CN222457809U - A bidirectional double-intake centrifugal fan - Google Patents
A bidirectional double-intake centrifugal fan Download PDFInfo
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- CN222457809U CN222457809U CN202421125741.8U CN202421125741U CN222457809U CN 222457809 U CN222457809 U CN 222457809U CN 202421125741 U CN202421125741 U CN 202421125741U CN 222457809 U CN222457809 U CN 222457809U
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- fixedly connected
- fan
- centrifugal fan
- driving gear
- fan housing
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- 230000002457 bidirectional effect Effects 0.000 title claims abstract description 11
- 241000886569 Cyprogenia stegaria Species 0.000 claims description 19
- 238000005096 rolling process Methods 0.000 claims description 6
- 230000001681 protective effect Effects 0.000 claims description 4
- 238000001816 cooling Methods 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- 230000009977 dual effect Effects 0.000 description 2
- 238000004378 air conditioning Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
本实用新型涉及离心风机技术领域，提出了一种可双向双吸入式离心风机，包括风机外壳，所述风机外壳的内壁固定连接有两组支撑杆，两组所述支撑杆相互靠近的一端共同固定连接有两个轴承座。本实用新型中，通过设置有电机、主动齿轮、次动齿轮、支撑杆、轴承座、旋转轴、叶轮和引风罩，利用支撑杆的设计，便于对轴承座进行支撑，此时通过电机和主动齿轮的配合使用，便于次动齿轮跟随主动齿轮进行旋转，紧接着根据旋转轴与次动齿轮的连接关系，便于旋转轴在轴承座内部旋转的同时，带动两个叶轮进行转动，由于叶轮设置有两个，因此通过叶轮的旋转，便于前后两个方向的气体进入风机外壳内部，紧接着利用引风罩的设计，便于广泛吸入气体。
The utility model relates to the technical field of centrifugal fans, and proposes a bidirectional double-intake centrifugal fan, including a fan housing, wherein the inner wall of the fan housing is fixedly connected with two groups of support rods, and the ends of the two groups of support rods close to each other are fixedly connected with two bearing seats. In the utility model, a motor, a driving gear, a secondary gear, a support rod, a bearing seat, a rotating shaft, an impeller and an air induced draft hood are provided, and the design of the support rod is used to facilitate the support of the bearing seat. At this time, the motor and the driving gear are used in coordination, so that the secondary gear follows the driving gear to rotate, and then according to the connection relationship between the rotating shaft and the secondary gear, the rotating shaft rotates inside the bearing seat while driving the two impellers to rotate. Since two impellers are provided, the rotation of the impeller facilitates the gas in the front and rear directions to enter the fan housing, and then the design of the air induced draft hood is used to facilitate the extensive inhalation of gas.
Description
Technical Field
The utility model relates to the technical field of centrifugal fans, in particular to a bidirectional double-suction type centrifugal fan.
Background
The centrifugal fan is a driven fluid machine which can raise the pressure of gas and discharge the gas by means of inputted mechanical energy, and is widely used for ventilation, dust discharge and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and induced air of boilers and industrial furnaces and kilns, cooling and ventilation in air conditioning equipment and household electrical appliances, drying and selection of grains, inflation and propulsion of wind tunnel wind sources and air cushion ships, etc.
The centrifugal fan at the present stage has a wide application range, but when the centrifugal fan is used, air is sucked in usually in one direction, so that the suction amount of the centrifugal fan is reduced, the suction amount is reduced, the air output is naturally reduced, the current use is not facilitated, and improvement is needed.
Disclosure of utility model
The utility model provides a bidirectional double-suction type centrifugal fan, which solves the problems that the centrifugal fan sucks air in one direction generally, so that the suction amount of the centrifugal fan is reduced, the suction amount is reduced, the air output is naturally reduced, the current use is not facilitated, and the improvement is needed.
The technical scheme of the utility model is as follows:
The utility model provides a but two-way two suction type centrifugal fan, includes the fan shell, the inner wall fixedly connected with of fan shell two sets of bracing pieces, two sets of the one end that the bracing piece is close to each other is two bearing frames of fixedly connected with jointly, two the inner circle of bearing frame is fixedly connected with rotation axis jointly, the surface fixedly connected with of rotation axis has two impellers, the inner wall fixedly connected with motor of fan shell, the output fixedly connected with driving gear of motor, the front end fixedly connected with of rotation axis moves the gear once, it meshes with the driving gear to move the gear once, the front of fan shell and the equal fixedly connected with induced air cover in the back of fan shell.
The fan comprises a fan shell, wherein two support plates are fixedly connected to the outer surface of the fan shell, mounting plates are fixedly connected to the bottom surfaces of the support plates together, and two groups of mounting holes are formed in the upper surface of each mounting plate.
The left side of fan shell is equipped with the warning sign, the bottom surface of warning sign and the upper surface fixed connection of mounting panel.
The outer surface fixedly connected with two fixed plates of fan shell, two the fixed plate is kept away from each other a side all fixed the inlaying has antifriction bearing, every antifriction bearing's equal fixedly connected with threaded rod of inner circle, two the fixed plate is kept away from each other one side all is equipped with the internal thread ring.
The top of fan shell is equipped with the product mark, the bottom surface of product mark and the upper surface fixed connection of fan shell.
Two induced draft hoods are provided with protection nets on one sides far away from each other, and the outer surface of each protection net is fixedly connected with the outer surface of the internal thread ring.
The beneficial effects of the utility model are as follows:
according to the utility model, the motor, the driving gear, the secondary driving gear, the supporting rod, the bearing seat, the rotating shaft, the impellers and the induced draft hood are arranged, the supporting rod is designed to support the bearing seat conveniently, the secondary driving gear is convenient to rotate along with the driving gear through the matching of the motor and the driving gear, then the rotating shaft is convenient to rotate in the bearing seat according to the connection relation between the rotating shaft and the secondary driving gear, and simultaneously the two impellers are driven to rotate.
Drawings
The utility model will be described in further detail with reference to the drawings and the detailed description.
FIG. 1 is a schematic perspective view of a bidirectional double suction centrifugal fan;
FIG. 2 is a schematic perspective view of a top view of a bi-directional dual suction centrifugal fan housing according to the present utility model;
FIG. 3 is a schematic perspective view of a side view of a bi-directional dual suction centrifugal fan housing according to the present utility model;
Fig. 4 is a cross-sectional view of a two-way double suction centrifugal fan housing in accordance with the present utility model.
The device comprises a mounting hole 1, a mounting plate 2, a mounting plate 3, a protective net 4, a fixing plate 5, a fan shell 6, a supporting plate 7, a warning sign 8, an internal thread ring 9, a rolling bearing 10, a threaded rod 11, a product mark 12, a wind scooper 13, a motor 14, a secondary driving gear 15, an impeller 16, a supporting rod 17, a bearing seat 18, a driving gear 19 and a rotating shaft.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Example 1
As shown in fig. 1-4, the embodiment provides a bidirectional double-suction centrifugal fan, which comprises a fan housing 5, wherein two groups of support rods 16 are fixedly connected to the inner wall of the fan housing 5, two bearing seats 17 are fixedly connected to one ends, close to each other, of the two groups of support rods 16, a rotating shaft 19 is fixedly connected to the inner rings of the two bearing seats 17, two impellers 15 are fixedly connected to the outer surfaces of the rotating shaft 19, a motor 13 is fixedly connected to the inner wall of the fan housing 5, a driving gear 18 is fixedly connected to the output end of the motor 13, a secondary driving gear 14 is fixedly connected to the front end of the rotating shaft 19, the secondary driving gear 14 is meshed with the driving gear 18, and an induced draft cover 12 is fixedly connected to the front surface of the fan housing 5 and the back surface of the fan housing 5.
In this embodiment, the design of the support rod 16 is utilized to support the bearing 17 conveniently, at this time, through the cooperation of the motor 13 and the driving gear 18, the secondary driving gear 14 is convenient to rotate along with the driving gear 18, then according to the connection relation between the rotating shaft 19 and the secondary driving gear 14, the rotating shaft 19 is convenient to rotate in the bearing seat 17 and simultaneously drives the two impellers 15 to rotate, and the impellers 15 are provided with two impellers, so that the gas in the front and rear directions is convenient to enter the blower housing 5 through the rotation of the impellers 15, and then the design of the induced draft cover 12 is utilized to facilitate the wide gas suction.
Example two
As shown in fig. 1-4, based on the same concept as the first embodiment, the embodiment further provides that two support plates 6 are fixedly connected to the outer surface of the fan housing 5, the bottom surfaces of the two support plates 6 are fixedly connected with a mounting plate 2, two groups of mounting holes 1 are formed in the upper surface of the mounting plate 2, a warning board 7 is arranged on the left side of the fan housing 5, the bottom surface of the warning board 7 is fixedly connected with the upper surface of the mounting plate 2, two fixing plates 4 are fixedly connected to the outer surface of the fan housing 5, rolling bearings 9 are fixedly embedded in one side, away from each other, of the two fixing plates 4, threaded rods 10 are fixedly connected to the inner ring of each rolling bearing 9, and inner threaded rings 8 are arranged on one sides, away from each other, of the two fixing plates 4.
In this embodiment, utilize the cooperation of mounting hole 1, mounting panel 2 and mounting screw, be convenient for install this centrifugal fan in the position of use, utilize warning sign 7 to be convenient for suggestion staff's notice, through the cooperation of threaded rod 10 and internal thread ring 8, the staff of being convenient for installs protection network 3.
The top of fan shell 5 is equipped with product mark 11, and the bottom surface of product mark 11 and the last fixed surface of fan shell 5 are connected, and one side that two induced air covers 12 kept away from each other all is equipped with protection network 3, and the surface of every protection network 3 all is connected with the surface fixed of internal thread ring 8.
In this embodiment, the product label 11 is used to facilitate the user to know the product, and the protection purpose can be achieved through the protection net 3.
When a worker uses the device, the worker firstly rotates the threaded rod 10 in the rolling bearing 9 to rotate, then the internal thread ring 8 is in threaded connection with the threaded rod 10, the protective screen 3 is arranged on the induced draft hood 12, then the centrifugal fan is arranged at a using position through the cooperation of the mounting holes 1, the mounting plates 2 and the mounting screws, then the centrifugal fan is communicated with a power supply, the motor 13 is started to work after the power supply is conducted, the driving gear 18 is driven to rotate by the power provided by the motor 13, the rotating shaft 19 is driven to rotate in the bearing seat 17 through the meshing relationship of the driving gear 18 and the secondary gear 14, meanwhile, the impeller 15 is driven to work by the rotating shaft 19, at the moment, external air enters through the induced draft hood 12, and the air is discharged by the air outlet.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (6)
1. The utility model provides a but two-way two suction type centrifugal fan, its characterized in that, including fan shell (5), the inner wall fixedly connected with of fan shell (5) two sets of bracing piece (16), two sets of the one end that bracing piece (16) are close to each other is two bearing frame (17) of fixedly connected with jointly, two the inner circle of bearing frame (17) is fixedly connected with rotation axis (19) jointly, the surface fixedly connected with of rotation axis (19) two impeller (15), the inner wall fixedly connected with motor (13) of fan shell (5), the output fixedly connected with driving gear (18) of motor (13), the front end fixedly connected with of rotation axis (19) moves gear (14) once, move gear (14) and driving gear (18) looks meshing once, the front of fan shell (5) and the equal fixedly connected with induced draft cover (12) in the back of fan shell (5).
2. The bidirectional double-suction centrifugal fan according to claim 1, wherein the outer surface of the fan housing (5) is fixedly connected with two support plates (6), the bottom surfaces of the two support plates (6) are fixedly connected with a mounting plate (2) together, and two groups of mounting holes (1) are formed in the upper surface of the mounting plate (2).
3. The bidirectional double-suction centrifugal fan according to claim 1, wherein a warning board (7) is arranged on the left side of the fan housing (5), and the bottom surface of the warning board (7) is fixedly connected with the upper surface of the mounting plate (2).
4. The bidirectional double-suction centrifugal fan according to claim 1, wherein the outer surface of the fan housing (5) is fixedly connected with two fixing plates (4), a rolling bearing (9) is fixedly embedded on one side surface of each fixing plate (4), the inner ring of each rolling bearing (9) is fixedly connected with a threaded rod (10), and an inner threaded ring (8) is arranged on one side of each fixing plate (4).
5. The bidirectional double-suction centrifugal fan according to claim 1, wherein a product label (11) is arranged above the fan housing (5), and the bottom surface of the product label (11) is fixedly connected with the upper surface of the fan housing (5).
6. The bidirectional double-suction centrifugal fan according to claim 1, wherein two air guiding covers (12) are provided with protective nets (3) on one sides far away from each other, and the outer surface of each protective net (3) is fixedly connected with the outer surface of an internal thread ring (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421125741.8U CN222457809U (en) | 2024-05-22 | 2024-05-22 | A bidirectional double-intake centrifugal fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421125741.8U CN222457809U (en) | 2024-05-22 | 2024-05-22 | A bidirectional double-intake centrifugal fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222457809U true CN222457809U (en) | 2025-02-11 |
Family
ID=94439680
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421125741.8U Active CN222457809U (en) | 2024-05-22 | 2024-05-22 | A bidirectional double-intake centrifugal fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222457809U (en) |
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2024
- 2024-05-22 CN CN202421125741.8U patent/CN222457809U/en active Active
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