CN220107065U - Coaxial interface type SFP electric port module - Google Patents

Abstract

The utility model relates to the field of photoelectric communication, in particular to a coaxial interface type SFP electric port module; the electric port module comprises a shell and a circuit assembly arranged in the shell, wherein the circuit assembly comprises a PCBA plate and a coaxial connector, the PCBA plate is arranged in the shell, a first positioning structure is arranged on the coaxial connector, a second positioning structure is arranged on the PCBA plate, and the coaxial connector is arranged on the PCBA plate and is matched with the second positioning structure in a positioning mode through the first positioning structure. The circuit component is arranged in the shell and comprises a coaxial connector, so that the use requirement of an electric port module of a coaxial interface is met; and set up looks adaptation's first location structure and second location structure on coaxial connector, the PCBA board, can prevent that coaxial connector from rotating on the horizontal plane in the welding process for it can be quick accurate be connected with the PCBA board, improves the accuracy and the installation rate of installation.

Description

Coaxial interface type SFP electric port module

Technical Field

The utility model relates to the field of photoelectric communication, in particular to a coaxial interface type SFP electric port module.

Background

The interface types of the common communication modules are mostly optical ports, and the common types include SC type, LC type, FC type and the like. With the development of communication technology, the electrical port module is also applied, and a connector of the electrical port module in common use is an RJ45 connector, but in some special occasions, an electrical module with some coaxial interfaces is required, so that the use requirement cannot be met. The traditional communication module is usually formed by connecting an optical device and a PCB (printed circuit board) through a flexible board, so that the assembly of the optical device is not constrained by the positioning characteristics of the PCB; and the optical device is packaged inside the structural member, so that the design of the pull ring is facilitated.

The coaxial connector of the coaxial interface electric module is connected with the PCBA board in a hard mode, signal pins of the coaxial connector are directly welded on the PCBA board, the problem that the coaxial connector and the PCBA board are difficult to position exists, the position of the coaxial connector on the PCBA board cannot be guaranteed, and welding fixtures are needed to assist when the coaxial connector and the PCBA board are welded, so that the assembly process is complex, and the time consumption is long; and the space between the pull ring and the connector is smaller, so that the coaxial line is inconvenient to insert and extract from the connector. Therefore, a coaxial interface type SFP electrical port module structure is needed to solve the above-mentioned problems.

Disclosure of Invention

In order to solve the problems, the utility model provides a coaxial interface type SFP electric port module which comprises a shell and a circuit assembly arranged in the shell, wherein the circuit assembly comprises a PCBA board and a coaxial connector, the PCBA board is arranged in the shell, a first positioning structure is arranged on the coaxial connector, a second positioning structure is arranged on the PCBA board, and the coaxial connector is arranged on the PCBA board and is in positioning fit with the first positioning structure and the second positioning structure.

Further, one end of the coaxial connector is provided with a limiting flange, the limiting flange is provided with a mounting part connected with the PCBA board, and the other end of the coaxial connector extends out of the shell; the mounting part is provided with the first positioning structure and signal pins welded with the PCBA board.

Further, the first positioning structure comprises at least two positioning columns, and the second positioning structure comprises positioning holes matched with the positioning columns.

Further, the first positioning structure further comprises a positioning surface attached to the PCBA board, the positioning surface is an end surface of the mounting portion, which is in contact with the PCBA board, and the positioning column is arranged on the positioning surface.

Further, the installation part is in an inverted U shape, the signal pins are arranged at the top ends of the inverted U shape, and the first positioning structures are arranged on two end pins of the inverted U shape.

Further, an external thread is arranged on the outer side of the coaxial connector, the external thread extends towards the limiting flange, and a stainless steel ring is connected to the coaxial connector in a threaded mode.

Further, two coaxial connectors are arranged on the PCBA board, and the two coaxial connectors are arranged on the PCBA board side by side.

Further, the novel lock comprises an unlocking mechanism used for unlocking the connection of the shell and the cage, the unlocking mechanism comprises a handle, the handle is movably arranged on the shell, a handheld portion is arranged at one end of the handle, an unlocking push block is arranged at one end, away from the handheld portion, of the handle, and a push head which is upwards tilted is arranged at one end, away from the handheld portion, of the unlocking push block.

Further, a placement groove for accommodating a spring is formed in the handle, the placement groove extends in the direction from the handheld portion to the unlocking push block, and a stop block connected with the shell is arranged at one end, away from the unlocking push block, of the spring.

Further, the device also comprises an EMI spring piece, wherein the EMI spring piece is arranged outside the shell.

Compared with the prior art, the utility model has the following beneficial effects due to the adoption of the technical scheme:

1) The coaxial interface type SFP electric port module provided by the utility model is characterized in that the circuit component is arranged in the shell and comprises a coaxial connector, so that the use requirement of the coaxial interface type SFP electric port module is met; the coaxial connector and the PCBA board are provided with the first positioning structure and the second positioning structure which are matched with each other, so that the coaxial connector can be prevented from rotating on a horizontal plane in the welding process, and can be quickly and accurately connected with the PCBA board, and the installation accuracy and the installation rate are improved;

2) According to the coaxial interface type SFP electric port model, the limiting flange and the locating surface of the coaxial connector are in contact with the end face and the upper surface of the PCBA, so that accurate locating is ensured, and meanwhile, the reliability of connection between the coaxial connector and the PCBA can be improved;

3) The coaxial interface type SFP electric port module provided by the utility model has the advantages that the unlocking mechanism is simple in structure, the handle is of an integrated structure, the mechanical damage in the operation process can be reduced, and the space in the width direction can be saved by the handle; the handle can be made of plastic, has plasticity, can ensure that the coaxial connector is inserted into and pulled out of the coaxial connector, has enough space, and can be inserted and pulled out smoothly.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an exploded view of a coaxial interface SFP electrical port module of the present utility model;

FIG. 2 is a schematic diagram of a coaxial connector of a coaxial interface SFP electrical port module of the present utility model;

FIG. 3 is a schematic diagram of circuit components of a coaxial interface SFP electrical port module of the present utility model;

FIG. 4 is a schematic diagram of circuit components of a coaxial interface SFP electrical port module of the present utility model;

FIG. 5 is a schematic diagram of a pull handle of a coaxial interface SFP electrical port module of the present utility model;

FIG. 6 is a schematic diagram of the bottom of the base of the coaxial interface SFP electrical port module of the present utility model;

FIG. 7 is a partial schematic view of the base bottom of the coaxial interface SFP electrical port module of the present utility model;

FIG. 8 is a schematic diagram of a handle and base of a coaxial interface SFP electrical port module of the present utility model;

FIG. 9 is a schematic diagram of the interior of the base of the coaxial interface SFP electrical port module of the present utility model;

FIG. 10 is a schematic view of the inside of the upper cover of the coaxial interface SFP electrical port module of the present utility model;

fig. 11 is a schematic view of the outside of the upper cover of the coaxial interface SFP electrical port module of the present utility model.

1-a base; 11-a chute; 12-clamping buckle; 13-grooves; 14-a first limit groove; 15-a first limit column; 16-a second limit column; 2-an upper cover; 21-a second limit groove; 22-a third limit groove; 23-lapping; 24-second identification; 3-PCBA board; 31-positioning holes; 32-limiting holes; a 4-coaxial connector; 41-limiting flanges; 42-mounting part; 43-signal pin; 44-positioning columns; 45-positioning surface; 46-external threads; 47-stainless steel ring; 5-a handle; 51-a hand-held part; 52-unlocking the push block; 53-pushing head; 54-connection; 55-springs; 56-a placement groove; 57-stop; 58-anti-slip bosses; 59-first identification; 6-pressing plates; 7-an EMI spring piece; 8-screw.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making creative efforts based on the embodiments of the present utility model are included in the protection scope of the present utility model. In the drawings, the size and relative sizes of certain parts may be exaggerated for clarity.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected" and "coupled" should be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be used in any form, such as directly or indirectly through an intermediate medium, or may be used in any form of communication between two elements or in any form of interaction between two elements, and the terms are specifically understood by those of ordinary skill in the art.

In the description of the present utility model, the terms "upper", "lower", "left", "right", "front", "rear", "center", "horizontal", "vertical", "top", "bottom", "inner", "outer", and the like are orientation or positional relationships based on those shown in the drawings, merely for convenience of description and simplicity of operation, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, in the description of the present utility model, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not necessarily for indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Furthermore, features defining "first", "second" may include one or more such features, either explicitly or implicitly.

As shown in fig. 1 of the specification, the utility model provides a coaxial interface type SFP electric port module, which comprises a shell and a circuit assembly arranged in the shell, wherein the shell comprises a base 1 and an upper cover 2 which are detachably connected, a containing cavity for containing the circuit assembly is formed between the upper cover 2 and the base 1, the circuit assembly comprises a PCBA plate 3 and a coaxial connector 4, the PCBA plate 3 is arranged in the shell, a first positioning structure is arranged on the coaxial connector 4, a second positioning structure is arranged on the PCBA plate 3, and the coaxial connector 4 is arranged on the PCBA plate 3 and is in positioning fit with the first positioning structure and the second positioning structure.

Specifically, the coaxial connector 4 is preferably an SAA coaxial connector, the coaxial connector 4 is electrically connected with the PCBA board 3, the coaxial connector 4 can be used for being inserted into a coaxial line for use, and the PCBA board is also provided with other electronic components according to requirements, and the other electronic components are all positioned in a containing cavity formed by the base 1 and the upper cover 2 in a surrounding manner; the assembly process of the electric port module comprises the steps of installing the coaxial connector 4 on the PCBA board 3, then installing the PCBA board 3 on the base 1, and covering the upper cover 2 on the base 1 to complete the assembly.

In an optimized embodiment, one end of the coaxial connector 4 is connected with the PCBA board 3, the other end extends out of the housing, as shown in fig. 2-4 of the specification, which is a schematic diagram of a circuit assembly, and one end of the coaxial connector 4 connected with the PCBA board 3 is called front end, the other end is called rear end, the front end of the coaxial connector 4 is provided with a limit flange 41, the limit flange 41 is provided with an installation part 42 connected with the PCBA board 3, and one end of the coaxial connector 4 far away from the installation part 42 extends out of the housing; the mounting portion 42 is provided with the first positioning structure and signal pins 43 welded to the PCBA board 3.

Specifically, the coaxial connector 4 is provided at an end of the PCBA board 3, and after the coaxial connector is mounted on the PCBA board 3, the mounting portion 42 is positioned on an upper surface of the PCBA board 3, and the limit flange 41 abuts against an end surface of the PCBA board 3; the signal pins 43 on the coaxial connector 4 are welded on the bonding pads of the PCBA board 3, so that the connection between the coaxial connector 4 and the PCBA board 3 is realized, and at least one signal pin 43 is arranged on the coaxial connector 4.

In an optimized embodiment, the first positioning structure comprises at least two positioning columns 44, namely, at least two positioning columns 44 extending towards the PCBA plate 3 are arranged on the mounting portion 42, the second positioning structure comprises positioning holes 31 adapted with the positioning columns, the PCBA plate 3 is provided with positioning holes 31 adapted with the positioning columns 44, the positioning columns 44 are adapted with the positioning holes 31 on the PCBA plate 3, the coaxial connector 4 is arranged on the PCBA plate 3, the positioning columns extend into the positioning holes of the PCBA plate 3, the coaxial connector 4 can be positioned, the positioning columns 44 can be welded with the PCBA plate 3 to serve as signal ground pins, can not be welded with the PCBA plate 3, and can be arranged according to actual requirements.

In an optimized embodiment, the first positioning structure further includes a positioning surface 45 attached to the PCBA board 3, the mounting portion 42 and an end surface contacted with the PCBA board 3 form the positioning surface 45, the positioning columns 44 are disposed on the positioning surface 45, and after the positioning columns 44 are inserted into the positioning holes 31 of the PCBA board 3, the positioning surface 45 on the mounting portion 42 contacts with the PCBA board 3.

Specifically, as shown in fig. 3 of the specification, two coaxial connectors 4 are disposed on the PCBA board 3, the two coaxial connectors 4 are disposed on the PCBA board 3 side by side, one coaxial connector is used as a signal input end, and the other coaxial connector is used as a signal output end; the signal pins 43 are welded on the PCBA board 3 through the coaxial connector 4 and the first positioning structure and the second positioning structure on the PCBA board to finish the installation of the coaxial connector 4, the positioning feature of the coaxial connector 4 after being welded with the PCBA board 3 comprises two parts, and the first part is a limiting flange 41 of the coaxial connector 4 and is used for determining the assembly size of the coaxial connector 4 and other structural parts; the second part is a limiting hole 32 on the PCBA board 3 for ensuring the SFPMSA protocol size of the golden finger tip. In the utility model, the positioning column 44 on the coaxial connector 4 is in fit connection with the positioning hole 31 on the PCBA board 3, so that the relative dimension A1 in the horizontal direction between the limiting flange 41 and the limiting hole 32 is ensured; and the positioning surface 45 can ensure the relative dimension A2 in the height direction between the coaxial connector and the PCBA board 3, and realize the quick positioning of the PCBA board 3 and the coaxial connector 4 on the premise of ensuring the relative positions of the two, thereby realizing quick assembly. And two reference columns on the first location structure can prevent that the connector from rotating on the horizontal plane in the welding process, need not welding jig's assistance, can accomplish the welding, can not only guarantee the relative position of PCBA board 3 and coaxial connector 4, and can guarantee the depth of parallelism between two coaxial connectors 4.

In an optimized embodiment, the mounting portion 42 is inverted U-shaped, the limiting flange 41 extends out of the mounting portion 42, the signal pin 43 is disposed at the top end of the inverted U-shape, two ends of the inverted U-shape form the positioning surface 45, and positioning columns 44 are disposed on both the positioning surfaces 45.

In an optimized embodiment, the outer side of the coaxial connector 4 is provided with an external thread 46, the external thread 46 extends towards the direction of the limit flange 41 and extends to the end surface of one side of the limit flange away from the mounting part, the coaxial connector 4 is connected with a stainless steel ring 47 in a threaded manner, the stainless steel ring 47 can rotate along the external thread, on one hand, the coaxial connector can be used for fixing the connector and preventing shaking, on the other hand, the coaxial connector can be contacted with the base 1 after the stainless steel ring 47 is screwed, the connector is communicated with the base, and the function of optimizing EMC is achieved.

In an optimized embodiment, the electric port module of the utility model further comprises an unlocking mechanism for unlocking the connection between the shell and the cage, the unlocking mechanism comprises a handle 5, as shown in fig. 5 of the specification, the handle 5 is movably arranged on the base 1, one end of the handle 5 is provided with a hand-held part 51, one end of the handle 5, which is far away from the hand-held part 51, is provided with an unlocking push block 52, and one end of the unlocking push block 52, which is far away from the hand-held part 51, is provided with a push head 53 which is tilted upwards. Preferably, the handle 5 is made of plastic material and is integrally formed, and has a certain elasticity, and can deform and recover deformation.

Specifically, the handle is made of plastic materials, has plasticity, can deform and tilt during the process of inserting and extracting the coaxial wire into and from the connector, and can automatically recover after the operation is finished, so that the coaxial wire can be ensured to be inserted into the coaxial connector and have enough space, and the coaxial wire can be smoothly inserted into and extracted from the connector.

In a refinement, as shown in fig. 6-8 of the specification, a chute 11 is provided at the bottom of the base 1, a connection part 54 is provided between the hand-held part 51 of the handle 5 and the unlocking push block 52, the connection part 54 is located in the chute 11, the handle 5 is pulled outwards, the connection part 54 can move in the chute 11, a buckle 12 for fixing with a cage is further provided on the base 1, a tongue piece of the cage abuts against the buckle 12 of the base 1, the fixation of the module housing and the cage can be realized, a groove 13 for accommodating a push head 53 of the unlocking push block 52 is further provided on the base 1, when the base 1 is locked with the cage, the push head 53 is located in the groove 13, the upper end part of the push head 53 is flush with the base 1, at this time, the buckle 12 of the base 1 can lock the cage, the handle 5 is pulled outwards, the push head 53 moves out from the groove 13, the push head 53 is gradually higher than the base 1, the tongue piece of the cage can be lifted up, and the module can be unlocked smoothly.

In an optimized embodiment, two unlocking push blocks 52 are arranged on the handle 5, the two unlocking push blocks 52 are arranged in parallel, the two unlocking push blocks 52 are positioned at two ends of the buckle of the base 1, and when the handle is in a locking state, push heads 53 on the unlocking push blocks 52 are arranged in parallel with the buckle; of course, in some embodiments, an unlocking push block 52 may be disposed on the handle 5.

In an optimized embodiment, the connecting portion 54 of the handle 5 is provided with a placement groove 56 for accommodating the spring 55, the placement groove 56 extends along the direction from the hand-held portion 51 to the unlocking push block 52, one end of the spring 55 away from the unlocking push block 52 is provided with a stop block 57 connected with the base 1, specifically, the stop block is connected with the base, one end of the spring is connected with the stop block, the other end of the spring is connected with the placement groove, the handle is pulled outwards, the handle compresses the spring, the push head can realize unlocking, and after unlocking is completed, the handle can be restored to the original position under the elastic action of the spring.

According to the refined embodiment, the base 1 is further connected with the pressing plate 6, the pressing plate 6 is located on the outer side of the base sliding groove 11, the handle 5 is located between the pressing plate 6 and the base 1, the handle 5 can be limited, the handle 5 can move on the base 1 conveniently, unlocking operation is achieved, and the pressing plate 6 is connected with the base 1 in a buckled mode or connected through bolts.

In an optimized embodiment, anti-slip bosses 58 are arranged on the upper surface and the lower surface of the hand holding part 51 of the handle 5, and the anti-slip bosses 58 are arc-shaped to prevent the handle from being taken off in the unlocking process of the module.

In an optimized embodiment, the first mark 59 for marking the speed is further arranged on the handle 5, so that the speed of the module can be quickly identified through the handle 5, and the speed is convenient to use.

In an optimized embodiment, as shown in fig. 9 of the specification, a first limit groove 14 and a first limit post 15 are disposed on the inner side of the base 1, the first limit groove 14 is used for accommodating the coaxial connector 4, and the outer side of the first limit groove 14 is communicated with the outside, the first limit post 15 is matched with a limit hole 32 on the PCBA board 3, after the coaxial connector 4 is mounted on the PCBA board 3, the PCBA board 3 is placed into the base, preferably, in order to make the PCBA board 3 smoothly placed into the base, the appearance of the PCBA board 3 is matched with the inner side of the base 1, and a positioning design is disposed on the coaxial connector 4 and the PCBA board 3, so that the coaxial connector and the PCBA board can be smoothly placed into the base after being welded, and various size requirements are met.

In an optimized embodiment, the base 1 is further provided with a second limiting column 16, as shown in fig. 10-11 of the specification, a second limiting groove 21 is formed in the inner side of the upper cover 2, the second limiting groove 21 is correspondingly arranged with the first limiting groove 14, a chamber for accommodating the coaxial connector 4 is formed between the second limiting groove 21 and the first limiting groove 14, the upper cover 2 is further provided with a third limiting groove 22 adapted to the base second limiting column 16, and the side edge of the upper cover 2 is further provided with a scrap (lap) 23, so that the EMI performance of the module can be optimized.

In an optimized embodiment, the upper cover 2 is further provided with a second identifier 24 of the coaxial interface, which is used for marking input and output, and the second identifier corresponds to the position setting of the coaxial connector.

In an optimized embodiment, the upper cover and the base are further provided with a plurality of reinforcing ribs for improving the strength of the shell.

The upper cover and the base are fixed through screws 8, and mounting holes for mounting the screws are formed in corresponding positions of the upper cover and the base.

The optimized implementation manner further comprises an EMI spring piece 7, wherein the EMI spring piece 7 is arranged on the outer side of the shell, and specifically, the base and the upper cover are provided with mounting positions for mounting the EMI spring piece 7. The assembly process of the module comprises the steps of installing an unlocking mechanism, installing a pressing plate, installing a base assembly, installing a welded coaxial connector and a PCBA board into a base, covering an upper cover, driving a screw 8, and finally installing an EMI spring piece 7, thereby completing the module assembly.

And all that is not described in detail in this specification is well known to those skilled in the art.

It will be appreciated by those skilled in the art that the utility model can be embodied in many other specific forms without departing from the spirit or scope of the utility model. Although an embodiment of the present utility model has been described, it is to be understood that the utility model is not limited to this embodiment, and that variations and modifications may be effected by one skilled in the art within the spirit and scope of the utility model as defined in the appended claims.

Claims (10)

1. The utility model provides a coaxial interface formula SFP electric port module, includes the casing and installs the circuit subassembly in the casing, its characterized in that, circuit subassembly includes PCBA board and coaxial connector, the PCBA board sets up in the casing, be equipped with first location structure on the coaxial connector, be equipped with second location structure on the PCBA board, coaxial connector installs on the PCBA board and through first location structure with second location structure carries out location cooperation.

2. The coaxial interface type SFP electrical port module according to claim 1, wherein one end of the coaxial connector is provided with a limit flange, the limit flange is provided with a mounting part connected with the PCBA board, and the other end of the coaxial connector extends out of the housing; the mounting part is provided with the first positioning structure and signal pins welded with the PCBA board.

3. The coaxial interface SFP electrical port module of claim 2, wherein the first positioning structure comprises at least two positioning posts and the second positioning structure comprises positioning holes that are adapted to the positioning posts.

4. The coaxial interface SFP electrical port module of claim 3, wherein the first positioning structure further comprises a positioning surface that is in contact with the PCBA board, the positioning surface being an end surface of the mounting portion that is in contact with the PCBA board, the positioning posts being disposed on the positioning surface.

5. The coaxial interface SFP electrical port module of claim 2, wherein the mounting portion is inverted U-shaped, the signal pins are disposed at top ends of the inverted U-shape, and the first positioning structure is disposed on two end pins of the inverted U-shape.

6. The coaxial interface type SFP electrical port module as claimed in claim 2, wherein an external thread is provided on an outer side of the coaxial connector, the external thread extends toward the limit flange, and a stainless steel ring is screwed on the coaxial connector.

7. The coaxial interface SFP electrical port module as recited in claim 1 wherein two of the coaxial connectors are disposed on the PCBA board, the two coaxial connectors being disposed side-by-side on the PCBA board.

8. The coaxial interface SFP electrical port module of claim 1, further comprising an unlocking mechanism for unlocking the housing to connect with the cage, the unlocking mechanism comprising a handle movably disposed on the housing, one end of the handle being provided with a hand-held portion, one end of the handle remote from the hand-held portion being provided with an unlocking push block, one end of the unlocking push block remote from the hand-held portion having a push head that swings upward.

9. The coaxial interface SFP electrical port module of claim 8, wherein the pull handle is provided with a placement slot for receiving a spring, the placement slot extending in a direction from the handle to the unlocking push block, and wherein an end of the spring remote from the unlocking push block is provided with a stop connected to the housing.

10. The coaxial interface SFP electrical port module of claim 1, further comprising an EMI dome disposed outside the housing.