CN208973739U - Gushing arm component and washing electric appliance with it - Google Patents

Abstract

The utility model discloses a kind of gushing arm component and with its washing electric appliance.The gushing arm component includes: gushing arm, and the gushing arm has gushing arm external screw thread；Gushing arm seat, gushing arm are connected with gushing arm seat, and the gushing arm can be rotated relative to the gushing arm seat；Ball assembly, the ball assembly is arranged at the connection cooperation of the gushing arm and the gushing arm seat, and the ball assembly includes: bearing substrate and ball, the ball is rotatably arranged on the bearing substrate, and the ball internal screw thread with gushing arm external screw thread cooperation is provided on the bearing substrate.Gushing arm component according to the present utility model, it is connected between gushing arm and gushing arm seat by ball assembly, it is possible thereby to reduce the frictional force between gushing arm and gushing arm seat, to be conducive to reduce hydrodynamic force loss, furthermore, the height dimension of gushing arm component can also be reduced, to leave more spaces for putting for part to be cleaned, improve the capacity of washing electric appliance.

Description

Gushing arm component 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 component and washing with it Wash electric appliance.

Background technique

For existing gushing arm component, the major way that gushing arm is connect with gushing arm seat is to be matched by clamping flange with buckle Connection is closed, but the gap that this connection type will lead between gushing arm and gushing arm seat is larger, when gushing arm work, in gushing arm Water is easy to influence cleaning effect by the gap leakage.In addition, when gushing arm and gushing arm seat generate relative motion, therebetween Friction mode be sliding friction, therefore lose hydrodynamic force it is bigger.On the other hand, it snaps connection mode and directly results in gushing arm Seat and gushing arm upper-lower height size it is larger, waste in this way washing electric appliance liner space, reduce washing electric appliance inside to The placing space of cleaning part.

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 arm components, can reduce the frictional force between gushing arm and gushing arm seat.

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

It include: gushing arm according to the gushing arm component of the utility model embodiment, the gushing arm has gushing arm external screw thread；Gushing arm Seat, gushing arm are connected with gushing arm seat, and the gushing arm can be rotated relative to the gushing arm seat；Ball assembly, the ball assembly are set It sets at the connection cooperation of the gushing arm and the gushing arm seat, and the ball assembly includes: bearing substrate and ball, the rolling Pearl is rotatably arranged on the bearing substrate, and the ball with gushing arm external screw thread cooperation is provided on the bearing substrate Internal screw thread.

According to the gushing arm component of the utility model embodiment, it is connected between gushing arm and gushing arm seat by ball assembly, thus It can reduce the frictional force between gushing arm and gushing arm seat, to be conducive to reduce hydrodynamic force loss, further, it is also possible to reduce gushing arm The height dimension of component improves the capacity of washing electric appliance to leave more spaces for putting for part to be cleaned.

Some embodiments according to the present utility model, the gushing arm include: gushing arm ontology and gushing arm connector sleeve, the gushing arm Connection is set on the downside of the gushing arm ontology, and the gushing arm connector sleeve is interior with the gushing arm chamber being connected to the gushing arm ontology Room, the interior gushing arm seat chamber having with the gushing arm chamber of the gushing arm seat, the gushing arm external screw thread are arranged in the spray The outer peripheral surface of arm connector sleeve.

Further, the bearing substrate includes: outer sleeve, and the outer sleeve is set in the outer of the gushing arm connector sleeve Portion, the ball internal screw thread are arranged on the inner peripheral surface of the outer sleeve.

Further, the bearing substrate further include: intermediate sleeve, the intermediate sleeve are arranged in the outer sleeve and institute It states between inner sleeve, multiple ball holes is provided on the intermediate sleeve, the ball is mounted in the ball hole, and described The inner peripheral surface and outer peripheral surface that radially protrude the intermediate sleeve of the ball in the intermediate sleeve.

The bearing substrate further include: inner sleeve, the inner sleeve are suitable for connecting with the gushing arm seat, the inner sleeve The inner sleeve ball grooves being suitable for the ball engagement are provided on outer peripheral surface.

Further, the outer sleeve ball grooves being suitable for the ball engagement are provided on the inner peripheral surface of the outer sleeve, The top of the outer sleeve ball grooves is arranged in the ball internal screw thread.

It optionally, is to be detachably connected between the gushing arm seat and the inner sleeve.

Some embodiments according to the present utility model are provided with inner sleeve external screw thread, institute on the outer peripheral surface of the inner sleeve It states to be provided on the inner peripheral surface of gushing arm seat and is suitable for the gushing arm seat internal screw thread that cooperates with the inner sleeve external screw thread, outside the inner sleeve The lower section of the inner sleeve ball grooves is arranged in screw thread.

Some embodiments according to the present utility model, the gushing arm seat are at least partially situated on the inside of the inner sleeve, and The top of the gushing arm seat is buckled with gushing arm seat, and the gushing arm seat buckle is suitable for being stuck in the upper surface of the inner sleeve.

Specifically, the top of the gushing arm seat has multiple grooves, the opening direction of the groove and the gushing arm seat Axis direction is parallel, and gushing arm seat buckle is upwardly extended from the bottom wall of the groove, and the two sides of gushing arm seat buckle with The two side walls of the groove separate, and the top of the gushing arm seat buckle is provided with the hook towards the inner sleeve.

Specifically, the bottom of the intermediate sleeve is arranged in the ball hole, and the ball hole is major arc hole and bottom 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.

Specifically, the outer sleeve includes: outer sleeve peripheral wall and outer sleeve bottom wall, and the outer sleeve bottom wall is arranged described One end far from the gushing arm of outer sleeve peripheral wall, and the outer sleeve bottom wall radially-inwardly prolonging along the outer sleeve peripheral wall It stretches, the top of the outer sleeve bottom wall is arranged in the ball.

Specifically, the gushing arm connector sleeve includes: connector sleeve peripheral wall and extending radially inwardly along the connector sleeve peripheral wall Connector sleeve bottom wall, the connector sleeve bottom wall be arranged in the connector sleeve peripheral wall far from the gushing arm ontology one end, it is described The lower section of the connector sleeve bottom wall is arranged in inner sleeve and the intermediate sleeve.

Further, the internal diameter of the connector sleeve bottom wall is equal with the internal diameter of the inner sleeve.

Optionally, the gushing arm seat tool has gushing arm seat inlet opening, the internal diameter and the inner sleeve of gushing arm seat inlet opening Internal diameter it is equal.

Optionally, the gap between the upper surface of the inner sleeve and the lower surface of the connector sleeve bottom wall is L1, and L1 is full Sufficient relational expression: 0mm < L1≤0.5mm.

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

Detailed description of the invention

Fig. 1 is the schematic diagram of gushing arm component；

Fig. 2 is the half-section diagram of gushing arm component；

Fig. 3 is partial enlarged view at A in Fig. 3；

Fig. 4 is the decomposition diagram of gushing arm component；

Fig. 5 is the half-section diagram of ball assembly；

Fig. 6 is the decomposition half-section diagram of ball assembly at B in Fig. 4；

Fig. 7 is the half-section diagram of intermediate sleeve.

Appended drawing reference:

Gushing arm component 1000, gushing arm 100, gushing arm chamber 101, gushing arm ontology 110, gushing arm connector sleeve 120, gushing arm external screw thread 121, connector sleeve peripheral wall 122, connector sleeve bottom wall 123, gushing arm seat 200, gushing arm seat chamber 201, gushing arm seat flange 210, gushing arm seat Internal screw thread 220, ball assembly 300, bearing substrate 310, outer sleeve 311, ball internal screw thread 3111, outer sleeve ball grooves 3112, Outer sleeve peripheral wall 3113, outer sleeve bottom wall 3114, inner sleeve 312, inner sleeve ball grooves 3121, inner sleeve external screw thread 3122, in Between sleeve 313, ball hole 3131, reduction slot 3132, reduction slot column 3133, ball 320.

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 " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness Degree ", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", the instructions such as "outside" orientation or positional relationship be It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For limitations of the present invention.

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. 7 detailed description according to the gushing arm component 1000 of the utility model embodiment.Gushing arm component 1000 can be used for washing in electric appliance, illustrate gushing arm component 1000 for gushing arm component 1000 is applied to dish-washing machine below Structure.

Shown in referring to Fig.1, the gushing arm component 1000 according to the utility model embodiment may include: gushing arm 100, gushing arm seat 200 and ball assembly 300.

Referring to shown in Fig. 2-Fig. 4, gushing arm 100 has gushing arm external screw thread 121, mentions for gushing arm 100 and the connection of other component Possibility is supplied, gushing arm 100 is connected with gushing arm seat 200, and gushing arm 100 can be rotated relative to gushing arm seat 200, and gushing arm seat 200 is located at The lower section of gushing arm 100 provides connecting interface by the way that gushing arm seat 200 is arranged for gushing arm 100, meanwhile, gushing arm 100 and gushing arm seat After 200 are connected as one, gushing arm seat 200 can function as the inlet pipeline of gushing arm 100.In some embodiments, on gushing arm 100 It is provided with hole for water spraying and drive hole, after the hydraulic pressure in gushing arm 100 reaches certain value, gushing arm 100 begins through hole for water spraying and drive Dynamic hole (not shown) sprays water column, reaction force when gushing arm 100 is sprayed by water column and rotate, constantly with water column It is sprayed from hole for water spraying and drive hole, gushing arm 100 sustainably rotates, and the water column sprayed from hole for water spraying and drive hole is with gushing arm 100 rotation can spill to tableware surface or dish-washing machine inner wall, and then the spot of tableware or dish-washing machine inner wall is cleaned, to complete Cleaning of the dish-washing machine to tableware.The water column direction and position that gushing arm 100 is ejected on tableware be it is multidirectional, reduce dead angle It more easily cleans, since the coverage rate of water flow is larger, scavenging period also can be reduced accordingly, that is, be conducive to shorten scavenging period.

Referring to shown in Fig. 4-Fig. 6, ball assembly 300 is arranged at the connection cooperation of gushing arm 100 and gushing arm seat 200, and rolls Pearl component 300 may include: bearing substrate 310 and ball 320, and ball 320 is rotatably arranged on bearing substrate 310, holds Carry the ball internal screw thread 3111 for being provided on matrix 310 and cooperating with gushing arm external screw thread 121.

Specifically, bearing substrate 310 can be a part, it is also possible to the component comprising multiple parts.In this reality With in novel embodiment, bearing substrate 310 is made of more than one component, and a part of bearing substrate 310 and gushing arm 100 It is fixedly connected, another part of bearing substrate 310 is fixedly connected with gushing arm seat 200 again, it is possible thereby to realize gushing arm 100 and gushing arm Seat 200 is indirectly connected with.The centre of bearing substrate 310 is arranged in ball 320, and ball 320 can be in 310 transfer of bearing substrate It is dynamic, it can make to realize relative rotation by ball 320 between gushing arm 100 and gushing arm seat 200, so as to change gushing arm 100 and spray Friction type between arm seat 200 becomes rolling friction from sliding friction before, and then is conducive to reduce gushing arm 100 and spray Frictional force between arm seat 200.

Wherein, the ball internal screw thread cooperated with gushing arm external screw thread 121 is provided on the exterior part of bearing substrate 310 3111, as shown in Fig. 2-Fig. 3, Fig. 6, ball internal screw thread 3111 is arranged on the inner peripheral surface of 310 exterior part of bearing substrate, passes through Gushing arm external screw thread 121 and ball internal screw thread 3111 cooperate, and realization bearing substrate 310 is fixedly linked with gushing arm 100, bearing substrate 310 inner bodies are fixedly connected with gushing arm seat 200 again, and wherein the setting of ball 320 is in 310 inner body of bearing substrate and outside zero Between part, the inner body and exterior part of bearing substrate 310 can be relatively rotated, and thereby guarantee that gushing arm 100, gushing arm seat 200 It can relatively rotate, the structure that gushing arm 100, gushing arm seat 200 are connect with 300 three of ball assembly is simple, stablizes.

By the way that ball assembly 300 is arranged, when gushing arm 100 relatively rotates with gushing arm seat 200, gushing arm 100 and gushing arm Friction type between seat 200 is rolling friction, the sliding friction before being no longer, in this way, force of rolling friction is to 100 turns of gushing arm Resistance very little when dynamic, therefore the hydrodynamic force as caused by friction can be reduced and lost, improve hydrodynamic utilization rate.Meanwhile Fast speed when gushing arm 100 is rotated relative to gushing arm seat 200, so being conducive to improve gushing arm by setting ball assembly 300 Ride comfort when 100 rotation, to advantageously reduce the noise of dish-washing machine.

In addition, compared to original gushing arm 100 with gushing arm seat 200 separately through the form snapped connection, gushing arm 100 and gushing arm After connecting between seat 200 using ball assembly 300, the distance between gushing arm 100 and gushing arm seat 200 can reduce, to subtract The small height dimension of gushing arm component 1000, 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.

It is attached between gushing arm 100 and ball assembly 300 by screw thread, it is easy to disassemble and fixed reliable.

According to the gushing arm component 1000 of the utility model embodiment, the periphery of gushing arm 100 is arranged in gushing arm external screw thread 121 Face, the connection for gushing arm 100 and ball assembly 300 provide interface, pass through ball assembly between gushing arm 100 and gushing arm seat 200 300 are connected, it is possible thereby to reduce the frictional force between gushing arm 100 and gushing arm seat 200, thus be conducive to reduce hydrodynamic force loss, Hydrodynamic utilization rate is improved, guarantees that pressure when water is sprayed from gushing arm hole for water spraying is larger, is conducive to be promoted dish-washing machine to tableware Cleaning effect.Further, it is also possible to reduce the height dimension of gushing arm component 1000, to save dish washer interior space, it is Putting for tableware leaves more spaces, improves the tableware capacity of dish-washing machine.

With reference to shown in Fig. 2-Fig. 4, gushing arm 100 may include: gushing arm ontology 110 and gushing arm connector sleeve 120, gushing arm connector sleeve 120 are arranged in the downside of gushing arm ontology 110, by the way that gushing arm connector sleeve 120 is arranged, facilitates gushing arm 100 and gushing arm seat 200 connects It connects, ensure that gushing arm 100 can be reliably connected as one with gushing arm seat 200.

There is the gushing arm chamber 101 be connected in gushing arm connector sleeve 120 and gushing arm ontology 110, in gushing arm seat 200 with and spray The gushing arm seat chamber 201 that arm chamber 101 is connected to, it is possible thereby to guarantee that the water at dish-washing machine water source can be suitable through gushing arm seat chamber 201 Sharply enter gushing arm chamber 101 in, and then water through on gushing arm 100 hole for water spraying and drive hole be ejected into tableware surface, thus complete At the operation of cleaning tableware.Gushing arm chamber 101 is continued into dampening, the hydraulic pressure in gushing arm chamber 101 is higher and higher, this When from 100 drive hole of gushing arm spray water column caused by reaction force it is also bigger, gushing arm 100 rotate speed it is also faster, Meanwhile the power that the water column of ejection is patted on tableware is also bigger, is conducive to the spot cleaned on tableware, therefore pass through setting gushing arm Chamber 101, it is ensured that the washing effect of dish-washing machine is preferable.

With reference to shown in Fig. 5-Fig. 7, bearing substrate 310 includes three parts, and it is (i.e. said before to be respectively as follows: outer sleeve 311 310 exterior part of bearing substrate), inner sleeve 312 (310 inner body of bearing substrate i.e. said before) and intermediate sleeve 313。

Wherein, outer sleeve 311 is set in the outside of gushing arm connector sleeve 120, and ball internal screw thread 3111 is arranged in outer sleeve 311 Inner peripheral surface on, gushing arm external screw thread 121 is arranged on the outer peripheral surface of gushing arm connector sleeve 120, therefore, passes through ball internal screw thread 3111 It is cooperatively connected, outer sleeve 311 and gushing arm connector sleeve 120 can be connected as one with gushing arm external screw thread 121, to guarantee to carry base Body 310 is reliably connected as one with gushing arm 100.

The inside of outer sleeve 311 and intermediate sleeve 313 is arranged in inner sleeve 312, passes through inner sleeve 312 and gushing arm seat 200 It is fixedly connected, guarantees that bearing substrate 310 is reliably connected as one with gushing arm seat 200.

Intermediate sleeve 313 is arranged between outer sleeve 311 and inner sleeve 312, is provided with multiple balls on intermediate sleeve 313 Hole 3131, ball 320 is arranged in ball hole 3131, and ball 320 is installed in rotation in ball hole 3131, ball hole 3131 Support is provided for the fixation of ball 320, guarantees that the relative position of multiple balls 320 is constant, prevents from sending out between multiple balls 320 Raw collision squeezes, it is possible thereby to improve the job stability of ball assembly 300, rotates so as to further increase gushing arm 100 When ride comfort.

Optionally, the quantity of ball hole 3131 is identical as the quantity of ball 320.Radial direction of the ball 320 in intermediate sleeve 313 The inner peripheral surface and outer peripheral surface of upper prominent intermediate sleeve 313, that is to say, that the diameter of ball 320 is greater than the wall of intermediate sleeve 313 Thickness, ball 320 has and only middle section is mounted in intermediate sleeve 313, and the outside of ball 320 protrudes outward intermediate sleeve The outer peripheral surface of cylinder 313, the inside of ball 320 protrude inwardly from the inner peripheral surface of intermediate sleeve 313, in this way, the outside of ball 320 can be with The inner surface of outer sleeve 311 is in rolling contact, and the inside of ball 320 can be in rolling contact with the outer surface of inner sleeve 312, ball 320 It is to be in rolling contact between outer sleeve 311, inner sleeve 312, wherein outer sleeve 311 is fixedly connected with gushing arm 100, inner sleeve 312 are fixedly connected with gushing arm seat 200, and therefore, the connection that gushing arm 100 and gushing arm seat 200 are connected between ball 320 provides support, When gushing arm 100 and gushing arm seat 200 relatively rotate, connect between gushing arm 100 and gushing arm seat 200 indirectly by ball 320 Touching, therefore be rolling friction between gushing arm 100 and gushing arm seat 200.

Optionally, the diameter of ball 320 is 3mm-8mm, and the quantity of ball 320 is 4-12.

With reference to shown in Fig. 4-Fig. 6, further, it is provided on the inner peripheral surface of outer sleeve 311 and is suitable for cooperating with ball 320 The top of outer sleeve ball grooves 3112 is arranged in outer sleeve ball grooves 3112, ball internal screw thread 3111, is that ball 320 can be outside Sleeve ball grooves 3112 swimmingly rotate and provide space, are provided on the outer peripheral surface of inner sleeve 312 and are suitable for cooperating with ball 320 Inner sleeve ball grooves 3121, outer sleeve ball grooves 3112, inner sleeve ball grooves 3121 are circumferential annular groove, it is possible thereby to protect Demonstrate,prove the smoothness of the whole circle rotation of gushing arm 100.It is rolling between ball 320 and outer sleeve ball grooves 3112, inner sleeve ball grooves 3121 Dynamic contact, friction is small.In a particular embodiment, outer sleeve ball grooves 3112, inner sleeve ball grooves 3121 diameter can be with It is equal with the diameter of ball 320, or the diameter of ball 320 can also be slightly larger than, it thus can guarantee that ball 320 is rolled with outer sleeve Pearl slot 3112,3121 no-float of inner sleeve ball grooves.

In conjunction with shown in Fig. 3-Fig. 4, in the central axial direction of gushing arm connector sleeve 120, outer sleeve ball grooves 3112, inner sleeve Cylinder ball grooves 3121, the position of ball hole 3131 are corresponding, and ball 320 is partially disposed in ball hole 3131.Ball 320 Outside is contacted with outer sleeve ball grooves 3112, and the inside of ball 320 is contacted with inner sleeve ball grooves 3121, to complete outer sleeve 311 with the connection of inner sleeve 312, and outer sleeve 311 is fixedly connected with gushing arm 100, inner sleeve 312 is consolidated with gushing arm seat 200 again Fixed connection, and then complete being indirectly connected with for gushing arm 100 and gushing arm seat 200.Outer sleeve ball grooves 3112, inner sleeve ball grooves 3121, the position of ball hole 3131 is corresponding, when can prevent gushing arm 100 from rotating, track and outer sleeve that ball 320 is slided The track of ball grooves 3112 and inner sleeve ball grooves 3121 is different, to be squeezed, causes gushing arm 100 that can not rotate.

It in some embodiments, is to be detachably connected between gushing arm seat 200 and inner sleeve 312.

With reference to shown in Fig. 3-Fig. 4, inner sleeve external screw thread 3122 is provided on the outer peripheral surface of inner sleeve 312, gushing arm seat 200 It is provided with the gushing arm seat internal screw thread 220 for being suitable for cooperating with inner sleeve external screw thread 3122 on inner peripheral surface, passes through inner sleeve external screw thread 3122 are cooperatively connected with gushing arm seat internal screw thread 220, inner sleeve 312 and gushing arm seat 200 are reliably connected as one, gushing arm seat It is attached between 200 and ball assembly 300 by screw thread, it is easy to disassemble and fixed reliable.Inner sleeve external screw thread 3122 is arranged In the lower section of interior sleeve ball grooves 3121, it can swimmingly be rotated in interior sleeve ball grooves 3121 for ball 320 and provide space.

With reference to shown in Fig. 4, Fig. 6, the top of outer sleeve ball grooves 3112, the outer spiral shell of inner sleeve is arranged in ball internal screw thread 3111 The lower section of interior sleeve ball grooves 3121 is arranged in line 3122, therefore, the fixed bit of outer sleeve 311 and gushing arm 100 setting in top, Inner sleeve 312 and the cooperation position of gushing arm seat 200 are located below, and thus take full advantage of height space, prevent gushing arm 100 and spray The axial dimension that arm seat 200 connects at cooperation is too big.

With reference to shown in Fig. 6-Fig. 7, specifically, the bottom of intermediate sleeve 313 is arranged in ball hole 3131, and ball hole 3131 is Major arc hole, and form ball at the bottom notch of ball hole 3131 and pick and place mouth, ball 320 picks and places mouth through ball and enters ball hole It 3131 or is come out from ball hole 3131, thereby facilitates installation and removal of the ball 320 in ball hole 3131.Major arc hole is round Heart angle is greater than 180 ° and the hole less than 360 °, it is possible thereby to make being predominantly located in ball hole 3131 of each ball 320, prevents After being installed, ball 320 falls off out of ball hole 3131.When installing ball 320, ball can be picked and placed into mouth by external force It struts, ball 320 is then picked and placed into mouth through ball and is mounted in ball hole 3131, external force, the bullet of ball hole 3131 are then removed Property deformation disappear therewith, ball hole 3131 restore to the original state, ball hole 3131 tightly wraps up ball 320 at this time, so that ball 320 exists Being more firmly mounted, reliably in ball hole 3131.

In a particular embodiment, multiple ball holes 3131 can be uniformly distributed along the circumferential direction of intermediate sleeve 313, thus can make to spray Arm 100 and the relative rotation of gushing arm seat 200 are more steady.Preferably, the quantity of ball 320 is even number, it is possible thereby to guarantee to roll 300 stress equalization of pearl component alleviates stress concentration phenomenon.

With reference to shown in Fig. 6-Fig. 7, it is provided with reduction slot 3132 between two adjacent ball holes 3131, is weakened by setting Slot 3132 can make the rigidity between two adjacent ball holes 3131 smaller, thus when installing ball 320, ball hole 3131 It is easily deformed, to reduce the installation or removal difficulty of ball 320.

It is provided with reduction slot column 3133 in reduction slot 3132, optionally, weakens the central axis of slot column 3133 in Between sleeve 313 centerline axis parallel, be thus conducive to simplify intermediate sleeve 313 processing technology.It is vertical by setting reduction slot Column 3133 can play certain invigoration effect, so that the rigidity of reduction 3132 undue weakening intermediate sleeve 313 of slot is prevented, into And be conducive to improve the functional reliability of ball assembly 300.

The effect of intermediate sleeve 313 mainly has at 3 points: (1) by intermediate sleeve 313 open up ball hole 3131, and will Ball 320 is mounted in ball hole 3131, can fix, limit the position of ball 320, prevents ball 320 from accumulating；(2) it plays The effect of swill is isolated, prevents the small residue of food from entering ball grooves, and causes to rub；(3) invigoration effect is played, and can be every It is shaken from gushing arm 100, prevents gushing arm 100 from shaking seriously.

With reference to shown in Fig. 5-Fig. 6, specifically, outer sleeve 311 may include: outer sleeve peripheral wall 3113 and outer sleeve bottom wall 3114, one end of the separate gushing arm 100 of outer sleeve peripheral wall 3113, as shown in connection with fig. 3, outer sleeve is arranged in outer sleeve bottom wall 3114 Bottom wall 3114 is arranged in the lower end of outer sleeve peripheral wall 3113, and outer sleeve bottom wall 3114 along outer sleeve peripheral wall 3113 radially-inwardly Extend, the setting of outer sleeve ball grooves 3112 is in outer collet base wall 3114 and 3113 intersection of outer sleeve peripheral wall, in this way, ball 320 The top of outer collet base wall 3114 is set, outer sleeve bottom wall 3114 can play a certain protective role ball 320 as a result, Ball 320 is prevented to be exposed to service life that is outer and influencing ball 320.

With reference to shown in Fig. 2-Fig. 4, further, the top of gushing arm seat 200 has gushing arm seat flange 210, gushing arm seat flange The lower section of outer collet base wall 3114, and gushing arm seat is arranged in 210 extending radially outwardly along gushing arm seat 200, gushing arm seat flange 210 Gap between the upper surface of flange 210 and the lower surface of outer sleeve bottom wall 3114 is L2, and L2 meets relational expression: 0mm < L2≤ 0.5mm can be to avoid the lower surface of outer sleeve bottom wall 3114 as a result, when gushing arm 100 and gushing arm seat 200 relatively rotate Contacted between the upper surface of gushing arm seat flange 210 and sliding friction occur, that is to say, that outer sleeve 311 and gushing arm seat 200 it Between without friction.In addition, the gap between the lower surface of outer sleeve bottom wall 3114 and the upper surface of gushing arm seat flange 210 is smaller, it can Increase the frictional force between gushing arm 100 and gushing arm seat 200 very to prevent leftovers or other pollutants from entering in gap Extremely stuck gushing arm 100, and when gushing arm 100 tilts, outer sleeve 311 can be contacted quickly with gushing arm seat 200, to avoid gushing arm 100 further inclinations.

Such as in some optional embodiments, the upper surface of gushing arm seat flange 210 and the lower surface of outer sleeve bottom wall 3114 Between gap L 2 can be 0.1mm, be also possible to 0.2mm or 0.3mm.

With reference to shown in Fig. 3-Fig. 5, specifically, gushing arm connector sleeve 120 may include: connector sleeve peripheral wall 122 and connector sleeve bottom Wall 123, connector sleeve bottom wall 123 are extended radially inwardly along connector sleeve peripheral wall 122, and the setting of connector sleeve bottom wall 123 is in connector sleeve week One end of the separate gushing arm ontology 110 of wall 122, as shown in figure 3, connector sleeve bottom wall 123 is arranged under connector sleeve peripheral wall 122 The lower section of connector sleeve bottom wall 123 is arranged in end, inner sleeve 312 and intermediate sleeve 313.

Referring to shown in Fig. 3, the internal diameter of connector sleeve bottom wall 123 is equal with the internal diameter of inner sleeve 312, the two alignment, no mutation Step can avoid water flow pressure loss.It, can be at connector sleeve bottom meanwhile when water enters gushing arm connector sleeve 120 from inner sleeve 312 It is buffered at wall 123, transition, the stability of rotation of gushing arm 100 can be influenced to avoid flow rate of water flow mutation.Gushing arm seat 200 Bottom there is gushing arm seat inward flange, gushing arm seat inward flange extends radially inwardly along gushing arm seat 200, and inner sleeve 312 is located at spray The top of arm seat inward flange, the center of gushing arm seat inward flange have a gushing arm seat inlet opening, the internal diameter of gushing arm seat inlet opening also with it is interior The internal diameter of sleeve 312 is equal, the two alignment, and no abrupt step can avoid water flow pressure loss.Meanwhile when water is from gushing arm seat 200 When into inner sleeve 312, the stability of rotation of gushing arm 100 can be equally influenced to avoid flow rate of water flow mutation.

That is, water flow enters from gushing arm seat 200 when the water source of dish-washing machine is opened, it is then flowed into gushing arm company again In the gushing arm chamber 101 of female connector 120, therefore, the internal diameter of connector sleeve bottom wall 123 and the internal diameter of inner sleeve 312 and gushing arm seat into The internal diameter in water hole is equal, it is ensured that gushing arm seat 200, inner sleeve 312 are equal with the water velocity in connector sleeve bottom wall 123, again Since the internal diameter of the internal diameter and connector sleeve peripheral wall 122 of connector sleeve bottom wall 123 is not much different, when water is through connector sleeve bottom wall 123 When in into connector sleeve peripheral wall 122, the variation of water velocity is smaller, and the flow rate of water flow that water flow enters gushing arm chamber 101 is stablized, from And avoid water velocity acute variation that gushing arm 100 is caused to shake the stable water pressure seriously guaranteed in gushing arm chamber 101 and rise, prevent It is prominent only to there is flow velocity in the junction of the junction of gushing arm seat 200 and inner sleeve 312, inner sleeve 312 and gushing arm connector sleeve 120 Become, guarantee that gushing arm 100 can be rotated steadily, and then guarantees that the functional reliability of gushing arm component 1000 is high.

Gap between the upper surface of inner sleeve 312 and the lower surface of connector sleeve bottom wall 123 is L1, and L1 meets relational expression: 0mm < L1≤0.5mm can be to avoid the upper of inner sleeve 312 as a result, when gushing arm 100 and gushing arm seat 200 relatively rotate It is contacted between surface and the lower surface of connector sleeve bottom wall 123 and sliding friction occurs, that is to say, that inner sleeve 312 and gushing arm connect Without friction between female connector 120, in addition, gap between the upper surface of inner sleeve 312 and the lower surface of connector sleeve bottom wall 123 compared with It is small, it can prevent leftovers or other pollutants from entering in gap and increasing the friction between gushing arm 100 and gushing arm seat 200 Power even stuck gushing arm 100, can also enter between inner sleeve 312 and connector sleeve bottom wall 123 to avoid dilutional hyponatremia and lead to water Power loss, and when gushing arm 100 tilts, inner sleeve 312 can be contacted quickly with gushing arm connector sleeve 120, to avoid gushing arm 100 further inclinations.

Such as between some optional embodiments, the upper surface of inner sleeve 312 and the lower surface of connector sleeve bottom wall 123 Gap L 1 can be 0.1mm, be also possible to 0.2mm or 0.3mm.

After connecting between gushing arm 100 and gushing arm seat 200 using ball assembly 300, gushing arm connector sleeve 120 can reduce Height dimension leaves more spaces to reduce the overall height dimension of gushing arm component 1000 for putting for tableware.

In a particular embodiment, ball 320 can be Plastic ball or stainless steel ball, because of the work of gushing arm component 1000 Be filled with water as environment, gushing arm component 1000 is chronically at hygrothermal environment, easily lead to ball 320 and get rusty clamping stagnation, Plastic ball or The anti-corrosion capability of stainless steel ball is stronger, can effectively slow down or even ball 320 is avoided to get rusty.

In some unshowned embodiments, gushing arm seat 200 is at least partially situated at 312 inside of inner sleeve, and gushing arm seat 200 top is buckled with gushing arm seat, and gushing arm seat buckle is suitable for being stuck in the upper surface of inner sleeve 312.By in gushing arm seat 200 Top is arranged gushing arm seat and buckles, it is ensured that gushing arm seat 200 is reliably connected as one with inner sleeve 312, and facilitates gushing arm Seat 200 is attached and is detached from ball assembly 300, convenient for the installation of gushing arm component 1000.

Specifically, the top of gushing arm seat 200 has multiple grooves, the opening direction of groove and the axis side of gushing arm seat 200 To parallel, gushing arm seat buckle is upwardly extended from the bottom wall of groove, and the two sides of gushing arm seat buckle are separated with the two side walls of groove It opens, thereby guarantees that flexible deformation can occur in groove for gushing arm seat buckle.The top of gushing arm seat buckle is provided with towards inner sleeve The hook of cylinder 312, hook are suitable for hooking on the top of inner sleeve 312, to limit the relative axle of gushing arm seat 200 Yu inner sleeve 312 To position.

When assembling inner sleeve 312 and gushing arm seat 200, the inner peripheral surface of inner sleeve 312 squeezes the hook of gushing arm seat buckle, So that gushing arm seat is buckled the internal modification to gushing arm seat 200, guarantees that gushing arm seat buckle can reach inner sleeve from the bottom end of inner sleeve 312 312 top (i.e. from below to up), when gushing arm seat buckle crosses the top of inner sleeve 312, the suffered extruding of gushing arm seat buckle Power disappears, under the action of gushing arm seat buckles own resilient, gushing arm seat buckle it is close to inner sleeve 312 so that in hook catches on The top of sleeve 312.

When needing to separate inner sleeve 312 with gushing arm seat 200, it only need to firmly be lifted up gushing arm 100, inner sleeve 312 Top squeezes hook and continues to lift gushing arm 100 so that hook is retracted in inside inner sleeve 312, can be by inner sleeve 312 and spray Arm seat 200 separates.

The bearing substrate 310 of embodiment based on Fig. 3, 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. 3 to the bearing substrate according to the utility model embodiment 310 multiple variation examples are summarized.

For example, bearing substrate 310 can only include: outer sleeve 311, i.e., in wherein first unshowned embodiment For embodiment compared to above-mentioned Fig. 3, reduce intermediate sleeve 313, inner sleeve 312, directly and outer sleeve using ball 320 311 and gushing arm seat 200 cooperate, gushing arm connector sleeve 120 equally may be implemented and be connected with the rolling of gushing arm seat 200.At this point, gushing arm seat The gushing arm seat ball grooves for being suitable for cooperating with ball 320 are provided on 200 outer peripheral surface.

For example, bearing substrate 310 can only include: outer sleeve 311 in wherein second unshowned embodiment Between sleeve 313 reduce inner sleeve 312 that is, for the embodiment compared to above-mentioned Fig. 3, directly and outer sleeve using ball 320 311 and gushing arm seat 200 cooperate, gushing arm connector sleeve 120 equally may be implemented and be connected with the rolling of gushing arm seat 200.At this point, gushing arm seat The gushing arm seat ball grooves for being suitable for cooperating with ball 320 are provided on 200 outer peripheral surface.

For example, in wherein third unshowned embodiment, bearing substrate 310 can only include: outer sleeve 311 and interior Sleeve 312 reduces intermediate sleeve 313 that is, for the embodiment compared to above-mentioned Fig. 3, directly and outer sleeve using ball 320 311 and inner sleeve 312 cooperate, gushing arm connector sleeve 120 equally may be implemented and be connected with the rolling of gushing arm seat 200.

According to the washing electric appliance of the utility model another aspect embodiment, the gushing arm component 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 is similar with gushing arm component 1000 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 (17)

1. a kind of gushing arm component characterized by comprising

Gushing arm, the gushing arm have gushing arm external screw thread；

Gushing arm seat, the gushing arm are connected with the gushing arm seat, and the gushing arm can be rotated relative to the gushing arm seat；

Ball assembly, the ball assembly is arranged at the connection cooperation of the gushing arm and the gushing arm seat, and the ball set Part includes: bearing substrate and ball, and the ball is rotatably arranged on the bearing substrate, is arranged on the bearing substrate There is the ball internal screw thread with gushing arm external screw thread cooperation.

2. gushing arm component according to claim 1, which is characterized in that the gushing arm includes: that gushing arm ontology is connected with gushing arm Set, the gushing arm connection are set on the downside of the gushing arm ontology, have in the gushing arm connector sleeve and the gushing arm ontology The gushing arm chamber of connection, the interior gushing arm seat chamber having with the gushing arm chamber of the gushing arm seat, the gushing arm external screw thread The outer peripheral surface of the gushing arm connector sleeve is set.

3. gushing arm component according to claim 2, which is characterized in that the bearing substrate includes:

Outer sleeve, the outer sleeve are set in the outside of the gushing arm connector sleeve, and the ball internal screw thread is arranged in the housing On the inner peripheral surface of cylinder.

4. gushing arm component according to claim 3, which is characterized in that the bearing substrate further include: intermediate sleeve, it is described The inside of the outer sleeve is arranged in intermediate sleeve, and multiple ball holes are provided on the intermediate sleeve, and the ball is mounted on In the ball hole, and the ball is in the inner peripheral surface for radially protruding the intermediate sleeve of the intermediate sleeve and periphery Face.

5. gushing arm component according to claim 3 or 4, which is characterized in that the bearing substrate further include: inner sleeve, institute State inner sleeve be suitable for connect with the gushing arm seat, be provided on the outer peripheral surface of the inner sleeve suitable for in the ball engagement Sleeve ball grooves.

6. gushing arm component according to claim 3, which is characterized in that be provided on the inner peripheral surface of the outer sleeve be suitable for The top of the outer sleeve ball grooves is arranged in the outer sleeve ball grooves of the ball engagement, the ball internal screw thread.

7. gushing arm component according to claim 5, which is characterized in that be removable between the gushing arm seat and the inner sleeve Unload connection.

8. gushing arm component according to claim 7, which is characterized in that be provided with inner sleeve on the outer peripheral surface of the inner sleeve External screw thread is provided with the gushing arm seat internal screw thread for being suitable for cooperating with the inner sleeve external screw thread, institute on the inner peripheral surface of the gushing arm seat State the lower section that the inner sleeve ball grooves are arranged in inner sleeve external screw thread.

9. gushing arm component according to claim 7, which is characterized in that the gushing arm seat is at least partially situated at the inner sleeve Cylinder inside, and the top of the gushing arm seat is buckled with gushing arm seat, the gushing arm seat buckle is suitable for being stuck in the upper of the inner sleeve Surface.

10. gushing arm component according to claim 9, which is characterized in that the top of the gushing arm seat has multiple grooves, institute The opening direction for stating groove is parallel with the axis direction of the gushing arm seat, and the bottom wall of gushing arm seat buckle from the groove is upward Extend, and the two sides of gushing arm seat buckle and the two side walls of the groove separate, the top of the gushing arm seat buckle is set It is equipped with the hook towards the inner sleeve.

11. gushing arm component according to claim 4, which is characterized in that the intermediate sleeve is arranged in the ball hole Bottom, the ball hole are to form ball at major arc hole and bottom notch to pick and place mouth.

12. gushing arm component according to claim 3, which is characterized in that the outer sleeve includes: outer sleeve peripheral wall and housing One end far from the gushing arm of the outer sleeve peripheral wall, and the outer sleeve bottom is arranged in cylinder bottom wall, the outer sleeve bottom wall Wall is extended radially inwardly along the outer sleeve peripheral wall, and the top of the outer sleeve bottom wall is arranged in the ball.

13. gushing arm component according to claim 5, which is characterized in that the gushing arm connector sleeve include: connector sleeve peripheral wall and Along the connector sleeve bottom wall of the connector sleeve peripheral wall extended radially inwardly, the connector sleeve bottom wall is arranged in the connector sleeve peripheral wall One end far from the gushing arm ontology, the lower section of the connector sleeve bottom wall is arranged in the inner sleeve.

14. gushing arm component according to claim 13, which is characterized in that the internal diameter of the connector sleeve bottom wall and the inner sleeve The internal diameter of cylinder is equal.

15. gushing arm component according to claim 13, which is characterized in that the upper surface of the inner sleeve and the connector sleeve Gap between the lower surface of bottom wall is L1, and L1 meets relational expression: 0mm < L1≤0.5mm.

16. gushing arm component according to claim 5, which is characterized in that the gushing arm seat tool has gushing arm seat inlet opening, described The internal diameter of gushing arm seat inlet opening is equal with the internal diameter of the inner sleeve.

17. a kind of washing electric appliance, which is characterized in that including gushing arm component described according to claim 1 any one of -16.