CN212658860U

CN212658860U - Branching box and optical fiber connector

Info

Publication number: CN212658860U
Application number: CN202021814770.7U
Authority: CN
Inventors: 云晓华
Original assignee: Dongguan Fsg Co ltd
Current assignee: Dongguan Fsg Co ltd
Priority date: 2020-08-26
Filing date: 2020-08-26
Publication date: 2021-03-05
Anticipated expiration: 2030-08-26

Abstract

The utility model discloses a branching box and fiber connector, including first casing and connect in spacing seat in the first casing, first casing middle part is run through and is provided with the installation cavity, be provided with the mount pad in the installation cavity, be located the mount pad front side annular spacing groove has been seted up on the installation cavity, correspond on the spacing seat annular spacing groove is provided with first spacing boss, and the tail end of this spacing seat is located in the mount pad, the end of inserting of spacing seat extends first casing front end. The utility model discloses a set up the junction box, can strengthen the protection to optic fibre, further promote fiber connector's quality, prolong fiber connector's life.

Description

Branching box and optical fiber connector

Technical Field

The utility model relates to an optical fiber equipment technical field, in particular to distribution box and fiber connector including this distribution box.

Background

Optical fiber has the advantages of high bandwidth and low loss, and has been widely used as a transmission medium for signals in recent years. The optical fiber connector is a mechanical device installed at the end of an optical fiber, and can be used as a connecting part of an optical path during optical fiber connection. The optical fiber transmission signal is generally required to be divided into a plurality of single optical fiber transmission signals, a traditional MP024C fan-shaped branch line is connected and fixed with 24 hollow pipes and optical fibers with the thickness of 0.9mm in a heat shrinkage pipe mode, the optical fibers are easy to break in the production and processing process, the hollow pipes and the optical fibers of a product are loosened or fall off after the product is subjected to a heat shrinkage process, when the optical fibers are installed in a connector, the hollow pipes are loosened or fall off, the optical fibers are exposed outside and are easy to break, the optical fiber connector is damaged, and therefore optical fiber transmission cannot be carried out.

Disclosure of Invention

An object of the utility model is to the above-mentioned problem, provide a branching box.

An object of the present invention is to provide a fiber connector including the above-mentioned junction box.

The utility model discloses a realize that the technical scheme that above-mentioned purpose adopted does:

the utility model provides a branching box, include first casing and connect in spacing seat in the first casing, first casing middle part is run through and is provided with the installation cavity, be provided with the mount pad in the installation cavity, be located the mount pad front side annular spacing groove has been seted up on the installation cavity, correspond on the spacing seat annular spacing groove is provided with first spacing boss, and the tail end of this spacing seat is located in the mount pad, the end that inserts of spacing seat extends first casing front end.

Preferably, the first housing comprises an upper cover and a lower cover which are buckled with each other, and the edges of the upper cover and the lower cover are respectively and correspondingly provided with a first buckle and a first clamping groove which are matched with each other.

Preferably, a second limiting boss is arranged on the limiting seat and positioned in front of the first limiting boss, so as to seal a front opening of the mounting cavity of the first shell.

Preferably, the middle part of the limiting seat is provided with an optical fiber insertion groove in a penetrating manner.

The utility model provides an optical fiber connector, includes foretell junction box, connect in the interior casing on the end is inserted to spacing seat, cup joint the shell body on this interior casing, and be located this shell body front side, and cup joint the dust cap on this interior casing, the end front side is inserted through first spring coupling to spacing seat has the optic fibre lock pin, the optic fibre lock pin is located in the interior casing.

Preferably, the insertion end of the limiting seat is provided with a second buckle, and a second clamping groove is formed in the inner shell body corresponding to the second buckle.

Preferably, the side faces of the two ends of the inner shell are respectively provided with a first accommodating groove, the inner walls of the two ends of the outer shell are provided with a third boss, the third boss corresponds to the first accommodating groove and is provided with a second accommodating groove, and the second spring is located between the first accommodating groove and the second accommodating groove.

Preferably, the upper surface of the inner shell is provided with a guide block, the lower surface of the inner shell is provided with a third buckle, the inner wall of the upper end of the outer shell is provided with a first guide groove matched with the guide block, the inner wall of the lower end of the outer shell is provided with a second guide groove, and the second guide groove is internally provided with a fourth buckle matched with the third buckle

The utility model has the advantages that: the utility model has the advantages of simple and reasonable structure, design benefit through setting up the junction box, can strengthen the protection to optic fibre, further promotes fiber connector's quality, prolongs fiber connector's life.

The present invention will be further explained with reference to the drawings and the embodiments.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is an exploded view of an optical fiber connector according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of an optical fiber connector according to an embodiment of the present invention;

fig. 3 is a side view of the limiting seat, the inner casing and the outer casing in the embodiment of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

fig. 5 is a schematic structural diagram of the outer housing in the embodiment of the present invention.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, embodiments of the present invention are described in detail below with reference to the accompanying drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implying any number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the description of the present invention, it is to be understood that when an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. In contrast, when an element is referred to as being "directly connected" to another element, there are no intervening elements present.

Referring to fig. 1 to 4, a junction box 3 in an optional embodiment includes a first housing 1 and a limiting seat 2 connected to the first housing 1, where an installation cavity 10 is provided in the middle of the first housing 1 in a penetrating manner, an installation seat 11 is provided in the installation cavity 10, an annular limiting groove 100 is provided on the installation cavity 10 and located on the front side of the installation seat 11, a first limiting boss 20 is provided on the limiting seat 2 corresponding to the annular limiting groove 100, the tail end of the limiting seat 2 is located in the installation seat 11, and an insertion end of the limiting seat 2 extends out of the front end of the first housing 1.

In the embodiment of the present invention, the optical fiber is wrapped by an empty tube with a tube diameter of 0.9mm to expose the bare fiber, after the optical fiber enters the distribution box 3 from the rear opening of the installation cavity 10, the empty tube of the optical fiber located at the front end is stripped to expose the bare fiber, then the bare fiber is processed into the optical fiber ferrule, and the optical fiber located in the installation cavity 10 is fixed in the installation cavity 10 of the distribution box 3 through the high temperature resistant adhesive tape or glue, so as to prevent the optical fiber from moving backwards and separating from the distribution box 3; wherein the size of the high temperature resistant adhesive tape is 5mm in length and 0.3mm in thickness;

on the other hand, the slot position in the middle of the mounting seat 11 is matched with the tail end shape of the limiting seat 2, and a plurality of anti-skid lines are arranged on the tail end of the limiting seat 2 to increase the friction force of the tail end of the limiting seat 2 and prevent the limiting seat 2 from being separated from the junction box 3;

on the other hand, the first position-limiting projection 20 is engaged with the annular position-limiting groove 100 to prevent the position-limiting seat 2 from coming off the distribution box 3 and to limit the movement of the position-limiting seat 2 in the front-rear direction.

Referring to fig. 1, in another alternative embodiment of the distribution box 3, the first housing 1 includes an upper cover 12 and a lower cover 13 that are fastened to each other, and the edges of the upper cover 12 and the lower cover 13 are respectively and correspondingly provided with a first fastener 14 and a first engaging groove 15 that are matched to each other.

The utility model discloses an in the middle of the embodiment, be provided with first buckle 14 and first draw-in groove 15 respectively on the left and right edge of lower cover 13, the setting position of first buckle 14 and first draw-in groove 15 can be left and right symmetry setting, also can be like the distribution staggers in the embodiment of the utility model.

Referring to fig. 1, in an alternative embodiment of the distribution box 3, a second limiting boss 21 is disposed on the limiting seat 2 at the front side of the first limiting boss 20, and is used for sealing the front opening of the installation cavity 10 of the first housing 1.

Referring to fig. 1, in an alternative embodiment of the distribution box 3, an optical fiber insertion slot 23 is formed through the middle of the stopper base 2.

Referring to fig. 1 to 4, in an alternative embodiment, the optical fiber connector includes the distribution box 3, an inner housing 4 connected to the insertion end of the limiting seat 2, an outer housing 5 sleeved on the inner housing 4, and a dust cap 6 located at the front side of the outer housing 5 and sleeved on the inner housing 4, the front side of the insertion end of the limiting seat 2 is connected with an optical fiber ferrule 8 through a first spring 7, and the optical fiber ferrule 8 is located in the inner housing 4.

The utility model discloses an in the embodiment, 8 both ends of optic fibre lock pin are provided with

guide pin

80, and 8 rear ends of optic fibre lock pin are connected with connecting piece 81, and first spring 7 sets up in the connecting piece, makes optic fibre lock pin 8 can remove in inner shell 4.

Referring to fig. 1 to 4, in another alternative embodiment of the optical fiber connector, an insertion end of the limiting seat 2 is provided with a second snap 24, and a second snap groove 40 is provided on the inner housing 4 corresponding to the second snap 24.

Referring to fig. 1 to 4, in another alternative embodiment of the optical fiber connector, the inner housing 4 is provided with first receiving grooves 41 on both side surfaces, the outer housing 5 is provided with third bosses 50 on both inner walls, the third bosses 50 are provided with second receiving grooves 51 corresponding to the first receiving grooves 41, and the second spring 42 is located between the first receiving grooves 41 and the second receiving grooves 51.

In the embodiment of the present invention, the outer housing 5 can be moved back and forth on the inner housing 4 by providing the second spring 42 between the inner housing 4 and the outer housing 5.

Referring to fig. 1 to 4, in another alternative embodiment of the optical fiber connector, a guide block 43 is disposed on an upper surface of the inner housing 4, a third buckle 44 is disposed on a lower surface of the inner housing 4, a first guide groove 52 engaged with the guide block 43 is formed on an inner wall of an upper end of the outer housing 5, a second guide groove 53 is formed on an inner wall of a lower end of the outer housing 5, and a fourth buckle 54 engaged with the third buckle 44 is disposed in the second guide groove 53.

In another alternative embodiment of the optical fiber connector, the inner wall of the dust cap 6 is provided with an avoiding groove corresponding to the guide block 43 and the third fastener 44 on the inner housing 4, so that the dust cap 6 can be installed on the inner housing 4, thereby playing a role of dust prevention and avoiding external foreign matters from entering the optical fiber ferrule 8.

The utility model has the advantages of simple and reasonable structure, design benefit through setting up junction box 3, can strengthen the protection to optic fibre, further promotes fiber connector's quality, prolongs fiber connector's life.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features. The invention is not limited to the embodiments described herein, but is capable of other embodiments according to the invention, and may be used in various other applications, including, but not limited to, industrial. Therefore, the equivalent changes made according to the shape, structure and principle of the present invention should be covered in the protection scope of the present invention.

Claims

1. The utility model provides a branching box which characterized in that: the limiting device comprises a first shell and a limiting seat connected to the first shell, wherein an installation cavity is formed in the middle of the first shell in a penetrating mode, an installation seat is arranged in the installation cavity and located on the front side of the installation seat, an annular limiting groove is formed in the installation cavity, the limiting seat corresponds to the annular limiting groove, a first limiting boss is arranged on the annular limiting groove, the tail end of the limiting seat is located in the installation seat, and the insertion end of the limiting seat extends out of the front end of the first shell.

2. The distribution box of claim 1, wherein the first housing includes an upper cover and a lower cover that are fastened to each other, and the edges of the upper cover and the lower cover are respectively and correspondingly provided with a first fastener and a first engaging groove that are engaged with each other.

3. The distribution box of claim 1, wherein a second limiting boss is disposed on the limiting seat at a front side of the first limiting boss for sealing a front opening of the mounting cavity of the first housing.

4. The distribution box of claim 1, wherein the retainer has a fiber insertion slot extending through a middle portion thereof.

5. An optical fiber connector, characterized by: the optical fiber distribution box comprises the distribution box of claim 1, an inner shell connected to the insertion end of the limiting seat, an outer shell sleeved on the inner shell, and a dustproof cap located on the front side of the outer shell and sleeved on the inner shell, wherein the front side of the insertion end of the limiting seat is connected with an optical fiber insertion core through a first spring, and the optical fiber insertion core is located in the inner shell.

6. The optical fiber connector according to claim 5, wherein the insertion end of the limiting seat is provided with a second buckle, and a second clamping groove is formed on the inner housing corresponding to the second buckle.

7. The optical fiber connector according to claim 5, wherein the inner housing has first receiving grooves formed on the side surfaces of the two ends thereof, the outer housing has third bosses formed on the inner walls of the two ends thereof, the third bosses have second receiving grooves formed corresponding to the first receiving grooves, and the second spring is disposed between the first receiving grooves and the second receiving grooves.

8. The optical fiber connector according to claim 5, wherein a guide block is disposed on the upper surface of the inner housing, a third buckle is disposed on the lower surface of the inner housing, a first guide groove engaged with the guide block is formed on the inner wall of the upper end of the outer housing, a second guide groove is formed on the inner wall of the lower end of the outer housing, and a fourth buckle engaged with the third buckle is disposed in the second guide groove.