TWI625003B - Electrical connector - Google Patents
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- TWI625003B TWI625003B TW106144080A TW106144080A TWI625003B TW I625003 B TWI625003 B TW I625003B TW 106144080 A TW106144080 A TW 106144080A TW 106144080 A TW106144080 A TW 106144080A TW I625003 B TWI625003 B TW I625003B
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Abstract
一種電連接器,包含絕緣殼體、多個導電端子及板緊固件。絕緣殼體具有在對接方向上位於相反兩側的安裝面及對接面,及安裝容室。安裝容室具有頂容置部及自頂容置部在對接方向上延伸且貫穿安裝面的底容置部,界定安裝容室的兩個側壁各自具有界定頂容置部的頂限位面及底限位面。板緊固件具有容置於頂容置部的安裝段、自安裝段延伸且容置於底容置部的中間段,及自中間段延伸出安裝面的尾段。安裝段具有分別抵靠於兩底限位面的兩個抵靠肩部,及分別抵靠於兩頂限位面的兩個卡持彈臂,以使安裝段在對接方向上由兩頂限位面及兩底限位面共同限位。 An electrical connector includes an insulative housing, a plurality of electrically conductive terminals, and a plate fastener. The insulating housing has mounting surfaces and abutting surfaces on opposite sides in the mating direction, and a mounting chamber. The mounting chamber has a top receiving portion and a bottom receiving portion extending from the top receiving portion in the mating direction and extending through the mounting surface, and the two side walls defining the mounting chamber each have a top limiting surface defining the top receiving portion and Bottom limit surface. The panel fastener has a mounting section received in the top receiving portion, an intermediate section extending from the mounting section and accommodated in the bottom receiving portion, and a tail section extending from the intermediate section to the mounting surface. The mounting section has two abutting shoulders respectively abutting the limiting surfaces of the two bottoms, and two holding elastic arms respectively abutting the two limiting surfaces, so that the mounting sections are bounded by two ceilings in the docking direction The plane and the two bottom limit faces are jointly limited.
Description
本發明是有關於一種電連接器,特別是指一種具有板緊固件以固定於電路板的電連接器。 This invention relates to an electrical connector, and more particularly to an electrical connector having a panel fastener for attachment to a circuit board.
現有一些電連接器需藉由固定在絕緣殼體的鎖固件與電路板結合固定。例如美國專利第US 5269694號公開一種電連接器,其利用鎖固件(locking clip)固定在電路板。該鎖固件大致由金屬板沖壓形成,並具有兩個撕裂形成且朝板體的其中一板面方向彎折凸出板面的鎖固凸片(locking tab),藉由鎖固凸片固定在絕緣殼體。然而,鎖固凸片這樣的構造在撕裂處容易裂開而降低鎖固件整體的強度,而且鎖固凸片長度短且較硬,在組裝過程容易刮擦絕緣殼體的孔壁面而產生破壞性干涉,不容易組裝。 Some existing electrical connectors need to be fixed in combination with a circuit board by a fastener fixed to the insulating housing. For example, U.S. Patent No. 5,269,694 discloses an electrical connector that is secured to a circuit board using a locking clip. The locking member is formed by stamping a metal plate, and has two locking tabs which are formed by tearing and are bent toward the one surface of the board body to protrude from the board surface, and are fixed by the locking tabs. In the insulation housing. However, such a structure of the locking tab is easily cracked at the tearing portion to lower the strength of the entire fastener, and the locking tab has a short and hard length, and is easy to scrape the hole wall surface of the insulating casing to cause damage during assembly. Sexual interference is not easy to assemble.
另例如中國專利第95121124.2號(美國對應案第US5632649號)公開一種緊固裝置用於將電連接器組件固裝至電路板,該緊固裝置容納在絕緣殼體的容腔內,界定該容腔的壁面形成兩個相向凸出的台肩,台肩具有位於相反側的上表面及下表面。緊固裝置具有兩個分別往兩側朝外延伸的擋塊並在擋塊末端形成 可靠抵於台肩的上表面的端頭,以及兩個朝上並往外斜向延伸且頂緣可分別靠抵於台肩的下表面的止位翼。安裝緊固裝置時,兩止位翼通過台肩的過程中會被擠壓而往相對靠近的方向彈性偏移,待通過台肩後再彈性復位而使頂緣靠抵於台肩的下表面。該緊固裝置需要設定成使擋塊的端頭與止位翼的頂緣之間的距離稍小於台肩的上表面與下表面之間的距離,以使擋塊與止位翼能確實地將台肩夾置而固定。但是如此的設定必須更準確的控制擋塊的端頭與止位翼的頂緣之間的距離,並且要準確地控制插入力,否則,緊固裝置的止位翼無法朝向台肩的下表面彈性地偏折,會產生卡件而無法組裝。而且擋塊與止位翼排佈在上下位置且具有一段距離,使整個緊固裝置的長度過長,在一些有空間限制或緊湊型的電連接器不一定適用。 Further, for example, Chinese Patent No. 95121124.2 (U.S. Patent No. 5,632,649) discloses a fastening device for fixing an electrical connector assembly to a circuit board, the fastening device being housed in a cavity of the insulative housing, defining the capacity. The wall of the cavity forms two oppositely projecting shoulders, the shoulder having an upper surface and a lower surface on opposite sides. The fastening device has two stops extending outwardly toward the sides and forming at the ends of the stops The end of the upper surface of the shoulder is secured to the shoulder, and the two end flaps extend upwardly and outwardly and the top edge can respectively abut against the lower surface of the shoulder. When the fastening device is installed, the two stop wings are squeezed during the passage of the shoulder to be elastically offset in a relatively close direction, and then elastically reset after passing through the shoulder to make the top edge abut against the lower surface of the shoulder. . The fastening device needs to be set such that the distance between the end of the stop and the top edge of the stop wing is slightly smaller than the distance between the upper surface and the lower surface of the shoulder, so that the stop and the stop wing can be surely The shoulders are clamped and fixed. However, such a setting must more accurately control the distance between the end of the stop and the top edge of the stop wing, and the insertion force must be accurately controlled. Otherwise, the stop wing of the fastening device cannot face the lower surface of the shoulder. Elastically deflected, a clip is created and cannot be assembled. Moreover, the stopper and the stop wing are arranged in the upper and lower positions and have a certain distance, so that the length of the entire fastening device is too long, and some electrical connectors having space restrictions or compactness are not necessarily applicable.
因此,本發明之其中一目的,即在提供一種具有能夠縮短尺寸且能具有較佳強度及固持力的板緊固件的電連接器。 Accordingly, it is an object of the present invention to provide an electrical connector having a panel fastener that can be reduced in size and that provides better strength and retention.
於是,本發明電連接器在一些實施態樣中,是包含一絕緣殼體、設於該絕緣殼體的多個導電端子,及至少一板緊固件。該絕緣殼體具有在一對接方向上位於相反兩側的一安裝面及一對接面,以及至少一安裝容室,該安裝容室在該對接方向上延伸並貫穿該安裝面,且具有一頂容置部及自該頂容置部在該對接方向上延 伸貫穿該安裝面的底容置部,該絕緣殼體還具有在一垂直該對接方向的寬度方向上彼此相對的兩個側壁,且對應各該側壁形成有界定該頂容置部的一頂限位面及一底限位面,該頂限位面朝向該安裝面,該底限位面在該對接方向上與該頂限位面相對且較該頂限位面靠近該底容置部。該至少一板緊固件設於該絕緣殼體且對應該至少一安裝容室設置。該板緊固件呈板片狀且具有容置於該頂容置部的一安裝段、自該安裝段延伸且容置於該底容置部的一中間段,及自該中間段延伸出該絕緣殼體的安裝面的一尾段。該安裝段具有連接該中間段的一本體部、分別抵靠於該兩底限位面的兩個抵靠肩部,及自該本體部兩側延伸且末端分別抵靠於該兩頂限位面的兩個卡持彈臂,以使該安裝段在該對接方向上由該兩頂限位面及該兩底限位面共同限位。 Thus, in some embodiments, the electrical connector of the present invention includes an insulative housing, a plurality of electrically conductive terminals disposed on the insulative housing, and at least one panel fastener. The insulating housing has a mounting surface and a pair of connecting surfaces on opposite sides in a pair of connecting directions, and at least one mounting chamber extending in the mating direction and extending through the mounting surface, and having a top The accommodating portion and the top accommodating portion are extended in the docking direction Extending through the bottom receiving portion of the mounting surface, the insulating housing further has two side walls opposite to each other in a width direction perpendicular to the mating direction, and corresponding to each of the side walls is formed with a top portion defining the top receiving portion a limiting surface and a bottom limiting surface, the top limiting surface faces the mounting surface, the bottom limiting surface is opposite to the top limiting surface in the mating direction and is closer to the bottom receiving portion than the top limiting surface . The at least one panel fastener is disposed on the insulative housing and corresponds to at least one mounting chamber. The plate fastener has a plate shape and has a mounting portion received in the top receiving portion, extends from the mounting portion and is received in an intermediate portion of the bottom receiving portion, and extends from the intermediate portion a tail section of the mounting surface of the insulating housing. The mounting section has a body portion connected to the intermediate portion, two abutting shoulders respectively abutting the two bottom limiting surfaces, and extending from both sides of the body portion and the ends respectively abutting the two top limits The two clamping arms of the face are arranged such that the mounting segments are jointly limited by the two top limiting faces and the two bottom limiting faces in the mating direction.
在一些實施態樣中,每一卡持彈臂具有連接該本體部的一橫向部,且該兩卡持彈臂的橫向部朝向該安裝面的一側分別形成該兩抵靠肩部。 In some embodiments, each of the latch arms has a lateral portion that connects the body portion, and the lateral portions of the two latch arms respectively form the abutting shoulders toward a side of the mounting surface.
在一些實施態樣中,該頂容置部在該寬度方向上的寬度大於該底容置部的寬度,且在該頂容置部與該底容置部的交界處形成該底限位面,而且該兩側壁各設有形成該頂限位面的一限位塊,分別在該兩側壁的兩限位塊之間的最小距離小於該兩卡持彈臂之間的最大距離。 In some implementations, the width of the top receiving portion in the width direction is greater than the width of the bottom receiving portion, and the bottom limiting surface is formed at a boundary between the top receiving portion and the bottom receiving portion. And the two side walls are respectively provided with a limiting block forming the top limiting surface, and the minimum distance between the two limiting blocks of the two side walls is smaller than the maximum distance between the two holding elastic arms.
在一些實施態樣中,每一限位塊還形成在該對接方向上位於該頂限位面相反側的一導引面,該兩限位塊的導引面互相朝相對方向且偏向該安裝面斜向延伸,該兩側壁各自形成在該對接方向上延伸且鄰接對應的該導引面的一導引槽,以於安裝該板緊固件時藉由該等導引槽及導引面導引該兩卡持彈臂進入該頂容置部。 In some embodiments, each of the limiting blocks further forms a guiding surface on the opposite side of the top limiting surface in the mating direction, and the guiding surfaces of the two limiting blocks face each other in opposite directions and are biased toward the mounting. The side walls extend obliquely, and the two side walls respectively form a guiding slot extending in the mating direction and adjacent to the corresponding guiding surface, so as to guide the guiding slot and the guiding surface when the board fastener is mounted The two card holding arms are introduced into the top receiving portion.
在一些實施態樣中,每一卡持彈臂還具有由該橫向部彎折並在該對接方向上往遠離該安裝面方向延伸的一直向延伸部,及由該直向延伸部往遠離該安裝面延伸且逐漸遠離該本體部的一斜向延伸部。 In some embodiments, each of the latch arms further has a straight extending portion bent by the lateral portion and extending away from the mounting surface in the mating direction, and the straight extending portion is away from the straight extending portion The mounting surface extends and gradually moves away from an oblique extension of the body portion.
在一些實施態樣中,該板緊固件還具有凸出該中間段在該寬度方向上的兩側的多個干涉凸塊以與該底容置部產生干涉。 In some embodiments, the panel fastener further has a plurality of interference bumps projecting on both sides of the intermediate section in the width direction to interfere with the bottom receptacle.
在一些實施態樣中,該尾段由該中間段整體成片狀延伸以適用於焊接。 In some embodiments, the tail section extends integrally from the intermediate section into a sheet for application to welding.
在一些實施態樣中,該尾段由該中間段呈分叉狀延伸而成為兩個插腳。 In some embodiments, the tail section extends from the intermediate section in a bifurcated manner to form two prongs.
在一些實施態樣中,該絕緣殼體還具有分別自該兩頂限位面處在該對接方向上朝該安裝面延伸且在該寬度方向貫穿該兩側壁的兩個凹部。 In some embodiments, the insulative housing further has two recesses extending from the two top limiting faces toward the mounting surface in the mating direction and extending through the sidewalls in the width direction.
本發明至少具有以下功效:通過板緊固件的安裝段的兩側一體構成的卡持彈臂與絕緣殼體之間非破壞性的限位抵靠構 造,能夠更強壯地且穩固地使該板緊固件組裝在絕緣殼體上,特別是更能夠承受機械性的衝擊(shock)及振動(vibration)。而且利用卡持彈臂直接構成能在該對接方向上被絕緣殼體限位的構造,能夠有效緊湊化板緊固件的尺寸。 The invention has at least the following effects: a non-destructive limit abutment between the latching arm and the insulating shell integrally formed on both sides of the mounting section of the panel fastener The plate fastener can be assembled more strongly and firmly on the insulating housing, in particular, it can withstand mechanical shock and vibration. Moreover, the structure in which the insulating housing can be restrained in the mating direction is directly constituted by the holding arm, and the size of the board fastener can be effectively reduced.
100‧‧‧電連接器 100‧‧‧Electrical connector
1‧‧‧絕緣殼體 1‧‧‧Insulated housing
11‧‧‧安裝面 11‧‧‧Installation surface
12‧‧‧對接面 12‧‧‧ docking
121‧‧‧插槽 121‧‧‧ slots
13‧‧‧安裝容室 13‧‧‧Installation room
131‧‧‧頂容置部 131‧‧‧Top accommodation
132‧‧‧底容置部 132‧‧‧Bottom Department
14‧‧‧側壁 14‧‧‧ side wall
141‧‧‧頂限位面 141‧‧‧top limit surface
142‧‧‧底限位面 142‧‧‧Bottom limit surface
143‧‧‧限位塊 143‧‧‧Limited blocks
144‧‧‧導引面 144‧‧‧ Guide surface
145‧‧‧導引槽 145‧‧‧ guiding slot
15‧‧‧圍繞壁 15‧‧‧ Around the wall
16‧‧‧凹部 16‧‧‧ recess
2‧‧‧導電端子 2‧‧‧Electrical terminals
3‧‧‧板緊固件 3‧‧‧ board fasteners
31‧‧‧安裝段 31‧‧‧Installation section
311‧‧‧本體部 311‧‧‧ Body Department
312‧‧‧抵靠肩部 312‧‧‧After the shoulder
313‧‧‧卡持彈臂 313‧‧‧ card holding arm
313a‧‧‧橫向部 313a‧‧‧Transverse Department
313b‧‧‧直向延伸部 313b‧‧‧Direct extension
313c‧‧‧斜向延伸部 313c‧‧‧ oblique extension
32‧‧‧中間段 32‧‧‧ Middle section
33‧‧‧尾段 33‧‧‧End
331‧‧‧插腳 331‧‧‧ pins
34‧‧‧干涉凸塊 34‧‧‧Interference bumps
4‧‧‧電路板 4‧‧‧ boards
41‧‧‧穿孔 41‧‧‧Perforation
42‧‧‧插孔 42‧‧‧ jack
5‧‧‧電子卡 5‧‧‧Electronic card
6‧‧‧鎖扣件 6‧‧‧Locks
D1‧‧‧對接方向 D1‧‧‧ docking direction
D2‧‧‧寬度方向 D2‧‧‧width direction
本發明之其他的特徵及功效,將於參照圖式的實施方式中清楚地呈現,其中:圖1是本發明電連接器的一第一實施例與一電路板及一電子卡的一立體分解圖;圖2是該第一實施例與該電路板的一立體分解圖;圖3是圖2的另一角度視圖;圖4是該第一實施例的一立體分解圖;圖5是圖4的局部區域放大圖;圖6是該第一實施例的局部立體分解剖視圖,其中一鎖扣件未示出;圖7是對應圖6的分解剖視圖;圖8是對應圖6的相反方向的局部立體分解剖視圖;圖9是類似圖8的組合圖;圖10是該第一實施例的局部立體剖視圖; 圖11是該第一實施例與該電路板組裝狀態的一剖視圖,其中該鎖扣件未示出;圖12是本發明電連接器的一第二實施例的一板緊固件的一立體圖;圖13是該第二實施例與一電路板組裝狀態的一剖視圖,其中一鎖扣件未示出;圖14是本發明電連接器的一第三實施例的一板緊固件的一立體圖;圖15是該第三實施例與一電路板組裝狀態的一剖視圖,其中一鎖扣件未示出;圖16是本發明電連接器的一第四實施例的一板緊固件的一立體圖;及圖17是該第四實施例與一電路板組裝狀態的一剖視圖,其中一鎖扣件未示出。 Other features and effects of the present invention will be apparent from the embodiments of the present invention. FIG. 1 is a perspective view of a first embodiment of the electrical connector of the present invention and a circuit board and an electronic card. Figure 2 is an exploded perspective view of the first embodiment and the circuit board; Figure 3 is another perspective view of Figure 2; Figure 4 is an exploded perspective view of the first embodiment; Figure 5 is Figure 4 Figure 6 is a partial perspective exploded view of the first embodiment, wherein a locking member is not shown; Figure 7 is an exploded cross-sectional view corresponding to Figure 6; Figure 8 is a portion corresponding to the opposite direction of Figure 6 Figure 3 is a combination view similar to Figure 8; Figure 10 is a partial perspective cross-sectional view of the first embodiment; Figure 11 is a cross-sectional view showing the assembled state of the first embodiment and the circuit board, wherein the locking member is not shown; Figure 12 is a perspective view of a board fastener of a second embodiment of the electrical connector of the present invention; Figure 13 is a cross-sectional view showing the assembled state of the second embodiment and a circuit board, wherein a locking member is not shown; Figure 14 is a perspective view of a plate fastener of a third embodiment of the electrical connector of the present invention; Figure 15 is a cross-sectional view showing the assembled state of the third embodiment and a circuit board, wherein a locking member is not shown; Figure 16 is a perspective view of a plate fastener of a fourth embodiment of the electrical connector of the present invention; And Fig. 17 is a cross-sectional view showing the assembled state of the fourth embodiment and a circuit board, in which a latch member is not shown.
在本發明被詳細描述之前,應當注意在以下的說明內容中,類似的元件是以相同的編號來表示。 Before the present invention is described in detail, it should be noted that in the following description, similar elements are denoted by the same reference numerals.
參閱圖1至圖3,本發明電連接器之一第一實施例,適用於安裝在一電路板4以電連接一電子卡5。該電連接器100包含一 絕緣殼體1、多個設於該絕緣殼體1的導電端子2,及多個設於該絕緣殼體1的板緊固件3。在第一實施例中,該電連接器100為一種卡緣連接器,且還包含兩個分別樞設於該絕緣殼體1兩端的鎖扣件6以於該電子卡5與該電連接器100對接時將該電子卡5鎖扣固定。該等板緊固件3用以穿設於電路板4上的對應穿孔41,以將該電連接器100固定於該電路板4。板緊固件3的數量可以對應絕緣殼體1的尺寸而調整,在第一實施例中,因應絕緣殼體1為長條狀而設置多個板緊固件3,在變化的實施態樣,若絕緣殼體1尺寸較小亦可只設置一個板緊固件3。 Referring to Figures 1 through 3, a first embodiment of the electrical connector of the present invention is suitable for mounting on a circuit board 4 for electrically connecting an electronic card 5. The electrical connector 100 includes a The insulating case 1 includes a plurality of conductive terminals 2 provided in the insulating case 1 and a plurality of plate fasteners 3 provided in the insulating case 1. In the first embodiment, the electrical connector 100 is a card edge connector, and further includes two locking members 6 respectively disposed at opposite ends of the insulating housing 1 for the electronic card 5 and the electrical connector. When the 100 is docked, the electronic card 5 is locked and fixed. The board fasteners 3 are used to pass through the corresponding through holes 41 on the circuit board 4 to fix the electrical connector 100 to the circuit board 4. The number of the plate fasteners 3 can be adjusted according to the size of the insulating case 1. In the first embodiment, a plurality of plate fasteners 3 are provided in response to the insulating case 1 being elongated, in a modified embodiment, The insulating housing 1 may be small in size or may be provided with only one panel fastener 3.
參閱圖4與圖5,該絕緣殼體1具有在一對接方向D1上位於相反兩側的一安裝面11及一對接面12,以及至少一安裝容室13。在第一實施例中,該對接方向D1為電子卡5(見圖1)與該電連接器100對接的方向,且該對接面12設有一插槽121以供該電子卡5插置。該絕緣殼體1具有多個安裝容室13以分別容置該等板緊固件3,為方便說明起見,以下僅針對一組對應的安裝容室13及板緊固件3說明。 Referring to FIGS. 4 and 5, the insulating housing 1 has a mounting surface 11 and a pair of connecting surfaces 12 on opposite sides in a pair of connecting directions D1, and at least one mounting chamber 13. In the first embodiment, the docking direction D1 is a direction in which the electronic card 5 (see FIG. 1) is docked with the electrical connector 100, and the docking surface 12 is provided with a slot 121 for the electronic card 5 to be inserted. The insulative housing 1 has a plurality of mounting compartments 13 for receiving the panel fasteners 3, respectively. For convenience of explanation, the following description is only for a corresponding set of mounting compartments 13 and panel fasteners 3.
參閱圖6至圖8,該安裝容室13在該對接方向D1上延伸並貫穿該安裝面11,且具有一頂容置部131及自該頂容置部131在該對接方向D1上延伸貫穿該安裝面11的底容置部132。該絕緣殼體1還具有在一垂直該對接方向D1的寬度方向D2上彼此相對的兩個 側壁14,且對應各側壁14形成有界定該頂容置部131的一頂限位面141及一底限位面142,該頂限位面141朝向該安裝面11,該底限位面142在該對接方向D1上與該頂限位面141相對且較該頂限位面141靠近該底容置部132。在第一實施例中,該頂容置部131在該寬度方向D2上的寬度W1大於該底容置部132的寬度W2,藉此在該頂容置部131與該底容置部132的交界處形成該底限位面142。具體而言,在第一實施例中,該絕緣殼體1具有一沿該寬度方向D2連接兩側壁14的圍繞壁15,該底容置部132為貫穿安裝面11且由該圍繞壁15圍繞形成穿槽狀的圍繞空間,圍繞壁15的頂面構成該底限位面142。而且該兩側壁14各設有形成該頂限位面141的一限位塊143。每一限位塊143還形成在該對接方向D1上位於該頂限位面141相反側的一導引面144,該兩限位塊143的導引面144互相朝相對方向且偏向該安裝面11斜向延伸。該兩側壁14各自形成在該對接方向D1上延伸且鄰接對應的該導引面144的一導引槽145。該絕緣殼體1還具有分別自該兩頂限位面141處在該對接方向D1上朝該安裝面11延伸且在該寬度方向D2貫穿該兩側壁14的兩個凹部16,該等凹部16與該頂容置部131相連通。 Referring to FIG. 6 to FIG. 8 , the mounting chamber 13 extends in the mating direction D1 and extends through the mounting surface 11 , and has a top receiving portion 131 extending from the top receiving portion 131 in the mating direction D1 . The bottom receiving portion 132 of the mounting surface 11. The insulating housing 1 further has two opposite to each other in a width direction D2 perpendicular to the butting direction D1 A top limiting surface 141 and a bottom limiting surface 142 defining the top receiving portion 131 are formed on the side wall 14 , and the top limiting surface 141 faces the mounting surface 11 . The bottom limiting surface 142 . The top limiting surface 141 is opposite to the top limiting surface 141 in the mating direction D1 and is adjacent to the bottom receiving portion 132. In the first embodiment, the width W1 of the top receiving portion 131 in the width direction D2 is greater than the width W2 of the bottom receiving portion 132, thereby the top receiving portion 131 and the bottom receiving portion 132 The bottom limit surface 142 is formed at the junction. Specifically, in the first embodiment, the insulative housing 1 has a surrounding wall 15 that connects the two side walls 14 in the width direction D2, and the bottom receiving portion 132 is penetrated by the mounting surface 11 and surrounded by the surrounding wall 15. A perforated surrounding space is formed, and the top limiting surface 142 is formed around the top surface of the wall 15. Moreover, the two side walls 14 are respectively provided with a limiting block 143 forming the top limiting surface 141. Each of the limiting blocks 143 further defines a guiding surface 144 on the opposite side of the top limiting surface 141 in the mating direction D1. The guiding surfaces 144 of the two limiting blocks 143 are opposite to each other and are opposite to the mounting surface. 11 extends obliquely. The two side walls 14 each form a guiding groove 145 extending in the mating direction D1 and adjacent to the corresponding guiding surface 144. The insulative housing 1 further has two recesses 16 extending from the two top limiting surfaces 141 in the mating direction D1 toward the mounting surface 11 and extending through the side walls 14 in the width direction D2. It is in communication with the top housing portion 131.
參閱圖7至圖11,該板緊固件3呈板片狀且具有容置於該頂容置部131的一安裝段31、自該安裝段31延伸且容置於該底容置部132的一中間段32,及自該中間段32延伸出該絕緣殼體1的安 裝面11的一尾段33。該安裝段31具有連接該中間段32的一本體部311、分別抵靠於該兩底限位面142的兩個抵靠肩部312,及自該本體部311兩側延伸且末端分別抵靠於該兩頂限位面141的兩個卡持彈臂313,以使該安裝段31在該對接方向D1上由該兩頂限位面141及該兩底限位面142共同限位。在第一實施例中,每一卡持彈臂313具有連接該本體部311的一橫向部313a、由該橫向部313a彎折並在該對接方向D1上往遠離該安裝面11方向延伸的一直向延伸部313b,及由該直向延伸部313b往遠離該安裝面11延伸且逐漸遠離該本體部311的一斜向延伸部313c,該斜向延伸部313c的末端用以抵靠頂限位面141。而且該兩卡持彈臂313的橫向部313a朝向該安裝面11的一側分別形成該兩抵靠肩部312以抵靠於對應的底限位面142。該板緊固件3還具有凸出該中間段32在該寬度方向D2上的兩側的多個干涉凸塊34,以與穿槽狀的底容置部132處的內壁產生干涉固持作用。將該板緊固件3安裝於絕緣殼體1時是如圖8所示方向由上往下置入該安裝容室13,藉由該等導引槽145及導引面144導引該兩卡持彈臂313進入該頂容置部131。具體而言,如圖11所示,分別在該兩側壁14的兩限位塊143之間的最小距離L1小於兩卡持彈臂313末端之間的最大距離L2。當兩卡持彈臂313順著對應的導引槽145通過限位塊143的導引面144時,兩卡持彈臂313的末端會被擠壓而往相對靠近的方向彈性移動以縮短在寬度方向D2上的 距離,待通過導引面144後,兩卡持彈臂313的末端進入該頂容置部131的空間中,因解除擠壓回復原位而位於對應頂限位面141的下方,同時兩卡持彈臂313的橫向部313a底側(即抵靠肩部312)抵靠於對應的底限位面142,藉此將該板緊固件3在該對接方向D1上限位。通過板緊固件3的安裝段31的兩側一體構成的卡持彈臂313與絕緣殼體1之間非破壞性的限位抵靠構造,能夠更強壯地且穩固地使該板緊固件3組裝在絕緣殼體1上,特別是更能夠承受機械性的衝擊(shock)及振動(vibration)。而且利用卡持彈臂313直接構成能在該對接方向D1上被絕緣殼體1限位的構造,能夠有效緊湊化板緊固件3的尺寸。此外,藉由該等干涉凸塊34與該絕緣殼體1產生干涉,更能增加該板緊固件3對該絕緣殼體1的固持力。再者,在第一實施例中,該尾段33由該中間段32整體成片狀延伸以適用於焊接於該電路板4。如圖11所示,板緊固件3的尾段33穿入電路板4的穿孔41,藉由焊接以將該尾段33與電路板4結合固定,而且焊接後會由固化的焊料對尾段33產生往下的拉力,通過板緊固件3的抵靠肩部312抵靠於絕緣殼體1的底限位面142,此拉力可增加板緊固件3施加於絕緣殼體1的固持力,使絕緣殼體1能更穩固地被固定於電路板4。 Referring to FIG. 7 to FIG. 11 , the board fastener 3 is in the form of a plate and has a mounting portion 31 received in the top receiving portion 131 , extending from the mounting portion 31 and being received in the bottom receiving portion 132 . An intermediate section 32, and an extension of the insulating housing 1 extending from the intermediate section 32 A tail section 33 of the surface 11 is mounted. The mounting portion 31 has a body portion 311 connected to the intermediate portion 32, two abutting shoulder portions 312 respectively abutting the two bottom limiting surfaces 142, and extending from both sides of the body portion 311 and the ends respectively abutting The two latching arms 313 of the two limiting surfaces 141 are arranged such that the mounting sections 31 are jointly restrained by the two limiting surfaces 141 and the two bottom limiting surfaces 142 in the mating direction D1. In the first embodiment, each of the latching arms 313 has a lateral portion 313a connected to the body portion 311, is bent by the lateral portion 313a, and extends in the abutting direction D1 away from the mounting surface 11 To the extending portion 313b, and an oblique extending portion 313c extending away from the mounting surface 11 and gradually away from the mounting portion 11 by the straight extending portion 313b, the end of the oblique extending portion 313c is used to abut the top limit Face 141. Moreover, the two lateral portions 313 of the two holding arms 313 are formed on one side of the mounting surface 11 to form the abutting shoulders 312 to abut the corresponding bottom limiting surface 142. The plate fastener 3 further has a plurality of interference projections 34 projecting on both sides of the intermediate portion 32 in the width direction D2 to cause interference holding action with the inner wall at the groove-shaped bottom receiving portion 132. When the board fasteners 3 are mounted on the insulative housing 1, the mounting chambers 13 are placed from top to bottom in the direction shown in FIG. 8, and the two slots are guided by the guiding slots 145 and the guiding surfaces 144. The holding arm 313 enters the top receiving portion 131. Specifically, as shown in FIG. 11, the minimum distance L1 between the two limiting blocks 143 of the two side walls 14 is smaller than the maximum distance L2 between the ends of the two holding arms 313. When the two holding arms 313 pass the guiding surface 144 of the limiting block 143 along the corresponding guiding groove 145, the ends of the two holding arms 313 are pressed and elastically moved in a relatively close direction to shorten the In the width direction D2 After the guide surface 144 is to be passed, the ends of the two holding arms 313 enter the space of the top receiving portion 131, and are located below the corresponding top limiting surface 141 due to the release of the pressing return position, and the two cards are simultaneously The bottom side of the lateral portion 313a of the holding arm 313 (i.e., the abutting shoulder 312) abuts against the corresponding bottom limiting surface 142, whereby the plate fastener 3 is at the upper limit of the docking direction D1. The non-destructive limiting abutment structure between the latching arm 313 integrally formed on both sides of the mounting section 31 of the panel fastener 3 and the insulative housing 1 enables the panel fastener 3 to be stronger and more securely It is assembled on the insulating housing 1, and is particularly capable of withstanding mechanical shock and vibration. Further, the latching arm 313 directly constitutes a structure that can be restrained by the insulating housing 1 in the mating direction D1, and the size of the panel fastener 3 can be effectively reduced. In addition, by the interference of the interference bumps 34 with the insulating housing 1, the holding force of the panel fastener 3 to the insulating housing 1 can be increased. Moreover, in the first embodiment, the tail section 33 is integrally extended in a sheet shape from the intermediate section 32 to be suitable for soldering to the circuit board 4. As shown in FIG. 11, the tail section 33 of the board fastener 3 penetrates into the through hole 41 of the circuit board 4, and the tail section 33 is fixed to the circuit board 4 by soldering, and the soldered tail is cured by the solder tail. 33 generates a downward pulling force, and the abutting shoulder 312 of the plate fastener 3 abuts against the bottom limiting surface 142 of the insulating housing 1 , and the pulling force increases the holding force of the plate fastener 3 applied to the insulating housing 1 . The insulating case 1 can be fixed to the circuit board 4 more stably.
參閱圖12與圖13,本發明電連接器之一第二實施例,與第一實施例的差異在於:該板緊固件3沒有干涉凸塊34亦可實施。 Referring to Figures 12 and 13, a second embodiment of the electrical connector of the present invention differs from the first embodiment in that the plate fastener 3 can be implemented without interference bumps 34.
參閱圖14與圖15,本發明電連接器之一第三實施例,與第一實施例的差異在於:該板緊固件3的尾段33由該中間段32呈分叉狀延伸而成為兩個插腳331,用以插設固定於電路板4的對應插孔42內。 Referring to Figures 14 and 15, a third embodiment of the electrical connector of the present invention differs from the first embodiment in that the tail section 33 of the panel fastener 3 is bifurcated by the intermediate section 32 to become two The pins 331 are inserted into the corresponding jacks 42 of the circuit board 4.
參閱圖16與圖17,本發明電連接器之一第四實施例,與第三實施例的差異在於:該板緊固件3沒有干涉凸塊34亦可實施。 Referring to Figures 16 and 17, a fourth embodiment of the electrical connector of the present invention differs from the third embodiment in that the plate fastener 3 can be implemented without interference bumps 34.
綜上所述,通過板緊固件3的安裝段31的兩側一體構成的卡持彈臂313與絕緣殼體1之間非破壞性的限位抵靠構造,能夠更強壯地且穩固地使該板緊固件3組裝在絕緣殼體1上,特別是更能夠承受機械性的衝擊及振動。而且利用卡持彈臂313直接構成能在該對接方向D1上被絕緣殼體1限位的構造,能夠有效緊湊化板緊固件3的尺寸。 In summary, the non-destructive limit abutment structure between the latching arm 313 integrally formed on both sides of the mounting section 31 of the panel fastener 3 and the insulative housing 1 can be stronger and more stable. The plate fastener 3 is assembled on the insulative housing 1, and is particularly capable of withstanding mechanical shock and vibration. Further, the latching arm 313 directly constitutes a structure that can be restrained by the insulating housing 1 in the mating direction D1, and the size of the panel fastener 3 can be effectively reduced.
惟以上所述者,僅為本發明之實施例而已,當不能以此限定本發明實施之範圍,凡是依本發明申請專利範圍及專利說明書內容所作之簡單的等效變化與修飾,皆仍屬本發明專利涵蓋之範圍內。 However, the above is only the embodiment of the present invention, and the scope of the invention is not limited thereto, and all the equivalent equivalent changes and modifications according to the scope of the patent application and the patent specification of the present invention are still The scope of the invention is covered.
Claims (9)
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US11081827B2 (en) | 2018-12-13 | 2021-08-03 | Molex, Llc | Protecting cover and board edge connector |
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