CN213365101U

CN213365101U - Tail fiber type same-wavelength coarse wavelength division multiplexing single-fiber bidirectional component

Info

Publication number: CN213365101U
Application number: CN202022453429.XU
Authority: CN
Inventors: 黄喆睿
Original assignee: Wuhan Yuchenfei Optoelectronics Technology Co ltd
Current assignee: Wuhan Yuchenfei Optoelectronics Technology Co ltd
Priority date: 2020-10-29
Filing date: 2020-10-29
Publication date: 2021-06-04
Anticipated expiration: 2030-10-29

Abstract

The utility model discloses a tail fiber type same-wavelength coarse wavelength division multiplexing single-fiber bidirectional component, which comprises a first shell and a second shell, wherein the second shell is buckled and installed on the upper part of the first shell, a BOSA component and a PCBA board are fixedly installed in the first shell, the BOSA component and the PCBA board are electrically connected through a FPC board, and one end in the first shell is provided with a light outlet; through spacing gum cover, the pressure strip and the design of rotating card lid isotructure, tail fibre is connected the back with the BOSA subassembly in actual use, the pressure strip of the spacing gum cover that cup joints on the tail fibre is laminated in first shell, the rotation card lid of rotation installation compresses tightly spacing gum cover in the indent, thereby carry on spacingly to the tail fibre, then protect it when the tail fibre is received and is pulled, thereby avoid taking place the problem of disconnected fibre and make equipment work more convenient, it is direct then can carry out fixed mounting to rotating the card lid through the locking screw.

Description

Tail fiber type same-wavelength coarse wavelength division multiplexing single-fiber bidirectional component

Technical Field

The utility model relates to an optical communication subassembly technical field specifically is a thick wavelength devision multiplex single fiber bidirectional assembly of tail optical fiber formula with wavelength.

Background

At present, with the rapid development of the LTE mobile communication network and the popularization in various countries, the same-wavelength coarse wavelength division multiplexing single-fiber bidirectional optical transceiver integrated module with the tail fiber type structure is widely applied to the LTE mobile communication network. The same wavelength transmission and coarse wavelength division multiplexing technology is applied to the LTE mobile communication network, so that the system cost is low, and the transmission capacity and speed of optical cable communication can be greatly improved. The traditional SFP single-fiber bidirectional transceiving integrated module adopts a single-ended LC plug-in type optical interface, the optical interface is connected with an external optical fiber in a plug-in mode, and when the external optical fiber is subjected to external force, the optical coupling of the optical fiber and the optical transceiving integrated module is easy to deviate, so that optical signals cannot be transmitted or received well.

The conventional SFP packaging structure is limited by a pull ring in an unlocking sleeve assembly, and in the process of inserting and pulling a module, the tail fiber is easily damaged due to the influence of the pull ring, and meanwhile, in the process of assembling and using the module, the hidden danger of fiber breakage or the inconvenience of assembling is easily caused due to pulling of the tail fiber, especially at the joint of the tail fiber and an assembling shell, so that a tail fiber type single-fiber bidirectional component with the same wavelength and the coarse wavelength division multiplexing is required to be provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a two-way subassembly of thick wavelength division multiplexing single fiber of tail optical fiber formula with wavelength, tail optical fiber and BOSA subassembly are connected the back in actual use, the pressure strip of the spacing gum cover that cup joints on the tail optical fiber is laminated in first shell, the rotation card lid of rotation installation compresses tightly spacing gum cover in the indent, thereby carry on spacingly to the tail optical fiber, then protect it when the tail optical fiber receives to pull, thereby avoid taking place the problem of disconnected fine and make the equipment work more convenient, directly then can carry out fixed mounting to the rotation card lid through the locking screw, with the problem of proposing in solving above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a tail fiber type same-wavelength coarse wavelength division multiplexing single-fiber bidirectional component comprises a first shell and a second shell, wherein the second shell is mounted at the upper part of the first shell in a buckling mode, a BOSA component and a PCBA board are fixedly mounted in the first shell, the BOSA component and the PCBA board are electrically connected through an FPC board, and one end of the interior of the first shell is provided with a light outlet;

the BOSA subassembly goes up the electric connection and has the tail optical fiber, the fixed spacing gum cover that has cup jointed on the tail optical fiber, the one end that first shell is close to the tail optical fiber is rotated and is installed and is rotated the card lid, integrated into one piece has the pressure strip on the spacing gum cover, spacing gum cover compresses tightly installs in the tip of first shell and the indent that rotates the card lid, it is provided with locking screw to rotate the card lid, locking screw thread installs the tip at first shell.

Preferably, the lateral part integrated into one piece of first shell has the chucking arch, the draw-in groove has been seted up to the lateral part of second shell, the chucking arch joint is in the draw-in groove.

Preferably, the bottom of the rotary clamping cover is provided with a yielding strip-shaped hole for yielding the tail fiber, and the yielding strip-shaped hole is communicated with the pressing groove.

Preferably, the width of the pressure strip of the rotating clamp cover is greater than the width of the abdicating strip-shaped hole, and the width of the abdicating strip-shaped hole is greater than the diameter of the tail fiber.

Preferably, the rotating clamping cover is provided with a threaded through hole, the end part of the first shell is provided with an internal threaded hole, and the locking screw is arranged in the threaded through hole and the internal threaded hole in a threaded mode.

Preferably, one end of the tail fiber is electrically connected with an optical interface, and the tail fiber is provided with an LC type connector in an inserting manner through the optical interface.

Preferably, the inner bottom of the first shell is integrally formed with a fixed seat, and the PCBA board is fixedly mounted on the fixed seat through screws.

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

through spacing gum cover, the pressure strip and the design of rotating card lid isotructure, tail fibre is connected the back with the BOSA subassembly in actual use, the pressure strip of the spacing gum cover that cup joints on the tail fibre is laminated in first shell, the rotation card lid of rotation installation compresses tightly spacing gum cover in the indent, thereby carry on spacingly to the tail fibre, then protect it when the tail fibre is received and is pulled, thereby avoid taking place the problem of disconnected fibre and make equipment work more convenient, it is direct then can carry out fixed mounting to rotating the card lid through the locking screw.

Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic view of the bottom structure of the rotary cover and the spacing rubber sleeve of the present invention;

fig. 4 is an enlarged schematic view of a portion a in fig. 2 according to the present invention.

In the figure: 1. a first housing; 2. a second housing; 3. rotating the clamping cover; 4. tail fiber; 5. a limiting rubber sleeve; 6. locking screws; 7. a compression plate; 8. pressing a groove; 9. an optical interface; 10. an LC type connector; 11. a card slot; 12. clamping the bulge; 13. abdicating the strip-shaped holes; 14. a threaded through hole; 15. an internally threaded bore; 16. a light outlet; 17. a BOSA component; 18. an FPC board; 19. PCBA board; 20. a fixed seat.

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. 1-4, the present invention provides a technical solution: a tail fiber type same-wavelength coarse wavelength division multiplexing single-fiber bidirectional component comprises a first shell 1 and a second shell 2, wherein the second shell 2 is mounted on the upper portion of the first shell 1 in a buckling mode, a BOSA component 17 and a PCBA board 19 are fixedly mounted in the first shell 1, the BOSA component 17 and the PCBA board 19 are electrically connected through an FPC board 18, and one end of the interior of the first shell 1 is provided with a light outlet 16;

electric connection has tail optical fiber 4 on the BOSA subassembly 17, and fixed the cup jointing has spacing gum cover 5 on the tail optical fiber 4, and first shell 1 rotates near the one end of tail optical fiber 4 and installs and rotate card lid 3, and integrated into one piece has pressure strip 7 on the spacing gum cover 5, and spacing gum cover 5 compresses tightly installs in the tip of first shell 1 and the indent 8 of rotating card lid 3, is provided with locking screw 6 on the rotation card lid 3, and locking screw 6 threaded mounting is at the tip of first shell 1.

Optionally, the limiting rubber sleeve 5 is sleeved on the tail fiber 4 and fixed on the tail fiber 4 through glue, so as to be fixed with the tail fiber 4.

The lateral part integrated into one piece of first shell 1 has chucking arch 12, and draw-in groove 11 has been seted up to the lateral part of second shell 2, and chucking arch 12 joint is in draw-in groove 11. The first shell 1 and the second shell 2 are buckled and mounted in a clamping bulge 12 and a clamping groove 11 mode.

The bottom of the rotary clamping cover 3 is provided with a abdicating strip-shaped hole 13 for abdicating the tail fiber 4, and the abdicating strip-shaped hole 13 is communicated with the pressing groove 8; the width of the pressing plate 7 of the rotary clamping cover 3 is greater than that of the abdicating strip-shaped hole 13, and the width of the abdicating strip-shaped hole 13 is greater than the diameter of the tail fiber 4; the rotating clamping cover 3 is provided with a threaded through hole 14, the end part of the first shell 1 is provided with an internal threaded hole 15, and the locking screw 6 is arranged in the threaded through hole 14 and the internal threaded hole 15 in a threaded mode.

One end of the tail fiber 4 is electrically connected with an optical interface 9, and the tail fiber 4 is provided with an LC type connector 10 through the optical interface 9 in an inserted manner; the fixing seat 20 is integrally formed at the inner bottom of the first shell 1, and the PCBA board 19 is fixedly installed on the fixing seat 20 through screws.

The working principle is as follows: through spacing gum cover 5, pressure strip 7 and the design of rotating card lid 3 isotructure, tail optical fiber 4 is connected the back with BOSA subassembly 17 in the use of reality, the pressure strip 7 of the spacing gum cover 5 that cup joints on the tail optical fiber 4 pastes in first shell 1, the rotation card lid 3 of rotation installation compresses tightly spacing gum cover 5 in indent 8, thereby carry on spacingly to tail optical fiber 4, then protect it when tail optical fiber 4 receives to pull, thereby avoid taking place the problem of disconnected fine and make the equipment work more convenient, it then can carry out fixed mounting to rotation card lid 3 directly through locking screw 6.

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 two-way subassembly of thick wavelength division multiplexing single fiber of tail optical fiber formula with wavelength, includes first shell (1) and second shell (2), its characterized in that: the second shell (2) is mounted on the upper portion of the first shell (1) in a buckling mode, a BOSA component (17) and a PCBA (19) are fixedly mounted in the first shell (1), the BOSA component (17) and the PCBA (19) are electrically connected through an FPC (18), and a light outlet (16) is formed in one end of the interior of the first shell (1);

electric connection has tail optical fiber (4) on BOSA subassembly (17), fixed spacing gum cover (5) of having cup jointed on tail optical fiber (4), the one end that first shell (1) is close to tail optical fiber (4) is rotated and is installed and rotate card lid (3), integrated into one piece has pressure strip (7) on spacing gum cover (5), spacing gum cover (5) compact installation is in tip of first shell (1) and indent (8) of rotating card lid (3), be provided with locking screw (6) on rotating card lid (3), the tip at first shell (1) is installed to locking screw (6) screw thread.

2. The pigtailed same-wavelength coarse wavelength division multiplexing single-fiber bidirectional component of claim 1, wherein: the lateral part integrated into one piece of first shell (1) has chucking arch (12), draw-in groove (11) have been seted up to the lateral part of second shell (2), chucking arch (12) joint is in draw-in groove (11).

3. The pigtailed same-wavelength coarse wavelength division multiplexing single-fiber bidirectional component of claim 1, wherein: the bottom of rotating the card lid (3) is offered and is used for stepping down the stripped hole of stepping down (13) of tail optical fiber (4), the stripped hole of stepping down (13) is the intercommunication setting with indent (8).

4. The pigtailed same-wavelength coarse wavelength division multiplexing single-fiber bidirectional component of claim 3, wherein: the width of the pressing plate (7) of the rotary clamping cover (3) is greater than the width of the abdicating strip-shaped hole (13), and the width of the abdicating strip-shaped hole (13) is greater than the diameter of the tail fiber (4).

5. The pigtailed same-wavelength coarse wavelength division multiplexing single-fiber bidirectional component of claim 1, wherein: the rotary clamping cover (3) is provided with a threaded through hole (14), the end part of the first shell (1) is provided with an internal threaded hole (15), and the locking screw (6) is arranged in the threaded through hole (14) and the internal threaded hole (15) in a threaded mode.

6. The pigtailed same-wavelength coarse wavelength division multiplexing single-fiber bidirectional component of claim 1, wherein: one end electric connection of tail optical fiber (4) has optical interface (9), LC type connector (10) are installed through optical interface (9) grafting in tail optical fiber (4).

7. The pigtailed same-wavelength coarse wavelength division multiplexing single-fiber bidirectional component of claim 1, wherein: the interior bottom integrated into one piece of first shell (1) has fixing base (20), PCBA board (19) pass through screw fixed mounting in fixing base (20).