CN113040681B

CN113040681B - Dish washing machine

Info

Publication number: CN113040681B
Application number: CN202110293183.0A
Authority: CN
Inventors: 丘啸雄; 朱剑锋; 刘瑶
Original assignee: Gree Electric Appliances Inc of Zhuhai
Current assignee: Gree Electric Appliances Inc of Zhuhai
Priority date: 2021-03-18
Filing date: 2021-03-18
Publication date: 2022-03-15
Anticipated expiration: 2041-03-18
Also published as: CN113040681A

Abstract

The present invention provides a dishwasher, comprising: a body provided with an inner container; the bowl basket is arranged in the inner container and comprises a frame body and at least two separating ribs arranged on the frame body; the frame body is provided with at least two cleaning areas, an active area is formed between two adjacent separating ribs, and one active area corresponds to at least one cleaning area; the stopper is arranged on the bowl basket and comprises a main body and a blocking rib connected to the main body, and the blocking rib is arranged in the active area and is suitable for reciprocating rotation between the two blocking ribs forming the active area; the spraying structure is rotatably arranged on the inner container and is provided with a cleaning spray hole facing the bowl basket; the spraying structure is provided with a first state rotating along a first direction and a second state rotating along a second direction opposite to the first direction; the blocking rib extends towards the spraying structure and is suitable for blocking the spraying structure in the rotating process of the spraying structure. The invention can realize the partitioned washing, and can improve the space utilization rate of the inner container without arranging a plurality of separated cavities in the inner container.

Description

Dish washing machine

Technical Field

The invention relates to the technical field of kitchen utensils, in particular to a dish washing machine.

Background

The current popular dish washer in the market is mainly that specific region is directly divided in the inner bag chamber and specific washing is carried out in the aspect of subregion washing, namely, realize the subregion washing through the mode that increases the inner bag chamber or cut apart the inner bag chamber, but increase the inner bag chamber or separate that the inner bag chamber can be more or less occupy extra space, reduce the washing space, lead to dish washer's space utilization low.

Disclosure of Invention

Therefore, the technical problem to be solved by the invention is to overcome the defect of low space utilization rate of the inner container of the dish washing machine capable of performing zone washing in the prior art, so that the dish washing machine capable of performing zone washing and improving the space utilization rate of the inner container is provided.

The present invention provides a dishwasher, comprising:

a body provided with an inner container;

the bowl basket is arranged in the inner container and comprises a frame body and at least two separating ribs arranged on the frame body; the frame body is provided with at least two cleaning areas, an active area is formed between every two adjacent separating ribs, and one active area corresponds to at least one cleaning area;

the stopper is arranged on the bowl basket and comprises a main body and a blocking rib connected to the main body, and the blocking rib is arranged in the active area and is suitable for reciprocating rotation between the two blocking ribs forming the active area;

the spraying structure is rotatably arranged on the inner container and is provided with a cleaning spray hole facing the bowl basket; the spraying structure is provided with a first state rotating along a first direction and a second state rotating along a second direction opposite to the first direction; the blocking rib extends towards the spraying structure and is suitable for blocking the spraying structure in the rotating process of the spraying structure.

Optionally, the stopper is removably connected to the bowl basket.

Optionally, the rack body comprises:

a rack body;

the connecting ring is arranged in the center of the frame body, and the spacer ribs are connected to the connecting ring and extend into the connecting ring;

and the at least two partition strips are used for connecting the frame body and the connecting ring and dividing the frame body into at least two cleaning areas.

Optionally, the spacer ribs are provided in plurality and radially distributed on the connection ring.

Optionally, the partition ribs are arranged in one-to-one correspondence with the partition strips and integrally formed with the corresponding partition strips.

Optionally, the frame body is of a central symmetrical structure.

Optionally, the main body is an annular structure arranged on the separating rib or the partition strip, and the blocking rib extends out of the bowl basket through the active area.

Optionally, the stopper further comprises a rib connected to the main body, and the rib and the stopper rib are respectively disposed on two sides of the main body; and the length of the convex rib is satisfied, and when the stopper is placed in a state that the convex rib faces the spraying structure, the convex rib is always spaced from the spraying structure in the rotating process of the spraying structure.

Optionally, the spray structure comprises:

the rotating shaft is rotatably connected to the inner container;

and the spraying arm is connected to the rotating shaft and provided with the cleaning spraying holes, and the position on the spraying arm, which is spaced from the rotating shaft, is suitable for being contacted with the blocking ribs in the rotating process of the spraying structure.

Optionally, the spray arm is of an "S" type structure or an inverted "S" type structure.

Optionally, the spray arm is further provided with a plurality of pressure spray hole structures, each pressure spray hole structure includes a pressure spray hole, and each pressure spray hole structure has an open state in which the pressure spray hole is opened and a closed state in which the pressure spray hole is closed; the cleaning jet holes are provided with a plurality of cleaning jet holes, the torque of the cleaning jet holes for jetting water flow is a first torque, the torque of the pressure jet holes for jetting water flow is a second torque when the pressure jet hole structure is in the open state, the direction of the second torque is opposite to that of the first torque, and the second torque is larger than the first torque.

Optionally, the spraying direction of the plurality of cleaning spray holes is a counterclockwise direction, and the spraying direction of the plurality of pressure spray holes is a clockwise direction; or the spraying direction of the plurality of cleaning spray holes is clockwise, and the spraying direction of the plurality of pressure spray holes is anticlockwise.

Optionally, the pressure jet structure further comprises:

the water inlet and the water outlet are respectively communicated with the pressure jet hole;

the spray hole blocking piece is arranged at the water inlet;

the biasing member is arranged in the pressure jet hole, one end of the biasing member is abutted against the hole wall of the pressure jet hole, and the other end of the biasing member is abutted against the jet hole blocking piece; the biasing member applies a biasing force to the orifice plate to close the water inlet.

Optionally, the invention provides a dishwasher, further comprising a washing pump in communication with the spray arm.

The technical scheme of the invention has the following effects:

1. the present invention provides a dishwasher, comprising: a body provided with an inner container; the bowl basket is arranged in the inner container and comprises a frame body and at least two separating ribs arranged on the frame body; the frame body is provided with at least two cleaning areas, an active area is formed between every two adjacent separating ribs, and one active area corresponds to at least one cleaning area; the stopper is arranged on the bowl basket and comprises a main body and a blocking rib connected to the main body, and the blocking rib is arranged in the active area and is suitable for reciprocating rotation between the two blocking ribs forming the active area; the spraying structure is rotatably arranged on the inner container and is provided with a cleaning spray hole facing the bowl basket; the spraying structure is provided with a first state rotating along a first direction and a second state rotating along a second direction opposite to the first direction; the blocking rib extends towards the spraying structure and is suitable for blocking the spraying structure in the rotating process of the spraying structure. When the spraying structure is used, the spraying structure is initially in a first state rotating along a first direction, and sprays to a bowl basket to clean tableware or food and the like arranged on the bowl basket, in the rotating process, the spraying structure can be in contact with a blocking rib and drives the blocking rib to rotate together until the blocking rib is abutted against a blocking rib forming an active area where the blocking rib is located, the blocking rib cannot rotate together with the spraying structure, the blocking structure is abutted against the spraying structure, the spraying structure cannot rotate continuously along the first direction, at the moment, the rotating direction of the spraying structure can be changed by means of pulse washing or sensor arrangement and the like, the spraying structure is switched to a second state rotating along a second direction, the spraying structure can be in the rotating process along the second direction and can be in contact with the blocking rib again, and the processes of driving the blocking rib to move and the like are repeated. Therefore, the blocking ribs can block the spraying structure from continuously rotating along the original direction when being respectively contacted with the two separating ribs of the located active area, so that the arrangement of the blocking ribs and the separating ribs can limit the spraying structure to rotate in a reciprocating manner in a specific area, the cleaning of the spraying structure on a specific cleaning area on the bowl basket can be realized, the partitioned cleaning can be realized, a plurality of separating cavities are not required to be arranged in the inner container, the space utilization rate of the inner container can be improved, and meanwhile, the spraying structure can only repeatedly clean the specific cleaning area, so that the effect of improving the cleaning efficiency is achieved.

2. According to the dishwasher provided by the invention, the spray arm is of an S-shaped structure or an inverse S-shaped structure. This makes it possible to achieve the greatest cleaning effect with the smallest possible rotation of the spray structure during the rotation.

3. The dishwasher provided by the invention is characterized in that the spray arm is also provided with a plurality of pressure spray hole structures, each pressure spray hole structure comprises a pressure spray hole, and each pressure spray hole structure has an open state that the pressure spray hole is opened and a closed state that the pressure spray hole is closed; the cleaning jet holes are provided with a plurality of cleaning jet holes, the torque of the cleaning jet holes for jetting water flow is a first torque, the torque of the pressure jet holes for jetting water flow is a second torque when the pressure jet hole structure is in the open state, the direction of the second torque is opposite to that of the first torque, and the second torque is larger than the first torque. Therefore, when the pressure spraying hole structure is in a closed state, the spraying arm can rotate along the first direction under the action of the first moment, and when the pressure spraying hole structure is in an open state, the spraying arm can rotate along the second direction under the action of the difference between the second moment and the first moment, so that the spraying structure can be switched between the rotation along the first direction and the rotation along the second direction.

4. The invention provides a dishwasher, the pressure spray hole structure further comprises: the water inlet and the water outlet are respectively communicated with the pressure jet hole; the spray hole blocking piece is arranged at the water inlet; the biasing member is arranged in the pressure jet hole, one end of the biasing member is abutted against the hole wall of the pressure jet hole, and the other end of the biasing member is abutted against the jet hole blocking piece; the biasing member applies a biasing force to the orifice plate to close the water inlet. When the pressure of water flow entering the spray arm is small, the biasing force applied to the spray orifice blocking piece by the biasing piece cannot be overcome, the water inlet is sealed by the spray orifice blocking piece, no water flow in the pressure spray orifice is discharged from the water outlet, and the pressure spray orifice structure is in a closed state; when the pressure of water flow entering the spray arm is large, the biasing force applied to the spray hole blocking piece by the biasing piece is overcome, the water flow rushes the spray hole blocking piece to enter the pressure spray hole from the water inlet, the water in the pressure spray hole is discharged from the water outlet, and the pressure spray hole structure is in an open state. Therefore, the switching of the pressure spray hole structure between the opening state and the closing state can be realized only by adjusting the water pressure of water flow entering the spray arm, and the structure is simple and easy to realize.

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 description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

FIG. 1 is a schematic view of the interior of a dishwasher provided in a first embodiment of the present invention;

FIG. 2 is a schematic top view of a basket of the dishwasher shown in FIG. 1;

FIG. 3 is a schematic perspective view of a flight of the dishwasher shown in FIG. 1;

FIG. 4 is a schematic top view of the spray arrangement of the dishwasher shown in FIG. 1;

FIG. 5 is a schematic cross-sectional view of the spray structure of FIG. 4 at a pressure jet;

description of reference numerals:

1-machine body, 11-inner container, 2-bowl basket, 211-rack body, 212-connecting ring, 213-partition bar, 22-separating rib, 3-blocking piece, 31-main body, 32-blocking rib, 33-convex rib, 4-cleaning spray hole, 51-cleaning zone, 52-active zone, 61-rotating shaft, 62-spray arm, 71-pressure spray hole, 72-water inlet, 73-water outlet, 74-spray hole blocking piece, 75-bias piece and 10-tableware.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

As shown in fig. 1 to 5, the present embodiment provides a dishwasher including a body 1, a basket 2, a stopper 3, and a spray structure.

The body 1 is provided with an inner container 11.

The bowl basket 2 is arranged in the inner container 11 and comprises a frame body and at least two separation ribs 22 arranged on the frame body; the frame body is provided with at least two cleaning areas 51, an active area 52 is formed between two adjacent separating ribs 22, and one active area 52 corresponds to at least one cleaning area 51.

The stopper 3 is mounted on the bowl basket 2 and includes a main body 31 and a stopper rib 32 connected to the main body 31, the stopper rib 32 being disposed in the active region 52 and adapted to rotate back and forth between the two stopper ribs 32 constituting the active region 52.

The spraying structure is rotatably arranged on the inner container 11 and is provided with a cleaning spray hole 4 facing the bowl basket 2; the spraying structure is provided with a first state rotating along a first direction and a second state rotating along a second direction opposite to the first direction; the blocking ribs 32 extend towards the spray structure and are adapted to block the spray structure during rotation thereof.

When the spraying structure is used, the spraying structure is initially in a first state rotating along a first direction, and sprays water to the bowl basket 2 to clean tableware 10 or food and the like arranged on the bowl basket 2, in the rotating process, the spraying structure can be contacted with the blocking ribs 32 and drives the blocking ribs 32 to rotate together until the blocking ribs 32 abut against the separating ribs 22 forming the activity area 52 where the blocking ribs are located, the blocking ribs 32 cannot rotate together with the spraying structure and abut against the spraying structure, the spraying structure cannot rotate continuously along the first direction, at the moment, the rotating direction of the spraying structure can be changed by means of pulse washing or sensor arrangement and the like, the spraying structure is switched to a second state rotating along a second direction, the spraying structure can be contacted with the blocking ribs 32 again in the rotating process along the second direction, and the processes of driving the blocking ribs 32 to move and the like are repeated. Therefore, the blocking ribs 32 can block the spraying structure from continuously rotating along the original direction when being respectively contacted with the two separating ribs 22 of the located active area 52, so that the arrangement of the blocking ribs 32 and the separating ribs 22 can limit the spraying structure to rotate in a reciprocating manner in a specific area, thereby realizing the cleaning of the spraying structure on the specific cleaning area 51 on the bowl basket 2, not only realizing the partitioned cleaning, but also being capable of improving the space utilization rate of the inner container 11 without arranging a plurality of separating cavities in the inner container 11, and meanwhile, because the spraying structure of the invention can only repeatedly clean the specific cleaning area 51, the invention also has the effect of improving the cleaning efficiency.

In the dishwasher provided in the embodiment, the blocking member 3 is detachably connected to the basket 2. Thus, when the partitioned washing is not needed, the stopper 3 can be taken down from the bowl basket 2 and taken out of the inner container 11, and the stopper 3 can also be mounted in a way that the stopper rib 32 faces away from the spraying structure after being taken down from the bowl basket 2.

The specific structure of the shelf body may be various, and in this embodiment, the shelf body includes a shelf body 211, a connection ring 212, and at least two division bars 213.

The connection ring 212 is disposed at the center of the holder body 211, and the spacer 22 is connected to the connection ring 212 and extends into the connection ring 212.

The partition bar 213 connects the rack body 211 and the connection ring 212, and at least two partition bars 213 divide the rack body 211 into at least two washing zones 51.

The specific number of the partition ribs 22 and the partition bars 213 is not limited, in this embodiment, the partition ribs 22 and the partition bars 213 are respectively provided in plurality, the plurality of partition ribs 22 form a plurality of active areas 52, the plurality of partition bars 213 form a plurality of cleaning areas 51, and the active areas 52 and the cleaning areas 51 are arranged in a one-to-one correspondence manner. In other embodiments, there may be two spacer bars 22 and two division bars 213. In other embodiments, one active area 52 may correspond to a plurality of cleaning areas 51.

The specific distribution of the plurality of ribs 22 on the connection ring 212 is not limited, and in the present embodiment, the plurality of ribs 22 are radially distributed on the connection ring 212.

In the present embodiment, the partition ribs 22 are provided in one-to-one correspondence with the division bars 213, and are integrally formed with the corresponding division bars 213.

The frame body in this embodiment is a centrosymmetric structure.

The specific structure of the stopper 3 can be various, in this embodiment, the main body 31 is a ring structure and is disposed on the spacer rib 22, and the spacer rib 32 extends out of the bowl basket 2 through the active area 52. In other embodiments, the spacer 22 may be disposed on the partition bar 213.

In this embodiment, the stopper 3 further includes a rib 33 connected to the main body 31, and the rib 33 and the rib 32 are respectively disposed on two sides of the main body 31; and the length of the convex rib 33 is satisfied, when the stopper 3 is placed in a state that the convex rib 33 faces the spraying structure, the convex rib 33 is always spaced from the spraying structure in the rotating process of the spraying structure. The provision of the ribs 33, on the one hand, facilitates the removal of the stop 3 from the frame, so that the stop 3 can be placed, as required, in the active zone 52 corresponding to the washing zone 51 to be cleaned; on the other hand, can also be when not needing to carry out the subregion and wash, make protruding muscle 33 towards spraying the structure setting, keep off muscle 32 and spray the structure setting dorsad, protruding muscle 33 can not produce to spraying the structure and block like this and block, can make and spray the structure and rotate along same direction always to can realize wasing all washing zone 51 of dish washer, compare like this and will keep off piece 3 and directly take out from inner bag 11, can avoid keeping off piece 3 and lose.

The specific structure of the spraying structure can be various, and in the embodiment, the spraying structure comprises a rotating shaft 61 and a spraying arm 62.

The rotating shaft 61 is rotatably connected to the inner container 11.

The spray arm 62 is connected to the rotating shaft 61 and is provided with a cleaning spray hole 4, and the position, which is spaced from the rotating shaft 61, of the spray arm 62 is suitable for being in contact with the stop rib 32 in the rotating process of the spray structure.

The specific shape of the spray arm 62 is not limited, and the spray arm 62 in this embodiment has an inverted "S" shape. This makes it possible to achieve the greatest cleaning effect with the smallest possible rotation of the spray structure during the rotation. In an alternative embodiment, the spray arm 62 may have an "S" configuration. In other embodiments, the spray arm 62 may also be a straight structure.

In this embodiment, the spray arm 62 is further provided with a plurality of pressure spray hole 71 structures, each pressure spray hole 71 structure includes a pressure spray hole 71, and each pressure spray hole 71 structure has an open state in which the pressure spray hole 71 is open and a closed state in which the pressure spray hole 71 is closed; the cleaning jet holes are provided with a plurality of cleaning jet holes, the moment of water flow sprayed by the cleaning jet holes is a first moment, the moment of water flow sprayed by the pressure jet holes 71 is a second moment when the pressure jet hole 71 structure is in an open state, the direction of the second moment is opposite to that of the first moment, and the second moment is larger than the first moment. Thus, when the pressure jet hole 71 structure is in a closed state, the spray arm 62 can be rotated in the first direction under the action of the first moment, and when the pressure jet hole 71 structure is in an open state, the spray arm 62 can be rotated in the second direction under the action of the difference between the second moment and the first moment, so that the spray structure can be switched between the rotation in the first direction and the rotation in the second direction.

The first torque and the second torque can be implemented in different ways, in this embodiment, the injection direction of the plurality of purge injection holes is counterclockwise, and the injection direction of the plurality of pressure injection holes 71 is clockwise. As an alternative embodiment, the injection direction of the plurality of purge injection holes may be clockwise, and the injection direction of the plurality of pressure injection holes 71 may be counterclockwise.

The specific manner of switching the structure of the pressure nozzle hole 71 between the open state and the closed state can be various, and in this embodiment, the structure of the pressure nozzle hole 71 further includes a water inlet 72, a water outlet 73, a nozzle blocking piece 74 and a biasing member 75.

The water inlet 72 and the water outlet 73 are respectively communicated with the pressure jet hole 71.

The orifice block 74 is disposed at the water inlet 72.

The biasing member 75 is arranged in the pressure jet hole 71, one end of the biasing member abuts against the hole wall of the pressure jet hole 71, and the other end of the biasing member abuts against the jet hole blocking piece 74; the biasing member 75 applies a biasing force to the orifice plate 74 that covers the water inlet 72. The specific configuration of the biasing member 75 is not limited, and the biasing member 75 in this embodiment is a spring.

When the pressure of the water flow entering the spray arm 62 is small, the biasing force applied to the spray hole blocking piece 74 by the biasing piece 75 cannot be overcome, the spray hole blocking piece 74 covers the water inlet 72, no water flow in the pressure spray hole 71 is discharged from the water outlet 73, and the structure of the pressure spray hole 71 is in a closed state; when the pressure of the water flow entering the spray arm 62 is large, the biasing force applied to the nozzle hole blocking piece 74 by the biasing piece 75 is overcome, the water flow pushes the nozzle hole blocking piece 74 away from the water inlet 72 and enters the pressure nozzle hole 71, the water in the pressure nozzle hole 71 is discharged from the water outlet 73, and the structure of the pressure nozzle hole 71 is in an open state. Therefore, the pressure of the water flow entering the spray arm 62 can be adjusted to switch the structure of the pressure spray hole 71 between the open state and the closed state, and the structure is simple and easy to realize.

The specific implementation is not limited to the manner of regulating the pressure of the water flow entering the spray arm 62, and in this embodiment, the dishwasher further includes a washing pump communicated with the spray arm 62, the spray arm 62 is supplied with water by the washing pump, and the change of the water pressure of the water flow entering the spray arm 62 is realized by changing the rotation speed of the washing pump. The rotation speed of the washing pump may be changed according to a preset time, for example, the rotation speed of the washing pump may be changed once every 5 seconds to 15 seconds, and specifically, in the present embodiment, the rotation speed of the washing pump is changed once every 8 seconds. In other embodiments, the rotational speed of the washing pump may be changed every 5 seconds or every 15 seconds.

It should be understood that the above examples are only for clarity of illustration and are not intended to limit the embodiments. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. And obvious variations or modifications of the invention may be made without departing from the spirit or scope of the invention.

Claims

1. A dishwasher, comprising:

a body (1) provided with an inner container (11);

the bowl basket (2) is arranged in the inner container (11) and comprises a frame body and at least two separation ribs (22) arranged on the frame body; the frame body is provided with at least two cleaning areas (51), an active area (52) is formed between two adjacent separating ribs (22), and one active area (52) corresponds to at least one cleaning area (51);

the stopper (3) is detachably mounted on the bowl basket (2) and comprises a main body (31) and a blocking rib (32) connected to the main body (31), and the blocking rib (32) is arranged in the active area (52) and is suitable for reciprocating rotation between the two blocking ribs (32) forming the active area (52);

the spraying structure is rotatably arranged on the inner container (11) and is provided with a cleaning spray hole (4) facing the bowl basket (2); the spraying structure is provided with a first state rotating along a first direction and a second state rotating along a second direction opposite to the first direction; the blocking rib (32) extends towards the spraying structure and is suitable for blocking the spraying structure in the rotating process of the spraying structure;

the spray structure includes:

a rotating shaft (61) which is rotatably connected to the inner container (11);

the spray arm (62) is connected to the rotating shaft (61) and provided with the cleaning spray holes (4), and the position, which is spaced from the rotating shaft (61), of the spray arm (62) is suitable for being in contact with the blocking rib (32) in the rotating process of the spray structure;

the spray arm (62) is also provided with a plurality of pressure spray hole (71) structures, the pressure spray hole (71) structures comprise pressure spray holes (71), and the pressure spray hole (71) structures have an opening state that the pressure spray holes (71) are opened and a closing state that the pressure spray holes (71) are closed; the cleaning jet holes are provided with a plurality of cleaning jet holes, the moment of spraying water flow by the cleaning jet holes is a first moment, the moment of spraying water flow by the pressure jet holes (71) is a second moment when the pressure jet hole (71) structure is in the open state, the direction of the second moment is opposite to that of the first moment, and the second moment is larger than the first moment.

2. The dishwasher of claim 1, characterized in that the screen (3) is detachably connected to the basket (2).

3. The dishwasher of claim 1, wherein the rack comprises:

a holder body (211);

the connecting ring (212) is arranged at the center of the frame body (211), and the separating rib (22) is connected to the connecting ring (212) and extends into the connecting ring (212);

at least two division bars (213) connecting the shelf body (211) and the connection ring (212) and dividing the shelf body (211) into at least two washing zones (51).

4. The dishwasher of claim 3, characterized in that the spacer ribs (22) are provided in plurality and radially distributed on the connection ring (212).

5. The dishwasher of claim 3, characterized in that the partition ribs (22) are provided in one-to-one correspondence with the section bars (213) and are integrally formed with the corresponding section bars (213).

6. The dishwasher of claim 3, wherein the rack is a centrally symmetric structure.

7. The dishwasher of any one of claims 3 to 6, characterized in that the body (31) is a ring-shaped structure provided on the partition rib (22) or the section bar (213), and the blocking rib (32) protrudes out of the basket (2) through the active region (52).

8. The dishwasher according to any one of claims 1 to 6, characterized in that the screen (3) further comprises a rib (33) connected to the main body (31), the rib (33) and the screen (32) being provided on both sides of the main body (31); and the length of the convex rib (33) is satisfied, when the blocking piece (3) is placed in a state that the convex rib (33) faces the spraying structure, the convex rib (33) always has a distance with the spraying structure in the rotating process of the spraying structure.

9. The dishwasher of claim 1, characterized in that the spray arm (62) is of an "S" configuration or an inverted "S" configuration.

10. The dishwasher of claim 1, wherein the spray direction of the plurality of wash spray holes is counterclockwise, and the spray direction of the plurality of pressure spray holes (71) is clockwise; or the spraying direction of the plurality of cleaning spray holes is clockwise, and the spraying direction of the plurality of pressure spray holes (71) is anticlockwise.

11. The dishwasher of claim 10, wherein the pressure jet (71) structure further comprises:

a water inlet (72) and a water outlet (73) which are respectively communicated with the pressure jet hole (71);

the spray hole blocking piece (74) is arranged at the water inlet (72);

the biasing member (75) is arranged in the pressure jet hole (71), one end of the biasing member is abutted against the hole wall of the pressure jet hole (71), and the other end of the biasing member is abutted against the jet hole blocking piece (74); the biasing member (75) applies a biasing force to the orifice plate (74) that covers the water inlet (72).

12. The dishwasher of claim 1, further comprising a wash pump in communication with the spray arm (62).