Connector fastening assembly and connector

Abstract

The utility model discloses a connector fastening assembly and a connector. The connector fastening assembly comprises an insulator which is suitable for passing through a through hole in a shielding shell of the connector; a conductive screw member, the upper end of which is engaged in the lower portion of the insulator, for fastening the terminal of the connector to a mating terminal of a mating connector; and a conductive operating member joined into the upper portion of the insulator and adapted to be joined with an operating tool so as to be able to tighten or loosen the conductive threaded member by the operating tool. The insulator joins the conductive threaded member and the conductive operating member together and electrically isolates the conductive threaded member and the conductive operating member. When the conductive threaded member is in a screwed state, the outer peripheral surface of the upper end of the conductive threaded member or the outer peripheral surface of the conductive operating member is radially opposite to the inner peripheral surface of the through hole of the shielding shell, and the distance between the two is smaller than a preset value, so that electromagnetic waves generated when the connector works cannot be leaked to the outside. According to the utility model, a shielding cap for preventing electromagnetic leakage does not need to be arranged, the structure of the connector fastening assembly is simplified, and the manufacturing cost is reduced.

Description

Technical Field

[0001] The utility model relates to a connector fastening assembly and a connector comprising the connector fastening assembly. Background Art

[0002] In the prior art, a high-voltage connector generally includes a shielding shell, an insulating inner shell, a terminal, and a fastening assembly. The insulating inner shell is disposed in the shielding shell, and the terminal is disposed in the insulating inner shell. The fastening assembly enters the insulating inner shell through the mounting hole on the shielding shell, and is used to fasten the terminal to the mating terminal of the mating connector. In order to achieve waterproof sealing and prevent electromagnetic leakage, the existing fastening assembly generally includes a sealing ring for sealing the mounting hole of the shielding shell and a shielding cap for covering the opening of the mounting hole of the shielding shell. This results in the existing fastening assembly having the problems of complex structure, difficulty in manufacturing, and high cost. Utility Model Content

[0003] The purpose of the present invention is to solve at least one aspect of the above-mentioned problems and defects in the prior art.

[0004] According to one aspect of the utility model, a connector fastening assembly is provided. The connector fastening assembly includes: an insulator, which is cylindrical and suitable for passing through a through hole on a shielding shell of a connector; a conductive screw, whose cylindrical upper end is engaged in the lower part of the insulator, and is used to fasten the terminal of the connector to the mating terminal of a mating connector; and a conductive operating member, which is cylindrical and engaged in the upper part of the insulator, and is suitable for engaging with an operating tool so that the conductive screw can be tightened or loosened by the operating tool. The insulator joins the conductive screw and the conductive operating member together and electrically isolates the two. When the conductive screw is in a tightening state of fastening the terminal to the mating terminal, the outer peripheral surface of the upper end of the conductive screw or the outer peripheral surface of the conductive operating member is radially opposite to the inner peripheral surface of the through hole of the shielding shell and the spacing between the two is less than a predetermined value, so that the electromagnetic waves generated when the connector is working cannot leak to the outside of the shielding shell.

[0005] According to an exemplary embodiment of the present utility model, the spacing is no greater than one sixth of the minimum wavelength of the electromagnetic waves generated when the connector is working.

[0006] According to another exemplary embodiment of the utility model, a plurality of axially extending first ribs are formed on the outer circumferential surface of the upper end of the conductive threaded member, and the plurality of first ribs are spaced apart in the circumferential direction of the upper end of the conductive threaded member; a plurality of axially extending first grooves are formed on the inner circumferential surface of the lower part of the insulator, and the plurality of first grooves are spaced apart in the circumferential direction of the insulator and respectively engaged with the plurality of first ribs.

[0007] According to another exemplary embodiment of the utility model, a plurality of axially extending second ribs are formed on the outer circumferential surface of the conductive operating member, and the plurality of second ribs are spaced apart in the circumferential direction of the conductive operating member; a plurality of axially extending second grooves are formed on the inner circumferential surface of the upper portion of the insulator, and the plurality of second grooves are spaced apart in the circumferential direction of the insulator and are respectively engaged with the plurality of second ribs.

[0008] According to another exemplary embodiment of the utility model, the insulator is an injection-molded part that is directly injection-molded onto the conductive threaded part and the conductive operating part through an embedded injection molding process, so that the conductive threaded part, the conductive operating part and the insulator become an integral part.

[0009] According to another exemplary embodiment of the present utility model, the upper end of the conductive threaded member is inserted into the lower portion of the insulator in an interference fit manner, and the conductive operating member is inserted into the upper portion of the insulator in an interference fit manner.

[0010] According to another exemplary embodiment of the utility model, the insulator includes a cylindrical body and a partition wall formed in the cylindrical body, the partition wall divides the inner cavity of the cylindrical body into an upper cavity and a lower cavity; the upper end of the conductive threaded member is engaged in the lower cavity of the cylindrical body, and the conductive operating member is engaged in the upper cavity of the cylindrical body.

[0011] According to another exemplary embodiment of the utility model, an engagement hole suitable for engaging with the operating tool is formed on the top surface of the conductive operating member, and the cross-section of the engagement hole is polygonal; or an engagement column suitable for engaging with the operating tool is formed on the top surface of the conductive operating member, and the cross-section of the engagement column is polygonal.

[0012] According to another exemplary embodiment of the utility model, an external thread is formed on the outer peripheral surface of the lower end of the conductive threaded member, and the external thread is used for threaded connection with the threaded hole on the mating terminal or the nut fixed to the mating terminal.

[0013] According to another aspect of the utility model, a connector is provided. The connector includes: an insulating shell, formed with a mounting hole; a shielding shell, arranged in the insulating shell and formed with a through hole corresponding to the mounting hole; an insulating retaining body, arranged in the shielding shell; a terminal, arranged in the insulating retaining body; and the aforementioned connector fastening assembly, passing through the mounting hole and the through hole, for fastening the terminal to the mating terminal of the mating connector. When the conductive screw is in a tightening state of fastening the terminal to the mating terminal, the outer peripheral surface of the upper end of the conductive screw or the outer peripheral surface of the conductive operating member is radially opposite to the inner peripheral surface of the through hole of the shielding shell and the spacing between the two is less than a predetermined value, so that the electromagnetic waves generated when the connector is working cannot leak to the outside of the shielding shell.

[0014] According to an exemplary embodiment of the utility model, when the conductive screw is in a tightening state to fasten the terminal to the mating terminal, the outer peripheral surface of the upper end of the conductive screw is radially opposite to the inner peripheral surface of the through hole of the shielding shell and the distance between the two is less than the predetermined value.

[0015] According to another exemplary embodiment of the utility model, when the conductive screw is in a tightening state to fasten the terminal to the mating terminal, the outer circumferential surface of the conductive operating member is radially opposite to the inner circumferential surface of the through hole of the shielding shell and the distance therebetween is less than the predetermined value.

[0016] According to another exemplary embodiment of the present utility model, the spacing is no greater than one sixth of the minimum wavelength of the electromagnetic waves generated when the connector is working.

[0017] According to another exemplary embodiment of the utility model, the insulating shell includes an outer peripheral wall and a positioning cylinder connected to the inner side of the outer peripheral wall, and the mounting hole passes through the positioning cylinder. The connector also includes: a sealing ring, which is accommodated in the positioning cylinder and is radially squeezed between the inner peripheral surface of the positioning cylinder and the outer peripheral surface of the insulator to seal the mounting hole.

[0018] According to another exemplary embodiment of the utility model, the sealing ring has axially opposite upper and lower ends, which respectively abut against the inner side of the outer peripheral wall of the insulating shell and the outer side of the shielding shell to axially position the sealing ring.

[0019] According to another exemplary embodiment of the present utility model, the connector further includes: a cable, one end of which extends into the insulating shell and the shielding shell and is electrically connected to the terminal.

[0020] According to another exemplary embodiment of the present invention, the connector further comprises: a shielding connector, which is sleeved on the cable and inserted into the shielding shell, and is used to electrically connect the shielding layer of the cable to the shielding shell.

[0021] In the above exemplary embodiments of the present invention, the conductive screw or the conductive operating member is radially opposite to the inner circumference of the through hole of the shielding shell and the distance between the two is less than a predetermined value, so that the electromagnetic waves generated when the connector is working cannot leak to the outside of the shielding shell. Therefore, the connector fastening assembly of the present invention does not need to be provided with a shielding cap for preventing electromagnetic leakage, thereby simplifying the structure of the connector fastening assembly and reducing the manufacturing cost.

[0022] Other objects and advantages of the present invention will become apparent from the following description of the present invention with reference to the accompanying drawings, which will help to provide a comprehensive understanding of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A partial three-dimensional schematic diagram showing a connector according to an exemplary embodiment of the utility model;

[0024] Figure 2 A cross-sectional view showing a connector according to an exemplary embodiment of the present utility model;

[0025] Figure 3 An exploded schematic diagram showing a connector according to an exemplary embodiment of the present utility model;

[0026] Figure 4 Another exploded schematic diagram showing a connector according to an exemplary embodiment of the present utility model;

[0027] Figure 5 A perspective schematic diagram showing a connector fastening assembly according to an exemplary embodiment of the utility model;

[0028] Figure 6 An axial cross-sectional view showing a connector fastening assembly according to an exemplary embodiment of the present utility model;

[0029] Figure 7 An exploded schematic diagram showing a connector fastening assembly according to an exemplary embodiment of the utility model;

[0030] Figure 8 An exploded sectional view of a connector fastening assembly according to an exemplary embodiment of the present invention is shown. DETAILED DESCRIPTION

[0031] The technical solution of the utility model is further specifically described below through examples and in combination with the accompanying drawings. In the specification, the same or similar reference numerals indicate the same or similar components. The following description of the implementation mode of the utility model with reference to the accompanying drawings is intended to explain the overall utility model concept of the utility model, and should not be understood as a limitation of the utility model.

[0032] In addition, in the detailed description below, for ease of explanation, many specific details are set forth to provide a comprehensive understanding of the disclosed embodiments. However, it is apparent that one or more embodiments may be implemented without these specific details. In other cases, known structures and devices are embodied in a schematic manner to simplify the accompanying drawings.

[0033] According to an overall technical concept of the utility model, a connector fastening assembly is provided. The connector fastening assembly includes: an insulator, which is cylindrical and suitable for passing through a through hole on a shielding shell of a connector; a conductive screw, whose cylindrical upper end is engaged in the lower part of the insulator, and is used to fasten the terminal of the connector to the mating terminal of a mating connector; and a conductive operating member, which is cylindrical and engaged in the upper part of the insulator, and is suitable for engaging with an operating tool so that the conductive screw can be tightened or loosened by the operating tool. The insulator joins the conductive screw and the conductive operating member together and electrically isolates the two. When the conductive screw is in a tightening state of fastening the terminal to the mating terminal, the outer peripheral surface of the upper end of the conductive screw or the outer peripheral surface of the conductive operating member is radially opposite to the inner peripheral surface of the through hole of the shielding shell and the spacing between the two is less than a predetermined value, so that the electromagnetic waves generated when the connector is working cannot leak to the outside of the shielding shell.

[0034] According to another general technical concept of the utility model, a connector is provided. The connector includes: an insulating shell, formed with a mounting hole; a shielding shell, arranged in the insulating shell and formed with a through hole corresponding to the mounting hole; an insulating retaining body, arranged in the shielding shell; a terminal, arranged in the insulating retaining body; and the aforementioned connector fastening assembly, passing through the mounting hole and the through hole, for fastening the terminal to the mating terminal of the mating connector. When the conductive threaded member is in a tightening state of fastening the terminal to the mating terminal, the outer peripheral surface of the upper end of the conductive threaded member or the outer peripheral surface of the conductive operating member is radially opposite to the inner peripheral surface of the through hole of the shielding shell and the spacing between the two is less than a predetermined value, so that the electromagnetic waves generated when the connector is working cannot leak to the outside of the shielding shell.

[0035] Figure 1 A partial three-dimensional schematic diagram showing a connector according to an exemplary embodiment of the utility model; Figure 2A cross-sectional view showing a connector according to an exemplary embodiment of the present utility model; Figure 3 An exploded schematic diagram showing a connector according to an exemplary embodiment of the present utility model; Figure 4 Another exploded schematic diagram showing a connector according to an exemplary embodiment of the present utility model; Figure 5 A perspective schematic diagram showing a connector fastening assembly 1 according to an exemplary embodiment of the utility model; Figure 6 An axial cross-sectional view showing a connector fastening assembly 1 according to an exemplary embodiment of the present utility model; Figure 7 An exploded schematic diagram showing a connector fastening assembly 1 according to an exemplary embodiment of the utility model; Figure 8 An exploded sectional view of a connector fastening assembly 1 according to an exemplary embodiment of the present utility model is shown.

[0036] like Figures 1 to 8 As shown, in an exemplary embodiment of the utility model, a connector fastening assembly 1 is disclosed. The connector fastening assembly 1 includes: a conductive threaded member 11, a conductive operating member 12 and an insulator 13. The insulator 13 is cylindrical and suitable for passing through the through hole 401 on the shielding shell 4 of the connector. The cylindrical upper end of the conductive threaded member 11 is engaged in the lower part of the insulator 13, and is used to fasten the terminal (not shown) of the connector to the mating terminal (not shown) of the mating connector. The conductive operating member 12 is cylindrical and is engaged in the upper part of the insulator 13, and is suitable for engaging with an operating tool so that the conductive threaded member 11 can be tightened or loosened by the operating tool engaged with the conductive operating member 12. The insulator 13 engages the conductive threaded member 11 and the conductive operating member 12 together and electrically isolates the two.

[0037] like Figures 1 to 8 As shown, in the illustrated embodiment, when the conductive threaded member 11 is in a tightening state to fasten the terminal to the mating terminal, the outer peripheral surface of the upper end of the conductive threaded member 11 or the outer peripheral surface of the conductive operating member 12 is radially opposite to the inner peripheral surface of the through hole 401 of the shielding shell 4 and the distance between the two is less than a predetermined value, so that the electromagnetic waves generated when the connector is working cannot leak to the outside of the shielding shell 4.

[0038] like Figures 1 to 8 As shown, in the embodiment shown in the figure, the aforementioned spacing is no greater than one sixth of the minimum wavelength of the electromagnetic wave generated when the connector is working. In this way, it is possible to effectively prevent the electromagnetic wave from leaking to the outside of the shielding shell 4, thereby improving the electromagnetic shielding performance of the connector.

[0039] like Figures 1 to 8 As shown, in the illustrated embodiment, the shielding shell 4, the conductive screw member 11 and the conductive operating member 12 are generally steel components, and the terminals of the connector are generally copper components.

[0040] like Figures 1 to 8 As shown, in the illustrated embodiment, a plurality of axially extending first ribs 11a are formed on the outer circumferential surface of the upper end of the conductive screw member 11, and the plurality of first ribs 11a are spaced apart in the circumferential direction of the upper end of the conductive screw member 11. A plurality of axially extending first grooves 131a are formed on the inner circumferential surface of the lower portion of the insulator 13, and the plurality of first grooves 131a are spaced apart in the circumferential direction of the insulator 13 and are respectively engaged with the plurality of first ribs 11a.

[0041] like Figures 1 to 8 As shown, in the illustrated embodiment, a plurality of axially extending second ribs 12a are formed on the outer circumferential surface of the conductive operating member 12, and the plurality of second ribs 12a are spaced apart in the circumferential direction of the conductive operating member 12. A plurality of axially extending second grooves 132a are formed on the inner circumferential surface of the upper portion of the insulator 13, and the plurality of second grooves 132a are spaced apart in the circumferential direction of the insulator 13 and are respectively engaged with the plurality of second ribs 12a.

[0042] like Figures 1 to 8 As shown, in the illustrated embodiment, the insulator 13 is an injection-molded part that is directly injection-molded onto the conductive threaded member 11 and the conductive operating member 12 by an insert injection molding process, so that the conductive threaded member 11, the conductive operating member 12 and the insulator 13 become an integral part.

[0043] However, the present invention is not limited to the illustrated embodiments. For example, in another exemplary embodiment of the present invention, the upper end of the conductive threaded member 11 is inserted into the lower portion of the insulator 13 by interference fit, and the conductive operating member 12 is inserted into the upper portion of the insulator 13 by interference fit.

[0044] like Figures 1 to 8 As shown, in the illustrated embodiment, the insulator 13 includes a cylindrical body 130 and a partition wall 131 formed in the cylindrical body 130, and the partition wall 131 divides the inner cavity of the cylindrical body 130 into an upper cavity and a lower cavity. The upper end of the conductive screw member 11 is engaged in the lower cavity of the cylindrical body 130, and the conductive operating member 12 is engaged in the upper cavity of the cylindrical body 130.

[0045] like Figures 1 to 8 As shown, in the illustrated embodiment, an engagement hole 12b suitable for engaging with an operating tool is formed on the top surface of the conductive operating member 12, and the cross section of the engagement hole 12b is polygonal. However, the utility model is not limited to the illustrated embodiment. For example, in another exemplary embodiment of the utility model, an engagement column suitable for engaging with an operating tool is formed on the top surface of the conductive operating member 12, and the cross section of the engagement column is polygonal.

[0046] like Figures 1 to 8As shown, in the illustrated embodiment, an external thread 11b is formed on the outer peripheral surface of the lower end of the conductive threaded member 11, and the external thread 11b is used for threaded connection with the threaded hole on the mating terminal or the nut (not shown) fixed to the mating terminal.

[0047] like Figures 1 to 8 As shown, in another exemplary embodiment of the utility model, a connector is also disclosed. The connector includes: an insulating shell 3, a shielding shell 4, an insulating retaining body (not shown), a terminal (not shown) and a connector fastening assembly 1. The insulating shell 3 is formed with a mounting hole 301. The shielding shell 4 is arranged in the insulating shell 3 and is formed with a through hole 401 corresponding to the mounting hole 301. The insulating retaining body is arranged in the shielding shell 4. The terminal is arranged in the insulating retaining body. The connector fastening assembly 1 passes through the mounting hole 301 and the through hole 401, and is used to fasten the terminal to the mating terminal of the mating connector.

[0048] like Figures 1 to 8 As shown, in the illustrated embodiment, when the conductive threaded member 11 is in a tightening state to fasten the terminal to the mating terminal, the outer peripheral surface of the upper end of the conductive threaded member 11 or the outer peripheral surface of the conductive operating member 12 is radially opposite to the inner peripheral surface of the through hole 401 of the shielding shell 4 and the distance between the two is less than a predetermined value, so that the electromagnetic waves generated when the connector is working cannot leak to the outside of the shielding shell 4.

[0049] like Figures 1 to 8 As shown, in the illustrated embodiment, when the conductive screw 11 is in a tightening state to fasten the terminal to the mating terminal, the outer circumference of the upper end of the conductive screw 11 is radially opposite to the inner circumference of the through hole 401 of the shielding shell 4, and the distance between the two is less than the aforementioned predetermined value. However, the utility model is not limited to the illustrated embodiment. For example, in another exemplary embodiment of the utility model, when the conductive screw 11 is in a tightening state to fasten the terminal to the mating terminal, the outer circumference of the conductive operating member 12 is radially opposite to the inner circumference of the through hole 401 of the shielding shell 4, and the distance between the two is less than the predetermined value.

[0050] like Figures 1 to 8 As shown, in the embodiment shown in the figure, the aforementioned spacing is no greater than one sixth of the minimum wavelength of the electromagnetic wave generated when the connector is working. In this way, it is possible to effectively prevent the electromagnetic wave from leaking to the outside of the shielding shell 4, thereby improving the electromagnetic shielding performance of the connector.

[0051] like Figures 1 to 8 As shown, in the illustrated embodiment, the insulating housing 3 includes an outer peripheral wall 30 and a positioning cylinder 31 connected to the inner side of the outer peripheral wall 30, and the mounting hole 301 passes through the positioning cylinder 31. The connector also includes a sealing ring 2, which is accommodated in the positioning cylinder 31 and radially squeezed between the inner peripheral surface of the positioning cylinder 31 and the outer peripheral surface of the insulator 13 to seal the mounting hole 301.

[0052] like Figures 1 to 8 As shown, in the illustrated embodiment, the sealing ring 2 has axially opposite upper and lower ends, which respectively abut against the inner side of the outer peripheral wall 30 of the insulating shell 3 and the outer side of the shielding shell 4 to axially position the sealing ring 2.

[0053] like Figures 1 to 8 As shown, in the illustrated embodiment, the connector further comprises a cable (not shown), one end of which extends into the insulating shell 3 and the shielding shell 4 and is electrically connected to the terminal.

[0054] like Figures 1 to 8 As shown, in the illustrated embodiment, the connector further includes a shielding connector (not shown), which is sleeved on the cable and inserted into the shielding shell 4 for electrically connecting the shielding layer of the cable to the shielding shell 4.

[0055] Those skilled in the art will appreciate that the embodiments described above are exemplary and can be improved upon by those skilled in the art. The structures described in the various embodiments can be freely combined without causing any conflicts in structure or principle, and these changes should fall within the scope of protection of the present utility model.

[0056] Although the present invention has been described in conjunction with the accompanying drawings, the embodiments disclosed in the accompanying drawings are intended to exemplify the preferred implementation modes of the present invention and should not be construed as limiting the present invention.

[0057] Although some embodiments of the general inventive concept have been shown and described, it will be appreciated by those skilled in the art that changes may be made to these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined by the claims and their equivalents.

[0058] It should be noted that the word "comprising" does not exclude other elements or steps, and the word "a" or "an" does not exclude a plurality. In addition, any element number of the claims should not be construed as limiting the scope of the present invention.

Claims

1. A connector fastening assembly, characterized in that: include: An insulator (13) in a cylindrical shape and adapted to pass through a through hole (401) on a shielding shell (4) of a connector; A conductive screw member (11), the cylindrical upper end of which is engaged in the lower part of the insulator (13), for fastening the terminal of the connector to the mating terminal of the mating connector; and a conductive operating member (12) which is cylindrical and is engaged with the upper part of the insulator (13), and is suitable for engaging with an operating tool so as to be able to tighten or loosen the conductive screw member (11) through the operating tool; The insulator (13) joins the conductive threaded member (11) and the conductive operating member (12) together and electrically isolates the two. When the conductive threaded member (11) is in a tightening state to fasten the terminal to the mating terminal, the outer peripheral surface of the upper end of the conductive threaded member (11) or the outer peripheral surface of the conductive operating member (12) is radially opposite to the inner peripheral surface of the through hole (401) of the shielding shell (4) and the distance between the two is less than a predetermined value, so that the electromagnetic waves generated when the connector is in operation cannot leak to the outside of the shielding shell (4).

2. The connector fastening assembly according to claim 1, characterized in that: The spacing is no greater than one sixth of the minimum wavelength of electromagnetic waves generated when the connector is working.

3. The connector fastening assembly according to claim 1, characterized in that: A plurality of axially extending first convex ribs (11a) are formed on the outer peripheral surface of the upper end of the conductive threaded member (11), and the plurality of first convex ribs (11a) are spaced apart and distributed in the circumferential direction of the upper end of the conductive threaded member (11); A plurality of axially extending first grooves (131a) are formed on the inner circumferential surface of the lower portion of the insulator (13). The plurality of first grooves (131a) are spaced apart in the circumferential direction of the insulator (13) and are respectively engaged with the plurality of first ribs (11a).

4. The connector fastening assembly according to claim 3, characterized in that: A plurality of axially extending second convex ribs (12a) are formed on the outer peripheral surface of the conductive operating member (12), and the plurality of second convex ribs (12a) are spaced apart and distributed in the circumferential direction of the conductive operating member (12); A plurality of axially extending second grooves (132a) are formed on the inner circumferential surface of the upper portion of the insulator (13). The plurality of second grooves (132a) are spaced apart in the circumferential direction of the insulator (13) and are respectively engaged with the plurality of second ribs (12a).

5. The connector fastening assembly according to claim 4, characterized in that: The insulator (13) is an injection-molded part that is directly injection-molded onto the conductive threaded part (11) and the conductive operating part (12) through an embedded injection molding process, so that the conductive threaded part (11), the conductive operating part (12) and the insulator (13) form an integral part.

6. The connector fastening assembly according to claim 4, characterized in that: The upper end of the conductive threaded member (11) is inserted into the lower part of the insulator (13) in an interference fit manner, and the conductive operating member (12) is inserted into the upper part of the insulator (13) in an interference fit manner.

7. The connector fastening assembly according to claim 1, characterized in that: The insulator (13) comprises a cylindrical body (130) and a partition wall (131) formed in the cylindrical body (130), wherein the partition wall (131) partitions the inner cavity of the cylindrical body (130) into an upper cavity and a lower cavity; The upper end of the conductive threaded member (11) is engaged with the lower cavity of the cylindrical body (130), and the conductive operating member (12) is engaged with the upper cavity of the cylindrical body (130).

8. The connector fastening assembly according to claim 1, characterized in that: A coupling hole (12b) suitable for coupling with the operating tool is formed on the top surface of the conductive operating member (12), and the cross section of the coupling hole (12b) is polygonal; or A coupling column suitable for coupling with the operating tool is formed on the top surface of the conductive operating member (12), and the cross section of the coupling column is polygonal.

9. The connector fastening assembly according to claim 1, characterized in that: An external thread (11b) is formed on the outer peripheral surface of the lower end of the conductive threaded member (11), and the external thread (11b) is used for threaded connection with a threaded hole on the mating terminal or a nut fixed to the mating terminal.

10. A connector, characterized in that: include: An insulating housing (3) formed with a mounting hole (301); A shielding shell (4) disposed in the insulating shell (3) and formed with a through hole (401) corresponding to the mounting hole (301); An insulating retaining body, arranged in the shielding shell (4); A terminal is disposed in the insulating retaining body; and The connector fastening assembly (1) according to any one of claims 1 to 9, passing through the mounting hole (301) and the through hole (401), is used to fasten the terminal to a mating terminal of a mating connector, When the conductive threaded member (11) is in a tightening state to fasten the terminal to the mating terminal, the outer peripheral surface of the upper end of the conductive threaded member (11) or the outer peripheral surface of the conductive operating member (12) is radially opposite to the inner peripheral surface of the through hole (401) of the shielding shell (4) and the distance between the two is less than a predetermined value, so that the electromagnetic waves generated when the connector is in operation cannot leak to the outside of the shielding shell (4).

11. The connector according to claim 10, characterized in that: When the conductive screw member (11) is in a tightening state to fasten the terminal to the mating terminal, the outer peripheral surface of the upper end of the conductive screw member (11) is radially opposite to the inner peripheral surface of the through hole (401) of the shielding shell (4), and the distance between the two is less than the predetermined value.

12. The connector according to claim 10, characterized in that: When the conductive screw member (11) is in a tightening state to fasten the terminal to the mating terminal, the outer peripheral surface of the conductive operating member (12) is radially opposite to the inner peripheral surface of the through hole (401) of the shielding shell (4) and the distance between the two is less than the predetermined value.

13. The connector according to claim 10, characterized in that: The spacing is no greater than one sixth of the minimum wavelength of electromagnetic waves generated when the connector is working.

14. The connector according to claim 10, characterized in that: The insulating shell (3) comprises an outer peripheral wall (30) and a positioning cylinder (31) connected to the inner side of the outer peripheral wall (30), and the mounting hole (301) passes through the positioning cylinder (31); The connector further comprises: A sealing ring (2) is accommodated in the positioning cylinder (31) and is radially pressed between the inner circumference of the positioning cylinder (31) and the outer circumference of the insulator (13) to seal the mounting hole (301).

15. The connector according to claim 14, characterized in that: The sealing ring (2) has upper and lower ends which are axially opposite to each other. The upper and lower ends of the sealing ring (2) respectively abut against the inner side of the outer peripheral wall (30) of the insulating shell (3) and the outer side of the shielding shell (4) to axially position the sealing ring (2).

16. The connector according to claim 10, characterized in that Also includes: A cable, one end of which extends into the insulating shell (3) and the shielding shell (4) and is electrically connected to the terminal.

17. The connector according to claim 16, characterized in that Also includes: A shielding connector is sleeved on the cable and inserted into the shielding shell (4), and is used to electrically connect the shielding layer of the cable to the shielding shell (4).

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