CN213996987U

CN213996987U - Water inlet structure and cleaning machine with same

Info

Publication number: CN213996987U
Application number: CN202022221320.3U
Authority: CN
Inventors: 姚永磊; 郑峰
Original assignee: Ningbo Fotile Kitchen Ware Co Ltd
Current assignee: Ningbo Fotile Kitchen Ware Co Ltd
Priority date: 2020-09-30
Filing date: 2020-09-30
Publication date: 2021-08-20
Anticipated expiration: 2030-09-30

Abstract

The utility model relates to a structure of intaking and applied cleaning machine that has this structure of intaking, the structure of intaking includes the inlet channel, the at least part of inlet channel is shaped into the first toper section that links up in proper order along the rivers direction, the direct current section, second toper section, first toper section internal diameter constantly reduces along the rivers direction, second toper section internal diameter constantly increases along the rivers direction, it has the suction hole that communicates with the direct current section to open on the lateral wall of inlet channel, the top of inlet channel has the backpressure chamber that is located second toper section, it has the apopore that is linked together with the backpressure chamber to open on the lateral wall of inlet channel. The utility model discloses the venturi structure that utilizes first toper section, direct current section, second toper section to form inhales the inlet channel with the outside air from the air vent, and the air that gets into in the inlet channel sharply releases in the back pressure chamber with water at the end of second toper section to produce micro-nano bubble, the utility model has the advantages of simple and reasonable structure, can the passive form generate micro-nano bubble to improve the cleaning performance.

Description

Water inlet structure and cleaning machine with same

Technical Field

The utility model relates to a structure of intaking and applied cleaning machine that has this structure of intaking.

Background

With the gradual maturity of micro-nano bubble cleaning technology, the application in the field of household appliances becomes wider.

In the field of industrial application, the nano-sized bubbles refer to fine bubbles of 1000nm or less in a liquid, bubbles of 1 to 100 μm are referred to as fine bubbles, and bubbles of 100 μm or more are referred to as normal bubbles. Compared with common bubbles, the micro-nano bubbles have the characteristics of long existence time, high surface energy, negative surface charge, high gas-liquid mass transfer rate and spontaneous generation of free radicals in water, so that the micro-nano bubbles have the functions of oxygenation, sterilization, disinfection, washing, decontamination, water purification, organic matter degradation and the like. Due to the functions of the micro-nano bubbles, the micro-nano bubbles have a wide market prospect in the fields of washing and health, such as washing, decontamination and descaling, skin cleaning, drinking water oxygenation, vegetable and fruit cleaning, tooth descaling and the like.

At present, there are four main methods for generating micro-nano bubbles: ultrasonic cavitation, hydrodynamic cavitation, optical cavitation and particle cavitation, wherein hydrodynamic cavitation equipment is simple in requirement and is a common method for generating micro-nano bubbles. For example, similar structures are disclosed in the Chinese patent application with application publication No. CN104803467A, namely, a micro-nano ozone bubble device (application No. CN201510199198.5), the Chinese patent application with application publication No. CN108842384A, namely, a micro-nano aeration-based washing machine filtering device (application No. CN201810907234.2), and the like. Above-mentioned current micro-nano bubble generating device adopts the air pump to provide the power supply most and sneaks into the air, and the air carries out intensive mixing with water and dissolves the back, and release pressure is in order to obtain the higher micro-nano bubble of concentration again, and the realization structure of this mode is relatively more complicated, with high costs, and need rely on the circuit to control, and the reliability is relatively poor.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the first technical problem that will solve is the current situation to prior art, thereby provides one kind and can generate micro-nano bubble of passive formula and simplify equipment structure, reduce cost and improve the water inlet structure of reliability.

The utility model discloses the second technical problem that will solve is to prior art's current situation, provides an use the cleaning machine that has above-mentioned water inlet structure.

The utility model provides a technical scheme that at least one above-mentioned technical problem adopted does: the utility model provides a water inlet structure, includes the inlet channel, its characterized in that: this inlet channel's at least part takes shape for first toper section, direct current section, the second toper section that links up in proper order along the rivers direction, first toper section internal diameter constantly reduces along the rivers direction second toper section internal diameter constantly increases along the rivers direction, it has the suction opening that communicates with the direct current section to open on the lateral wall of inlet channel, the top of inlet channel has the backpressure chamber that is located the second toper section, it has the apopore that is linked together with the backpressure chamber to open on the lateral wall of inlet channel.

Preferably, the inner wall of the back pressure cavity is shaped into an inverted bowl structure, and the inner end surface of the bowl structure is arranged corresponding to the output end of the second conical section. The back pressure cavity is used for bearing certain pressure, so that water flow upstream of the back pressure cavity can flow along the pipeline and then be fully mixed with air, and micro-nano bubble water with high concentration is generated.

Preferably, the water outlet is located on the side wall of the bowl-shaped back pressure cavity, the water outlet is gradually inclined from top to bottom along the water flow direction, and the input end of the water outlet is in smooth transition with the inner wall of the back pressure cavity. The structure is beneficial to reducing energy loss and maintaining higher micro-nano bubble concentration.

Preferably, the output end of the second conical section is covered with a filter screen, the mesh number of the filter screen is 250-350, and the aperture of the filter screen is 40-50 μm. This filter screen structure can be sheared rivers, is favorable to improving micro-nano bubble concentration.

Preferably, the cross-sectional area of the water outlet hole is 80% -90% of the water outlet area of the filter screen. The structure is beneficial to ensuring the pressure bearing of the back pressure cavity, and can also stabilize the bubbles as much as possible and is not easy to dissipate.

In the utility model, the diameter of the air suction hole is 1-1.5 mm, and the diameter of the direct current section is 2-3 mm; the length of the first conical section and the length of the second conical section are both 10-15 mm, the minimum aperture is 2-3 mm, and the maximum aperture is 8-10 mm.

The cleaning machine with the water inlet structure comprises a box body, wherein a water inlet is formed in the box body, and the water inlet is connected with a water outlet hole of the water inlet structure.

Compared with the prior art, the utility model has the advantages of: the utility model discloses the venturi structure that utilizes first toper section, direct current section, second toper section to form inhales the inlet channel with the outside air from the air vent, and the air that gets into in the inlet channel sharply releases in the back pressure chamber with water at the end of second toper section to produce micro-nano bubble, the utility model has the advantages of simple and reasonable structure, can the passive form generate micro-nano bubble to improve the cleaning performance.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a cross-sectional view of fig. 1.

Detailed Description

The present invention will be described in further detail with reference to the following embodiments.

As shown in fig. 1 and 2, the water inlet structure of the present embodiment includes a water inlet pipe 1, a part of the water inlet pipe 1 is formed into a first tapered section 11, a straight section 12, and a second tapered section 13 which are sequentially connected along a water flow direction, an inner diameter of the first tapered section 11 continuously decreases along the water flow direction, an inner diameter of the second tapered section 13 continuously increases along the water flow direction, and a suction hole 14 communicated with the straight section 12 is opened on a side wall of the water inlet pipe 1. The top of the water inlet pipeline 1 is provided with a back pressure cavity 15 positioned on the second conical section 13, and the side wall of the water inlet pipeline 1 is provided with a water outlet hole 16 communicated with the back pressure cavity 15.

Specifically, the inner wall of the back pressure cavity 15 is shaped into an inverted bowl structure, and the inner end surface of the bowl structure is arranged corresponding to the output end of the second conical section 13. The back pressure cavity 15 is used for bearing certain pressure, so that water flow upstream of the back pressure cavity can flow along the pipeline and then be fully mixed with air, and micro-nano bubble water with high concentration can be generated.

Above-mentioned apopore 16 is located the lateral wall in bowl form backpressure chamber 15, and apopore 16 inclines gradually along rivers direction top-down, rounding off between the input of apopore 16 and the 15 inner walls in backpressure chamber. The structure is beneficial to reducing energy loss and maintaining higher micro-nano bubble concentration.

The output end of the second conical section 13 is covered with a screen 17, the mesh number of the screen 17 is 300, and the aperture of the screen 17 is about 45 μm. This filter screen 17 structure can be cut rivers, is favorable to improving micro-nano bubble concentration. The cross section area of the water outlet hole 16 is 80% -90% of the water outlet area of the filter screen 17, and the structure is beneficial to ensuring the pressure bearing of the back pressure cavity 15, enables bubbles to be stable as much as possible and is not easy to dissipate.

In the embodiment, the aperture of the air suction hole 14 is 1-1.5 mm, and the diameter of the direct current section 12 is 2-3 mm; the lengths of the first conical section 11 and the second conical section 13 are both 10-15 mm, the minimum aperture is 2-3 mm, and the maximum aperture is 8-10 mm. Experiments prove that the parameters are adopted, so that air flow matched with water flow can be sucked into the water inlet pipeline 1, and micro-nano bubble water with proper concentration can be generated.

The cleaning machine that has above-mentioned inlet structure is used to this embodiment includes the box, and it has the water inlet to open on this box, this water inlet with inlet structure's apopore is connected. The water inlet structure of the present embodiment is integrated with the water overflow structure 2 of the side of the washer tank.

The embodiment utilizes the venturi structure that first toper section 11, direct current section 12, second toper section 13 formed to inhale inlet channel 1 with the ambient air from air suction hole 14, and the air that gets into in inlet channel 1 and water sharply release in back pressure chamber 15 at the end of second toper section 13 to produce micro-nano bubble, this embodiment simple structure is reasonable, can the passive form generate micro-nano bubble, thereby improves the cleaning performance.

Claims

1. A water inlet structure comprises a water inlet pipeline (1), and is characterized in that: this at least part of inlet channel (1) is formed for first toper section (11), direct current section (12), second toper section (13) that link up in proper order along the rivers direction, first toper section (11) internal diameter constantly reduces along the rivers direction second toper section (13) internal diameter constantly increases along the rivers direction, it has suction hole (14) that are linked together with direct current section (12) to open on the lateral wall of inlet channel (1), the top of inlet channel (1) has back pressure chamber (15) that are located second toper section (13), it has apopore (16) that are linked together with back pressure chamber (15) to open on the lateral wall of inlet channel (1).

2. The water intake structure of claim 1, wherein: the inner wall of the back pressure cavity (15) is shaped into an inverted bowl-shaped structure, and the inner end face of the bowl-shaped structure is arranged corresponding to the output end of the second conical section (13).

3. The water intake structure of claim 2, wherein: the water outlet (16) is positioned on the side wall of the bowl-shaped back pressure cavity (15), the water outlet (16) gradually inclines from top to bottom along the water flow direction, and the input end of the water outlet (16) is in smooth transition with the inner wall of the back pressure cavity (15).

4. A water intake structure according to claim 1, 2 or 3, wherein: the output end of the second conical section (13) is covered with a filter screen (17), the mesh number of the filter screen (17) is 250-350, and the aperture of the filter screen (17) is 40-50 mu m.

5. The water intake structure of claim 4, wherein: the cross sectional area of the water outlet hole (16) is 80-90% of the water outlet area of the filter screen (17).

6. A water intake structure according to claim 1, 2 or 3, wherein: the aperture of the air suction hole (14) is 1-1.5 mm, and the diameter of the direct current section (12) is 2-3 mm; the length of the first conical section (11) and the length of the second conical section (13) are both 10-15 mm, the minimum aperture is 2-3 mm, and the maximum aperture is 8-10 mm.

7. A cleaning machine with the water inlet structure of any one of claims 1 to 6, comprising a box body, wherein the box body is provided with a water inlet which is connected with a water outlet hole (16) of the water inlet structure.