WO2018233712A1 - 低压极柱及包含其的电连接器 - Google Patents

低压极柱及包含其的电连接器 Download PDF

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Publication number
WO2018233712A1
WO2018233712A1 PCT/CN2018/092640 CN2018092640W WO2018233712A1 WO 2018233712 A1 WO2018233712 A1 WO 2018233712A1 CN 2018092640 W CN2018092640 W CN 2018092640W WO 2018233712 A1 WO2018233712 A1 WO 2018233712A1
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WO
WIPO (PCT)
Prior art keywords
pole
guiding
crimping
electrical connector
mounting hole
Prior art date
Application number
PCT/CN2018/092640
Other languages
English (en)
French (fr)
Inventor
张建平
仇丹梁
黄春华
Original Assignee
上海电巴新能源科技有限公司
奥动新能源汽车科技有限公司
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.)
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Publication date
Application filed by 上海电巴新能源科技有限公司, 奥动新能源汽车科技有限公司 filed Critical 上海电巴新能源科技有限公司
Publication of WO2018233712A1 publication Critical patent/WO2018233712A1/zh

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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
    • 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
    • H01R13/42—Securing in a demountable manner
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R35/00—Flexible or turnable line connectors, i.e. the rotation angle being limited
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R43/00—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors
    • H01R43/002—Maintenance of line connectors, e.g. cleaning
    • 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

Definitions

  • the invention relates to a low voltage pole and an electrical connector comprising the same.
  • the electrical connector includes a vehicle end electrical connector and a battery end electrical connector.
  • the vehicle end electrical connector is mounted on the quick change bracket connected to the vehicle or directly mounted on the vehicle; the battery end electrical connector is mounted on the quick change battery pack.
  • the low-voltage poles of the battery end electrical connector are respectively electrically connected to the low-voltage poles of the vehicle body end connector.
  • the end face of the electrical contact end of the low-voltage pole is prone to generate an oxide layer during long-term contact, thereby reducing the electrical contact performance of the low-voltage pole, making the electrical contact of the low-voltage pole unstable.
  • the technical problem to be solved by the present invention is to overcome the defects in the prior art that the low-voltage pole has electrical contact instability, and to provide a low-voltage pole and an electrical connector including the same.
  • a low-voltage pole characterized in that the low-voltage pole includes a pole main body and a guiding leg, and the guiding leg is disposed on an outer wall surface of the pole main body and along a radial direction of the pole main body The direction extends outward.
  • the low-voltage poles can be rotated in the direction defined by the guiding grooves corresponding to the guiding legs under the force of the elastic members, thereby achieving the automatic cleaning terminal contact faces of the low-voltage poles.
  • the effect is to improve the stability of the electrical contact of the low voltage pole.
  • the guiding leg is integrally formed with the pole body.
  • the number of the guide legs is a plurality, and the plurality of guide legs are disposed along a circumferential interval of the pole main body.
  • the number of the guiding legs is three, and the three guiding legs are evenly spaced along the circumferential direction of the pole body.
  • the pole body comprises a connecting body and a crimping body
  • the connecting body has a diameter larger than a diameter of the crimping body
  • the guiding leg is located at the connecting body close to the pressing body The outer wall of one end.
  • the crimping body is provided with a cable slot for inserting a cable.
  • the crimping body comprises a connected crimping body head and a crimping body tail, and the end of the crimping body head away from the tail of the crimping body is connected with the connecting body, the pressing a diameter of one end of the wire body tail connected to the crimping body head is smaller than a diameter of the end portion of the crimping body body away from the head of the crimping body; the pressing line body and the pressing line
  • the diameter of one end of the body tail connection is equal to the diameter of the end of the crimp body head away from the end of the crimp body.
  • the connecting body comprises a connecting connector head and a connecting body tail portion, and a limiting platform, wherein the connecting body head has a diameter larger than a diameter of the connecting body tail portion, and the connecting body tail portion is away from the One end of the connector head is connected to the crimping body, and the limiting table is circumferentially disposed on an outer wall surface of the joint of the connecting body head and the connecting body tail.
  • the present invention also provides an electrical connector, the electrical connector comprising a pole mounting, the pole mounting is provided with a mounting hole, wherein the electrical connector further comprises:
  • the low-voltage pole is disposed in the mounting hole
  • the guiding groove is disposed on a sidewall of the mounting hole, and when the guiding leg moves into the guiding groove, the guiding leg is slidably disposed on the guiding groove, the guiding leg and the guiding leg
  • the guiding groove is configured to define a rotation direction of the low voltage pole
  • An elastic member the elastic member is located in the mounting hole, and the elastic member is sleeved outside the pole main body, and the elastic member is configured to drive the rotating direction of the low-voltage pole along the guiding slot mobile.
  • the rotation direction of the low-voltage pole is defined by the guiding leg and the guiding groove, and the low-pressure pole is moved by the elastic member to move along the rotating direction of the guiding groove, thereby achieving the effect of cleaning the terminal contact surface of the low-voltage pole.
  • the stability of the electrical contact of the low voltage pole is increased, thereby improving the stability of the electrical contact of the electrical connector comprising the low voltage pole.
  • the length direction of the guiding groove forms an angle with the central axis of the low-voltage pole.
  • the included angle is 13-17 degrees.
  • the included angle is 15 degrees.
  • the guiding leg is integrally formed with the pole body.
  • the number of the guiding legs and the guiding groove are several, a plurality of the guiding legs are arranged along the circumferential direction of the pole main body, and a plurality of the guiding grooves are spaced along the circumferential direction of the mounting hole. It is provided that a plurality of the guiding grooves are arranged in one-to-one correspondence with a plurality of the guiding legs.
  • the number of the guiding legs and the guiding groove are three, and the three guiding legs are evenly spaced along the circumferential direction of the pole main body, and the three guiding grooves are installed along the circumference.
  • the circumferential direction of the holes is evenly spaced.
  • the pole mount comprises a main board and a cover, and the cover is detachably connected to one side of the main board.
  • the mounting hole includes a main board mounting hole and a cover mounting hole, wherein the main board mounting hole is disposed in the main board, and the cover mounting hole is disposed in the cover, the guiding The slot is disposed on a sidewall of the cover mounting hole.
  • the side wall of the motherboard mounting hole is provided with a limiting slot
  • the limiting slot is located at an end of the motherboard mounting hole adjacent to the mounting hole of the cover plate, and one end of the limiting slot is opposite to the guiding
  • the slots are adjacent and connected, and the guiding legs are disposed in the limiting slots.
  • the normal guiding pin is limited to ensure that the guiding leg reciprocates and moves, and then returns to the same fixed position, thereby improving the precision of each reciprocating rotation of the low-voltage pole. Sex.
  • the cover mounting hole includes a first portion and a second portion, the first portion is located between the main board mounting hole and the second portion, and the second portion has a smaller diameter than the first portion diameter.
  • the electrical connector further includes a protective structure that is snapped and sealingly coupled to the second portion.
  • the overall protective performance of the electrical connector is improved by providing the protective structure.
  • the protective structure comprises a protective structure body head, a guard structure intermediate portion and a guard structure tail portion, which are sequentially connected, and the diameters of the protective structure body head and the protective structure body tail are larger than the Protecting the diameter of the intermediate portion of the structural body, and the intermediate portion of the protective structure is snapped and sealed to the second portion, and the end of the protective structure head and the intermediate portion of the protective structure abuts against the One side of the cover plate, an end of the protective structure tail portion connected to the intermediate portion of the shield structure body abuts against the top of the first portion.
  • the protective structure is a protective ring.
  • the protective structure is made of rubber.
  • the electrical connector further includes a cable, and one end of the cable is sequentially disposed in the protective structure, the first portion, and is inserted into a tail end of the pole body.
  • the length of the cable between the protective structure and the tail end of the pole body is greater than the distance of the shield structure from the tail end of the pole body.
  • the shape of the cable between the protective structure and the tail end of the pole body is spiral.
  • the pole body comprises a connecting body and a crimping body
  • the elastic member is sleeved outside the connecting body
  • the connecting body is located in the mounting hole of the motherboard
  • the pressing body The diameter of the connecting body is larger than the diameter of the pressing body
  • the guiding leg is located at an outer wall surface of the connecting body near the end of the pressing body, and the cable is inserted
  • the crimping body is disposed at an end of the connecting body away from the connecting body.
  • the crimping body is provided with a cable slot for inserting the cable.
  • the crimping body comprises a connected crimping body head and a crimping body tail, and the end of the crimping body head away from the tail of the crimping body is connected with the connecting body, the pressing a diameter of one end of the wire body tail connected to the crimping body head is smaller than a diameter of the end portion of the crimping body body away from the head of the crimping body; the pressing line body and the pressing line
  • the diameter of one end of the body tail connection is equal to the diameter of the end of the crimp body head away from the end of the crimp body.
  • the connecting body comprises a connecting connector head and a connecting body tail portion, and a limiting platform, wherein the connecting body head has a diameter larger than a diameter of the connecting body tail portion, and the connecting body tail portion is away from the One end of the connector head is connected to the crimping body, and the limiting table is circumferentially disposed on an outer wall surface of a joint of the connecting body head and the connecting body tail portion, and the elastic member is sleeved on the The outer end of the connecting body is outside, and one end of the elastic member abuts against a side of the limiting table facing the tail of the connecting body.
  • the main board includes a housing and an intermediate block, and an end of the housing facing the cover is provided with a receiving cavity, and the intermediate block is locked in the receiving cavity and the shell Body sealed connection.
  • the elastic member is a spring.
  • the invention defines the rotation direction of the low-voltage pole by the cooperation of the guiding foot and the guiding groove, and moves the low-voltage pole to move in the rotating direction of the guiding groove by the elastic member, thereby achieving the effect of cleaning the terminal contact surface of the low-voltage pole and improving the low-voltage pole.
  • the stability of the electrical contact of the column increases the stability of the electrical contact of the electrical connector comprising the low voltage pole.
  • FIG. 1 is a perspective structural view of a low voltage pole according to a preferred embodiment of the present invention.
  • Figure 2 is a cross-sectional view taken along line A-A of Figure 1.
  • FIG 3 is a perspective exploded view of the electrical connector of the preferred embodiment of the present invention.
  • FIG. 4 is a front elevational view of an electrical connector in accordance with a preferred embodiment of the present invention.
  • Figure 5 is a cross-sectional view taken along line B-B of Figure 4.
  • Figure 6 is a cross-sectional view taken along line C-C of Figure 4.
  • the present embodiment provides a low-voltage pole 10 that includes a pole body 11 and a guide leg 15 that is disposed on an outer wall surface of the pole body 11 and It extends outward in the radial direction of the pole main body 11.
  • the guide leg 15 is integrally formed with the pole main body 11.
  • the number of the guide legs 15 is three, and the three guide legs 15 are evenly spaced along the circumferential direction of the pole main body 11. Thus, by setting the number and position of the guide legs, the movement of the low-pressure pole during rotation is more stable. In other embodiments, the number of the guide legs 15 may also be two, four or other values, and the guide legs 15 are evenly spaced along the circumferential direction of the low voltage pole 10.
  • the pole main body 11 includes a connecting body 12 and a crimping body 13 having a diameter larger than the diameter of the crimping body 13, and the guiding leg 15 is located on an outer wall surface of the connecting body 12 near one end of the crimping body 13.
  • the crimping body 13 is provided with a cable slot 131 for inserting a cable.
  • the crimping body 13 includes a connected crimping body head 132 and a crimping body tail portion 133.
  • the end of the crimping body head portion 132 away from the crimping body tail portion 133 is connected to the connecting body 12, and the crimping body tail portion 133 is in the crimping line.
  • the diameter of one end of the body head 132 is smaller than the diameter of the end of the crimping body tail portion 133 away from the end of the crimping body head 132; the diameter of the end of the crimping body head 132 that is connected to the crimping body tail portion 133 is equal to the crimping body head.
  • the diameter of the portion 132 away from the end of the crimp body tail 133 is equal to the crimping body head.
  • the connecting body 12 includes a connecting connector head portion 121 and a connecting body tail portion 122 and a limiting base 123.
  • the diameter of the connecting body head portion 121 is larger than the diameter of the connecting body tail portion 122, and the connecting body tail portion 122 is away from the end portion of the connecting body portion 121.
  • the crimping body 13 is connected to the outer wall surface of the joint between the connecting body head 121 and the connecting body tail portion 122 in the circumferential direction.
  • the present embodiment also provides an electrical connector including the low voltage pole 10, the pole mount 20 and the elastic member 30 as described above.
  • the elastic member 30 is a spring. Please refer to Figure 1 and Figure 2 for the specific structure of the low-voltage pole 10.
  • the pole mounting seat 20 is provided with a mounting hole 21 through which the low voltage pole 10 is inserted.
  • the side wall of the mounting hole 21 is provided with a guiding groove 211.
  • the guiding leg 15 moves into the guiding groove 211, the guiding leg 15 is slidably disposed on the guiding groove 211, and the guiding leg 15 cooperates with the guiding groove 211 for defining the low-voltage pole 10 turn around.
  • the elastic member 30 is disposed outside the pole main body 11 , and the elastic member 30 is configured to drive the low-pressure pole 10 to move in the rotating direction of the guiding slot 211 .
  • the rotation direction of the low-voltage pole is defined by the guiding leg and the guiding groove, and the low-pressure pole is moved by the elastic member to move along the rotating direction of the guiding groove, thereby achieving the effect of cleaning the terminal contact surface of the low-voltage pole and improving the low-voltage pole.
  • the stability of the electrical contact of the column increases the stability of the electrical contact of the electrical connector comprising the low voltage pole.
  • the longitudinal direction of the guide groove 211 forms an angle with the central axis of the low voltage pole 10.
  • the included angle is 13-17 degrees.
  • the included angle is 15 degrees. In this way, the direction of rotation of the low-voltage pole can be defined by the angle to achieve the purpose of cleaning the terminal contact surface of the low-voltage pole.
  • the number of the guiding legs 15 and the guiding grooves 211 is three, and the three guiding legs 15 are evenly spaced along the circumferential direction of the pole main body 11, and the three guiding grooves 211 are along the circumferential direction of the mounting hole 21. Evenly spaced settings.
  • the three guiding grooves 211 are disposed in one-to-one correspondence with the three guiding legs 15. Thus, by setting the number of guide legs to three and the position of the guide legs, the movement of the low-pressure pole during rotation is more stable.
  • the number of the guiding legs 15 and the guiding grooves 211 may also be two, four or other values, and the guiding legs 15 are evenly spaced along the circumferential direction of the low-voltage pole 10.
  • the pole mount 20 includes a main plate 22 and a cover plate 23 that is detachably coupled to one side of the main plate 22.
  • the main board 22 includes a housing 221 and an intermediate block 222. One end of the housing 221 facing the cover 23 is provided with a receiving cavity (not shown), and the intermediate block 222 is locked in the receiving cavity and the housing 221 Sealed connection.
  • the mounting hole 21 includes a main board mounting hole 212 and a cover mounting hole 213.
  • the main board mounting hole 212 is disposed in the main board 22, the cover mounting hole 213 is disposed in the cover 23, and the guiding slot 211 is disposed in the cover mounting hole 213. Side wall.
  • a limiting slot 2121 is defined in the sidewall of the motherboard mounting hole 212.
  • the limiting slot 2121 is located at one end of the motherboard mounting hole 212 near the panel mounting hole 213.
  • One end of the limiting slot 2121 is adjacent to and communicates with the guiding slot 211, and the guiding pin 15 is stuck. It is disposed in the limiting slot 2121. In this way, by setting the limiting slot, the normal guiding leg is limited, and after the reciprocating rotation of the guiding leg is maintained, the steering pin is still returned to the same fixed position, and the precision of each reciprocating rotational movement of the low-voltage pole is improved.
  • the cover mounting hole 213 includes a first portion 2131 between the main plate mounting hole 212 and the second portion 2132, and a second portion 2132 having a diameter smaller than the diameter of the first portion 2131.
  • the electrical connector further includes a protective structure 24 that is snapped and sealingly coupled to the second portion 2132.
  • the protective structure 24 includes a guard structure body head 241, a guard structure body intermediate portion 242, and a guard structure body tail portion 243 that are sequentially connected.
  • the diameters of the guard structure body head portion 241 and the guard structure body tail portion 243 are both larger than the shield structure body intermediate portion 242.
  • the diameter of the protective structure intermediate portion 242 is snapped and sealed to the second portion 2132, and the end of the protective structure body portion 241 and the protective structure intermediate portion 242 abuts against one side of the cover plate 23, the protective structure One end of the tail portion 243 connected to the shield structure intermediate portion 242 abuts against the top of the first portion 2131.
  • the protective structure 24 is a protective ring.
  • the material of the protective structure 24 is rubber.
  • the electrical connector further includes a cable 25, and one end of the cable 25 is sequentially disposed through the protective structure 24 and the first portion 2131, and is inserted into the tail end of the pole main body 11.
  • the length of the cable 25 between the shield structure 24 and the trailing end of the pole body 11 is greater than the distance of the shield structure 24 to the trailing end of the pole body 11.
  • the shape of the cable 25 between the shield structure 24 and the trailing end of the pole body 11 is spiral. In this way, by setting the length and shape of the cable, it is ensured that the cable is freely movable in the fixed area, and no jamming occurs.
  • the pole main body 11 includes the connecting body 12 and the crimping body 13.
  • the elastic member 30 is sleeved outside the connecting body 12, and the connecting body 12 is located in the main board mounting hole 212, and the pressing body 13 is located at the cover.
  • the diameter of the connecting body 12 is larger than the diameter of the pressing body 13
  • the guiding leg 15 is located on the outer wall surface of the connecting body 12 near the end of the pressing body 13, and the cable 25 is inserted into the pressing body 13 away from the connecting body.
  • the crimping body 13 is provided with a cable slot 131 for inserting the cable 25.
  • the crimping body 13 includes a connected crimping body head 132 and a crimping body tail portion 133, and an end of the crimping body head portion 132 away from the crimping body tail portion 133 is connected to the connecting body 12.
  • the diameter of one end of the crimping body tail portion 133 that is connected to the crimping body head portion 132 is smaller than the diameter of the end portion of the crimping body tail portion 133 away from the crimping body head portion 132; the crimping body head portion 132 is connected to the crimping body tail portion 133.
  • the diameter of one end is equal to the diameter of the end of the crimping body head 132 away from the end of the crimping body tail 133.
  • the connecting body 12 includes a connecting connector head portion 121 and a connecting body tail portion 122 and a limiting base 123.
  • the diameter of the connecting body head portion 121 is larger than the diameter of the connecting body tail portion 122, and the connecting body tail portion 122 is away from the end portion of the connecting body portion 121.
  • the elastic member 30 is sleeved outside the connecting body tail portion 122, and one end of the elastic member 30 is abutted on the outer wall surface of the connecting body head portion 121 and the connecting body tail portion 122. Relying on the side of the limiting table 123 facing the connector tail 122.
  • the working principle of the invention when the low-voltage pole of the battery-end electrical connector is electrically connected with the low-voltage pole of the vehicle-side electrical connector, the force transmitted along the contact-facing low-voltage pole is generated due to the electrical connection, in this effect
  • the force compresses the elastic member in the initial state, and simultaneously drives the low-pressure pole to move along the direction of the force, and the guide leg is disposed on the low-pressure pole, and the guide groove is disposed on the side wall of the mounting hole corresponding to the guide leg, and the guide groove is passed through the guide groove.
  • the setting direction and the guiding leg cooperate with the guiding groove to guide and limit the movement of the low-voltage pole and rotate while rotating; on the other hand, when the force is cancelled, the elastic member is released, and the low voltage is driven during the return to the initial state.
  • the poles are reversely moved along the rotation direction of the guide groove, thereby completing the reciprocating rotational movement, reaching the mutual friction between the terminal contact faces of the low-voltage poles, thereby achieving the effect of cleaning the terminal contact faces of the low-voltage poles, and improving the low-voltage poles. Stability of electrical contact.
  • the invention defines the rotation direction of the low-voltage pole by the cooperation of the guiding foot and the guiding groove, and moves the low-voltage pole to move in the rotating direction of the guiding groove by the elastic member, thereby achieving the effect of cleaning the terminal contact surface of the low-voltage pole and improving the low-voltage pole.
  • the stability of the electrical contact of the column increases the stability of the electrical contact of the electrical connector comprising the low voltage pole.

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Abstract

一种低压极柱及包含其的电连接器。该低压极柱（10）包括极柱主体（11）和导向脚（15），导向脚（15）设于极柱主体（11）的外壁面上且沿极柱主体（11）的径向方向向外延伸。该电连接器包括：设有安装孔（21）的极柱安装座（20）；穿设于安装孔（21）的如上所述低压极柱（10）；设于安装孔（21）的侧壁的导向槽（211），当导向脚（15）移动至导向槽（211）内时，导向脚（15）滑设于导向槽（211），导向脚（15）与导向槽（211）配合用于限定低压极柱（10）的旋转方向；套设于极柱主体（11）外且位于安装孔（21）内的弹性件（30），弹性件（30）用于带动低压极柱（10）沿导向槽（211）设置的旋转方向移动。通过导向脚（15）与导向槽（211）配合限定低压极柱（10）的旋转方向，并通过弹性件（30）带动低压极柱（10）沿导向槽（211）设置的旋转方向移动，从而到达清洁低压极柱（10）的端子接触面的效果，提高低压极柱（10）的电接触的稳定性。

Description

低压极柱及包含其的电连接器
本申请要求申请日为2017年6月23日的中国专利申请CN201710488955.X的优先权。本申请引用上述中国专利申请的全文。
技术领域
本发明涉及一种低压极柱及包含其的电连接器。
背景技术
电连接器包括车端电连接器和电池端电连接器，车端电连接器安装于与车连接的快换支架或直接安装在车上；电池端电连接器安装在快换电池包上。电池端电连接器的低压极柱分别与车体端电连接器的低压极柱一一对应电连接。
在现有技术中，低压极柱的电接触端的端面在长期接触过程中容易产生氧化层，进而降低了低压极柱的电接触性能，使得低压极柱的电接触不稳定。
发明内容
本发明要解决的技术问题是为了克服现有技术中低压极柱存在电接触不稳定的缺陷，提供一种低压极柱及包含其的电连接器。
本发明是通过下述技术方案来解决上述技术问题：
一种低压极柱，其特点在于，所述低压极柱包括一极柱主体和导向脚，所述导向脚设于所述极柱主体的外壁面上，且沿所述极柱主体的径向方向向外延伸。
在本技术方案中，通过设置导向脚，使低压极柱在弹性件的作用力下，可以按照与导向脚对应设置的导向槽所限定的方向而旋转，从而达到低压极柱自动清洁端子接触面的效果，提高低压极柱的电接触的稳定性。
较佳地，所述导向脚与所述极柱主体一体成型。
较佳地，所述导向脚的数量为若干，若干所述导向脚沿所述极柱主体的周向间隔设 置。
较佳地，所述导向脚的数量为三个，三个所述导向脚沿所述极柱主体的周向均匀间隔设置。
在本技术方案中，通过设置导向脚的数量及位置，使低压极柱在旋转过程中运动更为稳定。
较佳地，所述极柱主体包括相连接的连接体和压线体，所述连接体的直径大于所述压线体的直径，所述导向脚位于所述连接体靠近所述压线体的一端的外壁面。
较佳地，所述压线体设有线缆槽，所述线缆槽用于插设线缆。
较佳地，所述压线体包括相连接的压线体头部和压线体尾部，所述压线体头部远离所述压线体尾部的一端与所述连接体连接，所述压线体尾部中与所述压线体头部连接的一端的直径小于所述压线体尾部中远离所述压线体头部一端的直径；所述压线体头部中与所述压线体尾部连接的一端的直径等于所述压线体头部中远离所述压线体尾部一端的直径。
较佳地，所述连接体包括相连接的连接体头部和连接体尾部以及限位台，所述连接体头部的直径大于所述连接体尾部的直径，所述连接体尾部远离所述连接体头部的一端与所述压线体连接，所述限位台沿周向设于所述连接体头部和所述连接体尾部的连接处的外壁面。
本发明还提供一种电连接器，所述电连接器包括一极柱安装座，所述极柱安装座设有安装孔，其特点在于，所述电连接器还包括：
如上所述的低压极柱，所述低压极柱穿设于所述安装孔；
导向槽，所述导向槽设于所述安装孔的侧壁，当所述导向脚移动至所述导向槽内时，所述导向脚滑设于所述导向槽，所述导向脚与所述导向槽配合用于限定所述低压极柱的旋转方向；
弹性件，所述弹性件位于所述安装孔内，且所述弹性件套设于所述极柱主体外，所述弹性件用于带动所述低压极柱沿所述导向槽设置的旋转方向移动。
在本技术方案中，通过导向脚与导向槽配合限定低压极柱的旋转方向，并通过弹性 件带动低压极柱沿导向槽设置的旋转方向移动，从而到达清洁低压极柱的端子接触面的效果，提高低压极柱的电接触的稳定性，进而提高包含该低压极柱的电连接器的电接触的稳定性。
较佳地，所述导向槽的长度方向与所述低压极柱的中心轴线形成一夹角。
较佳地，所述夹角为13-17度。
较佳地，所述夹角为15度。
较佳地，所述导向脚与所述极柱主体一体成型。
较佳地，所述导向脚和所述导向槽的数量均为若干，若干所述导向脚沿所述极柱主体的周向间隔设置，若干所述导向槽沿所述安装孔的周向间隔设置，若干所述导向槽与若干所述导向脚一一对应设置。
较佳地，所述导向脚和所述导向槽的数量均为三个，三个所述导向脚沿沿所述极柱主体的周向均匀间隔设置，三个所述导向槽沿所述安装孔的周向均匀间隔设置。
在本技术方案中，通过设置导向脚的数量及位置，使低压极柱在旋转过程中运动更为稳定。
较佳地，所述极柱安装座包括主板和盖板，所述盖板可拆卸地连接于所述主板的一侧。
较佳地，所述安装孔包括相连通的主板安装孔和盖板安装孔，所述主板安装孔设于所述主板内，所述盖板安装孔设于所述盖板内，所述导向槽设于所述盖板安装孔的侧壁。
较佳地，所述主板安装孔的侧壁上设有限位槽，所述限位槽位于所述主板安装孔靠近所述盖板安装孔的一端，所述限位槽的一端与所述导向槽邻接且连通，所述导向脚卡设于所述限位槽。
在本技术方案中，通过设置限位槽，对常态下导向脚进行限位，保证导向脚往复旋转移动后，仍保持回到相同的固定位置，提高低压极柱的每次往复旋转移动的精准性。
较佳地，所述盖板安装孔包括第一部分和第二部分，所述第一部分位于所述主板安装孔与所述第二部分之间，所述第二部分的直径小于所述第一部分的直径。
较佳地，所述电连接器还包括防护结构体，所述防护结构体卡设并密封连接于所述 第二部分。
在本技术方案中，通过设置防护结构体，提高了电连接器的整体防护性能。
较佳地，所述防护结构体包括依次连接的防护结构体头部、防护结构体中间部和防护结构体尾部，所述防护结构体头部和所述防护结构体尾部的直径均大于所述防护结构体中间部的直径，且所述防护结构体中间部卡设并密封连接于所述第二部分，所述防护结构体头部与所述防护结构体中间部连接的一端抵靠于所述盖板的一侧，所述防护结构体尾部与所述防护结构体中间部连接的一端抵靠于所述第一部分的顶部。
较佳地，所述防护结构体为防护圈。
较佳地，所述防护结构体的材质为橡胶。
较佳地，所述电连接器还包括线缆，所述线缆的一端依次穿设于所述防护结构体、所述第一部分，且插设于所述极柱主体的尾端。
较佳地，位于所述防护结构体与所述极柱主体的尾端之间的所述线缆的长度大于所述防护结构体到所述极柱主体的尾端的距离。
较佳地，位于所述防护结构体与所述极柱主体的尾端之间的所述线缆的形状为螺旋形。
在本技术方案中，通过设置线缆的长度和形状，保证线缆在固定区域内活动自如，并且不会出现卡涉现象。
较佳地，所述极柱主体包括相连接的连接体和压线体，所述弹性件套设于所述连接体外，且所述连接体位于所述主板安装孔内，所述压线体位于所述盖板安装孔内，所述连接体的直径大于所述压线体的直径，所述导向脚位于所述连接体靠近所述压线体的一端的外壁面，所述线缆插设于所述压线体远离所述连接体的一端。
较佳地，所述压线体设有线缆槽，所述线缆槽用于插设所述线缆。
较佳地，所述压线体包括相连接的压线体头部和压线体尾部，所述压线体头部远离所述压线体尾部的一端与所述连接体连接，所述压线体尾部中与所述压线体头部连接的一端的直径小于所述压线体尾部中远离所述压线体头部一端的直径；所述压线体头部中与所述压线体尾部连接的一端的直径等于所述压线体头部中远离所述压线体尾部一端的 直径。
较佳地，所述连接体包括相连接的连接体头部和连接体尾部以及限位台，所述连接体头部的直径大于所述连接体尾部的直径，所述连接体尾部远离所述连接体头部的一端与所述压线体连接，所述限位台沿周向设于所述连接体头部和所述连接体尾部的连接处的外壁面，所述弹性件套设于所述连接体尾部外，且所述弹性件的一端抵靠于所述限位台中面向所述连接体尾部的一侧。
较佳地，所述主板包括壳体和中间块，所述壳体中面向所述盖板的一端设有容置腔，所述中间块卡设于所述容置腔内并与所述壳体密封连接。
较佳地，所述弹性件为弹簧。
本发明的积极进步效果在于：
本发明通过导向脚与导向槽配合限定低压极柱的旋转方向，并通过弹性件带动低压极柱沿导向槽设置的旋转方向移动，从而到达清洁低压极柱的端子接触面的效果，提高低压极柱的电接触的稳定性，进而提高包含该低压极柱的电连接器的电接触的稳定性。
附图说明
图1为本发明较佳实施例的低压极柱的立体结构图。
图2为图1中A-A方向的剖视图。
图3为本发明较佳实施例的电连接器的立体分解结构图。
图4为本发明较佳实施例的电连接器的主视图。
图5为图4中B-B方向的剖视图。
图6为图4中C-C方向的剖视图。
附图标记说明
低压极柱10
极柱主体11
连接体12
连接体头部121
连接体尾部122
限位台123
压线体13
线缆槽131
压线体头部132
压线体尾部133
导向脚15
极柱安装座20
安装孔21
导向槽211
主板安装孔212
限位槽2121
盖板安装孔213
第一部分2131
第二部分2132
主板22
壳体221
中间块222
盖板23
护结构体24
防护结构体头部241
防护结构体中间部242
防护结构体尾部243
线缆25
弹性件30
具体实施方式
下面通过实施例的方式进一步说明本发明，但并不因此将本发明限制在所述的实施例范围之中。
请结合图1和图2予以理解，本实施案例提供一种低压极柱10，低压极柱10包括极柱主体11和导向脚15，导向脚15设于极柱主体11的外壁面上，且沿极柱主体11的径向方向向外延伸。导向脚15与极柱主体11一体成型。这样，通过设置导向脚，使低压极柱在弹性件的作用力下，可以按照与导向脚对应设置的导向槽所限定的方向而旋转，从而达到低压极柱自动清洁端子接触面的效果，提高低压极柱的电接触的稳定性。
导向脚15的数量为三个，三个导向脚15沿极柱主体11的周向均匀间隔设置。这样，通过设置导向脚的数量及位置，使低压极柱在旋转过程中运动更为稳定。在其他实施例中，导向脚15的数量也可以是两个、四个或者其他数值，该些导向脚15沿低压极柱10的周向均匀间隔设置。
极柱主体11包括相连接的连接体12和压线体13，连接体12的直径大于压线体13的直径，导向脚15位于连接体12靠近压线体13的一端的外壁面。压线体13设有线缆槽131，线缆槽131用于插设线缆。
压线体13包括相连接的压线体头部132和压线体尾部133，压线体头部132远离压线体尾部133的一端与连接体12连接，压线体尾部133中与压线体头部132连接的一端的直径小于压线体尾部133中远离压线体头部132一端的直径；压线体头部132中与压线体尾部133连接的一端的直径等于压线体头部132中远离压线体尾部133一端的直径。
连接体12包括相连接的连接体头部121和连接体尾部122以及限位台123，连接体头部121的直径大于连接体尾部122的直径，连接体尾部122远离连接体头部121的一端与压线体13连接，限位台123沿周向设于连接体头部121和连接体尾部122的连接处的外壁面。
请结合图3和图6予以理解，本实施案例还提供一种电连接器，所述电连接器包括如上所述的低压极柱10、极柱安装座20和弹性件30。在本实施例中，弹性件30为弹簧。低压极柱10的具体结构请再参阅图1和图2。
极柱安装座20设有安装孔21，低压极柱10穿设于安装孔21。安装孔21的侧壁设有导向槽211，当导向脚15移动至导向槽211内时，导向脚15滑设于导向槽211，导向脚15与导向槽211配合用于限定低压极柱10的旋转方向。弹性件30位于安装孔21内，且弹性件30套设于极柱主体11外，弹性件30用于带动低压极柱10沿导向槽211设置的旋转方向移动。这样，通过导向脚与导向槽配合限定低压极柱的旋转方向，并通过弹性件带动低压极柱沿导向槽设置的旋转方向移动，从而到达清洁低压极柱的端子接触面的效果，提高低压极柱的电接触的稳定性，进而提高包含该低压极柱的电连接器的电接触的稳定性。
导向槽211的长度方向与低压极柱10的中心轴线形成一夹角。在本实施例中，所述夹角为13-17度。较佳地，所述夹角为15度。这样，可以通过该夹角限定低压极柱的旋转方向，实现清洁低压极柱的端子接触面的目的。
在本实施例中，导向脚15和导向槽211的数量均为三个，三个导向脚15沿沿极柱主体11的周向均匀间隔设置，三个导向槽211沿安装孔21的周向均匀间隔设置。且三个导向槽211与三个导向脚15一一对应设置。这样，通过设置导向脚的数量为三个以及导向脚的位置，使低压极柱在旋转过程中运动更为稳定。在其他实施例中，导向脚15和导向槽211的数量也可以是两个、四个或者其他数值，该些导向脚15沿低压极柱10的周向均匀间隔设置。
极柱安装座20包括主板22和盖板23，盖板23可拆卸地连接于主板22的一侧。主板22包括壳体221和中间块222，壳体221中面向盖板23的一端设有容置腔(图中未标示)，中间块222卡设于所述容置腔内并与壳体221密封连接。
安装孔21包括相连通的主板安装孔212和盖板安装孔213，主板安装孔212设于主板22内，盖板安装孔213设于盖板23内，导向槽211设于盖板安装孔213的侧壁。
主板安装孔212的侧壁上设有限位槽2121，限位槽2121位于主板安装孔212靠近盖板安装孔213的一端，限位槽2121的一端与导向槽211邻接且连通，导向脚15卡设于限位槽2121。这样，通过设置限位槽，对常态下导向脚进行限位，保证导向脚往复旋转移动后，仍保持回到相同的固定位置，提高低压极柱的每次往复旋转移动的精准性。
盖板安装孔213包括第一部分2131和第二部分2132，第一部分2131位于主板安装孔212与第二部分2132之间，第二部分2132的直径小于第一部分2131的直径。
所述电连接器还包括防护结构体24，防护结构体24卡设并密封连接于第二部分2132。这样，通过设置防护结构体，提高了电连接器的整体防护性能。防护结构体24包括依次连接的防护结构体头部241、防护结构体中间部242和防护结构体尾部243，防护结构体头部241和防护结构体尾部243的直径均大于防护结构体中间部242的直径，且防护结构体中间部242卡设并密封连接于第二部分2132，防护结构体头部241与防护结构体中间部242连接的一端抵靠于盖板23的一侧，防护结构体尾部243与防护结构体中间部242连接的一端抵靠于第一部分2131的顶部。在本实施例中，防护结构体24为防护圈。防护结构体24的材质为橡胶。
在本实施例中，所述电连接器还包括线缆25，线缆25的一端依次穿设于防护结构体24、第一部分2131，且插设于极柱主体11的尾端。较佳地，位于防护结构体24与极柱主体11的尾端之间的线缆25的长度大于防护结构体24到极柱主体11的尾端的距离。位于防护结构体24与极柱主体11的尾端之间的线缆25的形状为螺旋形。这样，通过设置线缆的长度和形状，保证线缆在固定区域内活动自如，并且不会出现卡涉现象。
如前所述，极柱主体11包括相连接的连接体12和压线体13，弹性件30套设于连接体12外，且连接体12位于主板安装孔212内，压线体13位于盖板安装孔213内，连接体12的直径大于压线体13的直径，导向脚15位于连接体12靠近压线体13的一端的外壁面，线缆25插设于压线体13远离连接体12的一端。
压线体13设有线缆槽131，线缆槽131用于插设线缆25。压线体13包括相连接的压线体头部132和压线体尾部133，压线体头部132远离压线体尾部133的一端与连接体12连接。压线体尾部133中与压线体头部132连接的一端的直径小于压线体尾部133中远离压线体头部132一端的直径；压线体头部132中与压线体尾部133连接的一端的直径等于压线体头部132中远离压线体尾部133一端的直径。
连接体12包括相连接的连接体头部121和连接体尾部122以及限位台123，连接体头部121的直径大于连接体尾部122的直径，连接体尾部122远离连接体头部121的一 端与压线体13连接，限位台123沿周向设于连接体头部121和连接体尾部122的连接处的外壁面，弹性件30套设于连接体尾部122外，且弹性件30的一端抵靠于限位台123中面向连接体尾部122的一侧。
本发明的工作原理，当电池端电连接器的低压极柱与车体端电连接器的低压极柱电连接时，由于电连接而产生沿接触面向低压极柱传递的作用力，在该作用力对初始状态的弹性件进行压缩，同时带动低压极柱沿该作用力方向移动，而通过在低压极柱上设置导向脚，并在安装孔的侧壁对应导向脚设置导向槽，通过导向槽的设置方向以及导向脚与导向槽配合，引导并限定低压极柱边移动并边旋转；另一方面，当该作用力撤销时，弹性件得到释放，在恢复至初始状态的过程中，带动低压极柱沿导向槽设置的旋转方向反向移动，从而完成往复旋转移动，到达使低压极柱的端子接触面相互产生摩擦，从而到达清洁低压极柱的端子接触面的效果，提高低压极柱的电接触的稳定性。
本发明通过导向脚与导向槽配合限定低压极柱的旋转方向，并通过弹性件带动低压极柱沿导向槽设置的旋转方向移动，从而到达清洁低压极柱的端子接触面的效果，提高低压极柱的电接触的稳定性，进而提高包含该低压极柱的电连接器的电接触的稳定性。
虽然以上描述了本发明的具体实施方式，但是本领域的技术人员应当理解，这仅是举例说明，本发明的保护范围是由所附权利要求书限定的。本领域的技术人员在不背离本发明的原理和实质的前提下，可以对这些实施方式做出多种变更或修改，但这些变更和修改均落入本发明的保护范围。

Claims (20)

  1. 一种低压极柱，其特征在于，所述低压极柱包括一极柱主体和导向脚，所述导向脚设于所述极柱主体的外壁面上，且沿所述极柱主体的径向方向向外延伸。
  2. 如权利要求1所述的低压极柱，其特征在于，所述导向脚与所述极柱主体一体成型；
    和/或，所述导向脚的数量为若干，若干所述导向脚沿所述极柱主体的周向间隔设置；较佳地，所述导向脚的数量为三个，三个所述导向脚沿所述极柱主体的周向均匀间隔设置。
  3. 如权利要求1或2所述的低压极柱，其特征在于，所述极柱主体包括相连接的连接体和压线体，所述连接体的直径大于所述压线体的直径，所述导向脚位于所述连接体靠近所述压线体的一端的外壁面。
  4. 如权利要求3所述的低压极柱，其特征在于，所述压线体设有线缆槽，所述线缆槽用于插设线缆；较佳地，所述压线体包括相连接的压线体头部和压线体尾部，所述压线体头部远离所述压线体尾部的一端与所述连接体连接，所述压线体尾部中与所述压线体头部连接的一端的直径小于所述压线体尾部中远离所述压线体头部一端的直径；所述压线体头部中与所述压线体尾部连接的一端的直径等于所述压线体头部中远离所述压线体尾部一端的直径；
    和/或，所述连接体包括相连接的连接体头部和连接体尾部以及限位台，所述连接体头部的直径大于所述连接体尾部的直径，所述连接体尾部远离所述连接体头部的一端与所述压线体连接，所述限位台沿周向设于所述连接体头部和所述连接体尾部的连接处的外壁面。
  5. 一种电连接器，所述电连接器包括一极柱安装座，所述极柱安装座设有安装孔，其特征在于，所述电连接器还包括：
    如权利要求1所述的低压极柱，所述低压极柱穿设于所述安装孔；
    导向槽，所述导向槽设于所述安装孔的侧壁，当所述导向脚移动至所述导向槽内时， 所述导向脚滑设于所述导向槽，所述导向脚与所述导向槽配合用于限定所述低压极柱的旋转方向；
    弹性件，所述弹性件位于所述安装孔内，且所述弹性件套设于所述极柱主体外，所述弹性件用于带动所述低压极柱沿所述导向槽设置的旋转方向移动。
  6. 如权利要求5所述的电连接器，其特征在于，所述导向槽的长度方向与所述低压极柱的中心轴线形成一夹角；较佳地，所述夹角为13-17度；更佳地，所述夹角为15度；
    和/或，所述导向脚与所述极柱主体一体成型；
    和/或，所述导向脚和所述导向槽的数量均为若干，若干所述导向脚沿所述极柱主体的周向间隔设置，若干所述导向槽沿所述安装孔的周向间隔设置，若干所述导向槽与若干所述导向脚一一对应设置；较佳地，所述导向脚和所述导向槽的数量均为三个，三个所述导向脚沿沿所述极柱主体的周向均匀间隔设置，三个所述导向槽沿所述安装孔的周向均匀间隔设置。
  7. 如权利要求5或6所述的电连接器，其特征在于，所述极柱安装座包括主板和盖板，所述盖板可拆卸地连接于所述主板的一侧。
  8. 如权利要求7所述的电连接器，其特征在于，所述安装孔包括相连通的主板安装孔和盖板安装孔，所述主板安装孔设于所述主板内，所述盖板安装孔设于所述盖板内，所述导向槽设于所述盖板安装孔的侧壁；较佳地，所述主板安装孔的侧壁上设有限位槽，所述限位槽位于所述主板安装孔靠近所述盖板安装孔的一端，所述限位槽的一端与所述导向槽邻接且连通，所述导向脚卡设于所述限位槽。
  9. 如权利要求8所述的电连接器，其特征在于，所述盖板安装孔包括第一部分和第二部分，所述第一部分位于所述主板安装孔与所述第二部分之间，所述第二部分的直径小于所述第一部分的直径。
  10. 如权利要求9所述的电连接器，其特征在于，所述电连接器还包括防护结构体，所述防护结构体卡设并密封连接于所述第二部分。
  11. 如权利要求10所述的电连接器，其特征在于，所述防护结构体包括依次连接的防护结构体头部、防护结构体中间部和防护结构体尾部，所述防护结构体头部和所述防 护结构体尾部的直径均大于所述防护结构体中间部的直径，且所述防护结构体中间部卡设并密封连接于所述第二部分，所述防护结构体头部与所述防护结构体中间部连接的一端抵靠于所述盖板的一侧，所述防护结构体尾部与所述防护结构体中间部连接的一端抵靠于所述第一部分的顶部；较佳地，所述防护结构体为防护圈；
    和/或，所述防护结构体的材质为橡胶。
  12. 如权利要求10或11所述的电连接器，其特征在于，所述电连接器还包括线缆，所述线缆的一端依次穿设于所述防护结构体、所述第一部分，且插设于所述极柱主体的尾端。
  13. 如权利要求12所述的电连接器，其特征在于，位于所述防护结构体与所述极柱主体的尾端之间的所述线缆的长度大于所述防护结构体到所述极柱主体的尾端的距离。
  14. 如权利要求13所述的电连接器，其特征在于，位于所述防护结构体与所述极柱主体的尾端之间的所述线缆的形状为螺旋形。
  15. 如权利要求12-14中任一项所述的电连接器，其特征在于，所述极柱主体包括相连接的连接体和压线体，所述弹性件套设于所述连接体外，且所述连接体位于所述主板安装孔内，所述压线体位于所述盖板安装孔内，所述连接体的直径大于所述压线体的直径，所述导向脚位于所述连接体靠近所述压线体的一端的外壁面，所述线缆插设于所述压线体远离所述连接体的一端。
  16. 如权利要求15所述的电连接器，其特征在于，所述压线体设有线缆槽，所述线缆槽用于插设所述线缆。
  17. 如权利要求16所述的电连接器，其特征在于，所述压线体包括相连接的压线体头部和压线体尾部，所述压线体头部远离所述压线体尾部的一端与所述连接体连接，所述压线体尾部中与所述压线体头部连接的一端的直径小于所述压线体尾部中远离所述压线体头部一端的直径；所述压线体头部中与所述压线体尾部连接的一端的直径等于所述压线体头部中远离所述压线体尾部一端的直径。
  18. 如权利要求15-17任一项所述的电连接器，其特征在于，所述连接体包括相连接的连接体头部和连接体尾部以及限位台，所述连接体头部的直径大于所述连接体尾部的 直径，所述连接体尾部远离所述连接体头部的一端与所述压线体连接，所述限位台沿周向设于所述连接体头部和所述连接体尾部的连接处的外壁面，所述弹性件套设于所述连接体尾部外，且所述弹性件的一端抵靠于所述限位台中面向所述连接体尾部的一侧。
  19. 如权利要求7-18中任一项所述的电连接器，其特征在于，所述主板包括壳体和中间块，所述壳体中面向所述盖板的一端设有容置腔，所述中间块卡设于所述容置腔内并与所述壳体密封连接。
  20. 如权利要求5-19中任意一项所述的电连接器，其特征在于，所述弹性件为弹簧。
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