Grounding connection member and connector

Abstract

To provide a grounding connection member and a connector that are capable of achieving a reliable and stable electrical connection and improving the safety of product use.SOLUTION: A grounding connection member comprises: a cylindrical body with a C-shaped cross-section, where the cylindrical body has a front end and a rear end opposite each other in an axial direction of the cylindrical body and an opening extending between the front end and the rear end of the cylindrical body; an elastic arm 41 connected to the front end of the cylindrical body for electrically contacting a grounding terminal 3 of a connector; a pair of side wings 42 connected to respective sides of the opening of the cylindrical body and spread in opposite directions; and a pair of elastic sheets 43 formed on the respective pair of side wings for electrically contacting an outer shielding shell of the connector.SELECTED DRAWING: Figure 8

Description

[Technical Field]

[0001] CROSS-REFERENCE TO RELATED APPLICATIONS This application claims the benefit of Chinese Patent Application No. CN202410466723.4, filed with the State Intellectual Property Office of China on April 17, 2024, the entire disclosure of which is incorporated herein by reference.

[0002] The present invention relates to a ground connection member and a connector including the ground connection member. [Background technology]

[0003] In the prior art, as connector current carrying capacity increases, reliable grounding protection is required for the connector to ensure safe operation of electrical equipment. In the prior art, a spring is typically used to electrically connect the connector's ground terminal to the connector's outer shield shell. However, the electrical contact of the spring is unreliable and prone to poor or ineffective electrical contact, which can pose a safety hazard. Summary of the Invention [Problem to be solved by the invention]

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

[0005] According to one aspect of the present invention, there is provided a ground connection member comprising: a cylindrical body having a C-shaped cross section, a front end and a rear end on opposite axial sides of the cylindrical body, and an opening extending between the front and rear ends of the cylindrical body; a resilient arm connected to the front end of the cylindrical body for electrical contact with a ground terminal of a connector; a pair of side wings connected to either side of the opening of the cylindrical body and extending in opposite directions; and a pair of resilient sheets formed on the pair of side wings for electrical contact with an outer shield shell of the connector.

[0006] According to an exemplary embodiment of the present invention, the ground connection member comprises a plurality of resilient arms spaced circumferentially about the tubular body for simultaneous electrical contact with the outer circumferential surface of the ground terminal passing through the tubular body.

[0007] According to another exemplary embodiment of the present invention, the tubular body of the ground connection member is adapted to be inserted into the slot hole of the inner insulating housing of the connector with a tight fit, thereby fixing the tubular body to the slot hole of the inner insulating housing.

[0008] According to another exemplary embodiment of the present invention, the side wings of the ground connection member are adapted to be embedded in recesses in the outer surface of the inner insulating housing, thereby fixing the side wings of the ground connection member to the recesses in the outer surface of the inner insulating housing.

[0009] According to another exemplary embodiment of the present invention, snap slots are formed in the side wings of the ground connection member, and the snap slots are suitable for engaging with protrusions in the recesses of the inner insulating housing to secure the side wings to the inner insulating housing.

[0010] According to another exemplary embodiment of the present invention, the elastic sheet extends obliquely in a rearward and outward direction from the rear side of the side wing for electrical contact with the inner peripheral surface of the outer shield shell.

[0011] According to another exemplary embodiment of the present invention, the ground connection member is a one-piece stamped part.

[0012] According to another exemplary embodiment of the present invention, the ground connection member has a shape of a bird flying with its wings spread, the cylindrical body is the bird's body, the elastic arm is the bird's head, and the pair of side wings is the bird's pair of wings.

[0013] According to another aspect of the present invention, there is provided a connector comprising an outer shield shell, an inner insulating housing attached to the outer shield shell, the above-mentioned ground connection member inserted into the inner insulating housing, and a ground terminal inserted into the inner insulating housing and passing axially through the cylindrical body of the ground connection member, wherein the resilient arms of the ground connection member are in electrical contact with the outer surface of the ground terminal, and the resilient pieces of the ground connection member are in electrical contact with the inner surface of the outer shield shell, electrically connecting the ground terminal to the outer shield shell.

[0014] According to an exemplary embodiment of the present invention, a slotted hole is formed in the inner insulating housing, the slotted hole has an attachment port disposed on the outer circumferential surface of the inner insulating housing, and the cylindrical body of the ground connection member is inserted into the slotted hole through the attachment port.

[0015] According to another exemplary embodiment of the present invention, the cylindrical body of the ground connection member is interference-fitted with the inner wall of the slotted hole of the inner insulating housing to secure the cylindrical body to the slotted hole of the inner insulating housing.

[0016] According to another exemplary embodiment of the present invention, a recess communicating with the slot hole is formed on the outer peripheral surface of the inner insulating housing, the side wings of the ground connection member are embedded in the recess of the inner insulating housing, and the elastic pieces of the ground connection member protrude from the recess for electrical contact with the inner surface of the outer shielding shell.

[0017] According to another exemplary embodiment of the present invention, a protrusion is formed in the recess of the inner insulating housing, and the protrusion engages with a snap slot in the side wing of the ground connection member to secure the side wing of the ground connection member in the recess of the inner insulating housing.

[0018] According to another exemplary embodiment of the present invention, the connector further includes a terminal holder inserted into the inner insulating housing and having a terminal retaining cylinder formed thereon, and the rear end of the ground terminal is retained in the terminal retaining cylinder.

[0019] According to another exemplary embodiment of the present invention, the cross section of the terminal retaining tube is C-shaped and has an opening extending along its axial direction, allowing the terminal retaining tube to undergo elastic deformation in its radial direction, and the rear end of the ground terminal fits tightly against the inner surface of the terminal retaining tube to retain the ground terminal in the terminal retaining tube.

[0020] According to another exemplary embodiment of the present invention, an annular protrusion is formed on the inner surface of the front end of the terminal retaining barrel, an annular groove is formed in the ground terminal, and the annular protrusion is fitted into the annular groove to fix the ground terminal to the terminal holder.

[0021] According to another exemplary embodiment of the present invention, the annular groove of the ground terminal is disposed in the cylindrical body of the ground connection member, and the front end of the terminal holding cylinder is inserted into the cylindrical body of the ground connection member and fits into the annular groove.

[0022] According to another exemplary embodiment of the present invention, the cylindrical body of the ground connection member is clamped and fixed between the inner peripheral surface of the slotted hole of the inner insulating housing and the outer peripheral surface of the front end of the terminal retaining cylinder.

[0023] According to another exemplary embodiment of the present invention, the connector further includes a signal terminal inserted into the inner insulating housing, the terminal holder has a plurality of terminal retaining tubes, and the rear ends of the ground terminals and the signal terminals are respectively retained by the plurality of terminal retaining tubes.

[0024] According to another exemplary embodiment of the present invention, the rear end of the ground terminal is suitable for electrical connection with a ground cable, and the front end of the ground terminal extends from the tubular body of the ground connection member for connection with a mating ground terminal of a mating connector, and the rear end of the signal terminal is suitable for electrical connection with a signal cable, and the front end of the signal terminal extends from the terminal holding tube for connection with a mating signal terminal of a mating connector.

[0025] In the above-described exemplary embodiment of the present invention, the ground connection member ensures electrical contact with the ground terminal and the outer shielding shell, thereby realizing a reliable and stable electrical connection between the ground terminal and the outer shielding shell and improving the safety of the product in use. In addition, the assembly of the ground connection member of the present invention is very simple, which simplifies the connector assembly work.

[0026] These and other features of the present invention will become more apparent from the detailed description of illustrative embodiments thereof, which proceeds with reference to the accompanying drawings. [Brief explanation of the drawings]

[0027] [Figure 1] 1 is an exemplary perspective view of a connector according to an exemplary embodiment of the present invention. [Figure 2] 1 is an exemplary exploded view of a connector according to an exemplary embodiment of the present invention. [Figure 3] 2 is an exemplary assembly view of an inner insulating housing, a ground terminal, a ground connection member, and a terminal holder of a connector according to an exemplary embodiment of the present invention. [Figure 4] 2 is an exemplary exploded view of an inner insulating housing, a ground terminal, a ground connection member, and a terminal holder of a connector according to an exemplary embodiment of the present invention. [Figure 5] 2 is an exemplary assembly view of a ground terminal, a ground connection member, and a terminal holder of a connector according to an exemplary embodiment of the present invention. [Figure 6] 2 is an exemplary exploded view of a ground terminal, a ground connection member, and a terminal holder of a connector according to an exemplary embodiment of the present invention. [Figure 7] 10 is another exemplary exploded view of a ground terminal, a ground connection member, and a terminal holder of a connector according to an exemplary embodiment of the present invention. [Figure 8] 2 is an exemplary assembly view of a ground terminal and a ground connection member of a connector according to an exemplary embodiment of the present invention. [Figure 9] 2 is an exemplary exploded view of a ground terminal and a ground connection member of a connector according to an exemplary embodiment of the present invention. [Figure 10] 1 is an exemplary perspective view of a ground connection member of a connector according to an exemplary embodiment of the present invention. DETAILED DESCRIPTION OF THE INVENTION

[0028] Exemplary embodiments of the present disclosure are described in detail below with reference to the accompanying drawings. 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 embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the disclosure to those skilled in the art.

[0029] 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. It will be apparent, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in schematic form to simplify the drawings.

[0030] According to a general aspect of the present invention, there is provided a ground connection member comprising: a cylindrical body having a C-shaped cross section, front and rear ends on opposite axial sides of the cylindrical body, and an opening extending between the front and rear ends of the cylindrical body; a resilient arm connected to the front end of the cylindrical body for electrical contact with a ground terminal of a connector; a pair of side wings connected to either side of the opening of the cylindrical body and extending in opposite directions; and a pair of resilient sheets formed on the pair of side wings for electrical contact with an outer shield shell of the connector.

[0031] According to another general aspect of the present invention, there is provided a connector comprising an outer shielding shell, an inner insulating housing attached to the outer shielding shell, the above-mentioned ground connection member inserted into the inner insulating housing, and a ground terminal inserted into the inner insulating housing and axially passing through the cylindrical body of the ground connection member, wherein the resilient arms of the ground connection member are in electrical contact with the outer surface of the ground terminal and the resilient pieces of the ground connection member are in electrical contact with the inner surface of the outer shielding shell, electrically connecting the ground terminal to the outer shielding shell.

[0032] FIG. 1 shows an exemplary perspective view of a connector according to an exemplary embodiment of the present invention. FIG. 2 shows an exemplary exploded view of a connector according to an exemplary embodiment of the present invention. FIG. 3 shows an exemplary assembled view of an inner insulating housing 2, a ground terminal 3, a ground connection member 4, and a terminal holder 5 of a connector according to an exemplary embodiment of the present invention. FIG. 4 shows an exemplary exploded view of an inner insulating housing 2, a ground terminal 3, a ground connection member 4, and a terminal holder 5 of a connector according to an exemplary embodiment of the present invention. FIG. 5 shows an exemplary assembled view of a ground terminal 3, a ground connection member 4, and a terminal holder 5 of a connector according to an exemplary embodiment of the present invention. FIG. 6 shows an exemplary exploded view of a ground terminal 3, a ground connection member 4, and a terminal holder 5 of a connector according to an exemplary embodiment of the present invention. Figure 7 shows another exemplary exploded view of the ground terminal 3, ground connection member 4, and terminal holder 5 of the connector according to an exemplary embodiment of the present invention. Figure 8 shows an exemplary assembled view of the ground terminal 3 and ground connection member 4 of the connector according to an exemplary embodiment of the present invention. Figure 9 shows an exemplary exploded view of the ground terminal 3 and ground connection member 4 of the connector according to an exemplary embodiment of the present invention. Figure 10 shows an exemplary perspective view of the ground connection member 4 of the connector according to an exemplary embodiment of the present invention.

[0033] As shown in FIGS. 1 to 10 , an exemplary embodiment of the present invention discloses a ground connection member 4. The ground connection member 4 includes a cylindrical body 40, a resilient arm 41, a pair of side wings 42, and a pair of resilient sheets 43. The cross section of the cylindrical body 40 is C-shaped, and the cylindrical body 40 has a front end and a rear end on both sides in the axial direction thereof, and an opening 401 extending between the front end and the rear end. The resilient arm 41 is connected to the front end of the cylindrical body 40 for electrical contact with the ground terminal 3 of the connector. The pair of side wings 42 are connected to both sides of the opening 401 of the cylindrical body 40, respectively, and extend in opposite directions. The pair of resilient sheets 43 are formed on the pair of side wings 42, respectively, for electrical contact with the outer shield shell 1 of the connector.

[0034] As shown in Figures 1 to 10, in the illustrated embodiment, the ground connection member 4 includes a plurality of resilient arms 41 that are spaced apart circumferentially around the cylindrical body 40 for simultaneous electrical contact with the outer circumferential surface of the ground terminal 3 passing through the cylindrical body 40.

[0035] As shown in Figures 1 to 10, in the illustrated embodiment, the tubular body 40 of the ground connection member 4 is adapted to be inserted into the slot hole 21 of the inner insulating housing 2 of the connector with a tight fit, thereby fixing the tubular body 40 to the slot hole 21 of the inner insulating housing 2.

[0036] As shown in Figures 1 to 10, in the illustrated embodiment, the side wings 42 of the ground connection member 4 are adapted to be embedded in the recesses 22 in the outer surface of the inner insulating housing 2, thereby fixing the side wings 42 of the ground connection member 4 to the recesses 22 in the outer surface of the inner insulating housing 2.

[0037] As shown in Figures 1 to 10, in the illustrated embodiment, snap slots 42a are formed in the side wings 42 of the ground connection member 4, and the snap slots 42a are suitable for engaging with the protrusions 22a in the recesses 22 of the inner insulating housing 2 to secure the side wings 42 to the inner insulating housing 2.

[0038] As shown in FIGS. 1 to 10, in the illustrated embodiment, the elastic sheet 43 extends obliquely rearward and outward from the rear side of the side wing 42 for electrical contact with the inner peripheral surface of the outer shield shell 1.

[0039] 1 to 10, in the illustrated embodiment, the ground connection member 4 is an integrally pressed part, which can reduce manufacturing costs and increase manufacturing efficiency.

[0040] As shown in Figures 1 to 10, in the illustrated embodiment, the ground connection member 4 has the shape of a bird with its wings spread, with the cylindrical body 40 being the bird's body, the elastic arm 41 being the bird's head, and the pair of side wings 42 being the bird's wings.

[0041] In the above-described exemplary embodiment according to the present invention, the ground connection member 4 is shaped like a bird. The bird's head makes reliable electrical contact with the ground terminal 3. The bird's wings make reliable electrical contact with the outer shield shell 1. Therefore, the ground connection member 4 makes reliable electrical contact with the ground terminal 3 and the outer shield shell 1, thereby realizing a reliable and stable electrical connection between the ground terminal 3 and the outer shield shell 1 and increasing the safety of the product in use. In addition, the assembly of the ground connection member 4 of the present invention is very simple, which simplifies the connector assembly process.

[0042] As shown in FIGS. 1 to 10 , another exemplary embodiment of the present invention also discloses a connector. The connector includes an outer shield shell 1, an inner insulating housing 2, a ground connection member 4, and a ground terminal 3. The inner insulating housing 2 is attached to the outer shield shell 1. The ground connection member 4 is inserted into the inner insulating housing 2. The ground terminal 3 is inserted into the inner insulating housing 2 and passes axially through a cylindrical body 40 of the ground connection member 4. A resilient arm 41 of the ground connection member 4 is in electrical contact with the outer surface of the ground terminal 3, and a resilient piece 43 of the ground connection member 4 is in electrical contact with the inner surface of the outer shield shell 1, electrically connecting the ground terminal 3 to the outer shield shell 1.

[0043] 1 to 10, in the illustrated embodiment, a slotted hole 21 is formed in the inner insulating housing 2, and the slotted hole 21 has an attachment port disposed on the outer circumferential surface of the inner insulating housing 2. The cylindrical body 40 of the ground connection member 4 is inserted into the slotted hole 21 through the attachment port.

[0044] As shown in Figures 1 to 10, in the illustrated embodiment, the cylindrical body 40 of the ground connection member 4 is tightly fitted into the inner wall of the slot hole 21 of the inner insulating housing 2, thereby fixing the cylindrical body 40 to the slot hole 21 of the inner insulating housing 2.

[0045] 1 to 10 , in the illustrated embodiment, recesses 22 communicating with the slot holes 21 are formed in the outer peripheral surface of the inner insulating housing 2, and the side wings 42 of the ground connection member 4 are embedded in the recesses 22 of the inner insulating housing 2. The elastic pieces 43 of the ground connection member 4 protrude from the recesses 22 for electrical contact with the inner surface of the outer shield shell 1.

[0046] As shown in Figures 1 to 10, in the illustrated embodiment, protrusions 22a are formed in the recesses 22 of the inner insulating housing 2, and the protrusions 22a engage with snap slots 42a in the side wings 42 of the ground connection member 4 to secure the side wings 42 of the ground connection member 4 to the recesses 22 of the inner insulating housing 2.

[0047] 1 to 10, in the illustrated embodiment, the connector further includes a terminal holder 5 that is inserted into the inner insulating housing 2 and has a terminal holding cylinder 50 formed thereon. The rear end 32 of the ground terminal 3 is held by the terminal holding cylinder 50.

[0048] 1 to 10, in the illustrated embodiment, the cross section of the terminal holding tube 50 is C-shaped, and has an opening extending along its axial direction, which allows the terminal holding tube 50 to undergo elastic deformation in its radial direction. The rear end 32 of the ground terminal 3 is tightly fitted into the inner peripheral surface of the terminal holding tube 50, thereby holding the ground terminal 3 in the terminal holding tube 50.

[0049] 1 to 10, in the illustrated embodiment, an annular protrusion 5a is formed on the inner surface of the front end portion 51 of the terminal holding cylinder 50, and an annular groove 3a is formed in the ground terminal 3. The annular protrusion 5a is fitted into the annular groove 3a to fix the ground terminal 3 to the terminal holder 5.

[0050] As shown in Figures 1 to 10, in the illustrated embodiment, the annular groove 3a in the ground terminal 3 is arranged in the cylindrical body 40 of the ground connection member 4, and the front end 51 of the terminal holding cylinder 50 is inserted into the cylindrical body 40 of the ground connection member 4 and fits into the annular groove 3a.

[0051] As shown in Figures 1 to 10, in the illustrated embodiment, the cylindrical body 40 of the ground connection member 4 is clamped and fixed between the inner surface of the slot hole 21 of the inner insulating housing 2 and the outer surface of the front end 51 of the terminal holding tube 50.

[0052] 1 to 10, in the illustrated embodiment, the connector also includes signal terminals (not shown). The signal terminals are inserted into the inner insulating housing 2. The terminal holder 5 has a plurality of terminal retaining cylinders 50, and rear ends of the ground terminals 3 and the signal terminals are retained by the plurality of terminal retaining cylinders 50, respectively.

[0053] 1-10, in the illustrated embodiment, the rear end 32 of the ground terminal 3 is suitable for electrical connection with a ground cable (not shown), and the front end 31 of the ground terminal 3 extends from the tubular body 40 of the ground connection member 4 for connection with a mating ground terminal (not shown) of a mating connector (not shown). The rear end of the signal terminal is suitable for electrical connection with a signal cable (not shown), and the front end of the signal terminal extends from the terminal holding tube 50 for connection with a mating signal terminal (not shown) of a mating connector.

[0054] Those skilled in the art should understand that the above embodiments are intended to be illustrative and not limiting. For example, many modifications may be made to the above embodiments by those skilled in the art, and various features described in different embodiments may be freely combined with each other without causing any discrepancy in structure or principle.

[0055] While several exemplary embodiments have been shown and described, it will be understood by those skilled in the art that various modifications or variations may be made to these embodiments without departing from the principles and spirit of the present disclosure, the scope of which is defined by the claims and their equivalents.

[0056] As used herein, elements described in the singular and preceded by the words "a" or "an" should be understood as not excluding a plurality of such elements or steps, unless expressly stated otherwise. Furthermore, references to "one embodiment" of the present invention are not intended to be interpreted as excluding the existence of additional embodiments that also incorporate the recited features. Also, unless expressly stated to the contrary, embodiments "comprising" or "having" an element or elements having a particular characteristic may include additional such elements that do not have that characteristic.

Claims

1. A ground connection member, a cylindrical body (40) having a C-shaped cross section, the cylindrical body (40) having a front end and a rear end on both sides in the axial direction of the cylindrical body (40), and an opening (401) extending between the front end and the rear end of the cylindrical body (40); a resilient arm (41) connected to the front end of the cylindrical body (40) for electrical contact with the ground terminal (3) of a connector; a pair of side wings (42) connected to both sides of the opening (401) of the cylindrical body (40) and extending in opposite directions; a pair of elastic sheets (43) formed on the pair of side wings (42), respectively, for electrical contact with the outer shield shell (1) of the connector; A ground connection member comprising:

2. 2. The ground connection member of claim 1, wherein the ground connection member (4) comprises a plurality of resilient arms (41) spaced apart circumferentially around the cylindrical body (40) for simultaneous electrical contact with the outer circumferential surface of the ground terminal (3) passing through the cylindrical body (40).

3. 2. The ground connection member according to claim 1, wherein the cylindrical body (40) of the ground connection member (4) is adapted to be inserted into a slot hole (21) of the inner insulating housing (2) of the connector with a tight fit, thereby fixing the cylindrical body (40) to the slot hole (21) of the inner insulating housing (2).

4. 4. The ground connection member according to claim 3, wherein the side wings (42) of the ground connection member (4) are adapted to be embedded in recesses (22) in the outer surface of the inner insulating housing (2) to fix the side wings (42) of the ground connection member (4) to the recesses (22) in the outer surface of the inner insulating housing (2).

5. 5. The ground connection member according to claim 4, wherein snap slots (42a) are formed in the side wings (42) of the ground connection member (4), and the snap slots (42a) are suitable for engaging with protrusions (22a) in the recesses (22) of the inner insulating housing (2) to secure the side wings (42) to the inner insulating housing (2).

6. 2. The ground connection member according to claim 1, wherein the elastic sheet (43) extends obliquely rearward and outward from the rear side of the side wing (42) for electrical contact with the inner peripheral surface of the outer shield shell (1).

7. 2. The ground connection member according to claim 1, wherein the ground connection member (4) is a one-piece pressed part.

8. 8. The ground connection member according to claim 1, wherein the ground connection member (4) is shaped like a bird flying with its wings spread, the cylindrical body (40) is the bird's body, the elastic arm (41) is the bird's head, and the pair of side wings (42) are the bird's pair of wings.

9. An outer shield shell (1); an inner insulating housing (2) attached to the outer shield shell (1); The ground connection member (4) according to any one of claims 1 to 8, which is inserted into the inner insulating housing (2); a ground terminal (3) inserted into the inner insulating housing (2) and passing through the cylindrical body (40) of the ground connection member (4) in the axial direction; Equipped with The elastic arm (41) of the ground connection member (4) is in electrical contact with the outer surface of the ground terminal (3), and the elastic piece (43) of the ground connection member (4) is in electrical contact with the inner surface of the outer shield shell (1), thereby electrically connecting the ground terminal (3) to the outer shield shell (1). connector.

10. 10. The connector according to claim 9, wherein a slotted hole (21) is formed in the inner insulating housing (2), the slotted hole (21) has an attachment port arranged on the outer circumferential surface of the inner insulating housing (2), and the tubular body (40) of the ground connection member (4) is inserted into the slotted hole (21) through the attachment port.

11. 11. The connector according to claim 10, wherein the cylindrical body (40) of the ground connection member (4) is press-fitted with the inner wall of the slot hole (21) of the inner insulating housing (2) to fix the cylindrical body (40) to the slot hole (21) of the inner insulating housing (2).

12. a recess (22) communicating with the slot hole (21) is formed in the outer circumferential surface of the inner insulating housing (2), and the side wing (42) of the ground connection member (4) is embedded in the recess (22) of the inner insulating housing (2); The connector according to claim 10, wherein the elastic piece (43) of the ground connection member (4) protrudes from the recess (22) for electrical contact with the inner surface of the outer shield shell (1).

13. 13. The connector according to claim 12, wherein a protrusion (22) is formed in the recess (22) of the inner insulating housing (2), and the protrusion (22) engages with the snap slot (42a) in the side wing (42) of the ground connection member (4) to secure the side wing (42) of the ground connection member (4) to the recess (22) of the inner insulating housing (2).

14. The terminal holder (5) is inserted into the inner insulating housing (2) and has a terminal holding tube (50) formed therein.

13. The connector according to claim 9, wherein a rear end portion (32) of the ground terminal (3) is held by the terminal holding tube (50).

15. The cross section of the terminal holding tube (50) is C-shaped and has an opening extending along its axial direction, which allows the terminal holding tube (50) to undergo elastic deformation in its radial direction, 15. The connector of claim 14, wherein the rear end portion (32) of the ground terminal (3) is tightly fitted with the inner peripheral surface of the terminal retaining tube (50) to retain the ground terminal (3) in the terminal retaining tube (50).

16. 16. The connector of claim 15, wherein an annular protrusion (5a) is formed on the inner surface of the front end (51) of the terminal holding tube (50), an annular groove (3a) is formed in the ground terminal (3), and the annular protrusion (5a) is fitted into the annular groove (3a) to fix the ground terminal (3) to the terminal holder (5).

17. 17. The connector of claim 16, wherein the annular groove (3 a) of the ground terminal (3) is disposed in the tubular body (40) of the ground connection member (4), and the front end (51) of the terminal holding tube (50) is inserted into the tubular body (40) of the ground connection member (4) and fits into the annular groove (3 a).

18. 18. The connector of claim 17, wherein the cylindrical body (40) of the ground connection member (4) is clamped and fixed between the inner peripheral surface of the slot hole (21) of the inner insulating housing (2) and the outer peripheral surface of the front end (51) of the terminal holding tube (50).

19. Further, the signal terminal is inserted into the inner insulating housing (2), 15. The connector of claim 14, wherein the terminal holder (5) has a plurality of terminal retaining tubes (50), and the rear end of the ground terminal (3) and the rear end of the signal terminal are respectively held by the plurality of terminal retaining tubes (50).

20. The rear end (32) of the ground terminal (3) is suitable for electrical connection with a ground cable, and the front end (31) of the ground terminal (3) extends from the tubular body (40) of the ground connection member (4) for connection with a mating ground terminal of a mating connector; 20. The connector of claim 19, wherein the rear end of the signal terminal is suitable for electrical connection with a signal cable, and the front end of the signal terminal extends from the terminal retaining tube (50) for connection with a mating signal terminal of the mating connector.

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