CN210323513U

CN210323513U - Butterfly-shaped leading-in optical cable with prefabricated end

Info

Publication number: CN210323513U
Application number: CN201921684467.7U
Authority: CN
Inventors: 张春霞; 崔建军
Original assignee: Jiangsu Shangcheng Cable Co ltd
Current assignee: Jiangsu Shangcheng Cable Co ltd
Priority date: 2019-09-27
Filing date: 2019-09-27
Publication date: 2020-04-14
Anticipated expiration: 2029-09-27

Abstract

The utility model discloses a butterfly-shaped lead-in optical cable with prefabricated ends, which relates to the technical field of optical fiber communication, and comprises a connecting block, wherein one end of the connecting block is connected with an optical fiber, the connecting block is connected with three optical cable bodies relative to one end of the optical fiber, two grooves are symmetrically arranged at the top of the front surface wall of the connecting block, a cavity groove communicated with the grooves is arranged in the connecting block near the grooves, a volute spiral spring is fixed in the cavity groove through a fixed shaft, the free end of the volute spiral spring is connected with an elastic rope, one end of the elastic rope relative to the volute spiral spring is connected with a clamping plate, the utility model can realize the rolling and fixing of the optical cable through the arrangement of an iron block, a magnetic plate, the volute spiral spring and the elastic rope, and avoid the optical cable from being long and wound when being carried, so that the optical cable, the portability of the optical cable is effectively improved, and meanwhile, the optical cable is convenient to connect.

Description

Butterfly-shaped leading-in optical cable with prefabricated end

Technical Field

The utility model belongs to the technical field of fiber communication, concretely relates to butterfly-shaped introducing optical cable who prefabricates into end.

Background

With the vigorous popularization of FTTH, the butterfly-shaped leading-in optical cable with prefabricated ends is widely applied, and is particularly frequently distributed in products such as a fiber distribution box, a wall-mounted optical branching box and the like. In the broadcast television network and part of the telecommunication network, the bureau often directly fuses the butterfly-shaped drop cable which is prefabricated into the end with other drop cables.

However, butterfly-shaped drop cables prefabricated into ends in the market still have certain defects in the use process, for example, when the butterfly-shaped drop cables are carried, the optical cables are long and easy to be wound, the optical cables are inconvenient to carry, and the optical cables are inconvenient to connect, and in addition, the optical cables are easy to be pulled in the use process, so that the connection between the optical cables and the fiber distribution box is bent, the connection is easy to be bent excessively and broken, and the service life of the optical cables is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a butterfly-shaped introducing optical cable of prefabricating into end to solve the long easy winding that takes place of the optical cable that proposes in the above-mentioned background art, the carrying of the optical cable of being not convenient for, and the connection of the optical cable of being not convenient for, the optical cable receives easily in addition and draws and drag, leads to its junction to buckle excessively and cracked problem easily.

In order to achieve the above object, the utility model provides a following technical scheme: a butterfly-shaped leading-in optical cable with prefabricated ends comprises a connecting block, wherein one end of the connecting block is connected with an optical fiber, one end of the connecting block, opposite to the optical fiber, is connected with three optical cable bodies, the top of the front surface wall of the connecting block is symmetrically provided with two grooves, the inner part of the connecting block, close to the grooves, is provided with a cavity groove communicated with the grooves, the cavity groove is internally fixed with a volute spring through a fixed shaft, the free end of the volute spring is connected with an elastic rope, one end of the elastic rope, opposite to the volute spring, is connected with a clamping plate, the clamping plate is positioned in the grooves, one side of the clamping plate, opposite to the elastic rope, is provided with an iron block, the bottom of the front surface wall of the connecting block is symmetrically provided with clamping plate grooves corresponding to the two grooves one by one, the clamping plate grooves are matched with the clamping plate, the inner wall of each, and the magnetic plate is magnetically connected with the iron block.

Preferably, a second sleeve is embedded in one end of the connecting block, the second sleeve is sleeved on the outer portion of the optical fiber, meanwhile, first sleeves corresponding to the three optical cable bodies are embedded in one end of the connecting block relative to the second sleeve, and the three first sleeves are respectively sleeved on the outer portions of the corresponding optical cable bodies.

Preferably, the inside symmetry of second sleeve is provided with two arc boards with the optic fibre clamping, and two arc board one side that back on the back mutually all the symmetry be fixed with two springs, four the spring all is connected with the telescopic inner wall of second for the one end of arc board, simultaneously first telescopic structure is the same with the telescopic structure of second to carry out the clamping with the optical cable body.

Preferably, rubber pads are bonded to the opposite sides of the two arc plates, and the two rubber pads are attached to the outer wall of the optical fiber.

Preferably, two limiting rods are symmetrically fixed on one side of the clamping plate and located on two sides of the iron block, the two limiting rods are cylindrical, the end portions of the two limiting rods are smooth, and meanwhile, limiting grooves corresponding to the two limiting rods in a one-to-one mode are symmetrically formed in the inner wall of the clamping plate groove and located on two sides of the magnetic plate groove.

Compared with the prior art, the beneficial effects of the utility model are that:

(1) the utility model discloses a setting of iron plate, magnetic sheet, spiral spring and stretch cord can realize carrying out the rolling to the optical cable fixed, avoids the optical cable long and take place the winding when carrying for optical cable portable more, the effectual portability that has improved the optical cable, the connection of the optical cable of being convenient for simultaneously.

(2) The utility model discloses a setting of first sleeve, second sleeve, arc board and spring receives to drag when dragging at the optical cable, can cushion the optical cable, avoids the optical cable and excessively buckles and breaks off with the junction of connecting block, and the optical cable of being convenient for normally works, is favorable to prolonging the life of optical cable.

Drawings

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

fig. 2 is a side sectional view of the connecting block of the present invention;

fig. 3 is a side view of a second sleeve of the present invention;

fig. 4 is a side view of a first sleeve of the present invention;

FIG. 5 is an enlarged view taken at A in FIG. 1;

FIG. 6 is an enlarged view of FIG. 1 at B;

FIG. 7 is an enlarged view at C in FIG. 2;

FIG. 8 is an enlarged view of FIG. 2 at D;

in the figure: 1-connecting blocks; 2-a first sleeve; 3-an optical cable body; 4-a second sleeve; 5-an optical fiber; 6-a spring; 7-arc plate; 8-rubber pad; 9-a groove; 10-iron block; 11-a clamping plate; 12-a limiting rod; 13-a magnet plate slot; 14-a magnetic plate; 15-a card slot; 16-a limiting groove; 17-cavity groove; 18-a volute spiral spring; 19-elastic cord.

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 work belong to the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a technical solution: a butterfly-shaped leading-in optical cable with prefabricated ends comprises a connecting block 1, wherein one end of the connecting block 1 is connected with an optical fiber 5, one end of the connecting block 1, opposite to the optical fiber 5, is connected with three optical cable bodies 3, the top of the front surface wall of the connecting block 1 is symmetrically provided with two grooves 9, a cavity groove 17 communicated with the grooves 9 is formed in the position, close to the grooves 9, of the inside of the connecting block 1, a volute spring 18 is fixed in the cavity groove 17 through a fixed shaft, the free end of the volute spring 18 is connected with an elastic rope 19, one end, opposite to the volute spring 18, of the elastic rope 19 is connected with a clamping plate 11, the clamping plate 11 is positioned in the grooves 9, an iron block 10 is installed on one side, opposite to the elastic rope 19, of the clamping plate 11 is symmetrically provided with clamping plate grooves 15 corresponding to the two grooves 9 one by one, the clamping plate grooves 15 are matched with the clamping plate 11, magnetic plate grooves 13, meanwhile, the magnetic plate 14 is arranged inside the magnetic plate groove 13, the magnetic plate 14 is connected with the iron block 10 through magnetism, when the optical cable is carried, a user can wind the optical cable body 3 and the optical fiber 5 firstly, the clamping plate 11 is pulled out from the groove 9, the elastic rope 19 is pulled out under the action of the volute spiral spring 18, the clamping plate 11 is clamped into the clamping plate groove 15, the magnetic plate 14 adsorbs the iron block 10 at the moment, the clamping plate 11 is fixed in the clamping plate groove 15, the wound optical cable body 3 and the wound optical fiber 5 are bound and fixed through the elastic rope 19, the optical cable body 3 and the wound optical fiber 5 are wound, the optical cable body 3 and the optical fiber 5 are prevented from being long and wound when being carried, the optical cable body 3 and the optical fiber 5 are more convenient to carry, and the portability of the optical cable is effectively improved.

Furthermore, a second sleeve 4 is embedded at one end of the connecting block 1, the second sleeve 4 is sleeved outside the optical fiber 5, a first sleeve 2 corresponding to the three optical cable bodies 3 is embedded at one end of the connecting block 1 opposite to the second sleeve 4, the three first sleeves 2 are respectively sleeved outside the optical cable bodies 3 corresponding to the three first sleeves, two arc plates 7 for clamping the optical fiber 5 are symmetrically arranged inside the second sleeve 4, two springs 6 are symmetrically fixed at the opposite sides of the two arc plates 7, one ends of the four springs 6 opposite to the arc plates 7 are connected with the inner wall of the second sleeve 4, the structure of the first sleeve 2 is the same as that of the second sleeve 4, so as to clamp the optical cable bodies 3, and when the optical cable bodies 3 and the optical fiber 5 are pulled in the using process, the outer walls of the optical cable bodies 3 and the optical fiber 5 are respectively extruded with the arc plates 7 inside the first sleeve 2 and the second sleeve 4, and make arc 7 shrink under the effect of spring 6 to this realization cushions cable body 3 and optic fibre 5, avoids cable body 3 and optic fibre 5 and connecting block 1's junction excessively to buckle and take place the fracture, and the cable body 3 and the normal work of optic fibre 5 of being convenient for is favorable to prolonging cable body 3 and the life of optic fibre 5.

It is worth to say that rubber pads 8 are bonded to opposite sides of the two arc plates 7, and the two rubber pads 8 are attached to the outer wall of the optical fiber 5, so that hard contact between the arc plates 7 and the optical fiber 5 is avoided, abrasion of the outer wall of the optical fiber 5 is reduced, and the service life of the optical fiber 5 is prolonged.

Further, cardboard 11 one side and the bilateral symmetry that is located iron plate 10 are fixed with two gag lever post 12, two gag lever post 12 are tip slick and sly cylindricly, the inner wall of cardboard groove 15 and the bilateral symmetry that is located magnetic plate groove 13 simultaneously offer the spacing groove 16 with two gag lever post 12 one-to-ones, when cardboard 11 card advances cardboard groove 15 inside, two gag lever posts 12 inject spacing groove 16, can be spacing to cardboard 11, avoid cardboard 11 to remove, the cardboard 11 of further being convenient for is fixed in the inside in cardboard groove 15 under magnetic effect through magnetic sheet 14 and iron plate 10, stability when cardboard 11 is fixed has been improved.

The utility model discloses a theory of operation and use flow: when the utility model is used, a user can connect the optical fiber 5 with a transmission line and then connect the optical cable body 3 with communication equipment, so as to realize the connection of a communication network, so that the user can communicate based on the network, when the optical cable body 3 and the optical fiber 5 are pulled in the using process, the outer walls of the optical cable body 3 and the optical fiber 5 are respectively extruded with the arc plates 7 inside the first sleeve 2 and the second sleeve 4, and the arc plates 7 are contracted under the action of the springs 6 so as to buffer the optical cable body 3 and the optical fiber 5, so as to avoid the fracture of the connection part of the optical cable body 3 and the optical fiber 5 and the connecting block 1 caused by excessive bending, so that the optical cable body 3 and the optical fiber 5 can normally work, which is beneficial to prolonging the service life of the optical cable body 3 and the optical fiber 5, in addition, when the optical cable is carried, the user can firstly wind the optical fiber 5 and pull out the clamping plate 11 from the groove 9, the elastic rope 19 is pulled out, then the clamping plate 11 is clamped into the clamping plate groove 15, at the moment, the magnetic plate 14 adsorbs the iron block 10, so that the clamping plate 11 is fixed in the clamping plate groove 15, and then the coiled optical fiber 5 is bound and fixed through the elastic rope 19, similarly, a user winds the optical cable body 3, then pulls out the other clamping plate 11 from the groove 9, so that the elastic rope 19 is pulled out under the action of the volute spiral spring 18, then the clamping plate 11 is clamped into the clamping plate groove 15, at the moment, the magnetic plate 14 adsorbs the iron block 10, so that the clamping plate 11 is fixed in the clamping plate groove 15, and then the coiled optical cable body 3 is bound and fixed through the elastic rope 19, so that the optical cable body 3 and the optical fiber 5 are rolled, the phenomenon that the optical cable body 3 and the optical fiber 5 are wound due to redundancy during carrying is avoided, the optical cable body 3 and the optical fiber 5 are more convenient to carry, and the portability of the optical cable is effectively improved, when the magnetic chuck is used, the chuck plate 11 is only required to be pulled out of the chuck plate groove 15, so that the magnetic plate 14 is separated from the iron block 10, the elastic rope 19 is automatically wound into the cavity groove 17 under the action of the spiral spring 18, and the chuck plate 11 is then accommodated into the groove 9, so that the magnetic chuck is simple and convenient to operate and convenient to use.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a butterfly-shaped introducing optical cable who prefabricates into end, includes connecting block (1), the one end of connecting block (1) is connected with optic fibre (5), and connecting block (1) is connected with three optical cable body (3) for the one end of optic fibre (5), its characterized in that: the top of the front surface wall of the connecting block (1) is symmetrically provided with two grooves (9), the inner part of the connecting block (1) close to the grooves (9) is provided with a cavity groove (17) communicated with the grooves (9), a volute spring (18) is fixed inside the cavity groove (17) through a fixed shaft, the free end of the volute spring (18) is connected with an elastic rope (19), one end of the elastic rope (19) opposite to the volute spring (18) is connected with a clamping plate (11), the clamping plate (11) is positioned inside the grooves (9), one side of the clamping plate (11) opposite to the elastic rope (19) is provided with an iron block (10), the bottom of the front surface wall of the connecting block (1) is symmetrically provided with clamping plate grooves (15) corresponding to the two grooves (9), the clamping plate grooves (15) are matched with the clamping plate (11), the inner wall of the clamping plate grooves (15) is provided with magnetic plate grooves (13) matched with the iron block (10), meanwhile, a magnetic plate (14) is arranged inside the magnetic plate groove (13), and the magnetic plate (14) is magnetically connected with the iron block (10).

2. A pre-terminated butterfly drop cable as claimed in claim 1, wherein: the one end of connecting block (1) is inlayed and is equipped with second sleeve (4), and second sleeve (4) cover locates the outside of optic fibre (5), simultaneously connecting block (1) inlays for the one end of second sleeve (4) and is equipped with first sleeve (2) corresponding with three optical cable body (3), and three first sleeve (2) overlap respectively and locate the outside rather than corresponding optical cable body (3).

3. A pre-terminated butterfly drop cable as claimed in claim 2, wherein: the inside symmetry of second sleeve (4) is provided with two arc boards (7) with optic fibre (5) clamping, and two arc boards (7) one side of the back of the body all the symmetry of carrying on the back is fixed with two springs (6), four spring (6) all are connected with the inner wall of second sleeve (4) for the one end of arc board (7), simultaneously the structure of first sleeve (2) is the same with the structure of second sleeve (4) to carry out the clamping with optical cable body (3).

4. A pre-terminated butterfly drop cable as claimed in claim 3, wherein: two arc board (7) one side in opposite directions all bonds and has rubber pad (8), and two rubber pads (8) all laminate mutually with the outer wall of optic fibre (5).

5. A pre-terminated butterfly drop cable as claimed in claim 1, wherein: two limiting rods (12) are symmetrically fixed on one side of the clamping plate (11) and located on two sides of the iron block (10), the two limiting rods (12) are cylindrical, the end portions of the two limiting rods are smooth, and meanwhile, limiting grooves (16) which correspond to the two limiting rods (12) one to one are symmetrically formed in the two sides of the inner wall of the clamping plate groove (15) and located on the magnetic plate groove (13).