CN104958056A - Spraying arm for dish-washing machine and dish-washing machine - Google Patents

Spraying arm for dish-washing machine and dish-washing machine Download PDF

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Publication number
CN104958056A
CN104958056A CN201510410238.6A CN201510410238A CN104958056A CN 104958056 A CN104958056 A CN 104958056A CN 201510410238 A CN201510410238 A CN 201510410238A CN 104958056 A CN104958056 A CN 104958056A
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China
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water
spraying
arm
spray
water spray
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CN201510410238.6A
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CN104958056B (en
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黄龙春
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Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd
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Midea Group Co Ltd
Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
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Abstract

The invention belongs to the field of dish-washing machines and discloses a spraying arm for a dish-washing machine and a dish-washing machine. The spraying arm for the dish-washing machine comprises a spraying arm body provided with a hollow inner cavity, a water inlet and multiple spraying holes, wherein the hollow inner cavity can be divided into multiple spraying channels right facing the spraying holes and multiple non-spraying channels adjacent to the spraying channels in the water flow direction, and water flow sectional areas of the same non-spraying channel are equal; the relation between water flow sectional areas of two corresponding non-spraying channels adjacent to the two sides of each spraying channel can be described as Si=Si+1+Ai, wherein Ai represents the spraying sectional area of the spraying hole right facing the spraying channel, Si represents the water flow sectional area of the non-spraying channel which is adjacent to one side of the spraying channel and located between the spraying channel and the water inlet, and Si+1 represents the water flow sectional area of the non-spraying channel which is adjacent to the other side of the spraying channel. Through the optimal design of the hollow inner cavity, the water flow efficiency of the spraying arm is improved.

Description

Spraying arm of dish washer and dish-washing machine
Technical field
The invention belongs to dish-washing machine field, particularly relate to spraying arm of dish washer and there is the dish-washing machine of this spray arm.
Background technology
Dish-washing machine is the machine utilizing the methods such as chemistry, physics the tablewares such as dishes, cup, knife and fork, chopsticks to be carried out to automatic washing, and part dish-washing machine also has the function that the tableware after to washing carries out auto-drying.
Particularly, a kind of washing operation principle of conventional dish-washing machine is: utilize washing pump carry out power suction make washings with certain pressure via Cemented filling in spray arm, thus make washings from the hole for water spraying of spray arm, eject the dirt carrying out washing away on tableware with certain pressure and speed, and then reach the object removing dirt on tableware; And in order to make spray arm can constantly rotate in washing process thus realize a kind of effect of fan-shaped rotary stereo-spray, spray arm generally all offers two side direction hole for water sprayings, can spray arm recoil strength be given from the washings of this side direction hole for water spraying ejection, and then spray arm can be promoted be rotated.
Spray arm is as an important execution unit of dish-washing machine flow promoter system, and its water flow efficiency directly affects detersive efficiency and the energy-saving effect of dish-washing machine.In prior art, owing to designing reasonable not to the planform of spray arm hollow cavity, so its fluid dynamic energy all can produce larger decay when making washings often flow through the position of just relative with hole for water spraying (be positioned at immediately below hole for water spraying or directly over) in hollow cavity, thus make washings can produce the larger pressure loss in flow process, like this, when equal flow resistance, the pressure ratio that spray arm can be made outwards to spray water is lower, has had a strong impact on the lifting of spray arm water flow efficiency.
Summary of the invention
The object of the invention is to overcome above-mentioned the deficiencies in the prior art, provide spraying arm of dish washer and dish-washing machine, it is intended to solve the low technical problem of existing spraying arm of dish washer water flow efficiency.
For achieving the above object, the technical solution used in the present invention is: spraying arm of dish washer, comprise the spray arm body with hollow cavity, water inlet and several hole for water sprayings, described hollow cavity can be divided into several water spray passages just relative with each described hole for water spraying respectively and several non-water spray passages adjacent with each described water spray passage respectively along water (flow) direction, each described non-water spray passage may be partitioned into several water flow section vertical with water (flow) direction along the water (flow) direction flowing through it, and each water flow section area of same described non-water spray passage is all equal; And and arbitrary described water spray passage both sides adjoin two described in non-water spray passage water flow section area between there is relation S i=S i+1+ A i, wherein, A ifor the water spray area of section of the described hole for water spraying just relative with passage of spraying water described in, S ifor this water spray passage side adjoins and the water flow section area of described non-water spray passage between this water spray passage and described water inlet, S i+1for the water flow section area of non-water spray passage adjoined with this water spray passage opposite side.
Preferably, described water flow section all ovalizes of each described non-water spray passage, defining described area is S ithe major axis dimension of water flow section be 2a i, minor axis dimension is 2b i, defining described area is S i+1the major axis dimension of water flow section be 2a i+1, minor axis dimension is 2b i+1, then π a is had ib i=π a i+1b i+1+ A i.
Preferably, the minor axis of the water flow section of described ellipse is positioned in the short transverse of described spray arm body, and the major axis of the water flow section of described ellipse is positioned on the width of described spray arm body.
Preferably, the form that described water spray passage diminishes along water (flow) direction with cross section from it gradually near the side of described water inlet extends.
Preferably, described water spray passage is connected by a trumpet-shaped targeting port transition with between described hole for water spraying.
Preferably, described targeting port is sentenced from described water spray passage the form that opening reduces gradually and is extended towards described hole for water spraying.
Preferably, described spray arm body comprise several circumferentially spacer ring winding be placed in the support arm outside described water inlet, support arm described in each all has hole for water spraying described in several, spray water described in several passage and some each described non-water spray passages, and each described non-water spray passage on same described support arm and each described water spray passage are arranged alternately along the bearing of trend of this support arm.
Preferably, the quantity of described support arm is two, and described in two, support arm oppositely extends.
Preferably, the guiding cone relative with described water inlet is also convexly equipped with in described spray arm body, described guiding cone has and extends the water conservancy diversion conical surface that cone in described water inlet is most advanced and sophisticated and be connected between the most advanced and sophisticated and described hollow cavity inwall of described cone, and described deflection cone mask body to be rotated around the rotation centerline that overlaps with described water inlet center line by a cone generatrices and formed.
Further, present invention also offers dish-washing machine, it has above-mentioned spraying arm of dish washer.
Spraying arm of dish washer provided by the invention and dish-washing machine, by each water flow section area of same non-water spray passage is all designed to equal, thus its water flow section area all can remain unchanged when making washings flow in arbitrary non-water spray passage, ensure that non-water spray in-channel water stream flows to flow and flows out the constant of flow, and then ensure that washings all can not produce the pressure loss when flowing in arbitrary non-water spray passage; Meanwhile, its by the water flow section area design of two non-water spray passages that will adjoin with arbitrary water spray passage both sides for meeting relation S i=S i+1+ A ilike this, the current of arbitrary water spray passage inflow area and current can be made to flow out area equation, thus make the current of same water spray passage flow into flow to flow out flow with current and level off to equal, ensure that water spray in-channel water stream flows to flow and flows out the constant of flow, reducing the pressure loss that washings produce when flowing through water spray passage dramatically, effectively improve the water flow efficiency of spray arm further.
Accompanying drawing explanation
Fig. 1 is the structural representation without the spraying arm of dish washer of guiding cone that the embodiment of the present invention provides;
Fig. 2 is the schematic cross-section of A-A in Fig. 1;
Fig. 3 is the partial cutaway schematic that spray arm body is cut in the direction along parallel water flow section major axis that the embodiment of the present invention provides open;
Fig. 4 is the partial cutaway schematic that spray arm body is cut in the direction along parallel water flow section minor axis that the embodiment of the present invention provides open;
Fig. 5 is the structural representation with the spraying arm of dish washer of guiding cone that the embodiment of the present invention provides;
Block arrows in Fig. 1 and Fig. 5 is that water (flow) direction indicates.
Detailed description of the invention
In order to make object of the present invention, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, be not intended to limit the present invention.
It should be noted that, when element is called as on " being fixed on " or " being arranged at " another element, it can directly on another element or may there is centering elements simultaneously.When an element is known as " connection " another element, it can be directly connect another element or may there is centering elements simultaneously.
Also it should be noted that, the orientation term such as left and right, upper and lower, the top in following examples, end, is only relative concept or be reference with the normal operating condition of product each other, and should not be regarded as have restrictive.
As shown in figures 1-4, the spraying arm of dish washer that the embodiment of the present invention provides, comprise spray arm body 1, spray arm body 1 has hollow cavity 101, the hole for water spraying 103 that the water inlet 102 be communicated with hollow cavity 101 is communicated with hollow cavity 101 with several, hollow cavity 101 can be divided into several water spray path 10s just relative with each hole for water spraying 103 respectively 11 and several non-water spray path 10s 12 adjacent with each water spray path 10 11 respectively along water (flow) direction, water spray path 10 11 is just relative with hole for water spraying 103, concrete refer to water spray path 10 11 to be positioned at immediately below hole for water spraying 103 or directly over (its orientation according to hole for water spraying 103 towards different, when hole for water spraying 103 upward time, the water spray path 10 11 of its correspondence is positioned at the below of hole for water spraying 103, when hole for water spraying 103 down time, the water spray path 10 11 of its correspondence is positioned at the top of hole for water spraying 103).Hole for water spraying 103 can be divided into several water spray cross sections along the water (flow) direction flowing through it, each non-water spray path 10 12 may be partitioned into several water flow section vertical with water (flow) direction 10121 along the water (flow) direction flowing through it, and each water flow section 10121 area of same non-water spray path 10 12 is all equal; And and there is relation S between water flow section 10121 area of two non-water spray path 10s 12 that adjoins of arbitrary water spray path 10 11 both sides i=S i+1+ A i, wherein, A ifor with a water spray area of section of spraying water the just relative hole for water spraying 103 of path 10 11, S ifor this water spray path 10 11 side adjoins and water flow section 10121 area of non-water spray path 10 12 between this water spray path 10 11 and water inlet 102, S i+1for water flow section 10121 area of non-water spray path 10 12 adjoined with this water spray path 10 11 opposite side.In concrete washing process, washings to flow in hollow cavity 101 from water inlet 102 and flow to each hole for water spraying 103 through each non-water spray path 10 12 with each water spray path 10 11 and outwards spray.The spraying arm of dish washer that the embodiment of the present invention provides, by each water flow section 10121 area of same non-water spray path 10 12 is all designed to equal, thus its water flow section 10121 area all can remain unchanged when making washings flow in arbitrary non-water spray path 10 12, ensure that in non-water spray path 10 12, current flow to flow and flow out the constant of flow, and then ensure that washings all can not produce the pressure loss when flowing in arbitrary non-water spray path 10 12; Meanwhile, its by water flow section 10121 area design of two non-water spray path 10s 12 that will adjoin with arbitrary water spray path 10 11 both sides for meeting relation S i=S i+1+ A ilike this, the current of arbitrary water spray path 10 11 inflow area and current can be made to flow out area equation, thus make the current of same water spray path 10 11 flow into flow to flow out flow with current and level off to equal, ensure that in water spray path 10 11, current flow to flow and flow out the constant of flow, reducing the pressure loss that washings produce when flowing through water spray path 10 11 dramatically, effectively improve the water flow efficiency of spray arm further.
Preferably, in specific design, by the washings injection direction of each hole for water spraying 103 of optimal design, to make the opposition of the washings ejected in hole for water spraying 103 that spray arm body 1 can be driven to be rotated around the center line of water inlet 102, thus be beneficial to the washing scope expanding spraying arm of dish washer.
Preferably, spray arm body 1 comprise several circumferentially spacer ring winding be placed in the support arm 13 outside water inlet 102, each support arm 13 all has several hole for water sprayings 103, several water spray path 10 11 and some each non-water spray path 10s 12, and each non-water spray path 10 12 on same support arm 13 is arranged alternately with the bearing of trend of each water spray path 10 11 along this support arm 13.Washings enter after in spray arm body 1 from water inlet 102, and the hole for water spraying 103 branching to each support arm 13 respectively to the bearing of trend of each support arm 13 from the intersection of each support arm 13 outwards sprays.
Preferably, as shown in Figure 1, the quantity of support arm 13 is two, and two support arms 13 oppositely extend, i.e. the linearly setting of center line of two support arms 13, its structure is simple, be easy to manufacture, rotate reliable; Of course, in embody rule, two support arms 13 also can not linearly setting; Or the quantity of support arm 13 also can be set to more than three, and each support arm 13 is along the circumferential direction spaced apart in the outside of water inlet 102, and namely each support arm 13 radially distributes in the outside of water inlet 102.
For convenience of description, the non-water spray path 10 12 on each support arm 13 is i-th non-water spray path 10 12, the i-th+1 non-water spray path 10 12, the i-th+2 non-water spray path 10s 12 from water inlet 102 along its bearing of trend number consecutively by we
Be i-th water spray path 10 11, the i-th+1 water spray path 10 11, the i-th+2 water spray path 10s 11 from water inlet 102 along its bearing of trend number consecutively by the water spray path 10 11 on each support arm 13
Be i-th hole for water spraying 103, the i-th+1 hole for water spraying 103, the i-th+2 hole for water sprayings 103 from water inlet 102 along its bearing of trend number consecutively by the hole for water spraying 103 on each support arm 13
Wherein, i be more than or equal to 1 natural number, i-th water spray path 10 11 is just relative with i-th hole for water spraying 103, spray water with i-th the respectively both sides of path 10 11 of i-th non-water spray path 10 12 and the i-th+1 non-water spray path 10 12 adjoin, and water flow section 10121 area of i-th non-water spray path 10 12 is S i, water flow section 10121 area of the i-th+1 non-water spray path 10 12 is S i+1, the water spray area of section of i-th hole for water spraying 103 is A i, and S i, S i+1and A ibetween meet relation S i=S i+1+ A ilike this, the current of same water spray path 10 11 inflow area and current can be made to flow out area equation, thus make the current of same water spray path 10 11 flow into flow to flow out flow with current and level off to equal, preventing washings to produce the larger pressure loss when flowing through water spray path 10 11, effectively improve the water flow efficiency of spray arm.
Particularly, each non-water spray path 10 12 may be partitioned into several flow areas vertical with water (flow) direction 10111 along the water (flow) direction flowing through it, as a preferred embodiment of the present embodiment, as shown in figs. 2 to 4, the water flow section 10121 of each non-water spray path 10 12 and flow area 10111 all ovalizes of each water spray path 10 11, defining above-mentioned area is S ithe major axis dimension of water flow section 10121 be 2a i, minor axis dimension is 2b i, defining above-mentioned area is S i+1the major axis dimension of water flow section 10121 be 2a i+1, minor axis dimension is 2b i+1, the area formula S=π ab of ellipse is substituted into above-mentioned formula S i=S i+1+ A iin, formula π a can be obtained ib i=π a i+1b i+1+ A i.When in theory water flow section 10121 and flow area 10111 being designed to circle, its flow effect is best, but, owing to being subject to the restriction in dish washer interior space, water flow section 10121 and flow area 10111 are designed to circle can make spraying arm of dish washer be difficult to be applied in dish-washing machine, and water flow section 10121 is designed and be designed to flow area 10111 difficulty of processing that circle can strengthen spraying arm of dish washer.The present embodiment, water flow section 10121 and flow area 10111 are designed to ellipse, both the good flow effect seldom suitable with circular cross-sectional flow weak effect can have been obtained, spraying arm of dish washer can be made again to meet the designing requirement of the various dish washer interior confined space, be beneficial to the range of application expanding spraying arm of dish washer, its resultant effect is good, and lower than circular cross-section difficulty of processing.Of course, in embody rule, water flow section 10121 and flow area 10111 also can be designed to other shape, water flow section 10121 and flow area 10111 also can be designed to different shapes, the shape of each water flow section 10121 also can be designed to difference, the shape of each flow area 10111 also can be set to not identical, and in order to ensure the flow effect in each cross section, and each water flow section 10121 and each flow area 10111 are to be designed to similar round (level off to circle) for good.
Preferably, the minor axis of oval water flow section 10121 is positioned in the short transverse of spray arm body 1, and the major axis of oval water flow section 10121 is positioned on the width of spray arm body 1; The central axis of the minor axis of oval water flow section 10121 and the centerline parallel of water inlet 102, major axis and water inlet 102.The short transverse of spray arm body 1 specifically refers to that the connection bearing of trend between spray arm body 1 top and bottom, the width of spray arm body 1 specifically refer to the connection bearing of trend on front side of spray arm body 1 and between rear side.The minor axis of oval flow area 10111 is also positioned in the short transverse of spray arm body 1, and the major axis of oval flow area 10111 is also positioned on the width of spray arm body 1.Herein, the minor axis of the minor axis of water flow section 10121 and flow area 10111 is all located in the short transverse of spray arm body 1, the major axis of the major axis of water flow section 10121 and flow area 10111 is all located on the width of spray arm body 1, like this, the cross section of the spray arm body 1 that final design can be made to go out is roughly flat ellipse, thus makes spraying arm of dish washer adapt to the limited installing space of dish washer interior better.
Preferably, the form that water spray path 10 11 diminishes along water (flow) direction with cross section from it gradually near the side of water inlet 102 extends, like this, be beneficial to the change being carried out the water flow section 10121 of two non-water spray path 10s 12 of its both sides of transition by water spray path 10 11, be beneficial to the situation preventing cross section from sharply diminishing suddenly to occur, effectively reduce the pressure loss in washings flow process.
Preferably, as shown in Figure 2, water spray path 10 11 is connected by trumpet-shaped targeting port 104 transition with between hole for water spraying 103, and targeting port 104 is sentenced from path 10 11 of spraying water the form that opening reduces gradually and extended towards hole for water spraying 103.Like this, washings can be more conducive to and flow to hole for water spraying 103 from water spray path 10 11, and be beneficial to and reduce washings produce the excessive pressure loss because cross section sharply diminishes suddenly when water spray path 10 11 flows to hole for water spraying 103, thus be beneficial to the expulsion pressure ensureing the washings sprayed from hole for water spraying 103, and then be beneficial to the clean effect and clean efficiency that ensure dish-washing machine.
Preferably, the water spray cross section of hole for water spraying 103 is circular, and its structure is simple, be easy to manufacture, and current flow effect is good.The water spray diameter of section of definition i-th hole for water spraying 103 is d, then can obtain A according to the areal calculation formula of circle i=π (d/2) 2.Of course, in embody rule, water spray cross section also can be other shape, and as oval, polygon or other is irregularly shaped etc., and the shape in each water spray cross section also can be designed to different.
Preferably, as shown in Figure 1, spray arm body 1 comprises the first housing 11 and the second housing 12, first housing 11 cover be fixed on the second housing 12 and enclose hollow cavity 101, first housing 11 forming above-mentioned spray arm body 1 can be with the concrete connected mode between the second housing 12 weld, rivet, buckle is connected.Water inlet 102 is located on the first housing 11, and hole for water spraying 103 is located on the second housing 12.Herein, be assembled into one again after being divided into by spray arm body 1 first housing 11 and second housing 12 two parts to design processing respectively, like this, the design difficulty of spray arm body 1 can be made greatly to reduce, thus be beneficial to the production efficiency improving spray arm body 1.
Further, the embodiment of the present invention additionally provides dish-washing machine, it comprises inner bag (not shown), the shell (not shown) be located at outside inner bag, the rotary guide pipe 2 being located at the bowl basket (not shown) in inner bag, above-mentioned spraying arm of dish washer and being rotationally connected with spraying arm of dish washer, above-mentioned spraying arm of dish washer is located in inner bag and towards bowl basket jet cleaning water, washings specifically flow in spraying arm of dish washer from rotary guide pipe 2.The dish-washing machine that the present embodiment provides, owing to have employed above-mentioned spraying arm of dish washer, therefore, improve effective jet power of current dramatically, thus effectively reduce the waste of energy.
Preferably, as shown in Figure 5, the guiding cone 3 relative with water inlet 102 is also convexly equipped with in spray arm body 1, guiding cone 3 has and extends cone in rotary guide pipe 2 most advanced and sophisticated 32 and be connected between cone most advanced and sophisticated 32 and hollow cavity 101 inwall for the water conservancy diversion conical surface 31 washings being carried out to water conservancy diversion, rotary guide pipe 2 has the drainage wall 21 relative with the water conservancy diversion conical surface 31, the annular split channel 4 of formation one is enclosed between the water conservancy diversion conical surface 31 and drainage wall 21, annular split channel 4 may be partitioned into several water conservancy diversion cross sections vertical with water (flow) direction along water (flow) direction, and the area in each water conservancy diversion cross section is all equal, and the water conservancy diversion conical surface 31 specifically to be rotated around the rotation centerline that overlaps with water inlet 102 center line by a cone generatrices and is formed.In concrete washing process, when washings flow in spray arm body 1 from rotary guide pipe 2, first carry out shunting through annular split channel 4, after water conservancy diversion, just flow to non-water spray path 10 12 and the water spray path 10 11 of each support arm 13, and finally outwards spray from each hole for water spraying 103 and carry out flushing tableware.Because each water conservancy diversion cross section flowing through the washings of annular split channel 4 all levels off to equal, thus avoid the unexpected change that washings enter water conservancy diversion cross section in the process of spray arm body 1, like this, make washings flow in the process of spray arm body 1 on the one hand and can not produce vortex phenomenon, eliminate the eddy current crack of current in spray arm body 1, and then effectively reduce the operation noise of dish-washing machine; The sudden change decreased on the other hand due to water conservancy diversion cross section causes the loss of flow energy, improves the washings pressure of ejection in hole for water spraying 103, improves the water flow efficiency of spraying arm of dish washer dramatically.Simultaneously, because vertical reflection and refraction effect can not be there is in the washings entered in annular split channel 4, therefore, the setting of guiding cone 3, effectively prevent vertical reflection and reflect the loss causing flow energy, further increase the jet power of washings, improve the water flow efficiency of spraying arm of dish washer dramatically, and effectively reduce the energy loss of dish-washing machine.
Particularly, spray arm is provided with in dish-washing machine, middle spray arm and lower spraying arm, upper spray arm, middle spray arm and lower spraying arm are installed on the top of inner bag respectively, middle part and bottom, upper spray arm, each hole for water spraying 103 on middle spray arm and lower spraying arm is towards difference, as: the hole for water spraying 103 of upper spray arm is down, the hole for water spraying 103 of lower spraying arm is upward, in embody rule, upper spray arm, middle spray arm and lower spraying arm all can adopt above-mentioned spraying arm of dish washer, of course, upper spray arm, also one or two can be only had to adopt above-mentioned spraying arm of dish washer in middle spray arm and lower spraying arm, can according to the optimal design such as real needs and manufacturing cost during specific design.
The foregoing is only preferred embodiment of the present invention, not in order to limit the present invention, all any amendments done within the spirit and principles in the present invention, equivalent replacement or improvement etc., all should be included within protection scope of the present invention.

Claims (10)

1. spraying arm of dish washer, comprise the spray arm body with hollow cavity, water inlet and several hole for water sprayings, described hollow cavity can be divided into several water spray passages just relative with each described hole for water spraying respectively and several non-water spray passages adjacent with each described water spray passage respectively along the water (flow) direction flowing through it, each described non-water spray passage may be partitioned into several water flow section vertical with water (flow) direction along the water (flow) direction flowing through it, it is characterized in that: each water flow section area of same described non-water spray passage is all equal; And and arbitrary described water spray passage both sides adjoin two described in non-water spray passage water flow section area between there is relation S i=S i+1+ A i, wherein, A ifor the water spray area of section of the described hole for water spraying just relative with passage of spraying water described in, S ifor this water spray passage side adjoins and the water flow section area of described non-water spray passage between this water spray passage and described water inlet, S i+1for the water flow section area of non-water spray passage adjoined with this water spray passage opposite side.
2. spraying arm of dish washer as claimed in claim 1, is characterized in that: described water flow section all ovalizes of each described non-water spray passage, defining described area is S ithe major axis dimension of water flow section be 2a i, minor axis dimension is 2b i, defining described area is S i+1the major axis dimension of water flow section be 2a i+1, minor axis dimension is 2b i+1, then π a is had ib i=π a i+1b i+1+ A i.
3. spraying arm of dish washer as claimed in claim 2, is characterized in that: the minor axis of the water flow section of described ellipse is positioned in the short transverse of described spray arm body, and the major axis of the water flow section of described ellipse is positioned on the width of described spray arm body.
4. the spraying arm of dish washer as described in any one of claims 1 to 3, is characterized in that: the form that described water spray passage diminishes along water (flow) direction with cross section from it gradually near the side of described water inlet extends.
5. the spraying arm of dish washer as described in any one of claims 1 to 3, is characterized in that: described water spray passage is connected by a trumpet-shaped targeting port transition with between described hole for water spraying.
6. spraying arm of dish washer as claimed in claim 5, is characterized in that: described targeting port is sentenced from described water spray passage the form that opening reduces gradually and extended towards described hole for water spraying.
7. the spraying arm of dish washer as described in any one of claims 1 to 3, it is characterized in that: described spray arm body comprise several circumferentially spacer ring winding be placed in the support arm outside described water inlet, support arm described in each all has hole for water spraying described in several, spray water described in several passage and some each described non-water spray passages, and each described non-water spray passage on same described support arm and each described water spray passage are arranged alternately along the bearing of trend of this support arm.
8. spraying arm of dish washer as claimed in claim 7, is characterized in that: the quantity of described support arm is two, and described in two, support arm oppositely extends.
9. the spraying arm of dish washer as described in any one of claims 1 to 3, it is characterized in that: in described spray arm body, be also convexly equipped with the guiding cone relative with described water inlet, described guiding cone has and extends the water conservancy diversion conical surface that cone in described water inlet is most advanced and sophisticated and be connected between the most advanced and sophisticated and described hollow cavity inwall of described cone, and described deflection cone mask body to be rotated around the rotation centerline that overlaps with described water inlet center line by a cone generatrices and formed.
10. dish-washing machine, is characterized in that: have the spraying arm of dish washer as described in any one of claim 1 to 9.
CN201510410238.6A 2015-07-13 2015-07-13 Spraying arm of dish washer and dish-washing machine Active CN104958056B (en)

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Cited By (3)

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Publication number Priority date Publication date Assignee Title
CN109124522A (en) * 2018-10-16 2019-01-04 佛山市顺德区美的洗涤电器制造有限公司 Sparge pipe and cleaning equipment
CN109907715A (en) * 2019-04-12 2019-06-21 广东洁诺生活电器有限公司 A kind of drawer dishwasher
CN109907710A (en) * 2019-03-28 2019-06-21 广东洁诺生活电器有限公司 Gushing arm structure in a kind of dish-washing machine

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