CN205268092U - Spray arm subassembly of dish washer and dish washer that has it - Google Patents
Spray arm subassembly of dish washer and dish washer that has it Download PDFInfo
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- CN205268092U CN205268092U CN201520988664.3U CN201520988664U CN205268092U CN 205268092 U CN205268092 U CN 205268092U CN 201520988664 U CN201520988664 U CN 201520988664U CN 205268092 U CN205268092 U CN 205268092U
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- spray arm
- sun
- wheel
- spray
- drive shaft
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Abstract
The utility model discloses a spray arm subassembly of dish washer and dish washer that has it, wherein the spray arm subassembly of dish washer includes: the drain pan, it has the water storage chamber to inject in the drain pan, and the drain pan has the water inlet that switches on with the water storage chamber, spray arm seat, spray arm seat are rotationally established on the drain pan, and the spray arm seat has the inhalant canal who switches on with the water storage chamber, the spray arm body, the spray arm body have at least one spray arm, the spray arm body rotationally establish on the spray arm seat and the rotation center of the spray arm body for the rotation center eccentric settings of spray arm seat, the spray arm body has a plurality of orifices, every orifice switches on with spray arm 1 respectively, driver, driver link to each other with the spray arm body and spray arm seat respectively and rotate around its rotation center who corresponds respectively with the drive spray arm body and spray arm seat. According to the utility model discloses a spray arm subassembly of dish washer must be close square in the spray rinsing region even spray arm every orifice physically has epicycloid movement track to enlarge the washing area of this spray arm subassembly, washing performance is good, and user experience is high.
Description
Technical field
The utility model relates to dishwasher technical field, more specifically, it relates to the spray arm assembly of a kind of dishwasher and the dishwasher with it.
Background technology
Along with people's living standard constantly promotes, the demand of intelligent household electrical appliance is more and more higher, such as domestic bowl-washing can replace manual cleaning tableware, by multiple spray arm while rotating, while to tableware jet cleaning, the reflection of Bound moisture, spill and the effect such as trickling, complete the covering to tableware in dishwasher and clean. But, owing to the interior courage of dishwasher is normally close to square, rely on general rotation spray arm, its spraying zone is circular, region before and after being difficult in enough arrival dishwashers, easily form washing dead band, thus cause front and back position appearance washing in dishwasher not enough, greatly reduce overall clean effect.
Practical novel content
One of technical problem that the utility model is intended to solve in correlation technique at least to a certain extent. For this reason, the utility model proposes the spray arm assembly of a kind of dishwasher, the structure of the spray arm assembly of this dishwasher is simple, washing broad covered area, washing effect are good.
The utility model also proposes the dishwasher of a kind of spray arm assembly with above-mentioned dishwasher.
The spray arm assembly of the dishwasher according to the utility model first aspect, comprising: drain pan, is limited with water storage cavity in described drain pan, and described drain pan has and the water-in of described water storage cavity conducting; Spray arm seat, described spray arm seat is located on described drain pan rotationally, and described spray arm seat has and the water entry of described water storage cavity conducting; Spray arm body, described spray arm body has at least one spray arm, described spray arm body be located on described spray arm seat rotationally and the rotation center of described spray arm body relative to the rotation center eccentric setting of described spray arm seat, described spray arm body has multiple spray orifice arranged spaced apart, spray orifice described in each respectively with described water entry conducting; Driving mechanism, described driving mechanism is connected to drive described spray arm body and described spray arm seat to rotate around its corresponding rotation center respectively with described spray arm seat with described spray arm body respectively.
Spray arm assembly according to dishwasher of the present utility model, by spray arm body being located at rotationally the eccentric position place of spray arm seat rotating relative to drain pan, namely make each spray orifice of spray arm body have epicycloid motion track makes spraying zone close to square, thus expand the washing area of this spray arm assembly, solving the problem of the dishwasher in correlation technique less than interior courage dead angle, the structure of the spray arm assembly of this dishwasher is simple, washing broad covered area, washing effect is good, Consumer's Experience height.
In addition, according to the spray arm assembly of dishwasher of the present utility model, it is also possible to have following additional technology feature:
According to an embodiment of the present utility model, also comprising: initiatively driving member, described active driving member is connected with described spray arm body with described driving mechanism, and described active driving member is by described driver drives and drives described spray arm body to rotate; Driven driving member, described driven driving member is connected with described spray arm seat with described active driving member, and described driven driving member is driven by described active driving member and drives described spray arm seat to rotate.
According to an embodiment of the present utility model, described active driving member comprises the first sun-wheel and drive shaft, one end of described drive shaft is connected with described driving mechanism, described first sun-wheel is connected with the other end of described drive shaft, described first sun-wheel and described drive shaft coaxially arrange and by described drive shaft, described spray arm body are formed and the sun and planet gear that described first sun-wheel engages.
It is 1:3 according to an embodiment of the present utility model, described first sun-wheel and described planetary gear ratio.
It is 1:5 according to an embodiment of the present utility model, described first sun-wheel and described planetary gear ratio.
According to an embodiment of the present utility model, described driven driving member is formed as the first gear being located on described drain pan, one end of described drive shaft is provided with the 2nd sun-wheel with described first gears meshing, described spray arm seat is provided with the 2nd gear with described first gears meshing, and described 2nd sun-wheel coordinates the described spray arm seat of driving to rotate with described first gear and the 2nd gear.
According to an embodiment of the present utility model, described spray arm seat has the installation portion extended through described drain pan downwards, described installation portion is formed as and the hollow columnar that described drive shaft is coaxially arranged, the upper end of described drive shaft is connected through described installation portion with described first sun-wheel, the lower end of described drive shaft is provided with described 2nd sun-wheel, described first gear is located at the bottom of described drain pan, and the lower end in described installation portion is provided with described 2nd gear.
According to an embodiment of the present utility model, the upper end of described drive shaft is provided with multiple groove arranged spaced apart, and the inner ring of described first sun-wheel is provided with projection that is multiple and described groove fit.
According to an embodiment of the present utility model, one end coordinated with described first sun-wheel of described drive shaft forms splined shaft, and described splined shaft connects with described first sun-wheel card and is connected.
According to an embodiment of the present utility model, described spray arm seat is solid of revolution, the center axis of described spray arm seat and the central axes of described drain pan and described drive shaft.
According to an embodiment of the present utility model, described spray arm seat is provided with the installation post of the rotation center eccentric setting relative to described spray arm seat, being limited with described water entry in described installation post, described spray arm body is set on described installation post and rotatable relative to described installation post.
According to an embodiment of the present utility model, described installation post is provided with multiple card tongue arranged spaced apart, the installation groove that the inwall of described spray arm body is provided with described card tongue coordinates.
According to an embodiment of the present utility model, also comprising pressing plate, described pressing plate is located at the top of described drain pan and is connected with described drain pan, being pressed at least partially on described spray arm seat of described pressing plate.
According to an embodiment of the present utility model, described 2nd sun-wheel and described drive shaft are integrally formed, and described sun and planet gear and described spray arm body are integrally formed, and described 2nd gear and described spray arm seat are integrally formed.
Dishwasher according to the utility model second aspect, comprises the spray arm assembly of the dishwasher according to above-described embodiment.
Additional aspect of the present utility model and advantage will part provide in the following description, and part will become obvious from the following description, or be recognized by practice of the present utility model.
Accompanying drawing explanation
Fig. 1 is the stereographic map of the spray arm assembly of the dishwasher according to the utility model embodiment;
Fig. 2 is the sectional view of the spray arm assembly of the dishwasher according to the utility model embodiment;
Fig. 3 is the simplification figure of the spray arm assembly of the dishwasher according to the utility model embodiment;
Fig. 4 is the structural representation of the drain pan of the spray arm assembly of the dishwasher according to the utility model embodiment;
Fig. 5 is the spray arm holder structure schematic diagram of the spray arm assembly of the dishwasher according to the utility model embodiment;
Fig. 6 is the structural representation of the spray arm body of the spray arm assembly of the dishwasher according to the utility model embodiment;
Fig. 7 is the drive shaft of the spray arm assembly of the dishwasher according to the utility model embodiment and the wiring layout of the 2nd sun-wheel;
Fig. 8 is the structural representation of the first sun-wheel of the spray arm assembly of the dishwasher according to the utility model embodiment;
Fig. 9 is the motion track of each spray orifice of the spray arm assembly of the dishwasher according to the utility model embodiment;
Figure 10 is the motion track of each spray orifice of the spray arm assembly of the dishwasher according to another embodiment of the utility model;
Figure 11 is the motion track of each spray orifice of the spray arm assembly of the dishwasher according to another embodiment of the utility model;
Figure 12 is the motion track of each spray orifice of the spray arm assembly of the dishwasher according to the utility model embodiment;
Figure 13 is the motion track of each spray orifice of the spray arm assembly of the dishwasher according to another embodiment of the utility model;
Figure 14 is the motion track of each spray orifice of the spray arm assembly of the dishwasher according to another embodiment of the utility model;
Figure 15 is the motion track of each spray orifice of the spray arm assembly of the dishwasher according to another embodiment of the utility model.
Reference numeral:
Spray arm assembly 100;
Drain pan 10; Water storage cavity 11; Water-in 12; Stationary shaft 13;
Spray arm seat 20; Water entry 21; Installation portion 22; Post 23 is installed; Card tongue 231;
Spray arm body 30; First spray arm 301c; 2nd spray arm 302c; 3rd spray arm 303c; Spray arm 31; Spray orifice 311; Groove 32 is installed; Sleeve 33;
Driving mechanism 40;
First sun-wheel 51; Protruding 511; Drive shaft 52; Groove 521; First gear 53; Sun and planet gear 54; 2nd sun-wheel 55; 2nd gear 56;
Pressing plate 60.
Embodiment
Being described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings. It is exemplary below by the embodiment being described with reference to the drawings, it is intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.
The spray arm assembly 100 of the dishwasher according to the utility model first aspect embodiment is specifically described below in conjunction with accompanying drawing 1 to Fig. 8.
As depicted in figs. 1 and 2, spray arm assembly 100 according to the dishwasher of the utility model embodiment comprises drain pan 10, spray arm seat 20, spray arm body 30 and driving mechanism 40. specifically, water storage cavity 11 it is limited with in drain pan 10, drain pan 10 has and the water-in 12 of water storage cavity 11 conducting, spray arm seat 20 is located on drain pan 10 rotationally, spray arm seat 20 has and the water entry 21 of water storage cavity 11 conducting, spray arm body 30 has at least one spray arm 31, spray arm body 30 be located on spray arm seat 20 rotationally and the rotation center of spray arm body 30 relative to the rotation center eccentric setting of spray arm seat 20, spray arm body 30 has multiple spray orifice 311 arranged spaced apart, each spray orifice 311 respectively with water entry 21 conducting, driving mechanism 40 is connected to drive spray arm body 30 and spray arm seat 20 to rotate around its corresponding rotation center respectively with spray arm seat 20 with spray arm body 30 respectively.
That is, the spray arm assembly 100 of this dishwasher forms primarily of drain pan 10, spray arm seat 20, spray arm body 30 and driving mechanism 40. Wherein, the water storage cavity 11 of upper end open it is limited with in drain pan 10, the sidewall of drain pan 10 or diapire are provided with the water-in 12 being connected with water storage cavity 11, system is facilitated to inject bath water to water storage cavity 11, spray arm seat 20 is located at the upper end open of top with closed drain pan 10 of drain pan 10, and this spray arm seat 20 is rotatable relative to drain pan 10, spray arm seat 20 has vertically the water entry 21 that (upper and lower as shown in Figure 2 to) extends, this water entry 21 and water storage cavity 11 conducting. Advantageously, the inwall of drain pan 10 is provided with water-in 12, and bath water roughly tangentially enters water storage cavity 11, annular runner along water storage cavity 11 flows afterwards, fill whole water storage cavity 11, finally flow out from the water entry 21 of spray arm seat 20, flow to each spray arm 31.
Further, driving mechanism 40 is located at the lower section of drain pan 10 and is connected with spray arm seat 20 to drive spray arm seat 20 to rotate, spray arm body 30 is located on the eccentric position of spray arm seat 20 and rotatable relative to spray arm seat 20, wherein, spray arm body 30 has at least one spray arm 31, each spray arm 31 is provided with multiple spray orifice 311 arranged spaced apart along the length direction of spray arm 31, each spray orifice 311 respectively with water entry 21 conducting.
When the spray arm assembly 100 of this dishwasher is in working process, driving mechanism 40 drives spray arm seat 20 around its center axis thereof, in the process, owing to spray arm body 30 is located at the eccentric position of spray arm seat 20, therefore, spray arm body 30 does circumferential motion relative to spray arm seat 20, and do, relative to drain pan 10, the motion that rotation center constantly changes, bath water enters water storage cavity 11 from the water-in 12 of drain pan 10, then each spray arm 31 is flowed to by water entry 21, and eject from multiple spray orifice 311, reach the object of washing dish, washing broad covered area.
Thus, the spray arm assembly 100 of the dishwasher according to the utility model embodiment, by spray arm body 30 being located at rotationally the eccentric position place of spray arm seat 20 rotating relative to drain pan 10, each spray orifice 311 of spray arm body 30 is made to have epicycloid motion track, namely make spraying zone close to square, thus expand the washing area of this spray arm assembly 100, solve the problem of the dishwasher in correlation technique less than interior courage dead angle, the structure of the spray arm assembly 100 of this dishwasher is simple, washing broad covered area, washing effect is good, Consumer's Experience height.
Wherein, according to an embodiment of the present utility model, the spray arm assembly 100 of this dishwasher also comprises initiatively driving member and driven driving member. Specifically, initiatively driving member is connected with spray arm body 30 with driving mechanism 40, initiatively driving member is driven by driving mechanism 40 and drives spray arm body 30 to rotate, and driven driving member is connected with spray arm seat 20 with active driving member, and driven driving member is driven by active driving member and drives spray arm seat 20 to rotate.
In other words, the spray arm assembly 100 of this dishwasher forms primarily of drain pan 10, spray arm seat 20, spray arm body 30, initiatively driving member, driven driving member and driving mechanism 40. Wherein, initiatively driving member is connected with spray arm body 30 with driving mechanism 40 respectively, and driven driving member is connected with spray arm seat 20, and initiatively driving member coordinates with driven driving member, when the spray arm assembly 100 of this dishwasher is started working, driving mechanism 40 drives initiatively driving member motion so that initiatively driving member drives spray arm body 30 to rotate relative to spray arm seat 20, and initiatively driving member can also drive driven driving member to operate, thus spray arm seat 20 is driven to rotate relative to drain pan 10. Thus, by arranging initiatively driving member and driven driving member on spray arm seat 20 and drain pan 10 respectively, it is possible to meet the washing rotating speed that dishwasher system requires, and the transmission of convenient motion and power.
Can selection of land, according to an embodiment of the present utility model, initiatively driving member comprises the first sun-wheel 51 and drive shaft 52, one end of drive shaft 52 is connected with driving mechanism 40, first sun-wheel 51 is connected with the other end of drive shaft 52, first sun-wheel 51 coaxially arranges with drive shaft 52 and drives by drive shaft 52, spray arm body 30 is formed and the sun and planet gear 54 that the first sun-wheel 51 engages.
Specifically, as shown in Figure 2, initiatively driving member forms primarily of the first sun-wheel 51 and drive shaft 52, wherein, drive shaft 52 vertically (upper and lower as shown in Figure 2 to) extend, drive shaft 52 is arranged on spray arm seat 20 and rotatable relative to spray arm seat 20, wherein, one end (lower end as shown in Figure 2) of drive shaft 52 is connected with driving mechanism 40, the other end (upper end as shown in Figure 2) of drive shaft 52 is connected with the first sun-wheel 51, and the lower end of spray arm body 30 is provided with sun and planet gear 54, this sun and planet gear 54 engages with the first sun-wheel 51.
After driving mechanism 40 starts, driving mechanism 40 drives drive shaft 52 around himself center axis thereof, and the upper end of drive shaft 52 drives the first sun-wheel 51 around the center axis thereof of drive shaft 52, so that spray arm seat 20 drives spray arm body 30 around the center axis thereof (revolution of spray arm body 30) of drive shaft 52, meanwhile, first sun-wheel 51 engages with sun and planet gear 54 so that spray arm body 30 is around the center axis thereof (rotation of spray arm body 30) of sun and planet gear 54, the lower end of drive shaft 52 coordinates the center axis thereof driving spray arm seat 20 around drive shaft 52 with driven driving member. owing to sun and planet gear 54 is positioned at the eccentric position place of spray arm seat 20, therefore, when the spray arm assembly 100 of this dishwasher is started working, spray arm body 30 rotates relative to spray arm seat 20, and spray arm seat 20 rotates relative to drain pan 10.
In embodiments more of the present utility model, the first sun-wheel 51 is 1:3 with the gear ratio of sun and planet gear 54. Owing to the first sun-wheel 51 and sun and planet gear 54 are external toothing relation, therefore, the rotation direction of sun and planet gear 54 is identical with revolution direction, can selection of land, the gear ratio of the first sun-wheel 51 and sun and planet gear 54 is 1:3, such as the first sun-wheel 51 has 30 teeth, and sun and planet gear 54 has 90 teeth. Like this, the ratio of the reference radius R1 of the first sun-wheel 51 and the reference radius R2 of sun and planet gear 54 is also 1:3, and sun and planet gear 54 revolves round the sun, the radius R 3 of track equals R1 and R2 sum.
Further, due to gear ratio and the external toothing relation of the first sun-wheel 51 and sun and planet gear 54, therefore, the end of each spray arm 31 will present long width epicycloid motion track, cover rectangular region better. Further, the phase difference angle of two spray arm 31 motion tracks, equals 3/2 of phase difference angle between two spray arms 31.
For single spray arm 31, each spray orifice 311 on single spray arm 31 has the epicycloid motion track of feature: for relatively outer spray orifice 311, spray orifice 311 is greater than 4 times of the reference radius R2 of sun and planet gear 54 apart from the center of sun and planet gear 54, its motion track is long width epicycloid, curve self does not intersect, outside front and back convex, left and right side is indent slightly; Along with spray orifice 311 position moves inward, the indent of long width epicycloid motion track is obvious gradually, and knuckle radius reduces gradually, contends gradual change for four and obtains sharply; When spray orifice 311 equals 4 times of reference radius R2 of sun and planet gear 54 apart from the center of sun and planet gear 54, the knuckle of interior recessed position just disappears, and the long width epicycloid motion track entirety of spray orifice 311 is kidney shape line convex outside front and back; Afterwards, for relatively inner spray orifice 311, spray orifice 311 is less than 4 times of the reference radius R2 of sun and planet gear 54 apart from the center of sun and planet gear 54, and the interior recessed position of its long width epicycloid motion track forms cross shaped head; Finally, for the spray orifice 311 of the central position being positioned at sun and planet gear 54, its motion track is revolution track line, and namely radius is the circle of R3.
Thus, by the number of teeth ratio of the first sun-wheel 51 and sun and planet gear 54 is set to 1:3, can so that each spray orifice 311 of spray arm body 30 has epicycloid motion track, namely make spraying zone close to rectangle, thus expand the washing area of this spray arm assembly 100, solve the problem of the dishwasher in correlation technique less than interior courage dead angle, the structure of the spray arm assembly 100 of this dishwasher is simple, washing broad covered area, washing effect is good, Consumer's Experience height.
In other embodiments of the present utility model, the gear ratio of the first sun-wheel 51 and sun and planet gear 54 is 1:5, and such as the first sun-wheel 51 has 20 teeth, and sun and planet gear 54 has 100 teeth. Like this, the ratio of the reference radius R1 of the first sun-wheel 51 and the reference radius R2 of sun and planet gear 54 is also 1:5, and sun and planet gear 54 revolves round the sun, the radius R 3 of track equals R1 and R2 sum. Further, due to gear ratio and the external toothing relation of the first sun-wheel 51 and sun and planet gear 54, therefore, the end of each spray arm 31 will present long width epicycloid motion track, cover square area better. Further, the phase difference angle of two spray arm 31 motion tracks, equals 5/4 of phase difference angle between two spray arms 31.
For single spray arm 31, each spray orifice 311 on single spray arm 31 has the epicycloid motion track of feature: for relatively outer spray orifice 311, distance between the center of spray orifice 311 and sun and planet gear 54 is greater than 6 times of the reference radius R2 of sun and planet gear 54, its motion track is the four long width epicycloids of lobe, geometric locus self does not intersect, convex outside four angles; Along with spray orifice 311 position moves inward, the indent everywhere in motion track is obvious gradually, and knuckle radius reduces gradually, becomes sharp-pointed gradually; When distance between spray orifice 311 and the center of sun and planet gear 54 equals 6 times of the reference radius R2 of sun and planet gear 54,5 times of the radius R 3 that namely revolves round the sun, in everywhere, the knuckle of recessed position just disappears, and becomes four sharp angles; Afterwards, for relatively inner spray orifice 311, the distance between the center of spray orifice 311 and sun and planet gear 54 is less than 6 times of the reference radius R2 of sun and planet gear 54, and the interior recessed position of its long width epicycloid motion track forms cross shaped head; Finally, for the spray orifice 311 of the central position being positioned at sun and planet gear 54, its motion track is revolution track line, and namely radius is the circle of R3.
When the spray arm assembly 100 of this dishwasher is in working process, driving mechanism 40 drives spray arm seat 20 around its center axis thereof, in the process, owing to spray arm body 30 is located at the eccentric position of spray arm seat 20, therefore, spray arm body 30 does circumferential motion relative to spray arm seat 20, and do, relative to drain pan 10, the motion that rotation center constantly changes, bath water enters water storage cavity 11 from the water-in 12 of drain pan 10, then each spray arm 31 is flowed to by water entry 21, and eject from multiple spray orifice 311, reach the object of washing dish, washing broad covered area.
Thus, by spray arm body 30 being located at rotationally the eccentric position place of spray arm seat 20 rotating relative to drain pan 10, and the number of teeth ratio of the first sun-wheel 51 and sun and planet gear 54 is set to 1:5, each spray orifice 311 of spray arm body 30 is made to have epicycloid motion track, namely make spraying zone close to square, thus expand the washing area of this spray arm assembly 100, solve the problem of the dishwasher in correlation technique less than interior courage dead angle, the structure of the spray arm assembly 100 of this dishwasher is simple, washing broad covered area, washing effect is good, Consumer's Experience height.
Can selection of land, driven driving member is formed as the first gear 53 being located on drain pan 10, one end of drive shaft 52 is provided with the 2nd sun-wheel 55 engaged with the first gear 53, spray arm seat 20 is provided with the 2nd gear the 56, two sun-wheel 55 engaged with the first gear 53 and coordinates with the first gear 53 and the 2nd gear 56 driving spray arm seat 20 to rotate.
Specifically, as shown in Figure 2, the lower end of drive shaft 52 is installed with the 2nd sun-wheel 55, drain pan 10 is provided with rotating first gear 53, and the lower end of spray arm seat 20 is provided with the 2nd gear 56, this first gear 53 comprises the different teeth portion of the two circle numbers of teeth and two circle teeth portion engage with the 2nd gear 56 and the 2nd sun-wheel 55 respectively, when the spray arm assembly 100 of this dishwasher is started working, drive shaft 52 drives the first sun-wheel 51 and the 2nd sun-wheel 55 around the center axis thereof of drive shaft 52, wherein the 2nd sun-wheel 55 on drive shaft 52 engages with the first gear 53, make the first gear 53 by engaging with the 2nd gear 56, drive spray arm seat 20 around the center axis thereof of drive shaft 52, and the first sun-wheel 51 on drive shaft 52 is by engaging with sun and planet gear 54, drive spray arm body 30 around the center axis thereof of sun and planet gear 54. therefore, the drive system structure of the spray arm assembly 100 of this dishwasher is simple, mounting or dismounting are convenient, is easy to operation, and cost is low, it is possible to accurately transmit motion.
Can selection of land, as shown in Figure 4, the lower end of drain pan 10 is provided with stationary shaft 13, and the first gear 53 is arranged on stationary shaft 13 and rotatable relative to stationary shaft 13, facilitates the installation of the first gear 53, thus realizes the functional requirement of the spray arm assembly 100 of this dishwasher.
As shown in Figure 5, according to an embodiment of the present utility model, spray arm seat 20 has the installation portion 22 extended through drain pan 10 downwards, the hollow columnar that installation portion 22 is formed as with drive shaft 52 is coaxially arranged, the upper end of drive shaft 52 is connected through installation portion 22 with the first sun-wheel 51, the lower end of drive shaft 52 is provided with the bottom that the 2nd sun-wheel 55, first gear 53 is located at drain pan 10, and the lower end in installation portion 22 is provided with the 2nd gear 56.
Specifically, this installation portion 22 is positioned at the center position of spray arm seat 20 and extends downwards along the axis (upper and lower as shown in Figure 5 to) of this spray arm seat 20, the hollow portion for installing drive shaft 52 it is limited with in installation portion 22, drive shaft 52 is through this hollow portion and rotatable relative to this installation portion 22, wherein, this hollow portion is stretched out respectively for installing the first sun-wheel 51 and the 2nd sun-wheel 55 in the top and bottom of drive shaft 52, 2nd sun-wheel 55 engages with the first gear 53 on the stationary shaft 13 of drain pan 10, and the first sun-wheel 51 engages with the sun and planet gear 54 of spray arm body 30.
Further, spray arm seat 20 is provided with the installation post 23 of the rotation center eccentric setting relative to spray arm seat 20, installs in post 23 and is limited with water entry 21, and spray arm body 30 is set in be installed on post 23 and rotatable relative to installation post 23. Specifically, spray arm body 30 comprises the sleeve 33 vertically extended, sun and planet gear 54 is located at the lower end of this sleeve 33, when spray arm body 30 is arranged on spray arm seat 20, spray arm seat 20, as the star carrier of sun and planet gear 54, ensures the revolution track of sun and planet gear 54, and the upper end of the sleeve 33 of spray arm body 30, outwards stretch out some spray arms 31 from the central position of sun and planet gear 54, and each spray arm 31 has offered some spray orifices 311 respectively. Advantageously, part spray orifice 311 is for washing, and other spray orifices 311 are mainly used in promoting spray arm 31 to horizontally rotate together with sun and planet gear 54, thus the rotation offer power for spray arm body 30.
Can selection of land, as shown in Figure 5 and Figure 6, install post 23 be provided with multiple card tongue 231 arranged spaced apart, the inwall of spray arm body 30 is provided with the installation groove 32 coordinated with card tongue 231. Like this, both can ensure that spray arm body 30 connect with spray arm seat 20 card, avoid spray arm body 30 to depart from spray arm seat 20 in operation process, relatively rotating between spray arm body 30 and spray arm seat 20 can be ensured again, thus realize the rotation track of spray arm body 30 and sun and planet gear 54.
And according to an embodiment of the present utility model, the inner ring that the upper end of drive shaft 52 is provided with multiple groove 521, the first sun-wheel 51 arranged spaced apart is provided with multiple projection 511 coordinated with groove 521. Specifically, as shown in Figure 7, the sidewall of the upper end of drive shaft 52 is provided with multiple groove 521 arranged spaced apart along its circumference, and the inwall of the first sun-wheel 51 is provided with multiple projection 511 coordinated with groove 521, being fixedly connected with of the first sun-wheel 51 and drive shaft 52 can be ensured like this, it is to increase the connection reliability of the spray arm assembly 100 of this dishwasher.
In embodiments more of the present utility model, one end coordinated with the first sun-wheel 51 of drive shaft 52 forms splined shaft, and splined shaft connects with the first sun-wheel 51 card and is connected.
Specifically, the inner side-wall of the first sun-wheel 51 has offered spline hole, and is provided with four projections 511 in hole, is inserted on the splined shaft of drive shaft 52 by the first sun-wheel 51 during installation, until four projections 511 detain four on splined shaft groove 521, it is achieved fixing of the first sun-wheel 51. This kind connects structure can realize coordinating of drive shaft 52 and the first sun-wheel 51, and structure is simple, it is convenient to manufacture, install and remove efficiency height.
Preferably, according to an embodiment of the present utility model, spray arm seat 20 is solid of revolution, the center axis of spray arm seat 20 and the central axes of drain pan 10 and drive shaft 52. In addition, the spray arm assembly 100 of dishwasher also comprises pressing plate 60, and pressing plate 60 is located at the top of drain pan 10 and is connected with drain pan 10, being pressed at least partially on spray arm seat 20 of pressing plate 60.
Specifically, as shown in Figure 2, spray arm seat 20 is between the first sun-wheel 51 and drain pan 10, three's central shaft overlaps, spray arm seat 20 main body is a round turntable, during installation, first spray arm seat 20 is covered on the water storage cavity 11 of drain pan 10, and the installation portion 22 of spray arm seat 20 stretches in water storage cavity 11, then the outer ring of spray arm seat 20 is pushed down with pressing plate 60, now, drive shaft 52 is stretched in installation portion 22 and stretch out on spray arm seat 20, then the first sun-wheel 51 is coordinated with the upper end of drive shaft 52, finally spray arm body 30 is installed on the installation post 23 on spray arm seat 20, and the sun and planet gear 54 on spray arm body 30 is coordinated with the first sun-wheel 51 on drive shaft 52. therefore, spray arm seat 20 is embedded between pressing plate 60 and drain pan 10, and can rotate relative to pressing plate 60 and drain pan 10.
Preferably, according to an embodiment of the present utility model, the 2nd sun-wheel 55 is integrally formed with drive shaft 52, and sun and planet gear 54 and spray arm body 30 are integrally formed, and the 2nd gear 56 is integrally formed with spray arm seat 20. Thus, the structure being integrally formed is possible not only to the properity stability ensureing the spray arm assembly 100 of dishwasher, and facilitate shaping, manufacture simple, and eliminate unnecessary assembly parts and connect operation, substantially increase the efficiency of assembling of the spray arm assembly 100 of dishwasher, ensure the connection reliability of the spray arm assembly 100 of dishwasher, moreover, bulk strength and the stability of the structure being integrally formed are higher, assemble more convenient, and the life-span is longer.
Specific embodiment below in conjunction with accompanying drawing 1 to Figure 15 describes the spray arm assembly 100 according to the dishwasher of the utility model embodiment.
Embodiment one
As shown in Figures 1 to 8, first sun-wheel 51 is fixed on the central position bottom internal cavity of bowl washer, inner side-wall at the first sun-wheel 51 has offered spline hole, and it is provided with four projections 511 in spline hole, during installation, the first sun-wheel 51 is inserted on the splined shaft of drive shaft 52, until four projections 511 detain groove 521 everywhere on splined shaft, it is achieved the first sun-wheel 51 is fixedly connected with drive shaft 52. The water storage cavity 11 of drain pan 10 is annular runner, and the sidewall of drain pan 10 is provided with a water-in 12, and bath water roughly tangentially enters water storage cavity 11, flow along annular runner afterwards, fill whole water storage cavity 11, finally flow out from the water entry 21 of spray arm seat 20, flow to spray arm 31.
As shown in Figure 9, in the present embodiment, the gear ratio of the first sun-wheel 51 and sun and planet gear 54 is 1:3, wherein, the spray arm assembly 100 of dishwasher comprises a spray arm 31, gear ratio according to the first sun-wheel 51 and sun and planet gear 54 and external toothing relation, it is seen that the end of spray arm 31 presents relatively rectangular long width epicycloid motion track, it is achieved better covered rectangle spraying zone. Specifically, the curvilinear equation of this long width epicycloid motion track is:
X=(R1+R2) * cos (ang)-D*cos [(R1*ang/R2]
Y=-(R1+R2) * sin (ang)+D*sin [(R1*ang/R2]
Wherein, D is the distance between the center of spray orifice 311 and sun and planet gear 54, and R1 is the reference radius of the first sun-wheel 51, and R2 is the reference radius of sun and planet gear 54.
Such as, the modulus of the first sun-wheel 51 and sun and planet gear 54 is set to 0.5, and the first sun-wheel 51 has 30 teeth, and sun and planet gear 54 has 90 teeth. Thus known, the ratio of the reference radius R1 of the first sun-wheel 51 and the reference radius R2 of sun and planet gear 54 is also 1:3, is specially R1 and equals 7.5mm, and R2 equals 22.5mm, and the radius R 3 of the revolution track of sun and planet gear 54 equals (R1+R2), i.e. 30mm.
Further, the distance at the relatively outer spray orifice 311 on spray arm 31 and the center of sun and planet gear 54 is greater than four times of the reference radius R2 of sun and planet gear 54, i.e. 90mm, its motion track is long width epicycloid, curve self does not intersect, and convex outside front and back, left and right side is indent slightly; Along with spray orifice 311 position moves inward, the indent of long width epicycloid motion track is obvious gradually, and knuckle radius reduces gradually, contends gradual change for four and obtains sharply; When distance between spray orifice 311 and the center of sun and planet gear 54 equals 90mm, the knuckle of interior recessed position just disappears, and the long width epicycloid motion track entirety of spray orifice 311 is kidney shape line convex outside front and back; Afterwards, for relatively inner spray orifice 311, the distance between the center of spray orifice 311 and sun and planet gear 54 is less than 90mm, and the interior recessed position of its long width epicycloid motion track forms cross shaped head; Finally, for the spray orifice 311 of the central position being positioned at sun and planet gear 54, its motion track is revolution track line, and namely radius is the circle of 30mm.
Operationally, the recoil effect sprayed water by the part spray orifice 311 on spray arm, orders about spray arm 31 together with sun and planet gear 54 rotation to the spray arm assembly 100 of this dishwasher. Due to gears meshing relation, spray arm 31 revolves round the sun while rotation together with sun and planet gear 54 on the first sun-wheel 51. Rotation is identical with revolution direction, and rotating ratio is 1:3.
Embodiment two
As shown in Figure 10, in the present embodiment, the gear ratio of the first sun-wheel 51 and sun and planet gear 54 is 1:3, spray arm body 30 has two spray arms 31, namely two spray arms 31 are outwards stretched out from the center of sun and planet gear 54, and two spray arms 31 are diagonally arranged, phase difference angle is 180 ��, and two spray arms 31 are offered group of spray orifice 311 respectively. Gear ratio 1:3 according to the first sun-wheel 51 and sun and planet gear 54 and external toothing relation, between the motion track of two spray arms 31, there is phase difference angle, equaling 3/2 of phase difference angle between two spray arms 31, be specially 270 ��, namely two groups of motion tracks are mutually vertical.
And the long width epicycloid motion track of the spray orifice 311 difference constitutive characteristic on two spray arms 31, its feature is consistent with the description of embodiment one, repeats no more here. Further, owing between the motion track of two groups of spray orifices 311 on two spray arms 31, phase differential is 270 ��, therefore two groups of track line square crossings, are formed in rectangular region intermediate and better wash coverage effect.
Embodiment three
As shown in figure 11, in the present embodiment, the gear ratio of the first sun-wheel 51 and sun and planet gear 54 is 1:3, and spray arm body 30 has three spray arms 31, namely outwards stretches out three spray arms 31 from the center of sun and planet gear 54. It is separated by between two between three spray arms 31 120 ��, each spray arm 31 is offered group of spray orifice 311 respectively, gear ratio 1:3 according to the first sun-wheel 51 and sun and planet gear 54 and external toothing relation, between the motion track of three spray arms 31, there is phase difference angle, equal the 3/2 of spray arm 31 phase difference angle, namely 180 �� and 360 ��.
The long width epicycloid motion track often organizing spray orifice 311 constitutive characteristic of three spray arms 31, its feature is consistent with the description of embodiment one, repeats no more here. And, owing to phase differential between the motion track of three groups of spray orifices 311 is 180 �� and 360 ��, therefore three groups of track thread shape are towards unanimously, three groups are superimposed as the spray orifice 311 motion track of more crypto set, are formed and better wash coverage effect in rectangular spraying zone.
Thus, the spray arm assembly 100 of this dishwasher can realize better washing coverage effect by the quantity etc. of the quantity and spray orifice 311 that adjust spray arm 31, ensure that in the rectangle spraying zone of the spray arm assembly 100 of this dishwasher and the rectangle of dishwasher, courage is adaptive, ensures clean rate comprehensive, multi-angle.
Embodiment four
As shown in figure 12, in the present embodiment, the gear ratio of the first sun-wheel 51 and sun and planet gear 54 is 1:5, wherein, the spray arm assembly 100 of dishwasher comprises a spray arm 31, gear ratio according to the first sun-wheel 51 and sun and planet gear 54 and external toothing relation, it is seen that the end of spray arm 31 presents the long width epicycloid motion track of relatively square, it is achieved better covered square spraying zone. Specifically, the curvilinear equation of this long width epicycloid motion track is:
X=(R1+R2) * cos (ang)-D*cos [(R1*ang/R2]
Y=-(R1+R2) * sin (ang)+D*sin [(R1*ang/R2]
Wherein, D is the distance between the center of spray orifice 311 and sun and planet gear 54, and R1 is the reference radius of the first sun-wheel 51, and R2 is the reference radius of sun and planet gear 54.
Such as, the modulus of the first sun-wheel 51 and sun and planet gear 54 is all that the 0.5, first sun-wheel 51 has 20 teeth, and sun and planet gear 54 has 100 teeth. Thus known, the ratio of the radius R 2 of the radius R 1 of the reference circle of the first sun-wheel 51 and the reference circle of sun and planet gear 54 is also 1:5, is specially R1 and equals 5mm, and R2 equals 25mm, and the radius R 3 of the revolution track of sun and planet gear 54 equals (R1+R2), i.e. 30mm.
Further, gear ratio 1:5 according to the first sun-wheel 51 and sun and planet gear 54 and external toothing relation, and the rotating ratio 5:1 of the first sun-wheel 51 of mechanism of selectiove speed gear system realization and spray arm seat 20, the rotating speed of known sun and planet gear 54 is the 1/5 of the rotating speed of spray arm seat 20, namely the spray orifice 311 on further known spray arm 31 is in special epicycloid motion track: for relatively outer spray orifice 311, distance between this spray orifice 311 and center of sun and planet gear 54 is greater than 6 times of the reference radius R2 of sun and planet gear 54, i.e. 150mm, its motion track is the four long width epicycloids of lobe, geometric locus self does not intersect, outside four angles convex, along with spray orifice 311 position moves inward, the indent everywhere in motion track is obvious gradually, and knuckle radius reduces gradually, becomes sharp-pointed gradually, distance between spray orifice 311 and the center of sun and planet gear 54 equals 150mm, and when being also 5 times of revolution radius R 3, in everywhere, the knuckle of recessed position just disappears, and becomes four sharp angles, afterwards, for relatively inner spray orifice 311, the distance between the center of spray orifice 311 and sun and planet gear 54 is less than 150mm, and the interior recessed position of its long width epicycloid motion track forms cross shaped head, finally, for the spray orifice 311 of the central position being positioned at sun and planet gear 54, its motion track is revolution track line, and namely radius is the circle of 30mm.
Operationally, the recoil effect sprayed water by the part spray orifice 311 on spray arm 31, orders about spray arm 31 together with sun and planet gear 54 rotation to the spray arm assembly 100 of this dishwasher. Due to gears meshing relation, spray arm 31 revolves round the sun while rotation together with sun and planet gear 54 on the first sun-wheel 51. Rotation is identical with revolution direction, and rotating ratio is 1:5.
Embodiment five
As shown in figure 13, in the present embodiment, the gear ratio of the first sun-wheel 51 and sun and planet gear 54 is 1:5, spray arm body 30 has two spray arms 31, namely two spray arms 31 are outwards stretched out from the center of sun and planet gear 54, and two spray arms 31 are diagonally arranged, phase difference angle is 180 ��, and two spray arms 31 are offered group of spray orifice 311 respectively. Gear ratio 1:5 according to the first sun-wheel 51 and sun and planet gear 54 and external toothing relation, have phase difference angle between the motion track of two spray arms 31, equal 5/4 of phase difference angle between two spray arms 31, be specially 225 ��. Now, the interior recessed position of the motion track line of one of them spray arm 31 correspond to the outer convex position of the motion track line of another spray arm 31.
And the long width epicycloid motion track of the spray orifice 311 difference constitutive characteristic on two spray arms 31, its feature is consistent with the description of embodiment four, repeats no more here. Further, owing between the motion track of two groups of spray orifices 311 on two spray arms 31, phase differential is 225 ��, therefore two groups of track lines are woven into netted in middle spraying zone, reach and better wash coverage effect.
Embodiment six
As shown in figure 14, in the present embodiment, the gear ratio of the first sun-wheel 51 and sun and planet gear 54 is 1:5, and spray arm body 30 has three spray arms 31, namely outwards stretches out three spray arms 31 from the center of sun and planet gear 54. Wherein, first spray arm 301c and the 2nd spray arm 302c, it is separated by between first spray arm 301c and the 3rd spray arm 303c 144 ��, namely angle between the 2nd spray arm 302c and the 3rd spray arm 303c is 72 ��, and the length of the 2nd spray arm 302c and the 3rd spray arm 303c is about the 0.618 of the first spray arm 301c length, thus ensures the balance of whole spray arm body 30. Each spray arm 31 is offered group of spray orifice 311 respectively. Having phase difference angle between three groups of motion tracks of the first spray arm 301c and the 2nd spray arm 302c, the 3rd spray arm 303c, equal the 5/4 of spray arm 31 phase difference angle 72 �� and 144 ��, namely 90 �� and 180 ��, therefore three groups of motion trajectory shapes are towards unanimously.
The long width epicycloid motion track often organizing spray orifice 311 constitutive characteristic of three spray arms 31, its feature is consistent with the description of embodiment four, repeats no more here. Further, owing to phase differential between the motion track of three groups of spray orifices 311 is 90 �� and 180 ��, therefore three groups of track thread shape are towards unanimously, three groups are superimposed as the spray orifice 311 motion track of more crypto set, formed and better wash coverage effect in square spraying zone.
Embodiment seven
As shown in figure 15, in the present embodiment, the gear ratio of the first sun-wheel 51 and sun and planet gear 54 is 1:5, and spray arm body 30 has five spray arms 31, namely outwards stretches out five spray arms 31 from the center of sun and planet gear 54. Wherein, it is separated by 72 �� between adjacent two spray arms 31, each spray arm 31 is offered group of spray orifice 311 respectively, gear ratio 1:5 according to the first sun-wheel 51 and sun and planet gear 54 and external toothing relation, between the motion track of five spray arms 31, there is phase difference angle, equaling the 5/4 of spray arm 31 phase difference angle 72 ��, namely 90 ��, therefore five groups of motion trajectory shapes are towards unanimously.
The long width epicycloid motion track often organizing spray orifice 311 constitutive characteristic of five spray arms 31, its feature is consistent with the description of embodiment four, repeats no more here. Further, owing between the motion track of five groups of spray orifices 311, phase differential is 90 ��, therefore five groups of track thread shape are towards unanimously, being finally superimposed as the spray orifice 311 motion track of very dense, form very good washing coverage effect in square spraying zone.
Thus, the spray arm assembly 100 of this dishwasher can realize better washing coverage effect by the quantity etc. of the quantity and spray orifice 311 that adjust spray arm 31, ensure that in the square spraying zone of the spray arm assembly 100 of this dishwasher and the square of dishwasher, courage is adaptive, ensures clean rate comprehensive, multi-angle.
Dishwasher according to the utility model second aspect embodiment, comprises the spray arm assembly 100 of the dishwasher according to above-described embodiment. Owing to the spray arm assembly 100 of the dishwasher according to the utility model embodiment has above-mentioned technique effect, therefore, dishwasher according to the embodiment of the present application also has above-mentioned technique effect, namely the structure of this dishwasher is simple, washing broad covered area, the square spraying zone (such as square, rectangle) of the square inner container adaptation with dishwasher can be formed, solving the problem of the dishwasher in correlation technique less than interior courage dead angle, washing effect is good, Consumer's Experience height.
Other formations of dishwasher according to the utility model embodiment and operation are all known for those of ordinary skills, are not described in detail here.
In description of the present utility model, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", it is based on orientation shown in the drawings or position relation that the orientation of the instruction such as " circumference " or position are closed, it is only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device referred to or element must have specific orientation, with specific orientation structure and operation, therefore can not be interpreted as restriction of the present utility model.
In addition, term " first ", " the 2nd " are only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technology feature. Thus, be limited with " first ", the feature of " the 2nd " can express or implicit comprise at least one this feature. In description of the present utility model, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the utility model, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, such as, it is possible to be fixedly connected with, it is also possible to be removably connect, or integral; Can be mechanically connected, it is also possible to be electrical connection or each other can communication; Can be directly be connected, it is also possible to be indirectly connected by intermediary, it is possible to be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction. For the ordinary skill in the art, it is possible to understand the concrete implication of above-mentioned term in the utility model according to particular case.
In the utility model, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary indirect contact. And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature. Fisrt feature second feature " under ", " lower section " and " below " can be fisrt feature immediately below second feature or tiltedly lower section, or only represent that fisrt feature level height is less than second feature.
In the description of this specification sheets, the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means concrete feature, structure, material or the feature in conjunction with this embodiment or example describe and is contained at least one embodiment of the present utility model or example. In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example. And, the concrete feature of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner. In addition, when not conflicting, the feature of the different embodiment described in this specification sheets or example and different embodiment or example can be carried out combining and combining by the technician of this area.
Although above it has been shown and described that embodiment of the present utility model, it is understandable that, above-described embodiment is exemplary, can not be interpreted as that, to restriction of the present utility model, above-described embodiment can be changed in scope of the present utility model, revises, replace and modification by the those of ordinary skill of this area.
Claims (15)
1. the spray arm assembly of a dishwasher, it is characterised in that, comprising:
Drain pan, is limited with water storage cavity in described drain pan, and described drain pan has and the water-in of described water storage cavity conducting;
Spray arm seat, described spray arm seat is located on described drain pan rotationally, and described spray arm seat has and the water entry of described water storage cavity conducting;
Spray arm body, described spray arm body has at least one spray arm, described spray arm body be located on described spray arm seat rotationally and the rotation center of described spray arm body relative to the rotation center eccentric setting of described spray arm seat, described spray arm body has multiple spray orifice arranged spaced apart, spray orifice described in each respectively with described water entry conducting;
Driving mechanism, described driving mechanism is connected to drive described spray arm body and described spray arm seat to rotate around its corresponding rotation center respectively with described spray arm seat with described spray arm body respectively.
2. the spray arm assembly of dishwasher according to claim 1, it is characterised in that, also comprise:
Initiatively driving member, described active driving member is connected with described spray arm body with described driving mechanism, and described active driving member is by described driver drives and drives described spray arm body to rotate;
Driven driving member, described driven driving member is connected with described spray arm seat with described active driving member, and described driven driving member is driven by described active driving member and drives described spray arm seat to rotate.
3. the spray arm assembly of dishwasher according to claim 2, it is characterized in that, described active driving member comprises the first sun-wheel and drive shaft, one end of described drive shaft is connected with described driving mechanism, described first sun-wheel is connected with the other end of described drive shaft, described first sun-wheel and described drive shaft coaxially arrange and by described drive shaft, described spray arm body are formed and the sun and planet gear that described first sun-wheel engages.
4. the spray arm assembly of dishwasher according to claim 3, it is characterised in that, described first sun-wheel and described planetary gear ratio are 1:3.
5. the spray arm assembly of dishwasher according to claim 3, it is characterised in that, described first sun-wheel and described planetary gear ratio are 1:5.
6. the spray arm assembly of dishwasher according to claim 3, it is characterized in that, described driven driving member is formed as the first gear being located on described drain pan, one end of described drive shaft is provided with the 2nd sun-wheel with described first gears meshing, described spray arm seat is provided with the 2nd gear with described first gears meshing, and described 2nd sun-wheel coordinates the described spray arm seat of driving to rotate with described first gear and the 2nd gear.
7. the spray arm assembly of dishwasher according to claim 6, it is characterized in that, described spray arm seat has the installation portion extended through described drain pan downwards, described installation portion is formed as and the hollow columnar that described drive shaft is coaxially arranged, the upper end of described drive shaft is connected through described installation portion with described first sun-wheel, the lower end of described drive shaft is provided with described 2nd sun-wheel, and described first gear is located at the bottom of described drain pan, and the lower end in described installation portion is provided with described 2nd gear.
8. the spray arm assembly of dishwasher according to claim 7, it is characterised in that, the upper end of described drive shaft is provided with multiple groove arranged spaced apart, and the inner ring of described first sun-wheel is provided with projection that is multiple and described groove fit.
9. the spray arm assembly of dishwasher according to claim 6, it is characterised in that, one end coordinated with described first sun-wheel of described drive shaft forms splined shaft, and described splined shaft connects with described first sun-wheel card and is connected.
10. the spray arm assembly of dishwasher according to claim 6, it is characterised in that, described spray arm seat is solid of revolution, the center axis of described spray arm seat and the central axes of described drain pan and described drive shaft.
The spray arm assembly of 11. dishwashers according to claim 10, it is characterized in that, described spray arm seat is provided with the installation post of the rotation center eccentric setting relative to described spray arm seat, being limited with described water entry in described installation post, described spray arm body is set on described installation post and rotatable relative to described installation post.
The spray arm assembly of 12. dishwashers according to claim 11, it is characterised in that, described installation post is provided with multiple card tongue arranged spaced apart, the installation groove that the inwall of described spray arm body is provided with described card tongue coordinates.
The spray arm assembly of 13. dishwashers according to claim 6, it is characterised in that, also comprise pressing plate, described pressing plate is located at the top of described drain pan and is connected with described drain pan, being pressed at least partially on described spray arm seat of described pressing plate.
The spray arm assembly of 14. dishwashers according to claim 7, it is characterised in that, described 2nd sun-wheel and described drive shaft are integrally formed, and described sun and planet gear and described spray arm body are integrally formed, and described 2nd gear and described spray arm seat are integrally formed.
15. 1 kinds of dishwashers, it is characterised in that, comprise the spray arm assembly of the dishwasher according to any one of claim 1-14.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520988664.3U CN205268092U (en) | 2015-12-01 | 2015-12-01 | Spray arm subassembly of dish washer and dish washer that has it |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520988664.3U CN205268092U (en) | 2015-12-01 | 2015-12-01 | Spray arm subassembly of dish washer and dish washer that has it |
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| CN205268092U true CN205268092U (en) | 2016-06-01 |
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| CN201520988664.3U Withdrawn - After Issue CN205268092U (en) | 2015-12-01 | 2015-12-01 | Spray arm subassembly of dish washer and dish washer that has it |
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| CN (1) | CN205268092U (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105286747A (en) * | 2015-12-01 | 2016-02-03 | 佛山市顺德区美的洗涤电器制造有限公司 | Spraying arm assembly of dish washing machine and dish washing machine with spraying arm assembly |
| CN106419794A (en) * | 2016-10-20 | 2017-02-22 | 珠海格力电器股份有限公司 | Dish-washing machine spraying device and dish-washing machine |
| CN108209814A (en) * | 2018-01-16 | 2018-06-29 | 浙江欧琳生活健康科技有限公司 | A kind of wash mill of dish-washing machine |
| CN108720769A (en) * | 2018-04-23 | 2018-11-02 | 浙江欧琳生活健康科技有限公司 | A kind of pulsed air injection sprinkling equipment |
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| WO2022166331A1 (en) * | 2021-02-08 | 2022-08-11 | 佛山市顺德区美的洗涤电器制造有限公司 | Driving device, base and dishwasher |
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| CN109414149A (en) * | 2016-07-08 | 2019-03-01 | 伊莱克斯电器股份公司 | Wash arm component |
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| CN109414149B (en) * | 2016-07-08 | 2022-03-22 | 伊莱克斯电器股份公司 | Washing arm assembly and dish washing machine |
| CN106419794A (en) * | 2016-10-20 | 2017-02-22 | 珠海格力电器股份有限公司 | Dish-washing machine spraying device and dish-washing machine |
| CN108940598B (en) * | 2017-05-18 | 2023-09-22 | 江苏瑞洁环境工程科技有限责任公司 | Spraying device for wet electric dust collector |
| CN108940598A (en) * | 2017-05-18 | 2018-12-07 | 江苏瑞洁环境工程科技有限责任公司 | A kind of flusher for wet electrical dust precipitator |
| US11464391B2 (en) | 2017-10-31 | 2022-10-11 | Electrolux Appliances Aktiebolag | Spray arm assembly |
| US11612299B2 (en) | 2017-10-31 | 2023-03-28 | Electrolux Appliances Aktiebolag | Wash arm assembly |
| CN108209814A (en) * | 2018-01-16 | 2018-06-29 | 浙江欧琳生活健康科技有限公司 | A kind of wash mill of dish-washing machine |
| CN108209814B (en) * | 2018-01-16 | 2024-04-30 | 宁波欧琳科技股份有限公司 | Washing device of dish washer |
| CN108720769A (en) * | 2018-04-23 | 2018-11-02 | 浙江欧琳生活健康科技有限公司 | A kind of pulsed air injection sprinkling equipment |
| WO2022166331A1 (en) * | 2021-02-08 | 2022-08-11 | 佛山市顺德区美的洗涤电器制造有限公司 | Driving device, base and dishwasher |
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| C14 | Grant of patent or utility model | ||
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