Electrical connection device
阅读说明:本技术 电连接装置 (Electrical connection device ) 是由 *** 仇丹梁 黄春华 于 2017-06-23 设计创作,主要内容包括:本发明公开了一种电连接装置,其包括:车端电连接器,所述车端电连接器包括第一安装座、第一高压组件、第一低压组件;电池端电连接器,所述电池端电连接器包括第二安装座、第二高压组件、第二低压组件,所述第一高压组件与所述第二高压组件可分离的浮动电连接,第一高压组件包括第一高压极柱、柔性电连接件和高压插头,第一高压极柱具有电接触端和接线端;柔性电连接件的一端与第一高压极柱的接线端浮动电连接,柔性电连接件的另一端与高压插头浮动电连接。本发明能够避免第一高压组件与第二高压组件产生硬性损伤,且能够保证第一高压组件与第二高压组件之间的电接触的稳定性。(The invention discloses an electric connection device, which comprises: the vehicle-end electric connector comprises a first mounting seat, a first high-voltage component and a first low-voltage component; the battery end electric connector comprises a second mounting seat, a second high-voltage assembly and a second low-voltage assembly, wherein the first high-voltage assembly is detachably and electrically connected with the second high-voltage assembly in a floating mode, the first high-voltage assembly comprises a first high-voltage pole, a flexible electric connector and a high-voltage plug, and the first high-voltage pole 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 first high-voltage pole, and the other end of the flexible electric connecting piece is in floating electric connection with the high-voltage plug. The invention can avoid the first high-voltage component and the second high-voltage component from generating hard damage and can ensure the stability of the electric contact between the first high-voltage component and the second high-voltage component.)
1. An electrical connection device, comprising:
the vehicle-end electric connector comprises a first mounting seat, a first high-voltage component and a first low-voltage component, wherein the first high-voltage component and the first low-voltage component are arranged on the first mounting seat in a penetrating mode;
the battery end electric connector comprises a second mounting seat, a second high-voltage component and a second low-voltage component, wherein the second high-voltage component and the second low-voltage component are both arranged on the second mounting seat in a penetrating way, the first high-voltage component and the second high-voltage component are in separable floating electric connection,
the first high-voltage component comprises a first high-voltage pole, a flexible electric connector and a high-voltage plug, and the first high-voltage pole 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 first high-voltage pole, and the other end of the flexible electric connecting piece is in floating electric connection with the high-voltage plug.
2. The electrical connection device as defined in claim 1, wherein the first low voltage component is electrically connected to the second low voltage component separable ground plane.
3. The electrical connection device as claimed in claim 1, wherein the first mounting seat is detachably connected with the second mounting seat in a sealing manner, and the first mounting seat is arranged opposite to the second mounting seat.
4. The electrical connection device of claim 1, wherein the first high-voltage assembly comprises a first high-voltage pole, a first high-voltage mounting hole is formed in the first pole mounting plate of the first mounting seat, an elastic member is sleeved on the outer wall surface of the first high-voltage pole, the elastic member is located in the first high-voltage mounting hole, one end of the elastic member abuts against the first high-voltage mounting hole, and the other end of the elastic member abuts against the first high-voltage pole.
5. The electrical connection device according to claim 1, wherein the electrical contact end of the first high-voltage pole protrudes out of a surface of the first mounting seat opposite to the second mounting seat, a groove is formed in an end surface of the electrical contact end, the groove is recessed inwards along an axial direction of the first high-voltage pole, a first conductive elastic member is embedded in the groove, and the first conductive elastic member protrudes out of the end surface of the electrical contact end.
6. The electrical connection device according to claim 5, wherein the second high-voltage component includes a second high-voltage pole having an electrical contact end and a terminal, the electrical contact end of the second high-voltage pole is parallel to a surface of the second mounting seat opposite to the first mounting seat, the electrical contact end of the second high-voltage pole is detachably and floatingly electrically connected to the electrical contact end of the first high-voltage pole through the first conductive elastic member, and the first conductive elastic member is pressed between the groove and the electrical contact end of the second high-voltage pole.
7. The electrical connection device as claimed in claim 6 wherein the recess is an annular recess having an axis coincident with the axis of the first high voltage pole;
and/or the first conductive elastic piece is a conductive spring;
and/or the contact surfaces of the electric contact ends of the first high-voltage pole and the second high-voltage pole are both planes.
8. The electrical connection device as claimed in claim 1, wherein the terminal of the first high-voltage terminal post is provided with a wiring groove recessed inward in an axial direction of the first high-voltage terminal post, and one end of the flexible electrical connector is crimped to the wiring groove and a second conductive elastic member is crimped between the flexible electrical connector and an inner wall of the wiring groove.
9. The electrical connection device as claimed in claim 8 wherein the flexible electrical connector accommodates changes in axial and radial relative displacement between the first high voltage pole and the high voltage plug through a flexible cavity.
10. The electrical connection device as claimed in claim 9 wherein the flexible cavity is located outside the first high voltage pole and the high voltage plug and is made of a flexible conductive material.
11. The electrical connection device as claimed in claim 9, wherein the flexible electrical connector further comprises: the flexible cavity comprises a first electric connector and a second electric connector, wherein two ends of the flexible cavity are respectively connected with the first electric connector and the second electric connector.
12. The electrical connection device as claimed in claim 11, wherein the other end of the first electrical connector is crimped to the wire connection groove with the second conductive elastic member being crimped between the other end and an inner wall of the wire connection groove;
and/or the presence of a gas in the gas,
and the other end of the second electric connector is in floating electric connection with the high-voltage plug.
13. The electrical connection device as claimed in claim 11 wherein the flexible electrical connector comprises a spring, the spring being located within the flexible cavity and having two ends connected to the first electrical connector and the second electrical connector, respectively.
14. The electrical connection device as claimed in claim 1, wherein the high voltage plug includes a pin, the other end of the flexible electrical connector is in floating electrical connection with the pin of the high voltage plug through a connection socket, 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 electrical connector is crimped in the first jack, the pin is in floating connection in the second jack, and a third conductive elastic member is crimped between the flexible electrical connector and the inner wall of the first jack and/or between the pin and the inner wall of the second jack.
15. The electrical connection device according to claim 6, wherein a high-voltage mounting hole is formed in the second mounting seat, the second high-voltage pole is inserted into the high-voltage mounting hole, and a positioning portion is formed on an outer wall surface of the second high-voltage pole and used for limiting movement of the second high-voltage pole relative to the second mounting seat along an axial direction of the high-voltage mounting hole.
16. The electrical connection device as claimed in claim 15, wherein the positioning portion is a protruding point, a protruding ring, a wedge block or a barb portion, and the sidewall of the high voltage installation hole is provided with a recessed portion matching the shape of the positioning portion.
17. The electrical connection device as claimed in claim 2, wherein the first low voltage assembly comprises a first low voltage pole having an electrical contact end and a terminal end, the electrical contact end protruding from a surface of the first mounting block disposed opposite the second mounting block;
the second low-voltage component comprises a second low-voltage pole, the second low-voltage pole is provided with an electric contact end and a wiring end, the electric contact end of the second low-voltage pole is parallel to a surface, opposite to the first mounting seat, in the second mounting seat, and the electric contact end of the second low-voltage pole is electrically connected with the separable plane of the electric contact end of the first low-voltage pole.
18. The electrical connection device as claimed in claim 17, wherein the first mounting seat is provided with a first low-voltage mounting hole, and the first low-voltage pole is inserted into the first low-voltage mounting hole;
the first 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 first low-voltage pole and extends outwards along the radial direction of the first low-voltage pole;
the guide way, the guide way set up in the lateral wall of first low pressure mounting hole, when the guide foot removes to the guide way in, the guide foot cunning is located the guide way, the guide foot with the guide way cooperation is used for injecing the direction of rotation of first low pressure utmost point post.
19. The electrical connection device of claim 18,
elastic component is established to the outer wall cover of first low pressure utmost point post, elastic component is used for driving first low pressure utmost point post is followed the guide foot with the direction of rotation that the guide way set up removes.
20. The electrical connection device as claimed in claim 18, wherein the length direction of the guide groove forms an angle with the central axis of the first low voltage pole.
21. An electrical connection device, comprising: the vehicle-end electric connector comprises a first mounting seat, a first high-voltage component, a first low-voltage component and a battery-end electric connector, wherein the battery-end electric connector comprises a second mounting seat, a second high-voltage component and a second low-voltage component;
the first mount includes:
the floating plate is detachably connected with the second mounting seat in a sealing manner, and a floating plate mounting opening is formed in the floating plate;
the first pole mounting plate is fixed on the floating plate and penetrates through the floating plate mounting opening, and the first high-voltage component and the first low-voltage component are arranged on the first pole mounting plate in a penetrating manner; and/or the presence of a gas in the gas,
the second mount includes:
the fixed plate is detachably and hermetically connected with the floating plate, and a fixed plate mounting opening is formed in the fixed plate;
the second utmost point post mounting panel, the second utmost point post mounting panel is fixed in the fixed plate runs through in the fixed plate installing port, just the second utmost point post mounting panel with first utmost point post mounting panel sets up relatively, the second high voltage subassembly with the second low pressure subassembly is all worn to locate the second utmost point post mounting panel.
Technical Field
The invention relates to the field of electric automobiles, in particular to an electric connecting device for electrically connecting a battery and an electric automobile.
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 conventional vehicle-end electric connector adopts a fixed pole to be plugged with the battery-end electric connector, and the pole is easy to damage when the vehicle-end electric connector is subjected to extrusion force in the vertical direction.
Disclosure of Invention
The invention aims to solve the technical problem of providing an electric connecting device in order to overcome the defect that a traditional vehicle-end electric connector in the prior art is easy to damage a pole when being subjected to extrusion force in the vertical direction due to the fact that the fixed pole is inserted into a battery-end electric connector.
The invention solves the technical problems through the following technical scheme:
an electrical connection device, characterized in that it comprises:
the vehicle-end electric connector comprises a first mounting seat, a first high-voltage component and a first low-voltage component, wherein the first high-voltage component and the first low-voltage component are arranged on the first mounting seat in a penetrating mode;
battery end electric connector, battery end electric connector includes second mount pad, second high pressure subassembly, second low pressure subassembly, the second high pressure subassembly with the second low pressure subassembly is all worn to locate the second mount pad, the separable floating electricity of first high pressure subassembly and second high pressure subassembly is connected, and the separable plane electricity of first low pressure subassembly and second low pressure subassembly is connected, first mount pad and second mount pad detachable sealing connection, just first mount pad with the second mount pad sets up relatively.
In this scheme, the first high voltage subassembly of car end electric connector floats with the second high voltage subassembly of battery end electric connector and is connected, has certain displacement of floating when having the extrusion along its axis direction between the two, can eliminate produced extrusion force, avoids first high voltage subassembly and second high voltage subassembly to produce rigid damage, and can guarantee the stability of the electric contact between first high voltage subassembly and the second high voltage subassembly.
In addition, the first low-voltage component of the vehicle-end electric connector is in surface contact with the second low-voltage component of the battery-end electric connector, so that the contact area of the vehicle-end electric connector and the low-voltage component of the battery-end electric connector can be ensured, and the reliability of electric connection between the vehicle-end electric connector and the battery-end electric connector is further ensured.
In addition, first mount pad and the detachable sealing connection of second mount pad can form seal structure between the car end electric connector and the battery end electric connector installation back both to improve car end electric connector and battery end electric connector's waterproof performance.
Preferably, the first high-voltage component includes a first high-voltage pole, the first high-voltage pole has an electrical contact end and a terminal end, the electrical contact end protrudes out of a surface of the first mounting seat, the surface of the first mounting seat is opposite to the surface of the second mounting seat, a groove is arranged on an end surface of the electrical contact end, the groove is recessed inwards along an axial direction of the first high-voltage pole, a first conductive elastic member is embedded in the groove, and the first conductive elastic member protrudes out of the end surface of the electrical contact end;
the second high-voltage component comprises a second high-voltage pole, the second high-voltage pole is provided with an electric contact end and a wiring end, the electric contact end of the second high-voltage pole is parallel to the surface, opposite to the first mounting seat, in the second mounting seat, the electric contact end of the second high-voltage pole passes through the first conductive elastic piece and the first high-voltage pole, the electric contact end is detachably connected with floating electricity, and the first conductive elastic piece is pressed and arranged in the groove and between the electric contact ends of the second high-voltage pole.
In this scheme, the electrical contact end of car end electric connector's first high-pressure utmost point post 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 and battery end electric connector's high pressure is floated and is connected, and 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 first high-voltage pole;
and/or the first conductive elastic piece is a conductive spring;
and/or the contact surfaces of the electric contact ends of the first high-voltage pole and the second high-voltage pole are both planes.
In this scheme, the contact surface of the electric contact end of first high voltage utmost point post and second high voltage utmost point post is the plane, can guarantee the area of contact that the first high voltage utmost point post of car end electric connector and the second high voltage utmost point post electricity of battery end electric connector are connected, and then guarantee the reliability that both electricity are connected.
Preferably, the first high voltage assembly further comprises:
one end of the flexible electric connecting piece is in floating electric connection with the wiring end of the first high-voltage pole;
and the high-voltage plug is electrically connected with the other end of the flexible electric connector in a floating manner.
In this scheme, make the both ends homoenergetic of first high voltage utmost point post realize floating the 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 that car end electric connector and battery end electric connector are connected.
In addition, the high-voltage plug is in floating electrical connection with the first high-voltage pole through the flexible electrical connector, so that the stability of electrical connection between the first high-voltage pole and the high-voltage plug in axial movement and radial rotation can be improved, and the safety and the electrical conduction effect of the electrical connection device can be improved.
Preferably, the wiring end of the first high-voltage pole is provided with a wiring groove, the wiring groove is recessed inwards along the axial direction of the first 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 wiring groove 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 first 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 first 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 first 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 high-voltage plug includes the contact pin, flexible electric connector's the other end through connect socket with the high-voltage plug the contact pin is floated to be connected electrically, connect socket's one end is equipped with first jack, connect socket's the other end is equipped with the second jack, flexible electric connector's the other end crimping in the first jack, the contact pin float connect in the second jack, just flexible electric connector with the inner wall of first jack and/or the contact pin with the inner wall of second jack is pressed and is equipped with the electrically conductive elastic component of third.
Preferably, a high-pressure mounting hole is formed in the second mounting seat, the second high-pressure pole penetrates through the high-pressure mounting hole, a positioning portion is arranged on the outer wall surface of the second high-pressure pole, and the positioning portion is used for limiting the second high-pressure pole to move relative to the second mounting seat along the axis direction of the high-pressure mounting hole.
In this scheme, the setting of location portion has improved the connection reliability between second high-voltage post and the second mount pad.
Preferably, location portion is bump, bulge loop, wedge or barb portion, the lateral wall of high pressure mounting hole be equipped with location portion assorted depressed part.
Preferably, the first low-voltage assembly comprises a first low-voltage pole having an electrical contact end and a terminal, the electrical contact end protruding out of a surface of the first mounting seat disposed opposite to the second mounting seat;
the second low-voltage component comprises a second low-voltage pole, the second low-voltage pole is provided with an electric contact end and a wiring end, the electric contact end of the second low-voltage pole is parallel to a surface, opposite to the first mounting seat, in the second mounting seat, and the electric contact end of the second low-voltage pole is electrically connected with the separable plane of the electric contact end of the first low-voltage pole.
Preferably, the first mounting seat is provided with a first low-voltage mounting hole, and the first low-voltage pole penetrates through the first low-voltage mounting hole;
the first low pressure assembly further includes a rotary self-cleaning mechanism, the rotary self-cleaning mechanism including:
a guide pin arranged on the outer wall surface of the first low-voltage pole column and along the outer wall surface
The first low-voltage pole extends outwards in the radial direction;
a guide slot disposed on a side wall of the first low-pressure mounting hole, serving as a guide
When the foot moves into the guide groove, the guide foot is arranged in the guide groove in a sliding manner, and the guide foot and the guide groove
The guide groove is matched with the first low-voltage pole in a limiting mode;
elastic component is established to the outer wall cover of first low pressure utmost point post, elastic component is used for driving first low pressure utmost point post is followed the guide foot with the direction of rotation that the guide way set up removes.
In this scheme, prescribe a limit to the direction of rotation of first low pressure utmost point post through guide pin and guide way cooperation to drive the direction of rotation removal that first low pressure utmost point post set up along the guide way through elastomeric element, thereby reach the effect of the contact surface of clean first low pressure utmost point post, improve the stability of the electric contact of first low pressure utmost point post and second low pressure utmost point post, and then improve the stability of the electric contact of car end electric connector and battery end electric connector.
Preferably, an included angle is formed between the length direction of the guide groove and the central axis of the first low-voltage pole, and the included angle is 13-17 degrees.
Preferably, the first low-voltage assembly further comprises a cable, one end of the cable is inserted into the terminal of the first low-voltage pole, and the cable located in the first low-voltage mounting hole is spiral.
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, a second low-voltage mounting hole is formed in the second mounting seat, the second low-voltage pole penetrates through the second low-voltage mounting hole, a positioning portion is arranged on the outer wall surface of the second low-voltage pole, and the positioning portion is used for limiting the second low-voltage pole to move relative to the second mounting seat along the axis direction of the second low-voltage mounting hole.
In this scheme, the setting of location portion has improved the connection reliability between second low pressure utmost point post and the second mount pad.
Preferably, location portion is bump, bulge loop, wedge or barb portion, the lateral wall of second low pressure mounting hole be equipped with location portion assorted depressed part.
Preferably:
the first mount includes:
the floating plate is detachably connected with the second mounting seat in a sealing manner, and a floating plate mounting opening is formed in the floating plate;
the first pole mounting plate is fixed on the floating plate and penetrates through the floating plate mounting opening, and the first high-voltage component and the first low-voltage component are arranged on the first pole mounting plate in a penetrating manner;
the second mount includes:
the fixed plate is detachably and hermetically connected with the floating plate, and a fixed plate mounting opening is formed in the fixed plate;
the second utmost point post mounting panel, the second utmost point post mounting panel is fixed in the fixed plate runs through in the fixed plate installing port, just the second utmost point post mounting panel with first utmost point post mounting panel sets up relatively, the second high voltage subassembly with the second low pressure subassembly is all worn to locate the second utmost point post mounting panel.
Preferably, the vehicle-end electrical connector further comprises a housing, the housing is configured to be mounted on a vehicle body bracket, the housing has an accommodating cavity, the floating plate is connected to the housing in a floating manner and is in sealed connection with the housing, and at least a part of the first pole mounting plate is located in the accommodating 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, and with unsteady installation department sealing connection.
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 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 first seal ring, and the first seal ring covers the outer peripheral wall of the floating installation portion and the entire outer peripheral wall of the floating plate, and is detachably and hermetically connected to the fixed plate.
In this scheme, the setting of first sealing washer can form elastic seal between car end electric connector and battery end electric connector installation back both to improve car end electric connector and battery end electric connector's waterproof performance, 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 first seal ring comprises:
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, connected with the floating plate, of the belt-shaped annular ring body, and is connected to one surface, deviating from the floating installation part, of the floating plate and detachably and hermetically connected with the fixed plate.
In this scheme, first sealing washer will float installation department and floating plate parcel simultaneously inside through encircling formula, 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 first sealing ring and the floating installation part and between the first sealing ring and the floating plate is effectively improved, the first 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, away from the floating plate, of the floating installation part, and the first clamping part is clamped in the first clamping groove;
and a second clamping groove is formed in one surface, deviating from the floating installation part, of the floating plate, and the second clamping groove is clamped in the second clamping groove.
In this scheme, first card end card is located first draw-in groove and second card end card is located the second draw-in groove, can further strengthen first sealing washer and the joint strength between floating installation department and first sealing washer and the floating plate, has effectively improved first sealing washer and the stability of floating installation department in connecting and using.
Preferably, the first clamping part and the second clamping part are both convex points, convex rings or convex strips;
and/or the first clamping part and the second clamping part are both T-shaped clamping parts.
Preferably, the battery-end electrical connector further includes a second sealing ring that is sealingly attached to a peripheral edge of a surface of the stationary plate that is disposed opposite to the floating plate.
In this scheme, the setting of second sealing washer can further improve the leakproofness of car end electric connector and battery end electric connector junction to improve car end electric connector and battery end electric connector's waterproof performance.
Preferably, a third clamping groove is formed in the fixed plate at the periphery of one surface opposite to the floating plate, and the third clamping groove is recessed inwards along the thickness direction of the fixed plate;
the second seal ring includes:
the annular sealing body is pressed on the periphery of one surface, opposite to the floating plate, of the fixed plate, and the annular sealing body is detachably connected with the second clamping part of the first sealing ring in a sealing manner;
the clamping part extends outwards from one surface, opposite to the fixed plate, of the annular sealing body along the thickness direction of the annular sealing body, and the clamping part is clamped in the third clamping groove.
In this scheme, stop portion card and locate the third card inslot, can further strengthen the joint strength between second sealing washer and the fixed plate, effectively improved second sealing washer and fixed plate stability being connected and using.
Preferably, the clamping part of the second sealing ring is a convex point, a convex ring or a convex strip;
and/or the clamping part of the second sealing ring is a T-shaped clamping part.
Preferably:
the vehicle-end electric connector also comprises a first positioning assembly, the first positioning assembly is arranged on the floating plate, and one end of the first positioning assembly, which is close to the fixed plate, protrudes out of the floating plate;
the battery end electric connector further comprises a second positioning assembly, the second positioning assembly is installed on the fixing plate, and one end, close to the fixing plate, of the first positioning assembly is embedded in the second positioning assembly.
In this scheme, the second locating component that sets up on the fixing base of locating battery end electric connector is inlayed to the first locating component that sets up on the floating plate of car end electric connector, can avoid like this that the first high-pressure utmost point post and the first low pressure utmost point post of car end electric connector cause the damage because of the location is inaccurate when contacting with the second high-pressure utmost point post and the second low pressure utmost point post of battery end electric connector respectively, and the cooperation structure of first locating component and second locating component can also protect the influence that high-pressure utmost point post and low pressure utmost point post after pegging graft received the ascending power in radial direction.
Preferably, the floating plate is provided with a first positioning installation hole;
the first positioning component comprises a positioning column, one end of the positioning column, which is far away from the fixed plate, is embedded and riveted in the first positioning mounting hole, and one end of the positioning column, which is close to the fixed plate, protrudes out of the floating plate;
the second positioning assembly comprises a positioning sleeve, the positioning sleeve is arranged on the fixed plate, and one end, close to the fixed plate, of the positioning column is embedded in the positioning sleeve.
In this scheme, the reference column that sets up on car end electric connector's the floating plate inlays the position sleeve that sets up on locating battery end electric connector's the fixing base, the reference column of car end electric connector earlier with the position sleeve location of battery end electric connector when can making car end electric connector and battery end electric connector contact like this, later first high-pressure utmost point post and the first low voltage utmost point post of car end electric connector just contact with the last corresponding second high-pressure utmost point post and the second low voltage utmost point post of battery end electric connector, can avoid first high-pressure utmost point post and the first low voltage utmost point post of car end electric connector to cause the damage because of the location inaccuracy when contacting with the second high-pressure utmost point post and the second low voltage utmost point post of battery end electric connector respectively, and the cooperation structure of reference column and position sleeve can also protect the high-pressure utmost point post and the low voltage utmost point post after pegging graft to receive the influence of the power in.
Preferably, the other end of the positioning column is conical.
In this scheme, the other end of reference column is the toper, is convenient for peg graft the reference column in the position sleeve of battery end electrical connector.
Preferably, a second positioning mounting hole is formed in the fixing plate, and the positioning sleeve is buried and riveted in the second positioning mounting hole.
An electrical connection device, comprising:
the vehicle-end electric connector comprises a first mounting seat, a first high-voltage component and a first low-voltage component, wherein the first high-voltage component and the first low-voltage component are arranged on the first mounting seat in a penetrating mode;
the battery end electric connector comprises a second mounting seat, a second high-voltage component and a second low-voltage component, wherein the second high-voltage component and the second low-voltage component are both arranged on the second mounting seat in a penetrating way, the first high-voltage component and the second high-voltage component are in separable floating electric connection,
the first high-voltage component comprises a first high-voltage pole, a flexible electric connector and a high-voltage plug, and the first high-voltage pole 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 first high-voltage pole, and the other end of the flexible electric connecting piece is in floating electric connection with the high-voltage plug.
Preferably, the first low voltage component and the second low voltage component are electrically connected in a separable plane.
Preferably, the first mounting seat is detachably connected with the second mounting seat in a sealing manner, and the first mounting seat is arranged opposite to the second mounting seat.
Preferably, the first high-voltage assembly comprises a first high-voltage pole, a first high-voltage mounting hole is formed in a first pole mounting plate of the first mounting seat, an elastic component is sleeved on the outer wall surface of the first high-voltage pole and located in the first high-voltage mounting hole, one end of the elastic component abuts against the first high-voltage mounting hole, and the other end of the elastic component abuts against the first high-voltage pole;
preferably, the electric contact end of the first high-voltage pole protrudes out of a surface of the first mounting seat, which is opposite to the second mounting seat, and a groove is formed in an end surface of the electric contact end, the groove is recessed inwards along the axial direction of the first high-voltage pole, a first conductive elastic member is embedded in the groove, and the first conductive elastic member protrudes out of the end surface of the electric contact end;
preferably, the second high-voltage component comprises a second high-voltage pole, the second high-voltage pole is provided with an electric contact end and a wiring end, the electric contact end of the second high-voltage pole is parallel to a surface, opposite to the first mounting seat, in the second mounting seat, the electric contact end of the second high-voltage pole is connected with the separable floating electric connection of the electric contact end of the first high-voltage pole through the first conductive elastic part, and the first conductive elastic part is pressed and arranged between the groove and the electric contact end of the second high-voltage pole.
Preferably, the groove is an annular groove, and the axis of the annular groove is overlapped with the axis of the first high-voltage pole;
and/or the first conductive elastic piece is a conductive spring;
and/or the contact surfaces of the electric contact ends of the first high-voltage pole and the second high-voltage pole are both planes.
Preferably, the wiring end of the first high-voltage pole is provided with a wiring groove, the wiring groove is recessed inwards along the axial direction of the first 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 wiring groove and the inner wall of the wiring groove in a pressing mode.
Preferably, the flexible electric connector adapts to the relative displacement change of each angle in the axial direction and the radial direction between the first high-voltage pole and the high-voltage plug through a flexible cavity.
Preferably, the flexible cavity is located outside the first high-voltage pole and the high-voltage plug and is made of a flexible conductive material.
Preferably, the flexible electrical connector further comprises: the flexible cavity comprises a first electric connector and a second electric connector, wherein two ends of the flexible cavity are respectively connected with the first electric connector and the second electric connector.
Preferably, the other end of the first electric connector is pressed and connected with the wiring groove, and the second conductive elastic piece is pressed and connected with the inner wall of the wiring groove; and/or the presence of a gas in the gas,
the other end of the second electric connector is in floating electric connection with the high-voltage plug;
preferably, the flexible electrical connector comprises a spring, the spring is located in the flexible cavity, and two ends of the spring are respectively connected with the first electrical connector and the second electrical connector.
Preferably, the high-voltage plug includes the contact pin, flexible electric connector's the other end through connect socket with the high-voltage plug the contact pin is floated to be connected electrically, connect socket's one end is equipped with first jack, connect socket's the other end is equipped with the second jack, flexible electric connector's the other end crimping in the first jack, the contact pin float connect in the second jack, just flexible electric connector with the inner wall of first jack and/or the contact pin with the inner wall of second jack is pressed and is equipped with the electrically conductive elastic component of third.
Preferably, a high-pressure mounting hole is formed in the second mounting seat, the second high-pressure pole penetrates through the high-pressure mounting hole, a positioning portion is arranged on the outer wall surface of the second high-pressure pole, and the positioning portion is used for limiting the second high-pressure pole to move relative to the second mounting seat along the axis direction of the high-pressure mounting hole.
Preferably, location portion is bump, bulge loop, wedge or barb portion, the lateral wall of high pressure mounting hole be equipped with location portion shape assorted depressed part.
Preferably, the first low-voltage assembly comprises a first low-voltage pole having an electrical contact end and a terminal, the electrical contact end protruding out of a surface of the first mounting seat disposed opposite to the second mounting seat;
the second low-voltage component comprises a second low-voltage pole, the second low-voltage pole is provided with an electric contact end and a wiring end, the electric contact end of the second low-voltage pole is parallel to a surface, opposite to the first mounting seat, in the second mounting seat, and the electric contact end of the second low-voltage pole is electrically connected with the separable plane of the electric contact end of the first low-voltage pole.
Preferably, the first mounting seat is provided with a first low-voltage mounting hole, and the first low-voltage pole penetrates through the first low-voltage mounting hole;
the first 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 first low-voltage pole and extends outwards along the radial direction of the first low-voltage pole;
the guide way, the guide way set up in the lateral wall of first low pressure mounting hole, when the guide foot removes to the guide way in, the guide foot cunning is located the guide way, the guide foot with the guide way cooperation is used for injecing the direction of rotation of first low pressure utmost point post.
Preferably, an elastic component is sleeved on the outer wall surface of the first low-voltage pole, and the elastic component is used for driving the first low-voltage pole to move along the rotation direction of the guide pin and the guide groove.
Preferably, an included angle is formed between the length direction of the guide groove and the central axis of the first low-voltage pole.
An electric connecting device is a vehicle-end electric connector, and the vehicle-end electric connector comprises a first mounting seat, a first high-voltage component, a first low-voltage component and a battery-end electric connector, wherein the battery-end electric connector comprises a second mounting seat, a second high-voltage component and a second low-voltage component;
the first mount includes:
the floating plate is detachably connected with the second mounting seat in a sealing manner, and a floating plate mounting opening is formed in the floating plate;
the first pole mounting plate is fixed on the floating plate and penetrates through the floating plate mounting opening, and the first high-voltage component and the first low-voltage component are arranged on the first pole mounting plate in a penetrating manner; and/or the presence of a gas in the gas,
the second mount includes:
the fixed plate is detachably and hermetically connected with the floating plate, and a fixed plate mounting opening is formed in the fixed plate;
the second utmost point post mounting panel, the second utmost point post mounting panel is fixed in the fixed plate runs through in the fixed plate installing port, just the second utmost point post mounting panel with first utmost point post mounting panel sets up relatively, the second high voltage subassembly with the second low pressure subassembly is all worn to locate the second utmost point post mounting panel.
Preferably, the vehicle-end electrical connector further comprises a housing, the housing is configured to be mounted on a vehicle body bracket, the housing has an accommodating cavity, the floating plate is connected to the housing in a floating manner and is in sealed connection with the housing, and at least a part of the first pole mounting plate is located in the accommodating 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, and with unsteady installation department sealing connection.
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 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.
Preferably, the vehicle-end electrical connector further includes a first seal ring, and the first seal ring covers the outer peripheral wall of the floating installation portion and the entire outer peripheral wall of the floating plate, and is detachably and hermetically connected to the fixed plate.
Preferably, the first seal ring comprises:
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, connected with the floating plate, of the belt-shaped annular ring body, and is connected to one surface, deviating from the floating installation part, of the floating plate and detachably and hermetically connected with the fixed plate.
Preferably, a first clamping groove is formed in one surface, away from the floating plate, of the floating installation part, and the first clamping part is clamped in the first clamping groove;
and a second clamping groove is formed in one surface, deviating from the floating installation part, of the floating plate, and the second clamping groove is clamped in the second clamping groove.
Preferably, the first clamping part and the second clamping part are both convex points, convex rings or convex strips;
and/or the first clamping part and the second clamping part are both T-shaped clamping parts.
Preferably, the battery-end electrical connector further includes a second sealing ring that is sealingly attached to a peripheral edge of a surface of the stationary plate that is disposed opposite to the floating plate.
Preferably, a third clamping groove is formed in the fixed plate at the periphery of one surface opposite to the floating plate, and the third clamping groove is recessed inwards along the thickness direction of the fixed plate;
the second seal ring includes:
the annular sealing body is pressed on the periphery of one surface, opposite to the floating plate, of the fixed plate, and the annular sealing body is detachably connected with the second clamping part of the first sealing ring in a sealing manner;
the clamping part extends outwards from one surface, opposite to the fixed plate, of the annular sealing body along the thickness direction of the annular sealing body, and the clamping part is clamped in the third clamping groove.
Preferably, the clamping part of the second sealing ring is a convex point, a convex ring or a convex strip;
and/or the clamping part of the second sealing ring is a T-shaped clamping part.
Preferably, the vehicle-end electrical connector further comprises a first positioning assembly, the first positioning assembly is mounted on the floating plate, and one end of the first positioning assembly, which is close to the fixed plate, protrudes out of the floating plate;
the battery end electric connector further comprises a second positioning assembly, the second positioning assembly is installed on the fixing plate, and one end, close to the fixing plate, of the first positioning assembly is embedded in the second positioning assembly.
Preferably, the floating plate is provided with a first positioning installation hole;
the first positioning component comprises a positioning column, one end of the positioning column, which is far away from the fixed plate, is embedded and riveted in the first positioning mounting hole, and one end of the positioning column, which is close to the fixed plate, protrudes out of the floating plate;
the second positioning assembly comprises a positioning sleeve, the positioning sleeve is arranged on the fixed plate, and one end, close to the fixed plate, of the positioning column is embedded in the positioning sleeve.
Preferably, the other end of the positioning column is conical.
Preferably, a second positioning mounting hole is formed in the fixing plate, and the positioning sleeve is buried and riveted in the second positioning mounting hole.
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:
(1) the first high-voltage component of the vehicle-end electric connector is in floating electric connection with the second high-voltage component of the battery-end electric connector, and when extrusion is carried out between the first high-voltage component and the second high-voltage component along the axial direction of the first high-voltage component and the second high-voltage component, certain floating displacement is achieved, the generated extrusion force can be eliminated, the first high-voltage component and the second high-voltage component are prevented from generating rigid damage, and the stability of electric contact between the first high-voltage component and the second high-voltage component can be ensured;
(2) the first low-voltage component of the vehicle-end electric connector is in surface contact with the second low-voltage component of the battery-end electric connector, so that the contact area of the vehicle-end electric connector and the low-voltage component of the battery-end electric connector can be ensured, and the reliability of electric connection between the vehicle-end electric connector and the battery-end electric connector is further ensured;
(3) first mount pad and second mount pad detachable sealing connection can form seal structure between the car end electric connector and the battery end electric connector installation back both to improve car end electric connector and battery end electric connector's waterproof performance.
Drawings
Fig. 1 is a schematic perspective view of an electrical connection device according to a preferred embodiment of the invention.
Fig. 2 is a schematic front view of an electrical connection device according to a preferred embodiment of the invention.
Fig. 3 is a schematic sectional view along a-a in fig. 2.
Fig. 4 is a front view of the vehicle-end electrical connector of the electrical connection device according to the preferred embodiment of the invention.
Fig. 5 is a schematic sectional view taken along the line B-B in fig. 4.
Fig. 6 is a schematic sectional view taken along the section C-C in fig. 4.
FIG. 7 is a schematic view of the structure of the flexible electrical connector portion of the vehicle-end electrical connector of the electrical connection device according to the preferred embodiment of the present invention.
Fig. 8 is a partial structural view of the low-voltage component of the vehicle-end electrical connector of the electrical connection device according to the preferred embodiment of the invention.
Fig. 9 is a schematic structural view of a low-voltage pole of the vehicle-end electrical connector of the electrical connection device according to the preferred embodiment of the invention.
Fig. 10 is a schematic view of the internal structure of the battery-end electrical connector of the electrical connection device according to the preferred embodiment of the invention.
Fig. 11 is an enlarged schematic view of a portion D in fig. 10.
Fig. 12 is an enlarged schematic view of a portion E in fig. 10.
Description of reference numerals:
an electrical connection device: 1
Vehicle end electrical connector: 3
A housing: 30
Floating installation part: 300
Sealing groove: 3001
Sealing strips: 3002
A first card slot: 3003
Plug-in mounting part: 301
Protecting a sleeve: 3010
A boss: 3011
An accommodating cavity: 302
A first mounting seat: 31
A floating plate: 310
A second card slot: 3100
Mounting a floating plate: 3101
First location mounting hole: 3102
First utmost point post mounting panel: 311
First high-pressure mounting hole: 3110
First low pressure mounting hole: 3111
A first high voltage component: 32
A first high-voltage pole: 320
Groove: 3200
Wiring groove: 3201
Flexible electrical connection: 321
A first electrical connector: 3210
Flexible cavity: 3211
A second electrical connector: 3212
A spring: 3213
High-voltage plug: 322
High-voltage shell: 3220
Insulator: 3221
Inserting a pin: 3222
Locking: 3223
Connecting a socket: 323
A first receptacle: 3230
A second insertion hole: 3231
A second conductive elastic member: 324
Third conductive elastic member: 325
Insulating sleeve: 326
A cavity: 3260
Fixing a sleeve: 327
A first low-voltage component: 33
A first low-voltage pole: 330
A guide leg: 331
A guide groove: 332
An elastic member: 333
A cable: 334
Limiting groove: 335
A guide member: 34
A guide sleeve: 340
A guide screw: 341
A first seal ring: 35
Band-shaped annular ring body: 350
A first engaging portion: 351
A second engaging portion: 352
First locking part: 353
Second locking part: 354
Positioning columns: 36
Positioning the end: 360
Battery end electrical connector: 5
A second mounting seat: 50
Fixing a plate: 500
A fixing plate mounting port: 5000
A third clamping groove: 5001
Second location mounting hole: 5002
Second pole mounting panel: 501
Second high-pressure mounting hole: 5010
A recessed part: 50100
Second low pressure mounting hole: 5011
A recessed part: 50110
A second high voltage component: 51
A second high-voltage pole: 510
An electric contact end: 5100
Positioning part: 511
A second low-voltage component: 52
A second low-voltage pole: 520
An electric contact end: 5200
Positioning part: 521
A second sealing ring: 53
An annular seal body: 530
Third locking part: 531
Positioning sleeve: 54
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 an electrical connection device 1. The electrical connection device 1 includes a vehicle-end
The housing 30 is used for being mounted on a vehicle body support, and the housing 30 is formed by aluminum alloy through integral die casting. The housing 30 includes a floating
As will be understood in conjunction with fig. 6, the floating
As shown in fig. 5, the floating
As shown in fig. 3 and 10, the battery-end
Wherein the second mounting seat 50 includes a fixing
In the present embodiment, the first high voltage component 32 of the vehicle-end
The first low-
The floating
As shown in fig. 3-5, the first high voltage assembly 32 includes a first
The outer wall cover of first high voltage
The first
As shown in fig. 3 and 10, the second high voltage assembly 51 comprises a second
The electric contact end of the first high-
As will be understood from fig. 11, the second
Preferably, the positioning portion 511 is a convex point, a convex ring, a wedge block or a barb portion. The side wall of the second high-pressure mounting hole 5010 is provided with a recessed portion 50100 which matches the positioning portion.
As shown in fig. 5, the groove 3200 of the first high-
As shown in fig. 5, the first high voltage assembly 32 further includes a flexible electrical connector 321 and a high voltage plug 322. One end of the flexible electrical connector 321 is in floating electrical connection with the terminal of the first high
In this embodiment, the two ends of the first high-
In addition, a wire connection groove 3201 is formed in the terminal of the first high-
As will be understood in conjunction with fig. 7, the flexible electrical connector 321 includes a first electrical connector 3210, a flexible cavity 3211, a second electrical connector 3212, and a spring 3213. One end of the first electrical connector 3210 is pressed against the wire connecting groove 3201, and the second conductive elastic member 324 is pressed between the first electrical connector and the inner wall of the wire connecting groove 3201.
One end of the flexible cavity 3211 is crimped or welded to the other end of the first electrical connector 3210. And the flexible cavity 3211 is located outside the first high-
In addition, the flexible cavity 3211 is crimped or welded to the first electrical connector 3210 and the second electrical connector 3212, so that the structural connection strength of the flexible electrical connector 321 is enhanced, and the electrical connection stability of the flexible electrical connector 321 is ensured. The spring 3213 can effectively reinforce the structural strength of the flexible electrical connector 321, so that the two ends of the flexible cavity 3211 can ensure the electrical connection effect of the flexible electrical connector 321 when the relative displacement changes. In addition, the spring 3213 has a conductive function, and can further improve the stability of electrical connection between the first electrical connector 3210 and the second electrical connector 3212.
As shown in fig. 5 and 7, the high-voltage plug 322 is provided to the card mounting portion 301 of the housing 30 and outside the accommodation chamber 302. The outer wall surface of one end of the plug-in mounting part 301, which is far away from the floating mounting
The high voltage plug 322 includes a high voltage housing 3220, an insulator 3221, and a pin 3222. The insulator 3221 is inserted through and fixed to the inside of the high voltage housing 3220. The pins 3222 are disposed through and fixed to the inside of the insulator 3221. The other end of the second electrical connector 3212 of the flexible electrical connector 321 is in floating electrical connection with the pin 3222 of the high-voltage plug 322 through the connection socket 323. One end of the connection socket 323 is provided with a first insertion hole 3230, and the other end of the connection socket 323 is provided with a second insertion hole 3231. The other end of the second electrical connector 3212 of the flexible electrical connector 321 is crimped within the first socket 3230. The pin 3222 is floatingly connected to the second insertion hole 3231. And a third conductive elastic element 325 is pressed on the second electric connector 3212 of the flexible electric connector 321 and the inner wall of the first jack 3230 and the inner wall of the pin 3222 and the second jack 3231. Preferably, the third conductive elastic member 325 is a conductive spring.
In the vehicle-end
In addition, an outer wall surface of one end of the high-voltage housing 3220 is hermetically connected to an inner wall surface of the protection sleeve 3010. Therefore, a sealing structure can be formed between the high-voltage plug 322 and the protective sleeve 3010 of the plug-in mounting part 301, so that external accumulated water is prevented from entering the plug-in mounting part 301 and the high-voltage plug 322, and the safety of the high-voltage plug 322 is improved.
In addition, the vehicle-end
In addition, the insulating sleeve 326 has a cavity 3260, and the flexible electrical connector 321 is disposed in the cavity 3260. The insulating sleeve 326 plays a role in protecting the flexible electric connector 321, has good insulating and sealing effects on the flexible electric connector 321, and improves the safety and stability of the vehicle-end
As shown in fig. 3 and 5, the first
As will be appreciated in conjunction with fig. 8-9, the first
When the guide leg 331 moves into the guide slot 332, the guide leg 331 is slidably disposed in the guide slot 332, and the guide leg 331 cooperates with the guide slot 332 to define the rotation direction of the first low-
The rotation direction of the first low-
Preferably, the length direction of the guide groove 332 forms an included angle with the central axis of the first low-
In addition, one end of the
Further preferably, the number of the guide legs 331 and the guide grooves 332 is several, the plurality of guide legs 331 are arranged along the circumferential interval of the first low-
Be equipped with
When the second low-voltage pole 520 of the battery-end electrical connector 5 is electrically connected with the first low-voltage pole 330 of the vehicle-end electrical connector 3, an acting force transmitted toward the first low-voltage pole 330 along the contact surface is generated due to the electrical connection, the elastic member in an initial state is compressed under the acting force, and the first low-voltage pole 330 is driven to move along the acting force direction, and the first low-voltage pole 330 is guided and limited to move and rotate while being provided with the guide pin 331 by arranging the guide pin 331 on the first low-voltage pole 330 and arranging the guide groove 332 corresponding to the guide pin 331 on the side wall of the first low-voltage mounting hole 3111 and matching the guide pin 331 with the guide groove 332 through the arrangement direction of the guide groove 332; on the other hand, when the acting force is removed, the elastic member 333 is released, and in the process of returning to the initial state, the first low-voltage pole 330 is driven to move in the reverse direction along the rotation direction of the guide groove 332, so that the reciprocating rotational movement is completed, the terminal contact surfaces of the first low-voltage pole 330 rub against each other, the effect of cleaning the terminal contact surfaces of the first low-voltage pole 330 is achieved, and the stability of the electrical contact of the first low-voltage pole 330 is improved.
As shown in fig. 3 and 10, the second low voltage assembly 52 includes a second
The second low-
As will be understood from fig. 12, the outer wall surface of the second low-
Preferably, the positioning portion 521 is a convex point, a convex ring, a wedge block or a barb. The side wall of the second low pressure mounting hole 5011 is provided with a recessed portion 50110 that matches the positioning portion.
In an embodiment of the present invention, two first high-
As shown in fig. 3 and 5, the vehicle-end
The
The first engaging portion 351 is provided on an inner wall surface of one end of the band-shaped annular ring body 350 connected to the floating
Further, a first locking portion 353 is provided on a surface of the first engaging portion 351 that is connected to the floating
In the present embodiment, the first locking portion 353 is locked to the first locking groove 3003 and the second locking portion 354 is locked to the second locking groove 3100, so that the coupling strength between the
Preferably, the first and second locking portions 353 and 354 are each a convex point, a convex ring, or a convex strip. More preferably, the first locking portion 353 and the second locking portion 354 are both T-shaped locking portions.
As shown in fig. 3 and 10, the battery terminal
In addition, a third snap groove 5001 is formed in a peripheral edge of a surface of the fixed
Preferably, the third locking portion 531 of the
As shown in fig. 3 and 5, the vehicle-end
The battery-end
The
In this embodiment, two positioning
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.
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