WO2011137728A1 - 旋转切换雨淋花洒 - Google Patents

旋转切换雨淋花洒 Download PDF

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Publication number
WO2011137728A1
WO2011137728A1 PCT/CN2011/073491 CN2011073491W WO2011137728A1 WO 2011137728 A1 WO2011137728 A1 WO 2011137728A1 CN 2011073491 W CN2011073491 W CN 2011073491W WO 2011137728 A1 WO2011137728 A1 WO 2011137728A1
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WIPO (PCT)
Prior art keywords
water
switching
rotating unit
unit
disk
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PCT/CN2011/073491
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English (en)
French (fr)
Inventor
周华松
蔡和先
陈斌
熊洪煌
Original Assignee
厦门松霖科技有限公司
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Priority claimed from CN2010201785887U external-priority patent/CN201669174U/zh
Priority claimed from CN 201010162008 external-priority patent/CN101954320A/zh
Application filed by 厦门松霖科技有限公司 filed Critical 厦门松霖科技有限公司
Publication of WO2011137728A1 publication Critical patent/WO2011137728A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
    • B05B1/14—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with multiple outlet openings; with strainers in or outside the outlet opening
    • B05B1/18—Roses; Shower heads
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B3/00—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements
    • B05B3/02—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements
    • B05B3/04—Spraying or sprinkling apparatus with moving outlet elements or moving deflecting elements with rotating elements driven by the liquid or other fluent material discharged, e.g. the liquid actuating a motor before passing to the outlet

Definitions

  • the invention relates to a shower head, in particular to a rotary switching rain shower.
  • the existing rain showers mainly adopt the swing switching mode, such as the utility model patent application of CN200810072279.9 applied by the applicant.
  • the swing switching structure of the water outlet device comprises a shower body, a water dividing body and a water discharging device, wherein the water discharging device is fixed under the shower body, and the water dividing body is sealed and fixed above the water discharging device; and the water dividing body is provided with at least two water dividing bodies
  • the holes are respectively connected to the functional water chambers of the water outlet device; a movable switching device is located above the water dividing body in the shower body, and is fixed to the water supply joint through the shower body, and the shower body swings relative to the movable switching device,
  • the movable switching device can block the water dividing hole of the water dividing body, and keep one water dividing hole in an open state.
  • the swinging can be tilted when the shower is flapped, and the movable switching device separately controls different water distribution on the water dividing body.
  • the water from the hole is used to switch between various functional waters. It has the following shortcomings: the switching is inconvenient and the structure is complicated.
  • the invention provides a rotary switching rain shower which overcomes the inconvenience of switching in the rain shower in the background art and has a complicated structure.
  • Rotate to switch the rain shower which includes:
  • a fixed unit having a water inlet passage capable of connecting to a water source
  • a rotating unit rotatably attached to the fixed unit, which has a plurality of water discharging functions
  • a switching mechanism that includes:
  • a switch disk which is rotatably attached to the rotating unit, the switch plate is provided with a plurality of ratchet teeth on the annular display, and the water discharge function is switched by the relative rotation between the switch disk and the rotating unit to switch on the water inlet channel;
  • a pawl which is fixed at one end to the fixing unit, and the other end is abutted against the ratchet teeth of the switching disc, and the relative rotation between the rotating unit and the fixing unit is used to act on the ratchet teeth to make the switching disc rotate forward;
  • a stop pawl that is coupled between the rotating unit and the ratchet of the switch disc for preventing the switch disc from reversing.
  • an elastic body for resetting the rotating unit is disposed between the fixing unit and the rotating unit.
  • the relative rotational axis between the rotating unit and the fixed unit coincides with the rotational axis of the switching disk.
  • the fixing unit comprises a water inlet body, and the pawl is fixed at one end to the outer side of the water inlet body.
  • the inlet body is hollow to form a water inlet passage.
  • the rotating unit includes a body rotatably sleeved outside the fixing unit and a water outlet terminal fixed under the body, the water outlet terminal has a water dividing tank, and the plurality of water discharging functions respectively have a water dividing hole
  • the annular openings of the water dividing holes are arranged on the bottom surface of the water dividing tank;
  • the switch disk can be rotatably connected in the water distribution tank, and the bottom surface of the switch plate is sealed and rotatably connected to the bottom surface of the water distribution tank.
  • the switch plate is provided with a water outlet hole extending through the upper and lower sides, and the switch plate and the water distribution tank are The relative rotation realizes that the water dividing holes are switched to be aligned with the water outlet holes.
  • the water inlet channel is connected to the water dividing tank.
  • the switch disk includes a disk body and a surrounding wall fixed on the disk body, and the outer surface of the surrounding wall is provided with a ratchet in a ring shape; the water outlet hole is opened in The disc is located outside the enclosure.
  • one end of the stopping claw is pivotally connected to the rotating unit, and the other end is abutted against the ratchet of the switching disc.
  • the stopping claw is arranged to prevent the switching disc from being reversed, and the elastic body is provided for resetting the rotating unit, so as to avoid the rotation unit resetting and affecting the switching state retention, which is convenient for the user to use;
  • the water body not only plays a role in connection, but also plays a role in connection;
  • the annular display of the water dividing holes is arranged on the bottom surface of the water dividing tank, and the bottom surface of the switching plate is sealed and rotatably connected to the bottom surface of the water dividing tank, so that the switching disk is conveniently positioned to ensure the sealing performance;
  • the switch disk comprises a disk body and a surrounding wall, and a circular tooth is arranged on the outer surface of the rotating surface of the surrounding wall to facilitate setting a water outlet hole on the switching plate.
  • FIG. 1 is a perspective view of a showerhead of a preferred embodiment.
  • FIG. 2 is a second perspective view of a shower of a preferred embodiment.
  • FIG. 3 is a perspective exploded view of a shower of a preferred embodiment.
  • FIG. 4 is a perspective exploded view of the shower of a preferred embodiment.
  • FIG. 5 is a perspective view of a water inlet body of a preferred embodiment.
  • FIG. 6 is a perspective view of a water split body of a preferred embodiment.
  • FIG. 7 is a schematic perspective view of a switch disk according to a preferred embodiment.
  • FIG. 8 is a perspective view of a stop pawl of a preferred embodiment.
  • FIG. 9 is a perspective view of the body of the shower with a preferred embodiment.
  • FIG. 10 is a top plan view of the body of the showerhead of the preferred embodiment, wherein the first water outlet function of the shower water is discharged.
  • FIG. 11 is a top plan view of the shower body and the fixing unit of the shower according to a preferred embodiment, in which the first water outlet function of the shower is discharged.
  • Figure 12 is a schematic view showing the shower of the preferred embodiment rotated in a first direction.
  • Figure 13 is a top plan view of the shower body and the fixing unit of the shower according to a preferred embodiment, in which the second water outlet function of the shower is discharged.
  • Figure 14 is a cross-sectional view showing the shower of a preferred embodiment.
  • the rotary switching rain shower includes a fixing unit 100, a rotating unit 200, a switching mechanism 300 and a resetting elastic body 400.
  • the fixing unit 100 includes a water inlet body 110 and a plug 120.
  • the water inlet body 110 includes a ring piece 111 and a connecting sleeve 112 extending upward from the inner circumference of the ring piece 111.
  • the ring piece 111 is convexly provided with a bump 113 (cooperating with the body to reduce contact area and reduce friction) ), a water inlet passage 114 is formed in the water inlet body 110.
  • the upper end of the connecting sleeve 112 of the water inlet body 110 is fixed by the plug 120 and is connected to the water source.
  • the rotating unit 200 includes a body 210 and a water outlet terminal 220.
  • the body 210 can be rotatably sleeved outside the connecting sleeve 112 of the water inlet body 110 and supported on the ring piece 111 of the water inlet body 110, so that the body 210 can be wound around the fixing sleeve 100 about the axis of the connecting sleeve 112. Turn.
  • a Y-ring 130 may be disposed between the water inlet body 110 and the body 210 as needed.
  • the water outlet terminal 220 is fixed under the body 210 and includes a water dividing body 221, a water deflecting body 222, a side cover 223 and a decorative cover 224.
  • the oblique water body 222, the face cover 223 and the decorative cover 224 are fixed together and have a plurality of water discharge functions.
  • the water dividing body 221 is fixed on the inclined water body 222, and the water dividing body 221 is fixed with a peripheral wall 225, and the inner wall 225 of the water dividing body 221 can be defined as a water dividing tank 226, and the water dividing tank 226 Located below the water inlet 110 and the water inlet passage 114 is opened.
  • the plurality of water discharge functions respectively have a component water hole 227, and the multi-component water hole 227 is arranged in a ring shape on the bottom surface of the water distribution tank 226.
  • each component water hole 227 includes an annular array.
  • a small O-ring 228 is disposed at the opening of each of the water dividing holes.
  • a pivoting platform 229 is protruded from the peripheral wall 225.
  • the switching mechanism 300 includes a switching disk 310, a pawl 320 and a stop pawl 330.
  • the switch disk 310 includes a disk body 311 and a surrounding wall 312 fixed on the disk body 311.
  • the outer surface of the surrounding wall 312 is annularly provided with ratchet teeth 313.
  • a plurality of water outlet holes 314 are formed on the disk body 311.
  • the water outlet holes 314 include four water outlet holes arranged in an annular array.
  • the water outlet holes are located outside the surrounding wall and are adapted to the water dividing holes. 227.
  • the switch disk 310 can be rotatably connected in the water distribution tank 226.
  • the bottom surface of the switch disk 310 is sealed and rotatably connected to the bottom surface of the water distribution tank 226 (the top surface of the water-dividing body located in the surrounding wall), and the switch disk 310 and the minute are divided.
  • the relative rotation between the water tanks 226 enables the multi-component water holes 227 to be switched in alignment with the water outlet holes 314 to open the water inlet passages 114.
  • a large O-ring 315 may also be disposed between the switch disk 310 and the water dividing body 221 as needed.
  • the relative rotational axis between the rotating unit and the fixed unit coincides with the rotational axis of the switching disk.
  • the pawl 320 has one end fixed to the ring piece 111 of the water body 110, and the other end abuts against the ratchet tooth 313 of the switch disk 310, and the pawl 320 acts by the relative rotation between the rotating unit 200 and the fixing unit 100.
  • the switch disk 310 is rotated forward.
  • the relationship between the pawl 320 and the ratchet 313 is such that when the ratchet 313 is rotated in the first direction, the pawl 320 can act on the ratchet 313 to rotate it in the second direction (opposite to the first The pawl 320 does not act on the ratchet teeth 313 when rotated in one direction).
  • the stopping claw 330 has one end pivoted on the pivoting platform 229 of the water dividing body 221 and the other end abutting against the ratchet teeth 313 of the switching disc 310 for preventing the switching disc 310 from being reversed.
  • the relationship between the stop pawl 330 and the ratchet 313 is such that the ratchet 313 can rotate forward relative to the stop pawl 330 and cannot be reversed relative to the pawl 320.
  • the returning elastic body 400 employs a torsion spring disposed between the water inlet body 110 and the body 210.
  • the user pushes the decorative cover 224 such that the rotating unit 200 rotates relative to the fixed unit 100 in the first direction; the relative rotation between the pawl 320 and the switching disc 310 causes the pawl 320 to act on the ratchet 313 of the switching disc 310, such that The switching disk 310 is rotated forward; the water outlet hole 314 is aligned with the second water dividing hole, and the second water discharging function is out of water; the user releases the driving force, and under the action of the torsion spring 400, the rotating unit 200 faces the second fixed unit 100 The direction (opposite to the first direction) is rotated. At this time, the switching disc 310 is prevented from being reversed by the stopper claw 330, and the second water discharging function maintains the water.
  • the rotary switching rain shower of the invention utilizes the relative rotation between the rotating unit and the fixed unit to make the pawl act on the ratchet, so that the switching disc rotates forward, and the water rotation function is realized by the relative rotation between the switching disc and the rotating unit. Switching, switching is convenient and fast, saving positioning mechanism and simple structure.

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  • Bathtubs, Showers, And Their Attachments (AREA)
  • Domestic Plumbing Installations (AREA)

Description

旋转切换雨淋花洒 技术领域
本发明涉及一种花洒，尤其涉及一种旋转切换雨淋花洒。
背景技术
现有的雨淋花洒主要是采用摆动切换方式，如本申请人申请的CN200810072279.9的实用新型专利申请。一种出水装置的摆动切换结构，包括花洒本体、分水体及出水装置，出水装置固定在花洒本体下方，而分水体是密封固定在出水装置上方；分水体上设有至少两个分水孔以分别连通出水装置的各功能水腔；一活动切换装置是位于花洒本体中的分水体上方，其穿过花洒本体与供水接头固定在一起，花洒本体相对活动切换装置摆动时，活动切换装置可以封堵分水体其中的分水孔，保留一个分水孔处于打开状态。它是通过在花洒中设置的活动切换装置，再配合花洒与供水管接头的活动配合关系，在拍动花洒时可令其摆动倾斜，由活动切换装置分别控制分水体上不同分水孔的出水，从而实现各种功能水的切换。它存在有如下的不足之处：切换不便，结构复杂。
发明内容
本发明提供了旋转切换雨淋花洒，其克服了背景技术中雨淋花洒所存在的切换不便，结构复杂。
本发明解决其技术问题的所采用的技术方案是：
旋转切换雨淋花洒，它包括：
一固定单元，它具有一能够接通水源的进水通道；
一转动单元，它能转动地装接在固定单元，它具有多个出水功能；及
一切换机构，它包括：
一切换盘，它能转动地装接在转动单元，所述切换盘上环形陈列设有多个棘齿，利用切换盘和转动单元之间的相对转动实现出水功能切换接通进水通道；
一棘爪，它一端固接固定单元，另一端顶抵切换盘棘齿，利用转动单元和固定单元之间的相对转动，使棘爪作用于棘齿，使切换盘正转；及
一止位爪，它连接在转动单元和切换盘的棘齿之间，用于防止切换盘反转。
一较佳实施例之中：所述固定单元和转动单元之间设置有一用于使转动单元复位的弹性体。
一较佳实施例之中：所述转动单元和固定单元之间的相对转动轴线和切换盘的转动轴线重合。
一较佳实施例之中：所述固定单元包括一进水体，所述棘爪一端固接在进水体之外侧面。
一较佳实施例之中：所述进水体中空形成进水通道。
一较佳实施例之中：
所述转动单元包括一能转动套接在固定单元之外的本体和一固接在本体之下的出水终端，所述出水终端具有一分水槽，所述多个出水功能分别具有一分水孔，所述该些分水孔环形陈列布置在分水槽之底面；
所述切换盘能转动连接在分水槽之内，所述切换盘底面密封转动连接在分水槽之底面，所述切换盘之上开设有一贯穿上下的出水孔，通过切换盘和分水槽之间的相对转动实现该些分水孔切换对齐接通出水孔。
一较佳实施例之中：所述进水通道接通分水槽。
一较佳实施例之中：所述切换盘包括一盘体及一固设在盘体之上的围壁，所述围壁之外回转面环形陈列设有棘齿；所述出水孔开设在盘体上并位于围壁之外。
一较佳实施例之中：所述止位爪的一端枢接在转动单元，另一端顶抵在切换盘的棘齿。
本技术方案与背景技术相比，它具有如下优点：
1、利用转动单元和固定单元之间的相对转动，使棘爪作用于棘齿，使切换盘正转，利用切换盘和转动单元之间的相对转动实现出水功能切换，切换方便快速，节省定位机构，结构简单；
2、设有止位爪用于防止切换盘反转，设有弹性体用于使转动单元复位，避免转动单元复位影响切换状态保持，便于用户使用；
3、转动单元和固定单元之间的相对转动轴线和切换盘的转动轴线重合，则用户只需轻拨，即可实现切换；
4、进水体不但起连接作用，而且还起接通作用；
5、该些分水孔环形陈列布置在分水槽之底面，切换盘底面密封转动连接在分水槽之底面，则便于定位切换盘，便于保证密封性能；
6、切换盘包括盘体和围壁，围壁之外回转面环形陈列设有棘齿，便于在切换盘上设置出水孔。
附图说明
下面结合附图和实施例对本发明作进一步说明。
图1绘示了一较佳实施例的花洒的立体示意图之一。
图2绘示了一较佳实施例的花洒的立体示意图之二。
图3绘示了一较佳实施例的花洒的立体分解示意图之一。
图4绘示了一较佳实施例的花洒的立体分解示意图之二。
图5绘示了一较佳实施例的进水体的立体示意图。
图6绘示了一较佳实施例的分水体的立体示意图。
图7绘示了一较佳实施例的切换盘的立体示意图。
图8绘示了一较佳实施例的止位爪的立体示意图。
图9绘示了一较佳实施例的花洒的去处本体的立体示意图。
图10绘示了一较佳实施例的花洒的去处本体的俯视示意图，此时花洒第一出水功能出水。
图11绘示了一较佳实施例的花洒的去处本体和固定单元的俯视示意图，此时花洒第一出水功能出水。
图12绘示了一较佳实施例的花洒朝第一方向转动的示意图。
图13绘示了一较佳实施例的花洒的去处本体和固定单元的俯视示意图，此时花洒第二出水功能出水。
图14绘示了一较佳实施例的花洒的剖面示意图。
具体实施方式
请查阅1至图4、图14，旋转切换雨淋花洒，它包括一固定单元100、一转动单元200、一切换机构300和一复位弹性体400。
请查阅1至图4、图5，所述固定单元100，它包括一进水体110和一塞子120。所述进水体110包括一环片111和一由环片111内周缘向上延伸的连接套112，所述环片111之上凸设有凸点113（配合本体以减少接触面积，减少摩擦力），所述进水体110之内形成进水通道114。所述进水体110的连接套112的上端通过塞子120固接并接通水源。
请查阅1至图13，所述转动单元200，它包括一本体210和一出水终端220。
所述本体210能转动套接在进水体110的连接套112之外，并撑设在进水体110的环片111之上，使得所述本体210能够相对固定单元100绕连接套112轴线转动。根据需要，可在进水体110和本体210之间设置Y型圈130。
所述出水终端220固接在本体210之下，它包括一分水体221、一斜水体222、一面盖223和一装饰盖224。所述斜水体222、面盖223和装饰盖224固定在一起并产生有多个出水功能。所述分水体221固设在斜水体222之上，所述分水体221之上固设有一周壁225，则分水体221的周壁225之内就能定义为分水槽226，所述分水槽226位于进水体110之下并接通进水通道114。所述多个出水功能分别具有一组分水孔227，所述多组分水孔227环形陈列布置在分水槽226之底面；本实施例之中，每组分水孔227包括环形阵列设置的四个分水孔。所述每个分水孔的开口处都设置有一小O型圈228。所述周壁225之内凸设有一枢接台229。
所述切换机构300，它包括一切换盘310、一棘爪320和一止位爪330。
所述切换盘310包括一盘体311及一固设在盘体311之上的围壁312，所述围壁312之外回转面环形陈列设有棘齿313。所述盘体311之上开设有一组上下贯穿的出水孔314，所述一组出水孔314包括四个环形阵列设置的出水孔，所述出水孔位于围壁之外，适配对应分水孔227。所述切换盘310能转动连接在分水槽226之内，所述切换盘310底面密封转动连接在分水槽226之底面（位于围壁之内的分水体之顶面），通过切换盘310和分水槽226之间的相对转动实现多组分水孔227切换对齐接通出水孔314，接通进水通道114。根据需要在切换盘310和分水体221之间还可设置有一大O型圈315。所述转动单元和固定单元之间的相对转动轴线和切换盘的转动轴线重合。
所述棘爪320，它一端固接进水体110的环片111，另一端顶抵切换盘310棘齿313，则利用转动单元200和固定单元100之间的相对转动，使棘爪320作用于棘齿313，使切换盘310正转。所述棘爪320和棘齿313之间的相互关系为：所述棘齿313朝第一方向转动时，棘爪320能够作用于棘齿313使其正转，朝第二方向（相反于第一方向）转动时，棘爪320不会作用于棘齿313。
所述止位爪330，它一端枢设在分水体221的枢接台229，另一端顶抵在切换盘310的棘齿313，用于防止切换盘310反转。所述止位爪330和棘齿313之间的相互关系为：所述棘齿313能够相对止位爪330正转，无法相对棘爪320反转。
所述复位弹性体400采用扭簧，它设置在进水体110和本体210之间。
为了使审查员进一步了解本发明，下面具体介绍切换原理：请查阅图10和图11，原始位置时，所述出水孔314对齐第一分水孔，第一出水功能出水；请查阅图12，用户推动装饰面盖224，使得转动单元200相对固定单元100朝第一方向转动；棘爪320和切换盘310之间相对转动，使得所述棘爪320作用于切换盘310的棘齿313，使得切换盘310正转；切换到位，所述出水孔314对齐第二分水孔，第二出水功能出水；用户松释推动力，在扭簧400作用下，转动单元200相对固定单元100朝第二方向（相反于第一方向）转动，此时，切换盘310在止位爪330作用下避免反转，第二出水功能保持出水。
以上所述，仅为本发明较佳实施例而已，故不能依此限定本发明实施的范围，即依本发明专利范围及说明书内容所作的等效变化与修饰，皆应仍属本发明涵盖的范围内。
工业实用性
本发明旋转切换雨淋花洒，利用其转动单元和固定单元之间的相对转动，使棘爪作用于棘齿，使切换盘正转，利用切换盘和转动单元之间的相对转动实现出水功能切换，切换方便快速，节省定位机构，结构简单。

Claims (9)

  1. 旋转切换雨淋花洒，其特征在于：它包括：
    一固定单元，它具有一能够接通水源的进水通道；
    一转动单元，它能转动地装接在固定单元，它具有多个出水功能；及
    一切换机构，它包括：
    一切换盘，它能转动地装接在转动单元，所述切换盘上环形陈列设有多个棘齿，利用切换盘和转动单元之间的相对转动实现出水功能切换接通进水通道；
    一棘爪，它一端固接固定单元，另一端顶抵切换盘棘齿，利用转动单元和固定单元之间的相对转动，使棘爪作用于棘齿，使切换盘正转；及
    一止位爪，它连接在转动单元和切换盘的棘齿之间，用于防止切换盘反转。
  2. 根据权利要求1所述的旋转切换雨淋花洒，其特征在于：所述固定单元和转动单元之间设置有一用于使转动单元复位的弹性体。
  3. 根据权利要求2所述的旋转切换雨淋花洒，其特征在于：所述转动单元和固定单元之间的相对转动轴线和切换盘的转动轴线重合。
  4. 根据权利要求1或2或3所述的旋转切换雨淋花洒，其特征在于：所述固定单元包括一进水体，所述棘爪一端固接在进水体之外侧面。
  5. 根据权利要求4所述的旋转切换雨淋花洒，其特征在于：所述进水体中空形成进水通道。
  6. 根据权利要求1或2或3所述的旋转切换雨淋花洒，其特征在于：
    所述转动单元包括一能转动套接在固定单元之外的本体和一固接在本体之下的出水终端，所述出水终端具有一分水槽，所述多个出水功能分别具有一分水孔，所述该些分水孔环形陈列布置在分水槽之底面；
    所述切换盘能转动连接在分水槽之内，所述切换盘底面密封转动连接在分水槽之底面，所述切换盘之上开设有一贯穿上下的出水孔，通过切换盘和分水槽之间的相对转动实现该些分水孔切换对齐接通出水孔。
  7. 根据权利要求6所述的旋转切换雨淋花洒，其特征在于：所述进水通道接通分水槽。
  8. 根据权利要求6所述的旋转切换雨淋花洒，其特征在于：所述切换盘包括一盘体及一固设在盘体之上的围壁，所述围壁之外回转面环形陈列设有棘齿；所述出水孔开设在盘体上并位于围壁之外。
  9. 根据权利要求1或2或3所述的旋转切换雨淋花洒，其特征在于：所述止位爪的一端枢接在转动单元，另一端顶抵在切换盘的棘齿。
PCT/CN2011/073491 2010-05-04 2011-04-29 旋转切换雨淋花洒 WO2011137728A1 (zh)

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