CN216646889U

CN216646889U - Conductive sealing device for optical module and optical module

Info

Publication number: CN216646889U
Application number: CN202122745999.0U
Authority: CN
Inventors: 李振强
Original assignee: Shiqiang Xianjin Shenzhen Technology Co ltd
Current assignee: Shiqiang Xianjin Shenzhen Technology Co ltd
Priority date: 2021-11-10
Filing date: 2021-11-10
Publication date: 2022-05-31
Anticipated expiration: 2031-11-10

Abstract

The utility model relates to a conductive sealing device for an optical module and an optical module. The conductive sealing device for an optical module includes a socket part and a buckle part connected with the socket part, the socket part is provided with a socket port, the buckle part is provided with a buckle interface, and the buckle The opening direction of the interface is perpendicular to the opening direction of the socket opening; the socket part and the buckle part are integrally formed and are made of elastic conductive material. The conductive sealing device for the optical module plays the role of sealing the optical module, preventing electromagnetic waves from leaking from the inside of the optical module, and plays the role of electromagnetic shielding protection, which improves the performance of the optical module; and the socket part and the buckle part are integrated. The arrangement is convenient for the installation of the conductive sealing device used for the optical module, and the production efficiency of the optical module is effectively improved.

Description

Conductive sealing device for optical module and optical module

Technical Field

The utility model relates to the technical field of optical modules, in particular to a conductive sealing device for an optical module and the optical module.

Background

An optical module, which is an important component of an optical fiber communication system, has a main function of interchanging optical signals and electrical signals. The optical module mainly comprises an optical transceiving component, a circuit control board used for controlling the optical transceiving component to send or receive optical signals, a shell and the like, wherein the optical transceiving component and the circuit control board are arranged in the shell, and the optical transceiving component is connected with the optical fiber through an adapter to transmit the optical signals.

When the optical module works, the internal circuit control board and the optical transceiver module generate electromagnetic interference, and the electromagnetic interference can affect the transmission of optical signals of the optical module and the surrounding environment, so that the anti-electromagnetic interference capability of the optical module is one of the main reasons for affecting the performance of the optical module. However, in the conventional optical module, the sealing of the optical module is not ideal, and there is a risk that electromagnetic waves leak from the inside of the optical module, so that the anti-electromagnetic interference capability of the optical module is not ideal, and the performance of the optical module is affected.

SUMMERY OF THE UTILITY MODEL

The utility model provides an improved conductive sealing device for an optical module and the optical module.

The technical scheme adopted by the utility model for solving the technical problems is as follows: constructing a conductive seal for a light module comprising: the socket joint part is provided with a socket joint, the buckling part is provided with a buckling interface, and the opening direction of the buckling interface is perpendicular to that of the socket joint; the socket joint part and the buckling part are of an integrally formed structure and are made of elastic conductive materials.

Preferably, the two sleeving parts are arranged side by side and connected with each other.

Preferably, the socket joint part includes a first end and a second end located in the first direction a, the first end and the second end are disposed oppositely, and the buckling part is disposed on the first end of the socket joint part.

Preferably, the end face of the first end is arranged in a plane, and the end face of the end, away from the second end, of the buckling part is flush with the end face of the first end.

Preferably, the socket joint part comprises a first side and a second side in a second direction B, and the first side and the second side are arranged oppositely;

the buckling parts are arranged in two numbers, and the two buckling parts are respectively located on the first side and the second side of the sleeving part.

Preferably, the side wall surface of one side of the buckling part far away from the sleeving part is in plane arrangement.

Preferably, the socket part comprises a first end and a second end in a first direction a, and the first end and the second end are arranged oppositely;

the two sleeve-joint parts are connected through a connecting part, the connecting part is connected to the first end of the sleeve-joint part, and the end face of the connecting part, far away from the second end of the sleeve-joint part, is flush with the first end of the sleeve-joint part.

Preferably, the sleeve joint part is provided with a convex rib, and the convex rib protrudes outwards from the first end face of the sleeve joint part.

Preferably, the socket joint part is annularly arranged, and the socket joint is circular; the buckling part is annularly arranged, the buckling interface is circular, and the diameter of the buckling interface is smaller than that of the sleeve joint.

The present invention also provides an optical module comprising: the optical module comprises a shell, an optical transceiving component arranged in the shell and any one of the conductive sealing devices for the optical module, wherein the shell comprises a base and a cover body, and the base and the cover body are locked through a locking structure;

the socket joint part is sleeved on the optical port of the optical transceiver component through the socket joint port and used for sealing the gap between the optical transceiver component and the base as well as the cover body, and the buckling part is buckled on the locking structure through the buckling port and used for sealing the gap between the locking structure and the base as well as the cover body.

The implementation of the conductive sealing device for the optical module and the optical module has the following beneficial effects:

the optical module comprises a base, a cover body, a light receiving and transmitting assembly, a fastening structure, a sleeving part, a locking structure and a locking structure, wherein the optical receiving and transmitting assembly is arranged on the base; and the sleeve joint part and the buckling part are integrally arranged, so that the installation of the conductive sealing device of the optical module is facilitated, and the production efficiency of the optical module is effectively improved.

Drawings

The utility model will be further described with reference to the accompanying drawings and examples, in which:

fig. 1 is a schematic structural diagram of a conductive sealing device for an optical module according to a first embodiment of the present invention;

fig. 2 is a schematic direction diagram of a first direction a and a second direction B of a conductive sealing device for an optical module according to a first embodiment of the present invention;

fig. 3 is a partial structural schematic diagram of an optical module according to a first embodiment of the present invention;

fig. 4 is a partial structural schematic diagram of an optical module according to a second embodiment of the present invention.

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.

Fig. 1 shows a conductive sealing device for an optical module in a first embodiment of the present invention, where the conductive sealing device 100 for an optical module is applied to an optical module, and is used to seal the optical module, prevent electromagnetic waves from leaking out of the interior of the optical module, and play a role of electromagnetic shielding and protection, thereby improving the performance of the optical module.

As shown in fig. 1, a conductive sealing device 100 for an optical module includes a socket 1 and a fastening part 2, where the socket 1 is provided with a socket 11 for being sleeved on an optical port of an optical transceiver module of the optical module to seal a gap between the optical transceiver module and a base and a cover; the fastening part 2 is provided with a fastening interface 21 for fastening on the locking structure of the optical module to seal the gap between the locking structure and the base and cover. It will be appreciated that the locking structure may comprise a screw/bolt to which the snap interface 21 of the snap connection 2 is adapted to be tightly snapped.

The number of the sleeve joint parts 1 is set corresponding to the number of the optical ports of the optical transceiving component; that is, the number of the sockets 1 is the same as the number of optical ports of the optical transceiver module. In this embodiment, two sockets 1 may be provided, and the two sockets 1 are disposed side by side and connected to each other. In other embodiments, socket 1 may be provided with one or other number.

For convenience of description, as shown in fig. 2, a height direction of the conductive sealing device 100 for an optical module will be described as a first direction a. The socket joint part 1 includes a first end 12 and a second end 13, the first end 12 and the second end 13 are located in the first direction a, the first end 12 and the second end 13 are disposed oppositely, and the fastening part 2 is connected to one of the first end 12 or the second end 13 of the socket joint part 1. For convenience of description, the fastening part 2 is disposed at the first end 12 of the socket part 1.

It will be appreciated that the first end 12 is intended to correspond to the inner wall surface of the cover and the second end 13 is intended to correspond to the inner wall surface of the base. In order to be matched with the plane part of the inner wall surface of the cover body of the optical module, the end surface of the first end 12 of the sleeving part 1 is arranged in a plane, and the end surface of one end, away from the second end 13, of the buckling part 2 is flush with the end surface of the first end 12.

The two sleeve parts 1 are connected by a connecting part 3, the connecting part 3 can be connected to the first end 12 of the sleeve part 1, and the end face of one end of the connecting part 3 far away from the second end 13 is flush with the end face of the first end 12.

Further, in the embodiment that the inner wall surface of the cover body applied to the optical module has the arc surface portion, in order to match with the arc surface portion of the inner wall surface of the cover body of the optical module, the sleeve joint part 1 is further provided with the convex rib 4, and the convex rib 4 protrudes outward from the end surface of the first end 12 of the sleeve joint part 1. Wherein, protruding muscle 4 can be the arc setting to can laminate with the cambered surface of indent on the internal face, the width of protruding muscle 4 can equal with the thickness of cup joint portion 1. The quantity of protruding muscle 4 can set up with the quantity correspondence of cup jointing portion 1, and the quantity of protruding muscle 4 can equal with the quantity of cup jointing portion 1 promptly, and protruding muscle 4 can be located the middle part position on 1 second direction B of cup jointing portion.

The buckling parts 2 are connected with the sleeving parts 1, at least one buckling part 2 can be arranged, and the number of the buckling parts 2 corresponds to the number of the locking structures; that is, the number of the catching portions 2 is the same as the number of the locking structures. In the present embodiment, two fastening portions 2 may be provided.

For convenience of description, the longitudinal direction of the conductive sealing device 100 of the optical module is described as a second direction B, which is perpendicular to the first direction a. The socket joint part 1 comprises a first side 14 and a second side 15, the first side 14 and the second side 15 are respectively located in the second direction B, the first side 14 and the second side 15 are oppositely arranged, the two buckling parts 2 are respectively located on the outer sides of the two socket joint parts 1, namely, the two buckling parts 2 are respectively located on the first side 14 of the socket joint part 1 and the second side 15 of the other socket joint part 1.

It can be understood that the fastening portion 2 can be connected to two sides of the socket portion 1 through a connector, so that the fastening portion 2 and the socket portion 1 correspond to the locking structure and the optical port of the optical transceiver module, respectively. It will be appreciated that the two sockets 1 are arranged side by side in the second direction B.

Further, for the inside wall cooperation with lid and/or base, the lateral wall face of the one side that coupling part 2 kept away from cup joint portion 1 is the plane setting. In other embodiments, two clasps 2 may be disposed between two sockets 1. It can be understood that the position relationship between the fastening part 2 and the socket part 1 can be set according to the position relationship between the optical port of the optical transceiver module and the locking structure in the applied optical module.

The socket joint part 1 can be arranged annularly, the socket joint 11 can be arranged circularly and is arranged at the inner side of the socket joint part 1, and the size of the socket joint 11 is matched with the size of the optical port of the optical transceiver module. It can be understood that the socket 11 can be slightly smaller than the optical port size of the optical transceiver module, so that the socket 1 is tightly sleeved on the optical port of the optical transceiver module; the periphery of the sleeve joint part 1 can be arranged in a U-shaped structure.

The fastening portion 2 may be annularly disposed, and the fastening opening 21 may be circularly disposed and disposed inside the fastening portion 2. The opening direction of the snap joint 21 of the snap joint 2 is perpendicular to the opening direction of the socket 11. It can be understood that the opening direction of the socket 11 is the direction of the optical port sleeved on the transceiver module, i.e. the direction in which the optical port of the optical transceiver module is placed; the opening direction of the buckle interface 21 is the direction in which the buckle is arranged on the locking structure, i.e. the direction in which the locking structure is inserted. It will be appreciated that the dimensions of the interface 21 are adapted to the dimensions of the locking structure, i.e. the interface 21 may be slightly smaller than the dimensions of the locking structure, so that the fastening portion 2 can be fastened tightly to the locking structure. In other embodiments, the fastening portion 2 may be U-shaped, and the fastening interface 21 may be U-shaped, and it is understood that the opening direction of the fastening interface 21 is not the gap direction of the U-shaped structure.

An end wall surface 16 is formed between the first end 12 and the second end 13 of the sleeve joint part 1, and both end wall surfaces 16 of the sleeve joint part 1 are arranged in a plane. The fastening portion 2 includes end wall surfaces 22 corresponding to the two end wall surfaces 16 of the socket portion 1, respectively, and at least one end wall surface 22 of the fastening portion 2 is flush with one end wall surface 16 of the socket portion 1. When the one end wall surface 22 of the hook 2 is flush with the one end wall surface 16 of the socket 1, the other end wall surface 22 of the hook 2 may protrude out of the other end wall surface 16 of the socket 1.

The rib 4 includes end wall surfaces 41 corresponding to the end wall surfaces 16 of the socket 1, respectively, and the end wall surfaces 41 of the rib 4 may be flush with the end wall surfaces 16 of the socket 1.

Further, the socket portion 1, the fastening portion 2, the connecting portion 3, and the rib 4 are integrally formed by an integral forming process, so that the conductive sealing device 100 for an optical module can be conveniently mounted and dismounted in the optical module. Moreover, the socket joint part 1, the buckling part 2, the connecting part 3 and the convex rib 4 are made of elastic conductive materials, have the characteristic of electromagnetic shielding performance and can prevent electromagnetic wave leakage. The elastic conductive material can be elastic rubber with silica gel filled with metal particles, or other elastic materials with conductive characteristics. The metal particles may be nickel carbon, silver aluminum, or the like.

The conductive sealing device for an optical module in the second embodiment of the present invention is different from the conductive sealing device 100 for an optical module in the first embodiment in that one buckling part is provided, the buckling part may be disposed between two socket parts, and the buckling part may be disposed in a middle of the socket parts in the second direction B.

The buckling part can be connected with the sleeving part or the connecting part through the connecting piece, so that the buckling part and the sleeving part can respectively correspond to the locking structure and the optical port of the optical transceiving component.

The end face of the second end of the buckling part, which is far away from the sleeving part, is flush with the end face of the first end of the sleeving part, the end wall of the buckling part, which is far away from the sleeving part, is in a plane arrangement, and the side wall face of the buckling part does not need to be flush with the corresponding side wall face of the sleeving part. The conductive sealing device for an optical module of this embodiment may not be provided with a rib.

The conductive sealing device for an optical module in the third embodiment of the present invention is different from the conductive sealing device 100 for an optical module in the first embodiment in that one socket joint part is provided, and two buckling parts are respectively provided at the outer side of the socket joint part. The conductive sealing device for an optical module of this embodiment may not be provided with a rib.

The conductive sealing device for an optical module in the fourth embodiment of the present invention is different from the conductive sealing device 100 for an optical module in the first embodiment in that one socket joint portion is provided, and one buckling portion is provided, and the buckling portion may be provided in the middle of the socket joint portion in the second direction B.

Fig. 3 shows an optical module in a first embodiment of the present invention, and as shown in fig. 3, the optical module 200 includes a housing, an optical transceiver module 6 disposed in the housing, a conductive sealing device for the optical module, and other components. In order to facilitate the installation of the optical transceiver module 6 and other devices, the housing includes a base 51 and a cover 52, the base 51 is provided with a receiving slot 511 for receiving the optical transceiver module 6 and other devices, and a blocking wall 512, and the base 51 and the cover 52 are locked by a locking structure.

The locking structure may include screw holes 71 respectively disposed on the base 51 and the cover 52, and screws 72 inserted into the screw holes 71 of the base 51 and the cover 52 and engaged with the base 51 and the cover 52. In other embodiments, the screw holes and screws of the locking structure can be replaced by bolt holes and bolts.

The optical transceiver module 6 includes two optical ports 61, the base 51 and the cover 52 are locked by a locking structure, the screw hole 71 on the base 51 corresponds to the middle of the accommodating groove 511, that is, when the optical transceiver module 6 is installed in the accommodating groove 511 of the base 51, the screw hole 71 on the base 51 corresponds to the two optical ports 61, the blocking wall 512 is located on one side of the screw hole 71 away from the optical ports 61, and the inner wall of the cover 52 is disposed in a plane.

The conductive sealing device for an optical module of the present embodiment adopts the conductive sealing device for an optical module of the second embodiment described above. In the assembling stage, the two sleeve-joint portions are correspondingly sleeved on the two optical ports 61 of the optical transceiver module 6, then the assembly of the optical transceiver module 6 and the conductive sealing device for the optical module is installed at a corresponding position in the accommodating groove 511 of the base 51, the fastening port of the fastening portion corresponds to the screw hole 71 on the base 51 and is located above the screw hole 71, the end wall surface of the fastening portion far away from the optical port side is tightly attached to the blocking wall 512, and the second end of the sleeve-joint portion is attached to the inner wall surface of the base, namely, the bottom surface of the accommodating groove 511.

The cover 52 is correspondingly mounted on the base 51, and is screwed into the screw holes 71 of the cover 52 and the base 51 through the screws 72, at this time, the fastening portion is located between the cover 52 and the base 51 and is tightly fitted with the screws 72, so as to seal the gap between the screws 72 and the base 51 and the cover 52. Meanwhile, the first end of the socket 1 is attached to the inner wall surface of the cover 52, and the gap between the optical transceiver module 6 and the base 51 and the cover 52 is sealed.

Further, the height of the sleeve portion, i.e. the distance between the first end and the second end of the sleeve portion, is slightly larger than the distance between the inner wall surface of the base 51 and the inner wall surface of the cover 52, so that the two ends of the sleeve portion are in closer contact with the base 51 and the cover 52, and the sealing effect is better. The thickness of the buckling part is slightly larger than the distance between the end face corresponding to the screw hole 71 of the base 51 and the end face corresponding to the screw hole 71 of the cover 52, so that the buckling part is in closer contact with the base 51 and the cover 52, and the sealing effect is better.

Fig. 4 shows an optical module in a second embodiment of the present invention, and as shown in fig. 4, the optical module 200a is different from the optical module 200 in the first embodiment in that the optical transceiver module 6a includes an optical port 61a, the base 51a and the cover are locked by two locking structures, and the positions of two screw holes 71a on the base 51a and the cover respectively correspond to two sides of the optical port 61 a.

The conductive sealing device for an optical module of the present embodiment employs the conductive sealing device for an optical module of the third embodiment.

The optical module in the third embodiment of the present invention is different from the optical module 200 in the first embodiment in that the base and the cover are locked by two locking structures, and two screw holes on the base and the cover are respectively located at two sides of the optical transceiver module 6.

The internal face of lid is sunken cambered surface setting in two light mouthful corresponding departments with light receiving and dispatching subassembly, and the quantity of cambered surface corresponds with the quantity of light mouthful, and the internal face of lid is equipped with two cambered surfaces promptly, and these two cambered surfaces are used for respectively corresponding with two light mouths.

The conductive sealing device for an optical module of the present embodiment employs the conductive sealing device for an optical module 100 of the first embodiment described above. In the assembly stage, when the cover body and the base are locked through screws, the convex ribs are tightly attached to the cambered surface of the inner wall surface of the cover body.

It is understood that the conductive sealing device for an optical module according to the present invention is applicable to an optical module similar to the structure of the present invention in the prior art, and the structure of the optical module is common knowledge in the art and will not be described in detail herein.

In the utility model, the conductive sealing device for the optical module is arranged in the optical module, so that the gaps among the optical transceiver module, the base and the cover body and the gaps among the locking structure, the base and the cover body are sealed, and the electromagnetic shielding and protecting effects are achieved, thereby preventing electromagnetic wave leakage and improving the performance of the optical module; in addition, the conductive sealing device for the optical module is of an integrally formed structure, so that the conductive sealing device is convenient to mount and dismount, and the production efficiency of the optical module is effectively improved; meanwhile, the buckling part can prevent the problems of looseness and infirm installation of the screw.

It is to be understood that the foregoing examples, while indicating the preferred embodiments of the utility model, are given by way of illustration and description, and are not to be construed as limiting the scope of the utility model; it should be noted that, for those skilled in the art, the above technical features can be freely combined, and several changes and modifications can be made without departing from the concept of the present invention, which all belong to the protection scope of the present invention; therefore, all equivalent changes and modifications made within the scope of the claims of the present invention should be covered by the claims of the present invention.

Claims

1. The conductive sealing device for the optical module is characterized by comprising a sleeve joint part (1) and a buckling part (2) connected with the sleeve joint part (1), wherein the sleeve joint part (1) is provided with a sleeve joint port (11), the buckling part (2) is provided with a buckling interface (21), and the opening direction of the buckling interface (21) is perpendicular to the opening direction of the sleeve joint port (11); the sleeving part (1) and the buckling part (2) are of an integrally formed structure and are made of elastic conductive materials.

2. The conductive sealing device for optical modules according to claim 1, wherein there are two sockets (1), and the two sockets (1) are arranged side by side and connected to each other.

3. The conductive sealing device for an optical module according to claim 1 or 2, wherein the socket part (1) includes a first end (12) and a second end (13) in a first direction a, the first end (12) and the second end (13) are disposed opposite to each other, and the fastening part (2) is disposed on the first end (12) of the socket part (1).

4. The conductive sealing device for an optical module according to claim 3, wherein the end surface of the first end (12) is planar, and the end surface of the end of the buckling part (2) far away from the second end (13) is flush with the end surface of the first end (12).

5. The electrically conductive sealing arrangement for a light module according to claim 1 or 2, characterized in that the socket (1) comprises a first side (14) and a second side (15) in a second direction B, the first side (14) being arranged opposite to the second side (15);

the number of the buckling parts (2) is two, and the two buckling parts (2) are respectively located on the first side (14) and the second side (15) of the sleeving part (1).

6. The conductive sealing device for the optical module according to claim 5, wherein a side wall surface of the side of the buckling part (2) far away from the socket part (1) is arranged in a plane.

7. The electrically conductive sealing arrangement for a light module according to claim 2, characterized in that the socket (1) comprises a first end (12) and a second end (13) in a first direction a, the first end (12) being arranged opposite to the second end (13);

the two sleeve-joint parts (1) are connected through the connecting part (3), the connecting part (3) is connected with the first end (12) of the sleeve-joint part (1), and one end face of the second end (13) of the sleeve-joint part (1), which is far away from the connecting part (3), is flush with the first end (12) of the sleeve-joint part (1).

8. The conductive sealing device for an optical module according to claim 3, wherein a rib (4) is provided on the socket part (1), and the rib (4) protrudes outward from the end face of the first end (12) of the socket part (1).

9. The conductive sealing device for an optical module according to claim 1, wherein the socket (1) is annularly arranged, and the socket (11) is circular; the buckling part (2) is annularly arranged, the buckling port (21) is circular, and the diameter of the buckling port (21) is smaller than that of the sleeve joint (11).

10. An optical module, comprising a housing, an optical transceiver module disposed in the housing, and the conductive sealing device (100) for an optical module of any one of claims 1 to 9, wherein the housing comprises a base and a cover, and the base and the cover are locked by a locking structure;

the sleeve joint part (1) is sleeved on the optical port of the optical transceiver component through the sleeve joint port (11) and is used for sealing the gap between the optical transceiver component and the base as well as the cover body, and the buckling part (2) is buckled on the locking structure through the buckling port (21) and is used for sealing the gap between the locking structure and the base as well as the cover body.