CN116951489A - Flow dividing structure and range hood with flow dividing structure - Google Patents

Abstract

The application belongs to the technical field of range hoods, and particularly discloses a split-flow structure and a range hood with the split-flow structure. The flow dividing structure is connected with the nozzle assembly, the nozzle assembly comprises a spray hole, the spray hole is used for spraying pressure cleaning liquid, the flow dividing structure comprises a flow dividing wheel, the flow dividing wheel comprises a disc body and a plurality of flow dividing blades provided with flow dividing surfaces, the disc body is rotatably connected with the nozzle assembly, the flow dividing blades are circumferentially arranged on the disc body and surround the spray hole to form a flow dividing surface which is opposite to the spray hole in the rotating process; when the flow dividing blade rotates to be opposite to the spray hole, an included angle formed by the flow dividing surface and the spray direction of the spray hole is an acute angle. The diversion structure disclosed by the application can rotationally divert the pressure cleaning fluid so as to comprehensively and three-dimensionally spray and clean the objects to be cleaned, and has the advantages of large coverage area and good cleaning effect; the range hood with the flow dividing structure can comprehensively and effectively clean the wind wheel.

Description

Flow dividing structure and range hood with flow dividing structure

Technical Field

The application relates to the technical field of range hoods, in particular to a flow dividing structure and a range hood with the flow dividing structure.

Background

In some cleaning devices, a cleaning nozzle is often used to spray cleaning liquid onto an object to be cleaned, the cleaning nozzle sprays the cleaning liquid onto the object to be cleaned, and the cleaning liquid can dissolve stains on the surface of the object to be cleaned, so that a cleaning effect is achieved. In the prior art, a common cleaning nozzle generally adopts a single spray point to spray cleaning liquid out in a straight line, the cleaning nozzle sprays the cleaning liquid on a certain point of an object to be cleaned, and the cleaning liquid is soaked and diffused to the surrounding surface from the point. However, due to single point location, the spraying coverage area of the object to be cleaned is insufficient, and the immersion and diffusion area of the cleaning liquid is limited, the cleaning nozzle for single-point spraying often causes insufficient cleaning, and particularly for some greasy dirt with strong adhesion or part of dead angle structures on the object to be cleaned, the cleaning is more difficult.

Disclosure of Invention

The application aims to provide a diversion structure which can divert pressure cleaning fluid so as to comprehensively and three-dimensionally spray and clean objects to be cleaned, and has the advantages of large cleaning coverage area and good cleaning effect.

The technical problems are solved by the following technical scheme:

in one aspect, a diverter structure is provided, coupled to a nozzle assembly, the nozzle assembly including an orifice configured to eject a pressurized cleaning fluid, the diverter structure comprising:

the flow dividing wheel comprises a disc body and a plurality of flow dividing blades provided with flow dividing surfaces, the disc body is rotatably connected with the nozzle assembly, the flow dividing blades are circumferentially arranged on the disc body and encircle the spray holes to form the flow dividing surfaces which are opposite to the spray holes in the rotating process; when the flow dividing blade rotates to be opposite to the spray hole, an included angle formed by the flow dividing surface and the spray direction of the spray hole is an acute angle.

Compared with the background technology, the split-flow structure has the beneficial effects that: the application relates to a flow dividing structure, which comprises a flow dividing wheel with flow dividing blades, wherein the flow dividing surface of the flow dividing blade can correspond to the spray holes of a nozzle assembly, pressure cleaning liquid sprayed out of the spray holes has certain pressure and flow velocity, and when the spray holes correspond to the flow dividing surface of the flow dividing blade, the pressure cleaning liquid pushes the flow dividing blade, so that the flow dividing wheel rotates; moreover, the included angle formed by the diversion surface and the jet direction of the jet orifice is an acute angle, and the action area of the pressure cleaning liquid jetted from the jet orifice on the diversion surface is larger, so that the applied thrust is larger; the rotating diverting wheel throws out the pressure cleaning fluid sprayed on the diverting blade to form planar spray, which increases the coverage of the pressure cleaning fluid on the object to be cleaned. The spray holes continuously spray the pressure cleaning liquid to act on the splitter blades, the splitter wheels continuously rotate, the pressure cleaning liquid is diffused to a larger coverage area, and the situation that partial dead angles on objects to be cleaned cannot be sprayed is avoided. The pressure cleaning liquid is used for soaking the greasy dirt on the surface of the object to be cleaned, the object to be cleaned is comprehensively and three-dimensionally cleaned, the cleaning coverage area is large, the cleaning structure is simple, and the cleaning effect is good.

In one embodiment, the splitter blades are perpendicular to the disk, and an included angle between the splitter blades and a radial direction of the disk is an acute angle.

In one embodiment, a plurality of the splitter blades are distributed at intervals along the circumferential direction of the disk body, and a splitter channel is formed between adjacent splitter blades and is communicated with the spray hole.

In one embodiment, the plurality of splitter blades are uniformly distributed along the circumferential direction of the disc body at intervals, and included angles formed by the plurality of splitter blades and the radial direction of the disc body are the same.

In one embodiment, the radial angle between the splitter vane and the disk is 25 ° -45 °.

In one embodiment, the center of the splitter wheel is spaced from the center of gravity of the splitter wheel.

In one embodiment, the flow dividing structure further comprises a rotation assisting component, the rotation assisting component comprises a first rotation assisting piece and a second rotation assisting piece, the first rotation assisting piece and the second rotation assisting piece are arranged on one side, away from the flow dividing blades, of the tray body, the first rotation assisting piece protrudes out of the tray body, and the second rotation assisting piece is concave in the tray body.

On the other hand, provide the range hood with reposition of redundant personnel structure, including advancing cigarette passageway subassembly and nozzle assembly, advance cigarette passageway subassembly and include wind cabinet body, wind wheel and conveyer pipe, the wind wheel rotationally sets up in the wind cabinet is internal, the wind wheel is provided with the wind chamber, the conveyer pipe is used for carrying pressure cleaning liquid, the range hood still includes as above reposition of redundant personnel structure, reposition of redundant personnel structure set up in the wind chamber, and connect the nozzle assembly, the nozzle assembly intercommunication the conveyer pipe.

Compared with the background technology, the range hood with the flow dividing structure has the following beneficial effects: the range hood with the flow dividing structure has the flow dividing structure, the flow dividing wheel is provided with the plurality of flow dividing blades which can correspond to the spray holes, the pressure cleaning liquid sprayed by the spray holes of the nozzle assembly acts on the flow dividing surface to push the flow dividing blades to enable the flow dividing wheel to rotate, the rotating flow dividing wheel throws the pressure cleaning liquid sprayed on the flow dividing blades out to cover different position areas along the radial circumference on the wind wheel, and the comprehensive and three-dimensional cleaning of the wind wheel can be realized without rotating the wind wheel. More preferably, according to the different types of structure and oil smoke particulate matters of wind wheel, the pressure of the pressure cleaning liquid in the conveyer pipe is adjustable to adjust the coverage area of the pressure cleaning liquid thrown out by the diverting wheel, avoid partial dead angle on the wind wheel unable to be sprayed, guarantee the comprehensive cleaning of the wind wheel.

In one embodiment, the range hood with the flow dividing structure further comprises:

the shell is connected to the smoke inlet channel component and is positioned in the air cavity, the shell is provided with a liquid inlet hole and a containing cavity which are mutually communicated, the liquid inlet hole is communicated with the conveying pipe, one end of the nozzle component is arranged in the containing cavity, the other end of the nozzle component extends out of the containing cavity and is connected with the flow dividing wheel, and the nozzle component is communicated with the conveying pipe through the liquid inlet hole;

the elastic piece is connected between the shell and the nozzle assembly and has an original state and a compressed state, and the elastic piece and the pressure cleaning liquid can enable the nozzle assembly to drive the flow dividing wheel to reciprocate along the axial direction of the shell;

the lower cover is connected to the other end of the nozzle assembly, a containing groove is formed in one end, away from the containing cavity, of the shell, and when the elastic piece is in an original state, the lower cover seals the containing groove.

In one embodiment, the splitter wheel and the wind wheel are coaxially arranged.

Drawings

Fig. 1 is a schematic structural diagram of a shunt structure according to an embodiment of the present application;

FIG. 2 is a schematic structural diagram of a splitter wheel according to an embodiment of the present application;

FIG. 3 is a top view of a diverter wheel according to an embodiment of the present application;

fig. 4 is a schematic view of a part of a range hood with a split-flow structure according to an embodiment of the present application;

fig. 5 is a schematic diagram illustrating a partial structure of a range hood with a split-flow structure according to an embodiment of the present application;

FIG. 6 is a cross-sectional view of a flow dividing structure and a nozzle assembly provided in an embodiment of the present application;

FIG. 7 is a second cross-sectional view of a flow diversion structure and nozzle assembly provided in an embodiment of the present application;

fig. 8 is a schematic diagram illustrating a split flow structure and a nozzle assembly according to an embodiment of the present application.

Description of the reference numerals:

1. a housing; 11. a liquid inlet hole; 12. a receiving chamber; 13. an upper housing; 14. a lower housing; 141. a guide hole; 142. a receiving groove; 15. a lower cover;

2. a nozzle assembly; 21. a spray hole; 22. an elastic member; 23. a hydraulic movable plug; 231. a pressure-bearing groove; 2311. a pressure-bearing end face; 232. a guide chamber; 233. a clamping groove; 24. a shunt seat; 241. a fixing member; 2411. a connecting groove; 242. a flow guide; 2421. a diversion channel; 2422. a diversion inclined plane; 2423. a connecting piece; 2424. a slot; 243. a deflector; 2431. gear shaping; 25. a clamping plate; 26. a sealing gasket; 27. a seal ring; 28. a guide cover; 281. a deflector aperture;

3. a diverting wheel; 30. a shunt channel; 31. a tray body; 32. a splitter blade; 321. a split surface; 33. a first rotation-assisting member; 34. a second rotation-assisting member;

100. a smoke inlet channel component; 101. a wind cabinet body; 102. a wind wheel; 1021. a wind chamber; 103. a delivery tube; 104. an air inlet net; 105. and a motor.

Detailed Description

The following description of the embodiments of the present application will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.

In the description of the present application, it should be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application.

The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first", "a second", and "a third" may explicitly or implicitly include one or more such feature. In the description of the present application, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.

As shown in fig. 1-3, the embodiment of the present application provides a flow dividing structure, the flow dividing structure is connected to the nozzle assembly 2, the nozzle assembly 2 includes a nozzle hole 21, the nozzle hole 21 is used for spraying the pressure cleaning liquid, and the embodiment of the present application does not limit the composition and the working pressure of the pressure cleaning liquid. The flow dividing structure comprises a flow dividing wheel 3, the flow dividing wheel 3 comprises a disc body 31 and a plurality of flow dividing blades 32 provided with flow dividing surfaces 321, the disc body 31 is rotatably connected with the nozzle assembly 2, the flow dividing blades 32 are circumferentially arranged on the disc body 31 and surround the spray holes 21 to form the flow dividing surfaces 321 which are opposite to the spray holes 21 in the rotating process; when the flow dividing surface 321 of the flow dividing vane 32 rotates to be opposite to the nozzle 21, an included angle formed by the flow dividing surface 321 and the injection direction of the nozzle 21 is an acute angle. It can be understood that the pressure cleaning solution sprayed from the spray hole 21 has a certain pressure and a certain flow velocity, when the spray hole 21 corresponds to the flow dividing surface 321 of the flow dividing blade 32, the included angle formed by the flow dividing surface 321 and the spray direction of the spray hole 21 is an acute angle, so that the sprayed pressure cleaning solution acts on the flow dividing surface 321 to push the flow dividing blade 32, so that the flow dividing wheel 3 rotates; in addition, the sharp angle arrangement makes the area of the pressure cleaning liquid sprayed from the spray hole 21 on the diversion surface 321 larger, so that the applied thrust is larger. The rotating diverting wheel 3 throws out the pressure cleaning fluid sprayed on the diverting blades 32 to form planar spray, which increases the coverage of the pressure cleaning fluid on the object to be cleaned. The spray holes 21 continuously spray the pressure cleaning liquid to act on the splitter blades 32, the splitter wheel 3 continuously rotates and diffuses the pressure cleaning liquid to a larger coverage area, so that partial dead angles on the object to be cleaned are prevented from being sprayed. The pressure cleaning liquid is used for soaking the greasy dirt on the surface of the object to be cleaned, the object to be cleaned is comprehensively and three-dimensionally cleaned, the cleaning coverage area is large, the cleaning structure is simple, and the cleaning effect is good.

Specifically, in the embodiment of the present application, the splitter vane 32 is perpendicular to the disk 31, and an included angle is formed between the splitter vane 32 and the radial direction of the disk 31, and the included angle is an acute angle. The axis of orifice 21 is the level setting, and runner blade 32 erects to set up on disk body 31, and has the contained angle with the radial line of disk body 31, and this contained angle is the acute angle, so, can guarantee to have the acute angle contained angle between runner face 321 on the runner blade 32 and the axis of orifice 21, and the thrust that pressure cleaning fluid applys to runner blade 32 is bigger. In other embodiments, according to the axial angle of the nozzle 21, the inclination angle of the splitter blade 32 with respect to the radial direction of the disk 31 is further adjusted, and the splitter blade 32 may not be perpendicular to the disk 31, which is not limited to the embodiment.

Preferably, the plurality of splitter blades 32 are distributed at intervals along the circumferential direction of the disk 31, so that the splitter wheel 3 can rotate continuously; a diversion channel 30 is formed between the adjacent diversion blades 32, the diversion channel 30 is communicated with the spray holes 21, the pressure cleaning fluid sprayed on the diversion blades 32 by the spray holes 21 is thrown out of the diversion wheel 3 along the diversion channel, and the diversion channel 30 forms certain limit on the pressure cleaning fluid, so that the pressure cleaning fluid is prevented from splashing.

Further, the plurality of splitter blades 32 are uniformly distributed along the circumferential direction of the disk 31 at intervals, and the included angles formed by the plurality of splitter blades 32 and the radial direction of the disk 31 are the same; when the plurality of spray holes 21 are formed, the plurality of flow dividing blades 32 can bear the impact of the pressure cleaning fluid at the same time, because the radial included angles of the plurality of flow dividing blades 32 and the disc body 31 are the same, the flow dividing blades 32 push the disc body 31 in the same direction, and the plurality of flow dividing blades 32 can simultaneously rotate the disc body 31 clockwise or simultaneously rotate the disc body 31 anticlockwise, so that the normal rotation of the disc body 31 is ensured, and the interference of the pushing force among the plurality of flow dividing blades 32 is avoided.

Further, the radial angle between the splitter vane 32 and the disk 31 is 25 ° -45 °, as shown in fig. 3, where the angle α is the radial angle between the splitter vane 32 and the disk 31. The splitter blades 32 are arranged at an angle of 25-45 degrees, so that more pressure cleaning liquid acts on the splitter blades 32, and the pressure cleaning liquid exerts greater thrust on the splitter blades 32, thereby facilitating the rotation of the disk 31.

As a preferable scheme, the center of the diverter wheel 3 and the center of gravity of the diverter wheel 3 are arranged at intervals, it can be understood that the center of the diverter wheel 3 is a rotation center, the center of gravity of the diverter wheel 3 is a mass center, and when the center of the diverter wheel 3 and the center of gravity of the diverter wheel 3 are not concentric, the thrust of the pressure cleaning fluid acting on the disc 31 through the diverter blade 32 is easily dispersed, so that the diverter wheel 3 is easier to rotate. The center of the diverting wheel 3 and the center of gravity of the diverting wheel 3 may be formed asymmetrically by the shape of the diverting wheel 3, or may be formed by uneven mass distribution inside the diverting wheel 3, which is not limited in the embodiment of the present application.

Specifically, the diverter wheel 3 according to the embodiment of the present application further includes a rotation assisting component, where the rotation assisting component includes a first rotation assisting member 33 and a second rotation assisting member 34, the first rotation assisting member 33 and the second rotation assisting member 34 are disposed on a side of the disc 31 facing away from the diverter blade 32, the first rotation assisting member 33 protrudes from the disc 31, and the second rotation assisting member 34 is concave in the disc 31. The first rotation assisting piece 33 and the second rotation assisting piece 34 are symmetrically arranged on the disc body 31, the first rotation assisting piece 33 protrudes out of one side of the disc body 31, which is away from the splitter blade 32, and the second rotation assisting piece 34 is concave in one side of the disc body 31, which is away from the splitter blade 32. In the embodiment of the present application, the first rotation assisting member 33 is a bump on the surface of the disc 31, and the second rotation assisting member 34 is a groove on the surface of the disc 31, and the specific shapes of the first rotation assisting member 33 and the second rotation assisting member 34 are not limited in this embodiment. The first rotation assisting piece 33 and the second rotation assisting piece 34 can increase the asymmetry of the split-flow wheel 3, so that the center and the gravity center of the split-flow wheel 3 are arranged at intervals; when the pressurized cleaning fluid is sprayed on the splitter vane 32, the asymmetrical splitter wheel 3 is more easily rotated, avoiding the splitter wheel 3 from remaining stationary while maintaining a balanced state.

The embodiment of the application also provides a range hood with the flow dividing structure, the range hood comprises a smoke inlet channel assembly 100 and a nozzle assembly 2, as shown in fig. 4 and 5, the smoke inlet channel assembly 100 comprises a wind cabinet body 101, a wind wheel 102 and a conveying pipe 103, the wind wheel 102 is rotatably arranged in the wind cabinet body 101, the wind wheel 102 is provided with a wind cavity 1021, the conveying pipe 103 is used for conveying pressure cleaning liquid, the smoke inlet channel assembly 100 also comprises a motor 105, and the motor 105 is used for driving the wind wheel 102 to rotate to generate negative pressure so as to extract oil smoke; therefore, more soot particles are often accumulated on the wind wheel 102, and frequent cleaning is required.

The range hood according to the embodiment of the application further comprises the above-mentioned flow dividing structure, wherein the flow dividing structure is arranged in the air chamber 1021 and is connected with the nozzle assembly 2, and the nozzle assembly 2 is communicated with the conveying pipe 103. Specifically, the nozzle assembly 2 is connected to the wind cabinet body 101 and disposed in the wind chamber 1021, and the liquid inlet 11 of the nozzle assembly 2 is communicated with the conveying pipe 103. The splitter wheel 3 is provided with a plurality of splitter blades 32 which can correspond to the spray holes 21, the pressure cleaning liquid sprayed by the spray holes 21 of the nozzle assembly 2 pushes the splitter blades 32 to enable the splitter wheel 3 to rotate, the rotating splitter wheel 3 throws out the pressure cleaning liquid sprayed on the splitter blades 32 to cover different radial circumferential position areas on the wind wheel 102, and the comprehensive and three-dimensional cleaning of the wind wheel 102 can be realized without rotating the wind wheel 102. More preferably, according to different structures of the wind wheel 102 and types of the oil smoke particles, the pressure of the pressure cleaning fluid in the conveying pipe 103 is adjustable, so that the coverage area of the pressure cleaning fluid thrown out by the flow dividing wheel 3 is adjusted, the situation that partial dead angles on the wind wheel 102 cannot be sprayed is avoided, and the comprehensive cleaning of the wind wheel 102 is ensured.

Preferably, the range hood with the flow dividing structure further includes a housing 1, an elastic member 22, and a lower cover 15. The casing 1 is connected in advance cigarette passageway subassembly 100, and be located wind chamber 1021, casing 1 is provided with feed liquor hole 11 and the holding chamber 12 of mutual intercommunication, feed liquor hole 11 intercommunication conveyer pipe 103, the one end of nozzle assembly 2 sets up in the holding chamber 12, the other end of nozzle assembly 2 stretches out the holding chamber 12 and connects the reposition of redundant personnel wheel 3, nozzle assembly 2 communicates conveyer pipe 103 through feed liquor hole 11, feed liquor hole 11 is used for leading-in pressure washing liquid, pressure washing liquid gets into the holding chamber 12 through feed liquor hole 11. The elastic member 22 is connected between the housing 1 and the nozzle assembly 2, and the elastic member 22 has an original state and a compressed state, and the elastic member 22 and the pressurized cleaning fluid can make the nozzle assembly 2 drive the diverter wheel 3 to reciprocate along the axial direction of the housing 1. The lower cover 15 is connected to the other end of the nozzle assembly 2, and the housing 1 has a receiving groove 142 at one end facing away from the receiving cavity 12, and when the elastic member 22 is in the original state, the lower cover 15 closes the receiving groove 142.

Specifically, at least one spray hole 21 is arranged at one end of the nozzle assembly 2, which can extend out of the accommodating cavity 12, the spray hole 21 is communicated with the accommodating cavity 12, the pressure cleaning liquid can push the nozzle assembly 2 to axially move, and the pressure cleaning liquid is sprayed out of the accommodating cavity 12 through the spray hole 21. The nozzle assembly 2 drives the flow dividing wheel 3 to move along the axial direction relative to the shell 1, and the spray holes 21 of the nozzle assembly 2 extend out of the shell 1, so that the coverage area of the pressure cleaning liquid can be increased corresponding to different position areas of the object to be cleaned; meanwhile, along with the axial reciprocating motion of the nozzle assembly 2 along the shell 1, the diverter wheel 3 can correspond to different axial position areas on the wind wheel 102, the diverter wheel 3 enables the pressure cleaning fluid to be sprayed along the axial direction of the wind wheel 102, and the pressure cleaning fluid thrown out on the diverter wheel 3 can be sprayed in a spiral shape, so that the cleaning effect is better. The lower cover 15 is connected to one end of the nozzle assembly 2 far away from the liquid inlet 11 to selectively seal the accommodating groove 142, when the nozzle assembly 2 moves axially relative to the shell 1 to enable the elastic piece 22 to be in an original state, and when the lower cover 15 seals the accommodating groove 142, the splitter wheel 3 is sealed in the accommodating groove 142, so that the splitter wheel 3 is prevented from being polluted by oil smoke due to the fact that the oil smoke enters the accommodating groove 142; when the nozzle assembly 2 moves axially relative to the housing 1 such that the elastic member 22 is in a compressed state, and the lower cover 15 opens the accommodating groove 142, the nozzle assembly 2 together with the diverting wheel 3 extends out of the accommodating groove 142 to perform a spray cleaning operation.

Preferably, the diverter wheel 3 and the wind turbine body 101 are coaxially arranged. The axis of the disc 31 coincides with the axis of the wind cavity 1021, the pressure cleaning liquid sprayed by the spray holes 21 pushes the flow dividing blades 32, so that the flow dividing wheel 3 rotates, and the rotating flow dividing wheel 3 throws the pressure cleaning liquid sprayed on the flow dividing blades 32 out to cover different position areas along the radial circumference on the wind wheel 102. Meanwhile, the nozzle assembly 2 can reciprocate along the axial direction of the housing 1 so that the spray hole 21 and the diverter 3 move along the axial direction of the wind cavity 1021, and therefore, the spray hole 21 and the diverter 3 can correspond to different axial position areas on the wind wheel 102, and the diverter 3 enables the pressurized cleaning fluid to be sprayed along the axial direction of the wind wheel 102.

As a preferred solution, the smoke inlet channel assembly 100 further includes an air inlet net 104, the air inlet net 104 is connected to the wind cabinet body 101 and corresponds to the wind wheel 102, the casing 1 is detachably connected to the air inlet net 104, and the conveying pipe 103 is located at a side of the air inlet net 104 facing away from the wind wheel 102. The air inlet net 104 can perform preliminary filtration on the oil smoke entering the wind wheel 102, and prevent large particle impurities from entering the motor 105. The shell 1 is detachably connected to the air inlet net 104 and is coaxially arranged with the wind wheel 102, so that the cleaning effect of the pressure cleaning liquid on the wind wheel 102 is more uniform.

The axial moving structure and the ejecting structure of the nozzle assembly 2 according to the embodiment of the present application will be described below, as shown in fig. 6 to 8.

Specifically, the nozzle assembly 2 is disposed in the housing 1, and the pressurized cleaning fluid flows into the accommodating cavity 12 along the liquid inlet hole 11 so as to push the nozzle assembly 2 to move along the axial direction of the housing 1; it will be appreciated that the pressurized cleaning fluid has a certain pressure, and when entering the accommodating cavity 12 through the liquid inlet 11, the pressurized cleaning fluid applies a thrust to the nozzle assembly 2 opposite to the liquid inlet 11, so that the nozzle assembly 2 moves along the axial direction of the housing 1 in a direction away from the liquid inlet 11, and the nozzle hole 21 moves along the axial direction of the housing 1. The elastic piece 22 is disposed in the accommodating cavity 12, and two ends of the elastic piece are respectively connected with the nozzle assembly 2 and the housing 1, and the elastic piece 22 always has a tendency of pushing the nozzle assembly 2 to move towards the liquid inlet 11, that is, the thrust applied by the elastic piece 22 to the nozzle assembly 2 and the thrust applied by the pressure cleaning liquid to the nozzle assembly 2 are opposite in direction. Therefore, the pressure cleaning solution needs to overcome the thrust force applied by the elastic member 22 to the nozzle assembly 2, and when the pressure applied by the pressure cleaning solution to the nozzle assembly 2 reaches a certain value, the nozzle assembly 2 will move axially in a direction away from the liquid inlet 11, so that the spray holes 21 correspond to different areas of the object to be cleaned, as shown in fig. 7; when the nozzle assembly 2 is required to move reversely, the pressure of the pressure cleaning liquid is gradually reduced, and when the thrust force exerted by the elastic member 22 on the nozzle assembly 2 is larger than the pressure of the pressure cleaning liquid, the elastic member 22 pushes the nozzle assembly 2 to move towards the liquid inlet 11, and finally the initial position is restored, as shown in fig. 6. In the embodiment of the present application, the elastic member 22 is a compression spring, sleeved outside the nozzle assembly 2, and has one end connected to the top end of the nozzle assembly 2 and one end connected to the housing 1, so as to apply a stable elastic force to the nozzle assembly 2. In other embodiments, the elastic member 22 may also be a spring plate, a disc spring, or the like, which is not limited to this embodiment.

Specifically, the nozzle assembly 2 includes a hydraulic movable plug 23, the hydraulic movable plug 23 is slidably disposed in the accommodating cavity 12, a pressure-bearing groove 231 and a guiding cavity 232 which are mutually communicated are disposed in the hydraulic movable plug 23, the pressure-bearing groove 231 has a pressure-bearing end surface 2311, the pressure-bearing end surface 2311 corresponds to the liquid inlet hole 11, the pressure-bearing end surface 2311 is an annular end surface, the pressure cleaning liquid flows into the accommodating cavity 12 from the liquid inlet hole 11, and pressure acts on the pressure-bearing end surface 2311, so that thrust distribution of the nozzle assembly 2 is more uniform, and sliding clamping stagnation caused by uneven stress of the nozzle assembly 2 is avoided; and the pressure-bearing end surface 2311 can increase the bearing area of the nozzle assembly 2, so that the pressure cleaning liquid can push the nozzle assembly 2 more easily. The pressurized cleaning fluid enters the guide cavity 232 from the pressure-bearing groove 231, and the guide cavity 232 penetrates the hydraulic movable plug 23 to communicate with the spray hole 21, so that the pressurized cleaning fluid is sprayed out of the spray hole 21.

Still further, the nozzle assembly 2 further includes a diversion seat 24, wherein the diversion seat 24 is detachably connected to an end of the hydraulic movable plug 23 away from the liquid inlet 11 and is located outside the housing 1; the diversion seat 24 can limit the axial movement of the water pressure movable plug 23, so that the water pressure movable plug 23 is prevented from reversely sliding and completely entering the accommodating cavity 12 under the action of the elastic piece 22; the removable attachment of the manifold 24 also facilitates assembly of the nozzle assembly 2. The spray hole 21 is disposed on the diversion seat 24, and the diversion seat 24 can divert and guide the pressure cleaning fluid in the guide cavity 232 to flow to the spray hole 21.

Preferably, the splitter seat 24 includes a fixing element 241, a guide element 242, and a guide vane 243. The fixing piece 241 is clamped on the hydraulic movable plug 23, the flow guiding piece 242 is detachably connected to the fixing piece 241, and the detachable connection structure provided in this embodiment is as follows: the fixing piece 241 is provided with two connecting grooves 2411 with openings; correspondingly, the flow guiding piece 242 is provided with two connecting pieces 2423; the fixing piece 241 and the flow guiding piece 242 are oppositely screwed, the connecting piece 2423 is clamped into the connecting groove 2411 to realize connection, and the reverse screwing can realize detachment. The guide vane 243 is disposed between the fixing element 241 and the guide element 242, and at least one guide channel 2421 is formed between the guide vane 243 and the guide element 242, in this embodiment of the present application, the guide vane 243 is connected to the guide element 242 to ensure the stability of the guide channel 2421, and in addition, the structural form can reduce the processing difficulty of the split seat 24. Further, the guide vane 243 is provided with a gear 2431, and correspondingly, the guide piece 242 is provided with a slot 2424; the gear 2431 is inserted into the slot 2424 to connect the guide vane 243 and the guide member 242. Meanwhile, the guiding piece 242 is provided with a guiding inclined plane 2422, the guiding inclined plane 2422 is arranged in the guiding channel 2421, and two ends of the guiding channel 2421 are respectively communicated with the guiding cavity 232 and the spray hole 21, so that the pressure cleaning fluid in the guiding cavity 232 is guided to the spray hole 21 to be sprayed out. By changing the inclination angle of the diversion slope 2422, the axial direction of the spray hole 21 can be changed, and the direction of spraying the pressure cleaning liquid can be changed, so that the pressure cleaning liquid has larger thrust to the splitter blade 32. In the embodiment of the application, the two ends of the diversion inclined plane 2422 are straight line segments, the middle is an arc line segment, and the arc line segments are communicated with the straight line segments at the two ends so as to change the flow direction of the pressure cleaning liquid, so that the pressure cleaning liquid is changed into the pressure cleaning liquid which is perpendicular to the axial direction of the shell 1 from the axial direction of the shell 1, and the pressure cleaning liquid vertically sprayed to the shell 1 from the spray hole 21 has better scouring and cleaning effects on the blades. Moreover, the arc surface of the diversion slope 2422 can avoid the impact of the pressure cleaning liquid on the nozzle assembly 2, and ensure the continuity of the spraying of the pressure cleaning liquid by the spray hole 21.

Preferably, the diversion seat 24 is provided with two diversion channels 2421, and the two diversion channels 2421 are symmetrically arranged along the axial direction of the water pressure movable plug 23. The two diversion channels 2421 are axially symmetrically arranged at two sides of the water pressure movable plug 23, and correspondingly, two spray holes 21 are also arranged, so that the two spray holes 21 can respectively push the diversion blades 32 from two sides of the diversion wheel 3, the pushing force is increased, and the rotation of the diversion wheel 3 is more stable. Moreover, the two spray holes 21 can balance the reaction force applied to the water pressure movable plug 23 when the pressure cleaning liquid is sprayed from the spray holes 21, so that the influence on the stability and reliability of the axial reciprocating motion caused by uneven stress of the water pressure movable plug 23 is avoided.

Specifically, the nozzle assembly 2 further includes a clamping plate 25 and a sealing washer 26, one end of the hydraulic movable plug 23 away from the liquid inlet 11 is provided with a clamping groove 233, and the clamping plate 25 is disposed between the fixing element 241 and the guiding element 242 and is clamped in the clamping groove 233. The clamping plate 25 applies axial force to the fixing piece 241 and the guide piece 242, so that the connection reliability of the fixing piece 241 and the guide piece 242 can be further increased, and the axial movement of the diversion seat 24 on the water pressure movable plug 23 is avoided. In the embodiment of the application, the clamping plate 25 adopts a clamping ring with an opening, so that the installation is convenient. The sealing washer 26 is sleeved on the hydraulic movable plug 23 and is arranged between the fixing piece 241 and the clamping plate 25. The sealing gasket 26 is attached to the fixing piece 241, so that leakage of the pressure cleaning liquid from a gap between the fixing piece 241 and the water pressure movable plug 23 is reduced, pressure and injection quantity of the pressure cleaning liquid injected by the injection hole 21 are prevented from being influenced, and cleaning effect is ensured.

Preferably, the housing 1 includes an upper housing 13 and a lower housing 14 which are detachably connected, the liquid inlet 11 is disposed on the upper housing 13, the lower housing 14 is provided with a guide hole 141, and the nozzle assembly 2 is slidably disposed in the guide hole 141. In the embodiment of the application, the upper shell 13 and the lower shell 14 are in threaded connection, and the connection structure is simple and reliable. The lower housing 14 protrudes toward the liquid inlet 11 to form a receiving groove 142, and one end of the nozzle assembly 2 away from the liquid inlet 11 is located in the receiving groove 142.

Preferably, the nozzle assembly 2 further includes a guide cover 28 and a sealing ring 27, the guide cover 28 is detachably connected to the housing 1, and the guide cover 28 is disposed in the accommodating cavity 12 and surrounds one end of the nozzle assembly 2. The air guide sleeve 28 is provided with a plurality of through air guide holes 281, one end of the air guide sleeve 28 is opened, and the opened end is connected in the lower shell 14. Specifically, the lower housing 14 is provided with a fixing groove for clamping the pod 28. The side surface of the air guide sleeve 28 and the surface corresponding to the opening end are provided with air guide holes 281 which are uniformly distributed, and the pressure cleaning liquid can pass through the air guide holes 281 and uniformly fill the accommodating cavity 12; thereafter, the pressurized cleaning fluid continues to be injected into the accommodating chamber 12, continuously increasing the pressure to the hydraulic movable plug 23, and pushing the hydraulic movable plug 23 to move when the pressure is greater than the elastic force of the elastic member 22. The flow guide cover 28 can uniformly distribute the acting force of the pressure cleaning fluid on the water pressure movable plug 23, so as to avoid the impact on the water pressure movable plug 23. The sealing ring 27 is sleeved on one end of the nozzle assembly 2, which is positioned in the accommodating cavity 12, and can be abutted against the lower shell 14, preferably, the sealing ring 27 is sleeved on the outer wall of the guide cavity 232 in the water pressure movable plug 23 and is abutted against the pressure-bearing groove 231; when the water pressure movable plug 23 slides in a direction away from the liquid inlet 11, the water pressure movable plug 23 abuts against the lower housing 14 when reaching the farthest stroke, at this time, the sealing ring 27 can reduce the impact force of the water pressure movable plug 23 on the lower housing 14, and avoid the leakage of the pressure cleaning liquid from the gap between the lower housing 14 and the water pressure movable plug 23.

It should be noted that the axial moving structure and the spraying structure of the nozzle assembly 2 are only examples, and the flow dividing structure can be applied to nozzles with different structures to divide the pressure cleaning liquid, so as to achieve comprehensive and three-dimensional spray cleaning of the objects to be cleaned.

In the specific content of the above embodiment, any combination of the technical features may be performed without contradiction, and for brevity of description, all possible combinations of the technical features are not described, however, as long as there is no contradiction between the combinations of the technical features, they should be considered as the scope of the description.

The foregoing detailed description of the embodiments presents only a few embodiments of the present application, which are described in some detail and are not intended to limit the scope of the present application. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the application, which are all within the scope of the application. Accordingly, the scope of protection of the present application is to be determined by the appended claims.

Claims (10)

1. The reposition of redundant personnel structure, connect nozzle assembly (2), nozzle assembly (2) include orifice (21), orifice (21) are used for blowout pressure cleaning fluid, its characterized in that, reposition of redundant personnel structure includes:

the flow distribution wheel (3), the flow distribution wheel (3) comprises a disc body (31) and a plurality of flow distribution blades (32) provided with flow distribution surfaces (321), the disc body (31) is rotatably connected with the nozzle assembly (2), the flow distribution blades (32) are circumferentially arranged on the disc body (31) and surround the spray holes (21) to form the flow distribution surfaces (321) opposite to the spray holes (21) in the rotating process; when the flow dividing blade (32) rotates to be opposite to the spray hole (21), an included angle formed by the flow dividing surface (321) and the spray direction of the spray hole (21) is an acute angle.

2. The flow dividing structure according to claim 1, wherein the flow dividing blades (32) are perpendicular to the disc (31), and an angle between the flow dividing blades (32) and a radial direction of the disc (31) is an acute angle.

3. The flow dividing structure according to claim 1 or 2, wherein a plurality of the flow dividing vanes (32) are circumferentially spaced apart along the disc body (31), flow dividing passages (30) are formed between adjacent flow dividing vanes (32), and the flow dividing passages (30) communicate with the nozzle holes (21).

4. A flow dividing structure according to claim 3, wherein a plurality of the flow dividing blades (32) are uniformly distributed at intervals along the circumferential direction of the disc body (31), and the angles formed by the plurality of the flow dividing blades (32) and the radial direction of the disc body (31) are the same.

5. A tapping structure according to claim 2 or 4, characterized in that the radial angle between the tapping blade (32) and the disk (31) is 25 ° -45 °.

6. The diverting structure according to claim 1, characterized in that the centre of the diverting wheel (3) and the centre of gravity of the diverting wheel (3) are arranged at intervals.

7. The flow dividing structure according to claim 6, further comprising a rotation assisting assembly comprising a first rotation assisting member (33) and a second rotation assisting member (34), the first rotation assisting member (33) and the second rotation assisting member (34) being arranged on a side of the tray body (31) facing away from the flow dividing blade (32), the first rotation assisting member (33) protruding from the tray body (31), the second rotation assisting member (34) being recessed from the tray body (31).

8. The range hood with a flow distribution structure comprises a smoke inlet channel assembly (100) and a nozzle assembly (2), wherein the smoke inlet channel assembly (100) comprises a wind cabinet body (101), a wind wheel (102) and a conveying pipe (103), the wind wheel (102) is rotatably arranged in the wind cabinet body (101), the wind wheel (102) is provided with a wind cavity (1021), and the conveying pipe (103) is used for conveying pressure cleaning liquid.

9. The range hood with a flow dividing structure according to claim 8, further comprising:

the shell (1) is connected to the smoke inlet channel assembly (100) and is positioned in the air cavity (1021), the shell (1) is provided with a liquid inlet hole (11) and a containing cavity (12) which are communicated with each other, the liquid inlet hole (11) is communicated with the conveying pipe (103), one end of the nozzle assembly (2) is arranged in the containing cavity (12), the other end of the nozzle assembly (2) extends out of the containing cavity (12) and is connected with the diverting wheel (3), and the nozzle assembly (2) is communicated with the conveying pipe (103) through the liquid inlet hole (11);

the elastic piece (22) is connected between the shell (1) and the nozzle assembly (2) and has an original state and a compressed state, and the elastic piece (22) and the pressure cleaning liquid can enable the nozzle assembly (2) to drive the diverting wheel (3) to reciprocate along the axial direction of the shell (1);

the lower cover (15), lower cover (15) connect in the other end of nozzle assembly (2), casing (1) deviates from the one end of holding chamber (12) is equipped with accommodation groove (142), when elastic component (22) are in the primitive state, lower cover (15) seal accommodation groove (142).

10. The range hood with the flow dividing structure according to claim 8, wherein the flow dividing wheel (3) and the wind wheel (102) are coaxially arranged.