CN210243894U

CN210243894U - Optical fiber loop device

Info

Publication number: CN210243894U
Application number: CN201921096433.6U
Authority: CN
Inventors: Hui Liang; 梁汇
Original assignee: Optec Technology Ltd
Current assignee: Optec Technology Ltd
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-04-03
Anticipated expiration: 2029-07-12

Abstract

The utility model provides an optical fiber loop ware, optical fiber loop ware includes: the loop device comprises a loop device main body, wherein an accommodating cavity is arranged in the loop device main body; the front frame sleeve comprises a first connecting end and a second connecting end, the first connecting end is connected with the loop device main body, and the second connecting end is connected with the rear frame sleeve; the front frame sleeve is internally provided with a first accommodating cavity, the rear frame sleeve is internally provided with a second accommodating cavity, and the first accommodating cavity is communicated with the accommodating cavity and the second accommodating cavity respectively. The utility model provides an optical fiber loop ware has avoided optic fibre to receive external damage, and can play the tube bank effect to the line body of optic fibre, has effectively prevented that the line body takes place to interfere under the circumstances of optic fibre high density connection.

Description

Optical fiber loop device

Technical Field

The utility model relates to a return circuit ware field, in particular to optical fiber return circuit ware.

Background

A fiber optic circulator is a small optical device used to connect two optical circuits in the same port on a fiber optic device. When the optical communication equipment has a fault, the optical fiber loop device can be connected with the test equipment and the optical fiber equipment, so that an optical network signal at the test end is transmitted back to the receiving end from the transmitter end to form an optical signal receiving and transmitting loop, and the optical fiber loop test is completed. In the prior art, the optical fiber loop device has no structure of a tube bundle optical fiber line body, and when a large number of optical fiber loop devices are inserted into the connecting ends of optical fiber equipment, the optical fiber loop device is not easily interfered and damaged by the optical fiber line body of the tube bundle in a high-density optical fiber loop device environment.

SUMMERY OF THE UTILITY MODEL

The main object of the utility model is to provide an optical fiber loop ware, when the link that aims at solving optical fiber equipment was pegged graft and is had a large amount of optical fiber loop ware, the problem of the optical fiber line body that does not receive the tube bank easily interferes, damages in the optical fiber loop ware environment of high density.

In order to achieve the above object, the utility model provides an optical fiber loop ware, optical fiber loop ware includes: the loop device comprises a loop device main body, wherein an accommodating cavity is arranged in the loop device main body; the front frame sleeve comprises a first connecting end and a second connecting end, the first connecting end is connected with the loop device main body, and the second connecting end is connected with the rear frame sleeve; the front frame sleeve is internally provided with a first accommodating cavity, the rear frame sleeve is internally provided with a second accommodating cavity, and the first accommodating cavity is communicated with the accommodating cavity and the second accommodating cavity respectively.

Optionally, a wire inlet is further formed in the wall of the front frame sleeve, the wire inlet extends from the first connecting end to the second connecting end, and the wire inlet is communicated with the first accommodating cavity.

Optionally, the wire inlet is curved.

Optionally, a clamping jaw is arranged on the second connecting end, a clamping position is arranged on the rear frame sleeve, and the clamping jaw is buckled with the clamping position.

Optionally, the first receiving cavity gradually widens from the first connection end to the second connection end.

Optionally, the second connecting end is further provided with a positioning hole, the rear frame sleeve is provided with a positioning column, and the positioning column is embedded into the positioning hole and matched with the positioning column.

Optionally, a limiting plate is further arranged on the second connecting end, a limiting groove is formed in the rear frame sleeve, and the limiting plate is embedded into the limiting groove and matched with the limiting groove.

Optionally, the surface of the back frame cover is provided with a relief.

Optionally, the loop body includes a push-pull rod, the push-pull rod is provided with a flange, the front frame sleeve is clamped on the push-pull rod, and the flange surrounds the surface of the front frame sleeve.

Optionally, a handle is provided at the end of the push-pull rod.

The utility model discloses technical scheme is through frame cover and back frame cover before installing in the main part that connector and hookup block become, wherein is equipped with the holding chamber in the main part that connector and hookup block become, is equipped with the first chamber of accomodating in the preceding frame cover, and the chamber is accomodate to the second that is equipped with in the back frame cover, and preceding frame cover is connected with back frame cover and is installed after in the return circuit ware main part, and the first chamber of accomodating is accomodate the chamber intercommunication with holding chamber and second respectively, forms the cavity that holds optic fibre jointly, and optic fibre is packed into behind the optic fibre loop ware, and line body and lock pin are all located in the cavity, do not expose in the part of external environment, avoid optic fibre to receive external damage, and can play the tube bank effect to the line body of optic fibre, effectively prevented that.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, 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 the structures shown in the drawings without creative efforts.

Fig. 1 is an exploded schematic view of an embodiment of the optical fiber loop device of the present invention;

fig. 2 is a schematic structural diagram of a front frame sleeve of the optical fiber loop device of the present invention;

fig. 3 is a schematic structural diagram of the rear frame sleeve of the optical fiber loop device of the present invention.

The reference numbers illustrate:

the objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators (such as upper, lower, left, right, front and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicit ly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

As shown in fig. 1-3, to achieve the above object, the present invention provides an optical fiber loop device, comprising: a circuit body, wherein an accommodating cavity (not marked in the figure) is arranged in the circuit body;

the loop device main body comprises a connector 40, a connecting block 50 and a push-pull rod 10, a front frame sleeve 20 and a rear frame sleeve 30, wherein the front frame sleeve 20 comprises a first connecting end 21 and a second connecting end 22, the first connecting end 21 is connected with the loop device main body, and the second connecting end 22 is connected with the rear frame sleeve 30; the front frame sleeve 20 is internally provided with a first accommodating cavity 28, the rear frame sleeve 30 is internally provided with a second accommodating cavity 31, and the first accommodating cavity 28 is communicated with the accommodating cavity and the second accommodating cavity 31 respectively.

In this embodiment, the optical fiber loop device includes a connector 40, a connection block 50, a loop device body composed of a push-pull rod 10, a front frame 20 and a rear frame 30, wherein the front frame 20 includes a first connection end 21 and a second connection end 22, the first connection end 21 is connected to the loop device body, the second connection end 22 is connected to the rear frame 30, a first accommodation cavity 28 is disposed in the front frame 20, a second accommodation cavity 31 is disposed in the rear frame 30, the second connection end 22 is connected to the rear frame 30 and is installed behind the loop device body composed of the connector 40, the connection block 50 and the push-pull rod 10, and the first accommodation cavity 28 is respectively communicated with the accommodation cavity and the second accommodation cavity 31 to form a cavity for accommodating the optical fiber 60. After the optical fiber 60 is installed in the optical fiber loop, the wire body and the ferrule 70 are all located in the cavity, and no part is exposed to the external environment, so that the optical fiber 60 is prevented from being damaged by the outside. And the cavity walls of the first accommodating cavity 28 and the second accommodating cavity 31 play a role of tube bundle for the line body of the optical fiber 60, so that the line body of the optical fiber 60 is effectively prevented from interfering under the condition of high-density connection. In addition, the space size of the first accommodating cavity 28 and the second accommodating cavity 31 directly limits the range in which the optical fiber 60 line body can extend, the optical fiber 60 line body is completely arranged in the cavity of the optical fiber loop device, the miniaturization is more facilitated, a plurality of optical fiber loop devices can be inserted in the same space, and the optical fiber loop device is suitable for the environment of high-density splicing of the optical fibers 60.

As shown in fig. 2, a wire inlet 26 is further provided on the wall of the front frame 20, the wire inlet 26 extends from the first connection end 21 to the second connection end 22, and the wire inlet 26 communicates with the first receiving cavity 28.

The wire inlet 26 is located on the wall of the front frame 20, when the optical fiber 60 is installed in the optical fiber loop, two ends of the optical fiber 60 are respectively inserted into the insertion core 70, and are communicated to the external optical fiber 60 interface through the insertion core 70, two ends of the optical fiber 60 inserted into the insertion core 70 are inserted into the accommodating cavity, and at this time, the wire body of the optical fiber 60 is exposed outside the loop body composed of the connector 40, the connecting block 50, and the push-pull rod 10. The wire inlet 26 facilitates a user to load a wire of the optical fiber 60 into the front frame 20 from the jacket wall of the front frame 20, and prevents the wire from being bent greatly when being loaded into the front frame 20, thereby preventing a line in the optical fiber 60 from being damaged. In this embodiment, the wire inlet 26 extends from the start end of the first connection end 21 to the end of the second connection end 22, that is, the wire inlet 26 penetrates through both start and end ends of the front frame 20, so as to load the wire body of the optical fiber 60 into the first receiving cavity 28.

In one embodiment, the wire inlet 26 is curved.

The wire inlet 26 extends from the first connection end 21 to the second connection end 22 in a bending manner to prevent the optical fiber 60 from being separated from the first receiving cavity 28. After the two ends of the optical fiber 60 are inserted into the accommodating cavity of the circuit body, the wire body at the rear end is approximately in a "U" shape, but the open end of the "U" shape is smaller than the bottom end, so the extending shape of the wire inlet 26 can be in an "S" shape or a "C" shape to avoid the optical fiber 60 from being separated from the first accommodating cavity 28. It is to be understood that the shape of the extension of the wire inlet 26 is not limited to the above-listed shape as long as the optical fiber 60 can be easily put into the first receiving cavity 28 and can not be separated from the first receiving cavity 28.

Specifically, the second connecting end 22 is provided with a clamping jaw 23, the rear frame sleeve 30 is provided with a clamping position 34, and the clamping jaw 23 is buckled with the clamping position 34.

The front frame sleeve 20 and the rear frame sleeve 30 are connected in a snap-fit manner, in a specific implementation, a clamping jaw 23 is arranged on the front frame sleeve 20, the clamping jaw 23 is located at the second connecting end 22, a snap-fit position 34 is arranged on the rear frame sleeve 30, and the clamping jaw 23 can be matched with the snap-fit position 34 to form a snap-fit connection. The clamping position 34 is a through hole and is located on the sleeve wall of the rear frame sleeve 30, a certain distance is reserved between the end part of the front frame sleeve 20 abutted to the rear frame sleeve 30 and the clamping position 34, the jaw 23 extends towards the main body of the front frame sleeve 20, the extending distance is equal to the distance between the clamping position 34 and the end part, the jaw 23 is inserted into the second accommodating cavity 31 of the rear frame sleeve 30 and slides towards the bottom of the rear second accommodating cavity 31, the clamping position 34 is located on the sliding path of the jaw 23, and when the jaw 23 meets the clamping position 34, the jaw 23 sinks into the clamping position 34 to form a clamping connection, so that the convenience of operation is realized.

In one embodiment, the first receiving cavity 28 gradually widens from the first connection end 21 to the second connection end 22.

Since the rear wire of the optical fiber 60 is substantially U-shaped after the two ends of the optical fiber 60 are inserted into the receiving cavities, but the open end of the U-shape is smaller than the bottom end, the first receiving cavity 28 gradually widens from the first connecting end 21 to the second connecting end 22, and the shape of the wire is in smooth transition, so that the front frame sleeve 20 and the rear frame sleeve 30 can conform to the natural shape change of the wire bundle of the optical fiber 60 to prevent the optical fiber 60 from being damaged in repeated use.

The first connection end 21 is cylindrical, and the cylindrical shape gradually increases after extending to a certain length to the second connection end 22.

In an embodiment, the second connecting end 22 is further provided with a positioning hole 24, the rear frame sleeve 30 is provided with a positioning post 33, and the positioning post 33 is embedded in the positioning hole 24 to be matched with each other.

The positioning hole 24 is disposed on the end surface of the second connecting end 22, the positioning post 33 is disposed on the end surface of the rear frame sleeve 30 connected to the front frame sleeve 20 and corresponds to the positioning hole 24, and after the front frame sleeve 20 is connected to the rear frame sleeve 30, the positioning post 33 is embedded in the positioning hole 24, so that the connection stability is ensured, and the phenomena of left-right movement or reverse connection and the like are avoided. In the preferred embodiment, three positioning holes 24 are formed on the front frame 20, and three positioning posts 33 are formed on the rear frame 30, so as to achieve a good positioning effect.

Optionally, a limiting plate 25 is further disposed on the second connecting end 22, a limiting groove 32 is disposed on the back frame sleeve 30, and the limiting plate 25 is embedded in the limiting groove 32 and is matched with the limiting groove.

The limiting plate 25 is arranged on the end face of the second connecting end 22, the limiting groove 32 is arranged on the end face of the rear frame sleeve 30 connected with the front frame sleeve 20, and after the front frame sleeve 20 is connected with the rear frame sleeve 30, the limiting groove 32 is matched with the limiting plate 25. The limiting plate 25 can limit the front frame sleeve 20 and the rear frame sleeve 30 to turn over up and down after being connected, so that the front frame sleeve and the rear frame sleeve are connected more tightly. In an embodiment, the positioning column 33 is disposed on the position-limiting plate 25, and correspondingly, the positioning groove 36 is disposed in the position-limiting groove 32, and the positioning groove 36 and the positioning column 33 cooperate with each other to further ensure the connection stability of the front frame sleeve 20 and the rear frame sleeve 30.

Further, the surface of the rear frame 30 is provided with a relief 35.

The raised pattern 35 may be formed on the rear frame 30 at a portion for easy grip, such as the surface of the wall of the rear frame 30 or both sides of the rear frame 30, to increase the friction force for grip.

Specifically, the loop body comprises a push-pull rod 10, a flange 12 is arranged on the push-pull rod 10, the front frame sleeve 20 is clamped on the push-pull rod 10, and the flange 12 surrounds the surface of the front frame sleeve 20; the end of the push-pull rod 10 is provided with a handle 11.

The two flanges 12 are oppositely arranged on the side surface of the push-pull rod 10, the two flanges 12 extend oppositely to limit the front frame sleeve 20, the front frame sleeve 20 is arranged behind the push-pull rod 10, the two flanges 12 surround the cylindrical column body of the first connecting end 21 to prevent the front frame sleeve 20 from being separated from the push-pull rod 10, the front frame sleeve 20 is ensured to be well butted with the main body of the loop device, and one surface of the push-pull rod 10 facing the flanges 12 is sunken downwards to be jointed with the front frame sleeve 20 and the rear frame sleeve 30. The push-pull rod 10 has a handle 11 at its end to facilitate the installation of the front frame 20 and the rear frame 30.

The cylindrical column of the first connection end 21 is provided with a recessed area 27, the recessed area 27 corresponds to the position of the flange 12 to cooperate with the flange 12 to form a surround for the first connection end 21, so as to prevent the push-pull rod 10 from separating from the front frame 20 and ensure that the front frame 20 and the push-pull rod 10 form a good butt joint. The flanges 12 can be made of elastic materials, and at this time, the front frame sleeve 20 can enter the enclosure of the two flanges 12 from the upper side of the two flanges 12 in a pressing manner and abut against the two flanges 12; the flange 12 may be formed of an inelastic material, in which case the front frame 20 is mounted from the direction of extension of the push-pull rod 10.

In addition, the connector 40 is configured to accommodate the ferrule 70, a ferrule mounting hole (not labeled in the figure) is formed in the connector 40, the ferrule 70 is inserted into the ferrule mounting hole, and a portion of the ferrule 70, which is used for connecting an external optical fiber interface, penetrates through the ferrule mounting hole, and meanwhile, a spring (not labeled in the figure) is disposed in the ferrule mounting hole, and when the ferrule 70 is inserted into the external optical fiber interface, the spring generates an outward elastic force on the ferrule 70, so that the ferrule 70 is firmly inserted into the external optical fiber interface. In this embodiment, the connector 40 is mounted on the push-pull rod 10 and located at an end away from the rear frame 30, the connector 40 is connected to the first connection end 21 of the front frame 20, and the optical fiber cable is received in the first receiving cavity 28 and the second receiving cavity 31. In another embodiment, a connection block 50 is further connected between the connection head 40 and the first connection end 21 of the front frame 20, and a connection cavity (not labeled) is formed in the connection block 50 and communicates the ferrule installation hole with the first receiving cavity 28. A mounting groove (not shown) is formed on a side of the connecting head 40 facing the push-pull rod 10, and the push-pull rod 10 is inserted into the mounting groove to prevent the connecting head 40 from being separated from the push-pull rod 10.

Be equipped with the radiating groove 29 on preceding frame cover 20, radiating groove 29 is used for the injection molding heat dissipation in the course of working, and in this embodiment, radiating groove 29 is located the second link 22 of preceding frame cover 20, and has all seted up radiating groove 29 on upper and lower two surfaces in order to reach good radiating effect, and simultaneously, the plastic material also can be saved in seting up of radiating groove 29, reaches the effect of practicing thrift the cost.

The above is only the optional embodiment of the present invention, and not therefore the limit to the patent scope of the present invention, all the concepts of the present invention utilize the equivalent structure transformation of the content of the specification and the attached drawings, or the direct/indirect application in other related technical fields is included in the patent protection scope of the present invention.

Claims

1. An optical fiber circuit circulator, comprising:

the loop device comprises a loop device main body, wherein an accommodating cavity is arranged in the loop device main body;

the front frame sleeve comprises a first connecting end and a second connecting end, the first connecting end is connected with the loop device main body, and the second connecting end is connected with the rear frame sleeve;

the front frame sleeve is internally provided with a first accommodating cavity, the rear frame sleeve is internally provided with a second accommodating cavity, and the first accommodating cavity is communicated with the accommodating cavity and the second accommodating cavity respectively.

2. The optical fiber loop device according to claim 1, wherein a wire inlet is further provided on the wall of the front frame sleeve, the wire inlet extends from the first connecting end to the second connecting end, and the wire inlet is communicated with the first receiving cavity.

3. The optical fiber loop device according to claim 2, wherein the wire inlet is curved.

4. The optical fiber loop device according to claim 1, wherein a clamping jaw is arranged on the second connecting end, a clamping position is arranged on the rear frame sleeve, and the clamping jaw is buckled with the clamping position.

5. The fiber optic circuit loop of claim 1, wherein the first receiving cavity gradually widens from the first connection end to the second connection end.

6. The optical fiber loop device according to claim 1, wherein the second connecting end is further provided with a positioning hole, and the rear frame sleeve is provided with a positioning column, and the positioning column is embedded in the positioning hole and matched with the positioning column.

7. The optical fiber loop device according to claim 1, wherein a limiting plate is further arranged on the second connecting end, a limiting groove is arranged on the rear frame sleeve, and the limiting plate is embedded in the limiting groove and matched with the limiting groove.

8. The fiber optic circuit splitter of claim 1, wherein the surface of the back frame jacket is provided with a relief.

9. The optical fiber circuit breaker according to claim 1, wherein the circuit breaker body comprises a push-pull rod, the push-pull rod is provided with a flange, the front frame sleeve is clamped on the push-pull rod, and the flange surrounds the surface of the front frame sleeve.

10. The optical fiber circuit breaker according to claim 9, wherein a handle is provided at a distal end of the push-pull rod.