CN114963367B - Airflow generating device and humidifier - Google Patents

Airflow generating device and humidifier Download PDF

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Publication number
CN114963367B
CN114963367B CN202210750555.2A CN202210750555A CN114963367B CN 114963367 B CN114963367 B CN 114963367B CN 202210750555 A CN202210750555 A CN 202210750555A CN 114963367 B CN114963367 B CN 114963367B
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CN
China
Prior art keywords
generating device
wind wheel
volute
falling
turnbuckle
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202210750555.2A
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Chinese (zh)
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CN114963367A (en
Inventor
高飞
李芯怡
陈凯鹏
徐锦元
刘旭美
林志荣
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Gree Electric Appliances Inc of Zhuhai
Original Assignee
Gree Electric Appliances Inc of Zhuhai
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Publication date
Application filed by Gree Electric Appliances Inc of Zhuhai filed Critical Gree Electric Appliances Inc of Zhuhai
Priority to CN202210750555.2A priority Critical patent/CN114963367B/en
Publication of CN114963367A publication Critical patent/CN114963367A/en
Priority to PCT/CN2022/140752 priority patent/WO2024001089A1/en
Application granted granted Critical
Publication of CN114963367B publication Critical patent/CN114963367B/en
Active legal-status Critical Current
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00Air-humidification, e.g. cooling by humidification
    • F24F6/02Air-humidification, e.g. cooling by humidification by evaporation of water in the air
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F13/00Details common to, or for air-conditioning, air-humidification, ventilation or use of air currents for screening
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24HEATING; RANGES; VENTILATING
    • F24FAIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F8/00Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying
    • F24F8/10Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering
    • F24F8/108Treatment, e.g. purification, of air supplied to human living or working spaces otherwise than by heating, cooling, humidifying or drying by separation, e.g. by filtering using dry filter elements

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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
  • Air Humidification (AREA)

Abstract

The invention relates to an airflow generating device and a humidifier, wherein the airflow generating device comprises a shell, a rotating source, a wind wheel and an anti-falling piece. The shell is provided with an air inlet, an air outlet and an air channel connected between the air inlet and the air outlet. The rotating source is fixedly arranged on the shell. The wind wheel is arranged in the air duct and is detachably connected with the rotating shaft of the rotating source. The anti-falling piece is detachably connected with the shell and is positioned on one side of the wind wheel away from the rotation source, and when the anti-falling piece is connected with the shell, the distance between the anti-falling piece and the central line of the air inlet is smaller than the radius of the wind wheel. The air flow generating device can overcome the defect that the running of the whole machine is influenced due to the fact that the wind wheel of the air flow generating device in the prior art is easy to deviate, and has better safety. In addition, the air flow generating device has the advantages of simple structure, convenient manufacture, practicality, safety, reliability and convenient implementation, popularization and application.

Description

Airflow generating device and humidifier
Technical Field
The invention relates to the technical field of household appliances, in particular to an airflow generating device and a humidifier.
Background
A humidifier is a home appliance that increases the humidity of a room, and is capable of humidifying a designated room. Humidity has great influence on life and health of people. With the improvement of living standard of people, air conditioners are widely used, and air conditioner diseases such as skin tightness, dry mouth and tongue, cough, cold and the like are caused to grow. Scientific evidence shows that the air humidity has close relation with human health and daily life. Medical research shows that when the humidity of a living room reaches 45-65% RH and the temperature is 20-25 ℃, the body and thinking of a person are in good states, and ideal effects can be obtained no matter working or resting.
However, after the humidifier is used for a long time, a large amount of dust can be accumulated on the wind wheel in the humidifier, so that the wind blown out of the humidifier becomes more and more turbid, and the indoor environment is polluted. The existing humidifier is inconvenient for a user to detach and clean the wind wheel of the humidifier. The prior art discloses a bladeless fan, including base subassembly and aircraft nose, be formed with the accommodation cavity in the base body, be provided with the spiral case in the accommodation cavity, detachable is connected with the wind wheel subassembly in the spiral case. The wind wheel assembly comprises a wind wheel body, a mounting part is arranged in the wind wheel body, a motor shaft is inserted into the mounting hole, the end part of the motor shaft is connected with a knob, and the motor shaft knob is screwed and fixed so that the wind wheel assembly is detachably mounted on the volute. When the wind wheel is disassembled, the knob is only required to be loosened, and the wind wheel body is disassembled and cleaned conveniently and rapidly. The user can detach the wind wheel from the motor and clean the wind wheel. In order to facilitate the disassembly and cleaning of the wind wheel, the inner diameter of the shell is generally required to be set to be larger than the outer diameter of the wind wheel, and once the knob loosens, the wind wheel is easy to deviate off, so that the operation of the whole machine is influenced.
Disclosure of Invention
Therefore, the technical problem to be solved by the invention is to overcome the defect that the running of the whole machine is influenced due to the fact that a wind wheel of the air flow generating device is easy to deviate from in the prior art, so that the air flow generating device and the humidifier with better safety are provided.
In order to solve the above problems, a first aspect of the present invention provides an airflow generating device, which includes a housing, a rotation source, a wind wheel, and an anti-drop member. The shell is provided with an air inlet, an air outlet and an air channel connected between the air inlet and the air outlet. The rotating source is fixedly arranged on the shell. The wind wheel is arranged in the air duct and is detachably connected with the rotating shaft of the rotating source. The anti-falling piece is detachably connected with the shell and is positioned on one side of the wind wheel away from the rotation source, and when the anti-falling piece is connected with the shell, the distance between the anti-falling piece and the central line of the air inlet is smaller than the radius of the wind wheel.
Further, the anti-falling piece is a circular guide sleeve.
Further, the inner diameter of the air guide sleeve is D1, and D1 is larger than 70mm and smaller than the diameter of the wind wheel.
Further, the housing includes:
the rotating source is fixedly arranged on the right volute;
the left volute can be in butt joint with the right volute, the air duct is formed between the left volute and the right volute, the air inlet is formed on the left volute, and the anti-falling piece is detachably connected with the left volute.
Further, the anti-falling piece is mutually clamped with the left volute; or alternatively, the first and second heat exchangers may be,
one of the anti-falling piece and the left volute is provided with a first turnbuckle groove 111 of the first turnbuckle 44, and the other one of the anti-falling piece and the left volute is provided with a turnbuckle matched with the turnbuckle groove.
Further, the airflow generating device further comprises an anti-falling knob, the rotating shaft of the rotating source penetrates through the rotating shaft hole of the wind wheel, and the anti-falling knob is in threaded connection with the end part of the rotating shaft.
Further, the anti-drop knob includes:
the metal nut is in threaded connection with the rotating shaft;
the anti-slip knob is positioned outside the metal nut and is fixedly connected with the metal nut.
Further, one side of the right volute far away from the left volute is provided with an installation groove, the rotation source is arranged in the installation groove, the right volute further comprises an anti-drop cover connected with the groove wall of the installation groove, and the anti-drop cover is positioned on one side of the rotation source far away from the rotating shaft and is propped against the rotation source.
Further, the anti-falling cover is connected with the mounting groove through a one-way buckle, the one-way buckle comprises a third clamping part and a fourth clamping part which are suitable for being mutually clamped, the third clamping part is arranged on one of the anti-falling cover and the mounting groove, and the fourth clamping part is arranged on the other of the anti-falling cover and the mounting groove.
Further, the anti-falling cover is connected with the mounting groove through a guide structure.
Further, a second turnbuckle is arranged on one of the anti-falling cover and the mounting groove, and a second turnbuckle groove matched with the second turnbuckle is arranged on the other one of the anti-falling cover and the mounting groove.
Further, the anti-drop cover is provided with a support frame facing the rotation source, and the support frame is suitable for supporting the rotation source and limiting the rotation source.
Further, the airflow generating device further comprises a filter screen, and the filter screen covers the air inlet of the shell.
Further, the anti-falling piece is positioned between the filter screen and the wind wheel, and a pressing part is formed on one side far away from the wind wheel and is propped against the filter screen.
A second aspect of the invention relates to a humidifier comprising the airflow generating device of the first aspect of the invention.
The invention has the following advantages:
1. according to the technical scheme, the anti-falling part positioned on one side of the wind wheel far away from the rotating source is additionally arranged on the shell, and the anti-falling part is detachably connected with the shell and is arranged to be smaller than the radius of the wind wheel with the center line of the air inlet. Therefore, even if the connection between the rotation source and the wind wheel is not firm enough, the anti-falling piece can prevent the wind wheel from falling off in the use process, so that the operation of the whole machine is influenced. Therefore, the air flow generating device of the first aspect of the invention can overcome the defect that the wind wheel of the air flow generating device in the prior art is easy to deviate, thereby influencing the operation of the whole machine and having better safety. In addition, the air flow generating device has the advantages of simple structure, convenient manufacture, practicality, safety, reliability and convenient implementation, popularization and application.
2. The humidifier of the second aspect of the invention comprises or uses the airflow generating device of the first aspect of the invention, so that the humidifier has the effect of the airflow generating device of the first aspect of the invention, namely, the defect that the wind wheel of the airflow generating device in the prior art is easy to separate, so that the operation of the whole machine is influenced, and the humidifier has better safety. In addition, the humidifier of the invention has the advantages of simple structure, convenient manufacture, practicality, safety, reliability and convenient implementation, popularization and application.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the description of the embodiments or the prior art will be briefly described, and it is obvious that the drawings in the description below are some embodiments of the present invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.
Fig. 1 shows an exploded view of an airflow generating device of embodiment 1 of the present invention;
FIG. 2 is a cross-sectional view of the air flow generating device of embodiment 1 of the present invention at an angle;
FIG. 3 is a cross-sectional view of the air flow generating device of embodiment 1 of the present invention at another angle;
FIG. 4 is an exploded view of the air flow generator of embodiment 1 of the present invention at another angle;
FIG. 5 is a perspective view of the anti-disengaging knob of the airflow generating device according to embodiment 1 of the invention at an angle;
FIG. 6 is a perspective view of the anti-disengaging knob of the airflow generating device according to embodiment 1 of the invention at another angle;
FIG. 7 is an exploded view of the anti-drop knob of the air flow generator of embodiment 1 of the present invention;
FIG. 8 is a view showing an anti-disengaging member of an airflow generating device according to embodiment 1 of the invention;
FIG. 9 is a view showing the anti-drop cover of the air flow generator of embodiment 1 of the present invention;
FIG. 10 is a view showing an air inlet grill of an air flow generating device according to embodiment 1 of the present invention;
fig. 11 is a left side view of the air flow generating device of embodiment 1 of the present invention in an assembled state, and the air inlet grille thereof is not shown;
FIG. 12 is a left volute of the airflow generating device of embodiment 1 of the invention;
fig. 13 is an enlarged view at a in fig. 12;
fig. 14 is a left volute of the airflow generating device of embodiment 1 of the invention;
fig. 15 is a right volute of the airflow generating device of embodiment 1 of the invention;
fig. 16 is a right volute of the airflow generating device of embodiment 1 of the invention;
FIG. 17 is a schematic view showing the flow direction of the air flow in the air flow generating device according to embodiment 1 of the present invention;
FIG. 18 is a cross-sectional view of the air flow generating device of embodiment 1 of the present invention, in which the anti-drop knob is selected as a nut;
FIG. 19 is a view showing the anti-drop cover of the air flow generator according to embodiment 2 of the present invention;
FIG. 20 is a view showing an anti-disengaging member of an airflow generating device according to embodiment 2 of the invention;
fig. 21 is a view showing the anti-drop member of the air flow generating device according to embodiment 2 of the present invention at another angle.
Reference numerals illustrate:
100. an air flow generating device; 1. a housing; 11. a left volute; 111. a first turnbuckle groove; 1111. a notch; 1112. blocking ribs; 1113. avoidance gap; 12. a right volute; 121. a mounting groove; 1213. a guide groove; 1214. support ribs; 122. an anti-falling cover; 1223. a support frame; 1224. a second turnbuckle; 1225. a guide protrusion; 1226. a heat radiation hole; 13. an air inlet; 14. an air duct; 15. an air outlet; 16. an air inlet grille; 161. a filter screen mounting groove; 2. a rotating source; 21. a rotating shaft; 3. a wind wheel; 4. an anti-falling member; 42. a pressing part; 43. a first engagement portion; 44. a first turnbuckle; 441. a first section; 442. a second section; 5. a filter screen; 6. an anti-drop knob; 61. a metal nut; 62. an anti-slip knob; 71. a third engagement portion; 72. a fourth engagement portion; 8. and (3) a nut.
Detailed Description
The following description of the embodiments of the present invention will be made apparent and fully in view of the accompanying drawings, in which some, but not all embodiments of the invention are shown. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
In the description of the present invention, it should be noted that the directions or positional relationships indicated by the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying 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 invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, 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 invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In addition, the technical features of the different embodiments of the present invention described below may be combined with each other as long as they do not collide with each other.
Example 1
Fig. 1 shows an exploded view of an airflow generating device of embodiment 1 of the present invention. Fig. 2 is a cross-sectional view of the airflow generating device according to embodiment 1 of the present invention at an angle. Fig. 3 is a cross-sectional view of the airflow generating device of embodiment 1 of the invention at another angle. Fig. 4 is an exploded view of the air flow generating device of embodiment 1 of the present invention at another angle. As shown in fig. 1 to 4, the present invention relates to an air flow generating device 100 including a housing 1, a rotation source 2, a wind wheel 3, and a drop preventing member 4. Wherein the housing 1 has an air inlet 13, an air outlet 15 and an air duct 14 connected between the air inlet 13 and the air outlet 15. The rotation source 2 is fixedly arranged on the housing 1. The wind wheel 3 is arranged in the air duct 14, and the wind wheel 3 is detachably connected with a rotating shaft 21 of the rotating source 2. The anti-falling piece 4 is detachably connected with the shell 1 and is positioned on one side of the wind wheel 3 far away from the rotation source 2, and when the anti-falling piece 4 is connected with the shell 1, the distance between the anti-falling piece 4 and the center line of the air inlet 13 is smaller than the radius of the wind wheel 3. The rotation source 2 may alternatively be a device capable of outputting rotation, such as an electric motor, an engine, a hydraulic motor, or a combination of one of them and a speed reducer, or the like.
As can be seen from the above-mentioned technical solution, the airflow generating device 100 of the present embodiment adds the anti-drop member 4 on the side of the wind wheel 3 away from the rotation source 2 to the housing 1. The anti-drop member 4 is detachably connected to the housing 1 and is arranged such that the distance from the centre line of the air inlet 13 is smaller than the radius of the wind wheel 3. Therefore, even if the connection between the rotation source 2 and the wind wheel 3 is not firm enough, the anti-falling piece 4 can prevent the wind wheel 3 from falling out in the using process, so that the operation of the whole machine is influenced. Therefore, the airflow generating device 100 of the embodiment can overcome the defect that the wind wheel 3 of the airflow generating device 100 in the prior art is easy to deviate from, thereby affecting the operation of the whole machine, and has better safety. In addition, the airflow generating device 100 of the embodiment has a simple structure, is convenient to manufacture, is practical, safe and reliable, and is convenient to implement, popularize and apply.
The anti-drop member 4 may be selected from a plurality of protrusions circumferentially arranged at the air inlet, or may be selected from a square frame or a circular ring arranged at the air inlet 13. Preferably, in this embodiment, the anti-drop member 4 is a circular dome. The annular air guide sleeve not only can prevent the wind wheel 3 from falling off, but also can guide the air to flow into the shell 1 so as to realize the flow guide. The inner diameter of the pod is D1, preferably D1 is greater than 70mm and less than the diameter of the rotor 3. The width of the hand of the person is typically less than 70mm, which allows the pod to function both to prevent the wind wheel 3 from backing out and to not impede the user's hand from reaching into and removing the pod.
In the present embodiment, as shown in fig. 14 and 15, the housing 1 includes a right scroll 12 and a left scroll 11. Wherein the rotary source 2 is fixedly arranged on the right volute 12. The left volute 11 can be in butt joint with the right volute 12, an air duct 14 is formed between the left volute 11 and the right volute 12, an air inlet 13 is formed on the left volute 11, and the anti-falling piece 4 is detachably connected with the left volute 11. The right volute 12 and the left volute 11 may be detachably connected by riveting, clamping or bolting, and preferably, in the present embodiment, the connection between the right volute 12 and the left volute 11 is a firm and reliable bolting. Providing the housing 1 to include the right volute 12 and the left volute 11 can facilitate assembly of the airflow generating device 100.
In this embodiment, the anti-falling member 4 and the left volute 11 may be engaged with each other. Specifically, as shown in fig. 8, one of the anti-falling member 4 and the left scroll 11 is provided with a first engaging portion 43, and the other of the anti-falling member 4 and the left scroll 11 is provided with a second engaging portion adapted to engage with the first engaging portion 43. The anti-falling member 4 and the left volute 11 may be detachably connected by a turnbuckle assembly, for example, a first turnbuckle groove 111 is provided on one of the anti-falling member 4 and the left volute 11, and a first turnbuckle 44 adapted to the first turnbuckle groove 111 is provided on the other one of the anti-falling member 4 and the left volute 11. When the anti-falling member 4 is connected with the left volute 11 through the first turnbuckle 44 and the first turnbuckle groove 111, since the first turnbuckle 44 and the first turnbuckle groove 111 are mainly locked through the locking force along the circumferential direction of the anti-falling member 4, and when the wind wheel 3 is about to fall out, the wind wheel 3 generally applies the impact force along the radial direction of the anti-falling member 4 to the anti-falling member 4, the first turnbuckle 44 and the first turnbuckle groove 111 are not easy to unlock due to the impact of the wind wheel 3, which is helpful for improving the running stability of the airflow generating device 100. Preferably, the rotation direction of the first turnbuckle 44 is set opposite to the rotation direction of the wind wheel 3, so that the stability of the operation of the airflow generating device 100 can be further improved.
As shown in fig. 12 and 13, in the present embodiment, the first turnbuckle 44 is provided on the anti-slip member 4 and includes a first section 441 extending toward the wind wheel 3 and a second section 442 extending in a direction away from the center line of the air inlet 13. The first turnbuckle groove 111 is provided on the left scroll 11 and includes a notch 1111 provided on a side wall of the intake port 13 in the circumferential direction. A blocking rib 1112 extending along the circumferential direction of the air inlet 13 is arranged in the opening 1111, and an avoidance gap 1113 is formed between the blocking rib 1112 and one side wall of the opening 1111. When the anti-falling member 4 is required to be mounted on the left volute 11, a user can put the first turnbuckle 44 into the opening 1111 through the avoiding gap 1113, and then rotate the anti-falling member 4 to rotate the anti-falling member 4 in a direction approaching to the blocking rib 1112, so that the anti-falling rib is engaged with the second section 442 of the first turnbuckle 44.
When the anti-release member 4 needs to be removed from the left volute 11, the user can reversely rotate the anti-release member 4 first, align the first turnbuckle 44 with the avoiding gap 1113 of the first turnbuckle groove 111, then move the anti-release member 4 in a direction away from the left volute 11, and take the first turnbuckle 44 out through the avoiding gap 1113, so that the anti-release member 4 is removed from the left volute 11. It should be noted that the above embodiment is only a preferred embodiment of the first turnbuckle groove 111 and the first turnbuckle groove 111, and is not the only embodiment of the first turnbuckle groove 111 and the first turnbuckle groove 111, and the first turnbuckle groove 111 may alternatively have other structures capable of being switched between the locked state and the unlocked state by rotation.
In this embodiment, the airflow generating device 100 preferably further includes a filter screen 5, and the filter screen 5 covers the air inlet 13 of the housing 1. The filter 5 may be a primary filter that filters hair, etc., or may be a HEPA filter that filters efficiently. The filter screen 5 can filter the air flow entering the shell 1, so that the wind wheel 3 is prevented from accumulating dust and other particles, and the frequency of disassembling and cleaning the wind wheel 3 is reduced.
In this embodiment, the anti-falling member 4 is preferably located between the filter screen 5 and the wind wheel 3, and a pressing portion 42 is formed on a side far away from the wind wheel 3. The pressing part 42 abuts against the filter screen 5, so that the filter screen 5 is prevented from being sucked and collapsed and being involved in the wind wheel 3 under the condition of large air quantity, and danger is avoided. The retaining member 4 may be provided so as to be in surface contact with the screen 5, and the entire side of the retaining member 4 facing the screen 5 may be used as the pressing portion 42. Preferably, in this embodiment, a protrusion or rib capable of abutting against the filter screen 5 is provided on a side of the anti-falling member 4 away from the wind wheel 3, and pressing the anti-falling member 4 by the protrusion or rib helps to save the material used for the anti-falling member 4. In this embodiment, as shown in fig. 10, the housing 1 further includes an air inlet grill 16 covering the outside of the filter screen 5, and the air inlet grill 16 helps to enhance the aesthetic appearance of the airflow generating device 100. Preferably, a filter screen mounting groove 161 is arranged on one side of the air inlet grille 16 facing the filter screen, and the filter screen mounting groove 161 can restrain the filter screen 5.
In this embodiment, as shown in fig. 6 and 7, the airflow generating device 100 further includes an anti-drop knob 6, and the rotation shaft 21 of the rotation source 2 passes through the rotation shaft hole of the wind wheel 3. The anti-drop knob 6 is in threaded connection with the end part of the rotating shaft 21, and the anti-drop knob 6 can restrict the wind wheel 3 on the rotating shaft 21 of the rotating source 2. When the wind wheel 3 needs to be cleaned, a user can detach the anti-falling piece 4 from the left volute 11, then rotate the anti-falling knob 6 to separate the anti-falling knob 6 from the rotating shaft 21, finally separate the wind wheel 3 from the rotating shaft 21, and take out the wind wheel 3 from the left volute 11.
When the cleaned wind wheel 3 is required to be installed in the shell 1, a user can firstly sleeve the wind wheel 3 on the rotating shaft 21 of the rotating source 2, then connect the anti-falling knob 6 with the rotating shaft 21 in a threaded manner, and finally install the anti-falling piece 4 on the left volute 11.
As shown in fig. 18, the anti-slip knob 6 may be selected as the nut 8, and preferably, in the present embodiment, the anti-slip knob 6 includes a metal nut 61 and an anti-slip knob 62. The metal nut 61 is screwed with the rotation shaft 21. The anti-slip knob 62 is located outside the metal nut 61 and fixedly connected with the metal nut 61. The metal nut 61 has a large strength and can reliably restrain the wind wheel 3 on the rotation shaft 21. The anti-slip knob 62 is preferably a plastic piece, which can facilitate the user to hold and rotate the anti-slip nut 8 by hand, thereby helping to reduce the cost of the anti-slip knob 6. The metal nut 61 may optionally be engaged with the metal nut 61 by a rib, and preferably, in the present embodiment, the anti-slip knob 62 is integrally injection-molded on the metal nut 61. The anti-slip knob 62 is preferably provided with anti-slip knurling which can facilitate the user to twist the anti-slip knob 6, so that the user can quickly assemble and disassemble the wind wheel 3 without using tools. As shown in fig. 5 and 11, a disassembly and assembly mark is provided on one side of the anti-drop knob 6 away from the rotating shaft 21, and the disassembly and assembly mark can be selected to include an arrow marked with a locking direction and an unlocking direction, and can also be selected to be other patterns or characters capable of prompting the user to rotate.
In this embodiment, the rotation source 2 may be fixedly disposed in the housing 1 through a motor bracket, and in order to save the volume occupied by the airflow generating device 100, a mounting groove 121 is preferably formed on a side of the right volute 12 away from the left volute 11, the rotation source 2 is disposed in the mounting groove 121, the right volute 12 further includes an anti-release cover 122 connected to a groove wall of the mounting groove 121, and the anti-release cover 122 is located on a side of the rotation source 2 away from the rotation shaft 21 and abuts against the rotation source 2. This enables the wind wheel 3 to be looped around the outside of the rotational source 2, making the structure of the airflow generating device 100 more compact.
In the present embodiment, as shown in fig. 9, the drop-off prevention cover 122 and the mounting groove 121 are connected by a one-way buckle, the one-way buckle includes a third engaging portion 71 and a fourth engaging portion 72 adapted to be engaged with each other, the third engaging portion 71 is provided on one of the drop-off prevention cover 122 and the mounting groove 121, and the fourth engaging portion 72 is provided on the other of the drop-off prevention cover 122 and the mounting groove 121. The unidirectional buckle can be convenient for the operator to assemble the anti-drop cover 122 to the right volute 12, but the user is difficult to detach the anti-drop cover 122 from the right volute 12, so that the situation that the rotating source 2 is detached due to misoperation of the user can be avoided, and the safety of the airflow generating device 100 of the device is improved. The third engaging portion 71 is provided on the drop-preventing cover 122 and includes a rim extending in a direction approaching the rotation source 2, and a receiving groove is provided on a side of the rim connected to the drop-preventing cover 122. The fourth engaging portion 72 is provided on the mounting groove 121, and the fourth engaging portion 72 includes an engaging portion adapted to be hooked on a groove wall of the accommodating groove and a guide slope inclined in a direction away from a center line of the mounting groove 121, which are sequentially provided in a direction approaching the anti-drop cover 122. The anti-drop cover 122 is preferably provided with a plurality of heat dissipation holes 1226 and fastening positions for facilitating heat dissipation of the working rotation source 2. The clasp hand can facilitate an operator grasping the drop-off cover 122 and mounting the drop-off cover 122 to the right volute 12. The mounting groove 121 is preferably formed with a plurality of radially extending support ribs 1214, and a sub-duct is formed between two adjacent support ribs 1214, as shown in fig. 17, so that the air flow can flow into the sub-duct through the gap between the anti-drop cover 122 and the mounting groove 121 under the driving of the rotation source 2, then flow into the duct through the sub-duct, and finally flow out through the air outlet. This enables the clearance between the drop-preventing cover 122 and the mounting groove 121 to also serve as an air inlet, contributing to an increase in the intake and output of the airflow generating device 100.
In the present embodiment, the drop-off preventing cover 122 and the mounting groove 121 are also connected by a guide structure. The guide structure can facilitate the operator to accurately mount the drop-off preventing cover 122 onto the mounting groove 121, preventing the drop-off preventing cover 122 from being mounted in a malposition. The guiding structure is preferably, but not limited to, a guiding slope mating with a guiding slope or a cone-cone mating with a cone, etc. For example, in the present embodiment, as shown in fig. 16, a guide protrusion 1225 is formed on one of the drop-off cover 122 and the mounting groove 121, and a guide groove 1213 adapted to receive and limit the guide protrusion 1225 is formed on the other.
Example 2
Embodiment 2 relates to an air flow generating apparatus 100, which is different from the air flow generating apparatus 100 of embodiment 1 in that, as shown in fig. 20 and 21, a release preventing cover 122 is connected to a mounting groove 121 by a screw-on assembly. The turnbuckle assembly comprises a second turnbuckle 1224 arranged on one of the anti-falling cover 122 and the mounting groove 121, and a second turnbuckle groove which is suitable for being matched with the second turnbuckle 1224 is arranged on the other one of the anti-falling cover 122 and the mounting groove 121. As shown in fig. 19, in the present embodiment, the second turnbuckle 1224 is provided on the anti-drop cover 122, and includes a first section extending toward the mounting groove 121 and a second section extending in a direction away from the center line of the mounting groove 121. The second turnbuckle groove is formed in the groove wall of the mounting groove 121 and comprises a notch formed in the groove wall of the mounting groove 121 along the circumferential direction, a blocking rib extending along the circumferential direction of the mounting groove 121 is arranged in the notch, and an avoidance gap is formed between the blocking rib and one side wall of the notch. When the anti-drop cover 122 is required to be mounted on the right volute 12, the user can put the second turnbuckle 1224 into the opening through the avoiding gap, and then rotate the anti-drop cover 122 to enable the anti-drop cover 122 to rotate towards the direction approaching to the blocking rib, so that the anti-drop rib is clamped with the second section of the second turnbuckle 1224.
When the anti-drop cover 122 needs to be removed from the right volute 12, the user can reversely rotate the anti-drop cover 122 first, align the second turnbuckle 1224 with the avoidance gap of the second turnbuckle groove, and then move the anti-drop cover 122 along the direction away from the right volute 12, so that the second turnbuckle 1224 is taken out through the avoidance gap, thereby removing the anti-drop cover 122 from the right volute 12. It should be noted that the above embodiment is only a preferred embodiment of the second turnbuckle groove and the second turnbuckle groove, and is not the only embodiment of the second turnbuckle groove and the second turnbuckle groove, and the second turnbuckle groove may alternatively be other structures capable of being switched between the locked state and the unlocked state by rotation.
Preferably, in the present embodiment, the anti-drop cover 122 is provided with a support 1223 facing the rotation source 2. The support 1223 is adapted to support and limit the rotary source 2, thereby avoiding shaking of the rotary source 2 during rotation, resulting in a shortened service life of the rotary source 2. Because the motor screw is required to be reversely screwed when the rotating source 2 is installed, the motor can be prevented from falling off, and the installation is convenient.
Example 3
Embodiment 3 relates to a humidifier, which comprises the airflow generating device 100 of embodiment 1 and embodiment 2, so that the humidifier has the beneficial effects of the airflow generating device 100 of embodiment 1 and embodiment 2, namely, the defect that the wind wheel 3 of the airflow generating device 100 in the prior art is easy to separate, so that the operation of the whole machine is influenced, and has better safety. In addition, the humidifier of embodiment 3 has the advantages of simple structure, convenient manufacture, practicality, safety, reliability and convenient implementation, popularization and application.
It is apparent that the above examples are given by way of illustration only and are not limiting of the embodiments. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. While still being apparent from variations or modifications that may be made by those skilled in the art are within the scope of the invention.

Claims (8)

1. An airflow generating device, characterized by comprising:
the device comprises a shell (1), wherein the shell (1) is provided with an air inlet (13), an air outlet (15) and an air duct (14) connected between the air inlet (13) and the air outlet (15);
a rotation source (2) fixedly arranged on the housing (1);
the wind wheel (3) is arranged in the air duct (14), and the wind wheel (3) is detachably connected with a rotating shaft (21) of the rotating source (2);
the anti-falling piece (4) is detachably connected with the shell (1) and is positioned on one side, far away from the rotation source (2), of the wind wheel (3), and when the anti-falling piece (4) is connected with the shell (1), the distance between the anti-falling piece (4) and the central line of the air inlet (13) is smaller than the radius of the wind wheel (3);
the housing (1) comprises:
the rotating source (2) is fixedly arranged on the right volute (12);
the left volute (11) can be in butt joint with the right volute (12), the air duct (14) is formed between the left volute (11) and the right volute (12), the air inlet (13) is formed on the left volute (11), and the anti-falling piece (4) is detachably connected with the left volute (11);
a mounting groove (121) is formed on one side, far away from the left volute (11), of the right volute (12), the rotation source (2) is arranged in the mounting groove (121), the right volute (12) further comprises an anti-drop cover (122) connected with the groove wall of the mounting groove (121), and the anti-drop cover (122) is positioned on one side, far away from the rotation shaft (21), of the rotation source (2) and is propped against the rotation source (2);
a plurality of supporting ribs (1214) extending radially are formed in the mounting groove (121), a sub-air channel is formed between two adjacent supporting ribs (1214), air flow can flow into the sub-air channel through the gap between the anti-falling cover (122) and the mounting groove (121) under the drive of the rotating source (2), then flows into the air channel through the sub-air channel, and finally flows out through the air outlet (15);
the airflow generating device (100) further comprises an anti-falling knob (6), a rotating shaft (21) of the rotating source (2) penetrates through a rotating shaft hole of the wind wheel (3), and the anti-falling knob (6) is in threaded connection with the end part of the rotating shaft (21);
one of the anti-drop cover (122) and the mounting groove (121) is provided with a second turnbuckle (1224), and the other is provided with a second turnbuckle groove matched with the second turnbuckle (1224);
the anti-drop cover (122) is provided with a support frame (1223) facing the rotation source (2), and the support frame (1223) is suitable for supporting and limiting the rotation source (2).
2. An airflow generating device according to claim 1, characterized in that the anti-drop member (4) is an annular deflector.
3. An airflow generating device according to claim 2, characterized in that the inner diameter of the nacelle is D1, said D1 being larger than 70mm and smaller than the diameter of the rotor (3).
4. The airflow generating device according to claim 1, characterized in that the anti-drop member (4) is engaged with the left volute (11); or alternatively, the first and second heat exchangers may be,
the anti-falling device is characterized in that one of the anti-falling piece (4) and the left volute (11) is provided with a first turnbuckle groove (111), and the other one of the anti-falling piece (4) and the left volute (11) is provided with a first turnbuckle (44) matched with the first turnbuckle groove (111).
5. The airflow generating device according to claim 1, characterized in that the anti-drop knob (6) comprises:
a metal nut (61) which is screwed to the rotating shaft (21);
and the anti-slip knob (62) is positioned outside the metal nut (61) and is fixedly connected with the metal nut (61).
6. The gas flow generating device according to any of claims 1-5, characterized in that the gas flow generating device (100) further comprises a sieve (5), the sieve (5) covering at the gas inlet (13) of the housing (1).
7. The airflow generating device according to claim 6, characterized in that the anti-falling piece (4) is positioned between the filter screen (5) and the wind wheel (3), and a pressing part (42) is formed on one side far away from the wind wheel (3), and the pressing part (42) is abutted against the filter screen (5).
8. A humidifier comprising the gas flow generating device of any one of claims 1-7.
CN202210750555.2A 2022-06-28 2022-06-28 Airflow generating device and humidifier Active CN114963367B (en)

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CN202210750555.2A CN114963367B (en) 2022-06-28 2022-06-28 Airflow generating device and humidifier
PCT/CN2022/140752 WO2024001089A1 (en) 2022-06-28 2022-12-21 Airflow generating device, and humidifier

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