Shielding cage and electrical connector housed in the shielding cage

Abstract

A shielding cage and an electrical connector received in the shielding cage are used to cooperate with an insertion module of a high-speed cable. The shielding cage and the electrical connector are used to be mounted on a circuit board. The shielding cage is provided with a receiving channel. The shielding cage has a top wall, a bottom wall, two side walls and a rear wall that enclose the aforementioned receiving channel. A through hole is provided between the bottom wall and the rear wall. The electrical connector is located inside the shielding cage and protrudes from the through hole to be mounted on the circuit board. The electrical connector is provided with a receiving groove. The receiving groove opens forward and communicates with the receiving channel. The receiving channel of the shielding cage is inclined with respect to the circuit board, so that the cable insertion module can be inserted into the receiving channel obliquely downward and extend into the receiving groove to conductively cooperate with the electrical connector. Through the above design, it is convenient to observe the plugging with the insertion module.

Description

Technical Field

[0001] This application relates to a shielding cage and an electrical connector housed in the shielding cage, and particularly to a shielding cage that facilitates the insertion of a module plug-in and an electrical connector housed in the shielding cage. Background Art

[0002] The inspection interfaces of SFP high-speed socket electrical connector modules in the prior art are all set in the horizontal direction, which is not convenient for observation and plugging. Summary of the Invention

[0003] The technical problem to be solved by this application is to provide a shielding cage and an electrical connector housed in the shielding cage, which can facilitate the insertion and mating of a high-speed cable into a module.

[0004] To achieve the above object, this application provides a shielding cage for mounting on a circuit board. The shielding cage is provided with a receiving channel for mating with an insertion module. The shielding cage has a top wall, a bottom wall, two side walls, and a rear wall that enclose the aforementioned receiving channel. A through hole is provided between the bottom wall and the rear wall for housing the electrical connector. The receiving channel of the shielding cage is inclined with respect to the circuit board, so that the insertion module can be inserted into the receiving channel obliquely downward and conductively mate with the electrical connector. Through the above design, although the structure is slightly more complex than the prior art, it is convenient to use, facilitating observation and the plugging of the insertion module.

[0005] As a further design, the shielding cage includes an upper shielding member and a lower shielding member assembled together. The upper shielding member includes the top wall, the aforementioned two side walls bent downward from both sides of the top wall, and the rear wall bent downward from the rear end of the top wall. The lower shielding member forms the bottom wall. As a further design of the shielding cage, the two side walls are provided with dovetail grooves opening downward, and the bottom wall is provided with dovetail-shaped protrusions extending upward. The protrusions are embedded in the dovetail grooves to prevent the bottom wall from easily detaching from the side walls downward. The shielding cage designed in this way has a simple structure, is convenient to assemble, and has a stable structure.

[0006] As a further design, the lower shielding assembly further includes a baffle bent downward at the front end of the bottom wall and extending perpendicular to the insertion direction of the receiving channel. The shielding cage is provided with a punching opening and a snap structure within the punching opening on the front side of the bottom wall. The lower end of the baffle is bent backward to form a shielding piece. The shielding piece blocks the lower side of the punching opening to prevent the internal structure from being seen, and both sides of the shielding piece are fixed to the two side walls to further strengthen the structural stability of the shielding cage.

[0007] As a further design, the rear end of the bottom wall is bent downward to form a front wall extending vertically downward. The front wall is used to provide complete shielding for the front side of the electrical connector.

[0008] As a further design, the lower side of the front wall is bent forward to form a horizontal support piece, the support piece is supported between the two side walls and buckled with the two side walls, and the front end of the support piece is bent downward to form pins for downward installation on the circuit board. This design has a stable structure, a grounding structure, and good shielding performance.

[0009] As a further design of the front wall, the front wall can also extend downward to form pins for installation on the circuit board. In this design, the grounding length of the bottom wall is short and the high-frequency performance is good.

[0010] As another design of the front wall, the shielding cage further includes a bottom shielding piece, the bottom shielding piece is nested and connected to the lower end of the front wall, the bottom shielding piece includes a horizontal bottom wall that extends forward horizontally and fixes the two side walls, and the front end of the horizontal bottom wall is bent downward to form pins for installation on the aforementioned circuit board. This design is convenient for assembly.

[0011] As a further design, a suction plate is fixed to the top of the shielding cage. The suction plate is provided with a horizontal smooth upper surface to facilitate the installation device to be sucked on the suction plate. The suction plate is made of a high thermal conductivity material, and the top wall is provided with an opening. The lower side of the suction plate extends into the receiving channel to contact the insertion module inserted into the receiving channel for heat conduction and cooling. The suction plate is fixed to the shielding cage by a frame-shaped elastic piece. The suction structure also serves as a cooling structure at the same time, and the suction structure is fixed by a frame-shaped elastic piece, with a simple and reliable structure.

[0012] As another design of the suction structure, a suction plate is fixed to the top of the shielding cage. The suction plate is formed of a plastic material. The lower side of the suction plate has support columns extending downward to support on the top wall. The two sides of the suction plate are provided with clamping arms extending downward, and the clamping arms are buckled on the two side walls of the shielding cage. This plastic suction structure has a simple and stable structure, low cost, and is convenient for installation.

[0013] The present application provides an electrical connector for being installed in the shielding cage. The electrical connector is provided with a card receiving groove which defines an opening inclined forward and upward. After the high-speed cable is inserted into the module and inclined backward and downward into the receiving channel, it can enter the card receiving groove for conductive cooperation. The electrical connector includes an insulating body, an upper row of terminals and a lower row of terminals inserted into the insulating body. The upper row of terminals is provided with a contact arm extending forward, a pin for being mounted on a circuit board, a connecting arm connecting between the contact arm and the pin, and a holding arm connected to the front side of the upper connecting arm and inserted into the insulating body in an interference fit in a direction parallel to the opening direction and forward and upward. The lower row of terminals is provided with a contact arm extending backward, a pin for being mounted on a circuit board, a connecting arm connecting between the contact arm and the pin, and a holding arm connected to the rear side of the connecting arm and inserted into the insulating body in an interference fit in a direction parallel to the opening direction and backward and downward. And the upper row of terminals and the lower row of terminals are formed by blanking a metal plate. Brief Description of the Drawings

[0014] The drawings described herein are used to provide a further understanding of the embodiments of the present application and form a part of the embodiments of the present application. The drawings and descriptions thereof of the present application are used to explain the embodiments of the present application and do not constitute an improper limitation to the embodiments of the present application. In the drawings:

[0015] Figure 1 is a three-dimensional combined schematic diagram of the first embodiment of the high-speed socket electrical connector assembly of the present application;

[0016] Figure 2 is Figure 1 a three-dimensional combined schematic diagram of the shown high-speed socket electrical connector assembly viewed from another angle;

[0017] Figure 3 is Figure 1 a three-dimensional view of another perspective of the shown shielding cage;

[0018] Figure 4 is Figure 3 a cross-sectional view taken along the position shown by A-A;

[0019] Figure 5 is a three-dimensional combined schematic diagram of the second embodiment of the high-speed socket electrical connector assembly of the present application;

[0020] Figure 6 is Figure 5 a cross-sectional view taken along the position shown by B-B;

[0021] Figure 7 is a cross-sectional view of the third embodiment of the high-speed socket electrical connector assembly of the present application;

[0022] Figure 8 is a cross-sectional view of the electrical connector of the high-speed socket electrical connector assembly of the present application along the position of the lower row of terminals;

[0023] Figure 9 It is a cross-sectional view of the electrical connector of the high-speed socket electrical connector assembly of the present application along the position of the upper row of terminals. Specific Embodiments

[0024] To make the objectives, technical solutions and advantages of the present application clearer, the technical solutions of the present application will be clearly and completely described below in conjunction with the specific embodiments of the present application and the corresponding drawings. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present application.

[0025] Here, it should also be noted that in order to avoid obscuring the present application due to unnecessary details, only the structures and / or processing steps closely related to some embodiments of the present application are shown in the drawings, while other details less related to some embodiments of the present application are omitted.

[0026] In addition, it should also be noted that the terms "include", "comprise", "have" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0027] For the sake of accuracy of description, wherever directions are involved in this article, please always refer to Figure 1 For reference, the extension direction of the X-axis is the left-right direction (where the positive direction of the X-axis is the front right), the extension direction of the Y-axis is the front-back direction (where the negative direction of the Y-axis is the front), and the extension direction of the Z-axis is the up-down direction (where the positive direction of the Z-axis is the up).

[0028] For convenience of description, the up-down, left-right, front-back orientations in the present application are relative positions and do not constitute a limitation on implementation.

[0029] Please refer to Figures 1 to 4 As shown, in the first embodiment of the present application, a high-speed socket connector assembly 100 is disclosed, which is used to cooperate with an insertion module (not shown) connecting a high-speed cable. The high-speed socket connector assembly 100 includes a shielding cage 200 and an electrical connector 10 for mounting on a circuit board (not shown). The shielding cage 200 is provided with a receiving channel 20 for receiving the aforementioned insertion module. The shielding cage has a top wall 202, a bottom wall 206, two side walls 204 and a rear wall 208 surrounding the aforementioned receiving channel. A through hole 207 is provided between the bottom wall 206 and the rear wall 208. The electrical connector 10 (refer to Figure 6) It is located inside the shielding cage 200 and exposed from the through hole 207 for installation on the circuit board. The electrical connector 10 is provided with a receiving groove 12, and the receiving groove 12 opens forward and communicates with the receiving channel 20. The receiving channel 20 of the shielding cage 200 is inclined with respect to the circuit board, so that the cable insertion module can be inserted into the receiving channel 20 obliquely downward and extend into the receiving groove 12 to conductively cooperate with the electrical connector 10. Through the above design, although the structure is slightly complex, it is convenient to use, observe and plug in.

[0030] The shielding cage 200 includes an upper shielding member and a lower shielding member assembled together. The upper shielding member includes the top wall 20, the aforementioned two side walls 204 bent downward from both sides of the top wall 202, and a rear wall 208 bent downward from the rear end of the top wall 202. The lower shielding member includes a bottom wall 206 fixed to the two side walls 204, and also includes a baffle 212 bent downward at the front end of the bottom wall 206 and extending perpendicular to the insertion direction of the receiving channel 20. The shielding cage 200 is provided with a punching opening 21 on the front side of the bottom wall 206 and a snap structure 22 in the punching opening. The snap structure 22 is used to hold the insertion module inserted into the receiving channel 20 in the receiving channel 20. The lower end of the baffle 212 is bent backward to form a shielding piece 214, and the shielding piece 214 blocks the lower side of the punching opening 21 to prevent the internal structure from being seen. The rear end of the bottom wall 206 is bent downward to form a front wall 216 extending vertically downward, and the front wall is used to provide complete shielding on the front side of the electrical connector. The lower side of the front wall 216 is bent forward to form a horizontal support piece 218, and the support piece 218 is supported between the two side walls 204 and buckled with the two side walls 204. The front end of the support piece 218 is bent downward to form a pin 219 for downward installation on the circuit board. This design has a stable structure, a grounding structure, and good shielding performance.

[0031] A suction plate 30 is fixed to the top of the shielding cage 200. The suction plate 30 is provided with a horizontal smooth upper surface (not labeled) to facilitate the installation device to be sucked on the suction plate. The suction plate is made of a high thermal conductivity material, and the top wall is provided with an opening. The lower side of the suction plate extends into the receiving channel to contact the insertion module inserted into the receiving channel for heat conduction and cooling. The suction plate is fixed to the shielding cage by a frame-shaped elastic piece. The suction structure also serves as a cooling structure at the same time, and the suction structure is fixed by a frame-shaped elastic piece, with a simple and reliable structure.

[0032] Refer to Figure 5 And Figure 6, as the second embodiment of the present application, the shielding cage 200 further includes a bottom shielding sheet (not labeled), the bottom shielding sheet is nested and connected to the lower end of the front wall 216, the bottom shielding sheet includes a horizontal bottom wall 218 that extends horizontally forward and fixes the two side walls 204, and the front end of the horizontal bottom wall 218 is bent downward to form pins 219 for mounting on the aforementioned circuit board. This design is convenient for assembly. The two side walls 204 are provided with dovetail grooves 24 with downward openings, and the bottom wall 206 is provided with dovetail-shaped protrusions 26 that extend upward, and the protrusions 26 are embedded in the dovetail grooves 24 to prevent the bottom wall 206 from easily detaching from the side walls 204 downward. In addition, the shielding sheet 214 extends backward into the space between the two side walls 204 to play a role in fixing and supporting the two side walls 204, so as to further enhance the strength of the shielding cage 200.

[0033] A suction plate 40 is fixed to the top of the shielding cage 200. The suction plate 40 is formed of a plastic material. The lower side of the suction plate 40 has support columns 42 that extend downward to support the top wall. The two sides of the suction plate 40 are provided with clamping arms 44 that extend downward, and the clamping arms 44 are clamped to the two side walls 204 of the shielding cage 200. The above-mentioned suction structure made of plastic has a simple and stable structure, low cost, and convenient installation.

[0034] Refer to Figure 7 , as the third embodiment of the present application, the front wall 216 may also extend downward to form pins 221 for mounting on the circuit board. With this design, the grounding length of the bottom wall 206 is shorter and the high-frequency performance is good.

[0035] The electrical connector 10 is provided with a card receiving groove 12. The card receiving groove defines an opening that slopes forward and upward. After the high-speed cable is inserted into the module and inserted into the receiving channel 12 obliquely backward and downward, it can enter the card receiving groove for conductive cooperation. The electrical connector 10 includes an insulating body 18 and upper row terminals 16 and lower row terminals 14 inserted into the insulating body 18. The upper row terminals 14 are provided with contact arms 142 that extend forward, pins 144 for mounting on the circuit board, connecting arms 146 connected between the contact arms 142 and the pins 144, and holding arms 148 that are connected to the front side of the upper connecting arm 146 and are inserted into the insulating body in an interference fit in a direction parallel to the opening and sloping forward and upward. The lower row terminals 16 are provided with contact arms 162 that extend backward, pins 164 for mounting on the circuit board, connecting arms 166 connected between the contact arms 162 and the pins 164, and holding arms 168 that are connected to the rear side of the connecting arm 166 and are inserted into the insulating body in an interference fit in a direction parallel to the opening and sloping backward and downward. And the upper row terminals 16 and the lower row terminals 14 are formed by blanking a metal plate.

[0036] The above embodiments are only used to illustrate the technical solutions of the present invention and not to limit them. Although the present invention has been described in detail with reference to the above embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. A shielding cage for installation on a circuit board. The shielding cage is provided with a receiving channel for inserting a module to cooperate. The shielding cage has a top wall, a bottom wall, two side walls and a rear wall that enclose the aforementioned receiving channel. A through hole is provided between the bottom wall and the rear wall for receiving an electrical connector. It is characterized in that: The receiving channel of the shielding cage is inclined with respect to the circuit board, so that the insertion module can be inserted into the receiving channel obliquely downward and conductively cooperate with the electrical connector; A baffle plate is bent downward from the front end of the bottom wall and extends perpendicular to the insertion direction of the receiving channel; A shielding piece is bent backward from the lower end of the baffle plate. The two sides of the shielding piece are fixed to the two side walls; A support piece is supported between the two side walls and buckled with the two side walls. The front end of the support piece is bent downward to form pins for downward installation on the circuit board; In the vertical direction, the support piece is located below the shielding piece; The shielding cage includes an upper shielding part and a lower shielding part assembled together. The upper shielding part includes the top wall, the aforementioned two side walls bent downward from both sides of the top wall, and the rear wall bent downward from the rear end of the top wall. The lower shielding part forms the bottom wall. The two side walls are provided with dovetail grooves opening downward, and the bottom wall is provided with dovetail-shaped protrusions extending upward. The protrusions are embedded in the dovetail grooves to prevent the bottom wall from easily detaching from the side walls downward; The shielding cage is provided with a punching opening and a snap structure within the punching opening on the front side of the bottom wall. The snap structure is used to hold the insertion module inserted into the receiving channel within the receiving channel. The shielding piece blocks the lower side of the punching opening; The rear end of the bottom wall is bent downward to form a front wall extending vertically downward.

2. The shielding cage according to claim 1, characterized in that: The lower side of the front wall is bent forward to form the horizontal support piece.

3. The shielding cage according to claim 1, characterized in that: The front wall extends downward to form pins for installation on the circuit board.

4. The shielding cage according to claim 1, characterized in that: The shielding cage further includes a bottom shielding piece. The bottom shielding piece is nested and connected to the lower end of the front wall. The bottom shielding piece includes a horizontal bottom wall extending forward horizontally and fixing the two side walls. The front end of the horizontal bottom wall is bent downward to form pins for installation on the aforementioned circuit board.

5. The shielding cage according to any one of claims 1-4, characterized in that: A suction plate is fixed to the top of the shielding cage. The suction plate is provided with a horizontal smooth upper surface to facilitate the installation device to suck on the suction plate. The suction plate is made of a high thermal conductivity material, and the top wall is provided with an opening. The lower side of the suction plate extends into the receiving channel to contact the insertion module inserted into the receiving channel for heat conduction and cooling. The suction plate is fixed to the shielding cage through a frame-shaped elastic piece.

6. The shielding cage according to any one of claims 1-4, characterized in that: A suction plate is fixed to the top of the shielding cage. The suction plate is formed of a plastic material. Support columns extending downward are provided on the lower side of the suction plate to support on the top wall. Clamping arms extending downward are provided on both sides of the suction plate, and the clamping arms are clamped to the side walls of the shielding cage.

7. An electrical connector for being installed in the shielding cage according to any one of claims 1-6, characterized in that: The electrical connector is provided with a clamping receiving groove which defines an opening inclined forward and upward. After the high-speed cable is inserted into the module and inserted into the receiving channel obliquely backward and downward, it can enter the clamping receiving groove for conductive cooperation. The electrical connector includes an insulating body and upper row terminals and lower row terminals inserted into the insulating body. The upper row terminals are provided with contact arms extending forward, pins for being installed on a circuit board, connecting arms connecting between the contact arms and the pins, and holding arms connecting to the front side of the connecting arms and inserted into the insulating body in an interference fit in a direction parallel to the opening direction and forward and upward. The lower row terminals are provided with contact arms extending backward, pins for being installed on a circuit board, connecting arms connecting between the contact arms and the pins, and holding arms connecting to the rear side of the connecting arms and inserted into the insulating body in an interference fit in a direction parallel to the opening direction and backward and downward. And the upper row terminals and the lower row terminals are formed by blanking a metal plate.

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