CN221900191U - Connector with a plurality of connectors - Google Patents

Abstract

The utility model discloses a connector. The connector includes: a conductive housing including a mating end for mating with a mounting hole on a mounting panel and a mating port formed on the mating end; an insulating inner housing installed in the conductive outer housing and having an operation opening facing the mating port; a cable assembly including a cable and a connection terminal electrically connected to a conductor end of the cable and inserted into the insulating inner case; a bus bar, one end of which enters the insulating inner case via the mating port and the operation opening; and a connector that enters the insulating inner case via the mating port and the operation opening and secures one end of the bus bar to the connection terminal. In the utility model, the connector directly enters from the mating port of the conductive shell, so that an installation port for independently installing the connector is not required to be formed on the conductive shell, the structure of the connector is simplified, the manufacturing cost is reduced, and the use safety of the connector can be improved.

Description

Connector with a plurality of connectors

Technical Field

The present utility model relates to connectors, and more particularly to a high voltage connector.

Background

In the prior art, 90 degree connectors (or right angle connectors) for high voltages typically include a conductive outer housing, an insulating inner housing, a cable assembly, a bus bar, and a connection assembly. A mating port for mating mounting holes on the mounting panel is formed on the bottom of the front end of the conductive outer shell, a mounting port for mounting the connection assembly is formed on the top of the front end of the conductive outer shell, and a rear port for inserting the cable assembly and the insulating inner shell is formed at the rear end of the conductive outer shell. One end of the cable assembly is inserted into the insulating inner housing. One end of the bus bar protrudes into the insulating inner housing via a mating port on the conductive outer housing, and the connection assembly enters the insulating inner housing via a mounting port on the conductive outer housing and secures one end of the bus bar to a connection terminal of the cable assembly such that the bus bar is electrically connected to the cable of the cable assembly.

In the prior art, it is necessary to install a sealing ring and a shield cap on the installation port of the conductive housing to prevent dust from entering from the installation port of the conductive housing and to prevent electromagnetic leakage. This results in a complicated structure of the connector and an increase in cost. In addition, the distance between the shielding cap and the connecting component is relatively short, so that the shielding cap is easy to break down, and the use safety of the connector is reduced.

Disclosure of utility model

The present utility model is directed to solving at least one of the above-mentioned problems and disadvantages of the prior art.

According to one aspect of the present utility model, a connector is provided. The connector includes: a conductive housing including a mating end for mating with a mounting hole on a mounting panel and a mating port formed on the mating end; an insulating inner housing mounted in the conductive outer housing and having an operation opening facing the mating port; a cable assembly including a cable and a connection terminal electrically connected to a conductor end of the cable and inserted into the insulating inner case; a bus bar having one end thereof entering into the insulating inner case via the mating port and the operation opening; and a connector that enters the insulating inner case via the mating port and the operation opening and secures one end of the bus bar to the connection terminal.

According to an exemplary embodiment of the present utility model, the conductive outer shell and the insulating inner shell have front and rear ends opposite in a longitudinal direction thereof and top and bottom opposite in a height direction thereof, respectively, and the mating end and the operation opening are located at the top of the conductive outer shell and the insulating inner shell, respectively; a rear port is formed at a rear end of the conductive outer case, a cable insertion hole facing the rear port is formed at a rear end of the insulating inner case, and one end of a cable of the cable assembly and a connection terminal are inserted into the insulating inner case via the rear port and the cable insertion hole.

According to another exemplary embodiment of the utility model, the insulating inner housing is movably mounted in the conductive outer housing, movable in the longitudinal direction between a pre-load position and a final-load position, and the cable assembly is fixed to the insulating inner housing by the connection such that the cable assembly can move along with the insulating inner housing; when the inner housing is in the pre-assembled position, the connector is centrally located in the mating port in the longitudinal direction such that the connector can be tightened or loosened by an operating tool extending into the mating port; when the connector has been screwed down and the insulating inner housing is in the final mounted position, the connector is biased to one side of the mating port such that the connector cannot be loosened by an operating tool extending into the mating port.

According to another exemplary embodiment of the present utility model, a wall recess is formed in the conductive housing, the wall recess being located at a front side of the mating port; when the insulating inner housing is moved to the final installed position, the connector is at least partially received and positioned in the wall recess such that an operating tool extending into the mating port cannot engage the connector.

According to another exemplary embodiment of the present utility model, the bus bar is biased to one side of the mating port in the longitudinal direction when the insulating inner housing is in the pre-load position; when the connector has been screwed down and the insulating inner case is moved to the final mounting position, the bus bar is centrally located in the mating port in the longitudinal direction to increase the interval between the bus bar and the inner wall surface of the mounting hole of the mounting panel.

According to another exemplary embodiment of the present utility model, the bus bar includes: a main body portion extending in the height direction and protruding from the mating port; and a lower end portion connected to a lower end of the main body portion and bent at right angles with respect to the main body portion, the connection member fastening the lower end portion of the bus bar to the connection terminal such that the bus bar is electrically connected to the cable.

According to another exemplary embodiment of the present utility model, the bus bar further includes: and a connecting post having a cylindrical shape and being riveted to an upper end of the main body portion of the bus bar for electrical connection with a terminal of the device end.

According to another exemplary embodiment of the present utility model, the connector further includes: and a position holder for holding the bus bar. When the inner insulating housing is moved to the final installed position, the position holder is mounted to the mating end of the outer conductive housing and the bus bar such that the inner insulating housing, the cable assembly, the bus bar, and the connector are held in the final installed position.

According to another exemplary embodiment of the present utility model, the connector further includes: and the sealing ring is sleeved outside the opposite end of the conductive shell and is suitable for being extruded between the outer peripheral surface of the opposite end of the conductive shell and the inner peripheral surface of the mounting hole of the mounting panel so as to realize sealing between the two.

According to another exemplary embodiment of the present utility model, the connection member is a bolt, and connection holes allowing the connection member to pass through are formed on the bus bar and the connection terminal; the connector further includes a nut fitted in the insulating inner case, and the connection member passes through the connection hole and is screwed into the nut to fasten the bus bar and the connection terminal together.

According to another exemplary embodiment of the present utility model, an insulating layer is wrapped over the head of the connector such that the head of the connector is electrically isolated from the conductive housing and the operating tool for operating the connector.

According to another exemplary embodiment of the present utility model, the cable assembly further includes a shield connector having one end fitted and press-fitted onto the shield layer of the cable, and the other end fitted onto the rear end of the insulating inner case and electrically contacted with the inner wall surface of the conductive outer case to electrically connect the shield layer of the cable to the conductive outer case.

According to another exemplary embodiment of the present utility model, the conductor end of the cable and the connection terminal are flat, and one end of the connection terminal is stacked and soldered to the conductor end of the cable.

According to another exemplary embodiment of the present utility model, the cable assembly further includes a sealing member on which a through hole allowing the cable to pass is formed, the sealing member being fitted over the cable and installed into the rear port of the conductive housing, the sealing member being pressed between an inner circumferential surface of the rear port of the conductive housing and an outer circumferential surface of the cable to seal the rear port.

According to another exemplary embodiment of the present utility model, the cable assembly further includes: the rear end cap is sleeved on the cable and is suitable for being locked to the rear end of the conductive shell; and a cable clip sleeved on the cable and disposed between the end cap and the seal. When the rear end cap is latched onto the rear end of the conductive housing, the cable clamp grips the cable under the compression of the rear end cap to secure the cable.

According to another exemplary embodiment of the present utility model, the rear end cap includes: a cover plate portion; a latch portion latched to a rear end of the conductive housing; and a tapered portion connected to the cover plate portion and formed with a through hole allowing the cable to pass therethrough. The cable clamp includes: a base plate portion sandwiched between the seal and a cover plate portion of the rear end cap and formed with a through hole allowing the cable to pass therethrough; and a plurality of elastic claws connected to the base plate portion and spaced apart around the through holes in the base plate portion. The plurality of elastic claws extend into the through holes of the tapered portion and clamp the cable under the pressing of the tapered portion.

According to another exemplary embodiment of the present utility model, a flange portion for mounting to the mounting panel is formed on the conductive housing, and a through hole allowing a screw connector to pass through is formed on the flange portion, so that the conductive housing can be mounted and fixed to the mounting panel by the screw connector passing through the through hole.

According to another exemplary embodiment of the present utility model, the connector includes two of the insulating inner housings, two of the cable assemblies, two of the bus bars, and two of the connectors; the two cable assemblies are respectively inserted into the two insulating inner housings, and the two connectors fasten the two bus bars to connection terminals of the two cable assemblies, respectively.

According to another exemplary embodiment of the present utility model, the conductive outer housing has two installation chambers arranged side by side in a lateral direction thereof, into which the two insulating inner housings are respectively installed; each of the installation chambers has one of the rear ports, and the insulating inner case is inserted into the installation chamber via the rear port.

In the foregoing respective exemplary embodiments according to the present utility model, the connector directly enters from the mating port of the conductive housing, and thus, there is no need to form a mounting port for separately mounting the connector on the conductive housing, the structure of the connector is simplified, the manufacturing cost is reduced, and the use safety of the connector can be improved.

Other objects and advantages of the present utility model will become apparent from the following description of the utility model with reference to the accompanying drawings, which provide a thorough understanding of the present utility model.

Drawings

Fig. 1 shows a schematic perspective view of a connector according to an exemplary embodiment of the utility model;

Fig. 2 shows a longitudinal cross-sectional view of a connector according to an exemplary embodiment of the utility model;

FIG. 3 illustrates a longitudinal cross-sectional view of a connector according to an exemplary embodiment of the present utility model, showing a position holder;

FIG. 4 shows a schematic installation view of a connector according to an exemplary embodiment of the present utility model, wherein the cable assembly has not been inserted into the conductive outer housing and the insulating inner housing;

FIG. 5 shows a schematic installation view of a connector according to an exemplary embodiment of the present utility model, wherein a cable assembly has been inserted into a conductive outer housing and an insulating inner housing;

FIG. 6 shows a schematic installation view of a connector according to an exemplary embodiment of the present utility model, wherein the bus bar has been secured by the connector to the connection terminals of the cable assembly and the insulating inner housing is in a pre-assembled position;

FIG. 7 shows a schematic installation view of a connector according to an exemplary embodiment of the present utility model in which the insulating inner housing is moved to a final installed position;

fig. 8 shows a schematic installation view of a connector according to an exemplary embodiment of the present utility model, in which a position holder is mounted to the counter-end of a conductive housing;

FIG. 9 shows a plan cross-sectional view of a connector and mounting panel with an insulating inner housing in a pre-assembled position according to an exemplary embodiment of the utility model;

FIG. 10 shows a plan cross-sectional view of a connector and mounting panel with an insulating inner housing in a final installed position according to an exemplary embodiment of the utility model;

Fig. 11 shows a schematic perspective view of a cable assembly of a connector according to an exemplary embodiment of the present utility model;

FIG. 12 shows an exploded schematic view of a cable assembly of a connector according to an exemplary embodiment of the utility model;

Fig. 13 shows a schematic perspective view of a bus bar of a connector according to an exemplary embodiment of the present utility model.

Detailed Description

The technical scheme of the utility model is further specifically described below through examples and with reference to the accompanying drawings. In the specification, the same or similar reference numerals denote the same or similar components. The following description of embodiments of the present utility model with reference to the accompanying drawings is intended to illustrate the general inventive concept and should not be taken as limiting the utility model.

Furthermore, in the following detailed description, for purposes of explanation, numerous specific details are set forth in order to provide a thorough understanding of the embodiments of the present disclosure. It may be evident, however, that one or more embodiments may be practiced without these specific details. In other instances, well-known structures and devices are shown in the drawings in order to simplify the drawings.

According to one general technical concept of the present utility model, a connector is provided. The connector includes: a conductive housing including a mating end for mating with a mounting hole on a mounting panel and a mating port formed on the mating end; an insulating inner housing mounted in the conductive outer housing and having an operation opening facing the mating port; a cable assembly including a cable and a connection terminal electrically connected to a conductor end of the cable and inserted into the insulating inner case; a bus bar having one end thereof entering into the insulating inner case via the mating port and the operation opening; and a connector that enters the insulating inner case via the mating port and the operation opening and secures one end of the bus bar to the connection terminal.

Fig. 1 shows a schematic perspective view of a connector according to an exemplary embodiment of the utility model; fig. 2 shows a longitudinal cross-sectional view of a connector according to an exemplary embodiment of the utility model; fig. 3 shows a longitudinal section of a connector according to an exemplary embodiment of the utility model, in which a position holder 8 is shown; fig. 4 shows a schematic installation view of a connector according to an exemplary embodiment of the utility model, wherein the cable assembly 3 has not yet been inserted into the conductive outer housing 1 and the insulating inner housing 2; fig. 9 shows a plan cross-sectional view of a connector and mounting panel 6 according to an exemplary embodiment of the utility model, with the insulating inner housing 2 in a pre-assembled position; fig. 10 shows a plan cross-sectional view of a connector and mounting panel 6 according to an exemplary embodiment of the utility model, with the insulating inner housing 2 in a final mounted position.

As shown in fig. 1-4 and 9-10, in one exemplary embodiment of the present utility model, a connector is disclosed. The connector mainly comprises: a conductive outer shell 1, an insulating inner shell 2, a cable assembly 3, bus bars 4 and connectors 5. The conductive housing 1 includes a mating end 11 for mating with the mounting hole 601 on the mounting panel 6 and a mating port 101 formed on the mating end 11. The insulating inner housing 2 is mounted in the conductive outer housing 1 and has an operation opening 201 facing the mating port 101. The cable assembly 3 includes a cable 31 and a connection terminal 32 electrically connected to a conductor end 311 of the cable 31 and inserted into the insulating inner case 2. One end of the bus bar 4 enters the insulating inner case 2 via the mating port 101 and the operation opening 201. The connection member 5 enters the insulating inner case 2 via the mating port 101 and the operation opening 201 and secures one end of the bus bar 4 to the connection terminal 32.

Fig. 5 shows a schematic installation view of a connector according to an exemplary embodiment of the utility model, wherein the cable assembly 3 has been inserted into the conductive outer shell 1 and the insulating inner shell 2; fig. 6 shows a schematic installation view of a connector according to an exemplary embodiment of the utility model, wherein the bus bar 4 has been fastened by the connector 5 to the connection terminals 32 of the cable assembly 3 and the insulating inner housing 2 is in a pre-assembled position; fig. 7 shows a schematic installation view of a connector according to an exemplary embodiment of the utility model, wherein the insulating inner housing 2 is moved to a final mounting position; fig. 8 shows a schematic installation view of a connector according to an exemplary embodiment of the utility model, wherein the position holder 8 is mounted to the counter-end 11 of the conductive housing 1.

As shown in fig. 1 to 10, in the illustrated embodiment, the conductive outer shell 1 and the insulating inner shell 2 have front and rear ends opposite in the longitudinal direction Y thereof and top and bottom opposite in the height direction Z thereof, respectively, and the mating end 11 and the operation opening 201 are located on top of the conductive outer shell 1 and the insulating inner shell 2, respectively.

As shown in fig. 1 to 10, in the illustrated embodiment, a rear port 102 is formed at the rear end 12 of the conductive outer housing 1, a cable insertion hole 202 facing the rear port 102 is formed at the rear end of the insulating inner housing 2, and one end of the cable 31 and the connection terminal 32 of the cable assembly 3 are inserted into the insulating inner housing 2 via the rear port 102 and the cable insertion hole 202.

As shown in fig. 1 to 10, in the illustrated embodiment, the insulating inner housing 2 is movably mounted in the conductive outer housing 1, movable in the longitudinal direction Y between a pre-load position and a final-load position, and the cable assembly 3 is fixed to the insulating inner housing 2 by means of the connection 5 such that the cable assembly 3 can move along with the insulating inner housing 2.

As shown in fig. 6 and 9, in the illustrated embodiment, when the insulating inner housing 2 is in the pre-installed position, the connection piece 5 is centrally located in the counter port 101 in the longitudinal direction Y, so that the connection piece 5 can be screwed or unscrewed by an operating tool (not shown) extending into the counter port 101.

As shown in fig. 7-8 and 10, in the illustrated embodiment, when the connector 5 has been screwed down and the insulating inner housing 2 is in the final installed position, the connector 5 is biased to one side of the mating port 101 such that the connector 5 cannot be released by an operating tool extending into the mating port 101.

As shown in fig. 1 to 10, in the illustrated embodiment, a wall recess 14 is formed in the conductive housing 1, the wall recess 14 being located on the front side of the mating port 101. When the insulating inner housing 2 is moved to the final mounted position, the connection piece 5 is at least partially received and positioned in the wall recess 14 such that an operating tool extending into the counter port 101 cannot engage with the connection piece 5.

As shown in fig. 1 to 10, in the illustrated embodiment, the bus bar 4 is biased to one side of the mating port 101 in the longitudinal direction Y when the insulating inner housing 2 is in the pre-installed position. When the connection 5 has been screwed and the insulating inner housing 2 is moved to the final mounting position, the bus bar 4 is centrally located in the mating port 101 in the longitudinal direction Y to increase the interval between the bus bar 4 and the inner wall surface of the mounting hole 601 of the mounting panel 6.

Fig. 13 shows a schematic perspective view of a bus bar 4 of a connector according to an exemplary embodiment of the present utility model.

As shown in fig. 1-10 and 13, in the illustrated embodiment, the bus bar 4 includes: a main body portion 40 and a lower end portion 41. The main body portion 40 of the bus bar 4 extends in the height direction Z of the conductive housing 1 and protrudes from the mating port 101. The lower end portion 41 of the bus bar 4 is connected to the lower end of the main body portion 40 and bent at right angles with respect to the main body portion 40 so that the bus bar 4 has an L-shape. The connection member 5 fastens the lower end 41 of the bus bar 4 to the connection terminal 32 so that the bus bar 4 is electrically connected to the cable 31.

As shown in fig. 1-10 and 13, in the illustrated embodiment, the bus bar 4 further includes a connection post 43, the connection post 43 being cylindrical and being riveted to the upper end of the main body portion 40 of the bus bar 4 for electrical connection with the terminal of the device end.

As shown in fig. 1-10 and 13, in the illustrated embodiment, the connector further comprises a position holder 8, which position holder 8 is used for holding the bus bar 4. When the insulating inner housing 2 is moved to the final mounting position, the position holder 8 is mounted to the counter end 11 of the conductive outer housing 1 and the bus bar 4, so that the insulating inner housing 2, the cable assembly 3, the bus bar 4 and the connector 5 are held in the final mounting position.

As shown in fig. 1-10 and 13, in the illustrated embodiment, the connector further comprises a sealing ring 7, the sealing ring 7 being sleeved outside the counter-end 11 of the conductive housing 1 and adapted to be pressed between the outer circumferential surface of the counter-end 11 of the conductive housing 1 and the inner circumferential surface of the mounting hole 601 of the mounting panel 6 to achieve a seal therebetween.

As shown in fig. 1 to 10 and 13, in the illustrated embodiment, the connection member 5 may be a bolt, and connection holes 32a allowing the connection member 5 to pass through are formed on the bus bar 4 and the connection terminal 32. The connector further includes a nut 51 fitted in the insulating inner housing 2, and the connection member 5 passes through the connection holes 32a on the bus bar 4 and the connection terminal 32 and is screwed into the nut 51 to fasten the bus bar 4 and the connection terminal 32 together.

As shown in fig. 1-10 and 13, in the illustrated embodiment, an insulating layer 5b is wrapped over the head 5a of the connector 5 such that the head 5a of the connector 5 is electrically isolated from the conductive housing 1 and the operating tool for operating the connector 5. The insulating layer 5b may be injection molded on the head 5a of the connector 5.

As shown in fig. 1-10 and 13, in the illustrated embodiment, the cable assembly 3 further includes a shield connector 36, one end of the shield connector 36 being swaged and crimped onto the shield layer 312 of the cable 31, the other end of the shield connector 36 being swaged onto the rear end of the insulating inner housing 2 and in electrical contact with the inner wall surface of the conductive outer housing 1 to electrically connect the shield layer 312 of the cable 31 to the conductive outer housing 1.

As shown in fig. 1-10 and 13, in the illustrated embodiment, the conductor end 311 and the connection terminal 32 of the cable 31 are flat, and one end of the connection terminal 32 is stacked and soldered to the conductor end 311 of the cable 31.

Fig. 11 shows a schematic perspective view of a cable assembly 3 of a connector according to an exemplary embodiment of the present utility model; fig. 12 shows an exploded schematic view of the cable assembly 3 of the connector according to an exemplary embodiment of the utility model.

As shown in fig. 1 to 13, in the illustrated embodiment, the cable assembly 3 further includes a sealing member 34, a through hole allowing the cable 31 to pass through is formed on the sealing member 34, and the sealing member 34 is fitted over the cable 31 and is mounted into the rear port 102 of the conductive housing 1. The seal 34 is pressed between the inner peripheral surface of the rear port 102 of the conductive housing 1 and the outer peripheral surface of the cable 31 to seal the rear port 102.

As shown in fig. 1 to 13, in the illustrated embodiment, the cable assembly 3 further includes: a rear cap 33 and a cable clamp 35. The rear end cap 33 fits over the cable 31 and is adapted to snap-lock onto the rear end 12 of the conductive housing 1. The cable clamp 35 is fitted over the cable 31 and is arranged between the end cap 33 and the seal 34. When the rear end cap 33 is latched onto the rear end 12 of the conductive housing 1, the cable clamp 35 grips the cable 31 under the pressing of the rear end cap 33 to fix the cable 31.

As shown in fig. 1-13, in the illustrated embodiment, the rear end cap 33 includes: a cover plate portion 33a, a latch portion 331, and a tapered portion 33b. The latch 331 latches to the rear end 12 of the conductive housing 1. The tapered portion 33b is connected to the cover plate portion 33a and is formed with a through hole allowing the cable 31 to pass therethrough. The cable clamp 35 includes a base plate portion 35a and a plurality of elastic claws 35b. The base plate portion 35a is sandwiched between the seal 34 and the cover plate portion 33a of the rear cap 33 and is formed with a through hole allowing the cable 31 to pass therethrough. The plurality of elastic claws 35b are connected to the base plate portion 35a and are spaced apart around the through holes in the base plate portion 35 a. The plurality of elastic claws 35b protrude into the through holes of the tapered portion 33b and hold the cable 31 under the pressing of the tapered portion 33b.

As shown in fig. 1 to 13, in the illustrated embodiment, a flange portion 13 for mounting to the mounting panel 6 is formed on the conductive housing 1, and a through hole 13a allowing a screw-threaded connector 131 to pass through is formed on the flange portion 13, so that the conductive housing 1 can be mounted and fixed to the mounting panel 6 by the screw-threaded connector 131 passing through the through hole 13 a.

As shown in fig. 1 to 13, in the illustrated embodiment, the connector includes two insulating inner housings 2, two cable assemblies 3, two bus bars 4, and two connectors 5. The two cable assemblies 3 are respectively inserted into the two insulating inner housings 2, and the two connecting pieces 5 fasten the two bus bars 4 to the connection terminals 32 of the two cable assemblies 3, respectively.

As shown in fig. 1 to 13, in the illustrated embodiment, the conductive outer case 1 has two installation chambers 100 arranged side by side in the lateral direction X thereof, and two insulating inner cases 2 are installed into the two installation chambers 100, respectively. Each mounting chamber 100 has a rear port 102, and the insulating inner housing 2 is inserted into the mounting chamber 100 via the rear port 102.

It will be appreciated by those skilled in the art that the above-described embodiments are exemplary and that modifications may be made to the embodiments described in various embodiments without structural or conceptual aspects and that these variations may be resorted to without departing from the scope of the utility model.

Although the present utility model has been described with reference to the accompanying drawings, the examples disclosed in the drawings are intended to illustrate preferred embodiments of the utility model and are not to be construed as limiting the utility model.

Although a few embodiments of the present general inventive concept have been shown and described, it would be appreciated by those skilled in the art that changes may be made in these embodiments without departing from the principles and spirit of the general inventive concept, the scope of which is defined in the claims and their equivalents.

It should be noted that the word "comprising" does not exclude other elements or steps, and that the word "a" or "an" does not exclude a plurality. In addition, any element numbers of the claims should not be construed as limiting the scope of the utility model.

Claims (19)

1. A connector for a portable electronic device, characterized by comprising the following steps:

a conductive housing (1) including a mating end (11) for mating with a mounting hole (601) on a mounting panel (6) and a mating port (101) formed on the mating end (11);

an insulating inner housing (2) mounted in the conductive outer housing (1) and having an operation opening (201) facing the mating port (101);

A cable assembly (3) comprising a cable (31) and a connection terminal (32) electrically connected to a conductor end (311) of the cable (31) and inserted into the insulating inner housing (2);

A bus bar (4) one end of which enters the insulating inner case (2) via the mating port (101) and the operation opening (201); and

A connection member (5) which enters the insulating inner case (2) via the mating port (101) and the operation opening (201) and fastens one end of the bus bar (4) to the connection terminal (32).

2. The connector according to claim 1, wherein:

-the conductive outer shell (1) and the insulating inner shell (2) have front and rear ends opposite in their longitudinal direction (Y) and top and bottom opposite in their height direction (Z), respectively, the counter end (11) and the operating opening (201) being located at the top of the conductive outer shell (1) and the insulating inner shell (2), respectively;

A rear port (102) is formed at a rear end (12) of the conductive outer case (1), a cable insertion hole (202) facing the rear port (102) is formed at a rear end of the insulating inner case (2), and one end of a cable (31) and a connection terminal (32) of the cable assembly (3) are inserted into the insulating inner case (2) via the rear port (102) and the cable insertion hole (202).

3. The connector according to claim 2, wherein:

The insulating inner shell (2) is movably mounted in the conductive outer shell (1) movable in the longitudinal direction (Y) between a pre-assembled position and a final assembled position, and the cable assembly (3) is fixed to the insulating inner shell (2) by the connection (5) such that the cable assembly (3) can move along with the insulating inner shell (2);

When the insulating inner housing (2) is in the pre-installation position, the connection piece (5) is centrally located in the counter port (101) in the longitudinal direction (Y) such that the connection piece (5) can be screwed or unscrewed by an operating tool that protrudes into the counter port (101);

When the connector (5) has been screwed down and the insulating inner housing (2) is in the final mounted position, the connector (5) is biased to one side of the counter port (101) such that the connector (5) cannot be released by an operating tool extending into the counter port (101).

4. A connector according to claim 3, wherein:

-forming a wall recess (14) in the conductive housing (1), the wall recess (14) being located on the front side of the mating port (101);

When the insulating inner shell (2) is moved to the final mounted position, the connector (5) is at least partially received and positioned in the wall recess (14) such that an operating tool protruding into the mating port (101) cannot engage with the connector (5).

5. A connector according to claim 3, wherein:

When the insulating inner housing (2) is in the pre-installed position, the bus bar (4) is biased to one side of the mating port (101) in the longitudinal direction (Y);

When the connecting member (5) has been screwed down and the insulating inner case (2) has been moved to the final mounting position, the bus bar (4) is centrally located in the mating port (101) in the longitudinal direction (Y) to increase the spacing between the bus bar (4) and the inner wall surface of the mounting hole (601) of the mounting panel (6).

6. The connector according to claim 2, wherein:

the bus bar (4) includes:

A main body portion (40) extending in the height direction (Z) and protruding from the mating port (101); and

A lower end portion (41) connected to the lower end of the main body portion (40) and bent at right angles to the main body portion (40),

The connection member (5) fastens a lower end portion (41) of the bus bar (4) to the connection terminal (32) so that the bus bar (4) is electrically connected to the cable (31).

7. The connector of claim 6, wherein:

the bus bar (4) further comprises:

And a connecting post (43) which is cylindrical and is riveted to the upper end of the main body part (40) of the bus bar (4) for electrical connection with a terminal of the device end.

8. A connector according to claim 3, further comprising:

a position holder (8) for holding the bus bar (4),

When the insulating inner housing (2) is moved to the final mounting position, the position holder (8) is mounted to the counter end (11) of the conductive outer housing (1) and the bus bar (4) such that the insulating inner housing (2), the cable assembly (3), the bus bar (4) and the connection piece (5) are held in the final mounting position.

9. The connector of claim 1, further comprising:

And the sealing ring (7) is sleeved outside the opposite end (11) of the conductive shell (1) and is suitable for being extruded between the outer peripheral surface of the opposite end (11) of the conductive shell (1) and the inner peripheral surface of the mounting hole (601) of the mounting panel (6) so as to realize sealing between the two.

10. The connector according to claim 1, wherein:

The connecting piece (5) is a bolt, and a connecting hole (32 a) allowing the connecting piece (5) to pass through is formed on the bus bar (4) and the connecting terminal (32);

The connector further comprises a nut (51) fitted in the insulating inner case (2), and the connecting member (5) passes through the connecting hole (32 a) and is screwed into the nut (51) to fasten the bus bar (4) and the connecting terminal (32) together.

11. The connector according to claim 1, wherein:

An insulating layer (5 b) is wrapped around the head (5 a) of the connector (5) such that the head (5 a) of the connector (5) is electrically isolated from the conductive housing (1) and from the operating means for operating the connector (5).

12. The connector according to claim 1, wherein:

the cable assembly (3) further comprises a shielding connector (36), one end of the shielding connector (36) is sleeved and pressed onto the shielding layer (312) of the cable (31), and the other end of the shielding connector (36) is sleeved onto the rear end of the insulating inner shell (2) and is in electrical contact with the inner wall surface of the conductive outer shell (1) so as to electrically connect the shielding layer (312) of the cable (31) to the conductive outer shell (1).

13. The connector according to claim 1, wherein:

the conductor end (311) of the cable (31) and the connection terminal (32) are flat, and one end of the connection terminal (32) is stacked and welded to the conductor end (311) of the cable (31).

14. The connector according to claim 1, wherein:

The cable assembly (3) further comprises a sealing member (34), a through hole allowing the cable (31) to pass through is formed on the sealing member (34), the sealing member (34) is sleeved on the cable (31) and is installed in a rear port (102) of the conductive shell (1),

The seal (34) is pressed between an inner peripheral surface of a rear port (102) of the conductive housing (1) and an outer peripheral surface of the cable (31) to seal the rear port (102).

15. The connector of claim 14, wherein:

the cable assembly (3) further comprises:

A rear end cap (33) fitted over the cable (31) and adapted to be snapped onto the rear end (12) of the conductive housing (1); and

A cable clamp (35) which is sleeved on the cable (31) and is arranged between the rear end cap (33) and the sealing element (34),

When the rear end cap (33) is locked to the rear end (12) of the conductive housing (1), the cable clamp (35) clamps the cable (31) under the pressing of the rear end cap (33) to fix the cable (31).

16. The connector of claim 15, wherein:

the rear end cap (33) includes:

a cover plate part (33 a);

A latch portion (331) latched to a rear end (12) of the conductive housing (1); and

A tapered portion (33 b) connected to the cover plate portion (33 a) and formed with a through hole allowing the cable (31) to pass therethrough,

The cable clamp (35) comprises:

A base plate portion (35 a) which is sandwiched between the seal (34) and a cover plate portion (33 a) of the rear cap (33) and which is formed with a through hole through which the cable (31) is allowed to pass; and

A plurality of elastic claws (35 b) connected to the base plate portion (35 a) and distributed at intervals around the through holes on the base plate portion (35 a),

The plurality of elastic claws (35 b) extend into the through holes of the tapered portion (33 b) and clamp the cable (31) under the pressing of the tapered portion (33 b).

17. The connector according to claim 1, wherein:

A flange portion (13) for mounting to the mounting panel (6) is formed on the conductive housing (1), and a through hole (13 a) allowing a screw connector (131) to pass through is formed on the flange portion (13), so that the conductive housing (1) can be mounted and fixed to the mounting panel (6) by the screw connector (131) passing through the through hole (13 a).

18. The connector according to claim 2, wherein:

The connector comprises two insulating inner shells (2), two cable assemblies (3), two bus bars (4) and two connecting pieces (5);

the two cable assemblies (3) are respectively inserted into the two insulating inner shells (2), and the two connecting pieces (5) fasten the two bus bars (4) to the connecting terminals (32) of the two cable assemblies (3) respectively.

19. The connector of claim 18, wherein:

the conductive outer shell (1) has two installation chambers (100) arranged side by side in a transverse direction (X) thereof, the two insulating inner shells (2) being respectively installed into the two installation chambers (100);

Each of the installation chambers (100) has one of the rear ports (102), and the insulating inner case (2) is inserted into the installation chamber (100) via the rear port (102).