CN219998540U - Power terminal connector - Google Patents

Abstract

The utility model relates to the field of terminal connectors, and provides a power terminal connector, which comprises a plug assembly and a socket assembly; the plug assembly comprises a plug shell and a plug terminal, wherein the plug shell is provided with a first jack for the plug terminal to be inserted from the rear end, a first clamping groove is formed in the side face of the plug terminal, and a first positioning claw with the front end capable of being clamped in the first clamping groove is arranged on the first jack; the inside of plug casing is close to rear end department and is provided with the cover in plug cable and pastes the plug cable sealing washer in the plug casing, the rear end of plug casing is connected with can compress tightly the plug tail cap of plug cable sealing washer, and first locating claw, second locating claw can block into the draw-in groove of terminal (plug terminal and socket terminal) side to restrict the back of terminal, with stability and reliability when guaranteeing the connector grafting, the water-proof effects is good.

Description

Power terminal connector

Technical Field

The utility model belongs to the technical field of terminal connectors, and particularly relates to a power terminal connector.

Background

The current power terminal connector is characterized in that a terminal shell and a cover body of the current power terminal connector are generally sealed through rubber gaskets, the waterproof effect is poor, a terminal generally has no reliable limiting structure, and the contact reliability of the terminal is poor.

Disclosure of Invention

The utility model aims to at least overcome one of the defects in the prior art and provide a power terminal connector which has good waterproof effect and good reliability.

The technical scheme of the utility model is as follows: a power terminal connector comprising a plug assembly and a receptacle assembly;

the plug assembly comprises a plug shell and a plug terminal, wherein the plug shell is provided with a first jack for the plug terminal to be inserted from the rear end, a first clamping groove is formed in the side face of the plug terminal, and a first positioning claw with the front end capable of being clamped in the first clamping groove is arranged on the first jack; a plug cable sealing ring sleeved on the plug cable and attached to the plug shell is arranged in the plug shell near the rear end, and the rear end of the plug shell is connected with a plug tail cover capable of pressing the plug cable sealing ring;

the socket assembly comprises a socket shell and a socket terminal, wherein the socket shell is provided with a second jack for the socket terminal to be inserted from the rear end, a second clamping groove is formed in the side face of the socket terminal, and a second positioning claw with the front end capable of being clamped in the second clamping groove is arranged on the second jack; a socket cable sealing ring sleeved on the socket cable and stuck in the socket shell is arranged in the socket shell near the rear end, and the rear end of the socket shell is connected with a socket tail cover capable of pressing the socket cable sealing ring;

and an interface sealing ring is arranged at the joint of the plug assembly and the socket assembly.

Optionally, be provided with buckle structure between plug casing with the socket casing, buckle structure including set up in the buckle arm in the plug casing outside with set up in the draw-in groove of socket casing, the front end of buckle arm be provided with can block in the buckle arch of draw-in groove, the plug casing still is provided with the front end hang in the pressing arm of buckle arm top.

Optionally, the first positioning claw has elasticity, the first positioning claw is provided with at least two and the front end draws close in opposite directions, the rear end integrated into one piece of first positioning claw in the inner wall of plug casing.

Optionally, the second positioning claw has elasticity, the second positioning claw is provided with at least two and the front end draws close in opposite directions, the rear end integrated into one piece of second positioning claw in the inner wall of plug casing.

Optionally, the plug terminal is provided with a first convex ring capable of penetrating through the first positioning claw and a second convex ring capable of propping against the plug shell, and the first convex ring and the second convex ring are adjacently arranged at intervals; the first clamping groove is formed in the root of one side of the first convex ring, which faces to the second convex ring.

Optionally, the socket terminal is provided with a third convex ring capable of penetrating through the second positioning claw and a fourth convex ring capable of propping against the socket shell, and the third convex ring and the fourth convex ring are adjacently arranged at intervals; the second clamping groove is formed in the root of one side, facing the fourth convex ring, of the third convex ring.

Optionally, the front end of the plug housing is integrally provided with at least two terminal insulating sleeves, the front end of the terminal insulating sleeve is provided with an opening for the socket terminal to extend in, and the plug terminal is a jack terminal and is located in the terminal insulating sleeve.

Optionally, a first sealing side groove is formed in the front end of the plug housing at the root of the terminal insulating sleeve, and an interface sealing ring is arranged in the first sealing side groove; the interface sealing ring is a multi-channel wave-shaped sealing ring.

Optionally, the socket housing is provided with a socket hole into which the terminal insulating sleeve extends, and the socket terminal is disposed in the socket hole.

Optionally, the front end of the socket shell is provided with a containing groove which can be sleeved on the interface sealing ring, and the plug holes are provided with at least two plug holes and extend from the bottom of the containing groove to the rear end.

Optionally, the socket housing adopts plastic integrated into one piece, socket housing integrated into one piece has the installation protruding edge, the installation protruding edge is provided with a plurality of installation through-holes that are used for supplying the retaining member to pass, be provided with the metal bush in the installation through-hole.

Optionally, the socket housing is a metal housing.

Optionally, the metal bush has a through seam along a longitudinal direction, the metal bush interference clamps in the installation through hole, and the both ends of the metal bush are not protruding from the installation protruding edge.

Optionally, an interface sealing groove arranged on the periphery of the ring socket terminal is arranged on the back surface of the mounting flange, and the interface sealing groove is provided with the interface sealing ring.

Optionally, the interface sealing groove is provided with an interference protrusion that can press the interface sealing ring.

Optionally, the plug shell includes built-in plug rubber core, the plug terminal passes the plug rubber core, the front end of plug rubber core insert in the second bulge loop, plug cable sealing washer's one end support in the rear end of plug rubber core, plug cable sealing washer's the other end support in the plug tail cap.

Optionally, a socket rubber core is arranged in the socket shell, the socket terminal penetrates through the socket rubber core, the front end of the socket rubber core is inserted into the fourth convex ring, one end of the socket cable sealing ring abuts against the rear end of the socket rubber core, and the other end of the socket cable sealing ring abuts against the socket tail cover.

Optionally, the plug tail cap is connected to the plug housing by a first snap-fit structure.

Optionally, the socket tail cap is connected to the plug housing by a second snap-fit structure.

Optionally, a third fastening structure is arranged between the outer side of the plug rubber core and the plug shell.

Optionally, a fourth fastening structure is disposed between the outer side of the socket rubber core and the inner side of the socket housing.

Optionally, at least one side surface of the terminal insulating sleeve is provided with an anti-misplug boss, and the plugging hole is provided with an anti-misplug slot matched with the anti-misplug boss.

According to the power terminal connector provided by the utility model, the first positioning claw and the second positioning claw can be clamped into the clamping grooves on the side surfaces of the terminals (the plug terminal and the socket terminal), so that the backspacing of the terminals is limited, and the stability and the reliability of the connector during plugging are ensured. Moreover, the interface sealing ring is arranged at the butt joint of the plug assembly and the socket assembly, so that the butt joint is also guaranteed to be sealed, the waterproof effect is good, the reliability is high, and the plug assembly and the socket assembly can be suitable for scenes with high requirements such as outdoors.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic perspective view of a power terminal connector according to an embodiment of the present utility model when a plug assembly and a socket assembly are mated;

fig. 2 is a schematic perspective assembly view of a plug assembly and a socket assembly in a power terminal connector according to an embodiment of the present utility model;

fig. 3 is another perspective assembly schematic diagram of a power terminal connector according to an embodiment of the present utility model when a plug assembly and a socket assembly are separated;

fig. 4 is a schematic perspective view of a plug assembly and a socket assembly in a power terminal connector according to an embodiment of the present utility model;

fig. 5 is a schematic perspective view of a plug assembly in a power terminal connector according to an embodiment of the present utility model;

fig. 6 is a schematic perspective view of a socket assembly in a power terminal connector according to an embodiment of the present utility model;

fig. 7 is an exploded perspective view of a plug assembly of a power terminal connector according to an embodiment of the present utility model;

fig. 8 is a schematic perspective exploded view of a receptacle assembly of a power terminal connector according to an embodiment of the present utility model.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

It should be noted that the terms "disposed" and "connected" should be construed broadly, and may be, for example, directly disposed or connected, or indirectly disposed or connected through a central element or a central structure.

In addition, in the embodiments of the present utility model, terms of directions or positional relationships indicated by "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., are directions or positional relationships based on the directions or positional relationships shown in the drawings or the conventional placement state or use state, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the structures, features, devices or elements to be referred to must have specific directions or positional relationships nor must be constructed and operated in specific directions, and thus should not be construed as limiting the present utility model. In the description of the present utility model, unless otherwise indicated, the meaning of "a plurality" is two or more.

The various features and embodiments described in the detailed description may be combined in any suitable manner, for example, different embodiments may be formed by different combinations of features/embodiments, where not contradictory, and various possible combinations of features/embodiments in the present utility model are not described further in order to avoid unnecessary repetition.

As shown in fig. 1 to 8, a power terminal connector according to an embodiment of the present utility model includes a plug assembly 100 and a socket assembly 200; the plug assembly 100 and the receptacle assembly 200 may be mated in opposition to conduct power. The plug assembly 100 comprises a plug housing 110 and a plug terminal 120, wherein the plug housing 110 is provided with a first jack for the plug terminal 120 to be inserted from the rear end, the tail part of the plug terminal 120 can be riveted (or welded) with a plug cable 190, the side surface of the plug terminal 120 is provided with a first clamping groove 121, and the first jack is provided with a first positioning claw 151 of which the front end can be clamped in the first clamping groove 121; a plug cable sealing ring 130 sleeved on the plug cable 190 and attached to the inner wall of the plug housing 110 is arranged in the plug housing 110 near the rear end, and a plug tail cover 140 capable of pressing the plug cable sealing ring 130 is connected to the rear end of the plug housing 110; the first positioning claw 151 may be integrally formed with the plug housing 110 or the plug rubber core 150 therein and have a certain elasticity, so that the front end of the plug terminal 120 may pass through, and when the plug terminal 120 is inserted into the set position, the first positioning claw 151 may be clamped in the first clamping groove 121, thereby limiting the retraction of the plug terminal 120, so as to ensure the stability and reliability when the connector is plugged. The socket assembly 200 includes a socket housing 210, a socket terminal 220, the socket housing 210 having a second receptacle for insertion of the socket terminal 220 from the rear, the tail portions of the socket terminal 220 may be staked (or soldered) with a socket cable 290. A second clamping groove 221 is formed in the side surface of the socket terminal 220, and a second positioning claw 211 with the front end capable of being clamped in the second clamping groove 221 is arranged in the second jack; the socket housing 210 is provided with a socket cable sealing ring 230 sleeved on the socket cable 290 and attached to the socket housing 210 at the position close to the rear end, the rear end of the socket housing 210 is connected with a socket tail cover 240 capable of tightly pressing the socket cable sealing ring 230, and the socket cable sealing ring 230 is pressed against the socket housing 210 and the socket cable 290, so that the sealing effect is good. The second positioning claw 211 may be integrally formed on the socket housing 210 and has a certain elasticity, and may allow the front end of the socket terminal 220 to pass through, and when the socket terminal 220 is inserted into the set position, the second positioning claw 211 may be clamped in the second clamping groove 221, so as to limit the retraction of the socket terminal 220, so as to ensure the stability and reliability when the connector is plugged. Moreover, the interface sealing ring is arranged at the butt joint of the plug assembly 100 and the socket assembly 200, so that the butt joint is also guaranteed to be sealed, the waterproof effect is good, the reliability is high, and the plug assembly is applicable to scenes with high requirements such as outdoors.

Specifically, a fastening structure is disposed between the plug housing 110 and the socket housing 210, the fastening structure includes a fastening arm 112 disposed on the outer side of the plug housing 110 and a fastening slot 212 disposed on the socket housing 210, a fastening protrusion capable of being fastened to the fastening slot 212 is disposed at a front end of the fastening arm 112, connection reliability is high, the plug housing 110 is further provided with a pressing arm 113 with a front end suspended above the fastening arm 112, and when the pressing arm 113 is pressed downward, the front end of the fastening arm 112 is allowed to sink, so that the fastening protrusion is separated from the limitation of the fastening slot 212. The fastening structure may be disposed on one side, or may be disposed on two opposite sides of the plug housing 110 and the socket housing 210.

Specifically, the first positioning claw 151 has elasticity, at least two first positioning claws 151 are provided, and the front ends of the first positioning claws are close to each other, so as to be automatically clamped in the first clamping groove 121, and the rear ends of the first positioning claws 151 are integrally formed on the inner wall of the plug housing 110; the second positioning claw 211 has elasticity, at least two second positioning claws 211 are provided, the front ends of the second positioning claws 211 are close to each other, and the rear ends of the second positioning claws 211 are integrally formed on the inner wall of the plug housing 110. There may be a gap between adjacent first positioning claws 151. There may be a gap between adjacent second positioning claws 211.

Specifically, the annular first clamping groove 121 may be directly provided at the side of the plug terminal 120. Alternatively, the plug terminal 120 is provided with a first convex ring that can pass through the first positioning claw 151 and a second convex ring that can be abutted against the plug housing 110, and the first convex ring and the second convex ring are adjacently spaced; the first clamping groove 121 is formed at the root of the first convex ring facing to one side of the second convex ring; the first collar may pass through the first positioning claw 151, and the second collar may abut against the plug terminal 120, so as to facilitate assembly.

Specifically, the socket terminal 220 is provided with a third convex ring 223 that can pass through the second positioning claw 211 and a fourth convex ring 224 that can be abutted against the socket housing 210, and the third convex ring 223 and the fourth convex ring 224 are adjacently and alternately arranged; the second slot 212221 is formed at the root of the third collar 223 facing the fourth collar 224. The third convex ring 223 may pass through the first positioning claw 151, and the fourth convex ring 224 may abut against the socket terminal 220 to limit during the insertion, so as to facilitate the assembly.

Specifically, at least two terminal insulation sleeves 115 are integrally disposed at the front end of the plug housing 110, an opening for the socket terminal 220 to extend into is disposed at the front end of the terminal insulation sleeve 115, and the plug terminal 120 is a jack-type terminal and is located in the terminal insulation sleeve 115; the socket terminal 220 may be a cylindrical metal terminal, the socket terminal 220 may be inserted into a jack terminal through an opening, and the jack terminal is sleeved on the socket terminal 220, so that the connection is reliable and the safety is high.

Specifically, the front end of the plug housing 110 is provided with a first sealing side groove 116 at the root of the terminal insulating sleeve 115, and the first sealing side groove 116 is provided with the interface seal ring 180; the interface sealing ring 180 is a multi-channel wave-shaped sealing ring, and the sealing effect is good.

Specifically, the socket housing 210 is provided with a socket hole into which the terminal insulating sleeve 115 is inserted, and the socket terminal 220 is disposed in the socket hole 218 to prevent accidents such as short-circuiting and creepage.

Specifically, the front end of the socket housing 210 is provided with at least two receiving grooves 219 that can be sleeved on the interface sealing ring 180, and the plugging holes 218 extend from the bottom of the receiving grooves 219 to the rear end. The receptacle housing 210 may be fitted over the interface gasket 180 to prevent water from entering through the gap where the plug assembly 100 and the receptacle assembly 200 interface.

Specifically, the socket housing 210 is integrally formed by plastic, the socket housing 210 is integrally formed with a mounting flange 217, the mounting flange 217 is provided with a plurality of mounting through holes for the locking members to pass through, and the mounting through holes are provided with metal spacers 270 to prevent the socket housing 210 from being deformed and damaged due to excessive stress. Alternatively, the receptacle housing 210 may be a metal housing (with insulation or gel disposed therein for separating the terminals from the cables).

Specifically, the metal spacer 270 has a through seam along the longitudinal direction, the metal spacer 270 is clamped in the mounting through hole in an interference manner, and two ends of the metal spacer 270 are not protruded from the mounting flange 217, so that the reliability is high and the assembly is convenient.

Specifically, the back of the mounting flange 217 is provided with an interface seal groove 2171 disposed at the periphery of the ring socket terminal 220, the interface seal groove 2171 is provided with an interface seal ring 216, the interface seal ring 216 is also a multi-channel wave seal ring, the mounting flange 217 is seated on the mounting surface, and the interface seal ring 216 is pressed between the mounting flange 217 and the mounting surface, so that the sealing effect is good.

Specifically, the interface seal groove 2171 is provided with an interference protrusion 2172 that can press the interface seal ring 216 to prevent the interface seal ring 216 from falling off. The interference protrusion 2172 may be a cylinder or a half cylinder, which may be provided in plurality and located at a side of the interface seal groove 2171.

In particular, the plug housing 110 or/and the receptacle housing 210 is provided with a wire sequence identification 231 for ease of assembly and use.

Specifically, the plug housing 110 includes a plug rubber core 150 provided therein, the plug rubber core 150 may be integrally formed, the first jack and the first positioning claw 151 may be integrally formed on the plug rubber core 150, the plug terminal 120 passes through the plug rubber core 150, the front end of the plug rubber core 150 is inserted into the second convex ring, one end of the plug cable sealing ring 130 abuts against the rear end of the plug rubber core 150, and the other end of the plug cable sealing ring 130 abuts against the plug tail cover 140; a socket rubber core may be optionally disposed in the socket housing 210, the socket terminal 220 passes through the socket rubber core, the front end of the socket rubber core is inserted into the fourth convex ring 224, one end of the socket cable sealing ring 230 abuts against the rear end of the socket rubber core, and the other end of the socket cable sealing ring 230 abuts against the socket tail cover 240; the plug tail cap 140 and is connected to the plug housing 110 by a first snap-fit arrangement; the socket tail 240 is connected to the plug housing 110 by a second fastening structure, and the structure is reliable.

Specifically, a third fastening structure is disposed between the outer side of the plug rubber core 150 and the plug housing 110; the back-off hole provided by the plug housing 110 is a through hole with double-sided back-off, so as to facilitate the disassembly and maintenance of the plug rubber core 150. A fourth fastening structure is disposed between the outer side of the socket rubber core and the inner side of the socket housing 210, which is convenient for assembly, and the socket rubber core and the plug rubber core 150 are not easy to loosen, so that the reliability is high.

Specifically, at least one side surface of the terminal insulating sleeve 150 is provided with an anti-misplug boss 151, and the plugging hole 218 is provided with an anti-misplug slot matched with the anti-misplug boss 151, so as to prevent accidents caused by misplug.

According to the power terminal connector provided by the embodiment of the utility model, each sealing ring can adopt a multi-channel wave-shaped sealing design, and the first positioning claw 151 and the second positioning claw 211 can be clamped into the clamping groove 212 on the side surface of the terminal (the plug terminal 120 and the socket terminal 220), so that the backspacing of the terminal is limited, and the stability and the reliability of the connector during plugging are ensured. Moreover, the interface sealing ring 180 is arranged at the butt joint of the plug assembly 100 and the socket assembly 200, so that the butt joint is sealed, the waterproof effect is good, the whole socket component is screwed on the panel, the waterproof sealing grade of the single body can reach IP67, the reliability is high, and the socket component is suitable for scenes with high requirements such as outdoors.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, or alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. A power terminal connector comprising a plug assembly and a receptacle assembly;

the plug assembly comprises a plug shell and a plug terminal, wherein the plug shell is provided with a first jack for the plug terminal to be inserted from the rear end, a first clamping groove is formed in the side face of the plug terminal, and a first positioning claw with the front end capable of being clamped in the first clamping groove is arranged on the first jack; a plug cable sealing ring sleeved on the plug cable and attached to the plug shell is arranged in the plug shell near the rear end, and the rear end of the plug shell is connected with a plug tail cover capable of pressing the plug cable sealing ring;

the socket assembly comprises a socket shell and a socket terminal, wherein the socket shell is provided with a second jack for the socket terminal to be inserted from the rear end, a second clamping groove is formed in the side face of the socket terminal, and a second positioning claw with the front end capable of being clamped in the second clamping groove is arranged on the second jack; a socket cable sealing ring sleeved on the socket cable and stuck in the socket shell is arranged in the socket shell near the rear end, and the rear end of the socket shell is connected with a socket tail cover capable of pressing the socket cable sealing ring;

and an interface sealing ring is arranged at the joint of the plug assembly and the socket assembly.

2. The power terminal connector according to claim 1, wherein a snap structure is provided between the plug housing and the socket housing, the snap structure including a snap arm provided outside the plug housing and a snap groove provided in the socket housing, a snap projection provided at a front end of the snap arm to be snapped in the snap groove, and a pressing arm provided at a front end of the plug housing to be suspended above the snap arm.

3. The power terminal connector of claim 1, wherein the first positioning claw has elasticity, the first positioning claw is provided with at least two and front ends are close to each other, and the rear end of the first positioning claw is integrally formed on the inner wall of the plug housing;

the second positioning claw has elasticity, the second positioning claw is provided with at least two and the front ends draw close in opposite directions, and the rear end of the second positioning claw is integrally formed on the inner wall of the plug shell.

4. A power terminal connector as defined in claim 3, wherein said plug terminal is provided with a first collar which can pass through said first positioning pawl and a second collar which can abut against said plug housing, said first collar and second collar being disposed in adjacent spaced relation; the first clamping groove is formed in the root part of one side, facing the second convex ring, of the first convex ring;

the socket terminal is provided with a third convex ring which can penetrate through the second positioning claw and a fourth convex ring which can be propped against the socket shell, and the third convex ring and the fourth convex ring are adjacently arranged at intervals; the second clamping groove is formed in the root of one side, facing the fourth convex ring, of the third convex ring.

5. The power terminal connector according to claim 1, wherein the front end of the plug housing is integrally provided with at least two terminal insulating sleeves, the front end of the terminal insulating sleeve is provided with an opening for inserting a socket terminal, and the plug terminal is a jack terminal and is positioned in the terminal insulating sleeve;

the front end of the plug shell is provided with a first sealing side groove at the root of the terminal insulating sleeve, and the first sealing side groove is provided with an interface sealing ring; the interface sealing ring is a multi-channel wave-shaped sealing ring;

the socket shell is provided with a plug hole for the terminal insulating sleeve to extend into, and the socket terminal is arranged in the plug hole;

the front end of the socket shell is provided with a containing groove which can be sleeved on the interface sealing ring, and the plug holes are provided with at least two plug holes and extend from the bottom of the containing groove to the rear end.

6. The power terminal connector of claim 1, wherein the socket housing is integrally formed of plastic, the socket housing is integrally formed with a mounting flange, the mounting flange is provided with a plurality of mounting through holes for the locking members to pass through, and the mounting through holes are provided with metal bushings;

alternatively, the socket housing is a metal housing.

7. The power terminal connector of claim 6, wherein said metal sleeve has a longitudinal slit, said metal sleeve is interference-locked to said mounting through hole, and both ends of said metal sleeve are not protruded from said mounting flange.

8. The power terminal connector of claim 6, wherein an interface seal groove is formed in the back surface of said mounting flange and is formed in the periphery of said ring socket terminal, said interface seal groove being formed with said interface seal ring;

the interface sealing groove is provided with an interference protrusion which can squeeze the interface sealing ring.

9. The power terminal connector of claim 4, wherein said plug housing includes a plug rubber core disposed therein, said plug terminal passing through said plug rubber core, a front end of said plug rubber core being inserted into said second collar, one end of said plug cable seal ring being abutted against a rear end of said plug rubber core, and the other end of said plug cable seal ring being abutted against said plug tail cap;

the socket shell is internally provided with a socket rubber core, the socket terminal penetrates through the socket rubber core, the front end of the socket rubber core is inserted into the fourth convex ring, one end of the socket cable sealing ring is propped against the rear end of the socket rubber core, and the other end of the socket cable sealing ring is propped against the socket tail cover;

the plug tail cover is connected to the plug shell through a first buckle structure;

the socket tail cover is connected with the plug shell through a second buckle structure;

a third fastening structure is arranged between the outer side of the plug rubber core and the plug shell;

a fourth fastening structure is arranged between the outer side of the socket rubber core and the inner side of the socket shell.

10. The power terminal connector of claim 1, wherein at least one of said terminal insulating sleeves is provided with an anti-misplug boss on a side surface thereof, and said mating hole is provided with an anti-misplug slot for mating with said anti-misplug boss.