CN208973737U - Gushing arm component and washing electric appliance with it - Google Patents
Gushing arm component and washing electric appliance with it Download PDFInfo
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- CN208973737U CN208973737U CN201821401305.3U CN201821401305U CN208973737U CN 208973737 U CN208973737 U CN 208973737U CN 201821401305 U CN201821401305 U CN 201821401305U CN 208973737 U CN208973737 U CN 208973737U
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- gushing arm
- ball
- arm seat
- seat
- gushing
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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 gushing arm has gushing arm internal screw thread;Gushing arm seat, gushing arm are connected with gushing arm seat, and gushing arm can be rotated relative to gushing arm seat;Ball assembly, ball assembly is arranged at the connection cooperation of gushing arm and gushing arm seat, and ball assembly includes: outer sleeve, inner sleeve and ball, outer sleeve is set in the outside of inner sleeve, and the ball external screw thread with gushing arm screw-internal thread fit is provided on outer sleeve or inner sleeve.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
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 by clamping flange and buckle
It is cooperatively connected, 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 be easy to influence cleaning effect by the gap leakage.In addition, when gushing arm and gushing arm seat generate relative motion, the two it
Between friction mode be sliding friction, therefore lose hydrodynamic force it is bigger.On the other hand, it snaps connection mode and directly results in spray
The upper-lower height size of arm seat and gushing arm is larger, in this way waste 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 internal 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 rolling
Pearl component is arranged at the connection cooperation of the gushing arm and the gushing arm seat, and the ball assembly includes: outer sleeve, inner sleeve
And ball, the outer sleeve are set in the outside of the inner sleeve, be provided on the outer sleeve or the inner sleeve with it is described
The ball external screw thread of gushing arm screw-internal thread fit.
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 appearance of washing electric appliance dish-washing machine to leave more spaces for putting for part to be cleaned
Amount.
Some embodiments according to the present utility model are provided with multiple ball holes, the ball installation on the inner sleeve
In the ball hole, the inner peripheral surface and outer peripheral surface that radially protrude the inner sleeve of the ball in the inner sleeve, institute
Ball external screw thread is stated to be arranged on the outer peripheral surface of the outer sleeve.
Further, the gushing arm seat includes: gushing arm seat ontology, is provided with and is suitable on the outer peripheral surface of the gushing arm seat ontology
With the gushing arm seat ball grooves of the ball engagement.
Further, the outer sleeve ball grooves being suitable for the ball engagement are provided on the inner peripheral surface of the outer sleeve,
The outer sleeve ball grooves, the gushing arm seat ball grooves are circumferential annular groove.
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.
Optionally, the gushing arm seat further include: along the gushing arm seat flange of the gushing arm seat ontology to extend radially outwardly, institute
State the lower section that the gushing arm seat ontology is arranged in gushing arm seat flange, the outer peripheral surface and the gushing arm seat flange of the gushing arm seat ontology
Between be provided with multiple floors, the top of the floor is arranged in the outer sleeve bottom wall.
The bottom of the inner sleeve, the ball is arranged in some embodiments according to the present utility model, the ball hole
Hole is to form ball at major arc hole and bottom notch to pick and place mouth.
Further, it is provided with reduction slot between two adjacent ball holes, and is provided in the reduction slot weak
Change slot column.
Some embodiments according to the present utility model are provided with multiple ball holes, the ball installation on the outer sleeve
In the ball hole, the inner peripheral surface and outer peripheral surface that radially protrude the outer sleeve of the ball in the outer sleeve, institute
Ball external screw thread is stated to be arranged on the outer peripheral surface of the inner sleeve.
Specifically, the gushing arm seat includes: that gushing arm seat water inlet axis, gushing arm seat peripheral wall and setting are intake in the gushing arm seat
The top of the gushing arm seat ring wall, institute is arranged in gushing arm seat ring wall between axis, the gushing arm seat peripheral wall, the gushing arm seat peripheral wall
State the lower section that the gushing arm seat ring wall is arranged in gushing arm seat water inlet axis, the internal diameter and the inner sleeve of the gushing arm seat water inlet axis
Internal diameter is equal, and the gushing arm seat ball grooves being suitable for the ball engagement are provided on the inner peripheral surface of the gushing arm seat peripheral wall.
Further, the inner sleeve ball grooves being suitable for the ball engagement are provided on the outer peripheral surface of the inner sleeve,
The inner sleeve ball grooves and the gushing arm seat ball grooves are circumferential annular groove.
Further, the top of the gushing arm seat ring wall, and the inner sleeve is arranged in the inner sleeve and the outer sleeve
Gap between the lower surface of cylinder and the upper surface of the gushing arm seat ring wall is L1, and L1 meets relational expression: 0mm < L1≤0.5mm.
Optionally, floor is provided between the outer peripheral surface and the gushing arm seat ring wall of the gushing arm seat water inlet axis.
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 internal screw thread are arranged in the spray
The inner peripheral surface of arm connector sleeve.
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 first embodiment stereoscopic schematic diagram of gushing arm component;
Fig. 2 is the first embodiment solid half-section diagram of gushing arm component;
Fig. 3 is the first embodiment half-section diagram of gushing arm component;
Fig. 4 is partial enlarged view at A in Fig. 3;
Fig. 5 is the assembling schematic diagram of ball assembly and gushing arm seat;
Fig. 6 is the decomposition diagram of ball assembly and gushing arm seat;
Fig. 7 is the three-dimensional half-section diagram of ball assembly and gushing arm seat;
Fig. 8 is the half-section diagram of ball assembly and gushing arm seat;
Fig. 9 is the second embodiment half-section diagram of gushing arm component;
Figure 10 is partial enlarged view at B in Fig. 9;
Figure 11 is the first embodiment decomposition diagram of gushing arm component.
Appended drawing reference:
Gushing arm component 1000;
Gushing arm 100, gushing arm ontology 110, gushing arm connector sleeve 120, gushing arm internal screw thread 121, gushing arm chamber 130;
Gushing arm seat 200, gushing arm seat ontology 210, gushing arm seat flange 220, floor 230, gushing arm seat water inlet axis 240, gushing arm seat
Peripheral wall 250, gushing arm seat ring wall 260, gushing arm seat ball grooves 270, gushing arm seat chamber 280;
It is ball assembly 300, outer sleeve 310, outer sleeve peripheral wall 311, outer sleeve bottom wall 312, outer sleeve ball grooves 313, interior
Sleeve 320, inner sleeve ball grooves 321, ball 330, ball external screw thread 340, ball hole 350, ball pick and place mouth 351, reduction slot
360, slot column 361 is weakened.
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-Figure 11 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.
It may include: gushing arm according to the gushing arm component 1000 of the utility model embodiment referring to Fig.1 shown in-Fig. 2, Fig. 9
100, gushing arm seat 200 and ball assembly 300.
Referring to shown in Fig. 3-Fig. 4, Fig. 9-Figure 10, gushing arm 100 has gushing arm internal screw thread 121, gushing arm 100 and gushing arm seat 200
It is connected, gushing arm seat 200 is located at the lower section of gushing arm 100, and gushing arm 100 can be rotated relative to gushing arm seat 200, by the way that gushing arm seat is arranged
200, connecting interface is provided for gushing arm 100, meanwhile, after gushing arm 100 is connected as one with gushing arm seat 200, gushing arm seat 200 may be used also
To serve as the inlet pipeline of gushing arm 100.In some embodiments, it is provided with hole for water spraying and drive hole on gushing arm 100, works as gushing arm
After hydraulic pressure in 100 reaches certain value, gushing arm 100 begins through hole for water spraying and drive hole sprays water column, and gushing arm 100 is by water column
Reaction force when ejection and rotate, as water column is constantly sprayed from hole for water spraying and drive hole, gushing arm 100 sustainably turns
Dynamic, the water column sprayed from hole for water spraying and drive hole is as the rotation of gushing arm 100 can be spilt to tableware surface or dish-washing machine inner wall, in turn
The spot of tableware or dish-washing machine inner wall is cleaned, to complete cleaning of the dish-washing machine to tableware.
Ball assembly 300 is arranged at the connection cooperation of gushing arm 100 and gushing arm seat 200, and ball assembly 300 can wrap
Include: outer sleeve 310, inner sleeve 320 and ball 330, outer sleeve 310 are set in the outside of inner sleeve 320, outer sleeve 310 or interior
The ball external screw thread 340 cooperated with gushing arm internal screw thread 121 is provided on sleeve 320.As shown in figure 4, ball external screw thread 340 is arranged
On the outer peripheral surface of outer sleeve 310, outer sleeve 310 is fixedly linked with gushing arm 100, and the outer surface of ball 330 and gushing arm seat 200 is rolled
Dynamic contact;As shown in Figure 10, ball external screw thread 340 is arranged on the outer peripheral surface of inner sleeve 320, and inner sleeve 320 and gushing arm 100 are solid
Fixed to be connected, ball 330 and the inner surface of gushing arm seat 200 are in rolling contact, gushing arm 100, gushing arm seat 200 and 300 three of ball assembly
The structure of connection is simple, stablizes.
It is attached between gushing arm 100 and ball assembly 300 by screw thread, it is easy to disassemble and fixed reliable.
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 the form that original gushing arm 100 is connected by a snap with gushing arm seat 200, gushing arm 100 and gushing arm seat
After connecting between 200 using ball assembly 300, the distance between gushing arm 100 and gushing arm seat 200 can reduce, to reduce
The height dimension of gushing arm component 1000, saves dish washer interior space, leaves more spaces for the putting of tableware, into
And the tableware capacity of dish-washing machine is improved, such as dish washer interior useful load 10mm-40mm can be increased.
According to the gushing arm component 1000 of the utility model embodiment, by the way that gushing arm seat 200 is arranged, provided for gushing arm 100
Connecting interface, while gushing arm seat 200 acts also as the inlet pipeline of gushing arm 100, passes through ball between gushing arm 100 and gushing arm seat 200
Component 300 is connected, and makes to be in rolling contact between gushing arm 100 and gushing arm seat 200, it is possible thereby to reduce gushing arm 100 and gushing arm seat 200
Between frictional force improve hydrodynamic utilization rate to be conducive to reduce hydrodynamic force loss, guarantee that water is sprayed water from gushing arm 100
Pressure when hole sprays is larger, is conducive to be promoted dish-washing machine to the cleaning effect of tableware.In addition, gushing arm 100 and gushing arm seat 200 it
Between connected by ball assembly 300, the height dimension of gushing arm component 1000 can also be reduced, to save dish washer interior sky
Between, more spaces are left for putting for tableware, improve the tableware capacity of dish-washing machine.
One embodiment of the utility model is described in detail referring to Fig. 1-Fig. 8.
Referring to shown in Fig. 3-Fig. 6, multiple ball holes 350 are provided on inner sleeve 320, ball 330 is installed in rotation on
In ball hole 350, ball hole 350 provides support for the fixation of ball 330, guarantees that the relative position of multiple balls 330 is constant,
It prevents from colliding between multiple balls 330, squeeze, it is possible thereby to the job stability of ball assembly 300 is improved, so as to
Further increase ride comfort when gushing arm 100 rotates.Optionally, the quantity of ball hole 350 is identical as the quantity of ball 330.
The inner peripheral surface and outer peripheral surface that radially protrude inner sleeve 320 of the ball 330 in inner sleeve 320, that is to say, that ball
330 diameter is greater than the wall thickness of inner sleeve 320, and ball 330 has and only middle section is mounted in inner sleeve 320, rolling
The outside of pearl 330 protrudes outward the outer peripheral surface of inner sleeve 320, and the inside of ball 330 protrudes inwardly from the inner peripheral surface of inner sleeve 320,
In this way, the outside of ball 330 can be in rolling contact with the inner surface of outer sleeve 310, the inside of ball 330 can be with gushing arm seat 200
Outer surface is in rolling contact, and is to be in rolling contact between ball 330 and outer sleeve 310, gushing arm seat 200, and ball 330 is gushing arm 100
Connection with gushing arm seat 200 provides support.When gushing arm 100 and gushing arm seat 200 relatively rotate, outer sleeve 310 and spray
It is contacted between arm seat 200 by ball 330, therefore is rolling friction between outer sleeve 310 and gushing arm seat 200.
Ball external screw thread 340 is arranged on the outer peripheral surface of outer sleeve 310, ball external screw thread 340 and 121 spiral shell of gushing arm internal screw thread
Cooperation is connect, the fixation of outer sleeve 310 Yu gushing arm 100 is achieved in, is connected through a screw thread between gushing arm 100 and outer sleeve 310, is filled
It is reliable to tear convenient and connection open.At this point, the friction type between gushing arm 100 and gushing arm seat 200 is the equal of rolling friction, can subtract
Small hydrodynamic loss, make the energy of water more from gushing arm 100 hole for water spraying and drive hole spray, guarantee water from hole for water spraying
Pressure is bigger after ejection, is conducive to clean tableware, to promote the cleaning performance of dish-washing machine.
In a particular embodiment, multiple ball holes 350 can be uniformly distributed along the circumferential direction of inner sleeve 320, thus can make gushing arm
100 is more steady with the relative rotation of gushing arm seat 200.Preferably, the quantity of ball 330 is even number, it is possible thereby to guarantee ball
300 stress equalization of component alleviates stress concentration phenomenon.
Optionally, the diameter of ball 330 is 3mm-8mm, and the quantity of ball 330 is 4-12.
Further, referring to shown in Fig. 7-Fig. 8, gushing arm seat 200 may include: gushing arm seat ontology 210 and gushing arm seat flange
220, the lower section of gushing arm seat ontology 210 is arranged in gushing arm seat flange 220, and gushing arm seat flange 220 is along the diameter of gushing arm seat ontology 210
To extending outwardly, the outer diameter of gushing arm seat flange 220 is greater than the outer diameter of gushing arm seat ontology 210, and gushing arm seat flange 220 is suitable for and washes the dishes
Other components in machine are connected, and the outer diameter of gushing arm seat flange 220 is larger, thus can make gushing arm seat 200 and other components it
Between fixation it is more stable, reliable.The gushing arm seat for being suitable for cooperating with ball 330 is provided on the outer peripheral surface of gushing arm seat ontology 210
Ball grooves 270.
Further, the outer sleeve ball grooves 313 for being suitable for cooperating with ball 330 are provided on the inner peripheral surface of outer sleeve 310,
Outer sleeve ball grooves 313, gushing arm seat ball grooves 270 are circumferential annular groove, it is possible thereby to guarantee the suitable of the whole circle rotation of gushing arm 100
Smooth property.To be in rolling contact between ball 330 and outer sleeve ball grooves 313, gushing arm seat ball grooves 270, friction is small.Specific
In embodiment, outer sleeve ball grooves 313, gushing arm seat ball grooves 270 diameter can be equal with the diameter of ball 330, Huo Zheye
The diameter of ball 330 can be slightly larger than, thus can guarantee that ball 330 is matched with outer sleeve ball grooves 313, gushing arm seat ball grooves 270
It closes good.
Further, referring to shown in Fig. 4, Fig. 6, Fig. 8, in the central axial direction of gushing arm connector sleeve 120, the rolling of gushing arm seat
Pearl slot 270, outer sleeve ball grooves 313, the position of ball hole 350 are corresponding, and ball 330 is partially disposed in ball hole 350,
The outside of ball 330 is contacted with outer sleeve ball grooves 313, and the inside of ball 330 is contacted with gushing arm seat ball grooves 270, thus complete
At the connection of gushing arm seat 200 and outer sleeve 310, and outer sleeve 310 is fixedly connected with gushing arm 100, so complete gushing arm 100 with
Gushing arm seat 200 is indirectly connected with.Gushing arm seat ball grooves 270, outer sleeve ball grooves 313, the position of ball hole 350 are corresponding, can
When preventing gushing arm 100 from rotating, track that ball 330 is slided and gushing arm seat ball grooves 270 and outer sleeve ball grooves 313
Track is different, to be squeezed, causes gushing arm 100 that can not rotate.
Specifically, referring to shown in Fig. 3-Fig. 4, outer sleeve 310 may include: outer sleeve peripheral wall 311 and outer sleeve bottom wall
312, one end of the separate gushing arm 100 of outer sleeve peripheral wall 311 is arranged in outer sleeve bottom wall 312, as shown in figure 4, outer sleeve bottom wall
312 are arranged in the lower end of outer sleeve peripheral wall 311, and the extending radially inwardly along outer sleeve peripheral wall 311 of outer sleeve bottom wall 312, outside
The setting of sleeve ball grooves 313 is in outer collet base wall 312 and 311 intersection of outer sleeve peripheral wall, in this way, ball 330 is arranged in housing
The top of cylinder bottom wall 312, outer sleeve bottom wall 312 can play a certain protective role ball 330 as a result, prevent ball 330 sudden and violent
Expose outside and influence the service life of ball 330.
In addition, ball external screw thread 340 is arranged on the outer peripheral surface of outer sleeve peripheral wall 311, the setting of outer sleeve ball grooves 313 exists
On the inner peripheral surface of outer sleeve peripheral wall 311, and the lower section of ball external screw thread 340 is arranged in outer sleeve ball grooves 313, as a result, housing
Cylinder 310 and the fixed bit of gushing arm 100 are located below setting in top, outer sleeve 310 and the cooperation position of gushing arm seat 200, thus
Height space is taken full advantage of, the axial dimension for preventing gushing arm 100 from connect at cooperation with gushing arm seat 200 is too big.
Optionally, it referring to shown in Fig. 4, Fig. 6, is provided between the outer peripheral surface and gushing arm seat flange 220 of gushing arm seat ontology 210
The top of floor 230 is arranged in multiple floors 230, outer sleeve bottom wall 312.By the way that floor 230 is arranged, gushing arm seat ontology is increased
210 with the structural strength and rigidity of gushing arm seat flange 220, effectively prevent when 100 high-speed rotation of gushing arm gushing arm seat 200 to occur disconnected
It splits, damage, to be conducive to extend the service life of gushing arm component 1000.
Multiple floors 230 are uniformly distributed along the circumferential direction of gushing arm seat ontology 210, are thus conducive to the property for promoting gushing arm seat 200
Can, optionally, the quantity of floor 230 is four, and two neighboring floor 230 is spaced 90 °.
The bottom of inner sleeve 320 is arranged in ball hole 350, as shown in fig. 6, ball hole 350 is major arc hole, and ball hole
Ball is formed at 350 bottom notch picks and places mouth 351.Ball 330 picks and places mouth 351 through ball and enters ball hole 350 or from ball
Hole 350 comes out, and thereby facilitates installation and removal of the ball 330 in ball hole 350.
Further, it is provided with reduction slot 360 between two adjacent ball holes 350, and is provided in reduction slot 360 weak
Change slot column 361, optionally, weakens the central axis of slot column 361 and the centerline axis parallel of inner sleeve 320, thus favorably
In the processing technology for simplifying inner sleeve 320.Slot 360 is weakened by setting, the rigidity between two adjacent ball holes 350 can be made
Smaller, thus when installing ball 330, ball hole 350 is easily deformed, to reduce the installation or removal difficulty of ball 330.
In addition, certain invigoration effect can be played by setting reduction slot column 361, to prevent in reduction 360 undue weakening of slot
The rigidity of sleeve 320, and then be conducive to improve the functional reliability of ball assembly 300.
Second embodiment of the utility model is described in detail referring to Fig. 9-Figure 11.
As Figure 9-Figure 11, multiple ball holes 350 are provided on outer sleeve 310, ball 330 is installed in rotation on rolling
In the hole of bead 350, ball hole 350 provides support for the fixation of ball 330, guarantees that the relative position of multiple balls 330 is constant, prevents
Only collide, squeeze between multiple balls 330, it is possible thereby to improve the job stability of ball assembly 300, so as into
One step improves ride comfort when gushing arm 100 rotates.Optionally, the quantity of ball hole 350 is identical as the quantity of ball 330.
It should be noted that outer sleeve 310 described in the utility model refers to that the sleeve is located at entire ball assembly 300
Outside, the "outside" of outer sleeve 310 is for the "inner" of inner sleeve 320, i.e., outer sleeve 310 is located at inner sleeve 320
Periphery, inner sleeve 320 is enclosed in the hollow cavity of outer sleeve 310, without indicating that it is whole that the outer sleeve 310 must be exposed to
The outside of a gushing arm 1000.
The inner peripheral surface and outer peripheral surface that radially protrude outer sleeve 310 of the ball 330 in outer sleeve 310, that is to say, that ball
330 diameter is greater than the wall thickness of outer sleeve 310, and ball 330 has and only middle section is mounted in outer sleeve 310, rolling
The outside of pearl 330 protrudes outward the outer peripheral surface of outer sleeve 310, and the inside of ball 330 protrudes inwardly from the inner peripheral surface of outer sleeve 310,
In this way, the outside of ball 330 can be in rolling contact with the inner surface of gushing arm seat 200, the inside of ball 330 can be with inner sleeve 320
Outer surface is in rolling contact, and is to be in rolling contact between ball 330 and inner sleeve 320, gushing arm seat 200, and ball 330 is gushing arm 100
Connection with gushing arm seat 200 provides support.When gushing arm 100 and gushing arm seat 200 relatively rotate, inner sleeve 320 and spray
It is contacted between arm seat 200 by ball 330, therefore is rolling friction between inner sleeve 320 and gushing arm seat 200.
Ball external screw thread 340 is arranged on the outer peripheral surface of inner sleeve 320.Ball external screw thread 340 and 121 spiral shell of gushing arm internal screw thread
Cooperation is connect, the fixation of inner sleeve 320 Yu gushing arm 100 is achieved in, is connected through a screw thread between gushing arm 100 and inner sleeve 320, is filled
It is reliable to tear convenient and connection open.Similarly, the friction type between gushing arm 100 and gushing arm seat 200 is the equal of rolling friction, can be with
Reduce hydrodynamic loss, make the energy of water more from gushing arm 100 hole for water spraying and drive hole spray, guarantee water from water spray
Pressure is bigger after hole sprays, and is conducive to clean tableware, to promote the cleaning performance of dish-washing machine.
In a particular embodiment, multiple ball holes 350 can be uniformly distributed along the circumferential direction of outer sleeve 310, thus can make gushing arm
100 is more steady with the relative rotation of gushing arm seat 200.Preferably, the quantity of ball 330 is even number, it is possible thereby to guarantee ball
300 stress equalization of component alleviates stress concentration phenomenon.Referring to Fig.1 shown in 1, ball hole 350 is located at the middle and lower part of outer sleeve 310.
Optionally, the diameter of ball 330 is 3mm-8mm, and the quantity of ball 330 is 4-12.
Specifically, gushing arm seat 200 may include: gushing arm seat water inlet axis 240, gushing arm seat ring wall 260 and gushing arm seat peripheral wall
250, the setting of gushing arm seat ring wall 260 is intake between axis 240 and gushing arm seat peripheral wall 250 in gushing arm seat, and the setting of gushing arm seat peripheral wall 250 exists
The top of gushing arm seat ring wall 260, gushing arm seat peripheral wall 250 is vertical with gushing arm seat ring wall 260 to be connect, and link position is located at gushing arm seat
Gushing arm seat ring wall 260 is arranged in the bottom of peripheral wall 250 and the outermost end of gushing arm seat ring wall 260, gushing arm seat water inlet axis 240
Lower section, gushing arm seat is intake, and axis 240 is vertical with gushing arm seat ring wall 260 to be connect, and link position is located at gushing arm seat water inlet axis 240 most
The inner terminal of top and gushing arm seat ring wall 260, the diameter of gushing arm seat peripheral wall 250 are greater than the diameter of gushing arm seat water inlet axis 240.Spray
Arm seat peripheral wall 250 is parallel with gushing arm seat water inlet axis 240, and the internal diameter of gushing arm seat water inlet axis 240 is equal with the internal diameter of inner sleeve 320,
It is possible thereby to guarantee that gushing arm seat water inlet axis 240 is equal with the water velocity in inner sleeve 320, to prevent water speed in gushing arm seat
200 influence gushing arm seat 200 with the mutation of the junction of ball assembly 300 and stationarity when gushing arm 100 relatively rotates.
The gushing arm seat ball grooves 270 for being suitable for cooperating with ball 330 are provided on the inner peripheral surface of gushing arm seat peripheral wall 250.
Further, the inner sleeve ball grooves 321 for being suitable for cooperating with ball 330 are provided on the outer peripheral surface of inner sleeve 320,
Inner sleeve ball grooves 321 and gushing arm seat ball grooves 270 are circumferential annular groove, it is possible thereby to guarantee the whole circle rotation of gushing arm 100
Smoothness.To be in rolling contact between ball 330 and inner sleeve ball grooves 321, gushing arm seat ball grooves 270, friction is small.Having
In body embodiment, inner sleeve ball grooves 321, gushing arm seat ball grooves 270 diameter can be equal with the diameter of ball 330, or
The diameter of ball 330 can also be slightly larger than, thus can guarantee ball 330 and inner sleeve ball grooves 321, gushing arm seat ball grooves 270
No-float.
Further, referring to Fig.1 shown in 0, in the central axial direction of gushing arm connector sleeve 120, gushing arm seat ball grooves
270, inner sleeve ball grooves 321, the position of ball hole 350 are corresponding, and ball 330 is partially disposed in ball hole 350, ball
330 outside is contacted with gushing arm seat ball grooves 270, and the inside of ball 330 is contacted with inner sleeve ball grooves 321, to complete to spray
The connection of arm seat 200 and inner sleeve 320, and inner sleeve 320 is fixedly connected with gushing arm 100, and then completes gushing arm 100 and gushing arm
Seat 200 is indirectly connected with.Gushing arm seat ball grooves 270, inner sleeve ball grooves 321, the position of ball hole 350 are corresponding, can be to prevent
When only gushing arm 100 rotates, the track of track and gushing arm seat ball grooves 270 and inner sleeve ball grooves 321 that ball 330 is slided
Difference causes gushing arm 100 that can not rotate to be squeezed.
In addition, ball external screw thread 340 and inner sleeve ball grooves 321 are arranged on the outer peripheral surface of inner sleeve 320, and inner sleeve
The lower section of ball external screw thread 340 is arranged in cylinder ball grooves 321, and inner sleeve 320 is with the fixed bit of gushing arm 100 setting in upper as a result,
Side, inner sleeve 320 and the cooperation position of gushing arm seat 200 are located below, thus take full advantage of height space, prevent gushing arm 100
It is too big that the axial dimension at cooperation is connect with gushing arm seat 200.
Further, the top of gushing arm seat ring wall 260 is arranged in inner sleeve 320 and outer sleeve 310, as a result, gushing arm seat ring
Wall 260 can play a certain protective role ball assembly 300, and ball assembly 300 is prevented to be exposed to outer and influence ball assembly
300 service life.Gap between the lower surface of inner sleeve 320 and the upper surface of gushing arm seat ring wall 260 is L1, and L1, which meets, to close
Be formula: 0mm < L1≤0.5mm can be to avoid inner sleeve 320 as a result, when gushing arm 100 and gushing arm seat 200 relatively rotate
Lower surface and the upper surface of gushing arm seat ring wall 260 between contact and sliding friction occur, that is to say, that inner sleeve 320 and spray
Without friction between arm seat 200, in addition, gap between the lower surface of inner sleeve 320 and the upper surface of gushing arm seat ring wall 260 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, and when gushing arm 100 tilts, inner sleeve 320 can be contacted quickly with gushing arm seat 200, to avoid
Gushing arm 100 further tilts, and can also enter between inner sleeve 320 and gushing arm seat ring wall 260 to avoid dilutional hyponatremia and lead to water
Power loss.
It is provided with floor (not shown) between the outer peripheral surface and gushing arm seat ring wall 260 of gushing arm seat water inlet axis 240, with this
Increase the structural strength and rigidity of gushing arm seat 200, thus effectively prevent when 100 high-speed rotation of gushing arm gushing arm seat 200 occur fracture,
Damage, is conducive to extend the service life of gushing arm component 1000.
Referring to Fig. 3-Fig. 4, shown in Fig. 9-Figure 10, gushing arm 100 may include: gushing arm ontology 110 and gushing arm connector sleeve 120,
The downside of gushing arm ontology 110 is arranged in gushing arm connector sleeve 120, by the way that gushing arm connector sleeve 120 is arranged, facilitates gushing arm 100 and spray
Arm seat 200 connects, and ensure that gushing arm 100 can be reliably connected as one with gushing arm seat 200.
There is the gushing arm chamber 130 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 280 that arm chamber 130 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 280
Enter in gushing arm chamber 130 sharply, and then water is ejected into tableware surface through the hole for water spraying on gushing arm 100, to complete cleaning meal
The operation of tool.Gushing arm chamber 130 is continued into dampening, the hydraulic pressure in gushing arm chamber 130 is higher and higher, at this time from gushing arm
Reaction force caused by the water column that 100 drive holes spray is also bigger, and the speed that gushing arm 100 rotates is also faster, meanwhile, it sprays
Water column pat that power on tableware is also bigger, be conducive to the spot cleaned on tableware, therefore by setting gushing arm chamber 130,
It can guarantee that the washing effect of dish-washing machine is preferable.The water column direction and position that gushing arm 100 is ejected on tableware are multidirectional, reductions
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, when being conducive to shorten cleaning
Between.
The inner peripheral surface of gushing arm connector sleeve 120 is arranged in gushing arm internal screw thread 121, as shown in figure 4, in outer sleeve 310 and gushing arm
Screw thread 121 is spirally connected fixation;As shown in Figure 10, inner sleeve 320 and gushing arm internal screw thread 121 are spirally connected fixation.
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 330 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 330 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 330 is avoided to get rusty.
In some unshowned embodiments, ball 330 be may be provided between outer sleeve 310 and inner sleeve 320, that is,
It says, does not open up ball hole 350 on outer sleeve 310 and inner sleeve 320, be provided with outer sleeve on the inner peripheral surface of outer sleeve 310
Ball grooves 313 are provided with inner sleeve ball grooves 321, the outside of ball 330 and outer sleeve ball on the outer peripheral surface of inner sleeve 320
Slot 313 is in rolling contact, and inside and the inner sleeve ball grooves 321 of ball 330 are in rolling contact, and gushing arm 100 and spray equally may be implemented
The rolling of arm seat 200 connects, and is rolling friction between gushing arm 100 and gushing arm seat 200, is conducive to reduce hydrodynamic force consumption, thus
Promote the clean ability of gushing arm component 1000.
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 (14)
1. a kind of gushing arm component characterized by comprising
Gushing arm, the gushing arm have gushing arm internal 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: outer sleeve, inner sleeve and ball, and the outer sleeve is set in the outside of the inner sleeve, the outer sleeve or described
The ball external screw thread with the gushing arm screw-internal thread fit is provided on inner sleeve.
2. gushing arm component according to claim 1, which is characterized in that be provided with multiple ball holes, institute on the inner sleeve
Ball is stated to be mounted in the ball hole, the ball the inner sleeve the inner peripheral surface for radially protruding the inner sleeve and
Outer peripheral surface, the ball external screw thread are arranged on the outer peripheral surface of the outer sleeve.
3. gushing arm component according to claim 2, which is characterized in that the gushing arm seat includes: gushing arm seat ontology, the spray
The gushing arm seat ball grooves being suitable for the ball engagement are provided on the outer peripheral surface of arm seat ontology.
4. 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 outer sleeve ball grooves of the ball engagement, the outer sleeve ball grooves, the gushing arm seat ball grooves are circumferential annular groove.
5. 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.
6. the gushing arm component according to claim 3 or 5, which is characterized in that the gushing arm seat further include: along the gushing arm seat
The gushing arm seat flange of ontology to extend radially outwardly, the lower section of the gushing arm seat ontology is arranged in the gushing arm seat flange, described
Multiple floors are provided between the outer peripheral surface of gushing arm seat ontology and the gushing arm seat flange.
7. gushing arm component according to claim 2, which is characterized in that the bottom of the inner sleeve is arranged in the ball hole
Portion, the ball hole are to form ball at major arc hole and bottom notch to pick and place mouth.
8. gushing arm component according to claim 1, which is characterized in that be provided with multiple ball holes, institute on the outer sleeve
Ball is stated to be mounted in the ball hole, the ball the outer sleeve the inner peripheral surface for radially protruding the outer sleeve and
Outer peripheral surface, the ball external screw thread are arranged on the outer peripheral surface of the inner sleeve.
9. gushing arm component according to claim 8, which is characterized in that the gushing arm seat includes: gushing arm seat water inlet axis, gushing arm
Seat peripheral wall and the gushing arm seat ring wall being arranged between the gushing arm seat water inlet axis, the gushing arm seat peripheral wall, the gushing arm seat week
The top of the gushing arm seat ring wall is arranged in wall, and the lower section of the gushing arm seat ring wall is arranged in the gushing arm seat water inlet axis, described
The gushing arm seat ball grooves being suitable for the ball engagement are provided on the inner peripheral surface of gushing arm seat peripheral wall.
10. gushing arm component according to claim 9, which is characterized in that the internal diameter of gushing arm seat water inlet axis with it is described interior
The internal diameter of sleeve is equal.
11. gushing arm component according to claim 9, which is characterized in that be provided with and be suitable on the outer peripheral surface of the inner sleeve
With the inner sleeve ball grooves of the ball engagement, the inner sleeve ball grooves and the gushing arm seat ball grooves are circumferential annular
Slot.
12. gushing arm component according to claim 9, which is characterized in that the inner sleeve and the outer sleeve are arranged in institute
The top of gushing arm seat ring wall is stated, and the gap between the lower surface of the inner sleeve and the upper surface of the gushing arm seat ring wall is
L1, L1 meet relational expression: 0mm < L1≤0.5mm.
13. the gushing arm component according to claim 2 or 8, which is characterized in that the gushing arm includes: gushing arm ontology and gushing arm
Connector sleeve, gushing arm connection are set on the downside of the gushing arm ontology, in the gushing arm connector sleeve and the gushing arm ontology
Gushing arm chamber with connection, has the gushing arm seat chamber with the gushing arm chamber in the gushing arm seat, in the gushing arm
The inner peripheral surface of the gushing arm connector sleeve is arranged in screw thread.
14. a kind of washing electric appliance, which is characterized in that including gushing arm component according to claim 1 to 13.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821401305.3U CN208973737U (en) | 2018-08-28 | 2018-08-28 | Gushing arm component and washing electric appliance with it |
EP19855309.1A EP3845111A1 (en) | 2018-08-28 | 2019-07-01 | Spraying arm assembly and washing electric appliance having same |
PCT/CN2019/094275 WO2020042752A1 (en) | 2018-08-28 | 2019-07-01 | Spraying arm assembly and washing electric appliance having same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821401305.3U CN208973737U (en) | 2018-08-28 | 2018-08-28 | Gushing arm component and washing electric appliance with it |
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Publication Number | Publication Date |
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CN208973737U true CN208973737U (en) | 2019-06-14 |
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CN201821401305.3U Active CN208973737U (en) | 2018-08-28 | 2018-08-28 | Gushing arm component and washing electric appliance with it |
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CN (1) | CN208973737U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2020042752A1 (en) * | 2018-08-28 | 2020-03-05 | 佛山市顺德区美的洗涤电器制造有限公司 | Spraying arm assembly and washing electric appliance having same |
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2018
- 2018-08-28 CN CN201821401305.3U patent/CN208973737U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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WO2020042752A1 (en) * | 2018-08-28 | 2020-03-05 | 佛山市顺德区美的洗涤电器制造有限公司 | Spraying arm assembly and washing electric appliance having same |
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Effective date of registration: 20230609 Address after: 241000 west side of 3 / F, No.5 office building, new energy and new materials gathering area, Fuzhou Road, Jiangbei District, Wuhu City, Anhui Province Patentee after: Wuhu Midea intelligent kitchen electricity Manufacturing Co.,Ltd. Address before: 528311 20 Beijiao Road, Beijiao Town, Shunde District, Foshan, Guangdong Patentee before: FOSHAN SHUNDE MIDEA WASHING APPLIANCES MANUFACTURING Co.,Ltd. Patentee before: MIDEA GROUP Co.,Ltd. |