CN110752463A - Utmost point post, electric connector, electric connecting device and electric automobile - Google Patents
Utmost point post, electric connector, electric connecting device and electric automobile Download PDFInfo
- Publication number
- CN110752463A CN110752463A CN201810814125.6A CN201810814125A CN110752463A CN 110752463 A CN110752463 A CN 110752463A CN 201810814125 A CN201810814125 A CN 201810814125A CN 110752463 A CN110752463 A CN 110752463A
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- 239000004020 conductor Substances 0.000 claims description 3
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 8
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 230000005611 electricity Effects 0.000 description 9
- 230000002349 favourable effect Effects 0.000 description 9
- 230000000694 effects Effects 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000004140 cleaning Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/02—Contact members
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- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
- H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
- H01R13/46—Bases; Cases
- H01R13/502—Bases; Cases composed of different pieces
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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
- 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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connector Housings Or Holding Contact Members (AREA)
Abstract
The invention provides a pole, an electric connector, an electric connecting device and an electric automobile. The pole is used for an electric connector and is provided with an electric contact end, and the tail end surface of the electric contact end is provided with an arc-shaped part protruding outwards. The electric connector comprises a pole mounting seat, a pole, a guide groove and an elastic piece, wherein the pole mounting seat is provided with a mounting hole, the pole is arranged in the mounting hole in a penetrating manner, the guide groove is arranged on the side wall of the mounting hole, and the elastic piece is positioned in the mounting hole. The electric connecting device comprises the electric connector and a battery end electric connector. The electric vehicle includes a battery housing having the electrical connector as described above. The tail end face of the electric contact end of the pole is provided with the arc-shaped part, when vibration occurs in the running process of the electric automobile, the pole can still be reliably contacted with the tail end face of the other pole, the tail end faces of the two poles are not easy to instantaneously separate, and the electric connection reliability is improved.
Description
Technical Field
The invention relates to a pole, an electric connector, an electric connecting device and an electric automobile.
Background
The electric connector comprises a vehicle end electric connector and a battery end electric connector, the vehicle end electric connector is mounted on a quick-change support connected with a vehicle or directly mounted on the electric automobile, and the battery end electric connector is mounted on a quick-change battery pack. And the electric contact ends (the low-voltage pole comprises a wiring end and the electric contact end) of the low-voltage pole of the battery end electric connector are respectively and correspondingly electrically connected with the electric contact ends of the low-voltage pole of the vehicle body end electric connector one by one. In prior art, the low voltage utmost point post of battery end electric connector all has certain degree of freedom in X, Y, Z three directions for the low voltage utmost point post of automobile body end electric connector, and electric automobile can produce certain vibration at the in-process of operation to the low voltage utmost point post that makes battery end electric connector can produce the displacement for automobile body end electric connector, then produces the friction, and the terminal surface that leads to the electric contact end of the low voltage utmost point post of battery end electric connector is impaired, influences the stability of electricity connection. In addition, because the end faces of the electrical contact ends of the two low-voltage poles are both in a planar structure, the two contact faces are easily separated instantaneously under the influence of the vibration, and the reliability of the electrical connection is also influenced.
In summary, the low-voltage pole of the battery-end electrical connector in the prior art has the defect of low stability when being electrically connected with the low-voltage pole of the vehicle-body-end electrical connector.
Disclosure of Invention
The invention aims to overcome the defect that the stability is low when a low-voltage pole of a battery-end electric connector and a low-voltage pole of a vehicle-body-end electric connector are electrically connected in the prior art, and provides a pole, an electric connector, an electric connecting device and an electric vehicle.
The invention solves the technical problems through the following technical scheme:
a pole for an electrical connector, said pole having an electrical contact end, characterized in that the end face of said electrical contact end has an outwardly convex arc-shaped portion.
In this scheme, the terminal surface of the electric contact end of utmost point post has the arc portion, when this utmost point post is connected with the terminal surface electricity of the utmost point post of another electric connector, no matter another electric connector's terminal surface is arcwall face or plane, when the vibration appears in the in-process that electric automobile traveles, the terminal surface of two utmost point posts still can contact comparatively reliably, and the terminal surface of two utmost point posts is difficult for taking place instantaneous separation, is favorable to improving the reliability of electricity connection.
Preferably, the arc radius of the arc-shaped part is 8-10 mm.
In the scheme, if the radius of the arc is too large, the difference between the arc part and the plane is not large, and the two pole columns are still separated instantaneously in the vibration process, so that the reliability of electric connection is low; if the radius of the arc is too small, the contact area between the arc portion and the distal end surface of the other terminal is too small, and the reliability of the electrical connection is also likely to be lowered.
Preferably, the arc portion is symmetrical about a central axis of the pole.
In this scheme, adopt above-mentioned structural arrangement, be favorable to further improving the reliability of being connected between this utmost point post and another utmost point post.
Preferably, the pole comprises a pole body, one end of the pole body is the electric contact end, and the other end of the pole body is a wiring end;
the pole also comprises a guide pin, and the guide pin is arranged on the outer wall surface of the pole body and extends outwards along the radial direction of the pole body;
preferably, the guide leg is located at a terminal end face of the terminal;
preferably, the guide pin and the pole body are integrally formed.
In this scheme, the existence of guide pin for this utmost point post can be rotatory according to the direction of injecing with the guide way that the guide pin corresponds the setting under the effect of elastic force, makes this utmost point post can realize the effect of self-cleaning terminal contact surface, is favorable to further improving the reliability of being connected electrically between this utmost point post and another utmost point post.
Preferably, the pole further comprises a wire pressing body, and the wire pressing body is connected to the wiring terminal and is positioned on one side of the guide pin, which is far away from the pole body;
the wire pressing body is provided with a wire pressing body head and a wire pressing body tail which are connected, one end, far away from the wire pressing body tail, of the wire pressing body head is connected with the wiring terminal, the diameter of one end, far away from the wire pressing body head, of the wire pressing body tail is smaller than that of one end, far away from the wire pressing body head, of the wire pressing body tail, and the diameter of one end, far away from the wire pressing body tail, of the wire pressing body head is equal to that of one end, far away from the wire pressing body tail, of the wire pressing body head;
the terminal post body is provided with a terminal post body, wherein the terminal post body is provided with a terminal post body, and the terminal post body is provided with a terminal post body.
In this scheme, the head of the line ball body is the cylinder structure, and the afterbody of the line ball body is loudspeaker column structure, both is convenient for accomodate the cable, can protect the cable comparatively reliably again, is favorable to further improving the reliability of being connected between this utmost point post and another utmost point post.
Preferably, the middle part of utmost point post body has spacing boss, spacing boss certainly the outer wall of utmost point post body extends outwards.
The invention also provides an electric connector, which comprises a pole mounting seat, wherein the pole mounting seat is provided with a mounting hole, and the electric connector is characterized by also comprising:
the pole is arranged in the mounting hole in a penetrating manner;
the guide groove is arranged on the side wall of the mounting hole;
the elastic piece is positioned in the mounting hole;
the pole comprises a pole body, one end of the pole body is the electric contact end, the other end of the pole body is the wiring end, and the pole further comprises a guide pin which is arranged on the outer wall surface of the pole body and extends outwards along the radial direction of the pole body;
when the guide foot moves into the guide groove, the guide foot is arranged in the guide groove in a sliding manner, and the guide foot is matched with the guide groove to limit the rotation direction of the pole;
the elastic piece is sleeved outside the pole body and used for driving the pole to move along the rotation direction of the guide groove.
In this scheme, the terminal surface of the electric contact end of utmost point post has the arc portion, when this utmost point post is connected with the terminal surface electricity of the utmost point post of another electric connector, no matter another electric connector's terminal surface is arcwall face or plane, when the vibration appears in the in-process that electric automobile traveles, the terminal surface of two utmost point posts still can contact comparatively reliably, and the terminal surface of two utmost point posts is difficult for taking place instantaneous separation, is favorable to improving the reliability of electricity connection. In addition, the rotation direction of the pole can be limited through the cooperation of the guide pins and the guide grooves, and the elastic piece drives the pole to move along the rotation direction of the guide grooves, so that the end face of the clean pole is reached, the reliability of the electric connection between the pole and the other pole is improved, and the reliability of the electric connection of the electric connector containing the pole is improved.
Preferably, the pole is a low-voltage pole, the electric connector further comprises a high-voltage pole, the high-voltage pole is provided with a wiring end and an electric contact end, the wiring end of the high-voltage pole is in floating electric connection with the high-voltage plug through a flexible conductive piece, and the electric contact end of the high-voltage pole is in floating electric connection with the battery end electric connector;
wherein the flexible conductive piece is made of a flexible conductive material.
In this scheme, flexible conductive piece can elongate, compression and radially twist reverse, adaptable in the relative displacement change of each angle such as axial between the structural connection, radial, avoid leading to the electrical connection performance variation because of relative displacement's change to, be favorable to improving the reliability of being connected between high-voltage utmost point post and the high-voltage plug electricity. Similarly, the reliability of the electrical connection between the electrical contact end of the high-voltage pole and the battery end electrical connector is also high.
The invention also provides an electric connecting device which is characterized by comprising a battery end electric connector and the electric connector.
The invention also provides an electric automobile which comprises the battery accommodating part and is characterized in that the battery accommodating part is provided with the electric connector.
On the basis of the common knowledge in the field, the above preferred conditions can be combined randomly to obtain the preferred embodiments of the invention.
The positive progress effects of the invention are as follows:
in this utmost point post, the terminal surface of the electric contact end of utmost point post has the arc portion, and when this utmost point post was connected with the terminal surface electricity of another electric connector's utmost point post, no matter another electric connector's terminal surface is arcwall face or plane, when the in-process that electric automobile went appeared vibrating, the terminal surface of two utmost point posts still can contact comparatively reliably, and the difficult instantaneous separation that takes place of terminal surface of two utmost point posts is favorable to improving the reliability of electricity connection.
Drawings
Fig. 1 is a schematic structural diagram of a pole according to a preferred embodiment of the invention.
Fig. 2 is a schematic overall structure diagram of an electrical connector according to a preferred embodiment of the invention.
Fig. 3 is an exploded view of an electrical connector according to a preferred embodiment of the invention.
Fig. 4 is a schematic sectional view along a-a in fig. 2.
Fig. 5 is a schematic sectional structure view taken along B-B in fig. 2.
Fig. 6 is a schematic structural diagram of an electrical connection device according to a preferred embodiment of the present invention.
Fig. 7 is a partial structural schematic view of an electrical connection device according to a preferred embodiment of the present invention.
Fig. 8 is a schematic structural diagram of the electrical connection device according to a preferred embodiment of the present invention, in which the low-voltage terminal post of the battery-end electrical connector is in contact with the low-voltage terminal post of the vehicle-body-end electrical connector.
Description of reference numerals:
1 vehicle body end electric connector
10 pole
101 arc part
102 pole body
103 guide foot
104 line pressing body
1041 head of line pressing body
1042 tail of the pressing line body
1043 Cable trough
105 spacing boss
20 pole mounting base
201 mounting hole
2011 mainboard mounting hole
2012 cover plate mounting hole
2013 limiting groove
202 guide groove
203 mainboard
2031 casing
2032 middle block
204 cover plate
30 elastic member
40 high-voltage pole
401 groove
2 Battery end electrical connector
3 high-voltage plug
4 Flexible conductive member
41 first joint
42 second joint
43 chamber
5 insulating sleeve
51 accommodating cavity
Detailed Description
The present invention will be more clearly and completely described below by way of examples and with reference to the accompanying drawings, but the present invention is not limited thereto.
This embodiment discloses a pole for an electrical connector, as will be understood with reference to fig. 1 and 8, the pole 10 has an electrical contact end, the end face of which has an outwardly convex arcuate portion 101.
In this embodiment, the end surface of the electrical contact end of the pole 10 has the arc-shaped portion 101, and when the pole 10 is electrically connected to the end surface of the pole of another electrical connector, no matter whether the end surface of the other electrical connector is an arc-shaped surface or a plane, when vibration occurs during the driving of the electric vehicle, the end surfaces of the two poles can still be reliably contacted, and the end surfaces of the two poles are not easily separated instantaneously, which is beneficial to improving the reliability of electrical connection.
Further, in the present embodiment, the arc radius of the arc portion 101 is 9 mm. In addition, the arc-shaped portion 101 is symmetrical with respect to the central axis of the pole post 10. In other alternative embodiments, the arc radius of the arc-shaped part 101 may be set to any other value of 8-10 mm.
If the radius of the arc is too large, the difference between the arc part 101 and the plane is not large, and the two pole columns are still separated instantaneously in the vibration process, so that the reliability of the electrical connection is low; if the radius of the arc is too small, the contact area between the arc portion 101 and the distal end surface of the other pole is too small, and the reliability of electrical connection is likely to be lowered.
Further, as will be understood with reference to fig. 1, the pole 10 includes a pole body 102, one end of the pole body 102 being an electrical contact end and the other end being a terminal end. The pole 10 further includes a guide pin 103, and the guide pin 103 is disposed on the outer wall surface of the pole body 102 and extends outward along the radial direction of the pole body 102. As can be seen from the figure, in the present embodiment, the number of the guide legs 103 is three, and the three guide legs 103 are provided at regular intervals along the circumferential direction of the pole body 102. In this way, by setting the number and positions of the guide legs 103, the movement of the pole 10 during the rotation process can be stabilized. In other embodiments, the number of the guide legs 103 may also be two, four, or other values, and the guide legs 103 are uniformly spaced along the circumference of the pole body 102. In the present embodiment, the guide leg 103 is located on the terminal end surface of the terminal, and the guide leg 103 is integrally formed with the post body 102.
Wherein, the existence of guide pin 103 for this utmost point post 10 can be rotatory according to the direction that the guide way 202 that corresponds the setting with guide pin 103 is injectd under the effect of elastic force, makes this utmost point post 10 can realize the effect of self-cleaning terminal contact surface, is favorable to further improving the reliability of being connected electrically between this utmost point post 10 and another utmost point post.
Furthermore, the pole 10 further has a wire pressing body 104, and the wire pressing body 104 is connected to the terminal and is located on one side of the guide foot 103 away from the pole body 102;
the wire pressing body 104 is provided with a wire pressing body head 1041 and a wire pressing body tail 1042 which are connected, one end of the wire pressing body head 1041, which is far away from the wire pressing body tail 1042, is connected with a wiring terminal, the diameter of one end, which is connected with the wire pressing body head 1041, in the wire pressing body tail 1042 is smaller than that of one end, which is far away from the wire pressing body head 1041, in the wire pressing body tail 1042, and the diameter of one end, which is connected with the wire pressing body tail 1042, in the wire pressing body head 1041 is equal to that of one end, which is far away. The wire pressing body 104 is provided with a cable slot 1043, the cable slot 1043 extends from the tail 1042 of the wire pressing body to the head 1041 of the wire pressing body, and the cable slot 1043 is communicated with the inside of the pole body 102.
The head of the wire pressing body 104 is of a cylindrical structure, and the tail of the wire pressing body 104 is of a horn-shaped structure, so that the cable is convenient to store, and can be reliably protected, and the reliability of electric connection between the pole 10 and another pole is further improved.
In addition, as will be understood with reference to fig. 1, the central portion of the post body 102 has a limit boss 105, the limit boss 105 extending outwardly from the outer wall surface of the post body 102.
This embodiment also discloses an electrical connector, as will be understood with reference to fig. 2-5, in this embodiment, the electrical connector is a vehicle-body-end electrical connector, the electrical connector includes the pole mounting base 20, the pole mounting base 20 is provided with the mounting hole 201, the electrical connector further includes the pole 10, the guide groove 202 and the elastic member 30 as described above, the pole 10 is inserted into the mounting hole 201, the guide groove 202 is provided on the side wall of the mounting hole 201, and the elastic member 30 is located in the mounting hole 201. Wherein, utmost point post 10 includes utmost point post body 102, and the one end of utmost point post body 102 is electric contact tip, the other end is the wiring end, and utmost point post 10 still includes guide pin 103, and guide pin 103 locates utmost point post body 102's outer wall to outwards extend along utmost point post body 102's radial direction. When the guide foot 103 moves into the guide groove 202, the guide foot 103 is slidably disposed in the guide groove 202, and the guide foot 103 and the guide groove 202 cooperate to define the rotation direction of the pole 10. The elastic member 30 is sleeved outside the pole body 102 and located between the limiting boss 105 and the guide foot 103, and the elastic member 30 is used for driving the pole 10 to move along the rotation direction of the guide groove 202.
In this embodiment, the end surface of the electrical contact end of the pole 10 has the arc-shaped portion 101, and when the pole 10 is electrically connected to the end surface of the pole of another electrical connector, no matter whether the end surface of the other electrical connector is an arc-shaped surface or a plane, when vibration occurs during the driving of the electric vehicle, the end surfaces of the two poles can still be reliably contacted, and the end surfaces of the two poles are not easily separated instantaneously, which is beneficial to improving the reliability of electrical connection. In addition, the guide pin 103 is matched with the guide groove 202 to limit the rotation direction of the pole 10, and the elastic member 30 drives the pole 10 to move along the rotation direction set by the guide groove 202, so that the effect of cleaning the tail end surface of the pole 10 is achieved, the reliability of the electrical connection between the pole 10 and another pole is improved, and the reliability of the electrical connection of the electrical connector comprising the pole 10 is improved.
Further, the length direction of the guiding groove 202 forms an included angle with the central axis of the pole 10, and the included angle is 15 °. In other alternative embodiments, the included angle may take any other value between 13 ° and 17 °.
Further, as will be understood with reference to fig. 2-5, the pole mount 20 includes a main plate 203 and a cover plate 204, the cover plate 204 being removably attached to one side of the main plate 203. The main board 203 includes a housing 2031 and an intermediate block 2032, an accommodating cavity (not shown) is disposed at an end of the housing 2031 facing the cover plate 204, and the intermediate block 2032 is clamped in the accommodating cavity and is hermetically connected to the housing 2031. The mounting hole 201 includes a main board 203 mounting hole 2011 and a cover plate 204 mounting hole 2012 which are communicated with each other, the main board 203 mounting hole 2011 is arranged in the main board 203, the cover plate 204 mounting hole 2012 is arranged in the cover plate 204, the guide groove 202 is arranged on the side wall of the cover plate 204 mounting hole 2012, wherein the elastic member 30 is positioned in the main board 203 mounting hole 2011. A limiting groove 2013 (mainly shown in fig. 4) is formed in the side wall of the main board 203 mounting hole 2011, the limiting groove 2013 is located at one end, close to the cover plate 204 mounting hole 2012, of the main board 203 mounting hole 2011, one end of the limiting groove 2013 is adjacent to and communicated with the guide groove 202, and the guide pin 103 is clamped in the limiting groove 2013. Like this, through setting up spacing groove 2013, carry on spacingly to guide pin 103 under the normality, guarantee that guide pin 103 reciprocating rotary motion back, still can get back to the same fixed position, be favorable to improving utmost point post reciprocating rotary motion's at every turn accuracy nature.
Furthermore, the post 10 is a low voltage post, the electric connector further comprises a high voltage post 40, the high voltage post 40 has a terminal and an electric contact end, the terminal of the high voltage post 40 is in floating electric connection with the high voltage plug 3 through the flexible conductive member 4 in fig. 6 and 7, and the electric contact end of the high voltage post 40 is in floating electric connection with the battery end electric connector. Wherein the flexible conductive member 4 is made of a flexible conductive material.
The flexible conductive member 4 can be elongated, compressed and radially twisted, and is adaptable to the relative displacement change at each angle such as axial and radial angles between structural connections, so that the electric connection performance is prevented from being deteriorated due to the change of the relative displacement, and the reliability of the electric connection between the high-voltage pole 40 and the high-voltage plug 3 is improved. Similarly, the reliability of the electrical connection between the electrical contact end of the high-voltage pole 40 and the battery-end electrical connector is also high.
Specifically, as will be understood by referring to fig. 6 and 7, the flexible conductive member 4 has a first connector 41, a second connector 42 and a cavity 43, two ends of the cavity 43 are respectively connected to the first connector 41 and the second connector 42, the first connector 41 is electrically connected to the terminal of the high-voltage pole 40, and the second connector 42 is electrically connected to the high-voltage plug 3. Be equipped with recess 401 on the terminal surface of the electrical contact end of high voltage utmost point post 40, recess 401 along the inside recess of the axial of high voltage utmost point post 40, the recess 401 is embedded to be equipped with electrically conductive elastic component (not marked in the figure), and electrically conductive elastic component protrusion in the terminal surface of the electrical contact end of high voltage utmost point post 40, and the electrical contact end of high voltage utmost point post 40 is connected with battery end electrical connector 2 floats through electrically conductive elastic component and electricity. In this embodiment, the conductive elastic member is a conductive spring.
In addition, the present embodiment also discloses an electrical connection device, as shown in fig. 6 and 7, the electrical connection device includes a battery-side electrical connector 2, a vehicle-body-side electrical connector 1 as described above, a flexible conductive member 4, and a high-voltage plug 3. The electric connection device further comprises an insulating sleeve 5, a containing cavity 51 is formed in the insulating sleeve 5, the flexible conductive piece 4 is located in the containing cavity 51, and the insulating sleeve 5 can protect the flexible conductive piece 4, so that the electric connection reliability can be further improved.
The embodiment also discloses an electric automobile which comprises a battery accommodating part, wherein the battery accommodating part is provided with the automobile body end electric connector.
While specific embodiments of the invention have been described above, it will be appreciated by those skilled in the art that this is by way of example only, and that the scope of the invention is defined by the appended claims. Various changes and modifications to these embodiments may be made by those skilled in the art without departing from the spirit and scope of the invention, and these changes and modifications are within the scope of the invention.
Claims (10)
1. A pole for an electrical connector, said pole having an electrical contact end, characterized in that the end face of said electrical contact end has an outwardly convex arc-shaped portion.
2. The pole post according to claim 1, wherein the arc radius of the arc-shaped part is 8-10 mm.
3. The pole of claim 1, wherein the arcuate portion is symmetrical about a central axis of the pole.
4. The pole of claim 1, wherein the pole comprises a pole body, one end of the pole body is the electrical contact end, and the other end is a terminal end;
the pole also comprises a guide pin, and the guide pin is arranged on the outer wall surface of the pole body and extends outwards along the radial direction of the pole body;
preferably, the guide leg is located at a terminal end face of the terminal;
preferably, the guide pin and the pole body are integrally formed.
5. The pole of claim 4, further comprising a wire compression body connected to the terminal and located on a side of the guide leg away from the pole body;
the wire pressing body is provided with a wire pressing body head and a wire pressing body tail which are connected, one end, far away from the wire pressing body tail, of the wire pressing body head is connected with the wiring terminal, the diameter of one end, far away from the wire pressing body head, of the wire pressing body tail is smaller than that of one end, far away from the wire pressing body head, of the wire pressing body tail, and the diameter of one end, far away from the wire pressing body tail, of the wire pressing body head is equal to that of one end, far away from the wire pressing body tail, of the wire pressing body head;
the terminal post body is provided with a terminal post body, wherein the terminal post body is provided with a terminal post body, and the terminal post body is provided with a terminal post body.
6. The post according to claim 4, wherein the post body has a limiting boss in the middle portion thereof, the limiting boss extending outwardly from the outer wall surface of the post body.
7. The utility model provides an electric connector, includes utmost point post mount pad, utmost point post mount pad is equipped with the mounting hole, its characterized in that, electric connector still includes:
the pole of claim 1, said pole being disposed through said mounting hole;
the guide groove is arranged on the side wall of the mounting hole;
the elastic piece is positioned in the mounting hole;
the pole comprises a pole body, one end of the pole body is the electric contact end, the other end of the pole body is the wiring end, and the pole further comprises a guide pin which is arranged on the outer wall surface of the pole body and extends outwards along the radial direction of the pole body;
when the guide foot moves into the guide groove, the guide foot is arranged in the guide groove in a sliding manner, and the guide foot is matched with the guide groove to limit the rotation direction of the pole;
the elastic piece is sleeved outside the pole body and used for driving the pole to move along the rotation direction of the guide groove.
8. The electrical connector of claim 7, wherein the post is a low voltage post, the electrical connector further comprising a high voltage post having a terminal and an electrical contact end, the terminal of the high voltage post being in floating electrical connection with the high voltage plug through a flexible conductive member, the electrical contact end of the high voltage post being in floating electrical connection with the battery end electrical connector;
wherein the flexible conductive piece is made of a flexible conductive material.
9. An electrical connection device comprising a battery end electrical connector and an electrical connector according to claim 7 or 8.
10. An electric vehicle comprising a battery receiving portion, characterized in that the battery receiving portion has the electrical connector of claim 7 or 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810814125.6A CN110752463A (en) | 2018-07-23 | 2018-07-23 | Utmost point post, electric connector, electric connecting device and electric automobile |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810814125.6A CN110752463A (en) | 2018-07-23 | 2018-07-23 | Utmost point post, electric connector, electric connecting device and electric automobile |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110752463A true CN110752463A (en) | 2020-02-04 |
Family
ID=69275141
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810814125.6A Pending CN110752463A (en) | 2018-07-23 | 2018-07-23 | Utmost point post, electric connector, electric connecting device and electric automobile |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110752463A (en) |
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