CN220695213U - Reinforced spray mechanism of dish washer, dish washer spray arm assembly and dish washer - Google Patents

Abstract

The utility model discloses a dish washer reinforcing spray mechanism, a dish washer spray arm assembly and a dish washer. The dishwasher reinforcing spray washing mechanism comprises a spray arm, a spray nozzle body and a connecting part arranged on one side of the spray arm body, wherein a first water channel and a second water channel are arranged in the spray arm body, a first spray hole communicated with the first water channel and a second spray hole communicated with the second water channel are also formed in the spray arm, and a first water hole connected with the first water channel and a second water hole communicated with the second water channel are formed in the connecting part; the first end of the connecting pipeline is connected with the connecting part, the second end of the connecting pipeline is connected with the water supply structure of the dish washer, a third water hole and a fourth water hole are formed in the connecting pipeline, the third water hole corresponds to the first water hole to form a first water passing channel, and the fourth water hole corresponds to the second water hole to form a second water passing channel; the water diversion structure is arranged between the connecting part and the connecting pipeline and can rotate between three states of plugging one or both of the first water passing channel and the second water passing channel.

Description

Reinforced spray mechanism of dish washer, dish washer spray arm assembly and dish washer

Technical Field

The utility model relates to the technical field of kitchen electricity, in particular to a dish washer reinforcing spray washing mechanism, a dish washer spray arm assembly and a dish washer.

Background

With the continuous improvement of the living standard of people, the household dish washing machine gradually enters a plurality of families to replace the tedious labor of manually washing the tableware. In the market, there are various dish washing machine products with front door, water tank, drawer, small desk, etc. and their water flow systems are the same, mainly by spraying high temperature and high pressure water flow through the inner rotary spray arm to directly or indirectly spray the dishes in the dish basket, and combining with the mechanical flushing of water flow dispersion, reflection, sputtering, etc. and assisted with chemical actions of wetting, decomposition, soaking puffing, etc. of the detergent and the dissolution of hot water and thermal shock action, the dishes are fully washed and cleaned.

The spray arm structure of the existing dish washer basically comprises a top spray arm, a middle spray arm and a lower spray arm, the top spray arm, the middle spray arm and the lower spray arm are mainly circular spray tracks, when the spray arm sprays and washes tableware, the whole loading area is uniformly sprayed and washed, and the uniform spray washing mode has a good cleaning effect on most of medium and slight pollution tableware, but when few serious pollution tableware or deep-mouth stubborn stains are encountered, the condition of unclean washing is easy to occur, so that the overall washing effect is reduced, and bad use experience is brought to users.

Disclosure of Invention

The utility model aims to solve one of the problems in the prior art to at least a certain extent, and therefore, the utility model provides a reinforced spray washing mechanism of a dish washer, which can carry out reinforced washing on heavy-stain tableware placed in a preset area according to the needs and has better user experience.

The above object is achieved by the following technical scheme:

a dishwasher enhancing spray mechanism comprising:

the spray arm comprises a spray arm body and a connecting part arranged at one side of the spray arm body, a first water channel and a second water channel are arranged in the spray arm body, a first spray hole communicated with the first water channel and a second spray hole communicated with the second water channel are also formed in the spray arm, and a first water hole connected with the first water channel and a second water hole communicated with the second water channel are formed in the connecting part;

the first end of the connecting pipeline is connected with the connecting part, the second end of the connecting pipeline is connected with a water supply structure of the dish washer, a third water hole and a fourth water hole are formed in the connecting pipeline, the third water hole corresponds to the first water hole to form a first water passage, and the fourth water hole corresponds to the second water hole to form a second water passage;

the water diversion structure is arranged between the connecting part and the connection pipeline and can rotate between three states of plugging one or both of the first water passing channel and the second water passing channel.

Optionally, the water dividing structure includes:

the lantern ring is sleeved at the joint of the first end of the connection pipeline and the connecting part and can rotate relative to the connection pipeline;

the baffle is arranged on the inner side of the lantern ring and is positioned between the first water hole and the third water hole and between the second water hole and the fourth water hole, a through hole is formed in the baffle, and when the lantern ring rotates to a first position relative to the connection pipeline, the baffle is simultaneously blocked between the first water hole and the third water hole and between the second water hole and the fourth water hole so as to block the first water passage and the second water passage; when the lantern ring rotates to a second position relative to the connection pipeline, the through hole is aligned with the first water hole and the third water hole, and the first water channel is communicated; when the lantern ring rotates to a third position relative to the connection pipeline, the through hole is aligned with the second water hole and the fourth water hole, and the second water channel is communicated.

Optionally, the center of the partition plate is further provided with a shaft hole, the center of the first end of the connection pipeline is further provided with a rotating shaft, and the rotating shaft is inserted into the shaft hole.

Optionally, a first guiding protrusion is further provided on the inner side of the collar, a first guiding slot hole is further provided on the outer side of the connection pipe, the first guiding protrusion extends into the first guiding slot hole, and when the collar rotates relative to the connection pipe, the first guiding protrusion slides along the first guiding slot hole.

Optionally, an avoidance hole is further formed between the partition plate and the collar, a first installation part is further arranged at the first end of the connection pipeline, a second installation part is arranged on the connection part, and the first installation part penetrates through the avoidance hole and is connected with the second installation part.

Optionally, a first mounting hole is formed in the first mounting portion, the second mounting portion includes a first buckle and second guiding protrusions disposed on two sides of the first buckle, and the first mounting portion slides along a first sliding groove formed between the two second guiding protrusions and is in fastening connection with the first buckle.

Optionally, a third guiding protrusion is further provided on the first mounting portion, two sides of the first mounting hole are provided with one third guiding protrusion, and the first guiding protrusion can slide into the first guiding slot along a second sliding groove formed between the two third guiding protrusions.

Optionally, a positioning slot hole is further formed in the outer side of the connection pipeline, an elastic structure is arranged in the positioning slot hole, a first positioning slot hole, a second positioning slot hole and a third positioning slot hole which are adjacent and are arranged at intervals are further formed in the inner side of the lantern ring, and when the lantern ring rotates to a first position relative to the connection pipeline, the elastic structure falls into the first positioning slot hole; when the lantern ring rotates to a second position relative to the connection pipeline, the elastic structure falls into the third positioning slotted hole; when the lantern ring rotates to a third position relative to the connection pipeline, the elastic structure falls into the second positioning slotted hole.

Optionally, the water pump further comprises a first sealing piece and a second sealing piece, wherein the first sealing piece comprises a first sealing ring and a second sealing ring, the first sealing ring is arranged in the third water hole and is in interference fit with the inner wall of the third water hole, and the second sealing ring is arranged in the fourth water hole and is in interference fit with the fourth water hole; the second sealing piece comprises a third sealing ring and a fourth sealing ring, the third sealing ring is arranged in the first water hole and is in interference fit with the inner wall of the first water hole, the fourth sealing ring is arranged in the second water hole and is in interference fit with the inner wall of the second water hole, the partition plate is located between the first sealing piece and the second sealing piece, and the partition plate is in interference fit with the first sealing piece and the second sealing piece.

The utility model further provides a spray arm assembly of a dish washer, which comprises an upper spray arm structure, a middle spray arm structure, a lower spray arm structure, a water pipeline structure communicated with the upper spray arm structure, the middle spray arm structure and the lower spray arm structure, and the dish washer reinforcing spray mechanism, wherein the second end of the connection pipeline is connected with a water outlet part of a water supply pipeline of the middle spray arm structure.

In yet another aspect, the present utility model provides a dishwasher, comprising a dishwasher spray arm assembly as described above.

Compared with the prior art, the utility model at least comprises the following beneficial effects:

the utility model provides a reinforced spray-washing mechanism of a dish washer, which comprises a spray arm, a connection pipeline and a water diversion structure. The spray arm comprises a spray arm body and a connecting part arranged on one side of the spray arm body, a first water channel and a second water channel are arranged in the spray arm body, a first spray hole communicated with the first water channel and a second spray hole communicated with the second water channel are further formed in the spray arm, and a first water hole connected with the first water channel and a second water hole communicated with the second water channel are formed in the connecting part. The first end and the connecting portion of pipeline are connected, and the second end is connected with the water supply structure of dish washer, has seted up third water hole and fourth water hole in the pipeline of plugging into, and the third water hole corresponds with first water hole and forms first water course, and the fourth water hole corresponds with the second water hole and forms the second water course. The water diversion structure is arranged between the connecting part and the connecting pipeline and can rotate between three states of plugging one or both of the first water passing channel and the second water passing channel, when only the first water passing channel is plugged, water is sprayed out from the second spray hole, when only the second water passing channel is plugged, water is sprayed out from the first spray hole, when both the first water passing channel and the second water passing channel are plugged, the reinforced spray mechanism is in a closed state, and the first spray hole and the second spray hole cannot spray water, so that a user can conveniently control the spray mode, and the water diversion structure is further suitable for different washing requirements to control the dish washer to strengthen the washing effect of the spray mechanism on tableware placed in a specific area.

Drawings

FIG. 1 is a schematic view of a spray arm assembly of a dishwasher in accordance with an embodiment of the present utility model;

FIG. 2 is a schematic perspective view of a strengthening spray mechanism of a dishwasher according to an embodiment of the present utility model mounted on a middle spray arm structure;

fig. 3 is a schematic perspective view of a water supply pipe of a middle spray arm structure of a dishwasher according to an embodiment of the present utility model;

FIG. 4 is a schematic perspective view of a reinforced spray mechanism of a dishwasher according to an embodiment of the present utility model;

FIG. 5 is an exploded view of a reinforced spray mechanism of a dishwasher in accordance with an embodiment of the present utility model;

FIG. 6 is a schematic perspective view of a reinforced spray mechanism of a dishwasher according to an embodiment of the present utility model with a lower cover removed;

FIG. 7 is a right side view of a reinforced spray mechanism of a dishwasher, according to an embodiment of the present utility model, with a docking conduit removed;

FIG. 8 is a cross-sectional view taken at A-A of FIG. 7;

FIG. 9 is a bottom view of a reinforced spray mechanism of a dishwasher in accordance with an embodiment of the present utility model;

FIG. 10 is a cross-sectional view taken at B-B of FIG. 9;

FIG. 11 is a schematic view of a water distribution structure of a reinforced spray mechanism of a dishwasher according to an embodiment of the present utility model;

FIG. 12 is a schematic view of a water distribution structure of a reinforced spray mechanism of a dishwasher according to another embodiment of the present utility model;

FIG. 13 is a schematic perspective view of a connection pipe of a reinforced spray mechanism of a dishwasher according to an embodiment of the present utility model;

FIG. 14 is a right side view of a dishwasher reinforcement spray mechanism provided by an embodiment of the present utility model with the connection pipe and first seal removed (both first and second waterways plugged);

FIG. 15 is a right side view of a dishwasher reinforcement spray mechanism provided by an embodiment of the present utility model with the connection pipe and first seal removed (second waterway blocked);

fig. 16 is a right side view of a reinforced spray mechanism of a dishwasher (first waterway blocked) with the connecting tube and first seal removed, in accordance with an embodiment of the present utility model.

In the figure:

1. connecting the pipelines; 11. a second mounting hole; 111. a guide chute; 12. a slotted hole is arranged; 13. a first mounting portion; 131. a first mounting hole; 132. a third guide projection; 14. a rotating shaft; 15. a first guide slot; 17. a third water hole; 18. a fourth water hole;

2. a water dividing structure; 21. a collar; 2111. a first positioning slot; 2112. a second positioning slot; 2113. a third positioning slot; 212. a first guide projection; 213. a handle; 22. a partition plate; 221. a shaft hole; 222. a via hole; 223. avoidance holes;

3. a spray arm; 31. a connection part; 311. a first buckle; 312. a second guide projection; 313. a first water hole; 314. a second water hole; 32. a water spraying arm body; 3210. an upper cover; 3220. a lower cover; 321. a first waterway; 322. a second waterway; 323. a first nozzle hole; 324. a second nozzle hole;

4. a first seal; 41. a first seal ring; 42. a second seal ring;

5. a second seal; 51. a third seal ring; 52. a fourth seal ring;

100. a lower spray arm structure; 200. a middle spray arm structure; 201. a water supply pipe; 202. a second buckle; 203. a fourth guide projection; 204. a second water outlet; 205. a first water outlet; 206. a water inlet part; 207. a middle spray arm; 300. strengthening a spray washing mechanism; 400. an upper spray arm structure; 500. a water pipe structure.

Detailed Description

The following examples illustrate the utility model, but the utility model is not limited to these examples. Modifications and equivalents of some of the technical features of the specific embodiments of the present utility model may be made without departing from the spirit of the present utility model, and they are all included in the scope of the claimed utility model.

Referring to fig. 1-13, the present utility model provides a reinforced spray mechanism 300 of a dishwasher, comprising a spray arm 3, a docking conduit 1 and a water dividing structure 2. The spray arm 3 includes a spray arm body 32 and a connection portion 31 disposed at one side of the spray arm body 32, a first water channel 321 and a second water channel 322 are disposed in the spray arm body 32, and a first spray hole 323 communicated with the first water channel 321 and a second spray hole 324 communicated with the second water channel 322 are further disposed on the spray arm, and a first water hole 313 connected with the first water channel 321 and a second water hole 314 communicated with the second water channel 322 are disposed on the connection portion 31. The first end of the connection pipeline 1 is connected with the connecting part 31, the second end is connected with the water supply structure of the dish washer, a third water hole 17 and a fourth water hole 18 are formed in the connection pipeline 1, the third water hole 17 corresponds to the first water hole 313 to form a first water passing channel, and the fourth water hole 18 corresponds to the second water hole 314 to form a second water passing channel. The water diversion structure 2 is arranged between the connecting part 31 and the connecting pipeline 1 and can rotate between three states of plugging one or both of the first water passing channel and the second water passing channel, when only the first water passing channel is plugged, water is sprayed out of the second spray hole 324, when only the second water passing channel is plugged, water is sprayed out of the first spray hole 323, when both the first water passing channel and the second water passing channel are plugged, the reinforced spray mechanism 300 is in a closed state, and neither the first spray hole 323 nor the second spray hole 324 can spray water, so that a user can conveniently control the spray mode, and the water diversion structure is suitable for different washing requirements, and can control the dish washing effect of the dish washer reinforced spray mechanism 300 on tableware placed in a specific area.

Optionally, the water dividing structure 2 comprises a collar 21 and a partition 22. The collar 21 is sleeved at the connection between the first end of the connection pipe 1 and the connection part 31 and can rotate relative to the connection pipe 1. The baffle plate 22 is arranged on the inner side of the lantern ring 21, the baffle plate 22 is positioned between the first water hole 313 and the third water hole 17 and between the second water hole 314 and the fourth water hole 18, the baffle plate 22 is provided with a through hole 222, as shown in fig. 14, when the lantern ring 21 rotates to a first position relative to the connection pipeline 1, the baffle plate 22 simultaneously blocks between the first water hole 313 and the third water hole 17 and between the second water hole 314 and the fourth water hole 18 so as to block the first water passage and the second water passage; as shown in fig. 15, when the collar 21 rotates to the second position relative to the connection pipe 1, the through holes 222 are aligned with the first water holes 313 and the third water holes 17, and the first water passage is connected; as shown in fig. 16, when collar 21 is rotated to the third position relative to connection pipe 1, through-holes 222 are aligned with second water holes 314, 18, and the second water passage is in communication.

Alternatively, the spray arm 3 includes an upper cover 3210 and a lower cover 3220, and the upper cover 3210 and the lower cover 3220 are thermally fused to ensure a sealing effect, preventing water from flowing out from a gap between the upper cover 3210 and the lower cover 3220.

Optionally, the center of the partition 22 is further provided with a shaft hole 221, the center of the first end of the connection pipeline 1 is further provided with a rotating shaft 14, and the rotating shaft 14 is inserted into the shaft hole 221, so that the water diversion structure 2 rotates relative to the connection pipeline 1.

Optionally, the outside of collar 21 is also provided with a handle 213, so that the user can turn the water dividing structure 2 by means of handle 213.

Optionally, the inner side of the collar 21 is further provided with a first guiding protrusion 212, the outer side of the connection pipe 1 is further provided with a first guiding slot hole 15, the first guiding protrusion 212 extends into the first guiding slot hole 15, and when the collar 21 rotates relative to the connection pipe 1, the first guiding protrusion 212 slides along the first guiding slot hole 15, so that stability of the collar 21 in the rotation process is ensured.

Optionally, an avoidance hole 223 is further formed between the baffle 22 and the collar 21, the first end of the connection pipeline 1 is further provided with a first installation part 13, the connection part 31 is provided with a second installation part, and the first installation part 13 passes through the avoidance hole 223 and is connected with the second installation part. The avoiding holes 223 are formed so that the first mounting holes 131 can pass through and then are connected with the second mounting portions, and the first mounting portions 13 can be avoided when the water distribution structure 2 rotates.

Optionally, the first mounting portion 13 is provided with a first mounting hole 131, the second mounting portion includes a first buckle and second guide protrusions 312 disposed on two sides of the first buckle, and the first mounting portion 13 slides along a first chute formed between the two second guide protrusions 312 and is fastened with the first buckle.

Optionally, the first mounting portion 13 is further provided with a third guiding protrusion 132, two sides of the first mounting hole 131 are respectively provided with a third guiding protrusion 132, and the first guiding protrusion 212 can slide into the first guiding slot hole 15 along a second sliding groove formed between the two third guiding protrusions 132, so as to facilitate quick mounting.

Optionally, the outer side of the connection pipe 1 is further provided with a placement slot 12, an elastic structure is arranged in the placement slot 12, the inner side of the sleeve 21 is further provided with a first positioning slot 2111, a second positioning slot 2112 and a third positioning slot 2113 which are adjacent and arranged at intervals, and when the sleeve 21 rotates to a first position relative to the connection pipe 1, the elastic structure falls into the first positioning slot 2111; when the sleeve 21 rotates to the second position relative to the connection pipeline 1, the elastic structure falls into the third positioning slot 2113; when the collar 21 is rotated to the third position relative to the docking pipeline 1, the resilient structure falls into the second positioning slots 2112. By providing the elastic structure and the first, second and third positioning slots 2111, 2112, 2113, the user is informed of whether the collar 21 is rotated into place.

Alternatively, the elastic structure includes a spring located in the placement slot 12 and a positioning portion provided at an end of the spring facing the outside of the placement slot 12, at least a portion of the positioning portion being capable of extending out of the placement slot 12 and falling into one of the first, second and third positioning slots 2111, 2112 and 2113 under the elastic force of the spring, and the positioning portion being capable of being pressed down by the collar 21 to overcome the elastic force of the spring when the collar 21 is rotated, whereby the collar 21 is rotatable between the first, second and third positions.

Optionally, the water pump further comprises a first sealing element 4 and a second sealing element 5, wherein the first sealing element 4 comprises a first sealing ring 41 and a second sealing ring 42, the first sealing ring 41 is arranged in the third water hole 17 and is in interference fit with the inner wall of the third water hole 17, and the second sealing ring 42 is arranged in the fourth water hole 18 and is in interference fit with the fourth water hole 18; the second sealing member 5 comprises a third sealing ring 51 and a fourth sealing ring 52, the third sealing ring 51 is arranged in the first water hole 313 and is in interference fit with the inner wall of the first water hole 313, the fourth sealing ring 52 is arranged in the second water hole 314 and is in interference fit with the inner wall of the second water hole 314, the partition plate 22 is positioned between the first sealing member 4 and the second sealing member 5, and the partition plate 22 is in interference fit with the first sealing member 4 and the second sealing member 5. By providing the first sealing member 4 and the second sealing member 5, water in the first water passing channel and the second water passing channel cannot overflow.

Another aspect of the present utility model provides a spray arm assembly of a dishwasher, comprising an upper spray arm structure 400, a middle spray arm structure 200, a lower spray arm structure 100, a water pipe structure 500 communicating with the upper spray arm structure 400, the middle spray arm structure 200 and the lower spray arm structure 100, and the dishwasher reinforcing spray mechanism 300, wherein a second end of the connection pipe 1 is connected with a water outlet part of a water supply pipe 201 of the middle spray arm structure 200.

Optionally, the water inlet 206 of the water supply pipe 201 is connected to the water pipe structure 500, the water outlet of the water supply pipe 201 includes a first water outlet 205 and a second water outlet 204, the second end of the connection pipe 1 is connected to the second water outlet 204, the middle spray arm structure 200 further includes a middle spray arm 207, and the middle spray arm 207 is connected to the first water outlet 205.

Optionally, the water supply pipeline 201 is further provided with a third installation part located at the peripheral side of the second water outlet 204, the second end of the connection pipeline 1 is further provided with a fourth installation part, and the third installation part is connected with the fourth installation part.

Optionally, the third mounting portion includes a second buckle 202 and fourth guide protrusions 203 disposed on two sides of the second buckle 202, the fourth mounting portion is provided with a second mounting hole 11, and two sides of the fourth mounting portion are provided with guide sliding grooves 111 corresponding to the fourth guide protrusions 203. When the third mounting portion is connected with the fourth mounting portion, the fourth guide protrusion 203 slides along the guide chute 111 until the second buckle 202 is snapped into the second mounting hole 11, and the mounting is completed.

In yet another aspect, the present utility model provides a dishwasher, comprising a dishwasher spray arm assembly as described above.

What has been described above is merely some embodiments of the present utility model. It will be apparent to those skilled in the art that various modifications and improvements can be made without departing from the spirit of the utility model.

Claims (11)

1. A dishwasher enhancing spray mechanism comprising:

the spray arm (3) comprises a spray arm body (32) and a connecting part (31) arranged on one side of the spray arm body (32), a first water channel (321) and a second water channel (322) are arranged in the spray arm body (32), a first spray hole (323) communicated with the first water channel (321) and a second spray hole (324) communicated with the second water channel (322) are further formed in the spray arm (3), and a first water hole (313) connected with the first water channel (321) and a second water hole (314) communicated with the second water channel (322) are formed in the connecting part (31);

the connection pipeline (1) is connected with the connecting part (31) at the first end and the water supply structure of the dish washer at the second end, a third water hole (17) and a fourth water hole (18) are formed in the connection pipeline (1), the third water hole (17) corresponds to the first water hole (313) to form a first water passing channel, and the fourth water hole (18) corresponds to the second water hole (314) to form a second water passing channel;

the water diversion structure (2) is arranged between the connecting part (31) and the connecting pipeline (1) and can rotate between three states of plugging one or both of the first water passing channel and the second water passing channel.

2. The dishwasher-strengthening spray mechanism according to claim 1, characterized in that the water dividing structure (2) comprises:

the lantern ring (21) is sleeved at the joint of the first end of the connection pipeline (1) and the connecting part (31) and can rotate relative to the connection pipeline (1);

the baffle plate (22) is arranged on the inner side of the sleeve ring (21), the baffle plate (22) is positioned between the first water hole (313) and the third water hole (17) and between the second water hole (314) and the fourth water hole (18), the baffle plate (22) is provided with a through hole (222), and when the sleeve ring (21) rotates to a first position relative to the connecting pipeline (1), the baffle plate (22) is simultaneously blocked between the first water hole (313) and the third water hole (17) and between the second water hole (314) and the fourth water hole (18) so as to block the first water passing channel and the second water passing channel; when the lantern ring (21) rotates to a second position relative to the connection pipeline (1), the through hole (222) is aligned with the first water hole (313) and the third water hole (17), and the first water channel is communicated; when the lantern ring (21) rotates to a third position relative to the connection pipeline (1), the through hole (222) is aligned with the second water hole (314) and the fourth water hole (18), and the second water channel is communicated.

3. The strengthening spray mechanism of a dishwasher according to claim 2, wherein the center of the partition plate (22) is further provided with a shaft hole (221), the center of the first end of the connection pipe (1) is further provided with a rotating shaft (14), and the rotating shaft (14) is inserted into the shaft hole (221).

4. The reinforced spray mechanism of a dishwasher according to claim 2, wherein a first guiding protrusion (212) is further provided on the inner side of the collar (21), a first guiding slot hole (15) is further provided on the outer side of the connection pipe (1), the first guiding protrusion (212) extends into the first guiding slot hole (15), and when the collar (21) rotates relative to the connection pipe (1), the first guiding protrusion (212) slides along the first guiding slot hole (15).

5. The reinforced spray mechanism of a dishwasher according to claim 4, wherein an avoidance hole (223) is further formed between the partition plate (22) and the collar (21), a first mounting portion (13) is further arranged at the first end of the connection pipeline (1), a second mounting portion is arranged on the connecting portion (31), and the first mounting portion (13) passes through the avoidance hole (223) and is connected with the second mounting portion.

6. The reinforced spray mechanism of a dishwasher according to claim 5, wherein the first mounting portion (13) is provided with a first mounting hole (131), the second mounting portion comprises a first buckle (311) and second guide protrusions (312) arranged at two sides of the first buckle (311), and the first mounting portion (13) slides along a first sliding groove formed between the two second guide protrusions (312) and is buckled with the first buckle (311).

7. The reinforced spraying mechanism of a dishwasher according to claim 6, wherein a third guiding protrusion (132) is further provided on the first mounting portion (13), one third guiding protrusion (132) is provided on each of both sides of the first mounting hole (131), and the first guiding protrusion (212) is capable of sliding into the first guiding slot (15) along a second sliding groove formed between the two third guiding protrusions (132).

8. The strengthening spray washing mechanism of a dish washer according to any one of claims 2-7, wherein a placement slot (12) is further provided on the outer side of the connection pipe (1), an elastic structure is provided in the placement slot (12), a first positioning slot (2111), a second positioning slot (2112) and a third positioning slot (2113) are further provided on the inner side of the collar (21) which are adjacent and are arranged at intervals, and when the collar (21) rotates to a first position relative to the connection pipe (1), the elastic structure falls into the first positioning slot (2111); when the lantern ring (21) rotates to a second position relative to the connection pipeline (1), the elastic structure falls into the third positioning slotted hole (2113); when the lantern ring (21) rotates to a third position relative to the connection pipeline (1), the elastic structure falls into the second positioning slotted hole (2112).

9. The dishwasher strengthening spray mechanism of any one of claims 2 to 7, further comprising a first seal (4) and a second seal (5), the first seal (4) comprising a first seal ring (41) and a second seal ring (42), the first seal ring (41) being disposed within the third water hole (17) and disposed in interference fit with an inner wall of the third water hole (17), the second seal ring (42) being disposed within the fourth water hole (18) and disposed in interference fit with the fourth water hole (18); the second sealing element (5) comprises a third sealing ring (51) and a fourth sealing ring (52), the third sealing ring (51) is arranged in the first water hole (313) and is in interference fit with the inner wall of the first water hole (313), the fourth sealing ring (52) is arranged in the second water hole (314) and is in interference fit with the inner wall of the second water hole (314), the partition plate (22) is arranged between the first sealing element (4) and the second sealing element (5), and the partition plate (22) is in interference fit with the first sealing element (4) and the second sealing element (5).

10. A spray arm assembly of a dishwasher, characterized by comprising an upper spray arm structure (400), a middle spray arm structure (200), a lower spray arm structure (100) and a water pipe structure (500) communicated with the upper spray arm structure (400), the middle spray arm structure (200) and the lower spray arm structure (100), and further comprising a dishwasher reinforcing spray mechanism as claimed in any one of claims 1-9, wherein the second end of the connection pipe (1) is connected with a water outlet part of a water supply pipe (201) of the middle spray arm structure (200).

11. A dishwasher comprising the dishwasher spray arm assembly of claim 9.