CN216199251U - Regulation formula centrifugal fan - Google Patents
Regulation formula centrifugal fan Download PDFInfo
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- CN216199251U CN216199251U CN202122731716.7U CN202122731716U CN216199251U CN 216199251 U CN216199251 U CN 216199251U CN 202122731716 U CN202122731716 U CN 202122731716U CN 216199251 U CN216199251 U CN 216199251U
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Abstract
The utility model discloses an adjustable centrifugal fan which comprises a bottom plate and a fan shell, wherein the upper end surface of the bottom plate is fixedly connected with the fan shell, the top of one side of the fan shell is communicated with an air outlet pipe, adjusting plates are movably arranged on two sides of the top of the air outlet pipe, an electric telescopic rod is fixedly arranged between the inner side of each adjusting plate and the air outlet pipe, the middle of the fan shell is communicated with an air inlet, the outer side of the air inlet is fixedly connected with an installation cylinder, the front end of the installation cylinder is provided with an installation groove, a sleeve is rotatably connected in the installation groove, a rotary cylinder is rotatably connected outside the sleeve, and wind shields are fixedly connected inside the installation cylinder, the sleeve and the front end of the rotary cylinder. The telescopic electric telescopic handle drives the two side adjusting plates to move, the distance between the two side adjusting plates is changed, the size of the air outlet is changed, adjustable air outlet pressure is achieved, through rotating the sleeve and the rotary drum, staggered crossing of wind boards in the installation cylinder, the sleeve and the rotary drum is achieved, air inflow of the air inlet is changed, adjustable air speed is achieved, and the centrifugal fan is high in adaptability.
Description
Technical Field
The utility model relates to the technical field of centrifugal fans, in particular to an adjustable centrifugal fan.
Background
The centrifugal fan is a driven fluid machine which increases the gas pressure and discharges gas by means of input mechanical energy, and is widely used for ventilation, dust exhaust and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion.
Centrifugal fan admits air by the air intake, and the air outlet is given vent to anger, and the air input has directly influenced the air output, and the air outlet size has directly influenced the pressure of air-out, and traditional centrifugal fan does not possess the function of adjusting wind speed, wind pressure, consequently can't adjust according to the actual production demand, leads to the adaptability poor.
SUMMERY OF THE UTILITY MODEL
The utility model provides an adjustable centrifugal fan which has the advantages of adjustable air outlet pressure, adjustable air speed, strong adaptability and the like, and solves the problems that the traditional centrifugal fan cannot adjust according to actual production requirements and is poor in adaptability because the traditional centrifugal fan does not have the functions of adjusting air speed and air pressure.
In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a regulation formula centrifugal fan, includes bottom plate and fan housing, bottom plate up end and fan housing fixed connection, fan housing one side top intercommunication is provided with out the tuber pipe, it is provided with the regulating plate to go out activity of tuber pipe top both sides, the regulating plate inboard with go out fixed electric telescopic handle that is provided with between the tuber pipe, fan housing middle part intercommunication is provided with the air intake, air intake outside fixedly connected with installation section of thick bamboo, the mounting groove has been seted up to installation section of thick bamboo front end, the mounting groove internal rotation is connected with the sleeve, the sleeve is external to rotate and is connected with the rotary drum, the inside equal fixedly connected with deep bead of installation section of thick bamboo, sleeve, rotary drum front end.
As a further description of the above technical solution:
the bottom of the fan shell is fixedly connected with a connecting plate, and the bottom of the connecting plate is fixedly connected with the bottom plate.
As a further description of the above technical solution:
the adjusting plate is arranged in an L shape, and the inner side of the top of the adjusting plate is in contact connection with the air outlet pipe.
As a further description of the above technical solution:
a limiting groove is formed in the sleeve, and the limiting groove is matched with the mounting cylinder and is connected with the mounting cylinder in a rotating mode.
As a further description of the above technical solution:
and a limiting plate is arranged on the outer side of the front end of the sleeve.
As a further description of the above technical solution:
the rotary drum is internally provided with a rotary groove, and the rotary groove is matched with the limiting plate and is connected with the limiting plate in a rotating mode.
As a further description of the above technical solution:
the inner diameters of the installation cylinder, the sleeve and the rotary cylinder are the same and are communicated with the air inlet.
The utility model has the following beneficial effects:
1. the centrifugal fan adopts the adjusting plates and the electric telescopic rods, the adjusting plates on the two sides are driven to move through the expansion and contraction of the electric telescopic rods, the distance between the adjusting plates on the two sides is changed, the size of the air outlet is changed, and the adjustable air outlet pressure is further realized, so that the centrifugal fan can adjust the air outlet pressure according to actual requirements;
2. the centrifugal fan adopts the installation cylinder, the sleeve, the rotary drum and the wind shields, and the three wind shields in the installation cylinder, the sleeve and the rotary drum are crossed in a staggered way by rotating the sleeve and the rotary drum, so that the air input of the air inlet is changed, the adjustable air speed is further realized, and the centrifugal fan can adjust the air speed according to the actual requirement;
3. this centrifugal fan is owing to adopted regulating plate, electric telescopic handle, an installation section of thick bamboo, sleeve, rotary drum, deep bead, changes the air outlet size and then changes air-out pressure through regulating plate, electric telescopic handle, changes the air input and then changes the wind speed through an installation section of thick bamboo, sleeve, rotary drum, deep bead, and then realizes strong adaptability, has improved centrifugal fan's practicality.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.
In the drawings:
fig. 1 is a schematic view of an overall structure of an adjustable centrifugal fan according to the present invention;
FIG. 2 is a schematic diagram of a side view cross-sectional structure of the installation cylinder of the adjustable centrifugal fan according to the present invention;
fig. 3 is a schematic structural diagram of the sleeve of the adjustable centrifugal fan according to the present invention;
FIG. 4 is a schematic diagram of a side view of the sleeve of the adjustable centrifugal fan according to the present invention
FIG. 5 is a schematic structural view of the rotating drum of an adjustable centrifugal fan according to the present invention;
fig. 6 is a schematic side view of the rotating drum of the adjustable centrifugal fan according to the present invention.
The reference numerals are explained below:
1. a base plate; 2. a fan housing; 3. an air outlet pipe; 4. an adjusting plate; 5. an electric telescopic rod; 6. an air inlet; 7. a fan blade; 8. mounting the cylinder; 9. a wind deflector; 10. a connecting plate; 11. mounting grooves; 12. a sleeve; 13. a rotating drum; 14. a limiting groove; 15. a limiting plate; 16. and (6) rotating the groove.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention; the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly and may be, for example, 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 4, the present invention provides a new technical solution: an adjustable centrifugal fan comprises a bottom plate 1 and a fan shell 2, wherein the upper end face of the bottom plate 1 is fixedly connected with the fan shell 2 through a connecting plate 10, the bottom plate 1 is more firmly connected with the fan shell 2 through the connecting plate 10, an air outlet pipe 3 is communicated with the top of one side of the fan shell 2, wind generated by the fan is blown out through the air outlet pipe 3, adjusting plates 4 are movably arranged on two sides of the top of the air outlet pipe 3, an electric telescopic rod 5 is fixedly arranged between the inner side of each adjusting plate 4 and the air outlet pipe 3, each adjusting plate 4 is arranged in an L shape, the inner side of the top of each adjusting plate 4 is in contact connection with the air outlet pipe 3, the two adjusting plates 4 are driven to move through the expansion and contraction of the electric telescopic rod 5, the distance between the two adjusting plates 4 is changed, the size of an air outlet is further changed, adjustable air outlet pressure is realized, and an air inlet 6 is communicated with the middle of the fan shell 2, air enters the centrifugal fan through the air inlet 6, an installation cylinder 8 is fixedly connected to the outer side of the air inlet 6, an installation groove 11 is formed in the front end of the installation cylinder 8, a sleeve 12 is connected to the inner side of the installation groove 11 in a rotating mode, a limiting groove 14 is formed in the sleeve 12 and is matched with and rotatably connected with the installation cylinder 8, the sleeve 12 is not prone to shaking on the installation cylinder 8 through the limiting groove 14, a limiting plate 15 is arranged on the outer side of the front end of the sleeve 12, a rotating cylinder 13 is rotatably connected to the outer side of the sleeve 12, a rotating groove 16 is formed in the rotating cylinder 13 and is matched with and rotatably connected with the limiting plate 15, so that the rotating cylinder 13 is connected with the sleeve 12 more closely and is not prone to air leakage, wind shields 9 are fixedly connected to the inner portions of the front ends of the installation cylinder 8, the sleeve 12 and the rotating cylinder 13, and wind shields 9 are fixedly connected to the inner portions of the front ends of the installation cylinder 8, the sleeve 12 and the rotating cylinder 12, Three deep bead 9 dislocation intersection in the rotary drum 13 changes the air input of air intake 6 to change the air outlet wind speed, installation section of thick bamboo 8, sleeve 12, rotary drum 13 internal diameter are the same and all communicate the setting with air intake 6, with the assurance air input even, the difficult emergence vibration of air of entering produces the noise.
The working principle and the using process of the utility model are as follows: during the use, start centrifugal fan, flabellum 7 rotates and inhales the air from air intake 6, blow off through going out tuber pipe 3 after the pressure boost, from according to actual conditions, electric telescopic handle 5's flexible both sides regulating plate 4 removes, change the distance between the regulating plate 4 of both sides, change the air outlet size, adjust air-out pressure, rotate sleeve 12, rotary drum 13, make the installation section of thick bamboo 8, sleeve 12, three deep bead 9 dislocation in the rotary drum 13 is alternately, change the air input of air intake 6, thereby change the air outlet wind speed, make this centrifugal fan have higher adaptation regulation nature.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (7)
1. A regulation formula centrifugal fan, includes bottom plate (1) and fan housing (2), its characterized in that: bottom plate (1) up end and fan shell (2) fixed connection, fan shell (2) one side top intercommunication is provided with out tuber pipe (3), it is provided with regulating plate (4) to go out tuber pipe (3) top both sides activity, fixed electric telescopic handle (5) of being provided with between regulating plate (4) inboard and the play tuber pipe (3), fan shell (2) middle part intercommunication is provided with air intake (6), air intake (6) outside fixedly connected with installation section of thick bamboo (8), mounting groove (11) have been seted up to installation section of thick bamboo (8) front end, mounting groove (11) internal rotation is connected with sleeve (12), sleeve (12) external rotation is connected with rotary drum (13), equal fixedly connected with deep bead (9) in installation section of thick bamboo (8), sleeve (12), rotary drum (13) front end.
2. A regulating centrifugal fan according to claim 1, wherein: the bottom of the fan shell (2) is fixedly connected with a connecting plate (10), and the bottom of the connecting plate (10) is fixedly connected with the bottom plate (1).
3. A regulating centrifugal fan according to claim 2, wherein: the adjusting plate (4) is arranged in an L shape, and the inner side of the top of the adjusting plate (4) is in contact connection with the air outlet pipe (3).
4. A regulating centrifugal fan according to claim 3, wherein: a limiting groove (14) is formed in the sleeve (12), and the limiting groove (14) is matched with the mounting cylinder (8) and is rotatably connected with the mounting cylinder.
5. A regulating centrifugal fan according to claim 4, wherein: and a limiting plate (15) is arranged on the outer side of the front end of the sleeve (12).
6. A regulating centrifugal fan according to claim 5, wherein: the rotary drum (13) is internally provided with a rotary groove (16), and the rotary groove (16) is matched with the limiting plate (15) and is rotatably connected with the limiting plate.
7. A regulating centrifugal fan according to claim 6, wherein: the inner diameters of the installation cylinder (8), the sleeve (12) and the rotary cylinder (13) are the same and are communicated with the air inlet (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122731716.7U CN216199251U (en) | 2021-11-09 | 2021-11-09 | Regulation formula centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122731716.7U CN216199251U (en) | 2021-11-09 | 2021-11-09 | Regulation formula centrifugal fan |
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| Publication Number | Publication Date |
|---|---|
| CN216199251U true CN216199251U (en) | 2022-04-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122731716.7U Active CN216199251U (en) | 2021-11-09 | 2021-11-09 | Regulation formula centrifugal fan |
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| CN (1) | CN216199251U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115573948A (en) * | 2022-12-07 | 2023-01-06 | 江苏德锐科环保科技有限公司 | Heat preservation formula centrifugal fan |
-
2021
- 2021-11-09 CN CN202122731716.7U patent/CN216199251U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115573948A (en) * | 2022-12-07 | 2023-01-06 | 江苏德锐科环保科技有限公司 | Heat preservation formula centrifugal fan |
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