Connector cover, connector housing assembly and connector

Abstract

The utility model discloses a connector cover, a connector housing assembly and a connector. The connector cover is suitable for being rotatably installed on an outer insulation shell of the connector and can rotate between an opening position where an installation opening of the outer insulation shell is opened and a closing position where the installation opening is closed. The connector cover is provided with a top cover plate and an annular protrusion protruding inwards from the top cover plate, and the annular protrusion is provided with a bottom face suitable for making contact with the periphery of a top opening of an inner shielding shell of the connector. When the connector cover is installed on the outer insulation shell and located at the closed position, the bottom face of the annular protrusion makes electrical contact with the periphery of the top opening of the inner shielding shell, and the top opening of the inner shielding shell is covered with the connector cover. According to the utility model, the structure of the connector is simplified, the operation is simple, and the sealing and shielding effects of the connector are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a connector cover, the connector shell assembly of the connector cover and the connector of the connector shell assembly. BACKGROUND

[0002] In the prior art, a connector generally comprises an insulating shell, a shielding shell fitted on the outside of the insulating shell, two terminals arranged in the insulating shell, and a connecting bolt fastening one end of the two terminals together. The connecting bolt enters through a mounting port of the insulating shell and a top opening of the shielding shell. In order to prevent electromagnetic leakage, a shielding cover needs to be installed on the shielding shell to cover the top opening of the shielding shell. In addition, in order to achieve a waterproof seal, a sealing ring also needs to be arranged between the connecting bolt and the mounting port of the insulating shell to seal the mounting port of the insulating shell. The structure of the existing connector is complex, inconvenient to operate, and the shielding and sealing effect is not good. SUMMARY

[0003] The utility model aims at solving at least one aspect of the above problems and defects in the prior art.

[0004] According to one aspect of the utility model, a connector cover is provided. The connector cover is adapted to be rotatably mounted to an outer insulating shell of a connector and rotatable between an open position, in which a mounting port of the outer insulating shell is open, and a closed position, in which the mounting port is closed. The connector cover has a top cover plate and an annular protrusion protruding inwardly from the top cover plate. The annular protrusion has a bottom surface adapted to be in contact with a peripheral portion of a top opening of an inner shielding shell of the connector. When the connector cover is mounted to the outer insulating shell and in the closed position, the bottom surface of the annular protrusion is in electrical contact with the peripheral portion of the top opening of the inner shielding shell and the top opening of the inner shielding shell is covered by the connector cover.

[0005] According to one exemplary embodiment of the utility model, a pair of connecting ears are formed on one side of the top cover plate of the connector cover. Connecting holes are formed on the connecting ears and adapted to be rotatably connected with a connecting shaft of the outer insulating shell, so that the connector cover can be rotated relative to the outer insulating shell between the open position and the closed position.

[0006] According to another exemplary embodiment of the utility model, a lock catch is formed on the other side of the top cover plate of the connector cover. The lock catch is adapted to be engaged with an elastic catch on the outer insulating shell, so that the connector cover can be locked in the closed position by the elastic catch.

[0007] According to another exemplary embodiment of the utility model, the connector cover is an integrated stamping part formed by stamping a single piece of conductive material plate.

[0008] According to another aspect of the present application, a connector housing assembly is provided. The connector housing assembly includes: an outer insulating shell having a mounting opening at its top; an inner shielding shell installed in the outer insulating shell and having a top opening; and the aforementioned connector cover being rotatably installed on the top of the outer insulating shell. When the connector cover is rotated to a closed position to close the mounting opening, the bottom surface of the annular protrusion is in electrical contact with the peripheral portion of the top opening of the inner shielding shell and the top opening of the inner shielding shell is covered by the connector cover.

[0009] According to an exemplary embodiment of the present application, the connector housing assembly further includes: a sealing ring being radially pressed between the inner peripheral surface of the mounting opening of the outer insulating shell and the outer peripheral surface of the annular protrusion of the connector cover to achieve sealing therebetween.

[0010] According to another exemplary embodiment of the present application, a plurality of contact protrusions are formed on the top surface of the peripheral portion of the top opening of the inner shielding shell, the plurality of contact protrusions being spaced around the top opening for electrical contact with the bottom surface of the annular protrusion of the connector cover.

[0011] According to another exemplary embodiment of the present application, the bottom of the outer insulating shell has a flange portion for being fixed to a mounting panel, and the inner shielding shell further has a bottom opening and a plurality of connecting legs connected to the bottom of the peripheral wall thereof, the plurality of connecting legs being spaced around the bottom opening and protruding out of the bottom of the flange portion of the outer insulating shell for electrical contact with the mounting panel.

[0012] According to another exemplary embodiment of the present application, a connecting nut is embedded in the flange portion of the insulating shell, the connecting nut being adapted to be threadedly connected with a bolt passing through the mounting panel and the connecting legs to fix the outer insulating shell and the inner shielding shell together to the mounting panel.

[0013] According to another exemplary embodiment of the present application, the connector housing assembly further includes: a sealing ring being installed on the bottom surface of the flange portion of the outer insulating shell and surrounding the bottom opening of the outer insulating shell, the sealing ring being adapted to be axially pressed between the flange portion of the outer insulating shell and the mounting panel to achieve sealing therebetween.

[0014] According to another exemplary embodiment of the present application, the outer insulating shell includes a main shell portion and a cylindrical extension portion connected to a peripheral wall of the main shell portion, the mounting opening is formed on a top wall of the main shell portion, and the inner shield shell is mounted into the main shell portion via a bottom opening of the main shell portion; the connector housing assembly further includes an inner shield cylinder mounted into the cylindrical extension portion of the outer insulating shell, and a receptacle is formed on a peripheral wall of the inner shield shell, one end of the inner shield cylinder is inserted into the receptacle of the inner shield shell and electrically contacts the inner shield shell.

[0015] According to another exemplary embodiment of the present application, a plurality of contact springs are formed on the peripheral wall of the inner shield shell, the plurality of contact springs are spaced apart around the receptacle and electrically contact an outer peripheral surface of the one end of the inner shield cylinder.

[0016] According to another exemplary embodiment of the present application, the outer insulating shell is an integral injection molding piece, and the inner shield shell and the inner shield cylinder are each an integral stamping piece.

[0017] According to another exemplary embodiment of the present application, an elastic catch is formed on the outer insulating shell, the elastic catch is adapted to engage with a lock catch on the connector cover to lock the connector cover in a closed position closing the mounting opening.

[0018] According to another exemplary embodiment of the present application, the elastic catch is adapted to move between a locked position engaging with the lock catch and an unlocked position disengaging from the lock catch. The connector housing assembly further includes a position retaining member adapted to be pluggably mounted onto the outer insulating shell, the position retaining member is used to retain the elastic catch in the locked position to prevent the elastic catch from being accidentally moved to the unlocked position.

[0019] According to another exemplary embodiment of the present application, the elastic catch includes a cantilever portion and a protrusion formed on a distal end of the cantilever portion, and a clamping slot adapted to engage with the protrusion is formed on the lock catch; the position retaining member includes a main body portion and a pair of insertion tongues connected to the main body portion, the pair of insertion tongues of the position retaining member are adapted to be inserted into insertion slots of the outer insulating shell, and the cantilever portion of the elastic catch is adapted to be clamped between the pair of insertion tongues so that the elastic catch is retained in the locked position.

[0020] According to another aspect of the present application, a connector is provided. The connector comprises: the aforementioned connector housing assembly; an inner insulating shell disposed in the inner shielding shell of the connector housing assembly; an inner insulating barrel disposed in the inner shielding barrel of the connector housing assembly; a first terminal held in the inner insulating shell; a second terminal held in the inner insulating barrel and having one end extending into the inner insulating shell; a nut embedded in the inner insulating shell; and a threaded connecting member adapted to enter the inner insulating shell via the mounting opening of the outer insulating shell and the top opening of the inner shielding shell, the threaded connecting member passing through one end of the first terminal and one end of the second terminal and being threadedly connected with the nut to fasten one end of the first terminal to one end of the second terminal.

[0021] According to an exemplary embodiment of the present application, the connector further comprises: a cable having one end extending into the inner insulating barrel and being electrically connected with the other end of the second terminal, the other end of the first terminal extending out of the bottom of the inner insulating shell for electrically connecting to a bus bar.

[0022] According to another exemplary embodiment of the present application, the inner shielding barrel has a rear end portion extending beyond the inner insulating barrel, and the rear end portion of the inner shielding barrel is crimped to the exposed shielding layer of the cable to electrically connect with the shielding layer of the cable.

[0023] According to another exemplary embodiment of the present application, the connector further comprises: a support ring installed into the rear end portion of the inner shielding barrel, and the exposed shielding layer of the cable is clamped between the outer peripheral surface of the support ring and the inner peripheral surface of the rear end portion of the inner shielding barrel.

[0024] According to another exemplary embodiment of the present application, the connector further comprises: a rear end cover installed to the rear end of the cylindrical extension of the outer insulating shell, the rear end cover having a cable hole allowing the cable to pass through, and the cable is led out of the rear end cover via the cable hole.

[0025] According to another exemplary embodiment of the present application, the connector further comprises: a sealing sleeve sleeved on the cable and installed into the rear end of the cylindrical extension of the outer insulating shell, the sealing sleeve being radially pressed between the cable and the inner peripheral surface of the cylindrical extension to achieve sealing therebetween.

[0026] In the aforementioned exemplary embodiments according to the present application, the inner shielding shell is located inside the outer insulating shell, and the connector cover is rotatably installed on the outer insulating shell, capable of simultaneously covering the mounting opening of the outer insulating shell and the top opening of the inner shielding shell, thus simplifying the structure of the connector, easy to operate, and improving the sealing and shielding effects of the connector.

[0027] Other objects and advantages of the present application will become apparent from the following detailed description, taken in conjunction with the accompanying drawings, illustrating by way of example the principles of the application. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 FIG. 1 shows a perspective view of a connector according to one exemplary embodiment of the present application;

[0029] Figure 2 FIG. 2 shows an exploded view of a connector according to one exemplary embodiment of the present application;

[0030] Figure 3 FIG. 3 shows a longitudinal cross-sectional view of a connector according to one exemplary embodiment of the present application;

[0031] Figure 4 FIG. 4 shows a perspective view of a connector according to one exemplary embodiment of the present application, wherein the outer insulating shell is not shown;

[0032] Figure 5 FIG. 5 shows a longitudinal cross-sectional view of a connector according to one exemplary embodiment of the present application, wherein the outer insulating shell is not shown;

[0033] Figure 6 FIG. 6 shows a longitudinal cross-sectional view of a connector housing assembly according to one exemplary embodiment of the present application;

[0034] Figure 7 FIG. 7 shows an exploded cross-sectional view of a connector housing assembly according to one exemplary embodiment of the present application. DETAILED DESCRIPTION

[0035] The technical solutions of the present application will be further described below in conjunction with the drawings. In the description, identical or similar reference numerals indicate identical or similar components. The following description of the embodiments of the present application with reference to the drawings is intended to explain the general inventive concept of the present application, and should not be understood as a limitation of the present application.

[0036] In addition, in the following detailed description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the present disclosure. However, it will be apparent to one skilled in the art that one or more embodiments can be practiced without these specific details. In other instances, well-known structures and devices are shown in block diagram form to avoid obscuring the accompanying drawings.

[0037] According to one general technical concept of the present application, a connector cover is provided. The connector cover is adapted to be rotatably mounted to an outer insulating shell of a connector and rotatable between an open position to open a mounting port of the outer insulating shell and a closed position to close the mounting port. The connector cover has a top cover plate and an annular protrusion protruding inwardly from the top cover plate, the annular protrusion having a bottom surface adapted to contact a peripheral portion of a top opening of an inner shielding shell of the connector. When the connector cover is mounted to the outer insulating shell and in the closed position, the bottom surface of the annular protrusion is in electrical contact with the peripheral portion of the top opening of the inner shielding shell and the top opening of the inner shielding shell is capped by the connector cover.

[0038] According to another general technical concept of the present application, a connector housing assembly is provided. The connector housing assembly includes an outer insulating shell having a mounting port at a top portion thereof, an inner shielding shell mounted in the outer insulating shell and having a top opening, and the aforementioned connector cover rotatably mounted to the top portion of the outer insulating shell. When the connector cover is rotated to the closed position to close the mounting port, the bottom surface of the annular protrusion is in electrical contact with the peripheral portion of the top opening of the inner shielding shell and the top opening of the inner shielding shell is capped by the connector cover.

[0039] According to another general technical concept of the present application, a connector is provided. The connector includes the aforementioned connector housing assembly, an inner insulating shell disposed in the inner shielding shell of the connector housing assembly, an inner insulating barrel disposed in the inner shielding barrel of the connector housing assembly, a first terminal held in the inner insulating shell, a second terminal held in the inner insulating barrel with one end thereof protruding into the inner insulating shell, a nut embedded in the inner insulating shell, and a threaded member adapted to enter the inner insulating shell via the mounting port of the outer insulating shell and the top opening of the inner shielding shell, the threaded member passing through one end of the first terminal and one end of the second terminal and threadedly connected with the nut to fasten one end of the first terminal to one end of the second terminal.

[0040] Figure 1 A perspective view of a connector according to one exemplary embodiment of the present application is shown; Figure 2 An exploded view of a connector according to one exemplary embodiment of the present application is shown; Figure 3 A longitudinal sectional view of a connector according to one exemplary embodiment of the present application is shown; Figure 4 A perspective view of a connector according to one exemplary embodiment of the present application is shown, wherein the outer insulating shell 1 is not shown; Figure 5 A longitudinal sectional view of a connector according to one exemplary embodiment of the present application is shown, wherein the outer insulating shell 1 is not shown; Figure 6A longitudinal sectional view of a connector housing assembly according to one exemplary embodiment of the present application is shown. Figure 7 An exploded sectional view of a connector housing assembly according to one exemplary embodiment of the present application is shown.

[0041] As Figures 1 to 7 shown in one exemplary embodiment of the present application, a connector cover 2 is disclosed. The connector cover 2 is adapted to be rotatably mounted to an outer insulating shell 1 of a connector and rotatable between an open position to open a mounting port 10 of the outer insulating shell 1 and a closed position to close the mounting port 10. The connector cover 2 has a top cover plate 20 and an annular protrusion 27 protruding inwardly from the top cover plate 20, the annular protrusion 27 having a bottom surface 27a adapted to contact a peripheral portion 31b of a top opening 30 of an inner shielding shell 31 of the connector. When the connector cover 2 is mounted to the outer insulating shell 1 and in the closed position, the bottom surface 27a of the annular protrusion 27 is in electrical contact with the peripheral portion 31b of the top opening 30 of the inner shielding shell 31 and the top opening 30 of the inner shielding shell 31 is capped by the connector cover 2.

[0042] As Figures 1 to 7 shown in the illustrated embodiment, a pair of connecting ears 29 are formed on one side of the top cover plate 20 of the connector cover 2, the connecting ears 29 having connecting holes 291 formed thereon adapted to be rotatably connected with a connecting shaft 19 of the outer insulating shell 1 so that the connector cover 2 is rotatable relative to the outer insulating shell 1 between the open position and the closed position.

[0043] As Figures 1 to 7 shown in the illustrated embodiment, a locking catch 28 is formed on the other side of the top cover plate 20 of the connector cover 2, the locking catch 28 adapted to be engaged with a resilient catch 18 on the outer insulating shell 1 so that the connector cover 2 is lockable in the closed position by the resilient catch 18.

[0044] As Figures 1 to 7 shown in the illustrated embodiment, the connector cover 2 is a one-piece stamping formed by stamping a single piece of conductive sheet material.

[0045] As Figures 1 to 7 shown in another exemplary embodiment of the present application, a connector housing assembly is also disclosed. The connector housing assembly includes an outer insulating shell 1, an inner shielding shell 31 and a connector cover 2. The outer insulating shell 1 has a mounting port 10 at a top portion thereof. The inner shielding shell 31 is mounted in the outer insulating shell 1 and has a top opening 30. The connector cover 2 is rotatably mounted to the top portion of the outer insulating shell 1. When the connector cover 2 is rotated to a closed position to close the mounting port 10, a bottom surface 27a of an annular protrusion 27 is in electrical contact with a peripheral portion 31b of the top opening 30 of the inner shielding shell 31 and the top opening 30 of the inner shielding shell 31 is capped by the connector cover 2.

[0046] AsFigures 1 to 7 As shown in the illustrated embodiment, the connector housing assembly further includes a sealing ring 7 which is radially pressed between the inner peripheral surface of the mounting opening 10 of the outer insulating shell 1 and the outer peripheral surface of the annular projection 27 of the connector cover 2 to achieve sealing therebetween.

[0047] As shown in the illustrated embodiment, a plurality of contact projections 3a are formed on the top surface of the peripheral portion 31b of the top opening 30 of the inner shielding shell 31, which are spaced around the top opening 30 for electrical contact with the bottom surface 27a of the annular projection 27 of the connector cover 2. Figures 1 to 7 As shown in the illustrated embodiment, the bottom portion of the outer insulating shell 1 has a flange portion 17 for fixing to a mounting panel (not shown), and the inner shielding shell 31 further has a bottom opening and a plurality of connecting legs 33 connected to the bottom portion of the peripheral wall thereof, which are spaced around the bottom opening and externally protrude from the bottom portion of the flange portion 17 of the outer insulating shell 1 for electrical contact with the mounting panel.

[0048] As shown in the illustrated embodiment, the bottom portion of the outer insulating shell 1 has a flange portion 17 for fixing to a mounting panel (not shown), and the inner shielding shell 31 further has a bottom opening and a plurality of connecting legs 33 connected to the bottom portion of the peripheral wall thereof, which are spaced around the bottom opening and externally protrude from the bottom portion of the flange portion 17 of the outer insulating shell 1 for electrical contact with the mounting panel. Figures 1 to 7 As shown in the illustrated embodiment, a plurality of contact projections 3a are formed on the top surface of the peripheral portion 31b of the top opening 30 of the inner shielding shell 31, which are spaced around the top opening 30 for electrical contact with the bottom surface 27a of the annular projection 27 of the connector cover 2.

[0049] As shown in the illustrated embodiment, a plurality of contact projections 3a are formed on the top surface of the peripheral portion 31b of the top opening 30 of the inner shielding shell 31, which are spaced around the top opening 30 for electrical contact with the bottom surface 27a of the annular projection 27 of the connector cover 2. Figures 1 to 7 As shown in the illustrated embodiment, a connecting nut 34 is embedded in the flange portion 17 of the insulating shell, which is adapted to be threadedly connected with a bolt passing through the mounting panel and the connecting legs 33 to fix the outer insulating shell 1 and the inner shielding shell 31 together to the mounting panel.

[0050] As shown in the illustrated embodiment, the connector housing assembly further includes a sealing ring 1a which is mounted to the bottom surface of the flange portion 17 of the outer insulating shell 1 and surrounds the bottom opening of the outer insulating shell 1. The sealing ring 1a is adapted to be axially pressed between the flange portion 17 of the outer insulating shell 1 and the mounting panel to achieve sealing therebetween. Figures 1 to 7 As shown in the illustrated embodiment, the connector housing assembly further includes a sealing ring 1a which is mounted to the bottom surface of the flange portion 17 of the outer insulating shell 1 and surrounds the bottom opening of the outer insulating shell 1. The sealing ring 1a is adapted to be axially pressed between the flange portion 17 of the outer insulating shell 1 and the mounting panel to achieve sealing therebetween.

[0051] As shown in the illustrated embodiment, the outer insulating shell 1 includes a main shell portion 11 and a cylindrical extension portion 12 connected to the peripheral wall of the main shell portion 11, and the mounting opening 10 is formed on the top wall of the main shell portion 11, and the inner shielding shell 31 is mounted into the main shell portion 11 via the bottom opening of the main shell portion 11. The connector housing assembly further includes an inner shielding cylinder 32 which is mounted into the cylindrical extension portion 12 of the outer insulating shell 1, and one insertion hole 301 is formed on the peripheral wall of the inner shielding shell 31, and one end of the inner shielding cylinder 32 is inserted into the insertion hole 301 of the inner shielding shell 31 and electrically contacts with the inner shielding shell 31. Figures 1 to 7 As shown in the illustrated embodiment, the outer insulating shell 1 includes a main shell portion 11 and a cylindrical extension portion 12 connected to the peripheral wall of the main shell portion 11, and the mounting opening 10 is formed on the top wall of the main shell portion 11, and the inner shielding shell 31 is mounted into the main shell portion 11 via the bottom opening of the main shell portion 11. The connector housing assembly further includes an inner shielding cylinder 32 which is mounted into the cylindrical extension portion 12 of the outer insulating shell 1, and one insertion hole 301 is formed on the peripheral wall of the inner shielding shell 31, and one end of the inner shielding cylinder 32 is inserted into the insertion hole 301 of the inner shielding shell 31 and electrically contacts with the inner shielding shell 31.

[0052] Figures 1 to 7 ​As shown in the illustrated embodiment, a plurality of contact springs 31a are formed on the peripheral wall of the inner shielding shell 31. The plurality of contact springs 31a are distributed at intervals around the insertion hole 301 and are in electrical contact with the outer peripheral surface of one end of the inner shielding cylinder 32.

[0053] like Figures 1 to 7 As shown in the illustrated embodiment, the outer insulating shell 1 is a one-piece injection molded part, and the inner shielding shell 31 and the inner shielding cylinder 32 are one-piece stamped parts.

[0054] like Figures 1 to 7 As shown, in the illustrated embodiment, an elastic buckle 18 is formed on the outer insulating shell 1. The elastic buckle 18 is adapted to engage with a latch 28 on the connector cover 2 to lock the connector cover 2 in the closed position of the mounting port 10.

[0055] like Figures 1 to 7 As shown, in the illustrated embodiment, the resilient snap 18 is adapted to move between a locked position engaged with the latch 28 and an unlocked position disengaged from the latch 28. The connector housing assembly also includes a position retainer 4 adapted to be pluggably mounted onto the outer insulating housing 1. The position retainer 4 serves to hold the resilient snap 18 in the locked position to prevent the resilient snap 18 from being accidentally moved to the unlocked position.

[0056] like Figures 1 to 7 As shown in the illustrated embodiment, the resilient buckle 18 includes a cantilever portion 18a and a protrusion 18b formed at the end of the cantilever portion 18a. A groove 281 adapted to engage with the protrusion 18b is formed on the latch 28. The position retainer 4 includes a main body portion 40 and a pair of tongues 41. The pair of tongues 41 are connected to the main body portion 40. The pair of tongues 41 of the position retainer 4 are adapted to be inserted into the slot 101 of the outer insulating shell 1, and the cantilever portion 18a of the resilient buckle 18 is adapted to be clamped between the pair of tongues 41, so that the resilient buckle 18 is held in a locked position. In the illustrated embodiment, the position retainer 4 can be a one-piece injection molded part.

[0057] like Figures 1 to 7As shown, in another exemplary embodiment of this utility model, a connector is also disclosed. The connector includes: a connector housing assembly, an inner insulating shell 61, an inner insulating cylinder 62, a first terminal 51, a second terminal 52, a nut 92, and a threaded connector 91. The inner insulating shell 61 is disposed within the inner shielding shell 31 of the connector housing assembly. The inner insulating cylinder 62 is disposed within the inner shielding cylinder 32 of the connector housing assembly. The first terminal 51 is held within the inner insulating shell 61. The second terminal 52 is held within the inner insulating cylinder 62, with one end extending into the inner insulating shell 61. The nut 92 is fitted into the inner insulating shell 61. The threaded connector 91 is adapted to enter the inner insulating shell 61 via the mounting port 10 of the outer insulating shell 1 and the top opening 30 of the inner shielding shell 31. The threaded connector 91 passes through one end of the first terminal 51 and one end of the second terminal 52 and is threadedly connected to the nut 92 to secure one end of the first terminal 51 to one end of the second terminal 52.

[0058] like Figures 1 to 7 As shown, in the illustrated embodiment, the connector further includes a cable 53, one end of which extends into the inner insulating shell 62 and is electrically connected to the other end of the second terminal 52. For example, the other end of the second terminal 52 may be crimped onto one end of the cable 53. The other end of the first terminal 51 extends from the bottom of the inner insulating shell 61 for electrical connection to a busbar (not shown).

[0059] like Figures 1 to 7 As shown, in the illustrated embodiment, the inner shielding cylinder 32 has a rear end portion 321 extending beyond the inner insulating cylinder 62, and the rear end portion 321 of the inner shielding cylinder 32 is pressed onto the exposed shielding layer 53a of the cable 53 to be electrically connected to the shielding layer 53a of the cable 53.

[0060] like Figures 1 to 7 As shown, in the illustrated embodiment, the connector further includes a support ring 54, which is mounted in the rear end portion 321 of the inner shielding cylinder 32. The exposed shielding layer 53a of the cable 53 is held between the outer peripheral surface of the support ring 54 and the inner peripheral surface of the rear end portion 321 of the inner shielding cylinder 32.

[0061] like Figures 1 to 7 As shown, in the illustrated embodiment, the connector further includes a rear end cover 56, which is mounted to the rear end of the cylindrical extension 12 of the outer insulating housing 1. The rear end cover 56 has a cable hole through which a cable 53 is led out from the rear end cover 56.

[0062] like Figures 1 to 7As shown, in the illustrated embodiment, the connector further comprises a sealing sleeve 55 which is fitted over the cable 53 and is mounted into the rear end of the cylindrical extension 12 of the outer insulating shell 1. The sealing sleeve 55 is radially compressed between the cable 53 and the inner peripheral surface of the cylindrical extension 12 to achieve a seal therebetween.

[0063] Those skilled in the art can understand that the above-described embodiments are exemplary, and those skilled in the art can make improvements on them, and the structures described in various embodiments can be freely combined without structural or principle conflicts, and these changes shall fall within the protection scope of the present application.

[0064] Although the present application has been described in conjunction with the accompanying drawings, the embodiments disclosed in the drawings are intended to exemplarily illustrate the preferred embodiments of the present application, and cannot be understood as a limitation of the present application.

[0065] Although some embodiments of the general concept of the present application have been shown and described, those of ordinary skill in the art will understand that changes can be made to these embodiments without departing from the principles and spirit of the general concept of the present application, and the scope of the present application is defined by the claims and their equivalents.

[0066] It should be noted that the wording "comprising" does not exclude other elements or steps, and the wording "a" or "an" does not exclude a plurality. Furthermore, any references signs in the claims should not be construed as limiting the scope of the present application.

Claims

1. A connector cover adapted to be rotatably mounted to an outer insulating shell (1) of a connector and capable of being rotated between an open position to open a mounting port (10) of said outer insulating shell (1) and a closed position to close said mounting port (10), characterized in that: said connector cover (2) has a top cover plate (20) and an annular protrusion (27) protruding inwardly from said top cover plate (20), said annular protrusion (27) has a bottom surface (27a) adapted to be in contact with a peripheral portion (31b) of a top opening (30) of an inner shielding shell (31) of said connector, when said connector cover (2) is mounted to said outer insulating shell (1) and is in said closed position, said bottom surface (27a) of said annular protrusion (27) is in electrical contact with said peripheral portion (31b) of said top opening (30) of said inner shielding shell (31) and said top opening (30) of said inner shielding shell (31) is capped by said connector cover (2).

2. The connector cover according to claim 1, characterized in that: a pair of connecting lugs (29) are formed on one side of said top cover plate (20) of said connector cover (2), connecting holes (291) adapted to be rotatably connected with connecting shafts (19) of said outer insulating shell (1) are formed on said connecting lugs (29) so that said connector cover (2) is capable of being rotated relative to said outer insulating shell (1) between said open position and said closed position.

3. The connector cover according to claim 2, characterized in that: a lock catch (28) is formed on the other side of said top cover plate (20) of said connector cover (2), said lock catch (28) is adapted to be engaged with a resilient catch (18) on said outer insulating shell (1) so that said connector cover (2) is capable of being locked in said closed position by said resilient catch (18).

4. The connector cover according to claim 1, characterized in that: said connector cover (2) is an integral stamping formed by stamping a single piece of conductive material plate.

5. A connector housing assembly characterized by, comprising: an outer insulating shell (1) having a mounting port (10) at its top; an inner shielding shell (31) mounted in said outer insulating shell (1) and having a top opening (30); and the connector cover (2) according to any one of claims 1-4, rotatably mounted to the top of said outer insulating shell (1), when said connector cover (2) is rotated to the closed position to close said mounting port (10), said bottom surface (27a) of said annular protrusion (27) is in electrical contact with said peripheral portion (31b) of said top opening (30) of said inner shielding shell (31) and said top opening (30) of said inner shielding shell (31) is capped by said connector cover (2). further comprising:

6. The connector housing assembly of claim 5, wherein, a sealing ring (7) radially squeezed between an inner peripheral surface of said mounting port (10) of said outer insulating shell (1) and an outer peripheral surface of said annular protrusion (27) of said connector cover (2) to achieve sealing therebetween.

7. The connector housing assembly according to claim 5, characterized in that: ​ A plurality of contact projections (3a) are formed on the top surface of the peripheral portion (31b) of the top opening (30) of the inner shield shell (31), and are spaced around the top opening (30) for electrical contact with the bottom surface (27a) of the annular projection (27) of the connector cover (2).

8. The connector housing assembly according to claim 5, wherein: The bottom of the outer insulating shell (1) has a flange portion (17) for fixing to a mounting panel, and the inner shield shell (31) also has a bottom opening and a plurality of connecting legs (33) connected to the bottom of the peripheral wall thereof, which are spaced around the bottom opening and protrude outward from the bottom of the flange portion (17) of the outer insulating shell (1) for electrical contact with the mounting panel.

9. The connector housing assembly according to claim 8, wherein: A connecting nut (34) is embedded in the flange portion (17) of the insulating shell, which is adapted to be threadedly connected with a bolt passing through the mounting panel and the connecting legs (33) to fix the outer insulating shell (1) and the inner shield shell (31) together to the mounting panel.

10. The connector housing assembly of claim 8, wherein, Further comprising: A sealing ring (1a) is mounted to the bottom surface of the flange portion (17) of the outer insulating shell (1) and surrounds the bottom opening of the outer insulating shell (1), The sealing ring (1a) is adapted to be axially pressed between the flange portion (17) of the outer insulating shell (1) and the mounting panel to achieve sealing therebetween.

11. The connector housing assembly according to claim 5, wherein: The outer insulating shell (1) comprises a main shell portion (11) and a cylindrical extension (12) connected to the peripheral wall of the main shell portion (11), and the mounting opening (10) is formed on the top wall of the main shell portion (11), and the inner shield shell (31) is mounted into the main shell portion (11) via the bottom opening of the main shell portion (11); The connector housing assembly further comprises an inner shield cylinder (32) mounted into the cylindrical extension (12) of the outer insulating shell (1), and one insertion hole (301) is formed on the peripheral wall of the inner shield shell (31), and one end of the inner shield cylinder (32) is inserted into the insertion hole (301) of the inner shield shell (31) and is in electrical contact with the inner shield shell (31).

12. The connector housing assembly according to claim 11, wherein: A plurality of contact springs (31a) are formed on the peripheral wall of the inner shield shell (31), and are spaced around the insertion hole (301) and are in electrical contact with the outer peripheral surface of one end of the inner shield cylinder (32).

13. The connector housing assembly according to claim 11, wherein: The outer insulating shell (1) is an integral injection molding piece, and the inner shield shell (31) and the inner shield cylinder (32) are respectively integral stamping pieces.

14. The connector housing assembly according to claim 5, wherein: An elastic catch (18) is formed on the outer insulating shell (1), and is adapted to engage with a lock catch (28) on the connector cover (2) to lock the connector cover (2) in a closed position closing the mounting opening (10).

15. The connector housing assembly according to claim 14, wherein: the elastic catch (18) is adapted to move between a locked position engaging with the lock catch (28) and an unlocked position disengaging from the lock catch (28); the connector housing assembly further comprises: a position retainer (4) adapted to be pluggably mounted to the outer insulating shell (1), the position retainer (4) is used to retain the elastic catch (18) in the locked position to prevent the elastic catch (18) from being accidentally moved to the unlocked position.

16. The connector housing assembly according to claim 15, wherein: the elastic catch (18) comprises a cantilever portion (18a) and a protrusion (18b) formed on a distal end of the cantilever portion (18a), and a clamping groove (281) adapted to engage with the protrusion (18b) is formed on the lock catch (28); the position retainer (4) comprises: a main body portion (40); and a pair of insertion tongues (41) connected to the main body portion (40), the pair of insertion tongues (41) of the position retainer (4) are adapted to be inserted into insertion grooves (101) of the outer insulating shell (1), and the cantilever portion (18a) of the elastic catch (18) is adapted to be clamped between the pair of insertion tongues (41) so that the elastic catch (18) is retained in the locked position. comprising:

17. A connector characterized by comprising: the connector housing assembly according to any one of claims 5-16; an inner insulating shell (61) disposed in an inner shielding shell (31) of the connector housing assembly; an inner insulating barrel (62) disposed in an inner shielding barrel (32) of the connector housing assembly; a first terminal (51) retained in the inner insulating shell (61); a second terminal (52) retained in the inner insulating barrel (62) and having one end extending into the inner insulating shell (61); a nut (92) embedded in the inner insulating shell (61); and a threaded connecting member (91) adapted to enter the inner insulating shell (61) via a mounting opening (10) of the outer insulating shell (1) and a top opening (30) of the inner shielding shell (31), the threaded connecting member (91) passes through one end of the first terminal (51) and one end of the second terminal (52) and is threadedly connected with the nut (92) to fasten one end of the first terminal (51) to one end of the second terminal (52). further comprising: a cable (53) having one end extending into the inner insulating barrel (62) and being electrically connected with the other end of the second terminal (52), 18. The connector of claim 17, wherein, the other end of the first terminal (51) extends out of a bottom of the inner insulating shell (61) for electrical connection to a bus bar.

19. The connector according to claim 18, wherein: ​ ​ The inner shield cylinder (32) has a rear end portion (321) extending beyond the inner insulating cylinder (62), and the rear end portion (321) of the inner shield cylinder (32) is crimped to the exposed shield layer (53a) of the cable (53) to electrically connect with the shield layer (53a) of the cable (53).

20. The connector of claim 19, wherein, Further comprising: a support ring (54) fitted into the rear end portion (321) of the inner shield cylinder (32), the exposed shield layer (53a) of the cable (53) is clamped between the outer peripheral surface of the support ring (54) and the inner peripheral surface of the rear end portion (321) of the inner shield cylinder (32).

21. The connector of claim 19, wherein, Further comprising: a rear end cover (56) fitted to the rear end of the cylindrical extension (12) of the outer insulating shell (1), the rear end cover (56) has a cable hole through which the cable (53) is drawn out of the rear end cover (56).

22. The connector of claim 21, wherein, Further comprising: a sealing sleeve (55) fitted over the cable (53) and into the rear end of the cylindrical extension (12) of the outer insulating shell (1), the sealing sleeve (55) is radially pressed between the cable (53) and the inner peripheral surface of the cylindrical extension (12) to achieve sealing therebetween.

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