WO2021218373A1 - 一种分向阀 - Google Patents

一种分向阀 Download PDF

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Publication number
WO2021218373A1
WO2021218373A1 PCT/CN2021/078967 CN2021078967W WO2021218373A1 WO 2021218373 A1 WO2021218373 A1 WO 2021218373A1 CN 2021078967 W CN2021078967 W CN 2021078967W WO 2021218373 A1 WO2021218373 A1 WO 2021218373A1
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WO
WIPO (PCT)
Prior art keywords
drive
transmission
driving
diverter valve
wheel
Prior art date
Application number
PCT/CN2021/078967
Other languages
English (en)
French (fr)
Inventor
朱梅生
王照亮
Original Assignee
苏州咖乐美咖啡机科技有限公司
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 苏州咖乐美咖啡机科技有限公司 filed Critical 苏州咖乐美咖啡机科技有限公司
Priority to KR1020227023869A priority Critical patent/KR20220123659A/ko
Priority to EP21796840.3A priority patent/EP4108965A4/en
Priority to JP2022543545A priority patent/JP7454054B2/ja
Publication of WO2021218373A1 publication Critical patent/WO2021218373A1/zh
Priority to US17/890,487 priority patent/US20220390034A1/en

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/46—Dispensing spouts, pumps, drain valves or like liquid transporting devices
    • A47J31/461—Valves, e.g. drain valves
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/53—Mechanical actuating means with toothed gearing
    • 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
    • F16H—GEARING
    • F16H19/00—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion
    • F16H19/001—Gearings comprising essentially only toothed gears or friction members and not capable of conveying indefinitely-continuing rotary motion for conveying reciprocating or limited rotary motion
    • 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
    • F16H—GEARING
    • F16H27/00—Step-by-step mechanisms without freewheel members, e.g. Geneva drives
    • F16H27/04—Step-by-step mechanisms without freewheel members, e.g. Geneva drives for converting continuous rotation into a step-by-step rotary movement
    • F16H27/08—Step-by-step mechanisms without freewheel members, e.g. Geneva drives for converting continuous rotation into a step-by-step rotary movement with driving toothed gears with interrupted toothing
    • 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
    • F16H—GEARING
    • F16H35/00—Gearings or mechanisms with other special functional features
    • 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
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/06—Use of materials; Use of treatments of toothed members or worms to affect their intrinsic material properties
    • 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
    • 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
    • F16K11/0743—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 with both the supply and the discharge passages being on one side of the closure plates
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
    • F16K31/042—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves with electric means, e.g. for controlling the motor or a clutch between the valve and the motor
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/02—Actuating devices; Operating means; Releasing devices electric; magnetic
    • F16K31/04—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor
    • F16K31/041—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves
    • F16K31/043—Actuating devices; Operating means; Releasing devices electric; magnetic using a motor for rotating valves characterised by mechanical means between the motor and the valve, e.g. lost motion means reducing backlash, clutches, brakes or return means
    • 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
    • F16K31/00—Actuating devices; Operating means; Releasing devices
    • F16K31/44—Mechanical actuating means
    • F16K31/53—Mechanical actuating means with toothed gearing
    • F16K31/535—Mechanical actuating means with toothed gearing for rotating valves
    • 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
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0025—Electrical or magnetic means
    • 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
    • F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
    • F16K37/0075—For recording or indicating the functioning of a valve in combination with test equipment
    • F16K37/0083—For recording or indicating the functioning of a valve in combination with test equipment by measuring valve parameters
    • 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
    • F16H—GEARING
    • F16H35/00—Gearings or mechanisms with other special functional features
    • F16H2035/006—Gearings or mechanisms for stopping or limiting movement, e.g. stopping a movement after few turns

Definitions

  • the invention relates to the technical field of vapor/liquid diversion in a beverage machine, in particular to a diversion valve.
  • the ceramic disc valve as a multi-way valve is more commonly used.
  • the ceramic disc valve includes a diverging movable block and a diverging main channel block that cooperate with each other, and the diverging main channel block is provided with several through holes.
  • Each through hole corresponds to a functional element, and a conduction groove is provided on the branch movable block.
  • the conduction groove can conduct the branch to two of the through holes on the main channel block, that is, the conduction groove can indirectly conduct the branch.
  • the ceramic disc valve in the prior art is mainly composed of a fixed ceramic disc and a rotatable ceramic disc concentric with it.
  • the fixed ceramic disc has inlet and outlet pipelines fixedly connected to the liquid or steam to be controlled.
  • One side of the through hole is provided with an elastic sealing element, and the pipeline channel is connected through the elastic sealing element, and the other side is in contact with the rotary disc valve; when working, the rotary disc valve is rotated to the selected rotation angle position , So as to realize the mutual connection with the inlet and outlet of the fixed ceramic disc.
  • the drive motor used to adjust the ceramic disc valve can be manual or automatically controlled by a program.
  • the Maltese cross disc valve which has a Maltese cross transmission device between the drive motor and the ceramic disc valve, and the transmission device includes a A Maltese swash plate with a radial drive groove and a drive pin connected to the drive motor. Driven by the drive motor, the drive pin is screwed into the radial drive groove in the Maltese swash plate every time the drive pin rotates. Thus, the Maltese swashplate is driven to rotate one step, and the Maltese swashplate drives the rotation of the above-mentioned rotary disc valve, thereby realizing the switching action of different conduction pipelines.
  • the drive pin in the device uses metal material as the drive pin shaft, and the base is a plastic part, and the two are integrated.
  • the metal material can meet the requirements of wear resistance and rigidity, and the plastic part of the base can be used to a certain extent. Reduce material costs, but in this way, the requirements for the production process will be correspondingly improved, and the corresponding production process will be more complicated; in addition, due to the frequent switching of water channels in the beverage machine, the rotation of the driving pin is at the beginning and end.
  • the invention provides a diverter valve with stable transmission, wear resistance, long service life, stable and reliable operation and low noise.
  • the present invention provides a directional valve including a directional valve assembly, A directional valve transmission assembly, a drive motor, and a control device that controls the drive motor, the drive motor drives the directional valve transmission assembly to drive under the control of the control device, thereby driving the directional valve assembly to gradually position,
  • the diverter valve transmission assembly is an intermittent gear transmission assembly, and the intermittent gear transmission assembly is driven by the driving motor, and the control device controls the driving motor to stop driving every time it transmits at least once.
  • the intermittent gear transmission assembly includes a drive wheel and a drive wheel that mesh with each other.
  • the drive wheel is connected to a drive motor, and the drive wheel is connected to a diverter valve assembly.
  • the drive motor is driven at least once every time under the control of the control device.
  • the driving wheel drives the transmission wheel to rotate to a certain angle, and when the transmission wheel rotates, the transmission wheel drives the diverter valve assembly to rotate, thereby realizing the switching action of the diverter valve assembly. Because the intermittent gear transmission assembly used in the present invention is driven by gear meshing, the contact area between the gear and the gear is large and the pressure is small. Therefore, the transmission is stable and reliable, and the noise is low during the operation. It is also wear-resistant enough under use, and can meet the requirements of long-term working consumption of the beverage machine.
  • a number of driving tooth areas are provided on a part of the arc surface of the driving wheel, a disc-shaped boss area is provided on the arc surface where no driving tooth area is provided, and a driving tooth area and a disc-shaped boss area are a driving group;
  • the transmission wheel is provided with several sets of transmission gears, and each group of transmission gears is matched with its drive group; every time the drive motor drives at least once, the drive teeth of the drive tooth area on the drive wheel drive the drive gears on the transmission wheel.
  • the transmission gear group rotates.
  • the present invention provides the following three possible preferred embodiments.
  • the first preferred embodiment there is one drive tooth area on the drive wheel, and one drive tooth in the drive tooth area.
  • the disc-shaped boss area surrounds the remaining non-driving tooth area;
  • the second preferred embodiment there are multiple driving tooth areas on the driving wheel, and the multiple driving tooth areas Arranged at intervals, at this time, the disc-shaped bosses are intermittently arranged in the interval between the plurality of driving tooth regions; in a third preferred embodiment, there are multiple driving teeth in the driving tooth region, The heights of the plurality of driving teeth are not equal.
  • gears are used for transmission, and the transmission is stable and reliable, and the noise is low.
  • each group of transmission tooth group includes a long tooth, a short tooth meshing with the driving tooth, and a stop groove.
  • the driving tooth drives After the short teeth are completed, the disc-shaped boss area is locked in the subsequent stop groove, and the drive teeth continue to rotate until they return to the initial position; another possible solution is the disc-shaped protrusion of the drive wheel set.
  • the platform area is the same height as the drive tooth area.
  • each group of transmission tooth groups includes transmission teeth meshing with the driving teeth of the driving tooth area. After finishing the corresponding transmission tooth, continue idling until it returns to the initial position.
  • each group of transmission tooth groups includes transmission teeth with different heights that match the plurality of drive teeth, and each A stop groove is formed between the group of transmission teeth. After the plurality of driving teeth drive the transmission teeth, the disc-shaped boss area on the drive wheel is locked in the stop groove to stop the drive The tooth continues idling until it returns to the initial position.
  • the control device in the diverter valve provided by the present invention includes a memory for recording the rotation position information of the intermittent gear transmission assembly, the driving times of the drive motor and/or the position change of the diverter valve assembly.
  • a memory for recording the rotation position information of the intermittent gear transmission assembly, the driving times of the drive motor and/or the position change of the diverter valve assembly.
  • the diverter valve further includes a reset device, which, under the control of the control device, drives the intermittent gear transmission assembly to automatically reset before each action.
  • the reset device may be a micro switch . Through the setting of the reset device, it can be ensured that the intermittent gear transmission assembly can return to the initial position before each action, ensuring that each action is a complete action process, thereby further ensuring the accuracy of the intermittent gear assembly action. Angular positioning.
  • the driving wheels and the driving wheels of the intermittent gear transmission assembly are made of plastic materials and are integrally formed. It is made of plastic material and integrally formed. Compared with the Maltese cross transmission device in the prior art, the cost is not only reduced, but the production process is relatively simple.
  • the dividing valve assembly in the dividing valve includes a dividing movable block and a dividing main channel block arranged concentrically.
  • the dividing main channel block is provided with a plurality of through holes
  • the dividing movable block is provided with a plurality of through holes.
  • a conduction groove, the conduction groove on the branching movable block conducts at least two through holes on the branching main channel block.
  • a plurality of conduction grooves are provided on the divided main channel block, and the conduction grooves on the divided main channel block and the divided movable block cooperate with each other to conduct on the divided main channel block.
  • the directional movable block on the directional valve assembly is connected to the transmission wheel of the intermittent gear transmission assembly, and the directional movable block is in the process of driving the intermittent gear transmission assembly by the drive motor.
  • the conduction groove on the branching movable block conducts different through holes on the branching main channel block, thereby realizing the switching action of different pipelines and realizing the multifunctional switching of the beverage machine Possibility to meet the requirements of the current beverage machine to prepare different beverages and perform other functions such as cleaning.
  • the intermittent gear transmission assembly used in this application is driven by gear meshing. Due to the large contact area and small pressure between the gears and gears, the transmission is stable and reliable, and the noise is low during the operation. It is also wear-resistant enough under high frequency use, and can meet the requirements of long-term working consumption of the beverage machine;
  • the driving wheel and the driving wheel of the intermittent gear transmission assembly in this application are made of plastic materials and are integrally formed. Compared with the Maltese cross transmission device in the prior art, it not only reduces the cost, but also the production process is relatively simple.
  • Fig. 1 is an exploded schematic diagram of the overall structure of a specific embodiment 1 of a directional valve provided by the present invention.
  • Fig. 2 is a partial enlarged schematic view of the intermittent gear transmission assembly of the first embodiment of the directional valve provided by the present invention.
  • FIG. 3 is a schematic plan view of the specific driving and meshing process of the intermittent gear transmission assembly of the specific embodiment 1 of the directional valve provided by the present invention.
  • FIG. 4 is a schematic diagram of the three-dimensional structure of the driving wheel and part of the process of the driving wheel in the operation process provided by the specific embodiment of the directional valve provided by the present invention.
  • Fig. 5 is an enlarged view of the partial structure of the diverter valve assembly and the water diverter seat assembly provided in the first embodiment of the diverter valve according to the present invention.
  • Fig. 6 is a schematic plan view of the plan structure of the directional main channel block and the directional movable block of the directional valve assembly provided in the first embodiment of the directional valve provided by the present invention.
  • Figure 6 (a) is the relative positional relationship between the divided main channel block and the divided movable block in the initial preparation state
  • Figure 6 (b) is the divided main channel block and the divided movable block in the pressure relief state Relative position relationship
  • Figure 6(c) is the relative position relationship between the split main channel block and the split movable block when preparing hot milk/hot milk froth
  • Figure 6(d) is the split main channel block when hot water is provided
  • Figure 6(e) shows the relative position relationship between the branch main channel block and the branch moving block when the milk frother is cleaned
  • Figure 6(f) does not perform any function.
  • FIG. 7 is a schematic diagram of the three-dimensional structure of the intermittent gear transmission assembly provided in the second embodiment of the directional valve provided by the present invention.
  • FIG. 8 is a schematic plan view of the meshing action of the intermittent gear transmission assembly provided by the second embodiment of the directional valve provided by the present invention.
  • FIG. 9 is a schematic diagram of the structure of the driving wheel and the driving wheel of the intermittent gear transmission assembly provided in the third embodiment of the directional valve provided by the present invention.
  • FIG. 10 is a schematic diagram of the structure of the driving wheel and the driving wheel of the intermittent gear transmission assembly provided in the fourth embodiment of the directional valve provided by the present invention.
  • This embodiment provides a diverter valve, including a diverter valve assembly, a diverter valve transmission assembly, a drive motor, and a control device that controls the drive motor.
  • the drive motor drives the drive motor under the control of the control device.
  • the directional valve transmission assembly is driven to drive the directional valve assembly to gradually position. It is characterized in that the directional valve transmission assembly is an intermittent gear transmission assembly, and the intermittent gear transmission assembly is driven by the drive motor.
  • the control device controls the driving motor to stop driving every time the transmission is performed at least once.
  • the intermittent gear transmission assembly includes a drive wheel and a drive wheel that mesh with each other.
  • the drive wheel is connected to the drive assembly, and the drive wheel is connected to the diverter valve assembly.
  • the transmission wheel is driven to rotate to a certain angle, and when the transmission wheel rotates, the diverter valve assembly is driven to rotate, so as to realize the switching action of the diverter valve assembly.
  • this embodiment exemplarily provides a directional valve.
  • the schematic diagram of its exploded structure is shown in FIG.
  • the component 2 and the drive component 3, and the diverter valve component 4 and the water diverting seat component 5 which are sequentially arranged on the other side of the diverter valve body 1;
  • the diverter valve body 1 is provided with a containing groove 11, so The part of the intermittent gear transmission assembly 2 and the part of the diverter valve assembly 4 are connected to each other in the containing groove 11;
  • the diverter valve in this embodiment also includes the control of the drive assembly 3
  • the control device (not shown in the figure), the drive assembly 3 can drive the intermittent gear transmission assembly 2 to drive under the control of the control device, and then drive the directional valve assembly 2 to gradually position to realize the divergence
  • the switching action of the valve assembly 2; each time the drive assembly 3 in this embodiment is driven, the control device will control the drive assembly 3 to stop driving.
  • the drive assembly 3 includes a drive motor 31 and a reduction box 32 integrated with the drive motor 31.
  • the reduction box 32 is An output shaft 33 is provided, and the output shaft 33 can be rotated by the drive motor 31 and the reduction box 32.
  • the intermittent gear transmission assembly 2 includes a driving wheel 21, a split wheel fixing seat 22, and a driving wheel 23 arranged in sequence, and the driving wheel 21 and the driving wheel 23 mesh with each other.
  • a part of the arc of the driving wheel 21 is provided with a number of driving tooth areas, and the arc surface without the driving tooth area is provided with a disc-shaped boss area, and a driving tooth area and a disc-shaped boss area are a driving group;
  • the transmission wheel is provided with several sets of transmission teeth, and each group of transmission teeth is matched with its drive teeth; each time the drive motor 31 is driven at least once, the drive teeth of the drive tooth area on the drive wheel 21 drive the transmission wheel 23 The transmission gear transmission.
  • FIG. 2 The partial enlarged view of the driving wheel 21 and the transmission wheel 23 in the preferred solution is shown in FIG. It is one, the driving tooth in the driving tooth area is also one 212, and the disc-shaped boss area 213 surrounds the remaining non-driving tooth area.
  • the height of the disc-shaped boss area 213 on the drive wheel 21 is lower than the height of the drive teeth 212 in the drive tooth area.
  • the drive wheel 23 is provided with multiple In the transmission tooth group, each transmission tooth group includes a long tooth 231, a short tooth 230 meshing with the driving tooth 212, and a stop groove.
  • the drive wheel 21 in this embodiment includes a base 210, a drive shaft 211 provided at the bottom of the base 210, and a drive provided on the base 210.
  • the teeth 212 and the disk-shaped boss area 213 surrounding the driving teeth 212 and having a height lower than the driving teeth 212.
  • the driving shaft 211 at the bottom of the base 210 is connected to the output shaft 33 on the reduction box 32, and The drive wheel 21 can be rotated under the drive of the output shaft 33 to drive the drive wheel 21 to rotate as a whole;
  • the installed support shaft 221, the drive teeth 212 on the drive wheel 21 and the disk-shaped boss area 213 surrounding the drive teeth 212 pass through the through hole 220 to the other side, and mesh with the drive wheel 23,
  • the transmission wheel 23 is sleeved on the support shaft 221 of the split wheel fixing seat 22; the transmission wheel 23 is intermittently provided with short teeth 230 and long teeth 231, each of which is a short tooth 230 and a long tooth 231 A set of transmission teeth.
  • the space defined between every two adjacent long teeth and the short teeth in between forms a stop groove.
  • the width of the short teeth 230 in this embodiment is the width of the long teeth. 231, the present invention is not limited to this, that is, the tooth width ratio of the short teeth 230 and the long teeth 231 can also be other ratios, and it is only necessary to ensure that the drive teeth 212 on the drive wheel 21 can be moved to the desired position. It is sufficient that the short teeth 230 on the transmission wheel 23 and the disc-shaped boss area 213 can be engaged in the stop groove; the transmission wheel 23 is connected to the short teeth 230 and the long teeth 231 The driving teeth 211 on the driving wheel 21 mesh with the disc-shaped boss area 213 to realize intermittent transmission.
  • FIG. 3 The schematic plan view of the specific action process of the intermittent gear transmission assembly 2 is shown in Fig. 3.
  • the driving tooth 212 on the driving wheel 21 is located between a short tooth 230a and the next long tooth 231b of the driving wheel 23; when the driving motor 31 starts to drive, in a driving cycle, the driving assembly 3
  • the output shaft 33 drives the drive teeth 212 on the drive wheel 21 to move the short teeth 230a on the drive wheel 23 forward, as shown in Figure (3b); at this time, the disc-shaped boss area 213 begins to mesh into the stop groove formed by the long teeth 231a and the next set of short teeth 230b and long teeth 231b.
  • the disc-shaped boss area 213 can drive the long teeth 231a to travel a distance forward until the front end of the disc-shaped boss area 213 completely enters the stop groove. At this time, the transmission wheel 23 is stopped. During the stopping process, The driving tooth 212 on the driving wheel 21 continues to idle until it returns to the initial state.
  • the idle rotation process is specifically shown in Figure (3c).
  • FIG. 4 shows a three-dimensional structural schematic diagram of the meshing process of the two
  • Figure (4a) shows the driving wheel 21 and the driving wheel.
  • the three-dimensional schematic diagram of the initial position of the transmission wheel 23 corresponds to the plan view of Figure (3a)
  • Figure (4b) shows that the drive wheel 21 after driving a set of transmission gear sets 230a and 231a
  • the structure diagram of the disc-shaped boss area 213 engaged in the stop groove formed by the long tooth 231a and the next set of transmission tooth sets 230b and 231b which corresponds to the schematic plan view of FIG. (3c).
  • the driving wheel 21 and the driving wheel 23 in the intermittent gear transmission assembly 2 are made of plastic materials, and both are integrally formed structures, which are compared with the Maltese cross transmission in the prior art.
  • the structural design of the device in which the metal driving pin is integrated on the plastic base not only reduces the cost, but also the production process is relatively simple, and the structural stability is also improved.
  • the diverter valve assembly 4 and the water diverter seat assembly 5 provided on the other side of the diverter valve body 1 pass through the accommodating groove 11 on the diverter valve body 1.
  • the intermittent gear transmission assembly 2 realizes the connection between each other; specifically, a part of the transmission wheel 23 of the intermittent gear transmission assembly 2 extends into the receiving groove 11 of the diverter valve body 1, and the transmission wheel 23
  • Two fixing ears 232 are provided on the part extending into the receiving groove 11 for mating connection with the diverter valve assembly 4.
  • FIG. 5 shows an enlarged view of the partial structure of the diverter valve assembly 4 and the water diverter seat assembly 5 on the other side of the diverter valve body 1, which is located on the other side of the diverter valve body 1.
  • the diverting valve assembly 4 includes a diverting block base 41, a diverging movable block 42, a diverging main channel block 43, and an elastic sealing connecting member 44 which are arranged in sequence, and the diverting block base 41, the diverging movable block 42, the diverging block The main channel block 43 is placed in the receiving groove 11 of the valve body 1 in sequence.
  • the main channel block 43 and the movable block 42 of the valve assembly are concentrically arranged, and the main The channel block 43 is provided with a number of through holes, the branching movable block 42 is provided with a number of conduction grooves, and the conduction grooves on the branching movable block 42 conduct at least the branching main channel block 43.
  • the dividing main channel block 43 realizes a sealed connection with the water dividing seat assembly 5 through the elastic sealing connecting member 44.
  • the diverting block base 41 is a ceramic ring, and the outer circumference of the ring is provided with positioning protrusions 410, and the positioning protrusions 410 and the diverting valve body
  • the shape of the accommodating groove 11 of 1 is matched to facilitate positioning and installation during installation.
  • the dividing movable block is arranged on the ceramic ring; the dividing movable block 42 is a circular ceramic dividing movable block, An arc-shaped conducting groove is opened on one side facing the dividing main channel block 43, and two grooves corresponding to the two fixing ears 232 on the transmission wheel 23 are opened on the other side (not shown in the figure).
  • the dividing main channel block 43 is a circular ceramic dividing main channel block, as shown in FIG. 6, which is set on the dividing movable block 42, and the dividing main channel block 43 is Six through holes are evenly arranged in a ring shape, and the arc-shaped conduction groove L1 on the splitting movable block 42 can realize the conduction of any two adjacent through holes on the splitting main channel block 43.
  • the arrangement of the six through holes on the branching main channel block 43 is the steam pressure relief port H1, the steam inlet H2, the steam outlet H3, the milk frother cleaning outlet H4, the hot water inlet H5, and the hot water inlet H5 in a counterclockwise sequence.
  • the water diversion seat assembly 5 includes a plurality of circulation pipelines, and the plurality of circulation pipelines respectively correspond to a plurality of through holes on the division main channel block 43.
  • One end of the plurality of circulation pipes is respectively connected to the plurality of through holes on the branching main channel block 43, and the other end is connected to a functional unit in a beverage machine such as a coffee machine.
  • the functional unit may be, for example, a steam generator or a heat generator. Water generator, milk frother and other functional outlet nozzles, etc.; specifically, the water diversion seat assembly 5 in this embodiment is provided with six circulation pipelines, and one end of the six circulation pipelines is connected to the divider.
  • the six circulation pipes provided on the water diversion seat in this embodiment are respectively steam pressure relief ports.
  • the pipeline M1, the steam inlet pipeline M2, the steam outlet pipeline M3, the milk foam cleaning outlet pipeline M4, the hot water inlet pipeline M5 and the hot water outlet pipeline M6, one end of the above six circulation pipelines are respectively connected to the On the six through holes on the main channel block, the other ends are respectively connected with the steam pressure relief nozzle, the steam generator, the steam outlet nozzle, the milk frother, the hot water generator and the hot water outlet nozzle.
  • the basic idea adopted in the connection relationship between the diversion valve assembly 4 and the water diversion seat assembly 5 in this embodiment is that the diversion main channel block is realized by the conduction groove on the diversion movable block 42
  • the conduction of the multiple through holes on 43 since the through holes on the dividing main channel block 43 are connected with the circulation pipes on the water dividing seat assembly 5, the upper conducting channel of the dividing main channel block 43 is connected.
  • the multiple circulation pipes corresponding to the multiple through holes are also connected accordingly.
  • the conducting groove on the branching movable block 42 can be changed by changing its length, shape, and width. It achieves the purpose of conducting any number of through holes on the branching main channel block 43, so as to realize the conduction of any circulation pipeline on the water dividing seat assembly 5, and how many flow channels are specifically connected?
  • the pipeline depends on the actual demand.
  • the steam inlet pipe M2 and the steam outlet pipe M3 on the water manifold assembly 5 are connected, so that the steam in the steam generator at one end of the steam inlet pipe M2 is sent to the At the steam outlet nozzle at one end of the steam outlet pipe M3, steam is used to heat the milk and/or milk froth; and so on, to realize the delivery of hot water, as shown in Figure 6(d), the drive motor 31 is driven five times, the branching movable block 42 rotates 300° counterclockwise from the initial preparation position, and the hot water inlet H5 and the hot water outlet H6 on the branching main channel block 43 are connected.
  • the hot water inlet pipe M5 and the hot water outlet pipe M6 on the seat assembly 5 are connected, thereby connecting the hot water generator at one end of the hot water inlet pipe M5 and the hot water outlet pipe
  • the hot water outlet nozzle connected at one end of M6 is connected to output the hot water in the hot water generator from the hot water outlet nozzle; when performing the milk frother cleaning action, as shown in Figure 6(e),
  • the conduction groove L1 on the branching movable block 42 conducts the milk foam washing outlet H4 and the hot water inlet H5 on the branching main channel block 43, at this time the milk foam washing pipeline on the water branching seat assembly 5 M4 and the hot water inlet pipe M5 are connected, thereby connecting the hot water inlet pipe M5 to one
  • the hot water in the hot water generator connected to the end is delivered to the milk frother connected to one end of the milk froth cleaning outlet pipe M4, and the milk frother is flushed; through the diverter valve and the water diversion seat in this embodiment
  • the diverter valve in this embodiment also includes a reset device, which, under the control of the control device, drives the intermittent gear assembly 4 to automatically reset before each drive.
  • the reset device selected in this embodiment is a micro switch 24, which includes two components 240 and 241, and the two parts are respectively mounted on the split wheel fixing seat 22 and the split valve body 1. , Used to ensure that the driving wheel 21 and the driving wheel 23 in the intermittent gear assembly 4 return to the meshing position of the initial state before each driving.
  • the above-mentioned driving motor 31 can also be driven by the control device to realize the reversal function, that is, for example, when performing the operation of delivering hot water, it can be rotated clockwise by 60° from the initial position.
  • the diverter valve assembly 4 starts from the initial position and can be driven by the drive motor 31 to rotate in sequence to switch the function sequence, or it can be directly switched from the initial position to the desired position under the drive of the drive motor 31 multiple times. Functional location.
  • the split main channel block 43 in this embodiment is provided with six equally divided through holes, it is necessary for the conduction grooves on the split movable block 42 to be in the intermittent gear transmission assembly 2 Driven, every time the action is executed, the requirement of 60° switching of the split movable block can be realized; it should be noted that the split main channel block in this embodiment can also be provided with through holes in other arrangements.
  • the conduction grooves on the splitting movable block can also be provided with multiple through holes according to the arrangement of the through holes on the splitting main channel block, and the conduction grooves can also be achieved by changing their length, shape, width and other forms. The purpose of conducting at least two through holes on the split main channel block.
  • the rotation angle required for each transmission of the intermittent gear will also occur.
  • Change in this embodiment, it needs to be switched at least 60°. In other possible embodiments, it can also be switched to any other angle, which can be achieved only by adjusting the density of the gears.
  • each drive tooth area on the drive wheel 21 and the drive tooth 212 in the area in this embodiment there is only one drive tooth area on the drive wheel 21 and the drive tooth 212 in the area in this embodiment.
  • the present invention is not limited to this, that is, it can be switched according to the actual needs of the angle to be switched.
  • a plurality of driving teeth 212 can be arranged in the driving tooth area of the driving wheel 21, and the plurality of driving teeth are continuously arranged.
  • the tooth area is one round; correspondingly, each group of transmission teeth on the transmission wheel 23 includes a plurality of short teeth 230 corresponding to the plurality of driving teeth 212.
  • each group of transmission teeth group includes The drive teeth meshed with the drive teeth of the drive tooth area, after the drive teeth on the drive wheel drive the corresponding set of drive teeth, the drive teeth continue to idle until they return to the initial position.
  • the intermittent gear transmission assembly in this embodiment includes a drive wheel 21', a split wheel fixing seat and a drive wheel 23', wherein the split The steering wheel fixing seat is the same as the dividing wheel fixing seat 22 in the first embodiment, and the description will not be repeated here.
  • the driving wheel 21' includes a base 210' and a drive shaft 211 provided at the bottom of the base 210' ', and a drive tooth area provided on the base 210', the drive tooth area includes two drive teeth 212'a, 212'b, and a circle with the two drive teeth is arranged around the two drive teeth A disc-shaped boss area 213' with the same height of driving teeth.
  • the drive shaft 211' at the bottom of the base 210' is connected to the output shaft of the reduction box in the drive assembly, and can be driven by the output shaft. The downward rotation drives the driving wheel 21' to rotate as a whole.
  • the transmission wheel 23' is provided with transmission teeth 230' with the same shape and evenly distributed. Every two transmission teeth 230' on the transmission wheel 23' are a set of transmission teeth.
  • the drive wheel 21' The two drive teeth 212'a and 212'b on the drive wheel 23' can continuously toggle the two drive teeth on the drive wheel 23'. After the drive is completed, due to the damping of the drive wheel 23', it can be used without damping. In the driving state, the inertial rotation is automatically stopped. At this time, the two driving teeth 212'a and 212'b continue to idle until they return to the initial position, and in the next driving process, continue to toggle the next on the transmission wheel 23' Group transmission gear group.
  • FIG. 8(a) shows a schematic diagram of the meshing state of the driving wheel 21' and the driving wheel 23' in the initial position.
  • FIG. 8(b) shows a schematic diagram of the state in which the driving tooth 212'a on the driving wheel 21' has finished driving one transmission tooth, and the next driving tooth 212'b is ready to drive the next transmission tooth.
  • the two drive teeth 212' in this embodiment can continuously move the two adjacent drive teeth 230' on the drive wheel 23', or adjust the two adjacent drive teeth 212' as needed.
  • the gap between the two transmission teeth 230' on the transmission wheel 23' is set according to the angle that the diverter valve assembly needs to switch each time.
  • the drive teeth 212' on the drive wheel 21' are not limited to the two drive teeth 212'a, 212'b provided in this embodiment, and the number of the drive teeth 212' can be Increase or decrease according to the actual need angle.
  • the transmission teeth on the transmission wheel 23' can be arranged intermittently in groups, a group of several transmission teeth, the intermittent adjustment between the groups, the gap between the groups forms a stop groove,
  • the number of drive teeth on the drive wheel 21' corresponds to the number of each group of drive teeth on the drive wheel 23' described above, and the exemplary embodiments thereof will not be described in detail.
  • This embodiment also provides another exemplary solution of an intermittent gear transmission assembly.
  • the plurality of driving tooth regions are arranged at intervals, and the disc-shaped boss is intermittently arranged at the interval between the two driving tooth regions Inside.
  • the driving wheel is the same.
  • the driving wheel in this embodiment is provided with two driving wheels. Tooth areas, each driving tooth area is provided with a driving tooth, and two intermittent disc-shaped boss areas are arranged between the two driving tooth areas; in detail, the driving wheel 21" in this embodiment Two driving teeth 212"a and 212"b are provided on the upper part, and the two driving teeth 212"a and 212"b are arranged opposite to each other on the base of the driving wheel 21" at an angle of 180°.
  • the two disc-shaped boss areas 213"a and 213"b are intermittently arranged in the interval between the two driving teeth; correspondingly, the driving process is that the driving wheel 21" can drive the transmission wheel every time the driving wheel 21" rotates 180° 23" Move a group of transmission gears forward.
  • This embodiment is a supplementary illustrative description of the second embodiment. Specifically, as shown in FIG. 10, the number of teeth on the transmission wheel in this embodiment is 16, and the number of teeth in the second embodiment is 12, that is, this The rotation angle of each tooth number of the transmission wheel in the embodiment is different from the rotation angle of the tooth number in the second embodiment. That is, the angle of each transmission rotation can be adjusted by adjusting the density of the gears.
  • the intermittent gear transmission assembly to be protected by the present invention also includes another possible deformable solution.
  • the possible deformable solution is specifically: a driving tooth in a driving tooth area is provided on a part of the arc of the driving wheel. There are multiple, and the heights of the multiple driving teeth are not equal; correspondingly, among the transmission tooth groups on the transmission wheel, each group of transmission teeth includes those that match the multiple driving teeth and have unequal heights. Transmission teeth and stop grooves.

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Abstract

一种分向阀，包括分向阀组件(4)、分向阀传动组件、驱动电机(31)以及控制驱动电机的控制装置，驱动电机在控制装置的控制下驱动分向阀传动组件传动，进而带动分向阀组件逐步定位，分向阀传动组件为间歇齿轮传动组件(2)，间歇齿轮传动组件在驱动电机的驱动下，每传动至少一次，控制装置就会控制驱动电机停止驱动。该分向阀所采用的间歇齿轮传动组件通过齿轮啮合的方式进行传动，由于齿轮与齿轮之间啮合时接触面积大、压力小，因此在动作过程中不仅传动平稳可靠，且在高频率使用情况下还足够耐磨，能够满足饮料机长时间工作消耗的要求。

Description

一种分向阀 技术领域
本发明涉及饮料机内汽/液体分向的技术领域，尤其涉及一种分向阀。
背景技术
现有技术中，在饮料机、特别是在咖啡机领域中，通常需要制备不同的饮料比如不同口味或种类的咖啡、以及需要用到不同的液体或气体比如制备咖啡需要用到牛奶、奶沫、热水或蒸汽等。为达到上述目的，普通的饮料机内部都会安装有多个单向阀，并通过手动或程序自动控制单向阀与例如热水发生器、蒸汽发生器热水出口喷嘴或蒸汽出口喷嘴等功能元件连接，在需要使用何种功能元件时就控制该功能元件所对应的单向阀打开，但这种方式存在的缺点是使用的零件数多、安装复杂，因此，出现了作为代替单向阀控制的多路阀。目前，使用较多的是作为多路阀的陶瓷盘型阀，该陶瓷盘形阀包括相互配合的分向活动块和分向主通道块，其中分向主通道块上开设数个通孔，每个通孔对应一个功能元件，分向活动块上设置有导通槽，该导通槽可以导通分向主通道块上的其中两个通孔，即该导通槽能间接导通分向主通道块上的两个通孔所对应的功能元件，例如导通蒸汽发生器和蒸汽出口喷嘴、或热水发生器和热水出口喷嘴等，在需要进行功能切换时，是通过驱动组件来旋转分向活动块，从而通过改变分向活动块上导通槽和分向主通道块上通孔的位置关系来切换不同功能元件的通断。现有技术中的陶瓷盘型阀主要由一个固定的陶瓷盘和一个与其同心的、可旋转的陶瓷盘组成，其中，固定的陶瓷盘具有固定连接到要控制的液体或蒸汽的入口和出口管线的通孔，其一侧设置有弹性密封件，并通过该弹性密封件连通管路通道，另一侧与旋转盘阀接触；工作时，通过旋转该旋转盘阀至选定的旋转角度位置上，从而实现与固定陶瓷盘 的进、出口的相互连接，用于调节陶瓷盘型阀的驱动电机可以是手动的、也可以是程序自动控制的。
实现盘型阀的精确角度定位，从而快速、准确地覆盖要连接的盘型阀上的开口，是多路阀提供可靠均匀的流量的保证。现有技术中，较为常见的、且匹配度比较好的盘型阀有如马耳他十字盘阀，其在驱动电机和陶瓷盘型阀之间有一个马耳他十字传动装置，在该传动装置中，包括一个带有径向驱动槽的马耳他十字盘和与驱动电机连接的驱动销，在驱动电机的驱动下，驱动销每旋转一次，驱动销就旋入所述马耳他十字盘中的径向驱动槽中，从而驱动马耳他十字盘旋转一步，所述马耳他十字盘带动上述的旋转盘阀旋转，从而实现不同导通管路的切换动作。
但是，由于在饮料机中需要频繁进行液/汽路的切换动作，因此对液/汽路切换的阀的耐磨性、刚性都有较高要求，针对这些要求，结合马耳他本身十字驱动结构特征，其装置中的驱动销采用金属材料作为驱动销轴、底座为塑料件，两者集成为一体，这样一方面，金属材质能够满足耐磨和刚性的要求，底座用塑料件能在一定程度上降低材料成本，但这样对生产工艺的要求会有相应的提高、相对应的生产工艺也会更复杂；此外，由于饮料机中频繁进行水路的切换动作，驱动销轴的转动始、末段，加速度变化较大，有柔性冲击，容易产生磨损，而这种磨损随着磨损的产生会发生指数级加剧，满足不了高频次使用场景以及长周期的寿命要求；除此之外，由于马耳他十字盘中的驱动销和槽轮的配合，一个是金属材料，一个是塑料材质，两者材料强度不一致,在磨损产生间隙时，啮入啮出冲击时更容易产生噪音，影响饮料机的使用体验感。因此，如何在降低成本及生产工艺难度的基础上，提供一种工作稳定可靠、且噪音低、能够提高使用体验感的饮料机是目前研究的热点问题之一。
发明内容
本发明提供了一种传动平稳、耐磨、寿命长且工作稳定可靠、噪音低的分向阀。
为解决上述现有技术问题，在考虑降低成本及生产工艺问题的同时，提供一种工作稳定可靠且噪音低的分向阀，本发明提供了一种分向阀，包括分向阀组件、分向阀传动组件、驱动电机以及控制所述驱动电机的控制装置，所述驱动电机在所述控制装置的控制下驱动所述分向阀传动组件传动，进而带动所述分向阀组件逐步定位，所述分向阀传动组件为间歇齿轮传动组件，所述间歇齿轮传动组件在所述驱动电机的驱动下，每传动至少一次，控制装置就会控制所述驱动电机停止驱动。
所述间歇齿轮传动组件包括相互啮合的驱动轮和传动轮，所述驱动轮与驱动电机连接，所述传动轮与分向阀组件连接，所述驱动电机在控制装置的控制下每驱动至少一次，所述驱动轮就带动所述传动轮转动一定角度，所述传动轮在转动时带动所述分向阀组件转动，从而实现所述分向阀组件的切换动作。由于本发明中采用的间歇齿轮传动组件是通过齿轮啮合的方式进行传动，齿轮与齿轮之间啮合时接触面积大、压力小，因此在动作过程中不仅传动平稳可靠、噪音低，且在高频率使用情况下还足够耐磨，能够满足饮料机长时间工作消耗的要求。
所述驱动轮的部分弧面上设有若干驱动齿区，未设置驱动齿区的弧面上设置有盘形凸台区，一个驱动齿区和一个盘形凸台区为一驱动组；所述传动轮上设有若干组传动齿组，每一组传动齿组与其驱动组相匹配；驱动电机每驱动至少一次，所述驱动轮上驱动齿区的驱动齿就带动所述传动轮上的传动齿组转动。
基于上述方案，本发明提供以下三种可能的优选实施方式，其中，在第一种 优选实施方式中，所述驱动轮上的驱动齿区为一个，所述驱动齿区内的驱动齿为一个或多个，此时所述盘形凸台区围绕剩余非驱动齿区区域；在第二种优选实施方式中，所述驱动轮上的驱动齿区为多个，所述多个驱动齿区间隔排布，此时所述盘形凸台区间断设置在所述多个驱动齿区之间的间隔内；在第三种优选实施方式中，所述驱动齿区的驱动齿为多个，所述多个驱动齿的高度不相等。上述三种可能的优选实施例中，均是采用齿轮啮合的方式进行传动，传动平稳可靠、噪音低。
基于上述第一至第二种可能的优选实施方式，其优选的还有两种可能的方案，其中一种可能的方案为所述驱动组的盘形凸台区的高度低于所述驱动齿区驱动齿的高度，相对应的，所述传动轮上的传动齿组中，每组传动齿组包括长齿、与所述驱动齿相啮合的短齿、以及止动凹槽，驱动齿驱动完短齿后，盘形凸台区卡合在随后的止动凹槽内进行止动，驱动齿继续空转直至回到初始位置；另一种可能的方案为所述驱动轮组的盘形凸台区与所述驱动齿区等高，相对应的，所述传动轮上的传动齿组中，每组传动齿组包括与所述驱动齿区驱动齿相啮合的传动齿，在驱动齿驱动完相对应的传动齿后，继续空转直至回到初始位置。
基于上述第三种可能的优选实施方式，优选的，所述传动轮上的传动齿组中，每组传动齿组包括与所述多个驱动齿相匹配的、高度不等的传动齿，每组传动齿组之间形成有止动凹槽，所述多个驱动齿驱动完传动齿后，所述驱动轮上的盘形凸台区卡合在所述止动凹槽内止动，驱动齿继续空转直至回到初始位置。
本发明提供的所述分向阀中的控制装置包括存储器，所述存储器用于记录所述间歇齿轮传动组件的旋转位置信息、驱动电机的驱动次数和/或分向阀组件的位置变化。通过存储器的设置，可以及时存储间歇齿轮传动组件、驱动电机和/ 或分向阀组件的相关信息，控制装置可以依据这些相关信息对间歇齿轮传动组件及驱动电机进行精准的控制，保证饮料机工作的可靠性和稳定性。
所述分向阀还包括复位装置，所述复位装置在所述控制装置的控制下，带动所述间歇齿轮传动组件在每次动作之前自动复位，优选的，所述复位装置可以为微动开关。通过复位装置的设置，可以保证在每次动作之前，所述间歇齿轮传动组件能够回到初始位置，保证每次动作均为一个完整的动作过程，从而进一步保证所述间歇齿轮组件动作时的精确角度定位。
所述间歇齿轮传动组件的驱动轮和传动轮均采用塑料材质，一体成型。采用塑料材质，一体成型，相较于现有技术中的马耳他十字传动装置，不仅降低了成本，且生产工艺比较简单。
所述分向阀中的分向阀组件包括同心设置的分向活动块和分向主通道块，所述分向主通道块上设置有若干通孔，所述分向活动块上设置有若干导通槽，所述分向活动块上的导通槽导通所述分向主通道块上的至少两个通孔。
所述分向主通道块上设置有若干导通槽，所述分向活动块和所述分向主通道块上的导通槽之间相互配合，导通所述分向主通道块上的至少两个通孔。具体的，所述分向阀组件上的分向活动块与所述间歇齿轮传动组件的传动轮相连，在驱动电机驱动所述间歇齿轮传动组件传动的过程中，所述分向活动块在所述传动轮的带动下旋转，使所述分向活动块上的导通槽导通所述分向主通道块上不同的通孔，从而实现不同管路的切换动作，实现饮料机多功能切换的可能性，满足现在饮料机需要制备不同饮料和执行其他如清洗等功能的要求。
本发明提供的技术方案具有以下有益效果：
1)本申请中所采用的间歇齿轮传动组件通过齿轮啮合的方式进行传动，由 于齿轮与齿轮之间啮合时接触面积大、压力小，因此在动作过程中不仅传动平稳可靠、噪音低，且在高频率使用情况下还足够耐磨，能够满足饮料机长时间工作消耗的要求；
2)本申请中的间歇齿轮传动组件的驱动轮和传动轮均采用塑料材质，一体成型，相较于现有技术中的马耳他十字传动装置，不仅降低了成本，且生产工艺也比较简单。
附图说明
为了更清楚地说明本发明具体实施例中的技术方案，下面将对实施例描述中所需要使用的附图作简单地介绍，显而易见地，下面描述的附图仅仅是本发明的一些实施例，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1为本发明提供的一种分向阀具体实施例一的整体结构分解示意图。
图2为本发明提供的一种分向阀具体实施例一的间歇齿轮传动组件的局部放大结构示意图。
图3为本发明提供的一种分向阀具体实施例一的间歇齿轮传动组件的具体驱动啮合过程的平面结构示意图。
图4为本发明提供的一种分向阀具体实施例一提供的驱动轮和传动轮动作过程中的部分过程的立体结构示意图。
图5为本发明提供的一种分向阀具体实施例一提供的分向阀组件和分水座组件的局部结构放大图。
图6为本发明提供的一种分向阀具体实施例一提供的分向阀组件的分向主通道块和分向活动块配合的平面结构示意图。其中，图6(a)为初始准备状态 时的分向主通道块和分向活动块的相对位置关系；图6(b)为泄压状态时的分向主通道块和分向活动块的相对位置关系；图6(c)为制备热牛奶/热奶沫时的分向主通道块和分向活动块的相对位置关系；图6(d)为提供热水时的分向主通道块和分向活动块的相对位置关系；图6(e)为执行奶沫器清洗时的分向主通道块和分向活动块的相对位置关系；图6(f)不执行任何功能。
图7为本发明提供的一种分向阀具体实施例二提供的间歇齿轮传动组件的立体结构示意图。
图8为本发明提供的一种分向阀具体实施例二提供的间歇齿轮传动组件的啮合动作的平面结构示意图。
图9为本发明提供的一种分向阀具体实施例三提供的间歇齿轮传动组件的驱动轮和传动轮的结构示意图。
图10为本发明提供的一种分向阀具体实施例四提供的间歇齿轮传动组件的驱动轮和传动轮的结构示意图。
具体实施方式
下面将对本发明具体实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅是本发明的一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
具体实施例一
本实施例提供了一种分向阀，包括分向阀组件、分向阀传动组件、驱动电机及控制所述驱动电机的控制装置，所述驱动电机在所述控制装置的控制下驱动所述分向阀传动组件传动，进而带动所述分向阀组件逐步定位，其特征在于，所述 分向阀传动组件为间歇齿轮传动组件，所述间歇齿轮传动组件在所述驱动电机的驱动下，每传动至少一次，控制装置就会控制所述驱动电机停止驱动。
所述间歇齿轮传动组件包括相互啮合的驱动轮和传动轮，所述驱动轮与驱动组件连接，所述传动轮与分向阀组件连接，所述驱动电机每驱动至少一次，所述驱动轮就带动所述传动轮转动一定角度，所述传动轮在转动时带动所述分向阀组件转动，从而实现所述分向阀组件的切换动作。
具体的，本实施例示例性的提供了一种分向阀，其分解结构示意图如图1所示，包括分向阀本体1，依次设置在所述分向阀本体1一侧的间歇齿轮传动组件2和驱动组件3，以及依次设置在所述分向阀本体1另一侧的分向阀组件4和分水座组件5；所述分向阀本体1上设置有一个容纳槽11，所述间歇齿轮传动组件2的部分与所述分向阀组件4的部分在所述容纳槽11中实现彼此之间的连接；此外，本实施例中的分向阀还包括控制所述驱动组件3的控制装置(图中未示出)，所述驱动组件3可在所述控制装置的控制下驱动所述间歇齿轮传动组件2传动，进而带动所述分向阀组件2逐步定位，实现分向阀组件2的切换动作；本实施例中的驱动组件3每驱动一次，所述控制装置就会控制所述驱动组件3停止驱动。
具体如图1中所示，在所述分向阀本体1的一侧，所述驱动组件3包括驱动电机31和与所述驱动电机31集成为一体的减速箱32，所述减速箱32上设置有输出轴33，所述输出轴33可在所述驱动电机31和减速箱32的驱动下转动。
所述间歇齿轮传动组件2包括依次设置的驱动轮21、分向轮固定座22和传动轮23，所述驱动轮21和所述传动轮23相互啮合。
所述驱动轮21的部分弧面上设置有若干驱动齿区，未设置驱动齿区的弧面上设置有盘形凸台区，一个驱动齿区和一个盘形凸台区为一驱动组；所述传动轮 上设有若干组传动齿组，每一组传动齿组与其驱动齿组相匹配；驱动电机31每驱动至少一次，驱动轮21上驱动齿区的驱动齿就带动传动轮23上的传动齿组传动。
具体的，本实施例中给出一种优选方案，该优选方案中的所述驱动轮21和所述传动轮23的局部放大图如图2所示，所述驱动轮21上的驱动齿区为一个，所述驱动齿区内的驱动齿也为一个212，所述盘形凸台区213围绕剩余非驱动齿区区域。
更为具体的，本实施例中所述驱动轮21上的盘形凸台区213的高度低于所述驱动齿区驱动齿212的高度，相对应的，所述传动轮23上设有多组传动齿组中，每组传动齿组包括长齿231、与所述驱动齿212相啮合的短齿230、以及止动凹槽。详细而言，如图2中所示，本实施例中的所述驱动轮21包括基座210、设置在所述基座210底部的驱动轴211、以及设置在所述基座210上的驱动齿212和围绕所述驱动齿212、高度低于所述驱动齿212的盘型凸台区213，所述基座210底部的驱动轴211与所述减速箱32上的输出轴33连接，并可在所述输出轴33的带动下旋转进而带动所述驱动轮21整体旋转；所述分向轮固定座22上设置有用于容纳所述驱动轮21的通孔220和供所述传动轮23安装的支撑轴221，所述驱动轮21上的驱动齿212和围绕所述驱动齿212的盘型凸台区213穿过所述通孔220到达另一侧，与所述传动轮23啮合，所述传动轮23套设在所述分向轮固定座22的支撑轴221上；所述传动轮23上间歇设置有短齿230和长齿231，每一个短齿230和一个长齿231为一组传动齿组，每相邻两个长齿及其中间的短齿之间限定的空间形成为止动凹槽，本实施例中的所述短齿230的齿宽为所述长齿齿宽231的一半，本发明不限于此，即所述短齿230和所述长齿231的齿宽比 例也可以是其他比例，只需要保证所述驱动轮21上的驱动齿212能够拨动到所述传动轮23上的短齿230、所述盘形凸台区213能够卡和到所述止动凹槽内即可；所述传动轮23通过所述短齿230和长齿231与所述驱动轮21上的驱动齿211和盘型凸台区213啮合，实现间歇传动。
所述间歇齿轮传动组件2的具体动作过程的平面示意图具体如图3所示，初始状态时，所述驱动轮21与所述传动轮23的相对位置如图(3a)所示，此时所述驱动轮21上的驱动齿212位于所述传动轮23的一个短齿230a及其下一个长齿231b之间；当驱动电机31开始驱动后，在一个驱动周期内，所述驱动组件3上的输出轴33带动所述驱动轮21上的驱动齿212拨动所述传动轮23上的所述短齿230a向前，具体如图(3b)所示；此时所述盘形凸台区213开始啮合进入所述长齿231a与下一组短齿230b和长齿231b所形成的止动凹槽内，在所述盘形凸台区213啮合的过程中，所述盘形凸台区213能够带动长齿231a向前行进一端距离，直至所述盘形凸台区213的前端部分完全进入止动凹槽内，此时对所述传动轮23进行止动，在止动过程中，所述驱动轮21上的驱动齿212继续空转直至回到初始状态的位置，空转过程具体如图(3c)所示。
此外，为进一步表明本实施例中的驱动轮21和传动轮23的动作过程，图4给出了两者啮合过程的立体结构示意图，其中，图(4a)示出了所述驱动轮21和所述传动轮23的初始位置的立体结构示意图，其对应于图(3a)的平面示意图，图(4b)示出了所述驱动轮21在驱动完一组传动齿组230a和231a后，所述盘形凸台区213卡合在所述长齿231a和下一组传动齿组230b和231b形成的止动凹槽内的结构示意图，其对应于图(3c)的平面示意图。
本实施例中的所述间歇齿轮传动组件2中的所述驱动轮21和所述传动轮23 均选用塑料材质，两者均为一体成型结构，其相较于现有技术中的马耳他十字传动装置的在塑料底座上集成金属驱动销的结构设计，不仅降低了成本，且生产工艺也比较简单，而且结构稳定性也有所提高。
在本实施例中，如图1所示，所述分向阀本体1的另一侧设置的分向阀组件4和分水座组件5通过所述分向阀本体1上的容纳槽11与所述间歇齿轮传动组件2实现彼此之间的连接；具体的，所述间歇齿轮传动组件2的传动轮23的部分伸入所述分向阀本体1的容纳槽11中，所述传动轮23伸入所述容纳槽11的部分上设置有两个固定耳232，用于与所述分向阀组件4配合连接。
具体的，图5中示出了位于所述分向阀本体1另一侧的分向阀组件4和分水座组件5的局部结构放大图，位于所述分向阀本体1另一侧的分向阀组件4包括依次设置的分向块底座41、分向活动块42、分向主通道块43及弹性密封连接件44，且所述分向块底座41、分向活动块42、分向主通道块43依次放置在所述分向阀本体1的容纳槽11中，所述分向阀组件的分向主通道块43和所述分向活动块42同心设置，所述分向主通道块43上设置有若干通孔，所述分向活动块42上设置有若干导通槽，所述分向活动块42上的导通槽导通所述分向主通道块43上的至少两个通孔；所述分向主通道块43上设置有弹性密封连接件44，所述弹性密封连接件44上对应设置有与所述分向主通道块43上相对应的通孔，所述分向主通道块43通过所述弹性密封连接件44实现与所述分水座组件5的密封连接。
作为一种优选的技术方案，在本实施例中，所述分向块底座41为陶瓷圆环，其圆环外周设置有定位凸起410，所述定位凸起410与所述分向阀本体1的容纳槽11的槽内形状相配合，在安装时便于定位安装，所述分向活动块设置在所述陶瓷圆环上；所述分向活动块42为圆形陶瓷分向活动块，其朝向所述分向主通 道块43的一面开设有一弧形导通槽，另一面上开设有与所述传动轮23上的两个固定耳232相对应的两个凹槽(图中未示出)，所述传动轮23上的两个固定耳232插入所述两个凹槽内，从而实现在传动轮23转动时带动所述分向阀组件4上的分向活动块42旋转的目的；所述分向主通道块43为圆形陶瓷分向主通道块，具体如图6中所示，其设置在所述分向活动块42上，且所述分向主通道块43上呈环形均匀设置有六个通孔，所述分向活动块42上的弧形导通槽L1可实现所述分向主通道块43上任意相邻两个通孔的导通，本实施例中所述分向主通道块43上的六个通孔的排布按逆时针顺序依次为蒸汽泄压口H1、蒸汽进口H2、蒸汽出口H3、奶沫器清洗出口H4、热水进口H5和热水出口H6；相对应的，本实施例中所述弹性密封连接44上呈环形设置有六个通孔，所述分向主通道块43通过所述弹性密封连接件44实现与所述分水座组件5的密封连接。
所述分水座组件5如图5中所示，包括若干条流通管路，所述若干条流通管路与所述分向主通道块43上的若干通孔分别对应，在连接时，所述若干流通管道的一端与所述分向主通道块43上的若干通孔分别对应连接，另一端与饮料机例如咖啡机内的功能单元连接，所述功能单元例如可以为蒸汽发生器、热水发生器、奶沫器及其他功能性出口喷嘴等；具体的，本实施例中的所述分水座组件5上设置有六条流通管路，所述六条流通管路的一端与所述分向主通道块上的六个通孔导通连接，另一端与咖啡机内的功能单元导通连接，本实施例中的所述分水座上提供的六条流通管路分别为蒸汽泄压口管路M1、蒸汽进口管路M2、蒸汽出口管路M3、奶沫清洗出口管路M4、热水进口管路M5和热水出口管路M6，上述六条流通管路的一端分别连接到所述分向主通道块上的六个通孔上，另一端分别与蒸汽泄压喷嘴、蒸汽发生器、蒸汽出口喷嘴、奶沫器、热水发生器和热水 出口喷嘴连接。
本实施例中的所述分向阀组件4和所述分水座组件5的连接关系所采用的基本思想为，通过分向活动块42上的导通槽来实现所述分向主通道块43上多个通孔的导通，由于所述分向主通道块43上的通孔与所述分水座组件5上的各流通管路连接，则所述分向主通道块43上导通的多个通孔所对应的多条流通管路也相应实现导通，可以理解的，基于上述基本思想，所述分向活动块42上的导通槽可以通过改变其长度、形状、宽度等形式，达到导通所述分向主通道块43上任意多个通孔的目的，以此实现所述分水座组件5上任意个流通管路的导通，其具体导通多少条流通管路视实际需求来定。
本实施例所提供的分向阀组件4和所述分水座组件5的具体工作过程如图6(a)至6(f)中所示，初始准备状态时，如图6(a)中所示，所述分向阀组件4中的分向活动块42上的弧形导通槽L1连通分向主通道块43上的蒸汽泄压口H1和热水出口H6两个通孔，此时所述分水座组件5上的蒸汽泄压管路M1和所述热水出口管路M6导通，使得两条管路两端连接的蒸汽泄压喷嘴和热水出口喷嘴导通连接，此时由于这两个喷嘴均与大气导通，即此时导通管路不具备任何功能；开始工作后，若需要进行泄压动作，如图6(b)中所示，所述驱动电机31驱动一次，驱动所述驱动轮21上的长驱动齿212和盘型凸台区213带动所述传动轮23上的一个短齿230和一个长齿231转动，从而带动所述分向活动块42的旋转逆时针旋转60°，所述分向活动块42上的弧形导通槽L1切换至下一组相邻的通孔上，即蒸汽泄压口H1和蒸汽进口H2两个通孔，此时所述分水座组件5上的蒸汽泄压口管路M1和蒸汽进口管路M2导通，从而将蒸汽进口管路M2一端连接的蒸汽发生器中的蒸汽通过所述蒸汽泄压管路M1一端连接的蒸汽 泄压喷嘴释放到大气中，实现泄压功能；若要实现制备热牛奶和/或热奶沫时，如图6(c)中所示，所述驱动电机31从初始状态下驱动两次，所述分向活动块逆时针转动120°，所述分向活动块42上的弧形导通槽L1导通所述分向主通道块43上的蒸汽进口H2和蒸汽出口H3，此时所述分水座组件5上的蒸汽进口管路M2和蒸汽出口管路M3导通，从而将所述蒸汽进口管路M2一端的蒸汽发生器中的蒸汽送到所述蒸汽出口管路M3一端的蒸汽出口喷嘴处，利用蒸汽对牛奶和/或奶沫进行加热；以此类推，若要实现输送热水时，如图6(d)中所示，所述驱动电机31驱动五次，所述分向活动块42由初始准备位置逆时针旋转300°，所述分向主通道块43上的热水进口H5和热水出口H6导通，此时所述分水座组件5上的所述热水进口管路M5和所述热水出口管路M6导通，从而将所述热水进口管路M5一端连接的热水发生器和所述热水出口管路M6一端连接的热水出口喷嘴导通连接，将热水发生器中的热水从热水出口喷嘴处输出；在执行奶沫器清洗动作时，如图6(e)中所示，所述分向活动块42上的导通槽L1导通所述分向主通道块43上的奶沫清洗出口H4和热水进口H5，此时所述分水座组件5上的奶沫清洗管路M4和热水进口管路M5导通，从而将所述热水进口管路M5一端连接的热水发生器中的热水输送至所述奶沫清洗出口管路M4一端连接的奶沫器中，对奶沫器进行冲洗；通过本实施例中的分向阀和分水座的配合，可以实现六个管路中的不同功能管路的连通切换，实现热牛奶、热奶沫、热水、奶沫清洗的功能。
此外，本实施例中的所述分向阀还包括复位装置，所述复位装置在控制装置的控制下，带动所述间歇齿轮组件4在每次驱动之前自动复位，优选的，如图1中所示，本实施例所选用的复位装置为微动开关24，其包括240和241两个组 成部分，两个部分分别安装在所述分向轮固定座22和所述分向阀本体1上，用于保证所述间歇齿轮组件4中的所述驱动轮21和传动轮23在每次驱动之前回到初始状态的啮合位置。
可以理解的，上述驱动电机31也可以在控制装置的驱动下实现反转功能，即例如在执行输送热水操作时，可由初始位置顺时针旋转60°即可。此外，所述分向阀组件4从初始位置开始，可以在驱动电机31的驱动下依次旋转进行功能的顺序切换，也可以在驱动电机31的多次驱动下，从初始位置直接切换到所需的功能位置。
可以理解的，由于本实施例中的分向主通道块43上设置为六个等分的通孔，因此需要所述分向活动块42上的导通槽在所述间歇齿轮传动组件2的驱动下，每执行动作一次，可以实现分向活动块切换60°的要求；需要说明的是，本实施例中的分向主通道块上还可以设置为其他排布形式的通孔，所述分向活动块上的导通槽也可以根据所述分向主通道块上的通孔的排布设置有多条、且导通槽还可以通过改变其长度、形状、宽度等其他形式，达到导通所述分向主通道块上至少两个通孔的目的，与此同时，由于通孔排布方式及导通槽的改变，所述间歇齿轮每传动一次所需旋转的角度也要发生变化，本实施例中需切换至少60°，在其他可能的实施例中也可以切换其他任意角度，只需要通过调整齿轮的疏密程度即可实现。
此外，本实施例中的所述驱动轮21上的驱动齿区及其区域内的驱动齿212只有一个，本发明不局限于此，即，可以根据实际所要切换的角度需要，本发明中上的所述驱动轮21上驱动齿区内可设置多个驱动齿212，所述多个驱动齿连续排布，所述盘形凸台区从多个驱动齿的起止两端、围绕剩余非驱动齿区区域一 周；相对应的，所述传动轮23上每组传动齿组包括与所述多个驱动齿212相对应的多个短齿230。
具体实施例二
本实施例与具体实施例一的区别在于，本实施例中的间歇齿轮传动组件中的驱动轮和传动轮的结构和传动方式不同。
本实施例中的所述驱动轮上的盘形凸台区与所述驱动齿区的驱动齿等高，相对应的，所述传动轮上的传动齿组中，每组传动齿组包括与所述驱动齿区驱动齿相啮合的传动齿，在所述驱动轮上的驱动齿驱动完其相对应的一组传动齿组后，所述驱动齿继续空转直至回到初始位置。
具体的，如图7(a)和7(b)中所示，本实施例中的所述间歇齿轮传动组件包括驱动轮21’、分向轮固定座和传动轮23’，其中所述分向轮固定座与具体实施例一中的分向轮固定座22相同，这里不再重复描述，所述驱动轮21’包括基座210’、设置在所述基座210’底部的驱动轴211’、以及设置在所述基座210’上的驱动齿区，所述驱动齿区包括两个驱动齿212’a、212’b，围绕所述两个驱动齿一圈设置有与所述两个驱动齿等高的盘形凸台区213’，所述基座210’底部的驱动轴211’与所述驱动组件中的减速箱上的输出轴连接，并可在所述输出轴的带动下旋转进而带动所述驱动轮21’整体旋转。
本实施例中的传动轮23’上设置有形状一样、均匀分布的传动齿230’，所述传动轮23’上每两个传动齿230’为一组传动齿组，所述驱动轮21’上的两个驱动齿212’a和212’b可连续拨动所述传动轮23’上的两个传动齿，拨动完成后，由于所述传动轮23’本身具有阻尼，其可在没有驱动的状态下自动停止惯性转动，此时两个驱动齿212’a和212’b继续空转直至回到初始位置，并在下一次驱动过 程中，继续拨动所述传动轮23’上的下一组传动齿组。
为进一步说明本实施例提供的驱动轮21’和传动轮23’的传动过程，图8(a)示出了所述驱动轮21’和所述传动轮23’在初始位置的啮合状态示意图，图8(b)中示出了所述驱动轮21’上的驱动齿212’a驱动完一个传动齿、下一个驱动齿212’b准备驱动下一个传动齿的状态示意图。
可以理解的，本实施例中的两个驱动齿212’可以连续拨动所述传动轮23’上相邻的两个传动齿230’，也可以根据需要，调节相邻两个驱动齿212’之间的间隙，来拨动所述传动轮23’上间隔的两个传动齿230’，具体根据所述分向阀组件每次所要切换的角度来设定。
可以理解的，除了通过上述通过调节驱动齿212’之间的间隙来调整每次拨动所切换的角度之外，还可以通过调节所述传动轮23’上的传动齿230’的疏密度来调整切换角度，即本实施例中的所述传动轮23’上的传动齿230’为均匀排布的、且布满所述传动轮一周的传动齿，在实际设计中，所述传动轮23’上布满一周的传动齿的排布间隙可根据实际需要旋转的角度进行疏密调整，具体实施例四中给出了示例性描述，但本发明不局限于此。
同样可以理解的，所述驱动轮21’上的驱动齿212’也不仅限于本实施例中所提供的的两个驱动齿212’a、212’b，所述驱动齿212’的个数可根据实际需要的角度进行增加或减少。
所述传动轮23’上的传动齿可以按组进行间歇排布，若干个传动齿为一组，组与组之间的间歇可调，组与组之间的间隙形成止动凹槽，相对应的，所述驱动轮21’上的驱动齿的个数与上述所述的传动轮23’上的每组传动齿中的个数相对应，其示例性实施例将不再做具体描述。
具体实施例三
本实施例还提供了另外一种间歇齿轮传动组件的示例性方案。
本实施例中的所述驱动轮上的驱动齿区为多个，所述多个驱动齿区间隔排布，所述盘形凸台区间断设置在所述两个驱动齿区之间的间隔内。
具体的，如图9中所示，其与具体实施例一中的间歇齿轮传动组件中的驱动轮21有所区别，传动轮相同，本实施例中的所述驱动轮上设置有两个驱动齿区，每个驱动齿区设置有一个驱动齿，所述两个驱动齿区之间设置有两个间断的盘形凸台区；详细而言，本实施例中的所述驱动轮21”上设置有两个驱动齿212”a和212”b，所述两个驱动齿212”a和212”b呈180°夹角相对设置在所述驱动轮21”的基座上，所述两个盘形凸台区213”a和213”b间断设置在两个驱动齿的间隔内；相对应的，其驱动过程为，所述驱动轮21”每转动180°就能带动所述传动轮23”向前拨动一组传动齿组。
具体实施例四
本实施例是对具体实施例二的补充示例性说明，具体如图10所示，本实施例中所述传动轮上的齿数为16个，具体实施例二中的齿数为12个，即本实施例中传动轮每拨动一个齿数与具体实施例二中拨动一个齿数所旋转的角度不一样，也就是说，可以通过调节齿轮的疏密度来调整每次传动旋转的角度。
除上述示例性的实施例外，本发明所要保护的间歇齿轮传动组件还包括另一种可能变形的方案，所述可能变形的方案具体为：驱动轮的部分弧面上设置驱动齿区的驱动齿有多个，所述多个驱动齿的高度不相等；相对应的，所述传动轮上的传动齿组中，每组传动齿组包括与所述多个驱动齿相匹配的、高度不等的传动齿以及止动凹槽。
以上对本发明所提供的分向阀进行了详细介绍，本文中应用了具体个例对本发明的结构及工作原理进行了阐述，以上实施例的说明只是用于帮助理解本发明的方法及核心思想。应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以对本发明进行若干改进和修饰，这些改进和修饰也落入本发明权利要求保护的范围内。

Claims (14)

  1. 一种分向阀，包括分向阀组件、分向阀传动组件、驱动电机以及控制所述驱动电机的控制装置，所述驱动电机在所述控制装置的控制下驱动所述分向阀传动组件传动，进而带动所述分向阀组件逐步定位，其特征在于，所述分向阀传动组件为间歇齿轮传动组件，所述间歇齿轮传动组件在所述驱动电机的驱动下，每传动至少一次，控制装置就会控制所述驱动电机停止驱动。
  2. 根据权利要求1所述的分向阀，其特征在于，所述间歇齿轮传动组件包括相互啮合的驱动轮和传动轮，所述驱动轮与驱动电机连接，所述传动轮与分向阀组件连接，所述驱动电机在控制装置的控制下每驱动至少一次，所述驱动轮就带动所述传动轮转动一定角度，所述传动轮在转动时带动所述分向阀组件转动，完成切换动作。
  3. 根据权利要求2所述的分向阀，其特征在于，所述驱动轮的部分弧面上设有若干驱动齿区，未设置驱动齿区的弧面上设置有盘形凸台区，一个驱动齿区与一个盘形凸台区为一驱动组；所述传动轮上设有若干组传动齿组，每一组传动齿组与其驱动组相匹配；驱动电机每驱动至少一次，驱动轮上驱动齿区的驱动齿就带动所述传动轮上的传动齿组转动。
  4. 根据权利要求3所述的分向阀，其特征在于，所述驱动轮上的驱动齿区为一个，所述驱动齿区内的驱动齿为一个或多个,所述盘形凸台区围绕剩余非驱动齿区区域。
  5. 根据权利要求3所述的分向阀，其特征在于，所述驱动轮上的驱动齿区为多个，所述多个驱动齿区间隔排布，所述盘形凸台区间断设置在所述多个驱动齿区之间的间隔内。
  6. 根据权利要求3所述的分向阀，其特征在于，所述驱动齿区的驱动齿为多 个，多个驱动齿的高度不相等。
  7. 根据权利要求4或5所述的分向阀，其特征在于，所述驱动组的盘形凸台区的高度低于所述驱动齿区的驱动齿高度，相对应的，所述传动轮上的传动齿组中，每组传动齿组包括长齿、与所述驱动齿相啮合的短齿以及止动凹槽。
  8. 根据权利要求4或5所述的分向阀，其特征在于，所述驱动组的盘形凸台区与所述驱动齿区的驱动齿等高，相对应的，所述传动轮上的传动齿组中，每组传动齿组包括与所述驱动齿区的驱动齿相啮合的传动齿。
  9. 根据权利要求6所述的分向阀，其特征在于，所述传动轮上的传动齿组中，每组传动齿组包括与所述多个驱动齿相匹配的、高度不等的传动齿以及止动凹槽。
  10. 根据上述权利要求1至6、9任一所述的分向阀，其特征在于，所述分向阀中的控制装置包括存储器，所述存储器用于记录所述间歇齿轮传动组件的旋转位置信息、驱动电机的驱动次数和/或分向阀组件的位置变化。
  11. 根据权利要求10所述的分向阀，其特征在于，所述分向阀还包括复位装置，所述复位装置在所述控制装置的控制下，带动所述间歇齿轮传动组件在每次动作之前自动复位。
  12. 根据权利要求2至6任一所述的分向阀，其特征在于，所述间歇齿轮传动组件的驱动轮和传动轮均采用塑料材质，一体成型。
  13. 根据权利要求1至6任一所述的分向阀，其特征在于，所述分向阀组件包括同心设置的分向活动块和分向主通道块，所述分向主通道块上设置有若干通孔，所述分向活动块上设置有若干导通槽，所述导通槽导通所述分向主通道块上的至少两个通孔。
  14. 根据权利要求13所述的分向阀，其特征在于，所述分向主通道块上设置 有若干导通槽，所述分向活动块和所述分向主通道块上的导通槽相互配合，导通所述分向主通道块上的至少两个通孔。
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