CN201884327U - High-efficient negative-pressure wind wheel and air blower adopting same - Google Patents
High-efficient negative-pressure wind wheel and air blower adopting same Download PDFInfo
- Publication number
- CN201884327U CN201884327U CN2010206522089U CN201020652208U CN201884327U CN 201884327 U CN201884327 U CN 201884327U CN 2010206522089 U CN2010206522089 U CN 2010206522089U CN 201020652208 U CN201020652208 U CN 201020652208U CN 201884327 U CN201884327 U CN 201884327U
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- top panel
- wind wheel
- air
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- panel
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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
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/30—Vanes
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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
- F04D29/00—Details, component parts, or accessories
- F04D29/26—Rotors specially for elastic fluids
- F04D29/28—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps
- F04D29/281—Rotors specially for elastic fluids for centrifugal or helico-centrifugal pumps for radial-flow or helico-centrifugal pumps for fans or blowers
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Disclosed are a high-efficient negative-pressure wind wheel and an air blower adopting the same. The wind wheel comprises a top panel (1), a bottom panel (2) and a plurality of blades (3) mounted between the top panel (1) and the bottom panel (2) in a connected manner. An air inlet (21) is arranged in the middle of the bottom panel (2), a cavity (4) is arranged on one side of the blades (3) and above the air inlet (21), and a connecting seat (11) connected with a motor shaft is disposed at the center of the top panel (1). The high-efficient negative-pressure wind wheel is characterized in that a plurality of induced draft seats (12) are projected over the top panel (1), induced draft openings (121) are disposed on the induced draft seats (12), are projected over the top panel (1) and face to the edge of the top panel (1), and the induced draft seats (12) are hollow and are communicated with the cavity (4). In the high-efficient negative-pressure wind wheel, the induced draft seats are projected over the top panel, so that leaked wet gas between the top surface of a volute and the top surface of the wind wheel can be collected high-efficiently, the purpose of isolating the wet gas from a rotating shaft is achieved, and metal components such as the rotating shaft, an end cover and the like of the motor are effectively protected.
Description
Technical field:
The utility model relates to the blower of a kind of efficient Negative pressure wind wheel and application thereof.
Background technique:
Existing efficient 90% and more high efficiency gas combustion air conditioner, the waste gas main component H2O of its discharge, CO, CO2 and sulphide, high humidity has corrosivity.Owing to the gap that 3-10mm is arranged between reason spiral case such as wind wheel and spiral case manufacturing technology level and the wind wheel,, waste gas very easily metal partss such as the rotating shaft of motor part, end cap are corroded if passing gap and axis hole.Generally adopt at present at the axis hole place to add seal ring or the mode of the axle sleeve that on wind wheel, extends, with metal partss such as protection rotating shaft and end caps.Occur efficient wind wheel at present and collected the gas that blows to rotating shaft, as depicted in figs. 1 and 2, its principle is to open the recovery circular hole 11 of some on the top panel 1 of wind wheel, these reclaim circular hole 11 and regain 40%-60% leakage gas, reuse efficiency is not high, or some is revealed gas and passes gap and axis hole and very easily metal partss such as the rotating shaft 2 of motor part, end cap 3 are corroded.
Summary of the invention:
The purpose of this utility model provides a kind of efficient Negative pressure wind wheel, can efficiently collect to leak into wet gas between spiral case end face and the wind wheel end face, reaches purpose is isolated in wet gas and rotating shaft, effectively protects the metal partss such as rotating shaft, end cap of motor part.
Another purpose of the present utility model provides a kind of blower; it has used efficient Negative pressure wind wheel; can efficiently collect and leak into wet gas between spiral case end face and the wind wheel top panel, reach purpose is isolated in wet gas and rotating shaft, effectively protect the metal partss such as rotating shaft, end cap of motor part.
Efficient Negative pressure wind wheel of the present utility model is achieved by following technical proposals:
A kind of efficient Negative pressure wind wheel, comprise top panel, bottom panel, and installation is connected the some air blades between top panel and the bottom panel, in the middle of bottom panel intake grill is set, a side of the top of intake grill, some air blades is cavitys, and top panel central authorities are provided with the joint seat that is connected with motor shaft, described top panel is protruding with some air draught seats, the air draught seat is provided with the air sucking mouth, and the air sucking mouth protrudes top panel and towards the edge of top panel, the air draught seat is hollow being communicated with cavity.
Above-mentioned described air draught seat comprise both sides guide plate, top cover plate and be positioned at the baffle plate at rear.
Above-mentioned described air sucking mouth radially outward, some air draught seats evenly distribute along circumferential, and are positioned at directly over the cavity.
The edge of above-mentioned described top panel protrudes some auxiliary fan blades.
Efficient blower of the present utility model is achieved by following technical proposals:
A kind of blower, comprise spiral case, cover plate, motor shaft and wind wheel, spiral case and cover plate are installed and are joined together to form cavity, wind wheel is installed in the cavity the inside, exhaust port is set on the spiral case, cover plate sets into the air port, wind wheel comprises top panel, bottom panel and installation are connected the some air blades between top panel and the bottom panel, intake grill, the top of intake grill are set in the middle of bottom panel, one side of some air blades is cavitys, and described top panel is protruding with some air draught seats, the air draught seat is provided with the air sucking mouth, the air sucking mouth protrudes top panel and towards the edge of top panel, the air draught seat is hollow being communicated with cavity, the joint seat that the setting of top panel central authorities is connected with motor shaft.
Above-mentioned described air draught seat comprise both sides guide plate, top cover plate and be positioned at the baffle plate at rear.
Above-mentioned described air sucking mouth radially outward, some air draught seats evenly distribute along circumferential, and are positioned at directly over the cavity.
The edge of above-mentioned described top panel protrudes some auxiliary fan blades, and top panel is parallel with the end face of spiral case.
Above-mentioned described spiral case and cover plate are mouldings.
The utility model compared with prior art, has following effect: 1) efficient Negative pressure wind wheel of the present utility model, be protruding with some air draught seats at top panel, the air draught seat is provided with the air sucking mouth, top panel is protruded and towards the edge of top panel in the air sucking mouth, the air draught seat is hollow being communicated with cavity, leak into wet gas between spiral case end face and the wind wheel end face thereby can efficiently collect, the recovery rate reaches more than 95%, reach purpose is isolated in wet gas and rotating shaft, effectively protect the metal partss such as rotating shaft, end cap of motor part; 2) top panel of wind wheel is parallel with the end face of spiral case, makes to leak into that wet gas reaches better isolation wet gas and rotating shaft by the more smooth and easy recovery of air draught seat between spiral case end face and the wind wheel top panel; 3) the air draught seat comprise both sides guide plate, top cover plate and be positioned at the baffle plate at rear, the air sucking mouth radially outward, some air draught seats evenly distribute along circumferential, and are positioned at directly over the cavity, suck wet gas and can enter cavity through air sucking mouth, guide plate rapidly, improve the efficient of air draught.
Description of drawings:
Fig. 1 is the structural representation of traditional Negative pressure wind wheel.
Fig. 2 is to use the structural representation of the blower of traditional Negative pressure wind wheel.
Fig. 3 is an angle stereogram of the efficient Negative pressure wind wheel of the utility model.
Fig. 4 is another angle stereogram of the efficient Negative pressure wind wheel of the utility model.
Fig. 5 is the structure sectional view of the efficient Negative pressure wind wheel of the utility model
Fig. 6 is the stereogram of the utility model blower.
Fig. 7 is the exploded view of the utility model blower.
Fig. 8 is the plan view of the utility model blower.
Fig. 9 is the B-B sectional view of Fig. 8.
Embodiment:
Also in conjunction with the accompanying drawings the utility model is described in further detail below by specific embodiment.
Extremely shown in Figure 5 as Fig. 3, a kind of efficient Negative pressure wind wheel, comprise top panel 1, bottom panel 2, and installation is connected the some air blades 3 between top panel 1 and the bottom panel 2, intake grill 21 is set in the middle of bottom panel 2, one side of the top of intake grill 21, some air blades 3 is cavitys 4, top panel 1 central authorities are provided with the joint seat 11 that is connected with motor shaft, described top panel 1 is protruding with some air draught seats 12, air draught seat 12 is provided with air sucking mouth 121, top panels 1 are protruded and towards the edge of top panel 1 in air sucking mouth 121, and air draught seat 12 is hollow and is communicated with cavity 4., air draught seat 12 comprise both sides guide plate 122, top cover plate 123 and be positioned at the baffle plate 124 at rear, air sucking mouth 121 radially outwards, some air draught seats 12 are along circumferentially evenly distributing, and are positioned at directly over the cavity 4.The edge of top panel 1 protrudes some auxiliary fan blades 13.
Extremely shown in Figure 9 as Fig. 3, a kind of blower, comprise spiral case 5, cover plate 6, motor 8, motor shaft 7 and wind wheel, set out air port 51 on the spiral case 5, spiral case 5 is installed with cover plate 6 and is joined together to form cavity 9, wind wheel is installed in cavity 9 the insides, on the spiral case 5 exhaust port is set, cover plate 6 sets into the air port, wind wheel comprises top panel 1, bottom panel 2 and installation are connected the some air blades 3 between top panel 1 and the bottom panel 2, intake grill 21 is set in the middle of bottom panel 2, the top of intake grill 21, one side of some air blades is cavitys 4, described top panel 1 is protruding with some air draught seats 12, air draught seat 12 is provided with air sucking mouth 121, top panels 1 are protruded and towards the edge of top panel 1 in air sucking mouth 121, air draught seat 12 is hollow being communicated with cavity 4, top panel 1 central authorities are provided with the joint seat 11 that is connected with motor shaft, air draught seat 12 comprises the guide plate 122 of both sides, the cover plate 123 at top and the baffle plate 124 that is positioned at the rear, air sucking mouth 121 radially outwards, some air draught seats 12 evenly distribute along circumferential, and are positioned at directly over the cavity 4, and the edge of top panel 1 protrudes some auxiliary fan blades 13, top panel 1 is parallel with the end face 52 of spiral case 5, and spiral case 5 and cover plate 6 are mouldings.
Working principle of the present utility model is: efficient Negative pressure wind wheel of the present utility model; be protruding with some air draught seats 12 at top panel 1; air draught seat 12 is provided with air sucking mouth 121; top panels 1 are protruded and towards the edge of top panel 1 in air sucking mouth 121; air draught seat 12 is hollow being communicated with cavity 4; leak into wet gas between spiral case end face 52 and the wind wheel end face 1 thereby can efficiently collect; reach wet gas and rotating shaft are isolated purpose; effectively metal partss such as the rotating shaft of protection motor part, end cap are avoided corrosion.
Claims (9)
1. efficient Negative pressure wind wheel, comprise top panel (1), bottom panel (2), and installation is connected the some air blades (3) between top panel (1) and the bottom panel (2), intake grill (21) is set in the middle of bottom panel (2), the top of intake grill (21), one side of some air blades (3) is cavity (4), top panel (1) central authorities are provided with the joint seat (11) that is connected with motor shaft, it is characterized in that: described top panel (1) is protruding with some air draught seats (12), air draught seat (12) is provided with air sucking mouth (121), top panel (1) is protruded and towards the edge of top panel (1) in air sucking mouth (121), and air draught seat (12) is hollow and is communicated with cavity (4).
2. a kind of efficient Negative pressure wind wheel according to claim 1 is characterized in that: air draught seat (12) comprise both sides guide plate (122), top cover plate (123) and be positioned at the baffle plate (124) at rear.
3. a kind of efficient Negative pressure wind wheel according to claim 1 and 2 is characterized in that: air sucking mouth (121) radially outward, some air draught seats (12) evenly distribute along circumferential, and are positioned at directly over the cavity (4).
4. a kind of efficient Negative pressure wind wheel according to claim 1 and 2 is characterized in that: the edge of top panel (1) protrudes some auxiliary fan blades (13).
5. an application rights requires the blower of 1 described efficient Negative pressure wind wheel, comprise spiral case (5), cover plate (6), motor shaft (7) and wind wheel, spiral case (5) is installed with cover plate (6) and is joined together to form cavity (9), wind wheel is installed in cavity (9) the inside, spiral case is provided with exhaust port on (5), cover plate (6) sets into the air port, wind wheel comprises top panel (1), bottom panel (2) and installation are connected the some air blades (3) between top panel (1) and the bottom panel (2), intake grill (21) is set in the middle of bottom panel (2), the top of intake grill (21), one side of some air blades is cavity (4), it is characterized in that: described top panel (1) is protruding with some air draught seats (12), air draught seat (12) is provided with air sucking mouth (121), top panel (1) is protruded and towards the edge of top panel (1) in air sucking mouth (121), air draught seat (12) is hollow being communicated with cavity (4), and top panel (1) central authorities are provided with the joint seat (11) that is connected with motor shaft.
6. a kind of blower according to claim 5 is characterized in that: air draught seat (12) comprise both sides guide plate (122), top cover plate (123) and be positioned at the baffle plate (124) at rear.
7. according to claim 5 or 6 described a kind of blowers, it is characterized in that: air sucking mouth (121) radially outward, some air draught seats (12) evenly distribute along circumferential, and are positioned at directly over the cavity (4).
8. according to claim 5 or 6 described a kind of blowers, it is characterized in that: the edge of top panel (1) protrudes some auxiliary fan blades (13), and top panel (1) is parallel with the end face (52) of spiral case (5).
9. according to claim 5 or 6 described a kind of blowers, it is characterized in that: spiral case (5) and cover plate (6) are mouldings.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206522089U CN201884327U (en) | 2010-12-04 | 2010-12-04 | High-efficient negative-pressure wind wheel and air blower adopting same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010206522089U CN201884327U (en) | 2010-12-04 | 2010-12-04 | High-efficient negative-pressure wind wheel and air blower adopting same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201884327U true CN201884327U (en) | 2011-06-29 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010206522089U Expired - Lifetime CN201884327U (en) | 2010-12-04 | 2010-12-04 | High-efficient negative-pressure wind wheel and air blower adopting same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201884327U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322842A (en) * | 2018-11-26 | 2019-02-12 | 浙江理工大学 | With front shroud blade and notch without spiral case centrifugal fan and working method |
| WO2019047471A1 (en) * | 2017-09-07 | 2019-03-14 | 中山大洋电机股份有限公司 | Wind wheel and blower using same |
| CN111720346A (en) * | 2019-03-22 | 2020-09-29 | 信浓绢糸株式会社 | Air blower |
| CN112610525A (en) * | 2020-12-09 | 2021-04-06 | 江苏美的清洁电器股份有限公司 | Fan for dust collector and dust collector |
-
2010
- 2010-12-04 CN CN2010206522089U patent/CN201884327U/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019047471A1 (en) * | 2017-09-07 | 2019-03-14 | 中山大洋电机股份有限公司 | Wind wheel and blower using same |
| CN109322842A (en) * | 2018-11-26 | 2019-02-12 | 浙江理工大学 | With front shroud blade and notch without spiral case centrifugal fan and working method |
| CN109322842B (en) * | 2018-11-26 | 2024-03-15 | 昆山佰斯拓机械设备有限公司 | Volute-free centrifugal ventilator with front cover plate blades and notches and working method |
| CN111720346A (en) * | 2019-03-22 | 2020-09-29 | 信浓绢糸株式会社 | Air blower |
| CN111720346B (en) * | 2019-03-22 | 2022-06-07 | 信浓绢糸株式会社 | Air blower |
| CN112610525A (en) * | 2020-12-09 | 2021-04-06 | 江苏美的清洁电器股份有限公司 | Fan for dust collector and dust collector |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110629 |