CN110664342B

CN110664342B - Dish washer and shelf for dish washer

Info

Publication number: CN110664342B
Application number: CN201810706702.XA
Authority: CN
Inventors: 李炳强; 程宝珍; 杨林
Original assignee: Qingdao Haier Dishwasher Co Ltd
Current assignee: Qingdao Haier Dishwasher Co Ltd
Priority date: 2018-07-02
Filing date: 2018-07-02
Publication date: 2022-08-30
Anticipated expiration: 2038-07-02
Also published as: CN110664342A

Abstract

The invention discloses a shelf for a dish washer, which comprises a conduit for introducing washing liquid; the guide pipe is connected with the spraying pipe through the rotating part so as to spray and wash the tableware by using the washing liquid; the rotating member can rotate relative to the spray pipe and/or the guide pipe so as to utilize the rotation of the rotating member to carry out switching operation on the communication between the spray pipe and the guide pipe. The invention also discloses a dish washing machine, which can be used for intensively washing the interiors of deeper tableware such as water cups, feeding bottles and the like, has a more obvious washing effect and better meets the requirements of users.

Description

Dish washer and shelf for dish washer

Technical Field

The invention belongs to the technical field of household appliances, and particularly relates to a shelf for a dish washing machine and a dish washing machine with the shelf.

Background

Most dish washers at present wash dishes by adopting the rotation of a spraying structure, and water flow sprayed by the spraying structure can cover most of shelves in the dish washer so as to wash the dishes in the shelves, however, because the water flow distribution of the washing mode is scattered, the water flow rarely touches the bottom of the dishes for deeper dishes such as cups, water bottles and the like, and even if the water flow can wash the bottom of the dishes, the washing effect is poor because the spraying distance is long and the washing force is insufficient; some dish washing machines adopt to increase a spray structure again below darker cup, nevertheless because its rivers that spout are still far away from the tableware bottom, can't reach the purpose of strengthening the washing, only increased the number of times of washing, lead to the waste of water resource.

The present invention has been made in view of this situation.

Disclosure of Invention

The technical problem to be solved by the invention is to overcome the defects of the prior art and provide a structure for cleaning deeper tableware, which can enhance the washing effect of the deeper tableware and realize the simultaneous washing of the deeper tableware such as bottles and the like and other tableware.

In order to solve the technical problems, the invention adopts the technical scheme that:

a rack for a dishwasher, the rack comprising a conduit for introducing a washing liquid; the guide pipe is connected with the spray pipe through a rotating part so as to spray and wash the tableware by using the washing liquid; the rotating member can rotate relative to the spray pipe and/or the guide pipe so as to utilize the rotation of the rotating member to carry out switching operation on the communication between the spray pipe and the guide pipe.

Furthermore, a joint is arranged on the guide pipe, the axis of the joint is vertical to the extension direction of the guide pipe, the connecting end of the spray pipe is connected with the outlet of the joint through a rotating piece, and a spray nozzle for spraying and washing the tableware is arranged at the water spraying end; preferably, the axes of the conduit and the joint extend along the horizontal direction, and the axis of the spray pipe is perpendicular to the axis of the joint.

Furthermore, a water inlet is formed in the connecting end of the spray pipe; the rotating piece comprises a groove which rotates around the connecting end of the spraying pipe and corresponds to the opening of the outer wall of the spraying pipe, the groove is communicated with the joint water outlet so as to communicate the joint with the spraying pipe when the groove rotates to coincide with the opening of the spraying pipe correspondingly, and the joint and the spraying pipe are disconnected when the groove rotates to intersect with the opening of the spraying pipe.

Furthermore, the rotating piece comprises a blocking piece rotating around the axis of the joint, the blocking piece is provided with a groove which extends along the axis of the joint and protrudes to the radial outer side of the joint, the open side of the groove corresponds to the outer wall of the joint, and the blocking piece is correspondingly attached and contacted with the outer wall of the joint so as to seal the opening of the groove; one end of the groove is communicated with the joint, and the other end of the groove is sealed by the limiting piece.

Furthermore, the connecting end of the spraying pipe is a cylindrical cavity which is coaxial with the joint, a water inlet is arranged along the radial direction of the cylindrical cavity, and the blocking piece of the rotating piece extends to cover the outer wall of the cylindrical cavity so as to rotate along with the blocking piece to connect or disconnect the joint with the spraying pipe through the groove.

Furthermore, one side of the cylindrical cavity of the spray pipe is rotatably connected with the joint, so that the spray pipe can rotate relatively around the axis of the joint; the spraying pipe can also rotate around the axis of the rotating part so as to strengthen the washing of different parts of the tableware.

Furthermore, the rotating part comprises a limiting part fixedly connected to the blocking piece, the limiting part is rotatably connected with the spraying pipe cylindrical cavity, and the periphery of the limiting part exceeds the outer contour of the cylindrical cavity so as to correspond to the sealing groove and keep away from one end of the joint.

Furthermore, a plurality of spray pipes are arranged on the guide pipe, and each spray pipe is connected with the guide pipe through a corresponding rotating part so as to spray and wash tableware respectively placed on the corresponding spray pipes by using a detergent; preferably, the cleaning liquid in the conduit can be selectively sprayed by any one or more of the spray pipes through the rotating member.

Furthermore, the spraying pipe is provided with a fixing piece which is a sheet-shaped plate with the middle part protruding outwards and two ends corresponding to the two ends of the spraying pipe respectively, one end of the fixing piece is fixed with the spraying pipe, and the other end of the fixing piece can generate elastic deformation and is close to the outer wall of the spraying pipe so as to fix the tableware on the spraying pipe; preferably, one end of the fixing piece is sleeved on the outer wall of the spray pipe, so that the fixing piece can rotate around the axis of the spray pipe; further preferably, the fixing piece is detachably mounted on the shower pipe.

After the technical scheme is adopted, compared with the prior art, the invention has the following beneficial effects.

1. The spraying pipes and the spraying rods are arranged on the shelf, so that deep tableware such as a water cup and a milk bottle and other tableware can be washed simultaneously, the spraying pipes can extend into the water cup and the milk bottle and further reach the inner part of the deep tableware, the spraying distance is reduced, the water flow impact force is increased, the washing effect is more obvious, and the spraying range of the spraying rods is large, so that the tableware in a washing chamber can be washed;

2. the guide pipe is connected with the spraying pipe through the rotating part and can rotate relative to the spraying pipe and/or the guide pipe so as to utilize the rotation of the rotating part to carry out switching operation on the communication between the spraying pipe and the guide pipe, thereby facilitating a user to select the working quantity of the spraying pipes by self, saving water resources and realizing washing of tableware with different quantities; the arrangement of the rotating part ensures that the rotating part adjusts the water pressure through the opening degree in the rotating process, and a user can select proper water flow according to different washed tableware; the spraying pipe can also rotate around the axis of the rotating part so as to strengthen the washing of different parts of the tableware, and the spraying pipe can be switched on and off by the rotating part when rotating to any position, so that the operation of a user is more convenient;

3. the spray pipe is provided with a fixing piece, tableware to be washed can be fixed on the spray pipe, and the fixing piece can be detached, so that a placing space is conveniently vacated for other tableware.

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention to the proper form disclosed herein. It is obvious that the drawings in the following description are only some embodiments, and that for a person skilled in the art, other drawings can be derived from them without inventive effort. In the drawings:

FIG. 1 is a schematic view of a shelf in an embodiment of the present invention;

FIG. 2 is a schematic view of the shelf of an embodiment of the present invention with the mounting block removed;

FIG. 3 is a schematic view of the assembly of the conduit and the shower in an embodiment of the present invention;

figure 4 is a cross-sectional view of a shower and a rotatable member in an embodiment of the present invention.

Description of the main elements of the figure: 1. a shelf; 11. fixing teeth; 12. a rib; 2. a conduit; 201. a tubular projection; 202. fixing a card; 21. a joint; 210. a joint axis; 22. a rotating member; 220. a rotor axis; 221. a groove; 222. a baffle plate; 223. a limiting member; 224. a first position; 225. a second position; 23. a shower pipe; 230. a shower axis; 231. a cylindrical chamber; 232. a cylindrical chamber outer wall; 233. an opening; 234. a spray channel; 235. the outer wall of the spray pipe; 232. a connecting end; 233. a water spraying end; 24. a nozzle; 240. a liquid ejection hole; 25. a fixing sheet; 3. a water inlet device; 4. a spray arm; 41 spray rods; 42. a spray port; 5. a fixed block; 51. a claw; 6. a connecting pipe; 100. and a washing chamber.

It should be noted that the drawings and the description are not intended to limit the scope of the inventive concept in any way, but rather to illustrate it for those skilled in the art by reference to specific embodiments.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and the following embodiments are used for illustrating the present invention and are not intended to limit the scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

As shown in fig. 1 to 4, a rack 1 for a dishwasher according to an embodiment of the present invention, the rack 1 including a duct 2 for introducing a washing liquid; the pipe 2 is connected to a spray pipe 23 via a rotary member 22 for spray washing the dishes with the washing liquid.

In an embodiment of the invention, the rack 1 comprises a conduit 2 for introducing a washing liquid into the rack 1; the guide pipe 2 is connected with the spraying pipe 23 through the rotating part 22 so as to utilize the washing liquid to spray and wash tableware, the rotating part 22 can rotate relative to the spraying pipe 23 and/or the guide pipe 2 so as to utilize the rotation of the rotating part 22 to carry out on-off operation on the communication between the spraying pipe 23 and the guide pipe 2, a user can select the working quantity of the spraying pipe 23 by himself, and water resources are saved.

In the embodiment of the present invention, the rotating member 22 can rotate around the rotating member axis 220, when the groove 221 of the rotating member 22 is correspondingly overlapped with the opening 233 of the spraying pipe 23, the cleaning liquid in the conduit 2 can reach the spraying pipe 23 through the joint 21 and the rotating member 22 and be sprayed out from the spraying pipe 24, and when the groove 221 of the rotating member 22 is intersected with the opening 233 of the spraying pipe 23, the cleaning liquid in the conduit 2 is limited to flow into the spraying pipe 23, so that the cleaning liquid in the conduit 2 can be selectively sprayed out from any one or more spraying pipes 23 through the rotating member 22.

In the embodiment of the invention, the conduit 2 is connected to the water inlet device 3 through a connecting pipe 6, and the water inlet device 3 is connected with a water inlet system of a dishwasher; the conduit 2 can also be directly connected to the water intake system of the dishwasher; the cleaning solution enters the spraying pipe 23 through the guide pipe 2 by the rotating part 22 and is sprayed to the tableware to be cleaned by the nozzle 24, so that the interior of the feeding bottle, the water cup and the like is intensively cleaned; the spray pipe 23 can rotate around the rotating part axis 220 to perform enhanced washing on different parts of the tableware.

Example one

As shown in fig. 1 to 4, the rack 1 of the present embodiment includes a conduit 2 for introducing a washing liquid into the washing chamber 100, at least one spraying pipe 23 is disposed on the conduit 2, a nozzle 24 is disposed at a top end of the spraying pipe 23, and a plurality of liquid spraying holes 240 are disposed on the nozzle 24 for spraying the washing liquid to wash dishes.

In this embodiment, the pipe 2 is provided with the joint 21, the axis of the joint 21 is perpendicular to the extending direction of the pipe 2, the connecting end 232 of the shower 23 is connected with the outlet of the joint 21 through the rotating member 22, the pipe 2 and the joint axis 210 both extend along the horizontal direction, and the shower axis 230 is perpendicular to the joint axis 210.

In this embodiment, the spraying pipe 23 is provided with a connecting end 232 and a water spraying end 233, the water spraying end 233 is provided with a nozzle 24 for spraying and washing the dishes, the nozzle 24 is provided with a liquid spraying hole 240 for spraying washing liquid to the washing chamber 100, so as to enhance the washing of the inside of the dishes or the back of other dishes above the nozzle 24; the connecting end 232 of the spraying pipe 23 is provided with a cylindrical cavity 231 which is coaxial with the joint 21, one side of the cylindrical cavity 231 of the spraying pipe 23 is rotatably connected with the joint 21, so that the spraying pipe 23 can generate relative rotation around the joint axis 210, an opening 233 is arranged along the radial direction of the cylindrical cavity 231, and the blocking piece 222 of the rotating piece 22 extends to cover the outer wall 232 of the cylindrical cavity.

In this embodiment, the rotating member 22 includes a groove 221 rotating around the connecting end 232 of the shower 23 and opening to the outer wall 235 of the shower, the groove 221 is communicated with the water outlet of the joint 21, so as to connect the joint 21 and the shower 23 when the groove 221 rotates to coincide with the opening 233 of the shower 23, and disconnect the joint 21 from the shower 23 when the groove 221 rotates to intersect with the opening 233 of the shower 23, thereby realizing the on/off operation of the shower 23.

In this embodiment, the rotating member 22 is rotatable about the rotating member axis 220 between a first position 224 and a second position 225, in the first position 224, the grooves 221 of the rotating member 22 are correspondingly overlapped with the openings 233 of the spraying pipes 23, the cleaning liquid in the conduit 2 can reach the spraying pipes 23 through the joint 21 and the rotating member 22 and be sprayed out from the nozzles 24, in the second position 225, the grooves 221 of the driving mechanism are staggered with the openings 233 of the spraying pipes 23, the cleaning liquid in the conduit 2 is restricted from flowing into the spraying pipes 23, and therefore the cleaning liquid in the conduit 2 can be selectively sprayed out from any one or more of the spraying pipes 23 through the rotating member 22.

In this embodiment, the guide pipe 2 is provided with a plurality of spraying pipes 23, and each spraying pipe 23 is connected with the guide pipe 2 through a corresponding rotating member 22, so that the tableware respectively placed on the corresponding spraying pipe 23 is sprayed and washed by using the detergent.

In this embodiment, the spraying pipe 23 can rotate around the rotating member axis 220 to perform intensive washing on different parts of the tableware, and the spraying pipe 23 can be switched on and off by the rotating member when rotating to any position, so that the operation of a user is more convenient.

In this embodiment, at least one spray pipe 23 is disposed on the conduit 2, the spray pipe 23 and the conduit 2 can be directly or indirectly connected, the spray pipe 23 extends from the bottom wall of the rack 1 to the inside of the washing chamber 100, the rack 1 includes a plurality of fixed teeth 11 perpendicular to the bottom wall, the spray pipe 23 can be distributed between the fixed teeth 11 of the bottom wall, a nozzle 24 is disposed at the top end of the spray pipe 23, and a plurality of liquid spray holes 240 are disposed on the nozzle 24 to spray the washing liquid to wash the dishes.

In this embodiment, the shower 23 includes a shower outer wall 235 and a shower passage 234, the opening 233 of the shower 23 being perpendicular to the rotor axis 220 such that the shower passage communicates with the conduit 2 when the rotor 22 is in the first position 224, and the shower passage 234 does not communicate with the conduit 2 when the rotor 22 is in the second position 225.

In this embodiment, the spraying pipe 23 can be extended into the tableware, so as to reduce the distance between the nozzle 24 and the tableware, increase the water impact strength and improve the washing effect.

In this embodiment, the number of the shower pipes 23 is not limited to the number given in the drawing.

In this embodiment, the spraying pipe 23 is provided with a fixing piece 25, the fixing piece 25 is a sheet-shaped plate with a middle part protruding outwards and two ends corresponding to the two ends of the spraying pipe 23 respectively, one end of the fixing piece 25 is fixed to the spraying pipe 23, and the other end of the fixing piece 25 can be tightly abutted to the outer wall 235 of the spraying pipe to elastically deform so as to fix tableware on the spraying pipe 23 and prevent the tableware arranged on or above the spray nozzle 24 from moving or inclining in the cleaning process, when the spraying pipe 23 washes a bottle or a cup arranged above the spraying pipe, the fixing piece 25 corresponding to the spraying pipe 23 can prevent or prevent the bottle or the cup from moving and separating from the spraying pipe 23; one end of the fixing piece 25 is sleeved on the outer wall 235 of the spray pipe, so that the fixing piece 25 can rotate around the axis 230 of the spray pipe and can fix any position of the washed tableware; the fixing piece 25 is detachably mounted on the spraying pipe 23, so that a placing space is conveniently reserved for other tableware.

Example two

As shown in fig. 3 to 4, a rotating member 22 is disposed between the conduit 2 and the shower pipe 23, and the rotating member 22 can rotate relative to the shower pipe 23 and/or the conduit 2, so as to switch the communication between the shower pipe 23 and the conduit 2 by the rotation of the rotating member 22.

In this embodiment, the conduit 2 is connected to the spraying pipe 23 via the rotating member 22, so as to spray and wash the tableware with the washing liquid; the rotating part 22 can rotate relative to the spraying pipe 23 and/or the guide pipe 2 so as to utilize the rotation of the rotating part 22 to perform switching operation on the communication between the spraying pipe 23 and the guide pipe 2, a user can select the number of the used washing spraying pipes 23 according to actual requirements conveniently, water resources are saved, and the spraying pipe 23 can rotate around the axis 220 of the rotating part so as to strengthen washing on different parts of tableware.

In this embodiment, the rotating member 22 includes a groove 221 rotating around the connecting end 232 of the spraying pipe 23 and having an opening corresponding to the outer wall 235 of the spraying pipe, the groove 221 is communicated with the water outlet of the joint 21 to communicate the joint 21 with the spraying pipe 23 when the groove 221 rotates to coincide with the opening 233 of the spraying pipe 23, the cleaning liquid in the joint 21 can reach the spraying pipe 23 through the rotating member 22 and be sprayed out from the nozzle 24, the joint 21 is disconnected from the spraying pipe 23 when the groove 221 rotates to intersect with the opening 233 of the spraying pipe 23, and the cleaning liquid in the conduit 2 is restricted from flowing into the spraying pipe 23, so that the cleaning liquid in the conduit 2 can be selectively sprayed out from any one or more spraying pipes 23 through the rotating member 22.

In this embodiment, the rotating member 22 adjusts the water pressure by the opening degree during the rotation process, so that the user can select a proper water flow according to different dishes to be washed, thereby satisfying the user.

In this embodiment, the rotating member 22 includes a blocking piece 222 rotating around the joint axis 210, the blocking piece 222 is provided with a groove 221 extending along the joint axis 210 and protruding to the radial outer side of the joint 21, the open side of the groove 221 corresponds to the outer wall of the joint 21, and the blocking piece 222 is correspondingly attached to and contacted with the outer wall of the joint to seal the open side of the groove 221; one end of the groove 221 is connected to the joint 21, and the other end is closed by a stopper 223.

In this embodiment, the connection end 232 of the shower pipe 23 is a cylindrical chamber 231 coaxially disposed with the joint 21, an opening 233 is radially disposed along the cylindrical chamber 231, and the blocking piece 222 of the rotating member 22 extends to cover the outer wall 232 of the cylindrical chamber, so as to rotate with the blocking piece 222 to connect or disconnect the joint 21 with the shower pipe 23 through the groove 221.

In this embodiment, the rotating member 22 includes a limiting member 223 fixedly connected to the blocking plate 222, the limiting member 223 is rotatably connected to the cylindrical chamber 231 of the spraying pipe 23, and an outer circumference of the limiting member 223 exceeds an outer contour of the cylindrical chamber 231 to correspond to one end of the sealing groove 221 away from the joint 21.

In this embodiment, the conduit 2 is provided with a plurality of spraying pipes 23, and each spraying pipe 23 is connected to the conduit 2 through a corresponding rotating member 22, so that the tableware respectively placed on the corresponding spraying pipe 23 is sprayed and washed by the detergent.

EXAMPLE III

As shown in fig. 1 to 2, the shelf 1 of the present embodiment is composed of a plurality of elongated ribs 12, and the bottom wall and the side wall of the shelf 1 form a washing chamber 100.

In this embodiment, the conduit 2 extends along the bottom wall of the rack 1, and the shower pipe 23 extends from the bottom wall of the rack 1 to the inside of the washing chamber 100 to reach the inside of the deep-washed dishes for washing, and also provides support for other dishes.

In the embodiment, the shelf 1 is suitable for various dishwashers, and the shelf 1 can be an upper shelf, a lower shelf or a third shelf of the dishwasher; the bottom wall of the rack 1 and the side walls perpendicular to the bottom wall form a washing compartment 100 in which dishes for washing can be placed or positioned in the washing compartment 100 of the rack 1.

In this embodiment, the rack 1 further includes a plurality of fixing teeth 11, and the dishes are supported and fixed by the rack 1 and the fixing teeth 11 during the washing process of the dishes, the fixing teeth 11 are installed on the ribs 12 of the bottom wall of the rack 1 and extend into the washing compartment 100, and the fixing teeth 11 may be fixed to the rack 1 or may rotate with respect to the rack 1.

In this embodiment, the shelf 1 includes a water inlet 3, the water inlet 3 extends towards the shelf 1 to form a spray arm 4, a spray rod 41 capable of rotating relative to the spray arm 4 is arranged on the spray arm 4, the spray rod 41 is installed below the bottom wall of the shelf 1, a spray port 42 is arranged at the upper part of the spray rod 41, and the spray arm 4 introduces washing liquid into the shelf 1 and sprays upwards from the spray port 42 to wash tableware in the washing chamber 100; the guide pipe 2 introduces the washing liquid into the shelf 1, the guide pipe 2 is provided with at least one spray pipe 23, the spray pipe 23 can penetrate into the washing objects, the top end of the spray pipe 23 is provided with a nozzle 24, the washing liquid is sprayed out by a nozzle 2433, deeper tableware such as cups and bottles can be sleeved on the spray pipe 23, the distance between the nozzle 24 and the tableware is reduced, the water impact force is larger, the bottle bottom of the deeper tableware can be intensively washed, and the washing effect is better.

In the embodiment, the conduit 2 is connected to the water inlet device 3 through the connecting pipe 6, the water inlet of the water inlet device 3 is connected with the water inlet system of the dish washing machine, and the conduit and the spray arm 4 share one water inlet system; or, the conduit 2 is directly connected to a water inlet system of the dish washing machine, and the conduit and the spray arm 4 are respectively connected to different liquid inlets.

In this embodiment, a tubular protrusion 201 is disposed at one end of the conduit 2, the tubular protrusion 201 can be inserted and fixed with the connecting pipe 6, at least one "L" -shaped fixing clip 202 is disposed at one side of the conduit 2 facing the shelf 1, and the fixing clip 202 is clipped on the rib 12 on the bottom wall of the shelf 1 to fix the conduit 2; a clamping jaw 51 is arranged on one side of the fixed block 5, the clamping jaw 51 is clamped on the rib 12 on the side wall, and the fixed block 5 is positioned above the connecting pipe 6 so as to limit the up-and-down movement of the connecting pipe 6 and the back-and-forth movement of the guide pipe 2; pipe 2 and fixed block 5 are fixed on shelf 1 through pegging graft, and the workman's of being convenient for installation is dismantled, simultaneously, avoids vibration in the transportation to lead to dropping of spare part, security and stability when having strengthened dish washer transportation.

Example four

As shown in fig. 1 to 2, the shelf 1 described in this embodiment includes a spraying structure, the spraying structure includes a spraying arm 4 extending horizontally from the water inlet 3 to the shelf 1, and the spraying arm 4 is provided with a spraying rod 41 capable of rotating relative to the spraying arm 4.

In this embodiment, one end of the spray arm 4 is connected to the water inlet 3, and the other end is provided with a spray bar 41 capable of rotating relative to the spray arm 4, and the spray bar 41 is provided with a plurality of uniformly distributed openings 233 facing the spray openings 42 in the washing chamber 100, so as to spray the washing liquid to wash the dishes in the washing chamber 100.

In this embodiment, the range swept by the spray bar 41 can cover the washing chamber 100 of the whole shelf 1, and in the washing process, the spray bar 41 rotates under the reaction of water and can be sprayed to any position of the washing chamber 100, so that the washing dead angle is reduced, and the working efficiency and the utilization rate of water resources are improved.

EXAMPLE five

A dishwasher comprises an inner container, wherein the shelf in the embodiment is arranged in the inner container.

Although the present invention has been described with reference to a preferred embodiment, it should be understood that various changes, substitutions and alterations can be made herein without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. A shelf for a dishwasher, characterized in that: the rack comprises a conduit for introducing a washing liquid; the guide pipe is connected with the spray pipe through a rotating part so as to spray and wash the tableware by using the washing liquid; the rotating piece can rotate relative to the spraying pipe and/or the guide pipe so as to utilize the rotation of the rotating piece to carry out switching operation on the communication between the spraying pipe and the guide pipe;

the pipe is provided with a joint, and the axis of the joint is vertical to the extension direction of the pipe; the rotating part comprises a groove which rotates around the connecting end of the spraying pipe and is provided with an opening corresponding to the outer wall of the spraying pipe, the groove is communicated with the water outlet of the joint so as to communicate the joint with the spraying pipe when the groove rotates to be correspondingly superposed with the opening of the spraying pipe, and the joint and the spraying pipe are disconnected when the groove rotates to be intersected with the opening of the spraying pipe;

the spraying pipe comprises a spraying pipe outer wall and a spraying channel, and an opening of the spraying pipe is vertical to the axis of the rotating part;

the connecting end of the spray pipe is a cylindrical cavity which is coaxial with the joint, a water inlet is arranged along the radial direction of the cylindrical cavity, one side of the cylindrical cavity of the spray pipe is rotatably connected with the joint, and the spray pipe can rotate relatively around the axis of the joint; the spraying pipe can also rotate around the axis of the rotating part so as to strengthen the washing of different parts of the tableware.

2. A rack for a dishwasher according to claim 1, wherein: the connecting end of the spray pipe is connected with the outlet of the joint through a rotating part, and the water spraying end is provided with a nozzle for spraying and washing the tableware.

3. A rack for a dishwasher according to claim 2, wherein: the axes of the conduit and the joint extend along the horizontal direction, and the axis of the spray pipe is vertical to the axis of the joint.

4. A rack for a dishwasher according to claim 3, wherein: the rotating piece comprises a blocking piece rotating around a joint axis, a groove which extends along the joint axis and protrudes to the radial outer side of the joint is arranged on the blocking piece, the open side of the groove corresponds to the outer wall of the joint, and the blocking piece is correspondingly attached and contacted with the outer wall of the joint so as to seal the opening of the groove; one end of the groove is communicated with the joint, and the other end of the groove is sealed by the limiting piece.

5. A rack for a dishwasher according to claim 4, wherein: the blocking piece of the rotating piece extends to cover the outer wall of the cylindrical cavity so as to connect or disconnect the joint with the spray pipe through the groove along with the rotation of the blocking piece.

6. A rack for a dishwasher according to claim 1, wherein: the rotating piece comprises a limiting piece fixedly connected to the blocking piece, the limiting piece is rotatably connected with the barrel-shaped cavity of the spraying pipe, and the periphery of the limiting piece exceeds the outer contour of the barrel-shaped cavity so as to correspond to the sealing groove and keep away from one end of the joint.

7. A rack for a dishwasher according to any one of claims 1 to 6, wherein: the guide pipe is provided with a plurality of spray pipes, and each spray pipe is connected with the guide pipe through a corresponding rotating part so as to spray and wash tableware respectively placed on the corresponding spray pipes by using a detergent.

8. A rack for a dishwasher according to claim 7, wherein: the cleaning liquid in the guide pipe can be selectively sprayed out from any one or more spray pipes through the rotating piece.

9. A rack for a dishwasher according to any one of claims 1 to 6, wherein: the spraying pipe is provided with a fixing piece, the fixing piece is a sheet plate with the middle part protruding outwards and two ends corresponding to the two ends of the spraying pipe respectively, one end of the fixing piece is fixed with the spraying pipe, and the other end of the fixing piece can generate elastic deformation and is close to the outer wall of the spraying pipe, so that the tableware can be fixed on the spraying pipe.

10. A rack for a dishwasher according to claim 9, wherein: one end of the fixing piece is sleeved on the outer wall of the spray pipe, so that the fixing piece can rotate around the axis of the spray pipe.

11. A rack for a dishwasher according to claim 10, wherein: the fixing piece is detachably arranged on the spray pipe.

12. A dishwasher comprising a tub, wherein the tub is provided with a shelf as claimed in any one of claims 1 to 11.