CN111329418A

CN111329418A - Spraying structure of water tank dish washing machine

Info

Publication number: CN111329418A
Application number: CN201811548426.5A
Authority: CN
Inventors: 李鹏斌; 杨林; 王大伟; 滕文超; 林晓龙
Original assignee: Qingdao Haier Dishwasher Co Ltd
Current assignee: Qingdao Haier Dishwasher Co Ltd
Priority date: 2018-12-18
Filing date: 2018-12-18
Publication date: 2020-06-26

Abstract

The invention discloses a spraying structure of a water tank dish washing machine, which comprises a first spraying arm and a second spraying arm, wherein the first spraying arm and the second spraying arm are arranged in the dish washing machine and can spray in a rotating manner; a water inlet pipe which is connected with the first spray arm and the second spray arm and provides spray water for the first spray arm and the second spray arm; the spray water sprayed by the first spray arm forms a common washing area; the spray water sprayed by the second spray arm is overlapped with the common washing area to form a reinforced washing area. The invention relates to a spraying structure of a water tank dish washing machine, which is characterized in that an auxiliary spraying arm is additionally arranged in the working range of a main spraying arm by modifying the structure of the existing sprayer, the working range of the auxiliary spraying arm is covered by the main spraying arm, the division of a reinforced washing area is realized in the working range of the auxiliary spraying arm, the washing effect on tableware with stubborn stains is ensured, and the problems of low washing efficiency and unsatisfactory washing effect caused by the fact that the overlapped area of spraying of the two spraying arms is lost when the two spraying arms perform spraying operation are avoided.

Description

Spraying structure of water tank dish washing machine

Technical Field

The invention belongs to the technical field of household appliances, and particularly relates to a spraying structure of a water tank dish washing machine.

Background

With the improvement of living standard, the requirements of people on living quality are higher and higher, so that the requirements on the quality, the performance, the humanization of use, the intellectualization of operation and the like of living goods are higher and higher. The dish washing machine as a convenient living article also comes into the life of people. In principle, a dishwasher is a device for washing tableware by spraying high-pressure washing water through a nozzle, and generally comprises a dishwasher liner forming a washing chamber, wherein a tableware inlet is arranged in front of the liner, a door body is arranged at the tableware inlet, and a tableware shelf, a spraying device and the like are arranged in the washing chamber. In order to achieve a relatively ideal cleaning effect, the existing spraying device installed in the dish washing machine is generally a rotatable spraying arm, a plurality of spraying holes are formed in the spraying arm, the spraying arm is rotatably connected to the inner container body and communicated with the water path, and water in the water path is sprayed out through the spraying holes in the spraying arm to clean tableware placed in the inner container. On a dish washing machine, a sprayer is one of key parts of the dish washing machine, which directly influences whether tableware can be washed clean or not, the working principle of the existing dish washing machine sprayer is that a spray arm does circular rotation motion around an axis, the spray arm mechanism is single, the spray scanning area is limited, and the washing efficiency and the washing area are influenced.

Chinese patent application No. CN201510141696.4 discloses a spraying system for dish washer with partition washing function and dish washer. A spray system for a dishwasher having a zone wash function, comprising: at least one quick washing area and two general washing areas positioned outside the quick washing area; each general washing area is provided with a sprayer, the general washing area is covered by water flow sprayed by the corresponding sprayer, and a quick washing area is formed by an area covered by overlapping water flows sprayed by the sprayers of at least two general washing areas. The utility model provides a dish washer, includes outer box, install the inner bag in the outer box, install in the inner bag have a subregion washing function spray system for dish washer.

Chinese patent with application number CN201611207782.1 discloses a dish washer sprays arm connection structure and dish washer, including spraying the arm and fixing the base on the inner bag, the through-hole that runs through about spraying the arm has still including being used for connecting the connecting seat that sprays arm and base, the connecting seat includes top cap, switching portion and the fixed part that top-down set up, the top cap covers the top of through-hole, the fixed part passes the base of through-hole and below can be dismantled and be connected, switching portion inserts in the through-hole, spray the arm around switching portion rotates, the connecting seat has the route with the water route and spray the arm intercommunication.

Although the technical scheme that the cross overlapping spraying is realized by arranging the two rotary spraying arms and then the tableware is cleaned is provided in the prior art, the two prior arts have the problems that the overlapping part area is small, the cleaning effect of the overlapping area is improved only by a method of additionally arranging the spraying arms, and the flexibility is poor.

Therefore, it is necessary to improve the defects of the prior art, and to provide a spraying structure of a sink dish washer, which is improved based on the structure of the existing sprayer, and an auxiliary spraying arm is additionally arranged in the working range of the main spraying arm, and the working range of the auxiliary spraying arm is covered by the main spraying arm, so that the division of the enhanced washing area is realized in the working range of the auxiliary spraying arm, thereby ensuring the washing effect on the tableware with stubborn stains, and simultaneously avoiding the problems of low washing efficiency and unsatisfactory washing effect caused by the lack of the overlapped area of the spraying of the two spraying arms when the two spraying arms spray.

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

Disclosure of Invention

The technical problem underlying the present invention is to overcome the drawbacks of the prior art and to provide a spraying structure of a sink dishwasher that overcomes or at least partially solves the above mentioned problems.

In order to solve the technical problems, the invention adopts the technical scheme that: a spraying structure of a sink dish washer comprises

The first spraying arm and the second spraying arm are arranged at the bottom of the water tank and can spray in a rotating mode;

a water inlet pipe which is connected with the first spray arm and the second spray arm and provides spray water for the first spray arm and the second spray arm;

the spray water sprayed by the first spray arm forms a common washing area;

the spray water sprayed by the second spray arm is overlapped with the common washing area to form a reinforced washing area.

Further, also includes

The two second spraying arms are arranged at the bottom of the water tank;

in one embodiment, the first spray arm and the two second spray arms form a triangular spray positional relationship; the position relation of the main spray arm and the auxiliary spray arm is set to be triangular, so that the effective spray working range is maximized, and the existence of cleaning dead angles is avoided.

Wherein, the

The effective working range of the first spray arm is larger than that of the second spray arm; on the basis of the principle technology of an absorption and digestion original sprayer, the auxiliary spraying arm is additionally arranged in the working range of the main spraying arm by modifying the structure of the existing sprayer on the basis of the structure, the working range of the auxiliary spraying arm is covered by the main spraying arm, the division of a reinforced washing area is realized in the working range of the auxiliary spraying arm, and the cleaning effect of tableware with stubborn stains is ensured;

in one embodiment, the first spray arm is provided with a first spray hole for spraying the spray water;

the second spraying arm is provided with a second spraying hole for spraying water;

in one embodiment, the spray water sprayed by the first spray holes and the second spray holes realizes the cleaning of the objects to be cleaned in the dishwasher.

Furthermore, the spray water enters the first spray arm and the second spray arm from the water inlet pipe, and is sprayed out along the first spray hole and the second spray hole, so that power is provided for the rotation of the first spray arm and the second spray arm.

In addition, also includes

The spraying seat is arranged in the dishwasher and used for mounting a second spraying arm;

the second spray arm uses the spray seat as a center to realize rotary spraying.

Further, the second spray arm comprises

A first housing and a second housing;

and a spraying chamber formed by buckling the first shell and the second shell.

Further, the

The second spraying hole is arranged on the first shell;

the second spraying holes and the rotation center of the second spraying arm form a certain angle;

in one embodiment, the spray water is sprayed from a second spray hole forming an angle with the rotation center of the second spray arm to provide power for the rotation of the second spray arm;

in one embodiment, the second housing is provided with a rotating shaft inserted into the shower base.

Still further, the

The second spray arm is detachably connected with the spray seat;

in one embodiment, the second spray arm is provided with a catch;

the clamping jaw is matched with the spraying seat to realize the connection and fixation of the second spraying arm;

in one embodiment, after the second spray arm is detached from the spray base, a chamber in the spray base for providing spray water to the second spray arm is closed; the working range of the main spray arm completely comprises the working range of the auxiliary spray arm, so that the working range of the enhanced washing area is ensured, and the problems of low cleaning efficiency and unsatisfactory cleaning effect caused by the fact that two spray arms are deficient in spraying overlapping areas when the two spray arms spray are used for operation are solved.

At the same time, the

The rotation of the first spray arm and the second spray arm is differential rotation;

in one embodiment, the ratio of the rotational speeds of the first spray arm and the second spray arm is between 1:3 and 1: 1.5.

After adopting the technical scheme, compared with the prior art, the invention has the following beneficial effects:

1. on the basis of the principle technology of an absorption and digestion original sprayer, the auxiliary spraying arm is additionally arranged in the working range of the main spraying arm by modifying the structure of the existing sprayer on the basis of the structure, the working range of the auxiliary spraying arm is covered by the main spraying arm, the division of a reinforced washing area is realized in the working range of the auxiliary spraying arm, and the cleaning effect of tableware with stubborn stains is ensured;

2. the working range of the main spray arm completely comprises the working range of the auxiliary spray arm, so that the working range of the enhanced washing area is ensured, and the problems of low washing efficiency and unsatisfactory washing effect caused by the lack of the spraying overlapping area of the two spray arms during the spraying operation of the two spray arms are solved;

3. the position relation of the main spray arm and the auxiliary spray arm is set to be triangular, so that the effective spray working range is maximized, and the existence of cleaning dead angles is avoided.

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, are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the invention without limiting the invention to the right. 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 first schematic view of the spray configuration of the dishwasher of the present invention;

FIG. 2 is a second schematic view of the spray configuration of the dishwasher of the present invention;

FIG. 3 is a first schematic view of a second spray arm of the present invention;

FIG. 4 is a second schematic view of a second spray arm of the present invention;

fig. 5 is a schematic view of the spray zone of the present invention.

In the figure: 1. a first spray arm; 101. a first spray hole; 102. a spray seat; 2. a second spray arm; 201. a second spray hole; 202. a first housing; 203. a second housing; 204. a rotating shaft; 205. a claw; 3. a water inlet pipe; 4. a normal washing area; 5. a reinforced washing area; 6. a water tank.

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 to illustrate it by a person skilled in the art with 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.

With the improvement of living standard, the requirements of people on living quality are higher and higher, so that the requirements on the quality, the performance, the humanization of use, the intellectualization of operation and the like of living goods are higher and higher. The dish washing machine as a convenient living article also comes into the life of people. In principle, a dishwasher is a device for washing tableware by spraying high-pressure washing water through a nozzle, and generally comprises a dishwasher liner forming a washing chamber, wherein a tableware inlet is arranged in front of the liner, a door body is arranged at the tableware inlet, and a tableware shelf, a spraying device and the like are arranged in the washing chamber. In order to achieve a relatively ideal cleaning effect, the existing spraying device installed in the dish washing machine is generally a rotatable spraying arm, a plurality of spraying holes are formed in the spraying arm, the spraying arm is rotatably connected to the inner container body and communicated with the water path, and water in the water path is sprayed out through the spraying holes in the spraying arm to clean tableware placed in the inner container. On a dish washing machine, a sprayer is one of key parts of the dish washing machine and directly influences whether tableware can be washed clean, the working principle of the sprayer of the existing dish washing machine is that a spray arm does circular rotation motion around an axis, the spray arm mechanism is single, the spray scanning area is limited, and therefore the washing efficiency and the washing area are influenced.

Fig. 1 is a first schematic view of a spraying structure of a dishwasher according to the present invention, which is mainly shown from the perspective of an axial view, and it can be seen from fig. 1 that a first spraying arm 1 as a main spraying arm is disposed inside the dishwasher, the position of the spraying device can be a water tank 6 or the side wall of a dish-washing machine, a second spraying arm 2 serving as an auxiliary spraying arm of a main spraying arm and a first spraying arm 1 are arranged in the same plane, the first spraying arm 1 sprays by rotation, the second spraying arm 2 also sprays by rotation, the reinforced washing area 5 is distributed around the periphery of the common washing area 4, so that the tableware can be washed more thoroughly, a user can place the tableware with stubborn stains around the shelf, and the dishware which is easy to wash is placed in the center of the shelf, so that stubborn stains are exposed in the reinforced washing area 5, and the washing efficiency is improved.

Fig. 2 is a second schematic view of the spraying structure of the dishwasher of the present invention, which is mainly shown from the top view, and it can be seen from fig. 2 that the first spraying arm 1 and the second spraying arm 2 are provided with a first spraying hole 101 and a second spraying hole 201, the first spraying arm 1 can spray rotatably, the second spraying arm 2 can also spray rotatably, and the overlapping area of the first spraying arm 1 and the second spraying arm 2 is a washing enhancement area 5, so as to clean the stubborn stains of the dishware.

Fig. 3 is a first schematic view of the second spray arm 2 according to the present invention, the second spray arm 2 is mainly shown from the direction of the axonometric view, and it can be seen from fig. 3 that the second spray arm 2 is arranged in a triangular structure, and mainly includes a first housing 202 and a second housing 203, the first housing 202 is provided with a second spray hole 201, the second spray hole 201 is arranged at a certain angle with the rotation center of the second spray arm 2, and spray water provides power for the rotation of the second spray arm 2 when being sprayed out from the second spray hole 201.

Fig. 4 is a second schematic view of the second spray arm 2 of the present invention, which mainly shows the first spray arm 1 and the second spray arm 2 from a local part, and as can be seen from fig. 4, the second spray arm 2 is provided with a rotating shaft 204, the outer side is provided with a claw 205, the dishwasher is provided with a spray seat 102 inside, the rotating shaft 204 of the second spray arm 2 is inserted into the spray seat 102, the spray seat 102 is provided with a switch with elasticity, the rotating shaft 204 presses the switch in to realize the conduction of the spray chamber, and the claw 205 realizes the relative fixation of the second spray arm 2 and also forms a limitation of a slide way, so that the second spray arm 2 can rotate around the spray seat 102.

Fig. 5 is a schematic diagram of a spraying region of the present invention, which mainly shows the spraying regions of the first spraying arm 1 and the second spraying arm 2 in a schematic diagram manner, and it can be seen from fig. 5 that the distribution of the normal washing region 4 and the enhanced washing region 5 is provided, and for better clarity, the enhanced washing region 5 is simplified in fig. 5 and is an instantaneous view, but it can also be seen that the enhanced washing region 5 is completely contained in the normal washing region 4, and there is no problem of low cleaning efficiency and unsatisfactory cleaning effect caused by the missing of the overlapping region of spraying of the two spraying arms.

On the basis of the principle technology of an absorption and digestion original sprayer, the auxiliary spray arm is additionally arranged in the working range of the main spray arm by modifying the structure of the existing sprayer on the basis of the structure, the working range of the auxiliary spray arm is covered by the main spray arm, the division of a reinforced washing area 5 is realized in the working range of the auxiliary spray arm, and the cleaning effect of tableware with stubborn stains is ensured; the working range of the main spray arm completely comprises the working range of the auxiliary spray arm, so that the working range of the enhanced washing area 5 is ensured, and the problems of low washing efficiency and unsatisfactory washing effect caused by the lack of the spraying overlapping area of the two spray arms during the spraying operation of the two spray arms are solved; the position relation of the main spray arm and the auxiliary spray arm is set to be triangular, so that the effective spray working range is maximized, the existence of a cleaning dead angle is avoided, and the method is applied to a specific embodiment as follows.

Example one

As shown in fig. 1 to 5, the spraying structure of the dishwasher according to the present embodiment includes a first spraying arm 1 and a second spraying arm 2 which are disposed inside the dishwasher and can spray water in a rotating manner; a water inlet pipe 3 which is connected with the first spray arm 1 and the second spray arm 2 and provides spray water for the first spray arm 1 and the second spray arm 2; the spray water sprayed by the first spray arm 1 forms a common washing area 4; the spray water sprayed by the second spray arm 2 is overlapped with the common washing area 4 to form a reinforced washing area 5.

Wherein, fig. 1 is a first schematic view of the spraying structure of the dishwasher of the present invention, the spraying structure is mainly shown from the perspective of an axial view, and it can be seen from fig. 1 that a first spraying arm 1 as a main spraying arm is arranged in the interior of the dishwasher, the position of the spraying device can be a water tank 6 or the side wall of a dish-washing machine, a second spraying arm 2 serving as an auxiliary spraying arm of a main spraying arm and a first spraying arm 1 are arranged in the same plane, the first spraying arm 1 sprays by rotation, the second spraying arm 2 also sprays by rotation, the reinforced washing area 5 is distributed around the periphery of the common washing area 4, so that the tableware can be washed more thoroughly, a user can place the tableware with stubborn stains around the shelf, and the dishware which is easy to wash is placed in the center of the shelf, so that stubborn stains are exposed in the reinforced washing area 5, and the washing efficiency is improved.

Example two

As shown in fig. 1 to 5, the present embodiment is further limited to the first embodiment, in the spraying structure of the dishwasher of the present embodiment, the first spraying arm 1 is provided with a first spraying hole 101 for spraying the spraying water, the second spraying arm 2 is provided with a second spraying hole 201 for spraying the spraying water, and the spraying water sprayed from the first spraying hole 101 and the second spraying hole 201 realizes the cleaning of the object to be cleaned inside the dishwasher. Furthermore, the spray water enters the first spray arm 1 and the second spray arm 2 from the water inlet pipe 3, and is sprayed out along the first spray hole 101 and the second spray hole 201, so as to provide power for the rotation of the first spray arm 1 and the second spray arm 2.

On the basis of the principle technology of the original absorption and digestion sprayer, the auxiliary spray arm is additionally arranged in the working range of the main spray arm by modifying the structure of the existing sprayer on the basis of the structure of the existing sprayer, the working range of the auxiliary spray arm is covered by the main spray arm, the division of the enhanced washing area 5 is realized in the working range of the auxiliary spray arm, and the cleaning effect on tableware with stubborn stains is ensured.

EXAMPLE III

As shown in fig. 1 to 5, this embodiment is a further limitation of the first embodiment or the second embodiment, and the effective working range of the first spray arm 1 of the spraying structure of the dishwasher is larger than that of the second spray arm 2; on the basis of the principle technology of the original absorption and digestion sprayer, the auxiliary spray arm is additionally arranged in the working range of the main spray arm by modifying the structure of the existing sprayer on the basis of the structure of the existing sprayer, the working range of the auxiliary spray arm is covered by the main spray arm, the division of the enhanced washing area 5 is realized in the working range of the auxiliary spray arm, and the cleaning effect on tableware with stubborn stains is ensured.

The working range of the main spray arm completely comprises the working range of the auxiliary spray arm, so that the working range of the enhanced washing area 5 is ensured, and the problems of low washing efficiency and unsatisfactory washing effect caused by the fact that two spray arms are deficient in spraying overlapping areas when the two spray arms perform spraying operation are solved.

Fig. 5 is a schematic diagram of a spraying region of the present invention, and mainly shows the spraying regions of the first spraying arm 1 and the second spraying arm 2 in a schematic diagram manner, and it can be seen from fig. 5 that the distribution of the normal washing region 4 and the enhanced washing region 5 is provided, for the sake of clearer understanding, the enhanced washing region 5 is simplified in fig. 5 and is an instantaneous view, but it can still be seen that the enhanced washing region 5 is completely contained in the normal washing region 4, and there is no problem of low cleaning efficiency and unsatisfactory cleaning effect caused by the missing of the overlapping spraying region of the two spraying arms.

Example four

As shown in fig. 1 to 5, the present embodiment is further defined by any one of the first to third embodiments, and the spraying structure of the dishwasher of the present embodiment further includes a spraying seat 102 disposed inside the dishwasher and used for mounting the second spraying arm 2; the second spray arm 2 realizes rotary spraying by taking the spray seat 102 as a center. Further, the second spray arm 2 includes a first housing 202 and a second housing 203; and a spray chamber formed by the first housing 202 and the second housing 203 being fastened together. Furthermore, the second spraying holes 201 are disposed on the first shell 202; the second spraying holes 201 form a certain angle with the rotation center of the second spraying arm 2; the spray water is sprayed out from a second spray hole 201 which forms a certain angle with the rotation center of the second spray arm 2 to provide power for the rotation of the second spray arm 2; the second housing 203 is provided with a rotary shaft 204 inserted into the shower base 102.

Fig. 3 is a first schematic view of the second spray arm 2 of the present invention, the second spray arm 2 is mainly shown from the direction of the axonometric view, and it can be seen from fig. 3 that the second spray arm 2 is arranged in a triangular structure, and mainly includes a first housing 202 and a second housing 203, the first housing 202 is provided with a second spray hole 201, the second spray hole 201 is arranged at a certain angle with the rotation center of the second spray arm 2, and spray water provides power for the rotation of the second spray arm 2 when being sprayed out from the second spray hole 201.

According to the invention, the position relation between the main spray arm and the auxiliary spray arm is set to be triangular, so that the effective spray working range is maximized, and the cleaning dead angle is avoided.

EXAMPLE five

As shown in fig. 1 to 5, this embodiment is a further limitation of any one of the first to fourth embodiments, in which the second spray arm 2 is detachably connected to the spray seat 102 of the spray structure of the dishwasher of this embodiment; the second spray arm 2 is provided with a claw 205; the claw 205 is matched with the spray seat 102 to realize the connection and fixation of the second spray arm 2; after the second spray arm 2 is detached from the spray base 102, a chamber for providing spray water for the second spray arm 2 in the spray base 102 is closed; the working range of the main spray arm completely comprises the working range of the auxiliary spray arm, so that the working range of the enhanced washing area 5 is ensured, and the problems of low washing efficiency and unsatisfactory washing effect caused by the fact that two spray arms are deficient in spraying overlapping areas when the two spray arms perform spraying operation are solved.

Fig. 4 is a second schematic view of the second spray arm 2 of the present invention, and the first spray arm 1 and the second spray arm 2 are mainly shown from a local part, and as can be seen from fig. 4, the second spray arm 2 is provided with a rotating shaft 204, the outer side is provided with a claw 205, the inside of the dishwasher is provided with a spray seat 102, the rotating shaft 204 of the second spray arm 2 is inserted into the spray seat 102, the spray seat 102 is internally provided with a switch with elasticity, the rotating shaft 204 presses the switch in to realize the conduction of the spray chamber, and the claw 205 realizes the relative fixation of the second spray arm 2 and also forms the limitation of a slide way, so that the second spray arm 2 can rotate around the spray seat 102.

EXAMPLE six

As shown in fig. 1 to 5, the present embodiment is further limited to any one of the first to fourth embodiments, in which the rotation of the first spray arm 1 and the second spray arm 2 is differential rotation; the rotation speed ratio of the first spray arm 1 to the second spray arm 2 is between 1:3 and 1:1.5, and the position relation of the main spray arm and the auxiliary spray arm is set to be triangular, so that the effective spray working range is maximized, and the existence of cleaning dead angles is avoided.

EXAMPLE seven

The dishwasher of the present embodiment includes the spraying structure of the dishwasher of any one of the first to sixth embodiments.

Example eight

This embodiment is a further limitation of the seventh embodiment, and the dishwasher of this embodiment is a sink 6 dishwasher.

Example nine

In this embodiment, as a further limitation of the eighth embodiment, the first spray arm 1 and the second spray arm 2 are rotatably disposed at the bottom of the water tank 6.

Example ten

In this embodiment, as a further limitation of the eighth embodiment or the ninth embodiment, the two second spray arms 2 are disposed at the bottom of the water tank 6.

EXAMPLE eleven

This embodiment is further defined by any one of the seventh to the tenth embodiments, in which the first spray arm 1 and the two second spray arms 2 form a triangular spray position relationship; the position relation of the main spray arm and the auxiliary spray arm is set to be triangular, so that the effective spray working range is maximized, and the existence of cleaning dead angles is avoided.

In the description provided herein, numerous specific details are set forth. It is understood, however, that embodiments of the invention may be practiced without these specific details. In some instances, well-known methods, structures and techniques have not been shown in detail in order not to obscure an understanding of this description.

Similarly, it should be appreciated that in the foregoing description of exemplary embodiments of the invention, various features of the invention are sometimes grouped together in a single embodiment, figure, or description thereof for the purpose of streamlining the disclosure and aiding in the understanding of one or more of the various inventive aspects. However, the disclosed method should not be interpreted as reflecting an intention that: that the invention as claimed requires more features than are expressly recited in each claim. Rather, as the following claims reflect, inventive aspects lie in less than all features of a single foregoing disclosed embodiment. Thus, the claims following the detailed description are hereby expressly incorporated into this detailed description, with each claim standing on its own as a separate embodiment of this invention.

All of the features disclosed in this specification (including any accompanying claims, abstract and drawings), and all of the processes or elements of any method or apparatus so disclosed, may be combined in any combination, except combinations where at least some of such features and/or processes or elements are mutually exclusive. Each feature disclosed in this specification (including any accompanying claims, abstract and drawings) may be replaced by alternative features serving the same, equivalent or similar purpose, unless expressly stated otherwise.

Furthermore, those skilled in the art will appreciate that while some embodiments described herein include some features included in other embodiments, rather than other features, combinations of features of different embodiments are meant to be within the scope of the invention and form different embodiments. For example, in the following claims, any of the claimed embodiments may be used in any combination.

It should be noted that the above-mentioned embodiments illustrate rather than limit the invention, and that those skilled in the art will be able to design alternative embodiments without departing from the scope of the appended claims. In the claims, any reference signs placed between parentheses shall not be construed as limiting the claim. The word "comprising" does not exclude the presence of elements or steps not listed in a claim. The word "a" or "an" preceding an element does not exclude the presence of a plurality of such elements. In the unit claims enumerating several means, several of these means may be embodied by one and the same item of hardware. The usage of the words first, second and third, etcetera do not indicate any ordering. These words may be interpreted as names.

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. The utility model provides a basin dish washer spray structure which characterized in that: comprises that

A first spray arm (1) and a second spray arm (2) which are arranged at the bottom of the water tank (6) and can spray in a rotating manner;

a water inlet pipe (3) which is connected with the first spray arm (1) and the second spray arm (2) and provides spray water for the first spray arm and the second spray arm;

the spray water sprayed by the first spray arm (1) forms a common washing area (4);

the spray water sprayed by the second spray arm (2) is overlapped with the common washing area (4) to form a reinforced washing area (5).

2. The spray structure of a sink dishwasher according to claim 1, wherein: also comprises

The two second spraying arms (2) are arranged at the bottom of the water tank (6);

preferably, the first spray arm (1) and the two second spray arms (2) form a triangular spray position relationship.

3. The spray structure of a sink dishwasher according to claim 1 or 2, wherein: the above-mentioned

The effective working range of the first spray arm (1) is larger than that of the second spray arm (2);

preferably, the first spray arm (1) is provided with a first spray hole (101) for spraying spray water;

the second spraying arm (2) is provided with a second spraying hole (201) for spraying water;

more preferably, the spray water sprayed from the first spray holes (101) and the second spray holes (201) realizes the cleaning of the objects to be cleaned in the dishwasher.

4. The spray structure of a sink dishwasher according to claim 3, wherein: the spray water enters the first spray arm (1) and the second spray arm (2) from the water inlet pipe (3), and is sprayed out along the first spray hole (101) and the second spray hole (201) so as to provide power for the rotation of the first spray arm (1) and the second spray arm (2).

5. The spray structure of a sink dishwasher according to any one of claims 1 to 4, wherein: also comprises

A spray seat (102) which is arranged in the dishwasher and is used for installing a second spray arm (2);

the second spray arm (2) realizes rotary spraying by taking the spray seat (102) as a center.

6. The spray structure of a sink dishwasher according to claim 5, wherein: the second spray arm (2) comprises

A first housing (202) and a second housing (203);

and a spraying chamber formed by buckling the first shell (202) and the second shell (203).

7. The spray structure of a sink dishwasher according to claim 6, wherein: the above-mentioned

The second spraying hole (201) is arranged on the first shell (202);

the second spraying hole (201) and the rotation center of the second spraying arm (2) form a certain angle;

preferably, the spray water is sprayed out from a second spray hole (201) forming a certain angle with the rotation center of the second spray arm (2) to provide power for the rotation of the second spray arm (2);

more preferably, the second housing (203) is provided with a rotating shaft (204) inserted into the shower base (102).

8. The spray structure of a sink dishwasher according to claim 7, wherein: the above-mentioned

The second spray arm (2) is detachably connected with the spray seat (102);

preferably, the second spray arm (2) is provided with a catch (205);

the claw (205) is matched with the spraying seat (102) to realize the connection and fixation of the second spraying arm (2);

more preferably, after the second spray arm (2) is detached from the spray base (102), a chamber in the spray base (102) for supplying the second spray arm (2) with spray water is closed.

9. The spray structure of a sink dishwasher according to any one of claims 1 to 8, wherein: the rotation of the first spray arm (1) and the second spray arm (2) is differential rotation.

10. The spray structure of a sink dishwasher of claim 9, wherein: the rotation speed ratio of the first spray arm (1) to the second spray arm (2) is between 1:3 and 1: 1.5.