WO2020042479A1 - 出水阀组件及包括其的加湿器 - Google Patents

出水阀组件及包括其的加湿器 Download PDF

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Publication number
WO2020042479A1
WO2020042479A1 PCT/CN2018/122927 CN2018122927W WO2020042479A1 WO 2020042479 A1 WO2020042479 A1 WO 2020042479A1 CN 2018122927 W CN2018122927 W CN 2018122927W WO 2020042479 A1 WO2020042479 A1 WO 2020042479A1
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WO
WIPO (PCT)
Prior art keywords
valve core
water outlet
groove
flow channel
outlet valve
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PCT/CN2018/122927
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English (en)
French (fr)
Inventor
黄忠平
侯剑飞
周金宝
张建华
莫贤乐
李国亮
Original Assignee
珠海格力电器股份有限公司
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Application filed by 珠海格力电器股份有限公司 filed Critical 珠海格力电器股份有限公司
Priority to US17/047,116 priority Critical patent/US11391380B2/en
Publication of WO2020042479A1 publication Critical patent/WO2020042479A1/zh

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    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/12—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side weight-loaded
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • F16K1/34—Cutting-off parts, e.g. valve members, seats
    • F16K1/36—Valve members
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/32—Details
    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded

Definitions

  • the invention relates to the technical field related to a water outlet valve, in particular to a water outlet valve component and a humidifier including the same.
  • one object of the present invention is to provide a water outlet valve assembly and a humidifier including the same which can avoid the failure of the pre-tensioning force.
  • a water outlet valve assembly is provided at a water outlet of a water tank and includes a body and a pressure limiting portion.
  • the body includes a housing and a valve core assembly, and a flow passage is formed in the housing. Capable of blocking said flow channel,
  • the pressure limiting portion is disposed on the valve core component and can load its own gravity on the valve core component.
  • the pressure limiting portion provides a downward pre-tensioning force to the valve core component, so that The valve core assembly blocks the flow channel.
  • the flow channel is configured as a tubular structure, and a part of the structure of the valve core assembly is located in the flow channel and can be moved along the axial direction of the flow channel.
  • the valve core assembly has a seal for the flow channel. Blocked first position.
  • valve core assembly includes a valve core and a sealing portion
  • the valve core is configured as a rod-like structure, and a part of the structure of the valve core is located in the flow channel.
  • the sealing portion is configured in a disc-like or table-like structure, and a mounting hole is provided on the sealing portion.
  • the sealing portion is connected to the valve core near a first end through the mounting hole. The sealing portion The flow passage can be blocked.
  • a limiting groove is formed on the pressure limiting portion, and the first end of the valve core can be extended into the limiting groove to limit the pressure limiting portion.
  • the first end of the valve core is detachably connected to the limiting groove.
  • the pressure limiting portion is further provided with a groove, the position limiting groove is provided on a bottom wall of the groove, and the sealing portion protrudes into the groove.
  • an inner diameter of the groove is larger than an outer diameter of the flow channel, and at least in the first position, an end portion of the flow channel projects into the groove.
  • the pressure limiting portion includes a plurality of pressure limiting portions having different weights, and at least one of the pressure limiting portions is selected and arranged on the valve core assembly when in use.
  • a humidifier which includes a water tank and a base, and the water outlet of the water tank is provided with the above-mentioned water outlet valve assembly.
  • the water outlet valve assembly provided by the present invention provides a pre-tightening force to the valve core assembly through the pressure limiting part, so that it can block the flow channel, thereby making the plugging reliability better and avoiding the problem of failure or insufficient pre-tightening force.
  • FIG. 1 is a schematic structural diagram of a water outlet valve assembly provided by the present invention
  • Fig. 2 is a schematic cross-sectional view at A-A in Fig. 1.
  • the water outlet valve assembly provided by the invention is arranged at the water outlet of the water tank, and is used for controlling the water outlet of the water tank, and is particularly suitable for electrical equipment such as a humidifier.
  • the water outlet valve assembly provided by the present invention includes a body 1 and a pressure limiting portion 2.
  • the body 1 includes a valve core assembly, and the pressure limiting portion 2 is disposed on the valve core assembly and passes through itself. Gravity provides pressure to the spool assembly.
  • the body 1 includes a housing 11, which is generally configured as a cylindrical structure.
  • a radially inner side of the housing 11 is provided with a flow channel 111, and the flow channel 111 is preferably a channel of a tubular structure.
  • the flow channel 111 extends along the axial direction of the casing 11 and penetrates the casing 11 in the axial direction.
  • the body 1 further includes a spool assembly, and at least a portion of the spool assembly is movably disposed in the flow channel 111.
  • the valve core assembly includes a valve core 12 and a sealing portion 13.
  • the valve core 12 is configured as a rod-shaped structure and is slidably inserted into the flow channel 111 along the axial direction of the flow channel 111.
  • the size of the core 12 in the radial direction is smaller than the size of the flow channel 111 in the radial direction, so that a gap is formed between the valve core 12 and the inner wall of the flow channel 111 to allow water to flow through the flow channel 111.
  • the seal portion 13 is configured as a disc-like or table-like structure, and the end face size of the seal portion 13 is larger than the end size of the flow channel 111, so that the seal portion 13 can perform the end portion of the flow channel 111.
  • a mounting hole is provided in the sealing portion 13, the sealing portion 13 is fixedly mounted on the valve core 12 through the mounting hole, and the sealing portion 13 is connected to a first end near the valve core 12. Position, the sealing portion 13 cannot move relative to the valve core 12 in the axial direction of the valve core 12.
  • a mounting groove is provided along the axial direction of the valve core 12 near its first end, and a diameter of a mounting hole in the sealing portion 13 is smaller than an outer diameter of the valve core 12 and smaller or larger than that of the mounting groove.
  • the outer diameter of the surface on which the bottom wall is located enables the mounting groove to cooperate with the mounting hole to achieve snap-in, limits the seal portion 13 in the axial direction of the valve core 12, and the mounting groove and the Sealing contact is achieved between the mounting holes.
  • the sealing portion 13 is made of a soft material such as rubber.
  • a tapered surface is formed between the first end portion of the valve core 12 and the mounting groove, and the tapered surface guides the installation of the sealing portion 13 to facilitate the installation of the sealing portion 13.
  • the second end of the valve core 12 is inserted into the flow channel 111 from the first end of the flow channel 111 and can move downward.
  • the seal When the portion 13 is in contact with the first end of the flow channel 111, the valve core 12 can no longer continue to slide downward, and at the same time, the sealing portion 13 is pressed against the first end of the flow channel 111, The first end of the flow channel 111 is blocked.
  • the first end of the spool 12 is located outside the flow channel 111; the second end of the spool 12 is close to the second end of the flow channel 111, or, The second end of the valve element 12 protrudes to the outside of the flow channel 111.
  • valve element 12 By applying a thrust force along the axial direction of the second end of the valve element 12, the valve element 12 can drive the sealing portion 13 to move upward, thereby opening the flow channel 111, and after removing the pressure, all The valve core 12 and the sealing portion 13 move downward to a first position, and the sealing portion 13 blocks the flow channel 111.
  • a guide structure 112 is provided in the flow channel 111, and the guide structure 112 supports and guides the sliding of the valve core 12, and in order to avoid the influence of the guide structure 112 on the water flow, it is formed on the guide structure.
  • Structure of water supply circulation may be provided as a plate-like structure, the outer edge of the plate-like structure is connected to the inner wall of the flow channel 111, the plate-like structure is provided with a guide hole, and the valve core 12 can pass through The guide hole slides in the axial direction, and a water hole is provided on the plate-like structure for water supply to circulate.
  • the guide structure 112 includes a guide ring that cooperates with the valve core 12, and the guide ring is connected to the inner wall of the flow channel 111 through a connecting rib, and a plurality of the connecting ribs are provided. A gap is formed to allow water to circulate.
  • the pressure limiting portion 2 provides a downward force to the valve core 12, so that in a natural state, the sealing portion 13 is pressed against the first end of the flow channel 111 and presses the first end of the flow channel 111. Closed at one end.
  • the pressure limiting portion 2 is provided at a first end of the valve body 12 and provides a thrust force to the valve body 12.
  • the pressure limiting portion 2 is configured as a block structure, for example, in this embodiment, the pressure limiting portion 2 is configured as a cylindrical block structure, and a limited position is formed on a first end surface of the pressure limiting portion 2.
  • the limiting hole 21 is configured as a blind hole, and the first end of the valve core 12 can be inserted into the limiting hole 21 during installation, so that the pressure limiting portion 2 can Move, preferably, the limit hole 21 and the first end of the valve core 12 realize an interference fit, or are connected in a detachable manner such as a snap connection, so that the pressure limiting portion 2 cannot be removed from the The valve core 12 comes off.
  • a groove 22 is further provided on the first end surface of the pressure limiting portion 2.
  • the limiting hole 21 is formed on the bottom surface of the groove 22.
  • the sealing portion 13 is located in the groove 22.
  • a sidewall of the groove 22 and the sealing portion 13 pass through. Interference fit to improve the installation reliability of the pressure limiting portion 2.
  • valve element 12 when the valve element 12 is located in the first position, that is, the sealing portion 13 blocks the flow channel 111, the first end of the flow channel 111 protrudes into the groove. Within 22.
  • valve element 12 drives the sealing portion 13 and the pressure limiting portion 2 to move upward by a certain distance to separate the sealing portion 13 from the flow channel 111, the first end of the flow channel 111 It is still located in the groove 22, so that water flows into the flow channel 111 through the gap between the groove 22 and the outer wall of the flow channel 111.
  • Making the inner wall of the groove 22 cooperate with the outer wall of the flow channel 111 can further limit the radial movement of the limiting portion 2 to avoid a relatively large displacement in the radial direction and the reliability of its installation. Make an impact.
  • the radial dimension of the side wall of the groove 22 near the first end of the pressure limiting portion 2 is larger than the radial dimension of the side wall of the groove 22 near the bottom of the groove 22, so that the pressure limiting portion 2 faces upward.
  • the gap between the inner wall and the flow channel 111 is larger, which is more conducive to water circulation.
  • the side wall of the groove 22 is configured as a part of a tapered surface.
  • the water outlet valve assembly may include a plurality of the pressure-limiting portions 2, and the weights of the plurality of the pressure-limiting portions 2 are different, and the pressure-limiting portion 2 of an appropriate weight may be selected according to requirements to make the valve core 12 can obtain sufficient pre-tightening force, thereby ensuring the reliability of the sealing portion 13 blocking the flow channel 111, and adjusting the thrust required to open the sealing portion 13, so that the water outlet valve assembly Can be applied to more equipment.
  • the casing 11 is further provided with an outlet flow channel 113, the outlet flow channel 113 communicates with the flow channel 111, and water flows from the flow channel 111.
  • the first end flows in, and flows out through the outlet flow channel 113.
  • the housing 11 is further provided with a blocking structure (not shown in the figure), which blocks the second end of the flow channel 111, and the blocking structure Deformation may occur so that the thrust force can be applied to the valve core 12 through the plugging structure, which is preferably connected to the housing 11 in a detachable manner.
  • the upper end side wall of the casing 11 is provided with a latching portion 114.
  • a plurality of the latching portions 114 are provided at a distance from each other in the circumferential direction.
  • the latching portions 114 are configured on the casing 11 side.
  • the engaging portion 114 enables the casing 11 to be rotationally engaged with the water outlet of the water tank.
  • a sealing member is provided at the connection between the casing 11 and the water tank to seal the connection.
  • the present invention also provides a humidifier.
  • the humidifier includes a water tank and a base.
  • the water outlet of the water tank is provided with the water outlet valve structure, and water is injected into the water tank through opening and closing control of the water outlet valve structure.
  • the water outlet valve assembly provided by the present invention provides a pre-tightening force to the valve core assembly through the pressure limiting part, so that it can block the flow channel, thereby making the plugging reliability better and avoiding the problem of failure or insufficient pre-tightening force.
  • the setting of the pressure limiting portion can make water provide a certain pressure to the pressure limiting portion, thereby further increasing the pre-tightening force and further improving the reliability of the plugging.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Safety Valves (AREA)
  • Air Humidification (AREA)

Abstract

一种出水阀组件及包括其的加湿器，所述出水阀组件设置在水箱出水口处，包括本体（1）和限压部（2），所述本体（1）包括壳体（11）和阀芯组件，所述壳体（11）内形成有流道（111），所述阀芯组件能够对所述流道（111）进行封堵，所述限压部（2）设置在所述阀芯组件上并能够将其自身的重力加载在所述阀芯组件上，所述限压部（2）对所述阀芯组件提供向下的预紧力，使所述阀芯组件对所述流道（111）进行封堵。出水阀组件通过限压部（2）对阀芯组件提供预紧力使其能够将流道（111）封堵，从而使封堵的可靠性更好，不会出现预紧力失效或不足的问题。

Description

出水阀组件及包括其的加湿器
本申请要求于2018年8月27日提交中国专利局、申请号为201810978845.6、发明名称为“出水阀组件及包括其的加湿器”的中国专利申请的优先权，其全部内容通过引用结合在本申请中。
技术领域
本发明涉及出水阀相关技术领域，特别是一种出水阀组件及包括其的加湿器
背景技术
市场上现有加湿器的水箱密封阀门多为采用弹簧弹力带动阀芯组件运动的密封方式，采用弹簧拉力使阀体压紧支架达到密封的目的，该密封方式完全依靠弹簧的弹力，若弹簧失效，则该密封方式失效。
并且，弹簧提供的弹力是固定的，不能对开启阀门需要的力进行调整。
发明内容
有鉴于此，本发明的目的之一是提供一种能够避免预紧力失效的出水阀组件及包括其的加湿器。
第一方面，提供一种出水阀组件，设置在水箱出水口处，包括本体和限压部，所述本体包括壳体和阀芯组件，所述壳体内形成有流道，所述阀芯组件能够对所述流道进行封堵，
所述限压部设置在所述阀芯组件上并能够将其自身的重力加载在所述阀芯组件上，所述限压部对所述阀芯组件提供向下的预紧力，使所述阀芯组件对所述流道进行封堵。
优选地，所述流道构造为管状结构，所述阀芯组件的部分结构位于所述流道内，并能够沿所述流道的轴向移动，所述阀芯组件具有将所述 流道封堵的第一位置。
优选地，所述阀芯组件包括阀芯和密封部，
所述阀芯构造为杆状结构，所述阀芯的部分结构位于流道内，
所述密封部构造为盘状或台状结构，所述密封部上设置有安装孔，所述密封部通过所述安装孔连接在所述阀芯上靠近第一端的位置，所述密封部能够对所述流道进行封堵。
优选地，所述限压部上形成有限位槽，所述阀芯的第一端能够伸入到所述限位槽内对所述限压部进行限位。
优选地，所述阀芯的第一端与所述限位槽之间可拆卸连接。
优选地，所述限压部上还设置有凹槽，所述限位槽设置在所述凹槽的底壁上，所述密封部伸入到所述凹槽内。
优选地，所述密封部与所述凹槽的槽壁之间为过盈配合。
优选地，所述凹槽的内径大于所述流道的外径，至少在所述第一位置时，所述流道的端部伸入到所述凹槽内。
优选地，所述限压部包括多个，多个所述限压部具有不同的重量，使用时选取至少一个所述限压部设置在所述阀芯组件上。
第二方面，提供一种加湿器，包括水箱和底座，所述水箱的出水口处设置有上述出水阀组件。
本发明提供的出水阀组件通过限压部对阀芯组件提供预紧力使其能够将流道封堵，从而使封堵的可靠性更好，不会出现预紧力失效或不足的问题。
附图说明
通过以下参照附图对本发明实施例的描述，本发明的上述以及其它目的、特征和优点将更为清楚，在附图中：
图1示出本发明提供的出水阀组件的结构示意图；
图2示出图1中A-A处截面示意图。
具体实施方式
以下基于实施例对本发明进行描述，但是本发明并不仅仅限于这些实施例。本领域普通技术人员应当理解，在此提供的附图都是为了说明的目的，并且附图不一定是按比例绘制的。
除非上下文明确要求，否则整个说明书和权利要求书中的“包括”、“包含”等类似词语应当解释为包含的含义而不是排他或穷举的含义；也就是说，是“包括但不限于”的含义。
在本发明的描述中，需要理解的是，术语“第一”、“第二”等仅用于描述目的，而不能理解为指示或暗示相对重要性。此外，在本发明的描述中，除非另有说明，“多个”的含义是两个或两个以上。
本发明提供的出水阀组件设置在水箱的出水口处，用于控制水箱的出水，特别适用于加湿器等电器设备。
如图1、2所述，本发明提供的出水阀组件包括本体1和限压部2，所述本体1包括阀芯组件，所述限压部2设置在所述阀芯组件上并通过自身重力对所述阀芯组件提供压力。
具体地，所述本体1包括壳体11，所述壳体11大体构造为筒形结构，所述壳体11的径向内侧设置有流道111，所述流道111优选为管状结构的通道，所述流道111沿所述壳体11的轴向延伸，并在轴向上贯通所述壳体11。
所述本体1还包括阀芯组件，所述阀芯组件的至少部分可移动地设置在所述流道111内。所述阀芯组件包阀芯12和密封部13，所述阀芯12构造为杆状结构，并沿所述流道111的轴向可滑动的插入到所述流道111内，所述阀芯12在径向上的尺寸小于所述流道111的径向上的尺寸，使所述阀芯12和所述流道111内壁之间形成间隙，以供水从所述流道111内流通。所述密封部13构造为盘状或台状结构，所述密封部13的端面尺寸大于所述流道111的端部尺寸，使所述密封部13能够对所述流道111的端部进行封堵。在所述密封部13上设置有安装孔，所述密封部13通过所述安装孔固定安装到所述阀芯12上，并且所述密封部13连接到靠近所述阀芯12的第一端的位置，在所述阀芯12的轴向上，所述密封部13不能相对所述阀芯12移动。所述阀芯12靠近其第一端的位置沿 其轴向设置有安装槽，所述密封部13上的安装孔的孔径小于所述阀芯12的外径，小于或大于所述安装槽的底壁所在面的外径，使所述安装槽与所述安装孔配合实现卡接，对所述密封部13在所述阀芯12的轴向上进行限位，并且所述安装槽与所述安装孔之间实现密封接触。优选地，所述密封部13为橡胶等软质材质。进一步地，所述阀芯12的第一端部与所述安装槽之间形成锥面，所述锥面对所述密封部13的安装进行导向，方便所述密封部13的安装。
所述阀芯12的第二端从所述流道111的第一端插入到所述流道111内，并能够向下移动，当所述阀芯12移动到第一位置时，所述密封部13与所述流道111的第一端接触时，所述阀芯12不能再继续向下滑动，同时使所述密封部13压紧在所述流道111的第一端，对所述流道111的第一端进行封堵。优选地，在所述第一位置，所述阀芯12的第一端位于所述流道111的外侧；所述阀芯12的第二端靠近所述流道111的第二端，或者，所述阀芯12的第二端伸出到所述流道111的外侧。通过对所述阀芯12的第二端施加沿其轴向向上的推力可以使所述阀芯12带动所述密封部13向上运动，从而将所述流道111开启，撤掉压力后，所述阀芯12和密封部13向下运动至第一位置，所述密封部13将所述流道111封堵。
所述流道111内设置有导向结构112，所述导向结构112对所述阀芯12的滑动进行支撑和导向，并且为了避免所述导向结构112对水流造成影响，在所述导向结构上形成供水流通的结构。例如，所述导向结构112可以设置为板状结构，所述板状结构外侧边缘与所述流道111的内壁连接，所述板状结构上设置有导向孔，所述阀芯12能够穿过所述导向孔并沿轴向滑动，所述板状结构上设置过水孔，以供水流通。或者，所述导向结构112包括与所述阀芯12配合的导向环，所述导向环通过连接筋与所述流道111内壁连接，所述连接筋设置多个，多个所述连接筋之间形成间隙，以供水流通。
所述限压部2对所述阀芯12提供向下的力，使得在自然状态下，所述密封部13压紧在所述流道111的第一端并将所述流道111的第一端封闭。在本实施例中，所述限压部2设置在所述阀芯12的第一端，对所 述阀芯12提供推力。优选地，所述限压部2构造为块状结构，例如在本实施例中所述限压部2构造为圆柱形块状结构，在所述限压部2的第一端面上形成有限位孔21，所述限位孔21构造为盲孔，安装时所述阀芯12的第一端能够伸入到所述限位孔21内，使所述限压部2在其径向上能不能移动，优选地，所述限位孔21与所述阀芯12的第一端实现过盈配合，或者通过卡接等可拆卸的方式进行连接，使所述限压部2不能够从所述阀芯12上脱落。
进一步地，所述限压部2的第一端面上还设置有凹槽22，此时所述限位孔21形成在所述凹槽22的底面上。当设置有所述凹槽22时，所述限压部2安装后，所述密封部13位于所述凹槽22内，优选地，所述凹槽22的侧壁与所述密封部13过盈配合，以提高所述限压部2安装的可靠性。
更进一步地，当所述阀芯12位于所述第一位置，即所述密封部13对所述流道111进行封堵时，所述流道111的第一端伸入到所述凹槽22内。或者，当所述阀芯12带动所述密封部13和所述限压部2向上移动一定的距离使所述密封部13与所述流道111分离后，所述流道111的第一端仍然位于所述凹槽22内，使水通过所述凹槽22与所述流道111外壁之间的间隙流入到所述流道111内。使得所述凹槽22的内壁与所述流道111的外壁配合可以进一步对所述限位部2的径向上的移动进行限位，避免在径向上发生比较大的位移对其安装的可靠性造成影响。优选地，所述凹槽22的侧壁在靠近所述限压部2的第一端的径向尺寸大于靠近所述凹槽22底壁部分的径向尺寸，使所述限压部2向上移动后，其内壁与所述流道111间隙更大，更利于水流通，进一步地，所述凹槽22的侧壁构造为锥形面的一部分。
优选地，所述出水阀组件可以包括多个所述限压部2，多个所述限压部2的重量不同，可以根据需要选取合适重量的所述限压部2以使所述阀芯12能够获取足够的预紧力，从而保证所述密封部13对所述流道111封堵的可靠性，并能够对开启所述密封部13所需的推力进行调整，使所述出水阀组件能够适用更多的设备。
如图1所示，在一个优选地实施例中，所述壳体11上还设置有出 水流道113，所述出水流道113与所述流道111连通，水从所述流道111的第一端流入，经所述出水流道113流出。在本实施例中，所述壳体11上还设置有封堵结构(图中未示出)，所述封堵结构对所述流道111的第二端进行封堵，所述封堵结构可发生变形，以便能够通过所述封堵结构对所述阀芯12施加推力，所述封堵结构优选通过可拆卸方式密封连接到所述壳体11上。
所述壳体11的上端侧壁上设置有卡接部114，所述卡接部114沿其周向相互间隔地设置有多个，所述卡接部114构造为在所述壳体11侧壁上形成的凸起结构。通过所述卡接部114使所述壳体11能够与水箱的出水口处实现旋转卡接，优选地，所述壳体11与水箱连接处设置密封件，以对连接处进行密封。
本发明还提供一种加湿器，所述加湿器包括水箱和底座，所述水箱的出水口处设置有所述出水阀结构，通过所述出水阀结构的开闭控制向所述水槽内注水。
本发明提供的出水阀组件通过限压部对阀芯组件提供预紧力使其能够将流道封堵，从而使封堵的可靠性更好，不会出现预紧力失效或不足的问题。另一方面，限压部的设置可以使水对限压部提供一定的压力，从而进一步加大预紧力，进一步提高封堵的可靠性。
本领域的技术人员容易理解的是，在不冲突的前提下，上述各优选方案可以自由地组合、叠加。
应当理解，上述的实施方式仅是示例性的，而非限制性的，在不偏离本发明的基本原理的情况下，本领域的技术人员可以针对上述细节做出的各种明显的或等同的修改或替换，都将包含于本发明的权利要求范围内。

Claims (10)

  1. 一种出水阀组件，设置在水箱出水口处，其特征在于，包括本体和限压部，所述本体包括壳体和阀芯组件，所述壳体内形成有流道，所述阀芯组件能够对所述流道进行封堵，
    所述限压部设置在所述阀芯组件上并能够将其自身的重力加载在所述阀芯组件上，所述限压部对所述阀芯组件提供向下的预紧力，使所述阀芯组件对所述流道进行封堵。
  2. 根据权利要求1所述的出水阀组件，其特征在于，所述流道构造为管状结构，所述阀芯组件的部分结构位于所述流道内，并能够沿所述流道的轴向移动，所述阀芯组件具有将所述流道封堵的第一位置。
  3. 根据权利要求2所述的出水阀组件，其特征在于，所述阀芯组件包括阀芯和密封部，
    所述阀芯构造为杆状结构，所述阀芯的部分结构位于流道内，
    所述密封部构造为盘状或台状结构，所述密封部上设置有安装孔，所述密封部通过所述安装孔连接在所述阀芯上靠近第一端的位置，所述密封部能够对所述流道进行封堵。
  4. 根据权利要求3所述的出水阀组件，其特征在于，所述限压部上形成有限位槽，所述阀芯的第一端能够伸入到所述限位槽内对所述限压部进行限位。
  5. 根据权利要求4所述的出水阀组件，其特征在于，所述阀芯的第一端与所述限位槽之间可拆卸连接。
  6. 根据权利要求4所述的出水阀组件，其特征在于，所述限压部上还设置有凹槽，所述限位槽设置在所述凹槽的底壁上，所述密封部伸入到所述凹槽内。
  7. 根据权利要求6所述的出水阀组件，其特征在于，所述密封部与所述凹槽的槽壁之间为过盈配合。
  8. 根据权利要求6所述的出水阀组件，其特征在于，所述凹槽的内径大于所述流道的外径，至少在所述第一位置时，所述流道的端部伸入到所述凹槽内。
  9. 根据权利要求1-8之一所述的出水阀组件，其特征在于，所述限压部包括多个，多个所述限压部具有不同的重量，使用时选取至少一个所述限压部设置在所述阀芯组件上。
  10. 一种加湿器，包括水箱和底座，其特征在于，所述水箱的出水口处设置有权利要求1-9之一所述的出水阀组件。
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