CN212840359U - Centrifugal fan lifting device - Google Patents
Centrifugal fan lifting device Download PDFInfo
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- CN212840359U CN212840359U CN202021818922.0U CN202021818922U CN212840359U CN 212840359 U CN212840359 U CN 212840359U CN 202021818922 U CN202021818922 U CN 202021818922U CN 212840359 U CN212840359 U CN 212840359U
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- fixedly connected
- centrifugal fan
- bevel gear
- lifting device
- movable plate
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Abstract
The utility model discloses a centrifugal fan elevating gear relates to elevating gear technical field, to the inconvenient lift of present centrifugal fan, also inconvenient adjustment centrifugal fan's position after rising, the problem that wastes time and energy, now proposes following scheme, including outside support, outside support's top movable sleeve is equipped with the movable plate, the inside movable sleeve of movable plate is equipped with two first bearings, the inside of first bearing is all fixed the cover and is equipped with first screw rod, the equal first bevel gear of fixedly connected with in bottom of first screw rod, two the outside thread bush of first screw rod is equipped with the upper portion fixed plate, two the outside thread bush of first screw rod is equipped with the lower part fixed plate, the bottom fixedly connected with dead lever of movable plate, the fixed cover in inside of dead lever is equipped with drive mechanism. The utility model discloses not only made things convenient for centrifugal fan's automatic rising, still made things convenient for the position adjustment after the lift finishes to increased the practicality, be fit for marketing.
Description
Technical Field
The utility model relates to a elevating gear technical field especially relates to a centrifugal fan elevating gear.
Background
The centrifugal fan accelerates gas by utilizing an impeller rotating at a high speed according to the principle that kinetic energy is converted into potential energy, then decelerates and changes the flow direction, so that the kinetic energy is converted into the potential energy, the centrifugal fan can be made into two types of right-handed rotation and left-handed rotation, and the centrifugal fan is viewed from one side of a motor: the impeller rotates clockwise, and the fan is called a right rotating fan; the impeller rotates anticlockwise and is called a left-rotation fan, the existing centrifugal fan is inconvenient to lift, the position of the centrifugal fan is inconvenient to adjust after the centrifugal fan is lifted, time and labor are wasted, and therefore the centrifugal fan lifting device is provided.
SUMMERY OF THE UTILITY MODEL
The utility model provides a centrifugal fan elevating gear has solved the inconvenient lift of present centrifugal fan, also does not make things convenient for the position of adjustment centrifugal fan behind the rising, the problem that wastes time and energy.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a centrifugal fan elevating gear, includes the outer support, the top activity cover of outer support is equipped with the movable plate, the inside activity cover of movable plate is equipped with two first bearings, the fixed cover of inside of first bearing is all equipped with first screw rod, the first bevel gear of the equal fixedly connected with in bottom of first screw rod, two the outside thread cover of first screw rod is equipped with upper portion fixed plate, two the outside thread cover of first screw rod is equipped with the lower part fixed plate, the bottom fixedly connected with dead lever of movable plate, the fixed cover of inside of dead lever is equipped with drive mechanism, the bottom fixedly connected with fixed plate of dead lever, four universal wheels of bottom fixedly connected with of fixed plate, the left side inner wall fixedly connected with power unit of outer support, power unit's below is equipped with moving mechanism.
Preferably, the transmission mechanism comprises a second bearing fixedly sleeved inside the fixing rod, a rotating shaft is fixedly sleeved inside the second bearing, two second bevel gears are fixedly connected to two ends of the rotating shaft, and the two second bevel gears are in meshing transmission with the two first bevel gears.
Preferably, the power mechanism comprises a push rod motor fixedly connected with the inner wall of the left side of the external support, an output shaft of the push rod motor is fixedly connected with a double-shaft motor, a third bevel gear is fixedly connected to the top end of the double-shaft motor, the third bevel gear is in meshing transmission with the second bevel gear located on the left side, and an output shaft at the bottom end of the double-shaft motor is fixedly connected with a fourth bevel gear.
Preferably, the moving mechanism comprises a third bearing fixedly connected with the inner wall of the right side of the external support, a second screw is fixedly sleeved inside the third bearing, a fifth bevel gear is fixedly connected with the left end of the second screw, and the fifth bevel gear is in meshing transmission with the fourth bevel gear.
Preferably, the inner wall of the left side of the external support is fixedly connected with a guide rod, a guide hole is formed in the fixed rod, the guide rod penetrates through the guide hole, a threaded hole is formed in the fixed rod, and the second screw rod is sleeved in the threaded hole in a threaded manner.
Preferably, the first screw rod is connected with the first bevel gear through a bolt, and the top ends of the first bearings are fixedly connected with springs.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an installation department support, the movable plate, first screw rod, the upper portion fixed plate, the lower part fixed plate, the universal wheel, drive mechanism, power unit and moving mechanism, wherein the fixed cover in inside of dead lever is equipped with drive mechanism, the left side inner wall fixedly connected with power unit of outside support, power unit's below is equipped with moving mechanism, thereby centrifugal fan's automatic rising and position adjustment have been accomplished, the device is novel in design, and easy operation, centrifugal fan's automatic rising has not only been made things convenient for, still made things convenient for the position adjustment after the lift finishes, thereby the practicality has been increased, and the device is suitable for marketing.
Drawings
Fig. 1 is a schematic front view of a centrifugal fan lifting device provided by the present invention;
fig. 2 is the utility model provides a centrifugal fan elevating gear's operating condition orthographic view structure schematic diagram.
In the figure: the device comprises an external bracket 1, a moving plate 2, a first screw rod 3, a first bevel gear 4, an upper fixing plate 5, a lower fixing plate 6, a fixing rod 7, a fixing plate 8, a universal wheel 9, a rotating shaft 10, a second bevel gear 11, a push rod motor 12, a double-shaft motor 13, a third bevel gear 14, a second screw rod 15, a fourth bevel gear 16, a guide rod 17 and a fifth bevel gear 18.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-2, a centrifugal fan lifting device, including external support 1, the top movable sleeve of external support 1 is equipped with movable plate 2, the inside movable sleeve of movable plate 2 is equipped with two first bearings, the inside of first bearing is all fixed and is equipped with first screw 3, the equal fixedly connected with first bevel gear 4 in bottom of first screw 3, the outside thread cover of two first screws 3 is equipped with upper portion fixed plate 5, the outside thread cover of two first screws 3 is equipped with lower part fixed plate 6, the bottom fixedly connected with dead lever 7 of movable plate 2, the inside fixed sleeve of dead lever 7 is equipped with drive mechanism, the bottom fixedly connected with fixed plate 8 of dead lever 7, four universal wheels 9 of the bottom fixedly connected with of fixed plate 8, the left side inner wall fixedly connected with power unit of external support 1, the below of power unit is equipped with moving.
In this embodiment, the transmission mechanism includes that the fixed cover establishes the second bearing inside dead lever 7, and the fixed cover in inside of second bearing is equipped with pivot 10, and the both ends of pivot 10 are all fixedly connected with second bevel gear 11, and two second bevel gears 11 and two first bevel gear 4 meshing transmission.
In this embodiment, the power mechanism includes a push rod motor 12 fixedly connected to the inner wall of the left side of the outer bracket 1, a double-shaft motor 13 is fixedly connected to an output shaft of the push rod motor 12, a third bevel gear 14 is fixedly connected to the top end of the double-shaft motor 13, the third bevel gear 14 is in meshing transmission with the second bevel gear 11 located on the left side, and a fourth bevel gear 16 is fixedly connected to an output shaft at the bottom end of the double-shaft motor 13.
In this embodiment, the moving mechanism includes a third bearing fixedly connected to the right inner wall of the outer bracket 1, a second screw 15 is fixedly sleeved inside the third bearing, a fifth bevel gear 18 is fixedly connected to the left end of the second screw 15, and the fifth bevel gear 18 is in meshing transmission with the fourth bevel gear 16.
In this embodiment, the left inner wall of the outer bracket 1 is fixedly connected with the guide rod 17, the guide hole is provided in the fixing rod 7, the guide rod 17 penetrates through the guide hole, the threaded hole is provided in the fixing rod 7, and the second screw 15 is threaded in the threaded hole.
In this embodiment, the first screw 3 is connected to the first bevel gear 4 by a bolt, and the top end of the first bearing is fixedly connected to a spring.
The working principle is that firstly, a centrifugal fan is placed on a lower fixing plate 6, then a double-shaft motor 13 is started, a top output shaft of the double-shaft motor 13 drives a second bevel gear 11 to be meshed with a first bevel gear 4 for transmission, so as to drive two first screw rods 3 to rotate, the first screw rods 3 drive an upper fixing plate 5 to move downwards, the upper fixing plate 5 and the lower fixing plate 6 act together to fix the centrifugal fan, then the double-shaft motor 13 rotates reversely, a top output shaft of the double-shaft motor 13 drives a second bevel gear 11 to be meshed with the first bevel gear 4 for transmission, so as to drive two first screw rods 3 to rotate reversely, the first screw rods 3 drive the upper fixing plate 5 and the lower fixing plate 6 and the fixed centrifugal fan to move upwards together, after reaching a specified height, a push rod motor 12 contracts, an output shaft of the push rod motor 12 drives the double-shaft motor 13 to move leftwards, a bottom output shaft of the double, thereby drive second screw rod 15 and rotate, second screw rod 15 drives dead lever 7 and moves right, and dead lever 7 drives the structure of connecting to and the fan moves right, thereby removes about the completion, and this device has not only made things convenient for centrifugal fan's automatic rising, has still made things convenient for the position control after the lift finishes, thereby has increased the practicality, is fit for marketing.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A centrifugal fan lifting device comprises an external support (1) and is characterized in that a movable plate (2) is movably sleeved at the top of the external support (1), two first bearings are movably sleeved in the internal part of the movable plate (2), first screws (3) are fixedly sleeved in the first bearings, first bevel gears (4) are fixedly connected to the bottoms of the first screws (3), upper fixing plates (5) are sleeved on the external threads of the two first screws (3), lower fixing plates (6) are sleeved on the external threads of the two first screws (3), a fixing rod (7) is fixedly connected to the bottom of the movable plate (2), a transmission mechanism is fixedly sleeved in the internal part of the fixing rod (7), a fixing plate (8) is fixedly connected to the bottom of the fixing rod (7), and four universal wheels (9) are fixedly connected to the bottom of the fixing plate (8), and a power mechanism is fixedly connected to the inner wall of the left side of the outer support (1), and a moving mechanism is arranged below the power mechanism.
2. The centrifugal fan lifting device as claimed in claim 1, wherein the transmission mechanism comprises a second bearing fixedly sleeved inside the fixing rod (7), a rotating shaft (10) is fixedly sleeved inside the second bearing, two second bevel gears (11) are fixedly connected to two ends of the rotating shaft (10), and the two second bevel gears (11) are in meshing transmission with the two first bevel gears (4).
3. The centrifugal fan lifting device according to claim 2, wherein the power mechanism comprises a push rod motor (12) fixedly connected with the inner wall of the left side of the outer support (1), an output shaft of the push rod motor (12) is fixedly connected with a double-shaft motor (13), a top end of the double-shaft motor (13) is fixedly connected with a third bevel gear (14), the third bevel gear (14) is in meshing transmission with the second bevel gear (11) positioned on the left side, and a bottom end output shaft of the double-shaft motor (13) is fixedly connected with a fourth bevel gear (16).
4. The centrifugal fan lifting device is characterized in that the moving mechanism comprises a third bearing fixedly connected with the right inner wall of the outer support (1), a second screw (15) is fixedly sleeved inside the third bearing, a fifth bevel gear (18) is fixedly connected with the left end of the second screw (15), and the fifth bevel gear (18) is in meshing transmission with the fourth bevel gear (16).
5. The centrifugal fan lifting device according to claim 4, wherein a guide rod (17) is fixedly connected to the left inner wall of the outer bracket (1), a guide hole is formed in the fixing rod (7), the guide rod (17) penetrates through the guide hole, a threaded hole is formed in the fixing rod (7), and the second screw (15) is in threaded fit with the threaded hole.
6. The centrifugal fan lifting device according to claim 3, wherein the first screw (3) is connected with the first bevel gear (4) through a bolt, and the top ends of the first bearings are fixedly connected with springs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021818922.0U CN212840359U (en) | 2020-08-27 | 2020-08-27 | Centrifugal fan lifting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021818922.0U CN212840359U (en) | 2020-08-27 | 2020-08-27 | Centrifugal fan lifting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212840359U true CN212840359U (en) | 2021-03-30 |
Family
ID=75141465
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021818922.0U Active CN212840359U (en) | 2020-08-27 | 2020-08-27 | Centrifugal fan lifting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212840359U (en) |
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2020
- 2020-08-27 CN CN202021818922.0U patent/CN212840359U/en active Active
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