WO2014187370A1 - 用于液体加热器中的耦合器及液体加热器 - Google Patents

用于液体加热器中的耦合器及液体加热器 Download PDF

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Publication number
WO2014187370A1
WO2014187370A1 PCT/CN2014/078351 CN2014078351W WO2014187370A1 WO 2014187370 A1 WO2014187370 A1 WO 2014187370A1 CN 2014078351 W CN2014078351 W CN 2014078351W WO 2014187370 A1 WO2014187370 A1 WO 2014187370A1
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WO
WIPO (PCT)
Prior art keywords
wall
coupler
liquid heater
connector
female socket
Prior art date
Application number
PCT/CN2014/078351
Other languages
English (en)
French (fr)
Inventor
郭建刚
Original Assignee
广东新宝电器股份有限公司
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
Priority claimed from CN201310196518.2A external-priority patent/CN104183967B/zh
Priority claimed from CN201320288881.2U external-priority patent/CN203423313U/zh
Application filed by 广东新宝电器股份有限公司 filed Critical 广东新宝电器股份有限公司
Priority to US14/892,960 priority Critical patent/US10473242B2/en
Priority to EP14801160.4A priority patent/EP3001511B1/en
Publication of WO2014187370A1 publication Critical patent/WO2014187370A1/zh

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L21/00—Joints with sleeve or socket
    • F16L21/08—Joints with sleeve or socket with additional locking means
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/21—Water-boiling vessels, e.g. kettles
    • A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J27/00—Cooking-vessels
    • A47J27/21—Water-boiling vessels, e.g. kettles
    • A47J27/21008—Water-boiling vessels, e.g. kettles electrically heated
    • A47J27/2105—Water-boiling vessels, e.g. kettles electrically heated of the cordless type, i.e. whereby the water vessel can be plugged into an electrically-powered base element
    • 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
    • H01R13/5227—Dustproof, splashproof, drip-proof, waterproof, or flameproof cases with evacuation of penetrating liquids
    • 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
    • H01R13/53—Bases or cases for heavy duty; Bases or cases for high voltage with means for preventing corona or arcing
    • 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

Definitions

  • Coupler and liquid heater for use in liquid heaters
  • the present invention relates to a coupler, and more particularly to a coupler for use in a 360 degree rotary liquid heater, and to a liquid heater using the coupler. Background technique
  • Liquid heaters particularly liquid heaters such as electric kettles, typically require a coupler to effect quick insertion and removal of the heated portion of the appliance from the base.
  • the diversified design of the product makes the required size for the coupler as small as possible.
  • the small size makes the matching precision requirement in the existing solution greatly improved, and the existence of the manufacturing deviation and the size deviation and deformation of the coupler in the normal use of the product cause a great hidden danger to the quality of the product. If the size of the coupler manufactured is smaller, the relative rotation of the male connector of the coupler with respect to the female socket connector is easily stuck. Therefore, how to put forward a precision problem that can meet the requirements of high-precision matching and reduce the misalignment due to manufacturing offset and deformation, puts forward higher requirements in the design technology of the coupler.
  • a coupler for use in a liquid heater comprising a male connector and a female socket connector coupled to the male connector, the male connector including a connecting wall and an annular barrel wall formed at a periphery of the connecting wall, the female socket joint including An end wall combined with a connecting wall of the male joint and a peripheral wall extending perpendicularly around the peripheral wall of the end wall, the surface of the end wall combined with the connecting wall being convexly convex from the center toward the periphery, the peripheral wall including An arc segment and a hollow portion spaced apart from each other such that the arcuate segment is coupled to the annular cylinder wall after the male connector is coupled to the female socket, the hollow portion and the annular cylinder wall No coupling is formed between them.
  • the avoidance section is within the contour projection area of the arc segment. Further, the end wall is provided with a plurality of perforations.
  • the bottom surface of the end wall corresponds to the position of the perforation, and a plurality of tubular partition walls extend.
  • the partition wall is formed with a flow guiding rib, and the guide rib extends obliquely.
  • the bottom surface of the guide rib is lower than the inner side surface of the end wall where it is located.
  • the connecting wall is provided with a mounting hole and is mounted with a first electrical connector, the peripheral wall enclosing a cavity, and the cavity is provided with a second electrical connector, the first electrical connector is worn The through hole abuts the second electrical connector.
  • annular cylinder wall and the upper surface of the connecting wall enclose a matching space
  • the lower surface of the connecting wall encloses a receiving space
  • the receiving space accommodates the female socket joint.
  • the outer side of the annular cylinder wall laterally extends with a plurality of side extension housings.
  • a grounding wire is further disposed on the peripheral wall.
  • the arc segments on the peripheral wall and the avoidance segments are symmetrically arranged, that is, the two arc segments are oppositely disposed, and the two hollow segments are oppositely disposed.
  • a liquid heater comprising a kettle and a base for heating with a kettle, the coupler for the liquid heater being disposed within the base.
  • the liquid heater made by the coupler of the present invention comprises the arc wall segment and the hollow portion connected between the two arc segments by the peripheral wall of the female socket joint, and the end wall surface is The center is gradually lower and convex, and the coupling accuracy is reduced while the male connector is slid to the female socket.
  • the water slides off the end face of the female socket joint and does not remain, even if a small amount of water is pierced from the end face.
  • the medium inflow also flows out from the bottom of the coupler along the guide ribs on the tubular partition wall to avoid contact with the charged second electrical connector, thereby reducing the risk of electric shock.
  • FIG. 1 is a perspective view of a perspective view of a preferred embodiment of a coupler of the present invention
  • FIG. 2 is a schematic cross-sectional view showing the overall structure of a preferred embodiment of the coupler of the present invention
  • Figure 3 is a top plan view of the female socket connector of the coupler shown in Figure 1;
  • Figure 4 is a right side view of the female socket connector of the coupler shown in Figure 1;
  • Figure 5 is a schematic cross-sectional view of the female socket connector of the coupler shown in Figure 3;
  • Figure 6 is a bottom plan view of the female socket connector of the coupler shown in Figure 1. detailed description
  • the coupler shown in the preferred embodiment of the present invention is disposed on a base of a liquid heater such as an electric kettle for electrically conducting the heat exchanger body and the base.
  • the coupler includes a male connector 10 and a female socket connector 20 coupled to the male connector 10.
  • the male connector 10 includes a connecting wall 11 and an annular cylindrical wall 12 formed at a periphery of the connecting wall 11 and perpendicular to the connecting wall 11.
  • the annular cylinder wall 12 extends perpendicularly to the upper and lower surfaces of the wall 11 and defines a matching space 13 with the upper surface of the connecting wall 11, and a receiving space 14 is defined by the lower surface of the connecting wall 11.
  • the mating space 13 is provided with a plurality of structural blocks for cooperating with the bottom member of the kettle when the electric base is fitted with the kettle.
  • the connecting wall 11 is provided with a mounting hole and is mounted with a first electrical connector 15.
  • the first electrical connector 15 extends from the upper surface of the connecting wall 11 into the mating space 13, and the other end extends out of the lower surface of the connecting wall 11 into the receiving space 14.
  • the number of the first electrical connectors 15 is two, which are respectively used for the anode electrical connection and the cathode electrical connection.
  • the outer side of the annular cylinder wall 12 laterally extends with a plurality of side extension housings 16 for engaging the inner members of the base when assembled to the base.
  • the female socket joint 20 includes an end wall 21 for mating with the connecting wall 11 of the male joint 10 and a peripheral wall 22 formed at a periphery of the end wall 21 and extending perpendicularly to the bottom end of the end wall 21.
  • the peripheral wall 22 encloses a cavity 23 at one end of the end wall 21.
  • the surface of the end wall 21 coupled to the connecting wall 11 is gradually convex from the center to the periphery and is convex.
  • the end wall 21 defines a plurality of through holes 24, and the number and position of the through holes 24 correspond to the number and position of the first electrical connectors 15 of the male connector 10 for the first electrical connector 15 to penetrate into Inside the cavity 23.
  • a plurality of second electrical connectors 25 are disposed in the cavity 23 for electrically connecting to the first electrical connector 15 .
  • a plurality of second electrical connectors 25 are fixedly disposed within the cavity 23 by a connection to the inside of the peripheral wall 22. Ben In the embodiment, the second electrical connectors 25 are two for the anode electrical connection and the cathode electrical connection, respectively.
  • the bottom surface of the end wall 21 corresponds to the position of the through hole 24, and a plurality of tubular partition walls 26 extend in the axial direction of the cavity 23 so that a plurality of first electrical connectors penetrate into the cavity 23 15 is separated by a partition wall 26 between the two.
  • a guide rib 28 is formed on the partition wall 26.
  • the guide ribs 28 extend obliquely, and the bottom surface of the guide ribs 28 is lower than the inner side surface of the end face, and the water flowing from the end wall 21 to the perforations 24 is guided out along the guide ribs 28 without crossing the diversion flow.
  • the rib 28 enters the inner side surface of the cavity 23. Since the second electrical connector 25 is mounted on the inner side surface of the cavity 23 so that water does not contact the second electrical connector 25, electrical safety is ensured.
  • the peripheral wall 22 includes a cutout 222 spaced from the arcuate section 221 by an arcuate section 221.
  • the curved section 221 is a circular arc surface for coupling with the annular barrel wall 12 of the male joint 10 after assembly.
  • the airtight section 222 does not form a coupling between the annular tubular wall 12 of the male connector 10 and the cutout portion 222 after the male connector 10 is assembled to the female socket connector 20. Therefore, after the electrical coupler having a small size is fabricated, the annular tube wall 12 and the peripheral wall 22 are not easily formed into a cassette due to the complete arc surface coupling, and the male connector 10 can be easily opposed to the female socket connector 20. Rotate and position accurately.
  • the curved section 221 and the hollow section 222 are arranged symmetrically as much as possible. In this embodiment, the hollow sections 222 are two places and are oppositely disposed on the peripheral wall 22.
  • a ground line 27 is also drawn on the peripheral wall 22 for forming a ground loop on the coupler.
  • the peripheral wall 22 of the female socket joint 20 is provided with an arc segment 221 and a hollow portion 222 (which may be referred to as an inner rim and a non-internal rim), which can ensure coupling precision.
  • the reduced circumference of the circle is caused by the rounding.
  • the surface of the end wall 21 of the female socket joint 20 is gradually lowered from the center to the periphery, so that water can flow out along the surface in time, thereby reducing the residual water that is accidentally dropped during use on the end surface of the female socket joint 20. Thereby reducing the risk of electric shock.
  • the cutout portion (222) is within the contour projection area of the curved segment (221) such that the surface of the end wall 21 of the female socket connector 20 is further from the center of the female socket connector 20 at the cutout portion 222 Nearly, that is, the smaller the area of the end wall 21, the less chance of water staying at the end wall 21. This makes it easier for water to flow out of the shelter 222.
  • the non-internal rim reduces the size of the female socket connector, which in turn reduces the cost of assembly space for material costs. This design allows the coupler to be made smaller to meet the diverse design needs of liquid heater products.
  • the coupler is used in a liquid heater, such as a kettle, to improve the safety performance and service life of the kettle, and to save manufacturing costs.

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  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cookers (AREA)

Abstract

一种用于液体加热器中的耦合器，包括阳接头（10）以及阴插座接头（20），阳接头（10）包括连接壁（11）以及形成在连接壁（11）周缘的环形筒壁（12），阴插座接头（20）包括与阳接头的连接壁相结合的端壁（21）以及形成在端壁（21）周缘且与端壁（21）垂直设置的周壁（22），所述端壁（21）与连接壁（11）相结合的表面由中心向四周渐低而呈凸包状，所述周壁（22）包括弧形段（221）及连接在两两弧形段间的避空段（222），使得所述阳接头（10）耦合至阴插座接头（20）后，弧形段（221）与环形筒壁（12）耦合，避空段（222）与环形筒壁（12）间未形成耦合。该耦合器在保证耦合精度的同时减轻阳接头对阴插座接头卡涩，减小了滴下的水在阴插座接头端面的残留，降低了触电风险。

Description

用于液体加热器中的耦合器及液体加热器
技术领域
本发明涉及耦合器， 特别涉及一种应用到 360 度旋转式液体加热器的耦合器， 同时 还涉及一种使用该耦合器的液体加热器。 背景技术
液体加热器， 特别像电水壶等液体加热器一般需要耦合器来实现电器加热部分与通 电底座的快速插接与拨离。 产品的多样化设计使得对于耦合器的要求尺寸是越小越好。 尺寸小使得现有方案中的配合精度要求大大提高， 而制造偏差的存在和消费者在正常使 用中的耦合器尺寸偏移与变形使得产品的质量存在一个较大隐患。 如制造的耦合器尺寸 越小， 耦合器的阳接头相对阴插座接头配合时的相对转动容易卡死。 因此， 如何提出一 种既能满足高精度配合要求又能减小由于制造偏移和使用变形而存在的配合精确难题， 在耦合器设计技术上提出了更高的要求。
并且尺寸小使得耦合器中各带电部件到绝缘部件的尺寸更加紧凑， 而液体加热器在 正常使用时经常会出现水滴到通电底座上的情况， 将滴到底座上的水需要快速排到耦合 器外部， 从而不致影响通电时的电气安全性能。 发明内容
鉴于以上所述， 本发明有必要提供一种可满足制作尺寸小且能保证配合精度， 并且 可提高电气安全性能的用于液体加热器中的耦合器。
一种用于液体加热器中的耦合器， 包括阳接头以及与阳接头相耦合的阴插座接头， 所述阳接头包括连接壁以及形成在连接壁周缘的环形筒壁， 所述阴插座接头包括与阳接 头的连接壁相结合的端壁以及形成在端壁周缘且垂直延伸的周壁， 所述端壁与连接壁相 结合的表面由中心向四周渐低而呈凸包状， 所述周壁包括弧形段以及弧形段间隔设置的 避空段， 使得所述阳接头耦合至阴插座接头后， 所述弧形段与所述环形筒壁耦合， 所述 避空段与所述环形筒壁之间不形成耦合。
进一步地， 所述避空段在所述弧形段的外形轮廓投影区域以内。 进-一步地， 所述端壁上开设有若干穿孔。
进-一步地， 所述端壁的底面上对应所述穿孔的位置， 延伸有若干呈管状的间隔壁。 进-一步地， 所述间隔壁上形成有导流筋， 导流筋呈倾斜状延伸。
进-一步地， 所述导流筋的底面低于其所在端壁的内侧表面。
进-一步地， 所述连接壁上开设有安装孔并安装有第一电连接件， 所述周壁围成一空 腔， 所述空腔内设置有第二电连接件， 第一电连接件穿过所述穿孔与第二电连接件抵 接。
进一步地， 所述环形筒壁与连接壁上表面围成一配合空间， 与连接壁下表面围成一 收容空间， 所述收容空间***述阴插座接头。
进一步地， 所述环形筒壁的外侧侧向地延伸有若干侧伸壳体。
进一步地， 所述周壁上还设置有接地线。
进一步地， 所述周壁上的弧形段与避空段分别对称排布， 即两两弧形段相对设置， 两两避空段相对设置。
另外， 本发明有必要提供一种液体加热器， 包括水壶及用以配合水壶加热的底座， 所述底座内设置有所述用于液体加热器中的耦合器。
相较于现有技术， 本发明所述的耦合器制成的液体加热器通过将阴插座接头的周壁 包括弧形段及连接在两两弧形段间的避空段， 并且端壁表面由中心向四周渐低而呈凸包 状， 在保证耦合精度的同时减轻阳接头对阴插座接头卡涩， 水在阴插座接头端面沿端面 滑落， 不会残留， 即使少量的水从端面设置的穿孔中流入， 也会沿着管状间隔壁上的导 流筋从耦合器底部流出， 避免与带电的第二电连接件接触， 从而降低了触电风险。 附图说明
上述说明仅是本发明技术方案的概述， 为了更清楚地说明本发明的技术方案， 下面 将对实施例或现有技术描述中所需要使用的附图作简单地介绍， 描述中的附图仅仅是对 应于本发明的具体实施例， 对于本领域普通技术人员来说， 在不付出创造性劳动的前提 下， 在需要的时候还可以根据这些附图获得其他的附图。
图 1为本发明耦合器较佳实施例的具有局部剖面的立体结构示意图；
图 2为本发明耦合器较佳实施例的整体结构的截面示意图； 图 3为图 1所示的耦合器的阴插座接头的俯视示意图；
图 4为图 1所示的耦合器的阴插座接头的右视示意图；
图 5为图 3所示的耦合器的阴插座接头的截面示意图；
图 6为图 1所示的耦合器的阴插座接头的仰视示意图。 具体实施方式
为了详细阐述本发明为达成预定技术目的而所采取的技术方案， 下面将结合本发明 实施例中的附图， 对本发明实施例中的技术方案进行清楚、 完整地描述， 显然， 所描述 的实施例仅仅是本发明的部分实施例， 而不是全部的实施例， 并且， 在不付出创造性劳 动的前提下， 本发明的实施例中的技术手段或技术特征可以替换， 下面将参考附图并结 合实施例来详细说明本发明。
请参阅图 1及图 2， 本发明较佳实施例所示的耦合器， 用于设置在液体加热器如电热 水壶的底座上， 用以电性导通电热水壶体与底座。 耦合器包括阳接头 10以及与阳接头 10 相耦合的阴插座接头 20。
所述阳接头 10包括连接壁 11以及形成在连接壁 11周缘且与连接壁 11垂直的环形筒 壁 12。 环形筒壁 12垂直连接壁 11上下表面延伸， 与连接壁 11上表面围成一配合空间 13， 与连接壁 11下表面围成一个收容空间 14。 所述配合空间 13内设有若干结构块， 用 以在通电底座配合水壶时， 与水壶底部构件配合。 所述连接壁 11上开设有安装孔并安装 有第一电连接件 15。 第一电连接件 15 —端伸出连接壁 11 的上表面进入所述配合空间 13， 另一端穿出连接壁 11 的下表面伸入至所述收容空间 14 内。 本实施例中第一电连接 件 15数量为两个， 分别用于阳极电连接与阴极电连接。 所述环形筒壁 12的外侧侧向地 延伸有若干侧伸壳体 16， 用以装配至底座时， 配合底座的内构件的卡合。
所述阴插座接头 20包括用以与所述阳接头 10的连接壁 11相配合的端壁 21以及形成 在端壁 21周缘且于端壁 21底端垂直延伸的周壁 22。 所述周壁 22在所述端壁 21的一端 围成一空腔 23。 所述端壁 21 的与连接壁 11 相耦合的表面由中心向四周渐低而呈凸包 状。 如此， 可便于滴落至端壁 21表面的水滴可快速地顺着端壁 21下滑排除， 而不至于 停留在端壁 21表面上。 所述端壁 21上开设有若干穿孔 24， 穿孔 24的数量及位置与所述 阳接头 10的第一电连接件 15的数量及位置对应， 以供所述第一电连接件 15穿入至空腔 23内。 所述空腔 23内对应地设置若干第二电连接件 25， 用以与第一电连接件 15相连接 导通。 若干第二电连接件 25可通过与周壁 22内侧的连接而固定地设置在空腔 23内。 本 实施例中， 第二电连接件 25为两个， 分别用于阳极电连接与阴极电连接。
所述端壁 21的底面上对应所述穿孔 24的位置， 于空腔 23内沿轴向还延伸有若干呈 管状的间隔壁 26， 使得穿入至空腔 23内的若干第一电连接件 15两两之间为间隔壁 26所 间隔。 所述间隔壁 26上形成有导流筋 28。 导流筋 28呈倾斜状延伸， 且导流筋 28的底面 低于所在端面的内侧表面， 将从端壁 21流至穿孔 24上的水沿导流筋 28引导流出， 而不 会越过导流筋 28进入到空腔 23的内侧表面上。 由于第二电连接件 25安装在所述空腔 23 的内侧表面上， 从而水也不会接触到第二电连接件 25， 保证了电气安全。
结合参阅图 3至图 6， 所述周壁 22包括弧形段 221与弧形段 221间隔设置的避空段 222。 所述弧形段 221为圆弧面， 用以在装配后与所述阳接头 10的环形筒壁 12相耦合。 所述避空段 222在所述阳接头 10装配至所述阴插座接头 20后， 所述阳接头 10的环形筒 壁 12与该避空段 222之间不形成耦合。 从而， 制作尺寸小的电耦合器后， 所述环形筒壁 12与所述周壁 22之间不会因为完全圆弧面耦合而易于形成卡涩， 可便于所述阳接头 10 相对阴插座接头 20转动而精准定位。 所述弧形段 221 与避空段 222尽可能分别对称排 布。 本实施例中， 所述避空段 222为两处且在周壁 22上相对地设置。
进一步地， 所述周壁 22上还引出有接地线 27， 用以将形成耦合器上的接地回路。 本发明耦合器的耦合面上， 所述阴插座接头 20的周壁 22上设置弧形段 221与避空段 222, (可称为内空边与非内空边） ， 可在保证耦合精度的同时减小的圆周失圆带来的卡 涩。 并且所述阴插座接头 20的端壁 21 的表面由中心向四周渐低， 使得水可及时顺其表 面流出， 从而降低了使用时不小心滴落的水在阴插座接头 20的端面的残留， 从而降低了 触电风险。 避空段（222 )在所述弧形段（221 ) 的外形轮廓投影区域以内， 使得所述阴插 座接头 20的端壁 21的表面在避空段 222处离所述阴插座接头 20中心更近， 也就是端壁 21 面积越小， 减小了水停留在端壁 21 的机会。 使得水更容易从避空段 222处流出。 此 外， 非内空边减小阴插座接头的尺寸， 相应也降低了材料成本的装配空间成本。 这样的 设计使得耦合器可以做的更小， 从而满足液体加热器产品的多样化设计需求。 所述耦合 器用于液体加热器， 如水壶， 可提高水壶的安全性能与使用寿命， 且节省了制作成本。
以上所述， 仅是本发明的较佳实施例而已， 并非对本发明作任何形式上的限制， 虽 然本发明已以较佳实施例揭露如上， 然而并非用以限定本发明， 任何熟悉本专业的技术 人员， 在不脱离本发明技术方案范围内， 当可利用上述揭示的技术内容做出些许更动或 修饰为等同变化的等效实施例， 但凡是未脱离本发明技术方案内容， 依据本发明的技术 实质， 在本发明的精神和原则之内， 对以上实施例所作的任何简单的修改、 等同替换与 改进等， 均仍属于本发明技术方案的保护范围之内,

Claims

权利要求书
1. 一种用于液体加热器中的耦合器， 包括阳接头 （10) 以及与阳接头 （10) 相耦合 的阴插座接头 （20) ， 所述阳接头 （10)包括连接壁 （11) 以及形成在连接壁 （11) 周缘 的环形筒壁（12) ， 所述阴插座接头 （20)包括与阳接头 （10) 的连接壁 （11)相结合的 端壁（21) 以及形成在端壁 （21) 周缘且垂直延伸的周壁 （22) ， 所述端壁 （21) 与连接 壁（11)相结合的表面由中心向四周渐低而呈凸包状， 所述周壁（22)包括弧形段（221) 以及弧形段（221) 间隔设置的避空段（222) ， 使得所述阳接头 （10)耦合至阴插座接头
(20)后， 所述弧形段（221) 与所述环形筒壁 （12)耦合， 所述避空段（222) 与所述环 形筒壁 （12) 之间未形成耦合。
2. 根据权利要求 1所述的用于液体加热器中的耦合器， 其特征在于： 所述端壁（21) 上开设有若干穿孔 （24) 。
3.根据权利要求 1 所述的用于液体加热器中的耦合器， 其特征在于： 所述避空段 (222) 在所述弧形段 （221) 的外形轮廓投影区域以内。
4. 根据权利要求 2所述的用于液体加热器中的耦合器， 其特征在于： 所述端壁 (21) 的底面上对应所述穿孔 （24) 的位置， 延伸有若干呈管状的间隔壁 （26) 。
5. 根据权利要求 4 所述的用于液体加热器中的耦合器， 其特征在于： 所述间隔壁 (26) 上形成有导流筋， 导流筋呈倾斜状延伸。
6. 根据权利要求 5所述的用于液体加热器中的耦合器， 其特征在于： 所述导流筋的 底面低于其所在端壁的内侧表面， 所述导流筋沿所述穿孔（24)的外沿表面形成一个封闭 的环状圈。
7. 根据权利要求 2 所述的用于液体加热器中的耦合器， 其特征在于： 所述连接壁 (11)上开设有安装孔并安装有第一电连接件（15)， 所述周壁 (22)围成一空腔（23)， 所述空腔 （23) 内设置有第二电连接件 （25) ， 第一电连接件 （15) 穿过所述穿孔 （24) 与第二电连接件 （25) 抵接。
8. 根据权利要求 1所述的用于液体加热器中的耦合器， 其特征在于： 所述环形筒壁 ( 12) 的外侧侧向地延伸有若干侧伸壳体 （16)
9. 根据权利要求 1所述的用于液体加热器中的耦合器， 其特征在于： 所述周壁（22) 上的弧形段 （221 ) 与避空段 （222) 分别对称排布， 即两两弧形段 （221 ) 相对设置， 两 两避空段 （222) 相对设置。
10.—种液体加热器， 包括水壶及用以配合水壶加热的底座， 其特征在于： 所述底座 内设置有权利要求 1至 9任一项所述用于液体加热器中的耦合器。
PCT/CN2014/078351 2013-05-23 2014-05-23 用于液体加热器中的耦合器及液体加热器 WO2014187370A1 (zh)

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