Receptacle, plug, and connector assembly

Abstract

The present invention relates to the technical field of electrical connectors, and in particular to a receptacle, a plug, and a connector assembly. The connector assembly comprises a receptacle and a plug. The receptacle comprises a receptacle insulator and receptacle contact members fixedly arranged in the receptacle insulator; one end of the receptacle insulator is provided with a connecting structure; the end portions of the receptacle contact members facing the end where the connecting structure of the receptacle insulator is located form a receptacle insertion end used for being connected to the plug in an insertion manner; the receptacle insertion end is not higher than the connecting structure; and the receptacle insulator is internally provided with an insertion cavity. The plug comprises a plug housing and plug contact members located in the plug housing; the plug housing is provided with an insertion port; a plug insertion end of the plug contact members protrudes out of the insertion port; and the plug insertion end is used for being inserted into the insertion cavity of the receptacle so as to be inserted and connected to the receptacle insertion end. A receptacle housing is removed, so that the number of parts of the receptacle is reduced, the overall structure is simple, and the production and manufacturing costs are significantly reduced.

Description

Sockets, plugs and connector assemblies Technical Field

[0001] The present invention relates to the technical field of electrical connectors, and in particular to a socket, a plug and a connector assembly. Background Art

[0002] As a convenient connection component, connectors are widely used in various industries, such as the new energy vehicle industry. Due to different usage environments, there are various requirements for the connector's cable outlet direction. To improve versatility and reduce investment costs, socket-sharing is usually selected. Plugs have a variety of cable outlet angles, resulting in different plug structures such as straight and curved. Currently, common curved connectors usually adopt a structure in which the plug is concave and the socket is convex. As shown in Figures 1-3, the plug 2 is a curved plug and the socket 1 is a straight socket. The socket plug end is inserted into the plug plug cavity to achieve electrical connection. The plug 2 includes a plug housing 204 and a plug contact 206 arranged inside the plug housing 204. One end of the plug 2 is a plug port 213 adapted to the socket 1, and the other end is an outlet end 214. The angle between the outlet direction and the plug direction is 90°. The plug housing 204 has a cavity adapted to the size of the plug contact 206 to ensure that the plug contact 206 can be installed in the plug housing 204. In order to minimize the volume of the plug housing, the plug contact is usually designed to be straight or have a slightly bent structure at one end. The socket 1 typically includes a socket housing 101, a socket insulator 102, and a socket contact 103 fixedly disposed within the socket insulator 102. The socket housing 101 surrounds the outer portion of the socket contact 103 that protrudes above the socket insulator 102 to protect the socket contact from collision. The socket housing 101 typically has a relatively large flange surface 105 for fixed connection to the device panel, resulting in a relatively large overall volume. Furthermore, the manufacturing process of the socket also involves the relative fixation of the socket housing and the socket insulator, as well as the fact that the socket housing itself is composed of multiple separate structures. This results in a large number of socket parts and a high manufacturing cost. Currently, there are also some sockets without a housing. When such a socket is installed on the device panel, the socket contact protrudes from the device panel, which presents a risk of collision and bumping during the device's transportation. Furthermore, a protective structure needs to be designed around the device panel, which also results in a larger volume and increased costs. Summary of the Invention

[0003] The object of the present invention is to provide a socket to solve the problem that the socket contacts of the existing socket are higher than the socket insulator, resulting in a complex overall structure of the socket and a high cost; the object of the present invention is also to provide a plug to solve the problem that the plug contacts of the existing plug are entirely located in the plug accommodating cavity, and the socket contacts of the socket adapted thereto protrude outward, requiring a protective structure to be provided for the socket contacts, resulting in a complex overall structure of the adapted socket and a high cost; the object of the present invention is also to provide a connector assembly to solve the problem that the plug contacts of the existing connector are entirely located in the plug accommodating cavity, and the socket contacts protrude outward from the socket insulator, requiring a protective structure to be provided for the socket contacts, resulting in a complex overall structure of the socket and a high cost.

[0004] To achieve the above-mentioned purpose, the socket of the present invention adopts the following technical solution: the socket includes a socket insulator and a socket contact fixedly arranged in the socket insulator, one end of the socket insulator has a connecting structure for fixedly connecting to the hole edge of the socket mounting hole on the equipment panel, the end of the socket contact facing the end of the connecting structure of the socket insulator constitutes a socket plugging end for plugging with an adapter plug, the socket plugging end is not higher than the said connecting structure, and the socket insulator has a plugging cavity for inserting the plug contact of the adapter plug and plugging with the socket contact.

[0005] Furthermore, the connection structure is a connection flange, which is used to be screwed to the hole edge of the socket mounting hole on the equipment panel.

[0006] Furthermore, a socket-side sealing groove is provided on the contact surface of the connection structure for contacting the device panel, and a first sealing ring for pressing and contacting the device panel is provided in the socket-side sealing groove.

[0007] Furthermore, the socket contact is a clip-type contact, and an insertion space for the plug contact of the adapter plug is formed between the two opposite plates of the clip-type contact. The socket insulator is provided with a shielding arm that shields the ends of the two opposite plates facing the plug-in side.

[0008] Furthermore, the opposite side surfaces of the shielding arms corresponding to the two opposite sheets are both inclined surfaces to form guide surfaces for guiding the plug contacts of the adapter plug to enter the insertion space.

[0009] Furthermore, the socket also includes a dust cover which is installed on the socket insulator to cover the cavity opening of the plug cavity during the equipment turnover process and is removed before the socket is mated with the plug.

[0010] Furthermore, the dust cover has a cylindrical portion for inserting into the plug-in cavity and a stopping portion for stopping and cooperating with the end surface of the socket insulator.

[0011] Beneficial effects: The socket of the present invention is improved on the basis of the existing socket, and the socket contact is arranged inside the socket insulator. One end of the socket insulator has a connection structure for fixedly connecting to the hole edge of the socket mounting hole on the equipment panel, so that the socket can be fixedly connected to the equipment panel through the connection structure of the socket insulator; the socket plugging end of the socket contact for plugging with the adapter plug is not higher than the connection structure of the socket insulator, which is equivalent to retracting the socket contact, weakening the protruding effect of the socket contact, so that there is no need to set a socket shell on the outside of the socket contact to protect the socket contact from collision, eliminating the socket shell, reducing the number of socket parts, making the overall structure simpler, and significantly reducing the manufacturing cost. Since the protruding effect of the socket contact is weakened, the risk of collision and bumping can be reduced. After the socket is installed on the equipment panel, there is no need to design a protective structure around the equipment panel. The socket insulator is provided with an inserting cavity for the plug contact of the adapter plug to be inserted and engaged with the socket contact. The plug contact of the adapter plug extends into the socket inserting cavity for insertion. The socket as a whole is a concave structure, and the socket contact is not higher than the connecting structure of the socket insulator. After being installed on the equipment panel, only the connecting structure of the socket insulator protrudes from the equipment panel, and other structures are accommodated inside the equipment, avoiding the risk of collision and bumping during the equipment turnover and transportation.

[0012] The plug of the present invention adopts the following technical solution: the plug includes a plug housing and a plug contact in the plug housing, the plug housing has a plug port corresponding to the adapter socket, the plug plug end of the plug contact for engaging with the adapter socket protrudes from the plug port, and the plug plug end is used to be inserted into the plug cavity within the connection structure of the adapter socket for fixed connection with the hole of the socket mounting hole on the equipment panel, so as to be plugged and connected with the socket plug end which is not higher than the connection structure.

[0013] Furthermore, the plug-in port has a sealing docking surface for sealingly docking with a device panel where the adapter socket is located, and an accommodating space for accommodating a connection structure of the adapter socket is provided between the plug-in end and the plug-in port.

[0014] Furthermore, a connection hole for fixedly connecting to a device panel where the adapter socket is located is provided on the edge of the plug port.

[0015] Furthermore, the plug is a curved plug, the plugging port is located at one end of the curved plug, and the other end of the curved plug is the outlet end.

[0016] Furthermore, the plug contact comprises a first connecting member and a second connecting member, and the first connecting member and the second connecting member are connected at a bend inside the plug housing.

[0017] Beneficial Effects: The plug of the present invention is an improvement over the existing plug. The plug contact is disposed inside the plug housing. The plug plug end of the plug contact, which is used to mate with the adapter socket, protrudes from the plug port of the plug housing. The plug plug end can be inserted into the plug cavity of the adapter socket to mate with the socket plug end of the socket contact. The plug contact is an outwardly convex structure, which makes the adapter socket as a whole a concave structure. The socket plug end of the socket contact of the adapter socket is not higher than the connection structure of the socket insulator, which weakens the protruding effect of the socket contact. The socket housing does not need to be disposed on the outside of the socket contact to protect the socket contact from collision. The socket housing is omitted, which reduces the number of socket parts, simplifies the overall structure, and reduces manufacturing costs. Since the protruding effect of the socket contact is weakened, the socket contact is not higher than the connection structure of the socket insulator, which can reduce the risk of collision.

[0018] The connector assembly of the present invention adopts the following technical solution: a connector assembly, including a socket and a plug, the socket including a socket insulator and a socket contact fixedly arranged in the socket insulator, one end of the socket insulator has a connecting structure for fixedly connecting to the hole edge of the socket mounting hole on the equipment panel, the end of the socket contact facing the end of the connecting structure of the socket insulator constitutes a socket plug-in end for plugging with the plug, the socket plug-in end is not higher than the connecting structure, and the socket insulator has a plug-in cavity for the plug contact of the plug to be inserted and plugged with the socket contact; the plug includes a plug shell and a plug contact located in the plug shell, the plug shell has a plug port corresponding to the socket, the plug plug-in end of the plug contact for plugging with the socket protrudes from the plug port, and the plug plug-in end is used to be inserted into the plug-in cavity within the connecting structure of the socket for fixedly connecting to the hole edge of the socket mounting hole on the equipment panel, so as to be plugged and connected with the socket plug-in end not higher than the connecting structure.

[0019] Furthermore, the connection structure is a connection flange, which is used to be screwed to the hole edge of the socket mounting hole on the equipment panel.

[0020] Furthermore, a socket-side sealing groove is provided on the contact surface of the connection structure for contacting the device panel, and a first sealing ring for pressing and contacting the device panel is provided in the socket-side sealing groove.

[0021] Furthermore, the socket contact is a clip-type contact, and an insertion space for the plug contact of the adapter plug is formed between the two opposite plates of the clip-type contact. The socket insulator is provided with a shielding arm that shields the ends of the two opposite plates facing the plug-in side.

[0022] Furthermore, the opposite side surfaces of the shielding arms corresponding to the two opposite sheets are both inclined surfaces to form guide surfaces for guiding the plug contacts of the adapter plug to enter the insertion space.

[0023] Furthermore, the socket also includes a dust cover which is installed on the socket insulator to cover the cavity opening of the plug cavity during the equipment turnover process and is removed before the socket is mated with the plug.

[0024] Furthermore, the dust cover has a cylindrical portion for inserting into the plug-in cavity and a stopping portion for stopping and cooperating with the end surface of the socket insulator.

[0025] Furthermore, the plug-in port has a sealing docking surface for sealingly docking with a device panel where the adapter socket is located, and an accommodating space for accommodating a connection structure of the adapter socket is provided between the plug-in end and the plug-in port.

[0026] Furthermore, a connection hole for fixedly connecting to a device panel where the adapter socket is located is provided on the edge of the plug port.

[0027] Furthermore, the plug is a curved plug, the plugging port is located at one end of the curved plug, and the other end of the curved plug is the outlet end.

[0028] Furthermore, the plug contact comprises a first connecting member and a second connecting member, and the first connecting member and the second connecting member are connected at a bend inside the plug housing.

[0029] Beneficial effects: The connector assembly of the present invention is improved on the basis of the existing connector assembly, and the socket contact is arranged inside the socket insulator, and one end of the socket insulator has a connection structure for fixedly connecting to the hole edge of the socket mounting hole on the equipment panel, so that the socket can be fixedly connected to the equipment panel through the connection structure of the socket insulator; the socket plugging end of the socket contact for plugging with the plug is not higher than the connection structure of the socket insulator, which is equivalent to retracting the socket contact, weakening the protruding effect of the socket contact, so that there is no need to set a socket shell on the outside of the socket contact to protect the socket contact from collision, eliminating the socket shell, reducing the number of socket parts, making the overall structure simpler, and significantly reducing the manufacturing cost. Since the protruding effect of the socket contact is weakened, the risk of collision and bumping can be reduced. After the socket is installed on the equipment panel, there is no need to design a protective structure around the equipment panel. The plug contact is arranged inside the plug housing, and the plug plugging end of the plug contact for mating with the socket protrudes from the mating port of the plug housing. The plug plugging end can be inserted into the mating cavity of the socket to be mated and connected with the socket plugging end of the socket contact. The plug contact is an outward convex structure, and the socket as a whole is an inward concave structure. The plug contact extends into the mating cavity of the socket to achieve mating, which simplifies the socket structure, reduces the socket cost, and thus reduces the connector cost. BRIEF DESCRIPTION OF THE DRAWINGS

[0030] FIG1 is a cross-sectional view of a conventional angled connector with a socket and plug engaged; FIG2 is a schematic structural diagram of a conventional angled connector plug; FIG3 is a schematic structural diagram of a conventional angled connector socket; FIG4 is an overall schematic diagram of a connector assembly according to a first embodiment of the present invention mounted on a device panel; FIG5 is a cross-sectional view of a connector assembly according to a first embodiment of the present invention mounted on a device panel; FIG6 is a schematic structural diagram of the socket in the connector assembly according to a first embodiment of the present invention; FIG7 is a cross-sectional view of the socket in the connector assembly according to a first embodiment of the present invention from one perspective; FIG8 is a view of the mating surface of the socket in the connector assembly according to a first embodiment of the present invention for mating with a plug; FIG9 is a cross-sectional view of a socket insulator according to a first perspective; FIG10 is a cross-sectional view of the socket insulator according to another perspective; FIG11 is a cross-sectional view of the socket insulator according to another perspective; FIG12 is an overall schematic diagram of the socket insulator; FIG13 is a schematic structural diagram of a two-core plug; FIG14 is a schematic diagram of the mating and connection of the first and second connectors of the plug contact; FIG15 is a schematic diagram of the connection of the first and second connectors of the plug contact by tightening screws; FIG16 is a schematic structural diagram of a three-core plug; Figure 17 is an overall schematic diagram of the second embodiment of the connector assembly of the present invention, which is mounted on a device panel; Figure 18 is a cross-sectional view of the second embodiment of the connector assembly of the present invention, which is mounted on a device panel; Figure 19 is a schematic structural diagram of the socket in the second embodiment of the connector assembly of the present invention; Figure 20 is a cross-sectional view of the socket in the second embodiment of the connector assembly of the present invention; Figure 21 is a schematic structural diagram of the plug in the second embodiment of the connector assembly of the present invention; Figure 22 is a cross-sectional view of the plug in the second embodiment of the connector assembly of the present invention; In the figure: 1, socket; 101, socket housing; 102, socket insulator; 1020, outer flange; 1021, screw mounting hole; 1022, socket side sealing groove; 1023, plug cavity; 103, socket contact; 1031, sheet; 1032, rivet; 1033, rivet nut; 1034, copper plate; 1035, steel plate; 104, first sealing ring; 105, flange surface; 106, dust cover; 1061, barrel; 1062, stopper; 107, spring claw; 108, shielding arm; 109, guide surface; 110, seal; 2, plug; 201, tail cover; 202, wire fixing plate; 203, inner shield Ring; 204, plug housing; 205, second insulator pressure plate; 206, plug contact; 2061, first connecting member; 2062, second connecting member; 2063, spring claw structure; 2064, screw; 2065, nut; 207, wire sealing body; 208, wire sealing body baffle; 209, outer shielding ring; 210, first insulator pressure plate; 211, plug insulator; 212, second sealing ring; 213, plug port; 214, outlet terminal; 215, vertical positioning spring; 3, equipment panel. DETAILED DESCRIPTION

[0031] The features and performance of the present invention are further described in detail below with reference to the embodiments.

[0032] The connector assembly of the present invention primarily improves the plug and socket structures of existing connectors. The plug contacts of existing connectors are recessed and fixedly mounted within the plug housing, while the sockets are convex, with the plug-in ends of the socket contacts protruding from the socket insulator. This requires a socket housing to protect the socket contacts from collisions, resulting in a large number of socket parts and high manufacturing costs. The connector assembly of the present invention improves the plug-and-socket mating structure to simplify the socket structure, reduce the number of socket parts, and lower the cost of the socket.

[0033] The principle of the connector assembly of the present invention is as follows: a connection structure is provided at one end of a socket insulator, the connection structure being used to securely connect to the edge of a socket mounting hole on a device panel; a socket contact is fixedly disposed within the socket insulator, with the socket plug end no higher than the connection structure; a plug cavity is defined within the socket insulator for inserting a plug contact and mating with the socket contact; the plug contact is disposed within a plug housing, the plug plug end of the plug contact, which is used to mate with the socket, protruding from the mating port of the plug housing and capable of being inserted into the socket cavity to engage with the socket plug end of the socket contact. The plug contact is an outwardly convex structure, while the socket as a whole is an inwardly concave structure, and the plug contact extends into the socket cavity for mating. The socket can be fixedly connected to the equipment panel through the connecting structure of the socket insulator. The socket plugging end of the socket contact for connecting with the plug is not higher than the connecting structure of the socket insulator, which is equivalent to retracting the socket contact, thereby reducing the risk of impact and knock. In this way, there is no need to set a socket shell on the outside of the socket contact to protect the socket contact from collision. The elimination of the socket shell reduces the number of socket parts, makes the overall structure simpler, and significantly reduces the production cost. After the socket is installed on the equipment panel, there is no need to design a protective structure around the equipment panel, thereby avoiding impact and knock during turnover caused by the socket protruding from the equipment panel.

[0034] Embodiment 1 of the connector assembly of the present invention: As shown in Figure 4, the connector assembly includes a socket 1 and a plug 2. The socket 1 has a connecting structure for fixedly connecting to the hole edge of the socket mounting hole on the device panel 3. After the socket 1 is installed on the device panel 3, all parts except the connecting structure are sunk into the interior of the device. The plug 2 has a sealing docking surface for sealingly docking with the device panel 3. After the plug 2 is plugged into the socket 1, the plug plugging end of the plug contact extends into the interior of the socket 1 and is plugged into the socket contact. The sealing docking surface of the plug 2 is sealed and docked with the device panel 3 and is fastened by screws.

[0035] The structure of the socket is shown in Figures 6-8. The socket, without a housing, includes a socket insulator 102 and a socket contact 103 fixedly disposed within the socket insulator 102. One end of the socket insulator 102 has an external flange 1020, which forms a connection structure for fixedly connecting to the edge of the socket mounting hole on the device panel 3. The end of the socket contact 103, facing the external flange 1020 of the socket insulator 102, forms the socket plug end for mating with the plug 2. The socket plug end is lower than the external flange 1020. The socket insulator 102 defines a mating cavity 1023 for inserting the plug contact 206, which then mates with the socket contact 103. The mating cavity 1023 specifically refers to the insertion space within the socket insulator 102 for inserting an adapter plug. As shown in Figure 5, both the plug insulator 211 and the plug contact 206 are inserted into this mating space.

[0036] As shown in FIG5 , the plug includes a plug housing 204 and plug contacts 206 located within the plug housing 204. The plug housing 204 has a mating port 213 corresponding to the socket 1. The plug-in end of the plug contact 206, which is used to mate with the socket 1, protrudes from the mating port 213. The plug-in end is inserted into the mating cavity within the outer flange 1020 of the socket to mate with the socket mating end, which is not higher than the outer flange 1020. The structures of the socket contacts and plug contacts are not limited herein. When the socket contacts have a receptacle or a mating space, the plug contacts are pin contacts. When the socket contacts are pin contacts, the plug contacts may have a receptacle or a mating space for the pin contacts to be inserted.

[0037] An outer flange 1020 at one end of the socket insulator 102 serves as a connection flange, as shown in Figures 9-12. Screw holes 1021 are provided on the connection flange. The socket insulator 102 can be fixedly connected to the socket mounting holes on the device panel 3 via screws. This simplifies the fixed connection structure between the socket insulator 102 and the device panel 3 and facilitates connection. A socket-side sealing groove 1022 is provided on the contact surface of the outer flange 1020 for contact with the device panel. A first sealing ring 104 is mounted within the socket-side sealing groove 1022. As shown in Figure 7, the first sealing ring 104 is configured to press against the device panel to achieve a sealed fit between the outer flange 1020 and the device panel.

[0038] It is conceivable that the socket insulator may also be fixedly connected to the device panel using other methods. For example, in another embodiment, one end of the socket insulator has an outer flange, which is not provided with screw mounting holes. The socket further includes a clamping member, which compresses and secures the outer flange to the device panel. The clamping member is fixedly connected to the device panel via screws. The clamping member is specifically a compression sleeve, and the compression sleeve has a central escape channel to avoid the insertion cavity. The compression member compresses and secures the outer flange of the socket insulator to the device panel, which provides a more reliable compression, thereby ensuring a more secure connection between the socket and the device panel and preventing the socket from loosening during device transportation. Alternatively, a plurality of lugs may be circumferentially spaced apart at one end of the socket insulator, each lug having screw holes. The socket insulator is fixedly connected to the device panel via screws. In this case, the plurality of lugs constitute a connection structure for fixed connection to the device panel.

[0039] As shown in Figure 7, a cavity is provided within the socket insulator 102, into which the socket contact 103 is inserted. The socket contact 103 is secured to the socket insulator 102 by its own spring claw 107. Two cavities can be provided within the socket insulator 102, separated by an insulation barrier, with the two socket contacts 103 respectively inserted into the two cavities. Of course, more cavities can be provided to accommodate more socket contacts. The socket contact 103 is specifically a clip-on contact, comprising two opposing blades 1031. The two opposing blades 1031 form an insertion space for the plug contact 206 of the adapter plug 2. The plug contact 206 is inserted between the two opposing blades 1031 of the clip-on contact and is clamped by the two opposing blades to achieve a reliable electrical connection. The rear sections of the two opposing blades 1031 are fixedly connected together by rivets 1032. A seal 110 is provided on the exterior of the rear sections of the two opposing blades 1031 within the socket insulator 102. Rivet nuts 1033 are mounted at the ends of the two opposing blades, which are used to connect to other conductive components via screws. Furthermore, the two opposing blades 1031 each include a copper plate 1034 and a steel plate 1035. The copper plate 1034 primarily serves as a conductor, while the steel plate 1035 is attached to the exterior of the copper plate 1034, specifically to the exterior of the front section of the copper plate 1034 and extending to the connection point of the rivet 1032. The steel plate 1035 is provided with a spring claw 107 that abuts against a stepped surface within the cavity to limit the position of the socket contact 103. The steel plate 1035 has good elasticity. When the copper plate 1034 is squeezed and deformed by the plug contact, the steel plate exerts a restoring elastic force on the copper plate, ensuring close contact between the copper plate and the plug contact.

[0040] The socket insulator 102 is further provided with a shielding arm 108 that blocks the ends of the two opposite sheets 1031 facing the plug-in side. The shielding arm 108 can shield the socket plug-in end of the socket contact 103 from one side, preventing the plug contact 206 from pressing against the socket plug-in end of the socket contact 103 when the plug 2 is inserted into the socket 1, thereby preventing the socket contact 103 from being damaged by pressure during continued insertion with force, thereby protecting the socket contact 103; at the same time, it can also prevent fingers from directly touching the socket plug-in end of the socket contact 103.

[0041] On this basis, the opposing side surfaces of the shielding arms 108 corresponding to the two opposing blades are further configured as inclined surfaces. These inclined surfaces form guide surfaces 109 that guide the plug contacts 206 of the adapter plug 2 into the insertion space between the two opposing blades. When the plug 2 is inserted into the receptacle 1, the guide surfaces guide the plug contacts 206, allowing them to smoothly enter the insertion space between the two opposing blades, making the insertion operation more convenient and efficient. Of course, the shielding arms do not need to have guiding surfaces. Of course, in other embodiments, the shielding arms can also be omitted, requiring the operator to pay more attention.

[0042] The socket 1 also includes a dust cover 106. During device operation, when the socket 1 is not mated with the plug 2, the dust cover 106 is installed on the socket insulator to cover and shield the insertion cavity, providing dust and water protection. It is removed before the socket 1 and plug 2 are mated. Of course, the dust cover also protects the socket contacts. The dust cover 106 comprises a barrel 1061 for insertion into the insertion cavity and a stopper 1062 for engaging with the end face of the socket insulator 102. The barrel 1061 has a base with an outer flange that forms the stopper. A handle is also attached to the outer surface of the base to facilitate installation and removal of the dust cover. In other embodiments, the dust cover can also be plate-shaped, in which case it can be secured to the socket insulator with screws for easy removal. When the operating environment is relatively clean and protected from rain, the socket does not need to include a dust cover; the concave design of the socket contacts can also fully meet the protection requirements.

[0043] The above provides various embodiments in which the socket plug-in end of the socket contact is lower than the outer flange of the socket insulator. In specific applications, the socket plug-in end of the socket contact can also be made flush with the outer flange of the socket insulator, as long as it is not higher than the outer flange.

[0044] As shown in Figures 5 and 13, the plug 2 is composed of a plug housing 204, a plug insulator 211, a first insulator pressure plate 210, a second insulator pressure plate 205, plug contacts 206, an inner shielding ring 203, an outer shielding ring 209, a wire sealing body baffle 208, a wire sealing body 207, a tail cover 201, and a wire fixing plate 202. The plug housing 204 has a plug port 213 corresponding to the socket 1. The plug port 213 has a sealing surface for sealingly mating with the device panel 3 where the socket 1 is located. The sealing surface is provided with a plug-side sealing groove, in which a second sealing ring 212 is installed. During installation, the sealing surface of the plug housing 204 cooperates with the device panel 3 to squeeze the second sealing ring 212 to achieve a sealed fit. No seal is required between the plug 2 and the socket 1, resulting in better sealing performance.

[0045] The edge of the plug port 213 is provided with a connection hole for fixed connection to the device panel 3 where the socket 1 is located. A fixing screw can be passed through the connection hole to fix the plug housing 204 to the device panel 3 where the socket 1 is located. The advantage of this arrangement is that it is easy to separate the plug 2 from the device panel 3. In the event of a fault inside the connector, the plug 2 can be disconnected from the device panel 3 and then separated from the socket 1 for troubleshooting. Of course, the plug housing 204 and the device panel 3 where the socket 1 is located can also be fixedly connected by other means, such as by bonding.

[0046] Between the plug contact 206's plug-in end, which mates with the receptacle, and the insertion port 213, there is a space for accommodating the outer flange 1020 of the receptacle 1. When the plug 2 is inserted into the receptacle 1, the outer flange 1020 of the receptacle 1 extends into this space, further reducing the installation space required for insertion and facilitating the insertion operation. Furthermore, since the outer flange 1020 of the receptacle 1 extends into the space of the plug 2, the insertion port 213 of the plug housing 204 can completely shield the outer flange 1020 of the receptacle 1, further enhancing the overall protective performance of the connector.

[0047] It is contemplated that in other embodiments, the plug's insertion port may be directly and sealably mated with the outer flange of the socket insulator, with a sealing ring positioned at the mating location. In this case, corresponding connection holes may be provided on the plug's insertion port and the outer flange of the socket insulator to securely connect the plug housing and the outer flange of the socket insulator via screws. In this case, after the plug and socket are mated, the outer flange of the socket insulator remains exposed. In other embodiments, the outer flange's contact surface with the device panel may not include the socket-side sealing groove and the first sealing ring. In this case, sealing may be achieved using the sealing ring between the plug housing and the device panel. Alternatively, a rubber ring may be positioned between the outer circumference of the socket insulator and the wall of the socket mounting hole in the device panel to achieve a seal between the socket insulator and the device panel.

[0048] In this embodiment, the plug 2 is an angled plug, as shown in Figure 13 . The plug port 213 is located at one end of the angled plug, and the other end of the angled plug is a cable outlet 214. The cable outlet direction and the plug-in direction form a 90° angle, which can meet the requirement of a 90° bend in the cable outlet. Of course, in other embodiments, the plug can also be a straight plug, with one end of the straight plug being the plug port and the other end being the cable outlet.

[0049] The plug housing 204 has a cavity within it, within which the plug contact 206 is mounted. A plug insulator 211 is mounted within the plug housing 204 and protrudes from it, forming an insertion portion for insertion into the insertion cavity of the receptacle insulator 102. The plug contact 206 includes a portion located within the insertion portion. The plug-in end of the plug contact 206, which is designed to mate with the receptacle 1, protrudes from the insertion port 213. This plug-in end is designed to be inserted into the insertion cavity of the receptacle insulator 102 and to engage with the receptacle end therein. This ensures that the receptacle insulator 102 does not protrude excessively from the device panel 3, thereby ensuring adequate protection for the receptacle contact 103.

[0050] To minimize the size of the plug housing 204, the plug contact 206 includes a first connector 2061 and a second connector 2062, which are connected at a bend within the plug housing 204. The first and second connectors can be directly plugged together. As shown in FIG14 , the first and second connectors are perpendicular to each other. The first connector 2061 is used to connect cables, and the second connector 2062 is used to plug and mate with receptacle contacts. The second connector 2062 is provided with a spring claw structure 2063, which contacts and conducts with the first connector 2061. The first and second connectors can also be connected by tightening screws. As shown in FIG15 , the first connector 2061 is used to connect cables, and the second connector 2062 is used to plug and mate with receptacle contacts. One end of the second connector 2062 has a bent connection portion, which is fixedly connected to the first connector 2061 by a screw 2064 and a nut 2065. Of course, without considering the size of the plug housing 204 , the plug contact 206 may also be configured as an integrated structure. In this case, there is no need to consider the connection problem of the plug contact 206 , making the plug production more convenient.

[0051] In specific applications, plug 2 can be a two-core plug, as shown in FIG13 . In this case, two cavities can be provided within plug housing 204, with the two cavities insulated and separated. Two plug contacts are respectively installed in the two cavities, and the two plug contacts are respectively connected to two wires. The outlet terminal 214 has two outlets. Of course, plug 2 can also be a three-core plug, as shown in FIG16 . In this case, three cavities can be provided within plug housing 204, with the three cavities insulated and separated. Three plug contacts are respectively installed in the three cavities, and the three plug contacts are respectively connected to three wires. The outlet terminal 214 has three outlets. More cavities can be provided within the plug housing as needed to accommodate more plug contacts.

[0052] Embodiment 2 of the connector assembly of the present invention: As shown in Figures 17-18, the connector assembly includes a socket 1 and a plug 2. The socket 1 has a connecting structure for fixedly connecting to the hole edge of the socket mounting hole on the device panel 3. After the socket 1 is installed on the device panel 3, all parts except the connecting structure are sunk into the interior of the device. The plug 2 has a sealing docking surface for sealingly docking with the device panel 3. After the plug 2 is plugged into the socket 1, the plugging end of the plug extends into the interior of the socket 1 and is plugged into and connected with the socket contact 103. The sealing docking surface of the plug 2 is sealed and docked with the device panel 3 and fastened by screws.

[0053] The structure of the socket can be referred to Figures 19-20. It is a straight socket, and its structure is basically the same as that of the socket in the above embodiment 1, and will not be repeated here.

[0054] The plug is a straight plug, as shown in Figures 21-22. It consists of a plug housing 204, a plug insulator 211, plug contacts 206, an inner shield ring 203, an outer shield ring 209, a wire seal block 208, a wire seal 207, a tail cover 201, and a wire fixing plate 202. The plug housing 204 has a plug port 213 corresponding to the receptacle. The plug housing 204 has a cavity within which the plug contacts 206 are mounted. The plug contacts 206 are secured to the plug insulator 211 by straight retaining springs 215. The other end of the plug is the wire outlet 214.

[0055] The plug insulator 211 is mounted within the plug housing 204 and protrudes from the plug housing 204, forming an insertion portion for insertion into the insertion cavity of the socket insulator 102. The plug insulator 211 and the plug housing 204 are secured by screws, which helps improve shock resistance. The plug contact 206 includes a portion located within the insertion portion. The plug plug end of the plug contact 206, which is used to mate with the socket 1, protrudes from the insertion port 213. The plug plug end is inserted into the insertion cavity of the socket insulator 102 to mate with the socket plug end in the insertion cavity, ensuring that the socket insulator 102 does not protrude too far from the device panel 3, thereby ensuring the protection of the socket contact 103. One end of the socket insulator 102 has a connection structure for fixed connection to the device panel 3. The socket plug end of the socket contact 103 does not extend higher than this connection structure.

[0056] Between the plug contact end of plug contact 206, which is used to mate with receptacle 1, and plug port 213, there is a space for accommodating outer flange 1020 of receptacle 1. When plug 2 is inserted into receptacle 1, outer flange 1020 of receptacle 1 extends into this space, further reducing the installation space required for insertion and facilitating the insertion operation. Furthermore, outer flange 1020 of receptacle 1 extends into the space of plug 2, and plug port 213 of plug housing 204 completely shields outer flange 1020 of receptacle 1, further enhancing the overall protective performance of the connector.

[0057] The plug housing 204's mating port 213, corresponding to the socket, has a sealing surface for sealingly mating with the device panel 3 where the socket 1 is located. The sealing surface is provided with a plug-side sealing groove, within which a second sealing ring 212 is installed. During installation, the sealing surface of the plug housing 204 cooperates with the device panel 3 to squeeze the second sealing ring 212, achieving a sealed fit. No seal is required between the plug 2 and the socket 1, resulting in improved sealing performance. The edge of the mating port 213 is provided with a connection hole for fixed connection to the device panel 3 where the socket 1 is located. Screws can be inserted through the connection hole to secure the plug housing 204 to the device panel 3 where the socket 1 is located. This arrangement facilitates separation of the plug 2 from the device panel 3. In the event of a fault within the connector, the plug 2 can be disconnected from the device panel 3 and then separated from the socket 1 for troubleshooting.

[0058] In this embodiment, the plug is a two-core plug. Two cavities are provided within the plug housing, separated by insulation. Two plug contacts are respectively installed in the two cavities. The two plug contacts are respectively connected to two wires, and the output end has two outlets. Of course, the plug can also be a three-core plug. If needed, more cavities can be provided within the plug housing to accommodate more plug contacts.

[0059] The present invention further provides an embodiment of a socket, the specific structure of which is the same as the structure of the socket in each embodiment of the above-mentioned connector assembly, and will not be repeated here.

[0060] The present invention further provides an embodiment of a plug, the specific structure of which is the same as that of the plug in each embodiment of the above-mentioned connector assembly, and will not be described in detail here.

[0061] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. The scope of patent protection of the present invention shall be based on the claims. Any equivalent structural changes made using the description and drawings of the present invention shall be included in the scope of protection of the present invention.

Claims

1. Socket, comprising a socket insulator and socket contacts fixedly arranged in the socket insulator, characterized in that: One end of the socket insulator has a connecting structure for fixedly connecting to the hole edge of the socket mounting hole on the equipment panel. The end of the socket contact facing the end of the socket insulator where the connecting structure is located constitutes a socket plugging end for plugging with an adapter plug. The socket plugging end is not higher than the connecting structure. The socket insulator has a plugging cavity for inserting the plug contact of the adapter plug and plugging with the socket contact.

2. The socket according to claim 1, characterized in that: The connection structure is a connection flange, which is used to be screwed to the hole edge of the socket installation hole on the equipment panel.

3. The socket according to claim 2, characterized in that: A socket side sealing groove is provided on the contact surface of the connecting flange for contacting the equipment panel, and a first sealing ring for pressing and contacting the equipment panel is provided in the socket side sealing groove.

4. The socket according to any one of claims 1-3, characterized in that: The socket contact is a clip-type contact, and an insertion space for the plug contact of the adapter plug is formed between the two opposing plates of the clip-type contact. The socket insulator is provided with a shielding arm that shields the ends of the two opposing plates facing the plugging side.

5. The socket according to claim 4, wherein: The opposite side surfaces of the shielding arms corresponding to the two opposite sheets are both inclined surfaces to form guiding surfaces for guiding the plug contacts of the adapter plug to enter the insertion space.

6. The socket according to any one of claims 1 to 3, characterized in that: The socket also includes a dust cover which is installed on the socket insulator to cover the cavity opening of the plug cavity during equipment turnover and is removed before the socket is mated with the plug.

7. The socket according to claim 6, characterized in that: The dust cover comprises a cylindrical portion for inserting into the plug-in cavity and a stopping portion for stopping and matching with the end surface of the socket insulator.

8. A plug, comprising a plug housing and plug contacts disposed within the plug housing, characterized in that: The plug housing has a plug-in port corresponding to the adapter socket, and the plug-in end of the plug contact for engaging with the adapter socket protrudes from the plug-in port. The plug-in end is used to be inserted into the plug-in cavity within the connection structure of the adapter socket for fixed connection with the socket mounting hole on the equipment panel, so as to be plugged and connected with the socket plug-in end that is not higher than the connection structure.

9. The plug according to claim 8, characterized in that: The plug-in port has a sealing docking surface for sealingly docking with the equipment panel where the adapter socket is located, and an accommodating space for accommodating the connection structure of the adapter socket is provided between the plug plug-in end and the plug-in port.

10. The plug according to claim 9, characterized in that: A connection hole for fixed connection to the equipment panel where the adapter socket is located is provided on the edge of the plug port.

11. The plug according to claim 8, wherein: The plug is a curved plug, the plugging port is located at one end of the curved plug, and the other end of the curved plug is the outlet end.

12. The plug according to claim 11, characterized in that: The plug contact comprises a first connecting member and a second connecting member, and the first connecting member and the second connecting member are connected at a bending position inside the plug housing.

13. Connector assembly, comprising a socket and a plug, characterized in that: The socket is the socket described in any one of claims 1 to 7, and the plug is the plug described in any one of claims 8 to 12.

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