CN109565127A - A kind of electrical plug-in connection and electric car - Google Patents
A kind of electrical plug-in connection and electric car Download PDFInfo
- Publication number
- CN109565127A CN109565127A CN201780036377.4A CN201780036377A CN109565127A CN 109565127 A CN109565127 A CN 109565127A CN 201780036377 A CN201780036377 A CN 201780036377A CN 109565127 A CN109565127 A CN 109565127A
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- China
- Prior art keywords
- socket
- ferrule
- barrel
- plug device
- electrical plug
- Prior art date
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
- H01R13/631—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only
- H01R13/6315—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances for engagement only allowing relative movement between coupling parts, e.g. floating connection
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60L—PROPULSION OF ELECTRICALLY-PROPELLED VEHICLES; SUPPLYING ELECTRIC POWER FOR AUXILIARY EQUIPMENT OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES IN GENERAL; MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES; MONITORING OPERATING VARIABLES OF ELECTRICALLY-PROPELLED VEHICLES; ELECTRIC SAFETY DEVICES FOR ELECTRICALLY-PROPELLED VEHICLES
- B60L50/00—Electric propulsion with power supplied within the vehicle
- B60L50/50—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells
- B60L50/60—Electric propulsion with power supplied within the vehicle using propulsion power supplied by batteries or fuel cells using power supplied by batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
- H01R13/04—Pins or blades for co-operation with sockets
- H01R13/05—Resilient pins or blades
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
- H01R13/627—Snap or like fastening
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
- H01R24/38—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure having concentrically or coaxially arranged contacts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/7072—Electromobility specific charging systems or methods for batteries, ultracapacitors, supercapacitors or double-layer capacitors
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T90/00—Enabling technologies or technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02T90/10—Technologies relating to charging of electric vehicles
- Y02T90/14—Plug-in electric vehicles
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Sustainable Energy (AREA)
- Power Engineering (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
A kind of electrical plug-in connection (100) and electric car, the electrical plug-in connection (100) includes jack assemblies (300) and ferrule assembly (200), ferrule assembly (200) includes the first lock pin (201) and the second lock pin (202) for being sheathed on the first lock pin (201) periphery, jack assemblies (300) include the first socket (301) and the second socket (302) for being sheathed on the first socket (301) periphery, first lock pin (201) and the first socket (301), second lock pin (202) and the second socket (302) removably patch cooperation, it and is elastic arc face contact between the first lock pin (201) and the first socket (301) and between the second lock pin (202) and the second socket (302), the electrical plug-in connection ( 100) effectively contact area increases, it can be achieved that large current load and fast plugging, fast and easy replace the battery pack of electric car.
Description
[ technical field ] A method for producing a semiconductor device
The invention relates to the mechanical field of connectors, in particular to an electric plug device and an electric automobile.
[ background of the invention ]
The battery module of the existing electric automobile does not need to be replaced in daily use, and the battery is generally taken out only by major repair after being used for tens of thousands of kilometers or years, so that the battery connection adopts a fixed connection mode and is not suitable for frequently replacing the battery. The conventional electric automobile charging can generally adopt two modes of ordinary charging and quick charging, wherein the charging time is long by adopting an ordinary charging mode, the normal vehicle using requirements of users are easily influenced, and the service life of a battery is easily influenced by adopting a quick charging mode.
[ summary of the invention ]
In view of this, the invention provides an electric plug device and an electric vehicle, which can be used for simply and quickly plugging a battery of the electric vehicle, conveniently and quickly replacing a battery pack, and realizing a large-current load.
In order to solve the above technical problems, an embodiment of the present invention provides an electrical plug device, including a socket assembly and a plug core assembly, where the socket assembly includes a first socket and a second socket sleeved on a periphery of the first socket, the plug core assembly includes a first plug core and a second plug core sleeved on a periphery of the first plug core, the first plug core is detachably connected and matched with the first socket, the second plug core is detachably connected and matched with the second socket, and elastic arc surface contacts are provided between the first plug core and the first socket and between the second plug core and the second socket.
Wherein, first lock pin is the column setting, and the surface of first lock pin forms an arc bellying, and first socket includes first shell fragment, and first shell fragment is buckled into and is matchd with the shape of arc bellying, and then forms elastic contact with the arc bellying.
Wherein, the radial width of the arc-shaped bulge part is gradually reduced from the middle part to the two sides of the arc-shaped bulge part.
Wherein, the second lock pin is the tube-shape setting, and the internal surface of second lock pin forms an arc depressed part, and the second socket includes the second shell fragment, and the second shell fragment is buckled into the shape phase-match with the arc depressed part, and then forms elastic contact with the arc depressed part.
Wherein, the radial width of the arc-shaped concave part is gradually reduced from the middle part to the two sides of the arc-shaped concave part.
The ferrule assembly further comprises a ferrule shell, the ferrule shell comprises a first bearing plate and a first plate sleeve, and the first ferrule and the second ferrule are fixed on the first bearing plate through the first plate sleeve.
The insertion core shell further comprises a connecting plate and a spring, and the spring is elastically supported between the first bearing plate and the connecting plate.
The ferrule housing further comprises a fixing sleeve, and the fixing sleeve is sleeved on the periphery of the first bearing plate and fixed with the connecting plate.
The inserting core assembly further comprises a joint, an inserting hole is formed in the bottom of the first inserting core, one end of the joint is inserted and fixed in the inserting hole, and the other end of the joint is exposed out of one side, far away from the first inserting core, of the first bearing plate.
The first plate sleeve is injected among the first inserting core, the second inserting core and the first bearing plate in an injection molding mode.
The first socket further comprises a first barrel, the first end of the first elastic sheet is connected with the first barrel and is bent towards the inside of the first barrel, the second end of the first elastic sheet is in contact with the inner wall of the first barrel, and the area between the first end of the first elastic sheet and the second end of the first elastic sheet is arranged at intervals with the inner wall of the first barrel and is bent to be matched with the arc-shaped bulge.
The first cylinder and the first elastic sheet are made by a metal sheet rolling and shaping process.
The second socket further comprises a second barrel, the first end of the second elastic sheet is connected with the second barrel and is bent towards the outside of the second barrel, the second end of the second elastic sheet is in contact with the outer wall of the second barrel, and the area between the first end of the second elastic sheet and the second end of the second elastic sheet is arranged at intervals with the inner wall of the second barrel and is bent to be matched with the shape of the arc-shaped concave part.
The second cylinder and the second elastic sheet are made by a metal sheet rolling and shaping process.
Wherein, the second barrel nests in the periphery of first barrel, and further is provided with insulating spacer between the two.
The socket assembly further comprises a socket shell, the socket shell comprises a second bearing plate and a second plate sleeve, and the first cylinder, the second cylinder and the insulating spacer bush are fixed on the second bearing plate through the second plate sleeve.
The second plate sleeve is injected among the first cylinder, the second cylinder, the insulating spacer bush and the second bearing plate in an injection molding mode.
The first plug core and the second plug core are inserted into the accommodating cavity through the opening end of the accommodating cavity and are respectively matched with the first socket and the second socket.
In order to solve the above technical problems, another embodiment of the present invention provides an electric vehicle, including a vehicle body and a battery assembly detachably and fixedly installed in the vehicle body, wherein the battery assembly is electrically connected to a circuit in the vehicle body through the above electrical plug device.
Wherein, the battery pack is connected with the plug assembly; the receptacle assembly is secured to the vehicle body and is connected to circuitry in the vehicle body.
The invention has the beneficial effects that: different from the prior art, the electric plug device and the electric automobile provided by the invention have the advantages that the electric plug device comprises a socket assembly and a plug core assembly, the socket assembly comprises a first socket and a second socket sleeved on the periphery of the first socket, the plug core assembly comprises a first plug core and a second plug core sleeved on the periphery of the first plug core, the first plug core is in plug fit with the first socket in a detachable mode, the second plug core is in plug fit with the second socket in a detachable mode, and the first plug core is in elastic arc surface contact with the first socket and the second plug core, so that the electric plug device can be in plug fit with the plug cores in a detachable mode, can realize quick plug and further realize quick replacement of a battery pack of the electric automobile; and the socket and the inserting core are contacted by an elastic cambered surface, so that the contact area can be effectively increased, and the realization of large load current is facilitated.
[ description of the drawings ]
FIG. 1 is an angular schematic view of an electrical connector apparatus according to an embodiment of the present invention;
FIG. 2 is a schematic view of another angle of the electrical plug device of FIG. 1;
FIG. 3 is a cross-sectional view of the electrical plug device of FIG. 1;
fig. 4 is an exploded schematic view of the three-dimensional structure of the electrical plug device of fig. 1;
fig. 5 is a sectional view of the first receptacle of the electrical plug device of fig. 4;
fig. 6 is a sectional view of a second receptacle of the electrical plug device of fig. 4;
fig. 7 is a structural sectional view of the ferrule assembly and the receptacle assembly of the electrical plug device of fig. 1 in a plugged state.
[ detailed description ] embodiments
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, fig. 1 is a schematic view of an electrical plug device according to an embodiment of the present invention at one angle, and fig. 2 is a schematic view of an electrical plug device of fig. 1 at another angle. The electric plug device 100 of the present embodiment is generally applied to an electric vehicle for connecting a battery pack of the electric vehicle. As shown in fig. 1-2, the electrical plug device 100 of the present embodiment includes a ferrule assembly 200 and a receptacle assembly 300, wherein the ferrule assembly 200 includes a first ferrule 201 and a second ferrule 202 sleeved on the periphery of the first ferrule 201, and the receptacle assembly 300 includes a first receptacle 301 and a second receptacle 302 sleeved on the periphery of the first receptacle 301. It should be noted that, since the plug generally includes a positive pole and a negative pole, the first socket 301, the second socket 302, the first ferrule 201, and the second ferrule 202 of the present embodiment are exemplified by a positive socket, a negative socket, a positive ferrule, and a negative ferrule, and in other embodiments, the electrical plug device 100 may further include one or more ferrules and a corresponding number of sockets, which is not limited herein. The first ferrule 201 is detachably connected with the first socket 301, the second ferrule 202 is detachably connected with the second socket 302, and the first ferrule 201 is in elastic arc contact with the first socket 301 and the second ferrule 202 is in elastic arc contact with the second socket 302. Therefore, the electrical plugging device 100 of the present embodiment can make the electrical plugging device 100 connect quickly and easily by connecting and mating the first plug core 201 and the first socket 301, and the second plug core 202 and the second socket 302 in a detachable manner, so that the battery pack of the electrical plugging device 100 of the present embodiment can be connected easily and quickly, and the batteries can be replaced conveniently, and the first plug core 201 and the first socket 301, and the second plug core 202 and the second socket 302 of the present embodiment are in elastic arc contact, which can effectively increase the effective contact area between the plug core assembly 200 and the socket assembly 300, thereby being beneficial to increasing the load current of the electrical plugging device 100.
Referring further to fig. 3 to 4, fig. 3 is a structural sectional view of the electrical plug device of fig. 1, and fig. 4 is an exploded view of a three-dimensional structure of the electrical plug device of fig. 1. As shown in fig. 3-4, in one embodiment, the ferrule assembly 200 further comprises a ferrule housing comprising a first carrier plate 203 and a first plate sleeve 204, wherein the first ferrule 201 and the second ferrule 202 are fixed on the first carrier plate 203 by the first plate sleeve 204.
The first board sleeve 204 is injected between the first ferrule 201, the second ferrule 202 and the first carrier plate 203 in an injection molding manner, so that the first ferrule 201, the second ferrule 202, the first board sleeve 204 and the first carrier plate 203 form an integrated structure, and the ferrule assembly can be formed by injection molding through one mold, thereby simplifying the assembly structure of the electrical plug device 100 and improving the reliability of the electrical plug device 100.
In one embodiment, the ferrule housing further includes a connection plate 206 and a spring 205, and the spring 205 is elastically supported between the first carrier plate 203 and the connection plate 206, so that an elastic pressure can be always maintained between the ferrule assembly 200 and the receptacle assembly 300, thereby ensuring a good contact state between the ferrule assembly 200 and the receptacle assembly 300.
In an embodiment, the ferrule housing further includes a fixing sleeve 207, and the fixing sleeve 207 is sleeved on the periphery of the first carrier plate 203 and fixed to the connecting plate 206, so that the ferrule assembly 200 can be fixed to the connecting plate 206 by the fixing sleeve 207, thereby improving the reliability of the electrical plug device 100.
The ferrule assembly 200 further includes a connector 208, an insertion hole 2011 is disposed on the bottom of the first ferrule 201, one end of the connector 208 is inserted and fixed in the insertion hole 2011, the other end of the connector 208 is exposed from one side of the first carrier plate 203 away from the first ferrule 201, and the connector 208 is used for connecting a first ferrule incoming line 209, so that the first ferrule incoming line 209 is electrically connected with the first ferrule 201.
In one embodiment, the socket assembly 300 further comprises a socket housing, the socket housing comprises a second loading plate 303 and a second sleeve 304, and the first socket 301 and the second socket 302 are fixed on the second loading plate 303 by the second sleeve 304.
The second sleeve 304 is injected among the first socket 301, the second socket 302 and the second carrier plate 303 in an injection molding manner, so that the first socket 301, the second socket 302, the second sleeve 304 and the second carrier plate 303 form an integrated structure, the assembly structure of the electrical plug device 100 is simplified, and the reliability of the electrical plug device 100 is improved.
Referring to fig. 4-6, in one embodiment, as shown in fig. 4-6, the first ferrule 201 is cylindrically configured and an arcuate protrusion is formed on an outer surface of the first ferrule 201. First socket 301 includes first shell fragment 3012, first shell fragment 3012 is buckled into and is matchd with the shape of arc bellying, and then make first shell fragment 3012 and arc bellying form elastic contact when first lock pin 201 inserts the inside of arranging first socket 301 in, consequently, this embodiment sets this kind of mode to through the structure with first socket 301 and first lock pin 201, can increase the area of contact between first lock pin 201 and the first socket 301, be favorable to realizing heavy load current, and still can realize self-locking function to a certain extent, improve electric plugging device 100's reliability.
Specifically, the first socket 301 may further include a first barrel 3011, a first end of the first resilient piece 3012 is connected to the first barrel 3011 and bends toward the inside of the first barrel 3011, a second end of the first resilient piece 3012 contacts with the inner wall of the first barrel 3011, and a region between the first end and the second end of the first resilient piece 3012 is spaced from the inner wall of the first barrel 3011 and bends to match the arc-shaped protrusion, as shown in fig. 5. The first cylinder 3011 and the first elastic sheet 3012 may be made by a rolling and shaping process of a metal sheet, which includes but is not limited to metals such as aluminum and titanium or alloys.
The radial width of the arc-shaped protruding portion of the outer surface of the first ferrule 201 is gradually reduced from the middle portion to both sides thereof, so that the first ferrule 201 and the first socket 301 can further realize a better self-locking function, that is, when the first ferrule 201 is inserted into the first socket 301, the first ferrule 201 cannot easily slip out of the first socket 301 due to the maximum radial width of the arc-shaped protruding middle portion, thereby further improving the reliability of the electrical plug device 100.
In one embodiment, the second ferrule 202 is cylindrically configured, and the inner surface of the second ferrule 202 defines an arcuate recess (not shown). The second socket 302 includes a second resilient tab 3022, and the second resilient tab 3022 is bent to match the shape of the arc-shaped recessed portion, so that when the second ferrule 202 is inserted into the periphery of the second socket 302, the second resilient tab 3022 and the arc-shaped recessed portion form an elastic contact, and therefore, the contact area between the second ferrule 202 and the second socket 302 can be increased in this embodiment, which is beneficial to realizing a large load current, and also can realize a self-locking function to a certain extent, thereby improving the reliability of the electrical plug device 100.
Specifically, the second socket 302 further includes a second barrel 3021, a first end of the second resilient tab 3022 is connected to the second barrel 3021 and is bent toward the outside of the second barrel 3021, a second end of the second resilient tab 3022 contacts with the outer wall of the second barrel 3021, and an area between the first end and the second end of the second resilient tab 3022 is spaced apart from the inner wall of the second barrel 3021 and is bent to match the shape of the arc-shaped recess, as shown in fig. 6. The second cylinder 3021 and the second elastic sheet 3022 may be made of a metal sheet, such as but not limited to aluminum, titanium, or an alloy.
The radial width of the arc-shaped recess portion is gradually reduced from the middle portion to both sides thereof, so that the second ferrule 202 and the second socket 302 can further achieve a better self-locking function, that is, when the second socket 302 is inserted into the second ferrule 202, since the radial width of the middle portion of the arc-shaped recess portion is the largest, the second socket 302 and the second ferrule 202 form a clamping structure, so that the second socket 302 cannot easily slide out of the second ferrule 202, thereby further improving the reliability of the electrical plug device 100, and further improving the overall reliability of the electrical plug device 100.
In this embodiment, the second cylinder 3021 is nested on the periphery of the first cylinder 3011, and an insulating spacer 305 is further disposed between the first cylinder 3011 and the second cylinder 3021, where the insulating spacer 305 is used to insulate and separate the first socket 301 from the second socket 302. The second plate sleeve 304 is injected among the first cylinder 3011, the second cylinder 3021, the insulating spacer 305, and the second carrier plate 303 in an injection molding manner, so that the receptacle assembly 300 of the electrical connector apparatus 100 and the adjacent components thereof are made into an integrated structure, thereby simplifying the assembly structure of the electrical connector apparatus 100 and improving the overall reliability of the electrical connector apparatus 100.
In this embodiment, the second carrier plate 303 forms an accommodating cavity with an open end, the first socket 301 and the second socket 302 are fixed in the accommodating cavity, and the first ferrule 201 and the second ferrule 202 can be inserted into the accommodating cavity through the open end of the accommodating cavity, and then are respectively in plug-in fit with the first socket 301 and the second socket 302, so as to realize the detachable plug-in fit of the ferrule assembly 200 and the socket assembly 300. By configuring the second carrier plate 303 as a receiving cavity, some components of the socket assembly 300 and the ferrule assembly 200 can be received in the receiving cavity, thereby preventing the components from being damaged due to exposure.
Referring further to fig. 7, fig. 7 is a structural sectional view of the ferrule assembly 200 and the receptacle assembly 300 of the electrical plug device 100 of fig. 1 in a plugged state. As shown in fig. 7, the first ferrule 201 of the electrical plug device 100 is disposed in a cylindrical shape and inserted into the first socket 301, and an outer surface of the first ferrule 201 forms an arc-shaped protrusion, and a radial width of the arc-shaped protrusion gradually decreases from a middle portion to both sides thereof. The first elastic sheet 3012 of the first socket 301 is bent to match the shape of the arc-shaped protrusion, so that the first socket 301 and the arc-shaped protrusion of the first ferrule 201 form an elastic contact.
The second ferrule 202 is disposed in a cylindrical shape and inserted into the periphery of the second socket 302, and an arc-shaped recess is formed on the inner surface of the second ferrule 202, and the radial width of the arc-shaped recess is gradually reduced from the middle to the two sides thereof. The second resilient tab 3022 of the second socket 302 is bent to match the shape of the arc-shaped recess, so that the second socket 302 is in elastic contact with the arc-shaped recess of the second ferrule 202.
Specifically, the first ferrule 201 is inserted into the first socket 301, the second socket 302 is nested at the periphery of the first socket 301, the insulating spacer 305 is disposed between the first socket 301 and the second socket 302, the second sleeve 304 is sleeved at the periphery of the insulating spacer 305, the second ferrule 202 is inserted into the periphery of the second socket 302, and the second carrier plate 303 is sleeved at the periphery of the second ferrule 202, wherein the second carrier plate 303 forms an accommodating cavity with an opening at one end, so that the first socket 301, the second socket 302, the second sleeve 304 and the insulating spacer 305 are all accommodated in the accommodating cavity of the second carrier plate 303, and when the ferrule assembly 200 is connected and mated with the socket assembly 300, the second ferrule 202 and a part of the first ferrule 201 are also accommodated in the accommodating cavity of the second carrier plate 303.
In the embodiment, the first socket 301, the second socket 302, the insulating spacer 305 and the second plate 304 are fixed on the second carrier plate 303, and specifically, the second plate 304 is injected between the first barrel 3011 of the first socket 301, the second barrel 3021 of the second socket 302, the insulating spacer 305 and the second carrier plate 303 by injection molding, so as to form an integral structure, thereby simplifying the structure of the socket assembly 300.
The second plate sleeve 304 and the second carrier plate 303 are respectively provided with at least two corresponding through holes, so that the first socket incoming line 306 and the second socket incoming line 307 are respectively electrically connected with the first socket 301 and the second socket 302 through the through holes.
In the embodiment, the first ferrule 201 and the second ferrule 202 are fixed on the first carrier plate 203 by the first sleeve 204, and the spring 205 is elastically supported between the first carrier plate 203 and the connecting plate 206, so that a certain elastic pressure can be kept between the ferrule assembly 200 and the socket assembly 300, and a good contact state can be kept between the ferrule assembly 200 and the socket assembly 300.
Wherein, the periphery of the first bearing plate 203 is sleeved with a fixing sleeve 207, and the fixing sleeve 207 is fixedly connected with the connecting plate 206.
Moreover, an insertion hole 2011 is disposed at the bottom of the first ferrule 201, one end of the joint 208 is inserted and fixed in the insertion hole 2011, and the other end of the joint 208 is exposed from a side of the first carrier plate 203 away from the first ferrule 201.
In this embodiment, the connection plate 206, the first carrier plate 203 and the first sleeve 204 are also respectively provided with at least two through holes, the first ferrule incoming line 209 is electrically connected to the connector 208 of the first ferrule 201 through one of the through holes, and the second ferrule incoming line 210 is electrically connected to the second ferrule 202 through the other through hole.
Therefore, the ferrule assembly 200 and the socket assembly 300 of the electrical plug device 100 of the present embodiment can realize quick insertion and extraction, and facilitate replacement of the battery pack, and the ferrule assembly 200 and the socket assembly 300 are in elastic arc contact, which can effectively increase the contact area, so that the electrical plug device 100 can realize large load current, and can also realize a self-locking function to a certain extent, thereby improving the reliability of the electrical plug device 100.
Hereinafter, the present invention also discloses an electric vehicle comprising a vehicle body and a battery pack detachably and fixedly mounted in the vehicle body, wherein the battery pack can be electrically connected with the electric circuit in the vehicle body by the electric plug device 100 in the above embodiment. In a specific embodiment, the battery module can be connected to the plug core module 200 in the electrical plug device 100, and the socket module 300 is fixed on the vehicle body and connected to the circuit in the vehicle body, so that the battery module of the electric vehicle can be replaced quickly through the detachable plug cooperation of the plug core module 200 and the socket module 300, thereby satisfying the user's needs and improving the user experience.
In summary, the electrical plug device and the electric vehicle provided in the embodiments of the present invention include a socket assembly and a plug core assembly, where the socket assembly includes a first socket and a second socket sleeved on a periphery of the first socket, and the plug core assembly includes a first plug core and a second plug core sleeved on a periphery of the first plug core, so that the first plug core is detachably plugged and matched with the first socket, the second plug core is also detachably plugged and matched with the second socket, and the first plug core and the first socket and the second plug core and the second socket are both in elastic arc surface contact, so that the electrical plug device can be quickly plugged and matched, a battery pack of the electric vehicle can be quickly replaced, an effective contact area of the electrical plug device can be increased, and the electrical plug device can realize a large current load.
The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes performed by the present specification and drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (20)
- The utility model provides an electric plug device, wherein, electric plug device includes socket subassembly and lock pin subassembly, the socket subassembly includes that first socket and cover are located first socket outlying second socket, the lock pin subassembly includes that first lock pin and cover are located the outlying second lock pin of first lock pin, first lock pin with first socket connects the cooperation in order can dismantle, the second lock pin with the cooperation is connected in order can dismantle to the second socket, first lock pin with between the first socket and the second lock pin with be the contact of elasticity cambered surface between the second socket.
- The electrical connector assembly of claim 1, wherein the first ferrule is cylindrically configured, an arcuate protrusion is formed on an outer surface of the first ferrule, and the first socket includes a first resilient tab bent to match the arcuate protrusion to form a resilient contact with the arcuate protrusion.
- The electrical plug device of claim 2, wherein the arcuate projections taper in radial width from a middle portion to sides thereof.
- The electrical plug device according to claim 2, wherein the second plug core is cylindrical, an arc-shaped recess is formed on an inner surface of the second plug core, and the second socket includes a second resilient piece bent to match the arc-shaped recess to form an elastic contact with the arc-shaped recess.
- The electrical plug device of claim 4, wherein the arcuate recess has a radial width that decreases from a central portion to both sides thereof.
- The electrical plug device of any one of claims 1 to 5, wherein the ferrule assembly further comprises a ferrule housing comprising a first carrier plate and a first sleeve, the first and second ferrules being secured to the first carrier plate by the first sleeve.
- The electrical plug device of claim 6, wherein the ferrule housing further comprises a connection plate and a spring resiliently supported between the first carrier plate and the connection plate.
- The electrical plug device of claim 7, wherein the ferrule housing further includes a retaining sleeve disposed about an outer periphery of the first carrier plate and secured to the connector plate.
- The electrical connector assembly of claim 6, wherein the ferrule assembly further includes a connector, the bottom of the first ferrule has an insertion hole, one end of the connector is inserted into the insertion hole, and the other end of the connector is exposed from a side of the first carrier plate away from the first ferrule.
- The electrical plug device of claim 6, wherein the first sleeve is injection molded between the first ferrule, the second ferrule, and the first carrier plate.
- The electrical plug device according to claim 4, wherein the first socket further comprises a first barrel, a first end of the first resilient piece is connected to the first barrel and bent toward an inside of the first barrel, a second end of the first resilient piece contacts an inner wall of the first barrel, and a region between the first end of the first resilient piece and the second end of the first resilient piece is spaced apart from the inner wall of the first barrel and bent to match a shape of the arc-shaped protrusion.
- The electrical plug device of claim 11, wherein the first barrel and the first spring plate are formed using a sheet metal roll-to-roll sizing process.
- The electrical plug device of claim 11, wherein the second socket further includes a second barrel, a first end of the second resilient tab is connected to the second barrel and bent outward of the second barrel, a second end of the second resilient tab contacts an outer wall of the second barrel, and a region between the first end of the second resilient tab and the second end of the second resilient tab is spaced apart from the inner wall of the second barrel and bent to match the shape of the arcuate recess.
- The electrical plug device of claim 13, wherein the second barrel and the second spring are formed using a sheet metal roll-forming process.
- The electrical plug device of claim 13, wherein the second cylindrical body is nested about the periphery of the first cylindrical body with an insulating spacer disposed therebetween.
- The electrical plug device of claim 15, wherein the receptacle assembly further comprises a receptacle housing including a second bearing plate and a second plate sleeve, the first barrel, the second barrel, and the insulating spacer being secured to the second bearing plate by the second plate sleeve.
- The electrical plug device of claim 16, wherein the second plate sleeve is injection molded between the first barrel, the second barrel, the insulating spacer and the second carrier plate.
- The electrical plug device of claim 16, wherein the second carrier plate defines a receiving cavity open at one end, the first and second sockets being secured within the receiving cavity, the first and second ferrules being inserted into the receiving cavity through the open end of the receiving cavity and mated with the first and second sockets, respectively.
- An electric vehicle comprising a vehicle body and a battery pack removably fixedly mounted in the vehicle body, the battery pack being electrically connected to circuitry in the vehicle body by an electrical plug device according to any one of claims 1 to 18.
- The electric vehicle of claim 19, wherein the battery assembly is coupled to the ferrule assembly; the receptacle assembly is secured to the vehicle body and is connected to circuitry in the vehicle body.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2017086153 | 2017-05-26 | ||
| CNPCT/CN2017/086153 | 2017-05-26 | ||
| PCT/CN2017/091208 WO2018214239A1 (en) | 2017-05-26 | 2017-06-30 | Electrical plug device and electric automobile |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109565127A true CN109565127A (en) | 2019-04-02 |
| CN109565127B CN109565127B (en) | 2020-09-11 |
Family
ID=64395211
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201780036377.4A Active CN109565127B (en) | 2017-05-26 | 2017-06-30 | Electric plug device and electric automobile |
Country Status (2)
| Country | Link |
|---|---|
| CN (1) | CN109565127B (en) |
| WO (1) | WO2018214239A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110011143A (en) * | 2019-04-09 | 2019-07-12 | 胜蓝科技股份有限公司 | A kind of quick change adapter connector |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE102020004993A1 (en) | 2020-08-17 | 2022-02-17 | Auto-Kabel Management Gmbh | on-board power supply connector |
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Also Published As
| Publication number | Publication date |
|---|---|
| WO2018214239A1 (en) | 2018-11-29 |
| CN109565127B (en) | 2020-09-11 |
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Address after: 233000 building 4, national financial incubation Industrial Park, 17 Yannan Road, high tech Zone, Bengbu City, Anhui Province Patentee after: Dafu Technology (Anhui) Co., Ltd Address before: 518104 Shajing Industrial Co., Ltd. No. 3 Industrial Zone, Hexiang Road, Shajing Street, Baoan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN TATFOOK TECHNOLOGY Co.,Ltd. |
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