CN216691501U - Novel centrifugal roof fan - Google Patents
Novel centrifugal roof fan Download PDFInfo
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- CN216691501U CN216691501U CN202122624793.2U CN202122624793U CN216691501U CN 216691501 U CN216691501 U CN 216691501U CN 202122624793 U CN202122624793 U CN 202122624793U CN 216691501 U CN216691501 U CN 216691501U
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Abstract
The utility model discloses a novel centrifugal roof fan which comprises a fan cover (1), a shell (2) connected with the fan cover (1), a base (3) arranged at the bottom of the shell (2), and a motor (4), wherein an air inlet is formed in the base (3), the roof fan also comprises a hub (501) and blades (502), a cylinder base (6) is fixedly arranged in the shell (2), a bottom cover (601) is arranged at the bottom end of the cylinder base (6), the motor (4) is arranged in the cylinder base (6), the motor (4) is connected with the bottom cover (601), an output shaft of the motor (4) extends out of the bottom cover (601), and an impeller assembly (5) is arranged on the output shaft of the motor (4). The utility model has simple and practical structure, can protect the motor and prolong the service life.
Description
Technical Field
The utility model relates to the field of fans, in particular to a novel centrifugal roof fan.
Background
Along with the investment and the support of the country increase to the actual industry, more and more factory buildings are put into construction, and the ventilation equipment of factory building is indispensable, and general factory building can be equipped with the roof fan of multiple model and be used for the ventilation, and the ventilation in a lot of houses also can use the roof fan.
The utility model discloses a chinese utility model with publication number CN208997002U discloses a roof fan that can open top cap, the fan motor is fixed on the motor installing support, when fan during operation, the air current can cause the impact to the motor, if be applied to the factory building, can thoughtlessly have foreign matter such as metal dust in the air in a lot of factory buildings, at fan during operation, destroy the surface of motor very easily, long-time the use, the motor is also very easily damaged, although can set up the filter screen at the air intake of fan and reduce the foreign matter, but still have the foreign matter entering to cause the damage to the motor, therefore, need a new technical scheme to solve above problem urgently.
Disclosure of Invention
The utility model aims to provide a novel centrifugal roof fan, which can protect a motor from being damaged, prolong the service life and further reduce noise.
In order to achieve the technical purpose and achieve the technical requirements, the technical scheme adopted by the utility model is as follows: the utility model provides a novel centrifugal roof fan, includes the fan housing, the shell that links to each other with the fan housing, establishes frame, the motor in the shell bottom, be equipped with the air intake on the frame, the roof fan still includes wheel hub, blade, the shell internal fixation is equipped with the barrel holder, the bottom of barrel holder is equipped with the bottom, the motor is established in the barrel holder, the motor is connected with the bottom, the output shaft of motor stretches out from the bottom, be equipped with impeller assembly on the output shaft of motor.
As an optimal technical scheme, the impeller assembly comprises a shaft sleeve, a hub and blades, the shaft sleeve is sleeved on an output shaft of the motor and is connected with the hub, and the blades are uniformly arranged on the outer surface of the hub.
As a preferred technical scheme, a damping plate is arranged between the motor and the bottom cover.
As the preferred technical scheme, guide plates are arranged between the cylinder seat and the shell, and the guide plates are uniformly distributed on the circumference.
Preferably, the cylinder seat is connected with the shell through a connecting rib.
Preferably, the hub is fastened to an output shaft of the motor.
As a preferred technical scheme, two ends of the cylinder seat are respectively provided with a flange edge, and the upper cover and the bottom cover are respectively and tightly connected with the flange edges.
As a preferred technical scheme, the lower end of the machine base is provided with an adjusting valve seat which is of a hollow structure, and the bottom end of the adjusting valve seat is provided with a flange edge.
As a preferable technical scheme, the outer surface of the cylinder seat is provided with a sound attenuation layer.
The beneficial effects of the utility model are: a novel centrifugal roof fan compares with traditional scheme:
1) the motor is arranged in the cylinder seat, the bottom cover is arranged at the bottom end of the cylinder seat, the motor can be well protected, when the roof fan works, the motor cannot be impacted, and the surface of the motor cannot be damaged even if foreign matters enter;
2) preferably, a damping plate is arranged between the motor and the bottom cover, and when the motor works, compared with the damping plate of the fixed support, the damping plate can reduce vibration, so that the motor runs more stably, and the working noise of the roof fan is lower;
3) preferably, the air flow is guided by the guide plate, so that the air flow is prevented from being disordered and the air exhaust efficiency is prevented from being influenced when air suction and air exhaust are carried out;
4) preferably, the upper cover is arranged to further protect the motor, so that the service life of the motor is prolonged;
5) preferably, the additional adjusting valve seat can be used for installing an adjusting valve to meet different working conditions;
6) preferably, the outer surface of the cylinder seat is provided with a silencing layer, so that the working noise is reduced.
Drawings
FIG. 1 is a structural view of embodiment 1;
FIG. 2 is a structural view of embodiment 2;
FIG. 3 is a structural view of embodiment 3;
fig. 4 is a bottom view of embodiment 1 and embodiment 2.
In fig. 1-4, 1, a fan housing; 101. a support pillar; 2. a housing; 201. connecting ribs; 202. a baffle; 3. a machine base; 4. a motor; 5. an impeller assembly; 501. a hub; 502. a blade; 503. a shaft sleeve; 6. a cartridge holder; 601. a bottom cover; 602. an upper cover; 7. a damper plate; 8. and adjusting the valve seat.
Detailed Description
The utility model is further described below with reference to the accompanying drawings.
The same or similar reference numerals in the drawings of the embodiments of the present invention correspond to the same or similar components; in the description of the present invention, it should be understood that if the terms "head", "tail", "top", "bottom", "left", "right", "front", "back", "inner", "outer", etc. are used for indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of describing the present invention, but does not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, the terms describing the positional relationship in the drawings are only used for illustrative purposes and are not to be construed as limiting the present patent, and the specific meanings of the terms may be understood by those skilled in the art according to specific situations.
Referring to fig. 1-4, the present invention provides a novel centrifugal roof fan, including a fan housing 1, a housing 2 connected to the fan housing 1, a base 3 disposed at the bottom of the housing 2, a motor 4, a hub 501, and blades 502, wherein the base 3 is provided with an air inlet, the bottom end of the housing 2 is used for air inlet, the upper end of the housing 2 is used for air outlet, the fan housing 1 is connected to the housing 2 through a support pillar 101, a cylinder base 6 is fixedly disposed in the housing 2, the bottom end of the cylinder base 6 is provided with a bottom cover 601, the motor 4 is disposed in the cylinder base 6, the motor 4 is connected to the bottom cover 601 through screws, an output shaft of the motor 4 extends from the bottom cover 601, an impeller assembly 5 is disposed on the output shaft of the motor 4, further, a shaft sleeve 503 is sleeved on the output shaft of the motor 4, the shaft sleeve 503 rotates along with the output shaft of the motor 4, the shaft sleeve 503 is connected to the hub 501 through screws, the blades 502 are uniformly arranged on the outer surface of the hub 501; from up down, the direction of air current, the direction of rotation of blade 502 is the arrow point in figure 4 direction, sets up the bobbin base 6 and installs motor 4 in bobbin base 6, and when breathing in, bottom 601 can prevent that the air current from getting into bobbin base 6 to protection motor 4 does not receive the damage, extension motor 4's life, and simple structure is practical, and the protection is effectual.
As shown in fig. 1-4, the shaft sleeve 503 can be connected to the output shaft of the motor 4 by a key connection, or the hub 501 is fastened to the output shaft of the motor 4, the hub 501 is coaxially connected to the output shaft of the motor 4, a screw and a gasket are coaxially installed with the hub 501, and the hub 501 is fastened to the output shaft of the motor 4 by tightening the screw, so that the shaft sleeve 503 can rotate along with the output shaft of the motor 4.
As shown in fig. 1 to 4, a damping plate 7 is disposed between the motor 4 and the bottom cover 601, and screws pass through the motor 4, the damping plate 7 and the bottom cover 601, so that when the motor 4 works, vibration of the motor 4 can be reduced, working stability can be improved, and noise can be reduced.
As shown in fig. 1-4, the flow guide plates 202 are arranged between the cylinder base 6 and the housing 2, the flow guide plates 202 are uniformly distributed on the circumference, one end of the flow guide plate 202 is welded to the outer surface of the cylinder base 6, the other end of the flow guide plate 202 is welded to the inner wall of the housing 2, the flow guide plate 202 is arranged at the position close to the bottom end of the cylinder base 6, and the flow guide plates 202 uniformly distributed on the circumference guide the airflow to divide the airflow, so that the influence of the airflow disorder on the air exhaust efficiency is prevented.
As shown in fig. 1 to 4, the cartridge holder 6 is connected to the housing 2 through a connection rib 201, in one embodiment, one end of the connection rib 201 is welded to the outer surface of the cartridge holder 6, the other end of the connection rib 201 is welded to the inner surface of the housing 2, and a plurality of connection ribs 201 may be provided as required.
As shown in fig. 1-4, an upper cover 602 is disposed at the upper end of the cylinder base 6, the upper cover 602 is flange-tightly connected or welded to the cylinder base 6, when air is exhausted from the upper end of the housing 2, there is a high possibility that dust may enter the cylinder base 6, so that dust may accumulate in the cylinder base 6, the upper cover 602 is additionally disposed to reduce the accumulation of dust, the upper cover 602 is further provided with wire inlet holes for wires to pass through, further, flange edges are disposed at two ends of the cylinder base 6, and the upper cover 602 and the bottom cover 601 are respectively flange-tightly connected to facilitate installation and disassembly.
As shown in fig. 1-4, the lower extreme of frame 3 is equipped with adjusting valve seat 8, adjusting valve seat 8 is hollow structure, adjusting valve seat 8's bottom is equipped with the flange limit, adds to establish adjusting valve seat 8 and can be used for installing the governing valve, satisfies different operating modes and design demand.
As shown in fig. 1-4, the surface of the cylinder base 6 is provided with a noise reduction layer to reduce working noise, and the noise reduction layer is made of noise reduction coating, such as water-based noise reduction mud, and can be directly coated on a metal surface, because the surface area of the cylinder base 6 is large, the noise reduction layer arranged on the surface of the cylinder base 6 has a good noise reduction effect, and further, the noise reduction layer arranged on the inner wall of the outer shell 2 further reduces noise of the roof fan.
As shown in fig. 1 to 4, a motor line box 401 is provided on the motor 4.
Example 1
A novel centrifugal roof fan comprises a fan cover 1, a shell 2 connected with the fan cover 1, a base 3 arranged at the bottom of the shell 2, a motor 4, a hub 501 and blades 502, wherein an air inlet is formed in the base 3, a motor wire box 401 is arranged on the motor 4, the fan cover 1 is connected with the shell 2 through a support column 101, a barrel seat 6 is connected with the shell 2 through a connecting rib 201, a bottom cover 601 is arranged at the bottom end of the barrel seat 6, the motor 4 is arranged in the barrel seat 6, a flange edge is arranged at the bottom end of the barrel seat 6, the bottom cover 601 is fixedly connected with the flange edge, the motor 4 is fixedly connected with the bottom cover 601, an output shaft of the motor 4 extends out of the bottom cover 601, a shaft sleeve 503 is sleeved on the output shaft of the motor 4, the output shaft of the motor 4 is fixedly connected with the hub 501, the shaft sleeve 503 is fixedly connected with the hub 501, the blades 502 are uniformly welded on the outer surface of the hub 501, a damping plate 7 is arranged between the motor 4 and the bottom cover 601, the damping plate 7 is fixedly connected with the bottom cover 601, the flow guide plates 202 are welded between the cylinder seat 6 and the shell 2, and the flow guide plates 202 are uniformly distributed on the circumference.
Example 2
A novel centrifugal roof fan comprises a fan cover 1, a shell 2 connected with the fan cover 1, a base 3 arranged at the bottom of the shell 2, a motor 4, a hub 501 and blades 502, wherein an air inlet is formed in the base 3, a motor wire box 401 is arranged on the motor 4, the fan cover 1 is connected with the shell 2 through a support column 101, a barrel seat 6 is connected with the shell 2 through a connecting rib 201, a bottom cover 601 is arranged at the bottom end of the barrel seat 6, an upper cover 602 is arranged at the upper end of the barrel seat 6, the motor 4 is arranged in the barrel seat 6, flange edges are arranged at the bottom end and the upper end of the barrel seat 6, the bottom cover 601 and the upper cover 602 are respectively and fixedly connected with the flange edges, the motor 4 is fixedly connected with the bottom cover 601, an output shaft of the motor 4 extends out of the bottom cover 601, a shaft sleeve 503 is sleeved on the output shaft of the motor 4, the output shaft of the motor 4 is fixedly connected with the hub 501, the shaft sleeve 503 is fixedly connected with the hub 501, the blades 502 are uniformly welded on the outer surface of the hub 501, a damping plate 7 is arranged between the motor 4 and the bottom cover 601, the damping plate 7 is fixedly connected with the bottom cover 601, the guide plates 202 are welded between the cylinder seat 6 and the shell 2, and the guide plates 202 are uniformly distributed on the circumference.
Example 3
A novel centrifugal roof fan comprises a fan cover 1, a shell 2 connected with the fan cover 1, a base 3 arranged at the bottom of the shell 2, a motor 4, a hub 501 and blades 502, wherein an air inlet is formed in the base 3, a motor wire box 401 is arranged on the motor 4, the fan cover 1 is connected with the shell 2 through a support column 101, a barrel seat 6 is connected with the shell 2 through a connecting rib 201, a bottom cover 601 is arranged at the bottom end of the barrel seat 6, an upper cover 602 is arranged at the upper end of the barrel seat 6, the motor 4 is arranged in the barrel seat 6, flange edges are arranged at the bottom end and the upper end of the barrel seat 6, the bottom cover 601 and the upper cover 602 are respectively and fixedly connected with the flange edges, the motor 4 is fixedly connected with the bottom cover 601, an output shaft of the motor 4 extends out of the bottom cover 601, a shaft sleeve 503 is sleeved on the output shaft of the motor 4, the output shaft of the motor 4 is fixedly connected with the hub 501, the shaft sleeve 503 is fixedly connected with the hub 501, the blades 502 are uniformly welded on the outer surface of the hub 501, be equipped with between motor 4 and the bottom 601 and subtract vibrating plate 7, subtract vibrating plate 7 and bottom 601 fastening connection, the welding has guide plate 202 between bowl 6 and the shell 2, guide plate 202 circumference equipartition, and the lower extreme of frame 3 is equipped with adjusts valve seat 8, adjusts valve seat 8 and is hollow structure, and the bottom of adjusting valve seat 8 is equipped with the flange limit, and the outer surface coating of bowl 6 has waterborne to hinder sound mud.
The foregoing examples are given solely for the purpose of illustrating the utility model and are not to be construed as limiting the embodiments, and other variations and modifications in form thereof will be suggested to those skilled in the art upon reading the foregoing description, and it is not necessary or necessary to exhaustively enumerate all embodiments and all such obvious variations and modifications are deemed to be within the scope of the utility model.
Claims (9)
1. The utility model provides a novel centrifugal roof fan, includes fan housing (1), shell (2) that links to each other with fan housing (1), establishes frame (3), motor (4) in shell (2) bottom, be equipped with the air intake on frame (3), its characterized in that, roof fan still includes wheel hub (501), blade (502), shell (2) internal fixation is equipped with shell base (6), the bottom of shell base (6) is equipped with bottom (601), establish in shell base (6) motor (4), motor (4) are connected with bottom (601), the output shaft of motor (4) stretches out from bottom (601), be equipped with impeller subassembly (5) on the output shaft of motor (4).
2. The novel centrifugal roof fan as claimed in claim 1, wherein the impeller assembly (5) comprises a shaft sleeve (503), a hub (501) and blades (502), the shaft sleeve (503) is sleeved on the output shaft of the motor (4), the shaft sleeve (503) rotates along with the output shaft of the motor (4), the shaft sleeve (503) is connected with the hub (501), and the blades (502) are uniformly arranged on the outer surface of the hub (501).
3. A new type of centrifugal roof fan according to claim 1, characterized in that between the motor (4) and the bottom cover (601) is a damping plate (7).
4. A new kind of centrifugal roof fans according to claim 1, characterized by, that there are guide plates (202) between the said cylinder block (6) and outer casing (2), the said guide plates (202) are distributed evenly circumferentially.
5. A new type of centrifugal roof fan according to claim 1, characterized in that the cartridge (6) is connected to the housing (2) by means of a connection rib (201).
6. A new type of centrifugal roof fan according to claim 1, characterized in that the upper end of the cartridge (6) is provided with an upper cover (602).
7. A novel centrifugal roof fan as claimed in claim 6, characterized in that, both ends of the canister seat (6) are respectively provided with a flange edge, and the upper cover (602) and the bottom cover (601) are respectively fastened and connected with the flange edges.
8. A novel centrifugal roof fan according to claim 1, characterized in that the lower end of the base (3) is provided with an adjusting valve seat (8), the adjusting valve seat (8) is of a hollow structure, and the bottom end of the adjusting valve seat (8) is provided with a flange.
9. A new centrifugal roof fan according to claim 1, characterized in that the outer surface of the drum base (6) is provided with a sound-deadening layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122624793.2U CN216691501U (en) | 2021-10-29 | 2021-10-29 | Novel centrifugal roof fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122624793.2U CN216691501U (en) | 2021-10-29 | 2021-10-29 | Novel centrifugal roof fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216691501U true CN216691501U (en) | 2022-06-07 |
Family
ID=81830922
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122624793.2U Active CN216691501U (en) | 2021-10-29 | 2021-10-29 | Novel centrifugal roof fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216691501U (en) |
-
2021
- 2021-10-29 CN CN202122624793.2U patent/CN216691501U/en active Active
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