CN104887162A - Spraying arm assembly for dish washing machine - Google Patents

Spraying arm assembly for dish washing machine Download PDF

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Publication number
CN104887162A
CN104887162A CN201510364511.6A CN201510364511A CN104887162A CN 104887162 A CN104887162 A CN 104887162A CN 201510364511 A CN201510364511 A CN 201510364511A CN 104887162 A CN104887162 A CN 104887162A
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CN
China
Prior art keywords
spray arm
guide cylinder
thrust
catch
locating slot
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Granted
Application number
CN201510364511.6A
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Chinese (zh)
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CN104887162B (en
Inventor
曹红奎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhu Midea Smart Kitchen Appliance Manufacturing Co Ltd
Original Assignee
Midea Group Co Ltd
Foshan Shunde Midea Washing Appliances Manufacturing Co Ltd
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Priority to CN201510364511.6A priority Critical patent/CN104887162B/en
Publication of CN104887162A publication Critical patent/CN104887162A/en
Application granted granted Critical
Publication of CN104887162B publication Critical patent/CN104887162B/en
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Abstract

The invention discloses a spraying arm assembly for a dish washing machine. The spraying arm assembly comprises a spraying arm and a rotating stopping plate, wherein a hollow cavity is formed in the spraying arm; a water feeding hole for feeding water, a first thrust spraying hole for pushing the spraying arm to rotate in the first direction, and a second thrust spraying hole for pushing the spraying arm to rotate in the second direction are formed in the spraying arm, wherein the second direction is opposite to the first direction; the rotating stopping plate is rotatably arranged into the spraying arm and can be switched between the first state and the second state; when the rotating stopping plate is in the first state, the first thrust spraying hole is blocked and the hollow cavity and the second thrust spraying hole can be communicated; when the rotating stopping plate is in the second state, the second thrust spraying hole can be blocked and the hollow cavity and the first thrust spraying hole can be communicated. According to the spraying arm assembly, the rotating stopping plate can be simply rotated to enable the spraying arm to rotate in the first direction or the second direction; the control is convenient; the spraying arm is stable to rotate.

Description

For the spray arm assembly of dish-washing machine
Technical field
The present invention relates to washing technical field of electric appliances, particularly a kind of spray arm assembly for dish-washing machine.
Background technology
Domestic bowl-washing is a kind of intelligent electrical apparatus that can replace manual cleaning tableware being applicable to average family.As a rule, water pump for dish-washing machine cyclically carries water to arrive each spray arm, and spray arm rotates the current ejecting HTHP, carries out omnibearing flush clean to tableware, add simultaneously wetting, decompose, soak the comprehensive functions such as expanded, reach clean and degerming double effects.
Under current most cases, in dish-washing machine, the horizontal rotatio direction of spray arm is fixing, namely spray arm all the time in the same direction (as counterclockwise) rotate, the direction and the angle changing rate that make to rinse tableware are single.This single backwashing manner easily causes there will be deficient washing location between tableware, and effect is cleaned in impact.
Summary of the invention
The present invention is intended to solve one of technical problem in correlation technique at least to a certain extent.For this reason, the invention reside in and propose a kind of spray arm assembly for dish-washing machine, spray arm bidirectional rotation can be realized.
According to the spray arm assembly for dish-washing machine of the embodiment of the present invention, comprise: spray arm, hollow cavity is limited with in described spray arm, and described spray arm is provided with inlet opening for intaking, for promoting the first thrust spray orifice that spray arm rotates along first direction and for promoting the second thrust spray orifice that spray arm rotates along second direction, described second direction is the opposite direction of first direction; Rotate catch, described rotation catch is rotatably located in described spray arm and also changes between a first state and a second state, first thrust spray orifice described in shutoff when described rotation catch is in described first state also connects described hollow cavity and described second thrust spray orifice, and the second thrust spray orifice described in shutoff when described rotation catch is in described second state also connects described hollow cavity and described first thrust spray orifice.
According to the spray arm assembly for dish-washing machine of the embodiment of the present invention, catch realization is rotated from the first thrust spray orifice or the second thrust spray orifice water spray by rotating, only needing to rotate rotation catch can make spray arm rotate along first direction or second direction, and it is convenient to control, and the stable rotation of spray arm.
In addition, the spray arm assembly for dish-washing machine according to the above embodiment of the present invention, can also have following additional technical characteristic:
According to one embodiment of present invention, the medial surface of the roof of described spray arm is formed and extends along the vertical direction and upper end closed open at its lower end the first rounded guide cylinder, described first thrust spray orifice and described second thrust spray orifice to be positioned at inside described first guide cylinder and relative to described first guide cylinder eccentric setting, described rotation catch is rotatably set on the inner peripheral surface of described first guide cylinder, described rotation catch is formed with water hole, on the roof rotating catch described in described first state and be attached to described first guide cylinder and described water hole is communicated with described second thrust spray orifice, on the roof rotating catch described in described second state and be attached to described first guide cylinder and described water hole is communicated with described first thrust spray orifice.
According to one embodiment of present invention, described first guide cylinder of a part for the roof of described spray arm formation protruding upward.
According to one embodiment of present invention, described rotation catch is located in described first guide cylinder being adjacent between the roof of described first guide cylinder and the position away from the roof of described first guide cylinder along the vertical direction movably, described rotation catch is often in the position of the roof away from described first guide cylinder, and described spray arm assembly also comprises for guiding described rotation catch to rotate with the guider making described rotation catch change between a first state and a second state when described rotation catch moves up and down.
According to one embodiment of present invention, described guider comprises: the second guide cylinder, described second guide cylinder extends along the vertical direction, the inner peripheral surface of described second guide cylinder is formed with annular guide channel, described annular guide channel comprises high-order locating slot, link slot and the low level locating slot lower than described high-order locating slot, the circumferential interval that described high-order locating slot and described low level locating slot are along described second guide cylinder is furnished with multiple, described low level locating slot and interlaced arrangement identical with described high-order locating slot number, downward-extension on described link slot is also connected in series adjacent described high-order locating slot and described low level locating slot, slide block, described slide block and described rotation catch affixed, and described slide block be located at least partially slidably in described gathering sill, described slide block be one or circumference along described rotation catch spaced apart multiple, wherein, when when described slide block coordinates with the part in multiple described high-order locating slot, described rotation catch is in described first state and coordinates with another part, described rotation catch is in described second state.
According to one embodiment of present invention, in two often adjacent link slots, the upper end of is with corresponding described high-order locating slot consistency from top to bottom and another lower end and corresponding low level locating slot consistency from top to bottom.
According to one embodiment of present invention, any one in described high-order locating slot and the described low level locating slot circumferential uniform intervals included along described second guide cylinder six of arranging, the described water hole circumferential uniform intervals comprised along described rotation catch three of arranging.
According to one embodiment of present invention, described second guide cylinder is located in the diapire of described spray arm and roof, or described second guide cylinder overlaps with described first guide cylinder.
According to one embodiment of present invention, the spring be often in by the state compressed is provided with between the roof of described rotation catch and described first guide cylinder.
According to one embodiment of present invention, described inlet opening is formed in the middle part of described spray arm, the two ends of described spray arm are all formed with described first thrust spray orifice and the second thrust spray orifice, and the two ends of described spray arm are provided with rotation catch corresponding with the described first thrust spray orifice at described spray arm two ends and described second thrust spray orifice respectively, upwards and tilt to extend towards described second direction, described second thrust spray orifice upwards and tilt to extend towards described first direction for described first thrust spray orifice.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of the spray arm assembly for dish-washing machine of one embodiment of the invention.
Fig. 2 is the sectional view of the spray arm assembly for dish-washing machine of one embodiment of the invention.
Fig. 3 be the rotation catch 12 of the spray arm assembly for dish-washing machine of one embodiment of the invention be in away from the roof of the first guide cylinder position time the partial schematic diagram of sectional view.
Fig. 4 is the partial schematic diagram of the rotation catch 12 of the spray arm assembly for dish-washing machine of one embodiment of the invention sectional view when being in the position of the roof being adjacent to the first guide cylinder.
Fig. 5 is the partial schematic diagram of the spray arm bottom sheet of the spray arm assembly for dish-washing machine of one embodiment of the invention.
Fig. 6 is the partial schematic diagram of the deployed condition of the annular guide channel of the spray arm assembly for dish-washing machine of one embodiment of the invention.
Fig. 7 is the schematic diagram of the rotation catch of the spray arm assembly for dish-washing machine of one embodiment of the invention.
Reference numeral:
Spray arm assembly 1,
Spray arm 11, inlet opening 101, the first thrust spray orifice 102, second thrust spray orifice 103, hollow cavity 104, washing hole 107, the first guide cylinder 111, spray arm bottom sheet 112, spray arm upper slice 113,
Rotate catch 12, water hole 105, sleeve 121,
Guider 13, annular guide channel 106, high-order locating slot 1061, low level locating slot 1062, link slot 1063, the second guide cylinder 131, slide block 132, spring 133.
Detailed description of the invention
Be described below in detail embodiments of the invention, the example of described embodiment is shown in the drawings, and wherein same or similar label represents same or similar element or has element that is identical or similar functions from start to finish.Be exemplary below by the embodiment be described with reference to the drawings, be intended to for explaining the present invention, and can not limitation of the present invention be interpreted as.
Composition graphs 1 to Fig. 4, according to the spray arm assembly 1 for dish-washing machine of the embodiment of the present invention, comprising: spray arm 11 and rotation catch 12.
Specifically, hollow cavity 104 is limited with in spray arm 11, and spray arm 11 is provided with inlet opening 101, first thrust spray orifice 102 and the second thrust spray orifice 103, inlet opening 101, first thrust spray orifice 102 is communicated with hollow cavity 104 respectively with the second thrust spray orifice 103, wherein, inlet opening 101 is for water inlet; First thrust spray orifice 102 rotates along first direction (the direction A with reference in Fig. 1) for promoting spray arm 11, and that is, current spray promotion spray arm 11 from the first thrust spray orifice 102 and rotate along first direction; Second thrust spray orifice 103 rotates along second direction (the direction B with reference in Fig. 1) for promoting spray arm 11, and that is, current spray promotion spray arm 11 from the second thrust spray orifice 103 and rotate along second direction.Wherein second direction is the opposite direction of first direction.
Rotate catch 12 to be rotatably located in spray arm 11, and rotation catch 12 is changed between a first state and a second state.Rotate shutoff first thrust spray orifice 102 when catch 12 is in the first state and connect hollow cavity 104 and the second thrust spray orifice 103, making the water in hollow cavity 104 spray to drive spray arm 11 to rotate along second direction from the second thrust spray orifice 103; Rotate shutoff second thrust spray orifice 103 when catch 12 is in the second state and connect hollow cavity 104 and the first thrust spray orifice 102, making the water in hollow cavity 104 spray to drive spray arm 11 to rotate along first direction from the first thrust spray orifice 102.
According to the spray arm assembly 1 of the embodiment of the present invention, realize spraying water from the first thrust spray orifice 102 or the second thrust spray orifice 103 by rotating rotation catch 12, only needing to rotate rotation catch 12 can make spray arm 11 rotate along first direction or second direction, and it is convenient to control, and the stable rotation of spray arm 11.
In addition, the structure of spray arm assembly 1 is simple, is easy to assembling and controls, not only can simplify the control procedure of spray arm assembly 1, and can simplify the dismounting of spray arm assembly 1, thus facilitate the I& M of spray arm assembly 1.
Spray arm 11 of the present invention can realize positive and negative bidirectional rotation, and such tableware will be subject to washing away of the multiple angle of both direction, spills and reflects, better enough and and each position covered on tableware, thus can realize cleaning effect thoroughly more comprehensively.
Can rotation catch 12 directly be abutted on the inner roof wall of spray arm 11, and realize rotating catch 12 conversion between a first state and a second state by rotating, in addition, can rotation be stablized to make rotation catch 12, the present invention is provided with the first guide cylinder 111 in spray arm 11, specific as follows.
As shown in Figure 3 and Figure 4, in some embodiments of the invention, the medial surface of the roof of spray arm 11 is formed and extends along the vertical direction and the first rounded guide cylinder 111, the upper end closed of the first guide cylinder 111 and open at its lower end, on the roof that first thrust spray orifice 102 and the second thrust spray orifice 103 are located at the first guide cylinder 103 and relative to the first guide cylinder 111 eccentric setting, that is, first thrust spray orifice 102 and the second thrust spray orifice 103 are located at the inner side of the first guide cylinder 111, and the first thrust spray orifice 102 and the second thrust spray orifice 103 are not all located on the axis of the first guide cylinder 111.Rotating catch 12 is rotatably set on the inner peripheral surface of the first guide cylinder 111, rotates on catch 12 and is formed with water hole 105.In the first state, rotate catch 12 and be attached on the roof of the first guide cylinder 111, and water hole 105 is communicated with the second thrust spray orifice 103, and close the first thrust spray orifice 102; In the second state, rotate catch 12 and be attached on the roof of the first guide cylinder 111, and water hole 105 is communicated with the first thrust spray orifice 102.Thus conveniently drive spray arm 11 to rotate and reverse by the first thrust spray orifice 102 and the second thrust spray orifice 103.
Preferably, with reference to Fig. 1, the part formation first protruding upward guide cylinder 111 of the roof of spray arm 11.Improve the space availability ratio in spray arm 11, and facilitate the shaping of the first guide cylinder 111.
Further, with reference to Fig. 3 and Fig. 4, rotating catch 12 is located in the first guide cylinder 111 being adjacent between the roof of the first guide cylinder 111 and the position away from the roof of the first guide cylinder 111 along the vertical direction movably, wherein, Fig. 3 shows and rotates catch 12 and be in roof away from the first guide cylinder 111, Fig. 4 shows and rotates catch 12 and be in the roof that is adjacent to the first guide cylinder 111 and now rotate catch 12 and be in the first state or the second state, rotate the position that catch 12 is often in the roof away from the first guide cylinder 111, and spray arm assembly 1 also comprises for guiding the guider 13 rotating catch 12 and rotate when rotating catch 12 and moving up and down.Therefore, rotate catch 12 to move up and down in the first guide cylinder 111, and move up and down in process at rotation catch 12, guide rotation catch 12 to rotate by guider 13, thus change between a first state and a second state when rotating catch 12 and moving up and down.
In addition, when rotation catch 12 is in the position away from the roof of the first guide cylinder 111, if water inlet in spray arm 11, owing to rotating the top pressure less (the first thrust spray orifice 102 and the second thrust spray orifice 103 have pressure release effect) of catch 12, and the comparatively large (source pressure of the below pressure rotating catch 12, the such as water source of washing pump pumping), make to rotate catch 12 can move up, now, under the guiding function of guider 13, rotate catch 12 will rotate, rotation catch 12 is made to be in the first state or the second state, rotate the position that catch 12 is often in the roof away from the first guide cylinder 111 in addition, that is, when there is no water flowing in hollow cavity 104, rotate the position of roof that catch 12 will be in away from the first guide cylinder 111, therefore, if stopped to water flowing in hollow cavity 104, rotate the position of roof that catch 12 will move to away from the first guide cylinder 111, drive when waiting for hollow cavity 104 interior water inlet next time, and upper once intake time drive conversion equipment, spray arm 11 is reversely rotated, thus realize driving the object rotating catch 12 and change between a first state and a second state.
Further, composition graphs 2 to Fig. 7, guider 13 comprises: the second guide cylinder 131 and slide block 132.Specifically, second guide cylinder 131 extends along the vertical direction, the inner peripheral surface of the second guide cylinder 131 is formed with annular guide channel 106, annular guide channel 106 comprises high-order locating slot 1061, low level locating slot 1062 and link slot 1063, high-order locating slot 1061 is for be furnished with multiple along the second circumferential interval of guide cylinder 131, low level locating slot 1062 is for be furnished with multiple along the second circumferential interval of guide cylinder 131, the position of low level locating slot 1062 is lower than high-order locating slot 1061, and low level locating slot 1062 and interlaced arrangement identical with high-order locating slot 1061 number, downward-extension on link slot 1063 is also connected in series adjacent high-order locating slot 1061 and low level locating slot 1062.Slide block 132 with to rotate catch 12 affixed, and slide block 132 be located in gathering sill at least partially slidably, slide block 132 is one or spaced apart multiple along the circumference rotating catch 12.
Preferably, high-order locating slot 1061 is located at the upper end of the second guide cylinder 131, and low level locating slot 1062 is located at the lower end of the second guide cylinder 131.
In addition, when slide block 132 coordinates with the part in multiple high-order locating slot 1061, rotate catch 12 and be in the first state; When slide block 132 coordinates with the another part in multiple high-order locating slot 1061, rotate catch 12 and be in the second state.Such as, to rotate a slide block on catch 12 as with reference to object, time in the part of this slider containment in multiple high-order locating slot 1061, rotate catch 12 and be in the first state; Time in this slider containment another part in multiple high-order locating slot 1061, rotate catch 12 and be in the second state.
Slide block 132 switches realization rotation catch 12 at different high-order locating slots 1061 to be changed between a first state and a second state.
Specifically, under original state, rotate the position that catch 12 is in the roof away from the first guide cylinder 111, slide block 132 is positioned at low level locating slot 1062 place, with reference to Fig. 3; If water inlet in spray arm 11, rotate on catch 12 and move, slide block 132 will slide into an adjacent high-order locating slot 1061 along link slot 1063, due to low level locating slot 1062 and interlaced arrangement identical with high-order locating slot 1061 number, rotate catch 12 will rotate, rotation catch 12 is made to be in the first state or the second state, with reference to Fig. 4; If stopped to water flowing in hollow cavity 104, rotate the position of roof that catch 12 will move to away from the first guide cylinder 111, drive when waiting for hollow cavity 104 interior water inlet next time, thus the object that realization drives rotation catch 12 to change between a first state and a second state.
Preferably, with reference to Fig. 6, in order to make, rotation catch 12 is stable in one direction to be rotated, that is, rotation catch 12 is rotated with upper the stablizing of in counter clockwise direction in the clockwise direction, the upper end of one in two often adjacent link slots 1063 and corresponding high-order locating slot 1061 consistency from top to bottom, and another lower end in two often adjacent link slots 1063 and corresponding low level locating slot 1062 consistency from top to bottom.Move up and down in process at slide block 132, slide block 132 can slip in the link slot 1063 that aligns with it easily, thus can realize driving and rotate the stable object rotated of catch 12.
Further, with reference to Fig. 6, any one in high-order locating slot 1061 and the low level locating slot 1062 circumferential uniform intervals included along the second guide cylinder 131 six of arranging, water hole 105 comprises three that arrange along the circumferential uniform intervals rotating catch 12.Wherein, described high-order locating slot 1061 refers to along the circumferential uniform intervals layout of the second guide cylinder 131: along in the multiple high-order locating slot 1061 of layout of the second guide cylinder 131, the central angle that the circular arc between often adjacent two high-order locating slots 1061 is corresponding is all equal.In addition, the position of multiple low level locating slot 1062 and multiple water hole 105 can with reference to aforementioned description.Can make to rotate catch 12 so stably to change between a first state and a second state, and it is less to rotate each anglec of rotation of catch 12, reduces the resistance rotated in catch 12 rotary course, makes the smooth rotation of rotation catch 12.
Further, with reference to Fig. 3, rotate between catch 12 and the roof of the first guide cylinder 111 and be provided with the spring 133 be often in by the state compressed.
Preferably, with reference to Fig. 3, rotate catch 12 and be provided with to downward-extension and the sleeve 121 of open upper end, lower end closed, one end of spring 133 is connected with the roof of spray arm 11 and the other end stretches in sleeve 121.Make to rotate the position that catch 12 often can be in the roof away from the first guide cylinder 111, and the sealing property of spray arm assembly 1 can not be affected.
With reference to Fig. 3 and Fig. 4, in some embodiments of the invention, the second guide cylinder 131 is located on the diapire of spray arm 11.
Preferably, with reference to Fig. 3, rotate spray arm 11 be provided with to downward-extension and with the sleeve 121 of the second guide cylinder 131 adaptation, slide block 132 is installed on sleeve 121.Further, the circumferential size rotating catch 12 is greater than the peripheral dimension of the second guide cylinder 131.Can make to rotate catch 12 two-way pressure so inconsistent, rotate when facilitating spray arm 11 to intake on catch 12 and move.
In addition, the second guide cylinder 131 can also be located on the roof of spray arm 11, or the second guide cylinder 131 overlaps with the first guide cylinder 111.Wherein, the second guide cylinder 131 overlaps with the first guide cylinder 111 and refers to, annular guide channel 106 is formed on the inner peripheral surface of the first guide cylinder 111.
The two-way rotating spray arm of spray arm assembly 1 of the present invention needs to switch runner, without the need to adopting the parts such as magnetic valve, not needing to use magnetic valve and corresponding wiring and control, decreases parts and make structure more simple, improve its practicality.
Certainly, the present invention uses magnetic valve, motor etc. to drive rotation catch 12 to rotate and also can realize Double-directional rotary.
See figures.1.and.2, in some embodiments of the invention, inlet opening 101 is formed in the middle part of spray arm 11, the two ends of spray arm 11 are all formed with the first thrust spray orifice 102 and the second thrust spray orifice 103, and the two ends of spray arm 11 are provided with rotation catch 12 corresponding with the first thrust spray orifice 102 at spray arm 11 two ends and the second thrust spray orifice 103 respectively.
First thrust spray orifice 102 upwards and towards second direction tilt extend, the second thrust spray orifice 103 upwards and towards first direction tilt extend.To improve the thrust to spray arm 11, make spray arm 11 smooth rotation.
Composition graphs 1 to Fig. 7, in order to reach the object of easy switching spray arm rotating, the present invention proposes a kind of spray arm assembly 1, achieving the positive and negative bidirectional rotation of same supply channel lower spraying arm, and the rapid and convenient achieving rotating switches, and has very strong practicality and generalization.
Particularly, the technical scheme that the present invention proposes is as follows: a kind of spray arm assembly 1, comprises spray arm bottom sheet 112, spray arm upper slice 113, spring 133 and rotates catch 12.Wherein, hollow cavity 104 is limited between spray arm bottom sheet 112 and spray arm upper slice 113, spray arm assembly 1 is connected with dish-washing machine water system, and rotation catch 12 and spring 133 are built between the fluctuating plate of spray arm 11, and rotating catch 12 can vertically move back and forth and horizontally rotate.
Particularly, spray arm assembly 1 has inlet opening 101, and spray arm 11 upper slice offers washing hole 107, wherein, being positioned at four thrust spray orifices that two ends have certain angle, except having washing function, still having driving effect, in order to promote spray arm 11 bidirectional rotation.
Further, rotate catch 12 and realize handoff functionality, rotate catch 12 and have three water holes 105, when water hole 105 is communicated with the first thrust spray orifice 102 at spray arm 11 two ends, the second thrust spray orifice 103 is stopped, i.e. the first thrust spray orifice 102 water outlet, second thrust spray orifice 103 not water outlet, the current that the ejection of spray arm assembly 1 two ends is reverse each other, produce into a moment of couple, promote spray arm 11 and rotate along first direction; When rotation catch 12 rotates 60 °, the first thrust spray orifice 102 now on spray arm 11 is stopped, second thrust spray orifice 103 is communicated with, i.e. the first thrust spray orifice 102 not water outlet, the second thrust spray orifice 103 water outlet, namely water outlet direction becomes oppositely, the ejection of spray arm assembly 1 two ends sprays current reverse each other again, produce into a moment of couple, promote spray arm and rotate along second direction, realize forward and reverse rotation.
Again further, spray arm bottom sheet 112 two ends are provided with column second guide cylinder 131.Rotate catch 12 and be provided with three cylinder slide blocks 132, slide block 132 will slide along the second guide cylinder 131, its direction of motion is as shown in Figure 6 shown in middle arrow, and six high-order locating slots 1061 and six low level locating slots 1062 in the second guide cylinder 131 will be rested in, distance between high-order locating slot 1061 and low level locating slot 1062 is exactly the stroke that rotation catch 12 moves up and down, more crucially, in the process that slide block 132 slides up and down along the second guide cylinder 131, rotate catch 12 can rotate clockwise spasmodically, be specially: come downwards to extreme lower position at rotation catch 12 from extreme higher position and then move in the process of extreme higher position from extreme lower position again, rotate catch 12 and turn over 60 degree by under the guide effect of guider 13.
Finally, the motion mode of whirligig provided by the invention is described below: during beginning, rotates catch 12 and rests in extreme lower position; When pump operation supplies water, promotion is rotated catch 12 and goes upward to along the second guide cylinder 131 and be parked in extreme higher position by hydraulic pressure effect, now rotate catch 12 and will turn over 30 degree, connect the first thrust spray orifice 102 that spray arm upper slice 113 is distributed in spray arm two ends respectively, now water will flow into inlet opening 101, then by washing hole 107 and the first thrust spray orifice 102, spray arm 11 is driven to turn clockwise; Afterwards, when water pump break-off, rotating catch 12 will be displaced downwardly to extreme lower position stop at spring 133 and self gravitation effect, now rotate catch 12 and will turn over 60 degree relative to position during beginning; Then, when water pump is reworked, promotion is rotated catch 12 and moves to and be parked in extreme higher position by hydraulic pressure effect, now rotates catch 12 and will turn over 90 degree relative to position during beginning, thus the second thrust spray orifice 103 connected on spray arm upper slice 113, drive spray arm 11 to transfer to and be rotated counterclockwise.After this, when water pump suspends again, rotating catch 12 will get back to extreme lower position again, so far namely complete spray arm 11 rotating circulation, time more at the beginning now, rotate catch 12 and will just have turned over 120 degree, and complete moving up and down of two cycles.Therefore, along with time-out and the work of water pump, by rotating the switching of catch 12 pairs of thrust spray orifices, spray arm 11 will constantly carry out the switching of positive and negative bidirectional rotation.
Therefore, spray arm assembly 1 can by the time-out of water pump and work, drives to rotate catch 12 and constantly rotate, thus the thrust spray orifice selecting conducting different, makes spray arm 11 correspondingly clockwise or be rotated counterclockwise.The two-way rotating hydro-peening of same spray arm, achieves and cleans the multi-angle hydro-peening of tableware, thus reaches the object improved and clean effect.
In describing the invention, it will be appreciated that, term " " center ", " longitudinal direction ", " transverse direction ", " length ", " width ", " thickness ", " on ", D score, " front ", " afterwards ", " left side ", " right side ", " vertically ", " level ", " top ", " end " " interior ", " outward ", " clockwise ", " counterclockwise ", " axis ", " radial direction ", orientation or the position relationship of the instruction such as " circumference " are based on orientation shown in the drawings or position relationship, only the present invention for convenience of description and simplified characterization, instead of indicate or imply that the device of indication or element must have specific orientation, with specific azimuth configuration and operation, therefore limitation of the present invention can not be interpreted as.
In addition, term " first ", " second " only for describing object, and can not be interpreted as instruction or hint relative importance or imply the quantity indicating indicated technical characteristic.Thus, be limited with " first ", the feature of " second " can express or impliedly comprise at least one this feature.In describing the invention, the implication of " multiple " is at least two, such as two, three etc., unless otherwise expressly limited specifically.
In the present invention, unless otherwise clearly defined and limited, the term such as term " installation ", " being connected ", " connection ", " fixing " should be interpreted broadly, and such as, can be fixedly connected with, also can be removably connect, or integral; Can be mechanical connection, also can be electrical connection; Can be directly be connected, also indirectly can be connected by intermediary, can be the connection of two element internals or the interaction relationship of two elements, unless otherwise clear and definite restriction.For the ordinary skill in the art, above-mentioned term concrete meaning in the present invention can be understood as the case may be.
In the present invention, unless otherwise clearly defined and limited, fisrt feature second feature " on " or D score can be that the first and second features directly contact, or the first and second features are by intermediary mediate contact.And, fisrt feature second feature " on ", " top " and " above " but fisrt feature directly over second feature or oblique upper, or only represent that fisrt feature level height is higher than second feature.Fisrt feature second feature " under ", " below " and " below " can be fisrt feature immediately below second feature or tiltedly below, or only represent that fisrt feature level height is less than second feature.
In the description of this description, specific features, structure, material or feature that the description of reference term " embodiment ", " some embodiments ", " example ", " concrete example " or " some examples " etc. means to describe in conjunction with this embodiment or example are contained at least one embodiment of the present invention or example.In this manual, to the schematic representation of above-mentioned term not must for be identical embodiment or example.And the specific features of description, structure, material or feature can combine in one or more embodiment in office or example in an appropriate manner.In addition, when not conflicting, the feature of the different embodiment described in this description or example and different embodiment or example can carry out combining and combining by those skilled in the art.
Although illustrate and describe embodiments of the invention above, be understandable that, above-described embodiment is exemplary, can not be interpreted as limitation of the present invention, and those of ordinary skill in the art can change above-described embodiment within the scope of the invention, revises, replace and modification.

Claims (10)

1., for a spray arm assembly for dish-washing machine, it is characterized in that, comprising:
Spray arm, hollow cavity is limited with in described spray arm, and described spray arm is provided with inlet opening for intaking, for promoting the first thrust spray orifice that spray arm rotates along first direction and for promoting the second thrust spray orifice that spray arm rotates along second direction, described second direction is the opposite direction of first direction;
Rotate catch, described rotation catch is rotatably located in described spray arm and also changes between a first state and a second state, first thrust spray orifice described in shutoff when described rotation catch is in described first state also connects described hollow cavity and described second thrust spray orifice, and the second thrust spray orifice described in shutoff when described rotation catch is in described second state also connects described hollow cavity and described first thrust spray orifice.
2. the spray arm assembly for dish-washing machine according to claim 1, it is characterized in that, the medial surface of the roof of described spray arm is formed and extends along the vertical direction and upper end closed open at its lower end the first rounded guide cylinder, described first thrust spray orifice and described second thrust spray orifice to be positioned at inside described first guide cylinder and relative to described first guide cylinder eccentric setting, described rotation catch is rotatably set on the inner peripheral surface of described first guide cylinder, described rotation catch is formed with water hole, on the roof rotating catch described in described first state and be attached to described first guide cylinder and described water hole is communicated with described second thrust spray orifice, on the roof rotating catch described in described second state and be attached to described first guide cylinder and described water hole is communicated with described first thrust spray orifice.
3. the spray arm assembly for dish-washing machine according to claim 2, is characterized in that, described first guide cylinder of part formation protruding upward of the roof of described spray arm.
4. the spray arm assembly for dish-washing machine according to claim 2, it is characterized in that, described rotation catch is located in described first guide cylinder being adjacent between the roof of described first guide cylinder and the position away from the roof of described first guide cylinder along the vertical direction movably, described rotation catch is often in the position of the roof away from described first guide cylinder, and described spray arm assembly also comprises for guiding described rotation catch to rotate with the guider making described rotation catch change between a first state and a second state when described rotation catch moves up and down.
5. the spray arm assembly for dish-washing machine according to any one of claim 1-4, it is characterized in that, described guider comprises:
Second guide cylinder, described second guide cylinder extends along the vertical direction, the inner peripheral surface of described second guide cylinder is formed with annular guide channel, described annular guide channel comprises high-order locating slot, link slot and the low level locating slot lower than described high-order locating slot, the circumferential interval that described high-order locating slot and described low level locating slot are along described second guide cylinder is furnished with multiple, described low level locating slot and interlaced arrangement identical with described high-order locating slot number, downward-extension on described link slot is also connected in series adjacent described high-order locating slot and described low level locating slot;
Slide block, described slide block and described rotation catch affixed, and described slide block be located at least partially slidably in described gathering sill, described slide block be one or circumference along described rotation catch spaced apart multiple;
Wherein, when when described slide block coordinates with the part in multiple described high-order locating slot, described rotation catch is in described first state and coordinates with another part, described rotation catch is in described second state.
6. the spray arm assembly for dish-washing machine according to claim 5, is characterized in that, in two often adjacent link slots, the upper end of is with corresponding described high-order locating slot consistency from top to bottom and another lower end and corresponding low level locating slot consistency from top to bottom.
7. the spray arm assembly for dish-washing machine according to claim 5, it is characterized in that, any one in described high-order locating slot and the described low level locating slot circumferential uniform intervals included along described second guide cylinder six of arranging, the described water hole circumferential uniform intervals comprised along described rotation catch three of arranging.
8. the spray arm assembly for dish-washing machine according to claim 5, is characterized in that, described second guide cylinder is located in the diapire of described spray arm and roof, or described second guide cylinder overlaps with described first guide cylinder.
9. the spray arm assembly for dish-washing machine according to claim 4, is characterized in that, is provided with the spring be often in by the state compressed between the roof of described rotation catch and described first guide cylinder.
10. the spray arm assembly for dish-washing machine according to any one of claim 1-9, it is characterized in that, described inlet opening is formed in the middle part of described spray arm, the two ends of described spray arm are all formed with described first thrust spray orifice and the second thrust spray orifice, and the two ends of described spray arm are provided with rotation catch corresponding with the described first thrust spray orifice at described spray arm two ends and described second thrust spray orifice respectively, upwards and tilt to extend towards described second direction, described second thrust spray orifice upwards and tilt to extend towards described first direction for described first thrust spray orifice.
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CN110680258A (en) * 2018-07-04 2020-01-14 青岛海尔洗碗机有限公司 Dish washer spray set and dish washer
CN112294215A (en) * 2019-07-30 2021-02-02 九阳股份有限公司 Dish washer with adjustable rotation axis
CN112543610A (en) * 2018-08-29 2021-03-23 韦斯特尔电子工业和贸易有限责任公司 Dishwasher and method thereof
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CN105231970A (en) * 2015-10-23 2016-01-13 佛山市顺德区美的洗涤电器制造有限公司 Spray arm assembly used for dish-washing machine
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CN108451473A (en) * 2017-08-04 2018-08-28 施贵平 Water tank cleaner
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CN112543610A (en) * 2018-08-29 2021-03-23 韦斯特尔电子工业和贸易有限责任公司 Dishwasher and method thereof
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CN112294215A (en) * 2019-07-30 2021-02-02 九阳股份有限公司 Dish washer with adjustable rotation axis
CN112294215B (en) * 2019-07-30 2022-06-14 九阳股份有限公司 Dish washer with adjustable rotation axis
CN113040681A (en) * 2021-03-18 2021-06-29 珠海格力电器股份有限公司 Dish washing machine
CN113040681B (en) * 2021-03-18 2022-03-15 珠海格力电器股份有限公司 Dish washing machine

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Patentee before: FOSHAN SHUNDE MIDEA WASHING APPLIANCES MANUFACTURING Co.,Ltd.

Patentee before: MIDEA GROUP Co.,Ltd.