CN212229235U

CN212229235U - Optical fiber circulator convenient for three ports

Info

Publication number: CN212229235U
Application number: CN202021387699.9U
Authority: CN
Inventors: 欧涛
Original assignee: Shenzhen Feiyi Optoelectronic Communication Co ltd
Current assignee: Shenzhen Feiyi Optoelectronic Communication Co ltd
Priority date: 2020-07-13
Filing date: 2020-07-13
Publication date: 2020-12-25
Anticipated expiration: 2030-07-13

Abstract

The utility model discloses an optic fibre circulator convenient to three ports, including the device main part, the fixed mounting structure that is provided with of lower extreme of device main part, and the one end of device main part is provided with first port, the other end of device main part is equipped with the second port, and the side fixed mounting of device main part has the third port. An optical fiber circulator convenient to three ports, mounting structure through setting up, adopt the mounting hole of U type, even positional deviation also can guarantee normal installation appears in the screw, it is relevant to have improved the stability after the installation, the screw of normal installation is convenient to be dismantled simultaneously, it is nimble convenient to dismantle, adopt the abrasion pad in the mounting structure simultaneously, can form certain buffering, form the protection to corresponding structure, through the protective structure who sets up, can effectual protection port structure, avoid port structure's the damage of buckling, can dismantle simultaneously, the use flexibility has been improved.

Description

Optical fiber circulator convenient for three ports

Technical Field

The utility model relates to an optical fiber circulator field, in particular to optical fiber circulator convenient to three ports.

Background

The three-port optical fiber circulator is a multi-port nonreciprocal optical device, and light can only propagate along one direction. If the signal is input from the first port, the signal is output from the second port; and the signal is input from the second port, and is output from the third port, and the output loss is small. When light is input from the second port, the loss is large when light is output from the first port, and when light is input from the third port, the loss is large when light is output from the first port and the second port. The optical fiber is widely applied to the fields of optical fiber lasers, add-drop multiplexers, bidirectional pumping systems, dispersion compensation devices, optical fiber sensing, scientific research and the like because of high isolation and small insertion loss; in the current three port optic fibre circulator, utilize the screw to install, but because the limitation of mounting hole, if when appearing installation screw position deviation, difficult normal rotatory screw, the screw of improper installation also is difficult to dismantle simultaneously, uses to get up and has certain limitation, in the current three port optic fibre circulator, the port structure exposes outside, can not obtain the protection during the use, easy buckling damage.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide an optical fiber circulator with three ports, which can effectively solve the problems of the prior art.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an optic fibre circulator convenient to three ports, includes the device main part, the fixed mounting structure that is provided with of lower extreme of device main part, and the one end of device main part is provided with first port, the other end of device main part is equipped with the second port, and the side fixed mounting of device main part has the third port, fixed mounting has the protective structure who is used for protecting first port, second port and third port in the device main part.

Preferably, the device main body is provided with a receding groove at a corner position, and the device main body is connected with the mounting structure in a fusion manner.

Preferably, the mounting structure includes mounting plate, wear pad and mounting hole, mounting plate is fixed in the lower extreme of device main part, the wear pad sets up in mounting plate's lower surface, the mounting hole is seted up on mounting plate, wear pad.

Preferably, glue is arranged between the wear-resistant pad and the mounting base plate, the wear-resistant pad is fixedly mounted on the mounting base plate through the glue, and the mounting hole is U-shaped.

Preferably, protective structure includes screw hole, lag, screwed joint, spiral shell antiskid cover, through-hole and flexible cover, the screw hole is seted up on the device main part, screwed joint is fixed in the one end of lag, spiral shell antiskid cover sets up in screwed joint's the other end, the through-hole is seted up on the lag, flexible cover is established in the through-hole on the lag.

Preferably, threaded connection between screwed joint and the screw hole, the lag is fixed in on the device main part through screwed joint, antiskid cover and flexible cover are all fixed in on the lag through glue.

Compared with the prior art, the utility model discloses following beneficial effect has: this optic fibre circulator convenient to three ports, mounting structure through setting up, adopt the mounting hole of U type, even positional deviation appears in the screw also can guarantee normal installation, it is relevant to have improved the stability after the installation, the screw of normal installation is convenient to be dismantled simultaneously, it is nimble convenient to dismantle, adopt the wear pad in the mounting structure simultaneously, can form certain buffering, form the protection to corresponding structure, through the protective structure who sets up, can effectual protection port structure, avoid port structure's the damage of buckling, can dismantle simultaneously, the use flexibility has been improved.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a fiber optic circulator with three ports according to the present invention;

FIG. 2 is an enlarged view of the optical fiber circulator A for three ports according to the present invention;

fig. 3 is a schematic structural view of the protection structure of the optical fiber circulator convenient for three ports of the present invention.

In the figure: 1. a device main body; 2. a mounting structure; 201. mounting a bottom plate; 202. a wear pad; 203. mounting holes; 3. a first port; 4. a second port; 5. a third port; 6. a protective structure; 601. a threaded hole; 602. a protective sleeve; 603. a threaded joint; 604. an anti-slip sleeve; 605. a through hole; 606. a flexible sleeve; 7. a yielding groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "both ends", "one end", "the other end" 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 simplification of description, but do not indicate or imply that the device or element to which the reference is made must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1-3, an optical fiber circulator convenient for three ports includes a device body 1, a mounting structure 2 is fixedly disposed at a lower end of the device body 1, a first port 3 is disposed at one end of the device body 1, a second port 4 is disposed at the other end of the device body 1, a third port 5 is fixedly disposed at a side surface of the device body 1, and a protection structure 6 for protecting the first port 3, the second port 4 and the third port 5 is fixedly disposed on the device body 1;

the corner position of the device main body 1 is provided with a abdicating groove 7, and the connection mode between the device main body 1 and the mounting structure 2 is fusion welding; the mounting structure 2 comprises a mounting base plate 201, a wear pad 202 and a mounting hole 203, wherein the mounting base plate 201 is fixed at the lower end of the device main body 1, the wear pad 202 is arranged on the lower surface of the mounting base plate 201, and the mounting hole 203 is arranged on the mounting base plate 201 and the wear pad 202; glue is arranged between the wear-resistant pad 202 and the mounting base plate 201, the wear-resistant pad 202 is fixedly mounted on the mounting base plate 201 through the glue, and the mounting hole 203 is U-shaped; the protective structure 6 comprises a threaded hole 601, a protective sleeve 602, a threaded joint 603, a screw anti-slip sleeve 604, a through hole 605 and a flexible sleeve 606, wherein the threaded hole 601 is formed in the device main body 1, the threaded joint 603 is fixed at one end of the protective sleeve 602, the screw anti-slip sleeve 604 is arranged at the other end of the threaded joint 603, the through hole 605 is formed in the protective sleeve 602, and the flexible sleeve 606 is arranged in the through hole 605 in the protective sleeve 602; the threaded connector 603 is in threaded connection with the threaded hole 601, the protective sleeve 602 is fixed on the device main body 1 through the threaded connector 603, and the anti-slip sleeve 604 and the flexible sleeve 606 are fixed on the protective sleeve 602 through glue; through the mounting structure 2 that sets up, adopt the mounting hole 203 of U type, even positional deviation also can guarantee normal installation appears in the screw, it is relevant to have improved the stability after the installation, the screw of normal installation is convenient to be dismantled simultaneously, it is nimble convenient to dismantle, adopt the abrasion pad 202 in the mounting structure 2 simultaneously, can form certain buffering, form the protection to corresponding structure, protective structure 6 through setting up, can effectual protection port structure, avoid the bending damage of port structure, can dismantle simultaneously, the use flexibility has been improved.

It should be noted that, the utility model relates to an optical fiber circulator convenient for three ports, when in use, firstly, the installation structure 2 is utilized to install the device main body 1, when in installation, the device main body 1 is placed on the installation plate, the installation holes 203 on the installation bottom plate 201 and the wear-resistant pad 202 are ensured to correspond to the screw holes on the installation plate, then, the lower ends of the installation screws pass through the installation holes 203 and are in threaded connection with the screw holes, the installation screws are screwed, thereby the installation bottom plate 201 is fixed, and the device main body 1 is installed, in the installation process, the installation screws can displace along the U-shaped installation holes 203 to a certain extent, the installation can be ensured when the screw hole position deviates, meanwhile, the wear-resistant pad 202 can form a certain buffer in the installation process, and further the structures such as the installation bottom plate 201 are effectively protected, the extrusion between the structures is avoided, when the installation of the device main body 1 is, the worker installs the protective structure 6 on the device main body 1, the protective structure 6 is used for protecting the first port 3, the second port 4 and the third port 5, when in installation, the protective sleeve 602 is sleeved on the port structure, the threaded connector 603 is in contact with the threaded hole 601, the anti-slip sleeve 604 on the protective sleeve 602 is pinched, the protective sleeve 602 is rotated, the threaded connector 603 is rotated into the threaded hole 601 until the protective sleeve 602 is fixedly installed on the device main body 1, the flexible sleeve 606 in the through hole 605 is in contact with the port structure, after the protective structure 6 is installed, the relevant optical fibers are connected, then the whole optical fiber circulator is used, when in use, the protective structure 6 can well protect the port structure, so that the use image is ensured, the damage of the relevant structure is avoided, the use effect is prolonged, if the whole circulator needs to be disassembled, the staff unscrews the mounting screw, take off device main part 1 and mounting structure 2 can, through the mounting structure 2 that sets up, adopt the mounting hole 203 of U type among the mounting structure 2 for in the installation, even positional deviation appears in the screw also can guarantee normal installation, improved the stable correlation after the installation, the convenient dismantlement of screw of normal installation simultaneously, it is nimble convenient to dismantle, has improved speed.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A fiber optic circulator for facilitating three-port, comprising: including device main part (1), the fixed mounting structure (2) that is provided with of lower extreme of device main part (1), and the one end of device main part (1) is provided with first port (3), the other end of device main part (1) is equipped with second port (4), and the side fixed mounting of device main part (1) has third port (5), fixed mounting has protective structure (6) that are used for protecting first port (3), second port (4) and third port (5) on device main part (1).

2. A three-port facilitating fiber optic circulator as claimed in claim 1, wherein: the corner position department of device main part (1) has seted up and has stepped down groove (7), and the connected mode between device main part (1) and mounting structure (2) is the butt fusion.

3. A three-port facilitating fiber optic circulator as claimed in claim 1, wherein: mounting structure (2) are including mounting plate (201), wear pad (202) and mounting hole (203), mounting plate (201) are fixed in the lower extreme of device main part (1), wear pad (202) set up in the lower surface of mounting plate (201), mounting hole (203) are seted up on mounting plate (201), wear pad (202).

4. A three port fiber optic circulator as claimed in claim 3, wherein: glue is arranged between the wear-resistant pad (202) and the mounting base plate (201), the wear-resistant pad (202) is fixedly mounted on the mounting base plate (201) through the glue, and the mounting hole (203) is U-shaped.

5. A three-port facilitating fiber optic circulator as claimed in claim 1, wherein: protective structure (6) are including screw hole (601), lag (602), screwed joint (603), spiral shell antiskid cover (604), through-hole (605) and flexible cover (606), screw hole (601) are seted up on device main part (1), screwed joint (603) are fixed in the one end of lag (602), spiral shell antiskid cover (604) set up in the other end of screwed joint (603), through-hole (605) are seted up on lag (602), flexible cover (606) set up in through-hole (605) on lag (602).

6. A three port fiber optic circulator as claimed in claim 5, wherein: the anti-skidding device is characterized in that the threaded connector (603) is in threaded connection with the threaded hole (601), the protecting sleeve (602) is fixed on the device main body (1) through the threaded connector (603), and the anti-skidding sleeve (604) and the flexible sleeve (606) are fixed on the protecting sleeve (602) through glue.