Novel centrifugal fan air inlet adjusting valve

Abstract

The utility model discloses a novel centrifugal fan air inlet adjusting valve which comprises a shell, a hydraulic push rod is arranged on one side of the shell, a first motor is arranged on the other side of the shell, a fan is fixedly connected to one side of the first motor, an opening and closing plate is arranged on one side of the shell, and a screening plate is arranged behind the opening and closing plate. An activated carbon adsorption layer is arranged in front of the fan, a louver valve is arranged in front of the activated carbon adsorption layer, and second motors are fixedly connected to the louver valve in a vertically symmetrical mode. By means of the structure, the louver valve and the opening and closing plate precisely control the air inlet amount, the screening plate screens large impurities in air, the activated carbon adsorption layer adsorbs small particles in air, and the situation that the service life of the fan is affected after long-time use is prevented.

Description

TECHNICAL FIELD

[0001] The utility model relates to centrifugal fan technical field especially relates to a novel centrifugal fan air intake regulating valve. BACKGROUND

[0002] Centrifugal fan air intake regulating valve is widely used in the ventilation and air conditioning equipment of power, chemical industry, pharmacy, food industry and other industries, and provides strong support for the efficient operation and intelligent control of fan system.

[0003] The traditional centrifugal fan air intake regulating valve is often rough in air volume adjustment, and cannot accurately adjust the air volume, if the air contains a lot of dust, impurities and the like, the regulating valve may be blocked, corroded or damaged inside, affecting its normal operation and service life. UTILITY MODEL CONTENT

[0004] The utility model discloses a novel centrifugal fan air intake regulating valve, which can accurately control the size of air intake, remove impurities in the air and prolong the service life.

[0005] In order to realize the above-mentioned purpose, a novel centrifugal fan air intake regulating valve is provided, which comprises a shell, a hydraulic push rod is arranged on one side of the shell, a first motor is arranged on the other side of the shell, a fan is fixedly connected on one side of the first motor, an opening and closing plate is arranged on one side of the shell, a screening plate is arranged behind the opening and closing plate, an activated carbon adsorption layer is arranged in front of the fan, a louver valve is arranged in front of the activated carbon adsorption layer, and a second motor is fixedly connected on the louver valve in a symmetrical manner.

[0006] According to the novel centrifugal fan air intake regulating valve, a threaded hole is arranged on the shell, and a support frame is fixedly connected to the shell.

[0007] According to the novel centrifugal fan air intake regulating valve, the hydraulic push rod is fixedly connected to the support frame.

[0008] According to the novel centrifugal fan air intake regulating valve, a fixing frame is fixedly connected to one side of the shell, and a fixing block is fixedly connected below the fixing frame.

[0009] According to the novel centrifugal fan air intake regulating valve, a fixing ring is fixedly connected to the shell, and the first motor is fixedly connected to the fixing block.

[0010] According to the novel centrifugal fan air intake regulating valve, the screening plate is fixedly connected to the inside of the shell, and the activated carbon adsorption layer is fixedly connected to the inside of the shell.

[0011] According to the novel centrifugal fan air intake regulating valve, the louver valve is slidingly connected to the shell, and the second motor is fixedly connected to the fixing ring.

[0012] Advantages:

[0013] 1、The utility model discloses a front is equipped with the open -and -close board, and according to the different air intake of open -and -close board opening size, the open -and -close board opening and closing are controlled to the hydraulic push rod, and the open -and -close board rear is equipped with the louver valve, and the louver valve angle change is driven to the second motor, and the accuracy of further control smaller air intake of the louver valve improves the precision of air intake.

[0014] 2、The utility model discloses a front is equipped with the screening board, and the large impurity in air is screened out first, and the activated carbon adsorption layer is equipped behind the screening board, and the activated carbon adsorption layer further removes the small particle impurity in air, prevents the fan from being blocked, prevents the normal use from being affected, improves the life.

[0015] The additional aspects and advantages of the utility model will be partly given in the following description, and some will become obvious from the following description or be understood through the practice of the utility model. DESCRIPTION OF DRAWINGS

[0016] The utility model will be further illustrated below in combination with the drawings and examples;

[0017] Figure 1 A perspective view of a novel centrifugal fan air inlet regulating valve is provided for the utility model;

[0018] Figure 2 A sectional view of a novel centrifugal fan air inlet regulating valve is provided for the utility model;

[0019] Figure 3 A perspective view of a novel centrifugal fan air inlet regulating valve is provided for the utility model; Figure 2 The enlarged view of A in the middle.

[0020] Legend:

[0021] 1, shell, 2, screw hole, 3, support frame, 4, hydraulic push rod, 5, fixed frame, 6, fixed block, 7, first motor, 8, fan, 9, fixed ring, 10, open -and -close board, 11, screening board, 12, activated carbon adsorption layer, 13, louver valve, 14, second motor. DETAILED DESCRIPTION

[0022] This part will describe the specific embodiment of the utility model in detail, and the preferred embodiment of the utility model is shown in the drawings, and the effect of the drawings is to supplement the description of the written 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] Refer to Figures 1-3The utility model discloses a novel centrifugal fan air intake regulating valve, it includes the shell 1, the shell 1 one side is provided with hydraulic push rod 4, the shell 1 other side is provided with first motor 7, first motor 7 one side is fixedly connected with fan 8, and first motor 7 drives fan 8 rotation, and the shell 1 one side is provided with the hinged door 10, and the hinged door 10 rear is provided with screening plate 11, and fan 8 front is provided with active carbon adsorption layer 12, and active carbon adsorption layer 12 front is provided with louvre valve 13, and louvre valve 13 further controls the precision of small air intake, and louvre valve 13 is fixedly connected with second motor 14 in symmetry up and down.

[0024] The shell 1 is provided with threaded hole 2, is used for fixed connection to the fan, and the shell 1 is fixedly connected with support frame 3.

[0025] Hydraulic push rod 4 is fixedly connected with support frame 3, and hydraulic push rod 4 drives the hinged door 10 to open and shut, and first step control air intake size.

[0026] The shell 1 one side is fixedly connected with fixed frame 5, and fixed frame 5 lower fixedly connected with fixed block 6.

[0027] The shell 1 is fixedly connected with fixed ring 9, is used for fixed second motor 14, and first motor 7 is fixedly connected in fixed block 6.

[0028] Screening plate 11 is fixedly connected in the shell 1 interior, and screening plate 11 first step removes the large impurity in air, and active carbon adsorption layer 12 is fixedly connected in the shell 1 interior, is used for further removing the small particle in air, prevents fan 8 from being blocked.

[0029] Louvre valve 13 is slidably connected in the shell 1, and second motor 14 is fixedly connected in fixed ring 9, and second motor 14 drives louvre valve 13 to realize angle adjustment.

[0030] Working principle: first determine how much air intake, and hydraulic push rod 4 drives hinged door 10 to move to the appropriate position, and second motor 14 drives louvre valve 13 to rotate to the appropriate angle, then fan 8 is driven to start rotating by first motor 7, air enters, and air enters first through screening plate 11, and screening plate 11 removes the large impurity in air, subsequently through louvre valve 13 enters active carbon adsorption layer 12, and active carbon adsorption layer 12 further removes the small particle in air, prevents fan 8 from being blocked, and influences normal use, and subsequently air is sent into the fan.

[0031] The utility model has been explained in detail above in connection with the drawings, but the utility model is not limited to the above embodiment, within the knowledge scope of ordinary skill in the art of the technical field, still can make various changes without departing from the utility model's purpose.

Claims

1. A novel centrifugal fan inlet regulating valve, comprising a housing (1), characterized in that: A hydraulic push rod (4) is provided on one side of the outer shell (1), a first motor (7) is provided on the other side of the outer shell (1), a fan (8) is fixedly connected to one side of the first motor (7), an opening and closing plate (10) is provided on one side of the outer shell (1), a screening plate (11) is provided behind the opening and closing plate (10), an activated carbon adsorption layer (12) is provided in front of the fan (8), a louvered valve (13) is provided in front of the activated carbon adsorption layer (12), and a second motor (14) is fixedly connected symmetrically above and below the louvered valve (13).

2. The novel centrifugal fan inlet regulating valve according to claim 1, characterized in that, The outer shell (1) is provided with a threaded hole (2), and a support frame (3) is fixedly connected to the outer shell (1).

3. The novel centrifugal fan inlet regulating valve according to claim 1, characterized in that, The hydraulic push rod (4) is fixedly connected to the support frame (3).

4. The novel centrifugal fan inlet regulating valve according to claim 1, characterized in that, A fixing frame (5) is fixedly connected to one side of the outer shell (1), and a fixing block (6) is fixedly connected below the fixing frame (5).

5. A novel centrifugal fan inlet regulating valve according to claim 1, characterized in that, A fixing ring (9) is fixedly connected to the outer shell (1), and the first motor (7) is fixedly connected to the fixing block (6).

6. The novel centrifugal fan inlet regulating valve according to claim 1, characterized in that, The screening plate (11) is fixedly connected to the inside of the outer shell (1), and the activated carbon adsorption layer (12) is fixedly connected to the inside of the outer shell (1).

7. A novel centrifugal fan inlet regulating valve according to claim 1, characterized in that, The louvered valve (13) is slidably connected to the outer shell (1), and the second motor (14) is fixedly connected to the fixing ring (9).

Images