CN207082658U - Contact pin and charging gun - Google Patents

Contact pin and charging gun Download PDF

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Publication number
CN207082658U
CN207082658U CN201721015392.4U CN201721015392U CN207082658U CN 207082658 U CN207082658 U CN 207082658U CN 201721015392 U CN201721015392 U CN 201721015392U CN 207082658 U CN207082658 U CN 207082658U
Authority
CN
China
Prior art keywords
connector
coolant
plug connector
connection
contact pin
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.)
Active
Application number
CN201721015392.4U
Other languages
Chinese (zh)
Inventor
周诚智
周和平
康树峰
张强
邹志平
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.)
Shenzhen Woer New Energy Electric Technology Co Ltd
Original Assignee
Shenzhen Woer Heat Shrinkable Material Co Ltd
Huizhou LTK Electronic Cable Co Ltd
LTK Electric Wire Huizhou Co Ltd
Shenzhen Woer Special Cable Co Ltd
Changzhou Woer Nuclear Material Co Ltd
Shenzhen Woer New Energy Electric Technology 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 Shenzhen Woer Heat Shrinkable Material Co Ltd, Huizhou LTK Electronic Cable Co Ltd, LTK Electric Wire Huizhou Co Ltd, Shenzhen Woer Special Cable Co Ltd, Changzhou Woer Nuclear Material Co Ltd, Shenzhen Woer New Energy Electric Technology Co Ltd filed Critical Shenzhen Woer Heat Shrinkable Material Co Ltd
Priority to CN201721015392.4U priority Critical patent/CN207082658U/en
Application granted granted Critical
Publication of CN207082658U publication Critical patent/CN207082658U/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of contact pin, including plug connector and connector.Plug connector offers cooling liquid flowing channel and in the end face formed with grafting inner joint away from the one end in grafting direction, and plug connector coolant connection is offered on plug connector.Connector is provided with connector coolant connection, crimping hole and connector coolant duct.Plug connector is linked together with connector, and connector coolant duct is arranged in plug connector cooling liquid flowing channel, and formed with gap runner between connector coolant duct and plug connector cooling liquid flowing channel wall.Plug connector coolant connection, gap runner, connector coolant duct and connector coolant connection connect the runner to form coolant circulation.The utility model takes away the heat that contact pin distributes by the coolant of circulation, can reduce the temperature of contact pin automatically, and then can improve the current capacity of charging gun, it is ensured that carry out the stability and reliability of high-power charging.

Description

Contact pin and charging gun
Technical field
It the utility model is related to connector technique field, more particularly to a kind of contact pin and the charging gun using the contact pin.
Background technology
When carrying out high-power charging to electric automobile using charging gun, fever phenomenon occurs in charging gun, safety be present Hidden danger.Contact pin that the heating cause of charging gun is to be mutually inserted with and corresponding terminal heating can be produced in charging, heating is accumulated Potential safety hazard can be had by gathering certain procedures, this not only lowers the service life of charging gun, and in fact also limit big The development of power charging gun.
Therefore, a kind of contact pin and charging gun that can realize itself cooling function of active demand.
Utility model content
Main purpose of the present utility model is to provide a kind of contact pin that can realize itself cooling function so that should High-power charging can be carried out with the charging gun of the contact pin.
In order to solve the above technical problems, contact pin provided by the utility model includes a plug connector and a connection piece.Plug connector Cooling liquid flowing channel is inwardly offered away from the one end in grafting direction and in the end face formed with grafting inner joint, is opened up on plug connector There is the plug connector coolant connection connected with cooling liquid flowing channel.Connector has base portion, and base portion connects provided with connector coolant Mouthful, base portion one end inwardly offers crimping hole, housing the cable being connected with connector in the crimping hole.The base portion other end is set There is the connector coolant duct with the connection of connector coolant connection and in the base portion end face formed with being connected inner joint.
Plug connector links together with connector, wherein, connector coolant duct is arranged at plug connector cooling liquid flowing channel It is interior, and formed with gap runner between connector coolant duct and plug connector cooling liquid flowing channel wall.
Plug connector coolant connection, gap runner, connector coolant duct connect to be formed with connector coolant connection Coolant circulation runner, grafting inner joint and be connected inner joint formed be electrically connected and with the coolant circulate runner it is close Envelope insulation.
Preferably, the flow path wall of the runner of the coolant circulation is each formed with insulating.
Preferably, the plug connector inwardly offers fixing groove, the fixing groove and cooling away from the one end in grafting direction Liquid flow passage, the width of the fixing groove are more than the width of the cooling liquid flowing channel, and the base portion of the connector is provided with connection Cut narrow to be fixed in the fixing groove in one end outer surface of part coolant duct.
Preferably, the grafting inner joint of the plug connector is plane, and the connection inner joint of the connector is plane.
Preferably, the contact with the connection inner joint of connector of the grafting inner joint of the plug connector is connected as welding, spiral shell Line connection, sealing ring sealing or the two interference fit.
Preferably, the face that plug connector coolant connection is offered on the plug connector is plane.
Preferably, the face that the base portion is provided with connector coolant connection is plane.
Preferably, circulation has insulating oil in the runner of the coolant circulation.
Preferably, being circulated in the runner of the coolant circulation has liquid cold water, and the runner inner wall of the coolant circulation is exhausted Edge.
The utility model also provides a kind of charging gun, and the charging gun is provided with above-mentioned contact pin.
The utility model contact pin includes plug connector and connector, plug connector coolant connection, gap runner, connector cooling Liquid pipe road connects the runner to form coolant circulation with connector coolant connection, takes away contact pin by the coolant of circulation and distributes Heat, the temperature of contact pin can be reduced automatically, and then the current capacity of charging gun can be improved, it is ensured that carry out high-power charging Stability and reliability.
Brief description of the drawings
Fig. 1 is the structural representation of the plug connector of the utility model contact pin;
Fig. 2 is the vertical section structure schematic diagram of plug connector shown in Fig. 1;
Fig. 3 is the structural representation of the connector of the utility model contact pin;
Fig. 4 is the vertical section structure schematic diagram of connector shown in Fig. 1;
Fig. 5 is the dimensional structure diagram after the utility model contact pin is completed;
Fig. 6 is the vertical section structure schematic diagram of contact pin shown in Fig. 5;
Fig. 7 is another angle vertical section structure schematic diagram of contact pin shown in Fig. 5.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out Clearly and completely describing, it is clear that described embodiment is only part of the embodiment of the present utility model, rather than all Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise Lower obtained every other embodiment, belong to the scope of the utility model protection.
Fig. 1 and Fig. 2 are referred to, the utility model contact pin includes a plug connector 10 and a connection piece 20.
Plug connector 10 is substantially cylindrical, and plug connector 10 inwardly offers cooling liquid flowing channel 11 away from the one end in grafting direction And in the end face formed with grafting inner joint 12, the plug connector coolant connected with cooling liquid flowing channel 11 is offered on plug connector 10 Interface 13.
Fig. 3 and Fig. 4 are referred to, connector 20 has base portion 21, and base portion 21 is provided with connector coolant connection 22, base portion 21 one end inwardly offer crimping hole 23, housing connected cable in the crimping hole 23(Do not show in figure).Base portion 21 The other end is provided with the connector coolant duct 24 connected with connector coolant connection 22 and in the base portion end face formed with even Connect inner joint 25.
Referring again to Fig. 5, Fig. 6 and Fig. 7, in assembling, plug connector 10 links together contact pin with connector 20, wherein, Connector coolant duct 24 is arranged in plug connector cooling liquid flowing channel 11, and connector coolant duct 24 cools down with plug connector Formed with gap runner t between liquid flow path wall.
Plug connector coolant connection 13, gap runner t, connector coolant duct 24 and connector coolant connection 22 Connection forms the runner of coolant circulation, and grafting inner joint 12 is with being connected the formation of inner joint 25 electrical connection and being circulated with coolant Runner sealed insulation.
As further improvement of this embodiment, the flow path wall of the runner of the coolant circulation is each formed with insulating,
As further improvement of this embodiment, the plug connector 10 inwardly offers fixation away from the one end in grafting direction Groove 14, fixing groove 14 connect with cooling liquid flowing channel 11, and the width of fixing groove 14 is more than the width of cooling liquid flowing channel 11, connector 20 Base portion 21 be provided with connector coolant duct one end outer surface cut it is narrow to be fixed in fixing groove 14.
As further improvement of this embodiment, the grafting inner joint 12 of the plug connector 10 is plane, the connector 20 connection inner joint 25 is plane.
As further improvement of this embodiment, in the grafting inner joint 12 of the plug connector 10 and the connection of connector 20 The contact of interface 25 is connected as welding, is threadedly coupled, sealing ring sealing or the two interference fit.
As further improvement of this embodiment, the face that plug connector coolant connection 13 is offered on the plug connector 10 is Plane.
As further improvement of this embodiment, the face that the base portion 21 is provided with connector coolant connection 22 is flat Face.
As further improvement of this embodiment, being circulated in the runner of the coolant circulation has insulating oil.
As further improvement of this embodiment, being circulated in the runner of the coolant circulation has liquid cold water, the cooling The logical runner inner wall insulation of liquid stream.
The utility model also provides a kind of charging gun, and the charging gun is provided with above-mentioned contact pin.Because the charging gun employs Whole technical schemes of above-mentioned all embodiments, therefore at least have caused by the technical scheme of above-mentioned corresponding embodiment and own Beneficial effect, this is no longer going to repeat them.
The utility model contact pin includes plug connector 10 and connector 20, plug connector coolant connection 13, gap runner t, connects Fitting coolant duct 24 connects the runner to form coolant circulation with connector coolant connection 22, passes through the coolant of circulation The heat that contact pin distributes is taken away, the temperature of contact pin can be reduced automatically, and then the current capacity of charging gun can be improved, it is ensured that is carried out The stability and reliability of high-power charging.
Preferred embodiment of the present utility model is these are only, not thereby limits the scope of the claims of the present utility model, it is every Under utility model of the present utility model design, the equivalent structure made using the utility model specification and accompanying drawing content is become Change, or be directly or indirectly used in other related technical areas and be included in scope of patent protection of the present utility model.

Claims (9)

1. a kind of contact pin, it is characterised in that the contact pin includes:
One plug connector, the plug connector away from grafting direction one end inwardly offer cooling liquid flowing channel and the end face formed with Grafting inner joint, the plug connector coolant connection connected with the cooling liquid flowing channel is offered on the plug connector;
A connection piece, the connector have a base portion, and the base portion is provided with connector coolant connection, described base portion one end to Inside offer and crimp hole, to house the cable being connected with connector in the crimping hole, the base portion other end is provided with being connected Part coolant connection connection connector coolant duct and the base portion end face formed with connection inner joint;
The plug connector links together with connector, wherein, it is cold that the connector coolant duct is arranged at the plug connector But it is described in liquid stream road, and formed with gap runner between the connector coolant duct and plug connector cooling liquid flowing channel wall Plug connector coolant connection, gap runner, connector coolant duct connect to form cooling liquid stream with connector coolant connection Logical runner, the runner sealing that the grafting inner joint forms electrical connection and circulated with the coolant with being connected inner joint are exhausted Edge.
2. contact pin as claimed in claim 1, it is characterised in that the plug connector inwardly offers away from the one end in grafting direction Fixing groove, the fixing groove connect with cooling liquid flowing channel, and the width of the fixing groove is more than the width of the cooling liquid flowing channel, institute State connector base portion be provided with connector coolant duct one end outer surface cut it is narrow to be fixed in the fixing groove.
3. contact pin as claimed in claim 1, it is characterised in that the grafting inner joint of the plug connector is plane, the connection The connection inner joint of part is plane.
4. contact pin as claimed in claim 1, it is characterised in that in the connection of the grafting inner joint and connector of the plug connector The contact of interface is connected as welding, is threadedly coupled, sealing ring sealing or the two interference fit.
5. contact pin as claimed in claim 1, it is characterised in that the face of plug connector coolant connection is offered on the plug connector For plane.
6. contact pin as claimed in claim 1, it is characterised in that the face that the base portion is provided with connector coolant connection is flat Face.
7. contact pin as claimed in claim 1, it is characterised in that circulation has insulating oil in the runner of the coolant circulation.
8. contact pin as claimed in claim 1, it is characterised in that circulation has liquid cold water, institute in the runner of the coolant circulation State the runner inner wall insulation of coolant circulation.
9. a kind of charging gun, it is characterised in that the charging gun is provided with the contact pin as described in any one of claim 1 to 8.
CN201721015392.4U 2017-08-15 2017-08-15 Contact pin and charging gun Active CN207082658U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721015392.4U CN207082658U (en) 2017-08-15 2017-08-15 Contact pin and charging gun

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721015392.4U CN207082658U (en) 2017-08-15 2017-08-15 Contact pin and charging gun

Publications (1)

Publication Number Publication Date
CN207082658U true CN207082658U (en) 2018-03-09

Family

ID=61419745

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721015392.4U Active CN207082658U (en) 2017-08-15 2017-08-15 Contact pin and charging gun

Country Status (1)

Country Link
CN (1) CN207082658U (en)

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Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20210616

Address after: 518000 6th floor, phase III factory building, WUR Industrial Park, Lanjing North Road, Pingshan District, Shenzhen City, Guangdong Province

Patentee after: SHENZHEN WOER NEW ENERGY ELECTRICAL TECHNOLOGY Co.,Ltd.

Patentee after: Shenzhen Woer Heat-shrinkable Material Co.,Ltd.

Patentee after: CHANGZHOU WOER HEAT-SHRINKABLE MATERIAL Co.,Ltd.

Address before: 518118 6th floor, phase III factory building, WUR Industrial Park, Lanjing North Road, Pingshan District, Shenzhen City, Guangdong Province

Patentee before: SHENZHEN WOER NEW ENERGY ELECTRICAL TECHNOLOGY Co.,Ltd.

Patentee before: Shenzhen Woer Heat-shrinkable Material Co.,Ltd.

Patentee before: SHENZHEN WOER SPECIAL CABLE Co.,Ltd.

Patentee before: CHANGZHOU WOER HEAT-SHRINKABLE MATERIAL Co.,Ltd.

Patentee before: LTK ELECTRIC WIRE (HUIZHOU) Ltd.

Patentee before: HUIZHOU LTK ELECTRONIC CABLE Co.,Ltd.

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20231201

Address after: 518000 workshop 601 of wal nuclear material industrial plant (phase III), No. 53 Qingsong West Road, Zhukeng community, Longtian street, Pingshan District, Shenzhen, Guangdong Province

Patentee after: SHENZHEN WOER NEW ENERGY ELECTRICAL TECHNOLOGY Co.,Ltd.

Address before: 518000 6th floor, phase III factory building, WUR Industrial Park, Lanjing North Road, Pingshan District, Shenzhen City, Guangdong Province

Patentee before: SHENZHEN WOER NEW ENERGY ELECTRICAL TECHNOLOGY Co.,Ltd.

Patentee before: Shenzhen Woer Heat-shrinkable Material Co.,Ltd.

Patentee before: CHANGZHOU WOER HEAT-SHRINKABLE MATERIAL Co.,Ltd.