CN213122387U

CN213122387U - Small-core-diameter optical fiber for indoor optical cable

Info

Publication number: CN213122387U
Application number: CN202021871854.4U
Authority: CN
Inventors: 刘明; 张青
Original assignee: Jiangsu Guhe Photoelectric Technology Co ltd
Current assignee: Jiangsu Guhe Photoelectric Technology Co ltd
Priority date: 2020-08-27
Filing date: 2020-08-27
Publication date: 2021-05-04
Anticipated expiration: 2030-08-27

Abstract

The utility model discloses a small core diameter optical fiber for indoor optical cable, which belongs to the technical field of optical fiber accessories and comprises an optical fiber body, wherein a protective shell is sleeved outside the optical fiber body, one end of the optical fiber body is provided with a connector, a fixed block is sleeved at the connecting and fixing part of the connector and the optical fiber body, one side of the fixed block, which is positioned close to the connector, is provided with an external thread, one side of the outer surface of the connector, which is positioned close to the connector, is provided with an external thread, the rotating block is provided with a round hole, the inside of the round hole is fixedly connected with a connecting wire, the other end of the connecting wire is fixedly connected with a protection mechanism, the protection mechanism comprises a protective cap, the bottom inside of the protective cap is fixedly connected with a spring, a rubber piston is arranged above the spring, a nut is arranged above, can protect the connector, increase of service life goes on.

Description

Small-core-diameter optical fiber for indoor optical cable

Technical Field

The utility model relates to an optical fiber accessory technical field, more specifically say, relate to an indoor optical cable is with little core footpath optic fibre.

Background

The optical fiber is a short-hand writing of an optical fiber, and is a fiber made of glass or plastic, which can be used as a light conducting tool, a thin optical fiber is packaged in a plastic sheath, generally, a Light Emitting Diode (LED) or a laser beam is used as a transmitting device at one end of the optical fiber to transmit light pulses to the optical fiber, and a light sensitive element is used as a receiving device at the other end of the optical fiber to detect the pulses. In daily life, optical fibers are used for long distance information transmission because the loss of light transmitted through optical fibers is much lower than the loss of electricity transmitted through electric wires.

The optical fiber may be broken and crushed frequently during the use process, so that the optical fiber needs to be replaced, which is time-consuming and labor-consuming.

One end of the optical fiber is generally provided with a connector which is connected with an optical fiber plug, and after one end of the optical fiber is connected with the plug, dust easily enters the plug from a gap between the connector and the plug in daily life, so that the connector is damaged, and the service life of the connector is shortened.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

To the problem that exists among the prior art, the utility model aims to provide an indoor optical cable is with little core footpath optic fibre, its simple structure, convenient operation prevents that optic fibre from pressing disconnected rupture, can protect the connector, and increase of service life goes on.

2. Technical scheme

In order to solve the above problem, the utility model adopts the following technical scheme:

a small-core-diameter optical fiber for an indoor optical cable comprises an optical fiber body, wherein a protective shell is sleeved outside the optical fiber body, one end of the optical fiber body is provided with a connector, a fixed block is sleeved at the connecting and fixing position of the connector and the optical fiber body, one side of the fixed block, which is close to the connector, is provided with a rotating block, the rotating block is movably sleeved on the connector, the outer surface of the connector is provided with external threads at one side of the rotating block, the rotating block is provided with a round hole, a connecting wire is fixedly connected inside the round hole, and the other end of the connecting wire is fixedly connected with a protective mechanism;

protection mechanism includes the protective cap, the inside bottom fixedly connected with spring of protective cap, the top of spring is provided with rubber piston, rubber piston's top is provided with the nut, the nut is fixed to be set up on the outer port of protective cap, the inside of nut is provided with the internal thread, open the venthole that has a plurality of evenly distributed in the bottom of protective cap, the utility model discloses simple structure, convenient operation prevents that optic fibre from pressing absolutely the rupture, can protect the connector, and increase of service life goes on.

As an optimized proposal of the utility model, the protective shell is an annular sleeve and is arranged on the optical fiber body.

As a preferred scheme of the utility model, the diameter of external screw thread is greater than the internal diameter of turning block, the external screw thread is used for carrying out spacing rotation setting to the turning block.

As a preferred scheme of the utility model, the internal thread in external screw thread on the connector and the nut matches each other, accessible external screw thread and internal thread threaded connection between connector and the nut.

As an optimized scheme of the utility model, the size of rubber piston sets up with the inside diameter of protective cap is corresponding.

As an optimized scheme of the utility model, the last spacing and rubber piston fixed connection of spring, the bottom fixed connection of the lower spacing protective cap of spring.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) when the small-core optical fiber for the indoor optical cable is used, the protection effect on the optical fiber body is achieved through the arranged protection shell, so that the optical fiber body cannot be broken when in use, and the like, and the small-core optical fiber is used for protecting the whole surface of the optical fiber body;

(2) can let protection mechanism pass through threaded connection on the connector through the internal thread that sets up and external screw thread, the connector can extrude rubber piston when carrying out threaded connection, and rubber piston can compress the air in the protective cap, then discharges the air through the venthole, makes the connector be in the vacuum state, can not receive the interference of oxidation and dust, and life obtains improving.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the protection mechanism of the present invention;

fig. 3 is a schematic side view of the present invention.

The reference numbers in the figures illustrate:

1. an optical fiber body; 2. a protective shell; 3. a connector; 4. a fixed block; 5. rotating the block; 6. an external thread; 7. a circular hole; 8. a connecting wire; 9. a protection mechanism; 901. a protective cap; 902. a spring; 903. a rubber piston; 904. a nut; 905. an internal thread; 906. and an air outlet.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", 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 referred to 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", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, 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.

Example (b):

referring to fig. 1-3, a small core diameter optical fiber for an indoor optical cable comprises an optical fiber body 1, a protective shell 2 is sleeved outside the optical fiber body 1, a connector 3 is arranged at one end of the optical fiber body 1, a fixed block 4 is sleeved at the connection fixing position of the connector 3 and the optical fiber body 1, the fixed block 4 is arranged at one side close to the connector 3 and is provided with a rotating block 5, the rotating block 5 is movably sleeved on the connector 3, external threads 6 are arranged at one side of the outer surface of the connector 3, which is located at the rotating block 5, a round hole 7 is formed in the rotating block 5, a connecting wire 8 is fixedly connected inside the round hole 7, and a protective mechanism 9 is fixedly connected;

the protection mechanism 9 comprises a protection cap 901, a spring 902 is fixedly connected to the bottom end inside the protection cap 901, a rubber piston 903 is arranged above the spring 902, a nut 904 is arranged above the rubber piston 903, the nut 904 is fixedly arranged on an outer port of the protection cap 901, internal threads 905 are arranged inside the nut 904, and a plurality of air outlet holes 906 which are uniformly distributed are formed in the bottom of the protection cap 901.

In the embodiment of the utility model, the protective shell 2 plays a role in protecting the optical fiber body 1, so that the optical fiber body 1 cannot be broken when in use, and is used for protecting the whole surface of the optical fiber body 1, the connector 3 plays a role in externally connecting the optical fiber body 1, the fixed block 4 plays a role in fixing the optical fiber body 1 at the joint of the connector 3, and simultaneously, the protective shell 2 is limited, so that the protective shell 2 cannot be separated from the optical fiber body 1, the rotating block 5 plays a role in supporting the connecting wire 8, the rotating block 5 can rotate on the connector 3 to drive the connecting wire 8 to rotate, so that when the protective cap 901 is in threaded connection with the connector 3, the connecting wire 8 cannot be wound, and the round hole 7 is used for fixing the connecting wire 8 on the rotating block 5;

the protection mechanism 9 is used for protecting the connector 3 from interference of dust, the connector 3 is protected, the spring 902 plays a role of applying elastic force to the rubber piston 903, the nut 904 plays a role of enabling the protection mechanism 9 to be in threaded connection with the connector 3 through the internal threads 905, meanwhile, the nut 904 can limit the rubber piston 903, the rubber piston 903 cannot slide out of the protective cap 901, the rubber piston 903 can compress air in the protective cap 901, then the air is discharged through the air outlet 906, the connector 3 is in a vacuum state, the interference of oxidation and dust cannot be caused, and the service life is prolonged.

Specifically, referring to fig. 1, the protective shell 2 is annularly sleeved on the optical fiber body 1.

In this embodiment: the protective shell 2 is annularly sleeved on the optical fiber body 1 and can protect the optical fiber body 1 in all directions, and meanwhile, the optical fiber body 1 is not prone to bending and breaking and is not prone to being broken by extrusion.

Specifically, referring to fig. 1, the diameter of the external thread 6 is larger than the inner diameter of the rotating block 5, and the external thread 6 is used for limiting the rotation of the rotating block 5.

In this embodiment: the external thread 6 is used for connecting the connector 3 with the protection mechanism 9, and can rotate the rotating block 5 through the fixing block 4 and the external thread 6.

Specifically, referring to fig. 1, the external thread 6 on the connector 3 is matched with the internal thread 905 in the nut 904, and the connector 3 and the nut 904 can be connected by the external thread 6 and the internal thread 905.

In this embodiment: the protection means 9 can be screwed to the connection head 3 by means of the external thread 6 and the internal thread 905.

Specifically, referring to fig. 2, the rubber piston 903 is sized to correspond to the inner diameter of the protective cap 901.

In this embodiment: the rubber piston 903 is used to compress air in the protective cap 901, so the connection between the rubber piston 903 and the protective cap 901 is sealed.

Specifically, referring to fig. 2, the upper limit of the spring 902 is fixedly connected to the rubber piston 903, and the bottom of the lower limit protective cap 901 of the spring 902 is fixedly connected.

In this embodiment: the upper limit and the lower limit of the spring 902 are fixedly connected, so that the spring 902 cannot deviate in the elastic pressing process.

The utility model discloses a theory of operation and use flow: this little core diameter optic fibre for indoor optical cable is when using, play the guard action to optic fibre body 1 through the protecting crust 2 that sets up, make optic fibre body 1 can not be pressed the rupture when using, be used for protecting optic fibre body 1's whole surface, internal thread 905 and external screw thread 6 through setting up can let protection machanism 9 pass through threaded connection on connector 3, connector 3 can extrude rubber piston 903 when carrying out threaded connection, rubber piston 903 can compress the air in protective cap 901, then discharge the air through venthole 906, make connector 3 be in the vacuum state, can not receive the interference of oxidation and dust, life obtains improving, the utility model discloses simple structure, convenient operation prevents that optic fibre from pressing the rupture, can protect connector 3, and increase of service life goes on.

The above description is only the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art can substitute or change the technical solution and the improvement concept of the present invention within the technical scope disclosed in the present invention.

Claims

1. The utility model provides an indoor optical cable is with little core footpath optic fibre, includes optic fibre body (1), its characterized in that: the optical fiber protection device is characterized in that a protective shell (2) is sleeved outside the optical fiber body (1), one end of the optical fiber body (1) is provided with a connector (3), a fixed block (4) is sleeved at the joint fixing position of the connector (3) and the optical fiber body (1), one side, close to the connector (3), of the fixed block (4) is provided with a rotating block (5), the rotating block (5) is movably sleeved on the connector (3), external threads (6) are arranged on one side, located on the rotating block (5), of the outer surface of the connector (3), a round hole (7) is formed in the rotating block (5), a connecting wire (8) is fixedly connected inside the round hole (7), and the other end of the connecting wire (8) is fixedly connected with a protection mechanism (9;

the protection mechanism (9) comprises a protection cap (901), a spring (902) is fixedly connected to the bottom end inside the protection cap (901), a rubber piston (903) is arranged above the spring (902), a nut (904) is arranged above the rubber piston (903), the nut (904) is fixedly arranged on an outer port of the protection cap (901), internal threads (905) are arranged inside the nut (904), and a plurality of air outlet holes (906) which are uniformly distributed are formed in the bottom of the protection cap (901).

2. The small core diameter optical fiber for an indoor optical cable according to claim 1, wherein: the protective shell (2) is annularly sleeved on the optical fiber body (1).

3. The small core diameter optical fiber for an indoor optical cable according to claim 1, wherein: the diameter of the external thread (6) is larger than the inner diameter of the rotating block (5), and the external thread (6) is used for limiting and rotating the rotating block (5).

4. The small core diameter optical fiber for an indoor optical cable according to claim 1, wherein: external screw thread (6) on connector (3) and internal thread (905) in nut (904) match each other, accessible external screw thread (6) and internal thread (905) threaded connection between connector (3) and nut (904).

5. The small core diameter optical fiber for an indoor optical cable according to claim 1, wherein: the size of the rubber piston (903) corresponds to the inner diameter of the protective cap (901).

6. The small core diameter optical fiber for an indoor optical cable according to claim 4, wherein: the upper limit of the spring (902) is fixedly connected with the rubber piston (903), and the bottom of the lower limit protective cap (901) of the spring (902) is fixedly connected.