WO2021098199A1 - 一种防水防潮插座 - Google Patents

一种防水防潮插座 Download PDF

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Publication number
WO2021098199A1
WO2021098199A1 PCT/CN2020/096179 CN2020096179W WO2021098199A1 WO 2021098199 A1 WO2021098199 A1 WO 2021098199A1 CN 2020096179 W CN2020096179 W CN 2020096179W WO 2021098199 A1 WO2021098199 A1 WO 2021098199A1
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WO
WIPO (PCT)
Prior art keywords
waterproof
cover plate
groove
socket
panel
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PCT/CN2020/096179
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English (en)
French (fr)
Inventor
张义杰
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太仓市哲泰天产品设计有限公司
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Publication of WO2021098199A1 publication Critical patent/WO2021098199A1/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
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof 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
    • H01R13/46—Bases; Cases
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5213—Covers
    • 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
    • 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
    • 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
    • H01R13/52—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/5202—Sealing means between parts of housing or between housing part and a wall, e.g. sealing rings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01R—ELECTRICALLY-CONDUCTIVE CONNECTIONS; STRUCTURAL ASSOCIATIONS OF A PLURALITY OF MUTUALLY-INSULATED ELECTRICAL CONNECTING ELEMENTS; COUPLING DEVICES; CURRENT COLLECTORS
    • H01R24/00—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure
    • H01R24/76—Two-part coupling devices, or either of their cooperating parts, characterised by their overall structure with sockets, clips or analogous contacts and secured to apparatus or structure, e.g. to a wall

Definitions

  • the invention relates to the field of electrical appliances, in particular to a waterproof and moisture-proof socket.
  • Waterproof sockets can provide a safer user experience and are becoming more and more popular with the public.
  • waterproof sockets are usually attached to the socket through a waterproof cover, but the cover is generally not tightly sealed, which will cause water vapor to enter the inside of the switch, and the volume is large, and the user is easy to scratch the waterproof cover inadvertently, resulting in waterproof The cover is dropped and damaged; there is also a chip programming that causes the socket to automatically turn off the power when the socket is over water.
  • This waterproof safety cost is relatively high, and water enters the socket, even if the power is safely cut off, it will corrode the copper sheet, causing the copper sheet Rust reduces the service life of the socket.
  • the main purpose of the present invention is to overcome the deficiencies of the prior art, and discloses a waterproof and moisture-proof socket, including functional parts, a panel, a cover plate and a waterproof pad.
  • the front of the panel is recessed.
  • a groove is provided, and a socket hole matched with the functional element is opened in the groove, the functional element is arranged on the back of the panel, the socket hole is circumferentially provided with waterproof protrusions, and the waterproof pad is covered with
  • An opening is provided in the groove and at a corresponding position where the waterproof protrusion is provided, the cover plate is rotatably arranged in the groove on one side, and an annular protrusion is provided on the cover plate, so The annular protrusion and the cover plate form a covering cavity, and when the cover plate is buckled on the panel, the covering cavity covers and wraps the waterproof protrusion, and the waterproof pad has elasticity.
  • a rib is provided on the upper edge of the panel.
  • the cover plate includes an upper cover plate and a lower cover plate, the upper edge of the upper cover plate is rotatably connected with the groove, and the lower edge of the lower cover plate is rotatably connected with the groove.
  • cover plate and the groove are connected by a buckle structure.
  • cover plate is rotatably connected with the groove through a hinge shaft.
  • a handle is provided on the cover plate.
  • the handle has a circular arc shape.
  • a limit block is arranged between the bottom of the groove and the side wall, and the limit block is arranged on one side of the rotation point of the lower cover plate.
  • a blocking block is provided on the side of the groove where the rotation point of the upper cover is arranged, and the upper edge of the upper cover is clamped when the upper cover is turned over.
  • the invention has simple structure and convenient operation.
  • the socket hole is in the closed cavity through the cooperation of the annular protrusion and the waterproof pad, which prevents water vapor from entering the functional part from the socket hole, causing the copper sheet to rust and short circuit, and improves the service life of the socket;
  • the waterproof protrusion provides the socket Insert the space, and guide the water droplets to drip outwards, avoid flowing into the socket hole, and improve the water vapor effect during use.
  • Figure 1 is a schematic structural diagram of a waterproof and moisture-proof socket of the present invention when it is buckled;
  • Figure 2 is a right side view of Figure 1;
  • Figure 3 is a schematic diagram of the structure of the panel
  • Figure 4 is a schematic diagram of the structure of the lower cover
  • Figure 5 is a right side view of Figure 4.
  • Figure 6 is a schematic diagram of the mechanism of the upper cover
  • Figure 7 is a rear view of Figure 6;
  • Figure 8 is a schematic diagram of the structure of the waterproof pad
  • Figure 9 is a schematic diagram of a position during the unfolding process of the lower cover
  • Figure 10 is a schematic structural diagram of the lower cover being completely reopened
  • Figure 11 is a schematic structural diagram of a waterproof and moisture-proof socket using another handle structure
  • a waterproof and moisture-proof socket as shown in Figures 1-8, includes a functional part 1, a panel 2, a cover plate 3 and a waterproof pad 4.
  • the front of the panel 2 is recessed with a groove 21, and the functional part is opened in the groove 21 1
  • the matching socket hole 22, the functional part 1 is set on the back of the panel 2, the socket hole 22 is provided with waterproof protrusions 23 in the circumferential direction, the waterproof pad 4 is attached to the groove 21, and is set at the corresponding position where the waterproof protrusion 23 is provided Opening 41, one side of the cover plate 3 is rotated in the groove 21, the cover plate 3 is provided with a ring-shaped protrusion 31, the ring-shaped protrusion 31 and the cover plate 3 form a covering cavity 32, when the cover plate 3 is buckled on the panel 2 when up, the covering cavity 32 covers the covering waterproof protrusion 23, and the waterproof pad 4 has elasticity.
  • the waterproof pad 4 includes, but is not limited to, the use of silica gel.
  • a waterproof protrusion 23 is provided to provide insertion space for the plug; when in use, the cover 3 is opened. At this time, water vapor in the environment will accumulate on the waterproof pad 4 to form water droplets through the waterproof protrusion 23 guide the water droplets outwards, and will not flow into the socket hole 22; in particular, in order to further ensure that the water droplets will not flow into the socket hole 22, the waterproof protrusion 23 is arranged to be inclined downward; in addition, by setting the annular protrusion 31 and matching with the waterproof pad 4. When the cover 3 is buckled, the annular protrusion 31 is pressed on the waterproof pad 4, so that the covering cavity 32 forms a closed space to ensure that water vapor will not enter the socket hole from between the cover 3 and the waterproof pad 4 twenty two.
  • the upper edge of the panel 2 is provided with a rib 24; the rib 24 is used for water splashing and waterproofing; specifically, if it is raining outdoors, or the user does not care about water When splashing onto the socket, if the rib 24 is not provided, a part of the water will enter from the gap between the panel 2 and the cover 3.
  • the panel 2 is not limited to one socket hole 22, but multiple, such as two, three or more; the socket hole 22 includes, but is not limited to, two-pin socket holes and triangular socket holes; Socket panel, usually set a two-pin socket hole and a triangle socket hole on the panel.
  • a common socket panel is used, that is, a two-pin socket hole and a triangular socket hole are provided on the panel 2.
  • the cover plate 3 includes an upper cover plate 33 and a lower cover plate 34.
  • the upper edge of the upper cover plate 33 is rotatably connected with the groove 21, and the lower edge of the lower cover plate 34 is rotatably connected with the groove 21, that is, the upper cover plate 33 is opened by turning up, and the lower cover plate 34 is opened by turning down.
  • the upper cover 33 and the lower cover 34 cover the entire groove 21.
  • the two-pin socket hole is wrapped in the covering cavity 32 of the upper cover plate 33 by the upper cover plate 33, and the triangular socket hole is wrapped in the covering cavity 32 of the lower cover plate 34 by the lower cover plate 34.
  • the upper cover plate 33 and the lower cover plate 34 can be independently used for the socket hole 22; that is, when one is used, the other is still in a sealed state; thereby reducing the entry of water vapor and reducing the corrosion of the copper sheet, Improve socket life.
  • the cover 3 and the groove 21 are connected by a snap structure.
  • a convex block 35 is provided on the side of the cover plate 3.
  • a card slot is provided on the side wall of the groove 21.
  • the cover plate 3 is rotatably connected to the groove 21 through a hinge shaft 37.
  • a handle 36 is provided on the cover 3.
  • the handle 36 can be a stick-like structure, a flat structure, and other convex structures; preferably, the handle 36 is an arc-shaped structure; the arc-shaped structure is adopted so that when the user accidentally scratches it, it will not be caused by the sharp corners of the handle 36. It may cause injury; in addition, if a belt-like object (such as a rope, etc.) scratches the handle, it may cause the cover 3 to open by mistake.
  • a belt-like object such as a rope, etc.
  • a limiting block 25 is provided between the bottom of the groove 21 and the side wall, and the limiting block 25 is provided on one side of the rotation point of the lower cover plate 34.
  • the socket panel is made of plastic material, which has a certain deformation.
  • the limit block 25 acts as a reinforcing rib to connect and strengthen the bottom of the groove 21 and the side wall.
  • the groove 21 is provided with a blocking block 26 on the side where the upper cover 33 is provided with the rotation point, and the upper cover 33 clamps the upper edge of the upper cover 33 when the upper cover 33 is turned up. Similarly, flip the upper cover 33 upwards, rotate until it is blocked by the block 26, and continue to rotate, and the upper cover 33 is restricted from rotating in the reverse direction by the block 26.
  • this type of socket is particularly suitable for bathrooms.
  • a large amount of water vapor will be generated.
  • the water vapor enters the functional part 1 through the socket hole, causing the copper sheet to rust and easily cause a short circuit.
  • the socket of the present invention when the socket hole 22 is not in use, the socket hole 22 is in a sealed state, and water vapor cannot enter the functional part from the socket hole 22, thereby reducing the corrosion of the copper sheet and improving the service life of the socket.

Abstract

一种防水防潮插座，包括功能件（1）、面板（2）、盖板（3）和防水垫（4），面板（2）的正面凹陷设置凹槽（21），并且在凹槽（21）内开设与功能件（1）配合的插座孔（22），功能件（1）设置在面板（2）背面，插座孔（22）周向设置防水凸起（23），防水垫（4）贴覆在凹槽（21）内，并且在设置有防水凸起（23）的对应位置设置开口（41），盖板（3）一侧边转动的设置在凹槽（21）内，盖板（3）上设置环形凸起（31），环形凸起（31）与盖板（3）形成包覆腔（32），当盖板（3）扣合在面板（2）上时，包覆腔（32）覆盖包裹防水凸起（23），防水垫（4）具有弹性。该插座结构简单，操作方便，通过环形凸起（31）与防水垫（4）配合，使得插座孔（22）处于密闭腔内，避免水汽从插座孔（22）进入功能件，提高插座使用寿命；防水凸起（23）给予插座插入空间，并且将引导水滴向外滴落，避免流入插座孔（22），提高在使用时的防水汽效果。

Description

一种防水防潮插座 技术领域
本发明涉及电器领域，特别涉及一种防水防潮插座。
背景技术
防水插座可以提供更加安全的使用体验而越来越受到大众的欢迎。一般防水插座，多是通过防水盖加在插座上，但是，盖子一般不能密封的紧密，会导致水汽还是进入开关内部，并且体积较大，使用者很容易在不经意间刮碰防水盖，造成防水盖掉落损坏；还有一种是通过芯片程序设计导致插座过水自动关闭电源，这种防水安全性成本比较高，并且水进入了插座，即使安全断电，也会腐蚀铜片，导致铜片生锈而减少了插座的使用寿命。
发明内容
针对以上现有技术存在的缺陷，本发明的主要目的在于克服现有技术的不足之处，公开了一种防水防潮插座，包括功能件、面板、盖板和防水垫，所述面板的正面凹陷设置凹槽，并且在所述凹槽内开设与所述功能件配合的插座孔，所述功能件设置在所述面板背面，所述插座孔周向设置防水凸起，所述防水垫贴覆在所述凹槽内，并且在设置有所述防水凸起的对应位置设置开口，所述盖板一侧边转动的设置在所述凹槽内，所述盖板上设置环形凸起，所述环形凸起与所述盖板形成包覆腔，当所述盖板扣合在所述面板上时，所述包覆腔覆盖包裹所述防水凸起，所述防水垫具有弹性。
进一步地，所述面板上边缘设置挡边。
进一步地，所述盖板包括上盖板和下盖板，所述上盖板的上边缘与所 述凹槽转动连接，所述下盖板的下边缘与所述凹槽转动连接。
进一步地，所述盖板与所述凹槽通过卡扣结构连接。
进一步地，所述盖板通过铰链轴与所述凹槽转动连接。
进一步地，所述盖板上设置手柄。
进一步地，所述手柄呈圆弧形。
进一步地，所述凹槽的底部与侧壁之间设置限位块，并且所述限位块设置在所述下盖板的转动点的一侧。
进一步地，所述凹槽设置所述上盖板转动点一侧设置卡块，所述上盖板上翻时卡住所述上盖板的上边缘。
本发明取得的有益效果：
本发明结构简单，操作方便，通过环形凸起与防水垫配合，使得插座孔处于密闭腔内，避免水汽从插座孔进入功能件，造成铜片锈蚀短路，提高插座使用寿命；防水凸起给予插座插入空间，并且将引导水滴向外滴落，避免流入插座孔，提高在使用时的防水汽效果。
附图说明
图1为本发明的一种防水防潮插座扣合时的结构示意图；
图2为图1的右视图；
图3为面板的结构示意图；
图4为下盖板的结构示意图；
图5为图4的右视图；
图6为上盖板的机构示意图；
图7为图6的后视图；
图8为防水垫的结构示意图；
图9为下盖板展开过程中的一位置示意图；
图10为下盖板完全再开的结构示意图；
图11为使用另一种手柄结构的防水防潮插座的结构示意图；
附图标记如下：
1、功能件，2、面板，3、盖板，4、防水垫，21、凹槽，22、插座孔，23、防水凸起，24、挡边，25、限位块，26、卡块，31、环形凸起，32、包覆腔，33、上盖板，34、下盖板，35、凸块，36、手柄，37、铰链轴，41、开口。
具体实施方式
为了使本发明的目的、技术方案及优点更加清楚明白，下面结合附图及实施例对本发明作进一步详细说明。应当理解，此处所描述的具体实施例仅用以解释本发明，并不用于限定本发明。
一种防水防潮插座，如图1-8所示，包括功能件1、面板2、盖板3和防水垫4，面板2的正面凹陷设置凹槽21，并且在凹槽21内开设与功能件1配合的插座孔22，功能件1设置在面板2背面，插座孔22周向设置防水凸起23，防水垫4贴覆在凹槽21内，并且在设置有防水凸起23的对应位置设置开口41，盖板3一侧边转动的设置在凹槽21内，盖板3上设置环形凸起31，环形凸起31与盖板3形成包覆腔32，当盖板3扣合在面板2上时，包覆腔32覆盖包裹防水凸起23，防水垫4具有弹性。其中，防水垫4包括但不限于使用硅胶材质。在本实施例中，通过设置防水凸起23，为插头提供插入空间；在使用时，盖板3打开，此时，环境中的水汽会积附在防水垫4上形成水滴，通过防水凸起23将水滴向外引导，不会流入插座孔22；特别的，为了进一步保证水滴不会流入插座孔22，防水凸起23向下倾斜设置；另外，通过设置环形凸起31，并且配合防水垫4，盖板3在扣合时，环形凸起31压在防水垫4上，进而使得包覆腔32形成密闭空间，以保证水汽不会从盖板3与防水垫4之间进入至插座孔22。
在一实施例中，如图1-8所示，面板2的上边缘设置挡边24；挡边24用于泼水形防水；具体的，如果遇到室外下雨天，或者使用者不当心将水 泼到插座上时，如果不设置挡边24，会有一部分的水从面板2与盖板3之间的缝隙进入。
其中，面板2上不限于设置一个插座孔22，可以设置多个，例如两个、三个或者更多；插座孔22包括但不限于使用两脚插座孔、三角插座孔；对于目前市面上常用的插座面板，通常在面板上设置一个两脚插座孔和一个三角插座孔。
在一实施例中，如图1-8所示，使用常用插座面板，即面板2上设置一个两脚插座孔和一个三角插座孔，对应的，盖板3包括上盖板33和下盖板34，上盖板33的上边缘与凹槽21转动连接，下盖板34的下边缘与凹槽21转动连接，即上盖板33通过上翻打开，下盖板34通过下翻打开，通过上盖板33和下盖板34覆盖整个凹槽21。通过上盖板33将两脚插座孔包裹在上盖板33的包覆腔32内，通过下盖板34将三角插座孔包裹在下盖板34的包覆腔32内。在本实施例中，通过上盖板33和下盖板34独立设置，可以对插座孔22单独使用；即在一个使用时，另一个仍然处于密封状态；进而减少水汽进入，减少铜片锈蚀，提高插座使用寿命。
在一实施例中，如图1-8所示，盖板3与凹槽21通过卡扣结构连接。具体的，盖板3的侧边凸起设置凸块35，对应的，在凹槽21的侧壁上设置卡槽，在盖板3扣合时，通过按压的方式将凸块35卡入卡槽内即可。
在一实施例中，如图1-8所示，盖板3通过铰链轴37与凹槽21转动连接。
在一实施例中，如图1-8及图11所示，盖板3上设置手柄36。使用者通过手柄36能够方便快捷的将盖板3打开。其中，手柄36可以为棍状结构、扁平状结构等凸起结构；优选的，手柄36为圆弧形结构；采用圆弧形结构，使用者无意间剐蹭到时，不会因为手柄36尖角造成伤害；另外，如果带状物体(如绳等物体)刮碰到手柄时，可能会造成盖板3误打开。
在一实施例中，如图1-10所示，凹槽21的底部与侧壁之间设置限位块25，并且限位块25设置在下盖板34的转动点的一侧。通常，插座面板采 用塑料材质，这种材料具有一定的形变，打开下盖板34时，下盖板34绕铰链轴37下翻转动，当转动至向下倾斜位置，被限位块25阻挡，此时用力继续转动，使得下盖板34转动至竖直状态，在该位置处，如果继续转动，会受到凹槽21底部阻挡，如果反向转动，则会受到限位块25的阻挡，因此，下盖板34被限制于该位置处，保证下盖板34打开时不会任意晃动；同时，限位块25起到加强筋作用，对凹槽21的底部和侧壁连接加固。
在一实施例中，如图1-8所示，凹槽21设置上盖板33转动点一侧设置卡块26，上盖板33上翻时卡住上盖板33的上边缘。同样的，向上翻转上盖板33，转动至受到卡块26阻挡，继续转动，通过卡块26限制上盖板33反向转动。
本发明在使用时，如图1-10所示，选择对应插座孔，当使用两脚插座孔时，上翻上盖板33，直至卡块26卡住上盖板33，将插座插入插座孔内使用，当不使用时，向下翻转上盖板33，使得环形凸起31紧紧压在防水垫4上，有效防止水汽从盖板3与凹槽21之间的缝隙进入插座孔22。下盖板34使用方式同上盖板33使用方式。优选的，当上盖板33和下盖板34扣合时，上盖板33和下盖板34的外表面与面板2的外表面齐平。可见，该种插座特别适用于浴室，在洗澡时，会产生大量的水汽，如果采用常规插座，水汽通过插座孔进入功能件1，造成铜片锈蚀，容易造成短路。而采用本发明的插座，在不使用的情况下，插座孔22处于密封状态，水汽无法从插座孔22进入功能件，减少铜片锈蚀，提高插座使用寿命。
以上仅为本发明的较佳实施例，并非用来限定本发明的实施范围；如果不脱离本发明的精神和范围，对本发明进行修改或者等同替换，均应涵盖在本发明权利要求的保护范围当中。

Claims (9)

  1. 一种防水防潮插座，其特征在于，包括功能件、面板、盖板和防水垫，所述面板的正面凹陷设置凹槽，并且在所述凹槽内开设与所述功能件配合的插座孔，所述功能件设置在所述面板背面，所述插座孔周向设置防水凸起，所述防水垫贴覆在所述凹槽内，并且在设置有所述防水凸起的对应位置设置开口，所述盖板一侧边转动的设置在所述凹槽内，所述盖板上设置环形凸起，所述环形凸起与所述盖板形成包覆腔，当所述盖板扣合在所述面板上时，所述包覆腔覆盖包裹所述防水凸起，所述防水垫具有弹性。
  2. 根据权利要求1所述的一种防水防潮插座，其特征在于，所述面板上边缘设置挡边。
  3. 根据权利要求1所述的一种防水防潮插座，其特征在于，所述盖板包括上盖板和下盖板，所述上盖板的上边缘与所述凹槽转动连接，所述下盖板的下边缘与所述凹槽转动连接。
  4. 根据权利要求1所述的一种防水防潮插座，其特征在于，所述盖板与所述凹槽通过卡扣结构连接。
  5. 根据权利要求1所述的一种防水防潮插座，其特征在于，所述盖板通过铰链轴与所述凹槽转动连接。
  6. 根据权利要求1所述的一种防水防潮插座，其特征在于，所述盖板上设置手柄。
  7. 根据权利要求1所述的一种防水防潮插座，其特征在于，所述手柄呈圆弧形。
  8. 根据权利要求3所述的一种防水防潮插座，其特征在于，所述凹槽的底部与侧壁之间设置限位块，并且所述限位块设置在所述下盖板的转动点的一侧。
  9. 根据权利要求3所述的一种防水防潮插座，其特征在于，所述凹槽设置所述上盖板转动点一侧设置卡块，所述上盖板上翻时卡住所述上盖板的上边缘。
PCT/CN2020/096179 2019-11-21 2020-06-15 一种防水防潮插座 WO2021098199A1 (zh)

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