Centrifugal fan convenient to mount and dismount

Abstract

The centrifugal fan convenient to mount and dismount comprises a centrifugal fan body, a mounting base is mounted at the bottom of the centrifugal fan body through screws, moving grooves are formed in the two ends of the mounting base, moving blocks are slidably connected into the moving grooves, fixing screw rods are arranged in the moving blocks, and the fixing screw rods are connected with the mounting base through screws. Clamping rods are welded to the two ends of the mounting base, spring telescopic rods are mounted at the two ends of the top of the moving block through screws, and one ends of the two spring telescopic rods are connected through a clamping strip. And personnel do not need to align at each mounting hole for mounting, so that the mounting efficiency of the centrifugal fan body is improved, the mounting difficulty of the centrifugal fan body is reduced, meanwhile, the problem that the fixing screws are loosened after mounting is completed can be prevented, and the stability of the centrifugal fan body after mounting is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of centrifugal fans, in particular to a centrifugal fan which is easy to install and disassemble. Background Art

[0002] A centrifugal fan is a machine that relies on input mechanical energy to increase gas pressure and discharge gas. It is a driven fluid machine. Centrifugal fans are widely used in ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings, ventilation and air intake of boilers and industrial furnaces, cooling and ventilation in air conditioning equipment and household appliances, and drying and conveying of grains.

[0003] In current life, centrifugal fans are fixed by screws, but the mounting holes are generally fixed, which requires personnel to constantly adjust the position of the centrifugal fans so that the mounting holes on the centrifugal fans correspond to the mounting holes on the ground. The centrifugal fans are heavy, which makes it inconvenient for personnel to adjust, resulting in low efficiency in installing the centrifugal fans and high labor intensity in installing the centrifugal fans. Utility Model Content

[0004] The utility model provides a centrifugal fan which is easy to install and disassemble, and can effectively solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a centrifugal fan that is easy to install and disassemble, comprising a centrifugal fan body, a mounting base being mounted on the bottom of the centrifugal fan body by screws;

[0006] An adjustment mechanism is installed on the outer side of the mounting base, and the adjustment mechanism includes a moving groove, a moving block, a fixing screw, a clamping rod, a spring telescopic rod, a clamping strip, a spring telescopic column and a limit block;

[0007] Both ends of the mounting base are provided with moving grooves, a moving block is slidably connected inside the moving groove, a fixing screw is arranged inside the moving block, clamping rods are welded at both ends of the mounting base, spring telescopic rods are installed at both ends of the top of the moving block by screws, one end of the two spring telescopic rods is connected by a clamping strip, one end of the clamping strip is installed with a spring telescopic column by screws, and one end of the spring telescopic column is installed with a limiting block by screws.

[0008] Preferably, the longitudinal sections of the moving groove and the moving block are both cross-shaped, and the inner diameter of the moving groove is equal to the outer diameter of the moving block.

[0009] Preferably, the clamping strip is meshingly connected with the clamping rod.

[0010] Preferably, a limiting groove is provided at a position of the fixing screw corresponding to the limiting block, and the outer diameter of the limiting block is equal to the inner diameter of the limiting groove.

[0011] Preferably, a filter cleaning assembly is installed at one end of the centrifugal fan body, and the filter cleaning assembly includes a filter screen, a rotating block, a cleaning rod, an insertion slot, a clamping slot and a clamping block;

[0012] An insertion slot is provided at one end of the centrifugal fan body, a card slot is provided at one end of the insertion slot, a card block is embedded and installed inside the card slot, one end of several card blocks are connected through a filter screen, a rotating block is embedded and rotatably connected inside one end of the filter screen, and a cleaning rod is installed at one end of the rotating block through a screw.

[0013] Preferably, the longitudinal section of the rotating block is T-shaped.

[0014] Preferably, the width of the card block is smaller than the width of the insertion slot, and the width of the card slot is equal to the width of the card block.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the utility model has a scientific and reasonable structure and is safe and convenient to use:

[0016] It is convenient to install the centrifugal fan body at different positions, and there is no need for personnel to align each installation hole before installation, thereby improving the installation efficiency of the centrifugal fan body and reducing the difficulty of installing the centrifugal fan body. After the installation of the fixing screw is completed, the personnel stretch the spring telescopic column to move the limit block to the inside of the fixing screw to limit the fixing screw to prevent the fixing screw from loosening after the installation is completed, thereby ensuring the stability of the centrifugal fan body after installation;

[0017] It is convenient for personnel to install and remove the filter, and the efficiency of installing and removing the filter is improved. Through the use of the filter, large foreign matter can be prevented from entering the centrifugal fan body, causing damage to the centrifugal fan body. When personnel need to clean the filter, they can clean the filter by turning the cleaning rod, which improves the efficiency of filter cleaning. There is no need for personnel to find cleaning tools for cleaning, and the difficulty of cleaning the filter is reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0019] In the attached picture:

[0020] Figure 1 It is a structural schematic diagram of the utility model;

[0021] Figure 2 It is a schematic diagram of the structure of the mobile slot opening of the utility model;

[0022] Figure 3The utility model Figure 2 A schematic diagram of the regional structure;

[0023] Figure 4 It is a schematic diagram of the structure of the filter cleaning component of the utility model;

[0024] Numbers in the figure: 1. Centrifugal fan body; 2. Mounting base;

[0025] 3. Adjustment mechanism; 301. Moving slot; 302. Moving block; 303. Fixing screw; 304. Clamping rod; 305. Spring telescopic rod; 306. Clamping strip; 307. Spring telescopic column; 308. Limiting block;

[0026] 4. Filter cleaning assembly; 401. Filter screen; 402. Rotating block; 403. Cleaning rod; 404. Insertion slot; 405. Card slot; 406. Card block. DETAILED DESCRIPTION

[0027] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention, and are not used to limit the present invention.

[0028] Example: Figure 1-4 As shown, the utility model provides a technical solution, a centrifugal fan that is easy to install and disassemble, including a centrifugal fan body 1, and a mounting base 2 is installed at the bottom of the centrifugal fan body 1 by screws;

[0029] An adjustment mechanism 3 is installed on the outer side of the mounting base 2, and the adjustment mechanism 3 includes a moving groove 301, a moving block 302, a fixing screw 303, a clamping rod 304, a spring telescopic rod 305, a clamping strip 306, a spring telescopic column 307 and a limit block 308;

[0030] Both ends of the mounting base 2 are provided with moving grooves 301, and a moving block 302 is slidably connected inside the moving grooves 301. The longitudinal sections of the moving grooves 301 and the moving block 302 are both cross-shaped. The inner diameter of the moving grooves 301 is equal to the outer diameter of the moving block 302, so as to ensure the stability of the movement of the moving block 302 and avoid the problem of the moving block 302 falling. A fixing screw 303 is arranged inside the moving block 302, and a clamping rod 304 is welded at both ends of the mounting base 2. Spring telescopic rods 305 are installed at both ends of the top of the moving block 302 by screws. The two spring telescopic rods 303 are arranged inside the moving block 302. One end of the fixing strip 306 is connected by a clamping strip 306, and the clamping strip 306 is meshed with the clamping rod 304, so as to fix the clamping strip 306 and then fix the moving block 302. A spring telescopic column 307 is installed at one end of the clamping strip 306 by screws, and a limit block 308 is installed at one end of the spring telescopic column 307 by screws. A limit groove is provided at the position of the fixed screw 303 corresponding to the limit block 308. The outer diameter of the limit block 308 is equal to the inner diameter of the limit groove, so as to limit the fixed screw 303, ensure the stability of the fixed screw 303 after being fixed, and prevent the fixed screw 303 from loosening.

[0031] A filter cleaning assembly 4 is installed at one end of the centrifugal fan body 1, and the filter cleaning assembly 4 includes a filter screen 401, a rotating block 402, a cleaning rod 403, an insertion slot 404, a clamping slot 405 and a clamping block 406;

[0032] An insertion slot 404 is provided at one end of the centrifugal fan body 1, and a card slot 405 is provided at one end of the insertion slot 404. A card block 406 is embedded and installed inside the card slot 405. The width of the card block 406 is smaller than the width of the insertion slot 404, and the width of the card slot 405 is equal to the width of the card block 406, which is convenient for taking out the card block 406 from the inside of the insertion slot 404 and can make the card block 406 more stably fixed. One end of several card blocks 406 are connected by a filter screen 401, and a rotating block 402 is embedded and rotatably connected at one end of the filter screen 401. The longitudinal section of the rotating block 402 is T-shaped, which ensures the rotation of the cleaning rod 403 and avoids the problem of the cleaning rod 403 falling off. The cleaning rod 403 is installed at one end of the rotating block 402 by a screw.

[0033] The personnel moves the filter 401 to move the block 406 into the insertion slot 404, and then rotates the filter 401 to move the block 406 into the slot 405 to fix the filter 401, making it easier for the personnel to install and remove the filter 401, thereby improving the efficiency of installing and removing the filter 401. Through the use of the filter 401, large foreign matter from the outside is prevented from entering the centrifugal fan body 1, causing damage to the centrifugal fan body 1. When the personnel need to clean the filter 401, the personnel can rotate the cleaning rod 403 to facilitate the cleaning of the filter 401, thereby improving the efficiency of cleaning the filter 401. There is no need for the personnel to find cleaning tools for cleaning, thereby reducing the difficulty of cleaning the filter 401.

[0034] When installing the centrifugal fan body 1, the personnel move the mounting base 2 to a suitable position, then overlap the through hole on a moving block 302 with the mounting hole, and then fix it with the fixing screw 303. Then the personnel move the clamping strip 306 to compress the spring telescopic rod 305, so that the clamping strip 306 is separated from the clamping rod 304. Then the personnel move the remaining three moving blocks 302 in the above manner to correspond to the positions of the mounting holes, and then fix them with the fixing screw 303, and then stretch the spring telescopic rod 305 to engage the clamping strip 306 and the clamping rod 304. 2 fixation, personnel can move the moving block 302 to correspond to the mounting hole, thereby facilitating the installation of the centrifugal fan body 1 at different positions, and there is no need for personnel to align each mounting hole before installation, thereby improving the installation efficiency of the centrifugal fan body 1 and reducing the installation difficulty of the centrifugal fan body 1. After the fixing screw 303 is installed, the personnel stretch the spring telescopic column 307 to move the limiting block 308 to the inside of the fixing screw 303, limit the fixing screw 303, prevent the fixing screw 303 from loosening after the installation is completed, and thereby ensure the stability of the centrifugal fan body 1 after installation.

[0035] Finally, it should be noted that the above description is only a preferred example of the present utility model and is not intended to limit the present utility model. Although the present utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions described in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model shall be included in the protection scope of the present utility model.

Claims

1. A centrifugal fan that is easy to install and disassemble, comprising a centrifugal fan body (1), characterized in that: A mounting base (2) is mounted on the bottom of the centrifugal fan body (1) by means of screws; An adjustment mechanism (3) is installed on the outer side of the mounting base (2), and the adjustment mechanism (3) comprises a moving groove (301), a moving block (302), a fixing screw (303), a clamping rod (304), a spring telescopic rod (305), a clamping strip (306), a spring telescopic column (307) and a limit block (308); Both ends of the mounting base (2) are provided with moving grooves (301), a moving block (302) is slidably connected inside the moving groove (301), a fixing screw (303) is arranged inside the moving block (302), both ends of the mounting base (2) are welded with clamping rods (304), both ends of the top of the moving block (302) are installed with spring telescopic rods (305) by screws, one end of the two spring telescopic rods (305) are connected by a clamping strip (306), one end of the clamping strip (306) is installed with a spring telescopic column (307) by screws, and one end of the spring telescopic column (307) is installed with a limit block (308) by screws.

2. A centrifugal fan that is easy to install and disassemble according to claim 1, characterized in that: The longitudinal sections of the moving groove (301) and the moving block (302) are both cross-shaped, and the inner diameter of the moving groove (301) is equal to the outer diameter of the moving block (302).

3. A centrifugal fan that is easy to install and disassemble according to claim 1, characterized in that: The clamping strip (306) is meshingly connected with the clamping rod (304).

4. The centrifugal fan that is easy to install and disassemble according to claim 1, characterized in that: The fixing screw rod (303) is provided with a limiting groove at a position corresponding to the limiting block (308), and the outer diameter of the limiting block (308) is equal to the inner diameter of the limiting groove.

5. The centrifugal fan that is easy to install and disassemble according to claim 1, characterized in that: A filter cleaning assembly (4) is installed at one end of the centrifugal fan body (1), and the filter cleaning assembly (4) comprises a filter screen (401), a rotating block (402), a cleaning rod (403), an insertion slot (404), a clamping slot (405) and a clamping block (406); An insertion slot (404) is provided at one end of the centrifugal fan body (1), a clamping slot (405) is provided at one end of the insertion slot (404), a clamping block (406) is embedded and installed inside the clamping slot (405), one end of a plurality of the clamping blocks (406) are connected through a filter screen (401), a rotating block (402) is embedded and rotatably connected inside one end of the filter screen (401), and a cleaning rod (403) is installed at one end of the rotating block (402) through a screw.

6. A centrifugal fan that is easy to install and disassemble according to claim 5, characterized in that: The longitudinal section of the rotating block (402) is T-shaped.

7. The centrifugal fan that is easy to install and disassemble according to claim 5, characterized in that: The width of the card block (406) is smaller than the width of the insertion slot (404), and the width of the card slot (405) is equal to the width of the card block (406).

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