CN213064073U - Mechanical transmission's husky axial fan that prevents wind keeps off dirt lid - Google Patents
Mechanical transmission's husky axial fan that prevents wind keeps off dirt lid Download PDFInfo
- Publication number
- CN213064073U CN213064073U CN202021090824.XU CN202021090824U CN213064073U CN 213064073 U CN213064073 U CN 213064073U CN 202021090824 U CN202021090824 U CN 202021090824U CN 213064073 U CN213064073 U CN 213064073U
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- cover plate
- dust
- transmission shaft
- movable
- movable cover
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Abstract
The utility model relates to an axial fan prevents wind husky field, concretely relates to mechanical transmission prevents wind husky axial fan dust-retaining cover. The dust-blocking cover comprises a dust-blocking cover shell and a dust-blocking cover plate, wherein the dust-blocking cover plate consists of a fixed cover plate and a sectional type movable cover plate, the fixed cover plate and the movable cover plate are both arranged on one side of the dust-blocking cover shell, which is far away from the axial flow fan, and two ends of a rotating shaft of the movable cover plate are rotatably connected with the dust-blocking cover shell, so that the movable cover plate can perform single-shaft rotation around the rotating shaft; the movable cover plates are perpendicular to a transmission shaft of the transmission device, the middle of each movable cover plate is movably connected with the transmission shaft, and all the movable cover plates form a synchronous movable body. The utility model can control the opening and closing of the dust-blocking cover at any time by means of mechanical transmission, and is suitable for various weather conditions; rely on mechanical transmission, also can make the dust-proof lid closed when needs keep off dirt closely, can not lead to the cover plate to open because of blowing of natural wind, influence prevent wind husky effect.
Description
Technical Field
The utility model relates to an axial fan prevents wind husky field, concretely relates to mechanical transmission's axial fan keeps off dirt lid.
Background
The axial flow fan is mainly used for indoor heat dissipation and ventilation and accident smoke discharge of GIS chambers, main transformer chambers, capacitor chambers, switch chambers, storage battery chambers and the like, and is used for ensuring safe and stable operation of indoor electrical equipment. In bad weather, substances such as wind, sand, rain and snow easily flow into the room from the opening of the axial flow fan under the condition that the axial flow fan is not started, and the safe operation of the electrical equipment is influenced.
Patent CN201218240Y provides a circular axial fan shutter of pnematic, opens the window leaf with axial fan's wind-force, closes to block the sand blown by the wind with the gravity of window leaf self, though has the sand blown by the wind effect to a certain extent, but opening of window leaf only relies on wind-force to be difficult to whole opening, and gravity is closed also difficult inseparable, when the outer wall of axial fan installation was returned to natural wind, lifts the window leaf more easily and pours into the sand blown by the wind, influences the result of use.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem that exists among the prior art, the utility model provides a mechanical transmission prevent wind husky axial fan and keep off dirt lid.
The invention adopts the following technical scheme:
the dust cover plate consists of a fixed cover plate and a sectional type movable cover plate, the fixed cover plate and the movable cover plate are both arranged on one side of the dust cover shell, which is far away from the axial flow fan, and two ends of a rotating shaft of the movable cover plate are rotatably connected with the dust cover shell, so that the movable cover plate can perform single-shaft rotation around the rotating shaft; the movable cover plates are perpendicular to a transmission shaft of the transmission device, the middle of each movable cover plate is movably connected with the transmission shaft, and all the movable cover plates form a synchronous movable body.
Preferably, the fixed cover plate comprises a large cover plate and a small cover plate, the large cover plate is respectively arranged at two ends of the transmission shaft close to the dust cover shell, and the small cover plate is arranged at a gap between two sides of the free end of the movable cover plate and the inner wall of the dust cover shell when the free end of the movable cover plate is freely opened as required and does not interfere with the inner wall of the dust cover shell and the movable cover plate is closed; the large cover plate, the small cover plate and the movable cover plate are matched to form dust blocking seal for the axial flow fan.
Preferably, the transmission device comprises a transmission shaft, a control module and a power module, the transmission shaft is of a telescopic pipe structure, is electrically connected with the control module and controls the rotation shaft to stretch and retract under the control of the control module, and the control module is electrically connected with the power module to obtain power.
Preferably, the telescopic pipe structure of the transmission shaft is a telescopic sleeve, one end of the transmission shaft, which is connected with the dust cover shell, is an inner pipe, the other end of the transmission shaft is an outer pipe, a connecting through hole is formed at the overlapping part of the outer pipe and the inner pipe, the connecting through hole is axially formed along the transmission shaft and has a certain length, the limiting rod penetrates through the connecting through hole to connect the inner pipe and the outer pipe, and the limiting rod can axially move along the transmission shaft in the connecting through hole; the middle parts of the rotating shafts of the movable cover plates are movably connected with the outer pipe, and the control module is connected with the end part of the outer pipe and controls the movement of the outer pipe to realize the limited extension and contraction of the transmission shaft.
Preferably, the telescopic pipe structure of the transmission shaft is a hydraulic rod, the middle part of the rotating shaft of the movable cover plate is movably connected with the hydraulic rod, and the hydraulic rod is controlled by the control module to realize the telescopic action.
The beneficial effects of the utility model reside in that:
1. the utility model provides a mechanical transmission prevent wind husky axial fan and keep off dirt lid has advanced automatic prevent wind husky system of flowing backward, relies on mechanical transmission, can control the opening and the closure of keeping off dirt lid at any time, simultaneously, can the accurate control keep off the opening size of dirt lid, select the opening size of full open, half open, closure etc. to adapt to multiple weather conditions; rely on mechanical transmission, also can make the dust-proof lid closed when needs keep off dirt closely, can not lead to the cover plate to open because of blowing of natural wind, influence prevent wind husky effect.
2. The utility model discloses consider that the dust-retaining cover plate is an irregular physique, when the axial flow fan air outlet is circular, when the pivot of activity cover plate is in outside limit, opening of activity cover plate can be obstructed because of pivot length, consequently divides partly to set up to fixed cover plate at the both ends of activity cover plate, can guarantee opening completely of cover plate.
3. The utility model discloses a cover plate setting can not be parallel with ground to install on axial fan air outlet plane at arbitrary angle, complied with when making the cover plate open or confront flourishing wind direction, reach different use purposes.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a side view of the dust-stop cover of the present invention when opened;
FIG. 3 is a schematic view of the structure of the dust-proof cover plate of the present invention;
fig. 4 is a schematic view of the structure and the telescopic state of the transmission shaft of the present invention being a telescopic tube;
fig. 5 is the structure schematic diagram of the utility model when the transmission shaft is a hydraulic rod.
The notations in the figures have the following meanings:
10-dust-proof cover plate 11-fixed cover plate 111-large cover plate 112-small cover plate 12-movable cover plate
121-rotating shaft 122-free end 20-dust cover shell 30-transmission device
31-transmission shaft 32-control module 33-power supply module 41-inner tube 42-outer tube
43-connecting through hole 44-limiting rod 50-hydraulic rod
Detailed Description
In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1, 2 and 4, a mechanical transmission dust-proof axial flow fan dust-blocking cover comprises a dust-blocking cover shell and a dust-blocking cover plate, wherein the dust-blocking cover plate 10 is composed of a fixed cover plate 11 and a sectional type movable cover plate 12, the fixed cover plate 11 and the movable cover plate 12 are both arranged on one side of the dust-blocking cover shell 20 departing from the axial flow fan, and two ends of a rotating shaft 121 of the movable cover plate 12 are rotatably connected with the dust-blocking cover shell 20, so that the movable cover plate 12 can perform single-shaft rotation around the rotating shaft 121; the movable cover plates 12 are arranged vertically to the transmission shaft 31 of the transmission device 30, and the middle part of each movable cover plate 12 is movably connected with the transmission shaft 31, so that a synchronous movable body is formed between all the movable cover plates 12.
The fixed cover plate 11 comprises a large cover plate 111 and a small cover plate 112, the large cover plate 111 is respectively arranged at two ends of the transmission shaft 31 close to the dust cover shell 20, the small cover plate 112 is arranged at a gap between two sides of the free end 122 of the movable cover plate 12 and the inner wall of the dust cover shell 20 when the movable cover plate 12 is closed when the free end 122 of the movable cover plate 12 is freely opened as required and does not interfere with the inner wall of the dust cover shell 20, so that the free end 122 of the movable cover plate 12 is shorter than the rotating shaft of the movable cover plate 12; the large cover plate 111 and the small cover plate 112 are matched with the movable cover plate 12 to form dust blocking seal for the axial flow fan.
The transmission device 30 includes a transmission shaft 31, a control module 32 and a power module 33, the transmission shaft 31 is a telescopic pipe structure, and is electrically connected to the control module 32, the control module 32 controls the telescopic of the transmission shaft 31, and the control module 32 is electrically connected to the power module 33 to obtain power.
The telescopic pipe structure of the transmission shaft 31 is a telescopic pipe, one end of the transmission shaft 31, which is connected with the dust cover shell 20, is an inner pipe 41, the other end is an outer pipe 42, a connecting through hole 43 is formed at the overlapping part of the outer pipe 42 and the inner pipe 41, the connecting through hole 43 is axially formed along the transmission shaft 31 and has a certain length, the limiting rod 44 penetrates through the connecting inner pipe 41 and the outer pipe 42 from the connecting through hole 43, and the connecting through hole 43 axially moves along the transmission shaft 31; the middle parts of the rotating shafts 121 of the movable cover plates 12 are movably connected with the outer tube 42, and the control module 32 is connected with the end part of the outer tube 42 and controls the movement of the outer tube 42 to realize the limited extension and contraction of the transmission shaft 31.
In this embodiment, the air outlet of the axial flow fan is circular, the dust-blocking cover plate 10 is made of thin steel sheets, the movable cover plate 12 is divided by the horizontal central axis of the air outlet at the air outlet of the axial flow fan, 3 pieces are horizontally arranged up and down, the upper end and the lower end are fixed cover plates 11, 3 movable cover plates 12 above the horizontal central axis of the air outlet of the axial flow fan are arranged, because the length of the free end 122 is longer than that of the rotating shaft 121, the movable cover plates can not be completely opened due to the blocking of the dust-blocking cover shell 20 at the rotating shaft when being opened, and therefore, the small cover plates 112 are arranged at the two ends of the three movable cover. The thin steel sheets are connected in series by the telescopic sleeve transmission shaft 31, when the dust-blocking cover plate 10 is opened, the control module 32 controls the outer pipe 42 of the telescopic sleeve to move in the direction away from the inner pipe 41 to drive the thin steel sheets to be opened, when the limiting rod 44 is vertically clamped by the through holes of the inner pipe 41 and the outer pipe 42, the thin steel sheets are in a completely opened state, and at the moment, the thin steel sheets are perpendicular to the air outlet plane of the axial flow fan and are parallel to the air outlet direction, and the axial flow fan can smoothly discharge indoor air outwards; when the dust-blocking cover plate 10 is closed, similarly, the transmission shaft 31 is used for driving the thin steel sheet to close and closing the air outlet, so that the purpose of preventing substances such as outdoor wind, sand, rain, snow and the like from flowing backward into the axial flow fan is achieved.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those skilled in the art that: any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (5)
1. The utility model provides a mechanical transmission prevent wind husky axial fan and keep off dirt lid, includes that the dirt keeps off and covers the shell and keep off the dirt cover plate, its characterized in that: the dust-proof cover plate (10) consists of a fixed cover plate (11) and a sectional type movable cover plate (12), the fixed cover plate (11) and the movable cover plate (12) are both arranged on one side of the dust-proof cover shell (20) departing from the axial flow fan, and two ends of a rotating shaft (121) of the movable cover plate (12) are rotatably connected with the dust-proof cover shell (20) so that the movable cover plate (12) can rotate around the rotating shaft (121) in a single shaft; the movable cover plates (12) are perpendicular to a transmission shaft (31) of the transmission device (30), the middle of each movable cover plate (12) is movably connected with the transmission shaft (31), and all the movable cover plates (12) form a synchronous movable body.
2. The mechanically driven dust and sand prevention axial flow fan dust cover of claim 1, wherein: the fixed cover plate (11) comprises a large cover plate (111) and a small cover plate (112), the large cover plate (111) is respectively arranged at two ends of the transmission shaft (31) close to the dust cover shell (20), and the small cover plate (112) is arranged at a gap between two sides of the free end (122) of the movable cover plate (12) and the inner wall of the dust cover shell (20) when the movable cover plate (12) is closed when the free end (122) of the movable cover plate (12) is freely opened as required and does not interfere with the inner wall of the dust cover shell (20); the large cover plate (111) and the small cover plate (112) are matched with the movable cover plate (12) to form dust blocking seal for the axial flow fan.
3. The mechanically driven dust and sand prevention axial flow fan dust cover of claim 1, wherein: the transmission device (30) comprises a transmission shaft (31), a control module (32) and a power supply module (33); the transmission shaft (31) is of a telescopic pipe structure, is electrically connected with the control module (32) and controls the telescopic of the transmission shaft (31) by the control module (32), and the control module (32) is electrically connected with the power supply module (33) to obtain power.
4. A mechanically driven dust and sand prevention axial flow fan dust cover according to claim 3, wherein: the telescopic pipe structure of the transmission shaft (31) is a telescopic sleeve, one end of the transmission shaft (31) connected with the dust cover shell (20) is an inner pipe (41), the other end of the transmission shaft is an outer pipe (42), a connecting through hole (43) is formed in the overlapping position of the outer pipe (42) and the inner pipe (41), the connecting through hole (43) is axially formed along the transmission shaft (31) and has a certain length, the limiting rod (44) penetrates through the connecting through hole (43) to connect the inner pipe (41) and the outer pipe (42), and the limiting rod (44) can axially move along the transmission shaft (31) in the connecting through hole (43); the middle parts of rotating shafts (121) of the movable cover plates (12) are movably connected with the outer tube (42), and the control module (32) is connected with the end part of the outer tube (42) and controls the movement of the outer tube (42) to realize the limited extension and retraction of the transmission shaft (31).
5. A mechanically driven dust and sand prevention axial flow fan dust cover according to claim 3, wherein: the telescopic tube structure of transmission shaft (31) sets up to hydraulic stem (50), pivot (121) middle part and hydraulic stem (50) swing joint of activity cover plate (12), the hydraulic stem by control module (32) control realizes flexible.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021090824.XU CN213064073U (en) | 2020-06-12 | 2020-06-12 | Mechanical transmission's husky axial fan that prevents wind keeps off dirt lid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021090824.XU CN213064073U (en) | 2020-06-12 | 2020-06-12 | Mechanical transmission's husky axial fan that prevents wind keeps off dirt lid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213064073U true CN213064073U (en) | 2021-04-27 |
Family
ID=75567019
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021090824.XU Expired - Fee Related CN213064073U (en) | 2020-06-12 | 2020-06-12 | Mechanical transmission's husky axial fan that prevents wind keeps off dirt lid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213064073U (en) |
-
2020
- 2020-06-12 CN CN202021090824.XU patent/CN213064073U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20210427 |