CN110859569A - Spray arm assembly and washing electric appliance with same - Google Patents
Spray arm assembly and washing electric appliance with same Download PDFInfo
- Publication number
- CN110859569A CN110859569A CN201810990361.3A CN201810990361A CN110859569A CN 110859569 A CN110859569 A CN 110859569A CN 201810990361 A CN201810990361 A CN 201810990361A CN 110859569 A CN110859569 A CN 110859569A
- Authority
- CN
- China
- Prior art keywords
- spray arm
- ball
- sleeve
- seat
- outer sleeve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000007921 spray Substances 0.000 title claims abstract description 428
- 238000005406 washing Methods 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 51
- 230000002093 peripheral effect Effects 0.000 claims description 31
- 238000005507 spraying Methods 0.000 claims description 12
- 238000005096 rolling process Methods 0.000 description 21
- 230000003313 weakening effect Effects 0.000 description 13
- 238000004140 cleaning Methods 0.000 description 8
- 230000009286 beneficial effect Effects 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000004851 dishwashing Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 239000000356 contaminant Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 235000012055 fruits and vegetables Nutrition 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
- A47L15/18—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber with movably-mounted spraying devices
- A47L15/22—Rotary spraying devices
- A47L15/23—Rotary spraying devices moved by means of the sprays
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
- A47J43/24—Devices for washing vegetables or the like
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4278—Nozzles
- A47L15/428—Rotary nozzles
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L2601/00—Washing methods characterised by the use of a particular treatment
- A47L2601/03—Pressurised, gaseous medium, also used for delivering of cleaning liquid
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Washing And Drying Of Tableware (AREA)
Abstract
The invention discloses a spray arm assembly and a washing appliance with the same. This spray arm subassembly includes: the spray arm is provided with spray arm internal threads; the spray arm seat is connected with the spray arm seat, and the spray arm can rotate relative to the spray arm seat; ball subassembly, ball subassembly set up in the cooperation department of being connected of spray arm and spray arm seat, and ball subassembly includes: the outer sleeve is sleeved outside the inner sleeve, and the outer sleeve or the inner sleeve is provided with a ball external thread matched with the spray arm internal thread. According to the spray arm assembly, the spray arm is connected with the spray arm seat through the ball assembly, so that the friction force between the spray arm and the spray arm seat can be reduced, hydrodynamic loss is reduced, the height size of the spray arm assembly can be reduced, more space is reserved for placing a piece to be cleaned, and the capacity of a washing appliance is improved.
Description
Technical Field
The invention relates to the technical field of household appliances, in particular to a spray arm assembly and a washing appliance with the same.
Background
To current spray arm subassembly say, the main mode that spray arm and spray arm seat are connected is through joint flange and buckle cooperation, but this kind of connected mode can lead to the gap between spray arm and the spray arm seat great, and when spray arm during operation, the water in the spray arm is revealed through this gap easily, influences the cleaning performance. In addition, when the spray arm and the spray arm seat generate relative motion, the friction mode between the spray arm and the spray arm seat is sliding friction, and therefore the lost hydrodynamic force is large. On the other hand, the buckle connected mode directly leads to spouting the upper and lower high dimension of arm seat and spray arm great, extravagant washing electrical apparatus's inner bag space like this, has reduced the inside space of putting of treating the washing piece of washing electrical apparatus.
Disclosure of Invention
The present invention is directed to solving, at least to some extent, one of the above-mentioned problems in the prior art. Therefore, the invention provides a spray arm assembly which can reduce the friction force between a spray arm and a spray arm seat.
The invention also provides a washing electric appliance with the spray arm assembly.
The spray arm assembly according to an embodiment of the present invention includes: a spray arm having a spray arm internal thread; the spray arm is connected with the spray arm seat, and the spray arm can rotate relative to the spray arm seat; the ball subassembly, the ball subassembly sets up spray arm with the cooperation department of being connected of spraying the arm seat, just the ball subassembly includes: the spray arm spraying device comprises an outer sleeve, an inner sleeve and balls, wherein the outer sleeve is sleeved outside the inner sleeve, and the outer sleeve or the inner sleeve is provided with a ball external thread matched with the spray arm internal thread.
According to the spray arm assembly provided by the embodiment of the invention, the spray arm is connected with the spray arm seat through the ball assembly, so that the friction force between the spray arm and the spray arm seat can be reduced, the hydrodynamic loss is reduced, in addition, the height size of the spray arm assembly can be reduced, more space is reserved for placing the to-be-cleaned parts, and the capacity of a washing electric appliance dish washing machine is improved.
According to some embodiments of the present invention, the inner sleeve is provided with a plurality of ball holes in which the balls are mounted, the balls protrude from inner and outer circumferential surfaces of the inner sleeve in a radial direction of the inner sleeve, and the ball male screw is provided on an outer circumferential surface of the outer sleeve.
Further, the spray arm seat includes: the spray arm seat comprises a spray arm seat body, wherein a spray arm seat ball groove suitable for being matched with the ball is formed in the outer peripheral surface of the spray arm seat body.
Further, an outer sleeve ball groove suitable for being matched with the ball is formed in the inner circumferential surface of the outer sleeve, and the outer sleeve ball groove and the spray arm seat ball groove are circumferential annular grooves.
Specifically, the outer sleeve includes: the spraying device comprises an outer sleeve peripheral wall and an outer sleeve bottom wall, wherein the outer sleeve bottom wall is arranged at one end, far away from the spraying arm, of the outer sleeve peripheral wall, the outer sleeve bottom wall extends inwards in the radial direction of the outer sleeve peripheral wall, and the balls are arranged above the outer sleeve bottom wall.
Optionally, the spray arm seat further includes: the spray arm seat comprises a spray arm seat body and an outer sleeve, wherein the spray arm seat body is provided with a spray arm seat flange extending outwards in the radial direction, the spray arm seat flange is arranged below the spray arm seat body, a plurality of rib plates are arranged between the outer peripheral surface of the spray arm seat body and the spray arm seat flange, and the bottom wall of the outer sleeve is arranged above the rib plates.
According to some embodiments of the invention, the ball hole is provided at the bottom of the inner sleeve, the ball hole is a major arc hole and a ball access opening is formed at the bottom gap.
Furthermore, a weakening groove is formed between every two adjacent ball holes, and a weakening groove upright post is arranged in each weakening groove.
According to some embodiments of the present invention, the outer sleeve is provided with a plurality of ball holes in which the balls are mounted, the balls protrude from inner and outer circumferential surfaces of the outer sleeve in a radial direction of the outer sleeve, and the ball male screw is provided on the outer circumferential surface of the inner sleeve.
Specifically, the spray arm seat includes: the spray arm seat water inlet shaft is arranged above the spray arm seat annular wall, the spray arm seat water inlet shaft is arranged below the spray arm seat annular wall, the inner diameter of the spray arm seat water inlet shaft is equal to that of the inner sleeve, and a spray arm seat ball groove suitable for being matched with balls is arranged on the inner circumferential surface of the spray arm seat circumferential wall.
Further, an inner sleeve ball groove suitable for being matched with the ball is formed in the outer peripheral surface of the inner sleeve, and the inner sleeve ball groove and the spray arm seat ball groove are circumferential annular grooves.
Further, the inner sleeve and the outer sleeve are arranged above the spray arm seat annular wall, a gap between the lower surface of the inner sleeve and the upper surface of the spray arm seat annular wall is L1, and L1 satisfies the relation: l1 is more than 0mm and less than or equal to 0.5 mm.
Optionally, a rib plate is arranged between the outer circumferential surface of the spray arm seat water inlet shaft and the spray arm seat annular wall.
According to some embodiments of the invention, the spray arm comprises: the spray arm comprises a spray arm body and a spray arm connecting sleeve, wherein the spray arm connecting sleeve is arranged on the lower side of the spray arm body, the spray arm connecting sleeve is provided with a spray arm cavity communicated with the spray arm body, a spray arm seat cavity communicated with the spray arm cavity is arranged in a spray arm seat, and internal threads of the spray arm are arranged on the inner peripheral surface of the spray arm connecting sleeve.
According to another aspect of the invention, a washing appliance comprises the spray arm assembly described above.
Drawings
FIG. 1 is a perspective view of a first embodiment of a spray arm assembly;
FIG. 2 is a schematic perspective half-section view of a first embodiment of a spray arm assembly;
FIG. 3 is a schematic half-section view of a first embodiment of a spray arm assembly;
FIG. 4 is a partial enlarged view of FIG. 3 at A;
FIG. 5 is a schematic view of the assembly of the ball assembly and the spray arm socket;
FIG. 6 is an exploded view of the ball assembly and spray arm socket;
FIG. 7 is a perspective half-sectional view of the ball assembly and spray arm socket;
FIG. 8 is a schematic view in half section of the ball assembly and spray arm socket;
FIG. 9 is a schematic half-section view of a second embodiment of a spray arm assembly;
fig. 10 is a partial enlarged view of fig. 9 at B;
fig. 11 is an exploded view of the first embodiment of the spray arm assembly.
Reference numerals:
a spray arm assembly 1000;
the spray arm comprises a spray arm 100, a spray arm body 110, a spray arm connecting sleeve 120, spray arm internal threads 121 and a spray arm cavity 130;
a spray arm seat 200, a spray arm seat body 210, a spray arm seat flange 220, a rib 230, a spray arm seat water inlet shaft 240, a spray arm seat peripheral wall 250, a spray arm seat annular wall 260, a spray arm seat ball groove 270, and a spray arm seat chamber 280;
the ball assembly 300, the outer sleeve 310, the outer sleeve peripheral wall 311, the outer sleeve bottom wall 312, the outer sleeve ball groove 313, the inner sleeve 320, the inner sleeve ball groove 321, the balls 330, the ball external threads 340, the ball holes 350, the ball taking and placing openings 351, the weakening groove 360 and the weakening groove upright 361.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.
In the description of the present invention, it is to be understood that the terms "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
The spray arm assembly 1000 according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 11. The spray arm assembly 1000 may be used in a washing appliance, and the structure of the spray arm assembly 1000 will be described below by taking the example of applying the spray arm assembly 1000 to a dishwasher.
Referring to fig. 1 to 2 and 9, a spray arm assembly 1000 according to an embodiment of the present invention may include: spray arm 100, spray arm socket 200 and ball assembly 300.
Referring to fig. 3-4 and 9-10, the spray arm 100 has a spray arm internal thread 121, the spray arm 100 is connected to a spray arm base 200, the spray arm base 200 is located below the spray arm 100, and the spray arm 100 is rotatable relative to the spray arm base 200, by providing the spray arm base 200, a connection interface is provided for the spray arm 100, and meanwhile, after the spray arm 100 and the spray arm base 200 are connected into a whole, the spray arm base 200 can also serve as a water inlet pipeline of the spray arm 100. In some embodiments, the spray arm 100 is provided with a water spraying hole and a driving hole, when the water pressure in the spray arm 100 reaches a certain value, the spray arm 100 starts to spray water columns through the water spraying hole and the driving hole, the spray arm 100 rotates by the reaction force when the water columns are sprayed, the water columns are continuously sprayed from the water spraying hole and the driving hole as the water columns are sprayed out, the spray arm 100 can continuously rotate, the water columns sprayed from the water spraying hole and the driving hole can be sprayed to the surface of tableware or the inner wall of the dishwasher as the spray arm 100 rotates, and then the stain on the tableware or the inner wall of the dishwasher is washed, so that the washing of the tableware by the dishwasher is completed.
The ball assembly 300 is disposed at a coupling engagement of the spray arm 100 and the spray arm socket 200, and the ball assembly 300 may include: the spray arm comprises an outer sleeve 310, an inner sleeve 320 and balls 330, wherein the outer sleeve 310 is sleeved outside the inner sleeve 320, and the outer sleeve 310 or the inner sleeve 320 is provided with a ball external thread 340 matched with the spray arm internal thread 121. As shown in fig. 4, the ball external thread 340 is provided on the outer circumferential surface of the outer sleeve 310, the outer sleeve 310 is fixedly connected to the spray arm 100, and the ball 330 is in rolling contact with the outer surface of the spray arm socket 200; as shown in fig. 10, the ball male screw 340 is disposed on the outer circumferential surface of the inner sleeve 320, the inner sleeve 320 is fixedly connected to the spray arm 100, the balls 330 are in rolling contact with the inner surface of the spray arm socket 200, and the connection structure of the spray arm 100, the spray arm socket 200, and the ball assembly 300 is simple and stable.
The spray arm 100 is connected with the ball assembly 300 through threads, so that the spray arm is convenient to disassemble and assemble and is reliable in fixation.
Through the arrangement of the ball assembly 300, when the spray arm 100 and the spray arm base 200 rotate relatively, the friction between the spray arm 100 and the spray arm base 200 is rolling friction, which is no longer sliding friction, so that the resistance of the rolling friction to the rotation of the spray arm 100 is very small, thereby reducing the hydrodynamic loss caused by friction and improving the utilization rate of hydrodynamic force. Meanwhile, the spray arm 100 rotates relatively fast relative to the spray arm base 200, so that the arrangement of the ball assembly 300 is beneficial to improving the smoothness of the rotation of the spray arm 100, and is beneficial to reducing the noise of the dishwasher.
In addition, compared with the original form that the spray arm 100 is connected with the spray arm seat 200 through the buckle, after the spray arm 100 is connected with the spray arm seat 200 through the ball assembly 300, the distance between the spray arm 100 and the spray arm seat 200 can be reduced, so that the height size of the spray arm assembly 1000 is reduced, the internal space of the dishwasher is saved, more space is reserved for placing tableware, the tableware capacity of the dishwasher is further improved, and the internal loading capacity of the dishwasher can be increased by 10mm-40mm, for example.
According to the spray arm assembly 1000 of the embodiment of the invention, the spray arm base 200 is arranged to provide a connection interface for the spray arm 100, meanwhile, the spray arm base 200 also serves as a water inlet pipeline of the spray arm 100, the spray arm 100 is connected with the spray arm base 200 through the ball assembly 300, so that the spray arm 100 is in rolling contact with the spray arm base 200, and therefore, the friction force between the spray arm 100 and the spray arm base 200 can be reduced, thereby being beneficial to reducing hydrodynamic loss, improving the utilization rate of hydrodynamic force, ensuring that the pressure when water is sprayed out from the spray holes of the spray arm 100 is higher, and being beneficial to improving the cleaning effect of the dish-washing machine on tableware. In addition, the spray arm 100 is connected with the spray arm base 200 through the ball assembly 300, and the height of the spray arm assembly 1000 can be reduced, so that the internal space of the dish washer is saved, more space is reserved for placing tableware, and the tableware capacity of the dish washer is improved.
A first embodiment of the present invention will be described in detail with reference to fig. 1 to 8.
Referring to fig. 3 to 6, the inner sleeve 320 is provided with a plurality of ball holes 350, the balls 330 are rotatably installed in the ball holes 350, and the ball holes 350 provide support for fixing the balls 330, ensure that the relative positions of the balls 330 are not changed, and prevent the balls 330 from colliding and being squeezed, thereby improving the operational stability of the ball assembly 300, and further improving the smoothness of the spray arm 100 during rotation. Alternatively, the number of ball holes 350 is the same as the number of balls 330.
The balls 330 protrude from the inner circumferential surface and the outer circumferential surface of the inner sleeve 320 in the radial direction of the inner sleeve 320, that is, the diameter of the balls 330 is greater than the wall thickness of the inner sleeve 320, the balls 330 have only a middle portion installed in the inner sleeve 320, the outer sides of the balls 330 protrude from the outer circumferential surface of the inner sleeve 320, the inner sides of the balls 330 protrude from the inner circumferential surface of the inner sleeve 320, such that the outer sides of the balls 330 are in rolling contact with the inner surface of the outer sleeve 310, the inner sides of the balls 330 are in rolling contact with the outer surface of the spray arm socket 200, the balls 330 are in rolling contact with the outer sleeve 310 and the spray arm socket 200, and the balls 330 provide support for the connection of the spray arm. When the spray arm 100 and the spray arm base 200 rotate relatively, the outer sleeve 310 contacts with the spray arm base 200 through the balls 330, so that rolling friction exists between the outer sleeve 310 and the spray arm base 200.
The ball external thread 340 is arranged on the outer peripheral surface of the outer sleeve 310, the ball external thread 340 is in threaded fit with the spray arm internal thread 121, so that the outer sleeve 310 and the spray arm 100 are fixed, the spray arm 100 is connected with the outer sleeve 310 through threads, the assembly and disassembly are convenient, and the connection is reliable. At this time, the friction between the spray arm 100 and the spray arm base 200 is equivalent to rolling friction, so that the loss of hydrodynamic force can be reduced, more energy of water is sprayed out from the water spray holes and the driving holes on the spray arm 100, and the pressure of the water after being sprayed out from the water spray holes is ensured to be higher, thereby being beneficial to washing tableware, and further improving the washing performance of the dishwasher.
In an exemplary embodiment, the plurality of ball holes 350 may be uniformly distributed along the circumferential direction of the inner sleeve 320, thereby making the relative rotation of the spray arm 100 and the spray arm socket 200 more smooth. Preferably, the number of the balls 330 is even, so that the ball assembly 300 can be uniformly stressed to alleviate the stress concentration phenomenon.
Alternatively, the diameter of the balls 330 is 3mm to 8mm, and the number of the balls 330 is 4 to 12.
Further, referring to fig. 7 to 8, the spray arm base 200 may include: the spray arm seat comprises a spray arm seat body 210 and a spray arm seat flange 220, wherein the spray arm seat flange 220 is arranged below the spray arm seat body 210, the spray arm seat flange 220 extends outwards along the radial direction of the spray arm seat body 210, the outer diameter of the spray arm seat flange 220 is larger than that of the spray arm seat body 210, the spray arm seat flange 220 is suitable for being connected with other parts in a dishwasher, the outer diameter of the spray arm seat flange 220 is larger, and therefore the spray arm seat 200 and the other parts can be fixed more stably and reliably. The spray arm seat body 210 is provided on an outer circumferential surface thereof with a spray arm seat ball groove 270 adapted to be engaged with the ball 330.
Further, an outer sleeve ball groove 313 adapted to be engaged with the balls 330 is provided on an inner circumferential surface of the outer sleeve 310, and the outer sleeve ball groove 313 and the spray arm seat ball groove 270 are circumferential annular grooves, whereby the smoothness of the full rotation of the spray arm 100 can be ensured. The balls 330 are in rolling contact with the outer sleeve ball grooves 313 and the spray arm seat ball grooves 270, and friction is low. In an exemplary embodiment, the diameters of the outer sleeve ball groove 313 and the spray arm seat ball groove 270 may be the same as the diameter of the ball 330, or may be slightly larger than the diameter of the ball 330, thereby ensuring that the ball 330 fits well with the outer sleeve ball groove 313 and the spray arm seat ball groove 270.
Further, referring to fig. 4, 6 and 8, in the central axis direction of the nozzle arm connecting sleeve 120, the positions of the nozzle arm seat ball groove 270, the outer sleeve ball groove 313 and the ball hole 350 correspond, the ball 330 is partially disposed in the ball hole 350, the outer side of the ball 330 contacts with the outer sleeve ball groove 313, the inner side of the ball 330 contacts with the nozzle arm seat ball groove 270, thereby completing the connection of the nozzle arm seat 200 with the outer sleeve 310, and the outer sleeve 310 is fixedly connected with the nozzle arm 100, thereby completing the indirect connection of the nozzle arm 100 and the nozzle arm seat 200. The nozzle arm seating ball groove 270, the outer sleeve ball groove 313, and the ball hole 350 are located at corresponding positions, so that when the nozzle arm 100 rotates, the ball 330 is prevented from being squeezed due to the fact that the ball slides in a path different from the paths of the nozzle arm seating ball groove 270 and the outer sleeve ball groove 313, and the nozzle arm 100 cannot rotate.
Specifically, referring to fig. 3-4, the outer sleeve 310 may include: the outer sleeve peripheral wall 311 and the outer sleeve bottom wall 312, the outer sleeve bottom wall 312 is disposed at one end of the outer sleeve peripheral wall 311 far away from the spray arm 100, as shown in fig. 4, the outer sleeve bottom wall 312 is disposed at the lower end of the outer sleeve peripheral wall 311, the outer sleeve bottom wall 312 extends inward along the radial direction of the outer sleeve peripheral wall 311, and the outer sleeve ball groove 313 is disposed at the junction of the outer sleeve bottom wall 312 and the outer sleeve peripheral wall 311, so that the balls 330 are disposed above the outer sleeve bottom wall 312, and therefore, the outer sleeve bottom wall 312 can protect the balls 330 to a certain extent, and the balls 330 are prevented from being exposed to the outside to affect the service life of.
Further, the ball male screw 340 is provided on the outer circumferential surface of the outer sleeve circumferential wall 311, the outer sleeve ball groove 313 is provided on the inner circumferential surface of the outer sleeve circumferential wall 311, and the outer sleeve ball groove 313 is provided below the ball male screw 340, whereby the fixing position of the outer sleeve 310 to the spray arm 100 is located above, and the fitting position of the outer sleeve 310 to the spray arm holder 200 is located below, whereby the height space is fully utilized, and the axial dimension of the coupling fitting portion of the spray arm 100 to the spray arm holder 200 is prevented from being too large.
Alternatively, as shown in fig. 4 and 6, a plurality of ribs 230 are provided between the outer peripheral surface of the nozzle arm base body 210 and the nozzle arm base flange 220, and the outer sleeve bottom wall 312 is provided above the ribs 230. Through setting up floor 230, increased spray arm seat body 210 and spray arm seat flange 220's structural strength and rigidity, effectively prevent spray arm 100 high-speed when rotating spray arm seat 200 and take place fracture, damage to be favorable to prolonging spray arm assembly 1000's life.
The plurality of ribs 230 are uniformly distributed along the circumferential direction of the spray arm base body 210, thereby facilitating the performance of the spray arm base 200, and optionally, the number of the ribs 230 is four, and two adjacent ribs 230 are spaced by 90 °.
The ball hole 350 is provided at the bottom of the inner sleeve 320, and as shown in fig. 6, the ball hole 350 is a major arc hole, and a ball taking and placing opening 351 is formed at a notch of the bottom of the ball hole 350. The balls 330 enter the ball holes 350 through the ball taking and placing holes 351 or come out of the ball holes 350, thereby facilitating the mounting and dismounting of the balls 330 in the ball holes 350.
Further, a weakening groove 360 is disposed between two adjacent ball holes 350, and a weakening groove pillar 361 is disposed in the weakening groove 360, optionally, a central axis of the weakening groove pillar 361 is parallel to a central axis of the inner sleeve 320, thereby facilitating a processing process of the inner sleeve 320. By providing the weakening groove 360, the rigidity between two adjacent ball holes 350 can be made small, and thus the ball holes 350 are easily deformed when the balls 330 are mounted, thereby reducing the difficulty in mounting or dismounting the balls 330. In addition, the weakening groove upright 361 can play a certain reinforcing role, so that the weakening groove 360 is prevented from excessively weakening the rigidity of the inner sleeve 320, and the working reliability of the ball assembly 300 is improved.
A second embodiment of the present invention will be described in detail with reference to fig. 9 to 11.
As shown in fig. 9 to 11, the outer sleeve 310 is provided with a plurality of ball holes 350, the balls 330 are rotatably installed in the ball holes 350, and the ball holes 350 provide support for fixing the balls 330, ensure that the relative positions of the balls 330 are not changed, and prevent the balls 330 from colliding and extruding, so that the working stability of the ball assembly 300 can be improved, and the smoothness of the spray arm 100 during rotation can be further improved. Alternatively, the number of ball holes 350 is the same as the number of balls 330.
It should be noted that the outer sleeve 310 in the present invention means that the sleeve is located outside the entire ball assembly 300, and the "outer" of the outer sleeve 310 is referred to as the "inner" of the inner sleeve 320, that is, the outer sleeve 310 is located at the periphery of the inner sleeve 320, and the inner sleeve 320 is enclosed in the hollow inner cavity of the outer sleeve 310, which does not mean that the outer sleeve 310 must be exposed outside the entire spray arm 1000.
The balls 330 protrude from the inner circumferential surface and the outer circumferential surface of the outer sleeve 310 in the radial direction of the outer sleeve 310, that is, the diameter of the balls 330 is larger than the wall thickness of the outer sleeve 310, the balls 330 have only a middle portion installed in the outer sleeve 310, the outer side of the balls 330 protrudes outwardly from the outer circumferential surface of the outer sleeve 310, the inner side of the balls 330 protrudes inwardly from the inner circumferential surface of the outer sleeve 310, so that the outer side of the balls 330 can be in rolling contact with the inner surface of the spray arm socket 200, the inner side of the balls 330 can be in rolling contact with the outer surface of the inner sleeve 320, the balls 330 are in rolling contact with the inner sleeve 320 and the spray arm socket 200, and the balls 330 provide support for the connection of the spray. When the spray arm 100 and the spray arm base 200 rotate relatively, the inner sleeve 320 and the spray arm base 200 are contacted through the balls 330, so that rolling friction exists between the inner sleeve 320 and the spray arm base 200.
A ball external thread 340 is provided on the outer circumferential surface of the inner sleeve 320. The ball external threads 340 are in threaded fit with the spray arm internal threads 121, so that the inner sleeve 320 and the spray arm 100 are fixed, and the spray arm 100 is connected with the inner sleeve 320 through threads, so that the spray arm is convenient to assemble and disassemble and reliable in connection. Similarly, the friction between the spray arm 100 and the spray arm seat 200 is equivalent to rolling friction, which can reduce the loss of hydrodynamic force, make the energy of water more sprayed from the spray holes and the driving holes on the spray arm 100, ensure the pressure of water after sprayed from the spray holes to be greater, and is beneficial to washing dishes, thereby improving the washing performance of the dishwasher.
In an exemplary embodiment, the plurality of ball holes 350 may be uniformly distributed along the circumference of the outer sleeve 310, thereby making the relative rotation of the spray arm 100 and the spray arm socket 200 more smooth. Preferably, the number of the balls 330 is even, so that the ball assembly 300 can be uniformly stressed to alleviate the stress concentration phenomenon. Referring to FIG. 11, the ball holes 350 are located in a lower middle portion of the outer sleeve 310.
Alternatively, the diameter of the balls 330 is 3mm to 8mm, and the number of the balls 330 is 4 to 12.
Specifically, the spray arm socket 200 may include: the spray arm seat water inlet shaft 240, the spray arm seat annular wall 260 and the spray arm seat peripheral wall 250, the spray arm seat annular wall 260 is arranged between the spray arm seat water inlet shaft 240 and the spray arm seat peripheral wall 250, the spray arm seat peripheral wall 250 is arranged above the spray arm seat annular wall 260, the spray arm seat peripheral wall 250 is vertically connected with the spray arm seat annular wall 260 and is positioned at the lowest end of the spray arm seat peripheral wall 250 and the outermost end of the spray arm seat annular wall 260, the spray arm seat water inlet shaft 240 is arranged below the spray arm seat annular wall 260, the spray arm seat water inlet shaft 240 is vertically connected with the spray arm seat annular wall 260 and is positioned at the uppermost end of the spray arm seat water inlet shaft 240 and the innermost end of the spray arm seat annular wall 260, and the diameter of the spray arm seat peripheral wall 250 is larger than that of the spray arm seat water inlet shaft 240. The circumferential wall 250 of the spray arm seat is parallel to the water inlet shaft 240 of the spray arm seat, and the inner diameter of the water inlet shaft 240 of the spray arm seat is equal to that of the inner sleeve 320, so that the water flow speed in the water inlet shaft 240 of the spray arm seat and the inner sleeve 320 can be ensured to be equal, and the water flow speed is prevented from suddenly changing at the joint of the spray arm seat 200 and the ball assembly 300 to influence the stability of the relative rotation of the spray arm seat 200 and the spray arm 100.
An inner circumferential surface of the arm seat peripheral wall 250 is provided with an arm seat ball groove 270 adapted to cooperate with the ball 330.
Further, an inner sleeve ball groove 321 adapted to be engaged with the balls 330 is formed on an outer circumferential surface of the inner sleeve 320, and the inner sleeve ball groove 321 and the spray arm socket ball groove 270 are circumferential annular grooves, whereby the smoothness of the entire rotation of the spray arm 100 can be ensured. The balls 330 are in rolling contact with the inner sleeve ball groove 321 and the spray arm seat ball groove 270, and the friction force is small. In an exemplary embodiment, the diameters of the inner sleeve ball groove 321 and the spray arm seat ball groove 270 may be equal to the diameter of the ball 330, or may be slightly larger than the diameter of the ball 330, so as to ensure that the ball 330 fits well with the inner sleeve ball groove 321 and the spray arm seat ball groove 270.
Further, referring to fig. 10, in the central axis direction of the nozzle arm connecting sleeve 120, the positions of the nozzle arm seat ball groove 270, the inner sleeve ball groove 321, and the ball hole 350 correspond, the ball 330 is partially disposed in the ball hole 350, the outer side of the ball 330 contacts with the nozzle arm seat ball groove 270, the inner side of the ball 330 contacts with the inner sleeve ball groove 321, thereby completing the connection of the nozzle arm seat 200 and the inner sleeve 320, and the inner sleeve 320 is fixedly connected with the nozzle arm 100, thereby completing the indirect connection of the nozzle arm 100 and the nozzle arm seat 200. The spray arm seat ball groove 270, the inner sleeve ball groove 321, and the ball hole 350 are located at corresponding positions, so that when the spray arm 100 rotates, the sliding track of the balls 330 is different from the sliding track of the spray arm seat ball groove 270 and the inner sleeve ball groove 321, and is squeezed, thereby preventing the spray arm 100 from rotating.
In addition, the ball external thread 340 and the inner sleeve ball groove 321 are both disposed on the outer circumferential surface of the inner sleeve 320, and the inner sleeve ball groove 321 is disposed below the ball external thread 340, whereby the fixing position of the inner sleeve 320 to the spray arm 100 is located above, and the fitting position of the inner sleeve 320 to the spray arm socket 200 is located below, thereby making full use of the height space and preventing the axial dimension of the fitting position of the spray arm 100 to the spray arm socket 200 from being too large.
Further, the inner sleeve 320 and the outer sleeve 310 are disposed above the nozzle arm seat ring wall 260, so that the nozzle arm seat ring wall 260 can protect the ball assembly 300 to a certain extent, and the ball assembly 300 is prevented from being exposed to the outside to affect the service life of the ball assembly 300. The gap between the lower surface of the inner sleeve 320 and the upper surface of the spray arm seat ring wall 260 is L1, and L1 satisfies the relationship: 0mm < L1 ≤ 0.5mm, so when the spray arm 100 and the spray arm seat 200 rotate relatively, sliding friction caused by contact between the lower surface of the inner sleeve 320 and the upper surface of the spray arm seat ring wall 260 can be avoided, i.e., there is no friction between the inner sleeve 320 and the spray arm seat 200, and in addition, the gap between the lower surface of the inner sleeve 320 and the upper surface of the spray arm seat ring wall 260 is small, so that leftover food or other contaminants can be prevented from entering the gap to increase the friction between the spray arm 100 and the spray arm seat 200 or even block the spray arm 100, and when the spray arm 100 tilts, the inner sleeve 320 can rapidly contact with the spray arm seat 200, thereby preventing the spray arm 100 from further tilting, and preventing water from entering the gap between the inner sleeve 320 and the spray arm seat ring wall 260 excessively to cause hydrodynamic loss.
Ribbed plates (not shown) are arranged between the outer peripheral surface of the spray arm base water inlet shaft 240 and the spray arm base annular wall 260, so that the structural strength and rigidity of the spray arm base 200 are improved, the spray arm base 200 is effectively prevented from being broken and damaged when the spray arm 100 rotates at a high speed, and the service life of the spray arm assembly 1000 is prolonged.
Referring to fig. 3 to 4 and 9 to 10, the spray arm 100 may include: the spray arm comprises a spray arm body 110 and a spray arm connecting sleeve 120, wherein the spray arm connecting sleeve 120 is arranged on the lower side of the spray arm body 110, the spray arm 100 and a spray arm seat 200 are convenient to connect through the spray arm connecting sleeve 120, and the spray arm 100 and the spray arm seat 200 can be reliably connected into a whole.
The spray arm connecting sleeve 120 and the spray arm body 110 are provided with a communicated spray arm chamber 130 therein, and the spray arm seat 200 is provided with a spray arm seat chamber 280 communicated with the spray arm chamber 130 therein, so that water from a dishwasher water source can smoothly enter the spray arm chamber 130 through the spray arm seat chamber 280, and then the water is sprayed to the surface of tableware through the spray holes on the spray arm 100, thereby completing the operation of cleaning the tableware. Along with water continuously enters the spray arm chamber 130, the water pressure in the spray arm chamber 130 is higher and higher, the reaction force generated by the water column sprayed from the driving hole of the spray arm 100 is larger, the rotating speed of the spray arm 100 is higher, and meanwhile, the force of the sprayed water column beating on the tableware is larger, so that the tableware is favorably cleaned, and therefore, the better washing effect of the dishwasher can be ensured by arranging the spray arm chamber 130. The direction and position of the water column sprayed on the tableware by the spray arm 100 are multidirectional, so that dead corners are reduced, the tableware is easier to clean, and the cleaning time is correspondingly reduced due to the larger coverage rate of the water stream, namely the cleaning time is favorably shortened.
The spray arm internal thread 121 is arranged on the inner circumferential surface of the spray arm connecting sleeve 120, and as shown in fig. 4, the outer sleeve 310 is screwed and fixed with the spray arm internal thread 121; as shown in fig. 10, the inner sleeve 320 is threadedly fixed to the spray arm internal thread 121.
After the spray arm 100 is connected with the spray arm base 200 by the ball assembly 300, the height of the spray arm connecting sleeve 120 can be reduced, so that the overall height of the spray arm assembly 1000 is reduced, and more space is reserved for placing tableware.
In a specific embodiment, the balls 330 may be plastic balls or stainless steel balls, because the operating environment of the spray arm assembly 1000 is full of water, the spray arm assembly 1000 is in a damp and hot environment for a long time, which easily causes the balls 330 to rust and jam, and the plastic balls or stainless steel balls have a strong anti-corrosion capability, so that rusting of the balls 330 can be effectively slowed down or even avoided.
In some embodiments, not shown, the balls 330 may be disposed between the outer sleeve 310 and the inner sleeve 320, that is, the outer sleeve 310 and the inner sleeve 320 are not provided with the ball holes 350, the inner sleeve 310 is provided with the outer sleeve ball groove 313 on the inner circumferential surface, the inner sleeve 320 is provided with the inner sleeve ball groove 321 on the outer circumferential surface, the outer side of the balls 330 is in rolling contact with the outer sleeve ball groove 313, the inner side of the balls 330 is in rolling contact with the inner sleeve ball groove 321, and the rolling connection between the spray arm 100 and the spray arm socket 200 can also be achieved, and the rolling friction between the spray arm 100 and the spray arm socket 200 is beneficial to reduce the hydrodynamic consumption, thereby improving the cleaning capability of the spray arm assembly 1000.
The washing appliance according to another aspect of the present invention includes the spray arm assembly 1000 of the above embodiment. The washing electric appliance can be a dish washer, and can also be the washing electric appliances that have washing functions such as fruit and vegetable cleaning machine, medical cleaning machine, and its effect is similar with the effect of setting up spray arm subassembly 1000 in the dish washer, and the repeated description is no longer given here.
In the description herein, references to the description of the term "one embodiment," "some embodiments," "an example," "a specific example" or "some examples" or the like are intended to mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above are not necessarily intended to refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, various embodiments or examples described in this specification can be combined and combined by those skilled in the art.
Although embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present invention, and that variations, modifications, substitutions and alterations can be made to the above embodiments by those of ordinary skill in the art within the scope of the present invention.
Claims (14)
1. A spray arm assembly, comprising:
a spray arm having a spray arm internal thread;
the spray arm is connected with the spray arm seat, and the spray arm can rotate relative to the spray arm seat;
the ball subassembly, the ball subassembly sets up spray arm with the cooperation department of being connected of spraying the arm seat, just the ball subassembly includes: the spray arm spraying device comprises an outer sleeve, an inner sleeve and balls, wherein the outer sleeve is sleeved outside the inner sleeve, and the outer sleeve or the inner sleeve is provided with a ball external thread matched with the spray arm internal thread.
2. The spray arm assembly of claim 1, wherein the inner sleeve is provided with a plurality of ball holes in which the balls are mounted, the balls protrude from inner and outer circumferential surfaces of the inner sleeve in a radial direction of the inner sleeve, and the ball male screw is provided on an outer circumferential surface of the outer sleeve.
3. The spray arm assembly of claim 2, wherein the spray arm socket comprises: the spray arm seat comprises a spray arm seat body, wherein a spray arm seat ball groove suitable for being matched with the ball is formed in the outer peripheral surface of the spray arm seat body.
4. The spray arm assembly of claim 3 wherein said outer sleeve has an inner peripheral surface provided with an outer sleeve ball groove adapted to engage said ball, said outer sleeve ball groove and said spray arm seat ball groove being circumferential annular grooves.
5. The spray arm assembly of claim 3 wherein said outer sleeve comprises: the spraying device comprises an outer sleeve peripheral wall and an outer sleeve bottom wall, wherein the outer sleeve bottom wall is arranged at one end, far away from the spraying arm, of the outer sleeve peripheral wall, the outer sleeve bottom wall extends inwards in the radial direction of the outer sleeve peripheral wall, and the balls are arranged above the outer sleeve bottom wall.
6. The spray arm assembly of claim 3 or 5, wherein the spray arm socket further comprises: the spray arm seat comprises a spray arm seat body and a spray arm seat flange, wherein the spray arm seat flange extends outwards in the radial direction of the spray arm seat body, the spray arm seat flange is arranged below the spray arm seat body, and a plurality of rib plates are arranged between the outer peripheral surface of the spray arm seat body and the spray arm seat flange.
7. The spray arm assembly of claim 2 wherein the ball hole is formed in the bottom of the inner sleeve, the ball hole is a major arc hole and the bottom notch forms a ball access opening.
8. The spray arm assembly of claim 1, wherein the outer sleeve is provided with a plurality of ball holes in which the balls are mounted, the balls protrude from inner and outer circumferential surfaces of the outer sleeve in a radial direction of the outer sleeve, and the ball male screw is provided on the outer circumferential surface of the inner sleeve.
9. The spray arm assembly of claim 8, wherein the spray arm socket comprises: the spray arm seat water inlet shaft is arranged above the spray arm seat annular wall, the spray arm seat water inlet shaft is arranged below the spray arm seat annular wall, and a spray arm seat ball groove suitable for being matched with the balls is arranged on the inner circumferential surface of the spray arm seat circumferential wall.
10. The spray arm assembly of claim 9 wherein the spray arm socket water inlet shaft has an inner diameter equal to an inner diameter of the inner sleeve.
11. The spray arm assembly of claim 9 wherein the inner sleeve has an outer circumferential surface provided with an inner sleeve ball groove adapted to engage the ball, the inner sleeve ball groove and the spray arm socket ball groove each being a circumferential annular groove.
12. The spray arm assembly of claim 9 wherein the inner sleeve and the outer sleeve are disposed above the spray arm seat annulus wall and a gap between a lower surface of the inner sleeve and an upper surface of the spray arm seat annulus wall is L1, L1 satisfying the relationship: l1 is more than 0mm and less than or equal to 0.5 mm.
13. The spray arm assembly of claim 2 or 8, wherein the spray arm comprises: the spray arm comprises a spray arm body and a spray arm connecting sleeve, wherein the spray arm connecting sleeve is arranged on the lower side of the spray arm body, the spray arm connecting sleeve is provided with a spray arm cavity communicated with the spray arm body, a spray arm seat cavity communicated with the spray arm cavity is arranged in a spray arm seat, and internal threads of the spray arm are arranged on the inner peripheral surface of the spray arm connecting sleeve.
14. Washing appliance, characterized in that it comprises a spray arm assembly according to any one of claims 1-13.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810990361.3A CN110859569A (en) | 2018-08-28 | 2018-08-28 | Spray arm assembly and washing electric appliance with same |
| 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 |
|---|---|---|---|
| CN201810990361.3A CN110859569A (en) | 2018-08-28 | 2018-08-28 | Spray arm assembly and washing electric appliance with same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110859569A true CN110859569A (en) | 2020-03-06 |
Family
ID=69651583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810990361.3A Pending CN110859569A (en) | 2018-08-28 | 2018-08-28 | Spray arm assembly and washing electric appliance with same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110859569A (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB545863A (en) * | 1941-04-10 | 1942-06-16 | Black & Decker Mfg Co | Improvements in apparatus for surfacing or re-surfacing valve seats |
| GB8730084D0 (en) * | 1987-01-30 | 1988-02-03 | Bosch Siemens Hausgeraete | Spray arm mounting in front-loading dishwashing machine |
| US4869428A (en) * | 1988-08-08 | 1989-09-26 | Jackson Products Company | Hand actuated connect/disconnect spray arm arrangement for a dishwasher |
| CN2094961U (en) * | 1991-05-23 | 1992-02-05 | 西北轻工业学院 | Tableware washing machine with vertically rotary cantilever sprayer at flank |
| CN2369625Y (en) * | 1999-01-12 | 2000-03-22 | 姚凌 | Cleaning machine for vegetable fruits and dining utensils |
| US6044853A (en) * | 1998-11-24 | 2000-04-04 | Tca, Inc. | Batch type dish washing machine with free floating spray arm assemblies |
| US20040069332A1 (en) * | 2002-03-07 | 2004-04-15 | Lebaron Forrest L. | Spray arm hub/head for ware washer |
| CN102767567A (en) * | 2012-07-23 | 2012-11-07 | 杜乐红 | Linear bearing |
| CN202769110U (en) * | 2012-09-10 | 2013-03-06 | 马福庆 | Bearing type connecting device |
| CN103190873A (en) * | 2012-01-06 | 2013-07-10 | 三星电子株式会社 | Nozzle assembly and dishwasher having the same |
| CN104757923A (en) * | 2014-01-06 | 2015-07-08 | 三星电子株式会社 | Dishwasher |
| CN105134765A (en) * | 2015-08-18 | 2015-12-09 | 洛阳轴研科技股份有限公司 | Bearing inner ring and full-ball bearing |
| CN106623291A (en) * | 2016-11-14 | 2017-05-10 | 中国人民解放军陆军军官学院 | Portable pipeline inner wall electric cleaning device |
| CN206850567U (en) * | 2017-04-20 | 2018-01-05 | 深圳市爱贝科精密机械有限公司 | Waterproof and dustproof structure for ball electric spindle |
| CN208973737U (en) * | 2018-08-28 | 2019-06-14 | 佛山市顺德区美的洗涤电器制造有限公司 | Gushing arm component and washing electric appliance with it |
-
2018
- 2018-08-28 CN CN201810990361.3A patent/CN110859569A/en active Pending
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB545863A (en) * | 1941-04-10 | 1942-06-16 | Black & Decker Mfg Co | Improvements in apparatus for surfacing or re-surfacing valve seats |
| GB8730084D0 (en) * | 1987-01-30 | 1988-02-03 | Bosch Siemens Hausgeraete | Spray arm mounting in front-loading dishwashing machine |
| US4869428A (en) * | 1988-08-08 | 1989-09-26 | Jackson Products Company | Hand actuated connect/disconnect spray arm arrangement for a dishwasher |
| CN2094961U (en) * | 1991-05-23 | 1992-02-05 | 西北轻工业学院 | Tableware washing machine with vertically rotary cantilever sprayer at flank |
| US6044853A (en) * | 1998-11-24 | 2000-04-04 | Tca, Inc. | Batch type dish washing machine with free floating spray arm assemblies |
| CN2369625Y (en) * | 1999-01-12 | 2000-03-22 | 姚凌 | Cleaning machine for vegetable fruits and dining utensils |
| US20040069332A1 (en) * | 2002-03-07 | 2004-04-15 | Lebaron Forrest L. | Spray arm hub/head for ware washer |
| CN103190873A (en) * | 2012-01-06 | 2013-07-10 | 三星电子株式会社 | Nozzle assembly and dishwasher having the same |
| CN102767567A (en) * | 2012-07-23 | 2012-11-07 | 杜乐红 | Linear bearing |
| CN202769110U (en) * | 2012-09-10 | 2013-03-06 | 马福庆 | Bearing type connecting device |
| CN104757923A (en) * | 2014-01-06 | 2015-07-08 | 三星电子株式会社 | Dishwasher |
| CN105134765A (en) * | 2015-08-18 | 2015-12-09 | 洛阳轴研科技股份有限公司 | Bearing inner ring and full-ball bearing |
| CN106623291A (en) * | 2016-11-14 | 2017-05-10 | 中国人民解放军陆军军官学院 | Portable pipeline inner wall electric cleaning device |
| CN206850567U (en) * | 2017-04-20 | 2018-01-05 | 深圳市爱贝科精密机械有限公司 | Waterproof and dustproof structure for ball electric spindle |
| CN208973737U (en) * | 2018-08-28 | 2019-06-14 | 佛山市顺德区美的洗涤电器制造有限公司 | Gushing arm component and washing electric appliance with it |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208973738U (en) | Gushing arm component and washing electric appliance with it | |
| US11523727B2 (en) | Spray arm assembly and washing appliance provided with same | |
| CA2768580C (en) | Spray arm arrangement for a dishwasher | |
| CN106377211B (en) | Dish-washing machine | |
| US11096548B2 (en) | Dish washer | |
| CN208973736U (en) | Gushing arm component and washing electric appliance with it | |
| CN208973739U (en) | Gushing arm component and washing electric appliance with it | |
| CN110859569A (en) | Spray arm assembly and washing electric appliance with same | |
| CN208973737U (en) | Gushing arm component and washing electric appliance with it | |
| CN208973744U (en) | Gushing arm and washing electric appliance with it | |
| CN110859561A (en) | Spray arm and washing electric appliance with same | |
| CN204542004U (en) | A kind of dish-washing machine top spray assemblies and dish-washing machine | |
| CN208973765U (en) | Gushing arm component and washing electric appliance with it | |
| CN208973764U (en) | Gushing arm component and washing electric appliance with it | |
| CN110859570A (en) | Spray arm assembly and washing electric appliance with same | |
| CN110859568A (en) | Spray arm and washing electric appliance with same | |
| CN110859566A (en) | Spray arm assembly and washing electric appliance with same | |
| JP2004081839A (en) | Nozzle structure for dish washer | |
| CN110859572A (en) | Spray arm assembly and washing electric appliance with same | |
| US11412913B2 (en) | Spray arm and washing appliance having same | |
| CN110859562A (en) | Spray arm assembly and washing electric appliance with same | |
| EP3845111A1 (en) | Spraying arm assembly and washing electric appliance having same | |
| CN110859574A (en) | Spray arm assembly and washing electric appliance with same | |
| CN110859567A (en) | Spray arm assembly and washing electric appliance with same | |
| CN210196120U (en) | Impeller, water pump and cleaning machine |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |