Grounding link and connector

Abstract

The present invention provides a grounding link and a connector. The grounding link comprises: a cylindrical body (40) with a C-shaped cross section, having opposite front and rear ends in its axial direction and an opening (401) extending between the front and rear ends; an elastic arm (41) connected to the front end of the cylindrical body (40) for electrical contact with a ground terminal (3) of a connector; a pair of side wings (42) each connected to the two sides of the opening (401) of the cylindrical body (40) and spreading in opposite directions; and a pair of elastic plates (43) each formed on the pair of side wings (42) for electrical contact with an outer shield shell (1) of the connector.According to the present invention, the grounding link can reliably establish electrical contact with the grounding terminal and the outer shield shell, thereby establishing a reliable and stable electrical connection between the grounding terminal and the outer shield shell and improving safety during use of the product. Furthermore, the assembly of the grounding link of the present invention is very simple, simplifying the assembly process of the connector.

Description

Cross-reference to related registration

[0001] The present application claims the benefit of Chinese patent application No. CN202410466723.4, which was filed with the Chinese Patent Office on April 17, 2024 and is incorporated herein in its entirety by reference. Background of the invention / Field of invention

[0002] The present invention relates to an earthing connection element and a connector comprising the earthing connection element. State of the art

[0003] Due to the increasing current-carrying capacity of connectors, reliable grounding protection must be provided to ensure the safe operation of electrical equipment. According to current technology, a spring is typically used to electrically connect the connector's grounding terminal to the outer shielding shell. However, the electrical contact provided by the spring is unreliable, potentially resulting in poor or ineffective electrical contact and thus creating safety hazards. Summary of the invention

[0004] The present invention aims to eliminate or mitigate at least one aspect of the aforementioned disadvantages.

[0005] According to one aspect of the present invention, a grounding connector is provided. The grounding connector comprises: a cylindrical body with a C-shaped cross-section, having opposite front and rear ends in its axial direction and an opening extending between the front and rear ends; an elastic arm connected to the front end of the cylindrical body for electrical contact with a grounding terminal of a connector; a pair of side wings, each connected to the two sides of the opening of the cylindrical body and spreading in opposite directions; and a pair of elastic plates, each formed on the pair of side wings for electrical contact with an outer shielding shell of the connector.

[0006] According to an exemplary embodiment of the present invention, the grounding connecting element comprises several elastic arms which are distributed at intervals in the circumferential direction of the cylindrical body for simultaneous electrical contact with the outer circumferential surface of the grounding connection extending through the cylindrical body.

[0007] According to another exemplary embodiment of the present invention, the cylindrical body of the earthing connecting element is designed to be press-fitted into a slotted hole of an inner insulation housing of the connector in order to fix the cylindrical body to the slotted hole of the inner insulation housing.

[0008] According to a further exemplary embodiment of the present invention, the side wings of the earthing connecting element are designed to be embedded in recesses on the outside of the inner insulation housing in order to fix the side wings of the earthing connecting element in the recesses on the outside of the inner insulation housing.

[0009] According to a further exemplary embodiment of the present invention, a snap slot is formed on the side wing of the earthing connecting element, which is suitable for engaging with a projection in the recess of the inner insulation housing in order to fix the side wing to the inner insulation housing.

[0010] According to a further exemplary embodiment of the present invention, the elastic plate extends obliquely from the rear side of the side wing to the rear and outwards for electrical contact with the inner circumferential surface of the outer shielding shell.

[0011] According to another exemplary embodiment of the present invention, the grounding connecting element is an integrated, stamped part.

[0012] According to a further exemplary embodiment of the present invention, the grounding connecting member has the shape of a bird spreading its wings and flying, wherein the cylindrical body corresponds to the body of the bird, the elastic arm corresponds to the head of the bird, and the pair of side wings corresponds to the pair of wings of the bird.

[0013] According to a further exemplary embodiment of the present invention, a connector is provided. The connector comprises: an outer shielding shell; an inner insulating housing installed in the outer shielding shell; the aforementioned grounding connector inserted into the inner insulating housing; and a grounding terminal inserted into the inner insulating housing and extending axially through the cylindrical body of the grounding connector. The elastic arm of the grounding connector is in electrical contact with the outer side of the grounding terminal, and the elastic portion of the grounding connector is in electrical contact with the inner side of the outer shielding shell to electrically connect the grounding terminal to the outer shielding shell.

[0014] According to an exemplary embodiment of the present invention, a slotted hole is formed in the inner insulation housing and the slotted hole has an installation opening arranged on the outer circumferential surface of the inner insulation housing, wherein the cylindrical body of the earthing connecting element is inserted into the slotted hole through the installation opening.

[0015] According to another exemplary embodiment of the present invention, the cylindrical body of the grounding connecting member is press-fitted to the inner wall of the slotted hole of the inner insulation housing in order to fix the cylindrical body to the slotted hole of the inner insulation housing.

[0016] According to a further exemplary embodiment of the present invention, a recess connected to the slot hole is formed on the outer circumferential surface of the inner insulation housing and the side wing of the earthing connecting element is embedded in the recess of the inner insulation housing, wherein the elastic part of the earthing connecting element protrudes from the recess for electrical contact with the inner side of the outer shielding shell.

[0017] According to a further exemplary embodiment of the present invention, a projection is formed in the recess of the inner insulation housing, wherein the projection engages with the snap slot in the side wing of the earthing connecting member in order to fix the side wing of the earthing connecting member in the recess of the inner insulation housing.

[0018] According to a further exemplary embodiment of the present invention, the connector further comprises a terminal holder which is inserted into the inner insulation housing and is designed with a terminal holding cylinder, wherein the rear end of the grounding terminal is held in the terminal holding cylinder.

[0019] According to a further exemplary embodiment of the present invention, the cross-section of the terminal holding cylinder is C-shaped and has an opening extending along its axial direction, so that the terminal holding cylinder can be elastically deformed in its radial direction; wherein the rear end of the grounding terminal is press-fitted to the inner circumferential surface of the terminal holding cylinder in order to hold the grounding terminal in the terminal holding cylinder.

[0020] According to a further exemplary embodiment of the present invention, an annular projection is formed on the inner side of the front end of the terminal holding cylinder, wherein an annular groove is formed on the grounding terminal and the annular projection engages in the annular groove to fix the grounding terminal to the terminal holder.

[0021] According to a further exemplary embodiment of the present invention, the annular groove of the grounding connection is arranged in the cylindrical body of the grounding connecting member and the front end of the connection holding cylinder is inserted into the cylindrical body of the grounding connecting member and engages in the annular groove.

[0022] According to a further exemplary embodiment of the present invention, the cylindrical body of the grounding connecting element is clamped and fixed between the inner circumferential surface of the slotted hole of the inner insulation housing and the outer circumferential surface of the front end of the connection holding cylinder.

[0023] According to a further exemplary embodiment of the present invention, the connector further comprises a signal terminal which is inserted into the inner insulation housing, wherein the terminal holder comprises several terminal holding cylinders and the rear ends of the grounding terminal and the signal terminal are each held in the several terminal holding cylinders.

[0024] According to a further exemplary embodiment of the present invention, the rear end of the grounding connection is suitable for an electrical connection with a grounding cable and the front end of the grounding connection extends from the cylindrical body of the grounding connection element for a connection with a complementary grounding connection of a complementary connector, the rear end of the signal connection is suitable for an electrical connection with a signal cable and the front end of the signal connection extends from the connection retaining cylinder for a connection with a complementary signal connection of the complementary connector.

[0025] In the exemplary embodiments of the present invention mentioned above, the grounding connector can establish a reliable electrical contact with the grounding terminal and the outer shielding shell, thereby achieving a reliable and stable electrical connection between the grounding terminal and the outer shielding shell and improving safety during product use. Furthermore, the grounding connector of the present invention is very easy to assemble, thus simplifying the connector assembly process. Brief description of the drawings

[0026] The above-mentioned and other features of the present invention are clarified by the following description of exemplary embodiments with reference to the accompanying drawings. Fig. Figure 1 is an illustrative perspective view of a connector according to an exemplary embodiment of the present invention. Fig. Figure 2 is an illustrative exploded view of a connector according to an exemplary embodiment of the present invention. Fig. Figure 3 is an illustrative assembly view of the inner insulation housing, the grounding connection, the grounding link and the connector holder of a connector according to an exemplary embodiment of the present invention. Fig. Figure 4 is an illustrative exploded view of the inner insulation housing, the grounding terminal, the grounding connecting element and the terminal holder of a connector according to an exemplary embodiment of the present invention. Fig. Figure 5 is an illustrative assembly view of the grounding connection, the grounding connecting element and the connector holder of a connector according to an exemplary embodiment of the present invention. Fig. Figure 6 is an illustrative exploded view of the grounding terminal, the grounding connecting element and the terminal holder of a connector according to an exemplary embodiment of the present invention. Fig. Figure 7 is a further illustrative exploded view of the grounding terminal, the grounding connecting element and the terminal holder of a connector according to an exemplary embodiment of the present invention. Fig. Figure 8 is an illustrative assembly view of the grounding terminal and the grounding connecting element of a connector according to an exemplary embodiment of the present invention. Fig. Figure 9 is an illustrative exploded view of the grounding terminal and the grounding connecting element of a connector according to an exemplary embodiment of the present invention. Fig. Figure 10 is an illustrative perspective view of an earthing connection element of a connector according to an exemplary embodiment of the present invention. Detailed description of preferred embodiments of the present invention

[0027] Exemplary embodiments of the present invention are described in detail below with reference to the accompanying drawings, using the same reference numerals throughout to refer to the same elements. However, the invention can also be embodied by various other embodiments and is not limited to the embodiment described here. The embodiments described here are intended to clarify the concept of the present invention for those skilled in the art.

[0028] The following detailed description explains numerous specific details to clarify the described embodiments. However, it should be clear that one or more embodiments can also be realized without these specific details. Furthermore, well-known structures and equipment are shown only schematically to simplify the drawings.

[0029] According to a general concept of the present invention, a grounding connector is provided. The grounding connector comprises: a cylindrical body with a C-shaped cross-section, having opposite front and rear ends in its axial direction and an opening extending between the front and rear ends; an elastic arm connected to the front end of the cylindrical body for electrical contact with a grounding terminal of a connector; a pair of side wings, each connected to both sides of the opening of the cylindrical body and spreading in opposite directions; and a pair of elastic plates, each formed on the pair of side wings for electrical contact with an outer shielding shell of the connector.

[0030] According to another general concept of the present invention, a connector is provided. The connector comprises: an outer shielding shell; an inner insulating housing installed in the outer shielding shell; the aforementioned grounding connector inserted into the inner insulating housing; and a grounding terminal inserted into the inner insulating housing and extending axially through the cylindrical body of the grounding connector. The elastic arm of the grounding connector is in electrical contact with the outer side of the grounding terminal, and the elastic portion of the grounding connector is in electrical contact with the inner side of the outer shielding shell to electrically connect the grounding terminal to the outer shielding shell.

[0031] Fig. Figure 1 is an illustrative perspective view of a connector according to an exemplary embodiment of the present invention. Fig. Figure 2 is an illustrative exploded view of a connector according to an exemplary embodiment of the present invention. Fig. Figure 3 is an illustrative assembly view of the inner insulation housing 2, the earthing terminal 3, the earthing connecting element 4 and the terminal holder 5 of a connector according to an exemplary embodiment of the present invention. Fig. Figure 4 is an illustrative exploded view of the inner insulation housing 2, the earthing terminal 3, the earthing connecting element 4 and the terminal holder 5 of a connector according to an exemplary embodiment of the present invention. Fig. Figure 5 is an illustrative assembly view of the earthing terminal 3, the earthing connecting element 4 and the terminal holder 5 of a connector according to an exemplary embodiment of the present invention. Fig. Figure 6 is an illustrative exploded view of the grounding terminal 3, the grounding connecting element 4 and the terminal holder 5 of a connector according to an exemplary embodiment of the present invention. Fig. Figure 7 is a further illustrative exploded view of the grounding terminal 3, the grounding connecting element 4 and the terminal holder 5 of a connector according to an exemplary embodiment of the present invention. Fig. Figure 8 is an illustrative assembly view of the earthing terminal 3 and the earthing connecting element 4 of a connector according to an exemplary embodiment of the present invention. Fig. Figure 9 is an illustrative exploded view of the grounding terminal 3 and the grounding connecting element 4 of a connector according to an exemplary embodiment of the present invention. Fig. Figure 10 is an illustrative perspective view of the grounding connection element 4 of a connector according to an exemplary embodiment of the present invention.

[0032] As in Fig. Figures 1 to 10 show an exemplary embodiment of the present invention comprising a grounding connection element 4. The grounding connection element 4 includes a cylindrical body 40, an elastic arm 41, a pair of side wings 42, and a pair of elastic plates 43. The cross-section of the cylindrical body 40 is C-shaped, and the cylindrical body 40 has opposite front and rear ends in its axial direction, as well as an opening 401 extending between the front and rear ends. The elastic arm 41 is connected to the front end of the cylindrical body 40 for electrical contact with a grounding terminal 3 of a connector. The pair of side wings 42 are each connected to both sides of the opening 401 of the cylindrical body 40 and spread out in opposite directions.The pair of elastic plates 43 are each formed on the pair of side wings 42 for electrical contact with an outer shielding shell 1 of the connector.

[0033] As in Fig. As shown in Figures 1 to 10, in the embodiment shown, the earthing connecting member 4 comprises several elastic arms 41 which are distributed at intervals in the circumferential direction of the cylindrical body 40 for simultaneous electrical contact with the outer circumferential surface of the earthing connection 3 extending through the cylindrical body 40.

[0034] As in Fig. As shown in Figures 1 to 10, in the illustrated embodiment the cylindrical body 40 of the earthing connecting member 4 is designed to be press-fitted into the slotted hole 21 of the inner insulation housing 2 of the connector in order to fix the cylindrical body 40 to the slotted hole 21 of the inner insulation housing 2.

[0035] As in Fig. Figures 1 to 10 show that in the illustrated embodiment the side wings 42 of the earthing connecting member 4 are designed to be embedded in the recesses 22 on the outer side of the inner insulation housing 2 in order to fix the side wings 42 of the earthing connecting member 4 in the recesses 22 on the outer side of the inner insulation housing 2.

[0036] As in Fig. As shown in Figures 1 to 10, in the illustrated embodiment a snap slot 42a is formed in the side wing 42 of the earthing connecting member 4, which is suitable for engaging with a projection 22a in the recess 22 of the inner insulation housing 2 in order to fix the side wing 42 to the inner insulation housing 2.

[0037] As in Fig. As shown in Figures 1 to 10, in the embodiment shown, the elastic plate 43 extends obliquely from the rear side of the side wing 42 to the rear and outwards for electrical contact with the inner circumferential surface of the outer shielding shell 1.

[0038] As in Fig. As shown in Figures 1 to 10, in the illustrated embodiment the grounding connector 4 is an integrated stamped part. This reduces manufacturing costs and improves production efficiency.

[0039] As in Fig. As shown in Figures 1 to 10, in the embodiment shown, the grounding connecting member 4 has the shape of a bird spreading its wings, wherein the cylindrical body 10 corresponds to the body of the bird, the elastic arm 41 corresponds to the head of the bird, and the pair of side wings corresponds to the wings of the bird.

[0040] In the exemplary embodiments described above according to the present invention, the grounding connector 4 has the shape of a bird. The bird's head is in reliable electrical contact with the grounding terminal 3. The bird's wings are in reliable electrical contact with the outer shielding shell 1. Therefore, the grounding connector 4 can establish reliable electrical contact with the grounding terminal 3 and the outer shielding shell 1, thereby achieving a reliable and stable electrical connection between the grounding terminal 3 and the outer shielding shell 1 and improving the safety of the product. Furthermore, the grounding connector 4 of the present invention is very easy to assemble, thus simplifying the assembly process of the connector.

[0041] As in Fig. Figures 1 to 10 show that, in another exemplary embodiment of the present invention, a connector is also provided. The connector comprises an outer shielding shell 1, an inner insulating housing 2, a grounding connection 4, and a grounding terminal 3. The inner insulating housing 2 is installed in the outer shielding shell 1. The grounding connection 4 is inserted into the inner insulating housing 2. The grounding terminal 3 is inserted into the inner insulating housing 2 and extends axially through the cylindrical body 40 of the grounding connection 4. The elastic arm 41 of the grounding connection 4 is in electrical contact with the outer side of the grounding terminal 3, and the elastic part 43 of the grounding connection 4 is in electrical contact with the inner side of the outer shielding shell 1, in order to electrically connect the grounding terminal 3 to the outer shielding shell 1.

[0042] As in Fig. As shown in Figures 1 to 10, in the illustrated embodiment a slotted hole 21 is formed in the inner insulation housing 2 and the slotted hole 21 has an installation opening arranged on the outer circumferential surface of the inner insulation housing 2. The cylindrical body 40 of the grounding connection element 4 is inserted into the slotted hole 21 through the installation opening.

[0043] As in Fig. As shown in Figures 1 to 10, in the illustrated embodiment the cylindrical body 40 of the earthing connecting member 4 is press-fitted to the inner wall of the slotted hole 21 of the inner insulation housing 2 in order to fix the cylindrical body 40 in the slotted hole 21 of the inner insulation housing 2.

[0044] As in Fig. As shown in Figures 1 to 10, in the illustrated embodiment a recess 22 connected to the slot 21 is formed on the outer circumferential surface of the inner insulation housing 2, and the side wings 42 of the grounding connection element 4 are embedded in the recess 22 of the inner insulation housing 2. The elastic part 43 of the grounding connection element 4 projects from the recess 22 to make electrical contact with the inner side of the outer shielding shell 1.

[0045] As in Fig. As shown in Figures 1 to 10, in the embodiment shown a projection 22a is formed in the recess 22 of the inner insulation housing 2, which engages with the snap slot 42a on the side wing 42 of the earthing connecting member 4 in order to fix the side wing 42 of the earthing connecting member 4 in the recess 22 of the inner insulation housing 2.

[0046] As in Fig. As shown in Figures 1 to 10, in the illustrated embodiment the connector further comprises a terminal holder 5 which is inserted into the inner insulation housing 2 and is formed with a terminal retaining cylinder 50. The rear end 32 of the grounding terminal 3 is held in the terminal retaining cylinder 50.

[0047] As in Fig. As shown in Figures 1 to 10, in the illustrated embodiment the cross-section of the terminal retaining cylinder 50 has a C-shape and an opening extending along its axial direction, so that the terminal retaining part 50 can be elastically deformed in its radial direction. The rear end 32 of the grounding terminal 3 is press-fitted to the inner circumferential surface of the terminal retaining cylinder 50 in order to hold the grounding terminal 3 in the terminal retaining cylinder 50.

[0048] As in Fig. As shown in Figures 1 to 10, in the illustrated embodiment an annular projection 5a is formed on the inner side of the front end 51 of the terminal retaining cylinder 50 and an annular groove 3a is formed on the grounding terminal 3. The annular projection 5a engages in the annular groove 3a to fix the grounding terminal 3 to the terminal holder 5.

[0049] As in Fig. As shown in Figures 1 to 10, in the illustrated embodiment the annular groove 3a is arranged on the earthing connection 3 in the cylindrical body 40 of the earthing connecting member 4 and the front end 51 of the connection holding cylinder 50 is inserted into the cylindrical body 40 of the earthing connecting member 4 and engages in the annular groove 3a.

[0050] As in Fig. As shown in Figures 1 to 10, in the illustrated embodiment the cylindrical body 40 of the earthing connection 4 is clamped and fixed between the inner circumferential surface of the slotted hole 21 of the inner insulation housing 2 and the outer circumferential surface of the front end 51 of the connection holding cylinder 50.

[0051] As in Fig. As shown in Figures 1 to 10, in the illustrated embodiment the connector also includes a signal terminal (not shown). The signal terminal is inserted into the inner insulating housing 2. The terminal holder 5 comprises several terminal retaining cylinders 50, wherein the rear ends of the grounding terminal 3 and the signal terminal are each held in the several terminal retaining cylinders 50.

[0052] As in Fig.As shown in Figures 1 to 10, in the illustrated embodiment the rear end 32 of the grounding terminal 3 is suitable for an electrical connection with a grounding cable (not shown), wherein the front end 31 of the grounding terminal 3 extends from the cylindrical body 40 of the grounding connector 4 for connection with a complementary grounding terminal (not shown) of a complementary connector (not shown). The rear end of the signal terminal is suitable for an electrical connection with a signal cable (not shown), and the front end of the signal terminal extends from the terminal retaining cylinder 50 for connection with a complementary signal terminal (not shown) of the complementary connector.

[0053] It should be clear to those skilled in the art that the embodiments described above are to be understood as illustrative and not as limiting. For example, those skilled in the art can make numerous modifications to the embodiments described here, and the features described here for different embodiments can be freely combined without any conflicts arising with regard to the configuration or the principle.

[0054] Various exemplary embodiments have been shown and described above, but it should be clear to the person skilled in the art that various changes or modifications can be made to these embodiments without thereby departing from the scope of the invention as defined by the claims and their equivalents.

[0055] In singular formulations, this can also refer to several of the mentioned elements or steps, unless explicitly excluded. Furthermore, references to "one embodiment" of the present invention do not preclude the existence of other embodiments that also possess the mentioned features. And when it is stated that embodiments "comprise" or "have" an element or a plurality of elements with a certain property, further such elements without the mentioned property may also exist. QUOTES INCLUDED IN THE DESCRIPTION

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

[0000] CN 202410466723.4

[0001]

Claims

[1] Earthing connecting element, comprising: a cylindrical body (40) with a C-shaped cross-section, having opposite front and rear ends in its axial direction and an opening (401) extending between the front and rear ends, an elastic arm (41) which is connected to the front end of the cylindrical body (40) for an electrical contact with an earthing terminal (3) of a connector, a pair of side wings (42) which are each connected to the two sides of the opening (401) of the cylindrical body (40) and spread in opposite directions, and a pair of elastic plates (43) each formed on the pair of side wings (42) for electrical contact with an outer shielding shell (1) of the connector. [2] Earthing connecting element according to claim 1, wherein the earthing connecting element (4) comprises several elastic arms (41) which are distributed at intervals in the circumferential direction of the cylindrical body (40) for simultaneous electrical contact with the outer circumferential surface of the earthing terminal (3) extending through the cylindrical body (40). [3] Earthing connection member according to claim 1, wherein the cylindrical body (40) of the earthing connection member (4) is designed to be press-fitted into a slotted hole (21) of an inner insulation housing (2) of the connector in order to fix the cylindrical body (40) to the slotted hole (21) of the inner insulation housing (2). [4] Earthing connecting member according to claim 3, wherein the side wings (42) of the earthing connecting member (4) are designed to be embedded in recesses (22) on the outside of the inner insulation housing (2) in order to fix the side wings (42) of the earthing connecting member (4) in the recesses (22) on the outside of the inner insulation housing (2). [5] Earthing connecting member according to claim 4, wherein a snap slot (42a) is formed on the side wing (42) of the earthing connecting member (4) which is suitable for engaging with a projection (22a) in the recess (22) of the inner insulation housing (2) in order to fix the side wing (42) to the inner insulation housing (2). [6] Earthing connection element according to claim 1, wherein the elastic plate (43) extends obliquely from the rear side of the side wing (42) to the rear and outwards for electrical contact with the inner circumferential surface of the outer shielding shell (1). [7] Earthing connecting element according to claim 1, wherein the earthing connecting element (4) is an integrated, stamped part. [8] Earthing connecting element according to any one of claims 1 to 7, wherein the earthing connecting element (4) has the shape of a bird spreading its wings and flying, wherein the cylindrical body (40) corresponds to the body of the bird, the elastic arm (41) corresponds to the head of the bird and the pair of side wings (42) corresponds to the pair of wings of the bird. [9] Connectors, including: an outer shielding shell (1), an inner insulation housing (2) installed in the outer shielding shell (1), the earthing connecting element (4) according to one of claims 1-8, which is inserted into the inner insulation housing (2), and an earthing connection (3) which is inserted into the inner insulation housing (2) and extends axially through the cylindrical body (40) of the earthing connecting element (4), wherein the elastic arm (41) of the earthing connecting member (4) is in electrical contact with the outer side of the earthing terminal (3) and the elastic part (43) of the earthing connecting member (4) is in electrical contact with the inner side of the outer shielding shell (1) to electrically connect the earthing terminal (3) to the outer shielding shell (1). [10] Connectors according to claim 9, wherein a slotted hole (21) is formed in the inner insulation housing (2) and the slotted hole (21) has an installation opening arranged on the outer circumferential surface of the inner insulation housing (2), wherein the cylindrical body (40) of the earthing connecting member (4) is inserted through the installation opening into the slotted hole (21), wherein the cylindrical body (40) of the earthing connecting member (4) is press-fitted to the inner wall of the slotted hole (21) of the inner insulation housing (2) in order to fix the cylindrical body (40) to the slotted hole (21) of the inner insulation housing (2). [11] Connectors according to claim 10, wherein a recess (22) connected to the slotted hole (21) is formed on the outer circumferential surface of the inner insulation housing (2) and the side wing (42) of the earthing connecting member (4) is embedded in the recess (22) of the inner insulation housing (2), wherein the elastic part (43) of the earthing connecting member (4) protrudes from the recess (22) for electrical contact with the inner side of the outer shielding shell (1). [12] Connector according to claim 11, wherein a projection (22) is formed in the recess (22) of the inner insulation housing (2), wherein the projection (22) engages with the snap slot (42a) in the side wing (42) of the earthing connecting member (4) to fix the side wing (42) of the earthing connecting member (4) in the recess (22) of the inner insulation housing (2). [13] Connector according to any one of claims 9-11, further comprising: a connection holder (5) which is inserted into the inner insulation housing (2) and is designed with a connection holding cylinder (50), wherein the rear end (32) of the earthing terminal (3) is held in the terminal holding cylinder (50). [14] Connectors according to claim 13, wherein the cross-section of the connection holding cylinder (50) is C-shaped and has an opening extending along its axial direction, so that the connection holding cylinder (50) can be elastically deformed in its radial direction, wherein the rear end (32) of the earthing terminal (3) is press-fitted to the inner circumferential surface of the terminal holding cylinder (50) in order to hold the earthing terminal (3) in the terminal holding cylinder (50). [15] Connectors according to claim 14, wherein an annular projection (5a) is formed on the inner side of the front end (51) of the terminal holding cylinder (50), an annular groove (3a) is formed on the grounding terminal (3) and the annular projection (5a) engages in the annular groove (3a) to fix the grounding terminal (3) to the terminal holder (5), wherein the annular groove (3a) is arranged at the earthing terminal (3) in the cylindrical body (40) of the earthing connecting member (4) and the front end (51) of the terminal retaining cylinder (50) is inserted into the cylindrical body (40) of the earthing connecting member (4) and engages in the annular groove (3a). [16] Connector according to claim 15, wherein the cylindrical body (40) of the earthing connecting member (4) is clamped and fixed between the inner circumferential surface of the slotted hole (21) of the inner insulation housing (2) and the outer circumferential surface of the front end (51) of the connection retaining cylinder (50). [17] Connector according to claim 13, further comprising: a signal connector which is plugged into the inner insulation housing (2), wherein the connector holder (5) comprises several connector holding cylinders (50) and the rear ends of the earthing connector (3) and the signal connector are each held in several connector holding cylinders (50).

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