CN221096875U - Unpowered axial-flow induced draft fan - Google Patents
Unpowered axial-flow induced draft fan Download PDFInfo
- Publication number
- CN221096875U CN221096875U CN202323210962.3U CN202323210962U CN221096875U CN 221096875 U CN221096875 U CN 221096875U CN 202323210962 U CN202323210962 U CN 202323210962U CN 221096875 U CN221096875 U CN 221096875U
- Authority
- CN
- China
- Prior art keywords
- fixed box
- unpowered
- fixedly connected
- fixed
- flow type
- 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
- 230000007306 turnover Effects 0.000 claims abstract description 28
- 238000007789 sealing Methods 0.000 claims abstract description 21
- 229920000742 Cotton Polymers 0.000 claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 238000001914 filtration Methods 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000012780 transparent material Substances 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses an unpowered axial flow type induced draft fan, which comprises a rotary cap, wherein a fixed base is rotatably arranged at the bottom of the rotary cap, a fixed box is fixedly arranged at the bottom of the fixed base, a rotating column is rotatably connected inside the fixed box, and one end of the rotating column is fixedly connected with a turnover plate; one side fixedly connected with sealing strip of upset board, and one side fixedly connected with of upset board absorbs water cotton. This unpowered axial-flow type draught fan, when a small amount of rainwater gets into rotatory cap inboard, the rainwater flows to fixed tank inner wall along fixed base, and when the rainwater flows to fixed tank middle part, absorbs water through the cotton that absorbs water to avoid the rainwater to flow into indoor from fixed tank, and then make things convenient for unpowered axial-flow type draught fan to normally use in the rainy day, and overturn through the motor with the sealing strip after the rain stops, thereby will absorb water cotton and rotate the outside to fixed tank and carry out the sunning, and then the cotton that absorbs water is used repeatedly conveniently, make the practicality that increases unpowered axial-flow type draught fan.
Description
Technical Field
The utility model relates to the technical field of unpowered fans, in particular to an unpowered axial-flow type induced draft fan.
Background
One of the ventilation devices of the hood (unpowered axial-flow type induced draft fan) is arranged on a ventilation opening or an exhaust pipe of a roof, a roof and the like, the household hood can increase the appearance of a house, and the roof hood is a device for accelerating and converting air flowing in any parallel direction into air flowing vertically from bottom to top by utilizing the principle that natural wind speed in nature pushes a turbine of the fan to rotate and indoor and outdoor air convection so as to improve the indoor ventilation effect.
When the existing unpowered axial-flow induced draft fan is used, air is discharged outwards through the temperature difference between the indoor and the outdoor, and under the dual effects of external air blowing and internal smoke discharge, the fan blades of the induced draft fan are convenient to rotate, so that indoor smoke is convenient to discharge, the fan cap blades are provided with specific angles, rainwater is prevented from entering, the rainwater falls outside the fan cap, when the blades rotate slowly, a small amount of rainwater enters the inside of the induced draft fan, and inconvenience is caused when the rainwater enters the room, so that the unpowered axial-flow induced draft fan is required to be provided.
Disclosure of utility model
The utility model aims to provide an unpowered axial flow type induced draft fan so as to solve the problem that a small amount of rainwater in the background art enters the induced draft fan.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the unpowered axial flow type induced draft fan comprises a rotary cap, wherein a fixed base is rotatably arranged at the bottom of the rotary cap, a fixed box is fixedly arranged at the bottom of the fixed base, a rotating column is rotatably connected inside the fixed box, and one end of the rotating column is fixedly connected with a turnover plate;
One side fixedly connected with sealing strip of upset board, and one side fixedly connected with cotton that absorbs water of upset board, the bottom fixedly connected with connecting gear of upset board, and one side meshing of connecting gear has the master gear, the top fixed mounting of master gear has the motor.
Preferably, the bearing is fixedly arranged on the inner wall of the bottom of the rotary cap, the mounting sheet is fixedly connected with the inner wall of the bearing and is fixedly arranged at the top of the fixed base through a screw, and the rotary cap is rotatably arranged at the top of the fixed base through the bearing.
Preferably, the inner wall fixedly connected with layer board of unable adjustment base, and the filter screen has been placed at the top of layer board, the wind gap has been seted up to the position that the unable adjustment case corresponds unable adjustment base, and the filter screen sets up at the wind gap top perpendicularly.
Preferably, the fixed box is provided with a turnover opening corresponding to the position of the turnover plate, the rotary column is rotatably arranged in the fixed box, the turnover plate is rotatably arranged on the inner side of the turnover opening, and the turnover plate is rotatably arranged on two sides of the fixed box through the rotary column.
Preferably, the overturning plates are connected through sealing strips in an extrusion mode, the sealing strips are made of rubber, the sealing strips are symmetrically arranged on two sides of the overturning plates, and the rotating columns are symmetrically arranged on two sides of the overturning plates.
Preferably, the connecting gear is fixedly connected to the outer wall of the rotary column, the connecting gear is rotatably mounted on the inner side of the fixed box through the rotary column, the motor is fixedly mounted on one side of the fixed box, and the bottom end of the rotating shaft of the motor is fixedly connected with the top of the main gear.
Preferably, the inside fixedly connected with light-transmitting plate of bottom of fixed case, and the window has been seted up to the position that the light-transmitting plate corresponds fixed case, the light-transmitting plate symmetry sets up in the both sides of fixed case, and the light-transmitting plate is transparent PC plate structure, the upper and lower both sides of fixed case are inclined plane structure, and the light-transmitting plate sets up in the bottom inclined plane inboard of fixed case.
Compared with the prior art, the utility model has the beneficial effects that: the unpowered axial flow type induced draft fan;
1. When a small amount of rainwater enters the inner side of the rotary cap, the rainwater flows along the fixed base to the inner wall of the fixed box, and when the rainwater flows to the middle part of the fixed box, the rainwater is absorbed through the absorbent cotton, so that the rainwater is prevented from flowing into a room from the fixed box, the unpowered axial flow type induced draft fan is convenient to normally use in a rainy day, and after the rain is stopped, the sealing strip is overturned through the motor, so that the absorbent cotton is rotated to the outer side of the fixed box for airing, the repeated use of the absorbent cotton is convenient, and the practicability of the unpowered axial flow type induced draft fan is improved;
2. Through the setting of mounting plate, the convenience is installed the use with rotatory cap, and set up through the filter screen and make things convenient for debris interception inside the draught fan, avoid debris to get into indoor from fixed box, and the filter screen passes through the layer board and places in unable adjustment base is inboard, and then the convenience is installed the filter screen and is dismantled, thereby make things convenient for the filtration of filter screen to use, and the setting of printing opacity board is convenient to introduce fixed incasement portion with sunshine, thereby the convenience is with the inside air heating of fixed case, make the inside and outside air of draught fan more easily form the difference in temperature, and then the rotation exhaust operation of convenient rotatory cap, thereby improve the work efficiency of unpowered axial-flow type draught fan.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the mounting plate and the stationary base of the present utility model in a disassembled configuration;
FIG. 3 is a schematic view of the structure of the fixing case of the present utility model;
Fig. 4 is a schematic view showing a rotation state of the sealing strip of the present utility model.
In the figure: 1. rotating the cap; 2. a bearing; 3. a mounting piece; 4. a fixed base; 5. a supporting plate; 6. a filter screen; 7. a fixed box; 8. a rotating column; 9. a turnover plate; 10. a sealing strip; 11. a water-absorbing cotton; 12. a connecting gear; 13. a main gear; 14. a motor; 15. and a light-transmitting plate.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example one:
Referring to fig. 1-4, the present utility model provides a technical solution: the unpowered axial-flow induced draft fan comprises a rotary cap 1, wherein a fixed base 4 is rotatably arranged at the bottom of the rotary cap 1, a bearing 2 is fixedly arranged on the inner wall of the bottom of the rotary cap 1, a mounting plate 3 is fixedly connected with the inner wall of the bearing 2, the mounting plate 3 is fixedly arranged at the top of the fixed base 4 through a screw, the rotary cap 1 is rotatably arranged at the top of the fixed base 4 through the bearing 2, and a fixed box 7 is fixedly arranged at the bottom of the fixed base 4;
The inside of the fixed box 7 is rotationally connected with a rotating column 8, one end of the rotating column 8 is fixedly connected with a turnover plate 9, a turnover opening is formed in the position, corresponding to the turnover plate 9, of the fixed box 7, the rotating column 8 is rotationally arranged in the fixed box 7, the turnover plate 9 is rotationally arranged on the inner side of the turnover opening, and the turnover plates 9 are rotationally arranged on two sides of the fixed box 7 through the rotating column 8;
One side of the turnover plate 9 is fixedly connected with a sealing strip 10, the turnover plates 9 are connected through extrusion of the sealing strip 10, the sealing strip 10 is made of rubber, the sealing strips 10 are symmetrically arranged on two sides of the turnover plate 9, the rotating columns 8 are symmetrically arranged on two sides of the turnover plate 9, one side of the turnover plate 9 is fixedly connected with a water absorbing cotton 11, and the bottom of the turnover plate 9 is fixedly connected with a connecting gear 12;
the main gear 13 is meshed with one side of the connecting gear 12, the motor 14 is fixedly arranged at the top of the main gear 13, the connecting gear 12 is fixedly connected to the outer wall of the rotary column 8, the connecting gear 12 is rotatably arranged at the inner side of the fixed box 7 through the rotary column 8, the motor 14 is fixedly arranged at one side of the fixed box 7, and the bottom end of a rotating shaft of the motor 14 is fixedly connected with the top of the main gear 13;
When a small amount of rainwater enters the inner side of the rotary cap 1, the rainwater flows along the fixed base 4 to the inner wall of the fixed box 7, and when the rainwater flows to the middle part of the fixed box 7, the rainwater is absorbed by the absorbent cotton 11, so that the rainwater is prevented from flowing into a room from the fixed box 7, the unpowered axial flow type induced draft fan is convenient to normally use in rainy days, and the sealing strip 10 is overturned by the motor 14 after the raining is stopped;
Thereby the cotton 11 that absorbs water rotates to the outside of fixed box 7 and dries, and then makes things convenient for the cotton 11 that absorbs water to use repeatedly for increase unpowered axial flow type draught fan's practicality, sealing strip 10's setting is convenient with between the upset board 9 and between upset board 9 and the fixed box 7 sealing connection, thereby conveniently forms sealedly with fixed box 7, and then conveniently discharges indoor air through the rotation of rotatory cap 1;
Example two:
On the basis of the first example, in order to improve the working efficiency of the induced draft fan conveniently, referring to fig. 1 and 2, a supporting plate 5 is fixedly connected to the inner wall of the fixed base 4, a filter screen 6 is placed on the top of the supporting plate 5, an air port is formed in a position of the fixed box 7 corresponding to the fixed base 4, the filter screen 6 is vertically arranged on the top of the air port, and a light-transmitting plate 15 is fixedly connected to the inner side of the bottom of the fixed box 7;
the positions of the light-transmitting plates 15 corresponding to the fixed box 7 are provided with windows, the light-transmitting plates 15 are symmetrically arranged on two sides of the fixed box 7, the light-transmitting plates 15 are transparent PC plate structures, the upper side and the lower side of the fixed box 7 are inclined structures, and the light-transmitting plates 15 are arranged on the inner side of the inclined surface at the bottom of the fixed box 7;
Through the setting of mounting plate 3, the convenient use of installing of rotatory cap 1, and through the setting of filter screen 6 convenient with debris interception in the draught fan is inside, avoid debris to get into indoor from fixed box 7, and filter screen 6 places in unable adjustment base 4 inboard through layer board 5, and then the convenient dismantlement of installing filter screen 6, thereby the filtration of convenient filter screen 6 is used, and the setting of light-passing board 15 is convenient to introduce sunshine into inside the fixed box 7;
Thereby the convenience is with the inside air heating of fixed case 7 for the inside and outside air of draught fan is easier to form the difference in temperature, and then makes things convenient for the rotation exhaust operation of rotatory cap 1, thereby improves the work efficiency of unpowered axial flow type draught fan, because light-passing board 15 is transparent material, and then conveniently introduces fixed case 7 inboardly with sunshine, makes the inside air of heating fixed case 7 form inside and outside difference in temperature, and then more makes things convenient for the rotation use of rotatory cap 1.
Working principle: when the unpowered axial flow type induced draft fan is used, the filter screen 6 is placed at the top of the supporting plate 5, so that the filter screen 6 is convenient to install and use, the installation piece 3 is fixedly installed at the top of the fixed base 4 through screws, the rotary cap 1 is rotatably installed at the top of the fixed base 4 through the bearing 2, and a temperature difference is formed between the inside and the outside of the induced draft fan during use;
The rotary cap 1 is conveniently rotated at the top of the fixed base 4, then indoor gas is discharged outwards, when the rotary cap is used in rainy days, the absorbent cotton 11 is used at the inner side of the fixed box 7, when rainwater enters the rotary cap 1, the rainwater flows to the inner wall of the fixed box 7, and then the rainwater is absorbed through the absorbent cotton 11, so that the rainwater is prevented from flowing into the room from the fixed box 7;
And during sunny days, the motor 14 drives the main gear 13 to rotate, so that the connecting gear 12 drives the rotary column 8 to rotate, and the sealing strip 10 rotates by one hundred eighty degrees, so that the absorbent cotton 11 is conveniently overturned to the outer side of the fixed box 7, and the absorbent cotton 11 is conveniently aired, so that the absorbent cotton 11 is conveniently used repeatedly.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides an unpowered axial-flow type draught fan, includes rotatory cap (1), its characterized in that: the bottom of the rotary cap (1) is rotatably provided with a fixed base (4), the bottom of the fixed base (4) is fixedly provided with a fixed box (7), the inside of the fixed box (7) is rotatably connected with a rotary column (8), and one end of the rotary column (8) is fixedly connected with a turnover plate (9);
One side fixedly connected with sealing strip (10) of upset board (9), and one side fixedly connected with cotton (11) that absorbs water of upset board (9), the bottom fixedly connected with connecting gear (12) of upset board (9), and one side meshing of connecting gear (12) has master gear (13), the top fixed mounting of master gear (13) has motor (14).
2. The unpowered axial flow type induced draft fan according to claim 1, wherein the bearing (2) is fixedly mounted on the inner wall of the bottom of the rotary cap (1), the mounting piece (3) is fixedly connected to the inner wall of the bearing (2), the mounting piece (3) is fixedly mounted on the top of the fixed base (4) through screws, and the rotary cap (1) is rotatably mounted on the top of the fixed base (4) through the bearing (2).
3. The unpowered axial flow type induced draft fan according to claim 1, wherein the inner wall of the fixed base (4) is fixedly connected with a supporting plate (5), a filter screen (6) is placed at the top of the supporting plate (5), an air port is formed in the position of the fixed box (7) corresponding to the fixed base (4), and the filter screen (6) is vertically arranged at the top of the air port.
4. The unpowered axial flow type induced draft fan according to claim 1, wherein the fixed box (7) is provided with a turnover opening corresponding to the position of the turnover plate (9), the turnover column (8) is rotatably mounted in the fixed box (7), the turnover plate (9) is rotatably arranged on the inner side of the turnover opening, and the turnover plate (9) is rotatably mounted on two sides of the fixed box (7) through the turnover column (8).
5. The unpowered axial flow type induced draft fan according to claim 1, wherein the overturning plates (9) are connected through sealing strips (10) in an extrusion mode, the sealing strips (10) are made of rubber, the sealing strips (10) are symmetrically arranged on two sides of the overturning plates (9), and the rotating columns (8) are symmetrically arranged on two sides of the overturning plates (9).
6. The unpowered axial flow type induced draft fan according to claim 1, wherein the connecting gear (12) is fixedly connected to the outer wall of the rotary column (8), the connecting gear (12) is rotatably installed on the inner side of the fixed box (7) through the rotary column (8), the motor (14) is fixedly installed on one side of the fixed box (7), and the bottom end of a rotating shaft of the motor (14) is fixedly connected with the top of the main gear (13).
7. The unpowered axial flow type induced draft fan according to claim 6, wherein the inner side of the bottom of the fixed box (7) is fixedly connected with a light-transmitting plate (15), windows are formed in positions of the light-transmitting plate (15) corresponding to the fixed box (7), the light-transmitting plate (15) is symmetrically arranged on two sides of the fixed box (7), the light-transmitting plate (15) is of a transparent PC plate structure, the upper side and the lower side of the fixed box (7) are of inclined structures, and the light-transmitting plate (15) is arranged on the inner side of an inclined surface of the bottom of the fixed box (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323210962.3U CN221096875U (en) | 2023-11-28 | 2023-11-28 | Unpowered axial-flow induced draft fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323210962.3U CN221096875U (en) | 2023-11-28 | 2023-11-28 | Unpowered axial-flow induced draft fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221096875U true CN221096875U (en) | 2024-06-07 |
Family
ID=91304392
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323210962.3U Active CN221096875U (en) | 2023-11-28 | 2023-11-28 | Unpowered axial-flow induced draft fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221096875U (en) |
-
2023
- 2023-11-28 CN CN202323210962.3U patent/CN221096875U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN209510670U (en) | A kind of energy conservation roof ventilator | |
| CN210888711U (en) | Window with dehumidification cooling function | |
| CN201795573U (en) | Natural ventilator for houses | |
| CN205557817U (en) | Building energy conservation photovoltaic system | |
| CN221096875U (en) | Unpowered axial-flow induced draft fan | |
| CN108104300B (en) | Porous permeable fresh air preheating solar wall | |
| CN211958497U (en) | Ventilation device for transformer substation | |
| CN106801484A (en) | A kind of full-automatic photovoltaic shutter breathing glass curtain wall | |
| CN110748284A (en) | Novel environment-friendly shutter with self-cleaning function | |
| RU136542U1 (en) | ROOF EXHAUST FAN INSTALLATION | |
| CN213178676U (en) | Energy-saving and environment-friendly roof ventilator | |
| CN214172473U (en) | Building energy-saving ventilation structure | |
| CN201650049U (en) | Efficient natural draft louver window | |
| CN113251531A (en) | Energy-saving ventilation structure based on architectural design | |
| CN211623199U (en) | Ventilation and heat dissipation device for building energy conservation | |
| CN112539189A (en) | Environment-friendly solar ventilating fan | |
| CN203066802U (en) | Indoor large-opening louvered ventilation device used for building double-layer curtain wall | |
| CN212081555U (en) | Indoor air monitoring ventilation unit | |
| CN110067491A (en) | A kind of purification ventilated energy-saving sound proof window | |
| CN2782897Y (en) | Hollow electricity genereating light adjustable glass | |
| CN2388533Y (en) | Turbine exhauster | |
| CN218379756U (en) | Unpowered ventilator with switch assembly on air duct | |
| CN213778029U (en) | Environment-friendly solar ventilating fan | |
| CN217584766U (en) | Drainage structure based on thin ventilator | |
| CN220302033U (en) | Rainproof rotary shutter for daylighting roof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |