CN216772048U - SFP single fiber module shell - Google Patents
SFP single fiber module shell Download PDFInfo
- Publication number
- CN216772048U CN216772048U CN202220214038.9U CN202220214038U CN216772048U CN 216772048 U CN216772048 U CN 216772048U CN 202220214038 U CN202220214038 U CN 202220214038U CN 216772048 U CN216772048 U CN 216772048U
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- base
- unlocking key
- circuit board
- upper cover
- groove
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Abstract
The utility model belongs to the technical field of optical modules, and relates to an SFP single-fiber module shell which comprises a base, wherein the bottom surface of the base is detachably connected with a grounding elastic sheet, the base is detachably connected with an upper cover, a circuit board is arranged in a cavity formed by the base and the upper cover, the circuit board is welded and connected with an optical assembly, the surface of the end part of the base is provided with an unlocking key, a spring sheet at the end part of the upper cover is tightly pressed on the unlocking key, the unlocking key is provided with a pull ring in a matching way, the pull ring is linked with the unlocking key in the rotating process, and an unlocking head of the unlocking key extends out of a through hole of the upper cover; the base is provided with a support pillar and a support platform, the support platform is provided with a positioning column, the circuit board is supported by the support pillar and the support platform, and the circuit board is provided with a positioning groove which is matched with the positioning column; the optical component is positioned in a positioning groove at the front end of the base. The module shell can ensure the consistency and stability of circuit board assembly, can realize the compatibility of circuit boards of different manufacturers, and can realize the flexible selection of optical components.
Description
Technical Field
The utility model belongs to the technical field of optical modules, and relates to an SFP single-fiber module shell.
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. SFP BIDI modules enable single fiber bi-directional data transmission and are therefore widely used.
The problems of the current SFP single-fiber module are as follows:
the PCB is not stable enough in positioning, so that the PCB floats up and down or inclines;
2, the flexibility of PCB positioning is not enough, and the adaptation to different PCBs is often required to carry out a large amount of adjustment on the mold;
3. the module structure is complex, and many designs need a screw spring to realize PCB positioning and unlocking reset;
4. the size of the assembly is greatly limited.
Disclosure of Invention
The utility model aims at the problems and provides an SFP single-fiber module shell which can ensure the consistency and stability of circuit board assembly, realize the compatibility of circuit boards of different manufacturers and realize the flexible selection of optical components.
According to the technical scheme of the utility model: an SFP single-fiber module shell comprises a base, wherein the bottom surface of the base is detachably connected with a grounding elastic sheet, the base is detachably connected with an upper cover, a circuit board is arranged in a cavity formed by the base and the upper cover, the circuit board is welded with an optical assembly, the end surface of the base is provided with an unlocking key, a spring sheet at the end part of the upper cover is tightly pressed on the unlocking key, the unlocking key is provided with a pull ring in a matching way, the pull ring is linked with the unlocking key in the rotating process, and an unlocking head of the unlocking key extends out of a through hole of the upper cover; the method is characterized in that: the base is provided with a support pillar and a support platform, the support platform is provided with a positioning column, the circuit board is supported by the support pillar and the support platform, and the circuit board is provided with a positioning groove which is matched with the positioning column; the optical component is positioned in a positioning groove at the front end of the base.
As a further improvement of the unlocking device, the top surface of the base is provided with two groups of four left buckles, the unlocking key body of the unlocking key is arranged in the two left buckles close to one side of the unlocking head, the unlocking key guide part of the unlocking key is arranged between the two left buckles at the other side, the bottom surface of the unlocking key guide part is provided with an unlocking key groove body, the connecting part of the pull ring is arranged in the pull ring mounting groove at the bottom surface of the unlocking key guide part, the bending part of the pull ring is arranged in the unlocking key groove body, and when the pull ring rotates, the bending part is linked with the unlocking key.
As a further improvement of the utility model, the base is provided with an optical assembly clamping groove, a positioning flange of the optical assembly is arranged in the optical assembly clamping groove in a matching manner, the device pressing block is arranged in the optical assembly clamping groove, and the lower part of the device pressing block is pressed on the optical assembly.
As a further improvement of the utility model, the inner wall of the upper cover is provided with a first buckle, the base is provided with a first clamping groove, and the first buckle is matched with the first clamping groove.
As a further improvement of the utility model, the inner wall of the grounding elastic sheet is provided with a second buckle, the base is provided with a second clamping groove, and the second buckle is matched with the second clamping groove.
As a further improvement of the utility model, the base is provided with supporting plates, two sides of the upper surface of each supporting plate are respectively provided with a limiting plate which extends vertically, the root of the circuit board is supported on the supporting plates, and the root of the circuit board is limited and arranged between the limiting plates.
As a further improvement of the utility model, an upper cover groove is arranged on the surface of the base, and after the upper cover is matched and connected with the base, the upper cover is matched and arranged in the upper cover groove.
As a further improvement of the utility model, the base is provided with a limit baffle extending along the length direction, and the front end surface of the device pressing block abuts against the surface of the limit baffle.
As a further improvement of the utility model, the circuit board is provided with a first step mounting part and a second step mounting part, wherein the inner vertex angle of the second step mounting part is provided with an arc chamfer, and the optical component is mounted on the bottom surface of the circuit board corresponding to the second step mounting part.
The utility model has the technical effects that: the product of the utility model has reasonable and ingenious structure, can ensure the consistency and stability of the assembly of the circuit board, can realize the compatibility of the circuit boards of different manufacturers, can relax the size limit of the optical component, and has more flexible selection of the optical component. The utility model has simple and reliable structure, can realize unlocking and resetting without a spring, and can realize more flexible optical component type selection during use.
Drawings
Fig. 1 is a perspective view of the present invention.
Fig. 2 is a perspective view of the present invention.
Fig. 3 is an exploded view of the present invention.
Fig. 4 is a schematic structural diagram of the grounding elastic sheet of the present invention.
Fig. 5 is a schematic structural view of the base of the present invention.
Fig. 6 is a schematic structural diagram of the circuit board of the present invention.
Fig. 7 is a schematic structural view of the upper cover of the present invention.
FIG. 8 is a schematic structural diagram of a device compact.
Fig. 9 is a schematic structural diagram of the unlock key.
Fig. 10 is a schematic structural diagram of an optical assembly.
FIG. 11 is a schematic view of a tab.
Fig. 12 is a schematic view of the locked state of the present invention in use.
Fig. 13 is a schematic view of an unlocked state when the present invention is in use.
Detailed Description
The following further describes embodiments of the present invention with reference to the drawings.
In the drawings 1-13, the device comprises a grounding elastic sheet 1, a base 2, a support column 2-1, a positioning column 2-2, a support platform 2-3, a left-hand thread 2-4, a support plate 2-5, a limiting plate 2-6, a limiting baffle 2-7, a circuit board 3, a positioning groove 3-1, an upper cover 4, a device pressing block 5, an unlocking key 6, an unlocking key body 6-1, an unlocking key guide part 6-2, an unlocking key groove body 6-3, an optical assembly 7, a pull ring 8, a bending part 8-1 and the like.
As shown in fig. 1 to 11, the utility model is an SFP single fiber module housing, comprising a base 2, wherein the bottom surface of the base 2 is detachably connected with a grounding elastic sheet 1, the base 2 is detachably connected with an upper cover 4, a circuit board 3 is installed in a cavity formed by the base 2 and the upper cover 4, the circuit board 3 is welded with an optical component 7, the end surface of the base 2 is provided with an unlocking key 6, a spring piece at the end of the upper cover 4 is pressed on the unlocking key 6, the unlocking key 6 is provided with a pull ring 8 in a matching way, the pull ring 8 is linked with the unlocking key 6 in the rotation process, and an unlocking head of the unlocking key 6 extends out of a through hole of the upper cover 4; the base 2 is provided with a support column 2-1 and a support platform 2-3, the support platform 2-3 is provided with a positioning column 2-2, the circuit board 3 is supported by the support column 2-1 and the support platform 2-3, the circuit board 3 is provided with a positioning groove 3-1, and the positioning groove 3-1 is matched with the positioning column 2-2; the optical component 7 is positioned in a positioning groove at the front end of the base 2. The positioning posts 2-2 define the circuit board 3 and prevent movement of the circuit board 3 in a horizontal plane after assembly.
The top surface of the base 2 is provided with two groups of four left buckles 2-4, the unlocking key body 6-1 of the unlocking key 6 is arranged in the two left buckles close to one side of the unlocking head, the unlocking key guide part 6-2 of the unlocking key 6 is arranged between the two left buckles at the other side, the bottom surface of the unlocking key guide part 6-2 is provided with an unlocking key groove body 6-3, the connecting part of the pull ring 8 is arranged in the pull ring mounting groove at the bottom surface of the unlocking key guide part 6-2, the bending part 8-1 of the pull ring 8 is arranged in the unlocking key groove body 6-3, and when the pull ring 8 rotates, the bending part 8-1 is linked with the unlocking key 6.
As shown in fig. 11, the pull ring 8 is provided with a bent portion 8-1 so as to be linked with the unlocking key 6; the handle part of the pull ring 8 is provided with a rubber sleeve so as to be convenient for an operator to operate.
Set up the optical assembly draw-in groove on the base 2, the flange cooperation of light subassembly 7 sets up in the optical assembly draw-in groove, and device briquetting 5 sets up in the optical assembly draw-in groove, and 5 lower parts of device briquetting compress tightly on optical assembly 7.
The inner wall of upper cover 4 sets up first buckle, sets up first draw-in groove on the base 2, and first buckle cooperatees with first draw-in groove.
The inner wall of the grounding elastic sheet 1 is provided with a second buckle, the base 2 is provided with a second clamping groove, and the second buckle is matched with the second clamping groove.
The base 2 is provided with supporting plates 2-5, two sides of the upper surface of each supporting plate 2-5 are respectively provided with a limiting plate 2-6 which extends vertically, the root of the circuit board 3 is supported on the supporting plates 2-5, and the root of the circuit board 3 is limited and arranged between the limiting plates 2-6.
As shown in FIGS. 3 and 6, in order to be able to use more types of optical components 7, the circuit board 3 is provided with a first step mounting portion 3-2 and a second step mounting portion 3-3, wherein the inner vertex angle of the second step mounting portion 3-3 is provided with a circular arc chamfer, and the optical components 7 are mounted on the bottom surface of the circuit board 3 corresponding to the second step mounting portion 3-3. By improving the structure of the circuit board 3, the size limitation of the optical assembly 7 can be relaxed, and the optical assembly 7 can be selected more flexibly.
The surface of the base 2 is provided with an upper cover groove, and after the upper cover 4 is matched and connected with the base 2, the upper cover 4 is matched and arranged in the upper cover groove.
The base 2 is provided with a limiting baffle 2-7 extending along the length direction, and the front end face of the device pressing block 5 is abutted against the surface of the limiting baffle 2-7.
As shown in figures 1-11, the supporting column 2-1 and the supporting platform 2-3 are arranged on the base 2 of the circuit board positioning device, so that the circuit board 3 can be reliably supported, in order to ensure the reliable positioning of the circuit board 3, the supporting platform 2-3 is provided with the positioning column 2-2, and the positioning column 2-2 is matched with the positioning groove 3-1 on the circuit board 3, so that the circuit board 3 can be reliably and stably positioned.
The assembly sequence of the product of the utility model when in use is as follows: firstly, the grounding elastic sheet 1 is connected with the base 2 in a clamping manner, then an assembly of the circuit board 3 and the optical component 7 is assembled on the base 2, and the arc of the optical component 7 is embedded into the arc of the base 2; the tail part of the circuit board 3 is embedded into an embedding opening formed between the two limiting baffles 2-7, a positioning groove 3-1 on the side surface of the circuit board 3 is matched with a positioning column 2-2 on the side edge of the base 2, and a device pressing block 5 is embedded into the positioning groove on the base 2; the unlocking key 6 is pressed into the corresponding left-hand thread 2-4 on the base 2, meanwhile, the pull ring 8 is arranged in the pull ring groove of the unlocking key 6, and when the pull ring 8 rotates, the bending part 8-1 is linked with the unlocking key 6, so that the unlocking head of the unlocking key 6 is locked or unlocked.
As shown in fig. 12 and 13, the locking state of the present invention is schematically shown, when unlocking, the cage 9 is pulled to a 90-degree rotated position by an external force, so that the unlocking key 6 is rotated by a certain angle along the axis of the two opposite buckles 2-4 of the base 2. At this time, the unlocking head of the unlocking key 6 sinks below the plane of the cage 9 and is separated from the locking elastic sheet of the cage 9, and at this time, the shell formed by the upper cover 4 and the base 2 is separated from the cage 9 under the action of external force, so that unlocking is completed. In the process, the left-hand catch 2-4 at the front end of the base 2 defines the position of the unlocking key 6.
The utility model has few product components and low manufacturing cost of the shell; the product is simple to assemble, and the production efficiency of the optical module is improved; the product reduces the usage amount of die castings, reduces the usage amount of electroplating process, and is beneficial to environmental protection; the positioning mode that the four supporting points of the base of the circuit board 3 are tightly pressed with the upper cover improves the positioning stability of the circuit board 3.
Claims (9)
1. An SFP single-fiber module shell comprises a base (2), wherein the bottom surface of the base (2) is detachably connected with a grounding elastic sheet (1), the base (2) is detachably connected with an upper cover (4), a circuit board (3) is installed in a cavity formed by the base (2) and the upper cover (4), the circuit board (3) is welded with an optical assembly (7), the end surface of the base (2) is provided with an unlocking key (6), the spring sheet at the end part of the upper cover (4) is tightly pressed on the unlocking key (6), the unlocking key (6) is provided with a pull ring (8) in a matching way, the pull ring (8) is linked with the unlocking key (6) in the rotating process, and the unlocking head of the unlocking key (6) extends out of a through hole of the upper cover (4); the method is characterized in that: the circuit board positioning device is characterized in that a supporting column (2-1) and a supporting platform (2-3) are arranged on the base (2), a positioning column (2-2) is arranged on the supporting platform (2-3), the circuit board (3) is supported by the supporting column (2-1) and the supporting platform (2-3), a positioning groove (3-1) is formed in the circuit board (3), and the positioning groove (3-1) is matched with the positioning column (2-2); the optical component (7) is positioned and arranged in a positioning groove at the front end of the base (2).
2. The SFP single fiber module housing of claim 1, wherein: the top surface of the base (2) is provided with two groups of four left-hand threads (2-4), an unlocking key body (6-1) of the unlocking key (6) is arranged in the two left-hand threads close to one side of the unlocking head, an unlocking key guide part (6-2) of the unlocking key (6) is arranged between the two left-hand threads on the other side, the bottom surface of the unlocking key guide part (6-2) is provided with an unlocking key groove body (6-3), a connecting part of a pull ring (8) is arranged in a pull ring mounting groove in the bottom surface of the unlocking key guide part (6-2), a bending part (8-1) of the pull ring (8) is arranged in the unlocking key groove body (6-3), and when the pull ring (8) rotates, the bending part (8-1) is interlocked with the unlocking key (6).
3. The SFP single fiber module housing of claim 1, wherein: the optical module clamping groove is formed in the base (2), the positioning flange of the optical module (7) is arranged in the optical module clamping groove in a matched mode, the device pressing block (5) is arranged in the optical module clamping groove, and the lower portion of the device pressing block (5) is pressed on the optical module (7).
4. The SFP single fiber module housing of claim 1, wherein: the inner wall of the upper cover (4) is provided with a first buckle, the base (2) is provided with a first clamping groove, and the first buckle is matched with the first clamping groove.
5. The SFP single fiber module housing of claim 1, wherein: the inner wall of the grounding elastic sheet (1) is provided with a second buckle, the base (2) is provided with a second clamping groove, and the second buckle is matched with the second clamping groove.
6. The SFP single fiber module housing of claim 1, wherein: the base (2) is provided with supporting plates (2-5), two sides of the upper surface of each supporting plate (2-5) are respectively provided with a limiting plate (2-6) which extends vertically, the root of the circuit board (3) is supported on the supporting plates (2-5), and the root of the circuit board (3) is limited and arranged between the limiting plates (2-6).
7. The SFP single fiber module housing of claim 1, wherein: the surface of the base (2) is provided with an upper cover groove, the upper cover (4) is matched and connected with the base (2), and the upper cover (4) is matched and arranged in the upper cover groove.
8. The SFP single fiber module housing of claim 3, wherein: the base (2) is provided with a limiting baffle (2-7) extending along the length direction, and the front end face of the device pressing block (5) abuts against the surface of the limiting baffle (2-7).
9. The SFP single fiber module housing of claim 1, wherein: the circuit board (3) is provided with a first step mounting part (3-2) and a second step mounting part (3-3), wherein an arc chamfer is arranged at an inner vertex angle of the second step mounting part (3-3), and the optical assembly (7) is mounted at the position, corresponding to the second step mounting part (3-3), of the bottom surface of the circuit board (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220214038.9U CN216772048U (en) | 2022-01-26 | 2022-01-26 | SFP single fiber module shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220214038.9U CN216772048U (en) | 2022-01-26 | 2022-01-26 | SFP single fiber module shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216772048U true CN216772048U (en) | 2022-06-17 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220214038.9U Active CN216772048U (en) | 2022-01-26 | 2022-01-26 | SFP single fiber module shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216772048U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024032004A1 (en) * | 2022-08-12 | 2024-02-15 | 青岛海信宽带多媒体技术有限公司 | Optical module |
-
2022
- 2022-01-26 CN CN202220214038.9U patent/CN216772048U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024032004A1 (en) * | 2022-08-12 | 2024-02-15 | 青岛海信宽带多媒体技术有限公司 | Optical module |
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