CN117092760A

CN117092760A - Optical fiber connection assembly

Info

Publication number: CN117092760A
Application number: CN202311138808.1A
Authority: CN
Inventors: 叶子迪; 王七月
Original assignee: Shenzhen Adtek Technology Co ltd
Current assignee: Shenzhen Adtek Technology Co ltd
Priority date: 2023-09-04
Filing date: 2023-09-04
Publication date: 2023-11-21

Abstract

The invention discloses an optical fiber connecting assembly, which comprises a mounting box and an optical fiber connector; the mounting box comprises a box body and a plug-in module, wherein the box body is provided with a mounting cavity, the plug-in module is arranged in the mounting cavity, the plug-in module is provided with at least two plug holes communicated with the mounting cavity, and a connecting circuit is arranged in the mounting cavity; the optical fiber connector comprises a connecting pipe and an optical fiber, wherein the connecting pipe is sleeved at one end of the optical fiber and is inserted into the inserting hole, the connecting pipe is in clamping fit with the hole wall of the inserting hole, and the optical fiber is connected with the connecting circuit; the connecting pipe is pulled towards a direction away from the plug hole so as to unlock the cooperation of the connecting pipe and the plug module, and the optical fiber connector is separated from the mounting box. The technical scheme of the invention solves the problems of complicated steps and high operation difficulty of the existing optical fiber during installation and maintenance, and improves the operation convenience.

Description

Optical fiber connection assembly

Technical Field

The invention relates to the technical field of optical fibers, in particular to an optical fiber connecting assembly.

Background

The optical fiber utilizes the principle of total reflection of light, has the advantages of long transmission distance, high transmission rate, low loss, strong anti-interference capability and the like, and is widely applied to the fields of communication, medical treatment and the like. The connection between optical fibers is often involved in the installation of optical fibers, especially in the transmission from the office to the customer.

When the existing optical fibers are installed and connected, workers need to strip the optical fibers, open the installation box body, fix the optical fibers in the installation box body, reel the optical fibers in the box body after the optical fibers are welded through welding equipment, and then close the installation box body to finish optical fiber connection. When the optical fiber is damaged and overhauled, the box body is required to be opened again, and then the optical fiber is separated, replaced and a new optical fiber is installed. The installation and maintenance steps are complicated, the operation difficulty is high, and the network connection quality is affected.

Disclosure of Invention

The invention mainly aims to provide an optical fiber connecting assembly, which aims to solve the problems that the existing optical fiber is complicated in steps and high in operation difficulty during installation and overhaul.

In order to achieve the above object, the present invention provides an optical fiber connection assembly, which includes a mounting box and an optical fiber connector; the mounting box comprises a box body and a plug-in module, wherein the box body is provided with a mounting cavity, the plug-in module is arranged in the mounting cavity, the plug-in module is provided with at least two plug holes communicated with the mounting cavity, and a connecting circuit is arranged in the mounting cavity; the optical fiber connector comprises a connecting pipe and an optical fiber, wherein the connecting pipe is sleeved at one end of the optical fiber and is inserted into the plug hole, the connecting pipe is in clamping fit with the hole wall of the plug hole, and the optical fiber is connected with the connecting circuit; pulling the connecting tube in a direction away from the mating hole to unlock the mating of the connecting tube and the mating module to separate the fiber optic connector from the mounting box.

In an embodiment of the invention, the connecting pipe comprises a tail sleeve and a reset wedge block which are connected in sequence, and the plug-in module comprises a module body and a backstop;

the reset wedge block is inserted in the inserting hole, a first clamping groove is concavely arranged on the periphery of the reset wedge block, the inserting hole is formed in the module body, a limit groove is formed in the hole wall of the inserting hole, the retaining piece is movably arranged in the limit groove, a first elastic piece is arranged between the retaining piece and the groove bottom of the limit groove, a first clamping block is convexly arranged on one side of the retaining piece away from the limit groove, the first elastic piece extrudes the retaining piece, so that one end of the first clamping block stretches into the inserting hole and is abutted with the first clamping groove, the tail sleeve is pulled, the groove wall of the first clamping groove is abutted against the clamping block, the retaining piece compresses the first elastic piece and moves in the direction away from the first clamping groove, and the connecting pipe and the inserting module are matched in an unlocking mode.

In an embodiment of the present invention, a surface of the first clamping groove away from the groove wall of the tail sleeve is an inclined surface, and a side surface of the first clamping block away from the tail sleeve is an inclined surface and is adapted to the groove wall of the first clamping groove away from the tail sleeve;

and/or, the two opposite sides of the reset wedge block are respectively provided with a first clamping groove, two first clamping blocks are respectively arranged on the two sides of each plug hole, and one first clamping block is matched with one first clamping groove in a clamping way.

In an embodiment of the invention, the connecting pipe further includes a main housing, the main housing is disposed on a side of the reset wedge away from the tail sleeve, the reset wedge is sleeved on one end of the main housing and is movably connected with the main housing, a second elastic element is disposed between the reset wedge and the main housing, and the tail sleeve is pulled towards a direction away from the insertion hole, so as to drive the reset wedge to move, unlock the cooperation of the connecting pipe and the insertion module, and compress the second elastic element.

In an embodiment of the present invention, the outer Zhou Bichao of the reset wedge extends to one side of the main housing to form two oppositely arranged fins, the outer peripheral wall of the main housing is concavely formed with two oppositely arranged fin grooves, the two fins are respectively inserted into the two fin grooves, the bottoms of the fin grooves and one side of the fins, which faces the fin grooves, are both concaved and enclosed to form a spring groove, the second elastic piece is a spring, and the spring is arranged in the spring groove and is respectively abutted against the fin and the groove wall of the fin groove;

and/or, the plug-in module further comprises a fixed baffle, a limit hole is formed in the hole wall of the plug-in hole, the fixed baffle is covered on one end, away from the plug-in hole, of the limit hole, the fixed baffle and the hole wall of the limit hole enclose to form the limit groove, and the first elastic piece is arranged between the fixed baffle and the retaining piece.

In an embodiment of the invention, one end of the reset wedge away from the tail sleeve is abutted against the middle part of the main shell, a second clamping groove is formed in the middle part of the main shell at one side close to the reset wedge in a recessed manner, a second clamping block is convexly arranged at one side, facing the insertion hole, of the retaining piece, the first elastic piece extrudes the retaining piece so that the second clamping block is clamped in the second clamping groove, the tail sleeve is pulled, and the reset wedge jacks up the first clamping block so that the second clamping block is separated from the second clamping groove.

In an embodiment of the invention, a cross-sectional dimension of a middle part of the main housing is larger than a cross-sectional dimension of two ends of the main housing, a connecting surface between the middle part of the main housing and one end of the main housing, which is far away from the reset wedge, is an inclined surface, the connecting pipe is inserted into the inserting hole, and the connecting surface is abutted against and jacked up against the first clamping block, so that the connecting pipe is inserted into the inserting hole.

In an embodiment of the invention, a sealing groove is formed in one end of the main shell, which faces the plug hole, a sealing ring is arranged in the sealing groove, the connecting pipe is inserted into the plug hole, and the sealing ring is tightly abutted with the wall of the plug hole;

and/or the cross section shape of the two opposite sides of the tail sleeve is uneven.

In an embodiment of the invention, the optical fiber connector further includes a hot melt tube, a ferrule stop, and a compression ring disposed in the connection tube, wherein the ferrule is connected with the ferrule stop and sleeved at one end of the optical fiber facing the insertion hole, the compression ring is crimped at one end of the optical fiber facing the ferrule stop, and the hot melt tube is sleeved at the peripheries of the compression ring and the optical fiber.

In an embodiment of the invention, the installation box further includes a wire arranging disc and a plug connector, the wire arranging disc is arranged in the installation cavity and used for placing connection lines, the plug connector is provided with at least two plug connectors and is respectively arranged at one side of the plug connector, which faces the installation cavity, of the plug connector, and the connection lines and the optical fibers are respectively inserted at two ends of the plug connector so that the optical fibers are connected with the connection lines.

The optical fiber connecting assembly comprises an optical fiber connector and an installation box, wherein the optical fiber connector comprises a connecting pipe and an optical fiber, and the connecting pipe is sleeved at one end of the optical fiber and is inserted into a plug hole of the installation box. The installation box comprises a box body and a plug-in module, and an installation cavity formed in the box body is used for placing connection lines for connecting a plurality of optical fibers. The splicing module is provided with a plurality of splicing holes communicated with the installation cavity, when the optical fiber needs to be installed, one end of the connecting pipe is inserted into the splicing holes, at the moment, the connecting pipe is matched with the hole wall of the splicing holes in a clamping way, and the optical fiber is connected with a connecting circuit, so that the installation work of the optical fiber is completed. When the optical fiber needs to be disassembled and overhauled, the connecting pipe is pulled towards the direction away from the plug hole, the clamping fit between the connecting pipe and the plug module is released, and then the connecting pipe is pulled continuously, so that the optical fiber connector can be separated from the installation, and the disassembly of the optical fiber is completed. In the installation, overhauling and dismantling processes of the optical fiber connecting assembly, the installation box body does not need to be opened, the optical fibers do not need to be welded, the steps of the plug-in installation and dismantling mode are simpler, the operation difficulty is low, and the installation and overhauling efficiency is improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to the structures shown in these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of an optical fiber connection assembly according to the present invention;

FIG. 2 is a cross-sectional view of the fiber optic connection assembly of FIG. 1 taken along line A-A;

FIG. 3 is an enlarged schematic view of a portion of the fiber optic connection assembly of FIG. 2 at B;

FIG. 4 is an exploded view of the mounting box of the fiber optic connection assembly of FIG. 1;

FIG. 5 is an exploded view of the fiber optic connector of the fiber optic connection assembly of FIG. 1;

FIG. 6 is an exploded view of one embodiment of the fiber optic connection assembly of FIG. 1;

FIG. 7 is an enlarged schematic view of a portion of the fiber optic connection assembly of FIG. 6 at C;

FIG. 8 is an exploded view of another embodiment of the fiber optic connection assembly of FIG. 1;

FIG. 9 is a partially enlarged schematic illustration of the fiber optic connection assembly of FIG. 8 at D;

FIG. 10 is a schematic view of a plug module in the light connecting assembly according to the present invention;

fig. 11 is a cross-sectional view taken along line E-E of fig. 10.

Reference numerals illustrate:

the achievement of the objects, functional features and advantages of the present invention will be further described with reference to the accompanying drawings, in conjunction with the embodiments.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the invention. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

It should be noted that all directional indicators (such as up, down, left, right, front, and rear … …) in the embodiments of the present invention are merely used to explain the relative positional relationship, movement, etc. between the components in a particular posture (as shown in the drawings), and if the particular posture is changed, the directional indicator is changed accordingly.

In the present invention, unless specifically stated and limited otherwise, the terms "connected," "affixed," and the like are to be construed broadly, and for example, "affixed" may be a fixed connection, a removable connection, or an integral body; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.

Furthermore, descriptions such as those referred to as "first," "second," and the like, are provided for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implying an order of magnitude of the indicated technical features in the present disclosure. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. The meaning of "and/or", "and/or" as used throughout is intended to include three side-by-side schemes, for example "a and/or B", including a scheme, or B scheme, or a scheme where a and B meet at the same time. In addition, the technical solutions of the embodiments may be combined with each other, but it is necessary to base that the technical solutions can be realized by those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent and not within the scope of protection claimed in the present invention.

The present invention proposes an optical fiber connection assembly 1.

Referring to fig. 1-5, in one embodiment of the present invention, a fiber optic connection assembly 1 includes a mounting box 10 and a fiber optic connector 20; the mounting box 10 comprises a box body 12 and a plug-in module 11, wherein the box body 12 is provided with a mounting cavity 121, the plug-in module 11 is arranged in the mounting cavity 121, the plug-in module 11 is provided with at least two plug-in holes 111a communicated with the mounting cavity 121, and a connecting circuit is arranged in the mounting cavity 121; the optical fiber connector 20 comprises a connecting pipe 21 and an optical fiber 22, wherein the connecting pipe 21 is sleeved at one end of the optical fiber 22 and is inserted into the inserting hole 111a, the connecting pipe 21 is in clamping fit with the hole wall of the inserting hole 111a, and the optical fiber 22 is connected with a connecting circuit; the connection pipe 21 is pulled in a direction away from the insertion hole 111a to unlock the fitting of the connection pipe 21 and the insertion module 11 to separate the optical fiber 22 connector 20 and the mounting box 10.

In this embodiment, an opening communicating with the installation cavity 121 is formed at one end of the box body 12, and the plugging module 11 plugs the opening and is disposed in the installation cavity 121. The plugging module 11 may be provided with a plurality of plugging holes 111a communicating with the mounting cavity 121, the plurality of plugging holes 111a are sequentially arranged at intervals, and the number of the optical fiber connectors 20 connectable to the mounting box 10 is increased by arranging the plurality of plugging holes 111a. When the optical fiber 22 is installed, one end of the optical cable is firstly stripped to expose the optical fiber 22 and pass through the connecting pipe 21, then the connecting pipe 21 is inserted into the insertion hole 111a, a connecting line is arranged in the installation box 10, and at the moment, the optical fiber 22 in the connecting pipe 21 is connected with the connecting line, so that optical signal transmission between the optical fiber 22 and the connecting line is realized. The wall of the plugging hole 111a is provided with a clamping position so that the connecting pipe 21 is matched with the wall of the plugging hole 111a in a clamping way, and the connecting pipe 21 is further fixed in the plugging hole 111a. Meanwhile, the clamping position on the wall of the plugging hole 111a is in relatively movable fit with the outer wall of the connecting pipe 21, so that when the connecting pipe 21 is pulled towards the direction away from the plugging hole 111a, the clamping position moves relative to the connecting pipe 21 to release the fit between the connecting pipe 21 and the plugging module 11. And then the connecting pipe 21 is pulled continuously, so that the optical fiber connector 20 can be separated from the mounting box 10, and the optical fiber 22 is removed. In the installation, overhauling and dismantling process of the optical fiber connection assembly 1 provided by the invention, the installation box body does not need to be opened, the optical fiber 22 does not need to be welded, the steps of the plug-in installation and dismantling mode are simpler, the operation difficulty is lower, and the installation and overhauling efficiency is improved.

Referring to fig. 3 to 9, in an embodiment of the present invention, the connection pipe 21 includes a tail sleeve 213 and a reset wedge 212 sequentially connected, and the plug module 11 includes a module body 111 and a stop 112;

the reset wedge block 212 is inserted into the inserting hole 111a, a first clamping groove 212a is concavely formed in the periphery of the reset wedge block 212, the inserting hole 111a is formed in the module body 111, a limit groove 111b is formed in the wall of the inserting hole 111a, the retaining piece 112 is movably arranged in the limit groove 111b, a first elastic piece 113 is arranged between the retaining piece 112 and the groove bottom of the limit groove 111b, a first clamping block 112a is convexly arranged on one side, away from the limit groove 111b, of the retaining piece 112, the first elastic piece 113 extrudes the retaining piece 112, so that one end of the first clamping block 112a extends into the inserting hole 111a and is in butt joint with the first clamping groove 212a, the tail sleeve 213 is pulled, the groove wall of the first clamping groove 212a is in butt joint with the first clamping block 112a, so that the retaining piece 112 compresses the first elastic piece 113 and moves in the direction away from the first clamping groove 212a, and the matching of the connecting pipe 21 and the inserting module 11 is unlocked.

In this embodiment, a bump is convexly disposed at one end of the reset wedge 212, a connection hole is disposed at one end of the tail sleeve 213, and the bump penetrates through the connection hole, so that the tail sleeve 213 and the reset wedge 212 are connected. A limiting groove 111b is formed in the hole wall of the plugging hole 111a and is used for providing a retaining piece 112, and a notch of the limiting groove 111b faces the plugging hole 111a. The first elastic member 113 may be a spring, and the spring presses the retaining member 112 to make the first clamping block 112a press against the bottom of the first clamping groove 212a, so as to realize the clamping fit between the connecting tube 21 and the plug module 11. Meanwhile, after the connecting pipe 21 is clamped and matched with the plugging module 11, the spring can still be in a compressed state so as to improve the clamping strength of the first clamping block 112a and the second clamping groove 212 b. When the tail sleeve 213 is pulled away from the plugging hole 111a, the groove wall of the first clamping groove 212a presses the first clamping block 112a, so that the first clamping block 112a is jacked up, and compresses the first elastic member 113, thereby unlocking the connecting tube 21 to be matched with the plugging module 11. By arranging the first elastic member 113, the optical fiber 22 can be connected and removed without pressing the switch button in the plugging process of the optical fiber connector 20, so that the operation steps are simplified, and the working efficiency is improved.

Referring to fig. 2-3, in an embodiment of the present invention, a surface of the first clamping groove 212a away from the groove wall of the tail sleeve 213 is an inclined surface, and a side surface of the first clamping block 112a away from the tail sleeve 213 is an inclined surface, and is adapted to the groove wall of the first clamping groove 212a away from the tail sleeve 213;

and/or, the two opposite sides of the reset wedge 212 are respectively provided with a first clamping groove 212a, two first clamping blocks 112a are respectively arranged on the two sides of each plug hole 111a, and one first clamping block 112a is matched with one first clamping groove 212a in a clamping way.

In the present embodiment, when the optical connector is inserted into the insertion hole 111a, the first clamping block 112a abuts against the bottom of the first clamping groove 212 a. When the tail sleeve 213 is pulled away from the insertion hole 111a, the first clamping block 112a slides along the groove bottom of the first clamping groove 212a to abut against the groove wall of the first clamping groove 212 a. The surface of the first clamping groove 212a far away from the groove wall of the tail sleeve 213 is designed to be an inclined surface, and the surface of the first clamping block 112a contacting with the groove wall of the first clamping groove 212a is also designed to be an inclined surface, so that the first clamping block 112a slides along the inclined surface of the first clamping groove 212a, the groove wall of the first clamping groove 212a can jack up the first clamping block 112a, and the first clamping block 112a is separated from the first clamping groove 212a, so that the connecting pipe 21 is unlocked from the plug module 11, and the optical fiber connector 20 is installed and separated from the plug module. In other embodiments, two surfaces of the first clamping block 112a and the first clamping groove 212a, which are adapted to each other, may be designed as curved surfaces, so long as the groove wall of the first clamping groove 212a can jack up the first clamping block 112a, which is all the protection scope of the present invention.

Under the condition that the shapes of the first clamping blocks 112a and the first clamping grooves 212a are limited or not, two first clamping blocks 112a are arranged on two sides of the first inserting hole 111a through arranging two first clamping grooves 212a on the reset wedge block 212, and each first clamping block 112a is matched with one first clamping groove 212a in a clamping way, so that the clamping strength of the connecting pipe 21 and the inserting module 11 is improved, and the stability of the connection of the optical fibers 22 is ensured.

Referring to fig. 2-5 and fig. 10-11, in an embodiment of the present invention, the connection pipe 21 further includes a main housing 211, the main housing 211 is disposed on a side of the reset wedge 212 away from the tail sleeve 213, the reset wedge 212 is sleeved on one end of the main housing 211 and is movably connected with the main housing 211, a second elastic member 214 is disposed between the reset wedge 212 and the main housing 211, and the tail sleeve 213 is pulled toward a direction away from the plug hole 111a, so as to drive the reset wedge 212 to move, unlock the connection pipe 21 and the plug module 11, and compress the second elastic member 214.

In this embodiment, the tail sleeve 213 is fixedly connected with the reset wedge 212, the reset wedge 212 is movably connected with the main housing 211, and the tail sleeve 213 is pulled to drive the reset wedge 212 to move, so as to unlock the connection pipe 21 and the plug module 11. By providing the tail cover 213, the holding area when the operator pulls the connection pipe 21 is increased, and the convenience of operation is improved. The second elastic member 214 may be a spring, and by setting the second elastic member 214 between the reset wedge 212 and the main housing 211, when the tail sleeve 213 is pulled to unlock the connection pipe 21 and the plug module 11, the second elastic member 214 is in a compressed state, and applies a force opposite to the pulling of the tail sleeve 213 to the reset wedge 212, so as to block the connection pipe 21 from being separated from the plug module 11, so as to improve the connection strength between the connection pipe 21 and the plug module 11, avoid the separation of the connection pipe 21 and the plug module 11 due to interference of external force or mistouching the tail sleeve 213, and further improve the connection stability of the optical fiber 22.

Referring to fig. 5 to 9, in an embodiment of the present invention, two oppositely disposed fins 212c are formed on the outer peripheral wall of the reset wedge 212 extending toward one side of the main housing 211, two oppositely disposed fin grooves 211a are formed on the outer peripheral wall of the main housing 211 in a recessed manner, the two fins 212c are respectively inserted into the two fin grooves 211a, a spring groove is formed by recessing and enclosing the bottom of the fin groove 211a and the fin 212c toward one side of the fin groove 211a, and the second elastic member 214 is a spring and is disposed in the spring groove and is respectively abutted against the fin 212c and the wall of the fin groove 211 a;

and/or, the plugging module 11 further includes a fixed baffle 114, the hole wall of the plugging hole 111a is provided with a limiting hole, the limiting hole is covered by the fixed baffle 114 and is arranged at one end of the limiting hole away from the plugging hole 111a, and the fixed baffle 114 and the hole wall of the limiting hole enclose to form a limiting groove 111b, and the first elastic member 113 is arranged between the fixed baffle 114 and the retaining member 112.

In the present embodiment, the fins 212c on both sides of the return wedge 212 are circular arc-shaped, and the cross-sectional shape of the main housing 211 is circular, so that the fins 212c are matched with the fin grooves 211a formed by recessing the outer peripheral wall of the main housing 211. The recesses at the bottom of the fin groove 211a and at one side of the fin 212c are arranged oppositely, so that the two opposite recesses are enclosed to form a spring groove, the spring is arranged in the spring groove, and two ends of the spring are abutted against the fin 212c and the groove wall of the fin groove 211 a. It can be appreciated that when the optical connector is inserted into the plugging hole 111a, the two ends of the second elastic member 214 are pressed against the fin 212c and the slot wall of the fin slot 211a when the connecting tube 21 is engaged with the plugging module 11, so as to block the reset wedge 212 from moving relative to the main housing 211, thereby improving the engaging strength of the connecting tube 21 and the plugging module 11. When the tail sleeve 213 is pulled, the reset wedge 212 is driven to move, the second elastic element 214 is compressed, so that resistance is generated to the movement of the tail sleeve 213, and the situation that the optical fiber connector 20 is pulled out of the mounting box 10 due to the false collision of external force is reduced.

The plug-in module 11 further comprises a fixed stop 114, with or without the reset wedge 212 being provided with fins. Limiting holes are formed in two sides of the plug hole 111a, the outer edges of the limiting holes extend towards the direction away from the plug hole 111a to form a baffle, and the fixed baffle 114 is arranged on one side of the baffle away from the plug hole 111a and surrounds the baffle to form a limiting groove 111b. It can be appreciated that a plurality of strip-shaped grooves can be formed in the baffle, and a strip-shaped block is convexly arranged on one side, facing the baffle, of the fixed baffle 114, and the strip-shaped block is clamped in the strip-shaped grooves, so that the fixed baffle 114 is covered on the baffle. Meanwhile, the first elastic member 113 is disposed between the fixed baffle 114 and the retaining member 112, so that the retaining member 112 is movably disposed in the limiting groove 111b. The two opposite sides of the fixed baffle 114 and the retaining member 112 can be provided with the limiting posts in a protruding way, and the two ends of the first elastic member 113 are respectively sleeved on the limiting posts of the fixed baffle 114 and the retaining member 112, so that the stability of the first elastic member 113 in the elastic compression process is improved, and the smoothness of the connecting pipe 21 and the plug-in module 11 in the plug-in process is further improved.

Referring to fig. 7 and 9, in an embodiment of the invention, an end of the reset wedge 212 away from the tail sleeve 213 abuts against a middle portion of the main housing 211, a second clamping groove 212b is formed in a concave manner on a side of the middle portion of the main housing 211, which is close to the reset wedge 212, a second clamping block 112b is convexly arranged on a side of the retaining member 112, which faces the insertion hole 111a, and the first elastic member 113 presses the retaining member 112, so that the second clamping block 112b is clamped in the second clamping groove 212b, the tail sleeve 213 is pulled, and the reset wedge 212 jacks up the first clamping block 112a, so that the second clamping block 112b is separated from the second clamping groove 212 b.

In this embodiment, the groove wall of the second clamping groove 212b may be perpendicular to the groove bottom, and the cross section of the end of the second clamping block 112b is rectangular, so that when the second clamping block 112b is clamped in the second clamping groove 212b, the groove wall of the second clamping groove 212b limits the second clamping block 112b to prevent the main housing 211 from moving along the axial direction of the plugging hole 111a, thereby improving the clamping strength between the connecting pipe 21 and the plugging module 11. It can be understood that the groove bottom of the first clamping groove 212a and the groove wall of the second clamping groove 212b are on the same horizontal plane, and the end surfaces of the first clamping block 112a and the second clamping block 112b are also on the same horizontal plane, so that the first clamping block 112a and the second clamping block 112b are simultaneously abutted with the first clamping groove 212a and the second clamping groove 212 b. Meanwhile, when the tail sleeve 213 is pulled to drive the reset wedge 212 to move, the first clamping block 112a moves to the notch of the first clamping groove 212a, and the second clamping block 112b also moves to the notch of the second clamping groove 212b, so as to ensure that the clamping cooperation of the first clamping block 112a and the first clamping groove 212a and the clamping cooperation of the second clamping block 112b and the second clamping groove 212b are simultaneously unlocked, namely the cooperation of the connecting pipe 21 and the plug module 11 is unlocked. The opposite two sides of the middle part of the main housing 211 are respectively provided with a second clamping groove 212b, and the retaining pieces 112 arranged on the two sides of the plug hole 111a are respectively provided with a second clamping block 112b, so that the two sides of the connecting pipe 21 are respectively matched with the plug module 11 in a clamping way, and the plug stability is further improved.

Referring to fig. 6 to 11, in an embodiment of the present invention, a cross-sectional dimension of a middle portion of the main housing 211 is larger than a cross-sectional dimension of two ends of the main housing 211, a connecting surface 211b between the middle portion of the main housing 211 and one end of the main housing 211, which is far away from the reset wedge 212, is an inclined surface, the connecting pipe 21 is inserted into the insertion hole 111a, and the connecting surface 211b abuts against and lifts the first clamping block 112a, so that the connecting pipe 21 is inserted into the insertion hole 111a.

In this embodiment, the shape of the main housing 211 is matched with the shape of the plugging hole 111a, and the cross-sectional dimension of the middle part of the main housing 211 is larger than the cross-sectional dimension of the two ends, so that the middle part of the main housing 211 is in snap fit with the retaining member 112. The diameter of the insertion hole 111a near the end of the installation cavity 121 is smaller, so that the end of the main housing 211 facing the installation cavity 121 is tightly matched with the end, and the connection strength of the connection pipe 21 and the insertion module 11 is improved.

The connection between the middle part of the main housing 211 and the end part far away from the reset wedge 212 is designed as an inclined plane, so that when the main housing 211 is inserted into the insertion hole 111a, the connection in the shape of the inclined plane can squeeze the first clamping block 112a, so that the first clamping block 112a is jacked up, and the connecting pipe 21 can be smoothly inserted into the insertion hole 111a. In other embodiments, the connection between the middle portion and the end portion of the main housing 211 may be designed as a curved surface, so long as the connection can jack up the first clamping block 112a when the main housing 211 is inserted into the insertion hole 111a, which falls within the protection scope of the present invention.

Referring to fig. 6 to fig. 9, in an embodiment of the present invention, a sealing groove is formed at one end of the connecting tube 21 facing the plugging hole 111a, a sealing ring is disposed in the sealing groove, the connecting tube 21 is inserted into the plugging hole 111a, and the sealing ring is abutted with the wall of the plugging hole 111 a;

and/or the cross-sectional shape of the opposite sides of the boot 213 is uneven.

In this embodiment, the sealing ring is sleeved at one end of the main housing 211 facing the plugging hole 111a, so as to improve the plugging strength of the connecting tube 21 and the plugging module 11 and the sealing performance of the plugging hole 111a, and prevent moisture or dust from entering the mounting cavity 121 through the plugging hole 111a when the optical fiber connection assembly 1 is used for a long time, thereby affecting the connection between the optical fiber 22 and the connection line. At the same time, a sealing ring can be sleeved on the periphery of the plugging module 11, so that the tightness and the waterproofness between the module body 111 and the box body 12 are improved.

In the case that the sealing rings are sleeved at the end portions of the main housing 211, with or without limitation, the cross-sectional shapes of the two opposite sides of the tail sleeve 213 are concave-convex, so that the friction force of the tail sleeve 213 is increased, and the tail sleeve 213 is pulled out by operation.

Referring to fig. 2 and 5, in an embodiment of the present invention, the optical fiber connector 20 further includes a hot-melt tube 24, a ferrule 25, a ferrule stop 26 and a pressure ring 23 disposed in the connection tube 21, the ferrule 25 is connected to the ferrule stop 26 and sleeved on an end of the optical fiber 22 facing the insertion hole 111a, the pressure ring 23 is crimped to an end of the optical fiber 22 facing the ferrule stop 26, and the hot-melt tube 24 is sleeved on the peripheries of the pressure ring 23 and the optical fiber 22.

In this embodiment, when the optical fiber connector 20 is assembled, one end of the optical cable stripped fiber is first sequentially passed through the ferrule 25 and the ferrule stop 26, and is exposed at one end of the ferrule 25 away from the ferrule stop 26. Then, the main housing 211 and the reset wedge 212 are assembled and sleeved on the peripheries of the ferrule 25 and the ferrule stop 26, and then the compression ring 23 is sleeved at the fiber stripping position and is in compression joint sealing fixation, so that the compression ring 23 plays a role in protecting the optical fiber 22. Then, the hot-melt tube 24 is sleeved on the outer periphery of the compression ring 23 and the optical fiber 22 and is abutted against the reset wedge 212, and the hot-melt tube 24 has a further sealing effect on the optical fiber 22. Finally, the tail sleeve 213 is connected with the reset wedge 212, thereby completing the assembly of the optical fiber connector 20.

Referring to fig. 4, in an embodiment of the present invention, the mounting box 10 further includes a wire arranging disc 14 and a plug connector 13, the wire arranging disc 14 is disposed in the mounting cavity 121 for placing connection lines, the plug connector 13 is provided with at least two plug connectors and is disposed at a side of a plug hole 111a facing the mounting cavity 121, and two ends of the plug connector 13 are respectively inserted with the connection lines and the optical fibers 22 to connect the optical fibers 22 with the connection lines.

In this embodiment, the plug 13 serves to connect the optical fiber 22 and the connection line, improving the connection stability and connection strength. One end of the plug 13 is plugged into the plug hole 111a, and the other end is arranged in the mounting cavity 121. The plug 13 may be provided in plurality, and each plug hole 111a is correspondingly provided with a plug 13, so that the installation box 10 can realize the network transmission effect of a plurality of lines at the same time. By arranging the wire arranging disc 14 in the mounting cavity 121, the connecting circuit is tidier, and the convenience of circuit arrangement is improved.

The foregoing description is only of the preferred embodiments of the present invention and is not intended to limit the scope of the invention, and all equivalent structural changes made by the description of the present invention and the accompanying drawings or direct/indirect application in other related technical fields are included in the scope of the invention.

Claims

1. An optical fiber connection assembly (1), characterized in that the optical fiber connection assembly (1) comprises:

the mounting box (10), the mounting box (10) comprises a box body (12) and a plug-in module (11), wherein a mounting cavity (121) is formed in the box body (12), the plug-in module (11) is arranged in the mounting cavity (121), at least two plug-in holes (111 a) communicated with the mounting cavity (121) are formed in the plug-in module (11), and a connecting circuit is arranged in the mounting cavity (121); and

the optical fiber connector (20), the optical fiber connector (20) comprises a connecting pipe (21) and an optical fiber (22), the connecting pipe (21) is sleeved at one end of the optical fiber (22) and is inserted into the inserting hole (111 a), the connecting pipe (21) is in clamping fit with the hole wall of the inserting hole (111 a), and the optical fiber (22) is connected with the connecting circuit; pulling the connection tube (21) in a direction away from the plug hole (111 a) to unlock the mating of the connection tube (21) and the plug module (11) to separate the fiber optic connector (20) and the mounting box (10).

2. The optical fiber connection assembly (1) according to claim 1, wherein the connection tube (21) comprises a tail sleeve (213) and a reset wedge (212) which are connected in sequence, and the plug-in module (11) comprises a module body (111) and a backstop (112);

the utility model provides a connecting pipe, including spliced eye (111 a), including spliced eye (111 a), spliced eye (111 b), stop piece (112) are movably located in spliced eye (111 b), stop piece (112) with be equipped with first elastic component (113) between the tank bottom of spliced eye (111 b), stop piece (112) keep away from one side of spliced eye (111 b) is protruding to be equipped with first joint piece (112 a), first elastic component (113) extrusion stop piece (112) so that one end of first joint piece (112 a) stretches into spliced eye (111 a), and with first joint groove (212 a) butt, pulling tail sleeve (213), first joint piece (112) with be equipped with first elastic component (113) between the tank bottom of stop groove (111 b), stop piece (112) keep away from one side of stop piece (112) extrusion stop piece (112), so that one end of first joint piece (112 a) stretches into spliced eye (111 a), one end of stop piece (112 a) is kept away from in order to compress joint piece (112) in order to keep away from in the direction of first joint piece (112) elastic component (112).

3. The optical fiber connection assembly (1) according to claim 2, wherein a surface of the first clamping groove (212 a) away from the groove wall of the tail sleeve (213) is an inclined surface, and a side surface of the first clamping block (112 a) away from the tail sleeve (213) is an inclined surface and is matched with the groove wall of the first clamping groove (212 a) away from the tail sleeve (213);

and/or, the two opposite sides of the reset wedge block (212) are respectively provided with a first clamping groove (212 a), two first clamping blocks (112 a) are respectively arranged on the two sides of each plug hole (111 a), and one first clamping block (112 a) is matched with one first clamping groove (212 a) in a clamping way.

4. A fiber optic connection assembly (1) according to any of claims 2-3, wherein the connection tube (21) further comprises a main housing (211), the main housing (211) is arranged at one side of the reset wedge (212) away from the tail sleeve (213), the reset wedge (212) is sleeved at one end of the main housing (211) and is movably connected with the main housing (211), a second elastic member (214) is arranged between the reset wedge (212) and the main housing (211), and the tail sleeve (213) is pulled towards a direction away from the plug hole (111 a) to drive the reset wedge (212) to move, so as to unlock the cooperation of the connection tube (21) and the plug module (11) and compress the second elastic member (214).

5. The optical fiber connection assembly (1) according to claim 4, wherein the outer Zhou Bichao of the reset wedge (212) extends to one side of the main housing (211) to form two oppositely arranged fins (212 c), two oppositely arranged fin grooves (211 a) are formed in the periphery wall of the main housing (211) in a recessed manner, the two fins (212 c) are respectively inserted into the two fin grooves (211 a), a spring groove is formed by recessing and enclosing the groove bottom of the fin groove (211 a) and one side of the fin (212 c) facing the fin groove (211 a), and the second elastic piece (214) is a spring which is arranged in the spring groove and is respectively abutted with the groove walls of the fin (212 c) and the fin groove (211 a);

and/or, grafting module (11) still includes fixed stop (114), limiting hole has been seted up to the pore wall of spliced eye (111 a), limiting hole, fixed stop (114) lid is located limiting hole is kept away from the one end of spliced eye (111 a), and with limiting hole's pore wall encloses and closes and form limiting groove (111 b), first elastic component (113) are located between fixed stop (114) with stopping piece (112).

6. The optical fiber connection assembly (1) according to claim 4, wherein an end of the reset wedge (212) away from the tail sleeve (213) is abutted against the middle part of the main housing (211), a second clamping groove (212 b) is formed in the middle part of the main housing (211) in a recessed manner on one side close to the reset wedge (212), a second clamping block (112 b) is convexly arranged on one side of the retaining member (112) facing the inserting hole (111 a), the first elastic member (113) presses the retaining member (112) so that the second clamping block (112 b) is clamped in the second clamping groove (212 b), the tail sleeve (213) is pulled, and the reset wedge (212) jacks up the first clamping block (112 a) so that the second clamping block (112 b) is separated from the second clamping groove (212 b).

7. The optical fiber connection assembly (1) according to claim 6, wherein the cross-sectional dimension of the middle part of the main housing (211) is larger than the cross-sectional dimension of two ends of the main housing (211), the connecting surface (211 b) of the middle part of the main housing (211) and one end of the main housing (211) far away from the reset wedge block (212) is an inclined surface, the connecting pipe (21) is inserted into the insertion hole (111 a), and the connecting surface (211 b) abuts against and jacks up the first clamping block (112 a) so that the connecting pipe (21) is inserted into the insertion hole (111 a).

8. A fiber optic connection assembly (1) according to any of claims 2-3, wherein a sealing groove is provided at one end of the connection tube (21) facing the plug hole (111 a), a sealing ring is provided in the sealing groove, the connection tube (21) is inserted into the plug hole (111 a), and the sealing ring is abutted against the wall of the plug hole (111 a);

and/or the cross section shape of two opposite sides of the tail sleeve (213) is uneven.

9. A fiber optic connection assembly (1) according to any of claims 1-3, wherein the fiber optic connector (20) further comprises a hot melt tube (24), a ferrule (25), a ferrule stop (26) and a pressure ring (23) disposed in the connecting tube (21), the ferrule (25) and the ferrule stop (26) are connected and sleeved at one end of the optical fiber (22) facing the insertion hole (111 a), the pressure ring (23) is crimped at one end of the optical fiber (22) facing the ferrule stop (26), and the hot melt tube (24) is sleeved at the peripheries of the pressure ring (23) and the optical fiber (22).

10. A fiber optic connection assembly (1) according to any one of claims 1-3, wherein the mounting box (10) further comprises a wire arranging disc (14) and a plug connector (13), the wire arranging disc (14) is arranged in the mounting cavity (121) and is used for placing connection lines, the plug connector (13) is provided with at least two connectors and is respectively arranged on one side of the plug hole (111 a) facing the mounting cavity (121), and the connection lines and the optical fibers (22) are respectively inserted at two ends of the plug connector (13) so that the optical fibers (22) are connected with the connection lines.