CN211530256U

CN211530256U - Plug and connector assembly

Info

Publication number: CN211530256U
Application number: CN201922298089.5U
Authority: CN
Inventors: 黄斌; 陈宏基; 陈浩瀚; 王开德
Original assignee: Dongguan Luxshare Technology Co Ltd
Current assignee: Dongguan Luxshare Technology Co Ltd
Priority date: 2019-12-19
Filing date: 2019-12-19
Publication date: 2020-09-18
Anticipated expiration: 2029-12-19

Abstract

The utility model relates to a connector technical field discloses a plug and connector subassembly, the plug includes insulator, the cable that extends insulator backward, insert tongue and terminal subassembly, insulator includes the main part and the butt-joint plate that extends forward from the main part, insert the tongue and extend forward from the main part, be formed with a first butt-joint groove between butt-joint plate and insert the tongue, the upper and lower both sides of inserting the tongue all are provided with the terminal subassembly, cable and terminal subassembly electric connection, insulator still includes the mutually perpendicular's that extends forward from the main part first baffle and second baffle, first baffle, the second baffle is formed with a second butt-joint groove with inserting between the tongue. The first baffle and the second baffle can prevent the plug from being obliquely inserted, the terminal assembly can be prevented from being collapsed due to oblique insertion, the risk of collapse PIN is reduced, one-time successful insertion can be realized, and the insertion efficiency is improved. And the first baffle and the second baffle can limit the plug after being inserted into the socket.

Description

Plug and connector assembly

Technical Field

The utility model relates to a connector technical field especially relates to a plug and connector assembly.

Background

In order to realize information transmission between devices, a cable is generally used for connection, a connector is connected to an end of the cable, and the connector is plugged into the devices to realize information transmission between the two devices. The plug connector comprises a plug tongue, an insulating body and a cable, the plug tongue can be inserted into the plug port of the socket, and the insulating body at one end close to the plug tongue protrudes forwards to form a limiting part which can limit the inserted connector. The cable is arranged at the tail end of the insulating body and is connected with the conductive terminal on the plug tongue.

The front end of the plug connector insulating body is inserted into the socket, and the inserting tongue is inserted into the slot of the socket, so that the conductive terminals of the plug are abutted to the conductive terminals in the slot, and the electrical connection between the conductive terminals and the slot is realized. Then when the customer mechanism space is narrower, the size of the plug connector is made very short, the cable needs to be pulled in the plugging process, and due to the stress of the cable, the plug is easy to insert obliquely when the plug is plugged, so that the plug tongue top crosses the contact part of the conductive terminal of the socket, and a large risk of PIN collapse exists.

Therefore, a plug and connector assembly is needed to solve the above-mentioned problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a plug and connector assembly, it can avoid inserting to one side, reduces the PIN risk of bursting.

To achieve the purpose, the utility model adopts the following technical proposal:

providing a plug, which comprises an insulating body, a cable extending backwards out of the insulating body, a plug tongue and a terminal assembly, wherein the insulating body comprises a main body part and a butt joint plate extending forwards from the main body part, the plug tongue extends forwards from the main body part, a first butt joint groove is formed between the butt joint plate and the plug tongue, the terminal assembly is arranged on the upper side and the lower side of the plug tongue, the cable is electrically connected with the terminal assembly,

the insulating body further comprises a first baffle and a second baffle which extend forwards from the main body part and are perpendicular to each other, and a second butt joint groove is formed among the first baffle, the second baffle and the inserting tongue.

Preferably, the first baffle is positioned on the left side or the right side of the insertion tongue; and the second baffle is positioned above or below the inserting tongue.

Preferably, the number of the first baffle plates is two, and the first baffle plates are respectively positioned at the left side and the right side of the inserting tongue; the number of the second baffle plates is two, and the second baffle plates are positioned above or below the inserting tongue.

Preferably, the front ends of the first baffle and the second baffle and the front end of the insertion tongue tend to be flush, or the front ends of the first baffle and the second baffle protrude forwards from the front end of the insertion tongue.

Preferably, be provided with the flexure strip on the butt-joint plate, be provided with joint portion on the flexure strip, joint portion can the socket joint be connected.

Preferably, the elastic piece comprises an elastic part and a fixed part which are mutually connected, the fixed part is fixed on the butt plate, the elastic part is positioned above the fixed part and is arranged at an interval with the fixed part, and the clamping part is arranged on one side of the elastic part away from the fixed part; and the elastic part can move towards the direction close to the fixing part by pressing the elastic part, so that the clamping part is separated from the socket.

Preferably, the socket further comprises a pull rope, the pull rope is fixed at one end, far away from the plug tongue, of the elastic part, the pull rope penetrates through one end, far away from the plug tongue, of the fixing part, the pull rope is pulled backwards, and the elastic part can be drawn close to the fixing part, so that the clamping part is separated from the socket.

On the other hand, the electric connector assembly comprises a plug and a socket, wherein the plug comprises an insulating body, a cable extending backwards out of the insulating body, a plug tongue fixed on the insulating body and a terminal assembly, the insulating body comprises a main body part and a butt joint plate extending forwards from the main body part, the terminal assembly is arranged on each of the upper side and the lower side of the plug tongue, the cable is electrically connected with the terminal assembly, the socket comprises an insulating base body, a first baffle and a second baffle which are perpendicular to each other extend forwards from the insulating body, a butt joint groove is formed among the first baffle, the second baffle and the plug tongue, and the butt joint groove guides the plug to be inserted into the socket.

Preferably, the edges of the first baffle and the second baffle close to each other are connected into a whole.

Preferably, the socket further comprises a butt terminal assembly, the insulation seat body comprises an upper insulation seat body and a lower insulation seat body, and the butt terminal assembly is located between the upper insulation seat body and the lower insulation seat body; when the plug is butted with the socket, the butting groove is used for accommodating the upper insulating seat body or the lower insulating seat body, and the terminal assembly is electrically connected with the butting terminal assembly.

Preferably, the socket further includes a metal housing assembled on the insulating base, at least one limiting groove is defined between the metal housing and the insulating base, and the at least one limiting groove is used for accommodating the first baffle and the second baffle. Preferably, the socket further comprises a metal shell assembled on the insulating base body, a first limit groove and a second limit groove are defined between the metal shell and the insulating base body, and the number of the first baffle plates is two and the two first baffle plates are respectively positioned at the left side and the right side of the inserting tongue; the number of the second baffle plates is two, and the second baffle plates are positioned above or below the inserting tongue; when the plug is butted with the socket, one of the first baffle plates and one of the second baffle plates connected with the first baffle plate are inserted into the first limiting groove; the other first baffle and the other second baffle connected with the other first baffle are inserted into the second limiting groove.

Preferably, the number of the first baffle plates is two, and the first baffle plates are respectively positioned at the left side and the right side of the inserting tongue; the number of the second baffle plates is one, and the second baffle plates are positioned above or below the inserting tongue; two ends of the second baffle are respectively connected with the two first baffles; the socket also comprises a metal shell assembled on the insulating seat body, and when the plug is butted with the socket, the butting groove is used for accommodating the insulating seat body and the metal shell.

Preferably, the insertion tongue and the insulating body are integrally formed, welded or clamped.

The utility model has the advantages that: the first baffle and the second baffle are matched to guide and limit the plug, when the plug is plugged with the socket, the first baffle and the second baffle can prevent the plug from being plugged obliquely, the terminal assembly is prevented from being broken due to oblique plugging effectively, the risk of PIN bursting is reduced, the plug can be successfully plugged once, and the plugging efficiency is improved. And first baffle and second baffle can also carry on spacingly after inserting the socket to the plug, prevent that the plug from rocking.

Drawings

Fig. 1 is a schematic structural diagram of a plug according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a plug according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a plug according to an embodiment of the present invention (including an elastic sheet and a pull rope);

fig. 4 is a schematic structural diagram of a plug according to a first embodiment of the present invention (including an elastic sheet and a pull rope);

fig. 5 is a schematic structural diagram of an elastic sheet and a pull rope according to an embodiment of the present invention;

fig. 6 is a schematic structural diagram of a connector assembly according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a socket according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of a socket according to an embodiment of the present invention (excluding a metal housing);

fig. 9 is a schematic structural diagram of a socket according to a first embodiment of the present invention (excluding a metal shell and an insulating base);

fig. 10 is a schematic structural diagram of a plug according to a second embodiment of the present invention.

In the figure: 11. an insulating body; 111. a first baffle plate; 112. a second baffle; 113. a butt plate; 114. a main body portion;

12. a cable; 13. inserting a tongue; 14. a terminal assembly; 15. an elastic sheet; 151. an elastic portion; 1511. a clamping part; 152. a fixed part; 16. pulling a rope;

21. an insulating base body; 211. an upper insulating base body; 212. a lower insulating base body; 22. a metal housing; 221. a first limit groove; 222. a second limit groove; 223. a card interface; 23. a butt terminal assembly; 24. a circuit board; 25. a first insulating block; 26. a second insulating block; 27. a third insulating block; 28. a metal spacer.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship that the products of the present invention are usually placed when in use, and are only for convenience of description of the present invention and simplification of description, but do not indicate or imply that the device or component to which the term refers must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; either mechanically or electrically. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature being "on," "above" and "over" the second feature includes the first feature being directly on and obliquely above the second feature, or merely indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar components or components having the same or similar functions throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

Example one

As shown in fig. 1 and 2, the present embodiment discloses a plug including an insulating body 11, a cable 12, a tongue 13, and a terminal assembly 14. The cable 12 extends backwards out of the insulating body 11, the insulating body 11 includes a main body portion 114 and a butt plate 113 extending forwards from the main body portion 114, the plug tongue 13 extends forwards from the main body portion 114, and a first butt groove is formed between the butt plate 113 and the plug tongue 13. Terminal assemblies 14 are disposed on the upper and lower sides of the tongue 13, and are electrically connected to the cable 12, specifically by welding. Specifically, the terminal assembly 14 includes a plurality of conductive terminals, the conductive terminals are disposed on the insertion tongue 13 side by side at intervals, the conductive terminals are molded on the insertion tongue 13 by injection molding, front end portions of the conductive terminals are exposed out of the insertion tongue 13 to form contact portions of the conductive terminals, and tail ends of the conductive terminals are connected to the cable 12. The front end and the tail end of the insulating body 11 of the plug are perpendicular to each other, so that the plug is suitable for electronic equipment with small installation space.

The insulating body 11 further includes a first blocking plate 111 and a second blocking plate 112 extending forward from the main body 114 and perpendicular to each other, the first blocking plate 111 and the second blocking plate 112 are both disposed at an interval with the insertion tongue 13, and a second butt-joint groove is formed between the first blocking plate 111 and the insertion tongue 13 and between the second blocking plate 112 and the insertion tongue 13. The first baffle 111 and the second baffle 112 cooperate to guide and limit the plug.

The first baffle 111 and the second baffle 112 are matched to guide and limit the plug, when the plug is plugged into the socket, the first baffle 111 and the second baffle 112 can prevent the plug from being plugged obliquely, so that the terminal assembly 14 is effectively prevented from being broken due to oblique plugging, the risk of PIN collapse is reduced, plugging can be successfully performed at one time, and the plugging efficiency is improved. And the plug can also be spacing after first baffle 111 and second baffle 112 insert the socket, prevents that the plug from rocking. From a top view, the front ends of the first baffle 111 and the second baffle 112 vertically project to completely cover the insertion tongue 13, in this embodiment, the front ends of the first baffle 111 and the second baffle 112 and the front end of the insertion tongue 13 tend to be flush, and in other embodiments, the front ends of the first baffle 111 and the second baffle 112 may also project forward beyond the front end of the insertion tongue 13, so as to protect the terminals from collapsing the terminal assembly 14 due to incorrect insertion.

The first baffle 111 is positioned on the left side or the right side of the insert tongue 13; in this embodiment, the number of the first baffles 111 and the number of the second baffles 112 are two, the two first baffles 111 are respectively located at the left and right sides of the insertion tongue 13, and the two second baffles 112 are both located above the insertion tongue 13. The first baffle 111 and the second baffle 112 are integrally connected at the edges close to each other, and the butt plate 113 is located between the two second baffles 112, as shown in fig. 1.

In other embodiments, the number of the first blocking plates 111 and the second blocking plates 112 is one, the first blocking plates 111 are located on the left or right side of the insertion tongue 13, and the second blocking plates 112 are located above or below the insertion tongue 13. The edges of the first baffle 111 and the second baffle 112, which are close to each other, are disconnected from each other, and the first baffle 111 and the second baffle 112 are disposed at intervals, as shown in fig. 2. Or, the number of the first baffle plates 111 and the second baffle plates 112 is two, the two first baffle plates 111 are respectively located at the left and right sides of the insertion tongue 13, and the two second baffle plates 112 are both located above or below the insertion tongue 13. The edges of the first shutter 111 and the second shutter 112 adjacent to each other are disconnected from each other.

As shown in fig. 3-5, the elastic piece 15 is disposed on the docking plate 113, the elastic piece 15 is provided with a clamping portion 1511, and the clamping portion 1511 can be clamped with the socket to fix the plug and the socket. The elastic piece 15 includes a fixing portion 152 and an elastic portion 151 connected to each other, the elastic piece 15 is formed by a stamping and bending process, so that the fixing portion 152 and the elastic portion 151 are partially overlapped when viewed from top to bottom, the fixing portion 152 is fixed on the butt plate 113, the elastic portion 151 is located above the fixing portion 152 and spaced from the fixing portion 152 by a distance, that is, the elastic portion is not in contact with the fixing portion 152 under the condition of no stress, and the clamping portion 1511 is disposed on one side of the elastic portion 151 away from the fixing portion 152.

As shown in fig. 3 and 4, when the elastic portion 151 is pressed, the elastic portion 151 can move toward the direction close to the fixing portion 152, so as to drive the clamping portion 1511 to move downward to separate the clamping portion 1511 from the socket, and then the plug is pulled out from the socket.

Optionally, the plug further includes a pulling rope 16, the pulling rope 16 is fixed at one end of the elastic part 151 far away from the inserting tongue 13, and passes through one end of the fixing part 152 far away from the inserting tongue 13, and the elastic part 151 of the pulling rope 16 is pulled backwards to approach the fixing part 152, so that the clamping part 1511 is displaced downwards to be separated from the socket. Pulling on the pull cord 16 can then be continued to disengage the plug from the socket. The provision of the cord 16 makes the plug suitable for use in electronic equipment having a small insertion space and in which a hand cannot enter the pressing spring 15, and the use of the cord 16 enables the plug to be smoothly detached from the socket. The cord 16 in this embodiment is a flat cord 16.

As shown in fig. 6, the present embodiment also discloses a connector assembly, which includes a plug and a socket, wherein the plug has substantially the same structure as the plug. The inserting tongue 13 and the insulating body 1 are integrally formed or separately formed, and after being separately formed, the inserting tongue 13 and the insulating body 1 are fixedly connected in a welding or clamping manner, so that the inserting tongue 13 is fixed on the insulating body 1.

The socket comprises an insulating base body 21; the insulating body 11 of the plug extends forwards to form a first baffle 111 and a second baffle 112 which are perpendicular to each other, and a butt-joint groove is formed among the first baffle 111, the second baffle 112 and the plug tongue 13 and guides the plug to be inserted into the socket. The edges of the first baffle 111 and the second baffle 112 close to each other are integrally connected. Specifically, the number of the first baffle plates 111 and the second baffle plates 112 is two, the two first baffle plates 111 are respectively located at the left and right sides of the insertion tongue 13, and the two second baffle plates 112 are both located above the insertion tongue 13. The first shutter plate 111 is integrally connected to the edges of the second shutter plates 112 adjacent to each other, and the abutting plate 113 is located between the two second shutter plates 112, as shown in fig. 1 and 3.

As shown in fig. 7-9, the socket further includes a mating terminal assembly 23, the insulation base 21 includes an upper insulation base 211 and a lower insulation base 212, and the mating terminal assembly 23 is located between the upper insulation base 211 and the lower insulation base 212; when the plug and the receptacle are mated, the mating slot is used to accommodate the upper insulating housing 211 or the lower insulating housing 212, and the terminal assembly 14 and the mating terminal assembly 23 are electrically connected to each other. Specifically, the receptacle comprises two sets of the mating terminal assemblies 23, and further comprises a circuit board 24, a first insulating block 25, a second insulating block 26, a third insulating block 27 and a metal spacer 28, wherein the first insulating block 25 and the third insulating block 27 are respectively positioned at the front half part and the tail part of the upper mating terminal assembly 23, and the mating terminal assembly 23 is formed in the first insulating block 25 and the third insulating block 27 by injection molding; the second dielectric block 26 is located in the middle of the lower mating terminal assembly 23, and the mating terminal assembly 23 is also injection molded into the second dielectric block 26. The first insulating block 25 is located above the second insulating block 26, the third insulating block 27 is located behind the second insulating block 26, the metal spacer 28 is in an angle steel shape, and two sub-pieces of the metal spacer 28 are respectively located between the first insulating block 25 and the second insulating block 26 and between the third insulating block 27 and the second insulating block 26. The metal spacer 28 serves as a shield to prevent signals transmitted by the two mating terminal assemblies 23 from interfering with each other and affecting the quality of the signal transmission. The tail end of the butt terminal assembly 23 is connected to the circuit board 24, and the first insulating block 25, the second insulating block 26 and the third insulating block 27 are all located in the insulating base body 21 and are fixed in the insulating base body 21 in a clamping manner.

The socket further comprises a metal shell 22 assembled on the insulating base 21, the bottom of the metal shell 22 is fixed on the circuit board 24, specifically, a connecting hole is formed in the circuit board 24, a connecting pin is arranged on the metal shell 22, the connecting pin is inserted into the connecting hole and bends after penetrating through the connecting hole so as to fix the metal shell 22 on the circuit board 24, and the metal shell 22 realizes the fixation of the insulating base 21. At least one limiting groove is defined between the metal shell 22 and the insulating base 21, and the at least one limiting groove is used for accommodating the first baffle 111 and the second baffle 112.

Or, a first limit groove 221 and a second limit groove 222 are defined between the metal shell 22 and the insulating base 21, and the number of the first baffles 111 is two and is respectively located at the left and right sides of the inserting tongue 13; the number of the second baffles 112 is two, and the two second baffles are located above or below the insertion tongue 13, and the lengths of the first baffle 111 and the second baffle 112 are matched with the first limiting groove 221 and the second limiting groove 222; when the plug is butted with the socket, one of the first baffles 111 and one of the second baffles 112 connected with the first baffles are inserted into the first limiting groove 221; the other first baffle 111 and the other second baffle 112 connected thereto are inserted into the second limiting groove 222.

Preferably, in this embodiment, right-angled notches are respectively formed at the left and right ends of the insulating base 21, the two notches and the metal shell 22 form a first limiting groove 221 and a second limiting groove 222, when the plug and the socket are in butt joint, one of the first baffles 111 and the second baffle 112 connected with the first baffle 111 are inserted into the first limiting groove 221, and the first limiting groove 221 guides and limits the first baffle; the other first blocking plate 111 and the second blocking plate 112 connected to the first blocking plate 111 are inserted into the second stopper pin, and are guided and stopped by the second stopper groove 222.

Still seted up joint interface 223 on metal casing 22, when plug and socket butt joint, joint portion 1511 on the flexure strip 15 can the joint in joint interface 223, realizes the joint of plug and socket, makes the plug can not drop from the socket by oneself.

Example two

As shown in fig. 10, the present embodiment discloses a connector assembly, which includes a plug and a socket, and the structure of the plug in the present embodiment is substantially the same as that of the plug in the first embodiment, except that the number of the first blocking plates 111 in the present embodiment is two, and the first blocking plates are respectively located at two sides of the insertion tongue 13, and the number of the second connecting plates 112 is one, and the second blocking plates are located at one side of the insertion tongue 13 away from the butt plate 113. A butt groove is formed between the first baffle 111, the second baffle 112 and the insertion tongue.

The structure of the socket in this embodiment is substantially the same as that of the socket in the first embodiment, except that no limiting groove is provided between the metal shell 22 and the insulating base 21. The mating slot is used to receive the dielectric housing 21 and the metal shell 22 when the plug and receptacle are mated.

It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.

Claims

1. A plug comprises an insulating body (11), a cable (12) extending backwards out of the insulating body (11), a plug tongue (13) and a terminal component (14), the insulating body (11) comprises a main body part (114) and a butt joint plate (113) extending forwards from the main body part (114), the inserting tongue (13) extends forwards from the main body part (114), a first butt joint groove is formed between the butt joint plate (113) and the inserting tongue (13), the upper side and the lower side of the inserting tongue (13) are provided with the terminal components (14), the terminal component (14) comprises a plurality of conductive terminals which are arranged on the inserting tongue (13) side by side at intervals, the conductive terminals are molded on the inserting tongue (13) in an injection molding mode, the cable (12) is electrically connected with the terminal component (14),

the method is characterized in that: the insulating body (11) further comprises a first baffle plate (111) and a second baffle plate (112) which extend forwards from the main body part (114) and are perpendicular to each other, and a second butt joint groove is formed between the first baffle plate (111), the second baffle plate (112) and the inserting tongue (13).

2. Plug according to claim 1, characterised in that the first shutter (111) is located on the left or right side of the plug tongue (13); and the second baffle (112) is positioned above or below the insert tongue (13).

3. The plug according to claim 1, characterized in that the number of the first baffles (111) is two, respectively located on the left and right sides of the insert tongue (13); the number of the second baffle plates (112) is two, and the second baffle plates are positioned above or below the inserting tongue (13).

4. The plug of claim 1, wherein the front ends of the first and second shutters (111, 112) are flush with the front end of the insertion tongue (13), or the front ends of the first and second shutters (111, 112) are disposed to protrude forward beyond the front end of the insertion tongue (13).

5. The plug according to claim 1, wherein an elastic piece (15) is arranged on the butt joint plate (113), a clamping portion (1511) is arranged on the elastic piece (15), and the clamping portion (1511) can be connected with a socket in a clamping mode.

6. The plug of claim 5, wherein the elastic piece (15) comprises an elastic portion (151) and a fixing portion (152) connected with each other, the fixing portion (152) is fixed on the docking plate (113), the elastic portion (151) is located above the fixing portion (152) and spaced from the fixing portion (152), and the clamping portion (1511) is arranged on a side of the elastic portion (151) away from the fixing portion (152); and when the elastic part (151) is pressed, the elastic part (151) can move towards the direction close to the fixing part (152) so as to enable the clamping part (1511) to be separated from the socket.

7. The plug according to claim 6, further comprising a pulling rope (16), wherein the pulling rope (16) is fixed at one end of the elastic part (151) far away from the plug tongue (13), and the elastic part (151) can be drawn close to the fixing part (152) by pulling the pulling rope (16) backwards through one end of the fixing part (152) far away from the plug tongue (13) so as to enable the clamping part (1511) to be separated from the socket.

8. An electric connector assembly comprises a plug and a socket, wherein the plug comprises an insulating body (11), a cable (12) which extends backwards out of the insulating body (11), a plug tongue (13) fixed on the insulating body (11) and a terminal assembly (14), the insulating body (11) comprises a main body part (114) and a butt joint plate (113) extending forwards from the main body part (114), the upper side and the lower side of the inserting tongue (13) are provided with the terminal components (14), the terminal component (14) comprises a plurality of conductive terminals which are arranged on the inserting tongue (13) side by side at intervals and are molded on the inserting tongue (13) in an injection molding way, cable (12) and terminal subassembly (14) electric connection, the socket includes insulating pedestal (21), its characterized in that: the insulation body (11) extends forwards to form a first baffle (111) and a second baffle (112) which are perpendicular to each other, a butt joint groove is formed among the first baffle (111), the second baffle (112) and the plug tongue (13), and the butt joint groove guides the plug to be inserted into the socket.

9. The electrical connector assembly of claim 8, wherein the edges of the first and second shutters (111, 112) adjacent to each other are integrally connected.

10. The electrical connector assembly of claim 8, wherein the receptacle further comprises a mating terminal assembly (23), the insulative housing (21) comprising an upper insulative housing (211) and a lower insulative housing (212), the mating terminal assembly (23) being positioned between the upper insulative housing (211) and the lower insulative housing (212); when the plug and the socket are butted, the butting groove is used for accommodating the upper insulating seat body (211) or the lower insulating seat body (212), and the terminal assembly (14) and the butting terminal assembly (23) are electrically connected with each other.

11. The electrical connector assembly of claim 8, wherein the socket further comprises a metal housing (22) assembled to the insulative housing (21), the metal housing (22) and the insulative housing (21) defining at least one retaining groove therebetween, the at least one retaining groove being configured to receive the first blocking plate (111) and the second blocking plate (112).

12. The electrical connector assembly of claim 8, wherein the socket further comprises a metal housing (22) assembled on the insulating housing (21), the metal housing (22) and the insulating housing (21) define a first limiting groove (221) and a second limiting groove (222), and the number of the first baffles (111) is two, and the two baffles are respectively located at the left and right sides of the insertion tongue (13); the number of the second baffle plates (112) is two, and the two second baffle plates are positioned above or below the inserting tongue (13); when the plug is butted with the socket, one of the first baffles (111) and one of the second baffles (112) connected with the first baffles are inserted into the first limiting groove (221); the other first baffle plate (111) and the other second baffle plate (112) connected with the other first baffle plate are inserted into the second limiting groove (222).

13. The electrical connector assembly according to claim 8, wherein the number of the first baffles (111) is two, and the two baffles are respectively positioned at the left side and the right side of the insertion tongue (13); the number of the second baffle plates (112) is one, and the second baffle plates are positioned above or below the inserting tongue (13); two ends of the second baffle (112) are respectively connected with the two first baffles (111);

the socket also comprises a metal shell (22) assembled on the insulating base body (21), and when the plug and the socket are butted, the butting groove is used for accommodating the insulating base body (21) and the metal shell (22).

14. The electrical connector assembly of claim 8, wherein the tongue (13) is integrally formed, welded or snapped with the dielectric body (11).