CN115911977B

CN115911977B - Electric connector

Info

Publication number: CN115911977B
Application number: CN202211728899.XA
Authority: CN
Inventors: 王旭; 窦笠; 吴晓梅; 陈东旭; 王一丁; 于渤; 郭松峰; 冯迪; 李丙涛
Original assignee: China Tower Co Ltd
Current assignee: China Tower Co Ltd
Priority date: 2022-12-30
Filing date: 2022-12-30
Publication date: 2024-01-26
Anticipated expiration: 2042-12-30
Also published as: CN115911977A

Abstract

The application discloses an electric connector belongs to the technical field of electronic products. The electric connector comprises a plug, a socket and a locking piece, wherein the plug comprises an opposite-plug structure, a slot is formed in the opposite-plug structure, a butt joint groove for the opposite-plug structure to be inserted is formed in one end of the socket, and a butt joint protrusion matched with the slot is formed on the inner wall of one side of the butt joint groove in a protruding mode; the plug comprises a plug body, and is characterized in that a connecting column is arranged on the outer wall of the plug, the locking piece is rotationally connected with the connecting column, a limiting column is arranged on the outer wall of the socket, and the locking piece is abutted with the limiting column to lock the plug and the socket under the condition that the opposite-plug structure is inserted into the opposite-plug groove.

Description

Electric connector

Technical Field

The application belongs to the technical field of electronic products, and particularly relates to an electric connector.

Background

In the interconnection of electronic circuits, electrical connectors are an essential component in the circuit interconnection system, and safety and reliability are important points in the design of electrical connectors.

The current capacity of the existing electric connector is small, the cage-type spring plate structure is integrally adopted, the insulating shell adopts a symmetrical structure, and in the use process, the situation that the anode and the cathode are connected reversely easily occurs, so that elements are damaged, and even the whole equipment is burnt out. Therefore, the existing electrical connector has poor safety performance.

Disclosure of Invention

An objective of the embodiments of the present application is to provide an electrical connector, which can solve the problem of poor safety performance of the existing electrical connector.

The embodiment of the application provides an electric connector, which comprises a plug, a socket and a locking piece, wherein the plug comprises an opposite-plug structure, a slot is formed in the opposite-plug structure, a butt joint groove for the opposite-plug structure to be inserted is formed in one end of the socket, and a butt joint protrusion for being matched with the slot is formed on the inner wall of one side of the butt joint groove in a protruding mode; the plug comprises a plug body, and is characterized in that a connecting column is arranged on the outer wall of the plug, the locking piece is rotationally connected with the connecting column, a limiting column is arranged on the outer wall of the socket, and the locking piece is abutted with the limiting column to lock the plug and the socket under the condition that the opposite-plug structure is inserted into the opposite-plug groove.

Optionally, the opposite-inserting structure comprises an opposite-inserting plate, the opposite-inserting plate is provided with the slot, and the outer wall of the opposite-inserting plate is provided with a plurality of clamping bulges; the inner wall of the butt joint groove is also provided with a plurality of grooves, the number of the clamping protrusions is consistent with that of the grooves, and the clamping protrusions are in one-to-one correspondence with the grooves.

Optionally, the pair of inserting plates includes a first sub pair of inserting plates and a second sub pair of inserting plates, the slot is located between the first sub pair of inserting plates and the second sub pair of inserting plates, the clamping protrusion arranged on the first sub pair of inserting plates is a first clamping protrusion, the clamping protrusion arranged on the second sub pair of inserting plates is a second clamping protrusion, and the sizes of the first clamping protrusion and the second clamping protrusion are different.

Optionally, the locking piece comprises a connecting plate and two side arms arranged at two sides of the connecting plate, and an avoidance space for the plug to pass through is formed between the two side arms; the two side arms are provided with hinge holes, and the side arms are rotatably connected with the connecting column through the hinge holes.

Optionally, one end of the side arm is bent to form an abutting part, and in the case that the opposite-insertion structure is inserted into the abutting groove, the side arm rotates relative to the limiting post so that the abutting part abuts against or is far away from the limiting post.

Optionally, the plug further includes an outer housing, the outer housing is formed with a receiving cavity for receiving the opposite-plug structure, the opposite-plug structure is detachably connected with the outer housing, and the outer housing is provided with the connection post.

Optionally, a first elastic buckle is arranged on one side of the opposite-inserting structure, and a second elastic buckle is arranged on the inner wall of the outer shell; the first elastic buckle comprises a first connecting part and a first clamping part, the first connecting part is connected with the opposite inserting structure, the first clamping part is arranged on one side of the first connecting part, which is away from the opposite inserting structure, and the first clamping part is obliquely arranged in a direction away from the opposite inserting structure; the second elastic buckle comprises a second connecting part and a second clamping part, the second connecting part is connected with the outer shell, the second clamping part and the second connecting part form a clamping groove, and the clamping groove is used for being clamped with the first clamping part.

Optionally, the socket includes a base, a first contact terminal and a second contact terminal, a mounting space is formed in the base, the first contact terminal and the second contact terminal are mounted in the mounting space, the docking slot is formed at one end of the base, and the mounting space is communicated with the docking slot; the first contact terminal and the second contact terminal are used for being electrically connected with the plug, a first through hole is formed in one end, deviating from the plug, of the first contact terminal, a second through hole is formed in one end, deviating from the plug, of the second contact terminal, and the first through hole and the second through hole are used for connecting cables or copper bars.

Optionally, the electrical connector further includes a fixing member, a mounting groove is formed in one side of the socket, the mounting groove is communicated with the mounting space, and the fixing member is inserted into the mounting groove and extends into the mounting space to fix the first contact terminal and the second contact terminal.

Optionally, the first contact terminal includes a bending portion, a fixing groove is formed in the second contact terminal, the bending portion is used for being abutted to one end of the fixing piece, and the fixing groove is used for being clamped with one side of the fixing piece.

In this application embodiment, only under the situation that the butt joint protruding on the butt joint inslot wall inserts in the slot of seting up on the butt joint structure, can make the butt joint structure insert in the butt joint inslot, that is, realize the butt joint of plug and socket. It can be understood that when the plug rotates by a certain angle, the position of the butt joint protrusion on the plug is changed, and the plug and the socket cannot be in butt joint, so that the situation that the plug and the socket are misplaced to cause reverse connection of the anode and the cathode, thereby damaging other components in the circuit and even burning out the whole equipment is avoided, and the safety performance of the electric connector of the embodiment is improved. In addition, when plug and socket butt joint, retaining member and the spacing post butt joint on the socket prevent that plug and socket from taking place not hard up, improved the fastness of plug and socket butt joint, further improved the security performance of the electric connector of this embodiment.

Drawings

Fig. 1 is an assembly schematic diagram of an electrical connector according to an embodiment of the present disclosure;

fig. 2 is an assembly schematic diagram of a plug and a locking member in an electrical connector according to an embodiment of the present disclosure;

fig. 3 is a schematic structural diagram of an opposite-plug structure in the electrical connector according to the embodiment of the present application;

fig. 4 is a schematic structural diagram of a socket in an electrical connector according to an embodiment of the present disclosure;

FIG. 5 is a second schematic diagram of a receptacle in an electrical connector according to an embodiment of the present disclosure;

fig. 6 is a schematic structural view of a locking member in an electrical connector according to an embodiment of the present disclosure;

fig. 7 is a schematic structural diagram of an outer housing in an electrical connector according to an embodiment of the present disclosure;

fig. 8 is a schematic structural diagram of a first contact terminal in an electrical connector according to an embodiment of the present application;

fig. 9 is a schematic structural view of a second contact terminal in the electrical connector according to the embodiment of the present application;

fig. 10 is an assembly schematic diagram of a fixing member, a first contact terminal and a second contact terminal in the electrical connector according to the embodiment of the present application.

Reference numerals illustrate:

11. an outer housing; 111. a receiving chamber; 112. the second elastic buckle; 113. a connecting column; 114. a connecting thread; 12. an opposite-plug structure; 121. a main body; 1211. a slot; 1212. a first sub-pair board; 1213. a first clamping protrusion; 1215. a second sub-pair board; 1216. a second clamping protrusion; 1219. a first elastic buckle; 122. a wrench; 13. a locking member; 131. a side arm; 132. an abutting portion; 133. a connecting plate; 14. a tail end nut; 21. a base; 211. a butt joint groove; 212. butt joint bulges; 213. a first groove; 215. a second groove; 218. a mounting groove; 22. a first contact terminal; 222. a first through hole; 223. a bending part; 23. a second contact terminal; 232. a second through hole; 233. a fixing groove; 24. a fixing member; 25. and a limit column.

Detailed Description

Technical solutions in the embodiments of the present application will be clearly described below with reference to the drawings in the embodiments of the present application, and it is apparent that the described embodiments are some embodiments of the present application, but not all embodiments. All other embodiments obtained by a person of ordinary skill in the art based on the embodiments in the present application are within the scope of the protection of the present application.

The embodiment of the application provides an electric connector, and the electric connector is described in detail below with reference to the accompanying drawings.

Referring to fig. 1 to 10, the electrical connector includes a plug, a socket and a locking member 13, wherein the plug includes an opposite-plug structure 12, a slot 1211 is formed on the opposite-plug structure 12, a docking slot 211 for inserting the opposite-plug structure 12 is formed at one end of the socket, and a docking protrusion 212 for being matched with the slot 1211 is formed on an inner wall of one side of the docking slot 211 in a protruding manner; the outer wall of the plug is provided with a connecting column 113, the locking piece 13 is rotationally connected with the connecting column 113, the outer wall of the socket is provided with a limiting column 25, and under the condition that the opposite-plug structure 12 is inserted into the opposite-plug groove 211, the locking piece 13 is abutted with the limiting column 25 to lock the plug and the socket.

Referring to fig. 3, the slot 1211 is disposed in the middle of the docking structure 12, and only when the docking protrusion 212 on the inner wall of the docking slot 211 is inserted into the slot 1211 disposed on the docking structure 12, the docking structure 12 can be inserted into the docking slot 211, i.e. the docking of the plug and the socket can be achieved. It can be understood that when the plug rotates by a certain angle, such as 180 °, the position of the butt-joint protrusion 212 on the plug is changed, so that the plug and the socket cannot be in butt joint, and the situation that the plug and the socket are misplaced to cause reverse connection of the anode and the cathode, thereby damaging other components in the circuit and even burning the whole device is avoided, thereby improving the safety performance of the electric connector of the embodiment. In addition, when the plug is in butt joint with the socket, the locking piece 13 is in butt joint with the limit post 25 on the socket, so that the plug and the socket are prevented from loosening, the butt joint firmness of the plug and the socket is improved, and the safety performance of the electric connector of the embodiment is further improved.

Optionally, the opposite-inserting structure 12 includes an opposite-inserting plate, on which an inserting slot 1211 is formed, and on the outer wall of the opposite-inserting plate, a plurality of clamping protrusions are arranged; the inner wall of the butt joint groove 211 is also provided with a plurality of grooves, the number of the clamping protrusions is consistent with that of the grooves, and the clamping protrusions are in one-to-one correspondence with the grooves.

As shown in fig. 3, the opposite-inserting structure 12 includes a main body 121 and an opposite-inserting plate disposed at one end of the main body 121, a slot 1211 is provided at a middle position of the opposite-inserting plate, and a plurality of clamping protrusions are disposed on an outer wall of the opposite-inserting plate. As shown in fig. 5, a plurality of grooves are formed on the groove walls on the upper side and the lower side of the docking groove 211, and the grooves and the clamping protrusions are consistent in number and correspond to each other one by one. It can be appreciated that when the plug is docked with the socket, in addition to the docking protrusions 212 being correspondingly inserted into the slots 1211, each of the clamping protrusions is also required to be inserted into the corresponding grooves, so as to further prevent the situation of misplug of the plug and the socket, and improve the safety performance of the electrical connector of the present embodiment.

Optionally, the mating boards include a first sub-mating board 1212 and a second sub-mating board 1215, the slot 1211 is located between the first sub-mating board 1212 and the second sub-mating board 1215, the clamping protrusion disposed on the first sub-mating board 1212 is a first clamping protrusion 1213, the clamping protrusion disposed on the second sub-mating board 1215 is a second clamping protrusion 1216, and the sizes of the first clamping protrusion 1213 and the second clamping protrusion 1216 are different.

Referring further to fig. 3, the docking boards include a first sub-docking board 1212 and a second sub-docking board 1215, and a slot 1211 is formed between the first sub-docking board 1212 and the second sub-docking board 1215. The first sub-pair of insert plates 1212 are provided with first snap-in protrusions 1213 on the upper and lower outer walls thereof, and the second sub-pair of insert plates 1215 are provided with second snap-in protrusions 1216 on the upper and lower outer walls thereof, the first and second snap-in protrusions 1213 and 1216 being different in size. It should be noted that, referring to fig. 5, since the number of the engaging protrusions and the number of the grooves are consistent and correspond to each other, the grooves on both sides of the docking protrusion 212 are a first groove 213 and a second groove 215, respectively, the size of the first groove 213 is adapted to the size of the first engaging protrusion 1213, the size of the second groove 215 is adapted to the size of the second engaging protrusion 1216, and the sizes of the first groove 213 and the second groove 215 are different. Because the first and second engaging protrusions 1213 and 1216 have different sizes, the first engaging protrusion 1213 must be inserted into the corresponding first recess 213 and the second engaging protrusion 1216 must be inserted into the corresponding second recess 215 during the process of mating the plug and the receptacle, thereby further preventing the plug from being erroneously inserted into the receptacle and improving the safety performance of the electrical connector.

Optionally, the locking member 13 includes a connecting plate 133 and two side arms 131 disposed on two sides of the connecting plate 133, and an avoidance space for passing a plug is formed between the two side arms 131; both side arms 131 are provided with hinge holes, and the side arms 131 are rotatably connected with the connecting post 113 through the hinge holes.

As shown in fig. 6, the locking member 13 includes two side arms 131 and a connecting plate 133 for connecting the two side arms 131, and the side arms 131 are provided with hinge holes for being in a rotating fit with the connecting posts 113 on the outer wall of the plug. As shown in fig. 1 and 2, an avoidance space through which the plug passes is formed between the two side arms 131, and the side arms 131 rotate relative to the connecting post 113, so that the connecting plate 133 is far away from or attached to the outer wall of the plug, and due to the existence of the avoidance space, the locking member 13 can lock the plug and the socket, that is, improve the safety performance, and simultaneously ensure that the occupied space of the electrical connector of the embodiment is as small as possible.

Optionally, one end of the side arm 131 is bent to form an abutment 132, and when the inserting structure 12 is inserted into the docking slot 211, the side arm 131 rotates relative to the limit post 25 to make the abutment 132 abut against the limit post 25 or be away from the limit post 25.

Referring to fig. 6, the left end of the side arm 131 is bent upward to form an abutment portion 132, and the right side of the abutment portion 132 is used for abutting against the limiting post 25. As shown in fig. 1, when the limiting post 25 abuts against the abutting portion 132, the plug and the socket are prevented from being separated, so that the plug and the socket are more firmly abutted, the safety performance of the electric connector of the embodiment is improved, and the locking member 13 is simple in structure and convenient to produce.

The plug further comprises an outer shell 11, the outer shell 11 is provided with a containing cavity for containing the opposite plug structure 12, the opposite plug structure 12 is detachably connected with the outer shell 11, and the outer shell 11 is provided with a connecting column 113.

Referring to fig. 2, 3 and 7, the outer casing 11 serves to protect the opposite-inserting structure 12, and since the opposite-inserting structure 12 is detachably connected with the outer casing 11, when the opposite-inserting structure 12 is worn, the opposite-inserting structure 12 is taken out from the outer casing 11, so that the operation is simple, convenient and quick. In addition, as shown in fig. 3, a wrench 122 is further disposed on the opposite-inserting structure 12, and the wrench 122 is used for locking the cable installed at the tail end of the opposite-inserting structure 12, so that the structure is more compact and attractive.

In addition, as shown in fig. 2 and 7, the tail end of the outer housing 11 is further provided with a tail end nut 14, and the tail end nut 14 is mounted on the tail end of the outer housing 11 through a connecting thread 114 for connecting the tail end of the outer housing 11 to a cable.

Optionally, a first elastic buckle 1219 is provided on one side of the opposite-plug structure 12, and a second elastic buckle 112 is provided on the inner wall of the outer housing 11; the first elastic buckle 1219 comprises a first connecting portion and a first clamping portion, the first connecting portion is connected with the opposite-inserting structure 12, the first clamping portion is arranged on one side of the first connecting portion, which is away from the opposite-inserting structure 12, and the first clamping portion is obliquely arranged in a direction away from the opposite-inserting structure 12; the second elastic buckle 112 includes a second connection portion and a second clamping portion, the second connection portion is connected with the outer shell 11, the second clamping portion and the second connection portion form a clamping groove, and the clamping groove is used for clamping with the first clamping portion.

As shown in fig. 3 and 7, the inserting structure 12 includes a main body 121, and a first elastic buckle 1219 is provided at one side of the main body 121. When the opposite-plug structure 12 is installed in the outer shell 11, the opposite-plug structure 12 moves into the accommodating cavity 111, and meanwhile, the first clamping part of the first elastic buckle 1219 presses the second clamping part on the second elastic buckle 112, so that the second clamping part bends towards the direction of the second connecting part, the opposite-plug structure 12 enters the accommodating cavity 111, after the first clamping part does not press the second clamping part any more, the second clamping part is restored, and the first clamping part is clamped into a clamping groove formed by the second clamping part and the second connecting part. The first elastic buckle 1219 and the second elastic buckle 112 are used for realizing detachable connection of the inserting structure 12 and the outer shell 11, so that the structure is simple, and the operation is convenient.

Optionally, the socket includes a base 21, a first contact terminal 22 and a second contact terminal 23, an installation space is formed in the base 21, the first contact terminal 22 and the second contact terminal 23 are installed in the installation space, a docking slot 211 is formed at one end of the base 21, and the installation space is communicated with the docking slot 211; the first contact terminal 22 and the second contact terminal 23 are used for being electrically connected with the plug, the first through hole 222 is formed in one end, facing away from the plug, of the first contact terminal 22, the second through hole 232 is formed in one end, facing away from the plug, of the second contact terminal 23, and the first through hole 222 and the second through hole 232 are used for connecting cables or copper bars.

As shown in fig. 4, the first contact terminal 22 and the first contact terminal 22 are installed in the installation space of the base 21, the base 21 is provided with a docking slot 211 for inserting the docking structure 12, and the docking slot 211 is communicated with the installation space, so that when the docking structure 12 is inserted into the docking slot 211, the first contact terminal 22 and the second contact terminal 23 can be electrically connected with the contact layer in the plug. Further, as shown in fig. 8 and 9, the first contact terminal 22 and the second contact terminal 23 are respectively provided with a first through hole 222 and a second through hole 232, and the first through hole 222 and the second through hole 232 are used for connecting a cable or a copper bar so that the electrical connector of the present embodiment communicates with an electrical power system.

Optionally, the electrical connector further includes a fixing member 24, a mounting groove 218 is formed on one side of the socket, the mounting groove 218 is in communication with the mounting space, and the fixing member 24 is configured to be inserted into the mounting groove 218 and extend into the mounting space to fix the first contact terminal 22 and the second contact terminal 23.

Referring to fig. 4, 5 and 10, the outer wall of the socket is provided with a mounting groove 218, and the fixing member 24 is slidably inserted into or withdrawn from the mounting groove 218, when the fixing member 24 is inserted into the mounting groove 218, one end of the fixing member 24 extends into the mounting space and abuts against the first contact terminal 22 and the second contact terminal 23, so as to limit movement of the first contact terminal 22 and the second contact terminal 23, thereby improving structural stability of the electrical connector of the present embodiment.

Optionally, the first contact terminal 22 includes a bending portion 223, the second contact terminal 23 is provided with a fixing groove 233, the bending portion 223 is used for abutting against one end of the fixing member 24, and the fixing groove 233 is used for clamping one side of the fixing member 24.

Referring to fig. 8 to 10, when the fixing member 24 extends into the installation space, the lower end of the fixing member 24 abuts against the bent portion 223 of the first contact terminal 22 to prevent the first contact terminal 22 from moving, and one side of the fixing member 24 is engaged with the fixing groove 233 of the second contact terminal 23 to prevent the second contact terminal 23 from moving, so that the structural stability of the electrical connector of the embodiment is further improved.

The foregoing is merely specific embodiments of the present application, but the scope of the present application is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the present application, and the changes or substitutions are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. The electric connector is characterized by comprising a plug, a socket and a locking piece, wherein the plug comprises an opposite-plug structure, a slot is formed in the opposite-plug structure, a butt joint groove for the opposite-plug structure to be inserted is formed in one end of the socket, and a butt joint protrusion for being matched with the slot is formed on the inner wall of one side of the butt joint groove in a protruding mode; the outer wall of the plug is provided with a connecting column, the locking piece is rotationally connected with the connecting column, the outer wall of the socket is provided with a limiting column, and the locking piece is abutted with the limiting column to lock the plug and the socket under the condition that the opposite-plug structure is inserted into the opposite-plug groove;

the opposite-inserting structure comprises an opposite-inserting plate, the opposite-inserting plate is provided with the slots, and the outer wall of the opposite-inserting plate is provided with a plurality of clamping bulges; the inner wall of the butt joint groove is also provided with a plurality of grooves, the number of the clamping protrusions is consistent with that of the grooves, and the clamping protrusions are in one-to-one correspondence with the grooves;

the inserting plates comprise a first sub-pair inserting plate and a second sub-pair inserting plate, the inserting grooves are positioned between the first sub-pair inserting plate and the second sub-pair inserting plate, the clamping protrusions arranged on the first sub-pair inserting plate are first clamping protrusions, the clamping protrusions arranged on the second sub-pair inserting plate are second clamping protrusions, and the sizes of the first clamping protrusions and the second clamping protrusions are different;

the plug further comprises an outer shell, wherein an accommodating cavity for accommodating the opposite-plug structure is formed in the outer shell, the opposite-plug structure is detachably connected with the outer shell, and the connecting column is arranged on the outer shell;

a first elastic buckle is arranged on one side of the opposite-inserting structure, and a second elastic buckle is arranged on the inner wall of the outer shell; the first elastic buckle comprises a first connecting part and a first clamping part, the first connecting part is connected with the opposite inserting structure, the first clamping part is arranged on one side of the first connecting part, which is away from the opposite inserting structure, and the first clamping part is obliquely arranged in a direction away from the opposite inserting structure; the second elastic buckle comprises a second connecting part and a second clamping part, the second connecting part is connected with the outer shell, the second clamping part and the second connecting part form a clamping groove, and the clamping groove is used for being clamped with the first clamping part.

2. The electrical connector of claim 1, wherein the locking member comprises a connecting plate and two side arms disposed on both sides of the connecting plate, wherein a space for passing the plug is formed between the two side arms; the two side arms are provided with hinge holes, and the side arms are rotatably connected with the connecting column through the hinge holes.

3. The electrical connector of claim 2, wherein one end of the side arm is bent to form an abutment, and the side arm rotates relative to the limit post to abut the abutment with or away from the limit post when the mating structure is inserted into the mating groove.

4. The electrical connector of any one of claims 1 to 3, wherein the receptacle includes a base, a first contact terminal and a second contact terminal, a mounting space is formed in the base, the first contact terminal and the second contact terminal are mounted in the mounting space, the mating groove is formed at one end of the base, and the mounting space communicates with the mating groove; the first contact terminal and the second contact terminal are used for being electrically connected with the plug, a first through hole is formed in one end, deviating from the plug, of the first contact terminal, a second through hole is formed in one end, deviating from the plug, of the second contact terminal, and the first through hole and the second through hole are used for connecting cables or copper bars.

5. The electrical connector of claim 4, further comprising a fixing member, wherein a mounting groove is formed in one side of the receptacle, the mounting groove communicates with the mounting space, and the fixing member is configured to be inserted into the mounting groove and extend into the mounting space to fix the first contact terminal and the second contact terminal.

6. The electrical connector of claim 5, wherein the first contact terminal includes a bent portion, the second contact terminal has a fixing groove formed thereon, the bent portion is configured to abut against one end of the fixing member, and the fixing groove is configured to be clamped with one side of the fixing member.