CN111786178A - Direct current charging gun for electric automobile - Google Patents
Direct current charging gun for electric automobile Download PDFInfo
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- CN111786178A CN111786178A CN202010695424.XA CN202010695424A CN111786178A CN 111786178 A CN111786178 A CN 111786178A CN 202010695424 A CN202010695424 A CN 202010695424A CN 111786178 A CN111786178 A CN 111786178A
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- phi
- plug
- pin
- handle
- cable
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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
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
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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
- B60L53/00—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles
- B60L53/10—Methods of charging batteries, specially adapted for electric vehicles; Charging stations or on-board charging equipment therefor; Exchange of energy storage elements in electric vehicles characterised by the energy transfer between the charging station and the vehicle
- B60L53/14—Conductive energy transfer
- B60L53/16—Connectors, e.g. plugs or sockets, specially adapted for charging electric vehicles
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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
- H01R13/46—Bases; Cases
- H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
- H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
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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
- H01R13/623—Casing or ring with helicoidal groove
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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
- H01R13/627—Snap or like fastening
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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
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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
- H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap
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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
- H01R13/66—Structural association with built-in electrical component
- H01R13/665—Structural association with built-in electrical component with built-in electronic circuit
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- 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
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- 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
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- 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
Abstract
The invention discloses a DC charging gun for an electric automobile, which comprises a handle assembly module, an electronic lock assembly module, a plug insulator assembly module and a tail accessory assembly module, wherein when the DC charging gun is assembled, a waterproof rubber pad is assembled at the connecting part of each part of the module and the handle, when the assembly of the handle is carried out, the connection parts are mutually matched through a handle back-off and a clamping groove of a cable locking cap to achieve the aim of mutual fixation, a plug terminal is fixed on a cable through a terminal crimping machine, a plug pin O-shaped ring is assembled on the plug terminal, the plug pin is assembled in a plug insulator, the plug pin is fixed through a plug cover plate, and after the assembly of each module is finished, all the assembly modules are assembled together, so that the total assembly of the charging gun is finished, the DC charging gun has a simple structure, can effectively protect the electrical performance of electronic components inside the charging gun, and improve the primary waterproof grade of the charging stability of the electric automobile, and the assembly efficiency is improved due to the modular assembly mode.
Description
Technical Field
The invention relates to the technical field of charging corollary equipment of electric automobiles, in particular to a direct-current charging gun of an electric automobile.
Background
As a green vehicle with a wide development prospect, the new energy electric automobile can be popularized very rapidly in the future along with the development of the new energy electric automobile technology. The application and development of new energy electric vehicles are also actively promoted by the national government, so that related facilities and charging connectors matched with the new energy electric vehicles are also generated. The main charging facilities of the new energy electric automobile comprise a charging pile, a charging gun, a charging socket, an in-car high-voltage connector and the like. The new energy electric vehicle charging device is connected with a charging cable through a connector (a charging gun and a charging socket), the new energy electric vehicle connector is an important part for connecting a new energy electric vehicle and power supply equipment, and the current connector comprises a direct current (alternating current) charging gun and a direct current (alternating current) charging socket. The main parts of the direct current charging gun comprise a handle, a plug insulator, a plug terminal, a plug insulator, a mechanical lock, an electronic lock and the like. At present, most of direct current charging guns used have split structures, and water and dust are inevitably in the use process of the split charging guns to enter the gun body, so that the electric performance and the use safety of electronic components in the gun body are influenced, and the waterproof and dustproof effects are poor. In addition, in the assembly process of the split charging gun, each part needs to be independently assembled, the assembly process is complex, and the assembly efficiency is low.
Therefore, the direct-current charging gun for the electric automobile, which is designed for overcoming the defects of the technology, is simple in structure, can improve the waterproof and dustproof grade of the charging gun, effectively protects the electrical performance of electronic components inside the charging gun, is stable in charging, is simple in assembly process, and is high in assembly efficiency, and is the problem to be solved by the inventor.
Disclosure of Invention
Aiming at the defects of the prior art, the invention aims to provide the direct-current charging gun for the electric automobile, which is simple in structure, can effectively protect the electrical performance of electronic components inside the charging gun, avoids charging faults caused by water leakage and dust during the charging process of the charging gun, ensures the charging stability of the electric automobile, improves the safety coefficient of an operator during charging, adopts a modular assembly mode, and improves the assembly efficiency.
The technical scheme adopted by the invention for solving the technical problems is as follows: a direct current charging gun of an electric automobile comprises a handle assembly module, an electronic lock assembly module, a plug insulator assembly module and a tail accessory assembly module;
the handle assembly module comprises a handle, a mechanical lock pin shaft screw, a mechanical lock spring and an emergency unlocking module, the emergency unlocking module is arranged on the handle, the emergency unlocking module comprises an emergency unlocking push rod, an emergency unlocking top block spring and an emergency unlocking push rod O-shaped ring, the emergency unlocking top block spring is sleeved on a shaft of the emergency unlocking top block, the emergency unlocking push rod O-shaped ring is arranged on the emergency unlocking push rod, central shafts of the emergency unlocking push rod and the emergency unlocking top block are positioned on the same horizontal plane, the emergency unlocking push rod is taken out by pressing the emergency unlocking top block, and the purpose of opening the electronic lock in an emergency is achieved;
the mechanical lock is fixed on the shell of the charging gun body through a mechanical lock pin shaft and a mechanical lock pin shaft screw, and the tail of the shell of the charging gun body is connected with the handle through a mechanical lock spring;
the electronic lock assembly module is arranged on a shell of the handle, the electronic lock assembly module comprises an electronic lock shell, a mechanical lock locking piece, a motor O-shaped ring, a mechanical lock micro switch and a position detection micro switch, the motor O-shaped ring is arranged at one end of the motor, the mechanical lock locking piece is arranged on the motor, the top end of the mechanical lock locking piece is connected to the inner side of the shell of the charging gun body, the motor, the mechanical lock micro switch and the position detection micro switch are arranged in the electronic lock shell, the electronic lock shell comprises an electronic lock upper shell and an electronic lock lower shell, cable sheath O-shaped rings are arranged at wire passing holes of the motor, the mechanical lock micro switch and the position detection micro switch, and the electronic lock cable O-shaped ring is arranged between the electronic lock lower shell and the handle shell;
a plug insulator assembly module is fixed at one end of the handle and comprises a plug insulator, a plug cover plate, a plug insulator cap, a phi 12 plug pin, a phi 6 grounding plug pin, a phi 3A plug pin, a phi 3B plug pin, a phi 3C plug pin, a phi 3D plug pin, a phi 12 plug pin O-shaped ring, a phi 6 grounding plug pin O-shaped ring, a phi 3 plug pin O-shaped ring and a plug waterproof pad, wherein the plug insulator is provided with the phi 12 plug pin, the phi 6 grounding plug pin, the phi 3A plug pin, the phi 3B plug pin, the phi 3C plug pin and the phi 3D plug pin, the phi 12 plug pin O-shaped ring is arranged at the joint of the phi 12 plug pin and the plug cover plate, the phi 6 grounding plug pin O-shaped ring is arranged at the joint of the phi 6 grounding plug pin and the plug cover plate, and the phi 3A plug pin, the phi 3B plug pin, the phi 3C plug pin and the, the plug insulator is connected with the plug cover plate through a screw, the handle is fixedly connected with the plug insulator through a screw, and a plug waterproof pad is arranged between the handle and the plug insulator;
afterbody annex assembly module includes cable locking cap, cable locking cap sleeve pipe, cable sheath, cable locking cap sleeve pipe O type circle, cable, the cable sheath sets up in cable locking cap sleeve pipe, the cable sheath is in the same place through cable locking cap fixed connection with cable locking cap sheathed tube end, the cable sets up inside the cable sheath, cable locking cap sleeve pipe O type circle sets up on cable locking cap sleeve pipe, the cable passes cable sheath, cable locking cap sleeve pipe O type circle in proper order, cable locking cap sleeve pipe is fixed on the handle through cable locking cap, the handle is fixed mutually supporting through the draw-in groove of back-off and cable locking cap on the handle with the fixing of cable locking cap.
Furthermore, the plug insulator is fixed with the phi 12 pin, the phi 6 grounding pin, the phi 3A pin, the phi 3B pin, the phi 3C pin and the phi 3D pin by pressing the pins through the plug cover plate and then fixing the pins through screws.
Furthermore, the plug insulator, the plug cover plate and the contact pin insulating cap are formed by injection molding of flame-retardant thermoplastic materials.
Further, the handle assembly module also comprises a handle rubber coating piece arranged on the handle.
Further, the cable locking cap is made the spraying plastics after being formed by aluminum alloy material through die-casting machine die-casting and is handled.
The invention has the beneficial effects that:
1. the electric charging gun has a simple structure, can effectively protect the electrical performance of electronic components inside the charging gun, avoids charging faults caused by water leakage and dust in the charging process of the charging gun, ensures the charging stability of the electric automobile, and simultaneously improves the safety coefficient of an operator during charging.
2. The modularized assembly mode improves the assembly efficiency, reduces the rejection rate of the whole assembly to a certain extent, is more beneficial to the management of a production line due to the modularized assembly, and improves the utilization rate of the production line.
3. The connecting part of each module and the handle is provided with the waterproof rubber pad, so that the waterproof and dustproof grades of the direct current charging gun are effectively improved.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present invention.
Fig. 2 is a schematic view of the structure of the handle assembly module of the present invention.
Fig. 3 is a right side view of fig. 2 of the present invention.
Fig. 4 is a schematic view of the assembly module of the electronic lock of the present invention.
Fig. 5 is a sectional view a of the plug insulator mounting module structure of the present invention.
Fig. 6 is a sectional view b of the plug insulator mounting module structure of the present invention.
Fig. 7 is a schematic diagram of the structure of the rear accessory mounting module of the present invention.
Fig. 8 is a schematic structural diagram of the emergency unlocking module of the invention.
Description of reference numerals: 1-a handle; 2-a plug insulator; 3-plug cover plate; 5-inserting needle insulating caps; 6-electronic lock upper shell; 7-electronic lock lower shell; 8-wrapping the handle with rubber; 9-mechanical lock locking piece; 10-emergency unlocking push rod; 11-emergency unlocking the top block; 12-a mechanical lock; 13-mechanical lock pin shaft; 14-mechanical lock pin shaft screw; 15-a mechanical lock spring; 16-emergency unlocking of the top block spring; 17-a cable locking cap; 18-cable locking cap sleeve; 19-phi 12 pins; 20-phi 6 grounding pins; a 21-phi 3A pin; a 22-phi 3B pin; a 23-phi 3C pin; 24-phi 3D pins; inserting an O-shaped ring at 25-phi 12; 26-phi 6, inserting an O-shaped ring into the grounding pin; 27-phi 3 inserting an O-shaped ring; 28-plug waterproof pad; 29-a cable sheath; 30-cable locking cap sleeve O-ring; 31-a motor; 32-motor O-ring; 33-a mechanical lock microswitch; 34-position detection microswitch; 37-emergency unlocking of the push rod O-shaped ring; 38-a cable; 39-electronic lock cable O-ring; 110-a handle assembly module; 111-an electronic lock assembly module; 112-plug insulator assembly module; 113 tail attachment mounting module.
Detailed Description
The invention will now be further illustrated by reference to specific examples, which are intended to be illustrative only and not to limit the scope of the invention. Further, it should be understood that various changes and modifications of the present invention may be made by those skilled in the art after reading the teachings of the present invention, and such equivalents may fall within the scope of the invention as defined in the appended claims.
Referring to fig. 1, the overall structure of the electric vehicle dc charging gun is schematically illustrated, and the electric vehicle dc charging gun comprises a handle assembly module 110, an electronic lock assembly module 111, a plug insulator assembly module 112, and a tail accessory assembly module 113.
Referring to fig. 2, a schematic structural diagram of a handle assembly module of the present invention is shown, referring to fig. 3, a right side view of fig. 2 is shown, referring to fig. 8, a schematic structural diagram of an emergency unlocking module of the present invention is shown, the handle assembly module includes a handle 1, a mechanical lock 12, a mechanical lock pin 13, a mechanical lock pin screw 14, a mechanical lock spring 15, and an emergency unlocking module, the emergency unlocking module is disposed on the handle 1, the emergency unlocking module includes an emergency unlocking push rod 10, an emergency unlocking top block 11, an emergency unlocking top block spring 16, and an emergency unlocking push rod O-ring 37, the emergency unlocking top block spring 16 is sleeved on the shaft of the emergency unlocking top block 11, the emergency unlocking push rod O-ring 37 is disposed on the emergency unlocking push rod 10, and the central shafts of the emergency unlocking push rod and, the emergency unlocking push rod 10 is taken out by pressing the emergency unlocking ejector block 11, so that the purpose of opening the electronic lock in an emergency manner is achieved.
The mechanical lock 12 is fixed on the shell of the charging gun body through a mechanical lock pin shaft 13 and a mechanical lock pin shaft screw 14, and the tail of the shell of the charging gun body is connected with the handle 1 through a mechanical lock spring 15.
Referring to fig. 4, which is a schematic view of the structure of the electronic lock assembly module of the present invention, the electronic lock assembly module is disposed on the housing of the handle 1, the electronic lock assembly module includes an electronic lock housing, a mechanical lock locking member 9, a motor 31, a motor O-ring 32, a mechanical lock micro switch 33, and a position detection micro switch 34, one end of the motor 31 is provided with the motor O-ring 32, the mechanical lock locking member 9 is disposed on the motor 31, the top end of the mechanical lock locking member 9 is connected to the inner side of the housing of the charging gun body, the motor 31, the mechanical lock micro switch 33, and the position detection micro switch 34 are disposed in the electronic lock housing, the electronic lock housing includes an electronic lock upper housing 6 and an electronic lock lower housing 7, cable sheath O-rings 39 are disposed at the wire passing holes of the motor 31, the mechanical lock micro switch 33, and the position detection micro switch 34, the electronic lock cable O-ring 39 is disposed between the electronic, the handle assembly module also comprises a handle rubber coating piece 8 arranged on the handle 1.
Referring to fig. 5, which is a sectional view a of the plug insulator assembly module of the present invention, and fig. 6, which is a sectional view B of the plug insulator assembly module of the present invention, one end of a handle 1 is fixed with a plug insulator assembly module, which includes a plug insulator 2, a plug deck 3, a pin insulator cap 5, a phi 12 pin 19, a phi 6 ground pin 20, a phi 3A pin 21, a phi 3B pin 22, a phi 3C pin 23, a phi 3D pin 24, a phi 12 pin O-ring 25, a phi 6 ground pin O-ring 26, a phi 3 pin O-ring 27, and a plug waterproof pad 28, the plug insulator 2 is provided with a phi 12 pin 19, a phi 6 ground pin 20, a phi 3A pin 21, a phi 3B pin 22, a phi 3C pin 23, and a phi 3D pin 24, a phi 12 pin O-ring 25 is provided at a connection portion of the phi 12 pin 19 and the plug deck 3, a phi 6 ground pin O-ring 26 is provided at a connection portion of the phi 6 ground pin 20 and the plug deck, phi 3A pins 21, phi 3B pins 22, phi 3C pins 23 and phi 3D pins 24 are provided with phi 3 pin O-rings 27, the plug insulator 2 is connected with the plug cover plate 3 through screws, the handle 1 is fixedly connected with the plug insulator 2 through screws, and a plug waterproof pad 28 is arranged between the handle 1 and the plug insulator 2.
The pin insulator 2 is fixed to the pin 19 of phi 12, the pin 20 of phi 6 grounding, the pin 21 of phi 3A, the pin 22 of phi 3B, the pin 23 of phi 3C and the pin 24 of phi 3D by pressing the pins through the cover plate of the plug and then fixing the pins by screws. The plug insulator 2, the plug cover plate 3 and the pin insulating cap 5 are made of flame-retardant thermoplastic materials through injection molding.
Referring to fig. 7, which is a schematic structural diagram of the tail attachment assembly module of the present invention, the tail attachment assembly module includes a cable locking cap 17, a cable locking cap sleeve 18, a cable sheath 29, a cable locking cap sleeve 0-ring 30, the cable 38, the cable sheath 29 is arranged in the cable locking cap sleeve 18, the cable sheath 29 is fixedly connected with the tail end of the cable locking cap sleeve 18 through the cable locking cap 17, the cable 38 is arranged inside the cable sheath 29, the cable locking cap sleeve O-shaped ring 30 is arranged on the cable locking cap sleeve 18, the cable 38 sequentially penetrates through the cable sheath 29, the cable locking cap sleeve 18 and the cable locking cap sleeve O-shaped ring 30, the cable locking cap sleeve 18 is fixed on the handle 1 through the cable locking cap 17, and the handle 1 and the cable locking cap 17 are fixed through mutual matching of an inverted buckle on the handle 1 and a clamping groove of the cable locking cap 17. The cable locking cap sleeve 18 is used for supporting and strengthening and preventing the cable locking cap 17 from falling off the handle 1. The cable locking cap sleeve 18 is made of aluminum alloy bars in a turning mode, mechanical strength is high, and overall strength of the charging gun is guaranteed. The cable locking cap 17 is made of aluminum alloy material by die casting with a die casting machine and then is subjected to plastic spraying treatment.
The structural design of the handle 1 is integrated, and the rubber coating treatment is adopted at the hand-holding part, so that the comfortable sensation of the hand-holding part is increased. The handle 1 is formed by injection molding of a flame-retardant thermoplastic material through an injection molding machine, and the handle rubber-coated part 8 is covered on the handle 1 through secondary injection molding of the injection molding machine. When the direct current charging gun is assembled, a phi 12 pin O-shaped ring 25, a phi 6 grounding pin O-shaped ring 26, a phi 3 pin O-shaped ring 27 and a plug waterproof pad 28 are arranged at the connecting part of the handle 1 and the plug insulator 2, and cable sheath O-shaped rings 39 are assembled at the wire passing holes of the mechanical lock micro switch 33 and the position detection micro switch 34 on the handle 1. The connecting part of each part and the handle 1 is provided with a waterproof rubber pad, so that the waterproof grade inside the direct current charging gun can reach IP67, and the waterproof and dustproof grades of the direct current charging gun are effectively improved.
When the assembly of the handle 1 is carried out, the handle 1 and the handle rubber-coated piece 8 are mutually matched through the reverse buckle of the handle 1 and the clamping groove of the cable locking cap 17, and the purpose of mutual fixation is achieved. The cable locking cap is connected through a screw and a bolt, a cable sheath 29 and a cable locking cap sleeve 18 are assembled between the handle 1 and the cable locking cap 17, and a cable 38 penetrates through the cable sheath 29. The plug terminal is fixed on a cable 38 through a terminal crimping machine, a phi 12 pin O-shaped ring 25, a phi 6 grounding pin O-shaped ring 26 and a phi 3 pin O-shaped ring 27 are assembled on the plug terminal, a phi 12 pin 19, a phi 6 grounding pin 20, a phi 3A pin 21, a phi 3B pin 22, a phi 3C pin 23 and a phi 3D pin 24 are assembled in a plug insulator 2, the plug terminal is fixed through a plug cover plate 3, the plug insulator 2 is connected with the plug cover plate 3 through anti-theft self-tapping screws, a handle 1 is connected with the plug insulator 2 through the anti-theft self-tapping screws, and a plug waterproof pad 28 is arranged between the handle 1 and the plug insulator 2. After the handle assembly module, the electronic lock assembly module, the plug insulator assembly module and the tail accessory assembly module are assembled, all the assembly modules are assembled together, so that the total assembly of the charging gun is completed.
Claims (5)
1. The utility model provides an electric automobile direct current rifle that charges which characterized in that: the electronic lock assembly comprises a handle assembly module, an electronic lock assembly module, a plug insulator assembly module and a tail accessory assembly module;
the handle assembly module comprises a handle, a mechanical lock pin shaft screw, a mechanical lock spring and an emergency unlocking module, the emergency unlocking module is arranged on the handle, the emergency unlocking module comprises an emergency unlocking push rod, an emergency unlocking top block spring and an emergency unlocking push rod O-shaped ring, the emergency unlocking top block spring is sleeved on a shaft of the emergency unlocking top block, the emergency unlocking push rod O-shaped ring is arranged on the emergency unlocking push rod, central shafts of the emergency unlocking push rod and the emergency unlocking top block are positioned on the same horizontal plane, the emergency unlocking push rod is taken out by pressing the emergency unlocking top block, and the purpose of opening the electronic lock in an emergency is achieved;
the mechanical lock is fixed on the shell of the charging gun body through a mechanical lock pin shaft and a mechanical lock pin shaft screw, and the tail of the shell of the charging gun body is connected with the handle through a mechanical lock spring;
the electronic lock assembly module is arranged on a shell of the handle, the electronic lock assembly module comprises an electronic lock shell, a mechanical lock locking piece, a motor O-shaped ring, a mechanical lock micro switch and a position detection micro switch, the motor O-shaped ring is arranged at one end of the motor, the mechanical lock locking piece is arranged on the motor, the top end of the mechanical lock locking piece is connected to the inner side of the shell of the charging gun body, the motor, the mechanical lock micro switch and the position detection micro switch are arranged in the electronic lock shell, the electronic lock shell comprises an electronic lock upper shell and an electronic lock lower shell, cable sheath O-shaped rings are arranged at wire passing holes of the motor, the mechanical lock micro switch and the position detection micro switch, and the electronic lock cable O-shaped ring is arranged between the electronic lock lower shell and the handle shell;
a plug insulator assembly module is fixed at one end of the handle and comprises a plug insulator, a plug cover plate, a plug insulator cap, a phi 12 plug pin, a phi 6 grounding plug pin, a phi 3A plug pin, a phi 3B plug pin, a phi 3C plug pin, a phi 3D plug pin, a phi 12 plug pin O-shaped ring, a phi 6 grounding plug pin O-shaped ring, a phi 3 plug pin O-shaped ring and a plug waterproof pad, wherein the plug insulator is provided with the phi 12 plug pin, the phi 6 grounding plug pin, the phi 3A plug pin, the phi 3B plug pin, the phi 3C plug pin and the phi 3D plug pin, the phi 12 plug pin O-shaped ring is arranged at the joint of the phi 12 plug pin and the plug cover plate, the phi 6 grounding plug pin O-shaped ring is arranged at the joint of the phi 6 grounding plug pin and the plug cover plate, and the phi 3A plug pin, the phi 3B plug pin, the phi 3C plug pin and the, the plug insulator is connected with the plug cover plate through a screw, the handle is fixedly connected with the plug insulator through a screw, and a plug waterproof pad is arranged between the handle and the plug insulator;
afterbody annex assembly module includes cable locking cap, cable locking cap sleeve pipe, cable sheath, cable locking cap sleeve pipe O type circle, cable, the cable sheath sets up in cable locking cap sleeve pipe, the cable sheath is in the same place through cable locking cap fixed connection with cable locking cap sheathed tube end, the cable sets up inside the cable sheath, cable locking cap sleeve pipe O type circle sets up on cable locking cap sleeve pipe, the cable passes cable sheath, cable locking cap sleeve pipe O type circle in proper order, cable locking cap sleeve pipe is fixed on the handle through cable locking cap, the handle is fixed mutually supporting through the draw-in groove of back-off and cable locking cap on the handle with the fixing of cable locking cap.
2. The electric vehicle direct current charging gun according to claim 1, characterized in that: the fixing between the plug insulator and the phi 12 pin, the phi 6 grounding pin, the phi 3A pin, the phi 3B pin, the phi 3C pin and the phi 3D pin is realized by firstly pressing the pins through the plug cover plate and then fixing the pins through screws.
3. The electric vehicle direct current charging gun according to claim 1, characterized in that: the plug insulator, the plug cover plate and the contact pin insulating cap are formed by injection molding of flame-retardant thermoplastic materials.
4. The electric vehicle direct current charging gun according to claim 1, characterized in that: the handle assembly module further comprises a handle rubber coating piece arranged on the handle.
5. The electric vehicle direct current charging gun according to claim 1, characterized in that: the cable locking cap is made of aluminum alloy materials through die-casting by a die-casting machine and then is subjected to plastic spraying treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010695424.XA CN111786178A (en) | 2020-07-12 | 2020-07-12 | Direct current charging gun for electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010695424.XA CN111786178A (en) | 2020-07-12 | 2020-07-12 | Direct current charging gun for electric automobile |
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| Publication Number | Publication Date |
|---|---|
| CN111786178A true CN111786178A (en) | 2020-10-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010695424.XA Pending CN111786178A (en) | 2020-07-12 | 2020-07-12 | Direct current charging gun for electric automobile |
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| Country | Link |
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| CN (1) | CN111786178A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113178753A (en) * | 2021-05-08 | 2021-07-27 | 四川永贵科技有限公司 | Locking and unlocking structure of charging gun lock hook |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111483333A (en) * | 2019-01-29 | 2020-08-04 | 山东优安新能源汽车零部件有限公司 | Direct current charging gun for electric automobile |
-
2020
- 2020-07-12 CN CN202010695424.XA patent/CN111786178A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111483333A (en) * | 2019-01-29 | 2020-08-04 | 山东优安新能源汽车零部件有限公司 | Direct current charging gun for electric automobile |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113178753A (en) * | 2021-05-08 | 2021-07-27 | 四川永贵科技有限公司 | Locking and unlocking structure of charging gun lock hook |
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Application publication date: 20201016 |
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