CN107237781B - Stability control device for automatic opening and closing of fan air guide blades - Google Patents
Stability control device for automatic opening and closing of fan air guide blades Download PDFInfo
- Publication number
- CN107237781B CN107237781B CN201710699101.6A CN201710699101A CN107237781B CN 107237781 B CN107237781 B CN 107237781B CN 201710699101 A CN201710699101 A CN 201710699101A CN 107237781 B CN107237781 B CN 107237781B
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- China
- Prior art keywords
- air guide
- fan
- linkage rod
- closing
- opening
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Classifications
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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
- F04D29/40—Casings; Connections of working fluid
- F04D29/52—Casings; Connections of working fluid for axial pumps
- F04D29/54—Fluid-guiding means, e.g. diffusers
- F04D29/541—Specially adapted for elastic fluid pumps
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The invention relates to a stability control device for automatically opening and closing a fan air guide blade, which is characterized in that: the air guide device comprises a linkage rod, a plurality of swing arms and a positioning mechanism, wherein the linkage rod is arranged on a fan shell, and the linkage rod is a connecting rod positioned at one side of a rotating shaft of each air guide blade; the swinging arms are swinging pieces, one ends of the swinging pieces are fixedly connected with the rotating shafts of the air guide blades, the other ends of the swinging pieces are rotatably arranged on the linkage rod, and the swinging pieces control the air guide blades to synchronously rotate back and forth to open/close under the action of the linkage rod; the positioning mechanism is used for controlling the air guide blades to automatically form a stable opening/closing state when the fan is started/closed. The invention has the advantages of simple structure, convenient installation, strong usability, electricity saving and the like, and can control the opening (opening) and closing functions of the wind guiding blades without electricity.
Description
Technical Field
The present invention relates to a control unit for a fan, and more particularly, to a control device for controlling an open or closed state of a wind guiding blade.
Background
At present, the opening and closing of the exhaust fan are controlled by a motor gear, and the shutter is opened or closed by using a centrifugal mechanism (comprising a centrifugal hammer, a centrifugal arm and the like) as power, for example, the invention patent of an external strong wind resistant greenhouse shutter fan disclosed by the Chinese intellectual property office with the patent number 01252447.7 and the invention of an exhaust fan with a shutter with the patent number 201220169377.6 are invented, and the two modes are controlled by the motor gear and are connected with a power supply, so that the cost is high; by utilizing the centrifugal mechanism mode, electric control is not needed, but the structure is complex, the working stability performance is poor, and the manufacturing cost is high.
Disclosure of Invention
The invention provides a stability control device for automatically opening and closing a fan air guide blade, which aims to solve the defect that a shutter blade of the existing fan is automatically opened or closed.
A stability control device for automatically opening and closing a fan air guide blade is characterized in that: the air guide device comprises a linkage rod, a plurality of swing arms and a positioning mechanism, wherein the linkage rod is arranged on a fan shell, and the linkage rod is a connecting rod positioned at one side of a rotating shaft of each air guide blade; the swinging arms are swinging pieces, one ends of the swinging pieces are fixedly connected with the rotating shafts of the air guide blades, the other ends of the swinging pieces are rotatably arranged on the linkage rod, and the swinging pieces control the air guide blades to synchronously rotate back and forth to open/close under the action of the linkage rod; the positioning mechanism is used for controlling the air guide blades to automatically form a stable opening/closing state when the fan is started/closed.
Further, the positioning mechanism consists of a rotating part and a pulling spring, wherein the rotating part is rotatably arranged at one side of the linkage rod and rotates along with the swing of the wind guide blades, one end of the pulling spring is fixed at the peripheral position of the rotating part, so that when the wind guide blades are automatically opened/closed in the starting/closing state of the fan, the rotating part is driven to rotate and swing back and forth at a certain angle through the rotating shaft and the linkage rod, and the opening/closing positioning function of each wind guide blade is formed under the action of the pulling spring during swing.
Further, the rotating piece is a V-shaped component, the middle position of the rotating piece is positioned and installed through the rotating shaft, one end of the rotating piece is rotatably connected to the linkage rod, and the other end of the rotating piece is connected with the pulling spring to be installed to form the rotating piece to rotate back and forth, so that the relative stretching and positioning functions are realized.
Further, the rotating piece is rotationally connected with one end of the linkage rod to form a driving arm, the other end of the rotating piece is connected with the pulling spring to form a pulling arm, and the pulling arm positions the linkage rod through the driving arm under the pulling of the pulling spring, so that each wind guide blade forms a stable opening/closing state.
Further, a starting curved surface is arranged on any one of the wind guiding blades, the starting curved surface is an arc-shaped extension part arranged on the inner side edge of the wind guiding blade, and the arc-shaped extension part and the adjacent wind guiding blade form a wind receiving opening, so that the wind guiding blade provided with the starting curved surface forms a starting blade for opening all the wind guiding blades.
Further, the wind guiding sheet is provided with an outer closed curved surface on the outer side and an inner closed curved surface on the inner side, and the outer closed curved surface and the inner closed curved surface are curved surfaces in reverse corresponding fitting shapes.
Further, a fixing groove is formed in the middle of the air guide blade, the rotating shaft is fixed on the air guide blade through the fixing groove, and the fan shell is rotatably installed.
Further, the linkage rod, the swing arm and the positioning mechanism are positioned on the inner side or the outer side of the fan shell.
Further, an installation groove is formed in one inner side or one outer side of the fan shell, and the linkage rod, the swinging arm and the positioning mechanism are fixed on the fan shell through the installation groove.
Further, the rotating piece rotates and swings back and forth at an angle of 30-90 degrees.
The invention has the beneficial effects that:
the invention has the advantages of simple structure, convenient installation, strong usability, electricity saving and the like, and can control the opening (opening) and closing functions of the wind guiding blades without electricity.
Drawings
Fig. 1 is a schematic structural view of the present invention.
FIG. 2 is a view showing the closed state of the wind guiding sheet.
Fig. 3 is a view showing the opened state of the wind guiding sheet of the present invention.
Fig. 4 is an enlarged schematic view at a of fig. 2.
Fig. 5 is an enlarged schematic view at B of fig. 3.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 to 5, a stability control device for automatically opening and closing a fan air guide blade comprises a linkage rod 1, a plurality of swing arms 2 and a positioning mechanism 3 which are arranged on a fan shell 5, wherein the linkage rod 1 is a connecting rod positioned at one side of a rotating shaft 41 of each air guide blade 4; the swing arms 2 are swing pieces, one ends of which are fixedly connected with the rotating shafts 41 of the wind guide blades 4, the other ends of which are rotatably arranged on the linkage rod 2, and the swing pieces control the wind guide blades 4 to synchronously rotate back and forth to open/close under the action of the linkage rod 2; namely, each swing arm 2 is a swing piece, one end of which is fixedly connected with a rotating shaft 41 of each wind guide blade 4, the other end of which is rotatably arranged on the linkage rod 2, and each swing piece is used for controlling each wind guide blade 4 to synchronously rotate back and forth to open/close; the positioning mechanism 3 is used for controlling the air guide blades 4 to automatically form a stable opening/closing state when the fan is started/closed.
In the embodiment, a mounting groove 6 is formed in an inner side or an outer side of the fan housing 5, and the linkage rod 1, the swing arm 2 and the positioning mechanism 3 are fixed on the fan housing 5 through the mounting groove 6. The positioning mechanism 3 consists of a rotating member 31 and a pulling spring 32, wherein the rotating member 31 is rotatably arranged at one side of the linkage rod 1 and rotates along with the swing of the wind guide blade 4, the rotating angle of the rotating member 31 is 30-90 degrees, namely, the rotating member 31 swings back and forth in a 30-90 degree angle. One end of the pulling spring 32 is fixed on the peripheral position of the rotating member 31, so that when the wind guiding blades 4 are automatically opened/closed in the starting/closing state of the fan, the rotating member 31 is driven to rotate and swing back and forth at a certain angle through the rotating shaft 41 and the linkage rod 1, and when the wind guiding blades are swung, the opening/closing positioning function of each wind guiding blade 4 is formed under the action of the pulling spring 32.
Specifically, as shown in fig. 3 and fig. 4, the rotating member 31 is a V-shaped member, the middle position of the rotating member 31 is positioned and installed through a rotating shaft 311, one end of the rotating member 31 is rotatably connected to the linkage rod 1, and the other end of the rotating member 31 is connected to the pulling spring 32 to form a relatively stretching and positioning function when the rotating member 31 rotates back and forth. Further, the rotating member 31 is rotatably connected to one end of the linkage rod 1 to form a driving arm 312, and the other end is connected to the pulling spring 32 to form a pulling arm 313, and the pulling arm 313 positions the linkage rod 1 through the driving arm 312 under the pulling of the pulling spring 32, so that each wind guiding blade 4 forms a stable open/close state.
When the wind-guiding device is applied, when a fan is started (namely, a motor is started to rotate), the wind-guiding blades 4 of the fan slowly rotate and open, the rotating shafts 41 of the wind-guiding blades 4 drive the swinging arms 2 to control the linkage rods 1 to swing upwards to control the wind-guiding blades 4 to synchronously and slowly open, meanwhile, the driving arms 312 are pulled to rotate when the linkage rods 1 swing upwards, the driving arms 312 rotate under the action of the rotating shafts 311, namely, the rotating shafts 311 are used as central shafts to drive the pulling arms 313 to swing, at the moment, the pulling springs 32 are stressed and stretched gradually, and when the rotating members 31 rotate to a certain angle, (as shown in fig. 5, the pulling arms 313 of the rotating members 31 relatively pull one end fixing points O of the springs 32 to the central straight line L of the rotating shafts 311), the pulling springs 32 swing on one side of the rotating shafts 311, namely, when the pulling arms 313 rotate clockwise, the linkage arms 313 are gradually stressed and stretched, the driving arms 313 are utilized to tension the rotating members 31, and the driving arms 312 of the rotating members 31 keep the upward and tensioned state, so that the wind-guiding blades 4 automatically keep the wind-guiding blades 4 to open, and even if the linkage rods 1 position the wind-guiding blades 4 in a state through the swinging arms 2, the wind-guiding blades 4 to blow down, the wind direction is prevented from influencing the self-weight of the wind-guiding blades 4;
similarly, when the fan is turned off (i.e. the motor stops rotating), the fan wind-guiding blades 4 are turned off slowly, the rotating shaft 41 of the wind-guiding blades 4 drives the swinging arms 2 to control the linkage rod 1 to swing downwards to control the wind-guiding blades 4 to be turned off synchronously and slowly, meanwhile, the linkage rod 1 swings downwards to pull the driving arm 312 to rotate, the driving arm 312 drives the pulling arm 313 to swing under the action of the rotating shaft 311 when rotating, namely, the rotating shaft 311 serves as a central shaft, at this time, the pulling spring 32 is gradually stressed and lengthened when the pulling arm 313 rotates anticlockwise, namely, the rotating shaft 311 swings reversely, and then the pulling arm 313 of the rotating member 31 is stressed and stretched, namely, when the rotating member 31 rotates to another direction angle (as shown in fig. 4, a fixed point O of one end of the pulling arm 313 of the rotating member 31 is 60 degrees with respect to the central straight line L of the rotating shaft 311), the pulling arm 32 swings on the other side of the rotating shaft 311, the pulling arm 313 is utilized to tighten the rotating member 31, so that the driving arm 312 of the rotating member 31 keeps the rod 1 in a downward tensioning state, and the wind-guiding blades 4 are automatically kept in a closed state, namely, the wind-guiding blades 4 are prevented from being affected by the wind-guiding blades 2, and the wind-guiding blades are prevented from being blown out, namely, the wind-guiding blades 4 are prevented from being affected by the wind-guiding blades are positioned when the wind-guiding blades are moved, and the wind-guiding blades are moved.
In order to better realize the automatic opening performance of the air guide blades 4, a starting curved surface 43 is arranged on any one air guide blade 4 in the air guide blades 4, namely, the starting curved surface 43 is arranged on one air guide blade 4 in the air guide blades 4, the starting curved surface 43 is an arc-shaped extension part arranged on the inner side edge of the air guide blade 4, and the arc-shaped extension part and the adjacent air guide blade 4 form an air receiving opening 44, so that the air guide blade 4 provided with the starting curved surface 43 forms the starting blade for opening all the air guide blades 4, when the fan is started, the wind force of the fan blows to the air receiving opening 44, the air guide blade 4 where the wind force is automatically opened under the action of the stress opening 44, and all the air guide blades 4 are opened through the linkage rod 1, so that the wind energy of the fan can rapidly open all the air guide blades 4 without using an electric control motor gear to open or avoid adopting a centrifugal mechanism with complex structure and poor working stability.
In order to make the closing performance of each wind guiding blade 4 better, the wind guiding blade 4 is provided with an outer closing curved surface 45 for the outer side, and an air guiding plate with an inner closing curved surface 46 for the inner side, and the outer closing curved surface 45 and the inner closing curved surface 46 are curved surfaces with opposite corresponding fitting shapes.
In order to better install the wind guiding blade 4 on the fan housing 5, a fixing slot 47 is provided in the middle of the wind guiding blade 4, the rotating shaft 41 is fixed on the wind guiding blade 4 through the fixing slot 47, and is rotatably installed on the fan housing 5, that is, one end of the rotating shaft 41 is polygonal, and the polygonal portion at one end of the rotating shaft is installed on the fixing slot 47. The linkage rod 1, the swing arm 2 and the positioning mechanism 3 are positioned on the inner side or the outer side of the fan shell 5.
Claims (8)
1. A stability control device for automatically opening and closing a fan air guide blade is characterized in that: the air guide device comprises a linkage rod (1), a plurality of swing arms (2) and a positioning mechanism (3) which are arranged on a fan shell (5), wherein the linkage rod (1) is a connecting rod positioned at one side of a rotating shaft (41) of each air guide blade (4); the plurality of swing arms (2) are swing pieces, one ends of which are fixedly connected with the rotating shafts (41) of the air guide blades (4), the other ends of which are rotatably arranged on the linkage rod (1), and the swing pieces control the air guide blades (4) to synchronously rotate back and forth to be opened/closed under the action of the linkage rod (1); when the fan is started/closed, the positioning mechanism (3) is used for controlling the air guide blades (4) to automatically form a stable opening/closing state, a starting curved surface (43) is arranged on any one air guide blade (4) of the air guide blades (4), the starting curved surface (43) is an arc extension part arranged on the inner side edge of the air guide blade (4), and the arc extension part and the adjacent air guide blade (4) form an air receiving opening (44), so that the air guide blade (4) provided with the starting curved surface (43) forms a starting blade for opening all the air guide blades (4), and when the fan is started, the wind force of the fan blows to the air receiving opening (44), and the air guide blade (4) where the air guide blade is positioned is automatically opened under the action of the air receiving opening (44); the positioning mechanism (3) consists of a rotating piece (31) and a pulling spring (32), wherein the rotating piece (31) is rotatably arranged on one side of the linkage rod (1), one end of the pulling spring (32) is fixed on the peripheral position of the rotating piece (31), so that when the wind guiding blades (4) are automatically opened/closed under the starting/closing state of the fan, the rotating piece (31) is driven to rotate and swing back and forth at a certain angle through the rotating shaft (41) and the linkage rod (1), and the opening/closing positioning function of each wind guiding blade (4) is formed under the action of the pulling spring (32) during swinging.
2. The automatic opening and closing stability control device for a fan air guide blade according to claim 1, wherein the device is characterized in that: the rotating piece (31) is a V-shaped component, the middle position of the rotating piece (31) is positioned and installed through the rotating shaft (311), one end of the rotating piece is rotationally connected with the linkage rod (1), and the other end of the rotating piece is connected with the pulling spring (32) to form the rotating piece (31) to rotate back and forth, so that the relative stretching and positioning functions are realized.
3. The automatic opening and closing stability control device for the fan air guide blades according to claim 2, wherein the device is characterized in that: the rotating piece (31) is rotationally connected with one end of the linkage rod (1) to form a driving arm (312), the other end of the linkage rod is connected with the pulling spring (32) to form a pulling arm (313), and the pulling arm (313) positions the linkage rod (1) through the driving arm (312) under the pulling of the pulling spring (32) so that each wind guide blade (4) forms a stable open/close state.
4. The automatic opening and closing stability control device for a fan air guide blade according to claim 1, wherein the device is characterized in that: the wind guiding sheet (4) is provided with an outer closed curved surface (45) at the outer side and an air guiding plate with an inner closed curved surface (46) at the inner side, and the outer closed curved surface (45) and the inner closed curved surface (46) are curved surfaces with opposite corresponding attaching shapes.
5. The automatic opening and closing stability control device for a fan air guide blade according to claim 1, wherein the device is characterized in that: the middle position of the wind guiding blade (4) is provided with a fixing groove (47), the rotating shaft (41) is fixed on the wind guiding blade (4) through the fixing groove (47), and the wind guiding blade is rotatably arranged on the fan shell (5).
6. The automatic opening and closing stability control device for a fan air guide blade according to claim 1, wherein the device is characterized in that: the linkage rod (1), the swing arm (2) and the positioning mechanism (3) are positioned at the inner side or the outer side of the fan shell (5).
7. The automatic opening and closing stability control device for a fan air guide blade according to claim 1, wherein the device is characterized in that: an inner side or an outer side of the fan shell (5) is provided with a mounting groove (6), and the linkage rod (1), the swinging arm (2) and the positioning mechanism (3) are fixed on the fan shell (5) through the mounting groove (6).
8. The automatic opening and closing stability control device for the fan air guide blades according to claim 2, wherein the device is characterized in that: the rotating piece (31) rotates and swings back and forth at an angle of 30-90 degrees.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710699101.6A CN107237781B (en) | 2017-08-15 | 2017-08-15 | Stability control device for automatic opening and closing of fan air guide blades |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710699101.6A CN107237781B (en) | 2017-08-15 | 2017-08-15 | Stability control device for automatic opening and closing of fan air guide blades |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107237781A CN107237781A (en) | 2017-10-10 |
| CN107237781B true CN107237781B (en) | 2023-09-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710699101.6A Active CN107237781B (en) | 2017-08-15 | 2017-08-15 | Stability control device for automatic opening and closing of fan air guide blades |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107237781B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109139561B (en) * | 2018-09-30 | 2020-08-25 | 珠海格力电器股份有限公司 | Air deflector movement device and fan |
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| CN2437879Y (en) * | 2000-08-11 | 2001-07-04 | 浙江龙胜电器有限公司 | Scavenger fan with air pressure type automatic shutter mechanism |
| WO2003042544A1 (en) * | 2001-11-14 | 2003-05-22 | Roberto Pericoli | Governor device for actuation of fan shutters |
| EP1359326A1 (en) * | 2002-04-18 | 2003-11-05 | Agratec, S.A. | Centrifugal drive device for automatic opening of fan louvers |
| TWM458471U (en) * | 2012-12-26 | 2013-08-01 | xi-qing Cai | Blower with automatic activation of ventilation door |
| KR20140011644A (en) * | 2012-07-18 | 2014-01-29 | 주식회사 팬직 | A blower possessing shutters which are operated by wind pressure |
| CN205036633U (en) * | 2015-09-29 | 2016-02-17 | 广州市伟森机电科技有限公司 | Fan blade structure with performance is closed to good opening |
| CN205977772U (en) * | 2016-09-03 | 2017-02-22 | 佛山市顺德区艾朗电器有限公司 | Air discharge fan ventilation curtain |
| CN207246122U (en) * | 2017-08-15 | 2018-04-17 | 广州市伟森机电科技有限公司 | A kind of control device for stability of the automatic opening and closing of wind turbine wind-guiding hinge |
-
2017
- 2017-08-15 CN CN201710699101.6A patent/CN107237781B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2437879Y (en) * | 2000-08-11 | 2001-07-04 | 浙江龙胜电器有限公司 | Scavenger fan with air pressure type automatic shutter mechanism |
| WO2003042544A1 (en) * | 2001-11-14 | 2003-05-22 | Roberto Pericoli | Governor device for actuation of fan shutters |
| EP1359326A1 (en) * | 2002-04-18 | 2003-11-05 | Agratec, S.A. | Centrifugal drive device for automatic opening of fan louvers |
| KR20140011644A (en) * | 2012-07-18 | 2014-01-29 | 주식회사 팬직 | A blower possessing shutters which are operated by wind pressure |
| TWM458471U (en) * | 2012-12-26 | 2013-08-01 | xi-qing Cai | Blower with automatic activation of ventilation door |
| CN205036633U (en) * | 2015-09-29 | 2016-02-17 | 广州市伟森机电科技有限公司 | Fan blade structure with performance is closed to good opening |
| CN205977772U (en) * | 2016-09-03 | 2017-02-22 | 佛山市顺德区艾朗电器有限公司 | Air discharge fan ventilation curtain |
| CN207246122U (en) * | 2017-08-15 | 2018-04-17 | 广州市伟森机电科技有限公司 | A kind of control device for stability of the automatic opening and closing of wind turbine wind-guiding hinge |
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| Publication number | Publication date |
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| CN107237781A (en) | 2017-10-10 |
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