CN220750318U - Ductless roof ventilator - Google Patents
Ductless roof ventilator Download PDFInfo
- Publication number
- CN220750318U CN220750318U CN202322318175.4U CN202322318175U CN220750318U CN 220750318 U CN220750318 U CN 220750318U CN 202322318175 U CN202322318175 U CN 202322318175U CN 220750318 U CN220750318 U CN 220750318U
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- Prior art keywords
- frame
- ventilator
- fixedly connected
- opening
- fluted disc
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- 238000009423 ventilation Methods 0.000 claims abstract description 28
- 230000005540 biological transmission Effects 0.000 claims description 4
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 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
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Abstract
The utility model relates to the technical field of ventilators and discloses a pipeline-free roof ventilator which comprises a base frame, wherein a side fixed lug is fixedly connected to an end corner of the base frame, a ventilator frame is fixedly connected to the upper end face of the base frame, a top cover is fixedly connected to the top end of the ventilator frame, side connecting strips are fixedly connected to the inner side wall of the ventilator frame, an external connection surface is arranged on the surface of each side connecting strip, a frame cavity is formed in the ventilator frame, a positive and negative motor is fixedly connected to the inner bottom face of the frame cavity, a driving fluted disc is fixedly connected to the output end of the positive and negative motor, and a driven fluted disc is rotatably connected to the inner bottom face of the frame cavity and the outer side of the positive and negative motor. The pipeline-free roof ventilator is characterized in that the base frame is installed and fixed at the roof ventilation opening through the side fixed lugs, and indoor and outdoor air exchange can be actively realized through the roof ventilator with the structure.
Description
Technical Field
The utility model relates to the technical field of ventilators, in particular to a ductless roof ventilator.
Background
Roof ventilators are also called roof natural ventilators, roof natural ventilators and the like, and are mainly unfolded around the principle that when wind acts on an object in an aerodynamic wind carrier type theory, the windward side is pressure, and the leeward side and the windward side are suction;
the existing roof ventilator can exchange indoor and outdoor air through the pipeline when in use, and indoor and outdoor air is not conveniently exchanged through the roof ventilator directly, so that the travel of air in the pipeline is increased, the indoor and outdoor air exchange rate is reduced, meanwhile, the existing roof ventilator is mostly open, namely, the ventilation opening is open, and a certain opening closing structure does not exist, so that the roof ventilator is not convenient to actively open or close according to external weather conditions.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a ductless roof ventilator, which solves the problems that the roof ventilator has low indoor and outdoor air exchange rate and is inconvenient to actively open or close according to external weather conditions.
In order to achieve the purpose that the roof ventilator has high indoor and outdoor air exchange rate and is convenient to actively open or close according to external weather conditions, the utility model provides the following technical scheme: the utility model provides a no pipeline formula roof ventilator, includes the base frame, the terminal angle department fixedly connected with side of base frame decides the ear, the up end fixedly connected with ventilator frame of base frame, the top fixedly connected with top cap of ventilator frame, the inside wall fixedly connected with side joint strip of ventilator frame, the external face has been seted up on the surface of side joint strip, the frame chamber has been seted up to the inside of ventilator frame, the inside bottom surface fixedly connected with positive and negative motor of frame chamber, the output fixedly connected with drive fluted disc of positive and negative motor, the inside bottom surface of frame chamber and the outside rotation that lies in positive and negative motor are connected with driven fluted disc;
the driving fluted disc is connected with a chain in a transmission manner between the driving fluted disc and the driven fluted disc, the end face of the driven fluted disc is fixedly connected with a rotating shaft, the surface of the rotating shaft is fixedly connected with an opening and closing piece, an inscribed surface is arranged on the side face of the opening and closing piece, and a ventilation groove is formed in a gap between the opening and closing pieces on two adjacent sides.
Preferably, the opening and closing sheet is in a parallelogram shape, the external connection surface is matched with the internal connection surface, and the opening and closing sheets on two adjacent sides are in contact.
Preferably, the side of the ventilator frame is provided with a rectangular through groove, the opening and closing piece is positioned inside the rectangular through groove, and the top end and the bottom end of the opening and closing piece are contacted with the top surface and the bottom surface of the rectangular through groove.
Preferably, the rotating shaft penetrates through the ventilator frame, extends into the rectangular through groove on the side surface of the ventilator frame and is fixedly connected with the opening and closing piece.
Preferably, the frame cavity is rectangular, the driving fluted disc is fixed at the end corner of the inner bottom surface of the frame cavity, and a plurality of groups of driven fluted discs are arranged between the driving fluted discs at two sides.
Preferably, the base frame is a rectangular frame, the bottom surface of the base frame is in an open shape, and the ventilation groove is communicated with the open through groove on the bottom surface of the base frame.
Compared with the prior art, the utility model provides a ductless roof ventilator, which has the following beneficial effects:
1. this no pipeline formula roof ventilator, when need to be indoor outside going on the ventilation, start positive and negative motor makes its output clockwise turn this moment, and the driven fluted disc of drive through the chain can drive also clockwise turn to the driven fluted disc, and the driven fluted disc can drive the piece that opens and shuts this moment through the pivot and clockwise turn, consequently can make the outside one end of adjacent both sides piece that opens and shuts keep away from each other, can open the ventilation groove, can directly carry out the air exchange indoor outside this moment through the ventilation groove to improve indoor outside air exchange's speed.
2. The pipeline-free roof ventilator can enable the outer side ends of the opening and closing sheets on two adjacent sides to be far away from each other when the opening and closing sheets rotate clockwise, and open the ventilation groove.
Drawings
FIG. 1 is a close-up view of a vent slot of the present utility model;
FIG. 2 is an open view of the vent slot of the present utility model;
FIG. 3 is a top view of the structural opening and closing sheet of the present utility model;
FIG. 4 is a top plan view of a ventilator frame of the present utility model;
fig. 5 is an enlarged schematic view of the structure a in fig. 4 according to the present utility model.
Wherein: 1. a base frame; 2. a side fixed ear; 3. a ventilator frame; 4. a top cover; 5. a side joint strip; 6. an external surface; 7. a frame cavity; 8. a forward and reverse motor; 9. driving the fluted disc; 10. a driven fluted disc; 11. a chain; 12. a rotating shaft; 13. an opening and closing sheet; 14. an inscription surface; 15. a ventilation groove.
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.
Referring to fig. 1-5, the utility model provides a ductless roof ventilator, which comprises a base frame 1, wherein a side fixed lug 2 is fixedly connected at an end corner of the base frame 1, a ventilator frame 3 is fixedly connected to an upper end surface of the base frame 1, a top cover 4 is fixedly connected to a top end of the ventilator frame 3, a side bar 5 is fixedly connected to an inner side wall of the ventilator frame 3, an external connection surface 6 is arranged on the surface of the side bar 5, a frame cavity 7 is arranged in the ventilator frame 3, a positive and negative motor 8 is fixedly connected to an inner bottom surface of the frame cavity 7, a driving fluted disc 9 is fixedly connected to an output end of the positive and negative motor 8, and a driven fluted disc 10 is rotatably connected to an outer side of the positive and negative motor 8 on the inner bottom surface of the frame cavity 7;
the driving fluted disc 9 is connected with the chain 11 in a transmission manner between the driven fluted disc 10 and the driven fluted disc 9, the end face of the driven fluted disc 10 is fixedly connected with the rotating shaft 12, the surface of the rotating shaft 12 is fixedly connected with the opening and closing sheet 13, the side face of the opening and closing sheet 13 is provided with the inner connecting face 14, gaps between the adjacent two side opening and closing sheets 13 form the ventilation groove 15, the base frame 1 is installed and fixed at the roof ventilation opening through the side fixing lugs 2, the positive and negative motor 8 is electrically connected with the external control switch, the output end of the positive and negative motor 8 can be driven to rotate positively or reversely, when ventilation is required to be carried out indoors and outdoors, the positive and negative motor 8 is started at the moment to enable the output end of the positive and negative motor 8 to rotate clockwise, the positive and negative motor 8 can be driven to drive the driving fluted disc 9 to rotate through the chain 11, and the driven fluted disc 9 can drive the driven fluted disc 10 to rotate clockwise through the rotating shaft 11, at the moment, and one end of the outer side opening and closing sheets 13 can be driven to rotate clockwise through the rotating shaft 12, so that the outer side opening and the ventilation groove 15 can be opened, and at the moment, air exchange indoor and outdoor air can be directly carried out through the ventilation groove 15, and the air exchange can be used without needing to improve indoor and outdoor air exchange rate.
Further, the opening and closing piece 13 is in a parallelogram shape, the external connection surface 6 is matched with the internal connection surface 14, the opening and closing pieces 13 on two adjacent sides are contacted, when the opening and closing piece 13 rotates clockwise, the outer side ends of the opening and closing pieces 13 on two adjacent sides are far away from each other, and the ventilation groove 15 is opened, when the opening and closing piece 13 rotates anticlockwise, the outer side ends of the opening and closing pieces 13 on two adjacent sides are close to each other, when the outer side ends of the opening and closing pieces 13 contact each other, the opening and closing pieces are stopped rotating, and at the moment, the ventilation groove 15 is closed, so that the ductless roof ventilator can be actively opened or closed according to external weather conditions.
Further, a rectangular through groove is formed in the side surface of the ventilator frame 3, the opening and closing piece 13 is located inside the rectangular through groove, and the top end and the bottom end of the opening and closing piece 13 are in contact with the top surface and the bottom surface of the rectangular through groove, that is, the upper end and the lower end of the opening and closing piece 13 are in contact with the ventilator frame 3, so that the rectangular through groove in the side surface of the ventilator frame 3 can be completely closed after the outer ends of the opening and closing pieces 13 are in contact with each other.
Further, the rotating shaft 12 penetrates through the ventilator frame 3, and the rotating shaft 12 extends into the rectangular through groove on the side surface of the ventilator frame 3 and is fixedly connected with the opening and closing piece 13, so that the rotating shaft 12 can drive the opening and closing piece 13 to rotate clockwise or anticlockwise.
Further, the frame cavity 7 is rectangular, the driving fluted disc 9 is fixed at the end corner of the inner bottom surface of the frame cavity 7, a plurality of groups of driven fluted discs 10 are arranged between the driving fluted discs 9 at two sides, and the driven fluted discs 10 can drive the opening and closing sheets 13 to rotate clockwise or anticlockwise through the rotating shaft 12 so as to open or close the ventilation slots 15 through the opening and closing sheets 13.
Further, the base frame 1 is a rectangular frame, the bottom surface of the base frame 1 is in an open shape, the ventilation groove 15 is communicated with an open through groove on the bottom surface of the base frame 1, and when the ventilation groove 15 is opened, the ventilation groove 15 is directly communicated with the open through groove on the bottom surface of the base frame 1, so that indoor and outdoor air can be directly exchanged without a pipeline.
When the indoor ventilation device is used, the base frame 1 is installed and fixed at a roof ventilation opening through the side fixed lugs 2, the positive motor 8 and the negative motor 8 are electrically connected with an external control switch, the output end of the positive motor 8 can be driven to rotate positively or reversely, when ventilation is needed to be carried out indoors and outdoors, the positive motor 8 is started at the moment to enable the output end of the positive motor 8 to rotate clockwise, the positive motor 8 can drive the driving fluted disc 9 to rotate, the driving fluted disc 9 can drive the driven fluted disc 10 to rotate clockwise through the chain 11, the driven fluted disc 10 can drive the opening and closing piece 13 to rotate clockwise through the rotating shaft 12 at the moment, therefore, the outer ends of the adjacent two side opening and closing pieces 13 are mutually far away, the ventilation groove 15 can be opened, at the moment, air exchange can be directly carried out indoors and outdoors through the ventilation groove 15, a pipeline is not needed to be used, so that the indoor and outdoor air exchange rate is improved, and meanwhile, when the output end of the positive motor 8 rotates anticlockwise, the ventilation groove 15 can be closed through the opening and closing piece 13, so that the ductless roof ventilator can be actively opened or closed according to external weather conditions.
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 (6)
1. Ductless roof ventilator, including base frame (1), its characterized in that: the novel fan comprises a base frame (1), wherein a side fixing lug (2) is fixedly connected to an end corner of the base frame (1), a ventilator frame (3) is fixedly connected to the upper end face of the base frame (1), a top cover (4) is fixedly connected to the top end of the ventilator frame (3), a side connecting strip (5) is fixedly connected to the inner side wall of the ventilator frame (3), an external connecting surface (6) is arranged on the surface of the side connecting strip (5), a frame cavity (7) is arranged in the ventilator frame (3), a positive and negative motor (8) is fixedly connected to the inner bottom face of the frame cavity (7), a driving fluted disc (9) is fixedly connected to the output end of the positive and negative motor (8), and a driven fluted disc (10) is rotatably connected to the inner bottom face of the frame cavity (7) and the outer side of the positive and negative motor (8);
the novel automatic transmission device is characterized in that a chain (11) is connected between the driving fluted disc (9) and the driven fluted disc (10) in a transmission manner, a rotating shaft (12) is fixedly connected to the end face of the driven fluted disc (10), an opening and closing piece (13) is fixedly connected to the surface of the rotating shaft (12), an inscribed surface (14) is arranged on the side face of the opening and closing piece (13), and ventilation grooves (15) are formed in gaps between the opening and closing pieces (13) on two adjacent sides.
2. The ductless roof ventilator of claim 1, wherein: the opening and closing piece (13) is in a parallelogram shape, the external connection surface (6) is matched with the internal connection surface (14), and the opening and closing piece (13) on two adjacent sides are contacted.
3. The ductless roof ventilator of claim 1, wherein: rectangular through grooves are formed in the side faces of the ventilator frame (3), the opening and closing pieces (13) are located inside the rectangular through grooves, and the top ends and the bottom ends of the opening and closing pieces (13) are in contact with the top faces and the bottom faces of the inner portions of the rectangular through grooves.
4. The ductless roof ventilator of claim 1, wherein: the rotating shaft (12) penetrates through the ventilator frame (3), and the rotating shaft (12) extends into the rectangular through groove on the side surface of the ventilator frame (3) and is fixedly connected with the opening and closing piece (13).
5. The ductless roof ventilator of claim 1, wherein: the frame cavity (7) is rectangular, the driving fluted disc (9) is fixed at the end corner of the inner bottom surface of the frame cavity (7), and a plurality of groups of driven fluted discs (10) are arranged between the driving fluted discs (9) at two sides.
6. The ductless roof ventilator of claim 1, wherein: the base frame (1) is a rectangular frame, the bottom surface of the base frame (1) is in an open shape, and the ventilation groove (15) is communicated with an open through groove on the bottom surface of the base frame (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322318175.4U CN220750318U (en) | 2023-08-28 | 2023-08-28 | Ductless roof ventilator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322318175.4U CN220750318U (en) | 2023-08-28 | 2023-08-28 | Ductless roof ventilator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220750318U true CN220750318U (en) | 2024-04-09 |
Family
ID=90555503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322318175.4U Active CN220750318U (en) | 2023-08-28 | 2023-08-28 | Ductless roof ventilator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220750318U (en) |
-
2023
- 2023-08-28 CN CN202322318175.4U patent/CN220750318U/en active Active
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