CN218356129U - Dish washer top spray set and dish washer - Google Patents

Abstract

The utility model discloses a dish washer top spray set and dish washer, wherein, dish washer top spray set includes water guide, goes up spray arm and joint subassembly. The utility model discloses technical scheme rotationally installs spray arm on the water guide through adopting the joint subassembly. The clamping assembly comprises a buckle and a rotating buckle, a plurality of clamping parts are arranged on the periphery of the rotating buckle, and the upper spray arm is ensured to be communicated with the connecting part; be provided with the spacing convex part that matches with joint portion on the connecting portion, detain soon and rotate back spacing convex part and joint portion joint, the buckle is used for rotationally installing on detaining soon the upper spray arm. Therefore, the technical scheme of the utility model the spout arm is rotationally installed on detaining soon through will going up the buckle, will detain soon again and water guide joint to it rotationally installs on water guide to go up the spout arm. So, the assembly of going up the spray arm only needs to rotate the turn-buckle, and it is also simple to dismantle the maintenance, and the change of part is convenient, and the reliability is high.

Description

Dish washer top spray set and dish washer

Technical Field

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

Background

In the related art, some dish washing machines are provided with a top spray assembly, which includes a mounting seat, a spray arm and a fixing ring, and the spray arm is fixedly connected to the mounting seat through the fixing ring. Wherein solid fixed ring is two semi-ring structures, during the installation, puts the spray arm earlier on the installation position that the mount pad corresponds, encircles the junction of mount pad and spray arm with two semi-ring structures again, then two semi-rings of lock to make the spray arm fix on the mount pad. During the dismantlement, hold the spray arm, press the release button of snap ring, gu fixed ring divides into the structure of two semi-rings, can take off the spray arm, this kind of spray assembly structure is complicated relatively, and the dismouting operation degree of difficulty is high, and the dismouting is efficient.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a dish washer top spray set spare, aim at solving the inconvenient technical problem of current dish washer top spray set installation.

In order to achieve the above object, the present invention provides a dishwasher top spray assembly comprising:

a water guide having a connection part;

the upper spray arm is communicated with the connecting part;

the joint subassembly, the joint subassembly is including spinner and buckle, the spinner has a plurality of edges the joint portion that spinner circumference set up, be provided with on the connecting portion with the spacing convex part that joint portion matches, the spinner rotates the back spacing convex part with joint portion joint, the buckle be used for with it rotationally installs to go up the spray arm on the spinner.

In one embodiment, the screw fastener comprises a first groove body, a second groove body and a third groove body; the first groove body, the second groove body and the third groove body are sequentially connected to form a groove; the connecting part extends into the groove;

the clamping part is positioned on the first groove body;

or the clamping part is positioned on the third groove body.

In one embodiment, a clamping groove is formed between the clamping portion and the second groove body, and the groove body where the clamping portion is located; the connecting part also comprises a guide convex part, and a guide chute matched with the guide convex part is formed on the clamping part; the rotary buckle drives the clamping portion to rotate, so that the guide convex portion is clamped into the guide chute, and the limiting convex portion is embedded into the clamping groove.

In one embodiment, the clamping portion comprises a guide sub-portion and a limiting sub-portion which are connected with each other, and one side of the guide sub-portion, which is close to the guide convex portion, forms the guide chute; the limiting sub-part is used for fixing the limiting convex part relative to the first groove body; or, the limiting sub-portion is used for fixing the limiting convex part relative to the third groove body.

In an embodiment, an inclined surface is disposed at an end of the limiting convex portion close to the limiting sub-portion, and the inclined surface is used for guiding the limiting convex portion into the slot.

In an embodiment, a sealing element is sleeved on the connecting part, and the sealing element is located between the third groove body and the water guide element.

In one embodiment, the sealing element is annularly arranged, and an annular convex rib is arranged on one surface of the sealing element, which is close to the turnbuckle.

In an embodiment, the buckle has a first protrusion and a second protrusion, the first protrusion and the second protrusion are respectively located at two opposite ends of the buckle, and the buckle is provided with a through groove from the first protrusion to the second protrusion; the first bulge is used for limiting the upper spray arm on the buckle; the second protrusion is used for limiting the buckle on the first groove body.

In one embodiment, the first projection is a barb.

The utility model also provides a dish washing machine, which comprises an inner container and the dish washing machine top spraying assembly, wherein the dish washing machine top spraying assembly comprises a water guide piece, an upper spraying arm and a clamping assembly, and the water guide piece is provided with a connecting part; the upper spray arm is communicated with the connecting part; the joint subassembly is including detaining soon and buckle, it has a plurality of edges to detain soon the joint portion that circumference set up soon, be provided with on the connecting portion with the spacing convex part that joint portion matches, detain soon the rotation back spacing convex part with joint portion joint, the buckle is used for with it rotationally installs to go up the spray arm on detaining soon.

The utility model discloses technical scheme rotationally installs the spray arm through adopting the joint subassembly on the water guide piece. The clamping assembly comprises a buckle and a rotary buckle, a plurality of clamping parts are arranged in the circumferential direction of the rotary buckle, and the upper spray arm is ensured to be communicated with the connecting part; be provided with on the connecting portion with the spacing convex part that joint portion matches, detain soon the rotation back spacing convex part with joint portion joint, the buckle be used for with it rotationally installs to go up the spray arm on detaining soon. Therefore, the technical scheme of the utility model will through with the buckle go up the spray arm and rotationally install on detaining soon, again will detain soon with water guide joint, thereby will go up the spray arm and rotationally install on the water guide. Compare with prior art adoption solid fixed ring's technique the utility model discloses among the technical scheme, the assembly of going up the spray arm only needs to rotate the spinner, and it is also simple to dismantle the maintenance, and the change of part is convenient, and the reliability is high.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the prior art descriptions will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic structural view of an embodiment of a top spray assembly of a dishwasher in accordance with the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is an enlarged view at C of FIG. 2;

FIG. 4 is an exploded view of FIG. 1;

FIG. 5 is a side view of the spray assembly;

FIG. 6 isbase:Sub>A cross-sectional view taken along line A-A of FIG. 5;

FIG. 7 is a cross-sectional view taken along line B-B of FIG. 5;

FIG. 8 is an enlarged view taken at A in FIG. 7;

FIG. 9 is a schematic structural view of the water guide of FIG. 1;

FIG. 10 is an enlarged view at B of FIG. 9;

FIG. 11 is a schematic view of the turn buckle of FIG. 3;

FIG. 12 is a side view of FIG. 11;

FIG. 13 is a cross-sectional view C-C of FIG. 12;

FIG. 14 is a schematic structural view of the buckle of FIG. 3;

FIG. 15 is a schematic view of the seal of FIG. 3;

FIG. 16 is a schematic structural view of an embodiment of the dishwasher of the present invention;

fig. 17 is a schematic structural diagram of another embodiment of the present invention.

The reference numbers illustrate:

reference numerals	Name(s)	Reference numerals	Name(s)
				10	Top spray assembly of dish washer	313	Third groove body
20	Inner container	350	Clamping groove
				100	Water guide member	340	Mounting through hole
110	Connecting part	320	Fastener
				120	Limit convex part	321	First bump
121	Inclined plane	322	Second bump
				130	Conductor convex part	323	Through groove
200	Upper spray arm	330	Clamping part
				210	Spray nozzle	331	Guide chute
220	Water inlet	332	Guide sub-part
				300	Clamping assembly	333	Limiting sub-part
310	Rotary button	400	Sealing element
				311	First tank body	410	Convex rib
312	Second tank body

The objects, features and advantages of the present invention will be further described with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

It should be noted that, if directional indications (such as up, down, left, right, front, back, 8230; \8230;) are provided in the embodiments of the present invention, the directional indications are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture (as shown in the attached drawings), and if the specific posture is changed, the directional indications are correspondingly changed.

In addition, if there is a description relating to "first", "second", etc. in the embodiments of the present invention, the description of "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, if appearing throughout the text, "and/or" is meant to include three juxtaposed aspects, taking "A and/or B" as an example, including either the A aspect, or the B aspect, or both A and B satisfied aspects. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory to each other or cannot be realized, such a combination should not be considered to exist, and is not within the protection scope of the present invention.

The utility model provides a dish washer top spray assembly.

In an embodiment of the present invention, as shown in fig. 1 to 17, the dishwasher top spray assembly 10 includes a water guide 100, an upper spray arm 200, and a snap assembly 300. The water guide 100 has a connection part 110; the upper spray arm 200 is communicated with the connecting part 110; joint subassembly 300 includes spinner 310 and buckle 320, spinner 310 has a plurality of edges the joint portion 330 that spinner 310 circumference set up, be provided with on connecting portion 110 with spacing convex part 120 that joint portion 330 matches, spinner 310 rotates the back spacing convex part 120 with joint portion 330 joint, buckle 320 be used for with it rotationally installs to go up spray arm 200 on spinner 310.

The water guiding member 100 has a connecting portion 110 and a water inlet end, the connecting portion 110 and the water inlet end are communicated with each other to form a water passage, the water inlet end is communicated with a water source, the water source may be tap water, or water in a water tank, etc., which are not limited to this example. The upper spray arm 200 has a water inlet 220 and a spray outlet 210, and the spray outlet 210 is communicated with the water inlet 220 to form a channel through which water can pass. The water inlet 220 is communicated with the connecting part 110, so that the upper spray arm 200 can be communicated with a water source to realize a spraying function. The upper spray arm 200 is mounted on the water guide 100 through the clamping assembly 300.

Further, joint subassembly 300 includes spinner 310 and buckle 320, buckle 320 stretches into in the water channel of going up spray arm 200, the spray arm with there is the clearance between the spinner 310, so that go up spray arm 200 can realize rotationally install in on the spinner 310, the spinner 310 has a plurality of edges the joint portion 330 that the spinner 310 circumference set up, the spinner 310 rotates the back spacing convex part 120 with the joint portion 330 joint. That is, the screw 310 is adapted to be engaged with the connection part 110, so that the upper spray arm 200 is mounted on the water guide 100.

Further, the turnbuckle 310 includes a first groove 311, a second groove 312, and a third groove 313; the first trough body 311, the second trough body 312 and the third trough body 313 are connected in sequence to form a groove; the connecting part 110 extends into the groove; the clamping part 330 is located on the first slot 311; alternatively, the locking portion 330 is located on the third groove 313. That is to say, two adjacent clamping portions 330 have an installation space between the first slot 311 or the third slot 313, so that the limiting convex portion 120 can extend into the groove from the installation space, and along with the rotation of the turnbuckle 310, the limiting convex portion 120 can be clamped with the clamping portions 330.

It can be understood that the connecting portion 110 is a connecting pipe, and when the clamping portion 330 is disposed on the first slot 311, the limiting protrusion 120 is located on the inner wall of the connecting pipe. When the clamping part 330 is disposed on the third groove 313, the limiting protrusion 120 is located on the outer peripheral wall of the connecting pipe.

For example, referring to fig. 3, 11 to 14, the turnbuckle 310 includes a first groove 311, a second groove 312 and a third groove 313; the first trough body 311, the second trough body 312 and the third trough body 313 are connected in sequence, and the first trough body 311 and the third trough body 313 are positioned on the same side of the second trough body 312 to form an annular groove; connecting portion 110 stretches into in the annular groove, joint portion 330 sets up on the first cell body 311, it is a plurality of joint portion 330 is followed the circumference interval of spinner 310 arranges, has the erection space between the adjacent leading individual joint portion 330, spacing convex part 120 with joint portion 330 joint and make spinner 310 can be fixed on connecting portion 110, joint portion 330 reach joint portion 330 place the cell body with be formed with draw-in groove 350 between the second cell body 312. The first slot body 311 is further provided with a mounting through hole 340, and the buckle 320 extends into the upper spray arm 200 after passing through the mounting through hole 340, so that the upper spray arm 200 is limited on the turnbuckle 310.

During assembly, the water guide 100 is first installed at a corresponding installation position of the inner container 20, and the water inlet end of the water guide 100 is connected to a water source. Next, the clip 320 is inserted through the mounting through hole 340, the end of the clip 320 far away from the groove is aligned with the water inlet 220 of the upper spray arm 200, and then the end of the clip 320 located in the groove is pressed, so that the end of the clip 320 extends into the water passage of the upper spray arm 200. Finally, the clamping assembly 300 and the upper spray arm 200 assembled in the previous step are mounted on the connecting portion 110, specifically, the mounting space is aligned with the limiting convex portion 120, then the clamping assembly 300 is moved upwards, and when the clamping assembly 300 is moved upwards to a position where the clamping assembly cannot move upwards, the rotating buckle 310 is rotated, so that the limiting convex portion 120 is clamped with the clamping portion 330. In the disassembling process, only the rotary buckle 310 needs to be rotated, and in the assembling and disassembling process, the upper spray arm 200 is convenient to assemble, simple to disassemble and maintain, convenient to replace parts and high in reliability.

The technical scheme of the utility model is through adopting joint subassembly 300 to rotationally install last spray arm 200 water guide 100 is last. The clamping assembly 300 comprises a buckle 320 and a rotating buckle 310, wherein a plurality of clamping parts 330 are arranged on the periphery of the rotating buckle 310, and the upper spray arm 200 is ensured to be communicated with the connecting part 110; connecting portion 110 is last be provided with spacing convex part 120 that joint portion 330 matches, after spinner 310 rotates spacing convex part 120 with joint portion 330 joint, buckle 320 be used for with it rotationally installs to go up spray arm 200 on spinner 310. Thus, the technical scheme of the present invention will through will buckle 320 go up spray arm 200 rotationally install on the spinner 310, again with the spinner 310 with water guide 100 joint, thereby will go up spray arm 200 rotationally install on water guide 100. Compare with the solid fixed ring's of prior art technique the utility model discloses among the technical scheme, the assembly of going up spray arm 200 only need rotate spinner 310, and it is also simple to dismantle the maintenance, and the change of part is convenient, and the reliability is high.

In one embodiment, in order to further improve the installation efficiency of the top spray device of the dishwasher, the clamping portion 330 and a clamping groove 350 are formed between the second groove 312 and the groove body in which the clamping portion 330 is located; the connecting portion 110 further includes a guiding protrusion, and a guiding inclined slot 331 matched with the guiding protrusion is formed on the clamping portion 330; the rotating buckle 310 drives the clamping portion 330 to rotate, so that the guiding convex portion is clamped into the guiding chute 331, and the limiting convex portion 120 is embedded into the clamping groove 350. Thus, by providing the guide protrusion and the guide chute 331, the alignment speed of the turnbuckle 310 and the connection part 110 is increased during installation, thereby increasing the installation efficiency of the top spray device of the dishwasher.

In an embodiment, referring to fig. 3, fig. 10 to fig. 13, in order to further improve the installation efficiency of the top spray device of the dishwasher, the locking portion 330 includes a guiding sub-portion 332 and a limiting sub-portion 333 connected to each other, and the guiding inclined slot 331 is formed at a side of the guiding sub-portion 332 close to the guiding convex portion; the limiting sub-part 333 is used for fixing the limiting convex part 120 relative to the first groove body 311; or, the limiting sub-portion 333 is used for fixing the limiting convex portion 120 relative to the third groove body 313. In this way, the limiting sub-portion 333 is provided to divide the relative movement path of each limiting protrusion 120, so that it is possible to clearly know when the dishwasher spray assembly 10 is assembled and when it is disassembled. Therefore, the arrangement of the limiting sub-part 333 can improve the installation efficiency of the top spray device of the dishwasher.

In an embodiment, please refer to fig. 3, 10 to 13, in order to prevent the connecting portion 110 from extending into the rotating buckle 310 to a depth insufficient, which may cause the limit protrusion 120 to be possibly clamped with the clamping portion 330, thereby causing the limit protrusion 120 to be unable to rotate relative to the rotating buckle 310, and further causing the problem that the rotating buckle 310 is unable to be clamped with the connecting portion 110. An inclined surface 121 is disposed at one end of the limiting convex part 120 close to the limiting sub-part 333, and the inclined surface 121 is used for guiding the limiting convex part 120 into the slot 350. Thus, even if the connecting portion 110 does not extend into the turnbuckle 310 to a sufficient depth, the top surface of the limiting protrusion 120 is located below the top surface of the engaging portion 330. By providing the inclined surface 121 on the limiting sub-portion 333, the engaging portion 330 can be engaged with the engaging groove 350 along the inclined surface 121 even when the rotating buckle 310 is rotated.

In an embodiment, in order to increase the spraying pressure of the upper spraying arm 200 and thus increase the spraying effect of the upper spraying arm 200, the connecting part 110 is sleeved with a sealing element 400, the sealing element 400 is located between the third groove 313 and the water guide 100, so that the pressure relief at the joint between the upper spraying arm 200 and the water guide 100 is prevented by enhancing the sealing effect between the upper spraying arm 200 and the water guide 100, and thus the spraying pressure of the upper spraying arm 200 is increased and the spraying effect of the spraying assembly 10 at the top of the dishwasher is further increased.

On the basis of the above embodiment, in order to further enhance the sealing effect between the upper spray arm 200 and the water guide 100, the sealing element 400 is annularly disposed, and an annular protruding rib 410 is disposed on one surface of the sealing element 400 close to the turn buckle 310.

In an embodiment, the clip 320 has a first protrusion 321 and a second protrusion 322, the first protrusion 321 and the second protrusion 322 are respectively located at two opposite ends of the clip 320, and the clip 320 is provided with a through groove 323 from the first protrusion 321 to the second protrusion 322; the first protrusion 321 is used for limiting the upper spray arm 200 on the buckle 320; the second protrusion 322 is used for limiting the buckle 320 on the first slot 311.

For example, referring to fig. 3, 11 to 14, a mounting through hole 340 is disposed in the first slot 311, the end of the first protrusion 321 passes through the mounting through hole 340 and extends into the water passage of the upper spray arm 200 through the water inlet 220 of the upper spray arm 200, and generally, the latch 320 is made of a material with certain elasticity, such as: plastic and the like, and in addition, a through groove 323 is formed in the direction from the first protrusion 321 to the second protrusion 322 of the fastener 320, and the size of the first protrusion 321 is only slightly larger than the longest diagonal line of the water inlet 220, so that the first protrusion 321 can be used for limiting the upper spray arm 200 on the fastener 320. In addition, the length of the second protrusion 322 is greater than the diameter of the mounting through hole 340, so that the latch 320 can be retained on the knob 310. Preferably, in order to prevent the first projection 321 from scratching the inner wall of the water passage of the upper spray arm 200, the first projection 321 is a barb.

It will be appreciated that, in order to allow the rotation of the catch 320 relative to the water guide 100, when the entire dishwasher spray assembly 10 is mounted to a dishwasher, i.e., when it is operable, there is a gap between the side of the upper spray arm 200 adjacent to the water guide 100 and the catch 310 in the longitudinal direction thereof, so as to ensure that the upper spray arm can rotate relative to the water guide.

The utility model discloses still provide a dish washer, this dish washer includes inner bag 20 and dish washer top spray set 10, and this dish washer top spray set 10's concrete structure refers to above-mentioned embodiment, because this dish washer has adopted all technical scheme of above-mentioned all embodiments, consequently has all beneficial effects that the technical scheme of above-mentioned embodiment brought at least, and the repeated description is no longer given here. Referring to fig. 16 and 17, the dishwasher top spray assembly 10 is mounted on the inner container 20, the inner container 20 forms a washing chamber, wherein the upper spray arm 200 should be mounted in the washing chamber, and the mounting position of the water guide 100 is not particularly limited herein.

In a preferred embodiment, please refer to fig. 3, 10 to 17, the inner container 20 forms a washing chamber, an opening communicating with the washing chamber is formed on the inner container 20, the water guiding member 100 is located at an outer side of the inner container 20, and the connecting portion 110 extends into the washing chamber from the opening. The upper spray arm 200 is located in the washing chamber and rotatably mounted on the water guide 100 through the clamping assembly 300, so that the whole dishwasher spray group 10 is mounted on the inner container.

In the assembly process, the water guide 100 is first connected to the water pipe to communicate with the water source, and the connection part is passed through the opening. Secondly, the clip 320 is inserted through the mounting through hole 340, the end of the clip 320 far away from the groove is aligned with the water inlet 220 of the upper spray arm 200, and then the end of the clip 320 in the groove is pressed, so that the end of the clip 320 extends into the water passage of the upper spray arm 200. Finally, the clamping assembly 300 and the upper spray arm 200 assembled in the previous step are mounted on the connecting portion 110, specifically, the mounting space is aligned with the limiting convex portion 120, then the clamping assembly 300 is moved upwards, and when the clamping assembly 300 is moved upwards to a position where the clamping assembly cannot move upwards, the rotating buckle 310 is rotated, so that the limiting convex portion 120 is clamped with the clamping portion 330. In the disassembling process, only the rotary buckle 310 needs to be rotated, and in the assembling and disassembling process, the upper spray arm 200 is convenient to assemble, simple to disassemble and maintain, convenient to replace parts and high in reliability.

The above is only the optional embodiment of the present invention, and not limiting the patent scope of the present invention, all under the inventive concept of the present invention, the equivalent structure transformation made by the contents of the specification and the attached drawings is utilized, or the direct/indirect application is included in other related technical fields in the patent protection scope of the present invention.

Claims (10)

1. A dishwasher top spray assembly, comprising:

a water guide having a connection part;

the upper spray arm is communicated with the connecting part;

the joint subassembly, the joint subassembly is including spinner and buckle, the spinner has a plurality of edges the joint portion that spinner circumference set up, be provided with on the connecting portion with the spacing convex part that joint portion matches, the spinner rotates the back spacing convex part with joint portion joint, the buckle be used for with it rotationally installs to go up the spray arm on the spinner.

2. The dishwasher top spray assembly of claim 1 wherein the spinner comprises a first trough, a second trough, and a third trough; the first tank body, the second tank body and the third tank body are sequentially connected to form a groove; the connecting part extends into the groove;

the clamping part is positioned on the first groove body;

or the clamping part is positioned on the third groove body.

3. The dishwasher top spray assembly of claim 2 wherein a slot is formed between the catch and the second channel and the channel in which the catch is located; the connecting part also comprises a guide convex part, and a guide chute matched with the guide convex part is formed on the clamping part; the rotary buckle drives the clamping portion to rotate, so that the guide convex portion is clamped into the guide chute, and the limiting convex portion is embedded into the clamping groove.

4. The dishwasher top spray assembly of claim 3 wherein said snap-in portion comprises a guide sub-portion and a stop sub-portion connected to each other, a side of said guide sub-portion adjacent to said guide projection forming said guide chute;

the limiting sub-part is used for fixing the limiting convex part relative to the first groove body;

or, the limiting sub-part is used for fixing the limiting convex part relative to the third groove body.

5. The top spray assembly of a dishwasher of claim 4 wherein an end of said limit protrusion adjacent said limit sub-portion is provided with an inclined surface for guiding said limit protrusion into said slot.

6. The dishwasher top spray assembly of claim 2 wherein said attachment portion is sleeved with a seal, said seal being positioned between said third tank and said water guide.

7. The dishwasher top spray assembly of claim 6 wherein said seal is annular and an annular rib is provided on a side of said seal adjacent said spin button.

8. The dishwasher top spray assembly of claim 2 wherein said catch has a first protrusion and a second protrusion, said first protrusion and said second protrusion being located at opposite ends of said catch, respectively, said catch having a channel extending from said first protrusion in a direction toward said second protrusion; the first bulge is used for limiting the upper spray arm on the buckle; the second protrusion is used for limiting the buckle on the first groove body.

9. The dishwasher top spray assembly of claim 8 wherein said first projection is a barb.

10. A dishwasher, comprising:

an inner container;

the dishwasher top spray assembly of any one of claims 1 to 9 mounted on the inner tub.

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