WO2010127522A1 - 电热水壶 - Google Patents

电热水壶 Download PDF

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Publication number
WO2010127522A1
WO2010127522A1 PCT/CN2009/073436 CN2009073436W WO2010127522A1 WO 2010127522 A1 WO2010127522 A1 WO 2010127522A1 CN 2009073436 W CN2009073436 W CN 2009073436W WO 2010127522 A1 WO2010127522 A1 WO 2010127522A1
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WO
WIPO (PCT)
Prior art keywords
kettle body
pressure relief
kettle
electric kettle
lid
Prior art date
Application number
PCT/CN2009/073436
Other languages
English (en)
French (fr)
Inventor
郭建刚
姚军
陈永新
Original Assignee
广东新宝电器股份有限公司
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Filing date
Publication date
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
Publication of WO2010127522A1 publication Critical patent/WO2010127522A1/zh

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Classifications

    • 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
    • A47J27/21166—Constructional details or accessories

Definitions

  • the present invention is an electric kettle, in particular an electric kettle with a safety device, which belongs to the modification technology of an electric kettle.
  • the object of the present invention is to provide an electric kettle which ensures that the liquid contained in the kettle body does not flow out after the pot body has fallen over, and which avoids a safety hazard.
  • the invention completely solves the large outflow of the liquid due to the overturning of the kettle body, avoids major safety hazards such as personnel burns and short circuit of the electric appliance, and has the advantages of simple and reasonable structure, low production cost, safety and reliability, and wide application range.
  • the technical solution of the present invention is: comprising a kettle body and a kettle lid, wherein the spout nozzle of the kettle body is provided with a spout sealing device, and the kettle lid is equipped with a pressure relief device, and the kettle lid is provided with The pressure-reducing hole of the atmosphere is connected, and the hollow cavity of the kettle body communicates with the pressure relief hole on the lid through the pressure relief device, and the handle of the kettle body is provided with a water pouring control switch, the spout sealing cover and the drive for controlling the opening thereof One end of the device is connected, and the other end of the driving device is connected to the water pouring switch.
  • the above driving device comprises a connecting rod arranged on the lid of the pot and a push rod arranged on the pot body, one end of the connecting rod and the spout
  • the sealing device is connected, the other end of the connecting rod is connected with one end of the push rod, and the other end of the push rod is connected with the pouring water control switch mounted on the handle.
  • the spout sealing device is provided with a boss for facilitating connection with a connecting rod on the lid.
  • the above spout sealing device is a spout sealing cover which is hinged on a spout holder fixed to the body of the kettle.
  • the pressure relief device is a pressure relief piece made of an elastic material which is assembled on the through hole provided in the lid.
  • the pressure relief sheet is provided with a pressure relief joint that can be automatically opened when the pressure difference between the body and the outside of the kettle body is greater than the set pressure difference, and can be automatically closed when the pressure difference between the inside and the outside of the kettle is less than the set pressure difference.
  • the above-mentioned pouring control switch is a lever type control lever, and the fulcrum of the lever is mounted on the handle provided on the kettle body, and one end of the lever is in contact with the push rod mounted on the kettle body.
  • the above-mentioned push rod is also provided with a return spring.
  • the above-mentioned kettle body is equipped with a control valve, one end of the valve of the control valve is communicated with the hollow inner cavity of the kettle body, the other end of the valve of the control valve is communicated with one end of the steam pipe, and the other end of the steam pipe is installed in the kettle body In the base, the control valve and the thermostat of the power supply are connected.
  • the above control valve is a solenoid valve.
  • the present invention is provided with a spout sealing device at the spouting water hole of the pot body, and the pot lid is equipped with a pressure relief device, and the pot lid is provided with a pressure relief hole which is open to the atmosphere, and the kettle body is hollow.
  • the cavity is connected to the pressure relief hole on the lid by the pressure relief device, and the handle of the kettle body is provided with a water pouring control switch, and the spout sealing cover is connected with one end of the driving device for controlling the opening thereof, the driving device The other end is connected with the pouring switch, and the spout sealing device provided at the spouting water hole ensures that the liquid contained in the pot body does not flow out after the pot body is overturned, thereby avoiding safety hazards.
  • the invention completely solves the large outflow of the liquid due to the overturning of the kettle body, avoids major safety hazards such as personnel burns and short circuit of the electric appliance, and has the advantages of simple and reasonable structure, low production cost, safety and reliability, and wide application range.
  • the kettle body is also equipped with a control valve, one end of the valve of the control valve is connected with the hollow inner cavity of the kettle body, and the other end of the valve of the control valve is communicated with the thermostat installed in the base of the kettle body through the steam pipe, and the temperature control is performed.
  • the device can accurately control the water boiling temperature in different environments.
  • the invention may be a plastic electric kettle or a stainless steel
  • the electric kettle and the electric kettle controlled by various steam thermostats have a wide range of adaptations and are a kind of design.
  • Figure 1 is a schematic view of the structure of the present invention.
  • Figure 2 is a left side view of Figure 1.
  • Figure 3 is a cross-sectional view taken along line A-A of Figure 1.
  • FIG. 4 is an enlarged view of the assembly structure of the control valve at C in Figure 3.
  • Fig. 5 is an enlarged view showing the assembly structure of the pressure relief device at B in Fig. 3.
  • Figure 6 is a schematic view of the P direction of the pressure relief device of Figure 5.
  • Fig. 7 is an enlarged view showing the assembled structure of the spout sealing device and the control device of Fig. 3.
  • 1 is the kettle body
  • 2 is the control valve
  • 3 is the kettle cover
  • 4 is the pressure relief device
  • 5 is the spout sealing cover
  • 11 is the steam pipe
  • 12 is the thermostat
  • 13 is the spout cover Bracket
  • 14 is the spout cap
  • 15 is the push rod
  • 16 is the pouring switch
  • 21 is the end of the control valve
  • 22 is the other end of the control valve
  • 31 is the pressure relief hole of the lid
  • 32 is the connecting rod
  • 41 is unloading The pressure relief joint set by the pressure device.
  • FIG. 1 The structural schematic diagram of the present invention is shown in Figures 1, 2, 3, 4, 5, 6, and 7, and includes a kettle body 1 and a lid 3, wherein the kettle body 1 is provided with a pot at the spout hole.
  • the mouth sealing device 5, the lid 3 is equipped with a pressure relief device 4, and the lid 3 is provided with a pressure relief hole 31 through the atmosphere, and the hollow body of the body 1 is discharged through the pressure relief device 4 and the lid 3
  • the pressure holes 31 are communicated, and the handle of the kettle body 1 is provided with a water pouring control switch 16, and the spout sealing cover 5 is connected to one end of the driving device for controlling the opening thereof, and the other end of the driving device is connected with the water pouring switch 16.
  • the driving device includes a connecting rod 32 disposed on the lid 3 and a push rod 15 disposed on the kettle body 1.
  • One end of the connecting rod 32 is connected to the spout sealing device 5, and the connecting rod 32 The other end is connected to one end of the push rod 15, and the other end of the push rod 15 is connected to a pouring control switch 16 mounted on the handle.
  • the spout sealing device 5 is provided with a boss for facilitating connection with the link 32 on the lid 3.
  • the spout sealing device 5 is a spout sealing cover hinged to the spout holder 13 fixed to the body 1 .
  • the pressure relief device 4 is provided in the pot cover 3 a pressure relief piece made of an elastic material on the hole,
  • the pressure relief piece is provided with a pressure relief joint 41 which can be automatically opened when the pressure difference between the body and the outside of the kettle body is greater than the set pressure difference, and can be automatically closed when the pressure difference between the inside and the outside of the kettle is less than the set pressure difference.
  • the above-mentioned pressure relief sheet is fixed to the through hole provided in the lid 3 by a fixing seat 42 integrally formed therewith.
  • the above-mentioned kettle body 1 is equipped with a control valve 2, and the valve end 22 of the control valve 2 communicates with the hollow cavity of the kettle body 1, and the control valve 2
  • the other end 21 of the valve communicates with one end of the steam pipe 11, and the other end of the steam pipe 11 communicates with a thermostat 12 that is installed in the base of the kettle body 1, controls the control valve 2, and the power supply is turned on and off.
  • the control valve 2 is a solenoid valve.
  • the working principle of the present invention is as follows: When the pressure difference between the inside and the outside of the kettle body 1 is smaller than the operating pressure ⁇ of the pressure relief device 4, the pressure relief device 4 is closed. When the pressure difference between the inside and the outside of the kettle body 1 is greater than the pressure difference set by the pressure relief device 4, the pressure relief joint 41 in the middle of the pressure relief device is automatically opened, and the steam in the kettle body is unloaded through the pressure relief hole 31 connected to the pressure relief device 4. Pressure.
  • the water pouring control switch 16 When the user needs to pour the water, press the water pouring control switch 16 mounted on the handle, the water pouring control switch 16 pushes the push rod 15 to move, and the push rod 15 drives the movement of the connecting rod 32 mounted on the lid 3, the connecting rod 32 drives the spout seal 5 installed at the spout hole, and water flows out from the spout.
  • control valve 2 is closed in a normal state, and the control valve 2 is opened in the electric kettle boiling water operation, and the water vapor in the kettle body 1 is opened from the electromagnetic valve 2 at one end 22 of the kettle body and can flow into the steam pipe 11, and is transferred.
  • the temperature controller 12 detects that the temperature of the water vapor in the kettle body 1 reaches a predetermined temperature, the detection signal is sent to the control device of the electric kettle, and the control device controls the power supply to cut off and the control valve 2 is powered off. , control valve 2 closes immediately

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

Description

说明书 电热水壸
技术领域
[1] 本发明是一种电热水壶， 特别是一种带有安全装置的电热水壶， 属于电热水壶 的改造技术。
背景技术
[2] 现有常规的无线电热水壶大多釆用壶嘴是开放的结构， 当壶体倾倒后， 壶体内 盛载的液体就会迅速流出， 极易造成人员烫伤， 电器短路等重大安全隐患。 也 有电热水壶针对上述问题釆取一些措施， 其釆用的结构是在水壶壶嘴上伸出一 个舌状的密封零件来防翻倒出水， 但这种结构存在的缺点是因为这种结构没有 卸压装置， 壶体不能做成完全封闭。 这样的电热水壶当壶体翻倒后， 只能使装 载壶体内液体的流出速度缓慢一些， 不能有效解决上述安全隐患。 另外， 现有 的电热水壶大多釆用热敏电阻检测及控制水煮沸温度， 但热敏电阻的突跳点不 能准确控制在不同环境下的水煮沸温度。
对发明的公开
技术问题
[3] 本发明的目的在于考虑上述问题而提供一种确保壶体翻倒后， 壶体内盛载的液 体不会流出， 避免出现安全隐患的电热水壶。 本发明彻底解决了因为壶体翻倒 所至的液体大量流出， 避免出现人员烫伤， 电器短路等重大安全隐患， 且结构 简单合理、 制作成本低、 安全可靠、 适用范围广。
技术解决方案
[4] 本发明的技术方案是： 包括有壶体及壶盖， 其中壶体的壶嘴流水孔处装设有壶 嘴密封装置， 壶盖上装配有卸压装置， 壶盖上设有与大气相通的卸压孔， 壶体 的中空腔体通过卸压装置与壶盖上的卸压孔相通， 壶体所设手柄上装设有倒水 控制开关， 壶嘴密封盖与控制其打开的驱动装置的一端连接， 驱动装置的另一 端与倒水开关连接。
[5] 上述驱动装置包括设在壶盖上的连杆及设在壶体上的推杆， 连杆的一端与壶嘴 密封装置连接， 连杆的另一端与推杆的一端连接， 推杆的另一端与装在手柄上 的倒水控制开关连接。
[6] 上述壶嘴密封装置上设有便于与壶盖上的连杆连接的凸台。
[7] 上述壶嘴密封装置为壶嘴密封盖， 其铰接在固定于壶身的壶嘴支架上。
[8] 上述卸压装置为装配在壶盖所设通孔上的由弹性材料做成的卸压片，
卸压片上设有当壶体内、 外压力差大于设定压力差吋能自动打开， 当壶体内外 压力差小于设定压力差吋能自动闭合的卸压缝。
[9] 上述卸压片通过与其一体成型的固定座固定在壶盖所设通孔上。
[10] 上述倒水控制开关为杠杆式控制杆， 其杠杆的支点装设在壶体所设的手柄上， 杠杆的一端与装设在壶体上的推杆触接。
[11] 上述推杆上还设有复位弹簧。
[12] 上述壶体上装配有控制阀， 控制阀的阀门一端与壶体的中空内腔相通， 控制阀 的阀门另一端与蒸汽管的一端相通， 蒸汽管的另一端与装设在壶体的底座内、 控制控制阀及电源通断的温控器相通。
[13] 上述控制阀为电磁阀。
有益效果
[14] 本发明由于釆用壶体的壶嘴流水孔处装设有壶嘴密封装置， 壶盖上装配有卸压 装置， 壶盖上设有与大气相通的卸压孔， 壶体的中空腔体通过卸压装置与壶盖 上的卸压孔相通的结构， 且壶体所设手柄上装设有倒水控制开关， 壶嘴密封盖 与控制其打开的驱动装置的一端连接， 驱动装置的另一端与倒水开关连接， 壶 嘴流水孔处设有的壶嘴密封装置确保壶体翻倒后， 壶体内盛载的液体不会流出 ， 避免出现安全隐患。 当用户需倒水吋， 按下装在手柄上的倒水控制开关， 倒 水控制开关推动壶嘴密封装置打开， 则水从壶嘴流水孔处流出。 本发明彻底解 决了因为壶体翻倒所至的液体大量流出， 避免出现人员烫伤， 电器短路等重大 安全隐患， 且结构简单合理、 制作成本低、 安全可靠、 适用范围广。 另外， 壶 体上还装配有控制阀， 控制阀的阀门一端与壶体的中空内腔相通， 控制阀的阀 门另一端通过蒸汽管与装设在壶体底座内的温控器相通， 温控器能实现准确控 制在不同环境下的水煮沸温度。 本发明可以是塑胶电热水壶， 也可以是不锈钢 电热水壶及各种蒸汽温控器控制的电热水壶， 其适应范围广， 是一种设计巧妙
， 性能优良， 方便实用的电热水壶。
附图说明
[15] 图 1为本发明的结构示意图。
[16] 图 2为图 1的左视图。
[17] 图 3为图 1中的 A-A剖视图。
[18] 图 4为图 3中 C处控制阀的装配结构放大图。
[19] 图 5为图 3中 B处卸压装置的装配结构放大图。
[20] 图 6为图 5中卸压装置的 P向示意图。
[21] 图 7为图 3中壶嘴密封装置与控制装置的装配结构放大图。
[22] 图中： 1为壶体， 2为控制阀， 3为壶盖， 4为卸压装置， 5为壶嘴密封盖， 11为 蒸汽管， 12为温控器， 13为壶嘴盖支架，14为壶嘴盖， 15为推杆，16为倒水开关， 21 为控制阀的一端， 22为控制阀的另一端， 31为壶盖卸压孔， 32为连杆，41为卸压 装置设定的卸压缝。
本发明的最佳实施方式
[23] 实施例：
[24] 本发明的结构示意图如图 1、 2、 3、 4、 5、 6、 7所示， 包括有壶体 1及壶盖 3， 其中壶体 1的壶嘴流水孔处装设有壶嘴密封装置 5， 壶盖 3上装配有卸压装置 4， 壶盖 3上设有与大气相通的卸压孔 31， 壶体 1的中空腔体通过卸压装置 4与壶盖 3 上的卸压孔 31相通， 壶体 1所设手柄上装设有倒水控制开关 16， 壶嘴密封盖 5与 控制其打开的驱动装置的一端连接， 驱动装置的另一端与倒水开关 16连接。
[25] 本实施例中， 上述驱动装置包括设在壶盖 3上的连杆 32及设在壶体 1上的推杆 15 ， 连杆 32的一端与壶嘴密封装置 5连接， 连杆 32的另一端与推杆 15的一端连接， 推杆 15的另一端与装在手柄上的倒水控制开关 16连接。 此外， 上述壶嘴密封装 置 5上设有便于与壶盖 3上的连杆 32连接的凸台。
[26] 本实施例中， 上述壶嘴密封装置 5为壶嘴密封盖， 其铰接在固定于壶身 1的壶嘴 支架 13上。
[27] 为使本发明的结构尽可能简单， 成本低， 上述卸压装置 4为装配在壶盖 3所设通 孔上的由弹性材料做成的卸压片，
卸压片上设有当壶体内、 外压力差大于设定压力差吋能自动打开， 当壶体内外 压力差小于设定压力差吋能自动闭合的卸压缝 41。
[28] 为便于安装及固定， 上述卸压片通过与其一体成型的固定座 42固定在壶盖 3所 设通孔上。
[29] 另外， 为实现准确控制在不同环境下的水煮沸温度， 上述壶体 1上装配有控制 阀 2， 控制阀 2的阀门一端 22与壶体 1的中空内腔相通， 控制阀 2的阀门另一端 21 与蒸汽管 11的一端相通， 蒸汽管 11的另一端与装设在壶体 1的底座内、 控制控制 阀 2及电源通断的温控器 12相通。 本实施例中， 上述控制阀 2为电磁阀。
[30] 本发明的工作原理如下： 当壶体 1的内、 外压力差小于卸压装置 4的动作压力吋 ， 卸压装置 4闭合。 当壶体 1的内、 外压力差大于卸压装置 4设定的压力差吋， 卸 压装置中间的卸压缝 41自动打开， 壶体内的蒸汽通过卸压装置 4连接的卸压孔 31 卸压。 当用户需倒水吋， 按下装在手柄上的倒水控制开关 16， 倒水控制开关 16 推动推杆 15运动， 推杆 15驱动装设在壶盖 3上的连杆 32运动， 连杆 32驱动装在壶 嘴流水孔处的壶嘴密封装置 5打开， 则水从壶嘴流水孔处流出。
[31] 另外， 控制阀 2在常态下关闭， 在电热水壶烧水工作吋控制阀 2打开， 壶体 1内 的水蒸汽从电磁阀 2开放在壶体的一端 22可流入蒸汽管 11， 传送到温控器 12; 当 温控器 12检测到壶体 1内的水蒸汽的温度达到预定温度吋， 把该检测信号送到电 热水壶的控制装置， 控制装置控制电源切断及控制阀 2断电， 控制阀 2立刻关闭

Claims

权利要求书
[1] 一种电热水壶， 包括有壶体 (1)及壶盖 (3)， 其特征在于壶体 (1)
的壶嘴流水孔处装设有壶嘴密封装置 (5)， 壶盖 (3)上装配有卸压装置 (4)， 壶 盖 (3)上设有与大气相通的卸压孔 (31)， 壶体 (1)的中空腔体通过卸压装置 (4) 与壶盖 (3)上的卸压孔 (31)相通， 壶体 (1)所设手柄上装设有倒水控制开关 (16 )， 壶嘴密封盖 (5)与控制其打开的驱动装置的一端连接， 驱动装置的另一端 与倒水开关 (16)连接。
[2] 根据权利要求 1所述的电热水壶， 其特征在于上述驱动装置包括设在壶盖 (3
)上的连杆 (32)及装设在壶体 (1)上的推杆 (15)， 连杆 (32)的一端与壶嘴密封装 置 (5)连接， 连杆 (32)的另一端与推杆 (15)的一端连接， 推杆 (15)的另一端与 装在手柄上的倒水控制开关 (16)连接。
[3] 根据权利要求 2所述的电热水壶， 其特征在于上述壶嘴密封装置 (5)上设有 便于与壶盖 (3)上的连杆 (32)连接的凸台。
[4] 根据权利要求 1所述的电热水壶， 其特征在于上述壶嘴密封装置 (5)为壶嘴 密封盖， 其铰接在固定于壶身 （1) 的壶嘴支架 (13)上。
[5] 根据权利要求 1所述的电热水壶， 其特征在于上述卸压装置 (4)为装配在壶 盖 (3)所设通孔上的由弹性材料做成的卸压片，
卸压片上设有当壶体内、 外压力差大于设定压力差吋能自动打开， 当壶体 内外压力差小于设定压力差吋能自动闭合的卸压缝 (41)。
[6] 根据权利要求 5所述的电热水壶， 其特征在于上述卸压片通过与其一体成型 的固定座 （42) 固定在壶盖 (3)所设通孔上。
[7] 根据权利要求 2所述的电热水壶， 其特征在于上述倒水控制开关 (16)为杠杆 式控制杆， 其杠杆的支点装设在壶体 (1)所设的手柄上， 杠杆的一端与装设 在壶体 (1)上的推杆 (15)触接。
[8] 根据权利要求 7所述的电热水壶， 其特征在于上述推杆 (15)上还设有复位弹 簧 (17) 。
[9] 根据权利要求 1至 8任一项所述的电热水壶， 其特征在于上述壶体 (1)上装配 有控制阀 (2)， 控制阀 (2)的阀门一端 （22) 与壶体 (1)的中空内腔相通， 控制 阀 (2)的阀门另一端 (21)与蒸汽管 (11)的一端相通， 蒸汽管 (11)的另一端与装 设在壶体 (1)的底座内、 控制控制阀 （2) 及电源通断的温控器 (12)相通。
[10] 根据权利要求 9所述的电热水壶， 其特征在于上述控制阀 (2)为电磁阀。
PCT/CN2009/073436 2009-05-08 2009-08-23 电热水壶 WO2010127522A1 (zh)

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CN111025184A (zh) * 2019-12-09 2020-04-17 珠海格力电器股份有限公司 电水壶的耦合器短路的检测方法及装置、存储介质及处理器

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