CN216389935U

CN216389935U - Optical module with improved electromagnetic shielding performance

Info

Publication number: CN216389935U
Application number: CN202123177674.3U
Authority: CN
Inventors: 钟城辉; 朱双双; 陈剑峰
Original assignee: Shenzhen Xunfeiling Technology Co ltd
Current assignee: Shenzhen Xunfeiling Technology Co ltd
Priority date: 2021-12-16
Filing date: 2021-12-16
Publication date: 2022-04-26
Anticipated expiration: 2031-12-16

Abstract

The utility model discloses an optical module with improved electromagnetic shielding performance, which relates to the technical field of optical communication and comprises an optical module shell and a circuit board, wherein the circuit board is fixedly arranged in the optical module shell, an insert row is arranged on the upper side of the front end of the circuit board, a slot is formed on the upper side of the front end of the optical module shell, the insert row is arranged in the slot, a shielding plate is arranged on the upper side in the optical module shell in a sliding fit manner, the shielding plate is arranged above the circuit board, a positioning edge is formed on the rear side in the optical module shell, a right-angle edge is formed on the rear side of the shielding plate in a bending manner, the right-angle edge is arranged in front of the positioning edge, and a spring is arranged between the right-angle edge and the positioning edge in an abutting manner; the beneficial effects are that: after the socket is inserted into the port, the spring provides elastic stress for the shielding plate, so that the port can be pressed by the front side of the shielding plate, the shielding plate can provide an electromagnetic shielding effect for the socket, optical communication transmission is more stable, and transmission efficiency can be further improved.

Description

Optical module with improved electromagnetic shielding performance

Technical Field

The utility model relates to the technical field of optical communication, in particular to an optical module with improved electromagnetic shielding performance.

Background

The optical module is composed of an optoelectronic device, a functional circuit, an optical interface and the like, wherein the optoelectronic device comprises a transmitting part and a receiving part. In brief, the optical module functions in that a transmitting end converts an electrical signal into an optical signal, and a receiving end converts the optical signal into the electrical signal after the optical signal is transmitted through an optical fiber.

The optical module is characterized in that a socket is arranged on a circuit board of the optical module, the socket needs to be inserted into a port for optical communication, however, an electromagnetic shielding structure is not arranged between the socket and the port, the stability of optical communication is affected by an external electromagnetic effect, and the transmission efficiency of optical communication is further limited.

SUMMERY OF THE UTILITY MODEL

The utility model provides a technical scheme capable of solving the problems in order to overcome the defects.

The utility model provides an improve electromagnetic shield performance's optical module, including optical module shell and circuit board, circuit board fixed mounting is in the optical module shell, the upside of circuit board front end is provided with inserts the row, the upside shaping of optical module shell front end has the fluting, it sets up in the fluting to insert the row, upside sliding fit in the optical module shell installs the shield plate, the shield plate sets up the top at the circuit board, the rear side shaping in the optical module shell has the location limit, the rear side bending type of shield plate has the right-angle side, the right-angle side sets up the place ahead on location limit, the spring is installed to the butt between right-angle side and the location limit.

As a further scheme of the utility model: a first sliding groove is formed in the shielding plate, a positioning key is fixedly mounted on the upper side in the optical module shell, and the positioning key is mounted in the first sliding groove in a sliding fit mode.

As a further scheme of the utility model: the left and right sides in the fluting all forms there is the second spout, and the left and right sides of shield plate front end all forms there is the slider, and the slider one-to-one sliding fit installs in the second spout.

As a further scheme of the utility model: and a third sliding groove is formed in the front side of the optical module shell, and the front end of the shielding plate is arranged in the third sliding groove in a sliding fit manner.

As a further scheme of the utility model: the front side of the positioning edge is formed with a spring positioning column which is arranged at the rear end of the spring in a clearance fit manner.

As a further scheme of the utility model: and a shielding cover is fixedly arranged on the outer side of the optical module shell.

As a further scheme of the utility model: the outside shaping of optical module shell rear end has the buckle, and the rear end shaping of shield cover has the clearance groove, and the buckle clearance fit sets up in the clearance groove.

As a further scheme of the utility model: the outside fixed mounting of shield cover rear end has a plurality of metalwork, and the outside of metalwork rear end is buckled the shaping and is had flexible arm.

Compared with the prior art, the utility model has the beneficial effects that: after the socket is inserted into the port, the spring provides elastic stress for the shielding plate, so that the port can be pressed by the front side of the shielding plate, the shielding plate can provide an electromagnetic shielding effect for the socket, optical communication transmission is more stable, and transmission efficiency can be further improved.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

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

Fig. 2 is a schematic structural view of the optical module housing with the shielding plate removed.

Fig. 3 is a schematic cross-sectional view of the optical module housing with the shield plate of the present invention.

Fig. 4 is an enlarged schematic view of a portion a of fig. 3.

Shown in the figure: 1. an optical module housing; 2. a circuit board; 3. a power strip; 4. grooving; 5. a shielding plate; 6. positioning the edge; 7. a right-angle side; 8. a spring; 9. a first chute; 10. a positioning key; 11. a second chute; 12. a slider; 13. a third chute; 14. a spring positioning post; 15. a shield case; 16. buckling; 17. an empty avoiding groove; 18. a metal member; 19. a resilient arm.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, an optical module with improved electromagnetic shielding performance includes an optical module housing 1 and a circuit board 2, the circuit board 2 is fixedly installed in the optical module housing 1, an insert row 3 is arranged on the upper side of the front end of the circuit board 2, a slot 4 is formed on the upper side of the front end of the optical module housing 1, the insert row 3 is arranged in the slot 4, a shielding plate 5 is installed on the upper side in the optical module housing 1 in a sliding fit manner, the shielding plate 5 is arranged above the circuit board 2, a positioning edge 6 is formed on the rear side in the optical module housing 1, a right-angle edge 7 is formed on the rear side of the shielding plate 5 in a bending manner, the right-angle edge 7 is arranged in front of the positioning edge 6, and a spring 8 is installed between the right-angle edge 7 and the positioning edge 6 in a butting manner;

the principle is as follows: after the socket 3 is inserted into the port, the spring 8 provides elastic stress for the shielding plate 5, so that the port can be pressed by the front side of the shielding plate 5, the shielding plate 5 can provide an electromagnetic shielding effect for the socket 3, optical communication transmission is more stable, and transmission efficiency can be further improved.

As a further scheme of the utility model: a first sliding groove 9 is formed in the shielding plate 5, a positioning key 10 is fixedly installed on the upper side in the optical module shell 1, and the positioning key 10 is installed in the first sliding groove 9 in a sliding fit manner; the sliding of the shielding plate 5 is more stable, and the positioning key 10 cannot be separated from the first sliding groove 9, so that the shielding plate 5 cannot be separated from the optical module housing 1.

As a further scheme of the utility model: second sliding grooves 11 are formed in the left side and the right side of the inside of the open groove 4, sliding blocks 12 are formed in the left side and the right side of the front end of the shielding plate 5, and the sliding blocks 12 are installed in the second sliding grooves 11 in a one-to-one corresponding sliding fit manner; the sliding of the shielding plate 5 within the optical module housing 1 is made more stable.

As a further scheme of the utility model: a third sliding groove 13 is formed in the front side of the optical module shell 1, and the front end of the shielding plate 5 is installed in the third sliding groove 13 in a sliding fit manner; the sliding of the shielding plate 5 within the optical module housing 1 is made more stable.

As a further scheme of the utility model: a spring positioning column 14 is formed on the front side of the positioning edge 6, and the spring positioning column 14 is arranged at the rear end of the spring 8 in a clearance fit manner; making the mounting of the spring 8 more stable.

As a further scheme of the utility model: a shielding cover 15 is fixedly arranged on the outer side of the optical module shell 1; the electromagnetic shielding effect can be improved.

As a further scheme of the utility model: a buckle 16 is formed at the outer side of the rear end of the optical module shell 1, a clearance groove 17 is formed at the rear end of the shielding cover 15, and the buckle 16 is arranged in the clearance groove 17 in a clearance fit manner; the optical module housing 1 can be installed into a port through the buckle 16, and the installation is more stable.

As a further scheme of the utility model: a plurality of metal pieces 18 are fixedly arranged on the outer side of the rear end of the shielding cover 15, and elastic arms 19 are formed by bending the outer side of the rear end of the metal pieces 18; the metal piece 18 can be pressed into the port by the elastic arm 19, and the connection is more stable.

It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides an optical module of electromagnetic shield performance has been improved, includes optical module shell and circuit board, and circuit board fixed mounting is in optical module shell its characterized in that: the upside of circuit board front end is provided with inserts the row, and the upside shaping of optical module shell front end has the fluting, inserts the row setting in the fluting, and the shielding plate is installed to upside sliding fit in the optical module shell, and the shielding plate setting is in the top of circuit board, and the rear side shaping in the optical module shell has the location limit, and the rear side bending type of shielding plate has the right-angle side, and the right-angle side setting is in the place ahead on location limit, and the spring is installed to the butt between right-angle side and the location limit.

2. The optical module with improved electromagnetic shielding performance as claimed in claim 1, wherein: a first sliding groove is formed in the shielding plate, a positioning key is fixedly mounted on the upper side in the optical module shell, and the positioning key is mounted in the first sliding groove in a sliding fit mode.

3. The optical module with improved electromagnetic shielding performance as claimed in claim 1, wherein: the left and right sides in the fluting all forms there is the second spout, and the left and right sides of shield plate front end all forms there is the slider, and the slider one-to-one sliding fit installs in the second spout.

4. The optical module with improved electromagnetic shielding performance as claimed in claim 1, wherein: and a third sliding groove is formed in the front side of the optical module shell, and the front end of the shielding plate is arranged in the third sliding groove in a sliding fit manner.

5. The optical module with improved electromagnetic shielding performance as claimed in claim 1, wherein: the front side of the positioning edge is formed with a spring positioning column which is arranged at the rear end of the spring in a clearance fit manner.

6. The optical module with improved electromagnetic shielding performance as claimed in claim 1, wherein: and a shielding cover is fixedly arranged on the outer side of the optical module shell.

7. The optical module with improved electromagnetic shielding performance as claimed in claim 6, wherein: the outside shaping of optical module shell rear end has the buckle, and the rear end shaping of shield cover has the clearance groove, and the buckle clearance fit sets up in the clearance groove.

8. The optical module with improved electromagnetic shielding performance as claimed in claim 6, wherein: the outside fixed mounting of shield cover rear end has a plurality of metalwork, and the outside of metalwork rear end is buckled the shaping and is had flexible arm.