WO2012130155A1 - 一种自动回位切换装置及其切换方法 - Google Patents

一种自动回位切换装置及其切换方法 Download PDF

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Publication number
WO2012130155A1
WO2012130155A1 PCT/CN2012/073284 CN2012073284W WO2012130155A1 WO 2012130155 A1 WO2012130155 A1 WO 2012130155A1 CN 2012073284 W CN2012073284 W CN 2012073284W WO 2012130155 A1 WO2012130155 A1 WO 2012130155A1
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WIPO (PCT)
Prior art keywords
upper cover
pawl
ratchet
driven
circular
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Ceased
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PCT/CN2012/073284
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English (en)
French (fr)
Inventor
周华松
张伟
陈健民
曹斌
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Xiamen Solex High Tech Industries Co Ltd
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Xiamen Solex High Tech Industries Co Ltd
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Priority to US14/008,788 priority Critical patent/US9394259B2/en
Publication of WO2012130155A1 publication Critical patent/WO2012130155A1/zh
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
    • C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
    • C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
    • C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
    • C07D239/46—Two or more oxygen, sulphur or nitrogen atoms
    • C07D239/47—One nitrogen atom and one oxygen or sulfur atom, e.g. cytosine
    • 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
    • B05B1/16—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 having selectively- effective outlets
    • B05B1/1627—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 having selectively- effective outlets with a selecting mechanism comprising a gate valve, a sliding valve or a cock
    • B05B1/1636—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 having selectively- effective outlets with a selecting mechanism comprising a gate valve, a sliding valve or a cock by relative rotative movement of the valve elements
    • 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
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
    • C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
    • C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
    • C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
    • C07D239/46—Two or more oxygen, sulphur or nitrogen atoms
    • C07D239/48—Two nitrogen atoms
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
    • C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
    • C07D405/12—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings linked by a chain containing hetero atoms as chain links
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D487/00—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00
    • C07D487/02—Heterocyclic compounds containing nitrogen atoms as the only ring hetero atoms in the condensed system, not provided for by groups C07D451/00 - C07D477/00 in which the condensed system contains two hetero rings
    • C07D487/04—Ortho-condensed systems

Definitions

  • the invention relates to an automatic return switch device, in particular to an automatic return switch device for a shower.
  • the existing pendulum switch shower head generally comprises a shower body, an upper cover is arranged on the upper end of the body, a water outlet cover is arranged on the lower end, and a water outlet mechanism between the cover and the body, the upper cover is resting on the handle of the body
  • a swing bar When it is necessary to switch the shower water of different functions, the swing lever is toggled to drive the upper cover to rotate relative to the body.
  • the upper cover is connected with the water discharge mechanism. When the upper cover rotates, the position of the water discharge mechanism is also driven, so that the water path changes, and the shower water of different functions is changed.
  • this pendulum type shower has the following disadvantages: the upper cover cannot be automatically reset, and the user needs to move in the opposite direction.
  • An automatic return switching device includes:
  • a body which is provided with a water dividing device, and can be switched by relative activities between the water dividing device and the body;
  • a clutch mechanism comprising a bidirectional ratchet and a bidirectional pawl capable of engaging a ratchet;
  • the ratchet is disposed on the back of the body and is connected to the water dividing device to enable the water separator to move when the ratchet rotates;
  • the two-way pawl, the upper cover and the driven disk are connected to be movable between the forward position, the reverse position and the separation position by the rotation of the upper cover relative to the driven disk; the two-way pawl
  • the driven plate, the two-way pawl and the ratchet can be driven to rotate forward together, and the two-way pawl is located in the reverse position, and the driven plate, the pawl and the ratchet can be driven when the upper cover is reversed.
  • a reset device that enables the bi-directional pawl to be in the disengaged position to reset the upper cover, the driven disc, and the bi-directional pawl.
  • the upper cover is provided with a protruding rocker.
  • the two-way pawl is pivotally disposed at an eccentric position of the driven disc, and the driven disc axis and the upper cover axis coincide.
  • the body includes a handle and a disk body.
  • the disk body is provided with a circular through hole at a central position, and an annular groove is formed on the back surface of the disk with the circular through hole as a center.
  • the front surface of the upper cover is provided with a ring corresponding to the annular groove of the body, the back edge of the upper cover is provided with a swinging bar, and the front side of the swinging bar is provided with an elongated groove, a long groove and a circular pass.
  • a radially extending stop is provided between the holes.
  • a circular through hole is formed in the center of the driven plate, and two radial baffles are disposed at the back edge.
  • the front cover of the upper cover is locked between the two baffles.
  • the two-way pawl is substantially a triangular shape, and a circular through hole is formed in the center, and a pin of the driven disk is inserted into the circular through hole; a column is arranged on the back of the outer corner.
  • the pin of the two-way pawl is pivotally connected to the long groove of the upper cover; the other two corners are respectively provided with pawls, and a retaining groove is arranged between the pawls.
  • the resetting means for resetting the rotational movement of the upper cover comprises: at least one spring provided on one of the two parts of the body or the driven plate, and another component The compression rib of the compression spring when rotating on the upper side.
  • each of the arcuate grooves being close to each other.
  • One end is closed, and one end away from each other is respectively provided with an opening;
  • the edge of the front surface of the driven disc is provided with two pressing ribs for rotating the compression spring in the circumferential direction, and the two pressing ribs are along the diameter Symmetrical arrangement;
  • each pressing rib includes a radial stop and a circular arc-shaped ridge, and the two ribs can be inserted into the arcuate concave from the openings of the two curved grooves of the body in the circumferential direction The spring is compressed in the groove.
  • a device for generating a gear feel when the upper cover is rotated is also included.
  • An automatic return switch switching method includes:
  • Step 1 The upper cover rotates relative to the body in a first direction
  • Step 2 driving the two-way pawl to move relative to the two-way ratchet, so that the pawl and the ratchet are in the closed position;
  • Step 3 the upper cover continues to rotate in the first direction relative to the body, and the ratchet rotates the first direction by the pawl;
  • Step 4 the ratchet drives the water distribution device to realize the switching
  • Step 5 the reset device operates to move the pawl relative to the ratchet, so that the pawl and the ratchet are separated from each other;
  • step 6 the resetting device operates to rotate the upper cover and the pawl in the second direction to reset.
  • the swinging lever on the upper cover is swung, and since the upper cover and the driven disc can rotate relative to each other, the upper cover drives the driven disc to rotate, and the driven disc drives the toggle device, that is, the two-way pawl to rotate, the two-way The pawl rotates the ratchet again, and the ratchet rotates the water dividing device on the other side of the body to complete the switching of the water flower.
  • a reset means for resetting the rotational movement of the upper cover relative to the body is also provided between the body and the driven disk. Under the action of the resetting device, the driven plate is returned to drive the upper cover back.
  • the present invention provides an automatic return switching device which can be used in the sanitary field, particularly on a shower.
  • the invention has the advantages that the manual swinging of the swinging rod is performed once, and after the water splashing is completed, the resetting device can drive the driven disc and the upper cover to be reset, thereby saving the user one operation and convenient operation.
  • the invention can be switched and reset clockwise or counterclockwise, and is convenient to use.
  • FIG. 1 is a perspective exploded view of an application embodiment of an automatic return switching device of the present invention
  • FIG. 2 is a second perspective exploded view of an embodiment of an automatic return switching device of the present invention.
  • FIG. 3 is a schematic perspective view of an application embodiment of the present invention.
  • FIG. 4 is a schematic perspective view of a body
  • Figure 5 is a schematic perspective view of the ratchet and the two-way pawl
  • Figure 6 is a perspective view of the upper cover
  • Figure 7 is a schematic perspective view of the driven disc
  • Figure 8 is a second perspective view of the driven disc
  • Figure 9 is one of the states of use
  • Figure 10 is the second state of use
  • Figure 11 is the third state of use
  • Figure 12 shows the fourth state of use.
  • an automatic return switching device includes a body 100, a bidirectional pawl 200, a ratchet 300, a driven disc 400, and an upper cover 500.
  • the body 100 includes a handle 110 and a disk body 120.
  • the disk body is provided with a circular through hole 121 at a central position thereof.
  • An annular groove 122 is formed on the back surface of the disk around the circular through hole 121.
  • two arcuate grooves 123 and 124 for respectively mounting the springs 130, 140 are symmetrically provided, and each arc groove is at the end close to each other.
  • the closed, open ends are provided with openings 1231 and 1241, respectively.
  • a first blind hole 125 is further provided, in which a first magnet 150 is disposed.
  • the upper cover 500 is disposed on the back surface of the body 100, and has a circular through hole 510 corresponding to the circular through hole 121 of the body 100.
  • the circular through hole is provided with a nut 580 on the back surface.
  • the annular groove 122 of the body 100 corresponds to the mating flange 520, whereby the upper cover 500 is pivotally movable relative to the body 100.
  • a swing rod 550 is disposed on the back edge of the upper cover, and an elongated groove 540 is disposed on the front swing rod 550.
  • a radially extending stop 530 is disposed between the elongated groove 540 and the circular through hole 510.
  • a second blind hole 560 is disposed on the other side of the upper cover opposite to the swing lever 550, and a second magnet 570 is disposed therein. The first magnet 150 and the second magnet 570 cooperate to generate a gear position feeling when disengaged or reset.
  • a driven plate 400 is disposed between the upper cover 500 and the body 100.
  • the driven plate 400 is provided with a circular through hole 410 at the center, and two radial baffles 420 at the edge and a stop on the front surface of the upper cover 500. 530 is snapped between the two baffles 420.
  • the symmetry line is set to the diameter of the circular through hole 410 and the pin 440.
  • Each pressing rib is composed of a radial block 432 and a circular arc-shaped rib 431.
  • the arc of the rib is a circular through hole 410, and the position of the ridge and the body 100 are
  • the arcuate grooves 123 and 124 correspond to each other, and the two ribs can be inserted into the arcuate grooves from the openings 1231 and 1241 of the arcuate grooves 123, 124, respectively, in the circumferential direction.
  • the ratchet wheel 300 is disposed between the driven wheel 400 and the body 100, and has a long through hole 310 at a central position thereof.
  • the position of the through hole 310 corresponds to the through hole 110 of the body when installed.
  • a plurality of ratchet teeth 320 are provided on the periphery, and a tooth gap 330 is formed between each two adjacent ratchet teeth 320.
  • the two-way pawl 200 is disposed between the driven wheel 400 and the body 100, the side of the ratchet 300. It is generally a triangular shape with a circular through hole 210 in the center into which the stud 440 of the driven disc 400 is inserted.
  • a pin 220 is disposed on the back side of the outer corner, and the pin 220 is inserted into the elongated groove 540 of the upper cover 500 when installed.
  • the other two corners are provided with pawls 230 and 240, respectively, and a retaining groove 250 is provided between the pawls.
  • the pawl can extend into the tooth gap 330 of the ratchet to dial the ratchet 320.
  • the front side of the body 100 is sequentially installed with a water dividing device 600, a water deflecting body 700, a rotor 710, a commutator 720, and a face cover 800.
  • the water dividing device 600 includes an upper water dividing plate 610 and the upper water dividing plate 610.
  • the lower water dividing tray 620 and the water dividing body 630 are combined, wherein the upper water dividing tray 610 has a pin 611 which is matched with the elongated groove 310 of the ratchet wheel 300 in the center.
  • the stud 611 passes through the circular through hole 110 of the body 100 and is inserted into the through hole 310 of the ratchet 300 during installation.
  • FIG. 10 shows the initial state of the shower.
  • the swing lever of the upper cover 500 is rotated, and the two-way pawl 200 rotates clockwise around the pin on the driven disc by the interaction of the slot 540 of the upper cover with the pin 220 of the two-way pawl 200.
  • the bi-directional pawl Inserted into the ratchet, the bi-directional pawl is in the forward position (correspondingly, when the bi-directional pawl is rotated in the opposite direction to insert the ratchet, it is in the reverse position).
  • the stopper 530 on the upper cover is engaged with the baffle 420 on the driven plate.
  • the upper cover 500 rotates clockwise with the driven disc 400 and the bidirectional pawl 200.
  • the bidirectional pawl 200 drives the ratchet 300, which in turn drives the upper water dividing tray 610 and the lower water dividing tray 620 to rotate clockwise.
  • the splash switch Realize the splash switch.
  • the ribs 431 of the driven disc 400 compress the spring 130, and after rotating at a certain angle, the limiting plate 432 at the end of the ridges abuts against the groove 124 on the back of the body to complete the switching of one angle.
  • the driven disc rotates counterclockwise under the squeeze of the spring, and the driven disc drives the upper cover and the two-way pawl to rotate.
  • the two-way pawl 200 is disengaged from the ratchet 300, and is detached. Position, and thus with the upper cover to achieve the return position, at this time the shower is in the initial state, but at this time the upper and lower water body has been rotated by an angle, in another state of water splash.
  • the invention provides an automatic return switching device, which only needs to manually move the swing lever once, and after the water splash is completed, the reset device can drive the driven disk and the upper cover to reset, so that the user can save one operation and the operation is convenient. Moreover, the invention can be switched and reset clockwise or counterclockwise, and is convenient to use.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Mechanically-Actuated Valves (AREA)
  • Transmission Devices (AREA)

Description

[根据细则37.2由ISA制定的发明名称]　一种自动回位切换装置及其切换方法 技术领域
本发明涉及一种自动回位切换装置，尤其涉及一种用于花洒的自动回位切换装置。
背景技术
现有的摆杆式切换花洒，通常包括一花洒本体，本体上端设有一上盖，下端设有出水面盖以及位于面盖和本体之间的出水机构，该上盖靠本体的柄部设有一摆杆。需要切换不同功能的花洒水时，是将摆杆拨动，带动上盖相对于本体旋转。上盖是和出水机构相连的，当上盖旋转时，也带动出水机构的位置，使得水路变化，实现不同功能的花洒水的变化。但这种摆杆式花洒具有以下的不足之处：上盖无法自动复位，需要用户反方向拨动。
发明内容
本发明的目的在于提供一种自动回位切换装置，以解决现有技术中存在的上述问题。
本发明提供的技术方案如下：
一种自动回位切换装置，其包括：
一本体，它设分水装置，且通过分水装置和本体之间的相对活动能实现切换；
一转动设于本体背面的上盖；
一转动设于本体背面和上盖之间的从动盘；
一离合机构，它包括一双向的棘轮和一能配合棘轮的双向的棘爪；所述棘轮转动设于本体背面且传动连接分水装置，以使棘轮转动时能带动分水装置活动实现切换；所述双向棘爪、上盖和从动盘相连接，以能通过上盖相对从动盘转动而带动双向棘爪在正转位、反转位和分离位之间活动；所述双向棘爪位于正转位则上盖正转时能带动从动盘、双向棘爪和棘轮共同正转，所述双向棘爪位于反转位则上盖反转时能带动从动盘、棘爪和棘轮共同反转；及
一复位装置，它能使双向棘爪位于分离位，能使上盖、从动盘和双向棘爪复位。
在一较佳实施例中，所述上盖设有一凸伸的摆杆。
在一较佳实施例中，所述双向棘爪枢设于从动盘偏心位置，所述从动盘轴线和上盖轴线重合。
在一较佳实施例中，该本体包括一手柄以及一盘体，该盘体的中央位置设一圆形通孔，以该圆形通孔为圆心在盘背面上设有一环形凹槽。该上盖正面设有一圈和本体的环形凹槽对应配合的凸缘，上盖背面边缘装有一摆杆，正面靠摆杆处设有一长条形凹槽，长条形凹槽和圆形通孔之间设有一径向延伸的挡块。
在一较佳实施例中，该从动盘中央设有圆形通孔，背面靠边缘处设有两道径向挡板，所述上盖正面的挡块卡接于两道挡板之间，在正面的边缘，对应于背面的两道挡板之间，还设有一柱销。
在一较佳实施例中，所述双向棘爪大体上为一个三角形，中央设有一圆形通孔，从动盘的柱销插入到该圆形通孔中；靠外侧的一角背面设有一柱销，该双向棘爪的柱销枢接于上盖的长条形凹槽中；另两个角上分别设有棘爪，棘爪之间设有让位槽。
在一较佳实施例中，所述的用于使上盖的旋转运动复位的复位装置包括：设于本体或从动盘这两个部件之一上的至少一弹簧，以及设于另一部件上的旋转时压缩弹簧的压紧筋条。
在一较佳实施例中，在本体的环形凹槽和圆形通孔之间，设有两道用于安装弹簧的沿圆周分布的弧形凹槽，每个弧形凹槽在彼此靠近的一端封闭，彼此远离的一端分别设有一开口；所述从动盘正面的边缘，沿圆周方向设有两个用于旋转时压缩弹簧的压紧筋条，这两个压紧筋条为沿直径对称设置；每个压紧筋条包括一径向挡块和一圆弧形的凸条，且这两个凸条可以沿圆周方向分别从本体的两个弧形凹槽的开口插入弧形凹槽中以压缩弹簧。
在一较佳实施例中，还包括一旋转上盖时产生档位感的装置。
一种自动回位切换装置切换方法，它包括：
步骤1，上盖相对本体朝第一方向转动；
步骤2，带动双向棘爪相对双向棘轮活动，使棘爪和棘轮配合处于合上位置；
步骤3，上盖相对本体朝第一方向继续转动，通过棘爪带动棘轮朝第一方向转动；
步骤4，棘轮带动分水装置活动实现切换；
步骤5，复位装置操作，使棘爪相对棘轮活动，使棘爪和棘轮之间处于分离状态；
步骤6，复位装置操作，使上盖和棘爪朝第二方向转动以复位。
使用时，摆动上盖上的摆杆，由于上盖和从动盘之间可相互带动旋转，该上盖带动从动盘旋转，从动盘又带动拨动装置即双向棘爪旋转，该双向棘爪又拨动棘轮旋转，该棘轮再带动本体另一面的分水装置旋转，完成水花的切换。由于在所述的本体与从动盘之间还设有一用于使上盖的旋转运动相对于本体复位的复位装置。在该复位装置的作用下，该从动盘回位，从而带动上盖回位。
由上述描述可知，本发明提供了一种自动回位切换装置，本发明可用于卫浴领域，特别是花洒上。本发明优点在于：只需手动拨动摆杆一次，完成水花切换之后，复位装置即可带动从动盘和上盖复位，从而使用户节省一次操作，操作便利。且本发明顺时针或逆时针旋转都可进行切换和复位，使用方便。
附图说明
图1为本发明的自动回位切换装置的应用实施例的立体分解示意图之一；
图2为本发明的自动回位切换装置的应用实施例的立体分解示意图之二；
图3为本发明应用实施例的立体结构示意图；
图4为本体的立体结构示意图；
图5棘轮和双向棘爪的立体结构示意图；
图6上盖的立体图；
图7为从动盘的立体结构示意图之一；
图8为从动盘的立体结构示意图之二；
图9为使用状态之一；
图10为使用状态之二；
图11为使用状态之三；
图12为使用状态之四。
具体实施方式
本发明的具体实施例，参照图1至图8，一种自动回位切换装置，包括本体100、双向棘爪200、棘轮300、从动盘400和上盖500。
该本体100包括一手柄110以及一盘体120，该盘体的中央位置设一圆形通孔121，围绕该圆形通孔121在盘背面上设有一环形凹槽122，在凹槽122和圆形通孔121之间，和手柄110相对的一侧，对称设有两道分别用于安装弹簧130、140的弧形凹槽123和124，每个弧形凹槽在彼此靠近的一端为封闭的，彼此远离的一端分别设有开口1231和1241。在弧形凹槽123、124和环形凹槽122之间，还设有一第一盲孔125，其中设有一第一磁铁150。
该上盖500盖于本体100的背面，其中央设有和本体100的圆形通孔121对应的圆形通孔510，该圆形通孔背面装有螺帽580.上盖正面设有一圈和本体100的环形凹槽122对应配合的凸缘520，藉此上盖500可相对于本体100作轴心旋转运动。上盖背面边缘装有一摆杆550，正面靠摆杆550处设有一长条形凹槽540，长条形凹槽540和圆形通孔510之间设有一径向延伸的挡块530。上盖正面相对于摆杆550的另一侧设有第二盲孔560，里面设有第二磁铁570。该第一磁铁150和第二磁铁570配合，脱离或复位时即可产生档位感。
上盖500与本体100之间设有从动盘400，该从动盘400中央设有圆形通孔410，背面设有靠边缘处两道径向挡板420，上盖500正面的挡块530即卡接于这两道挡板420之间。在正面的边缘，对应于背面的两道挡板420之间，还设有一柱销440；正面的边缘，沿圆周方向设有两个压紧筋条430，这两个压紧筋条为对称设置，对称线为圆形通孔410和柱销440所在的直径。每个压紧筋条由一径向挡块432和一圆弧形的凸条431组成，该凸条的圆弧的弧心为圆形通孔410，且凸条的位置和本体100的两个弧形凹槽123和124对应，且这两个凸条可以分别沿圆周方向从弧形凹槽123、124的开口1231和1241旋转插入该弧形凹槽中。
棘轮300设于从动轮400和本体100之间，其中央位置设有一长条形通孔310，安装时该通孔310位置和本体的通孔110对应。周缘设有若干棘齿320，每两个相邻棘齿320之间形成齿间隙330。
双向棘爪200设于从动轮400和本体100之间，棘轮300的侧面。其大体上为一个三角形，中央设有一圆形通孔210，安装时从动盘400的柱销440插入到该圆形通孔210中。靠外侧的一角背面设有一柱销220，安装时该柱销220插入到上盖500的长条形凹槽540中。另两个角上分别设有棘爪230和240，棘爪之间设有让位槽250.所述的棘爪可伸入棘轮的齿间隙330之中从而拨动棘齿320。
本体100的正面，依次安装有分水装置600，斜水体700、转子710、换向器720以及面盖800.其中该分水装置600包括上分水盘610、和该上分水盘610固定结合的下分水盘620以及分水体630，其中该上分水盘610中央具有一和棘轮300的长条形凹槽310形状配合的柱销611。安装时该柱销611穿过本体100的圆形通孔110，再插入到该棘轮300的通孔310中。
参见图9至图12，其为本实用新型的使用状态示意图。图9为花洒的初始状态。参见图10，旋转上盖500的摆杆，通过上盖的槽540与双向棘爪200的柱销220的相互作用，双向棘爪200绕着从动盘上的柱销顺时针旋转一角度，插入棘轮内，此时该双向棘爪处于正转位（相应地，双向棘爪反方向旋转插入棘轮时，即处于反转位）。同时，上盖上的挡块530与从动盘上的挡板420贴合。
参见图11，上盖500带着从动盘400和双向棘爪200一起顺时针转动，双向棘爪200带动棘轮300，棘轮又带动上分水盘610、下分水盘620顺时针转动，从而实现水花切换。在此过程中从动盘400的凸条431压缩弹簧130，转动一定角度后凸条末端的限位板432与本体背部的凹槽124顶抵，完成一次角度的切换。
参见图12，从动盘在弹簧的挤压下逆时针转动，从动盘又带动上盖和双向棘爪转动，在让位槽250作用下，双向棘爪200脱离棘轮300，此时为脱离位，从而和上盖一起实现回位，此时花洒又处于初始状态，但此时上下分水体已旋转一角度，处于另一水花状态。
上述仅为本发明的一个具体实施例，但本发明的设计构思并不局限于此，凡利用此构思对本发明进行非实质性的改动，均应属于侵犯本发明保护。
工业实用性
本发明一种自动回位切换装置，只需手动拨动摆杆一次，完成水花切换之后，复位装置即可带动从动盘和上盖复位，使用户节省一次操作，操作便利。且本发明顺时针或逆时针旋转都可进行切换和复位，使用方便。

Claims (10)

  1. 一种自动回位切换装置，其特征在于，包括：
    一本体，它设分水装置，且通过分水装置和本体之间的相对活动能实现切换；
    一转动设于本体背面的上盖；
    一转动设于本体背面和上盖之间的从动盘；
    一离合机构，它包括一双向的棘轮和一能配合棘轮的双向的棘爪；所述棘轮转动设于本体背面且传动连接分水装置，以使棘轮转动时能带动分水装置活动实现切换；所述双向棘爪、上盖和从动盘相连接，以能通过上盖相对从动盘转动而带动双向棘爪在正转位、反转位和分离位之间活动；所述双向棘爪位于正转位则上盖正转时能带动从动盘、双向棘爪和棘轮共同正转，所述双向棘爪位于反转位则上盖反转时能带动从动盘、棘爪和棘轮共同反转；及
    一复位装置，它能使双向棘爪位于分离位，能使上盖、从动盘和双向棘爪复位。
  2. 如权利要求1所述的一种自动回位切换装置，其特征在于：所述上盖设有一凸伸的摆杆。
  3. 如权利要求1所述的一种自动回位切换装置，其特征在于：所述双向棘爪枢设于从动盘偏心位置，所述从动盘轴线和上盖轴线重合。
  4. 如权利要求1所述的一种自动回位切换装置，其特征在于：该本体包括一手柄以及一盘体，该盘体的中央位置设一圆形通孔，以该圆形通孔为圆心在盘背面上设有一环形凹槽；该上盖正面设有一圈和本体的环形凹槽对应配合的凸缘，上盖背面边缘装有一摆杆，正面靠摆杆处设有一长条形凹槽，长条形凹槽和圆形通孔之间设有一径向延伸的挡块。
  5. 如权利要求4所述的一种自动回位切换装置，其特征在于：该从动盘中央设有圆形通孔，背面靠边缘处设有两道径向挡板，所述上盖正面的挡块卡接于两道挡板之间，在正面的边缘，对应于背面的两道挡板之间，还设有一柱销。
  6. 如权利要求1或5所述的一种自动回位切换装置，其特征在于：所述双向棘爪大体上为一个三角形，中央设有一圆形通孔，从动盘的柱销插入到该双向棘爪的圆形通孔中；靠外侧的一角背面设有一柱销，该双向棘爪的柱销枢接于上盖的长条形凹槽中；另两个角上分别设有棘爪，棘爪之间设有让位槽。
  7. 如权利要求1或5所述的一种自动回位切换装置，其特征在于：所述的用于使上盖的旋转运动复位的复位装置包括：设于本体或从动盘这两个部件之一上的至少一弹簧，以及设于另一部件上的旋转时压缩弹簧的压紧筋条。
  8. 如权利要求7所述的一种自动回位切换装置，其特征在于：在本体的环形凹槽和圆形通孔之间，设有两道用于安装弹簧的沿圆周分布的弧形凹槽，每个弧形凹槽在彼此靠近的一端封闭，彼此远离的一端分别设有一开口；所述从动盘正面的边缘，沿圆周方向设有两个用于旋转时压缩弹簧的压紧筋条，这两个压紧筋条为沿直径对称设置；每个压紧筋条包括一径向挡块和一圆弧形的凸条，且这两个凸条可以沿圆周方向分别从本体的两个弧形凹槽的开口插入弧形凹槽中以压缩弹簧。
  9. 如权利要求1或5所述的一种自动回位切换装置，其特征在于：还包括一旋转上盖时产生档位感的装置。
  10. 一种自动回位切换装置切换方法，其特征在于：它包括权利要求1所述的结构，其切换方法如下：
    步骤1，上盖相对本体朝第一方向转动；
    步骤2，带动双向棘爪相对棘轮活动，使棘爪和棘轮配合处于合上位置；
    步骤3，上盖相对本体朝第一方向继续转动，通过棘爪带动棘轮朝第一方向转动；
    步骤4，棘轮带动分水装置活动实现切换；
    步骤5，复位装置操作，使棘爪相对双向棘轮活动，使棘爪和棘轮之间处于分离状态；
    步骤6，复位装置操作，使上盖和棘爪朝第二方向转动以复位。
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