Centrifugal fan with flow guide device

By introducing casters, hydraulic rods, and a lifting frame structure into the centrifugal fan, the problems of existing centrifugal fans being unable to guide airflow and requiring significant effort to change height have been solved, thus achieving flexibility in airflow adjustment and ease of operation.

CN223608932UActive Publication Date: 2025-11-28DONGGUAN QIAOFENG ELECTRONICS CO LTD
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Patent Information

Application Number
CN202520083723.6
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-01-14
Publication Date
2025-11-28
Estimated Expiration
2035-01-14

AI Technical Summary

Technical Problem

Existing centrifugal fans lack a flow guiding structure, resulting in ineffective airflow guidance, and replacing them is time-consuming and labor-intensive.

Method used

The centrifugal fan with a flow guide device is designed, using casters, hydraulic rods and a lifting frame structure, which allows the main body of the fan to move and be raised and lowered, and the baffle is raised and lowered by a screw to achieve airflow guidance.

Benefits of technology

It enables flexible adjustment of wind-driven airflow, reduces the labor intensity of operation, and improves efficiency and safety.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a centrifugal fan with a flow guide device, which comprises a fixing frame, universal wheels arranged on the lower surface of the fixing frame, a hydraulic rod fixedly connected to the lower bottom wall of the fixing frame, a sliding frame fixedly connected to the output end of the hydraulic rod, and a supporting frame fixedly connected to the upper surface of the fixing frame. The fixing frame and the centrifugal fan body on the fixing frame can move through the universal wheels, the hydraulic rod in the fixing frame stretches out and draws back, the sliding frame connected with the hydraulic rod ascends and descends, the centrifugal fan body can ascend and descend, and meanwhile the universal wheels can leave the ground. By rotating different lead screws on the lifting frame, the different lifting plates in threaded connection can ascend and descend, the baffles connected with the lifting plates are driven to ascend and descend together, a certain air outlet of the split air pipe is blocked, and flow guide treatment on the split air pipe is achieved; and wind power can be concentrated to meet use.
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Description

TECHNICAL FIELD

[0001] The utility model relates to centrifugal fan technical field, especially in a centrifugal fan with flow guide device. BACKGROUND

[0002] The fan is the power machinery that the mechanical energy of rotation is converted into the total pressure increase of flowing air and makes the continuous movement of air, also can say that the fan is the power machinery that the mechanical energy of rotation is converted into the kinetic energy and potential energy of gas, and the gas is delivered, the airflow enters the blade space by the fan shaft in the work, then under the drive of the impeller, one side rotates with the impeller, the other side improves energy under the action of inertia, and leaves the impeller along the radial direction, and the fan that does work by the centrifugal force produced is called centrifugal fan, but the existing centrifugal fan generally does not have the flow guide structure, when the fan ventilates multiple pipes, needs to increase the wind power to a certain pipe, at this time, the wind power cannot be guided, the use effect of the fan is reduced, and the height of the centrifugal fan is fixed when using now, but the installation height of each pipe is different, now when the height of the centrifugal fan needs to be changed, generally, workers lift the centrifugal fan, place a base plate at the bottom of the centrifugal fan to change the height of the centrifugal fan, because the weight of the centrifugal fan is heavy now, the process of placing the base plate at the bottom of the centrifugal fan to change the height of the centrifugal fan is time-consuming and laborious. CONTENT

[0003] The utility model discloses a centrifugal fan with flow guide device, the fixed frame and the centrifugal fan main body on it can move through universal wheel, the hydraulic rod in the fixed frame telescopes, makes the sliding frame connected with the hydraulic rod and lifts, can make the universal wheel leave the ground while making the centrifugal fan main body can lift, can make the different lifting plate of screw connection lift through the rotation of the different screw rod on the lifting frame, drives the baffle connected with the lifting plate and lifts, blocks up the certain air outlet of split air pipe, realizes the flow guide processing of split air pipe, when the certain pipe connected with split air pipe needs to increase the wind power, can concentrate the wind power to meet the use.

[0004] The utility model discloses still provide with above-mentioned one kind with flow guide device's centrifugal fan, it includes: fixed frame, the lower surface of fixed frame is provided with universal wheel, the lower bottom wall of fixed frame is fixedly connected with hydraulic rod, the output of hydraulic rod is fixedly connected with sliding frame, the upper surface of fixed frame is fixedly connected with support frame, the inner wall of support frame is installed with centrifugal fan main body, the output of centrifugal fan main body is fixedly connected with split air pipe, the upper surface of split air pipe is fixedly connected with lifting frame, the upper surface of lifting frame is rotatably connected with screw rod, the outer surface of screw rod is threadedly connected with lifting plate, the outer surface of lifting plate is fixedly connected with baffle, the outer surface of baffle is movably connected with split air pipe.

[0005] The centrifugal fan with the flow guide device, the inner side of the lifting frame is fixedly connected with a slide rod frame, the outer surface of the slide rod frame is slidably connected with a lifting plate, the stability of the lifting frame is improved through the support of the slide rod frame, and the lifting of the lifting plate is guided, so that the lifting of the lifting frame is more stable.

[0006] The centrifugal fan with the flow guide device, the outer surface of the fixed frame is fixedly connected with a handle, the upper end of the lead screw is fixedly connected with a grip, the handle makes the movement and adjustment of the fan more convenient, the grip makes the rotation of the lead screw more convenient, the operation comfort is improved, and the fatigue in the use process is reduced.

[0007] The centrifugal fan with the flow guide device, the outer surfaces of the handle and the grip are provided with rubber pads, and the lower surface of the sliding frame is provided with an antiskid pad. The use of the rubber pads and the antiskid pad can significantly improve the friction force, prevent slipping during operation, increase the use safety, the rubber pads provide a soft hand feeling, reduce the discomfort caused by long-time operation, and the antiskid pad can effectively prevent the sliding frame from moving when abutting against the ground.

[0008] The centrifugal fan with the flow guide device, the lower surface of the sliding frame is provided with a through opening, and the inner wall of the through opening is movably connected with a universal wheel. The design of the universal wheel enables the fan to move flexibly in various directions, adapts to a changeable working environment, and the sliding frame with the through opening can be more conveniently abutted against the ground to prevent movement during operation.

[0009] The centrifugal fan with the flow guide device, the outer surface of the centrifugal fan body is fixedly connected with an identification box, and the identification box is internally provided with an identification board. The identification box and the identification board can clearly display the purpose, model and matters needing attention of the fan, and facilitate quick identification of a user.

[0010] The centrifugal fan with the flow guide device, the outer surface of the sliding frame abuts against the inner wall of the fixed frame, and the outer surface of the sliding frame and the inner wall of the fixed frame are smooth surfaces. The design of the smooth surfaces reduces friction in the sliding process, enables the sliding frame to move more smoothly, reduces resistance during operation, and improves work efficiency.

[0011] The centrifugal fan with the flow guide device, the centrifugal fan body is located above the fixed frame, and one end of the split air pipe is fixedly connected with a plurality of pipelines. The use of the plurality of pipelines can enable each region to obtain appropriate air treatment according to requirements.

[0012] Advantageous effects

[0013] 1、Compared with the prior art, the centrifugal fan with a flow guide device, the fixed frame and the centrifugal fan body thereon can be moved through the universal wheel, the hydraulic rod in the fixed frame is telescopic, the sliding frame connected with the hydraulic rod is lifted, the centrifugal fan body can be lifted, and the universal wheel can be away from the ground.

[0014] 2、Compared with the prior art, the centrifugal fan with a flow guide device, different screw rods on the lifting frame can be rotated, different lifting plates connected through threads can be lifted, the baffle connected with the lifting plate is lifted together, a certain air outlet of the split air pipe is blocked, and the flow guide treatment of the split air pipe is realized; when a certain pipeline connected with the split air pipe needs to increase the air force, the air force can be concentrated to meet the use. BRIEF DESCRIPTION OF DRAWINGS

[0015] The utility model will be further explained in connection with the drawings and embodiments:

[0016] Figure 1 It is the overall structural drawing of the centrifugal fan with a flow guide device of the utility model;

[0017] Figure 2 It is the fixed frame connection schematic view of the centrifugal fan with a flow guide device of the utility model;

[0018] Figure 3 It is the support frame connection schematic view of the centrifugal fan with a flow guide device of the utility model;

[0019] Figure 4 It is the lifting frame connection schematic view of the centrifugal fan with a flow guide device of the utility model.

[0020] Legend:

[0021] 1, fixed frame;2, universal wheel;3, hydraulic rod;4, sliding frame;5, support frame;6, centrifugal fan body;7, split air pipe;8, lifting frame;9, screw rod;10, lifting plate;11, baffle;12, slide bar frame;13, handle;14, identification box. DETAILED DESCRIPTION

[0022] This part will describe the specific embodiments of the utility model in detail, the preferred embodiments of the utility model are shown in the drawings, the role of the drawings is to supplement the description of the text part with graphics, so that people can intuitively and visually understand each technical feature and the overall technical scheme of the utility model, but it cannot be understood as the limitation of the protection scope of the utility model.

[0023] Reference Figures 1-4The utility model discloses a centrifugal fan with flow guide device, it includes: fixed frame 1 as the basic support structure of whole device, the lower surface of fixed frame 1 is provided with universal wheel 2, make that centrifugal fan main part 6 is flexible in space Mobile, convenient adjustment position and carrying, the lower bottom wall of fixed frame 1 is fixedly connected with hydraulic pressure rod 3, through telescopic, can make sliding frame 4 go up and down, the output of hydraulic pressure rod 3 is fixedly connected with sliding frame 4, through the lifting, can make centrifugal fan main part 6 go up and down, the upper surface of fixed frame 1 is fixedly connected with support frame 5, provides position for the installation of centrifugal fan main part 6, the inner wall of support frame 5 is installed with centrifugal fan main part 6, is responsible for sucking into air and pressurizing, through the rotation of impeller produces high flow air current, the output of centrifugal fan main part 6 is fixedly connected with split duct 7, transports the air current produced by centrifugal fan main part 6 to different areas, the upper surface of split duct 7 is fixedly connected with lifting frame 8, provides position for the lifting of lifting plate 10, the upper surface of lifting frame 8 is rotatably connected with screw rod 9, through rotating, make screw connection lifting plate 10 can go up and down, the outer surface of screw rod 9 is screw connected with lifting plate 10, drive baffle 11 to go up and down, the outer surface of lifting plate 10 is fixedly connected with baffle 11, adjust and control the flow direction of air current, the outer surface of baffle 11 is movably connected with split duct 7.

[0024] The inner side of lifting frame 8 is fixedly connected with slide bar frame 12, provides guide for the lifting of lifting plate 10, the outer surface of slide bar frame 12 is slidably connected with lifting plate 10, the outer surface of fixed frame 1 is fixedly connected with handle 13, convenient for user operation fixed frame 1 moves, the upper end of screw rod 9 is fixedly connected with handle, the outer surface of handle 13 and handle is provided with rubber pad, the lower surface of sliding frame 4 is provided with antiskid pad, the lower surface of sliding frame 4 is provided with through hole, the inner wall of through hole is movably connected with universal wheel 2, the outer surface of centrifugal fan main part 6 is fixedly connected with identification box 14, is used to store signboard, provides the important information about centrifugal fan main part 6, the inside of identification box 14 is placed with signboard, the outer surface of sliding frame 4 and the inner wall of fixed frame 1 abut, the outer surface of sliding frame 4 and the inner wall of fixed frame 1 are smooth surface, the position of centrifugal fan main part 6 is located above fixed frame 1, one end of split duct 7 is fixedly connected with multiple pipes.

[0025] Working principle: in use, the fixed frame 1 and the centrifugal fan body 6 thereon can be moved through the universal wheel 2, the hydraulic rod 3 in the fixed frame 1 is telescopic, the sliding frame 4 connected with the hydraulic rod 3 is lifted, the centrifugal fan body 6 can be lifted at the same time, the universal wheel 2 can be away from the ground, the height of the centrifugal fan body 6 can be adjusted according to the installation height of the pipeline, the staff does not need to lift the centrifugal fan body 6, the labor intensity of the staff is reduced; different lifting plates 10 connected through screw threads can be lifted through rotating different screw rods 9 on the lifting frame 8, drive the baffle 11 connected with the lifting plate 10 to lift together, block some air outlets of the split air pipe 7, realize the flow guiding treatment of the split air pipe 7, when some pipeline connected with the split air pipe 7 needs to increase the wind power, the wind power can be concentrated to meet the use.

[0026] The utility model has been explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiments, and various changes can be made within the knowledge range possessed by ordinary skilled in the art without departing from the purpose of the utility model.

Claims

1. A centrifugal fan with flow guiding means, characterized in that Include: The lower surface of the fixed frame (1) is provided with universal wheel (2), the lower bottom wall of the fixed frame (1) is fixedly connected with hydraulic rod (3), the output end of the hydraulic rod (3) is fixedly connected with sliding frame (4), the upper surface of the fixed frame (1) is fixedly connected with support frame (5), the inner wall of the support frame (5) is installed with centrifugal fan body (6), the output end of the centrifugal fan body (6) is fixedly connected with split wind pipe (7), the upper surface of the split wind pipe (7) is fixedly connected with lifting frame (8), the upper surface of the lifting frame (8) is rotatably connected with lead screw (9), the outer surface of the lead screw (9) is threadedly connected with lifting plate (10), the outer surface of the lifting plate (10) is fixedly connected with baffle (11), the outer surface of the baffle (11) is movably connected with split wind pipe (7).

2. A centrifugal fan with a flow guiding device according to claim 1, characterized in that The inner side of the lifting frame (8) is fixedly connected with slide rod frame (12), and the outer surface of the slide rod frame (12) is slidably connected with the lifting plate (10).

3. A centrifugal fan with a flow guiding device according to claim 1, characterized in that The outer surface of the handle (13) and the grip are provided with rubber pads, and the lower surface of the sliding frame (4) is provided with anti-skid pads.

4. A centrifugal fan with a flow guiding device according to claim 3, characterized in that The lower surface of the sliding frame (4) is provided with a through opening, and the inner wall of the through opening is movably connected with the universal wheel (2).

5. A centrifugal fan with a flow guiding device according to claim 1, characterized in that The outer surface of the centrifugal fan body (6) is fixedly connected with identification box (14), and the identification box (14) is placed with identification board.

6. A centrifugal fan with a flow guiding device according to claim 1, characterized in that The outer surface of the sliding frame (4) abuts against the inner wall of the fixed frame (1), and the outer surface of the sliding frame (4) and the inner wall of the fixed frame (1) are smooth surfaces.

7. A centrifugal fan with a flow guiding device according to claim 1, characterized in that The position of the centrifugal fan body (6) is above the fixed frame (1), and one end of the split wind pipe (7) is fixedly connected with a plurality of pipes.

8. A centrifugal fan with a flow guiding device according to claim 1, characterized in that ​