CN107518846B - Spraying device of dish washing machine and dish washing machine with spraying device - Google Patents
Spraying device of dish washing machine and dish washing machine with spraying device Download PDFInfo
- Publication number
- CN107518846B CN107518846B CN201610446574.0A CN201610446574A CN107518846B CN 107518846 B CN107518846 B CN 107518846B CN 201610446574 A CN201610446574 A CN 201610446574A CN 107518846 B CN107518846 B CN 107518846B
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- Prior art keywords
- spraying
- nozzle
- spray
- hole
- washing water
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Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/14—Washing or rinsing machines for crockery or tableware with stationary crockery baskets and spraying devices within the cleaning chamber
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4278—Nozzles
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- Washing And Drying Of Tableware (AREA)
Abstract
The invention relates to a spraying device of a dish washing machine and the dish washing machine provided with the spraying device, comprising at least one nozzle, wherein each nozzle is provided with at least one spraying hole, the front end of at least one spraying hole is provided with a flow guide device, washing water flows out from a gap between the flow guide device and the spraying hole, and the flow guide device guides the water flow of the washing water to spray in a divergent form. The invention sprays the washing water flowing out of the spray holes in a divergent form under the action of the flow guide device, thereby effectively avoiding the occurrence of washing dead angles, ensuring the cleaning effect of the dish-washing machine, being beneficial to maintaining the washing water pressure and effectively preventing the spray holes from being blocked.
Description
Technical Field
The invention relates to a dish washing machine, and simultaneously relates to a spraying device of the dish washing machine arranged in the dish washing machine, belonging to the technical field of dish washing machine manufacture.
background
The dish washer is a device for washing tableware by spraying high-pressure washing water through a nozzle, generally comprises a dish washer liner forming a washing chamber, a tableware throwing opening is arranged in front of the liner, a door body is arranged at the tableware throwing opening, and a tableware shelf, a sprayer and the like are arranged in the washing chamber.
the existing static sprayer installed in the dish washer is generally realized by arranging spraying holes on the sprayer, and in order to avoid washing dead corners, the sprayer with the structure can be realized only by reducing the aperture of the spraying holes to increase the spraying pressure or increasing the number of the spraying holes and the like. However, an excessively small hole diameter is easily clogged with food residues, and increasing the number of spray holes reduces the spray pressure.
Disclosure of Invention
The invention mainly aims to solve the problems and the defects and provides a spraying device of a dish washing machine, which prevents the occurrence of washing dead corners by utilizing the divergence of washing water flow, is beneficial to maintaining the washing water pressure and prevents the blockage of spraying holes.
Another main object of the present invention is to provide a dishwasher equipped with the above-mentioned spraying device of the dishwasher.
In order to achieve the purpose, the technical scheme of the invention is as follows:
A spraying device of a dishwasher comprises at least one nozzle, wherein each nozzle is provided with at least one spraying hole, the front end of at least one spraying hole is provided with a flow guide device, washing water flows out from a gap between the flow guide device and the spraying hole, and the flow guide device guides the water flow of the washing water to spray in a divergent mode.
Further, the flow guide device is fixed on the nozzle, or the flow guide device and the nozzle can move relatively to change the size of the gap.
Further, the flow guiding device is a conical flow guiding cap, the flow guiding cap and the nozzle are integrally formed, and the washing water flows out along the outer surface of the flow guiding cap.
furthermore, the guiding device comprises an umbrella-shaped guiding cover at the top and a base at the bottom, the bottom of a vertical rod of the guiding cover is connected with the base, washing water flows out along the outer surface of the guiding cover, and the base is fixed on the nozzle or the spraying arm.
Furthermore, an elastic component is arranged between the air guide sleeve and the base and used for changing the size of a gap between the air guide sleeve and the spraying hole.
Furthermore, the flow guide device is a cylindrical body and is transversely arranged corresponding to the spraying hole.
Further, at least one groove for washing water to flow out is arranged at the lower side of the spraying hole.
further, the cylindrical body is arranged on the nozzle and can move relative to the nozzle
Furthermore, two ends of the columnar body are respectively provided with a pin shaft, two clamping grooves are correspondingly arranged on the nozzle, and the pin shafts are clamped in the clamping grooves and can move up and down in the clamping grooves; or the cylindrical body is sleeved and fixed on the nozzle through at least one elastic sleeve.
The other technical scheme of the invention is as follows:
A dishwasher is internally provided with the spraying device of the dishwasher.
In summary, compared with the prior art, the spraying device of the dishwasher and the dishwasher provided with the spraying device of the invention have the following advantages:
(1) The invention adds a flow guide device at the front end of the spray holes to spray the washing water flowing out of the spray holes in a divergent form, and the divergent radius of the water column also responds to the change along with the change of the rotating speed (pressure) of the motor, thereby effectively avoiding the occurrence of washing dead angles on the premise of not reducing the aperture and not increasing the number of the spray holes, ensuring the cleaning effect of the dish-washing machine, being beneficial to maintaining the washing water pressure and effectively preventing the blockage of the spray holes.
(2) The invention also arranges a flow guiding device which can move relative to the nozzle at the front end of the spray hole to change the gap between the flow guiding device and the spray hole, so that high-pressure water flow can be sprayed out from the gap between the nozzle and the flow guiding device, if the pressure is increased during blockage, the high pressure can make the flow guiding device move relative to the nozzle, thereby increasing the gap and spraying the blockage.
Drawings
FIG. 1 is a schematic structural view of a dishwasher spray system of the present invention;
FIG. 2 is a schematic structural diagram of a spraying device according to a first embodiment of the present invention;
FIG. 3 is a cross-sectional view of a spray assembly according to a first embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a spraying device according to a second embodiment of the present invention;
FIG. 5 is a sectional view A-A of FIG. 4;
fig. 6 is a schematic view of a spraying state of the spraying device in the second embodiment of the invention;
FIG. 7 is a schematic structural diagram of a spray device according to a third embodiment of the present invention;
Fig. 8 is an exploded view of the structure of the sprinkler device according to the third embodiment of the present invention.
as shown in fig. 1 to 8, a spray arm 1, a nozzle 2, a spray hole 3, a deflector cap 4, a gap 5, an inward concave part 6, a deflector 7, a base 8, a spring 9, a cylindrical body 10, a groove 11, a pin shaft 12, a clamping groove 13, and a connecting piece 15.
Detailed Description
The invention is described in further detail below with reference to the following detailed description and accompanying drawings:
The first embodiment is as follows:
The invention provides a dish washing machine, which comprises a shell and an inner container, wherein a cleaning chamber for cleaning tableware is arranged in the inner container, a tableware inlet is arranged in front of the inner container, a door body is arranged at the tableware inlet, a shelf is arranged in the inner container, and the tableware such as bowls and dishes is placed on the shelf during dish washing. The dish washing machine also comprises a set of spraying system which comprises a water pump, a water tank, a filter screen, a water path, at least one spraying arm 1 arranged in the inner container and the like.
As shown in fig. 1, the spraying arms 1 can be respectively arranged at the upper part, the middle part and the lower part of the liner, and the spraying arms 1 can be fixed to realize static spraying or can rotate in the horizontal plane to realize rotary spraying. All be provided with a plurality of nozzles 2 on every spray arm 1 to guarantee to spray the effect, a plurality of nozzles 2 are along spray arm 1 align to grid setting. Each of the nozzles 2 is provided with at least one spray hole 3, and washing water is simultaneously sprayed from the plurality of spray holes 3 to wash dishes placed on the rack.
As shown in fig. 2 and 3, the nozzle 1 provided in this embodiment is a hollow structure, and has a concave portion 6 at the front lower portion of the nozzle 1, the top wall of the concave portion 6 is provided with spraying holes 3, and each nozzle 1 is provided with one spraying hole 3.
A flow guide device is arranged at the front end of the spray holes 3, namely below the spray holes 3, and in the embodiment, one flow guide device is arranged at the front end of each spray hole 3. The diversion device is a conical diversion cap 4, the diversion cap 4 can be independently installed on the nozzle 1, and in order to reduce cost, the diversion cap 4 and the nozzle 1 are preferably integrally injection-molded. The bottom of the deflector cap 4 is connected to the outer edge of the bottom wall of the concave part 6, so that water flow is guaranteed to be sprayed out from the two sides and the front of the deflector cap 4.
A certain gap 5 is formed between the top end of the guide cap 4 and the spray hole 3, washing water flows out of the spray hole 3, then is jetted to the guide cap 4 and flows out along the outer surface of the guide cap 4, and the washing water is jetted out in a divergent mode after passing through the guide cap 4 due to the conical shape of the guide cap 4, so that the washing dead angle is effectively avoided. And along with the change of motor speed (pressure), the radius of divergence of water column also can corresponding change, the higher the radius of rotational speed is bigger to not reducing and spraying 3 apertures and not increasing under the quantity prerequisite that sprays hole 3, effectively avoided the emergence at washing dead angle, thereby guaranteed the cleaning performance of dish washer, simultaneously owing to can not increase the quantity that sprays hole 3, also be favorable to keeping washing water pressure, and then can effectively prevent to spray the jam of hole 3.
example two:
as shown in fig. 3 to 5, the difference from the first embodiment is that, in the first embodiment, the nozzle 2 is a hollow disk-shaped structure, the bottom of the nozzle 2 is provided with a spraying hole 3, each nozzle 2 is provided with one spraying hole 3, a flow guide device is arranged at the front end of each spraying hole 3, a certain gap 5 is formed between the flow guide device and the spraying hole 3, the washing water flows out from the gap 5, the flow guide device and the nozzle 2 can move relatively, and the size of the gap 5 between the flow guide device and the spraying hole 3 can be changed.
In this embodiment, the air guiding device includes an umbrella-shaped air guiding cover 7 at the top and a base 8 at the bottom, the air guiding cover 7 and the base 8 are integrally injection-molded, and the bottom of the vertical rod of the air guiding cover 7 is connected to the base 8. The base 8 is fixed to the spray nozzle 2 by a connecting piece 15, and the base 8 can also be fixed to the spray arm 1. The tip portion at kuppe 7 top corresponds sprays 3 settings in the hole, and the tip portion at kuppe 7 top inserts to spraying in the hole 3, leave certain annular clearance 5 that is between the edge that sprays hole 3 and the most advanced surface in kuppe 7 top, washing water jets kuppe 7 after 3 flows out from spraying hole, and it flows out to be conical surface along kuppe 7 top, because the top of kuppe 7 is complete cone shape, so washing water can spray away with the form of dispersing after 7 kuppe, because the top of kuppe 7 is complete cone shape, can enlarge the area that the water column disperses more, avoid the emergence at washing dead angle. And along with the change of motor speed (pressure), the radius of divergence of water column also can corresponding change, the higher the radius of rotational speed is bigger to not reducing and spraying 3 apertures and not increasing under the quantity prerequisite that sprays hole 3, effectively avoided the emergence at washing dead angle, thereby guaranteed the cleaning performance of dish washer, simultaneously owing to can not increase the quantity that sprays hole 3, also be favorable to keeping washing water pressure, and then can effectively prevent to spray the jam of hole 3.
in this embodiment, it is also preferable to provide an elastic member between the pod 7 and the base 8 to change the size of the gap 5 between the pod 7 and the shower hole 3. The elastic component adopts a spring 9, the spring 9 is sleeved on a vertical rod of the air guide sleeve 7, the top of the spring 9 is propped against the top of the air guide sleeve 7, the bottom of the spring 9 is propped against the base 8, and the spring 9 and the air guide sleeve 7 together change the size of the gap 5 between the air guide sleeve 7 and the spray hole 3.
During washing, high-pressure water flow is sprayed out from the annular gap 5 between the spraying holes 3 and the outer surface of the top of the air guide sleeve 7, and is sprayed out in a divergent mode after passing through the air guide sleeve 7, so that tableware placed on the shelf is cleaned. In the cleaning process, if the situation that the spraying hole 3 is blocked occurs, the pressure of water flow can be rapidly increased, the guide cover 7 can be pressed by larger water flow pressure, the guide cover 7 moves downwards, and compared with the movement of the nozzle 2, the spring 9 is compressed in the process, so that the gap 5 is increased, the blockage is promoted to be sprayed out, and the structure can further ensure that the spraying water flow keeps higher spraying pressure, and is favorable for improving the cleaning effect. When the water pressure returns to normal, the air guide sleeve 7 moves upwards and returns under the action of the spring 9.
Example three:
As shown in fig. 5 and 6, the difference from the first and second embodiments is that the flow guide device is a cylindrical body 10, which is transversely arranged corresponding to the spray holes 3, the cylindrical body 10 is fixed on the nozzle 2, and the spray holes 3 and the cylindrical body 10 have a gap 5 on the outer peripheral surface. In this embodiment, the nozzle 2 is a rectangular parallelepiped structure, a long strip-shaped spraying hole 3 is transversely formed on the nozzle 2, the corresponding cylindrical body 10 serving as the flow guide device is a long and thin cylinder, the gap 5 between the long strip-shaped spraying hole 3 and the cylindrical body 10 is a long strip, when the washing water flows out from the gap 5, the washing water is sprayed out in a divergent form, the divergent form is approximately in a continuous water curtain form, the water spraying area is correspondingly increased, and the occurrence of washing dead corners can be avoided. Several spray nozzles 2 of this configuration can be provided on each spray arm 1, and the spray arm 1 can also be used as a single spray nozzle 2.
In order to further increase the outflow of the washing water to ensure the washing effect, at least one groove 11 for the washing water to flow out is further provided at the lower side of the spray hole 3, as shown in fig. 6, a total of 7 grooves 11 are provided, and the space between the groove 11 and the outer circumferential surface of the cylindrical body 10 is also used as a part of the gap 5.
in this embodiment, it is also preferable that the cylindrical body 10 is designed to be movable relative to the nozzle 2 so as to change the size of the gap 5 between the cylindrical body 10 and the shower hole 3.
As shown in fig. 5 and 6, two ends of the cylindrical body 10 are respectively provided with a pin shaft 12, and correspondingly, the nozzle 2 is provided with two slots 13, the pin shaft 12 can be clamped into the slots 13 by means of elastic deformation of the slots 13 and fixed, and the size of the slots 13 is larger than that of the pin shaft 12, so that the pin shaft 12 can move up and down in the slots 13.
An inclined plane is arranged above the spraying holes 3, the inclined plane can guide the cylindrical body 10 to move obliquely upwards or downwards, and when the cylindrical body moves obliquely upwards, the gap 5 between the outer circumferential surface of the cylindrical body 10 and the spraying holes 3 is increased.
Under the normal state, the column 10 depends on the weight of itself, the pin 12 is located at the bottom of the slot 13, when washing normally, the high pressure water flow is sprayed out from the gap 5 which is long strip shape between the spraying hole 3 and the outer circumference surface of the column 10, and is sprayed out in the divergent form, so as to wash the tableware placed on the shelf. In the cleaning process, if the condition that the spraying holes 3 are blocked occurs, the pressure of water flow can be rapidly increased, the larger water flow pressure can press the cylindrical body 10, so that the cylindrical body 10 moves upwards, and under the guidance of the inclined surface, the cylindrical body 10 moves towards the direction far away from the spraying holes 3, so that the gap 5 is increased, the blockage is promoted to be sprayed out, and the structure can further ensure that the sprayed water flow keeps higher spraying pressure, thereby being beneficial to improving the cleaning effect. When the water pressure returns to normal, the cylindrical body 10 moves downwards obliquely to reset by means of the gravity of the cylindrical body.
example four:
The difference from the third embodiment is that the nozzle 2 is not provided with the locking groove 13, but the cylindrical body 10 is sleeved and fixed on the nozzle 2 through at least one elastic sleeve (not shown in the figure), and the elastic sleeve can be a rubber sleeve or the like. The cylindrical body 10 is at the bottommost position under the action of self gravity, and the washing water is sprayed out from the groove 11 and the narrow gap 5 between the cylindrical body 10 and the spraying hole 3. If the situation that the spraying hole 3 is blocked occurs, the pressure of the water flow can be rapidly increased, the column-shaped body 10 can be pushed outwards by larger water flow pressure, and the column-shaped body 10 is fixed through the elastic sleeve, so that the elastic sleeve can produce certain elongation, and the column-shaped body 10 moves towards the direction far away from the spraying hole 3, so that the gap 5 is increased, the blockage is promoted to be sprayed out, and the structure can further ensure that the spraying water flow keeps higher spraying pressure, and is favorable for improving the cleaning effect. When the water pressure returns to normal, the columnar body 10 moves and resets towards the direction of the spraying hole 3 by means of the gravity of the columnar body and the elasticity of the elastic sleeve.
Similar solutions can be derived from the solution given in the figures, as described above. However, any simple modification, equivalent change and modification of the above embodiments according to the technical essence of the present invention are within the scope of the technical solution of the present invention.
Claims (3)
1. the utility model provides a dish washer spray set, includes at least one nozzle, is provided with at least one on every nozzle and sprays the hole, its characterized in that: the front end of at least one of the spraying holes is provided with a flow guide device which is a cylindrical body and is transversely arranged corresponding to the spraying hole, the cylindrical body is arranged on the nozzle and can move relative to the nozzle, two ends of the cylindrical body are respectively provided with a pin shaft, two clamping grooves are correspondingly arranged on the nozzle, and the pin shafts are clamped in the clamping grooves and can move up and down in the clamping grooves; or the columnar body is sleeved and fixed on the nozzle through at least one elastic sleeve, the washing water flows out from a gap between the flow guide device and the spraying hole, and the flow guide device guides the water flow of the washing water to spray in a divergent mode.
2. A dishwasher spray device according to claim 1, wherein: at least one groove for washing water to flow out is arranged at the lower side of the spraying hole.
3. A dishwasher, characterized by: internally mounted is a dishwasher spray device as claimed in claim 1 or 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610446574.0A CN107518846B (en) | 2016-06-20 | 2016-06-20 | Spraying device of dish washing machine and dish washing machine with spraying device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610446574.0A CN107518846B (en) | 2016-06-20 | 2016-06-20 | Spraying device of dish washing machine and dish washing machine with spraying device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107518846A CN107518846A (en) | 2017-12-29 |
| CN107518846B true CN107518846B (en) | 2019-12-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610446574.0A Active CN107518846B (en) | 2016-06-20 | 2016-06-20 | Spraying device of dish washing machine and dish washing machine with spraying device |
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| CN (1) | CN107518846B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110664347B (en) * | 2018-07-02 | 2023-04-18 | 青岛海尔洗碗机有限公司 | Spraying device of dish washing machine |
| CH716044A1 (en) * | 2019-04-05 | 2020-10-15 | V Zug Ag | Nozzle for cleaning a container. |
| EP3878342A1 (en) * | 2020-03-11 | 2021-09-15 | Haier Deutschland GmbH | Cutlery rack, dishwasher and method for washing cutlery |
| CN111603124B (en) * | 2020-05-07 | 2021-09-03 | 海信(广东)厨卫系统有限公司 | A load-bearing structure for dish washer and dish washer thereof |
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| CN103908205A (en) * | 2014-04-17 | 2014-07-09 | 芜湖美的洗涤电器制造有限公司 | Spray arm of dish washing machine |
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| JP2005230192A (en) * | 2004-02-18 | 2005-09-02 | Hoshizaki Electric Co Ltd | Dishwasher |
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