WO2017185892A1 - 用于洗碗机的喷臂组件和具有其的洗碗机 - Google Patents

用于洗碗机的喷臂组件和具有其的洗碗机 Download PDF

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Publication number
WO2017185892A1
WO2017185892A1 PCT/CN2017/076498 CN2017076498W WO2017185892A1 WO 2017185892 A1 WO2017185892 A1 WO 2017185892A1 CN 2017076498 W CN2017076498 W CN 2017076498W WO 2017185892 A1 WO2017185892 A1 WO 2017185892A1
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WO
WIPO (PCT)
Prior art keywords
spray arm
gear
spray
auxiliary body
planetary gear
Prior art date
Application number
PCT/CN2017/076498
Other languages
English (en)
French (fr)
Inventor
黎铭峰
Original Assignee
佛山市顺德区美的洗涤电器制造有限公司
美的集团股份有限公司
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Publication date
Application filed by 佛山市顺德区美的洗涤电器制造有限公司, 美的集团股份有限公司 filed Critical 佛山市顺德区美的洗涤电器制造有限公司
Publication of WO2017185892A1 publication Critical patent/WO2017185892A1/zh

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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
    • A47L15/18—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with movably-mounted spraying devices
    • A47L15/22—Rotary spraying devices
    • A47L15/23—Rotary spraying devices moved by means of the sprays
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
    • A47L15/18—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with movably-mounted spraying devices
    • A47L15/22—Rotary spraying devices
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2601/00—Washing methods characterised by the use of a particular treatment
    • A47L2601/03—Pressurised, gaseous medium, also used for delivering of cleaning liquid

Definitions

  • the present invention relates to the field of dishwasher technology, and more particularly to a spray arm assembly for a dishwasher and a dishwasher having the same.
  • Cabinet dishwashers can be divided into 60 and 45 depending on the width and width.
  • the former is about 60 cm wide and the latter is about 45 cm wide.
  • the dishwasher is sprayed by several internal spray arms, and the tableware is continuously covered and sprayed, and combined with the reflection, splashing and flowing of water, the tableware is cleaned.
  • the 45-cabin dishwasher of the related art is narrow in width due to its width, so that the inner bowl basket area is rectangular, and the general spray arm spray area is circular, so that the front and rear of the bowl basket area Poor washing occurs at the location, and even a dead zone of washing is formed.
  • the motion characteristics of the common spray arm did not match well the 45 washing area of the rectangular machine, which seriously affected the washing effect of the dishwasher.
  • the present invention aims to solve at least one of the above technical problems to some extent.
  • the present invention provides a spray arm assembly for a dishwasher, which has a simple structure, reliable connection of various components, can form a rectangular, dead corner washing area, has a good washing effect, and has high washing efficiency. Experience is good.
  • the invention also proposes a dishwasher having the above described spray arm assembly for a dishwasher.
  • a spray arm assembly for a dishwasher includes: a spray arm seat defining a water flow passage, one end of the spray arm seat being provided to communicate with the water flow passage a water inlet, the other end of the spray arm seat is provided with a first water outlet communicating with the water flow passage; a spray arm body, the spray arm body is disposed at the other end of the spray arm seat and around the spray Rotating a central axis of the arm seat, the spray arm body defining a first inner cavity that is in communication with the first water outlet, the spray arm body including a main wing on both sides of a central axis of the spray arm seat and An aileron, the main wing and the aileron are respectively provided with a second water outlet and a third water outlet which are electrically connected to the first inner cavity; a first spray arm auxiliary body, the first spray arm auxiliary body Provided on the spray arm body, the first spray arm sub-body defines a second inner cavity that is electrically connected to the second
  • the rotation and revolving of the first spray arm auxiliary body and the second spray arm auxiliary body can be realized by providing the gear assembly, and the two spray arm sets of the spray arm assembly
  • the superposition of the washing areas of the spray holes on the body can form a rectangular, dead angle washing area.
  • the structure of the spray arm assembly is simple, the components are connected reliably, the assembly and disassembly are convenient, the rectangular washing area can be realized, the washing effect is good, and the washing efficiency is good. High, user experience is good.
  • spray arm assembly for a dishwasher may further have the following additional technical features:
  • the water flow passage extends in an axial direction of the spray arm seat, and the first water discharge port is provided on a side wall of the other end of the spray arm seat.
  • the method further includes: a first sliding ring, the spray arm seat is provided with a first sliding matching groove, and the first sliding ring is rotatably sleeved on the first sliding matching groove
  • the spray arm body is provided with a first through hole, and an outer circumference of the first through hole extends downward and is connected to the first sliding ring.
  • the method further includes: a second sliding ring, the spray arm body is provided with a first positioning shaft communicating with the second water outlet, and the first positioning shaft is provided with a second sliding
  • the second sliding ring is rotatably sleeved on the second sliding engagement groove, and one end of the rotating shaft of the first spray arm auxiliary body is provided with a second through hole, and the outer circumference of the second through hole Extending downwardly and connected to the second sliding ring, the gear assembly is connected to the second sliding ring;
  • the third sliding ring is provided with the third water outlet communicating with the third water outlet a second positioning shaft, wherein the second positioning shaft is provided with a third sliding engagement groove, the third sliding ring is rotatably sleeved on the third sliding engagement groove, and the second spray arm auxiliary body is rotated
  • One end is provided with a third through hole, and an outer circumference of the third through hole extends downward and is connected to the third sliding ring, and the gear assembly is connected to the third sliding ring
  • the gear assembly includes: a sun gear, the sun gear is provided with a positioning groove, and the other end of the spray arm seat is provided with a fitting portion, the engaging portion and the first sliding ring Connected, the mating portion extends into the positioning slot through the first through hole and is connected to the sun gear; the first gear set, the first gear set meshes with the sun gear and the first Two slip rings are coupled for actuation by the second slip ring; a second gear set that meshes with the sun gear and is coupled to the third slip ring for actuation by the third slip ring.
  • the number of gears of the first gear set is an odd number
  • the number of gears of the second gear set is an even number
  • the first gear set includes a first planet gear located outside the spray arm body, the first planet gear being coupled to the second slip ring and by the second slip ring Driving, the first planetary gear is driven by the sun gear;
  • the second gear set includes a second planetary gear located outside the spray arm body, and the second planetary gear is coupled to the third slip ring Driven by the third slip ring, the second planetary gear is driven with the sun gear.
  • the method further includes: a transmission gear, the transmission gear and the first planetary gear and the The sun gear meshes with and/or meshes with the second planet gear and the sun gear.
  • the first planetary gear and the second planetary gear have the same number of teeth.
  • the number of teeth of the sun gear and the gear ratio of the first planetary gear and the second planetary gear are 2:1.
  • the centers of the sun gear, the first planet gears, the second planet gears and the transmission gear are on the same straight line.
  • the ratio of the pitch circle radius R1 of the sun gear to the pitch circle radius R2 of the first planet gear and the second planet gear is 2:1.
  • the revolution trajectory radius R3 (2N+1)R2 of the first planetary gear
  • N is the number of transmission stages of the first gear set
  • the revolution trajectory radius of the second planetary gear R4 (2M + 1) R2
  • M is the number of transmission stages of the second gear set.
  • the first spray arm sub-body rotates in the same direction as the revolution, and the rotation speed ratio of the rotation and the revolution is 3:1.
  • the first spray arm sub-body is provided with a plurality of center collinear first injection holes, and the first injection holes are rotated and rotated by a phase difference angle of the moving trajectory. It is equal to 1/2 of the phase difference angle between the two first injection holes and the first spray arm auxiliary body connecting line.
  • the first spray arm auxiliary body includes a long arm and a short arm on both sides of a central axis of the rotating shaft of the first spray arm auxiliary body, and the long arm and the short arm respectively The first injection hole is provided.
  • a phase difference between a movement path of the first injection hole on the long arm and the first injection hole on the short arm is the long arm and the short arm 1/2 of the phase difference between.
  • the rotation of the second spray arm sub-body is opposite to the revolution direction, and the rotation speed ratio of the rotation and the revolution is 1:1.
  • the second spray arm sub-body is provided with a plurality of the second injection holes of the center collinear, and the second injection hole is at a phase difference angle of the rotation and the revolution movement trajectory. It is equal to 1/2 of the phase difference angle between the two second injection holes and the second spray arm sub-shaft connection line.
  • the movement trajectory of the second injection hole is formed substantially in an elliptical shape.
  • the second spray arm auxiliary body comprises two mutually symmetrical spray arms, and each of the spray arms is provided with the second spray holes of the same position.
  • a phase difference of a motion trajectory line of the second injection holes on the two spray arms is 1/2 of a phase difference between the two spray arms, and two The phase difference of the motion trajectory of the second injection hole on the second spray arm is equal to the angle between the two diagonal angles in the dishwasher.
  • a dishwasher according to an embodiment of the second aspect of the present invention comprising the spray arm set for a dishwasher according to the above embodiment Pieces.
  • FIG. 1 is a perspective view of a spray arm assembly for a dishwasher in accordance with an embodiment of the present invention
  • Figure 2 is a partial cross-sectional view of the structure shown in Figure 1;
  • Figure 3 is an exploded view of the structure shown in Figure 1;
  • Figure 4 is a schematic view showing the structure of the spray arm holder of the structure shown in Figure 1;
  • Figure 5 is a schematic view showing the structure of the spray arm body of the structure shown in Figure 1;
  • Figure 6 is a schematic view showing the structure of the first spray arm auxiliary body of the structure shown in Figure 1;
  • Figure 7 is a schematic view showing the structure of the second spray arm auxiliary body of the structure shown in Figure 1;
  • Figure 8 is a structural schematic view showing the meshing relationship of the gear assembly shown in Figure 1;
  • Figure 9 is a simplified schematic view of the structure shown in Figure 1;
  • Figure 10 is a schematic view of the washing area of the long arm of the first spray arm sub-body of the structure shown in Figure 1;
  • Figure 11 is a schematic view of the washing region of the short arm of the first spray arm sub-body of the structure shown in Figure 1;
  • Figure 12 is a schematic illustration of the washing zone of the second spray arm sub-body of the structure shown in Figure 1;
  • Fig. 13 is a schematic view showing a superimposed washing area of the first spray arm sub-body and the second spray arm auxiliary body of the structure shown in Fig. 1.
  • 10A spray arm seat
  • 101A water flow passage
  • 102A water inlet
  • 103A first water outlet
  • 104A first sliding fit groove
  • 11A mating portion
  • 20A spray arm body; 201A: first inner cavity; 202A: first through hole;
  • 21A main wing; 210A: second water outlet; 211A: first positioning shaft; 212A: second sliding engagement groove;
  • 22A aileron; 220A: third outlet; 221A: second positioning shaft; 222A: third sliding engagement groove;
  • 30A first spray arm auxiliary body; 301A: second inner cavity; 302A: first injection hole; 303A: second through hole;
  • 40A second spray arm auxiliary body; 401A: third inner cavity; 402A: second injection hole; 403A: third through hole;
  • 51A center gear
  • 511A positioning groove
  • 52A first gear set
  • 521A first planetary gear
  • 53A second gear set
  • 531A second planetary gear
  • 532A transmission gear
  • 61A a first slip ring
  • 62A a second slip ring
  • a spray arm assembly 100A for a dishwasher according to an embodiment of the first aspect of the present invention will be specifically described below with reference to FIGS. 1 through 13.
  • a spray arm assembly 100A for a dishwasher includes a spray arm holder 10A, a spray arm main body 20A, a first spray arm auxiliary body 30A, and a second spray arm auxiliary body. 40A and gear assembly 50A.
  • the spray arm holder 10A defines a water flow passage 101A, one end of which is provided with a water inlet 102A communicating with the water flow passage 101A, and the other end of the spray arm seat 10A is provided with a first flow communicating with the water flow passage 101A.
  • the nozzle body 20A is disposed at the other end of the spray arm holder 10A and rotates about the central axis of the spray arm holder 10A.
  • the spray arm body 20A defines a first inner chamber 201A that is electrically connected to the first water outlet 103A.
  • the arm main body 20A includes a main wing 21A and an aileron 22A on both sides of the central axis of the spray arm holder 10A, and the main air outlet 21A and the aileron 22A are respectively provided with a second water outlet 210A and a third outlet which are electrically connected to the first inner chamber 201A.
  • Nozzle 220A is provided on the main wing 21A and an aileron 22A on both sides of the central axis of the spray arm holder 10A, and the main air outlet 21A and the aileron 22A are respectively provided with a second water outlet 210A and a third outlet which are electrically connected to the first inner chamber 201A.
  • Nozzle 220A Nozzle 220A.
  • the spray arm assembly 100A for a dishwasher is mainly composed of a spray arm holder 10A, a spray arm main body 20A, a first spray arm auxiliary body 30A, a second spray arm auxiliary body 40A, and a gear assembly 50A.
  • the spray arm holder 10A is formed in a columnar shape extending in the vertical direction (up and down direction as shown in FIG. 4), and the spray arm holder 10A defines a water flow passage 101A extending in the axial direction thereof.
  • the first end of the spray arm holder 10A (the lower end shown in FIG.
  • the spray arm main body 20A forms a long plate member disposed on a horizontal surface, and the spray arm main body 20A and the spray The second end of the arm base 10A is connected and rotatable about a central axis of the spray arm holder 10A, wherein the spray arm main body 20A defines a first inner chamber 201A extending along the longitudinal direction thereof and electrically connected to the water flow passage 101A, and the spray arm
  • the main body 20A is located on the side of the center axis of the spray arm holder 10A as the main wing 21A, and the other side of the spray arm main body 20A on the center axis of the spray arm holder 10A is the aileron 22A, and the center of the main wing 21A is away from the center of the spray arm holder 10A.
  • a second water outlet 210A that is electrically connected to the first inner chamber 201A is disposed at one end of the axis, and a third end of the aileron 22A that is away from the central axis of the spray arm holder 10A is provided with a third outlet that is electrically connected to the second inner chamber 301A.
  • Nozzle 220A is provided at one end of the axis, and a third end of the aileron 22A that is away from the central axis of the spray arm holder 10A is provided with a third outlet that is electrically connected to the second inner chamber 301A.
  • first spray arm auxiliary body 30A is disposed on the spray arm main body 20A, and the first spray arm auxiliary body 30A defines a second inner cavity 301A that is electrically connected to the second water discharge port 210A, and the first spray arm auxiliary body 30A
  • the first spray arm sub-body shaft 33A and the first spray hole 302A connected to the second inner chamber 301A are disposed, and the first spray arm auxiliary body 30A is rotatable about a central axis of the first spray arm auxiliary body shaft 33A.
  • the second spray arm sub-body 40A is disposed on the spray arm main body 20A, the second spray arm auxiliary body 40A defines a third internal cavity 401A that is electrically connected to the third water discharge port 220A, and the second spray arm auxiliary body 40A is provided with a third spray arm body 40A.
  • the second spray arm auxiliary body shaft 42A and the second injection hole 402A which is electrically connected to the second inner cavity 301A, the second spray arm auxiliary body 40A is rotatable about the central axis of the second spray arm auxiliary body rotary shaft 42A, and the first injection hole 302A
  • the movement track of the second injection hole 402A superimposes to define a substantially rectangular washing area
  • the gear assembly 50A is coupled to the spray arm main body 20A, the first spray arm auxiliary body 30A and the second spray arm auxiliary body 40A to drive the spray arm main body 20A.
  • the spray arm auxiliary body rotates.
  • the first spray arm sub-body 30A is rotatably provided on the main wing 21A of the spray arm main body 20A, and the first spray arm auxiliary body 30A is formed in a strip shape arranged on a horizontal surface.
  • the lower surface of the first spray arm sub-body 30A is provided with a first spray arm auxiliary body shaft 33A connected to the main wing 21A, and the first spray arm auxiliary body 30A is rotatable about a central axis of the first spray arm auxiliary body rotating shaft 33A.
  • the spray arm auxiliary body 30A defines a second inner cavity 301A extending along the longitudinal direction thereof and communicating with the second water outlet 210A.
  • the upper surface of the second spray arm auxiliary body 40A is provided with a plurality of spaced apart intervals along the longitudinal direction thereof.
  • the first injection hole 302A that is electrically connected to the second inner cavity 301A.
  • the second spray arm sub-body 40A is rotatably provided on the aileron 22A of the spray arm main body 20A, and the second spray arm auxiliary body 40A is formed substantially in a strip shape disposed on a horizontal surface.
  • the lower surface of the second spray arm sub-body 40A is provided with a second spray arm auxiliary body shaft 42A, and the second spray arm auxiliary body 40A is rotatable about a central axis of the second spray arm auxiliary body rotary shaft 42A, and the second spray arm auxiliary body 40A is disposed.
  • a third inner cavity 401A extending along a length thereof and communicating with the third water outlet 220A is defined, and an upper surface of the second spray arm auxiliary body 40A is provided with a plurality of spaced apart intervals along the length thereof and the third inner cavity 401A
  • the second injection hole 402A is turned on.
  • the wash water sequentially enters the water flow passage 101A of the spray arm holder 10A, the first inner chamber 201A of the spray arm main body 20A from the water inlet 102A of the spray arm holder 10A, and then from the second water outlet 210A and the first
  • the three water outlets 220A flow out of the spray arm main body 20A, and enter the second inner cavity 301A of the first spray arm auxiliary body 30A and the third inner cavity 401A of the second spray arm auxiliary body 40A in two ways, and finally from the first spray arm.
  • the plurality of first injection holes 302A on the sub-body 30A and the plurality of second injection holes 402A on the second spray arm sub-body 40A are ejected, and under the reverse force of the ejected wash water, the first spray arm pair
  • the body 30A and the second spray arm sub-body 40A are respectively rotated about a central axis of the rotating shaft at their corresponding positions, and at the same time, in the gear assembly Under the transmission of 50A, the spray arm main body 20A is rotated about the central axis of the spray arm holder 10A, so that the washing area of the wash water sprayed from the first spray hole 302A and the second spray hole 402A is superposed substantially in a rectangular shape.
  • the spray arm assembly 100A for a dishwasher by providing the gear assembly 50A, the rotation and revolution of the first spray arm sub-body 30A and the second spray arm auxiliary body 40A can be realized.
  • the superposition of the washing areas of the injection holes on the two spray arm sub-assemblies of the assembly 100A can form a rectangular, dead-angled washing area.
  • the structure of the spray arm assembly 100A is simple, the components are connected reliably, and the assembly and disassembly are convenient, and the rectangular shape can be realized.
  • the washing area has good washing effect, high washing efficiency and good user experience.
  • the water flow passage 101A extends in the axial direction of the spray arm holder 10A (up and down direction as shown in FIG. 2), and the first water outlet 103A is provided on the side of the other end of the spray arm holder 10A.
  • the outer side wall of the first end (the upper end shown in Fig. 2) of the spray arm holder 10A is provided with a first water outlet 103A which is electrically connected to the water flow passage 101A, and the first water outlet 103A is along the spray arm seat 10A.
  • the side wall extends circumferentially, the spray arm main body 20A is connected to the first end of the spray arm holder 10A, and the first water discharge port 103A of the spray arm holder 10A is electrically connected to the first inner chamber 201A of the spray arm main body 20A.
  • the spray arm assembly 100A further includes a first sliding ring 61A.
  • the spray arm base 10A is provided with a first sliding engagement groove 104A.
  • the first sliding ring 61A is rotatably sleeved on the first sliding engagement groove 104A.
  • the first through hole 202A is provided in the 20A, and the outer circumference of the first through hole 202A extends downward and is connected to the first sliding ring 61A.
  • the outer side wall of the first end of the spray arm holder 10A (the upper end shown in FIG. 4) is provided with a first sliding engagement groove 104A that is not electrically connected to the water flow passage 101A.
  • a sliding engagement groove 104A forms an annular shape extending in the circumferential direction of the spray arm holder 10A, and the first sliding engagement groove 104A is located below the first water outlet 103A, and the first sliding ring 61A is sleeved on the upper end of the spray arm holder 10A and The inner ring of a sliding ring 61A cooperates with the first sliding engagement groove 104A on the spray arm holder 10A.
  • the lower surface of the spray arm main body 20A is provided with a first through hole 202A that is electrically connected to the first inner cavity 201A.
  • the spray arm seat 10A The upper end is inserted into the first inner cavity 201A of the spray arm holder 10A through the first through hole 202A and is engaged with the upper surface of the spray arm main body 20A, and the outer peripheral edge of the spray arm main body 20A adjacent to the first through hole 202A It is bent outward to fit the first slip ring 61A.
  • the fixed connection of the spray arm main body 20A and the first sliding ring 61A can be realized, and the spray arm can be realized.
  • the pivotal connection between the seat 10A and the spray arm main body 20A ensures that the spray arm main body 20A can rotate about the central axis of the spray arm base 10A, thereby realizing the revolution of the first spray arm auxiliary body 30A and the second spray arm auxiliary body 40A. Thereby a rectangular, dead-angled wash area of the spray arm assembly 100A is achieved.
  • the spray arm assembly 100A further includes a second sliding ring 62A and a third sliding ring 63A.
  • the spray arm main body 20A is provided with a first positioning shaft 211A communicating with the second water outlet 210A, and the first positioning shaft 211A is provided with a second sliding Fit slot 212A, second slide
  • the movable ring 62A is rotatably sleeved on the second sliding engagement groove 212A.
  • One end of the first spray arm auxiliary body shaft 33A is provided with a second through hole 303A.
  • the outer circumference of the second through hole 303A extends downward and is second.
  • the slip ring 62A is coupled, and the gear assembly 50A is coupled to the second slip ring 62A.
  • the spray arm main body 20A is provided with a second positioning shaft 221A communicating with the third water outlet 220A, and the second positioning shaft 221A is provided with a third sliding engagement groove 222A, and the third sliding ring 63A is rotatably sleeved on the second sliding shaft 63A.
  • the third sliding engagement groove 222A is provided with a third through hole 403A at one end of the second spray arm auxiliary body rotating shaft 42A. The outer periphery of the third through hole 403A extends downward and is connected to the third sliding ring 63A.
  • the gear assembly 50A and The third slip ring 63A is connected.
  • the spray arm assembly 100A for a dishwasher is mainly composed of a spray arm holder 10A, a spray arm main body 20A, a first spray arm auxiliary body 30A, a second spray arm auxiliary body 40A, a gear assembly 50A, and a first slide.
  • the ring 61A, the second slip ring 62A and the third slip ring 63A are composed.
  • the side wall of the upper end of the spray arm holder 10A is provided with a first sliding engagement groove 104A extending along the circumferential direction thereof, and the upper surfaces of both ends of the spray arm main body 20A are respectively provided with the first extending along the axial direction of the spray arm holder 10A.
  • the positioning shaft 211A and the second positioning shaft 221A, the side wall of the first positioning shaft 211A is provided with a second sliding engagement groove 212A extending along the circumferential direction thereof, and the side wall of the second positioning shaft 221A is provided with a section extending along the circumferential direction thereof.
  • the first sliding ring 61A is sleeved on the spray arm holder 10A, and the inner ring of the first sliding ring 61A is pivotally engaged with the first sliding engagement groove 104A of the spray arm holder 10A.
  • the second sliding ring is slidably engaged with the first sliding ring 61A.
  • the third sliding ring 63A is sleeved on the first positioning shaft 211A of the spray arm main body 20A and the inner ring of the second sliding ring 62A is pivotally engaged with the second sliding engagement groove 212A on the first positioning shaft 211A, and the third sliding ring 63A is sleeved.
  • the inner ring of the third slide ring 63A is disposed on the second positioning shaft 221A of the spray arm main body 20A and the third slide engagement groove 222A on the second positioning shaft 221A is pivotally engaged.
  • One end of the first spray arm auxiliary body shaft 33A is provided with a second through hole 303A that is electrically connected to the second inner cavity 301A, and one end of the second spray arm auxiliary body rotating shaft 42A is provided to be electrically connected to the third inner cavity 401A.
  • the third through hole 403A, the first positioning shaft 211A on the spray arm main body 20A passes through the second through hole 303A and protrudes into the second through hole 303A of the first spray arm auxiliary body shaft 33A, and the first positioning shaft 211A
  • the outer ring of the second sliding ring 62A is fixedly coupled to the first spray arm auxiliary body shaft 33A, so that the first spray arm auxiliary body 30A and the second slide ring 62A can be rotated about the central axis of the first positioning shaft 211A, and the spray arm main body 20A
  • the upper second positioning shaft 221A passes through the third through hole 403A and extends into the third through hole 403A of the second spray arm auxiliary body rotating shaft 42A, and the outer ring and the second outer ring of the third sliding ring 63A on the second positioning shaft 221A
  • the boom secondary shaft 42A is fixedly coupled such that the second boom sub-body 40A and the third slip ring 63A are rotatable about a central
  • the outer circumference of the spray arm main body 20A adjacent to the first through hole 202A extends downward and is bent to be coupled to the first slide ring 61A, and the outer circumference of the first spray arm auxiliary body 30A adjacent to the second through hole 303A.
  • the outer circumference of the second spray arm sub-body 40A adjacent to the third through hole 403A extends downward and is bent to be engaged with the third sliding ring 63A. Connected.
  • the gear assembly 50A is coupled to the first slip ring 61A, the second slip ring 62A, and the third slip ring 63A, respectively, and the first spray arm sub-body 30A and the second spray arm sub-body 40A are ejected when the spray arm assembly 100A is in operation.
  • the reverse driving of the washing water starts to rotate, and then the driving of the gear arm main body 20A is rotated about the central axis of the spray arm holder 10A by the transmission of the gear assembly 50A.
  • the second sliding engagement groove 212A and the third sliding engagement groove that are engaged with the second slide ring 62A and the third slide ring 63A are provided on the first positioning shaft 211A and the second positioning shaft 221A on the spray arm main body 20A.
  • the pivotal connection between the first spray arm auxiliary body 30A and the first positioning shaft 211A, the second spray arm auxiliary body 40A and the second positioning shaft 221A can be realized, and the first spray arm auxiliary body 30A and the second spray arm can be ensured.
  • the secondary body 40A is rotatable about its corresponding central axis of rotation to effect rotation of the first spray arm sub-body 30A and the second spray arm sub-body 40A, thereby achieving a rectangular, dead-angled wash area of the spray arm assembly 100A.
  • the gear assembly 50A includes a sun gear 51A, a first gear set 52A, and a second gear set 53A.
  • the sun gear 51A is provided with a positioning groove 511A
  • the other end of the spray arm seat 10A is provided with a fitting portion 11A.
  • the engaging portion 11A is connected to the first sliding ring 61A, and the engaging portion 11A extends through the first through hole 202A.
  • the groove 511A is connected to the sun gear 51A, the first gear set 52A is meshed with the sun gear 51A and is coupled to the second slip ring 62A for driving by the second slip ring 62A, and the second gear set 53A is meshed with the sun gear 51A and the third.
  • the slip ring 63A is connected to be driven by the third slip ring 63A.
  • the gear assembly 50A of the spray arm assembly 100A is mainly composed of a sun gear 51A, a first gear set 52A, and a second gear set 53A, wherein the first end of the spray arm mount 10A (the upper end shown in FIG. 2) extends The upper surface of the spray arm main body 20A is sleeved on the upper end of the spray arm base 10A and is engaged with the upper end of the spray arm base 10A.
  • the central portion of the central gear 51A is provided with a positioning groove 511A, and the spray arm seat 10A
  • the first end of the spray arm base 10A protrudes from the upper surface of the spray arm main body 20A and is engaged with the positioning groove 511A of the sun gear 51A, and the first end of the spray arm base 10A is provided.
  • the sliding engagement groove 104A is pivotally coupled to the first slide ring 61A located below the spray arm body 20A.
  • the sun gear 51A is mounted on the top of the spray arm holder 10A, and both can be fixedly connected by the spline fitting portion 11A.
  • the first gear set 52A is disposed below the first spray arm sub-body 30A and is fixedly coupled to the second slide ring 62A on the first spray arm auxiliary body 30A, and the first spray arm auxiliary body 30A is wound around the first spray head main body 20A.
  • the first gear set 52A can be rotated, and the second gear set 53A is disposed below the second spray arm auxiliary body 40A and with the third sliding ring 63A on the second spray arm auxiliary body 40A.
  • the second gear set 53A can be driven to rotate, and both mesh with the sun gear 51A, and then
  • the sun gear 51A is fixedly disposed with respect to the horizontal plane such that the first gear set 52A and the second gear set 53A are respectively rotated in the circumferential direction of the sun gear 51A, thereby realizing the rotation of the spray arm main body 20A about the central axis of the spray arm seat 10A.
  • the number of gears of the first gear set 52A is an odd number
  • the number of gears of the second gear set 53A is an even number.
  • the first gear set 52A includes a first one located outside the spray arm main body 20A.
  • the planetary gear 521A, the first planetary gear 521A is coupled to the second slip ring 62A and is driven by the second slip ring 62A, the first planetary gear 521A is driven by the sun gear 51A, and the second gear set 53A includes the outer side of the spray arm main body 20A.
  • the second planetary gear 531A, the second planetary gear 531A is connected to the third slip ring 63A and is driven by the third slip ring 63A, and the second planetary gear 531A is driven by the sun gear 51A.
  • the first gear set 52A is composed of a single-stage gear, such as one stage and three stages, wherein the outermost planetary gear is the first planetary gear 521A, and the first planetary gear 521A passes the second slip ring 62A and the first spray.
  • the arm sub-body 30A is integrally connected.
  • the second gear set 53A is composed of a double-numbered gear, for example, two and four stages, wherein the outermost one is the second planetary gear 531A, and the second planetary gear 531A passes through the third sliding ring 63A and the second spray arm auxiliary body. 40A is connected as one. Except for the first planetary gear 521A and the second planetary gear 531A, the other planetary gears are the transmission gear 532A.
  • the spray arm main body 20A serves as a carrier of the first planetary gear 521A and the second planetary gear 531A, and as the first planetary gear 521A and the second planetary gear 531A rotate, the spray arm main body 20A together with the two planetary gears surrounds the spray arm seat The 10A central axis revolves.
  • the first planetary gear 521A is sleeved on the outer side of the second sliding ring 62A and is coupled to the second sliding ring 62A
  • the first spray arm auxiliary body 30A is coupled to the outer ring of the second sliding ring 62A.
  • the second sliding ring 62A is sleeved on the first positioning shaft 211A of the spray arm main body 20A and can be aligned with the first planetary gear 521A and the first spray arm auxiliary body 30A.
  • the central axis of the shaft 211A is rotated; the second planetary gear 531A is sleeved on the outer side of the third sliding ring 63A and is in snap-fit connection with the third sliding ring 63A, and the outer circumference of the second spray arm auxiliary body 40A and the third sliding ring 63A
  • the card is connected to drive the third sliding ring 63A to rotate together.
  • the third sliding ring 63A is sleeved on the second positioning shaft 221A of the spray arm main body 20A and can be combined with the second planetary gear 531A and the second spray arm auxiliary body 40A.
  • the sun gear 51A is disposed between the first planetary gear 521A and the second planetary gear 531A and is fixedly coupled to the first end of the spray arm holder 10A.
  • the first spray arm sub-body 30A and the second spray arm auxiliary body 40A start to rotate under the reverse drive of the sprayed wash water, that is, the first spray arm auxiliary body 30A is wound around the first positioning shaft.
  • the central axis of the 211A is rotated, and the second spray arm sub-body 40A is rotated about the central axis of the second positioning shaft 221A.
  • the first spray arm auxiliary body 30A and the second spray arm auxiliary body 40A respectively drive the first planetary gear 521A.
  • the second planetary gear 531A starts to rotate, and since the first planetary gear 521A and the second planetary gear 531A are meshed with the sun gear 51A, respectively, and the sun gear 51A is fixed to the upper end of the spray arm holder 10A, the first planetary gear 521A
  • the second planetary gear 531A is rotated in the circumferential direction of the sun gear 51A, respectively, so that the rotation of the spray arm main body 20A, that is, the revolving of the first spray arm auxiliary body 30A and the second spray arm auxiliary body 40A is achieved.
  • the gear assembly 50A further includes a transmission gear 532A that meshes with the first planetary gear 521A and the sun gear 51A and/or with the second planetary gear 531A and the sun gear 51A. As shown in FIG.
  • the transmission gear 532A is disposed between the second planetary gear 531A and the sun gear 51A and meshes with the second planetary gear 531A and the sun gear 51A, respectively, through the center gear 51A and the first Planetary gear 521A
  • the transmission gear 532A is disposed therebetween to ensure that the spray arm assembly 100A changes the transmission ratio of the second gear set 53A of the gear assembly 50A within a certain width and size range, and can function to transmit motion and power to realize the second planetary gear.
  • the transmission of the 531A and the sun gear 51A ensures the washing effect of the spray arm assembly 100A.
  • the number of teeth of the first planetary gear 521A and the second planetary gear 531A are equal. Since the gear assemblies 50A are in mesh with each other, the modulus of the first planetary gears 521A and the second planetary gears 531A are also equal, that is, the pitch diameters of the first planetary gears 521A and the second planetary gears 531A are equal. Further, the number of teeth of the sun gear 51A and the gear ratio of the first planetary gear 521A and the second planetary gear 531A are 2:1.
  • the first planetary gear 521A is directly meshed with the sun gear 51A
  • the transmission gear 532A is disposed between the second planetary gear 531A and the sun gear 51A
  • the transmission gear 532A is directly meshed with the second planetary gear 531A and the sun gear 51A. Since the gear ratio of the first planetary gear 521A and the second planetary gear 531A is 1:1, the gear ratio of the number of teeth of the sun gear 51A to the first planetary gear 521A is 2:1, and therefore, the index circle diameter of the sun gear 51A It is twice the diameter of the index circle of the first planetary gear 521A or the second planetary gear 531A.
  • the centers of the sun gear 51A, the first planetary gear 521A, the second planetary gear 531A, and the transmission gear 532A are located on the same straight line. That is, both sides of the two sets of planetary gear sub-center gears 51A are in an external meshing relationship. Since the sun gear 51A is fixed, it can be seen that the rotation direction of the first planetary gears 521A is the same as the revolution direction, and the rotation direction of the second planetary gears 531A is the same. The opposite direction to the revolution.
  • the spray arm main body 20A starts to rotate clockwise around the central axis of the spray arm holder 10A, and at the same time, the sun gear 51A and the second planetary gear 531A
  • the transmission gear 532A also rotates clockwise about its central axis.
  • the second planetary gear 531A and the transmission gear 532A are in an external meshing relationship, the second planetary gear 531A and the transmission gear 532A rotate in opposite directions, that is, the second planetary gear 531A.
  • the center axis of the second positioning shaft 221A is rotated counterclockwise.
  • the centers of the sun gear 51A, the first planetary gear 521A, the second planetary gear 531A, and the transmission gear 532A are disposed on the same straight line, which is advantageous for reducing the width dimension of the spray arm assembly 100A and increasing the washing of the spray arm assembly 100A.
  • the length of the area is such that a rectangular, dead-angled wash area is achieved.
  • the direction in which the first injection hole 302A on the first planetary gear 521A is disposed and the direction in which the second injection hole 402A on the second planetary gear 531A are disposed are related to the number of the transmission gears 532A and the installation position.
  • the number of the transmission gears 532A provided between the first planetary gears 521A and the sun gear 51A is an even number
  • the number of the transmission gears 532A provided between the second planetary gears 531A and the sun gear 51A is an odd number
  • the arrangement direction of the 302A and the second injection holes 402A is opposite, that is, the rotation directions of the first spray arm sub-body 30A and the second spray arm auxiliary body 40A are opposite.
  • the number and the set position of the transmission gear 532A can be changed according to design requirements.
  • the ratio of the index circle radius R1 of the sun gear 51A to the pitch circle radius R2 of the first planetary gear 521A and the second planetary gear 531A is 2:1.
  • the sun gear 51A has 72 teeth, and the first planetary gear 521A and the second planetary gear 531A each have 36 teeth. It can be seen that the ratio of the index circle radius R1 of the sun gear 51A to the index circle radius R2 of the first planet gear 521A is also 2:1, and the revolution track radius R3 of the first planet gear 521A is equal to the index circle of the first planet gear 521A.
  • the revolution trajectory radius R4 of the second planetary gear 531A is equal to the division circle of the first planetary gear 521A (2M + 1) times the radius R2, where M is the number of transmission stages of the second gear set 53A, for example, two stages and four stages. Therefore, as shown in FIG. 2, in the present embodiment, the revolution trajectory radius R1 of the first planetary gear 521A is equal to three times the radius of the index circle of the first planetary gear 521A, and the revolution radius R4 of the second planetary gear 531A is equal to the first The pitch circle radius R2 of one planetary gear 521A is five times.
  • the rotation speed of the first spray arm sub-body 30A is the same as the revolution direction, and the rotation speed ratio of the rotation and the revolution is 3:1. Further, the first spray arm sub-body 30A is provided with a plurality of central collinear first injection holes 302A, and the first injection holes 302A have a phase difference angle between the rotation and the revolving motion trajectory, which is equal to the two first injection holes 302A. 1/2 of the phase difference angle between the line connecting the first spray arm sub-body shaft 33A.
  • the sun gear 51A and the first planetary gear 521A are in an external meshing relationship, and the number of teeth of the sun gear 51A and the gear ratio of the first planetary gear 521A and the second planetary gear 531A are 2:1.
  • the gear ratio and the meshing relationship of the central gear 51A and the first planetary gear 521A it can be seen that the first spray arm sub-body 30A rotates in the same direction as the revolution, and the rotational speed ratio is 3:1, and the first spray arm sub-body 30A
  • the trajectory formed by the movement of an injection hole 302A will appear as a long double-arc oscillating line, and the phase difference angle of the two movement trajectories is equal to the connection between the two first injection holes 302A and the first spray arm auxiliary body rotation shaft 33A. 1/2 of the phase difference angle.
  • the first injection hole 302A forms a characteristic epicycloid motion locus as shown in FIGS. 10 and 11 : for the relatively outer first injection hole 302A, the first injection hole 302A is away from the first spray arm sub-body shaft 33A More than 1/3 of the revolution radius R3 of the first planetary gear 521A, the motion trajectory is a long double-arc oscillating line; as the injection hole position moves inward, the motion trajectory line is entirely inwardly contracted, and the middle position is two The inner winding is also gradually reduced; when the distance from the first injection hole 302A to the first spray arm auxiliary shaft 33A is equal to 1/3 of the revolution radius R3 of the first planetary gear 521A, the inner winding just disappears and becomes two Sharp corners, at this time, the motion trajectory is a kidney line.
  • the first spray arm sub-body 30A includes a long arm 31A and a short arm 32A, a long arm 31A and a short arm 32A on both sides of the central axis of the first spray arm auxiliary shaft 33A.
  • the first injection holes 302A are respectively provided on the upper portions.
  • the first spray arm sub-body 30A is formed in a linear shape, wherein the first spray arm auxiliary body 30A has a long arm 31A and a short arm 32A on both sides of the first spray arm auxiliary body rotating shaft 33A, and the long arm 31A and short a plurality of spaced apart openings are respectively arranged on the arm 32A An injection hole 302A.
  • the phase difference between the first trajectory 302A on the long arm 31A and the trajectory line of the first injection hole 302A on the short arm 32A is 1/2 of the phase difference between the long arm 31A and the short arm 32A.
  • the phase difference of the movement trajectory of the long arm 31A of the first boom sub-body 30A and the first injection hole 302A on the short arm 32A is 1/180 of the phase difference between the long arm 31A and the short arm 32A. 2, that is 90 °.
  • the movement trajectory of the first injection hole 302A on the long arm 31A is a front-rear movement trajectory line
  • the movement trajectory of the first injection hole 302A on the short arm 32A is a left-right direction movement trajectory line. Both can be interwoven into a more comprehensive coverage spray.
  • the rotation of the second spray arm sub-body 40A is opposite to the revolution direction, and the rotation speed ratio of the rotation and the revolution is 1:1.
  • the second spray arm sub-body 40A is provided with a plurality of central collinear second injection holes 402A, and the second injection holes 402A have a phase difference angle between the rotation and the revolving motion trajectory, which is equal to the two second injection holes 402A. 1/2 of the phase difference angle between the line connecting the second spray arm sub-body shaft 42A.
  • the sun gear 51A and the second planetary gear 531A are in an external meshing relationship, and the gear ratio of the sun gear 51A to the second planetary gear 531A and the second planetary gear 531A is 2:1, according to the sun gear 51A and the second gear
  • the gear ratio and the meshing relationship of the planetary gear 531A indicate that the rotation of the second spray arm sub-body 40A together with the second planetary gear 531A is opposite to the revolution direction, the rotation speed ratio is 1:1, and the second injection on the second spray arm auxiliary body 40A.
  • the trajectory formed by the movement of the hole 402A will appear as a flat elliptical line, and the phase difference angle of the two moving trajectory lines is equal to the phase difference angle between the lines connecting the two second injection holes 402A and the second spray arm sub-body rotating shaft 42A. /2.
  • the movement trajectory of the second injection hole 402A is formed substantially in an elliptical shape, as shown in FIG. 12: the outermost injection hole, the flattened and elongated elliptical trajectory is formed; as the injection hole position moves inward, the movement trajectory line is two The end gradually adducts, the middle gradually becomes outward, and the whole gradually becomes round, and the second injection hole 402A is mainly used for covering the washing area of the corner position.
  • the second spray arm sub-body 40A includes two mutually symmetric spray arms 41A, and each spray arm 41A is provided with a second spray hole 402A of the same position.
  • the second spray arm sub-body 40A is formed substantially in a V shape, that is, the second spray arm auxiliary body 40A has two symmetrically disposed spray arms 41A, and each spray arm 41A is provided separately.
  • the phase difference of the movement trajectory line of the second injection holes 402A on the two spray arms 41A is 1/2 of the phase difference between the two spray arms 41A, and the second injection holes 402A on the two second spray arms 41A.
  • the phase difference of the trajectory line is equal to the angle between the two diagonals in the dishwasher.
  • the washing areas of the plurality of second injection holes 402A on the two spray arms 41A respectively correspond to the areas covering the two diagonal lines in the dishwasher.
  • the phase difference of the movement trajectory line of the second injection hole 402A on the two spray arms 41A is 1/2 of the phase difference between the two spray arms 41A, and at the same time, the second injection holes 402A on the two spray arms 41A move.
  • the phase difference of the trajectory is equal to the angle between the two diagonals in the dishwasher.
  • the specific value can be set according to the size of the dishwasher. Therefore, the second spray arm sub-body 40A can cover four wells in the dishwasher. Washing at the corner position.
  • the spray arm assembly 100A for a dishwasher of the embodiment of the present invention has two spray arm auxiliary bodies, wherein the first spray arm auxiliary body 30A can cover the rectangular washing area of the spray arm assembly 100A except four. Most of the areas outside the corners include the middle area of the front and rear positions; and the second spray arm sub-body 40A is the area that mainly supplements the four corner positions of the rectangular washing area covering the spray arm assembly 100A, the two spray arms
  • the two sets of trajectories of the auxiliary body are combined and interlaced to achieve coverage of the rectangular washing area, thereby solving the problem that the dishwasher in the related art is poorly cleaned due to poor washing in the front and rear positions.
  • a spray arm assembly 100A for a dishwasher will now be described with reference to specific embodiments.
  • the spray arm assembly 100A for a dishwasher is mainly composed of a spray arm holder 10A, a spray arm main body 20A, a first spray arm auxiliary body 30A, a second spray arm auxiliary body 40A, and a first planet.
  • the gear 521A, the second planetary gear 531A, the sun gear 51A, the transmission gear 532A, the first slip ring 61A, the second slip ring 62A, and the third slip ring 63A are composed.
  • the spray arm holder 10A is formed in a columnar shape extending in the vertical direction (upper and lower direction as shown in FIG. 2), and the spray arm holder 10A is defined to have both ends electrically connected along the axial direction thereof.
  • the water flow channel 101A is extended, and the lower end of the spray arm holder 10A is provided with a water inlet 102A that is electrically connected to the water flow channel 101A.
  • the side wall of the upper end of the spray arm holder 10A is provided with a first water outlet 103A extending along the circumferential direction thereof, and the spray arm
  • the side wall of the seat 10A is further provided with a first sliding engagement groove 104A formed in an annular shape extending in the circumferential direction of the spray arm holder 10A and located below the first water outlet 103A, and the upper end of the spray arm holder 10A.
  • the spray arm main body 20A is rotatably provided on the spray arm holder 10A and rotatable about the central axis of the spray arm holder 10A, and the spray arm main body 20A forms a long plate member disposed in a horizontal plane.
  • a first inner chamber 201A that is electrically connected to the water flow passage 101A is defined in the spray arm main body 20A.
  • the spray arm main body 20A is mainly composed of a main wing 21A and an aileron 22A located on both sides of the central axis of the spray arm main body 20A, wherein the main wing 21A
  • the upper surface is provided with a first positioning shaft 211A.
  • the middle portion of the first positioning shaft 211A is provided with a second water outlet 210A that is electrically connected to the first inner cavity 201A.
  • the side wall of the first positioning shaft 211A is provided with a second sliding engagement groove 212A.
  • the second sliding engagement groove 212A forms a ring shape extending along the circumferential direction of the first positioning shaft 211A.
  • the upper surface of the aileron 22A is provided with a second positioning shaft 221A.
  • the middle portion of the second positioning shaft 221A is provided with the first inner cavity 201A.
  • the third water outlet 220A of the conduction, the side wall of the second positioning shaft 221A is provided with a third sliding engagement groove 222A, and the third sliding engagement groove 222A forms a ring extending along the circumferential direction of the second positioning shaft 221A, and the spray arm main body 20A
  • the lower surface is provided with a first through hole 202A, and the upper end of the spray arm holder 10A passes through the first pass 202A, extends into the first lumen 201A, and through the upper surface of the main wing flaps 22A and 21A of the connection position.
  • the first sliding ring 61A is sleeved on the spray arm holder 10A and pivotally connected to the first sliding engagement groove 104A on the spray arm holder 10A.
  • the first slide ring 61A and the spray arm are provided.
  • the main body 20A is snap-connected to rotate around the central axis of the spray arm holder 10A along with the spray arm main body 20A.
  • the second slide ring 62A is sleeved on the first positioning shaft 211A and pivotally engaged with the second sliding engagement groove 212A.
  • the third sliding ring 63A is sleeved on the second positioning shaft 221A and pivotally engaged with the third sliding engagement groove 222A.
  • the sun gear 51A is disposed above the spray arm main body 20A and is fixedly coupled to the spray arm seat 10A which protrudes from the upper surface of the spray arm main body 20A.
  • the center gear 51A is provided with a positioning groove in the middle thereof. 511A, the spline fitting portion 11A of the upper end of the spray arm holder 10A is snap-fitted to the positioning groove 511A so that the sun gear 51A is fixedly coupled to the spray arm holder 10A, so that the center gear 51A does not rotate when the spray arm assembly 100A operates.
  • the first planetary gear 521A is sleeved on the outer side of the second sliding ring 62A and is engaged with the second sliding ring 62A to ensure that the first planetary gear 521A and the second sliding ring 62A rotate together around the central axis of the first positioning shaft 211A.
  • the second planetary gear 531A is sleeved on the outer side of the third sliding ring 63A and is engaged with the third sliding ring 63A to ensure that the second planetary gear 531A rotates together with the third sliding ring 63A about the central axis of the second positioning shaft 221A.
  • the transmission gear 532A is rotatably disposed on the spray arm main body 20A and located between the sun gear 51A and the second planetary gear 531A, and the transmission gear 532A is meshed with the sun gear 51A and the second planetary gear 531A, respectively.
  • the first spray arm sub-body 30A is formed in an elongated shape arranged in a horizontal plane, and the first spray arm auxiliary body 30A defines a second inner cavity 301A extending along the longitudinal direction thereof.
  • the lower surface of the spray arm sub-body 30A is provided with a first spray arm auxiliary body shaft 33A, and the middle portion of the first spray arm auxiliary body shaft 33A has a second through hole 303A that is electrically connected to the second inner chamber 301A.
  • the spray arm main body 20A The first positioning shaft 211A extends into the second through hole 303A and is pivotally connected to the first spray arm auxiliary body 30A.
  • the first spray arm auxiliary body rotating shaft 33A is coupled to the second sliding ring 62A.
  • the side of the first spray arm auxiliary body 30A on its rotation axis is the long arm 31A
  • the other side of the first spray arm auxiliary body 30A on the other side thereof is the short arm 32A.
  • the long arm 31A and the short arm 32A are respectively provided with first injection holes 302A extending along the longitudinal direction thereof and electrically connected to the second inner cavity 301A.
  • the second spray arm sub-body 40A is formed in a V shape disposed on a horizontal surface, and the second spray portion sub-body defines a third inner cavity 401A extending along the longitudinal direction thereof, and the second spray arm pair
  • the lower surface of the body 40A is provided with a second spray arm sub-body rotating shaft 42A, and the middle portion of the second spray arm auxiliary body rotating shaft 42A has a third through hole 403A that is electrically connected to the third inner cavity 401A, and the second positioning of the spray arm main body 20A
  • the shaft 221A extends into the third through hole 403A and is pivotally connected to the second spray arm sub-body 40A.
  • the second spray arm auxiliary body shaft 42A is coupled to the third slide ring 63A to drive the third.
  • the sliding ring 63A rotates together, and the second spray arm auxiliary body 40A has two spray arms 41A arranged symmetrically with each other, and each spray arm 41A is provided with a plurality of second spray holes 402A spaced apart along its length direction, two The positions of the plurality of second injection holes 402A on the spray arm 41A are in one-to-one correspondence.
  • the centers of the first planetary gear 521A, the sun gear 51A, the transmission gear 532A, and the second planetary gear 531A are arranged in line, and the first planetary gear 521A and the second planetary gear 531A are respectively disposed on both sides of the sun gear 51A. . Further, the first planetary gear 521A and the transmission gear 532A are respectively meshed with the sun gear 51A, and the transmission gear 532A is further meshed with the second planetary gear 531A. Since the sun gear 51A is fixed, it can be seen that the rotation direction and the revolution direction of the first planetary gear 521A and the transmission gear 532A are the same, and the rotation direction of the second planetary gear 531A is opposite to the revolution direction.
  • the wash water sequentially enters the water flow of the spray arm holder 10A from the water inlet 102A of the spray arm holder 10A.
  • first injection holes 302A on the first spray arm sub-body 30A and a plurality of second on the second spray arm auxiliary body 40A The injection hole 402A is ejected, and under the opposing force of the ejected wash water, the first spray arm sub-body 30A and the second spray arm auxiliary body 40A are respectively rotated about the central axis of the rotating shaft at the corresponding position, while at the same time
  • the first planetary gear sub-body 30A and the second spray arm auxiliary body 40A respectively drive the first planetary gear 521A and the second planetary gear 531A to rotate, since the sun gear 51A is fixed to the spray arm main body 20A, and the first planetary gear 521A Directly externally meshing with the sun gear 51A, the second planetary gear 531A is meshed with the sun gear 51A via the transmission gear 532A, so that the spray arm main body 20A is rotated about
  • the first planetary gear 521A, the second planetary gear 531A and the transmission gear 532A are the same, that is, the modulus and the number of teeth are the same.
  • the gear ratio of the sun gear 51A and the first planetary gear 521A, the second planetary gear 531A, and the transmission gear 532A is 2:1, specifically, the sun gear 51A has 72 teeth, the first planetary gear 521A, the second planetary gear 531A, and the transmission.
  • Gears 532A each have 36 teeth.
  • the ratio of the index circle radius R1 of the sun gear 51A and the pitch circle radius R2 of the first planetary gear 521A, the second planetary gear 531A and the transmission gear 532A is also 2:1, specifically, R1 is equal to 57 mm, and R2 is equal to 28.5 mm. .
  • the revolution trajectory radius R3 of the first planetary gear 521A and the transmission gear 532A is equal to 85.5 mm, and the revolution trajectory radius R4 of the second planetary gear 531A is equal to 142.5 mm.
  • the spray arm main body 20A serves as a carrier of the first planetary gear 521A, the second planetary gear 531A, and the transmission gear 532A. With the rotation of the first planetary gear 521A, the second planetary gear 531A, and the transmission gear 532A, the spray arm main body 20A together with the first A planetary gear 521A and a second planetary gear 531A revolve around the central axis of the spray arm holder 10A.
  • the indexing circle of the first planetary gear 521A performs a rolling motion outside the indexing circle of the sun gear 51A, so that the rotation of the first boom arm body 30A is rotated.
  • the speed ratio is 3:1.
  • the trajectory formed by the movement of the long arm 31A of the first spray arm sub-body 30A and the first injection hole 302A on the short arm 32A will appear as a long double-arc oscillating line, and the phase difference angle of the two moving trajectories is equal to two
  • the first injection hole 302A is 1/2 of the phase difference angle between the line connecting the first spray arm sub-body shaft 33A.
  • the first injection hole 302A12 forms a characteristic epicycloid motion trajectory, as shown in FIG. 10: for the relatively outer first injection hole 302A, the first injection hole 302A is larger than the first spray arm secondary body rotation axis 33A by the first The 1/3 of the revolution radius R3 of the planetary gear 521A, that is, greater than 28.5 mm, is a long double-arc oscillating line; as the position of the first injection hole 302A moves inward, the motion trajectory is entirely inwardly contracted.
  • the two inner windings of the intermediate position are also gradually reduced; when the distance from the first injection hole 302A to the first spray arm auxiliary body shaft 33A is equal to 1/3 of the revolution radius R3 of the first planetary gear 521A, that is, 28.5 mm, The circle just disappears and becomes two sharp corners.
  • the motion trajectory is a kidney line.
  • the first spray arm sub-body 30A has a long arm 31A and a short arm 32A.
  • the phase difference between the two sets of first injection holes 302A on the moving trajectory is 180° between the long arm 31A and the short arm 32A. 1/2, which is 90°.
  • the movement trajectory of the first injection hole 302A on the long arm 31A is a front-rear movement trajectory.
  • the movement trajectory of the first injection hole 302A on the short arm 32A is left-right. The trajectory line is thus traversed, so that the two sets of first spray holes 302A can be interwoven into a more comprehensive cover spray.
  • the indexing circle of the transmission gear 532A performs a rolling motion outside the indexing circle of the sun gear 51A, so that the second spray arm auxiliary body 40A
  • the rotational speed ratio is 1:1.
  • the trajectory formed by the movement of the second injection hole 402A will appear as a flat elliptical line, and the phase difference angle of the two movement trajectory lines is equal to the phase difference between the lines connecting the two second injection holes 402A and the second spray arm auxiliary body rotation shaft 42A. 1/2 of the angle.
  • the second injection hole 402A forms a characteristic elliptical line trajectory, as shown in FIG. 12: the outer outer second injection hole 402A, the flattened and elongated elliptical trajectory is formed; as the second injection hole 402A is oriented Within the movement, both ends of the trajectory line gradually adduct, and the middle gradually becomes outward, and the whole gradually becomes round.
  • the second injection hole 402A is mainly a washing area for covering the corner position.
  • the second spray arm sub-body 40A includes two spray arms 41A, which are provided with the same second spray holes 402A, respectively corresponding to the areas of the two diagonal lines in the dishwasher.
  • the phase difference between the two groups of second injection holes 402A is 1/2 of the phase difference between the two spray arms 41A, and the phase difference between the two groups of second injection holes 402A is equal to two in the dishwasher.
  • the angle of the diagonal angle is specifically 70° in this embodiment. Therefore, the second spray arm sub-body 40A2 can well cover the washing of the four corner positions in the dishwasher.
  • the spray arm assembly 100A for a dishwasher of the present embodiment has two spray arm sub-body, wherein the first spray arm sub-body 30A can cover most of the rectangular except for the four corners, including the middle of the front and rear positions.
  • the second spray arm sub-body 40A is a region that mainly supplements the position of the four corners. As shown in FIG. 13 , the two sets of trajectory lines of the two spray arm sub-assemblies are combined and interlaced, and the coverage of the rectangular washing area is substantially completely realized, thereby solving the problem that the dishwasher in the related art is poorly washed due to the front and rear positions. The overall cleaning is not good, and the washing effect is good.
  • a dishwasher (not shown) according to an embodiment of the second aspect of the present invention includes the spray arm assembly 100A for a dishwasher according to the above embodiment. Since the spray arm assembly 100A for a dishwasher according to an embodiment of the present invention has the above-described technical effects, the dishwasher according to the embodiment of the present application also has the above-described technical effects, that is, the dishwasher has a simple structure and various components. The connection is reliable, the assembly and disassembly is convenient, the rectangular washing area can be realized, the washing effect is good, the washing efficiency is high, and the user experience is good.

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  • Washing And Drying Of Tableware (AREA)

Abstract

一种用于洗碗机的喷臂组件(100A)和具有其的洗碗机，喷臂组件(100A)包括：喷臂座(10A)；喷臂主体(20A)，喷臂主体(20A)设在喷臂座(10A)上且绕喷臂座(10A)的中心轴线转动；第一喷臂副体(30A)，第一喷臂副体(30A)绕第一喷臂副体转轴(33A)的中心轴线可转动；第二喷臂副体(40A)，第二喷臂副体(40A)绕第二喷臂副体转轴(42A)的中心轴线可转动，第一喷射孔(302A)和第二喷射孔(402A)的运动轨迹叠加限定出大致为矩形的洗涤区域；齿轮组件(50A)，齿轮组件(50A)驱动喷臂主体(20A)和喷臂副体转动。

Description

用于洗碗机的喷臂组件和具有其的洗碗机 技术领域
本发明涉及洗碗机技术领域，更具体地，涉及一种用于洗碗机的喷臂组件和具有其的洗碗机。
背景技术
柜式洗碗机根据宽度尺寸的不同可以分为60机和45机，前者宽约60厘米，后者则是宽约45厘米。洗碗机在工作时，通过内部的数个喷臂旋转喷淋，对餐具进行不断的覆盖喷射洗涤，结合水的反射、溅洒和流淌等作用，完成对餐具的清洗。然而，相关技术中的45柜式洗碗机由于其宽度较深度要窄，因此其内部碗篮区域是长方形的，而一般的喷臂的喷洗区域是圆形的，使得碗篮区域的前后位置出现洗涤不良的现象，甚至形成洗涤死区。普通喷臂的运动特征未能很好匹配45机长方形的洗涤区域，严重影响洗碗机的洗涤效果。
发明内容
本发明旨在至少在一定程度上解决上述技术问题之一。为此，本发明提出一种用于洗碗机的喷臂组件，该喷臂组件的结构简单，各部件连接可靠，可以形成长方形、无死角的洗涤区域，洗涤效果好，洗涤效率高，用户体验好。
本发明还提出一种具有上述用于洗碗机的喷臂组件的洗碗机。
根据本发明第一方面实施例的用于洗碗机的喷臂组件，包括：喷臂座，所述喷臂座限定出水流通道，所述喷臂座的一端设有与所述水流通道连通的进水口，所述喷臂座的另一端设有与所述水流通道连通的第一出水口；喷臂主体，所述喷臂主体设在所述喷臂座的另一端且绕所述喷臂座的中心轴线转动，所述喷臂主体内限定出与所述第一出水口导通的第一内腔，所述喷臂主体包括位于所述喷臂座的中心轴线两侧的主翼和副翼，所述主翼和所述副翼上分别设有与所述第一内腔导通的第二出水口和第三出水口；第一喷臂副体，所述第一喷臂副体设在所述喷臂主体上，所述第一喷臂副体内限定出与所述第二出水口导通的第二内腔，所述第一喷臂副体上设有第一喷臂副体转轴以及与所述第二内腔导通的第一喷射孔，所述第一喷臂副体绕所述第一喷臂副体转轴的中心轴线可转动；第二喷臂副体，所述第二喷臂副体设在所述喷臂主体上，所述第二喷臂副体内限定出与所述第三出水口导通的第三内腔，所述第二喷臂副体上设有第二喷臂副体转轴以及与所述第二内腔导通的第二喷射孔，所述第二喷臂副体绕所述第二喷臂副体转轴的中心轴线可转动，所述第一喷射孔和所述第二喷射孔的运动轨迹叠加限定出大致为矩形的洗涤区域；齿轮组件，所述齿轮组件与所述喷臂主体、所述第一 喷臂副体和所述第二喷臂副体相连以驱动所述喷臂主体和所述喷臂副体转动。
根据本发明实施例的用于洗碗机的喷臂组件，通过设置齿轮组件，可以实现第一喷臂副体和第二喷臂副体的自转和公转，喷臂组件的两个喷臂副体上的喷射孔的洗涤区域的叠加可以形成长方形、无死角的洗涤区域，该喷臂组件的结构简单，各部件连接可靠，装拆方便，可以实现长方形的洗涤区域，洗涤效果好，洗涤效率高，用户体验好。
另外，根据本发明实施例的用于洗碗机的喷臂组件，还可以具有如下附加的技术特征：
根据本发明的一个实施例，所述水流通道沿所述喷臂座的轴向方向延伸，所述第一出水口设在所述喷臂座的另一端的侧壁上。
根据本发明的一个实施例，还包括：第一滑动环，所述喷臂座上设有第一滑动配合槽，所述第一滑动环可转动地套设在所述第一滑动配合槽上，所述喷臂主体上设有第一通孔，所述第一通孔的外周沿向下延伸并与所述第一滑动环相连。
根据本发明的一个实施例，还包括：第二滑动环，所述喷臂主体上设有与所述第二出水口连通的第一定位轴，所述第一定位轴上设有第二滑动配合槽，所述第二滑动环可转动地套设在所述第二滑动配合槽上，所述第一喷臂副体转轴的一端设有第二通孔，所述第二通孔的外周沿向下延伸并与所述第二滑动环相连，所述齿轮组件与所述第二滑动环相连；第三滑动环，所述喷臂主体上设有与所述第三出水口连通的第二定位轴，所述第二定位轴上设有第三滑动配合槽，所述第三滑动环可转动地套设在所述第三滑动配合槽上，所述第二喷臂副体转轴的一端设有第三通孔，所述第三通孔的外周沿向下延伸并与所述第三滑动环相连，所述齿轮组件与所述第三滑动环相连。
根据本发明的一个实施例，所述齿轮组件包括：中心齿轮，所述中心齿轮设有定位槽，所述喷臂座的另一端设有配合部，所述配合部与所述第一滑动环相连，所述配合部穿过所述第一通孔伸入所述定位槽内与所述中心齿轮相连；第一齿轮组，所述第一齿轮组与所述中心齿轮啮合且与所述第二滑动环相连以由所述第二滑动环驱动；第二齿轮组，所述第二齿轮组与所述中心齿轮啮合且与所述第三滑动环相连以由所述第三滑动环驱动。
根据本发明的一个实施例，所述第一齿轮组的齿轮个数为奇数，所述第二齿轮组的齿轮个数为偶数。
根据本发明的一个实施例，所述第一齿轮组包括位于所述喷臂主体外侧的第一行星齿轮，所述第一行星齿轮与所述第二滑动环相连且由所述第二滑动环驱动，所述第一行星齿轮与所述中心齿轮传动；所述第二齿轮组包括位于所述喷臂主体外侧的第二行星齿轮，所述第二行星齿轮与所述第三滑动环相连且由所述第三滑动环驱动，所述第二行星齿轮与所述中心齿轮传动。
根据本发明的一个实施例，还包括：传动齿轮，所述传动齿轮与所述第一行星齿轮和所 述中心齿轮啮合和/或与所述第二行星齿轮和所述中心齿轮啮合。
根据本发明的一个实施例，所述第一行星齿轮和所述第二行星齿轮的齿数相等。
根据本发明的一个实施例，所述中心齿轮的齿数与所述第一行星齿轮和所述第二行星齿轮的齿数比为2:1。
根据本发明的一个实施例，所述中心齿轮、所述第一行星齿轮、所述第二行星齿轮和所述传动齿轮的中心位于同一直线上。
根据本发明的一个实施例，所述中心齿轮的分度圆半径R1与所述第一行星齿轮和所述第二行星齿轮的分度圆半径R2的比值为2:1。
根据本发明的一个实施例，所述第一行星齿轮的公转轨迹半径R3＝(2N+1)R2，N为所述第一齿轮组的传动级数，所述第二行星齿轮的公转轨迹半径R4＝(2M+1)R2，M为所述第二齿轮组的传动级数。
根据本发明的一个实施例，所述第一喷臂副体的自转与公转方向相同，且自转与公转的转速比为3:1。
根据本发明的一个实施例，所述第一喷臂副体上设有多个中心共线的所述第一喷射孔，所述第一喷射孔自转与公转的运动轨迹线的相位差角度，等于两个所述第一喷射孔与所述第一喷臂副体转轴连线之间相位差角度的1/2。
根据本发明的一个实施例，所述第一喷臂副体包括位于所述第一喷臂副体转轴的中心轴线两侧的长臂和短臂，所述长臂和所述短臂上分别设有所述第一喷射孔。
根据本发明的一个实施例，所述长臂上的所述第一喷射孔与所述短臂上的所述第一喷射孔的运动轨迹线的相位差为所述长臂与所述短臂之间的相位差的1/2。
根据本发明的一个实施例，所述第二喷臂副体的自转与公转方向相反，且自转与公转的转速比为1:1。
根据本发明的一个实施例，所述第二喷臂副体上设有多个中心共线的所述第二喷射孔，所述第二喷射孔自转与公转的运动轨迹线的相位差角度，等于两个所述第二喷射孔与所述第二喷臂副体转轴连线之间相位差角度的1/2。
根据本发明的一个实施例，所述第二喷射孔的运动轨迹大致形成为椭圆形。
根据本发明的一个实施例，所述第二喷臂副体包括两支互相对称的喷臂，每个所述喷臂上分别设有位置相同的所述第二喷射孔。
根据本发明的一个实施例，两个所述喷臂上的所述第二喷射孔的运动轨迹线的相位差为两个所述喷臂之间的相位差的1/2，且两个所述第二喷臂上的所述第二喷射孔的运动轨迹线的相位差等于所述洗碗机内两条对角线夹角角度。
根据本发明第二方面实施例的洗碗机，包括根据上述实施例所述的用于洗碗机的喷臂组 件。
本发明的附加方面和优点将在下面的描述中部分给出，部分将从下面的描述中变得明显，或通过本发明的实践了解到。
附图说明
本发明的上述和/或附加的方面和优点从结合下面附图对实施例的描述中将变得明显和容易理解，其中：
图1是根据本发明实施例的用于洗碗机的喷臂组件的立体图；
图2是图1中所示的结构的局部剖视图；
图3是图1中所示的结构的爆炸图；
图4是图1中所示的结构的喷臂座的结构示意图；
图5是图1中所示的结构的喷臂主体的结构示意图；
图6是图1中所示的结构的第一喷臂副体的结构示意图；
图7是图1中所示的结构的第二喷臂副体的结构示意图；
图8是图1中所示的齿轮组件的啮合关系的结构示意图；
图9是图1中所示的结构的简化示意图；
图10是图1中所示的结构的第一喷臂副体的长臂的洗涤区域的示意图；
图11是图1中所示的结构的第一喷臂副体的短臂的洗涤区域的示意图；
图12是图1中所示的结构的第二喷臂副体的洗涤区域的示意图；
图13是图1中所示的结构的第一喷臂副体和第二喷臂副体的洗涤区域叠加后的示意图。
附图标记
100A：喷臂组件；
10A：喷臂座；101A：水流通道；102A：进水口；103A：第一出水口；104A：第一滑动配合槽；11A：配合部；
20A：喷臂主体；201A：第一内腔；202A：第一通孔；
21A：主翼；210A：第二出水口；211A：第一定位轴；212A：第二滑动配合槽；
22A：副翼；220A：第三出水口；221A：第二定位轴；222A：第三滑动配合槽；
30A：第一喷臂副体；301A：第二内腔；302A：第一喷射孔；303A：第二通孔；
31A：长臂；
32A：短臂；
33A：第一喷臂副体转轴；
40A：第二喷臂副体；401A：第三内腔；402A：第二喷射孔；403A：第三通孔；
41A：喷臂；
42A：第二喷臂副体转轴；
50A：齿轮组件；
51A：中心齿轮；511A：定位槽；
52A：第一齿轮组；521A：第一行星齿轮；
53A：第二齿轮组；531A：第二行星齿轮；532A：传动齿轮；
61A：第一滑动环；
62A：第二滑动环；
63A：第三滑动环。
具体实施方式
下面详细描述本发明的实施例，所述实施例的示例在附图中示出，其中自始至终相同或类似的标号表示相同或类似的元件或具有相同或类似功能的元件。下面通过参考附图描述的实施例是示例性的，旨在用于解释本发明，而不能理解为对本发明的限制。
下面根据附图1至附图13具体描述根据本发明第一方面实施例的用于洗碗机的喷臂组件100A。
如图1至图3所示，根据本发明实施例的用于洗碗机的喷臂组件100A包括喷臂座10A、喷臂主体20A、第一喷臂副体30A、第二喷臂副体40A和齿轮组件50A。
具体而言，喷臂座10A限定出水流通道101A，喷臂座10A的一端设有与水流通道101A连通的进水口102A，喷臂座10A的另一端设有与水流通道101A连通的第一出水口103A，喷臂主体20A设在喷臂座10A的另一端且绕喷臂座10A的中心轴线转动，喷臂主体20A内限定出与第一出水口103A导通的第一内腔201A，喷臂主体20A包括位于喷臂座10A的中心轴线两侧的主翼21A和副翼22A，主翼21A和副翼22A上分别设有与第一内腔201A导通的第二出水口210A和第三出水口220A。
换言之，用于洗碗机的喷臂组件100A主要由喷臂座10A、喷臂主体20A、第一喷臂副体30A、第二喷臂副体40A和齿轮组件50A组成。其中，如图2和图4所示，喷臂座10A形成沿竖直方向(如图4所示的上下方向)延伸的柱状，喷臂座10A内限定有沿其轴向延伸的水流通道101A，喷臂座10A的第一端(如图2所示的下端)设有与水流通道101A导通的进水口102A，喷臂座10A的第二端(如图2所示的上端)设有与水流通道101A导通的第一出水口103A。
如图2和图5所示，喷臂主体20A形成布置在水平面上的长条板件，喷臂主体20A与喷 臂座10A的第二端相连且可绕喷臂座10A的中心轴线转动，其中，喷臂主体20A内限定有沿其长度方向延伸且与水流通道101A导通的第一内腔201A，喷臂主体20A的位于喷臂座10A的中心轴线的一侧为主翼21A，喷臂主体20A的位于喷臂座10A的中心轴线的另一侧为副翼22A，主翼21A的远离喷臂座10A的中心轴线的一端上设有与第一内腔201A导通的第二出水口210A，副翼22A的远离喷臂座10A的中心轴线的一端上设有与第二内腔301A导通的第三出水口220A。
进一步地，第一喷臂副体30A设在喷臂主体20A上，第一喷臂副体30A内限定出与第二出水口210A导通的第二内腔301A，第一喷臂副体30A上设有第一喷臂副体转轴33A以及与第二内腔301A导通的第一喷射孔302A，第一喷臂副体30A绕第一喷臂副体转轴33A的中心轴线可转动，第二喷臂副体40A设在喷臂主体20A上，第二喷臂副体40A内限定出与第三出水口220A导通的第三内腔401A，第二喷臂副体40A上设有第二喷臂副体转轴42A以及与第二内腔301A导通的第二喷射孔402A，第二喷臂副体40A绕第二喷臂副体转轴42A的中心轴线可转动，第一喷射孔302A和第二喷射孔402A的运动轨迹叠加限定出大致为矩形的洗涤区域，齿轮组件50A与喷臂主体20A、第一喷臂副体30A和第二喷臂副体40A相连以驱动喷臂主体20A和喷臂副体转动。
具体地，如图2和图6所示，第一喷臂副体30A可转动地设在喷臂主体20A的主翼21A上，第一喷臂副体30A形成布置在水平面上的长条状，第一喷臂副体30A的下表面设有与主翼21A相连的第一喷臂副体转轴33A，第一喷臂副体30A可以绕第一喷臂副体转轴33A的中心轴线转动，第一喷臂副体30A内限定有沿其长度方向延伸且与第二出水口210A连通的第二内腔301A，第二喷臂副体40A的上表面设有多个沿其长度方向间隔开布置且与第二内腔301A导通的第一喷射孔302A。如图2和图7所示，第二喷臂副体40A可转动地设在喷臂主体20A的副翼22A上，第二喷臂副体40A大致形成布置在水平面上的长条状，第二喷臂副体40A的下表面设有第二喷臂副体转轴42A，第二喷臂副体40A可以绕第二喷臂副体转轴42A的中心轴线转动，第二喷臂副体40A内限定有沿其长度方向延伸且与第三出水口220A连通的第三内腔401A，第二喷臂副体40A的上表面设有多个沿其长度方向间隔开布置且与第三内腔401A导通的第二喷射孔402A。
喷臂组件100A工作时，洗涤水从喷臂座10A的进水口102A依次进入喷臂座10A的水流通道101A、喷臂主体20A的第一内腔201A，然后分别从第二出水口210A和第三出水口220A流出喷臂主体20A，并分两路进入第一喷臂副体30A的第二内腔301A和第二喷臂副体40A的第三内腔401A内，最终从第一喷臂副体30A上的多个第一喷射孔302A和第二喷臂副体40A上的多个第二喷射孔402A喷出，在喷出的洗涤水的反向作用力下，第一喷臂副体30A和第二喷臂副体40A分别绕其对应位置上的转轴的中心轴线转动，与此同时，在齿轮组件 50A的传动作用下，喷臂主体20A绕喷臂座10A的中心轴线转动，使得从第一喷射孔302A和第二喷射孔402A喷出的洗涤水的洗涤区域叠加大致形成矩形。
由此，根据本发明实施例的用于洗碗机的喷臂组件100A，通过设置齿轮组件50A，可以实现第一喷臂副体30A和第二喷臂副体40A的自转和公转，喷臂组件100A的两个喷臂副体上的喷射孔的洗涤区域的叠加可以形成长方形、无死角的洗涤区域，该喷臂组件100A的结构简单，各部件连接可靠，装拆方便，可以实现长方形的洗涤区域，洗涤效果好，洗涤效率高，用户体验好。
在本发明的一些具体实施方式中，水流通道101A沿喷臂座10A的轴向方向(如图2所示的上下方向)延伸，第一出水口103A设在喷臂座10A的另一端的侧壁上。参照图2，喷臂座10A的第一端(如图2所示的上端)的外侧壁设有与水流通道101A导通的第一出水口103A，第一出水口103A沿喷臂座10A的侧壁的周向延伸，喷臂主体20A与喷臂座10A的第一端相连且喷臂座10A的第一出水口103A与喷臂主体20A的第一内腔201A导通。由此，通过将第一出水口103A设在喷臂座10A的侧壁，可以保证单位时间内、较大的进水通量，从而为洗碗机提供足量的洗涤水，大大地提高了洗涤效率。
其中，喷臂组件100A还包括第一滑动环61A，喷臂座10A上设有第一滑动配合槽104A，第一滑动环61A可转动地套设在第一滑动配合槽104A上，喷臂主体20A上设有第一通孔202A，第一通孔202A的外周沿向下延伸并与第一滑动环61A相连。
具体地，如图2和图4所示，喷臂座10A的第一端(如图4所示的上端)的外侧壁设有与水流通道101A不导通的第一滑动配合槽104A，第一滑动配合槽104A形成沿喷臂座10A的周向延伸的环形，并且第一滑动配合槽104A位于第一出水口103A的下方，第一滑动环61A套设在喷臂座10A的上端且第一滑动环61A的内圈与喷臂座10A上的第一滑动配合槽104A配合，喷臂主体20A的下表面设有与第一内腔201A导通的第一通孔202A，喷臂座10A的上端通过第一通孔202A、伸入喷臂座10A的第一内腔201A内且与喷臂主体20A的上表面卡接相连，而喷臂主体20A的邻近第一通孔202A的外周沿向外弯折以与第一滑动环61A配合。
由此，通过在第一出水口103A的下方设置第一滑动配合槽104A和与其配合的第一滑动环61A，可以实现喷臂主体20A与第一滑动环61A的固定连接，并可以实现喷臂座10A与喷臂主体20A之间的可枢转连接，保证喷臂主体20A可以绕喷臂座10A的中心轴线转动，实现第一喷臂副体30A和第二喷臂副体40A的公转，从而实现喷臂组件100A的长方形、无死角的洗涤区域。
喷臂组件100A还包括第二滑动环62A和第三滑动环63A，喷臂主体20A上设有与第二出水口210A连通的第一定位轴211A，第一定位轴211A上设有第二滑动配合槽212A，第二滑 动环62A可转动地套设在第二滑动配合槽212A上，第一喷臂副体转轴33A的一端设有第二通孔303A，第二通孔303A的外周沿向下延伸并与第二滑动环62A相连，齿轮组件50A与第二滑动环62A相连。进一步地，喷臂主体20A上设有与第三出水口220A连通的第二定位轴221A，第二定位轴221A上设有第三滑动配合槽222A，第三滑动环63A可转动地套设在第三滑动配合槽222A上，第二喷臂副体转轴42A的一端设有第三通孔403A，第三通孔403A的外周沿向下延伸并与第三滑动环63A相连，齿轮组件50A与第三滑动环63A相连。
也就是说，该用于洗碗机的喷臂组件100A主要由喷臂座10A、喷臂主体20A、第一喷臂副体30A、第二喷臂副体40A、齿轮组件50A、第一滑动环61A、第二滑动环62A和第三滑动环63A组成。其中，喷臂座10A的上端的侧壁设有沿其周向延伸的第一滑动配合槽104A，喷臂主体20A的两端的上表面分别设有沿喷臂座10A的轴向延伸的第一定位轴211A和第二定位轴221A，第一定位轴211A的侧壁设有沿其周向延伸的第二滑动配合槽212A，第二定位轴221A的侧壁设有沿其周向延伸的第三滑动配合槽222A，第一滑动环61A套设在喷臂座10A上且第一滑动环61A的内圈与喷臂座10A的第一滑动配合槽104A可枢转地配合，第二滑动环62A套设在喷臂主体20A的第一定位轴211A上且第二滑动环62A的内圈与第一定位轴211A上的第二滑动配合槽212A可枢转地配合，第三滑动环63A套设在喷臂主体20A的第二定位轴221A上且第三滑动环63A的内圈与第二定位轴221A上的第三滑动配合槽222A可枢转地配合。
其中，第一喷臂副体转轴33A的一端设有与第二内腔301A导通的第二通孔303A，第二喷臂副体转轴42A的一端设有与第三内腔401A导通的第三通孔403A，喷臂主体20A上的第一定位轴211A通过第二通孔303A、伸入第一喷臂副体转轴33A的第二通孔303A内，第一定位轴211A上的第二滑动环62A的外圈与第一喷臂副体转轴33A固定相连，以使第一喷臂副体30A以及第二滑动环62A可以绕第一定位轴211A的中心轴线转动，喷臂主体20A上的第二定位轴221A通过第三通孔403A、伸入第二喷臂副体转轴42A的第三通孔403A内，第二定位轴221A上的第三滑动环63A的外圈与第二喷臂副体转轴42A固定相连，以使第二喷臂副体40A以及第三滑动环63A可以绕第二定位轴221A的中心轴线转动。
具体地，喷臂主体20A的邻近第一通孔202A的外周沿向下延伸且弯折以与第一滑动环61A卡接相连，第一喷臂副体30A的邻近第二通孔303A的外周沿向下延伸且弯折以与第二滑动环62A卡接相连，第二喷臂副体40A的邻近第三通孔403A的外周沿向下延伸且弯折以与第三滑动环63A卡接相连。齿轮组件50A分别与第一滑动环61A、第二滑动环62A和第三滑动环63A相连，当喷臂组件100A工作时，第一喷臂副体30A和第二喷臂副体40A在喷出的洗涤水的反向驱动下、开始转动，然后通过齿轮组件50A的传动，可以实现驱动喷臂主体20A绕喷臂座10A的中心轴线转动的目的。
由此，通过在喷臂主体20A上的第一定位轴211A和第二定位轴221A上设置与第二滑动环62A和第三滑动环63A配合的第二滑动配合槽212A和第三滑动配合槽222A，可以实现第一喷臂副体30A与第一定位轴211A、第二喷臂副体40A与第二定位轴221A的可枢转连接，保证第一喷臂副体30A和第二喷臂副体40A可绕其对应的旋转中心轴线转动，实现第一喷臂副体30A和第二喷臂副体40A的自转，从而实现喷臂组件100A的长方形、无死角的洗涤区域。
如图2和图8所示，在本发明的一些具体实施方式中，齿轮组件50A包括中心齿轮51A、第一齿轮组52A和第二齿轮组53A。具体而言，中心齿轮51A设有定位槽511A，喷臂座10A的另一端设有配合部11A，配合部11A与第一滑动环61A相连，配合部11A穿过第一通孔202A伸入定位槽511A内与中心齿轮51A相连，第一齿轮组52A与中心齿轮51A啮合且与第二滑动环62A相连以由第二滑动环62A驱动，第二齿轮组53A与中心齿轮51A啮合且与第三滑动环63A相连以由第三滑动环63A驱动。
换言之，喷臂组件100A的齿轮组件50A主要由中心齿轮51A、第一齿轮组52A和第二齿轮组53A组成，其中，喷臂座10A的第一端(如图2所示的上端)伸出喷臂主体20A的上表面，中心齿轮51A套设在喷臂座10A的上端且与喷臂座10A的上端卡接相连，具体地，中心齿轮51A的中部设有定位槽511A，喷臂座10A的第一端设有配合部11A，喷臂座10A的配合部11A的至少一部分伸出喷臂主体20A的上表面且与中心齿轮51A的定位槽511A卡接相连，喷臂座10A的第一滑动配合槽104A与位于喷臂主体20A下方的第一滑动环61A可枢转地相连。例如，中心齿轮51A安装在喷臂座10A的顶部，两者可以通过花键配合部11A实现固定连接。
第一齿轮组52A设在第一喷臂副体30A的下方且与第一喷臂副体30A上的第二滑动环62A固定相连，第一喷臂副体30A绕喷臂主体20A的第一定位轴211A的中心轴线转动时，可以带动第一齿轮组52A转动，第二齿轮组53A设在第二喷臂副体40A的下方且与第二喷臂副体40A上的第三滑动环63A固定相连，第二喷臂副体40A绕喷臂主体20A上的第二定位轴221A的中心轴线转动时，可以带动第二齿轮组53A转动，二者同时与中心齿轮51A啮合传动，再加上中心齿轮51A相对于水平面固定设置，使得第一齿轮组52A和第二齿轮组53A分别沿中心齿轮51A的周向转动，从而实现喷臂主体20A绕喷臂座10A的中心轴线转动。
可选地，根据本发明的一个实施例，第一齿轮组52A的齿轮个数为奇数，第二齿轮组53A的齿轮个数为偶数。由此，通过调节第一齿轮组52A以及第二齿轮组53A的齿轮个数、齿轮齿数，可以调节第一喷臂副体30A和第二喷臂副体40A的自转的转速，从而实现预定的洗涤效率。
具体地，根据本发明的一个实施例，第一齿轮组52A包括位于喷臂主体20A外侧的第一 行星齿轮521A，第一行星齿轮521A与第二滑动环62A相连且由第二滑动环62A驱动，第一行星齿轮521A与中心齿轮51A传动，第二齿轮组53A包括位于喷臂主体20A外侧的第二行星齿轮531A，第二行星齿轮531A与第三滑动环63A相连且由第三滑动环63A驱动，第二行星齿轮531A与中心齿轮51A传动。
例如，第一齿轮组52A由单数级齿轮构成，例如一级和三级，其中，最靠外的行星齿轮为第一行星齿轮521A，第一行星齿轮521A通过第二滑动环62A与第一喷臂副体30A连接为一体。第二齿轮组53A由双数级齿轮构成，例如二级和四级，其中，最靠外的为第二行星齿轮531A，第二行星齿轮531A通过第三滑动环63A与第二喷臂副体40A连接为一体。而除了第一行星齿轮521A和第二行星齿轮531A之外，其他行星齿轮均为传动齿轮532A。喷臂主体20A作为第一行星齿轮521A和第二行星齿轮531A的行星架，随着第一行星齿轮521A和第二行星齿轮531A的自转，喷臂主体20A连同两个行星齿轮绕着喷臂座10A中心轴进行公转。
参照图2，第一行星齿轮521A套设在第二滑动环62A的外侧且与第二滑动环62A卡接相连，而第一喷臂副体30A与第二滑动环62A的外圈卡接相连以带动第二滑动环62A一起转动，第二滑动环62A套设在喷臂主体20A的第一定位轴211A上且可与第一行星齿轮521A、第一喷臂副体30A一起绕第一定位轴211A的中心轴线转动；第二行星齿轮531A套设在第三滑动环63A的外侧且与第三滑动环63A卡接相连，而第二喷臂副体40A与第三滑动环63A的外圈卡接相连以带动第三滑动环63A一起转动，第三滑动环63A套设在喷臂主体20A上的第二定位轴221A上且可与第二行星齿轮531A、第二喷臂副体40A一起绕第二定位轴221A的中心轴线转动，中心齿轮51A设在第一行星齿轮521A与第二行星齿轮531A之间且与喷臂座10A的第一端固定连接。
当喷臂组件100A工作时，第一喷臂副体30A和第二喷臂副体40A在喷出的洗涤水的反向驱动下开始自转，即第一喷臂副体30A绕第一定位轴211A的中心轴线转动，第二喷臂副体40A绕第二定位轴221A的中心轴线转动，与此同时，第一喷臂副体30A和第二喷臂副体40A分别带动第一行星齿轮521A和第二行星齿轮531A开始自转，由于第一行星齿轮521A和第二行星齿轮531A分别与中心齿轮51A啮合传动，而中心齿轮51A固设在喷臂座10A的上端，因此，第一行星齿轮521A和第二行星齿轮531A分别沿中心齿轮51A的周向转动，从而实现喷臂主体20A的自转，即实现第一喷臂副体30A和第二喷臂副体40A的公转的目的。
可选地，根据本发明的一个实施例，齿轮组件50A还包括传动齿轮532A，传动齿轮532A与第一行星齿轮521A和中心齿轮51A啮合和/或与第二行星齿轮531A和中心齿轮51A啮合。如图8所示，在本实施例中，传动齿轮532A设在第二行星齿轮531A与中心齿轮51A之间且分别与第二行星齿轮531A、中心齿轮51A啮合，通过在中心齿轮51A与第一行星齿轮521A 之间设置传动齿轮532A，可以保证喷臂组件100A在一定宽度尺寸范围内、改变齿轮组件50A的第二齿轮组53A的传动比，并且可以起到传递运动和动力的作用，实现第二行星齿轮531A与中心齿轮51A的传动，保证该喷臂组件100A的洗涤效果。
在本发明的一些具体示例，第一行星齿轮521A和第二行星齿轮531A的齿数相等。由于齿轮组件50A相互啮合，因此，第一行星齿轮521A与第二行星齿轮531A的模数也相等，即第一行星齿轮521A和第二行星齿轮531A的分度圆直径相等。进一步地，中心齿轮51A的齿数与第一行星齿轮521A和第二行星齿轮531A的齿数比为2:1。具体地，第一行星齿轮521A与中心齿轮51A直接啮合传动，第二行星齿轮531A与中心齿轮51A之间设有传动齿轮532A且传动齿轮532A分别与第二行星齿轮531A和中心齿轮51A直接啮合传动，由于第一行星齿轮521A与第二行星齿轮531A的齿数比为1：1，中心齿轮51A的齿数与第一行星齿轮521A的齿数比为2：1，因此，中心齿轮51A的分度圆直径为第一行星齿轮521A或者第二行星齿轮531A的分度圆直径的两倍。
可选地，中心齿轮51A、第一行星齿轮521A、第二行星齿轮531A和传动齿轮532A的中心位于同一直线上。即两组行星齿轮分设中心齿轮51A的两侧，都是外啮合关系，由于中心齿轮51A是固定的，从而可知第一行星齿轮521A的自转方向和公转方向相同，第二行星齿轮531A的自转方向和公转方向相反。
具体地，若第一行星齿轮521A在其上的多个第一喷射孔302A喷出的洗涤水的反向作用力、绕第一定位轴211A的中心轴线顺时针旋转，由于中心齿轮51A固定不动，而第一行星齿轮521A与中心齿轮51A为外啮合关系，因此，喷臂主体20A开始绕喷臂座10A的中心轴线顺时针转动，与此同时，中心齿轮51A与第二行星齿轮531A之间的传动齿轮532A同样绕自身中心轴线顺时针转动，由于第二行星齿轮531A与传动齿轮532A为外啮合关系，因此第二行星齿轮531A与传动齿轮532A的转动方向相反，即第二行星齿轮531A绕第二定位轴221A的中心轴线逆时针转动。
再者，将中心齿轮51A、第一行星齿轮521A、第二行星齿轮531A和传动齿轮532A的中心设置在同一直线上，有利于减小喷臂组件100A的宽度尺寸，增加喷臂组件100A的洗涤区域的长度范围，从而实现长方形、无死角的洗涤区域。
这里需要说明的是，第一行星齿轮521A上的第一喷射孔302A的设置方向、第二行星齿轮531A上的第二喷射孔402A的设置方向与传动齿轮532A的个数和设置位置相关，若第一行星齿轮521A与中心齿轮51A之间设置的传动齿轮532A的个数为偶数，而第二行星齿轮531A与中心齿轮51A之间设置的传动齿轮532A的个数为奇数，则第一喷射孔302A和第二喷射孔402A的设置方向相反，即第一喷臂副体30A和第二喷臂副体40A的自转方向相反，具体可以根据设计需求改变传动齿轮532A的个数和设置位置。
可选地，根据本发明的一个实施例，中心齿轮51A的分度圆半径R1与第一行星齿轮521A和第二行星齿轮531A的分度圆半径R2的比值为2:1。第一行星齿轮521A的公转轨迹半径R3＝(2N+1)R2，N为第一齿轮组52A的传动级数，第二行星齿轮531A的公转轨迹半径R4＝(2M+1)R2，M为第二齿轮组53A的传动级数。
例如，中心齿轮51A具有72个齿，第一行星齿轮521A和第二行星齿轮531A均具有36个齿。可知，中心齿轮51A的分度圆半径R1和第一行星齿轮521A的分度圆半径R2的比值也是2:1，第一行星齿轮521A的公转轨迹半径R3等于第一行星齿轮521A的分度圆半径R2的(2N+1)倍，其中，N为第一齿轮组52A传动级数，例如一级和三级；第二行星齿轮531A的公转轨迹半径R4等于第一行星齿轮521A的分度圆半径R2的(2M+1)倍，其中，M为第二齿轮组53A传动级数，例如两级和四级。因此，如图2所示，在本实施例中，第一行星齿轮521A的公转轨迹半径R1等于第一行星齿轮521A的分度圆半径的三倍，第二行星齿轮531A的公转半径R4等于第一行星齿轮521A的分度圆半径R2的5倍。
其中，根据本发明的一个实施例，第一喷臂副体30A的自转与公转方向相同，且自转与公转的转速比为3:1。进一步地，第一喷臂副体30A上设有多个中心共线的第一喷射孔302A，第一喷射孔302A自转与公转的运动轨迹线的相位差角度，等于两个第一喷射孔302A与第一喷臂副体转轴33A连线之间相位差角度的1/2。
具体地，中心齿轮51A与第一行星齿轮521A为外啮合关系，并且中心齿轮51A的齿数与第一行星齿轮521A和第二行星齿轮531A的齿数比为2:1。根据中心齿轮51A和第一行星齿轮521A组的齿数比和啮合关系，可知第一喷臂副体30A的自转与公转方向相同，转速比为3:1，第一喷臂副体30A上的第一喷射孔302A运动形成的轨迹将呈现为长幅的双弧外摆线，两个运动轨迹线的相位差角度，等于两个第一喷射孔302A与第一喷臂副体转轴33A连线之间相位差角度的1/2。
第一喷射孔302A形成了具有特征的外摆线运动轨迹，如图10和图11所示：对于相对靠外的第一喷射孔302A，第一喷射孔302A距离第一喷臂副体转轴33A大于第一行星齿轮521A的公转半径R3的1/3，其运动轨迹为长幅的双弧外摆线；随着喷射孔位置向内移动，运动轨迹线整个向内缩，中间位置的两个内绕圈也逐渐缩小；当第一喷射孔302A到第一喷臂副体转轴33A的距离等于第一行星齿轮521A的公转半径R3的1/3时，内绕圈刚好消失，变成两个尖角，此时，运动轨迹线为肾形线。
可选地，根据本发明的一个实施例，第一喷臂副体30A包括位于第一喷臂副体转轴33A的中心轴线两侧的长臂31A和短臂32A，长臂31A和短臂32A上分别设有第一喷射孔302A。参照图5，第一喷臂副体30A形成直线形，其中，第一喷臂副体30A具有位于第一喷臂副体转轴33A两侧的长臂31A和短臂32A，长臂31A和短臂32A上分别设有多个间隔开布置的第 一喷射孔302A。
其中，长臂31A上的第一喷射孔302A与短臂32A上的第一喷射孔302A的运动轨迹线的相位差为长臂31A与短臂32A之间的相位差的1/2。具体地，第一喷臂副体30A的长臂31A和短臂32A上的第一喷射孔302A的运动轨迹线的相位差为长臂31A与短臂32A之间的相位差180°的1/2，即为90°。如图10和图11所示，长臂31A上的第一喷射孔302A的运动轨迹呈前后朝向的运动轨迹线，短臂32A上的第一喷射孔302A的运动轨迹呈左右朝向的运动轨迹线，两者能够交织成更加全面的覆盖喷洗。
其中，根据本发明的一个实施例，第二喷臂副体40A的自转与公转方向相反，且自转与公转的转速比为1:1。进一步地，第二喷臂副体40A上设有多个中心共线的第二喷射孔402A，第二喷射孔402A自转与公转的运动轨迹线的相位差角度，等于两个第二喷射孔402A与第二喷臂副体转轴42A连线之间相位差角度的1/2。
具体地，中心齿轮51A与第二行星齿轮531A为外啮合关系，并且中心齿轮51A的齿数与第二行星齿轮531A和第二行星齿轮531A的齿数比为2:1，根据中心齿轮51A和第二行星齿轮531A的齿数比和啮合关系，可知第二喷臂副体40A连同第二行星齿轮531A的自转与公转方向相反，转速比为1:1，第二喷臂副体40A上的第二喷射孔402A运动形成的轨迹将呈现为扁平的椭圆线，两个运动轨迹线的相位差角度，等于两个第二喷射孔402A与第二喷臂副体转轴42A连线之间相位差角度的1/2。
第二喷射孔402A的运动轨迹大致形成为椭圆形，如图12所示：越是靠外的喷射孔，形成椭圆轨迹越是扁平细长；随着喷射孔位置向内移动，运动轨迹线两端逐渐内收，中间逐渐外张，整体逐渐变圆，第二喷射孔402A主要是用于覆盖边角位置的洗涤区域。
可选地，根据本发明的一个实施例，第二喷臂副体40A包括两支互相对称的喷臂41A，每个喷臂41A上分别设有位置相同的第二喷射孔402A。具体地，如图6所示，第二喷臂副体40A大致形成V形，也就是说，第二喷臂副体40A具有两个对称设置的喷臂41A，每个喷臂41A上分别设有多个间隔开布置的第二喷射孔402A，每个喷臂41A上的第二喷射孔402A的位置一一对应。
两个喷臂41A上的第二喷射孔402A的运动轨迹线的相位差为两个喷臂41A之间的相位差的1/2，且两个第二喷臂41A上的第二喷射孔402A的运动轨迹线的相位差等于洗碗机内两条对角线夹角角度。具体地，两个喷臂41A上的多个第二喷射孔402A的洗涤区域分别对应覆盖洗碗机内两条对角线的区域。两个喷臂41A上的第二喷射孔402A的运动轨迹线的相位差为两支喷臂41A之间的相位差的1/2，同时，两个喷臂41A上的第二喷射孔402A运动轨迹线的相位差等于洗碗机内两条对角线夹角角度，具体数值可以根据洗碗机尺寸设定，因此，第二喷臂副体40A能够很好地覆盖洗碗机内四个边角位置的洗涤。
综上所述，本发明实施例的用于洗碗机的喷臂组件100A具有两个喷臂副体，其中，第一喷臂副体30A能够覆盖喷臂组件100A的长方形洗涤区域中除四个边角外的大部分区域，包括前后位置的中间区域；而第二喷臂副体40A则是主要补充覆盖喷臂组件100A的长方形洗涤区域的四个边角位置的区域，两个喷臂副体的两组轨迹线结合交织，实现了对长方形洗涤区域的覆盖，从而解决了相关技术中的洗碗机由于前后位置洗涤不良而造成整体洗净不佳的问题。
下面结合具体实施例对本发明实施例的用于洗碗机的喷臂组件100A进行描述。
如图1至图9所示，用于洗碗机的喷臂组件100A主要由喷臂座10A、喷臂主体20A、第一喷臂副体30A、第二喷臂副体40A、第一行星齿轮521A、第二行星齿轮531A、中心齿轮51A、传动齿轮532A、第一滑动环61A、第二滑动环62A、第三滑动环63A组成。
其中，如图2和图4所示，喷臂座10A形成沿竖直方向(如图2所示的上下方向)延伸的柱状，喷臂座10A内限定有两端导通且沿其轴向延伸水流通道101A，喷臂座10A的下端设有与水流通道101A导通的进水口102A，喷臂座10A的上端的侧壁设有沿其周向延伸的第一出水口103A，而喷臂座10A的侧壁还设有第一滑动配合槽104A，该第一滑动配合槽104A形成沿喷臂座10A的周向延伸的环形且位于第一出水口103A的下方，喷臂座10A的上端具有位于第一出水口103A上方的花键配合部11A。
如图2和图5所示，喷臂主体20A可转动地设在喷臂座10A上且可以绕喷臂座10A的中心轴线转动，喷臂主体20A形成布置在水平面内的长条板件，喷臂主体20A内限定有与水流通道101A导通的第一内腔201A，喷臂主体20A主要由位于喷臂主体20A的中心轴线两侧的主翼21A和副翼22A组成，其中，主翼21A的上表面设有第一定位轴211A，第一定位轴211A的中部设有与第一内腔201A导通的第二出水口210A，第一定位轴211A的侧壁设有第二滑动配合槽212A，第二滑动配合槽212A形成沿第一定位轴211A的周向延伸的环形，副翼22A的上表面设有第二定位轴221A，第二定位轴221A的中部设有与第一内腔201A导通的第三出水口220A，第二定位轴221A的侧壁设有第三滑动配合槽222A，第三滑动配合槽222A形成沿第二定位轴221A的周向延伸的环形，喷臂主体20A的下表面设有第一通孔202A，喷臂座10A的上端通过第一通孔202A、伸入第一内腔201A内，且穿过主翼21A与副翼22A的连接位置处的上表面。
如图2和图8所示，第一滑动环61A套设在喷臂座10A上且与喷臂座10A上的第一滑动配合槽104A可枢转地相连，第一滑动环61A与喷臂主体20A卡接相连，以随喷臂主体20A一起绕喷臂座10A的中心轴线转动，第二滑动环62A套设在第一定位轴211A上且与第二滑动配合槽212A可枢转地配合，第三滑动环63A套设在第二定位轴221A上且与第三滑动配合槽222A可枢转地配合。
如图2和图9所示，中心齿轮51A设在喷臂主体20A的上方且伸出喷臂主体20A的上表面的喷臂座10A固定相连，具体地，中心齿轮51A的中部设有定位槽511A，喷臂座10A的上端的花键配合部11A与定位槽511A卡接相连，以使中心齿轮51A与喷臂座10A固定相连，保证中心齿轮51A在喷臂组件100A工作时不发生转动。第一行星齿轮521A套设在第二滑动环62A的外侧且与第二滑动环62A卡接相连以保证第一行星齿轮521A与第二滑动环62A一起绕第一定位轴211A的中心轴线转动。第二行星齿轮531A套设在第三滑动环63A的外侧且与第三滑动环63A卡接相连以保证第二行星齿轮531A与第三滑动环63A一起绕第二定位轴221A的中心轴线转动。传动齿轮532A可转动地设在喷臂主体20A上且位于中心齿轮51A与第二行星齿轮531A之间，传动齿轮532A分别与中心齿轮51A和第二行星齿轮531A啮合传动。
如图2和图6所示，第一喷臂副体30A形成为布置在水平面内的长条状，第一喷臂副体30A内限定有沿其长度方向延伸的第二内腔301A，第一喷臂副体30A的下表面设有第一喷臂副体转轴33A，第一喷臂副体转轴33A的中部具有与第二内腔301A导通的第二通孔303A，喷臂主体20A的第一定位轴211A伸入第二通孔303A内且与第一喷臂副体30A可枢转地相连，具体地，第一喷臂副体转轴33A与第二滑动环62A卡接相连，以带动第二滑动环62A一起转动，第一喷臂副体30A的位于其旋转轴线的一侧为长臂31A，第一喷臂副体30A的位于其旋转轴线的另一侧为短臂32A，长臂31A和短臂32A上分别设有沿其长度方向延伸且与第二内腔301A导通的第一喷射孔302A。
如图2和图7所示，第二喷臂副体40A形成布置在水平面上的V形，第二喷部副体内限定有沿其长度方向延伸的第三内腔401A，第二喷臂副体40A的下表面设有第二喷臂副体转轴42A，第二喷臂副体转轴42A的中部具有与第三内腔401A导通的第三通孔403A，喷臂主体20A的第二定位轴221A伸入第三通孔403A内且与第二喷臂副体40A可枢转地相连，具体地，第二喷臂副体转轴42A与第三滑动环63A卡接相连，以带动第三滑动环63A一起转动，第二喷臂副体40A具有两个相互对称设置的喷臂41A，每个喷臂41A上设有多个沿其长度方向间隔开布置的第二喷射孔402A，两个喷臂41A上的多个第二喷射孔402A的位置一一对应。
本实施例中，第一行星齿轮521A、中心齿轮51A、传动齿轮532A和第二行星齿轮531A的中心共线排列，第一行星齿轮521A和第二行星齿轮531A分别设在中心齿轮51A的两侧。进一步地，第一行星齿轮521A和传动齿轮532A分别与中心齿轮51A外啮合，传动齿轮532A再与第二行星齿轮531A外啮合。由于中心齿轮51A是固定的，从而可知第一行星齿轮521A和传动齿轮532A的自转方向和公转方向相同，第二行星齿轮531A的自转方向和公转方向相反。
喷臂组件100A工作时，洗涤水从喷臂座10A的进水口102A依次进入喷臂座10A的水流 通道101A、喷臂主体20A的第一内腔201A，然后分别从第二出水口210A和第三出水口220A流出喷臂主体20A，并分两路进入第一喷臂副体30A的第二内腔301A和第二喷臂副体40A的第三内腔401A内，最终从第一喷臂副体30A上的多个第一喷射孔302A和第二喷臂副体40A上的多个第二喷射孔402A喷出，在喷出的洗涤水的反向作用力下，第一喷臂副体30A和第二喷臂副体40A分别绕其对应位置上的转轴的中心轴线转动，与此同时，在第一喷臂副体30A和第二喷臂副体40A分别带动第一行星齿轮521A和第二行星齿轮531A自转，由于中心齿轮51A固定在喷臂主体20A上，而第一行星齿轮521A与中心齿轮51A直接外啮合，第二行星齿轮531A通过传动齿轮532A与中心齿轮51A啮合，使得喷臂主体20A绕中心齿轮51A的中心线转动，最终洗涤水从第一喷射孔302A和第二喷射孔402A喷出，形成的洗涤区域叠加大致形成矩形。
其中，第一行星齿轮521A、第二行星齿轮531A和传动齿轮532A相同，即模数和齿数都是一样的。中心齿轮51A和第一行星齿轮521A、第二行星齿轮531A和传动齿轮532A的齿数比为2:1，具体为中心齿轮51A具有72个齿，第一行星齿轮521A、第二行星齿轮531A和传动齿轮532A均具有36个齿。可知，中心齿轮51A的分度圆半径R1和第一行星齿轮521A、第二行星齿轮531A和传动齿轮532A的分度圆半径R2的比值也是2:1，具体为R1等于57mm，R2等于28.5mm。第一行星齿轮521A和传动齿轮532A的公转轨迹半径R3等于85.5mm，第二行星齿轮531A的公转轨迹半径R4等于142.5mm。
喷臂主体20A作为第一行星齿轮521A、第二行星齿轮531A和传动齿轮532A的行星架，随着第一行星齿轮521A、第二行星齿轮531A和传动齿轮532A的自转，喷臂主体20A连同第一行星齿轮521A、第二行星齿轮531A绕着喷臂座10A的中心轴线进行公转。
根据中心齿轮51A和第一行星齿轮521A的齿数比和啮合关系，可知第一行星齿轮521A的分度圆在中心齿轮51A的分度圆外进行滚动运动，使得第一喷臂副体30A的自转与公转方向相同，转速比为3:1。第一喷臂副体30A的长臂31A和短臂32A上的第一喷射孔302A运动形成的轨迹将呈现为长幅的双弧外摆线，两个运动轨迹线的相位差角度，等于两个第一喷射孔302A与第一喷臂副体转轴33A连线之间相位差角度的1/2。第一喷射孔302A12形成了具有特征的外摆线运动轨迹，如图10所示：对于相对靠外的第一喷射孔302A，第一喷射孔302A距离第一喷臂副体转轴33A大于第一行星齿轮521A的公转半径R3的1/3，即大于28.5mm，其运动轨迹为长幅的双弧外摆线；随着第一喷射孔302A位置向内移动，运动轨迹线整个向内缩，中间位置的两个内绕圈也逐渐缩小；当第一喷射孔302A到第一喷臂副体转轴33A的距离等于第一行星齿轮521A的公转半径R3的1/3，即28.5mm时，内绕圈刚好消失，变成两个尖角，此时运动轨迹线为肾形线。第一喷臂副体30A长臂31A和短臂32A，其上的两组第一喷射孔302A运动轨迹线的相位差为长臂31A与短臂32A之间的相位差180° 的1/2，即为90°。如图10所示，长臂31A上的第一喷射孔302A的运动轨迹呈前后朝向的运动轨迹线，如图11所示，短臂32A上的第一喷射孔302A的运动轨迹呈左右朝向的运动轨迹线，因此，两组第一喷射孔302A能够交织成更加全面的覆盖喷洗。
根据中心齿轮51A、传动齿轮532A和第二行星齿轮531A的齿数比和啮合关系，可知传动齿轮532A的分度圆在中心齿轮51A的分度圆外进行滚动运动，使得第二喷臂副体40A连同第二行星齿轮531A的自转与公转方向相反，转速比为1:1。第二喷射孔402A运动形成的轨迹将呈现为扁平的椭圆线，两个运动轨迹线的相位差角度，等于两个第二喷射孔402A与第二喷臂副体转轴42A连线之间相位差角度的1/2。
第二喷射孔402A形成了具有特征的椭圆线运动轨迹，如图12所示：越是靠外的第二喷射孔402A，形成椭圆轨迹越是扁平细长；随着第二喷射孔402A位置向内移动，运动轨迹线两端逐渐内收，中间逐渐外张，整体逐渐变圆。第二喷射孔402A主要是用于覆盖边角位置的洗涤区域。第二喷臂副体40A包括两支喷臂41A，两者设有相同的第二喷射孔402A，分别对应覆盖洗碗机内两条对角线的区域。两组第二喷射孔402A运动轨迹线的相位差为两支喷臂41A之间的相位差的1/2，同时两组第二喷射孔402A运动轨迹线的相位差等于洗碗机内两条对角线夹角角度，本实施例中具体为70°。因此，第二喷臂副体40A2能够很好地覆盖洗碗机内四个边角位置的洗涤。
本实施例的用于洗碗机的喷臂组件100A具有两个喷臂副体，其中第一喷臂副体30A能够覆盖长方形中除四个边角外的大部分区域，包括前后位置的中间区域；而第二喷臂副体40A则是主要补充覆盖四个边角位置的区域。如图13所示，两个喷臂副体的两组轨迹线结合交织，基本完全地实现了对长方形洗涤区域的覆盖，从而解决了相关技术中的洗碗机由于前后位置洗涤不良、而造成整体洗净不佳的现象，洗涤效果好。
根据本发明第二方面实施例的洗碗机(未示出)，包括根据上述实施例的用于洗碗机的喷臂组件100A。由于根据本发明实施例的用于洗碗机的喷臂组件100A具有上述技术效果，因此，根据本申请实施例的洗碗机也具有上述技术效果，即该洗碗机的结构简单，各部件连接可靠，装拆方便，可以实现长方形的洗涤区域，洗涤效果好，洗涤效率高，用户体验好。
根据本发明实施例的洗碗机的其他构成以及操作对于本领域普通技术人员而言都是已知的，这里不再详细描述。
在本发明的描述中，需要理解的是，术语“中心”、“纵向”、“横向”、“长度”、“宽度”、“厚度”、“上”、“下”、“前”、“后”、“左”、“右”、“竖直”、“水平”、“顶”、“底”“内”、“外”、“顺时针”、“逆时针”等指示的方位或位置关系为基于附图所示的方位或位置关系，仅是为了便于描述本发明和简化描述，而不是指示或暗示所指的装置或元件必须具有特定的方位、以特定的方位构造和操作，因此不能理解为对本发明的限制。
在本说明书的描述中，参考术语“一个实施例”、“一些实施例”、“示例”、“具体示例”、或“一些示例”等的描述意指结合该实施例或示例描述的具体特征、结构、材料或者特点包含于本发明的至少一个实施例或示例中。在本说明书中，对上述术语的示意性表述不一定指的是相同的实施例或示例。而且，描述的具体特征、结构、材料或者特点可以在任何的一个或多个实施例或示例中以合适的方式结合。
尽管上面已经示出和描述了本发明的实施例，可以理解的是，上述实施例是示例性的，不能理解为对本发明的限制，本领域的普通技术人员在不脱离本发明的原理和宗旨的情况下在本发明的范围内可以对上述实施例进行变化、修改、替换和变型。

Claims (23)

  1. 一种用于洗碗机的喷臂组件，其特征在于，包括：
    喷臂座，所述喷臂座限定出水流通道，所述喷臂座的一端设有与所述水流通道连通的进水口，所述喷臂座的另一端设有与所述水流通道连通的第一出水口；
    喷臂主体，所述喷臂主体设在所述喷臂座的另一端且绕所述喷臂座的中心轴线转动，所述喷臂主体内限定出与所述第一出水口导通的第一内腔，所述喷臂主体包括位于所述喷臂座的中心轴线两侧的主翼和副翼，所述主翼和所述副翼上分别设有与所述第一内腔导通的第二出水口和第三出水口；
    第一喷臂副体，所述第一喷臂副体设在所述喷臂主体上，所述第一喷臂副体内限定出与所述第二出水口导通的第二内腔，所述第一喷臂副体上设有第一喷臂副体转轴以及与所述第二内腔导通的第一喷射孔，所述第一喷臂副体绕所述第一喷臂副体转轴的中心轴线可转动；
    第二喷臂副体，所述第二喷臂副体设在所述喷臂主体上，所述第二喷臂副体内限定出与所述第三出水口导通的第三内腔，所述第二喷臂副体上设有第二喷臂副体转轴以及与所述第二内腔导通的第二喷射孔，所述第二喷臂副体绕所述第二喷臂副体转轴的中心轴线可转动，所述第一喷射孔和所述第二喷射孔的运动轨迹叠加限定出大致为矩形的洗涤区域；
    齿轮组件，所述齿轮组件与所述喷臂主体、所述第一喷臂副体和所述第二喷臂副体相连以驱动所述喷臂主体和所述喷臂副体转动。
  2. 根据权利要求1所述的用于洗碗机的喷臂组件，其特征在于，所述水流通道沿所述喷臂座的轴向方向延伸，所述第一出水口设在所述喷臂座的另一端的侧壁上。
  3. 根据权利要求1所述的用于洗碗机的喷臂组件，其特征在于，还包括：第一滑动环，所述喷臂座上设有第一滑动配合槽，所述第一滑动环可转动地套设在所述第一滑动配合槽上，所述喷臂主体上设有第一通孔，所述第一通孔的外周沿向下延伸并与所述第一滑动环相连。
  4. 根据权利要求3所述的用于洗碗机的喷臂组件，其特征在于，还包括：
    第二滑动环，所述喷臂主体上设有与所述第二出水口连通的第一定位轴，所述第一定位轴上设有第二滑动配合槽，所述第二滑动环可转动地套设在所述第二滑动配合槽上，所述第一喷臂副体转轴的一端设有第二通孔，所述第二通孔的外周沿向下延伸并与所述第二滑动环相连，所述齿轮组件与所述第二滑动环相连；
    第三滑动环，所述喷臂主体上设有与所述第三出水口连通的第二定位轴，所述第二定位轴上设有第三滑动配合槽，所述第三滑动环可转动地套设在所述第三滑动配合槽上，所述第二喷臂副体转轴的一端设有第三通孔，所述第三通孔的外周沿向下延伸并与所述第三滑动环 相连，所述齿轮组件与所述第三滑动环相连。
  5. 根据权利要求4所述的用于洗碗机的喷臂组件，其特征在于，所述齿轮组件包括：
    中心齿轮，所述中心齿轮设有定位槽，所述喷臂座的另一端设有配合部，所述配合部与所述第一滑动环相连，所述配合部穿过所述第一通孔伸入所述定位槽内与所述中心齿轮相连；
    第一齿轮组，所述第一齿轮组与所述中心齿轮啮合且与所述第二滑动环相连以由所述第二滑动环驱动；
    第二齿轮组，所述第二齿轮组与所述中心齿轮啮合且与所述第三滑动环相连以由所述第三滑动环驱动。
  6. 根据权利要求5所述的用于洗碗机的喷臂组件，其特征在于，所述第一齿轮组的齿轮个数为奇数，所述第二齿轮组的齿轮个数为偶数。
  7. 根据权利要求6所述的用于洗碗机的喷臂组件，其特征在于，所述第一齿轮组包括位于所述喷臂主体外侧的第一行星齿轮，所述第一行星齿轮与所述第二滑动环相连且由所述第二滑动环驱动，所述第一行星齿轮与所述中心齿轮传动；所述第二齿轮组包括位于所述喷臂主体外侧的第二行星齿轮，所述第二行星齿轮与所述第三滑动环相连且由所述第三滑动环驱动，所述第二行星齿轮与所述中心齿轮传动。
  8. 根据权利要求7所述的用于洗碗机的喷臂组件，其特征在于，还包括：传动齿轮，所述传动齿轮与所述第一行星齿轮和所述中心齿轮啮合和/或与所述第二行星齿轮和所述中心齿轮啮合。
  9. 根据权利要求8所述的用于洗碗机的喷臂组件，其特征在于，所述第一行星齿轮和所述第二行星齿轮的齿数相等。
  10. 根据权利要求9所述的用于洗碗机的喷臂组件，其特征在于，所述中心齿轮的齿数与所述第一行星齿轮和所述第二行星齿轮的齿数比为2:1。
  11. 根据权利要求10所述的用于洗碗机的喷臂组件，其特征在于，所述中心齿轮、所述第一行星齿轮、所述第二行星齿轮和所述传动齿轮的中心位于同一直线上。
  12. 根据权利要求9所述的用于洗碗机的喷臂组件，其特征在于，所述中心齿轮的分度圆半径R1与所述第一行星齿轮和所述第二行星齿轮的分度圆半径R2的比值为2:1。
  13. 根据权利要求12所述的用于洗碗机的喷臂组件，其特征在于，所述第一行星齿轮的公转轨迹半径R3＝(2N+1)R2，N为所述第一齿轮组的传动级数，所述第二行星齿轮的公转轨迹半径R4＝(2M+1)R2，M为所述第二齿轮组的传动级数。
  14. 根据权利要求13所述的用于洗碗机的喷臂组件，其特征在于，所述第一喷臂副体的自转与公转方向相同，且自转与公转的转速比为3:1。
  15. 根据权利要求14所述的用于洗碗机的喷臂组件，其特征在于，所述第一喷臂副体上设有多个中心共线的所述第一喷射孔，所述第一喷射孔自转与公转的运动轨迹线的相位差角度，等于两个所述第一喷射孔与所述第一喷臂副体转轴连线之间相位差角度的1/2。
  16. 根据权利要求15所述的用于洗碗机的喷臂组件，其特征在于，所述第一喷臂副体包括位于所述第一喷臂副体转轴的中心轴线两侧的长臂和短臂，所述长臂和所述短臂上分别设有所述第一喷射孔。
  17. 根据权利要求16所述的用于洗碗机的喷臂组件，其特征在于，所述长臂上的所述第一喷射孔与所述短臂上的所述第一喷射孔的运动轨迹线的相位差为所述长臂与所述短臂之间的相位差的1/2。
  18. 根据权利要求13所述的用于洗碗机的喷臂组件，其特征在于，所述第二喷臂副体的自转与公转方向相反，且自转与公转的转速比为1:1。
  19. 根据权利要求18所述的用于洗碗机的喷臂组件，其特征在于，所述第二喷臂副体上设有多个中心共线的所述第二喷射孔，所述第二喷射孔自转与公转的运动轨迹线的相位差角度，等于两个所述第二喷射孔与所述第二喷臂副体转轴连线之间相位差角度的1/2。
  20. 根据权利要求18所述的用于洗碗机的喷臂组件，其特征在于，所述第二喷射孔的运动轨迹大致形成为椭圆形。
  21. 根据权利要求18所述的用于洗碗机的喷臂组件，其特征在于，所述第二喷臂副体包括两支互相对称的喷臂，每个所述喷臂上分别设有位置相同的所述第二喷射孔。
  22. 根据权利要求21所述的用于洗碗机的喷臂组件，其特征在于，两个所述喷臂上的所述第二喷射孔的运动轨迹线的相位差为两个所述喷臂之间的相位差的1/2，且两个所述第二喷臂上的所述第二喷射孔的运动轨迹线的相位差等于所述洗碗机内两条对角线夹角角度。
  23. 一种洗碗机，其特征在于，包括权利要求1-22中任一项所述的用于洗碗机的喷臂组件。
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