Coupling device

Abstract

The coupling device comprises a shell, a female seat and a male seat, the female seat is arranged in the shell, the shell is provided with a slot and a through hole communicated with the shell and the slot, the female seat comprises at least one female seat wiring unit, and the female seat wiring unit comprises a female seat external connection assembly used for external wiring and a female seat internal connection piece connected with the female seat external connection assembly. The male seat comprises a male seat wiring unit corresponding to the female seat wiring unit, the male seat wiring unit comprises a male seat external connection assembly used for external wiring and a male seat internal connection piece connected with the male seat external connection assembly, and when the male seat is inserted into the slot of the shell, the female seat internal connection piece / male seat internal connection piece is connected with the male seat internal connection piece / female seat internal connection piece in an inserted mode through the through hole. According to the coupling device, the devices in the shell and the female seat are assembled into a module by being arranged in the shell, the male seat is exposed and is connected with the female seat by being inserted into the shell, the coupling device can play a role of a coupler, and the male seat and the female seat can be used as a relay due to the fact that the male seat and the female seat can be connected with wires, so that application scenes are enriched.

Description

Technical Field

[0001] The utility model relates to the technical field of electrical equipment connection, in particular to a coupling device. Background Art

[0002] The common electrical connection method of existing coupling devices is direct plug-in, that is, plug in - power on, unplug - power off; the plug of the electrical appliance is directly inserted into the socket of the socket with power supply or directly inserted into the coupling device with power supply to achieve the purpose of using electricity. The current coupling device is generally used on household appliances and only plays the role of a coupler. In addition, during the use of the coupling device, the degree of mutual coupling depends on the size of the clamping force between the socket and the pin. In this type of connection, when the socket and the pin are not fully plugged in, there is a risk of insufficient contact, and insufficient contact will cause excessive resistance at the connection, causing the temperature of the coupling to rise sharply, which is prone to fire. Summary of the invention

[0003] The purpose of the utility model is to overcome at least one defect of the prior art and provide a coupling device.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A coupling device comprises a shell, a female socket and a male socket, wherein the female socket is arranged inside the shell, and the shell is provided with a slot for male socket plug-in and a through hole connecting the shell and the slot, the female socket comprises at least one female socket wiring unit, the female socket wiring unit comprises a female socket external connection component for external wiring and a female socket internal connection component connected to the female socket external connection component, the male socket comprises a male socket wiring unit corresponding to the female socket wiring unit, the male socket wiring unit comprises a male socket external connection component for external wiring and a male socket internal connection component connected to the male socket external connection component, and when the male socket is inserted into the slot of the shell, the female socket internal connection component / male socket internal connection component is plugged with the male socket internal connection component / female socket internal connection component through the through hole.

[0006] Optionally, the male seat further includes a buckle, and the shell is further provided with a limiting portion, and after the male seat is inserted into the slot on the shell, the limiting portion limits the buckle in the opposite direction of the male seat insertion direction.

[0007] Optionally, the shell is provided with an avoidance hole corresponding to the buckle on the side wall where the slot is located, and one side wall of the avoidance hole protrudes into the shell to form the limiting part, and the end of the buckle has a protruding buckle part, and after the buckle is inserted into the avoidance hole, the limiting part and the buckle part of the buckle are abutted and cooperated.

[0008] Optionally, one end of the buckle is connected to the male socket shell, and there is a movable gap between the other end of the buckle provided with the buckle portion and the male socket shell, and the end of the buckle protrudes in a direction away from the male socket shell to form the buckle portion.

[0009] Optionally, the internal connector of the female socket is a pin structure / sleeve structure, and the internal connector of the male socket is a sleeve structure / pin structure; the pin structure is a cylinder, and the sleeve structure is a cylinder, and the cylinder has a plug-in channel that cooperates with the pin structure and a movable gap that is axially arranged through the cylinder.

[0010] Optionally, the socket structure is provided with a speaker inlet at one end that is plugged into the pin structure.

[0011] Optionally, the external connection component of the female socket is a terminal structure, including a socket and a connection screw. The socket is connected to the internal connection of the female socket. The socket is provided with a connection screw hole that cooperates with the connection screw and a socket connection hole for external wiring. The socket connection hole is connected to the connection screw. The connection screw is screwed into the connection screw hole to press the wire inserted into the socket connection hole onto the socket.

[0012] Optionally, the female socket also includes a bracket, the bracket is provided with an installation groove corresponding to the female socket external component, the female socket external component is placed in the installation groove, the female socket internal component is a pin structure, the first pin hole on the female socket external component and the second pin hole on the bracket cooperate with the female socket internal component, one end of the female socket internal component is inserted into the second pin hole on the bracket and the first pin hole on the female socket external component so that the female socket external component is limited on the bracket, and the bracket is fixed in the outer shell.

[0013] Optionally, a mounting seat is provided in the shell, the bracket is clamped on the mounting seat, the mounting seat is provided with a first limiting groove, and card interfaces are provided on both sides of the mounting seat. One end of the bracket is clamped into the first limiting groove, and the other end is provided with two opposite card arms, the two card arms are provided with opposite card protrusions, the mounting seat is clamped between the two card arms, and the card protrusion is clamped into the card interface.

[0014] Optionally, the external connection component of the male socket includes a spring piece, a handle, and a conductive part for connecting an external wire, the conductive part is connected to the internal connection part of the male socket, the handle is rotatably arranged to move back and forth between a fixed position and a separated position, and the spring piece is provided with a movable end for fixing the external wire; when the handle is rotated to the separated position, the spring piece is driven to undergo elastic deformation, and a wiring gap for accommodating the external wire is provided between the movable end of the spring piece and the conductive part; when the handle is rotated to the fixed position, the spring piece returns to its original state, and the movable end of the spring piece presses the external wire against the conductive part.

[0015] Optionally, the male socket further includes a male socket shell, the male socket shell includes a socket cover and a socket, the spring piece, the conductive part and the male socket internal connecting part are installed in the second limiting groove of the socket, and the socket is installed in the receiving groove of the socket cover.

[0016] Optionally, the handle includes an operating part for manual operation, a mounting part for rotational mounting, and a driving protrusion for driving the spring sheet to undergo elastic deformation, one end of the mounting part is connected to the operating part, and the other end of the mounting part is connected to the driving protrusion.

[0017] Optionally, the mounting portion includes two mounting plates located on both sides of the spring sheet, the driving protrusion is arranged on the inner side of an end of the mounting plate away from the operating portion, one end of the mounting plate has a separation position abutment surface, a rotating end surface, and a fixed position abutment surface connected in sequence, and the male seat is provided with a rotating groove that rotates with one end of the mounting plate, and the rotating groove has a separation position stop surface that abuts with the separation position abutment surface, a rotation limiting surface that rotationally cooperates with the rotating end surface, and a fixed position stop surface that abuts with the fixed position abutment surface.

[0018] Optionally, a limiting protrusion is provided on the driving protrusion of the handle, and the limiting protrusion is spaced apart from the mounting plate to form a slot for limiting the movement of the handle in the axial direction of the rotating shaft. The side wall of the second limiting slot of the male seat is lower in height at the corresponding end of the handle than in the other end, and a limiting plate is provided on the corresponding end, and the limiting plate of the seat is inserted into the slot of the handle.

[0019] In the coupling device of the utility model, the device in the shell and the female socket are assembled into a module by being installed in the shell, and the male socket is exposed and connected to the female socket by being plugged into the shell, so as to facilitate the operation of external wiring of the male socket, and the male socket external connection component at one end of the male socket can be connected to external wires, and the female socket external connection component at one end of the female socket can also be connected to external wires. It can not only play the role of a coupler, but also can be used as a relay because the male socket and the female socket themselves can be wired, thereby enriching the application scenarios.

[0020] In addition, the connection between the male and female sockets not only relies on the clamping force of the plug-in structure between the male and female internal connectors, but also adds a buckle to firmly fix the male socket on the shell, so that the male and female internal connectors are fully in contact with each other, and the reliability of the electrical connection between the male and female sockets is fully guaranteed. In addition, in order to facilitate disassembly and assembly, the buckle end of the buckle is elastic, and the buckle end can be disengaged by pressing the buckle end, separating the male socket from the shell and then separating the male socket from the female socket.

[0021] In addition, the external wiring structure of the male socket, through the cooperation of the handle and the spring, realizes the rapid assembly of external wires and conductive parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 It is an exploded view of the coupling device of the utility model;

[0023] Figure 2 It is an assembly drawing of the coupling device of the utility model;

[0024] Figure 3 It is an assembly diagram of the coupling device of the utility model without the upper cover;

[0025] Figure 4 It is a view of the coupling device of the utility model;

[0026] Figure 5 This utility model Figure 4 Middle AA section;

[0027] Figure 6 It is an exploded view of the female seat of the utility model;

[0028] Figure 7 It is an assembly drawing of the female seat of the utility model;

[0029] Figure 8 It is a view of the female seat of the utility model;

[0030] Fig. 9 The utility model Figure 8 AA section view in;

[0031] Fig.10 It is a structural schematic diagram of the wiring socket of the utility model;

[0032] Fig.11 It is a three-dimensional diagram of a support of the utility model from one perspective;

[0033] Fig.12 It is a stereoscopic diagram of the bracket of the utility model from another perspective;

[0034] Fig.13 It is a three-dimensional diagram of the lower cover of the utility model from one perspective;

[0035] Fig.14 It is a three-dimensional diagram of the lower cover of the utility model from another perspective;

[0036] Fig.15 It is an exploded view of the male seat of the utility model;

[0037] Fig.16 It is an assembly drawing of the male seat of the utility model;

[0038] Fig.17 It is a view of the male seat of the utility model;

[0039] Fig.18 The utility model Fig.17 AA section view in;

[0040] Fig.19 It is a structural schematic diagram of the seat of the utility model;

[0041] Fig. 20 It is a structural schematic diagram of the handle of the utility model;

[0042] Fig.21 It is a structural schematic diagram of the shrapnel of the utility model;

[0043] Fig. 22 It is a one-view stereogram of the internal connector and the conductive member of the male socket of the utility model;

[0044] Fig.23 It is a three-dimensional diagram of the internal connector of the male socket and the conductive member of the utility model from another perspective;

[0045] Fig.24 It is a structural schematic diagram of the seat cover of the utility model;

[0046] Upper cover 1; female base 2; wiring screw 21; wiring base 22; first pin hole 221; wiring screw hole 222; female base wiring hole 223; bracket 23; clamping protrusion 231; second pin hole 232; mounting slot 233; upright U-shaped block 234; partition 235; horizontal U-shaped block 236; clamping arm 237; female base internal connection part 24; base cover 31; accommodating groove 310; wiring port 311; male base internal connection hole 312; rotation slot 314; separation position stop surface 3141; rotation limiting surface 3142; fixed position stop surface 3143; stop rib 315; square hole 316; sink 317; spring piece 32; fixed end 321; movable end 322; bending protrusion 323; handle 33; operating part 331; clamping slot 332; limiting protrusion 333; drive Movable protrusion 334; mounting plate 335; separation position abutting surface 3351; rotating end surface 3352; fixed position abutting surface 3353; conductive member 34; male socket wiring hole 340; fixing hole 341; blocking step surface 342; connecting platform 344; mounting bent portion 345; seat 35; first buckle 351; second buckle 352; second limiting groove 353; limiting side wall 3531; blocking side wall 3532; limiting plate 3533; bayonet 354; third buckle 355; male socket internal connection part 36; movable gap 361; speaker inlet 362; buckle 37; buckle part 371; reinforcing plate 372; external wire 38; lower cover 4; through hole 41; card interface 42; limiting part 43; slot 44; avoidance hole 45; mounting seat 46; first limiting groove 47. DETAILED DESCRIPTION

[0047] The following is a further description of the specific implementation of the coupling device of the present utility model in conjunction with the embodiments given in the accompanying drawings. The coupling device of the present utility model is not limited to the description of the following embodiments.

[0048] like Figure 1-5As shown, the coupling device of this embodiment can be used for electrical connection, including a housing, a female socket 2 and a male socket 3, the housing including an upper cover 1 and a lower cover 4 that are buckled together, the female socket 2 is arranged in the housing, the housing is provided with a slot 44 for plugging in the male socket 3 and a through hole 41 connecting the housing and the slot 44, the female socket 2 includes at least one female socket wiring unit, the female socket wiring unit includes a female socket external connection component for external wiring and a female socket internal connection component 24 connected to the female socket external connection component, The male socket 3 includes a male socket wiring unit corresponding to the female socket wiring unit, and the male socket wiring unit includes a male socket external connection component for external connection and a male socket internal connection component 36 connected to the male socket external connection component. When the male socket 3 is inserted into the slot 44 of the shell, the female socket internal connection component 24 / male socket internal connection component 36 is plugged with the male socket internal connection component 36 / female socket internal connection component 24 through the through hole 41, that is, the female socket internal connection component 24 is plugged with the male socket internal connection component 36, or the male socket internal connection component 36 is plugged with the female socket internal connection component 24. The coupling device of this embodiment can be used as a coupler or as a relay. When used as a coupler, it can be applied to electrical appliances such as wall switches or sockets. The shell of this embodiment refers to the shell of the electrical appliance. The female socket 2 is integrated into the shell of the electrical appliance as a module and a universal component. The female socket external component of the female socket 2 is connected to the device in the shell of the electrical appliance as a switching device to increase the versatility of the internal wiring structure of the product; when used as a relay, the shell of this embodiment refers to the shell of the female socket 2, so that the female socket 2 can be placed separately at the use location such as a dark box on the wall as a separate whole. The shell is provided with a female socket external connection hole corresponding to the female socket external connection component, which is used for the input and output of the female socket external connection component when external wiring is connected. In the coupling device of this embodiment, the device in the shell and the female socket 2 are assembled into a module by being installed in the shell, and the male socket 3 is exposed and connected to the female socket 2 by being plugged into the shell, so as to facilitate the operation of external wiring of the male socket 3, and the male socket external connection component at one end of the male socket 3 can be connected to external wires, and the female socket external connection component at one end of the female socket 2 can also be connected to external wires. It can not only play the role of a coupler, but also can be used as a relay because the male socket 3 and the female socket 2 themselves can be wired, thereby enriching the application scenarios.

[0049] In the plug-in structure between the female connector 24 and the male connector 36 of this embodiment, the female connector 24 is a pin structure / sleeve structure, and the male connector 36 is a sleeve structure / pin structure; the pin structure is a cylinder, and the sleeve structure is a cylinder, and the cylinder has a plug-in channel that matches the pin structure and a movable gap 361 that runs through the cylinder axially. Preferably, the sleeve structure is provided with a speaker inlet 362 at one end that plugs into the pin structure to facilitate the insertion of the pin structure. Figure 5-7 , Figure 22-23As shown, in this embodiment, the female socket internal connector 24 is a pin structure, and the male socket internal connector 36 is a socket structure, and the female socket internal connector 24 is inserted into the plug-in channel of the male socket internal connector 36. Of course, the pin structure may not be a cylinder, but a sheet or other shape, and the socket structure is provided with a slot of a corresponding shape.

[0050] like Figure 6-10 As shown, the female socket external connection component of this embodiment is a terminal structure, including a terminal block 22 and a terminal screw 21, the terminal block 22 is connected to the female socket internal connection part 24, the terminal block 22 is provided with a terminal screw hole 222 matched with the terminal screw 21 and a female socket wiring hole 223 for external wiring, the female socket wiring hole 223 is connected with the terminal screw 21, and the wire inserted into the female socket wiring hole 223 is pressed on the terminal block 22 by screwing the terminal screw 21 into the terminal screw hole 222. Further, the terminal block 22 is an integrally formed L-shaped structure, one end of which is connected to the female socket internal connection part 24, and the two adjacent sides of the other end are provided with the terminal screw hole 222 and the female socket wiring hole 223. The female socket external connection component can be connected by selecting wires according to actual needs, and for the convenience of operation, the terminal structure is used to fix the external wires through the terminal screw 21.

[0051] like Figure 6-12 As shown, the female socket 2 also includes a bracket 23, and the bracket 23 is provided with a mounting groove 233 corresponding to the female socket external component. The female socket external component is placed in the mounting groove 233, and the first pin hole 221 on the female socket external component and the second pin hole 232 on the bracket 23 cooperate with the female socket internal component 24. One end of the female socket internal component 24 penetrates the second pin hole 232 on the bracket 23 and the first pin hole 221 on the female socket external component so that the female socket external component is limited on the bracket 23. The pin structure of the female socket 2 is fixed to each other by riveting with the first pin hole 221 of the terminal block 22, and the bracket 23 is fixed in the shell. The installation structure of the female socket external component is simple and easy to install. Specifically, the bracket 23 is an integrally formed structure, including an upright U-shaped block 234 and a horizontal U-shaped block 236. The closed end of the horizontal U-shaped block 236 is vertically connected to the two arms of the upright U-shaped block 234. The horizontal U-shaped block 236 has two opposite clamping arms 237. The opening of the upright U-shaped block 234 is provided with an installation groove 233 corresponding to the external component of the female seat, and two adjacent installation grooves 233 are separated by a partition 235.

[0052] like Figure 3-5 and Figure 11-13As shown, the mounting structure of the bracket 23 of this embodiment, the housing is provided with a mounting seat 46, the bracket 23 is clamped on the mounting seat 46, one end of the mounting seat 46 is arranged close to the inner wall of the housing, the other end is provided with a first limiting groove 47, and both sides of the middle of the mounting seat 46 are provided with a clamping interface 42. One end of the bracket 23 is clamped into the first limiting groove 47, and the other end is provided with two opposite clamping arms 237, the two clamping arms 237 are provided with opposite clamping protrusions 231, the middle of the mounting seat 46 is clamped between the two clamping arms 237, and the clamping protrusion 231 is clamped into the clamping interface 42. The mounting structure of the bracket 23 is simple, and the clamping fixing structure is easy to disassemble and install, and the installation is firm.

[0053] like Figure 15-16 As shown, the male socket 3 of this embodiment also includes a male socket shell, and the male socket shell includes a socket cover 31 and a socket 35 that are interlocked. Figure 3 , Figure 5 , Fig.13 and Fig.16 As shown, the male socket 3 also includes a buckle 37, and the housing is also provided with a limit portion 43. After the male socket 3 is inserted into the slot 44 on the housing, the limit portion 43 limits the buckle 37 in the opposite direction of the insertion direction of the male socket 3. The connection between the male socket 3 and the female socket 2 not only relies on the clamping force of the plug-in structure between the male socket internal connector 36 and the female socket internal connector 24, but also adds the buckle 37 to firmly fix the male socket 3 on the housing, so as to achieve the purpose of full contact between the male socket internal connector 36 and the female socket internal connector 24, and fully ensure the reliability of the electrical connection between the male socket 3 and the female socket 2.

[0054] like Figure 3 , Figure 5 , Figure 13-14 and Fig.16 As shown, the housing is provided with an avoidance hole 45 corresponding to the buckle 37 on the side wall where the slot 44 is located, and one side wall of the avoidance hole 45 protrudes into the housing to form the limit portion 43, and the end of the buckle 37 has a protruding buckle 371. After the buckle 37 is inserted into the avoidance hole 45, the limit portion 43 and the buckle 371 of the buckle 37 abut against each other. Preferably, the buckle 37 is an L-shaped structure integrally connected to the seat cover 31 of the male socket shell, one end of the buckle 37 is vertically connected to the seat cover 31 of the male socket shell, and the other end of the buckle 37 provided with the buckle 371 is arranged parallel to the seat cover 31 of the male socket shell, and there is a movable gap between the buckle 37 and the seat cover 31 of the male socket shell, and the end of the buckle 37 protrudes in the direction away from the seat cover 31 to form the buckle 371. At least one triangular reinforcing plate 372 is provided at the connection between the buckle 37 and the seat cover 31. In order to facilitate disassembly and assembly, the end where the buckle portion 371 of the buckle 37 is located is elastic, and the buckle 37 can be disengaged by pressing the end where the buckle portion 371 is located, so as to separate the male socket 3 from the shell and then separate the male socket 3 from the female socket 2.

[0055] like Figure 15-19 As shown, the male socket external connection component of this embodiment is a quick wiring structure, including a spring piece 32, a handle 33, and a conductive member 34 for connecting an external wire 38. The socket cover 31 is provided with a receiving groove 310 for accommodating the conductive member 34. The conductive member 34 is connected to the male socket internal connection member 36. The handle 33 is rotatably mounted on the socket cover 31 and can move back and forth between a fixed position and a separated position. The spring piece 32 is provided with a movable end 322 for fixing the external wire 38. When the handle 33 is rotated to the separated position, the spring piece 32 is driven to undergo elastic deformation, and a wiring gap for accommodating the external wire 38 is provided between the movable end 322 of the spring piece 32 and the conductive member 34; the external wire 38 is inserted into the wiring gap; as shown in FIG. Fig.16 As shown, when the handle 33 is rotated to the fixed position, the spring sheet 32 ​​returns to its original state, and the movable end 322 of the spring sheet 32 ​​presses the external wire 38 against the conductive member 34. The male socket external connection component of this embodiment adopts a rotating handle 33, and the handle 33 switches between the separated position and the fixed position. When the spring sheet 32 ​​is deformed, the external wire 38 can be connected. When the spring sheet 32 ​​recovers its deformation, the external wire 38 is automatically pressed against the conductive member 34. The operation is convenient, the connection and replacement of wires are fast, the efficiency is high, and the construction is conducive; fewer auxiliary tools are required, and there are no special requirements for the operating environment. Of course, the male socket external connection component may not adopt a quick wiring structure.

[0056] Preferably, Fig.18 As shown, in this embodiment, the seat 35 is used to fix the male seat internal connector 36, the conductive member 34 and the spring piece 32 on the seat cover 31, and the seat 35 is provided with a second limiting groove 353 for installing the male seat internal connector 36, the conductive member 34 and the spring piece 32. The spring piece 32, the conductive member 34 and the male seat internal connector 36 are installed in the second limiting groove 353 of the seat 35 in a row in sequence, and the seat 35 is installed in the receiving groove 310 of the seat cover 31.

[0057] like Figure 15-19 and Fig.24As shown, the seat cover 31 has a wiring port 311 for inserting an external wire 38 and a male socket internal connection hole 312 for passing the male socket internal connection part 36. The wiring port 311 and the male socket internal connection hole 312 are relatively arranged at the two ends of the seat cover 31. The spring piece 32 and the handle 33 are located on the end of the seat cover 31 where the wiring port 311 is located, and are used to fix the external wire 38 and the conductive member 34; the conductive member 34 is used to connect the external wire 38, and the conductive member 34 is limited in the second limiting groove 353 of the seat 35. The seat cover 31 is also provided with an installation port, and the seat 35 is clamped in the accommodating groove 310 from the installation port. The external wiring structure of the male socket 3 realizes the rapid assembly of the external wire 38 and the conductive part 34 through the cooperation of the handle 33 and the spring 32. The connection method of the male socket internal connector 36 and the female socket internal connector 24 can adopt the existing technology, or can adopt the technical solution of the cooperation of the handle 33 with the spring 32 and the conductive part 34, that is, the two ends of the male socket 3 are connected to the external wire 38 and the female socket internal connector 24 in the same way. In addition, a separate seat 35 is provided for installing the spring 32 and the conductive part 34. After the spring 32 and the conductive part 34 are installed on the seat 35, they are integrally installed in the seat cover 31 for easy assembly. In particular, a preferred solution is that the male socket internal connection hole 312 is connected to the installation port, and the seat 35 installed with the spring 32, the conductive part 34 and the male socket internal connector 36 is installed into the seat cover 31. The spring piece 32 , the conductive member 34 and the wire 6 are assembled together on the seat 35 , and then the seat 35 is installed in the seat cover 31 .

[0058] like Figure 15-18 As shown in 20-21, one end of the spring sheet 32 ​​of this embodiment is a fixed end 321, and the other end is a movable end 322, and also includes a bent protrusion 323 connected between the fixed end 321 and the movable end 322 of the spring sheet 32, and the bent protrusion 323 is preferably U-shaped. The handle 33 of this embodiment includes an operating portion 331 for manual operation, a mounting portion for rotational mounting, and a driving protrusion 334 for driving the spring sheet 32 ​​to undergo elastic deformation, one end of the mounting portion is connected to the operating portion 331, and the other end of the mounting portion is connected to the driving protrusion 334, and the driving protrusion 334 abuts against the side of the bent protrusion 323 of the spring sheet 32 ​​close to the movable end 322. The driving structure between the handle 33 and the spring sheet 32 ​​is simple and reliable.

[0059] like Figure 15-18 , Fig. 20 , Fig.24As shown, the mounting portion includes two mounting plates 335 located on both sides of the spring sheet 32, the driving protrusion 334 is arranged on the inner side of one end of the mounting plate 335 away from the operating portion 331, one end of the mounting plate 335 has a separation position abutment surface 3351, a rotating end surface 3352, and a fixed position abutment surface 3353 connected in sequence, and the seat cover 31 is provided with a rotating groove 314 that rotates with one end of the mounting plate 335, and the rotating groove 314 has a separation position stop surface 3141 that abuts with the separation position abutment surface 3351, a rotation limiting surface 3142 that rotationally cooperates with the rotating end surface 3352, and a fixed position stop surface 3143 that abuts with the fixed position abutment surface 3353. When the handle 33 is in the separation position, the separation position contact surface 3351 of the handle 33 is in contact with the separation position stop surface 3141 of the seat cover 31. At this time, the handle 33 rotates until the rotation end surface 3352 is parallel to the rotation limiting surface 3142, the spring 32 is in the maximum compression state, and the compressed external wire 38 is just completely separated from the conductive member 34 and can be taken out from the male seat 3; when the rotation end surface 3352 of the handle 33 rotates along the rotation limiting surface 3142 of the seat cover 31 until the handle 33 is in the fixed position, the fixed position contact surface 3353 of the handle 33 is in contact with the fixed position stop surface 3143 of the seat cover 31. The rotation structure of the handle 33 is simple and easy to install. The rotation angle of the handle 33 is limited by the structural design of the rotation slot 314 of the seat cover 31, and the handle 33 can stably stay in the separation position or the fixed position.

[0060] like Fig. 20 and Fig.19 As shown, a limiting protrusion 333 is provided on the driving protrusion 334 of the handle 33, and the limiting protrusion 333 is spaced apart from the mounting plate 335 to form a slot 332 for limiting the movement of the handle 33 in the axial direction of the rotating shaft, and the height of the side wall of the second limiting slot 353 of the seat 35 at the corresponding end of the handle 33 is lower than that at the other end, and a limiting plate 3533 is provided on the corresponding end, and the limiting plate 3533 of the seat 35 is inserted into the slot 332 of the handle 33. The limiting plate 3533 cooperates with the slot 332 to prevent the handle 33 from deflecting when rotating, thereby improving the rotation stability and reliability.

[0061] like Figure 15-19 , Figure 22-23As shown, the male socket internal connector 36 and the conductive member 342 are integrally connected, which simplifies the structure and facilitates installation. Of course, as other embodiments, the male socket internal connector 36 and the conductive member 342 can also be fixedly connected by plugging. The conductive member 342 is preferably a square cylindrical structure, and can also be a circular cylindrical structure or other shapes. The conductive member 342 has a male socket wiring hole 340. Among the two opposite side walls of the conductive member 342, one side wall is fixedly connected to the fixed end 321 of the spring 32, and the other side wall is abutted with the movable end 322 of the spring 32. The two opposite side walls of the male socket wiring hole 340 extend to form a connecting platform 344 and an installation bending portion 345 respectively. The movable end 322 of the spring 32 can abut on the connecting platform 344, and the fixed end 321 of the spring 32 is clamped in the fixing hole 341 on the installation bending portion 345.

[0062] like Fig.19 , Fig.24 As shown, the spring piece 32 and the conductive member 34 are assembled together and then installed into the second limiting groove 353 of the seat 35. The second limiting groove 353 of the seat 35 has two limiting side walls 3531 located on both sides of the conductive member 34 and a blocking side wall 3532 for blocking the spring piece 32. The blocking side wall 3532 is connected between one ends of the two limiting side walls 3531. The conductive member 34 has a blocking step surface 342. The inner side of the limiting side wall 3531 is provided with a third button 355 that abuts and cooperates with the blocking step surface 342. Fig.19 As shown, the spring piece 32 and the conductive member 34 are assembled together and then installed into the second limiting groove 353 of the seat 35. The bent protrusion 323 of the spring piece 32 abuts against the abutting side wall 3532, and the abutting step surface 342 of the conductive member 34 abuts against the third button 355 to prevent the spring piece 32 and the conductive member 34 from jumping out. A first button 351 is provided on the outer side of the limiting side wall 3531, and a bayonet 354 extending along the installation direction of the seat 35 is provided on the limiting side wall 3531. The first button 351 is inserted into the square hole 316 of the seat cover 31, and the stop rib 315 of the seat cover 31 is inserted into the bayonet 354 of the seat 35, which is used to limit the movement of the seat 35 and guide the installation. A second button 352 is provided on the outer side of the abutting side wall 3532 to engage with the sink 317 of the seat cover 31.

[0063] like Figure 15-18As shown, a single handle 33 drives a group of springs 32 to cooperate with a group of conductive members 34. The number of the group of springs 32 and the group of conductive members 34 is the same, including one or more. The single handle 33 has one or more mounting parts. The rotating handle 33 can drive one or more springs 32 at the same time. The male socket external connection component is provided with one or more handles 33, and correspondingly, one or more groups of conductive members 34 and one or more groups of springs 32 are provided. The socket cover 31 has a receiving groove 310 corresponding to the conductive members 34. The single socket 35 fixes the group of conductive members 34 on the socket cover 31. The socket 35 has a second limiting groove 353 corresponding to the receiving groove 310.

[0064] As other embodiments, the male socket internal connector 36 may also be provided with other structures to connect with the female socket internal connector 24, for example, by adopting the existing quick plug-in method, or by adopting the technical solution of the handle 33 of this embodiment cooperating with the spring 32 and the conductive member 34.

[0065] As other embodiments, the female socket external connection component may also be provided with other structures to realize external wiring, for example, also using the existing quick plug-in method, or using the technical solution of the handle 33 of this embodiment cooperating with the spring 32 and the conductive member 34.

[0066] It should be noted that in the description of the present invention, the terms "upper", "lower", "left", "right", "inner", "outer", etc. indicate directions or positional relationships based on directions or positional relationships shown in the drawings, or directions or positional relationships that are usually placed when in use, and are only for the convenience of description, rather than indicating that the device or element referred to must have a specific direction, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first", "second", "third", etc. are only used to distinguish descriptions, and cannot be understood as indicating relative importance.

[0067] The above contents are further detailed descriptions of the present invention in combination with specific preferred implementations, and the specific implementation of the present invention cannot be considered to be limited to these descriptions. For ordinary technicians in the technical field to which the present invention belongs, several simple deductions or substitutions can be made without departing from the concept of the present invention, which should be regarded as falling within the protection scope of the present invention.

Claims

1. A coupling device, comprising a housing, a female socket (2) and a male socket (3), characterized in that: The female socket (2) is arranged in the shell, and the shell is provided with a slot (44) for plugging the male socket (3) and a through hole (41) connecting the shell and the slot (44). The female socket (2) includes at least one female socket wiring unit, and the female socket wiring unit includes a female socket external connection component for external wiring and a female socket internal connection component (24) connected to the female socket external connection component. The male socket (3) includes a male socket wiring unit corresponding to the female socket wiring unit, and the male socket wiring unit includes a male socket external connection component for external wiring and a male socket internal connection component (36) connected to the male socket external connection component. When the male socket (3) is inserted into the slot (44) of the shell, the female socket internal connection component (24) / male socket internal connection component (36) is plugged with the male socket internal connection component (36) / female socket internal connection component (24) through the through hole (41).

2. The coupling device according to claim 1, characterized in that: The male seat (3) also includes a buckle (37), and the shell is also provided with a limiting portion (43). After the male seat (3) is inserted into the slot (44) on the shell, the limiting portion (43) limits the buckle (37) in the opposite direction of the insertion direction of the male seat (3).

3. The coupling device according to claim 2, characterized in that: The housing is provided with an avoidance hole (45) corresponding to the buckle (37) on the side wall where the slot (44) is located; one side wall of the avoidance hole (45) protrudes into the housing to form the limiting portion (43); the end of the buckle (37) has a protruding buckle portion (371); after the buckle (37) is inserted into the avoidance hole (45), the limiting portion (43) and the buckle portion (371) of the buckle (37) are abutted and matched.

4. The coupling device according to claim 2, characterized in that: One end of the buckle (37) is connected to the male socket housing, and the other end of the buckle (37) is provided with a buckle portion (371) and has a movable gap with the male socket housing. The end of the buckle (37) protrudes in a direction away from the male socket housing to form the buckle portion (371).

5. The coupling device according to claim 1, characterized in that: The female socket internal connector (24) is a pin structure / sleeve structure, and the male socket internal connector (36) is a sleeve structure / pin structure; the pin structure is a cylinder, and the sleeve structure is a cylinder, and the cylinder has a plug-in channel that cooperates with the pin structure and a movable gap (361) that is axially arranged through the cylinder.

6. The coupling device according to claim 5, characterized in that: The socket structure is provided with a speaker inlet (362) at one end which is plugged into the pin structure.

7. The coupling device according to claim 1, characterized in that: The female base external connection component is a terminal structure, comprising a terminal block (22) and a terminal screw (21); the terminal block (22) is connected to the female base internal connection component (24); the terminal block (22) is provided with a terminal screw hole (222) matched with the terminal screw (21) and a female base terminal hole (223) for external wiring; the female base terminal hole (223) is connected to the terminal screw (21); the terminal screw (21) is screwed into the terminal screw hole (222) to press the wire inserted into the female base terminal hole (223) onto the terminal block (22).

8. The coupling device according to claim 1, characterized in that: The female socket (2) also includes a bracket (23), the bracket (23) is provided with a mounting groove (233) corresponding to the female socket external component, the female socket external component is placed in the mounting groove (233), the female socket internal component (24) is a pin structure, the first pin hole (221) on the female socket external component and the second pin hole (232) on the bracket (23) cooperate with the female socket internal component (24), one end of the female socket internal component (24) penetrates the second pin hole (232) on the bracket (23) and the first pin hole (221) on the female socket external component so that the female socket external component is limited on the bracket (23), and the bracket (23) is fixed in the shell.

9. The coupling device according to claim 8, characterized in that: A mounting seat (46) is provided in the housing, the bracket (23) is clamped on the mounting seat (46), the mounting seat (46) is provided with a first limiting groove (47), and both sides of the mounting seat (46) are provided with a clamping interface (42), one end of the bracket (23) is clamped into the first limiting groove (47), and the other end is provided with two opposite clamping arms (237), the two clamping arms (237) are provided with opposite clamping protrusions (231), the mounting seat (46) is clamped between the two clamping arms (237), and the clamping protrusion (231) is clamped into the clamping interface (42).

10. The coupling device according to claim 1, characterized in that: The male socket external connection component comprises a spring sheet (32), a handle (33), and a conductive member (34) for connecting an external wire (38); the conductive member (34) is connected to the male socket internal connection member (36); the handle (33) is rotatably arranged to move back and forth between a fixed position and a separated position; the spring sheet (32) is provided with a movable end (322) for fixing the external wire (38); when the handle (33) is rotated to the separated position, the spring sheet (32) is driven to undergo elastic deformation, and a wiring gap for accommodating the external wire (38) is provided between the movable end (322) of the spring sheet (32) and the conductive member (34); when the handle (33) is rotated to the fixed position, the spring sheet (32) returns to its original state, and the movable end (322) of the spring sheet (32) presses the external wire (38) against the conductive member (34).

11. The coupling device according to claim 10, characterized in that: The male socket (3) also includes a male socket shell, which includes a socket cover (31) and a socket (35), the spring piece (32), the conductive member (34) and the male socket internal connecting member (36) are installed in the second limiting groove (353) of the socket (35), and the socket (35) is installed in the receiving groove (310) of the socket cover (31).

12. The coupling device according to claim 10, characterized in that: The handle (33) comprises an operating portion (331) for manual operation, a mounting portion for rotational mounting, and a driving protrusion (334) for driving the spring sheet (32) to undergo elastic deformation, one end of the mounting portion being connected to the operating portion (331), and the other end of the mounting portion being connected to the driving protrusion (334).

13. The coupling device according to claim 12, characterized in that: The mounting portion comprises two mounting plates (335) located on both sides of the spring sheet (32); the driving protrusion (334) is arranged on the inner side of one end of the mounting plate (335) away from the operating portion (331); one end of the mounting plate (335) comprises a separation position abutting surface (3351), a rotating end surface (3352), and a fixed position abutting surface (3353) which are connected in sequence; the male seat (3) is provided with a rotating groove (314) which is rotatably matched with one end of the mounting plate (335); the rotating groove (314) comprises a separation position stop surface (3141) which is abutted against the separation position abutting surface (3351), a rotation limiting surface (3142) which is rotatably matched with the rotating end surface (3352), and a fixed position stop surface (3143) which is abutted against the fixed position abutting surface (3353).

14. The coupling device according to claim 13, characterized in that: A limiting protrusion (333) is provided on the driving protrusion (334) of the handle (33), and the limiting protrusion (333) is spaced apart from the mounting plate (335) to form a clamping groove (332) for limiting the movement of the handle (33) in the axial direction of the rotating shaft. The side wall of the second limiting groove (353) of the male seat (3) is lower in height at the corresponding end of the handle (33) than in height at the other end, and a limiting plate (3533) is provided on the corresponding end, and the limiting plate (3533) is clamped in the clamping groove (332) of the handle (33).

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