CN212781328U

CN212781328U - Anti-drop planar optical waveguide splitter

Info

Publication number: CN212781328U
Application number: CN202021428739.XU
Authority: CN
Inventors: 王超
Original assignee: CHANGZHOU LINKET ELECTRONIC TECHNOLOGY CO LTD
Current assignee: CHANGZHOU LINKET ELECTRONIC TECHNOLOGY CO LTD
Priority date: 2020-07-20
Filing date: 2020-07-20
Publication date: 2021-03-23
Anticipated expiration: 2030-07-20

Abstract

The utility model belongs to the technical field of the communication technology and specifically relates to an anticreep plane optical waveguide branching unit, including box body, chip, optic fibre and lid, input optic fibre is connected to chip one end, and output optic fibre is connected to the chip other end, and the chip that is connected with optic fibre sets up in the box body, and the lid closes in the box body top, characterized by, the chip passes through elastic component and sets up at the box body middle part, and elastic component is including setting up the adjustable elastic component in upper strata in the lid and setting up the fixed elastic component of lower floor in the box body bottom, through setting up the upper elastic steel ball in the chip top and setting up the lower floor's elastic sleeve pipe in the chip below, realizes the elastic fixation to the chip, can not only avoid the chip to drop in the use, can also cushion the chip after.

Description

Anti-drop planar optical waveguide splitter

Technical Field

The utility model belongs to the technical field of the communication technology and specifically relates to an anticreep plane optical waveguide branching unit.

Background

The planar waveguide type optical splitter is an integrated waveguide optical power distribution device based on a quartz substrate, has the characteristics of small volume, wide working wavelength range, high reliability, good light splitting uniformity and the like, and is particularly suitable for connecting local terminals and terminal equipment in a passive optical network (EPON, BPON, GPON and the like) and realizing splitting of optical signals. There are two types, 1 xn and 2 xn splitters that either evenly split the optical signal from a single or double inlet into multiple outlets or work in reverse to merge multiple optical signals into a single or double fiber. The existing branching unit is generally composed of a box body and a box cover, the optical branching unit is arranged in the box body, after the optical branching unit is used for a long time, the problems of insecure chip connection and falling can occur, and the normal use of the branching unit is influenced to a certain extent.

SUMMERY OF THE UTILITY MODEL

In order to overcome the present foretell not enough, the utility model provides an anticreep planar optical waveguide branching unit solves the problem through set up the elastic locating component in the box body.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an anticreep plane optical waveguide branching unit, includes box body, chip, optic fibre and lid, and input optic fibre is connected to chip one end, and the chip other end connects output optic fibre, and the chip setting that is connected with optic fibre is in the box body, and the lid closes in the box body top, and the chip passes through elastic component to be set up at the box body middle part, and elastic component is including setting up the adjustable elastic component in the upper strata in the lid and setting up the fixed elastic component in the lower floor of box body bottom.

Furthermore, the upper layer adjustable elastic component is composed of four groups of elastic steel ball units, and the four groups of elastic steel ball units are respectively arranged at four corners of the upper layer of the chip.

Furthermore, the elastic steel ball unit comprises a first spring, an adjusting bolt and a limiting steel ball, an internal thread through hole is formed in the box cover corresponding to the adjusting bolt, one end of the first spring is connected with the adjusting bolt in the through hole, the other end of the first spring is connected with the steel ball, and the lower surface of the steel ball abuts against the upper surface of the chip.

Furthermore, the upper surface of the chip is provided with a cambered surface groove corresponding to the limiting steel ball.

Furthermore, the lower layer fixed elastic part is composed of four groups of elastic sleeve units, and the elastic sleeve units are arranged at four corners of the lower layer of the chip corresponding to the elastic steel ball units.

Furthermore, the elastic sleeve unit comprises a second spring, a sleeve and a positioning column, the positioning column is arranged on the bottom surface of the box body, the second spring is arranged at the top end of the positioning column, and the sleeve fixedly arranged on the bottom surface of the chip is sleeved on the second spring and the positioning column.

Furthermore, the outer surfaces of the two sides of the positioning column are symmetrically provided with guide clamping grooves, and the two sides of the bottom of the sleeve are correspondingly provided with guide blocks embedded in the guide clamping grooves.

Furthermore, the two side plates of the box body are provided with wire holes for optical fibers to pass through, and silica gel protective rings are arranged in the wire holes.

The utility model has the advantages that the elastic fixation of the chip is realized through the upper elastic steel ball arranged above the chip and the lower elastic sleeve arranged below the chip, thereby not only preventing the chip from falling off in the use process, but also buffering the collided chip and ensuring the normal use of the chip; through setting up the silica gel guard ring in the optic fibre through-hole, realize the fixed and protection to optic fibre, avoid the activity to set up and cause the damage after optic fibre and the through-hole friction in the through-hole.

Drawings

The present invention will be further explained with reference to the drawings and examples.

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

fig. 2 is a schematic view of the elastic sleeve unit of the present invention;

fig. 3 is a right side view of the box body of the present invention.

In the figure, 1, a box body, 2, a chip, 3, a box cover, 4, an output end optical fiber, 5, an input end optical fiber, 6, a first spring, 7, an adjusting bolt, 8, a limiting steel ball, 9, a through hole, 10, a second spring, 11, a sleeve, 12, a positioning column, 13, a guide clamping groove, 14, a guide block and 15 are silica gel protective rings.

Detailed Description

Fig. 1 is the utility model discloses a structural schematic diagram, an anticreep planar optical waveguide branching unit, including box body 1, chip 2, optic fibre and lid 3, input optic fibre 5 is connected to 2 one ends of chip, and output optic fibre 4 is connected to the 2 other ends of chip, and the chip 2 that is connected with optic fibre sets up in box body 1, and lid 3 lid closes in box body 1 top, and chip 2 passes through elastic component and sets up at box body 1 middle part, and elastic component is including setting up the adjustable elastic component in the upper strata in lid 3 and setting up the fixed elastic component of lower floor in box body 1 bottom.

During the use, carry out stable connection to chip 2 through the elastic component who sets up lower floor on chip 2, avoid the shunt to use for a long time or collide the chip 2 problem of droing that causes after, guarantee the normal use of shunt.

The upper layer adjustable elastic component is composed of four groups of elastic steel ball units which are respectively arranged on four corners of the upper layer of the chip 2. The lower layer fixed elastic component is composed of four groups of elastic sleeve units, and the elastic sleeve units are arranged at four corners of the lower layer of the chip 2 corresponding to the elastic steel ball units.

Four groups of elastic steel ball units and four groups of elastic sleeve units are oppositely arranged on the upper side and the lower side of the chip 2, and the chip 2 is stably supported through the elastic units on the four groups of corners, so that the chip 2 is ensured to be reliably installed.

The elastic steel ball unit comprises a first spring 6, an adjusting bolt 7 and a limiting steel ball 8, an internal thread through hole 9 is formed in the box cover 3 corresponding to the adjusting bolt 7, one end of the first spring 6 is connected with the adjusting bolt 7 in the through hole 9, the other end of the first spring 6 is connected with the limiting steel ball 8, and the lower surface of the limiting steel ball 8 abuts against the upper surface of the chip 2.

The upper surface of the chip 2 is provided with a cambered surface groove corresponding to the limiting steel ball 8. The cambered surface groove is matched with the limiting steel ball 8, so that the steel ball can conveniently support and limit the chip 2.

Spring 6 is connected with adjusting bolt 7 and spacing steel ball 8 through the screw, adjusting bolt 7 passes through the screw thread mode to be fixed in internal thread through-hole 9, and can adjust adjusting bolt 7 rotation from lid 3 through the screwdriver, clockwise turning screwdriver, adjusting bolt 7 moves down, extrusion spring 6, drive spacing steel ball 8 and support the arc recess of chip 2 upper surface, anticlockwise turning screwdriver, adjusting bolt 7 moves up, spring 6 kick-backs, drive spacing steel ball 8 and deviate from the arc recess of chip 2 upper surface.

The elastic sleeve unit comprises a second spring 10, a sleeve 11 and a positioning column 12, the positioning column 12 is arranged on the bottom surface of the box body 1, the second spring 10 is arranged at the top end of the positioning column 12, and the sleeve 11 fixedly arranged on the bottom surface of the chip 2 is sleeved on the second spring 10 and the positioning column 12.

The positioning column 12 is fixed on the bottom surface of the box body 1 in a welding mode, and the sleeve 11 is arranged on the bottom surface of the chip 2 through screws. When the positioning device is used, the second spring 10 is placed at the top end of the positioning column 12, the second spring 10 is covered in the positioning column through the sleeve 11, and the sleeve 11 and the positioning column 12 are movably connected through the guide assembly on the sleeve connection surface of the sleeve 11 and the positioning column 12.

As shown in fig. 2, guide slots 13 are symmetrically formed on the outer surfaces of the two sides of the positioning column 12, and guide blocks 14 embedded in the guide slots 13 are correspondingly formed on the two sides of the bottom of the sleeve 11. The guide clamping grooves 13 are formed in two side faces of the positioning column 12, the specifications of the guide blocks 14 are set according to the specifications of the guide clamping grooves 13, and the guide blocks 14 are driven to longitudinally slide up and down in the guide clamping grooves 13 through the extension and retraction of the springs 10.

As shown in FIG. 3, two side plates of the box body 1 are provided with wire holes for optical fibers to pass through, and silica gel protective rings 15 are arranged in the wire holes. 15 textures softly of silica gel guard ring can laminate the setting of optic fibre surface, and the increase friction avoids the wearing and tearing problem that the optic fibre led to the fact behind the online downthehole activity, effectively protects the optic fibre.

The foregoing description is intended to be illustrative rather than limiting, and it will be appreciated by those skilled in the art that many modifications, variations or equivalents may be made without departing from the spirit and scope of the invention as defined in the appended claims.

Claims

1. The utility model provides an anticreep plane optical waveguide branching unit, includes box body (1), chip (2), optic fibre and lid (3), and input optic fibre (5) are connected to chip (2) one end, and output optic fibre (4) are connected to chip (2) other end, and chip (2) that are connected with optic fibre set up in box body (1), and lid (3) lid closes in box body (1) top, characterized by, chip (2) set up in box body (1) middle part through elastic component, and elastic component is including setting up the adjustable elastic component in upper strata in lid (3) and setting up the fixed elastic component of lower floor in box body (1) bottom.

2. The optical waveguide splitter according to claim 1, wherein the adjustable elastic member of the upper layer is composed of four groups of elastic steel ball units, and the four groups of elastic steel ball units are respectively arranged at four corners of the upper layer of the chip (2).

3. The anti-drop planar optical waveguide splitter according to claim 2, wherein the elastic steel ball unit comprises a first spring (6), an adjusting bolt (7) and a limiting steel ball (8), an internal threaded through hole (9) is formed in the box cover (3) corresponding to the adjusting bolt (7), one end of the first spring (6) is connected with the adjusting bolt (7) in the through hole (9), the other end of the first spring (6) is connected with the limiting steel ball (8), and the lower surface of the limiting steel ball (8) abuts against the upper surface of the chip (2).

4. The anti-drop planar optical waveguide splitter according to claim 3, wherein the upper surface of the chip (2) is provided with a cambered groove corresponding to the limiting steel ball (8).

5. The optical waveguide splitter according to claim 1, wherein the lower fixed elastic member is composed of four sets of elastic sleeve units, and the elastic sleeve units are disposed at four corners of the lower layer of the chip (2) corresponding to the elastic steel ball units.

6. The anti-drop planar optical waveguide splitter according to claim 5, wherein the elastic sleeve unit comprises a second spring (10), a sleeve (11) and a positioning column (12), the positioning column (12) is arranged on the bottom surface of the box body (1), the second spring (10) is arranged at the top end of the positioning column (12), and the sleeve (11) fixedly arranged on the bottom surface of the chip (2) is sleeved on the second spring (10) and the positioning column (12).

7. The anti-drop planar optical waveguide splitter according to claim 6, wherein guide clamping grooves (13) are symmetrically formed on the outer surfaces of two sides of the positioning column (12), and guide blocks (14) embedded in the guide clamping grooves (13) are correspondingly formed on two sides of the bottom of the sleeve (11).

8. The anti-drop planar optical waveguide splitter according to claim 1, wherein two side plates of the box body (1) are provided with wire holes for optical fibers to pass through, and silica gel protection rings (15) are arranged in the wire holes.