CN207572574U - Electric connector contact pin - Google Patents
Electric connector contact pin Download PDFInfo
- Publication number
- CN207572574U CN207572574U CN201721500239.0U CN201721500239U CN207572574U CN 207572574 U CN207572574 U CN 207572574U CN 201721500239 U CN201721500239 U CN 201721500239U CN 207572574 U CN207572574 U CN 207572574U
- Authority
- CN
- China
- Prior art keywords
- contact pin
- sleeve
- electric connector
- connector contact
- interface
- 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.)
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Links
- 239000007788 liquid Substances 0.000 claims description 35
- 239000011248 coating agent Substances 0.000 claims description 6
- 238000000576 coating method Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 claims description 6
- 238000001816 cooling Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000004020 conductor Substances 0.000 claims description 3
- 238000002788 crimping Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims 1
- 238000005299 abrasion Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000001737 promoting effect Effects 0.000 abstract description 3
- 239000002826 coolant Substances 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 206010014357 Electric shock Diseases 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 238000011144 upstream manufacturing Methods 0.000 description 1
Landscapes
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The utility model discloses a kind of electric connector contact pin, including main body, the inserting section including jack can be stretched into；And sleeve, the inserting section is detachably socketed on, the sleeve is electrically connected with the main body, and the outside wall surface of the sleeve is the electric interface coordinated with the jack.The utility model electric connector contact pin, in the electric interface abrasion of sleeve, can only replace sleeve, simple operation, maintenance cost is low, suitable for promoting and applying on a large scale by the way that the jack of sleeve and female terminal is set to coordinate.
Description
Technical field
The utility model is related to technical field of electric connectors, more particularly to a kind of electric connector contact pin.
Background technology
In charging connector for electric automobile, contact pin is one of the higher component that generates heat, and is especially sent out in high-power charging
Heat problem is even more serious.Heating problem not only shortens the service life of charge connector, has an effect on electric vehicle and charging is set
Standby use or even the personal safety for threatening charging personnel.Contact pin is caused table by the effects that frictional force, compression when in use
Face coating loss, causes contact impedance to become larger, so as to increase calorific value, if not replacing abrasion and the oxygen that will accelerate contact pin in time
Change, form vicious circle.It generally requires to replace entire contact pin after its coating abrasion of existing contact pin, causes replacement cost higher.
Utility model content
The main purpose of the utility model is to propose a kind of electric connector contact pin, it is intended to which replacement cost is high upon wear for contact pin
The technical issues of.
To achieve the above object, the utility model proposes electric connector contact pin, including：
Main body, the inserting section including jack can be stretched into；And
Sleeve is detachably socketed on the inserting section, and the sleeve is electrically connected with the main body, the outside wall surface of the sleeve
For the electric interface coordinated with the jack.
Preferably, the inserting section is formed with external screw thread, the internal face of the sleeve be equipped with in external screw thread cooperation
Screw thread.
Preferably, the sleeve includes cylindrical body and the conductive coating for being formed in the body outer wall face.
Preferably, electric connector contact pin further includes anti-tactile cap, and the anti-tactile cap is removably mounted to the end of the inserting section
It holds and is abutted with the sleeve.
Preferably, the end face of the inserting section end offers mounting hole, and the anti-tactile cap thread is rotatably connected in the installation
Hole, the anti-rotation direction for touching cap spiral are oppositely oriented with the telescopic screw.
Preferably, the peripheral surface that the anti-tactile cap exposes to described mounting hole one end forms guide surface, and the sleeve is neighbouring
One end of the anti-tactile cap is formed with the chamfering seamlessly transitted with the guide surface.
Preferably, the body interior is formed with liquid cold passage.
Preferably, the main body includes shell and inner core, wherein, the shell is set in one end open tubular, described to insert
It connects section and is formed in the shell；The inner core includes the diversion column embedded at the shell inner cavity, and the diversion column is hollow
Tubulose and inner end in opening set；
The liquid cold passage includes being formed in the first flow of the diversion column and positioned at the inner core and the shell
Between second flow channel；The inner core offers the first liquid flow hole connected with the first flow, the shell offer with
Second liquid flow hole of the second flow channel connection.
Preferably, the inner core further includes pressure contact portion, the connecting portion between the pressure contact portion and diversion column and first
Interface, for the first interface between pressure contact portion and the connecting portion, first liquid flow hole is opened in the first interface,
The pressure contact portion is to the conductor crimping with cable；
The shell further includes second interface and mounting portion, and the installation position is in the second interface and the inserting section
Between, for the second interface to be connect with liquid cooling pipe, second liquid flow hole is opened in the mounting portion.
Preferably, second liquid flow hole is opened in the side of the mounting portion, and the opposite side of the mounting portion offers
To install the mounting groove of temperature detecting element.
The utility model electric connector contact pin is by setting the jack of sleeve and female terminal to coordinate, in the electric interface of sleeve
During abrasion, sleeve can be only replaced, simple operation, maintenance cost is low, suitable for promoting and applying on a large scale.
Description of the drawings
It in order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, other attached drawings can also be obtained according to the structure shown in these attached drawings.
Fig. 1 is the structure diagram of one embodiment of the utility model electric connector contact pin；
Fig. 2 is the structure diagram of another angle of electric connector contact pin in Fig. 1；
Fig. 3 is the decomposition texture schematic diagram of electric connector contact pin in Fig. 1；
Fig. 4 is the schematic elevation view of electric connector contact pin in Fig. 1；
Fig. 5 is cross-sectional view of the electric connector contact pin along V-V lines in Fig. 4；
Fig. 6 is the partial enlarged view at A in Fig. 5；
Fig. 7 is the partial enlarged view at B in Fig. 5.
Drawing reference numeral explanation：
| Label | Title | Label | Title | Label | Title |
| 1 | Main body | 113a | Second liquid flow hole | 124a | First liquid flow hole |
| 10 | Liquid cold passage | 113b | Mounting groove | 2 | Sleeve |
| 11 | Shell | 12 | Inner core | 21 | Electric interface |
| 111 | Inserting section | 121 | Diversion column | 22 | Chamfering |
| 111a | Mounting hole | 121a | First flow | 3 | Anti- tactile cap |
| 111b | Second flow channel | 122 | Pressure contact portion | 31 | Guide surface |
| 112 | Second interface | 123 | Connecting portion | ||
| 113 | Mounting portion | 124 | First interface |
The embodiments will be further described with reference to the accompanying drawings for the realization, functional characteristics and advantage of the utility model aim.
Specific embodiment
The following is a combination of the drawings in the embodiments of the present utility model, and the technical scheme in the embodiment of the utility model is carried out
It clearly and completely describes, it is clear that described embodiment is only the part of the embodiment rather than whole of the utility model
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not making creative work premise
Lower all other embodiments obtained, shall fall within the protection scope of the present invention.
If it is to be appreciated that related in the utility model embodiment directionality instruction (such as upper and lower, left and right, it is preceding,
Afterwards ...), then directionality instruction be only used for explain it is opposite between each component under a certain particular pose (as shown in drawings)
Position relationship, motion conditions etc., if the particular pose changes, directionality instruction also correspondingly changes correspondingly.
It if, should " first ", " the in addition, relate to the description of " first ", " second " etc. in the utility model embodiment
Two " etc. description is only used for description purpose, and it is not intended that instruction or implying its relative importance or implicit indicating meaning
The quantity of the technical characteristic shown." first " is defined as a result, the feature of " second " can express or implicitly include at least one
A this feature.In addition, the technical solution between each embodiment can be combined with each other, but must be with ordinary skill
Personnel can be implemented as basis, and this technical side is will be understood that when the combination appearance of technical solution is conflicting or can not realize
The combination of case is not present, also not within the protection domain of the requires of the utility model.
The utility model proposes a kind of electric connector contact pins.
In the utility model embodiment, as shown in Figure 1 to Figure 3, which includes：
Main body 1, the inserting section 111 including jack can be stretched into；And
Sleeve 2 is detachably socketed on the inserting section 111, and the sleeve 2 is electrically connected with the main body 1, the sleeve 2
Outside wall surface be the electric interface 21 coordinated with the jack.
In the present embodiment, sets of holes may be used various ways and are detachably connected, such as be clamped with main body 1, be threadedly coupled
Deng.Preferably, the inserting section 111 is formed with external screw thread, and the internal face of the sleeve 2 is equipped with and spiral shell in external screw thread cooperation
Line.
In order to realize preferably electrical contact or electrical connection, sleeve 2 can be integrally excellent and not perishable using electric conductivity
Material be made, corresponding conductive coating can also be formed in mating surface.Preferably, the sleeve 2 includes cylindrical body and shape
The conductive coating in body outer wall face described in Cheng Yu.
The utility model electric connector contact pin is by setting sleeve 2 and the jack of female terminal to coordinate, in the electrical contact of sleeve 2
When face 21 is worn, sleeve 2 can be only replaced, simple operation, maintenance cost is low, suitable for promoting and applying on a large scale.
Further, electric connector contact pin further includes anti-tactile cap 3, and the anti-tactile cap 3 is removably mounted to the inserting section
111 end is simultaneously abutted with the sleeve 2.
In the present embodiment, by set anti-tactile cap 3 can prevent other than the electric interface 21 of sleeve 2 with other objects,
Human or animal is in electrical contact, that is, generates Danger Electric shock risk.It is understood that anti-tactile cap 3 is made of isolation material.In addition,
Anti- tactile cap 3 is abutted with sleeve 2 can prevent sleeve 2 from loosening.
Further, please with reference to Fig. 4 to Fig. 7, the end face of 111 end of inserting section offers mounting hole 111a,
Anti- tactile 3 screw thread of cap is rotatably connected in the mounting hole 111a, the rotation of the rotation direction and 2 spiral of sleeve of 3 spiral of the anti-tactile cap
To opposite.
In the present embodiment, more secured connection can be formed by preventing that tactile cap 3 is embedded in mounting hole 111a, by setting spiral shell
Line can further enhance the firmness of this connection, it is to be understood that anti-tactile cap 3 can also be by way of clamping
It is embedded in mounting hole 111a.More preferably, by that will prevent that the rotation direction for touching 3 screw thread of cap is set with the rotation direction of 2 screw thread of sleeve in opposite
Structure in this way, after the two installation, can form interlocking structure, even if sleeve 2 has frequent grafting that will not occur from slotting
Connect the situation that section 111 comes off.
Further, the peripheral surface that the anti-tactile cap 3 exposes to described mounting hole 111a one end forms guide surface 31, described
Sleeve 2 is formed with the chamfering 22 seamlessly transitted with the guide surface 31 adjacent to one end of the anti-tactile cap 3.
In the present embodiment, in the jack of anti-tactile cap 3 and female terminal not in, but guide surface 31 can be supported with jack edge
When connecing, guide surface 31 can form anti-tactile cap 3 and be oriented to, and the chamfering 22 seamlessly transitted with guide surface 31 is set in sleeve 2
Under structure, further sleeve 2 is imported in the jack of female terminal, so that corresponding operation is easier.
Further, it is formed with liquid cold passage 10 inside the main body 1.In the present embodiment, by setting liquid cold passage
10 can cause electric connector contact pin to become passive heat dissipation as active heat removal, be taken away in time by the coolant in liquid cold passage 10
Heat on electric connector contact pin.In addition, even if certain abrasion occurs for sleeve 2, can also be prolonged by way of liquid-cooling heat radiation
The period that long sleeve 2 is replaced.
Further, the main body 1 includes shell 11 and inner core 12, wherein, the shell 11 is set in one end open tubular
It puts, the inserting section 111 is formed in the shell 11；The inner core 12 includes the diversion column embedded at 11 inner cavity of shell
121, the diversion column 121 for hollow tubulose and inner end set in opening；
The liquid cold passage 10 includes being formed in the first flow 121a of the diversion column 121 and positioned at the inner core
Second flow channel 111b between 12 and the shell 11；The inner core 12 offers first connected with the first flow 121a
Liquid flow hole 124a, the shell 11 offer the second liquid flow hole 113a connected with the second flow channel 111b.
In the present embodiment, it is matched by using shell 11 and inner core 12 and to form corresponding liquid cold passage 10 and be easier to make
It makes, and the interlocking of the two can be realized by way of screw thread or interference fit.Coolant can be it is two-way, according to wherein
A kind of flow path, coolant can enter first flow 121a through the first liquid flow hole 124a, since first flow 121a is in diversion column
Enter second flow channel 111b through the opening to 121 end of diversion column under 121 guiding, ensure coolant in electric connector contact pin
The heat of contact pin generation is farthest taken away in fully flowing, is most flowed out afterwards through the second liquid flow hole 113a.
Further, the inner core 12 further includes pressure contact portion 122, between the pressure contact portion 122 and diversion column 121
Connecting portion 123 and first interface 124, the first interface 124 is between pressure contact portion 122 and the connecting portion 123, and described
One liquid flow hole 124a is opened in the first interface 124, and the pressure contact portion 122 is to the conductor crimping with cable；
The shell 11 further includes second interface 112 and mounting portion 113, and the mounting portion 113 is located at the second interface
Between 112 and the inserting section 111, to be connect with liquid cooling pipe, the second liquid flow hole 113a is opened up the second interface 112
In the mounting portion 113.
In the present embodiment, specifically, the second liquid flow hole 113a and close to the of being staggered of connecting portion 123 and mounting portion 113
The position interference fit or thread fitting of two interfaces 112, are sealed with being formed at mating surface, prevent second flow channel 111b from generating
Leakage.It is further tightly connected with the liquid cooling pipe of downstream or upstream for convenience, the peripheral surface of mounting portion 113 is equipped with external screw thread.
Further, the second liquid flow hole 113a is opened in the side of the mounting portion 113, the mounting portion 113
Opposite side offers to install the mounting groove 113b of temperature detecting element.
In the present embodiment, thermistor etc. can be installed in mounting groove 113b can be detecting the element of temperature.It is logical
The variation of the electric signal of excess temperature detecting element impression, can correspondingly provide feedback signal, controller can adjust cold accordingly
But the flow velocity of liquid or control warning device send out corresponding warning message.
The above is only the preferred embodiment of the present invention, and it does not limit the scope of the patent of the present invention,
It is every under the inventive concept of the utility model, equivalent structure made based on the specification and figures of the utility model becomes
It changes or directly/is used in other related technical areas indirectly and is included in the scope of patent protection of the utility model.
Claims (10)
1. a kind of electric connector contact pin, which is characterized in that including：
Main body, the inserting section including jack can be stretched into；And
Sleeve is detachably socketed on the inserting section, and the sleeve is electrically connected with the main body, the outside wall surface of the sleeve be with
The electric interface of the jack cooperation.
2. electric connector contact pin as described in claim 1, which is characterized in that the inserting section is formed with external screw thread, the set
The internal face of cylinder is equipped with coordinates internal thread with the external screw thread.
3. electric connector contact pin as claimed in claim 1 or 2, which is characterized in that the sleeve includes cylindrical body and formation
Conductive coating in the body outer wall face.
4. electric connector contact pin as claimed in claim 1 or 2, which is characterized in that further include anti-tactile cap, the anti-tactile cap is removable
It unloads the end for being installed on the inserting section and is abutted with the sleeve.
5. electric connector contact pin as claimed in claim 4, which is characterized in that the end face of the inserting section end offers installation
Hole, the anti-tactile cap thread are rotatably connected in the mounting hole, the rotation direction and the rotation direction phase of the telescopic screw of the anti-tactile cap spiral
Instead.
6. electric connector contact pin as claimed in claim 5, which is characterized in that the anti-tactile cap exposes to described mounting hole one end
Peripheral surface form guide surface, the sleeve is formed with to fall with what the guide surface seamlessly transitted adjacent to one end of the anti-tactile cap
Angle.
7. electric connector contact pin as claimed in claim 1 or 2, which is characterized in that the body interior is formed with liquid cold passage.
8. electric connector contact pin as claimed in claim 7, which is characterized in that the main body includes shell and inner core, wherein, institute
It states shell to set in one end open tubular, the inserting section is formed in the shell；The inner core is included embedded at the shell
The diversion column of inner cavity, the diversion column for hollow tubulose and inner end set in opening；
The liquid cold passage includes being formed in the first flow of the diversion column and between the inner core and the shell
Second flow channel；The inner core offers the first liquid flow hole connected with the first flow, the shell offer with it is described
Second liquid flow hole of second flow channel connection.
9. electric connector contact pin as claimed in claim 8, which is characterized in that the inner core further includes pressure contact portion, positioned at described
Connecting portion and first interface between pressure contact portion and diversion column, the first interface between pressure contact portion and the connecting portion,
First liquid flow hole is opened in the first interface, and the pressure contact portion is to the conductor crimping with cable；
The shell further includes second interface and mounting portion, the installation position in the second interface and the inserting section it
Between, for the second interface to be connect with liquid cooling pipe, second liquid flow hole is opened in the mounting portion.
10. electric connector contact pin as claimed in claim 9, which is characterized in that second liquid flow hole is opened in the installation
The side in portion, the opposite side of the mounting portion offer to install the mounting groove of temperature detecting element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721500239.0U CN207572574U (en) | 2017-11-10 | 2017-11-10 | Electric connector contact pin |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721500239.0U CN207572574U (en) | 2017-11-10 | 2017-11-10 | Electric connector contact pin |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207572574U true CN207572574U (en) | 2018-07-03 |
Family
ID=62693189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721500239.0U Active CN207572574U (en) | 2017-11-10 | 2017-11-10 | Electric connector contact pin |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207572574U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108668512A (en) * | 2018-07-06 | 2018-10-16 | 中国电子科技集团公司第十四研究所 | A kind of novel contact pin type liquid cooling connector |
| WO2021048380A1 (en) * | 2019-09-13 | 2021-03-18 | Te Connectivity Germany Gmbh | Contact pin with a cooling channel system and electrical plug with such a contact pin |
| CN112838401A (en) * | 2021-01-04 | 2021-05-25 | 陈仁德 | Charging terminal assembly |
| CN113036494A (en) * | 2021-03-07 | 2021-06-25 | 广东电网有限责任公司广州供电局 | High-current overcurrent plug-pull electric connector |
-
2017
- 2017-11-10 CN CN201721500239.0U patent/CN207572574U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108668512A (en) * | 2018-07-06 | 2018-10-16 | 中国电子科技集团公司第十四研究所 | A kind of novel contact pin type liquid cooling connector |
| WO2021048380A1 (en) * | 2019-09-13 | 2021-03-18 | Te Connectivity Germany Gmbh | Contact pin with a cooling channel system and electrical plug with such a contact pin |
| CN112838401A (en) * | 2021-01-04 | 2021-05-25 | 陈仁德 | Charging terminal assembly |
| CN113036494A (en) * | 2021-03-07 | 2021-06-25 | 广东电网有限责任公司广州供电局 | High-current overcurrent plug-pull electric connector |
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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: 20210615 Address after: 518118 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: 518000 6th floor, phase III factory building, Wall Industrial Park, Lanjing North Road, Pingshan street, Pingshan New 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: 20231121 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: 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: CHANGZHOU WOER HEAT-SHRINKABLE MATERIAL Co.,Ltd. |