CN215005992U - Structure of micro tail fiber type transmitting-receiving integrated optical module - Google Patents

Abstract

The utility model discloses a miniature tail optical fiber formula receiving and dispatching optical module's structure relates to communication equipment technical field. The utility model comprises an upper shell, a lower shell and screws, wherein the upper shell and the lower shell are fixedly connected through the screws, and an optical device component is arranged between the upper shell and the lower shell; the relative outside of optical device subassembly has seted up first spacing breach, the spacing breach of second, and the relative both sides of going up the shells inner wall are equipped with the spacing arch that first spacing breach is corresponding, and the shells inner wall is equipped with the first spacing boss that first spacing breach is corresponding down, and the shells inner wall is corresponding with the spacing boss of second of the spacing breach down. The utility model discloses compare with current small-size optical module, new miniature optical module structural design scheme is small, light in weight, and the mountable is in picture peg or the quick-witted incasement of narrow and small space, and inside spare part is few, and shock resistance and vibration ability are good, and screw is small in quantity, and the shell assembly is simple, and the product cost is low.

Description

Structure of micro tail fiber type transmitting-receiving integrated optical module

Technical Field

The utility model belongs to the technical field of communication equipment, especially, relate to a miniature tail optical fiber formula receiving and dispatching optical module's structure.

Background

The optical fiber communication has the advantages of large transmission capacity, strong anti-interference capability, small volume and the like, but in some special occasions, an optical module needs to be arranged in a narrow plugboard or a chassis, a miniature customized optical module is required to replace a standard optical module, and the miniature optical module generally has small internal space, compact structure and complex design.

However, the existing micro optical modules have a plurality of fastening bolts, long assembly time, low efficiency and inconvenient disassembly; the utilization rate of the internal space of the shell is low, the PCB layout space is small, and the performance of the optical module is limited; many parts, complex assembly process and high product cost

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a miniature tail optical fiber formula receiving and dispatching optical module's structure has solved miniature optical module and has asked the many equipment of fastening bolt and consume long technical problem of inefficiency.

In order to achieve the purpose, the utility model is realized by the following technical proposal:

the utility model provides a miniature tail optical fiber formula receiving and dispatching optical module's structure, which comprises an upper housing, lower casing, the screw, it passes through screw fixed connection with lower casing to go up the casing, it has the optical device subassembly to go up to install between casing and the lower casing, first spacing breach has been seted up in the relative outside of optical device subassembly, the spacing breach of second, it is equipped with the corresponding spacing arch of first spacing breach to go up the relative both sides of shells inner wall, the shells inner wall is equipped with the corresponding first spacing boss of first spacing breach down, the lower shells inner wall is with the corresponding spacing boss of second of the spacing breach of second.

Optionally, the optical device assembly comprises a hard PCB, a plurality of soft PCBs inserted in the hard PCB, and an optical device arranged between the plurality of soft PCBs, and the two first limiting notches and the second limiting notch are arranged on the opposite outer sides of the hard PCB.

Optionally, the inner wall of the lower casing is provided with an arc-shaped notch corresponding to the optical device, one side of a flexible Printed Circuit Board (PCB) is provided with a pin header, and the distance between the rigid printed circuit board and the upper inner wall of the lower casing is smaller than the distance between the rigid printed circuit board and the lower inner wall of the lower casing.

Optionally, the inner wall of one side of the upper shell, which is far away from the screw, is provided with two bulges, and the lower shell is provided with a limiting opening corresponding to the lower shell.

The embodiment of the utility model has the following beneficial effect:

the utility model discloses an embodiment compares with current small-size optical module, and new miniature optical module structural design scheme is small, and light in weight, mountable are in picture peg or the quick-witted incasement of narrow and small space, and inside spare part is few, and shock resistance and vibration ability are good, and the screw is small in quantity, and the shell assembly is simple, and product cost is low.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

The accompanying drawings, which form a part of the present application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is an exploded view of an embodiment of the present invention;

fig. 3 is a schematic perspective view of an optical device assembly according to an embodiment of the present invention;

fig. 4 is a bottom view of an embodiment of the present invention.

Wherein the figures include the following reference numerals:

go up casing 1, casing 2 down, screw 3, spacing arch 4, the spacing breach of second 5, PCB hard board 6, PCB soft board 7, optical device 8, row's needle 9, arch 10, spacing opening 11, the spacing boss 12 of second, first spacing boss 13, first spacing breach 14.

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. The following description of at least one exemplary embodiment is merely illustrative in nature and is in no way intended to limit the invention, its application, or uses.

To maintain the following description of the embodiments of the present invention clear and concise, detailed descriptions of well-known functions and components may be omitted.

Referring to fig. 1-4, in the present embodiment, a structure of a micro pigtail transceiver module is provided, which includes: go up casing 1, casing 2 down, screw 3, go up casing 1 and casing 2 down and pass through 3 fixed connection of screw, go up the casing 1 and be equipped with the optical device subassembly down between the casing 2, first spacing breach 14 has been seted up in the relative outside of optical device subassembly, the spacing breach 5 of second, it is equipped with the corresponding spacing arch 4 of first spacing breach 14 to go up the relative both sides of casing 1 inner wall, casing 2 inner wall is equipped with the corresponding first spacing boss 13 of first spacing breach 14 down, the spacing boss 12 of the corresponding second of lower casing 2 inner wall and the spacing breach 5 of second.

As shown in fig. 2 and 3, the optical device assembly of the present embodiment includes a PCB hard board 6, a plurality of PCB soft boards 7 inserted in the PCB hard board 6, and an optical device 8 installed between the plurality of PCB soft boards 7, wherein two first limiting notches 14 and two second limiting notches 5 are both provided at the opposite outer sides of the PCB hard board 6, so as to facilitate limiting of the optical device assembly and enhance the stability of the optical device assembly in the device.

As shown in fig. 2 and 3, the inner wall of the lower casing 2 of this embodiment is provided with an arc-shaped notch corresponding to the optical device 8, so as to facilitate the limitation of the optical device 8 and enhance the stability of the optical device 8 in the device, one side of a flexible PCB 7 is provided with a pin header 9, the distance between the rigid PCB 6 and the inner wall of the upper casing 1 is smaller than the distance between the rigid PCB 6 and the inner wall of the lower casing 2, and the difference is 1-3mm, so as to facilitate the arrangement of higher components such as chips and flexible boards.

As shown in fig. 2 and 3, two protrusions 10 are disposed on the inner wall of the upper case 1 away from the screw 3, and the lower case 2 is provided with a limiting opening 11 corresponding to the lower case 2, so that the protrusions 10 of the upper case 1 can be conveniently inserted into the limiting opening 11, thereby reducing the number of the screws 3 used and fixing the device.

The PCB hard board 6 is far away from the lower shell 2, the PCB hard board 6 is large in space, and can be used for arranging high components such as chips and soft boards;

the neck of the optical device 8 is arranged in the arc-shaped notch of the lower shell, the PCB hard board 6 is arranged on the PCB positioning surface of the lower shell 2 and is pressed flat, and the pin header is arranged in the pin header groove of the PCB soft board 7 on one side of the lower shell 2;

the upper shell 1 is covered and the screws 3 are tightened, if necessary with a screw-thread fastening glue. It should be noted that all the electric devices referred to in this application may be powered by a storage battery or an external power source.

Compared with the existing small optical module, the novel micro optical module has the advantages of small structural design scheme, light weight, capability of being installed in a plugboard or a chassis with narrow space, few internal parts, good impact resistance and vibration resistance, few screws, simple shell assembly and low product cost.

The above embodiments may be combined with each other.

It should be noted that the terms "first," "second," and the like in the description and claims of this application and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are capable of operation in sequences other than those illustrated or described herein.

In the description of the present invention, it should be understood that the orientation or positional relationship indicated by the orientation words such as "front, back, up, down, left, right", "horizontal, vertical, horizontal" and "top, bottom" etc. are usually based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplification of description, and in the case of not making a contrary explanation, these orientation words do not indicate and imply that the device or element referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be interpreted as limiting the scope of the present invention; the terms "inner and outer" refer to the inner and outer relative to the profile of the respective component itself.

Claims (4)

1. A structure of a micro pigtail type transceiver module, comprising: the device comprises an upper shell (1), a lower shell (2) and screws (3), wherein the upper shell (1) and the lower shell (2) are fixedly connected through the screws (3), and an optical device assembly is arranged between the upper shell (1) and the lower shell (2);

first spacing breach (14), second spacing breach (5) have been seted up to the relative outside of optical device subassembly, go up casing (1) inner wall relative both sides and be equipped with first spacing breach (14) corresponding spacing arch (4), lower casing (2) inner wall is equipped with first spacing boss (13) that first spacing breach (14) is corresponding, lower casing (2) inner wall and second spacing boss (12) that second spacing breach (5) is corresponding.

2. The structure of a micro pigtail type transceiver optical module according to claim 1, wherein the optical device assembly comprises a PCB hard board (6), a plurality of PCB soft boards (7) inserted in the PCB hard board (6), and an optical device (8) installed between the plurality of PCB soft boards (7), wherein the two first limiting notches (14) and the second limiting notch (5) are both opened at the opposite outer sides of the PCB hard board (6).

3. The structure of a micro pigtail transceiver module as claimed in claim 2, wherein the inner wall of the lower housing (2) is provided with an arc-shaped notch corresponding to the optical device (8), one side of a PCB (7) is provided with a pin header (9), and the distance between the PCB (6) and the inner wall of the upper housing (1) is smaller than the distance between the PCB (6) and the inner wall of the lower housing (2).

4. The structure of a micro pigtail transceiver module as claimed in claim 3, wherein the inner wall of the upper housing (1) far from the screw (3) is provided with two protrusions (10), and the lower housing (2) is provided with a limit opening (11) corresponding to the lower housing (2).

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