CN115911977A

CN115911977A - Electrical connector

Info

Publication number: CN115911977A
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: 2023-04-04
Anticipated expiration: 2042-12-30
Also published as: CN115911977B

Abstract

The application discloses electric connector belongs to electronic product technical field. The electric connector comprises a plug, a socket and a locking piece, wherein the plug comprises an opposite insertion structure, a slot is formed in the opposite insertion structure, an opposite connection groove for the opposite insertion structure to be inserted is formed in one end of the socket, and an opposite connection bulge matched with the slot is formed on the inner wall of one side of the opposite connection groove in a protruding mode; be equipped with the spliced pole on the outer wall of plug, the retaining member with the spliced pole rotates to be connected, be equipped with spacing post on the outer wall of socket insert to inserting the structure insert under the condition of butt joint groove, the retaining member with spacing post butt is in order to lock plug and socket.

Description

Electrical 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, an electrical connector is an essential component in a circuit interconnection system, and safety and reliability are important points of the design of the electrical connector.

The conventional electric connector has small through-current capacity, a cage-type elastic sheet structure is integrally adopted, an insulating shell adopts a symmetrical structure, and the condition that the positive electrode and the negative electrode are reversely connected is easy to occur in the use process, so that the elements are damaged, and even the whole equipment is burnt out. Therefore, the safety performance of the existing electrical connector is poor.

Disclosure of Invention

The embodiment of the application aims to provide an electric connector, which can solve the problem that the safety performance of the existing electric connector is poor.

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-insertion structure, the opposite-insertion structure is provided with a slot, one end of the socket is provided with a butt-joint slot for the opposite-insertion structure to be inserted into, and a butt-joint bulge matched with the slot is formed on the inner wall of one side of the butt-joint slot in a protruding manner; be equipped with the spliced pole on the outer wall of plug, the retaining member with the spliced pole rotates to be connected, be equipped with spacing post on the outer wall of socket insert to inserting the structure insert under the condition of butt joint groove, the retaining member with spacing post butt is in order to lock plug and socket.

Optionally, the opposite-insertion structure comprises an opposite-insertion plate, the opposite-insertion plate is provided with the slot, and the outer wall of the opposite-insertion plate is provided with a plurality of clamping protrusions; still seted up a plurality of recesses on the inner wall in butt joint groove, the bellied quantity of joint with the quantity of recess is unanimous, and is a plurality of the joint is protruding and a plurality of the recess one-to-one.

Optionally, the pair of plugboards includes first sub-pair of plugboard and second sub-pair of plugboard, the slot is located first sub-pair of plugboard with between the second sub-pair of plugboard, set up in first sub-to plugboard on the joint arch is first joint arch, set up in on the second sub-to plugboard the joint arch is the second joint arch, first joint arch with the bellied size of second joint is different.

Optionally, the locking member 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; two the hinge hole has all been seted up to the side arm, the side arm pass through the hinge hole with the spliced pole rotates to be connected.

Optionally, one end of the side arm is bent to form an abutting portion, and when the insertion structure is inserted into the abutting groove, the side arm rotates relative to the limiting post to abut against or separate from the limiting post.

Optionally, the plug further includes an outer casing, the outer casing is formed with a cavity that holds that is used for holding the opposite insertion structure, the opposite insertion structure with the outer casing can be dismantled and be connected, be provided with on the outer casing the spliced pole.

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

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 mating slot is formed at one end of the base, and the mounting space is communicated with the mating 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 being connected with a cable or a copper bar.

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 used for being inserted into the mounting groove and extending into the mounting space to fix the first contact terminal and the second contact terminal.

Optionally, the first contact terminal comprises a bending part, the second contact terminal is provided with a fixing groove, the bending part is abutted to one end of the fixing part, and the fixing groove is clamped to one side of the fixing part.

In the embodiment of the application, only when the butt joint protrusion on the inner wall of the butt joint groove is inserted into the slot formed in the butt joint structure, the butt joint structure can be inserted into the butt joint groove, namely, the butt joint of the plug and the socket is realized. It can be understood that, after the plug rotates by a certain angle, the position of the butt joint protrusion on the plug changes, and the plug and the socket cannot be in butt joint, so that the situation that the positive electrode and the negative electrode are reversely connected due to the fact that the plug and the socket are plugged by mistake is avoided, other components in a circuit are damaged, even the whole device is burned out, and the safety performance of the electric connector of the embodiment is improved. In addition, when plug and socket butt joint, the spacing post butt on retaining member and the socket prevents that plug and socket from taking place not hard up, has improved the fastness of plug and socket butt joint, has further improved the electric connector's of this embodiment security performance.

Drawings

Fig. 1 is an assembly view of an electrical connector provided in an embodiment of the present application;

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

fig. 3 is a schematic structural diagram of a mating structure in an electrical connector according to an embodiment of the present disclosure;

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 structural diagram of a socket in the electrical connector according to the embodiment of the present application;

fig. 6 is a schematic structural diagram 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 disclosure;

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

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

Description of reference numerals:

11. an outer housing; 111. an accommodating cavity; 112. a second elastic buckle; 113. connecting columns; 114. connecting threads; 12. a plug-in structure; 121. a main body; 1211. a slot; 1212. a first sub-pair of insertion plates; 1213. a first clamping protrusion; 1215. a second sub-patch 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. butting the bulges; 213. a first groove; 215. a second groove; 218. mounting grooves; 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. fixing grooves; 24. a fixing member; 25. a limiting post.

Detailed Description

The technical solutions in the embodiments of the present application will be described below clearly with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.

The present invention provides an electrical connector, which 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, the plug includes an opposite insertion structure 12, the opposite insertion structure 12 is provided with a slot 1211, one end of the socket is provided with a docking slot 211 for the opposite insertion structure 12 to be inserted into, and a docking protrusion 212 for being engaged with the slot 1211 is formed protruding on an inner wall of one side of the docking slot 211; be equipped with spliced pole 113 on the outer wall of plug, retaining member 13 rotates with spliced pole 113 to be connected, is equipped with spacing post 25 on the outer wall of socket, and under the condition that inserts butt joint groove 211 to inserting structure 12, retaining member 13 and spacing post 25 butt are with locking plug and socket.

Referring to fig. 3, the slot 1211 is disposed at the middle position of the mating structure 12, and only when the mating protrusion 212 on the inner wall of the mating groove 211 is inserted into the slot 1211 disposed on the mating structure 12, the mating structure 12 can be inserted into the mating groove 211, that is, the plug and the socket are mated. It can be understood that, after the plug rotates by a certain angle, for example, 180 °, the position of the abutting protrusion 212 on the plug changes, and the plug and the socket cannot be abutted, so that the situation that the positive electrode and the negative electrode are reversely connected due to the erroneous insertion of the plug and the socket, which damages other components in the circuit and even burns out the whole device, is avoided, and the safety performance of the electrical connector of this embodiment is improved. In addition, when the plug docks with the socket, retaining member 13 prevents that plug and socket from taking place not hard up with the spacing post 25 butt on the socket, has improved the fastness of plug and socket butt joint, has further improved the electric connector's of this embodiment security performance.

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

As shown in fig. 3, the opposite insertion structure 12 includes a main body 121 and an opposite insertion plate disposed at one end of the main body 121, wherein a slot 1211 is disposed at a middle position of the opposite insertion plate, and a plurality of clamping protrusions are disposed on an outer wall of the opposite insertion plate. As shown in fig. 5, the upper and lower walls of the docking slot 211 are provided with a plurality of grooves, and the grooves and the latching protrusions are consistent and in one-to-one correspondence. It can be understood that when the plug is mated with the socket, in addition to the mating protrusions 212 that need to be inserted into the slots 1211 correspondingly, each clamping protrusion also needs to be inserted into a corresponding groove, so as to further prevent the plug from being inserted into the socket by mistake, which improves the safety performance of the electrical connector of this embodiment.

Optionally, the opposite insertion board includes a first sub opposite insertion board 1212 and a second sub opposite insertion board 1215, the slot 1211 is located between the first sub opposite insertion board 1212 and the second sub opposite insertion board 1215, the clamping protrusion disposed on the first sub opposite insertion board 1212 is a first clamping protrusion 1213, the clamping protrusion disposed on the second sub opposite insertion board 1215 is a second clamping protrusion 1216, and the first clamping protrusion 1213 and the second clamping protrusion 1216 have different sizes.

Referring further to fig. 3, the opposite insertion board includes a first sub-opposite insertion board 1212 and a second sub-opposite insertion board 1215, and a slot 1211 is formed between the first sub-opposite insertion board 1212 and the second sub-opposite insertion board 1215. The outer walls of the upper and lower sides of the first sub-inserting plate 1212 are provided with first clamping protrusions 1213, the outer walls of the upper and lower sides of the second sub-inserting plate 1215 are provided with second clamping protrusions 1216, and the first clamping protrusions 1213 and the second clamping protrusions 1216 have different sizes. It should be noted that, referring to fig. 5, since the numbers of the clamping protrusions and the grooves are consistent and are in one-to-one correspondence, the grooves on the two sides of the docking protrusion 212 are the first groove 213 and the second groove 215, the size of the first groove 213 is adapted to the size of the first clamping protrusion 1213, the size of the second groove 215 is adapted to the size of the second clamping protrusion 1216, and the sizes of the first groove 213 and the second groove 215 are different. Because the first clamping protrusions 1213 and the second clamping protrusions 1216 have different sizes, the first clamping protrusions 1213 and the second clamping protrusions 1216 must be inserted into the corresponding first grooves 213 and the corresponding second grooves 215 during the mating process of the plug and the socket, so that the plug and the socket are further prevented from being mistakenly inserted, and the safety performance of the electrical connector is improved.

Optionally, the locking member 13 includes a connecting plate 133 and two side arms 131 disposed at two sides of the connecting plate 133, and an avoidance space for the plug to pass through is formed between the two side arms 131; hinge holes are formed in the two side arms 131, and the side arms 131 are rotatably connected with the connecting column 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 rotatably matching with the connecting column 113 on the outer wall of the plug. As shown in fig. 1 and 2, an avoiding space for the plug to pass through is formed between the two side arms 131, the side arms 131 rotate relative to the connecting column 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 avoiding space, the locking member 13 locks the plug and the socket, that is, the safety performance is improved, and meanwhile, the occupied space of the electrical connector of the embodiment is ensured to be as small as possible.

Alternatively, one end of the side arm 131 is bent to form the abutting portion 132, and when the opposite insertion structure 12 is inserted into the opposite insertion groove 211, the side arm 131 is rotated relative to the position-limiting post 25 to make the abutting portion 132 abut against the position-limiting post 25 or separate from the position-limiting post 25.

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

The plug still includes shell body 11, and shell body 11 is formed with the chamber that holds that is used for holding butt-plug structure 12, and butt-plug structure 12 can dismantle with shell body 11 and be connected, is provided with spliced pole 113 on the shell body 11.

With further reference to fig. 2, fig. 3 and fig. 7, the outer shell 11 protects the opposite insertion structure 12, and since the opposite insertion structure 12 is detachably connected with the outer shell 11, when the opposite insertion structure 12 is worn, the opposite insertion structure 12 is taken out of the outer shell 11, so that the operation is simple, convenient and fast. In addition, as shown in fig. 3, a wrench 122 is further disposed on the opposite insertion structure 12, and the wrench 122 is used for locking a cable loaded into the tail end of the opposite insertion structure 12, so that the structure is more compact and beautiful.

In addition, as shown in fig. 2 and 7, the tail end of the outer shell 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 shell 11 through a connecting thread 114, and is used for connecting a cable at the tail end of the outer shell 11.

Optionally, a first elastic buckle 1219 is disposed on one side of the opposite insertion structure 12, and a second elastic buckle 112 is disposed on the inner wall of the outer casing 11; the first elastic buckle 1219 includes a first connecting portion and a first clamping portion, the first connecting portion is connected to the opposite insertion structure 12, the first clamping portion is disposed on a side of the first connecting portion away from the opposite insertion structure 12, and the first clamping portion is disposed in an inclined manner in a direction away from the opposite insertion structure 12; the second elastic buckle 112 includes a second connecting portion and a second clamping portion, the second connecting portion is connected to the outer housing 11, the second clamping portion and the second connecting portion form a clamping groove, and the clamping groove is used for being clamped with the first clamping portion.

As shown in fig. 3 and 7, the opposite insertion structure 12 includes a body 121, and a first elastic catch 1219 is provided at one side of the body 121. When inserting structure 12 and installing in shell body 11, when inserting structure 12 removes in to holding chamber 111, the second joint portion on the first joint portion extrusion second elasticity buckle 112 of first elasticity buckle 1219 for second joint portion is buckled towards the direction of second connecting portion, so that get into holding chamber 111 to inserting structure 12 in, after first joint portion no longer extrudees second joint portion, second joint portion recovers, first joint portion card goes into the joint inslot that second joint portion and second connecting portion formed. The first elastic buckle 1219 and the second elastic buckle 112 are used for realizing the detachable connection of the plug-in structure 12 and the outer shell 11, and 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, a mounting space is formed in the base 21, the first contact terminal 22 and the second contact terminal 23 are mounted in the mounting space, one end of the base 21 is provided with a docking slot 211, and the mounting 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 a plug, a first through hole 222 is formed in one end, away from the plug, of the first contact terminal 22, a second through hole 232 is formed in one end, 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 being connected with a cable or a copper bar.

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 opened with an abutting groove 211 for the insertion of the inserting structure 12, and the abutting groove 211 is communicated with the installation space, so that when the inserting structure 12 is inserted into the abutting groove 211, the first contact terminal 22 and the second contact terminal 23 can be electrically connected with the contact layer in the plug. In addition, as shown in fig. 8 and fig. 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 is communicated with an electrical power system.

Optionally, the electrical connector further includes a fixing member 24, one side of the socket is opened with a mounting groove 218, the mounting groove 218 is communicated 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, an installation groove 218 is formed on an outer wall of the socket, and the fixing member 24 is slidably inserted into or withdrawn from the installation groove 218, when the fixing member 24 is inserted into the installation groove 218, one end of the fixing member 24 extends into the installation space and abuts against the first contact terminal 22 and the second contact terminal 23 to limit movement of the first contact terminal 22 and the second contact terminal 23, so as to improve structural stability of the electrical connector of the present embodiment.

Optionally, the first contact terminal 22 includes a bent portion 223, the second contact terminal 23 is provided with a fixing groove 233, the bent portion 223 is used for abutting against one end of the fixing member 24, and the fixing groove 233 is used for being clamped with 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 bending portion 223 of the first contact terminal 22 to prevent the first contact terminal 22 from moving, one side of the fixing member 24 is clamped with the fixing groove 233 of the second contact terminal 23 to prevent the second contact terminal 23 from moving, and the structural stability of the electrical connector of the embodiment is further improved.

The above description is only for the 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 of the changes or substitutions within the technical scope of the present application, and shall 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. An electric connector is characterized by comprising a plug, a socket and a locking piece, wherein the plug comprises an opposite insertion structure, the opposite insertion structure is provided with a slot, one end of the socket is provided with an opposite insertion slot for the opposite insertion structure to be inserted into, and an opposite connection bulge matched with the slot is formed on the inner wall of one side of the opposite insertion slot in a protruding mode; be equipped with the spliced pole on the outer wall of plug, the retaining member with the spliced pole rotates to be connected, be equipped with spacing post on the outer wall of socket insert to inserting the structure insert under the condition of butt joint groove, the retaining member with spacing post butt is in order to lock plug and socket.

2. The electrical connector of claim 1, wherein the mating structure comprises a mating plate, the mating plate is provided with the slot, and the outer wall of the mating plate is provided with a plurality of clamping protrusions; still seted up a plurality of recesses on the inner wall in butt joint groove, the bellied quantity of joint with the quantity of recess is unanimous, and is a plurality of the joint is protruding and a plurality of recess one-to-one.

3. The electrical connector of claim 2, wherein the interposer includes a first sub interposer and a second sub interposer, the slot is located between the first sub interposer and the second sub interposer, the clamping protrusion disposed on the first sub interposer is a first clamping protrusion, the clamping protrusion disposed on the second sub interposer is a second clamping protrusion, and the first clamping protrusion and the second clamping protrusion are different in size.

4. The electrical connector of claim 1, wherein the locking member comprises a connecting plate and two side arms disposed at two sides of the connecting plate, and an avoiding space for the plug to pass through is formed between the two side arms; two the hinge hole has all been seted up to the side arm, the side arm pass through the hinge hole with the spliced pole rotates to be connected.

5. The electrical connector of claim 4, wherein one end of the side arm is bent to form an abutting portion, and when the mating structure is inserted into the mating slot, the side arm rotates relative to the position-limiting post to cause the abutting portion to abut against or be away from the position-limiting post.

6. The electrical connector of claim 1, wherein the plug further comprises an outer housing, the outer housing is formed with a receiving cavity for receiving the insertion structure, the insertion structure is detachably connected to the outer housing, and the outer housing is provided with the connecting post.

7. The electrical connector of claim 6, wherein a first elastic buckle is arranged on one side of the opposite insertion 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 insertion structure, the first clamping part is arranged on one side, away from the opposite insertion structure, of the first connecting part, and the first clamping part is obliquely arranged in the direction away from the opposite insertion structure; the second elastic buckle comprises a second connecting portion and a second clamping portion, the second connecting portion is connected with the outer shell, the second clamping portion and the second connecting portion form a clamping groove, and the clamping groove is used for being clamped with the first clamping portion.

8. The electrical connector according to any one of claims 1 to 7, wherein 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 mating groove is opened at one end of the base, and the mounting space is communicated 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 being connected with a cable or a copper bar.

9. The electrical connector of claim 8, further comprising a fixing member, wherein a mounting groove is formed on 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.

10. The electrical connector of claim 9, wherein the first contact terminal includes a bent portion, the second contact terminal has a fixing groove, the bent portion is configured to abut against one end of the fixing member, and the fixing groove is configured to engage with one side of the fixing member.