CN208973745U - 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 the first gushing arm and the second gushing arm, first gushing arm has first connecting portion, second gushing arm is connected with the first gushing arm, and second gushing arm relative to the first gushing arm can be rotated, second gushing arm has second connecting portion, second connecting portion and first connecting portion nested encryptions, and the periphery of second connecting portion and first connecting portion forms water inlet space.According to the gushing arm of the utility model embodiment, pass through the first gushing arm of setting and the second gushing arm, 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, pass through setting first connecting portion and second connecting portion, guarantee that the first gushing arm is connect reliably with the second gushing arm, and water inlet space is formed at first connecting portion and second connecting portion, guarantee that the water in the first gushing arm can direct into the second gushing arm, thereby may be ensured that the functional reliability of gushing arm is high.

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

All most of washing electric appliance gushing arm is rotated to a direction at present, is terminated from starting to clean to cleaning, institute The track of cleaning is consistent, therefore is easy to produce dead angle, and by taking dish-washing machine as an example, the bowl basket of dish-washing machine and the position of gushing arm are set Meter is worked good, and the design of existing bowl basket is mostly the standard tableware design according to the domestic market of China, when consumer is certainly In own family in actual use, if the size of tableware, placement position, direction and standard tableware size and put difference, hold It easily leads to dish-washing machine not washing 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.

It include the first gushing arm and the second gushing arm according to the gushing arm of the utility model embodiment, first gushing arm has first Interconnecting piece, second gushing arm are connected with first gushing arm, and second gushing arm can be rotated relative to first gushing arm, Second gushing arm has second connecting portion, the second connecting portion and the first connecting portion nested encryptions, and described second The periphery of interconnecting piece and the first connecting portion forms water inlet space.

The number of gushing arm is increased by the first gushing arm of setting and the second gushing arm 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, passes through the first connection of setting Portion and second connecting portion, it is ensured that the first gushing arm is connect reliably with the second gushing arm, and first connecting portion and second connecting portion Place forms water inlet space, guarantees that the water in the first gushing arm can direct into the second gushing arm through water inlet space, thereby may be ensured that The functional reliability of gushing arm is high.

Some embodiments according to the present utility model, the first connecting portion are set in the periphery of the second connecting portion, First gushing arm includes: peripheral structure, and the periphery of the first connecting portion, and the periphery knot is arranged in the peripheral structure Structure is connected with the first connecting portion by dowel.

Further, the first connecting portion projects upwards the upper surface of the peripheral structure and protrudes further into described Inside second gushing arm.

Further, the peripheral grooves towards second gushing arm, second gushing arm are offered on the peripheral structure With the second gushing arm flange, the second gushing arm flange is suitable for being plugged in the peripheral grooves.

Optionally, the unilateral gap between the second gushing arm flange and the peripheral grooves is 0.1mm-0.3mm.

Further, first gushing arm includes: the first gushing arm ontology, and the peripheral structure is arranged in first gushing arm There is the first chamber being connected in the side towards second gushing arm of ontology, the first gushing arm ontology and the peripheral structure Room, second gushing arm include: the second gushing arm ontology, and the direction of the second gushing arm ontology is arranged in the second gushing arm flange There is in the side of first gushing arm, the second gushing arm ontology and the second gushing arm flange second chamber, described second Chamber is connected to the first chamber by the water inlet space.

Specifically, the free end of the second connecting portion is provided with multiple buckles, and the buckle is suitable for being stuck in described first One end far from second gushing arm of interconnecting piece.

Optionally, one end that the second connecting portion stretches out the first connecting portion has external screw thread, and nut is suitable for and institute State external thread bolt connection cooperation.

Outside some embodiments according to the present utility model, the inner peripheral surface of the first connecting portion and the second connecting portion Unilateral gap between circumferential surface is 0.1mm-0.5mm.

Further, first for driving that first gushing arm rotates around first direction is provided on first gushing arm Drive hole, first drive hole are connected to the first chamber, are provided on second gushing arm for driving described second The second driving that gushing arm is rotated around second direction, second drive hole is connected to the second chamber, the first direction and The second direction is identical or opposite.

Optionally, the length of the second gushing arm ontology is 0.5-2 times of the length of the first gushing arm ontology.

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 the main view cross-sectional view of gushing arm；

Fig. 3 is partial enlargement diagram at the A of Fig. 2；

Fig. 4 is the main view of the first gushing arm；

Fig. 5 is the bottom view of the first gushing arm；

Fig. 6 is the main view cross-sectional view of the second gushing arm；

Fig. 7 is the stereoscopic schematic diagram of the second gushing arm.

Appended drawing reference:

Gushing arm 1000, the first gushing arm 100, first chamber 101, the first drive hole 102, the first gushing arm ontology 110, first connect Socket part 120, peripheral structure 130, peripheral grooves 131, dowel 140, the first gushing arm connector sleeve 150, the second gushing arm 200, second Chamber 201, the second drive hole 202, the second gushing arm ontology 210, the second gushing arm flange 211, second connecting portion 220, buckle 230.

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 Mechanical connection is also possible to be electrically connected or can communicate with each other；It can be directly connected, the indirect phase of intermediary can also be passed through Even, the connection inside two elements or the interaction relationship of two elements be can be.For those of ordinary skill in the art For, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

Below with reference to Fig. 1-Fig. 7 detailed description according to the gushing arm 1000 of the utility model embodiment.Gushing arm 1000 can be used for It washs in electric appliance, illustrates the structure of gushing arm 1000 for gushing arm 1000 is applied to dish-washing machine below.

It include the first gushing arm 100 and the second gushing arm according to the gushing arm 1000 of the utility model embodiment shown in referring to Fig.1 200, the hole for water spraying for spraying water into dish-washing machine is provided on the first gushing arm 100 and the second gushing arm 200, when hole for water spraying sprays Water when falling on tableware, cleaning action can be played to tableware.By the first gushing arm 100 of setting and the second gushing arm 200, increase The quantity of gushing arm 1000 is conducive to enhance gushing arm 1000 to the cleaning effect of tableware to increase the amount of water sprayed of gushing arm 1000.

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.

When gushing arm 1000 to be mounted on to the bottom of dish-washing machine, the second gushing arm 200 is located at the top of the first gushing arm 100, when When gushing arm 1000 is mounted on the top of dish-washing machine, the second gushing arm 200 is located at the lower section of the first gushing arm 100, when by gushing arm 1000 When being mounted on the side wall of dish-washing machine, the second gushing arm 200 is located at the side towards dish washer interior cavity of the first gushing arm 100.For Description is convenient, illustrates the structure of gushing arm 1000 by taking gushing arm 1000 is mounted on the bottom of dish-washing machine as an example below, at this point, the One gushing arm 100 is lower spraying arm, and the second gushing arm 200 is upper gushing arm.

As Figure 1-Figure 5, the first gushing arm 100 has first connecting portion 120, and first connecting portion 120 can be with the second gushing arm 200 are attached, so that the first gushing arm 100 and the second gushing arm 200 are connected as one, by the way that first connecting portion 120 is arranged, are First gushing arm 100 connect with the second gushing arm 200 and provides possibility.Preferably, first connecting portion 120 is located at the first gushing arm 100 On central axis, be conducive to the stability for promoting gushing arm 1000.

As Figure 1-Figure 2, the second gushing arm 200 is connected with the first gushing arm 100, and the second gushing arm 200 is relative to first Gushing arm 100 can be rotated, to increase the spraying range of the first gushing arm 100 and the second gushing arm 200, ensure that gushing arm 1000 can be right The entirety of tableware is cleaned, and then ensure that the cleaning effect of gushing arm 1000 is preferable.

As shown in Fig. 1-Fig. 3, Fig. 6-Fig. 7, the second gushing arm 200 has second connecting portion 220, and second connecting portion 220 is located at On the central axis of second gushing arm 200, and second connecting portion 220 can be connected with the first connecting portion 120 of the first gushing arm 100 It connects.In a particular embodiment, nested encryptions up and down are carried out by second connecting portion 220 and first connecting portion 120, it can be by first Gushing arm 100 is connected as one with the second gushing arm 200, and the periphery of second connecting portion 220 and first connecting portion 120 forms water inlet sky Between, that is to say, that after second connecting portion 220 is connect with first connecting portion 120, the first gushing arm 100 and the second gushing arm 200 Inside connection, guarantee the first gushing arm 100 in water can through intake space enter in the second gushing arm 200, so as to protect The water at card water source can be smoothly injecting into the second gushing arm 200.

Increased according to the gushing arm 1000 of the utility model embodiment by the first gushing arm 100 of setting and the second gushing arm 200 The quantity of gushing arm 1000, to increase the amount of water sprayed of gushing arm 1000, being conducive to, which enhances gushing arm 1000, imitates the cleaning of tableware Fruit passes through setting first connecting portion 120 and second connecting portion 220, it is ensured that the first gushing arm 100 is connect with the second gushing arm 200 Reliably, and at first connecting portion 120 and second connecting portion 220 water inlet space is formed, guarantees that water in the first gushing arm 100 can be with It is directed into the second gushing arm 200 through water inlet space, thereby may be ensured that the functional reliability of gushing arm 1000 is high.

With reference to shown in Fig. 2-Fig. 3, first connecting portion 120 is set in the periphery of second connecting portion 220, that is to say, that when After one gushing arm 100 is connect with the second gushing arm 200, first connecting portion 120 is located at the periphery of second connecting portion 220, i.e., and second Interconnecting piece 220 is wrapped in first connecting portion 120, thereby increases first connecting portion 120 and second connecting portion 220 in height Size for connection on direction thereby may be ensured that first connecting portion 120 is connect reliably with second connecting portion 220, and then improve The reliability that first gushing arm 100 is connect with the second gushing arm 200.

Specifically, as shown in Figure 1, Figure 3, the first gushing arm 100 may include: peripheral structure 130, and peripheral structure 130 is arranged In the periphery of first connecting portion 120, and peripheral structure 130 can be with part-structure (the second spray cited below of the second gushing arm 200 Arm flange 211) it is attached.In a particular embodiment, after the completion of first connecting portion 120 and second connecting portion 220 cooperate, periphery Structure 130 is located at the periphery of first connecting portion 120, and has certain neutral gear between peripheral structure 130 and first connecting portion 120, To forming above-mentioned water inlet space, and the bottom part of the second gushing arm 200 can be attached with peripheral structure 130, will be into Hydrospace is sealed, to guarantee that the junction between the first gushing arm 100 and the second gushing arm 200 is seamless, to guarantee to spray The leakproofness of arm 1000 is preferable, functional reliability is higher, and peripheral structure 130 passes through 140 phase of dowel with first connecting portion 120 Even, the inside of dowel 140 is connected with the outer peripheral surface of first connecting portion 120, outside and the peripheral structure 130 of dowel 140 Inner peripheral surface is connected, it is possible thereby to improve the bonding strength of peripheral structure 130 Yu first connecting portion 120, and is conducive to promotion the The rigidity of one interconnecting piece 120, in this way when first connecting portion 120 to be connect with second connecting portion 220, first connecting portion 120 is not It is easily-deformable, it is possible thereby to the connection reliability of the first gushing arm 100 and the second gushing arm 200 be improved, to guarantee the longevity of gushing arm 1000 Life is longer, is hardly damaged.

Preferably, dowel 140 can have multiple, it is possible thereby to significantly improve peripheral structure 130 and first connecting portion 120 Bonding strength, thus further promoted first connecting portion 120 rigidity.Multiple dowels 140 are around first connecting portion 120 Axis is evenly arranged, and thereby may be ensured that the connection stress distribution between first connecting portion 120 and peripheral structure 130 is uniform.? In the specific example of Fig. 1, Fig. 5, the quantity of dowel 140 is four, and four dowels 140 are evenly arranged with 90 ° of interval Between the outer peripheral surface of first connecting portion 120 and the inner peripheral surface of peripheral structure 130.

Further, with reference to shown in Fig. 2-Fig. 3, first connecting portion 120 projects upwards the upper surface of peripheral structure 130, and First connecting portion 120 is extend into further up inside the second gushing arm 200, is conducive to improve first connecting portion 120 and the second company The stability that socket part 220 engages, while the spacing of the first gushing arm 100 and the second gushing arm 200 is effectively reduced, make the whole of gushing arm 1000 Body structure is more compact, space layout requirement is advantageously reduced, so as to improve the saturation of dish-washing machine.

Further, with reference to shown in Fig. 1, Fig. 3, Fig. 5, the periphery towards the second gushing arm 200 is offered on peripheral structure 130 Groove 131, peripheral grooves 131 can be attached with the part-structure of the second gushing arm 200, thus by the first gushing arm 100 and second The junction of gushing arm 200 is sealed.It in other words, is the first gushing arm 100 and the second gushing arm 200 by the way that peripheral grooves 131 are arranged Between sealing provide possibility, it is preferable that the centre that peripheral grooves 131 are located at peripheral structure 130 is external, so as to as far as possible Ground reduction opens up weakening of the peripheral grooves 131 to 130 intensity of peripheral structure, guarantees that the intensity of peripheral structure 130 is enough, thus into One step improves the bonding strength of the first gushing arm 100 and the second gushing arm 200.

As shown in Fig. 2-Fig. 3, Fig. 6-Fig. 7, the second gushing arm 200 has the second gushing arm flange 211, the second gushing arm flange 211 Positioned at the lower section of the second gushing arm 200, and the periphery of second connecting portion 220, and the second gushing arm is arranged in the second gushing arm flange 211 Flange 211 is suitable for being plugged in peripheral grooves 131, increases the contact surface of the first gushing arm 100 and the second gushing arm 200 with this Product.In a particular embodiment, when the first gushing arm 100 and the second gushing arm 200 are attached, first connecting portion 120 is connect with second It can be cooperatively connected simultaneously between portion 220 and peripheral grooves 131 and the second gushing arm flange 211, be conducive to further mention The reliability that high first gushing arm 100 is connect with the second gushing arm 200, and peripheral grooves 131 and the second gushing arm flange 211 cooperation Periphery of the position at first connecting portion 120 and 220 cooperation of second connecting portion, it is ensured that the second gushing arm 200 is relative to first Stability when gushing arm 100 rotates is preferable, in addition, will be by cooperation between peripheral grooves 131 and the second gushing arm flange 211 Hydrospace is sealed, to guarantee the good airproof performance of gushing arm 1000, it is ensured that 1000 functional reliability of gushing arm is high.

In conjunction with shown in Fig. 1-Fig. 3, first connecting portion 120 is hollow cylindrical structure, and second connecting portion 220 can be hollow circle Rod structure is also possible to solid cylinder structure, to guarantee that it is opposite that whole circle can occur with second connecting portion 220 for first connecting portion 120 Rotation.Similarly, peripheral structure 130, the second gushing arm flange 211 are hollow cylindrical structure, and peripheral grooves 131 are whole circle annulus Shape slot also ensures that the to guarantee that the second gushing arm flange 211 peripherally the circumferencial direction of groove 131 can carry out whole circle and rotate Whole circle can occur with the first gushing arm 100 and relatively rotate for two gushing arms 200.

For solid cylinder structure, when second connecting portion 220 is hollow cylindrical structure, the first spray can be mitigated The weight of arm 100 is conducive to the light-weight design of gushing arm 1000.

Optionally, as shown in Fig. 2, the unilateral gap between the second gushing arm flange 211 and peripheral grooves 131 is 0.1mm- 0.3mm, that is to say, that the unilateral gap between the inner peripheral surface of the second gushing arm flange 211 and the inner ring surface of peripheral grooves 131 is 0.1mm-0.3mm, the unilateral gap between the outer peripheral surface of the second gushing arm flange 211 and the outer ring surface of peripheral grooves 131 are 0.1mm-0.3mm, it is contactless between the circumferential surface of the second gushing arm flange 211 and the anchor ring of peripheral grooves 131, when the second gushing arm 200 Relative to the first gushing arm 100 rotation when, between the second gushing arm flange 211 and peripheral grooves 131 without friction or friction is small, So as to reduce the hydrodynamic force consumption when rotation of the second gushing arm 200, it is more to guarantee that the water column for being ejected into tableware surface has Power is conducive to the clean ability for improving gushing arm 1000.In addition, 200 phase of the second gushing arm can also be improved after reducing frictional force Stationarity and smoothness when for the rotation of the first gushing arm 100.Above-mentioned unilateral gap is limited to 0.1mm-0.3mm, it can be to prevent Only lead to problems such as leak serious since gap is excessive, to guarantee good close between the second gushing arm 200 and the first gushing arm 100 Envelope, and when the second 200 run-off the straight during rotation of gushing arm, the second gushing arm flange 211 can rapidly with peripheral grooves 131 Contact, makes 200 return of the second gushing arm, and the second gushing arm 200 is avoided to teetertotter and interfere with dish washer interior components.

Further, with reference to shown in Fig. 1-Fig. 2, Fig. 4-Fig. 5, the first gushing arm 100 may include: the first gushing arm ontology 110, The side of the second gushing arm 200 of direction of the first gushing arm ontology 110 is arranged in peripheral structure 130, i.e. the setting of peripheral structure 130 is the The top of one gushing arm ontology 110.There is the first chamber 101 being connected in first gushing arm ontology 110 and peripheral structure 130, i.e., the One gushing arm ontology 110 and peripheral structure 130 can be hollow, and the first gushing arm ontology 110 and 130 junction two of peripheral structure Person communicates, so that first chamber 101 is formed, by the way that first chamber 101 is arranged, it is ensured that have in the first gushing arm 100 certain The water of amount to ensure that the first gushing arm 100 can spray water column to tableware, and then can guarantee 100 reliable operation of the first gushing arm.

As shown in Fig. 1-Fig. 2, Fig. 4-Fig. 5, the first gushing arm 100 can also include the first gushing arm connector sleeve 150, the first gushing arm The downside of the first gushing arm ontology 110 is arranged in connector sleeve 150, specifically, the top of the first gushing arm connector sleeve 150 and the first gushing arm The bottom of ontology 110 is fixedly connected, and the bottom of the first gushing arm connector sleeve 150 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 first chamber 101 through the first gushing arm connector sleeve 150, in other words, the first gushing arm connector sleeve 150 Interior cavity is a part of first chamber 101, i.e., the first gushing arm connector sleeve 150 is similarly hollow, it is ensured that water source Water can smoothly enter into first chamber 101.

As shown in Fig. 1-Fig. 2, Fig. 6-Fig. 7, the second gushing arm 200 may include: the second gushing arm ontology 210, and the second gushing arm turns over The side of the first gushing arm 100 of direction of the second gushing arm ontology 210 is arranged in side 211, i.e. the second gushing arm flange 211 is located at the second spray The lower section of arm body 210.There is second chamber 201, i.e. the second gushing arm in second gushing arm ontology 210 and the second gushing arm flange 211 Ontology 210 and the second gushing arm flange 211 can be hollow, and 211 junction of the second gushing arm ontology 210 and the second gushing arm flange The two communicates, so that second chamber 201 is formed, by the way that second chamber 201 is arranged, it is ensured that have one in the second gushing arm 200 Quantitative water to ensure that the second gushing arm 200 can spray water column to tableware, and then can guarantee that the work of the second gushing arm 200 can It leans on.

As shown in Fig. 2, second chamber 201 is connected to first chamber 101 by the space that intakes, first chamber is thereby guaranteed that Water in 101 can be flowed into second chamber 201, it is ensured that the first gushing arm 100 and the second gushing arm 200 can normally spray water.

Manufacture when, the first gushing arm ontology 110, the first gushing arm connector sleeve 150 and peripheral structure 130 can integrally at Type, the second gushing arm ontology 210 and the second gushing arm flange 211 can also be integrally formed, it is possible thereby to simplify manufacturing procedure, saved and added Work working hour.Certainly, in some unshowned embodiments, the first gushing arm ontology 110, the first gushing arm connector sleeve 150 and periphery knot Structure 130, which can be, to be detachably connected, and the second gushing arm ontology 210 and the second gushing arm flange 211 may be a detachable connection.

Specifically, with reference to shown in 3, Fig. 6-Fig. 7, the free end of second connecting portion 220 is provided with multiple buckles 230, and Buckle 230 extends along the direction of separate second connecting portion 220, and buckle 230 is suitable for being stuck in spraying far from second for first connecting portion 120 One end of arm 200, the i.e. bottom of second connecting portion 220 are equipped with buckle 230, and buckle 230 extends downwardly, and buckle 230 is suitable for being stuck in The bottom end of first connecting portion 120.In a particular embodiment, when first connecting portion 120 and the mating connection of second connecting portion 220 finish Afterwards, the bottom of 230 downwardly projecting first connecting portions 120 is buckled, and buckles 230 and may be stuck in 120 bottom of first connecting portion, with this The position to axial for limiting second connecting portion 220 and first connecting portion 120 also limits the second gushing arm 200 and the first spray The position to axial of arm 100 effectively prevent the second gushing arm 200 and the first gushing arm 100 to be detached from.It, can be with by setting buckle 230 Guarantee that the second gushing arm 200 is connect reliably with the first gushing arm 100, buckle 230 and the fit system of first connecting portion 120 operate letter List is convenient to mount and dismount, and is conducive to the assembly and disassembly time for saving the second gushing arm 200 and the first gushing arm 100, improves assembly and disassembly efficiency.

Preferably, buckle 230 is settable multiple, and multiple buckles 230 can be around the periphery of second connecting portion 220 equably Arrangement, so that clamping stress distribution is uniform, and snap effect is preferable when guaranteeing that multiple buckles 230 cooperate with first connecting portion 120, Second connecting portion 220 and the connection of first connecting portion 120 are reliable, and then guarantee what the first gushing arm 100 was connect with the second gushing arm 200 High reliablity.

In some unshowned embodiments, one end that second connecting portion 220 stretches out first connecting portion 120 has outer spiral shell When line, i.e. second connecting portion 220 and first connecting portion 120 cooperate, the lower end of second connecting portion 220 can downwardly projecting first connection The bottom in portion 120, and the bottom of second connecting portion 220 is provided with external screw thread, nut is suitable for cooperating with external thread bolt connection, In specific embodiment, after first connecting portion 120 and second connecting portion 220 cooperate in place, the nut that is adapted to external screw thread is from first The bottom of gushing arm connector sleeve 150 enters the first gushing arm ontology 110 and then is cooperated with external screw thread, and nut is connected second The lower end in portion 220 is stuck in the bottom of first connecting portion 120, that is to say, that the lower end of second connecting portion 220 is limited in the first company The assembly of second connecting portion 220 and first connecting portion 120 is completed in the bottom of socket part 120, and nut and externally threaded connection type can To guarantee that first connecting portion 120 and second connecting portion 220 cooperate reliably, to guarantee that the first gushing arm 100 and the second gushing arm 200 connect The high reliablity connect.

Some embodiments according to the present utility model, the inner peripheral surface of first connecting portion 120 and the periphery of second connecting portion 220 Unilateral gap between face is 0.1mm-0.5mm, that is to say, that first connecting portion 120 is hollow cylindrical structure, with smooth Inner peripheral surface, second connecting portion 220 is hollow cylindrical structure or solid cylinder structure, with smooth outer peripheral surface, and first Gap between the inner peripheral surface of interconnecting piece 120 and the outer peripheral surface of second connecting portion 220 is uniform, the internal diameter of first connecting portion 120 with The outer diameter difference of second connecting portion 220 is 0.2mm-1mm, when the second gushing arm 200 and the relative rotation of the first gushing arm 100, Without friction between the inner peripheral surface of first connecting portion 120 and the outer peripheral surface of second connecting portion 220,230 and first connecting portion are only buckled There is friction between 120 lower end, so as to avoid consuming hydrodynamic force too much, while being conducive to improve the second gushing arm 200 Stability of rotation.

Further, it with reference to shown in Fig. 1, Fig. 4, is provided on the first gushing arm 100 for driving the first gushing arm 100 around first First drive hole 102 of direction rotation, the first drive hole 102 are connected to first chamber 101, guarantee the water in first chamber 101 Column can be sprayed from the first drive hole 102.When water column inside the first gushing arm 100 is sprayed from the first drive hole 102, the first spray Arm 100 will receive the reaction force (i.e. reverse actuating force) when water column is sprayed from the first drive hole 102, at this point, the first gushing arm 100 It can be rotated under the action of reaction force around first direction, first direction is opposite with the opening direction of the first drive hole 102.With Water column is constantly sprayed from the first drive hole 102, and the first gushing arm 100 is sustainably rotated, and is sprayed from the first drive hole 102 Water column out also enters as the rotation of the first gushing arm 100 can spill the water flow around, sprayed from 100 hole for water spraying of the first gushing arm to be washed The working region of bowl machine, and then the spot of tableware or dish-washing machine inner wall in dish-washing machine is cleaned in the two cooperation.

As shown in Figure 1, Figure 7 shows, it is provided on the second gushing arm 200 for driving the second gushing arm 200 to rotate around second direction Second drive hole 202, and the second drive hole 202 is connected to second chamber 201 guarantees that water column in second chamber 201 can be from the It is sprayed in two drive holes 202.When water source is sprayed from the second drive hole 202, the second gushing arm 200 will receive water column from the second driving Reaction force when hole 202 sprays, at this point, the second gushing arm 200 can rotate under the action of reaction force around second direction, second Direction is opposite with the opening direction of the second drive hole 202.As water column is constantly sprayed from the second drive hole 202, the second spray Arm 200 is sustainably rotated, and when the second gushing arm 200 rotation when, by the water column sprayed from the second drive hole 202 spill to Surrounding, the water flow sprayed from 200 hole for water spraying of the second gushing arm also enter the working region of dish-washing machine, thus the second gushing arm 200 and the The spot of tableware or dish-washing machine inner wall in dish-washing machine is cleaned in cooperation to one gushing arm 100 jointly.

The water column direction and position that first gushing arm 100 and the second gushing arm 200 are ejected on tableware be it is multidirectional, reduce dead Angle is easier to clean, and since the coverage rate of water flow is larger, scavenging period also can be reduced accordingly, that is, is conducive to shorten scavenging period.

Specifically, as Figure 1 and Figure 4, the end of the first gushing arm ontology 110 is arranged in the first drive hole 102, as Fig. 1, Shown in Fig. 7, the end of the second gushing arm ontology 210 is arranged in the second drive hole 202, it is ensured that when water column is from the first drive hole 102 and second when spraying in drive hole 202, and the arm of force is longer, is conducive to increase the first gushing arm 100 and the second gushing arm 200 Rotating torque, thus guarantee the first gushing arm 100 and the second gushing arm 200 with biggish revolving speed, and from the first drive hole 102 and The water column that second drive hole 202 sprays 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 1000.

In the same end of the first gushing arm ontology 110 and the second gushing arm ontology 210, the first drive hole 102 and the second drive hole 202 direction is on the contrary, to guarantee that the first gushing arm 100 is opposite with the rotation direction of the second gushing arm 200, that is to say, that first party To opposite with second direction.Specifically, in Fig. 2, the first gushing arm 100 can be rotated counterclockwise, and the second gushing arm 200 can be along up time Needle rotation, in some embodiment not showns, the first gushing arm 100 can also be along rotating clockwise, and the second gushing arm 200 can be along inverse Hour hands rotation, at this point, being sprayed from the first drive hole 102 of the first gushing arm 100 and the second drive hole 202 of the second gushing arm 200 Water column spray in opposite direction, when the water column sprayed from the first drive hole 102 and the second drive hole 202 fall in simultaneously tableware or When on dish-washing machine inner wall, the direction cleaned after putting forth effort by the water column sprayed onto tableware or dish-washing machine inner wall is inconsistent, from And the water column sprayed from the first drive hole 102 and the second drive hole 202 is made to generate kneading force on tableware or dish-washing machine inner wall, And then enhance the clean effect of gushing arm 1000, it is ensured that tableware or dish-washing machine inner wall washing are clean.In addition, the first gushing arm 100 and second gushing arm 200 rotate backward, can also make from 100 hole for water spraying of the first gushing arm spray water and from the second gushing arm 200 spray water The water that hole sprays generates kneading force on tableware, to further promote the clean effect of gushing arm 1000.

In some alternative embodiments, first direction and second direction can be identical, at this point, in the first gushing arm ontology 110 and second gushing arm ontology 210 the same end, the first drive hole 102 and the second drive hole 202 towards identical, the first gushing arm 100 and second gushing arm 200 rotate in same direction, the amount of water sprayed of gushing arm 1000 can be increased, be equally beneficial for promoting gushing arm 1000 and wash Net effect.By the aperture for changing the first drive hole 102 and the second drive hole 202, thus it is possible to vary the first drive hole 102 is to first The driving force of gushing arm 100 and the second drive hole 202 are to the driving force of the second gushing arm 200, to change the first gushing arm 100 and the The velocity of rotation of two gushing arms 200 is realized the first gushing arm 100 and the second gushing arm 200 and is rotate in same direction or friction speed turns in the same direction at the same speed It is dynamic.

Optionally, the length of the second gushing arm ontology 210 is 0.5-2 times of the length of the first gushing arm ontology 110, that is, It says, the length of the first gushing arm ontology 110 can be greater than or equal to the length of the second gushing arm ontology 210, might be less that the second spray The length of arm body 210.

In some embodiments, the length of the second gushing arm ontology 210 is 0.5-1 times of the length of the first gushing arm ontology 110 (length that the length of the first gushing arm ontology 110 is greater than or equal to the second gushing arm ontology 210), the length of the second gushing arm ontology 210 It is shorter, it is possible thereby to mitigate the weight of the second gushing arm 200, to guarantee that the second gushing arm 200 can be with smooth rotation, and entirely spray The structure of arm 1000 is more stable, is not susceptible to tumble.In addition, the length of the second gushing arm ontology 210 is less than the first gushing arm ontology 110 length may make the volume in second chamber 201 to be less than the volume of first chamber 101, in wash phase, most of water Stream preferentially enters in first chamber 101, and the hydraulic pressure in first chamber 101 is higher, it is ensured that the water sprayed from the first gushing arm 100 Column pressure is larger, and the first gushing arm 100 can be rotated successfully.It, can by the way that the length of the second gushing arm ontology 210 to be arranged shorter To reduce the volume of second chamber 201, to guarantee also there is sufficiently high hydraulic pressure in second chamber 201, and then can guarantee from The water column pressure that second gushing arm 200 sprays is larger, guarantees that the second gushing arm 200 can be rotated successfully with this.

In further embodiments, the length of the second gushing arm ontology 210 is 1 times -2 of the length of the first gushing arm ontology 110 (length that the length of the first gushing arm ontology 110 is less than or equal to the second gushing arm ontology 210) again, when the second gushing arm ontology 210 When length is greater than the length of the first gushing arm ontology 110, the torque arm length of the second gushing arm ontology 210 can be increased, to only need Lesser driving force can drive the second gushing arm ontology 210 to rotate.In addition, the second gushing arm ontology 210 is longer, washing area is got over Greatly.

Preferably, the length of the second gushing arm ontology 210 can be equal to the length of the first gushing arm ontology 110, at this point it is possible to protect Demonstrate,proving has biggish hydraulic pressure in first chamber 101 and second chamber 201, guarantee that the first gushing arm 100 can be smooth with the second gushing arm 200 Ground rotation, and the length of the first gushing arm ontology 110 and the second gushing arm ontology 210 is that dish washer interior can accommodate longest dimension, Clean ability is improved to be conducive to gushing arm 1000.

It should be noted that the length ratio of most short gushing arm and longest gushing arm not preferably less than 0.5, because when gushing arm is too short, Bigger driving force will be needed, therefore drive hole aperture is bigger or drive hole is more, and for hole for water spraying, from drive It is less that dynamic hole is ejected into the water on tableware, is unfavorable for cleaning, so gushing arm ontology is unsuitable too short, therefore will most short gushing arm with most It is relatively reasonable that long gushing arm minimum ratio is set as 0.5.

According to the washing electric appliance of the utility model another aspect embodiment, the gushing arm 1000 including above-described embodiment.Washing Electric appliance can be dish-washing machine, be also possible to the washing electric appliances with washing function such as fruit-vegetable cleaner, medical cleaning machine, effect It is similar with gushing arm 1000 is arranged in the effect in dish-washing machine, it 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 (12)

1. a kind of gushing arm characterized by comprising

First gushing arm, first gushing arm have first connecting portion；

Second gushing arm, second gushing arm are connected with first gushing arm, and second gushing arm is relative to first gushing arm It can be rotated, second gushing arm has second connecting portion, the second connecting portion and the first connecting portion nested encryptions, and institute The periphery for stating second connecting portion and the first connecting portion forms water inlet space.

2. gushing arm according to claim 1, which is characterized in that the first connecting portion is set in the second connecting portion Periphery, first gushing arm includes: peripheral structure, and the periphery of the first connecting portion is arranged in the peripheral structure, and described Peripheral structure is connected with the first connecting portion by dowel.

3. gushing arm according to claim 2, which is characterized in that the first connecting portion projects upwards the peripheral structure It upper surface and protrudes further into inside second gushing arm.

4. gushing arm according to claim 2, which is characterized in that offered on the peripheral structure towards second gushing arm Peripheral grooves, second gushing arm has the second gushing arm flange, and the second gushing arm flange is suitable for that be plugged on the periphery recessed In slot.

5. gushing arm according to claim 4, which is characterized in that between the second gushing arm flange and the peripheral grooves Unilateral gap is 0.1mm-0.3mm.

6. gushing arm according to claim 4, which is characterized in that first gushing arm includes: the first gushing arm ontology, described outer Closed structure is arranged in the side towards second gushing arm of the first gushing arm ontology, the first gushing arm ontology and described outer There is the first chamber of connection in closed structure；

Second gushing arm includes: the second gushing arm ontology, and the court of the second gushing arm ontology is arranged in the second gushing arm flange To the side of first gushing arm, there is second chamber in the second gushing arm ontology and the second gushing arm flange, described the Two chambers are connected to the first chamber by the water inlet space.

7. gushing arm according to claim 2, which is characterized in that the free end of the second connecting portion is provided with multiple cards Button, the buckle are suitable for being stuck in one end far from second gushing arm of the first connecting portion.

8. gushing arm according to claim 2, which is characterized in that the second connecting portion stretches out the one of the first connecting portion End has external screw thread, and nut is suitable for cooperating with the external thread bolt connection.

9. gushing arm according to claim 1 to 8, which is characterized in that the inner peripheral surface of the first connecting portion and institute Stating the unilateral gap between the outer peripheral surface of second connecting portion is 0.1mm-0.5mm.

10. gushing arm according to claim 6, which is characterized in that be provided on first gushing arm for driving described The first drive hole that one gushing arm is rotated around first direction, first drive hole are connected to the first chamber, second spray Be provided with the second drive hole for driving second gushing arm to rotate around second direction on arm, second drive hole with it is described Second chamber connection, the first direction are identical or opposite as the second direction.

11. gushing arm according to claim 6, which is characterized in that the length of the second gushing arm ontology is first spray 0.5-2 times of the length of arm body.

12. a kind of washing electric appliance, which is characterized in that including gushing arm described according to claim 1 any one of -11.