CN109119828B

CN109119828B - Vehicle end electric connector

Info

Publication number: CN109119828B
Application number: CN201710488958.3A
Authority: CN
Inventors: 张建平; 仇丹梁; 黄春华
Original assignee: Aulton New Energy Automotive Technology Co Ltd; Shanghai Dianba New Energy Technology Co Ltd
Current assignee: Aulton New Energy Automotive Technology Co Ltd; Shanghai Dianba New Energy Technology Co Ltd
Priority date: 2017-06-23
Filing date: 2017-06-23
Publication date: 2020-05-12
Anticipated expiration: 2037-06-23
Also published as: CN111541104B; WO2018233714A1; CN109119828A; CN111541104A

Abstract

The invention discloses a vehicle-end electric connector which comprises a mounting seat, a high-voltage component and a low-voltage component. The high-voltage component comprises a high-voltage pole, a flexible electric connector and a high-voltage plug. The high-voltage pole penetrates through the mounting seat and is provided with an electric contact end and a wiring end. One end of the flexible electric connector is in floating electric connection with the wiring end of the high-voltage pole, and the other end of the flexible electric connector is in floating electric connection with the high-voltage plug. The low-voltage component comprises a low-voltage pole which is arranged on the mounting seat in a penetrating way and is arranged at intervals with the high-voltage pole. The invention can effectively avoid the abnormity of electric connection failure or burning caused by loose connection and improve the stability of electric connection in the vehicle-end electric connector. In addition, the high-voltage plug is in floating electrical connection with the high-voltage pole through the flexible electrical connector, so that the stability of electrical connection between the high-voltage pole and the high-voltage plug-in unit during axial movement and radial rotation can be improved, and the safety and the electrical conduction effect of the electrical connector can be improved.

Description

Vehicle end electric connector

Technical Field

The invention relates to the field of electric automobiles, in particular to a vehicle-end electric connector.

Background

The conventional battery mounting methods for electric vehicles are generally classified into a fixed type and a replaceable type, wherein the fixed type battery is generally fixed on the vehicle, and the vehicle is directly used as a charging object during charging. The replaceable battery is generally movably mounted, can be taken down at any time for replacement or charging, and is mounted on the vehicle body after replacement or charging is finished.

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

However, the high-low voltage line in the conventional vehicle-end electric connector is a fixed outgoing line, and the terminal is in a rigid connection mode, so that due to various influences of environment, temperature, vehicle body vibration and the like, the contact point may be disconnected, the electric connection is unstable, and even abnormal phenomena such as electric connection failure or burnout are caused.

Disclosure of Invention

The invention provides a vehicle-end electric connector, aiming at overcoming the defects of electric connection failure or burnout and the like caused by unstable electric connection in the traditional vehicle-end electric connector in the prior art.

The invention solves the technical problems through the following technical scheme:

a vehicle end electrical connector, comprising:

a mounting seat;

a high voltage assembly, the high voltage assembly comprising:

the high-voltage pole penetrates through the mounting seat and is provided with an electric contact end and a wiring end;

one end of the flexible electric connecting piece is in floating electric connection with the wiring end of the high-voltage pole;

the high-voltage plug is in floating electrical connection with the other end of the flexible electrical connector;

the low pressure subassembly, the low pressure subassembly includes low pressure utmost point post, low pressure utmost point post wears to locate the mount pad, and with high pressure utmost point post interval sets up.

In this scheme, make the both ends homoenergetic of high-voltage terminal post realize floating connection through flexible electric connector, effectively avoid connecting not hard up to cause the electricity to connect unusually such as inefficacy or burn, improved the stability of electricity connection in the car end electric connector.

In addition, the high-voltage plug is in floating electrical connection with the high-voltage pole through the flexible electrical connector, so that the stability of electrical connection between the high-voltage pole and the high-voltage plug-in unit in axial movement and radial rotation can be improved, and the safety and the electrical conduction effect of the electrical connector can be improved.

Preferably, a groove is formed in the end face of the electric contact end of the high-voltage pole, the groove is recessed inwards along the axial direction of the high-voltage pole, a first conductive elastic part is embedded in the groove, and the first conductive elastic part protrudes out of the contact surface of the electric contact end.

In this scheme, the electric contact end of high-voltage pole sets up the recess to set up first electrically conductive elastic component in the recess, when receiving the extrusion of battery end electric connector, first electrically conductive elastic component can produce elastic deformation, when eliminating the extrusion force, can also keep good contact, thereby realize that car end electric connector floats with the high pressure of battery end electric connector and is connected, both stable electricity are connected under the adaptation automobile body vibrations condition.

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

and/or the first conductive elastic piece is a conductive spring;

and/or the contact surface of the electric contact end is a plane.

In this scheme, the contact surface of electricity contact end is the plane, can guarantee the area of contact that car end electric connector and battery end electric connector's high-voltage post electricity are connected, and then guarantee the reliability that both electricity are connected.

Preferably, the wiring end of the high-voltage pole is provided with a wiring groove, the wiring groove is recessed inwards along the axial direction of the high-voltage pole, one end of the flexible electric connecting piece is in crimping connection with the wiring groove, and a second conductive elastic piece is arranged between the flexible electric connecting piece and the inner wall of the wiring groove in a pressing mode.

In this scheme, adopt above-mentioned structural style, realize the unsteady connection between high-voltage utmost point post and the flexible electric connection piece through the electrically conductive elastic component of second, improved the stability of being connected between high-voltage utmost point post and the flexible electric connection piece.

Preferably, the flexible electrical connector comprises:

one end of the first electric connector is in compression joint with the wiring groove, and the second conductive elastic piece is arranged between the first electric connector and the inner wall of the wiring groove in a compression joint mode;

one end of the flexible cavity is in compression joint or welded at the other end of the first electric connector, and the flexible cavity is positioned outside the high-voltage pole and the high-voltage plug and is made of a flexible conductive material;

one end of the second electric connector is in compression joint or welded at the other end of the flexible cavity, and the other end of the second electric connector is in floating electric connection with the high-voltage plug;

the spring is located in the flexible cavity, and two ends of the spring are respectively connected with the first electric connector and the second electric connector.

In this scheme, adopt above-mentioned structural style, flexible electric connector is when using, and flexible cavity can elongate or compress and radially twist reverse, adaptable and structural connection between each angle's such as axial, radial relative displacement change, avoid leading to electric connection performance variation because of relative displacement's change, improved car end electric connector electric connection's stability greatly.

In addition, the flexible cavity is crimped or welded on the first electric connector and the second electric connector, so that the structural connection strength of the flexible electric connector is enhanced, and the electric connection stability of the flexible electric connector is ensured.

In addition, the spring can effectively strengthen the structural strength of the flexible electric connecting piece, so that the two ends of the flexible cavity can also ensure the electric connection effect of the flexible electric connecting piece when the relative displacement changes. And the spring has the electrically conductive function, can further improve the stability of being connected electrically between first electric connector and the second electric connector.

Preferably, the flexible cavity is an elastic cavity which is formed by a plurality of flexible conductive strips in a surrounding mode to form a sphere-like shape;

or the flexible cavity is an elastic cavity which is formed by surrounding latticed flexible conductive parts into a sphere-like shape;

or the flexible cavity is an elastic cavity which is spherical-like formed by alternately weaving metal wires or spherical-like formed by expanding and drawing metal conductive belts.

Preferably, the high-voltage plug comprises a contact pin, and the other end of the flexible electric connector is in floating electric connection with the contact pin of the high-voltage plug through a connecting socket.

In the scheme, the flexible electric connecting piece is in floating electric connection with the high-voltage plug through the connecting socket, so that the electric connection between the flexible electric connecting piece and the high-voltage plug is more reliable and stable.

Preferably, one end of the connection socket is provided with a first jack, the other end of the connection socket is provided with a second jack, the other end of the flexible electric connector is in crimping connection with the first jack, and the contact pin is in floating connection with the second jack.

Preferably, a third conductive elastic member is pressed between an outer wall surface of the pin and an inner wall surface of the second jack of the connection socket, and the third conductive elastic member is used for keeping electrical connection all the time when the pin floats with the connection socket.

In this scheme, adopt above-mentioned structural style, the contact pin that realizes high voltage plug through the electrically conductive elastomer of third is connected with floating between the connection socket, has improved the stability of being connected electrically between the contact pin of high voltage plug and the connection socket.

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

and/or a plurality of third conductive elastic pieces are pressed between the outer wall surface of the contact pin and the inner wall surface of the second jack of the connecting socket, and the third conductive elastic pieces are arranged at intervals along the axial direction of the contact pin.

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 is provided with a cavity, and the flexible electrical connector is located in the cavity.

In this scheme, adopt above-mentioned structural style, insulating cover plays the guard action to flexible electric connector, has good insulating, sealed effect to flexible electric connector, has improved car end electric connector's security and stability.

Preferably, the other end of the insulating sleeve is connected with a fixed sleeve, and the connecting socket is arranged in the fixed sleeve in a penetrating manner.

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

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

the guide pin is arranged on the outer wall surface of the low-voltage pole and extends outwards along the radial direction of the low-voltage pole;

the guide groove is formed in the side wall of the mounting hole, when the guide foot moves into the guide groove, the guide foot is arranged in the guide groove in a sliding mode, and the guide foot is matched with the guide groove to limit the rotating direction of the low-voltage pole;

the outer wall cover of low pressure utmost point post is equipped with elastomeric element, elastomeric element is used for driving low pressure utmost point post is followed the guide pin with the direction of rotation that the guide way set up removes.

In this scheme, inject the direction of rotation of low pressure utmost point post through guide pin and guide way cooperation to drive the direction of rotation that low pressure utmost point post set up along the guide way through elastomeric element and remove, thereby reach the effect of the terminal contact surface of clean low pressure utmost point post, improve the stability of the electrical contact of low pressure utmost point post, and then improve the stability of the electrical contact of car end electric connector.

Preferably, an included angle is formed between the length direction of the guide groove and a central axis of the low-voltage pole, and the included angle is 13-17 degrees.

Preferably, the low-voltage pole post is provided with an electric contact end and a wiring end, the electric contact end is positioned outside the mounting hole, and the wiring end is positioned in the mounting hole;

the low-voltage component further comprises a cable, and one end of the cable is inserted into the wiring end of the low-voltage pole.

Preferably, the cable located within the mounting hole is helical in shape.

In this scheme, adopt above-mentioned structural style, can guarantee that the cable moves about freely in fixed area to the card phenomenon of establishing can not appear.

Preferably, the vehicle-end electrical connector further comprises a floating plate, a floating plate mounting opening is formed in the floating plate, and the mounting seat is fixed to the floating plate and penetrates through the floating plate mounting opening.

Preferably, the floating plate is provided with a positioning column, the positioning column extends out of the floating plate and is arranged at an interval with the high-voltage pole, and the positioning column is provided with a positioning end which is positioned outside the floating plate and is positioned outside the electric contact end of the high-voltage pole in the axis direction of the high-voltage pole.

In this scheme, the setting of reference column can make its earlier with battery end electric connector's relevant position location when car end electric connector contacts with battery end electric connector, later high-pressure utmost point post and low pressure utmost point post just with battery end electric connector on corresponding utmost point post contact, can avoid car end electric connector's high-pressure utmost point post and low pressure utmost point post and battery end electric connector's high-pressure utmost point post and low pressure utmost point post when contacting because of the inaccurate damage that causes in location, and the reference column can also protect the influence that high-pressure utmost point post and low pressure utmost point post after pegging graft received radial ascending power.

Preferably, the positioning column is fixed to the floating plate, a positioning end of the positioning column is tapered, a baffle is arranged in the middle of the positioning column, and the baffle extends outwards from the outer wall surface of the positioning column along the radial direction of the positioning column.

In this scheme, the other end of reference column is the toper, is convenient for peg graft in the corresponding position of battery end electric connector with the reference column, and the height of reference column grafting in battery end electric connector can be injectd in setting up of baffle, receives when rocking and extrudeing the unsteady board when battery end electric connector, and it can contact with the baffle after removing the certain distance to form rigid the blockking to battery end electric connector, prevent that the unsteady board pressurized is excessive.

Preferably, the vehicle-end electrical connector further comprises a housing, the housing is used for being mounted on a vehicle body bracket, the housing is provided with a containing cavity, the floating plate is connected to the housing in a floating mode, at least part of the mounting seat is located in the containing cavity, and the flexible electrical connector is located in the containing cavity.

Preferably, the casing includes unsteady installation department and plug-in components installation department, unsteady installation department is located the outer peripheral edges of plug-in components installation department's front end, the plug-in components installation department is formed with hold the chamber, unsteady movable plate float connect in the unsteady installation department, high-pressure plug connect in the plug-in components installation department is located hold the chamber outside.

Preferably, the floating plate and the floating installation part are movably connected through a guide piece, the guide piece comprises a guide sleeve and a guide screw, the guide sleeve is installed on the floating installation part, and the guide screw penetrates through the floating plate and is in threaded connection with the guide sleeve.

Preferably, a protective sleeve is arranged on the outer wall surface of one end, far away from the floating installation part, of the plug-in installation part, and a boss is arranged on the outer wall surface of the protective sleeve;

the high-voltage plug comprises a high-voltage shell, one end of the high-voltage shell is inserted into the protective sleeve, the outer wall surface of the high-voltage shell is rotatably connected with a lock catch, and the lock catch is clamped on the boss.

In this scheme, locate the boss through the hasp card, can be very conveniently, reliably be fixed in the protective sheath of plug-in components installation department with high-voltage plug on, also can dismantle high-voltage plug from the protective sheath of plug-in components installation department conveniently.

Preferably, an outer wall surface of one end of the high-pressure housing is hermetically connected with an inner wall surface of the protective sleeve.

By adopting the structure, a sealing structure can be formed between the high-voltage plug and the protecting sleeve of the plug-in mounting part, so that external accumulated water is prevented from entering the plug-in mounting part and the high-voltage plug, and the safety of the high-voltage plug is improved.

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

Preferably, the floating installation part is provided with at least three connecting holes which are not positioned on the same straight line, and the at least three connecting holes are used for installing the floating installation part on the vehicle body bracket.

In this scheme, set up the at least three connecting hole that is not located same straight line on the installation department that floats, can guarantee stability and the fastness that car end electric connector installed on the automobile body support to guarantee the stability that car end electric connector and battery end electric connector are electric to be connected at the vehicle in-process that traveles.

Preferably, a sealing groove is formed in the floating installation part and on the surface opposite to the floating plate, a sealing strip is installed in the sealing groove, and the floating plate is in contact with the sealing strip.

In this scheme, installation sealing strip in the seal groove can form seal structure between unsteady board and the installation department that floats to inside avoiding outside ponding to get into the plug-in components installation department, improve high-pressure plug's security.

Preferably, the vehicle-end electrical connector further includes a sealing ring, and the sealing ring is wrapped around the outer peripheral wall of the floating installation portion and the entire outer peripheral wall of the floating plate.

In this scheme, the setting of sealing washer can form elastic seal between the two after car end electric connector and the installation of battery end electric connector to improve the waterproof performance of battery and electric connector, and can reserve certain activity when the automobile body rocks, improve the stability that car end electric connector and battery end electric connector are connected, can keep encapsulated situation under certain pressure moreover, thereby improve sealed effect.

Preferably, the seal ring includes:

a band-shaped annular ring body which is wrapped around the outer peripheral wall of the floating mounting portion and the entire outer peripheral wall of the floating plate;

the first clamping part is arranged on the inner wall surface of one end, connected with the floating installation part, of the belt-shaped annular ring body, and the first clamping part is connected to one surface, deviating from the floating plate, of the floating installation part;

and the second clamping part is arranged on the inner wall surface of one end of the belt-shaped annular ring body, which is connected with the floating plate, and is connected to one surface, which deviates from the floating installation part, of the floating plate.

In this scheme, the sealing washer will float installation department and floating plate parcel simultaneously inside through encircling, and water-proof effects is better.

In addition, the first clamping part and the second clamping part are respectively and fixedly connected with the floating installation part and the floating plate, so that the stability of structural connection between the sealing ring and the floating installation part and between the sealing ring and the floating plate is effectively improved, the sealing ring is prevented from falling off, the sealing performance is good, and the waterproof effect is obvious.

Preferably, a first clamping groove is formed in one surface, which is connected with the floating installation part, of the floating installation part, and a first clamping groove is formed in one surface, which is deviated from the floating plate, of the floating installation part, and the first clamping groove is clamped by the first clamping groove.

In this scheme, first card stop portion card is located first draw-in groove, can further strengthen the joint strength between sealing washer and the installation department that floats, has effectively improved the stability of sealing washer and floating installation department in connection and use.

Preferably, a second clamping and stopping portion is arranged on one surface, connected with the floating plate, of the second clamping and stopping portion, a second clamping groove is arranged on one surface, deviating from the floating installation portion, of the floating plate, and the second clamping and stopping portion is clamped in the second clamping groove.

In this scheme, the second card stop portion card is located the second draw-in groove, can further strengthen the joint strength between sealing washer and the floating plate, has effectively improved the stability of sealing washer and floating plate in connection and use.

Preferably, the first and second locking parts are bumps, collars or ribs.

On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.

The positive progress effects of the invention are as follows:

according to the invention, floating connection can be realized at both ends of the high-voltage pole through the flexible electric connector, so that the abnormity of electric connection failure or burning caused by loose connection is effectively avoided, and the stability of electric connection in the vehicle-end electric connector is improved. In addition, the high-voltage plug is in floating electrical connection with the high-voltage pole through the flexible electrical connector, so that the stability of electrical connection between the high-voltage pole and the high-voltage plug-in unit in axial movement and radial rotation can be improved, and the safety and the electrical conduction effect of the electrical connector can be improved.

Drawings

Fig. 1 is a schematic structural diagram of a position state of the vehicle-end electrical connector according to the preferred embodiment of the invention.

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

Fig. 3 is a schematic front view of the vehicle-end electrical connector according to the preferred embodiment of the invention.

Fig. 4 is a schematic sectional view taken along a-a in fig. 3.

Fig. 5 is a schematic sectional view taken along the line B-B in fig. 3.

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

FIG. 7 is a schematic view of the flexible electrical connector portion of the vehicle end electrical connector according to the preferred embodiment of the invention.

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

Fig. 9 is a schematic structural diagram of a low-voltage pole of the vehicle-end electrical connector according to the preferred embodiment of the invention.

Description of reference numerals:

vehicle end electrical connector: 1

A housing: 10

Floating installation part: 100

Connecting holes: 1000

Sealing groove: 1001

Sealing strips: 1002

A first card slot: 1003

Plug-in mounting part: 101

Protecting a sleeve: 1010

A boss: 1011

An accommodating cavity: 102

A floating plate: 11

A second card slot: 110

Mounting a floating plate: 111

Positioning columns: 112

Positioning the end: 1120

A mounting seat: 12

High-pressure mounting holes: 120

Low-pressure mounting holes: 121

High-voltage components: 13

High-voltage pole: 130

Groove: 1300

Wiring groove: 1301

Flexible electrical connection: 131

A first electrical connector: 1310

Flexible cavity: 1311

A second electrical connector: 1312

A spring: 1313

High-voltage plug: 132

High-voltage shell: 1320

Insulator: 1321

Inserting a pin: 1322

Locking: 1323

Connecting a socket: 133

A first receptacle: 1330

A second insertion hole: 1331

A second conductive elastic member: 134

Third conductive elastic member: 135

Fourth conductive elastic member: 136

Insulating sleeve: 137

A cavity: 1370

Fixing a sleeve: 138

A low-voltage component: 14

Low-voltage pole: 140

A guide leg: 141

A guide groove: 142

An elastic member: 143

A cable: 144

Limiting groove: 145

A guide member: 15

A guide sleeve: 150

A guide screw: 151

Sealing rings: 16

Band-shaped annular ring body: 160

A first engaging portion: 161

A second engaging portion: 162

First locking part: 163

Second locking part: 164

Detailed Description

The present invention will be more clearly and completely described in the following description of preferred embodiments, taken in conjunction with the accompanying drawings.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

Fig. 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 mounting base 12, a high-voltage component 13, and a low-voltage component 14. The shell 10 is used for being mounted on a vehicle body support, and the shell 10 is formed by aluminum alloy through integral die casting. The housing 10 includes a floating mount 100 and a card mount 101, the card mount 101 is formed with an accommodation cavity 102, and the floating mount 100 is located on an outer peripheral edge of a front end of the card mount 101.

The floating installation part 100 is provided with at least three connecting holes 1000 which are not located on the same straight line, and the at least three connecting holes 1000 are used for installing the floating installation part 100 on the vehicle body support. Therefore, the stability and firmness of the installation of the vehicle end electric connector 1 on the vehicle body support can be ensured, and the stability of the electric connection of the vehicle end electric connector 1 and the battery end electric connector in the running process of the vehicle is ensured. In the present embodiment, as shown in fig. 2, four connection holes 1000 are provided on the floating installation part 100, wherein two connection holes 1000 are respectively provided at two ends of the floating installation part 100.

As will be understood in conjunction with fig. 3 and 5, the floating plate 11 is floatingly coupled to the floating mount 100. The floating plate 11 and the floating mount 100 are movably coupled by a guide 15. The guide member 15 includes a guide sleeve 150 and a guide screw 151, the guide sleeve 150 being mounted on the floating mount 100, the guide screw 151 being threadedly coupled with the guide sleeve 150 through the floating plate 11. In the present embodiment, four guides 15 may be provided, and two guides 15 may be provided at both ends of the floating mount 100, respectively.

As shown in fig. 4, a seal groove 1001 is provided in the surface of the floating mount 100 facing the floating plate 11, a seal strip 1002 is mounted in the seal groove 1001, and the floating plate 11 is in contact with the seal strip 1002. This makes it possible to form a seal structure between the floating plate 11 and the floating mount portion 100, thereby preventing external standing water from entering the interior of the card mount portion 101, and improving the safety of the high-voltage plug 132.

The vehicle-end electric connector 1 further comprises a sealing ring 16, and the sealing ring 16 is wrapped on the peripheral wall of the floating installation part 100 and the whole peripheral wall of the floating plate 11. Can form elastic seal between car end electric connector 1 and the battery end electric connector installation back both like this to improve the waterproof performance of battery and electric connector, and can reserve certain activity when the automobile body rocks, improve the stability that car end electric connector 1 and battery end electric connector are connected, can keep encapsulated situation under certain pressure moreover, thereby improve sealed effect. Preferably, the seal ring 16 covers the entire outer peripheral wall of the floating mount 100 and the entire outer peripheral wall of the floating plate 11.

The seal ring 16 includes a band-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 mount 100 and the entire outer peripheral wall of the floating plate 11. The first engaging portion 161 is provided on an inner wall surface of one end of the band-shaped annular ring body 160 connected to the floating mount 100, and the first engaging portion 161 is connected to a surface of the floating mount 100 facing away from the floating plate 11. The second engaging portion 162 is provided on an inner wall surface of one end of the band-shaped annular ring body 160 connected to the floating plate 11, and the second engaging portion 162 is connected to a surface of the floating plate 11 facing away from the floating attachment portion 100. The sealing ring 16 wraps the floating installation part 100 and the floating plate 11 in an encircling mode, and the waterproof effect is better. Through first block portion 161 and second block portion 162 fixed connection floating installation portion 100 and floating plate 11 respectively, effectively improved the stability of structural connection between sealing washer 16 and floating installation portion 100, the floating plate 11, prevent that sealing washer 16 from droing, and the leakproofness is good, and water-proof effects is obvious.

Further, the first engaging portion 161 is provided with a first engaging portion 163 on a surface connected to the floating attachment 100, the floating attachment 100 is provided with a first engaging groove 1003 on a surface facing away from the floating plate 11, and the first engaging portion 163 is engaged with the first engaging groove 1003. The second engaging portion 162 is provided with a second engaging portion 164 on a surface thereof connected to the floating plate 11, the floating plate 11 is provided with a second engaging groove 110 on a surface thereof facing away from the floating mounting portion 100, and the second engaging portion 164 is engaged with the second engaging groove 110. Thus, the connection strength between the seal ring 16 and the floating mount 100 and between the seal ring 16 and the floating plate 11 can be further enhanced, and the stability of connection and use between the seal ring 16 and the floating mount 100 can be effectively improved.

Preferably, the first and

second locking portions

163 and 164 are bumps, collars or ribs. More 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 attachment opening 111, and the attachment base 12 is fixed to the floating plate 11 and penetrates through the floating plate attachment opening 111. And at least part of the mounting seat 12 is located in the accommodating cavity 102 of the housing 10. The mounting base 12 is provided with a high-pressure mounting hole 120.

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

The outer wall cover of high-pressure utmost point post 130 is equipped with elastomeric element, keeps certain flexible elasticity after high-pressure utmost point post 130 contacts with the conductive terminal of battery end electric connector, can improve the contact effect of contact point to make high-pressure utmost point post 130 can bear the extrusion force of vertical direction, can bear the ascending extrusion force of axial along high-pressure utmost point post 130 promptly, avoid receiving rigid damage, improve the life of high-pressure utmost point post 130.

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 electric connector 131 is in floating electric connection with the terminal of the high-voltage pole column 130. The other end of the flexible electrical connector 131 is in floating electrical connection with the high voltage plug 132. The two ends of the high-voltage pole 130 can be in floating connection through the flexible electric connecting piece 131, so that the abnormity of electric connection failure or burning caused by connection looseness is effectively avoided, and the stability of electric connection in the vehicle-end electric connector 1 is improved. The high voltage plug 132 is electrically connected with the high voltage pole 130 in a floating manner through the flexible electric connector 131, so that the stability of the electrical connection between the high voltage pole 130 and the high voltage plug in the axial movement and radial rotation can be improved, and the safety and the electrical conduction effect of the electrical connector can be improved.

In addition, a groove 1300 is formed in the end face of the electrical contact end of the high-voltage pole 130, and the groove 1300 is recessed inwards along the axial direction of the high-voltage pole 130. A first conductive elastic element (not shown) is embedded in the groove 1300, and the first conductive elastic element protrudes out of the contact surface of the electrical contact end. When receiving the extrusion of battery end electric connector, first electrically conductive elastic component can produce elastic deformation, when eliminating the extrusion force, can also keep good contact to realize that car end electric connector 1 and battery end electric connector's high pressure floats to be connected, both stable electricity are connected under the adaptation automobile body vibrations condition.

Preferably, the groove 1300 is an annular groove, and an axis of the annular groove coincides with an 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 a plane. Therefore, the contact area of the vehicle-end electric connector 1 and the high-voltage pole 130 of the battery-end electric connector can be ensured to be electrically connected, and the reliability of the electrical connection between the vehicle-end electric connector and the battery-end electric connector can be further ensured.

In addition, a wiring groove 1301 is formed in the wiring end of the high-voltage pole 130, and the wiring groove 1301 is recessed inwards along the axial direction of the high-voltage pole 130. One end of the flexible electric connector 131 is pressed and connected with the wiring groove 1301, and a second conductive elastic piece 134 is pressed and connected with the inner wall of the wiring groove 1301. The floating connection between the high voltage pole 130 and the flexible electric connector 131 is realized through the second conductive elastic member 134, so that the stability of the electric connection between the high voltage pole 130 and the flexible electric connector 131 is improved.

As will be understood in conjunction with 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 pressed in the wiring groove 1301 of the high-voltage pole 130, and the second conductive elastic piece 134 is pressed between the first electrical connector 1310 and the inner wall of the wiring groove 1301. In this embodiment, the second conductive elastic element 134 is a conductive spring, and there may be two second conductive elastic elements 134, and the two second conductive elastic elements 134 are disposed at intervals along the length direction of the first electrical connector 1310.

In addition, one end of the flexible cavity 1311 is crimped or welded 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 to form a sphere-like shape; or, the flexible cavity 1311 is an elastic cavity surrounded by a grid-shaped flexible conductive member to form a sphere-like shape; alternatively, the flexible cavity 1311 is a sphere-like elastic cavity formed by weaving metal wires in a crossed manner or formed by stretching metal conductive strips.

One end of the second electrical connector 1312 is crimped or welded to the other end of the flexible cavity 1311, and the other end of the second electrical connector 1312 is in floating electrical connection with the high-voltage plug 132. The spring 1313 is located in the flexible cavity 1311, and 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 used, the flexible cavity 1311 can be elongated or compressed and twisted in the radial direction, so that the flexible cavity 1311 can adapt to the change of the relative displacement at each angle such as the axial direction and the radial direction between the structural connection, the deterioration of the electrical connection performance caused by the change of the relative displacement is avoided, and the electrical connection stability of the vehicle-end electrical connector 1 is greatly improved.

The flexible cavity 1311 is crimped or welded to the first electrical connector 1310 and the second electrical connector 1312, so that the structural connection strength of the flexible electrical connector 131 is enhanced, and the electrical connection stability of the flexible electrical connector 131 is ensured. The spring 1313 can effectively reinforce the structural strength of the flexible electrical connector 131, so that the two ends of the flexible cavity 1311 can ensure the electrical connection effect of the flexible electrical connector 131 when the relative displacement changes. Further, the spring 1313 has a conductive function, and can further improve the stability of electrical connection between the first electrical connector 1310 and the second electrical connector 1312.

As will be understood in conjunction with fig. 4 and 6, the high voltage plug 132 is connected to the card mounting portion 101 and is located outside the accommodation chamber 102. Keep away from in plug-in components installation department 101 the outer wall of the one end of floating installation department 100 is equipped with lag 1010, the outer wall of lag 1010 is equipped with boss 1011.

The high voltage plug 132 includes a high voltage outer housing 1320, an insulator 1321, and pins 1322. The insulator 1321 is inserted into and fixed to the inside of the high-voltage housing. The pins 1322 are inserted through and fixed to the inside of the insulator 1321.

One end of the high-voltage housing 1320 is inserted into the protective sleeve 1010, and the outer wall surface of the high-voltage housing 1320 is rotatably connected with a lock catch 1323, and the lock catch 1323 is clamped on the boss 1011. The latch 1323 is engaged with the boss 1011, so that the high-voltage plug 132 can be very conveniently and reliably fixed to the boot 1010 of the card insertion unit 101, and the high-voltage plug 132 can be easily detached from the boot 1010 of the card insertion unit 101.

Further, an outer wall surface of one end of high-pressure housing 1320 is hermetically connected to an inner wall surface of shield 1010. Therefore, a sealing structure can be formed between the high-voltage plug 132 and the protective sleeve 1010 of the plug-in mounting part 101, so that external accumulated water is prevented from entering the plug-in mounting part 101 and the high-voltage plug 132, and the safety of the high-voltage plug 132 is improved.

In addition, the other end of the flexible electrical connector 131 is in floating electrical connection with the pin 1322 of the high voltage plug 132 through the 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 pressed into the first insertion hole 1330, and a fourth conductive elastic member 136 is pressed between the outer wall surface of the other end of the flexible electrical connector 131 and the inner wall surface of the first insertion hole 1330 of the connection socket 133, wherein the fourth conductive elastic member 136 is used for keeping electrical connection all the time when the flexible electrical connector 131 and the connection socket 133 float. In this embodiment, the fourth conductive elastic member 136 is pressed between the outer wall surface of the other end of the second electrical connector 1312 and the inner wall surface of the first insertion hole 1330 of the connection socket 133. The fourth conductive elastic members 136 are conductive springs, two fourth conductive elastic members 136 may be provided, and two fourth conductive elastic members 136 are spaced apart from each other along the length direction of the second electrical connector 1312.

As shown in fig. 4, the pins 1322 are floatingly coupled within the second receptacle 1331. A third conductive elastic member 135 is pressed between an outer wall surface of the insert pin 1322 and an inner wall surface of the second insertion hole 1331 of the connection socket 133. The third conductive elastic member 135 serves to maintain an electrical connection at all times while floating between the pin 1322 and the connection socket 133. The floating connection between the pins 1322 of the high voltage plug 132 and the connection socket 133 is realized through the third conductive elastic body, so that the stability of the electrical connection between the pins 1322 of the high voltage plug 132 and the connection socket 133 is improved.

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 surfaces of the pins 1322 and the inner wall surfaces of the second insertion holes 1331 of the connection socket 133, and the plurality of third conductive elastic members 135 are arranged at intervals along the axial direction of the pins 1322.

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 base 12, and the other end of the insulating sleeve 137 is connected to a fixing sleeve 138. The retaining sleeve 138 is attached within 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 inserted into the fixing sleeve 138. In this embodiment, the high voltage housing 1320 of the high voltage plug 132 and the bottom of the insulator 1321 are disposed between the outer wall surface of the retaining sleeve 138 and the inner wall surface of the shield 1010.

In addition, the insulating sleeve 137 has a cavity 1370, and the flexible electrical connector 131 is located in the cavity 1370. The insulating sleeve 137 plays a role in protecting the flexible electric connecting piece 131, has good insulating and sealing effects on the flexible electric connecting piece 131, and improves the safety and stability of the vehicle-end electric connector 1.

As shown in fig. 4, the low-pressure assembly 14 includes a low-pressure post 140 and a rotary self-cleaning mechanism. The mounting seat 12 is provided with a low-voltage mounting hole 121, and the low-voltage pole 140 penetrates through the low-voltage mounting hole 121 and is arranged at an interval with the high-voltage pole 130.

As will be understood in connection with fig. 8-9, the rotary self-cleaning mechanism includes guide legs 141 and guide grooves 142. The guide pin 141 is disposed on an outer wall surface of the low voltage pole 140 and extends outward in a radial direction of the low voltage pole 140. The guide groove 142 is provided at a sidewall of the low pressure mounting hole 121. When the guide leg 141 moves into the guide groove 142, the guide leg 141 is slidably disposed in the guide groove 142, and the guide leg 141 and the guide groove 142 cooperate to define the rotation direction of the low-voltage pole 140. The outer wall surface of the low-voltage pole 140 is sleeved with an elastic part 143, and the elastic part 143 is used for driving the low-voltage pole 140 to move along the rotation direction of the guide pin 141 and the guide groove 142.

In this embodiment, the rotation direction of the low voltage pole 140 is limited by the cooperation of the guide pin 141 and the guide groove 142, and the rotation direction of the low voltage pole 140 set up along the guide groove 142 is driven by the elastic component 143 to move, so as to reach the effect of cleaning the terminal contact surface of the low voltage pole 140, improve the stability of the electrical contact of the low voltage pole 140, and further improve the stability of the electrical contact of the vehicle-end electrical connector 1. The elastic component 143 is arranged to keep certain elastic force after the low-voltage pole 140 is contacted with the conductive terminal of the battery terminal electric connector, so that the contact effect of the contact point can be improved, the low-voltage pole 140 can bear the extrusion force in the vertical direction, namely, the axial extrusion force along the low-voltage pole 140 can be borne, the hard damage can be avoided, and the service life of the low-voltage pole 140 can be prolonged.

An included angle is formed between the length direction of the guide groove 142 and the central axis of the low-voltage pole 140, and the included angle is 13-17 degrees. Preferably, the included angle is 15 degrees. Therefore, the rotation direction of the low-voltage pole 140 can be limited by the included angle, and the purpose of cleaning the terminal contact surface of the low-voltage pole 140 is achieved.

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 inside the low-voltage mounting hole 121. The low voltage assembly 14 further includes a cable 144, and one end of the cable 144 is inserted into the terminal of the low voltage pole 140.

Preferably, the cable 144 located within the low voltage mounting hole 121 is in the shape of a spiral. This ensures that the cable 144 can move freely within the fixed area and does not become jammed.

Further preferably, the number of the guide pins 141 and the number of the guide grooves 142 are both a plurality, the plurality of guide pins 141 are arranged along the circumferential direction of the low-voltage pole 140 at intervals, the plurality of guide grooves 142 are arranged along the circumferential direction of the low-voltage mounting hole 121 at intervals, and the plurality of guide grooves 142 are arranged in one-to-one correspondence with the plurality of guide pins 141. In the present embodiment, the number of the guide legs 141 and the guide grooves 142 is three. In this way, 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 the rotation process is more stable. In other embodiments, the number of the guide legs 141 and the guide grooves 142 may also be two, four, or other values, and the guide legs 141 are uniformly spaced along the circumferential direction of the low voltage pole 140.

The side wall of the mounting hole is provided with a limit groove 145, one end of the limit groove 145 is adjacent to and communicated with the guide groove 142, and the guide pin 141 is clamped in the limit groove 145. Like this, through setting up spacing groove 145, carry on spacingly to guide pin 141 under the normality, guarantee that guide pin 141 after the reciprocating rotation removal, still keep getting back to the same fixed position, improve the precision of the reciprocating rotation removal of each time of low pressure utmost point post 140.

When the low-voltage pole 140 of the battery-end electrical connector is electrically connected with the low-voltage pole 140 of the vehicle-end electrical connector 1, an acting force transmitted to the low-voltage pole 140 along the contact surface is generated due to the electrical connection, the elastic member in an initial state is compressed under the acting force, the low-voltage pole 140 is driven to move along the acting force direction, the low-voltage pole 140 is provided with the guide pin 141, the side wall of the mounting hole is provided with the guide groove 142 corresponding to the guide pin 141, and the low-voltage pole 140 is guided and limited to move and rotate while being matched with the guide groove 142 through the arrangement direction of the guide groove 142 and the cooperation of the guide pin 141; on the other hand, when this effort withdraws, the elastic component is released, and in the in-process that resumes to initial condition, drive low pressure utmost point post 140 along the direction of rotation antiport that guide way 142 set up to accomplish reciprocating rotation and move, reach the terminal contact surface that makes low pressure utmost point post 140 and produce the friction each other, thereby reach the effect of clean low pressure utmost point post 140's terminal contact surface, improve the stability of low pressure utmost point post 140's electrical contact.

In one embodiment of the present invention, two high voltage poles 130 may be disposed and respectively located at two ends of the mounting seat 12, and a plurality of low voltage poles 140 may be disposed and distributed between the two high voltage poles 130. For example, in the present embodiment, the low voltage poles 140 are arranged in three rows, i.e., 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 positioning posts 112, and the positioning posts 112 extend out of the floating plate 11 and are spaced apart from the high-voltage poles 130. The positioning post 112 has a positioning end 1120, and the positioning end 1120 is located outside the floating plate 11 and outside the electrical contact end of the high-voltage pole 130 in the axial direction of the high-voltage pole 130. Like this can make car end electric connector 1 with the battery end electric connector contact when it earlier with the relevant position location of battery end electric connector, later high-pressure utmost point post 130 and low voltage utmost point post 140 just with the battery end electric connector on corresponding utmost point post contact, can avoid car end electric connector 1's high-pressure utmost point post 130 and low voltage utmost point post 140 and battery end electric connector's high-pressure utmost point post 130 and low voltage utmost point post 140 when contacting because of the inaccurate damage that causes in location, and reference column 112 can also protect the influence that high-pressure utmost point post 130 and low voltage utmost point post 140 after pegging graft receive the ascending power of radial direction.

In addition, the positioning column 112 is fixed to the floating plate 11, and a positioning end 1120 of the positioning column 112 is tapered. This facilitates the insertion of the positioning posts 112 into the corresponding positions of the battery-end electrical connectors.

In addition, a baffle (not shown) is disposed at the middle of the positioning column 112, and the baffle extends outward from the outer wall surface of the positioning column 112 in the radial direction of the positioning column 112. Can inject the height of reference column 112 grafting in battery end electric connector like this, when battery end electric connector receives to rock and when extrudeing floating plate 11, it can remove certain distance back and baffle contact to form the rigidity to battery end electric connector and block, prevent that floating plate 11 is pressed excessively.

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

While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.

Claims

1. A vehicle end electrical connector, comprising:

a mounting seat;

a high voltage assembly, the high voltage assembly comprising:

the low-voltage component comprises a low-voltage pole which penetrates through the mounting seat and is arranged at an interval with the high-voltage pole;

the flexible electric connector comprises a flexible cavity, the flexible cavity is positioned outside the high-voltage pole and the high-voltage plug and is made of flexible conductive materials.

2. The vehicle-end electrical connector according to claim 1, wherein a groove is formed in an end face of the electrical contact end of the high-voltage pole, the groove is recessed inward along an axial direction of the high-voltage pole, and a first conductive elastic member is embedded in the groove and protrudes out of a contact surface of the electrical contact end.

3. The vehicle end electrical connector of claim 2, wherein the groove is an annular groove, and an axis of the annular groove coincides with an axis of the high voltage post;

and/or the first conductive elastic piece is a conductive spring;

and/or the contact surface of the electric contact end is a plane.

4. The vehicle-end electrical connector according to claim 1, wherein a wiring groove is formed in the wiring end of the high-voltage pole, the wiring groove is recessed inward in an axial direction of the high-voltage pole, one end of the flexible electrical connector is pressed against the wiring groove, and a second conductive elastic member is pressed between the flexible electrical connector and an inner wall of the wiring groove.

5. The vehicle end electrical connector of claim 4 wherein said flexible electrical connector comprises:

6. The vehicle end electrical connector of claim 5, wherein the flexible cavity is a sphere-like elastic cavity surrounded by a plurality of flexible conductive strips;

7. The vehicle end electrical connector of claim 1 wherein said high voltage plug includes pins and the other end of said flexible electrical connector is in floating electrical connection with said pins of said high voltage plug through a connection socket.

8. The vehicle end electrical connector of claim 7, wherein one end of said connection socket is provided with a first receptacle and the other end of said connection socket is provided with a second receptacle, the other end of said flexible electrical connector is crimped into said first receptacle, and said contact pin is floatingly connected into said second receptacle.

9. The vehicle-end electrical connector according to claim 8, wherein a third conductive elastic member is pressed between an outer wall surface of the pin and an inner wall surface of the second receptacle of the connection socket, and the third conductive elastic member is used for maintaining electrical connection all the time when the pin floats with the connection socket.

10. The vehicle end electrical connector of claim 9, wherein said third conductive resilient member is a conductive spring;

11. The vehicle end electrical connector of claim 7 further comprising an insulating sleeve having one end connected to said mounting block, said insulating sleeve having a cavity, said flexible electrical connector being located in said cavity.

12. The vehicle end electrical connector of claim 11 wherein said other end of said insulating sleeve is connected to a retaining sleeve, said connection socket being received in said retaining sleeve.

13. The vehicle end electrical connector of claim 1, wherein the mounting base is provided with a mounting hole, and the low-voltage pole is arranged in the mounting hole in a penetrating manner;

14. The vehicle end electrical connector of claim 13, wherein the length direction of the guide slot forms an angle with the central axis of the low voltage pole, the angle being 13-17 degrees.

15. The vehicle end electrical connector of claim 14, wherein the low voltage post has an electrical contact end and a terminal end, the electrical contact end being located outside the mounting hole and the terminal end being located within the mounting hole;

16. The vehicle end electrical connector of claim 15 wherein said cable within said mounting hole is helical in shape.

17. The vehicle end electrical connector of claim 13, further comprising a float plate having a float plate mounting opening, wherein the mounting block is secured to the float plate and extends through the float plate mounting opening.

18. The vehicle end electrical connector of claim 17, 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, and the positioning post 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.

19. The vehicle end electrical connector of claim 18, wherein said positioning post is fixed to said floating plate, and a positioning end of said positioning post is tapered, and a baffle is provided at a middle portion of said positioning post, said baffle extending outward from an outer wall surface of said positioning post in a radial direction of said positioning post.

20. The vehicle end electrical connector of claim 17 further comprising a housing for mounting to a vehicle body bracket, said housing having a receiving cavity, said floating plate being floatingly coupled to said housing with at least a portion of said mounting receptacle positioned within said receiving cavity, said flexible electrical connector being positioned within said receiving cavity.

21. The vehicle-end electrical connector according to claim 20, wherein the housing includes a floating mounting portion and a plug-in mounting portion, the floating mounting portion is located at an outer peripheral edge of a front end of the plug-in mounting portion, the plug-in mounting portion is formed with the accommodating cavity, the floating plate is connected to the floating mounting portion in a floating manner, and the high-voltage plug is connected to the plug-in mounting portion and located outside the accommodating cavity.

22. The vehicle end electrical connector of claim 21 wherein said floating plate and said floating mount are movably coupled by a guide member, said guide member comprising a guide sleeve and a guide screw, said guide sleeve being mounted on said floating mount, said guide screw being threaded through said floating plate and into engagement with said guide sleeve.

23. The vehicle end electrical connector of claim 21 wherein an outer wall surface of said insert mounting portion at an end thereof remote from said floating mounting portion is provided with a boot, an outer wall surface of said boot being provided with a boss;

24. The vehicle end electrical connector of claim 23 wherein said outer wall surface of said one end of said high voltage housing is sealingly engaged with said inner wall surface of said boot.

25. The vehicle end electrical connector of claim 20 wherein said housing is integrally die cast of an aluminum alloy.

26. The vehicle end electrical connector of claim 21, wherein the floating mount portion has at least three attachment holes that are not aligned, the at least three attachment holes being configured to attach the floating mount portion to the vehicle body bracket.

27. The vehicle end electrical connector of claim 21, wherein a sealing groove is disposed in a surface of the floating mounting portion opposite the floating plate, a sealing strip is disposed in the sealing groove, and the floating plate contacts the sealing strip.

28. The vehicle end electrical connector of claim 21, further comprising a gasket surrounding the outer peripheral wall of the floating mount and the entire outer peripheral wall of the floating plate.

29. The vehicle end electrical connector of claim 28, wherein said seal ring comprises:

30. The vehicle-end electrical connector according to claim 29, wherein a first locking portion is provided on a surface of the first engaging portion connected to the floating attachment portion, a first engaging groove is provided on a surface of the floating attachment portion facing away from the floating plate, and the first locking portion is engaged with the first engaging groove.

31. The vehicle-end electrical connector according to claim 30, wherein a second locking portion is provided on a surface of the second engaging portion that is connected to the floating plate, a second engaging groove is provided on a surface of the floating plate that faces away from the floating attachment portion, and the second locking portion is locked to the second engaging groove.

32. The vehicle end electrical connector of claim 31, wherein the first and second latch portions are bumps, collars or ribs.