CN211905788U

CN211905788U - SFP optical module shell structure

Info

Publication number: CN211905788U
Application number: CN202020636264.7U
Authority: CN
Inventors: 杜程
Original assignee: Wuxi Pengtong Technology Co Ltd
Current assignee: Wuxi Pengtong Technology Co Ltd
Priority date: 2020-04-24
Filing date: 2020-04-24
Publication date: 2020-11-10
Anticipated expiration: 2030-04-24

Abstract

The utility model belongs to the technical field of optical communication components, and relates to an SFP optical module shell structure, which comprises a base, a circuit board, an optical component, an unlocking key, an upper cover and a grounding elastic sheet, wherein the grounding elastic sheet is embedded in the bottom surface of the base, and the front end of the base is provided with a pull ring; the unlocking key is embedded into the upper part of the base, and the arc groove at the front end of the unlocking key is clamped on the pull ring; the corner parts formed on the two sides of the tail part of the circuit board are embedded into the embedding opening of the base, and the arc notches on the side surfaces of the circuit board are arranged on the positioning columns on the side edges of the base in a matched mode. The shell structure simplifies the manufacturing process of the optical module, effectively improves the manufacturing efficiency of the optical module, and has few product parts and high production efficiency.

Description

SFP optical module shell structure

Technical Field

The utility model belongs to the technical field of the optical communication subassembly, a SFP optical module shell structure is related to.

Background

An SFP optical module (SFP transceiver), namely a miniaturized pluggable transceiver optical module (Smallform-factor PluggableTransceiver). SFP type packages are widely adopted in the industry due to their hot-swap nature and small size. The types of the existing SFP shells are more, and each module manufacturer designs the SFP shell. However, in the face of competition, on the basis of meeting the MSA protocol and reliability, it is an important subject in the industry to simplify the production as much as possible and reduce the cost.

The existing SFP optical module has the following defects: the manufacturing cost is too high due to too many shell parts; the product has many components, slow assembly and low production efficiency; the number of plated parts is large, which is not beneficial to environmental protection.

Disclosure of Invention

The utility model provides an above-mentioned problem, provide a SFP optical module shell structure, this shell structure has simplified the manufacturing process of optical module, has effectively improved optical module manufacturing efficiency simultaneously, and the product part is few, and production efficiency is high.

According to the technical scheme of the utility model: an SFP optical module housing structure, characterized in that: the optical module comprises a base, a circuit board, an optical component, an unlocking key, an upper cover and a grounding elastic sheet, wherein the grounding elastic sheet is embedded in the bottom surface of the base, and the front end of the base is provided with a pull ring; the unlocking key is embedded into the upper part of the base, and the arc groove at the front end of the unlocking key is clamped on the pull ring;

the corner parts formed on the two sides of the tail part of the circuit board are embedded into the embedding opening of the base, and the arc notches on the side surfaces of the circuit board are arranged on the positioning columns on the side edges of the base in a matched mode;

the optical assembly is embedded into the arc positioning bulge formed on the base and is pressed tightly through a device pressing block matched with the positioning groove formed in the base;

the upper cover is pressed on the base, so that the circuit board is pressed and fixed.

As a further improvement of the utility model, the rabbet is arranged in the horizontal direction.

As a further improvement of the present invention, the positioning column extends in the vertical direction.

As the utility model discloses a further improvement, four angle departments of the front end top of base set up a locating piece, every respectively the locating piece forms the draw-in groove with the base top surface respectively, and the draw-in groove that locating piece that pull ring upper portion passes through the base top surface front end constitutes is spacing, and the pull ring lower part is connected with the cell body cooperation of base bottom surface.

As a further improvement, the upper cover front end is provided with a spring plate which is compressed on the upper surface of the unlocking key.

As the utility model discloses a further improvement, the front end bottom surface of unblock key sets up the holding tank, and the portion of bending of pull ring sets up in the holding tank, can drive the unblock key and rotate when the pull ring rotates, and the unblock key still is provided with the step arch of a body coupling, and the step arch is arranged in the through-hole of upper cover.

As a further improvement, the base surface both sides set up bellied stuck point respectively, and the both sides of upper cover set up the bayonet socket that link up respectively, and the stuck point cooperatees with the bayonet socket and realizes being connected of base and upper cover.

As a further improvement, the both sides of base still are provided with the buckle, and the connecting hole and the buckle cooperation of ground connection shell fragment are connected, realize the fixed connection with the base.

As a further improvement, the two sides of the upper cover are respectively provided with a compressing part, and the compressing part is compressed on the upper surface of the circuit board after the upper cover is connected with the base.

The technical effects of the utility model reside in that: the utility model has the advantages of reasonable and ingenious structure, few product components and low manufacturing cost of the shell; the method has the characteristics of simple product assembly and high production efficiency; meanwhile, the product reduces the usage amount of die castings, reduces the usage amount of electroplating process, and is beneficial to environmental protection; the circuit board realizes the location through the rabbet that sets up on the base, has improved the stability of circuit board location.

Drawings

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

Fig. 2 is an exploded view of the present invention.

Fig. 3 is a perspective view of the grounding spring.

Fig. 4 is a perspective view of the base.

Fig. 5 is a perspective view of the circuit board.

Fig. 6 is a perspective view of the upper cover.

Fig. 7 is a perspective view of the device compact.

Fig. 8 is a perspective view of the unlocking key.

Fig. 9 is a perspective view of a light assembly.

Figure 10 is a perspective view of the tab.

Fig. 11 is a schematic view of the connection between the grounding elastic sheet and the base.

FIG. 12 is a schematic view of the connection of the tab to the base.

Fig. 13 is a schematic view of the connection of the unlocking key and the base.

Fig. 14 is a schematic view of the connection between the optical assembly and the base.

FIG. 15 is a schematic view of the connection of the device compact to the base.

Fig. 16 is a schematic view of the connection between the upper cover and the base.

Fig. 17 is a schematic view of the locked state.

Fig. 18 is a schematic view of the unlocked state.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

In the drawings 1-18, the device comprises a grounding elastic sheet 1, a base 2, an embedding opening 2-1, a positioning column 2-2, a positioning groove 2-3, a positioning block 2-4, a clamping point 2-5, a circuit board 3, an arc notch 3-1, an upper cover 4, a through hole 4-1, a bayonet 4-2, a pressing part 4-3, a device pressing block 5, an unlocking key 6, an accommodating groove 6-1, a step bulge 6-2, optical components 7 and 8, a pull ring 9, a bending part 9-1 and the like.

As shown in fig. 1 to 16, the utility model relates to an SFP optical module housing structure, which comprises a base 2, a circuit board 3, optical components 7, 8, an unlocking key 6, an upper cover 4 and a grounding elastic sheet 1, wherein the grounding elastic sheet 1 is embedded in the bottom surface of the base 2, and a pull ring 9 is arranged at the front end of the base 2; the unlocking key 6 is embedded into the upper part of the base 2, and the arc groove at the front end of the unlocking key 6 is clamped on the pull ring 9; the corner parts formed at the two sides of the tail part of the circuit board 3 are embedded into an embedding opening 2-1 of the base 2, and the arc notch 3-1 at the side surface of the circuit board 3 is arranged on a positioning column 2-2 at the side edge of the base 2 in a matching way; the optical components 7 and 8 are embedded into the arc positioning bulges formed on the base 2 and are pressed tightly by the device pressing block 5 which is arranged in the positioning groove 2-3 of the base 2 in a matching way; the upper cover 4 is pressed on the base 2 to realize the pressing and fixing of the circuit board 3.

The rabbet 2-1 is arranged in the horizontal direction, so that the circuit board 3 is convenient to mount, and the reliable positioning connection between the circuit board 3 and the base 2 can be conveniently and rapidly realized.

The positioning column 2-2 extends along the vertical direction, so that the circuit board 3 can be conveniently positioned and connected with the base 2 from top to bottom, and the arc notches 3-1 at the two sides of the circuit board 3 are connected with the positioning column 2-2 in a positioning matching manner.

Four corners of the top of the front end of the base 2 are respectively provided with a positioning block 2-4, each positioning block 2-4 forms a clamping groove with the top surface of the base 2, the upper part of the pull ring 9 is limited by the clamping groove formed by the positioning blocks 2-4 at the front end of the top surface of the base 2, and the lower part of the pull ring 9 is connected with the groove body at the bottom surface of the base 2 in a matching way.

The front end of the upper cover 4 is provided with an elastic sheet which is pressed on the upper surface of the unlocking key 6, so that the unlocking key 6 is pressed and positioned.

The bottom surface of the front end of the unlocking key 6 is provided with an accommodating groove 6-1, the bending part 9-1 of the pull ring 9 is arranged in the accommodating groove 6-1, the pull ring 9 can drive the unlocking key 6 to rotate when rotating, the unlocking key 6 is also provided with an integrally connected step bulge 6-2, and the step bulge 6-2 is arranged in the through hole 4-1 of the upper cover 4.

The two sides of the surface of the base 2 are respectively provided with a raised clamping point 2-5, the two sides of the upper cover 4 are respectively provided with a through bayonet 4-2, and the clamping point 2-5 is matched with the bayonet 4-2 to realize the connection of the base 2 and the upper cover 4.

The two sides of the base 2 are also provided with buckles 2-6, and the connecting hole of the grounding elastic sheet 1 is matched and connected with the buckles 2-6 to realize the fixed connection with the base 2.

Two sides of the upper cover 4 are respectively provided with a pressing part 4-3, and after the upper cover 4 is connected with the base 2, the pressing parts 4-3 are pressed on the upper surface of the circuit board 3.

As shown in FIGS. 1-18, the working principle of the product of the present invention is as follows: when the product is in a locked state, the elastic sheet at the front end of the upper cover 4 compresses the unlocking key 6, and the unlocking key 6 compresses the bending part of the pull ring 9. Leaving the tab unset as shown. At the moment, the triangular step of the assembly 6 is higher than the plane of the SFP CAGE11 elastic sheet, and the locking elastic sheet of the CAGE is clamped so as to lock the optical module; meanwhile, two salient points at the front end of the base 2 define the position of the unlocking key 6, and the triangular position is ensured to conform to the position specified by the MSA protocol.

The utility model discloses the working process of product is as follows: as shown in fig. 17 and 18, when unlocking, the pull ring 9 is pulled to the 90-degree rotated position by external force, so that the unlocking key 6 rotates a certain angle along the axis of the two circular arc reverse buckling of the base 2. At the moment, the step bulge 6-2 of the unlocking key 6 sinks below the plane of the SFP CAGE to be separated from the locking elastic sheet of the SFP CAGE, and at the moment, the shell is separated from the SFP CAGE under the total external force, so that unlocking is completed. In this process the back-off at the front end of the base 2 defines the position of the unlocking key 6 so that the unlocking key 6 always moves within the MSA protocol.

Claims

1. An SFP optical module housing structure, characterized in that: the optical module comprises a base (2), a circuit board (3), optical components (7, 8), an unlocking key (6), an upper cover (4) and a grounding elastic sheet (1), wherein the grounding elastic sheet (1) is embedded in the bottom surface of the base (2), and the front end of the base (2) is provided with a pull ring (9); the unlocking key (6) is embedded into the upper part of the base (2), and the arc groove at the front end of the unlocking key (6) is clamped on the pull ring (9);

the corner parts formed on the two sides of the tail part of the circuit board (3) are embedded into an embedding opening (2-1) of the base (2), and the arc notch (3-1) on the side surface of the circuit board (3) is arranged on the positioning column (2-2) on the side edge of the base (2) in a matching way;

the optical components (7, 8) are embedded in the arc positioning bulges formed on the base (2) and are pressed tightly through the device pressing block (5) which is arranged in the positioning groove (2-3) of the base (2) in a matching way;

the upper cover (4) is pressed on the base (2) to realize the pressing and fixing of the circuit board (3).

2. The SFP optical module housing structure of claim 1, wherein: the embedding opening (2-1) is arranged in the horizontal direction.

3. The SFP optical module housing structure of claim 1, wherein: the positioning columns (2-2) extend in the vertical direction.

4. The SFP optical module housing structure of claim 1, wherein: four corners of the top of the front end of the base (2) are respectively provided with a positioning block (2-4), each positioning block (2-4) forms a clamping groove with the top surface of the base (2), the upper part of the pull ring (9) is limited by the clamping groove formed by the positioning blocks (2-4) at the front end of the top surface of the base (2), and the lower part of the pull ring (9) is connected with the groove body on the bottom surface of the base (2) in a matching manner.

5. The SFP optical module housing structure of claim 1, wherein: the front end of the upper cover (4) is provided with an elastic sheet which is tightly pressed on the upper surface of the unlocking key (6).

6. The SFP optical module housing structure of claim 1, wherein: the bottom surface of the front end of the unlocking key (6) is provided with an accommodating groove (6-1), a bending part (9-1) of the pull ring (9) is arranged in the accommodating groove (6-1), the pull ring (9) can drive the unlocking key (6) to rotate when rotating, the unlocking key (6) is further provided with step bulges (6-2) which are integrally connected, and the step bulges (6-2) are arranged in the through holes (4-1) of the upper cover (4).

7. The SFP optical module housing structure of claim 1, wherein: the improved structure is characterized in that two sides of the surface of the base (2) are respectively provided with a raised clamping point (2-5), two sides of the upper cover (4) are respectively provided with a through bayonet (4-2), and the clamping points (2-5) are matched with the bayonet (4-2) to realize the connection of the base (2) and the upper cover (4).

8. The SFP optical module housing structure of claim 1, wherein: the two sides of the base (2) are also provided with buckles (2-6), and the connecting holes of the grounding elastic sheet (1) are matched and connected with the buckles (2-6) to realize the fixed connection with the base (2).

9. The SFP optical module housing structure of claim 1, wherein: the two sides of the upper cover (4) are respectively provided with a pressing part (4-3), and after the upper cover (4) is connected with the base (2), the pressing parts (4-3) are pressed on the upper surface of the circuit board (3).