CN209153529U - Gushing arm and washing electric appliance with it - Google Patents

Abstract

The utility model discloses a kind of gushing arm and with its washing electric appliance.The gushing arm includes main jet arm, multiple secondary gushing arms and ball assembly, each secondary gushing arm is connected with the main jet arm, and the secondary gushing arm can be rotated relative to the main jet arm, be provided with the ball assembly at the connection cooperation of each secondary gushing arm and the main jet arm.According to the gushing arm of the utility model embodiment, pass through setting main jet arm and multiple secondary gushing arms, increase the quantity of gushing arm, to increase the amount of water sprayed of gushing arm, be conducive to enhance the cleaning effect that gushing arm treats cleaning part, and secondary gushing arm can be rotated relative to main jet arm, to increase the spraying range of main jet arm and secondary gushing arm, it ensure that gushing arm can treat the entirety of cleaning part and be cleaned, by the way that ball assembly is arranged, secondary gushing arm and main jet arm are connected as one, to ensure that the high reliablity of gushing arm work.

Description

Gushing arm and washing electric appliance with it

Technical field

The utility model relates to fields of home appliance technology, in particular to a kind of gushing arm and with its washing electricity Device.

Background technique

Most of current washing electric appliance gushing arm is rotated to direction, is terminated from starting to clean to cleaning, is cleaned Track be consistent, therefore be easy to produce dead angle, by taking dish-washing machine as an example, the bowl basket of dish-washing machine and the Position Design of gushing arm are equal It works good, the design of existing bowl basket is mostly the standard tableware design according to the domestic market of China, when consumer is in own home In in actual use, if the size of tableware, placement position, direction and standard tableware size and put difference, be easy to lead It causes dish-washing machine not wash clean clearly at work, generates user's pain spot.

Some dish-washing machines are in order to promote clean ability, using satellite gushing arm or WaterWall (waterwall), but satellite gushing arm or Structure is complicated by WaterWall, with high costs, is unfavorable for promoting and applying.

Utility model content

The utility model is intended to solve one of above-mentioned technical problem in the prior art at least to a certain extent.For this purpose, The utility model proposes a kind of gushing arms, and the gushing arm structure is simple, and when using the gushing arm article-cleaning, cleaning effect is preferable.

The utility model also proposed a kind of washing electric appliance with above-mentioned gushing arm.

Gushing arm according to the utility model embodiment includes main jet arm, multiple secondary gushing arms and ball assembly, each described Secondary gushing arm is connected with the main jet arm, and the secondary gushing arm can be rotated relative to the main jet arm, each secondary gushing arm and institute It states and is provided with the ball assembly at the connection cooperation of main jet arm.

The number of gushing arm is increased by setting main jet arm and multiple secondary gushing arms according to the gushing arm of the utility model embodiment Amount is conducive to enhance the cleaning effect that gushing arm treats cleaning part to increase the amount of water sprayed of gushing arm, and secondary gushing arm relative to Main jet arm can be rotated, to increase the spraying range of main jet arm and secondary gushing arm, ensure that gushing arm can treat the entirety of cleaning part It is cleaned, by the way that ball assembly is arranged, secondary gushing arm and main jet arm is connected as one, to ensure that the reliable of gushing arm work Property it is high.

Some embodiments according to the present utility model, the main jet arm include: that main jet arm body is connected with multiple main jet arms Set, multiple main jet arms connections are set on the same side of the main jet arm body, the main jet arm body and multiple described There is the main chamber of connection, each secondary gushing arm is realized by a main jet arm connector sleeve and institute in main jet arm connector sleeve Main jet arm is stated to be connected.

Further, each secondary gushing arm includes: secondary gushing arm ontology and secondary gushing arm connector sleeve, the pair gushing arm connector sleeve The side towards the main jet arm of the secondary gushing arm ontology is set, in the pair gushing arm ontology and the secondary gushing arm connector sleeve Secondary cavity with connection, and the secondary cavity is also connected to main chamber room, the pair gushing arm connector sleeve and the main jet The ball assembly is provided at the connection cooperation of arm connector sleeve.

Some embodiments according to the present utility model, the ball assembly include at least multiple balls, multiple balls Rollably cooperate between the secondary gushing arm connector sleeve and the main jet arm connector sleeve.

Further, the ball assembly further include: bearing substrate, the ball are cooperated by the bearing substrate in institute It states between secondary gushing arm connector sleeve and the main jet arm connector sleeve.

Optionally, the bearing substrate includes: inner sleeve, and the inner sleeve is suitable for and the secondary gushing arm connector sleeve and described One of cooperation in main jet arm connector sleeve；Intermediate sleeve, the intermediate sleeve is set in the outside of the inner sleeve, described Multiple ball holes are provided on intermediate sleeve, the ball is mounted in the ball hole, and the ball is in the intermediate sleeve The inner peripheral surface and outer peripheral surface for radially protruding the intermediate sleeve of cylinder；Outer sleeve, the outer sleeve are set in the intermediate sleeve The outside of cylinder, the outer sleeve are suitable for and another cooperation in the secondary gushing arm connector sleeve and the main jet arm connector sleeve.

Optionally, the bearing substrate includes: inner sleeve, and the inner sleeve is suitable for and the secondary gushing arm connector sleeve and described One of cooperation in main jet arm connector sleeve；Outer sleeve, the outer sleeve are suitable for and the secondary gushing arm connector sleeve and the master Another cooperation in gushing arm connector sleeve.

Some embodiments according to the present utility model, the inner sleeve and the secondary gushing arm connector sleeve and the main jet arm connect In female connector it is described one of them combine together so that the inner sleeve constitutes one of them described a part；Or The outer sleeve in the secondary gushing arm connector sleeve and the main jet arm connector sleeve it is described another combine together, thus So that the outer sleeve constitutes another described a part.

Some embodiments according to the present utility model, the inner sleeve and the secondary gushing arm connector sleeve and the main jet arm connect In female connector it is described one of them combine together so that the inner sleeve constitutes one of them described a part；And And the outer sleeve in the secondary gushing arm connector sleeve and the main jet arm connector sleeve it is described another combine together, from And the outer sleeve is made to constitute another described a part.

Further, the outer sleeve ball grooves being suitable for the ball engagement are provided on the inner peripheral surface of the outer sleeve, It is provided on the outer peripheral surface of the inner sleeve and is suitable for inner sleeve ball grooves with the ball engagement, the outer sleeve ball grooves, The inner sleeve ball grooves are circumferential annular groove.

Specifically, the outer sleeve includes: outer sleeve peripheral wall and outer sleeve roof, and the outer sleeve roof is arranged described One end far from the main jet arm of outer sleeve peripheral wall, and the outer sleeve roof radially-inwardly prolonging along the outer sleeve peripheral wall It stretches, the outer sleeve ball grooves are arranged on the inner peripheral surface of the outer sleeve peripheral wall.

Specifically, the top of the intermediate sleeve is arranged in the ball hole, and the ball hole is major arc hole and top lacks Ball is formed at mouthful picks and places mouth.

Further, it is provided with reduction slot between two adjacent ball holes, and is provided in the reduction slot weak Change slot column.

Some embodiments according to the present utility model, the pair gushing arm include: the first gushing arm and the second gushing arm, the pair chamber Room includes: the first chamber in first gushing arm and the second chamber in second gushing arm, is set on first gushing arm It is equipped with the first drive hole for driving first gushing arm to rotate around first direction, first drive hole and first chamber Room is connected to, and the second drive hole for driving the upper gushing arm to rotate around second direction is provided on second gushing arm, described Second drive hole is connected to the second chamber, and the first direction is identical as the second direction or on the contrary, the main jet arm On be provided with main drive hole for driving the main jet arm to rotate around the first direction or the second direction.

Optionally, the length of the first gushing arm ontology is 0.5-1 times of the length of the main jet arm body, described second The length of gushing arm ontology is 0.5-1 times of the length of the main jet arm body.

Specifically, the ball is Plastic ball or stainless steel ball.

Some embodiments according to the present utility model, the height of the ball assembly are 5mm-25mm.

According to the washing electric appliance of the utility model another aspect embodiment, including above-mentioned gushing arm.

Detailed description of the invention

Fig. 1 is the decomposition diagram of gushing arm；

Fig. 2 is partial enlargement diagram at the A of Fig. 1；

Fig. 3 is the main view of gushing arm；

Fig. 4 is the left view of gushing arm；

Fig. 5 is the section main view of gushing arm；

Fig. 6 is partial enlargement diagram at the B of Fig. 5.

Appended drawing reference:

Gushing arm 10000, main jet arm 1000, main chamber 1001, main jet arm body 1100, main drive hole 1101, main jet arm connect Female connector 1200, the first connector sleeve of main jet arm 1210, the second connector sleeve of main jet arm 1220, main jet arm lower joint sleeve 1300, secondary gushing arm 2000, secondary gushing arm ontology 2100, secondary cavity 2101, secondary gushing arm connector sleeve 2200, the first gushing arm 2300, first chamber 2301, the One gushing arm connector sleeve 2310, the first gushing arm ontology 2320, the first drive hole 2321, the second gushing arm 2400, second chamber 2401, Two gushing arm connector sleeves 2410, the second gushing arm ontology 2420, the second drive hole 2421, ball assembly 3000, outer sleeve 3100, housing Cylinder peripheral wall 3110, outer sleeve roof 3120, outer sleeve ball grooves 3130, inner sleeve 3200, inner sleeve ball grooves 3210, intermediate sleeve Cylinder 3300, ball hole 3310, reduction slot 3320, reduction slot column 3330, ball 3400.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model Limitation.

In the description of the present invention, it should be understood that term " length ", " width ", "upper", "lower", " preceding ", The orientation or positional relationship of the instructions such as " rear ", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" be based on Orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than instruction or dark Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair The limitation of the utility model.

In the present invention unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " Gu It is fixed " etc. terms shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be It is connected directly, the mutual of connection inside two elements or two elements can also be can be indirectly connected through an intermediary Interactively.For the ordinary skill in the art, it can understand that above-mentioned term is practical new at this as the case may be Concrete meaning in type.

Below with reference to Fig. 1-Fig. 6 detailed description according to the gushing arm 10000 of the utility model embodiment.Gushing arm 10000 can be used In washing electric appliance, illustrate the structure of gushing arm 10000 for gushing arm 10000 is applied to dish-washing machine below.

Referring to Fig.1, shown in Fig. 3-Fig. 6, the gushing arm 10000 according to the utility model embodiment may include main jet arm 1000, multiple secondary gushing arms 2000 and ball assembly 3000, each pair gushing arm 2000 are connected with main jet arm 1000, when by gushing arm 10000 when being mounted on the bottom of dish-washing machine, and secondary gushing arm 2000 is located at the top of main jet arm 1000, is mounted on when by gushing arm 10000 When the top of dish-washing machine, secondary gushing arm 2000 is located at the lower section of main jet arm 1000, when the side wall that gushing arm 10000 is mounted on to dish-washing machine When, secondary gushing arm 2000 is located at the side towards dish washer interior cavity of main jet arm 1000.For convenience, below with spray Arm 10000 is mounted on for the bottom of dish-washing machine the structure for illustrating gushing arm 10000, at this point, main jet arm 1000 is lower spraying arm 10000, secondary gushing arm 2000 is upper gushing arm 10000.

It is provided with the hole for water spraying for spraying water into dish-washing machine on main jet arm 1000, multiple secondary gushing arms 2000, works as water spray When the water that hole sprays is fallen on tableware, cleaning action can be played to tableware.Main jet arm 1000, multiple secondary sprays jointly of gushing arm 2000 Water is conducive to the cleaning efficiency for improving dish-washing machine.

The setting of ball assembly 3000 is between main jet arm 1000 and secondary gushing arm 2000, by main jet arm 1000 and secondary gushing arm 2000 Be connected as one, ensure that main jet arm 1000 is simultaneously operable with secondary gushing arm 2000, be conducive to improve gushing arm 10000 works can By property.

Specifically, secondary gushing arm 2000 can be rotated relative to main jet arm 1000, can increase main jet arm 1000 and secondary gushing arm 2000 spraying range ensure that gushing arm 10000 can clean the entirety of tableware, to ensure that the clear of gushing arm 10000 It is preferable to wash effect.

By the way that ball assembly 3000 is arranged, when secondary gushing arm 2000 is rotated relative to main jet arm 1000, secondary gushing arm 2000 with Friction type between main jet arm 1000 is rolling friction, rather than sliding friction, in this way, force of rolling friction is to secondary gushing arm 2000 Resistance very little when rotation, therefore the hydrodynamic force as caused by friction can be reduced and lost, improve hydrodynamic utilization rate.Together When, fast speed when secondary gushing arm 2000 is rotated relative to main jet arm 1000, so being conducive to by setting ball assembly 3000 Ride comfort when main jet arm 1000 and the secondary rotation of gushing arm 2000 is improved, to advantageously reduce the noise of dish-washing machine.

In addition, between main jet arm 1000 and secondary gushing arm 2000, main jet arm 1000 and pair are sprayed for the setting of ball assembly 3000 Arm 2000 is dexterously connected as one, and can effectively reduce the height of 2000 junction of main jet arm 1000 and secondary gushing arm, thus The height dimension for reducing gushing arm 10000 saves dish washer interior space, leaves more spaces for putting for tableware, And then the tableware capacity of dish-washing machine is improved, such as dish washer interior useful load 10mm-40mm can be increased.

In a particular embodiment, the rotation direction of each secondary gushing arm 2000 may be the same or different, such as some pairs The rotation direction of gushing arm 2000 and other secondary gushing arms 2000 is on the contrary, in this way, the water column sprayed from these secondary gushing arms 2000 can be with Kneading force is generated in tableware surface, is conducive to further increase clean effect.Main jet arm 1000 and some secondary gushing arm 2000 Rotation direction can be identical, may be reversed.Such as in some embodiments, the rotation direction of each secondary gushing arm 2000 is identical, The rotation direction of main jet arm 1000 and secondary gushing arm 2000 is on the contrary, the water column sprayed as a result, from main jet arm 1000 and secondary gushing arm 2000 Kneading force can be generated in tableware surface, be equally beneficial for improving clean effect.Each pair gushing arm 2000 is ejected on tableware Water column direction and position be it is multidirectional, reduce dead angle be easier clean, since the coverage rate of water flow is larger, scavenging period also can It is corresponding to reduce, that is, be conducive to shorten scavenging period.

In the specific example of Fig. 1, the quantity of secondary gushing arm 2000 is two, it is preferable that the two secondary gushing arms 2000 turn Move contrary, main jet arm 1000 is identical as one of secondary rotation direction of gushing arm 2000.

Increased according to the gushing arm 10000 of the utility model embodiment by setting main jet arm 1000 and multiple secondary gushing arms 2000 Add the quantity of gushing arm 10000, to increase the amount of water sprayed of gushing arm 10000, is conducive to enhance gushing arm 10000 to the clear of tableware Effect is washed, and secondary gushing arm 2000 can be rotated relative to main jet arm 1000, to increase main jet arm 1000 and secondary gushing arm 2000 Spraying range, and the water column sprayed from main jet arm 1000 and secondary gushing arm 2000 can be allow to generate rubbing in tableware surface Power ensure that gushing arm 10000 can clean the entirety of tableware, by being arranged between main jet arm 1000 and secondary gushing arm 2000 Secondary gushing arm 2000 is connected as one by ball assembly 3000 with main jet arm 1000, to ensure that gushing arm 10000 works reliable Property it is high, and make to be conducive to reduce secondary gushing arm 2000 and main jet arm to be in rolling contact between main jet arm 1000 and secondary gushing arm 2000 Frictional force between 1000 improves hydrodynamic utilization rate to be conducive to reduce hydrodynamic force loss, guarantees water from gushing arm Pressure when 10000 hole for water sprayings spray is larger, is conducive to be promoted dish-washing machine to the cleaning effect of tableware.Meanwhile main jet arm 1000 It is connect between secondary gushing arm 2000 by ball assembly 3000, can effectively reduce the height dimension of gushing arm 10000, to save Dish washer interior space leaves more spaces for putting for tableware, improves the tableware capacity of dish-washing machine.

Referring to Fig.1, shown in Fig. 3-Fig. 5, main jet arm 1000 may include that main jet arm body 1100 is connected with multiple main jet arms Set 1200, the same side of main jet arm body 1100 is arranged in multiple main jet arm connector sleeves 1200, as shown in Figure 1, multiple main jet arms Connector sleeve 1200 is arranged at the top of main jet arm body 1100, and multiple main jet arm connector sleeves 1200 and main jet arm body 1100 It is fixedly connected, each pair gushing arm 2000 is connected by a realization of main jet arm connector sleeve 1200 with main jet arm 1000, and main jet arm connects Female connector 1200 is hollow cylindrical structure, therefore, by the way that main jet arm connector sleeve 1200 is arranged, guarantees secondary gushing arm 2000 and main jet arm 1000 can relatively rotate.

As shown in figure 5, there is the main chamber 1001 being connected in main jet arm body 1100 and multiple main jet arm connector sleeves 1200, Main jet arm body 1100 and multiple main jet arm connector sleeves 1200 can be hollow part, and main jet arm body 1100 and main jet arm connect Main chamber 1001 is collectively formed in the hollow position of female connector 1200, it is possible thereby to guarantee that the water at dish-washing machine water source can smoothly enter In main jet arm 1000, and then water is ejected into tableware surface through the hole for water spraying on main jet arm 1000, to complete the behaviour of cleaning tableware Make, therefore pass through setting main chamber 1001, it is ensured that has a certain amount of water in main jet arm 1000, to ensure that main jet arm 1000 can spray water column to tableware, and then ensure that the reliable operation of main jet arm 1000.

As shown in Fig. 1, Fig. 3-Fig. 5, main jet arm 1000 can also include main jet arm lower joint sleeve 1300, connect under main jet arm The downside of main jet arm body 1100 is arranged in set 1300, specifically, the top of main jet arm lower joint sleeve 1300 and main jet arm body 1100 bottom is fixedly connected.The bottom of main jet arm lower joint sleeve 1300 can be connected with internal cavity of bowl washer, can also be with gushing arm seat It is connected, the water at water source can enter in main chamber 1001 through main jet arm lower joint sleeve 1300, in other words, main jet arm lower joint sleeve 1300 Interior cavity is a part of main chamber 1001, i.e. main jet arm lower joint sleeve 1300 is similarly hollow, it is ensured that water source Water can smoothly enter into main chamber 1001.

Further, with reference to shown in Fig. 1, Fig. 4-Fig. 5, each pair gushing arm 2000 may include: secondary 2100 He of gushing arm ontology The side towards main jet arm 1000 of secondary gushing arm ontology 2100 is arranged in secondary gushing arm connector sleeve 2200, secondary gushing arm connector sleeve 2200, That is, secondary gushing arm connector sleeve 2200 is located at the lower section of secondary gushing arm ontology 2100, and secondary gushing arm connector sleeve 2200 and secondary gushing arm Ontology 2100 is fixedly connected.

When manufacturing, main jet arm body 1100, main jet arm connector sleeve 1200 and main jet arm lower joint sleeve 1300 can be with It being integrally formed, secondary gushing arm ontology 2100 and secondary gushing arm connector sleeve 2200 can also be integrally formed, it is possible thereby to simplify assembling process, Save assembly time.Certainly, in some unshowned embodiments, main jet arm body 1100, main jet arm connector sleeve 1200 and master Gushing arm lower joint sleeve 1300, which can be, to be detachably connected, and secondary gushing arm ontology 2100 and secondary gushing arm connector sleeve 2200 are also possible to removable Unload connection.

As shown in figure 5, there is the secondary cavity 2101 being connected to, pair spray in secondary gushing arm ontology 2100 and secondary gushing arm connector sleeve 2200 Arm body 2100 and secondary gushing arm connector sleeve 2200 can be hollow part, and secondary cavity is collectively formed in the hollow position of two components 2101, by the way that secondary cavity 2101 is arranged, it is ensured that have a certain amount of water in secondary gushing arm 2000, to ensure that secondary gushing arm 2000 can spray water column to tableware, and then ensure that the reliable operation of secondary gushing arm 2000.Secondary gushing arm connector sleeve 2200 is hollow circle Rod structure, to guarantee that secondary gushing arm connector sleeve 2200 can be relatively rotated with main jet arm connector sleeve 1200.

As shown in figure 5, secondary cavity 2101 is also connected to main chamber 1001, guarantee that the water in main chamber 1001 can be flowed into pair In chamber 2101, in a particular embodiment, after gushing arm 10000 connects dish-washing machine water source, the water at dish-washing machine water source passes through first Main jet arm lower joint sleeve 1300 enters in main chamber 1001, and the water in main chamber 1001 sprays outward through hole for water spraying at this time, into And dish-washing machine inner wall or tableware are carried out it is clean, at this point, as the water at water source continues into main chamber 1001, the water at water source by It is gradually full of main chamber 1001, the hydraulic pressure in main chamber 1001 is increasing, at this point, the water in main jet arm body 1100 can pass through master Gushing arm connector sleeve 1200 or secondary gushing arm connector sleeve 2200 enter in secondary gushing arm ontology 2100, that is to say, that in main chamber 1001 Water can enter secondary cavity 2101 in, at this point, the water in secondary cavity 2101 equally sprays outward, and then to dish-washing machine inner wall or meal Tool carry out it is clean, therefore, by the way that secondary cavity 2101 is connected to main chamber 1001, it is ensured that main jet arm 1000 and secondary spray Arm 2000 can work normally, and main jet arm 1000 and secondary gushing arm 2000 are sprayed water jointly, be conducive to improve amount of water sprayed, wash to be promoted Net effect.

As shown in Fig. 1, Fig. 5-Fig. 6, it is arranged at secondary gushing arm connector sleeve 2200 and the connection cooperation of main jet arm connector sleeve 1200 There is ball assembly 3000, the setting of ball assembly 3000 will be led between main jet arm connector sleeve 1200 and secondary gushing arm connector sleeve 2200 Gushing arm connector sleeve 1200 is connected as one with secondary gushing arm connector sleeve 2200, and then main jet arm 1000 and secondary gushing arm 2000 are connected as One, it is ensured that main jet arm 1000 is connect reliably with secondary gushing arm 2000, and does not interfere main jet arm 1000 and secondary gushing arm 2000 It relatively rotates, to ensure that 10000 functional reliability of gushing arm is high.In some embodiments of the utility model, ball assembly 3000 include at least multiple balls 3400, and multiple balls 3400, which rollably cooperate, to be connected in secondary gushing arm connector sleeve 2200 with main jet arm Between female connector 1200.

Further, ball assembly 3000 further include: bearing substrate, ball 3400 are cooperated by bearing substrate in secondary gushing arm Between connector sleeve 2200 and main jet arm connector sleeve 1200.

Optionally, bearing substrate includes: inner sleeve 3200, intermediate sleeve 3300, outer sleeve 3100, and inner sleeve 3200 is suitable for With one of cooperation in secondary gushing arm connector sleeve 2200 and main jet arm connector sleeve 1200, intermediate sleeve 3300 is set in inner sleeve 3200 outside is provided with multiple ball holes 3310 on intermediate sleeve 3300, and ball 3400 is mounted in ball hole 3310, and rolls In the inner peripheral surface and outer peripheral surface for radially protruding intermediate sleeve 3300 of intermediate sleeve 3300, outer sleeve 3100 is set in pearl 3400 The outside of intermediate sleeve 3300, outer sleeve 3100 be suitable for in secondary gushing arm connector sleeve 2200 and main jet arm connector sleeve 1200 in addition One cooperation.

Optionally, bearing substrate includes: inner sleeve 3200, outer sleeve 3100, and inner sleeve 3200 is suitable for connecting with secondary gushing arm One of cooperation in set 2200 and main jet arm connector sleeve 1200, outer sleeve 3100 are suitable for and secondary gushing arm connector sleeve 2200 and master Another cooperation in gushing arm connector sleeve 1200.

In some embodiments of the utility model, inner sleeve 3200 and secondary gushing arm connector sleeve 2200 and main jet arm connector sleeve One of them in 1200 combines together, so that inner sleeve 3200 constitutes a part of one of them；Or outer sleeve 3100 combine together with another in secondary gushing arm connector sleeve 2200 and main jet arm connector sleeve 1200, so that outer sleeve 3100 constitute a part of another.

In some embodiments of the utility model, inner sleeve 3200 and secondary gushing arm connector sleeve 2200 and main jet arm connector sleeve One of them in 1200 combines together, so that inner sleeve 3200 constitutes a part of one of them；And outer sleeve 3100 combine together with another in secondary gushing arm connector sleeve 2200 and main jet arm connector sleeve 1200, so that outer sleeve 3100 constitute a part of another.

It should be noted that wherein one in inner sleeve 3200 and secondary gushing arm connector sleeve 2200 and main jet arm connector sleeve 1200 It is a to combine together, it can be inner sleeve 3200 and combine together with secondary gushing arm connector sleeve 2200, that is to say, that inner sleeve 3200 A part of secondary gushing arm connector sleeve 2200 is constituted, i.e., main jet arm connector sleeve 1200 is set in the outer of secondary gushing arm connector sleeve 2200 at this time Side, ball assembly 3000 do not include this part of inner sleeve 3200, the inside of ball 3400 directly with secondary gushing arm connector sleeve 2200 It is in rolling contact.It is also possible to inner sleeve 3200 to combine together with main jet arm connector sleeve 1200, that is to say, that inner sleeve 3200 A part of main jet arm connector sleeve 1200 is constituted, i.e., secondary gushing arm connector sleeve 2200 is set in the outer of main jet arm connector sleeve 1200 at this time Side, ball assembly 3000 do not include this part of inner sleeve 3200, the inside of ball 3400 directly with main jet arm connector sleeve 1200 It is in rolling contact.

Similarly, outer sleeve 3100 is merged with another in secondary gushing arm connector sleeve 2200 and main jet arm connector sleeve 1200 It is integrated, can be outer sleeve 3100 and combine together with main jet arm connector sleeve 1200, that is to say, that outer sleeve 3100 constitutes master A part of gushing arm connector sleeve 1200, i.e., main jet arm connector sleeve 1200 is set in the outside of secondary gushing arm connector sleeve 2200 at this time, rolling Pearl component 3000 does not include this part of outer sleeve 3100, and the outside of ball 3400 directly connects with the rolling of main jet arm connector sleeve 1200 Touching.It is also possible to outer sleeve 3100 to combine together with secondary gushing arm connector sleeve 2200, that is to say, that outer sleeve 3100 constitutes pair A part of gushing arm connector sleeve 2200, i.e., secondary gushing arm connector sleeve 2200 is set in the outside of main jet arm connector sleeve 1200, rolling at this time Pearl component 3000 does not include this part of outer sleeve 3100, and the outside of ball 3400 directly connects with the rolling of secondary gushing arm connector sleeve 2200 Touching.

Illustrate ball assembly so that main jet arm connector sleeve 1200 is set in the outside of secondary gushing arm connector sleeve 2200 as an example below 3000 structure.

For example, ball assembly 3000 may include: outer sleeve 3100, inner sleeve in Fig. 1, Fig. 5-embodiment shown in fig. 6 Cylinder 3200, intermediate sleeve 3300 and ball 3400, outer sleeve 3100, inner sleeve 3200 and intermediate sleeve 3300 can be The inside of outer sleeve 3100 is arranged in annulus part, inner sleeve 3200, and intermediate sleeve 3300 is arranged in outer sleeve 3100 and inner sleeve Between 3200, i.e., be followed successively by the direction from outside to inside of ball assembly 3000 outer sleeve 3100, intermediate sleeve 3300 and Inner sleeve 3200, main jet arm connector sleeve 1200 are set in the periphery of secondary gushing arm connector sleeve 2200, and outer sleeve 3100 can be with main jet arm Connector sleeve 1200 is fixedly connected, and inner sleeve 3200 can be fixedly connected with secondary gushing arm connector sleeve 2200, and ball 3400 is arranged in centre In sleeve 3300, and ball 3400 can rotate in intermediate sleeve 3300 relative to outer sleeve 3100 and inner sleeve 3200, from And guarantee that inner sleeve 3200 can be rotated relative to outer sleeve 3100, and then can guarantee that secondary gushing arm 2000 can be relative to main jet Arm 1000 is rotated.

Ball 3400 intermediate sleeve 3300 radially protrude intermediate sleeve 3300 inner peripheral surface and outer peripheral surface, that is, It says, the diameter of ball 3400 is greater than the wall thickness of intermediate sleeve 3300, and ball 3400 has and only part is arranged in intermediate sleeve In 3300, in a particular embodiment, the inner peripheral surface part of the prominent intermediate sleeve 3300 of ball 3400 can be outer with inner sleeve 3200 Surface scrolls contact, the outer peripheral surface part of the prominent intermediate sleeve 3300 of ball 3400 can be rolled with the inner surface of outer sleeve 3100 to be connect Touching, and since inner sleeve 3200 is fixedly connected with secondary gushing arm connector sleeve 2200, and outer sleeve 3100 and main jet arm connector sleeve 1200 It is fixedly connected, therefore, is indirectly connected between main jet arm 1000 and secondary gushing arm 2000 by the realization of ball assembly 3000, main jet arm 1000, the structure that secondary gushing arm 2000 is connect with 3000 three of ball assembly is simple, stablizes.

When secondary gushing arm 2000 is rotated relative to main jet arm 1000, ball 3400 is rolled, to make inner sleeve 3200 Relatively rotate with outer sleeve 3100, and because main jet arm 1000 be fixedly connected with outer sleeve 3100, secondary gushing arm 2000 with it is interior Sleeve 3200 is fixedly connected, and is achieved in the relative rotation of secondary gushing arm 2000 and main jet arm 1000.

Specifically, as shown in Fig. 2, Fig. 6, multiple ball holes 3310 are provided on intermediate sleeve 3300, ball 3400 can turn It is mounted in ball hole 3310 dynamicly, ball hole 3310 provides support for the fixation of ball 3400, guarantees multiple balls 3400 Relative position it is constant, prevent from colliding between multiple balls 3400, squeeze, it is possible thereby to improve the work of ball assembly 3000 Make stability.Optionally, the quantity of ball 3400 is identical as the quantity of ball hole 3310.

In a particular embodiment, the quantity of ball 3400 is multiple, and multiple balls 3400 can be along intermediate sleeve 3300 It is circumferentially uniformly distributed, it is possible thereby to improve stationarity when main jet arm 1000 and the secondary rotation of gushing arm 2000.Preferably, ball 3400 Quantity be even number, it is possible thereby to guarantee 3000 stress equalization of ball assembly, alleviate stress concentration phenomenon.

Optionally, the diameter of ball 3400 is 3mm-8mm, and the quantity of ball 3400 is 4-12.

By be arranged ball assembly 3000, ensure that secondary gushing arm 2000 relative to main jet arm 1000 rotate when frictional force compared with It is small, be conducive to improve ride comfort when main jet arm 1000 and the secondary rotation of gushing arm 2000, to advantageously reduce the noise of dish-washing machine.

The effect of intermediate sleeve 3300 mainly has at 3 points: (1) by intermediate sleeve 3300 open up ball hole 3310, and Ball 3400 is mounted in ball hole 3310, the position of ball 3400 can be fixed, limit, prevents ball 3400 from accumulating；(2) Play the role of that swill is isolated, prevent the small residue of food from entering ball grooves, and causes to rub；(3) invigoration effect is played, again Secondary gushing arm 2000 can be isolated to shake, prevent gushing arm 10000 from shaking seriously.

Further, it with reference to shown in Fig. 1, Fig. 6, is provided on the inner peripheral surface of outer sleeve 3100 and is suitable for cooperating with ball 3400 Outer sleeve ball grooves 3130, the inner sleeve ball grooves for being suitable for cooperating with ball 3400 are provided on the outer peripheral surface of inner sleeve 3200 3210, outer sleeve ball grooves 3130, inner sleeve ball grooves 3210 are circumferential annular groove, it is possible thereby to guarantee secondary 2000 phase of gushing arm The smoothness of circle rotation whole for main jet arm 1000, meanwhile, ball assembly 3000 is an independent modular member, installing and dismounting It is convenient, decrease the processing technology cost of secondary gushing arm 2000 or main jet arm 1000.Ball 3400 and outer sleeve ball grooves 3130, To be in rolling contact between inner sleeve ball grooves 3210, friction is small.In a particular embodiment, outer sleeve ball grooves 3130, interior The diameter of sleeve ball grooves 3210 can be equal with the diameter of ball 3400, or can also be slightly larger than the diameter of ball 3400, Thus ball 3400 and outer sleeve ball grooves 3130,3210 no-float of inner sleeve ball grooves be can guarantee.

As shown in connection with fig. 6, in the central axial direction of main jet arm connector sleeve 1200, outer sleeve ball grooves 3130, inner sleeve Cylinder ball grooves 3210, the position of ball hole 3310 are corresponding, and ball 3400 is partially disposed in ball hole 3310.Ball 3400 Outside contacted with outer sleeve ball grooves 3130, the inside of ball 3400 is contacted with inner sleeve ball grooves 3210, to complete outer Sleeve 3100 is indirectly connected with inner sleeve 3200, also, outer sleeve ball grooves 3130, inner sleeve ball grooves 3210, ball hole 3310 position is corresponding, when can prevent secondary gushing arm 2000 from rotating relative to main jet arm 1000, rail that ball 3400 is slided Mark is different from the track of outer sleeve ball grooves 3130 and inner sleeve ball grooves 3210, to be squeezed, leads to secondary gushing arm 2000 can not rotate.

Specifically, outer sleeve 3100 may include: outer sleeve peripheral wall 3110 and outer sleeve roof 3120, outer sleeve roof 3120 are arranged in one end of the separate main jet arm 1000 of outer sleeve peripheral wall 3110, as shown in fig. 6, the setting of outer sleeve roof 3120 exists The upper end of outer sleeve peripheral wall 3110, and the extending radially inwardly along outer sleeve peripheral wall 3110 of outer sleeve roof 3120, i.e. outer sleeve The half of 3100 cross section is in inverted "L" shape, and the internal diameter of outer sleeve roof 3120 is big slightly larger than the outer diameter of inner sleeve 3200 It is small, so that outer sleeve 3100 and inner sleeve 3200 are contactless, in turn when guaranteeing that outer sleeve 3100 and inner sleeve 3200 relatively rotate Guarantee main jet arm 1000 and secondary gushing arm 2000 can normal rotation, and outer sleeve roof 3120 is located at the top of ball 3400, can Think that ball 3400 is blocked, prevents the residue in dish-washing machine from entering in ball assembly 3000 and hindering ball assembly 3000 Normal work, and can prevent ball 3400 from skidding off from ball assembly 3000, outer sleeve ball grooves 3130 are arranged outside On the inner peripheral surface of sleeve peripheral wall 3110, guarantee that ball 3400 can be rolled along outer sleeve ball grooves 3130, to guarantee ball assembly The high reliablity of 3000 work.

Specifically, ball hole 3310 is arranged in the top of intermediate sleeve 3300, and ball hole 3310 is major arc hole, and ball hole Ball is formed at 3310 top notch and picks and places mouth, and ball 3400 picks and places mouth through ball and enters ball hole 3310 or from ball hole 3310 come out, and thereby facilitate installation and removal of the ball 3400 in ball hole 3310.Major arc hole is that central angle is greater than 180 ° And the hole less than 360 ° prevents after being installed it is possible thereby to make being predominantly located in ball hole 3310 of each ball 3400, Ball 3400 falls off out of ball hole 3310.When installing ball 3400, ball pick-and-place mouth can be strutted by external force, then Ball 3400 is picked and placed mouth through ball to be mounted in ball hole 3310, then removes external force, the flexible deformation of ball hole 3310 with Disappearance, ball hole 3310 restore to the original state, ball hole 3310 tightly wraps up ball 3400 at this time, so that ball 3400 is in ball hole Being more firmly mounted, reliably in 3310.

Further, it is provided with reduction slot 3320 between two adjacent ball holes 3310, slot 3320 is weakened by setting, The rigidity between two adjacent ball holes 3310 can be made smaller, thus when installing ball 3400, ball hole 3310 is easy to become Shape, to reduce the installation or removal difficulty of ball 3400.

It is provided with reduction slot column 3330 in reduction slot 3320, optionally, weakens the central axis of slot column 3330 in Between sleeve 3300 centerline axis parallel, be thus conducive to simplify intermediate sleeve 3300 processing technology.Slot is weakened by setting Column 3330 can play certain invigoration effect, so that the rigidity of reduction 3320 undue weakening intermediate sleeve 3300 of slot is prevented, And then be conducive to improve the functional reliability of ball assembly 3000.

Certainly, in some unshowned embodiments, the centre of intermediate sleeve 3300 can also be arranged in ball hole 3310 Position, at this point, ball hole 3310 is the circular hole through 3300 wall thickness of intermediate sleeve.

Optionally, ball 3400 is Plastic ball 3400 or stainless steel ball 3400, because of the working environment of gushing arm 10000 It is filled with water, gushing arm 10000 is chronically at hygrothermal environment, and it easily leads to ball 3400 and gets rusty clamping stagnation, Plastic ball 3400 or stainless The anti-corrosion capability of steel ball 3400 is stronger, can effectively slow down or even ball 3400 is avoided to get rusty.

Specifically, outer sleeve 3100 is mounted on the inside of main jet arm connector sleeve 1200, and main jet arm connector sleeve 1200 is interior Diameter is equal with the outer diameter of outer sleeve 3100, it is preferable that matches between main jet arm connector sleeve 1200 and outer sleeve 3100 for interference It closes, to guarantee that outer sleeve 3100 can be clamped securely in main jet arm connector sleeve 1200, and then can guarantee ball assembly 3000 connect reliably with main jet arm 1000.Similarly, inner sleeve 3200 is nested on secondary gushing arm connector sleeve 2200, and secondary gushing arm connects The outer diameter of female connector 2200 is equal with the internal diameter of inner sleeve 3200, it is preferable that secondary gushing arm connector sleeve 2200 and inner sleeve 3200 Between for interference fit, to guarantee that inner sleeve 3200 can be clamped securely on secondary gushing arm connector sleeve 2200, and then can protect Card ball assembly 3000 with pair gushing arm 2000 connect reliably, therefore, by ball assembly 3000 respectively with main jet arm 1000 and Secondary gushing arm 2000 connects, it is ensured that connection is reliable between main jet arm 1000 and secondary gushing arm 2000, to ensure that main jet arm 1000 is high with 2000 functional reliability of secondary gushing arm.

The ball assembly 3000 of embodiment based on Fig. 6, the utility model can have various deformation mode, these deformations Mode is both fallen in the protection scope of the utility model.Below with reference to Fig. 6 to the ball assembly according to the utility model embodiment 3000 multiple variation examples are summarized.

For example, ball assembly 3000 can only include: ball 3400, i.e., in wherein first unshowned embodiment For embodiment compared to above-mentioned Fig. 6, reduces outer sleeve 3100, intermediate sleeve 3300 and inner sleeve 3200, utilize ball 3400 directly cooperate with main jet arm connector sleeve 1200 and secondary gushing arm connector sleeve 2200, and main jet arm connector sleeve 1200 equally may be implemented It is connected with the rolling of secondary gushing arm connector sleeve 2200.It is suitable for and ball at this point, being provided on the inner peripheral surface of main jet arm connector sleeve 1200 The main jet arm ball grooves of 3400 cooperations, the pair for being suitable for cooperating with ball 3400 is provided on the outer peripheral surface of secondary gushing arm connector sleeve 2200 Gushing arm ball grooves.

For example, in wherein second unshowned embodiment, ball assembly 3000 can only include: ball 3400 and interior Sleeve 3200 reduces intermediate sleeve 3300 and outer sleeve 3100, utilizes ball that is, for the embodiment compared to above-mentioned Fig. 6 3400 directly cooperate with inner sleeve 3200 and main jet arm connector sleeve 1200, and main jet arm connector sleeve 1200 and secondary spray equally may be implemented The rolling of arm connector sleeve 2200 is connected.It is suitable for matching with ball 3400 at this point, being provided on the inner peripheral surface of main jet arm connector sleeve 1200 The main jet arm ball grooves of conjunction.

For example, in wherein third unshowned embodiment, ball assembly 3000 can only include: ball 3400 and outer Sleeve 3100 reduces intermediate sleeve 3300 and inner sleeve 3200, utilizes ball that is, for the embodiment compared to above-mentioned Fig. 6 3400 directly cooperate with secondary gushing arm connector sleeve 2200 and outer sleeve 3100, and main jet arm connector sleeve 1200 and secondary spray equally may be implemented The rolling of arm connector sleeve 2200 is connected.It is suitable for matching with ball 3400 at this point, being provided on the outer peripheral surface of secondary gushing arm connector sleeve 2200 The secondary gushing arm ball grooves of conjunction.

For example, in wherein the 4th unshowned embodiment, ball assembly 3000 can only include: ball 3400, interior Sleeve 3200 and outer sleeve 3100 reduce intermediate sleeve 3300, utilize ball that is, for the embodiment compared to above-mentioned Fig. 6 3400 directly cooperate with inner sleeve 3200 and outer sleeve 3100, and main jet arm connector sleeve 1200 equally may be implemented and connect with secondary gushing arm The rolling of set 2200 is connected.Outer sleeve 3100 can be interference fitted with main jet arm connector sleeve 1200 at this time, and inner sleeve 3200 can be with pair Gushing arm connector sleeve 2200 is interference fitted.

For example, ball assembly 3000 can only include: ball 3400 in wherein the 5th unshowned embodiment Between sleeve 3300, i.e., compared to above-mentioned Fig. 6 embodiment for, reduce inner sleeve 3200 and outer sleeve 3100, utilize ball 3400 directly cooperate with main jet arm connector sleeve 1200 and secondary gushing arm connector sleeve 2200, and main jet arm connector sleeve 1200 equally may be implemented It is connected with the rolling of secondary gushing arm connector sleeve 2200.It is suitable for and ball at this point, being provided on the inner peripheral surface of main jet arm connector sleeve 1200 The main jet arm ball grooves of 3400 cooperations, the pair for being suitable for cooperating with ball 3400 is provided on the outer peripheral surface of secondary gushing arm connector sleeve 2200 Gushing arm ball grooves.

For example, in wherein the 6th unshowned embodiment, ball assembly 3000 can only include: ball 3400, interior Sleeve 3200 and intermediate sleeve 3300 reduce outer sleeve 3100, utilize ball that is, for the embodiment compared to above-mentioned Fig. 6 3400 directly cooperate with inner sleeve 3200 and main jet arm connector sleeve 1200, and main jet arm connector sleeve 1200 and secondary spray equally may be implemented The rolling of arm connector sleeve 2200 is connected.It is suitable for matching with ball 3400 at this point, being provided on the inner peripheral surface of main jet arm connector sleeve 1200 The main jet arm ball grooves of conjunction.

For example, in wherein the 7th unshowned embodiment, ball assembly 3000 can only include: ball 3400, outer Sleeve 3100 and intermediate sleeve 3300 reduce inner sleeve 3200, utilize ball that is, for the embodiment compared to above-mentioned Fig. 6 3400 directly cooperate with secondary gushing arm connector sleeve 2200 and outer sleeve 3100, and main jet arm connector sleeve 1200 and secondary spray equally may be implemented The rolling of arm connector sleeve 2200 is connected.It is suitable for matching with ball 3400 at this point, being provided on the outer peripheral surface of secondary gushing arm connector sleeve 2200 The secondary gushing arm ball grooves of conjunction.

Certainly, secondary gushing arm connector sleeve 2200 can also be set in the outside of main jet arm connector sleeve 1200, at this point, ball assembly 3000 inside is contacted with main jet arm connector sleeve 1200, and the outside of ball assembly 3000 is contacted with secondary gushing arm connector sleeve 2200, right It is similar to above-mentioned seven kinds of embodiments in secondary gushing arm connector sleeve 2200 is set in main jet arm 1200 inside of connector sleeve the case where, here not It repeats again.

In some embodiments, the height of ball assembly 3000 is 5mm-25mm, on the one hand, ball assembly 3000 should have Certain altitude guarantees that its load capacity meets the requires of the utility model (such as 50N), therefore the height of ball assembly 3000 is most Low is 5mm, on the other hand, when main jet arm 1000 and larger secondary 2000 spacing of gushing arm, gushing arm 10000 can and dish washer interior part it is dry Useful load is related to and can reduce, therefore the height of ball assembly 3000 is up to 25mm, it is possible thereby to reduce main jet arm connector sleeve 1200 and secondary gushing arm connector sleeve 2200 height dimension, also reduce the distance between main jet arm 1000 and secondary gushing arm 2000, To reduce the overall height dimension of gushing arm 10000.Optionally, the height of ball assembly 3000 can be 10mm, 15mm, 20mm, 22mm etc..

Further, secondary gushing arm 2000 may include: the first gushing arm 2300 and the second gushing arm 2400, and secondary cavity 2101 can be with It include: the first chamber 2301 in the first gushing arm 2300 and the second chamber 2401 in the second gushing arm 2400, that is to say, that In the embodiment that Fig. 1, Fig. 3-Fig. 5 are shown, the quantity of secondary gushing arm 2000 is two, respectively the first gushing arm 2300 and the second spray The top of main jet arm 1000 is arranged in arm 2400, the first gushing arm 2300 and the second gushing arm 2400, specifically, the first gushing arm 2300 The upper left side of main jet arm 1000 can be located at, the second gushing arm 2400 can be located at the upper right side of main jet arm 1000, similarly, first Gushing arm 2300 can also be located at the upper right side of main jet arm 1000, and the second gushing arm 2400 can also be located at the upper left of main jet arm 1000 Side is located at the upper left side of main jet arm 1000 for convenience with the first gushing arm 2300 below, and the second gushing arm 2400 is located at master Illustrate the structure of the first gushing arm 2300 and the second gushing arm 2400 for the upper right side of gushing arm 1000.

It is equipped with first chamber 2301 in first gushing arm 2300, second chamber 2401 is equipped in the second gushing arm 2400, to protect A certain amount of water can be retained by demonstrate,proving in the first gushing arm 2300 and the second gushing arm 2400, and then guarantee the first gushing arm 2300 and the second spray Arm 2400 can work normally.

It should be noted that term " first ", " second " are used for description purposes only, it is not understood to indicate or imply phase To importance or implicitly indicate the quantity of indicated technical characteristic.Define " first " as a result, the feature of " second " can be with Explicitly or implicitly include one or more of the features.The meaning of " plurality " is extremely in the description of the present invention, It is two few, such as two, three etc., unless otherwise specifically defined.

As shown in Figure 1, main jet arm 1000 may include: main jet arm body 1100 and the first connector sleeve of main jet arm 1210, master The second connector sleeve of gushing arm 1220, the first connector sleeve of main jet arm 1210, the second connector sleeve of main jet arm 1220 are arranged in main jet arm body 1100 the same side, i.e. the first connector sleeve of main jet arm 1210, the second connector sleeve of main jet arm 1220 are arranged at main jet arm body 1100 top.

In a particular embodiment, the first connector sleeve of main jet arm 1210 is suitable for connecting with the first gushing arm connector sleeve 2310, main jet The second connector sleeve of arm 1220 is suitable for connecting with the second gushing arm connector sleeve 2410, to guarantee the first gushing arm 2300 and the second gushing arm 2400 can connect with main jet arm 1000, main jet arm body 1100 and the first connector sleeve of main jet arm 1210, the second connector sleeve of main jet arm There is the main chamber 1001 of connection, to ensure that the water in main chamber 1001 can be by the first connector sleeve of main jet arm in 1220 1210, the second connector sleeve of main jet arm 1220 smoothly enters in first chamber 2301 and second chamber 2401, and then guarantees First gushing arm 2300 can be worked normally with the second gushing arm 2400.

Refering to what is shown in Fig. 5, the first gushing arm 2300 may include: the first gushing arm ontology 2320 and the first gushing arm connector sleeve 2310, the side towards main jet arm 1000 of the first gushing arm ontology 2320, i.e., the first spray is arranged in the first gushing arm connector sleeve 2310 Arm connector sleeve 2310 is located at the lower section of the first gushing arm ontology 2320, in the first gushing arm ontology 2320 and the first gushing arm connector sleeve 2310 First chamber 2301 with connection, in a particular embodiment, the first gushing arm connector sleeve 2310 can be with 1000 left sides of main jet arm The first connector sleeve of main jet arm 1210 connects, to guarantee that the first gushing arm 2300 is connect with main jet arm 1000, and first chamber 2301 are connected to main chamber 1001, to guarantee that the water in main chamber 1001 can smoothly enter in first chamber 2301.

Ball assembly is provided at first gushing arm connector sleeve 2310 and the connection cooperation of the first connector sleeve of main jet arm 1210 3000, thus when guaranteeing that the first gushing arm 2300 is rotated relative to main jet arm 1000, between the first gushing arm 2300 and main jet arm 1000 Pivoting friction be rolling friction, it is possible to reduce hydrodynamic force loss guarantees that 2300 job stability of the first gushing arm is high.

As shown in figure 5, the second gushing arm 2400 may include: the second gushing arm ontology 2420 and the second gushing arm connector sleeve 2410, Two sides towards main jet arm 1000 of the second gushing arm ontology 2420, i.e. the second gushing arm connection is arranged in second gushing arm connector sleeve 2410 Set 2410 is located at the lower section of the second gushing arm ontology 2420, has in the second gushing arm ontology 2420 and the second gushing arm connector sleeve 2410 and connects Logical second chamber 2401, in a particular embodiment, the second gushing arm connector sleeve 2410 can be with the main jet arms on 1000 right side of main jet arm Second connector sleeve 1220 connection, to guarantee that the second gushing arm 2400 is connect with main jet arm 1000, and second chamber 2401 and master Chamber 1001 is connected to, to guarantee that the water in main chamber 1001 can smoothly enter in second chamber 2401.

Ball assembly is provided at second gushing arm connector sleeve 2410 and the connection cooperation of the second connector sleeve of main jet arm 1220 3000, thus when guaranteeing that the second gushing arm 2400 is rotated relative to main jet arm 1000, between the second gushing arm 2400 and main jet arm 1000 Pivoting friction be rolling friction, it is possible to reduce hydrodynamic force loss guarantees that 2400 job stability of the second gushing arm is high.

Preferably, the first connector sleeve of main jet arm 1210, the second connector sleeve of main jet arm 1220 are about main jet arm lower joint sleeve 1300 is symmetrical, thus guarantee that the first gushing arm 2300 and the second gushing arm 2400 are symmetrical about main jet arm lower joint sleeve 1300, Ke Yibao It demonstrate,proves the first gushing arm 2300 and pressure of second gushing arm 2400 to main jet arm 1000 is right on the axis of main jet arm lower joint sleeve 1300 Claim, to guarantee stability when gushing arm 10000 works, and symmetrical design is not only beautiful, but also in Assembly And Disassembly Point when the first gushing arm 2300 and the second gushing arm 2400 without left and right, is convenient for Assembly And Disassembly.

As shown in Fig. 1, Fig. 3, Fig. 5, it is provided on the first gushing arm 2300 for driving the first gushing arm 2300 around first direction First drive hole 2321 of rotation, the first drive hole 2321 are connected to first chamber 2301, guarantee the water in first chamber 2301 Column can be sprayed from the first drive hole 2321.When water column inside the first gushing arm 2300 is sprayed from the first drive hole 2321, the One gushing arm 2300 will receive the reaction force (i.e. reverse actuating force) when water column is sprayed from the first drive hole 2321, at this point, first Gushing arm 2300 can rotate under the action of reaction force around first direction, the opening direction of first direction and the first drive hole 2321 On the contrary.As water column is constantly sprayed from the first drive hole 2321, the first gushing arm 2300 is sustainably rotated, from first The water column that drive hole 2321 sprays can be spilt around with the rotation of the first gushing arm 2300, be sprayed from 2300 hole for water spraying of the first gushing arm Water flow also enter the working region of dish-washing machine, and then the spot of tableware or dish-washing machine inner wall in dish-washing machine is washed in the two cooperation Only.

The second drive hole for driving upper gushing arm 10000 to rotate around second direction is provided on second gushing arm 2400 2421, the second drive hole 2421 is connected to second chamber 2401, guarantees that the water column in second chamber 2401 can be from the second drive hole It is sprayed in 2421.When water column is sprayed from the second drive hole 2421, the second gushing arm 2400 will receive water column from the second drive hole Reaction force when 2421 ejection, at this point, the second gushing arm 2400 can rotate under the action of reaction force around second direction, second Direction is opposite with the opening direction of the second drive hole 2421.As water source is constantly sprayed from the second drive hole 2421, second Gushing arm 2400 is sustainably rotated, and when the rotation of the second gushing arm 2400, the water that will be sprayed from the second drive hole 2421 Column is spilt around, and the water flow sprayed from 2400 hole for water spraying of the second gushing arm also enters the working region of dish-washing machine, thus the second gushing arm 2400 and first gushing arm 2300 jointly cooperation the spot of tableware or dish-washing machine inner wall in dish-washing machine is cleaned.

In the same end of the first gushing arm ontology 2320 and the second gushing arm ontology 2420, the first drive hole 2321 and the second driving The direction in hole 2421 is on the contrary, to guarantee that the rotation direction of the first gushing arm 2300 and the second gushing arm 2400 is opposite, that is to say, that the With second direction on the contrary, for example the first gushing arm 2300 can rotate counterclockwise, the second gushing arm 2400 can turn along clockwise in one direction Dynamic, certainly in some embodiment not showns, the first gushing arm 2300 can also be along rotating clockwise, and the second gushing arm 2400 can edge It rotates counterclockwise, at this point, from the first drive hole 2321 of the first gushing arm 2300 and the second drive hole of the second gushing arm 2400 2421 water columns sprayed spray in opposite direction, when the water column sprayed from the first drive hole 2321 and the second drive hole 2421 simultaneously When falling on tableware or dish-washing machine inner wall, the direction of cleaning after putting forth effort by the water column sprayed onto tableware or dish-washing machine inner wall It is inconsistent, to make the water column sprayed from the first drive hole 2321 and the second drive hole 2421 on tableware or dish-washing machine inner wall Kneading force is generated, and then enhances the clean effect of gushing arm 10000, it is ensured that tableware or dish-washing machine inner wall washing are clean.This Outside, the first gushing arm 2300 and the second gushing arm 2400 rotate backward, can also make from 2300 hole for water spraying of the first gushing arm spray water and from The water that second gushing arm, 2400 hole for water spraying sprays generates kneading force on tableware, to further promote the clean effect of gushing arm 10000 Fruit.

The main driving for driving main jet arm 1000 to rotate around first direction or second direction is provided on main jet arm 1000 Hole 1101, that is to say, that by the direction for changing main drive hole 1101, thus it is possible to vary the rotation direction of main jet arm 1000 makes to lead Gushing arm 1000 is rotated in a first direction, or is rotated in a second direction, for convenience, below be rotated in a first direction for Example illustrates the course of work of main jet arm 1000.

When main jet arm 1000 is rotated in a first direction, in the same end of main jet arm 1000 and the first gushing arm 2300, main drive Dynamic hole 1101 and the first drive hole 2321 towards identical, the water column inside main jet arm 1000 is sprayed from main drive hole 1101 When, main jet arm 1000 will receive the reaction force (i.e. reverse actuating force) when water column is sprayed from main drive hole 1101, at this point, main jet Arm 1000 can rotate under the action of reaction force around first direction, the opening direction phase of first direction and main drive hole 1101 Instead.As water column is constantly sprayed from main drive hole 1101, main jet arm 1000 is sustainably rotated, from main drive hole 1101 spray water columns with the rotation of main jet arm 1000 can spill around, from 1000 hole for water spraying of main jet arm spray water flow also into Enter the working region of dish-washing machine, and then the spot of tableware or dish-washing machine inner wall in dish-washing machine is cleaned in the two cooperation, by setting Main jet arm 1000 is set, can be supplied water for pair gushing arm 2000, while main jet arm 1000 and secondary gushing arm 2000 are sprayed water jointly, it can be into one Reinforce the cleaning ability of gushing arm 10000 in step ground, it is ensured that the effect that gushing arm 10000 works is good.

Specifically, refering to what is shown in Fig. 3, the end of the first gushing arm ontology 2320 is arranged in the first drive hole 2321, second is driven The end of the second gushing arm ontology 2420 is arranged in dynamic hole 2421, and the end of main jet arm 1000 is arranged in main drive hole 1101, can be with Guarantee when water column is sprayed from the first drive hole 2321, the second drive hole 2421 and main drive hole 1101, the arm of force is longer, has Conducive to increase the first gushing arm 2300, the second gushing arm 2400, main jet arm 1000 rotating torque, thus guarantee the first gushing arm 2300, Second gushing arm 2400 and main jet arm 1000 have a biggish revolving speed, and from the first drive hole 2321, the second drive hole 2421 with And the water column of the main ejection of drive hole 1101 falls in dish-washing machine inner wall and the beating power of tableware is also bigger, and then is conducive to improve The cleaning effect of gushing arm 10000.

In some alternative embodiments, first direction and second direction can be identical, at this point, in the first gushing arm ontology 2320 and second gushing arm ontology 2420 the same end, the first drive hole 2321 and the second drive hole 2421 towards identical, first Gushing arm 2300 and the second gushing arm 2400 rotate in same direction, and can increase the amount of water sprayed of gushing arm 10000, are equally beneficial for promoting gushing arm 10000 clean effect.By the aperture for changing the first drive hole 2321 and the second drive hole 2421, thus it is possible to vary the first driving Hole 2321 to the driving force of the first gushing arm 2300 and the second drive hole 2421 to the driving force of the second gushing arm 2400, to change The velocity of rotation of first gushing arm 2300 and the second gushing arm 2400 realizes the first gushing arm 2300 and the second gushing arm 2400 synchronized in the same direction Rotation or friction speed rotate in same direction.

Optionally, the length of the first gushing arm ontology 2320 is 0.5-1 times of the length of main jet arm body 1100, the second gushing arm The length of ontology 2420 is 0.5-1 times of the length of main jet arm body 1100, that is to say, that the first gushing arm ontology 2320 and second The length of gushing arm ontology 2420 be respectively less than or equal to main jet arm body 1100 length, on the one hand, the first gushing arm 2300 and second The height such as gushing arm 2400 is arranged in the top of main jet arm 1000, and the first gushing arm 2300 and the second gushing arm 2400 with main jet arm 1000 connections, therefore, the first gushing arm ontology 2320 and the settable maximum length of the second gushing arm ontology 2420 are and main jet arm Ontology 1100 is equal, and on the other hand, the first gushing arm ontology 2320 is arranged shorter with the second gushing arm ontology 2420, it is possible thereby to subtract The weight of light first gushing arm 2300 and the second gushing arm 2400, to guarantee that the first gushing arm 2300 can be smooth with the second gushing arm 2400 Rotation, and the structure of entire gushing arm 10000 is more stable, is not susceptible to tumble.In addition, the first gushing arm ontology 2320 and second The length of gushing arm ontology 2420 is less than the length of main jet arm body 1100, may make in first chamber 2301 and second chamber 2401 Volume be less than main chamber 1001 volume, in wash phase, most of water flow is preferentially entered in main chamber 1001, main chamber Hydraulic pressure in 1001 is higher, it is ensured that the water column pressure sprayed from main jet arm 1000 is larger, and main jet arm 1000 can be successfully Rotation.By the way that the length of the first gushing arm ontology 2320 and the second gushing arm ontology 2420 to be arranged shorter, the first chamber can reduce The volume of room 2301 and second chamber 2401, to guarantee also there is sufficiently high water in first chamber 2301 and second chamber 2401 Pressure, and then can guarantee that the water column pressure sprayed from the first gushing arm 2300 and the second gushing arm 2400 is larger, the first spray is guaranteed with this Arm 2300 can be rotated successfully with the second gushing arm 2400.

In some unshowned embodiments, the height of the first gushing arm 2300 and the second gushing arm 2400 relative to main jet arm 1000 Spend it is unequal, such as the first gushing arm ontology 2320 can be located at the second gushing arm ontology 2420 top.

According to the washing electric appliance of the utility model another aspect embodiment, including above-mentioned gushing arm 10000.Washing electric appliance can To be dish-washing machine, it is also possible to the washing electric appliances with washing function such as fruit-vegetable cleaner, medical cleaning machine, effect and will sprays It is similar that arm 10000 is arranged in the effect in dish-washing machine, no longer repeats one by one here.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means particular features, structures, materials, or characteristics described in conjunction with this embodiment or example It is contained at least one embodiment or example of the utility model.In the present specification, schematic expression of the above terms Necessarily it is directed to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be It can be combined in any suitable manner in any one or more embodiment or examples.In addition, those skilled in the art can be by this Different embodiments or examples described in specification are engaged and are combined.

Although the embodiments of the present invention have been shown and described above, it is to be understood that above-described embodiment is Illustratively, it should not be understood as limiting the present invention, those skilled in the art are in the scope of the utility model Inside it can make changes, modifications, alterations, and variations to the above described embodiments.

Claims (18)

1. a kind of gushing arm characterized by comprising

Main jet arm；

Multiple pair gushing arms, each secondary gushing arm is connected with the main jet arm, and the secondary gushing arm can relative to the main jet arm Rotation；

Ball assembly is provided with the ball assembly at the connection cooperation of each secondary gushing arm and the main jet arm.

2. gushing arm according to claim 1, which is characterized in that the main jet arm includes: main jet arm body and multiple main jets Arm connector sleeve, multiple main jet arm connections are set on the same side of the main jet arm body, and each secondary gushing arm passes through One main jet arm connector sleeve realization is connected with the main jet arm.

3. gushing arm according to claim 2, which is characterized in that each secondary gushing arm includes: secondary gushing arm ontology and secondary spray Arm connector sleeve, the pair gushing arm connection are set on the side towards the main jet arm of the secondary gushing arm ontology, the secondary spray The ball assembly is provided at the connection cooperation of arm connector sleeve and the main jet arm connector sleeve.

4. gushing arm according to claim 3, which is characterized in that the ball assembly includes at least multiple balls, Duo Gesuo Ball is stated rollably to cooperate between the secondary gushing arm connector sleeve and the main jet arm connector sleeve.

5. gushing arm according to claim 4, which is characterized in that the ball assembly further include: bearing substrate, the ball Through bearing substrate cooperation between the secondary gushing arm connector sleeve and the main jet arm connector sleeve.

6. gushing arm according to claim 5, which is characterized in that the bearing substrate includes:

Inner sleeve, the inner sleeve are suitable for matching with one of them in the secondary gushing arm connector sleeve and the main jet arm connector sleeve It closes；

Intermediate sleeve, the intermediate sleeve are set in the outside of the inner sleeve, multiple balls are provided on the intermediate sleeve Hole, the ball are mounted in the ball hole, and the ball radially protrudes the intermediate sleeve in the intermediate sleeve The inner peripheral surface and outer peripheral surface of cylinder；

Outer sleeve, the outer sleeve are set in the outside of the intermediate sleeve, and the outer sleeve is suitable for connecting with the secondary gushing arm Another cooperation in set and the main jet arm connector sleeve.

7. gushing arm according to claim 5, which is characterized in that the bearing substrate includes:

Inner sleeve, the inner sleeve are suitable for matching with one of them in the secondary gushing arm connector sleeve and the main jet arm connector sleeve It closes；

Outer sleeve, the outer sleeve are suitable for matching with another in the secondary gushing arm connector sleeve and the main jet arm connector sleeve It closes.

8. gushing arm according to claim 6 or 7, which is characterized in that the inner sleeve and the secondary gushing arm connector sleeve and institute State in main jet arm connector sleeve it is described one of them combine together so that the inner sleeve constitute it is described one of them A part；Or

The outer sleeve in the secondary gushing arm connector sleeve and the main jet arm connector sleeve it is described another combine together, So that the outer sleeve constitutes another described a part.

9. gushing arm according to claim 6, which is characterized in that the inner sleeve and the secondary gushing arm connector sleeve and the master In gushing arm connector sleeve it is described one of them combine together so that the inner sleeve constitutes one of them one Point；With

The outer sleeve in the secondary gushing arm connector sleeve and the main jet arm connector sleeve it is described another combine together, So that the outer sleeve constitutes another described a part.

10. gushing arm according to claim 6 or 7, which is characterized in that be provided on the inner peripheral surface of the outer sleeve be suitable for The outer sleeve ball grooves of the ball engagement are provided with the inner sleeve being suitable for the ball engagement on the outer peripheral surface of the inner sleeve Cylinder ball grooves, the outer sleeve ball grooves, the inner sleeve ball grooves are circumferential annular groove.

11. gushing arm according to claim 10, which is characterized in that the outer sleeve includes: outer sleeve peripheral wall and outer sleeve One end far from the main jet arm of the outer sleeve peripheral wall, and the outer sleeve top is arranged in roof, the outer sleeve roof Wall is extended radially inwardly along the outer sleeve peripheral wall, and the inner peripheral surface of the outer sleeve peripheral wall is arranged in the outer sleeve ball grooves On.

12. gushing arm according to claim 6, which is characterized in that the top of the intermediate sleeve is arranged in the ball hole, The ball hole is to form ball at major arc hole and top notch to pick and place mouth.

13. gushing arm according to claim 12, which is characterized in that be provided with reduction between two adjacent ball holes Slot, and reduction slot column is provided in the reduction slot.

14. gushing arm according to claim 3, which is characterized in that the pair gushing arm includes: the first gushing arm and the second gushing arm, The first drive hole for driving first gushing arm to rotate around first direction, second spray are provided on first gushing arm It is provided with the second drive hole for driving second gushing arm to rotate around second direction on arm, the first direction and described the Two directions are identical or on the contrary, are provided on the main jet arm for driving the main jet arm around the first direction or described second The main drive hole of direction rotation.

15. gushing arm according to claim 14, which is characterized in that the length of first gushing arm is the main jet arm body 0.5-1 times of length, the length of second gushing arm is 0.5-1 times of the length of the main jet arm body.

16. the gushing arm according to any one of claim 4-7, which is characterized in that the ball is Plastic ball or stainless Steel ball.

17. gushing arm described in any one of -7 according to claim 1, which is characterized in that the height of the ball assembly is 5mm- 25mm。

18. a kind of washing electric appliance, which is characterized in that including gushing arm described according to claim 1 any one of -17.