CN210924033U

CN210924033U - Optical fiber locking device for optical fiber coupling

Info

Publication number: CN210924033U
Application number: CN201922410474.4U
Authority: CN
Inventors: 向雷
Original assignee: Sichuan Sun Earth Communication Technology Co ltd
Current assignee: Sichuan Sun Earth Communication Technology Co ltd
Priority date: 2019-12-28
Filing date: 2019-12-28
Publication date: 2020-07-03
Anticipated expiration: 2029-12-28

Abstract

The utility model discloses an optic fibre locking device for optical fiber coupling, first layering and second layering through setting up can fix optic fibre completely, it is more stable to connect, make the optical fiber connection position be difficult for receiving the disturbance, signal transmission is stable, flexible pressing block on the second layering sets up the optic fibre atress that a plurality of groups can disperse in it, lock optic fibre when avoiding optic fibre pressurized damage, when needing to be changed and dismantle, twist off the connector and can make first layering and second layering loosen, it is more convenient during the change maintenance.

Description

Optical fiber locking device for optical fiber coupling

Technical Field

The utility model relates to an optical fiber coupling technical field especially relates to an optical fiber locking device for optical fiber coupling.

Background

The optical passive device is a generic term of an optical functional device without optical energy, and functions to connect, couple, distribute, isolate, filter, and the like.

The optical fiber coupler realizes the splitting or combining of optical signals, namely, an input optical signal is distributed to a plurality of outputs or the input optical signals are combined into one output, the conventional optical fiber coupler usually comprises a plug machine component and a socket machine component, the plug machine component and the socket machine component are in a male-female butt joint relation, an optical fiber is connected to the plug machine component and then inserted into the socket machine component to complete optical fiber coupling, the optical fiber plug machine component is directly connected with the optical fiber, when the optical fiber is carelessly pulled, the connection part of the optical fiber is shaken to easily cause transmission signal loss, and the condition of poor signals happens occasionally.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to overcome the defects, the optical fiber locking device for optical fiber coupling is good in locking effect and stable in signal transmission.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides an optical fiber locking device for optical fiber coupling, includes base, connector, base middle part be provided with a plurality of fore-and-aft slotted holes, the slotted hole runs through the lateral wall of base, the slotted hole be the ring array setting at the base middle part, be provided with the second layering in the slotted hole, the upper and lower extreme of slotted hole is connected respectively to the upper end and the lower extreme of second layering, the second layering is V style of calligraphy structure, second layering and slotted hole junction be elastic construction, the upper portion and the sub-unit connection department of second layering are the elastic construction of same material, the second layering is when natural state, the hookup location department at second layering middle part is the state towards the outside expansion of base, the outer wall of connector extend down and form the sleeve, when base is connected with the connector, the sleeve compresses tightly the second layering.

Further, the top of base is provided with a plurality of first layering, first layering be the certain space setting in annular array interval on the base top, first layering with for the elastic material, crooked when its pressurized, reset when pressure disappears, at the internal thread top of connector, be provided with the inner wall of slope form, its inner wall is from last to diameter crescent down, the first layering on base top is followed the inner wall upward movement of connector, the slope form inner wall on connector internal thread top produces pressure to first layering, makes its pressurized inwards shrink to compress tightly its inside optic fibre that passes through.

Furthermore, a plurality of pressing blocks facing the upper end of the base are arranged on the inner side of the upper portion of the second pressing strip, a plurality of pressing blocks facing the lower end of the base are arranged on the inner side of the lower portion of the second pressing strip, when the second pressing strip is in a natural state, the pressing blocks cannot interfere with a channel in the base, and the pressing blocks are made of flexible materials.

Since the proposal is adopted, the beneficial effects of the utility model reside in that:

can fix optic fibre completely through the first layering and the second layering that set up, connect more stably, make the optical fiber connection position be difficult for receiving the disturbance, signal transmission is stable, and flexible pressing block on the second layering sets up a plurality of groups and can disperses the optic fibre atress in it, locks optic fibre when preventing optic fibre pressurized damage, when needing to be changed the dismantlement, unscrews the connector and can make first layering and second layering loosen, and it is more convenient during the change maintenance.

Drawings

FIG. 1 is a cross-sectional view of the base of the present invention

FIG. 2 is a perspective view of the base of the present invention

FIG. 3 is a sectional view of the connector of the present invention

In the figure: the device comprises a base 1, a connector 2, a first pressing strip 3, a slotted hole 4, a second pressing strip 5, a pressing block 6, a sleeve 7 and a slope-shaped inner wall 8.

Detailed Description

The technical solution of the present invention will be described clearly and completely with reference to the accompanying drawings, and obviously, the described embodiments are some, but not all embodiments of the present invention. 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.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "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 simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Examples

As shown in fig. 1 to 3, an optical fiber locking device for optical fiber coupling includes a base 1 and a connector 2, wherein a channel is disposed in the base 1, and an optical fiber passes through the channel of the base 1.

Base 1 upper portion be provided with the external screw thread, be provided with the internal thread in connector 2, connector 2 is in the same place through interior external screw thread connection with base 1, the other end of connector 2 is gone into the completion connection in the pipeline coupler when connecting, the outer wall of connector 2 extends down and forms sleeve 7.

The top of base 1 be provided with a plurality of first layering 3, first layering 3 be the certain space setting in base 1 top at the annular array interval, first layering 3 with be the elastic material, it is crooked when pressurized, reset when the pressure disappears, the internal thread top at connector 2 contracts inwards, forms slope form inner wall 8, slope form inner wall 8 is from last to increasing gradually of diameter down, its diameter is the same with the internal thread diameter for the biggest department, its diameter is minimum can hold optic fibre and pass through.

When the base 1 is connected with the connector 2, the first pressing strip 3 at the top end of the base 1 moves upwards along the inner wall of the connector 2, and the slope-shaped inner wall at the top end of the internal thread of the connector 2 generates pressure on the first pressing strip 3 to enable the first pressing strip 3 to be pressed to contract inwards, so that the optical fiber passing through the interior of the connector is compressed, and the optical fiber cannot move in the base 1.

The middle of the base 1 is provided with a plurality of longitudinal slotted holes 4, the slotted holes 4 penetrate through the side wall of the base 1, and the slotted holes 4 are arranged on the middle of the base 1 in an annular array.

The groove hole 4 is internally provided with a second pressing strip 5, the upper end and the lower end of the second pressing strip 5 are respectively connected with the upper end and the lower end of the groove hole 4, the second pressing strip 5 is of a V-shaped structure, the second pressing strip 5 is divided into an upper part and a lower part along the middle part, the joint of the second pressing strip 5 and the groove hole 4 is of an elastic structure, the elastic structure has certain elasticity and can deform, the joint of the upper part and the lower part of the second pressing strip 5 is also of an elastic structure made of the same material, when the second pressing strip 5 is in a natural state, the joint position of the middle part of the second pressing strip 5 is in a state of expanding towards the outer side of the base 1, when the second pressing strip 5 is subjected to pressure from the outer side, the second pressing strip 5 moves towards the axis of the base 1 along the groove hole.

When the second pressing strip 5 is arranged in the slotted hole 4, the opening of the V-shaped structure faces the axis of the base 1, a plurality of pressing blocks 6 facing the upper end of the base 1 are arranged on the inner side of the upper part of the second pressing strip 5, a plurality of pressing blocks 6 facing the lower end of the base 1 are arranged on the inner side of the lower part of the second pressing strip 5, the pressing blocks 6 are made of flexible materials, when the pressing blocks 6 are arranged, when the second pressing strip 5 is in a natural state, the pressing blocks 6 cannot interfere with a channel in the base 1, and optical fibers can pass through the channel.

During the use, when being connected connector 2 and base 1 through the screw thread, sleeve 7 that connector 2 downside is connected impresses second layering 5 along slotted hole 4, briquetting 6 on the second layering 5 will compress tightly from the optic fibre that passes through in the passageway, make it can not move in the passageway, set up the briquetting 6 of two sets of different orientations, can restrict its trend towards both ends motion, first layering 3 that sets up on base 1 top compresses tightly optic fibre, make the structure more stable, sleeve 7's structure can protect optic fibre junction simultaneously, its structure is also more stable.

The utility model discloses during the installation, stretch into optic fibre along the passageway of 1 lower extreme of base, can fix optic fibre completely through first layering 3 and second layering 5, flexible briquetting 6 on the second layering 5 sets up a plurality of groups and can disperse its atress, prevents that optic fibre pressurized from damaging, when needing to be changed the dismantlement, unscrews connector 2 and can make first layering 3 and second layering 5 loosen, and it is more convenient during the change maintenance.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides an optical fiber locking device for optical fiber coupling, includes base, connector, its characterized in that, base middle part be provided with a plurality of fore-and-aft slotted holes, the slotted hole runs through the lateral wall of base, the slotted hole be the setting of annular array at the base middle part, be provided with the second layering in the slotted hole, the upper and lower extreme of slotted hole is connected respectively to the upper end and the lower extreme of second layering, the second layering is V style of calligraphy structure, second layering and slotted hole junction be elastic construction, the upper portion and the sub-unit connection department of second layering are the elastic construction of same material, the second layering is when natural state, the hookup location department at second layering middle part is the state towards the outside expansion of base, the outer wall of connector extend down and form the sleeve, when base is connected with the connector, the sleeve compresses tightly the second layering.

2. The optical fiber locking device for optical fiber coupling according to claim 1, wherein a plurality of first pressing strips are arranged on the top end of the base, the first pressing strips are arranged on the top end of the base at intervals in a ring array, the first pressing strips are made of elastic materials, the first pressing strips are bent when being pressed and reset when pressure disappears, a slope-shaped inner wall is arranged on the top end of the internal thread of the connector, the diameter of the inner wall is gradually increased from top to bottom, the first pressing strips on the top end of the base move upwards along the inner wall of the connector, and the slope-shaped inner wall on the top end of the internal thread of the connector generates pressure on the first pressing strips to enable the first pressing strips to be pressed and inwards shrunk, so that the optical fiber passing through the interior of the connector is pressed.

3. An optical fiber locking device for optical fiber coupling as claimed in claim 1, wherein a plurality of pressing blocks are provided toward the upper end of the base inside the upper portion of the second pressing bar, and a plurality of pressing blocks are provided toward the lower end of the base inside the lower portion of the second pressing bar, wherein the pressing blocks do not interfere with the passage in the base when the second pressing bar is in a natural state, and the pressing blocks are made of a flexible material.