WO2019148987A1 - 电源适配器 - Google Patents

电源适配器 Download PDF

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Publication number
WO2019148987A1
WO2019148987A1 PCT/CN2018/121599 CN2018121599W WO2019148987A1 WO 2019148987 A1 WO2019148987 A1 WO 2019148987A1 CN 2018121599 W CN2018121599 W CN 2018121599W WO 2019148987 A1 WO2019148987 A1 WO 2019148987A1
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WO
WIPO (PCT)
Prior art keywords
plug
bump
top block
open position
power adapter
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Application number
PCT/CN2018/121599
Other languages
English (en)
French (fr)
Inventor
黄晓新
Original Assignee
深圳市蓝禾技术有限公司
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Publication date
Application filed by 深圳市蓝禾技术有限公司 filed Critical 深圳市蓝禾技术有限公司
Publication of WO2019148987A1 publication Critical patent/WO2019148987A1/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
    • H01R13/46—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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/629—Additional means for facilitating engagement or disengagement of coupling parts, e.g. aligning or guiding means, levers, gas pressure electrical locking indicators, manufacturing tolerances
    • 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
    • H01R13/62—Means for facilitating engagement or disengagement of coupling parts or for holding them in engagement
    • H01R13/639—Additional means for holding or locking coupling parts together, after engagement, e.g. separate keylock, retainer strap

Definitions

  • the utility model relates to a power adapter, in particular to a power adapter capable of folding a plug.
  • the existing power adapter also has a foldable plug structure, but the plug structure may be retracted during the insertion of the plug into the socket, so that the plug structure is not stable, thereby causing adverse effects such as poor contact with the socket. .
  • the present invention proposes a power adapter capable of preventing the plug from being retracted.
  • the utility model provides a power adapter, which comprises a casing, a base, an adapter body and a plug assembly.
  • the casing is arranged on the base, and the adapter body is mounted on the base and forms a capacity.
  • Positioning, the plug assembly is mounted in the accommodating space, the plug assembly includes a plug and a resilient member, the plug includes a rotating shaft, a protrusion fixed on the rotating shaft, and a work connected to both ends of the rotating shaft
  • the rotating shaft is rotatably mounted in the accommodating space and rotatable between an open position and a closed position, the elastic member including a stopper and elastically disposed on the stopper and the An elastic member between the adapter bodies, wherein the stopper is movable between a first position and a second position, and when the working portion is rotated to the open position, the stopper is Removing the resilient member to the first position and lockingly engaging the tab to secure the plug in the open position; when the working portion needs to be rotated to the closed position, Comment The
  • a partition is disposed in the adapter body, the partition partitions the accommodating space into a first cavity and a second cavity, and the elastic component is disposed in the first cavity In the body, the plug is disposed in the second cavity.
  • the stopper comprises a rod portion and a top block connected to the rod portion, the rod portion has opposite first ends and second ends, and the first end is provided with a stud.
  • the elastic member is sleeved on the protruding post and elastically abuts between the first end and an inner wall of the adapter body to apply a resilient bias toward the rod portion away from the elastic member.
  • the second end extends out of the adapter body to enable a user to operate.
  • the partition is provided with an opening, the top block is disposed in the opening, and the width of the opening is greater than the width of the top block, so that the top block can be in the elastic component and the external force Moving between the first position and the second position.
  • the top block has a square structure and is configured to abut the top side of the bump to cause the plug to be fixed when the bump is rotated to the open position. In the open position, the top block abuts against the side of the bump when the bump is rotated to the closed position.
  • the top block is provided with a plug toward a side of the bump
  • the protrusion is provided with a socket for inserting the pin toward a side of the top block, and is configured to be
  • the bump is a fan-shaped structure extending in a circumferential direction of the rotating shaft.
  • the housing, the base and the corresponding working portion on the adapter body are respectively provided with receiving grooves for receiving the working portion.
  • the present invention provides a power adapter capable of preventing the plug from retreating, the plug of the power adapter being rotatable between an open position and a closed position.
  • the top block of the stopper is used to lock the projection provided on the rotating shaft of the plug, so that the working portion of the plug is fixed in the open position without falling back.
  • the top block is movable between the first position and the second position under the elastic bias of the elastic member, and one end of the stopper protrudes out of the casing, and when the plug needs to return to the closed position, the stopper is extended by the external force. An end outside the housing moves the top block to unlock the bump.
  • Figure 1 is an exploded perspective view of the power adapter of the present invention.
  • FIG. 2 is a schematic view of the plug of the power adapter of the present invention in a closed position.
  • Figure 3 is a schematic view of the plug of the power adapter of the present invention in an open position.
  • FIG. 4 is a schematic view showing the internal structure of the power adapter of the present invention in a closed position in an embodiment.
  • FIG. 5 is a schematic view showing the internal structure of the plug of the power adapter of FIG. 4 in an open position.
  • FIG. 6 is a schematic view showing the internal structure of the power adapter of the present invention in a closed position in another embodiment.
  • Figure 7 is a schematic view showing the internal structure of the plug of the power adapter of Figure 6 in an open position.
  • the present invention provides a power adapter 10 that includes a housing 12, a circuit board 14, a stationary component 16, a conductive component 18, a base 20, an adapter body 22, and a header assembly.
  • the housing 12 is disposed on the base 20, and the circuit board 14, the conductive element 16, and the fixing component 18 are all mounted in the housing 12.
  • the adapter body 22 is mounted on the base 20 and defines an accommodation space 24, the plug The assembly is mounted within the housing space 24.
  • the plug assembly includes a plug 26 and an elastic member.
  • the plug 26 includes a rotating shaft 28, a protrusion 30 fixed on the rotating shaft 28, and a working portion 32 fixedly coupled to the two ends of the rotating shaft 28.
  • the rotating shaft 28 is rotatably mounted in the accommodating space 24, due to the convex block 30 and the working portion 32. Both are fixed to the rotating shaft 28, so that the rotating block 30 and the working portion 32 rotate together with the rotating shaft 28 when the rotating shaft 28 rotates. More specifically, the spindle 28 is rotatable between an open position 34 and a closed position 36 by an external force, such as a finger plucking.
  • the working portion 32 When the plug 26 is in the open position 34, the working portion 32 can be directly inserted into the corresponding socket; when the plug 26 is in the closed position 36, the working portion 32 is closed onto the adapter body 32.
  • the housing 12, the base 20 and the side wall of the adapter body 22 are respectively provided with receiving slots 38 at positions corresponding to the working portions 32 for receiving the working portion 32 when the plug 26 is closed to the adapter body 22.
  • the bumps 30 are fan-shaped structures extending along the circumferential direction of the rotating shaft 28. In other embodiments, the bumps 30 may also be implemented in other shapes, and the present invention is not limited thereto.
  • a partition 40 is disposed in the adapter body 32.
  • the partition 40 divides the accommodating space 24 into two cavities, which are a first cavity 42 and a second cavity 44, respectively.
  • the elastic member is disposed within the first cavity 42
  • the plug 26 is disposed within the second cavity 44.
  • the resilient member includes a stop member 46 and an elastic member 48 that is resiliently disposed between the stop member 46 and the adapter body 22, such as a spring.
  • the resilient member 48 applies a resilient bias to the stop member 46 that is remote from the resilient member 48 such that the stop member 46 is movable between a first position 50 and a second position 52.
  • the stop 46 includes a stem portion 54 and a top block 56 that is coupled to the stem portion 54.
  • the stem portion 54 has opposite first and second ends 58 and 60, and the top block 56 is vertically connected to the first end 58 of the stem portion 54.
  • the first end 58 of the rod portion 54 extends toward the elastic member 48 to form a protrusion 62.
  • the elastic member 48 is sleeved on the boss 62 and elastically abuts between the first end 58 and the inner wall of the adapter body 22 to A resilient bias is applied to the stem portion 54 that faces away from the resilient member 48.
  • the second end 60 of the stem portion 54 extends out of the adapter body 22 for the user to press.
  • the adapter body 22 and the housing 12 are each provided with a through hole at a position corresponding to the second end 60 of the stem for the rod portion 54 to pass therethrough.
  • the partition 40 is provided with an opening 64.
  • the top block 56 is disposed through the opening 64, and the width of the opening 64 is set to be larger than the width of the top block 56, so that the top block 56 can be firstly acted upon by the elastic member 48 and the external force pressing. Movement between position 50 and second position 52.
  • the top block 56 has a square configuration and is configured such that when the bump 30 is rotated to the open position 34, the top block 56 abuts against the side of the bump 30 toward the partition 40. So that the plug 26 is locked in the open position and cannot be retracted, at this time the top block 56 is in the first position 50, as shown in FIG.
  • the second end 60 of the stem portion 54 is pressed from the outside of the power adapter 10 such that the top block 56 moves from the first position 50 to the second position 52, releasing the card against the bump 30. Solid, then the plug 26 is toggled back to the closed position 36, at which point the top block 56 abuts against the side of the bump 30, as in FIG.
  • the top block 56 is provided with a latch 66 toward the side of the bump 30.
  • the side of the bump 30 facing the top block 56 is provided with a jack for the plug 66 to be inserted. 68, and configured such that when the lug 30 is rotated to the open position 34, the latch 66 is inserted into the receptacle 68 such that the plug 26 is secured in the open position 34 and cannot be retracted, at which time the top block 56 is in the first position 50, as shown 7.
  • the second end 60 of the stem 54 is pressed from the exterior of the power adapter 10 such that the top block 56 moves from the first position 50 to the second position 52, the latch 66 being received from the receptacle 68
  • the removal is performed to release the locking of the lug 30, and then the plug 26 is toggled back to the closed position 36, at which time the top block 56 abuts against the side of the lug 30, as in FIG.
  • the present invention provides a power adapter capable of preventing the plug from retreating, the plug of the power adapter being rotatable between an open position and a closed position.
  • the top block of the stopper is used to lock the projection provided on the rotating shaft of the plug, so that the working portion of the plug is fixed in the open position without falling back.
  • the top block is movable between the first position and the second position under the elastic bias of the elastic member, and one end of the stopper protrudes out of the casing, and when the plug needs to return to the closed position, the stopper is extended by the external force. An end outside the housing moves the top block to unlock the bump.

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  • Details Of Connecting Devices For Male And Female Coupling (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Abstract

一种电源适配器，包括适配器主体（32）和插头组件，适配器主体（32）形成一容置空间，插头组件安装在容置空间内，插头组件包括插头（26）和弹性部件，插头（26）包括转轴（28）、固定于转轴（28）上的凸块（30）及连接至转轴（28）两端的工作部（32），转轴（28）可转动地安装在容置空间内并可在一打开位置（34）和一闭合位置（36）之间转动，弹性部件包括挡止件（46）及弹性设置于挡止件（46）与适配器主体（32）之间的弹性元件（48），使得挡止件（46）能够在一第一位置（50）和一第二位置（52）之间移动，当工作部（32）转动至打开位置（34）时，挡止件（46）在弹性元件的弹性偏压下移动至第一位置（50）并与凸块（30）锁定连接，以将插头固定在打开位置（34）；当工作部（32）需要转动至闭合位置（36）时，挡止件（46）在外力作用下移动至第二位置（52），以释放插头使其能够回复至闭合位置。

Description

电源适配器 技术领域
本实用新型涉及一种电源适配器，特别涉及一种插头能够折叠的电源适配器。
背景技术
现有的电源适配器也具有能够折叠的插头结构，但这种插头结构在插头伸出适配器插入插座的过程中可能会出现插头回退，使得插头结构不稳固，从而造成与插座接触不良等不利后果。
实用新型内容
有鉴于此，本实用新型提出一种能够防止插头回退的电源适配器。
本实用新型提供一种电源适配器，包括壳体、基座、适配器主体和插头组件，所述壳体罩设在所述基座上，所述适配器主体安装在所述基座上并形成一容置空间，所述插头组件安装在所述容置空间内，所述插头组件包括插头和弹性部件，所述插头包括转轴、固定于所述转轴上的凸块及连接至所述转轴两端的工作部，所述转轴可转动地安装在所述容置空间内并可在一打开位置和一闭合位置之间转动，所述弹性部件包括挡止件及弹性设置于所述挡止件与所述适配器主体之间的弹性元件，使得所述挡止件能够在一第一位置和一第二位置之间移动，当所述工作部转动至所述打开位置时，所述挡止件在所述弹性元件的弹性偏压下移动至所述第一位置并与所述凸块锁定连接，以将 所述插头固定在所述打开位置；当所述工作部需要转动至所述闭合位置时，所述挡止件在外力作用下移动至第二位置，以释放所述插头使其能够回复至所述闭合位置。
在一实施例中，所述适配器主体内设置一隔板，所述隔板将所述容置空间分隔成一第一腔体和一第二腔体，所述弹性部件设置在所述第一腔体内，所述插头设置在所述第二腔体内。
在一实施例中，所述挡止件包括杆部及连接至所述杆部的顶块，所述杆部具有相反的第一端和第二端，所述第一端设有一凸柱，所述弹性元件套设在所述凸柱上并弹性抵靠在所述第一端与所述适配器主体的内壁之间，以对所述杆部施加朝向远离所述弹性元件的弹性偏压，所述第二端伸出所述适配器主体外以使得用户能够操作。
在一实施例中，隔板上设有一开口，所述顶块穿设于所述开口，所述开口的宽度大于所述顶块的宽度，使得所述顶块能够在所述弹性元件及外力作用下在所述第一位置和第二位置之间移动。
在一实施例中，所述顶块呈方形结构，并构造成当所述凸块转动至所述打开位置时，所述顶块抵顶在所述凸块的侧边以使得所述插头固定在所述打开位置，当所述凸块转动至所述闭合位置时，所述顶块抵靠在所述凸块的侧面上。
在一实施例中，所述顶块朝向所述凸块的一侧设有插销，所述凸块朝向所述顶块的一侧设有供所述插销插入的插孔，并构造成当所述凸块转动至所述打开位置时，所述插销插入所述插孔以使得所述插头固定在所述打开位置，当所述凸块转动至所述闭合位置时，所述插销抵靠在所述凸块的侧面上。
在一实施例中，所述凸块为沿所述转轴的周向延伸的扇形结构。
在一实施例中，所述壳体、基座及适配器主体上对应工作部分别设有用于收纳所述工作部的容置槽。
综上所述，本实用新型提供一种能够防止插头回退的电源适配器，该电源适配器的插头能够在打开位置和闭合位置之间转动。当插头位于打开位置时，利用一挡止件的顶块锁住设置在插头的转轴上的凸块，使得插头的工作部固定在打开位置而不会发生回退。顶块在一弹性元件的弹性偏压下能够在第一位置和第二位置之间移动，挡止件的一端伸出壳体外，当插头需要回复至闭合位置时，通过外力按压挡止件伸出壳体外的一端使得顶块移动以解除对凸块的锁定。
附图说明
图1为本实用新型的电源适配器的分解示意图。
图2为本实用新型的电源适配器的插头位于闭合位置的示意图。
图3为本实用新型的电源适配器的插头位于打开位置的示意图。
图4为本实用新型的电源适配器在一实施例中插头位于闭合位置的内部结构示意图。
图5为图4中的电源适配器的插头位于打开位置的内部结构示意图。
图6为本实用新型的电源适配器在另一实施例中插头位于闭合位置的内部结构示意图。
图7为图6中的电源适配器的插头位于打开位置的内部结构示意图。
具体实施方式
在详细描述实施例之前，应该理解的是，本实用新型不限于本申请中下文或附图中所描述的详细结构或元件排布。本实用新型可为其它方式实现的实施例。而且，应当理解，本文所使用的措辞及术语仅仅用作描述用途，不应作限定性解释。本文所使用的“包括”、“包含”、“具有”等类似措辞意为包含其后所列出之事项、其等同物及其它附加事项。特别是，当描述“一个某元件”时，本实用新型并不限定该元件的数量为一个，也可以包括多个。
如图1-3所示，本实用新型提供一种电源适配器10，该电源适配器10包括壳体12、电路板14、固定元件16、导电元件18、基座20、适配器主体22和插头组件。其中，壳体12罩设在基座20上，电路板14、导电元件16、固定元件18均安装在壳体12内，适配器主体22安装在基座20上并形成一容置空间24，插头组件安装在容置空间24内。
插头组件包括插头26和弹性部件。其中，插头26包括转轴28、固定于转轴28上的凸块30及固定连接至转轴28两端的工作部32，转轴28可转动地安装在容置空间24内，由于凸块30和工作部32均固定在转轴28上，因此转轴28转动时凸块30和工作部32跟随转轴28一起转动。更具体地，转轴28在外力作用，例如手指拨动下能够在一打开位置34和一闭合位置36之间转动。当插头26位于打开位置34时，工作部32可直接插入对应的插座内；当插头26位于闭合位置36时，工作部32闭合至适配器主体32上。壳体12、基座20及适配器主体22的侧壁上对应工作部32的位置分别设有容置槽38，当插头26闭合至适配器主体22上时用于收纳工作部32。
在所示的实施例中，凸块30为沿转轴28的周向延伸的扇形结构，在其他实施例中，凸块30也可以实施为其他形状，本实用新型并不对此限定。
适配器主体32内设置有一隔板40，隔板40将容置空间24分隔成两个腔体，分别为第一腔体42和第二腔体44。其中，弹性部件设置在第一腔体42内，插头26设置在第二腔体44内。
弹性部件包括挡止件46及弹性设置于挡止件46与适配器主体22之间的弹性元件48，弹性元件48例如为弹簧。弹性元件48对挡止件46施加远离弹性元件48的弹性偏压，使得挡止件46能够在一第一位置50和第二位置52之间移动。当工作部32转动至打开位置34时，挡止件46在弹性元件48的弹性偏压下移动至第一位置50并与凸块30锁定连接，以将插头26固定在打开位置34；当工作部32需要转动至闭合位置36时，挡止件46在外力作用下移动至第二位置52，以释放插头26使其能够回复至闭合位置36。
具体而言，挡止件46包括杆部54及连接至杆部54的顶块56。杆部54具有相反的第一端58和第二端60，顶块56垂直连接至杆部54的第一端58。杆部54的第一端58朝向弹性元件48的方向延伸形成一凸柱62，弹性元件48套设在凸柱62上并弹性抵靠在第一端58与适配器主体22的内壁之间，以对杆部54施加朝向远离弹性元件48的弹性偏压。杆部54的第二端60伸出适配器主体22外以供用户按压。在所示的实施例中，适配器主体22和壳体12对应杆部第二端60的位置分别设有通孔，以供杆部54穿过。隔板40上设有一开口64，顶块56穿设于开口64，且开口64的宽度设置为大于顶块56的宽度，使得顶块56能够在弹性元件48及外力按压的作用下在第一位置50和第二位置52之间移动。
在如图4-5所示的实施例中，顶块56呈方形结构，并构造成当凸块30转动至打开位置34时，顶块56抵顶在凸块30朝向隔板40的侧边上以使得插头26卡固在打开位置而无法回退，此时顶块56位于第一位置50，如图5。当凸块30需要转动至闭合位置36时，从电源适配器10外部按压杆部54的第二端60，使得顶块56从第一位置50移动至第二位置52，解除对凸块30的卡固，然后拨动插头26使其回复至闭合位置36，此时顶块56抵靠在凸块30的侧面上，如图4。
在如图6-7所示的实施例中，顶块56朝向凸块30的一侧设有插销66，对应地，凸块30朝向顶块56的一侧设有供插销66插入的插孔68，并构造成当凸块30转动至打开位置34时，插销66插入插孔68内以使得插头26固定在打开位置34而无法回退，此时顶块56位于第一位置50，如图7。当凸块30需要转动至闭合位置36时，从电源适配器10外部按压杆部54的第二端60，使得顶块56从第一位置50移动至第二位置52，插销66从插孔68内移出，以解除对凸块30的锁固，然后拨动插头26使其回复至闭合位置36，此时顶块56抵靠在凸块30的侧面上，如图6。
综上所述，本实用新型提供一种能够防止插头回退的电源适配器，该电源适配器的插头能够在打开位置和闭合位置之间转动。当插头位于打开位置时，利用一挡止件的顶块锁住设置在插头的转轴上的凸块，使得插头的工作部固定在打开位置而不会发生回退。顶块在一弹性元件的弹性偏压下能够在第一位置和第二位置之间移动，挡止件的一端伸出壳体外，当插头需要回复至闭合位置时，通过外力按压挡止件伸出壳体外的一端使得顶块移动以解除对凸块的锁定。
本文所描述的概念在不偏离其精神和特性的情况下可以实施成其它形式。所公开的具体实施例应被视为例示性而不是限制性的。因 此，本实用新型的范围是由所附的权利要求，而不是根据之前的这些描述进行确定。在权利要求的字面意义及等同范围内的任何改变都应属于这些权利要求的范围。

Claims (8)

  1. 一种电源适配器，包括壳体、基座、适配器主体和插头组件，所述壳体罩设在所述基座上，所述适配器主体安装在所述基座上并形成一容置空间，所述插头组件安装在所述容置空间内，其特征在于，所述插头组件包括插头和弹性部件，所述插头包括转轴、固定于所述转轴上的凸块及连接至所述转轴两端的工作部，所述转轴可转动地安装在所述容置空间内并可在一打开位置和一闭合位置之间转动，所述弹性部件包括挡止件及弹性设置于所述挡止件与所述适配器主体之间的弹性元件，使得所述挡止件能够在一第一位置和一第二位置之间移动，当所述工作部转动至所述打开位置时，所述挡止件在所述弹性元件的弹性偏压下移动至所述第一位置并与所述凸块锁定连接，以将所述插头固定在所述打开位置；当所述工作部需要转动至所述闭合位置时，所述挡止件在外力作用下移动至第二位置，以释放所述插头使其能够回复至所述闭合位置。
  2. 如权利要求1所述的电源适配器，其特征在于，所述适配器主体内设置一隔板，所述隔板将所述容置空间分隔成一第一腔体和一第二腔体，所述弹性部件设置在所述第一腔体内，所述插头设置在所述第二腔体内。
  3. 如权利要求2所述的电源适配器，其特征在于，所述挡止件包括杆部及连接至所述杆部的顶块，所述杆部具有相反的第一端和第二端，所述第一端设有一凸柱，所述弹性元件套设在所述凸柱上并弹性抵靠在所述第一端与所述适配器主体的内壁之间，以对所述杆部施加朝向远离所述弹性元件的弹性偏压，所述第二端伸出所述适配器主体外以使得用户能够操作。
  4. 如权利要求3所述的电源适配器，其特征在于，隔板上设有一开口，所述顶块穿设于所述开口，所述开口的宽度大于所述顶块的宽度，使得所述顶块能够在所述弹性元件及外力作用下在所述第一位置和第二位置之间移动。
  5. 如权利要求4所述的电源适配器，其特征在于，所述顶块呈方形结构，并构造成当所述凸块转动至所述打开位置时，所述顶块抵顶在所述凸块的侧边以使得所述插头固定在所述打开位置，当所述凸块转动至所述闭合位置时，所述顶块抵靠在所述凸块的侧面上。
  6. 如权利要求4所述的电源适配器，其特征在于，所述顶块朝向所述凸块的一侧设有插销，所述凸块朝向所述顶块的一侧设有供所述插销插入的插孔，并构造成当所述凸块转动至所述打开位置时，所述插销插入所述插孔以使得所述插头固定在所述打开位置，当所述凸块转动至所述闭合位置时，所述插销抵靠在所述凸块的侧面上。
  7. 如权利要求1所述的电源适配器，其特征在于，所述凸块为沿所述转轴的周向延伸的扇形结构。
  8. 如权利要求1所述的电源适配器，其特征在于，所述壳体、基座及适配器主体上对应工作部分别设有用于收纳所述工作部的容置槽。
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