CN109395902B - Spray arm and cleaning device - Google Patents
Spray arm and cleaning device Download PDFInfo
- Publication number
- CN109395902B CN109395902B CN201710711834.7A CN201710711834A CN109395902B CN 109395902 B CN109395902 B CN 109395902B CN 201710711834 A CN201710711834 A CN 201710711834A CN 109395902 B CN109395902 B CN 109395902B
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- spray arm
- flow guide
- cleaning
- flow
- wall
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B1/00—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means
- B05B1/26—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets
- B05B1/262—Nozzles, spray heads or other outlets, with or without auxiliary devices such as valves, heating means with means for mechanically breaking-up or deflecting the jet after discharge, e.g. with fixed deflectors; Breaking-up the discharged liquid or other fluent material by impinging jets with fixed deflectors
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
- B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
- B05B9/00—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour
- B05B9/03—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material
- B05B9/04—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump
- B05B9/0403—Spraying apparatus for discharge of liquids or other fluent material, without essentially mixing with gas or vapour characterised by means for supplying liquid or other fluent material with pressurised or compressible container; with pump with pumps for liquids or other fluent material
Abstract
The invention provides a spray arm and a cleaning device, which are used for the cleaning device, wherein the spray arm comprises: the nozzle comprises a first body, a second body, a flow guide part and a nozzle; the second body and the first body enclose a hollow cavity; the flow guide part is positioned on the outer wall of the first body, and one side surface of the flow guide part is a flow guide surface; the nozzle is arranged on the outer wall of the first body, a flow passage is arranged in the nozzle, and the flow passage is communicated with the hollow cavity; the runner extends along the outer wall of the first body, so that the cleaning liquid can strike on the flow guide surface after flowing out along the outer wall of the first body. The cleaning liquid is guided by the guide surface to increase the jet flow area of the cleaning liquid, so that the cleaning range of the spray arm is enlarged, and the condition that the cleaning dead angle is caused due to incomplete coverage of the cleaning range of the spray arm is avoided; meanwhile, due to the fact that the cleaning range of the spray arm is enlarged, the time for cleaning the spray arm is shortened, the technical effect of saving cleaning liquid is achieved, and the use cost of products is reduced.
Description
Technical Field
The invention relates to a cleaning device, in particular to a spray arm and a cleaning device.
Background
At present, in the related technology, nozzles on a spray arm are all in a round hole shape, water flow sprayed by the nozzles is all cylindrical jet flow, and the coverage range of the cylindrical jet flow is small, so that the cleaning area of the spray arm is limited, and the spray arm is uneven in cleaning and poor in cleaning effect; meanwhile, because the cleaning area of the spray arm is small, if tableware is cleaned, the cleaning time needs to be increased, and the waste of cleaning liquid is caused, so that how to design the spray arm which has a large cleaning area and can save the cleaning liquid is very necessary.
Disclosure of Invention
The present invention is directed to solving at least one of the problems of the prior art or the related art.
To this end, a first aspect of the invention proposes a spray arm.
A second aspect of the invention provides a cleaning device.
In view of the above, a first aspect of the present invention provides a spray arm for a cleaning apparatus, the spray arm comprising: the nozzle comprises a first body, a second body, a flow guide part and a nozzle; the second body and the first body enclose a hollow cavity; the flow guide part is positioned on the outer wall of the first body, and one side surface of the flow guide part is a flow guide surface; the nozzle is arranged on the outer wall of the first body, a flow passage is arranged in the nozzle, and the flow passage is communicated with the hollow cavity; the runner extends along the outer wall of the first body, so that the cleaning liquid can strike on the flow guide surface after flowing out along the outer wall of the first body.
The spray arm provided by the invention firstly encloses a hollow cavity through the first body and the second body to store cleaning liquid in the hollow cavity; then, a nozzle is arranged on the outer wall of the first body, and a flow passage arranged in the nozzle is communicated with the hollow cavity, so that the cleaning liquid flows into the flow passage from the hollow cavity; and then, arranging the flow guide part on the outer wall of the first body, and simultaneously extending the flow channel along the outer wall of the first body to realize that the cleaning liquid strikes on the flow guide surface of the flow guide part after flowing out along the outer wall of the first body. The cleaning liquid is guided by the guide surface to increase the jet flow area of the cleaning liquid, so that the cleaning range of the spray arm is enlarged, the condition that the cleaning dead angle is caused by incomplete coverage of the cleaning range of the spray arm is avoided, and the cleaning effect of the spray arm is improved; meanwhile, due to the expansion of the cleaning range of the spray arm, the time for cleaning the spray arm is reduced, so that the technical effect of saving cleaning liquid is achieved, the use cost of the product is reduced, and the application range of the product is expanded.
In addition, the spray arm in the above technical solution provided by the present invention may further have the following additional technical features:
in the above technical scheme, preferably, the flow guide surface is a sector ring shape with a width gradually increasing from the bottom to the top, and one end of the outer wall of the flow guide surface, which is far away from the first body, inclines towards a direction departing from the flow channel.
In the technical scheme, the guide surface is in the shape of a fan ring with the width gradually increased from the bottom to the top, so that the cleaning liquid is guided by the guide surface to form a fan-shaped jet surface, the jet area of the cleaning liquid is further increased, the cleaning range of the spray arm is expanded, the condition that the cleaning dead angle is caused due to incomplete coverage of the cleaning range of the spray arm is avoided, and the cleaning effect of the spray arm is improved; simultaneously, the one end of the outer wall of keeping away from the first body with the water conservancy diversion face inclines to the direction of keeping away from the runner, makes the water conservancy diversion face and the outer wall of first body form the contained angle, has realized that the washing liquid flows out to the direction of keeping away from the runner behind the water conservancy diversion face water conservancy diversion, makes its flow direction wait to wash article, has avoided the washing liquid to flow back to in the runner, causes the extravagant condition of washing liquid to take place to realize the technological effect of washing liquid, further reduced the use cost of product.
In the above technical solution, preferably, two sides of the flow guiding portion are provided with flanges, and the flanges extend to the nozzle in the direction of the flow passage and are connected with the nozzle.
In the technical scheme, the two sides of the flow guide part are provided with the flanges, the flanges extend to the nozzle in the flow passage direction and are connected with the nozzle, so that the nozzle and the flow guide part form a whole to improve the stability of the nozzle and the flow guide part; simultaneously, because the turn-ups extends to the nozzle, can realize the guide effect to the washing liquid to avoid the washing liquid to flow from the both sides of water conservancy diversion portion, and then ensure to beat from the washing liquid that flows out in the runner and hit on the water conservancy diversion face, avoided wasing also extravagant, and because there is sufficient washing liquid to hit and beat at the water conservancy diversion face, thereby realized forming the increase of fan-shaped jet surface after the water conservancy diversion face water conservancy diversion, further increase the jet area of washing liquid, enlarged the cleaning range of spray arm, strengthened the cleaning performance of spray arm.
In the above technical solution, preferably, a central angle of the sector ring is greater than or equal to 30 degrees and less than or equal to 150 degrees.
In the technical scheme, when the lower limit of the central angle of the fan ring is 30 degrees, the cleaning fluid can be ensured to form a fan-shaped jet flow surface after being guided by the guide surface; when the central angle of the fan ring is larger than 150 degrees, the included angle formed by the two side edges of the fan ring and the outer wall of the first body is too small, so that the cleaning liquid cannot smoothly flow out of the flow guide surface, and the waste of the cleaning liquid is further caused; therefore, the central angle of the sector ring is limited between 30 degrees and 150 degrees, so that the cleaning liquid can form a sector jet flow surface after being guided by the guide surface, the cleaning liquid can smoothly flow out of the guide surface, and the aim of saving the cleaning liquid is fulfilled.
In the above technical solution, preferably, an included angle between the diversion surface and the outer wall of the first body is greater than or equal to 30 degrees and less than or equal to 90 degrees.
In the technical scheme, when the lower limit of the included angle formed by the flow guide surface and the outer wall of the first body is 30 degrees, the outflow direction of the cleaning liquid and the outer wall of the first body form a certain angle, and the cleaning range of the spray arm is further expanded; when the included angle formed by the flow guide surface and the outer wall of the first body is larger than 90 degrees, the cleaning liquid hits the flow guide surface and then flows back into the flow channel, so that the waste of the cleaning liquid is caused; therefore, the included angle formed by the flow guide surface and the outer wall of the first body is limited between 30 degrees and 90 degrees, the cleaning liquid is guaranteed to flow out at a certain angle with the outer wall of the first body, the cleaning range of the spray arm is further enlarged, the cleaning liquid can be prevented from beating the flow guide surface and then flowing back to the flow channel, and therefore the purpose of saving the cleaning liquid is achieved.
In the above technical solution, preferably, the number of the nozzles is at least one, and the number of the flow guide portions is the same as the number of the nozzles.
In the technical scheme, the number of the nozzles is limited to be at least one, the number of the flow guide parts is the same as that of the nozzles, the cleaning liquid flowing out of each nozzle is beaten on the flow guide parts, the jet flow area of the cleaning liquid is increased, the cleaning range of the spray arm is expanded, and the cleaning efficiency of the spray arm is improved.
In the above technical solution, preferably, the number of the nozzles is plural, the angles of the central angles of the flow guide surfaces are different, and/or the angles of the included angles formed by the flow guide surfaces and the outer wall of the first body are different.
In the technical scheme, when a plurality of nozzles are arranged, the cleaning liquid is guided by the guide surfaces to form different jet flow fan surfaces due to different angles of central angles of the guide surfaces, so that the coverage range of the spray arms is enlarged; meanwhile, because the included angle formed by the flow guide surface and the outer wall of the first body is different, the cleaning liquid can flow out of the outer wall of the first body from different angles after being guided by the flow guide surface, the cleaning of objects to be cleaned from multiple angles is realized, the condition of cleaning dead angles is avoided, and the cleaning effect of the spray arm is enhanced.
In the above technical solution, preferably, the first body further includes: connecting holes; the connecting hole is used for communicating the flow passage with the hollow cavity; wherein, the sectional area of the connecting hole is larger than that of the runner.
In the technical scheme, the connecting hole is arranged on the first body, so that the nozzle is communicated with the hollow cavity through the connecting hole, and the cleaning liquid in the hollow cavity flows into the flow passage through the connecting hole; simultaneously, when the washing liquid flowed into the runner through the connecting hole, because the sectional area of connecting hole is greater than the sectional area of runner, the pressure that the washing liquid received increases suddenly to make the velocity of flow of washing liquid increase, consequently strengthened the washing dynamics of washing liquid, avoided the greasy dirt that causes because of the washing dynamics is attached to the condition emergence of treating the washing article, and then improved the cleaning performance of spray arm.
In the above technical solution, preferably, the flow channel is cylindrical, and a cross-sectional diameter of the flow channel is greater than or equal to 0.5mm and less than or equal to 2 mm.
In this technical scheme, set up to cylindrically through flowing, and inject the cross-sectional diameter of runner between 0.5mm to 2mm, not only can avoid being less than the washing liquid flow that 0.5mm brought because of the cross-sectional diameter of runner, can't treat the washing of wasing article with the realization, can also avoid being greater than the too much flow of the washing liquid that 2mm brought because of the cross-sectional diameter of runner, cause the waste to the washing liquid, and then when having realized improving the cleaning performance of spray arm, the quantity of washing liquid has still been saved, the use cost of spray arm has been reduced.
In the above technical solution, preferably, the spray arm further includes: a water pump and a water inlet part; the water inlet part is connected with the second body and communicates the water pump with the hollow cavity.
In the technical scheme, the water inlet part is arranged on the second body, and the water inlet part is communicated with the water pump and the hollow cavity, so that the cleaning liquid is supplemented into the hollow cavity by the water pump, and the cleaning of the objects to be cleaned can be realized by ensuring that the cleaning liquid is sufficient in the hollow cavity.
A second aspect of the invention provides a cleaning device, comprising a spray arm according to any one of the above technical solutions; the cleaning device comprises: dish washer, condenser belt cleaning device, air conditioner pipeline belt cleaning device etc.. Therefore, the cleaning device comprises all the beneficial effects of the spray arm in any technical scheme.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:
FIG. 1 shows a schematic structural view of a spray arm according to one embodiment of the present invention;
FIG. 2 is a cross-sectional view A-A of the spray arm of FIG. 1 according to one embodiment of the present invention;
FIG. 3 is a schematic view of a spray arm according to another embodiment of the present invention;
FIG. 4 is a schematic view of a spray arm according to yet another embodiment of the present invention;
FIG. 5 is a schematic view of a spray arm according to yet another embodiment of the present invention;
FIG. 6 is a schematic view of a spray arm according to yet another embodiment of the present invention;
wherein, the correspondence between the reference numbers and the part names in fig. 1 to 6 is:
10 spray arms, 102 a first body, 1022 a connecting hole, 104 a second body, 106 a flow guide part, 1062 a flow guide surface, 1064 a flanging, 108 a nozzle, 1082 a flow passage and 110 a water inlet part.
Detailed Description
In order that the above objects, features and advantages of the present invention can be more clearly understood, a more particular description of the invention will be rendered by reference to the appended drawings. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.
In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the scope of the present invention is not limited by the specific embodiments disclosed below.
The spray arm and the cleaning device according to some embodiments of the present invention are described below with reference to fig. 1 to 6.
In an embodiment of the first aspect of the present invention, as shown in fig. 1 to 3, the first aspect of the present invention provides a spray arm 10 for a cleaning apparatus, the spray arm 10 including: a first body 102, a second body 104, a flow guide 106, and a nozzle 108; the second body 104 and the first body 102 enclose a hollow cavity; the flow guide part 106 is positioned on the outer wall of the first body 102, and one side surface of the flow guide part 106 is a flow guide surface 1062; the nozzle 108 is arranged on the outer wall of the first body 102, a flow passage 1082 is arranged in the nozzle 108, and the flow passage 1082 is communicated with the hollow cavity; the flow passage 1082 extends along the outer wall of the first body 102, so that the cleaning solution can hit the flow guiding surface 1062 after flowing out along the outer wall of the first body 102.
In this embodiment, first, a hollow cavity is enclosed by the first body 102 and the second body 104, so as to store the cleaning solution therein; then, by arranging the nozzle 108 on the outer wall of the first body 102 and communicating the flow passage 1082 arranged in the nozzle 108 with the hollow cavity, the cleaning liquid flows into the flow passage 1082 from the hollow cavity; then, the flow guide part 106 is disposed on the outer wall of the first body 102, and the flow passage 1082 extends along the outer wall of the first body 102, so that the cleaning liquid flows out along the outer wall of the first body 102 and then strikes the flow guide surface 1062 of the flow guide part 106. The cleaning liquid is guided by the guide surface 1062 to increase the jet flow area of the cleaning liquid, so that the cleaning range of the spray arm 10 is enlarged, the condition of cleaning dead angles caused by incomplete coverage of the cleaning range of the spray arm 10 is avoided, and the cleaning effect of the spray arm 10 is improved; meanwhile, due to the fact that the cleaning range of the spray arm 10 is enlarged, the time for cleaning the spray arm 10 is shortened, the technical effect of saving cleaning liquid is achieved, the use cost of products is reduced, and the application range of the products is enlarged.
In an embodiment of the present invention, as shown in fig. 2, preferably, the flow guiding surface 1062 is a fan-shaped ring with a width gradually increasing from the bottom to the top, and an end of the flow guiding surface 1062 away from the outer wall of the first body 102 is inclined to a direction away from the flow passage 1082.
In this embodiment, the guide surface 1062 is formed into a fan-shaped ring shape with the width gradually increasing from the bottom to the top, so that the cleaning liquid is guided by the guide surface 1062 to form a fan-shaped jet surface, the jet area of the cleaning liquid is further increased, the cleaning range of the spray arm 10 is expanded, the occurrence of a cleaning dead angle caused by incomplete coverage of the cleaning range of the spray arm 10 is avoided, and the cleaning effect of the spray arm 10 is improved; meanwhile, one end, far away from the first body 102, of the outer wall of the flow guide surface 1062 is inclined in the direction away from the flow channel 1082, so that an included angle is formed between the flow guide surface 1062 and the outer wall of the first body 102, the cleaning liquid flows out in the direction far away from the flow channel 1082 after being guided by the flow guide surface 1062, the cleaning liquid flows towards the object to be cleaned, the cleaning liquid is prevented from flowing back into the flow channel 1082, the waste of the cleaning liquid is avoided, the technical effect of the cleaning liquid is achieved, and the use cost of the product is further reduced.
In one embodiment of the present invention, as shown in fig. 2, the flow guide 106 is preferably provided with flanges 1064 at two sides thereof, and the flanges 1064 extend to the nozzle 108 in the direction of the flow passage 1082 and are connected to the nozzle 108.
In this embodiment, the flanges 1064 are disposed on two sides of the flow guiding portion 106, and the flanges 1064 extend to the nozzle 108 along the direction of the flow passage 1082, and the flanges 1064 are connected to the nozzle 108, so that the nozzle 108 and the flow guiding portion 106 form a whole, and the stability of the nozzle 108 and the flow guiding portion 106 is improved; meanwhile, the turned-over edge 1064 extends to the nozzle 108, so that the guiding effect on the cleaning liquid can be realized, the cleaning liquid is prevented from flowing out from the two sides of the flow guide part 106, the cleaning liquid flowing out from the flow passage 1082 is further ensured to hit the flow guide surface 1062, the waste of cleaning is avoided, and the sufficient cleaning liquid is hit the flow guide surface 1062, so that the increase of a fan-shaped jet flow surface formed after the flow is guided by the flow guide surface 1062 is realized, the jet flow area of the cleaning liquid is further increased, the cleaning range of the spray arm 10 is expanded, and the cleaning effect of the spray arm 10 is enhanced.
In one embodiment of the present invention, it is preferable that the central angle of the fan ring shape is greater than or equal to 30 degrees and less than or equal to 150 degrees.
In this embodiment, when the lower limit of the central angle of the fan ring is 30 degrees, it can be ensured that the cleaning liquid forms a fan-shaped jet surface after being guided by the guide surface 1062; when the central angle of the sector ring is larger than 150 degrees, the included angle formed between the two side edges of the sector ring and the outer wall of the first body 102 is too small, so that the cleaning liquid cannot smoothly flow out of the flow guide surface 1062, and the waste of the cleaning liquid is further caused; therefore, the central angle of the sector ring is limited between 30 degrees and 150 degrees, which not only ensures that the cleaning liquid can form a sector jet flow surface after being guided by the guide surface 1062, but also ensures that the cleaning liquid can smoothly flow out of the guide surface 1062, thereby realizing the aim of saving the cleaning liquid.
In an embodiment of the present invention, the flow guiding surface 1062 forms an included angle with the outer wall of the first body 102, which is greater than or equal to 30 degrees and less than or equal to 90 degrees.
In this embodiment, when the lower limit of the included angle between the flow guide surface 1062 and the outer wall of the first body 102 is 30 degrees, it can be ensured that the flowing direction of the cleaning liquid forms a certain angle with the outer wall of the first body 102, and the cleaning range of the spray arm 10 is further expanded; when the included angle formed by the flow guide surface 1062 and the outer wall of the first body 102 is greater than 90 degrees, the cleaning liquid hits the flow guide surface 1062 and then flows back into the flow passage 1082, so that the waste of the cleaning liquid is caused; therefore, an included angle formed by the flow guide surface 1062 and the outer wall of the first body 102 is limited to be 30 degrees to 90 degrees, so that the cleaning liquid can flow out at a certain angle with the outer wall of the first body 102, the cleaning range of the spray arm 10 is expanded, the cleaning liquid can be prevented from flowing back to the flow channel 1082 after being hit by the flow guide surface 1062, and the purpose of saving the cleaning liquid is achieved.
In one embodiment of the present invention, it is preferable that the number of the nozzles 108 is at least one, and the number of the flow guide portions 106 is the same as the number of the nozzles 108.
In this embodiment, limiting the number of the nozzles 108 to at least one and making the number of the flow guide portions 106 the same as the number of the nozzles 108 achieves that the cleaning liquid flowing out of each nozzle 108 hits on the flow guide portion 106 to achieve an increase in the jet flow area of the cleaning liquid, an increase in the cleaning range of the spray arm 10, and an improvement in the cleaning efficiency of the spray arm 10.
In one embodiment of the present invention, preferably, as shown in fig. 4 and 5, the number of the nozzles 108 is plural, the angle of the central angle of the flow guide surface 1062 is different, and/or the angle of the included angle formed by the flow guide surface 1062 and the outer wall of the first body 102 is different.
In this embodiment, when the number of the nozzles 108 is plural, since the angles of the central angles of the guide surfaces 1062 are different, the cleaning liquid is guided by the guide surfaces 1062 to form different jet flow sectors, thereby expanding the coverage area of the spray arm 10; meanwhile, because the included angle between the flow guide surface 1062 and the outer wall of the first body 102 is different, the cleaning liquid can flow out of the outer wall of the first body 102 from different angles after being guided by the flow guide surface 1062, so that the cleaning of the objects to be cleaned from multiple angles is realized, the occurrence of the condition of cleaning dead angles is avoided, and the cleaning effect of the spray arm 10 is enhanced.
In one embodiment of the present invention, preferably, as shown in fig. 2, the first body 102 further includes: a connection hole 1022; the connecting hole 1022 connects the flow passage 1082 with the hollow cavity; wherein, the cross-sectional area of the connecting hole 1022 is larger than that of the flow passage 1082.
In this embodiment, by disposing the connection hole 1022 on the first body 102, the connection hole 1022 connects the nozzle 108 with the hollow cavity, so that the cleaning liquid in the hollow cavity flows into the flow passage 1082 through the connection hole 1022; meanwhile, when the cleaning liquid flows into the flow passage 1082 through the connecting hole 1022, since the sectional area of the connecting hole 1022 is larger than that of the flow passage 1082, the pressure applied to the cleaning liquid is suddenly increased to increase the flow rate of the cleaning liquid, thereby increasing the cleaning force of the cleaning liquid, avoiding the occurrence of the situation that oil stains are attached to the object to be cleaned due to insufficient cleaning force, and further improving the cleaning effect of the spray arm 10.
In one embodiment of the present invention, preferably, the flow passage 1082 is cylindrical, and the cross-sectional diameter of the flow passage 1082 is greater than or equal to 0.5mm, and less than or equal to 2 mm.
In this embodiment, set up to cylindrically through flowing, and inject runner 1082's cross-sectional diameter between 0.5mm to 2mm, not only can avoid being less than the washing liquid flow that brings because of runner 1082's cross-sectional diameter is less than 0.5mm, can't will realize treating the washing of wasing article, can also avoid being too much because of the flow of the washing liquid that runner 1082's cross-sectional diameter is greater than 2mm and brings, cause the waste to the washing liquid, and then when having realized improving spray arm 10's cleaning performance, the quantity of washing liquid has still been saved, spray arm 10's use cost has been reduced.
In one embodiment of the present invention, preferably, as shown in fig. 6, the spray arm 10 further includes: a water pump and inlet 110; the water inlet portion 110 is connected to the second body 104, and the water pump is communicated with the hollow cavity by the water inlet portion 110.
In this embodiment, the water inlet portion 110 is disposed on the second body 104, and the water inlet portion 110 communicates the water pump with the hollow cavity, so that the water pump supplements the cleaning solution into the hollow cavity, and it is ensured that sufficient cleaning solution is in the hollow cavity to clean the object to be cleaned.
In a second embodiment of the invention, the invention provides a cleaning device comprising a spray arm 10 as described in any one of the above embodiments; the cleaning device comprises: dish washer, condenser belt cleaning device, air conditioner pipeline belt cleaning device etc.. Thus, the cleaning device includes all the benefits of the spray arm 10 described in any of the above embodiments.
In the description of the present invention, the terms "plurality" or "a plurality" refer to two or more, and unless otherwise specifically limited, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
In the description of the present invention, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In the present invention, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. A spray arm for a cleaning device, the spray arm comprising:
a first body;
the second body and the first body enclose a hollow cavity;
the flow guide part is positioned on the outer wall of the first body, and one side surface of the flow guide part is a flow guide surface;
the nozzle is arranged on the outer wall of the first body, a flow channel is arranged in the nozzle, and the flow channel is communicated with the hollow cavity;
the flow channel extends along the outer wall of the first body, so that the cleaning liquid flows out along the outer wall of the first body and then strikes the flow guide surface;
and flanges are arranged on two sides of the flow guide part, extend to the nozzle in the direction of the flow channel and are connected with the nozzle.
2. The spray arm of claim 1, wherein:
the flow guide surface is in a sector ring shape with the width gradually increasing from the bottom to the top, and one end, far away from the first body, of the outer wall of the flow guide surface inclines towards the direction deviating from the flow channel.
3. The spray arm of claim 2, wherein:
the central angle of the fan ring is greater than or equal to 30 degrees and less than or equal to 150 degrees.
4. The spray arm of claim 3, wherein:
the included angle between the flow guide surface and the outer wall of the first body is greater than or equal to 30 degrees and less than or equal to 90 degrees.
5. The spray arm of claim 4, wherein:
the number of the nozzles is at least one, and the number of the flow guide parts is the same as that of the nozzles.
6. The spray arm of claim 5, wherein:
the number of the nozzles is multiple, the angle of the central angle of the flow guide surface is different, and/or the angle of the included angle formed by the flow guide surface and the outer wall of the first body is different.
7. The spray arm of any of claims 1 to 6, wherein the first body further comprises:
the connecting hole is used for communicating the flow passage with the hollow cavity;
the sectional area of the connecting hole is larger than that of the flow passage.
8. The spray arm of claim 7, wherein:
the runner is cylindrical, and the section diameter of the runner is greater than or equal to 0.5mm and less than or equal to 2 mm.
9. The spray arm of claim 1, further comprising:
a water pump;
and the water inlet part is connected with the second body and is used for communicating the water pump with the hollow cavity.
10. A cleaning device comprising a spray arm according to any one of claims 1 to 9;
the cleaning device includes: dish washer, condenser belt cleaning device, air conditioner pipeline belt cleaning device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710711834.7A CN109395902B (en) | 2017-08-18 | 2017-08-18 | Spray arm and cleaning device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710711834.7A CN109395902B (en) | 2017-08-18 | 2017-08-18 | Spray arm and cleaning device |
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| CN109395902A CN109395902A (en) | 2019-03-01 |
| CN109395902B true CN109395902B (en) | 2021-05-04 |
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| CN201710711834.7A Active CN109395902B (en) | 2017-08-18 | 2017-08-18 | Spray arm and cleaning device |
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| WO2021087708A1 (en) * | 2019-11-04 | 2021-05-14 | 深圳市大疆创新科技有限公司 | Flow field regulation assembly, flow meter, spraying device, and movable platform |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060085972A (en) * | 2005-01-25 | 2006-07-31 | 엘지전자 주식회사 | Filter cleansing structure of the sump for dish washer |
| KR20120057193A (en) * | 2010-11-26 | 2012-06-05 | 린나이코리아 주식회사 | Upper washing nozzle for dish washing machine |
| EP2522268A1 (en) * | 2011-05-12 | 2012-11-14 | LG Electronics Inc. | Dishwasher |
| CN104739346A (en) * | 2015-04-14 | 2015-07-01 | 芜湖美的洗涤电器制造有限公司 | Dish washing machine and spraying arm assembly thereof |
| CN106491060A (en) * | 2016-12-30 | 2017-03-15 | 宁波方太厨具有限公司 | Rotation spray arm and application for cleaning device has the cleaning device of the rotation spray arm |
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20060085972A (en) * | 2005-01-25 | 2006-07-31 | 엘지전자 주식회사 | Filter cleansing structure of the sump for dish washer |
| KR20120057193A (en) * | 2010-11-26 | 2012-06-05 | 린나이코리아 주식회사 | Upper washing nozzle for dish washing machine |
| EP2522268A1 (en) * | 2011-05-12 | 2012-11-14 | LG Electronics Inc. | Dishwasher |
| CN104739346A (en) * | 2015-04-14 | 2015-07-01 | 芜湖美的洗涤电器制造有限公司 | Dish washing machine and spraying arm assembly thereof |
| CN106491060A (en) * | 2016-12-30 | 2017-03-15 | 宁波方太厨具有限公司 | Rotation spray arm and application for cleaning device has the cleaning device of the rotation spray arm |
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| CN109395902A (en) | 2019-03-01 |
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