WO2017213355A1 - 식기 세척기 - Google Patents
식기 세척기 Download PDFInfo
- Publication number
- WO2017213355A1 WO2017213355A1 PCT/KR2017/004997 KR2017004997W WO2017213355A1 WO 2017213355 A1 WO2017213355 A1 WO 2017213355A1 KR 2017004997 W KR2017004997 W KR 2017004997W WO 2017213355 A1 WO2017213355 A1 WO 2017213355A1
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- WO
- WIPO (PCT)
- Prior art keywords
- arm
- auxiliary
- link
- injection
- main
- Prior art date
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Classifications
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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
- A47L15/42—Details
- A47L15/4278—Nozzles
-
- 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
- A47L15/4278—Nozzles
- A47L15/4282—Arrangements to change or modify spray pattern or direction
-
- 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
- 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
Definitions
- the present invention relates to a dishwasher, and more particularly, to a dishwasher that can improve the washing efficiency by improving the spray arm structure of the dishwasher.
- a dishwasher is a device that cleans dirt, such as food residues, on dishware or cooking utensils (hereinafter referred to as 'to be cleaned') using detergent and washing water.
- the dishwasher is provided with a washing tank providing a washing space, a rack provided in the washing tank to accommodate washing objects, a spraying arm spraying the washing water to the rack, a sump storing the washing water, and a washing water stored in the sump to the spraying arm. It is common to include a supply channel.
- the dishwasher performs washing of the dishes by spraying the washing water evenly to the object to be washed through the rotation of the injection arm for spraying the washing water.
- the injection arm for spraying the washing water rotates, it is separated from the washing water injection of the injection arm according to the rotation of the injection arm by using the rotational force of the injection arm, and the washing water is reciprocated (rolling) along the arc of the injection arm.
- Dishwashers have been developed to further improve the cleaning power by providing an auxiliary arm to spray.
- the dish washing machine disclosed in the prior literature has a structure in which the washing water is sprayed upward through the nozzle of the spraying arm accommodated in the washing tank.
- the problem to be solved by the present invention is to provide a dish washer to improve the structure of the injection arm of the dish washing machine to increase the spraying area and the washing efficiency of the washing water sprayed by the injection arm.
- an object of the present invention is to provide a dishwasher capable of rotating the injection arm by using the thrust by the washing water injection without a separate driving device.
- a problem to be solved by the present invention is a dishwasher having a main arm constituting the injection arm and an auxiliary arm rotatably mounted to the main arm to change the injection angle of the auxiliary arm according to the rotation of the injection arm.
- the purpose is to provide.
- an object of the present invention is to provide a main arm constituting the injection arm and an auxiliary arm rotatably mounted to the main arm to reciprocally rotate the auxiliary arm using the rotational force of the main arm.
- the problem to be solved by the present invention is provided with a main arm constituting the injection arm and an auxiliary arm rotatably mounted to the main arm, the rotation of the main arm is constrained to the rotation of the auxiliary arm, but the auxiliary arm becomes impossible Even if the main arm is intended to be rotatable.
- Dishwasher for achieving the above object is a spray arm for spraying the washing water to the washing object, a fixed gear portion is formed on the outer peripheral surface, and rotates in engagement with the gear of the fixed gear portion by the rotation of the injection arm
- the dishwasher further includes an eccentric protrusion which is provided at an eccentric position at the center of rotation of the eccentric gear portion and inserted into the link member, and the eccentric protrusion is inserted into the link member. It is preferable that an insertion portion having a long hole or a long hole shape is formed, and the eccentric protrusion is circularly moved by the rotation of the eccentric gear part to reciprocate the link member.
- the dishwasher further includes a guide protrusion which is provided on the main arm and inserted into the link member to guide the link member to linearly reciprocate. It is preferable that the guide portion is inserted.
- the link member includes a rim portion into which the injection arm holder coupling portion is inserted, a main extension portion extending from the rim portion and disposed below the pair of arms provided on the main arm, and extending from the rim portion. And an auxiliary extension disposed below each auxiliary arm.
- the injection arm may further include a gear rotation shaft into which the eccentric gear portion is inserted, the eccentric gear portion preferably includes a rotation shaft receiving portion into which the gear rotation shaft is inserted Do.
- the injection arm is rotated by the thrust generated as the washing water is injected from the injection port formed in the main arm or each auxiliary arm can rotate the main arm without a separate driving device.
- the dishwasher according to the present invention for achieving the above object is provided with a washing tank in which a space for washing objects is formed, rotatably provided in the washing tank, the main arm for spraying the washing water to the washing object;
- An auxiliary arm rotatably provided on the main arm, an auxiliary arm spraying washing water to the washing object, a fixed gear part fixed to the inside of the washing tank to rotatably support the main arm, and having a gear formed on an outer circumferential surface thereof;
- An eccentric gear part rotatably mounted to the arm and engaged with the fixed gear part, and rotated by rotation of the main arm, and supported by the main arm so as to be movable, the rotational force of the eccentric gear part by the elastic force; It is preferable to have a link member which transmits to and rotates the auxiliary arm.
- the dishwasher according to the present invention is provided with a main arm constituting the injection arm and an auxiliary arm rotatably mounted to the main arm, thereby having an effect of varying the injection angle of the auxiliary arm according to the rotation of the injection arm. .
- the dishwasher according to the present invention is provided with a main arm constituting the injection arm and an auxiliary arm rotatably mounted to the main arm, thereby enabling the reciprocating rotation of the auxiliary arm using the rotational force of the main arm.
- the dishwasher according to the present invention includes a main arm constituting the injection arm and an auxiliary arm rotatably mounted to the main arm, the rotation of the main arm is constrained to the rotation of the auxiliary arm, but the auxiliary arm becomes impossible to rotate. Even if the main arm has an effect that can be rotated.
- FIG. 1 is a perspective view showing a dish washer according to an embodiment of the present invention.
- Figure 2 is a perspective view of the sump cover and the injection arm assembly of the dishwasher according to an embodiment of the present invention.
- Figure 3 is an exploded perspective view showing the injection arm assembly of the dishwasher according to an embodiment of the present invention.
- FIG. 5 is a plan view showing a main arm of the dishwasher according to an embodiment of the present invention.
- FIG. 6 is a cross-sectional view taken along line A′-A ′′ of FIG. 5.
- FIG. 7 is a bottom perspective view showing an upper housing of a main arm according to an embodiment of the present invention.
- FIG. 8 is a perspective view showing an auxiliary arm connection of the main arm according to an embodiment of the present invention.
- FIG. 9 is a perspective view showing the lower housing of the main arm according to an embodiment of the present invention.
- FIG. 10 is a bottom view of a lower housing of a main arm according to an embodiment of the present invention.
- FIG. 11 is an exploded perspective view showing an auxiliary arm according to an embodiment of the present invention.
- FIG. 12 is a plan view showing an auxiliary arm according to an embodiment of the present invention.
- FIG. 13 is a bottom view of an auxiliary arm according to an embodiment of the present invention.
- FIG. 14 is a cross-sectional view illustrating lines B′-B ′′ and C′-C ′′ of FIG. 13.
- 15 is a perspective view showing a fixed gear unit according to an embodiment of the present invention.
- 16 is a plan view showing a fixed gear unit according to an embodiment of the present invention.
- FIG. 17 is a cross-sectional view illustrating a line D′-D ′′ of FIG. 16.
- FIG. 18 is a perspective view showing the injection arm holder according to an embodiment of the present invention.
- 19 is a plan view showing the injection arm holder according to an embodiment of the present invention.
- 20 is a side view showing the injection arm holder according to an embodiment of the present invention.
- 21 is a bottom perspective view showing the injection arm holder according to an embodiment of the present invention.
- FIG. 22 is a perspective view showing a flow path switching unit according to an embodiment of the present invention.
- FIG. 23 is a rear perspective view showing a flow path switching unit according to an embodiment of the present invention.
- FIG. 24 is a cross-sectional view showing a fixed gear unit, the injection arm holder, the flow path switching unit according to an embodiment of the present invention.
- 25 to 26 are cross-sectional perspective views showing the operation of the flow path switching unit according to an embodiment of the present invention.
- FIG. 27 is a perspective view showing an eccentric gear unit according to an embodiment of the present invention.
- FIG. 28 is a bottom perspective view showing an eccentric gear unit according to an embodiment of the present invention.
- 29 is a plan view showing an eccentric gear unit according to an embodiment of the present invention.
- FIG. 30 is a cross-sectional view showing an eccentric gear unit according to an embodiment of the present invention.
- 31 is a plan view illustrating a fixed gear unit and an eccentric gear unit according to an embodiment of the present invention.
- FIG. 32 is a perspective view showing a link member according to an embodiment of the present invention.
- FIG 33 is a rear view showing a link member according to an embodiment of the present invention.
- 35 is an enlarged view illustrating a first elastic buffer part and a first auxiliary arm coupling part of a link member according to an embodiment of the present invention.
- FIG. 36 is a cross-sectional view taken along the line F′-F ′′ of FIG. 35.
- FIG. 37 is a cross-sectional view illustrating a line G′-G ′′ of FIG. 35.
- FIG. 38 is a bottom perspective view illustrating a coupling state of a link member according to an embodiment of the present invention.
- 39 is a plan view showing the operation of the link member according to an embodiment of the present invention.
- FIG 40 is a side view showing the operation of the secondary arm according to an embodiment of the present invention.
- 41 to 42 are conceptual views illustrating the spraying region of the spraying arm according to the embodiment of the present invention.
- 43 is a side view showing the injection of the auxiliary arm according to an embodiment of the present invention.
- first, second, A, B, (a), and (b) may be used. These terms are only for distinguishing the components from other components, and the nature, order or order of the components are not limited by the terms. If a component is described as being “connected”, “coupled” or “connected” to another component, that component may be directly connected or connected to that other component, but between components It will be understood that may be “connected”, “coupled” or “connected”.
- FIG. 1 is a perspective view showing a dish washer according to an embodiment of the present invention
- Figure 2 is a perspective view showing a sump and injection arm assembly of the dish washer according to an embodiment of the present invention
- Figure 3 is an embodiment of the present invention
- the dishwasher 1 according to the exemplary embodiment of the present invention includes a washing tank 10 in which a washing space is formed therein, a door 30 selectively opening and closing the washing space, and a washing tank 10.
- a washing tank 10 Is provided in the interior of the rack 40 to accommodate the washing object, the sump (not shown) provided in the interior of the washing tank 10, the washing water is stored, and is provided in the washing tank 10 accommodated in the rack 40 It may include an injection arm assembly 100 for spraying the washing water to the cleaning object.
- the rack 40 may be mounted to be pulled out toward the front of the washing tank 10.
- the rack 40 may be provided as an upper rack or a lower rack positioned at an upper or lower portion of the washing tank, and a user may draw out each rack 40 to the front of the washing tank to accommodate or withdraw the washing object.
- the sump may include a sump cover 50 and a filter 70 and a filter cover 60 for filtering foreign substances included in the washing water for washing the washing object provided in the sump cover 50.
- the sump may receive the washing water from the outside through the water supply pipe 80, and may drain the washing water sprayed into the washing tank 10 through a separate drain (not shown).
- a water pump (not shown) may be provided in the sump to deliver the washing water stored in the sump to the injection arm assembly 100.
- the sump cover 50, the washing water sprayed into the washing tank 10 is filtered by the filter 70 and the filter cover 60 provided in the sump cover, foreign matters such as food waste contained in the washing water.
- the wash water recovered into the sump through the filter 70 and the filter cover 60 may be circulated and supplied to the injection arm assembly 100 by a feed pump provided in the sump. That is, the washing water supplied through the water supply pipe 80 may be used a plurality of times.
- the filter cover 60 forms a part of the sump cover 50, and is preferably formed in the lower front of the washing tank (that is, the lower portion of the washing tank 10 adjacent to the door 30).
- the filter 70 is inserted into the filter cover 60 at the center of the filter cover 60.
- the filter cover 60 may be provided to be separated from the sump cover 50 like the filter 70 when the filter 70 is detached from the filter 70.
- the injection arm assembly 100 is rotatably inserted in the central portion of the filter cover 60 and the injection arm holder seating portion 53 for receiving the washing water is formed.
- a water supply hole 59 for supplying the washing water is formed, and both sides of the injection arm holder seating portion 53 are fixed gear portions 500 of the injection arm assembly 100 to be described later.
- a pair of coupling bosses 51 for fixing) are formed to protrude.
- a support boss 55 for supporting the injection arm holder 600 seated on the injection arm holder seating portion 53 is formed to protrude from the upper side of the injection arm holder seating portion 53.
- the support boss 55 is preferably extended to a predetermined height in order to prevent the washing water or foreign matter flowing into the sump cover 50 into the injection arm holder seating portion 53.
- a water supply hole 59 is formed at the center of the injection arm holder seat 53 to move the washing water, and an inner circumferential surface of the end of the water supply hole 59 is inserted into the injection arm holder seat 53.
- a mounting rib 57 is formed to correspond to the end shape of the 600 and is upwardly directed to the injection arm holder 600.
- the injection arm assembly 100 is mounted to the sump cover 50, as shown in Figure 3 is provided to spray the washing water stored in the sump to the washing object stored in the rack. Meanwhile, in the case of the dish washing machine 1 according to the present invention, in addition to the injection arm assembly 100, an upper injection arm (not shown) provided between the upper rack and the lower rack, and a top injection arm positioned above the upper rack (not shown) ) May be further provided.
- the injection arm assembly 100 and the injection arm 200 having a main arm 300 for spraying the washing water and auxiliary arms (400a, 400b) rotatably coupled to the main arm 300, and the injection;
- An injection arm holder 600 coupled to the lower part of the arm 200 to receive washing water from the sump cover 50 and rotatably supporting the injection arm 200, and fixed to the sump cover 50 to the injection arm
- the fixed gear part 500 prevents the holder 600 from being separated, and is rotatably coupled to the injection arm 200 and engaged with the fixed gear part 500 so that the injection arm 200 is rotated.
- the injection arm assembly 100 may be provided on the upper portion of the rack 40 as well as the lower portion of the rack 40, unlike shown.
- a plurality of spray arm assemblies 100 may be provided to spray washing water to the upper and lower portions of the rack 40, respectively.
- the injection arm 200 rotates to the main arm 300 formed by the combination of the main arm upper housing 310 and the main arm lower housing 340, and the main arm upper housing 310 of the main arm 300. It may include at least one secondary arm (400a, 400b) that is possibly connected.
- the main arm 300 has first and second main arms 300a and 300b extending in opposite directions with respect to the rotational center of the injection arm assembly 100, and the auxiliary arms 400a and 400b are sprayed.
- First and second auxiliary arms coupled to the first and second main arms 300a and 300b at an angle spaced between the first and second main arms 300a and 300b based on the rotation center of the arm assembly 100. It may be provided as (400a, 400b).
- the washing water flowing into the main arm 300 from the sump may be sprayed upward of the main arm 300 and in the opposite direction of rotation of the main arm 300 through the plurality of injection holes 314a, 315a, 314b, 315b, and 317b.
- the main arm 300 may rotate the main arm 300 while simultaneously washing the objects to be stored in the rack 40 by the washing water sprayed from the plurality of injection holes 314a, 315a, 314b, 315b, and 317b. Thrust can be obtained.
- the main arm lower housing 340 of the main arm 300 is formed on the bottom surface of the main arm 300 and is formed by protruding the injection arm holder coupling portion 356 in which at least a portion of the injection arm holder 600 is accommodated.
- the main arm 300 is supplied to the first and second main arms 300a and 300b and the first and second auxiliary arms 400a and 400b through the injection arm holder coupling part 356.
- the main arm 300 may include a first extension part 300c and a second extension part 300d extending in the radial direction about the injection arm holder coupling part 356.
- First and second auxiliary arm connecting parts 330a and 330b may be formed in the first extension part 300c and the second extension part 300d so that the auxiliary arms 400a and 400b are rotatably mounted, respectively.
- first and second main arms 300a and 300b and the first and second extension parts 300c and 300d may have washing water introduced through the arm holders to be guided to the first and second main arms 300a and 300b.
- First and second auxiliary flow paths 301c and 301d guided to the first and second main flow paths 301a and 301b and the first and second extension parts 300c and 300d may be formed.
- the first and second auxiliary arms 400a and 400b are rotated by the main arm 300 when the main arm 300 is rotated by the thrust generated by the injection of the washing water sprayed from the first and second main arms 300a and 300b.
- the link member 900 that is linked to the rotation of the reciprocating rotation within a predetermined angle range.
- a plurality of injection holes 414a, 415a, 414b, 415b, 422a, and 422b may be formed in the first and second auxiliary arms 400a and 400b to spray the washing water flowing into the main arm 300.
- auxiliary arms 400a and 400b are second auxiliary arms 400b rotatably connected to the first auxiliary arm 400a and the second extension 300d which are rotatably connected to the first extension 300c. ) May be included. Some of the washing water introduced into the main arm 300 may be moved to the first and second auxiliary flow paths 301c and 301d (see FIG. 14) formed inside the first and second auxiliary arms 400a and 400b. Meanwhile, a separate decor panel 430a may be attached to the top surface of the injection arm 200 to cover the top surface of the injection arm 200.
- Injection arm 200 may be rotated by a separate drive (not shown). However, the injection arm 200 is formed in each injection hole (314a, 315a, 314b, 315b, 317b) formed in the first and second main arms (300a, 300b) or the first and second auxiliary arms (400a, 400b) It can rotate by the thrust of the wash water sprayed from each injection hole (414a, 415a, 414b, 415b, 422a, 422b).
- the injection arm 200 may rotate by thrust generated by spraying the washing water without a separate driving device such as a motor.
- the rotation of the injection arm 200 by washing water injection will be described later.
- the injection arm holder 600 may be coupled to the lower portion of the injection arm 200 and fixed to the injection arm 200. Accordingly, the injection arm holder 600 rotates along with the injection arm 200 and may serve as a rotation axis of the injection arm 200.
- the injection arm holder 600 is inserted into and coupled to the injection arm holder coupling part 356 formed in the main arm 300, and protrudes from the lower part of the main arm insertion part 610 to be fixed.
- the separation prevention part 620 which prevents detachment of the gear part 500 and the sump insertion part 630 rotatably inserted into the injection arm holder seating part 53 of the sump cover 50 are provided.
- the injection arm holder 600 may be inserted into the injection arm holder seating portion 53 of the sump cover 50 while being coupled to the injection arm 200 to be rotatably supported.
- the wash water supplied from the sump is supplied into the spray arm holder 600 through the water supply hole 59 of the spray arm holder seat 53, and the wash water introduced into the spray arm holder 600 is a flow path switching unit ( 700 may be supplied to the first and second main passages 301a and 301b or the first and second auxiliary passages 301c and 301d.
- the flow path switching unit 700 is accommodated in the injection arm holder 600 and the flow path of the washing water supplied from the injection arm holder 600 to the injection arm 200 includes the first, second main flow paths 301a and 301b or the first flow path. It may serve to switch to the first and second auxiliary flow paths 301c and 301d.
- the flow path switching unit 700 is inserted into the injection arm holder coupling portion 356 of the main arm 300 and is elevated in the injection arm holder coupling portion 356 in accordance with the supply and blocking of the wash water flow path of the washing water Can be switched.
- the flow path switching unit 700 rotates the rotation plate 710 by a predetermined angle when the flow path switching unit 700 rises according to the rotation plate 710 in which a plurality of opening holes 722a and 722b are formed, and the washing water is supplied.
- the fixed gear unit 500 is fixed to the sump cover 50 to prevent the separation of the injection arm holder 600 coupled to the injection arm 200 and at the same time the injection arm 200 to rotate the injection arm holder ( 600 may be restricted.
- the fixed gear unit 500 extends from both sides of the rim unit 510 and the rim unit 510, through which the injection arm holder coupling unit 356 formed in the main arm 300 rotatably penetrates and the gear is formed on the outer circumferential surface thereof.
- a fastening part 530 coupled to the coupling boss 51 of the sump cover 50 is formed.
- the fixed gear unit 500 is coupled to the injection arm holder coupling portion 356, the injection arm holder 600 is coupled to the injection arm holder coupling portion 356 is inserted. Thereafter, the fixed gear unit 500 may be fixed to a coupling boss 51 provided in the sump cover 50 by a separate fastening agent (for example, a screw or the like).
- a separate fastening agent for example, a screw or the like.
- the fixed gear part 500 prevents the injection arm holder 600 from being separated from the injection arm holder seating portion 53 of the sump cover 50 while being fixed to the sump cover 50. It can be supported to be rotatable at the same time to prevent the departure of.
- the eccentric gear unit 800 may be rotatably mounted in a state where the eccentric gear unit 800 is engaged with the fixed gear unit 500 at the bottom of the injection arm 200. As the injection arm 200 rotates, the eccentric gear unit 800 rotates along the circumference of the fixed gear unit 500 fixed to the sump cover 50 and rotates while being engaged with the fixed gear unit 500. .
- the eccentric gear part 800 is provided on the outer circumferential surface of the rim portion 810 is provided with the gear meshed with the gear of the fixed gear portion 500, the rim 810 is provided inside the rotatable shaft of the main arm 300 Rotating shaft support protrusion 820 is coupled to, and the eccentric protrusion 830 is spaced apart from the center of rotation of the rotation shaft support protrusion 820 to convert the rotational force to a linear reciprocating motion to the link member 900 is provided.
- the link member 900 may be mounted to the lower portion of the injection arm 200 and may be rotated together with the rotation of the injection arm 200.
- the link member 900 may reciprocally rotate the auxiliary arms 400a and 400b about the longitudinal direction as the eccentric gear unit 800 rotates as the injection arm rotates.
- the link member 900 includes a rim body 910 having a rectangular through hole so as to linearly move a predetermined distance with respect to the injection arm holder engaging portion 356 of the main arm, and extends from the rim body 910 to be first.
- the first and second main links 920a and 920b are linearly coupled to the two main arms 300a and 300b, and the rim-shaped body 910 has a predetermined angle with respect to the first and second main links 920a and 920b.
- the first and second auxiliary links 950a which are spaced apart and coupled to the first and second auxiliary arms 400a and 400b and reciprocally rotate the first and second auxiliary arms 400a and 400b according to the movement of the rim body 910. 950b).
- the second main link 920b is provided with an eccentric gear receiving portion 940 for supporting the eccentric gear portion 800 and inserting the eccentric protrusion 830 of the eccentric gear portion 800.
- Figure 4 is a cross-sectional view showing the sump cover and the injection arm assembly of the dishwasher according to an embodiment of the present invention.
- first and second sub-arms 400a and 400b are rotatably inserted into the first and second sub-arm connecting portions 330a and 330b of the main arm 300, and the injection arm is formed below the injection arm 200.
- the holder coupling portion 356 is inserted into the rim body 910 of the link member 900.
- first and second main links 920a and 920b of the link member 900 are coupled to the first and second main arms 300a and 300b of the main arm 300 so as to be linearly reciprocated, and the link member 900.
- the first and second auxiliary links 950a and 950b rotate the first and second auxiliary arms 400a and 400b according to the reciprocating movement of the link member 900.
- the eccentric gear unit 800 is supported by the eccentric protrusion 830 is inserted into the eccentric gear receiving unit 940 formed in the second main link 920b is rotatably provided below the main arm 300. Can be.
- the fixed gear part 500 may be rotatably inserted and coupled to the injection arm holder coupling part 356 formed at the lower part of the injection arm 200.
- the eccentric gear portion 800 supported by the eccentric gear receiving portion 940 of the second main link 920b is engaged with the gear formed in the fixed gear portion 500 and is fixed according to the rotation of the main arm 300.
- the outer circumferential surface of the part 500 may be coupled to be orbit and rotate.
- the flow path switching unit 700 is inserted into the injection arm holder engaging portion 356.
- the flow path switching unit 700 may be accommodated in the main arm insertion unit 610 provided in the injection arm holder 600.
- the flow path switching unit 700 moves to the upper side of the main arm inserting portion 610 by the pressure of the washing water as the washing water flows into the main arm inserting portion 610, and the main arm inserting portion 610 when the inflow of the washing water is stopped. As the water pressure inside the lowering is reduced, the flow path switching unit 700 is provided to move downward.
- the injection arm holder 600 is fastened to the lower portion of the injection arm holder coupling portion 356. Therefore, the fixed gear unit 500 may be prevented from being separated from the injection arm holder coupling portion 356 by the injection arm holder 600.
- the fastening part 530 of the fixed gear part 500 is coupled to the coupling boss 51 of the sump cover 50 while being inserted into the sump insertion part 630 formed under the injection arm holder 600.
- the fixed gear part 500 is fixed to the sump cover 50 by a fastening member (not shown).
- the fixed gear part 500 is rotatably coupled to the injection arm holder coupling part 356 of the injection arm 200, and the injection arm holder 600 is disposed at the lower side of the fixed gear part 500. Coupled to and fixed). Then, the injection arm holder 600 is rotatably seated on the injection arm holder seating portion 53 of the sump cover 50 and the fixed gear part 500 is fixed to the sump cover 50.
- the fixed gear part 500 is fixed to the sump cover 50 in the configuration of the injection arm assembly 100, and the injection arm 200, the injection arm holder 600, and the link member ( 900 is rotatably provided with respect to the sump cover 50, wherein the injection arm holder 600 is restricted from moving upward in the upward direction by the fixed gear part 500, thereby leaving the injection arm holder seat 53. This can be prevented.
- the washing water introduced through the water supply pipe 80 is moved to the sump by a separate water supply pump, and the injection arm assembly 100 through the water supply hole 59 formed in the injection arm holder seating portion 53 of the sump cover 50. Flows into).
- the washing water introduced into the injection arm assembly 100 may be sprayed to the washing object by the first and second main arms 300a and 300b or the first and second auxiliary arms 400a and 400b of the injection arm 200.
- the injection arm 200 is rotated in the opposite direction to the spray of the washing water by the thrust of the washing water is sprayed according to the washing water spray of the first and second main arms 300a and 300b or the first and second auxiliary arms 400a and 400b. Can be.
- the supply of the washing water to the first and second main arms 300a and 300b or the first and second auxiliary arms 400a and 400b may include a flow path switching unit 700 according to the supply and blocking of the washing water by a feed pump (not shown). Can be switched by a feedwater channel switching operation.
- the eccentric gear unit 800 provided at the lower portion of the main arm 300 rotates along the outer circumferential surface of the fixed gear unit 500 and rotates at the same time. That is, the fixed gear unit 500 is fixed to the sump cover 50 to maintain the fixed state regardless of the rotation of the injection arm 200, in the case of the eccentric gear unit 800 to the main arm 300 It is engaged with the fixed gear unit 500 in a rotatably coupled state so that the main arm 300 rotates and rotates along the outer circumferential surface of the fixed gear unit 500.
- the eccentric protrusion 830 of the eccentric gear portion 800 is inserted into the second main link 920b of the link member 900, and the eccentric protrusion 830 is eccentric in accordance with the rotation of the eccentric gear portion 800.
- the circular motion is performed at a predetermined interval with respect to the rotation center of the gear unit 800. Therefore, the link member 900 having the eccentric protrusion 830 inserted therein performs a linear reciprocating motion under the main arm 300 by the rotation of the eccentric protrusion 830.
- first and second auxiliary arms 400a and 400b are connected to the first and second auxiliary links 950a and 950b of the link member 900, and the first and second auxiliary links 400a and 400b are connected to each other according to the reciprocating movement of the link member 900.
- the first and second sub-arms 400a and 400b connected to the links 950a and 950b may reciprocate to change the spray angles of the washing water sprayed from the first and second sub-arms 400a and 400b.
- FIG. 5 is a plan view showing a main arm of the dishwasher according to an embodiment of the present invention.
- the main arm 300 is formed between the first and second main arms 300a and 300b having an asymmetrical structure extending in opposite directions and between the first and second main arms 300a and 300b.
- First and second extension parts 300c and 300d may be formed to extend at an angle with respect to the first and second main arms 300a and 300b.
- the first and second auxiliary arm connections 330a and 330b may be formed at ends of the first and second extension parts 300c and 300d to which the first and second auxiliary arms 400a and 400b are rotatably fastened. have.
- the main arm 300 may be formed by the main arm upper housing 310 and the main arm lower housing 340 to form an upper portion of the main arm 300 because the flow path through which the wash water is to be formed. have.
- the main arm upper housing 310 may include the first and second upper main arms 312a and 312b and the first and second extension parts 300c and 300d that form upper portions of the first and second main arms 300a and 300b. First and second upper extension portions 322a and 322b forming an upper portion are formed.
- the main arm lower housing 340 includes the first and second lower main arms 341a and 341b and the first and second extension parts 300c and 300d which form lower portions of the first and second main arms 300a and 300b.
- First and second lower extension portions 351a and 351b forming a lower portion are formed.
- the first and second auxiliary arm connecting portions 330a and 330b may be integrally formed with the first and second upper main arms 312a and 312b at ends of the first and second upper main arms 312a and 312b.
- first main arm 300a (or the second main arm 300b) and the first extension part 300c (or the second extension part) are formed to form an obtuse angle D2
- the rotation center of the main arm 300 is predetermined. It can be formed at an angle.
- the reason for forming an obtuse angle between the first and second main arms 300a and 300b and the first and second extension parts 300c and 300d is that the filter 70 and the filter cover are located below the injection arm 200. It is for securing the putting on and taking off space of (60).
- the first and second main arms 300a and 300b and the first and second extension parts 300c and 300d may vary.
- angles between the first and second main arms 300a and 300b and the first and second extension parts 300c and 300d may be formed at right angles. This can be variously implemented according to the design change of the main arm and does not limit the angle between the first and second main arms 300a and 300b and the first and second extension parts 300c and 300d.
- first and second main arms 300a and 300b may be asymmetrically formed around the first and second extension parts 300c and 300d.
- state of forming the first and second main arms 300a and 300b is not limited, and the first and second main arms 300a and 300b are symmetrical about the first and second extension parts 300c and 300d. It may be formed.
- the main arm 300 as described above may form a flow path through which the washing water is moved by the combination of the main arm upper housing 310 and the main arm lower housing 340.
- FIG. 6 is a cross-sectional view taken along line A′-A ′′ of FIG. 5.
- the main arm 300 may be formed by combining the main arm upper housing 310 and the main arm lower housing 340.
- the main arm upper housing 310 and the main arm lower housing 340 may be integrated by heat / ultrasound fusion.
- first and second main flow paths 301a and 301b of the first and second main arms 300a and 300b and the first and second extension portions 300c and 300d of the first and second main arms 300a and 300d may be disposed on the lower surface of the main arm upper housing 310. While forming the secondary auxiliary flow paths 301c and 301d, a fusion rib 327 which can be fused to the main arm lower housing 340 is protruded and formed.
- a fusion step 357 for fusion rib 327 to be fused in a shape corresponding to the fusion rib 327 on the upper surface of the main arm lower housing 340 is provided in the first and second main arms 300a and 300b.
- the two main flow paths 301a and 301b and the outer peripheral surfaces of the first and second auxiliary flow paths 301c and 301d of the first and second extension parts 300c and 300d will be described in detail when the main arm upper housing 310 and the main arm lower housing 340 are described.
- a first inclined surface 313a inclined downward in a direction opposite to the rotation direction of the injection arm 200 is formed on an upper surface of the first upper main arm 312a of the main arm upper housing 310.
- a second inclined surface 313b inclined downward in a direction opposite to the rotation direction of the injection arm 200 may be formed.
- first and second inclined surfaces 313a and 313b may extend in a shape that is inclinedly curved by the first and second upper surface extending portions 322a and 322b, and the first and second inclined surfaces 313a and 313b may have a first upper portion.
- the injection angles of the plurality of injection holes 314a, 315a, 314b, and 315b formed in the main arm 312a and the second upper main arm 312b may be formed to extend the range.
- the first inclined surface 313a is formed to be inclined in a direction opposite to the rotational direction of the first injection port 314a and the injection arm 200 injecting the washing water in the vertical direction of the injection arm 200, the injection arm 200 A first inclined jetting port 315a for generating this rotatable thrust may be formed.
- the second inclined surface 313b is formed to be inclined in a direction opposite to the rotation direction of the second injection port 314b for spraying the washing water in the vertical direction of the injection arm 200 and the injection arm 200, the injection arm 200 A second inclined nozzle 315b for generating this rotatable thrust may be formed.
- first and second injection holes 314a and 314b and the first and second inclined injection holes 315a and 315b may be formed with different radii with respect to the rotation center of the main arm upper housing 310 or may have different injection areas. Can be formed.
- the thrust for securing the spraying area of the washing water and forming the thrust for the rotation of the injection arm 200 is necessary.
- the number can be increased or decreased, and the forming position and the spraying direction can be varied.
- first and second inclined nozzles 315a and 315b various injection angles may be formed to secure the washing area, but the sum of the thrusts by the washing water sprayed from the first and the second inclined nozzles 315a and 315b. It is preferable that the ejection arm 200 is formed to be equal to or larger than the minimum thrust for rotation.
- the surface of the first upper main arm 312a has a specific figure or letter shape to confirm the welding direction of the main arm upper housing 310 when the main arm upper housing 310 and the main arm lower housing 340 are fused.
- An upper display portion 317a may be further formed.
- a separate center injection hole 317b may be further formed at the center of rotation of the first upper main arm 312a or the second upper main arm 312b to spray the washing water toward the rotation center of the main arm 300.
- each of the injection holes 314a, 315a, 314b, and 315b formed in the first and second upper main arms 312a and 312b are relatively evenly distributed in the first and second upper main arms 312a and 312b.
- 317b is preferably provided only on one side of the first upper main arm 312a or the second upper main arm 312b.
- the first and second upper arm extensions 322a and 322b may include first and second auxiliary arm connections that support the first and second auxiliary arms 400a and 400b so that the first and second auxiliary arms 400a and 400b are rotatable.
- 330a and 330b are formed.
- First and second discharge ports 324a and 324b are formed at ends of the first and second upper extension portions 322a and 322b to communicate with the first and second auxiliary arm connecting portions 330a and 330b. .
- first and second center injection holes 326a and 326b for spraying the washing water toward the rotation center of the main arm 300 may be further formed at the rotation centers of the first and second upper extension parts 322a and 322b. Can be.
- injection holes 414a, 415a, 414b, 415b, 422a and 422b are formed only in the first and second auxiliary arms 400a and 400b. Therefore, a relatively small amount of washing water may be sprayed toward the center of the first and second upper extension parts 322a and 322b. Accordingly, separate first and second center injection holes 326a and 326b may be further formed in the first and second upper extension parts 322a and 322b.
- first and second center injection holes 326a and 326b may be formed to have different diameters at the rotation center of the main arm 300, and the first and second center injection holes 326a and 326b may have different cleaning efficiencies. ) May be formed differently.
- first center injection hole 326a may be formed in a slot shape
- second center injection hole 326b may be formed in a circular shape.
- FIG. 7 is a bottom perspective view showing the upper housing 310 of the main arm according to an embodiment of the present invention.
- a fusion rib 327 for fusion with the main arm lower housing 340 is formed on a lower surface of the main arm upper housing 310.
- the fusion ribs 327 may include the first and second upper main arms 312a and 312b and the first and second main flow paths 301a and 301b and the first and second auxiliary flow paths 301c and 301d. It is formed extending to partition the upper extensions (322a, 322b).
- washing water flowing into the main arm upper housing 310 through the main arm lower housing 340 to be described later includes first and second main flow paths 301a and 301b and first and second auxiliary flow paths 301c and 301d.
- a cross-shaped upper flow path forming rib 328 is formed to partition the flow path so that the flow path may flow in.
- first and second main flow paths 301a and 301b and the first and second auxiliary flow paths 301c and 301d are the inner side of the fusion rib 327 (that is, the inner side forming each flow path).
- a plurality of ribs may be formed to guide the movement route of the washing water moving through the 301a and 301b and the first and second auxiliary flow passages 301c and 301d.
- first and second upper ribs 316a and 316b formed in the first and second main flow paths 301a and 301b have an inner surface of the first and second main flow paths 301a and 301b from the upper flow path forming rib 328. Protruding to and may be provided to form a flow path in contact with the first and second lower ribs 342a and 342b formed in the main arm lower housing 340 to be described later.
- first and second extended upper ribs 325a and 325b formed in the first and second auxiliary flow passages 301c and 301d are formed in the first and second auxiliary flow passages 301c and 301d from the upper flow path forming rib 328. It protrudes to the side, and may be provided to form a flow path in contact with the first and second extension lower ribs (352a, 352b) formed in the main arm lower housing 340 to be described later.
- the wash water that moves the first and second auxiliary flow passages 301c and 301d may be used.
- the first and second discharge ports 324a and 324b formed in the extension parts 300c and 300d may be inclined to correspond to the shapes of the first and second discharge ports 324a and 324b.
- the first and second auxiliary arm connecting portions 330a and 330b are integrally formed with the first and second extension portions 300c and 300d at the ends of the first and second upper extension portions 322a and 322b.
- the first and second auxiliary arm connecting portions 330a and 330b are formed in opposite directions in the same form, respectively, so that only the first auxiliary arm connecting portion 330a formed in the first upper extension 322a will be described.
- FIG. 8 is a perspective view showing an auxiliary arm connection of the main arm according to an embodiment of the present invention.
- the first auxiliary arm connecting portion 330a is an extension tube 331 communicating with the first discharge port 324a of the first upper extension portion 322a and an end portion of the extension tube 331 and washing water.
- a flow path portion 334 for switching the flow path in the upward direction and a shaft 338 extending from the end of the flow path portion 334 to rotatably support the first auxiliary arm 400a are provided.
- a flow path forming protrusion 333a is formed to protrude at a predetermined interval along the outer circumferential surface of the extension pipe 331 to be provided in between so that a part of the washing water flowing into the extension pipe 331 is introduced into the sealing ribs 332a, 332b, and 332c. do.
- the sealing ribs 332a, 332b and 332c and the flow path forming protrusion 333a may be formed at regular intervals from the inner circumferential surface of the first auxiliary arm 400a. That is, in the case of the sealing ribs 332a, 332b, and 332c and the flow path forming protrusion 333a, rotation of the first auxiliary arm 400a may be restricted by frictional force when the sealing ribs 332a, 332b, and 332c are completely in contact with the first auxiliary arm 400a.
- the interval of at least one pair of sealing ribs of the plurality of sealing ribs (332a, 332b, 332c) is equal to the width of the foreign matter discharge hole (419a) (see Fig. 13) formed in the first auxiliary arm (400a) to be described later. Or wider, it is preferable.
- the introduced washing water may discharge foreign substances introduced between the extension pipe 331 and the first auxiliary arm 400a to the foreign substance discharge hole 419a.
- the upper support protrusion 333b and the lower support protrusion 333c protrude from the front upper surface and the rear lower surface of the extension pipe 331.
- the upper support protrusion 333b and the lower support protrusion 333c have sealing ribs 332a, 332b, and 332c due to an insertion error when the extension pipe 331 is inserted into the first auxiliary arm 400a, and the flow path forming protrusion ( To prevent the sealing ribs 332a, 332b, 332c and the flow path forming protrusion 333a from being damaged when the injection arm assembly 100 is moved while the 333a is broken or the first auxiliary arm 400a is coupled. It is for.
- the upper support protrusion 333b and the lower support protrusion 333c are formed at the same height as the sealing ribs 332a, 332b, and 332c or the flow path forming protrusion 333a, but are formed with a relatively small area to seal the ribs 332a, 332b, 332c or stronger than the flow path forming protrusion 333a.
- the flow path part 334 extends from an end portion of the extension pipe 331 and may be formed in a shape of an enclosure having a predetermined length in which an upper portion thereof is opened.
- the flow path 334 is formed to change the direction of the washing water to the upper direction so that the washing water passing through the extension pipe 331 can be moved in the direction of the injection port (414a, 415a, 422a) of the first auxiliary arm (400a).
- the flow path forming ribs 335a extending in the length direction of the flow path part 334 may be further provided inside the flow path part 334.
- the flow path forming ribs 335a extend in the vertical direction from the inside of the flow path part 334 to reinforce the strength of the flow path part 334 to maintain the shape of the flow path part 334 and at the same time the flow path part 334.
- the front end of the flow path forming rib 335a (that is, the side facing the extension pipe 331) when foreign matter is introduced with the washing water flowing from the extension pipe 331 to prevent the foreign material is caught on the flow path forming rib 335a.
- the inclined portion 335b toward the extension pipe 331 side may be formed.
- a plurality of horizontal reinforcing ribs 337a are formed on both sides of the flow path part 334 to reinforce the flow path part 334 from the horizontal impact applied to the flow path part 334.
- a plurality of vertical reinforcement ribs 336a may be formed in the upper and lower portions of the upper portion and the lower portion to reinforce the passage portion 334 from the impact and the load in the vertical direction.
- the number of vertical reinforcing ribs 336a is preferably greater than that of the horizontal reinforcing ribs 337a.
- the vertical reinforcing rib 336a and the horizontal reinforcing rib 337a may be formed to be adjacent to the inner circumferential surface of the first auxiliary arm 400a. This is to reduce the internal volume of the first auxiliary arm 400a in the same manner as the flow path forming ribs 335a to temporarily increase the pressure of the washing water supplied to the first auxiliary arm 400a.
- a plurality of recessed grooves 336b and 337b may be formed at outer portions of the vertical reinforcement ribs 336a and the horizontal reinforcement ribs 337a to prevent interference with the injection holes formed in the first auxiliary arm 400a.
- the first reinforcing rib 400a is inserted into the inner side of the first auxiliary arm 400a and is formed to be close to the inner circumferential surface of the first auxiliary arm 400a.
- the injection holes 414a, 415a, and 422a formed in the first auxiliary arm 400a may be closed by the vertical reinforcing rib 336a and the horizontal reinforcing rib 337a during the rotation of the.
- the outer portions of the vertical reinforcing ribs 336a and the horizontal reinforcing ribs 337a have a plurality of recesses 36b and 337b to allow the washing water to flow into the injection holes 414a, 415a, and 422a when the first auxiliary arm is rotated. Can be further formed.
- the shaft 338 protrudes from the end of the flow path 334 and is inserted into the inner end of the first auxiliary arm 400a to support the first auxiliary arm 400a so as to be rotatable.
- the shaft 339 is preferably formed at a position spaced apart from the extension pipe 331 to be able to distribute the load of the first auxiliary arm (400a).
- an insertion key 338a protrudes from one end of the shaft 339.
- the insertion key 338a is inserted into the key groove 417a (see FIG. 14) formed in the first auxiliary arm 400a to prevent the first auxiliary arm 400a from being separated from the shaft.
- the insertion key 338a and the key groove 417a are preferably located in opposite directions in the normal installation state of the first auxiliary arm 400a.
- the upper and lower surfaces are inserted in an inverted state so that the insertion key 338a of the shaft 339 is the key groove of the first auxiliary arm 400a.
- the insertion key 338a of the shaft 339 may be prevented from being separated into the key groove 417a by being inserted to be inserted into the 417a and reversing the upper and lower surfaces after the first auxiliary arm 400a is completely inserted.
- Figure 10 is a bottom view showing a lower housing of the main arm according to an embodiment of the present invention.
- the main arm lower housing 340 has the first and second lower main arms 341a and 341b forming lower portions of the first and second main arms 300a and 300b as described above. And first and second lower extension parts 351a and 351b forming lower parts of the first and second extension parts 300c and 300d, and the injection arm holder coupling part under the rotation center of the main arm lower housing 340. 356 is formed to protrude.
- first and second lower main arms 341a and 341b and the first and second lower extension parts 351a and 351b are the first and second upper main arms 312a and 312b and the first and second upper main housings of the main arm upper housing.
- a fusion step 357 to which the fusion rib 327 of the main arm upper housing 310 is fused is formed on the upper surface of the main arm lower housing 340.
- the fusion step 357 may include the first and second lower main arms 341a and 341b and the first and second main flow paths 301a and 301b and the first and second auxiliary flow paths 301c and 301d. It is formed to extend to partition the lower extensions (351a, 351b).
- the center portion of the injection arm holder coupling portion 356 has a cross shape so as to partition the flow path so that the incoming washing water flows into the first and second main flow paths 301a and 301b and the first and second auxiliary flow paths 301c and 301d.
- Lower flow path forming ribs 354 are formed.
- first and second main flow paths 301a and 301b and the first and second auxiliary flow paths 301c and 301d are the inner side of the fusion step 357 (that is, the inner side forming each flow path) and the main arm upper housing 310.
- a plurality of guides for guiding the moving path of the wash water to move the first and second main flow path (301a, 301b) and the first and second auxiliary flow path (301c, 301d) in contact with each upper rib (316a, 316b, 325a, 325b) of the Lower ribs 342a, 342b, 352a, and 352b may be formed.
- the first and second lower ribs 342a and 342b protrude from the lower flow path forming ribs 335a to the inner surfaces of the first and second main flow paths 301a and 301b and are formed in the main arm upper housing 310.
- the first and second main flow paths 301a and 301b may be formed in contact with the first and second upper ribs 316a and 316b.
- first and second extended lower ribs 352a and 352b protrude from the lower flow path forming ribs 335a to the inner side surfaces of the first and second auxiliary flow paths 301c and 301d, and extend into the main arm upper housing 310.
- the first and second auxiliary flow paths 301c and 301d may be formed in contact with the first and second extended upper ribs 325a and 325b to be formed.
- the wash water moving through the first and second auxiliary flow paths 301c and 301d is first and second.
- the first and second discharge ports 324a and 324b formed in the extension parts 300c and 300d may be inclined to correspond to the shapes of the first and second discharge ports 324a and 324b.
- the injection arm holder coupling part 356 is formed in a cylindrical shape and is formed by protruding the injection arm holder coupling protrusion 356a to which the injection arm holder 600 is coupled to both lower portions of the outer circumferential surface thereof.
- the main arm insertion portion 610 of the injection arm holder 600 is inserted into the injection arm holder coupling portion 356 to the injection arm holder coupling portion 356, and one side of the injection arm holder coupling portion 356 is inserted into the injection arm holder coupling portion 356.
- the injection arm holder 600 When the injection arm holder 600 is mounted to the injection arm holder engaging projection 356a when rotated in the direction, the injection arm holder 600 is fixed, and when the injection arm holder 600 is rotated in the other direction, the injection arm holder ( 600 may be separated from the injection arm holder coupling protrusion 356a so that the injection arm holder 600 may be detachable.
- the lower surface of the main arm lower housing has a spray arm holder engaging portion 356 formed at the center thereof, and a lower flow path forming rib 354 is formed inside the spray arm holder engaging portion 356. do.
- the lower flow path forming ribs 354 allow the inside of the injection arm holder coupling part 356 to flow into the first and second main flow paths 301a and 301b and the first and second auxiliary flow paths 301c and 301d, respectively.
- the first and second main flow path inlets 354a and 354b and the first and third extension flow path inlets 354c and 354d are divided.
- first and second main flow paths 354a and 354b and the first and third extended flow path inlets 354c and 354d are respectively the first and second main flow paths 301a and 301b and the first and second auxiliary flow paths 301c and
- the first and second main flow path inlets 354a and 354b and the first and third extended flow path inlets 354c and 354d may be sequentially opened and closed by the flow path switching unit 700 to be described later.
- a washing spray hole 343a for spraying washing water in the direction of the rotation axis of the spray arm assembly 100 is formed.
- the washing spray hole 343a sprays the washing water in the direction of the rotation axis when the spray arm 200 rotates so that foreign substances remaining in the lower part of the washing tank 10 and the sump cover 50 flow into the filter cover 60 and the filter 70. It can be done.
- a lower display portion having a specific figure or character form is formed at the center of the first lower main arm to check the welding direction of the main arm lower housing 340 when the main arm upper housing 310 and the main arm lower housing 340 are fused. 344a may be further formed.
- the first and second guide protrusions 345a and 345b are movably coupled to the first and second main links 920a and 920b of the link member 900 to prevent separation of the first and second main links 920a and 920b.
- First and second extended steps 346a and 346b are formed to prevent them.
- the second lower main arm 341b is formed by protruding the gear rotation shaft 347b to which the eccentric gear unit 800 is rotatably coupled.
- the link member 900 which is movably coupled to the first and second guide protrusions 345a and 345b may be formed by the first and second guide protrusions according to the rotation of the eccentric gear unit 800 coupled to the gear rotation shaft 347b. Reciprocating along 345a, 345b.
- the link member 900 may be restricted in movement by the injection arm holder 600 in a state in which the injection arm holder 600 is inserted into the rim body 910 of the link member 900.
- the first and second guide protrusions 345a and 345b for guiding the movement of the link member 900 and the gear rotation shaft 347b to which the eccentric gear unit 800 is coupled, and the injection arm holder inserted into the link member 900.
- the center of 600 is preferably located on a straight line.
- each drain passage 356b may be formed on the lower surface of the lower main housing 340 along the fusion step 357 formed on the upper surface of the lower main housing 340.
- the drain passage 356b has the main arm lower housing 340 by the centrifugal force according to the rotation of the injection arm 200 with the foreign matter and washing water remaining on the lower surface of the main arm lower housing 340 when the injection arm 200 rotates.
- first and second auxiliary arms 400a and 400b which are main components of the injection arm assembly 100 according to an embodiment of the present invention, will be described in detail with reference to the accompanying drawings.
- Figure 12 is a plan view showing an auxiliary arm according to an embodiment of the present invention.
- first and second auxiliary arms 400a and 400b have substantially the same structure, and the plurality of injection holes 414a and the second and second auxiliary arms 400a and 400b are formed in the first and second auxiliary arms 400a and 400b.
- the first and second sub-arms 400a and 400b are not described separately, and are described with reference to the first sub-arm 400a, and the second sub-arm 400b having a structure different from that of the first sub-arm 400a. ) Will be added to the description of the first auxiliary arm 400a.
- the first auxiliary arm 400a is rotatably coupled to the first auxiliary arm connecting portion 330a and rotates according to the operation of the link member 900, and thus the first auxiliary arm connecting portion 330a.
- the auxiliary arm housing 410a is formed in a cylindrical shape and has an auxiliary arm flow path 411a in which an auxiliary arm flow path 412a into which the first auxiliary arm connection part 330a is inserted is formed, and an upper side of the auxiliary arm flow path 411a.
- expansion ribs 423a are formed on both sides of the auxiliary arm flow path part 411 a in a symmetrical shape corresponding to the outer shape of the first extension part 300c.
- the extension rib 423a is bent downward with respect to the auxiliary arm flow path part 411a at both sides in the longitudinal direction of the auxiliary arm flow path part 411a in a shape symmetric about the longitudinal direction of the upper surface of the auxiliary arm flow path part 411a. Can be formed.
- the decoration panel 430a may be fixedly supported on the outer surface of the expansion rib 423a.
- the upper side of the auxiliary arm flow path portion 411a is opposite to the first auxiliary injection port 414a for spraying the washing water in a relatively vertical direction with respect to the first auxiliary arm 400a and the rotation direction of the first auxiliary arm 400a.
- the first auxiliary inclined spray port 415a may be formed to be inclined in the direction so as to generate a thrust that the injection arm 200 may rotate when the washing water is sprayed by the first auxiliary arm 400a.
- the decorative panel 430a is formed to cover the upper surface of the auxiliary arm housing 410a.
- the decorative panel 430a may be press-molded to correspond to the curved shape of the upper surface of the auxiliary arm housing 410a using a glossy metal plate material having a predetermined thickness.
- a plurality of through holes 431a, 432b, and 432c are formed to expose the injection hole 415a.
- a plurality of fixing pins 434a are mounted on an outer circumferential surface of the decor panel 430a to be fixed to the expansion ribs 423 of the auxiliary arm housing 410a when the decor panel 430a is installed.
- the fixing pin 434a is bent into the lower side of the extension rib 423 to fix the decor panel 430a to the auxiliary arm housing 410a.
- the decoration panel 430a may be attached and fixed to the auxiliary arm housing 410a by using a separate adhesive between the decoration panel 430a and the auxiliary arm housing 410a in addition to the fixing pin 434a.
- a rotating protrusion 425a to which the first auxiliary link 950a of the link member 900 is coupled is formed below the auxiliary arm flow path part 411a.
- a departure preventing protrusion 427a is bent from the pivoting protrusion 425a and mounted on the bottom surface of the first auxiliary link 950a.
- the anti-separation protrusion 427a preferably extends toward the center of the injection arm 200 for coupling with the first auxiliary link 950a.
- the separation preventing protrusion 427a is formed to be at least shorter than the length of the first rotational hole 971a formed in the first auxiliary link 950a, and is installed in the first rotational hole 971a when the link member 900 is installed. It may be formed to a length that can be mounted (see FIG. 35).
- first secondary injection port 414a and the first secondary inclined injection port 415a may be formed in the shape of a circular hole or slot in order to expand the injection area of the sprayed washing water.
- injection direction of the first auxiliary injection hole (414a) and the first auxiliary inclined injection hole (415a) is formed so that the thrust that the injection arm 200 can be rotated always occurs even when the first auxiliary arm 400a is rotated. .
- the magnitude of the thrust by the washing water sprayed from the first auxiliary injection hole 414a or the first auxiliary inclined injection hole 415a may increase or decrease according to the rotation of the first auxiliary arm 400a, but the first auxiliary injection hole 414a may be increased.
- the direction of thrust by the washing water injected from the first auxiliary inclined jetting port 415a may be always constant.
- a coupling hole 416a into which the shaft 339 of the first auxiliary arm connecting portion 330a is inserted is formed at the inner end of the auxiliary arm channel 412a.
- One side of the hole 416a is formed with a key groove 417a into which the insertion key 338a formed in the shaft 339 is inserted.
- the key groove 417a formed in the coupling hole 416a may be formed in a direction opposite to the position of the insertion key 338a in the normal installation state of the first auxiliary arm 400a. That is, the first sub-arm 400a is inserted upside down when the first sub-arm connection part 330a is inserted in an upside down state so that the shaft 339 of the first sub-arm connection part 330a is coupled to the coupling hole 416a. At the same time, the insertion key 338a of the shaft 339 is inserted into the key groove 417a of the coupling hole 416a.
- the first auxiliary arm connecting portion 330a is completely inserted into the first auxiliary arm 400a
- the first auxiliary arm 400a is rotated so that the position of the key groove 417a of the coupling hole 416a is inserted into the shaft 339.
- the first auxiliary arm 400a may be prevented from being separated from the first auxiliary arm connecting portion 330a by being spaced apart from the position of the key 338a.
- the outer side of the coupling hole 416a of the first auxiliary arm 400a is provided with a reflecting plate 418a for preventing the washing water discharged to the coupling hole 416a and the key groove 417a from scattering.
- the first auxiliary injection hole of the first auxiliary arm 400a is formed at the end of the auxiliary arm flow path 412a to which the washing water is moved.
- the reflection plate 418a may be provided to prevent the washing water discharged to the coupling hole 416a and the key groove 417a from falling and fall to the sump cover 50.
- foreign matter introduced into the auxiliary arm flow path 412a of the auxiliary arm flow path 411a is disposed at the distal end portion of the auxiliary arm flow path 411a (that is, the portion located in the extension pipe 331 of the first auxiliary arm connection part 330a).
- Foreign matter discharge hole (419a) for discharging is formed.
- the foreign substance discharge hole 419a is formed to be positioned between at least one pair of sealing ribs among the plurality of sealing ribs 332a, 332b, and 332c formed in the extension pipe 331 of the first auxiliary arm connection part 330a.
- the wash water flows into the auxiliary arm flow path 412a of the first auxiliary arm 400a, some of the wash water flows between the extension pipe 331 and the first auxiliary arm 400a through the flow path forming protrusion 333a by the pressure of the wash water. Inflow, the introduced washing water may discharge the foreign matter introduced between the extension pipe 331 and the first auxiliary arm 400a to the foreign matter discharge hole 419a.
- the first auxiliary arm 400a performs a reciprocating rotational movement with the first auxiliary arm connecting portion 330a as the axis according to the rotation of the injection arm 200, and the first auxiliary injection port 414a and the first auxiliary inclination.
- the thrust generated by the injection holes 414a and 415a has to be increased and decreased with a certain period.
- the thrust change of the first auxiliary arm 400a may change the rotational speed of the injection arm 200 or decrease the washing efficiency by the washing water. Therefore, it is necessary to maintain a relatively constant thrust according to the injection of the washing water of the first auxiliary arm (400a).
- a first thrust injection hole 422a (see FIG. 12) for generating a thrust of the first auxiliary arm 400a may be further formed at the end of the auxiliary arm flow path part 411a.
- the first thrust injection hole 422a is preferably formed to be inclined in a direction opposite to the rotation direction of the first auxiliary arm 400a and is formed to generate a thrust larger than the thrust generated by the first auxiliary inclined injection hole 415a.
- the thrust generation of the first auxiliary arm 400a may be formed upward, or additionally, the first thrust injection hole 422a may be formed to clean the outer portion of the cleaning tank 10.
- an auxiliary arm branch channel 413a having a cross-sectional area smaller than that of the auxiliary arm channel 412a at the end of the auxiliary arm channel 412a (Fig. 14 (c)). May be further formed).
- the auxiliary arm basin flow passage 413a may increase the pressure of the washing water sprayed from the first thrust injection hole 422a by reducing the cross-sectional area of the flow passage through which the washing water flows.
- the first and second auxiliary arms (400a, 400b) has a very similar structure in appearance, but the position of the first auxiliary injection port (414a) and the first auxiliary inclined injection port (415a) is substantially different. That is, in the case of the first and second auxiliary injection holes 414a and 414b and the first and second auxiliary inclined injection holes 415a and 415b formed in the first and second auxiliary arms 400a and 400b, the rotation of the injection arm 200 is performed. It is formed to have different injection regions.
- the 1st auxiliary arm 400a (or 2nd auxiliary arm 400b) is installed in the 1st, 2nd auxiliary arm connection part 330a and 330b, respectively, the 1st auxiliary arm 400a (or 2nd auxiliary
- the arm 400b) may have the same spraying area, thereby lowering the washing efficiency.
- an auxiliary arm display unit (not shown) may be further formed to distinguish the first and second auxiliary arms 400a and 400b.
- the auxiliary arm display unit may be formed on a lower surface of the auxiliary arm housing 410a and may be formed in a specific figure or character form.
- a separate reinforcing rib 424a may be formed to reinforce the extension rib 423 forming the auxiliary arm housing 410a, and the first and second auxiliary arms 400a and 400b may be formed.
- the first and second auxiliary arms 400a and 400b may be distinguished from each other by changing the formation positions of the reinforcing ribs 424a formed in the second ribs 424a. For example, when the installation position of the reinforcing rib 424a formed on the first auxiliary arm 400a is L1, the installation position of the reinforcing rib 424a formed on the second auxiliary arm 400b is L2. It is possible to distinguish the two auxiliary arms (400a, 400b).
- the lower surface of the end of the first auxiliary arm 400a may be formed with an inclined upward surface 428a (see FIG. 14 (a)) which is raised upward by a predetermined angle D3 in the outward direction of the injection arm 200.
- the upward inclined surface 428a may be formed to prevent contact with the washing tank 10 when the injection arm is rotated and stopped.
- FIG. 15 is a perspective view showing a fixed gear part according to an embodiment of the present invention
- FIG. 16 is a plan view showing a fixed gear part according to an embodiment of the present invention
- FIG. 17 shows a line D′-D ′′ of FIG. 16. It is a cross section.
- the fixed gear part 500 includes a rim part 510 in which the injection arm holder coupling part 356 formed in the main arm lower housing 340 rotatably penetrates, and a plurality of first gears 512 are formed on the outer circumferential surface thereof. ), A fastening part 530 extending from both sides of the rim part 510 and coupled to the coupling boss 51 of the sump cover 50, and downwardly extending to one side of the rim part 510 to fix the inner side of the fixed gear part 500.
- a shielding rib 520 is formed to shield the gap.
- the rim portion 510 has a plurality of first gear teeth 512 formed along the upper outer circumference in a ring shape extending from the outer circumferential surface of the injection arm holder coupling portion 356, and the injection arm holder coupling on the inner circumferential surface of the rim portion 510. At least three or more clearance retaining protrusions 514 are formed to protrude from the gap 356 and to prevent friction.
- the upper surface of the first gear 512 and the upper surface of the rim portion 510 on which the first gear 512 is formed are formed to be inclined downward toward the outside of the rim 510 at a predetermined angle D4. That is, the washing water and the foreign matter may be introduced into the upper portion of the first gear 512 during the washing by the washing water, and the upper surface and the first gear 512 of the first gear 512 to drain and discharge the introduced washing water and foreign matter. It is preferable that the upper surface of the rim portion 510 is formed to be inclined downward toward the outside of the rim portion 510.
- the lower surface of the rim portion 510 is formed with a support surface 516 in contact with the separation prevention portion 620 of the injection arm holder 600, the support surface 516 is formed to be inclined upwardly toward the center side of the rim portion 510 It is preferable.
- the injection arm holder 600 coupled to the injection arm 200 rotates together, and the injection arm holder 600 is attached to the injection arm holder seating portion 53 of the sump cover 50. In the inserted state, it is rotated in a floating state under upward pressure by the pressure of the washing water.
- the injection arm holder 600 may be caused to flow in the horizontal direction by the play between the injection arm holder 600 and the injection arm holder 600.
- the support surface 516 of the rim portion 510 is the separation prevention part 620 of the injection arm holder 600 when the injection arm holder 600 rises by the pressure of the washing water according to the rotation of the injection arm is the support surface ( 516 can be prevented from flowing by the inclination.
- the fastening part 530 is formed to extend in the downward direction of the rim part 510 on both sides of the rim part 510, and a fastening hole 532 into which the coupling boss 51 of the sump cover 50 is inserted is formed.
- the fastening part 532 may be fixed by a separate fastening part (for example, a screw, etc.).
- the shielding rib 520 is formed on the front side (that is, the door 30 side) of the rim portion 510, to shield the injection arm holder 600 located inside the fixed gear portion 500.
- the shielding rib 520 is provided with a foreign material introduced into the fixed gear part 500 or a user's hand is inserted when the filter 70 and the filter cover 60 located in front of the shielding rib 520 are inserted or removed. Can be prevented.
- FIG. 18 is a perspective view showing the injection arm holder according to an embodiment of the present invention
- Figure 19 is a plan view showing the injection arm holder according to an embodiment of the present invention
- Figure 20 is an injection according to an embodiment of the present invention 21 is a side view of the arm holder
- FIG. 21 is a bottom perspective view of the injection arm holder according to the exemplary embodiment of the present invention.
- the injection arm holder 600 is inserted into the injection arm holder coupling part 356 of the injection arm 200 and forms the main arm insertion part forming the installation space of the flow path switching part 700.
- 610 and the separation prevention part 620 formed on the outer circumferential surface of the main arm insertion part 610 and fixed to the injection arm holder coupling part 356 and mounted on the support surface 516 of the fixed gear part 500. It is provided with a sump insertion portion 630 is formed to protrude in the lower portion of the main arm insertion portion 610 and rotatably inserted into the injection arm holder seating portion 53 of the sump cover 50.
- the main arm inserting portion 610 is formed so that the outer circumferential surface thereof corresponds to the inner circumferential surface of the injection arm holder coupling portion 356, and a valve chamber 612 is formed in which the flow path switching part 700 is inserted.
- a plurality of support protrusions 614 are formed on the bottom surface of the valve chamber 612 in contact with the lower inclined protrusions 730a, 730b, 730c, and 730d of the flow path switching part 700 to rotate the flow path switching part 700.
- the lower center of the chamber 612 is formed with a hollow in which the wash water flows.
- the support protrusion 614 may be increased or decreased depending on the number of flow paths formed in the injection arm 200.
- at least four supporting protrusions 614 are preferably provided.
- each support protrusion 614 is 30 degrees with respect to the angle formed in the lower flow path forming ribs 354 forming the first and second main arm inlets 354a and 354b and the first and second extension inlets 354c and 354d. It is preferably formed to rotate around -45 degrees.
- the departure prevention part 620 extends from the lower part of the main arm inserting part 610 than the main arm inserting part 610, and a main arm seating part 622 is formed in contact with a lower end of the injection arm holder coupling part 356.
- the outer circumferential surface of the main arm seating portion 622 is formed with a handle 624 for mounting the injection arm holder 600 to the injection arm holder coupling portion 356.
- the inner circumferential surface of the main arm seating portion 622 is formed with a locking projection 622a which is mounted on the injection arm holder engaging projection 356a formed on the outer circumferential surface of the injection arm holder engaging portion 356, and the injection arm holder engaging projection ( 356a and the locking protrusion 622a are formed to be fixed and released according to the rotation of the injection arm holder 600.
- a plurality of anti-friction protrusions are provided on the upper surface of the handle part 624 to reduce friction with the support surface 516 when the release preventing part 620 is rotated in contact with the support surface 516 of the fixed gear part 500. 626 may be formed. Meanwhile, a plurality of locking grooves 624a may be further formed on the outer circumferential surface of the handle part 624 to facilitate rotation when the injection arm holder 600 is mounted.
- the sump inserting portion 630 is formed in communication with the center of the lower surface of the main arm inserting portion 610 and a hollow is formed so that the wash water supplied from the sump can be introduced.
- the lower end of the sump insertion part 630 is formed with an extension 636 extending to be seated on the mounting rib 57 formed on the injection arm holder seating part 53 of the sump cover 50.
- a plurality of sealing ribs 634 protruding toward the inner circumferential surface side of the injection arm holder seating portion 53 are formed below the outer circumferential surface of the sump inserting portion 630, and the injection arm holder seating portions are formed on the outer circumferential surface of the sump insertion portion 630.
- a plurality of gap keeping protrusions 632 may be formed to maintain a gap with the inner circumferential surface.
- Figure 22 is a perspective view showing a flow path switching unit according to an embodiment of the present invention
- Figure 23 is a rear perspective view showing a flow path switching unit according to an embodiment of the present invention
- Figure 24 is a fixed gear according to an embodiment of the present invention It is sectional drawing which shows a part, an arm holder, and a flow path switch part.
- the flow path switching unit 700 is formed on a disk-shaped rotating plate 710 inserted into the valve chamber 612 of the injection arm holder 600, and is formed on the rotating plate 710 and is formed on the main plate.
- First, second, third, and fourth upper inclined protrusions 720a, 720b, 720c, and 720d inserted into the lower flow path forming ribs 354 of the arm lower housing 340 to rotate the rotating plate 710, and the rotating plate 710.
- First, second, third, and fourth lower inclined protrusions 730a, 730b, and 730c which are formed at the lower side and are mounted on the support protrusion 614 formed in the valve chamber 612 of the injection arm holder 600 to rotate the rotating plate 710. , 730d may be formed.
- the rotating plate 710 may be accommodated in the valve chamber 612 of the injection arm holder 600, and may be reciprocated in the valve chamber 612 in the vertical direction according to the hydraulic pressure of the washing water passing through the valve chamber 612. have.
- the rotating plate 710 is preferably formed in a disk shape so as to correspond to the cross-sectional shape of the valve chamber 612.
- a plurality of gap maintaining protrusions 712 are formed on the outer circumferential surface of the rotating plate 710 to minimize the friction while maintaining the gap with the inner circumferential surface of the valve chamber 612.
- first and second opening holes 722a and 722c may be formed in the outer side of the first and third upper inclined protrusions 721a and 721c of the rotating plate 710 to allow the washing water to pass therethrough.
- the first and second opening holes 722a and 722c may be formed in the main arm lower housing.
- the first and second main arm inlets 354a and 534b of 340 or the first and second extension inlets 354c and 354d may be communicated with each other.
- first, second, third and fourth upper inclined protrusions 720a, 720b, 720c, and 720d may be formed by the first and second main arm inlets formed by the lower flow path forming ribs 354 of the main arm lower housing 340. 354a and 534b and the first and second extension inlets 354c and 354d.
- first, second, third, and fourth upper oblique protrusions 720a, 720b, 720c, and 720d may be spaced apart from the center of the rotating plate 710 and the outer circumferential surface of the rotating plate 710 by a predetermined distance.
- the first and second open holes 722a and 722c are the first and second upper inclined protrusions 720a and 720c facing each other among the first, second, third and fourth upper inclined protrusions 720a, 720b, 720c and 720d. It may be formed on the outer side of each.
- first and second rotation inclined surfaces 721a and 721b are further formed between the first and third upper sloped protrusions 720a and 720c and the rotating plate 710.
- the first and second rotation slopes 721a and 721b may be rotated by the washing water passing through the first and second opening holes 722a and 722c when the flow path switching part 700 is raised and lowered. So as to form a rolling resistance.
- the flow path switching unit 700 may be rotated in one direction by the washing water passing through the first and second opening holes 722a and 722c, and the flow path switching unit 700 may be stopped even when the supply of the washing water is stopped.
- the flow path switching part may be rotated in one direction by the washing water passing through the first and second opening holes 722a and 722c when descending by the load.
- first and second main arm inlets 354a and 534b are spaced apart from the second and fourth upper inclined protrusions 720b and 720d by a predetermined interval.
- First and second inflow preventing projections 726a and 726b may be formed to seal the first and second extension part inlets 354c and 354d.
- first and second inflow preventing projections 726a and 726b are formed by the first and second opening holes 722a and 722c, and the first and second main arm inlets 354a and 534b (or the first and second extension part inlets 354c). , 354d) may be inserted into the first and second extension inlets 354c and 354d (or the first and second main arm inlets 354a and 534b) to seal the inlet which does not open.
- first, second, third, and fourth upper inclined protrusions 720a, 720b, 720c, and 720d are formed with a first upper inclined surface 723a and a second upper inclined surface 723b, respectively, and the first and second upper inclined surfaces 723a. 725a is formed between the upper edges 727a.
- the first upper inclined surface 723a in the rotational direction of the flow path switching unit 700 is formed, and the second upper inclined surface 725a is formed in the opposite direction of the rotational direction.
- the inclined angle beams of the second upper inclined surface 725a may be formed to have different inclination angles.
- first, second, third, and fourth lower inclined protrusions 730a, 730b, 730c, and 730d are mounted on the support protrusion 614 provided in the valve chamber 612 to rotate the rotating plate 710.
- the first, second, third, and fourth lower inclined protrusions 730a, 730b, 730c, and 730d may be disposed at intervals of 90 degrees with respect to the center of the rotating plate 710, respectively.
- first, second, third and fourth lower inclined protrusions 730a, 730b, 730c, and 730d are respectively disposed between the first and second lower inclined surfaces 733a and 735a and the first and second lower inclined surfaces 733a and 735a, respectively.
- the lower edge 737a is formed.
- the first lower inclined surface 733a in the rotational direction of the flow path switching unit 700 is formed, and the second lower inclined surface 735a is formed in the opposite direction of the rotational direction.
- the inclined angle beams of the second lower inclined surface 735a are formed to have a smaller inclination angle.
- 25 to 26 are cross-sectional perspective views showing the operation of the flow path switching unit according to an embodiment of the present invention.
- the first, second, third, and fourth upper inclined protrusions 720a, 720b, 720c, and 720d provided in the flow path switching unit 700 are formed at the lower portion of the main arm lower housing 340.
- the first and second main arm inlets 354a and 354b and the first and second extension inlets 354c and 354d of the flow path forming ribs 354 are respectively inserted.
- the washing water introduced into the inlet 638 passes through the first opening hole 722a to the first main arm inlet 354a, and the washing water passing through the second opening hole 722c is the second main arm. It may flow into the inlet 354b.
- first extension part inlet 354c and the second extension part inlet 354d are closed by the rotating plate 710. Accordingly, the inflow of the wash water through the first and second extension inlets 354c and 354d is blocked.
- first, second, third, and fourth lower inclined protrusions 730a, 730b, 730c, and 730d provided in the flow path switching unit 700 slide the support protrusions 614 provided in the injection arm holder 600.
- a predetermined angle is further rotated in one direction to be mounted on the support protrusion 614.
- the first, second, third, and fourth lower inclined protrusions 730a, 730b, 730c, and 730d are mounted on the support protrusion 614, and the flow path switching unit 700 is one side. Rotate a certain angle in the direction.
- the flow path switching unit 700 may rotate about 90 degrees.
- the first and second lower inclined surfaces 733a and 735a of the first, second, third and fourth lower inclined protrusions 730a, 730b, 730c and 730d occupy 90 degrees on the circumference of the rotating plate 710. Because.
- the first, second, third and fourth upper inclined protrusions 720a, 720b, 720c, and 720d provided in the 700 may include first and second main arm inlets of the lower flow path forming ribs 354 formed in the main arm lower housing 340. 354a and 354b and first and second extension inlets 354c and 354d, respectively.
- the flow path switching unit 700 rises by the pressure of the washing water, and the washing water passes through the first and second opening holes 722a and 722c of the rising flow path switching unit 700.
- the washing water passing through the first and second opening holes 722a and 722c applies pressure to the first and second rotation slopes 721a and 721b formed in the first and second opening holes 722a and 722c to the washing water.
- the flow path switching unit 700 is rotated a predetermined angle in one direction by the pressure applied to the first and second rotation inclined surfaces 721a and 721b.
- the first, second, third, and fourth upper sloped protrusions 720a, 720b, 720c, and 720d of the flow path switching unit 700 are formed in the first and second main arm inlets 354a and 354b of the flow path forming rib 335a, and The flow path switching unit 700 is further rotated by a predetermined angle in one direction while being inserted into the first and second extension part inlets 354c and 354d.
- the flow path switching unit 700 may rotate about 90 degrees. This is because the first and second upper inclined surfaces 723a and 725a provided in the first, second, third and fourth upper inclined protrusions 720a, 720b, 720c and 720d occupy an angle of 90 degrees on the circumference of the rotating plate 710. Because.
- the first and second opening holes 722a and 722c of the flow path switching unit 700 communicate with the first and second extension part inlets 354c and 354d instead of the first and second main arm inlets 354a and 354b. do. Accordingly, the washing water introduced into the inlet 638 passes through the first opening 722a and enters the first extension inlet 354c, and the washing water passing through the second opening 722c extends second. It may flow into the secondary inlet 354d.
- first main arm inlet 354a and the second main arm inlet 354b are closed by the rotating plate 710. Accordingly, the inflow of the wash water through the first and second main arms 300a and 300b is blocked.
- the feed water pump provided in the sump may supply the washing water intermittently when the washing water is supplied. Specifically, after supplying the washing water to the injection arm holder 600 for a predetermined time, the supply of the washing water may be stopped for a certain time.
- the sump alternately supplies and stops the washing water. Therefore, as the flow path switching unit 700 rotates while repeatedly raising and lowering, the first and second main arm inlets 354a and 354b and the first and second extension part inlets 354c and 354d may be alternately opened and closed. .
- FIG. 27 is a perspective view showing an eccentric gear unit according to an embodiment of the present invention
- Figure 28 is a bottom perspective view showing an eccentric gear unit according to an embodiment of the present invention
- Figure 29 is an eccentric gear according to an embodiment of the present invention It is a top view which showed the part.
- the eccentric gear unit 800 includes a rim portion 810 having a plurality of second gears 812 formed on an outer circumferential surface thereof, and a rotation shaft support protrusion 820 in which the gear rotation shaft 347b is accommodated. And an eccentric protrusion 830 inserted into the link member 900 to reciprocate the link member 900.
- the rim portion 810 is formed in a ring shape and a plurality of second gear teeth 812 are formed along the outer circumferential surface, and the eccentric of the link member 900 supporting the eccentric gear portion 800 on the lower surface of the rim portion 810.
- the anti-friction rib 816 protrudes and is formed to minimize friction with the gear receiving portion 940.
- the upper surface of the second gear 812 is inclined surface 814 is inclined so as to descend to the outside of the rim 810 by a predetermined angle (D5). That is, the washing water and the foreign matter may be introduced into the upper portion of the second gear 812 when the washing by the washing water, and the upper surface of the second gear 812 is the outer side of the rim 810 for drainage and discharge of the introduced washing water and foreign matter. Therefore, it is preferable that the inclined surface 814 inclined downward by a predetermined angle D5 is formed.
- a plurality of rotation shaft support protrusions 820 protrude from the inner circumferential surface of the rim portion 810 forming the eccentric gear portion 800 to form the gear rotation shaft 347b formed on the second lower main arm 341b of the main arm lower housing 340. Is provided to support the outer circumferential surface.
- the rotation shaft support protrusion 834 may be in linear contact with the gear rotation shaft 347b to relatively reduce friction with the gear rotation shaft 347b.
- a plurality of protrusions are formed on the inner circumferential surface of the rim 810 of the eccentric gear unit 800. That is, a plurality of spaces are formed between the rotation shaft support protrusions 820.
- the space between the rotary shaft support protrusion 820 forms a space in which the rotary shaft support protrusion 820 can elastically deform. That is, when an external force acts on the rim 810 of the eccentric gear unit 800, the rotation shaft support protrusion 820 may be deformed into an adjacent space, thereby securing a space in which the rim 810 may be deformed.
- each end of the rotary shaft support projection 820 is formed with a projection 822 for securing a support state with the gear shaft 347b.
- the flow of the eccentric gear part 800 may be generated due to the clearance of the space between the shaft support protrusions 820 according to the rotation of the eccentric gear part 800. have. Therefore, the protrusion 822 may be formed to extend to a predetermined height in order to secure the support state of the gear rotating shaft 347b.
- the protrusion 822 also serves to secure the installation position of the eccentric gear portion 800.
- the eccentric gear unit 800 is installed under the second lower main arm 341b and is prevented from being separated by the link member 900.
- the link member 900 is located below the second lower main arm 341b, and the installation position of the eccentric gear portion 800 is lowered or the thickness of the eccentric gear portion 800 is at least as thick as the link member 900. Should be increased. Therefore, by forming the protrusion 822 to a height L3 thicker than the thickness of the link member, it is possible to secure the installation position of the eccentric gear portion 800 without increasing the thickness of the eccentric gear portion 800.
- the end of the protrusion 822 may be further formed with a rotary shaft ring 824 in linear contact with the gear shaft 347b in the circumferential direction.
- Protruding portion 822 may be formed on the rotation shaft support protrusion 820 to secure the support state of the gear rotation shaft 347b to some extent, but the protrusion 822 may extend from the rotation shaft support protrusion 820. Relatively flow of eccentric gear portion 800 may occur due to the clearance of the space between 820 and protrusion 822. Therefore, the rotation shaft ring 824 may be further formed to further secure the support state of the gear rotation shaft 347b.
- the eccentric protrusion 830 extends and is spaced apart from the rotation axis of the eccentric gear portion 800 by a predetermined distance (L4) from the lower portion of the eccentric gear portion (800).
- the eccentric protrusion 830 is inserted into the eccentric gear receiving portion 940 of the link member 900 in which the eccentric gear portion 800 is accommodated. Therefore, it is preferable that the height L5 is formed at least thicker than the thickness of the eccentric gear accommodation portion 940.
- the eccentric protrusion 830 linearly reciprocates the rotational force of the eccentric gear unit 800 when the eccentric gear unit 800 is engaged with the fixed gear unit 500 to revolve and rotate along the outer circumferential surface of the fixed gear unit 500. Switch to the transfer to the link member 900.
- the distance L4 between the eccentric protrusion 830 and the rotation axis is related to the reciprocating movement distance of the link member 900, and the rotation of the first and second auxiliary arms 400a and 400b reciprocated by the link member 900. It is related to the angle. That is, as the distance between the eccentric protrusion 830 and the rotating shaft increases, the reciprocating movement distance of the link member 900 increases, and as the reciprocating movement distance of the link member 900 increases, the first and second auxiliary arms 400a and 400b are formed. The angle of rotation can also be increased.
- the eccentric protrusion 830 may protrude in the opposite direction of the protrusion 822 from the rotation shaft support protrusion 820 of the eccentric gear unit 800.
- the eccentric position of the eccentric protrusion 830 overlaps with the insertion region of the gear rotating shaft 347b supported by the rotating shaft supporting protrusion 820, that is, the inner side of the eccentric protrusion 830 (that is, the gear rotating shaft 347b is inserted).
- Area a rotation shaft groove 832 for inserting the gear rotation shaft 347b may be further formed.
- the rotary shaft groove 832 like the rotary shaft support protrusion 834, in order to prevent friction with the outer peripheral surface of the gear rotating shaft 347b, the rotary shaft groove supporting the gear rotating shaft 347b by linear contact with the outer peripheral surface of the gear rotating shaft 347b.
- the support protrusion 834 may be further formed.
- the rim portion 810, the rotating shaft support protrusion 820, the eccentric protrusion 830 forming the eccentric gear portion 800 is preferably formed integrally injected with a synthetic resin material. However, if necessary, at least one of the rim 810, the rotation shaft support protrusion 820, and the eccentric protrusion 830 forming the eccentric gear unit 800 may be formed and assembled in a separate configuration.
- FIG. 30 is a cross-sectional view showing a rotary gear unit according to an embodiment of the present invention
- Figure 31 is a plan view showing a fixed gear unit and a rotary gear unit according to an embodiment of the present invention.
- the eccentric gear part 800 is rotatably inserted into the gear rotation shaft 347b formed in the second lower main arm 341b of the main arm lower housing 340, and has a link member ( It is supported by the eccentric gear receiving portion 940 of 900, in the case of the second gear teeth 812 of the eccentric gear portion is meshed with the first gear teeth 512 of the fixed gear portion 500.
- the number of the second gear 812 formed in the eccentric gear portion 800 and the first gear 512 formed in the fixed gear portion 500 as described above is the rotation of the injection arm 200 and the first , Two secondary arms 400a, 400b.
- the rotational motion patterns of the second auxiliary arms 400a and 400b may have a specific period according to the drainage relationship between the first and second gear teeth 512 and 812.
- the rotational motion of the first and second auxiliary arms 400a and 400b may be constantly repeated according to the rotational position of the injection arm 200. . Therefore, the spray pattern of the washing water sprayed from the first and second auxiliary arms 400a and 400b is always repeated at a constant position.
- the spraying pattern of the washing water sprayed from the spraying arm 200 and the spraying pattern and the region of the washing water spraying from the first and second auxiliary arms 400a and 400b are repeated at specific cycles.
- the spraying position of the washing water sprayed by 400b) is always sprayed at a constant position.
- the washing water spraying area by the first and second sub-arms 400a and 400b is limited to the first and second parts.
- the cleaning force of the auxiliary arms 400a and 400b is reduced, and when the spray patterns of the washing water by the first and second auxiliary arms 400a and 400b become constant, the spraying range of the washing water becomes constant. This may lead to a decrease in the cleaning power of 1).
- the number of first gears 512 of the fixed gear unit 500 and the number of second gears 812 of the eccentric gear unit 800 may be formed in a relative prime relationship.
- the fixed gear unit 500 and the eccentric gear unit Since the rotation pattern period of 800 is much longer than the drainage relationship between the first and second gear teeth 512 and 812, the spray pattern of the washing water sprayed by the first and second auxiliary arms 400a and 400b may vary.
- the second gear teeth 812 of the eccentric gear portion 800 has a relatively smaller diameter than the first gear teeth 512 of the fixed gear portion 500, and the friction between the first gear teeth 512 An undercut phenomenon may occur in the two gear teeth 812. Accordingly, in the case of the second gear 812, an under cut groove 812a may be further formed to prevent abrasion due to friction.
- the fixed gear unit 500 in which the first gear 512 is formed and the eccentric gear unit 800 in which the second gear is formed may be formed of different materials.
- the material of the fixed gear unit 500 may be formed of a harder material than the material of the eccentric gear unit 800.
- the eccentric gear part 800 may limit the rotation of the injection arm 200.
- the eccentric gear unit 800 is supported by the plurality of rotation shaft support protrusions 820 on the gear rotation shaft 347b.
- the rotary shaft support protrusion 820 has an interval L5 formed between each of the rotary shaft support protrusions 820, thereby enabling elastic deformation to the space L5 space. Therefore, when foreign matter is caught between the second gear 812 of the eccentric gear unit 800 and the first gear 512 of the fixed gear unit 500, the rim portion 810 of the eccentric gear unit 800 is formed by the volume of the foreign matter. An external force is applied and the rotation shaft support protrusion 820 inside the rim portion 810 is elastically deformed so that the eccentric gear portion 800 may be rotated along the fixed gear portion 500 irrespective of foreign matters caught in the first and second gears. .
- FIG. 32 is a perspective view showing a link member according to an embodiment of the present invention
- FIG. 33 is a rear view showing a link member according to an embodiment of the present invention
- FIG. 34 is a line E′-E ′′ of FIG. 32. It is sectional drawing shown.
- the link member 900 includes a rim body 910 having a hole in the form of a long hole into which the injection arm holder engaging portion 356 of the main arm lower housing 340 is movably inserted.
- the first main link 920a is movably extended from the rim body 910 to the first main arm 300a and the second main arm 300b is movable from the rim body 910 to the second main arm 300b.
- a second main link 920b coupled to the eccentric gear unit 800 and coupled to the first auxiliary link 950a extending to the first extension part 300c and connected to the first auxiliary arm 400a; And a second auxiliary link 950b extending to the second extension part 300d and connected to the second auxiliary arm 400b.
- the rim-shaped body 910 is inserted into the injection arm holder coupling portion 356 inside the width of the injection arm holder coupling portion 356 width so that the link member 900 is movable relative to the injection arm holder 600
- the length of the rectangular hole 911 corresponding to the moving distance of the link member 900 is formed.
- the rectangular hole 911 has another hole H2 in which the center of the hole H1 which is slightly extended than the injection arm holder coupling part 356 according to the moving distance of the link member is spaced apart by the moving distance L6 of the link member 900. It can be formed by.
- an upward reinforcement rib 913 for reinforcing the strength of the rim body 910 is formed extending in the upper direction of the rim body 910.
- a downward reinforcement rib 914 for reinforcing the strength of the rim body 910 is formed extending in the lower direction of the rim body 910.
- the upward reinforcement rib 913 and the downward reinforcement rib 914 reinforce the strength of the rim body 910 and at the same time the washing water and foreign matter flowing into the upper portion of the link member 900 to the outside of the rim body 910 To be discharged.
- the washing water and foreign matter introduced into the upper portion of the link member 900 is prevented from entering the injection arm holder coupling portion 356 by the upward reinforcing rib 913 formed upwardly in the rim body 910. It is led to the lower side of the link member 900 along the downward reinforcement ribs 914 which are formed downwardly outside the rim body 910.
- the first and second main links 920a and 920b and the first and second auxiliary links 950a and 950b may be extended. Accordingly, in the case of the downward reinforcement rib 914, the first and second main links 920a and 920b and the first and second auxiliary links 950a and 950b may be formed. It is preferable that the first and second auxiliary links 950a and 950b are formed higher than the heights.
- one side of the outer peripheral surface of the rim-shaped body 910 is formed with a cutting portion 918 corresponding to the shape of the injection arm 200 to prevent the link member 900 is exposed to the outside of the injection arm 200.
- the cutting part 918 may be formed between the first main arm 300a and the first extension part 300c and between the second main arm 300b and the second extension part 300d.
- an obtuse angle D2 (see FIG. 5) is injected. This is because the link member 900 under the arm 200 can be easily exposed to the upper portion of the injection arm 200.
- the position of the cutting part 918 is not limited and may be formed in another position as necessary.
- the first main link 920a is formed inside the first extension plate 921a and the first extension plate 921a extending from the downward reinforcement rib 914 of the rim body 910 to the first main arm 300a.
- a first movement long hole 929a formed at an end of the first drain hole 927a and an end of the first extension plate 921a and movably coupled to the first guide protrusion 345a of the first lower main arm 341a. This can be formed.
- the first extension plate 921a extends in a width narrower than the width of the first main arm 300a and is formed on the inner circumferential surface of the first extension plate 921a (that is, the outer circumferential surface of the first drain hole 927a).
- a first reinforcing rib 923a extending in the downward direction of the extension plate 921a is formed.
- a plurality of first wear preventing protrusions 925a are formed on the upper surface of the first extension plate 921a to prevent friction with the first lower main arm 341a.
- the first reinforcing rib (923a) serves to guide the wash water and foreign matter to the lower side of the first extension plate (921a) when the washing water and foreign matter flowed into the first extension plate (921a).
- the first moving long hole 929a is formed to extend in a direction parallel to the reciprocating movement direction of the link member 900, and the length of the first moving long hole 929a is greater than the reciprocating moving interval of the link member 900. It is preferable.
- the second main link is recessed downward from the central portion of the second extension plate 921b and the second extension plate 921b extending from the downward reinforcement rib 914 of the rim body 910 to the second main arm 300b. And formed at the end of the eccentric gear receiving portion 940 and the second extension plate 921b for accommodating the eccentric gear portion 800 and movably coupled to the second guide protrusion 345b of the second lower main arm 341b.
- a second moving long hole 939b may be formed.
- the second extension plate 921b extends in a width narrower than the width of the second main arm 300b and the eccentric gear accommodation portion is formed inside the second extension plate 921b.
- the second moving long hole 939b is formed to extend in a direction parallel to the reciprocating movement direction of the link member 900, and the length of the second moving long hole 939b is larger than the reciprocating moving interval of the link member 900. It is desirable to be.
- the eccentric gear receiving portion 940 is preferably formed deeper than the height except at least the eccentric protrusion 830 of the eccentric gear portion 800 so that the eccentric gear portion 800 can be accommodated.
- the upper surface of the eccentric gear receiving portion 940 is formed with a recess portion 941 for preventing direct contact with the eccentric gear portion 800, and the recessed portion 941 is a friction preventing rib of the eccentric gear portion 800 ( Preferably, at least three anti-wear ribs 943 contacting the 916 are formed.
- the eccentric protrusion insertion slot 945 into which the eccentric protrusion 830 of the eccentric gear part 800 is inserted is inserted into the recess 941 of the eccentric gear accommodation part 940, and the eccentric gear part 800 and the eccentric gear accommodation part.
- a second drain hole 947 is formed to discharge the washing water and the foreign matter introduced into the 940.
- the eccentric protrusion insertion slot 945 extends in a direction perpendicular to the moving direction of the link member. Therefore, as the eccentric gear part 800 inserted into the gear rotation shaft 347b is rotated, the eccentric protrusion 830 of the eccentric gear part 800 moves to the eccentric protrusion insertion slot 945 in the first and second moving long holes 929a and 939b. ), An external force is generated in a direction parallel to each other so that the link member 900 may reciprocate.
- the eccentric protrusion insertion slot 945 is formed at least larger than the rotation radius of the eccentric protrusion 830, and the direction of formation of the eccentric protrusion insertion slot 945 may be set differently according to the moving distance of the link member 900. . That is, when the direction in which the eccentric protrusion insertion slot 945 is formed is orthogonal to the movement direction of the link member 900, the reciprocating movement distance of the link member 900 may be the largest.
- the center of the eccentric protrusion insertion slot 945 of 940 may be located in a straight line. This is because the reciprocating movement of the link member 900 can be moved most efficiently according to the reciprocating movement of the link member 900 by the eccentric gear unit 800.
- first auxiliary link 950a extends in the direction of the first extension part 300c and is formed on the bottom of the first auxiliary arm 400a rotatably coupled to the first extension part 300c. Is coupled to.
- the first auxiliary link 950a includes a first elastic buffer 960a and a first elastic buffer 960a extending from the downward reinforcement rib 914 of the rim body 910 to the first extension part 300c.
- the first auxiliary arm coupling part 970a may be formed at an end of the circumference and fastened to the pivoting protrusion 425a.
- the second auxiliary link 950b extends in the direction of the second extension part 300d and is formed on the lower part of the second auxiliary arm 400b rotatably coupled to the second extension part 300d. Is coupled to.
- the second auxiliary link 950b includes a second elastic buffer portion 960b and a second elastic buffer portion 960b extending from the downward reinforcement rib 914 of the rim body 910 to the second extension portion 300d.
- a second auxiliary arm coupling portion 970b may be formed at the end of the) and fastened to the pivoting protrusion 425a.
- the rim-shaped body 910, the first and second main links 920a and 920b, and the first and second auxiliary links 950a and 950b, which form the link member 900 described above, may be formed and assembled in separate configurations, respectively. It may be, but is preferably integrally injection molded for the convenience of manufacturing.
- first and second elastic buffer parts 960a and 960b and the first and second auxiliary arm coupling parts 970a and 970b may be formed to be symmetrical to the rim body 910 in the same form. Therefore, the first and second elastic buffer parts 960a and 960b and the first and second auxiliary arm coupling parts 970a and 970b are not described separately, respectively, and represent the first elastic buffer part 960a and the first auxiliary arm coupling part.
- first and second elastic buffer parts 960a and 960b and the first and second auxiliary arm coupling parts 970a and 970b are not described separately, respectively, and represent the first elastic buffer part 960a and the first auxiliary arm coupling part.
- FIG. 35 is an enlarged view illustrating a first elastic buffer part and a first auxiliary arm coupling part of a link member according to an embodiment of the present invention
- FIG. 36 is a cross-sectional view taken along line F′-F ′′ of FIG. 35
- FIG. 37 Is a cross-sectional view taken along the line G′-G ′′ in FIG. 35.
- the first auxiliary arm coupling part 970a is formed at an end of the first auxiliary link 950a to insert the pivot protrusion 425a formed at the lower part of the first auxiliary arm 400a.
- 971a) is formed, the first inclined surface for securing the rotation space of the rotation projection when the first auxiliary arm 400a is rotated in the adjacent portion of the first pivotal hole (971a) of the lower surface of the first secondary arm coupling portion (970a) 973a is formed.
- the upper surface of the first sub-arm coupling portion 970a corresponds to the lower shape of the first sub-arm 400a so that the first pivotal hole 971a side is concave and both sides of the first sub-arm coupling portion 970a. This is formed in an upward shape (see Fig. 36). Meanwhile, the washing water and the foreign matter introduced into the upper portion of the first auxiliary arm coupling unit 970a may be formed in the first rotational length hole at both sides of the first auxiliary arm coupling unit 970a according to the upper shape of the first auxiliary arm coupling unit 970a. 971a) to be discharged through the first rotational hole 971a.
- the first pivot hole (971a) may be formed to a predetermined length that can be inserted into the pivoting projection (425a) formed in the first auxiliary arm (400a). At least the length of the first swinging hole 971a is preferably longer than the length of the separation preventing protrusion 427a formed in the pivoting protrusion 425a.
- the width of the first swinging hole 971a may cause interference between the pivoting protrusion 425a and the first swinging hole 971a when the link member 900 is reciprocated for rotation of the first auxiliary arm 400a. It may be formed to a width that does not occur.
- the position of the first auxiliary arm coupling part 970a is when the pivoting protrusion 425a of the first auxiliary arm 400a is inserted into the first pivoting hole 971a formed in the first auxiliary arm coupling part 970a. It is preferable that the first pivotal hole 971a and the pivoting projection 425a are not in direct contact or the first pivotal hole 971a and the pivoting projection 425a are formed at a position capable of forming a minimum contact force.
- the pivoting hole 971a of the first auxiliary arm coupling part 970a presses the pivoting protrusion 425a to allow the first auxiliary arm 400a to reciprocate. Since the arm 400a rotates, wear may occur in the pivoting protrusion 425a or the first pivoting hole 971a. Therefore, the contact force between the first rotating field hole 971a and the rotating protrusion 425a may be minimized to prevent wear of the first rotating field hole 971a and the rotating protrusion 425a.
- the first elastic buffer portion 960a is a pair of first extension links (961a) extending from the downward reinforcement ribs 914 of the rim-shaped body 910 toward the center of the first auxiliary arm connecting portion (330a), A pair of second extension links 965a extending from the outer side of the first auxiliary arm connecting portion 330a to the outer side of the pair of first extension links 961a by a predetermined interval, and a pair of first extension links ( And an elastic link 963a that connects an end of each first extension link 961a and an end of each second extension link 965a to the outside of the 961a and the inside of the pair of second extension links 965a. Can be.
- the pair of first extension links 961a may be formed in a bar shape in which the cross-sectional area is reduced as it extends from the downward reinforcement rib 914.
- the pair of first extension links 961a may be formed to be symmetrical with respect to each of the first extension links 961a.
- the first extension link (961a) has a predetermined elastic force and at the same time as the rim body 910 is reciprocated in accordance with the rotation of the eccentric gear portion 800, the kinetic force according to the reciprocating movement to the first auxiliary arm connection (330a) This is because it is necessary to maintain the strength with the rim-shaped body 910. That is, the pair of first extension links 61a are formed in a symmetrical form because the pair of first extension links 61a must maintain strength in accordance with the direction of movement according to the reciprocating motion of the rim body 910.
- the pair of second extension link 965a extends by forming a predetermined gap on the outside of the pair of first extension links 961a from the first auxiliary arm connecting portion 330a to the rim body 910 side.
- the second extension link may be formed in a bar shape in which a cross-sectional area is enlarged as it extends from the first auxiliary arm connection part 330a toward the rim body 910.
- the pair of second extension links 965a may be formed in a symmetrical form with respect to each of the first extension links 961a.
- the elastic link 963a connects an end portion of the first extension link 961a and an end portion of the second extension link 965a with respect to the parallel and orthogonal directions in the reciprocating direction of the first auxiliary arm connecting portion 330a. Elastic force can be exhibited.
- the elastic force is exerted with respect to the movement force in the direction orthogonal to the forming direction of the first and second extension links 961a and 965a. have.
- the elastic force cannot be exerted on the kinetic force in the direction parallel to the direction in which the first and second extension links 961a and 965a are formed.
- the elastic link 963a may incline each end of the first and second extension links 961a and 965a at a predetermined angle to form an elastic force in another direction that cannot be exerted on the first and second extension links.
- the elastic link 963a may have a curved portion 964a formed to be curved in opposite directions on one side connected to the first extension link 961a and the other side connected to the second extension link 965a, respectively.
- the curved portion 964a has an effect of extending the directionality of the elastic force that can be exerted on the elastic link 963a.
- a link reinforcing portion 967a may be further formed at the contact portions of the first extension link 961a, the second extension link 965a, and the elastic link 963a to prevent breakage due to stress concentration.
- the link reinforcing portion (967a) may be formed in a cylindrical shape in which the end of each link is in contact with the longitudinal direction of the outer peripheral surface.
- the left and right widths of each cross section of the first extension link 961a, the second extension link 965a, and the elastic link 963a are smaller than the upper and lower widths. That is, when the left and right widths of the first extension link 961a, the second extension link 965a, and the elastic link 963a are wide, the first extension link 961a, the second extension link 965a, and the elastic link ( This is because the likelihood of washing water and foreign matter remaining on the top of 963a) may increase.
- the first elastic link portion 960a also acts as a buffer. Can be effective. That is, when the cross section of the first extension link (961a), the second extension link (965a), the elastic link (963a) is formed as described above, in the case of the link member 900 is formed orthogonal to the reciprocating movement direction. The elastic force can be effectively exerted with respect to the moving direction of the link member 900.
- the elastic force of the first elastic buffer 960a may vary depending on the material, shape, and the like of the first extension link 961a, the second extension link 965a, and the elastic link 963a. That is, the elastic force of the first elastic buffer part may be adjusted by using materials having different elastic strains from the first extension link 961a, the second extension link 965a, and the elastic link 963a. Alternatively, the elastic force of the first elastic buffer 960a may be adjusted by varying the thickness, length, width, and the like of the first extension link 961a, the second extension link 965a, and the elastic link 963a. Alternatively, the elastic force of the first elastic buffer 960a may be adjusted by varying an angle and a shape of the elastic link 963a connecting the first extension link 961a and the second extension link 965a.
- the elastic deformation range of the first elastic buffer 960a may be formed by the distance between the first extension link (961a), the second extension link (965a), the elastic link (963a). That is, when the distance between the first extension link 961a, the second extension link 965a, and the elastic link 963a is widened, the elastic deformation range of the first elastic buffer portion 960a may be increased. When the distance between the extension link 961a, the second extension link 965a, and the elastic link 963a is narrowed, the elastic deformation range of the first elastic buffer 960a may be narrowed.
- first extension link 961a, the second extension link 965a, and the elastic link 963a correspond to the shape of the lower surface of the first extension part 300c in which the first elastic buffer part 960a is located. It may be formed at different heights and different top and bottom widths.
- the elastic force of the first elastic shock absorbing portion 960a transmits the kinetic force of the link member 900 to which the link member 900 is reciprocated according to the rotation of the eccentric gear portion 800 to the first auxiliary arm 400a.
- the minimum elastic force capable of rotating the first auxiliary arm 400a and the momentum force of the link member 900 when the first auxiliary arm 400a is restrained can be buffered without transmitting to the first auxiliary arm 400a. Elastic force must be satisfied.
- the link member 900, the eccentric gear part 800, the injection arm 200, and the fixed gear part which transmit power to the first auxiliary arm 400a by the first auxiliary arm 400a whose rotation is constrained ( Driving of 500 may be constrained in series.
- the reciprocating movement of the link member 900 for rotating the first auxiliary arm 400a is constrained by the first auxiliary arm 400a, and the link member 900 is restricted.
- the eccentric gear portion 800 for reciprocating the link member 900 is constrained by the link member 900 and the eccentric gear is constrained by the rotation of the eccentric gear portion 800.
- Relative rotation of the part 800 and the fixed gear unit 500 may be constrained to constrain the rotation of the injection arm 200 to which the eccentric gear unit 800 is coupled.
- the first elastic buffer 960a of the first auxiliary link 950a buffers and absorbs the force transmitted from the link member 900 with a predetermined elastic force when the rotation of the first auxiliary arm 400a is restricted.
- the member 900 may be reciprocated. Therefore, even if the rotation of the first auxiliary arm 400a is constrained, the link member 900 to rotate the first auxiliary arm 400a may reciprocate to transfer power to the first auxiliary arm 400a.
- the eccentric gear unit 800, the injection arm 200, and the fixed gear unit 500 may be driven.
- FIG. 38 is a bottom perspective view illustrating a coupling state of a link member according to an embodiment of the present invention.
- the first auxiliary arm 400a and the second auxiliary arm 400b are disposed at the first extension part 300c and the second extension part 300d of the main arm 300.
- the eccentric gear portion 800 may be inserted into the gear rotation shaft 347b formed in the second main arm 300b of the injection arm 200.
- the link member 900 is rim-shaped body 910 of the link member 900 is movably coupled to the injection arm holder coupling portion 356 of the main arm 300 in the rectangular hole.
- the first and second main links 920a and 920b of the link member 900 are movably coupled to the first and second guide protrusions 345a and 345b of the first and second main arms 300a and 300b.
- the first and second auxiliary links 950a and 950b are coupled to the pivoting protrusions of the first and second auxiliary arms 400a and 400b.
- the pivoting hole 425a of the first auxiliary arm 400a is inserted into the first pivoting hole 971a of the first auxiliary link 950a in a flowable manner.
- the first auxiliary long link hole 971a of the first auxiliary link 950a is inserted into the rotation protrusion 425a so that the departure preventing protrusion 427a formed in the pivoting protrusion 425a is inserted into the first auxiliary link 950a.
- the first elastic shock absorbing portion 960a formed therein is stretched and bent at a predetermined distance by the elastic force, and the departure preventing protrusion 427a is inserted into the first rotational field hole 971a.
- the first elastic buffer 960a is restored to its original state after insertion of the escape preventing protrusion 427a and is mounted on the pivoting protrusion 425a at the first pivoting hole 971a.
- the pivoting protrusion 425a of the second auxiliary arm 400b is inserted in a flowable manner.
- the second auxiliary link hole 950b of the second auxiliary link 950b is inserted into the anti-separation protrusion 425a formed in the rotation protrusion 425a when the second auxiliary long hole 971b is mounted on the rotation protrusion 425a.
- the second elastic shock absorbing portion 960b formed therein is stretched and bent at the same time by the elastic force, and the departure preventing protrusion 427b is inserted into the second rotational field hole 971b. Thereafter, the second elastic buffer 960b is restored to its original state after insertion of the escape preventing protrusion 427b and is mounted on the pivoting protrusion 425a at the second pivoting hole 971b.
- the first moving long hole 929a of the first main link 920a is inserted into the first guide protrusion 345a of the first main arm 300a so as to be movable, and the first moving long hole 929a is formed of the first moving long hole 929a.
- the first expansion step 346a formed in the guide protrusion 345a is inserted into the first guide protrusion 345a by being inserted into the first guide protrusion 345a by being forcibly fitted and prevented from being separated by the first extension step.
- the second movable long hole 939b of the second main link 920b is inserted into the second guide protrusion 345b of the second main arm 300b so as to be movable, and the second movable long hole 939b is provided as the second movable long hole 939b.
- the second extension step 346b formed in the guide protrusion 345b is inserted into the second guide protrusion 345b so as to be inserted into the second guide protrusion 345b so as to be movably inserted and prevented from being separated by the second extension step 346b.
- the eccentric gear portion 800 rotatably coupled to the gear rotation shaft 347b at the bottom of the second main arm 300b is supported by the eccentric gear receiving portion 940 of the second main link 920b.
- the eccentric protrusion 830 of the eccentric gear unit 800 is inserted into the eccentric protrusion insertion slot 945 formed in the eccentric gear receiving unit 940 of the second main link 920b.
- the fixed gear portion 500 is further coupled to the injection arm holder coupling portion 356.
- the fixed gear part 500 is mounted to surround the circumference of the injection arm holder coupling part 356. That is, the injection arm holder coupling portion 356 is inserted into the rim portion 510 of the fixed gear portion 500.
- the first gear 512 of the fixed gear unit 500 is meshed with the second gear 812 of the eccentric gear unit 800.
- the injection arm holder 600 is further coupled to the injection arm 200.
- the injection arm holder 600 is inserted into the injection arm holder engaging portion 356, and then, when the injection arm holder 600 is rotated by a predetermined angle, the locking projection 622a of the injection arm holder 600 becomes the injection arm.
- the injection arm holder 600 is fixed to the injection arm holder coupling part 356 by being mounted on the injection arm holder coupling protrusion 656a of the holder coupling part 356.
- the sump insertion part 630 of the injection arm holder 600 is inserted into the injection arm holder seating part 53, and the fastening part 530 of the fixed gear part 500 is coupled to the sump boss 50 of the sump cover 50. Installation of the injection arm 200 is completed by engaging with 51).
- Figure 40 is a side view showing the operation of the auxiliary arm according to an embodiment of the present invention.
- 39 (a), (b), (c), and (d) show the injection arm assembly 100 when the eccentric gear portion 800 is rotated by 0 degrees, 90 degrees, 180 degrees, and 270 degrees, respectively.
- 40 (a) is a side view showing a state in which the first spraying arm is not rotated
- FIG. 40 (b) is a side view showing a state in which the first spraying arm is rotated.
- the eccentric protrusion 830 is located at one side in the eccentric protrusion insertion slot 945.
- the first auxiliary arm 400a is disposed in parallel with the main arm 300.
- the rotation of the injection arm 200 is started by the washing water sprayed from the first and second main arms 300a and 300b or the first and second auxiliary arms 400a and 400b. do.
- the eccentric gear part 800 provided in the injection arm 200 is engaged with the fixed gear part 500 fixed to the sump cover 50 to form an outer circumferential surface of the fixed gear part 500. Rotating and rotating accordingly.
- the first and second main links 920a and 920b are formed of the first and second guide protrusions 345a and 345b formed on the first and second main arms 300a and 300b.
- the first auxiliary link 950a rotates the pivoting protrusion 425a of the first and second auxiliary arms 400a and 400b in one direction.
- the first and second auxiliary arms 400a and 400b rotate by a predetermined angle in the clockwise direction.
- the angle at which the first and second auxiliary arms 400a and 400b may be rotated may be rotated at an angle of about 15 degrees to 40 degrees.
- the first auxiliary arm 400a rotates by a predetermined angle in the counterclockwise direction (that is, the direction opposite to FIG. 40 (b)).
- the angle at which the first and second auxiliary arms 400a and 400b can be rotated may be rotated at an angle of about 15 degrees to 40 degrees.
- first auxiliary arm 400a and the second auxiliary arm 400b may rotate at the same angle to the link member 900 at the same time.
- the link member 900 may reciprocate by a distance between the center of rotation of the eccentric gear unit 800 and the eccentric protrusion 830 by the rotation of the eccentric gear unit 800.
- FIG. 41 to 42 are conceptual views illustrating the spraying area of the spraying arm according to an embodiment of the present invention
- FIG. 43 is a side view illustrating the spraying of the auxiliary arm according to the embodiment of the present invention.
- FIG. 41 is a conceptual view showing the washing water is sprayed from the first and second main arms
- Figure 42 is a conceptual diagram showing the washing water is sprayed from the first and second auxiliary arms.
- the first and second main arms 300a and 300b include a plurality of first and second injection holes 314a and 314b and first and second inclined injection holes 315a and 315b.
- the first main arm 300a may include a plurality of first injection holes 314a and a first inclined injection hole 315a.
- the second main arm 300b may also include a plurality of second injection holes 314b and second inclination jets.
- the washing water sprayed from the first and second inclined nozzles 315a and 315b sprays the washing water in a direction opposite to the rotation direction of the first and second main arms 300a and 300b.
- the washing water sprayed from 315b may be deflected at an acute angle with respect to the planes of rotation of the first and second main arms 300a and 300b.
- the main arm 300 may rotate by thrust generated by spraying the washing water from the deflected first and second inclined injection holes 315a and 315b. That is, the washing water is injected from the first and second inclined injection holes 315a and 315b to generate a predetermined torque value at which the injection arm 200 may be rotated.
- the torque acting on the injection arm 200 by the washing water injected from the first inclined injection port 315a of the first main arm 300a, and the first inclined injection port 315a of the first main arm 300a has the same direction with respect to the rotation center of the injection arm 200.
- At least one or more of the first inclined injection port 315a and the second inclined injection port 315b may be deflected to spray the washing water in a tangential direction of the rotational trajectory of the injection arm 200. In this case, the rotational force by the washing water injection may be further increased.
- the first injection port 314a and the second injection port 314b may spray washing water in a vertical direction of the injection arm 200 or may have the same direction as the first and second inclination injection ports 315a and 315b.
- the first and second injection holes 314a and 314b and the first and second inclined injection holes 315a and 315b may be deflected at different angles to spray the washing water at various angles.
- the first and second injection ports 314a and 314b and the first and second inclined injection holes 315a and 315b are formed to have injection regions that are not overlapped at different distances with respect to the rotation center of the injection arm 200.
- the first and second auxiliary arms 400a and 400b include a plurality of first and second auxiliary injection holes 414a and 414b and first and second auxiliary inclined injection holes 415a and 415b.
- the first auxiliary arm 400a may include a plurality of first auxiliary injection holes 414a and first auxiliary inclined injection holes 415a.
- the second auxiliary arm 400b may also include a plurality of second auxiliary injection holes 414b and second auxiliary inclined jets.
- the plurality of first and second auxiliary injection holes 414a and 414b and the plurality of first and second auxiliary inclined injection holes 415a and In 415b) washing water may be sprayed simultaneously.
- the washing water sprayed from the first and second auxiliary inclined spray holes 415a and 415b sprays the washing water in a direction opposite to the rotation direction of the first and second auxiliary arms 400a and 400b, and the first and second auxiliary inclined spray holes (
- the washing water sprayed from 415a and 415b may be deflected at an acute angle with respect to the planes of rotation of the first and second auxiliary arms 400a and 400b.
- the main arm 300 may rotate by thrust generated by spraying the washing water from the deflected first and second auxiliary inclined spray holes 415a and 415b. That is, the washing water is injected from the first and second auxiliary inclined spray holes 415a and 415b to generate a predetermined torque value at which the spray arm 200 may be rotated.
- the first and second auxiliary arms 400a and 414b and the first and second auxiliary inclined nozzles 415a and 415b rotate in the same direction.
- the magnitude and direction of the torque due to the washing water sprayed from may be changed.
- the washing water spraying directions at the first and second auxiliary spray holes 414a and 414b of the first and second auxiliary arms 400a and 400b and the first and second auxiliary inclined spray ports 415a and 415b will be described.
- the first and second auxiliary arms 400a and 400b are rotated in the same direction and form torque in the same direction. Therefore, the first auxiliary arm 400a is described as an example, and the detailed description of the second auxiliary arm 400b is omitted.
- 43 is a side view showing the injection of the auxiliary arm according to an embodiment of the present invention.
- FIG. 43 (a) shows the first auxiliary arm 400a not rotating
- FIG. 43 (b) shows the first auxiliary arm 400a rotated clockwise as much as possible
- 43 (c) is a view showing the first auxiliary arm 400a rotated in the counterclockwise direction as much as possible.
- the washing water is sprayed at the same time from the first auxiliary jetting port 414a and the first auxiliary tilting jetting port 415a.
- the washing water spraying direction A1 at the first auxiliary spraying hole 414a and the washing water spraying direction A2 at the first auxiliary inclining spraying hole 415a may face the upper left side with reference to the drawings.
- the spraying directions A1 and A2 of the washing water sprayed from the first auxiliary spray hole 414a and the first auxiliary inclined spray hole 415a may always be at an acute angle with respect to the plane of rotation of the spray arm 200. Accordingly, the rotational torque may be applied to the first auxiliary arm 400a in the rotational direction of the injection arm 200 by the washing water sprayed from the first auxiliary injection port 414a and the first auxiliary inclined injection port 415a.
- the spraying direction of the washing water sprayed from the first auxiliary injector 414a and the first auxiliary inclined injector 415a A1 and A2 may be injected to face in the direction opposite to the rotational direction of the injection arm 200. Therefore, even when the first auxiliary arm 400a is rotated in the clockwise direction, rotation torque may be applied to the first auxiliary arm 400a in the rotational direction of the injection arm 200.
- the spraying direction of the washing water sprayed from the first auxiliary injection hole 414a and the first auxiliary inclined injection hole 415a may be injected in a direction opposite to the rotation direction of the injection arm 200. Therefore, even when the first auxiliary arm 400a is rotated in the other direction, torque may be applied to the first auxiliary arm 400a in the rotational direction of the injection arm 200.
- the rotation angle of the first auxiliary arm 400a should be smaller than the injection angle of the first auxiliary injection hole 414a.
- the injection angle of the first auxiliary injection hole 414a passes through the washing water spraying direction A1 and the first auxiliary arm 400a at the first auxiliary injection hole 414a when the first auxiliary arm 400a is not rotated. Means the angle formed by the vertical line.
- the rotation angle of the first auxiliary arm 400a should be smaller than the injection angle of the first auxiliary inclined injection port 4252a.
- the spray angle of the first auxiliary inclined jetting port 415a is the washing water spraying direction A2 and the first auxiliary arm 400a at the first auxiliary inclined jetting port 415a without the first auxiliary arm 400a rotating. Means the angle to pass through.
- the injection direction A1 of the first subsidiary injection port and the injection direction A2 of the first subsidiary inclined injection port are always opposite to the rotation direction of the injection arm 200. It may be injected into the first auxiliary arm 400a may be applied to the rotation torque in the rotation direction of the injection arm (200).
- the dish washing machine 1 rotates reciprocally independently of the rotation of the main arm 300. Can be diversified. Thereby, the washing efficiency by the dishwasher 1 increases.
- the main arm 300 can be rotated and the first and second injection arm 200 can be rotated by the thrust generated by spraying the washing water, there is an advantage that a separate driving source is not required.
- the rotational force of the injection arm 200 reciprocates the first and second auxiliary arms 400a and 400b by the interaction of the fixed gear unit 500, the eccentric gear unit 800, and the link member 900. You can switch to power. Therefore, there is an advantage that a separate driving source for rotating the first and second auxiliary arms 400a and 400b is not required.
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Abstract
Description
Claims (14)
- 세척대상이 수용되는 공간이 형성되는 세척조;상기 세척조 내부에 회전 가능하게 구비되며, 상기 세척대상에 세척수를 분사하는 메인 암;상기 메인 암에 회전 가능하게 구비되며, 상기 세척대상에 세척수를 분사하는 보조 암;상기 세척조 내부에 고정되어 상기 메인 암을 회전가능하게 지지하며 외주면에 기어이가 형성되는 고정 기어부;상기 메인 암에 회전가능 하게 장착되어 상기 고정 기어부에 치합되며, 상기 메인 암의 회전에 의해 회전되는 편심 기어부; 및상기 메인 암에 이동가능하게 지지되어 상기 편심 기어부의 회전력을 탄성력에 의해 상기 보조 암으로 전달하여 상기 보조 암을 회동시키는 링크 부재;를 구비하는 것을 특징으로 하는 식기 세척기.
- 제 1항에 있어서, 상기 링크 부재는,링 형상의 림형 몸체;상기 림형 몸체에서 상기 메인 암을 따라 연장되어 상기 메인 암에 연결되는 메인 링크;상기 메인 링크에 대하여 교차되는 방향으로 상기 보조 암을 따라 연장되어 상기 보조 암에 연결되는 보조 링크; 및상기 림형 몸체와 상기 보조 링크 사이에 구비되어 탄성력을 형성하는 탄성 완충부;를 구비하는 것을 특징으로 하는 식기 세척기.
- 제 2항에 있어서, 상기 탄성 완충부는 상기 보조 링크의 연장방향으로 연장되는 적어도 하나 이상의 탄성 완충부재를 포함하는 것을 특징으로 하는 식기 세척기.
- 제 2항에 있어서, 상기 탄성 완충부는상기 림형 몸체에서 상기 보조 링크 외측으로 연장되는 제 1연장링크;상기 보조링크 외측에서 상기 림형 몸체 측으로 연장되는 제 2연장링크; 및상기 제 1연장링크와, 상기 제 2연장링크를 연결하는 탄성링크를 구비하는 것을 특징으로 하는 식기 세척기.
- 제 4항에 있어서,상기 제 1연장링크, 상기 제 2연장링크 및 상기 탄성링크 사이에는 보강부가 더 형성되는 것을 특징으로 하는 식기 세척기.
- 제 4항에 있어서, 상기 1연장링크, 상기 제 2연장링크, 상기 탄성링크는 소정의 길이를 갖는 바(bar)형태로 형성되는 것을 특징으로 하는 식기 세척기.
- 제 4항에 있어서, 상기 1연장링크, 상기 제 2연장링크, 상기 탄성링크 중 적어도 하나는 곡선 형태로 형성되는 것을 특징으로 하는 식기 세척기.
- 제 4항에 있어서, 상기 1연장링크, 상기 제 2연장링크, 상기 탄성링크 중 적어도 하나는 상기 보조 링크의 운동방향의 나란한 방향의 폭이 좁은 바(bar)형태로 형성되는 것을 특징으로 하는 식기 세척기.
- 제 2항에 있어서, 상기 림형 몸체, 상기 보조 링크, 상기 탄성 완충부는 동일 재질로 일체로 형성되는 것을 특징으로 하는 식기 세척기.
- 제 2항에 있어서,상기 메인 암은 가이드 돌기가 형성되고,상기 메인 링크에는 상기 가이드 돌기가 삽입되어 상기 링크부재가 상기 가이드 돌기를 따라 상기 메인 암의 길이방향으로 이동되도록 안내하는 가이드홈이 형성되는 것을 특징으로 하는 식기 세척기.
- 제 2항에 있어서,상기 편심 기어부는 편심돌기가 형성되고,상기 메인 링크는 상기 편심돌기가 삽입되어 상기 링크 부재가 상기 메인 암의 길이방향을 따라 왕복 이동하도록 장홀 형태의 편심돌기 삽입슬롯이 형성되는 것을 특징으로 하는 식기 세척기.
- 제 1항에 있어서,상기 링크 부재는 상기 편심 기어부의 회전에 의해 왕복 이동하여, 상기 보조 암을 상기 메인 암의 원호궤적을 따라 왕복 회동시키는 것을 특징으로 하는 식기 세척기.
- 제 1항에 있어서, 상기 메인 암은상기 고정 기어부를 중심으로 일측에 구비되어 세척대상에 세척수를 분사하는 제 1 분사구;상기 고정 기어부를 중심으로 타측에 구비되어 상기 제 1분사구의 반대방향으로 세척수를 분사하는 제 2 분사구를 포함하는 것을 특징으로 하는 식기 세척기.
- 제 1항에 있어서, 상기 보조 암은상기 링크 부재에 의한 회동에 따라 동일한 방향으로 세척수를 분사하는 것을 특징으로 하는 식기 세척기.
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AU2017278898A AU2017278898B2 (en) | 2016-06-10 | 2017-05-15 | Dishwasher |
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KR1020160072193A KR102528669B1 (ko) | 2016-06-10 | 2016-06-10 | 식기 세척기 |
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US (1) | US10660499B2 (ko) |
EP (1) | EP3254602B1 (ko) |
KR (1) | KR102528669B1 (ko) |
CN (1) | CN107485354B (ko) |
AU (1) | AU2017278898B2 (ko) |
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KR102502764B1 (ko) * | 2021-07-16 | 2023-02-23 | 주식회사 에스엠뿌레 | 분무기 노즐 어셈블리 |
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KR20230097824A (ko) * | 2021-12-24 | 2023-07-03 | 엘지전자 주식회사 | 식기세척기 |
AU2022291458B2 (en) | 2021-12-24 | 2024-05-09 | Lg Electronics Inc. | Dishwasher |
KR20240013341A (ko) | 2022-07-22 | 2024-01-30 | 엘지전자 주식회사 | 식기세척기 |
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KR102528669B1 (ko) | 2023-05-04 |
US20170354312A1 (en) | 2017-12-14 |
AU2017278898B2 (en) | 2020-05-14 |
AU2017278898A1 (en) | 2019-01-24 |
EP3254602A1 (en) | 2017-12-13 |
KR20170139801A (ko) | 2017-12-20 |
CN107485354B (zh) | 2021-08-31 |
US10660499B2 (en) | 2020-05-26 |
EP3254602B1 (en) | 2019-08-07 |
CN107485354A (zh) | 2017-12-19 |
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