fiber are connected with each other through the ferrule.

Further preferred embodiments: the bottom outside of first pipeline is controlled the level and is all installed the bull stick to the position rotation, the equal fixed mounting in surface one end position of bull stick has the gas outlet plate.

Further preferred embodiments: the inner surface one end lower part position of first pipeline all fixed mounting have the stopper, the stopper is being in the position directly over the board of giving vent to anger.

Further preferred embodiments: the auxiliary assembly is composed of a plurality of first pipelines and second pipelines which are communicated in a replacing and penetrating mode.

Further preferred embodiments: the head end of the auxiliary assembly vertically penetrates through the gas injection pipe in a vertical direction, and the right position of the top end of the gas injection pipe is movably provided with a valve bolt.

Has the advantages that:

1. according to the outdoor pre-connection optical fiber connector for the FTTH, the baffle and the square-shaped air bag are arranged at the left end and the right end in the connecting channel in the connector body, when two optical fibers are inserted and connected, most dust impurities can be prevented from entering the inside and the outside of the connecting channel by the baffle, the square-shaped air bag is inflated and sealed by the auxiliary assembly, so that the surface of the square-shaped air bag is tightly attached to the inner wall of the connecting channel, the baffle and the limiting plate respectively after being inflated (wherein, the left surface and the right surface of the square-shaped air bag after being inflated can be in butt joint fit with the baffle and a slot mortise and tenon on one side of the limiting plate), and dust can be prevented from entering the connecting channel to influence optical fiber;

2. the auxiliary assembly is arranged at the head end of the square-shaped air bag in a penetrating mode, after gas is input from the gas injection pipe at the head end of the auxiliary assembly, the principle that a medium backflow is prevented by the aid of the check valve is utilized, the gas is sequentially input into the square-shaped air bag from the gas injection pipe, the second pipeline and the first pipeline, the first pipeline and the second pipeline are provided with the upper arc-shaped slideway and the lower arc-shaped slideway, the radiuses of the two slideways are larger than the pipe diameters of the two pipelines, the gas can only positively impact the upper baffle and the lower baffle but cannot reversely flow back and open, after gas is input and a valve bolt is screwed tightly, the injected gas can be remained in the square-shaped air bag, the square-shaped air bag can be kept in an expansion full state, the tight adhesion between the square-shaped air bag and the connecting channel, the baffle and the limiting plate is improved, and dust is prevented from entering;

3. to sum up, this kind of FTTH is with outdoor pre-connection fiber connector through baffle, back font gasbag, limiting plate and auxiliary assembly's cooperative action jointly, can make fiber connector possess dirt-proof function, has avoided the connector to install and has glued the probably emergence of pollutant on the terminal surface of outdoor permanent back optic fibre of using, has reduced fiber connector's insertion loss value, has guaranteed optical signal transmission.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic side sectional view of the present invention;

FIG. 4 is an enlarged schematic view of the structure at A in FIG. 2 according to the present invention;

FIG. 5 is an enlarged view of the structure of FIG. 3B according to the present invention;

FIG. 6 is an enlarged view of the structure of FIG. 3 at C according to the present invention;

FIG. 7 is an enlarged view of the structure of FIG. 3 in accordance with the present invention;

FIG. 8 is a schematic view of the overall structure of the air bag of the present invention;

FIG. 9 is an enlarged view of E of FIG. 4 according to the present invention;

in FIGS. 1-9: 1-a connector body; 2-connecting the channels; 201-a baffle; 2011-slot; 202-a zigzag air bag; 2021-a card pocket; 203-inert gas; 204-a limiting plate; 3-inserting core; 4-a first fiber jacket; 401-a first optical fiber; 5-a second fiber jacket; 501-a second optical fiber; 6-an auxiliary component; 601-a first conduit; 6011-rotating bar; 6012-gas outlet plate; 6013-a stop block; 6014-go up the arc chute; 602-a second conduit; 6021-upper shaft; 6022-upper baffle plate; 6023-lower arc chute; 6024-lower shaft; 6025-lower baffle plate; 603-a gas injection pipe; 6031-valve bolt.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 9, in the embodiment of the invention, an outdoor pre-connected optical fiber connector for FTTH includes a connector body 1, a connection channel 2 is horizontally arranged in the connector body 1 from left to right toward the center, baffles 201 are fixedly installed at the left and right ends of the interior of the connection channel 2, limit plates 204 are fixedly installed at the opposite sides of the inner ends of the baffles 201, and a rectangular-shaped air bag 202 is embedded and connected between the baffles 201 and the limit plates 204;

the left end and the right end of the outer surface of the top side of the connecting channel 2 are respectively and fixedly communicated with an auxiliary assembly 6 in a penetrating way, the up-down vertical position of the tail end of the auxiliary assembly 6 is respectively and fixedly provided with a first pipeline 601 in a penetrating way, the tail end of the first pipeline 601 is respectively and fixedly communicated with the head end of the clip-shaped air bag 202 in a penetrating way, the head part of the top end of the first pipeline 601 is respectively and fixedly provided with an upper arc-shaped slide way 6014, the tail end of the first pipeline 601 is respectively and fixedly communicated with a second pipeline 602 in a penetrating way, the left-right horizontal position of the tail end of the bottom end of the inner wall of the second pipeline 602 is respectively and rotatably provided with an upper rotating shaft 6021, one end of the outer surface of the upper rotating shaft 6021 is respectively and fixedly provided with an upper baffle 6022, the outer surface of the top side of the upper baffle 6022 is respectively and movably jointed with the inner surface of the top side, a lower baffle plate 6025 is fixedly arranged at one end of the outer surface of the lower rotating shaft 6024, and the outer surface of the bottom side of the lower baffle plate 6025 is movably jointed with the inner surface of the bottom side of the lower arc-shaped slideway 6023.

In the embodiment of the present invention, the outer surfaces of the opposite sides of the baffle 201 and the limiting plate 204 are respectively provided with a plurality of slots 2011, and the left and right slots 2011 are used to accommodate the insert pocket 2021 on the clip-shaped airbag 202.

In the embodiment of the invention, a plurality of insert bags 2021 are fixedly arranged on the outer surfaces of the left side and the right side of the rectangular-shaped air bag 202 in a penetrating manner, and the insert bags 2021 are butted with the slot 2011 after being inflated, so that the sealing property can be improved.

In the embodiment of the invention, the inside of the rectangular-shaped airbag 202 is filled with the inert gas 203, and the inner holes with the same aperture are formed in the left and right horizontal central positions of the baffle 201, the rectangular-shaped airbag 202 and the limiting plate 204, so that the rectangular-shaped airbag 202 can be conveniently sealed and dustproof after being inflated and expanded after the optical fiber sleeve is inserted.

In the embodiment of the invention, the ferrule 3 is fixedly installed at the central position inside the connector body 1, the left end and the right end of the connector body 1 are respectively inserted with the first optical fiber sleeve 4 and the second optical fiber sleeve 5 in the left-right horizontal direction, and the first optical fiber sleeve 4 and the second optical fiber sleeve 5 are in butt joint through the ferrule 3 and then carry out optical signal transmission.

In the embodiment of the invention, the inner positions of the first optical fiber sleeve 4 and the second optical fiber sleeve 5 are fixedly connected with the first optical fiber 401 and the second optical fiber 501 respectively, the right end of the first optical fiber 401 and the left end of the second optical fiber 501 are connected with each other through the ferrule 3, and the optical fibers are protected from dust by the baffle 201 and the clip-shaped air bag 202 together.

In the embodiment of the present invention, the rotating rods 6011 are rotatably mounted at left and right horizontal positions outside the bottom end of the first pipeline 601, and the air outlet plate 6012 is fixedly mounted at one end of the outer surface of the rotating rods 6011 for exhausting air. In the embodiment of the invention, the lower part of one end of the inner surface of the first pipeline 601 is fixedly provided with the limiting block 6013, and the limiting block 6013 is right above the air outlet plate 6012 to prevent the air from flowing back.

In the embodiment of the present invention, each of the auxiliary assemblies 6 is composed of a plurality of first conduits 601 and second conduits 602, which are in communication with each other, and the plurality of first conduits 601 and second conduits 602 can improve the sealing property.

In the embodiment of the invention, the gas injection pipe 603 is fixedly installed at the vertical position of the head end of the auxiliary assembly 6, and the valve bolt 6031 is movably installed at the right position of the top end of the gas injection pipe 603 to control gas injection.

The specific working principle of the invention in the implementation process is as follows:

when the work is not started, the plug-in bags 2021 on the left and right surfaces of the square-shaped air bag 202 are in a shriveled state and are not jointed and butted with the baffle 201 and the limit plate 204;

when the optical fiber connector starts working, after two optical fibers are inserted and connected, most dust impurities can be prevented from entering the inside and outside of the connecting channel 2 except for the baffle 201, the interior of the rectangular air bag 202 is inflated and sealed through the auxiliary assembly 6, so that the surface of the rectangular air bag 202 is tightly attached to the inner wall of the connecting channel 2, the baffle 201 and the limiting plate 204 respectively after the rectangular air bag 202 is inflated (wherein, the left and right surfaces of the rectangular air bag 202 after being inflated can be in butt joint fit with the inserting grooves 2011 of the baffle 201 and one side of the limiting plate 204 after being inflated through the plug-in bags 2021), and dust can be prevented from entering the connecting channel 2 to influence optical fiber;

since the auxiliary assembly 6 is arranged at the head end of the clip-shaped airbag 202, when gas is supplied from the gas injection pipe 603 at the head end of the auxiliary assembly 6, by utilizing the principle that the check valve prevents the medium from flowing backwards, in the process that the gas is sequentially input into the square-shaped air bag 202 from the gas injection pipe 603, the second pipeline 602 and the first pipeline 601, because the upper arc-shaped slide way 6014 and the lower arc-shaped slide way 6023 are arranged on the first pipe 601 and the second pipe 602, and the radiuses of the two slideways are larger than the pipe diameters of the two pipelines, so that the gas can only positively impact the upper baffle plate 6022 and the lower baffle plate 6025 but can not reversely flow back and open, after the gas is delivered and the valve bolt 6031 is screwed tightly, therefore, the injected gas can be remained in the square-shaped air bag 202, the square-shaped air bag 202 keeps an expansion and full state, the adhesion and the tightness among the connecting channel 2, the baffle 201 and the limiting plate 204 are improved, and dust is prevented from entering;

in the working process of the invention, the gas injected into the square-shaped air bag 202 and the auxiliary assembly 6 is the inert gas 203, so that the safety of the connector body 1 can be ensured while the square-shaped air bag 202 is expanded, and the optical fiber connector has a dustproof function by utilizing the driving action of a medium backflow prevention principle of a one-way valve in the steps of inflating, expanding, sealing and the like in the connecting channel 2, the square-shaped air bag 202 and the auxiliary assembly 6, so that the possibility that pollutants are adhered to the end surface of an optical fiber after the connector is installed outdoors for long time use is avoided, the insertion loss value of the optical fiber connector is reduced, and the optical signal transmission is ensured.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several variations and modifications without departing from the concept of the present invention, and these should be considered as the protection scope of the present invention, which will not affect the effect of the implementation of the present invention and the utility of the patent.