CN220227244U - Wind-driven roof negative pressure fan - Google Patents
Wind-driven roof negative pressure fan Download PDFInfo
- Publication number
- CN220227244U CN220227244U CN202321956475.9U CN202321956475U CN220227244U CN 220227244 U CN220227244 U CN 220227244U CN 202321956475 U CN202321956475 U CN 202321956475U CN 220227244 U CN220227244 U CN 220227244U
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- negative pressure
- pressure fan
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- 241000883990 Flabellum Species 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Abstract
The utility model discloses a wind-driven roof negative-pressure fan which comprises a shell and a symmetrical cap, wherein a bottom plate is fixed on the outer side face of the bottom end of the shell, a first electric telescopic rod is fixed on the upper surface of the bottom plate, a first motor is installed on a mounting frame fixed at the output end of the first electric telescopic rod, a second electric telescopic rod is fixed on the lower surface of a transverse plate, a second motor is fixed on the left side of the transverse line rod, a rectangular block is fixed at the output end of the second motor, a stand column is arranged above the transverse plate, a rectangular box is fixed on the lower surface of the stand column, fan blades are fixed on the outer side face of the stand column, the symmetrical cap is fixed on the upper surface of the support frame, an inclined rod is fixed on the outer end of the support frame, a bearing ring is fixed on the inner wall of the shell, and the bearing ring is positioned above the transverse plate. The wind-driven roof negative pressure fan can be driven by wind power and electric power, and the rain shielding frame is conveniently retracted when the wind-driven roof negative pressure fan is not required to be used, and the fan blades and the symmetrical caps are stably rotated.
Description
Technical Field
The utility model relates to the technical field of roof negative pressure fans, in particular to a wind-driven roof negative pressure fan.
Background
The negative pressure fan arranged on the roof is convenient for ventilation of the building, so that air circulates in the building, in order to save energy, the negative pressure fan on the roof is driven by wind power, and when no wind exists, the negative pressure fan is driven by electric power, so that the use of electric power is reduced, and a rain shielding frame is arranged on the negative pressure fan, so that rainwater is prevented from entering the negative pressure fan;
however, when the existing wind-driven roof negative pressure fan is not needed, the rain shielding frame is inconvenient to retract, for example, the Chinese utility model with the authorized bulletin number of CN2106984U provides a wind-power dual-purpose roof ventilator, the rain shielding frame is fixedly arranged on the ventilator, and has a certain influence on wind in the external environment, and the external wind is shielded, so that the wind-driven roof negative pressure fan is influenced, and therefore, the wind-driven roof negative pressure fan is provided, so that the problems provided in the prior art are solved.
Disclosure of Invention
The utility model aims to provide a wind-driven roof negative pressure fan which can be driven by wind power and electric power, and is convenient to retract a rain shielding frame and stable in rotating fan blades and symmetrical caps when the wind-driven roof negative pressure fan is not required to be used.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a wind-driven roof negative pressure fan comprises a casing and a symmetrical cap:
a bottom plate is fixed on the outer side surface of the bottom end of the shell, a first electric telescopic rod is fixed on the upper surface of the bottom plate, a first motor is installed on a mounting frame fixed at the output end of the first electric telescopic rod, and the bottom end of a rain shielding frame is fixed at the output end of the first motor;
the filter screen is installed at the bottom end inside the shell, the transverse plate is fixed on the inner wall of the shell, the second electric telescopic rod is fixed on the lower surface of the transverse plate, the folding line rod is fixed at the output end of the second electric telescopic rod, the second motor is fixed on the left side of the folding line rod, the rectangular block is fixed at the output end of the second motor, the upright post is arranged above the transverse plate, the rectangular box is fixed on the lower surface of the upright post, the fan blades are fixed on the outer side surface of the upright post, and the supporting frame is fixed on the top end of the upright post;
the upper surface of support frame is fixed with symmetrical cap, and the outer end of support frame is fixed with the dead lever, the inner wall of casing is fixed with and accepts the ring, and accepts the ring and be located the top of diaphragm.
Preferably, the rectangular block is connected with the rectangular box in a clamping way.
Preferably, the bottom end of the upright post is rotatably arranged in the transverse plate.
Preferably, an annular groove is formed in the bearing ring.
Preferably, the bottom end of the inclined rod is of a spherical structure, and the spherical structure at the bottom end of the inclined rod is embedded into the annular groove of the bearing ring.
Preferably, the supporting frame and the casing are arranged in concentric circles.
Compared with the prior art, the utility model has the beneficial effects that: the wind-driven roof negative pressure fan can be driven by wind power and electric power, and is convenient to retract the rain shielding frame and stabilize the rotary fan blades and the symmetrical caps when the wind-driven roof negative pressure fan is not required to be used;
1. the air conditioner is characterized in that a rectangular block, a rectangular box and a symmetrical cap are arranged, the symmetrical cap is driven to rotate by wind power, so that fan blades indirectly connected with the symmetrical cap rotate, air flows in a machine shell, when no wind exists outside, the rectangular block is driven by a second electric telescopic rod to move upwards, the rectangular block is connected with the rectangular box in a clamping mode, the rectangular block, the rectangular box, the fan blades and the symmetrical cap are rotated under the action of a second motor, the air flows in the machine shell, and the air conditioner can be driven by wind power and electric power;
2. the rain shielding device is provided with a shell and a rain shielding frame, the first electric telescopic rod and the first motor are used for adjusting the height of the rain shielding frame under the action of the first electric telescopic rod, the rain shielding frame is driven to rotate by the first motor, and when the rain shielding frame is not needed to be used, the rain shielding frame is convenient to retract;
3. the fan blade and the symmetrical cap are stably rotated by supporting the fan blade and the symmetrical cap through the inclined rod.
Drawings
FIG. 1 is a schematic view of the front cut-away structure of the present utility model;
FIG. 2 is a schematic diagram of the whole structure of the connection of the folding line rod and the motor;
FIG. 3 is a schematic view of the whole structure of the connection of the diagonal rods and the supporting frames;
fig. 4 is a schematic elevational view of the present utility model.
In the figure: 1. a housing; 2. a bottom plate; 3. a first electric telescopic rod; 4. a first motor; 5. a rain shielding frame; 6. a filter screen; 7. a cross plate; 8. a second electric telescopic rod; 9. a fold line bar; 10. a second motor; 11. rectangular blocks; 12. a column; 13. a rectangular box; 14. a fan blade; 15. a support frame; 16. a symmetrical cap; 17. a diagonal rod; 18. and a receiving ring.
Description of the embodiments
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.
Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a wind-driven roof negative pressure fan, including casing 1, bottom plate 2, first electric telescopic handle 3, first motor 4, rain shielding frame 5, filter screen 6, diaphragm 7, second electric telescopic handle 8, broken line pole 9, second motor 10, rectangular piece 11, stand 12, rectangular box 13, flabellum 14, support frame 15, symmetrical cap 16, diagonal rod 17 and accept ring 18, casing 1 installs on the roof, the bottom opening of casing 1 communicates with the top gas outlet on roof, as shown in fig. 1, fig. 2 and fig. 3, the top of diaphragm 7 is provided with stand 12, and the lower surface of stand 12 is fixed with rectangular box 13, the lateral surface of stand 12 is fixed with flabellum 14, and the top of stand 12 is fixed with support frame 15, the upper surface of support frame 15 is fixed with symmetrical cap 16, and the outer end of support frame 15 is fixed with diagonal rod 17, the inner wall of casing 1 is fixed with accept ring 18, accept ring 18's inside has offered the ring channel, the bottom of diagonal rod 17 spherical structure, and the spherical structure of diagonal rod 17 bottom imbeds in ring 18, when the top of casing 1 is opened and is flowed with the top gas outlet on the roof, when the top of roof is opened, the annular channel 16, thereby the stand 1 is rotated, the centre circle 15 is rotated with the axial center circle 15 is located to the stand 1, the stand 1 is rotated to the axial center circle 15, the support frame is arranged in the centre of the axial movement of stand 1, the axial support frame is arranged in the centre of the axial support frame 1, and is arranged around the axial support frame 15, the axial support frame is at the centre 1;
the lower surface of the transverse plate 7 is fixedly provided with a second electric telescopic rod 8, the output end of the second electric telescopic rod 8 is fixedly provided with a folding line rod 9, the left side of the folding line rod 9 is fixedly provided with a second motor 10, the output end of the second motor 10 is fixedly provided with a rectangular block 11, when the external environment is windless and power is required to drive the fan blades 14 to rotate, the second motor 10 and the rectangular block 11 are lifted under the action of the second electric telescopic rod 8, so that the rectangular block 11 is in clamping connection with the rectangular box 13, and then the rectangular block 11, the rectangular box 13, the upright post 12, the fan blades 14, the support frames 15, the symmetrical caps 16 and the diagonal rods 17 are driven to rotate under the action of the second motor 10, so that air flows;
the inside bottom of casing 1 installs filter screen 6, through the dust in the filter screen 6 filtration air, the bottom lateral surface of casing 1 is fixed with bottom plate 2, and the last fixed surface of bottom plate 2 is fixed with first electric telescopic handle 3, install first motor 4 on the fixed mounting bracket of the output of first electric telescopic handle 3, and the output of first motor 4 is fixed with the bottom of hiding rain frame 5, during rainy, rise first motor 4 and hide rain frame 5 upwards under the effect of first electric telescopic handle 3, then rotate and hide rain frame 5 under the effect of first motor 4, as shown in fig. 4, protect casing 1 through hiding rain frame 5, avoid the rainwater to get into the inside of casing 1, so as to accomplish a series of operations of this wind-driven roof negative pressure fan, the content that does not make detailed description in this description belongs to the prior art that the expert of the field knows.
Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.
Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.
Claims (6)
1. The utility model provides a wind-force driven roof negative pressure fan, includes casing (1) and symmetrical cap (16), its characterized in that:
the outer side surface of the bottom end of the shell (1) is fixed with a bottom plate (2), the upper surface of the bottom plate (2) is fixed with a first electric telescopic rod (3), a first motor (4) is installed on a mounting frame fixed at the output end of the first electric telescopic rod (3), and the bottom end of a rain shielding frame (5) is fixed at the output end of the first motor (4);
the novel electric motor is characterized in that a filter screen (6) is arranged at the bottom end of the interior of the casing (1), a transverse plate (7) is fixed on the inner wall of the casing (1), a second electric telescopic rod (8) is fixed on the lower surface of the transverse plate (7), a folding line rod (9) is fixed at the output end of the second electric telescopic rod (8), a second motor (10) is fixed on the left side of the folding line rod (9), a rectangular block (11) is fixed at the output end of the second motor (10), an upright column (12) is arranged above the transverse plate (7), a rectangular box (13) is fixed on the lower surface of the upright column (12), fan blades (14) are fixed on the outer side surface of the upright column (12), and a supporting frame (15) is fixed on the top end of the upright column (12);
the upper surface of support frame (15) is fixed with symmetrical cap (16), and the outer end of support frame (15) is fixed with diagonal rod (17), the inner wall of casing (1) is fixed with and accepts ring (18), and accepts ring (18) to be located the top of diaphragm (7).
2. A wind-powered rooftop negative pressure fan as set forth in claim 1, wherein: the rectangular block (11) and the rectangular box (13) are connected in a clamping connection mode.
3. A wind-powered rooftop negative pressure fan as set forth in claim 1, wherein: the bottom end of the upright post (12) is rotatably arranged in the transverse plate (7).
4. A wind-powered rooftop negative pressure fan as set forth in claim 1, wherein: an annular groove is formed in the bearing ring (18).
5. A wind-powered rooftop negative pressure fan as set forth in claim 4, wherein: the bottom end of the inclined rod (17) is of a spherical structure, and the spherical structure at the bottom end of the inclined rod (17) is embedded into the annular groove of the bearing ring (18).
6. A wind-powered rooftop negative pressure fan as set forth in claim 1, wherein: the supporting frame (15) and the shell (1) are arranged in concentric circles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321956475.9U CN220227244U (en) | 2023-07-25 | 2023-07-25 | Wind-driven roof negative pressure fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321956475.9U CN220227244U (en) | 2023-07-25 | 2023-07-25 | Wind-driven roof negative pressure fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220227244U true CN220227244U (en) | 2023-12-22 |
Family
ID=89184965
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321956475.9U Active CN220227244U (en) | 2023-07-25 | 2023-07-25 | Wind-driven roof negative pressure fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220227244U (en) |
-
2023
- 2023-07-25 CN CN202321956475.9U patent/CN220227244U/en active Active
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