CN217938153U - Spray arm and dish washing machine - Google Patents

Abstract

The utility model provides a spray arm and dish washer belongs to kitchen appliance technical field. The spray arm comprises a spray arm body and a first mounting seat, wherein the spray arm body is provided with a spray arm body inner cavity, a plurality of spray holes and a water inlet, and the plurality of spray holes and the water inlet are communicated with the spray arm body inner cavity; the first mounting seat is arranged at the water inlet and provided with a mounting seat inner cavity; the first mounting seat is arranged on a spray arm seat of the dish-washing machine, so that the inner cavity of the spray arm body is communicated with the inner cavity of the spray arm seat through the inner cavity of the mounting seat. The utility model provides a spray arm and dish washer for conveniently dredge the hole for water spraying, promote dish washer's washing effect.

Description

Spray arm and dish washing machine

Technical Field

The utility model relates to a kitchen appliance technical field, in particular to spray arm and dish washer.

Background

A dish washer is a device for automatically cleaning tableware such as dishes, chopsticks, plates, dishes, knives, forks and the like.

In the prior art, when the dishwasher works, water firstly flows to the bottom of the inner container, is sucked by the washing pump after being filtered, is conveyed to the spray arm seat along a pipeline (such as a water inlet pipe) after being centrifugally pressurized by the washing pump, and is sprayed out from the spray holes on the spray arm to wash tableware because the spray arm seat is connected with the water inlet at the lower end of the spray arm, so that the water centrifugally pressurized by the washing pump sequentially enters the spray arm through the pipeline and the water inlet, and then returns to the bottom of the inner container to complete one cycle, and the tableware is continuously washed in such a cycle so as to complete the washing of the tableware.

For the spray arm, have very important effect in whole washing process, spray arm pivoted flexibility and the smoothness nature of hole for water spraying will all directly influence the washing effect of tableware, and what most dish washer that sell on the market used spray arm adopts an organic whole structure, can't dismantle, when the hole for water spraying blocks up, wash from water inlet department usually to dredge the hole for water spraying, and the water inlet is far away from the hole for water spraying, so be difficult for dredging the hole for water spraying at the water inlet department, influence the washing effect of dish washer.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a spray arm and dish washer for conveniently dredge the hole for water spraying, promote dish washer's washing effect.

The above object of the present invention can be achieved by the following technical solutions:

the utility model provides a spray arm, include:

the spray arm body is provided with a spray arm body inner cavity, a plurality of water spray holes and a water inlet, and the plurality of water spray holes and the water inlet are communicated with the spray arm body inner cavity;

the first mounting seat is arranged at the water inlet and is provided with a mounting seat inner cavity;

the first mounting seat is configured on the spray arm seat of the dish-washing machine, so that the inner cavity of the spray arm body is communicated with the inner cavity of the spray arm seat through the inner cavity of the mounting seat.

The utility model discloses an in an embodiment, still include the second mount pad, the one end that the spray arm body deviates from first mount pad has the mount pad installing port, and the second mount pad sets up in mount pad installing port department.

In an embodiment of the present invention, the second mounting seat is connected to the first mounting seat in a state where the spray arm body clamp is disposed between the first mounting seat and the second mounting seat.

The utility model discloses an in the embodiment, still include spacing part, be located between first mount pad and the second mount pad, spacing part configuration is for the second mount pad passes through spacing part and connects first mount pad to restriction first mount pad moves relative to the second mount pad.

In one embodiment of the present invention, a first channel and a second channel communicated with each other are sequentially disposed from bottom to top at one end of the second mounting seat facing the first mounting seat, and a step surface is formed between the first channel and the second channel; the spacing part includes:

the at least one axial limiting piece is connected to the upper end of the first installation seat, and the at least one axial limiting piece is configured to enable the at least one axial limiting piece to sequentially extend into the first channel and the second channel through the water inlet and rotate to be abutted against the step surface by taking the axis of the first installation seat as a rotating shaft.

In one embodiment of the present invention, the position limiting member further comprises a rotation angle limiting member, the rotation angle limiting member is disposed between the first passage and the second passage, the at least one axial limiting piece is abutted against the rotation angle limiting piece when the at least one axial limiting piece rotates by taking the axis of the first mounting seat as a rotating shaft.

The utility model discloses an in the embodiment, spacing part still includes the backstop, sets up in the step face, and the backstop configuration is under the state of at least one axial locating part butt step face, and the circumference motion of restriction at least one axial locating part along first mount pad to restrict at least one axial locating part gyration.

In one embodiment of the utility model, the non-return piece comprises a non-return protrusion and a non-return groove which can be matched with each other, wherein,

the non-return bulge is arranged on the step surface, and the non-return groove is arranged at the lower end of at least one axial limiting piece; alternatively, the first and second liquid crystal display panels may be,

the non-return groove is arranged on the step surface, and the non-return bulge is arranged at the lower end of the at least one axial limiting part.

The utility model discloses an in an embodiment, the periphery wall of the lower part of second mount pad is equipped with the apopore, and under the state that the spray arm body clamp was located between first mount pad and the second mount pad, the lower part of second mount pad was located spray arm body inner chamber, and spray arm seat inner chamber loops through mount pad inner chamber, first passageway, second passageway, apopore intercommunication spray arm body inner chamber.

In one embodiment of the present invention, the water outlet hole exposes the stopper.

The utility model discloses an in the embodiment, still include the part that splines, connect in the upper end of first mount pad and along the axial extension setting of first mount pad, the part configuration that splines is arranged as under the state that the spray arm body clamp was located between first mount pad and the second mount pad, and the part that splines is located the spray arm body to restrict first mount pad and rotate for the spray arm body.

The utility model discloses an in the embodiment, it is protruding that the spline component is the spline, and the bellied periphery wall of spline has a spline plane, and the shape of water inlet and the shape phase-match of the bellied periphery wall of spline, the spline component is located the water inlet of spray arm body.

In one embodiment of the present invention, the rotation stopping member is a regular polygon along a radial cross section of the first mounting seat.

The utility model discloses an in the embodiment, only seted up on the commentaries on classics part and only changeed the part apopore, only changeed part apopore intercommunication mount pad inner chamber and spray arm body inner chamber.

In one embodiment of the present invention, the device further comprises a supporting component disposed at the water outlet of the rotation stopping component, and at least one axial limiting component is connected to the upper end of the first mounting seat through the supporting component;

the lower part of the supporting component is provided with a plurality of protruding ribs which are evenly arranged at the water outlet of the rotation stopping component along the circumferential direction of the first mounting seat, and the outer end of each protruding rib radially extends to the periphery of the water outlet of the rotation stopping component along the first mounting seat to be connected with the periphery of the water outlet of the rotation stopping component.

The utility model discloses an among the embodiment, at least one supporting member apopore has been seted up on the supporting member, locate under the state between first mount pad and the second mount pad at spray arm body clamp, spray arm seat inner chamber loops through the mount pad inner chamber, only change the part apopore, the supporting member apopore, first passageway, second passageway intercommunication spray arm body inner chamber, and the supporting member apopore is located only change the part apopore in only change the orthographic projection of part at the orthographic projection of part.

In one embodiment of the present invention, the axial stoppers are provided in plurality, and the plurality of axial stoppers are provided at regular intervals along the outer peripheral wall of the upper portion of the support member.

The utility model discloses an in the embodiment, still include a plurality of jack catchs, set up in the periphery wall of first mount pad, the periphery wall of the tip of the spray arm seat of dish washer encloses and is equipped with the screens flange, and a plurality of jack catchs block in the screens flange on first mount pad through it to make first mount pad rotationally dispose in the spray arm seat of dish washer.

The utility model also provides a dish washer, include:

the spray arm seat is provided with a spray arm seat inner cavity;

the spray arm comprises the spray arm body and the first mounting seat which are connected, wherein the spray arm body is provided with a spray arm body inner cavity, the first mounting seat is arranged on a spray arm seat of the dish washing machine, and the spray arm body inner cavity is communicated with a spray arm seat inner cavity of the spray arm seat through the mounting seat inner cavity.

The utility model discloses a spray arm and dish washer's characteristics and advantage are:

the utility model discloses a spray arm, first mount pad sets up in the water inlet department of spray arm body, this first mount pad disposes in the spray arm seat of dish washer, make spray arm body inner chamber through the spray arm seat inner chamber of mount pad inner chamber intercommunication spray arm seat, in concrete application, when the water spray hole blocks up, can lift first mount pad off from the water inlet department of spray arm body, and with water pipe (for example, the water pipe) directly connect in water inlet department, water in this water pipe enters spray arm body through the water inlet, after water pressure's effect flows out from the hole for water spraying, thereby dredge the hole for water spraying, compared with the prior art, because the water inlet is nearer apart from the hole for water spraying, water pressure is great when dredging in the water inlet department, easily dredge the hole for water spraying, promote the washing effect of dish washer; and, through split type design, still be convenient for wash spray arm body and first mount pad respectively.

Drawings

The above and other features and advantages of the present invention will become more apparent by describing in detail exemplary embodiments thereof with reference to the attached drawings.

Fig. 1 is an exploded view of a spray arm of the present invention;

fig. 2 is a schematic front view of the spray arm of the present invention;

FIG. 3 isbase:Sub>A schematic cross-sectional view taken along A-A of FIG. 2;

fig. 4 is an exploded view of the middle nozzle arm body of the present invention;

fig. 5 is a perspective view of the second mounting seat connecting to the first mounting seat of the present invention;

fig. 6 is a perspective view of an angle of the second mounting base of the present invention;

fig. 7 is a perspective view of another angle of the second mounting base of the present invention;

fig. 8 is a perspective view of the first mounting base of the present invention.

Reference numerals and description:

1. a spray arm body; 11. a water spray hole; 12. a water inlet; 13. a mounting seat mounting opening; 14. a spray arm top cover; 15. a spray arm base plate;

2. a first mounting seat; 21. an inner cavity of the mounting seat;

3. a second mounting seat; 31. a first channel; 32. a second channel; 33. a step surface; 34. a water outlet hole; 35. a top mating platform; 36. rotating the handle; 37. extending into the gap; 38. abutting against the boss;

4. a limiting component; 41. an axial stop; 42. a rotation angle restricting member; 43. a check member; 431. a non-return protrusion; 432. a non-return groove;

5. a rotation stopping member; 51. a water outlet of the rotation stopping component; 52. a rotation stopping plane;

6. a support member; 61. a raised rib; 62. a support member water outlet;

7. a claw;

and O, the axial direction of the first mounting seat.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus their detailed description will be omitted.

The terms "a," "an," "the," "said" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.

Implementation mode one

As shown in fig. 1 to 8, the utility model provides a spray arm, which comprises a spray arm body 1 and a first mounting seat 2, wherein the spray arm body 1 is provided with a spray arm body inner cavity (or a water collecting cavity), a plurality of spray holes 11 and a water inlet 12, and the plurality of spray holes 11 and the water inlet 12 are both communicated with the spray arm body inner cavity; the first mounting seat 2 is arranged at the water inlet 12, and the first mounting seat 2 is provided with a mounting seat inner cavity 21; the first mounting seat 2 is configured on a spray arm seat of the dish-washing machine, so that the inner cavity of the spray arm body is communicated with the inner cavity of the spray arm seat through the inner cavity 21 of the mounting seat.

The utility model discloses a spray arm, first mount pad 2 sets up in the water inlet 12 department of spray arm body 1, this first mount pad 2 disposes in the spray arm seat of dish washer, make spray arm body inner chamber communicate the spray arm seat inner chamber of spray arm seat through mount pad inner chamber 21, in concrete application, when hole for water spraying 11 blocks up, can lift first mount pad 2 off from the water inlet 12 department of spray arm body 1, and connect the water pipe (for example, the water pipe) directly at water inlet 12 department, water in this water pipe gets into spray arm body 1 back through water inlet 12, flow out from hole for water spraying 11 under the effect of water pressure, thereby mediation hole for water spraying 11, compared with the prior art, because water inlet 12 is nearer hole for water spraying 11, so water pressure is great when dredging in water inlet 12 department, hole for water spraying 11 for water spraying is easily dredged, promote the washing effect of dish washer; in addition, through the split design of the first mounting seat 2 and the spray arm body 1, the spray arm body 1 and the first mounting seat 2 can be cleaned conveniently and respectively.

Specifically, as shown in fig. 5, the spray arm of the present invention may further include a plurality of (e.g., two) claws 7, the claws 7 may be evenly spaced apart from each other and arranged on the outer peripheral wall of the first mounting seat 2, a retaining flange is defined on the outer peripheral wall of the end of the spray arm seat of the dishwasher, and the first mounting seat 2 is retained on the retaining flange by the claws 7 thereon, so that the first mounting seat 2 is rotatably disposed on the spray arm seat of the dishwasher.

Further, as shown in fig. 1, fig. 4 and fig. 5, the spray arm of the present invention may further include a second mounting seat 3, one end of the spray arm body 1 away from the first mounting seat 2 has a mounting seat mounting opening 13, the second mounting seat 3 is disposed at the mounting seat mounting opening 13, in specific applications, when the spray hole 11 is blocked, both the first mounting seat 2 and the second mounting seat 3 may be detached from the spray arm body 1, and a water pipe (for example, a tap water pipe) is connected to the water inlet 12 and the mounting seat mounting opening 13, respectively, water in the water pipe may flow out from the spray hole 11 under the action of water pressure after entering the spray arm body 1 through the water inlet 12 and the mounting seat mounting opening 13, thereby dredging the spray hole 11, compared with the prior art, because the water inlet 12 and the mounting seat mounting opening 13 are closer to the spray hole 11, the water pressure is larger during dredging, the spray hole 11 is easy to dredge, and the washing effect of the dishwasher is improved; in addition, through the split design of the first mounting seat 2, the spray arm body 1 and the second mounting seat 3, the spray arm body 1, the first mounting seat 2 and the second mounting seat 3 can be cleaned conveniently.

Further, as shown in fig. 1 and 5, in a state that the spray arm body 1 is clamped between the first mounting seat 2 and the second mounting seat 3, the second mounting seat 3 is connected to the first mounting seat 2, and in a specific application, when the water spraying hole 11 is blocked, the first mounting seat 2 and the second mounting seat 3 can be separated first, so that the spray arm body 1 can be detached, and the operation is convenient.

In the present embodiment, the second mounting base 3 is connected to the first mounting base 2 by one of clamping, screwing and bundling.

Further, as shown in fig. 6 to 8, the spray arm of the present invention may further include a limiting component 4 located between the first mounting seat 2 and the second mounting seat 3, wherein the limiting component 4 is configured to connect the second mounting seat 3 to the first mounting seat 2 through the limiting component 4, so as to limit the movement of the first mounting seat 2 relative to the second mounting seat 3.

Specifically, as shown in fig. 4 to 7, a first channel 31 and a second channel 32 which are communicated with each other may be sequentially disposed from bottom to top at one end of the second mounting seat 3 facing the first mounting seat 2, and a step surface 33 is formed between the first channel 31 and the second channel 32; the limiting component 4 includes at least one axial limiting component 41 connected to the upper end of the first mounting seat 2, the at least one axial limiting component 41 is configured to make it sequentially extend into the first passage 31 and the second passage 32 through the water inlet 12, and rotate to abut against the step surface 33 with the axis of the first mounting seat 2 as a rotating shaft, that is, one end of the second mounting seat 3 facing the first mounting seat 2 is equivalent to upward opening a stepped hole with sequentially increasing hole diameter along the axial direction O thereof, and opening three extending gaps 37 for the axial limiting component 41 to extend into on the hole shoulder of the stepped hole, a abutting boss 38 is formed between every two adjacent extending gaps 37, the upper end of the abutting boss 38 is the step surface 33, and through the above structure, so as to facilitate assembly and disassembly, in a specific application, when the mounting device is mounted, the second mounting seat 3 can extend into the mounting seat inner cavity 21 through the mounting seat mounting opening 13, and the axial limiting component 41 on the first mounting seat 2 extends into the mounting seat inner cavity 21 through the water inlet 12, and then sequentially extends into the first passage 31 and the second passage 32, and rotates to abut against the step surface 33 with the axis of the rotating shaft 2 as a rotating shaft.

More specifically, as shown in fig. 6, the limiting member 4 may further include a rotation angle limiting member 42, the rotation angle limiting member 42 is disposed between the first channel 31 and the second channel 32, and at least one axial limiting member 41 abuts against the rotation angle limiting member 42 when the axial limiting member rotates around the axis of the first mounting seat 2.

Further, as shown in fig. 5, the limiting member 4 may further include a check member 43 disposed on the step surface 33, and the check member 43 is configured to limit the circumferential movement of the at least one axial limiting member 41 along the first mounting seat 2 in a state where the at least one axial limiting member 41 abuts against the step surface 33, so as to limit the rotation of the at least one axial limiting member 41.

Further, as shown in fig. 5 to 7, the check member 43 may include a check protrusion 431 and a check groove 432 that are capable of being fitted, wherein the check protrusion 431 is disposed on the step surface 33, and the check groove 432 is disposed at the lower end of the at least one axial retaining member 41; alternatively, the check groove 432 is provided in the step surface 33, and the check projection 431 is provided in the lower end of the at least one axial stopper 41.

In this embodiment, as shown in fig. 5, the outer peripheral wall of the lower portion of the second mounting seat 3 is provided with a water outlet 34, the lower portion of the second mounting seat 3 is located in the inner cavity of the spray arm body in a state where the spray arm body 1 is clamped between the first mounting seat 2 and the second mounting seat 3, and the inner cavity of the spray arm body is communicated with the inner cavity of the spray arm body sequentially through the mounting seat inner cavity 21, the first passage 31, the second passage 32, and the water outlet 34, and in a specific application, not only can water in the inner cavity of the spray arm seat enter the inner cavity of the spray arm body through the mounting seat inner cavity 21, but also water in the inner cavity of the spray arm seat can be connected to the inner cavity of the spray arm body sequentially through the first passage 31, the second passage 32, and the water outlet 34, thereby reducing blocking of water flow, reducing impact of water flow on the first mounting seat 2, and improving reliability of the second mounting seat 3.

In some embodiments, as shown in fig. 4 to 7, the spray arm body 1 may include a spray arm top cover 14 and a spray arm bottom plate 15 connected (e.g., riveted), the water inlet 12 is disposed on the spray arm bottom plate 15, a boss is disposed on the spray arm top cover 14, a mounting seat mounting port 13 is disposed on the boss of the spray arm top cover 14 and corresponds to the position of the water inlet 12, the mounting seat mounting port 13 communicates with the spray arm body cavity, the spray arm top cover 14 and the spray arm bottom plate 15 enclose to form the spray arm body cavity, and the water spray hole 11 may be disposed on the spray arm top cover 14 and the spray arm bottom plate 15; moreover, one end of the second mounting seat 3, which is away from the first mounting seat 2, may be provided with a top matching platform 35, a peripheral edge of a lower end of the top matching platform 35 has a supporting surface, and the top matching platform 35 supports against a peripheral edge of the mounting seat mounting opening 13 through the supporting surface.

In some embodiments, as shown in fig. 7, the upper end of the top mating platform 35 may also be provided with a rotating handle 36 (or may be referred to as a grip boss) to facilitate manual manipulation by a user.

Further, as shown in fig. 5 to 8, the outlet hole 34 can expose the position limiting component 4, and through the above-mentioned structure, not only the production (for example, the demolding) is facilitated, but also the position of the position limiting component 4 can be conveniently observed through the outlet hole 34, and the material of the second mounting seat 3 can be saved.

In an embodiment of the present invention, as shown in fig. 5 and 8, the spray arm of the present invention may further include a rotation stopping member 5, which is connected to the upper end of the first mounting seat 2 and is disposed along the axial direction O of the first mounting seat 2, the rotation stopping member 5 is configured to be disposed in the spray arm body 1 in a state where the spray arm body 1 is sandwiched between the first mounting seat 2 and the second mounting seat 3, and the rotation stopping member 5 is located in the spray arm body 1 to restrict the first mounting seat 2 from rotating relative to the spray arm body 1, that is, by the above-mentioned structural arrangement, the first mounting seat 2 may not rotate relative to the spray arm body 1, and thus, the spray arm may be conveniently assembled.

Specifically, as shown in fig. 8, the rotation stopping member 5 may be a rotation stopping protrusion, the outer peripheral wall of the rotation stopping protrusion has a rotation stopping plane 52, the shape of the water inlet 12 matches with the shape of the outer peripheral wall of the rotation stopping protrusion, and the rotation stopping member 5 is located in the water inlet 12 of the spray arm body 1; furthermore, a circular boss is arranged on the spray arm bottom plate 15, and the water inlet 12 is arranged on the circular boss.

In a possible embodiment, as shown in fig. 8, the section of the rotation stop protrusion along the radial direction of the first mounting seat 2 may be a regular polygon (e.g., a regular hexagon or a regular octagon).

In another possible embodiment, the rotation stop protrusion may have an oval cross section along the radial direction of the first mounting seat 2, that is, the rotation stop protrusion may have a cylindrical shape, and the cross section may have an oval shape, and the height direction thereof may be parallel to the axial direction O of the first mounting seat 2.

Furtherly, can open on the rotation stopping part 5 and be equipped with rotation stopping part apopore 51, rotation stopping part apopore 51 intercommunication mount pad inner chamber 21 and spray arm body inner chamber, through the setting of above-mentioned structure, reducible rotation stopping part 5 stops blockking to rivers, makes more rivers flow to spray arm body inner chamber as far as, reduces the impact that rivers caused rotation stopping part 5 moreover, improves rotation stopping part 5's reliability, makes it not fragile.

In some embodiments, the first mounting seat 2 may be cylindrical, and a mounting platform (or an annular flange) for abutting against the periphery of the water inlet 12 is disposed around the upper end of the first mounting seat 2.

Furthermore, as shown in fig. 8, the spray arm of the present invention may further include a supporting member 6 disposed at the water outlet 51 of the rotation stopping member, and at least one axial limiting member 41 is connected to the upper end of the first mounting seat 2 through the supporting member 6; the lower part of support component 6 has a plurality of protruding muscle 61, a plurality of protruding muscle 61 evenly set up in the part apopore 51 department of splining along the circumferencial direction of first mount pad 2, and the outer end of each protruding muscle 61 radially extends to and meets with the periphery of part apopore 51 of splining along first mount pad 2, through the above-mentioned structure setting, can be easy to assemble axial locating part 41, and more firm, that is, support component 6 can provide an installation basis for axial locating part 41.

The utility model discloses an in one embodiment, as shown in fig. 8, at least one supporting member apopore 62 has been seted up on the supporting member 6, under the state that spray arm body 1 presss from both sides and locates between first mount pad 2 and the second mount pad 3, spray arm seat inner chamber loops through mount pad inner chamber 21, rotation stopping member apopore 51, supporting member apopore 62, first passageway 31, second passageway 32 intercommunication spray arm body inner chamber, and supporting member apopore 62 is located rotation stopping member apopore 51 in rotation stopping member 5's orthographic projection, through the above-mentioned structure setting, reducible supporting member 6 blocks to rivers, make more rivers flow to spray arm body inner chamber as far as possible, and reducible rivers are to the impact that supporting member 6 caused, improve supporting member 6's reliability, make its volume, moreover, still can reduce the volume of supporting member 6, reduce the inner chamber space of the shared spray arm body 1 of supporting member 6, make more rivers can get into spray arm body 1, can make more jettisonings from the hydroenergy, promote the washing effect of dish washer to the hole for water jet 11.

In some embodiments, as shown in fig. 8, the upper portion of the supporting member 6 has a cylindrical shape, a plurality of (e.g., three) supporting member water outlets 62 are provided, and the plurality of supporting member water outlets 62 are uniformly spaced along the circumferential direction of the first mounting seat 2.

Further, as shown in fig. 8, the number of the axial stoppers 41 may be plural (for example, three, four or more), and the plural axial stoppers 41 are uniformly spaced along the outer peripheral wall of the upper portion of the supporting member 6, and by the above structure, the connection reliability of the second mounting base 3 to the first mounting base 2 can be improved.

Therefore, the spray arm of the utility model can be assembled by clamping the spray arm body 1 through the first mounting seat 2 and the second mounting seat 3 and rotating the spray arm body relative to the first mounting seat and the second mounting seat.

Second embodiment

The utility model provides a dish washing machine, which comprises a spray arm seat and a spray arm in the first embodiment, wherein the spray arm seat is provided with an inner cavity of the spray arm seat; the spray arm comprises a spray arm body 1 and a first mounting seat 2 which are connected, the spray arm body 1 is provided with a spray arm body inner cavity, the first mounting seat 2 is arranged on a spray arm seat of the dish-washing machine, and the spray arm body inner cavity is communicated with a spray arm seat inner cavity of the spray arm seat through a mounting seat inner cavity 21.

The specific structure, operation principle and beneficial effects of the spray arm are the same as those of the first embodiment, and are not described herein again.

In the embodiments of the present invention, the term "plurality" means two or more unless explicitly defined otherwise. The terms "mounted," "connected," "fixed," and the like are used broadly and should be construed to mean, for example, that "connected" may be a fixed connection, a removable connection, or an integral connection. The specific meaning of the above terms in the embodiments of the present invention can be understood by those skilled in the art according to specific situations.

In the description of the embodiments of the present invention, it should be understood that the terms "upper" and "lower" are used for indicating the position or the positional relationship based on the position or the positional relationship shown in the drawings, and are only for convenience of describing the embodiments of the present invention and simplifying the description, but not for indicating or implying that the indicated device or unit must have a specific direction, be constructed and operated in a specific position, and thus, should not be construed as limiting the embodiments of the present invention.

In the description herein, the description of the terms "one embodiment," "a preferred embodiment," etc. means 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 embodiments of the invention. In this specification, the schematic representations of the terms used above do not necessarily 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.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made to the embodiment by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the embodiments of the present invention should be included in the protection scope of the embodiments of the present invention.

Claims (19)

1. A spray arm, comprising:

the spray arm comprises a spray arm body (1) and a spray arm body, wherein the spray arm body is provided with a spray arm body inner cavity, a plurality of water spray holes (11) and a water inlet (12), and the plurality of water spray holes (11) and the water inlet (12) are communicated with the spray arm body inner cavity;

the first mounting seat (2) is arranged at the water inlet (12), and the first mounting seat (2) is provided with a mounting seat inner cavity (21);

the first mounting seat (2) is configured on a spray arm seat of a dish washing machine, so that the inner cavity of the spray arm body is communicated with the inner cavity of the spray arm seat through the mounting seat inner cavity (21).

2. The spray arm of claim 1,

still include second mount pad (3), spout arm body (1) and deviate from the one end of first mount pad (2) has mount pad installing port (13), second mount pad (3) set up in mount pad installing port (13) department.

3. The spray arm of claim 2,

the second mounting seat (3) is connected with the first mounting seat (2) in a state that the spray arm body (1) is clamped between the first mounting seat (2) and the second mounting seat (3).

4. The spray arm of claim 3,

the limiting component (4) is located between the first mounting seat (2) and the second mounting seat (3), and the limiting component (4) is configured to enable the second mounting seat (3) to be connected with the first mounting seat (2) through the limiting component (4) so as to limit the first mounting seat (2) to move relative to the second mounting seat (3).

5. The spray arm of claim 4,

a first channel (31) and a second channel (32) which are communicated with each other are sequentially arranged at one end, facing the first mounting seat (2), of the second mounting seat (3) from bottom to top, and a step surface (33) is formed between the first channel (31) and the second channel (32); the limiting part (4) comprises:

at least one axial locating part (41) is connected to the upper end of the first installation seat (2), and at least one axial locating part (41) is configured to enable the axial locating part to sequentially extend into the first channel (31) and the second channel (32) through the water inlet (12), and the axial line of the first installation seat (2) is used as a rotating shaft to rotate to abut against the step surface (33).

6. The spray arm of claim 5,

the limiting component (4) further comprises a rotation angle limiting piece (42), the rotation angle limiting piece (42) is arranged between the first channel (31) and the second channel (32), and at least one axial limiting piece (41) is abutted to the rotation angle limiting piece (42) when the axial limiting piece rotates by taking the axis of the first mounting seat (2) as a rotating shaft.

7. The spray arm of claim 5,

the limiting component (4) further comprises a check piece (43) arranged on the step surface (33), and the check piece (43) is configured to limit circumferential movement of at least one axial limiting piece (41) along the first mounting seat (2) in a state that at least one axial limiting piece (41) abuts against the step surface (33) so as to limit rotation of the at least one axial limiting piece (41).

8. Spray arm according to claim 7, characterized in that the non-return means (43) comprise a co-operable non-return projection (431) and non-return groove (432), wherein,

the check protrusion (431) is arranged on the step surface (33), and the check groove (432) is arranged at the lower end of at least one axial limiting piece (41); alternatively, the first and second electrodes may be,

the check groove (432) is formed in the step surface (33), and the check protrusion (431) is formed at the lower end of at least one of the axial stoppers (41).

9. The spray arm of claim 7,

the periphery wall of the lower part of second mount pad (3) is equipped with apopore (34) spout arm body (1) and press from both sides and locate first mount pad (2) with under the state between second mount pad (3), the lower part of second mount pad (3) is located spout arm body intracavity, just spout arm seat inner chamber loops through mount pad inner chamber (21), first passageway (31), second passageway (32) apopore (34) intercommunication spout arm body inner chamber.

10. The spray arm of claim 9,

the water outlet hole (34) exposes out of the limiting part (4).

11. The spray arm according to any one of claims 5 to 10,

the spray arm structure is characterized by further comprising a rotation stopping component (5) which is connected to the upper end of the first installation seat (2) and arranged along the axial direction of the first installation seat (2), wherein the rotation stopping component (5) is configured to be located in the spray arm body (1) in a state that the spray arm body (1) is clamped between the first installation seat (2) and the second installation seat (3), and the rotation stopping component (5) is located in the spray arm body (1) so as to limit the first installation seat (2) to rotate relative to the spray arm body (1).

12. The spray arm of claim 11,

the rotation stopping component (5) is protruding in a rotation stopping mode, the peripheral wall of the rotation stopping protrusion is provided with a rotation stopping plane (52), the shape of the water inlet (12) is matched with the shape of the peripheral wall of the rotation stopping protrusion, and the rotation stopping component (5) is located in the water inlet (12) of the spray arm body (1).

13. The spray arm of claim 11,

the section of the rotation stopping component (5) along the radial direction of the first mounting seat (2) is in a regular polygon shape.

14. The spray arm of claim 11,

the rotation stopping component (5) is provided with a rotation stopping component water outlet (51), and the rotation stopping component water outlet (51) is communicated with the mounting seat inner cavity (21) and the spray arm body inner cavity.

15. The spray arm of claim 14,

the bearing device is characterized by further comprising a supporting component (6) arranged at the position of the rotation stopping component water outlet hole (51), and at least one axial limiting piece (41) is connected to the upper end of the first mounting seat (2) through the supporting component (6);

the lower part of supporting component (6) has a plurality of protruding muscle (61), and is a plurality of protruding muscle (61) are followed the circumferencial direction of first mount pad (2) evenly set up in rotation stopping part apopore (51) department, and each the outer end of protruding muscle (61) is followed the radial extension of first mount pad (2) extend to with the periphery of rotation stopping part apopore (51) meets.

16. The spray arm of claim 15,

at least one supporting part water outlet hole (62) is formed in the supporting part (6), the spray arm body (1) is clamped between the first mounting seat (2) and the second mounting seat (3), the inner cavity of the spray arm seat sequentially passes through the mounting seat inner cavity (21), the rotation stopping part water outlet hole (51), the supporting part water outlet hole (62), the first channel (31) and the second channel (32) to be communicated with the inner cavity of the spray arm body, and the orthographic projection of the rotation stopping part (5) is located in the orthographic projection of the rotation stopping part water outlet hole (51) of the rotation stopping part (5).

17. The spray arm of claim 15,

the number of the axial limiting parts (41) is multiple, and the axial limiting parts (41) are uniformly arranged at intervals along the peripheral wall of the upper part of the supporting component (6).

18. The spray arm of claim 1,

still include a plurality of jack catchs (7), set up in the periphery wall of first mount pad (2), the periphery wall of the tip of spouting the arm seat encloses and is equipped with the screens flange, first mount pad (2) are through a plurality of above that jack catchs (7) block in the screens flange, so that first mount pad (2) rotationally dispose in spout the arm seat.

19. A dishwasher, comprising:

the spray arm seat is provided with a spray arm seat inner cavity;

the spray arm according to any one of claims 1 to 18, comprising a spray arm body (1) and a first mounting seat (2) which are connected, wherein the spray arm body (1) is provided with a spray arm body inner cavity, the first mounting seat (2) is arranged on the spray arm seat, and the spray arm body inner cavity is communicated with the spray arm seat inner cavity through a mounting seat inner cavity (21).

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