Shielding component and connector

Abstract

The present invention discloses a shielding component and a connector. The shielding component is suitable for insertion into a socket (101) of a connector housing (1); the shielding component (2) comprises a cylindrical body (20) having a peripheral wall (200) for enclosing an internal cavity; the peripheral wall (200) has a first side edge portion (21) and a second side edge portion (22) extending along the axial direction of the cylindrical body (20), wherein the first side edge portion (21) is stacked on the outside of the second side edge portion (22) and connected to the second side edge portion (22);The first side edge portion (21) protrudes from the outer peripheral surface of the cylindrical body (20) and is adapted to mate with a guide groove (121) formed on the inner peripheral surface of the socket (101) of the connector housing (1) to ensure that the shielding member (2) is inserted into the socket (101) in the correct orientation. Therefore, the present invention eliminates the need to separately form a foolproof structure on the shielding member, simplifying the manufacture of the shielding member and reducing production costs.

Description

Cross-reference to related application

[0001] This application claims the benefit of Chinese Patent Application No. CN202410316169.1, filed on March 19, 2024, with the State Intellectual Property Office of the People's Republic of China, the entire disclosure of which is hereby incorporated by reference. Background of the inventionField of the invention

[0002] The present invention relates to a shielding component and a connector comprising the shielding component. Description of related technology

[0003] In the prior art, a connector typically includes a housing, a terminal holder, a terminal, and a shielding member. A socket is formed in the housing, and the shielding member is cylindrical and is inserted into the socket. The terminal is inserted into the terminal holder, and the terminal holder is inserted into the shielding member. In the prior art, a foolproof structure must be formed on the shielding member and the housing to ensure that the shielding member is inserted into the socket of the housing in the correct orientation. Typically, the foolproof structure includes a guide rib formed on the shielding member and a guide groove formed inside the housing. The guide rib is mated with the guide groove to ensure that the shielding member is inserted into the socket of the housing in the correct orientation.However, forming the guide rib on the shielding component increases the manufacturing difficulty and also increases the manufacturing cost. Summary of the invention

[0004] The present invention has been made to overcome or mitigate at least one aspect of the above-mentioned disadvantages.

[0005] According to one aspect of the present invention, a shielding member suitable for insertion into a socket of a connector housing is provided. The shielding member comprises a cylindrical body having a peripheral wall for enclosing an internal cavity; the peripheral wall has a first side edge portion and a second side edge portion extending along the axial direction of the cylindrical body, the first side edge portion being stacked on the outside of the second side edge portion and connected to the second side edge portion; the first side edge portion protrudes from the outer peripheral surface of the cylindrical body and is for mating with a guide groove formed on the inner peripheral surface of the socket of the connector housing to ensure that the shielding member is inserted into the socket in the correct orientation.

[0006] According to an exemplary embodiment of the present invention, the first side edge portion and the second side edge portion are riveted together.

[0007] According to another exemplary embodiment of the present invention, a plurality of openings are formed in the second side edge portion and spaced apart from each other in the axial direction of the cylindrical body; a plurality of connecting portions corresponding to the plurality of openings are formed on the first side edge portion, the plurality of connecting portions each projecting into the plurality of openings and each connecting to the plurality of openings.

[0008] According to another exemplary embodiment of the present invention, a plurality of tongue portions are formed on the second side edge portion, and the plurality of tongue portions are respectively located in the plurality of openings and connected to the side edges of the plurality of openings; the outer side of the connecting portion is concave inward, and a slit hole is formed in the connecting portion, allowing the tongue portion to pass therethrough, wherein the tongue portion passes through the slit hole and is bent toward the outer side of the connecting portion.

[0009] According to another exemplary embodiment of the present invention, the first side edge portion and the second side edge portion are welded together.

[0010] According to another exemplary embodiment of the present invention, the cylindrical body has front and rear ends opposite each other in the axial direction thereof, and a notch is formed in the rear end of the first side edge portion and the second side edge portion, the notch being for engagement with a protruding tongue formed in the guide groove of the housing of the connector to position the shielding member in the circumferential direction of the cylindrical body.

[0011] According to another exemplary embodiment of the present invention, a plurality of first locking springs are formed on the peripheral wall of the cylindrical body, and the plurality of first locking springs are distributed at intervals in the circumferential direction of the cylindrical body; the first locking spring is located on the outer side of the cylindrical body and extends obliquely toward the front end of the cylindrical body to abut on a first step portion within the socket of the connector housing and lock the shielding member into the socket of the connector housing.

[0012] According to another exemplary embodiment of the present invention, the shielding member further comprises a plurality of contact springs connected to the front end of the cylindrical body and distributed at intervals in the circumferential direction of the cylindrical body, wherein the end of the contact spring is bent inward into a hook shape for making electrical contact with an outer peripheral surface of a mating shielding member of a mating connector inserted into the front end of the shielding member.

[0013] According to another exemplary embodiment of the present invention, a plurality of windows, or contact spring arms, respectively located in the plurality of windows are formed at the rear end of the cylindrical body, and the plurality of windows are distributed at intervals in the circumferential direction of the cylindrical body; the front and rear ends of the contact spring arm are connected to the front and rear side edges of the window, respectively, and the contact spring arm is curved inward to make electrical contact with an outer peripheral surface of a shield connecting member inserted into the rear end of the shield member.

[0014] According to another exemplary embodiment of the present invention, a plurality of second locking springs are formed on the peripheral wall of the cylindrical body, and the plurality of second locking springs are distributed at intervals in the circumferential direction of the cylindrical body; the second locking spring is located on the inner side of the cylindrical body and extends obliquely toward the front end of the cylindrical body to abut against a second step portion of a terminal holder inserted into the shielding member and prevent the inserted terminal holder from being pulled out of the shielding member.

[0015] According to another exemplary embodiment of the present invention, a plurality of positioning protrusions are formed on the peripheral wall of the cylindrical body, spaced at intervals in the circumferential direction of the cylindrical body and projecting toward the interior of the cylindrical body; the positioning protrusion serves to abut against a third step portion of the terminal holder inserted into the shielding member to axially position the inserted terminal holder.

[0016] According to another exemplary embodiment of the present invention, the shielding component is a one-piece stamped part.

[0017] According to one aspect of the present invention, a connector is provided. The connector comprises: a housing formed with a socket; and the above-mentioned shielding member that is inserted into the socket of the housing. A guide groove extending along the axial direction of the socket is formed on the inner peripheral surface of the socket of the housing, and the guide groove is mated with the first side edge portion projecting outwardly on the shielding member to ensure that the shielding member is inserted into the socket in the correct orientation.

[0018] According to an exemplary embodiment of the present invention, a first step portion is formed on the inner peripheral surface of the socket, and the first locking spring of the shielding member is axially pressed against the first step portion to prevent the shielding member from being pulled out of the socket of the housing.

[0019] According to another exemplary embodiment of the present invention, the socket has front and rear terminals opposite each other in its axial direction, and the shielding member is inserted into the socket through the front terminal; the connector further comprises a terminal holder that is cylindrical and is inserted into the cylindrical body of the shielding member through the rear terminal of the socket, a second step portion is formed on the terminal holder, and the second locking spring of the shielding member is axially pressed against the second step portion to prevent the terminal holder from being pulled out of the shielding member.

[0020] According to another exemplary embodiment of the present invention, a third step portion is formed on the terminal holder, and the positioning projection of the shielding member is axially pressed against the third step portion to axially position the inserted terminal holder.

[0021] According to another exemplary embodiment of the present invention, the connector further comprises: a terminal inserted into the terminal holder to be mated with a mating terminal of a mating connector inserted into the receptacle; and a cable, one end of which extends through the rear terminal of the receptacle into the terminal holder and is electrically connected to the terminal.

[0022] According to another exemplary embodiment of the present invention, the connector further comprises a shielding connecting member which is cylindrical in shape, the front end of which is placed on the rear end of the terminal holder and the rear end of which is pressed onto the exposed shielding layer of the cable, the front end of the shielding connecting member being inserted into the rear end of the shielding member and electrically contacting the contact spring arms of the shielding member to establish an electrical connection between the shielding member and the shielding layer of the cable.

[0023] According to another exemplary embodiment of the present invention, the connector further comprises a support sleeve placed on the cable to support the rear end of the shielding connection component, wherein the exposed shielding layer of the cable is folded back onto the outside of the support sleeve and clamped between the rear end of the shielding connection component and the support sleeve.

[0024] According to another exemplary embodiment of the present invention, the connector further comprises a sealing ring that is placed on the cable and inserted into the rear terminal of the socket to seal the rear terminal of the socket.

[0025] According to another exemplary embodiment of the present invention, the connector further comprises: a rear cover fitted over the cable and fixed to the rear end of the housing; and a cable clamp fitted over the cable and received in the rear cover, the cable clamp having a plurality of elastic claws surrounding the cable and clamping the cable under the radial compression of the rear cover to fix the cable to the housing.

[0026] According to another exemplary embodiment of the present invention, the terminal holder, the terminal, the cable, the shielding connecting member, the support sleeve, the sealing ring, the cable clamp and the rear cover are pre-assembled into a cable assembly and are inserted together into the socket of the housing.

[0027] According to another exemplary embodiment of the present invention, the housing includes a plurality of sockets, and the connector includes a plurality of shielding members each inserted into the plurality of sockets from the front end of the housing; the connector includes a plurality of cable assemblies each inserted into the plurality of sockets from the rear end of the housing.

[0028] In the above-mentioned exemplary embodiments according to the present invention, the overlapping side edge portions of the shielding member are used as a foolproof structure for fitting with the guide groove inside the housing.

[0029] Therefore, there is no need to form a foolproof structure separately on the shielding component, which simplifies the manufacturing of the shielding component and reduces production costs. Short description of the drawings

[0030] The above and other features of the present invention will become more apparent when exemplary embodiments thereof are described in detail with reference to the accompanying drawings, in which: Fig. 1 shows an illustrative perspective view of a connector according to an exemplary embodiment of the present invention; Fig. 2 shows an axial sectional view of a connector according to an exemplary embodiment of the present invention; Fig. 3 shows an axial sectional view of a cable assembly of a connector according to an exemplary embodiment of the present invention; Fig. 4 shows an illustrative perspective view of the housing and shielding member of a connector according to an exemplary embodiment of the present invention; Fig. 5 shows an illustrative perspective view of a shielding component of a connector according to an exemplary embodiment of the present invention; Fig. 6 shows a cross-sectional view of a shielding component of a connector according to an exemplary embodiment of the present invention; Fig. 7 shows an illustrative exploded view of the housing and shielding member of a connector according to an exemplary embodiment of the present invention; Fig. 8 shows an illustrative assembly view of the housing and shielding member of a connector according to an exemplary embodiment of the present invention; Fig. 9 shows an illustrative assembly view of the shielding member and the terminal holder of a connector according to an exemplary embodiment of the present invention; and Fig. 10 shows an illustrative exploded view of the shield member and the terminal holder of a connector according to an exemplary embodiment of the present invention. Detailed description of preferred embodiments of the invention

[0031] Exemplary embodiments of the present disclosure are described in detail below with reference to the accompanying drawings, wherein like reference numerals refer to like elements. However, the present disclosure may be embodied in many different forms and should not be construed as limited to the embodiment set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concepts of the disclosure to those skilled in the art.

[0032] In the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the disclosed embodiments. However, it will be apparent that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown schematically to simplify the drawing.

[0033] According to a general concept of the present invention, a shielding member suitable for insertion into a socket of a connector housing is provided. The shielding member comprises a cylindrical body having a peripheral wall for enclosing an internal cavity; the peripheral wall has a first side edge portion and a second side edge portion extending along the axial direction of the cylindrical body, the first side edge portion being stacked on the outside of the second side edge portion and connected to the second side edge portion; the first side edge portion protrudes from the outer peripheral surface of the cylindrical body and is for mating with a guide groove formed on the inner peripheral surface of the socket of the connector housing to ensure that the shielding member is inserted into the socket in the correct orientation.

[0034] According to another general aspect of the present invention, a connector is provided. The connector comprises: a housing formed with a socket; and the above-mentioned shielding member that is inserted into the socket of the housing. A guide groove extending along the axial direction of the socket is formed on the inner peripheral surface of the socket of the housing, and the guide groove is mated with the first side edge portion projecting outwardly on the shielding member to ensure that the shielding member is inserted into the socket in the correct orientation.

[0035] The Fig. 1 shows an illustrative perspective view of a connector according to an exemplary embodiment of the present invention; The Fig. 2 shows an axial sectional view of a connector according to an exemplary embodiment of the present invention; The Fig. 3 shows an axial sectional view of a cable assembly 3 of a connector according to an exemplary embodiment of the present invention; Fig. 4 shows an illustrative perspective view of the housing 1 and the shielding member 2 of a connector according to an exemplary embodiment of the present invention; Fig. 5 shows an illustrative perspective view of a shielding component 2 of a connector according to an exemplary embodiment of the present invention; Fig. 6 shows a cross-sectional view of a shielding component 2 of a connector according to an exemplary embodiment of the present invention; Fig. 7 shows an illustrative exploded view of the housing 1 and the shielding member 2 of a connector according to an exemplary embodiment of the present invention.

[0036] As in the Fig. 1 to 7, in another exemplary embodiment of the present invention, a shielding member 2 is disclosed. The shielding member is suitable for insertion into a socket 101 of a housing 1 of a connector. The shielding member 2 comprises a cylindrical body 20 having a peripheral wall 200 for enclosing an internal cavity. The peripheral wall 200 has a first side edge portion 21 and a second side edge portion 22 extending along the axial direction of the cylindrical body 20. The first side edge portion 21 is stacked on the outside of the second side edge portion 22 and connected to the second side edge portion 22.

[0037] As in the Fig. 1 to 7, in the illustrated embodiment, the first side edge portion 21 protrudes from the outer peripheral surface of the cylindrical body 20 and serves to mate with a guide groove 121 formed on the inner peripheral surface of the socket 101 of the connector housing 1 to ensure that the shielding member 2 is inserted into the socket 101 in the correct orientation.

[0038] As in the Fig. 1 to 7, in the illustrated embodiment, the first side edge portion 21 and the second side edge portion 22 are riveted together.

[0039] As in the Fig. 1 to 7, in the illustrated embodiment, a plurality of openings 22a are formed in the second side edge portion 22, and the plurality of openings 22a are spaced from each other in the axial direction of the cylindrical body 20. A plurality of connecting portions 21a corresponding to the plurality of openings 22a are formed on the first side edge portion 21. The connecting portion 21a is formed by punching, with its outer side being concave inward relative to the outer peripheral surface of the cylindrical body 20 and its inner side protruding inward relative to the inner peripheral surface of the cylindrical body 20. The inner sides of the plurality of connecting portions 21a respectively protrude into the plurality of openings 22a and are respectively connected to the plurality of openings 22a.

[0040] As in the Fig. As shown in FIGS. 1 to 7, in the illustrated embodiment, a plurality of tongue portions 22b are formed on the second side edge portion 22, each of which is located in the plurality of openings 22a and connected to the side edges of the plurality of openings 22a. The outer side of the connecting portion 21a is concave inward, and a slit hole 21b is formed in the connecting portion 21a, allowing the tongue portion 22b to pass through. The tongue portion 22b passes through the slit hole 21b and is bent toward the outer side of the connecting portion 21a.

[0041] As in the Fig. As shown in Figures 1 to 7, in the illustrated embodiment, the first side edge portion 21 and the second side edge portion 22 are welded together. For example, the first side edge portion 21 and the second side edge portion 22 may be welded together by ultrasonic welding.

[0042] As in the Fig. As shown in Figures 1 to 7, the cylindrical body 20 in the illustrated embodiment has front and rear ends opposite each other in its axial direction, and a notch 20a is formed in the rear ends of the first side edge portion 21 and the second side edge portion 22. The notch 20a serves to engage with a protruding tongue 10a formed in the guide groove 121 of the connector housing 1 to position the shielding member 2 in the circumferential direction of the cylindrical body 20.

[0043] The Fig. Fig. 8 shows an illustrative assembly view of the housing 1 and the shielding member 2 of a connector according to an exemplary embodiment of the present invention; Fig. 9 shows an illustrative assembly view of the shielding member 2 and the terminal holder 31 of a connector according to an exemplary embodiment of the present invention; Fig. 10 shows an illustrative exploded view of the shield member 2 and the terminal holder 31 of a connector according to an exemplary embodiment of the present invention.

[0044] As in the Fig. 1 to 10, in the illustrated embodiment, a plurality of first locking springs 2a are formed on the peripheral wall 200 of the cylindrical body 20, and the plurality of first locking springs 2a are distributed at intervals in the circumferential direction of the cylindrical body 20. The first locking spring 2a is located on the outer side of the cylindrical body 20 and extends obliquely toward the front end of the cylindrical body 20 to rest on a first step portion 1a within the socket 101 of the housing of the connector 1 and lock the shielding member 2 in the socket 101 of the connector housing 1.

[0045] As in the Fig. 1 to 10, the shielding member 2 in the illustrated embodiment further includes a plurality of contact springs 23 connected to the front end of the cylindrical body 20 and distributed at intervals in the circumferential direction of the cylindrical body 20. The end of the contact spring 23 is bent inward into a hook shape for establishing electrical contact with an outer peripheral surface of a mating shielding member (not shown) of a mating connector (not shown) inserted into the front end of the shielding member.

[0046] As in the Fig. 1 to 10, in the illustrated embodiment, a plurality of windows 24 and a plurality of contact spring arms 25 are formed at the rear end of the cylindrical body 20, and the plurality of windows 24 are distributed at intervals in the circumferential direction of the cylindrical body 20. The front and rear ends of the contact spring arm 25 are connected to the front and rear side edges of the window 24, respectively, and the contact spring arm 25 is curved inward to make electrical contact with an outer peripheral surface of a shield connecting member 33 inserted into the rear end of the shield member 2.

[0047] As in the Fig. 1 to 10, in the illustrated embodiment, a plurality of second locking springs 2ba are formed on the peripheral wall 200 of the cylindrical body 20. The plurality of second locking springs 2b are distributed at intervals in the circumferential direction of the cylindrical body 20. The second locking spring 2b is located on the inner side of the cylindrical body 20 and extends obliquely toward the front end of the cylindrical body 20 to abut against a second step portion 31b of a terminal holder 31 inserted into the shielding member 2 and prevent the inserted terminal holder 31 from being pulled out of the shielding member 2.

[0048] As in the Fig. 1 to 10, in the illustrated embodiment, a plurality of positioning protrusions 2c are formed on the peripheral wall 200 of the cylindrical body 20, distributed at intervals in the circumferential direction of the cylindrical body 20 and protruding toward the interior of the cylindrical body 20; The positioning protrusion 2c serves to abut against a third step portion 31c of the terminal holder 31 inserted into the shielding member 2 to axially position the inserted terminal holder 31.

[0049] As in the Fig. 1 to 10, in the illustrated embodiment, the shielding member 2 is an integrally stamped part, which can improve manufacturing efficiency and reduce manufacturing costs.

[0050] As in the Fig. 1 to 10, a connector is also disclosed in another exemplary embodiment of the present invention. The connector includes a housing 1 and a shielding member 2. A socket 101 is formed in the housing 1. The shielding member 2 is inserted into the socket 101 of the housing 1. A guide groove 121 is formed on the inner peripheral surface of the socket 101 of the housing 1, extending along the axial direction of the socket 101. The guide groove 121 is connected to the outwardly projecting first side edge portion 21 of the shielding member 2 to ensure that the shielding member 2 is inserted into the socket 101 in the correct orientation.

[0051] As in the Fig. 1 to 10, in the illustrated embodiment, a first step portion 1a is formed on the inner peripheral surface of the socket 101, and the first locking spring 2a of the shielding member 2 is axially pressed against the first step portion 1a to prevent the shielding member 2 from being pulled out of the socket 101 of the housing 1.

[0052] As in the Fig. 1 to 10, the socket 101 in the illustrated embodiment has front and rear terminals that oppose each other in its axial direction, and the shielding member 2 is inserted into the socket 101 through the front terminal. The connector further includes a terminal holder 31 that is cylindrical and is inserted into the cylindrical body 20 of the shielding member 2 through the rear terminal of the socket 101. A second step portion 31b is formed on the terminal holder 31, and the second locking spring 2b of the shielding member 2 is axially pressed against the second step portion 31b to prevent the terminal holder 31 from being pulled out of the shielding member 2.

[0053] As in the Fig. 1 to 10, in the illustrated embodiment, a third step portion 31c is formed on the terminal holder 31, and the positioning projection 2c of the shielding member 2 is axially pressed against the third step portion 31c to axially position the inserted terminal holder 31.

[0054] As in the Fig. 1 to 10, the connector in the illustrated embodiment further includes a terminal (not shown) and a cable 32. The terminal is inserted into the terminal holder 31 to mate with a mating terminal (not shown) of a mating connector inserted into the socket 101. One end of the cable 32 extends through the rear terminal of the socket 101 into the terminal holder 31 and is electrically connected to the terminal.

[0055] As in the Fig. 1 to 10, the connector in the illustrated embodiment further comprises a shield connecting member 33. The shield connecting member 33 has a cylindrical shape, with its front end fitted onto the rear end of the terminal holder 31 and its rear end pressed onto the exposed shielding layer 32a of the cable 32. The front end of the shield connecting member 33 is inserted into the rear end of the shielding member 2 and makes electrical contact with the contact spring arm 25 of the shielding member 2 to establish an electrical connection between the shielding member 2 and the shielding layer 32a of the cable 32.

[0056] As in the Fig. 1 to 10, the connector in the illustrated embodiment further comprises a support sleeve 34 that is placed over the cable 32 to support the rear end of the shielding connection component 33. The exposed shielding layer 32 of the cable 32 is folded back onto the outside of the support sleeve 34 and clamped between the rear end of the shielding connection component 33 and the support sleeve 34.

[0057] As in the Fig. 1 to 10, the connector in the illustrated embodiment further comprises a sealing ring 35 which is placed over the cable 32 and inserted into the rear terminal of the socket 101 to seal the rear terminal of the socket 101.

[0058] As in the Fig. 1 to 10, the connector in the illustrated embodiment further comprises a rear cover 37 and a cable clamp 36. The rear cover 37 is fitted over the cable 32 and secured to the rear end of the housing 1. The cable clamp 36 is fitted over the cable 32 and received in the rear cover 37. The cable clamp 36 has a plurality of elastic claws 368 that surround the cable 32 and clamp the cable 32 under the radial compression of the rear cover 37 to fix the cable 32 to the housing 1.

[0059] As in the Fig. 1 to 10, in the illustrated embodiment, the terminal holder 31, the terminal, the cable 32, the shielding connecting component 33, the support sleeve 34, the sealing ring 35, the cable clamp 36 and the rear cover 37 are pre-assembled to form a cable assembly 3 and inserted together into the socket 101 of the housing 1.

[0060] As in the Fig.1 to 10, in the illustrated embodiment, the housing 1 has a plurality of sockets 101, and the connector has a plurality of shielding members 2, each of which is inserted from the front end of the housing 1 into the plurality of sockets 101. The connector has a plurality of cable assemblies 3, each of which is inserted from the rear end of the housing 1 into the plurality of sockets 101.

[0061] Those skilled in the art should understand that the above embodiments are intended for illustrative purposes only and not as limiting. For example, those skilled in the art may make many modifications to the above embodiments, and various features described in different embodiments may be freely combined without causing conflicts in configuration or principle.

[0062] Although several exemplary embodiments have been shown and described, it will be apparent to those skilled in the art that various changes or modifications may be made to these embodiments without departing from the principles and spirit of the disclosure, the scope of which is defined in the claims and their equivalents.

[0063] As used herein, an element mentioned in the singular and preceded by the word "a" or "an" should be understood not to exclude the plurality of such elements or steps unless such exclusion is expressly stated. Furthermore, references to "one embodiment" of the present invention should not be interpreted to preclude the existence of additional embodiments that also include the recited features. Furthermore, embodiments that "include" or "have" an element or a plurality of elements with a particular characteristic may include additional elements without that characteristic, unless expressly stated to the contrary. QUOTES CONTAINED IN THE DESCRIPTION

[0000] This list of documents submitted by the applicant was generated automatically and is included solely for the convenience of the reader. This list is not part of the German patent or utility model application. The DPMA assumes no liability for any errors or omissions. Cited patent literature

[0000] CN 202410316169.1

[0001]

Claims

[1] A shielding component suitable for insertion into a socket (101) of a connector housing (1), the shielding component (2) comprising a cylindrical body (20) having a peripheral wall (200) for enclosing an internal cavity; the peripheral wall (200) has a first side edge portion (21) and a second side edge portion (22) extending along the axial direction of the cylindrical body (20), wherein the first side edge portion (21) is stacked on the outside of the second side edge portion (22) and connected to the second side edge portion (22); wherein the first side edge portion (21) protrudes from the outer peripheral surface of the cylindrical body (20) and is for mating with a guide groove (121) formed on the inner peripheral surface of the socket (101) of the housing (1) of the connector to ensure that the shielding member (2) is inserted into the socket (101) in the correct orientation. [2] The shielding component according to claim 1, wherein the first side edge portion (21) and the second side edge portion (22) are riveted together. [3] The shielding component according to claim 2, wherein a plurality of openings (22a) are formed in the second side edge portion (22) and are spaced apart from each other in the axial direction of the cylindrical body (20); wherein a plurality of connecting portions (21a) corresponding to the plurality of openings (22a) are formed on the first side edge portion (21), the plurality of connecting portions (21a) each projecting into the plurality of openings (22a) and each being connected to the plurality of openings (22a). [4] The shielding component according to claim 3, wherein a plurality of tongue portions (22b) are formed on the second side edge portion (22), and the plurality of tongue portions (22b) are respectively located in the plurality of openings (22a) and connected to the side edges of the plurality of openings (22a); wherein the outer side of the connecting portion (21a) is concave inwardly and a slit hole (21b) is formed in the connecting portion (21a) to allow the tongue portion (22b) to pass therethrough, the tongue portion (22b) passing through the slit hole (21b) and being bent to the outer side of the connecting portion (21a). [5] The shielding component according to claim 1, wherein the first side edge portion (21) and the second side edge portion (22) are welded together. [6] The shielding member according to claim 1, wherein the cylindrical body (20) has front and rear ends opposite to each other in the axial direction thereof, a notch (20a) is formed in the rear ends of the first side edge portion (21) and the second side edge portion (22), the notch (20a) being for engagement with a protruding tongue (10a) formed in the guide groove (121) of the housing (1) of the connector to position the shielding member (2) in the circumferential direction of the cylindrical body (20). [7] The shielding component according to claim 1, wherein a plurality of first locking springs (2a) are formed on the peripheral wall (200) of the cylindrical body (20), and the plurality of first locking springs (2a) are distributed at intervals in the circumferential direction of the cylindrical body (20); wherein the first locking spring (2a) is located on the outside of the cylindrical body (20) and extends obliquely to the front end of the cylindrical body (20) to rest on a first step portion (1a) within the socket (101) of the housing (1) of the connector and to lock the shielding member (2) in the socket (101) of the housing (1) of the connector. [8] The shielding component according to claim 1, further comprising: a plurality of contact springs (23) connected to the front end of the cylindrical body (20) and distributed at intervals in the circumferential direction of the cylindrical body (20), wherein the end of the contact spring (23) is bent inwardly into a hook shape for establishing electrical contact with an outer peripheral surface of a counter-shielding component of a counter-connector inserted into the front end of the shielding component (2). [9] The shielding component according to claim 1, wherein a plurality of windows (24) and a plurality of contact spring arms (25) respectively located in the plurality of windows (24) are formed at the rear end of the cylindrical body (20), and the plurality of windows (24) are distributed at intervals in the circumferential direction of the cylindrical body (20); wherein the front and rear ends of the contact spring arm (25) are connected to the front and rear side edges of the window (24), respectively, and the contact spring arm (25) is curved inwardly to make electrical contact with an outer peripheral surface of a shielding connecting member (33) inserted into the rear end of the shielding member (2). [10] The shielding component according to claim 1, wherein a plurality of second locking springs (2b) are formed on the peripheral wall (200) of the cylindrical body (20), and the plurality of second locking springs (2b) are distributed at intervals in the circumferential direction of the cylindrical body (20); wherein the second locking spring (2b) is located on the inside of the cylindrical body (20) and extends obliquely to the front end of the cylindrical body (20) to abut against a second step portion (31) of a terminal holder (31) inserted into the shielding member (2) and to prevent the inserted terminal holder (31) from being pulled out of the shielding member (2). [11] The shielding component according to claim 1, wherein a plurality of positioning projections (2c) are formed on the peripheral wall (200) of the cylindrical body (20), which are distributed at intervals in the circumferential direction of the cylindrical body (20) and protrude towards the interior of the cylindrical body (20); wherein the positioning projection (2c) serves to abut against a third step portion (31c) of the terminal holder (31) inserted into the shielding member (2) in order to axially position the inserted terminal holder (31). [12] The shielding member according to any one of claims 1 to 11, wherein the shielding member (2) is a one-piece stamped part. [13] A connector comprising: a housing (1) formed with a socket (101); and the shielding component (2) according to one of claims 1 to 12, which is inserted into the socket (101) of the housing (1), wherein a guide groove (121) extending along the axial direction of the socket (101) is formed on the inner peripheral surface of the socket (101) of the housing (1), and the guide groove (121) is fitted to the first side edge portion (21) projecting outwardly on the shielding member (2) to ensure that the shielding member (2) is inserted into the socket (101) in the correct orientation. [14] The connector according to claim 13, wherein a first step portion (1a) is formed on the inner peripheral surface of the socket (101), and the first locking spring (2a) of the shielding member (2) is axially pressed against the first step portion (1a) to prevent the shielding member (2) from being pulled out of the socket (101) of the housing (1). [15] The connector according to claim 13, wherein the socket (101) has front and rear terminals opposite each other in its axial direction, and the shielding member (2) is inserted into the socket (101) through the front terminal; the connector continues to be comprehensive: a terminal holder (31) which is cylindrical and is inserted through the rear terminal of the socket (101) into the cylindrical body (20) of the shielding component (2), wherein a second step portion (31b) is formed on the terminal holder (31), and the second locking spring (2b) of the shielding member (2) is pressed axially against the second step portion (31b) to prevent the terminal holder (31) from being pulled out of the shielding member (2). [16] The connector according to claim 15, wherein a third step portion (31c) is formed on the terminal holder (31), and the positioning projection (2c) of the shielding member (2) is axially pressed against the third step portion (31c) to axially position the inserted terminal holder (31). [17] The connector of claim 15, further comprising: a terminal inserted into the terminal holder (31) to be mated with a mating terminal of a mating connector inserted into the socket (101); and a cable (32), one end of which extends through the rear terminal of the socket (101) into the terminal holder (31) and is electrically connected to the terminal. [18] The connector of claim 17, further comprising: a shield connecting member (33) which is cylindrical in shape, with its front end fitted onto the rear end of the terminal holder (31) and its rear end pressed onto the exposed shield layer (6a) of the cable (32); a support sleeve (34) fitted onto the cable (32) to support the rear end of the shielding connecting member (33); and a sealing ring (35) placed on the cable (32) and inserted into the rear terminal of the socket (101) to seal the rear terminal of the socket (101), wherein the front end of the shielding connecting component (33) is inserted into the rear end of the shielding component (2) and electrically contacts the contact spring arms (25) of the shielding component (2) in order to establish an electrical connection between the shielding component (2) and the shielding layer (6a) of the cable (32), wherein the exposed shielding layer (32) of the cable (32) is folded back onto the outside of the support sleeve (34) and clamped between the rear end of the shielding connecting component (33) and the support sleeve (34). [19] The connector of claim 18, further comprising: a rear cover (37) placed on the cable (32) and secured to the rear end of the housing (1); and a cable clamp (36) which is placed on the cable (32) and accommodated in the rear cover (37), wherein the cable clamp (36) has a plurality of elastic claws (368) surrounding the cable (32) and clamping the cable (32) under the radial compression of the rear cover (37) to fix the cable (32) to the housing (1), wherein the terminal holder (31), the terminal, the cable (32), the shielding connection component (33), the support sleeve (34), the sealing ring (35), the cable clamp (36) and the rear cover (37) are pre-assembled to form a cable assembly (3) and are inserted together into the socket (101) of the housing (1). [20] The connector according to claim 19, wherein the housing (1) has a plurality of sockets (101) and the connector has a plurality of shielding members (2) each inserted from the front end of the housing (1) into the plurality of sockets (101); wherein the connector comprises a plurality of cable assemblies (3) each inserted from the rear end of the housing (1) into the plurality of sockets (101).

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