CN207701411U - Monoblock cast Middle pressure draught fan - Google Patents
Monoblock cast Middle pressure draught fan Download PDFInfo
- Publication number
- CN207701411U CN207701411U CN201721826192.7U CN201721826192U CN207701411U CN 207701411 U CN207701411 U CN 207701411U CN 201721826192 U CN201721826192 U CN 201721826192U CN 207701411 U CN207701411 U CN 207701411U
- Authority
- CN
- China
- Prior art keywords
- air inlet
- inlet flange
- middle pressure
- fan casing
- pressure draught
- 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
Links
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model is related to Middle pressure draught fan fields, it is intended to provide a kind of monoblock cast Middle pressure draught fan that can change air volume at air intake vent, its key points of the technical solution are that including motor, impeller, Fan casing with air outlet, end cap and air inlet flange, motor is fixed on the side of Fan casing, impeller is arranged in Fan casing, the setting of air inlet flange deviates from motor side in end cap, air inlet flange is equipped with lug away from end cap one end, lug is equipped with pin hole, pin is equipped in pin hole, lug is connected with flow-stopping plate by pin, air inlet flange is equipped with several mounting grooves away from one end of end cap, magnet is equipped in mounting groove, flow-stopping plate is equipped with iron plate close to one end of air inlet flange, iron plate is adsorbed by magnet.Change the size of air intake vent by rotating flow-stopping plate by using above-mentioned technical proposal, to change air volume at air intake vent, reduces the possibility that use scope is restricted.
Description
Technical field
The utility model is related to Middle pressure draught fan field, more particularly to a kind of monoblock cast Middle pressure draught fan.
Background technology
Common Middle pressure draught fan is centrifugal blower, and the impeller of wind turbine is cladded with mechanical cover, and the center of impeller is air inlet.In
When pressure fan works, power-equipment operating driving impeller rotation sucks air from air inlet, the blade of centrifugal blower rotated
Power effect is applied to gas in journey, improves the pressure and speed of gas, gas is under the influence of centrifugal force along leaf road from exhaust
Mouth discharge.
Currently, the Chinese patent that notification number is CN2651489Y discloses a kind of Middle pressure draught fan, it includes the machine in volute
Shell, the motor for being fixed on casing side are placed in casing and the impeller on machine shaft, casing be equipped with air intake vent and
Air outlet, the motor include the shaft with rotor, stator and cooling fan, and cooling fan is on shaft tail end, stator
It is set with shield, forms cooling wind channel between shield and stator equipped with space, the outer end face of shield is open and becomes cooling
The week of wind channel entrance, shield inner end becomes cooling wind channel outlet along between casing there are gap, and cooling fan is located at
In cooling wind channel.
Although this Middle pressure draught fan can air draught, air draft, the size of its air intake vent is fixed, leads to not adjust
Air quantity at air intake vent, use scope are restricted.
Utility model content
The purpose of this utility model is to provide a kind of monoblock cast Middle pressure draught fan, can change the big of air quantity at air intake vent
It is small, reduce the possibility that use scope is restricted.
The above-mentioned technical purpose of the utility model technical scheme is that：
A kind of monoblock cast Middle pressure draught fan, including motor, impeller, the Fan casing with air outlet, end cap and air inlet method
Orchid, the motor are fixed on the side of Fan casing, and the impeller is arranged in Fan casing, and the output shaft of the motor runs through wind turbine
Shell simultaneously extends to connection impeller in Fan casing, and the side for deviating from motor in Fan casing, the air inlet flange is arranged in the end cap
Setting deviates from motor side in end cap, and the air inlet flange is equipped with lug away from end cap one end, and the lug is equipped with pin hole,
Pin is equipped in the pin hole, the lug is connected with flow-stopping plate by pin, and the air inlet flange deviates from one end of end cap
Equipped with several mounting grooves, magnet is equipped in the mounting groove, the flow-stopping plate is equipped with iron close to one end of air inlet flange
Piece, the iron plate are adsorbed by magnet.
By using above-mentioned technical proposal, when needing to adjust air volume at air intake vent, by rotate flow-stopping plate come
Change the size of air intake vent, to change air volume at air intake vent, efforts personnel can be according to need of work to inlet air
The size of mouth is adjusted, and to change air volume at air intake vent, reduces the possibility that use scope is restricted.
Further setting：The pin is equipped with external screw thread, is equipped with and the matched internal thread of external screw thread, institute in the pin hole
It states and is connected through a screw thread between pin and pin hole.
It by using above-mentioned technical proposal, is connected through a screw thread between pin and pin hole, keeps flow-stopping plate stronger
The port for sheltering from air inlet flange, avoiding flow-stopping plate from falling off during blocking causes the air quantity at air intake vent to become
Change.
Further setting：The area of the flow-stopping plate deviates from the area of end cap one end not less than air inlet flange.
By using above-mentioned technical proposal, leaving unused in wind turbine makes, and rotates flow-stopping plate, flow-stopping plate can be by air inlet flange
Port whole block is lived, and dust is avoided to fall into port, is made troubles for the use of later stage wind turbine.
Further setting：The area of the iron plate is equal to the area of flow-stopping plate.
By using above-mentioned technical proposal, the area of iron plate is equal to the area of flow-stopping plate, according to need of work by flow-stopping plate
After rotating to certain angle, make the magnet that flow-stopping plate covers that can get at adsorpting iron plate, to which enhancing is to the limit of flow-stopping plate
Position effect, avoids flow-stopping plate during blower fan work from rotating, and changes air volume at air intake vent.
Further setting：Silencing cotton is equipped at the air outlet of the Fan casing.
By using above-mentioned technical proposal, the setting of silencing cotton can reduce generation noise at fan outlet, to reduce
Influence of the noise to working environment.
Further setting：The impeller is integrated casting impeller.
By using above-mentioned technical proposal, motor is rotated by output shaft impeller, since impeller is integrally casting, is subtracted
The possibility that small impeller blade in rotation process shakes, avoids the blade wobble effects exhaust effect on impeller.
Further setting：The Fan casing is arranged close to the side of motor in fluted body, is equipped with and reinforces at the cell wall of groove
Muscle, the central axis of the motor output shaft are overlapped with the central axis of groove.
By using above-mentioned technical proposal, the central axis of motor output shaft is overlapped with the central axis of groove, and groove
Cell wall at be equipped with reinforcing rib, improve the stability between motor and Fan casing.
Further setting：Width of the Fan casing close to air outlet one end is less than the width away from air outlet one end.
By using above-mentioned technical proposal, the air-flow in inspiration Fan casing is flowed with the rotation of impeller, and air-flow first passes through
It is compressed when crossing channel narrow in Fan casing, flows to air outlet in the channel Jing Guo Fan casing inner width, realize the purpose of air draft.
Further setting：Engine base is equipped with below the Fan casing, the engine base is integrally formed with Fan casing.
By using above-mentioned technical proposal, engine base is integrally formed with Fan casing and designs, and makes wind turbine during the work time more
It is firm, it avoids generating shaking between wind turbine and engine base, influences blower fan work effect.
Further setting：It is detachably connected between the air inlet flange and end cap.
By using above-mentioned technical proposal, if foreign matter is pasted leaf by wind turbine from the sucking of air inlet flange during the work time
When on wheel, air inlet flange can be disassembled, then the foreign matter on impeller is taken off from end cap, avoid the presence of foreign matter
Influence the working effect of wind turbine.
In conclusion the utility model has the advantages that：
1, the setting of flow-stopping plate can change air volume at the port of air inlet flange, and staff can be according to work
It needs air volume at the port to air inlet flange to be adjusted, reduces the possibility that use scope is restricted；
2, the setting of iron plate and magnet can limit flow-stopping plate, and staff is according to need of work by flow-stopping plate
After rotating to certain position, air inlet flange adsorbs the iron plate on flow-stopping plate with the magnet in flow-stopping plate intersection, from
And flow-stopping plate is limited, it avoids flow-stopping plate during blower fan work from rotating suddenly, influences blower fan work effect；
3, it is detachably connected between air inlet flange and end cap, it, can will be into when the impeller in Fan casing is adsorbed onto foreign matter
Tuyere flange disassembles the working effect for avoiding foreign body the presence of foreign matter from influencing wind turbine from end cap.
Description of the drawings
Fig. 1 is the structural schematic diagram for embodying utility model in the present embodiment；
Fig. 2 is the structural schematic diagram for embodying position relationship between motor and Fan casing in the present embodiment；
Fig. 3 is the structural schematic diagram for embodying position relationship between end cap and Fan casing in the present embodiment；
Fig. 4 is the portions the A schematic enlarged-scale view for embodying position relationship between air inlet flange and end cap in Fig. 3；
Fig. 5 is the structural schematic diagram for embodying position relationship between flow-stopping plate and air inlet flange in the present embodiment；
Fig. 6 is the portions the B schematic enlarged-scale view for embodying position relationship between mounting groove and air inlet flange in Fig. 5.
In figure, 1, motor；2, impeller；3, air outlet；4, Fan casing；5, end cap；6, air inlet flange；7, lug；8, it sells
Hole；9, pin；10, flow-stopping plate；11, mounting groove；12, magnet；13, iron plate；14, silencing cotton；15, reinforcing rib；16, engine base.
Specific implementation mode
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment：A kind of monoblock cast Middle pressure draught fan, as depicted in figs. 1 and 2, including motor 1, impeller 2, carry air outlet
3 Fan casing 4, end cap 5 and air inlet flange 6, motor 1 are fixed on the side of Fan casing 4, and Fan casing 4 is close to the side of motor 1
It is arranged in fluted body, reinforcing rib 15, the central axis of 1 output shaft of motor and the central axis weight of groove is equipped at the cell wall of groove
It closes, 4 lower section of Fan casing is equipped with to be less than with 4 integrally formed engine base 16 of Fan casing, width of the Fan casing 4 close to 3 one end of air outlet
Width away from 3 one end of air outlet, and silencing cotton 14 is equipped at the air outlet 3 of Fan casing 4, impeller 2 is arranged in Fan casing 4,
The output shaft of motor 1 is through Fan casing 4 and extends to connection impeller 2 in Fan casing 4, and impeller 2 is integrated casting impeller 2, end
The side for deviating from motor 1 in Fan casing 4 is arranged in lid 5, and the setting of air inlet flange 6 deviates from 1 side of motor, air inlet method in end cap 5
It is detachably connected between orchid 6 and end cap 5, in the present embodiment, is connected by screw between end cap 5 and air inlet flange 6.
As shown in Figure 3 and Figure 4, air inlet flange 6 is equipped with lug 7 away from 5 one end of end cap, and lug 7 is equipped with pin hole 8, pin
Pin 9 is equipped in hole 8, pin 9 is equipped with external screw thread, is equipped in pin hole 8 and the matched internal thread of external screw thread, pin 9 and pin hole 8
Between be connected through a screw thread, as shown in Figure 5 and Figure 6, lug 7 is connected with flow-stopping plate 10 by pin 9, and the area of flow-stopping plate 10 is not
Less than air inlet flange 6 in the area of 5 one end of end cap, the present embodiment, the area of flow-stopping plate 10 is carried on the back equal to air inlet flange 6
Area from 5 one end of end cap, air inlet flange 6 is equipped with several mounting grooves 11 away from one end of end cap 5, in the present embodiment, peace
Tankage is set as eight, and magnet 12 is equipped in mounting groove 11, and flow-stopping plate 10 is equipped with iron plate close to one end of air inlet flange 6
13, iron plate 13 is adsorbed by magnet 12, and the area of iron plate 13 is equal to the area of flow-stopping plate 10.
Implementation process：When need adjust air intake vent at air volume when, rotate flow-stopping plate 10, change flow-stopping plate 10 with into
The size of intersection between 6 port of tuyere flange, to change air volume at 6 air intake vent of air inlet flange, reduction makes
The possibility being restricted with range.
After the size of intersection between 6 port of flow-stopping plate 10 and air inlet flange is regulated, air inlet flange 6 and gear
Magnet 12 in 10 intersection of flowing plate adsorbs iron plate 13, to realize the limit to flow-stopping plate 10, avoids baffle
The size that plate 10 rotates intersection between leading to 6 port of flow-stopping plate 10 and air inlet flange changes, and influences the work of wind turbine
Make effect.
The above embodiments are only the explanation to the utility model, are not limitations of the present invention, ability
Field technique personnel can as needed make the present embodiment the modification of not creative contribution after reading this specification, but
As long as all being protected by Patent Law in the right of the utility model.
Claims (10)
1. a kind of monoblock cast Middle pressure draught fan, including motor (1), impeller (2), Fan casing (4), the end cap for carrying air outlet (3)
(5) and air inlet flange (6), the motor (1) are fixed on the side of Fan casing (4), and the impeller (2) is arranged in Fan casing
(4) in, the output shaft of the motor (1) through Fan casing (4) and extends to connection impeller (2), the end cap in Fan casing (4)
(5) setting deviates from the side of motor (1) in Fan casing (4), and air inlet flange (6) setting deviates from motor (1) in end cap (5)
Side, it is characterised in that：The air inlet flange (6) is equipped with lug (7) away from end cap (5) one end, and the lug (7) is equipped with
Pin hole (8), the pin hole (8) is interior to be equipped with pin (9), and the lug (7) is connected with flow-stopping plate (10) by pin (9), described
Air inlet flange (6) is equipped with several mounting grooves (11) away from one end of end cap (5), and magnet is equipped in the mounting groove (11)
(12), the flow-stopping plate (10) is equipped with iron plate (13) close to one end of air inlet flange (6), and the iron plate (13) is by magnet
(12) it adsorbs.
2. monoblock cast Middle pressure draught fan according to claim 1, it is characterised in that：The pin (9) is equipped with external screw thread,
Be equipped in the pin hole (8) with the matched internal thread of external screw thread, be connected through a screw thread between the pin (9) and pin hole (8).
3. monoblock cast Middle pressure draught fan according to claim 2, it is characterised in that：The area of the flow-stopping plate (10) is not small
Deviate from the area of end cap (5) one end in air inlet flange (6).
4. monoblock cast Middle pressure draught fan according to claim 3, it is characterised in that：The area of the iron plate (13) is equal to gear
The area of flowing plate (10).
5. monoblock cast Middle pressure draught fan according to claim 4, it is characterised in that：The air outlet (3) of the Fan casing (4)
Place is equipped with silencing cotton (14).
6. monoblock cast Middle pressure draught fan according to claim 5, it is characterised in that：The impeller (2) is integrated casting leaf
It takes turns (2).
7. monoblock cast Middle pressure draught fan according to claim 6, it is characterised in that：The Fan casing (4) is close to motor (1)
Side be arranged in fluted body, be equipped with reinforcing rib (15) at the cell wall of groove, the central axis of motor (1) output shaft with it is recessed
The central axis of slot overlaps.
8. monoblock cast Middle pressure draught fan according to claim 7, it is characterised in that：The Fan casing (4) is close to air outlet
(3) width of one end is less than the width away from air outlet (3) one end.
9. monoblock cast Middle pressure draught fan according to claim 8, it is characterised in that：Machine is equipped with below the Fan casing (4)
Seat (16), the engine base (16) are integrally formed with Fan casing (4).
10. monoblock cast Middle pressure draught fan according to claim 9, it is characterised in that：The air inlet flange (6) and end cap
(5) it is detachably connected between.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721826192.7U CN207701411U (en) | 2017-12-22 | 2017-12-22 | Monoblock cast Middle pressure draught fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721826192.7U CN207701411U (en) | 2017-12-22 | 2017-12-22 | Monoblock cast Middle pressure draught fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207701411U true CN207701411U (en) | 2018-08-07 |
Family
ID=63028167
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721826192.7U Active CN207701411U (en) | 2017-12-22 | 2017-12-22 | Monoblock cast Middle pressure draught fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207701411U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120358A (en) * | 2019-12-16 | 2020-05-08 | 爱雷德机床有限公司 | High-efficient thermal-insulated radiating well pressure fan |
-
2017
- 2017-12-22 CN CN201721826192.7U patent/CN207701411U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111120358A (en) * | 2019-12-16 | 2020-05-08 | 爱雷德机床有限公司 | High-efficient thermal-insulated radiating well pressure fan |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2102504B1 (en) | Apparatus for delivering a regulated supply of a gas, particularly respiratory assistance apparatus | |
| CN206274632U (en) | A kind of novel dust collector power set | |
| CN104937236B (en) | Turbine rotor blade | |
| KR200484535Y1 (en) | A turbo blower comprising intake port | |
| CN206071945U (en) | A kind of centrifugal wind wheel, using its centrifugal blower and air-conditioner | |
| CN103414279B (en) | A kind of Compact electricity generator set | |
| CN207701411U (en) | Monoblock cast Middle pressure draught fan | |
| CN104329271B (en) | Fan and air conditioner with same | |
| CN208793271U (en) | Impeller, centrifugal blower and range hood for centrifugal blower | |
| CN206487639U (en) | A kind of centrifugal blower case | |
| CN109595197A (en) | A kind of blower | |
| CN206090426U (en) | Blowing structure of hair -dryer | |
| CN106823180A (en) | Air purifier | |
| CN207848024U (en) | Seperated molding mixed flow turbine | |
| CN107339241A (en) | Multi-wing centrifugal fan | |
| CN204878053U (en) | Centrifugal air wheel | |
| CN208456893U (en) | A kind of air blower with water-cooled cooling function | |
| CN207349148U (en) | A kind of locomotive cartridge type centrifugal fan | |
| CN207384203U (en) | A kind of low pressure cleaner power assembly | |
| CN206526419U (en) | Air purifier | |
| CN208845402U (en) | A kind of kitchen and bath is without leaf blower fan | |
| CN207033844U (en) | Built-in guiding device centrifugal blower | |
| CN208735726U (en) | Warm-air drier Blast mechanism and warm-air drier | |
| CN107366626A (en) | Air flow-producing device and fume purifier of fume | |
| CN206682045U (en) | A kind of strong suction multi-wing centrifugal fan |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |