Centrifugal fan convenient to disassemble

By improving the structural design of the centrifugal fan and using components such as bearing pillars and sliding pillars, the rapid disassembly and maintenance of fan components is achieved, solving the problem of difficulty in disassemblying traditional centrifugal fans, improving maintenance efficiency and reducing costs.

CN223203283UActive Publication Date: 2025-08-08TIANJIN HUAYUAN ENVIRONMENTAL PROTECTION TECH CO LTD
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Patent Information

Application Number
CN202422615844.9
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-10-29
Publication Date
2025-08-08
Estimated Expiration
2034-10-29

AI Technical Summary

Technical Problem

The structure design of traditional centrifugal fans is complex and it is difficult to quickly disassemble each component, resulting in long maintenance time and high cost, which affects production efficiency.

Method used

Structures such as load-bearing pillars, load-bearing side columns, load-bearing pillars and load-bearing pillars are designed. Through the cooperation of sliding pillars and locking bolts, the fan frame and the fan frame are quickly sealed, connected and disassembled, which is convenient for the replacement and maintenance of air supply components.

Benefits of technology

The rapid disassembly and maintenance of centrifugal fans is realized, reducing maintenance time and cost, and improving production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a centrifugal fan convenient to disassemble, which relates to the technical field of centrifugal fan assembly structures and comprises a bearing support column, a bearing side column, a bearing sliding column and a bearing support column. An assembling sliding groove is formed in the side face of the bearing supporting column in a penetrating mode. The bearing side columns are arranged on the side faces of the bearing supporting columns. The bearing sliding column is fixedly installed on the side face of the bearing supporting column. The bearing pillar is fixedly installed at the top of the assembly side column, a shielding support frame is fixedly installed at the top end of the bearing pillar, and a rotating support frame is fixedly arranged on the side face of one end of the shielding support frame; according to the centrifugal fan convenient to disassemble, the locking bolts are matched with the locking open holes so that the sliding supporting columns can be locked in a sliding adjustment mode, the bearing side columns carry out bearing of the fixed position on the fan shielding frame, and therefore the fan shielding frame and the fan supporting frame can be rapidly in sealed butt joint and disassembled; therefore, an air supply component arranged on the centrifugal fan can be replaced and maintained conveniently.
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Description

Technical Field

[0001] The utility model belongs to the technical field of centrifugal fan assembly structures, and more specifically, relates to a centrifugal fan that is easy to disassemble. Background Art

[0002] Centrifugal fans are a commonly used fluid conveying equipment and are widely used in many fields such as industry, construction, and environmental protection. The main function of centrifugal fans is to generate centrifugal force through the rotation of the impeller, accelerate the gas and change the flow direction, thereby achieving wind transportation. Although there are some improved designs of centrifugal fans on the market, there are still certain limitations.

[0003] Based on the above, the structural design of the current traditional centrifugal fan is relatively complex, and it is difficult to quickly assemble and disassemble the components. Due to the difficulty in disassembly, maintenance personnel need to spend more time and energy on repairs, thereby increasing maintenance costs. At the same time, the centrifugal fan requires a long downtime during the disassembly and maintenance process, affecting production efficiency. Utility Model Content

[0004] In order to solve the above technical problems, the utility model provides a centrifugal fan that is easy to disassemble, so as to solve the problem that the structural design of traditional centrifugal fans is relatively complex and the components are difficult to be quickly combined and disassembled. Due to the difficulty in disassembly, maintenance personnel need to spend more time and energy on repairs, thereby increasing maintenance costs. At the same time, the centrifugal fan requires a long downtime during the disassembly and maintenance process, affecting production efficiency.

[0005] The utility model provides a centrifugal fan that is easy to disassemble, which is achieved by the following specific technical means:

[0006] A centrifugal fan that is easy to disassemble comprises a bearing support column, a bearing side column, a bearing sliding column and a load-bearing column;

[0007] The side of the bearing pillar is provided with an assembly slot, and the top of the bearing pillar is fixedly installed with a fan support frame; the bearing side pillar is arranged on the side of the bearing pillar, and a fan shielding frame is fixedly provided on the top of the bearing side pillar, and a locking support block is fixedly provided on the outside of the fan shielding frame; the bearing sliding column is fixedly installed on the side of the bearing pillar, and a locking support slot is provided on the side of the bearing sliding column, and a sliding sleeve on the outside of the bearing sliding column is provided with a sliding support, a positioning bolt is provided on the side of the sliding support, and an assembly side pillar is fixedly installed on the side of the sliding support; the load-bearing pillar is fixedly installed on the top of the assembly side pillar, and a shielding support frame is fixedly installed on the top of the load-bearing pillar, and a rotating support frame is fixedly provided on the side of one end of the shielding support frame, a drive shaft block is rotatably provided on the inner side of the rotating support frame, and a transmission slot is provided on the side of the drive shaft block.

[0008] Furthermore, the two sides of the bearing pillar are also provided with: a positioning support frame, a locking bolt, a bearing support, a transmission shaft seat and a transmission block;

[0009] The positioning support frame is fixedly installed on both sides of the bearing pillar; the locking bolt is set at one end of the positioning support frame; the bearing support is fixedly installed on the top of the positioning support frame; the transmission shaft seat is fixedly installed on the top of the bearing support; the transmission block is fixedly installed on one end of the rotating shaft inside the transmission shaft seat.

[0010] Furthermore, the side surface of the load-bearing side column is also provided with: a sliding support and a locking opening;

[0011] The sliding pillar is fixedly installed on the side of the load-bearing side pillar, and the sliding pillar is slidably arranged on the inner side of the positioning support frame and the assembly slide groove; the locking opening is opened at one end of the sliding pillar.

[0012] Furthermore, the top of the sliding support is also provided with: a driving motor and a driving gear cylinder;

[0013] The driving motor is fixedly installed on the top of the sliding support; the driving gear cylinder is fixedly sleeved on the outer side of the driving motor rotating shaft.

[0014] Furthermore, the side of the fan support frame is also provided with: a positioning support block and a docking bolt;

[0015] A positioning support block is fixedly arranged on the outer side of the fan support frame; a docking bolt is arranged on the inner side of the positioning support block.

[0016] Furthermore, the side of the drive shaft block is also provided with: a transmission gear cylinder and a transmission toothed belt;

[0017] The transmission gear cylinder is fixedly sleeved on the outside of the driving shaft block; the transmission toothed belt is sleeved on the outsides of the transmission gear cylinder and the driving gear cylinder.

[0018] Compared with the prior art, the centrifugal fan that is easy to disassemble described in the utility model has the following beneficial effects:

[0019] (1) The utility model discloses a centrifugal fan that is easy to disassemble. The centrifugal fan is provided with a bearing support and a bearing side column. The sliding support cooperates with the positioning support frame to support the bearing side column as a whole for sliding adjustment. At the same time, the locking bolt cooperates with the locking opening to lock the sliding support. The bearing side column supports the fan shield frame in a fixed position, so that the fan shield frame and the fan support frame can be quickly sealed and disassembled, so as to facilitate the replacement and maintenance of the air supply components provided in the centrifugal fan.

[0020] (2) The utility model describes a centrifugal fan that is easy to disassemble. The bearing slide column and the load-bearing pillar are provided. The bearing slide column can carry the sliding support and the assembly side column for sliding adjustment, and simultaneously support the load-bearing pillar for sliding adjustment. The driving components carried by the load-bearing pillar and the fan support frame can be quickly disassembled to facilitate independent maintenance and replacement of the driving components. At the same time, the load-bearing pillar supports the shielding support frame for position adjustment, so that the driving shaft block is engaged with the transmission slot and the transmission block. The driving motor can drive the driving shaft block to rotate through the driving gear cylinder and the transmission belt, so that the driving shaft block can drive the transmission block to rotate by engaging with the transmission slot, and the transmission shaft seat drives the fan shielding frame and the conveying components inside the fan support frame to rotate. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The accompanying drawings, which constitute a part of the present invention, are used to provide a further understanding of the present invention. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation to the present invention.

[0022] In the attached figure:

[0023] Figure 1 This is a structural diagram of the assembly arrangement of the entire components of the centrifugal fan of the present invention;

[0024] Figure 2 This is a structural diagram of the split arrangement of the entire components of the centrifugal fan of the utility model;

[0025] Figure 3 This is a structural diagram of the assembly and disassembly of the entire component of the load-bearing support column of the present invention;

[0026] Figure 4 This is a schematic diagram of the structure of the split arrangement of the integral component structure of the load-bearing side column of the utility model;

[0027] Figure 5 This is a schematic diagram of the structure of the split arrangement of the entire structure of the load-bearing sliding column of the utility model;

[0028] Figure 6 It is a structural schematic diagram of the disassembled arrangement of the integral component structure of the load-bearing pillar of the utility model.

[0029] Reference numerals:

[0030] 1- load-bearing pillar;

[0031] 101- positioning support frame; 102- locking bolt; 103- bearing support; 104- transmission shaft seat; 105- transmission block; 106- fan support frame; 107- positioning support block; 108- docking bolt; 109- assembly slide;

[0032] 2- load-bearing side columns;

[0033] 201-sliding support; 202-locking opening; 203-fan shielding frame; 204-locking support block;

[0034] 3- load-bearing sliding column;

[0035] 301-locking support groove; 302-sliding support; 303-positioning bolt; 304-assembly side column; 305-driving motor; 306-driving gear cylinder;

[0036] 4- load-bearing pillars;

[0037] 401 - shielding support frame; 402 - rotating support frame; 403 - driving shaft block; 404 - transmission slot; 405 - transmission gear cylinder; 406 - transmission toothed belt. DETAILED DESCRIPTION

[0038] It should be noted that, in the absence of conflict, the embodiments of the present invention and the features therein can be combined with each other.

[0039] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first", "second", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, features defined as "first", "second", etc. may explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise specified, "multiple" means two or more.

[0040] In the description of this utility model, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; mechanical connections, electrical connections; direct connections, indirect connections through an intermediate medium, and internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances.

[0041] The present invention will be described in detail below with reference to the accompanying drawings and in combination with embodiments.

[0042] Example 1: Figures 1 to 6 As shown, the utility model provides a centrifugal fan that is easy to disassemble, including a bearing support column 1, a bearing side column 2, a bearing sliding column 3 and a load-bearing column 4;

[0043] An assembly slot 109 is provided through the side of the bearing pillar 1, and a fan support frame 106 is fixedly installed on the top of the bearing pillar 1; the bearing side pillar 2 is arranged on the side of the bearing pillar 1, and a fan shielding frame 203 is fixedly provided on the top of the bearing side pillar 2, and a locking support block 204 is fixedly provided on the outside of the fan shielding frame 203; the bearing sliding column 3 is fixedly installed on the side of the bearing pillar 1, and a locking support slot 301 is provided through the side of the bearing sliding column 3, and a sliding support 302 is provided on the sliding support 302. A positioning bolt 303 is provided on the side of the sliding support 302, and an assembly side pillar 304 is fixedly installed on the side of the sliding support 302; the load-bearing pillar 4 is fixedly installed on the top of the assembly side pillar 304, and a shielding support frame 401 is fixedly installed on the top of the load-bearing pillar 4, and a rotating support frame 402 is fixedly provided on one end side of the shielding support frame 401, and a driving shaft block 403 is rotatably provided on the inner side of the rotating support frame 402, and a transmission slot 404 is provided on the side of the driving shaft block 403.

[0044] Example 2: Figures 3 to 6 As shown, the top of the sliding support 302 is also provided with: a driving motor 305 and a driving gear cylinder 306; the driving motor 305 is fixedly installed on the top of the sliding support 302; the driving gear cylinder 306 is fixedly sleeved on the outside of the rotating shaft of the driving motor 305; the side of the fan support frame 106 is also provided with: a positioning support block 107 and a docking bolt 108; the positioning support block 107 is fixedly provided on the outside of the fan support frame 106; the docking bolt 108 is provided on the inside of the positioning support block 107; the side of the driving shaft block 403 is also provided with: a transmission gear cylinder 405 and a transmission toothed belt 406; the transmission gear cylinder 405 is fixedly sleeved on the outside of the driving shaft block 403; the transmission toothed belt 406 is sleeved on the outside of the transmission gear cylinder 405 and the driving gear cylinder 306; the transmission gear cylinder 405 cooperates with the transmission toothed belt 406 to drive the driving shaft block 403 to rotate.

[0045] Example 3: Figures 2 to 5As shown, both sides of the bearing pillar 1 are also provided with: a positioning support frame 101, a locking bolt 102, a bearing support 103, a transmission shaft seat 104 and a transmission block 105; the positioning support frame 101 is fixedly installed on both sides of the bearing pillar 1; the locking bolt 102 is arranged at one end of the positioning support frame 101; the bearing support 103 is fixedly installed on the top of the positioning support frame 101; the transmission shaft seat 104 is fixedly installed on the top of the bearing support 103; the transmission block 105 is fixedly installed on one end of the rotating shaft inside the transmission shaft seat 104; the side of the bearing side column 2 is also provided with: a sliding pillar 201 and a locking opening 202; the sliding pillar 201 is fixedly installed on the side of the bearing side column 2, and the sliding pillar 201 is slidably arranged on the inner side of the positioning support frame 101 and the assembly slide groove 109; the locking opening 202 is opened at one end of the sliding pillar 201; the sliding pillar 201 cooperates with the locking opening 202 to position and lock the bearing side column 2.

[0046] The specific usage and function of this embodiment: When in use, the sliding pillar 201 cooperates with the locking opening 202 to support the bearing side column 2 as a whole for sliding adjustment, so that the bearing side column 2 carries the fan shielding frame 203 and the fan support frame 106 for sealing docking, the bearing sliding column 3 carries the sliding support 302 and the assembly side column 304 for sliding adjustment, and synchronously supports the load-bearing pillar 4 for sliding adjustment, so that the load-bearing pillar 4 supports the shielding support frame 401 for position adjustment, so that the driving shaft block 403 cooperates with the transmission slot 404 and the transmission block 105 for engagement, so that the driving motor 305 drives the fan shielding frame 203 and the closed bearing components inside the fan support frame 106 to rotate, so that the centrifugal fan is driven and transported as a whole.

[0047] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A centrifugal fan that is easy to disassemble, comprising a bearing support column (1), a bearing side column (2), a bearing sliding column (3) and a load-bearing column (4); The side of the supporting pillar (1) is provided with an assembly slot (109), and a fan support frame (106) is fixedly mounted on the top of the supporting pillar (1); the characteristic is that: The bearing side column (2) is arranged on the side of the bearing pillar (1), a fan shielding frame (203) is fixedly arranged on the top of the bearing side column (2), and a locking support block (204) is fixedly arranged on the outside of the fan shielding frame (203); the bearing sliding column (3) is fixedly installed on the side of the bearing pillar (1), a locking support groove (301) is opened through the side of the bearing sliding column (3), a sliding support (302) is provided on the sliding sleeve outside the bearing sliding column (3), and a positioning screw is provided on the side of the sliding support (302). The bolt (303) is fixedly mounted on the side of the sliding support (302); the load-bearing pillar (4) is fixedly mounted on the top of the assembly side pillar (304); a shielding support frame (401) is fixedly mounted on the top of the load-bearing pillar (4); a rotating support frame (402) is fixedly mounted on one end side of the shielding support frame (401); a driving shaft block (403) is rotatably mounted inside the rotating support frame (402); and a transmission slot (404) is provided on the side of the driving shaft block (403).

2. The centrifugal fan that is easy to disassemble according to claim 1, characterized in that: The two sides of the bearing pillar (1) are further provided with: a positioning support frame (101), a locking bolt (102), a bearing support (103), a transmission shaft seat (104) and a transmission block (105); The positioning frame (101) is fixedly mounted on both sides of the bearing pillar (1); the locking bolt (102) is provided at one end of the positioning frame (101); the bearing support (103) is fixedly mounted on the top of the positioning frame (101); the transmission shaft seat (104) is fixedly mounted on the top of the bearing support (103); and the transmission block (105) is fixedly mounted on one end of the rotating shaft inside the transmission shaft seat (104).

3. The centrifugal fan that is easy to disassemble according to claim 2, characterized in that: The side surface of the load-bearing side column (2) is further provided with: a sliding support column (201) and a locking opening (202); The sliding pillar (201) is fixedly mounted on the side of the bearing side pillar (2), and the sliding pillar (201) is slidably arranged inside the positioning support frame (101) and the assembly slide groove (109); the locking opening (202) is opened at one end of the sliding pillar (201).

4. The centrifugal fan that is easy to disassemble according to claim 1, characterized in that: The top of the sliding support (302) is further provided with: a driving motor (305) and a driving gear cylinder (306); The driving motor (305) is fixedly mounted on the top of the sliding support (302); and the driving gear cylinder (306) is fixedly sleeved on the outside of the rotating shaft of the driving motor (305).

5. The centrifugal fan that is easy to disassemble according to claim 1, characterized in that: The side of the fan support frame (106) is further provided with: a positioning support block (107) and a docking bolt (108); A positioning support block (107) is fixedly provided on the outside of the fan support frame (106); and a docking bolt (108) is provided on the inside of the positioning support block (107).

6. The centrifugal fan that is easy to disassemble according to claim 4, characterized in that: The side surface of the driving shaft block (403) is further provided with: a transmission gear cylinder (405) and a transmission toothed belt (406); The transmission gear cylinder (405) is fixedly sleeved on the outside of the driving shaft block (403); and the transmission toothed belt (406) is sleeved on the outsides of the transmission gear cylinder (405) and the driving gear cylinder (306).