CN205514455U - A dish washer that is used for spray arm device of dish washer and has it - Google Patents

Abstract

The utility model discloses a dish washer that is used for spray arm device of dish washer and has it, a spray arm device includes for the dish washer: spray arm and manger plate subassembly. Spray arm has along vertical rotation center axle, has well plenum chamber in the spray arm, and has the horizontal hole for water spraying of court's horizontal direction water spray on the spray arm and be used for the upwards vertical hole for water spraying of water spray, and horizontal hole for water spraying and vertical hole for water spraying all feed through with well plenum chamber, the manger plate subassembly encircles spray arm's rotation center axle setting, and the manger plate subassembly is including the outside that is located spray arm and towards spray arm's manger plate piece, and the manger plate piece is relative with horizontal hole for water spraying for make horizontal hole for water spraying spun water at least some spray on the manger plate piece and by the upwards reflection of manger plate piece. According to the utility model discloses a coverage that is used for the spray arm device of dish washer, has improved the spray arm device.

Description

For the spray arm device of dish-washing machine and the dish-washing machine with it

Technical field

The utility model relates to field of household appliances, particularly to a kind of spray arm device for dish-washing machine and have this spray arm device Dish-washing machine.

Background technology

In correlation technique, the bowl basket of dish-washing machine is all square or rectangular, and the track that the spray arm coordinated with bowl basket runs is round The jeting area of shape, i.e. spray arm is circular；So four angles of bowl basket of rectangle cannot be flushed to by the current of spray arm, define Washing dead angle.

Utility model content

One of technical problem that the utility model is intended to solve in correlation technique the most to a certain extent.To this end, this practicality is new One purpose of type is to propose a kind of spray arm device for dish-washing machine, can increase the washing scope of spray arm.

Another object of the present utility model is to propose a kind of dish-washing machine with this spray arm device.

According to the spray arm device for dish-washing machine of the utility model first aspect embodiment, including: spray arm and dash assembly. Described spray arm has pivot axle vertically, has in hollow chamber, and described spray arm and have towards level in described spray arm The horizontal-spray hole of direction water spray and for the vertical hole for water spraying upwards sprayed water, described horizontal-spray hole and described vertical hole for water spraying All connect with described hollow chamber；Described dash assembly is arranged around the pivot axle of described spray arm, described dash assembly Remaining at least partially within the outside of described spray arm relative with described horizontal-spray hole, described dash assembly includes and described level The block water plate that hole for water spraying is relative, be used for the water by the ejection of described horizontal-spray hole is ejected into described block water plate at least partially And upwards reflected by described block water plate.

According to the spray arm device for dish-washing machine of the utility model embodiment, it is provided with block water plate and horizontal-spray hole, level The cooperation of hole for water spraying and block water plate can eject water to the place that in spray arm rotary course, vertical hole for water spraying cannot cover, from And improve the coverage of spray arm device.

It addition, according to the spray arm device for dish-washing machine of the utility model above-described embodiment, it is also possible to have following additional Technical characteristic:

In embodiments more of the present utility model, described horizontal-spray hole is horizontally extending, and described block water plate is vertically Direction extends and tilts upwardly toward described spray arm in side from top to bottom.

Further, the angle that described block water plate tilts towards described spray arm on direction from top to bottom is at the model of 10 ° to 45 ° In enclosing.

Advantageously, described block water plate is the most rotatable around horizontal axis, in side from top to bottom The most described block water plate is less than described block water plate in the second place towards described spray in primary importance towards the angle that described spray arm tilts The angle that arm tilts.

Further, described block water plate includes the first plate portion being positioned on the downside of described horizontal axis and is positioned on described horizontal axis Second plate portion of side, described horizontal-spray hole includes multiple, the part in multiple described horizontal-spray holes and described first plate Portion is relative to so that the water that ejected by it promotes described block water plate to move to primary importance, and in multiple described horizontal-spray hole Another part and described second plate portion are relative to so that the water ejected by it promotes described block water plate to move to the second place.

Preferably, the two ends of described spray arm are equipped with horizontal-spray hole, and first water jet at described spray arm two ends respectively with institute State the first plate portion relative with described second plate portion.

Further, the horizontal-spray hole at described spray arm two ends lays respectively at the both sides up and down of described spray arm.

In embodiments more of the present utility model, described dash assembly also includes block water plate support, described block water plate support in The annular arranged around described spray arm, described block water plate is located at the side on described block water plate support towards described spray arm, described Block water plate includes one or circumferentially spaced multiple along described block water plate support.

Further, described block water plate is along being rotatably provided in described dash between horizontal axis primary importance and the second place On plate rack, and described block water plate support is provided with and is positioned at the first limiting section outside described block water plate and the second limiting section, institute Stating the first limiting section and be positioned at the lower section of described second limiting section, described block water plate lower end when primary importance is against described first limit In the portion of position, and described block water plate upper end when the second place is against on described second limiting section.

Advantageously, described block water plate support is in around the rectangular box shape of spray arm, and neighbouring described block water plate support is each Corner is equipped with described block water plate.

According to the dish-washing machine of the utility model second aspect embodiment, including: bowl basket and spray arm device.Be suitable in described bowl basket Shelve tableware；Described spray arm device is located at below described bowl basket, and described spray arm device is the spray arm being previously described for dish-washing machine Device, and described block water plate is adjacent to the week edge setting of described bowl basket.

Accompanying drawing explanation

Fig. 1 is a schematic diagram of the spray arm device for dish-washing machine of the utility model embodiment.

Fig. 2 is another schematic diagram of the spray arm device for dish-washing machine of the utility model embodiment.

Fig. 3 is the partial schematic diagram of the sectional view of Fig. 2 middle section A-A.

Fig. 4 is the schematic diagram when the spray arm device cleaning tableware of dish-washing machine of the utility model embodiment, wherein block water plate It is in primary importance.

Fig. 5 is the schematic diagram when the spray arm device cleaning tableware of dish-washing machine of the utility model embodiment, wherein block water plate It is in the second place.

Fig. 6 is the schematic diagram that the spray arm device for dish-washing machine of the utility model embodiment coordinates with bowl basket.

Reference: spray arm device 100, spray arm 1, dash assembly 2, horizontal-spray hole 101, vertical hole for water spraying 102, gear Water sheet 21, block water plate support 22, the first plate portion 211, the second plate portion 212, the first limiting section 221, the second limiting section 222, Bowl basket 200.

Detailed description of the invention

Of the present utility model embodiment is described below in detail, and the example of described embodiment is shown in the drawings, the most from start to finish Same or similar label represents same or similar element or has the element of same or like function.Below with reference to attached The embodiment that figure describes is exemplary, it is intended to be used for explaining the utility model, and it is not intended that to limit of the present utility model System.

In correlation technique, the bowl basket of dish-washing machine is all square or rectangular, and the track that the spray arm coordinated with bowl basket runs is round The jeting area of shape, i.e. spray arm is circular；So four angles of bowl basket of rectangle cannot be flushed to by the current of spray arm, define Washing dead angle.In order to promote the clean effect of four corner tablewares of bowl basket, it is desirable to have water is flushed to corner.To this end, this practicality The novel dish-washing machine proposing a kind of spray arm device that can increase spray arm washing area and there is this spray arm device.

Describing the spray arm device 100 for dish-washing machine of the utility model embodiment with reference to the accompanying drawings, this spray arm device is permissible Improve the washing scope of spray arm.

Referring to figs. 1 through Fig. 6, spray arm device 100 of the present utility model includes: spray arm 1 and dash assembly 2.

Specifically, spray arm 1 has vertically the pivot axle of (above-below direction as in Fig. 1), and spray arm 1 used Journey will rotate around pivot axle.Have in spray arm 1 on hollow chamber's (not shown), and spray arm 1 and have towards level The horizontal-spray hole 101 of direction water spray and for the vertical hole for water spraying 102 upwards sprayed water, horizontal-spray hole 101 and vertical spray Water hole 102 all connects with hollow chamber.Dash assembly 2 is arranged around the pivot axle of spray arm 1, and dash assembly 2 Remain at least partially within the outside of described spray arm relative with horizontal-spray hole 101, therefore, horizontal-spray mouth 101 spray Water will be ejected on dash assembly 2, thus avoid horizontal-spray hole and be ejected on the inner bag of dish-washing machine to produce and make an uproar more greatly The problem of sound.It addition, dash assembly 2 outside that includes being positioned at spray arm 1 block water plate 21 towards spray arm 1, block water plate 21 Relative with horizontal-spray hole 101, it is ejected into block water plate 21 at least partially for make water that horizontal-spray hole 101 sprays And upwards reflected by block water plate 21.

During spray arm device 100 uses, the water of the hollow chamber in spray arm 1 will be by horizontal-spray hole 101 with vertical Hole for water spraying 102 sprays, and wherein, vertical hole for water spraying 102 water sprayed will directly spray to bowl basket 200 and clean tableware, by The water of horizontal-spray hole 101 ejection will spray to dash assembly 2, under the effect of the block water plate 21 in dash assembly 2, by Horizontal-spray hole 101 is sprayed onto the water on block water plate 21 and will be reflected towards cleaning tableware, can increase the washing of spray arm 1 Scope.

According to the spray arm device 100 for dish-washing machine of the utility model embodiment, it is provided with block water plate 21 and horizontal-spray hole 101, the cooperation of horizontal-spray hole 101 and block water plate 21 can eject water to vertical hole for water spraying 102 in spray arm 1 rotary course The place that cannot cover, thus improve the coverage of spray arm device 100.

In addition, it is necessary to explanation, the outside remaining at least partially within spray arm of described dash assembly refers to: rotate at spray arm During, relative to the outside remaining at least partially within spray arm of pivot axle bumper water assembly.

In conjunction with Fig. 3 to Fig. 5, in embodiments more of the present utility model, horizontal-spray hole 101 is horizontally extending, gear Water sheet 21 is vertically extending and tilts upwardly toward spray arm 1 in side from top to bottom.Current along horizontal-jet will injection On the block water plate 21 being obliquely installed, therefore, water can be reflected towards supernatant wash up by the block water plate 21 of inclination.

Further, the angle [alpha] that block water plate 21 tilts towards spray arm 1 on direction from top to bottom is at the model of 10 ° to 45 ° In enclosing.Block water plate 21 can arrange different angles of inclination and realize different clean ranges, improves the efficiency and effect cleaned.

It addition, be directed to different cleaning area requirements and the difference of horizontal-spray hole water spraying direction, the inclination angle of spray arm 1 Degree can change according to reality, such as, when the water spraying direction in horizontal-spray hole 101 tilts upward, block water plate 21 can also set It is set to tilt (i.e. angle of inclination is 0), it addition, the angle of inclination of block water plate of the present utility model 21 can also be more than 45 ° Or less than 10 °, the angle of inclination of block water plate 21 is not limited by the utility model.

Advantageously, block water plate 21 is the most rotatable around horizontal axis, in direction from top to bottom The angle [alpha] 1 that upper block water plate 21 tilts towards spray arm 1 in primary importance is inclined towards spray arm 1 in the second place less than block water plate 21 Oblique angle [alpha] 2.It is to say, when block water plate 21 is in diverse location, the angle of inclination of block water plate 21 is different, therefore, The inclination of different angles makes the water after block water plate 21 reflects have different directions, thus improves spray arm dress further Put the washing scope of 100.

With reference to Fig. 4, block water plate 21 is in primary importance, and the angle of inclination of block water plate 21 is less, now by horizontal-spray hole The incident angle of water of 101 ejections is less, therefore, between the outgoing current of block water plate 21 reflection are relative to incident current Angle little, outgoing current are bigger with the angle of inclination in direction straight up；

With reference to Fig. 5, block water plate 21 is in the second place, and the angle of inclination of block water plate 21 is relatively big, now by horizontal-spray hole The incident angle of the water of 101 ejections is relatively big, therefore, between the outgoing current of block water plate 21 reflection are relative to incident current Angle big, outgoing current are less with the angle of inclination in direction straight up.

Therefore, when block water plate 21 is in diverse location, the exit direction through the current of block water plate 21 reflection differs, The scope of covering can be improved.

If it addition, be provided with the tablewares to be cleaned such as water tumbler on bowl basket, block water plate 21 current reflected will be ejected into water In Bei, water tumbler is carried out.

Further, in conjunction with Fig. 4 and Fig. 5, block water plate 21 includes the first plate portion 211 being positioned on the downside of horizontal axis and is positioned at The second plate portion 212 on the upside of horizontal axis, horizontal-spray hole 101 includes multiple, in multiple horizontal-spray holes 101 Point with the first plate portion 211 relatively so that the water promotion block water plate 21 ejected by it moves to primary importance, and multiple level is sprayed Another part in water hole 101 and the second plate portion 212 are relative to so that the water ejected by it promotes block water plate 21 to move to second Position.Therefore, when spraying water towards block water plate 21 in different horizontal-spray holes 101, block water plate 21 will be in primary importance and Switch between two positions, thus improve the clean range of spray arm device 100.

Preferably, in conjunction with Fig. 4 and Fig. 5, the two ends of spray arm 1 are equipped with horizontal-spray hole, and first water spray at spray arm 1 two ends Mouth is relative with the first plate portion 211 and the second plate portion 212 respectively.Rotating to different positions at spray arm 1, block water plate 21 is by right It is in different states with answering, improves the clean range of spray arm device 100 further.

Further, in conjunction with Fig. 4 and Fig. 5, the vertical hole for water spraying 102 at spray arm 1 two ends lays respectively at the both sides up and down of spray arm 1. Being positioned at the horizontal-spray hole 102 on the upside of spray arm 1 will be relative with the second plate portion 212, be positioned at the horizontal-spray on the downside of spray arm 1 Hole will be relative with the first plate portion 211.

In embodiments more of the present utility model, dash assembly 2 also includes that block water plate support 22, block water plate support are cincture The annular that spray arm 1 is arranged, block water plate is located at the side on block water plate support 22 towards spray arm 1, and block water plate includes one or edge Block water plate support 22 circumferentially spaced multiple.Position block water plate by block water plate support 22, improve the steady of block water plate Qualitative and facilitate mounting or dismounting.

It addition, block water plate 21 of the present utility model can also be directly installed on bowl basket 200, or block water plate is arranged on washes On the inwall of bowl machine.The utility model mainly illustrates being provided with the technical scheme of block water plate support, but not to this reality Restriction by novel protected scope.

Further, with reference to Fig. 3 to Fig. 5, block water plate 21 is along rotatable between horizontal axis primary importance and the second place Be located on block water plate support 22, and block water plate support 22 is provided with the first limiting section 221 He being positioned at outside block water plate 21 Second limiting section 222, the first limiting section 221 is positioned at the lower section of the second limiting section 222, and block water plate 21 is in primary importance at present End is against on the first limiting section 221, and block water plate support 22 upper end when the second place is against on the second limiting section 222.Logical Cross the first limiting section 221 and position-limiting action of the second limiting section 222, can make block water plate 21 be stably in primary importance or The second place.

Advantageously, the framework shape that block water plate support 22 is rectangular, and block water plate support 22 arranges around spray arm 1, and adjacent Each corner of nearly block water plate support 22 is equipped with block water plate 21.Make the shape of block water plate support 22 and the shape of bowl basket 200 Shape is more close, thus the convenient washing scope whole bowl basket 200 of covering being made spray arm device 100 by the reflection of block water plate 21.

The utility model second aspect proposes a kind of dish-washing machine, describes washing the dishes of the utility model embodiment with reference to the accompanying drawings Machine.

As shown in Figures 1 to 6, dish-washing machine of the present utility model includes: bowl basket 200 and spray arm device 100.

Specifically, being suitable to shelve tableware in bowl basket 200, spray arm device 100 is located at below bowl basket 200, spray arm device 100 is the spray arm device 100 being previously described for dish-washing machine, and block water plate is arranged adjacent to the week edge of bowl basket 200.

According to the dish-washing machine of the utility model embodiment, apply the utility model aforesaid spray arm device 100, can improve clear The scope washed, makes the most areas of bowl basket 200 have spray arm device 100 to cover, thus improves effect and the effect of cleaning Rate.

A specific embodiment of the present utility model is described with reference to the accompanying drawings.

The utility model relates to the injection of a kind of dish-washing machine, reflecting system, and with the loading of bowl basket with the use of.At bowl basket The surrounding of 200 installs the dash assembly 2 of reflection water additional, and dash assembly 2 reflects water, changes the effect in the direction of water.At bowl basket Four corners of 200, dash assembly 2 is installed the block water plate 21 that can rotate around the axis, can be according to the difference carrying out jetting Angle produces the reflection of different angles, thus plays the effect at injection larger area dead angle.After increasing dash assembly 2, in spray The horizontal-spray hole 101 of the block water plate support 22 spraying to block water plate 21 and fixing block water plate 21 put down by the two ends boiling water of arm 1, spray The current gone out, through the reflection of block water plate 21, rinse the tableware on bowl basket 200 dead angle.When spray arm 1 leaves a bowl basket dead angle area Behind territory, the water in both ends horizontal hole (i.e. horizontal-spray hole 101) reflexes on the tableware on bowl basket through dash assembly 2, no Can cause water spray impact on inner bag, cause noise excessive.

Such as Fig. 1, shown in Fig. 2, in the utility model, a series of block water plates 21 are arranged on four corners of block water plate support 22 Position, forms dash assembly 2.Dash assembly 2 is arranged on bowl basket 200, can rotate around block water plate rotating shaft 213 Block water plate 21 is in the position at 200 4 angles of bowl basket.Horizontal-jet is had equipped with spray arm 1, spray arm 1 two ends on bowl basket 200 Horizontal-spray hole 101, wherein horizontal-spray hole 101 is multiple and a part exists at downside (low-level position), another part Upside (high level position).

Such as Fig. 3, shown in Fig. 4, block water plate 21 coordinates with block water plate support 22, and block water plate 21 is by block water plate rotating shaft 213 It is arranged on block water plate support 2.Block water plate 21 can rotate around block water plate rotating shaft 213, but at block water plate support 22 Upper limited location structure, controlling block water plate 21 can only rotate at certain angle.

Such as Fig. 4, shown in Fig. 5, the horizontal-spray hole 101 at spray arm 1 two ends is separately operable 200 4 corners of bowl basket wherein Aspect graph when one.It is positioned at horizontal-spray hole 101 horizontal-jet on the downside of spray arm 1 and goes out current, impact on block water plate 21, Block water plate 21 rotates to restraining position around block water plate rotating shaft 213, and 21 water of block water plate reflex to a bowl basket according to certain angle The washing zone at 200 dead angles, the washing tableware in this region.

Operation principle:

As shown in Figure 4, when being positioned at one of them that the horizontal-spray hole 101 on the downside of spray arm forwards 200 4 corners of bowl basket to, Horizontal-spray hole 101 horizontal-jet goes out current, impacts the block water plate rotating shaft 213 at block water plate 21 with underside area, block water plate 21 rotate to top on the downside of block water plate 21 to the restraining position of block water plate support 22, block water plate 21 around block water plate rotating shaft 213 Water according to reflexing to the washing zone at bowl basket 200 dead angle in less angle with level, the washing tableware in this region.

As it is shown in figure 5, when being positioned at the horizontal-spray hole 101 on the upside of spray arm and forwarding above-mentioned corner to, horizontal-spray hole 101 Horizontal-jet goes out current, impacts the block water plate rotating shaft 213 at block water plate 21 with upper-side area, and block water plate 21 is around block water plate Rotating shaft 213 rotates to top on the upside of block water plate 21 to the restraining position of block water plate support 22,21 water of block water plate according to level The washing zone at bowl basket 200 dead angle, the washing tableware in this region is reflexed in relatively mitre.

Conventional spray arm 1 end hole is obliquely, it is impossible to level, because level has a water slug on internal cavity of bowl washer, draws Play the biggest noise.So spray orifice obliquely cannot be flushed to be placed on the tableware in four corners of bowl basket.This design The tableware being flushed to be placed on four angles of bowl basket that can be good, reaches preferably to clean effect, does not increase dish-washing machine simultaneously Noise.

The mode at this dish-washing machine washing bowl basket dead angle: can effectively wash the tableware placed on four corners of bowl basket, lifting is washed Clean effect；Jeting area in four corners is variable, expands the projected area of spray orifice, promotes and cleans effect；Will not increase and make an uproar Sound.

In description of the present utility model, it is to be understood that term " " center ", " on ", D score, "front", "rear", "left", "right", " vertically ", " level ", " top ", " end " " interior ", " outward " etc. instruction orientation or position relationship be based on Orientation shown in the drawings or position relationship, be for only for ease of description the utility model and simplify description rather than instruction or dark The device or the element that show indication must have specific orientation, with specific azimuth configuration and operation, therefore it is not intended that right Restriction of the present utility model.

Additionally, term " first ", " second " are only used for describing purpose, and it is not intended that instruction or hint relative importance Or the implicit quantity indicating indicated technical characteristic.Thus, define " first ", the feature of " second " can be expressed Or implicitly include at least one this feature.In description of the present utility model, " multiple " are meant that at least two, example Such as two, three etc., unless otherwise expressly limited specifically.

In the utility model, unless otherwise clearly defined and limited, term " install ", " being connected ", " connection ", " Gu Fixed " etc. term should be interpreted broadly, connect for example, it may be fixing, it is also possible to be to removably connect, or integral；Can To be mechanical connection, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, permissible It is connection or the interaction relationship of two elements of two element internals, unless otherwise clear and definite restriction.For this area For those of ordinary skill, above-mentioned term concrete meaning in the utility model can be understood as the case may be.

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 mediate contact.And, first Feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, Or it is merely representative of fisrt feature level height higher than second feature.Fisrt feature second feature " under ", " lower section " and " under Face " can be fisrt feature immediately below second feature or obliquely downward, or be merely representative of fisrt feature level height less than the Two features.

In the description of this specification, reference term " embodiment ", " some embodiments ", " example ", " specifically show Example " or the description of " some examples " etc. means to combine this embodiment or example describes specific features, structure, material or Feature is contained at least one embodiment of the present utility model or example.In this manual, schematic to above-mentioned term Statement is necessarily directed to identical embodiment or example.And, the specific features of description, structure, material or feature Can be so that one or more embodiments in office or example to combine in an appropriate manner.Additionally, in the case of the most conflicting, Those skilled in the art can be by the different embodiments described in this specification or example and different embodiment or the spy of example Levy and be combined and combine.

Although above it has been shown and described that embodiment of the present utility model, it is to be understood that above-described embodiment is example Property, it is impossible to being interpreted as restriction of the present utility model, those of ordinary skill in the art can in the range of the utility model Above-described embodiment be changed, revise, to replace and modification.

Claims (11)

1. the spray arm device for dish-washing machine, it is characterised in that including:

Spray arm, described spray arm has pivot axle vertically, has in hollow chamber, and described spray arm in described spray arm There is the horizontal-spray hole sprayed water in the horizontal direction and for the vertical hole for water spraying upwards sprayed water, described horizontal-spray hole and described Vertical hole for water spraying all connects with described hollow chamber；

Dash assembly, described dash assembly is arranged around the pivot axle of described spray arm, at least of described dash assembly Point being positioned at the outside of described spray arm relative with described horizontal-spray hole, described dash assembly includes and described horizontal-spray hole phase To block water plate, for being ejected at least partially on described block water plate and by described of water that described horizontal-spray hole is sprayed Block water plate upwards reflects.

Spray arm device for dish-washing machine the most according to claim 1, it is characterised in that described horizontal-spray hole Yan Shui Square to extension, described block water plate is vertically extending and tilts upwardly toward described spray arm in side from top to bottom.

Spray arm device for dish-washing machine the most according to claim 2, it is characterised in that on direction from top to bottom The angle that described block water plate tilts towards described spray arm is in the range of 10 ° to 45 °.

Spray arm device for dish-washing machine the most according to claim 2, it is characterised in that described block water plate is around trunnion axis Line is the most rotatable, on direction from top to bottom described block water plate in primary importance towards described The angle that the angle that spray arm tilts tilts towards described spray arm in the second place less than described block water plate.

Spray arm device for dish-washing machine the most according to claim 4, it is characterised in that described block water plate includes being positioned at The first plate portion on the downside of described horizontal axis and be positioned at the second plate portion on the upside of described horizontal axis, described horizontal-spray hole includes Multiple, the part in multiple described horizontal-spray holes is relative with described first plate portion so that the water ejected by it promotes described Block water plate move the another part to primary importance, and multiple described horizontal-spray hole relative with described second plate portion so that by The water that it ejects promotes described block water plate to move to the second place.

6. according to the spray arm device for dish-washing machine described in claim 4 or 5, it is characterised in that the two ends of described spray arm Be equipped with horizontal-spray hole, and first water jet at described spray arm two ends respectively with described first plate portion and described second plate portion phase Right.

Spray arm device for dish-washing machine the most according to claim 6, it is characterised in that the level at described spray arm two ends Hole for water spraying lays respectively at the both sides up and down of described spray arm.

8. according to the spray arm device for dish-washing machine according to any one of claim 1-5, it is characterised in that described dash Assembly also includes block water plate support, and in the annular arranged around described spray arm between described block water plate, described block water plate is located at institute Stating the side towards described spray arm on block water plate support, described block water plate includes one or along between the circumference of described block water plate support Multiple every arrange.

Spray arm device for dish-washing machine the most according to claim 8, it is characterised in that described block water plate is along level It is rotatably provided between axis primary importance and the second place on described block water plate support, and described block water plate support is provided with Being positioned at the first limiting section outside described block water plate and the second limiting section, described first limiting section is positioned at described second limiting section Lower section, described block water plate lower end when primary importance is against on described first limiting section, and described block water plate is when the second place Upper end is against on described second limiting section.

Spray arm device for dish-washing machine the most according to claim 8, it is characterised in that described block water plate support in Around the rectangular box shape of spray arm, and each corner of neighbouring described block water plate support is equipped with described block water plate.

11. 1 kinds of dish-washing machines, it is characterised in that including:

Bowl basket, is suitable to shelve tableware in described bowl basket；

Spray arm device, described spray arm device is located at below described bowl basket, and described spray arm device is according in claim 1-10 The spray arm device for dish-washing machine described in any one, and described block water plate is adjacent to the week edge setting of described bowl basket.