Connector

Abstract

The utility model relates to the field of connectors, in particular to a connector, which comprises a socket, the socket comprises a first shell, a copper bar and a baffle ring, and the copper bar and the baffle ring are both arranged in the first shell; the first shell comprises a first shell body and a mounting column, the mounting column is arranged on one side of the first shell body, a through hole is formed in the mounting column, and a retaining convex block is arranged on the outer surface of the mounting column; the copper bar is provided with a first retaining groove, the copper bar is inserted into the through hole, the socket is provided with a second retaining groove, and the first retaining groove is communicated with the second retaining groove; the retaining ring is embedded into the first retaining groove and the second retaining groove, the retaining ring is used for preventing the copper bar and the mounting column from sliding on the first shell, the retaining ring is arranged between the retaining bump and the first shell, and the retaining bump is used for preventing the retaining ring from sliding on the first shell. The copper bar fixing device has the effect of stabilizing the copper bar.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of connector especially relates to a connector. BACKGROUND

[0002] Pure electric vehicle, hybrid electric vehicle and fuel cell vehicle all need a complete high voltage connection system, and the high voltage connection system is usually provided with a high voltage connector.

[0003] The existing high voltage connector is generally installed on the rubber core in the socket shell, and the rubber core and the socket shell are generally connected through buckles, but after long-term use and aging of the rubber core, the stability of the buckle connection decreases, and the copper bar may be displaced relative to the rubber core due to the falling and vibration of the high voltage connector, thereby affecting the normal use of the high voltage connector. SUMMARY

[0004] The utility model provides a kind of connector, to solve the problem that the existing high voltage connector, copper bar may be displaced relative to rubber core due to the falling and vibration of high voltage connector.

[0005] The utility model embodiment provides a kind of connector, including plug and socket, the plug can be inserted in the socket, the socket includes first shell body, and copper bar and retaining ring placed in the first shell body;

[0006] The first shell body includes shell main body and mounting column, the mounting column is arranged on one side of shell main body, the mounting column is provided with through hole, and the outer circumferential surface of the mounting column is provided with retreat stop lugs;

[0007] The copper bar is provided with first retreat stop groove, and the copper bar is inserted in the through hole, the mounting column is provided with second retreat stop groove, and the first retreat stop groove is communicated with the second retreat stop groove;

[0008] The retaining ring is embedded in the first retreat stop groove and the second retreat stop groove, and the retaining ring is used to stop the copper bar and the mounting column from moving relative to the shell main body, the retaining ring is located between the retreat stop lugs and the shell main body, and the retreat stop lugs are used to stop the retaining ring from moving relative to the shell main body.

[0009] Optionally, the copper bar is provided with four;

[0010] The mounting column is provided with four, and the four mounting columns are arranged at intervals around the shell main body, and each copper bar is inserted in the through hole of the corresponding mounting column;

[0011] The blocking ring comprises a ring and embedded blocks arranged on the inner circumferential surface of the ring, four embedded blocks are arranged around the ring, and each embedded block is embedded in the second anti-backout groove of the corresponding mounting column.

[0012] Optionally, the four copper bars comprise two short copper bars and two long copper bars, the length of the long copper bars is greater than that of the short copper bars.

[0013] The blocking ring further comprises a partition plate arranged in the ring, the partition plate divides the inner cavity of the ring into a first sub-cavity and a second sub-cavity, two mounting columns are arranged in the first sub-cavity, two mounting columns are arranged in the second sub-cavity, two short copper bars are respectively inserted into the through holes of the two mounting columns in the first sub-cavity, and two long copper bars are respectively inserted into the through holes of the two mounting columns in the second sub-cavity.

[0014] Optionally, a first notch is arranged on the blocking ring, a second notch is arranged on the partition plate, and the openings of the first notch and the second notch are both towards the shell body.

[0015] Optionally, the plug comprises a second shell and a first locking member, and the first locking member is arranged on the second shell.

[0016] A second locking member is arranged on the shell body, when the plug is inserted into the socket, the first locking member and the second locking member are in blocking cooperation to prevent the plug from falling off the socket.

[0017] Optionally, the first locking member comprises a button, the button comprises a driving part, a buckle part and a connecting part, the driving part is connected with the buckle part, one end of the connecting part is connected between the driving part and the buckle part, and the other end of the connecting part is fixed on the second shell, the driving part is used to drive the buckle part to move between a first position and a second position.

[0018] When the plug is inserted into the socket, the buckle part is located at the first position, the buckle part is in blocking cooperation with the second locking member to prevent the plug from falling off the socket.

[0019] During the movement of the buckle part from the first position to the second position, the distance between the buckle part and the second shell gradually increases, and when the buckle part reaches the second position, the buckle part is completely separated from the second locking member.

[0020] Optionally, the plug further comprises a secondary buckle and a limiting part, the limiting part is arranged on the second shell, the limiting part is provided with a clamping groove, the socket further comprises a buckle arranged on the shell main body, the buckle is used for buckling cooperation with the clamping groove on the limiting part, the secondary buckle is slidably connected with the second shell, and the secondary buckle can slide between a third position and a fourth position.

[0021] When the secondary buckle is located at the third position, the secondary buckle exerts force on the limiting part, so that the limiting part is buckled with the buckle; when the secondary buckle is located at the fourth position, the secondary buckle is separated from the limiting part, and the limiting part is separated from the buckle.

[0022] Optionally, the secondary buckle is provided with a locking arm, the second shell is provided with a first limiting groove and a second limiting groove along the sliding direction of the secondary buckle; when the secondary buckle is located at the third position, the locking arm is clamped into the first limiting groove; when the secondary buckle is located at the fourth position, the locking arm is clamped into the second limiting groove.

[0023] Optionally, the shell main body is provided with a guide strip, the second shell is provided with an insertion groove, and when the plug is plugged into the socket, the guide strip is plugged into the insertion groove.

[0024] Optionally, the shell main body is provided with an identification column away from the plug, and the identification column protrudes from the first shell away from the plug.

[0025] The connector provided by the embodiment of the utility model, the stop cooperation between the blocking ring, the second retreat groove on the mounting column and the first retreat groove on the copper bar, and the stop cooperation between the retreat block on the shell main body and the blocking ring, form the design of double stop, so that the connection reliability of the copper bar and the first shell is higher, and the anti-vibration and anti-impact ability of the connector is improved. BRIEF DESCRIPTION OF DRAWINGS

[0026] In order to more clearly illustrate the technical scheme of the embodiment of the utility model, the following will briefly introduce the drawings needed to be used in the description of the embodiment of the utility model, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can be obtained according to these drawings without creative labor.

[0027] Figure 1 It is the overall schematic view of the socket of the connector of an embodiment of the utility model;

[0028] Figure 2 It is the exploded schematic view of the socket of the connector of an embodiment of the utility model;

[0029] Figure 3 is the front view schematic diagram of the socket of the connector of one embodiment of the utility model;

[0030] Figure 4 is Figure 3 the sectional view schematic diagram about R-R line of

[0031] Figure 5 is the structure schematic diagram of the retaining ring of the socket of the connector of one embodiment of the utility model;

[0032] Figure 6 is the whole schematic diagram of the plug of the connector of one embodiment of the utility model;

[0033] Figure 7 is the internal sectional view schematic diagram of the plug of the connector of one embodiment of the utility model;

[0034] Figure 8 is the sectional view schematic diagram of the plug of the connector of one embodiment of the utility model;

[0035] Figure 9 is the partial sectional view schematic diagram of the plug of the connector of one embodiment of the utility model;

[0036] Figure 10 is the internal sectional view top view angle schematic diagram of the plug of the connector of one embodiment of the utility model.

[0037] BRIEF DESCRIPTION OF DRAWINGS: 100, socket;200, plug;1, first shell;10, retreat stop bump;11, signal terminal;12, socket waterproof ring;13, screw steel sleeve;14, fastener;15, first limit slot;16, second limit slot;171, shell main body;172, mounting column;18, second retreat stop groove;19, slide rail;2, retaining ring;21, ring;22, embedded block;23, partition;24, notch;3, copper bar;31, first retreat stop groove;4, second shell;5, button;51, driving part;52, buckle part;521, buckling part;522, plate body;53, connecting part;6, second locking piece;7, secondary buckle;71, locking arm;8, limit part;81, clamping groove;82, cavity;91, guide strip;92, identification column;93, tail clip solid wire jaw;94, tail cover;95, tail waterproof ring;96, plug sealing ring. DETAILED DESCRIPTION

[0038] In order to make the technical problem, technical scheme and beneficial effect solved by the utility model more clearly understood, the utility model is further described in detail below in combination with the drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model, and are not used to limit the utility model.

[0039] In the description of the utility model, it is necessary to understand that the orientation or positional relationship indicated by the terms "longitudinal", "radial", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is the orientation or positional relationship based on the drawings shown, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as a limitation on the utility model. In the description of the utility model, the meaning of "a plurality of" is two or more than two, unless otherwise specified.

[0040] In the description of the utility model, it should be explained that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integrally connected; it can be mechanical connection, or electrical connection; it can be directly connected, or indirectly connected through intermediate medium, or the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0041] Referring to Figures 1 to 5 The utility model embodiment provides a kind of connector, including plug 200 and socket 100, the plug 200 can be inserted in the socket 100, the socket 100 includes first shell 1, and copper bar 3 and retaining ring 2 placed in the first shell 1;

[0042] The first shell 1 includes shell main body 171 and mounting column 172, the mounting column 172 is arranged on the side of shell main body 171, the mounting column 172 is provided with through hole, the outer circumferential surface of mounting column 172 is provided with retreat stop boss 10;

[0043] The copper bar 3 is provided with first retreat stop groove 31, the copper bar 3 is inserted in the through hole, the mounting column 172 is provided with second retreat stop groove 18, the first retreat stop groove 31 is communicated with the second retreat stop groove 18;

[0044] The retaining ring 2 is embedded in the first retreat stop groove 31 and the second retreat stop groove 18, the retaining ring 2 is used to stop copper bar 3 and mounting column 172, so that copper bar 3 and mounting column 172 are relatively stationary, the retaining ring 2 is located between retreat stop boss 10 and shell main body 171, and retreat stop boss 10 is used to prevent the retaining ring 2 from falling off mounting column 172, that is, to prevent the retaining ring 2 from displacing relative to shell main body 171.

[0045] The assembled socket 100 in this embodiment is not easy to fall off, and the reasons are as follows: first, after the copper bar 3 is inserted into the through hole, the stop ring 2 is simultaneously embedded in the first retreat groove 31 and the second retreat groove 18, the stop ring 2 connects the copper bar 3 and the first shell 1 into a whole, and the stop ring 2 limits the movement of the copper bar 3 relative to the first shell 1; second, the retreat stop block 10 arranged on the first shell 1 can limit the retreat of the stop ring 2 relative to the first shell 1, and indirectly further block the movement of the copper bar 3 relative to the first shell 1. Through the stop ring 2, the copper bar 3 and the first shell 1, double retreat prevention effects are achieved, the stability of the installation of the copper bar 3 is strengthened, and the possibility of the copper bar 3 falling off from the first shell 1 after installation is reduced.

[0046] Specifically, referring to Figure 1 、 Figure 3 and Figure 4 , the copper bar is provided with four;

[0047] The mounting column 172 is provided with four, and the four mounting columns 172 are arranged at intervals around the shell main body 171, and each copper bar 3 is inserted into the through hole of the corresponding mounting column 172;

[0048] The stop ring 2 includes a ring 21 and an embedded block 22 arranged on the inner circumferential surface of the ring 21, the embedded block 22 is provided with four, and the four embedded blocks 22 are arranged around the ring 21, and each embedded block 22 is embedded in the second retreat groove 18 of the corresponding mounting column 172.

[0049] More specifically, the four copper bars 3 include two short copper bars 3 and two long copper bars 3, and the length of the long copper bar 3 is greater than that of the short copper bar 3;

[0050] The stop ring 2 further includes a partition plate 23 arranged in the ring 21, the partition plate 23 divides the inner cavity of the ring 21 into a first sub-cavity and a second sub-cavity, two mounting columns 172 are arranged in the first sub-cavity, and two mounting columns 172 are arranged in the second sub-cavity, two short copper bars 3 are respectively inserted into the through holes of the two mounting columns 172 in the first sub-cavity, and two long copper bars 3 are respectively inserted into the through holes of the two mounting columns 172 in the second sub-cavity.

[0051] In this embodiment, two short copper bars 3 and two long copper bars 3 are installed into the socket 100, and a first retreat groove 31 is arranged on each copper bar 3, so that the first retreat groove 31 on each copper bar 3 is embedded by the stop ring 2, and each copper bar 3 is blocked by the stop ring 2.

[0052] Preferably, the retainer block 10 is arranged on each mounting column 172. Of course, the retainer block 10 can also be arranged on at least one mounting column 172. In the embodiment, the retainer block 10 is arranged on two diagonally arranged mounting columns 172, so that the retainer ring 2 can be prevented from moving, and the retainer block 10 does not need to be arranged on each mounting column 172.

[0053] With reference to Figure 5 In the embodiment, the ring 21 is divided into two parts by the partition plate 23, the mounting columns 172 are divided into two groups according to the length of the long and short copper bars 3, the mounting columns 172 corresponding to the long copper bars 3 are arranged in the second sub-cavity, and the mounting columns 172 corresponding to the short copper bars 3 are arranged in the first sub-cavity. The long and short copper bars 3 are arranged separately, so that the personnel can assemble conveniently.

[0054] As an example, the retainer ring 2 is provided with a first notch, and the partition plate 23 is provided with a second notch 242, and the openings of the first notch and the second notch 242 are both directed to the shell body. In the embodiment, the weight of the retainer ring 2 can be reduced through the first notch, and the weight of the partition plate 23 can be reduced through the second notch 242, so that the overall weight of the socket 100 is reduced.

[0055] The socket 100 in the embodiment further comprises a signal terminal 11, a socket 100 waterproof ring, and a screw steel sleeve 13. The signal terminal 11 is arranged in the first shell 1, the socket 100 waterproof ring is arranged on one side of the first shell 1, the first shell 1 is uniformly provided with a plurality of screw holes in the circumferential direction, and the screw steel sleeve 13 is arranged in the screw hole.

[0056] With reference to Figures 6 to 10 The connector further comprises a plug 200, the plug 200 comprises a second shell 4 and a first locking member, and the first locking member is arranged on the second shell 4.

[0057] The second shell 4 is provided with a second locking member 6, and when the plug 200 is inserted into the socket 100, the first locking member and the second locking member 6 are in blocking cooperation, so as to prevent the plug 200 from falling off.

[0058] With reference to Figure 6 As an example, the first locking member comprises a button 5, the button 5 comprises a driving part 51, a connecting part 53, and a clamping part 52, the driving part 51 and the clamping part 52 are connected, one end of the connecting part 53 is connected to the joint of the clamping part 52 and the driving part 51, the other end of the connecting part 53 is fixed on the second shell 4, and the driving part 51 is used to drive the clamping part 52 to move between the first position and the second position.

[0059] When the plug 200 is inserted into the socket 100, the buckle part 52 is located at the first position, and the buckle part 52 is in abutting engagement with the second locking part 6 to prevent the plug 200 from being pulled out of the socket 200.

[0060] During the movement of the buckle part 52 from the first position to the second position, the distance between the buckle part 52 and the second shell 4 gradually increases, and when the buckle part 52 reaches the second position, the buckle part 52 is completely separated from the second locking part 6.

[0061] With reference to Figure 8 In the embodiment, the key 5 and the second shell 4 are integrally formed, the driving part 51 is in the form of a plate, the buckle part 52 comprises a plate body 522 and a buckling part 521, the plate body 522 is connected with the driving part 51, and the plate body 522 and the driving part 51 form an integral plate together, the connecting part 53 is in the form of a square rod, the lower end of the connecting part 53 is connected with the second shell 4, and in the embodiment, the lower end of the connecting part 53 is integrally formed with the first shell 1, and the upper end of the connecting part 53 is integrally formed with the joint of the driving part 51 and the buckle part 52, and the connecting part 53 makes the buckle part 52 and the second shell 4 and the driving part 51 and the second shell 4 have a distance therebetween respectively.

[0062] In actual use, a person presses the driving part 51, and the driving part 51 moves towards the second shell 4, and because the driving part 51 and the buckle part 52 are integrally formed, the driving part 51 drives the buckle part 52 to move away from the second shell 4 under the deformation of the material itself until the buckle part 52 is located at the second position, at which time the distance between the buckling part 521 and the second shell 4 is at the maximum, so that the second locking part 6 on the socket 100 can enter the distance between the buckle part 52 and the second shell 4, and when the person releases the key 5, the driving part 51 returns to the original position, that is, the driving part 51 moves away from the second shell 4, at which time the plate body 522 moves towards the second shell 4 until the plate body 522 is located at the first position, so that the buckling part 521 is connected with the second locking part 6.

[0063] The embodiment reduces the probability of the plug 200 being pulled out of the socket 100 through the abutting engagement between the first locking part and the second locking part 6, thereby ensuring the stable connection between the plug 200 and the socket 100. The key 5 can adjust the distance between the buckle part 52 and the second shell 4 to facilitate the insertion of the plug 200 into the socket 100 or the pulling of the plug 200 out of the socket 100.

[0064] With reference to Figure 6 , Figure 9 and Figure 10As an example, the plug 200 further comprises a secondary buckle 7 and a limiting portion 8, the limiting portion 8 is arranged on the second shell 4, the limiting portion 8 is provided with a clamping groove 81, the socket 100 further comprises a buckle 14 arranged on the first shell 1, the buckle 14 is used for buckling cooperation with the clamping groove 81 on the limiting portion 8, the secondary buckle 7 is slidably connected with the plug 200, the secondary buckle 7 slides between a third position and a fourth position, when the secondary buckle 7 is located at the third position, the secondary buckle 7 exerts force on the limiting portion 8, so that the limiting portion 8 is buckled with the buckle 14; when the secondary buckle 7 is located at the fourth position, the secondary buckle 7 is separated from the limiting portion 8, so that the limiting portion 8 is separated from the buckle 14.

[0065] The secondary buckle 7 in the embodiment is CPA buckle, on the basis of preventing the plug 200 from falling off by the blocking cooperation of the first locking member and the second locking member 6, the secondary buckle 7 is mainly used for locking the plug 200 and the socket 100 again, so as to realize the effect of double locking, and enhance the connection effect of the plug 200 and the socket 100.

[0066] The color of the secondary buckle 7 in the embodiment is different from the color of the second shell 4, so as to facilitate personnel to observe whether the secondary buckle 7 is located at the locking position. The second shell 4 is provided with a sliding rail 19, the secondary buckle 7 is connected with the sliding rail 19, so that the secondary buckle 7 slides relative to the second shell 4, and the secondary buckle 7 moves between the third position and the fourth position through the sliding rail 19.

[0067] The limiting portion 8 in the embodiment is in the shape of a long strip, one end of the limiting portion 8 close to the secondary buckle 7 has a cavity 82, the cavity 82 has an opening, the opening faces the secondary buckle 7, so as to facilitate the secondary buckle 7 to slide into the cavity 82, the other end of the limiting portion 8 away from the secondary buckle 7 is provided with the clamping groove 81, and the middle part of the limiting portion 8 is integrally formed with the second shell 4.

[0068] After the plug 200 is inserted into the socket 100, there is a gap between the buckle 14 and the clamping groove 81, the buckle 14 and the clamping groove 81 are opposite, and the buckle 14 is not buckled into the clamping groove 81, personnel pushes the secondary buckle 7, so that the secondary buckle 7 slides into the cavity 82, the one end of the limiting portion 8 close to the secondary buckle 7 is upwardly buckled, that is, the one end of the limiting portion 8 close to the secondary buckle 7 is away from the second shell 4, and drives the other end of the limiting portion 8 away from the secondary buckle 7 to be close to the second shell 4, at this time, the buckle 14 is gradually buckled into the clamping groove 81, and the buckling cooperation of the buckle 14 and the clamping groove 81 is completed.

[0069] When the plug 200 needs to be pulled out, the secondary buckle 7 is pulled out of the cavity 82, so that the secondary buckle 7 does not slide into the cavity 82, at this time the limiting part 8 resets, the end of the limiting part 8 away from the secondary buckle 7 moves towards the direction away from the second shell 4, and the card slot 81 gradually separates from the buckle 14, at the same time, the end of the limiting part 8 close to the secondary buckle 7 moves towards the second shell 4.

[0070] As an example, the secondary buckle 7 is provided with a locking arm 71, and the second shell 4 is provided with a first limiting slot 15 and a second limiting slot 16 along the sliding direction of the secondary buckle 7; when the secondary buckle 7 is in the third position, the locking arm 71 is clamped into the first limiting slot 15; when the secondary buckle 7 is in the fourth position, the locking arm 71 is clamped into the second limiting slot 16.

[0071] The locking arm 71 in the embodiment is provided with two, and the two locking arms 71 are arranged on both sides of the secondary buckle 7 along the sliding direction, not at both ends of the secondary buckle 7 along the sliding direction, and the second shell 4 is provided with two first limiting slots 15 and two second limiting slots 16. One first limiting slot 15 and one second limiting slot 16 form a limiting slot group, and the two limiting slot groups and the two locking arms 71 correspond one by one, when the secondary buckle 7 is in the third position, each locking arm 71 is clamped into each first limiting slot 15; when the secondary buckle 7 is in the fourth position, each locking arm 71 is clamped into each second limiting slot 16.

[0072] The locking arm 71 can keep the position of the secondary buckle 7, so that the secondary buckle 7 is always inserted into the inner cavity of the limiting part 8 and lifts the limiting part 8, or the locking arm 71 can keep the position of the secondary buckle 7, so that the secondary buckle 7 is always separated from the limiting part 8.

[0073] As an example, the shell body is provided with a guide strip 91, and the second shell 4 is provided with an insertion slot, and when the plug 200 is inserted into the socket 100, the guide strip 91 is inserted into the insertion slot. The length direction of the guide strip 91 in the embodiment is parallel to the insertion direction of the plug 200. If there is no guide strip 91, the plug 200 may be rotated along the circumference of the socket 100 during the insertion process, so that the copper bar 3 of the socket 100 is not aligned with the jack of the plug 200.

[0074] As an example, the side of the first shell 1 away from the plug 200 is provided with an identification column 92, and the identification column 92 protrudes out of the first shell 1 towards the side away from the plug 200. The identification column 92 in the embodiment is mainly used to facilitate the assembly personnel to distinguish the insertion direction of the copper bar 3, that is, from which side of the socket 100 to assemble the copper bar 3, so as to speed up the assembly efficiency.

[0075] In the embodiment, the plug further comprises a plug sealing ring 96, a tail waterproof ring, a tail cover 94, a tail cable clamp, and a second shell is provided with a plug slot on a side close to the socket, the plug sealing ring 96 is installed in the plug slot of the second shell, and the plug sealing ring 96 is used to seal the socket and the plug when the plug is plugged into the socket, and the tail waterproof ring and the tail cover 94 are installed on a side of the second shell away from the socket.

[0076] The plug further comprises a tail clamp cable fixing claw 93 in the embodiment, the tail clamp cable fixing claw 93 is arranged between the tail cover 94 and the tail waterproof ring, and the tail clamp cable fixing claw 93 effectively avoids the occurrence of the waterproof and dustproof failure phenomenon caused by cable bending and shaking.

[0077] The above-described embodiments are only used to illustrate the technical solutions of the present application, rather than limit them; although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present application, and should be included in the protection scope of the present application.

Claims

1. A connector characterized by comprising: The plug and the socket are provided, the plug is capable of being plugged into the socket, the socket comprises a first shell, a copper bar and a blocking ring which are arranged in the first shell; The first shell comprises a shell body and a mounting column which is arranged on one side of the shell body, the mounting column is provided with a through hole, and an anti-backout protrusion is arranged on the outer circumferential surface of the mounting column; The copper bar is provided with a first anti-backout groove, the copper bar is plugged into the through hole, the mounting column is provided with a second anti-backout groove, and the first anti-backout groove is communicated with the second anti-backout groove; The blocking ring is embedded in the first anti-backout groove and the second anti-backout groove, the blocking ring is used for blocking the movement of the copper bar and the mounting column relative to the shell body, the blocking ring is located between the anti-backout protrusion and the shell body, and the anti-backout protrusion is used for blocking the movement of the blocking ring relative to the shell body.

2. The connector of claim 1, wherein The copper bar is provided with four copper bars; The mounting column is provided with four mounting columns, the four mounting columns are arranged at intervals around the shell body, and each copper bar is plugged into the through hole of the corresponding mounting column; The blocking ring comprises a ring and an embedded block arranged on the inner circumferential surface of the ring, the embedded block is provided with four embedded blocks, the four embedded blocks are arranged around the ring, and each embedded block is embedded in the second anti-backout groove of the corresponding mounting column.

3. The connector of claim 2, wherein The four copper bars comprise two short copper bars and two long copper bars, and the length of the long copper bar is greater than that of the short copper bar; The blocking ring further comprises a partition plate arranged in the ring, the partition plate divides the inner cavity of the ring into a first sub-cavity and a second sub-cavity, two mounting columns are arranged in the first sub-cavity, two mounting columns are arranged in the second sub-cavity, two short copper bars are respectively plugged into the through holes of the two mounting columns in the first sub-cavity, and two long copper bars are respectively plugged into the through holes of the two mounting columns in the second sub-cavity.

4. The connector of claim 3, wherein A first notch is arranged on the blocking ring, a second notch is arranged on the partition plate, and the openings of the first notch and the second notch are both directed towards the shell body.

5. The connector of claim 1, wherein The plug comprises a second shell and a first locking member, and the first locking member is arranged on the second shell; A second locking member is arranged on the shell body, when the plug is plugged into the socket, the first locking member and the second locking member are blocked and matched to prevent the plug from falling off the socket.

6. The connector of claim 5, wherein, The first locking member comprises a key, the key comprises a driving part, a buckle part and a connecting part, the driving part and the buckle part are connected, one end of the connecting part is connected between the driving part and the buckle part, the other end of the connecting part is fixed on the second shell, and the driving part is used for driving the buckle part to move between a first position and a second position; When the plug is plugged into the socket, the buckle part is located at the first position, the buckle part is blocked and matched with the second locking member to prevent the plug from falling off the socket; During the movement of the buckle part from the first position to the second position, the distance between the buckle part and the second shell gradually increases, and when the buckle part reaches the second position, the buckle part is completely separated from the second locking member.

7. The connector of claim 5, wherein The plug further comprises a secondary buckle and a limiting part, the limiting part is arranged on the second shell, the limiting part is provided with a clamping groove, the socket further comprises a fastener arranged on the shell body, the fastener is used for buckling cooperation with the clamping groove on the limiting part, the secondary buckle is slidably connected with the second shell, and the secondary buckle can slide between a third position and a fourth position; When the secondary buckle is located at the third position, the secondary buckle exerts force on the limiting part, so that the limiting part is buckled with the fastener; when the secondary buckle is located at the fourth position, the secondary buckle is separated from the limiting part, and the limiting part is separated from the fastener.

8. The connector of claim 7, wherein, The secondary buckle is provided with a locking arm, the second shell is provided with a first limiting groove and a second limiting groove along the sliding direction of the secondary buckle; when the secondary buckle is located at the third position, the locking arm is clamped into the first limiting groove; when the secondary buckle is located at the fourth position, the locking arm is clamped into the second limiting groove.

9. The connector of claim 5, wherein, The shell body is provided with a guide strip, the second shell is provided with an insertion groove, and when the plug is inserted into the socket, the guide strip is inserted into the insertion groove.

10. The connector of claim 5, wherein, The side, away from the plug, of the shell body is provided with an identification column, and the identification column protrudes from the first shell towards the side away from the plug.

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