阅读说明：本技术 一种插座连接器用屏蔽罩 (Shielding case for socket connector ) 是由 杨帅杰 王旭涛 韩云钊 刘乃常 鲁志远 李卫可 陈林凯 姚文浩 陈明 薛金钢 赵 于 2021-08-27 设计创作，主要内容包括：一种插座连接器用屏蔽罩,包括用于插入插座壳体内的罩体,罩体上绕罩体的外周设有用于与插座壳体的内壁接触以形成屏蔽体的金属弹片。本发明的屏蔽罩在使用时,金属弹片与插座壳体接触,使屏蔽罩封堵插座壳体与屏蔽笼之间的间隙,在插座壳体的安装孔处形成屏蔽体,利用屏蔽体对电磁波产生切断耦合途径的作用,避免了外界的电磁波沿插座壳体与屏蔽笼之间的间隙进入机箱内,也避免了机箱内的电磁波沿插座壳体与屏蔽笼之间的间隙向机箱外部泄漏,从而避免机箱内、外电磁波对通信器件产生电磁干扰。(A shielding case for a socket connector comprises a cover body inserted into a socket shell, wherein a metal elastic sheet used for being in contact with the inner wall of the socket shell to form a shielding body is arranged on the cover body around the periphery of the cover body. When the shielding cover is used, the metal elastic sheet is contacted with the socket shell, so that the shielding cover seals a gap between the socket shell and the shielding cage, the shielding body is formed at the mounting hole of the socket shell, and the shielding body is used for cutting off a coupling path of electromagnetic waves, so that the external electromagnetic waves are prevented from entering the case along the gap between the socket shell and the shielding cage, the electromagnetic waves in the case are prevented from leaking to the outside of the case along the gap between the socket shell and the shielding cage, and the electromagnetic waves in the case and outside of the case are prevented from generating electromagnetic interference on communication devices.)

1. The shielding case for the socket connector is characterized by comprising a cover body (601) inserted into a socket housing (4), wherein a metal elastic sheet (602) which is used for contacting with the inner wall of the socket housing (4) to form a shielding body is arranged on the cover body (601) around the periphery of the cover body (601).

2. The shield cover for a receptacle connector according to claim 1, wherein the metal dome (602) is disposed around the outer circumference of the cover body (601).

3. A shield for a receptacle connector according to claim 2, wherein said shield (601) is in the form of a plate.

4. The shield for a receptacle connector of claim 2, wherein said shield (601) is cylindrical.

5. The shielding case for the socket connector according to claim 4, wherein the metal dome (602) is disposed at one end of the case (601), and a handle (603) for facilitating insertion and extraction of the case (601) is disposed at an end of the case (601) away from the metal dome (602).

6. A shield for a jack connector according to any one of claims 1 to 4 further including a dust cap (8) for sealing engagement with the jack housing (4) for mating with the jack housing (4) when plugged into the jack housing (4).

7. A shield for a jack connector according to claim 6 wherein the shield (601) is secured to the dust cap (8) for mating with a port in the jack housing (4).

8. The shield for a receptacle connector of claim 7, wherein said cover body (601) is bonded to the dust cap (8).

9. The shield for a receptacle connector according to claim 7, wherein said cover body (601) is fixed to the dust cap (8) by means of barbs.

10. The shield case for a receptacle connector according to any one of claims 7 to 9, wherein the dust cap (8) comprises a cap body (81) for sealing engagement with the receptacle housing (4) and locking means provided on the cap body (81) for locking engagement with the receptacle housing (4);

locking device is including setting up cantilever (8102) at cap body (81) lateral wall, and the tail end of cantilever (8102) is equipped with and follows grafting direction locking complex hook portion (8103) with butt joint groove (4201) of socket shell (4), and it is equipped with and is used for driving cantilever (8102) vertical migration to connect cantilever (8102) on cap body (81) so that hook portion (8103) and socket shell (4) along push away pressing blade (82) of grafting direction unblock.

Technical Field

The invention relates to the technical field of connectors, in particular to a shielding case for a socket connector.

Background

With the rapid development of communication technology and the continuous improvement of the requirements on the transmission rate of the connector, the transmission speed of the optical module is also continuously improved. With the continuous improvement of the transmission speed of the optical module, the electromagnetic interference caused by the continuous improvement is more serious, and especially, compared with other positions, the electromagnetic interference is easier to generate between the optical device socket and the optical module.

However, in the use process of the conventional socket connector, a gap exists between the housing of the socket connector and the optical module when the housing of the socket connector is installed in a matching manner, and electromagnetic waves connected to the outside are easy to radiate into a communication chassis from the gap between the socket housing and the optical module, so that electromagnetic interference is caused on communication devices in the chassis, and meanwhile, the electromagnetic waves in the chassis can also interfere with equipment outside the chassis.

Disclosure of Invention

The invention aims to provide a shielding case for a socket connector, which aims to solve the problem that electromagnetic interference is generated on equipment by external electromagnetic waves in a communication case along a gap between a socket shell and an optical module when the existing socket connector is used.

The technical scheme adopted by the invention to achieve the aim is as follows:

a shielding case for a socket connector comprises a cover body inserted into a socket shell, wherein a metal elastic sheet used for being in contact with the inner wall of the socket shell to form a shielding body is arranged on the cover body around the periphery of the cover body.

Furthermore, the metal elastic sheet is arranged around the periphery of the cover body in a circle.

Further, the cover body is sheet-shaped.

Further, the cover body is cylindrical.

Furthermore, the metal elastic sheet is arranged at one end of the cover body, and a handle convenient for inserting and pulling the cover body is arranged at one end, far away from the metal elastic sheet, of the cover body.

The socket is further characterized by further comprising a dust cap which is inserted on the socket shell and is in sealing fit with the socket shell.

Furthermore, the cover body is fixed on a port of the dustproof cap, which is inserted in the socket shell.

Further, the cover body is adhered to the dust cap.

Further, the cover body is fixed on the dustproof cap through barbs.

Further, the dust cap comprises a cap body used for being matched with the socket shell in a sealing mode and a locking device arranged on the cap body and used for being matched and locked with the socket shell;

the locking device comprises a cantilever arranged on the side wall of the cap body, the tail end of the cantilever is provided with a hook portion which is matched with the butt joint groove of the socket shell in a locking mode along the plugging direction, and the cap body is connected with a pressing sheet which is used for driving the cantilever to vertically move so that the hook portion and the socket shell are unlocked along the plugging direction.

The invention has the beneficial effects that:

according to the shielding cover, the metal elastic sheet is arranged on the cover body around the periphery of the cover body, when the shielding cover is installed and used, the metal elastic sheet is in contact with the socket shell, so that the shielding cover seals a gap between the socket shell and the optical module, the shielding body is formed at the mounting hole of the socket shell, the shielding body is used for cutting off a coupling path for electromagnetic waves, external electromagnetic waves are prevented from entering the case, the electromagnetic waves in the case are prevented from leaking to the outside of the case, and therefore electromagnetic interference of the electromagnetic waves inside and outside the case on communication devices is avoided.

Drawings

Fig. 1 is a schematic structural view illustrating a conventional socket connector and a shielding cage of an optical module;

fig. 2 is a schematic structural view of a shield case for a receptacle connector according to an embodiment;

fig. 3 is a schematic view illustrating an installation structure of a shield case and a receptacle housing for a receptacle connector according to an embodiment;

fig. 4 is a schematic view of an installation structure of a shield case for a receptacle connector according to an embodiment;

fig. 5 is a schematic view of an installation structure of the shield case for a receptacle connector provided with a handle according to the first embodiment;

fig. 6 is a schematic structural view of a shield case for a receptacle connector according to a second embodiment;

fig. 7 is an exploded view of a shield case for a receptacle connector according to a fourth embodiment;

fig. 8 is a schematic view of an installation structure of a shield case for a receptacle connector according to the fourth embodiment in use;

fig. 9 is a schematic view illustrating an installation structure of a shield case and a dust cap in a shield case for a receptacle connector according to a fifth embodiment;

fig. 10 is a schematic structural view of a dust cap in the shield case for a receptacle connector according to the sixth embodiment, before being mounted on a receptacle housing.

The labels in the figure are: 1. shielding cage, 2, optical module, 3, chassis panel, 4, socket housing, 41, fixed end, 4101, mounting hole, 4102, first sealing groove, 42, plug end, 4201, butt joint groove, 4202, hook fitting part, 5, PCB, 6, shielding cover, 601, cover body, 602, metal shrapnel, 603, handle, 7, second sealing element, 8, dust cap, 81, cap body, 8101, second sealing groove, 82, pressing piece, 8201, cantilever, 8202, hook part, 9, second sealing element.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and detailed description, wherein in the description of the invention it is to be noted that, unless otherwise specified, "a plurality" means two or more; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention.

To facilitate better understanding of the present invention, the technical background of the present invention is further described, as shown in fig. 1, when the conventional socket connector is assembled with an optical module, a shielding cage 1, which is disposed on a PCB 5 and is provided with an optical module 2, passes through a hole formed on a chassis panel 3 and a mounting hole 4101 formed on a socket connector housing and enters the socket connector housing, a gap exists between the shielding cage 1 and the socket connector housing, external electromagnetic waves are likely to radiate from the gap or the mounting hole into a communication chassis, and at the same time, electromagnetic waves in the communication chassis are also radiated outside the communication chassis, so that both devices inside and outside the communication chassis are subject to electromagnetic interference.

Embodiment one of the shield case for a receptacle connector of the present invention

Referring to fig. 2 and 3, a conventional receptacle housing is provided with a mounting hole 4101, so that a shielding cage 1 with an optical module 2 can enter the receptacle housing through a hole formed in a chassis panel 3, the receptacle housing includes a fixed end 41 for being mounted on the chassis panel 3 and a plug end 42 provided with a slot on the fixed end 41, the mounting hole 4101 is formed in the fixed end 41, the shielding housing for a receptacle connector of this embodiment includes a housing 601 for being inserted into the receptacle housing 4, a metal spring 602 is provided on the housing 601 around an outer circumference of the housing 601, the metal spring 602 can contact an inner wall of the receptacle housing 4 after the housing 601 is inserted into the housing 4, the metal spring 602 can be arranged around the outer circumference of the housing 601, an interval between adjacent metal springs 602 can be set according to the shielding requirement of the electromagnetic disk of the current system, when the shielding housing is mounted, referring to fig. 4, the metal elastic sheet 602 contacts the inner wall of the mounting hole 4101 of the socket housing 4, blocks up the gap between the socket housing 4 and the shielding cage 1, establishes a shielding body which prevents external electromagnetic waves from entering the communication chassis from the gap between the shielding cage 1 and the socket housing 4, and prevents the electromagnetic waves inside the chassis from leaking to the outside of the chassis from the gap between the shielding cage 1 and the socket housing 4, and uses the shielding body to generate a function of cutting off a coupling path for the electromagnetic waves, when the socket connector is used in cooperation with the shielding cage, the external electromagnetic waves are prevented from entering the chassis along the gap between the socket housing and the shielding cage, and the electromagnetic waves inside the chassis are also prevented from leaking to the outside of the chassis along the gap between the socket housing and the shielding cage, it should be noted that the optical module 2 can be installed inside the socket housing 4 by using other carriers similar to the shielding cage 1 in practical application, as long as the optical module 2 is installed inside the socket housing 4, a gap exists between the carrier carrying the optical module 2 and the socket housing 4, and the shielding cover of the embodiment can be adopted to avoid electromagnetic interference on devices inside and outside the communication chassis.

In this embodiment, the whole cover 601 is cylindrical, that is, the cover 601 has a side wall with a certain length in the plugging direction of the socket housing 4, one end of the side wall is open, the other end is closed, the metal elastic piece 602 can be disposed at the open end of the cover 601, when in use, the end of the cover 601 with the metal elastic piece 602 is plugged into the socket housing 4, at this time, the whole shield is used as an independent component, so as to facilitate the plugging and removing operations of the shield, refer to fig. 5, the closed end of the cover 601 is provided with a handle 603 facilitating the plugging and removing of the cover 601, when in use, the shield 6 can be easily inserted into or taken out of the socket housing 4 by holding the handle 603, and a shield for preventing electromagnetic interference is conveniently established between the socket housing 4 and the shielding cage 1.

Second embodiment of the shield case for a receptacle connector according to the present invention

Different from the first embodiment, the cover body 601 of the shield case for a receptacle connector of the present embodiment is a sheet, referring to fig. 6, the sheet means that the length of the cover body 601 in the direction of inserting the cover body 601 into the receptacle housing 4 is only the length for installing the metal dome 602, when in use, the cover body 601 is inserted into the installation hole 4101 of the receptacle housing 4, so that the metal dome 602 contacts with the inner wall of the receptacle housing 4 at the installation hole 4101, and a shield body for preventing electromagnetic wave interference is established between the receptacle housing 4 and the shielding cage 1, and when the sheet-like cover body 601 is applied to the receptacle connector, the established shielding surface is closer to the optical module 2 of the receptacle connector, which can improve the shielding effect.

Third embodiment of the shield case for a receptacle connector according to the present invention

When the receptacle connector mounted on the chassis panel is idle, i.e. when the optical module 2 is not mounted in the receptacle housing 4, the mounting hole 4101 of the receptacle housing 4 becomes a main channel for electromagnetic leakage inside and outside the chassis, referring to fig. 3 and 5, different from the first embodiment and the second embodiment, the shield for the receptacle connector of this embodiment is applied without considering the position of the optical module, and the specific structure of the shield may be any one of the first embodiment and the second embodiment, and when in use, the shield is directly inserted into the receptacle housing 4, and the metal elastic sheet 602 contacts with the inner wall of the receptacle housing 4, so that the mounting hole 4101 is blocked by the cover 601, and the conductive shield is established, thereby preventing external electromagnetic waves from entering the chassis along the mounting hole 4101 of the receptacle housing, and preventing the electromagnetic waves in the chassis from leaking to the outside of the chassis along the mounting hole 4101 of the receptacle housing, thereby preventing the electromagnetic waves in the chassis from entering the chassis, The external electromagnetic wave generates electromagnetic interference to the communication device.

Fourth embodiment of the shield case for a receptacle connector according to the present invention

With reference to fig. 2 and 3, referring to fig. 7 and 8, different from the above embodiments, the shield case for a receptacle connector of this embodiment further includes a dust cap 8, where the dust cap 8 is used to be plugged into the receptacle housing 4 to be in sealing fit with the receptacle housing 4, so as to perform sealing and dust preventing functions.

In this embodiment, the cover 601 is used as a separate component, i.e. when the connector is used, the cover 601 is first installed in the socket housing 4 separately, then the dust cap 8 is installed on the socket housing 4, the cover 601 is covered in the socket housing 4, and when the connector is detached, the dust cap 8 is removed first, and then the cover 601 is detached.

Fifth embodiment of the shield case for a receptacle connector according to the present invention

Different from the above embodiment, referring to fig. 9, the dust cover 8 is provided with a port for inserting into the socket housing 4, the cover 601 is fixed on the port, when the dust cap 8 is inserted into the socket housing 4 together with the port when the housing of the socket housing 4 is locked, when in use, the cover 601 and the dust cover 8 are integrated, when the dust cover 8 is mounted on the socket housing 4, the cover 601 is mounted together with the dust cover 8, when the dust cover 8 is removed, the cover 601 is dismounted together with the dust cover 8 without separately mounting and dismounting the cover 601, which facilitates the establishment of a shielding body for preventing electromagnetic interference at the gap between the socket housing 4 and the shielding cage 1 or the mounting hole 4101 when the socket housing 4 is idle, and it should be noted that, in this embodiment, in order to fix the cover 601 on the dust cover 8, the cover 601 is preferably a cover having a side wall along the inserting direction, i.e., the enclosure 601 in the shield provided in the first preferred embodiment.

In this embodiment, when the cover 601 is fixed to the dust cover 8, the cover 601 may be bonded to the dust cover 8 through an adhesive for being inserted into the port in the socket housing 4, or the cover 601 may be fixed to the dust cover 8 through barbs for being inserted into the port in the socket housing 4, and the fixing manner in other manners should be regarded as an equivalent variation of the fixing manner of the cover 601 and the dust cover 8 in this embodiment.

Sixth embodiment of the shield case for receptacle connector according to the present invention

The socket housing 4 includes a fixed end 41 for mounting on the chassis panel 3 and a socket end 42 disposed on the fixed end 41 and provided with a slot, a mounting hole 4101 is opened in the fixed end 41, two side walls of the socket end 42 are provided with a docking slot 4201 for facilitating the locking and matching of the dust cap 8 and the socket housing 4, the dust cap 8 of the conventional socket connector is usually locked and unlocked with the docking slot 4201 on two sides of the socket housing 4 by disposing a press-type unlocking structure on two side walls of the dust cap 8, such unlocking and locking requires a certain operation space to be left on two sides of the socket connector, when the socket connectors are disposed side by side, a gap between the two socket connectors is sometimes small, when the socket connectors are disposed side by side, the operation of unlocking and locking the dust cap 8 of the socket connector is very inconvenient, so that when the cover 601 and the dust cap 8 are fixed together, the use of the shield case 6 is affected, and it is not easy to establish a shield body for preventing electromagnetic wave interference in the gap between the receptacle housing 4 and the shield cage 1.

Unlike the above-described embodiment, referring to fig. 10, the dust cap 8 in the shield case for a receptacle connector of this embodiment includes a cap body 81 adapted to fit the inner diameter of the insertion slot of the receptacle housing 4 so that the cap body 81 is inserted into the insertion slot and sealingly engaged with the insertion end 42, the cap body 81 is provided with a locking device for locking with a hooking and engaging portion 4202 in an abutting slot 4201 of the housing of the insertion end 42, the locking device includes a suspension 8102 provided at a corresponding side wall of the cap body 81, a hooking portion 8103 is provided at a rear end of the suspension 8102, the suspension 8102 moves along the receptacle housing 4 when the dust cap 8 is inserted into the receptacle housing 4, the hooking portion 8103 is in locking engagement with the hooking and engaging portion 4202 in the abutting slot 1 in the insertion direction, the suspension 8102 connected to the cap body 81 is provided with a pressing tab 82 for driving the suspension 8102 to vertically move, the pressing tab 82 is provided at the top and bottom of the cap body 81, the pressing tab 82 may be an elastic material fixed at the top and bottom of the cap body 81, at least a part of the pressing sheet 82 can generate reciprocating displacement in the vertical direction of the cap body 81, and the pressing sheet 82 is connected with the cantilever 8102 to drive the cantilever 8102 to vertically move in the side wall region of the cap body 81, so that the hook part 8103 and the hook matching part 4202 can be unlocked in the inserting direction in the process.

During the unblock, exert the power that makes cantilever 8102 vertical removal in cap body 81 lateral wall face department through pressing the lug 82 to cantilever 8102, reach hook portion 8103 and the unblock of hook cooperation portion 4202, then outwards remove dustproof cap 8 and can take off dustproof cap 8 from socket shell 4, because of pressing lug 82 sets up on the roof and the diapire of cap body 81, its operation is not influenced by the outer regional space size that corresponds of cover body lateral wall, when being applied to the connector that sets up side by side, can be very convenient, swiftly realize locking and the unblock of dustproof cap 8 and connector housing, be favorable to installing shield 6 on socket shell 4 conveniently, realize establishing the shield that prevents electromagnetic wave interference between the clearance of socket shell 4 and shielding cage 1.

In this embodiment, in order to improve the sealing performance of the coupling of the components of the shield case for the receptacle connector, referring to fig. 2, a second sealing groove 8101 for placing the second sealing member 9 is disposed on the cap 81 along a circumference of the port for inserting the plug end 42, and the sealing performance when the cap 81 and the receptacle housing 4 are mounted can be improved by mounting the second sealing member 9 in the second sealing groove 8101, in a specific application, the first sealing groove 4102 is disposed on the end surface of the fixed end 41 of the receptacle housing 4 away from the plug end 42, and the sealing performance when the fixed end 41 and the chassis panel 3 are mounted can also be improved by mounting the first sealing member 7 in the first sealing groove 4102.

It should be noted that the detailed description is not given for the prior art, and the above embodiments are only used for illustrating the present invention, but the present invention is not limited to the above embodiments, and any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present invention fall within the protection scope of the present invention.