WO2018137340A1 - 电源连接器 - Google Patents

电源连接器 Download PDF

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Publication number
WO2018137340A1
WO2018137340A1 PCT/CN2017/098144 CN2017098144W WO2018137340A1 WO 2018137340 A1 WO2018137340 A1 WO 2018137340A1 CN 2017098144 W CN2017098144 W CN 2017098144W WO 2018137340 A1 WO2018137340 A1 WO 2018137340A1
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WO
WIPO (PCT)
Prior art keywords
pair
power
power connector
lateral direction
parallel
Prior art date
Application number
PCT/CN2017/098144
Other languages
English (en)
French (fr)
Inventor
郑义宏
杨琇棉
刘瑞红
Original Assignee
凡甲电子(苏州)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.)
Filing date
Publication date
Application filed by 凡甲电子(苏州)有限公司 filed Critical 凡甲电子(苏州)有限公司
Priority to US15/745,119 priority Critical patent/US10270199B2/en
Publication of WO2018137340A1 publication Critical patent/WO2018137340A1/zh

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Classifications

    • 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
    • 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
    • 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
    • H01R13/426—Securing by a separate resilient retaining piece supported by base or case, e.g. collar or metal contact-retention clip
    • 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
    • H01R13/506—Bases; Cases composed of different pieces assembled by snap action of the parts
    • 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
    • H01R43/20—Apparatus or processes specially adapted for manufacturing, assembling, maintaining, or repairing of line connectors or current collectors or for joining electric conductors for assembling or disassembling contact members with insulating base, case or sleeve
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00—Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02—Contact members
    • H01R13/10—Sockets for co-operation with pins or blades
    • H01R13/11—Resilient sockets
    • H01R13/113—Resilient sockets co-operating with pins or blades having a rectangular transverse section

Definitions

  • the present invention relates to a power connector, and more particularly to a power connector having a high strength power terminal pair and a parallel fastener.
  • the power connector is a conventional electrical connector that is mainly used for current transmission.
  • Existing power connectors typically include a plurality of or a single power terminal and an insulative housing for carrying the power terminals to insulate the power terminals.
  • Several power terminals can be connected in parallel via terminal busbars to provide high current transmission.
  • a conventional power connector 900 has an insulative housing 91, a plurality of power terminal pairs 92 fixed in the insulative housing 91, and a parallel fastener 93.
  • the insulative housing 91 The terminal receiving slot is arranged in the lateral direction to receive the pair of power terminals.
  • the power terminal pair 92 is fixed in the insulative housing 91 through the elastic plates disposed on both sides thereof.
  • the support portion of each power terminal pair 92 has a pair of front and rear directions.
  • the external lead-out terminals are locked to the rear end of the power terminal pair 92 by screws, pins, etc., but the parallel fasteners 93 are only locked to the power terminal pair by screws, pins, etc., when the locking force is too large Parallel fasteners have hidden dangers, and the power terminal can not bear a large locking force on the peripheral position of the mounting hole; in addition, when the high current cable is connected, the power terminal pair and the parallel fastener have no corresponding support. The overall weight of the cable cannot be tolerated, and the risk of the power terminal being pulled or cracked by the support portion 924 may also be caused when the cable is pulled.
  • the present invention provides a power connector including an insulative housing, a plurality of power terminal pairs and parallel fasteners fixed side by side in the lateral direction on the insulative housing, the insulative housing having a lateral direction a plurality of terminal receiving slots arranged side by side, each power terminal pair comprises two opposite power terminals, wherein the parallel fastener mechanically and electrically connects the two power terminals of a power terminal pair
  • the insulating body further has a positioning groove located behind the corresponding terminal receiving groove and communicating with the terminal receiving slot, and the parallel fastener is buckled in the positioning groove and fixes the corresponding power terminal pair in the positioning groove.
  • each of the power terminal pairs includes a pair of oppositely disposed contact pieces, a rear support portion, and a pair of connection portions respectively connecting the pair of contact pieces and the support portion, the support portion and the support portion
  • Each of the connecting portions is connected to form an L shape.
  • the contact piece is received in the terminal receiving groove, the connecting portion and the supporting portion are located in the positioning groove, and the parallel fastener is pressed against the connecting portion.
  • the parallel fastener has a main body portion and a protruding portion extending rearward from the main body portion, the protruding portion having a width in a lateral direction of the power connector smaller than a width of the main body portion .
  • the insulative housing has an abutting surface, a rear end surface, and a mounting surface between the abutting surface and the rear end surface
  • the insulating body has a space between the mounting surface and the rear end surface and is spaced apart in the lateral direction.
  • a plurality of partitions projecting from opposite sides of the adjacent two partitions to form a pair of restricting walls, the limiting walls and the mounting surface and the corresponding partitions enclosing the seating groove.
  • the restricting wall is located on both sides of the protruding portion in the lateral direction and is engaged with the same.
  • the two sides of the protruding portion in the lateral direction respectively protrude outwardly to form a protrusion
  • the pair of the limiting walls are respectively provided with a snap structure that is snap-fitted with the corresponding protrusion.
  • the snap structure is a snap groove extending in the front-rear direction.
  • the two sides of the protruding portion in the lateral direction further have outwardly protruding ribs extending along the mounting direction of the parallel fasteners and connected to the bumps.
  • the limiting wall is respectively formed with a limiting groove for inserting the rib and the protrusion and accommodating the rib therein.
  • the snap structure is a resilient arm that extends in the mounting direction of the parallel fastener.
  • the insulative housing of the power connector of the present invention is provided with a positioning slot communicating with the terminal receiving slot, and the parallel fastener can be snap-fitted into the corresponding positioning slot to fix the corresponding power terminal pair, when the parallel fastener is subjected to Large torque locks do not crack when attached.
  • FIG. 1 is a perspective view of a conventional power connector.
  • FIG. 2 is a perspective assembled view of a first preferred embodiment of the power connector of the present invention.
  • Figure 3 is an assembled, isometric view of the power connector of Figure 2 at another angle.
  • Figure 4 is a partially exploded view of the power connector of Figure 2;
  • Figure 5 is a further exploded view of the power connector of Figure 4.
  • Figure 6 is a view from another perspective of the power connector of Figure 5.
  • FIG. 7 to 8 are partial assembled views of the power connector shown in Fig. 6.
  • FIG. 9 is a perspective view of the power terminal pair and the parallel fastener of the power connector of FIG. 8.
  • Figure 10 is an enlarged schematic view of a portion A in Figure 7.
  • Figure 11 is a perspective view of a second preferred embodiment of the power connector of the present invention.
  • Figure 12 is an enlarged schematic view of the portion B in Figure 11.
  • Figure 13 is a perspective view of a third preferred embodiment of the power connector of the present invention.
  • Figure 14 is an enlarged schematic view of the portion C in Figure 13.
  • the power connector 100 includes an insulative housing 1 and a plurality of power terminal pairs 2 fixed in the insulative housing 1 .
  • the signal terminal 3 and the parallel fastener 4 that mechanically and electrically connect the power terminal pair 2 to an external lead terminal (not shown) provided on the rear side of the insulating body 1.
  • the insulative housing 1 is provided with a base portion 11 and an extending portion 12 extending rearward from the base portion 11 in a plugging direction with a mating connector (not shown) and located at the Two guide posts 13 on the lateral sides of the front portion of the base portion 11 for guiding the mating of the mating connector.
  • the base portion 11 is provided with an abutting surface 110 on the front side to be in contact with the mating connector, a mounting surface 111 on the rear side, and a plurality of terminal receiving grooves 112 extending through the mating surface 110 and the mounting surface 111.
  • the terminal receiving slot 112 includes a plurality of power terminal receiving slots 1121 and a plurality of signal terminal receiving slots 1122.
  • the power terminal receiving slots 1121 are arranged laterally along the insulative housing 1 , and the signal terminal receiving slots 1122 are located on one side of the power terminal receiving slot 1121 .
  • a limiting block 1123 is protruded from a side of the front portion of each of the power terminal receiving grooves 1121 toward the inside thereof.
  • the extension portion 12 has a rear end surface 120 located behind the mounting surface 111, and the extension portion 12 includes a bottom wall 121 extending rearward from a bottom portion of the base portion 11 and a plurality of rearward extending portions from the mounting surface 111.
  • the partition wall 122 is connected to the partition wall 122, and the partition plate 122 projects upward so that its upper surface is higher than the front portion of the extension portion 12.
  • a plurality of partitions 122 are disposed between the mounting surface 111 and the rear end surface 120 and are spaced apart in the lateral direction.
  • the extending portion 12 of the insulating body 1 further has a rear portion corresponding to the power terminal receiving groove 1121 and is in communication therewith. Slot 123.
  • a pair of limiting walls 124 are formed to protrude from opposite sides of the adjacent two partition plates 122.
  • the limiting wall 124 and the mounting surface 111 and the corresponding partition plate 122 are disposed together to form the positioning groove 123.
  • the seating groove 123 is T-shaped when viewed from the top.
  • the power connector 100 of the present invention is provided with a total of seventeen power terminal pairs 2, which are correspondingly distributed in the seventeen power terminal receiving slots 1121.
  • Each of the power terminal pairs 2 is received in a power terminal receiving slot 1121, and includes two power supply terminals disposed in pairs.
  • the two power terminals of each power terminal pair 2 are respectively referred to as A terminal 21 and a second terminal 22.
  • seventeen power supply terminal pairs 2 are divided into three terminal group settings, which are a first power terminal group, a second power terminal group, and a plurality of third power terminal groups, among the three terminal groups,
  • the power terminal pair 2 in the second and third power terminal groups is different from the power terminal pair 2 in the first power terminal group, and of course, may be set to the same structure; the second power terminal group and the third The configuration of each power terminal pair 2 in the power terminal group is the same.
  • the first power terminal group and the second power terminal group each include four power terminal pairs 2, and the third power terminal group includes three power terminal pairs 2.
  • the first terminal 21 and the second terminal 22 are disposed in a sheet shape.
  • a pair of the contact pieces 23 of each of the pair of power terminals 2 are collectively received in the same power terminal receiving groove 1121, and each of the contact pieces 23 is provided with a resisting piece 231 which is respectively torn outwardly from the upper and lower sides. .
  • the front end of the contact piece 23 abuts against the rear side of the limiting block 1123 to restrict the forward movement of the power terminal pair 2.
  • the support portion 24 is formed by stacking the first support portion 241 of the first terminal 21 and the second support portion 242 of the second terminal 22 in the front-rear direction, and the support portion 24 has a mounting hole 240 penetrating therethrough in the front-rear direction, wherein The first and second supporting portions 241, 242 are respectively connected to the corresponding connecting portion 25, the second supporting portion 242 is smaller than the first supporting portion 241, so that a missing portion 243 is formed in front of the first supporting portion 241; In other embodiments, the lateral dimension of the first support portion 241 and the second support portion 242 may also be indistinguishable, that is, the missing portion 243 is not present.
  • the parallel fastener 4 has a main body portion 41, a protruding portion 42 extending rearward from the main body portion 41, and an insertion portion 43 located below the main body portion 41 and the protruding portion 42.
  • the protruding portion 42 is along the power source.
  • the width of the connector 100 in the lateral direction is smaller than the width of the main body portion 41.
  • the parallel fastener 4 is integrally convex in shape to enhance the strength of the parallel fastener 4 itself when used. There is no cracking problem when the torque is too strong.
  • the width of the insertion portion 43 in the lateral direction of the power connector 100 is smaller than the widths of the main body portion 41 and the protruding portion 42. Therefore, the insertion portion 43 forms a joint with the main body portion 41 and the protruding portion 42.
  • the connecting surface 44 is disposed downward.
  • the parallel fastener 4 also has a fixing hole 45 penetrating therethrough in the front-rear direction.
  • the two sides of the protruding portion 42 in the lateral direction respectively protrude outwardly to form a protrusion 421, and the protruding portion 42 further has a flange 422 extending laterally above the rear end thereof, the flange 422
  • the rear projection is arranged in a strip shape.
  • the protrusion 42 further has a rear protrusion 423 at a rear end thereof and below the flange 422 and connected to the flange 422, the rear protrusion 423 is located on one side of the protrusion 42 in the lateral direction, and The flange 422 extends downward to be flush with the bottom surface of the insertion portion 43, and the flange 422 extends in a direction perpendicular to the overall extending direction of the rear projection 423.
  • the contact piece 23 of the power terminal pair 2 is located in the power terminal receiving slot 1121, and the connecting portion 25 and the supporting portion 24 are located in the seating slot 123.
  • the parallel fasteners 4 are assembled from the top and bottom and are snap-fitted into the seating groove 123, and the corresponding power terminal pair 2 is fixed in the seating groove 123.
  • the connecting surface 44 of the parallel fastener 4 is pressed against the upper surface of the connecting portion 25 such that the main body portion 41 and the protruding portion 42 are placed above the connecting portion 25.
  • the mounting hole 240 of the support portion 24 is aligned with the positioning hole 45 of the parallel fastener 4 in the front-rear direction for the external fixing member to be inserted and locked, and the rear end surface of the protruding portion 42 is parallel to the support portion 24, and Abutting against the front surface of the support portion 24, the flange 422 is positioned above the support portion 24 to restrict the support portion 24 from moving upward.
  • the rear protrusion 423 of the parallel fastener 4 is received in the missing portion 243 on the support portion 24 to further laterally limit the second support portion 242.
  • the restricting wall 124 is located on both sides of the protruding portion 42 in the lateral direction and is engaged with the same.
  • a pair of the limiting walls 124 are respectively provided with a snap structure that is snap-fitted with the corresponding protrusions 421 .
  • the buckle structure is a locking groove 1241 extending in the front-rear direction to buckle the protrusion 421 therein, and the parallel fastener 4 can be effectively positioned in the positioning groove 123, and the parallel connection is solved. The drop problem when the fastener 4 is not locked.
  • the parallel fastener When the external lead-out terminal is pulled, the parallel fastener can withstand a large pulling force and is not pulled up; in addition, a pair of support portions 24 of the power terminal pair 2 and the corresponding connecting portion 25 is connected to form an L shape so that the parallel fastener 4 is pressed against the connecting portion 25 to effect the auxiliary fixing of the parallel fastener 4.
  • the structure and assembly relationship of the insulative housing 1', the power terminal pair 2', and the signal terminal 3' of the power connector 100' are In the same manner as the first embodiment, the pair of limiting walls 124' of the insulative housing 1' are also respectively provided with snap-fit structures that are snap-fitted with the corresponding bumps 421'.
  • the buckle structure is also a snap groove 1241' extending in the front-rear direction, and will not be described again.
  • the parallel fastener 4' is also substantially identical in structure to the parallel fastener 4 in the first embodiment, and differs from the first embodiment only in that: the parallel fastener 4' Both sides of the protruding portion 42' in the lateral direction further have outwardly projecting ribs 424' extending in the mounting direction of the parallel fastener 4' and connected to the bumps 421'
  • the protrusions 421 ′ are located at the free ends of the ribs 424 ′ to form a hook-shaped structure, and the limiting walls 124 ′ are respectively formed with the limiting slots 1242 extending in the vertical direction and communicating with the locking grooves 1241 ′. ', the limiting slot 1242' receives the rib 424' therein.
  • the rib 424' and the protrusion 421' of the parallel fastener 4' are inserted into the limiting groove 1242' from top to bottom until the protrusion 421' enters and locks into the buckle groove.
  • the stability of the parallel fastener 4' in the insulating body 1' is enhanced to form a multi-position, multi-directional fixing, and the force receiving point can be dispersed when subjected to a large pulling force.
  • a third preferred embodiment of the present invention in which the power connector 100" is insulative body 1", the power terminal pair 2", the signal terminal 3", and the parallel fastener 4"
  • the structure is the same as that of the first embodiment, and details are not described herein.
  • the pair of limiting walls 124 ′′ are also respectively provided with a snap structure that is snap-fitted with the corresponding protrusion 421 ′′, and the difference from the first embodiment is only
  • the buckle structure is a resilient arm 1243" extending in the mounting direction of the parallel fastener 4".
  • the elastic arm 1243" is a cantilever structure in which the bottom end is connected to the limiting wall 124", and the top end thereof has The free end of the hook structure 1244" is hooked to the corresponding bump 421", and the arrangement of the elastic arm 1243" increases the buffer space of the parallel fastener 4" during assembly, preventing the limiting wall 124" from being strong. Interference, improving the stability of the power connector 100".

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  • Manufacturing & Machinery (AREA)
  • Connector Housings Or Holding Contact Members (AREA)
  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Coupling Device And Connection With Printed Circuit (AREA)

Abstract

一种电源连接器，其包括绝缘本体(1)、沿横向方向并排固定于所述绝缘本体(1)上的若干电源端子对(2)及并联紧固件(4)，所述绝缘本体(1)具有沿横向方向并排设置的若干端子收容槽(112)，每一电源端子对(2)包括相对设置的两片电源端子（21，22），所述并联紧固件(4)将一电源端子对(2)中的两片电源端子（21，22）机械并电性地连接于一体，所述绝缘本体(1)还具有位于对应端子收容槽(112)后方且与其相连通的安置槽(123)，所述并联紧固件(4)卡扣收容于所述安置槽(123)内并于该安置槽(123)内将相应电源端子对(2)固定。

Description

电源连接器
本申请要求了申请日为2017年01月24日，申请号为201710055108.4，发明名称为“电源连接器”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及一种电源连接器，尤其涉及一种具有强度较高的电源端子对及并联紧固件的电源连接器。
背景技术
电源连接器作为一种习知电连接器，主要用于进行电流的传输。现有的电源连接器通常包括有若干或单独一根电源端子以及用以承载该电源端子以对电源端子周围进行绝缘处理的绝缘座体。若干个电源端子可通过端子汇流片实现并联连接，以提供大电流传输。
请参照说明书附图的图1所示，为一种现有的电源连接器900，其具有绝缘本体91、固定于绝缘本体91内之若干电源端子对92及并联紧固件93，绝缘本体91具有若干沿横向方向并排设置以收容电源端子对之端子收容槽，电源端子对92通过其两侧设置之弹片固定于绝缘本体91内，每一电源端子对92之支撑部具有一对沿前后方向对齐之安装孔，外部导出端子通过螺丝、销等锁附于电源端子对92后端，但是，并联紧固件93仅仅通过螺丝、销等锁附于电源端子对，当锁附力过大时并联紧固件有断裂之隐患，电源端子对之安装孔周边位置也无法承受较大之锁附力；另，当连接高电流之线缆时，电源端子对及并联紧固件无相应支撑，不能承受线缆整体重量，拉扯线缆时也会造成电源端子对之支撑部924拉起或开裂之风险。
有鉴于此，有必要对现有的电源连接器予以改进，以解决上述问题。
发明内容
本发明的目的在于提供一种具有强度较高的电源端子对及并联紧固件的电源连接器。
为实现上述发明目的，本发明提供了一种电源连接器，其包括绝缘本体、沿横向方向并排固定于所述绝缘本体上的若干电源端子对及并联紧固件，所述绝缘本体具有沿横向方向并排设置的若干端子收容槽，每一电源端子对包括相对设置的两片电源端子，所述并联紧固件将一电源端子对中的两片电源端子机械并电性地连接于一体，所述绝缘本体还具有位于对应端子收容槽后方且与其相连通的安置槽，所述并联紧固件卡扣收容于所述安置槽内并于该安置槽内将相应电源端子对固定。
作为本发明的进一步改进，所述每一电源端子对包括一对相对设置的接触片、位于后方的支撑部、将一对接触片及支撑部分别相连的一对连接部，所述支撑部与每一连接部相连均构成L形。
作为本发明的进一步改进，所述接触片收容于端子收容槽内，所述连接部及支撑部位于所述安置槽内，所述并联紧固件抵压于所述连接部的上方。
作为本发明的进一步改进，所述并联紧固件具有主体部及自所述主体部向后延伸的突伸部，所述突伸部沿电源连接器横向方向上的宽度较主体部的宽度小。
作为本发明的进一步改进，所述绝缘本体具有对接面、后端面及位于对接面与后端面之间的安装面，所述绝缘本体具有位于安装面与后端面之间且沿横向方向间隔设置有若干隔板，自相邻两隔板的相对面相向突伸形成一对限制壁，所述限制壁与安装面及相应的隔板共同围设形成所述安置槽。
作为本发明的进一步改进，所述限制壁位于所述突伸部横向方向上的两侧且与之相卡扣。
作为本发明的进一步改进，所述突伸部横向方向上的两侧分别向外突伸形成凸块，一对所述限制壁分别设有与对应凸块卡扣配合的卡扣结构。
作为本发明的进一步改进，所述卡扣结构为沿前后方向延伸的卡扣槽。
作为本发明的进一步改进，所述突伸部横向方向上的两侧还具有向外突伸形成的凸肋，所述凸肋沿并联紧固件的安装方向延伸且与所述凸块相连，所述限制壁分别形成有供凸肋及凸块插入并将凸肋收纳于其中的限位槽。
作为本发明的进一步改进，所述卡扣结构为沿并联紧固件的安装方向延伸的弹性臂。
本发明电源连接器的绝缘本体设置有与端子收容槽相连通的安置槽，并联紧固件可卡扣收容于对应的安置槽内以将相应的电源端子对固定，当并联紧固件受到过大的扭力锁附力时不会开裂。
附图说明
图1是一种现有的电源连接器的立体示意图。
图2是本发明电源连接器第一较佳实施例的立体组装图。
图3是图2所示电源连接器另一角度的立体组装图。
图4是图2所示电源连接器的部分分解图。
图5是图4所示电源连接器的进一步分解图。
图6是图5所示电源连接器另一视角的视图。
图7至图8是图6所示电源连接器的部分组装图。
图9是图8中电源连接器的电源端子对及并联紧固件的立体示意图。
图10是图7中A处的放大示意图。
图11是本发明电源连接器第二较佳实施例的立体示意图。
图12是图11中B处的放大示意图。
图13是本发明电源连接器第三较佳实施例的立体示意图。
图14是图13中C处的放大示意图。
具体实施方式
为了使本发明的目的、技术方案和优点更加清楚，下面结合具体实施例和附图对本发明进行详细描述。
请参图2至图10所示，为本发明电源连接器100的第一较佳实施例，所述电源连接器100包括绝缘本体1、固定于所述绝缘本体1中的若干电源端子对2和信号端子3、将电源端子对2与设置于绝缘本体1后侧的外部导出端子(未图示)机械地并电性地连接在一起的并联紧固件4。
请结合图2至图4所示，所述绝缘本体1设有基部11及自所述基部11沿与对接连接器(未图示)的插接方向向后延伸的延伸部12及位于所述基部11前部的横向两侧的两导柱13，所述导柱13用以导引对接连接器的插接。
所述基部11设有位于前侧以与对接连接器相对接的对接面110、位于后侧的安装面111以及前后贯穿对接面110和安装面111的若干端子收容槽112。于本发明中，所述端子收容槽112包括有若干电源端子收容槽1121和若干信号端子收容槽1122。所述电源端子收容槽1121沿绝缘本体1横向排列设置，所述信号端子收容槽1122位于所述电源端子收容槽1121的一侧。每一所述电源端子收容槽1121前部的两侧朝向其内部突设有限位块1123。
所述延伸部12具有位于所述安装面111后方的后端面120，且所述延伸部12包括自所述基部11底部向后延伸的底壁121以及若干自所述安装面111向后延伸的隔板122，所述底壁121与隔板122相连接，所述隔板122向上突伸以使其上表面高于延伸部12前部的高度。若干隔板122位于所述安装面111与所述后端面120之间且沿横向方向间隔设置，所述绝缘本体1的延伸部12还具有位于对应电源端子收容槽1121后方且与其相连通的安置槽123。
自相邻两隔板122的相对面相向突伸形成一对限制壁124，所述限制壁124与所述安装面111及相应的隔板122共同围设形成所述安置槽123，以使所述安置槽123从上往下看呈T形。
请结合图1至图5所示，本发明电源连接器100共设置有十七个电源端子对2，对应分布于十七个电源端子收容槽1121中。每一所述电源端子对2收容于一电源端子收容槽1121中，且包括成对相对设置的两片电源端子，本发明中将每一电源端子对2中的两片电源端子分别称为第一端子21和第二端子22。
于本发明中，十七个所述电源端子对2分为三种端子组设置，分别为第一电源端子组、第二电源端子组和若干第三电源端子组，该三种端子组中，第二、第三电源端子组中的电源端子对2与第一电源端子组中的电源端子对2结构设置不相同，当然，也可设置为相同结构；所述第二电源端子组和第三电源端子组中各电源端子对2的结构设置相同。其中，第一电源端子组和第二电源端子组均包括有四个电源端子对2，第三电源端子组包括有三个电源端子对2。
其中，第一电源端子组中的每一所述电源端子对2中，所述第一端子21和所述第二端子22(也即每一电源端子对2)设有呈片状相对设置的一对接触片23和位于后方的支撑部24、将一对接触片23及支撑部24分别相连的一对连接部25，所述支撑部24与每一连接部 25相连均构成L形。每一电源端子对2中的一对所述接触片23共同收容于同一所述电源端子收容槽1121内，且每一接触片23设有自上下侧分别向外撕破延伸的抵持片231。所述接触片23前端抵持所述限位块1123后侧，以限制电源端子对2向前移动。
所述支撑部24由第一端子21的第一支撑部241与第二端子22的第二支撑部242沿前后方向堆叠构成，且支撑部24具有沿前后方向将其贯穿的安装孔240，其中第一、第二支撑部241、242分别与对应的连接部25相连，第二支撑部242的横向尺寸比第一支撑部241小，因此形成在第一支撑部241前方形成一缺部243；在其它实施例中，所述第一支撑部241与第二支撑部242横向尺寸也可无差异，也即不存在缺部243。
所述并联紧固件4具有主体部41、自所述主体部41向后延伸的突伸部42及位于主体部41与突伸部42下方的插入部43，所述突伸部42沿电源连接器100横向方向上的宽度较所述主体部41的宽度小，从上往下看，所述并联紧固件4整体呈凸字型，以增强并联紧固件4本身之强度，当使用过大扭力锁附时也不会有开裂问题。所述插入部43沿电源连接器100横向方向上的宽度比所述主体部41及突伸部42的宽度均小，因此所述插入部43与主体部41及突伸部42的连接处形成朝下设置的连接面44。所述并联紧固件4还具有沿前后方向将其贯穿的固定孔45。
所述突伸部42横向方向上的两侧分别向外突伸形成凸块421，所述突伸部42还具有位于其后端上方位置且横向延伸的凸缘422，所述凸缘422向后突伸设置且呈条状。所述突伸部42还具有位于其后端且位于凸缘422下方并与凸缘422相连的后突部423，所述后突部423位于突伸部42于横向方向上的一侧，且自凸缘422向下延伸至与插入部43的底面平齐，所述凸缘422的延伸方向与后突部423的整体延伸方向垂直。
当电源端子对2收容于对应的电源端子收容槽1121内时，所述电源端子对2的接触片23位于电源端子收容槽1121内，所述连接部25及支撑部24位于所述安置槽123内，所述并联紧固件4自上而下组装并卡扣收容于所述安置槽123内，并于该安置槽123内将相应电源端子对2固定。其中，所述并联紧固件4的连接面44抵压于所述连接部25的上表面，以使所述主体部41及突伸部42放置于所述连接部25的上方。所述支撑部24的安装孔240与并联紧固件4的定位孔45沿前后方向对齐，以供外接固定件插入并锁附，所述突伸部42的后端面与支撑部24平行，且抵靠于支撑部24的前表面，所述凸缘422位于支撑部24上方以限制支撑部24向上移动。所述并联紧固件4的后突部423收容于支撑部24上的缺部243内，以进一步横向限位所述第二支撑部242。
所述限制壁124位于所述突伸部42横向方向上的两侧且与之相卡扣。一对所述限制壁124分别设有与对应凸块421卡扣配合的卡扣结构。在本实施例中，所述卡扣结构为沿前后方向延伸的卡扣槽1241，以将凸块421卡扣于其中，可有效将并联紧固件4定位于安置槽123内，并解决并联紧固件4未锁附时的掉落问题。当外部导出端子被拉扯时，并联紧固件可承受较大的拉扯力并且不会被拉起；另外，电源端子对2的一对支撑部24与对应连接部 25相连构成L形，以使并联紧固件4压制于连接部25上，实现辅助固定并联紧固件4的作用。
请参阅图11至图12所示，作为本发明的第二较佳实施例，其中电源连接器100'的绝缘本体1'、电源端子对2'、信号端子3'的结构及组装关系均与第一实施例相同，绝缘本体1'的一对限制壁124'亦分别设有与对应凸块421'卡扣配合的卡扣结构。所述卡扣结构也为沿前后方向延伸的卡扣槽1241'，将不再赘述。
在本实施例中，并联紧固件4'与第一实施例中的并联紧固件4的结构也大致相同，与所述第一实施例不同之处仅在于：并联紧固件4'的突伸部42'横向方向上的两侧还具有向外突伸形成的凸肋424'，所述凸肋424'沿并联紧固件4'的安装方向延伸且与所述凸块421'相连，所述凸块421'位于凸肋424'的自由末端，以形成勾状结构，所述限制壁124'分别形成有沿竖直方向延伸且与卡扣槽1241'交叉连通的限位槽1242'，所述限位槽1242'将凸肋424'收纳于其中。组装时，所述并联紧固件4'的凸肋424'及凸块421'自上而下插入限位槽1242'内，直至所述凸块421'进入并锁扣于所述卡扣槽1241'内，如此增强并联紧固件4'于绝缘本体1'内的稳固性，形成多位置、多方向的固定，当受到较大拉扯力时可分散其受力点。
请参照图13至图14所示，为本发明的第三较佳实施例，其中电源连接器100″的绝缘本体1″、电源端子对2″、信号端子3″及并联紧固件4″结构均与第一实施例相同，在此不再赘述。一对限制壁124″也分别设有与对应凸块421″卡扣配合的卡扣结构，与所述第一实施例不同之处仅在于：所述卡扣结构为沿并联紧固件4″的安装方向延伸的弹性臂1243″，所述弹性臂1243″为底端与限制壁124″相连的悬臂状结构，且其顶端为具有卡勾结构1244″的自由端，以勾扣对应的凸块421″，通过弹性臂1243″的设置，增加并联紧固件4″于组装时的缓冲空间，防止限制壁124″对其产生强干涉，提升电源连接器100″的稳定性。
以上实施例仅用以说明本发明的技术方案而非限制，尽管参照较佳实施例对本发明进行了详细说明，本领域的普通技术人员应当理解，可以对本发明的技术方案进行修改或者等同替换，而不脱离本发明技术方案的精神和范围。

Claims (10)

  1. 一种电源连接器，其包括绝缘本体、沿横向方向并排固定于所述绝缘本体上的若干电源端子对及并联紧固件，所述绝缘本体具有沿横向方向并排设置的若干端子收容槽，每一电源端子对包括相对设置的两片电源端子，所述并联紧固件将一电源端子对中的两片电源端子机械并电性地连接于一体，其特征在于：所述绝缘本体还具有位于对应端子收容槽后方且与其相连通的安置槽，所述并联紧固件卡扣收容于所述安置槽内并于该安置槽内将相应电源端子对固定。
  2. 如权利要求1所述的电源连接器，其特征在于：所述每一电源端子对包括一对相对设置的接触片、位于后方的支撑部、将一对接触片及支撑部分别相连的一对连接部，所述支撑部与每一连接部相连均构成L形。
  3. 如权利要求2所述的电源连接器，其特征在于：所述接触片收容于端子收容槽内，所述连接部及支撑部位于所述安置槽内，所述并联紧固件抵压于所述连接部的上方。
  4. 如权利要求1至3中任一项所述的电源连接器，其特征在于：所述并联紧固件具有主体部及自所述主体部向后延伸的突伸部，所述突伸部沿电源连接器横向方向上的宽度较主体部的宽度小。
  5. 如权利要求4所述的电源连接器，其特征在于：所述绝缘本体具有对接面、后端面及位于对接面与后端面之间的安装面，所述绝缘本体具有位于安装面与后端面之间且沿横向方向间隔设置有若干隔板，自相邻两隔板的相对面相向突伸形成一对限制壁，所述限制壁与安装面及相应的隔板共同围设形成所述安置槽。
  6. 如权利要求5所述的电源连接器，其特征在于：所述限制壁位于所述突伸部横向方向上的两侧且与之相卡扣。
  7. 如权利要求5所述的电源连接器，其特征在于：所述突伸部横向方向上的两侧分别向外突伸形成凸块，一对所述限制壁分别设有与对应凸块卡扣配合的卡扣结构。
  8. 如权利要求7所述的电源连接器，其特征在于：所述卡扣结构为沿前后方向延伸的卡扣槽。
  9. 如权利要求8所述的电源连接器，其特征在于：所述突伸部横向方向上的两侧还具有向外突伸形成的凸肋，所述凸肋沿并联紧固件的安装方向延伸且与所述凸块相连，所述限制壁分别形成有供凸肋及凸块插入并将凸肋收纳于其中的限位槽。
  10. 如权利要求7所述的电源连接器，其特征在于：所述卡扣结构为沿并联紧固件的安装方向延伸的弹性臂。
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