CN114122783A - Charging plug device and socket device matched with same - Google Patents

Charging plug device and socket device matched with same Download PDF

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Publication number
CN114122783A
CN114122783A CN202111257343.2A CN202111257343A CN114122783A CN 114122783 A CN114122783 A CN 114122783A CN 202111257343 A CN202111257343 A CN 202111257343A CN 114122783 A CN114122783 A CN 114122783A
Authority
CN
China
Prior art keywords
plug
sleeve
conductive
insulating isolation
collar
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202111257343.2A
Other languages
Chinese (zh)
Inventor
李厚志
张利
包维林
白鸥
郑小娜
高泽正
杨建卿
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
State Grid Electric Vehicle Service Co Ltd
Original Assignee
State Grid Electric Vehicle Service Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Electric Vehicle Service Co Ltd filed Critical State Grid Electric Vehicle Service Co Ltd
Priority to CN202111257343.2A priority Critical patent/CN114122783A/en
Publication of CN114122783A publication Critical patent/CN114122783A/en
Pending legal-status Critical Current

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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
    • H01R13/40—Securing contact members in or to a base or case; Insulating of contact members
    • 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
    • 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
    • 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
    • H01R13/10—Sockets for co-operation with 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
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • 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
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R2201/00—Connectors or connections adapted for particular applications
    • H01R2201/26—Connectors or connections adapted for particular applications for vehicles
    • 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)
  • Power Engineering (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Charge And Discharge Circuits For Batteries Or The Like (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

The present invention relates to a charging plug device, comprising: an insulated plug mounting base (109) having a plug mounting hole (106) therethrough; the plug comprises a first plug conductive piece (110), a second plug conductive piece (120) and a third plug conductive piece (130) which are coaxially and radially fixedly installed in a plug installation hole (106), wherein the first plug conductive piece (110), the second plug conductive piece (120) and the third plug conductive piece (130) are insulated and isolated from each other, the outer diameter of the first plug conductive piece (110) is smaller than that of the second plug conductive piece (120), the outer diameter of the second plug conductive piece (120) is smaller than that of the third plug conductive piece (130), the front end face of the first plug conductive piece (110) is more forward than that of the second plug conductive piece (120), and the front end face of the second plug conductive piece (120) is more forward than that of the third plug conductive piece (130). The invention also relates to a socket device matched with the charging plug device.

Description

Charging plug device and socket device matched with same
Technical Field
The embodiment of the invention relates to the technical field of charging equipment, in particular to a charging plug device and a matched socket device thereof.
Background
In recent years, under the support of national policies and the rapid development of the electric automobile industry, the application of highly automatic driving automobiles is widely pursued by people, and meanwhile, the construction of supporting facilities such as charging stations, charging piles and the like in public areas is rapidly developed. At present many public charging stations, in order to practice thrift the human cost, all set up in unmanned parking area of unmanned on duty management, consequently, along with the quick rising of new energy automobile holding capacity, people can realize the demand of automatic function of charging in unmanned parking area to electric automobile increasing day by day.
In the related art, there is a technology in which a robot (or a manipulator) grips a charging plug and plugs in a vehicle-mounted charging socket to realize charging. And among the current charging plug setting, each inside stitch of charging plug sets up for evenly arranging usually, when inserting charging plug in on-vehicle socket subassembly, if plug angle or dynamics are not right, the difficult condition of plug often can appear.
Therefore, it is desirable to provide a charging device for solving the above-mentioned problem of difficult insertion and extraction of the plug and the socket during the charging process.
Disclosure of Invention
An embodiment of the present invention provides a charging plug device, including: the plug mounting seat is provided with a plug mounting hole which is communicated from front to back; the plug comprises a first plug conductive piece, a second plug conductive piece and a third plug conductive piece which are coaxially and radially fixedly installed in a plug installation hole, wherein the first plug conductive piece, the second plug conductive piece and the third plug conductive piece are insulated and isolated from each other, the outer diameter of the first plug conductive piece is smaller than that of the second plug conductive piece, the outer diameter of the second plug conductive piece is smaller than that of the third plug conductive piece, the front end face of the first plug conductive piece is more front than that of the second plug conductive piece, and the front end face of the second plug conductive piece is more front than that of the third plug conductive piece.
The invention also relates to a socket device matched with the charging plug device.
The invention achieves the following beneficial effects: this application is through improving the position relation of the inside conduction piece of plug subassembly and socket subassembly, make the inside conduction piece of plug subassembly and the inside conduction piece of socket subassembly all adopt the mode equipment that the pile set up, and set up insulating spacer sleeve between each conduction piece, when guaranteeing that the conduction piece that plug subassembly and socket subassembly correspond each other can contact smoothly and switch on, avoided the influence each other of each conduction piece, make the plug power more concentrated, reduced the plug degree of difficulty.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
FIG. 1 is a cross-sectional view of one of the angles of the plug assembly in an embodiment of the present invention;
FIG. 2 is an exploded view of a portion of FIG. 1;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
FIG. 4 is a cross-sectional view of one of the angles of the receptacle assembly in an embodiment of the present invention;
FIG. 5 is a cross-sectional view of a plug assembly mated and secured with a receptacle assembly in an embodiment of the present invention;
FIG. 6 is a partial enlarged view at B in FIG. 5;
reference numerals: 100. a plug assembly; 109. a plug mounting seat; 106. a plug mounting hole; 107. a plug is provided with a counter bore; 108. a plug mounting hole shoulder; 110. a first plug conductive member; 120. a second plug conductive member; 130. a third plug conductive member; 143. an inner bore of the third plug conductive member; 141. a shoulder, 142 of the third plug conductive member, a counterbore of the third plug conductive member; 111. a first plug contact portion; 112. a plug fixing shaft; 113. the plug fixes the shaft end screw hole; 114. a shoulder of the first plug conductive member; 115. a mesa-shaped plug end of the first plug contact portion; 116. the plug fixes the external thread of the shaft end; 101. a plug first step; 121. a second plug conductive collar; 153. an inner bore of the second plug conductive collar; 152. a counterbore of the second plug conductive collar; 151. a bore shoulder of the second plug conductive collar; 122. a second plug conductive sleeve; 132. a shoulder of the second plug conductive sleeve; 200. a receptacle assembly; 210. a first socket conductive member; 220. a second socket conductive member; 230. a third socket conductive member; 211. a first socket contact; 212. a socket fixing shaft; 300. a plug insulating spacer sleeve; 310. a first plug insulating spacer sleeve; 320. a second plug insulating spacer sleeve; 330. a third plug insulating spacer sleeve; 332. a shaft hole shoulder of the third plug insulating spacer sleeve; 400. a socket insulating spacer sleeve; 410. a first socket insulating spacer sleeve; 420. a second socket insulating spacer sleeve; 430. a third socket insulating spacer sleeve; 311. a first plug insulating isolation collar; 318. an inner hole of the first plug insulating isolation lantern ring; 323. a counterbore of the first plug insulating isolation collar; 312. a first plug insulating isolation sleeve; 351. an inner hole of the first plug insulating isolation sleeve; 353. a necking section of the first plug insulating spacer sleeve; 352. a shoulder of the first plug insulating spacer sleeve; 102. a plug second step; 103. a plug third step; 104 plug fourth step; 105. a plug fifth step; 321. a second plug insulating isolation collar; 322. a second plug insulating isolation sleeve; 363. an inner hole of the second plug insulating isolation sleeve; 361. a shaft shoulder of the second plug insulating isolation sleeve; 362. a counterbore of the second plug insulating isolation sleeve; 411. a third socket insulating isolation collar; 412. a third socket insulating spacer sleeve; 201. a first socket limiting part; 202. a second socket limiting part; 203. a third limiting part of the socket; 204. a fourth limiting part of the socket; 205. a fifth limiting part of the socket; 500. a socket housing; 600. a plug housing; 601. a plug buckle cover; 602. a first gasket; 603. a second gasket; 604. a third gasket; 605. locking the nut; 606. installing a locking washer; 700. an automatic charging robot.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention. 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.
It should be noted that the descriptions relating to "first", "second", etc. in the embodiments of the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, technical solutions between various embodiments may be combined with each other, but must be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.
The direction in which the plug assembly 100 is directed toward the receptacle assembly 200 is referred to as the front of the plug assembly, and the direction in which the receptacle assembly is directed toward the plug assembly is referred to as the front of the receptacle assembly.
Referring to fig. 1 to 6, the present embodiment provides a charging device, including: a plug assembly 100 and a receptacle assembly 200 that mates with the plug assembly 100. Plug assembly 100 includes a first plug conductor 110, a second plug conductor 120, and a third plug conductor 130; socket assembly 200 includes a first socket conductor 210, a second socket conductor 220, and a third socket conductor 230; wherein, the second plug conductive member 120 is sleeved outside the first plug conductive member 110, the third plug conductive member 130 is sleeved outside the second plug conductive member 120, and plug insulating isolation sleeves 300 are respectively arranged between the first plug conductive member 110 and the second plug conductive member 120, and between the second plug conductive member 120 and the third plug conductive member 130; the second socket conductive member 220 is sleeved outside the first socket conductive member 210, the third socket conductive member 230 is sleeved outside the second socket conductive member 220, and socket insulation isolation sleeves 400 are respectively arranged between the first socket conductive member 210 and the second socket conductive member 220, and between the second socket conductive member 220 and the third socket conductive member 230.
When the plug assembly 100 is fixed with the socket assembly 200, the first plug conductor 110, the second plug conductor 120, and the third plug conductor 130 contact the first socket conductor 210, the second socket conductor 220, and the third socket conductor 230, respectively.
As shown in fig. 1-6, preferably, the plug insulating spacer 300 includes a first plug insulating spacer 310 disposed between the first plug conductor 110 and the second plug conductor 120, a second plug insulating spacer 320 disposed between the second plug conductor 120 and the third plug conductor 130, and a third plug insulating spacer 330 disposed outside the third plug conductor 130; the socket insulating spacer 400 includes a first socket insulating spacer 410 disposed between the first socket conductor 210 and the second socket conductor 220, a second socket insulating spacer 420 disposed between the second socket conductor 220 and the third socket conductor 230, and a third socket insulating spacer 430 sleeved outside the third socket conductor 230.
As shown in fig. 1 to 6, preferably, the first plug conductive member 110 includes a first plug contact portion 111 for contacting the first socket conductive member 210 and a first plug fixing shaft 112 connected to an end of the first plug contact portion 111 away from the first socket conductive member 210, a first plug step 101 is disposed at a connection position of the first plug fixing shaft 112 and the first contact portion 111, a first plug insulating spacer 310 is sleeved on an outer circumferential surface of the first plug fixing shaft 112, and an end of the first plug insulating spacer 310 close to the first plug contact portion 111 abuts against the first plug step 101.
As shown in fig. 1 to 6, preferably, the first plug insulating spacer 310 includes a first plug insulating spacer collar 311 fixed in abutment with the first plug step 101 and a first plug insulating spacer sleeve 312 embedded in the first plug insulating spacer collar 311 on a side away from the first plug step 101; a plug second step 102 is arranged at the joint of the first plug insulating isolation lantern ring 311 and the first plug insulating isolation sleeve 312; the second plug conductive member 120 is sleeved outside the first plug insulating isolation sleeve 312 and abuts against the plug second step 102. The second plug insulating isolation sleeve 320 comprises a second plug insulating isolation sleeve ring 321 which is fixedly abutted with the second plug conductive member 120 and a second plug insulating isolation sleeve 322 which is embedded in one side of the second plug insulating isolation sleeve ring 321 away from the second plug conductive member 120; the third plug conductive member 130 is sleeved outside the second plug insulating isolation sleeve 322 and abuts against the second plug insulating isolation collar 321. The second plug conductive member 120 includes a second plug conductive sleeve 122 and a second plug conductive sleeve ring 121, a third plug step 103 is arranged on one side of the second plug conductive sleeve ring 121 away from the second step 102, the second plug insulating isolation sleeve 322 is embedded inside the second plug insulating isolation sleeve ring 321 and enables the second plug insulating isolation sleeve ring 321 to be fixedly abutted with the third plug step 103, and the outer wall of the second plug insulating isolation sleeve 322 is fixedly abutted with the inner wall of the second plug conductive sleeve 122. The outer diameter of the second plug insulating isolation lantern ring 321 is larger than the outer diameter of the second plug insulating isolation sleeve 322, a fourth plug step is formed at the joint of the second plug insulating isolation lantern ring 321 and the second plug insulating isolation sleeve 322, and the third plug conductive piece 130 is sleeved on the outer peripheral surface of the second plug insulating isolation sleeve 322 and is fixedly abutted to the fourth plug step. The third plug conductive member 130 is provided with a plug fifth step 105, and the third plug insulating spacer 330 is sleeved outside the third plug conductive member 130 and is abutted and fixed with the plug second step 102.
As shown in fig. 1 to 6, preferably, the first socket conductive member 210 includes a socket fixing shaft 212 and a first socket contact portion 211 disposed at an end of the socket fixing shaft 212 close to the plug assembly 100, the first socket insulating spacer sleeve 410 includes a third socket insulating spacer sleeve 411 disposed at an outer peripheral surface of the socket fixing shaft 212 and a third socket insulating spacer sleeve 412 disposed at an outer portion of the third socket insulating spacer sleeve 411 and the first socket contact portion 211, the third socket insulating spacer sleeve 412 is provided with a first position-limiting portion 201, and an end of the first socket contact portion 211 away from the socket fixing shaft 212 is abutted and fixed to the first position-limiting portion 201. The outer diameter of the first contact portion 111 is set to be the same as the inner diameter of the first receptacle contact portion 211, so that the plug first contact portion 111 and the receptacle first contact portion 211 are matched and abutted to each other when the plug assembly 100 is plugged into the receptacle assembly 200. Similarly, the outer diameter of the second plug conductive collar 121 is the same as the inner diameter of the second socket conductive element 220, and the inner diameter of the contact portion of the third plug conductive element 130 and the third socket conductive element 230 is the same, so that when the plug assembly 100 is mated with the socket assembly 200, the corresponding plug conductive elements and socket conductive elements can be in contact with each other. Optionally, after the first plug conductive element 110, the second plug conductive element 120, and the third plug conductive element 130 are assembled and fixed with the plug insulating spacer, the whole body is a cylinder-like body, and after the first socket conductive element 210, the second socket conductive element 220, and the third socket conductive element 230 are assembled and fixed with the socket insulating spacer, a half-open cavity matching with the cylinder-like body is formed, and when the plug assembly 100 is plugged into the socket assembly 200, the half-open cavity is filled.
As shown in fig. 1 to 6, preferably, the second socket conductive member 220 is provided with a second position-limiting portion 202, and the third socket insulating isolation sleeve 412 is embedded inside the second socket conductive member 220 and is abutted and fixed with the second position-limiting portion 202.
As shown in fig. 1 to 6, preferably, the second socket insulating spacer 420 is provided with a third position-limiting portion 203, and the second socket conductive member 220 is embedded in the second socket insulating spacer 420 and is abutted and fixed with the third position-limiting portion 203; the third socket conductive member 230 is provided with a fourth limiting portion 204, and the second socket insulating spacer 420 is embedded in the third socket conductive member 230 and is abutted and fixed with the fourth limiting portion 204; the third socket insulating spacer 430 has a fifth position-limiting portion 205, and the third socket conductive member 230 is embedded in the third socket insulating spacer 430 and is abutted and fixed to the fifth position-limiting portion 205.
As shown in fig. 1 to 6, it preferably further includes a socket housing 500 and a plug housing 600, and the socket assembly 200 and the plug assembly 100 are respectively fixed inside the socket housing 500 and the plug housing 600 by nuts; when the plug assembly 100 is fixedly inserted into the socket assembly 200, the central axis of the plug assembly 100 is aligned with the central axis of the socket assembly 200. Optionally, a plug buckle cover 601 made of an insulating material is further disposed at a fixing position of the plug assembly 100 and the plug housing 600.
As shown in fig. 1 to 6, the charging device provided in this embodiment can be used in combination with an automatic charging robot 700, the plug assembly 100 is connected to the automatic charging robot 700, and the automatic charging robot 700 operates the plug assembly 100 and the receptacle assembly 200 to implement plugging and unplugging operations through a preset program.
The invention is now summarized as follows:
the present invention provides a charging plug device, including: an insulative plug mounting socket 109 having a plug mounting hole 106 therethrough;
first plug conductive member 110, second plug conductive member 120 and third plug conductive member 130 coaxially and radially fixedly installed in plug mounting hole 106, first plug conductive member 110, second plug conductive member 120 and third plug conductive member 130 are insulated and isolated from each other, the outer diameter of first plug conductive member 110 is smaller than the outer diameter of second plug conductive member 120, the outer diameter of second plug conductive member 120 is smaller than the outer diameter of third plug conductive member 130, the front end surface of first plug conductive member 110 is more forward than the front end surface of second plug conductive member 120, and the front end surface of second plug conductive member 120 is more forward than the front end surface of third plug conductive member 130.
The charging plug device preferably further comprises a first plug insulating spacer collar 311 and a first plug insulating spacer sleeve 312; the first plug conductive member 110 includes a plug fixing shaft 112, and a plug first contact portion 111 coaxially fixed to the plug fixing shaft 112 and having a larger diameter than the plug fixing shaft 112, thereby forming a shoulder 114 of the first plug conductive member;
the inner hole 318 of the first plug insulating isolating sleeve ring is matched with the outer peripheral surface of the plug fixing shaft in a sleeved mode, the front end face of the first plug insulating isolating sleeve ring is axially abutted to the shaft shoulder 114 of the first plug conductive piece, and the outer diameter of the first plug insulating isolating sleeve ring is not larger than that of the first contact part 111 of the plug of the first plug conductive piece; the rear end of the first plug insulating isolation sleeve ring is provided with a counter bore 323 of the first plug insulating isolation sleeve ring, the front section of the first plug insulating isolation sleeve is provided with a necking section 353 of the first plug insulating isolation sleeve, the necking section 353 of the first plug insulating isolation sleeve is inserted into the counter bore 323 of the first plug insulating isolation sleeve ring, and an inner bore 351 of the first plug insulating isolation sleeve is sleeved on the plug fixing shaft 112.
Preferably, the second plug conductor 120 includes a second plug conductive collar 121 and a second plug conductive sleeve 122; the second plug conductive collar 121 includes a second plug conductive collar bore 153 and a second plug conductive collar counterbore 152 at the rear end and a second plug conductive collar bore shoulder 151; the inner bore 153 of the second plug conductive collar fits around the outer circumference of the neck section of the first plug insulating sleeve 312, and the second plug conductive sleeve 122 fits between the inner circumference of the counterbore 152 of the second plug conductive collar and the outer circumference of the first plug insulating sleeve 312.
Preferably, the second plug conductive sleeve 122 abuts the shoulder 151 of the second plug conductive collar.
The charging plug device further preferably comprises a second plug insulating isolation sleeve ring 321 and a second plug insulating isolation sleeve 322, the second plug insulating isolation sleeve ring 321 comprises an inner hole of the second plug insulating isolation sleeve ring and a counter bore of the second plug insulating isolation sleeve ring positioned at the rear end, the inner hole of the second plug insulating isolation sleeve ring is sleeved on the outer peripheral surface of the second plug conductive sleeve 122, the diameter of the second plug insulating isolation sleeve ring is not larger than the outer diameter of the second plug conductive sleeve ring 121, and the second plug insulating isolation sleeve 322 is sleeved on the outer peripheral surface of the second plug conductive sleeve 122 and is inserted into the counter bore of the second plug insulating isolation sleeve ring.
Preferably, the second plug insulating spacer sleeve 322 is axially inserted to the bottom towards the counterbore of the second plug insulating spacer collar.
Preferably, the plug mounting hole 106 includes a plug mounting counterbore 107 at the rear end, thereby forming a plug mounting hole shoulder 108; third plug conductor 130 includes an inner bore 143 of the third plug conductor and a shoulder 141 of the third plug conductor at the rear end; the inner bore 143 of the third plug conductive member is fitted over the outer peripheral surface of the second plug insulating sleeve 322, and the shoulder 141 of the third plug conductive member is fitted in the plug mounting counterbore 107.
Preferably, the third plug conductive member includes a counterbore 142 at the rear end of the third plug conductive member, the second plug insulating sleeve has a shoulder 361 at the rear end of the second plug insulating sleeve, and the shoulder 361 of the second plug insulating sleeve is inserted into the counterbore 142 of the third plug conductive member.
Preferably, the charging plug device further comprises a third plug insulating spacer 330, the third plug insulating spacer 330 having a rear axial shoulder 332 of the third plug insulating spacer, the axial shoulder 332 of the third plug insulating spacer being axially sandwiched between the plug mounting shoulder 108 and the shoulder 141 of the third plug conductive member and radially fitting between the plug mounting counterbore 107 and the outer peripheral surface of the third plug conductive member.
The invention also provides a socket device matched with the charging plug device.
In conclusion, the charging device with coaxial conductive pieces is provided by the plug conductive piece and the plug insulating isolation sleeve which are in laminated sleeving, and the socket conductive piece and the socket insulating isolation sleeve which are in laminated sleeving, so that the plugging difficulty is reduced, the problems of difficult plugging alignment and incapability of concentrating plugging force caused by dispersion of the conductive pieces are solved, the plugging and unplugging matching of the plug component and the socket component in the charging process is facilitated, and the charging device is particularly suitable for automatic equipment application such as automatic charging robots. Furthermore, the charging device provided by the invention also avoids the problem of processing errors or assembly deviation which are easily caused in the processing and assembly processes when a plurality of conductive pieces are dispersedly arranged in the prior art, and effectively improves the processing efficiency. In addition, the charging device provided by the invention has higher stability, and the integrity is higher after the assembly is finished, so that the service life of the charging device is prolonged.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art will understand that various changes, modifications and substitutions can be made without departing from the spirit and scope of the invention as defined by the appended claims. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (10)

1. A charging plug device, comprising:
an insulated plug mounting base (109) having a plug mounting hole (106) therethrough;
the plug comprises a first plug conductive piece (110), a second plug conductive piece (120) and a third plug conductive piece (130) which are coaxially and radially fixedly installed in a plug installation hole (106), wherein the first plug conductive piece (110), the second plug conductive piece (120) and the third plug conductive piece (130) are insulated and isolated from each other, the outer diameter of the first plug conductive piece (110) is smaller than that of the second plug conductive piece (120), the outer diameter of the second plug conductive piece (120) is smaller than that of the third plug conductive piece (130), the front end face of the first plug conductive piece (110) is more forward than that of the second plug conductive piece (120), and the front end face of the second plug conductive piece (120) is more forward than that of the third plug conductive piece (130).
2. The charging plug device according to claim 1, further comprising a first plug insulating spacer collar (311) and a first plug insulating spacer sleeve (312); the first plug conductive member (110) includes a plug fixing shaft (112), and a plug first contact portion (111) coaxially fixed to the plug fixing shaft (112) and having a larger diameter than the plug fixing shaft (112), thereby forming a shoulder (114) of the first plug conductive member;
the inner hole (318) of the first plug insulating isolation lantern ring is matched with the peripheral surface of the plug fixing shaft in a sleeved mode, the front end face of the first plug insulating isolation lantern ring is axially abutted to a shaft shoulder (114) of a first plug conductive piece, and the outer diameter of the first plug insulating isolation lantern ring is not larger than that of a first contact part (111) of the first plug conductive piece; the rear end of the first plug insulating isolation lantern ring is provided with a counter bore (323) of the first plug insulating isolation lantern ring, the front section of the first plug insulating isolation sleeve is provided with a necking section (353) of the first plug insulating isolation sleeve, the necking section (353) of the first plug insulating isolation sleeve is inserted into the counter bore (323) of the first plug insulating isolation lantern ring, and an inner bore (351) of the first plug insulating isolation sleeve is sleeved into the plug fixing shaft (112).
3. A charging plug device according to claim 2, characterised in that the second plug conductive member (120) comprises a second plug conductive collar (121) and a second plug conductive sleeve (122); the second plug conductive collar (121) comprises an inner hole (153) of the second plug conductive collar, a counter bore (152) of the second plug conductive collar at the rear end and a hole shoulder (151) of the second plug conductive collar; the inner hole (153) of the second plug conductive sleeve ring is matched with the outer peripheral surface of the necking section of the first plug insulating isolation sleeve (312), and the second plug conductive sleeve (122) is inserted between the inner peripheral surface of the counter bore (152) of the second plug conductive sleeve ring and the outer peripheral surface of the first plug insulating isolation sleeve (312).
4. A charging plug device according to claim 3, characterised in that the second plug conductive sleeve (122) abuts against a bore shoulder (151) of the second plug conductive collar.
5. The charging plug device according to claim 3 or 4, further comprising a second plug insulating isolation collar (321) and a second plug insulating isolation sleeve (322), wherein the second plug insulating isolation collar (321) comprises an inner hole of the second plug insulating isolation collar and a counter bore of the second plug insulating isolation collar at the rear end, the inner hole of the second plug insulating isolation collar is fitted on the outer peripheral surface of the second plug conductive sleeve (122), the diameter of the second plug insulating isolation collar is not greater than the outer diameter of the second plug conductive collar (121), and the second plug insulating isolation sleeve (322) is fitted on the outer peripheral surface of the second plug conductive sleeve (122) and inserted into the counter bore of the second plug insulating isolation collar.
6. The charging plug device according to claim 5, wherein the second plug insulating spacer sleeve (322) is plugged to the bottom axially towards the counter bore of the second plug insulating spacer collar.
7. A charging arrangement as claimed in claim 6, in which the plug mounting aperture (106) comprises a plug mounting counterbore (107) at the rear end, thereby forming a plug mounting aperture shoulder (108); the third plug conductor (130) includes an inner bore (143) of the third plug conductor and a shoulder (141) of the third plug conductor at the rear end; the inner hole (143) of the third plug conductive piece is sleeved on the outer peripheral surface of the second plug insulating isolation sleeve (322), and the shaft shoulder (141) of the third plug conductive piece is sleeved in the plug mounting counter bore (107).
8. The charging plug device of claim 7, wherein the third plug conductive member includes a counterbore (142) of the third plug conductive member at a rear end, the second plug insulating sleeve having a shoulder (361) of the second plug insulating sleeve at the rear end, the shoulder (361) of the second plug insulating sleeve being inserted into the counterbore (142) of the third plug conductive member.
9. The charging plug device of claim 1, further comprising a third plug insulating spacer (330), the third plug insulating spacer (330) having a third plug insulating spacer axial bore shoulder (332) at a rear end, the third plug insulating spacer axial bore shoulder (332) being axially sandwiched between the plug mounting bore shoulder (108) and the third plug conductive member axial shoulder (141) and radially nested between the plug mounting counterbore (107) and the third plug conductive member outer peripheral surface.
10. A socket device adapted to the charging plug device of claim 1.
CN202111257343.2A 2021-10-27 2021-10-27 Charging plug device and socket device matched with same Pending CN114122783A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111257343.2A CN114122783A (en) 2021-10-27 2021-10-27 Charging plug device and socket device matched with same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111257343.2A CN114122783A (en) 2021-10-27 2021-10-27 Charging plug device and socket device matched with same

Publications (1)

Publication Number Publication Date
CN114122783A true CN114122783A (en) 2022-03-01

Family

ID=80377139

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202111257343.2A Pending CN114122783A (en) 2021-10-27 2021-10-27 Charging plug device and socket device matched with same

Country Status (1)

Country Link
CN (1) CN114122783A (en)

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