CN204257915U - Electric connector and metal shell thereof - Google Patents

Abstract

The utility model provides an electric connector and a metal shell thereof. The electric connector comprises an insulating body, a conductive terminal mounted on the insulating body and a metal shell mounted on the insulating body. The metal shell is provided with Top wall, bottom wall, rear wall, two side walls and partitions, the top wall, bottom wall, rear wall and two side walls form a cavity, and several partitions divide the cavity into several side-by-side The sockets are used to insert several docking plugs. There are strip-shaped shrapnel pieces between the rear end and the rear wall of some of the partitions. There are spaced posts clamped between the rear end of the partition board and the rear wall, and elastic sheets extending obliquely from both sides of the spaced post to the socket for supporting the docking plug. In such a configuration, the strip-shaped elastic sheet can form all the elastic sheets integrally on the same sheet, which is convenient for manufacture and assembly.

Description

Electrical connector and its metal housing

technical field

The utility model relates to an electric connector and a metal shell thereof, in particular to an SFP electric connector and a metal shell thereof.

Background technique

Currently, SFP receptacle electrical connectors with multi-plug interfaces are used in more and more devices to simultaneously plug in several small form-factor pluggable (SFP) modules. The SFP receptacle electrical connector of the multi-plug interface includes a metal cavity and a number of walls located outside the metal, the walls include a top wall, a bottom wall, a rear wall and two side walls, and a number of walls are also arranged in the metal cavity. The partitions arranged parallel to the two side walls or parallel to the top wall and the bottom wall at intervals divide the metal cavity into several sockets arranged side by side or up and down for the insertion of several SFP modules. The rear end of the socket is provided with an elastic sheet for resisting the SFP module to facilitate the extraction of the SFP module, and the elastic sheet is separately manufactured and installed on the rear end of the socket respectively, so that the structure is complicated, the assembly is inconvenient, and the It is beneficial to improve the efficiency of manufacturing and assembly.

Therefore, it is necessary to improve the prior art to overcome the above technical defects.

Utility model content

The purpose of the utility model is to provide an electric connector and its metal shell which are easy to manufacture and assemble.

In order to achieve the purpose of the above utility model, the utility model provides a metal housing for an electrical connector, including a top wall, a bottom wall, a rear wall, two side walls and a partition, the top wall, bottom wall, rear wall and two The side wall forms a cavity, and several partitions divide the cavity into several sockets arranged side by side for plugging in several docking plugs, and a strip-shaped shrapnel is provided between the rear end and the rear wall of several partitions. The shrapnel piece is provided with a beam spanning several partitions, a spacer column extending laterally from the beam and clamped between the rear end and the rear wall of the spacer, and inserting from both sides of the spacer column into the interface. The elastic piece extending obliquely is used to resist the docking plug.

Further, the spacer is sandwiched between the side wall and the rear wall, and the spacer between the side wall and the rear wall extends laterally and is bent with a mounting bracket for buckling on the outside of the side wall. department.

Further, a hollow installation groove is interposed between the side wall and the rear wall, and the installation part passes through the installation groove from the spacer and is buckled on the outside of the side wall.

For realizing above-mentioned utility model purpose, the utility model also can adopt following technical scheme:

An electrical connector, comprising an insulating body, a conductive terminal mounted on the insulating body, and a metal shell mounted on the insulating body, the metal shell is provided with a top wall, a bottom wall, a rear wall, two side walls and a partition The top wall, the bottom wall, the rear wall and the two side walls form a cavity, and a plurality of partitions divide the cavity into a plurality of sockets arranged side by side for inserting a plurality of docking plugs, and a plurality of the partitions A strip-shaped shrapnel is provided between the rear end of the partition and the rear wall. The shrapnel is provided with beams spanning several partitions, extending laterally from the cross beam and clamped at intervals between the rear end of the partition and the rear wall. The spacer between the spacer and the elastic piece extending obliquely from both sides of the spacer into the socket for supporting the docking plug.

Further, the spacer is sandwiched between the side wall and the rear wall, and the spacer between the side wall and the rear wall extends laterally and is bent with a mounting bracket for buckling on the outside of the side wall. department.

Further, a hollow installation groove is interposed between the side wall and the rear wall, and the installation part passes through the installation groove from the spacer and is buckled on the outside of the side wall.

Further, the separator is provided with a main body, an insertion tab further extending from the rear end of the main body, an extension convex portion further extending from the rear end of the main body below the insertion tab, and a laterally bent portion from the extension protrusion. After the elongated bolt extending upwards, the rear wall is provided with a long and narrow insertion slot for inserting the tab and the extension protrusion from bottom to top, and a slot for the insertion pin located above the extension end of the insertion slot. The arched bridge-shaped piercing ears are inserted from bottom to top, and the piercing lugs push upwards against the extension ends of the slots.

Further, the spacer is clamped between the main body above the penetrating tab of the partition and the rear wall.

Further, the rear wall is provided with two parallel through grooves, and the insertion ear is located between the through grooves and formed by punching and arching the rear wall.

Further, the electrical connector is a multi-socket SFP electrical connector arranged side by side.

Compared with the prior art, the utility model arranges strip-shaped elastic pieces between the rear ends and the rear wall of several partitions of the electrical connector and its metal housing, and the elastic pieces are provided with beams spanning several partitions. , a spacer column extending laterally from the crossbeam and arranged at intervals and clamped between the rear end of the partition board and the rear wall, and an elastic piece extending obliquely from both sides of the spacer column to the socket to resist the docking plug, the said The strip-shaped elastic sheet can make all the elastic sheets integrally formed on the same sheet, which is convenient for manufacture and assembly.

Description of drawings

Fig. 1 is a three-dimensional combined view of the metal housing of the electrical connector of the present invention;

Fig. 2 is a three-dimensional combination diagram of another angle of the metal shell of the electrical connector of the present invention;

Fig. 3 is a three-dimensional combination diagram of another angle of the metal shell of the electrical connector of the present invention;

Fig. 4 is a partially enlarged view of the circled part in Fig. 3;

Fig. 5 is a three-dimensional exploded view of the metal housing of the electrical connector in Fig. 3;

Fig. 6 is a partially enlarged view of the circled part in Fig. 5;

Fig. 7 is a partial three-dimensional assembled view of the top wall separated from the metal shell of the electrical connector of the present invention.

Detailed ways

The utility model will be described in detail below in conjunction with the specific embodiments shown in the accompanying drawings. It should be noted that the embodiments described below do not limit the present utility model, and the structural, method, or functional changes made by those skilled in the art according to these embodiments are included in the protection scope of the present utility model Inside.

Please refer to FIG. 1 to FIG. 3 , which are three-dimensional assembled views of the electrical connector and its metal housing 100 of the present invention. The electrical connector is used to insert a plug module. In this embodiment, the electrical connector is an SFP socket connector. In other embodiments, the electrical connector can be other electrical connectors with a metal shell 100 Connectors, such as other fiber optic connectors, USB connectors, etc.

1 to 7, an electrical connector includes an insulating body (not shown), a conductive terminal (not shown) mounted on the insulating body, and a metal shell 100 mounted on the insulating body. The metal housing 100 is provided with a top wall 11, a bottom wall 4 opposite to the top wall 11, a rear wall 13 clamped between the top wall 11 and the bottom wall 4, two side walls 12 and a partition 3, the top wall The wall 11, the bottom wall 4, the rear wall 13 and the two side walls 12 form a cavity, and the plurality of partitions 3 separate the cavity into a plurality of sockets 1 arranged side by side for inserting a plurality of butt plugs, and a plurality of the spacers Between the rear end 34 of the partition board 3 and the rear wall 13, a strip-shaped elastic piece 2 is provided. The elastic piece 2 is provided with a crossbeam 21 spanning several partition boards 3, and clamping parts extending laterally from the crossbeam 21 and arranged at intervals. The spacer column 22 between the rear end 34 of the partition board 3 and the rear wall 13 and the elastic sheet 23 extending obliquely from both sides of the spacer column 22 into the socket 1 are used to resist the mating plug. In this way, the elastic piece 2 is manufactured and installed with several elastic pieces 23 on the same sheet material, which is easy to manufacture and easy to install.

5 and 7, the spacer 22 is clamped between the side wall 12 and the rear wall 13, and the spacer 22 extends laterally between the side wall 12 and the rear wall 13. And a mounting portion 24 for buckling on the outside of the side wall 12 is bent. In this way, the mounting portion 24 buckled on the outside of the two side walls 12 can prevent the elastic piece 2 from moving in the left and right direction of the electrical connector, and the structure is simple and easy to assemble.

A hollow mounting groove 1213 is interposed between the side wall 12 and the rear wall 13 , and the mounting portion 24 passes through the mounting groove 1213 from the spacer 22 and is locked on the outside of the side wall 12 . In this way, there is a gap at the joint between the side wall 12 and the rear wall 13 for the installation part 24 to pass through, and there is no need to separately create a gap on the side wall 12 , thereby facilitating manufacturing and assembly.

The separator 3 is provided with a main body 31, an insertion tab 37 further extending from the rear end 34 of the main body 31, an extension protrusion 36 further extending from the rear end 34 of the main body 31 below the insertion protrusion 37, and a self-extension protrusion. part 36 is bent to the side and further extends upwards to the elongated bolt 35, and the rear wall 13 is provided with a long and narrow slot part 133 for the insertion of the insertion tab 37 and the extension protrusion 36 from bottom to top. An arched bridge-shaped insertion ear 131 is located above the extension end of the insertion slot 133 for positioning the latch pin 35 from bottom to top, and the insertion tab 37 supports the extension end of the insertion slot 133 upward. In this way, the extension convex part 36 and the insertion tab 37 can be inserted into the insertion slot part 133 so as to limit the movement of the rear end 34 of the main body part 31 of the partition plate 3 in the left and right direction, and the insertion tab 37 supports upward The end of the slot part 133 is extended to limit the upward movement of the rear end 34 of the main body part 31 of the partition board 3; the latch 35 having a bending angle with the main part 31 is inserted into the arch bridge-shaped insertion ear part 131 of the rear wall 13 The rear wall 13 can be stably plugged into the partition 3. For details, please refer to the partial enlarged views of FIG. 4 and FIG. The stable positioning is not easy to be pulled off, so that the partition plate 3 is not easy to be separated from the rear wall 13 .

The rear wall 13 is provided with two parallel through grooves 132 , and the insertion ear 131 is located between the through grooves 132 and formed by stamping the rear wall 13 . In this way, the arch bridge-shaped intersecting ear portion 131 is integrally stamped from the rear wall 13 , the manufacturing process is simple, and metal plates are saved. In other embodiments, the arch-bridge-shaped piercing ear portion 131 may also be formed by welding the rear wall 13 with an arch-bridge-shaped metal sheet that is separately provided.

The pin 35 is located on the side of the main body 31 , and the insertion ear portion 131 is located on the side above the end of the insertion slot 133 . In this way, the pin 35 is bent directly from the end of the extension convex portion 36 to the side, that is, the plug pin 35 and the extension convex portion 36 are the same sheet and can be formed by only one bending, the structure is simple, and the manufacturing convenient. In other embodiments, the bolt 35 may be bent laterally from the extending protrusion 36 , specifically, a part of the bolt 35 is located on the left side of the main body 31 , and another part is located on the right side of the main body 31 . The latch 35 is perpendicular to the main body 31 , and the rear wall 13 is vertically plugged and installed on the partition 3 . In this way, the rear wall 13 and the partition 3 are installed perpendicular to each other, and when the external force pulls the partition 3, the plug 35 perpendicular to the main body 31 is not easy to be flattened so that it is on the same plane as the main body 31 , that is, the partition 3 is not easily pulled from the rear wall 13 by an external force. The pin 35 is provided with an arc-shaped guiding portion 350 located at the end of the extension. With such arrangement, the pin 35 can pass through the arch-bridge-shaped piercing ear 131 more easily, which is easy to assemble.

Specifically, the top wall 11 is provided with a hooking through hole 112 penetrating up and down, and the main body portion 31 of the partition 3 protrudes upwards and extends through the hooking through hole 112 and is further bent to hold the hooking hole 112 downward. The hooking feet 33 of the top wall 11 . In this way, the partition 3 can stably hook the top wall 11 to prevent the separation between the partition 3 and the top wall 11, and the plug-in installation structure between the partition 3 and the top wall 11 is simple and easy to assemble. In other ways, the connection between the top wall 11 and the partition plate 3 may also be other forms of plug-in installation, integral extension or direct welding and holding. In addition, the top wall 11 and the partition are provided with a plurality of cooling holes 5 for heat dissipation.

The bottom wall 4 is provided with a holding hole 41 penetrating up and down. The main body 31 of the separator 3 protrudes downwards and passes through the holding hole 41 for soldering to the holding leg 38 of the circuit board. In this way, the main body 31 can press the bottom wall 4 downward, and after the holding feet 38 are welded to the circuit board, the circuit board can support the bottom wall 4 upwards so as to hold the bottom wall 4 . In other embodiments, the bottom wall 4 and the partition plate 3 may also be installed in other forms, integrally extended or directly welded and fixed.

Please refer to FIG. 5 , the spacer 22 is clamped between the main body 31 and the rear wall 13 above the penetration tab 37 of the partition 3 so that the elastic piece 2 is supported by the penetration tab 37 in the up and down direction. and the stable clamping of the top wall 11, the elastic piece 2 is stably clamped by the rear wall 13 and the rear end 34 of the partition 3 in the front-rear direction. In addition, the partition 3 can make the multi-socket interface connectors arranged side by side be multi-socket interface connectors stacked up and down side by side or multi-socket connectors arranged side by side side by side.

Please refer to FIG. 1 , in this embodiment, the electrical connectors are multi-socket SFP electrical connectors arranged side by side. With such arrangement, the partition plate 3 in the multi-socket SFP electrical connector is not easy to be separated from the rear wall 13, and the structure is simple and easy to assemble. In other embodiments, the electrical connectors are other electrical connectors with multi-plug interfaces arranged side by side, such as USB connectors, other optical fiber connectors, and the like.

It should be understood that although this description is described according to implementation modes, not each implementation mode only contains an independent technical solution, and this description in the description is only for clarity, and those skilled in the art should take the description as a whole, and each The technical solutions in the embodiments can also be properly combined to form other embodiments that can be understood by those skilled in the art.

The series of detailed descriptions listed above are only specific descriptions for the feasible implementation modes of the present utility model, and they are not used to limit the protection scope of the present utility model. Embodiments or modifications should be included within the protection scope of the present utility model.

Claims (10)

1. A metal housing for an electrical connector, comprising a top wall, a bottom wall, a rear wall, two side walls and a partition, wherein the top wall, the bottom wall, the rear wall and the two side walls form a cavity, and several of the partitions The plate divides the cavity into a number of sockets arranged side by side for plugging in a number of butt plugs, which is characterized in that a strip-shaped shrapnel is provided between the rear end and the rear wall of the plurality of partitions, and the shrapnel There are beams spanning several partitions, spacers extending laterally from the beams and clamped at intervals between the rear end of the partitions and the rear wall, and obliquely extending from both sides of the spacer to the socket to resist The elastic piece that holds the mating plug. 2. The metal housing of the electrical connector according to claim 1, wherein the spacer is clamped between the side wall and the rear wall, and the spacer between the side wall and the rear wall The column extends laterally and is bent to have a mounting portion for fastening on the outer side of the side wall. 3. The metal housing of the electrical connector according to claim 2, wherein a hollow mounting groove is interposed between the side wall and the rear wall, and the mounting part passes through the spacer from the spacer. The installation groove is buckled on the outside of the side wall. 4. An electrical connector, comprising an insulating body, a conductive terminal mounted on the insulating body and a metal shell mounted on the insulating body, the metal shell is provided with a top wall, a bottom wall, a rear wall, and two side walls And partitions, the top wall, bottom wall, rear wall and two side walls form a cavity, and several partitions divide the cavity into several sockets arranged side by side for inserting a plurality of docking plugs. It is characterized in that strip-shaped shrapnel pieces are provided between the rear ends of several partitions and the rear wall, and the shrapnel pieces are provided with crossbeams spanning several partition boards, extending laterally from the crossbeams and clamped on the partition boards at intervals. The spacer between the rear end and the rear wall and the elastic piece extending obliquely from both sides of the spacer into the socket for supporting the docking plug. 5. The electrical connector according to claim 4, wherein the spacer is clamped between the side wall and the rear wall, and the spacer between the side wall and the rear wall is laterally Extending and bending, there is a mounting part for fastening on the outside of the side wall. 6. The electrical connector according to claim 5, wherein a hollow installation groove is interposed between the side wall and the rear wall, and the installation part passes through the installation groove from the spacer. Fastens on the outside of the side wall. 7. The electrical connector according to claim 4, wherein the separator is provided with a main body, an insertion tab further extending from the rear end of the main body, and further extending from the rear end of the main body below the insertion tab. The extended convex part and the elongated pin that is bent from the extended convex part to the side and then extended upwards, the rear wall is provided with a narrow and long slot for the insertion tab and the extended convex part to be inserted and positioned from bottom to top part and the arched bridge-shaped insertion ear part above the extension end of the slot part for the insertion and positioning of the latch from bottom to top, and the insertion tab pushes upwards against the extension end of the slot part. 8 . The electrical connector according to claim 7 , wherein the spacer is clamped between the main body above the insertion tab of the spacer and the rear wall. 9. The electrical connector according to claim 7, characterized in that: the rear wall is provided with two parallel through grooves, and the insertion ear is located between the through grooves and is stamped with an outer arch by the rear wall made. 10. The electrical connector according to any one of claims 4 to 9, wherein the electrical connector is a multi-plug SFP electrical connector arranged side by side.