WO2016019687A1 - 按压式切换阀 - Google Patents

按压式切换阀 Download PDF

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Publication number
WO2016019687A1
WO2016019687A1 PCT/CN2014/094997 CN2014094997W WO2016019687A1 WO 2016019687 A1 WO2016019687 A1 WO 2016019687A1 CN 2014094997 W CN2014094997 W CN 2014094997W WO 2016019687 A1 WO2016019687 A1 WO 2016019687A1
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WO
WIPO (PCT)
Prior art keywords
pressure receiving
valve
pressing
water
valve housing
Prior art date
Application number
PCT/CN2014/094997
Other languages
English (en)
French (fr)
Inventor
陈安源
郭建华
Original Assignee
江门市霏尼格斯淋浴制品科技有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 江门市霏尼格斯淋浴制品科技有限公司 filed Critical 江门市霏尼格斯淋浴制品科技有限公司
Publication of WO2016019687A1 publication Critical patent/WO2016019687A1/zh

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Classifications

    • 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
    • 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
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/02—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor
    • F16K3/04—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members
    • F16K3/06—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages
    • F16K3/08—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing with flat sealing faces; Packings therefor with pivoted closure members in the form of closure plates arranged between supply and discharge passages with circular plates rotatable around their centres
    • 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
    • E—FIXED CONSTRUCTIONS
    • E03—WATER SUPPLY; SEWERAGE
    • E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/02—Plumbing installations for fresh water
    • E03C1/04—Water-basin installations specially adapted to wash-basins or baths
    • E03C1/0408—Water installations especially for showers
    • E03C1/0409—Shower handles
    • 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
    • F16K3/00—Gate valves or sliding valves, i.e. cut-off apparatus with closing members having a sliding movement along the seat for opening and closing
    • F16K3/30—Details
    • F16K3/314—Forms or constructions of slides; Attachment of the slide to the spindle

Definitions

  • the invention relates to a valve structure, in particular to a push type switching valve.
  • the traditional bathroom switching valve usually uses a rotary knob to switch the water path, so that the bathroom facilities such as the shower can output different states of water according to the needs.
  • the conventional knob type switching valve is not convenient to use, and has been gradually switched.
  • the valve is replaced by, for example, a pipe cut-off or diverter switch valve disclosed in the patent document No. CN101793331, which uses a ball-point pen pressing mechanism to realize the switching of the water path, specifically using a double wedge-shaped formation to realize the valve.
  • the steering of the internal components of the core finally completes the switching of the waterway.
  • the push-type switching valve has a complicated structure, many components, and a complicated process. More importantly, since it is pressed once, at least two components are extended. The movement is moved twice separately, so the fatigue wear of the parts is more serious, resulting in a shorter life of the entire valve body structure.
  • switching valves that use a mechanism such as a seesaw to form a switching structure, such as a waterway switching mechanism disclosed in the patent document of the publication No. CN103623948, which also has a short service life, many components, installation and processing. More cumbersome questions.
  • the object of the present invention is to provide a push-to-switch
  • the valve has fewer internal moving parts, reduces fatigue and wear, and has fewer parts, is easy to install and process, and has lower cost.
  • the present invention adopts the following technical solutions:
  • Push-type switching valve including,
  • valve housing is provided with a water inlet and a water outlet connected by a valve chamber inside thereof, and the water inlet is connected with an external water inlet passage;
  • An upper pressure receiving member and a lower pressure receiving member fixed to the valve housing and axially offset;
  • An isolating member pivotally mounted within the valve housing and movable relative to the valve housing along its axis of rotation, the spacer member being disposed between the water inlet and the water inlet passage, and the spacer member is provided with a through hole offset from the axis of rotation thereof ;
  • the pressing member comprising a first mating end that cooperates with the upper pressure receiving member and a second mating end that cooperates with the lower pressure receiving member, and the pressing member is movable along with the partitioning member a first position in which the first mating end is engaged with the upper pressure receiving member and a second position in which the second mating end is in contact with the lower pressure receiving member;
  • a movable pressing member disposed on the valve housing, the pressing member is configured to drive the pressing member to move from the first position to the second position, and in the second position, the second engaging end of the pressing member is pressed downward An axial interaction force is generated between the pieces to rotate the pressing member clockwise;
  • An elastic member disposed between the valve housing and the spacer member, the elastic member providing elastic stress for driving the pressing member to move from the second position to the first position, and in the first position, the first pressing member An axial interaction force is generated between a mating end and the upper pressure receiving member to rotate the pressing member clockwise.
  • the pressing member includes a plurality of circumferentially distributed and axially extending around the axis of rotation of the spacer member a strip-shaped member, the first mating end and the second mating end are respectively located at two ends of the strip-shaped member, and the upper pressure-receiving member comprises a plurality of upper pressure-receiving portions corresponding to the strip-shaped member, the upper pressure-receiving portion and the first fitting portion
  • An upper driving mechanism for driving the strip member to rotate clockwise when the two of them are bonded together to generate an axial interaction force is formed between the ends;
  • the lower pressure receiving member includes a plurality of lower pressure receiving portions corresponding to the strip members in one-to-one correspondence
  • a lower driving mechanism for driving the strip member to rotate clockwise when the two of the pressing portions and the second mating end are combined to generate an axial interaction force is formed.
  • a first limiting slot is formed between the adjacent two upper pressure receiving portions, and a second limiting slot is formed between the adjacent two lower pressure receiving portions, and the first limiting slot and the second limiting slot are in the valve housing Displaced in the circumferential direction;
  • the upper drive mechanism includes an upper inclined surface disposed on the upper end surface of the strip member and/or the lower end surface of the upper pressure receiving portion, and the lower drive mechanism is disposed under the lower end surface of the strip member and/or the upper end surface of the lower pressure receiving portion
  • the inclined surface, the upper inclined surface and the lower inclined surface are inclined in opposite directions.
  • the valve housing is disposed in a shower, the valve housing includes an upper casing integrally formed on the shower housing, an upper water distribution tray fixed to the upper casing, and a lower water distribution tray fixed to the upper water distribution tray, the valve
  • the cavity is surrounded by the upper water dividing plate and the lower water dividing plate, the water inlet is arranged on the upper water dividing plate, the water outlet is arranged on the lower water dividing plate, and a mounting gap is formed between the upper water dividing plate and the top wall of the valve housing.
  • the upper pressure receiving member is located on the top wall of the valve housing, the lower pressure receiving member is located on the upper water dividing tray, and the partitioning member is located between the top wall of the valve housing and the upper water dividing tray.
  • the partition member has a disc-shaped structure, and the surface of the partition member facing away from the top wall of the valve housing has a spool rod extending along the axial direction thereof, and the spool rod and a pivot hole disposed on the upper water dividing disc Cooperating, and the lower end of the valve core rod is movably engaged in the mounting hole on the lower water dividing tray, and the pressing member is a movable button mounted on the shower housing for pressing the lower end of the valve core rod.
  • the valve housing includes a cylindrical portion and a valve cover screwed to the upper end of the tubular portion, the valve chamber is located in the tubular portion, the water inlet passage is disposed at the lower end of the tubular portion, and the water outlet is disposed at a side of the tubular portion, and the cylindrical portion is Providing a baffle separating the valve chamber from the water inlet passage, the water inlet is disposed on the baffle, and a valve base is disposed in the tubular portion between the baffle and the water inlet passage, and the valve base is disposed on the valve base
  • the water hole, the lower pressure receiving member is located on the upper surface of the valve base, the upper pressure receiving member is fixed on the cylindrical portion, and the partitioning member is located below the baffle.
  • the inside of the cylindrical portion is fixedly provided with a mounting bracket and a retaining bracket fixed to the upper portion of the mounting bracket.
  • the baffle is disposed at the bottom of the mounting bracket, and a spool shaft slidable along the axial direction of the tubular portion is bored in the retaining bracket.
  • the lower end portion of the spool shaft is pivotally connected to the partitioning member, and the spool shaft is provided with a shoulder portion for pressing the partitioning member downwardly, and a pressing rod is also inserted into the retaining frame, and the lower end portion of the pressing rod is pressed
  • the pressing member is formed by the valve cover passing over the upper end surface and the upper end portion of the spool shaft.
  • the elastic element is a spring or an elastic block.
  • the water inlet includes at least one inlet that is circumferentially distributed.
  • the components can reduce the mutual friction of the internal components of the switching valve, increase the service life of the switching valve, and at the same time, the structure is relatively simple, easy to assemble, and low in cost due to fewer moving parts.
  • the pressing switching mechanism adopted by the present invention can realize the silent switching function compared with the conventional switching valve adopting a ball-point pen pressing mechanism, and the sounding does not occur during the pressing process. The pressure switching mechanism will also last longer.
  • Embodiment 1 is a schematic structural view of Embodiment 1 of the present invention.
  • Figure 2 is a cross-sectional view of the push type switching valve shown in Figure 1;
  • Figure 3 is a schematic structural view of the upper water dividing tray of Figure 1;
  • Figure 4 is a schematic structural view of the spacer member of Figure 1;
  • Figure 5 is a view of the other direction of the isolation member
  • Figure 6 is an enlarged view of a portion A in Figure 1;
  • Figure 7 is another form of cooperation of the valve stem and the isolation member in the first embodiment of the present invention.
  • FIG. 8 is a schematic structural diagram of Embodiment 2 of the present invention.
  • FIG. 9 is a schematic structural diagram of Embodiment 3 of the present invention.
  • Figure 10 is a cross-sectional view of the push type switching valve shown in Figure 9;
  • FIG 11 is a schematic structural view of the mounting bracket of Figure 9;
  • 100 shower housing; 101, button; 10, valve housing; 11, water inlet channel; 12, upper water tray; 121, pivot hole; 122, water inlet; 123, lower pressure member; Lower pressure part; 1232, lower pressure slope; 1233, second limit groove; 13, lower water distribution plate; 131, water outlet; 132, mounting hole; 20, upper pressure receiving member; 201, upper pressure Part 202; upper pressure inclined slope; 203, first limit groove; 30, isolation member; 301, through hole; 31, top pressing member; 310, strip member; 311, first mating end; 312, second Mating end; 32, valve stem; 40, spring; 50, cylindrical part; 51, valve cover; 52, water inlet passage; 53, water outlet; 54, baffle; 541, water inlet; 542, upper pressure Parts; 55, mounting bracket; 56, Cage; 60, valve base; 61, lower pressure member; 70, isolation member; 71, pressing member; 72, spool shaft; 80, spring; 90, pressure bar.
  • a push-type switching valve according to a first embodiment of the present invention is installed in a shower housing 100 for switching the internal water passage of the shower to meet different showers.
  • the push type switching valve in the first embodiment specifically includes a valve housing 10, an upper pressure receiving member 20, a lower pressure receiving member 123, an isolating member 30, a pressing member 31, a button 101, and a spring 40, wherein the valve housing 10
  • the upper casing is integrally formed on the top wall of the shower housing 100, the upper water dividing tray 12 fixed to the lower end surface of the upper casing, and the lower water dividing tray 13 fixed to the lower surface of the upper water dividing tray 12, the shower housing
  • the water inlet passage 11 for connecting the water inlet port of the shower housing 100 and the inner cavity of the upper shell of the valve housing 10 is disposed on the 100, and the upper water distribution tray 12 and the lower water distribution tray 13 are in a closed joint, and the second A valve cavity is formed between the two, and a water inlet 122 is disposed on
  • the bottom wall of the lower water distribution tray 13 is provided with a water outlet 131, and the top wall of the upper water distribution tray 12 and the top of the upper water tank 12 The wall is offset by a certain distance to form a mounting gap.
  • the spacer member 30 has a circular plate-like structure and is placed in the mounting gap.
  • the spacer member 30 is provided with a through hole 301 offset from the central axis thereof.
  • valve housing 10 Connected within the valve housing 10, it is rotatable relative to the valve housing 10 about its central axis, while the isolation member 3 0 can also be moved axially relative to the valve housing 10 by its own central axis, that is, the spacer member 30 not only has a degree of freedom of rotation with respect to the valve housing 10, but also has an axial movement relative to the valve housing 10. Degree of freedom, specifically, on the top
  • the water tray 12 is provided with a pivot hole 121, and the pivot hole 121 is offset from the water inlet 122.
  • the lower surface of the partition member 30 is integrally formed with a valve core rod 32 extending downward in the axial direction thereof. The valve core rod 32 is pivotally connected.
  • the manner is pierced in the pivot hole 121 and is slidable in the axial direction of the pivot hole 121.
  • the lower end portion of the valve stem 32 is pierced by the predetermined mounting hole 132 on the lower water-distributing tray 13, and the button 101 is movable.
  • the portion of the lower end portion of the valve plug rod 32 that passes through the mounting hole 132 abuts against the inner surface of the button 101, and the button 101 is pressed to drive the spool rod 32 to move upward. , thereby driving the isolation member 30 to move upward.
  • the spring 40 described above is mounted between the upper surface of the spacer member 30 and the top wall of the valve housing 10, and the spring 40 is pressed under normal conditions to provide an elastic stress for pressing the spacer member 30 downward.
  • the above-mentioned spacer member 30 always maintains a downward movement tendency and is pressed against the upper surface of the upper water-distributing tray 12, that is, the spacer member 30 is pressed tightly so as to always fit the above-mentioned
  • the water outlet 122 is external, and thus, the partition member 30 is placed between the water inlet 122 and the water inlet passage 11, and after the button 101 is pressed, the through hole 301 in the partition member 30 can be wound around the rotation axis of the partition member 30 (i.e., the partition member 30).
  • the central axis of the motor is revolved so that the through hole 301 and the water inlet 122 can be controlled in different ways to control the water path, or the partition member 30 can be closed by the portion other than the through hole 301, thereby switching the water passage.
  • the spacer member 30 is allowed to rotate, and the spacer member 30 is rotated by a certain angle every time the button 101 is pressed to switch the different positions of the through hole 301 to achieve the above object.
  • the pressing member 31 cooperates with the upper pressure receiving member 20 and the lower pressure receiving member 123 to rotate the partitioning member 30 in a stepwise manner.
  • the specific structure is that the pressing member 31 is integrated.
  • the lower pressure receiving member 123 is located at the periphery of the hole wall of the pivot hole 121, so that the lower pressure receiving member 123 and the upper pressure receiving member 20 are The axial direction is offset from each other by a distance greater than the length of the pressing member 31.
  • the pressing member 31 can be in a first position where the upper end of the pressing member 31 is attached to the upper pressing member 20 and a lower end of the pressing member 31.
  • the partitioning member 30 Moving between the second position and the lower pressure receiving member 123, in the first position, the partitioning member 30 is axially offset from the upper water dividing tray 12 by a distance, and in the second position, the partitioning member 30 The upper surface of the upper water distribution tray 12 is attached to the water inlet 122.
  • the button 101 When the button 101 is pressed upward, the button 101 pushes the spool rod 32 upward to move the above-mentioned pressing member 31 from the second position to the first position, and causes the shaft between the pressing member 31 and the upper pressure receiving member 20 to generate an axis.
  • the interaction force is such that the pressing member 31 drives the partitioning member 30 to rotate clockwise.
  • the spring 40 provides an elastic stress for pushing the pressing member 31 from the first position to the second position.
  • the pressing member 31 pushes the position where the lower pressing member 123 is fitted and generates an axial interaction force between the pressing member 31 and the lower pressing member 123 to cause the pressing member 31 to drive the partitioning member 30 to rotate clockwise, and finally The process of stepping the rotation of the isolation member 30 is completed.
  • the above-mentioned pressing member 31 generates an axial interaction force with the upper pressure receiving member 20 and the lower pressure receiving member 123 in the first position and the second position, respectively, to achieve the purpose of rotation, actually by the reversing drive mechanism.
  • the angle of the stepping rotation can satisfy the requirement of the switching waterway, and the angle of the above-mentioned one step rotation can be one-nth of a circumference, which requires the pressing member 31 and the upper pressure-receiving member 20
  • the lower pressure receiving member 123 is divided into a plurality of units uniformly distributed in the circumferential direction.
  • the present invention adopts the following specific manners to meet the angle requirement of the stepping rotation:
  • the pressing member 31 includes a circumferential distribution and an axial extension around the rotation axis of the partition member 30.
  • the plurality of strip members 310, the upper and lower ends of the strip member 310 respectively form a first mating end 311 and a second mating end 312, and the two ends of the strip member 310 are respectively worn by the two opposite surfaces of the spacer member 30.
  • the upper pressure receiving member 20 includes a plurality of upper pressure receiving portions 201 corresponding to the strip members 310 in one-to-one correspondence, and a lower end surface of the upper pressure receiving portion 201 and the first mating end portion 311 form a joint between the two.
  • the lower pressure receiving member 123 includes a plurality of lower pressure receiving portions 1231 corresponding to the strip member 310, the lower pressure receiving portion 1231 and the A lower drive mechanism is formed between the two mating ends 312 to drive the strip member 310 to rotate counterclockwise when the two of them are bonded together to create an axial interaction.
  • Both the upper driving mechanism and the lower driving mechanism are realized by reversing the inclined surface.
  • the first mating end 311 is the upper end portion of the strip member 310
  • the second mating end 312 is the lower end portion of the strip member 310.
  • the first engaging end 311 is a sloped surface
  • the lower end surface of the upper pressure receiving portion 201 is an upper pressure receiving inclined surface 202.
  • the first engaging end surface 311 and the upper pressure receiving inclined surface 202 are gradually inclined downward in a clockwise direction.
  • the second engaging end 312 is a sloped surface
  • the upper end surface of the lower pressure receiving portion 1231 is a lower pressure receiving inclined surface 1232.
  • the second engaging end surface 312 and the lower pressure receiving inclined surface 1232 are gradually inclined upward in a clockwise direction, which is exactly the same as the first
  • the angle of inclination of a mating end 311 and the upper stressed bevel 202 is opposite.
  • a first limiting slot 203 is formed between the two adjacent upper pressure receiving portions 201, and a second limiting slot 1233 is formed between the two lower pressure receiving portions 1231, the first limiting position.
  • the slot 203 and the second limiting slot 1233 are offset in the circumferential direction of the valve housing 10.
  • the first limiting slot 203 and the second limiting slot 1233 can be inserted into the strip member 310, and the mechanism is isolated during use.
  • the member 30 is pressed against the elastic stress of the spring 40, fits on the upper surface of the upper water dividing tray 12, presses the button 101, and overcomes the elastic stress of the spring 40, the strip member 310 moves upward.
  • the first mating end 311 of the strip member 310 When the first mating end 311 of the strip member 310 is in contact with the upper pressure-receiving slope 202, the first mating end 311 and the upper pressure-receiving ramp 202 generate an axial interaction force due to an external force, and the first mating end 311 The bottom end of the pressure-receiving slope 202 is slid to the top end, and finally falls into the first limiting groove 203, so that the strip member 310 is rotated clockwise by an angle to release the external force, under the elastic stress of the spring 40, the strip The member 310 moves downward.
  • the second mating end 312 of the strip member 310 When the second mating end 312 of the strip member 310 is in contact with the lower pressure-receiving slope 1232, the second mating end 312 slides over the top end of the pressed bevel 1232 under the elastic stress of the spring 40. To the bottom end, and finally into the second limiting slot 1233, the strip member 310 is again rotated clockwise by an angle, and the strip member 310 is finally embedded in the second limiting slot 1233, which rotates
  • the degree of freedom is defined by the second limiting groove 1233, and the degree of freedom of axial movement is defined by the elastic stress of the spring 40 and the upper surface of the upper water dividing disk 12, and the through hole 301 on the partition member 30 is rotated by the above process.
  • the rotation of the pressing member 31 is realized by the mutual cooperation between the inclined surfaces.
  • the upper driving mechanism may be configured to set only the first mating end 311 as a bevel or only to provide the compressing bevel 202.
  • the lower drive mechanism it can also be set accordingly.
  • the spool plug 32 described above can be coupled to the spacer member 30 in a snap-fit manner for ease of installation.
  • the pressure switching valve is a single module, which is substantially the same as the first embodiment, except that the single module pressing switch valve adopts a separate outer casing structure, and the independent outer casing structure serves as a push type switching valve.
  • the valve housing can be integrally installed in the shower head, or can be integrally installed in the faucet and other water pipelines or liquid pipelines to realize the switching of the waterway.
  • the valve housing of the push type switching valve includes a cylindrical portion 50 and a valve cover 51 that is screwed to the upper end portion of the cylindrical portion 50,
  • the valve chamber is located in the tubular portion 50, the water inlet passage 52 is open at the lower end portion of the tubular portion 50, and the water outlet 53 is disposed on the side of the tubular portion 50.
  • the baffle 54 is fixedly disposed inside the tubular portion 50, and the baffle plate 54 is placed between the water inlet passage 52 and the water outlet 53, the water inlet 541 is disposed on the baffle 54, and the cylindrical portion 50 is fixedly disposed on the inner side of the water inlet passage 52 with a valve base 60.
  • the valve base 60 is located Between the baffle 54 and the water inlet passage 52, the valve base 60 is provided with a water passing hole 61.
  • the lower pressure receiving member 61 is integrally formed on the upper surface of the valve base 60, and the partition member 70 has a disk plate structure.
  • the pressing member 71 is integrally formed on the lower surface of the partition member 70, that is, the pressing member 71 is disposed above and below the lower pressing member 61, between the partition member 70 and the valve base 60.
  • An upper pressure receiving member 542 is provided on the shutter 54 for driving the pressing member 71 to rotate when the spring 80 presses the pressing member 71 upward.
  • the structure of the pressing member 71 and the upper pressure receiving member 542 and the lower pressure receiving member 61 and between each other The mating relationship is the same as that of the above embodiment, and when the partition member 70 is moved downward to a position where the pressing member 71 and the lower pressing member 61 are in contact with each other, an axial interaction occurs between the pressing member 71 and the lower pressing member 61.
  • the force, the inclined surface interaction on the pressing member 71 and/or the lower pressure receiving member 61 can convert the axial force into a driving force for driving the pressing member 71 to rotate clockwise.
  • the spring 80 will be pressed.
  • the inclined surface interaction of the pressing member 71 and/or the upper pressure receiving member 542 can function axially.
  • the force is converted into a driving force for driving the pressing member 71 to continue to rotate clockwise.
  • the pressing member 71 is in the above two axially-forced positions, the pressing member 71 is embedded in the corresponding axial limiting groove. Thereby, the separation member 70 is always stepped in the clockwise direction to achieve the purpose of switching the water path.
  • the above-mentioned cylindrical portion 50 is internally fixed with a mounting bracket 55 and a retainer 56 above the mounting bracket 55.
  • the baffle 54 is located in the mounting bracket 55, and the retaining bracket 56
  • the upper part of the mounting bracket 55 is fastened in a snap-fit manner
  • the valve base 60 is fastened to the bottom of the mounting bracket 55 in a snap-fit manner, and the assembly formed by the retainer 56, the mounting bracket 55 and the valve base 60 is clamped to the valve.
  • the cover 51 is between the stepped portion of the inner wall of the tubular portion 50.
  • the inside of the cage 56 is movably connected with a spool shaft 72.
  • the lower end of the spool shaft 72 is inserted into the spacer member 70 and pivotally engaged with the spacer member 70.
  • the spool shaft 72 is further provided with a top for lowering.
  • the shoulder portion of the pressure isolating member 70, the above-mentioned spool shaft 72 has only a degree of freedom of movement up and down, in order to ensure the sealing of the entire valve structure, and the spacer member 70 is pivotally connected to the lower end portion of the spool shaft 72. Not only can it move downward under the top pressure of the shoulder on the spool shaft 72, but also the degree of freedom of rotation relative to the spool shaft 72.
  • the inside of the cage 56 is also threaded with a valve core 72 above it.
  • the pressing rod 90, the lower end portion of the pressing rod 90 is pressed against the upper end surface and the upper end portion of the spool shaft 72, and is passed through by the valve cover 51 to form a portion for pressing by a human hand.
  • internal threads for eliminating noise may be provided on the inner walls of the water inlet passage 52 and the water outlet 53, and at the same time, the outer surfaces of the water inlet passage 52 and the water outlet 53 are provided with piping for piping.
  • the external thread of the connection is used to facilitate the modular installation and disassembly of the push-type switching valve and the pipeline.
  • the spool assembly other than the tubular portion 50 and the valve cover 51 can be integrated. replace.
  • an elastic rubber block may be selected as the elastic member instead of the above-mentioned spring; in order to realize switching of various water passages, the water inlet includes at least one of circumferential distribution. import.
  • the lower pressure receiving member is fixedly disposed on the valve housing, when the water passage is switched, only the partition member drives the pressing member to move along the axial direction of the valve housing, and therefore, the moving member is compared with

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Hydrology & Water Resources (AREA)
  • Public Health (AREA)
  • Water Supply & Treatment (AREA)
  • Multiple-Way Valves (AREA)
  • Bathtubs, Showers, And Their Attachments (AREA)
  • Mechanically-Actuated Valves (AREA)

Abstract

一种按压式切换阀，包括，设有进水口(122、541)和出水口(131、53)的阀壳体(10)、上受压件(20、542)、下受压件(123、61)、隔离部件(30、70)、顶压件(31、71)，该顶压件(31、71)包括与上受压件(20、542)配合的第一配合端和与下受压件(123、61)配合的第二配合端，且该顶压件(31、71)可随着隔离部件(30、70)在一第一配合端与上受压件(20、542)贴合的第一位置和一第二配合端与下受压件(123、61)贴合的第二位置之间运动；按压件(101、90)，其用于带动顶压件(31、71)从第二位置运动到第一位置，并在第一位置时使顶压件(31、71)顺时针转动；弹性元件(40、80)，其所提供的弹性应力用于带动顶压件(31、71)从第一位置运动到第二位置，并在第二位置时使顶压件(31、71)的第二配合端与下受压件(123、61)之间产生轴向的相互作用力以使顶压件(31、71)顺时针转动。该切换阀可以增加切换阀的使用寿命，结构简单，便于组装。

Description

按压式切换阀 技术领域
本发明涉及一种阀结构，具体涉及一种按压式切换阀。
背景技术
传统的卫浴切换阀通常是利用旋转旋钮以切换水路，用以使花洒等卫浴设施能够依据需要输出不同状态的水流，这种传统的旋钮式切换阀使用不够方便，已经逐渐的被按压式切换阀所取代，例如，公开号为CN101793331的专利文献中公开的一种管道截止或切换开关阀，其是采用类似于圆珠笔按压机构来实现水路的切换，具体是采用了双楔形形成物来实现阀芯内部构件的转向，最终完成水路的切换，这种按压式切换阀结构复杂、零部件较多且加工过程较为繁琐，更为重要的是，由于其每按压一次，至少由两个部件顺延轴向分别移动两次，因此，零部件疲劳磨损的情况较为严重，导致整个阀体结构寿命较短。
目前，也有一些切换阀采用了如跷跷板的机构形成切换结构，如公开号为CN103623948的专利文献中公开的一种水路切换机构，其同样存在使用寿命较短、零部件较多、安装以及加工过程较为繁琐的问题。
发明内容
针对现有技术的不足，本发明的目的旨在于提供一种按压式切换 阀，其内部运动部件较少，减少了疲劳磨损的情况，同时零部件少、便于安装和加工，成本也较低。
为实现上述目的，本发明采用如下技术方案：
按压式切换阀，包括，
阀壳体，该阀壳体上设置有由其内部的阀腔连通的进水口和出水口，进水口与外部的进水通道连通；
固定于阀壳体上且轴向错开的上受压件和下受压件；
枢接在阀壳体内并可沿其旋转轴线相对于阀壳体运动的隔离部件，该隔离部件置于进水口和进水通道之间，且该隔离部件上设置有偏离其旋转轴线的通孔；
位于隔离部件上的顶压件，该顶压件包括与上受压件配合的第一配合端和与下受压件配合的第二配合端，且该顶压件可随着隔离部件在一第一配合端与上受压件贴合的第一位置和一第二配合端与下受压件贴合的第二位置之间运动；
活动的设置在阀壳体上的按压件，该按压件用于带动顶压件从第一位置运动到第二位置，并在第二位置时使顶压件的第二配合端与下受压件之间产生轴向的相互作用力以使顶压件顺时针转动；
设置在阀壳体和隔离部件之间的弹性元件，该弹性元件所提供的弹性应力用于带动顶压件从第二位置运动到第一位置，并在第一位置时使顶压件的第一配合端与上受压件之间产生轴向的相互作用力以使顶压件顺时针转动。
顶压件包括绕隔离部件的旋转轴线圆周分布且轴向延伸的多个 条状部件，第一配合端和第二配合端分别位于条状部件的两端，上受压件包括与条状部件一一对应的多个上受压部，上受压部和第一配合端之间形成一个在其二者贴合并产生轴向的相互作用力时驱动条状部件顺时针转动的上驱动机构；下受压件包括与条状部件一一对应的多个下受压部，下受压部和第二配合端之间形成一个在其二者贴合并产生轴向的相互作用力时驱动条状部件顺时针转动的下驱动机构。
相邻的两上受压部之间形成第一限位槽，相邻的两下受压部之间形成第二限位槽，第一限位槽和第二限位槽在阀壳体的圆周方向上错开；上驱动机构包括设置在条状部件上端面和/或上受压部下端面的上斜面，下驱动机构包括设置在条状部件下端面和/或下受压部上端面的下斜面，上斜面和下斜面的倾斜方向相反。
阀壳体置于一花洒内，该阀壳体包括一体成型于花洒壳体的上壳、固定于上壳上的上分水盘以及与上分水盘固定的下分水盘，阀腔由上分水盘和下分水盘围成，进水口设置在上分水盘上，出水口设置在下分水盘上，上分水盘与阀壳体的顶壁之间形成一个安装间隙，上受压件位于阀壳体的顶壁上，下受压件位于上分水盘上，隔离部件位于阀壳体的顶壁和上分水盘之间。
隔离部件呈圆盘板状结构，该隔离部件背离阀壳体顶壁的表面上具有一沿其轴向延伸的阀芯杆，该阀芯杆与一设置在上分水盘上的枢孔枢接配合，且阀芯杆的下端部活动的穿接于下分水盘上的安装孔中，按压件为活动的安装在花洒壳体上用于顶压阀芯杆下端部的按钮。
阀壳体包括筒状部以及螺纹连接于筒状部上端的阀盖，阀腔位于筒状部内，进水通道设置于筒状部的下端、出水口设置于筒状部的侧面，筒状部内设置一将阀腔与进水通道隔开的挡板，进水口设置于该挡板上，筒状部内固定安装有一位于挡板和进水通道之间的阀底座，该阀底座上设置有过水孔，下受压件位于阀底座的上表面、上受压件固定于筒状部上，隔离部件位于挡板的下方。
筒状部内固定的设置有一安装架、以及固定在安装架上部的保持架，挡板设置于安装架的底部，保持架内穿接有一可沿筒状部的轴向滑动的阀芯轴，该阀芯轴的下端部与隔离部件枢接，且阀芯轴上设置有一用于向下顶压隔离部件的轴肩部，保持架内还穿接有一压杆，该压杆的下端部顶压于阀芯轴的上端面、上端部则由阀盖穿出形成所述按压件。
弹性元件为弹簧或弹性胶块。
进水口包括圆周分布的至少一个进口。
本发明的有益效果在于：
本发明中，由于将上受压件和下受压件固定的设置在阀壳体上，在切换水路时，仅仅是隔离部件带动顶压件沿阀壳体的轴向移动，因此，其运动的部件相比于现有按压式切换阀少，可以减少切换阀内部部件的相互摩擦，增长切换阀的使用寿命，同时，由于运动部件较少，其结构相对较为简单、便于组装、成本较低此外，本发明所采用的按压切换机构相比于现有采用类似圆珠笔按压机构的切换阀，其能够实现静音切换功能，在按压过程中，不会出现响动,本发明所采用的按 压切换机构寿命也会更长。
附图说明
图1为本发明实施例一的结构示意图；
图2为图1所示按压式切换阀的剖视图；
图3为图1中上分水盘的结构示意图；
图4为图1中隔离部件的结构示意图；
图5为隔离部件另一个方向的视图；
图6为图1中A处的放大视图；
图7为本发明实施例一中阀芯杆与隔离部件的另一种配合形式；
图8为本发明实施例二的结构示意图；
图9为本发明实施例三的结构示意图；
图10为图9所示按压式切换阀的剖视图；
图11为图9中安装架的结构示意图；
其中：100、花洒壳体；101、按钮；10、阀壳体；11、进水通道；12、上分水盘；121、枢孔；122、进水口；123、下受压件；1231、下受压部；1232、下受压斜面；1233、第二限位槽；13、下分水盘；131、出水口；132、安装孔；20、上受压件；201、上受压部；202、上受压斜面；203、第一限位槽；30、隔离部件；301、通孔；31、顶压件；310、条状部件；311、第一配合端；312、第二配合端；32、阀芯杆；40、弹簧；50、筒状部；51、阀盖；52、进水通道；53、出水口；54、挡板；541、进水口；542、上受压件；55、安装架；56、 保持架；60、阀底座；61、下受压件；70、隔离部件；71、顶压件；72、阀芯轴；80、弹簧；90、压杆。
具体实施方式
下面，结合附图以及具体实施方式，对本发明做进一步描述：
参见图1-7所示，为本发明实施例一的按压式切换阀，该切换阀被安装在一花洒壳体100中，其用于切换花洒的内部水路，用以满足不同的淋浴要求。该实施例一中的按压式切换阀具体包括阀壳体10、上受压件20、下受压件123、隔离部件30、顶压件31、按钮101以及弹簧40，其中，阀壳体10包括一体成型于花洒壳体100顶壁上的上壳、固定在上壳下端面的上分水盘12、以及固定于上分水盘12下表面的下分水盘13，花洒壳体100上设置有将花洒壳体100的进水端口与阀壳体10上壳的内腔连通的进水通道11，上分水盘12与下分水盘13对接处密闭配合，并且其二者之间形成阀腔，上分水盘12的顶壁上设置有进水口122，下分水盘13的底壁则设置有出水口131，上分水盘12的顶壁与上壳的顶壁错开一定的距离形成一个安装间隙，上述的隔离部件30呈圆形板状结构并被置于该安装间隙中，隔离部件30上设置有与其中心轴线偏离的通孔301，该隔离部件30枢接在阀壳体10内，其能够绕自身中心轴线相对于阀壳体10转动，同时，该隔离部件30还能够顺延其自身中心轴线相对于阀壳体10轴向移动，也就是说，隔离部件30不仅具有相对于阀壳体10转动的自由度，还具备相对于阀壳体10轴向移动的自由度，具体的是，在上分 水盘12上设置有一枢孔121，该枢孔121与进水口122偏离，隔离部件30的下表面一体成型有一沿其轴向向下延伸的阀芯杆32，该阀芯杆32以枢接的方式穿接在枢孔121中，并且能够在枢孔121的轴向上滑动，同时，阀芯杆32的下端部由下分水盘13上预设的安装孔132穿出，按钮101活动的安装在花洒壳体100的下表面上，上述的阀芯杆32下端部从安装孔132穿出的部分恰好抵接于按钮101的内表面，按压按钮101以驱动阀芯杆32向上运动，从而带动隔离部件30向上运动。
上述的弹簧40被安装在隔离部件30的上表面与阀壳体10的顶壁之间，该弹簧40在常态下受压，从而提供一个将隔离部件30向下顶压的弹性应力，在该弹簧40的弹性应力下，上述的隔离部件30始终保持向下运动的趋势，并压紧于上分水盘12的上表面，也就是说将隔离部件30压紧使其始终贴合于上述进水口122外部，如此，该隔离部件30置于进水口122和进水通道11之间，在按压按钮101后，隔离部件30上的通孔301能够绕隔离部件30的旋转轴线(即隔离部件30的中心轴线)公转，从而使该通孔301与进水口122实现不同的配合方式控制水路、或利用隔离部件30除通孔301以外的部分将进水口122关闭，继而实现水路的切换，因此，在按压上述按钮101时，要使得隔离部件30能够转动，每按压一次，隔离部件30即转动一定的角度，来切换通孔301的不同位置以实现上述目的。
上述的顶压件31与上受压件20、下受压件123配合作用以使隔离部件30以步进的方式转动，具体的结构是，上述的顶压件31一体 成型于隔离部件30上，其能够随着隔离部件30轴向的移动以及转动，下受压件123位于枢孔121的孔壁周缘，如此，该下受压件123和上受压件20在轴向上相互错开一定的距离，该距离大于顶压件31的长度，顶压件31能够在一顶压件31上端与上受压件20贴合的第一位置和一顶压件31下端与下受压件123贴合的第二位置之间运动，在上述的第一位置时，隔离部件30与上分水盘12轴向的错开一定距离，在上述第二位置时，隔离部件30贴合与上分水盘12的上表面，即贴合于进水口122上。当向上按压按钮101时，按钮101推动阀芯杆32向上运动，使上述的顶压件31从第二位置移动到第一位置，并使顶压件31与上受压件20之间产生轴向的相互作用力以使顶压件31带动隔离部件30顺时针转动，在此基础上，弹簧40则是提供一个将顶压件31从第一位置推向第二位置的弹性应力，将顶压件31推动至于下受压件123贴合的位置并在顶压件31和下受压件123之间产生轴向的相互作用力以使顶压件31带动隔离部件30顺时针转动，最终，完成一个隔离部件30步进转动的过程。上述的顶压件31在第一位置和第二位置时分别与上受压件20和下受压件123产生轴向的相互作用力以实现转动的目的，实际上是通过换向驱动机构来实现的，当然，要完成步进转动的角度能够满足切换水路的要求，上述每次步进转动一次的角度可以是n分之一圆周，这就需要将顶压件31、上受压件20、下受压件123等分为圆周方向均匀分布的多个单元，本发明采用如下具体方式来满足步进转动的角度要求：
顶压件31包括绕隔离部件30的旋转轴线圆周分布且轴向延伸的 多个条状部件310，条状部件310的上、下两端分别形成第一配合端311和第二配合端312，条状部件310的两端分别由隔离部件30的两个对置表面穿出，上受压件20包括与条状部件310一一对应的多个上受压部201，上受压部201的下端面与第一配合端311之间形成一个在其二者贴合并产生轴向的相互作用力时驱动条状部件310顺时针转动的上驱动机构；下受压件123包括与条状部件310一一对应的多个下受压部1231，下受压部1231和第二配合端312之间形成一个在其二者贴合并产生轴向的相互作用时驱动条状部件310逆时针转动的下驱动机构。上驱动机构和下驱动机构均是采用斜面换向远离来实现的，具体是，第一配合端311即为条状部件310的上端部，第二配合端312即为条状部件310的下端部，第一配合端311为一斜面，上受压部201的下端面为一上受压斜面202，第一配合端311和上受压斜面202均是在顺时针方向上逐渐向下倾斜，第二配合端312为一斜面，下受压部1231的上端面为一下受压斜面1232，第二配合端312和下受压斜面1232均是在顺时针方向上逐渐向上倾斜的，其恰好与第一配合端311和上受压斜面202的倾斜方向相反。为了确保旋转角度的准确性，在上述的相邻两上受压部201之间形成第一限位槽203，在两下受压部1231之间形成第二限位槽1233，第一限位槽203和第二限位槽1233在阀壳体10的圆周方向上错开，第一限位槽203和第二限位槽1233均能恰好供条状部件310嵌入，上述机构在使用时，隔离部件30受弹簧40的弹性应力顶压，贴合在上分水盘12的上表面，按压按钮101，克服弹簧40的弹性应力，条状部件310向上运 动，当条状部件310的第一配合端311与上受压斜面202接触时，由于外力作用，第一配合端311与上受压斜面202产生轴向的相互作用力，第一配合端311顺延上受压斜面202的底端滑动至顶端，并最终落入到第一限位槽203中，使条状部件310顺时针转动一个角度，释放外力，在弹簧40的弹性应力作用下，条状部件310向下运动，当条状部件310的第二配合端312与下受压斜面1232接触时，在弹簧40的弹性应力作用下，第二配合端312顺延下受压斜面1232的顶端滑动至底端，并最终落入到第二限位槽1233中，使条状部件310再次顺时针转动一个角度，并且条状部件310最终被嵌置在第二限位槽1233中，其转动的自由度被第二限位槽1233限定，轴向移动的自由度则被弹簧40的弹性应力和上分水盘12的上表面限定，通过上述过程，使隔离部件30上的通孔301转动一定的角度，该通孔301与进水口122形成与初始状态不同的配合关系，完成一次水路的切换，当需要再次进行切换水路时，可重复上述动作，通孔301继续顺时针相应的步进转动，使通孔301与进水口122形成另一种不同的配合关系。
上述的方案中，利用斜面间的相互配合来实现顶压件31的转动，本发明中，上驱动机构，可以仅将第一配合端311设置为斜面，也可以仅在设置上受压斜面202，当然，对于下驱动机构来说，其可以也是相应的如此设置。
参见图7，为了便于安装，上述的阀芯杆32可以是以插装配合的方式与隔离部件30连接。
如图8所示，为本发明的第二种实施例，在该实施例中，整个按 压式切换阀为单一模块，其与上述实施例一的方案大致相同，不同之处仅在于，该单一模块的按压式切换阀采用独立的外壳结构，该独立的外壳结构作为按压式切换阀的阀壳体，其可以整体的安装在花洒中，也可以是整体的安装在水龙头以及其他用水管路或液体管路中，实现水路的切换。
参见图9-11，为本发明第三种实施例的按压式切换阀，该按压式切换阀的阀壳体包括筒状部50以及通过螺纹连接于筒状部50上端部的阀盖51，阀腔位于筒状部50内，进水通道52为筒状部50的下端部开口，出水口53则设置在筒状部50的侧面；筒状部50内部固定设置有一挡板54，挡板54被置于进水通道52和出水口53之间，进水口541被设置在该挡板54上，筒状部50位于进水通道52的内侧固定设置有一阀底座60，该阀底座60位于上述挡板54和进水通道52之间，阀底座60上设置有过水孔61，下受压件61被一体成型的设置于阀底座60的上表面，隔离部件70呈圆盘板状结构，其位于挡板54的下方，顶压件71一体成型于隔离部件70的下表面，即该顶压件71与下受压件61上下相对的设置，在隔离部件70和阀底座60之间安装有一弹簧80，该弹簧80做为隔离部件70的复位元件，其用于提供一个将隔离部件70向上顶压以使隔离部件70贴合于挡板54上的进水口541。在挡板54上设置有一上受压件542，该上受压件542用于在当弹簧80将顶压件71向上顶压时，驱动顶压件71转动。
顶压件71与上受压件542、下受压件61的结构以及相互之间的 配合关系与上述实施例相同，在隔离部件70向下运动至顶压件71与下受压件61相互接触的位置时，顶压件71与下受压件61之间产生轴向的相互作用力，顶压件71和/或下受压件61上的斜面相互作用能够将该轴向的作用力转换为驱动顶压件71顺时针转动的驱动力，当释放外力，弹簧80将顶压件71向上顶压以使顶压件71与上受压件542之间产轴向的相互作用力时，顶压件71和/或上受压件542的斜面相互作用能够将轴向的作用力转换为驱动顶压件71继续顺时针转动的驱动力，在顶压件71处于上述两个轴向受力位置时，顶压件71均是嵌置在相应的轴向限位槽中，从而实现隔离部件70始终在顺时针方向上步进的转动，以实现切换水路的目的。
为了便于安装以及保证整个阀结构的稳定性，上述的筒状部50内部固定有一安装架55、以及一位于安装架55上方的保持架56，挡板54位于上述安装架55中，保持架56以扣合的方式固定在安装架55的上部，阀底座60以扣合的方式固定在安装架55的底部，且保持架56、安装架55以及阀底座60构成的组装体被夹持在阀盖51和筒状部50内壁的台阶部之间。保持架56内部活动的穿接有一阀芯轴72，该阀芯轴72的下端部插装于隔离部件70并与隔离部件70枢转配合，阀芯轴72上还设置有一用于向下顶压隔离部件70的轴肩部，上述的阀芯轴72仅具备上下运动的自由度，以便于保证整个阀结构的密封性，隔离部件70由于是枢接在阀芯轴72的下端部，其不仅可以在阀芯轴72上的轴肩部的顶压下向下运动，还具有相对于阀芯轴72转动的自由度。保持架56内部还穿接有一位于阀芯轴72上方的 压杆90，该压杆90的下端部顶压于阀芯轴72的上端面、上端部则由阀盖51穿出形成供人手按压的部分。
上述的实施例三中，还可以在进水通道52和出水口53的内壁设置用于消除噪音的内螺纹，同时，在进水通道52和出水口53的外表面还设置有用于与管路连接的外螺纹，以便于实现按压式切换阀与管路的模块化安装和拆卸，当按压式切换阀发生故障时，可以将除筒状部50、阀盖51之外的阀芯组件进行整体更换。
在这里需要说明的是，本发明的上述三个实施例中，还可以选用弹性胶块作为弹性元件以替代上述的弹簧；为了实现多种水路的切换，上述的进水口包括圆周分布的至少一个进口。
本发明中，由于将下受压件固定的设置在阀壳体上，在切换水路时，仅仅是隔离部件带动顶压件沿阀壳体的轴向移动，因此，其运动的部件相比于现有按压式切换阀少，可以减少切换阀内部部件的相互摩擦，增长切换阀的使用寿命，同时，由于运动部件较少，其结构相对较为简单，便于组装，成本低。
对本领域的技术人员来说，可根据以上描述的技术方案以及构思，做出其它各种相应的改变以及形变，而所有的这些改变以及形变都应该属于本发明权利要求的保护范围之内。

Claims (9)

  1. 按压式切换阀，其特征在于，包括，
    阀壳体，该阀壳体上设置有由其内部的阀腔连通的进水口和出水口，进水口与外部的进水通道连通；
    固定于阀壳体上且轴向错开的上受压件和下受压件；
    枢接在阀壳体内并可沿其旋转轴线相对于阀壳体运动的隔离部件，该隔离部件置于进水口和进水通道之间，且该隔离部件上设置有偏离其旋转轴线的通孔；
    位于隔离部件上的顶压件，该顶压件包括与上受压件配合的第一配合端和与下受压件配合的第二配合端，且该顶压件可随着隔离部件在一第一配合端与上受压件贴合的第一位置和一第二配合端与下受压件贴合的第二位置之间运动；
    活动的设置在阀壳体上的按压件，该按压件用于带动顶压件从第一位置运动到第二位置，并在第二位置时使顶压件的第二配合端与下受压件之间产生轴向的相互作用力以使顶压件顺时针转动；
    设置在阀壳体和隔离部件之间的弹性元件，该弹性元件所提供的弹性应力用于带动顶压件从第二位置运动到第一位置，并在第一位置时使顶压件的第一配合端与上受压件之间产生轴向的相互作用力以使顶压件顺时针转动。
  2. 如权利要求1所述的按压式切换阀，其特征在于，顶压件包括绕隔离部件的旋转轴线圆周分布且轴向延伸的多个条状部件，第一配合端和第二配合端分别位于条状部件的两端，上受压件包括与条状部件一一对应的多个上受压部，上受压部和第一配合端之间形成一个在 其二者贴合并产生轴向的相互作用力时驱动条状部件顺时针转动的上驱动机构；下受压件包括与条状部件一一对应的多个下受压部，下受压部和第二配合端之间形成一个在其二者贴合并产生轴向的相互作用力时驱动条状部件顺时针转动的下驱动机构。
  3. 如权利要求2所述的按压式切换阀，其特征在于，相邻的两上受压部之间形成第一限位槽，相邻的两下受压部之间形成第二限位槽，第一限位槽和第二限位槽在阀壳体的圆周方向上错开；上驱动机构包括设置在条状部件上端面和/或上受压部下端面的上斜面，下驱动机构包括设置在条状部件下端面和/或下受压部上端面的下斜面，上斜面和下斜面的倾斜方向相反。
  4. 如权利要求2所述的按压式切换阀，其特征在于，阀壳体置于一花洒内，该阀壳体包括一体成型于花洒壳体的上壳、固定于上壳上的上分水盘以及与上分水盘固定的下分水盘，阀腔由上分水盘和下分水盘围成，进水口设置在上分水盘上，出水口设置在下分水盘上，上分水盘与阀壳体的顶壁之间形成一个安装间隙，上受压件位于阀壳体的顶壁上，下受压件位于上分水盘上，隔离部件位于阀壳体的顶壁和上分水盘之间。
  5. 如权利要求4所述的按压式切换阀，其特征在于，隔离部件呈圆盘板状结构，该隔离部件背离阀壳体顶壁的表面上具有一沿其轴向延伸的阀芯杆，该阀芯杆与一设置在上分水盘上的枢孔枢接配合，且阀芯杆的下端部活动的穿接于下分水盘上的安装孔中，按压件为活动的安装在花洒壳体上用于顶压阀芯杆下端部的按钮。
  6. 如权利要求2所述的按压式切换阀，其特征在于，阀壳体包括筒状部以及螺纹连接于筒状部上端的阀盖，阀腔位于筒状部内，进水通道设置于筒状部的下端、出水口设置于筒状部的侧面，筒状部内设置一将阀腔与进水通道隔开的挡板，进水口设置于该挡板上，筒状部内固定安装有一位于挡板和进水通道之间的阀底座，该阀底座上设置有过水孔，下受压件位于阀底座的上表面、上受压件固定于筒状部上，隔离部件位于挡板的下方。
  7. 如权利要求6所述的按压式切换阀，其特征在于，筒状部内固定的设置有一安装架、以及固定在安装架上部的保持架，挡板设置于安装架的底部，保持架内穿接有一可沿筒状部的轴向滑动的阀芯轴，该阀芯轴的下端部与隔离部件枢接，且阀芯轴上设置有一用于向下顶压隔离部件的轴肩部，保持架内还穿接有一压杆，该压杆的下端部顶压于阀芯轴的上端面、上端部则由阀盖穿出形成所述按压件。
  8. 如权利要求1-7任一项所述的按压式切换阀，其特征在于，弹性元件为弹簧或弹性胶块。
  9. 如权利要求1-7任一项所述的按压式切换阀，其特征在于，进水口包括圆周分布的至少一个进口。
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