CN201723476U - Square low-noise wall-shaped side wall fan - Google Patents
Square low-noise wall-shaped side wall fan Download PDFInfo
- Publication number
- CN201723476U CN201723476U CN2010202961509U CN201020296150U CN201723476U CN 201723476 U CN201723476 U CN 201723476U CN 2010202961509 U CN2010202961509 U CN 2010202961509U CN 201020296150 U CN201020296150 U CN 201020296150U CN 201723476 U CN201723476 U CN 201723476U
- Authority
- CN
- China
- Prior art keywords
- blower fan
- plate washer
- motor
- square
- inner core
- 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.)
- Expired - Fee Related
Links
Images
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a square low-noise wall-shaped side wall fan, which comprises a housing the vertical section of which is square, and a motor arranged in the housing, wherein the output end of the motor is fixed with an impeller, the housing is internally provided with a cylindrical inner barrel which encloses the motor and the impeller and is coaxial with the motor, the motor is fixed with the inner barrel through a support frame, one end of the inner barrel, which is far away from the impeller, is the air inlet of the fan, and the other end thereof is the air outlet of the fan. Since the cylindrical inner barrel is adopted, the low-noise wall-shaped side wall fan of the utility model is helpful to balance the air flow pressure on the arc-shaped surface of the section of the air flow in the fan, and reduces turbulence and air resistance, so that the air flow can more uniformly stably diffuse to farther places, the practicability of the product can be improved, at the same time, the stable flowing of the air flow also strengthens the radiating effect of the built-in motor, the operation stability and service life of the product can be improved, and since a damping material is adopted, the noise generated by the air flow movement and mechanical shock can be absorbed.
Description
Technical field
The utility model relates to the Fan Equipment field, relates in particular to the square wall type abutment wall of a kind of low noise blower fan.
Background technique
The abutment wall blower fan mainly is meant the axial-flow blower equipment that is embedded in wall, and its body length also is air channel length, and is consistent with thickness of wall body.Generally, be used for fixing with body of wall by disposing flange arrangement at abutment wall air inlet or exhaust outlet place.
At present, in order to construct with easy for installation, it is square structure that general housing designs with blower fan becomes vertical cross-section.Because the rotation of draught fan impeller directly is circular, and the structure in blower fan wind chamber is square, produces turbulent problem in the time of can causing air communication to cross square blower fan wind chamber, thereby causes the body wall resonance problem that machine operation is unstable and generation is bigger; In addition, because motor is connected for the direct connection kind of drive with impeller, impeller location is positioned at blower fan air channel air-out oral-lateral, and its position is near wall outer side, and the variation meeting of outside weather condition directly influences the proper functioning of abutment wall blower fan; For addressing the above problem, available technology adopting increases some supplementary structures at abutment wall fan outlet place, for example the outside of fan outlet adds rain cover or increases fence structure at the fan outlet place, and still, these supplementary structures can not thoroughly solve the influence of external environment to blower fan work; When the blower fan stall, ambient air can be gone into indoor from outside reverse flow, causes a large amount of losses of indoor heat in addition.
Summary of the invention
The utility model provides a kind of square wall type abutment wall of low noise blower fan that reduces turbulent flow and reduce resistance of air simple in structure, effective.
The square wall type abutment wall of a kind of low noise blower fan, comprise that vertical cross-section is square shell and is located at the interior motor of shell, be fixed with impeller on the output shaft of motor, be provided with in the described shell surround motor and impeller and with the cylindrical inner core of motor coaxle, motor is fixed by supporting frame and inner core, inner core is an air inlet away from an end of impeller, and the other end is a fan outlet.
It is square rectangular structure that the shell of blower fan is generally selected vertical cross-section for use, the consistency of thickness of the length of shell and the body of wall that will install; Generally reserve on the blower fan of needs installation abutment wall blower fan during construction the blower fan position is installed, the size that the blower fan position is installed matches with the size of actual abutment wall blower fan; Air stream produces turbulent flow in the blower fan in order to reduce, and reduces the noise that produces in the fan operation process, and the inner core of blower fan is designed to cylindrical; For the ease of the shell of blower fan and fixing of inner core, the intake grill end of blower fan is provided with first plate washer of vertical setting, first plate washer is the square metal plate, its size is identical with the shell of blower fan, the circular hole that is provided with at the middle part of first plate washer that a diameter equates with inner diameter of steel flue and aligns with the inner core intake grill, the outer ledge of first plate washer and the shell of blower fan are near an end sealing and fixing of intake grill, and the circular hole edge of first plate washer and the inner core of blower fan are near an end sealing and fixing of intake grill; The air opening end of blower fan is provided with second plate washer of vertical setting, second plate washer also is the square metal plate, its size equates with the shell of blower fan, the circular hole that second plate washer middle part is provided with that diameter equates with inner diameter of steel flue and aligns with the inner core exhaust outlet, the outer ledge of second plate washer and the shell of blower fan near exhaust outlet the other end fix, an end of the close exhaust outlet of the circular hole edge of second plate washer and the inner core of blower fan is fixed.Fill muffler material in the cavity that shell, first plate washer, second plate washer and inner core form.As sound-absorbing wave cotton common on the market.In order further to reduce the noise that fan operation produces, on the inner core of blower fan, be provided with some through holes.
In order to prevent the safe operation of blower fan, the intake grill end of blower fan is fixed with protective housing, fixes with first plate washer around the protective housing; Second plate washer and flow blower casing utilize flange to fix, and the flange the other end is used for fixing with body of wall.
The air opening end of blower fan is fixed with blinds, when preventing that blower fan is out of service, in the extraneous cool air or rainwater inlet chamber, also can effectively reduce indoor heat loss on the other hand.
When the square wall type abutment wall of low noise of the present utility model blower fan uses, at first open the fan power switch, the driven by motor wheel rotation produces negative pressure in the blower fan, and blinds is opened under the impact of air stream, and indoor gas is discharged from outdoor; When not needing air draft, close fan power when indoor, motor is out of service, and impeller stops operating, and blinds is closed, and indoor and external air insulated is avoided indoor heat loss.
The beneficial effects of the utility model are embodied in:
(1) the utility model adopts cylindrical inner tube structure to help stream pressure on each arc surface in air stream cross section in the balance blower fan, reduce turbulent flow, reduce resistance of air and noise, make and send diffusion motion that blast air can be more uniform and stable to the farther place, improve the practicability of product, the radiating effect of built-in motor has also been strengthened in the steady flow of air-flow simultaneously, improves the operation stability and the working life of product;
(2) the utility model adopts shell and the partially filled muffler material of inner core intermediate gaps with blower fan, further absorbs the noise that air motion and mechanical shock produce;
(3) installation of blinds can prevent effectively that outdoor rainwater, dust and natural wind to the indoor problem of pouring in down a chimney, effectively reducing indoor heat loss.
Description of drawings
Fig. 1 is the structural representation of the square wall type abutment wall of low noise of the present utility model blower fan;
Fig. 2 is the side view of the abutment wall blower fan of Fig. 1 along the A direction;
Fig. 3 is the side view of the abutment wall blower fan of Fig. 1 along the B direction.
Embodiment
Shown in Fig. 1～3, the square wall type abutment wall of a kind of low noise blower fan, comprise square shell 1 and be located at motor 2 in the shell 1, be fixed with impeller 3 on the output shaft of motor 2, be provided with in the shell 1 and surround motor 2 and impeller 3 and the cylindrical inner core 4 coaxial with motor 2, motor 2 is fixing with inner core 2 by supporting frame 11, and inner core 4 is an air inlet away from an end of impeller 3, and the other end is a fan outlet.
It is square rectangular structure that the shell 1 of blower fan is selected vertical cross-section for use, the consistency of thickness of the length of shell 1 and the body of wall that will install; Generally reserve on the blower fan of needs installation abutment wall blower fan during construction the blower fan position is installed, the size that the blower fan position is installed matches with the size of actual abutment wall blower fan.
Air stream produces turbulent flow in the blower fan in order to reduce, and reduces the noise that produces in the fan operation process, and the inner core 4 of blower fan is designed to cylindrical; For the ease of the shell of blower fan and fixing of inner core, the intake grill end of blower fan is provided with first plate washer 5 of vertical setting, first plate washer 5 is the square metal plate, its size is identical with the shell of blower fan, the circular hole that is provided with a diameter and inner core 4 equal diameters at the middle part of first plate washer 5 and aligns with inner core 4 intake grills, the outer ledge of first plate washer 5 and the shell of blower fan 1 are near an end sealing and fixing of intake grill, and the circular hole edge of first plate washer 5 and the inner core of blower fan 4 are near an end sealing and fixing of intake grill; At close fan outlet end, second plate washer, 6, the second plate washers 6 that are provided with vertical setting are the square metal plate, and its size equates with the shell 1 of blower fan, the circular hole that second plate washer, 6 middle parts are provided with diameter and inner core 4 equal diameters and align with inner core 4 exhaust outlets, the outward edge of second plate washer 6 is vertically turned up; The length of shell 1 is greater than the length of inner core 4, and the outward edge sealing and fixing of vertically turning up of second plate washer 6 grows the end of inner core 4 at shell 1, and the circular hole edge of second plate washer 6 and the inner core of blower fan 4 are fixed near an end of exhaust outlets.Shell 1, first plate washer 5, second plate washer 6 and the interior muffler material of filling of the cavity of inner core 4 formation.As sound-absorbing wave cotton common on the market.In order further to reduce the noise that fan operation produces, on the inner core 4 of blower fan, be provided with some through holes.Second plate washer 6 utilizes flange 9 fixing with flow blower casing 1, the fixing of the other end of flange 9 and body of wall.
In order to ensure the safe operation of blower fan, the intake grill end of blower fan is fixed with protective housing 8, and fixing with first plate washer 5 around the protective housing 8, protective housing 8 is the circular metal cover.
The air opening end of blower fan is fixed with blinds 10, when preventing that blower fan is out of service, in the extraneous cool air or rainwater inlet chamber, also can effectively reduce indoor heat loss on the other hand.
When the square wall type abutment wall of low noise of the present utility model blower fan uses, at first open the fan power switch, motor 2 impeller 3 are rotated, and produce negative pressure in the blower fan, and blinds 10 is opened under the impact of air stream, and indoor gas is discharged from outdoor; When not needing air draft, close fan power when indoor, motor 2 is out of service, and impeller 3 stops operating, and blinds 10 is closed, and indoor and external air insulated is avoided indoor heat loss.
Claims (7)
1. the square wall type abutment wall of low noise blower fan, comprise that vertical cross-section is square shell (1) and is located at the interior motor (2) of shell (1), be fixed with impeller (3) on the output shaft of motor (2), it is characterized in that, be provided with in the described shell (1) and surround motor (2) and impeller (3) and the cylindrical inner core (4) coaxial with motor (2), inner core (4) is an air inlet away from an end of impeller (3), and the other end is a fan outlet.
2. the square wall type abutment wall of low noise according to claim 1 blower fan, it is characterized in that, the intake grill end of described blower fan is provided with square first plate washer (5) of vertical setting, first plate washer (5) middle part is provided with the circular hole with motor inner core (4) equal diameters, the outer ledge of first plate washer (5) and shell (1) are near an end sealing and fixing of intake grill, and the interior mother rib lateral rotundum edge of first plate washer (5) and inner core (4) are near an end sealing and fixing of intake grill; The air opening end of blower fan is provided with square second plate washer (6) of vertical setting, second plate washer (6) middle part is provided with the circular hole with inner core (4) equal diameters, the outer ledge of second plate washer (6) and shell (1) are near an end sealing and fixing of exhaust outlet, and the interior mother rib lateral rotundum edge of second plate washer (6) and inner core (4) are near an end sealing and fixing of exhaust outlet.
3. the square wall type abutment wall of low noise according to claim 2 blower fan is characterized in that, described shell (1), first plate washer (5), second plate washer (6) and the interior muffler material (7) of filling of the cavity of inner core (4) formation.
4. the square wall type abutment wall of the low noise blower fan of stating according to claim 2 is characterized in that the intake grill end of described blower fan is fixed with protective housing (8), and is fixing with first plate washer (5) around the protective housing (8).
5. the square wall type abutment wall of low noise according to claim 2 blower fan is characterized in that, described second plate washer (6) utilizes flange (9) fixing with flow blower casing (1).
6. the square wall type abutment wall of low noise according to claim 1 blower fan is characterized in that the air opening end of described blower fan is fixed with blinds (10).
7. the square wall type abutment wall of low noise according to claim 1 blower fan is characterized in that described inner core is evenly distributed with some through holes on (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202961509U CN201723476U (en) | 2010-08-17 | 2010-08-17 | Square low-noise wall-shaped side wall fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202961509U CN201723476U (en) | 2010-08-17 | 2010-08-17 | Square low-noise wall-shaped side wall fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201723476U true CN201723476U (en) | 2011-01-26 |
Family
ID=43491797
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010202961509U Expired - Fee Related CN201723476U (en) | 2010-08-17 | 2010-08-17 | Square low-noise wall-shaped side wall fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201723476U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221018A (en) * | 2011-06-30 | 2011-10-19 | 福耀玻璃工业集团股份有限公司 | Energy-saving sound-proofing centrifugal fan set |
| CN103486062A (en) * | 2013-10-12 | 2014-01-01 | 李苏丹 | Novel fan |
| CN105221448A (en) * | 2015-10-30 | 2016-01-06 | 佛山市神风航空科技有限公司 | A kind of square tube blower fan facilitating engine cooling |
| CN105221449A (en) * | 2015-10-30 | 2016-01-06 | 佛山市神风航空科技有限公司 | A kind of square-tube-shaped blower fan |
| CN106523403A (en) * | 2016-12-27 | 2017-03-22 | 天津市金中基暖通净化设备有限公司 | Side wall type axial flow fan |
-
2010
- 2010-08-17 CN CN2010202961509U patent/CN201723476U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102221018A (en) * | 2011-06-30 | 2011-10-19 | 福耀玻璃工业集团股份有限公司 | Energy-saving sound-proofing centrifugal fan set |
| CN102221018B (en) * | 2011-06-30 | 2013-06-12 | 福耀玻璃工业集团股份有限公司 | Energy-saving sound-proofing centrifugal fan set |
| CN103486062A (en) * | 2013-10-12 | 2014-01-01 | 李苏丹 | Novel fan |
| CN105221448A (en) * | 2015-10-30 | 2016-01-06 | 佛山市神风航空科技有限公司 | A kind of square tube blower fan facilitating engine cooling |
| CN105221449A (en) * | 2015-10-30 | 2016-01-06 | 佛山市神风航空科技有限公司 | A kind of square-tube-shaped blower fan |
| CN105221448B (en) * | 2015-10-30 | 2018-02-23 | 佛山市神风航空科技有限公司 | A kind of square tube blower fan for facilitating engine cool |
| CN105221449B (en) * | 2015-10-30 | 2018-03-06 | 佛山市神风航空科技有限公司 | A kind of square-tube-shaped blower fan |
| CN106523403A (en) * | 2016-12-27 | 2017-03-22 | 天津市金中基暖通净化设备有限公司 | Side wall type axial flow fan |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201723476U (en) | Square low-noise wall-shaped side wall fan | |
| CN102828977B (en) | Energy-saving fan | |
| CN201779799U (en) | Natural wind ventilator | |
| CN202493456U (en) | Jet flow type induced ventilator | |
| CN111577636A (en) | Breed and use low noise centrifugal fan | |
| CN214626631U (en) | Internal heat radiation structure of micro turbine generator | |
| CN201301822Y (en) | Direct-connection roof fan | |
| CN208778241U (en) | The silencing means of Roots blower | |
| CN203516111U (en) | Noise insulation enclosure for roots blower | |
| CN208845403U (en) | A kind of axial flow blower | |
| CN205190287U (en) | Take axial fan of valve | |
| CN207906165U (en) | A kind of quick release large fan denoising device | |
| CN206708096U (en) | Noise-lowering centrifugal blower fan | |
| CN202082123U (en) | Air blower | |
| CN202149048U (en) | Compact type axial flow fan | |
| CN205190353U (en) | Take axial fan of guide plate | |
| CN202209701U (en) | Gas cooker | |
| CN2937878Y (en) | Absorption kitchen ventilator | |
| CN201206569Y (en) | Draught fan | |
| CN213684630U (en) | Mute axial flow fan | |
| KR200481142Y1 (en) | Explosion proof structure type exhaust fan of advanced low energy | |
| CN201318340Y (en) | Low noise axial-flow fan | |
| CN220083137U (en) | Novel smoke exhaust ventilator with external fan | |
| CN221120360U (en) | Split type pipeline fan | |
| CN217976657U (en) | Noise reduction device for large-air-volume air conditioner blower motor |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110126 Termination date: 20130817 |