CN211180311U - Optical module structure free of screw installation - Google Patents

Abstract

The utility model provides an optical module structure of exempting from screw installation, which comprises a housin, the casing has base and shield cover, be equipped with circuit board and optical fiber splice on the base, the shield cover includes roof and the curb plate of locating the roof both sides, two the lower extreme of curb plate is equipped with the border of borduring and being connected with borduring that the relative internal bending becomes, roof, curb plate and borduring enclose into the mounting groove, the one end of mounting groove is formed with the inserted hole, it is located the one end that is close to the inserted hole, two all be equipped with on the curb plate to the mounting groove internal bending type's shell fragment and support the preforming, the both sides of base all are equipped with the draw-in groove that corresponds with the shell fragment, during the equipment, the base inserts in the mounting groove from the inserted hole, support the preforming and the upper surface of circuit. The utility model discloses an assembly methods of draw-in groove and shell fragment, the shield cover structure sets up simple reasonable, and equipment convenient and fast improves the production efficiency of optical module, reduces the cost in business.

Description

Optical module structure free of screw installation

Technical Field

The utility model relates to a communication equipment technical field, concretely relates to exempt from optical module structure of screw installation.

Background

With the progress of science and technology, optical communication products are more and more designed to be miniaturized and highly integrated, optical modules used for communication products are also developed towards miniaturization and high integration, and accordingly, the number and the types of optical devices integrated in the optical modules are also increased. The traditional optical module mainly comprises an upper cover, a base and a shielding metal elastic sheet, wherein a circuit board and an optical fiber connector are arranged on the base, the upper cover is locked on the base through screws during assembly, the circuit board is tightly pressed through the upper cover, and the shielding metal elastic sheet is wrapped outside the base.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the disappearance that prior art exists, provide an exempt from optical module structure of screw installation, its assembly methods that adopts draw-in groove and shell fragment, the structure sets up simply rationally, equipment convenient and fast improves the production efficiency of optical module, reduces the manufacturing cost of enterprise.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an optical module structure of exempting from screw installation, includes the casing, the casing has base and shield cover, be equipped with circuit board and optical fiber splice on the base, the shield cover includes roof and the curb plate of locating the roof both sides, two the lower extreme of curb plate is equipped with the bordure of buckling formation in opposite directions and with bordure the flange of being connected, roof, curb plate and bordure and enclose into the mounting groove, the one end of mounting groove is formed with the inserted hole, it is located the one end that is close to the inserted hole to bordure, two all be equipped with the shell fragment of buckling formation in to the mounting groove on the curb plate and support the preforming, the both sides of base all are equipped with the draw-in groove that corresponds with the shell fragment, during the equipment, the base inserts in the mounting groove from inserting the entry, and the roof is located the.

Preferably, the pressing piece is provided with an arc pressing surface protruding downwards.

As a preferable scheme, the clamping groove is arranged from shallow to deep along the insertion direction of the base.

As a preferred scheme, supporting legs are arranged on two sides of the upper surface of the base, the extending ends of the supporting legs extend towards the top plate of the shielding cover, and the outer side walls of the supporting legs are provided with yielding grooves for the pressing sheets to penetrate through.

Preferably, the side plate is provided with a fan-shaped viewing port at the periphery of the pressing sheet.

As a preferred scheme, one side of the supporting leg is provided with a step for supporting the circuit board, the step is provided with a limiting column, and the circuit board is provided with a limiting groove corresponding to the limiting column.

Preferably, the shielding case is formed by a metal material.

Compared with the prior art, the utility model have obvious advantage and beneficial effect, particularly, through setting up the shield cover, the roof of shield cover, curb plate and bordure and enclose into the mounting groove, set up the shell fragment that becomes to bending type in the mounting groove on the curb plate and support the preforming, set up the draw-in groove on the side of base, during the equipment, only need to install circuit board and optical fiber splice's base and insert the mounting groove from inserting the mouth, make the shell fragment card in the draw-in groove, the arc that supports the preforming supports the face and supports the pressure contact with the circuit board, can accomplish the equipment technology of shield cover and base, the structure sets up simply rationally, equipment convenient and fast, the production efficiency of optical module is improved, the manufacturing cost of enterprise.

To more clearly illustrate the structural features and technical means of the present invention and the specific objects and functions achieved thereby, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:

drawings

FIG. 1 is a schematic view of an assembly structure according to an embodiment of the present invention;

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

FIG. 3 is an enlarged partial schematic view of portion A of FIG. 2;

FIG. 4 is an enlarged partial schematic view of portion B of FIG. 2;

fig. 5 is a schematic structural diagram of a shielding case according to an embodiment of the present invention;

fig. 6 is a partially enlarged illustration of a portion C in fig. 5.

The attached drawings indicate the following:

10-a housing; 20-a base; 21-card slot;

22-supporting feet; 221-a abdication groove; 23-step;

24-a limit post; 30-a shield can; 31-a top plate;

32-side plate; 33-edge wrapping; 34-a mounting groove;

35-a spring plate; 36-pressing the tablets; 361-arc pressing surface;

37-sector viewing port; 38-a rib; 39-insertion opening;

40-a circuit board; 401-a limiting groove; 41-optical fiber splice.

Detailed Description

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the indicated position or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood as appropriate by those of ordinary skill in the art.

As shown in fig. 1 to 6, a screw-free mounting optical module structure includes a housing 10, the housing 10 has a base 20 and a shielding cover 30, the base 20 is provided with a circuit board 40 and an optical fiber connector 41, the shielding cover 30 is formed by a metal material, the shielding cover 30 includes a top plate 31 and side plates 32 disposed on two sides of the top plate 31, the lower ends of the two side plates 32 are provided with an edge-covering 33 formed by bending inward and a flange 38 connected to the edge-covering 33, the top plate 31, the side plates 32 and the edge-covering 33 enclose an installation groove 34, one end of the installation groove 34 is formed with an insertion opening 39, the edge-covering 33 is located at one end close to the insertion opening 39, the two side plates 32 are respectively provided with an elastic sheet 35 and a pressing sheet 36 formed by bending inward the installation groove 34, two sides of the base 20 are respectively provided with a clamping groove 21 corresponding to the elastic sheet 35, the clamping groove 21 is set from shallow depth to deep, during assembly, the base 20 is inserted into the mounting groove 34 from the insertion port 39, the top plate 31 is located above the circuit board 40, the pressing piece 36 has a downward convex arc pressing surface 361, the arc pressing surface 361 on the pressing piece 36 is in pressing contact with the upper surface of the circuit board 40, the side plate 32 is located at the periphery of the pressing piece 36 and is provided with a fan-shaped observation port 37, whether the circuit board 40 is mounted in place and whether the pressing piece 36 is in pressing contact with the upper surface of the circuit board 40 are conveniently observed by arranging the fan-shaped observation port 37, the supporting legs 22 are arranged on two sides of the upper surface of the base 20, the extending ends of the supporting legs 22 extend out towards the top plate 31 of the shielding case 30, the outer side walls of the supporting legs 22 are provided with the abdicating groove 221 for the pressing piece 36 to pass through, one side of the supporting legs 22 is provided with a step 23 for supporting the circuit board 40, the circuit board 40 is provided with a limiting groove 401 corresponding to the limiting column 24.

To sum up, the utility model discloses a set up the shield cover, the roof of shield cover, the curb plate and bordure and enclose into the mounting groove, set up on the curb plate to the interior shell fragment of bending type formation of mounting groove and support the preforming, set up the draw-in groove on the side of base, during the equipment, only need to install circuit board and optical fiber splice's base insert the mounting groove from inserting the mouth, make the shell fragment card in the draw-in groove, support the arc of preforming and support the face of pressing and support the press contact with the circuit board, can accomplish the assembly process of shield cover and base, the structure sets up simple and reasonable, equipment convenient and fast, improve the production efficiency of optical module, reduce enterprise manufacturing.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, so any modifications, equivalent replacements, improvements, etc. made to the above embodiments by the technology of the present invention are all within the scope of the technical solution of the present invention.

Claims (7)

1. The utility model provides an optical module structure of exempting from screw installation, including the casing, the casing has base and shield cover, be equipped with circuit board and optical fiber splice on the base, its characterized in that, the shield cover includes roof and the curb plate of locating the roof both sides, two the lower extreme of curb plate is equipped with the bordure that the relative internal bending becomes and with bordure the flange of being connected, roof, curb plate and bordure and enclose into the mounting groove, the one end of mounting groove is formed with the inserted hole, it is located the one end that is close to the inserted hole to bordure, two all be equipped with on the curb plate to the mounting groove internal bending type shell fragment that forms and support the preforming, the both sides of base all are equipped with the draw-in groove that corresponds with the shell fragment, during the equipment, the base inserts in the mounting groove from the inserted port, and the roof is located.

2. The screw-free mounting optical module structure of claim 1, wherein the pressing piece has an arc pressing surface protruding downward.

3. The screwless mounting optical module structure of claim 1, wherein the card slot is arranged from shallow to deep along the insertion direction of the base.

4. The screw-free mounting optical module structure according to claim 1, wherein support legs are disposed on two sides of the upper surface of the base, the extending ends of the support legs extend toward the top plate of the shielding case, and the outer side walls of the support legs are provided with yielding grooves for the pressing pieces to pass through.

5. The screwless mounting optical module structure according to claim 1 or 4, wherein the side plate is provided with a fan-shaped viewing port at the periphery of the pressing sheet.

6. The screw-free mounting optical module structure of claim 4, wherein one side of the supporting leg is provided with a step for supporting a circuit board, the step is provided with a limiting post, and the circuit board is provided with a limiting groove corresponding to the limiting post.

7. The screwless mounting optical module structure as claimed in claim 1, wherein the shielding can is formed of a metal material.

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