CN204950852U - Spray arm subassembly of dish washer and have its dish washer - Google Patents

Abstract

The utility model discloses a spray arm subassembly of dish washer and have its dish washer, wherein, the spray arm subassembly of dish washer includes: the delivery pipe, slip spray arm seat, slip spray arm seat are established on the delivery pipe with following longitudinally slidable, spray arm, spray arm rotatably establish on slip spray arm seat, are formed with the spray arm chamber of intercommunication delivery pipe in the spray arm, and are formed with the orifice in intercommunication spray arm chamber on the spray arm, be used for driving the gliding drive assembly of slip spray arm seat. According to the utility model discloses a spray arm subassembly of dish washer can improve the scope of washing.

Description

The spray arm assembly of dish-washing machine and there is its dish-washing machine

Technical field

The utility model relates to washing technical field of electric appliances, particularly a kind of dish-washing machine spray arm assembly and there is the dish-washing machine of this spray arm assembly.

Background technology

At present, cabinet type household dish-washing machine can generally be divided into 60 machines and 45 machines according to width, and both width are about 60 centimetres and 45 centimetres respectively.Because the degree of depth of two kinds of machines is roughly the same, accordingly, the horizontal cross-section of the inside scrubbing section of 60 machines is close to square, and 45 machines are then rectangular region.The spray arm of dish-washing machine is that horizontal rotary transfers flushing tableware, therefore the coverage of spray arm is just close to circle, four angles made at dish washer interior are easily formed deficient scrubbing section by this, especially for 45 machines, except four angles, also have the clean result of scrubbing section front and back position to be also short of to some extent, thus the entirety that have impact on dish-washing machine clean effect.

Further, if offer outer end spray-hole specially to owe scrubbing section for jet douche, such outer end spray orifice can take a part of washings, but spray arm is when other positions, outer end spray orifice will be directly injected on the outer and inner courage of scrubbing section, cause the waste of washings resource, improve noise level simultaneously, thus have passive impact to the energy consumption of dish-washing machine, water consumption and noise.

Utility model content

The utility model is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the utility model is the spray arm assembly proposing a kind of dish-washing machine, can improve flushing scope.

According to the spray arm assembly of dish-washing machine of the present utility model, comprising: feed pipe; Slip spray arm seat, described slip spray arm seat is longitudinally located on described feed pipe slidably; Spray arm, described spray arm is rotatably located on described slip spray arm seat, is formed with the spray arm chamber being communicated with described feed pipe in described spray arm, and described spray arm is formed with the spray orifice being communicated with described spray arm chamber; For the driven unit driving described slip spray arm seat to slide.

According to the spray arm assembly of dish-washing machine of the present utility model, slip spray arm seat can move longitudinally, and the spray arm be arranged on slip spray arm seat can rotate, and by being communicated with the spray orifice spraying-rinsing tableware of feed pipe, therefore, by the movement longitudinally of slip spray arm seat, the scope of spray arm assembly cleaning can be increased, the problem occurring cleaning dead angle can be avoided.

In addition, according to the spray arm assembly of the above-mentioned dish-washing machine of the utility model, following additional technical characteristic can also be had:

Described slip spray arm seat is in extending longitudinally and the sleeve-shaped be communicated with described feed pipe with described spray arm chamber respectively, described feed pipe comprises spaced apart first guide pipe and the second guide pipe, described first guide pipe and described second guide pipe all extend longitudinally and axis collinear, and the two ends of described slip spray arm seat are longitudinally set on described first guide pipe and described second guide pipe respectively slidably.

The middle part of described slip spray arm seat is provided with the delivery port for being communicated with described spray arm chamber, described driven unit comprises: slidable, and described slidable to be longitudinally located in described slip spray arm seat and the chamber that gap-forming two is communicated with described second guide pipe with described first guide pipe respectively in described slip spray arm seat slidably; First positive stop and the second positive stop, described first positive stop and described second positive stop longitudinally interval be arranged in described slip spray arm seat inwall on and be positioned at described delivery port both sides longitudinally, described slidable is between described first positive stop and described second positive stop; For the reversing valve assembly making described first guide pipe or described second guide pipe connect water source.

Described feed pipe also comprises the feed pipe main body extended longitudinally, described feed pipe main body is provided with the water receiving pipe for connecting water source, described first guide pipe and described second guide pipe are connected the two ends of described feed pipe main body respectively and extend to relative direction, be provided with dividing plate in described water receiving pipe and described dividing plate to extend in described feed pipe main body and described feed pipe main body is partitioned into is communicated with described first guide pipe first for water flow passage and the second confession water flow passage of being communicated with described second guide pipe.

Described reversing valve assembly comprises valve and for driving the driving element of described valve, described valve is formed with water hole, and described valve is located at movably on described water receiving pipe between the position making described first guide pipe of described water hole connection and the position connecting described second guide pipe.

Described feed pipe main body is provided with the guide-track groove extended longitudinally, and the bottom of described slip spray arm seat is provided with the guiding rib be engaged at least partially in described guide-track groove.

The support rod extended longitudinally is provided with in described feed pipe main body.

Described feed pipe is formed with the first discharge orifice for earial drainage and the second discharge orifice, described first discharge orifice is communicated with described first guide pipe, and described second discharge orifice is communicated with described second guide pipe.

Described first discharge orifice is located at one end that described first guide pipe deviates from described second guide pipe, and described second discharge orifice is located at one end that described second guide pipe deviates from described first guide pipe.

The periphery of described slidable is formed with the guiding shirt rim of fitting with the internal face of described slip spray arm seat slidably.

Any one in described first positive stop and described second positive stop include one or circumference along described slip spray arm seat spaced apart multiple.

In described first guide pipe and described second guide pipe the free end of any one outer peripheral face on be equipped with spacing outer lug boss, the internal face at the two ends of described slip spray arm seat is equipped with spacing inner convex platform, and described spacing outer lug boss is all between the spacing inner convex platform at the two ends of described slip spray arm seat.

The middle part of described slip spray arm seat is provided with outlet pipe, and the middle part of described spray arm is provided with the inlet opening being communicated with described spray arm chamber, and the periphery of described inlet opening is rotatably set on described outlet pipe.

The outer peripheral face of described outlet pipe is provided with annular stop flange, described spray arm is formed with one or around the spaced apart multiple snap fit of described water inlet pipe, described snap fit catches on described annular stop flange.

Tilting with the direction of in counter clockwise direction toward the clockwise direction at least partially in described spray orifice.

The utility model also proposed a kind of dish-washing machine, comprising: inner bag, is formed with washing cavities in described inner bag; Spray arm assembly, described spray arm assembly is located in described washing cavities, and described spray arm assembly is the spray arm assembly of the aforesaid dish-washing machine of the utility model.Have employed according to spray arm assembly of the present utility model in dish-washing machine of the present utility model, the slip spray arm seat of spray arm assembly can move longitudinally, and the spray arm be arranged on slip spray arm seat can rotate, and by being communicated with the spray orifice spraying-rinsing tableware of feed pipe, therefore, by the movement longitudinally of slip spray arm seat, the scope of spray arm assembly cleaning can be increased, the problem occurring cleaning dead angle can be avoided, and without the need to arranging outer end spray-hole in addition, washings can be sprayed by spray arm, saving water resource, but also can noise be reduced, thus effectively reduce the energy consumption of dish-washing machine, water consumes, noise.

Accompanying drawing explanation

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

Fig. 2 is the sectional view of the spray arm assembly of the dish-washing machine of the utility model embodiment.

Fig. 3 is the close-up schematic view that Fig. 2 centre circle shows A.

Fig. 4 is the close-up schematic view that Fig. 2 centre circle shows B.

Fig. 5 is the partial sectional view of the feed pipe of the spray arm assembly of the dish-washing machine of the utility model embodiment.

Fig. 6 is the schematic diagram of the slidable of the spray arm assembly of the dish-washing machine of the utility model embodiment.

Fig. 7 is the slip spray arm seat of the spray arm assembly of the dish-washing machine of the utility model embodiment and the partial sectional view of spray arm fit structure.

Fig. 8 is the close-up schematic view that Fig. 7 centre circle shows C.

Fig. 9 is that the spray arm seat that slides in the spray arm assembly of the dish-washing machine of the utility model embodiment is positioned at the schematic diagram of a position.

Figure 10 is the sectional view of Fig. 9 middle section D-D.

Figure 11 is that the spray arm seat that slides in the spray arm assembly of the dish-washing machine of the utility model embodiment is positioned at the schematic diagram of another location.

Figure 12 is the sectional view of Figure 11 middle section E-E.

Figure 13 is the schematic diagram of the reversing valve assembly of the spray arm assembly of the dish-washing machine of the utility model embodiment.

Figure 14 is the schematic diagram that the spray arm assembly of the dish-washing machine of the utility model embodiment coordinates with inner bag.

Reference numeral:

Spray arm assembly 1, spray arm chamber 101, spray orifice 102, delivery port 103, first supplies water flow passage 105 for water flow passage 104, second, water hole 109, the first discharge orifice 106, second discharge orifice 107, inlet opening 108,

Feed pipe 11, the first guide pipe 111, second guide pipe 112, feed pipe main body 113, water receiving pipe 114, dividing plate 115, spacing outer lug boss 116, guide-track groove 1131, support rod 1132,

Slip spray arm seat 12, guiding rib 121, spacing inner convex platform 122, outlet pipe 123, annular stop flange 124,

Spray arm 13, snap fit 132,

Driven unit 14, slidable 141, the first positive stop 142, second positive stop 143, reversing valve assembly 144, guiding shirt rim 1411, valve 1441, driving element 1442.

Detailed description of the invention

Be described below in detail embodiment of the present utility model, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the utility model, and can not be interpreted as restriction of the present utility model.

Referring to figs. 1 through Figure 14, according to the spray arm assembly 1 of the dish-washing machine of the utility model embodiment, comprising: feed pipe 11, slip spray arm seat 12, spray arm 13 and driven unit 14.

Specifically, slip spray arm seat 12 is longitudinally located on feed pipe 11 slidably.Spray arm 13 is rotatably located on slip spray arm seat 12, is formed with the spray arm chamber 101 being communicated with feed pipe 11 in spray arm 13, and spray arm 13 is formed with the spray orifice 102 being communicated with spray arm chamber 101.Driven unit 14 slides for driving slip spray arm seat 12.

According to the spray arm assembly 1 of the dish-washing machine of the utility model embodiment, slip spray arm seat 12 can move longitudinally, and the spray arm 13 be arranged on slip spray arm seat 12 can rotate, and by being communicated with the spray orifice 102 spraying-rinsing tableware of feed pipe 11, therefore, by slip spray arm seat 12 movement longitudinally, the scope that spray arm assembly 1 cleans can be increased, the problem occurring cleaning dead angle can be avoided, and without the need to arranging outer end spray-hole in addition, washings can be sprayed by spray arm assembly 1, saving water resource, but also can noise be reduced, thus significantly reduce the energy consumption of dish-washing machine, water consumes, noise.

Drive the rotation of spray arm 13 in the utility model and drive slip spray arm seat 12 slip longitudinally can by realizations such as motor, fluid pressure drive device, electromagnetic actuator devices, in addition, in order to reduce energy consumption and noise, the utility model is provided one and is slided and spray arm 13 device rotatably by hydraulic drives slip spray arm seat 12.The utility model mainly describes a kind of device that hydraulic drives slip spray arm seat 12 slides and spray arm rotates of embodiment, certainly, one of ordinary skill in the art will appreciate that protection domain of the present utility model is not limited only to this.

In order to make slip spray arm seat 12 stably slide, can lead to slip spray arm seat 12 by arranging guider in dish-washing machine, such as, pilot sleeve being set and slip spray arm seat 12 is set in this pilot sleeve; Fluid pressure drive device is adopted to drive slip spray arm seat 12 to slide.

The utility model provides a kind of device to slip spray arm seat 12 guiding below.

As shown in Figure 2, in embodiments more of the present utility model, make the guider of slip spray arm seat 12 on feed pipe 11 slides by arranging guider on feed pipe 11.Specifically, slip spray arm seat 12 is in the sleeve-shaped extended longitudinally, and slip spray arm seat 12 is communicated with feed pipe 11 with spray arm chamber 101 respectively, that is, feed pipe 11 and spray arm chamber 101 are connected (certainly, also feed pipe 11 directly can be connected spray arm 13) by slip spray arm seat 12.Feed pipe 11 comprises spaced apart first guide pipe 111 and the second guide pipe 112, first guide pipe 111 and the second guide pipe 112 all extend longitudinally and axis collinear, and the two ends of slip spray arm seat 12 are longitudinally set on the first guide pipe 111 and the second guide pipe 112 respectively slidably.Slip spray arm seat 12 can longitudinally stably slide on the first guide pipe 111 and the second guide pipe 112.

Advantageously, composition graphs 2 and Fig. 4, in first guide pipe 111 and the second guide pipe 112 free end of any one outer peripheral face on be equipped with spacing outer lug boss 116, the internal face at the two ends of slip spray arm seat 12 is equipped with spacing inner convex platform 122, and spacing outer lug boss 116 is all between the spacing inner convex platform 122 at the two ends of slip spray arm seat 12.By coordinating of spacing inner convex platform 122 and spacing outer lug boss 116, the position of limit slippage spray arm seat 12, deviates to avoid slip spray arm seat 12.

Wherein, the structure that the spacing inner convex platform 122 that Fig. 4 shows spacing outer lug boss 116 on the second guide pipe 112 and slip spray arm seat 12 rear end coordinates, with reference to the content of drawing and description in the utility model, those of ordinary skill in the art can know the structure that the spacing inner convex platform 122 of spacing outer lug boss 116 on the first guide pipe 111 and slip spray arm seat 12 front end coordinates easily

Composition graphs 2 and Fig. 3, in examples more of the present utility model, the middle part of slip spray arm seat 12 is provided with the delivery port 103 for being communicated with spray arm chamber 101, and driven unit 14 comprises: slidable 141, first positive stop 142, second positive stop 143 and reversing valve assembly 144.Specifically, slidable 141 to be longitudinally located in slip spray arm seat 12 and the chamber that gap-forming two is communicated with the second guide pipe 112 with the first guide pipe 111 respectively in slip spray arm seat 12 slidably.First positive stop 142 and the second positive stop 143 longitudinally interval be arranged in slip spray arm seat 12 inwall on and be positioned at delivery port 103 both sides longitudinally, slidable 141 is between the first positive stop 142 and the second positive stop 143.Reversing valve assembly 144 connects water source for making the first guide pipe 111 or the second guide pipe 112.

Composition graphs 2, Fig. 3, Figure 11 and Figure 12, when being controlled the first guide pipe 111 by reversing valve assembly 144 and connecting water source, current will enter into and will promote slidable 141 after in the first guide pipe 111 and slide, when sliding block 141 slides into precalculated position, second positive stop 143 will prop up sliding block 141, thus limit slippage block 141 continues to slide, now the first guide pipe 111 is connected with the delivery port 103 on slip spray arm seat 12, and under the effect of hydraulic pressure, sliding block 141 will drive slip spray arm seat 12 to slide towards the second guide pipe 112 (namely as shown in figure 11 direction) backward,

Composition graphs 2, Fig. 3, Fig. 9 and Figure 10, when being controlled the second guide pipe 112 by reversing valve assembly 144 and connecting water source, current will enter into and will promote slidable 141 after in the second guide pipe 112 and slide, when sliding block 141 slides into precalculated position, first positive stop 142 will prop up sliding block 141, thus limit slippage block 141 continues to slide, now the second guide pipe 112 is connected with the delivery port 103 on slip spray arm seat 12, and under the effect of hydraulic pressure, slip spray arm seat 12 will be promoted slide towards the first guide pipe 111 (namely as shown in Figure 9 direction) forward.

Therefore, driven unit 14 of the present utility model can successfully drive slip spray arm seat 12 to slide, thus the object that realization drives slip spray arm seat 12 longitudinally to slide, in addition, the structure of this driven unit 14 is simple, adopt the hydraulic pressure of current self to realize the slip of slip spray arm seat 12, thus reduce the noise etc. produced owing to increasing the structures such as motor.Certainly, motor, fluid pressure drive device also can be adopted to slide to drive slip spray arm seat 12.

Preferably, with reference to Fig. 6, the periphery of slidable 141 is formed with the guiding shirt rim 1411 of fitting with the internal face of slip spray arm seat 12 slidably.So that slidable 141 can stably slide.

Described guiding shirt rim 1411 is located at the periphery of slidable 141 and the mutual plate extended along the internal face of slip spray arm seat 12, and guiding shirt rim 1411 can be one or spaced apart multiple, also can be ringwise one.

Composition graphs 3, Fig. 7 and Fig. 8, any one in the first positive stop 142 and the second positive stop 143 include one or circumference along slip spray arm seat 12 spaced apart multiple.Thus can be effectively spacing to slidable 141, improve spacing stability.

Preferably, any one in first positive stop 142 and the second positive stop 143 include relative to the axisymmetrical of slip spray arm seat 12 arrange two or more, or the circumferential uniform intervals included along slip spray arm seat 12 of any one in the first positive stop 142 and the second positive stop 143 arrange multiple.

Advantageously, composition graphs 2 and Fig. 5, feed pipe 11 also comprises the feed pipe main body 113 extended longitudinally, feed pipe main body 113 is provided with the water receiving pipe 114 for connecting water source, first guide pipe 111 and the second guide pipe 112 are connected the two ends of feed pipe main body 113 respectively and extend to relative direction, the stiff end front end of the first guide pipe 111 (namely in Fig. 2) with reference to Fig. 2 first guide pipe 111 is connected with the front end of feed pipe main body 113, and the free end of the first guide pipe 111 rear end of the first guide pipe 111 (namely in Fig. 2) extends back; The stiff end of the second guide pipe 112 rear end of the second guide pipe 112 (namely in Fig. 2) is connected with the rear end of feed pipe main body 113, and the free end of the second guide pipe 112 front end of the second guide pipe 112 (namely in Fig. 2) extends forward; And the first guide pipe 111 and the second guide pipe 112 coaxial and spaced apart.

Be provided with dividing plate 115 in water receiving pipe 114 and dividing plate 115 to extend in feed pipe main body 113 and feed pipe main body 113 is partitioned into be communicated with the first guide pipe 111 first for water flow passage 104 and be communicated with the second guide pipe 112 second for water flow passage 105.That is, form two isolated confession water flow passage by feed pipe main body 113, thus realize making the first guide pipe 111 or the second guide pipe 112 connect the object at water source by selecting two to connect water source in water flow passage.

Preferably, composition graphs 2 and Fig. 5, feed pipe main body 113 is provided with the guide-track groove 1131 extended longitudinally, and the bottom of slip spray arm seat 12 is provided with the guiding rib 121 be engaged at least partially in guide-track groove 1131.By coordinating of guiding rib 121 and guide-track groove 1131, slip spray arm seat 12 is led, thus make slip spray arm seat 12 can longitudinally Stable sliding.

Further, with reference to Fig. 5, the support rod 1132 extended longitudinally in feed pipe main body 113, is provided with.To increase the structural strength of feed pipe main body 113, increase the shelf life of feed pipe.

This support rod 1132 can extend in the first guide pipe 111 and the second guide pipe 112 in addition.

Preferably, feed pipe 11 of the present utility model can be formed in one.

Composition graphs 5 and Fig. 9 to Figure 12, in embodiments more of the present utility model, feed pipe 11 is formed and is communicated with the first guide pipe 111 for the first discharge orifice 106 of earial drainage and the second discharge orifice 107, first discharge orifice 106, the second discharge orifice 107 is communicated with the second guide pipe 112.Therefore, in the process that slip spray arm seat 12 slides, can carry out pressure release by the first discharge orifice 106 and the second discharge orifice 107, that is, when slip spray arm seat 12 is towards front slide, the water on front side of slidable 141 can pass through the first discharge orifice 106 earial drainage; When slip spray arm seat 12 slides backwards, the water on rear side of slidable 141 can pass through the second discharge orifice 107 earial drainage.To reduce resistance during slip spray arm seat 12 forward slip.

What one of ordinary skill in the art will appreciate that is, the first described discharge orifice 106 and the size of the second discharge orifice 107 less, clean tableware be limited not affect the further spray arm 13 of current, in other words, the size of the first discharge orifice 106 and the second discharge orifice 107 is less than the size of the first guide pipe 111 and the second guide pipe 112.

In addition, the first discharge orifice 106 and the second discharge orifice 107 can be sized to spray orifice 102 suitable, thus cleaning tableware can be ejected from the current of the first discharge orifice 106 and the second discharge orifice 107 pressure release.

Further, first discharge orifice 106 is located at one end (namely front end) as shown in Figure 10 that the first guide pipe 111 deviates from the second guide pipe 112, and the second discharge orifice 107 is located at one end rear end of the second guide pipe 112 (namely as shown in Figure 10) that the second guide pipe 112 deviates from the first guide pipe 111.Slip spray arm seat 12 is avoided to block the first discharge orifice 106 and the second discharge orifice 107 causes pressure release weak effect.

Composition graphs 2 and Figure 13, in specific embodiments more of the present utility model, reversing valve assembly 144 comprises valve 1441 and for driving the driving element 1442 of valve 1441, valve 1441 is formed with water hole 109, valve 1441 make water hole 109 connect the first guide pipe 111 position and connect the second guide pipe 112 position between be located at movably on water receiving pipe 114.That is the side moving to dividing plate 115 by controlling water hole 109 selects one in the first guide pipe 111 and the second guide pipe 112 to connect water source, and is disconnected by another in water source and the first guide pipe 111 and the second guide pipe 112 by valve 1441.

Described driving element 1442 can be motor, Electromagnetic Drive element etc.

As shown in Figure 8, in embodiments more of the present utility model, the middle part of slip spray arm seat 12 is provided with outlet pipe 123, and the middle part of spray arm 13 is provided with the inlet opening 108 being communicated with spray arm chamber 101, and the periphery of inlet opening 108 is rotatably set on outlet pipe 123.

Further, as shown in Figure 8, the outer peripheral face of outlet pipe 123 is provided with annular stop flange 124, spray arm 13 is formed with one or around the spaced apart multiple snap fit 132 of water inlet pipe, snap fit 132 catches on annular stop flange 124.Spray arm 13 stably can be slided on slip spray arm seat 12, avoid spray arm 13 to deviate from.

With reference to Fig. 1 and Fig. 7, in embodiments more of the present utility model, tilting with the direction of in counter clockwise direction toward the clockwise direction at least partially in spray orifice 102.Thus, at current by during towards the spray orifice 102 tilted clockwise or counterclockwise, the reverse impact effect of current will drive spray arm 13 to rotate, thus makes the structure of spray arm assembly 1 simple, it also avoid and adopts motor, energy consumption that Electromagnetic Drive produces when seeing and drive spray arm 13 or noise.

Preferably, the spray orifice 102 being arranged on spray arm 13 edge tilts in an upward direction along clockwise direction.

Also proposed a kind of dish-washing machine with reference to Figure 14 the utility model, comprising: inner bag 2 and spray arm assembly 1.Washing cavities is formed in inner bag 2; Spray arm assembly 1 is located in washing cavities, and spray arm assembly 1 is the spray arm assembly 1 according to the aforesaid dish-washing machine of the utility model.

The spray arm assembly 1 according to the utility model previous embodiment is have employed in dish-washing machine of the present utility model, the slip spray arm seat 12 of spray arm assembly can move longitudinally, and the spray arm 13 be arranged on slip spray arm seat 12 can rotate, and by being communicated with the spray orifice 102 spraying-rinsing tableware of feed pipe 11, therefore, by slip spray arm seat 12 movement longitudinally, the scope that spray arm assembly 1 cleans can be increased, the problem occurring cleaning dead angle can be avoided, and without the need to arranging outer end spray-hole in addition, washings can be sprayed by spray arm 13, saving water resource, but also can noise be reduced, thus effectively reduce the energy consumption of dish-washing machine, water consumes, noise.

Dish-washing machine disclosed in the utility model and spray arm assembly thereof can improve spray arm spin rinse coverage effect, specifically, spray arm can slide anteroposterior, make same spray arm can carry out stop hydro-peening on former and later two positions, achieve and better covering is washed to rectangle washing zone, thus improve and improve overall clean effect, there is very strong practicality and generalization.

Dish-washing machine and the spray arm assembly thereof of the utility model specific embodiment are described with reference to the accompanying drawings.

The technical scheme that composition graphs 1 to Figure 14 the utility model proposes is as follows: a kind of Novel spraying arm component 1, assembly comprise can horizontally rotate spray arm 13, slip spray arm seat 12, slidable 141, be provided with the feed pipe 11 of guide rail (i.e. the first guide pipe 111 and the second guide pipe 112) and the valve 1441 for point water.Wherein, slip spray arm seat 12 is set on feed pipe 11, can along the guide rail direction slide anteroposterior of feed pipe 11, and spray arm 13 is contained on slip spray arm seat 12, in dish-washing machine, diverse location horizontally rotates, and carries out hydro-peening clean tableware.

Particularly, the spray arm 13 that the utility model proposes is general spray arm structures used, and has inlet opening 108, hollow cavity (i.e. spray arm chamber 101) and several washing spray orifices 102.Inlet opening 108 is enclosed within the outlet pipe 123 of slip spray arm seat 12, and both sides are provided with snap fit 132, in order to coordinate with the annular stop flange 124 on slip spray arm seat 12 outlet pipe 123.Spray orifice 102 communicates with described hollow cavity, carries out flush clean to tableware jet cleaning water, for the spray orifice 102 with certain angle being wherein positioned at outer end, except washing function, also plays the effect of thrust spray orifice, horizontally rotates in order to promote described spray arm 13.

Particularly, slip spray arm seat 12 that composition graphs 2 and Fig. 4 the utility model proposes entirety is tube-in-tube structure, on the first guide pipe 111 being set in feed pipe 11 and the second guide pipe 112.In slip spray arm seat 12 both-side ends, be respectively equipped with the spacing inner convex platform 122 of a circle, match with the spacing outer lug boss 116 on the first guide pipe 111 and the second guide pipe 112, play effect that is spacing and sealing.Meanwhile, bottom slip spray arm seat 12, be provided with one guiding rib 121, embed in the guide-track groove 1131 on feed pipe 11 during assembling, further limit slippage spray arm seat 12 glide direction, and the weight of meeting support whole slip spray arm seat 12 and spray arm 13.In slip spray arm seat 12 middle, offered an outlet pipe 123 upwards, outlet pipe 123 outside wall surface is also provided with a ring shape defining flange 124, in order to coordinate with the snap fit 132 of spray arm 13.During work, the inlet opening 108 of spray arm 13 is enclosed within the outlet pipe 123 of slip spray arm seat 12, the annular stop flange 124 that snap fit 132 on spray arm 13 will catch on the outlet pipe 123 of slip spray arm seat 12, makes spray arm 13 can carry out horizontal revolving motion on slip spray arm seat 12.

Particularly, the feed pipe 11 that the utility model proposes is front and back symmetrical structures, is arranged on bottom inner bag 2.Feed pipe 11 is divided into first guide pipe 111, second guide pipe 112 on upper strata and the confession water flow passage of lower floor, bottom is provided with water receiving pipe 114, connect the water pump water supply system of dish-washing machine, water receiving pipe 114 is divided into front and back two halves by middle dividing plate 115, and be provided with the valve 1441 of solenoid control, have water hole 109 in the middle of valve 1441, thus the front half of runner of conducting (namely first for water flow passage 104) or rear half of runner (namely second for water flow passage 105) will be selected by the diverse location of valve 1441.With water receiving pipe 114 structure accordingly, feed pipe main body 113 is divided into front and back two halves (namely first supplying water flow passage 105 for water flow passage 104 and second) symmetrically by dividing plate 115, washings flow into first respectively by water receiving pipe 114 and respectively flow to first guide pipe 111 and second guide pipe 112 corresponding to upper strata for water flow passage 104 and second for water flow passage 105 for water flow passage 105, first for water flow passage 104 or second.Further, the first guide pipe 111 and the second guide pipe 112 is stretched out on the upper strata of feed pipe 11 respectively, first guide pipe 111 and the second guide pipe 112 are respectively towards relatively arranging, slip spray arm seat 12 will be set on the first guide pipe 111 and the second guide pipe 112, can along the first guide pipe 111 and the second guide pipe 112 slide anteroposterior.The root position of the first guide pipe 111 and the second guide pipe 112 is equipped with discharge orifice, for the earial drainage of the water in guide pipe corresponding to slip spray arm seat 12 slide anteroposterior, in order to reduce the resistance that slip spray arm seat 12 slides.The free end of the first guide pipe 111 and the second guide pipe 112 is provided with the spacing outer lug boss 116 of a circle, coordinate with the spacing inner convex platform 122 at slip spray arm seat 12 two ends, limit the front and back stop position of slip spray arm seat 12, simultaneously by dimensional fits relation, realize the sealing between guide pipe and slip spray arm seat 12.Further, the feed pipe main body 113 of lower floor is provided with guide-track groove 1131, and guided slidable spray arm seat 12 slides further on the one hand, plays the effect of primary support slip spray arm seat 12 and spray arm 13 on the other hand.In addition, in feed pipe main body 113 and the first guide pipe 111, second guide pipe 112, the support rod 1132 moved towards front and back is also provided with, in order to support the shape keeping feed pipe main body 113 and guide pipe.

Further, the utility model provides a slidable 141, and its shape and slip spray arm seat 12 cavity shape match, make slidable 141 can in slip spray arm seat 12 slide anteroposterior.Meanwhile, slidable 141 both sides are provided with guiding shirt rim 1411, in order to coordinate slip spray arm seat 12 cavity shape better, make slidable 141 keep vertically, can not tilting or block in sliding process.On the other hand, the inner chamber of slip spray arm seat 12 is provided with the first positive stop 142 and the second positive stop 143, comprises two of upper and lower cloth respectively, in order to block slidable 141, allow slidable 141 can rest on former and later two positions, two pivot positions of corresponding spray arm 13.

Again further, when the confession water flow passage of valve 1441 conducting wherein side, water will constantly flow in slip spray arm seat 12 by this side guide pipe, promote the positive stop place that slidable 141 rests in opposite side, the washings that now constantly supply is come in will be blocked by slidable 141, turn to and flow out from the outlet pipe 123 slip spray arm seat 12, enter among spray arm 13, hydraulic pressure effect simultaneously will promote slidable 141 further together with slip spray arm seat 12, guide pipe on slip spray arm seat 12 1 edge feed pipe 11 and guide-track groove 1131 are slided to opposite side, while the water in pushing opposite side guide pipe is discharged from discharge orifice, finally due to the position-limiting action of the spacing outer lug boss 116 on the spacing inner convex platform 122 of slip spray arm seat 12 and guide pipe, slip spray arm seat 12 and on spray arm 13 will stop, spray arm 13 is positioned at anterior position to carry out horizontally rotating hydro-peening.After this, when the confession water flow passage of valve 1441 conducting opposite side, promotion slip spray arm seat 12 together with spray arm 13 reverse slide, and finally rests on another position by washings, and spray arm 13 is positioned at rear position to carry out horizontally rotating hydro-peening.

Specifically, Fig. 9 and Figure 10 shows spray arm 13 and is positioned at spray arm assembly 1 working condition when anterior position carries out rotation spray washing, and service position corresponds to second and intakes for water flow passage 105, with reference to Fig. 9.Rear one side of something of the water receiving pipe 114 of valve 1441 conducting feed pipe 11, water enters second for water flow passage 105, is flow among slip spray arm seat 12 by the second guide pipe 112.Now, water promotes slidable 141 and rests in the first positive stop 142 place in slip spray arm seat 12, and water is blocked by slidable 141, turns to and flows to spray arm 13 from the outlet pipe 123 of slip spray arm seat 12.Then, because second supplies the water inlet of water flow passage 105 to have certain pressure, act on after slidable 141, and first for water flow passage 104 by the space outerpace of the first discharge orifice 106 and spray arm assembly 1 together with, make slidable 141 back pressure reduction above, therefore hydraulic pressure effect will promote slip spray arm seat 12 forward slip further, the water pushed in the first guide pipe 111 is discharged from the first discharge orifice 106, until the spacing inner convex platform 122 on rear side of slip spray arm seat 12 and the spacing outer lug boss 116 on the second guide pipe 112 are blocked, slip spray arm seat 12 and spray arm 13 will rest in anterior position, spray arm 13 is positioned at anterior position to carry out horizontally rotating hydro-peening.

Figure 11 and Figure 12 shows spray arm 13 and is positioned at spray arm assembly 1 working condition when rotation spray washing is carried out in rear position, and service position corresponds to first and intakes for water flow passage 104, with reference to Figure 11.In the present embodiment, front one side of something of the water receiving pipe 114 of valve 1441 conducting feed pipe 11, water enters first for water flow passage 104, is flow among slip spray arm seat 12 by the first guide pipe 111.Now, water promotes slidable 141 and rests in the second positive stop 143 place in slip spray arm seat 12, and water is blocked by slidable 141, turns to and flows to spray arm 13 from the outlet pipe 123 of slip spray arm seat 12.Then, because first supplies the water inlet of water flow passage 104 to have certain pressure, act on before slidable 141, and second for water flow passage 105 by the space outerpace of the second discharge orifice 107 and spray arm assembly 1 together with, make slidable 141 back pressure reduction below, therefore hydraulic pressure effect slides backward promoting slip spray arm seat 12 further, push the second guide pipe 112, interior water is discharged from the second discharge orifice 107, until the spacing outer lug boss 116 on the spacing inner convex platform 122 of the front side of spray arm seat and the first guide pipe 111 is blocked, slip spray arm seat 12 and spray arm 13 will rest in rear position, spray arm 13 is positioned at rear position to carry out horizontally rotating hydro-peening.

Therefore, the spray arm assembly 1 that the utility model proposes, the confession water flow passage selecting conducting different by solenoid control valve 1441, make slip spray arm seat 12 can slide anteroposterior together with spray arm 13, achieve spray arm 13 to carry out horizontally rotating hydro-peening in former and later two different positions, thus effectively can improve washing coverage condition and improve overall clean effect.Especially for rectangular washing zone, the spray arm device that the utility model proposes has stronger practicality.

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 ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the utility model and simplified characterization for convenience of description, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore can not be interpreted as restriction of the present utility model.

In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly 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, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can 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, the concrete meaning of above-mentioned term 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, 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 ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.

In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are 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 specific features 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 description or example and different embodiment or example can carry out combining and combining by those skilled in the art.

Although illustrate and described embodiment of the present utility model above, be understandable that, above-described embodiment is exemplary, can not be interpreted as restriction of the present utility model, those of ordinary skill in the art can change above-described embodiment, revises, replace and modification in scope of the present utility model.

Claims (16)

1. a spray arm assembly for dish-washing machine, is characterized in that, comprising:

Feed pipe;

Slip spray arm seat, described slip spray arm seat is longitudinally located on described feed pipe slidably;

Spray arm, described spray arm is rotatably located on described slip spray arm seat, is formed with the spray arm chamber being communicated with described feed pipe in described spray arm, and described spray arm is formed with the spray orifice being communicated with described spray arm chamber;

For the driven unit driving described slip spray arm seat to slide.

2. the spray arm assembly of dish-washing machine according to claim 1, it is characterized in that, described slip spray arm seat is in extending longitudinally and the sleeve-shaped be communicated with described feed pipe with described spray arm chamber respectively, described feed pipe comprises spaced apart first guide pipe and the second guide pipe, described first guide pipe and described second guide pipe all extend longitudinally and axis collinear, and the two ends of described slip spray arm seat are longitudinally set on described first guide pipe and described second guide pipe respectively slidably.

3. the spray arm assembly of dish-washing machine according to claim 2, is characterized in that, the middle part of described slip spray arm seat is provided with the delivery port for being communicated with described spray arm chamber, and described driven unit comprises:

Slidable, described slidable to be longitudinally located in described slip spray arm seat and the chamber that gap-forming two is communicated with described second guide pipe with described first guide pipe respectively in described slip spray arm seat slidably;

First positive stop and the second positive stop, described first positive stop and described second positive stop longitudinally interval be arranged in described slip spray arm seat inwall on and be positioned at described delivery port both sides longitudinally, described slidable is between described first positive stop and described second positive stop;

For the reversing valve assembly making described first guide pipe or described second guide pipe connect water source.

4. the spray arm assembly of dish-washing machine according to claim 3, it is characterized in that, described feed pipe also comprises the feed pipe main body extended longitudinally, described feed pipe main body is provided with the water receiving pipe for connecting water source, described first guide pipe and described second guide pipe are connected the two ends of described feed pipe main body respectively and extend to relative direction, be provided with dividing plate in described water receiving pipe and described dividing plate to extend in described feed pipe main body and described feed pipe main body is partitioned into is communicated with described first guide pipe first for water flow passage and the second confession water flow passage of being communicated with described second guide pipe.

5. the spray arm assembly of dish-washing machine according to claim 4, it is characterized in that, described reversing valve assembly comprises valve and for driving the driving element of described valve, described valve is formed with water hole, and described valve is located at movably on described water receiving pipe between the position making described first guide pipe of described water hole connection and the position connecting described second guide pipe.

6. the spray arm assembly of dish-washing machine according to claim 4, is characterized in that, described feed pipe main body is provided with the guide-track groove extended longitudinally, and the bottom of described slip spray arm seat is provided with the guiding rib be engaged at least partially in described guide-track groove.

7. the spray arm assembly of dish-washing machine according to claim 4, is characterized in that, is provided with the support rod extended longitudinally in described feed pipe main body.

8. the spray arm assembly of dish-washing machine according to claim 3, it is characterized in that, described feed pipe is formed with the first discharge orifice for earial drainage and the second discharge orifice, described first discharge orifice is communicated with described first guide pipe, and described second discharge orifice is communicated with described second guide pipe.

9. the spray arm assembly of dish-washing machine according to claim 8, it is characterized in that, described first discharge orifice is located at one end that described first guide pipe deviates from described second guide pipe, and described second discharge orifice is located at one end that described second guide pipe deviates from described first guide pipe.

10. the spray arm assembly of dish-washing machine according to claim 3, is characterized in that, the periphery of described slidable is formed with the guiding shirt rim of fitting with the internal face of described slip spray arm seat slidably.

The spray arm assembly of 11. dish-washing machines according to claim 3, is characterized in that, any one in described first positive stop and described second positive stop include one or circumference along described slip spray arm seat spaced apart multiple.

The spray arm assembly of 12. dish-washing machines according to claim 2, it is characterized in that, in described first guide pipe and described second guide pipe the free end of any one outer peripheral face on be equipped with spacing outer lug boss, the internal face at the two ends of described slip spray arm seat is equipped with spacing inner convex platform, and described spacing outer lug boss is all between the spacing inner convex platform at the two ends of described slip spray arm seat.

The spray arm assembly of 13. dish-washing machines according to any one of claim 1-12, it is characterized in that, the middle part of described slip spray arm seat is provided with outlet pipe, and the middle part of described spray arm is provided with the inlet opening being communicated with described spray arm chamber, and the periphery of described inlet opening is rotatably set on described outlet pipe.

The spray arm assembly of 14. dish-washing machines according to claim 13, it is characterized in that, the outer peripheral face of described outlet pipe is provided with annular stop flange, described spray arm is formed with one or around the spaced apart multiple snap fit of described water inlet pipe, described snap fit catches on described annular stop flange.

The spray arm assembly of 15. dish-washing machines according to claim 1, is characterized in that, tilting with the direction of in counter clockwise direction toward the clockwise direction at least partially in described spray orifice.

16. 1 kinds of dish-washing machines, is characterized in that, comprising:

Inner bag, is formed with washing cavities in described inner bag;

Spray arm assembly, described spray arm assembly is located in described washing cavities, and the spray arm assembly that described spray arm assembly is the dish-washing machine according to any one of claim 1-15.