CN217156870U

CN217156870U - Structure of miniaturized optical module

Info

Publication number: CN217156870U
Application number: CN202220303858.5U
Authority: CN
Inventors: 于凯; 王鹏
Original assignee: Allray Inc ltd
Current assignee: Allray Inc ltd
Priority date: 2022-02-15
Filing date: 2022-02-15
Publication date: 2022-08-09
Anticipated expiration: 2032-02-15

Abstract

The utility model discloses a structure of miniaturized optical module relates to miniaturized optical module technical field. The utility model comprises a module lower shell, a metal plate upper shell is arranged on the upper side of the module lower shell, and an optical device component is arranged between the module lower shell and the metal plate upper shell; the optical device component comprises a PCB (printed circuit board) positioned between the module lower shell and the metal plate upper shell, two optical devices arranged on the bottom surface of the PCB, and a flexible board connected with the PCB and the two optical devices. The utility model discloses a compare with current small-size optical module, this small-size optical module structural layout is more reasonable, on local overall arrangement, the both sides of spacing groove and the panel beating epitheca through the module inferior valve are fixed completely in the face of the PCB board, adopt panel beating epitheca and every part self characteristic to fix a position and fix on overall arrangement completely, realize that the annulars are detained mutually, whole product fuses as an organic whole, provides better mechanical stability, product assembly process is simple simultaneously, dismantles easily and reprocesses.

Description

Structure of miniaturized optical module

Technical Field

The utility model belongs to the technical field of miniaturized optical module, especially, relate to a structure of miniaturized optical module.

Background

The optical fiber communication has the advantages of large transmission capacity, strong anti-interference capability, small size and the like, but in some special occasions, more optical modules need to be arranged in a smaller space, and a smaller customized optical module is required to replace a standard optical module.

The miniaturized optical module generally has the characteristics of small internal space, compact structure, complex parts and the like. The main problems and disadvantages of the current miniaturized optical module are as follows: 1) the assembly is complex, the assembly efficiency is low, and the maintenance is difficult;

2) the space utilization rate is low, the PCB layout is difficult, and the performance of the optical module is limited; 3) the overall structure layout is unreasonable, so that the product has poor reliability in shock resistance, vibration resistance and the like in an extreme environment.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a miniaturized optical module's structure, it is complicated to have solved present miniaturized optical module assembly, and assembly efficiency is low, maintains the technical problem of difficulty.

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

a structure of a miniaturized optical module comprises a module lower shell, wherein a metal plate upper shell is arranged on the upper side of the module lower shell, and an optical device assembly is arranged between the module lower shell and the metal plate upper shell;

the optical device component comprises a PCB (printed circuit board) positioned between the module lower shell and the metal plate upper shell, two optical devices arranged on the bottom surface of the PCB, and a flexible plate connected with the PCB and the two optical devices;

the upper side of the module lower shell is provided with an optical device supporting plate corresponding to the two optical devices, the lower side of the module lower shell is provided with a guide groove corresponding to the optical devices, the bottom surface of the PCB is provided with an optical device pressing block corresponding to the two optical devices, and the two optical devices are positioned between the optical device supporting plate and the optical device pressing block.

Optionally, the opposite inner sides of the optical device supporting plate and the optical device pressing block are provided with arc-shaped notches corresponding to the two optical devices.

Optionally, one side of the PCB board is connected with a pin header, one side of the module lower shell is provided with an opening corresponding to the pin header, and one end of the pin header extends out of the module lower shell.

Optionally, module inferior valve one side is connected with the skirt pendulum, and the skirt pendulum is connected and is kept away from row needle one end at the module inferior valve.

Optionally, one side of the module lower shell is provided with two limiting grooves corresponding to the PCB, and the connecting end of the flexible board and the PCB is located above the optical device.

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

the utility model discloses an embodiment is through comparing with current small-size optical module, this small-size optical module structural layout is more reasonable, on local overall arrangement, the both sides of spacing groove and the panel beating epitheca through the module inferior valve are fixed totally in the face of the PCB board, adopt panel beating epitheca and every part self characteristic to fix a position and fix on overall arrangement completely, realize that the ring is detained mutually, whole product combines together, better mechanical stability is provided, product assembling process is simple simultaneously, dismantle easily and reprocess.

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 structural diagram of an optical device assembly according to an embodiment of the present invention.

Wherein the figures include the following reference numerals:

the module lower casing 1, panel beating epitheca 2, PCB board 3, optical device 4, flexbile 5, optical device backup pad 6, optical device briquetting 7, row needle 8, skirt pendulum 9, arc breach 10, guide way 11, opening 12, spacing groove 13.

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 to 3, in the present embodiment, a structure of a miniaturized optical module is provided, including: the module comprises a module lower shell 1, wherein a metal plate upper shell 2 is arranged on the upper side of the module lower shell 1, and an optical device assembly is arranged between the module lower shell 1 and the metal plate upper shell 2;

the optical device component comprises a PCB (printed circuit board) 3 positioned between the module lower shell 1 and the metal plate upper shell 2, two optical devices 4 arranged on the bottom surface of the PCB 3, and a flexible plate 5 connected with the PCB 3 and the two optical devices 4;

the upper side of the module lower shell 1 is provided with an optical device supporting plate 6 corresponding to the two optical devices 4, the lower side of the module lower shell 1 is provided with a guide groove 11 corresponding to the optical devices 4, the bottom surface of the PCB 3 is provided with an optical device pressing block 7 corresponding to the two optical devices 4, and the two optical devices 4 are positioned between the optical device supporting plate 6 and the optical device pressing block 7.

The optical device backup pad 6 of this embodiment all is equipped with the arc breach 10 corresponding with two optical device 4 with the relative inboard of optical device briquetting 7, 3 one side of PCB board is connected with

row needle

8, 1 one side of module inferior valve is located and is arranged 8 corresponding opening 12 of needle, and 8 one ends of row needle stretch out module

inferior valve

1, 1 one side of module inferior valve is connected with the skirt and puts 9, and the skirt is put 9 and is connected and keep away from 8 one ends of row needle at module

inferior valve

1, 1 one side of module inferior valve is equipped with two spacing grooves 13 corresponding with PCB board 3,

gentle board

5 and 3 links of PCB board are located optical device 4 tops.

The application of one aspect of the embodiment is as follows:

1. the optical device 4 is supported and assembled in the module lower shell 1 along the guide groove 11 of the module lower shell 1;

2. clamping the neck of the optical device 4 of the optical device assembly into the arc-shaped notch 10 on the optical device supporting plate 6;

3. pressing the optical device pressing block 7 at the neck part of the optical device 4;

4. the tail part of a PCB (printed Circuit Board) 3 of the optical device assembly is clamped in an opening 12 of the lower module shell, so that one end of the PCB is fixed;

5. assembling the metal plate upper shell along the guide of the module lower shell;

6. the skirt is assembled to the front end of the lower module case.

Through comparing with current small-size optical module, this small-size optical module structural layout is more reasonable, on local overall arrangement, spacing groove 13 through module inferior valve 1 and the both sides of panel beating epitheca 2 fix completely in the face of PCB board 3, adopt panel beating epitheca 2 and every part self characteristic to fix a position and fix completely on overall arrangement, realize that the ring is detained mutually, whole product combines together, better mechanical stability is provided, product assembling process is simple simultaneously, dismantle easily and reprocess.

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

1. A structure of a miniaturized optical module, comprising: the module comprises a module lower shell (1), wherein a metal plate upper shell (2) is arranged on the upper side of the module lower shell (1), and an optical device assembly is arranged between the module lower shell (1) and the metal plate upper shell (2);

the optical device component comprises a PCB (3) positioned between the module lower shell (1) and the metal plate upper shell (2), two optical devices (4) arranged on the bottom surface of the PCB (3), and a flexible plate (5) connected with the PCB (3) and the two optical devices (4);

the upper side of the module lower shell (1) is provided with an optical device supporting plate (6) corresponding to the two optical devices (4), the lower side of the module lower shell (1) is provided with a guide groove (11) corresponding to the optical devices (4), the bottom surface of the PCB (3) is provided with an optical device pressing block (7) corresponding to the two optical devices (4), and the two optical devices (4) are positioned between the optical device supporting plate (6) and the optical device pressing block (7).

2. A structure of a miniaturized optical module according to claim 1, characterized in that the opposite inner sides of the optical device support plate (6) and the optical device pressing block (7) are provided with arc-shaped notches (10) corresponding to the two optical devices (4).

3. A structure of a miniaturized optical module as claimed in claim 1, characterized in that a pin header (8) is connected to one side of the PCB (3), an opening (12) corresponding to the pin header (8) is formed at one side of the lower module case (1), and one end of the pin header (8) extends out of the lower module case (1).

4. A structure of a miniaturized optical module as claimed in claim 3, characterized in that a skirt (9) is connected to one side of the module lower case (1), and the skirt (9) is connected to the end of the module lower case (1) far away from the pin header (8).

5. A structure of a miniaturized optical module according to claim 1, characterized in that one side of the module lower case (1) is provided with two limiting grooves (13) corresponding to the PCB board (3), and the connection end of the flexible board (5) and the PCB board (3) is located above the optical device (4).