CN219070171U

CN219070171U - Spray arm, spray arm assembly and dish washer

Info

Publication number: CN219070171U
Application number: CN202222555527.3U
Authority: CN
Inventors: 梅祖睿
Original assignee: Ningbo Ruipai Kitchenware Co ltd
Current assignee: Ningbo Ruipai Kitchenware Co ltd
Priority date: 2022-09-27
Filing date: 2022-09-27
Publication date: 2023-05-26
Anticipated expiration: 2032-09-27

Abstract

The utility model relates to a domestic dish washer technical field especially relates to a spray arm, spray arm subassembly and dish washer, solves among the prior art that the spray arm has the dead angle to the washing of tableware, leads to the problem that the tableware is washed not in place, a spray arm, including spray arm casing and inlet, be provided with the feed liquor passageway in the spray arm casing, feed liquor passageway and inlet intercommunication, be provided with spray part on the spray arm casing, the feed liquor passageway includes first feed liquor passageway and second feed liquor passageway, spray part includes first spray part and second spray part, first feed liquor passageway with first spray part intercommunication, second feed liquor passageway with second spray part intercommunication.

Description

Spray arm, spray arm assembly and dish washer

Technical Field

The disclosure relates to the technical field of household dish washers, in particular to a spray arm, a spray arm assembly and a dish washer.

Background

The dish washer gradually becomes one of common household appliances in modern society, can self-cleaning bowl, chopsticks, dish, sword, fork and other tableware's equipment, along with economic development and social progress, dish washer trend intelligence gradually, can save individual time with dish washer washing tableware, and dish washer's detergency is stronger, can thoroughly eliminate the bacterium on tableware surface, and dish washer's easy operation function is very powerful, can satisfy the demand of washing, stoving and multiple functions such as disinfect, but also can be used to the washing of some fruits and vegetables, provides very big facility for people's daily life.

The spray arm is an important component in the dish washer, and is a water flow spray component in the dish washer, water flow directly washes tableware after entering the spray arm from the inner water pipe, the current dish washer has higher and higher requirements on the cleanliness of the tableware, and a large part of the cleanliness of the tableware is determined by the spray arm. When the dish washer is used for cleaning, tap water enters the container cavity liner of the tableware from the water inlet valve after the water inlet valve is electrified by means of pressure, the bottom of the liner is provided with a washing pump connected with the liner, the washing pump is electrified to pump water into a spray arm connected with the container cavity, the spray arm continuously rotates to spray water on the tableware, and dirt on the tableware slides into the cavity under the impact of water flow. And then, sewage is treated by the filtering system and enters the washing pump again, the sewage is washed out into water for a plurality of times, the sewage is discharged out of the cavity of the dish washing machine through the drainage pump, and then the water is fed, washed and discharged, and tableware is cleaned after a plurality of times of circulation.

However, because domestic eating habits are very different from north to south, the types of tableware are also various, and the problem of tableware placement often occurs, so that the tableware is shielded from each other, and further the spray arm has dead angles for cleaning the tableware, so that the problem of improper cleaning of the tableware is caused.

Disclosure of Invention

To among the prior art spray arm have the dead angle to the washing of tableware, lead to the problem to the tableware washing not in place, this disclosure provides a simple structure, spray arm subassembly and dish washer that cleaning performance is good.

The technical scheme adopted by the present disclosure for solving the technical problems is as follows: the utility model provides a spray arm, includes spray arm casing and inlet, be provided with the feed liquor passageway in the spray arm casing, feed liquor passageway and inlet intercommunication, be provided with the portion of spraying on the spray arm casing, the feed liquor passageway includes first feed liquor passageway and second feed liquor passageway, the portion of spraying includes first spray portion and second spray portion, first feed liquor passageway with first spray portion intercommunication, the second feed liquor passageway with second spray portion intercommunication.

Further, the spray arm shell is of a strip-shaped structure or a shuttle-shaped structure.

In some embodiments, the first spray portion and the second spray portion are disposed in parallel along a length direction of the spray arm housing.

Further, the first spraying portion comprises a first spraying hole and a plurality of second spraying holes, the second spraying portion comprises a third spraying hole and a plurality of fourth spraying holes, the first spraying hole and the spraying arm shell are at a certain angle, and the third spraying hole and the spraying arm shell are at a certain angle, so that water sprayed out from the first spraying hole and the third spraying hole is sprayed out to the surrounding emitting state.

Further, the first spraying holes and the third spraying holes are arranged at two ends of the spray arm shell; the number of the first spraying holes and the number of the third spraying holes are at least two respectively, and the number of the first spraying holes and the number of the third spraying holes are even.

Further, a part of the second spraying holes and the spray arm shell form a certain angle, and a part of the fourth spraying holes and the spray arm shell form a certain angle.

Further, the cross sections of the first spraying holes and the third spraying holes are rectangular holes or trapezoid holes, and the cross sections of the second spraying holes and the fourth spraying holes are round holes or elliptical holes or polygonal holes.

Further, the aperture of the second spraying hole is larger than the aperture of the fourth spraying hole, or the aperture of the fourth spraying hole is larger than the aperture of the second spraying hole.

In some embodiments, the first spray portion includes an a spray portion and a B spray portion, the second spray portion includes a C spray portion and a D spray portion, the a spray portion and the B spray portion are diagonally disposed, and the C spray portion and the D spray portion are diagonally disposed.

Further, the spraying part A and the spraying part D are arranged in parallel and symmetrically along the length direction of the spray arm shell, and the spraying part B and the spraying part C are arranged in parallel and symmetrically along the length direction of the spray arm shell.

Further, the spray part A and the spray part B respectively comprise a first spray hole and a plurality of second spray holes, and the spray part C and the spray part D respectively comprise a third spray hole and a plurality of fourth spray holes.

Further, the first spraying holes and the third spraying holes are formed in two ends of the spray arm shell, the first spraying holes and the spray arm shell are at a certain angle, and the third spraying holes and the spray arm shell are at a certain angle, so that water sprayed out from the first spraying holes and the third spraying holes is sprayed out in a state of being emitted to the periphery.

Further, the number of the first spraying holes and the number of the third spraying holes are at least two, and the number of the first spraying holes and the number of the third spraying holes are even.

Further, the liquid inlet comprises a first end and a second end, and the first end of the liquid inlet is communicated with the liquid inlet channel.

The spray arm assembly comprises a water diversion valve and the spray arm, and the second end of the liquid inlet is connected with the water diversion valve.

Further, the inner peripheral wall of the second end of the liquid inlet is provided with an internal thread, the water diversion valve is provided with a water outlet, the outer peripheral wall of the water outlet is provided with an external thread, and the internal thread and the external thread are connected in a matched mode.

Further, the water outlet of the water diversion valve is provided with a water retaining sheet, the outline of the water retaining sheet is of a circular structure, the size of the circular structure is matched with the inner diameter of the water outlet of the water diversion valve, and the circular structure comprises a sealing part and a hollowed-out part.

Further, the area of the sealing part is larger than that of the hollowed-out part.

A dishwasher comprising the spray arm assembly described above.

Compared with the existing products, the beneficial effects of the present disclosure are: the spray holes and the spray arm shell are at a certain angle, the first spray holes and the spray arm shell are arranged at an obtuse angle, the third spray holes and the spray arm shell are arranged at an obtuse angle, and the first spray holes and the third spray holes face outwards due to the arrangement, so that a better spray effect and a larger cleaning range are achieved; the spray holes with different sizes are arranged, so that the spray holes are various in use state and better in cleaning effect, water is reasonably distributed in the cleaning process, and the waste of water resources can be effectively avoided while the cleaning effect is ensured.

Drawings

The present application will be described in further detail below in conjunction with the drawings and preferred embodiments, but it will be appreciated by those skilled in the art that these drawings are drawn for the purpose of illustrating the preferred embodiments only and thus should not be taken as limiting the scope of the present application. Moreover, unless specifically indicated otherwise, the drawings are merely schematic representations, not necessarily to scale, of the compositions or constructions of the described objects and may include exaggerated representations.

FIG. 1 is one of the schematic structural diagrams of a first embodiment of the present disclosure;

FIG. 2 is an enlarged view of a portion of the present disclosure at A of FIG. 1;

FIG. 3 is a second schematic structural view of the first embodiment of the present disclosure;

FIG. 4 is a third schematic structural view of the first embodiment of the present disclosure;

FIG. 5 is a partial enlarged view of the present disclosure at B of FIG. 4;

FIG. 6 is a schematic structural diagram of a second embodiment of the present disclosure;

FIG. 7 is an enlarged view of a portion of the present disclosure at C of FIG. 6;

FIG. 8 is one of the exploded views of embodiment three of the present disclosure;

fig. 9 is a second exploded view of a third embodiment of the present disclosure.

Reference numerals illustrate:

1. a spray arm housing; 2. a liquid inlet; 3. a first liquid inlet channel; 4. a second liquid inlet channel; 5. a water blocking piece; 6. a shunt valve; 11. a first spray section; 12. a second spray section; 13. a first spray hole; 14. a second spray hole; 15. a third spray hole; 16. a fourth spray hole; 21. a spraying part A; 22. a spraying part B; 23. a spraying part C; 24. and D, spraying part.

Detailed Description

In order to better understand the technical solutions of the present disclosure, the present disclosure will be described in detail, clearly and completely with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the present disclosure.

In the description of the present utility model, the description of the first and second is only for the purpose of distinguishing technical features, and should not be construed as indicating or implying relative importance or implying the number of technical features indicated or the precedence of the technical features indicated.

It will be appreciated by those skilled in the art that in the present disclosure, the terms "longitudinal," "transverse," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," etc. refer to an orientation or positional relationship based on that shown in the drawings, which is merely for convenience of description and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore the above terms should not be construed as limiting the present utility model.

Embodiment one: referring to fig. 1 to 5, a spray arm includes a spray arm housing 1 and a liquid inlet 2, where the spray arm housing 1 may have a long strip structure or a shuttle structure, and the specific shape of the spray arm housing 1 is not limited herein. Be provided with the feed liquor passageway in the spray arm casing 1, feed liquor passageway and inlet 2 intercommunication, the feed liquor passageway includes first feed liquor passageway 3 and second feed liquor passageway 4, be provided with the portion of spraying on the spray arm casing 1, the portion of spraying includes first portion of spraying 11 and second portion of spraying 12, first portion of spraying 11 and second portion of spraying 12 parallel arrangement are on the spray arm casing 1, first feed liquor passageway 3 and first portion of spraying 11 intercommunication, second feed liquor passageway 4 and second portion of spraying 12 intercommunication.

In some embodiments, the first spray portion 11 and the second spray portion 12 are symmetrical about the length of the spray housing.

The first spraying portion 11 includes a first spraying hole 13 and a plurality of second spraying holes 14, the second spraying portion 12 includes a third spraying hole 15 and a plurality of fourth spraying holes 16, and the first spraying hole 13 and the third spraying hole 15 are respectively two.

In some embodiments, the second plurality of spray holes 14 and the fourth plurality of spray holes 16 are staggered.

It should be noted that, the first spraying holes 13 and the third spraying holes 15 are disposed at two ends of the spraying arm housing 1 in the length direction, the first spraying holes 13 and the spraying arm housing 1 are at a certain angle, and the third spraying holes 15 and the spraying arm housing 1 are at a certain angle, so that the water sprayed from the first spraying holes 13 and the third spraying holes 15 is sprayed in a state of being emitted to the periphery. It can be appreciated that the first spray holes 13 and the spray arm housing 1 are arranged at an obtuse angle, and the third spray holes 15 and the spray arm housing 1 are arranged at an obtuse angle, such that the first spray holes 13 and the third spray holes 15 are arranged outwards, and the spray arm housing has a better spray effect and a larger cleaning range. In particular, a part of the second spray holes 14 and the spray arm shell 1 are arranged at an obtuse angle, and a part of the second spray holes 14 and the spray arm shell 1 are arranged at a right angle; likewise, a part of the fourth spraying holes 16 and the spraying arm shell 1 are arranged at an obtuse angle, a part of the fourth spraying holes 16 and the spraying arm shell 1 are arranged at right angles, the spraying arm is provided with a multi-angle cleaning direction due to the arrangement of different angles, a larger cleaning range is provided, no cleaning dead angle exists, and the cleaning effect is effectively enhanced.

It should be noted that, the cross sections of the first spraying holes 13 and the third spraying holes 15 are rectangular holes or trapezoid holes, and because the rectangle and the trapezoid are flat, the water sprayed from the rectangular holes and the trapezoid holes are also flat long strips, and because the first spraying holes 13 and the third spraying holes 15 are arranged at two ends of the length direction of the spraying arm shell 1, the dirt and the foam on the tableware have larger impact force when spraying to the periphery, so as to achieve better cleaning effect. The cross sections of the second spray holes 14 and the fourth spray holes 16 are circular holes or elliptical holes or polygonal holes.

The aperture of the second spraying hole 14 is larger than that of the fourth spraying hole 16, the large-flow and small-flow spraying Kong Bingcun can be used alternately, the second spraying hole 14 and the fourth spraying hole 16 are various in use state, the cleaning effect is better, water is reasonably distributed in the cleaning process, and the waste of water resources can be effectively avoided while the cleaning effect is ensured.

The liquid inlet 2 comprises a first end and a second end, the first end of the liquid inlet 2 is communicated with the liquid inlet channel, and the second end is connected with the water diversion valve.

Embodiment two: referring to fig. 6-7, a spray arm comprises a spray arm shell 1 and a liquid inlet, wherein the liquid inlet 2 comprises a first end and a second end, and the second end is connected with a water diversion valve. The spray arm housing 1 may have a long strip-shaped structure or a shuttle-shaped structure, and the specific shape of the spray arm housing 1 is not limited herein. The spray arm comprises a spray arm shell body 1, wherein a liquid inlet channel is arranged in the spray arm shell body 1, a first end of a liquid inlet 2 is communicated with the liquid inlet channel, the liquid inlet channel comprises a first liquid inlet channel and a second liquid inlet channel, a spray part is arranged on the spray arm shell body 1 and comprises a first spray part and a second spray part, the first liquid inlet channel is communicated with the first spray part, and the second liquid inlet channel is communicated with the second spray part.

Specifically, the first spraying part comprises an A spraying part 21 and a B spraying part 22, the second spraying part comprises a C spraying part 23 and a D spraying part 24, the A spraying part 21 and the B spraying part 22 are arranged in a diagonal line, and the C spraying part 23 and the D spraying part 24 are arranged in a diagonal line; the spray part A21 and the spray part D24 are arranged in parallel and symmetrically along the length direction of the spray arm shell 1, and the spray part B22 and the spray part C23 are arranged in parallel and symmetrically along the length direction of the spray arm shell 1.

It should be noted that, the spray portion a 21 and the spray portion B22 respectively include a first spray hole 13 and a plurality of second spray holes 14, and the spray portion c 23 and the spray portion D24 respectively include a third spray hole 15 and a plurality of fourth spray holes 16. Specifically, the number of the first spraying holes 13 and the number of the third spraying holes 15 are two, the two spraying holes are arranged at two ends of the spray arm shell 1, the first spraying holes 13 and the spray arm shell 1 are at a certain angle, and the third spraying holes 15 and the spray arm shell 1 are at a certain angle, so that water sprayed from the first spraying holes 13 and the third spraying holes 15 is sprayed to the periphery in a state of being emitted. A portion of the second spray holes 14 are angled with respect to the spray arm housing 1 and a portion of the fourth spray holes 16 are angled with respect to the spray arm housing 1. The setting of different angles makes the spray arm have the cleaning position of multi-angle, has bigger cleaning range, can not have the cleaning dead angle, effectively strengthens the cleaning performance.

Embodiment III: referring to fig. 8-9, a spray arm assembly comprises a diverter valve and the spray arm described in the first embodiment, or comprises a diverter valve and the spray arm described in the second embodiment, and the diverter valve 6 is connected with the second end of the liquid inlet 2. The inner peripheral wall of the second end of the liquid inlet 2 is provided with an internal thread, the water diversion valve 6 is provided with a water outlet, the outer peripheral wall of the water outlet is provided with an external thread, and the internal thread is connected with the external thread in a matching way.

It is worth to say that, the delivery port of shunt valve 6 is provided with manger plate piece 5, and specifically, the profile of manger plate piece 5 is circular structure, and circular structure's size and the internal diameter phase-match of shunt valve 6 delivery port, circular structure include closure portion and fretwork portion, and the area of closure portion is greater than the area of fretwork portion, and the fretwork portion is fan-shaped structure.

The spray arm subassembly in this embodiment is at the during operation, and the spray arm is driven the rotation of incessantly under the reaction force of rivers, drives the rotation of its inside feed liquor passageway simultaneously, and under the synergism of manger plate piece 5 in addition, first spraying portion and second spraying portion in the spray arm spray water in turn, and the aperture that second spraying hole and fourth spraying hole size are different can spray water in turn, makes water obtain more reasonable distribution in the cleaning process, can avoid the waste of water resource effectively in the time of guaranteeing the cleaning performance.

Embodiment four: a dishwasher comprising the spray arm assembly described above.

The foregoing has outlined rather broadly the principles and embodiments of the present application in order that the detailed description of the utility model may be better understood, and in order that the present application may be better understood. It should be noted that it would be obvious to those skilled in the art that various improvements and modifications can be made to the present application without departing from the principles of the present application, and such improvements and modifications fall within the scope of the claims of the present application.

Claims

1. The spray arm is characterized by comprising a spray arm shell (1) and a liquid inlet (2), wherein a liquid inlet channel is arranged in the spray arm shell (1), the liquid inlet channel is communicated with the liquid inlet (2), a spray part is arranged on the spray arm shell (1), the liquid inlet channel comprises a first liquid inlet channel (3) and a second liquid inlet channel (4), the spray part comprises a first spray part (11) and a second spray part (12), the first liquid inlet channel (3) is communicated with the first spray part (11), and the second liquid inlet channel (4) is communicated with the second spray part (12); the first spraying part (11) and the second spraying part (12) are arranged in parallel along the length direction of the spray arm shell (1); the first spraying part (11) comprises a first spraying hole (13) and a plurality of second spraying holes (14), the second spraying part (12) comprises a third spraying hole (15) and a plurality of fourth spraying holes (16), the first spraying hole (13) and the spraying arm shell (1) are at a certain angle, and the third spraying hole (15) and the spraying arm shell (1) are at a certain angle, so that water sprayed out by the first spraying hole (13) and the third spraying hole (15) is sprayed out to the surrounding state.

2. A spray arm according to claim 1, characterized in that the first spray holes (13) and the third spray holes (15) are provided at both ends of the spray arm housing (1); the number of the first spraying holes (13) and the number of the third spraying holes (15) are at least two respectively, and the number of the first spraying holes (13) and the number of the third spraying holes (15) are even.

3. A spray arm according to claim 1, characterized in that a part of the second spray holes (14) is angled with respect to the spray arm housing (1) and a part of the fourth spray holes (16) is angled with respect to the spray arm housing (1).

4. A spray arm according to claim 1, characterized in that the cross-section of the first spray hole (13) and the third spray hole (15) is a rectangular hole or a trapezoidal hole, and the cross-section of the second spray hole (14) and the fourth spray hole (16) is a circular hole or an elliptical hole or a polygonal hole.

5. A spray arm according to claim 4, characterized in that the aperture of the second spray aperture (14) is larger than the aperture of the fourth spray aperture (16), or that the aperture of the fourth spray aperture (16) is larger than the aperture of the second spray aperture (14).

6. A spray arm according to claim 1, characterized in that the first spray part (11) comprises an a spray part (21) and a B spray part (22), the second spray part (12) comprises a C spray part (23) and a D spray part (24), the a spray part (21) and the B spray part (22) are arranged diagonally, and the C spray part (23) and the D spray part (24) are arranged diagonally.

7. A spray arm according to claim 6, wherein the a spray portion (21) and the C spray portion (23) are arranged in parallel and symmetrically along the length direction of the spray arm housing (1), and the B spray portion (22) and the D spray portion (24) are arranged in parallel and symmetrically along the length direction of the spray arm housing (1).

8. A spray arm according to claim 7, characterized in that the a spray part (21) and the B spray part (22) comprise a first spray hole (13) and a number of second spray holes (14), respectively, and the C spray part (23) and the D spray part (24) comprise a third spray hole (15) and a number of fourth spray holes (16), respectively.

9. A spray arm according to claim 8, characterized in that the first spray holes (13) and the third spray holes (15) are arranged at two ends of the spray arm housing (1), the first spray holes (13) and the spray arm housing (1) are at a certain angle, and the third spray holes (15) and the spray arm housing (1) are at a certain angle, so that the water sprayed from the first spray holes (13) and the third spray holes (15) is sprayed to the periphery.

10. A spray arm according to claim 9, characterized in that the number of the first spray holes (13) and the third spray holes (15) is at least two, respectively, and the number of the first spray holes (13) and the third spray holes (15) is even.

11. A spray arm according to claim 8, characterized in that a part of the second spray holes (14) is angled with respect to the spray arm housing (1) and a part of the fourth spray holes (16) is angled with respect to the spray arm housing (1).

12. A spray arm according to claim 8, characterized in that the cross-section of the first spray hole (13) and the third spray hole (15) is a rectangular hole or a trapezoidal hole, and the cross-section of the second spray hole (14) and the fourth spray hole (16) is a circular hole or an elliptical hole or a polygonal hole.

13. A spray arm according to claim 1, characterized in that the inlet (2) comprises a first end and a second end, the first end of the inlet (2) being in communication with the inlet channel.

14. Spray arm assembly, characterized in that it comprises a diverter valve (6) and a spray arm according to any of claims 1-13, the second end of the inlet (2) being connected to the diverter valve (6).

15. The spray arm assembly according to claim 14, wherein the inner peripheral wall of the second end of the liquid inlet (2) is provided with an internal thread, the water diversion valve (6) is provided with a water outlet, the outer peripheral wall of the water outlet is provided with an external thread, and the internal thread and the external thread are connected in a matching manner.

16. The spray arm assembly according to claim 15, wherein the water outlet of the water diversion valve (6) is provided with a water blocking sheet (5), the profile of the water blocking sheet (5) is of a circular structure, the size of the circular structure is matched with the inner diameter of the water outlet of the water diversion valve (6), and the circular structure comprises a sealing part and a hollowed-out part.

17. The spray arm assembly of claim 16, wherein the enclosed portion has an area greater than the hollowed-out portion.

18. A dishwasher comprising a spray arm assembly according to any one of claims 14 to 17.