CN212362338U - Novel roof fan - Google Patents
Novel roof fan Download PDFInfo
- Publication number
- CN212362338U CN212362338U CN202021045347.5U CN202021045347U CN212362338U CN 212362338 U CN212362338 U CN 212362338U CN 202021045347 U CN202021045347 U CN 202021045347U CN 212362338 U CN212362338 U CN 212362338U
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- base
- hood
- roof fan
- wind
- fan
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Abstract
The utility model discloses a novel roof fan aims at solving the hood height unadjustable, influences roof fan work efficiency's under the different situation problem. The key points of the technical scheme are as follows: the wind-driven fan comprises a base, wherein a wind barrel is fixedly connected to the base, a wind cap is arranged above the wind barrel, a lifting device used for lifting the wind cap is arranged between the base and the wind cap, the lifting device comprises a plurality of nut seats and a driving rod, the base is connected with a plurality of lead screws distributed in an annular array mode along circumferential rotation, the nut seats are sleeved on the lead screws, one end of the driving rod is fixedly connected with one side, close to the wind cap, of the nut seat, and the other end of the driving rod is connected with one side, close to the wind barrel, of the wind cap. The utility model discloses a novel roof fan can adjust the height of hood, makes roof fan can improve the efficiency of fan under good weather condition, can prevent that sleet from getting into the dryer when sleet weather.
Description
Technical Field
The utility model relates to a ventilation equipment, more specifically say, it relates to a novel roof fan.
Background
The existing roof fans are various, axial flow fans and centrifugal fans, the existing centrifugal roof fans are made of various materials such as aluminum and glass fiber reinforced plastics, the aluminum fans are generally motors fixed in wind hoods, the wind hoods are directly fixed on wind cylinders, and the wind hoods are not communicated with the wind cylinders, so that the heat of the motors is difficult to discharge, and the heat dissipation effect is limited.
In order to solve the problems, an aluminum alloy roof fan disclosed in chinese patent publication No. CN204984982U includes an aluminum hood, an aluminum air duct, an aluminum base, and a motor, where the aluminum hood is cylindrical, the aluminum hood is fixedly connected to the aluminum air duct, the motor is fixed to a connection top plate fixed to the top of the aluminum air duct, a rotation shaft of the motor vertically penetrates downward to connect the top plate, an impeller is fixed to the rotation shaft of the motor, the impeller is in the aluminum air duct, the motor is in the aluminum hood, the top of the aluminum air duct is fixed to an upper end plate of the aluminum base through a connection rod, the middle of the aluminum base is provided with an extending cylinder portion extending upward, the diameter of the extending cylinder portion is gradually reduced from bottom to top, the cross section of the side wall of the extending cylinder portion is arc-shaped, and the top end of the extending cylinder portion extends.
Above-mentioned scheme adopts full aluminium material, light in weight is difficult to ageing, and simultaneously, its protecting wire net dismantles simple to operate, is equipped with the venthole on its hood moreover, is equipped with the through-hole on the connection roof, makes things convenient for the motor heat dissipation. But the hood among the above-mentioned scheme is fixed on the dryer, and the amount of wind that roof fan upper portion can hold like this is fixed, leads to the air output unable regulation, in case the inside wind pressure of rain-proof cap is too big, leads to the wind in the tuber pipe very easily to get rid of, and leads to in sleet enters into the dryer again easily when rainy day.
SUMMERY OF THE UTILITY MODEL
Not enough to prior art exists, the utility model aims to provide a novel roof fan realizes the height-adjustable of hood through setting up the elevating gear who is used for going up and down the hood, reaches the purpose that improves roof fan work efficiency.
The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a novel roof fan, the on-line screen storage device comprises a base, fixedly connected with dryer on the base, the dryer top is provided with the hood, be provided with the elevating gear who is used for going up and down the hood between base and the hood, elevating gear is including a plurality of nut seats and drive rod, the base is connected with the lead screw that a plurality of annular array distribute along dryer circumferential direction, the nut seat cover is established on the lead screw, the one end of drive rod is close to one side fixed connection of hood with the nut seat, the other end of drive rod is rotated with one side that the hood is close to the dryer and is connected.
Through adopting above-mentioned technical scheme, can heighten the height of hood when weather is clear, rotate the lead screw this moment, the lead screw just can drive the nut seat rebound that the cover was established on the lead screw after rotatory, nut seat rebound just can drive rather than fixed connection's drive pole rebound after just can driving, it just can drive the hood rebound to drive the pole, the height of hood will be raised, can keep the inside fan of dryer to air exhaust smoothly, the efficiency of airing exhaust of fan has been improved, when meetting sleet weather, the lead screw is rotated to the opposite direction, the lead screw just can drive nut seat and drive the pole rebound, it will drive the hood rebound to drive the pole, can prevent effectively like this that sleet from getting into in the dryer, make the roof fan can satisfy the user demand under the different weather conditions, adjust the volume of airing exhaust of roof fan.
The utility model discloses further set up to: the lead screw is close to the one end fixedly connected with dwang of base, be provided with the motor on the base, the output shaft of dwang and motor.
Through adopting above-mentioned technical scheme, when needing to rotate the lead screw, starter motor, the motor just can drive the dwang rotatory, just can drive the lead screw after the dwang is rotatory and rotate, makes the rotation of lead screw more convenient.
The utility model discloses further set up to: a plurality of all overlap on the dwang and be equipped with the synchronizing wheel, it is a plurality of connect through synchronous belt drive between the synchronizing wheel.
Through adopting above-mentioned technical scheme, the rotatory in-process of dwang can drive the synchronizing wheel rotation that the cover was established on the dwang, can drive the hold-in range after the synchronizing wheel is rotatory and carry out the transmission, makes the rotation between each lead screw more synchronous and stable.
The utility model discloses further set up to: the nut seat is provided with a plurality of nut seats, the nut seats are fixedly connected with the base through a plurality of nuts, a plurality of limiting rods are arranged on the base, one end of each limiting rod is fixedly connected with the corresponding nut seat, the limiting rods correspond to the nut seats in a one-to-one mode, and limiting grooves for the limiting rods to penetrate through are formed in the nut seats.
Through adopting above-mentioned technical scheme, at the in-process that the nut seat produced the removal along with the rotation of lead screw, the gag lever post can wear to establish all the time in the spacing groove, and the nut seat can remove along the gag lever post, prevents that the nut seat can produce the rotation along with the lead screw, makes the removal of nut seat more stable.
The utility model discloses further set up to: the inner wall of the limiting groove is provided with a plurality of universal balls distributed in an array mode, and the universal balls are attached to the surface of the limiting rod.
Through adopting above-mentioned technical scheme, at the in-process that the nut seat removed along the gag lever post, universal ball can roll along the surface of gag lever post, has reduced the friction between gag lever post and the spacing groove, makes the removal of nut seat more smooth and easy.
The utility model discloses further set up to: the motor is provided with a band-type brake and is connected with a reversing switch.
Through adopting above-mentioned technical scheme, the band-type brake can realize the auto-lock after the motor is closed, prevents that the motor from producing rotatoryly by oneself under the effect of external force, and the switch of reversing one's direction can make the motor realize just reversing.
The utility model discloses further set up to: the hood is of a semicircular structure.
Through adopting above-mentioned technical scheme, prevent that sleet can pile up at the up end of hood.
To sum up, the utility model discloses following beneficial effect has:
can heighten the height of hood when weather is clear, rotate the lead screw this moment, the lead screw just can drive the nut seat rebound that the cover was established on the lead screw after rotatory, nut seat rebound just can drive rather than fixed connection's drive pole rebound after the rebound, the drive pole just can drive the hood rebound, the height of hood will be raised, can keep the inside fan of dryer smooth and easy to air exhaust, the efficiency of airing exhaust of fan has been improved, when meetting sleet weather, the lead screw is rotated to the opposite direction, the lead screw just can drive nut seat and drive the pole rebound, the drive pole will drive the hood rebound, can prevent effectively like this that sleet from getting into in the dryer, make the roof fan can satisfy the user demand under the different weather conditions.
Drawings
Fig. 1 is a schematic structural diagram of the present invention, showing structural features of the roof fan.
In the figure: 1. a base; 2. an air duct; 3. a hood; 4. a lifting device; 5. a nut seat; 6. driving the rod; 7. a screw rod; 8. rotating the rod; 9. a synchronizing wheel; 10. a synchronous belt; 11. a limiting rod.
Detailed Description
In order to make the technical solutions of the present invention better understood, the following detailed description of the present invention is provided with reference to the accompanying drawings and specific embodiments, and it should be noted that the embodiments and features of the embodiments of the present invention can be combined with each other without conflict.
In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "set/connected", "connected", and the like are to be interpreted broadly, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The present invention will be described in detail with reference to the accompanying drawings and examples.
The utility model provides a novel roof fan, as shown in figure 1, including base 1, welded fastening has dryer 2 on the base 1, dryer 2 top is equipped with hood 3, hood 3 is semi-circular structure, be equipped with the elevating gear 4 that is used for lift hood 3 between base 1 and the hood 3, elevating gear 4 is including a plurality of nut seat 5 and drive pole 6, base 1 is connected with lead screw 7 that a plurality of annular array distribute along 2 circumferential direction of dryer, 5 covers of nut seat are established on lead screw 7, one end and the nut seat 5 of drive pole 6 are close to one side welded fastening of hood 3, the other end that drives pole 6 rotates with one side that hood 3 is close to dryer 2 and is connected.
Be equipped with a plurality of one end rather than welded fastening's gag lever post 11 on the base 1, a plurality of gag lever posts 11 and a plurality of nut seat 5 positions one-to-one are equipped with the spacing groove that supplies gag lever post 11 to pass on the nut seat 5, are equipped with the universal ball of a plurality of array distributions on the inner wall of spacing groove, the surface laminating of universal ball and gag lever post 11.
The height of the wind cap 3 can be increased in sunny weather, at the moment, the rotating rod 8 is driven to rotate by the motor, the screw rod 7 can be driven to rotate after the rotating rod 8 rotates, the nut seat 5 sleeved on the screw rod 7 can be driven to move upwards after the screw rod 7 rotates, the driving rod 6 can be driven to move upwards after the nut seat 5 moves upwards, the wind cap 3 can be driven to move upwards by driving the rod 6, and the height of the wind cap 3 can be increased, can keep the air exhaust of the fan in the air duct 2 smooth, improve the air exhaust efficiency of the fan, and when meeting the weather of rain and snow, the rotating rod 8 is driven by the motor to rotate in the opposite direction, the rotating rod 8 can drive the screw rod 7 to rotate in the opposite direction, the screw rod 7 can drive the nut seat 5 and the driving rod 6 to move downwards, the driving rod 6 can drive the wind cap 3 to move downwards, can prevent effectively like this that sleet from getting into dryer 2 in, make roof fan can satisfy the user demand under the different weather conditions.
Simultaneously, the rotatory in-process of dwang 8 can drive the synchronizing wheel 9 of cover on dwang 8 rotatory, synchronizing wheel 9 can drive hold-in range 10 after rotatory and carry out the transmission, make the rotation between each lead screw 7 more synchronous and stable, at the in-process that nut seat 5 removed along with the rotatory production of lead screw 7, gag lever post 11 can wear to establish in the spacing groove all the time, nut seat 5 can remove along gag lever post 11, prevent that nut seat 5 from producing rotatoryly along with lead screw 7, make nut seat 5's removal more stable.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a novel roof fan, includes base (1), fixedly connected with dryer (2) on base (1), dryer (2) top is provided with hood (3), be provided with elevating gear (4) that are used for lift hood (3) between base (1) and hood (3), its characterized in that: elevating gear (4) are including a plurality of nut seats (5) and drive pole (6), base (1) is connected with lead screw (7) that a plurality of annular array distribute along dryer (2) circumferential direction, nut seat (5) cover is established on lead screw (7), the one end of drive pole (6) is close to one side fixed connection of hood (3) with nut seat (5), the other end of drive pole (6) is rotated with one side that hood (3) are close to dryer (2) and is connected.
2. The novel roof fan of claim 1, characterized in that: lead screw (7) are close to one end fixedly connected with dwang (8) of base (1), be provided with the motor on base (1), dwang (8) and the output shaft of motor.
3. The novel roof fan of claim 2, characterized in that: a plurality of all overlap on dwang (8) and be equipped with synchronizing wheel (9), a plurality of connect through hold-in range (10) transmission between synchronizing wheel (9).
4. The novel roof fan of claim 1, characterized in that: the nut seat is characterized in that a plurality of limiting rods (11) with one ends fixedly connected with the base (1) are arranged on the base (1), the limiting rods (11) are in one-to-one correspondence with the nut seats (5), and limiting grooves for the limiting rods (11) to penetrate are formed in the nut seats (5).
5. The novel roof fan of claim 4, characterized in that: the inner wall of the limiting groove is provided with a plurality of universal balls distributed in an array mode, and the universal balls are attached to the surface of the limiting rod (11).
6. The novel roof fan of claim 2, characterized in that: the motor is provided with a band-type brake and is connected with a reversing switch.
7. The novel roof fan of claim 1, characterized in that: the hood (3) is of a semicircular structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021045347.5U CN212362338U (en) | 2020-06-09 | 2020-06-09 | Novel roof fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021045347.5U CN212362338U (en) | 2020-06-09 | 2020-06-09 | Novel roof fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212362338U true CN212362338U (en) | 2021-01-15 |
Family
ID=74153448
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021045347.5U Active CN212362338U (en) | 2020-06-09 | 2020-06-09 | Novel roof fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212362338U (en) |
-
2020
- 2020-06-09 CN CN202021045347.5U patent/CN212362338U/en active Active
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