CN106821252B - Spray arm assembly and dish washer with same - Google Patents
Spray arm assembly and dish washer with same Download PDFInfo
- Publication number
- CN106821252B CN106821252B CN201710161499.8A CN201710161499A CN106821252B CN 106821252 B CN106821252 B CN 106821252B CN 201710161499 A CN201710161499 A CN 201710161499A CN 106821252 B CN106821252 B CN 106821252B
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- spray arm
- main
- gear
- auxiliary
- rotation
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- 239000007921 spray Substances 0.000 title claims abstract description 332
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 46
- 238000005406 washing Methods 0.000 claims abstract description 44
- 230000005540 biological transmission Effects 0.000 claims description 35
- 238000012546 transfer Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 4
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000008569 process Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 8
- 238000013461 design Methods 0.000 description 4
- 230000033001 locomotion Effects 0.000 description 4
- 239000007788 liquid Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000003111 delayed effect Effects 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 241000309551 Arthraxon hispidus Species 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 239000010794 food waste Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
- A47L15/14—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
- A47L15/428—Rotary nozzles
Landscapes
- Washing And Drying Of Tableware (AREA)
Abstract
The invention discloses a spray arm assembly and a dish washer with the same, wherein the spray arm assembly comprises: the connector is internally provided with a water inlet channel; the main spray arm is rotatably arranged on the connecting head, and a main water passing cavity communicated with the water inlet channel is arranged in the main spray arm; the auxiliary spray arm is rotatably arranged on the main spray arm, the rotation axis of the auxiliary spray arm and the rotation axis of the main spray arm are arranged at intervals in the length direction of the main spray arm, an auxiliary water passing cavity communicated with the main water passing cavity is arranged in the auxiliary spray arm, a washing nozzle is arranged on the auxiliary spray arm, and the rotation speed of the auxiliary spray arm is three times that of the main spray arm. The spray arm assembly provided by the embodiment of the invention has the advantages of convenience in use, large coverage range, good washing effect and the like.
Description
Technical Field
The invention relates to the technical field of electric appliance manufacturing, in particular to a spray arm assembly and a dish washer with the same.
Background
The dishwasher sprays and washes tableware through the spray arm rotation, and the coverage of the spray arm of the dishwasher in the related art is round, and the coverage of the square washing area is better. However, in the case of a rectangular washing area, there is a case that the area is not covered, and the washing effect of the dish washer is lowered.
Disclosure of Invention
The present invention aims to solve at least one of the technical problems existing in the prior art. Therefore, the invention provides the spray arm assembly which has the advantages of convenience in use, large coverage range, good washing effect and the like.
The invention also provides a dish washer with the spray arm assembly.
To achieve the above object, an embodiment according to a first aspect of the present invention proposes a spray arm assembly comprising: the connector is internally provided with a water inlet channel; the main spray arm is rotatably arranged on the connecting head, and a main water passing cavity communicated with the water inlet channel is arranged in the main spray arm; the auxiliary spray arm is rotatably arranged on the main spray arm, the rotation axis of the auxiliary spray arm and the rotation axis of the main spray arm are arranged at intervals in the length direction of the main spray arm, an auxiliary water passing cavity communicated with the main water passing cavity is arranged in the auxiliary spray arm, a washing nozzle is arranged on the auxiliary spray arm, and the rotation speed of the auxiliary spray arm is three times that of the main spray arm.
The spray arm assembly provided by the embodiment of the invention has the advantages of convenience in use, large coverage range, good washing effect and the like.
In addition, the spray arm assembly according to the above embodiment of the present invention may further have the following additional technical features:
according to one embodiment of the invention, the main spray arm and the auxiliary spray arm are rotated in opposite directions. Therefore, the main spray arm and the auxiliary spray arm of the spray arm can realize bidirectional rotation, and transmission between the main spray arm and the auxiliary spray arm can be facilitated, especially transmission through gears is facilitated.
Optionally, the number of the auxiliary spray arms is two, and the auxiliary spray arms are respectively positioned at two sides of the connector. Thus, the two auxiliary spray arms can be respectively matched with the main spray arm, so that the two auxiliary spray arms are convenient to set, the stress of the spray arm assembly is more balanced, and the spray coverage of the spray arm assembly is convenient to increase.
According to one embodiment of the invention, the primary spray arm and the secondary spray arm are connected by a plurality of gear transmissions. This can improve the transmission efficiency and transmission reliability.
Further, the gear is located below the main spray arm, and the auxiliary spray arm is located above the main spray arm. The gear and the auxiliary spray arm are convenient to set, and the phenomenon that the gear is blocked due to the fact that pollutants enter the gear is prevented.
Optionally, the auxiliary spray arms are two and include distal spray arms and proximal spray arms, the distal spray arms with the proximal spray arms are located respectively the both sides of connector, distal spray arms distance the connector is greater than proximal spray arms distance the connector. Thus, the spray track of the spray arm assembly can be conveniently adjusted and changed, and the spray coverage of the spray arm assembly can be further conveniently enlarged.
According to a further embodiment of the invention, a plurality of said gears comprises: the main gear is sleeved on the connecting head; the proximal gear is connected with the proximal spray arm and meshed with the main gear; the distal gear is connected with the distal spray arm; the two transmission gears are respectively meshed with each other and the far-end gear and the main gear. Therefore, the relative rotation of the far-end spray arm and the near-end spray arm with the main spray arm can be controlled, and all the sub spray arms can be driven to rotate only by driving one of the main spray arm and the auxiliary spray arm.
Further, the modulus, the number of teeth and the radius of the reference circle of the distal gear, the proximal gear and the two transmission gears are the same and the number of teeth and the radius of the reference circle are half of the number of teeth of the main gear and the radius of the reference circle. Thus, the calculation of the gear train transmission ratio is convenient, the design time of gear train transmission is convenient to reduce, the gears can be meshed with each other conveniently, and smooth rotation of the spray arm assembly is ensured.
Optionally, two rotating shafts are arranged on the main spray arm, the two transmission gears are respectively rotatably arranged on the rotating shafts, spline shafts penetrating through the main spray arm are arranged on the far-end spray arm and the near-end spray arm, and the far-end gears and the near-end gears are connected to the spline shafts. Therefore, the spline shaft and the spline hole can be used for respectively fixing and positioning the far-end gear and the near-end gear, relative rotation between the spline shaft and the connected gear is avoided, and transmission of a gear train is facilitated.
According to a further embodiment of the invention, the connection head comprises: the water passing pipe is formed on the main spray arm, and the main gear is rotatably sleeved on the water passing pipe; the spray arm seat is rotatably sleeved on the water passing pipe, a boss is arranged on the outer circumferential surface of the spray arm seat, a positioning groove is arranged on the inner circumferential surface of the main gear, and the boss is matched in the positioning groove. Therefore, the boss and the positioning groove can be utilized to fix and position the main gear, and the main gear and the spray arm seat are prevented from rotating relatively.
According to one embodiment of the invention, the ratio of the distance between the axis of rotation of the distal spray arm and the axis of rotation of the main spray arm to the distance between the axis of rotation of the proximal spray arm and the axis of rotation of the main spray arm is 7:3. thus, the washing nozzle is convenient to form a specific movement track, and the spray arm assembly is convenient to wash the rectangular washing area.
According to one embodiment of the invention, at least one of the primary spray arm and the secondary spray arm is provided with a thrust jet. Thus, the thrust nozzle can provide power for the main spray arm and the auxiliary spray arm so as to drive the main spray arm and the auxiliary spray arm to rotate.
An embodiment according to a second aspect of the invention proposes a dishwasher comprising a spray arm assembly according to an embodiment of the first aspect of the invention.
According to the dish washer disclosed by the embodiment of the invention, the spray arm assembly disclosed by the embodiment of the first aspect of the invention has the advantages of convenience in use, large coverage range, good washing effect and the like.
Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.
Drawings
The foregoing and/or additional aspects and advantages of the invention will become apparent and may be better understood from the following description of embodiments taken in conjunction with the accompanying drawings in which:
fig. 1 is a schematic structural view of a spray arm assembly according to an embodiment of the present invention.
Fig. 2 is a cross-sectional view of a spray arm assembly according to an embodiment of the invention.
Fig. 3 is an exploded view of a spray arm assembly according to an embodiment of the present invention.
FIG. 4 is a partial cross-sectional view of a main spray arm of a spray arm assembly in accordance with an embodiment of the invention.
Fig. 5 is a partial cross-sectional view of a distal spray arm of a spray arm assembly in accordance with an embodiment of the invention.
FIG. 6 is a partial cross-sectional view of a proximal spray arm of a spray arm assembly in accordance with an embodiment of the invention.
Fig. 7 is a schematic view of the structure of a gear of the spray arm assembly according to an embodiment of the present invention.
Fig. 8 is a schematic view of the structure of a gear of the spray arm assembly according to an embodiment of the present invention.
FIG. 9 is a schematic view of the trajectory of the wash nozzle of the proximal spray arm of the spray arm assembly in accordance with an embodiment of the invention.
FIG. 10 is a schematic view of the trajectory of the wash jets of the distal spray arm of the spray arm assembly in accordance with an embodiment of the present invention.
Fig. 11 is a schematic view of the trajectory of the wash nozzle of the spray arm according to an embodiment of the invention.
Reference numerals: the spray arm assembly 1, the connector 100, the water inlet channel 110, the water passing pipe 120, the spray arm seat 130, the boss 131, the main spray arm 200, the main water passing cavity 210, the rotating shaft 220, the auxiliary spray arm 300, the auxiliary water passing cavity 310, the washing nozzle 320, the far-end spray arm 330, the near-end spray arm 340, the spline shaft 350, the thrust nozzle 360, the gear 400, the main gear 410, the positioning slot 411, the near-end gear 420, the far-end gear 430, the transmission gear 440, the clamp ring 500, the distance a between the rotating axis of the near-end spray arm and the rotating axis of the main spray arm, and the distance b between the rotating axis of the far-end spray arm and the rotating axis of the main spray arm.
Detailed Description
Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.
The following describes a spray arm assembly 1 according to an embodiment of the present invention with reference to the drawings.
As shown in fig. 1 to 8, the spray arm assembly 1 according to the embodiment of the present invention includes a joint head 100, a main spray arm 200, and a sub-spray arm 300.
The connector 100 is provided with a water inlet passage 110. The main spray arm 200 is rotatably disposed on the connector 100, and a main water passing cavity 210 communicating with the water inlet channel 110 is disposed in the main spray arm 200. The auxiliary spray arms 300 are at least one, the auxiliary spray arms 300 are rotatably arranged on the main spray arm 200, the rotation axis and the rotation axis of the main spray arm 200 are arranged at intervals in the length direction of the main spray arm 200, the auxiliary spray arms 300 are internally provided with auxiliary water passing cavities 310 communicated with the main water passing cavities 210, the auxiliary spray arms 300 are provided with washing nozzles 320, and the rotation speed of the auxiliary spray arms 300 is three times that of the main spray arms 200.
Specifically, the auxiliary water passing chamber 310 of the auxiliary spray arm 300 is communicated with the main water passing chamber 210 of the main spray arm 200, the washing liquid is firstly introduced into the main water passing chamber 210 of the main spray arm 200 through the water inlet channel 110, and then the washing liquid is introduced into the auxiliary water passing chamber 310 of the auxiliary spray arm 300 from the main water passing chamber 210 of the main spray arm 200. The auxiliary spray arm 300 is provided with a washing nozzle 320, the washing nozzle 320 is communicated with the auxiliary water passing cavity 310 of the auxiliary spray arm 300, and washing liquid is finally sprayed out through the washing nozzle 320 to wash and clean tableware.
According to the spray arm assembly 1 provided by the embodiment of the invention, the main spray arm 200 and the auxiliary spray arm 300 are arranged, so that the main spray arm 200 and the auxiliary spray arm 300 can be utilized to mechanically flush the surface of tableware in a dish washer, and oil stains, residues and food residues on the surface of the tableware can be decomposed and fall off, so that the tableware can be cleaned and brightened again, the process of washing the tableware by a user can be simplified, and the use comfort of the user can be improved.
The rotation axis of the sub-boom 300 and the rotation axis of the main boom 200 are arranged at intervals in the longitudinal direction of the main boom 200, whereby the rotation speed of the sub-boom 300 is three times the rotation speed of the main boom 200. This makes it possible to make the speed of rotation of the sub-boom 300 three times the revolution speed thereof, in other words, the sub-boom 300 completes its own three-week rotation every time the main boom 200 drives the sub-boom 300 to rotate one revolution. Therefore, in the process of each rotation of the main spray arm 200, the washing nozzle 320 on the auxiliary spray arm 300 can be close to the connector 100 twice and far away from the connector 100 twice, so that the washing nozzle 320 on the spray arm assembly 1 forms a kidney-shaped moving track (as shown in fig. 9-11), the spray arm assembly 1 can well cover a rectangular washing area, tableware in the rectangular washing area can be conveniently washed, insufficient washing capacity caused by the fact that the spraying range of the spray arm assembly 1 is not covered is avoided, the spray arm assembly 1 can be suitable for a dish washer with a rectangular inner container, and washing effect of the dish washer is conveniently improved.
It should be understood that fig. 9 to 11 only show a specific embodiment in which the main spray arm 200 coincides with the length direction of the sub spray arm 300 when the washing nozzle 320 on the sub spray arm 300 is farthest from the joint 100, and in fact, a kidney-shaped movement path can be formed even if the main spray arm 200 does not coincide with the sub spray arm 300 at this position, and thus the washing machine can be applied to a rectangular dish washer. The illustrated placement of the secondary spray arm 300 is for convenience of description only and is not intended to be limiting of the present invention.
In addition, spray arm assembly 1 sprays the coverage great, compares with the spray arm that forms circular spray coverage through simple rotation in the correlation technique, can spray bigger washing region in the same time, is convenient for improve spray arm assembly 1's work efficiency, further improves dish washer's washing efficiency, reduces washing time, improves user's use experience.
Therefore, the spray arm assembly 1 according to the embodiment of the invention has the advantages of convenient use, large coverage, good washing effect and the like.
The following describes a spray arm assembly 1 according to an embodiment of the present invention with reference to the accompanying drawings.
In some embodiments of the present invention, as shown in fig. 1-8, a spray arm assembly 1 according to an embodiment of the present invention includes a connector 100, a primary spray arm 200, and a secondary spray arm 300.
Specifically, the main spray arm 200 and the sub spray arm 300 are rotated in opposite directions. In this way, the main spray arm 200 and the auxiliary spray arm 300 of the spray arm assembly 1 can realize bidirectional rotation, and transmission, particularly transmission through gears, between the main spray arm 200 and the auxiliary spray arm 300 can be facilitated.
Alternatively, as shown in fig. 1-3, the sub-spray arms 300 are two and are respectively located at two sides of the connection head 100. Thus, the two auxiliary spray arms 300 can be respectively matched with the main spray arm 200, so that the arrangement of the two auxiliary spray arms 300 is convenient, the stress of the spray arm assembly 1 is more balanced, and the spray coverage of the spray arm assembly 1 is convenient to increase.
Specifically, as shown in fig. 1-3, the primary spray arm 200 and the secondary spray arm 300 are drivingly connected by a plurality of gears 400. Since the gear 400 is engaged for transmission, transmission efficiency and transmission reliability can be improved, and the main spray arm 200 and the sub spray arm 300 are prevented from being delayed in transmission during transmission.
More specifically, as shown in fig. 1-3, the gear 400 is located below the main spray arm 200 (the up-down direction is shown by arrow a in fig. 1, 2, and 4-6), and the sub-spray arm 300 is located above the main spray arm 200. Thus, the gear 400 and the auxiliary spray arm 300 are convenient to set, mutual interference is avoided when the gear 400 and the auxiliary spray arm 300 move, and the accuracy and the reliability of the work of the gear 400 and the auxiliary spray arm 300 are convenient to improve. Meanwhile, the gear 400 is located below the main spray arm 200, so that the gear 400 is prevented from being blocked due to the fact that pollutants enter the gear 400.
Alternatively, as shown in fig. 1-3, the auxiliary boom 300 is two and includes a distal boom 330 and a proximal boom 340, the distal boom 330 and the proximal boom 340 are respectively located at two sides of the connector 100, and the distance between the distal boom 330 and the connector 100 is greater than the distance between the proximal boom 340 and the connector 100. Like this distal end spray arm 330 and proximal end spray arm 340 can cooperate with main spray arm 200 respectively, and the setting of distal end spray arm 330 and proximal end spray arm 340 of being convenient for is convenient for spray arm assembly 1 sprays the adjustment change of orbit, makes distal end spray arm 330's washing range cover the region that is far away from connector 100, makes proximal end spray arm 340's washing range cover the region that is nearer to connector 100, further is convenient for increase spray arm assembly 1's spray coverage.
Further, as shown in fig. 3 and 7, the plurality of gears 400 includes a main gear 410, a proximal gear 420, a distal gear 430, and two transfer gears 440. The main gear 410 is sleeved on the connector 100. The proximal gear 420 is coupled to the proximal spray arm 340 and is in mesh with the main gear 410. The distal gear 430 is connected to the distal spray arm 330. The two transfer gears 440 are respectively engaged with each other and with the distal gear 430 and the main gear 410, respectively. Specifically, the main gear 410, the proximal gear 420, the distal gear 430, and the two transfer gears 440 are all in an external meshed relationship. In this way, through the meshing transmission of the main gear 410, the near-end gear 420, the far-end gear 430 and the two transmission gears 440, the relative rotation of the far-end spray arm 330 and the near-end spray arm 340 and the main spray arm 200 can be controlled, the transmission efficiency and the transmission reliability are further improved, the situation that the main spray arm 200 and the auxiliary spray arm 300 are delayed in transmission is prevented, and all the sub spray arms can be driven to rotate only by driving one of the main spray arm 200 and the auxiliary spray arm 300, so that a device for independently driving the spray arms can be omitted, the design and manufacturing difficulty of a dish washer can be reduced, and the cost of the spray arm assembly 1 can be saved.
Further, the modulus, the number of teeth and the pitch radius of the distal gear 430, the proximal gear 420 and the two transfer gears 440 are the same and the number of teeth and the pitch radius are half of the number of teeth and the pitch radius of the main gear 410. Specifically, the pitch circle radius ranges of the distal gear 430, the proximal gear 420, and the two transmission gears 440 are set to 10mm to 25mm. Thus, the calculation of the gear train transmission ratio is convenient, the design time of the gear train transmission is convenient to reduce, the gears 400 can be meshed with each other, and the smooth rotation of the spray arm assembly 1 is ensured.
Alternatively, as shown in fig. 4, two rotating shafts 220 are provided on the main spray arm 200, two transmission gears 440 are rotatably provided on the rotating shafts 220, spline shafts 350 penetrating the main spray arm 200 are provided on the distal spray arm 330 and the proximal spray arm 340, and the distal gear 430 and the proximal gear 420 are connected to the spline shafts 350. Specifically, the distal spray arm 330 is provided with a spline shaft 350, the spline shaft 350 passes through the main spray arm 200 to be matched with a spline hole on the distal gear 430, and the spline shaft 350 is locked by a snap ring 500 after passing through the spline hole, so as to realize the fixed connection of the distal spray arm 330 and the distal gear 430; the spline shaft 350 is arranged on the proximal spray arm 340, the spline shaft 350 penetrates through the main spray arm 200 to be matched with a spline hole on the proximal gear 420, and the spline shaft 350 penetrates through the spline hole and is locked by the snap ring 500, so that the fixed connection between the proximal spray arm 340 and the proximal gear 420 is realized. In this way, the spline shaft 350 and the spline hole can be used to fix and position the distal gear 430 and the proximal gear 420 respectively, so that relative rotation between the spline shaft 350 and the connected gear 400 is avoided, transmission of the gear train is facilitated, transmission efficiency of the gear train is facilitated to be ensured, and transmission of the gear train is prevented from being influenced due to separation of the distal gear 430 and the proximal gear 420.
Specifically, as shown in fig. 2 and 3, the joint 100 includes a water pipe 120 and a spray arm seat 130, the water pipe 120 is formed on the main spray arm 200, and a main gear 410 is rotatably sleeved on the water pipe 120. The spray arm seat 130 is rotatably sleeved on the water pipe 120, a boss 131 is arranged on the outer circumferential surface of the spray arm seat 130, a positioning slot 411 is arranged on the inner circumferential surface of the main gear 410, and the boss 131 is matched in the positioning slot 411. Therefore, the boss 131 and the positioning slot 411 can be utilized to fix and position the main gear 410, so as to avoid the relative rotation between the main gear 200 and the spray arm seat 130, and the main spray arm 200 can be smoothly driven to rotate together when the transmission gear 440 and the far-end gear 430 are meshed with the main gear 410, thereby realizing the rotation of the main spray arm 200 and further facilitating the transmission of the gear train.
Fig. 1-8 illustrate a spray arm assembly 1 according to one specific example of the invention. As shown in fig. 8, the ratio of the distance between the rotation axis of the distal spray arm 330 and the rotation axis of the main spray arm 200 to the distance between the rotation axis of the proximal spray arm 340 and the rotation axis of the main spray arm 200 is 7:3. this facilitates the formation of a specific motion profile for the washing nozzle 320 and facilitates the washing of the rectangular washing area by the spray arm assembly 1.
Specifically, the motion profile of the washing nozzle 320 may satisfy the following equation:
x=a+d+cos (3×ang), y=b+sin (3×ang), where ang is the angle through which the main boom 200 rotates; a is the distance between the axis of rotation of the proximal spray arm 340 and the axis of rotation of the main spray arm 200; b is the distance between the axis of rotation of the distal spray arm 330 and the axis of rotation of the main spray arm 200; d is a distance between the washing nozzle 320 and the rotation axis of the sub spray arm 300.
Fig. 1-8 illustrate a spray arm assembly 1 according to one specific example of the invention. As shown in fig. 3, 5 and 6, at least one of the main spray arm 200 and the sub-spray arm 300 is provided with a thrust nozzle 360. Thus, the thrust nozzle 360 can provide power for the main spray arm 200 and the auxiliary spray arm 300, so as to drive the main spray arm 200 and the auxiliary spray arm 300 to rotate, and the spray performance of the spray arm assembly 1 is improved.
Specifically, thrust jets 360 are formed at the outer ends of distal spray arm 330 and proximal spray arm 340. In this way, the thrust of the water flow can be used to drive the distal spray arm 330 and the proximal spray arm 340 to rotate, and the power is transmitted to the main spray arm 200 through the gear train, so as to drive the main spray arm 200 to rotate, and realize revolution and rotation of the auxiliary spray arm 300.
Therefore, other devices and structures for driving the spray arm assembly 1 can be omitted, the spray arm assembly 1 can be rotated and cleaned without being electrified, the structure of the dish washer is convenient to simplify, water and electricity separation is convenient to realize, and the design and the manufacture of the dish washer are convenient.
Further, the secondary water passing chamber 310 and the primary water passing chamber 210 may communicate with each other through a water passing port formed in the spline shaft 350.
A dishwasher according to an embodiment of the present invention is described below. The dishwasher according to the embodiment of the present invention includes the spray arm assembly 1 according to the above-described embodiment of the present invention.
The dishwasher according to the embodiment of the present invention has the advantages of convenient use, large coverage, good washing effect, etc., by using the spray arm assembly 1 according to the above-described embodiment of the present invention.
Other constructions and operations of a dishwasher according to an embodiment of the present invention are known to those skilled in the art, and will not be described in detail herein.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element in question must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. In the description of the present invention, unless otherwise indicated, the meaning of "a plurality" is two or more.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
In the description of the present specification, reference to the terms "one embodiment," "some embodiments," "illustrative embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: many changes, modifications, substitutions and variations may be made to the embodiments without departing from the spirit and principles of the invention, the scope of which is defined by the claims and their equivalents.
Claims (10)
1. A spray arm assembly for a dishwasher having a rectangular inner container, the spray arm assembly comprising:
the connector is internally provided with a water inlet channel;
the main spray arm is rotatably arranged on the connecting head, and a main water passing cavity communicated with the water inlet channel is arranged in the main spray arm;
the auxiliary spray arm is rotatably arranged on the main spray arm, the rotation axis of the auxiliary spray arm and the rotation axis of the main spray arm are arranged at intervals in the length direction of the main spray arm, an auxiliary water passing cavity communicated with the main water passing cavity is arranged in the auxiliary spray arm, a washing nozzle is arranged on the auxiliary spray arm and is positioned on the same side of the rotation axis of the auxiliary spray arm, the rotation speed of the auxiliary spray arm is three times that of the main spray arm, and in the process of each rotation of the main spray arm, the washing nozzle on the auxiliary spray arm is close to the connector twice;
the main spray arm and the auxiliary spray arm are in transmission connection through a plurality of gears;
the auxiliary spray arms are two and comprise a far-end spray arm and a near-end spray arm, the far-end spray arm and the near-end spray arm are respectively positioned at two sides of the connector, and the distance between the far-end spray arm and the connector is larger than that between the near-end spray arm and the connector;
when the main spray arm is overlapped with the length direction of the far-end spray arm, the washing nozzle at the far-end of the far-end spray arm is in a state of being out of the rotation range of the main spray arm;
when the main spray arm is overlapped with the length direction of the near-end spray arm, the washing nozzle at the farthest end of the near-end spray arm is positioned in the rotation range of the main spray arm.
2. The spray arm assembly of claim 1, wherein the primary spray arm and the secondary spray arm are rotated in opposite directions.
3. The spray arm assembly of claim 1, wherein the gear is located below the primary spray arm and the secondary spray arm is located above the primary spray arm.
4. The spray arm assembly of claim 1 wherein a plurality of said gears comprise:
the main gear is sleeved on the connecting head;
the proximal gear is connected with the proximal spray arm and meshed with the main gear;
the distal gear is connected with the distal spray arm;
the two transmission gears are respectively meshed with each other and the far-end gear and the main gear.
5. The spray arm assembly of claim 4 wherein said distal gear, said proximal gear and said two transfer gears have the same modulus, number of teeth and pitch radius and have a number of teeth and pitch radius that is half the number of teeth and pitch radius of said main gear.
6. The spray arm assembly of claim 4, wherein the main spray arm is provided with two rotating shafts, the two driving gears are respectively rotatably arranged on the rotating shafts, the distal spray arm and the proximal spray arm are respectively provided with a spline shaft penetrating through the main spray arm, and the distal gear and the proximal gear are connected to the spline shaft.
7. The spray arm assembly of claim 4, wherein the connector comprises:
the water passing pipe is formed on the main spray arm, and the main gear is rotatably sleeved on the water passing pipe;
the spray arm seat is rotatably sleeved on the water passing pipe, a boss is arranged on the outer circumferential surface of the spray arm seat, a positioning groove is arranged on the inner circumferential surface of the main gear, and the boss is matched in the positioning groove.
8. The spray arm assembly of claim 1, wherein a ratio of a distance between the axis of rotation of the distal spray arm and the axis of rotation of the main spray arm to a distance between the axis of rotation of the proximal spray arm and the axis of rotation of the main spray arm is 7:3.
9. the spray arm assembly of claim 1, wherein at least one of the primary and secondary spray arms is provided with a thrust jet.
10. A dishwasher, characterized by comprising a spray arm assembly according to any one of claims 1-9.
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| CN201710161499.8A CN106821252B (en) | 2017-03-17 | 2017-03-17 | Spray arm assembly and dish washer with same |
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| CN201710161499.8A CN106821252B (en) | 2017-03-17 | 2017-03-17 | Spray arm assembly and dish washer with same |
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| CN106821252A CN106821252A (en) | 2017-06-13 |
| CN106821252B true CN106821252B (en) | 2023-12-26 |
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| CN201710161499.8A Active CN106821252B (en) | 2017-03-17 | 2017-03-17 | Spray arm assembly and dish washer with same |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108209812B (en) * | 2018-02-06 | 2023-12-29 | 宁波美高厨具有限公司 | Basin dish washer panel with spray arm |
| CN110859568A (en) * | 2018-08-28 | 2020-03-06 | 佛山市顺德区美的洗涤电器制造有限公司 | Spray arm and washing electric appliance with same |
Citations (5)
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|---|---|---|---|---|
| JPH078436A (en) * | 1993-06-23 | 1995-01-13 | Matsushita Electric Ind Co Ltd | Tableware washing machine |
| JPH07236605A (en) * | 1994-03-01 | 1995-09-12 | Matsushita Electric Ind Co Ltd | Dishwasher |
| CN104523208A (en) * | 2015-01-08 | 2015-04-22 | 芜湖美的洗涤电器制造有限公司 | Spraying arm device and dish washing machine |
| CN105942951A (en) * | 2016-04-29 | 2016-09-21 | 佛山市顺德区美的洗涤电器制造有限公司 | Spraying arm assembly for dish-washing machine and dish-washing machine provided with spraying arm assembly |
| CN207152552U (en) * | 2017-03-17 | 2018-03-30 | 佛山市顺德区美的洗涤电器制造有限公司 | Spray arm component and there is its dish-washing machine |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US10667668B2 (en) * | 2013-06-27 | 2020-06-02 | Whirlpool Corporation | Dishwasher with rotationally mounted sprayer |
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2017
- 2017-03-17 CN CN201710161499.8A patent/CN106821252B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH078436A (en) * | 1993-06-23 | 1995-01-13 | Matsushita Electric Ind Co Ltd | Tableware washing machine |
| JPH07236605A (en) * | 1994-03-01 | 1995-09-12 | Matsushita Electric Ind Co Ltd | Dishwasher |
| CN104523208A (en) * | 2015-01-08 | 2015-04-22 | 芜湖美的洗涤电器制造有限公司 | Spraying arm device and dish washing machine |
| CN105942951A (en) * | 2016-04-29 | 2016-09-21 | 佛山市顺德区美的洗涤电器制造有限公司 | Spraying arm assembly for dish-washing machine and dish-washing machine provided with spraying arm assembly |
| CN207152552U (en) * | 2017-03-17 | 2018-03-30 | 佛山市顺德区美的洗涤电器制造有限公司 | Spray arm component and there is its dish-washing machine |
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| CN106821252A (en) | 2017-06-13 |
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