CN220911953U - Blowing assembly and dryer - Google Patents

Abstract

The utility model discloses an air blowing assembly and a dryer, wherein the air blowing assembly is used for the dryer and comprises a flange, a retainer ring and a turning plate, an air inlet channel is formed in the flange, a containing hole is formed in the flange in a surrounding mode, the retainer ring is connected with the flange, an air vent gap is formed between the retainer ring and the flange, an outlet of the air inlet channel is communicated with an inlet of the air vent gap, the turning plate and the flange are oppositely arranged in the axial direction of the containing hole, an air flow channel is formed between the turning plate and the flange, the inlet of the air flow channel is communicated with the air vent gap, and an outlet of the air flow channel is communicated with the containing hole.

Description

Blowing assembly and dryer

Technical Field

The utility model relates to the technical field of drying equipment, in particular to an air blowing assembly and a dryer.

Background

The valve body subassembly of the jar body bottom of desiccator is used for discharging to discharge the material in the jar body, at this in-process, the valve body subassembly is through turning over the board and open and close, and after the desiccator is dried the powder and is accomplished through valve body subassembly discharge, the valve body subassembly can be through turning over the board frequent switching, and this process has the material to glue the upper surface of sticking at turning over the board easily.

Disclosure of utility model

The utility model aims to provide an air blowing assembly and a dryer, which solve the problem that materials are stuck on a turning plate.

In order to achieve the purpose of the utility model, the utility model provides the following technical scheme:

In a first aspect, the present utility model provides an air-blowing assembly for a dryer, the air-blowing assembly comprising:

The flange is provided with an air inlet channel, and the flange is enclosed with an accommodating hole;

The check ring is connected with the flange, a ventilation gap is formed between the check ring and the flange, and the outlet of the air inlet channel is communicated with the inlet of the ventilation gap;

The turnover plate is arranged opposite to the flange in the axial direction of the accommodating hole, an air flow channel is formed between the turnover plate and the flange, an inlet of the air flow channel is communicated with the ventilation gap, and an outlet of the air flow channel is communicated with the accommodating hole.

In one embodiment, the flange comprises a main body and a first protrusion, the main body comprises a first bottom surface, the main body encloses the accommodating hole, the first protrusion is arranged on the first bottom surface, and the retainer ring is connected with the first protrusion and encloses the outlet of the air inlet channel.

In one embodiment, the main body further comprises an outer peripheral surface, the air inlet channel comprises a first air inlet channel and a second air inlet channel which are communicated, the axis of the first air inlet channel is perpendicular to the axis of the second air inlet channel, the first air inlet channel extends from the outer peripheral surface to the inside of the main body, the second air inlet channel extends from the first bottom surface to the inside of the main body, the first protrusion is located on the outer side of the outlet of the second air inlet channel, and the retainer ring and the first protrusion enclose the outlet of the second air inlet channel.

In one embodiment, the vent gap is formed between the retainer ring and the first bottom surface, and an inlet of the vent gap is communicated with an outlet of the second air inlet channel.

In one embodiment, the retainer ring comprises a ring piece and a second protrusion, wherein the ring piece is connected, the ring piece comprises a first end face, the second protrusion is arranged on the first end face, the outer peripheral side of the ring piece is in butt joint with the flange, the second protrusion is arranged on the inner peripheral side of the ring piece, the first end face is opposite to the first bottom face, and one end, away from the ring piece, of the second protrusion is opposite to the first bottom face to form the ventilation gap.

In one embodiment, the second protrusion is provided with an air inlet groove on an end surface far away from the ring piece, the end surface is clung to the first bottom surface, and the air inlet groove forms the ventilation gap.

In one embodiment, the plurality of air inlet grooves are arranged at equal intervals in the circumferential direction of the second protrusion.

In one embodiment, the flap comprises a first top surface and a first side surface, a flap step is arranged between the first top surface and the first side surface, a flange step is arranged between the inner wall surface of the accommodating hole and the outlet of the air inlet channel, and the flap step and the flange step are in clearance fit to form the air flow channel.

In one embodiment, the flap step includes a first upper surface and a flap side, the first upper surface is connected with the first side, the flap side is connected with the first upper surface and the first top surface, and an included angle formed by the first upper surface and the flap side is an obtuse angle.

In one embodiment, the flap step comprises a plurality of flap sub-steps, the flange step comprises a plurality of flange sub-steps, the plurality of flap sub-steps are connected to form the flap step, and the plurality of flange sub-steps are connected to form the flange step.

In one embodiment, the plurality of turning plate sub-steps comprise a first sub-step and a second sub-step, the first sub-step comprises a first sub-surface and a first sub-side surface, the second sub-step comprises a second sub-surface and a second sub-side surface, the first sub-surface is connected with the first sub-side surface, the turning plate side surface is connected with the first sub-surface and the second sub-surface, and an included angle formed by the second sub-surface and the second sub-side surface is an obtuse angle.

In one embodiment, the flange step comprises a flange bottom surface, the flange bottom surface and the flange top surface are opposite and have a gap, the flange bottom surface is provided with an annular groove, the annular groove is in the cross section of the flange circumference direction is reverse trapezoid, the annular groove comprises a first side wall surface, a second bottom surface and a second side wall surface which are sequentially connected, the first side wall surface and the second side wall surface are opposite and are both connected with the flange bottom surface, the width of the second bottom surface is larger than the width of the opening part of the annular groove in the radial direction of the annular groove, an annular ring is arranged in the annular groove, extends out of the annular groove and is in butt joint with the first side wall surface and the second side wall surface, and the annular ring and the second bottom surface have a gap.

In one embodiment, the annular grooves are multiple, the annular rings are multiple, and one annular ring is arranged in each annular groove.

In one embodiment, the air blowing assembly further comprises an air pump and a pipeline, an outlet of the pipeline is communicated with an inlet of the air inlet channel of the flange, and the air pump is communicated with an inlet of the pipeline for air supply.

In one embodiment, the outlets of the plurality of pipelines are arranged at equal intervals in the circumferential direction of the flange, the inlets of the air inlet channels are multiple, and the outlet of each pipeline is communicated with the inlet of a corresponding air inlet channel.

In a second aspect, the present utility model also provides a dryer comprising a blowing assembly as described in any of the various embodiments of the first aspect.

Through setting up subassembly and desiccator of blowing, the subassembly of blowing is used for the desiccator, and the subassembly of blowing includes flange, retaining ring and turns over the board, has seted up inlet channel on the flange to the flange encloses to have closed the accommodation hole, retaining ring and flange joint, be formed with the clearance that ventilates between retaining ring and the flange, inlet channel's export and the entry intercommunication of clearance that ventilates, turn over the board and the flange set up relatively in the axial of accommodation hole, turn over and be formed with air current passageway between board and the flange, air current passageway's entry and clearance intercommunication that ventilates, air current passageway's export and accommodation hole intercommunication. When the blowing assembly works, air flows sequentially pass through the air inlet channel, the ventilation gap and the air flow channel, and finally the air flows sweep the first top surface, so that materials cannot be stuck on the turning plate.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from them without inventive effort for a person skilled in the art.

FIG. 1 is a first schematic structural view of an air blowing assembly of an embodiment;

FIG. 2 is a second schematic structural view of an air blowing assembly of an embodiment;

FIG. 3 is a schematic diagram of the structure of a retainer ring of an embodiment;

FIG. 4 is a top view of a retainer ring of an embodiment;

FIG. 5 is a top view of a flange of an embodiment;

FIG. 6 is a schematic structural view of a flange of an embodiment.

Reference numerals illustrate:

The flange, 11-intake passage, 111-first intake passage, 112-second intake passage, 12-receiving hole, 13-main body, 131-first bottom surface, 132-outer peripheral surface, 14-first projection, 15-flange step, 151-flange sub-step, 152-flange bottom surface, 153-annular groove, 154-first side wall surface, 155-second bottom surface, 156-second side wall surface, 20-retainer ring, 21-ventilation gap, 22-ring piece, 221-first end surface, 23-second projection, 231-intake groove, 30-flap, 31-airflow passage, 32-first top surface, 33-first side surface, 34-flap step, 341-first upper surface, 342-flap side surface, 343-flap sub-step, 344-first sub-step, 3441-first sub-surface, 3442-first sub-side surface, 345-second sub-step, 3451-second sub-surface, 3452-second sub-side surface, 346-flap top surface, 40-annular ring top surface, 50-pipeline.

Detailed Description

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

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

Some embodiments of the present utility model are described in detail below with reference to the accompanying drawings. The following embodiments and features of the embodiments may be combined with each other without conflict.

An embodiment of the present utility model provides an air blowing assembly for a dryer, referring to fig. 1, 3, 4, 5 and 6, the air blowing assembly includes a flange 10, a retainer ring 20 and a flap 30.

Referring to fig. 1, an air inlet channel 11 is formed in a flange 10, and a receiving hole 12 is formed around the flange 10.

Referring to fig. 1, a retainer ring 20 is connected to a flange 10, a vent gap 21 is formed between the retainer ring 20 and the flange 10, and an outlet of an air inlet channel 11 is communicated with an inlet of the vent gap 21.

Referring to fig. 1, the flap 30 and the flange 10 are disposed opposite to each other in the axial direction of the accommodating hole 12, an airflow channel 31 is formed between the flap 30 and the flange 10, an inlet of the airflow channel 31 is communicated with the ventilation gap 21, and an outlet of the airflow channel 31 is communicated with the accommodating hole 12.

Through setting up subassembly and desiccator of blowing, the subassembly of blowing is used for the desiccator, the subassembly of blowing includes flange 10, retaining ring 20 and turns over board 30, the inlet channel 11 has been seted up on the flange 10, and the flange 10 encloses and has closed accommodation hole 12, retaining ring 20 is connected with flange 10, be formed with vent gap 21 between retaining ring 20 and the flange 10, the export of inlet channel 11 and vent gap 21's entry intercommunication, turn over board 30 and flange 10 in the relative setting of axial of accommodation hole 12, be formed with air current channel 31 between turning over board 30 and the flange 10, air current channel 31's entry and vent gap 21 intercommunication, air current channel 31's export and accommodation hole 12 intercommunication. When the blowing assembly works, air flows sequentially pass through the air inlet channel 11, the ventilation gap 21 and the air flow channel 31, and finally the air flows sweep the first top surface 32, so that materials cannot be stuck on the turning plate 30, and the problem that the materials are stuck on the turning plate 30 is solved.

In one embodiment, referring to fig. 1, 5 and 6, the flange 10 includes a main body 13 and a first protrusion 14, the main body 13 includes a first bottom surface 131, the main body 13 encloses the accommodating hole 12, the first protrusion 14 is disposed on the first bottom surface 131, and the retainer ring 20 is connected to the first protrusion 14 and encloses the outlet of the air inlet channel 11.

Alternatively, the main body 13 may be made of metal, plastic, composite, or the like.

Alternatively, the first protrusion 14 may be made of a metal material, a plastic material, a composite material, or the like.

Alternatively, the main body 13 and the first protrusion 14 may be made of a whole metal, and during manufacturing, the main body 13 and the first protrusion 14 are respectively machined on the whole metal, that is, the main body 13 and the first protrusion 14 are manufactured through one process, and the manufacturing mode makes the structure of the flange 10 simple, and the structural compressive resistance of the main body 13 and the first protrusion 14 is strong.

Alternatively, the connection manner of the main body 13 and the first protrusion 14 may be, but not limited to, a snap connection, a rivet connection, a welding connection, or the like.

Alternatively, the body 13 and the first protrusion 14 may be welded together. Specifically, the main body 13 and the first protrusion 14 are both made of metal materials, the main body 13 and the first protrusion 14 are connected by brazing, the metal materials with melting points lower than those of the main body 13 and the first protrusion 14 are used as brazing filler metals, the main body 13, the first protrusion 14 and the brazing filler metals are heated to a temperature higher than the melting point of the brazing filler metals and lower than the melting points of the main body 13 and the first protrusion 14, the main body 13 and the first protrusion 14 are wetted by liquid brazing filler metals, interface gaps are filled, and inter-atomic diffusion is realized between the main body 13 and the first protrusion 14, so that welding is realized, the connection mode of welding is simple in operation, and connection is stable. The utility model is illustrated by brazing in a connection and should not be construed as limiting the utility model.

Alternatively, the first bottom surface 131 may be polished by fluid polishing, mechanical polishing, ultrasonic polishing, chemical polishing, electrolytic polishing, or the like.

Optionally, the first bottom surface 131 is chemically polished, and the specific process is that an oxidizing agent solution is used to oxidize the surface of the first bottom surface 131 under a certain condition, the oxide layer can be gradually dissolved into the solution, the micro-protrusions of the first bottom surface 131 oxidize more rapidly, the micro-recesses oxidize more slowly, and the oxide layer at the protrusions diffuses more rapidly than everywhere and is dissolved into the solution, so that the surface of the first bottom surface 131 is gradually flattened, and scratch to other components is avoided. The first bottom surface 131 is treated by chemical polishing, so that the thin wall of the first bottom surface 131 can be protected, the influence on the rigidity of materials is avoided, the first bottom surface 131 is smooth and glossy, the polishing operation is simple, and the treatment efficiency is high.

Alternatively, the shape of the cross section of the receiving hole 12 in the axial direction may be polygonal, circular or elliptical.

Alternatively, the cross-sectional shape of the receiving hole 12 in the axial direction may be, but is not limited to, pentagonal, hexagonal, octagonal, decagonal, and the like.

In an embodiment, referring to fig. 1 and 2, the main body 13 further includes an outer peripheral surface 132, the air inlet channel 11 includes a first air inlet channel 111 and a second air inlet channel 112 that are communicated, an axis of the first air inlet channel 111 is perpendicular to an axis of the second air inlet channel 112, the first air inlet channel 111 extends from the outer peripheral surface 132 into the main body 13, the second air inlet channel 112 extends from the first bottom surface 131 into the main body 13, the first protrusion 14 is located outside an outlet of the second air inlet channel 112, and the retainer ring 20 and the first protrusion 14 enclose an outlet of the second air inlet channel 112.

Optionally, the axis of the first air inlet 111 and the axis of the second air inlet 112 form a first included angle, and the first included angle ranges from 10 degrees to 90 degrees.

Optionally, the axis of the first air inlet 111 and the axis of the second air inlet 112 form a first included angle, and the first included angle may be, but not limited to, 10 degrees, 20 degrees, 30 degrees, 40 degrees, 50 degrees, 60 degrees, 90 degrees, and the like.

Optionally, the outer peripheral surface 132 is polished by fluid polishing, mechanical polishing, ultrasonic polishing, chemical polishing, electrolytic polishing, and the like.

In one embodiment, referring to fig. 1, 3 and 4, a vent gap 21 is formed between the retainer ring 20 and the first bottom surface 131, and an inlet of the vent gap 21 is communicated with an outlet of the second air inlet 112.

Alternatively, the height of the vent gap 21 may range from 0.5mm to 50 mm.

Alternatively, the height of the vent gap 21 may be, but is not limited to, 0.5 mm, 1 mm, 1.5 mm, 2.5 mm, 5 mm, 10 mm, 50 mm, etc., in particular.

Alternatively, the air flow may flow out from the outlet of the second air intake duct 112, into the inlet of the ventilation gap 21, and smoothly pass through the ventilation gap 21.

In an embodiment, referring to fig. 1, 3 and 4, the retainer ring 20 includes a ring piece 22 and a second protrusion 23 connected to each other, the ring piece 22 includes a first end surface 221, the second protrusion 23 is disposed on the first end surface 221, an outer peripheral side of the ring piece 22 abuts against the flange 10, the second protrusion 23 is located on an inner peripheral side of the ring piece 22, the first end surface 221 is opposite to the first bottom surface 131, and a ventilation gap 21 is formed between an end of the second protrusion 23 away from the ring piece 22 and the first bottom surface 131.

Alternatively, the ring 22 may be made of metal, plastic, composite, or the like.

Alternatively, the second protrusion 23 may be made of a metal material, a plastic material, a composite material, or the like.

Alternatively, the ring piece 22 and the second protrusion 23 may be made of a whole metal, and during manufacturing, the ring piece 22 and the second protrusion 23 are respectively processed on the whole metal, that is, the ring piece 22 and the second protrusion 23 are manufactured through one process, and the manufacturing method makes the structure of the retainer ring 20 simple, and the structure of the ring piece 22 and the second protrusion 23 has strong pressure resistance.

Alternatively, the connection manner of the ring piece 22 and the second protrusion 23 may be, but not limited to, specifically, snap connection, rivet connection, welded connection, or the like.

Alternatively, the ring 22 and the second protrusion 23 may be welded together. Specifically, the ring piece 22 and the second protrusion 23 are both made of metal materials, the ring piece 22 and the second protrusion 23 are connected by brazing, the metal materials with melting points lower than those of the ring piece 22 and the second protrusion 23 are used as brazing filler metals, the ring piece 22, the second protrusion 23 and the brazing filler metals are heated to a temperature higher than the melting point of the brazing filler metals and lower than the melting points of the ring piece 22 and the second protrusion 23, the ring piece 22 and the second protrusion 23 are wetted by liquid brazing filler metals, interface gaps are filled, and mutual diffusion among atoms is realized with the ring piece 22 and the second protrusion 23, so that welding is realized, the connection mode of welding is simple in operation, and connection is stable. The utility model is illustrated by brazing in a connection and should not be construed as limiting the utility model.

In one embodiment, referring to fig. 1, 3 and 4, the second protrusion 23 has an air inlet groove 231 on an end surface far from the ring 22, the end surface is closely attached to the first bottom surface 131, and the air inlet groove 231 forms an air gap 21.

Alternatively, the shape of the air inlet groove 231 may be polygonal, circular, or elliptical.

Alternatively, the shape of the air intake groove 231 may be, but not limited to, pentagonal, hexagonal, octagonal, decagonal, and the like.

In one embodiment, the plurality of air intake grooves 231 is provided, and the plurality of air intake grooves 231 are arranged at equal intervals in the circumferential direction of the second protrusion 23.

Alternatively, every two adjacent air intake grooves 231 are spaced apart from each other by 2 to 40 degrees in the circumferential direction of the second projection 23.

Alternatively, the angle at which each two adjacent air intake grooves 231 are spaced in the circumferential direction of the second protrusion 23 may be, but not limited to, specifically 2 degrees, 4 degrees, 10 degrees, 12 degrees, 14 degrees, 16 degrees, 20 degrees, 22 degrees, 35 degrees, 40 degrees, or the like.

In an embodiment, referring to fig. 1, 5 and 6, the flap 30 includes a first top surface 32 and a first side surface 33, a flap step 34 is disposed between the first top surface 32 and the first side surface 33, a flange step 15 is disposed between an inner wall surface of the accommodating hole 12 and an outlet of the air inlet channel, and the flap step 34 and the flange step 15 are in clearance fit to form the air flow channel 31.

Alternatively, the height of the air flow channel 31 is 0.5mm to 100 mm.

Alternatively, the height of the air flow channel 31 is 0.5 mm, 1 mm, 1.5mm, 10 mm, 20mm, 80 mm, 100 mm, etc.

Optionally, the first top surface 32 and the first side surface 33 are polished by fluid polishing, mechanical polishing, ultrasonic polishing, chemical polishing, electrolytic polishing, and the like, so as to improve the smoothness and smoothness of the first top surface 32 and the first side surface 33.

In an embodiment, referring to fig. 1, the flap step 34 includes a first upper surface 341 and a flap side 342, the first upper surface 341 is connected to the first side 33, the flap side 342 is connected to the first upper surface 341 and the first top 32, and an included angle formed by the first upper surface 341 and the flap side 342 is an obtuse angle.

Optionally, the first upper surface 341 and the flap side 342 are polished by fluid polishing, mechanical polishing, ultrasonic polishing, chemical polishing, electrolytic polishing, and the like, so that the smoothness and smoothness of the first upper surface 341 and the flap side 342 are improved.

Alternatively, the included angle formed by the first upper surface 341 and the flap side 342 may range from 91 degrees to 179 degrees.

Alternatively, the included angle formed by the first upper surface 341 and the flap side 342 may be, but not limited to, 91 degrees, 100 degrees, 110 degrees, 120 degrees, 130 degrees, 150 degrees, 179 degrees, etc.

In one embodiment, referring to fig. 1, 5 and 6, the flap step 34 includes a plurality of flap sub-steps 343, the flange step 15 includes a plurality of flange sub-steps 151, the plurality of flap sub-steps 343 are connected to form the flap step 34, and the plurality of flange sub-steps 151 are connected to form the flange step 15.

Alternatively, the number of flap sub-steps 343 may range from 1 to 6.

Alternatively, the number of flap sub-steps 343 may be, but is not limited to, 1, 2, 3, 4, 5, 6, etc.

Alternatively, the number of flange sub-steps 151 may range from 1 to 6.

Alternatively, the number of flange sub-steps 151 may be, but not limited to, 1, 2, 3, 4, 5, 6, etc., in particular.

Alternatively, the plurality of flap sub-steps 343 may be processed through one process, or may be processed through multiple processes, respectively.

Alternatively, the flange sub-steps 151 may be processed through one process or may be processed through multiple processes.

In one embodiment, referring to fig. 1, the plurality of flap sub-steps 343 includes a first sub-step 344 and a second sub-step 345, the first sub-step 344 includes a first sub-surface 3441 and a first sub-side surface 3442, the second sub-step 345 includes a second sub-surface 3451 and a second sub-side surface 3452, the first sub-surface 3441 is connected with the first sub-side surface 3442, the flap side surface 342 is connected with the first sub-surface 3441 and the second sub-surface 3451, and an included angle formed by the second sub-surface 3451 and the second sub-side surface 3452 is an obtuse angle.

Optionally, the included angle formed by the second subsurface 3451 and the second subsurface 3452 ranges from 100 degrees to 170 degrees.

Alternatively, the included angle formed by the second sub-surface 3451 and the second sub-side 3452 may be, but is not limited to, 100 degrees, 110 degrees, 120 degrees, 130 degrees, 140 degrees, 150 degrees, 170 degrees, etc.

In one embodiment, referring to fig. 1, 5 and 6, the flange step 15 includes a flange bottom surface 152, the flap step 34 includes a flap top surface 346, the flange bottom surface 152 is opposite to the flap top surface 346 and has a gap, the flange bottom surface 152 is provided with an annular groove 153, the cross section of the annular groove 153 in the circumferential direction of the flange 10 is inverted trapezoid, the annular groove 153 includes a first side wall surface 154, a second bottom surface 155 and a second side wall surface 156 which are sequentially connected, the first side wall surface 154 and the second side wall surface 156 are opposite to each other and are connected with the flange bottom surface 152, the width of the second bottom surface 155 is greater than the width of the opening of the annular groove 153 in the radial direction of the annular groove, an annular ring 40 is arranged in the annular groove 153, the annular ring 40 extends out of the annular groove 153 and is abutted with the first side wall surface 154 and the second side wall surface 156, and the annular ring 40 has a gap with the second bottom surface 155.

Optionally, the flange bottom surface 152, the flap top surface 346, the first side wall surface 154, the second bottom surface 155, and the second side wall surface 156 are polished by fluid polishing, mechanical polishing, ultrasonic polishing, chemical polishing, electrolytic polishing, and the like, so that the smoothness and smoothness of the first upper surface 341 and the flap side surface 342 are improved.

Alternatively, when the annular ring 40 is blown by the air flow, since the width of the second bottom surface 155 is larger than the width of the opening of the annular groove 153, the annular ring 40 moves in a direction approaching the second bottom surface 155, and the gap between the side of the annular ring 40 away from the second bottom surface 155 and the flap top surface 346 increases.

In one embodiment, referring to fig. 1 and 6, the annular grooves 153 are plural, the annular rings 40 are plural, and one annular ring 40 is disposed in each annular groove 153.

Alternatively, the number of annular grooves 153 ranges from 1 to 6, the number of annular rings 40 ranges from 1 to 6, one annular ring 40 is arranged in each annular groove 153, and the number of annular rings 40 and the number of annular rings are in one-to-one correspondence.

Alternatively, the number of annular grooves 153 is 2, and the number of annular rings 40 is 2, with one annular ring 40 disposed in each annular groove 153.

Alternatively, the material of the annular ring 40 may be an elastic rubber or an elastic resin, to which the present utility model is not limited.

Alternatively, the material of the annular ring 40 may be, in particular but not limited to, natural rubber, silicone rubber, nitrile rubber, neoprene rubber, fluororubber, ethylene propylene diene rubber, polyurethane rubber, epichlorohydrin rubber and acrylate rubber.

In one embodiment, referring to fig. 1 and 2, the air blowing assembly further includes an air pump and a pipe 50, an outlet of the pipe 50 is communicated with an inlet of the air inlet passage 11 of the flange 10, and the air pump is communicated with an inlet of the pipe 50 for air supply.

Specifically, the air flows out from the outlet of the air pump, into the inlet of the duct 50, and after passing through the duct 50, flows out from the outlet of the duct 50, and into the inlet of the intake passage 11.

Alternatively, the diameter of the tubing 50 may range from 3mm to 40 mm.

Alternatively, the diameter of the tubing 50 may be, but is not limited to, 3 mm, 4 mm, 6 mm, 8 mm, 10 mm, 12 mm, 16 mm, 20 mm, 25 mm, 40 mm, etc.

In one embodiment, referring to fig. 1 and 2, the outlets of the plurality of pipes 50 are arranged at equal intervals in the circumferential direction of the flange 10, and the inlet of the air inlet channel 11 is plural, and the outlet of each pipe 50 is communicated with the inlet of a corresponding air inlet channel 11.

Alternatively, the number of outlets of the conduit 50 may range from 2 to 8.

Alternatively, the number of outlets of the piping 50 may be, in particular but not limited to, 2, 3, 4, 5, 6, 7, 8, etc.

Alternatively, the number of inlets of the intake passage 11 may range from 2 to 8.

Alternatively, the number of inlets of the intake passage 11 may be, in particular but not limited to, 2, 3, 4, 5, 6, 7, 8, etc.

Referring to fig. 1 and 2, an embodiment of the present utility model further provides a dryer, including the aforementioned air blowing assembly.

Optionally, when the dryer is a single cone dryer, after the powder is dried by the single cone dryer and discharged through the valve body assembly, the powder is easy to adhere to the upper surface of the turning plate 30, and the blowing assembly is adopted to blow the turning plate 30 so as to blow off the powder on the turning plate 30.

Alternatively, the blowing assembly may be used in other devices requiring blowing, and is not limited in this disclosure.

In describing embodiments of the present utility model, it should be noted that the terms "first direction", "second direction", "first distance", "second distance", "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner" and "outer", etc. refer to the azimuth or positional relationship based on the drawings, and are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model.

The above disclosure is only a preferred embodiment of the present utility model, and it should be understood that the scope of the utility model is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be implemented, and equivalent modifications can be made thereto, while still falling within the scope of the present utility model.

Claims (16)

1. An air blowing assembly for a dryer, the air blowing assembly comprising:

The flange is provided with an air inlet channel, and the flange is enclosed with an accommodating hole;

The check ring is connected with the flange, a ventilation gap is formed between the check ring and the flange, and the outlet of the air inlet channel is communicated with the inlet of the ventilation gap;

The turnover plate is arranged opposite to the flange in the axial direction of the accommodating hole, an air flow channel is formed between the turnover plate and the flange, an inlet of the air flow channel is communicated with the ventilation gap, and an outlet of the air flow channel is communicated with the accommodating hole.

2. The air blowing assembly of claim 1, wherein the flange includes a main body and a first protrusion, the main body includes a first bottom surface, the main body encloses the receiving hole, the first protrusion is disposed on the first bottom surface, and the retainer ring is connected to the first protrusion and encloses the outlet of the air intake passage.

3. The air-blowing assembly of claim 2, wherein the main body further comprises an outer peripheral surface, the air-intake passage comprises a first air-intake passage and a second air-intake passage which are communicated, an axis of the first air-intake passage is perpendicular to an axis of the second air-intake passage, the first air-intake passage extends from the outer peripheral surface into the main body, the second air-intake passage extends from the first bottom into the main body, the first protrusion is located outside an outlet of the second air-intake passage, and the retainer ring and the first protrusion enclose an outlet of the second air-intake passage.

4. A blowing assembly in accordance with claim 3 wherein said collar defines said vent gap with said first bottom surface, an inlet of said vent gap communicating with an outlet of said second inlet duct.

5. The air blowing assembly of claim 2, wherein the retainer ring comprises a ring piece and a second protrusion connected, the ring piece comprises a first end face, the second protrusion is arranged on the first end face, the outer circumferential side of the ring piece is abutted against the flange, the second protrusion is arranged on the inner circumferential side of the ring piece, the first end face is opposite to the first bottom face, and the ventilation gap is formed between the end, away from the ring piece, of the second protrusion and the first bottom face.

6. The blowing assembly of claim 5 wherein said second projection defines an air inlet channel in an end surface remote from said ring, said end surface being in close proximity to said first bottom surface, said air inlet channel defining said vent gap.

7. The air blowing assembly of claim 6, wherein said air inlet grooves are plural, and plural said air inlet grooves are disposed at equal intervals in a circumferential direction of said second projection.

8. The air blowing assembly of claim 1, wherein the flap comprises a first top surface and a first side surface, a flap step is disposed between the first top surface and the first side surface, a flange step is disposed between an inner wall surface of the receiving hole and an outlet of the air inlet channel, and the flap step and the flange step are in clearance fit to form the air flow channel.

9. The blowing assembly of claim 8 wherein the flap step comprises a first upper surface and a flap side, the first upper surface being connected to the first side, the flap side connecting the first upper surface to the first top surface, the first upper surface and the flap side forming an obtuse angle.

10. The blowing assembly of claim 8 wherein the flap step comprises a plurality of flap sub-steps, the flange step comprises a plurality of flange sub-steps, a plurality of the flap sub-steps are connected to form the flap step, and a plurality of the flange sub-steps are connected to form the flange step.

11. The air blowing assembly of claim 8, wherein the plurality of flap sub-steps comprises a first sub-step and a second sub-step, the first sub-step comprises a first sub-face and a first sub-side, the second sub-step comprises a second sub-face and a second sub-side, the first sub-face is connected to the first sub-side, the flap side is connected to the first sub-face and the second sub-face, and an included angle formed by the second sub-face and the second sub-side is an obtuse angle.

12. The blowing assembly of claim 8, wherein the flange step comprises a flange bottom surface, the flap step comprises a flap top surface, the flange bottom surface is opposite to the flap top surface and has a gap, the flange bottom surface is provided with an annular groove, the cross section of the annular groove in the circumferential direction of the flange is in an inverted trapezoid shape, the annular groove comprises a first side wall surface, a second bottom surface and a second side wall surface which are sequentially connected, the first side wall surface and the second side wall surface are opposite to each other and are both connected with the flange bottom surface, the width of the second bottom surface is larger than the width of an opening part of the annular groove in the radial direction of the annular groove, an annular ring is arranged in the annular groove, extends out of the annular groove and is abutted with the first side wall surface and the second side wall surface, and the annular ring has a gap with the second bottom surface.

13. The blowing assembly of claim 12 wherein there are a plurality of annular grooves and a plurality of annular rings, one of said annular rings being disposed in each of said annular grooves.

14. The air blowing assembly of claim 1 further comprising an air pump and a conduit, an outlet of the conduit communicating with an inlet of the air inlet passage of the flange, the air pump communicating with an inlet of the conduit for air supply.

15. The air blowing assembly of claim 14, wherein the outlets of a plurality of said conduits are equally spaced circumferentially about said flange, and the inlet of said air inlet passage is plural, the outlet of each said conduit communicating with the inlet of a corresponding one of said air inlet passages.

16. A dryer comprising a blowing assembly as claimed in any one of claims 1 to 15.