CN108814351B - Bubble drag reduction nozzle and cleaning machine comprising same - Google Patents
Bubble drag reduction nozzle and cleaning machine comprising same Download PDFInfo
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- CN108814351B CN108814351B CN201811007350.5A CN201811007350A CN108814351B CN 108814351 B CN108814351 B CN 108814351B CN 201811007350 A CN201811007350 A CN 201811007350A CN 108814351 B CN108814351 B CN 108814351B
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- nozzle body
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- 238000004140 cleaning Methods 0.000 title claims abstract description 47
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 261
- 239000007788 liquid Substances 0.000 claims abstract description 18
- 238000002156 mixing Methods 0.000 claims abstract description 18
- 238000000034 method Methods 0.000 claims abstract description 12
- 238000011010 flushing procedure Methods 0.000 claims abstract description 6
- 238000007789 sealing Methods 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000007921 spray Substances 0.000 description 19
- 230000000694 effects Effects 0.000 description 14
- 235000013311 vegetables Nutrition 0.000 description 13
- 238000005406 washing Methods 0.000 description 9
- 238000005507 spraying Methods 0.000 description 5
- 235000013399 edible fruits Nutrition 0.000 description 4
- 238000007605 air drying Methods 0.000 description 3
- 238000005096 rolling process Methods 0.000 description 2
- 238000009835 boiling Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Classifications
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
- A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
- A47J43/24—Devices for washing vegetables or the like
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C1/02—Plumbing installations for fresh water
- E03C1/08—Jet regulators or jet guides, e.g. anti-splash devices
- E03C1/084—Jet regulators with aerating means
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/40—Protecting water resources
- Y02A20/411—Water saving techniques at user level
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Food Science & Technology (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Cleaning By Liquid Or Steam (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a bubble drag reduction nozzle and a cleaning machine comprising the same, which comprises a nozzle body, wherein a water outlet cavity communicated with a water pump and an air outlet cavity communicated with an air pump are arranged in the nozzle body, at least one water outlet hole is arranged on the water outlet cavity, and at least one air outlet hole is arranged on the air outlet cavity; the cleaning machine comprises the bubble drag reduction nozzle, a water tank, a water pump and an air pump, wherein the bubble drag reduction nozzle is arranged at the bottom of the water tank, and a water outlet cavity and a gas outlet cavity in the nozzle body are respectively communicated with the water pump and the air pump which are arranged below the water tank; according to the invention, bubbles sprayed out of the air outlet holes on the nozzle body expand to form the gas-liquid mixing channel in the water bottom floating process, and water columns sprayed out of the water outlet holes are sprayed upwards through the gas-liquid mixing channel, so that impulse loss can be reduced to improve flushing capacity, a flange is formed at the upper part of the periphery of the nozzle body, and an external thread part is further arranged on the periphery of the nozzle body, so that the water tank can be conveniently and quickly installed and fixed at the bottom of the water tank through matching with the communicating piece, and the water tank is easy to maintain.
Description
Technical Field
The invention relates to the technical field of cleaning machines, in particular to a bubble drag reduction nozzle and a cleaning machine comprising the same.
Background
Chinese literature CN203802330U (filing date: 14 of 2014, 02 month) discloses a vegetable basin and a vegetable washer, wherein an air duct is provided in the vegetable basin, a plurality of air outlets are provided on the air duct, the air duct is communicated with an air pump, and the air duct is positioned on the inner bottom surface of the vegetable basin; the vegetable washing basin is also provided with a circulating spray device, and the circulating spray device comprises: an annular spray pipe and a water supply pipeline for supplying water in the vegetable basin to the annular spray pipe; the annular spray pipe is provided with a plurality of inclined spray openings, and the inclination directions of the spray openings in the circumferential direction are consistent. Through the air duct arranged on the inner bottom surface, a plurality of air outlets are arranged on the air duct, boiling water flow is formed in the washing basin, and vegetables and fruits in the washing basin are turned over; meanwhile, the circulating spraying device is further arranged, sprayed water flows are sprayed out from the spraying opening, water in the vegetable washing basin is driven to rotate, the rotating water flows drive vegetables and fruits to rotate, and the cleaning effect of the vegetables and fruits is improved. In this technical scheme, the bubble mainly plays the effect of turning, and a plurality of in the unanimous water of spraying mouth spun water of circumference direction of inclination mainly drives the water in the vegetable washing basin and rotates, spray mouthful and gas outlet are individual water spray or jet, the local pressure of bubble is little, the cleaning performance that individual bubble turned is not good, and it is in order to improve the cleaning performance to drive the water in the vegetable washing basin by spraying mouth spun water flow and rotate, spraying mouth spun water flow also can wash to a certain extent to treat the washings article, but because the rivers sprays in water and can receive great resistance, its ability of washing is restricted greatly, and then whole cleaning performance has been influenced.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides a bubble drag reduction nozzle, which mainly solves the technical problems that the existing nozzle can only jet air or jet water singly, when the existing nozzle jets water singly, the impulse loss of a water column in water is large, the flushing capability is reduced, when the existing nozzle jets air singly, the local pressure of bubbles is small, the cleaning effect is poor and the like.
Another object of the present invention is to provide a cleaning machine, which mainly solves the technical problem that the cleaning capability of the existing cleaning machine is not high.
In order to achieve the above purpose, the invention is realized by the following technical scheme:
the utility model provides a bubble drag reduction nozzle, includes the nozzle body, is equipped with the play water cavity of intercommunication water pump and the cavity of giving vent to anger of intercommunication air pump in the nozzle body, is equipped with at least one apopore on the play water cavity, is equipped with at least one venthole on the play water cavity, by venthole spun bubble expansion in-process of floating up in the water bottom formation gas-liquid mixing channel, upwards sprays reducible impulse loss in order to improve the flushing capacity through gas-liquid mixing channel by apopore spun water column.
Further, the water outlet cavity is arranged in the air outlet cavity, the lower end of the water outlet cavity is communicated with the water pump, the upper end of the water outlet cavity is provided with at least one water outlet hole, the lower end of the air outlet cavity is communicated with the air pump, the upper end of the air outlet cavity is provided with at least one air outlet hole, and the water outlet hole and the air outlet hole are both arranged at the upper end of the nozzle body.
Further, the cavity of giving vent to anger is established in the play water cavity, and the cavity lower extreme intercommunication air pump of giving vent to anger is equipped with at least one venthole in the cavity upper end of giving vent to anger, goes out water cavity lower extreme intercommunication water pump, goes out water cavity upper end and is equipped with at least one apopore, and apopore and venthole all establish the upper end at the nozzle body.
Further, the cavity of giving vent to anger sets up side by side about with the play water cavity, and play air cavity lower extreme intercommunication air pump is given vent to anger the cavity upper end and is equipped with at least one venthole, goes out water cavity lower extreme intercommunication water pump, goes out water cavity upper end and is equipped with at least one apopore, and apopore and venthole all establish the upper end at the nozzle body.
Further, the water outlet cavity is arranged in the air outlet cavity, the lower end of the water outlet cavity is communicated with the water pump, the lower end of the air outlet cavity is communicated with the air pump, and the upper ends of the water outlet cavity and the air outlet cavity are respectively provided with openings to form water outlet holes and air outlet holes.
Further, the cavity of giving vent to anger is established in the play water cavity, and the cavity lower extreme intercommunication air pump gives vent to anger, and play water cavity lower extreme intercommunication water pump all is equipped with the opening and forms venthole and apopore respectively in the upper end of cavity of giving vent to anger and play water cavity.
Further, a flange is formed at the upper part of the outer periphery of the nozzle body, and an external thread part is further arranged on the outer periphery of the nozzle body.
The cleaning machine comprises a bubble drag reduction nozzle, a water tank, a water pump and an air pump, wherein the bubble drag reduction nozzle is arranged at the bottom of the water tank, and a water outlet cavity and a gas outlet cavity in the nozzle body are respectively communicated with the water pump and the air pump which are arranged below the water tank.
Further, the cleaning machine further comprises a communicating piece, a water inlet channel and an air inlet channel are arranged in the communicating piece, and the water outlet cavity and the air outlet cavity in the nozzle body are respectively communicated with the water pump and the air pump through the water inlet channel and the air inlet channel in the communicating piece. Preferably, the water inlet channel and the air inlet channel in the communicating piece are coaxially arranged and distributed inside and outside, the air inlet channel can be arranged outside the water inlet channel, one side of the communicating piece is provided with an air inlet channel opening communicated with the air inlet channel, the bottom of the communicating piece is provided with a water inlet channel opening communicated with the water inlet channel, and the communicating piece is respectively communicated with the air pump and the water pump through the air inlet through opening and the water inlet channel opening by an air pipe and a water pipe.
Further, the upper part of the outer periphery of the nozzle body is provided with a flange, the outer periphery of the nozzle body is also provided with an external thread part, the flange of the nozzle body is in sealing contact with the bottom of the water tank, the nozzle body penetrates through the bottom of the water tank, and the nozzle body is connected with the upper end of the communicating piece through the external thread part, so that the nozzle body can be matched with the communicating piece to be clamped and fixed at the bottom of the water tank.
Further, the nozzle body and the bottom of the water tank are integrally formed, and the water outlet cavity and the air outlet cavity in the nozzle body are respectively communicated with the water pump and the air pump.
The bubble drag reduction nozzle and the cleaning machine comprising the nozzle have the following advantages:
1. when the air outlet hole on the nozzle body sprays air, a large amount of bubbles can be generated in water, the bubbles float and expand in the water, a gas-liquid mixing channel is formed by a large amount of bubbles and the water in the process of floating up, when the water column sprayed by the water outlet hole sprays upwards through the gas-liquid mixing channel, the resistance is much smaller than that when the water column sprays upwards from the water bottom alone, so that the effect of reducing drag of the bubbles is achieved, when the object to be cleaned is immersed in the water, the continuously floating bubbles can continuously play a role of rolling and cleaning the object to be cleaned, meanwhile, the water column can keep larger impulsive force, the object to be cleaned can be washed to the greatest extent, the cleaning capability and the flushing effect of the cleaning machine are greatly improved, and when the water level in the water tank of the cleaning machine is lower or the water is emptied, the water pump is stopped, so that the nozzle body does not spray water any more, the air pump is kept to work, and the air flow sprayed out from the air outlet hole can perform air drying on the object above the object to be cleaned, and the air drying function is realized.
2. The upper part of the outer periphery of the nozzle body is provided with a flange, and the outer periphery of the nozzle body is also provided with an external thread part which can be conveniently and rapidly installed and fixed at the bottom of the water tank by being matched with the communicating piece, and the maintenance is easy.
Drawings
Fig. 1 is a schematic view of a part of a nozzle body according to a first embodiment of the present invention.
Fig. 2 is a schematic view of another angle part of the nozzle body according to the first embodiment of the present invention.
Fig. 3 is a schematic view of a nozzle body according to a first embodiment of the present invention.
Fig. 4 is a schematic view of another angle structure of a nozzle body according to a first embodiment of the present invention.
Fig. 5 is a schematic view of the structure of the nozzle body and the communicating member according to the first embodiment of the present invention when they are disassembled.
Fig. 6 is a schematic structural view of the nozzle body and the communicating member according to the first embodiment of the present invention.
Fig. 7 is a front view of a washer according to a first embodiment of the present invention.
Fig. 8 is a schematic view illustrating another angle structure of a cleaning machine according to the first embodiment of the present invention.
Fig. 9 is a top view of a washer according to a first embodiment of the present invention.
Fig. 10 is a cross-sectional view A-A of fig. 9.
Fig. 11 is a schematic view of a part of the structure of a nozzle body according to a second embodiment of the present invention.
Fig. 12 is a schematic view of another angular portion of a nozzle body according to a second embodiment of the present invention.
Fig. 13 is a schematic view showing a part of another structure of a nozzle body according to the first embodiment of the present invention.
Fig. 14 is a schematic view of another angular configuration of the nozzle body of fig. 13.
Fig. 15 is a schematic view of a part of another structure of a nozzle body according to a second embodiment of the present invention.
FIG. 16 is a schematic view of another angular configuration of the nozzle body of FIG. 15.
Fig. 17 is a schematic view showing a partial structure of a nozzle body according to a third embodiment of the present invention.
Fig. 18 is a schematic view of another angular portion of a nozzle body according to a third embodiment of the present invention.
Fig. 19 is a schematic view showing a partial structure of a nozzle body according to a fourth embodiment of the present invention.
Fig. 20 is a schematic view of another angular portion of a nozzle body according to a fourth embodiment of the present invention.
Fig. 21 is a schematic view showing a part of the structure of a nozzle body according to a fifth embodiment of the present invention.
Fig. 22 is a schematic view of another angle part of the nozzle body according to the fifth embodiment of the present invention.
Description of the reference numerals:
1. the nozzle comprises a nozzle body, 11, a water outlet cavity, 12, a gas outlet cavity, 13, a flange, 14, an external thread part, 111, a water outlet hole, 121 and a gas outlet hole;
2. bubble, 3, water column, 4, water tank, 5, water pump, 51, water pipe, 6, air pump, 61, air pipe, 7, communicating piece, 71, water inlet channel, 72, air inlet channel, 8, reflux channel.
Detailed Description
The invention is further described below with reference to the drawings and examples.
Example 1
Referring to fig. 1 to 6, 10, 13 and 14, in an embodiment of the present invention, a bubble drag reduction nozzle includes a nozzle body 1, a water outlet cavity 11 connected to a water pump 5 and a water outlet cavity 12 connected to a gas pump 6 are disposed in the nozzle body 1, at least one water outlet hole 111 is disposed on the water outlet cavity 11, at least one air outlet hole 121 is disposed on the air outlet cavity 12, a gas-liquid mixing channel is formed by expanding a bubble 2 ejected from the air outlet hole 121 in a water bottom floating process, and a water column 3 ejected from the water outlet hole 111 is ejected upward through the gas-liquid mixing channel to generate a bubble drag reduction effect, so that an impulse loss of the water column 3 can be reduced to improve a flushing capability, as shown in fig. 10.
Referring to fig. 1 to 4, 13 and 14, in the preferred embodiment of the present invention, the water outlet cavity 11 and the air outlet cavity 12 may be coaxially disposed, the water outlet cavity 11 is disposed in the air outlet cavity 12, the lower end of the water outlet cavity 11 is communicated with the water pump 5, the upper end of the water outlet cavity 11 is provided with at least one water outlet hole 111, the lower end of the air outlet cavity 12 is communicated with the air pump 6, the upper end of the air outlet cavity 12 is provided with at least one air outlet hole 121, the water outlet hole 111 and the air outlet hole 121 are both disposed at the upper end of the nozzle body 1, and the air outlet hole 121 is disposed around the water outlet hole 111, so that the water column 3 ejected by the water outlet hole 111 can enter the gas-liquid mixing channel formed by the expansion of the air bubbles 2 ejected by the air outlet hole 121 in the water bottom floating process, so as to achieve the effect of air bubble drag reduction.
Referring to fig. 3 to 6, in the embodiment of the present invention, a flange 13 is formed at an upper portion of an outer circumference of the nozzle body 1, and an external thread portion 14 is further provided at the outer circumference of the nozzle body 1.
Referring to fig. 7 to 10, a cleaning machine includes a plurality of bubble drag reduction nozzles, a water tank 4, a water pump 5, an air pump 6 and a communicating member 7, wherein the bubble drag reduction nozzles are disposed at the bottom of the water tank 4, a water outlet cavity 11 and a gas outlet cavity 12 in a nozzle body 1 are respectively communicated with the water pump 5 and the air pump 6, a water inlet channel 71 and a gas inlet channel 72 are disposed in the communicating member 7, and the water outlet cavity 11 and the gas outlet cavity 12 in the nozzle body 1 are respectively communicated with the water pump 5 and the air pump 6 through the water inlet channel 71 and the gas inlet channel 72 in the communicating member 7. The water pump 5 and the air pump 6 may be disposed below the water tank 4 or may be disposed at one side of the water tank 4, and the positions of the water pump 5 and the air pump 6 are not limited in the present invention. Preferably, the water inlet channel 71 and the air inlet channel 72 in the communicating member 7 are coaxially arranged and distributed inside and outside, in this embodiment, the air inlet channel 72 is arranged outside the water inlet channel 71, one side of the communicating member 7 is provided with an air inlet channel opening communicating with the air inlet channel 72, the bottom of the communicating member 7 is provided with a water inlet channel opening communicating with the water inlet channel 71, the communicating member 7 is respectively communicated with the air pump 6 and the water pump 5 by the air pipe 61 and the water pipe 51 through the air inlet channel opening and the water inlet channel opening, and further, the air inlet channel opening and the water inlet channel opening can also adopt a universal threaded joint to realize that the air pump 6 and the water pump 5 are quickly and conveniently communicated through the air pipe 61 and the water pipe 51. The washer of the invention can be a vegetable washer, a dish washer or fruit washer or other types of washers.
Referring to fig. 3 to 6 and 10, in the embodiment of the present invention, a flange 13 is formed at the upper portion of the outer periphery of the nozzle body 1, and an external thread portion 14 is further provided on the outer periphery of the nozzle body 1, the flange 13 of the nozzle body 1 is in sealing contact with the bottom of the water tank 4, the nozzle body 1 passes through the bottom of the water tank 4, and the nozzle body 1 is connected to the upper end of the communicating member 7 through the external thread portion 14, so that the nozzle body 1 can be clamped and fixed to the bottom of the water tank 4 in cooperation with the communicating member 7.
Referring to fig. 7 to 10, it is preferable that a return passage 8 is provided at the bottom of the water tank 4 to communicate water in the water tank 4 of the water pump 5 to return to the water pump 5.
When the air outlet holes 121 spray air, a large amount of air bubbles 2 are generated in water, the air bubbles 2 expand in the water and then float upwards, a large amount of air bubbles 2 and water form a gas-liquid mixing channel in the floating process, and when the water column 3 sprayed out of the water outlet holes 111 upwards sprays out of the gas-liquid mixing channel, the resistance is much smaller than that when the water column 3 singly sprays out of the water bottom upwards, so that the effect of air bubble drag reduction is achieved, when the object to be cleaned is immersed in the water, the floating air bubbles 2 can continuously play a role of rolling and cleaning the object to be cleaned, meanwhile, the water column 3 can keep a large impact force, the object to be cleaned is washed to the maximum extent, and the cleaning capacity and the washing effect of the cleaning machine are greatly improved. When the water level in the water tank 4 of the cleaning machine is low or the water is emptied, the water pump is stopped to ensure that the nozzle body 1 does not spray water any more, but the air pump is kept working, and the air flow sprayed out of the air outlet hole 121 can air-dry the cleaned articles above the air pump to realize the air drying function.
Example two
Referring to fig. 11, 12, 15 and 16, the difference between the present embodiment and the first embodiment is that the air outlet cavity 12 and the water outlet cavity 11 may be coaxially disposed, the air outlet cavity 12 is disposed in the water outlet cavity 11, the lower end of the air outlet cavity 12 is connected to the air pump 6, the upper end of the air outlet cavity 12 is provided with at least one air outlet hole 121, the lower end of the water outlet cavity 11 is connected to the water pump 5, the upper end of the water outlet cavity 11 is provided with at least one water outlet hole 111, the water outlet holes 111 and the air outlet holes 121 are disposed at the upper end of the nozzle body 1, and the water outlet holes 111 are disposed around the air outlet holes 121, so that the water column 3 ejected from the water outlet holes 111 can enter into the air-liquid mixing channel formed by expanding the air bubbles 2 ejected from the air outlet holes 121 in the water bottom floating process, so as to achieve the air bubble drag reduction effect.
Example III
Referring to fig. 17 and 18, the difference between the present embodiment and the first embodiment is that the air outlet cavity 12 and the water outlet cavity 11 are arranged side by side, the lower end of the air outlet cavity 12 is communicated with the air pump 6, the upper end of the air outlet cavity 12 is provided with at least one air outlet hole 121, the lower end of the water outlet cavity 11 is communicated with the water pump 5, the upper end of the water outlet cavity 11 is provided with at least one water outlet hole 111, and the water outlet hole 111 and the air outlet hole 121 are both arranged at the upper end of the nozzle body 1, so that the water column 3 ejected by the water outlet hole 111 can enter the air-liquid mixing channel formed by the expansion of the air bubbles 2 ejected by the air outlet hole 121 in the water bottom floating process, thereby achieving the air bubble drag reduction effect, and improving the cleaning capability of the cleaning machine when applied to the cleaning machine.
Example IV
Referring to fig. 19 and 20, the difference between the present embodiment and the first embodiment is that the water outlet cavity 11 and the air outlet cavity 12 can be coaxially disposed, the water outlet cavity 11 is disposed in the air outlet cavity 12, the lower end of the water outlet cavity 11 is communicated with the water pump 5, the lower end of the air outlet cavity 12 is communicated with the air pump 6, the upper ends of the water outlet cavity 11 and the air outlet cavity 12 are respectively provided with openings to form the water outlet hole 111 and the air outlet hole 121, the water column 3 ejected from the water outlet hole 111 can enter the gas-liquid mixing channel formed by the expansion of the air bubble 2 ejected from the air outlet hole 121 in the water bottom floating process, so as to achieve the air bubble drag reduction effect, and the cleaning capability of the cleaning machine can be improved when the cleaning machine is applied to the cleaning machine.
Example five
Referring to fig. 21 and 22, the difference between the present embodiment and the first embodiment is that the air outlet cavity 12 and the water outlet cavity 11 can be coaxially disposed, the air outlet cavity 12 is disposed in the water outlet cavity 11, the lower end of the air outlet cavity 12 is connected to the air pump 6, the lower end of the water outlet cavity 11 is connected to the water pump 5, the upper ends of the air outlet cavity 12 and the water outlet cavity 11 are respectively provided with openings to form the air outlet hole 121 and the water outlet hole 111, and the water column 3 ejected from the water outlet hole 111 can enter the air-liquid mixing channel formed by the expansion of the air bubbles 2 ejected from the air outlet hole 121 in the water bottom floating process, so as to achieve the air bubble drag reduction effect, and the cleaning capability of the cleaning machine can be improved when the cleaning machine is applied to the cleaning machine.
Example six
The difference between the present embodiment and the first embodiment is that the nozzle body 1 and the bottom of the water tank 4 are integrally formed, the water outlet cavity 11 and the air outlet cavity 12 in the nozzle body 1 are respectively communicated with the water pump 5 and the air pump 6, the water column 3 sprayed from the water outlet hole 111 can enter the air-liquid mixing channel formed by expanding the air bubble 2 sprayed from the air outlet hole 121 in the water floating process, so as to achieve the effect of reducing the drag of the air bubble, and the cleaning capability of the cleaning machine can be improved when the cleaning machine is applied to the cleaning machine. The bubble drag reduction nozzles described in the second to fifth embodiments of the present invention may be integrally formed with the bottom of the water tank 4.
The embodiments are merely illustrative of the technical solution of the present invention, and not limiting thereof; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some of the technical features thereof can be replaced with equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention, and therefore all other embodiments obtained by those skilled in the art without making creative efforts are intended to fall within the protection scope of the present invention.
Claims (11)
1. A bubble drag reducing nozzle, characterized by: including nozzle body (1), be equipped with play water cavity (11) and the cavity of giving vent to anger (12) of intercommunication air pump (6) of intercommunication water pump (5) in nozzle body (1), be equipped with at least one apopore (111) on play water cavity (11), be equipped with at least one venthole (121) on play air cavity (12), by venthole (121) spun bubble (2) expansion formation gas-liquid mixing channel in the water bottom come-up process, upwards jet reducible impulse loss is in order to improve the flushing ability through gas-liquid mixing channel by play water column (3) of apopore (111).
2. The bubble drag reducing nozzle of claim 1, wherein: the water outlet cavity (11) is arranged in the air outlet cavity (12), the lower end of the water outlet cavity (11) is communicated with the water pump (5), at least one water outlet hole (111) is formed in the upper end of the water outlet cavity (11), the lower end of the air outlet cavity (12) is communicated with the air pump (6), at least one air outlet hole (121) is formed in the upper end of the air outlet cavity (12), and the water outlet hole (111) and the air outlet hole (121) are formed in the upper end of the nozzle body (1).
3. The bubble drag reducing nozzle of claim 1, wherein: the utility model discloses a jet nozzle is characterized in that the cavity of giving vent to anger (12) is established in the cavity of giving vent to anger (11), and cavity of giving vent to anger (12) lower extreme intercommunication air pump (6), cavity of giving vent to anger (12) upper end are equipped with at least one venthole (121), and cavity of giving vent to anger (11) lower extreme intercommunication water pump (5), and cavity of giving vent to anger (11) upper end is equipped with at least one apopore (111), and apopore (111) and venthole (121) all establish the upper end at nozzle body (1).
4. The bubble drag reducing nozzle of claim 1, wherein: the utility model discloses a jet nozzle is characterized by comprising a nozzle body (1), an air outlet cavity (12) and a water outlet cavity (11), wherein the air outlet cavity (12) and the water outlet cavity (11) are arranged side by side from side to side, the lower end of the air outlet cavity (12) is communicated with an air pump (6), the upper end of the air outlet cavity (12) is provided with at least one air outlet hole (121), the lower end of the water outlet cavity (11) is communicated with a water pump (5), the upper end of the water outlet cavity (11) is provided with at least one water outlet hole (111), and the water outlet hole (111) and the air outlet hole (121) are all arranged at the upper end of the nozzle body (1).
5. The bubble drag reducing nozzle of claim 1, wherein: the water outlet cavity (11) is arranged in the air outlet cavity (12), the lower end of the water outlet cavity (11) is communicated with the water pump (5), the lower end of the air outlet cavity (12) is communicated with the air pump (6), and the upper ends of the water outlet cavity (11) and the air outlet cavity (12) are respectively provided with openings to form a water outlet hole (111) and an air outlet hole (121).
6. The bubble drag reducing nozzle of claim 1, wherein: the air outlet cavity (12) is arranged in the water outlet cavity (11), the lower end of the air outlet cavity (12) is communicated with the air pump (6), the lower end of the water outlet cavity (11) is communicated with the water pump (5), and the upper ends of the air outlet cavity (12) and the water outlet cavity (11) are respectively provided with openings to form an air outlet hole (121) and a water outlet hole (111).
7. The bubble drag reducing nozzle of any one of claims 1 to 6, wherein: a flange (13) is formed at the upper part of the outer periphery of the nozzle body (1), and an external thread part (14) is further arranged on the outer periphery of the nozzle body (1).
8. A cleaning machine, characterized in that: the air bubble drag reduction nozzle comprises the air bubble drag reduction nozzle according to any one of claims 1 to 6, a water tank (4), a water pump (5) and an air pump (6), wherein the air bubble drag reduction nozzle is arranged at the bottom of the water tank (4), and a water outlet cavity (11) and a gas outlet cavity (12) in the nozzle body (1) are respectively communicated with the water pump (5) and the air pump (6).
9. The cleaning machine of claim 8, wherein: the cleaning machine further comprises a communicating piece (7), a water inlet channel (71) and an air inlet channel (72) are arranged in the communicating piece (7), and a water outlet cavity (11) and an air outlet cavity (12) in the nozzle body (1) are respectively communicated with the water pump (5) and the air pump (6) through the water inlet channel (71) and the air inlet channel (72) in the communicating piece (7).
10. The cleaning machine of claim 9, wherein: the upper part of the periphery of the nozzle body (1) is provided with a flange (13), the periphery of the nozzle body (1) is also provided with an external thread part (14), the flange (13) of the nozzle body (1) is in sealing contact with the bottom of the water tank (4), the nozzle body (1) penetrates through the bottom of the water tank (4), and the nozzle body (1) is connected with the upper end of the communicating piece (7) through the external thread part (14) so that the nozzle body (1) can be matched with the communicating piece (7) to be clamped and fixed at the bottom of the water tank (4).
11. The cleaning machine of claim 8, wherein: the water outlet cavity (11) and the air outlet cavity (12) in the nozzle body (1) are respectively communicated with the water pump (5) and the air pump (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811007350.5A CN108814351B (en) | 2018-08-31 | 2018-08-31 | Bubble drag reduction nozzle and cleaning machine comprising same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811007350.5A CN108814351B (en) | 2018-08-31 | 2018-08-31 | Bubble drag reduction nozzle and cleaning machine comprising same |
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| CN108814351B true CN108814351B (en) | 2023-09-26 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111407205B (en) * | 2019-01-07 | 2025-02-14 | 宁波方太厨具有限公司 | A spray arm and a cleaning machine using the spray arm |
| CN110123230B (en) * | 2019-06-11 | 2024-07-19 | 厦门米海智能科技有限公司 | Overflow box and water tank type cleaning machine comprising same |
| CN113827157B (en) * | 2020-06-23 | 2024-08-06 | 青岛云芽智家科技有限公司 | Base for cleaning machine and cleaning machine |
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| CN108814351A (en) | 2018-11-16 |
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