WO2018233714A1 - Vehicle side electrical connector - Google Patents

Abstract

A vehicle side electrical connector comprises a mounting seat (12), a high-voltage assembly (13), and a low-voltage assembly (14). The high-voltage assembly comprises high-voltage poles (130), flexible electrical connection members (131), and high-voltage plugs (132). The high-voltage poles penetrate through the mounting seat and each high-voltage pole is provided with an electrical contact end and a terminal. One end of each flexible electrical connection member is connected to the terminal of the corresponding high-voltage pole and the other end is electrically connected to the corresponding high-voltage plug. The low-voltage assembly comprises low-voltage poles (140). The low-voltage poles penetrate through the mounting seat, and the low-voltage poles and the high-voltage poles are disposed at intervals. The vehicle side electrical connector can effectively avoid electrical connection failures or burn-downs and other anomalies caused by connection looseness, and improves the stability of the electrical connection in the vehicle side electrical connector. The high-voltage plugs and the high-voltage poles are electrically connected in a floating manner by means of flexible electrical connection members, which can improve the stability the electrical connections between the high-voltage poles and the high-voltage plugs in the axial movement and the radial rotation, and can improve the safety and the electrical conduction effect of the electrical connector.

Description

Car end electrical connector

This application claims the priority of the Chinese patent application CN 201710488958.3 on June 23, 2017. This application cites the entire text of the above-mentioned Chinese patent application.

Technical field

The present invention relates to the field of electric vehicles, and in particular to a vehicle end electrical connector.

Background technique

The battery installation methods of the existing electric vehicles are generally classified into fixed type and replaceable type, wherein the fixed type of battery is generally fixed on the automobile, and the vehicle is directly charged as the charging object during charging. The replaceable battery is generally installed in a movable manner, and the battery can be removed at any time for replacement or charging, and then installed on the vehicle body after replacement or charging.

The battery of the existing replaceable structure is generally provided with a corresponding mounting position on the body bracket of the vehicle body. After the battery is placed in the mounting position, the battery end electrical connector is connected with the vehicle end electrical connector on the vehicle body, and then the locking is utilized. The device is fixed. In this process, the electrodes of the battery end electrical connector on the battery need to be in contact with the electrodes on the vehicle end electrical connector to ensure power output.

However, the high and low voltage lines in the conventional vehicle end electrical connectors are fixed outlets, and the terminals are rigidly connected. Due to various influences such as environment, temperature, and vehicle body vibration, the contact points may be disconnected and the electrical connections may be made. Unstable, even causing abnormalities such as failure or burnout of electrical connections.

Summary of the invention

The technical problem to be solved by the present invention is to provide a vehicle end electrical connector in order to overcome the defects of the electrical connection instability in the conventional vehicle end electrical connector in the prior art, resulting in failure or burnout of the electrical connection.

The present invention solves the above technical problems by the following technical solutions:

A vehicle end electrical connector is characterized in that it comprises:

Mounting seat

a high pressure assembly, the high pressure assembly comprising:

a high voltage pole, the high voltage pole is disposed in the mounting seat, the high voltage pole has an electrical contact end and a terminal;

a flexible electrical connector, one end of the flexible electrical connector is floatingly and electrically connected to the terminal of the high voltage pole;

a high voltage plug, the high voltage plug being electrically connected to the other end of the flexible electrical connector;

a low voltage assembly, the low voltage assembly including a low voltage pole, the low voltage pole being disposed through the mount and spaced apart from the high voltage pole.

In the present solution, the floating connection is realized at both ends of the high-voltage pole through the flexible electrical connection member, thereby effectively avoiding abnormalities such as failure or burnout of the electrical connection caused by the loose connection, and improving the stability of the electrical connection in the electrical connector of the vehicle end.

In addition, the high voltage plug is electrically connected to the high voltage pole by a flexible electrical connection, which can improve the stability of the electrical connection between the high voltage pole and the high voltage insert in the axial movement and the radial rotation, thereby improving the safety of the electrical connector. Sexual and electrical conduction effects.

Preferably, the end surface of the electrical contact end of the high voltage pole is provided with a groove, the groove is recessed inward along the axial direction of the high voltage pole, and the groove is embedded with the first a conductive elastic member protruding from a contact surface of the electrical contact end.

In the present solution, the electrical contact end of the high voltage pole is provided with a groove, and a first conductive elastic member is disposed in the groove, and the first conductive elastic member is elastically deformed when being pressed by the battery end electrical connector. While eliminating the pressing force, it can also maintain good contact, thereby realizing the high-voltage floating connection between the vehicle end electrical connector and the battery end electrical connector, and adapting to the stable electrical connection of the vehicle body under the vibration condition.

Preferably, the groove is an annular groove, and an axis of the annular groove coincides with an axis of the high voltage pole;

And/or, the first conductive elastic member is a conductive spring;

And/or, the contact surface of the electrical contact end is a flat surface.

In this solution, the contact surface of the electrical contact end is a plane, which can ensure the contact area of the electrical connection between the vehicle end electrical connector and the high voltage pole of the battery end electrical connector, thereby ensuring the reliability of the electrical connection between the two.

Preferably, the terminal of the high voltage pole is provided with a connecting slot, the connecting slot is recessed inward along the axial direction of the high voltage pole, and one end of the flexible electrical connector is crimped A wiring slot is defined, and a second conductive elastic member is pressed between the wiring wall and the inner wall of the connecting groove.

In the present solution, the floating structure between the high voltage pole and the flexible electrical connector is realized by the second conductive elastic member, and the stability of the electrical connection between the high voltage pole and the flexible electrical connector is improved.

Preferably, the flexible electrical connector comprises:

a first electrical connector, one end of the first electrical connector is crimped to the connecting slot, and the second conductive elastic member is pressed between the inner wall of the connecting slot;

a flexible cavity, one end of the flexible cavity is crimped or soldered to the other end of the first electrical connector, and the flexible cavity is located outside the high voltage pole and the high voltage plug, and is made of flexible conductive Made of materials;

a second electrical connector, one end of the second electrical connector is crimped or soldered to the other end of the flexible cavity, and the other end of the second electrical connector is floatingly and electrically connected to the high voltage plug;

a spring, the spring is located in the flexible cavity, and two ends of the spring are respectively connected to the first electrical connector and the second electrical connector.

In the present solution, according to the above structural form, when the flexible electrical connector is in use, the flexible cavity can be elongated or compressed and radially twisted, and can adapt to the relative displacement changes of the axial, radial and other angles between the structural connection and the structural connection. In order to avoid the deterioration of the electrical connection performance due to the change of the relative displacement, the stability of the electrical connection of the vehicle end electrical connector is greatly improved.

In addition, the flexible cavity is crimped or welded to the first electrical connector and the second electrical connector, which enhances the structural connection strength of the flexible electrical connector and ensures stable electrical connection of the flexible electrical connector.

In addition, the spring can effectively strengthen the structural strength of the flexible electrical connector, so that the two ends of the flexible cavity can ensure the electrical connection effect of the flexible electrical connector when the relative displacement changes. Moreover, the spring has a conductive function, which can further improve the stability of the electrical connection between the first electrical connector and the second electrical connector.

Preferably, the flexible cavity is an elastic cavity surrounded by a plurality of flexible conductive strips;

Alternatively, the flexible cavity is an elastic cavity surrounded by a grid-like flexible conductive member;

Alternatively, the flexible cavity is a spherical cavity shaped by a cross-section of metal wires or a spherical cavity that is expanded by a metal conductive tape.

Preferably, the high voltage plug includes a pin, and the other end of the flexible electrical connector is floatingly and electrically connected to the pin of the high voltage plug through a connection socket.

In the present solution, the flexible electrical connector is electrically connected to the high voltage plug through the connection socket, so that the electrical connection between the flexible electrical connector and the high voltage plug is more reliable and stable.

Preferably, one end of the connection socket is provided with a first insertion hole, and the other end of the connection socket is provided with a second insertion hole, and the other end of the flexible electrical connector is crimped into the first insertion hole The pin is floatingly connected in the second socket.

Preferably, a third conductive elastic member is press-fitted between the outer wall surface of the pin and the inner wall surface of the second insertion hole of the connection socket, and the third conductive elastic member is used for the pin The electrical connection is always maintained when the connection sockets float.

In the present embodiment, the floating structure between the pin of the high voltage plug and the connection socket is realized by the third conductive elastic body, and the stability of the electrical connection between the pin of the high voltage plug and the connection socket is improved.

Preferably, the third conductive elastic member is a conductive spring;

And/or a plurality of the third conductive elastic members are pressed between the outer wall surface of the pin and the inner wall surface of the second insertion hole of the connection socket, and the plurality of the third conductive elastic members are along The axial spacing of the pins is set.

Preferably, the vehicle end electrical connector further comprises an insulating sleeve, one end of the insulating sleeve is connected to the mounting seat, the insulating sleeve has a cavity, and the flexible electrical connector is located in the cavity.

In the present solution, the above-mentioned structural form is adopted, the insulating sleeve plays a protective role on the flexible electrical connector, has good insulation and sealing effect on the flexible electrical connector, and improves the safety and stability of the vehicle end electrical connector.

Preferably, the other end of the insulating sleeve is connected with a fixing sleeve, and the connecting socket is disposed in the fixing sleeve.

Preferably, the mounting seat is provided with a mounting hole, and the low-voltage pole is inserted through the mounting hole;

The low pressure assembly further includes a rotary self-cleaning mechanism, and the rotary self-cleaning mechanism includes:

a guiding leg disposed on an outer wall surface of the low-voltage pole and extending outward in a radial direction of the low-voltage pole;

a guiding groove, the guiding groove is disposed on a sidewall of the mounting hole, and when the guiding leg moves into the guiding groove, the guiding leg is slidably disposed on the guiding groove, the guiding leg and the guiding groove Cooperating for defining a direction of rotation of the low voltage pole;

An outer wall surface of the low-voltage pole is sleeved with an elastic member for driving the low-voltage pole to move along a rotation direction of the guiding leg and the guiding groove.

In this solution, the rotation direction of the low-voltage pole is defined by the guiding leg and the guiding groove, and the elastic component drives the low-pressure pole to move along the rotating direction of the guiding groove, thereby achieving the effect of cleaning the terminal contact surface of the low-voltage pole. Improve the stability of the electrical contact of the low voltage pole, thereby improving the stability of the electrical contact of the vehicle end electrical connector.

Preferably, the length direction of the guiding groove forms an angle with the central axis of the low-voltage pole, and the angle is 13-17 degrees.

Preferably, the low voltage pole has an electrical contact end and a terminal, the electrical contact end is located outside the mounting hole, and the terminal is located in the mounting hole;

The low voltage assembly further includes a cable, and one end of the cable is inserted into a terminal of the low voltage pole.

Preferably, the cable located in the mounting hole has a spiral shape.

In the present solution, the above structure is adopted, and the cable can be freely moved in the fixed area without jamming.

Preferably, the vehicle end electrical connector further includes a floating plate, and the floating plate is provided with a floating plate mounting opening, and the mounting seat is fixed to the floating plate and penetrates the floating plate mounting opening.

Preferably, the floating plate is provided with a positioning post, the positioning post extends out of the floating plate and is spaced apart from the high-voltage pole, the positioning post has a positioning end, and the positioning end is located at the Outside the floating plate, and outside the electrical contact end of the high voltage pole in the axial direction of the high voltage pole.

In this solution, the positioning post is arranged such that when the vehicle end electrical connector is in contact with the battery end electrical connector, it is first positioned with the corresponding position of the battery end electrical connector, and then the high voltage pole and the low voltage pole are electrically connected to the battery terminal. The corresponding pole contact on the connector can prevent the high-voltage pole and the low-voltage pole of the vehicle end electrical connector from being damaged due to inaccurate positioning when contacting the high-voltage pole and the low-voltage pole of the battery-side electrical connector, and positioning The column also protects the high-voltage and low-pressure poles after insertion from the forces in the radial direction.

Preferably, the positioning post is fixed to the floating plate, and the positioning end of the positioning post is tapered, and a middle portion of the positioning post is provided with a baffle, and the baffle is from an outer wall surface of the positioning post. Extending radially outward along the positioning post.

In this solution, the other end of the positioning post is tapered, so that the positioning post can be inserted into the corresponding position of the battery end electrical connector, and the baffle can be set to define the height at which the positioning post is inserted into the battery end electrical connector. When the battery end electrical connector is shaken to squeeze the floating plate, it will contact the baffle after moving a certain distance, thereby forming a hard block on the battery end electrical connector and preventing the floating plate from being over-stressed.

Preferably, the vehicle end electrical connector further includes a housing for mounting on a vehicle body bracket, the housing having a receiving cavity, the floating plate being floatingly coupled to the housing, and At least a portion of the mount is located within the receiving cavity, and the flexible electrical connector is located within the receiving cavity.

Preferably, the housing includes a floating mounting portion and an insert mounting portion, the floating mounting portion is located at an outer circumference of a front end of the insert mounting portion, and the insert mounting portion is formed with the receiving chamber, the floating plate Floating connection to the floating mounting portion, the high voltage plug being connected to the insert mounting portion and located outside the receiving cavity.

Preferably, the floating plate and the floating mounting portion are movably connected by a guiding member, the guiding member comprises a guiding sleeve and a guiding screw, the guiding sleeve is mounted on the floating mounting portion, and the guiding screw passes through The floating plate is screwed to the guide sleeve.

Preferably, a protective sleeve is disposed on an outer wall surface of the insert mounting portion that is away from one end of the floating mounting portion, and an outer wall surface of the protective sleeve is provided with a boss;

The high-voltage plug includes a high-pressure outer casing, and one end of the high-pressure outer casing is inserted into the protective sleeve, and an outer wall surface of the high-pressure outer casing is rotatably connected with a buckle, and the buckle is locked on the boss.

In this solution, the high-voltage plug can be easily and reliably fixed to the protective sleeve of the insert mounting portion by the latching on the boss, and the high-voltage plug can be conveniently removed from the protective sleeve of the insert mounting portion. .

Preferably, an outer wall surface of one end of the high pressure outer casing is sealingly connected with an inner wall surface of the protective sleeve.

With the above structure, a sealing structure can be formed between the high voltage plug and the protective sleeve of the insert mounting portion, thereby preventing external water from entering the insert mounting portion and the inside of the high voltage plug, thereby improving the safety of the high voltage plug.

Preferably, the housing is formed by integral die casting of aluminum alloy.

Preferably, the floating mounting portion is provided with at least three connecting holes not in the same straight line, and the at least three connecting holes are used for mounting the floating mounting portion on the body bracket.

In the present solution, at least three connecting holes not located on the same straight line are disposed on the floating mounting portion, which can ensure the stability and firmness of the vehicle end electrical connector mounted on the vehicle body bracket, thereby ensuring the vehicle during the running of the vehicle. The stability of the electrical connection between the terminal electrical connector and the battery terminal electrical connector.

Preferably, a sealing groove is disposed on a surface of the floating mounting portion opposite to the floating plate, and a sealing strip is installed in the sealing groove, and the floating plate is in contact with the sealing strip.

In this solution, a sealing strip is installed in the sealing groove, and a sealing structure can be formed between the floating plate and the floating mounting portion, thereby preventing external water from entering the inside of the plug mounting portion and improving the safety of the high voltage plug.

Preferably, the vehicle end electrical connector further includes a sealing ring covering the outer peripheral wall of the floating mounting portion and the entire outer peripheral wall of the floating plate.

In the present solution, the sealing ring can be elastically sealed between the vehicle end electrical connector and the battery end electrical connector to improve the waterproof performance of the battery and the electrical connector, and can be used when the vehicle body is shaken. A certain amount of activity is set aside to improve the stability of the electrical connection between the electrical connector of the vehicle end and the electrical connector of the battery end, and the sealing state can be maintained under a certain pressure, thereby improving the sealing effect.

Preferably, the sealing ring comprises:

a strip-shaped annular ring body, the strip-shaped annular ring body covering the outer peripheral wall of the floating mounting portion and the entire outer peripheral wall of the floating plate;

a first engaging portion, the first engaging portion is disposed on an inner wall surface of one end of the strip-shaped annular ring body connected to the floating mounting portion, and the first engaging portion is connected to the floating installation a side of the portion that faces away from the floating plate;

a second engaging portion, the second engaging portion is disposed on an inner wall surface of one end of the strip-shaped annular ring body connected to the floating plate, and the second engaging portion is connected to the floating plate Leaving away from one side of the floating mounting portion.

In this solution, the sealing ring encloses the floating mounting portion and the floating plate at the same time by the embracing type, and the waterproof effect is better.

In addition, the first engaging portion and the second engaging portion are respectively fixedly connected to the floating mounting portion and the floating plate, thereby effectively improving the stability of the structural connection between the sealing ring and the floating mounting portion and the floating plate, and preventing the sealing ring from falling off, and The sealing is good and the waterproof effect is obvious.

Preferably, a first locking portion is disposed on a side of the first engaging portion that is connected to the floating mounting portion, and a first card slot is disposed on a side of the floating mounting portion facing away from the floating plate. The first locking portion is latched in the first card slot.

In the present solution, the first locking portion is locked in the first card slot, which can further strengthen the connection strength between the sealing ring and the floating mounting portion, thereby effectively improving the stability of the connection and use of the sealing ring and the floating mounting portion.

Preferably, a side of the second engaging portion that is connected to the floating plate is provided with a second locking portion, and a side of the floating plate that faces away from the floating mounting portion is provided with a second card slot, The second locking portion is latched in the second card slot.

In this solution, the second locking portion is locked in the second card slot, which can further strengthen the connection strength between the sealing ring and the floating plate, and effectively improve the stability of the sealing ring and the floating plate during connection and use.

Preferably, the first locking portion and the second locking portion are bumps, convex rings or ridges.

Based on the common knowledge in the art, the above various preferred conditions can be arbitrarily combined to obtain preferred embodiments of the present invention.

The positive effects of the present invention are:

The invention realizes the floating connection at both ends of the high-voltage pole by the flexible electrical connection member, effectively avoids the abnormality such as the failure or the burn-out of the electrical connection caused by the loose connection, and improves the stability of the electrical connection in the electrical connector of the vehicle end. In addition, the high voltage plug is electrically connected to the high voltage pole by a flexible electrical connection, which can improve the stability of the electrical connection between the high voltage pole and the high voltage insert in the axial movement and the radial rotation, thereby improving the safety of the electrical connector. Sexual and electrical conduction effects.

DRAWINGS

1 is a schematic structural view of a positional state of a vehicle end electrical connector according to a preferred embodiment of the present invention.

2 is a schematic structural view of another position state of a vehicle end electrical connector according to a preferred embodiment of the present invention.

3 is a front view showing the structure of a vehicle end electrical connector according to a preferred embodiment of the present invention.

Figure 4 is a cross-sectional structural view taken along line A-A of Figure 3;

Figure 5 is a cross-sectional view showing the structure taken along line B-B of Figure 3;

6 is a schematic structural view of a high voltage plug of a vehicle end electrical connector according to a preferred embodiment of the present invention.

7 is a schematic structural view of a portion of a flexible electrical connector of a vehicle end electrical connector in accordance with a preferred embodiment of the present invention.

FIG. 8 is a partial structural schematic view of a low voltage component of a vehicle end electrical connector according to a preferred embodiment of the present invention.

FIG. 9 is a schematic structural view of a low voltage pole of a vehicle end electrical connector according to a preferred embodiment of the present invention.

Description of the reference signs:

Car end electrical connector: 1; housing: 10; floating mounting: 100; connecting hole: 1000; sealing groove: 1001; sealing strip: 1002; first card slot: 1003; plug mounting portion: 101; protective cover: 1010; boss: 1011; receiving cavity: 102; floating plate: 11; second card slot: 110; floating plate mounting port: 111; positioning column: 112; positioning end: 1120; mounting seat: 12; high-pressure mounting hole: 120; low pressure mounting hole: 121; high voltage component: 13; high voltage pole: 130; groove: 1300; wiring slot: 1301; flexible electrical connector: 131; first electrical connector: 1310; flexible cavity: 1311; Second electrical connector: 1312; spring: 1313; high voltage plug: 132; high voltage housing: 1320; insulator: 1321; pin: 1322; latch: 1323; connecting socket: 133; first jack: 1330; Jack: 1331; second conductive elastic member: 134; third conductive elastic member: 135; fourth conductive elastic member: 136; insulating sleeve: 137; cavity: 1370; fixed sleeve: 138; low pressure component: 14; Pole: 140; guide foot: 141; guide groove: 142; elastic member: 143; cable: 144; Positioning groove: 145; guiding member: 15; guiding sleeve: 150; guiding screw: 151; sealing ring: 16; strip-shaped annular ring body: 160; first engaging portion: 161; second engaging portion: 162; One card stop: 163; second card stop: 164

Detailed ways

The invention will be described more clearly and fully hereinafter with reference to the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", The orientation or positional relationship of the "inside", "outside", "outside" and the like is based on the orientation or positional relationship shown in the drawings, and is merely for the convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated device or The elements must have a particular orientation, are constructed and operated in a particular orientation and are therefore not to be construed as limiting.

1-3 show a schematic structural view of a vehicle end electrical connector 1. The vehicle end electrical connector 1 includes a housing 10, a floating plate 11, a mount 12, a high voltage assembly 13 and a low pressure assembly 14. The housing 10 is for mounting on a body bracket, and the housing 10 is formed by die-casting of an aluminum alloy. The housing 10 includes a floating mounting portion 100 and a card mounting portion 101. The card mounting portion 101 is formed with a receiving cavity 102, and the floating mounting portion 100 is located at an outer periphery of the front end of the card mounting portion 101.

The floating mounting portion 100 is provided with at least three connecting holes 1000 not in the same straight line, and the at least three connecting holes 1000 are used for mounting the floating mounting portion 100 on the body bracket. This can ensure the stability and firmness of the vehicle end electrical connector 1 on the vehicle body bracket, thereby ensuring the stability of the electrical connection between the vehicle end electrical connector 1 and the battery terminal electrical connector during the running of the vehicle. In this embodiment, as shown in FIG. 2, the floating mounting portion 100 is provided with four connecting holes 1000, wherein two ends of the floating mounting portion 100 are respectively provided with two connecting holes 1000.

3 and 5, the floating plate 11 is floatingly connected to the floating mounting portion 100. The floating plate 11 and the floating mounting portion 100 are movably connected by the guide 15. The guide member 15 includes a guide sleeve 150 and a guide screw 151 mounted on the floating mounting portion 100, and the guide screw 151 is screwed through the floating plate 11 to the guide sleeve 150. In this embodiment, four guiding members 15 may be disposed, and two guiding members 15 are respectively disposed at two ends of the floating mounting portion 100.

As shown in FIG. 4, a sealing groove 1001 is disposed on a surface of the floating mounting portion 100 opposite to the floating plate 11, and a sealing strip 1002 is mounted in the sealing groove 1001. The floating plate 11 is in contact with the sealing strip 1002. . This can form a sealing structure between the floating plate 11 and the floating mounting portion 100, thereby preventing external water from entering the inside of the insert mounting portion 101, and improving the safety of the high voltage plug 132.

The vehicle end electrical connector 1 further includes a seal ring 16 that covers the outer peripheral wall of the floating mounting portion 100 and the entire outer peripheral wall of the floating plate 11. This can form an elastic seal between the vehicle end electrical connector 1 and the battery end electrical connector, thereby improving the waterproof performance of the battery and the electrical connector, and allowing a certain amount of activity when the vehicle body is shaken. The stability of the electrical connection between the vehicle end electrical connector 1 and the battery end electrical connector is improved, and the sealing state can be maintained under a certain pressure, thereby improving the sealing effect. Preferably, the seal ring 16 covers the entire outer peripheral wall of the floating mounting portion 100 and the entire outer peripheral wall of the floating plate 11.

The sealing ring 16 includes a strip-shaped annular ring body 160 , a first engaging portion 161 and a second engaging portion 162 . The band-shaped annular ring body 160 covers the outer peripheral wall of the floating mounting portion 100 and the entire outer peripheral wall of the floating plate 11. The first engaging portion 161 is disposed on an inner wall surface of one end of the band-shaped annular ring body 160 that is connected to the floating mounting portion 100, and the first engaging portion 161 is coupled to a side of the floating mounting portion 100 that faces away from the floating plate 11. The second engaging portion 162 is disposed on an inner wall surface of one end of the strip-shaped annular ring body 160 that is connected to the floating plate 11 , and the second engaging portion 162 is coupled to a side of the floating plate 11 that faces away from the floating mounting portion 100 . The sealing ring 16 encloses the floating mounting portion 100 and the floating plate 11 at the same time by an embracing type, and the waterproof effect is better. The first mounting portion 161 and the second engaging portion 162 are respectively fixedly connected to the floating mounting portion 100 and the floating plate 11, thereby effectively improving the stability of the structural connection between the sealing ring 16 and the floating mounting portion 100 and the floating plate 11, and preventing The sealing ring 16 is detached, and the sealing property is good, and the waterproof effect is obvious.

In addition, a first locking portion 163 is disposed on a side of the first engaging portion 161 that is connected to the floating mounting portion 100, and a first card is disposed on a side of the floating mounting portion 100 that faces away from the floating panel 11. In the slot 1003 , the first locking portion 163 is engaged with the first card slot 1003 . A second locking portion 164 is disposed on a surface of the second engaging portion 162 that is connected to the floating plate 11. The second locking portion 164 is disposed on a side of the floating plate 11 facing away from the floating mounting portion 100. The second locking portion 164 is disposed. The card is disposed in the second card slot 110. This can further strengthen the connection strength between the seal ring 16 and the floating mounting portion 100 and between the seal ring 16 and the floating plate 11, effectively improving the stability of the connection and use of the seal ring 16 and the floating mounting portion 100.

Preferably, the first locking portion 163 and the second locking portion 164 are bumps, convex rings or ridges. Further preferably, the first locking portion 163 and the second locking portion 164 are both T-shaped locking portions.

As shown in FIG. 4 , the floating plate 11 is provided with a floating plate mounting opening 111 , and the mounting seat 12 is fixed to the floating plate 11 and penetrates the floating plate mounting opening 111 . And at least part of the mount 12 is located within the receiving cavity 102 of the housing 10. The mounting seat 12 is provided with a high voltage mounting hole 120.

The high voltage assembly 13 includes a high voltage pole 130, a flexible electrical connector 131, and a high voltage plug 132. The high-voltage pole 130 is inserted through the high-pressure mounting hole 120 and is slidably disposed in the high-pressure mounting hole 120 along the axial direction of the high-pressure mounting hole 120. The outer wall surface of the high voltage pole 130 is sleeved with an elastic member (not shown) in which the elastic member is located. And one end of the elastic member abuts against the high-pressure mounting hole 120, and the other end of the elastic member abuts against the high-voltage pole 130.

The outer wall surface of the high voltage pole 130 is sleeved with an elastic member, and the high voltage pole 130 maintains a certain elasticity and elasticity after contacting the conductive terminals of the battery end electrical connector, thereby improving the contact effect of the contact point and enabling the high voltage pole 130 to withstand The pressing force in the vertical direction, that is, the pressing force in the axial direction of the high-voltage pole 130, can be prevented from being hard damaged, and the service life of the high-voltage pole 130 can be improved.

The high voltage pole 130 has an electrical contact end and a terminal. A flexible electrical connector 131 is located within the receiving cavity 102. One end of the flexible electrical connector 131 is floatingly and electrically connected to the terminal of the high voltage pole 130. The other end of the flexible electrical connector 131 is floatingly and electrically connected to the high voltage plug 132. The flexible electrical connection member 131 enables the two ends of the high voltage pole 130 to achieve a floating connection, thereby effectively avoiding abnormalities such as failure or burnout of the electrical connection, and improving the stability of the electrical connection in the vehicle end electrical connector 1. The high voltage plug 132 is floatingly and electrically connected to the high voltage pole 130 through the flexible electrical connector 131, which can improve the stability of the electrical connection of the high voltage pole 130 and the high voltage insert in the axial movement and the radial rotation, thereby improving the safety of the electrical connector. Sexual and electrical conduction effects.

In addition, a recess 1300 is formed on an end surface of the electrical contact end of the high voltage pole 130, and the recess 1300 is recessed inward along the axial direction of the high voltage pole 130. A first conductive elastic member (not shown) is embedded in the recess 1300, and the first conductive elastic member protrudes from a contact surface of the electrical contact end. When pressed by the battery end electrical connector, the first conductive elastic member is elastically deformed, and the contact force is eliminated, and good contact is maintained, thereby realizing the vehicle end electrical connector 1 and the battery end electrical connector. The high-voltage floating connection adapts to the stable electrical connection between the two in the case of vehicle body vibration.

Preferably, the groove 1300 is an annular groove whose axis coincides with the axis of the high voltage pole 130. The first conductive elastic member is a conductive spring. Further preferably, the contact surface of the electrical contact end of the high voltage pole 130 is planar. In this way, the contact area of the electrical connection between the vehicle end electrical connector 1 and the high voltage pole 130 of the battery end electrical connector can be ensured, thereby ensuring the reliability of the electrical connection between the two.

In addition, the terminal of the high voltage pole 130 is provided with a connecting slot 1301, and the connecting slot 1301 is recessed inward along the axial direction of the high voltage pole 130. One end of the flexible electrical connector 131 is crimped to the connecting slot 1301 , and a second conductive elastic member 134 is pressed between the inner wall of the connecting slot 1301 . The floating connection between the high voltage pole 130 and the flexible electrical connector 131 is achieved by the second conductive elastic member 134, which improves the stability of the electrical connection between the high voltage pole 130 and the flexible electrical connector 131.

As understood with reference to FIG. 7, the flexible electrical connector 131 includes a first electrical connector 1310, a flexible cavity 1311, a second electrical connector 1312, and a spring 1313. One end of the first electrical connector 1310 is crimped to the connecting slot 1301 of the high voltage pole 130, and the second conductive elastic member 134 is press-fitted between the inner wall of the connecting slot 1301. In this embodiment, the second conductive elastic member 134 is a conductive spring, and the second conductive elastic member 134 may be disposed at two. The two second conductive elastic members 134 are spaced apart along the length direction of the first electrical connector 1310.

In addition, one end of the flexible cavity 1311 is crimped or soldered to the other end of the first electrical connector 1310. And a flexible cavity 1311 is located outside the high voltage pole 130 and the high voltage plug 132 and is made of a flexible conductive material. Preferably, the flexible cavity 1311 is an elastic cavity surrounded by a plurality of flexible conductive strips; or the flexible cavity 1311 is an elastic cavity surrounded by a mesh-shaped flexible conductive member. Alternatively, the flexible cavity 1311 is a spherical cavity which is formed by a cross-section of metal wires or is expanded into a spherical shape by a metal conductive tape.

One end of the second electrical connector 1312 is crimped or soldered to the other end of the flexible cavity 1311 , and the other end of the second electrical connector 1312 is floatingly and electrically connected to the high voltage plug 132 . The spring 1313 is located in the flexible cavity 1311 , and the two ends of the spring 1313 are respectively connected to the first electrical connector 1310 and the second electrical connector 1312 . When the flexible electrical connector 131 is in use, the flexible cavity 1311 can be elongated or compressed and radially twisted, and can accommodate relative displacement changes at various angles, such as axial, radial, and the like, to avoid changes in relative displacement. The electrical connection performance is deteriorated, and the stability of the electrical connection of the vehicle end electrical connector 1 is greatly improved.

The flexible cavity 1311 is crimped or soldered to the first electrical connector 1310 and the second electrical connector 1312 to enhance the structural connection strength of the flexible electrical connector 131 and ensure stable electrical connection of the flexible electrical connector 131. The spring 1313 can effectively strengthen the structural strength of the flexible electrical connector 131, so that the two ends of the flexible cavity 1311 can also ensure the electrical connection effect of the flexible electrical connector 131 when the relative displacement changes. Moreover, the spring 1313 has a conductive function, which can further improve the stability of the electrical connection between the first electrical connector 1310 and the second electrical connector 1312.

4 and 6, the high voltage plug 132 is coupled to the insert mounting portion 101 and located outside of the receiving chamber 102. A protective cover 1010 is disposed on an outer wall surface of the insert mounting portion 101 away from the one end of the floating mounting portion 100. The outer wall surface of the protective cover 1010 is provided with a boss 1011.

The high voltage plug 132 includes a high voltage housing 1320, an insulator 1321, and a pin 1322. The insulator 1321 is bored and fixed to the inside of the high voltage housing. The pin 1322 is bored and fixed to the inside of the insulator 1321.

One end of the high-pressure housing 1320 is inserted into the protective cover 1010 , and the outer wall surface of the high-pressure housing 1320 is rotatably connected with a latch 1323 , and the latch 1323 is latched on the boss 1011 . The latch 1323 is locked to the boss 1011, so that the high voltage plug 132 can be fixed to the protective cover 1010 of the plug mounting portion 101 very conveniently and reliably, and the high voltage plug 132 can be conveniently removed from the protective sleeve of the plug mounting portion 101. Disassembled on the 1010.

In addition, an outer wall surface of one end of the high pressure outer casing 1320 is sealingly connected with an inner wall surface of the protective cover 1010. This can form a sealing structure between the high voltage plug 132 and the protective cover 1010 of the card mounting portion 101, thereby preventing external water from entering the inside of the card mounting portion 101 and the high voltage plug 132, improving the safety of the high voltage plug 132.

In addition, the other end of the flexible electrical connector 131 is floatingly and electrically connected to the pin 1322 of the high voltage plug 132 through a connection socket 133. This makes the electrical connection between the flexible electrical connector 131 and the high voltage plug 132 more reliable and stable.

Specifically, one end of the connection socket 133 is provided with a first insertion hole 1330, and the other end of the connection socket 133 is provided with a second insertion hole 1331. The other end of the flexible electrical connector 131 is crimped into the first receptacle 1330, and the outer wall surface of the other end of the flexible electrical connector 131 is pressed against the inner wall surface of the first receptacle 1330 of the connection socket 133. A fourth conductive elastic member 136 is provided for maintaining an electrical connection at all times when floating between the flexible electrical connector 131 and the connection socket 133. In the present embodiment, the fourth conductive elastic member 136 is press-fitted between the outer wall surface of the other end of the second electrical connector 1312 and the inner wall surface of the first receptacle 1330 of the connection socket 133. Moreover, the fourth conductive elastic member 136 is a conductive spring, and the fourth conductive elastic member 136 may be disposed at two, and the two fourth conductive elastic members 136 are spaced apart along the length direction of the second electrical connecting head 1312.

As shown in FIG. 4, the pin 1322 is floatingly connected to the second insertion hole 1331. A third conductive elastic member 135 is press-fitted between the outer wall surface of the pin 1322 and the inner wall surface of the second insertion hole 1331 of the connection socket 133. The third conductive elastic member 135 is for maintaining an electrical connection at all times when floating between the pin 1322 and the connection socket 133. The floating connection between the pin 1322 of the high voltage plug 132 and the connection socket 133 is achieved by the third conductive elastomer, which improves the stability of the electrical connection between the pin 1322 of the high voltage plug 132 and the connection socket 133.

Preferably, the third conductive elastic member 135 is a conductive spring. A plurality of third conductive elastic members 135 are pressed between the outer wall surface of the pin 1322 and the inner wall surface of the second insertion hole 1331 of the connection socket 133, and the plurality of third conductive elastic members 135 are along the axial direction of the pin 1322 Interval setting.

In addition, the vehicle end electrical connector 1 further includes an insulating sleeve 137. One end of the insulating sleeve 137 is connected to the mounting seat 12, and the other end of the insulating sleeve 137 is connected with a fixing sleeve 138. The retaining sleeve 138 is coupled to the insert mounting portion 101 of the housing 10 and at least a portion of the retaining sleeve 138 is located within the boot 1010 of the housing 10. The connecting socket 133 is disposed in the fixing sleeve 138 . In the present embodiment, the high pressure housing 1320 of the high voltage plug 132 and the bottom of the insulator 1321 are disposed between the outer wall surface of the fixing sleeve 138 and the inner wall surface of the protective cover 1010.

In addition, the insulating sleeve 137 has a cavity 1370, and the flexible electrical connector 131 is located within the cavity 1370. The insulating sleeve 137 has a protective effect on the flexible electrical connector 131, has good insulation and sealing effect on the flexible electrical connector 131, and improves the safety and stability of the vehicle end electrical connector 1.

As shown in FIG. 4, the low pressure assembly 14 includes a low pressure pole 140 and a rotating self-cleaning mechanism. The mounting seat 12 is provided with a low-voltage mounting hole 121 that is disposed through the low-voltage mounting hole 121 and spaced apart from the high-voltage pole 130.

As understood with reference to Figures 8-9, the rotary self-cleaning mechanism includes a guide leg 141 and a guide slot 142. The guide leg 141 is provided on the outer wall surface of the low-voltage pole 140 and extends outward in the radial direction of the low-voltage pole 140. The guide groove 142 is provided at a side wall of the low pressure mounting hole 121. When the guiding leg 141 moves into the guiding groove 142, the guiding leg 141 is slidably disposed on the guiding groove 142, and the guiding leg 141 cooperates with the guiding groove 142 for defining the rotation direction of the low-voltage pole 140. The outer wall surface of the low-voltage pole 140 is sleeved with an elastic member 143 for driving the low-pressure pole 140 to move in the rotational direction of the guiding leg 141 and the guiding groove 142.

In this embodiment, the rotation direction of the low-voltage pole 140 is defined by the guiding leg 141 and the guiding groove 142, and the low-pressure pole 140 is moved by the elastic member 143 in the rotating direction of the guiding groove 142 to reach the clean low-voltage pole. The effect of the terminal contact surface of 140 improves the stability of the electrical contact of the low voltage pole 140, thereby improving the stability of the electrical contact of the vehicle end electrical connector 1. The elastic member 143 is disposed such that the low-voltage pole 140 maintains a certain telescopic elasticity after contacting the conductive terminals of the battery-end electrical connector, can improve the contact effect of the contact point, and enables the low-voltage pole 140 to withstand the vertical pressing force. That is, it can withstand the pressing force in the axial direction of the low-voltage pole 140 to avoid hard damage and improve the service life of the low-voltage pole 140.

The longitudinal direction of the guiding groove 142 forms an angle with the central axis of the low-voltage pole 140, and the angle is 13-17 degrees. Preferably, the included angle is 15 degrees. Thus, the purpose of cleaning the terminal contact surface of the low-voltage pole 140 can be achieved by defining the direction of rotation of the low-voltage pole 140 by the included angle.

The low voltage pole 140 has an electrical contact end and a terminal. The electrical contact end is located outside the low voltage mounting hole 121, and the terminal is located in the low voltage mounting hole 121. The low voltage assembly 14 further includes a cable 144 having one end of the cable 144 interposed at the terminal of the low voltage pole 140.

Preferably, the cable 144 located within the low voltage mounting hole 121 is spiral in shape. This ensures that the cable 144 is free to move in a fixed area and that no jamming occurs.

Further preferably, the number of the guiding legs 141 and the guiding groove 142 are several, and the plurality of guiding legs 141 are arranged along the circumferential direction of the low-voltage pole 140, and the plurality of guiding grooves 142 are arranged along the circumferential direction of the low-pressure mounting hole 121, and the plurality of guiding grooves The 142 is disposed in one-to-one correspondence with the plurality of guiding legs 141. In the present embodiment, the number of the guide legs 141 and the guide grooves 142 is three. Thus, by setting the number of the guide legs 141 to three and the position of the guide legs 141, the movement of the low-voltage pole 140 during rotation is more stable. In other embodiments, the number of the guiding legs 141 and the guiding grooves 142 may also be two, four or other values, and the guiding legs 141 are evenly spaced along the circumferential direction of the low-voltage poles 140.

A limiting slot 145 is defined in the sidewall of the mounting hole. One end of the limiting slot 145 is adjacent to and communicates with the guiding slot 142. The guiding leg 141 is latched in the limiting slot 145. In this way, by setting the limiting slot 145, the normal guiding leg 141 is limited to ensure that the guiding leg 141 is reciprocally rotated and moved back to the same fixed position, thereby improving the precision of each reciprocating rotation of the low-voltage pole 140. Sex.

When the low-voltage pole 140 of the battery-end electrical connector is electrically connected to the low-voltage pole 140 of the vehicle-side electrical connector 1, the force transmitted along the contact-facing low-voltage pole 140 is generated due to the electrical connection, at which the force is initial The state of the elastic member is compressed, and at the same time, the low-voltage pole 140 is moved in the direction of the force, and the guide leg 141 is disposed on the low-pressure pole 140, and the guide groove 142 is disposed on the side wall of the mounting hole corresponding to the guide leg 141. The direction of the guiding groove 142 and the guiding leg 141 cooperate with the guiding groove 142 to guide and define the low-pressure pole 140 to move while rotating; on the other hand, when the force is cancelled, the elastic member is released, and is restored to During the initial state, the low-voltage pole 140 is driven to move in the opposite direction of the rotation direction of the guiding groove 142, thereby completing the reciprocating rotational movement, and the terminal contact surfaces of the low-voltage pole 140 are frictionally generated to reach the clean low-voltage pole 140. The effect of the terminal contact surface improves the stability of the electrical contact of the low voltage pole 140.

In one embodiment of the present invention, the high voltage poles 130 may be disposed at two ends and respectively located at two ends of the mounting seat 12, and the low voltage poles 140 may be disposed in plurality and distributed between the two high voltage poles 130. For example, in the present embodiment, the low-voltage poles 140 are provided with three rows of upper, middle and lower rows and are distributed in the number of 7, 6, and 7.

As shown in FIG. 4 , the floating plate 11 is provided with a positioning post 112 , and the positioning post 112 extends out of the floating plate 11 and is spaced apart from the high-voltage pole 130 . The positioning post 112 has a positioning end 1120 which is located outside the floating plate 11 and is located outside the electrical contact end of the high voltage pole 130 in the axial direction of the high voltage pole 130. In this way, when the vehicle end electrical connector 1 is in contact with the battery end electrical connector, it is first positioned with the corresponding position of the battery end electrical connector, and then the high voltage pole post 130 and the low voltage pole post 140 correspond to the battery end electrical connector. The pole contact can prevent the high voltage pole 130 and the low voltage pole 140 of the vehicle end electrical connector 1 from being damaged due to inaccurate positioning when contacting the high voltage pole 130 and the low voltage pole 140 of the battery end electrical connector, and positioning The post 112 also protects the plugged high voltage post 130 and low voltage post 140 from forces in the radial direction.

In addition, the positioning post 112 is fixed to the floating plate 11 , and the positioning end 1120 of the positioning post 112 is tapered. This facilitates the insertion of the positioning post 112 to the corresponding position of the battery end electrical connector.

In addition, a middle portion of the positioning post 112 is provided with a baffle (not shown) extending outward from the outer wall surface of the positioning post 112 along the radial direction of the positioning post 112. In this way, the height of the positioning post 112 can be limited to be inserted into the battery end electrical connector. When the battery end electrical connector is shaken to squeeze the floating plate 11, it will contact the baffle after moving a certain distance, thereby facing the battery end. The electrical connector forms a rigid barrier that prevents the floating plate 11 from being overstressed.

In this embodiment, the positioning posts 112 may be disposed at two ends, and are respectively installed at two ends of the mounting seat 12 and located outside the high voltage poles 130.

While the invention has been described with respect to the embodiments of the present invention, it is understood that the scope of the invention is defined by the appended claims. A person skilled in the art can make various changes or modifications to the embodiments without departing from the spirit and scope of the invention, and such changes and modifications fall within the scope of the invention.

Claims (20)

1. A vehicle end electrical connector, characterized in that it comprises:

   Mounting seat

   a high pressure assembly, the high pressure assembly comprising:

   a high voltage pole, the high voltage pole is disposed in the mounting seat, the high voltage pole has an electrical contact end and a terminal;

   a flexible electrical connector, one end of the flexible electrical connector is floatingly and electrically connected to the terminal of the high voltage pole;

   a high voltage plug, the high voltage plug being electrically connected to the other end of the flexible electrical connector;

   a low voltage assembly, the low voltage assembly including a low voltage pole, the low voltage pole being disposed through the mount and spaced apart from the high voltage pole.
2. The vehicle end electrical connector according to claim 1, wherein an end surface of said electrical contact end of said high voltage pole is provided with a groove, said groove being axially inward along said high voltage pole Recessed, the first conductive elastic member is embedded in the groove, and the first conductive elastic member protrudes from the contact surface of the electrical contact end;

   Preferably, the groove is an annular groove, an axis of the annular groove coincides with an axis of the high voltage pole; and/or the first conductive elastic member is a conductive spring; and/or The contact surface of the electrical contact end is a flat surface.
3. The vehicle end electrical connector according to claim 1 or 2, wherein said terminal of said high voltage pole is provided with a wiring groove, said wiring groove being axially inward along said high voltage pole And recessed, one end of the flexible electrical connector is crimped to the connecting slot, and a second conductive elastic member is pressed between the inner wall of the connecting slot.
4. The vehicle end electrical connector of claim 3 wherein said flexible electrical connector comprises:

   a first electrical connector, one end of the first electrical connector is crimped to the connecting slot, and the second conductive elastic member is pressed between the inner wall of the connecting slot;

   a flexible cavity, one end of the flexible cavity is crimped or soldered to the other end of the first electrical connector, and the flexible cavity is located outside the high voltage pole and the high voltage plug, and is made of flexible conductive Made of materials;

   a second electrical connector, one end of the second electrical connector is crimped or soldered to the other end of the flexible cavity, and the other end of the second electrical connector is floatingly and electrically connected to the high voltage plug;

   a spring, the spring is located in the flexible cavity, and two ends of the spring are respectively connected to the first electrical connector and the second electrical connector;

   Preferably, the flexible cavity is an elastic cavity surrounded by a plurality of flexible conductive strips; or the flexible cavity is an elastic cavity surrounded by a mesh-shaped flexible conductive member; Alternatively, the flexible cavity is a spherical cavity shaped by a cross-section of metal wires or a spherical cavity that is expanded by a metal conductive tape.
5. A vehicle end electrical connector according to any one of claims 1 to 4, wherein said high voltage plug comprises a pin, and the other end of said flexible electrical connector passes through a connection socket and said high voltage plug The pin is floating electrical connection.
6. The vehicle end electrical connector according to claim 5, wherein one end of the connection socket is provided with a first insertion hole, and the other end of the connection socket is provided with a second insertion hole, the flexible electrical connector The other end is crimped into the first socket, and the pin is floatingly connected to the second socket;

   Preferably, a third conductive elastic member is press-fitted between the outer wall surface of the pin and the inner wall surface of the second insertion hole of the connection socket, and the third conductive elastic member is used for the pin The electrical connection is always maintained when the connection socket floats;

   More preferably, the third conductive elastic member is a conductive spring; and/or a plurality of the third portions are pressed between an outer wall surface of the pin and an inner wall surface of the second socket of the connection socket. The conductive elastic member is provided with a plurality of the third conductive elastic members spaced along the axial direction of the pin.
7. The vehicle end electrical connector according to claim 5 or 6, wherein the vehicle end electrical connector further comprises an insulating sleeve, one end of the insulating sleeve is connected to the mounting seat, and the insulating sleeve has an empty The flexible electrical connector is located in the cavity; preferably, the other end of the insulating sleeve is connected with a fixing sleeve, and the connecting socket is disposed in the fixing sleeve.
8. The vehicle end electrical connector according to any one of claims 1 to 7, wherein the mounting seat is provided with a mounting hole, and the low voltage pole is disposed through the mounting hole;

   The low pressure assembly further includes a rotary self-cleaning mechanism, and the rotary self-cleaning mechanism includes:

   a guiding leg disposed on an outer wall surface of the low-voltage pole and extending outward in a radial direction of the low-voltage pole;

   a guiding groove, the guiding groove is disposed on a sidewall of the mounting hole, and when the guiding leg moves into the guiding groove, the guiding leg is slidably disposed on the guiding groove, the guiding leg and the guiding groove Cooperating for defining a direction of rotation of the low voltage pole;

   An outer wall surface of the low-voltage pole is sleeved with an elastic member for driving the low-voltage pole to move along a rotation direction of the guiding leg and the guiding groove.
9. The vehicle end electrical connector according to claim 8, wherein a length direction of the guiding groove forms an angle with a central axis of the low-voltage pole, and the angle is 13-17 degrees;

   Preferably, the low voltage pole has an electrical contact end and a terminal, the electrical contact end is located outside the mounting hole, and the terminal is located in the mounting hole; the low voltage component further comprises a cable, One end of the cable is inserted into the terminal of the low voltage pole;

   More preferably, the shape of the cable located in the mounting hole is spiral.
10. The vehicle end electrical connector according to claim 8 or 9, wherein the vehicle end electrical connector further comprises a floating plate, the floating plate is provided with a floating plate mounting opening, and the mounting seat is fixed at the The floating plate is inserted through the floating plate mounting opening.
11. The vehicle end electrical connector according to claim 10, wherein the floating plate is provided with a positioning post, the positioning post extends out of the floating plate and is spaced apart from the high voltage pole, the positioning The column has a positioning end, the positioning end is located outside the floating plate, and is located outside the electrical contact end of the high voltage pole in the axial direction of the high voltage pole;

    Preferably, the positioning post is fixed to the floating plate, and the positioning end of the positioning post is tapered, and a middle portion of the positioning post is provided with a baffle, and the baffle is from an outer wall surface of the positioning post. Extending radially outward along the positioning post.
12. A vehicle end electrical connector according to claim 10 or 11, wherein said vehicle end electrical connector further comprises a housing for mounting on a body bracket, said housing having a receiving cavity The floating plate is floatingly connected to the housing, and at least part of the mounting seat is located in the receiving cavity, and the flexible electrical connector is located in the receiving cavity;

    Preferably, the housing is formed by integral die casting of aluminum alloy.
13. A vehicle end electrical connector according to claim 12, wherein said housing includes a floating mounting portion and an insert mounting portion, said floating mounting portion being located at an outer periphery of a front end of said insert mounting portion, said insert The mounting portion is formed with the receiving cavity, the floating plate is floatingly connected to the floating mounting portion, and the high voltage plug is connected to the insert mounting portion and located outside the receiving cavity.
14. The vehicle end electrical connector according to claim 13, wherein said floating plate and said floating mounting portion are movably connected by a guide member, said guide member comprising a guide sleeve and a guide screw, said guide sleeve being mounted on The guide screw is screwed to the guide sleeve through the floating plate on the floating mounting portion.
15. The vehicle end electrical connector according to claim 13 or 14, wherein a protective cover is provided on an outer wall surface of the insert mounting portion away from the one end of the floating mounting portion, and an outer wall surface of the protective cover is provided Boss

    The high-voltage plug includes a high-pressure outer casing, one end of the high-pressure outer casing is inserted into the protective sleeve, and the outer wall surface of the high-pressure outer casing is rotatably connected with a buckle, and the buckle is latched on the boss;

    Preferably, an outer wall surface of one end of the high pressure outer casing is sealingly connected with an inner wall surface of the protective sleeve.
16. The vehicle end electrical connector according to any one of claims 13 to 15, wherein the floating mounting portion is provided with at least three connecting holes not in the same straight line, and the at least three connecting holes For mounting the floating mounting portion on the body bracket;

    And/or a sealing groove is disposed on a surface of the floating mounting portion opposite to the floating plate, and a sealing strip is installed in the sealing groove, and the floating plate is in contact with the sealing strip.
17. The vehicle end electrical connector according to any one of claims 13 to 16, wherein the vehicle end electrical connector further comprises a sealing ring covering the outer peripheral wall of the floating mounting portion And the entire outer peripheral wall of the floating plate.
18. The vehicle end electrical connector of claim 17 wherein said seal ring comprises:

    a strip-shaped annular ring body, the strip-shaped annular ring body covering the outer peripheral wall of the floating mounting portion and the entire outer peripheral wall of the floating plate;

    a first engaging portion, the first engaging portion is disposed on an inner wall surface of one end of the strip-shaped annular ring body connected to the floating mounting portion, and the first engaging portion is connected to the floating installation a side of the portion that faces away from the floating plate;

    a second engaging portion, the second engaging portion is disposed on an inner wall surface of one end of the strip-shaped annular ring body connected to the floating plate, and the second engaging portion is connected to the floating plate Leaving away from one side of the floating mounting portion.
19. The vehicle end electrical connector according to claim 18, wherein a side of the first engaging portion that is connected to the floating mounting portion is provided with a first locking portion, and the floating mounting portion faces away from the One side of the floating plate is provided with a first card slot, and the first locking portion is latched in the first card slot.
20. The vehicle end electrical connector according to claim 19, wherein a side of the second engaging portion that is connected to the floating plate is provided with a second locking portion, and the floating plate faces away from the floating One side of the mounting portion is provided with a second card slot, and the second locking portion is latched in the second card slot;

    Preferably, the first locking portion and the second locking portion are bumps, convex rings or ridges.

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