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WO2023185304A1 - 弹性接触件和电连接器 - Google Patents

弹性接触件和电连接器 Download PDF

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Publication number
WO2023185304A1
WO2023185304A1 PCT/CN2023/076671 CN2023076671W WO2023185304A1 WO 2023185304 A1 WO2023185304 A1 WO 2023185304A1 CN 2023076671 W CN2023076671 W CN 2023076671W WO 2023185304 A1 WO2023185304 A1 WO 2023185304A1
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WO
WIPO (PCT)
Prior art keywords
elastic
arm
contact
contact piece
distance
Prior art date
Application number
PCT/CN2023/076671
Other languages
English (en)
French (fr)
Inventor
王峰
Original Assignee
菲尼克斯亚太电气(南京)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 菲尼克斯亚太电气(南京)有限公司 filed Critical 菲尼克斯亚太电气(南京)有限公司
Publication of WO2023185304A1 publication Critical patent/WO2023185304A1/zh

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Classifications

    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/10Sockets for co-operation with pins or blades
    • H01R13/11Resilient sockets
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/02Contact members
    • H01R13/15Pins, blades or sockets having separate spring member for producing or increasing contact pressure
    • H01R13/187Pins, blades or sockets having separate spring member for producing or increasing contact pressure with spring member in the socket
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01RELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00 - H01R33/00
    • H01R13/40Securing contact members in or to a base or case; Insulating of contact members

Definitions

  • This patent application relates to the field of electrical connections, and in particular to elastic contacts for establishing electrical and mechanical connections between mating male and female terminals.
  • electrical connectors In the field of electrical connections, electrical connectors are widely used in various electrical circuits and play the role of transmitting current. Electrical connectors typically include receptacles and plugs that mate with each other. The sockets and plugs of electrical connectors are each equipped with terminals, which usually require better coordination between these terminals to meet large current transmission requirements. If the fit between the terminals is too loose, poor contact may easily occur, thereby reducing the current transmission efficiency or even interrupting current transmission; however, if the fit is too tight, it is not conducive to the plugging and unplugging of the electrical connector.
  • Crown spring is a resilient contact used to establish electrical and mechanical connections between mating terminals.
  • a typical crown spring is installed in the female terminal and makes electrical and mechanical contact with the male terminal inserted into the female terminal.
  • Chinese Utility Model Patent Authorization Announcement No. CN203423290U describes a contact spring used to bridge the electrical contact between the contact sleeve (i.e., the female terminal) and the contact pin (i.e., the male terminal).
  • this crown spring there is still room for further improvement of this crown spring in development and application situations such as high-voltage and high-current connections.
  • the technical solution proposed in this patent application aims to propose an improved crown spring that enhances the electrical contact performance of the crown spring, thereby making the crown spring suitable for high-voltage and large-current connection applications while controlling the size of the crown spring.
  • an elastic contact piece is provided.
  • the elastic contact piece is a cylindrical element.
  • the cylindrical element includes annular portions at both ends, and an annular portion connected between the two ends.
  • a plurality of elastic beams each elastic beam includes a part forming an outer elastic arm and a part forming an inner elastic arm, the outer elastic arm protrudes outward along the radial direction of the cylindrical element to define an outer contact point, The inner elastic arm protrudes along the radial inner side of the cylindrical element to define the inner contact point.
  • the extent to which the outer elastic arm protrudes outward and the inner elastic arm bulges inwardly The degree of bulge varies.
  • the line connecting the two end points of the elastic beam is the axis of the elastic beam, and the distance from the inner contact to the axis of the elastic beam is greater than the distance from the outer contact to the elastic beam. distance between beam axes.
  • the line connecting the two end points of the elastic beam is the axis of the elastic beam, and the distance from the inner contact to the axis of the elastic beam is smaller than the distance from the outer contact to the elastic beam. distance between beam axes.
  • the arm lengths of the outer elastic arm and the inner elastic arm are not equal.
  • the arm length of the outer elastic arm is greater than the arm length of the inner elastic arm.
  • the arm length of the outer elastic arm is smaller than the arm length of the inner elastic arm, and the outer contact protrudes from the barrel of the cylindrical element. The distance is less than the distance by which the inner contact protrudes from the barrel of the barrel element.
  • the plurality of elastic beams are parallel to each other and aligned at both ends, so that the outer contact point of each elastic beam and the inner contact point of the adjacent elastic beam are along the barrel.
  • the elements are staggered in the circumferential direction.
  • the resilient contact is formed from a single piece of conductive material.
  • the resilient contact is formed by winding the single piece of conductive material.
  • the elastic contact is a crown spring.
  • each elastic beam includes one or more outer elastic arms and one or more inner elastic arms.
  • an electrical connector comprising: a resilient contact as described in any of the preceding paragraphs; a female terminal, the female terminal having a mounting cavity, The installation cavity is used to accommodate the elastic contact piece, and the inner wall of the installation cavity is used to contact at least a part of the outer spring arm of the elastic contact piece; and a male terminal is used to insert the female terminal inside the installation cavity and in contact with at least a part of the inner elastic arm of the elastic contact piece.
  • Figure 1 shows a perspective view of a crown spring according to one embodiment of the present patent application.
  • Figure 2 shows a schematic inside plan view of the crown spring before winding according to one embodiment of the present patent application.
  • Figure 3 shows a side view of a crown spring before winding according to one embodiment of the present patent application.
  • Figure 4 shows a side view according to perspective A in Figure 1 of a crown spring according to one embodiment of the present patent application.
  • FIG. 5 shows a schematic diagram of the crown spring, female terminal and male terminal in the electrical connector before installation according to one embodiment of the present patent application.
  • FIG. 6 shows a schematic diagram of a male terminal and a female terminal equipped with a crown spring in an electrical connector before installation according to an embodiment of the present patent application.
  • Figure 1 shows a perspective view of a crown spring 10 according to one embodiment of the present patent application.
  • Figure 2 shows a schematic inner plan view of the crown spring 10 before winding according to one embodiment of the present patent application.
  • Figure 3 shows a side view of the crown spring 10 before winding according to one embodiment of the present patent application.
  • Figure 4 shows a side view according to perspective A in Figure 1 of a crown spring according to one embodiment of the present patent application.
  • the crown spring 10 may have a substantially cylindrical structure, including a first annular portion 11A and a second annular portion 11B located at both ends, and a link between the first annular portion 11A and the second annular portion 11B. multiple elastic beams 12 between them.
  • the inner side I and the outer side E can be defined.
  • the crown spring 10 may have a first end 13A and a second end 13B, wherein there may be a first gap 15 between the first end 13A and the second end 13B.
  • the size of the first gap 15 can be adjusted as needed.
  • the crown spring 10 may be formed from a single piece of conductive material, and may be formed by winding the first end 13A and the second end 13B of the single piece of conductive material toward the inner side I as shown in FIG. 1 . Crown spring 10 with cylindrical structure.
  • the crown spring 10 may include a plurality of elastic beams 12 , and the elastic beams 12 may be arranged parallel to each other and aligned at both ends, and there may be a second gap 14 between adjacent elastic beams 12 .
  • Each elastic beam 12 may include a portion forming an outer elastic arm 121 and a portion forming an inner elastic arm 123 .
  • the outer spring arm 121 protrudes outward to define an outer contact point
  • the inner spring arm 123 protrudes inward to define an inner contact point.
  • the adjacent elastic beams 12 can be arranged in opposite directions, so that the outer elastic arm 121 of each elastic beam 12 can be adjacent to the corresponding inner elastic arm 123 of the adjacent elastic beam 12.
  • the outer contact point of each elastic beam is with
  • the inner contacts of adjacent elastic beams are staggered along the circumferential direction of the cylindrical element.
  • the distance from the inner contact (for example, a male pin contact) defined by the inner elastic arm 123 to the elastic beam axis L is greater than that of the outer elastic beam.
  • the distance between the inner contact point defined by the inner spring arm 123 (for example, a male pin contact) and the elastic beam axis L may be smaller than the outer contact point defined by the outer spring arm 123 (for example, a female pin contact point). point) to the elastic beam axis L.
  • the arm length of the outer spring arm 121 may be determined to be equal to the arc length of the outwardly protruding outer spring arm 121 .
  • the arm length of the inner elastic arm 123 may be determined to be equal to the arc length of the inwardly protruding inner elastic arm 123 .
  • the outwardly protruding outer elastic arm 121 and the inwardly protruding inner elastic arm 123 may be connected at the joint 125 .
  • the joint 125 is preferably offset from the center of the spring beam, ie the outer spring arm 121 has a different arm length than the inner spring arm 123 .
  • the arm length of the outer elastic arm 121 on the same elastic beam 12 may be smaller or longer than the arm length of the inner elastic arm 123 on the same elastic beam 12 .
  • the degree of protrusion of the outer spring arm 121 toward the outside and the degree of protrusion of the inner spring arm 123 toward the inside on the same elastic beam 12 can be different, so that in the perspective of Figure 4, the inner spring arm 123 is The inner contact points defined are more convex than the outer contact points defined by the outer spring arms.
  • the outward protruding distance of the outer elastic arm 121 is smaller than the inward protruding distance of the inner elastic arm 123 .
  • the outward protruding distance of the outer elastic arm 121 may be greater than the inward protruding distance of the inner elastic arm 123 .
  • the force generated based on spring deformation is more needed between the crown spring 10 and the male terminal 30 to ensure reliable contact. Therefore, by differentially designing the outer spring arm 121 and the inner spring arm 123 on the same elastic beam 12, the force generated by the spring deformation can be more concentrated on the inside of the crown spring 10 (side I in Figure 3, in contact with the male terminal side). Therefore, the crown spring 10 obtains better elasticity with smaller dimensions (eg, shorter elastic beam 12), thereby increasing the current flow of the electrical connector 1 (as shown in FIGS. 5-6 below). transmission efficiency.
  • the crown spring 10 is There is no forward or reverse direction in the configuration, therefore, error-proofing design is eliminated and the consistency of insertion and extraction force is ensured.
  • each elastic beam 12 only includes one outer elastic arm 121 and one inner elastic arm 123, in other embodiments, each elastic beam 12 may include one or more outer elastic arms 121. and one or more inner elastic arms 123.
  • FIG. 5 shows a schematic diagram of the crown spring 10 , the female terminal 20 and the male terminal 30 in the electrical connector 1 before installation according to one embodiment of the present patent application.
  • FIG. 6 shows a schematic diagram of the male terminal 30 in the electrical connector 1 and the female terminal 20 equipped with the crown spring 10 before installation according to an embodiment of the present patent application.
  • the male terminal 30 may have a mounting cavity 21 , and the mounting cavity 21 may be used to accommodate the crown spring 10 and the male terminal 30 .
  • the shape and size of the crown spring 10 and the male terminal 30 can match the shape and size of the installation cavity 21 of the female terminal 20 for adaptive installation.
  • the inner wall of the mounting cavity 21 may be in contact with at least a part of the outer elastic arm 121 of the crown spring 10 (for example, the outer contact). .
  • the outer wall 31 of the male terminal 30 may contact at least a portion (eg, an inner contact) of the inner spring arm 123 of the crown spring 10 .
  • the crown spring 10 , the female terminal 20 and the male terminal 30 of the electrical connector 1 are installed together, there may be an interaction force between the inner wall of the female terminal 20 and the outer elastic arm 121 of the crown spring 10 , and the male terminal 30 There may be an interaction force between the outer wall 31 and the inner elastic arm 123 of the crown spring 10 , which may improve the connection reliability between the female terminal 20 and the male terminal 30 and further improve the current transmission efficiency of the electrical connector 1 .
  • the outer contact defined by the outer spring arm can be made more protruding than the inner contact defined by the inner spring arm, so that the elasticity is more concentrated between the crown spring and the female terminal.
  • the elastic contact piece with the reference number 10 is called a "crown spring". It should be understood that a more generalized elastic contact should cover a cylindrical element that includes annular portions at both ends and a plurality of elastic beams connected between the annular portions at both ends.

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)

Abstract

一种弹性接触件和电连接器(1)。弹性接触件为筒状元件,筒状元件包括位于两端的环状部分,以及连接于两端的环状部分之间的多个弹性梁(12)。每一个弹性梁(12)包括形成外弹臂(121)的部分和形成内弹臂(123)的部分。外弹臂(121)沿筒状元件的径向向外侧凸起以定义外触点,内弹臂(123)沿筒状元件的径向内侧凸起以定义内触点。沿筒状元件的径向,外弹臂(121)向外侧凸起的程度和内弹臂(123)向内侧凸起的程度不同,提高了弹性接触件的电接触性能,从而在控制尺寸的情况下使弹性接触件能够适合高压大电流连接的应用场合。

Description

弹性接触件和电连接器 技术领域
本专利申请涉及电气连接领域,尤其涉及用于在对配的公端子和母端子之间建立电连接和机械连接的弹性接触件。
背景技术
在电气连接领域,电连接器广泛应用于各种电气线路中,起着传输电流的作用。电连接器通常包括彼此配合的插座和插头。电连接器的插座和插头内各自装有端子,通常要求这些端子之间具有较佳的配合,以满足大电流传输要求。若端子之间配合过松,则容易出现接触不良,从而降低电流传输效率,甚至中断电流传输;但若配合过紧,则不利于电连接器的插拔。
冠簧是一种用于在对配的端子之间建立电连接和机械连接的弹性接触件。典型的冠簧被装于母端子内,并与插入母端子的公端子发生电接触和机械接触。例如,中国实用新型专利授权公告号为CN203423290U描述了一种用于桥接接触套筒(即母端子)与接触销钉(即公端子)之间的电气触点的接触弹簧。然而,在诸如高压大电流连接的开发和应用场合中,这种冠簧仍存在进一步的改进空间。
发明内容
本专利申请所提出的技术方案旨在提出一种改进的冠簧,其增强冠簧的电接触性能,从而可以在控制冠簧尺寸的情况下使冠簧适合高压大电流连接的应用场合。
在本专利申请的一个方面,提供了一种弹性接触件,所述弹性接触件为筒状元件,所述筒状元件包括位于两端的环状部分,以及连接于两端的环状部分之间的多个弹性梁,每一个弹性梁包括形成外弹臂的部分和形成内弹臂的部分,所述外弹臂沿所述筒状元件的径向向外侧凸起以定义外触点,所述内弹臂沿所述筒状元件的径向内侧凸起以定义内触点,沿所述筒状元件的径向,所述外弹臂向外侧凸起的程度和所述内弹臂向内侧凸起的程度不同。
在本专利申请的一个方面的至少一实施例中,以弹性梁两端点的连线为弹性梁轴线,所述内触点到所述弹性梁轴线的距离大于所述外触点到所述弹性梁轴线的距离。
在本专利申请的一个方面的至少一实施例中,以弹性梁两端点的连线为弹性梁轴线,所述内触点到所述弹性梁轴线的距离小于所述外触点到所述弹性梁轴线的距离。
在本专利申请的一个方面的至少一实施例中,所述外弹臂和所述内弹臂的臂长度不相等。
在本专利申请的一个方面的至少一实施例中,所述外弹臂的臂长度大于所述内弹臂的臂长度。
在本专利申请的一个方面的至少一实施例中,所述外弹臂的臂长度小于所述内弹臂的臂长度,并且所述外触点自所述筒状元件的筒体凸起的距离小于所述内触点自所述筒状元件的筒体凸起的距离。
在本专利申请的一个方面的至少一实施例中,所述多个弹性梁彼此平行并且两端对齐,从而每一个弹性梁的外触点与相邻弹性梁的内触点沿着所述筒状元件的圆周方向交错排列。
在本专利申请的一个方面的至少一实施例中,所述弹性接触件由单片导电材料形成。
在本专利申请的一个方面的至少一实施例中,所述弹性接触件是通过将所述单片导电材料卷绕而形成的。
在本专利申请的一个方面的至少一实施例中,卷绕而成的所述弹性接触件的所述两端之间具有间隙。
在本专利申请的一个方面的至少一实施例中,所述弹性接触件是冠簧。
在本专利申请的一个方面的至少一实施例中,每一个弹性梁包括一个或多个所述外弹臂,以及一个或多个所述内弹臂。
在本专利申请的另一个方面,提供了一种电连接器,所述电连接器包括:如前述段落中任一段落中所述的弹性接触件;母端子,所述母端子具有安装腔,所述安装腔用于容纳所述弹性接触件,所述安装腔的内壁用于与所述弹性接触件的外弹臂的至少一部分接触;以及公端子,所述公端子用于插入所述母端子的所述安装腔内并与所述弹性接触件的内弹臂的至少一部分接触。
附图说明
为了进一步阐明本专利申请的各实施例的以上和其他优点和特征,将参考附图来呈现本专利申请的各实施例的更具体的描述。应当理解,这些附图只描绘本专利申请的典型实施例,因此将不被认为是对本专利申请所要求保护范围的限制。
图1示出了根据本专利申请的一个实施例的冠簧的立体图。
图2示出了根据本专利申请的一个实施例的冠簧在卷绕前的内侧平面示意图。
图3示出了根据本专利申请的一个实施例的冠簧在卷绕前的侧视图。
图4示出了根据本专利申请的一个实施例的冠簧的根据图1中的视角A的侧视图。
图5示出了根据本专利申请的一个实施例的电连接器中的冠簧、母端子和公端子三者在安装前的示意图。
图6示出了根据本专利申请的一个实施例的电连接器中的公端子与安装有冠簧的母端子在安装前的示意图。
附图标记:
1电连接器
10冠簧
11A第一环状部分
11B第二环状部分
13A第一端
13B第二端
12弹性梁
121外弹臂
123内弹臂
125接合
14第二间隙
15第一间隙
20母端子
21安装腔
30公端子
31公端子的外壁
具体实施方式
下面结合具体实施例和附图对本专利申请作进一步的说明,在以下的描述中阐述了更多的细节以便于充分理解本专利申请,但是本专利申请显然能够以多种不同于此描述的其它方式来实施,本领域技术人员可以在不违背本专利申请内涵的情况下根据实际应用情况作类似推广、演绎,因此不应以此具体实施例的内容限制本专利申请的保护范围。
本申请使用了特定词语来描述本申请的实施例。如“一个实施例”、“其他实施例”、和/或“一些实施例”意指与本申请至少一个实施例相关的某一特征、结构或特点。因此,应强调并注意的是,本说明书中在不同位置两次或多次提及的“一个实施例”或“其他实施例”或“一些实施例”并不一定是指同一实施例。此外,本申请的一个或多个实施例中的某些特征、结构或特点可以进行适当的组合。
应当注意的是,为了筒化本申请披露的表述,从而帮助对一个或多个实施例的理解,后文对本申请实施例的描述中,有时会将多种特征归并至一个实施例、附图或对其的描述中。但是,这种披露方法并不意味着本申请对象所需要的特征比权利要求中提及的特征多。实际上,实施例的特征要少于在下文披露的单个实施例的全部特征。
参照图1-4,图1示出了根据本专利申请的一个实施例的冠簧10的立体图。图2示出了根据本专利申请的一个实施例的冠簧10在卷绕前的内侧平面示意图。图3示出了根据本专利申请的一个实施例的冠簧10在卷绕前的侧视图。图4示出了根据本专利申请的一个实施例的冠簧的根据图1中的视角A的侧视图。参见图1,冠簧10可呈大致筒状结构,包括分别位于两端的第一环状部分11A和第二环状部分11B,以及连接于第一环状部分11A与第二环状部分11B之间的多个弹性梁12。基于冠簧10的这种筒状结构,可定义内侧I和外侧E。沿着圆筒的环方向,冠簧10可具有第一端13A和第二端13B,其中第一端13A与第二端13B之间可具有第一间隙15。第一间隙15的大小可根据需要而进行调整。参见图2,冠簧10可以是由单片导电材料形成的,并且可通过将所述单片导电材料的第一端13A和第二端13B朝向内侧I卷绕形成如图1所示的具有筒状结构的冠簧10。
如图1-2所示,冠簧10可包括多个弹性梁12,这些弹性梁12可彼此平行设置并且两端对齐,并且相邻的弹性梁12之间可具有第二间隙14。每一个弹性梁12可包括形成外弹臂121的部分和形成内弹臂123的部分。沿着冠簧10的圆筒结构的径向方向,外弹臂121向外侧凸起以定义外触点,内弹臂123向内侧凸起以定义内触点。
位置相邻的弹性梁12可反向设置,从而每一个弹性梁12的外弹臂121可与相邻弹性梁12的对应内弹臂123相邻,换言之,每一个弹性梁的外触点与相邻弹性梁的内触点沿着所述筒状元件的圆周方向交错排列。
参见图3,以弹性梁12两端点的连线为弹性梁的纵轴线L,则内弹臂123所定义的内触点(例如为公针触点)到弹性梁轴线L的距离大于外弹臂123所定义的外触点(例如为母针触点)到弹性梁轴线L的距离。在另一些实施例中,内弹臂123所定义的内触点(例如为公针触点)到弹性梁轴线L的距离可以小于外弹臂123所定义的外触点(例如为母针触点)到弹性梁轴线L的距离。
外弹臂121的臂长度可以被确定为等于向外凸起的外弹臂121的弧长。类似地,内弹臂123的臂长度可以被确定为等于向内凸起的内弹臂123的弧长。在一些实施例中,如图1-2所示的,向外凸起的外弹臂121与向内凸起的内弹臂123可相接于接合125处。接合125优选地偏离弹性梁的中心,即外弹臂121的臂长度不同于内弹臂123的臂长度。例如,同一弹性梁12上的外弹臂121的臂长度可以小于或大于同一弹性梁12上的内弹臂123的臂长度。参见图4,同一弹性梁12上的外弹臂121朝向外侧的凸起程度与内弹臂123朝向内侧的凸起程度可以是不同的,从而使得在图4的视角中,内弹臂123所定义的内触点比外弹臂所定义的外触点更为凸出。换言之,沿圆筒的径向方向,外弹臂121向外凸起的距离小于内弹臂123向内凸起的距离。在其他实施例中,沿圆筒的径向方向,外弹臂121向外凸起的距离可以大于内弹臂123向内凸起的距离。
在图5-6所示的应用中,相比于母端子20,冠簧10和公端子30之间更加需要基于弹簧形变而产生的作用力以确保可靠接触。因此,通过差异化设计同一弹性梁12上的外弹臂121和内弹臂123,可以使弹簧形变产生的作用力更加集中发生于冠簧10的内侧(图3的I侧,与公端子接触一侧)。因此,冠簧10在具有较小尺寸(例如,较短的弹性梁12)的情况下获得更好的弹性,从而提高电连接器1(如以下的图5-6中所示的)的电流传输效率。
如图3所示,由于相邻位置的弹性梁12是镜像设置的,因此,冠簧10在装 配中没有正向反向之分,因此,免除了防错设计,并保证了插拔力的一致性。
虽然在以上描述的实施例中,每一个弹性梁12仅包括一个外弹臂121和一个内弹臂123,但在其他实施例中,每一个弹性梁12可以包括一个或多个外弹臂121以及一个或多个内弹臂123。
参照图5-6,图5示出了根据本专利申请的一个实施例的电连接器1中的冠簧10、母端子20和公端子30三者在安装前的示意图。图6示出了根据本专利申请的一个实施例的电连接器1中的公端子30与安装有冠簧10的母端子20在安装前的示意图。
如图5所示,公端子30可具有安装腔21,安装腔21可用于容纳冠簧10和公端子30。冠簧10以及公端子30的形状和尺寸可与母端子20的安装腔21的形状和尺寸相匹配,以便适配安装。如图6所示的,当冠簧10被安装到母端子20的安装腔21内时,安装腔21的内壁可以与冠簧10的外弹臂121的至少一部分(例如,外触点)接触。当将公端子30插入安装有冠簧10的母端子20的安装腔21内时,公端子30的外壁31可以与冠簧10的内弹臂123的至少一部分(例如,内触点)接触。当电连接器1的冠簧10、母端子20和公端子30三者安装在一起时,母端子20的内壁与冠簧10的外弹臂121之间可具有相互作用力,公端子30的外壁31与冠簧10的内弹臂123之间可具有相互作用力,这可以提高母端子20与公端子30之间的连接可靠性并进一步提高电连接器1的电流传输效率。
在其他变化例中,根据实际应用需要,可以使外弹臂所定义的外触点比内弹臂所定义的内触点更为凸出,从而使弹性更为集中于冠簧和母端子之间。
上述实施例中,以“冠簧”来称呼附图标记为10的弹性接触件。应该理解,更为广义的弹性接触件应涵盖一种筒状元件,所述筒状元件包括位于两端的环状部分,以及连接于两端环状部分之间的多个弹性梁。
尽管己经根据本公开的优选实施例描述了本专利申请,然而并不旨在受限于此,而是仅受所附权利要求书中所阐述的范围限制。本领域技术人员应该理解,可对本文中所描述的实施例作出各种修改和改变,而不背离如所附权利要求中所阐述的本专利申请的更宽泛精神和范围。

Claims (13)

  1. 一种弹性接触件,所述弹性接触件为筒状元件,所述筒状元件包括位于两端的环状部分,以及连接于两端的环状部分之间的多个弹性梁,
    其特征在于,每一个弹性梁包括形成外弹臂的部分和形成内弹臂的部分,所述外弹臂沿所述筒状元件的径向向外侧凸起以定义外触点,所述内弹臂沿所述筒状元件的径向内侧凸起以定义内触点,
    沿所述筒状元件的径向,所述外弹臂向外侧凸起的程度和所述内弹臂向内侧凸起的程度不同。
  2. 如权利要求1所述的弹性接触件,其特征在于,以弹性梁两端点的连线为弹性梁轴线,所述内触点到所述弹性梁轴线的距离大于所述外触点到所述弹性梁轴线的距离。
  3. 如权利要求1所述的弹性接触件,其特征在于,以弹性梁两端点的连线为弹性梁轴线,所述内触点到所述弹性梁轴线的距离小于所述外触点到所述弹性梁轴线的距离。
  4. 如权利要求1所述的弹性接触件,其特征在于,所述外弹臂和所述内弹臂的臂长度不相等。
  5. 如权利要求4所述的弹性接触件,其特征在于,所述外弹臂的臂长度大于所述内弹臂的臂长度。
  6. 如权利要求4所述的弹性接触件,其特征在于,所述外弹臂的臂长度小于所述内弹臂的臂长度,并且所述外触点自所述筒状元件的筒体凸起的距离小于所述内触点自所述筒状元件的筒体凸起的距离。
  7. 如权利要求1-6中任一项所述的弹性接触件,其特征在于,所述多个弹性梁彼此平行并且两端对齐,从而每一个弹性梁的外触点与相邻弹性梁的内触点沿着 所述筒状元件的圆周方向交错排列。
  8. 如权利要求1-6中任一项所述的弹性接触件,其特征在于,所述弹性接触件由单片导电材料形成。
  9. 如权利要求8所述的弹性接触件,其特征在于,所述弹性接触件是通过将所述单片导电材料卷绕而形成的。
  10. 如权利要求9所述的弹性接触件,其特征在于,卷绕而成的所述弹性接触件的所述两端之间具有间隙。
  11. 如权利要求1所述的弹性接触件,其特征在于,所述弹性接触件是冠簧。
  12. 如权利要求1所述的弹性接触件,其特征在于,每一个弹性梁包括一个或多个所述外弹臂,以及一个或多个所述内弹臂。
  13. 一种电连接器,其特征在于,所述电连接器包括:
    如权利要求1-12中任一项所述的弹性接触件;
    母端子,所述母端子具有安装腔,所述安装腔用于容纳所述弹性接触件,所述安装腔的内壁用于与所述弹性接触件的外弹臂的至少一部分接触;以及
    公端子,所述公端子用于插入所述母端子的所述安装腔内并与所述弹性接触件的内弹臂的至少一部分接触。
PCT/CN2023/076671 2022-03-31 2023-02-17 弹性接触件和电连接器 WO2023185304A1 (zh)

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