KR101472759B1 - Fan with no blades - Google Patents

Fan with no blades Download PDF

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Publication number
KR101472759B1
KR101472759B1 KR1020140014247A KR20140014247A KR101472759B1 KR 101472759 B1 KR101472759 B1 KR 101472759B1 KR 1020140014247 A KR1020140014247 A KR 1020140014247A KR 20140014247 A KR20140014247 A KR 20140014247A KR 101472759 B1 KR101472759 B1 KR 101472759B1
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KR
South Korea
Prior art keywords
impeller
motor
main body
upper portion
fan
Prior art date
Application number
KR1020140014247A
Other languages
Korean (ko)
Inventor
이광식
Original Assignee
이광식
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Publication date
Application filed by 이광식 filed Critical 이광식
Priority to KR1020140014247A priority Critical patent/KR101472759B1/en
Application granted granted Critical
Publication of KR101472759B1 publication Critical patent/KR101472759B1/en

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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/06—Units comprising pumps and their driving means the pump being electrically driven
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/08—Sealings
    • F04D29/083—Sealings especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/64—Mounting; Assembling; Disassembling of axial pumps
    • F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D29/00—Details, component parts, or accessories
    • F04D29/60—Mounting; Assembling; Disassembling
    • F04D29/64—Mounting; Assembling; Disassembling of axial pumps
    • F04D29/644—Mounting; Assembling; Disassembling of axial pumps especially adapted for elastic fluid pumps
    • F04D29/646—Mounting or removal of fans
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04F—PUMPING OF FLUID BY DIRECT CONTACT OF ANOTHER FLUID OR BY USING INERTIA OF FLUID TO BE PUMPED; SIPHONS
    • F04F5/00—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow
    • F04F5/14—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid
    • F04F5/16—Jet pumps, i.e. devices in which flow is induced by pressure drop caused by velocity of another fluid flow the inducing fluid being elastic fluid displacing elastic fluids
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2210/00—Working fluids
    • F05D2210/10—Kind or type
    • F05D2210/12—Kind or type gaseous, i.e. compressible
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2240/00—Components
    • F05D2240/55—Seals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
    • F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
    • F05D2260/00—Function
    • F05D2260/30—Retaining components in desired mutual position
    • F05D2260/31—Retaining bolts or nuts
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S415/00—Rotary kinetic fluid motors or pumps

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

The present invention can easily disassemble the motor bucket and the impeller from the impeller housing by separating the vertical connecting pipe of the annular nozzle from the main body and reversing the main body only by reversing the main body so as to prevent foreign substances such as dust To a wingless fan that can be easily cleaned.
A wingless fan according to the present invention includes: a cylindrical body having an upper portion opened and a plurality of air inlet holes formed around the body; An annular nozzle disposed at an upper portion of the main body and having a vertical connecting pipe connected to the upper portion of the main body by detachable connecting means; A blowing unit mounted inside the main body to generate air to be drawn up to an upper portion of the main body by sucking air in the air inlet holes and being protruded to an upper portion of the main body with the impeller motor being vertically fixed; A motor cover member fixed to an inner lower portion of the vertical connection pipe and pressing the upper portion of the impeller motor to fix the impeller motor; .

Description

{FAN WITH NO BLADES}

The present invention relates to a fan-less fan, and more particularly, to a fan-type fan that can be easily disassembled from an impeller housing through a process of separating a vertical connection pipe of an annular nozzle from a main body and reversing the main body, And a fan-less fan for easily cleaning foreign matters such as dust and the like that are caught in the interior of the impeller housing.

Generally, the fan features a structure that blows the wind forward by rotating the wing through the driving force of the motor. This wing-type rotary fan is composed of a lower body placed on the floor and having a column at its center, a motor horizontally provided on the upper portion of the lower body and having a rotary shaft projected forward, wing mounted on the rotary shaft for generating wind, And a cover net covering the periphery of the wing.

However, the wing-rotary type fan having the above-described configuration has a problem that safety hazards are caused by children frequently putting fingers or chopsticks into the cover net.

In order to solve the above-mentioned problems, there has heretofore been known a fanless fan. As an example of such a fan fan assembly, Korean Patent Laid-Open Publication No. 2011-0099302 (hereinafter referred to as "a conventional fan assembly" As follows.

A conventional fan assembly includes an air inlet, an air outlet, a blended impeller, and a motor for rotating the impeller to create an air flow from the air inlet to the air outlet.

Wherein the motor is housed in a motor bucket comprising a top portion connected to the bottom portion, the top portion of the motor bucket comprising a diffuser, the motor bucket being installed at least partially within the impeller housing on the impeller housing.

The air outlet includes an internal passageway for receiving an air flow and a mouse for discharging the air flow, the air outlet forming an opening through which air from the outside of the fan assembly is discharged from the mouse Which is attracted by the air flow, and which motor has a rotor which, in use, can rotate at a speed of at least 5,000 rpm.

The upper portion of the motor bucket includes a diffuser in the form of a fixed disk with a helical wing. The motor bucket is positioned and mounted on the overall cone-shaped impeller housing connected to the main case portion.

However, in the conventional fan assembly having the above-described structure, the diffuser formed around the upper portion of the motor bucket is fixedly connected to the inner periphery of the impeller housing.

Therefore, conventionally, there is a problem that it is difficult for the user to clean the impeller mounted around the lower portion of the motor bucket and the foreign material such as the dust that is caught in the impeller housing due to the difficulty of the user to disassemble the motor bucket from the impeller housing.

In addition, when the conventional fan assembly is used for a long period of time, there is a problem that excessive noise is generated due to foreign substances remaining in the impeller housing.

Korean Patent Laid-Open Publication No. 2011-0099302 entitled "

Accordingly, the present invention has been made keeping in mind the above problems occurring in the prior art,

SUMMARY OF THE INVENTION It is an object of the present invention to provide a motor cover member for pressing and fixing an impeller motor to a lower portion of an inside of a vertical connection pipe constituting an annular nozzle, The present invention provides a wingless fan that allows a user to easily clean foreign materials such as dusts that are caught in the impeller and the impeller housing by allowing the bucket and the impeller to be easily disassembled from the impeller housing.

Another object of the present invention is to provide a wingless fan capable of easily disassembling a motor cover member mounted on a vertical connection pipe of an annular nozzle, thereby facilitating internal cleaning of the annular nozzle.

It is another object of the present invention to provide a method of easily disassembling a vertical connection pipe of an annular nozzle from an upper portion of a main body through a loosening of a bolt and a connecting means for connecting a vertical connection pipe of the annular nozzle to a main body, So that an annular nozzle and an injection mold for molding the main body can be easily manufactured.

Another object of the present invention is to provide a fan-less fan capable of improving the sealing force between the lower portion of the vertical connecting pipe of the annular nozzle and the upper portion of the impeller housing.

It is another object of the present invention to provide a fan-less fan capable of easily assembling a motor bucket having an impeller inside an impeller housing only through insertion.

In order to achieve the above object, a "wingless fan" according to the present invention comprises: a cylindrical body having an upper portion opened and a plurality of air inlet holes formed around the upper portion; An annular nozzle disposed at an upper portion of the main body and having a vertical connecting pipe connected to the upper portion of the main body by detachable connecting means; A blowing unit mounted inside the main body to generate air to be drawn up to an upper portion of the main body by sucking air in the air inlet holes and being protruded to an upper portion of the main body with the impeller motor being vertically fixed; A motor cover member fixed to an inner lower portion of the vertical connection pipe and pressing the upper portion of the impeller motor to fix the impeller motor; Wherein the motor cover member includes: a circular pressure plate for pressing the upper portion of the impeller motor; a cone pipe sloping downward from an outer periphery of the pressure plate to a lower outer side; And a connection portion connecting the lower circumference of the conical tube and the inner circumference of the vertical connection tube, wherein the connection portion includes a circular ring closely attached to the inner circumference of the vertical connection tube and fixed to the vertical connection tube by bolts, And a plurality of connecting rods interconnecting the inner circumferential surface of the ring and the lower circumferential surface of the conical tube and allowing the wind to pass from the lower portion to the upper portion through the space, A plurality of protrusions formed at an upper portion of the main body and formed with a plurality of taps, And a plurality of bolts inserted through the assembly holes and fastened to the tapped holes, wherein a packing insertion groove is further formed in a lower portion of the protrusion, and a lower end of the protrusion and a lower end of the impeller housing And a packing for sealing the periphery is further provided.

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The blower of the "wingless fan" according to the present invention includes an impeller housing having an impeller mounting portion which is inserted and fixed in the main body and has upper and lower openings therein, A plurality of inclined fixing vanes protruding from the inner surface of the impeller mounting portion to be closely attached to the impeller mounting portion, the impeller mounting portion being mounted in the impeller mounting portion, the outer peripheral edge of the impeller mounting portion being formed in a cone shape, The impeller includes a bucket, an impeller motor inserted and fixed so as to protrude upwardly from the motor mounting groove, and a motor rotation shaft penetrating downward. The impeller motor is rotatably mounted between the lower periphery of the motor bucket and the impeller mounting portion, And an impeller which is made of a synthetic resin.

Further, in the "wingless fan" according to the present invention, a plurality of support protrusions for receiving the slant fixing vanes are further formed on the inner periphery of the impeller mounting portion, and the slant fixing vanes are inserted and fixed to the upper portion of the support protrusions And an insertion fixing groove is further formed.

As described above, since the motor bucket and the impeller can be easily disassembled from the impeller housing through the process of separating the vertical connecting pipe of the annular nozzle from the main body and reversing the main body, the user can easily separate the impeller and the impeller housing It is possible to easily clean the inside of the main body, and at the same time, it is possible to clean the inside of the main body at any time, thereby reducing the noise generated due to the residual of foreign matter .

In addition, the present invention facilitates internal cleaning of the annular nozzle by easily disassembling the motor cover member mounted on the vertical connecting pipe of the annular nozzle, thereby providing convenience in cleaning the inside of the annular nozzle.

Further, according to the present invention, the vertical connection pipe of the annular nozzle can be easily disassembled from the upper part of the main body through the loosening of the bolt, thereby reducing the internal cleaning and repairing time. In addition, the manufacturing cost of the fan can be reduced by simply forming an annular nozzle and an injection mold for molding the annular nozzle by connecting the vertical connecting pipe of the annular nozzle and the main body.

Further, the present invention improves the sealing performance between the lower portion of the vertical connecting pipe of the annular nozzle and the upper portion of the impeller housing, thereby further improving the wind discharging performance of the fan.

In addition, the present invention can easily assemble the motor bucket having the impeller mounted inside the impeller housing only through insertion, thereby further improving the assembling productivity of the fan.

1 shows a fan according to the present invention,
1A is a perspective view,
1B is a front view,
1C is a side view.
2 is a cross-sectional view taken along the line AA of Fig.
3 is an enlarged view of a portion B in Fig.
4 is an exploded perspective view of a fan according to the present invention.
FIG. 5 is an exploded perspective view of an electric fan according to the present invention. FIG.

Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. It should be understood, however, that the invention can be embodied in many different forms and should not be construed as limited to the embodiments set forth herein.

FIG. 1 is a perspective view of a fan according to the present invention, FIG. 1B is a front view, and FIG. 1C is a side view. FIG. 4 is an exploded perspective view of the fan according to the present invention, and FIG. 5 is an exploded perspective view of the electric fan according to the present invention. FIG. .

As shown in the figure, the fan according to the present invention includes a cylindrical body 1 which is erected on the floor and has an open top, and a vertical connection pipe 21 disposed on the upper portion of the main body 1 An annular nozzle 2, a blowing portion 3 mounted inside the main body 1 and fixed to an upper portion of the main body 1 by vertically fixing the impeller motor 33, And a motor cover member 4 which is provided in the inside of the impeller motor 21 and presses the upper portion of the impeller motor 33.

A plurality of air inflow holes 11 are formed around the main body 1 so as to suck outside air from the air inflow portion 3. The air inlet holes 11 may be formed at a lower portion of the air flow-introducing portion 3 so that air can be sucked while reducing noise.

1 and 2, the annular nozzle 2 constituting the present invention is disposed at an upper portion of the main body 1, and a vertical connection pipe 21 formed at a lower portion thereof, The connection means 5 is detachably connected to the upper portion of the main body 1 by means of a connecting means 5. A detailed description of the connecting means 5 will be described later.

The annular nozzle 2 is formed in an annular shape around the upper portion of the vertical connection pipe 21 and has an annular spray case 22 having a flow passage for blowing wind around the inside thereof, And a nozzle unit 23 formed around the rear side of the inner side to spray wind forward. The annular jet case 22 having the nozzle unit 23 is already known, and a detailed description thereof will be omitted.

As shown in FIGS. 2 to 5, the blow-in unit 3 constituting the present invention is mounted inside the main body 1 and sucks air in the air inflow holes 11 And acts to generate a wind rising to the upper portion of the main body 1.

The impeller housing 31 has an impeller mounting portion 311 which is inserted and fixed in the main body 1 and has upper and lower openings, And a motor bucket 32 protruding from the outer periphery of the impeller mounting portion 311 and mounted on the inner surface of the impeller mounting portion 311. In addition, the outer periphery of the lower portion of the motor bucket 32 is formed in a cone shape, and a motor mounting groove 322 having an open upper portion is formed therein.

The inflow portion 3 includes an impeller motor 33 which is inserted into the motor mounting groove 322 so as to be protruded upward and through which the motor rotating shaft 331 passes downwardly and a lower portion of the motor bucket 32 And an impeller (34) rotatably mounted between the circumference and the impeller mounting portion (311) and connected to the motor rotating shaft (331).

The present invention is advantageous in that the motor bucket 32 having the impeller mounted on the impeller mounting portion 311 formed inside the impeller housing 31 can be easily assembled only by inserting the impeller and the annular nozzle 2, The motor bucket 32 is disassembled simply by turning the main body 1 upside down after the main body 1 is detached from the main body 1. A detailed description of the disassembling process of the motor bucket 32 will be described later.

A plurality of support protrusions 312 are formed on the inner circumference of the impeller mounting portion 311 to receive the inclined fixing vanes 321 so as to firmly fix the lower portion of the inclined fixing vanes 321 desirable. The slant fixing vanes 321 are inserted into and fixed to the upper portion of the receiving protrusion 312 so that the receiving protrusions 312 can be inserted and fixed without the flow of the slant fixing vanes 321. [ ) Is further formed. It is most preferable that the insertion fixing groove 312a is formed as a V-shaped groove so that the lower portion of the slant fixing vane 321 can be easily inserted.

2 to 5, the motor cover member 4 constituting the present invention is fixed to the inner lower part of the vertical connection pipe 21 to press the upper portion of the impeller motor 33, And serves to fix the impeller motor 33.

The motor cover member 4 includes a circular pressure plate 33 for pressing the upper portion of the impeller motor 33 so as to press the upper portion of the impeller motor 33 to prevent a fine flow of the impeller motor 33 A conical tube 42 formed to be inclined downward from the outer periphery of the pressure plate 41 to the outside of the lower portion of the pressure plate 41; And a connecting portion 43 connecting the inner circumference of the tube 21.

The connection portion 43 is a circular ring fixed to the vertical connection pipe 21 by the bolts 433 in close contact with the inner circumferential surface of the vertical connection pipe 21 so that the motor cover member 4 can be easily disassembled. (431), and a plurality of connecting rods (432) interconnecting the inner circumferential surface of the circular ring (431) and the lower circumference of the conical tube (42) and allowing the wind to pass from the lower part to the upper part through the space desirable. Therefore, the present invention facilitates the internal cleaning of the annular nozzle 2 by easily disassembling the motor cover member 4 through the release of the bolts 433 fixing the circular ring 431 There is also.

2 to 5, the connecting means 5 constituting the present invention is constituted such that the vertical connecting pipe 21 of the annular nozzle 2 can be easily disassembled from the upper part of the main body 1, A protrusion 51 protruding to a lower portion of the circular ring 431 and inserted into an upper portion of the upper portion of the main body 1 to form a plurality of tapped holes 511; A plurality of assembly holes 52 formed at positions corresponding to the mounting holes 511 and a plurality of bolts 53 penetrating the mounting holes 52 and fastened to the tap holes 511. [

The vertical connection pipe 21 of the annular nozzle 2 is easily disassembled from the upper part of the main body 1 through the release of the bolts 53 fastened to the upper part of the main body 1, The cleaning time of the inside of the main body 1 can be shortened, and the time required for the inside cleaning of the main body 1 can be shortened. In addition, the present invention is characterized in that the connecting means 5 for connecting the vertical connecting pipe 21 of the annular nozzle 2 with the main body 1 is simply constituted to form the annular nozzle 2 and the main body 1, It is possible to lower the manufacturing cost of the fan.

2 to 5, a packing insertion groove 512 is further formed in a lower portion of the protrusion 51 and a protrusion 51 is formed in the packing insertion groove 512. [ And a packing 6 for sealing the upper end of the impeller housing 31 and the upper end of the impeller housing 31. Accordingly, the packing 6 is mounted between the lower portion of the protrusion 51 and the upper portion of the impeller housing 31, and the lower portion of the vertical connection pipe 21 and the upper portion of the impeller housing 31 By improving the sealing force, the wind discharging performance of the fan can be further improved.

Hereinafter, the operation of the fan according to the present invention will be described.

1 to 5, when cleaning the inside of the fan in accordance with the present invention, the bolts 53 fastened around the upper portion of the main body 1 are loosened and the bolts 53 ).

The vertical connection pipe 21 of the annular nozzle 2 connected to the upper portion of the main body 1 is disassembled from the upper portion of the main body 1 by lifting the vertical connection pipe 21 of the next annular nozzle 2 upwardly . In the process of disassembling the vertical connection pipe 21 from the upper portion of the main body 1 as described above, the motor cover member 4 mounted on the inner lower portion of the vertical connection pipe 21 is also connected with the vertical connection pipe 21 Decomposed.

When the next main body 1 is retracted, the motor bucket 32 inserted in the impeller housing 31 is disengaged and disassembled into the main body 1. In the process of disassembling the motor bucket 32, the impeller 34 mounted on the lower portion of the motor bucket 32 is also detached from the motor bucket 32 along with the motor bucket 32.

Next, the inside of the main body 1 is cleaned by cleaning the detached motor bucket 32 and the impeller 34 from the outside and cleaning the inside of the impeller housing 31.

The vertical connection pipe 21 of the annular nozzle 2 is detached from the main body 1 and the motor bucket 32 and the impeller 34 are connected to each other only through the process of reversing the main body 1, The impeller 34 and the impeller housing 31 can be easily cleaned by foreign matter such as dust that is caught by the user.

Therefore, the fan according to the present invention provides a convenience of cleaning the inside of the main body 1, and at the same time, it is a useful invention which can reduce the noise generated due to the residual of foreign matter by easily cleaning the inside of the main body 1 .

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments. It is clear that the present invention can be suitably modified and applied in the same manner. Therefore, the above description does not limit the scope of the present invention, which is defined by the limitations of the following claims.

While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the scope of the present invention.

1: Body
11: air inlet hole
2: Annular nozzle
21: Vertical connector
22: Annular spray case
23:
3:
31: impeller housing
311: Impeller mounting portion, 312: Support projection,
312a: an insertion fixing groove
32: Motor bucket
321: a slant fixing blade, 322: a motor mounting groove
33: Impeller motor
331: Motor rotation axis
34: impeller
4: motor cover member
41:
42: cone tube
43:
431: circular ring, 432: connecting rod, 433: bolt
5: Connection means
51:
511: tap hole, 512: packing insertion groove
52: Assembly hole
53: Bolt
6: Packing

Claims (7)

A cylindrical body 1 having an upper portion thereof opened and a plurality of air inlet holes 11 formed around the body portion 1; An annular nozzle 2 disposed at an upper portion of the main body 1 and having a vertical connection pipe 21 connected to the upper portion of the main body 1 by detachable connecting means 5; The air is drawn into the air inlet holes 11 through the inside of the main body 1 to generate a wind rising to the upper portion of the main body 1 and the impeller motor 33 is vertically fixed, 1), and a plurality of protrusions (3) A motor cover member 4 fixed to an inner lower portion of the vertical connection pipe 21 to press the upper portion of the impeller motor 33 to fix the impeller motor 33; Including,
The motor cover member 4 includes a circular pressure plate 41 for pressing the upper portion of the impeller motor 33 and a conical pipe 42 formed to be inclined downward from the outer periphery of the pressure plate 41, And a connecting portion 43 connecting the lower circumference of the conical tube 42 and the inner circumference of the vertical connecting tube 21 while allowing the wind to pass from the lower portion to the upper portion,
The connection part 43 includes a circular ring 431 closely attached to the inner circumferential surface of the vertical connection pipe 21 and fixed to the vertical connection pipe 21 by bolts 433, And a plurality of connecting posts (432) interconnecting the lower circumference of the conical tube (42) and allowing the wind to pass from the lower to the upper through the interspace,
The connecting means 5 includes a protrusion 51 protruding to the lower portion of the circular ring 431 and inserted into an upper portion of the inside of the main body 1 to form a plurality of tapped holes 511, A plurality of bolts 53 penetrating through the assembly hole 52 and being fastened to the tapped holes 511 are formed at positions corresponding to the tapped holes 511 around the upper portion of the assembly hole 52, ≪ / RTI &
A packing insert groove 512 is further formed in the lower portion of the protrusion 51 so that the packing insert groove 512 has a packing 6 for sealing the lower end of the protrusion 51 and the upper periphery of the impeller housing 31 Wherein the fan is provided with a fan.
The method according to claim 1,
The blowing section (3)
An impeller housing 31 inserted and fixed in the main body 1 and having an upper and lower lowered impeller mounting portion 311 formed therein,
A plurality of inclined fixing vanes 321 protruding from the outer periphery of the upper portion of the impeller mounting portion 311 are formed on the inner surface of the impeller mounting portion 311 so as to be attached to the impeller mounting portion 311, A motor bucket 32 in which a motor mounting groove 322 having an open top is formed,
The impeller motor 33 is inserted into the motor mounting groove 322 so as to be protruded upward and penetrates the motor rotation shaft 331 downward,
An impeller 34 rotatably mounted between the lower periphery of the motor bucket 32 and the impeller mounting portion 311 and connected to the motor rotating shaft 331,
A wingless fan featuring included.
3. The method of claim 2,
A plurality of support protrusions 312 for receiving the slant fixing vanes 321 are further formed on the inner periphery of the impeller mounting portion 311,
And an insertion fixing groove (312a) in which the slant fixing vane (321) is inserted and fixed is formed on an upper portion of the receiving protrusion (312). delete delete delete delete
KR1020140014247A 2014-02-07 2014-02-07 Fan with no blades KR101472759B1 (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20160149051A (en) 2015-06-17 2016-12-27 주식회사 도무스씨앤엠 No blades fan
KR20160148924A (en) 2015-06-17 2016-12-27 주식회사 도무스씨앤엠 Body support apparatus for no blades fan
KR20160150387A (en) 2015-06-22 2016-12-30 최일호 fan embedding type electric fan
KR20170129027A (en) 2016-05-16 2017-11-24 이광식 Blower of no blades fan
KR20170129030A (en) 2016-05-16 2017-11-24 이광식 Tilting device of no blades fan
WO2018196437A1 (en) * 2017-04-29 2018-11-01 应辉 Bladeless fan and air outlet cylinder thereof
KR101991487B1 (en) 2018-03-23 2019-06-20 (주)메가트론 Tiltable holder for fan and fan apparatus having this same
WO2019200910A1 (en) * 2018-04-20 2019-10-24 宋振明 Bladeless fan having improved air duct structure
KR20210029271A (en) * 2018-07-23 2021-03-15 다이슨 테크놀러지 리미티드 Wearable air purifier
WO2022071620A1 (en) * 2020-09-30 2022-04-07 에스아이지(주) Blower

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JP5368606B2 (en) * 2009-03-04 2013-12-18 ダイソン テクノロジー リミテッド Fan assembly

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JP2010077969A (en) * 2008-09-23 2010-04-08 Dyson Technology Ltd Fan
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JP5368606B2 (en) * 2009-03-04 2013-12-18 ダイソン テクノロジー リミテッド Fan assembly

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Publication number Priority date Publication date Assignee Title
KR20160149051A (en) 2015-06-17 2016-12-27 주식회사 도무스씨앤엠 No blades fan
KR20160148924A (en) 2015-06-17 2016-12-27 주식회사 도무스씨앤엠 Body support apparatus for no blades fan
KR20160150387A (en) 2015-06-22 2016-12-30 최일호 fan embedding type electric fan
KR20170129027A (en) 2016-05-16 2017-11-24 이광식 Blower of no blades fan
KR20170129030A (en) 2016-05-16 2017-11-24 이광식 Tilting device of no blades fan
WO2018196437A1 (en) * 2017-04-29 2018-11-01 应辉 Bladeless fan and air outlet cylinder thereof
KR101991487B1 (en) 2018-03-23 2019-06-20 (주)메가트론 Tiltable holder for fan and fan apparatus having this same
WO2019200910A1 (en) * 2018-04-20 2019-10-24 宋振明 Bladeless fan having improved air duct structure
KR20210029271A (en) * 2018-07-23 2021-03-15 다이슨 테크놀러지 리미티드 Wearable air purifier
KR102384548B1 (en) 2018-07-23 2022-04-08 다이슨 테크놀러지 리미티드 wearable air purifier
WO2022071620A1 (en) * 2020-09-30 2022-04-07 에스아이지(주) Blower
KR20220058525A (en) * 2020-09-30 2022-05-09 조양메디케어(주) blower
KR102568173B1 (en) * 2020-09-30 2023-08-18 조양메디케어(주) blower

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