阅读说明：本技术 一种洗碗机喷淋装置及洗碗机 (Dish washer spray set and dish washer ) 是由 张永奎 孙立文 杨林 于 2018-07-04 设计创作，主要内容包括：本发明涉及家用电器领域,公开了一种洗碗机喷淋装置及洗碗机,该喷淋装置包括转动安装于洗碗机内胆侧壁且设有至少两个喷淋通道的喷淋组件,还包括用于切换所述喷淋通道使一所述喷淋通道与洗碗机的喷淋管路连通的切换组件；每个所述喷淋通道喷淋形成的喷淋轨迹不同。本发明通过设置喷淋轨迹不同的喷淋通道,并通过切换组件使其中一个喷淋通道与洗碗机的喷淋管路连通,在洗碗机的喷淋过程中,能够通过切换组件切换喷淋通道,以便于通过能够形成不同喷淋轨迹的喷淋通道进行喷淋,实现对洗碗机内胆中各个角落的喷淋,结构简单,而且能够避免喷淋死角,提高清洗效果。本发明还提供了一种洗碗机,包括上述洗碗机喷淋装置。(The invention relates to the field of household appliances and discloses a spraying device of a dish washing machine and the dish washing machine, wherein the spraying device comprises a spraying component which is rotatably arranged on the side wall of an inner container of the dish washing machine and is provided with at least two spraying channels, and a switching component which is used for switching the spraying channels to enable one spraying channel to be communicated with a spraying pipeline of the dish washing machine; and the spraying tracks formed by spraying of each spraying channel are different. According to the invention, the spraying channels with different spraying tracks are arranged, one of the spraying channels is communicated with the spraying pipeline of the dish washing machine through the switching component, and the spraying channels can be switched through the switching component in the spraying process of the dish washing machine, so that the spraying channels with different spraying tracks can be formed for spraying, the spraying on each corner in the inner container of the dish washing machine is realized, the structure is simple, the spraying dead angle can be avoided, and the cleaning effect is improved. The invention also provides a dishwasher, which comprises the dishwasher spraying device.)

1. A spraying device of a dishwasher comprises a spraying component (1) which is rotatably arranged on the side wall of an inner container of the dishwasher and is provided with at least two spraying channels (10), and is characterized by also comprising a switching component which is used for switching the spraying channels (10) to enable one spraying channel (10) to be communicated with a spraying pipeline of the dishwasher; the spraying tracks formed by spraying of each spraying channel (10) are different.

2. A dishwasher spray device according to claim 1, characterized in that the spray assembly (1) comprises a spray arm (11) provided with at least two of said spray channels (10), said spray arm (11) being provided with a first water inlet (15) communicating with the corresponding spray channel (10).

3. A dishwasher spray device according to claim 2, wherein the switch assembly comprises a baffle and a drive unit for driving the baffle to cause one of the first water inlets (15) to communicate with the spray line.

4. A dishwasher spray device according to claim 2, characterized in that the spray arm (11) is provided with two of said spray channels (10), wherein one of said first water inlet openings (15) is arranged around the other first water inlet opening (15).

5. A dishwasher spray unit according to claim 2, further comprising a first rotatable member (2) rotatably connected to said spray assembly (1), said first rotatable member (2) being provided with at least two second water inlets (221), and water outlets (211) arranged in correspondence with each of said second water inlets (221) and communicating with each other, each of said water outlets (211) being respectively in communication with and facing one of said first water inlets (15).

6. A dishwasher spray device according to claim 5, wherein the spray assembly (1) further comprises a second rotary member (12) connecting the first rotary member (2) and the spray arm (11), the second rotary member (12) being snap-fitted to both the first rotary member (2) and the spray arm (11) and being rotatable relative to the first rotary member (2).

7. The dishwasher spray device according to claim 4, characterized in that the spray arm (11) comprises a first spray arm and a second spray arm, each provided with the spray channel (10) and arranged in an S-shape, each provided with at least one spray hole (17) communicating with the corresponding spray channel (10) and used for driving the spray assembly (1) to rotate.

8. The dishwasher spray arrangement according to claim 7, characterized in that the central axis of the spray holes (17) intersects the vertical and the direction of rotation of the spray assembly (1) when spraying through the spray channels (10) on the first and second spray arms, respectively, and the spray holes (17) is opposite.

9. The dishwasher spray arrangement according to claim 7, characterized in that the first and second spray arms each comprise two spray portions (18) arranged in an S-shape, the bending directions of adjacent two spray portions (18) on the spray arm (11) being opposite.

10. A dishwasher, comprising a dishwasher spray arrangement as claimed in any one of claims 1 to 9.

Technical Field

The invention relates to the field of household appliances, in particular to a spraying device of a dish washing machine and the dish washing machine.

Background

The dish washer is mainly used for spraying cold water or hot water onto the dishes to remove attachments on the surfaces of the dishes and to wash the dishes, and a spraying device is generally used for spraying the cold water or the hot water onto the surfaces of the dishes. The existing spraying device generally adopts a single spraying arm mode to carry out spraying cleaning, although the structure is simpler, the spraying effect is general, and spraying dead angles can occur, so that the problems of incomplete cleaning and poor cleaning effect are caused; the spray arm with the telescopic structure is adopted for spraying and cleaning, but the structure is complex, the processing cost is high, the spray arm can be repeatedly stretched, the service life of the spray arm is shortened, the telescopic spray arm can be contacted with the inner wall surface of the inner container of the dish-washing machine, friction is generated, and the service lives of the spray arm and the inner container are shortened.

Therefore, a spraying device of a dishwasher and a dishwasher are needed to solve the problems of poor cleaning effect caused by the existence of spraying dead angles when a single spraying arm is adopted and complex structure and high processing cost when a telescopic spraying arm is adopted.

Disclosure of Invention

The invention aims to provide a spraying device of a dish washing machine and the dish washing machine, which have the advantages of simple structure, low processing cost and good cleaning effect.

In order to achieve the purpose, the invention adopts the following technical scheme:

a spraying device of a dish washing machine comprises a spraying component which is rotatably arranged on the side wall of an inner container of the dish washing machine and is provided with at least two spraying channels, and a switching component which is used for switching the spraying channels to enable one spraying channel to be communicated with a spraying pipeline of the dish washing machine; and the spraying tracks formed by spraying of each spraying channel are different.

Furthermore, the spraying assembly comprises a spraying arm provided with at least two spraying channels, and the spraying arm is provided with a first water inlet communicated with the corresponding spraying channels.

Furthermore, the switching assembly comprises a baffle plate and a driving unit for driving the baffle plate to act so as to enable one of the first water inlets to be communicated with the spraying pipeline.

Further, when the spraying arm is provided with two spraying channels, one of the first water inlets surrounds the other first water inlet.

The spraying assembly is provided with a first rotating part which is rotatably connected with the spraying assembly, the first rotating part is provided with at least two second water inlets and water outlets which are correspondingly arranged with the second water inlets and are mutually communicated, and each water outlet is respectively communicated with one of the first water inlets and is just opposite to the first water inlet.

Further, the spraying assembly further comprises a second rotating piece connected with the first rotating piece and the spraying arm, wherein the second rotating piece is connected with the first rotating piece and the spraying arm in a clamped mode and can rotate relative to the first rotating piece.

Further, the spray arm includes all be equipped with spray passage and be the first spray arm and the second spray arm of S-shaped setting, first spray arm, the second spray arm all be equipped with at least one with corresponding spray passage intercommunication just is used for driving spray assembly pivoted sprays the hole.

Further, the central axis of the spraying hole is intersected with the vertical perpendicular line and respectively passes through the spraying channel on the first spraying arm and the second spraying arm, and the rotating directions of the spraying components are opposite when the spraying hole sprays.

Furthermore, the first spray arm and the second spray arm respectively comprise two spray parts which are arranged in an S shape, and the bending directions of the two adjacent spray parts on the spray arms are opposite.

In order to achieve the aim, the invention also provides a dishwasher which comprises the spraying device of the dishwasher.

The invention has the beneficial effects that: according to the invention, the spraying channels with different spraying tracks are arranged, one of the spraying channels is communicated with the spraying pipeline of the dish washing machine through the switching component, and the spraying channels can be switched through the switching component in the spraying process of the dish washing machine, so that the spraying channels with different spraying tracks can be formed for spraying, the spraying on each corner in the inner container of the dish washing machine is realized, the structure is simple, the spraying dead angle can be avoided, and the cleaning effect is improved.

According to the invention, through the structural limitation of the first spray arm and the second spray arm and the limitation of the spray holes, the spray arms can be pushed to rotate by using the reaction force of flowing water impact when water is sprayed through the spray holes, and the rotation directions of the spray arms are opposite to form different spray tracks when the first spray arm and the second spray arm are adopted for spraying, so that the spray area is enlarged, the water flow can impact each surface of tableware, the spray effect is improved, and the problem of spray dead angles is solved.

Drawings

FIG. 1 is a schematic view of the spray system of a dishwasher according to the invention;

FIG. 2 is a first schematic structural view of the spray arm of the present invention;

FIG. 3 is an enlarged partial schematic view at I of FIG. 2;

FIG. 4 is a cross-sectional view of a dishwasher spray device according to the invention;

FIG. 5 is a first schematic structural diagram of the first rotating member according to the present invention;

FIG. 6 is a second schematic structural view of the first rotating member according to the present invention;

FIG. 7 is a cross-sectional view of the first rotating member of the present invention;

FIG. 8 is a schematic view of the second rotatable member of the present invention;

FIG. 9 is an enlarged partial schematic view at II of FIG. 4;

fig. 10 is a second schematic structural view of the spray arm of the present invention.

In the figure:

1. a spray assembly; 10. a spray channel; 11. a spray arm; 12. a second rotating member; 121. a first rotating section; 1211. perforating holes; 1212. a first annular groove; 1213. a first groove; 1214. a second groove; 122. a first clamping part; 1221. a second protrusion;

13. a first circular ring; 14. a second circular ring; 141. a first protrusion; 15. a first water inlet; 151. a sector hole; 16. a second annular groove; 161. a third groove; 17. spraying holes; 18. a spraying part;

2. a first rotating member; 21. a second rotating part; 211. a water outlet; 22. a second clamping part; 221. a second water inlet; 23. a third annular groove.

Detailed Description

In order to make the technical problems solved, the technical solutions adopted and the technical effects achieved by the present invention clearer, the technical solutions of the present invention are further described below by way of specific embodiments with reference to the accompanying drawings. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements associated with the present invention are shown in the drawings.

As shown in fig. 1 to 10, the embodiment provides a spraying device of a dishwasher, comprising a spraying component 1 rotatably mounted on a sidewall of an inner container of the dishwasher and provided with at least two spraying channels 10, and a switching component for switching the spraying channels 10 to enable one spraying channel 10 to be communicated with a spraying pipeline of the dishwasher; the spraying tracks formed by spraying of each spraying channel 10 are different.

The different spray passage 10 of orbit is sprayed through setting up to this embodiment to make one of them spray passage 10 and dish washer's spraying pipeline intercommunication through switching components, at the in-process that sprays of dish washer, can switch spray passage 10 through switching components, so that spray passage 10 through can forming the different orbit that sprays, realize spraying to each corner in the dish washer inner bag, simple structure can avoid spraying the dead angle moreover, improves the cleaning performance.

As shown in fig. 2 to 4, the spray assembly 1 includes a spray arm 11 having at least two spray channels 10, and the spray arm 11 is provided with a first water inlet 15 communicated with the corresponding spray channel 10. One of the first water inlets 15 can be selected to supply the spray assembly 1 with water to be sprayed with the corresponding spray channel 10.

Preferably, the spray arm 11 is provided with two spray channels 10, the embodiment is described by providing two spray channels 10 on the spray arm 11, and of course, three or more spray channels 10 may also be provided, which is not limited in detail here.

When the spray arm 11 is provided with two of the above-mentioned spray channels 10, two of the corresponding first water inlets 15 are also provided, wherein one of the first water inlets 15 is arranged around the other first water inlet 15. The central point of spray arm 11 puts and is equipped with two rings, locate the second ring 14 outside first ring 13 for first ring 13 and cover respectively, the ring that sets up near spray arm 11 center is first ring 13 and forms a first water inlet 15 promptly, call central water inlet, the region that first ring 13 and second ring 14 enclose forms another first water inlet 15, call annular water inlet, be equipped with at least two and use central water inlet as the central axis and the fan-shaped hole 151 of circumference equipartition in the annular water inlet, through fan-shaped hole 151 intercommunication annular water inlet and the spray passage 10 on one of them spray arm 11. Preferably, there are two fan-shaped holes 151, and the two fan-shaped holes 151 are respectively located at two sides of the center of the spray arm 11 and are arranged at 180 degrees.

As shown in fig. 5 to 7, the spraying device of the dishwasher further comprises a first rotating member 2 rotatably connected to the spraying assembly 1, the first rotating member 2 is provided with two second water inlets 221, and water outlets 211 corresponding to the second water inlets 221 and mutually communicated, and each water outlet 211 is respectively communicated with one of the first water inlets 15 and oppositely arranged. Because the two first water inlets 15 arranged around are inconvenient to switch, the first rotating member 2 is arranged in the embodiment, the two first water inlets 15 arranged around are converted into two second water inlets 221 which are not in contact with each other, and the switching assembly is convenient to block one of the second water inlets 221 so that the other second water inlet 221 is communicated with the corresponding spraying channel 10 through the first water inlets 15.

The switching assembly comprises a baffle plate and a driving unit for driving the baffle plate to act so as to enable one of the first water inlets 15 to be communicated with the spraying pipeline. In this embodiment, a motor is used as a driving unit to drive the baffle to rotate, the baffle is driven by the motor to rotate so as to communicate one of the second water inlets 221 with the corresponding spraying channel 10, and the other second water inlet 221 is blocked by the baffle, that is, the baffle makes the other second water inlet 221 not communicate with the corresponding spraying channel 10.

As shown in fig. 1, the spray assembly 1 further includes a second rotating member 12 connected to the first rotating member 2 and the spray arm 11, and the second rotating member 12 is clamped with the first rotating member 2 and the spray arm 11 and can rotate relative to the first rotating member 2.

Specifically, as shown in fig. 8, the second rotating member 12 includes a first rotating portion 121 and a first clamping portion 122 disposed on an outer wall of the first rotating portion 121 and circumferentially arranged, the first rotating portion 121 is of a circular ring structure, a through hole 1211 is penetratingly disposed on the first rotating portion 121, a central axis of the through hole 1211 coincides with a central axis of the first rotating portion 121, a first annular groove 1212 is further disposed on the first rotating portion 121, a central axis of the first annular groove 1212 coincides with a central axis of the first rotating portion 121, the through hole 1211 is disposed on an inner ring forming the first annular groove 1212, at least three grooves are disposed on an inner wall of an outer ring forming the first annular groove 1212, and the grooves include a first groove 1213 axially disposed along the second rotating member 12 and a second groove 1214 communicated with the first groove 1213 and circumferentially disposed along the second rotating member 12. Referring to fig. 3, the outer wall of the second ring 14 is provided with first protrusions 141 corresponding to the grooves, the first protrusions 141 are aligned with the second grooves 1214, and the first protrusions 141 can be inserted into the first grooves 1213 and the second grooves 1214.

As shown in fig. 9, when the spray arm 11 and the second rotation member 12 are installed, the first rotation portion 121 is aligned with the first annular groove 1212, the first protrusion 141 is aligned with the first groove 1213, then the first protrusion 141 is inserted into the first groove 1213 along the radial direction of the second rotation member 12 until the spray arm 11 cannot move continuously along the radial direction of the second rotation member 12, and then the spray arm 11 is rotated to screw the first protrusion 141 into the second groove 1214 until the spray arm 11 cannot rotate continuously, at this time, the first rotation portion 121 is placed in the first annular groove 1212, and the unidirectional rotation limit and the axial movement limit of the spray arm 11 are realized through the second groove 1214.

In order to realize the bidirectional rotation limiting between the spray arm 11 and the second groove 1214, in this embodiment, as shown in fig. 8, the end surface of the first clamping portion 122 facing the spray arm 11 is provided with a second protrusion 1221, preferably, the number of the first clamping portions 122 is three, and the three first clamping portions 122 are uniformly distributed along the circumferential direction of the second rotating member 12. As shown in fig. 2 and 3, the spray arm 11 is provided with a second annular groove 16, the second annular groove 16 is provided with a third groove 161 extending along the central axis direction of the spray arm 11, and the third groove 161 and the second protrusion 1221 are arranged in a one-to-one correspondence manner. Preferably, the second protrusion 1221 has a quadrangular prism structure, and a radial cross section of the second protrusion 1221 is a right trapezoid, and an inclined surface of the second protrusion 1221 is disposed toward a rotation direction during installation. Through the second protrusion 1221 with the above structure, the rotation of the spray arm 11 and the second rotation member 12 is limited by the cooperation of the second protrusion 1221 and the third groove 161, and the second rotation member 12 and the spray arm 11 are convenient to detach.

As shown in fig. 9, when the first protrusion 141 is aligned with the first groove 1213, the second protrusion 1221 is disposed opposite to the second annular groove 16 and a portion of the second protrusion 1221 is disposed in the second annular groove 16, and the first protrusion 141 is inserted into the first groove 1213 along the radial direction of the second rotating member 12 until the spray arm 11 cannot move further along the radial direction of the second rotating member 12, the second protrusion 1221 abuts against the second annular groove 16 and the second protrusion 1221 slightly deforms, during the rotation of the spray arm 11, the second protrusion 1221 rotates circumferentially along the second annular groove 16, during the gradual entry of the first protrusion 141 into the second groove 1214, the second protrusion 1221 gradually enters the third groove 161, and when the spray arm 11 cannot rotate further, the second protrusion 1221 completely enters the third groove 161, at this time, the second protrusion 1221 deforms again such that the portion of the second protrusion 1221 extends into the third groove 161, so that the spray arm 11 cannot be rotated reversely.

As shown in fig. 5 and 6, the first rotating member 2 includes a second rotating portion 21 and a second clamping portion 22 connected thereto, the second rotating portion 21 is in interference insertion fit with the second clamping portion 22 and forms a third annular groove 23 extending along the circumferential direction of the outer wall of the first rotating member 2, and referring to fig. 9, the first rotating portion 121 of the second rotating member 12 is disposed in the third annular groove 23, so that the first rotating portion 121 can rotate along the circumferential direction of the third annular groove 23.

As shown in fig. 1 to 3 and 10, the spray arm 11 includes a first spray arm and a second spray arm, both of which are provided with the spray channel 10 and are arranged in an S shape, and the first spray arm and the second spray arm are provided with at least one spray hole 17 communicated with the corresponding spray channel 10 and used for driving the spray assembly 1 to rotate. The first ring 13 and the second ring 14 are disposed in the center of the spray arm 11, i.e., in the connection area of the first spray arm and the second spray arm, and supply water to the two spray channels 10 through the central water inlet and the annular water inlet, respectively.

Preferably, referring to fig. 4, the central axis of the spray hole 17 intersects with a vertical line, and the rotation directions of the spray assembly 1 are opposite when the spray holes 17 and the spray channels 10 on the first spray arm and the second spray arm spray respectively. When water is sprayed through the spray holes 17, the spray arm 11 can be rotated by the reaction force of the flowing water impact. Specifically, the first spray arm and the second spray arm both comprise two spray parts 18 arranged in an S shape, and the bending directions of the adjacent two spray parts 18 on the spray arm 11 are opposite. When making spray through first spray arm and second spray arm through above-mentioned setting, spray arm 11's rotation opposite direction for the orbit that sprays that forms is different, can increase moreover and spray the region, and make rivers can strike each surface of tableware, improved the effect of spraying, solved the problem at the dead angle of spraying. Further preferably, the length of the first spray arm is different from the length of the second spray arm, so that the spray area can be increased.

Can also realize adopting first spray arm and second spray arm to spray through the structural change of spraying hole 17 and first spray arm and second spray arm, spray arm 11's direction of rotation is the same, can be through the distribution position difference of spraying hole 17 and the central axis that sprays hole 17 and the difference that vertical perpendicular line is the contained angle this moment, make the orbit that sprays that first spray arm and second spray arm formed different, spray the region in order to increase, make each corner of dishwasher inner bag can both be sprayed, solve current spray arm 11 and have the dead angle problem of spraying, the cleaning effect has been improved.

Each spraying part 18 comprises a spraying base and a spraying cover which forms the spraying channel 10 together with the spraying base; the spraying holes 17 are formed in the spraying base. The spraying bases of all the spraying parts 18 are integrally formed, the spraying covers of all the spraying parts 18 are integrally formed, and the two first water inlets 15 and the two spraying channels 10 can be formed only by connecting the spraying bases and the spraying covers together, so that the processing technology of the spraying arm 11 is simplified, and the processing cost is reduced.

The embodiment also provides a dishwasher, which comprises the spraying device of the dishwasher. Through adopting above-mentioned dish washer spray set, can switch two spray passage 10 through the switching component for the rotation opposite direction of spray arm 11 when adopting two spray passage 10 to spray has increased the area that sprays, has solved current spray arm 11 and has had the problem that sprays the dead angle, has improved clean effect.

It should be understood that the above-described embodiments of the present invention are merely examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. 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. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.