CN205173010U - Spiral -flow type air exhauster - Google Patents
Spiral -flow type air exhauster Download PDFInfo
- Publication number
- CN205173010U CN205173010U CN201521009133.1U CN201521009133U CN205173010U CN 205173010 U CN205173010 U CN 205173010U CN 201521009133 U CN201521009133 U CN 201521009133U CN 205173010 U CN205173010 U CN 205173010U
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- casing
- wind
- wind wheel
- centrifugal
- reverse pumping
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Abstract
The utility model discloses a spiral -flow type air exhauster, including the section of thick bamboo that induced drafts, casing, output wind dish and pivot, the section of thick bamboo that induced drafts all is the cavity structure with the casing, induced draft a section of thick bamboo and the same and integrative interconnected of setting of the diameter of casing, and the edge circumferencial direction is provided with a plurality of prism air inlet pieces on an outer wall that induced drafts, and prism air inlet piece includes arc surface and perpendicular, the perpendicular is provided with a discoid centrifugal wind wheel for the air intake of the section of thick bamboo that induced drafts in the casing, the one end of pivot pass casing to casing inside and with centrifugal wind wheel's central fixed connection, be provided with a plurality of centrifugal fan leaves on centrifugal wind wheel, this device is through still installing the reverse pumping wind wheel on exporting the pivot between wind dish and the motor, utilize out the tuber pipe with the reverse pumping fan leaf of action of the wind on the reverse pumping wind wheel that produces, the slew velocity of reverse pumping fan leaf has been accelerated, and then the rotation of reverse pumping wind wheel has been accelerated, centrifugal wind wheel's rotation has finally been driven through the pivot, the convulsions effect has further been improved.
Description
Technical field
The utility model relates to induced draft fan field, specifically a kind of rotary flow type induced draft fan.
Background technique
Induced draft fan is again effluent blower, centrifugal blower, small blast fan, is a kind of air blowing or the dual-purpose general source of the gas of air-breathing, and normally for the air-breathing of machinery, therefore named think of meaning is also induced draft fan.
Some manufacturing shops and some relatively large manufacturing mechanisms need ventilation usually, induced draft fan can be used like this, traditional extractor fan is generally made up of casing, air sucking mouth, fan leaf, rotating shaft and motor, air sucking mouth is connected with casing, rotating shaft is arranged in casing, fan leaf is arranged on one end of rotating shaft, the other end of rotating shaft is connected with motor, motor power is utilized to drive the axis of rotation of extractor fan, thus drive fan leaf to rotate, the fan leaf rotated forms angrily stream, thus by outside the air discharge chamber of indoor.This extractor fan working efficiency only depends on electric drive, and pumping efficiency is lower, and power consumption is larger.
Model utility content
The purpose of this utility model is to provide a kind of rotary flow type induced draft fan, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technological scheme:
A kind of rotary flow type induced draft fan, comprise wind sucting tube, casing, export wind dish and rotating shaft, described wind sucting tube and casing are all in cavity structure, wind sucting tube is identical with the diameter of casing and be wholely set and interconnect, wind sucting tube outer wall is along the circumferential direction provided with some prismatic air-supplying blocks, prismatic air-supplying block comprises arc surface and vertical surface, described vertical surface is the intake grill of wind sucting tube, a discoid centrifugal wind wheel is provided with in casing, one end of described rotating shaft is fixedly connected with to casing internal and with the center of centrifugal wind wheel through casing, centrifugal wind wheel is provided with multiple centrifugal cutter leaf, described centrifugal cutter leaf is arranged along centrifugal wind wheel circumferencial direction, described centrifugal cutter leaf is arc-shaped, and the circular arc direction of centrifugal cutter leaf is relative with the arc surface direction of prismatic air-supplying block, be connected with at casing rear and export wind dish, output wind dish outer wall is provided with air outlet tube, described air outlet tube to comprise with rotating shaft mutually perpendicular vertical section and with the horizontal segment parallel to each other with rotating shaft, the described rotating shaft the other end is provided with motor, the rotating shaft between output wind dish and motor is also provided with reverse pumping wind wheel, reverse pumping wind wheel is provided with multiple reverse pumping fan leaf.
As further program of the utility model: the diameter of described output wind dish is 1/2 of casing diameter.
As the utility model further scheme: described reverse pumping fan leaf is hexagonal metallic sheet.
Compared with prior art, the beneficial effects of the utility model are: this device by being also provided with reverse pumping wind wheel in the rotating shaft between output wind dish and motor, air outlet tube is utilized the wind-force of generation to be acted on reverse pumping fan leaf on reverse pumping wind wheel, accelerate the rotational velocity of reverse pumping fan leaf, and then accelerate the rotation of reverse pumping wind wheel, the rotation of centrifugal wind wheel has been driven eventually through rotating shaft, further increase exhausting effect, and by arranging prismatic air-supplying block on wind sucting tube, air is utilized in wind sucting tube, to form eddy current under the guide functions of prismatic air-supplying block, eddy current drives air flowing, improve the exhausting effect of device.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Fig. 2 is internal structure schematic diagram of the present utility model.
1-wind sucting tube in figure, 11-prismatic air-supplying block, 12-intake grill, 2-casing, 21-centrifugal wind wheel, 22-centrifugal cutter leaf, 3-exports wind dish, 31-air outlet tube, 4-rotating shaft, 5-motor, 6-reverse pumping wind wheel, 7-reverse pumping fan leaf.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1 ~ 2, in the utility model embodiment, a kind of rotary flow type induced draft fan, comprise wind sucting tube 1, casing 2, export wind dish 3 and rotating shaft 4, described wind sucting tube 1 and casing 2 are all in cavity structure, wind sucting tube 1 is identical with the diameter of casing 2 and be wholely set and interconnect, wind sucting tube 1 outer wall is along the circumferential direction provided with some prismatic air-supplying blocks 11, prismatic air-supplying block 11 comprises arc surface and vertical surface, described vertical surface is the intake grill 12 of wind sucting tube 1, a discoid centrifugal wind wheel 21 is provided with in casing 2, one end of described rotating shaft 4 is passed casing 2 to casing 2 inside and is fixedly connected with the center of centrifugal wind wheel 21, centrifugal wind wheel 21 is provided with multiple centrifugal cutter leaf 22, described centrifugal cutter leaf 22 is arranged along centrifugal wind wheel 21 circumferencial direction, described centrifugal cutter leaf 22 is in arc-shaped, and the circular arc direction of centrifugal cutter leaf 22 is relative with the arc surface direction of prismatic air-supplying block 11, be connected with at casing 2 rear and export wind dish 3, the diameter of described output wind dish 3 is 1/2 of casing 2 diameter, output wind dish 3 outer wall is provided with air outlet tube 31, described air outlet tube 31 to comprise with rotating shaft 4 mutually perpendicular vertical section and with the horizontal segment parallel to each other with rotating shaft 4, described rotating shaft 4 the other end is provided with motor 5, and the rotating shaft 4 between output wind dish 3 and motor 5 is also provided with reverse pumping wind wheel 6, and reverse pumping wind wheel 6 is provided with multiple reverse pumping fan leaf 7, and described reverse pumping fan leaf 7 is hexagonal metallic sheet, when using this device to carry out exhausting work, motor 5 input electric power, centrifugal wind wheel 21 is rotated, and then drive centrifugal cutter leaf 22 to rotate generation negative pressure, in wind sucting tube 1, air is sucked by the intake grill 12 on prismatic air-supplying block 11, air forms eddy current under the guide functions of prismatic air-supplying block 11 in wind sucting tube, eddy current drives air flowing, improve exhausting effect, the wind-force produced acts on the reverse pumping fan leaf 7 on reverse pumping wind wheel 6 through air outlet tube 11, accelerate the rotational velocity of reverse pumping fan leaf 7, and then accelerate the rotation of reverse pumping wind wheel 6, the rotation of centrifugal wind wheel 21 has been driven eventually through rotating shaft 4, further increase exhausting effect.
Working principle of the present utility model is: this device by being also provided with reverse pumping wind wheel 6 in the rotating shaft 4 between output wind dish 3 and motor 5, air outlet tube 31 is utilized the wind-force of generation to be acted on reverse pumping fan leaf 7 on reverse pumping wind wheel 6, accelerate the rotational velocity of reverse pumping fan leaf 7, and then accelerate the rotation of reverse pumping wind wheel 6, the rotation of centrifugal wind wheel 21 has been driven eventually through rotating shaft 4, further increase exhausting effect, and by arranging prismatic air-supplying block 11 on wind sucting tube 1, air is utilized in wind sucting tube, to form eddy current under the guide functions of prismatic air-supplying block 11, eddy current drives air flowing, improve the exhausting effect of device.
To those skilled in the art, obvious the utility model is not limited to the details of above-mentioned one exemplary embodiment, and when not deviating from spirit of the present utility model or essential characteristic, can realize the utility model in other specific forms.Therefore, no matter from which point, all should embodiment be regarded as exemplary, and be nonrestrictive, scope of the present utility model is limited by claims instead of above-mentioned explanation, and all changes be therefore intended in the implication of the equivalency by dropping on claim and scope are included in the utility model.Any reference character in claim should be considered as the claim involved by limiting.
In addition, be to be understood that, although this specification is described according to mode of execution, but not each mode of execution only comprises an independently technological scheme, this narrating mode of specification is only for clarity sake, those skilled in the art should by specification integrally, and the technological scheme in each embodiment also through appropriately combined, can form other mode of executions that it will be appreciated by those skilled in the art that.
Claims (3)
1. a rotary flow type induced draft fan, comprise wind sucting tube, casing, export wind dish and rotating shaft, it is characterized in that, described wind sucting tube and casing are all in cavity structure, wind sucting tube is identical with the diameter of casing and be wholely set and interconnect, wind sucting tube outer wall is along the circumferential direction provided with some prismatic air-supplying blocks, prismatic air-supplying block comprises arc surface and vertical surface, described vertical surface is the intake grill of wind sucting tube, a discoid centrifugal wind wheel is provided with in casing, one end of described rotating shaft is fixedly connected with to casing internal and with the center of centrifugal wind wheel through casing, centrifugal wind wheel is provided with multiple centrifugal cutter leaf, described centrifugal cutter leaf is arranged along centrifugal wind wheel circumferencial direction, described centrifugal cutter leaf is arc-shaped, and the circular arc direction of centrifugal cutter leaf is relative with the arc surface direction of prismatic air-supplying block, be connected with at casing rear and export wind dish, output wind dish outer wall is provided with air outlet tube, and described air outlet tube comprises mutually perpendicular vertical section and the horizontal segment parallel to each other with rotating shaft with rotating shaft, the described rotating shaft the other end is provided with motor, the rotating shaft between output wind dish and motor is also provided with reverse pumping wind wheel, reverse pumping wind wheel is provided with multiple reverse pumping fan leaf.
2. a kind of rotary flow type induced draft fan according to claim 1, is characterized in that, the diameter of described output wind dish is 1/2 of casing diameter.
3. a kind of rotary flow type induced draft fan according to claim 1, is characterized in that, described reverse pumping fan leaf is hexagonal metallic sheet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521009133.1U CN205173010U (en) | 2015-12-08 | 2015-12-08 | Spiral -flow type air exhauster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521009133.1U CN205173010U (en) | 2015-12-08 | 2015-12-08 | Spiral -flow type air exhauster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205173010U true CN205173010U (en) | 2016-04-20 |
Family
ID=55737012
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201521009133.1U Active CN205173010U (en) | 2015-12-08 | 2015-12-08 | Spiral -flow type air exhauster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205173010U (en) |
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2015
- 2015-12-08 CN CN201521009133.1U patent/CN205173010U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230113 Address after: 214028 No. 82, Xinmei Road, Xinwu District, Wuxi City, Jiangsu Province Patentee after: Jiangsu inpco Technology Co.,Ltd. Address before: 214196 Loess Pond, Donggang Town, Xishan District, Wuxi City, Jiangsu Province Patentee before: JIANGSU EMP-TECH ELECTRONIC MATERIAL CO.,LTD. |