CN210889412U - Corrosion-resistant roof fan - Google Patents
Corrosion-resistant roof fan Download PDFInfo
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- CN210889412U CN210889412U CN201921292641.3U CN201921292641U CN210889412U CN 210889412 U CN210889412 U CN 210889412U CN 201921292641 U CN201921292641 U CN 201921292641U CN 210889412 U CN210889412 U CN 210889412U
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- plate
- roof fan
- hood
- resistant roof
- corrosion resistant
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Abstract
The utility model discloses a corrosion-resistant roof fan, including the base, locate dryer on the base, with dryer complex hood, locate the flabellum in the dryer, be used for connecting the coupling mechanism of hood and dryer and drive the driving piece that the flabellum rotated, the hood is equipped with the air intake, the air intake is equipped with the guard plate, the guard plate evenly is equipped with a plurality of ventilation holes, the guard plate can be dismantled with the hood through guard plate coupling mechanism and be connected; the protective plate is arranged at the air inlet to isolate sundries and dust so as to prevent the sundries from entering the interior of the roof fan, thereby prolonging the service life of the roof fan and improving the safety; and the protection plate is detachably connected with the hood, so that the protection plate is convenient to replace and clean.
Description
Technical Field
The utility model belongs to the technical field of the fan, especially, relate to a corrosion-resistant roof fan.
Background
The roof fan is used for ventilation and exhaust of buildings such as factory buildings, office buildings, hotels, auditoriums, movie theaters and the like. For directing ambient air into the room.
In the roof fan on the market at present, debris are easily from flying into inside the fan through sealing, and the debris that fly into inside the roof fan can be thrown away by the impeller easily, injures personnel like this by a crashing object easily, causes the incident.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome prior art not enough, provide a safe corrosion-resistant roof fan.
In order to achieve the above purpose, the utility model adopts the following technical scheme: a corrosion-resistant roof fan comprises a base, an air duct arranged on the base, an air cap matched with the air duct, fan blades arranged in the air duct, a connecting mechanism used for connecting the air cap and the air duct and a driving piece used for driving the fan blades to rotate, wherein the air cap is provided with an air inlet, the air inlet is provided with a protection plate, the protection plate is uniformly provided with a plurality of ventilation holes, and the protection plate is detachably connected with the air cap through the protection plate connecting mechanism; the protective plate is arranged at the air inlet to isolate sundries and dust so as to prevent the sundries from entering the interior of the roof fan, thereby prolonging the service life of the roof fan and improving the safety; and the protection plate is detachably connected with the hood, so that the protection plate is convenient to replace and clean.
Preferably, the protection plate comprises a first ring plate and a second ring plate detachably connected with the first ring plate, and the first ring plate and the second ring plate are both semicircular and can be combined into a circular ring; when changing the guard plate, only need to take out first crown plate and the separation of second crown plate, need not to dismantle the hood, it is convenient to dismantle, is convenient for clear up and change the guard plate.
Preferably, the protection plate connecting mechanism comprises a clamping plate for clamping a protection plate, a fixed sleeve arranged on the hood, an ejector rod arranged in the fixed sleeve, a first elastic piece arranged in the fixed sleeve and a pull rod arranged on the ejector rod, the clamping plate is provided with an insertion hole matched with the ejector rod, one end of the first elastic piece is fixedly connected to the ejector rod, and the other end of the first elastic piece is fixedly connected to the fixed sleeve; when the protection plate is installed, the first ring plate and the second ring plate combined annular protection plate are sleeved on the air duct, then the protection plate is moved upwards, the clamping plate extrudes the ejector rod to enter the fixed sleeve, and when the ejector rod is aligned to the jack, the first elastic part pushes the ejector rod to enter the jack, so that the protection plate is fixedly installed, and the installation is simple and convenient; when dismantling the guard plate, the pulling pull rod makes the ejector pin break away from in the jack, and the guard plate will follow dryer outer wall lapse and deviate from the air intake under breeding the gravity drive, then can accomplish the dismantlement with first crown plate and the separation of second backplate.
Preferably, the clamping plate is provided with a mounting groove matched with the protection plate, and a plurality of second elastic pieces are arranged in the mounting groove; the roof fan is at the working process, and the guard plate will be blown to wind-force, and under the elasticity of second elastic component is supplementary, will rock from top to bottom to shake off the debris in guard plate surface and the ventilation hole, guarantee the ventilation effect of guard plate.
Preferably, an arc-shaped bent plate is arranged at the upper end of the second elastic part; when the protection plate is inserted into the mounting groove, the second elastic piece is pressed downwards through the arc-shaped bent plate, so that the protection plate can be conveniently inserted into the mounting groove.
Preferably, the connecting mechanism comprises a fixing plate arranged at the upper end of the air duct, a screw rod arranged on the fixing plate and a screw cap arranged on the pull rod; the height of the hood can be changed by turning the nut.
Preferably, the first annular plate is provided with an inserting plate, and the second annular plate is provided with a slot matched with the inserting plate; the first ring plate and the second ring plate are convenient to combine and disassemble.
Preferably, the end part of the ejector rod is provided with a ball, and the clamping plate is provided with an arc-shaped guide surface matched with the ball; the ejector rod is conveniently extruded by the clamping plate to enter the fixing sleeve, so that the clamping plate is prevented from directly colliding with the end part of the ejector rod.
Preferably, the outer wall of the air duct is provided with a limiting plate, and the protection plate is provided with a limiting groove for the limiting plate to pass through; the ejector rod and the jack are conveniently aligned.
In conclusion, the protection plate is arranged at the air inlet to isolate sundries from dust so as to prevent the sundries from entering the interior of the roof fan, so that the service life of the roof fan can be prolonged, and the safety is improved; and the protection plate is detachably connected with the hood, so that the protection plate is convenient to replace and clean.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a cross-sectional view of the present invention.
Fig. 3 is an enlarged view of fig. 2 at a.
Fig. 4 is a schematic structural view of the guard plate.
Detailed Description
As shown in fig. 1-4, a corrosion-resistant roof fan comprises a base 1, an air duct 2, a hood 3, fan blades 4, a connecting mechanism, a driving member 5, a fixing plate 11, a screw 12, a nut 13, a protection plate 6 and a protection plate connecting mechanism, wherein the base 1 is used for fixing the air duct; the air duct 2 is made of glass fiber reinforced plastic and is fixed on the base 1; the fixing plate 11 is fixed at the top end of the air duct and is provided with a circular hole; the screw 12 is a conventional metal screw, the upper end of the screw is fixed on the blast cap, and the lower end of the screw passes through a round hole of the fixing plate; the nut 13 is screwed on the screw rod, and the height of the hood can be changed by rotating the nut; the blast cap 3 is fixed at the upper end of the screw rod, and the bottom of the blast cap is provided with an air inlet; the driving piece 5 adopts a conventional motor which is fixed in the air duct; the fan blade 4 is a conventional centrifugal impeller fixed on the output shaft of the driving part.
Specifically, the protection plate 6 comprises a first annular plate 61, a second annular plate 62, an inserting plate 63 and inserting slots, the first annular plate 61 and the second annular plate 62 are both in the same semicircular shape, are provided with air vents and can be just spliced into a circular shape, when the protection plate is replaced, the first annular plate and the second annular plate can be taken out only by separating, the air cap is not required to be detached, the disassembly is convenient, and the protection plate is convenient to clean and replace; the inserting plates 63 are fixed at two ends of the first annular plate; the slots are formed in two ends of the second annular plate, and the inserting plates 63 can be inserted into the slots, so that the first annular plate and the second annular plate can be combined and detached conveniently.
Preferably, the protection plate connecting mechanism comprises a clamping plate 7, a fixing sleeve 71, a push rod 72, a first elastic piece 73, a pull rod 74, a jack 75, a mounting groove 76, a second elastic piece 77, an arc-shaped bending plate 78, a ball 79, a limiting plate 8 and a limiting groove 81; the clamping plate 7 consists of two semicircular rings; the fixed sleeve 71 is fixed on the blast cap; the ejector rod 72 is arranged in the fixed sleeve and can slide relative to the inner wall of the fixed sleeve; the first elastic member 73 is a conventional spring, one end of which is fixed on the end of the ejector rod, and the other end of which is fixed on the top of the fixed sleeve; the jack 75 is arranged on the clamping plate and can be used for inserting the ejector rod; one end of the pull rod 74 is fixed on the end part of the ejector rod, the other end of the pull rod extends out of the fixed sleeve, when the protection plate is installed, the first ring plate and the second ring plate combined annular protection plate are sleeved on the air duct, then the protection plate is moved upwards, the ejector rod is extruded by the clamping plate to enter the fixed sleeve, and when the ejector rod is aligned to the jack, the first elastic part pushes the ejector rod to enter the jack, so that the protection plate is fixedly installed, and the installation is simple and convenient; when the protection plate is disassembled, the pull rod is pulled to separate the ejector rod from the jack, the protection plate slides downwards along the outer wall of the air duct under the driving of breeding gravity to be separated from the air inlet, and then the first ring plate and the second protection plate are separated to complete the disassembly; the mounting groove 76 is formed in the clamping plate; the second elastic member 77 is a conventional spring, which is uniformly arranged in the mounting groove, and the lower end thereof is fixed in the mounting groove; during the working process of the roof fan, the protective plate is blown by wind power and shakes up and down under the assistance of the elastic force of the second elastic piece, so that sundries on the surface of the protective plate and in the ventilation holes are shaken off, and the ventilation effect of the protective plate is ensured; the arc-shaped bending plate 78 is bent downwards in an arc shape, has the same number as the second elastic piece, and is fixed at the upper end of the second elastic piece; when the protection plate is inserted into the mounting groove, the second elastic piece is pressed downwards through the arc-shaped bent plate, so that the protection plate can be conveniently inserted into the mounting groove; the ball 79 is a conventional ball which is rotatably connected to the end part of the ejector rod, and the top surface of the clamping plate is provided with an arc-shaped guide surface 70; the clamping plate can conveniently extrude the ejector rod to enter the fixed sleeve, so that the clamping plate is prevented from directly colliding with the end part of the ejector rod; the limiting plate 8 is fixed on the outer wall of the air duct; the limiting groove 81 is formed in the protection plate and can be used for inserting the limiting plate, and the ejector rod and the jack can be aligned conveniently.
Claims (9)
1. The utility model provides a corrosion-resistant roof fan, includes base (1), locates dryer (2) on base (1), with dryer (2) complex hood (3), locate flabellum (4) in dryer (2), coupling mechanism and the drive that is used for connecting hood and dryer the flabellum pivoted driving piece (5), the hood is equipped with air intake, its characterized in that: the air intake is equipped with guard plate (6), the guard plate evenly is equipped with a plurality of ventilation holes, the guard plate passes through guard plate coupling mechanism and can dismantle with the hood and be connected.
2. A corrosion resistant roof fan according to claim 1, wherein: the protection plate (6) comprises a first ring plate (61) and a second ring plate (62) detachably connected with the first ring plate (61), and the first ring plate and the second ring plate are both in a semicircular shape and can be combined into a circular ring.
3. A corrosion resistant roof fan according to claim 1, wherein: guard plate coupling mechanism is including grip block (7) that is used for the centre gripping guard plate, locates fixed sleeve (71) on hood (3), locate ejector pin (72) in fixed sleeve (71), locate first elastic component (73) in fixed sleeve (71) and locate pull rod (74) on ejector pin (72), grip block (7) be equipped with ejector pin complex jack (75), first elastic component one end links firmly on the ejector pin, and the other end links firmly on fixed sleeve.
4. A corrosion resistant roof fan according to claim 3, wherein: the clamping plate (7) is provided with a mounting groove (76) matched with the protection plate (6), and a plurality of second elastic pieces (77) are arranged in the mounting groove (76).
5. A corrosion resistant roof fan according to claim 4, wherein: an arc-shaped bent plate (78) is arranged at the upper end of the second elastic piece (77).
6. A corrosion resistant roof fan according to claim 1, wherein: the connecting mechanism comprises a fixing plate (11) arranged at the upper end of the air duct (2), a screw rod (12) arranged on the fixing plate (11) and a screw cap (13) arranged on the screw rod.
7. A corrosion resistant roof fan according to claim 2, wherein: the first annular plate (61) is provided with an inserting plate (63), and the second annular plate is provided with a slot matched with the inserting plate.
8. A corrosion resistant roof fan according to claim 3, wherein: the end part of the ejector rod (72) is provided with a ball (79), and the clamping plate (7) is provided with an arc-shaped guide surface (70) matched with the ball (79).
9. A corrosion resistant roof fan according to claim 1, wherein: and a limiting plate (8) is arranged on the outer wall of the air duct, and the protective plate is provided with a limiting groove (81) for the limiting plate to pass through.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921292641.3U CN210889412U (en) | 2019-08-09 | 2019-08-09 | Corrosion-resistant roof fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921292641.3U CN210889412U (en) | 2019-08-09 | 2019-08-09 | Corrosion-resistant roof fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210889412U true CN210889412U (en) | 2020-06-30 |
Family
ID=71331722
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921292641.3U Active CN210889412U (en) | 2019-08-09 | 2019-08-09 | Corrosion-resistant roof fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210889412U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377459A (en) * | 2020-11-16 | 2021-02-19 | 江苏双菊风机有限公司 | Roof fan |
| CN112503009A (en) * | 2020-11-19 | 2021-03-16 | 浙江上风高科专风实业股份有限公司 | Lightweight, efficient, energy-saving and explosion-proof roof fan system for steam turbine room of nuclear power plant |
| CN112524070A (en) * | 2020-11-24 | 2021-03-19 | 浙江上风高科专风实业股份有限公司 | Can piece together roof fan hood structure of tearing open fast |
-
2019
- 2019-08-09 CN CN201921292641.3U patent/CN210889412U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112377459A (en) * | 2020-11-16 | 2021-02-19 | 江苏双菊风机有限公司 | Roof fan |
| CN112503009A (en) * | 2020-11-19 | 2021-03-16 | 浙江上风高科专风实业股份有限公司 | Lightweight, efficient, energy-saving and explosion-proof roof fan system for steam turbine room of nuclear power plant |
| CN112524070A (en) * | 2020-11-24 | 2021-03-19 | 浙江上风高科专风实业股份有限公司 | Can piece together roof fan hood structure of tearing open fast |
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