WO2017193577A1 - 一种主控阀芯 - Google Patents
一种主控阀芯 Download PDFInfo
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- WO2017193577A1 WO2017193577A1 PCT/CN2016/109586 CN2016109586W WO2017193577A1 WO 2017193577 A1 WO2017193577 A1 WO 2017193577A1 CN 2016109586 W CN2016109586 W CN 2016109586W WO 2017193577 A1 WO2017193577 A1 WO 2017193577A1
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- water
- inlet hole
- water inlet
- hole
- blocking piece
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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
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
- F16K11/072—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members
- F16K11/074—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with pivoted closure members with flat sealing faces
Definitions
- the invention relates to a main control spool for waterway control.
- the main control valve cores used for waterway control usually have the function of switching water or both to adjust the ratio of cold and hot water, and some have the function of switching the water inlet and outlet.
- the working principle of the main control valve core with switching function is to set a set of water inlet holes, water outlet holes and connection holes for the cold water channel, the hot water channel and the straight drinking water channel respectively, and the inlet hole and the outlet water are made by changing the position of the connection hole.
- the holes are connected or separated.
- These main control spools are usually operated by the operation of the front and rear dial handles. Due to the small size of the spool, water holes are provided in each of the water channels in the spool, resulting in a complicated valve core structure.
- the invention provides a main control valve core with simple structure and large water discharge, which overcomes the deficiencies of the prior art.
- the technical solution adopted by the present invention to solve the technical problem thereof is:
- the utility model relates to a main control valve core, comprising a casing, an upper water-blocking piece and a lower water-blocking piece stacked together, a handle mechanism for controlling the upper water-blocking piece to rotate in a horizontal plane and moving in a lateral direction, an upper water-blocking piece and The lower water blocking piece is housed in the casing, and the upper water blocking piece is provided with a first water passing hole and a second water passing hole which communicate with each other, and the lower water blocking piece is provided with a hot water inlet hole, a cold water inlet hole, and a straight
- the drinking water inlet hole and the water outlet hole are connected to the first water passing hole; the handle mechanism laterally moves the upper water blocking piece to switch three water discharging modes:
- the upper water blocking block blocks the hot water inlet hole, the cold water inlet hole, the straight drinking water inlet hole, and the spool is closed;
- the upper water blocking block blocks the hot water inlet hole and the cold water inlet hole, and the second water passing hole communicates with the straight drinking water inlet hole, and the second water passing hole can be adjusted by rotating the upper water blocking plate.
- the third type of water discharge mode the upper water blocking piece blocks the straight drinking water inlet hole, and the first water passing hole communicates with the hot water inlet hole and/or the cold water inlet hole, and the first water passing can be adjusted by rotating the upper water blocking piece Hole with hot water inlet and cold water The ratio of the overlapping area of the water holes.
- the casing comprises an upper cover and a base, the base is provided with three openings, and the three openings are respectively connected with the hot water inlet hole, the cold water inlet hole, the straight drinking water inlet hole and the outlet hole, and the straight The drinking water inlet hole receives a single cold water.
- the first gear of the valve core is a single cold water, which has the function of preventing hot water from being mixed in, and can adjust the amount of water at the same time.
- the rotating seat is provided with a gear spring piece, the dial plate is provided with a gear pin; the middle part of the gear spring piece is provided with a protrusion, and the gear position pin is located at the front part of the protrusion in the first water discharging mode, The position pin is located at the rear of the protrusion in the third water discharge mode, which increases the switching feel and has a gear prompt function.
- the solution provides a valve core with a plurality of water inlet holes and one water outlet hole, and adopts an operation mode of switching in one direction to switch the water passage to prevent misoperation.
- FIG. 1 is a perspective exploded view of a main control valve core of the present invention.
- FIG. 2 is a perspective view of the upper water barrier of the main control valve core shown in FIG. 1.
- FIG. 3 is a perspective view of the lower water barrier of the main control spool shown in FIG. 1.
- FIG. 4 is a schematic view of the main control spool of FIG. 1 in a first type of water discharge mode.
- FIG. 5 is a schematic view showing the position of the upper water blocking piece of the main control valve core in the first water discharging mode.
- FIG. 6 is a schematic view showing the main control valve core of FIG. 1 in the second water discharge mode.
- FIG. 7 is a schematic view showing the position of the upper water blocking piece of the main control valve core in the second water discharging mode.
- FIG. 8 is a schematic view of the main control valve core of FIG. 1 in a third water discharge mode.
- FIG. 9 is a schematic view showing the position of the upper water blocking piece of the main control valve core in the third water discharging mode.
- FIG. 10 is a schematic view showing the deformation of the base of the main control valve core shown in FIG. 1.
- FIG. 10 is a schematic view showing the deformation of the base of the main control valve core shown in FIG. 1.
- a main control valve core of the present invention comprises a casing 10, an upper water blocking piece 20 and a lower water blocking piece 30 stacked thereon for controlling the upper water blocking piece in a horizontal plane. Rotating and moving handles in the lateral direction
- the mechanism 40, the upper water barrier 20 and the lower water barrier 30 are housed in the casing 10, and the handle mechanism 40 is drivingly coupled to the upper water barrier 20.
- the upper water blocking piece 20 is provided with a first water passing hole 21 and a second water passing hole 22 which are in communication with each other
- the lower water blocking piece 30 is provided with a cold water inlet hole 31, a hot water inlet hole 32, and a straight drinking water inlet hole 33.
- the water outlet hole 34, the first water passing hole 21 and the water outlet hole 34 are always in communication, and the handle mechanism 40 laterally moves the upper water blocking piece 20 to switch three water discharging modes:
- the upper water blocking piece 20 blocks the cold water inlet hole 31, the hot water inlet hole 32, the straight drinking water inlet hole 33, the valve core is closed, and the water outlet hole 34 is not Water outlet
- the upper water blocking sheet 20 blocks the cold water inlet hole 31 and the hot water inlet hole 32, and the second water passing hole 22 communicates with the straight drinking water inlet hole 33.
- the water outlet hole 34 is directly drinking water, and rotating the upper water blocking piece 20 can adjust the overlapping area of the second water passing hole 22 and the straight drinking water inlet hole 33;
- the upper water blocking sheet 20 blocks the straight drinking water inlet hole 33, the first water passing hole 21 and the cold water inlet hole 31 and/or the hot water inlet hole 32.
- the upper water blocking sheet 20 can adjust the ratio of the overlapping area of the first water passing hole 21 and the cold water inlet hole 31 and the hot water inlet hole 32, and even completely close the cold water inlet hole 31 or the hot water inlet hole 32. .
- the first water passing hole 21 is located at a middle position of the upper water blocking piece, and the second water passing hole 22 is disposed at an eccentric position of the upper water blocking piece, the cold water inlet hole 31, and the hot water inlet water.
- the hole 32 and the straight drinking water inlet hole 33 are located at an eccentric position of the lower water blocking piece, and the water discharging hole 34 is located at a middle position of the lower water blocking piece.
- the second water passing hole 22 has an arc shape. In the second water discharging mode, the second water passing hole 22 is on the same circumferential line as the straight drinking water inlet hole 33.
- the cold water inlet hole 31 and the hot water inlet hole 32 are on the same circumferential line, and the outer edge of the first through hole 21 has a circular arc portion 212 that abuts the hot water inlet hole and the cold water inlet hole.
- the center of rotation of the upper water-blocking piece 20 is located on the lower side of the center of the lower water-blocking piece 30; in the second type of water-discharging mode, the center of rotation of the upper water-blocking piece 20 substantially coincides with the center of the lower water-blocking piece 30 In the third water discharge mode, the center of rotation of the upper water barrier 20 is located on the upper side of the center of the lower water barrier 30.
- the top surface of the upper water blocking sheet 20 is provided with a groove 24 through which the first water passing hole and the second water passing hole communicate.
- the housing 10 includes an upper cover 12 and a base 14.
- the lower water blocking plate 30 is stacked on the base 14.
- the base 14 is provided with four openings 142, four The openings are respectively connected to the cold water inlet hole 31, the hot water inlet hole 32, the direct drinking water inlet hole 33, and the outlet hole 34.
- the handle mechanism 40 includes a dial 41, a rotating base 42, a rotating rod 43, a dial 41 and a rotating seat 42. It is housed in the casing 10; the dial 41 is stacked on the upper water-blocking piece 20, the rotating seat 42 is placed on the dial 41, the middle portion of the rotating rod 43 is hinged on the rotating seat 42, and the bottom of the rotating rod is inserted into the dial 41 Upper, the top of the rotating rod 43 protrudes from the upper cover 12.
- the upper water blocking piece 20, the dial 41, the rotating base 42, and the rotating rod 43 are engaged in the circumferential direction to realize synchronous rotation.
- the dial 41 is engaged with the upper water barrier 20 in a horizontal plane, and the swinging screw 43 can move the dial 41 laterally in the horizontal plane to switch out of the water mode.
- a gear spring 44 is disposed in the rotating base 42.
- the dial 41 is provided with a gear pin 45.
- the middle portion of the gear spring 44 is provided with a protrusion, and the gear pin 45 is located in the first water discharging mode.
- the gear pin 45 is located at the rear of the projection in the third water discharge mode.
- the rotating seat 42 is provided with a through hole 422.
- the cross section of the through hole 422 is non-circular, and the through hole 422 covers the rotating rod 43.
- the rotating rod 43 has a non-circular cross section.
- the rotating rod 43 has a first inclined surface 431 and a second inclined surface 432.
- the first inclined surface 431 is separated from the side wall of the through hole 422 and the second inclined surface 432 abuts against the side wall of the perforation; A beveled surface 431 and a second beveled surface 432 are separated from the perforated sidewalls; in the third mode of water discharge, the first beveled surface 431 abuts against the perforated sidewall and the second beveled surface 432 is separated from the perforated 422 sidewall.
- the rotating rod 43 has a square cross section; the rotating rod 43 has a first inclined surface 431 and a second inclined surface 432 in the longitudinal direction, and an opposite third inclined surface 433 and a fourth inclined surface 434, wherein the first inclined surface 431 and the third inclined surface 433 is parallel, and the second slope 432 is parallel to the fourth slope 434.
- the upper water blocking sheet 20 and the lower water blocking sheet 30 are ceramic materials.
- the rotary rod 43 When the first type of water discharge mode is switched to the second water discharge mode, the rotary rod 43 is swung by 10 degrees; when the second water discharge mode is switched to the third type of water discharge mode, the rotary rod 43 is swung by 23 degrees.
- the base 14 is provided with four openings, and the four openings are respectively connected with the hot water inlet hole, the cold water inlet hole, the direct drinking water inlet hole and the outlet hole.
- the number of the openings 142 in the base 14 can be reduced to three, that is, the three openings 142 and the hot water inlet hole, respectively.
- the cold water inlet hole and the outlet hole are connected, and the straight drinking water inlet hole communicates with the opening corresponding to the cold water inlet hole.
- the cold water directly enters the direct drinking water inlet hole, and then flows out from the water outlet hole, so that the water outlet hole has the function of single cold water, avoids mixing with hot water, and has the advantages of energy saving.
- the main control valve core of the invention has three water discharge modes: the first type, the upper water blocking piece blocks the hot water, the cold water inlet hole and the straight drinking water inlet hole, and the valve core is closed; the second type, the upper water blocking piece Blocking the hot and cold water inlet holes, the second passing water hole is connected with the direct drinking water inlet hole; the third type, the upper water blocking piece blocks the straight drinking water inlet hole, the first passing water hole and the hot water inlet hole And the cold water inlet hole is connected; the lower water barrier of the invention is provided with only one water outlet hole, the structure is simple, the area of the water outlet hole is larger, the flow rate of the valve core is increased, the application range is wide, and the industrial utility is good.
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Abstract
一种主控阀芯，包括壳体（10）、上隔水片（20）和下隔水片（30），上隔水片（20）设有相互连通的第一过水孔（21）、第二过水孔（22），所述下隔水片（30）设有热水进水孔（32）、冷水进水孔（31）、直饮水进水孔（33）、出水孔（34），第一过水孔（21）与出水孔（34）相连通；第一种出水模式，上隔水片（20）堵住热水进水孔（32）、冷水进水孔（31）和直饮水进水孔（33），阀芯关闭；第二种出水模式，上隔水片（20）堵住热水进水孔（32）、冷水进水孔（31），第二过水孔（22）与直饮水进水孔（33）相连通，转动上隔水片（20）可调整第二过水孔（22）与直饮水进水孔（33）的重叠面积；第三种出水模式，上隔水片（20）堵住直饮水进水孔（33），第一过水孔（21）与热水进水孔（32）和/或冷水进水孔（31）相连通，转动上隔水片（20）可调整第一过水孔（21）与热水进水孔（32）、冷水进水孔（31）的重叠面积比例。下隔水片（30）上只设置一个出水孔（34），结构简单，出水孔（34）的面积更大，增加阀芯流量。
Description
本发明涉及一种用于水路控制的主控阀芯。
现有用于水路控制的主控阀芯通常具备开关水或者兼具调整冷、热水比例的功能，有些则同时具备切换进、出水水路的功能。具有切换功能的主控阀芯其工作原理是针对冷水水路、热水水路、直饮水水路分别设置一组进水孔、出水孔、连接孔，通过改变连接孔的位置来使进水孔和出水孔实现连通或隔开，这些主控阀芯通常是采用前后拨动手柄的操作方式来操作，由于阀芯体积小，在阀芯内针对每一条水路都设置出水孔，造成阀芯结构复杂、紧凑，过水孔面积小，出水量小。另外，有些冷水水质较好的地方，冷水可以直接饮用，现有的主控阀芯无法单独接通冷水，使用时常常会混入热水的风险。
发明内容
本发明提供了一种结构简单、出水量大的主控阀芯，其克服了背景技术所存在的不足。本发明解决其技术问题所采用的技术方案是：
一种主控阀芯，包括壳体、叠放在一起的上隔水片和下隔水片、用于控制上隔水片在水平面内转动和沿横向移动的手柄机构，上隔水片和下隔水片收容在壳体内，上隔水片设有相互连通的第一过水孔和第二过水孔，所述下隔水片设有热水进水孔、冷水进水孔、直饮水进水孔、出水孔，第一过水孔与出水孔相连通；手柄机构横向移动上隔水片可切换三种出水模式：
第一种出水模式，上隔水片堵住热水进水孔、冷水进水孔、直饮水进水孔，阀芯关闭；
第二种出水模式，上隔水片堵住热水进水孔、冷水进水孔，第二过水孔与直饮水进水孔相连通，转动上隔水片可调整第二过水孔与直饮水进水孔的重叠面积；
第三种出水模式，上隔水片堵住直饮水进水孔，第一过水孔与热水进水孔和/或冷水进水孔相连通，转动上隔水片可调整第一过水孔与热水进水孔和冷水进
水孔的重叠面积比例。
本技术方案与背景技术相比，它具有如下优点：
1.下隔水片上只设置一个出水孔，冷水、热水、直饮水、混合水都是从相同的出水孔出水，简化下隔水片的结构，加工方便，使配合的产品结构简单，同时出水孔的面积可以做得更大，可以起到增大流量的作用。
2.所述壳体包括上盖和底座，所述底座设有三个开孔，三个开孔分别与热水进水孔、冷水进水孔、直饮水进水孔、出水孔相连通，直饮水进水孔接单冷水，此时阀芯第一档位出的就是单冷水，具有防止热水混入的功能，同时可调节水量大小。
3.所述转动座内设有档位弹片，所述拨盘上设有档位销；档位弹片中部设有凸起，档位销在第一种出水模式时位于凸起前部，档位销在第三种出水模式时位于凸起后部，增加切换手感，具有档位提示功能。
4.本方案提供了一种具有多个进水孔，一个出水孔的阀芯，采用向一个方向拨动来对水路切换的操作方式，防止误操作。
下面结合附图和实施例对本发明作进一步说明。
图1绘示了本发明一种主控阀芯的立体分解示意图。
图2绘示了图1所示主控阀芯的上隔水片的立体示意图。
图3绘示了图1所示主控阀芯的下隔水片的立体示意图。
图4绘示了图1所示主控阀芯在第一种出水模式下的示意图。
图5绘示了主控阀芯在第一种出水模式下上隔水片的位置示意图。
图6绘示了图1所示主控阀芯在第二种出水模式下的示意图。
图7绘示了主控阀芯在第二种出水模式下上隔水片的位置示意图。
图8绘示了图1所示主控阀芯在第三种出水模式下的示意图。
图9绘示了主控阀芯在第三种出水模式下上隔水片的位置示意图。
图10绘示了图1所示主控阀芯的底座的变形示意图。
请参照图1至图4，本发明的一种主控阀芯，包括壳体10、叠放在一起的上隔水片20和下隔水片30、用于控制上隔水片在水平面内转动和沿横向移动的手柄
机构40，上隔水片20和下隔水片30收容在壳体10内，手柄机构40与上隔水片20传动连接。上隔水片20设有相互连通的第一过水孔21和第二过水孔22，下隔水片30设有冷水进水孔31、热水进水孔32、直饮水进水孔33、出水孔34，第一过水孔21与出水孔34始终相连通，手柄机构40横向移动上隔水片20可切换三种出水模式：
如图4和图5所示，第一种出水模式，上隔水片20堵住冷水进水孔31、热水进水孔32、直饮水进水孔33，阀芯关闭，出水孔34不出水；
如图6和图7所示，第二种出水模式，上隔水片20堵住冷水进水孔31、热水进水孔32，第二过水孔22与直饮水进水孔33相连通，出水孔34出直饮水，转动上隔水片20可调整第二过水孔22与直饮水进水孔33的重叠面积；
如图8和图9所示，第三种出水模式，上隔水片20堵住直饮水进水孔33，第一过水孔21与冷水进水孔31和/或热水进水孔32相连通，转动上隔水片20可调整第一过水孔21与冷水进水孔31和热水进水孔32的重叠面积比例，甚至完全关闭冷水进水孔31或热水进水孔32。
请参照图5、7、9，第一过水孔21位于上隔水片的中部位置，第二过水孔22设置在上隔水片的偏心位置，冷水进水孔31、热水进水孔32、直饮水进水孔33位于下隔水片的偏心位置，出水孔34位于下隔水片的中部位置。所述第二过水孔22呈圆弧形状，在第二种出水模式下，第二过水孔22与直饮水进水孔33在相同的圆周线上。冷水进水孔31和热水进水孔32在相同的圆周线上，所述第一过水孔21的外沿具有与热水进水孔和冷水进水孔对接的圆弧部分212。
在第一种出水模式下，上隔水片20旋转中心位于下隔水片30中心的下侧；在第二种出水模式下，上隔水片20旋转中心与下隔水片30中心基本重合；在第三种出水模式下，上隔水片20旋转中心位于下隔水片30中心的上侧。
请参照图4和图6，所述上隔水片20的顶面设有凹槽24，第一过水孔和第二过水孔通过所述凹槽实现连通。
请参照图1、4、6、8，所述壳体10包括上盖12和底座14，下隔水片30叠放在底座14上，所述底座14设有四个开孔142，四个开孔分别与冷水进水孔31、热水进水孔32、直饮水进水孔33、出水孔34相连通。
所述手柄机构40包括拨盘41、转动座42、旋杆43，拨盘41和转动座42
收容在壳体10内；拨盘41叠放在上隔水片20上，转动座42罩在拨盘41上，旋杆43的中部铰接在转动座42上，旋杆底部插入到拨盘41上，旋杆43顶部伸出上盖12。上隔水片20、拨盘41、转动座42、旋杆43四者在圆周方向上相卡接实现同步转动。拨盘41与上隔水片20在水平面内相卡接，摆动旋杆43可使拨盘41在水平面内横向移动切换出水模式。
所述转动座42内设有档位弹片44，所述拨盘41上设有档位销45；档位弹片44中部设有凸起，档位销45在第一种出水模式时位于凸起前部，档位销45在第三种出水模式时位于凸起后部。
所述转动座42设有穿孔422，穿孔422的横截面形状是非圆形，穿孔422套住旋杆43，旋杆43的横截面是非圆形。旋杆43具有第一斜面431和第二斜面432，第一种出水模式时第一斜面431与穿孔422侧壁分离而第二斜面432贴靠在穿孔侧壁上；第二种出水模式时第一斜面431和第二斜面432与穿孔侧壁分离；第三种出水模式时第一斜面431贴靠在穿孔侧壁上而第二斜面432与穿孔422侧壁分离。
本实施中，旋杆43横截面为方形；旋杆43长度方向具有第一斜面431和第二斜面432，及相对的第三斜面433和第四斜面434，其中第一斜面431与第三斜面433平行，第二斜面432与第四斜面434平行。
所述上隔水片20、下隔水片30是陶瓷材料。第一种出水模式切换到第二种出水模式时旋杆43摆动10度；第二种出水模式切换到第三种出水模式时旋杆43摆动23度。
本实施中，底座14设有四个开孔，四个开孔分别与热水进水孔、冷水进水孔、直饮水进水孔、出水孔相连通。
在冷水可以直接饮用的地方，请参照图10，由于不需要连接直饮水，因此底座14上的开孔142数量也可以减少到三个，即三个开孔142分别与热水进水孔、冷水进水孔、出水孔相连通，并且，所述直饮水进水孔与冷水进水孔相对应的开孔相连通。这样，在第二种出水模式下，冷水直接进入直饮水进水孔，再从出水孔流出，使出水孔具有单出冷水的功能，避免混入热水，同时具有节能的优点。
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。
本发明一种主控阀芯，具有三种出水模式：第一种，上隔水片堵住热、冷水进水孔和直饮水进水孔，阀芯关闭；第二种，上隔水片堵住热、冷水进水孔，第二过水孔与直饮水进水孔相连通；第三种，上隔水片堵住直饮水进水孔，第一过水孔与热水进水孔和/或冷水进水孔相连通；本发明的下隔水片上只设置一个出水孔，结构简单，出水孔的面积更大，增加阀芯流量，适用范围广，具有良好的工业实用性，
Claims (12)
- 一种主控阀芯，包括壳体、叠放在一起的上隔水片和下隔水片、用于控制上隔水片在水平面内转动和沿横向移动的手柄机构，上隔水片和下隔水片收容在壳体内，其特征在于：上隔水片设有相互连通的第一过水孔和第二过水孔，所述下隔水片设有热水进水孔、冷水进水孔、直饮水进水孔、出水孔，第一过水孔与出水孔相连通；手柄机构横向移动上隔水片可切换三种出水模式：第一种出水模式，上隔水片堵住热水进水孔、冷水进水孔、直饮水进水孔，阀芯关闭；第二种出水模式，上隔水片堵住热水进水孔、冷水进水孔，第二过水孔与直饮水进水孔相连通，转动上隔水片可调整第二过水孔与直饮水进水孔的重叠面积；第三种出水模式，上隔水片堵住直饮水进水孔，第一过水孔与热水进水孔和/或冷水进水孔相连通，转动上隔水片可调整第一过水孔与热水进水孔和冷水进水孔的重叠面积比例。
- 根据权利要求1所述的一种主控阀芯，其特征在于：所述第二过水孔呈圆弧形状；所述热水进水孔和冷水进水孔在相同的圆周线上，所述第一过水孔的外沿具有与热水进水孔和冷水进水孔对接的圆弧部分。
- 根据权利要求2所述的一种主控阀芯，其特征在于：在第二种出水模式下，第二过水孔与直饮水进水孔在相同的圆周线上。
- 根据权利要求2所述的一种主控阀芯，其特征在于：在第一种出水模式下，上隔水片旋转中心位于下隔水片中心的一侧；在第二种出水模式下，上隔水片旋转中心与下隔水片中心基本重合；在第三种出水模式下，上隔水片旋转中心位于下隔水片中心的另一侧。
- 根据权利要求1所述的一种主控阀芯，其特征在于：所述上隔水片的顶面设有凹槽，第一过水孔和第二过水孔通过所述凹槽实现连通。
- 根据权利要求1所述的一种主控阀芯，其特征在于：所述壳体包括上盖和底座，下隔水片叠放在底座上，所述底座设有四个开孔，四个开孔分别与热水进水孔、冷水进水孔、直饮水进水孔、出水孔相连通。
- 根据权利要求1所述的一种主控阀芯，其特征在于：所述壳体包括上盖和底座，下隔水片叠放在底座上，所述底座设有三个开孔，三个开孔分别与热水进水孔、冷水进水孔、出水孔相连通，并且，所述直饮水进水孔与冷水进水孔相对应的开孔相连通。
- 根据权利要求1所述的一种主控阀芯，其特征在于：所述手柄机构包括拨盘、转动座、旋杆，拨盘和转动座收容在壳体内；拨盘叠放在上隔水片上，转动座罩在拨盘上，旋杆的中部铰接在转动座上，旋杆底部插入到拨盘上，旋杆顶部伸出上盖，上隔水片、拨盘、转动座、旋杆四者在圆周方向上相卡接实现同步转动；拨盘与上隔水片在水平面内相卡接，摆动旋杆可使拨盘在水平面内横向移动切换出水模式。
- 根据权利要求8所述的一种主控阀芯，其特征在于：所述转动座内设有档位弹片，所述拨盘上设有档位销；档位弹片中部设有凸起，档位销在第一种出水模式时位于凸起前部，档位销在第三种出水模式时位于凸起后部。
- 根据权利要求8所述的一种主控阀芯，其特征在于：所述转动座设有穿孔，穿孔的横截面形状是非圆形，穿孔套住旋杆，旋杆的横截面是非圆形；旋杆具有第一斜面和第二斜面，第一种出水模式时第一斜面与穿孔侧壁分离而第二斜面贴靠在穿孔侧壁上；第二种出水模式时第一斜面和第二斜面与穿孔侧壁分离；第三种出水模式时第一斜面贴靠在穿孔侧壁上而第二斜面与穿孔侧壁分离。
- 根据权利要求10所述的一种主控阀芯，其特征在于：第一种出水模式切换到第二种出水模式时旋杆沿开启方向拨动一个角度；第二种出水模式切换到第三种出水模式时旋杆继续沿开启方向拨动一个角度。
- 根据权利要求10所述的一种主控阀芯，其特征在于：所述旋杆横截面为方形；旋杆长度方向具有第一斜面和第二斜面，及相对的第三斜面和第四斜面，其中第一斜面与第三斜面平行，第二斜面与第四斜面平行。
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